NDLI: Multiuser signal design and detection using interference-resistant modulation

Content Provider	IEEE Xplore Digital Library
Author	Ng, B.K. Sousa, E.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada (Ng, B.K.)
Abstract	The space-time code has shed new insights in designing signals over multiple transmit antennas. In this paper, by considering a set of independent and synchronized users communicating with the base station in the reverse link, the joint users' signals can be analyzed within the framework of the space-time code. As multiuser transmission requires that each user's signal is confined to its own transmitting antenna, co-channel/inter-antenna interference degrades the performance significantly. We propose a novel multiuser signal structure called interference-resistant modulation (IRM) to improve the performance without coding and bandwidth-expansion. We prove that, both analytically and by simulations, the asymptotic performance of IRM with maximum-likelihood detection achieves the single-user performance. Further, to reduce the prohibitive complexity posed by ML detection, we propose a simple MMSE-based pre-combining detector. It is shown that the proposed detector combined with IRM provides significant improvement over previous approaches with the same complexity.
Starting Page	21
Ending Page	25
File Size	500318
Page Count	5
File Format	PDF
ISBN	0780370971
DOI	10.1109/ICC.2001.936265
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-11
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal design Interference Space time codes Transmitting antennas Detectors Base stations Signal analysis Degradation Modulation coding Performance analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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