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相关论文: Sub-Nyquist Sampling OFDM Radar

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With hundreds of billions of the IoT connected devices, it is important for researchers to create effective resource management approach to satisfy the quality of service (QoS) requirements of 5th generation (5G) and beyond. Furthermore,…

信号处理 · 电气工程与系统科学 2022-08-31 A. Mohammed , H. Mostafa , A. A. Ammar

In this paper, we propose an anti-jamming communication framework for orthogonal frequency-division multiplexing (OFDM) systems under jamming attacks. To this end, we first develop an anti-jamming modulation scheme that uses a spreading…

信息论 · 计算机科学 2025-10-06 Jaewon Yun , Joohyuk Park , Yo-Seb Jeon

Orthogonal Frequency-Division Multiplexing (OFDM) is widely used in modern wireless communication systems due to its robustness against time-dispersive channels. In this work, we consider a non-cooperative scenario where the receiver does…

信息论 · 计算机科学 2025-11-25 Vishnu Priya Chekuru , Ganapathiraju S S Ananya Varma , Arti Yardi , Praful Mankar

This paper investigates the problem of joint subcarrier and power allocation in the coexistence of radar and multi-user communication systems. Specifically, in our research scenario, the base station (BS) provides information transmission…

信息论 · 计算机科学 2023-08-23 Jia Zhu , Yifeng Xiong , Junsheng Mu , Ronghui Zhang , Xiaojun Jing

In this paper, we propose clipping noise cancellation scheme using compressed sensing (CS) for orthogonal frequency division multiplexing (OFDM) systems. In the proposed scheme, only the data tones with high reliability are exploited in…

信息论 · 计算机科学 2011-12-09 Kee-Hoon Kim , Hosung Park , Jong-Seon No , Habong Chung

Visible light communications (VLC) have recently attracted a growing interest and can be a potential solution to realize indoor wireless communication with high bandwidth capacity for RF-restricted environments such as airplanes and…

信息论 · 计算机科学 2016-11-18 Bilal A. Ranjha , Mohammadreza A. Kashani , Mohsen Kavehrad , Peng Deng

In this paper, deep neural network (DNN) is integrated with spatial modulation-orthogonal frequency division multiplexing (SM-OFDM) technique for end-to-end data detection over Rayleigh fading channel. This proposed system directly…

信号处理 · 电气工程与系统科学 2021-09-16 Ahmed M. Badi , Taissir Y. Elganimi , Osama A. S. Alkishriwo , Nadia Adem

The existing linear frequency modulated (LFM) (or step frequency) and random noise synthetic aperture radar (SAR) systems may correspond to the frequency hopping (FH) and direct sequence (DS) spread spectrum systems in the past second and…

信息论 · 计算机科学 2014-05-09 Tian-Xian Zhang , Xiang-Gen Xia

Integrated sensing and communication (ISAC) is a key enabling technique for future wireless networks owing to its efficient hardware and spectrum utilization. In this paper, we focus on dual-functional waveform design for a multi-input…

信号处理 · 电气工程与系统科学 2024-06-26 Peishi Li , Ming Li , Rang Liu , Qian Liu , A. Lee Swindlehurst

In this survey, we analyze the newest machine learning (ML) techniques for optical orthogonal frequency division multiplexing (O-OFDM)-based optical communications. ML has been proposed to mitigate channel and transceiver imperfections. For…

机器学习 · 计算机科学 2021-05-10 Hichem Mrabet , Elias Giaccoumidis , Iyad Dayoub

Massive multiple-input multiple-output (mMIMO) technology is considered a key enabler for the 5G and future wireless networks. In most wireless communication systems, mMIMO is employed together with orthogonal frequency-division…

网络与互联网体系结构 · 计算机科学 2023-07-03 Marcin Wachowiak , Pawel Kryszkiewicz

The performance analysis of a novel optical modulation scheme is presented in this paper. The basic concept is to transmit signs of modulated optical orthogonal frequency division multiplexing (O-OFDM) symbols and absolute values of the…

信息论 · 计算机科学 2019-05-16 Yichen Li , Dobroslav Tsonev , Harald Haas

As a new candidate waveform for the next generation wireless communications, orthogonal chirp division multiplexing (OCDM) has attracted growing attention for its ability to achieve full diversity in uncoded transmission, and its robustness…

信息论 · 计算机科学 2024-01-10 Yun Liu , Fei Ji , Miaowen Wen , Hua Qing

Wideband spectrum sensing motivates sub-Nyquist sampling architectures that exploit spectral sparsity, yet in blind scenarios where subband locations are unknown, existing schemes require sampling rates at least twice the theoretical…

信息论 · 计算机科学 2026-04-28 Dong Xiao , Jian Wang

The joint communication and sensing (JCS) system can provide higher spectrum efficiency and load-saving for 6G machine-type communication (MTC) applications by merging necessary communication and sensing abilities with unified spectrum and…

信息论 · 计算机科学 2023-04-05 Xu Chen , Zhiyong Feng , Zhiqing Wei , Ping Zhang , Xin Yuan

This paper introduces a novel framework for jointly estimating unknown radar channels and transmit signals in millimeter-wave (mmWave) Joint Radar-Communication (JRC) systems, a problem often referred to as dual-blind deconvolution. The…

信号处理 · 电气工程与系统科学 2025-01-09 Anis Hamadouche , Mathini Sellathurai

Orthogonal Frequency Division Multiplexing (OFDM) has recently been applied in wireless communication systems due to its high data rate transmission capability with high bandwidth efficiency and its robustness to multi-path delay. Fading is…

信息论 · 计算机科学 2013-01-01 Farhana Enam , Md. Arif Rabbani , Md. Ashraful Islam , Sohag Sarker

In recent years, there has been a growing interest in the use of single-photon avalanche diode (SPAD) in optical wireless communication (OWC). SPAD operates in the Geiger mode and can act as a photon counting receiver obviating the need for…

Phase noise correction is crucial to exploit full advantage of orthogonal frequency division multiplexing (OFDM) in modern high-data-rate communications. OFDM channel estimation with simultaneous phase noise compensation has therefore drawn…

信息论 · 计算机科学 2017-04-25 Zhongju Wang , Prabhu Babu , Daniel P. Palomar

This article presents our initial results in deep learning for channel estimation and signal detection in orthogonal frequency-division multiplexing (OFDM). OFDM has been widely adopted in wireless broadband communications to combat…

信息论 · 计算机科学 2017-08-30 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang