Relevant bibliographies by topics / Sub-carrier signal

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Sub-carrier signal'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Sub-carrier signal"

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S., Shanmugasundaram. "Sub Carrier Analysis for QAM Modulation." Bulletin of Electrical Engineering and Informatics 6, no. 4 (2017): 354–57. https://doi.org/10.11591/eei.v6i4.866.

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Orthogonal Frequency Division Multiplexing (OFDM) based wireless data transmission system is a multi-carrier system in which single higher rate data stream can be divided into multiple lower rate data streams. Modulation and De-Modulation technique play a major role in OFDM based data transmission system. Based on Modulation technique only, the frequency transformation method and encoding and decoding methods are enabled. Effective modulation techniques called as “Quadrature Amplitude Modulation (QAM)”modulation are used to design an OFDM System. Carrier signal is one of the import
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Shanmugasundaram, S. "Sub Carrier Analysis for QAM Modulation." Bulletin of Electrical Engineering and Informatics 6, no. 4 (2017): 354–57. http://dx.doi.org/10.11591/eei.v6i4.866.

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Orthogonal Frequency Division Multiplexing (OFDM) based wireless data transmission system is a multi-carrier system in which single higher rate data stream can be divided into multiple lower rate data streams. Modulation and De-Modulation technique play a major role in OFDM based data transmission system. Based on Modulation technique only, the frequency transformation method and encoding and decoding methods are enabled. Effective modulation techniques called as “Quadrature Amplitude Modulation (QAM)” modulation are used to design an OFDM System. Carrier signal is one of the important signals
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Chen, Xiaofei, Xiaochun Lu, Xue Wang, Jing Ke, and Xia Guo. "Constant Envelope Multiplexing of Multi-Carrier DSSS Signals Considering Sub-Carrier Frequency Constraint." Electronics 10, no. 2 (2021): 211. http://dx.doi.org/10.3390/electronics10020211.

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With the development of global navigation satellite systems (GNSS), multiple signals modulated on different sub-carriers are needed to provide various services and to ensure compatibility with previous signals. As an effective method to provide diversified signals without introducing the nonlinear distortion of High Power Amplifier (HPA), the multi-carrier constant envelope multiplexing is widely used in satellite navigation systems. However, the previous method does not consider the influence of sub-carrier frequency constraint on the multiplexing signal, which may lead to signal power leakag
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Chen, Siyu, Hang Sun, Min Weng, Shijie Wen, Le Li, and Bingqing Liu. "Design and Research of Channel Circuit Based on Broadband Power Line Carrier." Journal of Physics: Conference Series 2433, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1742-6596/2433/1/012017.

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Abstract In order to effectively improve the anti-attenuation, anti-noise and anti-impedance change capabilities of the low-voltage narrowband power line carrier communication unit, reduce the carrier signal coupling attenuation, and highly fidelity signal power encoded and modulated by the carrier chip, an improved high-speed power line carrier communication transceiver circuit is designed. Using 303.13kHz~357.81kHz as sub-carrier signal frequency can effectively avoid the random noise generated by high-power power electronic equipment and household appliances below 35kHz. At the same time, t
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Cao, Xiaomao, Hong Ma, Hua Zhang, and Jiang Jin. "Virtual Array-Based Signal Detection and Carrier Frequency Offset Estimation in a Multistatic Collaborative Passive Detection System." Remote Sensing 16, no. 17 (2024): 3152. http://dx.doi.org/10.3390/rs16173152.

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To tackle the problem of difficult signal detection and carrier frequency synchronization faced by wireless communication among stations of the multistatic passive detection system in interference environments, an adaptive signal detection and carrier frequency offset (CFO) estimation method based on a virtual array is proposed in this paper. This is a data-aided method that utilizes a training sequence composed of three segments of sub-training sequences with different symbols. This method first uses spatial spectrum estimation to obtain the coarse frequency estimations of interference signal
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Oteng-Amoako, Kingsley, and Saeid Nooshabadi. "Adaptive Turbo-Coded Hybrid-ARQ in OFDM Systems over Gaussian and Fading Channels." Journal of Communications Software and Systems 2, no. 1 (2017): 3. http://dx.doi.org/10.24138/jcomss.v2i1.300.

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In this paper, an analytical approach for spectral efficiency maximization of coded wideband transmissions is presented based on OFDM. The approach exploits Type-III Hybrid-ARQ, enabling all sub-carriers to be employed in codeword transmission regardless of the sub-carrier conditions.The effects of imperfect sub-channel estimation are characterized and compensated for during code rate and signal constellation optimization. The results of the paper highlight that by independently adapting the code rate and signal constellation to individual OFDM sub-carriers based on an estimated sub-carrier CS
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Wang, Xiangqing, Lei Ren, Xiaokun Yang, and Dongfei Wang. "A Scheme for Generating Millimeter Wave Signals through 32-Tupling Frequency Multiplication without Filtering Using Eight Mach-Zehnder Modulators." Mathematics 12, no. 17 (2024): 2781. http://dx.doi.org/10.3390/math12172781.

