WO2019137337A1 - Procédé de sélection de cellule, terminal et dispositif réseau - Google Patents

Procédé de sélection de cellule, terminal et dispositif réseau Download PDF

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Publication number
WO2019137337A1
WO2019137337A1 PCT/CN2019/070674 CN2019070674W WO2019137337A1 WO 2019137337 A1 WO2019137337 A1 WO 2019137337A1 CN 2019070674 W CN2019070674 W CN 2019070674W WO 2019137337 A1 WO2019137337 A1 WO 2019137337A1
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WIPO (PCT)
Prior art keywords
cell
terminal
indication information
rna
inactive state
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PCT/CN2019/070674
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English (en)
Chinese (zh)
Inventor
郑倩
马玥
杨晓东
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维沃移动通信有限公司
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Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2019137337A1 publication Critical patent/WO2019137337A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a cell selection method, a terminal, and a network device.
  • the 5G NR system specifically includes three connection states: a Radio Resource Control (RRC) idle (RRC IDLE) state, an RRC CONNECTED state, and an RRC Inactive state.
  • the terminal may be in the above manner. Convert between the three states.
  • RRC Radio Resource Control
  • RRC IDLE Radio Resource Control
  • RRC CONNECTED Radio Resource Control
  • RRC INactive state the terminal may be in the above manner. Convert between the three states.
  • the terminal may be in the above manner. Convert between the three states.
  • RRC Radio Resource Control
  • RRC IDLE Radio Resource Control
  • RRC CONNECTED Radio Resource Control
  • RRC Inactive state the Radio Resource Control
  • the terminal may be in the above manner. Convert between the three states.
  • the non-RRC active state since only some LTE system cells (cells capable of connecting to the 5G core network) and all 5G NR system cells support inactive state signaling configuration and related signaling procedures, when the inactive terminal needs When connecting to a cell that supports an
  • the embodiment of the invention provides a cell selection method, a terminal, and a network device, which are used to implement cell selection of a terminal in an inactive state.
  • the present invention is implemented as follows:
  • an embodiment of the present invention provides a cell selection method, including:
  • an embodiment of the present invention provides a cell selection method, which is applied to a network device, where the method includes:
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • an embodiment of the present invention provides a terminal, including:
  • a receiving module configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell;
  • a determining module configured to determine, according to the first indication information received by the receiving module, a candidate cell of the terminal in the inactive state.
  • an embodiment of the present invention provides a network device, including:
  • a sending module configured to send first indication information to the terminal
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • an embodiment of the present invention provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor
  • the steps of the cell selection method as described in the first aspect are implemented.
  • an embodiment of the present invention provides a network device, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor. The steps of the cell selection method as described in the second aspect are implemented.
  • an embodiment of the present invention provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, the steps of the cell selection method are implemented.
  • the network device sends the first indication information to the terminal in the inactive state, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, thereby enabling the inactive state.
  • the terminal can determine the candidate cell of the inactive cell according to the indication of the first indication information, so that the terminal in the inactive state can select a support inactive state as much as possible. And/or a cell in which the UE AS context is valid.
  • FIG. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart 1 of a cell selection method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart 2 of a cell selection method according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart 3 of a cell selection method according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of hardware of a terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of hardware of a network device according to an embodiment of the present invention.
  • the words “first”, “second”, etc. are used to distinguish the same or similar items whose functions or functions are substantially the same, in the field.
  • the skilled person will understand that the words “first”, “second” and the like do not limit the number and order of execution.
  • the words “exemplary” or “such as” are used to mean an example, an illustration, or a description. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the invention should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of the words “exemplary” or “such as” is intended to present the concepts in a particular manner. In the embodiments of the present invention, the meaning of "a plurality” means two or more unless otherwise stated.
  • the 5G NR system includes three connection states: an RRC idle state, an RRC connected state, and an RRC activated state.
  • the terminal can switch between the above three states, the cell selection or reselection scheme of the terminal in the idle state cannot be applied to the terminal in the inactive state.
  • LTE Long Term Evolution
  • all 5G NR system cells support inactive state signaling configuration and related signaling
  • when the terminal selects or Reselecting a cell that does not support the inactive state such as an LTE cell connected to the EPC
  • will not be able to support the inactive process in the inactive state such as RRC connection recovery/suspension, small packet transmission, and the like.
  • the access stratum (AS) context of the inactive terminal has a certain intra-area activity, and the area can generally be regarded as an access network tracking area configured by the terminal in which the network device is inactive (RNA Notification area, RNA), when the inactive terminal is reselected to an inter-RAT cell (for example, the cell is an LTE cell connected to the EPC), not in the RNA range, the AS context of the terminal will be unable to be in the network. The side is restored and released automatically.
