Method of receiving reference signal and method of transmitting reference signal

A reference signal and reference signal sequence technology, applied in the field of a method of sending reference signals, can solve the problem that terminal equipment cannot obtain system bandwidth information, etc., and achieve the effect of reducing signaling overhead

Active Publication Date: 2021-09-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in this technology, since the terminal device needs to know the system bandwidth
In NR technology, the terminal device cannot know the system bandwidth information

Method used

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  • Method of receiving reference signal and method of transmitting reference signal
  • Method of receiving reference signal and method of transmitting reference signal
  • Method of receiving reference signal and method of transmitting reference signal

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Experimental program
Comparison scheme
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Embodiment Construction

[0074] The technical solution in this application will be described below with reference to the accompanying drawings.

[0075] The technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System 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, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequency Division Duplex, FDD) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal Mobile Telecommunications System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, the future fifth generation (5th Generation, 5G) system or new Wireless (New Radio, NR), etc.

[0...

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Abstract

The present application provides a method for receiving a reference signal and a method for sending a reference signal. The method for receiving a reference signal includes: a terminal device determining the location of a resource unit mapped to a reference signal; the terminal device determining the position corresponding to the resource unit The reference signal sequence, wherein the index of each element in the reference signal sequence is determined by the resource block index of the resource block corresponding to the resource unit, the number of resource units carrying reference signals in the resource block, the resource block offset or the symbol interval Offset determination: the terminal device receives the reference signal through the resource unit, and performs channel estimation or channel measurement according to the received reference signal and the reference signal sequence, so that the terminal device can In this case, the channel estimation is completed.

Description

technical field [0001] The present application relates to the field of communication, and, more particularly, to a method for receiving a reference signal and a method for transmitting a reference signal, and a communication device. Background technique [0002] At present, there is a known communication technology in which a terminal device can acquire system bandwidth, and then determine a reference signal sequence corresponding to a resource element (Resource Element, RE) according to the system bandwidth, so that the reference signal sequence carried on the resource element and the reference The signal sequence element performs channel estimation or channel measurement. [0003] However, in this technology, the terminal device needs to know the system bandwidth. However, in the NR technology, the terminal device cannot obtain the system bandwidth information. [0004] Therefore, it is desirable to provide a technology that enables the terminal equipment to complete cha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00
CPCH04L5/0048H04L5/0091H04L5/0007H04L27/26025H04L25/0224H04W72/23
Inventor 陈铮王建国张旭
Owner HUAWEI TECH CO LTD
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