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Title: Rooftop and indoor reception with transmit diversity applied to DVB-T networks: A long term measurement campaign
Authors: Bari, RD
Bard, M
Arrinda, A
Ditto, P
Cosmas, J
Loo, KK
Nilavalan, R
Keywords: Performance evaluation;Field trials and test;Set top boxes
Issue Date: 2009
Publisher: IEEE
Citation: Proceedings of IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, Bilbao, Spain, May 2009. pp. 1-6
Abstract: Although transmit Delay Diversity (DD) can provide a gain in indoor and other Non Line of Sight situations (NLOS), it can introduce degradation in rooftop reception. In fact, when the Ricean K factor of the channel is significantly high (e.g. Line of Sight reception), the channel performs similar to an AWGN channel where the performance degrades due to DD that artificially increase the fading. This paper investigates through practical evaluation the impacts of Transmit DD on LOS and NLOS stationary reception. Then, it studies 2 techniques to reduce the degradation performance in LOS while aiming to keep the same diversity gain in NLOS reception
Appears in Collections:Electronic and Computer Engineering
Dept of Electronic and Computer Engineering Research Papers

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