Academic literature on the topic 'OFDM (Orthogonal Frequency Division Multiplexing)'

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Journal articles on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Junejo, Naveed Ur Rehman, Mariyam Sattar, Saifullah Adnan, et al. "A Survey on Physical Layer Techniques and Challenges in Underwater Communication Systems." Journal of Marine Science and Engineering 11, no. 4 (2023): 885. http://dx.doi.org/10.3390/jmse11040885.

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In the past decades, researchers/scientists have paid attention to the physical layer of underwater communications (UWCs) due to a variety of scientific, military, and civil tasks completed beneath water. This includes numerous activities critical for communication, such as survey and monitoring of oceans, rescue, and response to disasters under the sea. Till the end of the last decade, many review articles addressing the history and survey of UWC have been published which were mostly focused on underwater sensor networks (UWSN), routing protocols, and underwater optical communication (UWOC).
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Uppal, Sabhyata, Sanjay Sharma, and Hardeep Singh. "Analytical Investigation on Papr Reduction in OFDM Systems Using Golay Codes." Journal of Electrical Engineering 65, no. 5 (2014): 289–93. http://dx.doi.org/10.2478/jee-2014-0046.

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Abstract Orthogonal frequency division multiplexing (OFDM) is a common technique in multi carrier communications. One of the major issues in developing OFDM is the high peak to average power ratio (PAPR). Golay sequences have been introduced to construct 16-QAM and 256-QAM (quadrature amplitude modulation) code for the orthogonal frequency division multiplexing (OFDM), reducing the peak-to-average power ratio. In this paper we have considered the use of coding to reduce the peakto- average power ratio (PAPR) for orthogonal frequency division multiplexing (OFDM) systems. By using QPSK Golay seq
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Sun, Zeng You, and Fan Ming Zeng. "Optimization and Simulation of OFDM System Based on Orthogonal Wavelet." Applied Mechanics and Materials 548-549 (April 2014): 1221–26. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.1221.

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In order to reduce the Orthogonal Frequency division Multiplexing (OFDM) Inter-Carrier Interference (ICI), Put forward a kind of modulation method that based on the orthogonal frequency division multiplexing of orthogonal wavelet, Using orthogonal wavelet instead of discrete Fourier transform, optimize the design for OFDM systems, on the premise of without protection interval to reduce the system interference, using MATLAB to simulate the OFDM system, results show that the optimization of the OFDM can reduce the power of the ICI and Inter-symbol Interference (ISI) and improve the comprehensive
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Yang, Jieying. "Orthogonal frequency division multiplexing technology based on MATLAB." Applied and Computational Engineering 6, no. 1 (2023): 351–58. http://dx.doi.org/10.54254/2755-2721/6/20230807.

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The subcarriers of an orthogonal frequency division multiplexing (OFDM) system are not identical in the time domain, and their spectra also overlap. As a result, the spectrum is being used effectively. Its effective use of frequency resources and capacity to combat channel fading have made it the de facto technical standard. In wireless communication, numerous pathways in the channel can lead to interference between symbols, known as inter-symbol interference (ISI). This research supplements OFDM systems with some safeguards to eliminate inter-symbol interference. Most traditionally, OFDM symb
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Francis, Xavier, Babu S. Hari, A. Rajesh, and Basha SK Jameer. "Low Code Coding Approach for ofdm Systems Coded with the Progressive Transmission." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 9, no. 12 (2020): 185–88. https://doi.org/10.35940/ijitee.L7962.1091220.

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Orthogonal Frequency Division Multiplexing (OFDM) offers several benefits such as flexible wrapping, mail sign interference, reduced complexity and more. The only way to match parallel channels is to have genetic diversity in multipath channels. Various coded of OFDM systems reported using some form of channel coding or pre-coding to improve system performance. The execution of irrational orthogonal frequency division multiplexing (OFDM) on blurred channels is usually better than introducing some coding. Various coding schemes for off-OFDM have been reported in the literature.
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Koti, Jayasudha, and Braj Kishore Mishra. "BER Performance Comparison of DCO-OFDM and Convolutional Coded DCO-OFDM in IM/DD Systems." International Journal of Electronics, Communications, and Measurement Engineering 8, no. 2 (2019): 26–39. http://dx.doi.org/10.4018/ijecme.2019070102.

