WO2020057597A1 - Procédé de confirmation de capacité et dispositif de communication - Google Patents

Procédé de confirmation de capacité et dispositif de communication Download PDF

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Publication number
WO2020057597A1
WO2020057597A1 PCT/CN2019/106668 CN2019106668W WO2020057597A1 WO 2020057597 A1 WO2020057597 A1 WO 2020057597A1 CN 2019106668 W CN2019106668 W CN 2019106668W WO 2020057597 A1 WO2020057597 A1 WO 2020057597A1
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WIPO (PCT)
Prior art keywords
capability
terminal
information
network
request
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PCT/CN2019/106668
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English (en)
Chinese (zh)
Inventor
柯小婉
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维沃移动通信有限公司
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Publication of WO2020057597A1 publication Critical patent/WO2020057597A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method for acquiring capability and a communication device.
  • a communication device for example, a terminal
  • a communication device needs to report all the capabilities it supports to another communication device (for example, a network unit).
  • another communication device for example, a network unit
  • Embodiments of the present disclosure provide a capability acquisition method and a communication device to solve the problem of large transmission overhead caused by reporting capabilities.
  • an embodiment of the present disclosure provides a capability acquisition method, which is applied to a first communication device and includes:
  • the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first condition, and whether a backband is reported At least one of the indication information, the indication information for acquiring the terminal capability corresponding to the terminal capability identification, the terminal capability identification information, and the information whether the capability signaling optimization is supported, wherein the indication information of the capability request screening parameter is used to indicate skip Or ignore the capability request screening parameters;
  • an embodiment of the present disclosure provides a capability acquisition method, which is applied to a second communication device and includes:
  • the first information includes: capability signaling optimization capability information, indication information of whether capability signaling optimization is supported, terminal capability identification information, terminal capability identification information of terminal capabilities without mapping, and terminal capability At least one of the information;
  • an embodiment of the present disclosure provides a capability acquisition method, which is applied to a third communication device and includes:
  • the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first condition, and whether a backband is reported At least one of the indication information, the indication information for acquiring the terminal capability corresponding to the terminal capability identification, the terminal capability identification information, and the information whether the capability signaling optimization is supported, wherein the indication information of the capability request screening parameter is used to indicate skipping Or ignore the capability request screening parameters;
  • an embodiment of the present disclosure provides a capability acquisition method, which is applied to a fourth communication device and includes:
  • an embodiment of the present disclosure provides a first communication device, including:
  • a first obtaining module configured to obtain capability request information, where the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first At least one of conditions, whether to report backband frequency band indication information, obtain terminal capability indication information corresponding to the terminal capability identifier, terminal capability identification information, and information indicating whether capability signaling optimization is supported, wherein the capability request screening parameters are The indication information is used to indicate that the capability request filtering parameters are skipped or ignored;
  • a first execution module is configured to perform a related operation of a terminal capability according to the capability request information.
  • an embodiment of the present disclosure provides a second communication device, including:
  • the second obtaining module is configured to obtain first information, where the first information includes: capability signaling optimization capability information, capability signaling optimization support information, terminal capability identification information, and terminal capability identification without mapping of terminal capabilities At least one of the information and terminal-incapable information;
  • the second execution module is configured to perform a first related operation of the terminal capability according to the first information.
  • an embodiment of the present disclosure provides a third communication device, including:
  • a third obtaining module configured to obtain capability request information, wherein the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first At least one of conditions, whether to report backband frequency band indication information, obtain terminal capability indication information corresponding to the terminal capability identifier, terminal capability identification information, and information indicating whether capability signaling optimization is supported, wherein the capability request screening parameters are The indication information is used to indicate that the capability request filtering parameters are skipped or ignored;
  • a third execution module configured to perform a second related operation of the terminal capability according to the capability request information.
  • an embodiment of the present disclosure provides a fourth communication device, including:
  • a judging module for judging whether a predetermined condition is satisfied
  • a fourth execution module is configured to execute a terminal capability related operation if it is confirmed that the predetermined condition is satisfied.
  • an embodiment of the present disclosure provides a communication device including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor
  • a communication device including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor
  • an embodiment of the present disclosure further provides a computer-readable storage medium.
  • the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method for acquiring a capability according to the first aspect is implemented. Step of implementing the capability acquiring method according to the second aspect, or implementing the capability acquiring method according to the third aspect, or implementing the capability acquiring method according to the fourth aspect .
  • FIG. 1 is a schematic structural diagram of an applicable network system according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for acquiring capability according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of another capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 5 is a flowchart of another capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of a capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of another capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of another capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of another capability acquisition method according to an embodiment of the present disclosure.
  • FIG. 10 is a structural diagram of a communication device according to an embodiment of the present disclosure.
  • FIG. 11 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • FIG. 12 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • FIG. 13 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • FIG. 14 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • FIG. 15 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • FIG. 16 is a structural diagram of another communication device according to an embodiment of the present disclosure.
  • the first point is that the capabilities of terminals can be divided into wireless capabilities and core network capabilities.
  • the terminal can report the wireless capability of the terminal according to the request of the network.
  • the terminal can report the network capability of the terminal during registration.
  • the terminal can support multiple bands and frequencies.
  • CA carrier aggregation
  • DC dual connectivity
  • the capacity is particularly huge.
  • the terminal needs to inform the network of whether it supports it.
  • each terminal that leaves the factory has equipment identification information, such as International Mobile Equipment Identity (IMEI).
  • IMEI International Mobile Equipment Identity
  • the IMEI may include a Type Allocation Code (TAC).
  • TAC usually consists of 8 digits (early 6 digits). It is a code that distinguishes the terminal brand and model.
  • the TAC is assigned by GSMA and its authorized agencies. Among them, the first two digits of the TAC are also called the reporting agency identifier (Reporting Body Identifier), which is the code that authorizes the IMEI distribution agency.
  • Reporting Body Identifier Reporting Body Identifier
  • the IMEI may also include a software version number (SVN).
  • SVN software version number
  • the SVN can distinguish different software versions used by the same type of terminal when leaving the factory. SVN only exists in some models of some brands. Different SVNs can correspond to different terminal capabilities.
  • the terminal may be provided with identification information capable of indicating the terminal capability.
  • a method for optimizing terminal capability signaling is that the terminal only reports identification information indicating the capability of the terminal to the network.
  • the network can obtain the terminal capabilities through the identification information indicating the terminal capabilities.
  • the terminal capability identification information may be capability identification information indicating a terminal capability.
  • the identification information of the terminal capabilities may be used to identify the terminal capabilities.
  • the terminal capability identification information may map a group of terminal capabilities or a complete terminal capability. Because the size of the terminal capability identification information is smaller than the terminal capability, the effect of optimizing the capability saving signaling can be achieved.
  • a terminal may have one or more terminal capability identification information.
  • the service network is a network that provides access for terminals, and may be a network of a network operation subject or a private network, a public communication network, or a private communication network.
  • the identity of the service network may be a public land mobile network (Public Land Mobile Network, PLMN) or other (such as an identity configured by the private communication network itself).
  • PLMN Public Land Mobile Network
  • the network type may include, but is not limited to, at least one of the following: a communication network type, a wireless access technology type, a wireless access network type, and a network age.
  • the communication network type information may include but is not limited to at least one of the following: Global System for Mobile Communication (GSM), Enhanced Data Rate for GSM Evolution (EDGE), General Purpose Packet wireless service (General Packet Radio Service), GSM circuit domain (GSM Circuit Switched Domain, GSM-CS), GSM packet domain (GSM Packet Switch, GSM-PS), circuit switch (Circuit Switch, CS), packet switching (Packet Switch, PS), Code Division Multiple Access (CDMA), Third Generation Partnership Project 2 1xCS (3rd Generation Partnership Project 2x1CS, 3GPP2 1xCS), Evolved Packet System (EPS) ) And 5GS (5G system).
  • GSM Global System for Mobile Communication
  • EDGE Enhanced Data Rate for GSM Evolution
  • General Packet Radio Service General Packet Radio Service
  • GSM circuit domain GSM Circuit Switched Domain, GSM-CS
  • GSM Packet Switch, GSM-PS GSM packet domain
  • circuit switch Circuit Switch, CS
  • the wireless access technology type information may include but is not limited to at least one of the following: GSM / EDGE radio access network (GSMEDGE Radio Access Network, GERAN), GERAN-CS, GERAN-PS, EDGE, UMTS universal mobile communications System (UMTS Terrestrial Radio Access, UTRA), Time Division Synchronous Code Division Multiple Access (Time Division-Synchronous Code Division TD-SCDMA), Wideband Code Division Multiple Access (Wideband Code Division Division Multiple Access, WCDMA), High-speed packet access (HSPA High-Speed Packet Access (HSPA)), CDMA, CDMA2000, 3GPP2, 1xCS, cdma2000-1XRTT, Evolved-UMTS Terrestrial Radio Access (EUTRA), LTE Time Division Duplexing , LTE TDD), LTE Frequency Division Duplexing (LTE FDD), 3rd Generation Partnership Project (3rd Generation Generation Partnership Project, 3GPP), Non-3GPP (N3GPP), 3GPP2, Wireless Local Area Network
  • the radio access network type information may include but is not limited to at least one of the following: GERAN, GERAN-CS, GERAN-PS, EDGE, UTRAN, TD-SCDMA, WCDMA, HSPA, CDMA, CDMA2000, 3GPP2, 1xCS, cdma2000-1XRTT, EUTRAN, LTE FDD, LTE TDD, 3GPP, N3GPP, 3GPP2, WLAN, NBIOT, NGRAN, EUTRA-NR and NR.
  • the information of the network operation subject may include, but is not limited to, at least one of the following: the name of the operation subject, identification information of the operation subject (such as PLMN), and network information of the operated network.
  • the names of the operating entities include, but are not limited to: China Mobile, China Unicom, China Telecom, Vodafone, Irish Industries, Telecom Italia, Verizon, Docomo, KDDI.
  • the network age information may include but is not limited to at least one of the following: 2G network, 3G network, 4G network, and 5G network.
  • the terminal capability may include at least one of the following: a terminal core network capability and a terminal wireless capability.
  • the terminal core network capability may also be referred to as a terminal network capability and a non-access network (Non-access stratum, NAS) capability.
  • NAS non-access stratum
  • the terminal wireless capability may include at least one of the following: carrier aggregation (CA) capability and dual connectivity (DC) capability.
  • CA carrier aggregation
  • DC dual connectivity
  • the terminal core network capability may include at least one of the following: 5G session management capability, 5G mobility management capability, user terminal network capability (UE, network capability), mobile station network capability (MS, network capability, etc.).
