Differentially coherent communication with multiple-symbol observation interval

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A novel differential detection technique for multiple phase shift keying (MPSK), which uses multiple symbol observation interval, is proposed and its performance is analyzed. The proposed technique detects the transmitted symbol with accumulation of the differential signal vector projected on the previously received symbol. As with the multiple-symbol differential detection (MSDD) technique [1], the performance of the proposed scheme fills the gap between the conventional differential and the ideal coherent detection. The amount of improvement depends on the number of phases nl and the number of additional symbol intervals N of observation. Performance analysis and simulation show considerable improvement with only 1 or 2 additional symbol intervals of observation. In addition, complexity increases linearly with observation interval and is smaller than that in [2] and [3].
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2001-01
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.5, no.1, pp.1 - 3

ISSN
1089-7798
URI
http://hdl.handle.net/10203/84681
Appears in Collection
EE-Journal Papers(저널논문)
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