WO2019140636A1 - 小区重选方法、装置及系统 - Google Patents

小区重选方法、装置及系统 Download PDF

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Publication number
WO2019140636A1
WO2019140636A1 PCT/CN2018/073425 CN2018073425W WO2019140636A1 WO 2019140636 A1 WO2019140636 A1 WO 2019140636A1 CN 2018073425 W CN2018073425 W CN 2018073425W WO 2019140636 A1 WO2019140636 A1 WO 2019140636A1
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WO
WIPO (PCT)
Prior art keywords
cell
system information
neighboring cell
information
terminal
Prior art date
Application number
PCT/CN2018/073425
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
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
Priority to SG11202006781PA priority Critical patent/SG11202006781PA/en
Priority to CN202010423372.0A priority patent/CN111641982B/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to BR112020014362-6A priority patent/BR112020014362A2/pt
Priority to JP2020539205A priority patent/JP2021518062A/ja
Priority to KR1020207020233A priority patent/KR20200110327A/ko
Priority to AU2018403657A priority patent/AU2018403657A1/en
Priority to CA3088810A priority patent/CA3088810A1/en
Priority to PCT/CN2018/073425 priority patent/WO2019140636A1/zh
Priority to CN201880066753.9A priority patent/CN111226461A/zh
Priority to MX2020007584A priority patent/MX2020007584A/es
Priority to RU2020124436A priority patent/RU2752238C1/ru
Priority to EP18900769.3A priority patent/EP3731562B1/en
Priority to TW108101957A priority patent/TWI779158B/zh
Publication of WO2019140636A1 publication Critical patent/WO2019140636A1/zh
Priority to US16/901,106 priority patent/US11246077B2/en
Priority to US17/455,636 priority patent/US20220078688A1/en

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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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a cell reselection method, apparatus, and system.
  • a terminal in an idle state usually needs to perform procedures such as Public Land Mobile Network (PLMN) selection, cell selection/cell reselection, and location registration when accessing a cell.
  • PLMN Public Land Mobile Network
  • the cell selection/cell reselection process may enable the terminal to camp on a suitable cell.
  • the terminal needs to read the system information block (SIB) 1 of the neighboring cell, obtain the configuration information of the neighboring cell from the SIB1 of the neighboring cell, and determine the neighbor according to the configuration information of the neighboring cell. Whether the cell is a suitable cell; when the neighboring cell is a suitable cell, the cell reselection is performed in combination with the cell signal quality of the serving cell and the neighboring cell.
  • SIB system information block
  • the embodiment of the present application provides a cell reselection method, device, and system.
  • a cell reselection method comprising:
  • the terminal receives system information of the serving cell
  • the terminal acquires configuration information of a neighboring cell from the system information, where the configuration information includes information related to cell reselection;
  • the terminal performs cell reselection according to the configuration information of the neighboring cell, the signal quality of the serving cell, and the signal quality of the neighboring cell.
  • a system information sending method comprising:
  • configuration information of a neighboring cell of the serving cell where the configuration information includes information related to cell reselection
  • the access network device generates system information of the serving cell, where the system information carries configuration information of the neighboring cell;
  • the terminal is a terminal that resides in the serving cell, and the configuration information is used by the terminal to perform cell reselection.
  • a cell reselection apparatus comprising:
  • a receiving module configured to receive system information of a serving cell
  • a processing module configured to acquire configuration information of a neighboring cell from the system information, where the configuration information includes information related to cell reselection;
  • the processing module is configured to perform cell reselection according to configuration information of the neighboring cell, a signal quality of the serving cell, and a signal quality of the neighboring cell.
  • a system information transmitting apparatus comprising:
  • a processing module configured to acquire configuration information of a neighboring cell of the serving cell, where the configuration information includes information related to cell reselection;
  • the processing module is configured to generate system information of the serving cell, where the system information carries configuration information of the neighboring cell;
  • a sending module configured to send system information of the serving cell to the terminal
  • the terminal is a terminal that resides in the serving cell, and the configuration information is used by the terminal to perform cell reselection.
  • a terminal comprising a processor and a memory, the memory storing at least one instruction for execution by the processor to implement the first The cell reselection method described in the aspect.
  • an access network device comprising a processor and a memory, the memory storing at least one instruction, the at least one instruction being used by the processor Executing to implement the system information transmitting method as described in the second aspect above.
  • a computer readable storage medium storing at least one instruction for execution by a processor to implement the cell weight of the first aspect Selection method.
  • a computer readable storage medium storing at least one instruction for execution by a processor to implement the system information of the second aspect Send method.
  • a communication system comprising: a terminal and an access network device;
  • the terminal includes the device according to the third aspect, the access network device includes the device according to the fourth aspect; or the terminal is the terminal according to the fifth aspect, the access network device An access network device as described in the sixth aspect.
  • the terminal directly acquires the configuration information of the neighboring cell through the system information of the currently camped serving cell, and performs cell reselection according to the configuration information of the neighboring cell and the signal quality of the neighboring cell; the terminal can directly obtain the system information in the serving cell.
  • the configuration information of the neighboring cell does not need to listen to the system information of the neighboring cell or reduce the interception of the system information of the neighboring cell, thereby saving the computing resources and power consumption of the terminal.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an exemplary embodiment of the present application.
  • FIG. 2 is a flowchart of a cell reselection method provided by an exemplary embodiment of the present application
  • FIG. 3 is a flowchart of a cell reselection method provided by another exemplary embodiment of the present application.
  • FIG. 4 is a time domain structure diagram of an SSB provided by another exemplary embodiment of the present application.
  • FIG. 5 is a block diagram of a cell reselection apparatus according to an exemplary embodiment of the present application.
  • FIG. 6 is a block diagram of a cell reselection apparatus provided by another exemplary embodiment of the present application.
  • FIG. 7 is a structural block diagram of a terminal provided by another exemplary embodiment of the present application.
  • FIG. 8 is a structural block diagram of an access network device according to another exemplary embodiment of the present application.
  • a “module” as referred to herein generally refers to a program or instruction stored in a memory that is capable of performing certain functions;
  • "unit” as referred to herein generally refers to a functional structure that is logically divided, the "unit” It can be implemented by pure hardware or a combination of hardware and software.
  • Multiple as referred to herein means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character “/” generally indicates that the contextual object is an "or” relationship.
  • the words “first”, “second” and similar terms used in the specification and claims of the present application do not denote any order, quantity, or importance, but are merely used to distinguish different components.
  • FIG. 1 is a schematic structural diagram of a mobile communication system according to an embodiment of the present application.
  • the mobile communication system can be a 5G system, also known as an NR system.
  • the mobile communication system includes an access network device 120 and a terminal 140.
  • Access network device 120 can be a base station.
  • the base station may be a base station (gNB) employing a centralized distributed architecture in a 5G system.
  • the access network device 120 adopts a centralized distributed architecture it generally includes a central unit (CU) and at least two distributed units (DUs).
  • a centralized data unit is provided with a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, and a Media Access Control (MAC) layer protocol stack;
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • a physical (physical, PHY) layer protocol stack is provided in the unit.
  • the specific implementation manner of the access network device 120 in this embodiment of the present application is not limited.
  • the access network device may further include a home base station (Home eNB, HeNB), a relay, a pico base station Pico, and the like.
  • Access network device 120 may also be referred to as a network side device.
  • the generalized network side device further includes a core network device (not shown) located above the access network device 120.
  • the access network device 120 and the terminal 140 establish a wireless connection through the wireless air interface.
  • the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; or the wireless air interface may also be a 5G based next generation mobile communication network technology. Standard wireless air interface.
  • Terminal 140 may be a device that provides voice and/or data connectivity to a user.
  • the terminal can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal such as a mobile telephone (or "cellular" telephone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • multiple access network devices 120 and/or multiple terminals 140 may be included, and one access network device 120 and one terminal 140 are shown in FIG.
  • this embodiment does not limit this.
  • the application scenarios of the 5G system include, but are not limited to, Enhanced Mobile BroadBand (eMBB), Ultra Reliable & Low Latency Communication (URLLC), Massive Machine Type Communication (massive Machine Type Communication) , mMTC).
  • eMBB Enhanced Mobile BroadBand
  • URLLC Ultra Reliable & Low Latency Communication
  • Massive Machine Type Communication massive Machine Type Communication
  • mMTC massive Machine Type Communication
  • eMBB aims at users to obtain multimedia content, services and data, and its demand is growing rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, and rural areas, the difference in capabilities and needs is relatively large.
