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Storaci-Cognitive radio (CR) can improve spectrum utilization by allowing the secondary users to temporarily access the primary user's unutilized licensed spectrum. In fact, the secondary users' delay requirements for data transmission would be not unitary. Some secondary users' communications may be delay-sensitive such as VoIP service while some others may not such as uploading a large file. In...
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.