NDLI: A grouping strategy for parallel group detection in synchronous gaussian CDMA channels

Content Provider	IEEE Xplore Digital Library
Author	Marcal, M.F. Vinhoza, T.T.V. Backx, F.D. Sampaio-Neto, R.
Copyright Year	2006
Description	Author affiliation: CETUC/PUC, Rio de Janeiro (Marcal, M.F.; Vinhoza, T.T.V.; Backx, F.D.; Sampaio-Neto, R.)
Abstract	In this paper a group detection technique is addressed. After recalling some concepts of the decorrelating detector and the optimum multiuser detector, a parallel group detector which combines the advantages of both structures is introduced. The receiver derived here exploits the signal users' correlation in an uplink synchronous code-division multiple access channel, resulting in a structure whose performance ranges from the decorrelating detector to the optimum multiuser detector, depending on the number of groups and on the number of users assigned to those groups. As in group detection the problem of how to compose groups arises, a grouping strategy that minimizes the bit error probability of the user with worst performance in the entire system is developed. Examples illustrating the performance of the proposed grouping strategy are also provided.
Starting Page	426
Ending Page	431
File Size	568653
Page Count	6
File Format	PDF
ISBN	9788589748049
DOI	10.1109/ITS.2006.4433311
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-03
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Detectors Decorrelation Multiple access interference Multiuser detection Matched filters AWGN Direct-sequence code-division multiple access Base stations Background noise Parallel Group Detection CDMA Multiuser Detection Decorrelating Detector Optimum Detector
Content Type	Text
Resource Type	Article

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