WO2024031460A1 - Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage - Google Patents

Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage Download PDF

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Publication number
WO2024031460A1
WO2024031460A1 PCT/CN2022/111542 CN2022111542W WO2024031460A1 WO 2024031460 A1 WO2024031460 A1 WO 2024031460A1 CN 2022111542 W CN2022111542 W CN 2022111542W WO 2024031460 A1 WO2024031460 A1 WO 2024031460A1
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Prior art keywords
access
information
signal coverage
period
access behavior
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PCT/CN2022/111542
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English (en)
Chinese (zh)
Inventor
毛玉欣
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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 PCT/CN2022/111542 priority Critical patent/WO2024031460A1/fr
Priority to CN202280003110.6A priority patent/CN117882316A/zh
Publication of WO2024031460A1 publication Critical patent/WO2024031460A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present disclosure relates to but is not limited to the field of communication technology, and in particular, to an access behavior determination method, device, communication equipment and storage medium.
  • NTN Non-Terrestrial Networks
  • signal coverage is provided by satellites. Affected by the number of satellites providing signal coverage and the movement of satellites, there may be situations where satellites are unable to provide continuous signal coverage for the area where the UE is located. When coverage is interrupted, the UE will continue to search for signals, which will consume the terminal's power. In addition, if the service is being carried out, the terminal will also be terminated. Therefore, when satellites provide discontinuous coverage, how to optimize user access is an urgent problem to be solved.
  • Embodiments of the present disclosure disclose an access behavior determination method, device, communication equipment, and storage medium.
  • a method for determining access behavior is provided, which is executed by a core network device and includes:
  • the access behavior of the UE during the no-signal coverage period is determined, wherein the no-signal coverage period includes: the satellite access for all The period during which there is no signal coverage in the area where the UE is located;
  • the access behavior indication information is used to indicate the access behavior of the UE during the no signal coverage period.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • determining the access behavior of the UE during the period of no signal coverage includes at least one of the following:
  • the method further includes:
  • the access behavior indication information is used to indicate the access behavior of the UE during the no signal coverage period.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of networks that do not allow the UE to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the method further includes: obtaining the access information from at least one of the following:
  • Access and Mobility Management Function AMF
  • NWDAF Network Data Analytics Function
  • UDM Unified Data Management
  • the core network equipment includes at least one of the following:
  • an access behavior determination method is provided, wherein the method is executed by user equipment UE, including:
  • the no signal coverage period includes: the satellite access has no signal coverage for the area where the UE is located.
  • the method further includes: receiving the access behavior indication information sent by the core network device.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the access behavior is determined by the core network device determining to execute a UE parameter update process
  • the access behavior is determined by the core network device determining that the access network device releases the access connection of the satellite access.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of networks that do not allow the UE to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the method further includes: in response to not receiving the access behavior indication information, adopting a predetermined access behavior during the no signal coverage period.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the access information is obtained by the core network device from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network equipment includes at least one of the following:
  • an access behavior determination device which is provided in a core network device and includes:
  • a processing module configured to determine, based on the access information of the user equipment UE using satellite access, the access behavior of the UE during the no-signal coverage period, where the no-signal coverage period includes: the satellite access for all The period during which there is no signal coverage in the area where the UE is located
  • the access behavior indication information is used to indicate the access behavior of the UE during the no signal coverage period.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the processing module is specifically configured to be at least one of the following:
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and to indicate the identity of the network that the UE is not allowed to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the processing module is further configured to obtain the access information from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network equipment includes at least one of the following:
  • an access behavior determination device is provided, wherein the device is provided in user equipment UE and includes:
  • a processing module configured to determine the access behavior of the UE during the period of no signal coverage based on the access behavior indication information; wherein the access behavior is based on the access behavior of the UE using satellite access by the core network device. Determined by the incoming information, wherein the no signal coverage period includes: a period in which the satellite access has no signal coverage for the area where the UE is located.
  • the apparatus further includes: a transceiver module configured to receive the access behavior indication information sent by the core network device.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters a power saving mode, wherein the UE is not connected to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the access behavior is determined by the core network device determining to execute a UE parameter update process
  • the access behavior is determined by the core network device determining that the access network device releases the access connection of the satellite access.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of networks that do not allow the UE to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the processing module is further configured to adopt a predetermined access behavior during the no-signal coverage period in response to not receiving the access behavior indication information.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the access information is obtained by the core network device from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network equipment includes at least one of the following:
  • a communication device wherein the communication device includes:
  • memory for storing instructions executable by the processor
  • the processor is configured to implement the access behavior determination method described in the first aspect or the second aspect when running the executable instructions.
  • a computer storage medium stores a computer executable program, and when executed by a processor, the executable program implements the first aspect or the second aspect. Access behavior determination method.
  • the core network device determines the access behavior of the user equipment (UE) using satellite access during the no-signal coverage period, where the no-signal coverage period includes: The satellite access has no signal coverage for the area where the UE is located; sends access behavior indication information to the UE, and the access behavior indication information is used to indicate that the UE has no signal coverage during the period of no signal coverage. access behavior.
  • the access behavior of the UE during the period of no signal coverage is determined, thereby optimizing the user's access behavior when the satellite provides discontinuous coverage.
  • Figure 1 is a schematic structural diagram of a wireless communication system.
  • Figure 2 is a flow chart of a method for determining access behavior according to an exemplary embodiment.
  • Figure 3 is a flowchart of an access behavior determination method according to an exemplary embodiment.
  • Figure 4 is a flowchart of an access behavior determination method according to an exemplary embodiment.
  • Figure 5 is a flowchart of an access behavior determination method according to an exemplary embodiment.
  • Figure 6 is a flowchart of an access behavior determination method according to an exemplary embodiment.
  • Figure 7 is a flowchart of an access behavior determination method according to an exemplary embodiment.
  • Figure 8 is a block diagram of an access behavior determination device according to an exemplary embodiment.
  • Figure 9 is a block diagram of an access behavior determination device according to an exemplary embodiment.
  • Figure 10 is a block diagram of a UE according to an exemplary embodiment.
  • Figure 11 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • word “if” as used herein may be interpreted as "when” or "when” or "in response to determining.”
  • 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.
  • the wireless communication system may include several user equipments 110 and several base stations 120.
