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WO2018132968A1 - Procédé et dispositif d'acquisition de si minimales - Google Patents

Procédé et dispositif d'acquisition de si minimales Download PDF

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Publication number
WO2018132968A1
WO2018132968A1 PCT/CN2017/071527 CN2017071527W WO2018132968A1 WO 2018132968 A1 WO2018132968 A1 WO 2018132968A1 CN 2017071527 W CN2017071527 W CN 2017071527W WO 2018132968 A1 WO2018132968 A1 WO 2018132968A1
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WO
WIPO (PCT)
Prior art keywords
cell
ran
minimum
terminal
based area
Prior art date
Application number
PCT/CN2017/071527
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English (en)
Chinese (zh)
Inventor
洪伟
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2017/071527 priority Critical patent/WO2018132968A1/fr
Priority to CN201780000024.9A priority patent/CN108551767B/zh
Publication of WO2018132968A1 publication Critical patent/WO2018132968A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method and apparatus for acquiring a Minimum SI.
  • the base station can periodically broadcast the SI (System Information) for the terminal access, and the terminal can receive the SI broadcast by the base station to which the cell in which the current cell belongs, and then can access the base station according to the SI, so that the communication message can be transmitted through the base station.
  • SI System Information
  • Minimum SI is the minimum necessary information required for the terminal to access the base station, and is used for the terminal to select the cell, acquire the Other SI, access the cell, and the like.
  • RRC-INACTIVE Radio Resource Control-Incentive
  • the terminal can acquire the Minimum SI of the current cell and perform business processing based on the Minimum SI.
  • the terminal needs to repeatedly receive and process the Minimum SI, which wastes the processing resources of the terminal.
  • embodiments of the present invention provide a method and apparatus for acquiring a Minimum SI.
  • the technical solution is as follows:
  • a method of obtaining a Minimum SI comprising:
  • the cell to which the terminal belongs changes from the first cell to the second cell, detecting whether the second cell is in the same RAT-based area as the first cell, where the same RAN-based area
  • the minimum system information of the cell in the middle is the same as the Minimum SI
  • the second cell and the first cell are in different RAN-based areas, acquiring the Minimum SI of the second cell.
  • the detecting the cell to which the terminal belongs includes:
  • the synchronization message of the cell to which the terminal belongs is periodically acquired, and the cell to which the terminal belongs is detected according to the synchronization message.
  • the detecting whether the second cell is in the same RAN-based area as the first cell includes:
  • the detecting whether the second cell is in the same RAN-based area as the first cell includes:
  • the method further includes:
  • the other system information Other SI of the second cell is obtained according to the Minimum SI of the second cell, and a service connection is established with the second cell based on the Other SI.
  • an apparatus for obtaining a Minimum SI comprising:
  • a first detecting module configured to detect a cell to which the terminal belongs if the terminal is in a radio resource control connection inactive RRC-INACTIVE state
  • a second detecting module configured to: when the cell to which the terminal belongs changes from the first cell to the second cell, Detecting whether the second cell is in the same radio control area RAN-based area as the first cell, where the minimum system information Minimum SI of the cell in the same RAN-based area is the same;
  • an acquiring module configured to acquire, when the second cell and the first cell are in different RAN-based areas, obtain the Minimum SI of the second cell.
  • the first detecting module is configured to:
  • the synchronization message of the cell to which the terminal belongs is periodically acquired, and the cell to which the terminal belongs is detected according to the synchronization message.
  • the second detecting module includes:
  • a first acquiring sub-module configured to acquire a first cell identifier carried in the synchronization message of the first cell, and a second cell identifier carried in the synchronization message of the second cell;
  • a first detection submodule configured to detect, according to the first eNB and the second cell identifier, whether the second cell is in the same RAN-based manner as the first cell Area.
  • the second detecting module includes:
  • a second acquiring sub-module configured to acquire a first RAN-based area identifier carried in the synchronization message of the first cell, and a second RAN-based area identifier carried in the synchronization message of the second cell;
  • a second detecting submodule configured to detect, according to the first RAN-based area identifier and the second RAN-based area identifier, whether the second cell is in the same RAN-based area as the first cell.
  • the device further includes:
  • Establishing a module configured to acquire other system information Other SI of the second cell according to the Minimum SI of the second cell, and based on the Other SI and the second, when receiving an execution instruction of a large data volume service
  • the cell establishes a service connection.
