NDLI: Improved Performance of Soft Decision Decoding for DCM in MB-OFDM System

Content Provider	IEEE Xplore Digital Library
Author	Jee-Hye Lee Myung-Sun Baek Hyoung-Kyu Song
Copyright Year	2008
Description	Author affiliation: uT Commun. Res. Inst., Sejong Univ., Seoul (Jee-Hye Lee; Myung-Sun Baek; Hyoung-Kyu Song)
Abstract	In this paper, the soft decision decoding method using CSI (channel state information) for DCM that is used for high data rate (320, 400, 480 Mbps) in MB-OFDM (multi-band orthogonal frequency division multiplexing) system is investigated. OFDM based on UWB system has been proposed by the MBOA to provide very high data rate wireless communication. And CSI can be used in the soft-decision process to achieve better error correction performance. Moreover, to decrease the loss in diversity, DCM is proposed instead of QPSK. DCM is similar to 16-QAM, but it uses two constellation mapping. Accordingly it needs two decision metric. Therefore DCM has different reliability about the each mapping constellation. So, this paper proposed the soft decision decoding method using CSI according to each priority for DCM.
Starting Page	165
Ending Page	169
File Size	182218
Page Count	5
File Format	PDF
ISBN	9780769531199
DOI	10.1109/CISP.2008.611
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading OFDM Dual Carrier Modulation MB-OFDM Quality of service Decoding Quadrature phase shift keying Wireless communication Bandwidth Forward error correction CSI Soft Decision Error correction Channel state information
Content Type	Text
Resource Type	Article

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