331 search results - page 32 / 67 » Optimal Cooperative Relaying Schemes in IR-UWB Networks |
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
—Underwater acoustic channel usually has low data rate, long propagation delay, severe multipath effect, and time varying fading. Cooperative transmission is a new wireless commu...
VTC
2010
IEEE
13 years 5 months ago
2010
IEEE
—A simple cooperative diversity technique is applied to point-to-multipoint communication in wireless medium suffering from Rayleigh block fading. Such a concept is especially in...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—In a distributed wireless network, it is possible to employ several relays and mimic a multiple antenna transmission system. In this paper we propose a MAC layer solution that a...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Two driving goals for cognitive radio (CR) technique are maximizing spectrum utilization and avoiding interference to primary users. In this paper, we deal with the CR ...
WCNC
2008
IEEE
14 years 1 months ago
2008
IEEE
— Diversity techniques are an effective answer to the challenges presented by fading channels. This paper focuses on studying the performance of systems with diversity of three f...