Downlink signal transmission method, device, computer readable storage medium and base station

A signal transmission and base station technology, applied in the fields of devices, computer-readable storage media, base stations, and downlink signal transmission methods, can solve the problems of increasing the downtilt angle of the antenna, holes, and high cost

Active Publication Date: 2021-09-10
CHINA MOBILE COMM LTD RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] For optimization method 2, increasing the downtilt angle of the antenna will lead to shrinkage of downlink coverage and prone to coverage holes
In addition, a large number of non-electrically adjustable antennas are used in the rural areas of the current network. Increasing the downtilt angle of the antenna needs to be processed on the station, which is difficult and expensive to implement.
Replacing the high-gain antenna can also reduce the interference of the atmospheric waveguide, but it needs to be operated on the station, and the cost is high

Method used

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  • Downlink signal transmission method, device, computer readable storage medium and base station
  • Downlink signal transmission method, device, computer readable storage medium and base station
  • Downlink signal transmission method, device, computer readable storage medium and base station

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Embodiment Construction

[0057] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0058]Embodiments of the present invention provide a downlink signal transmission method, device, computer-readable storage medium, and base station, which can effectively reduce atmospheric waveguide interference.

[0059] An embodiment of the present invention provides a downlink signal transmission method, such as image 3 shown, including:

[0060] Step 101: Determine the target base station that can cause atmospheric waveguide interference to other base stations;

[0061] Step 102: reduce the transmission density of the cell reference signal CRS of the target base station.

[0062] Since atmospheric waveguide interference usually occurs in the early morning and in rural areas, the traffic in this scenario is less, the utilizatio...

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Abstract

The invention provides a downlink signal transmission method, device, computer-readable storage medium and base station, belonging to the technical field of wireless communication. Wherein, the downlink signal transmission method includes: determining a target base station that can cause atmospheric waveguide interference to other base stations; reducing the transmission density of the cell reference signal CRS of the target base station. Through the technical scheme of the invention, the atmospheric waveguide interference can be effectively reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a downlink signal transmission method, device, computer readable storage medium and base station. Background technique [0002] With the rapid development of the TD-LTE (Time-Division Long-Term Evolution) industry, the interference of the downlink signal of the remote base station of the TDD (Time Division Duplex) system on the uplink signal of the near-end base station caused by the atmospheric waveguide effect is also intensified. Such as figure 1 As shown, the atmospheric waveguide is a phenomenon that due to the temperature inversion in the troposphere or the level where the water vapor decreases sharply with height, the radio wave forms super-refraction propagation in this layer, and most of the radio wave radiation is limited to propagate in this layer. The transmission loss of the wireless signal in the atmospheric waveguide is very small, and ultra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W28/02H04W28/04
CPCH04W24/02H04W28/0236
Inventor 张龙邓伟
Owner CHINA MOBILE COMM LTD RES INST
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