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相关论文: Low-Resolution Quantization in Phase Modulated Sys…

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We consider a distributed detection problem within a wireless sensor network (WSN), where a substantial number of sensors cooperate to detect the existence of sparse stochastic signals. To achieve a trade-off between detection performance…

信号处理 · 电气工程与系统科学 2024-11-07 Linlin Mao , Shefeng Yan , Zeping Sui , Hongbin Li

We investigate information-theoretic limits and design of communication under receiver quantization. Unlike most existing studies, this work is more focused on the impact of resolution reduction from high to low. We consider a standard…

信息论 · 计算机科学 2025-12-29 Jing Zhou , Shuqin Pang , Wenyi Zhang

In multiple-antenna communications, as bandwidth and modulation order increase, system components must work with demanding tolerances. In particular, high resolution and high sampling rate analog-to-digital converters (ADCs) are often…

信息论 · 计算机科学 2010-10-28 Amine Mezghani , Josef A. Nossek

Channel Estimation is a major problem encountered by receiver designers for wireless communications systems. The fading channels encountered by the system are usually time variant for a mobile receiver. Besides, the frequency response of…

网络与互联网体系结构 · 计算机科学 2014-06-18 Ahmed M. Alaa

A M-ary phase shift keying (PSK) quantum receiver consisting of displacement operations, photon counting, and electrical feed-back adaptive measurements is analyzed with a realistic model considering the effects of the sub-unity quantum…

量子物理 · 物理学 2015-06-15 Ke Li , Yuan Zuo , Bing Zhu

The next generation of wireless communications systems will employ new frequency bands such as those in the upper midband, millimeter-wave and sub-terahertz frequency bands. The high energy consumption of analog-to-digital converters…

信息论 · 计算机科学 2025-05-27 D. Melo , L. Landau , R. de Lamare

We propose an optimal low-resolution precoding technique that minimizes the symbol error probability of the users. Unlike existing approaches that rely on QPSK modulation, for the derivation of the minimum symbol error probability objective…

信息论 · 计算机科学 2021-10-07 Erico S. P. Lopes , Lukas T. N. Landau , Amine Mezghani

Line-of-sight (LoS) multi-input multi-output (MIMO) systems exhibit attractive scaling properties with increase in carrier frequency: for a fixed form factor and range, the spatial degrees of freedom increase quadratically for 2D arrays, in…

信号处理 · 电气工程与系统科学 2021-08-04 Ahmet Dundar Sezer , Upamanyu Madhow

Low-resolution quantization is essential to reduce implementation cost and power consumption in massive multiple-input multiple-output (MIMO) systems for 5G and 6G. While most existing studies assume perfect channel state information (CSI),…

信号处理 · 电气工程与系统科学 2025-12-18 Reza Mohammadkhani , Azad Azizzadeh , Seyed Vahab Al-Din Makki , John Thompson , Maziar Nekovee

In this paper, the performance of signaling strategies with high peak-to-average power ratio is analyzed in both coherent and noncoherent fading channels. Two recently proposed modulation schemes, namely on-off binary phase-shift keying and…

信息论 · 计算机科学 2007-07-13 Mustafa Cenk Gursoy

This paper mainly illustrates the Bit error rate performance of M-ary QAM and M-ary PSK for different values of SNR over Rician Fading channel. A signal experiences multipath propagation in the wireless communication system which causes…

信号处理 · 电气工程与系统科学 2020-05-06 Subrato Bharati , Mohammad Atikur Rahman , Prajoy Podder , Muhammad Ashiqul Islam , Mohammad Hossain

In this paper, the problem of optimal maximum likelihood detection in a single user single-input multiple-output (SIMO) channel with phase noise at the receiver is considered. The optimal detection rules under training are derived for two…

信息论 · 计算机科学 2016-11-18 Antonios Pitarokoilis , Emil Björnson , Erik G. Larsson

Continuous phase modulation (CPM) has extensive applications in wireless communications due to its high spectral and power efficiency. However, its nonlinear characteristics pose significant challenges for detection in frequency selective…

信息论 · 计算机科学 2024-08-15 Zilong Liu , Yi Song , Qinghua Guo , Peng Sun , Kexian Gong , Zhongyong Wang

We consider the multiple-input multiple-output (MIMO) communication channel impaired by phase noises at both the transmitter and receiver. We focus on the maximum likelihood (ML) detection problem for uncoded single-carrier transmission. We…

信息论 · 计算机科学 2017-08-09 Richard Combes , Sheng Yang

Most recently, there has been a flurry of research activities on studying how massive MIMO precoding should be designed when the digital-to-analog conversion at the transmitter side is operated by cheap one-bit digital-to-analog converters…

信息论 · 计算机科学 2018-09-25 Mingjie Shao , Qiang Li , Yatao Liu , Wing-Kin Ma

The research presents a procedure of the closed-form average bit error rate evaluation for wireless communication systems in the presence of multipath fading. A generalization of the classical moment generating function is applied, and a…

信息论 · 计算机科学 2022-08-01 Aleksey S. Gvozdarev

IEEE 802.15.4 takes a center stage in IoT as Low- Rate Wireless Personal Area Networks(LR-WPANs). The standard specifies Offset Quadrature Phase Shift Keying Physical Layer (O-QPSK PHY) with half-sine pulse shaping which can be either…

信息论 · 计算机科学 2016-11-11 Mohammed Abdullah Zubair , P. Rajalakshmi

Massive MIMO (Multiple-Input Multiple-Output) is a key enabler for 5G and future wireless systems, boosting channel capacity, energy efficiency, and spectral efficiency. However, high power consumption and hardware costs of…

最优化与控制 · 数学 2025-12-08 Jie Zhang , Huifu Xu

A low-complexity detector is introduced for polarization-multiplexed M-ary phase shift keying modulation in a fiber-optical channel impaired by nonlinear phase noise, generalizing a previous result by Lau and Kahn for single-polarization…

We consider communication over the block noncoherent AWGN channel with low-precision Analog-to-Digital Converters (ADCs) at the receiver. For standard uniform Phase Shift Keying (PSK) modulation, we investigate the performance of a receiver…

信息论 · 计算机科学 2009-05-28 Jaspreet Singh , Upamanyu Madhow