Results 31 to 40 of about 9,784,899 (249)
Blind Receiver Design for OFDM Systems Over Doubly Selective Channels [PDF]
, 2007 We develop blind data detectors for orthogonal frequency-division multiplexing (OFDM) systems over doubly selective channels by exploiting both frequency-domain and time-domain correlations of the received signal. We thus derive two blind data detectors:
Cui, Tao, Tellambura, Chintha
core +1 more source
Cross Domain Iterative Detection for Orthogonal Time Frequency Space Modulation [PDF]
IEEE Transactions on Wireless Communications, 2021 Recently proposed orthogonal time frequency space (OTFS) modulation has been considered as a promising candidate for accommodating various emerging communication and sensing applications in high-mobility environments.
Shuangyang Li +3 more
semanticscholar +1 more source
Frequency-Domain Analysis of Linear Time-Periodic Systems [PDF]
, 2004 In this paper, we study convergence of truncated representations of the frequency-response operator of a linear time-periodic system. The frequency-response operator is frequently called the harmonic transfer function. We introduce the concepts of input,
Bernhardsson, Bo +2 more
core +1 more source
Towards phase-stabilized Fourier domain mode-locked frequency combs
Communications Physics, 2022 Fourier domain mode-locked lasers provide coherent, wavelength swept light useful for imaging applications, but the phase relation between frequencies is not understood.
Christin Grill +9 more
doaj +1 more source
Data Detection and Code Channel Allocation for Frequency-Domain Spread ACO-OFDM Systems Over Indoor Diffuse Wireless Channels [PDF]
, 2014 Future optical wireless communication systems promise to provide high-speed data transmission in indoor diffuse environments. This paper considers frequency-domain spread asymmetrically clipped optical orthogonal frequency-division multiplexing (ACOOFDM)
Chen, Ming +4 more
core +1 more source
Output frequency response function-based analysis for nonlinear Volterra systems [PDF]
, 2007 Analysis of nonlinear systems has been studied extensively. Based on some recently developed results, a new systematic approach to the analysis of nonlinear Volterra systems in the frequency domain is proposed in this paper, which provides a novel ...
Bendat +29 more
core +1 more source
Robust Audio Watermarks in Frequency Domain
Journal of Telecommunications and Information Technology, 2014 In this paper an audio watermarking technique is presented, using log-spectrum, dirty paper codes and LDPC for watermark embedding. This technique may be used as a digital communication channel, transmitting data at about 40 b/s.
Przemysław Dymarski, Robert Markiewicz
doaj +1 more source
WDIG: a wavelet domain image generation framework based on frequency domain optimization
EURASIP Journal on Advances in Signal Processing, 2023 In the end-to-end image generation task, the spatial domain of pixel space cannot explicitly separate the low-frequency general information such as texture and color from the high-frequency detail information such as structure and identity.
Qing Zhu +3 more
doaj +1 more source
Frequency Domain Repercussions of Instantaneous Granger Causality
Entropy, 2021 Using directed transfer function (DTF) and partial directed coherence (PDC) in the information version, this paper extends the theoretical framework to incorporate the instantaneous Granger causality (iGC) frequency domain description into a single ...
Luiz A. Baccalá, Koichi Sameshima
doaj +1 more source
Side-channel analysis in frequency domain with clustering
Dianzi Jishu Yingyong, 2021 The alignment of power traces is one of the key factors affecting the success of side-channel analysis. Frequency-domain side-channel analysis can effectively solve the alignment of power traces in the time domain.
Cai Juesong +3 more
doaj +1 more source