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The recent development of mobile network technology resulted in commercialization of Long Term Evolution (LTE) network, opening the era when data can be processed at high speed even in the mobile. But a new authentication key must be created during the handover in the LTE network environment. In this case, the authentication process is performed by handover and therefore, authentication cost and delay...
Proxy Mobile IPv6(PMIPv6) is a network-based mobility management protocol to support mobility for IPv6 nodes without host involvement. In PMIPv6, the Mobile Access Gateway(MAG) incurs a high signaling cost to update the location of a mobile node to the remote local mobility anchor(LMA) if the mobile node moves frequently. This increases network overhead on the LMA, wastes network resources, and lengthens...
In this paper, low-latency implementation of adaptive discrete Fourier transform (DFT) based channel estimator for Mobile WiMAX system is proposed. DFT based channel estimation improve the performance by suppressing time domain noise. However, conventional method use fixed channel impulse response (CIR) length which can cause significantly performance degradation in fast fading channel. In order to...
LEACH and LEACH-C have demonstrated the feasibility of achieving good efficient routing path. As considering mixed sensor fields with fixed and mobile nodes in a sensor field LEACH and LEACH-C are not appropriate to support mobile sensor nodes. In this paper, we proposed an algorithm, called "minimal hop count path routing algorithm", for mobile sensor nodes on mixed sensor fields using...
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