Sciweavers

100 search results - page 16 / 20
» A Relay Assisted Cooperative Transmission Protocol for Wirel...
Sort
View
JSAC
2007
180views more  JSAC 2007»
13 years 7 months ago
Cooperative Distributed MIMO Channels in Wireless Sensor Networks
— The large number of network nodes and the energy constraints make Wireless Sensor Networks (WSN) one of the most important application fields for Cooperative Diversity. Node c...
Aitor del Coso, Umberto Spagnolini, Christian Ibar...
INFOCOM
1999
IEEE
13 years 12 months ago
Hop Reservation Multiple Access (HRMA) for Ad-Hoc Networks
A new multichannel MAC protocol called Hop-Reservation Multiple Access (HRMA) for wireless ad-hoc networks (multi-hop packet radio networks) is introduced, specified and analyzed. ...
Zhenyu Tang, J. J. Garcia-Luna-Aceves
PIMRC
2008
IEEE
14 years 2 months ago
Distributed digital locked loops for time/frequency locking in packet-based wireless communication
— In infrastructure-less wireless systems network-wise time and frequency synchronization can be achieved by exchanging mutual synchronization errors among neighboring nodes. Coo...
Umberto Spagnolini, Nicola Varanese, Osvaldo Simeo...
GLOBECOM
2007
IEEE
13 years 7 months ago
Cooperative Beamforming for Wireless Ad Hoc Networks
—Via collaborative beamforming, nodes in a wireless network are able to transmit a common message over long distances in an energy efficient fashion. However, the process of mak...
Lun Dong, Athina P. Petropulu, H. Vincent Poor
EUC
2006
Springer
13 years 11 months ago
DiCa: Distributed Tag Access with Collision-Avoidance Among Mobile RFID Readers
Abstract. Advances in wireless and mobile communication technologies have enabled the development of various RFID-based systems and applications in addition to the extension of the...
Kwang-il Hwang, Kyung Tae Kim, Doo Seop Eom