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- research-articleNovember 2023
Finding Near-optimal Configurations in Colossal Spaces with Statistical Guarantees
ACM Transactions on Software Engineering and Methodology (TOSEM), Volume 33, Issue 1Article No.: 7, Pages 1–36https://doi.org/10.1145/3611663A Software Product Line (SPL) is a family of similar programs. Each program is defined by a unique set of features, called a configuration, that satisfies all feature constraints. “What configuration achieves the best performance for a given workload?” is ...
- short-paperSeptember 2023
On the Order Statistics of Chemical Kinetics and Their Role in Molecular Communication
NANOCOM '23: Proceedings of the 10th ACM International Conference on Nanoscale Computing and CommunicationPages 158–159https://doi.org/10.1145/3576781.3608732Biochemical processes can be sensitive to the precise timing of chemical reactions, especially when the reactions are infrequent or low in number. This work-in-progress paper presents the order statistics for zeroth order chemical reactions, which can ...
- short-paperJanuary 2023
Demonstration of Order Statistics Based Flash ADC in a 65nm Process
ASPDAC '23: Proceedings of the 28th Asia and South Pacific Design Automation ConferencePages 188–189https://doi.org/10.1145/3566097.3567946This paper presents measurement results of a flash ADC that utilizes offset voltages as references. To operate the minimum number of comparators, we select the target comparators based on the rankings of the offset voltage. We present performance ...
- extended-abstractJuly 2022
Estimation of Standard Auction Models
EC '22: Proceedings of the 23rd ACM Conference on Economics and ComputationPages 602–603https://doi.org/10.1145/3490486.3538284We provide efficient estimation methods for first- and second-price auctions under independent (asymmetric) private values and partial observability. Given a finite set of observations, each comprising the identity of the winner and the price they paid ...
- research-articleJanuary 2022
An improved demodulation for LoRa through a threshold-based detection of error
International Journal of Mobile Network Design and Innovation (IJMNDI), Volume 10, Issue 3Pages 154–165https://doi.org/10.1504/ijmndi.2022.126466This paper deals with an improved demodulation technique for LoRa signal. The principle consists of detecting the possible errors of demodulation, by comparing the highest peak of the periodogram of the dechirped received signal weighted by a coefficient ...
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- research-articleJanuary 2021
A hybrid method for differentially expressed genes identification and ranking from RNA-Seq data
International Journal of Bioinformatics Research and Applications (IJBRA), Volume 17, Issue 1Pages 38–52https://doi.org/10.1504/ijbra.2021.113964RNA-Seq has gained immense popularity and emerged as a potential high-throughput platform for identification of differentially expressed (DE) genes. In order to estimate the nature of differential genes, it is important to find statistical distributional ...
- research-articleJanuary 2021
How to Play Fantasy Sports Strategically (and Win)
Daily fantasy sports (DFS) is a multibillion-dollar industry with millions of annual users and widespread appeal among sports fans across a broad range of popular sports. Building on recent work, we provide a coherent framework for constructing DFS ...
- research-articleJanuary 2021
Inferring Relative Ability from Winning Probability in Multientrant Contests
SIAM Journal on Financial Mathematics (SIFIN), Volume 12, Issue 1Pages 295–317https://doi.org/10.1137/19M1276261We provide a fast and scalable numerical algorithm for inferring the distributions of participant scores in a contest under the assumption that each participant's score distribution is a translation of every other's. We term this the horse race problem, ...
- research-articleNovember 2020
Convolutional neural network based blind automatic modulation classification robust to phase and frequency offsets
IET Communications (CMU2), Volume 14, Issue 20Pages 3578–3584https://doi.org/10.1049/iet-com.2019.0980In this study, the authors propose robust automatic modulation classifiers using convolutional neural networks (CNNs). CNNs can identify features directly from a received signal when appropriately trained. They trained the classifier by taking the ...
- research-articleJanuary 2020
An Upper Bound on Error Probability in Communication Systems with Single-User Reception Based on Order Statistics
Automation and Remote Control (ARCO), Volume 81, Issue 1Pages 107–117https://doi.org/10.1134/S0005117920010099AbstractThe model of a channel that describes the transmission of information in communication systems with a single-user receiver based on order statistics is considered. The transmission of information through such a channel using a linear block code is ...
