Browsing by Author "Chakrabarty, K"
Now showing items 1-17 of 17
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An energy-efficient data delivery scheme for delay-sensitive traffic in wireless sensor networks
Sabbineni, H; Chakrabarty, K (International Journal of Distributed Sensor Networks, 2010-12-01)We propose a novel data-delivery method for delay-sensitive traffic that significantly reduces the energy consumption in wireless sensor networks without reducing the number of packets that meet end-to-end real-time deadlines. ... -
CoSyn: Efficient Single-Cell Analysis Using a Hybrid Microfluidic Platform
Ibrahim, M; Chakrabarty, K; Schlichtmann, U (2016-11-18)Single-cell genomics is used to advance our understanding of diseases such as cancer. Microfluidic solutions have recently been developed to classify cell types or perform single-cell biochemical analysis on pre-isolated ... -
Datacollection in event-driven wireless sensor networks with mobile sinks
Sabbineni, H; Chakrabarty, K (International Journal of Distributed Sensor Networks, 2010-12-01)We present a two-tier distributed hash table-based scheme for data-collection in event-driven wireless sensor networks. The proposed method leverages mobile sinks to significantly extend the lifetime of the sensor network. ... -
Efficient Board-Level Functional-Fault Diagnosis with Missing Syndromes
Jin, S; Ye, F; Zhang, Z; Chakrabarty, K; Gu, X (2015-07-01)Functional fault diagnosis is widely used in board manufacturing to ensure product quality and improve product yield. Advanced machine-learning techniques have recently been advocated for reasoning-based diagnosis; these ... -
Error recovery in cyberphysical digital microfluidic biochips
Luo, Y; Chakrabarty, K; Ho, TY (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2013-01-07)Droplet-based digital microfluidics technology has now come of age, and software-controlled biochips for healthcare applications are starting to emerge. However, today's digital microfluidic biochips suffer from the drawback ... -
Execution of Provably Secure Assays on MEDA Biochips to Thwart Attacks
Chakrabarty, K; Liang, Tung-Che; Shayan, Mohammed; Karri, Ramesh (2018)Digital microfluidic biochips (DMFBs) have emerged as a promising platform for DNA sequencing, clinical chemistry, and point-of-care diagnostics. Recent research has shown that DMFBs are susceptible to various types of malicious ... -
Fault Tolerance for RRAM-Based Matrix Operations
Liu, Mengyun; Xia, Lixue; Wang, Yu; Chakrabarty, KAn RRAM-based computing system (RCS) provides an energy efficient hardware implementation of vector-matrix multiplication for machine-learning hardware. However, it is vulnerable to faults due to the immature RRAM fabrication ... -
Fault-Tolerant Valve-Based Microfluidic Routing Fabric for Droplet Barcoding in Single-Cell Analysis
Moradi, Y; Ibrahim, M; Chakrabarty, K; Schlichtmann, U (2017-12-11)High-throughput single-cell genomics is used to gain insights into diseases such as cancer. Motivated by this important application, microfluidics has emerged as a key technology for developing comprehensive biochemical ... -
Functional test-sequence grading at register-transfer level
Fang, H; Chakrabarty, K; Jas, A; Patil, S; Tirumurti, C (IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2012-01-01)We propose output deviations as a surrogate metric to grade functional test sequences at the register-transfer level without explicit fault simulation. Experimental results for the open-source Biquad filter core and the ... -
Generation of compact stuck-at test sets targeting unmodeled defects
Kavousianos, X; Chakrabarty, K (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2011-05-01)This letter presents a new method to generate compact stuck-at test sets that offer high defect coverage. The proposed method first selects the most effective patterns from a large $N$-detect repository, by using a new output ... -
Synthesis of a Cyberphysical Hybrid Microfluidic Platform for Single-Cell Analysis
Ibrahim, M; Chakrabarty, K; Schlichtmann, U (2017-10-16)Single-cell genomics is used to advance our understanding of diseases such as cancer. Microfluidic solutions have recently been developed to classify cell types or perform single-cell biochemical analysis on pre-isolated ... -
Synthesis of Reconfigurable Flow-Based Biochips for Scalable Single-Cell Screening
Ibrahim, M; Sridhar, A; Chakrabarty, K; Schlichtmann, U (2018-01-11)Single-cell screening is used to sort a stream of cells into clusters (or types) based on pre-specified biomarkers, thus supporting type-driven biochemical analysis. Reconfigurable flowbased microfluidic biochips (RFBs) ... -
Test-Cost Modeling and Optimal Test-Flow Selection of 3D-Stacked ICs
Agrawal, M; Chakrabarty, K (2015-03-02)Three-dimensional (3D) integration is an attractive technology platform for next-generation ICs. Despite the benefits offered by 3D integration, test cost remains a major concern, and analysis and tools are needed to understand ... -
Test-Cost Optimization and Test-Flow Selection for 3D-Stacked ICs
Agrawal, M; Chakrabarty, K (2012-10-26)Three-dimensional (3D) integration is an attractive technology platform for next-generation ICs. Despite the benefits offered by 3D integration, test cost remains a major concern, and analysis and tools are needed to understand ... -
Test-Delivery Optimization in Manycore SOCs
Agrawal, M; Richter, M; Chakrabarty, K (2013-03-18)We present two test-data delivery optimization algorithms for system on-chip (SOC) designs with hundreds of cores, where a network-on-chip (NOC) is used as the interconnection fabric. We first present an e ective algorithm ... -
Test-pattern selection for screening small-delay defects in very-deep submicrometer integrated circuits
Yilmaz, M; Chakrabarty, K; Tehranipoor, M (IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2010-05-01)Timing-related defects are major contributors to test escapes and in-field reliability problems for very-deep submicrometer integrated circuits. Small delay variations induced by crosstalk, process variations, power-supply ... -
Time-division multiplexing for testing SoCs with DVS and multiple voltage islands
Kavousianos, X; Chakrabarty, K; Jain, A; Parekhji, R (Proceedings - 2012 17th IEEE European Test Symposium, ETS 2012, 2012-08-13)Dynamic voltage scaling (DVS) has been widely adopted in multicore SoCs for reducing dynamic power consumption. Despite its benefits, the use of DVS increases test time because high product quality can only be ensured by ...