publication . Conference object . Preprint . 2019

Synchronization of Multiple USRP SDRs for Coherent Receiver Applications

Markus Krueckemeier; Fabian Schwartau; Carsten Monka-Ewe; Joerg Schoebel Technische;
Open Access English
  • Published: 29 Oct 2019
  • Publisher: IEEE
Abstract
This paper describes the necessary means to combine multiple Ettus Research USRP X310 software-defined radios to a multichannel coherent receiver for direction-of-arrival (DoA) and passive radar applications. The requirements to combine several software-defined radios to a multichannel coherent receiver are examined in general. In particular the requirement of phase coherence necessitates a closer look on the receiver synchronization, since the straightforward approach of synchronizing the systems with a common reference clock will in most cases lead to phase ambiguities between the channels. The mechanism inducing these phase ambiguities between several systems...
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Subjects
free text keywords: Field-programmable gate array, Communication channel, Universal Software Radio Peripheral, Software, business.industry, business, Phase-locked loop, Computer science, Synchronizing, Passive radar, Synchronization, Electronic engineering
Funded by
EC| ALFA
Project
ALFA
Advanced Low Flying Aircrafts Detection and Tracking
  • Funder: European Commission (EC)
  • Project Code: 700002
  • Funding stream: H2020 | RIA
Validated by funder
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Preprint . 2019
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Conference object . 2019
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