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Extended orthogonal space-time block coded transmission with quantised differential feedback

Hussin, Mohammed Nuri and Weiss, Stephan (2010) Extended orthogonal space-time block coded transmission with quantised differential feedback. In: 7th international Symposium on Wireless Communications Systems, 2010-09-19 - 2010-09-22, York.

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Abstract

Extended orthogonal space-time coding can use feedback of channel state information to increase the diversity gain of the transmission. This paper calculates the maximum attainable gain, and shows the effect that quantisation in the feedback channel has on the system performance. We demonstrate that for slow-fading channels, differential coding with a single feedback bit can achieve near-optimum performance and exceed the performance of non-differential feedback with higher word length. We also comment on combining differential encoding with channel estimation. Simulation results compare this approach to state-of-the-art systems with standard quantised and unquantised feedback.

Item type: Conference or Workshop Item (Paper)
ID code: 32591
Keywords: arrays, quantization , doppler effect , diversity methods , channel estimation , bit error rate , Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 18 Aug 2011 10:21
Last modified: 17 Jul 2013 16:11
URI: http://strathprints.strath.ac.uk/id/eprint/32591

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