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MSWIM
2009
ACM
14 years 2 months ago
The MAC unreliability problem in IEEE 802.15.4 wireless sensor networks
In recent years, the number of sensor network deployments for real-life applications has rapidly increased and it is expected to expand even more in the near future. Actually, for...
Giuseppe Anastasi, Marco Conti, Mario Di Francesco
ADHOC
2006
97views more  ADHOC 2006»
13 years 7 months ago
A probabilistic algorithm for efficient and robust data propagation in wireless sensor networks
We study the problem of data propagation in sensor networks, comprised of a large number of very small and low-cost nodes, capable of sensing, communicating and computing. The dis...
Ioannis Chatzigiannakis, Tassos Dimitriou, Sotiris...
GLOBECOM
2009
IEEE
13 years 11 months ago
CoRe-MAC: A MAC-Protocol for Cooperative Relaying in Wireless Networks
Cooperative relaying methods can improve wireless links, but introduce overhead due to relay selection and resource reservation compared to non-cooperative transmission. In order t...
Helmut Adam, Wilfried Elmenreich, Christian Bettst...
VTC
2007
IEEE
100views Communications» more  VTC 2007»
14 years 1 months ago
Space-Time Trellis Coding Exploiting Superimposed Transmissions in Half-Duplex Relay Networks
— This work presents and analyzes a cooperative relaying approach which offers large scale spatial diversity and an additional coding advantage in a virtual antenna array. It uti...
Peter Rost, Gerhard Fettweis
TCOM
2008
91views more  TCOM 2008»
13 years 7 months ago
On the Performance of Opportunistic Cooperative Wireless Networks
Abstract--The aim of this paper is to study the impact of channel state information on the design of cooperative transmission protocols. This is motivated by the fact that the perf...
Zhiguo Ding, Yu Gong, Tharmalingam Ratnarajah, C. ...