Results 31 to 40 of about 1,002,832 (244)
Bit error rate performance of underwater optical wireless communication with hybrid modulation
IET Communications, 2023 Turbulence effects can cause performance degradation for underwater optical wireless communication (UOWC) system. In this paper, a hybrid modulation (modulation–modulation, M–M) is presented to resist turbulence‐induced fading and improve the ...
Qiong Luo +3 more
doaj +1 more source
Joint Coding Design based on CSK and FSM
Guangtongxin yanjiu, 2021 In the Visible Light Communication (VLC) system based on circle Color Shift Keying (CSK) modulation constellation, the bit error rate performance is poorer under certain number of modulation order.
Jia-hui LI, Zong-yan LI, Shi-yin LI
doaj +3 more sources
Bit Error Tolerance Metrics for Binarized Neural Networks [PDF]
arXiv, 2021 To reduce the resource demand of neural network (NN) inference systems, it has been proposed to use approximate memory, in which the supply voltage and the timing parameters are tuned trading accuracy with energy consumption and performance. Tuning these parameters aggressively leads to bit errors, which can be tolerated by NNs when bit flips are ...
arxiv
Quantum bit string sealing [PDF]
International Journal of Quantum Information, 4, 677 (2006)., 2005 Though it was proven that secure quantum sealing of a single classical bit is impossible in principle, here we propose an unconditionally secure quantum sealing protocol which seals a classical bit string. Any reader can obtain each bit of the sealed string with an arbitrarily small error rate, while reading the string is detectable.
arxiv +1 more source
Modulation For Modulo: A Sampling-Efficient High-Dynamic Range ADC [PDF]
arXiv, 2023 In high-dynamic range (HDR) analog-to-digital converters (ADCs), having many quantization bits minimizes quantization errors but results in high bit rates, limiting their application scope. A strategy combining modulo-folding with a low-DR ADC can create an efficient HDR-ADC with fewer bits.
arxiv
RZ Line Coding Scheme With Direct Laser Modulation for Upgrading Optical Transmission Systems
Open Engineering, 2020 This study reports the efficient use of a direct laser modulated response measured with the return-to-zero coding scheme in optical transmission systems.
El-Hageen Hazem M. +2 more
doaj +1 more source
Orthogonal Space Time Block Coding for Spatial Pulse Position Modulation
Guangtongxin yanjiu, 2021 The system performance of Spatial Pulse Position Modulation (SPPM) is poor in turbulent channels. In order to solve this problem, the bit complement orthogonal space time Block Coding for Spatial Pulse Position Modulation (BCOSTBCSPPM) is proposed by ...
Zhong-yang MAO +5 more
doaj +1 more source
Bit-Error-Rate Analysis of Raptor Codes over Rician Fading Channels
Journal of Electrical and Computer Engineering, 2020 The bit-error-rate expressions of nonsystematic Raptor (NR) codes and systematic Raptor (SR) codes over Rician fading channels are first derived using a Gaussian approximation (GA) approach.
Jingke Dai
doaj +1 more source
Adaptive minimum bit-error-rate filtering [PDF]
IEE Proceedings - Vision, Image, and Signal Processing, 2004 Adaptive filtering has traditionally been developed based on the minimum mean square error (MMSE) principle and has found ever-increasing applications in communications. The paper develops adaptive filtering based on an alternative minimum bit error rate (MBER) criterion for communication applications.
openaire +4 more sources
Journal of Marine Science and Engineering, 2021 Turbulence and absorption of seawater are two important factors affecting the signal transmission quality of underwater optical communication link. Here, we study the channel capacity and bit error rate of an underwater extinction communication link with
Qingze Yan, Yun Zhu, Yixin Zhang
doaj +1 more source