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Without the need of local energy supply, computational RFID (CRFID) sensors are emerging as important platforms enabling a variety of sensing and computing applications. Nevertheless, the data throughput of CRFIDs is very low. This paper aims at efficiently reading bulk data from CRFIDs using commodity RFID readers. We carry out thorough experiment studies to investigate the root cause of the low...
A scale-out and reliable object store is an important building block of a cloud service, for storing virtual machine images, backups and large application data. As such an object store, Amazon S3 is available for Amazon EC2 users and other S3-compatible storage systems are also used in private clouds. However, there is concern about performance instability when many applications concurrently access...
The multiplication of wireless standards is introducing the need of flexible and reconfigurable multistandard base band receivers. At the physical layer, multiprocessor turbo decoders have been recently developed in order to provide an answer to the increasing throughput requirement of emerging standards. However these solutions do not sufficiently address reconfiguration performance issues which...
TCP is de facto standard transport protocol. It has been widely adopted and used thanks to the strong guarantees it provides, reliable transmission before all. Today, many applications require fast data transfer over high bandwidth, high latency links. Standard TCP has a huge problem in achieving optimal performance, it substantially underutilizes network bandwidth. Over time, many solutions have...
TCP Noordwijk manages very efficiently Internet traffic when a satellite link is included in the path. The improvement of the bandwidth estimator can further increase performance, especially in presence of competing traffic using other TCP protocols, and the exploitation of innovative service paradigms, first of all, cloud computing. In this respect, a meaningful increase of data transfers with different...
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