WO2019041347A1 - 用于无线通信的方法和设备 - Google Patents

用于无线通信的方法和设备 Download PDF

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Publication number
WO2019041347A1
WO2019041347A1 PCT/CN2017/100395 CN2017100395W WO2019041347A1 WO 2019041347 A1 WO2019041347 A1 WO 2019041347A1 CN 2017100395 W CN2017100395 W CN 2017100395W WO 2019041347 A1 WO2019041347 A1 WO 2019041347A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
access network
access
network device
layer context
Prior art date
Application number
PCT/CN2017/100395
Other languages
English (en)
French (fr)
Inventor
杨宁
刘建华
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP17923408.3A priority Critical patent/EP3654697B1/en
Priority to AU2017429324A priority patent/AU2017429324A1/en
Priority to IL272881A priority patent/IL272881B2/en
Priority to PCT/CN2017/100395 priority patent/WO2019041347A1/zh
Priority to CN201780092498.0A priority patent/CN110786047A/zh
Priority to KR1020207007939A priority patent/KR102317096B1/ko
Priority to CN202010086745.XA priority patent/CN111278072A/zh
Priority to JP2020512870A priority patent/JP7043590B2/ja
Publication of WO2019041347A1 publication Critical patent/WO2019041347A1/zh
Priority to US16/752,364 priority patent/US11212851B2/en
Priority to PH12020500381A priority patent/PH12020500381A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/06Reselecting a communication resource in the serving access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/25Maintenance of established connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/27Transitions between radio resource control [RRC] states

Definitions

  • Embodiments of the present application relate to the field of communications, and, more particularly, to a method and apparatus for wireless communication.
  • the terminal when the terminal has no service for a period of time, in order to save the resources of the air interface, and also to save the power of the terminal, the terminal may be turned into an idle state or an inactive state.
  • the access layer context information of the terminal needs to be reconfigured by the access network device of the current cell, thereby causing a large network overhead.
  • the embodiments of the present application provide a method and device for wireless communication, which is beneficial to reducing network overhead.
  • a method for wireless communication includes: acquiring access layer context identification information of a first terminal device, where access layer context identification information of the first terminal device is used to identify the first Determining, by the first access network device, the access layer context information of the first terminal device, and determining, according to the access layer context identifier information of the first terminal device, the first access network device, so as to be the first
  • the second access network device that provides the network service by the terminal device acquires the access layer context information of the first terminal device from the first access network device.
  • the number or bit stream of the access layer context identification information of the first terminal device used to identify the information of the first access network device and the identifier of the first access network device is different.
  • the UE AS Context ID does not directly include the identifier of the access network device, and the terminal device obtains the identifier of the access network device by using the implicit indication, and thus the storage device may
  • the access layer context information of the terminal device is obtained at the access layer device of the access layer context information of the terminal device. It can achieve the purpose of protecting the network and the user's security and privacy on the air interface.
  • determining the first access network device according to the access layer context identifier information of the first terminal device including: according to the access layer context of the first terminal device Determining, by the identifier information, the first mapping relationship, the mapping relationship between the access layer context identifier information of the at least one terminal device and the identifier of the at least one access network device, where the first mapping relationship is At least one terminal device includes the first terminal device.
  • the first mapping relationship is a one-to-one mapping relationship between the at least one access layer context identifier information and the identifier of the at least one access network device, where the at least one access layer context identifier is The information includes access layer context identification information of the first terminal device.
  • the first mapping relationship is a one-to-one mapping relationship between the at least one segment information and the identifier of the at least one access network device, where the at least one segment information includes the first terminal The number segment information of the access layer context identification information of the device.
  • the first mapping relationship is pre-configured in the at least one access network device, and the at least one access network device includes the second access network device.
  • the first mapping relationship is pre-configured in a network node dedicated to resolving access layer context identification information to obtain an identifier of an access network device.
  • determining the first access network device according to the access layer context identifier information of the first terminal device including: according to the first acquired from the second access network device
  • the access layer context identifier information of the terminal device is used to query the first mapping relationship and obtain the identifier of the first access network device.
  • the access layer context identification information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the acquiring the access layer context identifier information of the first terminal device includes: acquiring, when the first terminal device is in a radio resource control RRC inactive state, and the data needs to be transmitted.
  • the access layer context identification information of the first terminal device includes: acquiring, when the first terminal device is in a radio resource control RRC inactive state, and the data needs to be transmitted.
  • a method for wireless communication includes: acquiring access layer context identification information of the first terminal device, where the access layer context identifier information is used to identify the first terminal device An access layer context information of an access network device with respect to the first terminal device; the second access network device that provides the network service for the first terminal device sends the access layer context identification information, so as to facilitate the second access network The device acquires the access layer context information from the first access network device corresponding to the access layer context identifier information.
  • the number or bit stream of the access layer context identification information of the first terminal device used to identify the information of the first access network device and the identifier of the first access network device is different.
  • the access layer context identifier information is mapped to the identifier of the first access network device.
  • the number segment information of the access layer context identifier has a mapping relationship with the identifier of the first access network device.
  • the access layer context identification information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the second access network device that provides the network service to the first terminal device sends the access layer context identification information, including: the RRC is inactive when the first terminal device is in the radio resource control. In the case that data needs to be transmitted, the access layer context identification information is sent to the second access network device.
  • the sending, by the second access network device that provides the network service to the first terminal device, the access layer context identification information includes: sending an RRC recovery request message to the second access network device
  • the RRC recovery request message carries the access layer context identification information.
  • an apparatus for wireless communication for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • an apparatus for wireless communication for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • an apparatus comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • an apparatus comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a computer storage medium for storing the method in any of the above possible implementations of the first aspect or the first aspect, or any possible implementation of the second or second aspect
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect, or the second The method of any of the alternative implementations of the second aspect, or the method of any of the foregoing third or third alternative aspects.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 shows a schematic block diagram of a method for wireless communication in an embodiment of the present application.
  • FIG. 3 shows another schematic block diagram of a method for wireless communication in an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of an apparatus for wireless communication in an embodiment of the present application.
  • FIG. 5 shows another schematic block diagram of an apparatus for wireless communication in an embodiment of the present application.
  • FIG. 6 shows still another schematic block diagram of an apparatus for wireless communication in an embodiment of the present application.
  • FIG. 7 shows still another schematic block diagram of an apparatus for wireless communication in an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature, LDS) system, etc., of course SCMA
  • SCMA sparse code multiple access
  • LDS low-density signature
  • the system and the LDS system may also be referred to as other names in the field of communication.
