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Channel estimation method, device and equipment and storage medium

A technology for channel estimation and terminal equipment, which is applied in channel estimation, baseband system components, electrical components, etc., and can solve problems such as no better solutions have been provided.

Pending Publication Date: 2020-10-27
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] How to perform channel estimation during PDCCH retransmission, the related art has not yet provided a better solution

Method used

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  • Channel estimation method, device and equipment and storage medium
  • Channel estimation method, device and equipment and storage medium
  • Channel estimation method, device and equipment and storage medium

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Embodiment Construction

[0033] In order to make the objectives, technical solutions, and advantages of the present disclosure clearer, the following further describes the embodiments of the present disclosure in detail with reference to the accompanying drawings.

[0034] figure 1 It shows a block diagram of a communication system provided by an exemplary embodiment of the present disclosure. The communication system may include: an access network 12 and a terminal device 14.

[0035] The access network 12 includes several network devices 120. The network device 120 may be a base station, which is a device deployed in an access network to provide wireless communication functions for terminal devices. The base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on. In systems using different wireless access technologies, the names of devices with base station functions may be different. For example, in LTE systems, they are called eNodeB or ...

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Abstract

The invention discloses a channel estimation method, device and equipment and a storage medium, and relates to the technical field of communication. The method is applied to the terminal equipment, and comprises the following steps: performing channel estimation by using all DM-RSs on continuous N repeatedly transmitted CORESETs, N being a positive integer greater than 1; wherein the N CORESETs which are repeatedly transmitted correspond to the same frequency domain resource and / or precoding matrix. According to the method disclosed in the embodiment of the invention, under the condition thatthe N CORESETs which are repeatedly transmitted correspond to the same frequency domain resource and precoding matrix, the N CORESETs are transmitted; the terminal equipment performs channel estimation by using all the DM-RSs on the N CORESETs which are repeatedly transmitted, so that cross-CORESET channel estimation is realized, and the accuracy of channel estimation is improved in comparison with that of channel estimation only performed in one CORESET.

Description

Technical field [0001] The present disclosure relates to the field of communication technologies, and in particular, to a channel estimation method, device, equipment and storage medium. Background technique [0002] In the New Radio (NR), it is planned to introduce a reduced capability terminal (Reduced capability UE), also referred to as NR-lite for short. [0003] The reduced capability terminal usually needs to meet the following requirements: low cost and low complexity; a certain degree of coverage enhancement; power saving. In order to achieve coverage enhancement, the reduced capability terminal needs to support physical downlink control channel (Physical Downlink Control Channel, PDCCH) retransmission. [0004] How to perform channel estimation during PDCCH retransmission has not yet provided a better solution in related technologies. Summary of the invention [0005] The embodiments of the present disclosure provide a channel estimation method, device, equipment, and stora...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L25/02H04B7/0456
CPCH04L25/0202H04L25/0204H04B7/0456H04L25/0224H04L5/0051H04L5/0023H04L25/0226H04L5/0007
Inventor 牟勤
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD