Sciweavers

1559 search results - page 59 / 312
» Cooperative Communications
Sort
View
INFOCOM
2010
IEEE
14 years 8 months ago
Cooperative Boundary Detection for Spectrum Sensing Using Dedicated Wireless Sensor Networks
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
Yanyan Yang, Yunhuai Liu, Qian Zhang, Lionel M. Ni
INFOCOM
2008
IEEE
15 years 4 months ago
Design and Evaluation of a Routing-Informed Cooperative MAC Protocol for Ad Hoc Networks
—Cooperative relaying has been shown to provide diversity gains which can significantly improve the Packet Error Rate (PER) in wireless transmissions. In ad hoc wireless routing...
Hermann S. Lichte, Stefan Valentin, Holger Karl, I...
CSCW
2002
ACM
14 years 9 months ago
Why distance matters: effects on cooperation, persuasion and deception
In this study, we examine how geographic distance affects collaboration using computer-mediated communication technology. We investigated experimentally the effects of cooperating...
Erin Bradner, Gloria Mark
ICC
2007
IEEE
172views Communications» more  ICC 2007»
15 years 4 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
VTC
2007
IEEE
124views Communications» more  VTC 2007»
15 years 4 months ago
Near-Instantaneously Adaptive Cooperative Uplink Schemes Based on Space-Time Block Codes and V-Blast
- In this paper we propose two adaptive schemes for improving the achievable Bandwidth Efficiency (BE) of cooperative diversity aided wireless networks. These schemes are capable ...
Mohammed El-Hajjar, Salam A. Zummo, Lajos Hanzo