  • the technical solution of the embodiments of the present application may be applied to a multi-carrier transmission system using non-orthogonal multiple access technology, for example, using non-orthogonal multiple access.
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • Generalized Frequency Division Multiplexing GFDM
  • Filter Orthogonal Frequency division multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device may be a device for communicating with the terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in the WCDMA system.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • the LTE system may be an evolved base station (Evolutional NodeB, eNB or eNodeB), or may be a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station.
  • the embodiment of the present application is not limited, and the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system in FIG. 1 may include a terminal device 10 and a network device 20.
  • the network device 20 is configured to provide communication services for the terminal device 10 and access the core network.
  • the terminal device 10 accesses the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 20, thereby performing communication with the network.
  • the arrows shown in FIG. 1 may represent uplink/downlink transmissions by a cellular link between the terminal device 10 and the network device 20.
  • FIG. 2 shows a schematic block diagram of a method 100 for wireless communication in accordance with an embodiment of the present application.
  • the method may be performed by a network device, such as an access network device, and the method 100 includes some or all of the following:
  • S120 Determine, according to the access layer context identifier information of the first terminal device, the first access network device, so that the second access network device that provides the network service for the first terminal device from the first access network device The device obtains access layer context information of the first terminal device.
  • the current access network device may obtain the access layer context identification information of the terminal device from the terminal device or the core network device, and the context identification information of the access layer may also be used to indicate the front An access network device, the current access network device may parse the access layer context identification information of the terminal device, and further the current access network device may determine the access layer context according to the access layer context identification information.
  • the access network device stored by the information, so that the current access network device can obtain the access layer context information from the access network device storing the access layer context information.
  • the current access network device after the current access network device receives the access layer context identifier information sent by the terminal device or the core network device, the current access network device cannot parse the access layer context information of the terminal device.
  • the identifier of the network access device the current access network device may forward the access layer context identification information to a network node that specifically resolves the identifier of the access network device, and after the network node resolves, the network node may be parsed.
  • the identifier of the access network device is sent to the current access network device, and the current access network device can obtain the access layer context information from the parsed access network device.
  • the method for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the acquiring the access layer context identifier information of the first terminal device includes: when the first terminal device is in a Radio Resource Control (RRC) inactive state, and If the data needs to be transmitted, the access layer context identification information of the first terminal device is obtained.
  • RRC Radio Resource Control
  • a new RRC state that is, an RRC inactive state
  • the UE-oriented connection between the Radio Access Network (RAN) and the Core Network (CN) is kept unreleased.
  • the RAN initiates a paging message to evoke the UE to perform RRC connection recovery, and performs data reception.
  • the UE has uplink data
  • the UE autonomously performs an RRC connection recovery procedure and performs data transmission.
  • both the UE and the RAN side maintain the current UE Access Layer (AS) context (Context).
  • AS UE Access Layer
  • the network side assigns an identifier (identity, ID) to the UE. That is, the UE AS Context ID, which may also be a UE Resume identifier.
  • ID an identifier
  • the access layer context identification information of the terminal device that is, the UE AS Context ID, may be acquired.
  • the digital or bit stream used to identify the information of the first access network device in the access layer context identifier information of the first terminal device, and the first access is different.
  • the UE AS Context ID of the embodiment of the present application is different from the UE AS Context ID in the prior art, because the UE AS Context ID in the prior art is transmitted in the RRC recovery request message as a white text transmission, and the UE AS Context ID
  • the base station ID information is included.
  • the existing UEAS Context ID includes 40 bits of information, where the first 20 bits are the identifiers of the access network devices. Therefore, this information exposure will reveal the internal structure of the network, and also affect the user privacy rights, because it indicates the context storage node of the UE and so on.
  • the method for wireless communication in the embodiment of the present application by changing the format of the UE AS Context ID of the terminal device, so that the UE AS Context ID does not directly include the identifier of the access network device, and the terminal device passes the implicit indication, the network device
  • the identifier of the access network device may be obtained, and the access layer context information of the terminal device may be obtained from the access layer device that stores the access layer context information of the terminal device. It can achieve the purpose of protecting the network and the user's security and privacy on the air interface.
  • the first access network device is determined according to the access layer context identifier information of the first terminal device, including: according to the access layer context identifier information of the first terminal device And determining, by the first mapping relationship, the first access network device, where the first mapping relationship is a mapping relationship between the access layer context identifier information of the at least one terminal device and the identifier of the at least one access network device, where the at least one The terminal device includes the first terminal device.
  • the UE AS Context ID may be different from the UEAS Context ID in the prior art.
  • the UE AS Context ID may be a random bit stream or a number, and does not directly include an access network device that stores the UE AS Context. logo.
  • the mapping between the UE AS Context ID and the access network device that stores the UE AS Context may be stored in the device that obtains the UE AS Context ID.
  • the mapping relationship may be stored in the foregoing. Two access network devices. Or the mapping relationship can also be stored in a dedicated layer for parsing the access layer.
  • the identifier information is used to obtain the identifier of the access network device in the network node.
  • the mapping relationship may be a mapping table, where the mapping table may include a mapping relationship between a UE AS Context ID of multiple terminal devices and identifiers of multiple access network devices, where the multiple terminal devices may The first terminal device is included.
  • the mapping table may be a one-to-one mapping relationship between the UE AS Context ID of the terminal device and the identifier of the access network device. It may also be a one-to-many.
  • the UE AS Context ID of multiple terminal devices may correspond to the identity of one access network device.
  • the mapping relationship may also be a correspondence between the UEAS Context ID and other information of the access network device, for example, the UEAS Context ID and the location information of the access network device.
  • the mapping between the UE AS Context ID and the information that can uniquely identify an access network device can be within the protection scope of the embodiments of the present application.
  • the mapping relationship may also be a mapping relationship between the segment information of the access layer context identifier of the multiple terminal devices and the multiple access network devices.
  • the UE AS Context ID assigned by the same access network device may belong to the same segment.
  • an access network device may preconfigure a number segment and the operation through Operation Management and Maintenance (OAM).
  • OAM Operation Management and Maintenance
  • the information After obtaining the access layer context identifier of the terminal device, the information may be obtained first.
  • the number of the access layer context identification information belongs to, and the identifier of the corresponding access layer device is obtained according to the mapping relationship between the segment information and the identifier of the access layer device.
  • the access layer context identifier information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the first access network device may instruct the terminal device to enter the RRC inactive state, then the first access layer
  • the device can also assign an identifier to the access layer context information of the terminal device, that is, the UE AS Context ID in the embodiment of the present application.
  • Embodiments of the present application will be described below in connection with different devices having access layer context identifiers that resolve terminal devices to obtain identification functions of access layer devices.
