Paper Info
Title
Effective scheme of channel tracking and estimation for mobile WiMAX DL-PUSC system
Abstract
This paper introduces an effective joint scheme of channel estimation and tracking for downlink partial usage of subchannel (DL-PUSC) mode of mobile WiMAX system. Based on the pilot pattern of this particular system, some channel estimation methods including conventional interpolations and a more favorable least-squares line fitting (LSLF) technique are comparatively studied. Besides, channel estimation performance can be remarkably improved by taking advantage of channel tracking derived from the preamble symbol. System performances in terms of packet error rate (PER) and user link throughput are investigated in various channels adopted from the well-known ITU models for mobile environments. Simulation results show a significant performance enhancement when the proposed joint scheme is utilized, at least 5 dB, compared to only commonly used channel estimation approaches.
Year
DOI
Venue
2010
10.1155/2010/806279
Journal Comp. Netw. and Communic.
Keywords
Field
DocType
mobile wimax system,mobile environment,particular system,effective scheme,channel tracking,mobile wimax dl-pusc system,system performance,channel estimation performance,various channel,channel estimation method,effective joint scheme,channel estimation,channel estimation approach
Preamble,Computer science,Interpolation,Communication channel,Real-time computing,WiMAX,Line fitting,Throughput,Telecommunications link,Bit error rate
Journal
Volume
Citations 
PageRank 
2010,
2
0.43
References 
Authors
4
2
Name
Order
Citations
PageRank
Phuong Thi Thu Pham131.18
Tomohisa Wada2114.25