  • RNA RNA Notification area
  • an embodiment of the present invention provides a cell selection method, a terminal, and a network device.
  • the network device sends a first indication information to the terminal, where the first indication information is used to indicate whether to allow or prohibit the non-
  • the terminal in the active state selects the first cell, so that the terminal in the inactive state can determine the candidate cell of the inactive cell according to the indication of the first indication information when the cell is selected and reselected.
  • the active terminal can select as many cells as possible that support the inactive state and/or the UE AS context.
  • the cell selection in the embodiment of the present invention includes: initial cell selection, and/or cell reselection, where "selection" only emphasizes the selected action, whether it is the initial cell selection or the cell weight.
  • the invention is not limited thereto.
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to reselect the first cell.
  • the technical solution provided by the present invention can be applied to various communication systems, for example, a 5G communication system, a future evolution system, or a plurality of communication fusion systems, and the like.
  • M2M Machine to Machine
  • eMBB enhanced mobile broadband
  • uRLLC ultra-high reliability and ultra-low latency communication
  • mMTC Massive Machine Type Communication
  • These scenarios include, but are not limited to, communication between the terminal and the terminal, or communication between the network device and the network device, or communication between the network device and the terminal.
  • Embodiments of the present invention can be applied to communication between a network device and a terminal in a 5G communication system, or communication between a terminal and a terminal, or communication between
  • FIG. 1 is a schematic diagram showing a possible structure of a communication system according to an embodiment of the present invention.
  • the communication system includes at least one network device 100 (only one is shown in FIG. 1) and one or more terminals 200 to which each network device 100 is connected.
  • the network device 100 may be a base station, a core network device, a TRNAsmission and reception point (TRP), a relay station, or an access point.
  • the network device 100 may be a Global System for Mobile communication (GSM) or a Base Station Transceiver Station (BTS) in a Code Division Multiple Access (CDMA) network, or may be broadband.
  • the NB (NodeB) in the Code Division Multiple Access (WCDMA) may also be an eNB or an eNodeB (evolutional NodeB) in LTE.
  • the network device 100 may also be a wireless controller in a Cloud Radio Access Network (CRNA) scenario.
  • the network device 100 may also be a network device in a 5G communication system or a network device in a future evolved network. The use of words does not constitute a limitation of the invention.
  • the terminal 200 can be a wireless terminal or a wired terminal, and the wireless terminal can be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless communication capabilities, a computing device, or other processing connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a Radio Access Network (RNA), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RNA Radio Access Network
  • the wireless terminal can also be a mobile device or a user device ( User Equipment, UE), UE terminal, access terminal, wireless communication device, terminal unit, terminal station, mobile station (Mobile Station), mobile station (Mobile), remote station (Remote Station), remote station, remote terminal (Remote) Terminal), Subscriber Unit, Subscriber Station, User Agent (User Agent), terminal device, etc.
  • FIG. 1 is exemplified by a terminal being a mobile phone.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 is a schematic flowchart diagram of a cell selection method according to an embodiment of the present invention. The method specifically includes:
  • the network device sends the first indication information to the terminal.
  • the opposite terminal receives the first indication information.
  • the network device in the embodiment of the present invention may be a network device in the communication system shown in FIG. 1, for example, a base station; the terminal in the embodiment of the present invention may be a terminal device in the communication system shown in FIG.
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • the terminal in the embodiment of the present invention is a terminal in an inactive state.
  • the first indication information may be carried in a system message sent by the network device to the terminal.
  • the foregoing system message may be a Master Information Block (MIB), a System Information Block Type 1 (SIB1), and a Remaining Minimum System Information (RMSI).
  • MIB Master Information Block
  • SIB1 System Information Block Type 1
  • RMSI Remaining Minimum System Information
  • the terminal determines, according to the first indication information, a candidate cell of the terminal in an inactive state.
  • the terminal in the inactive state uses some or all of the first cells as the inactive terminal according to the first indication information.
  • the candidate cell that is, the candidate cell described above is part or all of the cells in the first cell.
  • the terminal in the inactive state when the first indication information is used to indicate that the terminal in the inactive state is selected to select the first cell, the terminal in the inactive state does not use the first cell as a candidate for the inactive terminal according to the first indication information.
  • the cell that is, the candidate cell described above does not include the first cell.
  • the terminal in the inactive state performs different operations according to different roles of the first indication information.
  • the terminal in the inactive state may not consider the first cell as the candidate cell for a period of time.
  • the terminal in the inactive state considers the first cell as a candidate cell.
  • the first indication information sent by the network device to the terminal may be specifically in the following three forms. specific:
  • the first form is a first form:
  • the network device directly indicates the first indication information.
  • the first indication information is information indicating that the terminal that allows the inactive state selects the first cell, or information that prohibits the terminal in the inactive state from selecting the first cell.
