466 search results - page 62 / 94 » Opportunistic networking in OMNeT |
TWC
2010
13 years 3 months ago
2010
Delay Tolerant Networks (DTNs) are a class of networks characterized by lack of guaranteed connectivity, typically low frequency of encounters between DTN nodes and long propagatio...
WICON
2008
13 years 10 months ago
2008
We study a routing problem in wireless sensor networks where sensors are duty-cycled. When sensors alternate between on and off modes, delay encountered in packet delivery due to ...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
This paper addresses the issue of network life during repeated broadcasts originating from the same source in large, strip-shaped wireless sensor networks. The proposed technique w...
JSAC
2011
13 years 3 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
It is well-known that opportunistic transmission schemes are sumcapacity optimal, in the Shannon sense, for symmetric cellular networks with single-antenna transceivers. However, ...