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Method, communication device and network device for monitoring physical downlink control channel

A technology for physical downlink control and communication equipment, which is applied in the field of communication and can solve the problems of ignoring simultaneous activation of multiple bandwidth parts and single control relationship.

Active Publication Date: 2021-09-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, WUS is used to indicate that the control relationship when monitoring the PDCCH on each activated component carrier (component carrier, CC) is too simple, and it does not consider the scenario where multiple bandwidth parts (bandwidth part, BWP) are simultaneously activated in one CC

Method used

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  • Method, communication device and network device for monitoring physical downlink control channel
  • Method, communication device and network device for monitoring physical downlink control channel
  • Method, communication device and network device for monitoring physical downlink control channel

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Embodiment Construction

[0193] The technical solution in this application will be described below with reference to the accompanying drawings.

[0194] The technical solution of the embodiment of the present application can be applied to various communication systems, for example: global system of mobile communication (globalsystem of mobile communication, GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access (WCDMA) system, general packet radio service (general packet radio service, GPRM), long term evolution (long termevolution, LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunication system (universal mobile telecommunication system, UMTS), global interconnection microwave access (worldwide interoperability for microwave access, WiMAX) communication system, future fifth generation (5th generation, 5...

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Abstract

The present application provides a method for monitoring a physical downlink control channel, a communication device and a network device. The method includes: the communication device detects at least one wake-up signal; the communication device determines to monitor at least one physical downlink control channel according to the at least one wake-up signal, and the at least one physical downlink control channel is at least one bandwidth part BWP indicated by the at least one wake-up signal physical downlink control channel. The technical solutions of the embodiments of the present application can reduce monitoring of redundant physical downlink control channels, thereby saving power consumption of communication devices.

Description

technical field [0001] The present application relates to the communication field, and more specifically, relates to a method for monitoring a physical downlink control channel, a communication device, and a network device. Background technique [0002] The introduction of a wakeup signal (wakeup signal, WUS) provides a method for enabling a communication device to adaptively monitor a physical downlink control channel (physical downlink control channel, PDCCH) according to service arrival conditions. The network device sends a WUS to the communication device to wake up the communication device before the wake-up period (On-Duration) of the discontinuous reception (DRX) cycle, so that the communication device normally monitors the PDCCH in the corresponding On-Duration; if the network device determines When the communication device has no scheduling in a certain cycle of DRX, it will not send WUS to the communication device before the DRX cycle, so that the communication dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02
CPCH04W52/0229Y02D30/70H04W52/0219H04W76/28H04W52/0235H04W52/0216H04L5/0098H04W72/0453H04W72/1263H04W72/23
Inventor 常俊仁冯淑兰谢曦
Owner HUAWEI TECH CO LTD