A robust pilot-assisted equaliser for the partially loaded downlink UMTS TDD
Hadef, M. and Daas, A. and Weiss, S. and Reiss, Josh and Chen, Xiaodong (2007) A robust pilot-assisted equaliser for the partially loaded downlink UMTS TDD. In: 15th European Signal Processing Conference, 2007-09-03 - 2007-09-07. (http://www.elec.qmul.ac.uk/people/josh/documents/H...)
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In this paper, we propose a robust pilot-assisted equalisation strategy for the partially loaded time-division duplex (TDD) component of the universal mobile telecommunications system (UMTS). In addition to training-based equalisation performed using the midamble of a data packet, some of the unused preading codes are exploited to upload pilots in order to perform an additional semi-blind adaptation over the payload of a packet. The latter ensures continuous adaptation and better tracking performance. The affine projection concept along with the concurrent constant modulus algorithm (CMA) and decision-directed (DD) mode are implemented to update the equaliser weights. Computer simulations are used to assess the performance of the proposed adaptation strategy over various UMTS TDD time bursts
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Item type: Conference or Workshop Item(Paper) ID code: 12129 Dates: DateEvent2007PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Strathprints Administrator Date deposited: 22 Aug 2011 14:30 Last modified: 09 Apr 2024 05:15 URI: https://strathprints.strath.ac.uk/id/eprint/12129