Communication control method, system and base station

A communication control and base station technology, applied in wireless communication, electrical components, etc., can solve problems such as uplink quality degradation, transmission delay exceeding, base station co-frequency remote interference, etc., and achieve the effect of reducing resource waste

Pending Publication Date: 2022-07-15
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In some special environments, such as coastal areas, plains, and early mornings in spring and autumn, atmospheric ducting is prone to occur, making the transmission delay exceed the uplink and downlink protection time slots of the TDD (Time Division Duplexing, Time Division Duplexing) system
After long-distance transmission, the downlink transmission of the remote base station will fall into the uplink reception symbol of the disturbed base station, which will cause strong co-frequency remote interference between the base stations within hundreds of kilometers, resulting in the degradation of uplink quality

Method used

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  • Communication control method, system and base station
  • Communication control method, system and base station
  • Communication control method, system and base station

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] The relative arrangement of the components and steps, the numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise.

[0036] Meanwhile, it should be understood th...

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Abstract

The invention discloses a communication control method, a communication control system and a base station, and relates to the field of wireless communication. The communication control method comprises: a first base station determines cells subjected to co-frequency interference in carrier aggregation cells, the carrier aggregation cells comprising cells of the first base station; and the first base station instructs the terminal in the cell subjected to the same-frequency interference to perform pilot frequency measurement, so that the terminal performs pilot frequency switching. By switching the interfered user to the same system pilot frequency for service to avoid the same frequency interference, the frame structure reconfiguration of the interfered cell and the base station can be avoided, so that the resource waste is reduced as much as possible.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a communication control method, system and base station. Background technique [0002] In some special environments, such as coastal areas, plains, and early mornings in spring and autumn, atmospheric ducting is easy to occur, which makes the transmission delay exceed the uplink and downlink protection time slots of the TDD (Time Division Duplexing) system. . After long-distance transmission, the downlink transmission of the remote base station will fall into the uplink received symbol of the disturbed base station, resulting in strong co-frequency remote interference from base stations within hundreds of kilometers, resulting in the degradation of uplink quality. Remote interference has the characteristics of wide interference range, high frequency and serious degree. [0003] The concept of carrier aggregation (Carrier Aggregation, CA) was first introduced in LTE...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/20H04W36/30
CPCH04W36/20H04W36/30
Inventor 魏明烁许晓航周阅天胡春雷
Owner CHINA TELECOM CORP LTD
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