Synchronization of multiple UWB piconets

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Timing synchronization is known to affect critically the performance of all coherent communication systems. Its effects are particularly pronounced in contemporary wireless technologies including ultra-wideband radios and wireless sensor networks, where cooperative or ad hoc access is challenged by arbitrary asynchronism, intersymbol interference, receiver noise, as well as inter- and intra-piconet interference arising from concurrently communicating nodes. To cope with these challenges, the present paper introduces piconet-specific synchronization patterns and simple averaging operations at the receiving ends, which enable low complexity timing acquisition through energy detection and demodulation by matching to a synchronized aggregate template. Pattern sequences are designed for both training-based and blind operation. Either way, the idea behind these designs is to periodically increase the transmit-power of each piconet's synchronizing node with a period characteristic of each piconet. Performance of the novel synchronization protocols is tested with simulations conforming to an ultra-wideband wireless personal area network (WPAN) setup.

Original languageEnglish (US)
Title of host publicationConference Record of The Thirty-Ninth Asilomar Conference on Signals, Systems and Computers
Pages1079-1083
Number of pages5
Volume2005
StatePublished - Dec 1 2005
Event39th Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States
Duration: Oct 28 2005Nov 1 2005

Other

Other39th Asilomar Conference on Signals, Systems and Computers
CountryUnited States
CityPacific Grove, CA
Period10/28/0511/1/05

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