- research-articleDecember 2018
A Probability Model for Strategic Bidding on “The Price Is Right”
Decision Analysis (INFORMS-DA), Volume 15, Issue 4Pages 195–207https://doi.org/10.1287/deca.2018.0373The TV game show “The Price is Right” features a bidding auction called “Contestants’ Row” that rewards the player (out of 4) who bids closest to an item’s value, without overbidding. This paper considers ways in which players can maximize a winning ...
- research-articleNovember 2018
Stochastic comparisons and multivariate dependence for the epoch times of trend renewal processes
Journal of Multivariate Analysis (JMUL), Volume 168, Issue CPages 174–184https://doi.org/10.1016/j.jmva.2018.07.011AbstractIn this paper we study stochastic comparisons and dependence properties for the epoch and inter-epoch times of trend renewal processes with different trend functions. These results extend some of the results on the non-homogeneous ...
- articleFebruary 2018
Space Reduction for a Class of Multidimensional Markov Chains: A Summary and Some Applications
In this paper, we present examples of a class of Markov chains that occur frequently, but whose associated matrices are a challenge to construct efficiently. These are Markov chains that arise as a result of several identical Markov chains running in ...
- research-articleOctober 2017
A new approach for continuously monitoring project deadlines in software development
IWSM Mensura '17: Proceedings of the 27th International Workshop on Software Measurement and 12th International Conference on Software Process and Product MeasurementPages 161–169https://doi.org/10.1145/3143434.3143439Checking regularly the progress of a running entire software development project or parts of it is a mandatory task of project management. The purpose of progress checks is to monitor whether an actual project will be completed successfully at the ...
- articleMarch 2017
A modified normalized min-sum algorithm for LDPC decoding using order statistics
International Journal of Satellite Communications and Networking (WSAT), Volume 35, Issue 2Pages 163–175https://doi.org/10.1002/sat.1173In this paper, we propose a new modified normalized min-sum algorithm for low-density parity-check decoding. Instead of normalizing the results of the check node renew calculations by a single modification factor, we use two different modification ...
- articleJuly 2016
Distribution-free precedence control charts with improved runs-rules
Applied Stochastic Models in Business and Industry (ASMBI), Volume 32, Issue 4Pages 423–439https://doi.org/10.1002/asmb.2159Distribution-free nonparametric control charts are helpful in applications where we do not have enough information about the underlying distribution. The Shewhart precedence charts is a class of Phase I nonparametric charts for location. One of these ...
- articleJanuary 2016
Serial Weibull Rayleigh distribution: theory and application
International Journal of Computing Science and Mathematics (IJCSM), Volume 7, Issue 3Pages 239–244https://doi.org/10.1504/IJCSM.2016.077859In this study, a new probability distribution called the serial Weibull Rayleigh distribution has been proposed and its mathematical properties derived. An application of the new distribution using a real lifetime dataset revealed that the new ...
- research-articleNovember 2015
Robust Subspace Clustering via Thresholding
IEEE Transactions on Information Theory (ITHR), Volume 61, Issue 11Pages 6320–6342https://doi.org/10.1109/TIT.2015.2472520The problem of clustering noisy and incompletely observed high-dimensional data points into a union of low-dimensional subspaces and a set of outliers is considered. The number of subspaces, their dimensions, and their orientations are assumed unknown. We ...
- research-articleApril 2015
Performance of OFDM Systems With Best- <inline-formula> <tex-math notation="TeX">$m$</tex-math></inline-formula> Feedback, Scheduling, and Delays for Uniformly Correlated Subchannels
IEEE Transactions on Wireless Communications (TWC), Volume 14, Issue 4Pages 1983–1993https://doi.org/10.1109/TWC.2014.2378279Contemporary cellular standards, such as Long Term Evolution (LTE) and LTE-Advanced, employ orthogonal frequency-division multiplexing (OFDM) and use frequency-domain scheduling and rate adaptation. In conjunction with feedback reduction schemes, high ...
- research-articleOctober 2014
Energy efficient generalised selection combining scheme considering circuit power dissipation
IET Communications (CMU2), Volume 8, Issue 15Pages 2652–2658https://doi.org/10.1049/iet-com.2013.1107Increasing the number of transmit antennas can improve the diversity gain of the system, and accordingly reduce the transmit power dissipation. However, the high circuit power dissipation incurred cannot be ignored. Generalised selection combining, which ...