  • user equipment 110 may be a device that provides voice and/or data connectivity to a user.
  • the user equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN).
  • RAN Radio Access Network
  • the user equipment 110 may be an Internet of Things user equipment, such as a sensor device, a mobile phone (or a "cellular" phone) ) and computers with IoT user equipment, which may be, for example, fixed, portable, pocket-sized, handheld, computer-built-in, or vehicle-mounted devices.
  • the user equipment 110 may also be equipment of an unmanned aerial vehicle.
  • the user equipment 110 may also be a vehicle-mounted device, for example, it may be an on-board computer with a wireless communication function, or a wireless user equipment connected to an external on-board computer.
  • the user equipment 110 may also be a roadside device, for example, it may be a streetlight, a signal light or other roadside device with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system can be the 4th generation mobile communication technology (the 4th generation mobile communication, 4G) system, also known as the Long Term Evolution (LTE) system; or the wireless communication system can also be a 5G system, Also called new air interface 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 the New Generation-Radio Access Network (NG-RAN).
  • NG-RAN New Generation-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 the 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 equipped with a protocol stack including the Packet Data Convergence Protocol (PDCP) layer, the Radio Link Control protocol (Radio Link Control, RLC) layer, and the Media Access Control (Medium Access Control, MAC) layer;
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • the distribution unit is provided with a physical (Physical, PHY) layer protocol stack, and the embodiment of the present disclosure does not limit the specific implementation of the base station 120.
  • a wireless connection may 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 the next generation mobile communication network technology standard of 5G.
  • an E2E (End to End, end-to-end) connection can also be established between user equipments 110 .
  • vehicle-to-vehicle (V2V) communication vehicle-to-roadside equipment (vehicle to Infrastructure, V2I) communication and vehicle-to-person (vehicle to pedestrian, V2P) communication in vehicle networking communication (vehicle to everything, V2X) Wait for the scene.
  • V2V vehicle-to-vehicle
  • V2I vehicle-to-roadside equipment
  • V2P vehicle-to-person communication in vehicle networking communication
  • V2X vehicle networking communication
  • the above user equipment can be considered as the terminal equipment of the following embodiments.
  • the above-mentioned wireless communication system may also 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 can also be other core network devices, such as serving gateway (Serving GateWay, SGW), public data network gateway (Public Data Network GateWay, PGW), policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or Home Subscriber Server (HSS), etc.
  • serving gateway Serving GateWay, SGW
  • public data network gateway Public Data Network GateWay, PGW
  • Policy and Charging Rules Policy and Charging Rules
  • PCRF Policy and Charging Rules
  • HSS Home Subscriber Server
  • the embodiments of the present disclosure enumerate multiple implementations to clearly describe the technical solutions of the embodiments of the present disclosure.
  • the multiple embodiments provided in the embodiments of the present disclosure can be executed alone or in combination with the methods of other embodiments in the embodiments of the present disclosure. They can also be executed alone or in combination. It is then executed together with some methods in other related technologies; the embodiments of the present disclosure do not limit this.
  • satellite access may be affected by satellite beam coverage and insufficient number of satellites.
  • the signal coverage provided to the ground may be discontinuous, that is, the UE accesses the network through satellite in a certain area. When there is no satellite signal coverage during a specific period of time. For example, after the UE obtains 20 minutes of satellite access signal coverage, it takes 10 hours to obtain 20 minutes of signal coverage again.
  • the embodiment of the present disclosure provides a method for determining access behavior, which is executed by core network equipment, including:
  • Step 201 Based on the access information of the UE using satellite access, determine the access behavior of the UE in the no-signal coverage period, wherein the no-signal coverage period includes: the satellite access to the area where the UE is located Periods without signal coverage;
  • Step 202 Send access behavior indication information to the UE, where the access behavior indication information is used to indicate the access behavior of the UE during the no-signal coverage period.
  • the UE can be a terminal such as a mobile phone.
  • UE can access the network through satellite access.
  • the UE can access the network through other access behaviors, such as access through ground base stations.
  • the access behavior of the UE during the period of no signal coverage can be determined by the core network equipment.
  • the UE's access information may include, but is not limited to, access capability information used to determine the UE's access behavior during the period of no signal coverage, UE's load information, UE's status information, etc.
  • the UE's access information may be reported by the UE to the core network device during the registration process.
  • the core network equipment includes at least one of the following:
  • the AMF or UDM in the core network device may determine the access behavior of the UE during the period of no signal coverage based on the UE's access information.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the UE can enter the power saving mode.
  • the UE In the power saving mode, the UE enters the sleep state and does not establish a connection with the network, thereby saving power.
  • the UE may also select other available access networks, such as the first access network.
  • the other available access may be a terrestrial cellular access network, such as NR.
  • the PLMN corresponding to other available accesses may be different from the PLMN corresponding to the satellite access.
  • other available accesses may be other satellite access networks that are different from the satellite access, such as satellite access of other operators. Selecting other available accesses can enable the UE to continue using network services during periods of no signal coverage and meet the UE's communication needs.
  • the UE selects other available accesses, which may include the UE selecting and accessing other available accesses.
  • the access behavior of the UE during the period of no signal coverage is determined, and the user's access behavior is optimized when the satellite provides discontinuous coverage.
  • determining the access behavior of the UE during the period of no signal coverage includes at least one of the following:
  • the core network equipment can determine the UE's access behavior during the period of no signal coverage during the UE parameter update process.
  • the UDM network element in the core network equipment can determine the UE's access behavior during the period of no signal coverage during the parameter update process.
  • UDM can obtain the UE's access information from the AMF, NWDAF and/or AF, and then determine the UE's access behavior.
  • the UE uses satellite access to access the 5G core network and completes access registration.
  • the UDM decides that it needs to perform the UE Parameters Update (Ue Parameters Update, UPU) UPU process (for example, it is predicted that the signal coverage of the area where the UE is located by the satellite access is about to be lost, or the UDM receives an initiation from other network elements (such as AMF) UPU trigger)
  • UDM obtains the UE's access information from AMF, NWDAF and/or AF, etc., and then determines the UE's access behavior during the period of no signal coverage.
