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GLOBECOM
2010
IEEE
13 years 5 months ago
Relay Station Placement for Cooperative Communications in WiMAX Networks
The recently emerging WiMAX (IEEE 802.16) is a promising telecommunication technology to provide low-cost, high-speed and long-range wireless communications. To meet the growing de...
Dejun Yang, Xi Fang, Guoliang Xue, Jian Tang
SECON
2007
IEEE
14 years 1 months ago
Decentralized Multiuser Diversity with Cooperative Relaying in Wireless Sensor Networks
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
Sam Vakil, Ben Liang
TMC
2010
138views more  TMC 2010»
13 years 6 months ago
Distributed Relay-Assignment Protocols for Coverage Expansion in Cooperative Wireless Networks
—One important application of cooperative communications is to extend coverage area in wireless networks without increasing infrastructure. However, a crucial challenge in implem...
Ahmed K. Sadek, Zhu Han, K. J. Ray Liu
ICC
2008
IEEE
139views Communications» more  ICC 2008»
14 years 2 months ago
OFDM Based Distributed Space Time Coding for Asynchronous Relay Networks
— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
G. Susinder Rajan, B. Sundar Rajan
ICC
2007
IEEE
172views Communications» more  ICC 2007»
14 years 1 months ago
Performance Analysis of Cooperative Diversity Using Equal Gain Combining (EGC) Technique Over Rayleigh Fading Channels
Abstract— Cooperative diversiy is a promising technology for future wireless networks. In this paper, based on the moment generating function (MGF), we derive exact closed-form e...
Salama Ikki, Mohamed H. Ahmed