Topic
Ad hoc wireless distribution service
About: Ad hoc wireless distribution service is a research topic. Over the lifetime, 17734 publications have been published within this topic receiving 488205 citations.
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TL;DR: An overview of the challenges of address autoconfiguration in MANETs is given, current approaches are presented, and their advantages and drawbacks are discussed.
Abstract: Most research efforts in the area of MANETs focus on developing efficient routing protocols. Although routing protocols assume unique node addresses, the question of how to provide them remains open. In order to allow truly spontaneous and infrastructureless networking, a protocol for dynamic allocation of unique addresses is needed. Recently, various address autoconfiguration protocols for MANETs have been proposed. This article gives an overview of the challenges of address autoconfiguration in MANETs, presents current approaches, and discusses their advantages and drawbacks.
149 citations
01 Jan 2000
TL;DR: The paper concludes that in mission scenarios that do not require data collection in real-time and where occasional data loss is acceptable, then the proposed data collection mechanism is feasible, robust and economical in terms of the number of robots required.
Abstract: This paper reports on ongoing work to develop ad hoc wireless networking for application in distributed mobile robotics. The paper discusses a mission scenario in which a number of mobile robots are required to autonomously disperse into a physically bounded region, take sensor readings at predetermined time intervals, and then communicate the sense data back to a single collection point. There is assumed to be no overall command and control structure. The robots are assumed to be equipped with low-power short-range wireless network interfaces, which only allow direct communication with near neighbours, and overall an ad hoc (multi-hop) wireless networking scheme is employed. Furthermore, it is assumed that there are insufficient robots to allow full wireless connectivity through the region so that, at any instant, the robots actually appear as a set of disconnected sub-nets (i.e. a broken ad hoc network). The paper proposes a mechanism that exploits the mobility of the robots to overcome the lack of overall wireless network connectivity, resulting in a sub-optimal but robust scheme for garnering sense data. The paper presents simulation results that show how the arithmetic mean data collection delay varies with the number of robots deployed. The paper concludes that in mission scenarios that do not require data collection in real-time and where occasional data loss (erasure) is acceptable, then the proposed data collection mechanism is feasible, robust and economical in terms of the number of robots required.
149 citations
20 Nov 2006
TL;DR: The concept of ad hoc networking between aircraft is introduced, which can be considered as a novel approach in increasing the data rate and practicality of future in-flight broadband Internet access.
Abstract: There has been an enormous growth in mobile ad hoc networks (MANETs) in land based small to medium size networks with relatively strict power and resources. In this paper the concept of ad hoc networking between aircraft is introduced, which can be considered as a novel approach in increasing the data rate and practicality of future in-flight broadband Internet access. This method also reduces the Internet traffic load on satellite nodes and also propagation delay for real-time traffic transmissions, by effectively bypassing the satellite link for nonreal time data. A dynamic routing algorithm is also proposed for efficient routing in this kind of system. A new cost metric for increasing path duration is introduced to assist routing in the proposed ad hoc network
149 citations
11 Jun 2001
TL;DR: The simulation results show that the proposed multipath routing protocol, MSR, improves the packet delivery ratio and the throughput of TCP and UDP, and reduces the end-to-end delay and the average queue size, while adding little overhead.
Abstract: In this paper, we propose a new multipath routing protocol for ad hoc wireless networks-multipath source routing (MSR), which is an extension of DSR (dynamic source routing). Based on the measurement of RTT, we propose a scheme to distribute load among multiple paths. The simulation results show that our approach improves the packet delivery ratio and the throughput of TCP and UDP, and reduces the end-to-end delay and the average queue size, while adding little overhead. As a result, MSR decreases the network congestion and increases the path fault tolerance quite well.
148 citations
TL;DR: This paper articulate this problem and classify current routing protocols for WSNs into two categories according to their orientation toward either homogeneous or heterogeneous W SNs, further classified into static and mobile ones.
Abstract: Due to a battery constraint in wireless sensor networks (WSNs), prolonging their lifetime is important. Energy-efficient routing techniques for WSNs play a great role in doing so. In this paper, we articulate this problem and classify current routing protocols for WSNs into two categories according to their orientation toward either homogeneous or heterogeneous WSNs. They are further classified into static and mobile ones. We give an overview of these protocols in each category by summarizing their characteristics, limitations, and applications. Finally, some open issues in energy-efficient routing protocol design for WSNs are indicated.
148 citations