  • the core network capability of the terminal network may include at least one of the following: 5G network capability, 4G network capability (such as UE Network Capability), 3G network capability (such as MS Network Capability), and the like.
  • 5G network capability such as UE Network Capability
  • 4G network capability such as UE Network Capability
  • 3G network capability such as MS Network Capability
  • terminal capability may mean the same meaning and may be mixed.
  • the terminal capability may be a set of terminal capability sets or referred to as a terminal capability set.
  • the terminal capability context may also be referred to as terminal capability description information, and may be used to describe specific capabilities.
  • excluding the capability request filtering parameter can be understood as not setting the capability request filtering parameter.
  • the complete terminal capability can be understood as a consistent terminal capability, all terminal capabilities, all terminal capabilities that meet a certain condition (such as the first condition), or a condition that satisfies a certain condition (such as the first condition). Consistent terminal capabilities.
  • the terminal capability identifier may be understood as the current terminal capability identifier.
  • the current terminal capability identification can be understood as at least one of the following: terminal capability identification information corresponding to the current terminal capability, valid terminal capability identification information, latest terminal capability identification, latest terminal capability identification sent by the terminal to the network, and latest network allocation Terminal capability identification.
  • the capability variable may indicate a difference between the capability of the terminal after the change and the capability of the terminal before the change.
  • the capability variable may be the capability to update.
  • capability identification information may represent the same meaning, and may be mixed.
  • Invalid may be embodied as one of “unavailable” and “suspended”. Invalid capability identification information can be expressed as at least one of the following: pending capability identification information and unavailable capability identification information.
  • the “card” may be, but is not limited to, one of the following: Universal Integrated Circuit Card (UICC), Subscriber Identification Module (SIM), Evolution SIM (eSIM), Evolution UICC (eUICC).
  • the card can be a physical card.
  • the N-th card may mean that a card serving the network is placed in the N-th card slot.
  • the primary card may indicate that the card of the service network is placed in the primary card slot, and the secondary card may indicate that the card of the service network is placed in the primary card slot.
  • the card position information may also be referred to as card slot information.
  • the card can also be an electronic card.
  • the serving network can configure multiple cards for the terminal.
  • the newly added card in the terminal may be, but is not limited to, one of the following: inserting the card into the terminal device and writing the card information into the terminal device.
  • deleting the card in the terminal may be, but is not limited to, one of the following: removing the card from the terminal device, and deleting the card information in the terminal device.
  • the application scope information of the terminal capability identification information may be embodied as at least one of the following: application condition information of the terminal capability identification information and type information of the terminal capability identification information.
  • terminal capability signaling optimization may include wireless capability signaling optimization and non-access stratum capability signaling optimization.
  • the optimization of wireless capability signaling can also be referred to as: optimizations, UE, radio, capability signaling, referred to as RACS for short.
  • RACS capability signaling
  • whether the capability signaling optimization is supported may also be referred to as whether the capability signaling optimization capability is available.
  • supporting capability signaling optimization may also be referred to as: enabling capability signaling optimization, having capability signaling optimization capability, enabling capability signaling optimization activation, or enabling capability signaling optimization on.
  • the capability signaling optimization not supported can also be referred to as: enabling capability signaling optimization or capability signaling optimization optimization, deactivating capability signaling optimization or turning off capability signaling optimization.
  • acquisition can be understood to be obtained from configuration, received, received after request, obtained through self-learning, derived from unreceived information, or obtained after processing based on the received information, which can be determined according to actual needs.
  • This embodiment of the present disclosure does not limit this. For example, when a certain capability indication information sent by a device is not received, it can be deduced that the device does not support the capability.
  • the sending may include broadcasting, broadcasting in a system message, or returning in response to a request.
  • the registration request may include one of the following: an attachment request, a location update request, a mobile registration request, and an initial registration request.
  • the deregistration request may include one of the following: a deattachment request.
  • the newly added capability may include at least one of the following: an increased capability, an ability to reopen after closing, and an ability to support.
  • the shutdown capability may include at least one of the following: the capability to become unsupported and the capability to fail.
  • the terminal may be provided with identification information capable of indicating the terminal capability.
  • a method for optimizing terminal capability signaling is that the terminal only reports identification information indicating the capability of the terminal to the network.
  • the network can obtain the terminal capabilities through the identification information indicating the terminal capabilities.
  • the terminal capability identification information may be capability identification information indicating a terminal capability.
  • the network can obtain the terminal capability from the terminal. The network can then establish a mapping relationship between the capability identification information of the terminal capabilities and the terminal capabilities.
  • the RAN (radio access network) network element may obtain only a subset of the terminal's capability from the terminal. For example, for a wireless capability (such as a frequency band) that is not supported by the RAN network element or a combination of frequency bands that are not scheduled in the policy, the RAN network element may not request the terminal to report. Therefore, the terminal capabilities acquired by the RAN may be a subset of the terminal capabilities. Different RAN nodes have different capabilities, so the acquired terminal capabilities are also different.
  • a terminal can be configured with multiple capability identifiers, each corresponding to a different capability set. For example, corresponding to different operators, there can be different sets of capabilities, respectively corresponding to different terminal capabilities. However, when the terminal accesses an operator's network, it can report only one capability identifier. Each operator supports different types of RATs and requires different wireless capabilities. The complete set of capabilities on the terminal is redundant to the operator's network. For example, China Unicom has no value in reporting CDMA wireless capabilities. Therefore, the complete terminal capability is not necessarily the terminal capability mapped by the current terminal capability identifier.
  • the communication device includes at least one of the following: a terminal and a network element.
  • the network element may be one of the following: a physical device, a network function entity and a network unit, and a network-side network element.
  • the network-side network element may include at least one of the following: a radio access network (RAN) network element, and a core network (CN) network element.
  • RAN radio access network
  • CN core network
  • the core network element may include but is not limited to at least one of the following: core network equipment, core network nodes, core network functions, core network elements, and mobility management entity (Mobility Management Entity, MME), Access Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Serving Gateway (serving GW, SGW), PDN Gateway ( PDN (gateway, PDN gateway), policy control function (PCF), policy and charging rules function unit (PCRF), GPRS service support node (Serving GPRS Support Node (SGSN), gateway GPRS support node (Gateway, GPRS, Support Node, GGSN) and radio access network equipment.
  • MME Mobility Management Entity
  • AMF Access Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • Serving Gateway serving GW, SGW
  • PDN Gateway PDN Gateway
  • PCF policy control function
  • PCRF policy and charging rules function unit
  • PCRF policy and charging rules function unit
  • GPRS service support node Server
  • the radio access network element may include but is not limited to at least one of the following: a radio access network device, a radio access network node, a radio access network function, and a radio access network unit , 3GPP radio access network, non-3GPP radio access network, Centralized Unit (CU), Distributed Unit (DU), base station, evolved Node B (eNB), 5G base station (gNB ), Radio Network Controller (RNC), Base Station (NodeB), Non-3GPP Interworking Function (N3IWF), Access Control (AC) node, Access Point ( Access Point (AP) equipment or Wireless Local Area Networks (WLAN) nodes.
  • a radio access network device may include but is not limited to at least one of the following: a radio access network device, a radio access network node, a radio access network function, and a radio access network unit , 3GPP radio access network, non-3GPP radio access network, Centralized Unit (CU), Distributed Unit (DU), base station, evolved Node B (eNB), 5G base station (gNB
  • the base station can be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or a base station (NodeB) in WCDMA, or an evolving base station (eNB or e-NodeB, evolutional Node B) in LTE, and 5G base stations (gNB) are not limited in the embodiments of the present disclosure.
  • BTS Base Transceiver Station
  • NodeB base station
  • eNB evolved base station
  • gNB evolutional Node B
  • 5G base stations 5G base stations
  • the terminal may include a relay supporting a terminal function.
  • the terminal can also be called a terminal device or a user terminal (User Equipment), and the terminal can be a mobile phone, a tablet computer (laptop computer), a laptop computer (laptop computer), a personal digital assistant (Personal Digital Assistant, PDA), Terminal-side devices such as a mobile Internet device (MID), a wearable device (Wearable Device), or an in-vehicle device need to be noted that the specific types of terminals are not limited in the embodiments of the present disclosure.
  • the capability signaling optimization capability of the terminal and other terminal capabilities are independently defined capability cells (IE).
  • the terminal reports this capability signaling optimization capability, and the network can decide whether to allocate capability identification information or obtain capability identification information from the terminal according to this capability signaling optimization capability.
  • FIG. 1 is a schematic structural diagram of an applicable network system according to an embodiment of the present disclosure. As shown in FIG. 1, it includes a terminal 11, a RAN network element 12, and a CN network element 13. Among them, the terminal 11 can communicate with the RAN network element. 12 for communication, for example: sending terminal capability or terminal capability identification information to RAN network element 12, of course, terminal 11 can also communicate with CN network element 13 through RAN network element 12, for example: sending terminal capability to CN network element Or terminal capability identification information. In addition, the RAN network element 12 can communicate with the CN network element 13, such as: sending capability signaling optimization capability information, indicating whether to support capability signaling optimization information, terminal capability identification information, and terminal capability identification mapping to the CN network element 13. Information about terminal capabilities.
  • FIG. 2 is a flowchart of a capability acquisition method according to an embodiment of the present disclosure.
  • the capability acquisition method of this embodiment can be applied to a first communication device.
  • the first communication device may include, but is not limited to, at least one of the following: a terminal, a terminal capable relay, a relay capable terminal, a RAN network element (such as gNB, eNB), and a CN network element (such as AMF, MME).
  • a terminal a terminal capable relay
  • a relay capable terminal a relay capable terminal
  • a RAN network element such as gNB, eNB
  • CN network element such as AMF, MME
  • Step 201 Acquire capability request information, where the capability request information includes: indication information for requesting to acquire complete terminal capabilities, indication information for capability request screening parameters, skipped or ignored capability request screening parameters, first condition, response Whether at least one of the indication information of the backband frequency band, the indication information of acquiring the terminal capability corresponding to the terminal capability identifier, the terminal capability identification information, and the capability signaling optimization support information is supported, wherein the indication information of the capability request screening parameter is The filtering condition indication information is used to indicate skipping or ignoring capability request filtering parameters;
  • Step 202 Perform a related operation of the terminal capability according to the capability request information.
  • the foregoing capability request information may be acquired from at least one of the following: a RAN network element, a CN network element, an AMF, an MME, a gNB, and an eNB.
  • the capability request information may be received from a CN network element or a RAN network element.
  • the capability request information may be received from a CN network element or another RAN network element.
  • the capability request information may be received from another CN network element or a RAN network element.
  • the foregoing terminal capability identification information may be a current terminal capability identification.
