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Signal transmission method and device

A signal transmission and reference signal technology, applied in the field of communication, can solve problems such as far-end interference, and achieve the effect of avoiding the ping-pong effect

Active Publication Date: 2021-10-22
CHINA MOBILE COMM LTD RES INST +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0010] An object of the embodiments of the present invention is to provide a signal transmission method and device to solve the problem of far-end interference

Method used

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  • Signal transmission method and device

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] The term "comprising" and any variations thereof in the description and claims of this application are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device comprising a series of steps or units is not necessarily limited to the explicit instead of those steps or elements explicitly listed, other steps or elements not explicitly listed or inherent to the process, method, product or apparatus may b...

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Abstract

Embodiments of the present invention provide a signal transmission method and device, the method comprising: sending a first reference signal, the first reference signal indicating: the first network device is subject to far-end interference; receiving a second reference signal, The second reference signal indicates whether the atmospheric ducting phenomenon exists. In the embodiment of the present invention, by using the second reference signal indicating the presence of far-end interference, it can accurately determine whether the factors causing the far-end interference disappear, and effectively avoid the ping-pong effect in the far-end interference processing.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and in particular to a signal transmission method and device. Background technique [0002] In inland areas at the turn of spring and summer, summer and autumn, or in coastal areas in winter, the phenomenon of surface ducting is prone to occur. Such as figure 1 As shown, when the atmospheric ducting phenomenon occurs, there will be a layer in the troposphere where the temperature inversion or water vapor decreases sharply with height, called the ducting layer, and most of the radio wave radiation will be confined in the ducting layer for super-refractive propagation . Transhorizon propagation allows radio signals to travel great distances with low path propagation losses. [0003] For cellular wireless communication systems (for example: fourth generation mobile communication (forth generation, 4G) long term evolution (Long Term Evolution, LTE) system, or fifth...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/04H04L5/00
CPCH04W24/04H04L5/0048H04W24/02H04B17/345H04L5/0073H04L5/0053H04J11/0056H04B17/104
Inventor 金婧徐晓东邵华柯颋侯雪颖刘建军
Owner CHINA MOBILE COMM LTD RES INST
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