Jangsup Yoon, W.R. Eisenstadt,
... the use of on-chip or on-wafer loopback implementations for verifying performance of 5-GHz wireless local area network (WLAN) IC circuits. The loopback test diagram, the test-circuit design, and the ... and switches) necessary to implement 5-GHz transceiver loopback. A loopback circuit that can be applied to transceiver loopback measurements is demonstrated. This research is exploratory in ...
Tópico(s): Electromagnetic Compatibility and Noise Suppression
2005 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Instrumentation and Measurement
Biljana Bojović, Sandra Lagén, Katerina Koutlia, Xiaodi Zhang, Ping Wang, Liwen Yu,
... this line, we propose and study an XR loopback mechanism that adapts the XR traffic to the ... an XR application feedback. We propose various XR loopback algorithms, strategies, and parameters' configurations and study their ... traffic setups. Results show that the proposed XR loopback mechanism can boost XR performance in 5G networks ... provide various insights and practical directions on XR loopback design that allow us to take full advantage ...
Tópico(s): Image and Video Quality Assessment
2023 - Institute of Electrical and Electronics Engineers | IEEE Journal on Selected Areas in Communications
Yeonggyu Shim, Wan Choi, Hyuncheol Park,
... and-forward relay system with imperfect cancellation of loopback self-interference (SI) and investigate joint design of ... under a relay transmit power constraint. Due to loopback channel estimation error and limitation of analog-to-digital converter, the loopback SI cannot be completely canceled. Multiple antennas at the relay can help loopback SI suppression, but beamforming is required to balance ... taking into account the propagation of the residual loopback SI from the first to the current time ...
Tópico(s): Wireless Communication Security Techniques
2016 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Wireless Communications
Byoung‐Ho Kim, Zhenhai Fu, Jacob A. Abraham,
Loopback tests for a differential mixed-signal device under test (DUT) have rarely been attempted, since any ... parameters with a radio-frequency (RF) transformer in loopback mode to overcome the imbalance problem of DfT circuitry. Cascaded RF transformer in loopback mode produces differently weighted loopback responses, which are used to characterize the DUT ...
Tópico(s): Electrostatic Discharge in Electronics
2007 - Institute of Electrical and Electronics Engineers | Proceedings - IEEE VLSI Test Symposium/Proceedings of the ... IEEE VLSI Test Symposium
Jae Woong Jeong, Afsaneh Nassery, Jennifer Kitchen, Sule Ozev,
... for zero-IF radio frequency transceivers using primarily loopback, aided by a small built-in self-test ( ... nonlinearity coefficients. The transceiver is placed in the loopback mode by couplers, specifically designed to be asymmetric ... the primary path and the BIST path. The loopback path is also designed to include two traces ... 10 ms, including computation time. In addition to loopback hardware support and the associated parameter deembedding methodology, ...
Tópico(s): Advancements in Semiconductor Devices and Circuit Design
2016 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Yawei Yin, Roberto Proietti, Xiaohui Ye, Christopher Nitta, Venkatesh Akella, S. J. Ben Yoo,
... optical network switch called LIONS, and its different loopback buffering schemes. A proof of concept is demonstrated ... simulator. Considering the complexity and cost in implementing loopback buffers in LIONS, we propose an all-optical ... architecture in order to remove the need for loopback buffers. Simulation results for LIONS with AO-NACK architecture and distributed loopback buffer architecture are compared with the performance of ...
Tópico(s): Interconnection Networks and Systems
2012 - IEEE Photonics Society | IEEE Journal of Selected Topics in Quantum Electronics
Jerzy Dąbrowski, Rashad Ramzan,
The essentials of the on-chip loopback test for integrated RF transceivers are presented. The available on-chip baseband processor serves as a tester while the RF front-end ... the test cost reduced. Different variants of the loopback setup including the bypassing technique and RF detectors ... provide a comprehensive description of the on-chip loopback test. Simulation examples of practical communication transceivers such ...
Tópico(s): Electrostatic Discharge in Electronics
2009 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Min-Kuan Chang, Feng‐Tsun Chien, Chih-Hung Kuo, Yen-Chang Chen,
... by the two-way transmission protocol. However, the loopback self-interference, caused by the imperfect channel estimation in the loopback link, at the AF relay accumulates and is ... the end users' error performance if this accumulated loopback self-interference (ALSI) does not converge. It is ...
