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The orthogonal time frequency space with index modulation (OTFS-IM) offers flexible tradeoffs between spectral efficiency (SE) and bit error rate (BER) in doubly selective fading channels. While OTFS-IM schemes demonstrated such potential,…

信号处理 · 电气工程与系统科学 2025-01-15 Kehan Huang , Min Qiu , Jinhong Yuan

We discuss the influence of random- and periodic impulse noise on narrowband (< 500 kHz frequency band) Power Line Communications. We start with random impulse noise and compare the properties of the measured impulse noise with the common…

信息论 · 计算机科学 2015-09-25 A. J. Han Vinck , F. Rouissi , T. Shongwe , G. R. Colen , L. G. Oliveira

We consider the decoding of bit interleaved coded modulation (BICM) applied to both multiband and MIMO OFDM systems for typical scenarios where only a noisy (possibly very bad) estimate of the channel is provided by sending a limited number…

网络与互联网体系结构 · 计算机科学 2007-08-13 Sajad Sadough , Pierre Duhamel

In this paper, we develop a statistical characterization of the multipath interference in an Impulse Radio (IR)-UWB system, considering the standardized IEEE 802.15.4a channel model. In such systems, the chip length has to be carefully…

网络与互联网体系结构 · 计算机科学 2015-12-08 Mihai I. Stanciu , Stéphane Azou , Emanuel Rădoi , Alexandru Şerbănescu

How much adversarial noise can protocols for interactive communication tolerate? This question was examined by Braverman and Rao (IEEE Trans. Inf. Theory, 2014) for the case of "robust" protocols, where each party sends messages only in…

数据结构与算法 · 计算机科学 2015-08-10 Shweta Agrawal , Ran Gelles , Amit Sahai

Inspired by the orthogonal time frequency space (OTFS) modulation, in this paper, we consider designing a multicarrier (MC) modulation on delay-Doppler (DD) plane, to couple the modulated signal with a doubly-selective channel having DD…

信息论 · 计算机科学 2023-11-09 Hai Lin , Jinhong Yuan

Index modulation (IM) brings the reduction of power consumption and complexity of the transmitter to classical multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. However, due to the introduction…

信号处理 · 电气工程与系统科学 2019-11-14 Jinxue Liu , Hancheng Lu

Quantum error correcting codes have been shown to have the ability of making quantum information resilient against noise. Here we show that we can use quantum error correcting codes as diagnostics to characterise noise. The experiment is…

量子物理 · 物理学 2009-11-13 M. Laforest , D. Simon , J. -C. Boileau , J. Baugh , M. Ditty , R. Laflamme

The utility of inertial sensors depends on resilience against real-world dynamics and noise. Atom interferometry offers a sensing technology with the advantage of good long-term stability, high sensitivity, and accuracy. High measurement…

原子物理 · 物理学 2025-04-11 Jonathan M. Kwolek , Sunil Upadhyay , Adam T. Black

In the wideband regime, the performance of many of the popular modulation schemes such as code division multiple access and orthogonal frequency division multiplexing falls quickly without channel state information. Obtaining the amount of…

信息论 · 计算机科学 2022-06-01 Kathleen Yang , Salman Salamatian , Rafael G. L . D'Oliveira , Muriel Medard

This paper proposes and analyzes a mmWave sparse channel estimation technique for OFDM systems that uses the Orthogonal Matching Pursuit (OMP) algorithm. This greedy algorithm retrieves one additional multipath component (MPC) per iteration…

信息论 · 计算机科学 2018-12-19 Felipe Gomez-Cuba , Andrea J. Goldsmith

An improved proportionate adaptive filter based on the Maximum Correntropy Criterion (IP-MCC) is proposed for identifying the system with variable sparsity in an impulsive noise environment. Utilization of MCC mitigates the effect of…

系统与控制 · 计算机科学 2017-07-04 Vinay Chakravarthi Gogineni , Subrahmanyam Mula

We consider the effect of classical stochastic noise on control laser pulses used in a scheme for transferring quantum information between atoms, or quantum dots, in separate optical cavities via an optical connection between cavities. We…

量子物理 · 物理学 2009-11-07 T. M. Stace , C. H. W. Barnes

The performance of bit-interleaved coded modulation (BICM) with bit shaping (i.e., non-equiprobable bit probabilities in the underlying binary code) is studied. For the Gaussian channel, the rates achievable with BICM and bit shaping are…

信息论 · 计算机科学 2010-01-19 Albert Guillen i Fabregas , Alfonso Martinez

Multiple-input multiple-output orthogonal frequency division multiplexing with index modulation (MIMO-OFDM-IM) is a novel multicarrier transmission technique which has been proposed recently as an alternative to classical MIMO-OFDM. In this…

信息论 · 计算机科学 2016-04-26 Ertugrul Basar

We investigate the effects of delayed Raman response on pulse dynamics in massive multichannel optical fiber communication systems. Taking into account the stochastic nature of pulse sequences in different frequency channels and the Raman…

光学 · 物理学 2009-11-11 Avner Peleg

We provide a comprehensive performance comparison of soft-output and hard-output demodulators in the context of non-iterative multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM). Coded bit error rate (BER), widely…

信息论 · 计算机科学 2010-12-07 Peter Fertl , Joakim Jalden , Gerald Matz

Today, we have required to accommodate a large number of users under a single base station. This can be possible only if we have some flexibility over the spectrum. Previously we have lots of multiplexing methods to accommodate large number…

信息论 · 计算机科学 2014-07-01 Sutanu Ghosh

We study the information rates of unipolar orthogonal frequency division multiplexing (OFDM) in discrete-time optical intensity channels (OIC) with Gaussian noise under average optical power constraint. Several single-, double-, and…

信息论 · 计算机科学 2018-01-08 Jing Zhou , Wenyi Zhang

A bifurcating system subject to multiplicative noise can exhibit on-off intermittency close to the instability threshold. For a canonical system, we discuss the dependence of this intermittency on the Power Spectrum Density (PSD) of the…

统计力学 · 物理学 2015-05-13 Sebastien Aumaitre , Kirone Mallick , Francois Petrelis