  • an apparatus for obtaining a Minimum SI comprising:
  • a memory for storing the processor executable instructions
  • processor is used to:
  • the cell to which the terminal belongs changes from the first cell to the second cell, detecting whether the second cell is in the same RAT-based area as the first cell, where the same RAN-based area
  • the minimum system information of the cell in the middle is the same as the Minimum SI
  • the second cell and the first cell are in different RAN-based areas, acquiring the Minimum SI of the second cell.
  • the cell to which the terminal belongs when the terminal is in the radio resource control connection inactive RRC-INACTIVE state, the cell to which the terminal belongs is detected, and when the cell to which the terminal belongs changes from the first cell to the second cell, whether the second cell is detected
  • the RAN-based area of the same radio control area is the same as the first cell, where the minimum system information Minimum SI of the cell in the same RAN-based area is the same, and if the second cell and the first cell are in different RAN-based areas, the second Minimum SI of the second community.
  • the terminal when the cell to which the terminal in the RRC-INACTIVE state belongs changes, if the cells before and after the change belong to the same RAN-based area, the terminal does not need to repeatedly receive and process the Minimum SI, thereby saving the processing resources of the terminal.
  • FIG. 1 is a flowchart of a method for acquiring a Minimum SI according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of acquiring a Minimum SI according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for acquiring a Minimum SI according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for acquiring a Minimum SI according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an apparatus for acquiring a Minimum SI according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an apparatus for acquiring a Minimum SI according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • An embodiment of the present invention provides a method for acquiring a Minimum SI.
  • the method is implemented by a base station and is implemented by a base station.
  • the terminal may be any mobile terminal capable of communicating with the base station, such as a mobile phone, a car battery, and the like.
  • the terminal may be provided with a receiver, a transmitter, a processor and a memory, and the receiver and the transmitter may be respectively connected to the processor.
  • the receiver can be used to send and receive messages or data, and the receiver can include, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a coupler, an LNA (low noise amplifier), a duplexer Wait.
  • LNA low noise amplifier
  • the processor may be the control center of the terminal device, and connects various parts of the entire terminal device, such as a receiver and a transmitter, using various interfaces and lines.
  • the processor may be used to acquire related processing of the Minimum SI.
  • the processor may include one or more processing units; the processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, referred to as CPU), Network Processor (NP), etc.; may also be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device.
  • the program can include program code, the program code including computer operating instructions.
  • the memory can be used to store the data required in the following processing as well as the generated data.
  • the terminal is a mobile phone as an example, and a detailed description of the solution is performed. Other situations are similar, and the embodiment is not described in detail.
  • Step 101 When the terminal is in the RRC-INACTIVE state, detect the cell to which the terminal belongs.
  • the user can operate to open the terminal, and the terminal can be changed from the shutdown state to the power-on state, the terminal can acquire the Minimum SI of the current cell, and then acquire the Other SI of the cell according to the Minimum SI, and the terminal can be based on the Minimum SI and The other SI completely accesses the cell, that is, the RRC connection state of the terminal changes from the RRC-IDLE state to the RRC-CONNECT state.
  • the terminal After the terminal is in the RRC-CONNECT state, if the terminal does not perform the large data volume service within the preset time period, the terminal enters the RRC-INACTIVE state, and the terminal in the RRC-INACTIVE state can perform the small data volume service.
  • the data volume service is a service in which the data volume is greater than a certain threshold
  • the small data volume service is a service in which the data volume is less than a certain threshold.
  • the terminal may detect the cell to which the terminal belongs according to the synchronization message broadcasted by the cell, and the corresponding processing may be as follows: periodically acquiring the synchronization message of the cell to which the terminal belongs, and detecting the cell to which the terminal belongs according to the synchronization message.
  • the base station may broadcast a synchronization message of the cell, and after receiving the synchronization message of the cell, the terminal may perform time domain synchronization and frequency domain synchronization with the base station according to the message.
  • the terminal detects the cell to which the terminal belongs, it can periodically obtain the synchronization message of the cell to which the terminal belongs.
  • the synchronization message can carry the identification information of the cell, and the terminal can detect the cell to which the cell belongs according to the identity information of the cell. It can be understood that if the terminal receives the synchronization message of multiple cells, it indicates that the terminal is in an area covered by multiple cell signals, and the terminal can compare the signal strengths of the synchronization messages of multiple cells, and then select the synchronization message with the highest signal strength. As the synchronization message of the belonging cell, the cell to which the terminal belongs can be detected.
  • Step 102 When the cell to which the terminal belongs changes from the first cell to the second cell, it is detected whether the second cell is in the same radio control area RAN-based area as the first cell.
  • the minimum system information Minimum SI of the cell in the same RAN-based area is the same.
  • the technician on the base station side can perform RAN-based area division on all cells, that is, the cells with the same Minimum SI are divided into the same RAN-based area.
  • the terminal may determine the first cell. Whether the second cell is in the same RAN-based area. If the cell to which the terminal belongs does not change, no processing can be performed. If the cell identifier in the acquired synchronization message changes, the cell to which the terminal belongs changes.
  • the terminal acquires the synchronization message of the first cell, if the synchronization message of the second cell is acquired multiple times in succession, the cell to which the terminal belongs may be considered.
  • the first cell changes to the second cell, and if only the synchronization message of the second cell is acquired once, subsequent processing may not be performed.
  • Manner 1 The first RAN-based area identifier carried in the synchronization message of the first cell, and the second RAN-based area identifier carried in the synchronization message of the second cell, according to the first RAN-based The area identifier and the second RAN-based area identifier detect whether the second cell is in the same RAN-based area as the first cell.
  • the network side technician can divide the same continuous cell of the Minimum SI into the same RAN-based area according to the Minimum SI of each cell, and then inform the base station of the RAN-base area to which the managed cell belongs, so that the base station
  • the synchronization message may carry the identifier information of the RAN-based area to which the cell belongs.
  • the terminal may obtain the first RAN-based area identifier carried in the synchronization message.
  • the terminal may acquire the synchronization message.
  • the second RAN-based area identifier is carried in the terminal, and then the terminal determines whether the second cell is in the same RAN-based area as the first cell by determining whether the first RAN-based area identifier and the second RAN-based area identifier are the same.
  • Manner 2 Obtain the first cell identifier carried in the synchronization message of the first cell, and the second cell identifier carried in the synchronization message of the second cell, based on the pre-stored RAN-based area, according to the first cell identifier And detecting, by the second cell, whether the second cell is in the same RAN-based area as the first cell.
  • the network side technician can divide the same continuous cell of the Minimum SI into the same RAN-based area according to the Minimum SI of each cell, and then send the RAN-base area division result to the terminal through the base station, so that the terminal
  • the partitioning result of the RAN-base area can be stored locally.
  • the base station may periodically acquire the location of the terminal, and then send the result of the division of the RAN-base area of the cell in the vicinity of the location of the terminal to the terminal.
  • the synchronization message may carry the cell identifier of the cell, so that the terminal may acquire the first cell identifier carried in the synchronization message of the first cell, and the synchronization message of the second cell.
  • the second cell identifier carried. Then, the terminal may determine whether the first cell corresponding to the first cell identifier and the second cell corresponding to the second cell identifier are in the same RAN-based area based on the result of the division of the RAN-based area.
  • Step 103 If the second cell and the first cell are in different RAN-based areas, acquire the Minimum SI of the second cell.
  • the Minimum SI of the second cell when the cell to which the terminal belongs changes from the first cell to the second cell, if the second cell and the first cell are in different RAN-based areas, the Minimum SI of the second cell may be acquired. Specifically, the base station may periodically broadcast the Minimum SI of the cell, and the terminal may receive and acquire the base station broadcast. The Minimum SI of the second cell, further, the terminal can complete the initial access to the second cell according to the Minimum SI of the second cell. If the second cell is in the same RAN-based area as the first cell, the acquiring process of the Minimum SI of the second cell may not be performed, and the terminal may perform the process of initially accessing the second cell according to the Minimum SI of the first cell.
  • Figure 2 simply shows the main processing flow of this solution.
  • the terminal may obtain Other SI according to the Minimum SI, and the corresponding processing may be as follows: when receiving an execution instruction of the large data volume service, acquiring according to the Minimum SI of the second cell The other system information of the second cell, Other SI, establishes a service connection with the second cell based on Other SI.
  • the terminal when the terminal is in the RRC-INACTIVE state, the user can control the terminal to perform a small data volume service. If the user needs to control the terminal to perform a large data volume service, the terminal receives the execution instruction of the large data volume service, and then can be based on the Minimum.
  • the SI obtains the corresponding Other SI and establishes a service connection with the currently located cell based on Other SI.
  • the terminal when the terminal is in the second cell, if the execution instruction of the large data volume service is received, the Other SI of the second cell required by the service may be obtained from the base station of the second cell, where different services may be used.
