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WO2018177179A1 - Procédé d'envoi de message de radiomessagerie, procédé de réception de message de radiomessagerie, station de base et terminal - Google Patents

Procédé d'envoi de message de radiomessagerie, procédé de réception de message de radiomessagerie, station de base et terminal Download PDF

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Publication number
WO2018177179A1
WO2018177179A1 PCT/CN2018/079829 CN2018079829W WO2018177179A1 WO 2018177179 A1 WO2018177179 A1 WO 2018177179A1 CN 2018079829 W CN2018079829 W CN 2018079829W WO 2018177179 A1 WO2018177179 A1 WO 2018177179A1
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WIPO (PCT)
Prior art keywords
paging message
message
receiving
indication information
transmitting
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PCT/CN2018/079829
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English (en)
Chinese (zh)
Inventor
王飞
吴丹
童辉
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2018177179A1 publication Critical patent/WO2018177179A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel

Definitions

  • the embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a method, a receiving method, a base station, and a terminal for sending a paging message.
  • the 5G high frequency band needs to use a large-scale antenna to counter the path loss problem.
  • the analog digital hybrid beamforming architecture is the most likely architecture for 5G high-frequency large-scale antennas (combined from cost, complexity, performance, etc.). However, since analog beamforming can only change the beam direction in the time domain and is a full bandwidth behavior, analog digital hybrid beamforming will have a greater impact on 5G system design. One of the effects is paging. )The way.
  • the beam of the base station is relatively narrow, and the analog beam can only be adjusted in time. If the paging message is still sent in a similar manner to that in LTE, since the base station does not know the location of the paged user, the paging message can only be transmitted on all possible beams by means of beam scanning. This means that even if it is only for paging a certain UE, the base station needs to use different beams to send the same paging message in multiple subframes in sequence, which makes one paging (one PO) need to occupy multiple subframes, resulting in The time that the UE needs to monitor becomes longer and the power consumption increases.
  • the base station needs to page different users at different times.
  • Each paging user needs to use beam scanning to consume multiple subframes to send paging messages.
  • the analog beams that can be used in these subframes are limited, which also reduces the flexibility of base station scheduling.
  • the technical problem to be solved by the embodiments of the present disclosure is to provide a method for sending a paging message, a receiving method, a base station, and a terminal. Since multiple terminals use the same identifier to listen to paging messages in the same subframe, the base station does not have to The terminal sends the same paging message through multiple beams in sequence on multiple subframes, which saves the subframe resources, and indicates the resources occupied by the paging message when the paging message is sent by the indication information, thereby improving the paging efficiency.
  • an embodiment of the present disclosure provides a method for sending a paging message, including:
  • At least one paging message is sent to at least one terminal configured to have the same identity.
  • the resources used when sending the paging message include: a beam used to send the paging message and an orthogonal frequency division multiplexing OFDM symbol resource occupied by the paging message;
  • the step of transmitting at least one paging message to at least one terminal configured to have the same identity includes:
  • a paging message is transmitted through one beam.
  • paging messages corresponding to different beams are occupied by OFDM symbol resources in a time division multiplexing or frequency division multiplexing manner.
  • one paging message occupies at least one OFDM symbol resource of the PDSCH; or one paging message occupies part or all of the bandwidth on the PDSCH.
  • the method for sending a paging message further includes:
  • the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and second indication information of a bandwidth occupied by the user data on the PDSCH;
  • an embodiment of the present disclosure further provides a method for receiving a paging message, including:
  • the resources used when receiving the paging message include: a beam used to receive the paging message and an orthogonal frequency division multiplexing OFDM symbol resource occupied by the paging message.
  • the step of receiving the at least one paging message sent by the base station by using the resource includes:
  • the method for receiving a paging message further includes:
  • the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and second indication information of a bandwidth occupied by the user data on the PDSCH;
  • an embodiment of the present disclosure further provides a base station, including:
  • a first sending module configured to send at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when sending the paging message;
  • a second sending module configured to send, by using the resource, at least one paging message to at least one terminal configured to have the same identifier.
  • the resources used when sending the paging message include: a beam used to send the paging message and an orthogonal frequency division multiplexing OFDM symbol resource occupied by the paging message.
  • the second sending module is specifically configured to: use, by using the beam indicated by the first indication information, on an OFDM symbol resource occupied by a paging message indicated by the first indication information, At least one paging message is sent to at least one terminal configured to have the same identity.