  • the AMF network element in the core network device can determine the access of the UE during the period of no signal coverage when the access network device releases the access connection of the UE associated with the satellite access. Behavior.
  • AMF can obtain the UE's access information from AMF, NWDAF and/or AF to determine the UE's access behavior.
  • the UE uses the gNB corresponding to the current satellite access and detects based on the satellite coverage information that the UE is about to lose the signal coverage of the current satellite access.
  • gNB can initiate an N2 Context release request to AMF to release the N2 connection.
  • the AMF may determine the UE's access behavior during the period of no signal coverage.
  • the core network may instruct the UE through the access behavior indication information.
  • the core network device sends access behavior indication information to the UE. After receiving the access behavior indication information sent by the core network, the UE determines the UE's access behavior during the period of no signal coverage.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the UDM may carry the access behavior indication information in the Nudm_SDM_Notification message and send it to the AMF, and the AMF receives the access behavior indication information. Afterwards, the access behavior indication information can be carried in the DL_NAS_TRANSPORT message to the UE.
  • the AMF may update the UE configuration
  • the access behavior indication information is sent to the UE during the (UE Configuration Update) process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of the network that the UE is not allowed to access (such as RAT type and/or PLMN identification); or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the configuration parameters of the power saving mode may include at least one of the following: periodic registration update timer; activation timer in terminal-initiated connection mode (Mobile Initiated Connection Only, MICO) mode; eDRX parameters.
  • the access behavior indication information may also indicate a network identifier (such as a RAT type and/or an identifier of a PLMN) to which access is prohibited.
  • a network identifier such as a RAT type and/or an identifier of a PLMN
  • the access behavior indication information may instruct the UE to select other available access during the period of no signal coverage.
  • the access behavior indication information may indicate a timing period before selecting other available accesses, and after the timing period elapses, the UE selects other available accesses.
  • the UE selects other available access (such as the first access) and accesses the other available access network. . If the access behavior indication information indicates a timing period, when entering the no-signal coverage period, the UE can start the timer. After the timer times out, it starts to select other available accesses and access other available accesses. The timer does not time out. , the UE remains in power saving mode.
  • the access behavior indication information may indicate that the access behavior indication information enters the power saving mode and selects other available accesses in time intervals.
  • the period of no signal coverage may include multiple periods of power saving mode and/or multiple periods of access to the network through other available accesses.
  • the access information includes at least one of the following:
  • the capability information of the UE can be implicitly or explicitly indicated by the access behavior allowed by the UE, and/or the access behavior expected by the UE during periods of no signal coverage, etc.
  • the capability information of the UE may indicate the endurance capability of the UE, and different endurance capabilities may correspond to the access behaviors allowed by the UE during periods of no signal coverage.
  • the mobility information of the UE may include the current mobility information of the UE, or the mobility information predicted by the core network equipment and/or the UE based on the current mobility status of the UE.
  • the movement information of the UE can be used to indicate the movement status of the UE, such as movement speed, etc.
  • the core network can determine the UE's movement speed, location, etc. during periods of no signal coverage based on the UE's movement information, and then determine the UE's access behavior. For example, the core network can predict the location of the UE during a period of no signal coverage based on the UE's mobility information, and then the core network can indicate other available accesses to the UE at the predicted location.
  • the application information of the UE can be used to implicitly or explicitly indicate the communication requirements of the UE's services, applications, etc. Communication requirements may include: delay requirements, etc.
  • the application information of the UE may indicate the services run by the UE. This service can be used to implicitly indicate the delay allowed by the UE.
  • the core network equipment can determine to enter the power saving mode or select other available access for connection based on the delay allowed by the UE.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one piece of the above information or a combination of multiple pieces of information.
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the capability information.
  • the type information of the UE is used to indicate the type of the UE. Different types of UEs have different access requirements.
  • the core network equipment can determine the access behavior during the period of no signal coverage based on the type of UE. For example, IoT type UE is used for high-latency services. If the duration allowed by the UE is greater than the length of the no-signal coverage period, then the current satellite access can be maintained during the no-signal coverage period, enter the power-saving mode, and the network connection will be restored when the UE enters the signal range of the satellite access again. . For eMMB type UEs, the UE needs to maintain a connection with the network. Therefore, for eMMB type UEs, other available accesses can be selected to access the network during periods of no signal coverage.
  • the power information of the UE is used to indicate the power of the UE. Different power levels can correspond to different access behaviors.
  • the power saving mode in response to the power information indicating that the power of the UE is less than a predetermined threshold, the power saving mode may be entered.
  • the location information of the UE may indicate the location of the UE, and the core network may determine whether there are other available accesses at the location of the UE based on the location of the UE.
  • the core network may determine whether the UE selects other available accesses based on multiple conditions. For example, it can be determined based on the UE's power information and the UE's location information whether the UE performs other available access selections. When the UE's power is greater than a predetermined threshold, the UE selects other available access options according to the instructions of the core network to perform other available access selections. Log in and establish a connection.
  • the UE can configure the UE's expected access behavior during the period of no signal coverage, and notify the core network of the expected access behavior information.
  • the core network determines the access behavior of the UE during the period of no signal coverage
  • the expected access behavior information can be used as a determination condition.
  • the mobility information includes at least one of the following:
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the mobility information.
  • mobile information can be determined using the Network Data Analytics Function (NWDAF) of the core network.
  • NWDAF Network Data Analytics Function
  • the movement mode information may be used to indicate at least one of the following of the UE: movement type, movement speed, and movement direction.
  • the movement trajectory information may be used to at least indicate the movement trajectory of the UE during the period of no signal coverage.
  • the core network may determine whether the UE performs selection of other available access networks during the no-signal coverage period based on the UE's movement mode information, motion trajectory information and/or location information during the no-signal coverage period.
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the service status information may be used to at least indicate the execution status of the service, etc.
  • services have different requirements for delay, and the service states can be used by the core network to determine the UE's access behavior.
  • the application's latency requirement information can be used directly to indicate the application's allowed latency.
  • the core network equipment can determine the access behavior of the UE during periods of no signal coverage based on service requirements for delay. For example, if the delay allowed by the service is greater than the duration of the no-signal coverage period, the core network device can allow the UE to enter the power-saving mode during the no-signal coverage period. If the delay allowed by the service is less than the duration of the no-signal coverage period, the core network equipment can instruct the UE to select other available accesses during the no-signal coverage period to maintain the service.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the application information.
