Recently, a new kind of cell phones known as “smartphones” is introduced and sold to the public in great numbers. A smartphone generally refers to a cell phone that is capable of communicating through the internet (via wireless internet or data network), determining its current positions (with Global Positioning System, GPS), and taking photos (with […]

As data transmission rates increase, transmission quality over existing channels degrades. Advanced signal processing techniques to compensate for the mechanisms which degrade transmission quality are known. Simulations studies conducted at the data rates proposed for next generation data communication products show that pre-cursor inter-symbol interference (ISI) is becoming a significant contributor to degradation in transmission […]

Location information is an important enabler for context-aware services and communication system improvement. Localization can be performed by comparing the power readings of all surrounding wireless transmitters to a database of these readings at all possible locations, known as the radio map. For this localization process to work, the system requires accurate radio maps. Our […]

This proposal describes a research project towards a spoken dialog translation system  that holds a broad range of potential applications. In particular, the proposal describes a system that will be developed and can be integrated in hand-held devices where a user may talk to the system in ones preferred language and the system produces a […]

In general, if a user is not willing/able to implement himself the solution, attaching sensor and actuator equipment to a computer typically leads to disproportionately expensive  purchases of proprietary hardware or software, which often still requires a considerable time investment. The goal of our planned company is to provide affordable computer-attached electronic equipment to individuals […]

The ever growing market demands for higher data rates and more reliable communication are the main drivers behind the technological growth in the wireless telecommunications industry. This R&D project aims to address an innovative technological shift from conventional wireless cellular networks to a paradigm of cooperative cellular networks that can potentially provide multiple-fold improvements in […]

One of the proposed benefits of adopting electronic health records is the development of a comprehensive database which can be used for epidemiological, clinical, and health services research. The main purpose of this project is to develop strategies and provide case examples of how data from these extensive electronic databases can be used to improve […]

In a typical scenario, a large heterogeneous software system, installed on many different sites and composed of several interacting components, exchanging data with several different protocols, must be updated to correct some defects, add new functionalities, or replace some obsolete components without breaking the system and while keeping its dependability. This research project aims at […]

Currently the implementation of navigation information systems – sometimes called “GPS” or GNSS (Global Navigation Satellite Systems) for convenience – is undergoing some significant transitions.  Additional satellite constellations are being proposed and fielded (Glonass, Galileo, Compass, SBAS) aggressively.  In addition location technology is rapidly being incorporated into the mass-market consumer space thru implementation in cellular […]

Word segmentation in handwritten document is a difficult task because inter-word-spacing (i.e. the space between parts of the same word) is sometimes wider than the intra-word-spacing (i.e. the space between two consecutive words). Many different approaches to segmenting words have been proposed so far. However these segmentation approaches usually use some parameters that are manually […]

Real-time systems are built as sets of components interacting with their environment. In most cases (including robotics, traffic control, manufacturing and industrial applications, etc.), these applications must satisfy "hard" timing constraints. If these constraints are not met, systems decisions (even correctly computed) can lead to catastrophic consequences for goods or lives. The development of real-time […]

Geometric Networks typically are a sparse subgraphs of  a complete graph defined over a set of points embedded in the plane (or space). There are several algorithms which take a complete graph and compute a sparse subgraph satisfying various constraints, e.g.  low diameter, constant degree and fault-tolerant. In our recent work, we have designed algorithms […]