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In this paper a novel methodology for indexing domain specific audio archives using linguistic information present in the speech signal is discussed. The audio indexing system is phone based and can work under limited training data conditions. A training data set that captures the linguistic information within Hindi language at the syllable level is first developed. A reduced phone set is then derived...
Advances in wireless communication technologies have enabled vehicles on a highway to communicate in order to share state information and provide drivers with potential collision warnings. This paper proposes a protocol to support such a vehicle collision warning system. By sharing vehicle state information, the protocol is able to predict potential collisions and deliver warning messages to address...
We present PREACH, an industrial strength distributed explicit state model checker based on Murphi. The goal of this project was to develop a reliable, easy to maintain, scalable model checker that was compatible with the Murphi specification language. PREACH is implemented in the concurrent functional language Erlang, chosen for its parallel programming elegance. We use the original Murphi front-end...
This paper discusses a methodology used on an industrial hardware development project to validate various cache-coherence protocol components. The idea is to use a high level model (HLM) written in Murphi for model checking purposes, and then to use the HLM as a checker during dynamic (i.e. simulation based-) validation of the RTL. Such a checker requires a formal notion of what it means for the RTL...
In a pervasive sensor system, application entities may use the available infrastructure resources such as sensing devices, actuators, wireless modules and gateways to accomplish various tasks. For example, a group of humans/robots may use the infrastructure to track the current location of the group members. Many such tasks require a service which keeps track of the order of occurrence of events in...
The rapid growth of Universal Remote Controls, Interactive Remote Controls, electronics Products and Infra-red (IR) Database business has increased the need for effective and standardized IR Database compression techniques. In order to support a large number of Remote control models in a Universal remote, one must compress the available IR database as best as possible. This paper presents a new algorithm...
802.11 standards have been defined by IEEE and are in continuous state of evolution and current research in this area is focused on providing data rates, QOS, security and interoperability equivalent to their wired counterparts. Provision of mobility in 802.11 based wireless networks is another big issue and algorithms providing low latency handoff with reduced data loss and signaling overhead needs...
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