  • the core network device can determine the access behavior of the UE during the period of no signal coverage based on one or more items in the access information.
  • the power information of the UE indicates that the UE is at a low power level (less than 30%)
  • the service status information indicates that the UE is conducting services, and it is determined based on the predicted location information during the period of no signal coverage that the UE can perform other available connections. If the UE chooses to access the network (such as NR), the core network equipment (such as UDM) can determine that the UE selects other available network access during the period of no signal coverage and continues to carry out the service.
  • the network such as NR
  • the core network equipment such as UDM
  • the type information of the UE indicates that the terminal type of the UE is an IoT device, and the service type information indicates that the UE carries out high-latency services. Then the core network equipment (such as UDM) can determine that the UE still uses the original access during the period of no signal coverage. into, but remains in power saving mode (such as hibernation).
  • the core network equipment such as UDM
  • the core network determines the UE mobility mode based on mobility information, predicts the UE's location during the current access no-signal coverage period, instructs the UE to sleep within a predetermined period, and then selects other available accesses. For example, when the UE uses the current satellite access, there will be a 10-hour period of no signal coverage.
  • the core network equipment (such as UDM) determines based on the UE mobility mode that there will be other available access signal coverage in 2 hours. The UDM instructs the UE Sleep within 2 hours, select and connect to other available connections after 2 hours. The UE selects and accesses other available accesses according to the instructions.
  • a timer may also be included if other available network access is performed. If a timer is not included, when no signal coverage is entered, other available accesses will be selected and accessed. If a timer is included, the timer is started when there is no signal coverage. After the timer times out, other available accesses are selected and accessed. The timer has not expired and the power saving mode remains.
  • the method further includes: obtaining the access information from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network device can obtain the capability information of the UE, including: the battery level of the UE, the location information of the UE, and the expected access behavior information during the period of no signal coverage (the hope is to enter the power saving mode when there is no signal coverage, Or choose other available access)
  • the core network device can obtain the mobility system information of the UE from the NWDAF.
  • NWDAF can analyze and predict based on UE data to determine mobility information, such as: UE's mobility mode, UE location during periods of no signal coverage, etc.
  • the core network device can obtain the UE's application information from the AF, such as service attributes, delay requirements of applications related to UE subscription, etc.
  • UDM can obtain capability information from AMF, including: UE type, UE current location, and UE power level (it can also be obtained from AF that collects power information through NEF);
  • UDM obtains UE movement patterns, movement trajectories from NWDAF, based on analysis and prediction data related to UE location
  • UDM obtains application-related information from AF through NEF, including: application type, application delay requirements, etc.
  • the AMF can obtain the reference information required for decision-making through UDM, including the UE's power information (UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report the power information), the delay requirements of the UE's contracted application, etc.
  • UDM the reference information required for decision-making through UDM
  • the UE's power information UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report the power information
  • the delay requirements of the UE's contracted application etc.
  • this embodiment of the present disclosure provides a method for determining access behavior, which is executed by the UE, including:
  • Step 301 Determine the access behavior of the UE during the period of no signal coverage based on the access behavior indication information; wherein the access behavior is based on the access information of the UE using satellite access by the core network device It is determined that the period of no signal coverage includes: the period of time when the satellite access has no signal coverage for the area where the UE is located.
  • the UE can be a terminal such as a mobile phone.
  • UE can access the network through satellite access.
  • the UE can access the network through other access behaviors, such as access through ground base stations.
  • the access behavior of the UE during the period of no signal coverage can be determined by the core network equipment.
  • the UE's access information may include, but is not limited to, access capability information used to determine the UE's access behavior during the period of no signal coverage, UE's load information, UE's status information, etc.
  • the UE's access information may be reported by the UE to the core network device during the registration process.
  • the core network equipment includes at least one of the following:
  • the AMF or UDM in the core network device may determine the access behavior of the UE during the period of no signal coverage based on the UE's access information.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the UE can enter the power saving mode.
  • the UE In the power saving mode, the UE enters the sleep state and does not establish a connection with the network, thereby saving power.
  • the UE may also select other available access networks, such as the first access network.
  • the other available access may be a terrestrial cellular access network, such as NR.
  • the PLMN corresponding to other available accesses may be different from the PLMN corresponding to the satellite access.
  • other available accesses may be other satellite access networks that are different from the satellite access, such as satellite access of other operators. Selecting other available accesses can enable the UE to continue using network services during periods of no signal coverage and meet the UE's communication needs.
  • Embodiments of the present disclosure provide a method for determining access behavior, which is executed by a UE and includes:
  • the UE determines the access behavior of the UE in the no-signal coverage period based on the access information of the UE using satellite access, where the no-signal coverage period includes: the satellite access has no signal in the area where the UE is located period covered.
  • the method for the UE to determine the UE's access behavior during the no-signal coverage period based on the UE's access information is similar to the method for the core network device to determine the UE's access behavior during the no-signal coverage period based on the UE's access information and will not be discussed here. Repeat.
  • the UE's access behavior during the period of no signal coverage can be stored in the access behavior indication information, which can be obtained and executed by the UE.
  • the disclosed embodiments provide a method for determining access behavior, which is executed by a UE, including:
  • the access behavior of the UE during the period of no signal coverage is specified by the communication information, wherein the period of no signal coverage includes: the period when the satellite access has no signal coverage for the area where the UE is located.
  • the UE's access behavior during the period of no signal coverage can be stored in the access behavior indication information, which can be obtained and executed by the UE.
  • the access behavior indication information is preset in the UE. Access behavior during periods of no signal coverage.
  • the access behavior indication information is pre-stored in the UE, and the UE can read the access behavior indication information and determine whether
  • this embodiment of the present disclosure provides a method for determining access behavior, which is executed by the UE and includes:
  • Step 401 Receive the access behavior indication information sent by the core network device.
  • the core network may instruct the UE through the access behavior indication information.
  • the core network device may send access behavior indication information to the UE. After receiving the access behavior indication information sent by the core network, the UE determines the UE's access behavior during the period of no signal coverage.
  • the UE selects other available accesses, which may include the UE selecting and accessing other available accesses.