  • the first sending module is further configured to send at least one second physical downlink control channel PDCCH message, where the second PDCCH message carries a symbol resource that indicates a PDSCH that sends user data, and a second indication of the bandwidth occupied by the user data on the PDSCH;
  • the second sending module is further configured to send the user data to at least one of the terminals configured to have the same identifier according to the second indication information.
  • an embodiment of the present disclosure further provides a terminal, including:
  • a first receiving module configured to receive at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when receiving the paging message;
  • the second receiving module is configured to receive, by using the resource, at least one paging message sent by the base station.
  • the resources used when receiving the paging message include:
  • the beam used to receive the paging message and the orthogonal frequency division multiplexing OFDM symbol resources occupied by the paging message is the beam used to receive the paging message and the orthogonal frequency division multiplexing OFDM symbol resources occupied by the paging message.
  • the second receiving module is specifically configured to: use, by using the beam indicated by the first indication information, on an OFDM symbol resource occupied by a paging message indicated by the first indication information, Receiving at least one paging message sent by the base station.
  • the first receiving module is further configured to receive at least one second physical downlink control channel PDCCH message, where the second PDCCH message carries a symbol resource that indicates a PDSCH that sends user data, and Second indication information of the bandwidth occupied by the user data on the PDSCH;
  • the second receiving module is configured to receive the user data sent by the base station according to the second indication information.
  • an embodiment of the present disclosure further provides a network side device, including: a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program The steps in the method of transmitting a paging message as described in the first aspect when executed by the processor.
  • an embodiment of the present disclosure further provides a terminal side device, including: a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program The steps in the method of receiving a paging message as described in the second aspect when executed by the processor.
  • embodiments of the present disclosure further provide a computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor to implement the first aspect The steps in the method of transmitting the paging message described.
  • an embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor to implement a second aspect The steps in the method of receiving a paging message as described.
  • the at least one first physical downlink control channel PDCCH message is sent, in particular, when the paging message is sent, at least one first physical downlink control channel PDCCH message is sent in the subframe in which the paging message is sent.
  • the first PDCCH message carries first indication information indicating a resource used when transmitting the paging message; and the at least one paging message is sent to at least one terminal configured to have the same identifier by using the resource.
  • the subframe using the resource to send at least one paging message to at least one terminal configured to have the same identifier; so that the base station does not have to be in multiple sub-ports for one terminal
  • the same paging message is sent through multiple beams in sequence, which saves the subframe resources, and indicates the resources occupied by the paging message when the paging message is sent by the indication information, thereby improving the paging efficiency.
  • FIG. 1 is a flowchart of a method for transmitting a paging message according to a first embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a first application example of the present disclosure
  • FIG. 3 is a schematic diagram of a second application example of the present disclosure.
  • FIG. 4 is a schematic diagram of a third application example of the present disclosure.
  • FIG. 5 is a flowchart of a method for sending a paging message according to a second embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a fourth application example of the present disclosure.
  • FIG. 7 is a flowchart of a method for receiving a paging message according to a third embodiment of the present disclosure.
  • Figure 8 is a block diagram of a base station of a fourth embodiment of the present disclosure.
  • FIG. 9 is a block diagram of a terminal of a fifth embodiment of the present disclosure.
  • the role of the paging message includes transmitting a call request to the user equipment UE in the RRC_IDLE state, and notifying the UE system information in the RRC_IDLE and RRC_CONNECTED states. Change and so on.
  • PCH Paging Channel
  • PCCH Paging Control Channel
  • the PCH transport channel is directly mapped to the PDSCH (Physical Downlink Shared Channel) physical channel, and the DL-SCH (downlink sharing) Channel) data participates in downlink scheduling.
  • PDSCH Physical Downlink Shared Channel
  • DL-SCH downlink sharing
  • the UE in the RRC_IDLE state will listen to the PDCCH scrambled using the P-RNTI (Paging Identity).
  • Paging supports discontinuous reception (DRX), so that the UE in the RRC_IDLE state "wakes up” to receive the paging message only for a predefined period of time, and can maintain the "sleep" state at other times, thus being able to reduce Power consumption increases the battery life of the UE.
  • the frequency domain resource occupied by the paging message is specified by the PDCCH (Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel
  • the UE will only attempt to receive paging messages in a specific subframe (referred to as PO) of a specific frame (referred to as PF) in its paging cycle.
