Conferences related to OFDM

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2018 11th Global Symposium on Millimeter Waves (GSMM)

The main theme of the GSMM2018 is Millimeter-wave Propagation: Hardware, Measurements and Systems. It covers millimeter-wave and THz devices, circuits, systems, and applications, with a special focus on mmWave propagation. The conference will include keynote talks, technical sessions, panels, and exhibitions on the listed topics.

  • 2017 10th Global Symposium on Millimeter-Waves (GSMM)

    The main theme of the symposium is Millimeter-Wave and Terahertz Sensing and Communications. It covers millimeter- wave and THz antennas, circuits, devices, systems and applications.

  • 2016 Global Symposium on Millimeter Waves (GSMM) & ESA Workshop on Millimetre-Wave Technology and Applications

    The main theme of the conference is millimeter-wave and terahertz sensing and communications and the conference covers different topics related to millimeter-wave and terahertz technologies, such as: antennas and propagation, passive and active devices, radio astronomy, earth observation and remote sensing, communications, wireless power transfer, integration and packaging, photonic systems, and emerging technologies.

  • 2015 Global Symposium On Millimeter Waves (GSMM)

    The main theme of the GSMM 2015 is “Future Millimeter-wave and Terahertz Wireless and Wireline”. It will cover all emerging and future millimeter wave and terahertz software and hardware aspects ranging from communicating devices, circuits, systems and applications to passive and active sensing and imaging technologies and applications. The GSMM 2015 will feature world-class keynote speeches, technical sessions, panel discussions and industrial exhibitions in the following (but not limited to) topics listed below.In addition to the regular program, the GSMM 2015 will organize a unique industrial forum for presenting and discussing future wireless technologies and trends including 5G and Terahertz Wireless Systems.

  • 2012 5th Global Symposium on Millimeter Waves (GSMM 2012)

    The aim of the conferences is to bring together people involved in research and development of millimeter-wave components, equipment and systems, and to explore common areas.

  • 2009 Global Symposium On Millimeter Waves (GSMM 2009)

    The GSMM2009 will be held in Sendai, Japan from April 20 to April 22, 2009. The GSMM2009 is the second international conference in its name after the three conferences of TSMMW, MINT-MIS, and MilliLab Workshop on Millimeter-wave Technology and Applications were integrated into GSMM (Global Symposium on Millimeter Waves) in 2007. The main theme of the GSMM2009 is "Millimeter Wave Communications at Hand" and it will focus on millimeter wave devices and systems to realize Giga-bit wireless applications. The

  • 2008 Global Symposium On Millimeter Waves (GSMM 2008)

    Frequency Management and Utilization, Millimeter-Wave Communication Systems, Devices and Circuit Technologies, Wireless Access Systems, Mobile Access Systems, Satellite Communications, LANs and PANs, Home Link Systems, Photonics, Antennas and Propagation, Phased Array Antennas, Signal Processing, Wearable Devices and Systems, Automotive Radars and Remote Sensing, Supporting and Related Technologies


2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT)

Process & Device Technologies1. Channel Engineering2. High-k/Metal gate Technology3. Advanced Source/Drain Technology4. Interconnect Technology5. Advanced 3D Integration6. Novel Process Technologies7. Ultra-Thin Body Transistors and Device Variability8. Advanced High-k Metal Gate SoC and High Performance CMOS Platforms 9. CMOS Performance Enhancing and Novel Devices 10. Advanced FinFETs and Nanowire FETs11. CNT, MTJ Devices and Nanowire Photodiodes12. Low- Power and Steep Slope Switching Devices13. Graphene Devices14. Advanced Technologies for Ge MOSFETs15. Organic semiconductor devices and technologies16. Compound semiconductor devices and Technology 17. Ultra High Speed Transistors, HEMT/HBT etc. 18. Advanced Power Devices and Reliability19. Flash Memory20. IT Magnetic RAM21. Resistive RAM

  • 2016 13th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT)

