Relevant bibliographies by topics / Rotated Constellation

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

Academic literature on the topic 'Rotated Constellation'

Author: Grafiati
Published: 3 June 2025
Last updated: 22 June 2025

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Journal articles on the topic "Rotated Constellation"

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Pérez-Calderón, D., V. Baena-Lecuyer, A. C. Oria, P. López, and J. G. Doblado. "Rotated constellation demapper for DVB-T2." Electronics Letters 47, no. 1 (2011): 31. http://dx.doi.org/10.1049/el.2010.2682.

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Kadhim, Abeer A., Samir J. Mohammed, and Qais Al-Gayem. "Digital Video Broadcasting T2 Lite Performance Evaluation Based on Rotated Constellation Rates." Journal of Internet Services and Information Security 13, no. 4 (2023): 127–37. http://dx.doi.org/10.58346/jisis.2023.i4.009.

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DVB-T2 offers the best levels of efficiency, reliability, and flexibility of any digital terrestrial broadcast technology now available. It provides the most up-to-date coding and modulation techniques to make the valuable terrestrial spectrum extremely effectively usable for many types of transmission. The mobile configuration of DVBT2 also known as T2-Lite, employs a constrained set of possible modes that are suited for movable transmission and reduce the demands placed on the receiver. This study compares the T2-Lite system's performance before and after using constellation rotation and cyclic Quadrature (Q) delay methods among different types of constellations, coding rates, and fading channels. Results show a significant improvement in T2-Lite system performance while using a rotating constellation in a bad fading environment. Moreover, the utilization of this technique enhances DVB-T2 Lite gain. All simulation of system components and channels were carried out in MATLAB R2021a software.
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Hong, Sungwon, Eun Su Kang, and Dong Seog Han. "Additional data transmission with rotated QPSK constellation." Electronics Letters 51, no. 5 (2015): 394–95. http://dx.doi.org/10.1049/el.2014.4488.

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Perez-Calderon, D., V. Baena-Lecuyer, A. C. Oria, P. Lopez, and J. G. Doblado. "Simplified Rotated Constellation Demapper for Second Generation Terrestrial Digital Video Broadcasting." IEEE Transactions on Broadcasting 59, no. 1 (2013): 160–67. http://dx.doi.org/10.1109/tbc.2012.2226805.

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Murtala, Sheriff, Tasnim Holoubi, Nishal Muchena, Manar Mohaisen, and Kang-Sun Choi. "On the Performance of the Multiple Active Antenna Spatial Modulation with 3-Dimensional Constellation." Applied Sciences 10, no. 11 (2020): 3718. http://dx.doi.org/10.3390/app10113718.

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In spatial modulation (SM), a single signal symbol is transmitted from a given physical antenna, where both the signal symbol and the antenna index carry information. SM with multiple active antennas (MA-SM) transmits several signal symbols from a combination of antennas at each channel use, thereby increasing the spectral efficiency. MA-SM is proposed in combination with a new 3-dimensional constellation, where signal symbols transmitted from a given antenna combination are rotated before transmission. In this paper, we derived an upper-bound on the error probability of the MA-SM as a function of the rotation angles. The search for the optimal rotation angles is modeled as a multi-objective optimization problem. We concluded based on both analytical and simulation results that the 3-dimensional constellation with the optimal angles achieved negligible improvement. Therefore, we do not recommend using the 3-dimensional constellation with the MA-SM system.
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Lee, Ki-Hun, Jeong Seon Yeom, Jingon Joung, and Bang Chul Jung. "Performance Analysis of Uplink NOMA With Constellation–Rotated STLC for IoT Networks." IEEE Open Journal of the Communications Society 3 (2022): 705–17. http://dx.doi.org/10.1109/ojcoms.2022.3164876.

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Han, Chenggao, Takeshi Hashimoto, and Naoki Suehiro. "Constellation-rotated vector OFDM and its performance analysis over rayleigh fading channels." IEEE Transactions on Communications 58, no. 3 (2010): 828–38. http://dx.doi.org/10.1109/tcomm.2010.03.080291.

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Choi, Jeonghoon, Jubum Kim, Joon Ho Cho, and James S. Lehnert. "Widely-Linear Nyquist Criteria for DFT-Spread OFDM of Constellation-Rotated PAM Symbols." IEEE Transactions on Communications 69, no. 5 (2021): 2909–22. http://dx.doi.org/10.1109/tcomm.2021.3056106.

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Grönroos, Stefan, Kristian Nybom, and Jerker Björkqvist. "Implementation and performance analysis of DVB-T2 rotated constellation demappers on a GPU." Analog Integrated Circuits and Signal Processing 78, no. 3 (2013): 589–98. http://dx.doi.org/10.1007/s10470-013-0101-3.

