Results 11 to 20 of about 132,237 (249)
On the error vector magnitude as a performance metric and comparative analysis [PDF]
2006 International Conference on Emerging Technologies, 2006 In this paper, we present the error vector magnitude (EVM) as a a figure of merit for assessing the quality of digitally modulated telecommunication signals. We define EVM for a common industry standard and derive the relationships among EVM, signal to noise ratio (SNR) and bit error rate (BER).
Shafik, Rishad Ahmed +3 more
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Power limits with adjustable 10G receiver parameters for A-RoF transmission
Elektronika ir Elektrotechnika, 2023 Current paper characterizes the performance of the three-radio-frequency-channels, orthogonal-frequency-division-multiplexed (OFDM) radio-over-fiber (RoF) transmission system in terms of error-vector-magnitude and received optical signal power for a ...
Inna Kurbatska +5 more
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Phase Noise Effect on Millimeter-Wave Pre-5G Systems
IEEE Access, 2020 The introduction of millimeter waves for 5G wireless communication systems enables the use of more bandwidth and higher carrier frequency, surpassing the capacity of current systems by more than one order of magnitude. The leap of millimeter band results
Jongho Oh, Tae-Kyoung Kim
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All-Optical Double Spectral-Efficient RoF Link With Compensation of Dispersion-Induced Power Fading
IEEE Photonics Journal, 2021 An all-optical radio-over-fiber (RoF) link with double spectral-efficient transmission and compensation of chromatic dispersion-induced power fading is proposed and experimentally demonstrated.
Dongjuan Shan +3 more
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Phased array calibration system with high accuracy and low complexity
Alexandria Engineering Journal, 2023 This paper presents a highly efficient phased array calibration system for phase and magnitude error correction. The proposed calibration system is based on far-field scanning of the array antenna under test at factory level. Since the proposed structure
Sol Kim +3 more
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IEEE Access, 2022 In this study, we perform an analytical investigation of the electro-optic (EO), Mach-Zehnder modulator (MZM) transmission boundary area with a nonlinear model.
Yus Natali +2 more
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IEEE Transactions on Instrumentation and Measurement, 2022 A frequency-domain method is proposed for the broadband measurement of error vector magnitude (EVM) for vector signal generators (VSGs). The technique is based on frequency-swept narrowband acquisitions performed with a vector network analyzer (VNA) by exploiting a stable (yet unknown) reference signal to obtain phase-repeatable measurements ...
Angelotti, AM +3 more
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MATEC Web of Conferences, 2016 In digital modulation quality parameters traceability, the Error Vector Magnitude, Magnitude Error and Phase Error must be traced, and the measurement uncertainty of the above parameters needs to be assessed.
Zhan Zhiqiang +3 more
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Concurrent Dual-Band Receiver Based on Novel Six-Port Correlator for Wireless Applications
IEEE Access, 2017 A concurrent dual-band six-port receiver based on real-valued time-delay neural network (RVTDNN) is proposed in this paper to retrieve two baseband signals from a dual-band radio frequency signal, concurrently.
Weiwei Zhang +5 more
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BMC Ophthalmology, 2018 Background To evaluate the refractive and visual outcomes of Transepithelial photorefractive keratectomy (TransPRK) in the treatment of low to moderate myopic astigmatism.
Lei Xi, Chen Zhang, Yanling He
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