Intelligent routing and bandwidth allocation in wireless networks (2008)
Ioannis N. Kassabalidis, Arindam K. Das, Payman Arabshahi, Andrew A. Gray
Abstract – Sensor networks and satellite constellations face a number of challenges for reliable and robust communications. Increasingly heterogeneous nodes and a multitude of new emerging Earth...
Intelligent routing and bandwidth allocation in wireless networks (2008)
Ioannis N. Kassabalidis, Arindam K. Das, Payman Arabshahi, Andrew A. Gray
Abstract – Sensor networks and satellite constellations face a number of challenges for reliable and robust communications. Increasingly heterogeneous nodes and a multitude of new emerging Earth...
An architecture for a space-based reconfigurable protocol chip (2008)
Clayton Okino, Clement Lee, Andrew Gray, Payman Arabshahi, Wai Fong, Jason Soloff
Abstract- In this work, we present a framework for a spacebased reconfigurable protocol chip. We identify key input stimuli that would promote reconfiguration. Utilizing the identified stimuli, we...
Arindam K. Das, Robert J. Marks, Payman Arabshahi, Andrew Gray
Abstract — We consider the problem of power controlled minimum frame length scheduling for TDMA wireless networks. Given a set of one-hop transmission requests, our objective is to schedule them in...
A Fuzzy Decision System for Ultrasonic Prenatal Examination Enhancement (2007)
This paper has presented the first successful investigation into a promising research area. We are currently pursuing this project further in the following areas: (i) Development of Signal...
Development and Performance Analysis of a Class of Intelligent Target Recognition Algorithms (2007)
Mark Tillman, Payman Arabshahi
This paper develops and compares two fuzzy logic based and a traditional rule-based pattern recognition system, which perform target recognition with data from a typical range and doppler resolving...
Arindam K. Das, Mohamed El-sharkawi, Payman Arabshahi, Andrew Gray
Abstract- For omnidirectional wireless broadcast, if a node has sufficient power to broadcast to another node, it also has the ability to broadcast to all closer nodes. This is the wireless...
Fuzzy Supervised Optimal Regulator for Spacecraft Formation Flying (2007)
Kourosh Rahnamai, Payman Arabshahi, Andrew Gray
The Cassini-Huygens mission to Saturn is the end of an era for NASA; sending one large spacecraft equipped to carry out a multitude of scientific experiments. Future NASA missions will deploy many...
High Reliability Neural Networks Structure with Application to Spacecraft ASMS Tone Detection (2007)
Kourosh Rahnamai, John Maleyeff, Payman Arabshahi, Tsun-yee Yan
In this study we will show that the research on Nversion high-reliability software structures can be extended to neural networks architecture. In addition, we will explore the possibility of applying...
Adaptive Acquisition and Tracking for Deep Space Array Feed Antenna Systems (2007)
Ryan Mukai, Victor A. Vilnrotter, Payman Arabshahi, Member Ieee, Member Ieee, Vahraz Jamnejad
The use of radial basis function networks and least squares algorithms for acquisition, and fine track-ing of NASA’s 70-meter deep space network antennas is described and evaluated. We demonstrate...
A Fuzzy Decision System for Ultrasonic Prenatal (2007)
Examination Enhancement Brian, Brian J. Smith, Payman Arabshahi
This paper has presented the first successful investigation into a promising research area. We are currently pursuing this project further in the following areas: (i) Development of Signal...
Arindam K. Das, Robert J. Marks, Mohamed El-sharkawi, Payman Arabshahi, Andrew Gray
Abstract—We consider the problem of maximizing the timeto-first-failure, defined as the time till the first node in the network runs out of battery energy, in energy constrained broadcast wireless...
e-merge: A Heuristic for Improving Minimum Power Broadcast Trees in Wireless Networks (2003)
Arindam K. Das, Robert J. Marks, Mohamed El-sharkawi, Payman Arabshahi, Andrew Gray
Wireless multicast/broadcast sessions, unlike wired networks, inherently reaches several nodes with a single transmission. For omnidirectional wireless broadcast to a node, all nodes closer will also...
The minimum power broadcast problem in wireless networks: an ant colony system approach (2002)
Arindam K. Das, Robert J. Marks, Mohamed El-sharkawi, Payman Arabshahi, Andrew Gray
Wireless multicast/broadcast sessions, unlike wired networks, inherently reaches several nodes with a single transmission. For omnidirectional wireless broadcast to a node, all nodes closer will also...
Minimum power broadcast trees for wireless networks: Optimizing using the viability lemma (2002)
Arindam K. Das, Robert J. Marks, Mohamed El-sharkawi, Payman Arabshahi, Andrew Gray
Abstract — Wireless multicast/broadcast sessions, unlike wired networks, inherently reaches several nodes with a single transmission. For omnidirectional wireless broadcast to a node, all nodes...
Object-Oriented Reconfigurable Processing for Wireless Networks (2002)
Andrew Gray Clement, Andrew A. Gray, Clement Lee, Payman Arabshahi, Jeffrey Srinivasan
We present an outline of reconfigurable processor technologies and design methods with emphasis on an objectoriented approach, and both full and partial dynamic reconfiguration. A specific broadly...
Adaptive Routing in Wireless Communication Networks using Swarm Intelligence (2001)
Payman Arabshahi, Andrew Gray, Ioannis Kassabalidis, Arindam Das, Sreeram Narayanan, Mohamed El-sharkawi, ...
computationally intelligent fast acquisition algorithm for deep space optical communications (1998)
Kourosh Rahnamai, Payman Arabshahi, Tsun-yee Yan
Abstract — An essential requirement in the design and implementation of optical receivers for deep space communications is the development of a low-complexity, fast, and intelligent frame and...
Pointer Adaptation and Pruning of Min–Max Fuzzy Inference and Estimation (1997)
Payman Arabshahi, Robert J. Marks, Seho Oh, Thomas P. Caudell, J. J. Choi, Bong-gee Song
Abstract—A new technique for adaptation of fuzzy membership functions in a fuzzy inference system is proposed. The pointer technique relies upon the isolation of the specific membership functions...
Pointer Adaptation and Pruning of Min--Max Fuzzy (1997)
Inference And Estimation, Payman Arabshahi, Robert J. Marks, Seho Oh, Thomas P. Caudell, J. J. Choi, ...
A new technique for adaptation of fuzzy membership functions in a fuzzy inference system is proposed. The pointer technique relies upon the isolation of the specific membership functions that...
Thesis (M.S.E.E.)--University of Washington, 1990.
Fourier Analysis and Filtering of a Single Hidden Layer Perceptron (1994)
Robert J. Marks II, Payman Arabshahi
We show that the Fourier transform of the linear output of a single hidden layer perceptron consists of a multitude of line masses passing through the origin. Each line corresponds to one of the...
Adaptation of Fuzzy Inferencing: A Survey (1993)
Payman Arabshahi, Russell Reed
Abstract — Fuzzy inference has numerous applications, ranging from control to forecasting. A number of researchers have suggested how such systems can be tuned during application to enhance...
Pointer Adaptation and Pruning of Min-Max Fuzzy Inference and Estimation
Payman Arabshahi, Robert J. Marks, Seho Oh, Neopath Inc, T. P. Caudell, ...
A new technique for adaptation of fuzzy membership functions in a fuzzy inference system is proposed. The pointer technique relies upon the isolation of the specific membership functions that...