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Laboratory Measurement Campaign of DVB-T Signal With Transmit Delay Diversity

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9 Author(s)
Di Bari, R. ; Dept. of Electron. & Comput. Eng., Brunel Univ., London ; Bard, M. ; Yue Zhang ; Nasr, K.M.
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The requirements for future DVB-T/H networks demand that broadcasters design and deploy networks that provide ubiquitous reception in challenging indoors and other obstructed situations. It is essential that such networks are designed cost-effectively and with minimized environmental impact. The EC funded project PLUTO has since its start in 2006 explored the use of diversity to improve coverage in these difficult situations. The purpose of this paper is to investigate the performance of Transmit Delay Diversity (DD) with two antennas to improve the reception of DVB-T/H systems operating in different realistic propagation conditions through a series of tests using a SPIRENT SR5500 dual channel emulator. The relationship between correlation coefficient between channels, receiver velocity and diversity gain is investigated. It is shown that transmit delay diversity significantly improves the quality of reception particularly in simulated fast fading mobile broadcasting applications. This paper documents research conducted by Brunel University and Broadreach Systems.

Published in:

Broadcasting, IEEE Transactions on  (Volume:54 ,  Issue: 3 )

Date of Publication:

Sept. 2008

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