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WO2018132968A1 - 一种获取Minimum SI的方法和装置 - Google Patents

一种获取Minimum SI的方法和装置 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
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Ceased
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PCT/CN2017/071527
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English (en)
French (fr)
Inventor
洪伟
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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.)
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Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2017/071527 priority Critical patent/WO2018132968A1/zh
Priority to CN201780000024.9A priority patent/CN108551767B/zh
Publication of WO2018132968A1 publication Critical patent/WO2018132968A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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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Abstract

本发明公开了一种获取Minimum SI的方法和装置，属于无线通信领域。所述方法包括：在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区，当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同，如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。采用本发明，可以节省终端的处理资源。

Description

一种获取Minimum SI的方法和装置 技术领域
本发明涉及无线通信领域，特别涉及一种获取Minimum SI的方法和装置。
背景技术
基站可以周期性的广播用于终端接入的SI(系统信息，System Information)，终端可以接收其当前所在的小区所属基站广播的SI，然后可以根据SI接入基站，从而可以通过基站传输通信消息。
目前，5G(The Fifth Generation Mobile Communication Technology，第五代移动通信技术)得到了迅速发展。2016年8月的RAN2#会议决定将5G通信网络中的系统信息区分为Minimum SI(Minimum System Information，最小系统信息)和Other SI(Other System Information，其他系统信息)。Minimum SI为终端接入基站所需要的最少必要信息，用于终端选择小区、获取Other SI、访问小区等。对处于RRC-INACTIVE(Radio Resource Control-INACTIVE，无线资源控制连接不活跃)状态的终端，只需要获取Minimum SI则可以执行基本的业务处理，而当所属的小区发生变化时，处于RRC-INACTIVE状态的终端可以获取当前小区的Minimum SI，并基于Minimum SI执行业务处理。
在实现本发明的过程中，发明人发现现有技术至少存在以下问题：
当处于RRC-INACTIVE状态的终端所属的小区发生变化，且变化前后的小区具有相同的Minimum SI时，终端需要重复接收并处理Minimum SI，这样，会对终端的处理资源造成浪费。
发明内容
为了解决现有技术的问题，本发明实施例提供了一种获取Minimum SI的方法和装置。所述技术方案如下：
第一方面，提供了一种获取Minimum SI的方法，所述方法包括：
在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测 所述终端所属的小区；
当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
可选的，所述检测所述终端所属的小区，包括：
周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
可选的，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述方法还包括：
当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
第二方面，提供了一种获取Minimum SI的装置，所述装置包括：
第一检测模块，用于在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区；
第二检测模块，用于当所述终端所属的小区由第一小区变化为第二小区时， 检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
获取模块，用于如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
可选的，所述第一检测模块，用于：
周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
可选的，所述第二检测模块，包括：
第一获取子模块，用于获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