  • the UE When DRX (Discontinuous Reception) is used, the UE only needs to detect 1 PO per DRX cycle (discontinuous reception period). That is, corresponding to each UE, only 1 subframe can be used to transmit a paging message in each paging cycle.
  • DRX Continuous Reception
  • a PF is a radio frame that may contain one or more POs.
  • One PF may include one or more POs according to the configuration, and which UE is specifically detected on which PO depends on the UE_ID.
  • the UE If the UE detects a PDCCH scrambled using the P-RNTI on the PO, the UE reads the PDSCH, which contains the flag ue-Identity of the paged UE.
  • the UE finds that its UE flag is consistent with a certain ue-Identity, it sends the ue-Identity and related information to the upper layer to continue processing.
  • the UE discards the received paging message and goes to sleep.
  • paging messages may be sent on the POs of all UEs.
  • the beam of the base station is relatively narrow, and the analog beam can only be adjusted in time. If the paging message is still sent in a similar manner to that in LTE, since the base station does not know the location of the paged user, the paging message can only be transmitted on all possible beams by means of beam scanning. This means that even if it is only for paging a certain UE, the base station needs to use different beams to send the same paging message in multiple subframes in sequence, which makes one paging (one PO) need to occupy multiple subframes, resulting in The time that the UE needs to monitor becomes longer and the power consumption increases.
  • the base station needs to page different users at different times.
  • Each paging user needs to use beam scanning to consume multiple subframes to send paging messages.
  • the analog beams that can be used in these subframes are limited, which also reduces the flexibility of base station scheduling.
  • an embodiment of the present disclosure provides a method for sending a paging message, including:
  • Step 11 Send at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when sending a paging message; optionally, a child that sends a paging message Transmitting, by the frame, at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when sending the paging message;
  • Step 12 Send, by using the resource, at least one paging message to at least one terminal configured to have the same identifier; optionally, in the subframe, according to the first indication information, configured to have At least one terminal of the same identity transmits at least one paging message.
  • the method for sending a paging message in this embodiment is applicable to a 5G system in which a paging moment in a paging cycle of a certain UE (such as a paging frame) and a paging Occasion (paging opportunity) is determined in the system.
  • the UE_ID (terminal identifier) used at the time may be configured by the network side (for example, by means of system messages, etc.), and the network side may be configured such that two or more users use the same UE_ID, so that the terminals of the same UE_ID can be Listening to paging messages at the same time (such as paging frames or paging moments), so that from the perspective of the base station, less time resources can be allocated for potential paging message transmission, reducing scheduling flexibility for the base station. limits.
  • the method may include: sending, in a subframe in which the paging message is sent, at least one first PDCCH message scrambled by the paging identifier P-RNTI.
  • a time scheduling unit such as a subframe, or a time slot, or a mini-slot
  • the following method may be adopted, assuming that the subframe at this moment is divided into a PDCCH region and a PDSCH region. :
  • the base station transmits N1 PDCCHs scrambled by the P-RNTI, each PDCCH corresponding to a beam of the base station (which may correspond to coverage of one or more beams) indicating one or more pagings
  • the message (each paging message sent by a base station beam) occupies resources in the PDSCH region; where N1 is a positive integer.
  • the resources used when sending the paging message include: a beam used to send the paging message and an OFDM (Orthogonal Frequency Division Multiplexing) symbol resource occupied by the paging message;
  • the symbol resource occupied by the message may be a symbol resource occupied by the paging message on the PDSCH (Physical Downlink Shared Channel), and the resource occupied by the paging message on the PDSCH may include: a symbol resource occupied by the paging message on the PDSCH and a bandwidth resource.
  • the step 12 in the foregoing embodiment may include: using the beam indicated by the first indication information, on the OFDM resource occupied by the paging message indicated by the first indication information, to be configured to have the same identifier At least one terminal transmits at least one paging message.
  • the paging message indicated by the first indication information is configured on the OFDM resource occupied by the PDSCH to be configured as At least one terminal having the same identity transmits at least one paging message.
  • the base station sends N2 paging messages, and each paging message is sent by a certain beam; where N2 is a positive integer.
  • one paging message is sent through one beam.
  • the paging messages corresponding to different beams occupy the OFDM symbol resources by means of time division multiplexing or frequency division utilization.
  • the paging message corresponding to different beams occupies the PDSCH by means of time division multiplexing or frequency division utilization.
  • a paging message occupies at least one OFDM symbol resource of the PDSCH or a paging message occupies part of the bandwidth or the entire bandwidth on the PDSCH.
