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Search space monitoring method and device

A search space and communication method technology, applied in the field of search space monitoring methods and devices, can solve the problems affecting terminal power consumption saving signals, no solution is given, search space cannot be applied to long DRX cycles at the same time, etc.

Active Publication Date: 2022-07-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the search space used to carry the power saving signal cannot be applied to the long DRX cycle and the short DRX cycle at the same time, which affects the normal detection of the power saving signal by the terminal.
For this technical problem, the industry has not yet given a corresponding solution

Method used

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  • Search space monitoring method and device
  • Search space monitoring method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0310] Embodiment 1. A method for monitoring a search space, wherein the method includes:

[0311] When the terminal uses a long DRX cycle, the power consumption saving signal is monitored in the first search space, and the power consumption saving signal is not monitored in the second search space, and the power consumption saving signal is used to indicate the power consumption saving information of the terminal ;

[0312] When the terminal uses the short DRX cycle, the power consumption saving signal is monitored in the second search space, and the power consumption saving signal is not monitored in the first search space.

Embodiment 2

[0313] Embodiment 2. The method for monitoring a search space according to Embodiment 1, wherein the power consumption saving information includes at least one of the following: whether the terminal monitors the PDCCH in the DRX cycle associated with the power consumption saving signal; the scheduling time interval is the smallest value indication; CSI measurement trigger indication; BWP handover indication; the search space and / or CORESET that the terminal needs to monitor within the DRX cycle associated with the power saving signal; the monitoring period for the terminal to monitor the PDCCH within the DRX cycle associated with the power saving signal; The skip interval used by the terminal in the DRX cycle associated with the power saving signal.

Embodiment 3

[0314] Embodiment 3. The method for monitoring a search space according to Embodiment 1 or Embodiment 2, wherein the monitoring period of the first search space and the long DRX period are the same in time length, and the second The monitoring period of the search space is the same in time length as the short DRX period.

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Abstract

Embodiments of the present application provide a method and device for monitoring a search space, which relate to the field of communications technologies and are used to enable a terminal to normally monitor the search space in a scenario where a power saving signal can be applied to a long DRX cycle and a short DRX cycle Power saving signal. The method includes: when the terminal uses a long DRX cycle, monitoring the power consumption saving signal in the first search space, not monitoring the power consumption saving signal in the second search space, the power consumption saving signal is used to indicate the power consumption saving information of the terminal; When the short DRX cycle is used, the power saving signal is monitored in the second search space, and the power saving signal is not monitored in the first search space. This application applies to the process of monitoring the search space.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a method and device for monitoring a search space. Background technique [0002] In order to reduce the power consumption of the terminal, the communication system introduces discontinuous reception (DRX) technology. The connected state DRX technology is to configure a DRX cycle for a terminal in a radio resource control (radio resource control, RRC) connected state (connected). like figure 1 As shown, the DRX cycle includes a sleep period (opportunity for DRX) and an active period (on duration). During the activation period, the terminal monitors and receives a physical downlink control channel (physical downlink control channel, PDCCH). During the sleep period, the terminal does not receive the data of the downlink channel to save power consumption. It should be noted that the DRX cycle can be divided into a short DRX cycle and a long DRX cycle. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W76/28
CPCH04W52/0216H04W52/0235H04W52/0248H04W76/28Y02D30/70H04W52/0229
Inventor 薛祎凡徐海博邝奕如王键
Owner HUAWEI TECH CO LTD