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Cognitive radio improves spectrum efficiency and mitigates spectrum scarcity by allowing cognitive users to opportunistically access idle chunks of the spectrum owned by licensed users. In long-term spectrum leasing markets, secondary network operators make a decision about how much spectrum is optimal to fulfill their users’ data transmission requirements. We study this optimization problem in multiple...
The de facto inter-domain routing protocol, Border Gateway Protocol (BGP), plays a critical role in the reliability of the Internet routing system. However, the system may also be devastated by forged BGP routes that are generated by malicious attacks or mis-configurations. This security problem has attracted considerable attention, and although several solutions has been proposed, none of them have...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.