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Integrated multimode quantum optics is a promising platform for scalable continuous-variable quantum technologies leveraging multimode squeezing in both the spatial and spectral domains. However, on-chip measurement, routing and processing…

This work introduces, for the first time, non-orthogonal multiple access (NOMA) into short-packet communications to achieve low latency in wireless networks. Specifically, we address the optimization of transmission rates and power…

信息论 · 计算机科学 2017-09-20 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

Beamforming is an indispensable feature for millimeter wave (mmWave) wireless communications in order to compensate for the severe path loss incurred due to high frequency operation. In this paper, we introduce a novel framework to evaluate…

信息论 · 计算机科学 2017-11-27 Rakesh RT , Debarati Sen , Goutam Das

We propose and model an optical communication scheme for short distance datacom links based on the distribution of information across a wide comb spectrum. This modulation format, orthogonal delay division multiplexing, allows the…

光学 · 物理学 2023-10-27 Andrea Zazzi , Jeremy Witzens

Phase-noise (PN) estimation and compensation are crucial in millimeter-wave (mmWave) communication systems to achieve high reliability. The PN estimation, however, suffers from high computational complexity due to its fundamental…

信息论 · 计算机科学 2021-09-29 MinKeun Chung , Liang Liu , Ove Edfors

To meet an ever-increasing demand of the spectrum for communication between aircraft and ground terminals, orthogonal frequency division multiplexing (OFDM) based L-band (960-1164MHz) Digital Aeronautical Communication System (LDACS) has…

信号处理 · 电气工程与系统科学 2018-12-14 Niharika Agrawal

A novel basis signal optimization method is proposed for reducing the interference in the N-continuous orthogonal frequency division multiplexing (NC-OFDM) system. Compared to conventional NC-OFDM, the proposed scheme is capable of…

信号处理 · 电气工程与系统科学 2020-11-04 Peng Wei , Yue Xiao , Wei Xiang

Achieving broadband on-chip optical amplification spanning the visible and near-infrared (NIR) can enable diverse quantum sensing, metrology, and classical communication applications within a single unified device. However, conventional…

Visible light communication is a promising technique in future networks due to its advantages of high data rate and licensed-free spectrum. In addition, non-orthogonal multiple access (NOMA) is considered as a candidate of multiple access…

网络与互联网体系结构 · 计算机科学 2018-08-27 Quoc-Viet Pham , Choong Seon Hong

The concept of continuous-aperture multiple-input multiple-output (CAP-MIMO) technology has been proposed recently, which aims at achieving high spectrum efficiency by deploying extremely dense antennas or even continuous antennas in a…

信息论 · 计算机科学 2023-02-01 Zhongzhichao Wan , Jieao Zhu , Linglong Dai

Non-Orthogonal Multiple Access (NOMA) has potentials to improve the performance of multi-beam satellite systems. The performance optimization in satellite-NOMA systems can be different from that in terrestrial-NOMA systems, e.g.,…

信息论 · 计算机科学 2020-07-10 Anyue Wang , Lei Lei , Eva Lagunas , Ana I. Perez-Neira , Symeon Chatzinotas , Bjorn Ottersten

We study the network spectral efficiency of decentralized vector multiple access channels (MACs) when the number of accessible dimensions per transmitter is strategically limited. Considering each dimension as a frequency band, we call this…

信息论 · 计算机科学 2009-05-19 Samir M. Perlaza , Merouane Debbah , Samson Lasaulce , Hanna Bogucka

Optical communication systems, operating in C-band, are reaching their theoretically achievable capacity limits. An attractive and economically viable solution to satisfy the future data rate demands is to employ the transmission across the…

Space-time block codes (STBCs) from non-square complex orthogonal designs are bandwidth efficient when compared with those from square real/complex orthogonal designs. Though there exists rate-1 ROD for any number of transmit antennas,…

信息论 · 计算机科学 2008-08-12 Smarajit Das , B. Sundar Rajan

In this paper, a novel low complexity bit and power loading algorithm is formulated for orthogonal frequency division multiplexing (OFDM) systems operating in fading environments and in the presence of unknown interference. The proposed…

信号处理 · 电气工程与系统科学 2019-02-12 Ebrahim Bedeer , Mohamed F. Marey , Octavia A. Dobre , Mohamed H. Ahmed , Kareem E. Baddour

Coherent states have been increasingly considered in optical quantum communications (OQCs). With the inherent non-orthogonality of coherent states, non-orthogonal multiple-access (NOMA) naturally lends itself to the implementation of…

量子物理 · 物理学 2025-12-09 Zhichao Dong , Xiaolin Zhou , Yongkang Chen , Wei Ni , Ekram Hossain , Xin Wang

This paper presents two methods for approximating the performance of coded multicarrier systems operating over frequency-selective, quasi-static fading channels with non-ideal interleaving. The first method is based on approximating the…

信息论 · 计算机科学 2007-07-13 C. Snow , L. Lampe , R. Schober

This paper investigates a multiple-input multipleoutput (MIMO) visible light communication (VLC) wiretap channel consisting of a transmitter, a legitimate receiver, and an eavesdropper. The optical input is subject to both peakand…

信息论 · 计算机科学 2026-02-16 Sufang Yang , Longguang Li , Jintao Wang , Ya Li , Liang Xia , Hongjun He , Qixing Wang , Guangyi Liu

This paper studies the performance of optical orthogonal frequency-division multiplexing (OFDM)-based multi-user integrated sensing and communication (ISAC) systems employing non-orthogonal multiple access (NOMA). Due to their inherent high…

系统与控制 · 电气工程与系统科学 2025-11-05 Nam N. Luong , Chuyen T. Nguyen , Thanh V. Pham

In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CDMA). The proposed system, called Spread Spectrum - Multi-Carrier…

计算物理 · 物理学 2007-05-23 Emeric Guéguen , Matthieu Crussière , Jean-François Hélard