  • the device having the foregoing parsing function may be the foregoing second access network device.
  • the first terminal device may send the access layer context identification information of the first terminal device to the second access network device, where the second access network device may be configured according to the access layer of the first terminal device.
  • the context identification information and the various mapping relationships described above determine the identity of the first access network device, such as the first access network device.
  • the second access network device may further send a request for acquiring the access layer context information of the first terminal device to the first access network device, where the first access network device may send the first access network device to the second access network device according to the request.
  • the access layer context information of the terminal device after receiving the access layer context information of the first terminal device, the second access network device can perform wireless communication with the first terminal device.
  • the device having the above parsing function may be a network node dedicated to resolving the access layer context identifier.
  • the first terminal device may send the access layer context identifier information of the first terminal device to the second access network device, where the second access network device may use the access layer context identifier information of the first terminal device Forwarding to the network node, the network node may determine, according to the access layer context identification information of the first terminal device and the foregoing various mapping relationships, the identifier of the first access network device, for example, the first access network device.
  • the network node may send the determined identifier of the first access network device to the second access network device, where the second access network device may further send the access layer of the first terminal device to the first access network device.
  • the first access network device may send the access layer context information of the first terminal device to the second access network device according to the request, where the second access network device receives the first terminal device After accessing the layer context information, wireless communication with the first terminal device is possible.
  • FIG. 3 shows a schematic block diagram of a method 200 for wireless communication in accordance with an embodiment of the present application. As shown in FIG. 3, the method can be performed by a terminal device, and the method 200 includes some or all of the following contents:
  • the access layer context identifier information is sent to the second access network device that provides the network service for the first terminal device, so that the second access network device obtains the first information corresponding to the access layer context identifier information.
  • the access layer context information of the first terminal device is obtained by the access network device.
  • the method for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the digital or bit stream used to identify the information of the first access network device in the access layer context identifier information of the first terminal device and the first access network device is different.
  • the UE AS Context ID does not directly include the identifier of the access network device, and the terminal device obtains the identifier of the access network device by using the implicit indication, and thus the storage device may
  • the access layer context information of the terminal device is obtained at the access layer device of the access layer context information of the terminal device. It can achieve the purpose of protecting the network and the user's security and privacy on the air interface.
  • the access layer context identifier information has a mapping relationship with the identifier of the first access network device.
  • the number segment information of the access layer context identifier has a mapping relationship with the identifier of the first access network device.
  • the access layer context identifier information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the second access network device that provides the network service to the first terminal device sends the access layer context identifier information, where the first terminal device is in the radio resource control RRC. In the inactive state, and the data needs to be transmitted, the access layer context identification information is sent to the second access network device.
  • the sending, by the second access network device that provides the network service to the first terminal device, the access layer context identifier information includes: sending an RRC recovery to the second access network device.
  • the request message, the RRC recovery request message carries the access layer context identification information.
  • FIG. 4 shows a schematic block diagram of an apparatus 300 for wireless communication in accordance with an embodiment of the present application.
  • the device 300 includes:
  • the acquiring unit 310 is configured to acquire the access layer context identifier information of the first terminal device, where the access layer context identifier information of the first terminal device is used to identify that the first terminal device is in the first access network device. Access layer context information of a terminal device;
  • the determining unit 320 is configured to determine, according to the access layer context identifier information of the first terminal device, the first access network device, so as to provide a second access network device for providing network service for the first terminal device. Obtaining access layer context information of the first terminal device from the first access network device.
  • the device for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the digital or bit stream used to identify the information of the first access network device in the access layer context identifier information of the first terminal device, and the first access is different.
  • the UE AS Context ID does not directly include the identifier of the access network device, and the terminal device obtains the identifier of the access network device by using the implicit indication, and thus the storage device may
  • the access layer context information of the terminal device is obtained at the access layer device of the access layer context information of the terminal device. It can achieve the purpose of protecting the network and the user's security and privacy on the air interface.
  • the determining unit is specifically configured to: determine, according to the access layer context identifier information of the first terminal device, and the first mapping relationship, the first access network device, where The first mapping relationship is a mapping relationship between the access layer context identification information of the at least one terminal device and the identifier of the at least one access network device, where the at least one terminal device includes the first terminal device.
  • the first mapping relationship is a one-to-one mapping relationship between the access layer context identifier information of the at least one terminal device and the at least one access network device identifier.
  • the first mapping relationship is a one-to-one mapping relationship between the at least one segment information and the identifier of the at least one access network device, where the at least one segment information is The segment information including the access layer context identification information of the first terminal device.
  • the device is the second access network device, and the first mapping relationship is pre-configured in the at least one access network device, where the at least one access network is configured.
  • the device includes the second access network device.
  • the device is a network node dedicated to resolving access layer context identification information to obtain an identifier of the access network device, where the first mapping relationship is pre-configured in the network node.
  • the determining unit is specifically configured to: query, according to the access layer context identifier information of the first terminal device that is obtained from the second access network device, Mapping the relationship and obtaining the identifier of the first access network device.
  • the access layer context identifier information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the acquiring unit is specifically configured to: in the first terminal If the device is in the RRC inactive state and the data needs to be transmitted, the access layer context identification information of the first terminal device is obtained.
  • FIG. 5 shows a schematic block diagram of an apparatus 400 for wireless communication in accordance with an embodiment of the present application.
  • the device is a first terminal device, and the device 400 includes:
  • the obtaining unit 410 is configured to acquire the access layer context identifier information of the first terminal device, where the access layer context identifier information is used to identify that the first terminal device is in the first access network device about the first terminal device Access layer context information;
  • the sending unit 420 is configured to send the access layer context identification information to a second access network device that provides a network service for the first terminal device, so that the second access network device is in a context from the access layer
  • the access layer context information is obtained by the first access network device corresponding to the identifier information.
  • the device for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the digital or bit stream used to identify the information of the first access network device in the access layer context identifier information of the first terminal device, and the first access is different.
  • the UE AS Context ID does not directly include the identifier of the access network device, and the terminal device obtains the identifier of the access network device by using the implicit indication, and thus the storage device may
  • the access layer context information of the terminal device is obtained at the access layer device of the access layer context information of the terminal device. It can achieve the purpose of protecting the network and the user's security and privacy on the air interface.
  • the access layer context identifier information has a mapping relationship with the identifier of the first access network device.
  • the number segment information of the access layer context identifier has a mapping relationship with the identifier of the first access network device.
  • the access layer context identifier information of the first terminal device is pre-allocated by the first access network device for the first terminal device.