  • Typical applications for URLLC include: industrial automation, power automation, telemedicine operations (surgery), and traffic safety.
  • mMTC include: high connection density, small data volume, delay-insensitive service, low cost and long life of the module.
  • Synchronization signal/physical broadcast channel block SS/PBCH block, SSB: common synchronization signal (PSS), secondary synchronization signal (SSS) and physical broadcast channel (PBCH) Form an SSB.
  • PSS common synchronization signal
  • SSS secondary synchronization signal
  • PBCH physical broadcast channel
  • the SSB occupies 4 symbols in the time domain, and the frequency domain occupies a total of 240 subcarriers.
  • the SSB can also occupy resources in the time domain and/or the frequency domain in other manners, which is not limited in this embodiment.
  • Wideband carrier A carrier over a wide bandwidth.
  • Serving cell A defined cell where the terminal currently resides.
  • PCI Physical Cell Identifier
  • E-UTRAN Cell Global Identifier (ECGI): Consists of PLMN+Cell Identity, which is used to globally identify a cell in a PLMN.
  • SI System Information
  • SIB Information that is repeatedly broadcast to the terminal by the access network device, and is used to indicate that the terminal can work normally with the access network device in the cell.
  • the SIB includes: minimum system information (Mininum SI) and other system information (Other SI).
  • the minimum system information includes parameters related to when the terminal accesses the cell, and also includes scheduling information of other system information.
  • the minimum system information block is typically transmitted on the downlink control channel and other system information is transmitted on the downlink shared channel.
  • SIB Each SIB is used to transmit a certain type of cell configuration information. Typically, a cell is defined with more than 10 SIBs.
  • FIG. 2 shows a flowchart of a cell reselection method provided by an exemplary embodiment of the present application. This embodiment is exemplified by applying the cell reselection method to the terminal shown in FIG. 1.
  • the method includes:
  • Step 201 The terminal receives system information of the serving cell.
  • a serving cell is a cell in which a terminal currently camps.
  • the terminal receives system information of the currently camped serving cell.
  • Step 202 The terminal acquires configuration information of the neighboring cell from the system information.
  • the system information of the serving cell includes multiple SIBs, and some of the SIBs carry configuration information of neighboring cells.
  • the terminal acquires configuration information of the neighboring cell from the system information of the serving cell.
  • the configuration information includes information related to cell reselection.
  • the configuration information of the neighboring cell includes at least one of the following information:
  • the SSB configuration information of the broadband carrier where the neighboring cell is located optionally, the SSB configuration information includes: at least one of a frequency point location, a PCI, and an ECGI;
  • the cell prohibits access status indication.
  • Step 203 The terminal performs cell reselection according to the configuration information of the neighboring cell, the signal quality of the serving cell, and the signal quality of the neighboring cell.
  • the terminal directly acquires the configuration information of the neighboring cell through the system information of the currently camped serving cell, and performs cell reselection according to the configuration information of the neighboring cell;
  • the configuration information of the neighboring cell can be directly obtained, and the system information of the neighboring cell is not required to be monitored or the system information of the neighboring cell is reduced, thereby reducing the computing resources and power consumption of the terminal.
  • configuration information includes information related to cell reselection, and can be understood as including all or a part of information related to cell reselection, and should not be narrowly understood as only all information related to cell reselection.
  • FIG. 3 shows a flowchart of a cell reselection method provided by an exemplary embodiment of the present application. This embodiment is exemplified by applying the cell reselection method to the terminal shown in FIG. 1.
  • the method includes:
  • Step 301 The access network device acquires configuration information of a neighboring cell of the serving cell.
  • the serving cell is the cell in which the terminal currently resides.
  • the access network device acquires configuration information of the neighboring cell from the core network device; and/or, the access network device acquires configuration information of the neighboring cell from the other access network device.
  • the configuration information includes information related to cell reselection.
  • the configuration information of the neighboring cell includes at least one of the following information: all or part of the SSB configuration information of the broadband carrier where the neighboring cell is located, the PLMN, the tracking area, the maximum allowed uplink transmit power, and the cell forbidden access status indication.
  • Step 302 The access network device generates system information of the serving cell, where the system information carries configuration information of the neighboring cell.
  • the system information includes minimum system information and other system information.
  • the minimum system information carries scheduling information of other system information; the target SIB in other system information carries configuration information of the neighboring cell.
  • the target SIB includes: at least one of SIB3, SIB4, SIB5, SIB6, SIB7, and SIB8.
  • the configuration information of the foregoing neighboring cells may be all carried in the same SIB, or may be distributed and transmitted in different SIBs.
  • Step 303 The access network device sends system information of the serving cell to the terminal.
  • the access network device sends system information of the serving cell to the terminal.
  • the access network device sends the SSB of the serving cell to the terminal, where the SSB includes the PSS, the SSS, and the PBCH.
  • one SSB is composed of four Orthogonal Frequency-Division Multiplexing (OFDM) symbols, and the symbols are numbered from 0 to 3 in the SSB.
  • OFDM Orthogonal Frequency-Division Multiplexing
  • the Demodulation Reference Signal (DM-RS) of the PSS, SSS, PBCH, and PBCH occupy different symbols.
  • the DM-RS is not directly shown in FIG.
  • one SSB In the frequency domain, one SSB consists of 240 consecutive subcarriers, and the subcarriers are numbered sequentially from 0 to 239 within the SSB. If k and l are used, respectively, the frequency domain index and the time domain index in the SSB are represented.
  • Subcarrier 0 of SSB corresponds to common resource block Subcarrier k 0 , where Obtained by the high-level parameter offset-ref-low-scs-ref-PRB.
  • Any common resource block that partially or completely overlaps with the SSB should be considered occupied and not used for PDSCH or PDCCH transmission.
  • the UE may assume that resource particles not used for SS/PBCH transmission, set a portion of the partially overlapping common resources to zero.
  • -PSS, SSS and PBCH have the same CP length and subcarrier spacing
  • the access network device also sends minimum system information to the terminal through a Physical Downlink Control Channel (PDCCH).
  • the access network device also sends other system information to the terminal through a Physical Downlink Shared Channel (PDSCH).
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the access network device sends first scheduling information of the minimum system information in the PBCH channel; the access network device sends second scheduling information of other system information in the minimum system information.
  • the other system information includes the target SIB, and the target SIB carries the configuration information of the neighboring cell.
  • Step 304 The terminal receives system information of the serving cell.
  • a serving cell is a cell in which a terminal currently camps.
  • the terminal receives system information of the currently camped serving cell.
  • the step includes the following substeps:
  • the terminal In the process of accessing the serving cell, the terminal has obtained uplink/downlink synchronization with the serving cell through the PSS and the SSS. After the downlink synchronization, the terminal receives the PBCH of the serving cell according to the slot structure shown in FIG. 4, and acquires the first scheduling information of the minimum system from the PBCH.
  • the minimum system information is carried in the PDCCH.
  • the terminal receives the minimum system information in the PDCCH according to the first scheduling information.
  • the minimum system information carries second scheduling information of all other system information.
  • the other system information includes a plurality of SIBs, and the transmission locations and transmission periods of each SIB may be the same or different.
  • the one or more target SIBs exist in the multiple SIBs, and the target SIB carries the configuration information of the neighboring cells.
  • the terminal receives the target SIB according to the second scheduling information of the other system information. That is, the terminal does not need to receive all the SIBs in other system information, and only needs to selectively receive a part of the SIB according to actual needs. This part of the SIB includes the target SIB.
  • the terminal receives the target SIB in the PDSCH according to the second scheduling information.
  • Step 305 The terminal acquires configuration information of the neighboring cell from the system information.
  • the terminal acquires configuration information of the neighboring cell from the target SIB.
  • the configuration information of the neighboring cell includes at least one of the following information:
  • the SSB configuration information of the broadband carrier where the neighboring cell is located optionally, the SSB configuration information includes: at least one of a frequency point location, a PCI, and an ECGI;
  • the maximum allowed uplink transmit power P max The maximum allowed uplink transmit power
  • the cell prohibits access status indication.
  • Step 306 The terminal determines, according to the configuration information of the neighboring cell and the signal quality of the neighboring cell, whether the neighboring cell is a suitable candidate neighboring cell.
