Iterative Frequency-Domain Packet Combining Techniques for UWB Systems with Strong Interference Levels

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UWB (Ultra Wideband) systems tend to suffer strong interference from signals that occupy a significant part of the transmission band. This is an important constraint, especially when the channel remains fixed for a long period of time. In order to overcome this limitation, this paper considers UWB systems employing Single-Carrier with Frequency-Domain Equalization techniques. We propose the corresponding receiver, which also allows the soft packet combining associated to different Automatic Repeat ReQuest transmission attempts, as a measure to improve the performance through the exploitation of diversity. Our techniques are able to cope with strong interference levels as well as deep fading, even for fixed channels.
Original languageUnknown
Pages (from-to)501-517
JournalWireless Personal Communications
Issue number1
Publication statusPublished - 1 Jan 2012

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