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Relevant bibliographies by topics / Orthogonal Frequency Division Multiple Access

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Academic literature on the topic 'Orthogonal Frequency Division Multiple Access'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 June 2025

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Journal articles on the topic "Orthogonal Frequency Division Multiple Access"

1

Yonis, Aws Zuheer, and Khalid Khalil Mohammed. "Investigation of pattern division multiple access technique in wireless communication networks." Indonesian Journal of Electrical Engineering and Computer Science 26, no. 1 (2022): 296. http://dx.doi.org/10.11591/ijeecs.v26.i1.pp296-303.

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Recently, <span>pattern division multiple access (PDMA) is a non-orthogonal multiple access system that is now being developed in next-generation telecoms to address the requirement for mass connectivity. The core premise of non-orthogonal multiple access is to simultaneously serve multiple users with varying power levels across the same spectrum resources such as time, frequency, code, as well as space with minimal inter-user interference. A simulation analysis of significant technology enhancements focusing on PDMA aims to describe the benefits of the two plans now being examined by the third-generation partnership project for 5G technologies, namely filtered orthogonal frequency division multiplexing (F-OFDM) and windowed orthogonal frequency division multiplexing (W-OFDM), and to compare them to alternative modulation processes such as 16, 32, and 128 modulations. The research results explained the PDMA is less bit error rate used in multiple access technologies compare with W-OFDM and F-OFDM.</span>

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Taubin, F. A. "MULTIPLE ACCESS IN WIRELESS CHANNELS USING NONORTHOGONAL CODING AND FREQUENCY INTERLEAVING." System analysis and logistics 4, no. 34 (2022): 73–82. http://dx.doi.org/10.31799/2077-5687-2022-4-73-82.

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Code division multiple access (CDMA) is currently considered as one of the promising technologies that can significantly improve the efficiency of modern and future communication networks. In code division multiple access systems, users can share a dedicated space-frequency-time resource to simultaneously transmit their own traffic. To ensure the separation of individual user streams on the receiving side, each user is provided with his own code sequence embedded in the broadband signal transmitted by this user, the spectrum of which, as a rule, occupies the entire allocated frequency band. When centimeter-and- millimeter wave wireless channels are used as the transmission medium, such factors as fading, multipath, and Doppler scatter can significantly degrade the performance of a code division multiple access system. The standard solution in this situation is to combine code division multiple access with OFDM (orthogonal frequency division multiplexing) technology, known as multicarrier CDMA (MC-CDMA). To ensure the acceptable level of performance of multiple access systems under oversaturated conditions, many novel approaches based on the use of non-orthogonal multiple access (NOMA) have been proposed. The paper considers a variant of multiple access with non-orthogonal coding that is close in approach to sparse coding multiple access (SCMA). The proposed access procedure is based on dividing the allocated time-frequency resource into relatively small clusters and sharing each cluster with its own group of users, equipped with a non-orthogonal cluster code with the ability to change the loading factor. For the proposed class of cluster codes, a general encoding and decoding scheme is presented. Examples of specific cluster code constructions and numerical results are given that allow one to get a number of the parameters for tradeoffs between an increase of the loading factor in the system and additional energy loss.

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Barbarossa, S., M. Pompili, and G. B. Giannakis. "Channel-independent synchronization of orthogonal frequency division multiple access systems." IEEE Journal on Selected Areas in Communications 20, no. 2 (2002): 474–86. http://dx.doi.org/10.1109/49.983375.

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Wang, Hui Qi, and Wangyong Lv. "FrFT Angle Division Multiple Access with Optimal Time-Frequency-Angle Resource Distribution." Applied Mechanics and Materials 519-520 (February 2014): 1012–15. http://dx.doi.org/10.4028/www.scientific.net/amm.519-520.1012.

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In this paper, optimal time-frequency-angle (TFA) resource distribution is proposed. It is achieved by fractional Fourier transform (FrFT) angle division multiple access (ADMA), and multiple data streams can be transmitted in the same frequency and time slot. Comparing with conventional time-frequency (TF) resource based orthogonal frequency division multiplexing (OFDM) system, the exponential base at each sub-channel is replaced by a set of chirp bases, which keep mutually approximately orthogonal. Each base station (BS) can support more move stations (MSs) or cell throughput. Simulations show the essential advantages in TFA resource distribution and system spectrum efficiency.