    Process & Device Technologies1. Channel Engineering2. High-k/Metal gate Technology3. Advanced Source/Drain Technology4. Interconnect Technology5. Advanced 3D Integration6. Novel Process Technologies7. Ultra-Thin Body Transistors and Device Variability8. Advanced High-k Metal Gate SoC and High Performance CMOS Platforms 9. CMOS Performance Enhancing and Novel Devices 10. Advanced FinFETs and Nanowire FETs11. CNT, MTJ Devices and Nanowire Photodiodes12. Low- Power and Steep Slope Switching Devices13. Graphene Devices14. Advanced Technologies for Ge MOSFETs15. Organic semiconductor devices and technologies16. Compound semiconductor devices and Technology 17. Ultra High Speed Transistors, HEMT/HBT etc. 18. Advanced Power Devices and Reliability19. Flash Memory20. IT Magnetic RAM21. Resistive RAMs22. Phase Change Memory23. 3-Dimensional Memory24. MEMS Technology25. Thin Film Transistors26. Biosensors27. PV and Energy Harvesting28. Front End of Line (FEOL) R

  • 2014 IEEE 12th International Conference on Solid -State and Integrated Circuit Technology (ICSICT)

    Process & Device Technologies1. Channel Engineering2. High-k/Metal gate Technology3. Advanced Source/Drain Technology4. Interconnect Technology5. Advanced 3D Integration6. Novel Process Technologies7. Ultra-Thin Body Transistors and Device Variability8. Advanced High-k Metal Gate SoC and High Performance CMOS Platforms 9. CMOS Performance Enhancing and Novel Devices 10. Advanced FinFETs and Nanowire FETs11. CNT, MTJ Devices and Nanowire Photodiodes12. Low- Power and Steep Slope Switching Devices13. Graphene Devices14. Advanced Technologies for Ge MOSFETs15. Organic semiconductor devices and technologies16. Compound semiconductor devices and Technology 17. Ultra High Speed Transistors, HEMT/HBT etc. 18. Advanced Power Devices and Reliability19. Flash Memory20. IT Magnetic RAM21. Resistive RAMs22. Phase Change Memory23. 3-Dimensional Memory24. MEMS Technology25. Thin Film Transistors26. Biosensors27. PV and Energy Harvesting28. Front End of Line (FEOL) R

  • 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology (ICSICT)

    Silicon IC, Silicon/germanium devices , Interconnect , Low K and High Kdielectric , Advance Memories , nano -electronics, Organic and Compound semiconductor devices ,sensors and MEMS, Semiconductor material erization, Reliability , Modeling and simulation,Packaging and testing , Digital, Analog, Mixed Signal IC and SOC design technology,Low -power, RF devices & circuits, ICCAD

  • 2010 IEEE 10th International Conference on Solid-State and Integrated Circuit Technology (ICSICT)

    Silicon IC, Silicon/germanium devices , Interconnect , Low K and High K dielectric , Advance Memories , nano-electronics, Organic and Compound semiconductor devices , sensors and MEMS, Semiconductor material characterization, Reliability , Modeling and simulation, Packaging and testing , Digital, Analog, Mixed Signal IC and SOC design technology,Low-power, RF devices & circuits, IC CAD .

  • 2008 9th International Conference on Solid-State and Integrated-Circuit Technology (ICSICT)

  • 2006 8th International Conference on Solid-State and Integrated-Circuit Technology (ICSICT)

  • 2004 7th International Conference on Solid-State and Integrated-Circuit Technology (ICSICT)


2018 15th International Symposium on Wireless Communication Systems (ISWCS)

The aim of this symposium is to provide a forum for researchers and technologists to present new ideas and contributions in the form of technical papers, panel discussions, as well as real-world evaluation in the field of wireless communications, networking and signal processing.The symposium will bring together various wireless communication systems developers to discuss the current status, technical challenges, standards, fundamental issues, and future services and applications.

  • 2017 International Symposium on Wireless Communication Systems (ISWCS)

    This event will bring together experts from various research and industry fields of wireless communications, as well as representatives of standardization and regulatory bodies. In that context we foresee focusing on highly-innovative and state-of-the-art contributions in the form of original technical papers, demos or products and achievements shown at the accompanying exhibition.

  • 2016 International Symposium on Wireless Communication Systems (ISWCS)

    The Thirteen International Symposium on Wireless Communication Systems (ISWCS’16) will follow the over ten-year long traditionof that event which will bring together experts from various research and industry fields of wireless communications, as well as representatives of standardization and regulatory bodies. In that context we foresee focusing on highly-innovative and state-of-the-art contributions in the form of original technical papers, demos or products and achievements shown at the accompanying exhibition.

