In this paper, the authors study the problem of cooperative communications in cognitive radio systems where the secondary user has limited relaying room for the overheard primary packets. More specifically, they characterize the stable throughput region of a cognitive radio network with a finite relaying buffer at the secondary user. ...Download Now
The authors consider a random access primary network. At the beginning of each time slot, a number of secondary users sense the channel and make an access decision based on the spectrum sensing outcome and the Channel State Information (CSI). Specifically, the channel is accessed by a secondary transmitter with ...Download Now
CMP processors are already replacing complex single core superscalar processor architectures. They offer better performance per watt and area. This is especially true in TLP rich server and web applications. Process / thread synchronization is important since CMP consists of multiple processor cores sharing cache resources including shared data structures. ...Download Now
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