WO2022077282A1 - Procédé et appareil d'accès à une cellule, dispositif de communication et support d'enregistrement - Google Patents

Procédé et appareil d'accès à une cellule, dispositif de communication et support d'enregistrement Download PDF

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Publication number
WO2022077282A1
WO2022077282A1 PCT/CN2020/120942 CN2020120942W WO2022077282A1 WO 2022077282 A1 WO2022077282 A1 WO 2022077282A1 CN 2020120942 W CN2020120942 W CN 2020120942W WO 2022077282 A1 WO2022077282 A1 WO 2022077282A1
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WIPO (PCT)
Prior art keywords
terminal
cell
information
parameters
satellite
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PCT/CN2020/120942
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English (en)
Chinese (zh)
Inventor
熊艺
杨星
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202080002766.7A priority Critical patent/CN114651479B/zh
Priority to PCT/CN2020/120942 priority patent/WO2022077282A1/fr
Publication of WO2022077282A1 publication Critical patent/WO2022077282A1/fr

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    • 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
    • H04W36/249—Reselection being triggered by specific parameters according to timing information

Definitions

  • the present disclosure relates to the field of wireless communication technologies, but is not limited to the field of wireless communication technologies, and in particular, relates to a method, apparatus, communication device, and storage medium for accessing a cell.
  • the terminal can perform cell selection and reselection according to the S criterion and the R criterion.
  • NR new air interface
  • R16 new Air interface
  • CHO Conditional Handover
  • the terminal can perform cell handover based on the conditional handover (CHO).
  • tall obstructions on the ground such as mountains, tall buildings, etc.
  • the embodiments of the present disclosure disclose a method, an apparatus, a communication device, and a storage medium for accessing a cell.
  • a method for accessing a cell wherein, when applied to a terminal, the method includes:
  • the parameters for selecting the access cell by the terminal are adjusted; wherein the parameters for selecting the access cell by the terminal include: parameters for cell selection and reselection, and/or parameters for cell handover .
  • adjusting the parameters for the terminal to select to access the cell includes:
  • the parameter selection of the terminal for selecting an access cell is adjusted to the parameter value of the adjacent cell corresponding to the blocking area.
  • the access cell is a non-terrestrial network (NTN) cell.
  • NTN non-terrestrial network
  • the adjusting parameters of the cell selected by the terminal to access include:
  • Radio Resource control Radio Resource control
  • the parameters of cell selection and reselection include at least one of the following:
  • the reference distance between the terminal and the satellite corresponding to the serving cell is the reference distance between the terminal and the satellite corresponding to the serving cell.
  • the adjusting parameters of the cell selected by the terminal to access include:
  • the parameters of the cell handover are adjusted in response to the terminal being in a radio resource control (RRC) connected state.
  • RRC radio resource control
  • the parameters of the cell handover include:
  • the parameter based on conditional switching includes at least one of the following:
  • RSRP Reference Signal Received Power
  • Timing Advance (TA) value
  • the elevation angle of the terminal relative to the satellite is the elevation angle of the terminal relative to the satellite
  • TTT Trigger duration for conditional switching (CHO).
  • the method further includes:
  • the measurement report carries indication information, the indication information indicates that the terminal is located in the shaded area of the cell, and is used for the network device to determine the terminal to which the terminal is handed over. community.
  • the method further includes:
  • the terminal is located in the occlusion area of the cell.
  • the information of the occluder includes at least one of the following: position information of the occluder, altitude information of the occluder, and shape information of the occluder.
  • the obtaining the information of the occluder includes:
  • the method further includes:
  • the terminal In response to the distance between the terminal and the occluder being within a distance threshold range, determine whether the terminal is located in the occlusion area of the cell; wherein the distance threshold is determined according to the information of the occluder.
  • the adjusting parameters of the cell selected by the terminal to access include:
  • the parameter value of the parameter that the terminal selects to access the cell is increased or decreased by an offset.
  • an offset configuration message sent by a network device is received; wherein the offset configuration message carries the offset.
  • the method further includes:
  • the offset is determined according to the location information of the terminal, the location information of the satellite, and the information of the occluder.
  • the determining the offset according to the location of the terminal, the location information of the satellite, and the information of the occluder includes:
  • the offset is determined according to the mapping relationship between the position information of the terminal, the position information of the satellite, the information of the obstruction and the offset.
  • the method further includes:
  • a configuration message that carries the mapping relationship and is sent by the network device is received.
  • the method further includes:
  • the location information of the satellite is determined according to the ephemeris information.
  • the obtaining the ephemeris information of the satellite includes:
  • the ephemeris information is determined according to the identification identifier (ID) of the satellite and pre-configured information; wherein, the identification identifier (ID) is sent by a network device; the pre-configuration information includes the ephemeris of at least one satellite. calendar information.
  • an apparatus for accessing a cell wherein, when applied to a terminal, the apparatus includes an adjustment module, wherein,
  • the adjustment module is configured to: in response to the terminal being located in the shaded area of the cell, adjust the parameters for the terminal to select the access cell; wherein the parameters for the terminal to select the access cell include: cell selection and reselection parameters, and/or parameters for cell handover.
  • the adjustment module is further configured to:
  • the parameter selection of the terminal for selecting an access cell is adjusted to the parameter value of the adjacent cell corresponding to the blocking area.
  • a communication device comprising:
  • a memory for storing the processor-executable instructions
  • the processor is configured to: when executing the executable instructions, implement the method described in any embodiment of the present disclosure.
  • a computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, implements the method described in any embodiment of the present disclosure.
  • the parameters for the terminal to select the access cell are adjusted; wherein the parameters for the terminal to select the access cell include: cell selection and reselection parameters, and / or parameters for cell handover.
  • the parameters of cell selection and reselection and/or cell handover parameters will be adjusted in time.
  • the cell selection and reselection parameters and/or cell handover parameters can be better adapted
  • the wireless communication environment in the area where the terminal is located can reliably implement cell selection and reselection, and/or cell handover.
