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Title: Measurements, processing functions and laboratory test-bed experiments for evaluating diversity in broadcast network
Authors: Di Bari, R
Shirazi, H
Nasr, KM
Cosmas, J
Loo, KK
Nilavalan, R
Zhang, Y
Bard, M
Keywords: DVB;CDD;DD;Diversity;On-channel repeaters;Laboratory test-bed;Test fields
Issue Date: 2007
Publisher: IEEE
Citation: IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, Orlando, USA, 28-29 March 2007
Abstract: This paper presents a test-bed development and measurement plan for evaluating transmit diversity and on-channel repeaters in the Digital Video Broadcasting Network. Transmit diversity reduces the complexity and improves the power consumption of the personal receiving devices by enhancing the transmission of signals in NLOS cluttered environments. It is more practical than receive diversity due to the difficulty of locating two receive antennas far enough apart in a small mobile device. The on-channel repeater is to extend the coverage of the DVB-T/H network in areas where services are inaccessible by receiving the DVB-T/H signals off air, amplifying and then retransmitting it on the same frequency as received. Test service scenarios were developed to illustrate the benefits of such technologies so that effectiveness can be researched in a variety of service and terrain scenarios using purpose built test systems.
Appears in Collections:Electronic and Computer Engineering
Dept of Electronic and Computer Engineering Research Papers

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