Implementing an Experimental Cognitive Radio System for DySPAN

Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication link in a shared spectrum, the system provided a live video feed via a dynamically-allocatable OFDM physical layer. Each dem...

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Bibliographic Details
Main Authors: Taubenheim, D., Chiou, W., Correal, N., Gorday, P., Kyperountas, S., Machan, S., Minh Pham, Qicai Shi, Callaway, E., Rachwalski, R.
Format: Conference Proceeding
Language:English
Subjects:
Channel allocation
Cognitive radio
Digital integrated circuits
Feeds
OFDM
Physical layer
Radio frequency
Radiofrequency integrated circuits
Transceivers
Video sharing
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Summary:Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication link in a shared spectrum, the system provided a live video feed via a dynamically-allocatable OFDM physical layer. Each demonstration unit included an RF signal conditioning module for DySPAN channel allocations, a custom RF transceiver IC, digital signal processing, and an embedded Linux operating system. Connected to the units via Ethernet, a PC presented a graphical user interface, including the video feed and visualization of the spectral sensing, signal detection, and frequency allocation that was taking place in the units.
ISSN:1930-529X
2576-764X
DOI:10.1109/GLOCOM.2007.768