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CORR
2008
Springer
116views Education» more  CORR 2008»
13 years 7 months ago
Throughput-Delay Trade-off for Hierarchical Cooperation in Ad Hoc Wireless Networks
Hierarchical cooperation has recently been shown to achieve better throughput scaling than classical multihop schemes in static wireless networks. However, the end-to-end delay of ...
Ayfer Özgür, Olivier Lévêqu...
ICASSP
2011
IEEE
12 years 11 months ago
Optimal transmission strategies for channel capture mitigation in Cognitive Radio Networks
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
Yingxi Liu, Nikhil Kundargi, Ahmed H. Tewfik
SECON
2010
IEEE
13 years 5 months ago
Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
Lei Ding, Tommaso Melodia, Stella N. Batalama, Joh...
CN
2007
100views more  CN 2007»
13 years 7 months ago
Overlay architectures for file distribution: Fundamental performance analysis for homogeneous and heterogeneous cases
Peer-to-peer networks have been commonly used for tasks such as file sharing or file distribution. We study a class of cooperative file distribution systems where a file is br...
Ernst W. Biersack, Damiano Carra, Renato Lo Cigno,...
ICASSP
2011
IEEE
12 years 11 months ago
Distributed multiaccess in hierarchical cognitive radio networks
The problem of distributed multiuser medium access of a hierarchical cognitive radio network with multiple primary and secondary users is considered. Each primary user has a licen...
Shiyao Chen, Lang Tong