  • the sending unit is specifically configured to: when the first terminal device is in a radio resource control RRC inactive state and data needs to be transmitted,
  • the second access network device sends the access layer context identification information.
  • the sending unit is specifically configured to: send an RRC recovery request message to the second access network device, where the RRC recovery request message carries the access layer context identifier information .
  • apparatus 400 may correspond to an execution subject in the embodiment of the method 200 of the present application, and the above-described and other operations and/or functions of the respective units in the apparatus 400 are respectively implemented in order to implement the subject in the method of FIG. The corresponding process, for the sake of brevity, will not be described here.
  • the embodiment of the present application further provides a device 500 for wireless communication, which may be the device 300 in FIG. 4, which can be used to execute the content of the device corresponding to the method 100 of FIG. .
  • the device 500 includes an input interface 510, an output interface 520, a processor 530, and a memory 540.
  • the input interface 510, the output interface 520, the processor 530, and the memory 540 can be connected by a bus system.
  • the memory 540 is for storing programs, instructions or code.
  • the processor 530 is configured to execute a program, an instruction or a code in the memory 540 to control the input interface 510 to receive a signal, control the output interface 520 to send a signal, and complete the operations in the foregoing method embodiments.
  • the device for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the processor 530 may be a central processing unit (CPU), and the processor 530 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 540 can include read only memory and random access memory and provides instructions and data to the processor 530. A portion of the memory 540 may also include a non-volatile random access memory. For example, the memory 540 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 530 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 540, and the processor 530 reads the information in the memory 540 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the obtaining unit and the determining unit of the device 300 can be implemented by the processor 530 in FIG.
  • the embodiment of the present application further provides an apparatus 600 for wireless communication, which may be the apparatus 400 in FIG. 5, which can be used to execute a first terminal corresponding to the method 200 of FIG.
  • the content of the device includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected by a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the device for wireless communication in the embodiment of the present application is advantageous in reducing network overhead.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the transmitting unit of the device 400 can be the output interface in FIG. 620 implementation, the acquisition unit of device 400 can be implemented by processor 630 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

Abstract

本申请实施例公开了一种用于无线通信的方法和设备,该方法包括:获取第一终端设备的接入层上下文标识信息,该第一终端设备的接入层上下文标识信息用于标识该第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,以便于为该第一终端设备提供网络服务的第二接入网设备从该第一接入网设备处获取该第一终端设备的接入层上下文信息。本申请实施例的方法和设备,有利于降低网络开销。

Description

用于无线通信的方法和设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及一种用于无线通信的方法和设备。
背景技术
在第五代(5G)通信系统中,当终端在一段时间内没有业务时,为了节省空口的资源,也为了节省终端的电量,终端可以转为空闲态或非激活态。当终端设备从一个小区移动到另外一个小区时,终端的接入层上下文信息需要当前小区的接入网设备重新配置,从而造成网络开销较大。
发明内容
有鉴于此,本申请实施例提供了一种用于无线通信的方法和设备,有利于降低网络开销。
第一方面,提供了一种用于无线通信的方法,该方法包括:获取第一终端设备的接入层上下文标识信息,该第一终端设备的接入层上下文标识信息用于标识该第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,以便于为该第一终端设备提供网络服务的第二接入网设备从该第一接入网设备处获取该第一终端设备的接入层上下文信息。
在一种可能的实现方式中,该第一终端设备的接入层上下文标识信息中用于标识该第一接入网设备的信息的数字或比特流与该第一接入网设备的标识的数字或比特流不同。
