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Traditional algorithms of VRP often did not consider the loading rate of vehicle, which will partially effects the fuel consumption of the vehicle. So if considering the fuel consumption, there needs a new algorithm to find the optional route of VRP with lowest fuel consumption. Then the genetic algorithm of the model was designed and solved. The simulation result showed that the algorithm is a good...
A huge number of routing protocols have been proposed for ad hoc networks to improve the networks' performance. Because of the large number of designs, it's difficult to track all the designs and choose the optimal protocol for an ad hoc network under various scenarios. In addition, it is not clear if any of the original design ideas in the huge number of existing works can be combined to form new...
A huge number of routing protocols have been proposed for ad hoc networks to improve the networks' performance. Because of the large number of designs, it's difficult to track all the designs and choose the optimal protocol for an ad hoc network under various scenarios. Fortunately, a novel architecture named Orchestra has been proposed by Dr. Yaling, Virginia Tech, USA. The architecture decomposed...
Routing and wavelength assignment problem in wavelength division multiplexed optical network is represented as an integer linear program which is found to be NP-complete. Our attention is devoted to such networks operating under wavelength continuity constraint, in which a lightpath must occupy the same wavelength on all the links it traverses. In setting up a lightpath, a route must be selected and...
Differential evolution (DE) algorithm is a heuristic approach that gains more interest in today's research. It finds the true global minimum regardless of the initial parameter values, fast convergence, and using few control parameters. DE algorithm is a population based algorithm like genetic algorithm using similar operators; crossover, mutation and selection. This paper addresses the restrictive...
Energy-aware multicast communication in mobile ad hoc networks (MANET) is an important issue due to the power constraint of battery in each mobile node. In this paper, we propose an energy-aware multicast routing problem for MANET that finds a path for each node-pair connecting the source node and the destination set such that any node in each path does not run out of its power during the transmission...
Energy-saving is one of the inevitable problems of the routing design in wireless sensor networks. The article obtains network routings by genetic algorithm, and the genetic algorithm has been improved by using data fusion and the model of wireless energy transmission. The simulation results show that the improved algorithm has made great progress in balancing the consumption of energy so as to prolong...
Wireless mesh networks (WMN) are emerging as an attractive technology for providing broadband connectivity to mobile clients who are just on the edge of wired networks, and also for building self-organized networks in places where wired infrastructures are not available or not deemed to be worth deploying. This paper investigates the joint link scheduling and routing issues involved in the delivery...
Vehicle routing problem with time windows (VRPTW) is a well-known and complex combinatorial problem, which has received considerable attention in recent years. In this paper, we propose an improved genetic algorithm to solve the VRPTW problem. The proposed approach, called IGA, employs two novel genetic operators. To verify the performance of IGA, we test it on six famous benchmark problems. Simulation...
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