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BERRAHMA, Fadila, Khalida GHANEM, and Hicham BOUSBIA-SALAH. "A Survey on Spatial Modulation OFDM: Optimal Detection and Performance Analysis." ENP Engineering Science Journal 3, no. 2 (2023): 63–70. http://dx.doi.org/10.53907/enpesj.v3i2.214.

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Spatial modulation is a novel modulation scheme that aims to acquire a trade-off between the two adverse purposes in wireless communications, namely the improvements of data rate and data reliability, by adjusting the operational transmit antenna index in the emitted bits. To fight against inter-symbol interference (ISI) present in frequency selective channels, orthogonal frequency division multiplexing (OFDM) as become a extensively accepted and used mechanism. We investigate in this work the performance of SM-OFDM modulation over frequency selective MIMO channel using quadrature amplitude modulation (QAM) scheme. At the receiver side, a group of detectors is proposed to recover the active transmit antenna index (Tx-antenna) and the emitted data sequence. In this paper, a new SM-OFDM-based scheme is proposed, which adds another element of information in the transmitted SM-data block consisting of a chosen constellation among the available rotated set. To attain this, an additional index is used to select the specific constellation. At the receiver, a set of detectors is proposed to jointly estimate the transmitted symbol, as well as the used constellation and the active transmit antenna indices. The comparison of the performance of this new scheme against the conventional SM-OFDM shows an increased spectral efficiency at the price of a slight degradation in bit error rate. The proposed scheme permits a trade-off between the quality of the communication and the achieved spectral efficiency. Some concluding remarks are drawn over simulation results.
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Dissertations / Theses on the topic "Rotated Constellation"

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Arbi, Tarak. "Les constellations tournées pour les réseaux sans fil et l'internet des objets sous-marins." Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAE002.

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La croissance exponentielle du nombre d’objets communicants et la demande accrue pour les services sans fil d’une part, et le besoin de réduire le coût énergétique des communications radio et les émissions associées de gaz à effet de serre, rendent les techniques qui sont efficaces à la fois en terme de ressources spectrales et en terme de ressources énergétiques, comme les constellations tournées, particulièrement intéressantes. En effet, les constellations tournées donnent de meilleures performances théoriques que les constellations conventionnelles sur les canaux à évanouissements grâce à un ordre de diversité implicite.Néanmoins, plusieurs problèmes liés au déploiement de cette technique constituent un frein pour une adoption plus large de cette modulation dans la pratique. Pour cela, dans cette thèse, nous proposons plusieurs solutions originales pour faire face à ces limitations.Tout d’abord, nous avons étudié les propriétés structurelles des constellations M-QAM tournées avec une série particulière d’angles de rotation α=arctan⁡(1/√M) afin de mettre en œuvre une méthode de détection de faible complexité pour les canaux à évanouissements avec ou sans effacements.Ensuite, nous avons proposé deux techniques distinctes et originales pour la réduction du PAPR pour les systèmes OFDM utilisant les constellations tournées ; d’abord, une technique SLM aveugle est proposée pour laquelle deux angles de rotation sont sélectionnés de façon à optimiser conjointement le taux d’erreur binaire des constellations et les performances théoriques de décodage aveugle. De surcroît, une technique d’entrelacement aveugle est proposée. Afin de réduire la complexité de décodage aveugle pour cette technique, nous nous basons à nouveau sur les propriétés des constellations M-QAM tournées avec α=arctan⁡(1/√M), pour concevoir un estimateur à faible complexité.Enfin, nous avons proposé un estimateur original de synchronisation de phase par lissage à faible complexité inspiré de l’approche Maximum a Posteriori (MAP). Cet estimateur permet d’estimer le décalage de phase variable aléatoirement dans le temps, à travers deux boucles d’aller-retour. L’estimateur proposé prend en compte de façon inhérente les caractéristiques des constellations tournées, contrairement aux estimateurs conventionnels, ce qui lui permet d’approcher la borne de Cramèr-Rao que nous avons développée<br>The exponential growth of the number of communicating objects and the rising demand for wireless services on the one hand, and the need to reduce the energy cost of radio communications with the associated greenhouse gas emissions on the other side, make bandwidth-power efficient techniques, such as rotated constellations, particularly interesting. Indeed, rotated constellations allow better theoretical performance than conventional constellations over fading channels thanks to an inherent Signal Space Diversity (SSD).Nevertheless, several issues prevent wider deployment of this technique. Therefore, in this PhD thesis, we propose several original solutions to face these limitations.First, we study the structural properties of M-QAM constellations rotated with a series of rotation angles α=arctan⁡(1/√M) , so as to propose a low-complexity detection technique for fading channels with or without erasures.Then, we propose two distinct and original techniques to reduce the PAPR of OFDM systems with SSD; first, a blind SLM technique is proposed for which two rotation angles are selected so as to jointly optimize the theoretical bit error rate of the constellations and the theoretical blind decoding performance. In addition, a completely blind interleaving technique is proposed. In order to reduce the blind decoding complexity for this second technique, we rely again on the properties of the M-QAM constellations rotated with α=arctan⁡(1/√M) , to design a low-complexity estimator.Finally, we propose an original phase estimator for rotated constellations based on a low-complexity smoothing approach inspired by the Maximum a Posteriori (MAP) principle. This estimator operates off-line and allows the estimation of randomly time-variable phase shifts through two phase-locked loops. The proposed estimator inherently takes into account the characteristics of rotated constellations, in contrast with conventional estimators, which allows to approach the Cramèr-Rao bound
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Book chapters on the topic "Rotated Constellation"

