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R&D Publications

Structured Encryption for Conceptual GraphsNovember 7, 2012

The authors investigate the problem of privately searching encrypted data that is structured in the form of knowledge.

Comparative Analysis of IEEE 802.11g Multimedia Multicast Performance Using RTP with an Implemented Test-bedOctober 21, 2012

In this paper, we investigate the 802.11g multicast performance with and without the enhanced multicast mechanism.

A Pre-Processing Approach for Efficient Feature Matching Process in Extreme Illumination ScenarioOctober 15, 2012

In this paper, the accuracy of SURF feature descriptors used in feature matching between two input images of extreme illumination levels are evaluated.

Single Carrier Adaptive Array for STBC Transmission over Cognitive Radio NetworkOctober 15, 2012

In this paper, we present a single carrier adaptive array for space time block coding (STBC) transmission over underlay cognitive radio (CR) network.

Throughput Analysis of IEEE802.11n using OPNETOctober 8, 2012

The aim of this paper is to evaluate the throughput performance of IEEE802.11n WLANs using a well-known commercial simulator called OPNET Modeler.

End-to-End Performance Analysis on Wireless Multi-hop Networks with Deterministic Offered LoadOctober 8, 2012

The authors introduce individual maximum number of waiting packets for ingress interfaces of mesh access points at the network layer to partially control successful transmit probabilities of forwarding packets received from different radio cards in all congested mesh access points.

Design and Characterization of Bandgap Voltage ReferenceSeptember 19, 2012

This paper presents the design and characterization of 1.8V bandgap voltage reference fabricated using Siltera’s 0.18um CMOS process technology.

Calibration Parameters in TCAD for Predictive MOSFET Device SimulationsSeptember 9, 2012

This paper presents a methodology for TCAD advanced calibration of MOSFET particularly on critical electrical parameters during device simulations.

Enriching Webpages with Semantic InformationSeptember 3, 2012

This paper proposes a tool to automatically enrich webpages with semantic information by annotating keywords in the document with microdata markup.

Queueing Network Models for Delay Analysis of Heterogeneous WMNAugust 16, 2012

In this paper, we model random access heterogeneous wireless mesh network (HWMN) as open G/G/1 queuing networks and apply the diffusion approximation for obtaining closed form expressions for the average end-to-end delay.

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