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A Novel Simple DOA Estimation Algorithm Based on Direct Data Domain Approach Using Phase-Only Conjugate Gradient Method

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2 Author(s)
Shao Wei ; Nanjing Inst. of Commun. Eng. ; Zu-Ping Qian

Recently, a direct data domain least square (D3LS) approach has been developed so quickly for array signal processing in mobile communication and radar application. With D3LS approach, only a single data snapshot is required, instead of multiple snapshots needed to form a covariance matrix in conventional algorithms. Moreover, The phase-only algorithms are so attractive due to the advantage on simple hardware implementation. Therefore, this paper proposes a novel simple direction of arrival (DOA) estimation algorithm based on D3LS approach using phase-only conjugate gradient (CG) method. Simulation results show that the proposed algorithm can estimate the DOAs of signals accurately and deal well with coherent signals

Published in:

Wireless Communications, Networking and Mobile Computing, 2006. WiCOM 2006.International Conference on

Date of Conference:

22-24 Sept. 2006

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