Paper Info
Title
A Novel Method of Limited Channel Feedback for OFDMA Systems
Abstract
In this paper, we propose a new limited channel feedback algorithm for Orthogonal Frequency Division Multiple Access (OFDMA) systems. The proposed method reports channel information of relative maximum and minimum points of the channel gain from users to base station (BS). Based on the feedback information, BS reconstructs the channel for all the subcarriers using linear interpolation. Compared with the full CSI reporting, the proposed scheme requires only 1/60 feedback information at the expense of 1% throughput loss. Simulation results show that the proposed scheme provides an attractive tradeoff between uplink feedback amount and downlink system performance compared to the conventional limited feedback techniques.
Year
DOI
Venue
2009
10.1109/VETECF.2009.5378843
VTC Fall
Keywords
Field
DocType
base station,channel state information,csi,downlink system performance,limited channel feedback algorithm,interpolation,ofdm modulation,ofdma systems,telecommunication channels,orthogonal frequency division multiple access systems,frequency division multiple access,linear interpolation,channel gain,throughput loss,channel information,fading,ofdm,throughput,downlink,system performance,resource management,signal to noise ratio
Computer science,Fading,Communication channel,Orthogonal frequency-division multiple access,Electronic engineering,Throughput,Frequency-division multiple access,Orthogonal frequency-division multiplexing,Channel state information,Telecommunications link
Conference
ISSN
ISBN
Citations 
1090-3038 E-ISBN : 978-1-4244-2515-0
978-1-4244-2515-0
0
PageRank 
References 
Authors
0.34
6
6
Name
Order
Citations
PageRank
Sunhyoung Kwon111819.95
Namjeong Lee2284.17
Keonkook Lee310510.10
Joonhyuk Kang440764.13
Gye-Tae Gil515214.03
Se-jun Park600.68