通过改变终端设备的UE AS Context ID格式,使得该UE AS Context ID不直接包含接入网设备的标识,终端设备通过隐性指示,网络设备可以获取接入网设备的标识,进而可以从存储有终端设备的接入层上下文信息的接入层设备处获取到该终端设备的接入层上下文信息。能够达到空口上保护网络及用户的安全隐私的目的。
在一种可能的实现方式中,该根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,包括:根据该第一终端设备的接入层上下文 标识信息和第一映射关系,确定该第一接入网设备,该第一映射关系为至少一个终端设备的接入层上下文标识信息与至少一个接入网设备的标识之间的映射关系,该至少一个终端设备包括该第一终端设备。
在一种可能的实现方式中,该第一映射关系为至少一个接入层上下文标识信息与该至少一个接入网设备的标识之间一对一的映射关系,该至少一个接入层上下文标识信息包括该第一终端设备的接入层上下文标识信息。
在一种可能的实现方式中,该第一映射关系为至少一个号段信息与该至少一个接入网设备的标识之间一对一的映射关系,该至少一个号段信息包括该第一终端设备的接入层上下文标识信息的号段信息。
在一种可能的实现方式中,该第一映射关系预先配置在该至少一个接入网设备中,该至少一个接入网设备包括该第二接入网设备。
在一种可能的实现方式中,该第一映射关系预先配置在一个专用于解析接入层上下文标识信息以获取接入网设备的标识的网络节点中。
在一种可能的实现方式中,该根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,包括:根据从该第二接入网设备获取到的该第一终端设备的接入层上下文标识信息,查询该第一映射关系并获取该第一接入网设备的标识。
在一种可能的实现方式中,该第一终端设备的接入层上下文标识信息是由该第一接入网设备为该第一终端设备预分配的。
在一种可能的实现方式中,该获取第一终端设备的接入层上下文标识信息,包括:在该第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,获取该第一终端设备的接入层上下文标识信息。
第二方面,提供了一种用于无线通信的方法,该方法包括:获取该第一终端设备的接入层上下文标识信息,该接入层上下文标识信息用于标识该第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,以便于该第二接入网设备从与该接入层上下文标识信息对应的该第一接入网设备处获取该接入层上下文信息。
在一种可能的实现方式中,该第一终端设备的接入层上下文标识信息中用于标识该第一接入网设备的信息的数字或比特流与该第一接入网设备的标识的数字或比特流不同。
在一种可能的实现方式中,该接入层上下文标识信息与该第一接入网设备的标识有映射关系。
在一种可能的实现方式中,该接入层上下文标识的号段信息与该第一接入网设备的标识具有映射关系。
在一种可能的实现方式中,该第一终端设备的接入层上下文标识信息是由该第一接入网设备为该第一终端设备预分配的。
在一种可能的实现方式中,该向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,包括:在该第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,向该第二接入网设备发送该接入层上下文标识信息。
在一种可能的实现方式中,该向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,包括:向该第二接入网设备发送RRC恢复请求消息,该RRC恢复请求消息中携带该接入层上下文标识信息。
第三方面,提供了一种用于无线通信的设备,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面,提供了一种用于无线通信的设备,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面,提供了一种设备,该设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面,提供了一种设备,该设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面,提供了一种计算机存储介质,用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法,或者上述第二方面或第二方面的任意可能的实现方式中的方法,或者上述第三方面或第三方面的任意可能的实现方式中的方法所用的计算机软件指令,其包含用于执行上述各方面所 设计的程序。
第八方面,提供了一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法,或者上述第二方面或第二方面的任一可选的实现方式中的方法,或者上述第三方面或第三方面的任一可选的实现方式中的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了本申请实施例的用于无线通信的方法的示意性框图。
图3示出了本申请实施例的用于无线通信的方法的另一示意性框图。
图4示出了本申请实施例的用于无线通信的设备的示意性框图。
图5示出了本申请实施例的用于无线通信的设备的另一示意性框图。
图6示出了本申请实施例的用于无线通信的设备的再一示意性框图。
图7示出了本申请实施例的用于无线通信的设备的再一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、LTE系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、新无线(New Radio,NR)或未来的5G系统等。
特别地,本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统,例如稀疏码多址接入(Sparse Code Multiple Access,SCMA)系统、低密度签名(Low Density Signature,LDS)系统等,当然SCMA系 统和LDS系统在通信领域也可以被称为其他名称;进一步地,本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统,例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)、滤波器组多载波(Filter Bank Multi-Carrier,FBMC)、通用频分复用(Generalized Frequency Division Multiplexing,GFDM)、滤波正交频分复用(Filtered-OFDM,F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network,PLMN)中的终端设备等,本申请实施例并不限定。
本申请实施例中网络设备可以是用于与终端设备通信的设备,该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional NodeB,eNB或eNodeB),还可以是云无线接入网络(Cloud Radio Access Network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等,本申请实施例并不限定。
图1是本申请实施例一个应用场景的示意图。图1中的通信系统可以包括终端设备10和网络设备20。网络设备20用于为终端设备10提供通信服务并接入核心网,终端设备10通过搜索网络设备20发送的同步信号、广播信号等而接入网络,从而进行与网络的通信。图1中所示出的箭头可以表示通过终端设备10与网络设备20之间的蜂窝链路进行的上/下行传输。
图2示出了本申请实施例的用于无线通信的方法100的示意性框图。如图2所示,该方法可以由网络设备执行,例如接入网设备执行,该方法100包括以下部分或全部内容:
S110,获取第一终端设备的接入层上下文标识信息,该第一终端设备的接入层上下文标识信息用于标识该第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息。
S120,根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,以便于为该第一终端设备提供网络服务的第二接入网设备从该第一接入网设备处获取该第一终端设备的接入层上下文信息。
具体地,当终端设备从一个接入网设备所覆盖的小区移动到另一个接入网设备所覆盖的小区并且该终端设备的接入层上下文信息存储在前一个接入网设备中,若此时终端设备发起业务时,当前的接入网设备可以从终端设备处或者核心网设备处获取该终端设备的接入层上下文标识信息,同时该接入层的上下文标识信息也可以用来指示前一个接入网设备,那么该当前的接入网设备可以解析该终端设备的接入层上下文标识信息,进一步地当前的接入网设备可以根据该接入层上下文标识信息确定该接入层上下文信息所存储的接入网设备,从而当前的接入网设备就可以从存储有该接入层上下文信息的接入网设备处获取该接入层上下文信息。可选地,在当前的接入网设备接收到终端设备或核心网设备发送的接入层上下文标识信息后,当前的接入网设备解析不出来存储有终端设备的接入层上下文信息的接入网设备的标识,那么当前的接入网设备可以将该接入层上下文标识信息转发给一个专门解析接入网设备的标识的网络节点,在该网络节点解析出来之后,可以将解析出来的接入网设备的标识发送给当前的接入网设备,进而当前的接入网设备就可以从解析出来的接入网设备处获取该接入层上下文信息。
