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GLOBECOM
2010
IEEE
13 years 7 months ago
Modeling and Analysis for Reactive-Decision Spectrum Handoff in Cognitive Radio Networks
This paper investigates how to characterize the effect of multiple spectrum handoff delay on the extended data delivery time of the secondary users' connections in cognitive r...
Chung-Wei Wang, Li-Chun Wang, Fumiyuki Adachi
WCNC
2010
IEEE
14 years 1 months ago
Throughput Analysis for Cooperation in Random Access Networks
—This paper aims at answering the questions of how to enable cooperative communications in random access networks. And, since cooperation introduces extra transmissions in the ch...
Amr El-Sherif, K. J. Ray Liu
TELETRAFFIC
2007
Springer
14 years 3 months ago
Performance Analysis of a Fluid Queue with Random Service Rate in Discrete Time
We consider a fluid queue in discrete time with random service rate. Such a queue has been used in several recent studies on wireless networks where the packets can be arbitrarily...
Onno J. Boxma, Vinod Sharma, D. K. Prasad
INFOCOM
2008
IEEE
14 years 3 months ago
Power-Adjusted Random Access to a Wireless Channel
—The operation of widely-deployed random access to wireless networks is based on limited information on the result of each access attempt. When making a random access attempt, us...
Young-June Choi, Kang G. Shin
ANSS
2006
IEEE
14 years 3 months ago
Modeling and Optimization for the Design of IMS Networks
The IP Multimedia Subsystem (IMS) is envisioned as the solution for the next generation multimedia rich communication. Based on an open IP infrastructure, it enables convergence o...
Nisha Rajagopal, Michael Devetsikiotis