  • FIG. 1 is a schematic structural diagram of a wireless communication system.
  • FIG. 2 is a schematic diagram illustrating a wireless communication scenario according to an exemplary embodiment.
  • Fig. 3 is a schematic diagram of a wireless communication scenario according to an exemplary embodiment.
  • Fig. 4 is a schematic flowchart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 5 is a schematic diagram showing an occlusion area according to an exemplary embodiment.
  • Fig. 6 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 7 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 8 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 9 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 10 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 11 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 12 is a flow chart of a method for accessing a cell according to an exemplary embodiment.
  • Fig. 13 is a schematic diagram of an apparatus for accessing a cell according to an exemplary embodiment.
  • Fig. 14 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • the terms “greater than” or “less than” are used herein when characterizing the relationship of size. However, those skilled in the art can understand that the term “greater than” also covers the meaning of “greater than or equal to”, and “less than” also covers the meaning of "less than or equal to”.
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several user equipments 110 and several base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to the user.
  • User equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and user equipment 110 may be IoT user equipment such as sensor devices, mobile phones (or "cellular" phones) ) and a computer with IoT user equipment, for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • RAN Radio Access Network
  • IoT user equipment such as sensor devices, mobile phones (or "cellular" phones)
  • a computer with IoT user equipment for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • station Ses, STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access terminal remote user equipment
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user equipment 110 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless user equipment connected to an external trip computer.
  • the user equipment 110 may also be a roadside device, such as a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a fourth generation mobile communication (the 4th generation mobile communication, 4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio System or 5G NR System.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the base station 120 may be an evolved base station (eNB) used in the 4G system.
  • the base station 120 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 120 and the user equipment 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the user equipments 110 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above-mentioned user equipment may be regarded as the terminal equipment of the following embodiments.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 130 is not limited in this embodiment of the present disclosure.
  • Non-terrestrial Networks In the fifth generation mobile communication technology (5G) system, Non-terrestrial Networks (NTN, Non-terrestrial Networks) are introduced.
  • FIG. 2 and FIG. 3 are schematic diagrams of far-near effects of the received signal strength of the terminal in different scenarios.
  • 2 is a schematic diagram of the received signal strength of a terminal in a terrestrial network (TN, Terrestrial Network) wireless communication scenario.
  • the terrestrial network (TN) includes terrestrial network base stations and terminals.
  • FIG. 3 is a schematic diagram of received signal strength of a terminal in a non-terrestrial network (NTN) wireless communication scenario.
  • the non-terrestrial network (NTN) includes non-terrestrial network base stations and terminals.
  • the terminal can determine whether the terminal is based on the obvious difference between the reference signal received power (RSRP, Reference Signal Receiving Power) or the reference signal received quality (RSRQ, Reference Signal Receiving Quality) between the cell center and the cell edge. on the edge of the cell.
  • RSRP reference signal received power
  • RSRQ Reference Signal Receiving Quality
  • the terminal performs cell selection or reselection according to the S criterion and the R criterion.
  • 5G fifth generation mobile communication technology
  • NR new air interface
  • the S criterion is:
  • Srxlev is the cell selection reception value
  • Squal is the cell selection quality value.
  • the terminal needs to satisfy the S criterion for cell selection or reselection.
  • the R criterion is:
  • Rn Qmeas.n-Qoffset-Qoffset temp ;
  • Rs is the R value of the serving cell
  • Rn is the R value of the adjacent cell
  • Qmeas.s is the reference signal received power (RSRP) measurement value of the serving cell
  • Qmeas.n is the reference signal received power (RSRP) of the adjacent cell ) measurement value
  • Qhyst is the cell reselection hysteresis value
  • Qoffset temp is the temporary offset value
  • Qoffset is the offset value.
  • NTN non-terrestrial network
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • Conditional handover is performed by the terminal when one or more conditional handover (CHO) trigger conditions are satisfied.
  • the terminal starts evaluating the triggering condition after receiving the Conditional Handover (CHO) configuration, and stops evaluating the triggering condition after performing the handover.
  • NTN non-terrestrial network
  • applying the conditional handover (CHO) mechanism to the non-terrestrial network (NTN) can effectively reduce the probability of handover failure and improve the robustness of the non-terrestrial network (NTN) system.
  • TR38.821 proposes five optional Conditional Handover (CHO) triggering methods applicable to non-terrestrial networks (NTN), namely: measurement-based triggering, location-based triggering, time/timer-based triggering, Triggering based on a timing advance (TA, Timing advance) value and triggering based on the elevation angle between the serving cell and the target cell.
  • Measurement events supported in the New Radio (NR) system include: A1, A2, A3, A4, A5, A6, B1 and B2.
  • cell selection and reselection include at least one of cell selection performed by the terminal at startup and cell reselection performed after startup.
  • a method for accessing a cell is provided in this embodiment, wherein, when applied to a terminal, the method includes:
  • Step 41 In response to the terminal being located in the shaded area of the cell, adjust the parameters for the terminal to select a cell to access; wherein the parameters for the terminal to select a cell to access include: parameters for cell selection and reselection, and/or parameters for cell handover.
  • the terminal may be, but is not limited to, a mobile phone, a wearable device, a vehicle-mounted terminal, a Road Side Unit (RSU, Road Side Unit), a smart home terminal, an industrial sensing device, and/or a medical device, etc.
  • a mobile phone a wearable device
  • vehicle-mounted terminal a Road Side Unit (RSU, Road Side Unit)
  • RSU Road Side Unit
  • smart home terminal an industrial sensing device, and/or a medical device, etc.
  • the cell where the terminal is located may be a cell of a terrestrial network (TN) and/or a non-terrestrial network (NTN).
  • TN terrestrial network
  • NTN non-terrestrial network
  • the cell selected and reselected by the terminal, and/or the cell to which the terminal is handed over may be a cell of a Terrestrial Network (TN).