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Optical wireless communication (OWC) is an alternative technology to meet the demands of the exponentially-growing high data rate applications run by broadband users. The implementation of single carrier modulation techniques in OWC is an age old technology, but for the last few years research is focused towards the multicarrier modulation techniques in OWC. In OWC, information is carried using intensity modulation and retrieved using direct detection. To perform intensity modulation, the baseband signal should be a unipolar signal. To obtain a unipolar signal, various techniques such as DC-bi
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Yang, Xianzhen, Siyuan Yan, Xiao Li, and Fu Li. "A Unified Spectrum Formulation for OFDM, FBMC, and F-OFDM." Electronics 9, no. 8 (2020): 1285. http://dx.doi.org/10.3390/electronics9081285.

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Although orthogonal frequency division multiplexing (OFDM) has been standardized for 5G, filter bank multi-carrier (FBMC) and filtered orthogonal frequency division multiplexing (F-OFDM) remain competitive as candidates for future generations of wireless technologies beyond 5G, due to their reduced spectrum leakage and thus enhanced spectrum efficiency. In this article, we developed a unified spectrum expression for OFDM, FBMC, and F-OFDM, which provides comparative insights into those techniques. A representative sideband quantification is included at the end of this article.
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Chen, Jiamin, Chen Chen, Zhihong Zeng, et al. "Orthogonal Frequency Division Diversity and Multiplexing for 6G OWC: Principle and Underwater Use Case." Photonics 11, no. 11 (2024): 1051. http://dx.doi.org/10.3390/photonics11111051.

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In this paper, we, for the first time, propose and demonstrate an orthogonal frequency division diversity and multiplexing (OFDDM) scheme for the sixth-generation (6G) underwater optical wireless communication (UOWC) systems. In OFDDM, the subcarriers are grouped into subblocks; the subcarriers within each subblock transmit the same constellation symbol through diversity transmission, while different subblocks transmit different constellation symbols via multiplexing transmission. As a result, OFDDM can support hybrid diversity and multiplexing transmission simultaneously. Moreover, the combin
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Yan, Hua. "Orthogonal Frequency Division Multiplexing: Status, Challenges and Directions." Applied and Computational Engineering 134, no. 1 (2025): 99–108. https://doi.org/10.54254/2755-2721/2025.20930.

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With the convergence of communication and radar technologies, Integrated Sensing and Communication (ISAC) is expected to be a pivotal focus area for future 6G networks. Orthogonal Frequency Division Multiplexing (OFDM) technology plays a crucial role in enabling ISAC. This paper examines the fundamental principles of OFDM, its applications in terahertz ISAC systems, related advancements such as Orthogonal Time Frequency Space (OTFS), and its potential integration into future air-space-ground networks. While OFDM technology demonstrates significant promise, it also presents several challenges.
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Neha, Therkar* Rohit Rathor. "A TECHNICAL REVIEW OF PEAK TO AVERAGE POWER RATIO REDUCTION IN MIMO-OFDM." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 9 (2016): 747–51. https://doi.org/10.5281/zenodo.155105.

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In this paper, detailed review of bit error rate (BER) and peak to average power ratio (PAPR) reduction in multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) and performance analysis of OFDM in various channel is given. This paper will contribute in better choices of technical methods to reduce bit error rate and the peak to average power ratio in orthogonal frequency division multiplexing for high speed wireless communication. One major shortcoming of OFDM is the high peak-to average Power ratio (PAPR). Most investigated techniques modified are Selected Mapp
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Dissertations / Theses on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Zhang, Hua. "Orthogonal Frequency Division Multiplexing for Wireless Communications." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4960.

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OFDM is a promising technique for high-data-rate wireless communications because it can combat inter-symbol interference (ISI) caused by the dispersive fading of wireless channels. The proposed research focuses on techniques that improve the performance of OFDM-based wireless communications and its commercial and military applications. In particular, we address the following aspects of OFDM: inter-channel interference (ICI) suppression, interference suppression for clustered OFDM, clustered OFDM based anti-jamming modulation, channel estimation for MIMO-OFDM, MIMO transmission with limited fee
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Recio, Adolfo Leon. "Spectrum-Aware Orthogonal Frequency Division Multiplexing." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/30193.

