CN114641013A - Information transmission method, device, terminal and network side equipment - Google Patents

Abstract

The application discloses an information transmission method, an information transmission device, a terminal and network side equipment, and belongs to the technical field of communication. The method comprises the following steps: a terminal acquires a first Physical Downlink Control Channel (PDCCH), wherein the first PDCCH comprises at least two PDCCH monitoring opportunities, and the first PDCCH is a PDCCH corresponding to a synchronous signal/physical broadcast channel (SSB) signal block; and the terminal acquires Downlink Control Information (DCI) for scheduling the Residual Minimum System Information (RMSI) according to the at least two PDCCH monitoring opportunities. In this embodiment of the application, the first PDCCH corresponding to the SSB, for example, the Type 0PDCCH, includes a plurality of PDCCH monitoring opportunities, and the repeated transmission of the PDCCH can be realized through the plurality of PDCCH monitoring opportunities, for example, the repeated transmission of the Type 0PDCCH is realized, so that the purpose of enhancing the coverage of the Type 0PDCCH can be achieved.

Description

Information transmission method, device, terminal and network side equipment

technical field

The present invention relates to the field of communication technologies, and in particular, to an information transmission method, device, terminal and network side equipment.

Background technique

In the B52.6GHz system, type 2 (pattern 2) and pattern 3 are two possible synchronization signal/physical broadcast channel signal blocks (Synchronization Signal and PBCH block, SSB) and Type 0 physical downlink control channel (Physical downlink control channel) , PDCCH) multiplexing mode, a common point of these two modes is that one SSB is mapped to one Type 0 PDCCH. In the B52.6GHz frequency band, since the propagation loss of the high frequency band is larger than that of the low frequency band, the coverage distance of Type 0 PDCCH in the high frequency band is much worse than that of Long Term Evolution (LTE). On the other hand, based on the PDCCH channel The transmission distance of Type 0 PDCCH in the high frequency band is smaller than that of SSB. Therefore, in pattern 2 and pattern 3, how to implement the coverage enhancement of Type 0 PDCCH is a problem that needs to be considered.

SUMMARY OF THE INVENTION

The embodiments of the present application provide an information transmission method, an apparatus, a terminal, and a network side device, which can solve the problem of how to realize the coverage enhancement of the Type 0 PDCCH.

In a first aspect, an information transmission method is provided, including:

The terminal acquires a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;

The terminal acquires downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.

In a second aspect, an information transmission method is provided, including:

The network side device transmits a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.

In a third aspect, an information transmission device is provided, comprising:

a first acquisition module, used by the terminal to acquire a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;

The second obtaining module is configured to obtain the downlink control information DCI used for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.

In a fourth aspect, an information transmission device is provided, comprising:

The first transmission module is configured to transmit a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.

In a fifth aspect, a terminal is provided, the terminal includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor The steps of implementing the method as described in the first aspect.

In a sixth aspect, a network side device is provided, the network side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.

In a seventh aspect, a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.

In an eighth aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect steps, or steps of implementing the method according to the second aspect.

In the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.

Description of drawings

FIG. 1 shows a structural diagram of a network system to which an embodiment of the present application can be applied;

FIG. 2 shows one of the schematic flowcharts of the information transmission method according to the embodiment of the present application;

FIG. 3 shows one of the schematic diagrams of the SSB and the PDCCH in the embodiment of the present application;

FIG. 4 shows the second schematic diagram of the SSB and the PDCCH in the embodiment of the present application;

FIG. 5 shows the third schematic diagram of the SSB and the PDCCH in the embodiment of the present application;

FIG. 6 shows the fourth schematic diagram of the SSB and the PDCCH in the embodiment of the present application;

FIG. 7 shows the second schematic flowchart of the information transmission method according to the embodiment of the present application;

FIG. 8 shows one of the schematic diagrams of the modules of the information transmission apparatus according to the embodiment of the present application;

FIG. 9 shows a structural block diagram of a communication device according to an embodiment of the present application;

FIG. 10 shows a structural block diagram of a terminal according to an embodiment of the present application;

FIG. 11 shows the second schematic diagram of the modules of the information transmission apparatus according to the embodiment of the present application;

FIG. 12 shows a structural block diagram of a network side device according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of this application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first", "second" distinguish what Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA) , Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. However, the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the following description, these techniques are also applicable to applications other than NR system applications, such as 6th generation (6 ^th Generation, 6G) communication system.

FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE) ), pedestrian terminal (PUE) and other terminal-side devices, and wearable devices include wristbands, earphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmission Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. The base station in the NR system is taken as an example, but the specific type of the base station is not limited.

The information transmission method provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

As shown in FIG. 2 , an embodiment of the present application provides an information transmission method, including:

Step 201: The terminal acquires a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.

In the embodiment of the present application, the above-mentioned first PDCCH may specifically be a Type 0 PDCCH. The Type 0 PDCCH includes a control resource set CORESET #0 and at least two search spaces (Search spaces) #0, and the Search space #0 is the above-mentioned PDCCH listening opportunity. There are three types of multiplexing between CORESET#0 and SSB, pattern 1, pattern 2 and pattern 3. Among them, pattern 1 refers to CORESET#0 and SSB using time division multiplexing, and pattern 2 and pattern 3 refer to CORESET#0 and SSB. SSB adopts the way of frequency division multiplexing. This embodiment of the present application may adopt a frequency division multiplexing manner for CORESET#0 and SSB.

Step 202: The terminal acquires downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.

Here, DCI can be obtained according to at least two PDCCH listening opportunities, and then RMSI can be obtained according to the DCI.

In the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH. For example, the repeated transmission of the Type 0 PDCCH can be realized. To achieve the purpose of enhancing Type 0 PDCCH coverage.

Optionally, the at least two PDCCH listening opportunities correspond to beams of the same SSB.

Here, at least two PDCCH listening opportunities correspond to beams of the same SSB, so that the purpose of enhancing Type 0 PDCCH coverage can be achieved in Type 2 or Type 3 of the B52.6GHz system.

Optionally, the terminal acquiring the first physical downlink control channel PDCCH includes:

Determine the number of at least two PDCCH listening opportunities in at least one of the following ways:

Determine the number of at least two PDCCH listening opportunities by agreement;

determining the number of the at least two PDCCH listening opportunities according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing;

Determine the number of the at least two PDCCH listening opportunities according to the indication of the main system information block MIB; for example, indicate through the indication field of the MIB;

Determine the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the number of the at least two PDCCH listening opportunities, and the first configuration information is the configuration information of the first PDCCH.

It should be noted that, the first PDCCH in the embodiment of the present application specifically refers to a Type 0 PDCCH. The configuration information of the first PDCCH may specifically be a configuration table of CORESET#0 and Search space#0, and according to the configuration table, the number of the above-mentioned at least two PDCCH listening opportunities can be obtained directly or indirectly.

Further optionally, the first configuration information is determined according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, including:

The first configuration information is determined according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing.

Optionally, the terminal acquiring the first physical downlink control channel PDCCH includes:

The starting positions of at least two PDCCH listening opportunities are determined in at least one of the following ways:

Determine the starting positions of at least two PDCCH listening opportunities through agreement;

Determine first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration The information is configuration information of the first PDCCH.

Optionally, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.

Here, the RMSI scheduled by the DCI carried on each PDCCH listening opportunity is the same, and demodulation through multiple DCIs together can provide demodulation accuracy.

The RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.

Here, the RMSIs scheduled by the DCI carried on each of the PDCCH listening opportunities are different, and the DCIs on the at least two PDCCH listening opportunities need to be demodulated together to obtain all the RMSI information.

Further optionally, in the case that the RMSI scheduled by the DCI carried on each of the PDCCH listening opportunities is the same:

The locations of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;

Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;

The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.

In the embodiment of the present application, in the case where the RMSI scheduled by the DCI carried on each PDCCH listening opportunity is the same, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different, and the different The other resources indicated by the DCI carried on the PDCCH listening opportunity are the same. Alternatively, the first DCI carries all the information required for scheduling RMSI, each second DCI only carries the indication information of time domain resources required for scheduling RMSI, and by default other indication fields of each second DCI are the same as the first DCI same.