  • the access behavior of the UE during the period of no signal coverage is determined, thereby optimizing the user's access behavior when the satellite provides discontinuous coverage.
  • the access behavior is determined by the core network device determining to execute a UE parameter update process
  • the access behavior is determined by the core network device determining that the access network device releases the access connection of the satellite access.
  • the core network equipment can determine the UE's access behavior during the period of no signal coverage during the UE parameter update process.
  • the UDM network element in the core network equipment can determine the UE's access behavior during the period of no signal coverage during the parameter update process.
  • UDM can obtain the UE's access information from the AMF, NWDAF and/or AF, and then determine the UE's access behavior.
  • the UE uses satellite access to access the 5G core network and completes access registration.
  • UDM decides that it is necessary to perform the UE Parameters Update (UPU) UPU process (for example, it is predicted that the signal coverage of the area where the UE is located by the satellite access is about to be lost, or the UDM receives an initiation from other network elements (such as AMF) UPU trigger)
  • UDM obtains the UE's access information from AMF, NWDAF and/or AF, etc., and then determines the UE's access behavior during the period of no signal coverage.
  • the AMF network element in the core network device can determine the access of the UE during the period of no signal coverage when the access network device releases the access connection of the UE associated with the satellite access. Behavior.
  • AMF can obtain the UE's access information from AMF, NWDAF and/or AF to determine the UE's access behavior.
  • the UE uses the gNB corresponding to the current satellite access and detects based on the satellite coverage information that the UE is about to lose the signal coverage of the current satellite access.
  • gNB can initiate an N2 Context release request to AMF to release the N2 connection.
  • the AMF may determine the UE's access behavior during the period of no signal coverage.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the UDM may carry the access behavior indication information in the Nudm_SDM_Notification message and send it to the AMF, and the AMF receives the access behavior indication information. Afterwards, the access behavior indication information can be carried in the DL_NAS_TRANSPORT message to the UE.
  • the AMF may update the UE configuration
  • the access behavior indication information is sent to the UE during the (UE Configuration Update) process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of the network that the UE is not allowed to access (such as RAT type and/or PLMN identification); or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and a timing period before selecting the other available accesses, wherein, in the timing period, the The UE is in power saving mode.
  • the configuration parameters of the power saving mode may include at least one of the following: periodic registration update timer; activation timer in MICO mode; eDRX parameters.
  • the access behavior indication information may also indicate the identity of the network to which access is prohibited (such as the RAT type and/or the identity of the PLMN).
  • the access behavior indication information may instruct the UE to select other available access during the period of no signal coverage.
  • the access behavior indication information may indicate a timing period before selecting and accessing other available accesses, and after the timing period elapses, the UE selects other available accesses.
  • the UE starts to select and access other available accesses (such as the first access), and access the other available accesses. Access the network. If the access behavior indication information indicates a timing period, when entering the no-signal coverage period, the UE can start the timer. After the timer times out, it starts to select other available accesses and access other available accesses. The timer does not time out. , the UE remains in power saving mode.
  • the access behavior indication information may indicate that the access behavior indication information enters the power saving mode and selects other available accesses in time intervals.
  • the period of no signal coverage may include multiple periods of power saving mode and/or multiple periods of other available access networks.
  • the embodiment of the present disclosure provides an access behavior determination method, which is executed by the UE, including:
  • Step 501 In response to not receiving the access behavior indication information, adopt a predetermined access behavior during the no-signal coverage period.
  • Step 501 can be implemented alone or in combination with step 401.
  • the predetermined access behavior may include entering a power saving mode and/or selecting other available accesses. Where other available access is different from satellite access.
  • the UE may maintain the power saving mode during the period of no signal coverage.
  • the UE may select other available access to access the network during the period of no signal coverage.
  • the UE can maintain the power saving mode in the first sub-period of the no-signal coverage period, and select and access other available access points in the second sub-period. network.
  • the access information includes at least one of the following:
  • the capability information of the UE can be implicitly or explicitly indicated by the access behavior allowed by the UE, and/or the access behavior expected by the UE during periods of no signal coverage, etc.
  • the capability information of the UE may indicate the endurance capability of the UE, and different endurance capabilities may correspond to the access behaviors allowed by the UE during periods of no signal coverage.
  • the mobility information of the UE may include the current mobility information of the UE, or the mobility information predicted by the core network equipment and/or the UE based on the current mobility status of the UE.
  • the movement information of the UE can be used to indicate the movement status of the UE, such as movement speed, etc.
  • the core network can determine the UE's movement speed, location, etc. during periods of no signal coverage based on the UE's movement information, and then determine the UE's access behavior. For example, the core network may predict the location of the UE during a period of no signal coverage based on the UE's mobility information, and the core network may indicate other available accesses of the UE at the predicted location.
  • the application information of the UE can be used to implicitly or explicitly indicate the communication requirements of the UE's services, applications, etc. Communication requirements may include: delay requirements, etc.
  • the application information of the UE may indicate the services run by the UE. This service can be used to implicitly indicate the delay allowed by the UE.
  • the core network equipment can determine to enter the power saving mode or select other available access for connection based on the delay allowed by the UE.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one piece of the above information or a combination of multiple pieces of information.
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the capability information.
  • the type information of the UE is used to indicate the type of the UE. Different types of UEs have different access requirements.
  • the core network equipment can determine the access behavior during the period of no signal coverage based on the type of UE. For example, IoT type UE is used for high-latency services. If the duration allowed by the UE is greater than the length of the no-signal coverage period, the satellite access can be maintained during the no-signal coverage period, enter the power-saving mode, and resume satellite access when the UE enters the signal range of the satellite access again.
  • the UE needs to maintain a connection with the network. Therefore, for eMMB type UEs, other available accesses can be selected to access the network during periods of no signal coverage.
  • the power information of the UE is used to indicate the power of the UE. Different power levels can correspond to different access behaviors.
  • the power saving mode in response to the power information indicating that the power of the UE is less than a predetermined threshold, the power saving mode may be entered.
  • the location information of the UE may indicate the location of the UE, and the core network may determine whether there are other available accesses at the location of the UE based on the location of the UE.
