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Wireless Communications and Networking Conference, 2006. WCNC 2006. IEEE, Vol. 1 (2006), pp. 331-336.
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Wireless Communications, Networking and Mobile Computing, 2007. WiCom 2007. International Conference on In Wireless Communications, Networking and Mobile Computing, 2007. WiCom 2007. International Conference on (2007), pp. 1488-1493.
Abstract
An important element of any routing protocol used for Wireless Mesh Networks (WMNs) is the link cost function used to represent the radio link characteristic. The majority of the routing protocols for WMNs attempt to accurately characterise the radio link quality by constructing the link cost function from the measurements obtained using active probing techniques which introduces overhead. In this paper we present a modified version of the Optimized Link State Routing (OLSR) protocol which uses the link cost function values ...
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Wireless Communications and Networking Conference, 2008. WCNC 2008. IEEE In Wireless Communications and Networking Conference, 2008. WCNC 2008. IEEE (2008), pp. 2235-2240.
Abstract
Mobile ad hoc networks (MANETs) consist of a collection of wireless mobile nodes which dynamically exchange data without reliance on a fixed base station or a wired backbone network, which makes routing a crucial issue for the design of a ad hoc networks. In this paper we discussed a hybrid multipath routing protocol named MP-OLSR. It is based on the link state algorithm and employs periodic exchange of messages to maintain topology information of the networks. In the mean time, it ...
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International Journal of Wireless Information Networks, Vol. 14, No. 2. (June 2007), pp. 93-105.
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Abstract
Abstract--- With the current increase in ad-hoc mobile networks in public domains (e.g. airports, cities, etc.), and the widespread use of the IEEE 802.11 standard in wireless LAN, there is a growing need to handle and manage fast mobility. Optimized Link State Routing protocol (OLSR) is a proactive protocol that enables routing in Mobile Ad-hoc NETworks (MANETs). Fast-OLSR is a new extension of OLSR designed to meet the need for fast mobility in ad-hoc networks. Combining Mobile-IP with Fast-OLSR ad-hoc routing ...
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Abstract
A relay selection approach has previously been shown to outperform repetition-based scheduling for both amplify-and-forward (AF) and decode-and-forward (DF) cooperative networks. The selection method generally requires some feedback from the destination to the relays and the source, raising the issue of the interplay between performance and feedback rate. In this paper, we treat selection as an instance of limitedfeedback distributed beamforming in cooperative AF networks, and highlight the differences between transmit beamforming in a traditional multi-input single-output (MISO) system and the distributed case. Specifically, Grassmanian line packing (GLP) is no longer the ...
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In MobiHoc '06: Proceedings of the seventh ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 344-355.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 322-333.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 286-297.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 274-285.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 214-225.
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In MobiHoc '06: Proceedings of the seventh ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 190-201.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 13-24.
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In MobiHoc '06: Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing (2006), pp. 1-12.
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In REALMAN '06: Proceedings of the 2nd international workshop on Multi-hop ad hoc networks: from theory to reality (2006), pp. 71-78.
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In REALMAN '06: Proceedings of the second international workshop on Multi-hop ad hoc networks: from theory to reality (2006), pp. 1-6.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 256-265.
Abstract
Existing work on the capacity of wireless networks predominantly considers homogeneous random networks with random work load. The most relevant bounds on the network capacity, e.g., take into account only the number of nodes and the area of the network. However, these bounds can significantly overestimate the achievable capacity in real world situations where network topology or traffic patterns often deviate from these simplistic assumptions. To provide analytically tractable yet asymptotically tight approximations of network capacity we propose a novel space-based ...
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 229-238.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 209-218.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 199-208.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 180-189.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 170-179.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 160-169.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 130-139.
Abstract
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend to alleviate this disparity is the design of Cognitive Radios, which constantly sense the spectrum and opportunistically utilize unused frequencies in the TV bands. In this paper, we introduce the concept of a time-spectrum block to model spectrum reservation, and use it to present a theoretical formalization of ...
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 110-119.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 100-109.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 22-31.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 11-21.
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In MobiHoc '07: Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing (2007), pp. 1-10.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 14-26.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 449-459.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 438-448.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 426-437.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 414-425.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 402-413.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 366-377.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 266-276.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 230-241.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 181-192.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 157-168.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 145-156.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 121-132.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 99-110.
Abstract
Wireless Sensor and Actor Networks (WSANs) are composed of a large number of heterogeneous nodes called sensors and actors . The collaborative operation of sensors enables the distributed sensing of a physical phenomenon, while the role of actors is to collect and process sensor data and perform appropriate actions.In this paper, a coordination framework for WSANs is addressed. A new sensor-actor coordination model is proposed, based on an event-driven clustering paradigm in which cluster ...
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 78-89.
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 68-77.
Abstract
The throughput of wireless networks can be significantly improved by multi-channel communications compared with single-channel communications since the use of multiple channels can reduce interference influence. In this paper, we study interference-aware topology control and QoS routing in IEEE 802.11-based multi-channel wireless mesh networks with dynamic traffic. Channel assignment and routing are two basic issues in such networks. Different channel assignments can lead to different network topologies. We present a novel definition of co-channel interference. Based on this concept, we formally ...
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In MobiHoc '05: Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing (2005), pp. 2-13.
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Abstract
Ultra-wideband (UWB) has great potential for wireless communications in emerging applications such as sensor networks. This paper considers UWB-based sensor networks and studies the following problem: given a set of source sensor nodes in the network each generating a certain data rate, is it possible to relay all these rates successfully to the base-station? We follow a cross-layer optimization approach, with joint consideration of link layer scheduling, power control, and network layer routing. The optimization problem is formulated as a non-linear ...
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