Performance Analysis of a 60 GHz Near Gigabit System for WPAN ApplicationsReport as inadecuate




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1 IETR - Institut d-Electronique et de Télécommunications de Rennes

Abstract : A 60 GHz wireless Gigabit Ethernet G.E. communication system capable of near gigabit data rate has been developed at IETR. The realized system covers 2 GHz available bandwidth. This paper describes the design and realization of the overall system including the baseband BB, intermediate frequency IF and radiofrequency RF blocks. A differential binary shift keying DBPSK modulation and a differential demodulation are adopted at IF. In the BB processing block, an original byte-frame synchronization technique is designed to provide a small value of the preamble false alarm and missing probabilities. For the system performances, two different real scenarios are investigated: measurements carried out in a large gym and in hallways. Bit error rate BER measurements have been performed in different configurations: with-without RS 255, 239 coding, with frame synchronization using 32-64 bits preambles. As shown by simulation, the 64 bits preamble provides sufficient robustness and improves the system performance in term of BER. At a data rate of 875 Mbps, a BER of 10-8 was measured at 30 m using high gain antennas for line of-sight LOS conditions.

Keywords : Millimeter-wave system WPAN single carrier BER byte and frame synchronization





Author: Lahatra Rakotondrainibe - Yvan Kokar - Gheorghe Zaharia - Guy Grunfelder - Ghaïs El Zein -

Source: https://hal.archives-ouvertes.fr/



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