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A key feature in the design of any MAC protocol is the throughput it can provide. In wireless networks, the channel of a user is not fixed but varies randomly. Thus, in order to maximize the throughput of the MAC protocol at any given time, only users with large channel gains should be allowed to transmit. In this paper, a compressive sensing based opportunistic protocol for exploiting multiuser diversity...
We study the impact of user cooperation in wireless networks on improving the stable throughput and delay performance. Specifically, we consider a multiaccess system in which a set of source users generate packets to deliver to a common destination. A cooperation strategy is proposed at the protocol level, where users with a better channel to the destination have the option to relay packets from users...
The throughput of 1-persistent idle-signal-casting multiple access with collision detection (ICMA/CD) with variable collision detection delay is analysed, taking into consideration the effects of multipath signal fading. The packet failure probability with a limited number of reschedulings is also investigated.<<ETX>>
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