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In this paper, a filterless 32-tupling millimeter wave generation scheme based on eight MZMs is proposed. The system has an upper and lower parallel two-branch structure. The upper branch consists of two subsystems Sub-A and Sub-B in cascade, each subsystem contains four MZMs, and the MZMs are all operating at maximum transfer point (MATP). Sub-A mainly generates ±8th order optical sideband signal as the incident light signal of Sub-B. After modulation of Sub−B, the output signal is mainly ±16th order optical sideband signal containing the central optical carrier component. The optical attenua
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Ren, Lu-Lu, Hao Dong, Ting-Ting Han, Yun Chen, and Shou-Nian Ding. "Enhanced anodic electrochemiluminescence of CdTe quantum dots based on electrocatalytic oxidation of a co-reactant by dendrimer-encapsulated Pt nanoparticles and its application for sandwiched immunoassays." Analyst 142, no. 20 (2017): 3934–41. http://dx.doi.org/10.1039/c7an01231d.

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Yin, Jing, Yan Zhao, Feng Yang, Dengcai Yang, and Yunxin Wang. "Generation of a Fundamental/Doubled Frequency Phase-Coded Microwave Signal Based on Polarization Multiplexed Technology." Photonics 10, no. 3 (2023): 293. http://dx.doi.org/10.3390/photonics10030293.

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Microwave photonic phase-shifting technology can be used to generate high-frequency, broadband, and tunable phase-coded microwave signals, which are helpful in solving the contradiction between the detection range and the range resolution in radar systems. A method for generating a reconfigurable carrier phase-coded signal of a fundamental or doubled carrier frequency, based on polarization multiplexed technology, is proposed and verified by the experiments in this paper. A dual-parallel dual-polarization Mach–Zehnder modulator (DP-DPMZM) and a polarization-dependent phase modulator (PD-PM) we
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Mahmood, Nasir, Muhammad Khalil Shahid, and Ali Saeed. "A Comparative analysis of OFDM based Communication using different Mapping Schemes for Signal Modulation." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 12, no. 10 (2014): 3952–61. http://dx.doi.org/10.24297/ijct.v12i10.2982.

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OFDM is a multiplexing technique that is used to divide a frequency spectrum into sub-carriers that are orthogonal to each other. They are capable to carry high rate data transmission. The orthogonality is maintained by keeping one sub carrier, null on the centre of other sub carriers. Sub-carriers have cyclic prefix which is placed in between them and the bandwidth wastage due to guard band is reduced up to 50%. Spectral efficiency is of OFDM is far better than other frequency modulation techniques due to othrognality. Additionally, CP design helps in better diversity gain. The data is disp
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Dissertations / Theses on the topic "Sub-carrier signal"

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Venkataraman, Sunitha. "Systematic Analysis of the Small-Signal and Broadband Noise Performance of Highly Scaled Silicon-Based Field-Effect Transistors." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/16232.

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The objective of this work is to provide a comprehensive analysis of the small-signal and broadband noise performance of highly scaled silicon-based field-effect transistors (FETs), and develop high-frequency noise models for robust radio frequency (RF) circuit design. An analytical RF noise model is developed and implemented for scaled Si-CMOS devices, using a direct extraction procedure based on the linear two-port noise theory. This research also focuses on investigating the applicability of modern CMOS technologies for extreme environment electronics. A thorough analysis of the DC, small-
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Fang, Ruei, and 方睿. "Novel Sub-Nyquist Receiver and PAPR reduction in Single Carrier FDMA PON Systems Digital Signal Processing Technologies." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/6mcfsy.

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碩士<br>國立交通大學<br>影像與生醫光電研究所<br>106<br>With the rapid development of modem technology. The requirements of transmission are asked better such as signal quality and data rate. In order to cope with huge data transmission, communication system needs to be updated about its technology and application level, including processing complexity , the cost of data reception, latency and data rate. In Passive Optical Networking the bandwidth are used together for transmission from Optical-Line-Terminal to Optical Network Unit. However, in multi user system receiver needs a high speed sampling rate analog-t
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Book chapters on the topic "Sub-carrier signal"

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Kaur, Inderjeet. "Frequency Domain Equalization and Adaptive OFDM vs. Single Carrier Modulation." In Innovations in Mobile Multimedia Communications and Applications. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-563-6.ch009.

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In the present article an attempt is made to compare multi-carrier and single carrier modulation schemes for wireless communication systems with the utilization of fast Fourier transform (FFT) and its inverse in both cases. With the assumption that in OFDM (orthogonal frequency division multiplexing), the inverse FFT transforms the complex amplitudes of the individual sub-carriers at the transmitter into time domain, the inverse operation is carried out at the receiver. In case of single carrier modulation, the FFT and its inverse are used at the input and output of the frequency domain equali
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Rohling, Hermann. "OFDM Transmission Technique." In Mobile Computing. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-054-7.ch260.

