Channel estimation for OFDMA uplink: a hybrid of linear and BEM interpolation approach
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Ma, Y and Tafazolli, R (2007) Channel estimation for OFDMA uplink: a hybrid of linear and BEM interpolation approach IEEE TRANSACTIONS ON SIGNAL PROCESSING, 55 (4). 1568 - 1573. ISSN 1053-587X
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Abstract
We consider the channel estimation for the subband orthogonal frequency-division multiple-access (OFDMA) uplink. The channel for each subband is modeled by combing the linear and Fourier basis-expansion functions. Based on this mode, a two-dimensional interpolation approach is proposed for the channel estimation, which is carefully investigated in terms of estimation error and pilot placement.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Technology, Engineering, Electrical & Electronic, Engineering, channel estimation, Doppler shifts, interpolation, orthogonal frequency-division multiple access (OFDMA), time varying, uplink, BLOCK TRANSMISSIONS, FADING CHANNELS, WIRELESS |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research |
| Related URLs: | |
| ID Code: | 1835 |
| Deposited By: | Mr Adam Field |
| Deposited On: | 27 May 2010 15:45 |
| Last Modified: | 16 Feb 2013 15:17 |
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