第一检测子模块，用于基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述第二检测模块，包括：
第二获取子模块，用于获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
第二检测子模块，用于根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述装置还包括：
建立模块，用于当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
第三方面，提供了一种获取Minimum SI的装置，所述装置包括：
处理器；
用于存储所述处理器可执行指令的存储器；
其中，所述处理器用于：
在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测 所述终端所属的小区；
当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
本发明实施例提供的技术方案带来的有益效果是：
本发明实施例中，在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测终端所属的小区，当终端所属的小区由第一小区变化为第二小区时，检测第二小区是否与第一小区处于同一无线控制区域RAN-based area，其中，同一RAN-based area中的小区的最小系统信息Minimum SI相同，如果第二小区与第一小区处于不同RAN-based area，则获取第二小区的Minimum SI。这样，当处于RRC-INACTIVE状态的终端所属的小区发生变化，如果变化前后的小区属于同一RAN-based area，终端则不需要重复接收并处理Minimum SI，从而可以节省终端的处理资源。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种获取Minimum SI的方法流程图；
图2是本发明实施例提供的一种获取Minimum SI的流程示意图；
图3是本发明实施例提供的一种获取Minimum SI的装置结构示意图；
图4是本发明实施例提供的一种获取Minimum SI的装置结构示意图；
图5是本发明实施例提供的一种获取Minimum SI的装置结构示意图；
图6是本发明实施例提供的一种获取Minimum SI的装置结构示意图；
图7是本发明实施例提供的一种终端的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地详细描述。
本发明实施例提供了一种获取Minimum SI的方法，该方法的执行主体为终端，并由基站辅助实现。其中，终端可以是能够与基站进行通信的任一移动终端，如手机、车载电表等。终端上可以设置有接收器、发射器、处理器和存储器，接收器、发射器可以分别与处理器连接。接收器可以用于收发消息或数据，接收器可以包括但不限于天线、至少一个放大器、调谐器、一个或多个振荡器、耦合器、LNA(low noise amplifier，低噪声放大器)、双工器等。处理器可以是终端设备的控制中心，利用各种接口和线路连接整个终端设备的各个部分，如接收器和发射器等。在本发明中，处理器可以用于获取Minimum SI的相关处理，可选的，处理器可以包括一个或多个处理单元；处理器可以是通用处理器，包括中央处理器(Central Processing Unit，简称CPU)、网络处理器(Network Processor，简称NP)等；还可以是数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件等。具体地，程序可以包括程序代码，程序代码包括计算机操作指令。存储器可以用于存储下述处理过程中需要的数据以及产生的数据。本实施例中，以终端为手机为例，进行方案的详细说明，其它情况与之类似，本实施例不再累述。
下面将结合具体实施方式，对图1所示的处理流程进行详细的说明，内容可以如下：
步骤101，在终端处于RRC-INACTIVE状态的情况下，检测终端所属的小区。
在实施中，用户可以操作打开终端，终端则可以由关机状态转变为开机状态，终端则可以获取当前所属小区的Minimum SI，再根据Minimum SI获取该小区的Other SI，进而终端可以根据Minimum SI和Other SI完全接入小区，即终端的RRC连接状态由RRC-IDLE状态变为RRC-CONNECT状态。终端处于RRC-CONNECT状态后，如果在预设时长内终端都未进行大数据量业务，终端则会进入RRC-INACTIVE状态，处于RRC-INACTIVE状态的终端可以进行小数据量业务，可以理解，大数据量业务即数据量大于一定阈值的业务，小数据量业务即数据量小于一定阈值的业务。终端在处于RRC-INACTIVE状态的情况 下，则可以周期性地检测终端当前所属的小区。
可选的，终端可以根据小区广播的同步消息，检测终端所属的小区，相应的处理可以如下：周期性获取终端所属的小区的同步消息，根据同步消息检测终端所属的小区。
在实施中，基站可以广播小区的同步消息，终端接收到小区的同步消息后，可以根据此消息与基站进行时域同步和频域同步。而终端在检测自己所属的小区时，可以周期性获取终端当前所属的小区的同步消息，同步消息中可以携带有小区的标识信息，终端则可以根据小区的标识信息来检测所属的小区。可以理解，如果终端接收到了多个小区的同步消息，则表示终端处于多个小区信号共同覆盖的区域，这时终端可以比较多个小区的同步消息的信号强度，然后选取信号强度最高的同步消息作为所属小区的同步消息，进而可以检测出终端所属的小区。
步骤102，当终端所属的小区由第一小区变化为第二小区时，检测第二小区是否与第一小区处于同一无线控制区域RAN-based area。
其中，同一RAN-based area中的小区的最小系统信息Minimum SI相同。
在实施中，基站侧的技术人员可以对所有小区进行RAN-based area划分，即将具有相同Minimum SI的小区划分为同一RAN-based area。在检测完终端所属的小区时，如果发现终端当前所属的小区和上一次检测得到的小区不是同一个小区，即终端所属的小区由第一小区变化为第二小区，终端则可以判断第一小区和第二小区是否处于同一RAN-based area。如果终端所属的小区未发生变化，则可以不进行任何处理。基于上述根据同步消息检测终端所属小区的处理，如果获取到的同步消息中的小区标识发生改变，则代表终端所属的小区发生了变化。需要说明的是，为了避免信号干扰或者波动带来的误检测，可以设置终端获取到第一小区的同步消息后，如果连续多次获取到第二小区的同步消息，则可以认为终端所属的小区由第一小区变化为第二小区，而如果仅获取到一次第二小区的同步消息，则可以不进行后续处理。