The information transmission method of the present application will be described below with reference to specific embodiments.

Embodiment 1: For the case of type 2, and the PDCCH subcarrier spacing is 4 times the SSB subcarrier spacing.

The number of at least two PDCCH monitoring occasions (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring occasion are indirectly indicated by Table 1.

Table 1

Among them, n _C represents the time slot where the PDCCH listening opportunity is located, n _SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB, SFN _C represents the system frame number of the PDCCH listening opportunity, SFN _{SSB, i} represents the system frame number of the i-th SSB.

0, 1, . Any value in (14 symbols); 0, 1, . The position is any value in 1 slot (12 symbols).

The time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot-1 in the PDCCH time slot corresponding to the ith SSB, the ith time slot The first time slot-2 in the PDCCH time slot corresponding to the SSB, the first time slot-3 in the PDCCH time slot corresponding to the ith SSB, the first time slot in the PDCCH time slot corresponding to the ith SSB at least one of the slots-4. "And/or" in Table 1 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.

For example, SSB0 corresponds to two PDCCH slots, namely PDCCH slot2 and PDCCH slot3; the first slot in the PDCCH slot corresponding to SSB0 is PDCCH slot2, and the second slot in the PDCCH slot corresponding to SSB0 is PDCCH slot3.

As shown in FIG. 3 , there may be multiple PDCCHs (two in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot. For example: SSB0 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 2, and the second PDCCH schedules the data in slot 3; SSB 1 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 3, The second PDCCH schedules the data in slot 4; SSB 2 corresponds to two PDCCHs, the first PDCCH schedules the data in slot 5, and the second PDCCH schedules the data in slot 6; SSB 3 corresponds to two PDCCHs, the first The PDCCH schedules the corresponding data in slot 6, and the second PDCCH schedules the data in slot 7.

Embodiment 2: For the case of type 2, and the PDCCH subcarrier spacing is 8 times the SSB subcarrier spacing.

The number of at least two PDCCH monitoring occasions (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring occasion are indirectly indicated by Table 2.

Table 2

Among them, n _C represents the time slot where the PDCCH listening opportunity is located, n _SSB ^{, i} represents the first time slot in the PDCCH time slot corresponding to the ith SSB, SFN _C represents the system frame number of the PDCCH listening opportunity, SFN _{SSB, i} represents the system frame number of the i-th SSB.

0, 1, . Any value in (14 symbols); 0, 1, . The position is any value in 1 slot (12 symbols).

The time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot-1 in the PDCCH time slot corresponding to the ith SSB, the ith time slot The first time slot-2 in the PDCCH time slot corresponding to the SSB, the first time slot-3 in the PDCCH time slot corresponding to the ith SSB, the ith time slot in the PDCCH time slot corresponding to the ith SSB At least one location in a slot-4. "And/or" in Table 2 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.

Specifically, as shown in FIG. 4 , there are three PDCCHs corresponding to SSB0, three PDCCHs corresponding to SSB1, two PDCCHs corresponding to SSB2, and two PDCCHs corresponding to SSB3, and multiple PDCCHs corresponding to SSBs can be found in The same slot can also be in different slots. The data scheduled by each PDCCH is located in a different slot. For example: SSB 0 corresponds to three PDCCHs, the first PDCCH schedules data in slot 3, the second PDCCH schedules data in slot 4, and the third PDCCH schedules data in slot 5; SSB 1 corresponds to three PDCCHs, The first PDCCH schedules the data in slot 5, the second PDCCH schedules the data in slot 6, and the third PDCCH schedules the data in slot 7; SSB 2 corresponds to two PDCCHs, and the first PDCCH schedules slot 10. , the data in the second PDCCH scheduling slot 11; SSB 3 corresponds to two PDCCHs, the first PDCCH scheduling the corresponding data in slot 12, and the second PDCCH scheduling the data in slot 13.

Embodiment 3: For the case of type 3, and the PDCCH subcarrier spacing is 4 times the SSB subcarrier spacing.