  • the network device sends the RNA identifier to the terminal in the inactive state and the barred information corresponding to the RNA identifier (abbreviation: bar information).
  • the foregoing first indication information includes M RNA identifiers, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, where the first cell is corresponding to each of the M RNAs.
  • the first cell, M is a positive integer
  • one RNA corresponds to at least one cell, that is, at least one cell is included in one RNA range.
  • the RNA identifier includes: an RNA identifier to which the cell belongs, and/or an RNA identifier to which the neighboring cell belongs.
  • the M RNA identifiers described above can be carried in a system message.
  • RNA ID takes the RNA ID as an example:
  • the terminal in the inactive state does not consider the cell belonging to the M RNA as a candidate cell for a period of time, or the terminal in the inactive state considers the cell belonging to the M RNA as a candidate cell.
  • the network device sends a blacklist to the inactive terminal to assist the terminal in the inactive state to perform cell selection.
  • the first indication information includes a blacklist, and the blacklist includes an identifier of the at least one first cell, where the first indication information is used to indicate that the terminal in the inactive state is prohibited from selecting the at least one first cell.
  • the blacklist described above may be carried in a system message or RRC dedicated signaling.
  • the foregoing system message may be: MIB, SIB1, RMSI, and the like.
  • the foregoing system message may be: SIB3, SIB4, SIB5, SIBx newly introduced by the system message, and other system information (OSI).
  • the foregoing RRC dedicated signaling may be: an RRC Connection Release message, an RRC Connection Resume message, an RRC Connection Suspend, and an RRC Connection Reconfiguration message. RRC Connection Reconfiguration).
  • system message example and the RRC-specific signaling example are only a description, and the system message and the RRC-specific signaling are not limited.
  • the embodiment of the present invention does not limit the system message and the RRC dedicated signaling.
  • the terminal in the inactive state When the terminal in the inactive state performs the cell selection or reselection, the first cell in the blacklist is ignored, that is, the first cell in the blacklist is not used as the candidate cell.
  • the RRC dedicated signaling takes precedence over the system message, that is, if the RRC signaling provides a dedicated blacklist, the inactive terminal can ignore the blacklist in the system message.
  • the embodiment of the present invention provides a cell selection method, which is mainly for a terminal in an inactive state, and the network device sends a first indication information to the terminal, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell. Therefore, the terminal in the inactive state can determine the candidate cell of the inactive cell according to the indication of the first indication information when the cell is selected and reselected, thereby enabling the terminal in the inactive state to be as capable as possible Select a cell that supports the inactive state and/or the UE AS context is valid.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 3 is a schematic flowchart diagram of a cell selection method according to an embodiment of the present invention.
  • the embodiment of the present invention is mainly directed to a cell selection process in a case where the first indication information includes only K RNA identifiers, and the first indication information does not have obvious bar information to indicate the use of the K RNA identifiers.
  • the method includes the following steps:
  • the network device sends the first indication information to the terminal.
  • the first indication information includes K identifiers, and K is a positive integer.
  • the foregoing K identifiers include: an RNA identifier to which the cell detected by the initial cell selection terminal belongs or an RNA identifier to which the neighboring cell of the current camping cell of the terminal belongs.
  • the network device configures, for the terminal, N RNA identifiers.
  • the opposite terminal receives N RNA identifiers.
  • S302 may be performed before S301, may be performed after S301, or may be performed simultaneously with S301, which is not limited by the present invention. .
  • the network device is configured to provide the RNA configuration information of the terminal in the inactive state to the terminal in the inactive state, where the RNA configuration information includes N RNA identifiers.
  • the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell, where the first cell is the A cell corresponding to X RNAs.
  • the first indication information is used to indicate that the terminal that prohibits the inactive state selects the first cell, where the first cell is a cell corresponding to the K RNAs. ; K, N, and X are positive integers, and K and N are greater than or equal to X.
  • K and M in the embodiment of the present invention may be the same or different, and the present invention does not limit this.
  • the terminal determines, according to the first indication information, a candidate cell of the terminal in an inactive state.
  • the candidate cell is a part or all of the cells in the first cell.
  • the inactive terminal considers the cell containing the RNA ID of the RNA ID configured by the network device as the candidate cell as the candidate cell, or the terminal in the inactive state does not configure the terminal not configured in the network device for a period of time.
  • the cell of the RNA ID of the RNA ID is considered as a candidate cell.
  • An embodiment of the present invention provides a cell selection method, which is mainly directed to a terminal in an inactive state.
  • the network device sends a first indication information including K identifiers to the terminal, and N identifiers configured for the terminal, thereby making the inactive
  • the terminal of the state only includes the RNA identifier in the first indication information
  • the terminal may be allowed to access or disabled in the inactive state based on the RNA identifier indicated by the first indication information and the RNA identifier configured by the network device as the terminal.
