Timing-synchronization analysis for IEEE 802.11a wireless LANs in frequency-nonselective Rician fading environments

Authors:
Kun-Wah Yip;Yik-Chung Wu;Tung-Sang Ng
Affiliations:
Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, China;-;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2004

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Abstract

This paper derives and computes the probability of synchronization failure Pfail for IEEE 802.11a wireless LANs on frequency-flat Rician fading channels. For a frequency offset within ±232 kHz, it is shown that its effect on the synchronization performance is minor. The Eds/N0 ratios required to achieve Pfail=10-3 and 10-4 are computed, where Eds is the data-symbol energy. We find that Eds/N0 ratios over 20 dB are generally required for channels with Rician factors K≤6 dB. In particular, Eds/N0 ratios that yield Pfail=10-4 exceed 30 dB for K≤4 dB.