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Control information detection method and device

A technology for indicating information and configuration information, applied in the field of communication, can solve the problems of increasing the complexity of blind detection of terminal equipment and different lengths of DCI, and achieve the effect of reducing the complexity of blind detection

Inactive Publication Date: 2019-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, different lengths of TCI will lead to different lengths of DCI. There are many possible bit lengths of DCI, which will increase the complexity of blind detection of terminal equipment.

Method used

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  • Control information detection method and device
  • Control information detection method and device
  • Control information detection method and device

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Embodiment Construction

[0051] Before introducing the present application, the technical terms involved in the embodiments of the present application are firstly introduced.

[0052] The terminal device in this embodiment of the present application may refer to 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, a wireless communication device, a user agent, or a user device. Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (Session Initiation Protocol, SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant, PDA), with wireless communication functions Handheld devices, computing devices or other processing devices connected to wireless modems, automobiles, in-vehicle devices, wearable devices, various types of terminals in the 5G network, such as communication modules, ...

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Abstract

The invention provides a method and device for detecting control information. The method comprises the steps that terminal device receives configuration information sent by network equipment; The terminal device determines the bit length indicated by the wave beam of the terminal equipment according to parameters carried in the configuration information; And the terminal device detects the controlinformation sent by the network device according to the bit length indicated by the beam. Due to the fact that the terminal device determines the bit length indicated by the beam, the complexity of blind detection is reduced.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for detecting control information. Background technique [0002] With the rapid development of communication technology, people have higher and higher requirements on the data rate and efficiency of wireless communication. In the 5G New Radio (NR) communication system, beamforming technology is used to limit the energy of the transmitted signal to a certain beam direction, thereby increasing the efficiency of signal transmission and reception. Beamforming technology can effectively expand the transmission range of wireless signals and reduce signal interference, thereby achieving higher communication efficiency and higher network capacity. When using beams for communication between network devices and terminal devices, the use and management of beams need to be considered, and network devices need to inform terminal devices of informati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L5/00
Inventor 管鹏张希张闽
Owner HUAWEI TECH CO LTD
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