IEEE/ACM Transactions on Networking (TON)
Improving dynamic voltage scaling algorithms with PACE
Proceedings of the 2001 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Modulation scaling for Energy Aware Communication Systems
ISLPED '01 Proceedings of the 2001 international symposium on Low power electronics and design
Energy-efficient packet transmission over a wireless link
IEEE/ACM Transactions on Networking (TON)
Probabilistic performance guarantee for real-time tasks with varying computation times
RTAS '95 Proceedings of the Real-Time Technology and Applications Symposium
Stochastic Analysis of Periodic Real-Time Systems
RTSS '02 Proceedings of the 23rd IEEE Real-Time Systems Symposium
Power management for energy-aware communication systems
ACM Transactions on Embedded Computing Systems (TECS)
Energy-efficient soft real-time CPU scheduling for mobile multimedia systems
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Throughput and Value Maximization in Wireless Packet Scheduling under Energy and Time Constraints
RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
Approximate VCCs: a new characterization of multimedia workloads for system-level MpSoC design
Proceedings of the 42nd annual Design Automation Conference
IEEE Transactions on Computers
Energy-aware wireless systems with adaptive power-fidelity tradeoffs
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
IEEE Communications Surveys & Tutorials
IEEE Transactions on Multimedia
Communication over fading channels with delay constraints
IEEE Transactions on Information Theory
Delay-bounded packet scheduling of bursty traffic over wireless channels
IEEE Transactions on Information Theory
Frequency-aware energy optimization for real-time periodic and aperiodic tasks
Proceedings of the 2007 ACM SIGPLAN/SIGBED conference on Languages, compilers, and tools for embedded systems
Adaptive energy saving scheme for downlink elastic traffic in wireless networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Queue length aware power control for delay- constrained communication over fading channels
Wireless Communications & Mobile Computing
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In this paper, we study the problem of packet scheduling in a wireless environment with the objective of minimizing the average transmission energy expenditure under individual packet delay constraint. Most past studies assumed that the input arrivals follow a Poisson process or be statistically independent. However, traffic from a real source typically has strong time-correlation.We model packet scheduling and queuing system for a general input process in linear time-invariant systems. We propose an energy-efficient packet scheduling policy that takes the correlation into account. Meanwhile, a slower transmission rate implies that packets stay in the transmitter for a longer time, which may result in unexpected transmitter overload and buffer overflow. We derive upper bounds of the maximum transmission rate under an overload probability, and upper bounds of required buffer size under a packet drop rate. Simulation results show that the proposed scheduler improves up to 15% in energy savings compared with the policies that assume statistically independent input. Evaluation of the bounds in providing QoS control shows that both deadline misses and packet drops can be effectively bounded by a predefined constraint.