The number of at least two PDCCH monitoring occasions (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring occasion are indirectly indicated by Table 3.

table 3

Among them, n _C represents the time slot where the PDCCH listening opportunity is located, n _SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB, SFN _C represents the system frame number of the PDCCH listening opportunity, SFN _{SSB, i} represents the system frame number of the i-th SSB.

0, 1, . Any value in (14 symbols); 0, 1, . The position is any value in 1 slot (12 symbols).

The time slot where the PDCCH listening opportunity is located may be at least one of the first time slot in the PDCCH time slot corresponding to the ith SSB and the first time slot+1 in the PDCCH time slot corresponding to the ith SSB Location. "And/or" in Table 3 indicates that the PDCCH listening opportunities may be in the same time slot or in different time slots.

As shown in FIG. 5 , there may be multiple PDCCHs (two in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot. For example: SSB0 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 2, and the second PDCCH schedules the data in slot 3; SSB 1 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 3, The second PDCCH schedules the data in slot 4; SSB 2 corresponds to two PDCCHs, the first PDCCH schedules the data in slot 5, and the second PDCCH schedules the data in slot 6; SSB 3 corresponds to two PDCCHs, the first The PDCCH schedules the corresponding data in slot 6, and the second PDCCH schedules the data in slot 7.

Embodiment 4: For the case of type 3, and the PDCCH subcarrier spacing is 8 times the SSB subcarrier spacing.

The number of at least two PDCCH monitoring occasions (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring occasion are indirectly indicated by Table 4.

Table 4

Among them, n _C represents the time slot where the PDCCH listening opportunity is located, n _SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB, SFN _C represents the system frame number of the PDCCH listening opportunity, SFN _{SSB, i} represents the system frame number of the i-th SSB.

0, 1, . Any value in (14 symbols); 0, 1, . The position is any value in 1 slot (12 symbols).

The time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot+1 in the PDCCH time slot corresponding to the ith SSB, and the ith time slot At least one position in the first time slot+2 in the PDCCH time slot corresponding to the SSB. "And/or" in Table 4 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.

As shown in FIG. 6 , there may be multiple PDCCHs (three in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot. For example: SSB0 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 3, the second PDCCH schedules the data in slot 4, and the third PDCCH schedules the data in slot 5; SSB 1 corresponds to three PDCCHs, the first The data corresponding to the first PDCCH scheduling slot 5, the second PDCCH scheduling the data in slot 6, the third PDCCH scheduling the data in slot 7; SSB 2 corresponds to three PDCCHs, the first PDCCH scheduling the corresponding data in slot 10 , the data in the second PDCCH scheduling slot 11, and the data in the third PDCCH scheduling slot 12; SSB 3 corresponds to three PDCCHs, the first PDCCH schedules the data in slot 12, and the second PDCCH schedules the data in slot 13 , the data in the third PDCCH scheduling slot 14.

In this embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH. For example, the repeated transmission of the Type 0 PDCCH can be realized. To achieve the purpose of enhancing Type 0 PDCCH coverage.

As shown in FIG. 7 , an embodiment of the present application also provides an information transmission method, including:

Step 701: The network side device transmits a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.

In the embodiment of the present application, the above-mentioned first PDCCH may specifically be a Type 0 PDCCH. The Type 0 PDCCH includes a control resource set CORESET #0 and at least two search spaces (Search space) #0, and the Search space #0 is the above-mentioned PDCCH listening opportunity. There are three types of multiplexing between CORESET#0 and SSB, pattern 1, pattern 2 and pattern 3. Among them, pattern 1 refers to CORESET#0 and SSB using time division multiplexing, and pattern 2 and pattern 3 refer to CORESET#0 and SSB. SSB adopts the way of frequency division multiplexing. In this embodiment of the present application, a frequency division multiplexing manner may be adopted for CORESET#0 and SSB.

In the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH. For example, the repeated transmission of the Type 0 PDCCH can be realized. To achieve the purpose of enhancing Type 0 PDCCH coverage.

Optionally, the at least two PDCCH listening opportunities correspond to beams of the same SSB.

