NDLI: MIMO Detector Based on Viterbi Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Lee, Jin Park, Sin-Chong
Copyright Year	2007
Description	Author affiliation: System Integration Technology Institute, Information and Communications University (Lee, Jin; Park, Sin-Chong)
Abstract	Suboptimal detectors of multiple-input multiple-output (MIMO) have been studied because the implementation of the optimum detector, the maximum-likelihood (ML) detector, has so far been considered infeasible for high-rate system. Sphere decoder (SD) using depth-first tree searching and K-best algorithm are used for near optimum detector. SD has the non-deterministic computational throughput and K-best requires the sorting unit whose complexity is significantly high when a large K is used together with high modulation constellation. In this paper, we propose a MIMO detector employing Viterbi algorithm instead of tree searching. This detector can keep the computational throughput constant and reduce the complexity because the sorting is not required. In the simulation, we analyze the advantage and the drawback of the proposed detector in the environment of IEEE 802.11n system.
Starting Page	111
Ending Page	115
File Size	3069464
Page Count	5
File Format	PDF
ISBN	9781424412211
ISSN	15206130
DOI	10.1109/SIPS.2007.4387528
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Detectors Viterbi algorithm Decision trees Throughput Sorting Maximum likelihood detection Maximum likelihood decoding Computational modeling Analytical models MIMO detector Sphere decoder
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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