可选的，检测两个小区是否属于同一RAN-based area的方式可以有多种，如下给出了两种可行的方式：
方式一：获取第一小区的同步消息中携带的第一RAN-based area标识，和第二小区的同步消息中携带的第二RAN-based area标识，根据第一RAN-based  area标识和第二RAN-based area标识，检测第二小区是否与第一小区处于同一RAN-based area。
在实施中，网络侧技术人员可以根据各个小区的Minimum SI，将Minimum SI相同的连续小区划分入同一个RAN-based area，然后告知基站其管理的各个小区所属的RAN-base area，这样，基站在广播小区的同步消息时，同步消息中可以携带有该小区所属的RAN-based area的标识信息。进而，终端在接收到第一小区的同步消息后，可以获取该同步消息中携带的第一RAN-based area标识，同理，终端在接收到第二小区的同步消息后，可以获取该同步消息中携带的第二RAN-based area标识，然后终端可以通过判断第一RAN-based area标识和第二RAN-based area标识是否相同，确定第二小区是否与第一小区处于同一RAN-based area。
方式二：获取第一小区的同步消息中携带的第一小区标识，和第二小区的同步消息中携带的第二小区标识，基于预先存储的RAN-based area的划分结果，根据第一小区标识和第二小区标识检测第二小区是否与第一小区处于同一RAN-based area。
在实施中，网络侧技术人员可以根据各个小区的Minimum SI，将Minimum SI相同的连续小区划分入同一个RAN-based area，然后可以通过基站将RAN-base area的划分结果发送给终端，从而终端可以存储将RAN-base area的划分结果存储在本地。具体的，基站可以周期性获取终端所在位置，然后将终端所在位置附近的小区的RAN-base area的划分结果发送给终端。同时，基站在广播小区的同步消息的时候，同步消息中可以携带有小区的小区标识，这样，终端可以获取第一小区的同步消息中携带的第一小区标识，和第二小区的同步消息中携带的第二小区标识。之后，终端可以基于预先存储的RAN-based area的划分结果，判断第一小区标识对应的第一小区和第二小区标识对应的第二小区是否处于同一RAN-based area。
步骤103，如果第二小区与第一小区处于不同RAN-based area，则获取第二小区的Minimum SI。
在实施中，终端所属的小区由第一小区变化为第二小区时，如果第二小区和第一小区处于不同RAN-based area，则可以获取第二小区的Minimum SI。具体的，基站可以周期性广播小区的Minimum SI，终端可以接收并获取基站广播 的第二小区的Minimum SI，进一步的，终端可以根据第二小区的Minimum SI完成初步接入第二小区的处理。而如果第二小区与第一小区处于同一RAN-based area，则可以不进行第二小区的Minimum SI的获取处理，终端可以根据第一小区的Minimum SI完成初步接入第二小区的处理。图2简单示出了本方案的主要处理流程。
可选的，如果存在大数据量业务的执行需求，终端则可以根据Minimum SI获取Other SI，相应的处理可以如下：当接收到大数据量业务的执行指令时，根据第二小区的Minimum SI获取第二小区的其它系统信息Other SI，并基于Other SI与第二小区建立业务连接。
在实施中，终端处于RRC-INACTIVE状态时，用户可以控制终端执行小数据量业务，如果用户需要控制终端执行大数据量业务，终端则会接收到大数据量业务的执行指令，进而可以根据Minimum SI获取相应的Other SI，并基于Other SI与当前所处的小区建立业务连接。具体的，终端处于第二小区时，如果接收到大数据量业务的执行指令，则可以从第二小区的基站处获取该业务所需的第二小区的Other SI，此处，不同的业务可以对应不同的Other SI，Minimum SI中可以记录有各Other SI的标识信息，故而终端可以由Minimum SI获取到业务所需的Other SI。之后，终端可以基于获取到的Other SI与第二小区建立业务连接。
本发明实施例中，在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测终端所属的小区，当终端所属的小区由第一小区变化为第二小区时，检测第二小区是否与第一小区处于同一无线控制区域RAN-based area，其中，同一RAN-based area中的小区的最小系统信息Minimum SI相同，如果第二小区与第一小区处于不同RAN-based area，则获取第二小区的Minimum SI。这样，当处于RRC-INACTIVE状态的终端所属的小区发生变化，如果变化前后的小区属于同一RAN-based area，终端则不需要重复接收并处理Minimum SI，从而可以节省终端的处理资源。
基于相同的技术构思，本发明实施例还提供了一种获取Minimum SI的装置，如图3所示，该装置包括：
第一检测模块301，用于在终端处于RRC-INACTIVE状态的情况下，检测 所述终端所属的小区；
第二检测模块302，用于当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
获取模块303，用于如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
可选的，所述第一检测模块301，用于：
周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
可选的，如图4所示，所述第二检测模块302，包括：
第一获取子模块3021，用于获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
第一检测子模块3022，用于基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，如图5所示，所述第二检测模块302，包括：