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Li, Jun, Miaowen Wen, Xueqin Jiang, and Wei Duan. "Space-Time Multiple-Mode Orthogonal Frequency Division Multiplexing With Index Modulation." IEEE Access 5 (2017): 23212–22. http://dx.doi.org/10.1109/access.2017.2761845.

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Ismagulova, Zh, and Е. Seidulla. "Analysis of multiple access methods of modern Wi-Fi networks." Q A Iasaýı atyndaǵy Halyqaralyq qazaq-túrіk ýnıversıtetіnіń habarlary (fızıka matematıka ınformatıka serııasy) 24, no. 1 (2023): 116–28. http://dx.doi.org/10.47526/2023-1/2524-0080.11.

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Every year the number of devices connected to a wireless Wi-Fi network increases.This leads to their densification, an increase in barriers between neighboring access points, as well as to the unification of devices belonging to different generations of Wi-Fi technologies in one network. To date, for modern Wi-Fi networks, the issue of increasing bandwidth and ensuring an even distribution of resources between devices in the network is becoming relevant. The article describes ways to increase network bandwidth by increasing the bandwidth and number of antennas, which are one of the solutions to these problems. It is also considered that, in addition to the improvements presented above, an increase in Wi-Fi bandwidth can be achieved through the use of new multiple access methods for Wi-Fi technologies. One of such methods is multiple non-Orthogonal Access (English: Non-Orthogonal Multiple Access, NOMA). With NOMA, one access point can transmit data to several stations simultaneously using one antenna on the same frequency and is carried out by distributing transmission power between streams for different stations. In addition, analyses and comparisons of methods used in wireless networks were carried out: multiple access with time division, multiple access with frequency division, multiple access with orthogonal frequency division, multiple access with spatial distribution.

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Datta, Biswajit, Anupam Karmakar, and Mrinal K. Naskar. "Multiple Access Scheme for Multi-Symbol Encapsulated Orthogonal Frequency Division Multiplexing." International journal of Multimedia & Its Applications 3, no. 4 (2011): 133–42. http://dx.doi.org/10.5121/ijma.2011.3411.

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Srikanth, S., P. Murugesa Pandian, and Xavier Fernando. "Orthogonal frequency division multiple access in WiMAX and LTE: a comparison." IEEE Communications Magazine 50, no. 9 (2012): 153–61. http://dx.doi.org/10.1109/mcom.2012.6295726.

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Wei, Wei, Chonggang Wang, Jianjun Yu, Neda Cvijetic, and Ting Wang. "Optical Orthogonal Frequency Division Multiple Access Networking for the Future Internet." Journal of Optical Communications and Networking 1, no. 2 (2009): A236. http://dx.doi.org/10.1364/jocn.1.00a236.

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Lian, Jie, Yan Gao, Peng Wu, Guolei Zhu, and Yingmin Wang. "Indoor MIMO VLC systems using optical orthogonal frequency division multiple access." Optics Communications 485 (April 2021): 126728. http://dx.doi.org/10.1016/j.optcom.2020.126728.

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Dissertations / Theses on the topic "Orthogonal Frequency Division Multiple Access"

1

Svedman, Patrick. "Multiuser diversity orthogonal frequency division multiple access systems." Licentiate thesis, Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-352.

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Gul, Malik Muhammad Usman. "Timing and frequency synchronization for orthogonal frequency division multiple-access systems." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52328.

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Reliable timing and frequency synchronization is a major requirement in orthogonal frequency division multiple-access (OFDMA) systems as synchronization errors can result in inter-symbol-interference (ISI) and inter-carrier-interference (ICI) in the received signal, which severely degrade system performance. Thus, the objective of the proposed research is to develop, analyze, and prototype timing and frequency synchronization techniques for downlink (DL) and uplink (UL) OFDMA transmissions. For synchronization in DL OFDMA transmissions, we have developed conditions to select appropriate Zadoff-Chu sequences as training symbols that allow timing synchronization in the presence of large carrier frequency offsets (CFO). Using the proposed training block, we have designed training signal detection, timing synchronization, and integer CFO estimation algorithms. We have further proposed the training signal design for frequency synchronization in DL coordinated multi-point (COMP) transmissions, in which a user has to synchronize to multiple base-stations at the same time. In this respect, a frequency synchronization algorithm for DL COMP receiver has been designed using the proposed training signal along with its hardware implementation to analyze real-time performance. For frequency synchronization in UL OFDMA transmissions, we have proposed a null sub-carrier-based CFO estimation algorithm, and carried out its identifiability and acquisition range analysis. The proposed algorithm supports both sub-band and generalized sub-carrier allocations. We have also designed a CFO estimation and compensation algorithm for UL single-carrier frequency division multiple-access (SC-FDMA) transmissions. The proposed algorithm is based on parallel factor analysis and supports interleaved sub-carrier allocation. In addition, it guarantees the identifiability of CFO estimation and allows the system to operate on full load. Detailed simulations results have been provided along with discussions on computational requirements, which reveal that the proposed algorithms provide significant improvements in performance and efficiency compared to state of the art schemes in the literature.

