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Aimed at the problem of hiding side and channel interference in wireless sensor network communication, a self-adaptively accessing network mechanism which nodes always choose LQI optimal network to access is proposed. On the basis of DSME network, getting the strongest anti-interference channel sequence by using greedy algorithms and avoiding interference through the sequence of timeslot based on...
In this paper, we present UAV-aided Cross-Layer Routing Protocol (UCLR) that aims at improving the routing performance of a ground MANET network with aid from an Unmanned Aerial Vehicle (UAV). The UAV is added to a connected backbone formed by a collection of designated nodes in order to combat link failures and wireless link effects detected at PHY/MAC layers before the routing table adapts to the...
The performance of prevalent MAC protocols in MANETs relies on the level of contention in networks. While contention-based MAC protocols such as CSMA suffer from inefficiency under high contention, slot-based MAC protocols such as TDMA perform in the opposite way. In this paper, we propose a hybrid protocol to which we refer as Load-Adaptive MAC (LA-MAC) protocol for MANETs. By adaptively switching...
Funded by a research contract from the Boeing Company, we report on the implementation of a Multiple-Input Multiple-Output (MIMO) software defined radio (SDR) platform forming an operational Mobile Ad-Hoc Networks (MANET) node. Our SDR platform utilizes Universal Software Radio Peripheral (USRP) including a motherboard for baseband processing, two daughter boards for RF frontend processing, and an...
In ad hoc networks, the mobility of nodes affects the system performance. Considerable attention has been paid to mobility models. However, most work is confined to simulation. A novel method is proposed to analyze the performance of mobile ad hoc networks (MANETs) considering the node's mobility. In the proposed method, of each communicating pair, one is considered to be stationary while the second...
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