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-In this paper, we study Bayesian and hybrid Cramer-Rao bounds for the dynamical phase estimation of QAM modulated signals. We present the analytical expressions for the various CRBs. This avoids the calculation of any matrix inversion and…

信息论 · 计算机科学 2015-12-01 Jianxiao Yang , Benoit Geller , A Wei

The wideband regime of bit-interleaved coded modulation (BICM) in Gaussian channels is studied. The Taylor expansion of the coded modulation capacity for generic signal constellations at low signal-to-noise ratio (SNR) is derived and used…

信息论 · 计算机科学 2007-10-23 Alfonso Martinez , Albert Guillen i Fabregas , Giuseppe Caire , Frans Willems

This study revokes the performance of continuous phase modulation (CPM) able to generate a single-sideband (SSB) spectrum directly. This signal is analyzed in terms of modulation indices, pulse lengths, and pulse widths, all of which affect…

信号处理 · 电气工程与系统科学 2021-03-17 Karim Kassan , Haïfa Farès , D. Christian Glattli , Yves Louët

Bell state analysis (BSA) constitutes a foundational operation for distinguishing Bell states in numerous quantum information processing (QIP) protocols. In this work, we propose a theoretical scheme for realizing a perfect BSA tailored for…

量子物理 · 物理学 2025-11-24 Zi-Long Yang , Shi-Wen He , Lin-Cheng Wang , Si-Tong Jin , Liu Lv , Xiao-Ming Xiu , Chong Li

In this paper, the performance of a promising technology for the next generation wireless communications, non-orthogonal multiple access (NOMA), is investigated. In particular, the bit error rate (BER) performance of downlink NOMA systems…

信息论 · 计算机科学 2019-08-06 Tasneem Assaf , Arafat Al-Dweik , Mohamed El Moursi , Hatem Zeineldin

Bit error rate (BER) prediction over channel realisations has emerged as an active research area. In this paper, we give analytical signal to interference and noise ratio (SINR) evaluation of MIMO-OFDM systems using an iterative receiver.…

网络与互联网体系结构 · 计算机科学 2008-09-30 Youssef Nasser , Jean-François Hélard , Matthieu Crussière

It is well known that asynchronous impulsive noise is the main source of distortion that drastically affects the power-line communications (PLC) performance. Recently, more realistic models have been proposed in the literature which better…

信息论 · 计算机科学 2015-02-25 Kassim Khalil , Patrick CORLAY , François-Xavier Coudoux , Marc G. Gazalet , Mohamed Gharbi

An experimental study of amplitude modulation and phase modulation noise spectra in cascaded amplifiers was carried out as a function of the number of amplification stages and the input power. Flicker and white noise contributions were…

仪器与探测器 · 物理学 2025-01-31 Inari Badillo , Joaquín Portilla

Consider a waveform channel where the transmitted signal is corrupted by Wiener phase noise and additive white Gaussian noise (AWGN). A discrete-time channel model that takes into account the effect of filtering on the phase noise is…

信息论 · 计算机科学 2013-01-30 Hassan Ghozlan , Gerhard Kramer

When locking the frequency of a laser to an optical cavity resonance, the residual amplitude modulation (RAM), which accompanies the phase modulation necessary to build the error signal, is a major limitation to the frequency stability. We…

光学 · 物理学 2021-11-03 Maxime Descampeaux , Gilles Feugnet , Fabien Bretenaker

Quantum manipulation protocols for quantum sensors and quantum computation often require many single qubit rotations. However, the impact of phase noise in the field that performs the qubit rotations is often neglected or treated only for…

量子物理 · 物理学 2012-10-11 Zilong Chen , Justin G. Bohnet , Joshua M. Weiner , James K. Thompson

This paper presents a novel unified performance analysis of Space-Time Block Codes (STBCs) operating in the Multiple Input Multiple Output (MIMO) network and subjected to generalized shadowed fading and noise scenarios. Specifically, we…

信息论 · 计算机科学 2016-08-02 Ehab Salahat , Ali Hakam

Optimal modulation (OM) schemes for Gaussian channels with peak and average power constraints are known to require nonuniform probability distributions over signal points, which presents practical challenges. An established way to map…

信息论 · 计算机科学 2022-11-01 Basak Ozaydin , Muriel Médard , Ken Duffy

This paper investigates the mean square error (MSE)-optimal conditional mean estimator (CME) in one-bit quantized systems in the context of channel estimation with jointly Gaussian inputs. We analyze the relationship of the generally…

信息论 · 计算机科学 2023-06-28 Benedikt Fesl , Michael Koller , Wolfgang Utschick

We consider a downlink 1-bit quantized multiuser (MU) multiple-input-multiple-output (MIMO) system, where 1-bit digital-to-analog (DACs) and analog-to-digital converters (ADCs) are used at the transmitter and the receiver for economical and…

信息论 · 计算机科学 2017-06-28 Hela Jedda , Amine Mezghani , Jawad Munir , Fabian Steiner , Josef A. Nossek

In this letter, we investigate a novel quadrature spatial scattering modulation (QSSM) transmission technique based on millimeter wave (mmWave) systems, in which the transmitter generates two orthogonal beams targeting candidate scatterers…

信息论 · 计算机科学 2023-03-27 Xusheng Zhu , Wen Chen , Zhendong Li , Qingqing Wu , Jun Li

We consider the problem of detecting signals in the rank-one signal-plus-noise data matrix models that generalize the spiked Wishart matrices. We show that the principal component analysis can be improved by pre-transforming the matrix…

统计理论 · 数学 2021-04-29 Ji Hyung Jung , Hye Won Chung , Ji Oon Lee

Mixed noise, composed of white Gaussian noise (WGN) and impulsive noise (IN), appears in numerous communication scenarios and can severely degrade system performance. In this paper, we optimize the transmitted constellation under mixed…

信号处理 · 电气工程与系统科学 2025-09-09 Tianfu Qi , Jun Wang

In this paper, we investigated the capacity and bit error rate (BER) performance of Multiple Input Multiple Output (MIMO) satellite systems with single and multiple dual polarized satellites in geostationary orbit and a mobile ground…

信息论 · 计算机科学 2014-08-12 Ramoni Adeogun

Optimal coding over the additive white Gaussian noise channel under the peak energy constraint is studied when there is noisy feedback over an orthogonal additive white Gaussian noise channel. As shown by Pinsker, under the peak energy…

信息论 · 计算机科学 2011-08-19 Yu Xiang , Young-Han Kim