Method for covering base station subdistrict using multi-matrix element antenna

Abstract

The invention relates to a base station cell covering method that uses a multi-array-element antenna, which belongs to the communication technology field and is used for solving problem of the base station cell covering. The technical proposal comprises: different amplitudes and phases are given to each array element of the multi-array-element antenna according to the specific boundary and the shape of the base station cell; broadcast beams are beamformed to carry out the accurate covering to the base station cell. Compared with the present covering method, the base station cell covering method that uses the multi-array-element antenna of the invention increases the covering precision of the base station cell, and greatly reduces the work intensity of the adjustment and the danger of the operation, particularly solves the covering difficulties exist at some special scenes that the covering cannot be satisfied by adjusting angles and direction angles of the antenna by machinery, such as high building dense areas, expressways, etc.

Description

technical field [0001] The invention relates to a base station cell coverage method of a wireless network based on multi-element antennas, which belongs to the technical field of communication. Background technique [0002] Most of the wireless access side of the mobile communication network uses a single-antenna system, such as the antenna used in the GSM system, WCDMA system and CDMA2000 system. This communication network is to mechanically adjust the engineering parameters such as the inclination angle, direction angle and hanging height of the antenna. To control the coverage of the cell. In order to further improve the utilization of frequency resources, increase system capacity, and meet the ever-increasing demand for wireless communication bandwidth, people began to use multi-element antenna systems, such as the smart antenna used in TD-SCDMA systems. A multi-element antenna is an antenna array composed of multiple antenna elements, and has two working modes: broadca...

AI Technical Summary

Problems solved by technology

[0003] 1. Mechanical adjustment of the antenna inclination angle, direction angle and hanging height requires the staff to go to the top of the building or even the top of the tower to operate, which is not only labor-intensive, but also has certain dangers;

[0004] 2. The method of mechanically adjusting the antenna inclination angle, direction angle and hanging height, due to the limitation of the installation process conditions, the adjustment accuracy is still very rough;

[0005] 3. Due to the lack of reasonable planning for the broadcast beam at this stage, the coverage problem caused by the interference of the TD-SCDMA common channel is still very serious;

[0006] 4. In some special scenes where coverage is difficult, such as high-rise densely populated areas, expressways, etc., the method of mechanically adjusting the antenna inclination and direction angle cannot meet the needs at all.

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