  • 2015 International Symposium on Wireless Communication Systems

    The aim of this symposium is to provide a forum for researchers and technologists to present new ideas and contributions in the form of technical papers, panel discussions as well as real-world evaluation of many ideas in wireless communications, networking and signal processing. This twelfth edition of the symposium will bring together various wireless communication systems developers to discuss the current status, technical challenges, standards, fundamental issues, and future services and applications. ISWCS’15 seeks to address and capture highly-innovative and state-of-the-art research from academia and the wireless industry, as well as standardization advances. The scope of the conference includes a wide range of technical challenges encompassing wireless communications, information theory, quality of service support, networking, signal processing, cross-layer design for improved performance, and future wireless broadband systems.

  • 2014 11th International Symposium on Wireless Communications Systems (ISWCS)

    Wireless communications are at the heart of a new field characterized by smart and flexible transceiver concepts, the convergence of systems and technologies, and the development of technologies with a user-centric focus. In this context, the objective of the ISWCS'2014 is to provide a recognized and dynamic forum for researchers and engineers from academia and industry to present and to discuss original ideas and contributions in all fields related to mobile wireless communication systems, and to capture highly-innovative and state-of-the-art research from academia, the wireless industry as well as standardization advances, and to present novel contributions in the form of tutorials, panel discussions, keynote speeches, technical papers, and posters. The scope of the conference includes a wide range of technical challenges encompassing wireless communications and networking, quality of service, signal processing, cross layer design, broadband access, and cooperative communication.

  • 2013 Tenth International Symposium on Wireless Communications Systems (ISWCS)

    wireless communications systems

  • 2012 9th International Symposium on Wireless Communication Systems (ISWCS 2012)

    The scope of the conference includes wireless communications, quality of service support, wireless networking, signal processing, cross layer air interface design and wireless broadband access.

  • 2011 8th International Symposium on Wireless Communication Systems (ISWCS 2011)

    ISWCS'11 seeks to address and capture highly innovative and state-of-the-art research from academia, the wireless industry and standardization bodies. The scope of the conference includes technical challenges encompassing wireless communications, quality of service support, wireless networking, signal processing, cross-layer air interface design, wireless broadband access and cooperative communication.

  • 2010 7th International Symposium on Wireless Communication Systems (ISWCS 2010)

    wireless and mobile communications, signal processing, networking, cognitive radio.

  • 2009 6th International Symposium on Wireless Communication Systems (ISWCS 2009)

    ISWCS 09 seeks to address highly-innovative research as well as wireless industry and standardization bodies contributions. The scope of the conference includes a wide range of technical challenges encompassing wireless communications and networking, quality of service support, cross-layer air interface design for improved performance, wireless broadband access, and cooperative networking.

  • 2008 IEEE International Symposium on Wireless Communication Systems (ISWCS 2008)

    Wireless communications is at the centre of a new and passionate era for telecommunications. The IEEE International Symposium on Wireless Communication Systems (ISWCS) positions itself as a recognised and dynamic forum for researchers and technologists to present and discuss original ideas in all fields related to wireless communication systems.

  • 2007 IEEE International Symposium on Wireless Communication Systems (ISWCS 2007)

    Identify and discuss the future technical challenges and business opportunities arising in the path towards the realization of ambient wireless communication networks. Together with the technical sessions, the symposium will feature tutorials and keynote presentations from leading wireless communication experts from industry, academia and regulatory and standardization bodies.

  • 2006 3rd International Symposium on Wireless Communication Systems (ISWCS 2006)

  • 2005 2nd International Symposium on Wireless Communication Systems (ISWCS 2005)

  • 2004 1st International Symposium on Wireless Communication Systems (ISWCS 2004)


2018 16th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)

WiOpt 2018 welcomes original papers related to modeling, performance evaluation, and optimization of wireless networks. The scope covers all types of wireless networks: cellular, ad hoc, content-driven, delay-tolerant, mesh, metropolitan, sensor, cognitive, vehicular, robotic, Internet of Things, virtualized, etc. The focus is on issues at and above the MAC layer, although cross-layer techniques encompassing the physical layer are equally welcome. We encourage both theoretical contributions and submissions relating to real world empirical measurements, experimental studies.


