NDLI: Random Element Quantization for Finite Rate Feedback Systems

Content Provider	IEEE Xplore Digital Library
Author	Ardah, K. Moreira, D.C. Silva, Y.C.B. Freitas, W.C. Cavalcanti, F.R.P.
Copyright Year	2015
Description	Author affiliation: Wireless Telecommun. Res. Group (GTEL), Fed. Univ. of Ceara, Fortaleza, Brazil (Ardah, K.; Moreira, D.C.; Silva, Y.C.B.; Freitas, W.C.; Cavalcanti, F.R.P.)
Abstract	Finite rate feedback model based on Random Vector Quantization (RVQ) is efficient in terms of number of feedback bits. However, the required scaling of feedback bits (codebook size) to achieve full multiplexing gain becomes extremely large with high Signal-to-Noise Ratio (SNR) and might not be practical. This paper considers the use of a Random Element Quantization (REQ) approach, which quantizes the channel vector element-wise. A simple statistics is calculated and the presented simulation results validate our calculations. The main primary result is that, the required codebook size per receiver to achieve full multiplexing gain is kept very small, which would avoid high computational complexity and memory usage.
Starting Page	1
Ending Page	5
File Size	183770
Page Count	5
File Format	PDF
ISBN	9781479980888
DOI	10.1109/VTCSpring.2015.7146039
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quantization (signal) Receivers Transmitters Signal to noise ratio Multiplexing Bit error rate Indexes
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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