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A pilot-assisted equalisation scheme for the UMTS-TDD downlink with partial loading

Hadef, M. and Weiss, S. (2005) A pilot-assisted equalisation scheme for the UMTS-TDD downlink with partial loading. In: IEEE 61st Vehicular Technology Conference, 2005-05-30 - 2005-06-01.

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We address a pilot-assisted channel equalisation strategy for the partially loaded downlink time-division duplex (TDD) component of the universal mobile telecommunication system (UMTS). Adaptation is performed by minimising a hybrid cost function based on the constant modulus (CM) criterion for all active users and a mean square error (MSE) criterion for both absent users and pilot signals. Computer simulations are used to assess the performance of the equalisation strategy under various partially loaded conditions.