Here, at least two PDCCH listening opportunities correspond to beams of the same SSB, so that the purpose of enhancing Type 0 PDCCH coverage can be achieved in Type 2 or Type 3 of the B52.6GHz system.

Optionally, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.

Optionally, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.

Optionally, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;

Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;

The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.

In the embodiment of the present application, in the case where the RMSI scheduled by the DCI carried on each PDCCH listening opportunity is the same, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different, and the different The other resources indicated by the DCI carried on the PDCCH listening opportunity are the same. Alternatively, the first DCI carries all the information required for scheduling RMSI, each second DCI only carries the indication information of time domain resources required for scheduling RMSI, and by default other indication fields of each second DCI are the same as the first DCI same.

In this embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH. For example, the repeated transmission of the Type 0 PDCCH can be realized. To achieve the purpose of enhancing Type 0 PDCCH coverage.

It should be noted that, in the information transmission method provided by the embodiments of the present application, the execution body may be an information transmission apparatus, or a control module in the information transmission apparatus for executing the information transmission method. In the embodiment of the present application, the information transmission device provided by the embodiment of the present application is described by taking the information transmission method performed by the information transmission device as an example.

As shown in FIG. 8 , an embodiment of the present application provides an information transmission apparatus 800, which is applied to a terminal and includes:

The first obtaining module 801 is used for a terminal to obtain a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;

The second obtaining module 802 is configured to obtain downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.

In the information transmission apparatus according to the embodiment of the present application, the at least two PDCCH listening opportunities correspond to a beam of the same SSB.

In the information transmission apparatus according to the embodiment of the present application, the first obtaining module is configured to determine the number of at least two PDCCH listening opportunities in at least one of the following ways:

Determine the number of at least two PDCCH listening opportunities by agreement;

determining the number of the at least two PDCCH listening opportunities according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing;

determining the number of the at least two PDCCH listening opportunities according to the indication of the main system information block MIB;

Determine the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the number of the at least two PDCCH listening opportunities, and the first configuration information is the configuration information of the first PDCCH.

In the information transmission apparatus according to the embodiment of the present application, the first obtaining module is configured to determine the first configuration information according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing.

In the information transmission apparatus according to the embodiment of the present application, the first obtaining module is configured to determine the starting positions of at least two PDCCH listening opportunities in at least one of the following ways:

Determine the starting positions of at least two PDCCH listening opportunities by agreement;

Determine first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration The information is configuration information of the first PDCCH.

In the information transmission apparatus according to the embodiment of the present application, the RMSI scheduled by the DCI carried on each of the PDCCH listening opportunities is the same.

In the information transmission apparatus according to the embodiment of the present application, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.

In the information transmission apparatus according to the embodiment of the present application, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;

Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;

The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.

In the information transmission apparatus of the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, Further, the purpose of enhancing Type 0 PDCCH coverage can be achieved.

The information processing apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television (television). , TV), teller machine or self-service machine, etc., which are not specifically limited in the embodiments of the present application.

The information transmission device in the embodiment of the present application may be a device with an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.

The information transmission apparatus provided in the embodiments of the present application can implement each process implemented by the method embodiments in FIGS. 2 to 6 , and achieve the same technical effect. To avoid repetition, details are not described here.

Optionally, as shown in FIG. 9 , an embodiment of the present application further provides a communication device 900, including a processor 901, a memory 902, a program or instruction stored in the memory 902 and executable on the processor 901, For example, when the communication device 900 is a terminal, when the program or instruction is executed by the processor 901, each process of the above-mentioned embodiments of the information transmission method applied to the terminal can be achieved, and the same technical effect can be achieved. When the communication device 900 is a network-side device, when the program or instruction is executed by the processor 901, each process of the above-mentioned embodiment of the information transmission method applied to the network-side device can be achieved, and the same technical effect can be achieved. To avoid repetition, here No longer.

10 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application. The terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user Input unit 1007, interface unit 1008, memory 1009, processor 1010 and other components.