  • Different paging messages occupy the same bandwidth on the PDSCH or different paging messages occupy different bandwidths on the PDSCH.
  • the allocation of the resources occupied by the paging message does not occupy all the symbols of the PDSCH area, and one paging message can occupy only one or more symbols of the PDSCH area, and multiple paging messages corresponding to different beams pass.
  • the TDM (Time Division Multiplexing) mode occupies the PDSCH area.
  • a paging message can occupy the entire bandwidth or occupy only part of the bandwidth.
  • the number of PDCCHs N1 and the number of paging messages N2 may be one-to-one or one-to-many relationship, that is, one PDCCH may indicate information such as resource occupation, used beams, and the like of one or more paging messages.
  • the first PDCCH message may also be transmitted through a beam of the base station, and the beam may also be a beam specified by the first PDCCH message, and the beam may be the same beam used when transmitting the paging message.
  • Beam For example, PDCCH1 specifies beam 1 for transmitting paging message 1, and PDCCH1 can also be transmitted with beam 1.
  • PDCCH2 specifies to transmit beam 2 of paging message 2, which may also be transmitted using beam 2.
  • the PDCCH1 specifies the beam 2 used in the paging message 1 and the beam 2 used in the paging message 2
  • the PDCCH 1 may be transmitted by using the beam 1 or by using the beam 2.
  • there may be other manners for transmitting the PDCCH and is not limited to the manners listed above.
  • the base station needs to scan on three beams to cover the entire cell, and the base station needs to send paging messages to the two UEs at the moment, and the two UEs may have the same UE ID, of course, the two UEs. It is also possible to have different UE IDs.
  • the base station transmits three PDCCHs (PDCCH1, PDCCH2, and PDCCH3) scrambled by the P-RNTI, and respectively indicate information such as resources occupied by the three paging messages and beams used.
  • PDCCH1 indicates information such as a symbol resource occupied by paging message 1, a used beam, and the like.
  • PDCCH2 indicates information such as a symbol resource occupied by the paging message 2, a used beam, and the like.
  • the PDCCH 3 indicates information such as a symbol resource occupied by the paging message 3, a used beam, and the like.
  • the base station In the PDSCH area, the base station sends three paging messages, which respectively correspond to different beams. Each paging message occupies 1 symbol and occupies the full bandwidth of the PDSCH.
  • the base station needs to scan on three beams to cover the entire cell, and the base station needs to send paging messages to the two UEs at the moment, and the two UEs may have the same UE ID, of course, the two UEs. It is also possible to have different UE IDs.
  • the base station transmits two PDCCHs scrambled by the P-RNTI, where one PDCCH indicates information such as resources occupied by two paging messages (Paging Message 1 and Paging Message 2), used beams, and the like.
  • Another PDCCH indicates information such as resources occupied by one paging message, beams used, and the like.
  • the base station In the PDSCH area, the base station sends three paging messages, which respectively correspond to different beams. Each paging message occupies 1 symbol and occupies the full bandwidth of the PDSCH.
  • the base station needs to scan on three beams to cover the entire cell, and the base station needs to send paging messages to the two UEs at the moment, and the two UEs may have the same UE ID.
  • the eNB transmits three PDCCHs scrambled by the P-RNTI, and indicates information such as resources occupied by the three paging messages and beams used.
  • the base station In the PDSCH area, the base station sends three paging messages, which respectively correspond to different beams. Each paging message occupies 1 symbol, but 3 paging messages can occupy different bandwidths of the PDSCH.
  • an embodiment of the present disclosure further provides a method for sending a paging message, including:
  • Step 51 Send at least one first physical downlink control channel PDCCH message and a second physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when sending a paging message;
  • the second PDCCH message carries a second indication information indicating a symbol resource of the PDSCH transmitting the user data and a bandwidth occupied by the user data on the PDSCH;
  • Step 52 Send, according to the first indication information, at least one paging message to at least one terminal configured to have the same identifier, and according to the second indication information, to at least one of the configured to have the same identifier.
  • the terminal transmits the user data.
  • the PDSCH area that is not occupied by the paging message may be used to transmit the PDSCH of the normal user data, but the time-frequency resource occupied by the PDSCH needs to be indicated in the corresponding PDCCH, and the PDSCH is compared with the normal subframe.
  • the symbol resource that needs to indicate that the PDSCH is occupied is not all symbol resources of the PDSCH region.