  • the core network may determine whether the UE selects other available accesses based on multiple conditions. For example, it can be determined based on the UE's power information and the UE's location information whether the UE performs other available access selections. When the UE's power is greater than a predetermined threshold, the UE selects other available access options according to the instructions of the core network to perform other available access selections. Log in and establish a connection.
  • the UE can configure the UE's expected access behavior during the period of no signal coverage, and notify the core network of the expected access behavior information.
  • the core network determines the access behavior of the UE during the period of no signal coverage
  • the expected access behavior information can be used as a determination condition.
  • the mobility information includes at least one of the following:
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the mobility information.
  • mobile information can be determined using the Network Data Analytics Function (NWDAF) of the core network.
  • NWDAF Network Data Analytics Function
  • the movement mode information may be used to indicate at least one of the following of the UE: movement type, movement speed, and movement direction.
  • the movement trajectory information may be used to at least indicate the movement trajectory of the UE during the period of no signal coverage.
  • the core network may determine whether the UE performs selection of other available access networks during the no-signal coverage period based on the UE's movement mode information, motion trajectory information and/or location information during the no-signal coverage period.
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the service status information may be used to at least indicate the execution status of the service, etc.
  • services have different requirements for delay, and the service states can be used by the core network to determine the UE's access behavior.
  • the application's latency requirement information can be used directly to indicate the application's allowed latency.
  • the core network equipment can determine the access behavior of the UE during periods of no signal coverage based on service requirements for delay. For example, if the delay allowed by the service is greater than the duration of the no-signal coverage period, the core network device can allow the UE to enter the power-saving mode during the no-signal coverage period. If the delay allowed by the service is less than the duration of the no-signal coverage period, the core network equipment can instruct the UE to select other available accesses during the no-signal coverage period to maintain the service.
  • the core network device may determine the access behavior of the UE during the period of no signal coverage based on one or more items in the application information.
  • the core network device can determine the access behavior of the UE during the period of no signal coverage based on one or more items in the access information.
  • the power information of the UE indicates that the UE is at a low power level (less than 30%)
  • the service status information indicates that the UE is conducting services, and it is determined based on the predicted location information during the period of no signal coverage that the UE can perform other available connections.
  • the access network such as NR
  • the core network equipment such as UDM
  • the core network equipment can determine that the UE is in a period of no signal coverage, and the core network equipment can instruct the UE to select other available access and continue to carry out the service.
  • the type information of the UE indicates that the terminal type of the UE is an IoT device, and the service type information indicates that the UE carries out high-latency services. Then the core network equipment (such as UDM) can determine that the UE still uses the original access during the period of no signal coverage. into, but remains in power saving mode (such as hibernation).
  • the core network equipment such as UDM
  • the core network determines the UE's mobility mode based on mobility information, predicts the UE's location during the current access no-signal coverage period, instructs the UE to sleep within a predetermined period, and then selects access to other available accesses. For example, when the UE uses the current satellite access, there will be a 10-hour period of no signal coverage.
  • the core network equipment (such as UDM) determines based on the UE mobility mode that there will be other available access signal coverage in 2 hours. The UDM instructs the UE Sleep within 2 hours, select and connect to other available connections after 2 hours. The UE selects and accesses other available accesses according to the instructions.
  • a timer may also be included. If a timer is not included, when no signal coverage is entered, other available accesses will be selected and accessed. If a timer is included, the timer is started when there is no signal coverage. After the timer times out, other available accesses are selected and accessed. The timer has not expired and the power saving mode remains.
  • the access information is obtained by the core network device from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network device can obtain the capability information of the UE, including: the battery level of the UE, the location information of the UE, and the expected access behavior information during the period of no signal coverage (hoping to enter the power saving mode when there is no signal coverage, or Select other available access)
  • the core network device can obtain the mobility system information of the UE from the NWDAF.
  • NWDAF can analyze and predict based on the UE's data to determine mobility information, such as the UE's mobility mode, the UE's location during the period of no signal coverage, etc.
  • the core network device can obtain the UE's application information from the AF, such as service attributes, delay requirements of applications related to UE subscription, etc.
  • UDM can obtain capability information from AMF, including: UE type, UE current location, and UE power level (it can also be obtained from AF that collects power information through NEF);
  • UDM obtains UE movement patterns, movement trajectories from NWDAF, based on analysis and prediction data related to UE location
  • UDM obtains application-related information from AF through NEF, including: application type, application delay requirements, etc.
  • the AMF can obtain the reference information required for decision-making through UDM, including the UE's power information (UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report the power information), the delay requirements of the UE's contracted application, etc.
  • UDM the reference information required for decision-making through UDM
  • the UE's power information UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report the power information
  • the delay requirements of the UE's contracted application etc.
  • the core network equipment determines the UE's access behavior when satellite access has no signal coverage based on at least one of the following information.
  • Capability information of the UE which includes the battery level of the UE, location information of the UE, and preference information of the UE (if you want to enter the power saving mode when there is no signal coverage, or support other access)
  • NWDAF analysis information which includes: UE’s movement mode, UE’s predicted position during the period of no signal coverage
  • AF side information the information includes: service attributes, delay requirements of applications related to UE subscription,
  • the core network equipment provides the determined access behavior to the UE.
  • access optimization is performed based on the access behavior results determined by the core network equipment.
  • Optimized access behavior includes at least one of the following:
  • the UE still uses the satellite access, but switches to the power saving mode during the period when the satellite access has no signal coverage;
  • the UE selects other available RAT/PLMN to access.
  • This embodiment describes how the UDM obtains the relevant information needed to decide the UE's access behavior during the no-signal coverage period, based on which it decides on the UE's access behavior during the no-signal coverage period during the current satellite access period, and uses the UPU program to Provides the process for UE to execute.
  • the specific steps are shown in Figure 6, including:
  • Step 601 (including step 601a, step 601b and step 601c)
  • the UE uses satellite access to access the 5G core network and completes access registration.
  • the UDM decides that it needs to execute the UPU process (for example, it predicts that the coverage of the area where the satellite access pair is located is about to be lost, or the UDM receives a UPU trigger initiated by other network elements (such as AMF))
  • the UE obtains the information from the AMF, NWDAF, AF, etc.
