170 search results - page 10 / 34 » Building blocks of cooperative relaying in wireless systems |
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In this paper, a two-hop relay assisted cooperative Orthogonal Space-Time Block Codes (OSTBC) transmission scheme is considered for the downlink communication of a cellular system,...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Fixed and mobile relays are used, among other applications, in the downlink of cellular communications systems. Cooperation between relays can greatly increase their benefits ...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
This paper presents a cross-layer approach to jointly design adaptive modulation and coding (AMC) at the physical layer and cooperative truncated automatic repeat request (ARQ) pro...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—A key technology in cooperative communications is distributed space-time coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called randomize...
SECON
2007
IEEE
14 years 2 months ago
2007
IEEE
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...