Design of a Frequency Domain Equalizer Algorithm for MBOK DS-UWB System 


Vol. 32,  No. 10, pp. 1034-1041, Oct.  2007


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  Abstract

In this paper, we propose a FD MMSE (frequency domain minimum mean square error) equalizer algorithm for MBOK DS-UWB (M-ary bi-orthogonal keying direct sequence UWB) systems considered as a PHY proposal for high-speed wireless communication in IEEE 802.15.TG3a. The conventional FD MMSE equalization scheme has a structural limit due to insertion of the cyclic prefix (CP) in all transmit packets, but the proposed scheme is able to equalize the channel effect without CP. In order to overcome channel estimation error by multipath delay, we introduce a moving FFT and a moving average scheme. Compared with conventional FD MMSE equalizer and the traditional TD (time domain) MMSE-RAKE receiver, the proposed FD MMSE equalizer has better BER performance and we demonstrate this result by computer simulation.

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  Cite this article

[IEEE Style]

S. Kang, S. Im, H. Choi, "Design of a Frequency Domain Equalizer Algorithm for MBOK DS-UWB System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 1034-1041, 2007. DOI: .

[ACM Style]

Shin-Woo Kang, Se-Bin Im, and Hyung-Jin Choi. 2007. Design of a Frequency Domain Equalizer Algorithm for MBOK DS-UWB System. The Journal of Korean Institute of Communications and Information Sciences, 32, 10, (2007), 1034-1041. DOI: .

[KICS Style]

Shin-Woo Kang, Se-Bin Im, Hyung-Jin Choi, "Design of a Frequency Domain Equalizer Algorithm for MBOK DS-UWB System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 1034-1041, 10. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880