  • Relevant information i.e. access information
  • UDM obtains UE related information from AMF, including: UE type, UE current location, and/or UE power level (it can also be obtained from AF that collects power information through NEF);
  • UDM obtains UE movement patterns, movement trajectories, and/or analysis and prediction data based on UE location from NWDAF
  • UDM obtains application-related information from AF through NEF, including: application type, and/or application delay requirements, etc.
  • Step 602 Based on the access information, UDM determines the access behavior of the UE during the period when the current satellite access has no signal coverage, including at least one of the following:
  • the UE still uses the satellite for access, but transitions to a power saving mode during periods when the satellite has no signal coverage, or
  • the UE selects other available RAT/PLMN access (such as the first access).
  • UDM obtains information based on the above and decides on access behavior during periods of no signal coverage. Examples are as follows:
  • the UE is at a low power level (less than 30%), and the UE is carrying out services.
  • NR available access technologies
  • the terminal type of the UE is an IoT device and mainly carries out high-latency services.
  • the UE described in the UDM decision will still use the original access (satellite access) but remain in a dormant state.
  • timer is not included, when no signal coverage is entered, other available accesses (such as the first access) will be started to be accessed. If a timer is included, the timer is started when there is no signal coverage. After the timer times out, access to other available accesses (such as the first access) is started. The timer has not expired and the power saving mode remains.
  • Step 603 UDM sends a Nudm_SDM_Notification message to the AMF to notify the UE of information updates.
  • the notification includes the UE's access behavior when the current satellite access has no signal coverage.
  • Step 604 If the AMF decides that the UE is unreachable at this time, the AMF calls Nudm_SDM_Info to indicate to the UDM that the UE parameter update information delivery fails, and the following process is no longer executed. At this time, if the satellite no-signal coverage period is entered and the UE does not receive the parameter update, the UE performs default processing (for example, entering the power-saving state when there is no signal coverage by default)
  • Step 605 The AMF sends the access behavior when there is no signal coverage to the UE through the DL_NAS_TRANSPORT message.
  • Step 606 If the message received by the UE requires the UE to require a range confirmation message after receiving the message, the UE returns a confirmation message.
  • Step 607 When the UE determines that it enters the satellite signal non-coverage state based on the current location and the satellite access coverage information, it performs the access behavior when there is no signal coverage. For example, if the optimized access behavior indicates that the power saving mode is used when there is no signal coverage, the UE still uses the current satellite access, and when it enters the signal non-coverage stage, it changes to the idle state and enters the power saving mode; if the optimized access behavior If the access behavior indicates that other available accesses can be used when there is no signal coverage, the UE selects other available RATs and performs new access registration so that when the current satellite access has no signal coverage, it can continue using other available access technologies. business.
  • the gNB detects that the satellite coverage is about to leave the area where the UE is located based on the satellite coverage information, and triggers the AN connection release process. At this time, the AMF decides for the UE the access behavior of the UE during the period of no signal coverage.
  • the specific steps are shown in Figure 7, including:
  • Step 701 The UE uses the gNB corresponding to the current satellite access to detect that the UE is about to lose the coverage of the current satellite access according to the satellite coverage information.
  • Step 702 gNB initiates an N2 context release request (N2 Context release request) to the AMF to release the N2 connection.
  • N2 Context release request N2 Context release request
  • Step 703 Upon receiving the connection release request, the AMF determines the access behavior of the UE during the period of no signal coverage. AMF obtains the reference information (i.e., access information) required for decision-making from UDM, including the UE's power information (UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report power information), the delay requirements of the UE's contract application, etc.
  • the reference information i.e., access information
  • UDM obtains it from the power participation related AF through NEF, or the AMF requires the UE to report power information
  • delay requirements of the UE's contract application etc.
  • AMF also obtains UE location information, UE movement mode, UE movement trajectory and other information from NWDAF.
  • Step 704 Based on the above access information, the AMF decides the access behavior of the UE during the period of no signal coverage, including at least one of the following:
  • the UE still uses the satellite for access, but switches to power saving mode during periods when the satellite has no signal coverage, or
  • the UE selects other available RAT/PLMN access (ie other available access, such as the first access).
  • Step 705 AMF provides the UE's access behavior during the period of no signal coverage to the UE through the UE Configuration Update (UE Configuration Update) UCU program.
  • UE Configuration Update UE Configuration Update
  • the AMF also needs to provide the UE with the power saving parameters during the period of no signal coverage.
  • the AMF will also provide the access-denied RAT/PLMN to the UE.
  • Step 706 AMF returns the N2 context release command message to gNB
  • Step 707 After receiving the message, gNB starts the RRC connection release process with the UE.
  • Step 708 gNB returns the N2 context release complete message to the AMF.
  • Step 709 Includes two situations:
  • Step 709a If the UE's access behavior during the period of no signal coverage uses the power saving mode, the UE enters the period of no signal coverage and switches to the power saving mode according to the power saving parameters.
  • Step 709b If the UE's access behavior during the no-signal coverage period indicates access using other available RATs/PLMNs, the UE enters the no-signal coverage period and selects other non-forbidden RATs/PLMNs for access.
  • an embodiment of the present disclosure provides an access behavior determination device 100, which is provided in core network equipment and includes:
  • the processing module 110 is configured to determine, based on the access information of the user equipment UE using satellite access, the access behavior of the UE during the no-signal coverage period, where the no-signal coverage period includes: the satellite access pair The period during which there is no signal coverage in the area where the UE is located
  • the transceiver module 120 is configured to send access behavior indication information to the UE, where the access behavior indication information is used to indicate the access behavior of the UE during the no signal coverage period.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the processing module 110 is specifically configured to be at least one of the following:
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of networks that do not allow the UE to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the processing module is further configured to obtain the access information from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network equipment includes at least one of the following:
  • an embodiment of the present disclosure provides an access behavior determination device 200, which is provided in user equipment UE and includes:
  • the processing module 210 is configured to determine the access behavior of the UE during the period of no signal coverage according to the access behavior indication information; wherein the access behavior is based on the access behavior of the UE using satellite access by the core network device.
  • the access information is determined, wherein the no signal coverage period includes: the satellite access has no signal coverage for the area where the UE is located.
  • the apparatus further includes: a transceiver module 220 configured to receive the access behavior indication information sent by the core network device.
