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A communication method and device

A communication method and technology for configuring information, applied in the field of communication, can solve problems such as slow communication connection rate

Active Publication Date: 2021-06-22
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a communication method and device, which can solve the problem that the communication connection rate with the secondary station is relatively slow when the terminal recovers from the third state to the connected state

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Embodiment Construction

[0082] In the embodiments of the present application, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design scheme described as "exemplary" or "for example" in the embodiments of the present application shall not be interpreted as being more preferred or more advantageous than other embodiments or design schemes. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner.

[0083] Hereinafter, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0084] I...

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Abstract

The embodiment of the present application discloses a communication method and device, which relate to the technical field of communication and can solve the problem that a terminal cannot quickly restore a communication connection with a secondary station. The method includes: the first master station receives a first message from the terminal, and the first message is used to request the terminal to switch from the third state to the connected state; the first master station determines an auxiliary station providing services for the terminal; the first master station Obtain the first security parameter, the first security parameter is used to derive the security key used by the terminal to communicate with the secondary station that provides services for the terminal; the first master station obtains configuration information of SCG, and the configuration information of SCG includes providing services for the terminal At least one of the random access resources allocated by the secondary station for the terminal, the information of the set of serving cells in the secondary station providing services for the terminal, and the indication information of the primary cell of the secondary station providing services for the terminal; Send a second message, where the second message includes the first security parameter and configuration information of the SCG.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a communication method and device. Background technique [0002] The user equipment (User Equipment, UE) in the 5th generation mobile communication technology (the 5Generation Mobile Communication Technology, 5G) system, referred to as 5G UE, can be in the radio resource control (Radio Resource Control, RRC) idle state (Idle mode), RRC Connected mode or third state. The third state may also be called an inactive state (RRC Inactive mode). In the scenario where the 5G UE is in the third state, both the 5G UE and the access network (Radio Access Network, RAN) device store the AS context of the 5G UE, the core network device stores the context of the 5G UE, and the core network device and There is a 5G UE-specific signaling connection (UE associated NGconnection) between RAN devices. There is no RRC connection between 5G UE and RAN equipm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/27H04W76/16H04W12/041H04W12/06H04W12/069
CPCH04W76/27H04W76/16H04W12/06H04W12/041H04W12/106H04W12/30H04W36/00698H04W36/0072H04W76/19H04W84/20H04W36/0038H04W74/0833
Inventor 王瑞戴明增彭文杰
Owner HUAWEI TECH CO LTD
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