NDLI: Dual mode channel equalizer design for MB-UWB and WiMAX systems

Content Provider	IEEE Xplore Digital Library
Author	Po-Lin Yeh Kuei-Ann Wen
Copyright Year	2010
Description	Author affiliation: Institute of Electronics, National Chiao Tung University, Taiwan (Po-Lin Yeh; Kuei-Ann Wen)
Abstract	Dual-mode channel equalizer is proposed for IEEE 802.15.3.a (i.e. MB-UWB) and IEEE 802.16d (i.e. fixed WiMAX) OFDM systems. The proposed scheme comprises channel estimator (CE), frequency domain equalizer (FDE), phase error tracker (PET), and adaptive channel tracker to solve non-ideal effects, such as multi-path fading channel, AWGN, carrier frequency offset (CFO) and sampling clock offset (SCO). In MB-UWB system simulation, the proposed dual-mode channel equalizer contributes 2.06∼9.7dB gain in SNR for 8% packet error rate (PER) specification in different transmission mode. On the other hand, it can also obtain 0.5∼3.9 dB gain in SNR for $10^{−6}$ bite error rate (BER) requirement in WiMAX system. In hardware implementation, the architecture of proposed scheme uses two-parallelism to achieve high throughput rate up to 528M sample/s. Most of the functional blocks are reused to enhance the hardware efficiency. The design occupies only 130k equivalent gate count in UMC 0.18 µm technology.
Starting Page	58
Ending Page	63
File Size	242748
Page Count	6
File Format	PDF
ISBN	9781424470075
e-ISBN	9781424470105
e-ISBN	9781424470099
DOI	10.1109/ISCIT.2010.5664912
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-26
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equalizers OFDM Noise Channel estimation Computer architecture WiMAX Positron emission tomography
Content Type	Text
Resource Type	Article

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