Stochastic dynamic programming and the control of queueing systems
Stochastic dynamic programming and the control of queueing systems
IEEE/ACM Transactions on Networking (TON)
Energy-efficient packet transmission over a wireless link
IEEE/ACM Transactions on Networking (TON)
Dynamic Control of a Queue with Adjustable Service Rate
Operations Research
Analysis, Design, and Control of Queueing Systems
Operations Research
Fading channels: information-theoretic and communications aspects
IEEE Transactions on Information Theory
Communication over fading channels with delay constraints
IEEE Transactions on Information Theory
Dynamic power control in a fading downlink channel subject to an energy constraint
Queueing Systems: Theory and Applications
Dynamic Control of a Multiclass Queue with Thin Arrival Streams
Operations Research
A calculus approach to energy-efficient data transmission with quality-of-service constraints
IEEE/ACM Transactions on Networking (TON)
Distributive stochastic learning for delay-optimal OFDMA power and subband allocation
IEEE Transactions on Signal Processing
On the performance evaluation of query-based wireless sensor networks
Performance Evaluation
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A controller dynamically chooses a state-dependent transmission rate on a static, point-to-point wireless link by varying transmission power over time. The transmitter is modeled as a finite-buffer Markovian queue with adjustable service rates. That is, data packets arrive to the system according to a Poisson process, and packet size is exponentially distributed. The controller chooses a transmission rate from a fixed set A of available values, depending on the backlog in the system. The objective is to minimize long-run average energy consumption subject to a quality-of-service constraint, which is expressed as an upper bound on the packet drop rate. An explicit formula is developed for the optimal transmission rate as a function of the packet queue length.