Electrical and Computer Engineering

Works Published in 2018

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Displaying works 81 - 100 of 467 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2018 journal article

Factors Affecting ENF Capture in Audio

IEEE Transactions on Information Forensics and Security, 14(2), 277–288.

author keywords: ENF traces; embedding; recording environment; recording devices
TL;DR: The impact of the characteristics of an audio recorder and the environment and manner of recording on the intrinsically captured ENF are shown and analyzed and can help inform related studies in the future. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: October 16, 2020

2018 article

Counterfeit detection scheme using paper surfaces and mobile cameras

Wu, M., & Wong, C.-W. (2018, November).

By: M. Wu & C. Wong

Source: ORCID
Added: October 16, 2020

2018 conference paper

Adaptive multi-trace carving based on dynamic programming

52nd Asilomar Conference on Signals, Systems, and Computers, 1716–1720.

Event: IEEE

TL;DR: Experimental results reveal that the proposed method outperforms the state-of-the-art methods especially under low SNR conditions. (via Semantic Scholar)
Source: ORCID
Added: October 16, 2020

2018 conference paper

Channel Estimation for Frequency-Selective mmWave MIMO Systems with Beam-Squint

2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings.

Contributors: J. Rodríguez-Fernández* & N. González-Prelcic*

TL;DR: This paper proposes an algorithm that approximates the optimal solution to the dictionary-constrained Maximum-Likelihood (ML) estimator for frequency-selective mmWave channels considering frequency-dependent array responses and develops a suboptimal channel estimation strategy to consider the beam squint effect. (via Semantic Scholar)
Source: ORCID
Added: October 8, 2020

2018 conference paper

Promoting academic and career success for raleigh future scholars at NC state university

ASEE Annual Conference and Exposition, Conference Proceedings, 2018-June. http://www.scopus.com/inward/record.url?eid=2-s2.0-85051175423&partnerID=MN8TOARS

By: L. Lunardi, C. Cass & K. Cimorelli

Contributors: L. Lunardi, C. Cass & K. Cimorelli

Source: ORCID
Added: September 21, 2020

2018 journal article

Detection, Tracking, and Interdiction for Amateur Drones

IEEE Communications Magazine.

Mihail Sichitiu

TL;DR: The goal of this survey article is to study various potential cyber and physical threats that may arise from the use of UAVs, and subsequently review various ways to detect, track, and interdict malicious drones. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Source: ORCID
Added: September 18, 2020

2018 conference paper

Virtual Pulse Design for IEEE 802.11AD-Based Joint Communication-Radar

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2018-April, 3315–3319.

Contributors: P. Kumari*, R. Heath* & S. Vorobyov*

TL;DR: A coprime-based pulse design approach for IEEE 802.11ad-based radar is proposed that uses only a few non-uniformly placed preambles to construct several virtual pulses for enhancing the velocity estimation accu-racy/resolution as compared to the conventional approach without sacrificing the communication data rate. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 conference paper

Vehicle-to-Vehicle Communication for Autonomous Vehicles: Safety and Maneuver Planning

IEEE Vehicular Technology Conference, 2018-August.

TL;DR: This work quantifies the gains vehicle-to-vehicle (V2V) communication can provide for AVs and indicates that V2V can reduce a significant fraction of AV collisions and considerably reduce the maneuver completion time. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 journal article

Spatial Channel Covariance Estimation for the Hybrid MIMO Architecture: A Compressive Sensing-Based Approach

IEEE Transactions on Wireless Communications, 17(12), 8047–8062.

By: S. Park* & R. Heath*

Contributors: S. Park* & R. Heath*

author keywords: Spatial channel covariance; hybrid precoding; compressive sensing
TL;DR: Two approaches to covariance estimation based on compressive sensing techniques are proposed, one is to apply a time-varying sensing matrix, and the other is to exploit the prior knowledge that the covariance matrix is Hermitian. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 conference paper

Tracking abruptly changing channels in mmWave systems using overlaid data and training

2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2017, 2017-December, 1–5.

Contributors: K. Upadhya*, R. Heath* & S. Vorobyov*

TL;DR: A sparse Bayesian learning-based approach is employed for jointly estimating the channel and data at the receiver by overlaying pilot and data transmissions in millimeter-wave multiple-input multiple-output links. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 conference paper

The information and wave-theoretic limits of analog beamforming

2018 Information Theory and Applications Workshop, ITA 2018.

Contributors: A. Mezghani* & R. Heath*

TL;DR: This work considers a broadband frequency dependent array model that explicitly includes incremental time shifts instead of phase shifts between the individual antennas and incorporates a physically defined radiated power and presents a novel joint approach for designing the optimal waveform and beamforming vector for analog beamforming. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 journal article

Taking the Next Step for IEEE Signal Processing Magazine [From the Editor]

IEEE Signal Processing Magazine, 35(1).

