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A terminal capability transmission method, network device and terminal

A transmission method and terminal capability technology, applied in the field of communication applications

Active Publication Date: 2022-07-15
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a terminal capability transmission method, network equipment and terminal to solve the problem of how the network side learns the UE capability and provides appropriate bandwidth for the UE before RRC access is completed

Method used

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  • A terminal capability transmission method, network device and terminal
  • A terminal capability transmission method, network device and terminal
  • A terminal capability transmission method, network device and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0242] Core Network:

[0243] Step 1: The service arrives, the UE is in an idle state, and the core network triggers the paging process.

[0244] Step 2: The core network sends the access capability of the UE, including the access frequency band and the access bandwidth supported by the UE, together with the first identification information allocated for the UE by the core network to the RAN base station.

[0245] The first identification information here may be S-TMSI.

[0246] Step 3: Complete the establishment of the interface between the RAN side of the UE and the core network, and perform service transmission.

[0247] RAN:

[0248] Step 1: Receive a paging message sent by the core network, the paging message carries the first identification information of the paging UE allocated by the core network and the access capability of the UE, that is, the access frequency band supported by the UE and the corresponding frequency band Supported access bandwidth, etc.

[0249] ...

Embodiment 2

[0269] Core Network:

[0270] Step 1: The service arrives, the UE is in the idle state, and the core network triggers the paging process.

[0271] Step 2: The core network sends the access capability of the UE, including the access frequency band and the access bandwidth supported by the UE, to the RAN base station together with the first identification information allocated by the core network for the UE.

[0272] The first identification information here is S-TMSI.

[0273] Step 3: Complete the establishment of the interface between the RAN side of the UE and the core network, and perform service transmission.

[0274] RAN:

[0275] Step 1: Receive a paging message sent by the core network, the paging message carries the first identification information of the paging UE allocated by the core network and the access capability of the UE, that is, the access frequency band supported by the UE and the corresponding access bandwidth, etc.

[0276] Step 2: The RAN side sends a...

Embodiment 3

[0308] Core Network:

[0309] Step 1: The service arrives, the UE is in the idle state, and the core network triggers the paging process.

[0310] Step 2: The core network sends the access capability of the UE, including the access frequency band and the access bandwidth supported by the UE, to the RAN base station, as well as the third identification information of the paged terminal, and the preset paging for sending the third identification information. At least one of the call time, the preset random access sequence set associated with the third identification information, and the preset time for sending the random access sequence associated with the third identification information is sent to the RAN, wherein the third identification The information is a short UE ID, and the length of the short UE ID is less than the length of the current S-TMSI, that is, less than 48 bits in the NR system, which meets the bit requirement in message 3.

[0311] Step 3: Complete the estab...

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PUM

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Abstract

The present invention provides a terminal capability transmission method, a network device and a terminal, and solves how the network side learns the terminal (User Equipment, UE) capability and provides the UE with a suitable device before radio resource control (Radio Resource Control, RRC) access is completed bandwidth problem. The transmission method of the present invention includes: before completing the radio resource control RRC access, acquiring the access capability of the terminal; and allocating a working frequency band and / or working bandwidth to the terminal according to the access capability of the terminal. The embodiment of the present invention obtains the access capability of the terminal before completing the RRC access of the radio resource control; according to the access capability of the terminal, the terminal is allocated a working frequency band and / or a working bandwidth, thereby realizing the RRC access. Before completion, the network side provides the terminal with an appropriate working frequency band and / or working bandwidth according to the terminal's access capability.

Description

technical field [0001] The present invention relates to the technical field of communication applications, and in particular, to a method for transmitting terminal capabilities, a network device and a terminal. Background technique [0002] In the new generation wireless communication system (5G or NR system), the network bandwidth can be much larger than the terminal transmission bandwidth. Therefore, the concept of Band Width Part (BWP) is introduced, and the carrier bandwidth of a cell can be divided into multiple BWPs. The network side supports configuring a BWP different from the initial BWP (initial BWP) for the UE as the active BWP through message 4 (Radio Resource Control RRC setup message, RRC reestablishment message, RRC resume message), and the bandwidth of the configured BWP can be higher than the initial BWP bandwidth, so that the UE can work on a wider bandwidth after initial access. For the scenario of entering the connected state from the idle state, the net...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04W72/0453H04W72/51
Inventor 许萌梁靖
Owner DATANG MOBILE COMM EQUIP CO LTD