Works Published in 2014
Displaying works 41 - 60 of 415 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2014 journal article
Epidermal tattoo potentiometric sodium sensors with wireless signal transduction for continuous non-invasive sweat monitoring
Biosensors and Bioelectronics, 54, 603–609.
Contributors: A. Bandodkar* , D. Molinnus *, O. Mirza*, T. Guinovart*, J. Windmiller*, G. Valdés-Ramírez *, F. Andrade*, M. Schöning*, J. Wang *
author keywords: Sweat sodium; Screen printing; Epidermal electronics; Wireless electronics; Ion selective electrode
MeSH headings : Biosensing Techniques / instrumentation; Equipment Design; Exercise; Humans; Ion-Selective Electrodes; Potentiometry / instrumentation; Sodium / analysis; Sodium / metabolism; Sweat / chemistry; Sweat / metabolism; Wireless Technology / instrumentation
TL;DR:
The favorable analytical performance along with the wearable nature of the wireless transceiver makes the new epidermal potentiometric sensing system attractive for continuous monitoring the sodium dynamics in human perspiration during diverse activities relevant to the healthcare, fitness, military, healthcare and skin-care domains.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: October 30, 2020
2014 journal article
Non-invasive mouthguard biosensor for continuous salivary monitoring of metabolites
The Analyst, 139(7), 1632–1636.
Contributors: G. Valdés-Ramírez *, A. Bandodkar* , W. Jia *, A. Martinez*, R. Julian *, P. Mercier *, J. Wang *
MeSH headings : Biomarkers / analysis; Biosensing Techniques / instrumentation; Biosensing Techniques / methods; Humans; Lactic Acid / analysis; Monitoring, Physiologic; Saliva / chemistry; Saliva / enzymology; Saliva / metabolism; Time Factors
TL;DR:
The new mouthguard enzymatic biosensor, based on an immobilized lactate oxidase and a low potential detection of the peroxide product, exhibits high sensitivity, selectivity and stability using whole human saliva samples.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: October 30, 2020
2014 chapter
Synthetic Computation: Chaos Computing, Logical Stochastic Resonance, and Adaptive Computing
In International Conference on Theory and Application in Nonlinear Dynamics (ICAND 2012) (pp. 51–65).
TL;DR:
This paper demonstrates how a chaotic system can be engineered and mated with different machine learning techniques, such as artificial neural networks, random searching, and genetic algorithm, to design different autonomous systems that can adapt and respond to environmental conditions.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(OpenAlex)
Source: Crossref
Added: October 29, 2020
2014 conference paper
ENF signal induced by power grid: A new modality for video synchronization
ACM International Workshop on Immersive Media Experiences, 13–18.
Event: ACM
Source: ORCID
Added: October 16, 2020
2014 conference paper
5G in space: PHY-Layer design for satellite communications using non-orthogonal multi-carrier transmission
2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop, ASMS/SPSC 2014, 2014-January, 190–196.
Contributors: J. Dommel*, G. Boccolini*, L. Raschkowski *, S. Jaeckel*, L. Thiele*, T. Haustein*, N. Prelcic *
TL;DR:
The properties of Filter Bank Multicarrier (FBMC) as potential MC transmission scheme is discussed taking into account the requirements for the satellite-specific PHY-Layer like non-linear distortions due to High Power Amplifiers.
(via Semantic Scholar)
Source: ORCID
Added: October 8, 2020
2014 conference paper
Sensitivity of compressive sensing architectures based on time interleaved analog-to-digital converters to channel mismatches
2014 IEEE 12th International New Circuits and Systems Conference, NEWCAS 2014, 45–48.
Contributors: R. Méndez-Rial *, J. Caurel-Carrera* & N. González-Prelcic *
TL;DR:
This paper studies the performance of analog to information converters based on time interleaved analog to digital converters (TI-ADCs) when real components are used as the core of the sampling devices.
(via Semantic Scholar)
Source: ORCID
Added: October 8, 2020
2014 conference paper
Power spectrum blind sampling using optimal multicoset sampling patterns in the MSE sense
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 1055–1059.
Contributors: B. Tausiesakul * & N. Gonzalez-Prelcic *
TL;DR:
The design of a multicoset sampling pattern to be used in power spectrum blind sampling (PSBS) is considered and the criterion for the PSBS pattern design is based on the minimization of the mean square error of the power spectrum estimate.
(via Semantic Scholar)
Source: ORCID
Added: October 8, 2020
2014 conference paper
Circular sparse rulers based on co-prime sampling for compressive power spectrum estimation
2014 IEEE Global Communications Conference, GLOBECOM 2014, 3044–3050.
Contributors: N. González-Prelcic * & M. Domínguez-Jiménez*
TL;DR:
This paper solves the design of low rate covariance Samplers by developing a multicoset sampling strategy based on co-prime samplers, achieving higher compression ratios than previous solutions.
(via Semantic Scholar)
Source: ORCID
Added: October 8, 2020
2014 conference paper
A compact model for compound semiconductor tunneling field-effect-transistors
Conference Proceedings - IEEE SOUTHEASTCON.