  • the PDSCH area that is not occupied by the paging message can be used to transmit the PDSCH of the normal user data, but the time-frequency resource that the PDSCH occupies in the corresponding PDCCH4 needs to be indicated, and is required for the PDSCH of the normal subframe.
  • the symbol resource indicating that the PDSCH is occupied is not all symbol resources of the PDSCH region.
  • the method for transmitting a paging message according to the foregoing embodiment of the present disclosure is applicable to a 5G high-frequency system, which can improve paging efficiency, reduce power consumption of the UE, and improve resource utilization of the system.
  • an embodiment of the present disclosure further provides a method for receiving a paging message, including:
  • Step 71 Receive at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when receiving a paging message;
  • Step 72 Receive, by using the resource, at least one paging message sent by the base station.
  • the at least one terminal having the same identifier receives the at least one first physical downlink control channel PDCCH message in the subframe in which the paging message is received, and in the subframe, according to the first indication information, Receiving at least one paging message sent by the base station.
  • the terminals of these same UE_IDs can listen to the paging message at the same time (such as paging frame or paging moment), so that from the perspective of the base station, less time resources can be allocated for potential paging messages. Send, reducing the restrictions on the flexibility of base station scheduling.
  • the resources used when receiving the paging message include: a beam used to receive the paging message and an orthogonal frequency division multiplexing OFDM symbol resource occupied by the paging message.
  • the step 72 may include: receiving, by using the beam indicated by the first indication information, at least one paging message sent by the base station, on an OFDM symbol resource occupied by the paging message indicated by the first indication information.
  • one paging message is sent through one beam, and correspondingly, one paging message is received through one beam.
  • the paging messages corresponding to different beams occupy the PDSCH by means of time division multiplexing.
  • a paging message occupies at least one symbol resource of the PDSCH.
  • a paging message occupies part of the bandwidth or the full bandwidth on the PDSCH.
  • Different paging messages occupy the same bandwidth on the PDSCH or different paging messages occupy different bandwidths on the PDSCH.
  • the beam receiving the first PDCCH message may be the same beam as the beam used when receiving the paging message.
  • the beam receiving the paging message 1 is the beam 1, and the beam 1 can also be used to receive the PDCCH 1.
  • the beam receiving the paging message 2 is beam 2, and the PDCCH 2 can also be received by the beam 2.
  • PDCCH1 specifies the beam 2 used for transmitting paging message 1 and beam 2 used for paging message 2
  • beam 1 may be used to receive PDCCH1, or beam 2 may be used.
  • the PDCCH may be received in other manners, and is not limited to the manners listed above.
  • the method for receiving the paging message in the third embodiment may further include:
  • the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and second indication information of a bandwidth occupied by the user data on the PDSCH;
  • the PDSCH area that is not occupied by the paging message can be used to receive the PDSCH of the normal user data, but the time-frequency resource occupied by the PDSCH needs to be indicated in the corresponding PDCCH4, and the PDSCH of the normal subframe needs to be indicated.
  • the symbol resources occupied by the PDSCH are not all symbol resources of the PDSCH region.
  • an embodiment of the present disclosure further provides a base station 80, including:
  • the first sending module 81 is configured to send at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when sending the paging message;
  • the second sending module 82 is configured to use the resource to send at least one paging message to at least one terminal configured to have the same identifier.
  • the first sending module 81 and the second sending module 82 may be implemented by a transmitter of the base station, and the base station may further have a control transmitter to send a PDCCH message, a paging message, and user data.
  • the base station may further have a control transmitter to send a PDCCH message, a paging message, and user data.
  • the first sending module 81 is specifically configured to: send, in a subframe in which the paging message is sent, at least one first PDCCH message that is scrambled by the paging identifier P-RNTI.
  • the resources used when sending the paging message include: a beam used to send the paging message and a resource occupied by the paging message on the physical downlink shared channel PDSCH.
  • the second sending module 82 is specifically configured to: in the subframe, by using a beam indicated by the first indication information, on an OFDM symbol resource occupied by a paging message indicated by the first indication information, At least one terminal configured to have the same identity transmits at least one paging message.
  • the first sending module 81 is further configured to send at least one second physical downlink control channel PDCCH message, where the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and a bandwidth occupied by the user data on the PDSCH.
  • Second indication information
  • the second sending module 82 is further configured to send the user data to at least one of the terminals configured to have the same identifier according to the second indication information.