  • the current terminal capability identifier may be understood as at least one of the following: terminal capability identifier information corresponding to the current terminal capability, valid terminal capability identifier information, latest terminal capability identifier information, latest terminal capability identifier sent by the terminal to the network, and network
  • the indication information of acquiring the terminal capability corresponding to the terminal capability identifier may be the indication information of acquiring the terminal capability corresponding to the current terminal capability identifier of the terminal.
  • the terminal may be configured with multiple capability identifiers, and the capabilities of the terminals mapped by different capability identifiers are different.
  • the complete terminal capability may not be the terminal capability mapped by the terminal capability identifier. It is not difficult to understand that, by displaying the indication information indicating that all terminal capabilities corresponding to the terminal capability identifier are obtained, it is possible to ensure that the terminal capabilities mapped by the terminal capability identifier are obtained.
  • the related operations of the terminal capabilities may also be referred to as related operations of the terminal capability acquisition.
  • related operations of acquiring terminal capabilities may be performed by requesting indication information of the complete terminal capabilities, such as acquiring complete terminal capabilities.
  • the first communication device is a RAN network element.
  • the CN network element may instruct the RAN network element to obtain the complete capability set of the terminal. It is not difficult to understand that after receiving the complete capability set of the terminal sent by the RAN network element, the CN network element can establish a mapping relationship between the terminal capability identifier and the complete capability set. In this implementation manner, the CN network element can instruct the RAN network element to obtain the complete capability set of the terminal.
  • an interface message (such as an S1 message (such as an initial UE context establishment request message) and / or an NG message (such as an initial UE context establishment request message)) between the CN network element and the RAN network may include a request for acquisition Complete terminal capability indication.
  • the first communication device is a terminal.
  • the RAN network element may instruct the terminal to report the complete capability set of the terminal. It is not difficult to understand that after receiving the complete capability set of the terminal, the RAN network element can establish a mapping relationship between the terminal capability identifier and the complete capability set and / or send the acquired terminal capability to the CN network element.
  • the UE capability inquiry (UE capability enquiry) message may include instruction information for requesting to obtain complete terminal capabilities.
  • the terminal capability may be acquired through the terminal capability identification information.
  • the first communication device is a terminal.
  • the RAN network element may request the terminal from the terminal according to the terminal capability identification information ability.
  • the terminal may return the terminal capability identification mapped terminal capability to the RAN network element according to the terminal capability identification information indicated by the RAN network element, where the terminal capability may be a terminal capability set.
  • the terminal capability identification message may be included in the terminal capability query message.
  • related operations of acquiring terminal capabilities may be performed by acquiring terminal capability indication information corresponding to the terminal capability identifier, such as acquiring terminal capabilities corresponding to the terminal capability identifier.
  • the first communication device is a terminal.
  • the RAN network element may request the terminal capabilities from the terminal according to an instruction information, where the instruction information is used to request the terminal for the terminal capability set mapped by the current terminal capability identity.
  • the terminal may return the terminal capability set mapped to the current terminal capability identifier to the RAN network element.
  • the foregoing instruction information may be 1-bit instruction information, and of course, it is not limited thereto.
  • the terminal capability query message may include instruction information for acquiring the terminal capability corresponding to the terminal capability identifier.
  • information related to whether to support terminal capability acquisition operations may be performed through capability signaling to optimize whether the information is supported.
  • the information indicating whether the capability signaling optimization is supported may indicate at least one of the following: the terminal has the capability signaling optimization capability, the network has the capability signaling optimization capability, and both the terminal and the network have the capability signaling optimization capability.
  • the first communication device is a terminal.
  • the terminal can obtain information on whether the capability signaling optimization is supported from a CN network element (for example, during registration) or a RAN network element (for example, Radio Resource Control (RRC) process, system message broadcast).
  • RRC Radio Resource Control
  • the terminal when receiving a capability acquisition request (such as an RRC message for UE capability query) sent by the network, the terminal can skip or ignore the capability request filtering parameters and return the current terminal capability identifier to the network Mapped terminal capabilities or complete terminal capabilities.
  • the complete terminal capability may be a complete terminal capability under certain conditions.
  • the skip or ignore capability request filtering parameter can be one or more request filtering parameters.
  • a related operation of acquiring the terminal's capability by indicating the information requested by the capability request screening parameter can be performed.
  • the first communication device is a terminal.
  • the terminal skips or ignores the capability request filtering parameter according to the indication information of the capability request filtering parameter, and returns the complete terminal capability to the network.
  • the related operations of acquiring the terminal's capabilities can be performed through the skipped or ignored capability request screening parameters.
  • the first communication device is a terminal.
  • the terminal skips or ignores the capability request screening parameter according to the indicated skip or ignore capability request screening parameter, and returns the complete terminal capability or the terminal capability meeting certain conditions to the network.
  • the certain condition may be a capability request screening parameter that does not indicate skip or ignore.
  • the capability request screening parameter may be understood as at least one of the following: sending a terminal capability according to a requirement of the capability screening parameter and a capability that does not need to be reported intact.
  • the capability request screening parameter can reduce the capability signaling overhead for the capability currently being sent.
  • the capability request screening parameter may also be referred to as a capability reduction parameter.
  • related operations of acquiring terminal capabilities may be performed by instructing the first condition, such as acquiring terminal capabilities that meet the first condition.
  • the first condition may be pre-configured.
  • the first condition may include at least one of the following: information of a network operation subject, network identification information, network type information, and frequency band information.
  • the network type information may include at least one of the following: radio access technology type (RAT type), radio access network type (RAN type) information, communication network type information, network age information (such as 5G, 4G, 3G, 2G), Band information.
  • RAT type radio access technology type
  • RAN type radio access network type
  • the network type information may be used to instruct acquiring terminal capabilities corresponding to the network type at the terminal (for example, complete terminal capabilities corresponding to the specified network type).
  • the network identification information may be used to instruct acquiring terminal capabilities corresponding to the network indicated by the terminal in the network identification information (for example, specifying a complete terminal capability corresponding to the network).
  • the network operation subject information may be used to instruct acquiring terminal capabilities corresponding to all networks of the terminal under the network operation subject (such as designating complete terminal capabilities corresponding to all networks under the network operation subject).
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among the terminal capabilities of the terminal capability identity mapping.
  • related operations of acquiring the capability of the terminal may be performed by indicating whether the back-off frequency band reports the indication information.
  • the terminal may decide whether to report the terminal capability corresponding to the fallback frequency band according to the indication information of whether the fallback frequency band is reported. For example, supported carrier aggregation (Carrier Aggregation) band combination and non-carrier aggregation band.
  • Carrier Aggregation Carrier Aggregation
  • the capability request screening parameter includes at least one of the following:
  • MR-DC Multi-RAT Dual Connectivity
  • the screening parameter related to capability reduction refers to a parameter for screening capability in order to reduce capability reporting signaling.
  • the terminal capabilities that satisfy the capability reduction related screening parameters may be a subset of the complete terminal capabilities.
  • the related operations of the terminal capabilities include at least one of the following:
  • the terminal may also return at least one of the following: delta terminal capabilities, and updated terminal capability identification information.
  • the predetermined condition may include at least one of the following: the terminal has a capability change, the terminal ’s current terminal capability is not consistent with the terminal ’s current capability identification mapping capability, the updated capability identification information has not been sent to the network, and the capability identification mapping the current terminal capability The capability identifier that has not yet been sent to the network and maps the current terminal capabilities has not been obtained from the network.
  • the terminal may further return at least one of the following: different terminal capabilities, and updated terminal capability identification information.
  • the complete terminal capability includes at least one of the following:
  • the terminal supports the complete terminal capabilities corresponding to the type of wireless access technology
  • the terminal supports the complete terminal capabilities supported by the network operation subject.
  • the complete terminal capabilities supported by the terminal corresponding to the service network may be all the terminal capabilities supported by the terminal corresponding to the service network.
  • the service network may be a network of a current service terminal. It is not difficult to understand that terminals may have different terminal capabilities under different service networks. However, as long as all terminal capabilities of the terminal under the service network are acquired, and a mapping relationship between the terminal capability identifier and the acquired terminal capability is established, it can be ensured that the terminal capabilities mapped by the capability identifier are consistent under the service network.
  • the service network may be one or more service networks.
  • the terminal capabilities of a terminal under a certain N (N is an integer greater than or equal to 1) service network may be a subset of the terminal capabilities.
  • the complete terminal capabilities supported by the terminal in the network operation subject may be all the terminal capabilities supported by the terminal in all the service networks of the network operation subject.
  • the network operation subject may be a network operation subject of a service network. It is not difficult to understand that a network operation subject can operate multiple networks, and terminals may have different terminal capabilities under different service networks. However, as long as all terminal capabilities of the terminal in all service networks of the network operation subject are acquired, and a mapping relationship between the terminal capability identifier and the acquired terminal capability is established, it can be ensured that the terminal capability mapped by the capability identifier is Consistent.
  • the network operation subject may be one or more of the network operation subject.
  • the terminal capabilities corresponding to the terminals in some N network operating entities may be a subset of the terminal capabilities.
  • the complete terminal capabilities supported by the terminal in the radio access technology type may be all the terminal capabilities supported by the terminal in the radio access technology type.
  • the wireless access technology type may be a wireless access technology type of a current serving network. It is not difficult to understand that terminals may have different terminal capabilities under different wireless access technologies. However, as long as all terminal capabilities of the terminal under the wireless access technology are acquired, and a mapping relationship between the terminal capability identifier and the acquired terminal capabilities is established, it is possible to ensure that the terminal capabilities mapped by the capability identifier are consistent under the wireless access technology .
  • the wireless access technology may be one or more of the wireless access technologies.
  • the terminal capability corresponding to the terminal in some N radio access technologies may be a subset of the terminal capability.
  • the complete terminal capabilities supported by the terminal in the frequency band may be all the terminal capabilities supported by the terminal in the frequency band.
  • the frequency band may be a frequency band supported by the current serving network. It is not difficult to understand that terminals may have different terminal capabilities in different frequency bands. However, as long as all terminal capabilities of the terminal in the frequency band are acquired, and a mapping relationship between the terminal capability identifier and the acquired frequency band is established, it can be ensured that the terminal capabilities mapped by the capability identifier are consistent in the frequency band.
  • the frequency band may be one or more of the network operation subjects.
  • the terminal capabilities corresponding to the terminals in certain N frequency bands may be a subset of the terminal capabilities.
  • the terminal capability corresponding to the terminal in the serving network, the terminal capability corresponding to the terminal in the network operation subject, the complete terminal capability corresponding to the type of wireless access technology, and the complete terminal capability corresponding to the frequency band may be all supported by the terminal.