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Reconfigurable computing architectures are well suited for the dynamic data flow processing requirements of software-defined radio. The software radio concept has quickly evolved to include spectrum sensing, awareness, and cognitive algorithms for machine learning resulting in the cognitive radio model. This work explores the application of reconfigurable hardware to the physical layer of cognitive radios using non-contiguous multi-carrier radio techniques. The practical tasks of spectrum sensing, frame detection, synchronization, channel estimation, and mutual interference mitigation are c
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Challakere, Nagaravind. "Carrier Frequency Offset Estimation for Orthogonal Frequency Division Multiplexing." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1423.

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This thesis presents a novel method to solve the problem of estimating the carrier frequency set in an Orthogonal Frequency Division Multiplexing (OFDM) system. The approach is based on the minimization of the probability of symbol error. Hence, this approach is called the Minimum Symbol Error Rate (MSER) approach. An existing approach based on Maximum Likelihood (ML) is chosen to benchmark the performance of the MSER-based algorithm. The MSER approach is computationally intensive. The thesis evaluates the approximations that can be made to the MSER-based objective function to make the computa
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Acácio, Luís Carlos Lorenzo. "Equalização pré-FFT de sistemas baseados em orthogonal frequency-division multiplexing." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/3/3142/tde-17122004-154902/.

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Esta dissertação trata da equalização no domínio do tempo de sistemas de comunicações digitais baseados em orthoghonal frequency-division multiplexing (OFDM), normalmente referida na literatura técnica como equalização pré-FFT. Tais sistemas foram originalmente projetados de modo a não necessitar de equalização, porém podem se beneficiar com seu uso, como mostrado a seguir. Foi implementado, em programa de computador, um simulador não codificado do sistema de televisão digital terrestre utilizado na Europa, o digital video broadcasting (DVB-T), que é baseado em OFDM e se encontra implantado co
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Li, Kai. "Fast orthogonal frequency division multiplexing (Fast-OFDM) for wireless communications." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/17220/.

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This thesis presents research that has addressed various design issues related to an adapted orthogonal frequency division multiplexing scheme, namely Fast-OFDM. A comparative study of the system with conventional OFDM in various signal mapping conditions has been investigated. The thesis reports on performance assessment in terms of bit-error-rate (BER) performance, spectral efficiency, peak-to-average-power ratio (PAPR), nonlinear effects and adjacent channel interference (ACI) analysis. The results show that the performance of Fast-OFDM is comparable to OFDM for single dimensional modulatio
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Chen, Jianwu, and 陳建武. "Frequency synchronization in OFDM-based systems." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40687338.

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Chen, Jianwu. "Frequency synchronization in OFDM-based systems." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40687338.

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Prasetyo, Bhimantoro Yudho. "Synchronisation in OFDM systems." Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252282.

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Mohamed, Salma Darwish Abd Elaziz. "Modified Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing (MACO-OFDM) system." Thesis, University of Strathclyde, 2015. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25820.

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A modification to the Asymmetrically Clipped Optical OFDM (ACO-OFDM) technique, a well reported non-coherent optical implementation is proposed. A Modified ACO-OFDM (MACO-OFDM) system is developed to improve system performance at the expense of spectral efficiency. A MACO-OFDM system model is defined underpinned by a detailed mathematical framework verified through Monte Carlo simulations. System performance is compared to that of conventional ACO-OFDM. A 1.5 dB saving is achieved in the Bit Error Rate (BER) performance of 4-QAM ACO-OFDM after applying the proposed modification; the theoretica
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Deckert, Thomas. "Orthogonal frequency division multiplexing based medium access under rate constraints." Dresden Vogt, 2007. http://deposit.d-nb.de/cgi-bin/dokserv?id=3002150&prov=M&dok_var=1&dok_ext=htm.

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Books on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Ramjee, Prasad, ed. OFDM wireless multimedia communications. Artech House, 2000.

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Wenk, Markus. MIMO-OFDM testbed: Challenges, implementations, and measurement results. Hartung-Gorre, 2010.

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Arijon, Ignacio M. Performance of an orthogonal frequency division multiplexing (OFDM) system in frequency selective channels. University of Manchester, 1996.

