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Search space parameter configuration and adjustment method and device

A search space and parameter configuration technology, applied in the field of communication, can solve the problems of long high-level signaling processing flow, missed adjustment opportunities for terminals, and inability to effectively reduce terminal power consumption.

Active Publication Date: 2021-11-16
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the base station usually uses high-level signaling to configure new search space configuration parameters for the terminal, and the terminal processes the high-level signaling for a long time. Therefore, it takes For a long time, when the terminal finally adjusts the configuration parameters of the search space, the status of its business has changed, causing the terminal to miss the best adjustment opportunity, which in turn makes the terminal unable to effectively reduce the power consumption of the terminal

Method used

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  • Search space parameter configuration and adjustment method and device
  • Search space parameter configuration and adjustment method and device
  • Search space parameter configuration and adjustment method and device

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specific Embodiment 1

[0292] image 3 It is an interaction diagram showing a search space parameter configuration and adjustment method according to an exemplary embodiment, and the search space parameter configuration and adjustment method is applied to a terminal and a base station. like image 3 As shown, the following steps 301 to 313 are included:

[0293] In step 301, after configuring the search space for the terminal, the base station acquires multiple sets of search space configuration parameters and initial search space configuration parameters that need to be configured for the terminal according to the initial state of the terminal.

[0294] The search space configuration parameters include the search period, the number of time units that are continuously searched in each search period, the monitoring opportunity in the time unit, the degree of CCE aggregation in each monitoring opportunity, the potential transmission position of the PDCCH under each degree of CCE aggregation, and at ...

specific Embodiment 2

[0312] Figure 4 It is an interaction diagram showing a search space parameter configuration and adjustment method according to an exemplary embodiment, and the search space parameter configuration and adjustment method is applied to a terminal and a base station. like Figure 4 As shown, the following steps 401 to 420 are included:

[0313] In step 401, after configuring the search space for the terminal, the base station acquires multiple sets of search space configuration parameters that need to be configured for the terminal according to the initial state of the terminal.

[0314] Each set of search space configuration parameters includes the search period for monitoring the search space, the number of time units for continuous search in each search period, the monitoring opportunity in this time unit, the degree of CCE aggregation in each monitoring opportunity, and the At least one of a potential transmission position of the PDCCH and a DCI format.

[0315] In step 40...

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Abstract

The invention relates to a search space parameter configuration and adjustment method and device. The method includes: determining whether the current state satisfies the preset condition; if the current state satisfies the preset condition, obtaining search space configuration parameters corresponding to the current state from multiple sets of pre-stored search space configuration parameters; The search space configuration parameters of the search space are switched to the search space configuration parameters corresponding to the current state; and the search space configuration parameters corresponding to the current state are used to continue monitoring the search space. In this technical solution, the search space configuration parameters that need to be switched are obtained according to the current state, and the switching is performed, which avoids the time delay caused by the adjustment of the search space configuration parameters through the high-level signaling sent by the base station, and realizes the adjustment of the terminal at the best time. The solution of the configuration parameters of the search space improves the efficiency of the terminal in adjusting the configuration parameters of the search space and reduces the power consumption of the terminal.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a search space parameter configuration and adjustment method and device. Background technique [0002] With the development of communication technology, there are more and more types of services that mobile communication can support, such as multimedia services, cloud services, and interactive services. In order to support these types of services, the power consumption of terminals is also increasing. [0003] By analyzing the power consumption of the terminal, it can be known that receiving and processing a PDCCH (Physical Downlink Control Channel, physical downlink control channel) is an operation that consumes a lot of power in the terminal. In related technologies, in order to reduce the power consumption of the terminal, the base station can adjust the search space configuration parameters when the terminal monitors the PDCCH according to the service of the te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W4/50
CPCH04W4/50H04W52/0216H04W52/0225Y02D30/70H04W52/0229H04L5/0094H04L5/0053H04L5/0048H04W48/12H04W88/18H04L2101/622H04W72/542H04W72/23
Inventor 牟勤
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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