  • the terminal capability meeting the first condition may include at least one of the following:
  • the terminal specifies the terminal capabilities supported by the network corresponding to the network identification information
  • the terminal specifies the terminal capabilities correspondingly supported by the network operation subject in the network operation information
  • the terminal specifies the supported terminal capabilities corresponding to the network type in the network type information.
  • the terminal capability that meets the first condition may be a complete terminal capability that meets the first condition or a terminal capability that meets the first condition among terminal capabilities that are mapped by the terminal capability identifier.
  • the capability acquiring method of this embodiment it is possible to acquire the terminal capability mapped by the terminal capability identifier or obtain the complete terminal capability, establish a mapping relationship between the terminal capability identifier and the terminal capability, and support the function of capability signaling optimization, which can accurately map on one hand Providing terminal capabilities can also effectively reduce signaling overhead and reduce transmission overhead caused by reporting capabilities.
  • FIG. 3 is a flowchart of another capability acquisition method according to an embodiment of the present disclosure.
  • the capability acquisition method of this embodiment may be applied to a second communication device.
  • the second communication device may include but is not limited to at least one of the following: a terminal, a RAN network element (such as gNB, eNB), or a CN network element (such as AMF, MME). As shown in Figure 3, it includes the following steps:
  • Step 301 Obtain first information, where the first information includes: capability signaling optimization capability information, capability signaling optimization support information, terminal capability identification information, terminal capability identification information without mapping of terminal capabilities, and no At least one item of terminal capability information;
  • Step 302 Perform a first related operation on a terminal capability according to the first information.
  • the obtaining the first information may be obtained from at least one of the following: a RAN network element, a CN network element, an AMF, an MME, a gNB, and an eNB.
  • the first information may be received from a CN network element or another RAN network element.
  • the first information may be received from another CN network element or a RAN network element.
  • the foregoing terminal capability identification information may be a current terminal capability identification.
  • the current terminal capability identifier may be understood as at least one of the following: terminal capability identifier information corresponding to the current terminal capability, valid terminal capability identifier information, latest terminal capability identifier information, latest terminal capability identifier sent by the terminal to the network, and network
  • the indication information of acquiring the terminal capability corresponding to the terminal capability identifier may be the indication information of acquiring the terminal capability corresponding to the current terminal capability identifier of the terminal.
  • a terminal may be configured with multiple capability identifiers, and different capability identifiers map different sets of capabilities.
  • the complete terminal capability may not be the terminal capability mapped by the terminal capability identifier.
  • the indication information that can display all terminal capabilities corresponding to the terminal capability identifier can be displayed to ensure that the terminal capability mapped by the terminal capability identifier is obtained.
  • the capability signaling optimization capability is a wireless capability
  • the RAN network element may obtain the capability signaling optimization capability from the terminal, where the capability signaling optimization capability may be a wireless capability independent of other wireless capabilities.
  • the capability signaling optimization capability is a NAS capability, and the RAN network element cannot distinguish whether the terminal is a terminal that does not support capability signaling optimization (such as legacy UE) or a terminal that supports capability signaling optimization.
  • the first related operation may be performed by using terminal capability identification information.
  • the second communication device is a RAN network element.
  • the RAN network element When obtaining the terminal capability identification information and the terminal capability identification does not have a mapped terminal capability, the RAN network element does not include the capability request screening parameter or sets the capability request screening parameter to No or False when acquiring the terminal capability.
  • the first related operation may be performed by using capability signaling to optimize capability information.
  • the above capability signaling optimization capability information may be used to indicate whether the terminal has a capability signaling optimization capability.
  • the second communication device is a RAN network element.
  • the capability information optimized by the terminal capability signaling indicates that the terminal has the capability optimized by the capability signaling
  • the RAN network element does not include the capability request screening parameter or sets the capability request screening parameter to No or False when acquiring the terminal capability.
  • the first related operation may be performed by using indication information of whether capability signaling optimization is supported.
  • the information on whether the capability signaling optimization is supported may refer to at least one of the following: the terminal has the capability signaling optimization capability, the network has the capability signaling optimization capability, and both the terminal and the network have the capability signaling optimization capability.
  • the second communication device is a RAN network element.
  • the RAN may obtain information on whether the capability signaling optimization is supported from a CN network element (such as an initial UE context establishment request message or a UE context modification request message) or other RAN network elements (such as a handover request message).
  • the RAN network element When the indication of whether the capability signaling optimization is supported indicates that support, when the RAN network element acquires the terminal capability, it may request to obtain the complete terminal capability, does not include the capability request filtering parameter, set the capability request filtering parameter to no or false, or Request for full terminal capability under certain conditions. For example: to obtain the complete terminal capability of the type of wireless access technology supported by the network operator.
  • the information on the terminal capability with no mapped terminal capability may be obtained by at least one of the following: obtaining information about the terminal capability with no mapped terminal capability by receiving the indication information of the terminal capability with no mapped terminal capability, and The terminal capability information and the terminal capability identifier are used to obtain the terminal capability identifier without the mapped terminal capability information.
  • the indication message (such as the initial UE context establishment request message) does not include the terminal capability information to obtain the terminal capability identifier without the mapped terminal capability.
  • the first related operation may be performed by using terminal capability identification information of unmapped terminal capabilities.
  • the information about the terminal capability that is not mapped with the terminal capability identifier may refer to a terminal capability that is not mapped with the terminal capability identifier on the network side (such as a RAN network element and / or a CN network element).
  • the second communication device is a RAN network element.
  • the RAN network element does not include the capability request screening parameter or sets the capability request screening parameter to No or False when acquiring the terminal capability.
  • the terminal-less capability information may be obtained by at least one of the following: acquiring terminal-less capability information by receiving the displayed terminal-less capability indication information, and not including in an indication message (such as an initial UE context establishment request message) Terminal capability obtains terminalless capability information.
  • the first related operation may be performed through information without terminal capability.
  • the first related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the complete terminal capability may be described as the complete terminal capability in the embodiment of FIG. 2, and details are not described herein again.
  • the terminal capability that satisfies the first condition may be described as the terminal capability that satisfies the first condition in the embodiment of FIG. 2, and details are not described herein again.
  • acquiring complete terminal capabilities can be understood as requesting to obtain complete terminal capabilities.
  • the obtaining the complete terminal capability may be obtained through a one-time acquisition manner.
  • the acquiring complete terminal capabilities may be acquiring multiple subsets of terminal capabilities in multiple acquisition modes, and then combining them to form a complete terminal capability. It is not difficult to understand that, for the one-time acquisition method, the complete terminal capability can be acquired by not including the capability request screening parameter. For multiple acquisition methods, the capability request filtering parameters can still be set. By setting different values of the capability request screening parameters, a subset of the capabilities of the terminal is obtained and combined into a complete terminal capability.
  • the capability request screening parameter may not be included in the UE capability query (such as UE Capability Enquiry) message. It is not difficult to understand that when there is no ability to filter parameters, the terminal can return the complete terminal capability or the terminal capability mapped by the current capability identifier.
  • the capability request screening parameter not included in the acquisition of the capability of the terminal may be: when sending a capability acquisition related message (such as a UE capability query message), the sending the capability acquisition related message does not include the capability request screening parameter. It is not difficult to understand that when there is no ability to filter parameters, the terminal can return the complete terminal capability or the terminal capability mapped by the current capability identifier.
  • the setting capability request filtering parameter includes at least one of the following:
  • the capability request information includes at least one of the following:
  • the capability request information is sent to the first target end for performing a related operation of acquiring the capability of the terminal.
  • related operations of acquiring terminal capabilities may be performed by requesting indication information of the complete terminal capabilities, such as acquiring complete terminal capabilities.
  • the second communication device is a CN network element.
  • the CN network element may instruct the RAN network element to obtain the complete capability set of the terminal.
  • the CN network element can establish a mapping relationship between the terminal capability identifier and the complete capability set. In this implementation manner, the CN network element can instruct the RAN network element to obtain the complete capability set of the terminal.
  • an interface message (such as an S1 message (such as an initial UE context establishment request message) and / or an NG message (such as an initial UE context establishment request message)) between the CN network element and the RAN network may include a request for acquisition Complete terminal capability indication.
  • the second communication device is a RAN network element.
  • the RAN network element may instruct the terminal to report the complete capability set of the terminal.
  • the RAN network element may establish a mapping relationship between the terminal capability identifier and the complete capability set and / or send the acquired terminal capability to the CN network element.
  • the UE capability query message may include instruction information for requesting to obtain complete terminal capabilities.
  • the second communication device is a RAN network element.
  • the RAN network element may request the terminal from the terminal according to the terminal capability identification information ability.
  • the terminal may return the terminal capability identification mapped terminal capability to the RAN network element according to the terminal capability identification information indicated by the RAN network element, where the terminal capability may be a terminal capability set.
  • the terminal capability identification information may be included in the terminal capability query message.
  • related operations of acquiring terminal capabilities may be performed by acquiring terminal capability indication information corresponding to the terminal capability identifier, such as acquiring terminal capabilities corresponding to the terminal capability identifier.
  • the second communication device is a RAN network element.
  • the RAN network element may request the terminal capability from the terminal according to an instruction information, where the instruction information is used to request the terminal for the terminal capability set mapped by the current terminal capability identity.
  • the terminal may return the terminal capability set mapped to the current terminal capability identifier to the RAN network element.
  • the above-mentioned instruction information may be 1-bit instruction information, of course, it is not limited thereto.
  • the terminal capability query message may include instruction information for acquiring the terminal capability corresponding to the terminal capability identifier.
  • information related to whether to support terminal capability acquisition operations may be performed through capability signaling to optimize whether the information is supported.
  • the information indicating whether the capability signaling optimization is supported may indicate at least one of the following: the terminal has the capability signaling optimization capability, the network has the capability signaling optimization capability, and both the terminal and the network have the capability signaling optimization capability.
  • the second communication device is a CN network element.
  • the CN element can send the capability signaling optimization support information to the terminal during the registration process.
  • the capability signaling optimization support information indicates support, when receiving a capability acquisition request (such as an RRC message for UE capability query) sent by the network, the terminal can skip or ignore the capability request filtering parameters and return the current terminal capability identifier to the network.
  • Mapped terminal capability set or complete capability set For example, the second communication device is a RAN network element.
  • the RAN network element can send (for example, broadcast in system information, send in RRC message 5 or send in UE capability query message) the capability signaling optimization information to the terminal.
  • the capability signaling optimization support information indicates support
  • the terminal when receiving a capability acquisition request (such as an RRC message for UE capability query) sent by the network, the terminal can ignore the capability request filtering parameters and return the terminal capability of the current terminal capability identification mapping to the network.