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Perels, Christop David. Frame-based MIMO-OFDM systems: Impairment estimation and compensation. Hartung-Gorre, 2008.

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Yŏnʼguwŏn, Hanʼguk Chŏnja Tʻongsin, ред. OFDM chŏnsong pangsik esŏŭi tongil chʻaenŏl RF chunggye kisul e kwanhan yŏnʼgu =: A study on the development of on-channel RF repeating technology based on OFDM modulation. Chisik Kyŏngjebu, 2008.

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Yŏnʼguwŏn, Hanʼguk Chŏnja Tʻongsin, ред. OFDM chŏnsong pangsik esŏŭi tongil chʻaenŏl RF chunggye kisul e kwanhan yŏnʼgu =: A study on the development of on-channel RF repeating technology based on OFDM modulation. Chisik Kyŏngjebu, 2008.

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Marc, Engels, ed. Wireless OFDM systems: How to make them work? Kluwer Academic Publishers, 2002.

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Bader, Faouzi, and Nizar Zorba. Advances on processing for multiple carrier schemes: OFDM & OFDMA. Nova Science Publishers, 2011.

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Engels, Marc. Wireless OFDM systems: How to make them work? Kluwer Academic Publishers, 2002.

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Häne, Simon. VLSI circuits for MIMO-OFDM physical layer. Hartung-Gorre, 2008.

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Book chapters on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Hu, Bin, Muhammad Irshad, Sohail M. Noman, Xilang Tang, Chen Song, and Sami Ahmed Haider. "Design and Simulation of Orthogonal Frequency-Division Multiplexing (OFDM) Signaling." In 3D Imaging Technologies—Multidimensional Signal Processing and Deep Learning. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3180-1_24.

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Adnan, Nur Qamarina Muhammad, Aeizaal Azman Abdul Wahab, Syed Sahal Nazli Alhady, and Wan Amir Fuad Wajdi. "Comparison of Different Data Detection Methods in Orthogonal Frequency Division Multiplexing (OFDM) System." In Proceedings of the 12th International Conference on Robotics, Vision, Signal Processing and Power Applications. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9005-4_38.

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Pavan Kumar Reddy, Y., Y. Sunanda, T. Uday Kiran, M. Venkata Sadvika, and K. Shankar. "Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing (ACO-OFDM) in Underwater Optical Communication." In Cognitive Science and Technology. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-9262-7_72.

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Rajanandhini, C., and S. P. K. Babu. "Comparison on Carrier Frequency Offset Estimation in Multi Band Orthogonal Frequency Division Multiplexing (OFDM) System." In Innovative Data Communication Technologies and Application. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38040-3_62.

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Mura, Silvia. "Optimized ISAC Waveform Design in 6G Networks." In SpringerBriefs in Applied Sciences and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-80268-3_12.

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Abstract Sixth-generation (6G) wireless networks introduce Integrated Sensing and Communication (ISAC) technology, enabling simultaneous communication and sensing through shared time, frequency, space, and energy resources. Designing ISAC waveforms is challenging due to the need to satisfy both high-capacity communication and accurate sensing. This work presents a dual-domain waveform design that integrates classical Orthogonal Frequency Division Multiplexing (OFDM) with a tailored sensing signal in the delay-Doppler domain with carefully adjusted power to enhance sensing resolution without si
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Atarashi, Hiroyuki, and Mamoru Sawahashi. "Variable Spreading Factor Orthogonal Frequency and Code Division Multiplexing (VSF-OFCDM)." In Multi-Carrier Spread-Spectrum & Related Topics. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4757-3569-7_11.

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Jiang, Chunbo. "Performance Analysis of 10 Gbit/s Optical Orthogonal Frequency Division Multiplexing (OFDM) Signal Transmission System Over Multimode Fiber." In Electrical, Information Engineering and Mechatronics 2011. Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2467-2_173.

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Al-Awadi, Adnan Ali Kadhim, and Husam Noaman Mohamed Ali. "Enhancement Optical Fiber Data Rate by Using 8 Port Dense Wide Division Multiplexing OF 256- Quadrature Amplitude Modulation (QAM) and Orthogonal Frequency Division Multiplexing (OFDM) Dual Polarization Technique." In Communications in Computer and Information Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72287-5_6.

