Sciweavers

VTC
2010
IEEE
167views Communications» more  VTC 2010»
13 years 10 months ago
The Impact of Fading on the Outage Probability in Cognitive Radio Networks
Abstract--This paper analyzes the outage probability in cognitive radio networks, based on the Poisson point process model of node spatial distribution and the standard propagation...
Yaobin Wen, Sergey Loyka, Abbas Yongaçoglu
GLOBECOM
2010
IEEE
13 years 10 months ago
A Cognitive Transmission Scheme with the Best Relay Selection in Cognitive Radio Networks
In this paper, we propose a cognitive transmission scheme with the best relay selection in a multiple-relay cognitive radio network to improve the secondary transmission performanc...
YuLong Zou, Jia Zhu, Baoyu Zheng, Sulan Tang, Yu-D...
WIOPT
2010
IEEE
13 years 10 months ago
On the optimal design of MAC protocols in multi-hop ad hoc networks
Abstract—In this paper, we present our results on the performance of MAC protocols in multi-hop wireless ad hoc networks in terms of the newly proposed metric “aggregate multi-...
Mariam Kaynia, Pedro H. J. Nardell, Paulo Cardieri...
WCNC
2010
IEEE
13 years 10 months ago
Switch-And-Stay Transmit Diversity for Cooperative Decode-And-Forward Systems
—We consider the application of switch-and-stay transmit diversity (SSTD) to a three-node cooperative diversity system with decode-and-forward relaying. The basic idea of SSTD ge...
Andreas Müller, Joachim Speidel
VTC
2010
IEEE
145views Communications» more  VTC 2010»
13 years 10 months ago
Performance of Multihop Wireless Links over Generalized-K Fading Channels
— The performance of multihop links is studied in this contribution by both analysis and simulations, when communicating over Generalized-K (KG) fading channels. The performance ...
Jianfei Cao, Lie-Liang Yang, Zhangdui Zhong
TMC
2010
138views more  TMC 2010»
13 years 10 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
TCOM
2010
79views more  TCOM 2010»
13 years 10 months ago
On optimum selection relaying protocols in cooperative wireless networks
—In this letter, the outage probabilities of selection relaying protocols are analyzed and compared for cooperative wireless networks. It is assumed that both source and relay us...
Weifeng Su, Xin Liu
TWC
2008
105views more  TWC 2008»
14 years 10 days ago
Receive Antenna Array Strategies in Fading and Interference: An Outage Probability Comparison
We explore tradeoffs between different reception strategies of multiple receive antennas in fading channels with co-channel interference (CCI). Our tradeoff analysis is based on ou...
Juan M. Romero-Jerez, Andrea J. Goldsmith
TWC
2008
106views more  TWC 2008»
14 years 10 days 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...
TWC
2008
131views more  TWC 2008»
14 years 10 days ago
Optimal transmission strategies for rayleigh fading relay channels
In this paper, a decode-and-forward (DF) single relay model in a Rayleigh fading environment is considered. The outage probability and ergodic rate for this model are derived. With...
Yonglan Zhu, Yan Xin, Pooi Yuen Kam