  • the access behavior of the UE during the no signal coverage period includes: at least one of the following:
  • the UE enters the power saving mode, wherein the UE does not connect to the network in the power saving mode;
  • the UE selects other available accesses than the satellite access.
  • the access behavior is determined by the core network device determining to execute a UE parameter update process
  • the access behavior is determined by the core network device determining that the access network device releases the access connection of the satellite access.
  • the access behavior indication information is carried in downlink signaling associated with the UE parameter update process.
  • the access behavior indication information is also used to instruct the UE to enter the power saving mode and the configuration parameters of the power saving mode; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the identification of networks that do not allow the UE to access; or
  • the access behavior indication information is also used to instruct the UE to select other available accesses different from the satellite access and the timing period before the other available access, wherein, in the timing period, the UE In power saving mode.
  • the processing module 220 is further configured to adopt a predetermined access behavior during the no-signal coverage period in response to not receiving the access behavior indication information.
  • the access information includes at least one of the following:
  • the capability information includes at least one of the following:
  • the power information of the UE is the power information of the UE.
  • the location information of the UE is the location information of the UE.
  • the expected access behavior information of the no-signal coverage period is used to indicate that the UE desires to enter the power saving mode and/or select other available accesses different from the satellite access.
  • the mobility information includes at least one of the following:
  • the application information includes at least one of the following:
  • Delay requirement information associated with the application of the UE is associated with the application of the UE.
  • the access information is obtained by the core network device from at least one of the following:
  • Access and Mobility Management Function AMF Access and Mobility Management Function
  • NWDAF Network data analysis function
  • the core network equipment includes at least one of the following:
  • An embodiment of the present disclosure provides a communication device, including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to implement the access behavior determination method of any embodiment of the present disclosure when running executable instructions.
  • the communication device may include but is not limited to at least one of: a UE and a network device.
  • the network equipment here may include core network or access network equipment, etc.
  • the access network equipment may include a base station; the core network may include AMF and SMF.
  • the processor may include various types of storage media, which are non-transitory computer storage media that can continue to memorize the information stored thereon after the user equipment is powered off.
  • the processor may be connected to the memory through a bus or the like, and be used to read the executable program stored on the memory, for example, at least one of the methods shown in FIGS. 2 to 5 .
  • An embodiment of the present disclosure also provides a computer storage medium.
  • the computer storage medium stores a computer executable program.
  • the access behavior determination method of any embodiment of the present disclosure is implemented. For example, at least one of the methods shown in Figures 2 to 5.
  • Figure 10 is a block diagram of a user equipment 3000 according to an exemplary embodiment.
  • the user device 3000 may be a mobile phone, a computer, a digital broadcast user device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like.
  • user equipment 3000 may include one or more of the following components: processing component 3002, memory 3004, power supply component 3006, multimedia component 3008, audio component 3010, input/output (I/O) interface 3012, sensor component 3014 , and communication component 3016.
  • Processing component 3002 generally controls the overall operations of user device 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 may include one or more processors 3020 to execute instructions to complete all or part of the steps of the above method.
  • processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components.
  • processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.
  • Memory 3004 is configured to store various types of data to support operations at user device 3000. Examples of such data include instructions for any application or method operating on user device 3000, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 3004 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power supply component 3006 provides power to various components of user equipment 3000.
  • Power supply components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to user device 3000.
  • Multimedia component 3008 includes a screen that provides an output interface between the user device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 3008 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 3010 is configured to output and/or input audio signals.
  • audio component 3010 includes a microphone (MIC) configured to receive external audio signals when user device 3000 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 3004 or sent via communications component 3016 .
  • audio component 3010 also includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 3002 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 3014 includes one or more sensors that provide various aspects of status assessment for user device 3000 .
  • the sensor component 3014 can detect the open/closed state of the device 3000 and the relative positioning of components, such as the display and keypad of the user device 3000.
  • the sensor component 3014 can also detect the user device 3000 or a component of the user device 3000. position changes, the presence or absence of user contact with user device 3000, user device 3000 orientation or acceleration/deceleration and temperature changes of user device 3000.
  • Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 3016 is configured to facilitate wired or wireless communication between the user device 3000 and other devices.
  • the user equipment 3000 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof.
  • the communication component 3016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 816 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • user equipment 3000 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A programmable gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 3004 including instructions, which can be executed by the processor 3020 of the user device 3000 to complete the above method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • an embodiment of the present disclosure shows the structure of a base station.
  • the base station 900 may be provided as a network side device.
  • base station 900 includes a processing component 922, which further includes one or more processors, and memory resources represented by memory 932 for storing instructions, such as application programs, executable by processing component 922.
  • the 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 foregoing methods applied to the base station.
  • Base station 900 may also include a power supply component 926 configured to perform power management of base station 900, a wired or wireless network interface 950 configured to connect 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)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent un procédé et un appareil de détermination de comportement d'accès, un dispositif de communication et un support de stockage. Le procédé comprend les étapes suivantes : sur la base d'informations d'accès d'un équipement utilisateur (UE) utilisant un accès par satellite, déterminer, par un dispositif de réseau central, un comportement d'accès de l'UE dans une période sans couverture de signal, la période sans couverture de signal comprenant une période pendant laquelle l'accès par satellite n'a pas de couverture de signal à une zone où se trouve l'UE ; envoyer des informations d'indication de comportement d'accès à l'UE, les informations d'indication de comportement d'accès étant utilisées pour indiquer le comportement d'accès de l'UE dans la période sans couverture de signal.
PCT/CN2022/111542 2022-08-10 2022-08-10 Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage WO2024031460A1 (fr)

Priority Applications (2)

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PCT/CN2022/111542 WO2024031460A1 (fr) 2022-08-10 2022-08-10 Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage
CN202280003110.6A CN117882316A (zh) 2022-08-10 2022-08-10 一种接入行为确定方法、装置、通信设备及存储介质

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WO2022082757A1 (fr) * 2020-10-23 2022-04-28 华为技术有限公司 Procédé et appareil de communication
WO2022147664A1 (fr) * 2021-01-05 2022-07-14 北京小米移动软件有限公司 Procédé d'accès, procédé et appareil de traitement d'informations auxiliaires, dispositif, et support de stockage

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