Tópico(s): Energy Harvesting in Wireless Networks
2019 - IEEE Communications Society | IEEE Transactions on Communications
Guanghui Xue, Ruixue Li, Shuang Liu, Jinbo Wei,
... defects of the LeGO-LOAM algorithm, such as loopback detection errors or omissions. We use SegMatch to improve the loopback detection module of LeGO-LOAM, use the iterative ... LeGO-LOAM-SM is clearer, has a better loopback effect, the estimated trajectory is smoother and more ...
Tópico(s): 3D Surveying and Cultural Heritage
2022 - Multidisciplinary Digital Publishing Institute | Energies
Jiali Xu, Di Wang, Maosheng Liao, Wenshuai Shen,
... algorithm is studied. Aiming at the problem that loopback detection may have wrong loopback points in the presence of noise, similar and ... judgment module is added to filter the wrong loopback points. The Cartographer algorithm before and after optimization ...
Tópico(s): Robotic Path Planning Algorithms
2020 - IOP Publishing | Journal of Physics Conference Series
Xinyi Wang, Linjie Zhou, Liangjun Lu, Xingjun Wang, Jianping Chen,
... integrated silicon optical delay line based on a loopback arrayed waveguide grating (AWG). The optical delay varies ... the RF filter can be tuned, respectively. The loopback AWG performs spectrum slicing and wavelength-selective delay, ...
Tópico(s): Photonic and Optical Devices
2020 - Institute of Electrical and Electronics Engineers | IEEE photonics journal
Yanfang Liu, Hong Ma, Ye Wang, Xinyang Du, Jing Yao,
... cancer by regulating the ERα/PI3K/AKT/ERα loopback pathway.CST1 acts as an oncogene in ER+ ... development by regulating the ERα/PI3K/AKT/ERα loopback pathway in ER+ breast cancer. Our findings indicate ...
Tópico(s): TGF-β signaling in diseases
2019 - Dove Medical Press | OncoTargets and Therapy
Byoung‐Ho Kim, Jacob A. Abraham,
... accurately predicting aperture jitter using a cost-effective loopback methodology. By using an efficient spectral loopback scheme, aperture jitter is precisely separated from input ...
Tópico(s): VLSI and Analog Circuit Testing
2011 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Circuits and Systems I Regular Papers
... adaptation of multiple description coding (MDC) for the loopback buffering mechanism to address the issue of peer ... The simulation results show that the OLF with loopback-MDC can significantly reduce the amount of uploading ... the adaptation of multiple description coding for the loopback buffering mechanism to address the issue of peer ...
Tópico(s): Advanced Data Compression Techniques
2010 - Wiley | International Journal of Communication Systems
Xuan-Lun Huang, Jiun-Lang Huang,
Loopback testing is a powerful technique for testing the analog-to-digital converter (ADC) and digital-to- ... potential fault masking problem. In this work, a loopback linearity testing technique for an ADC/DAC pair ...
Tópico(s): Analog and Mixed-Signal Circuit Design
2010 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Tomoaki Yoshida, S. Kimura, Hirokazu Kimura, Kiyomi Kumozaki, T. Imai,
... a new single-fiber 10-Gb/s optical loopback method for wavelength-division-multiplexing (WDM) optical access ... of backreflection that causes interferometric crosstalk with the loopback method on a single fiber. Furthermore, bit synchronization ...
Tópico(s): Semiconductor Lasers and Optical Devices
2006 - Institute of Electrical and Electronics Engineers | Journal of Lightwave Technology
Hongsik Choi, Suresh Subramaniam, Hyeong‐Ah Choi,
... of any two neighboring links. We present a loopback recovery method that requires the computation of backup ... comparing the performance of our algorithm with other loopback approaches indicate that a slight increase in capacity ...
Tópico(s): Interconnection Networks and Systems
2002 - Elsevier BV | Information Sciences
S.S. Lumetta, Muriel Médard, Yung-Ching Tseng,
... using dynamic searches, covers of rings, or generalized loopback. We present a method to provide link recovery ... for backup traffic transmission. The method extends generalized loopback to operate on a subgraph of the full ... of three link-restoration algorithms based on generalized loopback with the properties of covers of rings. Our ...
Tópico(s): Advanced Photonic Communication Systems
2000 - Institute of Electrical and Electronics Engineers | Journal of Lightwave Technology
... of individual mixed-signal circuits by dithering a loopback path with Gaussian-distributed noise. A set of ... corresponding change in the harmonic magnitudes of the loopback responses. Based on this, we derive a precise nonlinear loopback behavior model to quantitatively identify the harmonics of ...
