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Data historians[1] are today transitioning from their traditional role as record-keepers and planners, to tools that provide the required flexibility and responsiveness to customers' requirements in terms of the type and volume of data stored, archived and queried. Added dimensions to these requirements are the need for high performance and scalability. Businesses are realizing that traditional database...
In this paper, we propose a variable preamble length-based broadcasting scheme and compare it with a probability-based broadcasting scheme in a wireless sensor network environment. In our work, we show that in dense wireless sensor networks, broadcasting a packet with a small size preamble can give sufficient network-wide data dissemination and significant throughput. The scheme should help conserve...
Sustainable economic development necessitates a careful design of the energy infrastructure. The energy infrastructure is primarily composed of energy producers on the supply side, the energy consumers on the demand side and the network which connects them. The increasing energy demand, the spiraling cost of capacity addition and the global climate change scenario have put the energy infrastructure...
The OFDM module in the MB-OFDM UWB transmitter is necessarily operated at 528 MHz. This is really a challenging task because the OFDM in the UWB module has to calculate 128-point IFFT. Earlier papers used radix-24 SDF algorithm with parallel processing architectures of block size two to achieve the required speed and implemented the module on ASIC. In this paper a novel scheme ldquomodified radix-2...
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