Title	The Eigenmode Transmission Coupled with Space-Time Codes in Adaptive Power Allocation MIMO Systems
Author	Zhaogan Lu, Yongli Zhang, Jiancheng Sun, Taiyi Zhang
Citation	Vol. 7  No. 10  pp. 194-201
Keywords	MIMO, OFDM, space time codes, eigenmodes, power allocation

Title	Performance Improvement of the Cognitive Radio Networks with User Cooperation
Author	Zhi Gang Duan, Ming Li Zhang, Xiang Xu
Citation	Vol. 8  No. 9  pp. 121-126
Keywords	Cognitive Radio, Cooperation, Interference Temperature, Power Allocation, Rate Maximization