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Long registration delay and signaling cost restrict the practical deployment of MIP. Proxy Mobile IPv6 has been proposed to overcome limitation of Mobile IP, which can avoid tunneling overhead and support of hosts in the mobility management. In this paper, we propose an extension protocol based on Proxy Mobile IPv6 to reduce the overhead of Local Mobile Anchor and decrease handoff delay. When the...
Many PAPR reduction schemes for OFDM system can be implemented in time domain by oversampled(OS)-kernel-based iterative structure. In this paper, a new polyphase (PP)-kernels-based PAPR reduction scheme is proposed to reduce the complexity of OS-kernel-based PAPR reduction techniques. It divides oversampled-rate kernel into multiple 1x-rate kernels with different initial-phase and performs PAPR reduction...
The combined-GEO-IGSO constellation is the combination of GEO (geostationary earth orbit) satellite and IGSO (inclining geostationary synchronized orbit) satellite. The combined-GEO-IGSO constellation can integrate the advantages of GEO and IGSO to achieve regional coverage. The simulation results show that: the combined constellation can reach higher multi-sat coverage and higher communication elevation...
To support mobile nodes moving across different networks as a whole, the IETF NEMOv6 (RFC 3963) has been proposed. Compared with Mobile IPv6 protocol, the NEMOv6 provides a method to enable a network moving entirely. Mobile Router (MR) is introduced to the NEMOv6, which performs mobility management function for the entire mobile network. All nodes belonged to the mobile network, fixed or mobile, are...
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