  • the first cell so that the terminal in the inactive state can determine the candidate cell of the inactive cell when the cell is selected and reselected, so that the terminal in the inactive state can select a support inactive as much as possible. State and/or cell in which the UE AS context is valid.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 4 is a schematic flowchart diagram of a cell selection method according to an embodiment of the present invention. Specifically, the embodiment of the present invention further expands and introduces the cell reselection process. As shown in FIG. 4, the method includes the following steps:
  • the network device is a configuration parameter configured by the terminal.
  • the peer terminal receives the configuration information.
  • the configuration parameter in the embodiment of the present invention is used for cell reselection in an inactive state, and the configuration information includes at least one of the following: a frequency priority, a frequency offset, and a cell-specific offset.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset
  • the configuration parameter is further used to calculate each of a serving cell in which the terminal in the inactive state is currently camped and a neighboring cell of the serving cell.
  • RSRP Reference Signal Receiving Power
  • the frequency priority in the configuration information exists in a list
  • the frequency priority list includes at least one frequency priority and at least one frequency information, each frequency priority corresponds to one frequency information; frequency offset in the configuration information
  • the quantity exists in the form of a list, the frequency offset list including at least one frequency information and at least one frequency offset, each frequency information corresponding to one frequency offset.
  • the configuration parameter may be one set or two sets. If the network device configures only one set of configuration information for the terminal, the cell in the idle state and the cell in the inactive state are selected/reselected. The parameter value configuration is exactly the same. If the network device configures two sets of configuration information for the terminal, the parameter selection configuration part of the cell selection/reselection of the idle state terminal and the inactive terminal terminal is the same or completely different.
  • the configuration parameters described above include at least one of: an intra-RAT (NR or LTE) frequency priority, a frequency offset, a cell-specific offset, and/or an inter-RAT ( LTE or NR) at least one of a frequency priority, a frequency offset, and a cell-specific offset.
  • NR intra-RAT
  • LTE inter-RAT
  • the network device sends the first indication information to the terminal.
  • the opposite terminal receives the first indication information.
  • the terminal determines, according to the configuration parameter and the first indication information, a candidate cell of the terminal in the inactive state.
  • the candidate cell is a part or all of the cells in the first cell.
  • the terminal in the inactive state performs the cell reselection process, and may be based on the frequency priority of the neighboring cell of the serving cell where the terminal currently camped in the inactive state and the currently resident service of the inactive terminal.
  • the frequency priority of the cell is different, and different operations are performed.
  • the first indication information is used to indicate that the terminal is inactive.
  • the first cell is selected, where the first cell is a second cell, and the second cell is at least one of neighbor cells of a serving cell in which the terminal in the inactive state is currently camped.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset, that is, the configuration parameter may be used to serve a serving cell where the terminal in the inactive state is currently camped. And the neighboring cell of the serving cell calculates the RSRP of each cell. If the frequency priority of the second cell is smaller than the frequency priority of the serving cell, and the RSRP of the second cell is greater than the RSRP of the serving cell, the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell, the first The cell is the second cell, and the second cell is the neighboring cell of the serving cell, allowing the first cell.
  • the method also includes:
  • the network device configures N RNA identifiers for the terminal.
  • the opposite terminal receives N RNA identifiers.
  • the above K RNA identifiers include: an RNA identifier to which the cell belongs.
  • the K RNA identifiers include X RNA identifiers in the N RNA identifiers, and the cells corresponding to the Y RNAs in the X RNAs have a frequency priority greater than Or the frequency priority of the serving cell that the terminal currently camping in the inactive state
  • the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell, where the first cell is a cell corresponding to Y RNAs, Y Is a positive integer, X is greater than or equal to Y.
  • steps A1 and A2, or step B for a frequency of a cell having a frequency priority higher than or equal to a frequency priority of a serving cell in which the terminal of the inactive state is currently camped.
  • Step A1 If some or all of the RNA IDs broadcast by the high-priority frequency cell or the same-level priority frequency cell are included in the RNA ID configured by the network device for the terminal, the terminal in the inactive state will be the cell corresponding to the partial or complete RNA ID. Considered as a candidate cell.
  • Step A2 The terminal in the inactive state considers the cell corresponding to the part or all of the RNA IDs as the candidate cell, and further calculates whether the cell channel quality meets the preset reselection criterion based on the priority parameter. For example, the channel quality of the high priority frequency cell is greater than a preset threshold and the duration exceeds a preset threshold.
