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Accurate positioning and automatic optimization method for atmospheric waveguide

An atmospheric waveguide and precise positioning technology, which is applied to electrical components, transmission monitoring, orthogonal multiplexing systems, etc., can solve the problems of inability to accurately locate the atmospheric waveguide, low optimization efficiency, and unstandardized optimization, and achieve optimization standards. Optimize the effect of high efficiency and precise positioning

Active Publication Date: 2018-10-26
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] Aiming at the above defects or improvement needs of the prior art, the present invention provides a precise positioning and automatic optimization method of the atmospheric waveguide, thereby solving the technical problems in the prior art that the atmospheric waveguide cannot be accurately positioned, the optimization cannot be standardized, and the optimization efficiency is low

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  • Accurate positioning and automatic optimization method for atmospheric waveguide
  • Accurate positioning and automatic optimization method for atmospheric waveguide
  • Accurate positioning and automatic optimization method for atmospheric waveguide

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0032] Such as figure 1 As shown, a precise positioning and automatic optimization method of atmospheric waveguide, including:

[0033] (1) Collect the time domain characteristics and frequency domain characteristics of atmospheric duct interference in the interfered cell, detect the suspected interference source on the time domain characteristics and frequency domain characteristics of atmosph...

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Abstract

The invention discloses an accurate positioning and automatic optimization method for an atmospheric waveguide, comprising: detecting a suspected interference source for a time domain feature and a frequency domain feature of an atmospheric waveguide interference to obtain a suspected interference source eNodeBID of a plurality of suspected interference source cells; performing feature coding on the latter N bits of the suspected interference source eNodeBID to obtain a feature coding sequence; transmitting an electromagnetic wave signal including the feature code sequence to the interfered cell on the last two symbols of the DWPTS field by the plurality of suspected interference source cells; obtaining M suspected interference sources eNodeBID with the strongest interference according tothe intensity of the electromagnetic wave signal received by the interfered cell, and decoding the feature coding sequence corresponding to the M suspected interference sources eNodeBID with the strongest interference to obtain the actual interference source eNodeBID and its corresponding actual interference cell. The invention has the advantages of high positioning accuracy of the atmospheric waveguide and fast optimization speed.

Description

technical field [0001] The invention belongs to the field of mobile communication networks, and more specifically relates to a precise positioning and automatic optimization method of an atmospheric waveguide. Background technique [0002] The electromagnetic waves propagating in the atmospheric boundary layer, especially the near-surface layer, are affected by the refraction of the atmosphere, and their propagation paths are bent to the ground. When the curvature exceeds the curvature of the earth's surface, atmospheric waveguide propagation will occur. The atmospheric waveguide phenomenon can cause LTE wireless signals to propagate over long distances. When the propagation distance exceeds the protection distance of the uplink and downlink guard slots (GP) of the LTE system, it will cause the remote LTE wireless signals to interfere with the local LTE wireless signals. [0003] At present, there are three major difficulties in network planning and network optimization of 4...

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Application Information

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IPC IPC(8): H04J11/00H04B17/345H04W24/02
Inventor 彭薇李文刚江涛
Owner HUAZHONG UNIV OF SCI & TECH
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