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ICC
2007
IEEE
162views Communications» more  ICC 2007»
14 years 3 months ago
Application of Signal Space Diversity in BICM-ID over Cascaded Rayleigh Fading Channels
— Exploiting signal space diversity (SSD) to improve the error performance of communications systems over fading channels has been shown to be a very effective technique. The app...
Nghi H. Tran, Ha H. Nguyen, Tho Le-Ngoc
COMSUR
2007
101views more  COMSUR 2007»
13 years 9 months ago
A survey of covert channels and countermeasures in computer network protocols
Covert channels are used for the secret transfer of information. Encryption only protects communication from being decoded by unauthorised parties, whereas covert channels aim to ...
Sebastian Zander, Grenville J. Armitage, Philip Br...
VTC
2007
IEEE
14 years 3 months ago
Using Shared Beacon Channel for Fast Handoff in IEEE 802.11 Wireless Networks
— Handoff process in IEEE 802.11 wireless networks must be accomplished with as little interruption as possible to maintain the required quality of service (QoS). Previous resear...
Jaeouk Ok, Pedro Morales, Andreas Darmawan, Hiroyu...
GLOBECOM
2008
IEEE
14 years 3 months ago
On the Statistics and MAC Implications of Channel Estimation Errors in MIMO Ad Hoc Networks
—In this paper, we propose an analytical technique to evaluate the statistics of the channel estimation error in a simple multi-user ad hoc networking scenario. This problem is v...
Davide Chiarotto, Paolo Casari, Michele Zorzi
DOCENG
2008
ACM
13 years 10 months ago
Adaptation of scalable multimedia documents
Several scalable media codecs have been standardized in recent years to cope with heterogeneous usage conditions and to aim at always providing audio, video and image content in t...
Benoît Pellan, Cyril Concolato