  • Step B If all the RNA IDs broadcast by the high-priority frequency cell or the same-level priority frequency cell are not included in the RNA ID configured by the network device for the terminal, the terminal in the inactive state does not use the cell corresponding to the RNA ID as a candidate.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset, that is, the configuration parameter may be used for a serving cell where the terminal in the inactive state is currently camped, and the serving cell. After the neighboring cells are reordered, the scenario of RSRP for each cell is calculated.
  • the K RNA identifiers include X RNA identifiers in the N RNA markers, the frequency of the cells corresponding to the Z RNAs in the X RNAs is less than the frequency priority of the serving cell, and the Z RNAs If the RSRP of the corresponding cell is greater than the RSRP of the serving cell, the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell, where the first cell is the cell corresponding to the Z RNAs, and Z is a positive integer, and X is greater than Or equal to Z.
  • the frequency priority of the cell is less than the frequency priority of the serving cell in which the terminal in the inactive state is currently camped. Perform step C or step D.
  • Step C If part or all of the RNA ID broadcast by the low priority frequency cell is included in the RNA ID configured by the network device for the terminal, and the RSRP of the cell corresponding to the one or more RNA IDs of the part or all of the RNA ID is greater than the service
  • the RSRP of the cell, the terminal in the inactive state considers the cell corresponding to one or more of the RNA IDs as the candidate cell, and further calculates whether the channel quality of the cells meets the preset reselection based on the priority parameter. Guidelines. For example, the channel quality of the high priority frequency cell is greater than a preset threshold and the duration exceeds a preset threshold.
  • Step D If all the RNA IDs broadcast by the low priority frequency cell are not included in the RNA ID configured by the network device for the terminal, the terminal in the inactive state does not consider the cell corresponding to the RNA ID as the candidate cell.
  • the foregoing configuration parameter may be carried in a system message or an RRC dedicated signaling, and is used to assist a cell reselection process of the terminal in an inactive state.
  • system messages may be: SIB3, SIB4, SIB5, SIBx newly introduced by system messages, and OSI.
  • SIB3, SIB4, SIB5, SIBx newly introduced by system messages, and OSI For the description of the above-mentioned dedicated signaling, reference may be made to the description of one embodiment, and details are not described herein again.
  • system message example and the RRC-specific signaling example are only a description, and the system message and the RRC-specific signaling are not limited.
  • the embodiment of the present invention does not limit the system message and the RRC dedicated signaling.
  • the RRC dedicated signaling takes precedence over the system message, that is, if the RRC signaling provides a dedicated priority parameter, the terminal in the inactive state can ignore the priority parameter in the system message.
  • the embodiment of the present invention provides a cell selection method, which is mainly used for performing a cell reselection process in a terminal in an inactive state.
  • the network device configures configuration parameters for the terminal, and sends the first indication information to the terminal.
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, so that the terminal in the inactive state can be in the cell with higher frequency priority or better signal quality when the cell is reselected. Selecting, from the indicated terminal indicating the inactive state of the first indication information, a candidate cell of the cell in the indeterminate state in the first cell, so that the terminal in the inactive state can select a support inactive as much as possible. State and/or cell in which the UE AS context is valid.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 5 is a schematic structural diagram of a terminal for implementing an embodiment of the present invention.
  • the terminal 50 includes: a receiving module 51 and a determining module 52, wherein:
  • the receiving module 51 is configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • the determining module 52 is configured to determine a candidate cell of the terminal in the inactive state according to the first indication information received by the receiving module 51.
  • the candidate cell is part or all of the cells in the first cell.
  • the candidate cell does not include the first cell.
  • the first indication information includes M access network tracking area RNA identifiers; the first cell is a cell corresponding to the M RNAs, and one RNA corresponds to at least one cell, where M is a positive integer.
  • the first indication information includes a blacklist, where the blacklist includes an identifier of the at least one first cell, where the first indication information is used to indicate that the terminal that prohibits the inactive state selects the at least one first cell.
  • the first indication information includes K RNA identifiers; if the K RNA identifiers include X RNA identifiers of the N RNA identifiers configured by the network device for the terminal, the first indication information is used to indicate Allowing the terminal in the inactive state to select the first cell, where the first cell is a cell corresponding to the X RNAs; if the K RNA identifiers do not include any of the N RNA identifiers, the first indication The information is used to indicate that the terminal that prohibits the inactive state selects the first cell, where the first cell is a cell corresponding to the K RNAs; wherein, one RNA corresponds to at least one cell, and K, N, and X are positive integers, K, N is greater than or equal to X.
  • the determining module 52 is specifically configured to: determine a candidate cell of the terminal in an inactive state according to the configuration parameter configured by the network device and the first indication information; where the configuration parameter is used for the cell reselection in the inactive state
  • the configuration parameters include at least one of the following: frequency priority, frequency offset, and cell-specific offset.
