Rodrigo Soule de Castro

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This paper proposes the utilization of GSM logical channels (RACH, AGCH and TCH) and UMTS signaling (MIB and SIBs) of the Broadcast Channel to transmit a Cognitive Beacon Channel (CBC). The CBC will help to improve spectrum awareness by conveying signalization to mobile users in a multiRadio Access Technology (RAT) environment (e.g. 3GPP, Wi-Fi, WiMAX and(More)
Multi-channel MAC protocols have been proposed to improve spectrum utilization and to increase network throughput by allowing multiple transmissions in a set of frequency channels. The purpose of these multi-channel MAC protocols is to enhance the overall performance of Wi-Fi like protocols (using IEEE 802.11 based mechanisms) with Distributed Coordination(More)
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