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Bastian Bloessl, Michele Segata, Christoph Sommer and Falko Dressler, "An IEEE 802.11a/g/p OFDM Receiver for GNU Radio," Proceedings of ACM SIGCOMM 2013, 2nd ACM SIGCOMM Workshop of Software Radio Implementation Forum (SRIF 2013), Hong Kong, China, August 2013, pp. 9-16.


Experimental research on wireless communication protocols frequently requires full access to all protocol layers, down to and including the physical layer. Software Defined Radio (SDR) hardware platforms, together with real-time signal processing frameworks, offer a basis to implement transceivers that can allow such experimentation and sophisticated measurements. We present a complete Orthogonal Frequency Division Multiplexing (OFDM) receiver implemented in GNU Radio and fitted for operation with an Ettus USRP N210. To the best of our knowledge, this is the first prototype of a GNU Radio based OFDM receiver for this technology. Our receiver comprises all layers up to parsing the MAC header and extracting the payload of IEEE802.11a/g/p networks. It supports both WiFi with a bandwidth of 20MHz and IEEE802.11p DSRC with a bandwidth of 10MHz. We validated and verified our implementation by means of interoperability tests, and present representative performance measurements. By making the code available as Open Source we provide an easy-to-access system that can be readily used for experimenting with novel signal processing algorithms.

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Bastian Bloessl
Michele Segata
Christoph Sommer
Falko Dressler

BibTeX reference

    author = {Bloessl, Bastian and Segata, Michele and Sommer, Christoph and Dressler, Falko},
    title = {{An IEEE 802.11a/g/p OFDM Receiver for GNU Radio}},
    booktitle = {ACM SIGCOMM 2013, 2nd ACM SIGCOMM Workshop of Software Radio Implementation Forum (SRIF 2013)},
    pages = {9-16},
    year = {2013},
    month = {August},
    address = {Hong Kong, China},
    publisher = {ACM},
    doi = {10.1145/2491246.2491248},

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