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Signal transmission method and apparatus

A signal transmission and reference signal-like technology, applied in the field of communication, can solve the problems of inflexible resource allocation and low resource utilization, and achieve the effects of saving signaling overhead, improving utilization, and avoiding repeated configuration

Active Publication Date: 2018-05-11
HUAWEI TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] In the prior art, the reference signal used for beam management and the reference signal used for CSI measurement are configured independently, which will lead to inflexible allocation of resources used by the reference signal and low resource utilization

Method used

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  • Signal transmission method and apparatus
  • Signal transmission method and apparatus

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Embodiment Construction

[0067] The technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.

[0068] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a 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 (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, and future 5G communication systems, etc.

[0069] figure 1 A communication system ...

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Abstract

The embodiment of the invention provides a signal transmission method and apparatus. The method comprises the following steps: a network device determines a reference signal resource pool; the networkdevice sends indication information to a terminal device; the network device sends first configuration information and / or second information to the terminal device according to the reference signal resource pool; and the network device sends a first type of reference signals to the terminal device according to the first configuration information, and / or the network device sends a second type of reference signals to the terminal device according to the second configuration information. By adoption of the signal transmission method and apparatus provided by the embodiment of the invention, theresources used by different kinds of reference signals can be flexibly allocated, thereby improving resource utilization rate.

Description

technical field [0001] Embodiments of the present invention relate to the field of communications, and more particularly, to a signal transmission method and apparatus. Background technique [0002] In a wireless communication system, in order to improve transmission efficiency on the premise of ensuring transmission reliability, a network device usually estimates the quality of a wireless channel used for signal transmission, and determines a scheduling scheme according to the quality of the wireless channel. In the current wireless communication system, the quality information of the wireless channel is usually acquired by means of transmitting a reference signal. Communication systems usually use different types of reference signals: one type of reference signal is used for channel quality measurement or channel state information (ChannelState Information, referred to as "CSI") measurement, for example, a cell-specific reference signal (Cell-specific Reference Signal, ref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/08H04W72/54
CPCH04L5/0048H04W72/542H04L5/005H04L5/0057H04L5/0023H04L5/0094H04W72/54H04W72/23
Inventor 刘建琴刘鹍鹏
Owner HUAWEI TECH CO LTD
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