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Recently, multichannel protocols have been proposed and shown to significantly improve the aggregate throughput compared to single channel protocols. However, some existing proposals still suffer from low channel utilization or unfair bandwidth allocation between different flows in a multihop wireless network. In this paper, we design an asynchronous multichannel MAC called the cooperative multichannel...
Mobile IP gives solutions to wireless applications to maintain the connectivity while handover is occurred. However, a remote home agent can result in poor efficiency. Dynamic home agent reassignment model is proposed to reduce both the signalling traffic and the data traffic to the home network. Therefore, it has to be assured that there are enough home agents available; otherwise, it is hardly to...
Technology advantages of wireless sensor networks have shown great deal of promises in various biomedical applications. In this paper we introduced a specially-designed body sensor networks (BSN) development platform for on-body physiological measurements and body-proximal wireless data communications. The BSN platform we have developed insofar include BSN node boards, a photoplethysmograph sensor...
Mobile IP and SIP give solutions to wireless applications to maintain the connectivity while handover is occurred. However, many existing services need further modification in order to perform advanced mobile behaviours. This study presents a software agent, which performs the undercover maintenance of connectivity at the application layer for handling the mobility in all-IP networks. It gives an...
In recent years, there have been significant efforts related to vehicle-to-vehicle (V2V) communication. The major demand of the V2V communication was originally from safety-related applications; and the possible application areas including communication support for auto-navigation have increased. Local Peer Group (LPG) is a partitioning structure to promote quick deliveries of time- sensitive information...
Magnetic Resonance Spectroscopy (MRS) is a non-invasive technique in which biochemical information can be obtained in vivo. LCModel and QUEST are two quantization tools for magnetic resonance spectroscopy. In this paper, a comparison between LCModel and QUEST is presented. After a description of the methods, we compared their performance on quantification of dominant metabolites in the brains of a...
File transfer is very common in a modern distributed computing environment. Protocols such as HTTP and FTP are designed for downloading or uploading files from/to servers. Some other tools such as 'secure copy' are used to transfer files among hosts securely. In this paper, the file transfer is considered in the context of connecting distributed applications, what is an output of a data producer on...
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