Those skilled in the art can understand that the terminal 1000 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions. The terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in this embodiment of the present application, the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. camera) to process the image data of still pictures or videos. The display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072 . The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

In the embodiment of the present application, the radio frequency unit 1001 receives the downlink data from the network side device, and then processes it to the processor 1010; in addition, sends the uplink data to the network side device. Generally, the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

Memory 1009 may be used to store software programs or instructions as well as various data. The memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

The processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.

The processor 1010 is configured to acquire a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB; according to the At least two PDCCH listening opportunities are used to obtain downlink control information DCI used for scheduling the remaining minimum system information RMSI.

In the terminal of the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.

Optionally, the at least two PDCCH listening opportunities correspond to beams of the same SSB.

Optionally, the processor 1010 is further configured to determine the number of at least two PDCCH listening opportunities in at least one of the following manners:

Determine the number of at least two PDCCH listening opportunities by agreement;

determining the number of the at least two PDCCH listening opportunities according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing;

Determine the number of the at least two PDCCH listening opportunities according to the indication of the main system information block MIB;

Determine the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the number of the at least two PDCCH listening opportunities, and the first configuration information is the configuration information of the first PDCCH.

Optionally, the processor 1010 is further configured to determine the first configuration information according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing.

Optionally, the processor 1010 is further configured to determine the starting positions of the at least two PDCCH listening opportunities in at least one of the following manners:

Determine the starting positions of at least two PDCCH listening opportunities through agreement;

Determine first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration The information is configuration information of the first PDCCH.

Optionally, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.

Optionally, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.

Optionally, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;

Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;

The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.

In the terminal of the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.

As shown in FIG. 11 , an embodiment of the present application further provides an information transmission apparatus 1100, including:

The first transmission module 1101 is configured to transmit a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.

In the information transmission apparatus according to the embodiment of the present application, the at least two PDCCH listening opportunities correspond to the beams of the same SSB.

In the information transmission apparatus according to the embodiment of the present application, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.

In the information transmission apparatus according to the embodiment of the present application, the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.

In the information transmission apparatus according to the embodiment of the present application, the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;

Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;

The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.

In the information transmission apparatus of the embodiment of the present application, the first PDCCH corresponding to the SSB, such as the Type 0 PDCCH, includes multiple PDCCH listening opportunities, and the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, Further, the purpose of enhancing Type 0 PDCCH coverage can be achieved.

Specifically, an embodiment of the present application further provides a network side device. As shown in FIG. 12 , the network device 1200 includes: an antenna 1201 , a radio frequency device 1202 , and a baseband device 1203 . The antenna 1201 is connected to the radio frequency device 1202 . In the uplink direction, the radio frequency device 1202 receives information through the antenna 1201, and sends the received information to the baseband device 1203 for processing. In the downlink direction, the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202 , and the radio frequency device 1202 processes the received information and sends it out through the antenna 1201 .

The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1203 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1203 . The baseband apparatus 1203 includes a processor 1204 and a memory 1205 .

The baseband device 1203 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 12 , one of the chips is, for example, the processor 1204 , which is connected to the memory 1205 to call the program in the memory 1205 to execute The network-side device shown in the above method embodiments operates.

The baseband device 1203 may further include a network interface 1206 for exchanging information with the radio frequency device 1202, and the interface is, for example, a common public radio interface (CPRI for short).

Specifically, the network-side device in this embodiment of the present invention further includes: instructions or programs that are stored in the memory 1205 and run on the processor 1204, and the processor 1204 invokes the instructions or programs in the memory 1205 to execute the modules shown in FIG. 11 . The implementation method and achieve the same technical effect, in order to avoid repetition, it is not repeated here.

Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing information transmission method embodiment can be achieved, and the same can be achieved. In order to avoid repetition, the technical effect will not be repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above-mentioned method for transmitting multicast services Each process of the embodiment can achieve the same technical effect, and to avoid repetition, it will not be repeated here.

