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Method for detecting downlink control channel, and equipment

A technology of control channels and control channel elements, which is applied in the field of detecting downlink control channels, and can solve problems such as inapplicability

Active Publication Date: 2019-01-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the method of determining the total number of PDCCH candidates in the Long Term Evolution (LTE) system is not suitable for the fifth generation (5th Generation, 5G) New Radio (NR) system

Method used

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  • Method for detecting downlink control channel, and equipment
  • Method for detecting downlink control channel, and equipment
  • Method for detecting downlink control channel, and equipment

Examples

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0040] In the following, some terms used in the embodiments of the present invention are explained to facilitate the understanding of those skilled in the art.

[0041] 1) Mobile devices, including devices that provide voice and / or data connectivity to users, may include, for example, handheld devices with wireless connectivity, or processing devices connected to wireless modems. The mobile device can communicate with the core network via a radio access network (Radio Access Network, RAN), and exchange voice and / or data with the RAN. The mobile device may include a user equipment (User Equipment, UE), a subscriber unit (Subscriber Unit), a subscriber station (Subscriber Station), a mobile station (Mobile Station), a mobil...

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Abstract

The invention discloses a method for detecting a downlink control channel, and equipment. A method of determining total number of PDCCH candidates can be provided. The method includes the following steps: the mobile equipment determines an activated bandwidth portion (BP); the activated BP belong to one carrier wave; the mobile equipment determines the total number of downlink control channel candidates which can be detected by the mobile equipment according to the activated BP or system parameters corresponding to the activated BP, wherein the total number of downlink control channel candidates is larger than or equal to a preset threshold value; and the mobile equipment detects downlink control channels according to the total number of downlink control channel candidates.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a method and device for detecting a downlink control channel. Background technique [0002] Downlink Control Information (DCI) has multiple formats, but the mobile device does not know in advance which format of DCI is carried by the received Physical Downlink Control Channel (PDCCH), nor does it know the DCI Which PDCCH candidate is used for transmission, so the mobile device needs to perform PDCCH blind detection on all PDCCH candidates to receive the corresponding DCI. [0003] However, the way of determining the total number of PDCCH candidates in the Long Term Evolution (Long Term Evolution, LTE) system is not suitable for the fifth generation (5th Generation, 5G) New Radio (New Radio, NR) system. Contents of the invention [0004] The present application provides a method and equipment for detecting downlink control channels, which are...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
CPCH04L5/0053H04W72/23H04L5/00H04W72/04
Inventor 李俊超贾瓦德·阿布多利唐臻飞
Owner HUAWEI TECH CO LTD