  • the base station is a device corresponding to the foregoing first embodiment and the second embodiment, and all implementation examples in the foregoing first embodiment and the second embodiment are applicable to the embodiment of the base station, and can also be implemented. The same or similar technical effects.
  • an embodiment of the present disclosure further provides a terminal 90, including:
  • the first receiving module 91 is configured to receive at least one first physical downlink control channel PDCCH message, where the first PDCCH message carries first indication information indicating a resource used when receiving the paging message;
  • the second receiving module 92 is configured to receive, by using the resource, at least one paging message sent by the base station.
  • the resources used when receiving the paging message include: a beam used to receive the paging message and an OFDM symbol resource occupied by the paging message.
  • the second receiving module 92 is configured to: receive, by using the beam indicated by the first indication information, at least one homing sent by the base station on an OFDM symbol resource occupied by the paging message indicated by the first indication information Call the message.
  • the first receiving module 91 is further configured to receive at least one second physical downlink control channel PDCCH message, where the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and a bandwidth occupied by the user data on the PDSCH.
  • the second indication is further configured to receive at least one second physical downlink control channel PDCCH message, where the second PDCCH message carries a symbol resource indicating a PDSCH for transmitting user data and a bandwidth occupied by the user data on the PDSCH. The second indication.
  • the second receiving module 92 is configured to receive the user data sent by the base station according to the second indication information.
  • the first receiving module 91 and the second receiving module 92 may be implemented by receiving by the terminal, and the terminal may further have a process of controlling the receiver to receive the PDCCH message, the paging message, and the user data. , controller and / or memory, etc.
  • the embodiment of the terminal is a device corresponding to the method described in the foregoing third embodiment, and all implementation examples in the foregoing third embodiment are applicable to the embodiment of the terminal, and can also achieve the same or similar Technical effect.
  • the foregoing embodiment of the present disclosure configures a plurality of UEs to use the same UE ID by a base station, and a UE having the same UE ID may listen to a paging message in the same subframe, and may indicate at least one paging message (a paging message) through one PDCCH.
  • a paging message is transmitted by the base station in one beam.
  • the paging message can occupy only one or more symbols of the PDSCH.
  • the paging message corresponding to the different beams occupies the PDSCH in a time division manner, and one paging message can occupy the entire Bandwidth or only a fraction of the bandwidth.
  • the base station Since multiple UEs use the same UE ID to listen to the paging message in the same subframe, the base station does not have to send the same paging message through multiple beams in sequence on multiple subframes for one UE, which saves the subframe resources.

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  • Mobile Radio Communication Systems (AREA)

Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé d'envoi d'un message de radiomessagerie, un procédé de réception d'un message de radiomessagerie, une station de base et un terminal. Le procédé d'envoi d'un message de radiomessagerie consiste à : envoyer au moins un premier message de canal de commande de liaison descendante physique (PDCCH), le premier message PDCCH transportant des premières informations d'indication indiquant une ressource utilisée pour envoyer un message de radiomessagerie ; et envoyer, au moyen de la ressource, au moins un message de radiomessagerie à au moins un terminal configuré pour disposer d'un même identifiant. Dans la solution technique fournie par les modes de réalisation de la présente invention, un même identifiant peut être utilisé pour de multiples terminaux, et les multiples terminaux comportant le même identifiant écoute un message de radiomessagerie sur une même sous-trame, de sorte qu'une station de base n'a pas besoin d'envoyer un même message de radiomessagerie sur de multiples sous-trames au moyen de multiples faisceaux d'ondes séquentiellement pour chaque terminal ; ainsi, des ressources de sous-trame sont relativement sauvegardées. De plus, une ressource qui doit être occupée par le message de radiomessagerie lorsque le message de radiomessagerie est envoyé est indiquée par des informations d'indication ; ainsi, l'efficacité de radiomessagerie est améliorée.
PCT/CN2018/079829 2017-03-30 2018-03-21 Procédé d'envoi de message de radiomessagerie, procédé de réception de message de radiomessagerie, station de base et terminal WO2018177179A1 (fr)

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EP4280723A4 (fr) * 2021-01-14 2024-10-23 Beijing Xiaomi Mobile Software Co., Ltd. Procédé d'envoi d'indication précoce de radiomessagerie et procédé de réception d'indication précoce de radiomessagerie
CN117320137B (zh) * 2023-11-29 2024-02-23 上海卫星互联网研究院有限公司 发送方法、接收方法、装置、设备及存储介质

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