114 search results - page 6 / 23 » On-demand diversity wireless relay networks |
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—Existing cooperative diversity protocols are designed with the inherent assumption that users exhibit cooperative behavior all the time. However, in a practical cooperative wire...
TMC
2008
13 years 9 months ago
2008
Collaborative relays achieve the benefits of spatial diversity without requiring physical antenna arrays at end devices. While many studies have demonstrated its effectiveness in a...
TWC
2008
13 years 9 months ago
2008
In this paper, the impact of user relaying on the behavior of a relay node, which acts as the source node at the same time, is analyzed in a wireless relay network at the packet le...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— This paper proposes a medium access control (MAC) algorithm, called Cooperative Diversity MAC (CD-MAC), which exploits the cooperative communication capability to improve robus...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— In this paper, we consider a 2-hop wireless diversity relay network. We explore transmit power allocation among the source and relays to maximize the received signal to noise r...