第二获取子模块3023，用于获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
第二检测子模块3024，用于根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，如图6所示，所述装置还包括：
建立模块304，用于当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
本发明实施例中，在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测终端所属的小区，当终端所属的小区由第一小区变化为第二小区时，检测第二小区是否与第一小区处于同一无线控制区域RAN-based area，其中，同一RAN-based area中的小区的最小系统信息Minimum SI相同，如果第 二小区与第一小区处于不同RAN-based area，则获取第二小区的Minimum SI。这样，当处于RRC-INACTIVE状态的终端所属的小区发生变化，如果变化前后的小区属于同一RAN-based area，终端则不需要重复接收并处理Minimum SI，从而可以节省终端的处理资源。
需要说明的是：上述实施例提供的获取Minimum SI的装置在获取Minimum SI时，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。另外，上述实施例提供的获取Minimum SI的装置与获取Minimum SI的方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
图7是根据一示例性实施例示出的一种获取Minimum SI的装置700的框图。装置700可以被提供为一终端，例如装置700可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图7，装置700可以包括以下一个或多个组件：处理组件702，存储器704，电源组件706，多媒体组件708，音频组件710，输入/输出(I/O)的接口712，传感器组件714，以及通信组件716。
处理组件702通常控制装置700的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件702可以包括一个或多个处理器720来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件702可以包括一个或多个模块，便于处理组件702和其他组件之间的交互。例如，处理组件702可以包括多媒体模块，以方便多媒体组件708和处理组件702之间的交互。
存储器704被配置为存储各种类型的数据以支持在装置700的操作。这些数据的示例包括用于在装置700上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)， 可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件706为装置700的各种组件提供电源。电源组件706可以包括电源管理系统，一个或多个电源，及其他与为装置700生成、管理和分配电源相关联的组件。
多媒体组件708包括在所述装置700和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件708包括一个前置摄像头和/或后置摄像头。当装置700处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件710被配置为输出和/或输入音频信号。例如，音频组件710包括一个麦克风(MIC)，当装置700处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器704或经由通信组件716发送。在一些实施例中，音频组件710还包括一个扬声器，用于输出音频信号。
I/O接口712为处理组件702和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件714包括一个或多个传感器，用于为装置700提供各个方面的状态评估。例如，传感器组件714可以检测到装置700的打开/关闭状态，组件的相对定位，例如所述组件为装置700的显示器和小键盘，传感器组件714还可以检测装置700或装置700一个组件的位置改变，用户与装置700接触的存在或不存在，装置700方位或加速/减速和装置700的温度变化。传感器组件714可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件714还可以包括光传感器，如CMOS或CCD图像传感器，用于 在成像应用中使用。在一些实施例中，该传感器组件714还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件716被配置为便于装置700和其他设备之间有线或无线方式的通信。装置700可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件716经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件716还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置700可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器704，上述指令可由装置700的处理器720执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
一种非临时性计算机可读存储介质，当所述存储介质中的指令由装置700的处理器执行时，使得装置700能够执行一种获取Minimum SI的方法，所述方法包括：
在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区；
当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
可选的，所述检测所述终端所属的小区，包括：
周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