Contributors: U. Mehta n, W. Borders n, L. Lunardi n , H. Liu* & S. Datta *
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: September 21, 2020
2014 conference paper
Integrated simulation and emulation using adaptive time dilation
Proceedings of the 2nd ACM SIGSIM/PADS conference on Principles of advanced discrete simulation - SIGSIM-PADS '14.
author keywords: Simulation; Emulation; Virtualization; Time Dilation; ns-3; KVM
TL;DR:
This approach uses time dilation to reduce simulation delays and thus increasing the accuracy of the integrated simulation and emulation system, and dynamically controls the timeDilation factor to avoid system overloads for both the simulation and the emulation components.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(Web of Science)
Source: ORCID
Added: September 18, 2020
2014 conference paper
High Accuracy Back-Retreat Diffusion-Fuzzy Clustering of Breast Cancer Data for the Detection of Malignancy
Biomedical Engineering / 817: Robotics Applications. Presented at the Biomedical Engineering / Robotics Applications.
Event: Biomedical Engineering / Robotics Applications
TL;DR:
A novel fuzzy clustering method has been proposed here for separating the breast cancer data, which operates with reasonable accuracy, allows flexibility in dataset and is modestly time consuming.
(via Semantic Scholar)
semanticscholar.org (repository)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: September 16, 2020
2014 journal article
A Comparative Study of Mathematical Modeling of Photovoltaic Array
International Journal of Emerging Electric Power Systems, 15(4), 313–326.
Sources: Crossref, NC State University Libraries
Added: September 16, 2020
2014 conference paper
Space-time physical-layer network coding: Harnessing interference in multi-way communication
2014 IEEE Global Communications Conference, GLOBECOM 2014, 1559–1564.
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2014 journal article
Space-time interference alignment and degree-of-freedom regions for the MISO broadcast channel with periodic CSI feedback
IEEE Transactions on Information Theory, 60(1), 515–528.
Contributors: N. Lee & R. Heath*
author keywords: Delayed channel state information feedback; interference alignment; vector broadcast channel
TL;DR:
A crucial insight is that it is possible to achieve the optimal DoF gain if the feedback delay is less than a derived fraction of the channel coherence time, which precisely characterizes the intuition that a small delay should be negligible.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2014 journal article
Spatially sparse precoding in millimeter wave MIMO systems
IEEE Transactions on Wireless Communications, 13(3), 1499–1513.
Contributors: O. Ayach*, S. Rajagopal*, S. Abu-Surra*, Z. Pi* & R. Heath*
author keywords: Millimeter wave; multiple-input multiple-output (MIMO); antenna arrays; beamforming; precoding; cellular communication; sparsity; sparse reconstruction; basis pursuit; limited feedback
TL;DR:
This paper considers transmit precoding and receiver combining in mmWave systems with large antenna arrays and develops algorithms that accurately approximate optimal unconstrained precoders and combiners such that they can be implemented in low-cost RF hardware.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2014 conference paper
Single-sided adaptive estimation of multi-path millimeter wave channels
IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC, 2014-October(October), 125–129.
Contributors: A. Alkhateeb *, O. El Ayach*, G. Leus * & R. Heath*
TL;DR:
A mmWave channel estimation algorithm that exploits the sparse nature of the channel and leverages tools from adaptive compressed sensing to efficiently estimate the channel with a small training overhead is proposed.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2014 journal article
Modeling the time-Varying subjective quality of HTTP video streams with rate adaptations
IEEE Transactions on Image Processing, 23(5), 2206–2221.
Contributors: C. Chen *, L. Choi *, G. De Veciana *, C. Caramanis*, R. Heath* & A. Bovik *
author keywords: QoE; HTTP-based streaming; time-varying subjective quality
TL;DR:
A Hammerstein-Wiener model is presented for predicting the time-varying subjective quality (TVSQ) of rate-adaptive videos and it is shown that the model is able to reliably predict the TVSQ of rate adaptive videos.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2014 journal article
Signal processing for the 5G revolution
IEEE Signal Processing Magazine, 31(6), 12–13.
Source: ORCID
Added: September 11, 2020
2014 conference paper
Optimal training in continuous flat-fading massive MIMO systems
20th European Wireless Conference, EW 2014, 219–224. http://www.scopus.com/inward/record.url?eid=2-s2.0-84916918363&partnerID=MN8TOARS
Contributors: K. Truong, A. Lozano & R. Heath
Source: ORCID
Added: September 11, 2020
2014 conference paper
Millimeter wave cellular channel models for system evaluation
2014 International Conference on Computing, Networking and Communications, ICNC 2014, 178–182.
Contributors: T. Bai*, V. Desai* & R. Heath Jr.
TL;DR:
A simple channel model is presented for evaluating system level performance in mmWave cellular networks and it is observed that mmWave networks can provide comparable coverage probability with a dense deployment, leading to much higher data rates thanks to the large bandwidth available in the mmWave spectrum.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
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