因此,本申请实施例的用于无线通信的方法,有利于降低网络开销。
可选地,在本申请实施例中,该获取第一终端设备的接入层上下文标识信息,包括:在该第一终端设备处于无线资源控制(Radio Resource Control,RRC)非激活态下且有数据需要传输的情况下,获取该第一终端设备的接入层上下文标识信息。
在5G中,为了降低空口信令和快速恢复无线连接,快速恢复数据业务的目的,定义了一个新的RRC状态,即RRC非激活状态。当UE处于RRC非激活态,无线接入网(Radio Access Network,RAN)和核心网(Core Network,CN)之间面向UE的连接是保持的不释放的。当有下行数据到达,RAN发起寻呼消息唤起UE进行RRC连接恢复,进行数据接收,当UE有上行数据发 送时,UE自主进行RRC连接恢复过程,进行数据发送。当UE处于RRC非激活态,UE和RAN侧都保存UE的当前UE接入层(Access Stratum,AS)上下文(Context),为了标识这个上下文,网络侧会给UE分配一个标识(identity,ID),即UE AS Context ID,也可以是UE恢复(Resume)标识。在处于RRC非激活态的终端设备发起业务的情况下,可以获取该终端设备的接入层上下文标识信息,也就是上述的UE AS Context ID。
可选地,在本申请实施例中,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
具体地,本申请实施例的UE AS Context ID与现有技术中的UE AS Context ID不同,由于现有技术中的UE AS Context ID在RRC恢复请求消息中传输是白文传输,而UE AS Context ID又包含了基站ID信息,例如,现有的UEAS Context ID包括40bit的信息,其中前20bit就是接入网设备的标识。所以这个信息暴露会揭示网络的内部结构,同时也影响用户隐私权利,因为它指示了UE的上下文存储节点等。因此,本申请实施例的用于无线通信的方法,通过改变终端设备的UE AS Context ID格式,使得该UE AS Context ID不直接包含接入网设备的标识,终端设备通过隐性指示,网络设备可以获取接入网设备的标识,进而可以从存储有终端设备的接入层上下文信息的接入层设备处获取到该终端设备的接入层上下文信息。能够达到空口上保护网络及用户的安全隐私的目的。
可选地,在本申请实施例中,该根据该第一终端设备的接入层上下文标识信息,确定该第一接入网设备,包括:根据该第一终端设备的接入层上下文标识信息和第一映射关系,确定该第一接入网设备,该第一映射关系为至少一个终端设备的接入层上下文标识信息与至少一个接入网设备的标识之间的映射关系,该至少一个终端设备包括该第一终端设备。
应理解,该UE AS Context ID与现有技术中的UEAS Context ID可以不相同,例如该UE AS Context ID可以是一个随机位流或者数字,不直接包含存储有该UE AS Context的接入网设备的标识。而该UE AS Context ID与存储有该UE AS Context的接入网设备之间有映射关系,该映射关系可以存储在获取该UE AS Context ID的设备中,例如,该映射关系可以存储在上述第二接入网设备中。或者该映射关系也可以存储在一个专用于解析接入层上下 文标识信息以获取接入网设备的标识的网络节点中。
可选地,该映射关系可以是一张映射表,该映射表中可以包括多个终端设备的UE AS Context ID与多个接入网设备的标识之间的映射关系,该多个终端设备可以包括该第一终端设备。
可选地,该映射表可以是终端设备的UE AS Context ID与接入网设备的标识之间是一一对应的映射关系。也可以是一对多,例如,多个终端设备的UE AS Context ID可以与一个接入网设备的标识对应。
可选地,该映射关系也可以是UEAS Context ID与接入网设备的其他信息的对应,例如,可以是UEAS Context ID与接入网设备的位置信息。总之,只要是UE AS Context ID与能够唯一确定出来一个接入网设备的信息之间的映射关系都可以在本申请实施例的保护范围之内。
可选地,该映射关系也可以是多个终端设备的接入层上下文标识的号段信息与多个接入网设备之间的映射关系。应理解,可以约定同一接入网设备分配的UE AS Context ID属于同一号段,例如,某个接入网设备可以通过操作管理和维护(Operation Administration and Maintenance,OAM)预配置一个号段与该接入网设备的标识之间的映射关系,并且可以获取到其他接入网设备的标识与号段之间的映射关系,那么当获取到终端设备的接入层上下文标识之后,可以先获取到该接入层上下文标识信息属于哪个号段,进而就可以根据号段信息与接入层设备的标识之间的映射关系,查询获取到相应的接入层设备的标识。
可选地,在本申请实施例中,该第一终端设备的接入层上下文标识信息是由该第一接入网设备为该第一终端设备预分配的。
本领域技术人员理解,终端设备在第一接入网设备处建立起终端设备的接入层上下文信息之后,第一接入网设备可以指示终端设备进入RRC非激活态,那么第一接入层设备同时可以为该终端设备的接入层上下文信息分配一个标识信息,也就是本申请实施例中的UE AS Context ID。
下面将结合具有解析终端设备的接入层上下文标识以获得接入层设备的标识功能的不同设备的角度来描述本申请实施例。
可选地,具有上述解析功能的设备可以是上述第二接入网设备。
具体地,第一终端设备可以将该第一终端设备的接入层上下文标识信息发送给第二接入网设备,第二接入网设备可以根据该第一终端设备的接入层 上下文标识信息以及上述各种映射关系,确定出来第一接入网设备,例如第一接入网设备的标识。第二接入网设备进而可以向第一接入网设备发送获取第一终端设备的接入层上下文信息的请求,第一接入网设备根据该请求可以向第二接入网设备发送该第一终端设备的接入层上下文信息,第二接入网设备在接收到该第一终端设备的接入层上下文信息之后,就可以与第一终端设备进行无线通信了。
可选地,具有上述解析功能的设备可以是专门负责解析接入层上下文标识的一个网络节点上。
具体地,第一终端设备可以将该第一终端设备的接入层上下文标识信息发送给第二接入网设备,第二接入网设备可以将该第一终端设备的接入层上下文标识信息转发给该网络节点,该网络节点可以根据该第一终端设备的接入层上下文标识信息以及上述各种映射关系,确定出来第一接入网设备,例如第一接入网设备的标识。该网络节点可以将确定出来的第一接入网设备的标识发送给第二接入网设备,第二接入网设备进而可以向第一接入网设备发送获取第一终端设备的接入层上下文信息的请求,第一接入网设备根据该请求可以向第二接入网设备发送该第一终端设备的接入层上下文信息,第二接入网设备在接收到该第一终端设备的接入层上下文信息之后,就可以与第一终端设备进行无线通信了。
图3示出了本申请实施例的用于无线通信的方法200的示意性框图。如图3所示,该方法可以由终端设备执行,该方法200包括以下部分或全部内容:
S210,获取该第一终端设备的接入层上下文标识信息,该接入层上下文标识信息用于标识该第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息。
S220,向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,以便于该第二接入网设备从与该接入层上下文标识信息对应的该第一接入网设备处获取该第一终端设备的接入层上下文信息。
因此,本申请实施例的用于无线通信的方法,有利于降低网络开销。
可选地,在本申请实施例中,该第一终端设备的接入层上下文标识信息中用于标识该第一接入网设备的信息的数字或比特流与该第一接入网设备的标识的数字或比特流不同。
通过改变终端设备的UE AS Context ID格式,使得该UE AS Context ID不直接包含接入网设备的标识,终端设备通过隐性指示,网络设备可以获取接入网设备的标识,进而可以从存储有终端设备的接入层上下文信息的接入层设备处获取到该终端设备的接入层上下文信息。能够达到空口上保护网络及用户的安全隐私的目的。
可选地,在本申请实施例中,该接入层上下文标识信息与该第一接入网设备的标识有映射关系。
可选地,在本申请实施例中,该接入层上下文标识的号段信息与该第一接入网设备的标识具有映射关系。
可选地,在本申请实施例中,该第一终端设备的接入层上下文标识信息是由该第一接入网设备为该第一终端设备预分配的。
可选地,在本申请实施例中,该向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,包括:在该第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,向该第二接入网设备发送该接入层上下文标识信息。
可选地,在本申请实施例中,该向为第一终端设备提供网络服务的第二接入网设备发送该接入层上下文标识信息,包括:向该第二接入网设备发送RRC恢复请求消息,该RRC恢复请求消息中携带该接入层上下文标识信息。
