5657 search results - page 1035 / 1132 » Micropayments for Wireless Communications |
176
click to vote
VTC
2007
IEEE
16 years 20 days ago
2007
IEEE
Abstract—Among radio technologies, multiple-input multipleoutput (MIMO) systems have attracted wide research interests in recent years. It is widely recognized that MIMO systems ...
144
click to vote
VTC
2007
IEEE
16 years 20 days ago
2007
IEEE
— Wireless transmission based on cooperation promises to bring performance improvements in multi–node networks. Several cooperative schemes have appeared in the literature, and...
146
click to vote
VTC
2007
IEEE
16 years 20 days ago
2007
IEEE
Abstract—Group-orthogonal multicarrier code-division multiple access (GO-MC-CDMA) has been proposed as a multiplexing technique for the uplink segment of wireless systems. The di...
173
click to vote
VTC
2007
IEEE
16 years 20 days ago
2007
IEEE
— In this paper, we develop a power distribution scheme for multi-input multi-output (MIMO) [1] multi-carrier (MC) code division multiple access (CDMA) systems [2]-[3] with two-d...
159
click to vote
BTW
2007
Springer
16 years 17 days ago
2007
Springer
: Efficient information sharing is very important for emergency and rescue operations. These operations often have to be performed in environments where no communication infrastruc...