  • the neighboring cell is not necessarily a suitable cell that the current terminal can access and use.
  • the terminal determines, according to the configuration information of the neighboring cell and the signal quality of the neighboring cell, whether the neighboring cell is a suitable candidate neighboring cell.
  • the signal quality of the neighboring cell is obtained by measuring, by the terminal, the reference signal of the neighboring cell.
  • the signal quality is represented by Reference Signal Received Power (RSRP).
  • RSRP Reference Signal Received Power
  • the terminal determines, according to the configuration information of the neighboring cell, whether the neighboring cell satisfies the first condition, and determines whether the neighboring cell satisfies the second condition according to the signal quality of the neighboring cell; and determines, when the neighboring cell satisfies the first condition and the second condition at the same time, determining The neighboring cell is a suitable candidate neighboring cell; when the neighboring cell does not satisfy any of the first condition and the second condition, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the order in which the terminal determines the first condition and the second condition is not limited in the embodiment of the present application.
  • the second condition is an S criterion when the cell is reselected.
  • the at least one of the frequency point configuration, the cell type, the PLMN, and the TA of the neighboring cell meets the preset candidate condition, and the signal quality of the neighboring cell meets the S criterion of the cell reselection, determining that the neighboring cell is suitable.
  • Candidate neighborhood The at least one of the frequency point configuration, the cell type, the PLMN, and the TA of the neighboring cell meets the preset candidate condition, and the signal quality of the neighboring cell meets the S criterion of the cell reselection, determining that the neighboring cell is suitable.
  • Step 307 When the neighboring cell is a suitable candidate neighboring cell, perform cell reselection according to the signal quality of the serving cell and the signal quality of the neighboring cell.
  • the signal quality of the serving cell is measured by the terminal to the reference signal of the serving cell
  • the signal quality of the neighboring cell is measured by the terminal to the reference signal of the neighboring cell.
  • the signal quality is represented by Reference Signal Received Power (RSRP).
  • the terminal When the neighboring cell is a suitable candidate neighboring cell, the terminal performs cell reselection according to the signal quality of the serving cell and the neighboring cell.
  • the terminal when the neighboring cell is a suitable candidate neighboring cell, the terminal performs cell reselection according to the reselection priority and signal quality of the serving cell and the neighboring cell.
  • the reselection priority is pre-configured by the access network device, and the access network device may set a response weight for each neighboring cell according to factors such as whether the serving cell and the neighboring cell belong to the same-frequency cell and belong to the inter-frequency cell. Choose a priority. This embodiment does not limit the setting manner of the reselection priority.
  • Step 308 When the neighboring cell is not a suitable candidate neighboring cell, the neighboring cell is ignored.
  • the terminal may ignore the neighboring cell.
  • the terminal directly acquires the configuration information of the neighboring cell through the system information of the currently camped serving cell, and performs cell reselection according to the configuration information of the neighboring cell;
  • the system information of the cell can directly obtain the configuration information of the neighboring cell, and does not need to listen to the system information of the neighboring cell or reduce the interception of the system information of the neighboring cell, thereby saving the computing resources and power consumption of the terminal.
  • the configuration information of the neighboring cell includes all SSB configuration information of the broadband carrier where the neighboring cell is located.
  • the terminal may include at least one of the following steps when determining whether the neighboring cell satisfies the first condition according to the configuration information of the neighboring cell:
  • the terminal acquires the frequency point configuration of the neighboring cell according to the SSB configuration information of the broadband carrier where the neighboring cell is located; determines whether to support the frequency of the neighboring cell according to the frequency point configuration; if the frequency of the neighboring cell is supported, determines the neighboring cell as a suitable candidate The neighboring cell, or combining other configuration information, continues to determine whether the neighboring cell is a suitable candidate neighboring cell; if the frequency of the neighboring cell is not supported, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the terminal acquires the cell identity of the neighboring cell according to the SSB configuration information of the broadband carrier where the neighboring cell is located; determines the neighboring cell as the forbidden cell according to the cell identity of the neighboring cell; and determines the neighboring cell if the neighboring cell is not the forbidden cell If it is a suitable candidate neighboring cell, or in combination with other configuration information, whether the neighboring cell is a suitable candidate neighboring cell is continuously determined; if the neighboring cell is a forbidden cell, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the process of using the foregoing SSB configuration information is only a schematic description.
  • the embodiment of the present application does not limit how the terminal determines whether the neighboring cell satisfies the first condition according to the SSB configuration information of the neighboring cell.
  • the configuration information of the neighboring cell includes the PLMN.
  • the terminal may include at least one of the following steps when determining whether the neighboring cell satisfies the first condition according to the configuration information of the neighboring cell:
  • the neighboring cell may be combined with other configuration information to determine whether the neighboring cell is a suitable candidate neighboring cell. Continue to judge.
  • the PLMN of the neighboring cell belongs to the Home PLMN (HPLMN) or the Equivalent Home PLMN (EHPLMN); if the PLMN of the neighboring cell belongs to the HPLMN or EHPLMN, it is determined that the neighboring cell is a suitable candidate neighboring area or If the neighboring cell does not belong to the HPLMN or the EHPLMN, the neighboring cell is not a suitable candidate neighboring cell, or is combined with other configuration information to determine whether the neighboring cell is The appropriate candidate neighborhoods continue to make judgments.
  • HPLMN Home PLMN
  • EHPLMN Equivalent Home PLMN
  • the PLMN of the neighboring cell belongs to the Home PLMN (HPLMN) or the Equivalent Home PLMN (EHPLMN); if the PLMN of the neighboring cell belongs to the HPLMN or EHPLMN, it is determined that the neighboring cell is a suitable candidate neighboring area or If the neighboring cell does not belong to the HPLMN or the EHPLMN, the neighboring cell is not a suitable candidate neighboring cell, or is combined with other configuration information to determine whether the neighboring cell is The appropriate candidate neighborhoods continue to make judgments.
  • HPLMN Home PLMN
  • EHPLMN Equivalent Home PLMN
  • the terminal determines whether the PLMN of the neighboring cell does not belong to the forbidden PLMN (FLMN); if the PLMN of the neighboring cell does not belong to the FPLMN, it is determined whether the neighboring cell is a suitable candidate neighboring cell or whether the neighboring cell is suitable according to other configuration information.
  • the candidate neighboring cell performs the continuation judgment; if the PLMN of the neighboring cell belongs to the FPLMN, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the terminal determines whether the PLMN of the neighboring cell does not belong to the forbidden PLMN (FLMN); if the PLMN of the neighboring cell does not belong to the FPLMN, it is determined whether the neighboring cell is a suitable candidate neighboring cell or whether the neighboring cell is suitable according to other configuration information.
  • the candidate neighboring cell performs the continuation judgment; if the PLMN of the neighboring cell belongs to the FPLMN, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the terminal determines whether the priority of the PLMN of the neighboring cell reaches a preset condition according to a preset priority order; if the priority of the PLMN of the neighboring cell reaches a preset condition, determining that the neighboring cell is a suitable candidate neighboring zone; If the priority of the PLMN does not reach the preset condition, it is determined that the neighbor cell is not a suitable candidate neighbor.
  • the preset priority order may be a User Controlled PLMN (UPLMN) priority or an Operation Controlled PLMN priority.
  • the above-mentioned PLMN selection policy is only a schematic description.
  • the embodiment of the present application does not limit how the terminal determines whether the neighboring cell satisfies the first condition according to the PLMN of the neighboring cell.
  • the configuration information of the neighboring cell includes the TA.
  • the terminal may include at least one of the following steps when determining whether the neighboring cell satisfies the first condition according to the configuration information of the neighboring cell:
  • the terminal determines whether the TA of the neighboring cell and the TA of the serving cell belong to the same TA list; if the TA of the neighboring cell and the TA of the serving cell belong to the same TA list, it is determined that the neighboring cell is a suitable candidate neighboring cell, or combined with other configurations
  • the information continues to determine whether the neighboring cell is a suitable candidate neighboring cell; if the TA of the neighboring cell belongs to the disabled TA, it is determined that the neighboring cell is not a suitable candidate neighboring cell.
  • the foregoing TA selection policy is only a schematic description.
  • the embodiment of the present application does not limit how the terminal determines whether the neighboring cell satisfies the first condition according to the TA of the neighboring cell.
  • the configuration information of the neighboring cell includes the maximum allowed uplink transmit power P max .