2018 23rd Opto-Electronics and Communications Conference (OECC)

Core/Access Networks and Switching Subsystems, Transmission Systems and Their Subsystems, Optical Fibers, Fiber Amplifiers, and Related Devices, Optical Active Devices and Modules, Passive Devices and Modules

  • 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC)

    OECC and PGC 2017 will be held during 31 July - 4 August 2017 at Sands Expo and Convention Centre, Singapore. The aim of this conference is to foster interactions among broad disciplines in the photonics family. This mega conference brings together international leading researchers, scientists and engineers who are actively working in lasers and their applications, nanophotonics, metamaterial, biophotonics, plasmonics, optical devices, optical transmission and optical networking, optical fibers, optical switching system and related technologies. The conference widely covers the field of "Photonics" from devices to systems and networks.

  • 2015 Opto-Electronics and Communications Conference (OECC)

    To provide a platform for sharing the research work in various optical and photonic research fields

  • 2012 Opto-Electronics and Communications Conference (OECC)

    SC1. Core/Access Networks and Switching Subsystems SC2. Transmission Systems and Subsystems SC3. Optical Fibers, Cables, and Fiber Devices SC4. Optical Active Devices and Modules SC5. Optical Passive Devices and Modules SC6. CLEO Focus Session

  • 2011 16th Opto-Electronics and Communications Conference (OECC)

    1 Core/Access Networks. 2. Transmission Systems 3. Optical Fibers, Cables and Fiber Devices 4. Optical Active Devices and Modules 5. Optical Passive Devices and Modules 6. LCD, Solar Cell, and Solid-state Lighting Technologies 7. Emerging Technologies

  • 2010 15th OptoeElectronics and Communications Conference (OECC)

    1. Core/Access Networks and Switching Subsystems 2. Transmission Systems and their Subsystems 3. Optical Fibers, Cables and Fiber Devices 4. Optical Active Devices and Modules 5. Optical Passive Devices and Modules

  • 2009 14th OptoeElectronics and Communications Conference (OECC)

    Optical Networks and Broadband Access, Transmission Systems and Switching Technologies, Optical Signal Processing, Optical Sensors and Systems, Optical Fiber and Waveguide Devices, Optoelectronic Materials, Devices and Modules, and Emerging Technologies


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Periodicals related to OFDM

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Broadcasting, IEEE Transactions on

Broadcast technology, including devices, equipment, techniques, and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.


Circuits and Systems II: Express Briefs, IEEE Transactions on

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.


Communications Letters, IEEE

Covers topics in the scope of IEEE Transactions on Communications but in the form of very brief publication (maximum of 6column lengths, including all diagrams and tables.)


Communications Magazine, IEEE

IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...


Communications, IEEE Transactions on

Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...


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Most published Xplore authors for OFDM

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Xplore Articles related to OFDM

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Efficiency Enhancement of RF-Pilot-Based Phase Noise Compensation for Coherent Optical OFDM Systems

[{u'author_order': 1, u'full_name': u'S. Hussin'}, {u'author_order': 2, u'full_name': u'K. Puntsri'}, {u'author_order': 3, u'full_name': u'R. Noe'}] OFDM 2012; 17th International OFDM Workshop 2012 (InOWo'12), 2012

Phase noise effects must be taken into account when studying the performance of coherent optical orthogonal frequency division multiplexing (CO-OFDM) transmission systems. One drawback of CO-OFDM is the high sensitivity to phase noise. In this paper, we explain different kinds of phase noise effects on the OFDM signals and analyze the phase noise effect induced by transmitter laser and receiver ...


Impact of Selective Channels on Post-OFDM Waveforms for 5G Machine Type Communications