  • the capability of the terminal may be acquired through indication information of the capability request screening parameter.
  • the second communication device is a RAN network element or a CN network element.
  • the second communication device sends indication information of the capability request screening parameter to the terminal.
  • the terminal skips or ignores the capability request filtering parameter according to the indication information of the capability request filtering parameter, and returns the complete terminal capability to the network.
  • the related operations of acquiring the terminal's capabilities can be performed through the skipped or ignored capability request screening parameters.
  • the second communication device is a RAN network element.
  • the RAN network element instructs the terminal to skip or ignore the capability request screening parameters.
  • the terminal skips or ignores capability request screening parameters, and returns the complete terminal capability or terminal capability that meets certain conditions to the network.
  • the certain condition may be a capability request screening parameter that does not indicate skip or ignore.
  • the capability request screening parameter may be understood as at least one of the following: sending a terminal capability according to a requirement of the capability screening parameter and a capability that does not need to be reported intact.
  • the capability request screening parameter can reduce the capability signaling overhead for the capability currently being sent.
  • the capability request screening parameter may also be referred to as a capability reduction parameter.
  • related operations of acquiring terminal capabilities may be performed by instructing the first condition, such as acquiring terminal capabilities that meet the first condition.
  • the first condition may include at least one of the following: information of a network operation subject, network identification information, and network type information.
  • the network type information may include at least one of the following: radio access technology type (RAT) type information, radio access network type (RAN type) information, communication network type information, network age information (such as 5G, 4G, 3G, 2G) , Frequency band information.
  • RAT radio access technology type
  • RAN type radio access network type
  • communication network type information such as 5G, 4G, 3G, 2G
  • Frequency band information such as 5G, 4G, 3G, 2G
  • the network type information may be used to instruct acquiring terminal capabilities corresponding to the network type at the terminal (for example, complete terminal capabilities corresponding to the specified network type).
  • the network identification information may be used to instruct acquiring terminal capabilities corresponding to the network indicated by the terminal in the network identification information (for example, specifying a complete terminal capability corresponding to the network).
  • the network operation subject information may be used to instruct acquiring terminal capabilities corresponding to all networks of the terminal under the network operation subject (such as designating complete terminal capabilities corresponding to all networks under the network operation subject).
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among the terminal capabilities of the terminal capability identity mapping.
  • related operations of acquiring the capability of the terminal may be performed by indicating whether the back-off frequency band reports the indication information.
  • the terminal may decide whether to report the terminal capability corresponding to the fallback frequency band according to the indication information of whether the fallback frequency band is reported. For example, supported carrier aggregation (Carrier Aggregation) band combination and non-carrier aggregation band.
  • Carrier Aggregation Carrier Aggregation
  • the capability request screening parameter includes at least one of the following:
  • the above-mentioned frequency band combination capability reduction information may be a reduction of some band combination capabilities from the frequency band combination capabilities supported by the terminal, and the carrier aggregation capability reduction information reduces some carrier aggregation capabilities from the carrier aggregation capability supported by the terminal, and the dual connectivity The capability reduction information reduces part of the connection capability from the dual connectivity capability supported by the terminal.
  • the above indication information (for example, Skip Fallback Comb, request fallback band combination) requesting to skip the fallback band combination may be used to instruct the terminal to skip the fallback band combination in the capability signaling.
  • the fallback frequency band combination may be a frequency band combination supported by the terminal by default. In order to reduce the overhead of capability reporting, when the indication information is true, the terminal may not send backband combination. However, if the number of Multiple-Input Multiple-Output (MIMO) supported on the back-off frequency band is different, it also needs to be reported.
  • MIMO Multiple-Input Multiple-Output
  • the set capability request screening parameter includes at least one of the following:
  • the network can deduce the back-off frequency band combination supported by the terminal.
  • the terminal reports the back-off band combination, and the network can also know the complete capabilities of the terminal.
  • the information (such as request, Diff, Fallback, and CombList) for requesting a differential backband combination can be used by the terminal to exclude the backband combination supported by the terminal and the same as the indicated band combination.
  • CC component carriers
  • carrier components or carriers
  • the maximum number of carrier units supported by a terminal varies.
  • the network such as a base station
  • the network may only support the simultaneous configuration of up to M CCs for the terminal.
  • the terminal In order to reduce the overhead of capability reporting, when the maximum number of uplink carrier units requested by the network is N, even if the terminal has the capability of more than N CCs, the terminal only refers to the capability of reporting the maximum number of CCs requested by the network, such as band combination .
  • the set capability request screening parameter may include at least one of the following:
  • the maximum number of uplink carrier units requested is set to the maximum number of carrier units supported by the network of the network operation subject.
  • the terminal capability set of the terminal capability identification mapping is consistent in the network of the network operation subject.
  • the requested maximum number of downlink carrier units may be used to indicate the capability under the maximum number of downlink carrier units provided, such as supported CA band combinations and non-CA bands.
  • the maximum number of carrier units supported by a terminal varies.
  • the network (such as a base station) may only support the simultaneous configuration of a maximum of M CCs for the terminal.
  • the terminal In order to reduce the overhead of capability reporting, when the maximum number of uplink carrier units requested by the network is N, even if the terminal has the capability of more than N CCs, the terminal only refers to the capability of reporting the maximum number of CCs requested by the network, such as band combination .
  • the set capability request screening parameter may include at least one of the following:
  • the maximum number of downlink carrier units requested is set to the maximum number of carrier units supported by the network of the network operation subject.
  • the terminal capability set of the terminal capability identification mapping is consistent in the network of the network operation subject.
  • the indication information for requesting the reduction of the non-continuous frequency band combination (such as request Reduced IntNonContComb) can be used to report the reduction of the non-continuous frequency band combination.
  • the set capability request screening parameter may include at least one of the following:
  • the indication of whether to request the reduction of the discontinuous band combination is set to false or no.
  • the requested frequency band information may include frequency band information of the requested MR-DC.
  • the requested frequency band information may indicate a CA frequency band combination and a non-CA frequency band that the terminal provides support in the requested frequency band.
  • the set capability request screening parameter may include at least one of the following:
  • the requested frequency band information includes all frequency band information
  • the requested frequency band information includes all frequency band information supported by the network of the network operation subject;
  • the requested network type may include one of the following: radio access technology type (RAT type), radio access network type (RAN type), communication network type, network age information (such as 5G, 4G, 3G, 2G) .
  • RAT type radio access technology type
  • RAN type radio access network type
  • communication network type such as 5G, 4G, 3G, 2G
  • network age information such as 5G, 4G, 3G, 2G.
  • the requested network type may be used to indicate an ability to obtain support for a terminal under the network type.
  • the set capability request screening parameter may include at least one of the following:
  • the requested network type contains all network types
  • the requested network type includes all network types supported by the network operator's network.
  • the terminal capability set of the terminal capability identification mapping is consistent in the network of the network operation subject.
  • the first target end may be at least one of the following: a RAN network element, a CN network element, and a terminal.
  • the second communication device is a RAN network element.
  • the RAN network element may send the above capability request information to the terminal and / or the CN network element.
  • the second communication device is a CN network element.
  • the CN network element sends the above capability request information to the RAN network element and / or to the terminal.
  • the above-mentioned capability request screening parameter does not include at least one of the capability request screening parameters.
  • the non-capacity request screening parameter may include at least one of the following: does not include the capability reduction-related filtering parameter; does not include the band combination capability reduction information; does not include the carrier aggregation capability reduction information; does not include the dual connectivity capability reduction information ; Does not include instructions for requesting skip backband combination; does not include information for requesting differential backband combination; does not include information on requesting the maximum number of uplink carrier units; does not include information on requesting the maximum number of downlink carrier units; does not include request Indication information for reducing non-continuous frequency band combination; does not include information of requested frequency band; does not include information of requested MR-DC frequency band; does not include requested network type information.
  • setting the above-mentioned capability request screening parameter to no or false may be to set at least one of the capability request screening parameters to no or false.
  • setting the capability request screening parameter to no or false may include at least one of the following: setting the indication of whether to request the skipped backband band combination to false or no; and setting the indication of requesting the reduction of discontinuous band combinations to False or no.
  • the setting the capability request screening parameter to the maximum value may be setting at least one of the capability request screening parameters to the maximum value.
  • setting the capability request screening parameter to the maximum value may include at least one of the following: setting the maximum number of requested uplink carrier units to the maximum value. Set the maximum number of requested downlink carrier units to the maximum.
  • the setting the capability request screening parameter to include all values may be setting at least one of the capability request screening parameters to all of its values.
  • setting the capability request filtering parameter to include all values may include at least one of the following: the requested frequency band information includes all the frequency band information; the requested network type includes all the network types; the requested radio access technology type is all Radio access technology type.
  • the setting of the capability request filtering parameter to the maximum value supported by the service network may be setting at least one of the request filtering parameters to the maximum value supported by the service network.
  • setting the capability request filtering parameter to the maximum value supported by the serving network may include at least one of the following: setting the maximum number of requested uplink carrier units to the maximum number of carrier units supported by the serving network; The number is set to the maximum number of carrier units supported by the serving network.
  • the setting of the capability request filtering parameter to include all values supported by the serving network may be setting at least one of the request filtering parameters to include all values supported by the serving network.
  • setting the capability request filtering parameter to include all values supported for the serving network may include at least one of the following: the requested frequency band information includes all the frequency band information supported by the serving network; the requested network type includes all the frequency information supported by the serving network Network type; the requested radio access technology type includes all radio access technology types supported by the serving network.
  • all the values of the capability request screening parameter set to include network support as the network operation subject may be set to include at least one of the capability request screening parameters as the maximum value of network support included as the network operation subject. value.
  • setting the capability request filtering parameter to include the maximum value supported by the network operation subject may include at least one of the following: setting the maximum number of requested uplink carrier units to the maximum carrier unit supported by the network of the network operation subject Number; set the number of requested downlink maximum carrier units to the maximum number of carrier units supported by the network of the network operator.
  • the above-mentioned setting of the capability request screening parameter to include all values supported by the network operation subject may include setting at least one of the capability request screening parameters to include all of the network support subject to the network operation subject.
  • Value may include at least one of the following: the requested frequency band information includes all the frequency band information supported by the network of the network operation subject; the requested network type Contains all network types supported by the network operator's network; the requested wireless access technology type includes all wireless access technology types supported by the network operator's network.
  • the method may further include receiving second information, and the second information may include at least one of the following:
  • the above-mentioned receiving complete terminal capability may be a receiving complete RAN network element or a complete terminal capability sent by the terminal.
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among terminal capabilities that are mapped by a terminal capability identifier.
  • the receiving the second information may be at least one of the following receiving the second information.
