CCK demodulation via symbol decision feedback equalizer

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A symbol decision feedback equalization (DFE) technique is developed for demodulating complementary code keying (CCK) signals. The efficacy of the proposed receiver is demonstrated on the physical,layer (PRY) specified in the IEEE 802.11b wireless local area network (WLAN) standard. Packet error rate (PER) performance is compared with that of the conventional RAKE receiver. The proposed receiver structure and its low complexity variations demonstrate significant performance advantages over the RAKE receiver, especially in severe multipath channels. While a large delay spread can limit the performance of two low-complexity 'variations I discussed here, performance of the optimal symbol DFE receiver is not limited by delay spread as long as the channel signal-to-noise ratio (SNR) is sufficiently high.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2004-10
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.8, no.10, pp.620 - 622

ISSN
1089-7798
DOI
10.1109/LCOMM.2004.836839
URI
http://hdl.handle.net/10203/83751
Appears in Collection
EE-Journal Papers(저널논문)
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