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Full-Band CQI Feedback by Huffman Compression in 3GPP LTE Systems

by Onkar Dandekar
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 77 - Number 9
Year of Publication: 2013
Authors: Onkar Dandekar
10.5120/13425-1106

Onkar Dandekar . Full-Band CQI Feedback by Huffman Compression in 3GPP LTE Systems. International Journal of Computer Applications. 77, 9 ( September 2013), 37-42. DOI=10.5120/13425-1106

@article{ 10.5120/13425-1106,
author = { Onkar Dandekar },
title = { Full-Band CQI Feedback by Huffman Compression in 3GPP LTE Systems },
journal = { International Journal of Computer Applications },
issue_date = { September 2013 },
volume = { 77 },
number = { 9 },
month = { September },
year = { 2013 },
issn = { 0975-8887 },
pages = { 37-42 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume77/number9/13425-1106/ },
doi = { 10.5120/13425-1106 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:49:51.008928+05:30
%A Onkar Dandekar
%T Full-Band CQI Feedback by Huffman Compression in 3GPP LTE Systems
%J International Journal of Computer Applications
%@ 0975-8887
%V 77
%N 9
%P 37-42
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

3GPP LTE system exhibits a vital feature of Frequency Selective Scheduling(FSS). Frequency scheduling relies on Channel Quality Indicator(CQI) report by the user equipment (UE). The main challenge in CQI reporting consists of reduction in number of reporting bits maintaining the performance of the system. This paper recommends a new CQI reporting approach which uses Huffman compression for reduction of overhead bits for full-band CQI report. Full-band feedback technique transmits entire CQI report instead of reporting limited bands as done in Best-M reporting techniques. The constraint of Huffman coding that the coding table must be known to both transmitter and receiver prior to transmission, is efficiently explored in this technique. Results indicate appreciable reduction in feedback bits as compared to uncompressed full-band reports. Also, full-band Huffman feedback technique shows profound rise in throughput of the system over sub-band feedback techniques.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Huffman compression 3GPP LTE CQI LTE uplink feedback.

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