Chen, Yunfei and Beaulieu, Norman C. (2007) Optimum pilot symbol assisted modulation. IEEE Transactions on Communications, Vol.55 (No.8). pp. 1536-1546. doi:10.1109/TCOMM.2007.902553 ISSN 0090-6778.

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Abstract

Optimum detectors for pilot symbol assisted modulation (PSAM) signals in Rayleigh and Rician fading channels are derived. Conventional PSAM as used on Rayleigh fading channels is also employed on Rician fading channels. It is shown that the conventional PSAM receiver is optimal for binary phase shift keying in Rayleigh fading but suboptimal for Rician fading and suboptimal for 16-ary quadrature amplitude modulation in Rayleigh fading. The optimum PSAM signal detector uses knowledge of the specular component and also jointly processes the pilot symbols and the data symbol. The performance of the optimum detector is analyzed and compaied with that of the conventional detector. It is concluded that substantial gains can be achieved by exploiting knowledge of the specular component while joint processing of the data symbol with the pilot symbols may offer small benefits.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title:	IEEE Transactions on Communications
Publisher:	IEEE
ISSN:	0090-6778
Official Date:	August 2007
Dates:	Date Event August 2007 Published
Volume:	Vol.55
Number:	No.8
Number of Pages:	11
Page Range:	pp. 1536-1546
DOI:	10.1109/TCOMM.2007.902553
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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