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PEWASUN
2004
ACM
16 years 4 days ago
A modified IEEE 802.11 MAC protocol for MC-CDMA
In this paper, we introduce a modified version of the IEEE 802.11a protocol and evaluate its performance. The new protocol is a combination of the standard Medium Access Control (...
Georgios Orfanos, Jörg Habetha, Ling Liu
HUC
1999
Springer
15 years 11 months ago
The Role of Connectivity in Supporting Context-Sensitive Applications
This paper considers the role of network connectivity in supporting context-sensitive applications. A range of context-sensitive applications are analysed with respect to connectiv...
Keith Cheverst, Nigel Davies, Keith Mitchell, Adri...
IWCMC
2010
ACM
15 years 8 months ago
Synthetic aperture radar construction of spectrum map for cognitive radio networking
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
Tsung-Wei Chiang, Kwang-Cheng Chen
INTERACT
2007
15 years 8 months ago
Daily Activities Diarist: Supporting Aging in Place with Semantically Enriched Narratives
The Daily Activities Diarist is an awareness system that supports social connectedness between seniors living alone and their social intimates. The Daily Activities Diarist extract...
Georgios Metaxas, Barbaros Metin, Jutta Schneider,...
JCO
2008
134views more  JCO 2008»
15 years 6 months ago
On minimum m -connected k -dominating set problem in unit disc graphs
Minimum m-connected k-dominating set problem is as follows: Given a graph G = (V,E) and two natural numbers m and k, find a subset S V of minimal size such that every vertex in V ...
Weiping Shang, F. Frances Yao, Peng-Jun Wan, Xiaod...