上文中详细描述了根据本申请实施例的用于无线通信的方法,下面将结合图4至图7,描述根据本申请实施例的用于无线通信的装置,方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的用于无线通信的设备300的示意性框图。如图4所示,该设备300包括:
获取单元310,用于获取第一终端设备的接入层上下文标识信息,所述第一终端设备的接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
确定单元320,用于根据所述第一终端设备的接入层上下文标识信息,确定所述第一接入网设备,以便于为所述第一终端设备提供网络服务的第二接入网设备从所述第一接入网设备处获取所述第一终端设备的接入层上下文信息。
因此,本申请实施例的用于无线通信的设备,有利于降低网络开销。
可选地,在本申请实施例中,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
通过改变终端设备的UE AS Context ID格式,使得该UE AS Context ID不直接包含接入网设备的标识,终端设备通过隐性指示,网络设备可以获取接入网设备的标识,进而可以从存储有终端设备的接入层上下文信息的接入层设备处获取到该终端设备的接入层上下文信息。能够达到空口上保护网络及用户的安全隐私的目的。
可选地,在本申请实施例中,所述确定单元具体用于:根据所述第一终端设备的接入层上下文标识信息和第一映射关系,确定所述第一接入网设备,所述第一映射关系为至少一个终端设备的接入层上下文标识信息与至少一个接入网设备的标识之间的映射关系,所述至少一个终端设备包括所述第一终端设备。
可选地,在本申请实施例中,所述第一映射关系为所述至少一个终端设备的接入层上下文标识信息与所述至少一个接入网设备标识之间一对一的映射关系。
可选地,在本申请实施例中,所述第一映射关系为至少一个号段信息与所述至少一个接入网设备的标识之间一对一的映射关系,所述至少一个号段信息包括所述第一终端设备的接入层上下文标识信息的号段信息。
可选地,在本申请实施例中,所述设备为所述第二接入网设备,所述第一映射关系预先配置在所述至少一个接入网设备中,所述至少一个接入网设备包括所述第二接入网设备。
可选地,在本申请实施例中,所述设备为专用于解析接入层上下文标识信息以获取接入网设备的标识的网络节点,所述第一映射关系预先配置在所述网络节点中。
可选地,在本申请实施例中,所述确定单元具体用于:根据从所述第二接入网设备获取到的所述第一终端设备的接入层上下文标识信息,查询所述第一映射关系并获取所述第一接入网设备的标识。
可选地,在本申请实施例中,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
可选地,在本申请实施例中,所述获取单元具体用于:在所述第一终端 设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,获取所述第一终端设备的接入层上下文标识信息。
应理解,根据本申请实施例的设备300可对应于本申请方法100实施例中的执行主体,并且设备300中的各个单元的上述和其它操作和/或功能分别为了实现图2方法中执行主体的相应流程,为了简洁,在此不再赘述。图5示出了本申请实施例的用于无线通信的设备400的示意性框图。如图5所示,该设备为第一终端设备,该设备400包括:
获取单元410,用于获取所述第一终端设备的接入层上下文标识信息,所述接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
发送单元420,用于向为第一终端设备提供网络服务的第二接入网设备发送所述接入层上下文标识信息,以便于所述第二接入网设备从与所述接入层上下文标识信息对应的所述第一接入网设备处获取所述接入层上下文信息。
因此,本申请实施例的用于无线通信的设备,有利于降低网络开销。
可选地,在本申请实施例中,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
通过改变终端设备的UE AS Context ID格式,使得该UE AS Context ID不直接包含接入网设备的标识,终端设备通过隐性指示,网络设备可以获取接入网设备的标识,进而可以从存储有终端设备的接入层上下文信息的接入层设备处获取到该终端设备的接入层上下文信息。能够达到空口上保护网络及用户的安全隐私的目的。
可选地,在本申请实施例中,所述接入层上下文标识信息与所述第一接入网设备的标识有映射关系。
可选地,在本申请实施例中,所述接入层上下文标识的号段信息与所述第一接入网设备的标识具有映射关系。
可选地,在本申请实施例中,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
可选地,在本申请实施例中,所述发送单元具体用于:在所述第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,向所 述第二接入网设备发送所述接入层上下文标识信息。
可选地,在本申请实施例中,所述发送单元具体用于:向所述第二接入网设备发送RRC恢复请求消息,所述RRC恢复请求消息中携带所述接入层上下文标识信息。
应理解,根据本申请实施例的设备400可对应于本申请方法200实施例中的执行主体,并且设备400中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中执行主体的相应流程,为了简洁,在此不再赘述。
如图6所示,本申请实施例还提供了一种用于无线通信的设备500,该设备500可以是图4中的设备300,其能够用于执行与图2方法100对应的设备的内容。该设备500包括:输入接口510、输出接口520、处理器530以及存储器540,该输入接口510、输出接口520、处理器530和存储器540可以通过总线系统相连。该存储器540用于存储包括程序、指令或代码。该处理器530,用于执行该存储器540中的程序、指令或代码,以控制输入接口510接收信号、控制输出接口520发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的用于无线通信的设备,有利于降低网络开销。
应理解,在本申请实施例中,该处理器530可以是中央处理单元(Central Processing Unit,CPU),该处理器530还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器540可以包括只读存储器和随机存取存储器,并向处理器530提供指令和数据。存储器540的一部分还可以包括非易失性随机存取存储器。例如,存储器540还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器530中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。 该存储介质位于存储器540,处理器530读取存储器540中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,设备300的获取单元和确定单元可以由图6中的处理器530实现。
如图7所示,本申请实施例还提供了一种用于无线通信的设备600,该设备600可以是图5中的设备400,其能够用于执行与图3方法200对应的第一终端设备的内容。该设备600包括:输入接口610、输出接口620、处理器630以及存储器640,该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630,用于执行该存储器640中的程序、指令或代码,以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的用于无线通信的设备,有利于降低网络开销。
应理解,在本申请实施例中,该处理器630可以是中央处理单元(Central Processing Unit,CPU),该处理器630还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器,并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如,存储器640还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器630中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640,处理器630读取存储器640中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,设备400的发送单元可以由图7中的输出接口 620实现,设备400的获取单元可以由图7中的处理器630实现。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,该单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以 存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应该以权利要求的保护范围为准。

