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Interference self-avoidance substation site selection method of TD-LTE (TD-SCDMA Long Term Evolution) system

A system interference and TD-SCDMA technology, which is applied in the field of base station site selection for TD-LTE system interference self-avoidance, can solve problems such as co-channel interference, overall system performance impact, and failure to consider TD-LTE system, etc., to improve the overall Performance, Effect of Interference Suppression

Active Publication Date: 2011-03-30
COMBA TELECOM TECH (GUANGZHOU) CO LTD +1
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Problems solved by technology

[0006] (2) Same-frequency interference between two base stations
[0012] In the prior art, it is not considered that the TD-LTE system may adopt the same-frequency networking to improve the frequency utilization rate. Therefore, the above-mentioned problems of near-end interference and far-end interference in the TD-LTE system will bring serious problems to the overall performance of the system. severe impact

Method used

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  • Interference self-avoidance substation site selection method of TD-LTE (TD-SCDMA Long Term Evolution) system
  • Interference self-avoidance substation site selection method of TD-LTE (TD-SCDMA Long Term Evolution) system
  • Interference self-avoidance substation site selection method of TD-LTE (TD-SCDMA Long Term Evolution) system

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Embodiment Construction

[0064] 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 only some of the embodiments of the present invention, 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 making creative efforts belong to the protection scope of the present invention.

[0065] The present invention proposes a base station site selection method based on the TD-LTE system, such as Figure 4 As shown, the method includes the following steps:

[0066] Step 401, when it is necessary to establish and configure a new base station, obtain the system information and configuration of each deployed base station, and determine a potential interfered base station from the deployed base stations according to preset screening ...

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Abstract

The invention provides an interference self-avoidance substation site selection method of a TD-LTE (TD-SCDMA Long Term Evolution) system, which is used for optimizing the site of a new substation so as to avoid same frequency interference between the new substation and a potential interfered substation. The method comprises: when a new substation is required to build and configure, obtaining the system information and configuration situation of each deployed substation; according to a preset screening criteria, determining the potential interfered substation from the deployed substations; according to potential interfered substation information (such as coverage area, service user number, user QoS (quality of service) requirements and the like), determining the priority level of each potential interfered substation; according to the priority level of each potential interfered substation, generating a list of the priority levels of the potential interfered substations; according to the near-end interference and far-end interference to the potential interfered substation by the new substation, determining the low-interference space between the new substation and each potential interfered substation; according to the list of the priority levels of the potential interfered substations and the low-interference space between the new substation and each potential interfered substation, determining the site selection area of the new substation.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a base station site selection method for TD-LTE system interference self-avoidance. Background technique [0002] The LTE (Long Term Evolution, long-term evolution) system of 3G (third generation mobile communication system) is an important standard of B3G (Beyond Third Generation in mobile communication system) / 4G (fourth generation mobile communication system) One of them includes TDD (Time Division Duplexing, time division duplexing) and FDD (Frequency Division Duplexing, frequency division duplexing) two modes. [0003] Among them, TD-LTE (TD-SCDMA Long Term Evolution, TD-SCDMA Long Term Evolution) system, as the continuation of TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access), has the unique characteristics of time division duplex system It has the advantages of flexible frequency conf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/14H04W16/24
Inventor 彭木根李莉王文博
Owner COMBA TELECOM TECH (GUANGZHOU) CO LTD
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