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Lookup NU author(s): Hong Yeo,
Professor Bayan Sharif,
Emeritus Professor Oliver Hinton
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This paper presents multiple access interference cancellation techniques based on joint implementation of spat tial-beamforming and multiuser detection strategies for coherent underwater acoustic communication network. Performances of adaptive multiuser detection strategies based on weighted parallel, successive, and recursive successive interference cancellation techniques are compared using experimental sea-trial data. Results show that the receiver structure adopting weighted recursive successive interference cancellation (RSIC) exhibits robustness in extracting useful data for weak users in the presence of co-channel interference from strong users. In addition, this type of structure simultaneously suppresses the summed interference effects contributed by weaker users toward the strongest user. The RSIC structure is therefore a potential candidate for multiple access interference suppression in coherent shallow water acoustic communication systems.
Author(s): Adams AE; Hinton OR; Yeo HK; Sharif BS
Publication type: Article
Publication status: Published
Journal: Journal of Oceanic Engineering
ISSN (print): 0364-9059
ISSN (electronic): 1558-1691
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