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相关论文: Performance of orthogonal delay-doppler division m…

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Several recent standards such as IEEE 802.11a/g, IEEE 802.16, and ECMA Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) for high data-rate Ultra-Wideband (UWB), employ bit-interleaved convolutionally-coded multicarrier…

信息论 · 计算机科学 2007-07-13 Chris Snow , Lutz Lampe , Robert Schober

Inter-carrier interference (ICI) poses a significant challenge for OFDM joint radar-communications (JRC) systems in high-mobility scenarios. In this paper, we propose a novel ICI-aware sensing algorithm for MIMO-OFDM JRC systems to detect…

信号处理 · 电气工程与系统科学 2021-03-30 Musa Furkan Keskin , Henk Wymeersch , Visa Koivunen

Doubly-selective channels, such as those that occur when the transmitter and the receiver move relative to each other at high speeds, are a key scenario for fifth generation (5G) cellular systems, which are mostly based in the use of the…

信号处理 · 电气工程与系统科学 2024-01-30 Tomás Domínguez-Bolaño , José Rodríguez-Piñeiro , José A. García-Naya , Luis Castedo

Receivers with joint channel estimation and signal detection using superimposed pilots (SP) can achieve high transmission efficiency in orthogonal time frequency space (OTFS) systems. However, existing receivers have high computational…

信息论 · 计算机科学 2024-04-16 Fupeng Huang , Qinghua Guo , Youwen Zhang , Yuriy Zakharov

In this paper, we investigate the impacts of transmitter and receiver windows on the performance of orthogonal time-frequency space (OTFS) modulation and propose window designs to improve the OTFS channel estimation and data detection…

信息论 · 计算机科学 2020-10-27 Zhiqiang Wei , Weijie Yuan , Shuangyang Li , Jinhong Yuan , Derrick Wing Kwan Ng

We propose an Iterative Detection and Decoding (IDD) scheme with Low Density Parity Check (LDPC) codes for Multiple Input Multiple Output (MIMO) systems for block-fading $F = 2$ and fast fading Rayleigh channels. An IDD receiver with soft…

信息论 · 计算机科学 2014-04-09 A. G. D. Uchoa , C. T. Healy , R. C. de Lamare , P. Li

Recently, acoustic communication employing Orbital Angular Momentum (OAM) opens another avenue for efficient data transmission in aquatic environments. Current topological charge (TC) detection of OAM beams relies on the orthogonality among…

应用物理 · 物理学 2024-11-01 Liulin Li , Bingyi Liu , Zhongyi Guo

Orthogonal Frequency Division Multiplexing (OFDM) combined with Multiple-Input Multiple-Output (MIMO) techniques forms the backbone of modern wireless communication systems. While offering high spectral efficiency and robustness,…

系统与控制 · 电气工程与系统科学 2025-07-21 Rahul Gulia

Orthogonal Frequency Division Multiplexing (OFDM) is an attractive modulation and multiple access techniques for channels with a nonflat frequency response, as it saves the need for complex equalizers. It can offer high quality performance…

信息论 · 计算机科学 2010-09-28 S. M. Kamruzzaman , Md. Anisur Rahman

We propose a novel coded integrated passive sensing and communication (CIPSAC) system with orthogonal frequency division multiplexing (OFDM), where a multi-antenna base station (BS) passively senses the parameters of the targets and decodes…

信号处理 · 电气工程与系统科学 2025-02-19 Chenghong Bian , Kaitao Meng , Huihui Wu , Yumeng Zhang , Deniz Gunduz

Differential distributed space-time coding (D-DSTC) technique has been considered for relay networks to provide both diversity gain and high throughput in the absence of channel state information. Conventional differential detection (CDD)…

信息论 · 计算机科学 2014-04-09 M. R. Avendi , Ha H. Nguyen , Nguyen Quoc-Tuan

Orthogonal signal-division multiplexing (OSDM) is an attractive alternative to conventional orthogonal frequency-division multiplexing (OFDM) due to its enhanced ability in peak-to-average power ratio (PAPR) reduction. Combining OSDM with…

信号处理 · 电气工程与系统科学 2019-06-27 Jing Han , Shengqian Ma , Yujie Wang , Geert Leus

Light-emitting diode (LED)-based communications, such as visible light communications (VLC) and infrared (IR) communications, are candidate techniques to provide short-range and high-speed data transmission. In this paper, M-ary pulse…

信息论 · 计算机科学 2018-06-19 Jie Lian , Mohammad Noshad , Maite Brandt-Pearce

Recently, dual-function radar communication (DFRC) systems have been proposed to integrate radar and communication into one platform for spectrum sharing. Various signalling strategies have been proposed to embed communication information…

信号处理 · 电气工程与系统科学 2023-11-14 Jifa Zhang

This letter studies the low-complexity channel estimation for orthogonal time frequency space (OTFS) in the presence of hardware impairments. Firstly, to tackle the computational complexity of channel estimation, the basis expansion model…

信号处理 · 电气工程与系统科学 2025-02-07 Haowei Wu , Huanyu Chen , Qihao Peng , Qu Luo , Jinglan Ou

Orthogonal frequency division multiplexing (OFDM) is a key waveform for integrated sensing and communication (ISAC) due to its spectral efficiency and compatibility with modern wireless standards. In multi-target and clutter-rich…

信号处理 · 电气工程与系统科学 2026-05-19 Dongil Yang , Kaitao Meng , Christos Masouros , Kawon Han

Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple-input multiple-output (MIMO) integrated sensing and…

信号处理 · 电气工程与系统科学 2023-06-13 Musa Furkan Keskin , Carina Marcus , Olof Eriksson , Alex Alvarado , Joerg Widmer , Henk Wymeersch

We provide a new generation solution to the fundamental old problem of a doubly selective fading channel estimation for orthogonal frequency division multiplexing (OFDM) systems. For systems based on OFDM, we propose a deep learning…

信号处理 · 电气工程与系统科学 2022-06-16 Tilahun M. Getu , Nada T. Golmie , David W. Griffith

Orthogonal time frequency space (OTFS) modulation was shown to provide significant error performance advantages over orthogonal frequency division multiplexing (OFDM) in delay--Doppler channels. In order to detect OTFS modulated data, the…

信息论 · 计算机科学 2018-08-28 P. Raviteja , Khoa T. Phan , Yi Hong

Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly selective channels. \textcolor{black}{We commence by proposing…

信号处理 · 电气工程与系统科学 2025-09-18 Zeping Sui , Zilong Liu , Leila Musavian , Lie-Liang Yang , Lajos Hanzo