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This paper studies on Resource Scheduling (RS) of Wireless Converged Broadcasting and Cellular Networks (CBCN) with popular services being preferentially delivered. In the proposed model of CBCN, the popular services are preferentially delivered by Wireless Broadcasting and Buffering Network (WBBN), and the other less popular services are delivered by Cellular Network (CN) with point-to-point (p2p)...
We present a novel mobile Ad Hoc networks routing protocol called state-aware routing protocol, in which more QoS metrics are taken into account during the route discovery, to decrease the end-to-end delay and transmission cost. When the source initiates a RREQ message, the forwarded nodes require considering the information of energy, mobility and congestion state, hence the destination would determine...
AODV routing protocol is a classical protocol in Ad Hoc network. The scientists have already conducted the extensive research. In order to perfect the protocol, an improved protocol LAODV is proposed in this paper, which has two improvements. One improvement is that LAODV involves a delayed algorithm based on node state. It adopts a novel delayed broadcast scheme which combines the shortest route...
For the problem in the route discovery process of AOMDV route protocol: lacking congestion control leads to the inappropriate main path selected by source node in many cases, this paper proposes an improved protocol which is based on the traffic load and location information of the network. In the route discovery process, the relay node adopts a delay algorithm before broadcasting RREQ message. So...
Bandwidth delay product (BDP) represents the maximum amount of allowed unacknowledged data in flight at any moment in the network. Due to the spatial reuse property of 802.11 MAC protocol in multi-hop ad hoc networks, the BDP of the path approximates 1/4 of the path length and is a value of several packets. With such a small BDP, TCP cannot work efficiently since its congestion window increases far...
In a 802.11 based mobile ad hoc network (MANET), the routing protocol may wrongly assume that a route is broken due to temporal packet loss in connectivity arising from multiple packet collisions, which we term as a false route breakage. In this paper, we investigate the impact of false route breakages in MANETs. It is found that false route breakage is dependent on the size of packets transmitted...
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