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In this paper, the authors describe a recently developed TeleVision White Space (TVWS) hardware prototype. The prototype includes the following components: a Cognitive Management Entity (CME), a sensing module, a geo-location device, a TV band database, a transmitter and a receiver. The prototype is developed in compliance with recent Singapore TVWS test trial regulations. The prototype operates within 630 MHz to 742 MHz bands, within Singapore TV channels 41 to 54, except channels 50 and 52. The prototype is able to search for existing TV signals in the aforementioned channels by looking at a TV band database, as well as, a by performing sensing.
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