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A study of orthogonal matched filters for interference cancellation in the situation that different spreading codes exist

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7 Author(s)
Takada, K. ; Div. of Electr. & Comput. Eng., Yokohama Nat. Univ., Japan ; Mizutani, K. ; Umebayashi, K. ; Hase, Y.
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In this paper, we consider direct sequence code division multiple access (DS-CDMA) communications, (wireless LAN in the ISM band), where the undesired DS-CDMA signals have different PN sequence lengths compared with the desired DS-CDMA signal. In this situation the conventional orthogonal matched filter (OMF) receiver's performance is poor, and so we propose a new OMF receiver to take into account these undesired signals. We show, through computer simulations, that our proposed OMF receiver will outperform the conventional OMF receiver.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual  (Volume:4 )

Date of Conference:

22-25 April 2003

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