Claims (34)

  1. 一种用于无线通信的方法,其特征在于,包括:
    获取第一终端设备的接入层上下文标识信息,所述第一终端设备的接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
    根据所述第一终端设备的接入层上下文标识信息,确定所述第一接入网设备,以便于为所述第一终端设备提供网络服务的第二接入网设备从所述第一接入网设备处获取所述第一终端设备的接入层上下文信息。
  2. 根据权利要求1所述的方法,其特征在于,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
  3. 根据权利要求1或2所述的方法,其特征在于,所述根据所述第一终端设备的接入层上下文标识信息,确定所述第一接入网设备,包括:
    根据所述第一终端设备的接入层上下文标识信息和第一映射关系,确定所述第一接入网设备,所述第一映射关系为至少一个终端设备的接入层上下文标识信息与至少一个接入网设备的标识之间的映射关系,所述至少一个终端设备包括所述第一终端设备。
  4. 根据权利要求3所述的方法,其特征在于,所述第一映射关系为至少一个接入层上下文标识信息与所述至少一个接入网设备的标识之间一对一的映射关系,所述至少一个接入层上下文标识信息包括所述第一终端设备的接入层上下文标识信息。
  5. 根据权利要求3所述的方法,其特征在于,所述第一映射关系为至少一个号段信息与所述至少一个接入网设备的标识之间一对一的映射关系,所述至少一个号段信息包括所述第一终端设备的接入层上下文标识信息的号段信息。
  6. 根据利要求3至5中任一项所述的方法,其特征在于,所述第一映射关系预先配置在所述至少一个接入网设备中,所述至少一个接入网设备包括所述第二接入网设备。
  7. 根据利要求3至5中任一项所述的方法,其特征在于,所述第一映射关系预先配置在一个专用于解析接入层上下文标识信息以获取接入网设备的标识的网络节点中。
  8. 根据权利要求7所述的方法,其特征在于,所述根据所述第一终端设备的接入层上下文标识信息,确定所述第一接入网设备,包括:
    根据从所述第二接入网设备获取到的所述第一终端设备的接入层上下文标识信息,查询所述第一映射关系并获取所述第一接入网设备的标识。
  9. 根据权利要求1至8中任一项所述的方法,其特征在于,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
  10. 根据权利要求1至9中任一项所述的方法,其特征在于,所述获取第一终端设备的接入层上下文标识信息,包括:
    在所述第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,获取所述第一终端设备的接入层上下文标识信息。
  11. 一种用于无线通信的方法,其特征在于,包括:
    获取所述第一终端设备的接入层上下文标识信息,所述接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
    向为第一终端设备提供网络服务的第二接入网设备发送所述接入层上下文标识信息,以便于所述第二接入网设备从与所述接入层上下文标识信息对应的所述第一接入网设备处获取所述接入层上下文信息。
  12. 根据权利要求11所述的方法,其特征在于,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
  13. 根据权利要求11或12所述的方法,其特征在于,所述接入层上下文标识信息与所述第一接入网设备的标识有映射关系。
  14. 根据权利要求11或12所述的方法,其特征在于,所述接入层上下文标识的号段信息与所述第一接入网设备的标识具有映射关系。
  15. 根据权利要求11至14中任一项所述的方法,其特征在于,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
  16. 根据权利要求11至15中任一项所述的方法,其特征在于,所述向为第一终端设备提供网络服务的第二接入网设备发送所述接入层上下文标识信息,包括:
    在所述第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,向所述第二接入网设备发送所述接入层上下文标识信息。
  17. 根据权利要求11至16中任一项所述的方法,其特征在于,所述向为第一终端设备提供网络服务的第二接入网设备发送所述接入层上下文标识信息,包括:
    向所述第二接入网设备发送RRC恢复请求消息,所述RRC恢复请求消息中携带所述接入层上下文标识信息。
  18. 一种用于无线通信的设备,其特征在于,所述设备包括:
    获取单元,用于获取第一终端设备的接入层上下文标识信息,所述第一终端设备的接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
    确定单元,用于根据所述第一终端设备的接入层上下文标识信息,确定所述第一接入网设备,以便于为所述第一终端设备提供网络服务的第二接入网设备从所述第一接入网设备处获取所述第一终端设备的接入层上下文信息。
  19. 根据权利要求18所述的设备,其特征在于,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
  20. 根据权利要求18或19所述的设备,其特征在于,所述确定单元具体用于:
    根据所述第一终端设备的接入层上下文标识信息和第一映射关系,确定所述第一接入网设备,所述第一映射关系为至少一个终端设备的接入层上下文标识信息与至少一个接入网设备的标识之间的映射关系,所述至少一个终端设备包括所述第一终端设备。
  21. 根据权利要求20所述的设备,其特征在于,所述第一映射关系为至少一个接入层上下文标识信息与所述至少一个接入网设备的标识之间一对一的映射关系,所述至少一个接入层上下文标识信息包括所述第一终端设备的接入层上下文标识信息。
  22. 根据权利要求20所述的设备,其特征在于,所述第一映射关系为至少一个号段信息与所述至少一个接入网设备的标识之间一对一的映射关系,所述至少一个号段信息包括所述第一终端设备的接入层上下文标识信息 的号段信息。
  23. 根据权利要求20至22中任一项所述的设备,其特征在于,所述设备为所述第二接入网设备,所述第一映射关系预先配置在所述至少一个接入网设备中,所述至少一个接入网设备包括所述第二接入网设备。
  24. 根据权利要求20至22中任一项所述的设备,其特征在于,所述设备为专用于解析接入层上下文标识信息以获取接入网设备的标识的网络节点,所述第一映射关系预先配置在所述网络节点中。
  25. 根据权利要求24所述的设备,其特征在于,所述确定单元具体用于:
    根据从所述第二接入网设备获取到的所述第一终端设备的接入层上下文标识信息,查询所述第一映射关系并获取所述第一接入网设备的标识。
  26. 根据权利要求18至25中任一项所述的设备,其特征在于,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
  27. 根据权利要求18至26中任一项所述的设备,其特征在于,所述获取单元具体用于:
    在所述第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,获取所述第一终端设备的接入层上下文标识信息。
  28. 一种用于无线通信的设备,其特征在于,所述设备为第一终端设备,所述设备包括:
    获取单元,用于获取所述第一终端设备的接入层上下文标识信息,所述接入层上下文标识信息用于标识所述第一终端设备在第一接入网设备关于第一终端设备的接入层上下文信息;
    发送单元,用于向为第一终端设备提供网络服务的第二接入网设备发送所述接入层上下文标识信息,以便于所述第二接入网设备从与所述接入层上下文标识信息对应的所述第一接入网设备处获取所述接入层上下文信息。
  29. 根据权利要求28所述的设备,其特征在于,所述第一终端设备的接入层上下文标识信息中用于标识所述第一接入网设备的信息的数字或比特流与所述第一接入网设备的标识的数字或比特流不同。
  30. 根据权利要求28或29所述的设备,其特征在于,所述接入层上下文标识信息与所述第一接入网设备的标识有映射关系。
  31. 根据权利要求28或29所述的设备,其特征在于,所述接入层上下文标识的号段信息与所述第一接入网设备的标识具有映射关系。
  32. 根据权利要求28至31中任一项所述的设备,其特征在于,所述第一终端设备的接入层上下文标识信息是由所述第一接入网设备为所述第一终端设备预分配的。
  33. 根据权利要求28至32中任一项所述的设备,其特征在于,所述发送单元具体用于:
    在所述第一终端设备处于无线资源控制RRC非激活态下且有数据需要传输的情况下,向所述第二接入网设备发送所述接入层上下文标识信息。
  34. 根据权利要求28至33中任一项所述的设备,其特征在于,所述发送单元具体用于:
    向所述第二接入网设备发送RRC恢复请求消息,所述RRC恢复请求消息中携带所述接入层上下文标识信息。
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