Terminal capability, indication method of capability identification, acquisition method and communication equipment
A technology for terminal capability and capability identification, applied in wireless communication, network data management, electrical components, etc., to reduce signaling overhead and acquisition frequency.
Active Publication Date: 2022-04-12
VIVO MOBILE COMM CO LTD
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Problems solved by technology
However, with the evolution of the communication system, the terminal needs to support more and more capabilities, and the overhead caused by the transmission of terminal capabilities is also increasing. Therefore, how to reduce the overhead caused by terminal capability transmission is a problem that needs to be solved.
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[0057] In order to reduce the frequency of air interface terminal capability acquisition and reduce the signaling overhead of terminal capability transmission, the embodiments of the present invention provide a terminal capability indication method, an acquisition method, and a communication device. Specifically, when the RAN (Radio Access Network, Radio Access Network) does not know that the first capability identification information indicates the mapped wireless capability, it will obtain the terminal capability from the terminal. However, if the CN network element has obtained the terminal capability, obtaining the terminal capability from the terminal undoubtedly increases the signaling overhead of the UU interface (the interface between the terminal and the base station). However, the CN network element does not necessarily have the terminal capability mapped by the first capability identification information; if the RAN network element blindly requests the terminal capab...
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Embodiments of the present invention provide a terminal capability, a method for indicating terminal capability and capability identification, an acquisition method, and a communication device. The indication method includes: sending first information, and the first information includes at least one of the following: first capability identification information, first indication information and the second instruction information. Through the embodiment of the present invention, the first communication network element sends the first information related to the terminal capability, so that the communication network element that receives the first information can choose whether to obtain the terminal from the first communication network element or from the terminal according to the first information Capabilities, avoiding signaling overhead caused by failed attempts to obtain terminal capabilities from the first communication network element or avoid always obtaining terminal capabilities from the terminal, reducing the frequency of air interface terminal capability acquisition, thereby reducing signaling overhead for terminal capability transmission.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of wireless communication, and in particular to a terminal capability, a method for indicating a capability identifier, an acquisition method, and a communication network element. Background technique [0002] In order for CN (Core Network, core network) network elements or RAN (Radio Access Network, radio access network) network elements to obtain terminal capabilities, terminals need to report terminal capabilities to CN network elements or RAN network elements, or, in the communication network Transmit terminal capabilities between elements. However, with the evolution of the communication system, the terminal needs to support more and more capabilities, and the overhead caused by the transmission of the terminal capability is also increasing. Therefore, how to reduce the overhead caused by the transmission of the terminal capability is a problem that needs to be solved. Conten...
Claims
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IPC IPC(8): H04W8/20H04W36/00H04W36/14
CPCH04W8/205H04W36/0033H04W36/0066H04W8/24H04W8/20H04W8/22H04W60/04H04W60/00
Inventor 柯小婉
Owner VIVO MOBILE COMM CO LTD