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Providing QoS support is crucial to guarantee effective transportation of multimedia service for ad hoc network. In this paper, a QoS multicast routing algorithm with bandwidth and delay constraints was proposed. It utilizes genetic algorithm to search optimized multicast tree which satisfies the QoS requirement. The simulation results show that the algorithm has fast convergence and high routing...
QoS guarantee in mobile ad hoc network is a challenging problem and has received much attention. Although the access policy with reservation of TDMA can support some QoS services, the extra delay introduced by its time multiplexed communication make it can not be adapted to large scale network. To solve the problem, we propose a heuristic optimal delay routing algorithm which chooses delay as the...
Energy conservation in ad hoc network is a challenging problem. However, simply maintain residual energy or adjust transmitting power of mobile nodes can not certainly achieve energy efficiency. In this paper, we analyze the energy consumption in the case of end-to-end and hop-by-hop retransmission by concerning with the link error. In addition, we define new link cost based on such schemes and apply...
Routing protocols play an important role for communications in MANET. Most of the protocols, however, use a single route and do not utilize multiple alternate paths. Thus a dynamic multi-path source routing (DMSR) protocol is proposed to improve existing on-demand routing protocols. It consists of three major phases, namely routing discovery, multi-path routing selecting and routing maintenance. In...
Mobile ad hoc network (MANET) is a multi-hop temporary autonomous system of mobile nodes with wireless transmitters and receivers without the aid of pre-established network infrastructure. With the development of network and demand of users, QoS has become one of the focus issues. A new routing protocol is proposed in this paper, which can provide QoS guarantee. In the route discovery phase, it finds...
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