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TWC
2008
106views more  TWC 2008»
13 years 7 months ago
Cooperative communications protocol for multiuser OFDM networks
This paper proposes a relay-based scheme where a fixed number of relays are utilized to design an OFDM cooperative protocol. By exploiting limited feedback from the destination ter...
W. Pam Siriwongpairat, Ahmed K. Sadek, K. J. Ray L...
GLOBECOM
2006
IEEE
14 years 1 months ago
Relay Selection in Multi-Node Cooperative Communications: When to Cooperate and Whom to Cooperate with?
Abstract— In this paper, we propose a new cooperative communication protocol, which achieves high bandwidth efficiency while guaranteeing full diversity order. The proposed sche...
Ahmed S. Ibrahim, Ahmed K. Sadek, Weifeng Su, K. J...
TSP
2011
237views more  TSP 2011»
13 years 2 months ago
A Cooperative Sensing Based Cognitive Relay Transmission Scheme Without a Dedicated Sensing Relay Channel in Cognitive Radio Net
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
YuLong Zou, Yu-Dong Yao, Baoyu Zheng
TWC
2008
105views more  TWC 2008»
13 years 7 months ago
Selection Cooperation in Multi-Source Cooperative Networks
In a cooperative network with multiple potential relays and multiple simultaneous transmissions, we present selection cooperation wherein each source pairs with a single "best...
Elzbieta Beres, Raviraj Adve
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