89 search results - page 17 / 18 » Cooperative Transmission Scheme to Increase Gain by Using ST... |
INFOCOM
2002
IEEE
13 years 9 months ago
2002
IEEE
— Directional antennas can be useful in significantly increasing node and network lifetime in wireless ad hoc networks. In order to utilize directional antennas, an algorithm is ...
INFOCOM
2006
IEEE
13 years 10 months ago
2006
IEEE
— In autonomous mobile ad hoc networks (MANET) where each user is its own authority, fully cooperative behaviors, such as unconditionally forwarding packets for each other or, ho...
MOBICOM
2009
ACM
13 years 11 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Peak-to-average power ratio (PAR) reduction in OFDM using antenna arrays (MIMO OFDM) is considered. In particular, generalizations of selected mapping (SLM) recently proposed in...
ICWMC
2006
IEEE
13 years 10 months ago
2006
IEEE
Although directional antennas have been used in mobile communications systems for quite a long time, realistic applications of directional or smart antennas in wireless ad hoc net...