  • the configuration parameter includes a frequency priority;
  • the first indication information includes K RNA identifiers;
  • the K RNA identifiers include X RNA identifiers of the N RNA identifiers configured by the network device for the terminal, if the X The frequency of the cell corresponding to the Y RNAs in the RNA is greater than or equal to the frequency priority of the serving cell currently camped by the terminal in the inactive state, and the first indication information is used to indicate the terminal that allows the inactive state.
  • first cell is a cell corresponding to the Y RNAs, and one RNA corresponds to at least one cell; wherein K, N, X, and Y are positive integers, K and N are greater than or equal to X, and X is greater than or equal to Y.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset; the configuration parameter is further used to perform weighting on the serving cell where the terminal in the inactive state is currently camped and the neighboring cell of the serving cell.
  • the first indication information includes K access network tracking area RNA identifiers; the K RNA identifiers include X RNA identifiers in the N RNA identifiers, if the X RNAs
  • the first indicator information is used to indicate that the non-permission is required, and the frequency of the cell corresponding to the Z RNAs is less than the frequency priority of the serving cell, and the RSRP of the cell corresponding to the Z RNAs is greater than the RSRP of the serving cell.
  • the active terminal selects a first cell, where the first cell is a cell corresponding to the Z RNAs, and one RNA corresponds to at least one cell; wherein, K, N, X, and Z are positive integers, and K and N are greater than or equal to X. X is greater than or equal to Z.
  • the configuration parameter includes a frequency priority; if the frequency priority of the second cell is greater than or equal to the frequency priority of the serving cell, the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell.
  • the first cell is the second cell, and the second cell is a neighboring cell of the serving cell.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset; the configuration parameter is further used to perform weighting on the serving cell where the terminal in the inactive state is currently camped and the neighboring cell of the serving cell.
  • the RSRP of each cell is calculated; if the frequency priority of the second cell is less than the frequency priority of the serving cell, and the RSRP of the second cell is greater than the RSRP of the serving cell, the first indication information is used to indicate The terminal in the inactive state is allowed to select the first cell, the first cell is the second cell, and the second cell is the neighboring cell of the serving cell to allow the first cell.
  • the first indication information is carried in a system message or an RRC dedicated signaling.
  • the terminal receives the first indication information sent by the network device, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, so that the terminal in the inactive state is in the cell.
  • the candidate cell of the inactive cell can be determined according to the indication of the first indication information, so that the terminal in the inactive state can select a support inactive state and/or the UE as much as possible.
  • the AS context is valid.
  • the terminal device provided by the embodiment of the present invention can implement the processes shown in any one of the foregoing methods in the foregoing method, and is not described herein again.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • FIG. 6 is a schematic structural diagram of a network device that implements an embodiment of the present invention.
  • the network device 60 includes: a sending module 61, where:
  • the sending module 61 is configured to send the first indication information to the terminal.
  • the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • the first indication information includes M RNA identifiers; the first cell is a cell corresponding to the M RNAs, one RNA corresponds to at least one cell, and M is a positive integer.
  • the first indication information includes a blacklist, where the blacklist includes an identifier of the at least one first cell, where the first indication information is used to indicate that the terminal that prohibits the inactive state selects the at least one first cell.
  • the first indication information includes K RNA identifiers; if the K RNA identifiers include X RNA identifiers of the N RNA identifiers configured by the network device for the terminal, the first indication information is used to indicate Allowing the terminal in the inactive state to select the first cell, where the first cell is a cell corresponding to the X RNAs; if the K RNA identifiers do not include any of the N RNA identifiers, the first indication The information is used to indicate that the terminal that prohibits the inactive state selects the first cell, where the first cell is a cell corresponding to the K RNAs; wherein, one RNA corresponds to at least one cell, and K, N, and X are positive integers, K, N is greater than or equal to X.
  • the network device 60 further includes: a configuration module 62, where:
  • the configuration module 62 is configured to configure a configuration parameter for the terminal, where the configuration parameter is used for the cell reselection in the inactive state, and the configuration parameter is used to indicate that the terminal determines the candidate cell of the terminal in the inactive state according to the configuration parameter and the first indication information.
  • the configuration parameters include at least one of the following: frequency priority, frequency offset, and cell-specific offset.
  • the configuration parameter includes a frequency priority;
  • the first indication information includes K RNA identifiers;
  • the K RNA identifiers include X RNA identifiers of the N RNA identifiers configured by the network device for the terminal, if the X The frequency of the cell corresponding to the Y RNAs in the RNA is greater than or equal to the frequency priority of the serving cell currently camped by the terminal in the inactive state, and the first indication information is used to indicate the terminal that allows the inactive state.