Tópico(s): Electrostatic Discharge in Electronics
2015 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Circuits & Systems II Express Briefs
Byoung‐Ho Kim, Jacob A. Abraham,
Loopback tests for a differential mixed-signal device under test (DUT) have rarely been attempted since any ... parameters with a radio-frequency (RF) transformer in loopback mode to overcome the imbalance of DfT circuitry ... combinations by a multiplexer to create three separate loopback responses. These responses are used to characterize the ...
Tópico(s): Electrostatic Discharge in Electronics
2011 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Instrumentation and Measurement
Byoung‐Ho Kim, N. Khouzam, Jacob A. Abraham,
... prediction of aperture jitter using a cost-effective loopback methodology. Aperture jitter is precisely separated from input ... present in the DUT, by using an efficient loopback scheme along with spectral characteristic equations. Hardware measurement ...
Tópico(s): Advancements in PLL and VCO Technologies
2008 - Institute of Electrical and Electronics Engineers | Proceedings - IEEE VLSI Test Symposium/Proceedings of the ... IEEE VLSI Test Symposium
Hammond Pearce, Virinchi Roy Surabhi, P. Krishnamurthy, Joshua Trujillo, Ramesh Karri, Farshad Khorrami,
... We consider defender-configurable input/output (I/O) loopback test, comparison with design-document baselines, and magnetometer- ...
Tópico(s): Electrostatic Discharge in Electronics
2022 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Jung-Bok Lee, T. Yoo, Eo-Hyung Lee, Byeong-Ha Hwang, Sung-Won Ahn, Choong-Hee Cho,
... the proposed load balancer with iptables DNAT and loopback based on the RFC2544 performance standard, and also ... packet size. The difference in performance between the loopback (representing the theoretical maximum performance limit) and the ...
Tópico(s): Peer-to-Peer Network Technologies
2021 - Institute of Electrical and Electronics Engineers | IEEE Access
Ali Esmailiyan, Hongying Wang, Mike Asker, Eugene Koskin, D. Leipold, Imran Bashir, Kai Xu, Anna Kozioł, Elena Blokhina, Robert Bogdan Staszewski,
... performance of the CDAC are verified in a loopback mode with the detector sensing the CDAC-induced ...
Tópico(s): Advancements in Semiconductor Devices and Circuit Design
2020 - Institute of Electrical and Electronics Engineers | IEEE Solid-State Circuits Letters
Emeline Pasquier, Raymund J. Wellinger,
... areas however does not include a telomeric cis-loopback conformation. We propose that the observations on such ...
Tópico(s): Chromosomal and Genetic Variations
2020 - BioMed Central | Epigenetics & Chromatin
Boqian Liu, Aiqun Hu, Guyue Li,
... secret key disagreement (SKD) ratio compared with the loopback method in the previous literature, meanwhile free from the security issue of loopback strategies. Numerical simulation results are presented to verify ...
Tópico(s): Chaos-based Image/Signal Encryption
2019 - IEEE Communications Society | IEEE Communications Letters
Xiaojing Huang, Y. Jay Guo, J. Andrew Zhang,
... a phase shifter inserted in the transceiver local loopback channel, the transmitter and receiver I/Q imbalances ...
Tópico(s): Full-Duplex Wireless Communications
2016 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Wireless Communications
Mohamed Mokhtar, Naofal Al‐Dhahir, Ridha Hamila,
... dependence on the IQI level and the residual loopback self-interference (LSI) average power level. In addition, ...
Tópico(s): Advanced Wireless Communication Technologies
2015 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Vehicular Technology
Mohammad Galal Khafagy, Amr Ismail, Mohamed‐Slim Alouini, Sonia Aı̈ssa,
... are studied for full-duplex relaying (FDR) with loopback interference over Nakagami-m block fading channels. Recently, ... outage. Finally, we show that depending on the loopback interference level, the proposed protocols can outperform their ...
Tópico(s): Advanced Wireless Communication Technologies
2015 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Wireless Communications
Byoung‐Ho Kim, Jacob A. Abraham,
... and a programmable capacitor array based on a loopback test configuration. The imbalance generator produces spectral loopback responses of different weight. Nonlinear equations are then ...
Tópico(s): Integrated Circuits and Semiconductor Failure Analysis
2012 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Circuits & Systems II Express Briefs