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An Efficient AOA Estimation Scheme Based on Cyclic Pilot Symbols for Positioning of Mobile Objects in Indoor Environments
IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
AOA, estimation, cyclic pilot symbols,
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The conventional AOA estimation schemes assume multiple antennas, which usually causes high-cost estimation systems. Moreover, the schemes are very vulnerable to multi-path interferences. In this letter, a novel scheme is proposed for the efficient AOA estimation. The scheme is based on cyclic pilot symbols, which guarantees the use of a single antenna and the robustness over multi-path interferences.