可选的，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
可选的，所述方法还包括：
当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
本发明实施例中，在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测终端所属的小区，当终端所属的小区由第一小区变化为第二小区时，检测第二小区是否与第一小区处于同一无线控制区域RAN-based area，其中，同一RAN-based area中的小区的最小系统信息Minimum SI相同，如果第二小区与第一小区处于不同RAN-based area，则获取第二小区的Minimum SI。这样，当处于RRC-INACTIVE状态的终端所属的小区发生变化，如果变化前后的小区属于同一RAN-based area，终端则不需要重复接收并处理Minimum SI，从而可以节省终端的处理资源。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种获取Minimum SI的方法，其特征在于，所述方法包括：
    在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区；
    当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
    如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
  2. 根据权利要求1所述的方法，其特征在于，所述检测所述终端所属的小区，包括：
    周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
  3. 根据权利要求1所述的方法，其特征在于，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
    获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
    基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
  4. 根据权利要求1所述的方法，其特征在于，所述检测所述第二小区是否与所述第一小区处于同一RAN-based area，包括：
    获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
    根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
  5. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
  6. 一种获取Minimum SI的装置，其特征在于，所述装置包括：
    第一检测模块，用于在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区；
    第二检测模块，用于当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
    获取模块，用于如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
  7. 根据权利要求6所述的装置，其特征在于，所述第一检测模块，用于：
    周期性获取所述终端所属的小区的同步消息，根据所述同步消息检测所述终端所属的小区。
  8. 根据权利要求6所述的装置，其特征在于，所述第二检测模块，包括：
    第一获取子模块，用于获取所述第一小区的同步消息中携带的第一小区标识，和所述第二小区的同步消息中携带的第二小区标识；
    第一检测子模块，用于基于预先存储的RAN-based area的划分结果，根据所述第一小区标识和第二小区标识检测所述第二小区是否与所述第一小区处于同一RAN-based area。
  9. 根据权利要求1所述的装置，其特征在于，所述第二检测模块，包括：
    第二获取子模块，用于获取所述第一小区的同步消息中携带的第一RAN-based area标识，和所述第二小区的同步消息中携带的第二RAN-based area标识；
    第二检测子模块，用于根据所述第一RAN-based area标识和所述第二RAN-based area标识，检测所述第二小区是否与所述第一小区处于同一RAN-based area。
  10. 根据权利要求1所述的装置，其特征在于，所述装置还包括：
    建立模块，用于当接收到大数据量业务的执行指令时，根据所述第二小区的Minimum SI获取所述第二小区的其它系统信息Other SI，并基于所述Other SI与所述第二小区建立业务连接。
  11. 一种获取Minimum SI的装置，其特征在于，所述装置包括：
    处理器；
    用于存储所述处理器可执行指令的存储器；
    其中，所述处理器用于：
    在终端处于无线资源控制连接不活跃RRC-INACTIVE状态的情况下，检测所述终端所属的小区；
    当所述终端所属的小区由第一小区变化为第二小区时，检测所述第二小区是否与所述第一小区处于同一无线控制区域RAN-based area，其中，所述同一RAN-based area中的小区的最小系统信息Minimum SI相同；
    如果所述第二小区与所述第一小区处于不同RAN-based area，则获取所述第二小区的Minimum SI。
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ZTE: "Consideration on the RAN based notification in RRC_INACTIVE", 3GPP TSG-RAN WG2 MEETING #96 R2-167848, 18 November 2016 (2016-11-18), XP051192293, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_96/Docs/> *

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