Academic literature on the topic 'Maximal-Ratio Combiner'

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Journal articles on the topic "Maximal-Ratio Combiner"

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Sagias, Nikos C., Anthony C. Boucouvalas, Kostas Yiannopoulos, Murat Uysal, and Zabih Ghassemlooy. "Optimal Combiners in Pre-Amplified Optical Wireless Systems under Medium-to-Strong Atmospheric Turbulence." Image Processing & Communications 21, no. 1 (2016): 25–34. http://dx.doi.org/10.1515/ipc-2016-0002.

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Abstract In this work we analytically investigate optimal combiners for pre-amplified diversity receivers that operate under medium-to-strong atmospheric turbulence. We first demonstrate that the combiner performance is strongly affected by the existence of a signal-amplified spontaneous emission beat noise at the output of the photodetector. Due to the signal-dependent nature of noise, the optimal combiner can be classified as a hybrid one, of which performance is between the well-known equal-gain and maximal-ratio combiner architectures. Having established the optimal design, we further asse
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El-Mahdy, Ahmed El-Sayed. "EM-Based Optimal Maximal Ratio Diversity Combiner for Constant Envelope Signals." Open Signal Processing Journal 2, no. 1 (2009): 1–6. http://dx.doi.org/10.2174/1876825300902010001.

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Milišić, Mirza, Mirza Hamza, and Mesud Hadžialić. "BEP/SEP and Outage Performance Analysis of -Branch Maximal-Ratio Combiner for Fading." International Journal of Digital Multimedia Broadcasting 2009 (2009): 1–8. http://dx.doi.org/10.1155/2009/573404.

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Maximal-ratio combiner (MRC) performances in fading channels have been of interest for a long time, which can be seen by a number of papers concerning this topic. In this paper we treat bit error probability (BEP), symbol error probability (SEP) and outage probability of MRC in presence of fading. We will present fading model, probability density function (PDF), and cumulative distribution function (CDF). We will also present PDF, CDF, and outage probability of theL-branch MRC output. BEP/SEP will be evaluated for broad class of modulation types and for coherent and noncoherent types of detect
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ARYANTA, DWI, and RIENZY PRATAMA LONDONG ALLO. "Dynamic Spatial Diversity Combiner pada Kanal Fading." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 7, no. 3 (2019): 466. http://dx.doi.org/10.26760/elkomika.v7i3.466.

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ABSTRAKKanal transmisi radio berkontribusi pada terjadinya efek fading yang dapat berpengaruh pada terjadinya penurunan kualitas sinyal pada penerima. Salah satu solusi yang digunakan untuk menekan efek fading adalah penggunaan Spatial Diversity di sisi penerima. Pada penelitian ini digunakan suatu teknik Dynamic Spatial Diversity Combining yang memadukan Selection Combining, Equal Gain Combining, dan Maximal Ratio Combining untuk mendapatkan kinerja combiner yang lebih efektif dan efisien. Simulasi dilakukan dengan menggunakan modulasi BPSK pada beberapa jenis kanal yaitu Rayleigh, Rician, Na
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Fayadh, Rashid A., F. Malek, and Hilal A. Fadhil. "Pulse Sign Separation Technique for the Received Bits in Wireless Ultra-Wideband Combination Approach." Mathematical Problems in Engineering 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/919681.

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When receiving high data rate in ultra-wideband (UWB) technology, many users have experienced multiple-user interference and intersymbol interference in the multipath reception technique. Structures have been proposed for implementing rake receivers to enhance their capabilities by reducing the bit error probability (Pe), thereby providing better performances by indoor and outdoor multipath receivers. As a result, several rake structures have been proposed in the past to reduce the number of resolvable paths that must be estimated and combined. To achieve this aim, we suggest two maximal ratio
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Cui, X. W., Q. T. Zhang, and Z. M. Feng. "Outage Performance for Maximal Ratio Combiner in the Presence of Unequal-Power Co-Channel Interferers." IEEE Communications Letters 8, no. 5 (2004): 289–91. http://dx.doi.org/10.1109/lcomm.2004.827401.