  • TN Terrestrial Network
  • the cell selected and reselected by the terminal, and/or the cell to which the terminal is handed over may be a non-terrestrial network (NTN) cell.
  • NTN non-terrestrial network
  • the parameters of cell selection and reselection are parameters used when the terminal performs cell selection or cell reselection. For example, the duration of satisfying the reselection criteria, the cell selection reception value S relex , the cell selection quality value S qual and the R value of the R criteria, and the like.
  • the parameters for cell handover are parameters used by the terminal when performing cell handover. For example, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), a reference distance between a terminal and a neighboring cell, and a reference distance between a terminal and a satellite corresponding to the neighboring cell.
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • a reference distance between a terminal and a neighboring cell a reference distance between a terminal and a satellite corresponding to the neighboring cell.
  • the blocking area may be an area formed by the signal sent by the base station being blocked by the blocking object.
  • the base station may be a base station in the air or a base station on the ground. It should be noted that, the base station in any embodiment of the present disclosure may also be replaced by a network device.
  • the network device may be a device having part or all of the base station functions.
  • the base station may be a base station on the ground, and the satellite forwards the signal of the base station to the terminal. After the signal transmitted by the satellite is blocked by the blocker, a block area will be formed on the ground.
  • the second terminal is located in the blocking area, and the first terminal and the third terminal are not located in the blocking area.
  • the base station may be a base station in a non-terrestrial network (NTN) or a base station in a terrestrial network (TN).
  • NTN non-terrestrial network
  • TN terrestrial network
  • the same base station may belong to both a non-terrestrial network (NTN) and a terrestrial network (TN).
  • NTN non-terrestrial network
  • TN terrestrial network
  • the base stations of the non-terrestrial network may be located on the satellite or on the ground.
  • the base station can transmit the signal to the satellite through the ground station, and the satellite, after receiving the signal, forwards the signal to the terminal. It should be noted that satellites play the role of forwarding signals in the process of signal transmission.
  • the terminal can obtain distance information d between the terminal and the obstruction.
  • the terminal starts to determine whether the terminal is located in the blocking area. For example, in the process of approaching the obstruction, the terminal will continuously detect the distance between the terminal and the obstruction. When the distance between the terminal and the obstruction is less than the set distance threshold, it will start the determination of whether the terminal is located in the obstruction area. process.
  • the distance threshold D may be determined according to the information of the occluder.
  • the information of the occluder may be position information of the occluder, altitude information of the occluder, and/or shape information of the occluder, and the like.
  • the distance threshold can be set to be greater than A. In this way, the setting of the distance threshold can be flexibly adapted to the information of the occluder.
  • the shape information of the occluder may be information such as height, width, and outline.
  • the distance threshold D may be configured by the network to the terminal.
  • the base station sends a radio resource control (RRC) message carrying the distance threshold D to the terminal.
  • RRC radio resource control
  • the distance between the terminal and the blocking object is less than the distance threshold D, it can be determined that the terminal is located in the blocking area. If the distance between the terminal and the obstruction is greater than the distance threshold D, it can be determined that the terminal is not located in the obstruction area.
  • the distance between the terminal and the obstruction is smaller than the distance threshold A, and it is determined that the terminal is located in the obstruction area. If the distance between the terminal and the obstruction is greater than the distance threshold A, it is determined that the terminal is not located in the obstruction area.
  • the distance threshold A is determined according to the position of the satellite and the information of the occluder.
  • the information of the occluder may be position information of the occluder, altitude information of the occluder, and/or shape information of the occluder.
  • the distance threshold A is smaller than the distance threshold D.
  • the distance threshold when the information of the occluder is the same and the operating altitude of the satellite is greater than the altitude threshold, the distance threshold may be set greater than the distance E. In one embodiment, the distance threshold may be a threshold value at which the terminal triggers the terminal to turn on to determine whether the terminal is located in an obstructed area. For example, when the distance between the terminal and the obstructing object is less than the distance threshold, the detection to determine whether the terminal is located in the obstructed area is triggered and enabled. .
  • the detection to determine whether the terminal is located in an obstructed area is always enabled, and when the distance between the terminal and the obstructing object is less than the distance threshold, it is determined that the terminal is located in the obstructed area.
  • the areas of the blocking regions corresponding to the blocking objects are different. The height of the satellite's position is less than the height threshold, and the area of the blocked area corresponding to the blocker is greater than the area threshold. The height of the satellite's position is greater than the height threshold, and the area of the occluded area corresponding to the occluder is smaller than the area threshold. In this way, the terminal can determine the occlusion area according to the position of the satellite and the occlusion information.
  • the position of the satellite may be determined by the terminal according to ephemeris information sent by the satellite.
  • the satellite may send ephemeris information to the terminal periodically or based on an event trigger.
  • adjusting the parameter of the cell selected by the terminal to access may be to increase or decrease the parameter value of the parameter of the cell selected by the terminal to access.
  • the parameter for cell selection and reselection includes at least one of the following:
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell is the reference distance between the terminal and the satellite corresponding to the serving cell.
  • the parameters for cell selection and reselection are parameters for the terminal to perform cell selection and reselection.
  • the parameters for cell selection and reselection include at least one of parameters for cell selection and parameters for cell reselection.
  • adjusting the parameter of the terminal selecting the access cell may be increasing or decreasing the parameter value of the parameter of cell selection and reselection.
  • using the parameter values of the parameters for cell selection and reselection after adjustment to perform cell selection and reselection, compared with using the parameter values of the parameters for cell selection and reselection before adjustment to perform cell selection and re-selection can reduce the terminal cost.
  • the probability of selecting the cell corresponding to the occlusion area can reduce the probability of the terminal reselecting the adjacent cell corresponding to the occlusion area of the adjacent cell, or can increase the probability of the terminal in the occlusion area of the serving cell reselecting to other cells.
  • other cells may be adjacent cells.