  • the determining, by the terminal, whether the neighboring cell meets the first condition according to the configuration information of the neighboring cell may include the following steps:
  • the preset condition is based on a condition determined by an S criterion related to cell selection/reselection.
  • P max selection policy is only a schematic description.
  • the embodiment of the present application does not limit how the terminal determines whether the neighboring cell satisfies the first condition according to the P max of the neighboring cell.
  • the configuration information of the neighboring cell includes: a cell barring access state indication.
  • the determining, by the terminal, whether the neighboring cell meets the first condition according to the configuration information of the neighboring cell may include the following steps:
  • the selection policy of the foregoing cell forbidding the access state is only a schematic description.
  • the embodiment of the present application does not limit whether the terminal determines whether the neighboring cell satisfies the first condition according to the cell forbidden access state of the neighboring cell.
  • the terminal may further determine whether the neighboring cell satisfies the first condition by using at least two types of information in the configuration information of the neighboring cell, which is easily considered by those skilled in the art in combination with the above-disclosed content. This article will not go into details.
  • FIG. 5 shows a block diagram of a cell reselection apparatus provided by an exemplary embodiment of the present application.
  • the device can be implemented as all or part of the terminal by software, hardware or a combination of both.
  • the device includes:
  • the receiving module 520 is configured to receive system information of the serving cell.
  • the processing module 540 is configured to acquire configuration information of the neighboring cell from the system information, where the configuration information includes information related to cell reselection;
  • the processing module 540 is configured to perform cell reselection according to configuration information of the neighboring cell, a signal quality of the serving cell, and a signal quality of the neighboring cell.
  • the configuration information of the neighboring cell includes at least one of the following information:
  • Synchronization signal block configuration information of the broadband carrier where the neighboring cell is located
  • the cell prohibits access status indication.
  • the synchronization signal block configuration information includes at least one of a frequency point location, a physical cell identifier, and a cell global identification code.
  • the processing module 540 is configured to determine first scheduling information of the minimum system information by using a physical broadcast channel of the serving cell, where the processing module 540 is configured to perform according to the first scheduling The information is received by the minimum system information; the processing module 540 is configured to determine second scheduling information of other system information by using the minimum system information; and the processing module 540 is configured to receive the target system according to the second scheduling information.
  • the target system information block includes at least one of a system information block 3, a system information block 4, a system information block 5, a system information block 6, a system information block 7, and a system information block 8. .
  • the processing module 540 is configured to determine, according to the configuration information of the neighboring cell and the signal quality of the neighboring cell, whether the neighboring cell is a suitable candidate neighboring cell; the processing module 540. When the neighboring cell is a suitable candidate neighboring cell, performing cell reselection according to a signal quality of the serving cell and a signal quality of the neighboring cell.
  • FIG. 6 shows a block diagram of a cell reselection apparatus provided by an exemplary embodiment of the present application.
  • the device can be implemented as all or part of the terminal by software, hardware or a combination of both.
  • the device includes:
  • the processing module 620 is configured to acquire configuration information of a neighboring cell of the serving cell, where the configuration information includes information related to cell reselection;
  • the processing module 620 is configured to generate system information of the serving cell, where the system information carries configuration information of the neighboring cell;
  • the sending module 640 is configured to send system information of the serving cell to the terminal;
  • the terminal is a terminal that resides in the serving cell, and the configuration information is used by the terminal to perform cell reselection.
  • the configuration information of the neighboring cell includes at least one of the following information:
  • Synchronization signal block configuration information of the broadband carrier where the neighboring cell is located
  • the cell prohibits access status indication.
  • the synchronization signal block configuration information includes at least one of a frequency point location, a physical cell identifier, and a cell global identification code.
  • system information includes: minimum system information and other system information
  • the minimum system information carries scheduling information of the other system information
  • the target system information block in the other system information carries configuration information of the neighboring cell.
  • the target system information block includes at least one of a system information block 3, a system information block 4, a system information block 5, a system information block 6, a system information block 7, and a system information block 8. .
  • FIG. 7 is a schematic structural diagram of a terminal provided by an exemplary embodiment of the present application.
  • the terminal includes: a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 , and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 can be implemented as a communication component, which can be a communication chip.
  • the memory 104 is coupled to the processor 101 via a bus 105.
  • the memory 104 is operative to store at least one instruction, and the processor 101 is configured to execute the at least one instruction to implement various steps performed by the terminal in the above method embodiment.
  • memory 104 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, including, but not limited to, a magnetic or optical disk, electrically erasable and programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Anytime Access Memory (SRAM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Programmable Read Only Memory (PROM) .
  • EEPROM electrically erasable and programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Anytime Access Memory
  • ROM Read Only Memory
  • Magnetic Memory Magnetic Memory
  • Flash Memory Programmable Read Only Memory
  • FIG. 8 is a schematic structural diagram of an access network device provided by an exemplary embodiment of the present application.
  • the access network device includes: a processor 111 , a receiver 112 , a transmitter 113 , a memory 114 , and a bus 115 . .
  • the processor 111 includes one or more processing cores, and the processor 111 executes various functional applications and information processing by running software programs and modules.
  • Receiver 112 and transmitter 113 can be implemented as a communication component, which can be a communication chip.
  • the memory 114 is coupled to the processor 111 via a bus 115.
  • the memory 114 can be used to store at least one instruction, and the processor 111 is configured to execute the at least one instruction to implement various steps performed by the access network device in the foregoing method embodiment.
  • memory 114 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, including, but not limited to, a magnetic or optical disk, electrically erasable and programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Anytime Access Memory (SRAM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Programmable Read Only Memory (PROM) .
  • EEPROM electrically erasable and programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Anytime Access Memory
  • ROM Read Only Memory
  • Magnetic Memory Magnetic Memory
  • Flash Memory Programmable Read Only Memory
  • the present application provides a computer readable storage medium having at least one instruction stored therein, the at least one instruction being loaded and executed by the processor to implement the cell reselection method provided by the foregoing method embodiments and / or system information transmission method.
  • the present application also provides a computer program product that, when executed on a computer, causes the computer to perform the cell reselection method and/or the system information transmission method provided by the various method embodiments described above.
