NDLI: Enabling cognitive-radio paradigm on commercial off-the-shelf 802.11 hardware

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Enabling cognitive-radio paradigm on commercial off-the-shelf 802.11 hardware

Content Provider	ACM Digital Library
Author	Gringoli, Francesco Bianchi, Giuseppe Facchi, Nicolò Giuliano, Fabrizio Gallo, Pierluigi Garlisi, Domenico
Abstract	Cognitive Radio paradigm (CR) is recognized as key enabler for next generation wireless networking: accessing the limited radio spectrum in an opportunistic manner allows secondary users to boost their transmission performance without interfering with existing primary networks. Full testing and experimenting with this paradigm, however, is still a tough task, given either the i) limited capabilities above the PHY layer of cheap SDR solutions, or the ii) heavy investment required for setting up multi-node testbeds powered by FPGAs. In this demo we show how we leveraged our Wireless MAC Processor architecture to tackle the two issues at the same time, providing a highly reconfigurable cognitive solution for wireless local area networks on top of commercial off-the-shelf (COTS) 802.11 devices. We demonstrate a typical CR use case where local and network-wide cognitive loops interact for configuring secondary users real time channel switching in reaction to channel state mutation. We also prove the flexibility of our Wireless MAC Processor (WMP) architecture for extensive testing of the CR paradigm.
Starting Page	95
Ending Page	96
Page Count	2
File Format	PDF
ISBN	9781450323642
DOI	10.1145/2505469.2506493
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2013-09-30
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Cognitive radio Wireless mac processor
Content Type	Text
Resource Type	Article

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