  • the identification information of each Other SI can be recorded in the Minimum SI, so the terminal can obtain the Other SI required by the business from the Minimum SI. After that, the terminal can establish a service connection with the second cell based on the acquired Other SI.
  • the cell to which the terminal belongs when the terminal is in the radio resource control connection inactive RRC-INACTIVE state, the cell to which the terminal belongs is detected, and when the cell to which the terminal belongs changes from the first cell to the second cell, whether the second cell is detected
  • the RAN-based area of the same radio control area is the same as the first cell, where the minimum system information Minimum SI of the cell in the same RAN-based area is the same, and if the second cell and the first cell are in different RAN-based areas, the second Minimum SI of the second community.
  • the terminal when the cell to which the terminal in the RRC-INACTIVE state belongs changes, if the cells before and after the change belong to the same RAN-based area, the terminal does not need to repeatedly receive and process the Minimum SI, thereby saving the processing resources of the terminal.
  • an embodiment of the present invention further provides a device for acquiring a Minimum SI.
  • the device includes:
  • the first detecting module 301 is configured to detect when the terminal is in the RRC-INACTIVE state. a cell to which the terminal belongs;
  • the second detecting module 302 is configured to: when the cell to which the terminal belongs changes from the first cell to the second cell, detecting whether the second cell is in the same RAN-based area as the first cell, where The minimum system information Minimum SI of the cell in the same RAN-based area is the same;
  • the obtaining module 303 is configured to acquire the Minimum SI of the second cell if the second cell and the first cell are in different RAN-based areas.
  • the first detecting module 301 is configured to:
  • the synchronization message of the cell to which the terminal belongs is periodically acquired, and the cell to which the terminal belongs is detected according to the synchronization message.
  • the second detecting module 302 includes:
  • the first obtaining sub-module 3021 is configured to acquire a first cell identifier carried in the synchronization message of the first cell, and a second cell identifier carried in the synchronization message of the second cell.
  • the first detecting sub-module 3022 is configured to detect, according to the first eNB and the second cell identifier, whether the second cell is in the same RAN as the first cell, according to a result of the RAN-based area. Based area.
  • the second detecting module 302 includes:
  • the second obtaining sub-module 3023 is configured to obtain a first RAN-based area identifier carried in the synchronization message of the first cell, and a second RAN-based area identifier carried in the synchronization message of the second cell.
  • the second detecting sub-module 3024 is configured to detect, according to the first RAN-based area identifier and the second RAN-based area identifier, whether the second cell is in the same RAN-based area as the first cell.
  • the apparatus further includes:
  • the establishing module 304 is configured to acquire, according to the Minimum SI of the second cell, other system information Other SI of the second cell, according to the execution command of the large data volume service, and based on the Other SI and the first The second cell establishes a service connection.
  • the cell to which the terminal belongs when the terminal is in the radio resource control connection inactive RRC-INACTIVE state, the cell to which the terminal belongs is detected, and when the cell to which the terminal belongs changes from the first cell to the second cell, whether the second cell is detected
  • the RAN-based area is in the same radio control area as the first cell, where the minimum system information Minimum SI of the cell in the same RAN-based area is the same, if The second cell and the first cell are in different RAN-based areas, and the Minimum SI of the second cell is obtained.
  • the terminal when the cell to which the terminal in the RRC-INACTIVE state belongs changes, if the cells before and after the change belong to the same RAN-based area, the terminal does not need to repeatedly receive and process the Minimum SI, thereby saving the processing resources of the terminal.
  • the device for obtaining the Minimum SI provided by the foregoing embodiment is only exemplified by the division of the above functional modules when acquiring the Minimum SI. In actual applications, the functions may be allocated by different functional modules according to requirements. Upon completion, the internal structure of the device is divided into different functional modules to perform all or part of the functions described above.
  • the device for obtaining the Minimum SI provided by the foregoing embodiment is the same as the method for obtaining the Minimum SI. The specific implementation process is described in detail in the method embodiment, and details are not described herein again.
  • FIG. 7 is a block diagram of an apparatus 700 for acquiring a Minimum SI, according to an exemplary embodiment.
  • the device 700 can be provided as a terminal, for example, the device 700 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
  • apparatus 700 can include one or more of the following components: processing component 702, memory 704, power component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, sensor component 714, And a communication component 716.
  • Processing component 702 typically controls the overall operation of device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 702 can include one or more processors 720 to execute instructions to perform all or part of the steps described above.
