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MMSE-FDE Based on Estimated SNR for Single-Carrier Block Transmission (SCBT) in Multi-Gbps WPAN (IEEE 802.15.3c)

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4 Author(s)
Ming Lei ; Ubiquitous Mobile Commun. Group, Nat. Inst. of Inf. & Commun. Technol., Yokosuka ; Lakkis, I. ; Harada, H. ; Kato, S.

This paper investigates using minimum-mean- square-error frequency-domain equalization (MMSE-FDE) based on a simple signal-to-noise ratio (SNR) estimation method for single-carrier block transmission (SCBT) over multi-path fading channels. The SNR was estimated by using channel frequency response (CFR) estimates obtained in the frequency domain. The performance was evaluated in the environments of IEEE 802.15.3c which is an emerging 60-GHz standard supporting data rates of multi-giga bits per second (multi-Gbps). We also introduced the radio frequency (RF) impairments into the simulations. The Reed-Solomon (RS) codes were used to correct errors. The simulation results show that by using reasonable number of channel estimation sequences (CES), the MMSE-FDE based on estimated SNR has only 0.8dB performance degradation in comparison with the one with perfect channel information. Thus, SCBT with MMSE-FDE (aided by SNR estimation) is very promising for realizing data rates of multi-Gbps in wireless personal area network (WPAN).

Published in:

Communications Workshops, 2008. ICC Workshops '08. IEEE International Conference on

Date of Conference:

19-23 May 2008