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Research Focus Filters: eHealth| eHome| All Technology Bulletins

Sep 15, 2010: GIS and Multi-Touch Surfaces

Most GIS applications used by utility companies are single user and runs on a regular PC. This makes paper based maps still a convenient alternative owing to its large size and ease of use in team collaboration scenarios. With the advent of Surface Computing technologies, the GIS data can now be viewed on a multi-touch surface. Multi-touch surfaces facilitates multi-user interaction and thus combines the benefits of GIS systems and paper maps. TRLabs has innovated a surface computing platform that is built on top of ArcGIS and Microsoft Silverlight/WPF with concurrency and convenience of use in mind.

Dec 15, 2009: Fault Tolerant Schemes for Cryptography

Nowadays, cryptography involves a large a m o u n t o f d a t a computations and these computation intensive tasks require a high level of accuracy. There are two potential risks in the conventional cryptosystem which are unreliable computations and active attackers along the communication channel. Because of these risks, efficient and light-weight fault tolerant schemes for error detection and correction are crucial and indispensible. The Algorithm Based Fault Tolerant (ABFT) technique has been applied to computation intensive tasks in a variety of fields for several years. This project applies the ABFT concept to cryptosystems so the cryptographic ABFT are capable of using the existing arithemetic logic units (ALUs) embedded in the original algorithms and can be performed concurrently with the cryptographic process without exerting much influence on the original performances. Due to this superiority over the other cryptographic fault tolerant strategies, overhead can be significantly reduced.

Jul 27, 2009: An Efficient Wireless Receiver Design

The employment of transmit diversity schemes has great significance in the context of future wideband wireless communication systems since they enhance transmission reliability with no additional power bandwidth requirements. In broadband data transmissions, however, the channel fades are frequency-selective in nature, which in turn, cause severe inter-symbol interference (ISI) at the receiver. The challenge is to apply space-time block codes (STBC) in the situation where the channel is experiencing doubly dispersive fading.

Aug 20, 2008: Trusted Gossip for Peer-to-Peer Information Sharing

TRLabs' researchers are proposing a trusted gossip protocol for rumor resistant information sharing in peer-to-peer networks.

Mar 27, 2008: Self-Fault Isolation in Transparent p-Cycle Networks: p-Cycles as Their Own m-Cycles

Researchers at TRLabs have proposed a novel idea to add rapid fault-localization in optical transparent networks by using a network’s p-cycles as m-cycles.

Oct 17, 2007: Globally Optimal Distributed Synchronous Batch Reconfiguration

Researchers at TRLabs have proposed a novel alternative concept for handling dynamic provisioning changes and ongoing network reconfiguration and reoptimization in general.

Sep 06, 2007: LDPC Encoder

Researchers at TRLabs and the University of Alberta have designed and implemented a low-density parity check (LDPC) encoder that conforms to the IEEE 802.16e-2005 standard.

Sep 06, 2007: Flexible Quantization of Channel State Information Feedback in Multiple Antenna Systems

Flexible Quantization of Channel State Information Feedback is the first in the planned suite of solutions for feeding back channel state information in multiple antenna systems, including compression of channel information, mitigation of the feedback channel delay and errors, and MIMO channel prediction.

May 29, 2007: Video Quality System

Researchers at TRLabs have developed a prototype no-reference video quality system to locate and measure the impact of three types of common impairments that influence the quality of television and video signals.

Apr 18, 2007: Wireless Interfacing For Industrial Machinery

Researchers at TRLabs are currently working to analyze the performance of the ZigBee wireless protocol under the influence of noise with the objective to establish design rules for wireless systems in industrial applications.

Feb 08, 2007: Adaptive Antenna in Wireless Indoor Networks

TRLabs has created an electronically steerable passive array radiator (ESPAR) antenna that has been shown to enhance the performance of 802.11 networks.

Jan 22, 2007: Robust Data Hiding With Image Invariants

TRLabs has developed a new technique for digital watermarking that has been shown to be more robust against geometric distortions.

Jan 16, 2007: Quality of Service Controls in Web Servers

TRLabs has developed a novel service differentiation policy that allows for a server to guarantee a certain Quality of Service (QoS).

Mar 07, 2006: Logarithmic Amplifier and Hilbert Transformer

TRLabs has developed the highest bandwidth Logarithmic Amplifier ever built as well as the first integrated 10 Gb/s Hilbert Transformer.