Implementation device for dynamic section broadcast bundle forming

Abstract

The invention provides a realization device of dynamic sector broadcast beam, which includes: a determination unit used to determine the direction and angle coverage scope of broadcast beam of dynamic sector according to the distribution feature of business load space; a definition unit used to define a plurality of ordinary business beam directions and calculate the corresponding steering vector on the basis of the direction and angle coverage scope of the broadcast beam and at the preset angle alternatively; a constitution unit used to constitute the weighting coefficient vector of a plurality of ordinary business beams and weighting coefficient vector of steering vector; a combination unit used to calculate the addition of the steering vector and beam of a plurality of business beams so as to obtain the combined beam formation weight vector; and a normalization unit used to normalize the combined beam formation weight vector so as to obtain the broadcast beam formation weight vector meeting the design requirement of the given dynamic sector and form broadcast beam of dynamic sector.

Description

Technical field [0001] The present invention relates to a device for realizing dynamic sector broadcast beam forming, and more specifically, to a device for realizing dynamic sector broadcast beam forming using smart antennas in a wireless communication system. Background technique [0002] Smart antennas use the spatial characteristics of signal transmission and digital signal processing technology to achieve uplink arrival angle estimation and downlink beamforming, so as to reduce noise interference, increase capacity, expand coverage, improve communication quality, reduce transmit power, and improve wireless The purpose of the data transfer rate. [0003] In practical applications, the spatial distribution of the traffic load of the communication system may be uneven, resulting in underutilized system capacity. The method of using smart antennas to realize dynamic sectors is an effective way to solve the problem of space distribution of service load, that is, adjust the size, ...

AI Technical Summary

Problems solved by technology

[0004] The patent "A Method for Wide Beam Forming for Smart Antenna Base Stations" (Application No.: 200310112369, Publication No.: CN1547333A, Publication Date: November 17, 2004) provides a method that passes through a sector at a predetermined angle A method of forming two orthogonal, fixed narrow beams equal to the number of antennas, and fitting them to obtain the beamforming weights of the common channel, but this method is usually only applicable to specific broadcast beam directions and angles Coverage conditions, and it is difficult to meet the requirements of dynamic sectors for different changes in broadcast beam pointing and angle coverage

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