  • the functions described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

Abstract

本申请实施例提供了一种小区重选方法、装置及系统，涉及通信领域，所述方法包括：终端接收服务小区的系统信息；所述终端从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；所述终端根据所述邻小区的配置信息、所述服务小区的信号质量及所述邻小区的信号质量进行小区重选。由于终端在服务小区的系统信息中就可以直接获取到邻小区的配置信息，不需要侦听邻小区的系统信息或减少了对邻小区的系统信息的侦听，从而节省了终端的计算资源和电量消耗。

Description

小区重选方法、装置及系统 技术领域
本申请实施例涉及通信领域，特别涉及一种小区重选方法、装置及系统。
背景技术
空闲(idle)状态下的终端在接入小区时通常需要执行公共陆地移动网络(Public Land Mobile Network，PLMN)选择、小区选择/小区重选和位置登记等过程。其中，小区选择/小区重选过程可以使得终端驻留到合适的小区。
在相关技术的小区重选过程中，终端需要读取邻小区的系统信息块(System Information Block，SIB)1，从邻小区的SIB1中获取邻小区的配置信息，根据邻小区的配置信息确定邻小区是否为合适小区；当邻小区是合适小区时，结合服务小区和邻小区的小区信号质量来进行小区重选。
发明内容
本申请实施例提供了一种小区重选方法、装置及系统。
根据本申请的第一方面，提供了一种小区重选方法，所述方法包括：
终端接收服务小区的系统信息；
所述终端从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述终端根据所述邻小区的配置信息、所述服务小区的信号质量及所述邻小区的信号质量进行小区重选。
根据本申请的第二方面，提供了一种系统信息发送方法，所述方法包括：
接入网设备获取服务小区的邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述接入网设备生成所述服务小区的系统信息，所述系统信息携带有所述邻小区的配置信息；
所述接入网设备向终端发送所述服务小区的系统信息；
其中，所述终端是驻留在所述服务小区的终端，所述配置信息用于供所述终端进行小区重选。
根据本申请的第三方面，提供了一种小区重选装置，所述装置包括：
接收模块，用于接收服务小区的系统信息；
处理模块，用于从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述处理模块，用于根据所述邻小区的配置信息、所述服务小区的信号质量和所述邻小区的信号质量进行小区重选。
根据本申请的第四方面，提供了一种系统信息发送装置，所述装置包括：
处理模块，用于获取服务小区的邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述处理模块，用于生成所述服务小区的系统信息，所述系统信息携带有所述邻小区的配置信息；
发送模块，用于向终端发送所述服务小区的系统信息；
其中，所述终端是驻留在所述服务小区的终端，所述配置信息用于供所述终端进行小区重选。
根据本申请的第五方面，提供了一种终端，所述终端包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现如上第一方面所述的小区重选方法。
根据本申请的第六方面，提供了一种接入网设备，所述接入网设备包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现如上第二方面所述的系统信息发送方法。
根据本申请的第七方面，提供了一种计算机可读存储介质，所述存储介质存储有至少一条指令，所述至少一条指令用于被处理器执行以实现上第一方面所述的小区重选方法。
根据本申请的第八方面，提供了一种计算机可读存储介质，所述存储介质存储有至少一条指令，所述至少一条指令用于被处理器执行以实现上第二方面所述的系统信息发送方法。
根据本申请的第九方面，提供了一种通信系统，所述系统包括：终端和接入网设备；
所述终端包括如第三方面所述的装置，所述接入网设备包括如第四方面所述的装置；或，所述终端是如第五方面所述的终端，所述接入网设备是如第六方面所述的接入网设备。
本申请实施例提供的技术方案的有益效果是：
终端通过当前驻留的服务小区的系统信息，直接获取邻小区的配置信息，根据邻小区的配置信息和邻小区的信号质量进行小区重选；由于终端在服务小区的系统信息中就可以直接获取到邻小区的配置信息，不需要侦听邻小区的系统信息或减少了对邻小区的系统信息的侦听，从而节省了终端的计算资源和电量消耗。
附图说明
为了更清楚地说明本申请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申请的一些实施例，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是本申请一个示意性实施例提供的移动通信系统的结构示意图；
图2是本申请一个示意性实施例提供的小区重选方法的流程图；
图3是本申请另一个示意性实施例提供的小区重选方法的流程图；
图4是本申请另一个示意性实施例提供的SSB的时域结构图；
图5是本申请一个示意性实施例提供的小区重选装置的框图；
图6是本申请另一个示意性实施例提供的小区重选装置的框图；
图7是本申请另一个示意性实施例提供的终端的结构方框图；
图8是本申请另一个示意性实施例提供的接入网设备的结构方框图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
在本文提及的“模块”通常是指存储在存储器中的能够实现某些功能的程序或指令；在本文中提及的“单元”通常是指按照逻辑划分的功能性结构，该“单元”可以由纯硬件实现，或者，软硬件的结合实现。
在本文中提及的“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。本申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组 成部分。
请参考图1，其示出了本申请一个实施例提供的移动通信系统的结构示意图。该移动通信系统可以是5G系统，又称NR系统。该移动通信系统包括：接入网设备120和终端140。
接入网设备120可以是基站。例如，基站可以是5G系统中采用集中分布式架构的基站(gNB)。当接入网设备120采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本申请实施例对接入网设备120的具体实现方式不加以限定。可选地，接入网设备还可以包括家庭基站(Home eNB，HeNB)、中继(Relay)、微微基站Pico等。接入网设备120还可以称为网络侧设备。广义的网络侧设备还包括位于接入网设备120上层的核心网设备(图中未示出)。
接入网设备120和终端140通过无线空口建立无线连接。可选地，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
终端140可以是指向用户提供语音和/或数据连通性的设备。终端可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，终端140可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机。
需要说明的是，在图1所示的移动通信系统中，可以包括多个接入网设备120和/或多个终端140，图1中以示出一个接入网设备120和一个终端140来举例说明，但本实施例对此不作限定。
可选地，5G系统的应用场景包括但不限于：增强移动宽带(enhanced Mobile BroadBand，eMBB)、低时延高可靠通信(Ultra Reliable&Low Latency Communication，URLLC)、大规模机器类通信(massive Machine Type Communication，mMTC)。
其中，eMBB以用户获得多媒体内容、服务和数据为目标，其需求增长迅 速。另一方面，由于eMBB可能部署在不同的场景中，便如室内，市区，农村等，其能力和需求的差别也比较大。URLLC的典型应用包括：工业自动化，电力自动化，远程医疗操作(手术)，交通安全保障等。mMTC的特点包括：高连接密度，小数据量，时延不敏感业务，模块的低成本和长使用寿命等。
在5G系统早期部署时，完整的5G系统覆盖很难实现，所以典型的网络覆盖是广域的长期演进技术(Long Term Evolution，LTE)系统的覆盖和NR系统的孤岛覆盖模式。而且大量的LTE部署在6GHz以下，可用于5G的6GHz以下频谱很少。所以NR系统需要研究6GHz以上的频谱应用，而高频段覆盖有限、信号衰落快。同时为了保护移动运营商前期在LTE投资，提出了LTE系统和NR系统之间紧密的交互工作(tight interworking)的工作模式。
首先对本申请涉及的若干个名词进行简介：
同步信号/物理广播信道块(SS/PBCH block，SSB)：由主同步信号(Primary Synchronization Signal，PSS)、辅同步信号(Secondary Synchronization Signal，SSS)和物理广播信道(Physical Broadcast Channel，PBCH)共同构成一个SSB。典型的，SSB在时域上共占用4个符号，频域共占用240个子载波。当然，SSB也可以以其它方式占用时域和/或频域上的资源，本实施例对此不作限定。
宽带载波(Wideband carrier)：在较宽的宽带上的载波。
服务小区：终端当前驻留的定义小区。
物理小区标识(Physical Cell Identifier，PCI)：用于区分不同小区的无线信号。典型的，移动通信系统提供504个PCI。
小区全局标识符(E-UTRAN Cell Global Identifier，ECGI)：由PLMN+Cell Identity组成，用于在PLMN中全局标识一个小区。