  • the second communication device is a CN network element, it may receive the second information from a RAN network element, a terminal, or another CN network element.
  • the second communication is set as the RAN network element, the second information may be received from other RAN network elements, terminals, or other CN network elements.
  • the capability acquiring method of this embodiment it is possible to acquire the terminal capability mapped by the terminal capability identifier or obtain the complete terminal capability, establish a mapping relationship between the terminal capability identifier and the terminal capability, and support the function of capability signaling optimization, which can accurately map on one hand Providing terminal capabilities can also effectively reduce signaling overhead and reduce transmission overhead caused by reporting capabilities.
  • FIG. 4 is a flowchart of another capability acquisition method according to an embodiment of the present disclosure.
  • the capability acquisition method in this embodiment may be applied to a third communication device.
  • the third communication device may include but is not limited to at least one of the following: a RAN network element (such as gNB, eNB), and a CN network element (such as AMF, MME), such as As shown in Figure 4, it includes the following steps:
  • Step 401 Obtain capability request information, where the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first condition, and rollback Whether at least one of the indication information of the frequency band, the indication information of acquiring the terminal capability corresponding to the terminal capability identifier, the terminal capability identification information, and the capability signaling optimization support information is supported, wherein the indication information of the capability request screening parameter is Instructs to skip or ignore capability request filtering parameters;
  • Step 402 Perform a second related operation of the terminal capability according to the capability request information.
  • the foregoing capability request information may be acquired from at least one of the following: a RAN network element, a CN network element, an AMF, an MME, a gNB, and an eNB.
  • the capability request information may be received from a CN network element or another RAN network element.
  • the capability request information may be received from another CN network element or a RAN network element.
  • the foregoing terminal capability identification information may be a current terminal capability identification.
  • the current terminal capability identifier may be understood as at least one of the following: terminal capability identifier information corresponding to the current terminal capability, valid terminal capability identifier information, latest terminal capability identifier information, latest terminal capability identifier sent by the terminal to the network, and network
  • the indication information of acquiring the terminal capability corresponding to the terminal capability identifier may be the indication information of acquiring the terminal capability corresponding to the current terminal capability identifier of the terminal.
  • a terminal may be configured with multiple capability identifiers, and different capability identifiers map different sets of capabilities.
  • the complete terminal capability may not be the terminal capability mapped by the terminal capability identifier.
  • the indication information that can display all terminal capabilities corresponding to the terminal capability identifier can be displayed to ensure that the terminal capability mapped by the terminal capability identifier is obtained.
  • the complete terminal capability can be obtained by using the foregoing capability request filtering parameter.
  • the complete terminal capability is mapped one by one with the current capability identifier of the terminal, so that the complete terminal capability can be obtained by not including the capability request filtering parameter.
  • an association relationship can be established with an existing terminal capability identifier.
  • the terminal may be configured with multiple capability identifiers, and the capabilities of the terminals mapped by different capability identifiers are different, and the complete terminal capabilities may not be the terminal capabilities mapped by the terminal capability identifiers. It is not difficult to understand that, by displaying the indication information indicating that all terminal capabilities corresponding to the terminal capability identifier are obtained, it is possible to ensure that the terminal capabilities mapped by the terminal capability identifier are obtained.
  • the second related operation may be performed by requesting indication information of a complete terminal capability, such as obtaining a complete terminal capability.
  • the third communication device is a CN network element.
  • the CN network element may instruct the RAN network element to obtain the complete capability set of the terminal.
  • the CN network element can establish a mapping relationship between the terminal capability identifier and the complete capability set. In this implementation manner, the CN network element can instruct the RAN network element to obtain the complete capability set of the terminal.
  • an interface message (such as an S1 message (such as an initial UE context establishment request message) and / or an NG message (such as an initial UE context establishment request message)) between the CN network element and the RAN network may include a request for acquisition Complete terminal capability indication.
  • the third communication device is a RAN network element.
  • the RAN network element may instruct the terminal to report the complete capability set of the terminal.
  • the RAN network element may establish a mapping relationship between the terminal capability identifier and the complete capability set and / or send the acquired terminal capability to the CN network element.
  • the UE capability query message may include instruction information for requesting to obtain complete terminal capabilities.
  • the second related operation may be performed by using terminal capability identification information.
  • the third communication device is a RAN network element.
  • the RAN network element may request the terminal from the terminal according to the terminal capability identification information ability.
  • the terminal may return the terminal capability identification mapped terminal capability to the RAN network element according to the terminal capability identification information indicated by the RAN network element, where the terminal capability may be a terminal capability set.
  • the terminal capability identification information may be included in the terminal capability query message.
  • the second related operation may be performed by acquiring indication information of the terminal capability corresponding to the terminal capability identifier, such as acquiring the terminal capability corresponding to the terminal capability identifier.
  • the third communication device is a RAN network element.
  • the RAN network element may request the terminal capability from the terminal according to an instruction information, where the instruction information is used to request the terminal for the terminal capability set mapped by the current terminal capability identity.
  • the terminal may return the terminal capability set mapped to the current terminal capability identifier to the RAN network element.
  • the above-mentioned instruction information may be 1-bit instruction information, of course, it is not limited thereto.
  • the terminal capability query message may include instruction information for acquiring the terminal capability corresponding to the terminal capability identifier.
  • the second related operation may be performed by using capability signaling to optimize whether information is supported.
  • the information indicating whether the capability signaling optimization is supported may refer to at least one of the following: the terminal has the capability signaling optimization capability, the network has the capability signaling optimization capability, and both the terminal and the network have the capability signaling optimization capability.
  • the third communication device is a CN network element.
  • the CN element can send the capability signaling optimization support information to the terminal during the registration process.
  • the capability signaling optimization support information indicates support, when receiving a capability acquisition request (such as an RRC message for UE capability query) sent by the network, the terminal can skip or ignore the capability request filtering parameters and return the current terminal capability identifier to the network. Mapped terminal capability set or complete capability set.
  • the third communication device is a RAN network element.
  • the RAN network element can send (for example, broadcast in system information, send in RRC message 5 or send in UE capability query message) the capability signaling optimization information to the terminal.
  • the capability signaling optimization support information indicates support
  • the terminal can ignore the capability request filtering parameters and return the terminal capability of the current terminal capability identification mapping to the network. Set, complete terminal capability set, or complete terminal capability that meets the first condition.
  • the capability of the terminal may be acquired through indication information of the capability request screening parameter.
  • the third communication device is a RAN network element or a CN network element.
  • the third communication device sends indication information of the capability request screening parameter to the terminal.
  • the terminal skips or ignores the capability request filtering parameter according to the indication information of the capability request filtering parameter, and returns the complete terminal capability to the network.
  • the second related operation may be performed by using a skipped or ignored capability request filtering parameter.
  • the third communication device is a RAN network element.
  • the RAN network element instructs the terminal to skip or ignore the capability request screening parameters.
  • the terminal skips or ignores the capability request screening parameter according to the indicated skip or ignore capability request screening parameter, and returns the complete terminal capability or the terminal capability meeting certain conditions to the network.
  • the certain condition may be a capability request screening parameter that does not indicate skip or ignore.
  • the capability request screening parameter may be understood as at least one of the following: sending a terminal capability according to a requirement of the capability screening parameter and a capability that does not need to be reported intact.
  • the capability request screening parameter can reduce the capability signaling overhead for the capability currently being sent.
  • the capability request screening parameter may also be referred to as a capability reduction parameter.
  • related operations of acquiring terminal capabilities may be performed by instructing the first condition, such as acquiring terminal capabilities that meet the first condition.
  • the first condition may include at least one of the following: information of a network operation subject, network identification information, and network type information.
  • the network type information may include at least one of the following: radio access technology type (RAT) type information, radio access network type (RAN type) information, communication network type information, network age information (such as 5G, 4G, 3G, 2G) , Frequency band information.
  • RAT radio access technology type
  • RAN type radio access network type
  • communication network type information such as 5G, 4G, 3G, 2G
  • Frequency band information such as 5G, 4G, 3G, 2G
  • the network type information may be used to instruct acquiring terminal capabilities corresponding to the network type at the terminal (for example, complete terminal capabilities corresponding to the specified network type).
  • the network identification information may be used to instruct acquiring terminal capabilities corresponding to the network indicated by the terminal in the network identification information (for example, specifying a complete terminal capability corresponding to the network).
  • the network operation subject information may be used to instruct acquiring terminal capabilities corresponding to all networks of the terminal under the network operation subject (such as designating complete terminal capabilities corresponding to all networks under the network operation subject).
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among the terminal capabilities of the terminal capability identity mapping.
  • related operations of acquiring the capability of the terminal may be performed by indicating whether the back-off frequency band reports the indication information.
  • the terminal may decide whether to report the terminal capability corresponding to the fallback frequency band according to the indication information of whether the fallback frequency band is reported. For example, supported carrier aggregation (Carrier Aggregation) band combination and non-carrier aggregation band.
  • Carrier Aggregation Carrier Aggregation
  • the second related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the complete terminal capability may be described as the complete terminal capability in the embodiment of FIG. 2, and details are not described herein again.
  • the terminal capability that satisfies the first condition may be described as the terminal capability that satisfies the first condition in the embodiment of FIG. 2, and details are not described herein again.
  • acquiring complete terminal capabilities can be understood as requesting to obtain complete terminal capabilities.
  • the obtaining the complete terminal capability may be obtained through a one-time acquisition manner.
  • the acquiring complete terminal capabilities may be acquiring multiple subsets of terminal capabilities in multiple acquisition modes, and then combining them to form a complete terminal capability. It is not difficult to understand that, for the one-time acquisition method, the complete terminal capability can be acquired by not including the capability request screening parameter. For multiple acquisition methods, the capability request filtering parameters can still be set. By setting different values of the capability request screening parameters, a subset of the capabilities of the terminal is obtained and combined into a complete terminal capability.
  • not including the capability request filtering parameter can be understood as not setting the capability request filtering parameter.
  • the UE capability query message does not include capability request filtering parameters.
  • the capability request screening parameter not included in the acquisition of the capability of the terminal may be: when sending a capability acquisition related message (such as a UE capability query message), the sending the capability acquisition related message does not include the capability request screening parameter. It is not difficult to understand that when there is no ability to filter parameters, the terminal can return the complete terminal capability or the terminal capability mapped by the current capability identifier.
  • the setting capability request filtering parameter may include at least one of the following:
  • the second target end may be at least one of the following: a RAN network element (such as gNB, eNB), a CN network element, and a terminal.
  • a RAN network element such as gNB, eNB
  • the CN network element sends The RAN network element may send the above capability request information to the terminal.
