Search Results - "Brown, T.X."

Airborne Communication Networks for Small Unmanned Aircraft Systems by Frew, Eric W., Brown, Timothy X.

“…This paper explores the role of meshed airborne communication networks in the operational performance of small unmanned aircraft systems. Small unmanned…”
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Cellular performance bounds via shotgun cellular systems by Brown, T.X.

“…This paper considers two-dimensional interference-limited cellular radio systems. It introduces the shotgun cellular system that places base stations randomly…”
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Public safety and commercial spectrum sharing via network pricing and admission control by Qi Wang, Brown, T.X.

“…Public safety and commercial communications have distinct performance objectives. The former requires a high availability (i.e., low blocking), both in normal…”
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Adaptive call admission control under quality of service constraints: a reinforcement learning solution by Hui Tong, Brown, T.X.

“…We solve the adaptive call admission control (CAC) problem in multimedia networks via reinforcement learning (RL). The problem requires that network revenue be…”
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Security in cognitive radio networks: An example using the commercial IEEE 802.22 standard by Mody, A.N., Reddy, R., Kiernan, T., Brown, T.X.

“…Security in wireless networks is challenging. Security in cognitive radio networks (CRN) is even more challenging. This is because a CRN consists of cognitive…”
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Mobility management for personal communications systems by Brown, T.X., Mohan, S.

“…Using a combination of empirical data and theoretical models, this paper develops a model of user behavior for a personal communications system environment…”
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Sensor Data Collection Through Gateways in a Highly Mobile Mesh Network by Jenkins, A., Henkel, D., Brown, T.X.

“…Widely distributed sensors must discover paths back to data collection points possibly through sparsely connected and mobile networks. Current addressing and…”
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Aisle Routing for Mobile Ad Hoc Networks by Yikun Zhang, Brown, T.X.

“…Mobility in ad hoc networks causes routes to break disrupting traffic flows and triggering additional routing overhead. We address this problem with a novel…”
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Optimizing the Use of Relays for Link Establishment in Wireless Networks by Henkel, D., Brown, T.X.

“…Multihop packet relaying has been shown to extend the achievable communication space in sparsely connected ad hoc networks, in sensor networks, and over long…”
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Wimax - Potential Commercial Off-The-Shelf Solution for Tactical Mobile Mesh Communications by Hartzog, M.B.K., Brown, T.X.

“…The Army is evaluating the capabilities' of emerging technologies based on the IEEE 802.16 standard as a potential commercial off-the-shelf solution to support…”
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EWANT: the emulated wireless ad hoc network testbed by Sanghani, S., Brown, T.X., Bhandare, S., Doshi, S.

“…In this paper we demonstrate a wireless 802.11 testbed. This testbed allows for direct comparison between mobile wireless routing protocols without affecting…”
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Establishment and Maintenance of a Delay Tolerant Network through Decentralized Mobility Control by Frew, E.W., Brown, T.X., Dixon, C., Henkel, D.

“…In this paper we investigate the establishment and maintenance of a delay tolerant network through decentralized mobility control. A set of geographically…”
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A high-performance two-stage packet switch architecture by Brown, T.X.

“…This paper contributes a distributed packet controller which reduces queueing to a single stage in two-stage packet switches. Software and neural network based…”
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An analysis of unlicensed device operation in licensed broadcast service bands by Brown, T.X.

“…Recent FCC proceedings have considered the notion of unlicensed device operation in licensed bands. Licensed users are concerned about harmful interference…”
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Classifying loss rates in broadband networks by Brown, T.X.

“…Tasks such as admission control in ATM and predicting overload conditions in telephone networks require a function that specifies what conditions will result…”
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Hammer Model Threat Assessment of Cognitive Radio Denial of Service Attacks by Sethi, A., Brown, T.X.

“…With the advent of cognitive radios, existing wireless networks are expected to undergo a radical change in how they operate. Traditional wireless devices…”
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Models for Analyzing Cognitive Radio Interference to Wireless Microphones in TV Bands by Dhillon, R.S., Brown, T.X.

“…TV bands are candidates for unlicensed spectrum access based on cognitive radio (CR) devices. However, for a successful dynamic spectrum access regime in TV…”
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Dynamic channel assignment in shotgun cellular systems by Brown, T.X.

“…This paper analyzes dynamic channel assignment in cellular systems where the base stations are placed at random. Using a simple dynamic channel assignment…”
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Towards autonomous data ferry route design through reinforcement learning by Henkel, D., Brown, T.X.

“…Communication in delay tolerant networks can be facilitated by the use of dedicated mobile ldquoferriesrdquo which physically transport data packets between…”
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Delay-tolerant communication using mobile robotic helper nodes by Henkel, D., Brown, T.X.

“…Delay tolerant networks can exhibit long phases of complete unconnectedness, where several nodes will not be able to communicate effectively. In those…”
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