系统信息(System Information，SI)：由接入网设备重复性地向终端广播的信息，用于指示终端能够在小区内正常地与接入网设备协同工作。可选地，SIB包括：最小系统信息(Mininum SI)和其它系统信息(Other SI)。最小系统信息包括与终端接入小区时有关的参数，还包括其它系统信息的调度信息。通常，最小系统信息块通常在下行控制信道上传输，其它系统信息在下行共享信道上传输。
SIB：每个SIB用于传输某一种类型的小区配置信息。典型的，一个小区定义有10多个SIB。
请参考图2，其示出了本申请一个示例性实施例提供的小区重选方法的流程图。本实施例以该小区重选方法应用于图1所示的终端中来举例说明。该方法包括：
步骤201，终端接收服务小区的系统信息；
服务小区是终端当前驻留的小区。终端接收当前驻留的服务小区的系统信息。
步骤202，终端从系统信息中获取邻小区的配置信息；
服务小区的系统信息包括多个SIB，存在一部分SIB携带有邻小区的配置信息。终端从服务小区的系统信息中获取邻小区的配置信息。该配置信息包括与小区重选有关的信息。
可选地，邻小区的配置信息包括如下信息中的至少一种：
邻小区所在宽带载波的SSB配置信息；可选地，SSB配置信息包括：频点位置、PCI和ECGI中的至少一种；
公共陆地移动网络列表；
跟踪区(Tracking Area，TA)；
允许的最大上行发射功率；
小区禁止接入状态指示。
步骤203，终端根据邻小区的配置信息、服务小区的信号质量和邻小区的信号质量进行小区重选。
综上所述，本实施例提供的方法，终端通过当前驻留的服务小区的系统信息，直接获取邻小区的配置信息，根据邻小区的配置信息进行小区重选；由于终端在服务小区的系统信息中就可以直接获取到邻小区的配置信息，不需要侦听邻小区的系统信息或减少了对邻小区的系统信息的侦听，从而节省了终端的计算资源和电量消耗。
需要说明的是，上述配置信息包括与小区重选有关的信息，可以理解为包括与小区重选有关的全部或一部分信息，而不应狭义地只理解为与小区重选有关的所有信息。
请参考图3，其示出了本申请一个示例性实施例提供的小区重选方法的流程图。本实施例以该小区重选方法应用于图1所示的终端中来举例说明。该方 法包括：
步骤301，接入网设备获取服务小区的邻小区的配置信息；
服务小区是终端当前所驻留的小区。
可选地，接入网设备从核心网设备获取邻小区的配置信息；和/或，接入网设备从其它接入网设备获取邻小区的配置信息。该配置信息包括与小区重选有关的信息。
可选地，邻小区的配置信息包括如下信息中的至少一种：邻小区所在宽带载波的全部或部分SSB配置信息、PLMN、跟踪区、允许的最大上行发射功率、小区禁止接入状态指示。
步骤302，接入网设备生成服务小区的系统信息，系统信息携带有邻小区的配置信息；
可选地，系统信息包括最小系统信息和其它系统信息。最小系统信息携带有其它系统信息的调度信息；其它系统信息中的目标SIB携带有邻小区的配置信息。
可选地，目标SIB包括：SIB3、SIB4、SIB5、SIB6、SIB7、SIB8中的至少一个SIB。上述邻小区的配置信息可以全部承载在同一个SIB中传输，也可以分散承载在不同的SIB中传输。
步骤303，接入网设备向终端发送服务小区的系统信息；
接入网设备向终端发送服务小区的系统信息。
可选地，接入网设备向终端发送服务小区的SSB，该SSB包括PSS、SSS和PBCH。
示意性的参考图4，其示出了SSB的一种可能的时域结构。
在时域上，1个SSB由4个正交频分复用技术(Orthogonal Frequency-Division Multiplexing，OFDM)符号组成，符号在SSB内从0到3增序编号。如图4所示，PSS、SSS、PBCH及PBCH的解调参考信号(Demodulation Reference Signal，DM-RS)占用不同的符号。图4中未直接示出DM-RS。
在频域上，1个SSB由240个连续子载波组成，子载波在SSB内从0到239增序编号。若采用k和l分别表示SSB内的频域索引和时域索引。SSB的子载波0对应于公共资源块
Figure PCTCN2018073425-appb-000001
的子载波k 0，其中
Figure PCTCN2018073425-appb-000002
由高层参数offset-ref-low-scs-ref-PRB得到。
与SSB部分或完全重叠的任何公共资源块应当视为被占用，并且不被用于PDSCH或PDCCH传输。UE可假定不用于SS/PBCH传输的资源粒子，将部分重叠的公共资源的一部分设置为零。
对于SSB，应假定：
-天线端口p＝4000，
-PSS、SSS和PBCH具有相同的CP长度和子载波间隔，
-对于SSB type A，k 0∈{0,1,2,…,23}k0∈{0,1,2,…,23}，k0∈{0,1,2,…,23}k0∈{0,1,2,…,23}，
Figure PCTCN2018073425-appb-000003
是就15kHz子载波间隔而言的表示，
-对于SSB type B，k 0∈{0,1,2,…,11}k0∈{0,1,2,…,11}，μ∈{3,4}μ∈{3,4}，
Figure PCTCN2018073425-appb-000004
是就60kHz子载波间隔而言的表示。
接入网设备还通过物理下行控制信道(Physical Downlink Control Channel，PDCCH)向终端发送最小系统信息；接入网设备还通过物理下行共享信道(Physical Downlink Shared Channel，PDSCH)向终端发送其它系统信息。
可选地，接入网设备在PBCH信道中发送最小系统信息的第一调度信息；接入网设备在最小系统信息中发送其它系统信息的第二调度信息。
其中，其它系统信息包括目标SIB，目标SIB携带有邻小区的配置信息。
步骤304，终端接收服务小区的系统信息；
服务小区是终端当前驻留的小区。终端接收当前驻留的服务小区的系统信息。
可选地，本步骤包括如下子步骤：
304a，通过服务小区的PBCH确定最小系统信息的第一调度信息；
终端在接入服务小区的过程中，已经通过PSS和SSS与服务小区得到上/下行同步。在下行同步后，终端按照图4所示的时隙结构，接收服务小区的PBCH，从PBCH中获取最小系统的第一调度信息。
304b，根据第一调度信息接收最小系统信息；
可选地，最小系统信息携带在PDCCH中。终端根据第一调度信息接收PDCCH中的最小系统信息。
304c，通过最小系统信息确定其它系统信息的第二调度信息；
可选地，最小系统信息携带有所有其它系统信息的第二调度信息。其它系统信息包括多个SIB，每个SIB的发送位置和发送周期可以是相同或不同的。
其中，多个SIB中存在一个或多个目标SIB，目标SIB携带有邻小区的配 置信息。
304d，根据第二调度信息接收目标SIB。
可选地，终端根据其它系统信息的第二调度信息接收目标SIB。也即，终端不需要接收其它系统信息中的所有SIB，只需要根据实际需求有选择性地接收一部分SIB即可。该一部分SIB包括目标SIB。
可选地，终端根据第二调度信息在PDSCH中接收目标SIB。
步骤305，终端从系统信息中获取邻小区的配置信息；
终端从目标SIB中获取邻小区的配置信息。
可选地，邻小区的配置信息包括如下信息中的至少一种：
邻小区所在宽带载波的SSB配置信息；可选地，SSB配置信息包括：频点位置、PCI和ECGI中的至少一种；
PLMN；
跟踪区(Tracking Area，TA)；
允许的最大上行发射功率P max；
小区禁止接入状态指示。
步骤306，终端根据邻小区的配置信息和邻小区的信号质量确定邻小区是否为合适的候选邻区；
由于每个终端的能力不同，不同的小区所提供的接入参数和服务也不同，所以邻小区并不一定是当前终端能够接入并使用的合适小区。
可选地，终端根据上述邻小区的配置信息和邻小区的信号质量来确定邻小区是否为合适的候选邻区。
可选地，邻小区的信号质量由终端对邻小区的参考信号进行测量得到。在一个可能的实施方式中，信号质量采用参考信号接收功率(Reference Signal Received Power，RSRP)来表示。
可选地，终端根据邻小区的配置信息确定邻小区是否满足第一条件；根据邻小区的信号质量确定邻小区是否满足第二条件；当邻小区同时满足第一条件和第二条件时，确定邻小区是合适的候选邻区；当邻小区不满足第一条件和第二条件中的任一条件时，确定邻小区不是合适的候选邻区。本申请实施例对终端判断第一条件和第二条件的先后顺序不加以限定。
可选地，第二条件是小区重选时的S准则。
终端在邻小区的频点配置、小区类型、PLMN和TA中的至少一项信息符 合预设候选条件，且邻小区的信号质量符合小区重选时的S准则时，确定该邻小区是合适的候选邻区。
步骤307，当邻小区是合适的候选邻区时，根据服务小区的信号质量和邻小区的信号质量进行小区重选。
可选地，服务小区的信号质量由终端对服务小区的参考信号进行测量得到，邻小区的信号质量由终端对邻小区的参考信号进行测量得到。在一个可能的实施方式中，信号质量采用参考信号接收功率(Reference Signal Received Power，RSRP)来表示。
当邻小区是合适的候选邻区时，终端根据服务小区和邻小区的信号质量进行小区重选。
可选地，当邻小区是合适的候选邻区时，终端还根据服务小区和邻小区的重选优先级和信号质量进行小区重选。
可选地，重选优先级由接入网设备预先配置，接入网设备可以根据服务小区和邻小区是否属于同频小区、是否属于异频小区等因素，为每个邻小区设置响应的重选优先级。本实施例对重选优先级的设置方式不加以限定。
步骤308，当邻小区不是合适的候选邻区时，忽略该邻小区。
可选地，当邻小区不是合适的候选邻区时，终端可以忽略该邻小区。
综上所述，本实施例提供的小区重选方法，终端通过当前驻留的服务小区的系统信息，直接获取邻小区的配置信息，根据邻小区的配置信息进行小区重选；由于终端在服务小区的系统信息中就可以直接获取到邻小区的配置信息，不需要侦听邻小区的系统信息或减少了对邻小区的系统信息的侦听，从而节省了终端的计算资源和电量消耗。
在基于上述步骤306提供的可选技术方案中，邻小区的配置信息包括有邻小区所在宽带载波的所有SSB配置信息。终端在根据邻小区的配置信息确定邻小区是否满足第一条件时，可以包括如下步骤中的至少一个：
-终端根据邻小区所在宽带载波的SSB配置信息获取邻小区的频点配置；根据该频点配置判断是否支持邻小区的频点；若支持邻小区的频点，则确定邻小区为合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若不支持邻小区的频点，则确定邻小区不是合适的候选邻区。
