Title
Pilot-Aided Channel Estimation For Wimax 802.16e Downlink Partial Usage Of Subchannel System Using Least Squares Line Fitting
Abstract
This paper presents a pilot-aided channel estimation method which is particularly suitable for mobile WiMAX 802.16e Downlink Partial Usage of Subchannel mode. Based on this mode, several commonly used channel estimation methods are studied and the method of least squares line fitting is proposed. As data of users are distributed onto permuted clusters of subcarriers in the transmitted OFDMA symbol, the proposed channel estimation method utilizes these advantages to provide better performance than conventional approaches while offering remarkably low complexity in practical implementation. Simulation results with different ITU-channels for mobile environments show that depending on situations, enhancement of 5 dB or more in term of SNR can be achieved.
Year
DOI
Venue
2010
10.1587/transcom.E93.B.1494
IEICE TRANSACTIONS ON COMMUNICATIONS
Keywords
Field
DocType
channel estimation, IEEE 802.16e, OFDMA, downlink PUSC, least squares line fitting
Least squares,Telecommunications,Computer science,Signal-to-noise ratio,Algorithm,Communication channel,WiMAX,Line fitting,Frequency-division multiple access,Orthogonal frequency-division multiplexing,Distributed computing,Telecommunications link
Journal
Volume
Issue
ISSN
E93B
6
0916-8516
Citations 
PageRank 
References 
1
0.41
2
Authors
2
Name
Order
Citations
PageRank
Phuong Thi Thu Pham131.18
Tomohisa Wada2114.25