Dynamic Server Allocation Over Time-Varying Channels With Switchover Delay

Finite time stabilization of time-delay nonlinear systems with uncertainty and time-varying delay

In this paper, the problem of finite-time stability and finite-time stabilization for a specific class of dynamical systems with nonlinear functions in the presence time-varying delay and norm-bounded uncertainty terms is investigated. Nonlinear functions are considered to satisfy the Lipchitz conditions. At first, sufficient conditions to guarantee the finite-time stability for time-delay nonl...

Dynamic server allocation to parallel queues with randomly varying connectivity

Power and Server Allocation in a Multi-Beam Satellite with Time Varying Channels

We consider power and server allocation in a multibeam satellite downlink which transmits data to N different ground locations over N time-varying channels. Packets destined for each ground location are stored in separate queues, and the server rate for each queue i depends on the power pi(t) allocated to that server and the channel state ci(t) according to a concave ratepower curve μi(pi, ci)....

Optimal power allocation over fading channels with stringent delay constraints

We study the optimal power allocation scheme for i.i.d. block-fading channels [1] with a strict transmission delay constraint. In particular, we consider the maximization of the total throughput within a finite interval under a short-term average power constraint. When all the channel gains are known apriori, we demonstrate the mapping between the delayconstrained channel and the corresponding ...

Vector quantization with transmission energy allocation for time-varying channels

This work is concerned with the problem of designing robust, vector quantizer (VQ)-based communication systems for operation over time-varying Gaussian channels. Transmission energy allocation to VQ codeword bits, according to their error sensitivities, is a powerful tool for improving robustness to channel noise. The power of this technique can be further enhanced by appropriately combining it...