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ICASSP
2009
IEEE
14 years 2 months ago
Time-varying Opportunistic Protocol for maximizing sensor networks lifetime
We consider transmission scheduling by medium access control (MAC) protocols for energy limited wireless sensor networks (WSN) in order to maximize the network lifetime. Time-vary...
Kobi Cohen, Amir Leshem
GLOBECOM
2009
IEEE
14 years 2 months ago
Model-Based Opportunistic Channel Access in Dynamic Spectrum Access Networks
Abstract—We propose a model-based channel access mechanism for cognitive radio-enabled secondary network, which opportunistically uses the channel of an unslotted primary network...
Manuj Sharma, Anirudha Sahoo, K. D. Nayak
PIMRC
2010
IEEE
13 years 5 months ago
Contact surround in opportunistic networks
Abstract--Is the temporal dimension alone sufficient to characterize contacts in opportunistic networks? Several studies analyze the temporal aspect of contacts with significant re...
Nadjet Belblidia, Marcelo Dias de Amorim, Jeremie ...
AINA
2009
IEEE
13 years 5 months ago
Approximating Travel Times Using Opportunistic Networking
Determining the time and means by which to travel from location A to location B for a person utilising a MANET requires the dissemination of both realtime and historic data. In thi...
Rudi Ball, Naranker Dulay
CORR
2007
Springer
119views Education» more  CORR 2007»
13 years 7 months ago
Hybrid-ARQ in Multihop Networks with Opportunistic Relay Selection
This paper develops a contention-based opportunistic feedback technique towards relay selection in a dense wireless network. This technique enables the forwarding of additional pa...
Caleb K. Lo, Robert W. Heath Jr., Sriram Vishwanat...