On Mar. 23, 2006, a project in the Major Program of NSFC - 'Evolutionary computation and its application', managed by Prof. Licheng Jiao, Prof. Lishan Kang, Prof. Zhenya He, and Prof. Tao Xie, passed its Final...On Mar. 23, 2006, a project in the Major Program of NSFC - 'Evolutionary computation and its application', managed by Prof. Licheng Jiao, Prof. Lishan Kang, Prof. Zhenya He, and Prof. Tao Xie, passed its Final Qualification Process and was evaluated as Excellent.展开更多
For the frequency selective and time variant multiple-input multiple-output(MIMO)channel model taking into account transmitting and receiving antenna correlation,the diversity of space-time-frequency coded broadband o...For the frequency selective and time variant multiple-input multiple-output(MIMO)channel model taking into account transmitting and receiving antenna correlation,the diversity of space-time-frequency coded broadband orthogonal frequency division multiplexing(MIMO-OFDM)system is analyzed.Based on the average pairwise error probability(PEP),the design criterion of space-time-frequency code(STFC)is expanded.For a given STFC,it is found that the achievable diversity order is related to the transmitter and the receiver correlation matrix as well as the time correlation and frequency correlation matrix.The maximum available diversity of STFC over the correlation channel is Lrank(P)rank(Q)rank(RT).The space-time code and space-frequency code are special cases in our approach.Simulation results validate the findings.展开更多
文摘On Mar. 23, 2006, a project in the Major Program of NSFC - 'Evolutionary computation and its application', managed by Prof. Licheng Jiao, Prof. Lishan Kang, Prof. Zhenya He, and Prof. Tao Xie, passed its Final Qualification Process and was evaluated as Excellent.
基金supported by the National Natural Science Foundation of China (Grant Nos.60496310,60272046)the National Hi-Tech Research and Development Program of China (No.2002AA123031)+1 种基金the Natural Science Foundation of Jiangsu Province,China (No.BK2005061)the Grant of Ph.D Programs of Ministry of Education of China (No.20020286014).
文摘For the frequency selective and time variant multiple-input multiple-output(MIMO)channel model taking into account transmitting and receiving antenna correlation,the diversity of space-time-frequency coded broadband orthogonal frequency division multiplexing(MIMO-OFDM)system is analyzed.Based on the average pairwise error probability(PEP),the design criterion of space-time-frequency code(STFC)is expanded.For a given STFC,it is found that the achievable diversity order is related to the transmitter and the receiver correlation matrix as well as the time correlation and frequency correlation matrix.The maximum available diversity of STFC over the correlation channel is Lrank(P)rank(Q)rank(RT).The space-time code and space-frequency code are special cases in our approach.Simulation results validate the findings.