A Super-Resolution Beamforming Algorithm Used in Ad Hoc Network Terminals

doi:10.13190/jbupt.200605.19.165

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (5): 19-23.doi: 10.13190/jbupt.200605.19.165

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A Super-Resolution Beamforming Algorithm Used in Ad Hoc Network Terminals

GUO Li1 , GUO Yan 2, LI Ning2

1. School of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2. Institute of Science, People’s Liberation Army University of Science and Technology, Nanjing 210007, China

Received:2005-09-15 Revised:1900-01-01 Online:2006-10-30 Published:2006-10-30
Contact: GUO Li

Abstract

Abstract:

Based on Butler Matrix, a novel simple-structured hybrid smart antenna system applicable in Ad Hoc network terminals is designed. A super-resolution beamforming algorithm is also presented by combining with the direction of arrival (DOA) estimation algorithm of digital signal processing (DSP). By this algorithm, it is deduced the shift value formula of the variable phase shifter when the antenna array switches to the direction of the desired signal. Simulation results show that the system facilitates the implementation by use of the simple system structure and easy beamforming feature. And it can drive the antenna to follow the input signal, which can greatly improve the signal quality and suppress the electromagnetic interference..

Key words: smart antenna, Ad hoc network, mobile terminal, direction of arrival estimation, beamforming

CLC Number:

TN911.72

GUO Li1 , GUO Yan 2, LI Ning2. A Super-Resolution Beamforming Algorithm Used in Ad Hoc Network Terminals[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(5): 19-23.

References

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A Super-Resolution Beamforming Algorithm Used in Ad Hoc Network Terminals

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