Uppsala universitet

Multi-Channel Maximum Likelihood Sequence Estimation

Erik Lindskog

The 47th International Vehicular Technology Conference,
Phoenix, Arizona, U.S.A., May 5-7, 1997, vol 2, pp 715-719.

In mobile radio communications, antenna arrays can be used to improve the quality and/or the capacity of the communication system. The combination of an antenna array and maximum likelihood sequence detection (MLSE) is studied here. Different realizations of the multi-channel MLSE are presented. Although equivalent in performance, it is pointed out that one of them, the multi-dimensional matched filter approach, is superior in terms of computational complexity when more than one antenna is used. For completeness, temporally colored noise is included in the formalism.

Related publications:
PhD Thesis by Erik Lindskog.
Licentiate Thesis by E Lindskog 1995.
Conference paper in IEEE VTC'95, which investigates the use of decision feedback equalizers.

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