[{u'author_order': 1, u'affiliation': u'ISEP, 10 rue de Vanves, Issy-Les-Moulineaux, 92130, France', u'full_name': u'Yahia Medjahdi'}, {u'author_order': 2, u'affiliation': u'CentraleSup\xe9lec-IETR - Avenue de la Boulaie, 35557 Cesson Sevigne, France', u'full_name': u'Yves Louet'}, {u'author_order': 3, u'affiliation': u'CentraleSup\xe9lec-IETR - Avenue de la Boulaie, 35557 Cesson Sevigne, France', u'full_name': u'Mouna Ben Mabrouk'}, {u'author_order': 4, u'affiliation': u'Conservatoire National des Arts et M\xe9tiers, 292 Rue Saint-Martin, Paris, 75003, France', u'full_name': u'Daniel Roviras'}, {u'author_order': 5, u'affiliation': u'Conservatoire National des Arts et M\xe9tiers, 292 Rue Saint-Martin, Paris, 75003, France', u'full_name': u'Rostom Zakaria'}, {u'author_order': 6, u'affiliation': u'Conservatoire National des Arts et M\xe9tiers, 292 Rue Saint-Martin, Paris, 75003, France', u'full_name': u'Hmaied Shaiek'}, {u'author_order': 7, u'affiliation': u'Conservatoire National des Arts et M\xe9tiers, 292 Rue Saint-Martin, Paris, 75003, France', u'full_name': u'Didier Le Ruyet'}, {u'author_order': 8, u'affiliation': u'THALES Communications & Security, Gennevilliers, F-93230, France', u'full_name': u'Sylvain Traverso'}, {u'author_order': 9, u'affiliation': u'CEA-Leti, Minatec Campus, France', u'full_name': u'Robin Gerzaguet'}, {u'author_order': 10, u'affiliation': u'CEA-Leti, Minatec Campus, France', u'full_name': u'David Demmer'}, {u'author_order': 11, u'affiliation': u'CEA-Leti, Minatec Campus, France', u'full_name': u'Jean-Baptiste Dore'}, {u'author_order': 12, u'affiliation': u"Innov'Com, Sup'Com Carthage University, Tunis, Tunisia", u'full_name': u'Rafik Zayani'}] 2018 15th International Symposium on Wireless Communication Systems (ISWCS), 2018

This paper proposes a thorough comparison of post-OFDM waveforms with both time and frequency selective channels. The waveforms which are considered are CP-OFDM, f-OFDM, WOLA, WOLA-COQAM, FBMC-OQAM, UF-OFDM, Wavelet-OFDM, FFT-FBMC and BF-OFDM. All these waveforms are potential candidates to support critical machine type communications (C-MTC) typically between devices. Based on real propagation channels, it first appears that UF -OFDM is ...


Performance comparison of visible light communication systems based on ACO-OFDM, DCO-OFDM and ADO-OFDM

[{u'author_order': 1, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Haozhe Chen'}, {u'author_order': 2, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Shizhe Hu'}, {u'author_order': 3, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Junjie Ding'}, {u'author_order': 4, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Shihang Bian'}, {u'author_order': 5, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Hao Wu'}, {u'author_order': 6, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Peiyi Hua'}, {u'author_order': 7, u'affiliation': u'School of Electronic & Information Engineering, Soochow University, Suzhou 215006, China', u'full_name': u'Shanhong You'}, {u'author_order': 8, u'affiliation': u'State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of Posts & Telecommunications, Wuhan 430074, China', u'full_name': u'Xiang Li'}, {u'author_order': 9, u'affiliation': u'State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of Posts & Telecommunications, Wuhan 430074, China', u'full_name': u'Qi Yang'}, {u'author_order': 10, u'affiliation': u'State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of Posts & Telecommunications, Wuhan 430074, China', u'full_name': u'Ming Luo'}] 2017 16th International Conference on Optical Communications and Networks (ICOCN), 2017

We compared the performance of the asymmetric and direct current bias limiting optical orthogonal frequency division multiplexing (ADO-OFDM), asymmetric limiting optical orthogonal frequency division multiplexing (ACO-OFDM), and the direct current bias limiting optical orthogonal frequency division multiplexing (DCO-OFDM) in visible light communication (VLC) systems. We optimize the power ratio between ACO and DCO parts in ADO-OFDM. The results show that ...


Adaptive Windowing for OFDM with Dense Subcarrier Spacing in Mobile Channels

[{u'author_order': 1, u'full_name': u'J. Robert'}, {u'author_order': 2, u'full_name': u'J. Zoellner'}, {u'author_order': 3, u'full_name': u'M. Slimani'}] OFDM 2012; 17th International OFDM Workshop 2012 (InOWo'12), 2012

This paper presents an algorithm for adaptive windowing for OFDM with dense subcarrier spacing. Instead of using a rectangular DFFT window a shaped window is employed. This algorithm has been implemented in our software-based DVB-T2 receiver. The receiver consciously adapts the shaping window in order to reach the best compromise between Inter Symbol and Inter Carrier Interference in highly mobile ...


