NDLI: An efficient feedback scheme using compressive sensing for MIMO broadcast channel with random beamforming

Content Provider	IEEE Xplore Digital Library
Author	Kiyoen Kim Senghun Jang Dongku Kim Jeongwook Seo
Copyright Year	2010
Description	Author affiliation: School of Electrical & Electronic Engineering, Yonsei University, Seoul, Korea (Kiyoen Kim; Senghun Jang; Dongku Kim) \|\| Advanced Mobile Technology Research Center, Korea Electronics Technology Institute, Seoul, Korea (Jeongwook Seo)
Abstract	In this paper we proposes an efficient feedback scheme using compressive sensing (CS) for MIMO broadcast channel(BC) with random beamforming(RBF). Feedback resources are opportunististically accessed by strong users whose SINR is larger than threshold. Strong users transmit same feedback information on feedback channel and they are indentified by BS using CS. There is reduction of the feedback overhead via CS. Besides, we can achieve sum-rate throughput as full feedback. To exploit CS, feedback signal must be sparse. However, because there exist a trade-off between the sparsity and multiplexing gain, we must know how to decide K-sparsity and threshold. Therefore, we drive relation between K-spasity and threshold. These are suitable to ‘actual’ BC feedback channel with CS.
Starting Page	743
Ending Page	747
File Size	126110
Page Count	5
File Format	PDF
ISBN	9781424455850
e-ISBN	9781424455867
DOI	10.1109/ICCAE.2010.5451772
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-26
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Array signal processing AWGN Computer simulation Broadcast technology Throughput Downlink Compressive Sensing Random Beamforming Feedback MIMO Broadcast Channel Broadcasting MIMO Signal to noise ratio
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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