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The symmetry of packet delay is one of basic assumption of PTP (Precision Time Protocol). But most existing networks could not meet this assumption to achieve high accuracy PTP synchronization. The FIFO block is one of main reasons that lead packet delay asymmetry according to the research. So the packet delay estimation with minimum FIFO block is put forward to try to select those “lucky packets”...
This paper forward a method for making FMIPv6 security and fast handover based on the context transfer protocol. The context transfer protocol realizes foreign network certificates the mobile node MN rapidly and safely without home network participating. Besides, during the transferring period, the paper adopts ECC mechanism to keep the context safe and reliable. At the end of the paper, this method...
As a new networking topology, Wireless Mesh Networks (WMNs) have advantageous properties in terms of robustness, range extension and density, but also have significant potential disadvantages, which determines some classical load-balancing algorithms are not very suitable for WMNs. In this paper, we propose a novel load-balancing algorithm to improve the networks performance. The new scheme, which...
As a new networking topology, Wireless Mesh Networks (WMNs) have advantageous properties in terms of robustness, range extension and density, but also have significant potential disadvantages, which determines some classical routing algorithms are not very suitable for WMNs. In this paper, we propose a novel routing algorithm based on the WMNs access scheme design to improve the networks performance...
In order to solve the problems that the process of the evolution is only in one step and the investment in network is so costly when the network in nowadays evolutes to NGN(Next Generation Networking), this paper has get a deep research about the soft switch, media gateway control protocol, access gateway and media server and such kind of technology and then submit a kind of design methodology, through...
Spectrum is always a kind of rare resource in wireless communication especially in wireless mesh networks (WMNs) which own the wireless connectivity backbone. But in most cases we seldom take full advantage of the spectrum. This problem can be alleviated by the cognitive radio paradigm that aims at devising spectrum sensing and management techniques, thereby allowing radios to intelligently locate...
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