Presentation 2004/7/9
Systolic OMF-RAKE : Linear Interference Canceller Utilizing Systolic Array for Mobile Communications
KHINE Thet HTUN, Kazuhiko FUKAWA, Hiroshi SUZUKI,
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Abstract(in English) As a blind linear-interference-canceller for DS-CDMA mobile communications, the orthogonal matched filter (OMF) minimizes the power of the output while maintaining constant power of the desired signal in the output. This report studies the extension of OMF to an RAKE receiver (OMF-RAKE), which adaptively controls the steering vectors that determine the constraint. It also applies the QR-RLS algorithm to estimate the OMF-RAKE parameters and investigates a hardware implementation that employs a systolic array. Computer simulations show that OMF-RAKE with the QR-RLS algorithm and the systolic array structure can reduce the computational complexity to about a half that of the conventional RLS-type algorithm without degrading the BER.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) DS-CDMA / blind linear-interference-canceller / RAKE / QR-RLS / systolic array
Paper # NS2004-82,RCS2004-118
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Committee NS
Conference Date 2004/7/9(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Systolic OMF-RAKE : Linear Interference Canceller Utilizing Systolic Array for Mobile Communications
Sub Title (in English)
Keyword(1) DS-CDMA
Keyword(2) blind linear-interference-canceller
Keyword(3) RAKE
Keyword(4) QR-RLS
Keyword(5) systolic array
1st Author's Name KHINE Thet HTUN
1st Author's Affiliation Tokyo Institute of Technology()
2nd Author's Name Kazuhiko FUKAWA
2nd Author's Affiliation Tokyo Institute of Technology
3rd Author's Name Hiroshi SUZUKI
3rd Author's Affiliation Tokyo Institute of Technology
Date 2004/7/9
Paper # NS2004-82,RCS2004-118
Volume (vol) vol.104
Number (no) 184
Page pp.pp.-
#Pages 6
Date of Issue