An OFDM WLAN Multicast Hybrid Erasure Correction Prototype with Feedback Aggregation and Rate Adaptation

[{u'author_order': 1, u'full_name': u'Jochen Miroll'}, {u'author_order': 2, u'full_name': u'Martin Beyer'}, {u'author_order': 3, u'full_name': u'Thorsten Herfet'}] OFDM 2012; 17th International OFDM Workshop 2012 (InOWo'12), 2012

Aggregation of multicast feedback in time is evaluated herein with respect to physical layer rate adaptation in OFDM based WLANs. An opportunistic scheduler with perfect channel knowledge is used as an upper limit for multicast throughput. We find that feedback aggregation multicast performs close to this limit. In realistic fading scenarios, delay constrained audio-visual streaming performance of a hybrid overlay ...


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Educational Resources on OFDM

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eLearning

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IEEE-USA E-Books

  • OFDM Basics

    Compared to the canonical single‐carrier serial transmission scheme, orthogonal frequency‐division multiplexing (OFDM) is a block transmission scheme, which partitions information symbols into blocks, and a guard interval is inserted between consecutive blocks before transmission. There are two different types of guard intervals: one is padding zeros at the end of an OFDM symbol, and the other is inserting a cyclic prefix in the front of an OFDM symbol. Accordingly, OFDM signaling has two popular formats: zero‐padded (ZP) OFDM and cyclic‐prefixed (CP) OFDM. This chapter discusses the OFDM signal generation and reception for both ZP‐ and CP‐OFDM, and the OFDM signaling properties. It demonstrates the digital implementation of the receiver in the presence of a time‐invariant channel using discrete Fourier transform (DFT). The issues that must be addressed to make OFDM modulation successful in a practical underwater system are listed. The chapter also discusses multiple‐input multiple‐output (MIMO) OFDM.

  • OFDM Modem Development

    This chapter describes the modem implementation aspect and presents some example designs of orthogonal frequency‐division multiplexing (OFDM) based acoustic modems. To have a standalone underwater acoustic modem, which supports point to point communications, the following components are needed: hardware platform consisting of various units and DSP firmware. Demonstration of acoustic communication algorithms can be accomplished with low cost in the air, which often serves the educational purposes. The underwater sensor network (UWSN) lab at University of Connecticut has developed an OFDM lab modem prototype based on a DSP development board, as discussed in the chapter. AquaSeNT, a startup from the University of Connecticut, has licensed the OFDM modem technologies from the University of Connecticut and has launched a commercial modem product, which is also discussed in the chapter.

  • OFDM versus MCCDMA Systems, Their Spreading Codes and Peak Factor Reduction

  • Advanced QAM: Adaptive versus SpaceTime Block and TrellisCoded OFDM

  • Synchronization for OFDM

    This chapter first analyzes the effects of symbol timing offset (STO) and carrier frequency offset (CFO) in OFDM systems and then, discusses the synchronization techniques that estimate these offsets either in a time domain or a frequency domain. It also presents the_ready-to-run_MATLAB? programs for the simulation of those techniques.

  • OFDM System Design

  • Advanced Topics: Channel Estimation and Multiuser OFDM Systems

  • Advanced QAM: TurboEqualised Adaptive TCM, TTCM, BICM, BICMID and SpaceTime Coding Assisted OFDM and CDMA Systems

  • Introduction to OFDM

    This chapter presents the basic principle of OFDM (orthogonal frequency division multiplexing) transmission techniques and their performance, including the_ready-to-run_MATLAB? programs for the simulation. It also introduces the concept of orthogonal frequency division multiple access (OFDMA), which is the multiple access technique associated with OFDM.

  • Distributed MIMO OFDM

    This chapter considers an OFDM system with multiple distributed users. Via some coordination mechanisms, the signals from different users are assumed to be synchronized on the OFDM block level and the major challenge for receiver design lies on how to deal with the significantly different Doppler distortions on different data streams. In such scenarios, a single resampling operation at the receiver does not suffice to remove the main Doppler distortion of all data streams. First, the chapter introduces a front‐end processing module that consists of multiple resampling operations. Next, it presents one receiver termed as a multiuser detection (MUD) based iterative receiver. Another receiver termed as a practical receiver design for the distributed MIMO‐OFDM system is considered. Here, the channel model with path‐specific Doppler scales is adopted; however, it is assumed that data streams from the same user will experience one dominant Doppler scale.



Standards related to OFDM

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