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Ponnaluri, Satya Prakash, and Babak Azimi-Sadjadi. "Quasi-Orthogonal Frequency Division Multiple-Access for Serial Streaming Telemetry." International Foundation for Telemetering, 2012. http://hdl.handle.net/10150/581625.

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ITC/USA 2012 Conference Proceedings / The Forty-Eighth Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2012 / Town and Country Resort & Convention Center, San Diego, California<br>We propose a spectrally-efficient multiple-access technique that is particularly suitable for aeronautical telemetry applications involving serial streaming of data from multiple test articles to a ground station. Unlike conventional frequency-division multiple access, we assign overlapping frequency bands to different users with a minimum carrier separation corresponding to the symbol rate. We utilize multiuser detection strategies at the ground station to separate the transmissions from different test articles. As shown by the simulation results, the proposed scheme is robust to large frequency offsets due to oscillator offsets and Doppler shifts commonly encounters in aeronautical telemetry applications.

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Mody, Apurva Narendra. "Signal Acquisition and Tracking for Fixed Wireless Access Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/7624.

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The general objective of this proposed research is to design and develop signal acquisition and tracking algorithms for multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) systems for fixed wireless access applications. The algorithms are specifically targeted for systems that work in time division multiple access and frequency division multiple access frame modes. In our research, we first develop a comprehensive system model for a MIMO-OFDM system under the influence of the radio frequency (RF) oscillator frequency offset, sampling frequency (SF) offset, RF oscillator phase noise, frequency selective channel impairments and finally the additive white Gaussian noise. We then develop the acquisition and tracking algorithms to estimate and track all these parameters. The acquisition and tracking algorithms are assisted by a preamble consisting of one or more training sequences and pilot symbol matrices. Along with the signal acquisition and tracking algorithms, we also consider design of the MIMO-OFDM preamble and pilot signals that enable the suggested algorithms to work efficiently. Signal acquisition as defined in our research consists of time and RF synchronization, SF offset estimation and correction, phase noise estimation and correction and finally channel estimation. Signal tracking consists of RF, SF, phase noise and channel tracking. Time synchronization, RF oscillator frequency offset, SF oscillator frequency offset, phase noise and channel estimation and tracking are all research topics by themselves. A large number of studies have addressed these issues, but usually individually and for single-input single-output (SISO) OFDM systems. In the proposed research we present a complete suite of signal acquisition and tracking algorithms for MIMO-OFDM systems along with Cramr-Rao bounds for the SISO-OFDM case. In addition, we also derive the Maximum Likelihood (ML) estimates of the parameters for the SISO-OFDM case. Our proposed research is unique from the existing literature in that it presents a complete receiver implementation for MIMO-OFDM systems and accounts for the cumulative effects of all possible acquisition and tracking errors on the bit error rate (BER) performance. The suggested algorithms and the pilot/training schemes may be applied to any MIMO OFDM system and are independent of the space-time coding techniques that are employed.

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Mody, Apurva N. "Signal acquisition and tracking for fixed wireless access multiple input multiple output othogonal frequency division multiplexing." Available online, Georgia Institute of Technology, 2004, 2004. http://etd.gatech.edu/theses/available/etd-11112004-023640/.

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Thesis (Ph. D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2006.<br>Dr. Alfred Andrew, Committee Member ; Dr. Ye (Geofferey) Li, Committee Member ; Dr. Nikil S. Jayant, Committee Member ; Dr. Gordon L. Stuber, Committee Chair ; Dr. Douglas B. Williams, Committee Member Vita. Includes bibliographical references.