-终端根据邻小区所在宽带载波的SSB配置信息获取邻小区的小区标识； 根据该邻小区的小区标识确定该邻小区是被禁止的小区；若该邻小区不是被禁止的小区，则确定邻小区为合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若该邻小区是被禁止的小区，则确定该邻小区不是合适的候选邻区。
需要说明的是，上述SSB配置信息的使用过程仅为示意性说明，本申请实施例对终端如何根据邻小区的SSB配置信息确定邻小区是否满足第一条件不加以限定。
在基于上述步骤306提供的可选技术方案中，邻小区的配置信息包括有PLMN。终端在根据邻小区的配置信息确定邻小区是否满足第一条件时，可以包括如下步骤中的至少一个：
-终端判断邻小区的PLMN是否为上一次开机或脱离小区之前注册的PLMN；若邻小区的PLMN是上一次开机或脱离小区之前注册的PLMN，则确定邻小区是合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的PLMN不是上一次开机或脱离小区之前注册的PLMN，则可以结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断。
-终端判断邻小区的PLMN是否属于归属PLMN(Home PLMN，HPLMN)或等效本地PLMN(EquivalentHome PLMN，EHPLMN)；若邻小区的PLMN属于HPLMN或EHPLMN，则确定邻小区是合适的候选邻区或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的PLMN不属于HPLMN或EHPLMN，则确定邻小区不是合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断。
-终端判断邻小区的PLMN是否属于归属PLMN(Home PLMN，HPLMN)或等效本地PLMN(EquivalentHome PLMN，EHPLMN)；若邻小区的PLMN属于HPLMN或EHPLMN，则确定邻小区是合适的候选邻区或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的PLMN不属于HPLMN或EHPLMN，则确定邻小区不是合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断。
-终端判断邻小区的PLMN是否不属于禁用PLMN(Forbidden PLMN，FLMN)；若邻小区的PLMN不属于FPLMN，则确定邻小区是合适的候选邻区或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区 的PLMN属于FPLMN，则确定邻小区不是合适的候选邻区。
-终端判断邻小区的PLMN是否不属于禁用PLMN(Forbidden PLMN，FLMN)；若邻小区的PLMN不属于FPLMN，则确定邻小区是合适的候选邻区或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的PLMN属于FPLMN，则确定邻小区不是合适的候选邻区。
-终端根据预设的优先级顺序判断邻小区的PLMN的优先级是否达到预设条件；若邻小区的PLMN的优先级达到预设条件，则确定邻小区是合适的候选邻区；若邻小区的PLMN的优先级未达到预设条件，则确定邻小区不是合适的候选邻区。该预设的优先级顺序可以是用户控制PLMN(User Controlled PLMN，UPLMN)优先级或操作控制PLMN(Operator Controlled PLMN)优先级。
需要说明的是，上述PLMN选择策略仅为示意性说明，本申请实施例对终端如何根据邻小区的PLMN确定邻小区是否满足第一条件不加以限定。
在基于上述步骤306提供的可选技术方案中，邻小区的配置信息包括有TA。终端在根据邻小区的配置信息确定邻小区是否满足第一条件时，可以包括如下步骤中的至少一个：
-终端确定邻小区的TA是否不属于禁用的TA；若邻小区的TA不属于禁用的TA，则确定邻小区是合适的候选邻区或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的TA属于禁用的TA，则确定邻小区不是合适的候选邻区。
-终端确定邻小区的TA和服务小区的TA是否属于同一个TA列表；若邻小区的TA和服务小区的TA属于同一个TA列表，则确定邻小区是合适的候选邻区，或结合其它配置信息对邻小区是否为合适的候选邻区进行继续判断；若邻小区的TA属于禁用的TA，则确定邻小区不是合适的候选邻区。
需要说明的是，上述TA选择策略仅为示意性说明，本申请实施例对终端如何根据邻小区的TA确定邻小区是否满足第一条件不加以限定。
在基于上述步骤306提供的可选技术方案中，邻小区的配置信息包括有允许的最大上行发射功率P max。终端在根据邻小区的配置信息确定邻小区是否满足第一条件时，可以包括如下步骤：
-终端确定自身的实际最大上行发射功率P umax和邻小区允许的最大上行发射功率是否满足预设条件；若满足该预设条件，则确定邻小区是合适的候选邻 区；若不满足该预设条件，则确定邻小区不是合适的候选邻区。可选地，预设条件是基于与小区选择/重选有关的S准则所确定的条件。
需要说明的是，上述P max选择策略仅为示意性说明，本申请实施例对终端如何根据邻小区的P max确定邻小区是否满足第一条件不加以限定。
在基于上述步骤306提供的可选技术方案中，邻小区的配置信息包括：小区禁止接入状态指示。终端在根据邻小区的配置信息确定邻小区是否满足第一条件时，可以包括如下步骤：
-终端确定邻小区的小区禁止接入状态指示是否为禁止状态；若小区禁止接入状态指示不是禁止状态，则确定该邻小区是合适的候选邻区或结合其它配置信息对该邻小区是否为合适的候选邻区进行继续判断；若小区禁止接入状态指示是禁止状态，则确定该邻小区不是合适的候选邻区。
需要说明的是，上述小区禁止接入状态的选择策略仅为示意性说明，本申请实施例对终端如何根据邻小区的小区禁止接入状态确定邻小区是否满足第一条件不加以限定。
还需要说明的是，终端还可以上述邻小区的配置信息中的至少两种信息来综合判断邻小区是否满足第一条件，此乃本领域技术人员结合上述已经公开的内容所易于思及的，本文不再赘述。
以下是本申请的装置实施例，由于装置实施例与方法实施例一一对应，对于装置实施例中未详细描述的细节，可以参考上述方法实施例。
请参考图5，其示出了本申请一个示例性实施例提供的小区重选装置的框图。该装置可以通过软件、硬件或者两者的结合实现成为终端的全部或一部分。所述装置包括：
接收模块520，用于接收服务小区的系统信息；
处理模块540，用于从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述处理模块540，用于根据所述邻小区的配置信息、所述服务小区的信号质量和所述邻小区的信号质量进行小区重选。
在一个可选的实施例中，所述邻小区的配置信息包括如下信息中的至少一种：
所述邻小区所在宽带载波的同步信号块配置信息；
公共陆地移动网络列表；
跟踪区；
允许的最大上行发射功率；
小区禁止接入状态指示。
在一个可选的实施例中，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
在一个可选的实施例中，所述处理模块540，用于通过所述服务小区的物理广播信道确定最小系统信息的第一调度信息；所述处理模块540，用于根据所述第一调度信息接收所述最小系统信息；所述处理模块540，用于通过所述最小系统信息确定其它系统信息的第二调度信息；所述处理模块540，用于根据所述第二调度信息接收目标系统信息块，所述目标系统信息块携带有所述邻小区的配置信息。
在一个可选的实施例中，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
在一个可选的实施例中，所述处理模块540，用于根据所述邻小区的配置信息和所述邻小区的信号质量确定所述邻小区是否为合适的候选邻区；所述处理模块540，用于当所述邻小区是合适的候选邻区时，根据所述服务小区的信号质量和所述邻小区的信号质量进行小区重选。
请参考图6，其示出了本申请一个示例性实施例提供的小区重选装置的框图。该装置可以通过软件、硬件或者两者的结合实现成为终端的全部或一部分。所述装置包括：
处理模块620，用于获取服务小区的邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
所述处理模块620，用于生成所述服务小区的系统信息，所述系统信息携带有所述邻小区的配置信息；
发送模块640，用于向终端发送所述服务小区的系统信息；
其中，所述终端是驻留在所述服务小区的终端，所述配置信息用于供所述终端进行小区重选。
在一个可选的实施例中，所述邻小区的配置信息包括如下信息中的至少一 种：
所述邻小区所在宽带载波的同步信号块配置信息；
公共陆地移动网络列表；
跟踪区；
允许的最大上行发射功率；
小区禁止接入状态指示。
在一个可选的实施例中，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
在一个可选的实施例中，所述系统信息包括：最小系统信息和其它系统信息；
所述最小系统信息携带有所述其它系统信息的调度信息；
所述其它系统信息中的目标系统信息块携带有所述邻小区的配置信息。
在一个可选的实施例中，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
请参考图7，其示出了本申请一个示例性实施例提供的终端的结构示意图，该终端包括：处理器101、接收器102、发射器103、存储器104和总线105。
处理器101包括一个或者一个以上处理核心，处理器101通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
接收器102和发射器103可以实现为一个通信组件，该通信组件可以是一块通信芯片。
存储器104通过总线105与处理器101相连。
存储器104可用于存储至少一个指令，处理器101用于执行该至少一个指令，以实现上述方法实施例中的终端执行的各个步骤。