It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (29)

1. an information transmission method, is characterized in that, comprises: The terminal acquires a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB; The terminal acquires downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities. 2 . The information transmission method according to claim 1 , wherein the at least two PDCCH listening opportunities correspond to beams of the same SSB. 3 . 3. The information transmission method according to claim 1, wherein the terminal acquiring the first physical downlink control channel PDCCH comprises: Determine the number of at least two PDCCH listening opportunities in at least one of the following ways: Determine the number of at least two PDCCH listening opportunities by agreement; determining the number of the at least two PDCCH listening opportunities according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing; Determine the number of the at least two PDCCH listening opportunities according to the indication of the main system information block MIB; Determine the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the number of the at least two PDCCH listening opportunities, and the first configuration information is the configuration information of the first PDCCH. 4. The information transmission method according to claim 3, wherein determining the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, comprising: The first configuration information is determined according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing. 5. The information transmission method according to claim 1, wherein the terminal acquiring the first physical downlink control channel (PDCCH) comprises: The starting positions of at least two PDCCH listening opportunities are determined in at least one of the following ways: Determine the starting positions of at least two PDCCH listening opportunities through agreement; Determine first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration The information is configuration information of the first PDCCH. 6 . The information transmission method according to claim 1 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same. 7 . 7 . The information transmission method according to claim 1 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different. 8 . 8. The information transmission method according to claim 6, wherein, The locations of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different; Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI; The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI. 9. An information transmission method, characterized in that, comprising: The network side device transmits a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB. 10 . The information transmission method according to claim 9 , wherein the at least two PDCCH listening opportunities correspond to a beam of the same SSB. 11 . 11 . The information transmission method according to claim 9 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same. 12 . 12 . The information transmission method according to claim 9 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different. 13 . 13. The information transmission method according to claim 9, wherein, The locations of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different; Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI; The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI. 14. An information transmission device, comprising: a first acquisition module, used by the terminal to acquire a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB; The second obtaining module is configured to obtain the downlink control information DCI used for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities. 15. The information transmission apparatus according to claim 14, wherein the at least two PDCCH listening opportunities correspond to a beam of the same SSB. 16. The information transmission apparatus according to claim 14, wherein the first obtaining module is configured to determine the number of at least two PDCCH listening opportunities by at least one of the following methods: Determine the number of at least two PDCCH listening opportunities by agreement; determining the number of the at least two PDCCH listening opportunities according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing; determining the number of the at least two PDCCH listening opportunities according to the indication of the main system information block MIB; Determine the first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the number of the at least two PDCCH listening opportunities, and the first configuration information is the configuration information of the first PDCCH. 17 . The information transmission apparatus according to claim 16 , wherein the first obtaining module is configured to determine the first configuration information according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing. 18 . 18. The information transmission apparatus according to claim 14, wherein the first obtaining module is configured to determine starting positions of at least two PDCCH listening opportunities by at least one of the following methods: Determine the starting positions of at least two PDCCH listening opportunities by agreement; Determine first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration The information is configuration information of the first PDCCH. 19 . The information transmission apparatus according to claim 14 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same. 20 . 20 . The information transmission apparatus according to claim 14 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different. 21 . 21. The information transmission device according to claim 19, characterized in that: The positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different; Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI; The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI. 22. An information transmission device, comprising: The first transmission module is configured to transmit a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB. 23. The information transmission apparatus according to claim 22, wherein the at least two PDCCH listening opportunities correspond to a beam of the same SSB. 24 . The information transmission apparatus according to claim 22 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same. 25 . 25 . The information transmission apparatus according to claim 22 , wherein the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different. 26 . 26. The information transmission device according to claim 22, wherein, The positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different; Or, the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI; The first DCI is one of the DCIs carried on the at least two listening opportunities, and the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI. 27. A terminal, characterized in that it comprises a processor, a memory, and a program or instruction stored on the memory and running on the processor, and when the program or instruction is executed by the processor, Steps of the information transmission method according to any one of claims 1 to 8. 28. A network-side device, characterized in that it comprises a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor, and when the program or instruction is executed by the processor Steps for implementing the information transmission method as claimed in any one of claims 9 to 13. 29. A readable storage medium on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the steps of the information transmission method according to any one of claims 1 to 8 are realized, Alternatively, the steps of the information transmission method as claimed in any one of claims 9 to 13 are implemented.

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