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Okediran, Oladapo Seun, Festus Kehinde Ojo, John Adedapo Ojo, Olasunkanmi Fatai Oseni, and Oluwole Oladele Obanisola. "Enhancement of spectrum sensing technique with energy harvesting for cognitive radio network." Indonesian Journal of Electrical Engineering and Computer Science 28, no. 2 (2022): 810–19. https://doi.org/10.11591/ijeecs.v28.i2.pp810-819.

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Spectrum sensing (SS) is cognitive radio's (CR’s) fundamental and essential mechanism to locate idle spectrum. Multipath effects in wireless channels, on the other hand, reduce CR's sensing accuracy, resulting in a significant risk of missing data. Optimal spectrum sensing technique with energy harvesting (OSSTEH) used to solve this problem suffers from poor performance due to only one primary user (PU) branch used. Hence, in this paper, an enhanced SS with energy harvesting technique is proposed using Maximal Ratio Combiner (MRC). The multiple copies of the PU signal were receiv
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Nagaraju, Samala, and Vidhyacharan Bhaskar. "Outage Probability of Maximal Ratio Combiner in the Presence of Adjacent Cell Interference and Adjacent Channel Interference." Wireless Personal Communications 90, no. 4 (2016): 1581–95. http://dx.doi.org/10.1007/s11277-016-3412-8.

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Srinivasa, Rao V., Kumar P. Vinay, S. Balaji, Khan Habibulla, and Kumar T. Anil. "Robust Multiuser Detection in Synchronous DS-CDMA System with MRC Receive Diversity over Nakagami-m Fading Channel." Advanced Engineering Forum 4 (June 2012): 43–50. http://dx.doi.org/10.4028/www.scientific.net/aef.4.43.

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This paper presents the robust multiuser detection in synchronous direct sequence-code division multiple access (DS-CDMA) systems with Maximal Ratio Combiner (MRC) receive diversity over frequency-nonselective, slowly fading Nakagami-m channels in a non-Gaussian environment. Average probability of error is derived for decorrelating detector over single path Nakagami-m fading channel. A new M-estimator proposed to robustify the detector is studied and analyzed. Simulation results show that the new M-estimator outperforms linear decorrelating detector, the Huber, and the Hampel estimator based d
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Patel, Meher Krishna, Stevan M. Berber, and Kevin W. Sowerby. "Maximal Ratio Combining Using Channel Estimation in Chaos Based Pilot-Added DS-CDMA System with Antenna Diversity." Wireless Communications and Mobile Computing 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/3607167.

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This paper presents an adaptive multiuser transceiver scheme for DS-CDMA systems in which pilot symbols are added to users’ data to estimate complex channel fading coefficients. The performance of receiver antenna diversity with maximal ratio combining (MRC) technique is analyzed for imperfect channel estimation in flat fading environments. The complex fading coefficients are estimated using least mean square (LMS) algorithm and these coefficients are utilized by the maximal ratio combiner for generating the decision variable. Probability of error in closed form is derived. Further, the effect
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Dissertations / Theses on the topic "Maximal-Ratio Combiner"

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Olandim, Richard John Lintulahti. "Diversidade espacial na recepção em sistemas ISDB-Tb." Universidade Presbiteriana Mackenzie, 2015. http://tede.mackenzie.br/jspui/handle/tede/1464.

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Made available in DSpace on 2016-03-15T19:37:57Z (GMT). No. of bitstreams: 1 RICHARD JOHN LINTULAHTI OLANDIM.pdf: 2276167 bytes, checksum: 0d3c0536034c612074740ab02558a1be (MD5) Previous issue date: 2015-06-25<br>In Brazil, the broadcasting system for television content in high definition is the ISDB-Tb. Although robust, the content transmission in this system, like in any radio frequency propagation, can suffer from external attenuating factors, such as distortion by multipath propagation. One of the techniques used in radio communications for minimizing the effects of this type of distorti
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Book chapters on the topic "Maximal-Ratio Combiner"

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Weik, Martin H. "maximal-ratio combiner." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_11187.

