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Transactions: WSEAS TRANSACTIONS ON SIGNAL PROCESSING
Transactions ID Number: 32-850
Full Name: Ling Qin
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: No.4,Section 2,North Jianshe Road,Chengdu,P.R.China
Country: CHINA
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E-mail address: hyli@uestc.edu.cn
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Title of the Paper: A New Method of DOA Estimation for Uniform Antenna Array
Authors as they appear in the Paper: Qin Ling Jia Yu Huiyong Li Zishu He
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Number of paper pages: 10
Abstract: A novel method of direction-of-arrival (DOA) estimation based on subarray beamforming for uniform circular arrays is proposed. In this method, the beamform manifold of uniform circular arrays is transformed via virtual structure, and then the virtual array is divided into two subarrrays. The target DOA is estimated from the phase shift between the reference signal and its phase-shifted version by subarray beamforming. Since the reference signal is obtained after interference rejection, the effect of interference The computation of the proposed method is simple, and the number of the signal sources of target is not bounded by the number of antenna elements. Simulation results demonstrate that proposed method has significantly improved estimation resolution, capacity, and accuracy relative to other method.
Keywords: Direction of arrival(DOA),Estimation, Virtual array, Subarray beamforming,Capacity
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