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The main purpose of the paper is to present sophisticated means to implement Q-guidance scheme in satellite injection missions. Optimality and simplicity of Q-guidance approach makes it appropriate for practical settings of a wide range of launch systems. Calculation of required velocity as a fundamental and inherent concept of Q-guidance implementation for orbital injection missions has been proposed...
The optimization algorithms which are inspired from intelligent behavior of honey bees are among the most recently introduced techniques. In this paper, a novel algorithm called bee swarm optimization, or BSO, is presented. The BSO is a population based optimization technique which is inspired from foraging behavior of honey bees. The proposed approach provides different patterns which are used by...
We present, for the first time, a formal model for the general problem of uplink scheduling of a set of packets with various QoS classes and soft or hard deadlines. Our goal is to maximize the value of packets to be sent in uplink such that the expectations from the system are guaranteed. We use our general model and the properties of the application to derive an algorithm which has two highly favorable...
This paper focuses on a recent application of real-time scheduling in wireless communications industry; i.e., uplink scheduling for WiMAX systems. We address the problem of maximizing the number of packets to be sent in uplink such that the expectations from the system are guaranteed. In this work, we present, for the first time, a formal model for the general problem. Then, we use the properties...
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