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Alqam, Muna, and Samir Al-Busaidi. "Controlling Robot Through Satellite: Telesurgery or Remote Surgery." In Springer Proceedings in Physics. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3276-3_19.

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Abstract Remote surgery is a promising medical technology that has the potential to revolutionize healthcare with the potential to provide life-saving care to patients in remote areas. However, one of the challenges facing this technology is the time delay associated with data transmission over conventional network infrastructures which makes it difficult to perform delicate procedures. CubeSats are a type of small satellite that can be used to overcome this challenge. CubeSats can be used to reduce the time delay by providing a low-cost, high-bandwidth communication link between the surgeon and the patient. In this report, we present the design and simulation using General Mission Analysis Tool (GMAT) software of a CubeSat constellation for 7 h remote surgery connecting two hospitals, Sultan Qaboos University Hospital (SQUH) in Sultanate of Oman and OSF children hospital in Illinois USA. We discuss the orbital design of the constellation to ensure that the satellites are always in view of both hospitals. The constellation must be designed to provide continuous coverage of the two hospitals, even as Earth rotates, as well as the challenges and solutions associated with this application.
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Conference papers on the topic "Rotated Constellation"

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Han, Chenggao, and Takeshi Hashimoto. "Coded constellation rotated vector OFDM with almost linear interleaver." In 2016 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2016. http://dx.doi.org/10.1109/wcnc.2016.7564953.

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Ahci, Mustafa, and Mehmet Safak. "The effects of rotated constellation techniques in DVB systems." In 2010 IEEE 18th Signal Processing and Communications Applications Conference (SIU). IEEE, 2010. http://dx.doi.org/10.1109/siu.2010.5652868.

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Lopes, Waslon Terllizzie Araújo, and Marcelo Sampaio de Alencar. "Space-Time Coding Performance Improvement Using a Rotated Constellation." In XVIII Simpósio Brasileiro de Telecomunicações. Sociedade Brasileira de Telecomunicações, 2000. http://dx.doi.org/10.14209/sbrt.2000.4070006.

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Agani, Daniel, Anne-Carole Honfoga, and Patrick Sotindjo. "Optimal M-QAM rotated constellation angle in DVB-T2." In 2022 5th International Conference on Advanced Communication Technologies and Networking (CommNet). IEEE, 2022. http://dx.doi.org/10.1109/commnet56067.2022.9993827.

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Tom, Anna Elizabeth, and B. Sundar Rajan. "Index Coded PSK Modulation with Rotated Constellation for Prioritized Receivers." In 2022 IEEE 95th Vehicular Technology Conference (VTC2022-Spring). IEEE, 2022. http://dx.doi.org/10.1109/vtc2022-spring54318.2022.9860774.

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Jeon, Sungho, Ilsoo Kyung, and Man-Sik Kim. "Component-Interleaved Receive MRC with Rotated Constellation for Signal Space Diversity." In 2009 IEEE Vehicular Technology Conference (VTC 2009-Fall). IEEE, 2009. http://dx.doi.org/10.1109/vetecf.2009.5379002.

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Hong, SeokJoon, Jin-Yong Choi, Soon Up Hwang, Sungho Jeon, and Jong-Soo Seo. "Spatial diversity technique combined with rotated constellation for MIMO-OFDM systems." In 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC 2009). IEEE, 2009. http://dx.doi.org/10.1109/pimrc.2009.5450227.

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Han, Chenggao, and Takeshi Hashimoto. "Performance analysis of constellation rotated vector OFDM over fast fading channel." In 2012 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2012. http://dx.doi.org/10.1109/wcnc.2012.6214517.

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Ng, Benjamin K., and Chan Tong Lam. "On maximizing the performance of SC-FDMA systems with rotated constellation." In 2013 9th International Wireless Communications and Mobile Computing Conference (IWCMC 2013). IEEE, 2013. http://dx.doi.org/10.1109/iwcmc.2013.6583812.

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Suwansukho, Nattapan, and Sathaporn Promwong. "Evaluation of Rotated Constellation in DVB-T2 Based on Measurement Data." In 2019 5th International conference on Engineering, Applied Sciences and Technology (ICEAST). IEEE, 2019. http://dx.doi.org/10.1109/iceast.2019.8802572.

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