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In this paper, we propose an evolutionary topology unware TDMA MAC protocol (E-TUTM) which improves upon the existing threaded time spread multiple access (T-TSMA) protocol while preserving the advantage of the T-TSMA protocol. According to the current network topology and traffic load, our proposed E-TUTM protocol can control each node to utilize the shared wireless channel effectively by the protocol...
In this paper, we propose an evolutionary time spread multiple access (E-TSMA) protocol which is independent of topology changes for ad hoc networks. Our proposed protocol is based on protocol threading technique and a novel contention schedule with reservation and carrier sense. According to the topology density of the network and the transmission requirement, our proposed protocol can control each...
Ad hoc network consists of a group of mobile nodes that collectively form a wireless network without the aid of any infrastructure. This flexibility introduces new challenges and several medium access control (MAC) protocols have been proposed. However, these proposed protocols are unable to effectively support the diverse transmission services required by higher layer applications. In this paper,...
This paper proposes an evolutionary-dynamic TDMA slot assignment protocol (E-DTSAP) for ad hoc networks. According to the topology density of the network and the bandwidth requirement, the proposed protocol changes the frame length and the transmission schedule dynamically. Moreover, it allows the transmitter to reserve one or more unscheduled slots from the set of unassigned slots in its neighborhood...
The design of an efficient medium access control (MAC) for ad hoc networks is challenging. In this paper, we propose a dynamic TDMA slot assignment protocol (DTSAP) for ad hoc networks. According to the topology density of the network and the bandwidth requirement, our proposed protocol controls the excessive increase of unassigned slots by changing the frame length and the transmission schedule dynamically...
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