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HIGH THROUGHPUT AND LOW POWER REED SOLOMEN DECODER FOR ULTRA WIDE BAND FREQUENCIES
Abstract:- Reed Solomon (RS) codes have been widely used in a variety of communication systems such as space communication link, digital subscriber loops and wireless systems, as well as in networking Communications and magnetic and data storage systems. Continual demand for ever-higher data rates and storage capacity makes it necessary to devise very high-speed implementations of RS Decoders. Newer and faster implementations of the decoder are being developed and implemented. A number of algorithms are available and this often makes it difficult to determine the best choice due to the number of variables and trade-offs available. Therefore, before making a good choice for the application a thorough research is needed into the decoders available. For IEEE 802.15-03 standard proposal (commonly known as UWB) in particular, very high data rates for transmission are needed. According to the current standard, the data rate for UWB will be as high as 480 Mbps. Since the standard is also meant for portable devices, power consumption is of the prime concern, and at the same time the silicon area should be kept as low as possible. As such, a low power and high throughput codec is needed for UWB standard. Reed Solomon is seen as a promising codec for such a standard. |
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