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Milisic, Mirza, Mirza Hamza, and Mesud Hadziali. "Outage Performance and Symbol Error Rate Analysis of L-Branch Maximal-Ratio Combiner for κ-μ and η-μ Fading." In Vehicular Technologies: Increasing Connectivity. InTech, 2011. http://dx.doi.org/10.5772/14671.

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Conference papers on the topic "Maximal-Ratio Combiner"

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Al-Qahtani, Fawaz S., Arun K. Gurung, Noura Al-Hinai, and Zahir M. Hussain. "Performance analysis of maximal ratio combiner in correlated rayleigh fading." In 2009 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2009. http://dx.doi.org/10.1109/atc.2009.5349509.

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Milisic, Mirza, Mirza Hamza, and Mesud Hadzialic. "Outage Performance of L-Branch Maximal-Ratio Combiner for Generalized k-μ Fading." In 2008 IEEE Vehicular Technology Conference (VTC 2008-Spring). IEEE, 2008. http://dx.doi.org/10.1109/vetecs.2008.79.

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Milisic, Mirza, Mirza Hamza, Narcis Behlilovic, and Mesud Hadzialic. "Symbol Error Probability Analysis of L-Branch Maximal-Ratio Combiner for Generalized eta-mu Fading." In 2009 IEEE 69th Vehicular Technology Conference Spring. IEEE, 2009. http://dx.doi.org/10.1109/vetecs.2009.5073870.

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Ouni, Nizar, and Ridha Bouallegue. "Full diversity high data rate MIMO scheme with maximal ratio combiner for quasi-static Rayleigh fading channel." In 2009 International Conference on Telecommunications. IEEE, 2009. http://dx.doi.org/10.1109/ictel.2009.5158626.

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Rashid, Mohammad Mahfujur, and S. P. Majumder. "Bit error rate performance of a multi-band OFDM UWB RFID system with reader receiver diversity using maximal ratio combiner." In 2015 IEEE International Conference on Telecommunications and Photonics (ICTP). IEEE, 2015. http://dx.doi.org/10.1109/ictp.2015.7427957.

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Mahdi Salih, Layla, Thuraya Mahmood Al-Qaradaghi, and Bzhar Rahman Othman. "Effect of NR-LDPC Codes on the Uplink Massive MIMO." In The 3rd International Conference on Engineering and Innovative Technology. Salahaddin University-Erbil, 2025. https://doi.org/10.31972/iceit2024.052.

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Future wireless communication technologies and the current fifth generation (5G) mobile communication system will need to provide greater coverage, spectral efficiency and reliability with reduced data traffic congestion. However, in wireless communication, reaching these objectives presents difficulties. Therefore, using only massive multiple-input multiple-output (M-MIMO) technology will not be sufficient to meet the continuously increasing demand, guarantee high reliability and avoid data traffic congestion. In this paper, the performance of M-MIMO system concatenated with channel coding us
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Wang, Zhuwei, Yanfen Hu, Xubin Chen, Xin Zhang, and Dacheng Yang. "Analytical Envelope Correlation and Outage Probability of Maximal-Ratio Combined Rician Fading Channels." In 2007 IEEE 66th Vehicular Technology Conference. IEEE, 2007. http://dx.doi.org/10.1109/vetecf.2007.202.

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Calmon, Flávio du Pin, and Michel Yacoub. "A Practical Diversity Combining Scheme based on the Selection of Maximal Ratio Combined Signals." In XXVI Simpósio Brasileiro de Telecomunicações. Sociedade Brasileira de Telecomunicações, 2008. http://dx.doi.org/10.14209/sbrt.2008.42385.

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Coskun, Ahmet F., and Oguz Kucur. "Performance of combined transmit antenna selection and maximal-ratio transmission in Nakagami-m fading channels." In 2011 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011). IEEE, 2011. http://dx.doi.org/10.1109/iwcmc.2011.5982519.

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Qin, Jun, Rahul Kumar Gangwar, Siming Liu, and Xingjun Wang. "High reliability transmission system in mobile front haul using a maximal ratio combined receiver with direct and lite-coherent detections." In Eleventh International Conference on Information Optics and Photonics (CIOP 2019), edited by Hannan Wang. SPIE, 2019. http://dx.doi.org/10.1117/12.2548383.

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