此外，存储器104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，易失性或非易失性存储设备包括但不限于：磁盘或光盘，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)，静态随时存取存储器(SRAM)，只读存储器(ROM)，磁存储器，快闪存储器，可编程只读存储器(PROM)。
请参考图8，其示出了本申请一个示例性实施例提供的接入网设备的结构示意图，该接入网设备包括：处理器111、接收器112、发射器113、存储器114和总线115。
处理器111包括一个或者一个以上处理核心，处理器111通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
接收器112和发射器113可以实现为一个通信组件，该通信组件可以是一块通信芯片。
存储器114通过总线115与处理器111相连。
存储器114可用于存储至少一个指令，处理器111用于执行该至少一个指令，以实现上述方法实施例中的接入网设备执行的各个步骤。
此外，存储器114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，易失性或非易失性存储设备包括但不限于：磁盘或光盘，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)，静态随时存取存储器(SRAM)，只读存储器(ROM)，磁存储器，快闪存储器，可编程只读存储器(PROM)。
本申请提供了一种计算机可读存储介质，所述存储介质中存储有至少一条指令，所述至少一条指令由所述处理器加载并执行以实现上述各个方法实施例提供的小区重选方法和/或系统信息发送方法。
本申请还提供了一种计算机程序产品，当计算机程序产品在计算机上运行时，使得计算机执行上述各个方法实施例提供的小区重选方法和/或系统信息发送方法。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本申请实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述仅为本申请的较佳实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (27)

  1. 一种小区重选方法，其特征在于，所述方法包括：
    终端接收服务小区的系统信息；
    所述终端从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
    所述终端根据所述邻小区的配置信息、所述服务小区的信号质量及所述邻小区的信号质量进行小区重选。
  2. 根据权利要求1所述的方法，其特征在于，所述邻小区的配置信息包括如下信息中的至少一种：
    所述邻小区所在宽带载波的同步信号块配置信息；
    公共陆地移动网络列表；
    跟踪区；
    允许的最大上行发射功率；
    小区禁止接入状态指示。
  3. 根据权利要求2所述的方法，其特征在于，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
  4. 根据权利要求1至3任一所述的方法，其特征在于，所述终端接收服务小区的系统信息，包括：
    所述终端通过所述服务小区的物理广播信道确定最小系统信息的第一调度信息；
    所述终端根据所述第一调度信息接收所述最小系统信息；
    所述终端通过所述最小系统信息确定其它系统信息的第二调度信息；
    所述终端根据所述第二调度信息接收目标系统信息块，所述目标系统信息块携带有所述邻小区的配置信息。
  5. 根据权利要求4所述的方法，其特征在于，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
  6. 根据权利要求2所述的方法，其特征在于，所述终端根据所述配置信息进行小区重选，包括：
    根据所述配置信息和所述邻小区的信号质量确定所述邻小区是否为合适的 候选邻区；
    当所述邻小区是合适的候选邻区时，根据所述服务小区的信号质量和所述邻小区的信号质量进行小区重选。
  7. 一种系统信息发送方法，其特征在于，所述方法包括：
    接入网设备获取服务小区的邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
    所述接入网设备生成所述服务小区的系统信息，所述系统信息携带所述邻小区的配置信息；
    所述接入网设备向终端发送所述服务小区的系统信息；
    其中，所述终端是驻留在所述服务小区的终端，所述配置信息用于供所述终端进行小区重选。
  8. 根据权利要求7所述的方法，其特征在于，所述邻小区的配置信息包括如下信息中的至少一种：
    所述邻小区所在宽带载波的同步信号块配置信息；
    公共陆地移动网络列表；
    跟踪区；
    允许的最大上行发射功率；
    小区禁止接入状态指示。
  9. 根据权利要求8所述的方法，其特征在于，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
  10. 根据权利要求7至9任一所述的方法，其特征在于，所述系统信息包括：最小系统信息和其它系统信息；
    所述最小系统信息携带有所述其它系统信息的调度信息；
    所述其它系统信息中的目标系统信息块携带有所述邻小区的配置信息。
  11. 根据权利要求10所述的方法，其特征在于，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
  12. 一种小区重选装置，其特征在于，所述装置包括：
    接收模块，用于接收服务小区的系统信息；
    处理模块，用于从所述系统信息中获取邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
    所述处理模块，用于根据所述邻小区的配置信息、所述服务小区的信号质量以及所述邻小区的信号质量进行小区重选。
  13. 根据权利要求12所述的装置，其特征在于，所述邻小区的配置信息包括如下信息中的至少一种：
    所述邻小区所在宽带载波的同步信号块配置信息；
    公共陆地移动网络列表；
    跟踪区；
    允许的最大上行发射功率；
    小区禁止接入状态指示。
  14. 根据权利要求13所述的装置，其特征在于，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
  15. 根据权利要求12至14任一所述的装置，其特征在于，
    所述处理模块，用于通过所述服务小区的物理广播信道确定最小系统信息的第一调度信息；
    所述处理模块，用于根据所述第一调度信息接收所述最小系统信息；
    所述处理模块，用于通过所述最小系统信息确定其它系统信息的第二调度信息；
    所述处理模块，用于根据所述第二调度信息接收目标系统信息块，所述目标系统信息块携带有所述邻小区的配置信息。
  16. 根据权利要求15所述的装置，其特征在于，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
  17. 根据权利要求13所述的装置，其特征在于，
    所述处理模块，用于根据所述配置信息和所述邻小区的信号质量确定所述邻小区是否为合适的候选邻区；
    所述处理模块，用于当所述邻小区是合适的候选邻区时，根据所述服务小区的信号质量和所述邻小区的信号质量进行小区重选。
  18. 一种系统信息发送装置，其特征在于，所述装置包括：
    处理模块，用于获取服务小区的邻小区的配置信息，所述配置信息包括与小区重选有关的信息；
    所述处理模块，用于生成所述服务小区的系统信息，所述系统信息携带有 所述邻小区的配置信息；
    发送模块，用于向终端发送所述服务小区的系统信息；
    其中，所述终端是驻留在所述服务小区的终端，所述配置信息用于供所述终端进行小区重选。
  19. 根据权利要求18所述的装置，其特征在于，所述邻小区的配置信息包括如下信息中的至少一种：
    所述邻小区所在宽带载波的同步信号块配置信息；
    公共陆地移动网络列表；
    跟踪区；
    允许的最大上行发射功率；
    小区禁止接入状态指示。
  20. 根据权利要求19所述的装置，其特征在于，所述同步信号块配置信息，包括：频点位置、物理小区标识和小区全球标识码中的至少一个。
  21. 根据权利要求18至20任一所述的装置，其特征在于，所述系统信息包括：最小系统信息和其它系统信息；
    所述最小系统信息携带有所述其它系统信息的调度信息；
    所述其它系统信息中的目标系统信息块携带有所述邻小区的配置信息。
  22. 根据权利要求21所述的装置，其特征在于，所述目标系统信息块包括：系统信息块3、系统信息块4、系统信息块5、系统信息块6、系统信息块7和系统信息块8中的至少一个。
  23. 一种终端，其特征在于，所述终端包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现上述权利要求1至6中任一所述的小区重选方法。
  24. 一种接入网设备，其特征在于，所述接入网设备包括处理器和存储器，所述存储器存储有至少一条指令，所述至少一条指令用于被所述处理器执行以实现上述权利要求7至11中任一所述的小区重选方法。
  25. 一种计算机可读存储介质，其特征在于，所述存储介质存储有至少一条指令，所述至少一条指令用于被处理器执行以实现上述权利要求1至6中任一所述的小区重选方法。
  26. 一种计算机可读存储介质，其特征在于，所述存储介质存储有至少一条指令，所述至少一条指令用于被处理器执行以实现上述权利要求7至11中任 一所述的小区重选方法。
  27. 一种通信系统，其特征在于，所述系统包括：终端和接入网设备；
    所述终端包括如权利要求12至17任一所述的装置，所述接入网设备包括如权利要求18至22任一所述的装置；
    或；
    所述终端是如权利要求23所述的终端，所述接入网设备是如权利要求24所述的接入网设备。
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