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Unmanned Aerial Vehicles (UAVs) have emerged as promising relay platforms to improve the connectivity of ground Mobile Ad Hoc Networks (MANETs). Due to the relatively high cost of UAVs, a lot of efforts have been made to optimize the deployment of UAVs so that the number of UAVs needed in maintaining the connectivity of ground nodes can be minimized. However, existing work on optimization of UAVs'...
It is a common case that a one-way TCP data flow is set up between a client and a server when the client accesses the Internet through wireless mesh networks (WMNs). Since both IEEE 802.11 and TCP have acknowledgement (ACK) mechanisms for transmission reliability, the functional duplication results in overhead. In this paper, a cross-layer MAC protocol for one-way TCP data flow performance enhancement...
Privacy preserving in location-based service (LBS) has been an important issue in Vehicular Ad hoc Network (VANET). Traditional k-anonymity algorithm dealing with location privacy protecting problem does not consider vehicle's mobility and inner collaborator. In this paper, we propose a new algorithm which uses dynamic and mobile aware anonymous peer selecting algorithm to improve the anonymity and...
The system of ad hoc cluster computing is a flexible, self-organization and expandable applications. The request of a task may have more than one back-up resources to meet demand in the ad hoc cluster computing system. How to choose the best resources available to users is the core of system. This paper proposes a kind of genetic algorithm for task scheduling in ad hoc cluster computing in view of...
Data caching is an important technique in wireless ad hoc networks, where it can increase data availability and significantly improve the efficiency of information access by reducing the access latency and bandwidth usage. However, designing efficient caching algorithms is non-trivial when network nodes have limited memory. After analyzing the benefit function of DGA (distributed greedy algorithm)...
Wireless interference is a key issue affecting network performance. In this paper, we address the broadcast scheduling problem in wireless multi-hop networks with interference. We propose a policy called EMDF (evolved minimum degree first) which assigns different transmission slots for nodes within a three-hop neighborhood to effectively decrease the conflicts caused by both hidden terminal problem...
The architecture and characteristic of wireless mesh networks (WMN), as well as the significance of intrusion detection system (IDS) in its application were investigated. Based on the embedded analyzing of IDS technologies in ad hoc network and WLAN (wireless local area network), combined with the security requirements in WMN itself, it is concluded that both the architecture of distributed and cooperative...
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