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Groenewald, J. T. "Design and analysis of adaptively modulated optical orthogonal frequency division multiple access multiband passive optical networks." Thesis, Bangor University, 2014. https://research.bangor.ac.uk/portal/en/theses/design-and-analysis-of-adaptively-modulated-optical-orthogonal-frequency-division-multiple-access-multiband-passive-optical-networks(c120a96f-595b-4171-8e18-4a510783494b).html.

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Gray, Ryan M. "Identification and Classification of Orthogonal Frequency Division Multiple Access (OFDMA) Signals used in next generation wireless systems." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6804.

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This thesis explores identification and classification of Orthogonal Frequency Division Multiple Access based signals and proposes a scheme to achieve this goal. Specifically, the cyclostationary pilot signature of an IEEE 802.16e standard compliant waveform is investigated. The proposed scheme performs waveform identification through a preamble cross-correlation technique. Classification is achieved through the use of a pilot cross-correlation technique in combination with an algorithm called the fast Fourier transform accumulation method that performs cyclostationary feature extraction in order to determine the cyclic prefix of the IEEE 802.16e waveform. Similar methods are then used for determining other OFDMA waveform parameters, such as the FFT size, Segment number and IDcell. The proposed scheme is implemented with MATLAB simulation code and the significant results of the simulation are presented and discussed. The MATLAB simulation validated the preamble cross-correlation process and the pilot cross-correlation technique in conjunction with the fast Fourier transform accumulation method as effective methods of signal identification and classification, respectively.

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Tureli, Didem Kivanc. "Resource allocation for multicarrier communications /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/6068.

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Kong, Zhen, and 孔振. "Design and analysis of cooperative and non-cooperative resource management algorithms in high performance wireless systems." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40687387.

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Kong, Zhen. "Design and analysis of cooperative and non-cooperative resource management algorithms in high performance wireless systems." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40687387.

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Books on the topic "Orthogonal Frequency Division Multiple Access"

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Jiang, Tao, 1970 Jan. 8-, Song Lingyang, and Zhang Yan 1977-, eds. Orthogonal frequency division multiple access fundamentals and applications. Auerbach, 2010.

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Jiang, Tao, Yan Zhang, and Lingyang Song. Orthogonal frequency division multiple access fundamentals and applications. Auerbach, 2010.

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3

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

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1952-, Hanzo Lajos, ed. OFDM and MC-CDMA for broadband multi-user communications, WLANs, and broadcasting. IEEE Press, 2003.

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OFDM towards fixed and mobile broadband wireless access. Artech House, 2007.

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1970-, Holma Harri, and Toskala Antti, eds. LTE for UMTS-OFDMA and SC-FDMA based radio access. Wiley, 2009.

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Jiang, Tao, Yan Zhang, and Lingyang Song. Orthogonal Frequency Division Multiple Access Fundamentals and Applications. Taylor & Francis Group, 2019.

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Jiang, Tao, Yan Zhang, and Lingyang Song. Orthogonal Frequency Division Multiple Access Fundamentals and Applications. Taylor & Francis Group, 2010.

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Jiang, Tao, Yan Zhang, and Lingyang Song. Orthogonal Frequency Division Multiple Access Fundamentals and Applications. Auerbach Publishers, Incorporated, 2010.

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Jiang, Tao, Yan Zhang, and Lingyang Song. Orthogonal Frequency Division Multiple Access Fundamentals and Applications. Auerbach Publishers, Incorporated, 2010.

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Book chapters on the topic "Orthogonal Frequency Division Multiple Access"

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Faruque, Saleh. "Orthogonal Frequency Division Multiple Access (OFDMA)." In Radio Frequency Multiple Access Techniques Made Easy. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91651-4_6.

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Ancora, Andrea, Issam Toufik, Andreas Bury, and Dirk Slock. "Orthogonal Frequency Division Multiple Access (OFDMA)." In LTE - The UMTS Long Term Evolution. John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9780470978504.ch5.

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Sari, Hikmet. "Orthogonal Frequency-Division Multiple Access with Frequency Hopping and Diversity." In Multi-Carrier Spread-Spectrum. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6231-3_7.

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Chen, Jui-Chi, and Wen-Shyen E. Chen. "Efficient Performance Management of Subcarrier-Allocation Systems in Orthogonal Frequency-Division Multiple Access Networks." In Management of Convergence Networks and Services. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11876601_42.

