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It is essential for emergency services to have reliable, adaptable, scalable and high throughput communication network. As one can not trust on the existing infrastructure, mobile ad hoc networks (MANET) can be a good alternative to provide rescue operations. Since partitioning problem of MANETs due to node mobility degrades the aggregate throughput and is unreliable due to idle periods when rerouting...
Throughput enhancement of a wireless ad hoc at the media access (MAC) layer is achieved through spatial reuse of the channel by allowing concurrent transmissions as much as possible among neighboring nodes. In this paper, we present a novel high-throughput MAC protocol, called Multiple Beam Antenna Array MAC (MBAA-MAC), which supports concurrent transmission while having simple design, single transmission...
Ad-hoc wireless multi-hop network is communication network that consist of wireless nodes, placed together in an ad hoc manner, with minimal prior planning. All nodes have routing capability and forward data packets for other nodes in multi-hop fashion. Since many applications have QoS (quality of service) requirements such as delay and throughput, it is imperative that the wireless part of the communication...
Next generation heterogeneous networks require an effective handover scheme, optimized specially to support network mobility. The paper proposes an architecture to support seamless mobility of mobile networks across heterogeneous networks. We consider the vehicular scenario where a vehicle is provided with mobility through different Internet service providers (ISPs) and propose to use multiple mobile...
Route optimization support in mobile networks is one of the most important concerns in Next Generation Networks (NGNs). NGNs require an efficient route optimization scheme, optimized specially to support nesting of mobile networks. We propose an Extended Mobile IPv6 route optimization (EMIP) scheme to enhance the performance of nested mobile networks. EMIP scheme is based on MIPv6 route optimization...
Unfairness problems are critical to TCP flows in wireless multi-hop ad hoc networks. Unfortunately, the traditional TCP has poor interaction with the IEEE 802.11 MAC protocol. The spatial reuse of the channel can improve the performance of wireless ad hoc network. IEEE 802.11 MAC protocol uses DCF mode with extensions to RTS/ CTS, along with the limitation of at least four hop distance between two...
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