By: R. Heath*

Contributors: R. Heath*

Source: ORCID
Added: September 11, 2020

2018 journal article

Research Gems Found Digging with Industry [From the Editor]

IEEE Signal Processing Magazine, 35(2).

By: R. Heath*

Contributors: R. Heath*

Source: ORCID
Added: September 11, 2020

2018 conference paper

Sparsity-aware adaptive beamforming design for IEEE 802.11ad-based joint communication-radar

2018 IEEE Radar Conference, RadarConf 2018, 923–928.

By: P. Kumari*, M. Eltayeb* & R. Heath*

Contributors: P. Kumari*, M. Eltayeb* & R. Heath*

TL;DR: A sparsity-aware beamforming design is proposed that permits a trade-off between communication rate and radar detection/estimation performance in the angular domain and subset size optimization enables the detection of short-range radar targets with high probability and angular resolution in a wide FoV at the expense of a slight hit in the communication data rate. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 conference paper

Position-aided millimeter wave V2I beam alignment: A learning-to-rank approach

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, 2017-October, 1–5.

By: V. Va*, T. Shimizu*, G. Bansal* & R. Heath*

Contributors: V. Va*, T. Shimizu*, G. Bansal* & R. Heath*

TL;DR: This paper proposes to leverage a vehicle's position along with past beam measurements to rank desirable pointing directions that can reduce the required beam training to a small set of pointing directions. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 conference paper

Securing mmWave vehicular communication links with multiple transmit antennas

2018 IEEE International Conference on Communications Workshops, ICC Workshops 2018 - Proceedings, 1–6.

By: M. Eltayeb* & R. Heath*

Contributors: M. Eltayeb* & R. Heath*

TL;DR: Theoretical and simulation results demonstrate the validity and effectiveness of the proposed technique and show that high secrecy throughput can be achieved when compared to directional array transmission techniques. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 journal article

Out-of-Band Radiation from Large Antenna Arrays

IEEE Communications Magazine, 56(4), 196–203.

By: C. Mollen*, E. Larsson*, U. Gustavsson*, T. Eriksson* & R. Heath*

Contributors: C. Mollen*, E. Larsson*, U. Gustavsson*, T. Eriksson* & R. Heath*

TL;DR: It is drawn that, compared to legacy systems, less stringent linearity requirements can be used in many systems with large arrays by virtue of the lower transmit power needed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 11, 2020

2018 conference paper

Position-aided compressive channel estimation and tracking for millimeter wave multi-user MIMO Air-to-Air Communications

2018 IEEE International Conference on Communications Workshops, ICC Workshops 2018 - Proceedings, 1–6.

Contributors: J. Rodríguez-Fernández*, N. González-Prelcic* & R. Heath*

TL;DR: A channel estimation and tracking strategy based on compressed sensing tools is developed which introduces a low overhead, even when operating in the high mobility aerial scenario, and provides channel state information (CSI) of enough quality to obtain and maintain near-optimal values of spectral efficiency. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 journal article

One-bit sphere decoding for uplink massive MIMO systems with one-bit ADCs

IEEE Transactions on Wireless Communications, 17(7), 4509–4521.

Contributors: Y. Jeon*, N. Lee*, S. Hong* & R. Heath*

author keywords: Massive MIMO; one-bit ADC; multiuser detection; sphere decoding; maximum likelihood detection
TL;DR: Simulation results demonstrate that the proposed algorithm achieves near-MLD performance, while reducing the computational complexity compared to the existing MLD method. (via Semantic Scholar)
Source: ORCID
Added: September 11, 2020

2018 journal article

Optimization of power transfer efficiency and energy efficiency for wireless-powered systems with massive MIMO

IEEE Transactions on Wireless Communications, 17(11), 7159–7172.

By: T. Khan*, A. Yazdan* & R. Heath*

Contributors: T. Khan*, A. Yazdan* & R. Heath*

author keywords: Energy efficiency; power transfer efficiency; wireless power transfer; wireless-powered communications; massive MIMO; energy harvesting; wireless information and power transfer
TL;DR: The overall power transfer efficiency (PTE) and the energy efficiency (EE) of a wirelessly powered massive MIMO system are investigated, where a multi-antenna base-station (BS) uses wireless energy transfer to charge single-ant Jenna energy harvesting users on the downlink. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 11, 2020

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