  • first cell is a cell corresponding to the Y RNAs, and one RNA corresponds to at least one cell; wherein K, N, X, and Y are positive integers, K and N are greater than or equal to X, and X is greater than or equal to Y.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset; the configuration parameter is further used to calculate a serving cell of the inactive terminal and a neighboring cell of the serving cell.
  • RSRP of the cell the first indication information includes K access network tracking area RNA identifiers; the K RNA identifiers include X RNA identifiers in the N RNA identifiers, if Z RNAs in the X RNAs If the frequency priority of the corresponding cell is smaller than the frequency priority of the serving cell, and the RSRP of the cell corresponding to the Z RNA is greater than the RSRP of the serving cell, the first indication information is used to indicate that the terminal selection of the inactive state is allowed.
  • first cell where the first cell is a cell corresponding to the Z RNAs, and one RNA corresponds to at least one cell; wherein K, N, X, and Z are positive integers, K and N are greater than or equal to X, and X is greater than or equal to Z. .
  • the configuration parameter includes a frequency priority; if the frequency priority of the second cell is greater than or equal to the frequency priority of the serving cell, the first indication information is used to indicate that the terminal that allows the inactive state selects the first cell.
  • the first cell is the second cell, and the second cell is a neighboring cell of the serving cell.
  • the configuration parameters include: a frequency priority, a frequency offset, and a cell-specific offset; the configuration parameter is further used to calculate a serving cell of the inactive terminal and a neighboring cell of the serving cell.
  • the RSRP of the cell if the frequency priority of the second cell is less than the frequency priority of the serving cell, and the RSRP of the second cell is greater than the RSRP of the serving cell, the first indication information is used to indicate that the inactive state is allowed.
  • the terminal selects the first cell, the first cell is the second cell, and the second cell is the neighboring cell of the serving cell to allow the first cell.
  • the first indication information is carried in a system message or an RRC dedicated signaling.
  • the network device sends the first indication information to the terminal in the inactive state, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, thereby making the inactive
  • the terminal can determine the candidate cell of the inactive cell according to the indication of the first indication information, so that the terminal in the inactive state can select a support inactive as much as possible. State and/or cell in which the UE AS context is valid.
  • the terminal device provided by the embodiment of the present invention can implement the processes shown in any one of the foregoing methods in the foregoing method, and is not described herein again.
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present invention.
  • the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, and a user.
  • the terminal structure shown in FIG. 7 does not constitute a limitation to the terminal, and the terminal may include more or less components than those illustrated, or some components may be combined, or different component arrangements.
  • the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, and a pedometer.
  • the radio frequency unit 701 is configured to receive the first indication information that is sent by the network device, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, and the processor 7010 is configured to use the first indication information according to the first indication information. Determining a candidate cell of the terminal in an inactive state.
  • the terminal receives the first indication information sent by the network device, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, so that the terminal in the inactive state is in the cell.
  • the candidate cell of the inactive cell can be determined according to the indication of the first indication information, so that the terminal in the inactive state can select a support inactive state and/or the UE as much as possible.
  • the AS context is valid.
  • the radio frequency unit 701 can be used for receiving and transmitting signals during the transmission and reception of information or during a call, and specifically, after receiving downlink data from the base station, processing the processor 7010; The uplink data is sent to the base station.
  • radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio unit 701 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides the user with wireless broadband Internet access through the network module 702, such as helping the user to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 703 can convert the audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as a sound. Moreover, the audio output unit 703 can also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a particular function performed by the terminal 700.
  • the audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 704 is for receiving an audio or video signal.
  • the input unit 704 may include a graphics processing unit (GPU) 7041 and a microphone 7042 that images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode.
  • the data is processed.
  • the processed image frame can be displayed on the display unit 706.
  • the image frames processed by the graphics processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702.
  • the microphone 7042 can receive sound and can process such sound as audio data.
  • the processed audio data can be converted to a format output that can be transmitted to the mobile communication base station via the radio unit 701 in the case of a telephone call mode.
  • Terminal 700 also includes at least one type of sensor 705, such as a light sensor, motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 7061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 7061 and/or when the terminal 700 moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in multiple directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the terminal attitude (such as horizontal and vertical screen switching, related games).
  • sensor 705 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, Infrared sensors and the like are not described here.
  • the display unit 706 is for displaying information input by the user or information provided to the user.
  • the display unit 706 can include a display panel 7061.
  • the display panel 7061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the user input unit 707 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072.
  • the touch panel 7071 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 7071 or near the touch panel 7071. operating).
  • the touch panel 7071 may include two parts of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 7010 receives the commands from the processor 7010 and executes them.
  • the touch panel 7071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 707 can also include other input devices 7072.
  • the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which are not described herein.
  • the touch panel 7071 may be overlaid on the display panel 7061. After the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch panel 7071 is transmitted to the processor 7010 to determine the type of the touch event, and then the processor 7010 according to the touch. The type of event provides a corresponding visual output on display panel 7061.