  • the blocking area of the serving cell is an area where the signal of the serving cell is blocked.
  • the blocking area of the adjacent cell is the area where the signal of the adjacent cell is blocked.
  • reducing the probability that the terminal selects the cell corresponding to the occlusion area may increase the difficulty for the terminal to select the cell.
  • reducing the probability of the terminal reselecting the adjacent cell corresponding to the occluded area of the adjacent cell may increase the difficulty of the terminal reselecting the adjacent cell.
  • increasing the probability of the terminal that is in the shielded area of the serving cell reselecting to other cells may reduce the difficulty of the terminal reselecting to other cells.
  • the duration that satisfies the reselection criterion may be that when the terminal performs cell reselection, after the reselection criterion is met, the time period corresponding to the duration satisfying the reselection criterion can be reselected. conditional area.
  • adjusting the parameters for the terminal to select an access cell may be to increase the duration for which the reselection criterion is satisfied.
  • the duration for satisfying the reselection criterion is increased, it will increase the difficulty for the terminal to reselect the cell.
  • adjusting the parameters for the terminal to select an access cell may be to reduce the duration for which the reselection criterion is satisfied.
  • the duration of satisfying the reselection criterion is reduced, the difficulty of the terminal in reselection of the cell will be reduced.
  • the duration of satisfying the reselection criterion can be reduced, the difficulty of the terminal reselection of the cell can be reduced, and fast reselection can be achieved. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • the duration of satisfying the criterion for reselection to the neighboring cell may be increased, increasing the difficulty of the terminal reselection to the neighboring cell. In this way, it is possible to effectively reduce the situation that the terminal reselection to a neighboring cell whose wireless communication quality is unstable, so that the wireless communication quality of the reselected neighboring cell is more stable.
  • adjacent cells may also be referred to as adjacent cells.
  • adjusting the parameters of the cell selected by the terminal to access may be to increase the cell selection received value S relex .
  • the cell selection reception value S relex is increased, the difficulty of the terminal selecting and reselection to this cell will be reduced.
  • adjusting the parameter of the terminal to select the access cell may be to reduce the cell selection received value S relex .
  • the cell selection received value S relex is reduced, it will increase the difficulty of the terminal selecting and reselection to this cell.
  • the cell selection received value S relex of the adjacent cell in response to the terminal being located in the shaded area of the serving cell, can be increased to reduce the difficulty for the terminal to reselection to the adjacent cell and achieve fast reselection. In this way, it is easier for the terminal to reselect to a neighboring cell with more stable communication quality.
  • the adjacent cell selection received value S relex may be reduced to increase the difficulty of the terminal reselection to the adjacent cell. In this way, the situation of the terminal reselection to a cell with unstable wireless communication quality can be effectively reduced, so that the wireless communication quality of the reselected cell is more stable.
  • the adjustment of the parameters of the cell selected by the terminal to access may be to increase the cell selection quality value S qual .
  • the cell selection quality value S qual is increased, the difficulty of the terminal selecting and reselection to this cell will be reduced.
  • adjusting the parameters of the terminal selected to access the cell may be to reduce the cell selection quality value S qual .
  • the cell selection quality value S qual is reduced, it will increase the difficulty of terminal selection and reselection to this cell.
  • the cell selection quality value S qual of the adjacent cell in response to the terminal being located in the shaded area of the serving cell, can be increased to reduce the difficulty for the terminal to reselection to the adjacent cell and achieve fast reselection. In this way, it is easier for the terminal to reselect to a neighboring cell with more stable communication quality.
  • the cell selection quality value S qual of the neighboring cell may be reduced to increase the difficulty of the terminal reselection to the neighboring cell. In this way, the situation of the terminal reselection to a cell with unstable wireless communication quality can be effectively reduced, so that the wireless communication quality of the reselected cell is more stable.
  • adjusting the parameters of the cell selected by the terminal to access may be to increase the R value of the R criterion.
  • the R value of the R criterion is increased, it will reduce the difficulty of the terminal reselection to the cell corresponding to the R value.
  • adjusting the parameters of the cell selected by the terminal to access may be to reduce the R value of the R criterion.
  • the R value of the R criterion when the R value of the R criterion is reduced, it will increase the difficulty of the terminal reselection to the cell corresponding to the R value.
  • the R value of the R criterion of the adjacent cell in response to the terminal being located in the occluded area of the serving cell, can be increased, so as to reduce the difficulty of reselection of the terminal to the adjacent cell, and realize fast reselection. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • the R value of the R criterion corresponding to the neighboring cell in response to the terminal being located in an obstructed area of a neighboring cell, can be reduced, increasing the difficulty of the terminal reselection to the neighboring cell. In this way, it is possible to reduce the situation that the terminal reselects to a cell with unstable wireless communication quality, so that the wireless communication quality of the reselected cell is more stable.
  • adjusting the parameter of the cell selected by the terminal to access may be to increase the reference distance between the terminal and the adjacent cell.
  • the reference distance between the terminal and the adjacent cell is the set distance threshold. It is used to compare with the actual measured distance. For example, when the actual measured distance is less than the distance threshold, the adjacent cell can be reselected.
  • adjusting the parameters of the cell selected by the terminal to access may be to reduce the reference distance between the terminal and neighboring cells.
  • the reference distance between the terminal and the adjacent cell is reduced, it will increase the difficulty of the terminal reselection to the adjacent cell.
  • the reference distance between the terminal and the adjacent cell in response to the terminal being located in the shaded area of the serving cell, the reference distance between the terminal and the adjacent cell can be increased, the difficulty of the terminal reselecting the cell can be reduced, and the fast reselection can be realized. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • the reference distance between the terminal and the adjacent cell in response to the terminal being located in the shaded area of the adjacent cell, can be reduced, increasing the difficulty of the terminal reselection to the adjacent cell. In this way, it is possible to reduce the situation that the terminal reselects to a cell with unstable wireless communication quality, so that the wireless communication quality of the reselected cell is more stable.