  • the third communication device is a RAN network element
  • the RAN network element or the CN network element or sends the above capability request information to the terminal.
  • the method may further include receiving second information, and the second information may include at least one of the following:
  • the above-mentioned receiving complete terminal capability may be a receiving complete RAN network element or a complete terminal capability sent by the terminal.
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among terminal capabilities that are mapped by a terminal capability identifier.
  • the receiving the second information may be at least one of the following receiving the second information.
  • the second communication device is a CN network element, it may receive the second information from a RAN network element, a terminal, or another CN network element.
  • the second communication is set as the RAN network element, the second information may be received from other RAN network elements, terminals, or other CN network elements.
  • the capability acquiring method of this embodiment it is possible to acquire the terminal capability mapped by the terminal capability identifier or obtain the complete terminal capability, establish a mapping relationship between the terminal capability identifier and the terminal capability, and support the function of capability signaling optimization, which can accurately map on one hand Providing terminal capabilities can also effectively reduce signaling overhead and reduce transmission overhead caused by reporting capabilities.
  • FIG. 5 is a flowchart of another capability acquisition method according to an embodiment of the present disclosure.
  • the capability acquisition method of this embodiment can be applied to a fourth communication device.
  • the fourth communication device may include, but is not limited to, at least one of the following: a terminal, a terminal capable relay, and a terminal capable of relaying, as shown in FIG. 5, including the following steps:
  • Step 501 Determine whether a predetermined condition is satisfied
  • Step 502 If it is confirmed that the predetermined condition is satisfied, perform a terminal capability related operation.
  • the predetermined condition includes at least one of the following:
  • the capability signaling optimization support may refer to at least one of the following: both the terminal and the network have the capability for signaling optimization, or the network sends the capability signaling optimization support to the terminal.
  • the terminal capability identifier is sent to the network, the foregoing terminal capability related operations are performed.
  • the terminal capability related operations described above are performed.
  • the foregoing terminal capability related operations are performed.
  • the method further includes:
  • the indication information about whether the capability signaling optimization is supported may be obtained from the RAN network element or the CN network element.
  • the terminal capability related operations include at least one of the following:
  • the complete terminal capability may be described as the complete terminal capability in the embodiment of FIG. 2, and details are not described herein again.
  • the terminal capability that satisfies the first condition may be described as the terminal capability that satisfies the first condition in the embodiment of FIG. 2, and details are not described herein again.
  • the operations related to terminal capabilities may be performed by pre-configuring the first condition, such as sending terminal capabilities that meet the first condition.
  • the first condition may include at least one of the following: information of a network operation subject, network identification information, and network type information.
  • the network type information may include at least one of the following: radio access technology type (RAT) type information, radio access network type (RAN type) information, communication network type information, network age information (such as 5G, 4G, 3G, 2G) , Frequency band information.
  • RAT radio access technology type
  • RAN type radio access network type
  • communication network type information such as 5G, 4G, 3G, 2G
  • Frequency band information such as 5G, 4G, 3G, 2G
  • the radio access technology type information, the radio access network type information, the communication network type information, and the network age information are as described above, and are not repeated here.
  • the network type information may be used to instruct acquiring terminal capabilities corresponding to the network type at the terminal (for example, complete terminal capabilities corresponding to the specified network type).
  • the network identification information may be used to instruct acquiring terminal capabilities corresponding to the network indicated by the terminal in the network identification information (for example, specifying a complete terminal capability corresponding to the network).
  • the network operation subject information may be used to instruct acquiring terminal capabilities corresponding to all networks of the terminal under the network operation subject (such as designating complete terminal capabilities corresponding to all networks under the network operation subject).
  • the terminal capability that satisfies the first condition may be a complete terminal capability that satisfies the first condition or a terminal capability that satisfies the first condition among the terminal capabilities of the terminal capability identity mapping.
  • the foregoing skip or ignore capability request screening parameter may be that the terminal returns the complete terminal capability or the terminal capability mapped by the current terminal capability identifier. For example, when the terminal supports optimization of capability signaling or has reported the terminal capability identification, the terminal skips or ignores the capability request filtering parameters, and the terminal may return the complete terminal capability or the terminal capability mapped by the current terminal capability identification.
  • the terminal may also return at least one of the following: delta terminal capabilities, and updated terminal capability identification information.
  • the predetermined condition may include at least one of the following: the terminal has a capability change, the terminal ’s current terminal capability is not consistent with the terminal ’s current capability identification mapping capability, the updated capability identification information has not been sent to the network, and the capability identification mapping the current terminal capability The capability identifier that has not yet been sent to the network and maps the current terminal capabilities has not been obtained from the network.
  • the terminal may further return at least one of the following: a different terminal capability, and updated terminal capability identification information.
  • the capability acquiring method of this embodiment it is possible to acquire the terminal capability mapped by the terminal capability identifier or obtain the complete terminal capability, establish a mapping relationship between the terminal capability identifier and the terminal capability, and support the function of capability signaling optimization, which can accurately map on one hand Providing terminal capabilities can also effectively reduce signaling overhead and reduce transmission overhead caused by reporting capabilities.
  • This embodiment mainly describes a process in which a CN network element requests a RAN network element to obtain a complete terminal capability when the terminal capability identifier has no mapped terminal capability set. Corresponds to a scenario where the RAN does not recognize the terminal capability identity. Please refer to FIG. 6, as shown in FIG. 6, including the following steps:
  • Step 1 The terminal sends a NAS message to a CN (core network) network element through a RAN (radio access network) network element.
  • the NAS message includes terminal capability identification information.
  • the CN network element can map the capabilities of the terminal according to the capability change information.
  • the CN network element When the terminal capability identification information includes a terminal capability identification without a mapped terminal capability set, the CN network element sends the capability acquisition information to the RAN network element to request the complete terminal capability.
  • the complete terminal capability is a terminal capability mapped by a terminal capability identifier.
  • Step 2 The CN network element sends a UE context establishment request message to the RAN network element.
  • the message includes capability request information.
  • the capability request information is as described in the embodiment of FIG. 4 and will not be repeated here.
  • the RAN network element determines a second related operation of the terminal capability according to the capability request information.
  • the second related operation is as described in the embodiment of FIG. 4, and details are not described herein again.
  • step 3 the RAN network element sends a terminal capability acquisition request to the terminal.
  • the request does not include a screening condition for reducing capability.
  • the request includes capability request information (also referred to as capability acquisition information).
  • the request includes the obtained terminal capability identification information.
  • the request includes the acquired terminal capability identification information without a mapped terminal capability.
  • Step 4 After receiving the terminal capability acquisition request, the terminal returns the requested terminal capability to the RAN network element.
  • the request does not include a screening condition for reducing capability.
  • the terminal can return the complete terminal capability or the terminal capability mapped by the current terminal capability identifier.
  • the request includes an indication information.
  • the terminal may return the terminal capabilities mapped by the current terminal capability identifier.
  • the request includes the acquired terminal capability identification information or terminal capability identification information without a mapped terminal capability.
  • the terminal may return the requested terminal capability identifier mapped terminal capability.
  • Step 5 The RAN network element sends a terminal capability set to the CN network element.
  • the CN network element establishes a mapping relationship between the terminal capability identifier and the terminal capability.
  • This embodiment mainly describes a process in which a RAN network element requests a terminal to obtain a complete terminal capability when the terminal capability identifier has no mapped terminal capability set.
  • a RAN network element requests a terminal to obtain a complete terminal capability when the terminal capability identifier has no mapped terminal capability set.
  • the RAN recognizes the terminal capability identity. Please refer to FIG. 7, which includes the following steps:
  • Step 1 The terminal sends a NAS message to a CN (core network) network element through a RAN (radio access network) network element.
  • the NAS message includes terminal capability identification information.
  • Step 2 The CN network element sends a UE context establishment request message to the RAN network element.
  • the message includes terminal capability identification information.
  • An embodiment in which the terminal capability identification information is first information. The first information is as described in the embodiment of FIG. 3, and details are not described herein again.
  • a first related operation of the terminal capability is determined according to the first information.
  • the first related operation is as described in the embodiment of FIG. 3, and details are not described herein again.
  • the RAN network element acquires the terminal capability from the terminal.
  • step 3 the RAN network element sends a terminal capability acquisition request to the terminal.
  • the request does not include a capability request screening parameter (or a screening condition for capability reduction).
  • the request includes a piece of information.
  • the request includes the obtained terminal capability identification information.
  • the request includes the acquired terminal capability identification information without a mapped terminal capability.
  • Step 4 After receiving the terminal capability acquisition request, the terminal returns the requested terminal capability set to the RAN network element.
  • the request does not include a capability request screening parameter.
  • the terminal can return the complete terminal capability or the terminal capability mapped by the current terminal capability identifier.
  • the request includes an indication information.
  • the terminal may return the terminal capabilities mapped by the current terminal capability identifier.
  • the request includes the acquired terminal capability identification information or terminal capability identification information without a mapped terminal capability.
  • the terminal may return the requested terminal capability identifier mapped terminal capability.
  • Step 5 The RAN network element sends a terminal capability set to the CN network element.
  • the CN network element establishes a mapping relationship between the terminal capability identifier and the terminal capability set.
  • This embodiment mainly describes a process in which a CN network element requests a RAN network element to obtain a complete terminal capability when the terminal capability identifier has no mapped terminal capability set.
  • a CN network element requests a RAN network element to obtain a complete terminal capability when the terminal capability identifier has no mapped terminal capability set.
  • the RAN recognizes the terminal capability identity. Please refer to FIG. 8, which includes the following steps:
  • Step 1 The terminal sends an RRC message (such as an RRC establishment complete message) to the RAN network element.
  • the RRC message includes terminal capability identification information and / or capability signaling optimization capability information.
  • the terminal capability identification information and / or capability signaling optimization capability information are the first information embodiment.
  • the first information is as described in the embodiment of FIG.
  • Step 2 The RAN network element sends an initial UE message to the CN network element.
  • the message includes at least one of the following: terminal capability identification information, capability identification information for which no terminal capability is mapped, and information for which there is no terminal capability.
  • the CN network element sends a UE context establishment request message to the RAN network element.
  • the message does not include terminal capabilities.
  • the first related operation is as described in the embodiment of FIG. 3, and details are not described herein again.
  • the RAN network element obtains the terminal capability from the terminal.
  • the RAN network element obtains the terminal capability from the terminal.
  • Step 4 The RAN network element sends a terminal capability acquisition request to the terminal.
  • the request does not include a capability request screening parameter.
  • the request includes capability request information.
  • the request includes the obtained terminal capability identification information.
  • the request includes the acquired terminal capability identification information without a mapped terminal capability.