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Gagliardi, Robert M. "Frequency-Division Multiple Access." In Satellite Communications. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-010-9760-4_5.

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Weik, Martin H. "frequency-division multiple access." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_7631.

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Faruque, Saleh. "Frequency Division Multiple Access (FDMA)." In Radio Frequency Multiple Access Techniques Made Easy. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91651-4_3.

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Das, Suvra Sekhar, and Ramjee Prasad. "Nonorthogonal Multiple Access with OTFS." In Orthogonal Time Frequency Space Modulation. River Publishers, 2022. http://dx.doi.org/10.1201/9781003339021-7.

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Borth, David E., Phillip D. Rasky, Greg M. Chiasson, and James F. Kepler. "Frequency Hopped Systems for PCS." In Code Division Multiple Access Communications. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2251-5_11.

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Faruque, Saleh. "Time Division Multiple Access (TDMA)." In Radio Frequency Multiple Access Techniques Made Easy. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91651-4_4.

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Conference papers on the topic "Orthogonal Frequency Division Multiple Access"

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Xu, Tongyang, and Izzat Darwazeh. "Non-Orthogonal Frequency Division Multiple Access." In 2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring). IEEE, 2020. http://dx.doi.org/10.1109/vtc2020-spring48590.2020.9128663.

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Kim, Hee Wook, Tae Chul Hong, Kunseok Kang, Sooyoung Kim, Sungmoon Yeo, and Bon-Jun Ku. "Applicability of Orthogonal Frequency Division Multiple Access in Satellite Communication." In 2011 IEEE Vehicular Technology Conference (VTC 2011-Spring). IEEE, 2011. http://dx.doi.org/10.1109/vetecs.2011.5956794.

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Gray, Ryan, Murali Tummala, John McEachen, James Scrofani, and David Garren. "Identification and classification of Orthogonal Frequency Division Multiple Access signals." In 2012 6th International Conference on Signal Processing and Communication Systems (ICSPCS 2012). IEEE, 2012. http://dx.doi.org/10.1109/icspcs.2012.6507969.

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Noor, Nur Shazwani Mohd, Norliziani Zamuri, Razali Ngah, and Teguh Prakoso. "Multiple input multiple output orthogonal frequency division multiplexing based photonic access point." In 2012 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE). IEEE, 2012. http://dx.doi.org/10.1109/apace.2012.6457636.

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Wei, Wei, Junqiang Hu, Lane Zeng, Dayou Qian, and Ting Wang. "Optical Orthogonal Frequency Division Multiple Access (OFDMA)-based Optical Access/Metro Ring Networks." In 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers. IEEE, 2008. http://dx.doi.org/10.1109/ofc.2008.4528162.

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Dai, Linglong, Jian Fu, Jun Wang, Jian Song, and Zhixing Yang. "A Novel Time Domain Synchronous Orthogonal Frequency Division Multiple Access Scheme." In GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference. IEEE, 2009. http://dx.doi.org/10.1109/glocom.2009.5426256.

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Tokel, Turgut Baris, and Defne Aktas. "Base station cooperation in orthogonal frequency division multiple access (OFDMA) systems." In 2009 IEEE 17th Signal Processing and Communications Applications Conference (SIU). IEEE, 2009. http://dx.doi.org/10.1109/siu.2009.5136397.

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Srikanth, S., and P. A. Murugesa Pandian. "Orthogonal frequency division multiple access in WiMAX and LTE — A comparison." In 2010 National Conference On Communications (NCC). IEEE, 2010. http://dx.doi.org/10.1109/ncc.2010.5430233.

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Baik, Jung-In, Jee-Hoon Kim, Jin-Hyuk Song, Yu-Jin Song, and Hyoung-Kyu Song. "A new cooperative communication for orthogonal frequency and code division multiple access." In 2009 Australasian Telecommunication Networks and Applications Conference (ATNAC 2009). IEEE, 2009. http://dx.doi.org/10.1109/atnac.2009.5464961.

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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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Reports on the topic "Orthogonal Frequency Division Multiple Access"

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Tarr, J. A., J. E. Wieselthier, and A. Ephremides. Packet-Error Probability Analysis for Unslotted FH-CDMA (Frequency Hopped-Code-Division Multiple-Access) Systems with Error Control Coding. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada207964.

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