  • adjusting the parameters of the cell selected by the terminal to access may be to increase the reference distance between the terminal and the satellite corresponding to the adjacent cell.
  • the reference distance between the terminal and the satellite corresponding to the adjacent cell is increased, the difficulty of the terminal reselection to the adjacent cell will be reduced.
  • the reference distance between the terminal and the satellite corresponding to the adjacent cell is the set distance threshold. It is used to compare with the actual measured distance. For example, when the actual measured distance is less than the distance threshold, the adjacent cell can be reselected.
  • adjusting the parameters of the cell selected by the terminal to access may be to reduce the reference distance between the terminal and the satellite corresponding to the adjacent cell.
  • the reference distance between the terminal and the satellite corresponding to the adjacent cell is reduced, it will increase the difficulty of the terminal reselection to the adjacent cell.
  • the reference distance between the terminal and the satellite corresponding to the adjacent cell can be increased, so as to reduce the difficulty of the terminal reselection of the cell and realize fast reselection. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • the reference distance between the terminal and the satellite corresponding to the adjacent cell can be reduced, increasing the difficulty of the terminal reselection to the adjacent cell. In this way, it is possible to reduce the situation that the terminal reselects to a cell with unstable wireless communication quality, so that the wireless communication quality of the reselected cell is more stable.
  • the adjustment may be to increase or decrease the parameter value on the basis of the current parameter value according to a preset step size.
  • the parameter value may be adjusted according to a preset step size.
  • the preset step size may be configured by the base station to the terminal. After receiving the preset step size configured by the base station for the terminal, the terminal increases or decreases the parameter value according to the preset step size.
  • the parameter for the terminal to select the access cell is the parameter for the cell handover
  • the parameter for the cell handover may include at least one of the following:
  • RSRP Reference Signal Received Power
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell
  • Timing Advance (TA) value
  • the elevation angle of the terminal relative to the satellite is the elevation angle of the terminal relative to the satellite
  • TTT Time To Trigger
  • the above-mentioned parameters for cell handover are parameters for performing cell handover.
  • the parameters for cell handover may be parameters for cell handover based on Conditional Handover (CHO).
  • adjusting the parameter of the terminal selected to access the cell may be to increase or decrease the parameter value of the parameter of the cell handover.
  • using the adjusted parameter value of the cell handover parameter to perform the cell handover can reduce the number of adjacent cells corresponding to the occluded area of the terminal switching to the adjacent cell, compared to using the parameter value of the cell handover parameter before the adjustment to perform the cell handover.
  • other cells may be adjacent cells.
  • the blocking area of the serving cell is an area where the signal of the serving cell is blocked.
  • the blocking area of the adjacent cell is the area where the signal of the adjacent cell is blocked.
  • reducing the probability of the terminal switching to the adjacent cell corresponding to the blocking area of the adjacent cell may increase the difficulty of the terminal switching to the adjacent cell.
  • increasing the probability of the terminal in the shielded area of the serving cell switching to other cells may reduce the difficulty of switching the terminal to other cells.
  • adjusting the parameters of the terminal selected to access the cell may be to increase the reference signal received power (RSRP) of the serving cell.
  • RSRP reference signal received power
  • adjusting the parameters of the terminal to select the access cell may be to reduce the reference signal received power (RSRP) of the serving cell.
  • RSRP reference signal received power
  • the reference signal received power (RSRP) of the serving cell in response to the terminal being located in the shaded area of the serving cell, can be reduced, the difficulty of switching the cell by the terminal is reduced, and the fast handover can be realized. In this way, it is easier for the terminal to switch to a cell with more stable communication quality.
  • RSRP reference signal received power
  • the reference signal received power (RSRP) of the serving cell may be increased, increasing the difficulty of the terminal switching between cells. In this way, it is possible to reduce the situation that the terminal switches to a cell with unstable communication quality, so that the wireless communication quality of the switched cell is more stable.
  • adjusting the parameters of the cell selected by the terminal to access may be to increase the reference signal received power (RSRP) of the neighboring cell.
  • RSRP reference signal received power
  • adjusting the parameters of the cell selected by the terminal to access may be to reduce the reference signal received power (RSRP) of the neighboring cells.
  • RSRP reference signal received power
  • the reference signal received power (RSRP) of the adjacent cell in response to the terminal being located in the shaded area of the serving cell, can be increased, so as to reduce the difficulty for the terminal to switch cells and realize fast handover. In this way, it is easier for the terminal to switch to a cell with more stable communication quality.
  • the reference signal received power (RSRP) of the adjacent cell in response to the terminal being located in the shaded area of the adjacent cell, the reference signal received power (RSRP) of the adjacent cell may be reduced, increasing the difficulty of handover of the terminal to the adjacent cell.
  • RSRP reference signal received power
  • adjusting the parameter of the cell selected by the terminal to access may be to increase the reference distance between the terminal and the adjacent cell.
  • the reference distance between the terminal and the adjacent cell is the set distance threshold. It is used to compare with the actual measured distance. For example, when the actual measured distance is less than the distance threshold, it is possible to switch to the adjacent cell.
  • adjusting the parameters of the cell selected by the terminal to access may be to reduce the reference distance between the terminal and neighboring cells.
  • the reference distance between the terminal and the adjacent cell is reduced, it will increase the difficulty for the terminal to switch to the adjacent cell.
  • the reference distance between the terminal and adjacent cells in response to the terminal being located in the shaded area of the serving cell, can be increased, the difficulty of switching the cell by the terminal is reduced, and fast handover can be achieved. In this way, it is easier for the terminal to switch to a cell with more stable communication quality.
  • the reference distance between the terminal and the neighboring cell in response to the terminal being located in an obstructed area of a neighboring cell, the reference distance between the terminal and the neighboring cell can be reduced, and the difficulty of switching the terminal to the neighboring cell can be increased. In this way, it is possible to reduce the situation that the terminal is handed over to a cell with unstable communication quality, so that the wireless communication quality of the cell after the handover is more stable.
