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A method, device and system for transmitting information

A technology for transmitting information and channel information, which is applied in the field of transmitting information and can solve problems such as uncontrollable signal peak-to-average ratio.

Active Publication Date: 2020-03-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a method for transmitting information to solve the technical problem that when a signal carrying information to be transmitted and a reference signal are transmitted on a symbol, the peak-to-average ratio of the signal transmitted on the symbol is uncontrollable

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  • A method, device and system for transmitting information
  • A method, device and system for transmitting information
  • A method, device and system for transmitting information

Examples

Experimental program
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Embodiment 1

[0127] The embodiment of the present invention proposes a method for transmitting information. In the method proposed in the embodiment of the present invention, the signal sent by the second communication device carries the information to be transmitted, and the first communication device receives the signal sent by the second communication device. Afterwards, the information to be transmitted carried by the second communication device on the signal can be obtained, and the channel information of the wireless channel experienced by the signal during transmission can also be obtained.

[0128] image 3 The flow of the method for transmitting information proposed by the embodiment of the present invention is shown, and the flow includes at least the following steps:

[0129] Step 301, the first communication device receives a first signal transmitted by a wireless channel sent by a second communication device, where the information carried by the second signal corresponding to ...

Embodiment 2

[0211] The embodiment of the present invention proposes a method for transmitting information. Specifically, the embodiment of the present invention proposes a method for sending a signal, corresponding to the method for transmitting information proposed in Embodiment 1 of the present invention. In the method proposed in the embodiment of the present invention, the second communication device sends a signal carrying information to be transmitted to the first communication device. This signal facilitates the first communication device not only to obtain the channel information of the wireless channel experienced by the signal, but also to The information carried on the signal can be obtained, and the peak-to-average ratio of this signal is controllable for the second communication device.

[0212] Figure 4 The flow of the method for transmitting information proposed by the embodiment of the present invention is shown, and the flow includes at least the following steps:

[0213]...

Embodiment 3

[0264] In order to make those skilled in the art more clearly and clearly understand the technical solutions provided by Embodiment 1 and Embodiment 2 of the present invention, the embodiments of the present invention will describe the technical solutions provided by the embodiments of the present invention with OFDM technology as the background; the implementation of the present invention Some specific parameters used in the example are derived from the Long Term Evolution (English: Long Term Evolution, abbreviation: LTE) system using OFDM technology, but the embodiment of the present invention does not limit the method provided by the embodiment of the present invention to be only applicable to the LTE system .

[0265] Figure 5 It shows a schematic diagram of one OFDM symbol (or one SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol) in the LTE system. In the figure, an OFDM symbol occupies 12 subcarriers in the frequency domain and 66.7us in the time doma...

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Abstract

The embodiment of the present invention discloses a method for transmitting messages. According to the technical solution provided by the embodiment of the present invention, the second signal sent by the second communication device to the first communication device can not only carry the information to be sent, but also facilitate the first communication The device estimates the channel information of the wireless channel according to the received first signal, that is, the second signal that has undergone wireless channel transmission, thereby saving energy; at the same time, the peak-to-average ratio of the second signal is the same as the preset second sequence Therefore, the second communication device can control the peak-to-average ratio of the second signal within a reasonable range by presetting an appropriate second sequence.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for transmitting information. Background technique [0002] In the field of wireless communication, considering the influence of factors such as mutual motion between communication devices, noise or wireless channels, the signal received by the communication device as the receiving end is often different from the signal sent. In order to improve the receiving performance, the communication device as the receiving end often needs to equalize the received signal. Generally speaking, the communication device as the receiving end needs to perform channel estimation; due to the consideration of implementation complexity, the existing mobile communication system generally does not use the blind estimation method, but transmits one or more The signal is used for channel estimation. For example, in the LTE system, the user equipment (English: User Equipment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCY02D30/70H04L5/005H04L5/0057H04L5/0007H04L27/26134H04L27/2615H04L27/262H04W72/04H04W72/0453H04W84/042
Inventor 曲秉玉刘建琴刘鹍鹏周永行
Owner HUAWEI TECH CO LTD