Performance Guarantees in Communication Networks
Performance Guarantees in Communication Networks
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Information Theory and Reliable Communication
Information Theory and Reliable Communication
Wireless Communications
Wireless communications systems and networks
Wireless communications systems and networks
IEEE/ACM Transactions on Networking (TON) - Special issue on networking and information theory
Fundamentals of Queueing Theory
Fundamentals of Queueing Theory
A cautionary perspective on cross-layer design
IEEE Wireless Communications
Effective capacity: a wireless link model for support of quality of service
IEEE Transactions on Wireless Communications
Quality-of-Service Driven Power and Rate Adaptation over Wireless Links
IEEE Transactions on Wireless Communications
Capacity of fading channels with channel side information
IEEE Transactions on Information Theory
Fading channels: information-theoretic and communications aspects
IEEE Transactions on Information Theory
The throughput of hybrid-ARQ protocols for the Gaussian collision channel
IEEE Transactions on Information Theory
Communication over fading channels with delay constraints
IEEE Transactions on Information Theory
Centralized Wireless Data Networks With User Arrivals and Departures
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Optimal Rate Control for Delay-Constrained Data Transmission Over a Wireless Channel
IEEE Transactions on Information Theory
Hidden Markov modeling of flat fading channels
IEEE Journal on Selected Areas in Communications
A model for the multipath delay profile of fixed wireless channels
IEEE Journal on Selected Areas in Communications
Resource management in wide-area ATM networks using effective bandwidths
IEEE Journal on Selected Areas in Communications
Computers and Electrical Engineering
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The design of wireless communication schemes tailored to real-time traffic requires an analysis framework that goes beyond the traditional criterion of data throughput. This work considers an approach that relates physical system parameters to the queueing performance of wireless links. The potential benefits of multi-rate techniques such as hybrid-ARQ are assessed in the context of delay-sensitive traffic using large deviations. A continuous-time Markov channel model is employed to partition the instantaneous data-rate received at the destination into a finite number of states, each representing a mode of operation of the hybrid-ARQ scheme. The proposed methodology accounts for the correlation of the wireless channel across time, which is computed in terms of level-crossing rates. The tail asymptote governing buffer overflow probabilities at the transmitter is then used to provide a measure of overall performance. This approach leads to a characterization of the effective capacity of the system which, in turn, is applied to quantify the performance advantages of hybrid-ARQ over traditional schemes.