  • the cell selection and reselection parameters and/or cell handover parameters when performing cell selection and reselection and/or cell handover, if the terminal is located in the shaded area of the cell, parameters of cell selection and reselection and/or cell handover parameters are adjusted in time. Compared with using the same cell selection and reselection parameters and/or cell handover parameters in any area of the cell, the cell selection and reselection parameters and/or cell handover parameters can be better adapted The wireless communication environment in the area where the terminal is located can reliably implement cell selection and reselection, and/or cell handover.
  • a method for accessing a cell is provided in this embodiment, and the method further includes:
  • Step 61 In response to the terminal being located in the shaded area of the cell, adjust the parameters for the terminal to select to access the cell, including:
  • the parameter selection of the terminal for selecting the access cell is adjusted to the parameter value of the adjacent cell corresponding to the blocking area.
  • the neighboring cells in response to the terminal being located within the occlusion area of the serving cell, may be all cells adjacent to the serving cell.
  • the adjacent cell in response to the terminal being located in the blocking area of the adjacent cell, the adjacent cell is the adjacent cell to which the blocking area belongs.
  • adjusting the parameter value of the parameter selected to the adjacent cell may be to adjust the parameter value of the selection and reselection parameter selected to one of the following adjacent cells:
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell is the reference distance between the terminal and the satellite corresponding to the serving cell.
  • adjusting the parameter value of the parameter selected to the adjacent cell may be to adjust the parameter value of the parameter of the handover cell selected to one of the following adjacent cells:
  • RSRP Reference Signal Received Power
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell
  • Timing Advance (TA) value
  • the elevation angle of the terminal relative to the satellite is the elevation angle of the terminal relative to the satellite
  • TTT Trigger duration for conditional switching (CHO).
  • adjusting the parameter value of the adjacent cell corresponding to the occlusion area by adjusting the parameter selection may be adjusting the parameter value of one of the following selection and reselection parameters of the adjacent cell corresponding to the occlusion area:
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell is the reference distance between the terminal and the satellite corresponding to the serving cell.
  • the adjustment parameter is selected to the parameter value of the adjacent cell corresponding to the occlusion area, which may be the parameter value of the parameter of the handover cell of one of the following adjacent cells corresponding to the occlusion area:
  • RSRP Reference Signal Received Power
  • the reference distance between the terminal and the serving cell is the reference distance between the terminal and the serving cell
  • the reference distance between the terminal and the satellite corresponding to the serving cell
  • Timing Advance (TA) value
  • the elevation angle of the terminal relative to the satellite is the elevation angle of the terminal relative to the satellite
  • TTT Trigger duration for conditional switching (CHO).
  • Step 41 adjusting parameters for a terminal to select an access cell, including:
  • Step 71 In response to the terminal being in a radio resource control (RRC) idle state, adjust parameters of cell selection and reselection.
  • RRC radio resource control
  • it may be a parameter value that increases or decreases the parameters of cell selection and reselection.
  • Step 41 adjusting parameters for a terminal to select an access cell, including:
  • Step 81 In response to the terminal being in the (RRC) connected state, adjust the parameters of the cell handover.
  • it may be a parameter value that increases or decreases the parameters of cell selection and reselection.
  • the parameters of the cell handover include:
  • a method for accessing a cell is provided in this embodiment, and the method further includes:
  • Step 91 Send a measurement report to the network equipment; wherein, the measurement report carries indication information, the indication information indicates that the terminal is located in the occlusion area of the cell, and is used for the network equipment to determine the cell to which the terminal is handed over.
  • the network device may be a base station.
  • the measurement report carries indication information that signals of neighboring cells are affected.
  • RRC radio resource control
  • the measurement report carries indication information that the signal of the serving cell is affected.
  • RRC radio resource control
  • the cell is determined to perform handover according to the measurement report reported by the terminal and the indication information that the serving cell and/or neighboring cell signals are affected.
  • CHO unconditional handover
  • a method for accessing a cell is provided in this embodiment, and the method further includes:
  • Step 101 obtaining the information of the occluder
  • Step 102 Determine whether the terminal is located in the occluded area of the cell according to the information of the occluder.
  • the information of the occluder includes at least one of the following: position information of the occluder, altitude information of the occluder, and shape information of the occluder.
  • the shape information of the occluder may be information such as height, width, and outline.
  • acquiring the information of the occluder includes:
  • the network device may be a base station.
  • the terminal in response to the distance between the terminal and the occluder being within the distance threshold range, it is determined whether the terminal is located in the occlusion area of the cell; wherein the distance threshold is determined according to the information of the occluder.
  • the terminal can obtain distance information d between the terminal and the obstruction.
  • the terminal starts to determine whether the terminal is located in the blocking area.
  • the distance threshold D may be determined according to the information of the occluder.
  • the information of the occluder may be position information of the occluder, altitude information of the occluder, and/or shape information of the occluder.
  • the distance threshold D may be configured by the network to the terminal.
  • the base station sends a radio resource control (RRC) message carrying the distance threshold D to the terminal.
  • RRC radio resource control
  • the distance between the terminal and the blocking object is less than the distance threshold D, it can be determined that the terminal is located in the blocking area. If the distance between the terminal and the obstruction is greater than the distance threshold D, it can be determined that the terminal is not located in the obstruction area.
  • the distance between the terminal and the obstruction is smaller than the distance threshold A, and it is determined that the terminal is located in the obstruction area. If the distance between the terminal and the obstruction is greater than the distance threshold A, it is determined that the terminal is not located in the obstruction area.
  • the distance threshold A is determined according to the position of the satellite and the information of the occluder.
  • the information of the occluder may be position information of the occluder, altitude information of the occluder, and/or shape information of the occluder.
  • the distance threshold A is smaller than the distance threshold D.