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Abera, Workineh Gebeye. "Comparative Study of the Performances of Peak-to-Average Power Ratio (PAPR) Reduction Techniques for Orthogonal Frequency Division Multiplexing (OFDM) Signals." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95153-9_6.

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Hara, Shinsuke. "Orthogonal Frequency Division Multiplexing." In Handbook of Computer Networks. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118256053.ch39.

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Conference papers on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Kohno, Wataru, Jian Fang, Shuji Murakami, Giovanni Milione, and Ting Wang. "Underwater Acoustic OFDM Transmission over Optical Fiber with Distributed Acoustic Sensing." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.th2a.24.

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We demonstrate fiber-optic acoustic data transmission using distributed acous-tic sensing technology in an underwater environment. An acoustic orthogonal frequency-division multiplexing (OFDM) signal transmitted through a fiber-optic cable deployed in a standard 40-meter-scale underwater testbed.
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Pasya, Idnin, and Megat Syahirul Amin Megat Ali. "Evaluation of a Deep Learning-based Orthogonal Frequency Division Multiplexing (OFDM) Scheme for Undersea RF Communication." In 2024 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE). IEEE, 2024. https://doi.org/10.1109/apace62360.2024.10877407.

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Chen, Hao, Yanrui Wang, Lilin Dan, Juan Zhang, and Yue Xiao. "Constant Envelope Orthogonal Frequency-Division Multiplexing with Selective Mapping." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10784976.

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Chen, Jiamin, Chen Chen, Cuiwei He, and Min Liu. "Orthogonal Frequency Division Diversity and Multiplexing for Optical Communications." In 2024 IEEE Opto-Electronics and Communications Conference (OECC). IEEE, 2024. https://doi.org/10.1109/oecc54135.2024.10975709.

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Kabir, Waziha. "Orthogonal Frequency Division Multiplexing (OFDM)." In 2008 China-Japan Joint Microwave Conference (CJMW 2008). IEEE, 2008. http://dx.doi.org/10.1109/cjmw.2008.4772401.

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Kabir, W. "Orthogonal frequency division multiplexing (OFDM)." In China-Ireland International Conference on Information and Communications Technologies (CIICT 2008). IEE, 2008. http://dx.doi.org/10.1049/cp:20080773.

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Jian, Yin-He, Chih-Chun Wang, Tzu-Chieh Wei, et al. "Optical Beam Steerable and Flexible Data Rate Orthogonal Frequency Division Multiplexing Non-Orthogonal Multiple Access (OFDM-NOMA) Visible Light Communication." In Optical Fiber Communication Conference. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ofc.2023.m4f.3.

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We propose and demonstrate visible-light-communication (VLC) system using spatial-light-modulator (SLM) and orthogonal-frequency-division-multiplexing non-orthogonal-multiple access (OFDM-NOMA), illustrating the flexibilities of optical-beam steering and data-rate allocation for multiple users.
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Kuang, Yujun, Can Long, Keping Long, Jingsen Huang, Chaofeng Wu, and Qianbin Chen. "Pseudo-orthogonal Carrier Interference Orthogonal Frequency Division Multiplexing (PO-CI/OFDM) Revisited." In COIN-NGNCON 2006 - The Joint International Conference on Optical Internet and Next Generation Network. IEEE, 2006. http://dx.doi.org/10.1109/coinngncon.2006.4454680.

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Suma, M. N., and B. Kanmani. "Developments in orthogonal frequency division multiplexing (OFDM) system-a survey." In 2011 Second Asian Himalayas International Conference on Internet (AH-ICI). IEEE, 2011. http://dx.doi.org/10.1109/ahici.2011.6113955.

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Tsonev, Dobroslav, Sinan Sinanovic, and Harald Haas. "Novel Unipolar Orthogonal Frequency Division Multiplexing (U-OFDM) for Optical Wireless." In 2012 IEEE Vehicular Technology Conference (VTC 2012-Spring). IEEE, 2012. http://dx.doi.org/10.1109/vetecs.2012.6240060.

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Reports on the topic "OFDM (Orthogonal Frequency Division Multiplexing)"

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Hufford, George. Orthogonal frequency division multiplexing: An application to high definition television. Institute for Telecommunication Sciences, 1994. https://doi.org/10.70220/x35cqj09.

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