  • the touch panel 7071 and the display panel 7061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated. The input and output functions of the terminal are implemented, and are not limited herein.
  • the interface unit 708 is an interface in which an external device is connected to the terminal 700.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the interface unit 708 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the terminal 700 or can be used at the terminal 700 and external devices Transfer data between.
  • Memory 709 can be used to store software programs as well as various data.
  • the memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 709 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the processor 7010 is a control center of the terminal, which connects various parts of the entire terminal using various interfaces and lines, and executes by executing or executing software programs and/or modules stored in the memory 709, and calling data stored in the memory 709.
  • the processor 7010 may include one or more processing units; preferably, the processor 7010 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and performs modulation and demodulation.
  • the processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 7010.
  • the terminal 700 may further include a power source 7011 (such as a battery) for supplying power to various components.
  • a power source 7011 such as a battery
  • the power source 7011 may be logically connected to the processor 7010 through a power management system to manage charging, discharging, and power management through the power management system.
  • the terminal 700 includes some functional modules not shown, and details are not described herein again.
  • FIG. 8 is a schematic diagram of a hardware structure of a network device that implements an embodiment of the present invention.
  • the network device 800 includes a processor 801, a transceiver 802, a memory 803, a user interface 804, and a bus interface.
  • the transceiver 802 is configured to send the first indication information to the terminal, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell.
  • the network device sends the first indication information to the terminal in the inactive state, where the first indication information is used to indicate that the terminal in the inactive state is allowed or disabled to select the first cell, thereby making the inactive
  • the terminal can determine the candidate cell of the inactive cell according to the indication of the first indication information, so that the terminal in the inactive state can select a support inactive as much as possible. State and/or cell in which the UE AS context is valid.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803. .
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 802 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 804 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 in performing operations.
  • the network device 800 further includes some functional modules not shown, and details are not described herein again.
  • the embodiment of the present invention further provides a terminal, including a processor, a memory, a computer program stored on the memory and operable on the processor, and the computer program is executed by the processor to implement the foregoing Embodiments 1 to
  • a terminal including a processor, a memory, a computer program stored on the memory and operable on the processor, and the computer program is executed by the processor to implement the foregoing Embodiments 1 to
  • the process of the cell selection method in the third process can achieve the same technical effect. To avoid repetition, no further details are provided here.
  • the embodiment of the present invention further provides a network device, including a processor, a memory, a computer program stored on the memory and operable on the processor, and the computer program is executed by the processor to implement the foregoing Embodiment 1 to the implementation.
  • a network device including a processor, a memory, a computer program stored on the memory and operable on the processor, and the computer program is executed by the processor to implement the foregoing Embodiment 1 to the implementation.
  • the process of the cell selection method in the third embodiment can achieve the same technical effect. To avoid repetition, no further details are provided herein.
  • the embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, the plurality of processes of the cell selection method in the foregoing embodiment are implemented, and can be achieved.
  • the same technical effect, in order to avoid repetition, will not be described here.
  • the computer readable storage medium may include a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent le domaine technique des communications et, plus précisément, un procédé de sélection de cellule, un terminal et un dispositif réseau, pour la mise en œuvre d'une sélection de cellule d'un terminal à l'état non activé. Le procédé consiste à : recevoir des premières informations d'indication envoyées par un dispositif réseau, les premières informations d'indication étant utilisées pour indiquer qu'un terminal à l'état non activé est autorisé, ou pas, à sélectionner une première cellule ; et déterminer une cellule candidate du terminal à l'état non activé en fonction des premières informations d'indication.
PCT/CN2019/070674 2018-01-09 2019-01-07 Procédé de sélection de cellule, terminal et dispositif réseau WO2019137337A1 (fr)

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CN113316218A (zh) * 2020-02-27 2021-08-27 华为技术有限公司 接入方法及装置
CN113498126A (zh) * 2020-04-01 2021-10-12 中兴通讯股份有限公司 非激活状态终端的小区重选方法、基站和计算机可读介质
CN115136645A (zh) * 2020-04-13 2022-09-30 Oppo广东移动通信有限公司 数据传输方法及装置
CN113993184B (zh) * 2020-07-27 2023-05-09 中国移动通信有限公司研究院 一种网络选择方法、网络接入方法和相关节点设备
CN113179512B (zh) * 2020-07-30 2022-09-09 华为技术有限公司 一种通信方法及通信装置
CN114079998A (zh) * 2020-08-21 2022-02-22 华为技术有限公司 一种通信方法及装置
CN116261116A (zh) * 2021-12-09 2023-06-13 夏普株式会社 由用户设备执行的方法以及用户设备
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