  • the preset direction interval of the occluder refers to an area range set with the occluder as the center and the reference direction as the reference.
  • the reference direction may be any one of east, south, west, and north.
  • the preset direction interval range is [M, N], where M and N can be used as north-east, north-east, north-west, west-north, east-south, and south-east , expressed as an alpha angle of south by west or south by west.
  • the distance threshold A and the preset direction interval may be determined according to the position of the satellite and the information of the occluder.
  • the information of the occluder may be position information of the occluder, altitude information of the occluder, and/or shape information of the occluder.
  • the distance threshold A is smaller than the distance threshold D.
  • Step 41 adjusting parameters for a terminal to select an access cell, including:
  • Step 111 Increase or decrease the parameter value of the parameter of the cell selected by the terminal to access the cell by an offset.
  • the terminal receives an offset configuration message sent by a network device; wherein the offset configuration message carries an offset.
  • it may be a radio resource control (RRC) message that is sent by the receiving network device and carries an offset configuration message.
  • RRC radio resource control
  • the network device may determine the offset according to the channel transmission environment.
  • the terminal since the offset is configured by the network device for the terminal, the terminal can adjust the offset according to the channel transmission environment, so that the terminal selects the access cell The parameter value adjustment of the parameter is more reasonable.
  • the offset is determined according to the location information of the terminal, the location information of the satellite, and the information of the occluder. In one embodiment, the offset is determined according to the location of the terminal, the location information of the satellite, and the information of the occluder, including:
  • the offset is determined according to the mapping relationship between the position information of the terminal, the position information of the satellite, the information of the occluder and the offset.
  • the method further includes:
  • the network device may be a base station.
  • a method for accessing a cell is provided in this embodiment, and the method further includes:
  • Step 121 obtaining the ephemeris information of the satellite
  • Step 122 Determine the position information of the satellite according to the ephemeris information.
  • obtaining the ephemeris information of the satellite includes:
  • the ephemeris information is determined according to the identity identification (ID) of the satellite and the preconfigured information; wherein, the identification identification (ID) is sent by the base station; the preconfigured information includes the ephemeris information of at least one satellite.
  • the network device may be a base station.
  • RRC Radio Resource Control
  • step a2 the distance between the terminal and the obstruction n is less than D0 n , and the terminal starts to periodically determine whether the terminal is located in the obstruction area according to the location of the terminal, ephemeris information and information of the obstruction.
  • Step a3 the terminal determines that the terminal is located in the blocking area of the neighboring cell A, then:
  • the duration requirement for reselection to adjacent cell A is set as: Treselection +Toffset shadow ;
  • Treselection is the reselection monitoring time;
  • the calculation of S relex and S qual of neighbor A is set as:
  • Srxlev is the cell selection reception value
  • Squal is the cell selection quality value
  • Q rxlevmeam is the RSRP value of the measured cell
  • Q rxlexmin is the minimum reception level
  • Q rxlexminoffset is the minimum reception level offset
  • Qoffset temp is the temporary offset value
  • Q qualmeam measures the RSRQ value of the cell
  • Q qualmin is the minimum received signal quality
  • Q qualminoffset is the minimum Received signal reception quality offset value
  • the calculation of the R value R n of the neighbor A is set as:
  • Rn Qmeas.n -Qoffset-Qoffset temp -Qoffset shadow ; wherein, Qmeas.n is the reference signal received power (RSRP) measurement value of the adjacent cell; Qoffset temp is the temporary offset value;
  • RSRP reference signal received power
  • D actually measured D+DOffset shadow .
  • D is the distance between the terminal and the center of the neighboring cell A
  • Dth is the distance threshold between the terminal and the center of the neighboring cell A.
  • the above solution makes it more difficult for the terminal to reselect to the neighboring cell A. In this way, the wireless communication quality after reselection is more stable.
  • RRC Radio Resource Control
  • step b2 the distance between the terminal and the obstruction n is less than D0 n , and the terminal starts to periodically determine whether the terminal is located in the obstruction area according to the location of the terminal, ephemeris information and information of the obstruction.
  • step b3 the UE finds that it is located in the affected area of the satellite signal of the serving cell, then
  • the duration requirement of the reselection adjacent cell is set as: Treselection -Toffset shadow , and the time that the terminal resides in this cell may be less than 1s; here, Treselection is the reselection monitoring time;
  • the calculation of S relex and S qual of this serving cell is set as:
  • Srxlev is the cell selection reception value
  • Squal is the cell selection quality value
  • Q rxlevmeam is the RSRP value of the measured cell
  • Q rxlexmin is the minimum reception level
  • Q rxlexminoffset is the minimum reception level offset
  • Qoffset temp is the temporary offset value
  • Q qualmeam measures the RSRQ value of the cell
  • Q qualmin is the minimum received signal quality
  • Q qualminoffset is the minimum Received signal reception quality offset value
  • the calculation of the R value R s of this serving cell is set as:
  • R s Q meas.s -Qoffset-Qoffset temp -Qoffset shadow ;
  • Qmeas.s is the reference signal received power (RSRP) measurement value of the serving cell;
  • Qoffset temp is the temporary offset value;
  • D is the distance between the terminal and the center of the adjacent cell
  • Dth is the distance threshold between the terminal and the center of the adjacent cell.
  • the above solution makes it less difficult for the terminal to reselect to a new cell. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • RRC Radio Resource Control
  • step c2 the terminal receives the conditional handover (CHO) condition configured by the network, and there are three candidate target adjacent cells, namely adjacent cell A, adjacent cell B, and adjacent cell C;
  • Step c3 the distance between the terminal and the obstruction n is less than D0 n , and the terminal starts to periodically determine whether the terminal is located in the obstruction area according to the location of the terminal, ephemeris information and information of the obstruction.
