NDLI: Hierarchical MMSE linear equalization for multilayer coded modulation

Content Provider	IEEE Xplore Digital Library
Author	Lin Zhang Liu Yang Lu Li Zhongpei Zhang
Copyright Year	2009
Description	Author affiliation: National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, China (Lin Zhang; Liu Yang; Lu Li; Zhongpei Zhang)
Abstract	A communication system using multilayer coded modulation is introduced to detail the basic principles of hierarchical combined equalization based on linear minimum mean square error (MMSE) algorithm. A simplified hierarchical equalizer's extrinsic information of base-layer for 4-QAM multilayer coded modulation is presented. A new hierarchical equalization method of base layer is applied to multilayer modulation. Simulation results show that compared with conventional equalization method, the proposed hierarchical equalization method works effectively for multilayer coded modulation and the simplified equalizer's extrinsic information algorithm is able to reduce the calculation complexity degrees of equalizer's extrinsic information without the loss of BER performance.
Starting Page	164
Ending Page	168
File Size	2186651
Page Count	5
File Format	PDF
ISBN	9781424448869
DOI	10.1109/ICCCAS.2009.5250524
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Constellation diagram Equalizers Mean square error methods Interference Nonhomogeneous media Performance loss Iterative methods Modulation coding Iterative decoding Quadrature phase shift keying
Content Type	Text
Resource Type	Article

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