577 search results - page 65 / 116 » Performance Enhancement of Wireless Communication Systems us... |
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Opportunistic user access scheduling enhances the capacity of wireless networks by exploiting the multi user diversity. When frame aggregation is used, opportunistic schemes are no...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
- Recently, several MAC protocols using directional antennas, typically referred to as directional MAC protocols, have been proposed for wireless ad hoc networks. However, the MAC ...
ICC
2011
IEEE
12 years 7 months ago
2011
IEEE
—We consider a general wireless channel model for different types of code-division multiple access (CDMA) and space-division multiple-access (SDMA) systems with isometric random ...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
1 Transmission over wireless fading channels under quality of service (QoS) constraints is studied when only the receiver has perfect channel side information. Being unaware of the...
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— Depending on the position of mobile stations in the multihop relay system, various types of cooperative relaying schemes show the different level of throughput and outa...