  • Step c4 the terminal finds that the terminal is located in the occlusion area of the neighboring cell A, then:
  • Step c5 adjust the condition switching (CHO) trigger condition parameters corresponding to the adjacent area A, there are:
  • the measurement-based condition switching (CHO) trigger condition configured by the network then the RSRP/RSRQ corresponding to the neighboring cell A used to judge whether this condition is established is:
  • RSRP actually measured RSRP-Qoffset shadow ;
  • RSRQ actually measured RSRQ-Qoffset shadow ;
  • the location-based condition switching (CHO) trigger condition configured by the network, then the distance D between the terminal and the center of the neighboring cell A for judging whether this condition is established is:
  • the network configuration is based on the conditional handover (CHO) trigger condition of time or timer, then the time setting or timer duration of switching to this adjacent cell is updated to the original configuration parameter of the base station plus the offset value Toffset shadow ;
  • the network configures a conditional handover (CHO) trigger condition based on a timing advance (TA) value or elevation angle, similar to a conditional handover (CHO) trigger based on time and location;
  • a conditional handover (CHO) trigger condition based on a timing advance (TA) value or elevation angle, similar to a conditional handover (CHO) trigger based on time and location;
  • TA timing advance
  • CHO conditional handover
  • adjusting the duration requirement satisfied by the CHO trigger condition corresponding to neighboring cell A then:
  • New trigger duration requirement original trigger duration requirement+Toffset shadow ;
  • the above solution makes it more difficult for the terminal to switch to the neighboring cell A. In this way, the wireless communication quality after reselection is more stable.
  • RRC Radio Resource Control
  • Step d2 the terminal receives the condition of the condition switching (CHO) of the network configuration
  • step d3 the distance between the terminal and the obstruction n is less than D0 n , and the terminal starts to periodically determine whether the terminal is located in the obstruction area according to the location of the terminal, ephemeris information and information of the obstruction.
  • Step d4 the terminal determines that the terminal is located in the occlusion area of the serving cell, then:
  • Step d5 adjust the condition switching (CHO) trigger condition parameters, there are:
  • the measurement-based conditional handover (CHO) trigger condition configured by the network, the RSRP/RSRQ corresponding to the serving cell used for judging whether the condition is established is:
  • RSRP actually measured RSRP-Qoffset shadow ;
  • RSRQ actually measured RSRQ-Qoffset shadow ;
  • the location-based conditional handover (CHO) trigger condition configured by the network, then the distance D between the terminal and the center of the serving cell for judging whether this condition is established is:
  • the network configures a conditional handover (CHO) trigger condition based on time or timer, then the time setting or timer duration for switching to the candidate target cell is updated to the original configuration parameter of the base station minus the offset value Toffset shadow ;
  • CHO conditional handover
  • the network configures a conditional handover (CHO) trigger condition based on a timing advance (TA) value or elevation angle, similar to a conditional handover (CHO) trigger based on time and location;
  • a conditional handover (CHO) trigger condition based on a timing advance (TA) value or elevation angle, similar to a conditional handover (CHO) trigger based on time and location;
  • TA timing advance
  • CHO conditional handover
  • adjusting the duration requirement that the condition switching (CHO) trigger condition meets then:
  • New trigger duration requirement original trigger duration requirement-Toffset shadow ;
  • the above technical solutions make it easier for the terminal to switch to a new cell. In this way, it is easier for the terminal to reselect to a cell with more stable communication quality.
  • an apparatus for accessing a cell is provided in this embodiment, wherein, when applied to a terminal, the apparatus includes an adjustment module 131, wherein,
  • the adjustment module 131 is configured to: in response to the terminal being located in the shaded area of the cell, adjust the parameters for the terminal to select the access cell; wherein the parameters for the terminal to select the access cell include: cell selection and reselection parameters, and/or Cell handover parameters.
  • the adjustment module 131 is further configured to:
  • the parameter selection of the terminal for selecting the access cell is adjusted to the parameter value of the adjacent cell corresponding to the blocking area.
  • Embodiments of the present disclosure provide a communication device, the communication device includes:
  • memory for storing processor-executable instructions
  • the processor is configured to, when executing the executable instructions, implement the method applied to any embodiment of the present disclosure.
  • the processor may include various types of storage media, which are non-transitory computer storage media that can continue to memorize and store information on the communication device after the power is turned off.
  • the processor can be connected to the memory through a bus or the like, and is used to read the executable program stored on the memory.
  • An embodiment of the present disclosure further provides a computer storage medium, wherein the computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, the method of any embodiment of the present disclosure is implemented.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • base station 900 includes processing component 922, which further includes one or more processors, and a memory resource represented by memory 932 for storing instructions executable by processing component 922, such as application programs.
  • An application program stored in memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to perform any of the aforementioned methods applied to the base station.
  • the base station 900 may also include a power supply assembly 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input output (I/O) interface 958.
  • Base station 900 may operate based on an operating system stored in memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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

Abstract

Les modes de réalisation de la présente demande concernent un procédé d'accès à une cellule. Le procédé est appliqué dans un terminal, et comprend : en réponse à un terminal situé dans une zone bloquée d'une cellule, l'ajustement de paramètres pour permettre au terminal de sélectionner une cellule d'accès, les paramètres pour le terminal sélectionnant une cellule d'accès comprenant : des paramètres pour la sélection et la resélection de cellule et/ou des paramètres pour un transfert intercellulaire de cellule.
PCT/CN2020/120942 2020-10-14 2020-10-14 Procédé et appareil d'accès à une cellule, dispositif de communication et support d'enregistrement WO2022077282A1 (fr)

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PCT/CN2020/120942 WO2022077282A1 (fr) 2020-10-14 2020-10-14 Procédé et appareil d'accès à une cellule, dispositif de communication et support d'enregistrement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115996402A (zh) * 2023-02-01 2023-04-21 上海移远通信技术股份有限公司 用于无线通信的方法及装置
CN115996402B (zh) * 2023-02-01 2024-02-02 上海移远通信技术股份有限公司 用于无线通信的方法及装置

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