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This project will focus on the review of several proposed signal processing techniques aiming the particular wireless channel configuration where the transmitter has multiple antennas and the receiver one single antenna. This is in fact the case of macro-cell forward-link channel used by a basestation serving multiple users as applicable to the emerging WiMax applications based on IEEE standard 802.16a.
As claimed by the respective authors, the achieved diversity gain would be very close to that as if same number of multiple receiver antennas had had been used. Also, the scheme would easily be generalized to increase the diversity gain linearly using more receive antennas. Besides, no bandwidth expansion was necessary, namely for information feedback to transmitter, and complexity was similar to MRRC.
The report will be based mainly on the references [2] and [9]. In complement to the class materials [3], the article [6] will be used for theoretical background and/or further clarification.
Proposal in PDF format.
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| [1]
| Ahmed, N.; Baraniuk, R.G; "Asymptotic performance of transmit diversity via OFDM for multipath channels," IEEE Conference on Global Telecommu-nications, Nov 2002, vol. 1, pp. 691-95.
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| [2]
| Alamouti, S. M.; "A simple transmit diversity technique for wireless commu-nications," IEEE Journal on Select Areas in Communications, Oct 1998, vol. 16, no. 8, pp. 1451-58.
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| [3]
| Goldsmith, A.; "EE359 Wireless Communications, Course Reader," 2003.
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| [4]
| Lindskog, E.; Paulraj, A. J.; "A transmit diversity scheme for channels with intersymbol interference," IEEE Conference on International Communica-tions, Jun 2000, vol. 1, pp. 307-11.
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| [5]
| Paulraj, A.; Nabar, R.; Gore, D.; "Introduction to Space-Time Wireless Com-munications," Cambridge University Press 2003.
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| [6]
| Paulraj, A. J.; Papadias, C. B.; "Space-time processing for wireless communications," IEEE Signal Processing Magazine, Nov 1997, pp. 49-83.
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| [7]
| Stuber, G.; "Principles of Mobile Communications," Kluwer Academic Pub-lishers, 2nd Edition, 2001.
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| [8]
| Tarokh, V.; Alamouti, S. M.; Poon, P.; "New detection schemes for transmit diversity with no channel estimation," IEEE International Conference on Uni-versal Personal communications, Oct 1998, vol. 2, pp. 917-20.
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| [9]
| Winters, J. H.; "The diversity gain of transmit diversity in wireless systems with Rayleigh fading," IEEE Transactions on Vehicular Technology, Feb 1998, vol. 47, no. 1, pp. 119-23.
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