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The orthogonal frequency division multiplexing (OFDM) transmission technique can efficiently deal with multi-path propagation effects especially in broadband radio channels. It also has a high degree of system flexibility in multiple access schemes by combining the conventional TDMA; FDMA; and CDMA approaches with the OFDM modulation procedure; which is especially important in the uplink of a multi-user system. In OFDM-FDMA schemes carrier synchronization and the resulting sub-carrier orthogonality plays an important role to avoid any multiple access interferences (MAI) in the base station rec
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Gupta, Naveen, Vivek Ashok Bohara, and Vibhutesh Kumar Singh. "Design and Measurement Results for Cooperative Device to Device Communication." In Advances in Wireless Technologies and Telecommunication. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2023-8.ch004.

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In this chapter, the authors present the simulation and measurement results for direct and single hop device-to-device (D2D) communication protocols. The measurement results will further argument the development of D2D communication and will also help in understanding some of the intricate design issues which were overlooked during theoretical or computer simulations. The measurements were taken on a proof-of-concept experimental testbed by emulating a cellular scenario in which a Base station (BS) and many D2D enabled devices coordinate and communicate with each other to select an optimum com
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Krawinkel, Thomas, and Steffen Schön. "On the Limits of State-of-the-Art GNSS Receivers in Frequency Transfer." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/1345_2022_145.

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AbstractGNSS frequency transfer (FT) based on precise point positioning delivers instability values down to sub-10−16 between two modern receivers. In the present study we investigate the technical limits such receivers impose on FT by means of a dedicated experiment at Germany’s national metrology institute (PTB). For this purpose, four geodetic receivers, two of the same type each, were all connected to one single antenna and fed by the highly stable UTC (PTB) frequency signal. Since all error sources affecting the satellite signals are the same for all receivers, they cancel out when formin
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Conference papers on the topic "Sub-carrier signal"

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Hou, Yu, Fang Liu, and Ruiqiang Wang. "Index Modulation Technique Based on Variable Sub-carrier Number." In 2024 2nd International Conference on Signal Processing and Intelligent Computing (SPIC). IEEE, 2024. http://dx.doi.org/10.1109/spic62469.2024.10691546.

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Gul, Malik Muhammad Usman, Sungeun Lee, and Xiaoli Ma. "Null sub-carrier based carrier frequency offset estimation for OFDMA uplink systems." In 2011 Digital Signal Processing and Signal Processing Education Meeting (DSP/SPE). IEEE, 2011. http://dx.doi.org/10.1109/dsp-spe.2011.5739183.

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Islam, Toufiqul, Robert Schober, Ranjan K. Mallik, and Vijay K. Bhargava. "Cooperative BICM-OFDM: Sub-carrier and power allocation." In 2010 International Conference on Signal Processing and Communications (SPCOM). IEEE, 2010. http://dx.doi.org/10.1109/spcom.2010.5560467.

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Bochkati, Mohamed, Ece Kayacilar, Muhammad S. Hameed, Markel Arizabaleta-Diez, and Thomas Pany. "Maximum Tolerable Multipath for Successful Meta-Signal Sub-Carrier Ambiguity Fixing." In ENC 2024. MDPI, 2025. https://doi.org/10.3390/engproc2025088003.

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Chang, Wen-Thong, and Chi-Wei Chang. "Computationally Efficient Algorithm For Sub-carrier, Bit, and Power Allocation." In 2006 International Symposium on Intelligent Signal Processing and Communications. IEEE, 2006. http://dx.doi.org/10.1109/ispacs.2006.364739.

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Bicais, Simon, Jean-Baptiste Dore, Gregory Gougeon, and Yoann Corre. "Optimized Single Carrier Transceiver for Future Sub-TeraHertz Applications." In ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2020. http://dx.doi.org/10.1109/icassp40776.2020.9052917.

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Kumar, A. Anil, Sirajudeen Gulam Razul, and Chong-Meng Samson See. "Carrier frequency and direction of arrival estimation with nested sub-nyquist sensor array receiver." In 2015 23rd European Signal Processing Conference (EUSIPCO). IEEE, 2015. http://dx.doi.org/10.1109/eusipco.2015.7362567.

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Shukla, Abhishek Mani, Maneesh K. Singh, and Vinod Kapoor. "Performance of FSO system using PPM and MSK sub-carrier intensity modulation scheme." In 2017 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET). IEEE, 2017. http://dx.doi.org/10.1109/wispnet.2017.8300205.

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Xu, Weiliang, Min Zhu, Jiao Zhang, Guo Zhao, and Zhitian Cheng. "Photonics-aided 0.3-THz wireless transmission based on digital sub-carrier multiplexing." In 2021 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing, edited by Jian Chen, Fabien Bretenaker, Shilong Pan, Yi Dong, and Yang Qiu. SPIE, 2022. http://dx.doi.org/10.1117/12.2619891.

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Mishra, Shashwat, and Amritanshu Pandey. "Hybrid peak-to-average power ratio reduction technique for sub-carrier index modulated OFDM." In 2017 International Conference on Signal Processing and Communication (ICSPC). IEEE, 2017. http://dx.doi.org/10.1109/cspc.2017.8305820.

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