577 search results - page 37 / 116 » Performance Enhancement of Wireless Communication Systems us... |
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
— This work presents a new amplify-and-forward (AF) cooperative multiple input multiple output (MIMO) transmission scheme based on phase sweep transmit diversity. In a single hop...
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...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) has been adopted in many broadband wireless communication standards. In OFDM systems, channel estimation is a crucial module in co...
COMCOM
2007
13 years 7 months ago
2007
Exploiting spatial reuse opportunities will allow more parallel transmissions and improve the throughput of wireless networks. Power control is one of the major mechanisms used to...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
The IEEE 802.16e system for multicast and broadcast service (MBS) is further investigated over [4]. It is shown that 802.16e networks can exploit advanced transmission and flexibl...