NDLI: Slow and Fast Adaptation of Partial Equalization for MC-CDMA Systems

Content Provider	IEEE Xplore Digital Library
Author	Zabini, F. Masini, B.M. Conti, A.
Copyright Year	2007
Description	Author affiliation: Univ. of Bologna, Bologna (Zabini, F.; Masini, B.M.)
Abstract	This paper investigates and compares slow and fast adapting equalization techniques for multi-carrier code division multiple access (MC-CDMA) systems. In particular, a recently proposed partial equalization (PE) technique is considered since providing good performance and being analytically tractable. We analytically evaluate both the downlink instantaneous bit error probability (BEP) and the mean BEP, averaged over fast fading, as a function of the PE parameter. We consider a slow adaptive PE technique that adapts the PE parameter to the slow processes variation (e.g., the number of sub-carriers, the mean signal to noise ratio and the number of active users). Our results show that the slow adaptation of the PE parameter can provide a noticeable improvement in terms of BEP with respect to fixed schemes. The slow adaptation is then compared to the fast adaptive PE technique tracking fast fading evolutions. Results show that the performance of slow adaptation can be in many practical cases close to that of fast adaptation despite the fact that slow adaptation is less complex in terms of feedback rate.
Starting Page	485
Ending Page	489
File Size	330624
Page Count	5
File Format	PDF
ISBN	9781424409785
DOI	10.1109/ISWCS.2007.4392387
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-17
Publisher Place	Norway
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Multicarrier code division multiple access Error probability Diversity reception Feedback Interference Downlink Noise cancellation Performance analysis Signal to noise ratio
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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