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Fast reservation list-to-send (FRLS) medium access control (MAC) protocol is proposed to apply to wireless networks with long propagation delay. In the protocol, a central control node (CCN) is applied to allocate the channel resources of two channels, and all the nodes transmit packets over the two channels without collision. Packet train transmission mechanism ensures that a number of packets are...
A novel multichannel MAC protocol to solve exposed terminal problem is presented for efficient channel sharing in multihop wireless networks. It employs request-to-send and clear-to-send (RTS/CTS) dialogue on a common channel and flexibly selects conflict-free traffic channel to transmit data packet based on a novel channel selection scheme. The acknowledgment (ACK) packet is transmitted over another...
Based on the concept of random contention and collision resolution, a distributed QoS-guaranteed multiple access (QMA) protocol for mobile ad hoc networks is proposed to support multimedia service and multihop architecture. In the protocol, nodes with real-time traffic have higher priority to access channel than those with non-real-time traffic by broadcasting forecast bursts (FB) in earlier group...
A novel multichannel multiple access (MRMA) protocol is presented for efficient channel sharing in mobile ad hoc networks. It flexibly employs request-to-send and clear-to- send (RTS/CTS) dialogue on a common channel and selects conflict-free traffic channel to accomplish the transmission of data packet based on a novel channel selection scheme. The acknowledgment (ACK) packet for the data packet...
A novel routing protocol, namely adaptive forwarding cluster routing (AFCR) protocol, is proposed to improve the network scalability in a large scale mobile ad hoc network (MANET). In the AFCR protocol, nodes are divided into several 1-hop clusters. Local routing information is exchanged between neighboring nodes to establish routes between cluster heads in adjacent clusters, which are further used...
A novel multichannel MAC protocol, namely distributed channel reservation multiple access protocol, is presented for efficient channel sharing in multihop mobile ad hoc networks. It flexibly employs request-to-send and clear-to-send (RTS/CTS) dialogue on a common channel and selects conflict-free traffic channel to accomplish the transmission of data packet based on a novel channel selection scheme...
In this paper, an adaptive energy-efficient and low-latency MAC (L-MAC) protocol for wireless sensor networks is proposed. In this protocol, nodes have three modes-sleeping, receiving and sending. Each node goes to sleep periodically to save energy. L-MAC delays the receiving and sending period hop by hop, so that when one node is in sending mode, its lower-hop node is in receiving mode. After receiving...
Based on the concept of random contention and collision resolution, a QoS-based multiple access (QMA) protocol for ad hoc networks is proposed to support multimedia service and multi-hop architecture. The traffic is divided into two groups with different requirements on delay, namely real-time traffic and data (or best effort) traffic. According to the protocol, nodes contend to access channel, and...
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