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A Comparative Study of Initial Downlink Channel Estimation Algorithms for Mobile WiMAX
 

Summary: A Comparative Study of Initial Downlink Channel
Estimation Algorithms for Mobile WiMAX
Tevfik Y¨ucek, M. Kemal ¨Ozdemir, H¨useyin Arslan, and Francis E. Retnasothie
University of South Florida, Department of Electrical Engineering
4202 E. Fowler Avenue, Tampa, FL, 33613
Logus Broadband Wireless Solutions USA
3803 Corporex Park Plaza Suite 700, Tampa, FL 33619
Logus Broadband Wireless Solutions
1501 Ellesmere Road, Toronto, Canada M1P 4T6
Abstract-- Fourth generation (4G) wireless products are ex-
pected to be based on worldwide interoperability for microwave
access (WiMAX) systems. It is the optimized receiver algorithms
that will differentiate competitive products. In this paper, an
important receiver algorithm, channel estimation, is studied for
mobile WiMAX systems (IEEE 802.16e-2005). Various channel
estimation algorithms are studied and compared for initial
channel estimation in downlink of IEEE 802.16e-2005. Various
methods are analyzed in terms of their computational complexity,
mean square error and bit error rate performances under
different channel models.

  

Source: Arslan, Hüseyin - Department of Electrical Engineering, University of South Florida

 

Collections: Engineering