  • processing component 702 can include one or more modules to facilitate interaction between component 702 and other components.
  • processing component 702 can include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
  • Memory 704 is configured to store various types of data to support operation at device 700. Examples of such data include instructions for any application or method operating on device 700, contact data, phone book data, messages, pictures, videos, and the like. Memory 704 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programming read only memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programming read only memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 706 provides power to various components of device 700.
  • Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 700.
  • the multimedia component 708 includes a screen between the device 700 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 708 includes a front camera and/or a rear camera. When the device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 710 is configured to output and/or input an audio signal.
  • audio component 710 includes a microphone (MIC) that is configured to receive an external audio signal when device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 704 or transmitted via communication component 716.
  • audio component 710 also includes a speaker for outputting an audio signal.
  • the I/O interface 712 provides an interface between the processing component 702 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 714 includes one or more sensors for providing device 700 with various aspects of status assessment.
  • sensor assembly 714 can detect an open/closed state of device 700, relative positioning of components, such as the display and keypad of device 700, and sensor component 714 can also detect a change in position of one component of device 700 or device 700. The presence or absence of user contact with device 700, device 700 orientation or acceleration/deceleration, and temperature variation of device 700.
  • Sensor assembly 714 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor component 714 can also include a light sensor, such as a CMOS or CCD image sensor, for Used in imaging applications.
  • the sensor component 714 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 716 is configured to facilitate wired or wireless communication between device 700 and other devices.
  • the device 700 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 716 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 716 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 700 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 704 comprising instructions executable by processor 720 of apparatus 700 to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium when instructions in the storage medium are executed by a processor of apparatus 700, to enable apparatus 700 to perform a method of obtaining Minimum SI, the method comprising:
  • the cell to which the terminal belongs changes from the first cell to the second cell, detecting whether the second cell is in the same RAT-based area as the first cell, where the same RAN-based area
  • the minimum system information of the cell in the middle is the same as the Minimum SI
  • the second cell and the first cell are in different RAN-based areas, acquiring the Minimum SI of the second cell.
  • the detecting the cell to which the terminal belongs includes:
  • the synchronization message of the cell to which the terminal belongs is periodically acquired, and the cell to which the terminal belongs is detected according to the synchronization message.
  • the detecting whether the second cell is in the same RAN-based area as the first cell includes:
  • the detecting whether the second cell is in the same RAN-based area as the first cell includes:
  • the method further includes:
  • the other system information Other SI of the second cell is obtained according to the Minimum SI of the second cell, and a service connection is established with the second cell based on the Other SI.
  • the cell to which the terminal belongs when the terminal is in the radio resource control connection inactive RRC-INACTIVE state, the cell to which the terminal belongs is detected, and when the cell to which the terminal belongs changes from the first cell to the second cell, whether the second cell is detected
  • the RAN-based area of the same radio control area is the same as the first cell, where the minimum system information Minimum SI of the cell in the same RAN-based area is the same, and if the second cell and the first cell are in different RAN-based areas, the second Minimum SI of the second community.
  • the terminal when the cell to which the terminal in the RRC-INACTIVE state belongs changes, if the cells before and after the change belong to the same RAN-based area, the terminal does not need to repeatedly receive and process the Minimum SI, thereby saving the processing resources of the terminal.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte au domaine des télécommunications et concerne un procédé et un dispositif d'acquisition de SI minimales. Le procédé consiste : lorsqu'un terminal est dans un état inactif de commande de ressources radioélectriques (RRC-INACTIVE), à détecter une cellule à laquelle appartient le terminal ; lors d'un changement de cellule d'appartenance du terminal d'une première cellule vers une seconde cellule, à détecter si la seconde cellule est dans une même zone de commande radioélectrique (zone fondée sur un RAN) que la première cellule, des informations de système minimales (SI minimales) de cellules dans la même zone fondée sur un RAN étant identiques ; et si la seconde cellule se trouve dans une zone fondée sur un RAN différente de la première cellule, à acquérir des SI minimales de la seconde cellule. La présente invention peut être utilisée afin d'économiser des ressources de traitement d'un terminal.
PCT/CN2017/071527 2017-01-18 2017-01-18 Procédé et dispositif d'acquisition de si minimales WO2018132968A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2017/071527 WO2018132968A1 (fr) 2017-01-18 2017-01-18 Procédé et dispositif d'acquisition de si minimales
CN201780000024.9A CN108551767B (zh) 2017-01-18 2017-01-18 一种获取Minimum SI的方法和装置

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