  • Step 5 After receiving the terminal capability acquisition request, the terminal returns the requested terminal capability set to the RAN network element.
  • the request does not include a capability request screening parameter.
  • the terminal can return the complete terminal capability or the terminal capability mapped by the current terminal capability identifier.
  • the request includes capability acquisition information.
  • the terminal may return the terminal capability mapped to the current terminal capability identifier or return the complete terminal capability according to the capability request information.
  • the request includes the acquired terminal capability identification information or terminal capability identification information without a mapped terminal capability.
  • the terminal may return the requested terminal capability identifier mapped terminal capability.
  • Step 6 The RAN network element sends a terminal capability set to the CN network element.
  • the CN network element establishes a mapping relationship between the terminal capability identifier and the terminal capability set.
  • This embodiment mainly describes the process when the terminal sends the terminal capability in response to the RAN. Please refer to FIG. 9, which includes the following steps:
  • Step 1 The RAN network element sends terminal capability acquisition to the terminal.
  • the request includes a capability request screening parameter (also referred to as a capability reduction screening condition).
  • Step 2 The terminal returns the terminal capability to the RAN network element.
  • the predetermined conditions include at least one of the following:
  • terminal capability related operations include at least one of the following:
  • the terminal when the terminal supports optimization of capability signaling or when the terminal capability identifier has been reported, the terminal ignores the screening condition for capability reduction.
  • the terminal can return the complete terminal capability or the terminal capability mapped by the current terminal capability identifier.
  • FIG. 10 is one of the structural diagrams of a communication device provided by an embodiment of the present disclosure.
  • the communication device in this embodiment is the first communication device in the foregoing method embodiment.
  • the communication device 1000 includes:
  • the first obtaining module 1001 is configured to obtain capability request information, where the capability request information includes: indication information for requesting complete terminal capabilities, indication information for capability request screening parameters, skipped or ignored capability request screening parameters, A condition: at least one of indication information of whether to report backband frequency bands, indication information of acquiring terminal capabilities corresponding to a terminal capability identifier, terminal capability identifier information, and information on whether capability signaling optimization is supported, wherein the capability request screening parameter
  • the indication information is used to indicate that the capability request filtering parameters are skipped or ignored;
  • a first execution module 1002 is configured to perform a related operation of a terminal capability according to the capability request information.
  • the capability request screening parameter includes at least one of the following:
  • the first condition includes at least one of the following: information of a network operation subject, network identification information, network type information, and frequency band information.
  • the related operations of the terminal capabilities include at least one of the following:
  • the complete terminal capability includes at least one of the following:
  • the terminal supports the complete terminal capabilities corresponding to the type of wireless access technology
  • the terminal capability meeting the first condition includes at least one of the following:
  • the terminal specifies the terminal capabilities supported by the network corresponding to the network identification information
  • the terminal specifies the terminal capabilities correspondingly supported by the network operation subject in the network operation information
  • the terminal specifies the supported terminal capabilities corresponding to the network type in the network type information.
  • the communication device 1000 can implement the processes implemented by the first communication device in the method embodiment of the present disclosure, and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
  • FIG. 11 is one of the structural diagrams of a communication device provided by an embodiment of the present disclosure.
  • the communication device in this embodiment is the second communication device in the foregoing method embodiment.
  • the communication device 1100 includes:
  • a second obtaining module 1101 is configured to obtain first information, where the first information includes: capability signaling optimization capability information, capability signaling optimization support information, terminal capability identification information, and terminal capability identification unmapped terminal At least one of capability information and terminalless information;
  • the second execution module 1102 is configured to perform a first related operation of the terminal capability according to the first information.
  • the first related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the setting capability request filtering parameter includes at least one of the following:
  • the capability request information includes at least one of the following:
  • the first condition includes at least one of the following: information of a service network, information of a network operation subject, identification information of the network, information of a network type, and information of a frequency band.
  • the communication device 1100 further includes:
  • the capability request screening parameter includes at least one of the following:
  • the communication device 1100 can implement the processes implemented by the second communication device in the method embodiments of the present disclosure, and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
  • FIG. 13 is one of the structural diagrams of a communication device provided by an embodiment of the present disclosure.
  • the communication device in this embodiment is the third communication device in the foregoing method embodiment.
  • the communication device 1300 includes:
  • the third obtaining module 1301 is configured to obtain capability request information, where the capability request information includes: indication information for requesting complete terminal capabilities, indication information for capability request screening parameters, skipped or ignored capability request screening parameters, A condition: at least one of indication information of whether to report backband frequency bands, indication information of acquiring terminal capabilities corresponding to a terminal capability identifier, terminal capability identifier information, and information on whether capability signaling optimization is supported, wherein the capability request screening parameter
  • the indication information is used to indicate that the capability request filtering parameters are skipped or ignored;
  • the third execution module 1302 is configured to perform a second related operation of the terminal capability according to the capability request information.
  • the second related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the setting capability request filtering parameter includes at least one of the following:
  • the communication device 1300 can implement the processes implemented by the third communication device in the method embodiment of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
  • FIG. 14 is one of the structural diagrams of a communication device provided by an embodiment of the present disclosure.
  • the communication device in this embodiment is the fourth communication device in the foregoing method embodiment.
  • the communication device 1400 includes:
  • a fourth execution module 1402 is configured to execute a terminal capability related operation if it is confirmed that the predetermined condition is satisfied.
  • the predetermined condition includes at least one of the following:
  • the communication device 1400 further includes:
  • a fourth obtaining module 1403 is configured to obtain indication information of whether capability signaling optimization is supported.
  • the terminal capability related operations include at least one of the following:
  • the complete terminal capability includes at least one of the following:
  • the terminal supports the complete terminal capabilities corresponding to the type of wireless access technology
  • the terminal supports the complete terminal capabilities supported by the network operation subject.
  • the communication device 1400 can implement the processes implemented by the fourth communication device in the method embodiment of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
  • FIG. 16 is a fifth structural diagram of a communication device according to an embodiment of the present disclosure.
  • the communication device 1600 includes a memory 1601, a processor 1602, and a computer program 16011 stored in the memory 1601 and executable on the processor 1602.
  • the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first condition, and whether a backband is reported At least one of indication information, indication information for acquiring terminal capability corresponding to the terminal capability identifier, terminal capability identification information, and capability signaling optimization capability information, wherein the indication information of the capability request screening parameter is used to indicate skip or ignore Capability request screening parameters;
  • the capability request screening parameter includes at least one of the following:
  • the first condition includes at least one of the following: information of a network operation subject, network identification information, network type information, and frequency band information.
  • the terminal capability related operations include at least one of the following:
  • the complete terminal capability includes at least one of the following:
  • the terminal supports the complete terminal capabilities corresponding to the type of wireless access technology
  • the terminal capability meeting the first condition includes at least one of the following:
  • the terminal specifies the terminal capabilities supported by the network corresponding to the network identification information
  • the terminal specifies the terminal capabilities correspondingly supported by the network operation subject in the network operation information
  • the terminal specifies the supported terminal capabilities corresponding to the network type in the network type information.
  • the first information includes: capability signaling optimization capability information, indication information of whether capability signaling optimization is supported, terminal capability identification information, terminal capability identification information of terminal capabilities without mapping, and terminal capability At least one of the information;
  • the first related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the setting capability request filtering parameter includes at least one of the following:
  • the capability request information includes at least the following items:
  • the first condition includes at least one of the following: information of a service network, information of a network operation subject, identification information of the network, information of a network type, and information of a frequency band.
  • the processor 1602 is further configured to receive second information, where the second information includes at least one of the following:
  • the capability request screening parameter includes at least one of the following:
  • the capability request information includes: indication information for requesting a complete terminal capability, indication information for a capability request screening parameter, skipped or ignored capability request screening parameters, a first condition, and whether a backband is reported At least one of indication information, indication information for acquiring terminal capability corresponding to the terminal capability identifier, terminal capability identification information, and capability signaling optimization capability information, wherein the indication information of the capability request screening parameter is used to indicate skip or ignore Capability request screening parameters;
  • the second related operation for performing terminal capabilities includes at least one of the following:
  • the capability request filtering parameters are not included when acquiring terminal capabilities
  • the setting capability request filtering parameter includes at least one of the following:
  • the predetermined condition includes at least one of the following:
  • the processor 1602 is further configured to:
  • the terminal capability related operations include at least one of the following:
  • the complete terminal capability includes at least one of the following:
  • the terminal supports the complete terminal capabilities corresponding to the type of wireless access technology
  • the terminal supports the complete terminal capabilities supported by the network operation subject.
  • the communication device 1600 can implement the processes implemented by the communication device in the foregoing method embodiments. To avoid repetition, details are not described herein again.
  • An embodiment of the present disclosure further provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the processes of any one of the foregoing capability acquisition method embodiments are implemented, and can achieve the same Technical effects, in order to avoid repetition, will not repeat them here.
  • the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
  • the disclosed apparatus and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure is essentially a part that contributes to related technologies or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several
  • the instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in various embodiments of the present disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application-specific integrated circuits (ASICs), digital signal processors (DSP), digital signal processing devices (DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, other for performing functions described in this disclosure Electronic unit or combination thereof.
  • ASICs application-specific integrated circuits
  • DSP digital signal processors
  • DSPD digital signal processing devices
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • controller microcontroller
  • microprocessor other for performing functions described in this disclosure Electronic unit or combination thereof.
  • the technology described in the embodiments of the present disclosure may be implemented by modules (such as procedures, functions, and the like) that perform the functions described in the embodiments of the present disclosure.
  • Software codes may be stored in a memory and executed by a processor.
  • the memory may be implemented in the processor or external to the processor.

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

Abstract

Selon des modes de réalisation, la présente invention concerne un procédé de confirmation de capacité et un dispositif de communication. Le procédé de confirmation de capacité consiste à : obtenir des informations de demande d'informations de capacité, les informations de demande d'informations de capacité comprenant au moins une information indiquant une demande d'informations complètes de capacité de terminal, des informations indiquant un paramètre de filtrage de demande d'informations de capacité, des informations indiquant un paramètre de filtrage de demande d'informations de capacité devant être omis ou ignoré, une première condition indiquant s'il faut rendre compte d'une bande de repli, des informations indiquant la confirmation de capacité de terminal correspondant à un identifiant de capacité de terminal, des informations de l'identifiant de capacité de terminal, et des informations indiquant si l'optimisation de la signalisation de capacité est prise en charge ; et exécuter, selon les informations de demande d'informations de capacité, une opération associée par rapport à la capacité de terminal.
PCT/CN2019/106668 2018-09-20 2019-09-19 Procédé de confirmation de capacité et dispositif de communication WO2020057597A1 (fr)

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