504 search results - page 36 / 101 » Virtual coordinates for ad hoc and sensor networks |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
– MIMO (Multiple Input Multiple Output) is capable of offering several-fold increase in spectral efficiency over singleantenna systems through spatial processing. However, curren...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— An opportunistic large array (OLA) is a form of cooperative diversity in which a large group of simple, inexpensive relays or forwarding nodes operate without any mutual coordi...
ALGOSENSORS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Wireless sensor networks benefit from communication protocols that reduce power requirements by avoiding frame collision. Time Division Media Access methods schedule tra...
SASN
2003
ACM
14 years 1 months ago
2003
ACM
The purpose of this work is to automate the analysis of ad hoc routing protocols in the presence of attackers. To this end, a formal model of protocol behavior is developed in whi...
ECRTS
2007
IEEE
14 years 2 months ago
2007
IEEE
Since wireless ad-hoc networks use shared communication medium, accesses to the medium must be coordinated to avoid packet collisions. Transmission scheduling algorithms allocate ...