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Journal articles on the topic 'Rician channel'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 June 2024

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1

Halder, Amit, Md Riyad Tanshen, Khandakar Ahammad Ali, Fauzia Khan Juthy, Md Younus Ali, and Nusrat Jahan. "Performance Analysis of 16-FSK Modulator and Demodulator Over Rician Fading Channel by Varying Channel Parameters." Asian Journal of Basic Science & Research 05, no. 02 (2023): 97–104. http://dx.doi.org/10.38177/ajbsr.2023.5209.

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This article presents a comprehensive analysis of a 16-FSK modulator and demodulator's performance over a Rician fading channel, which accurately models wireless communication channels with line-of-sight and non-line-of-sight components. The study investigates the impact of various parameters, including the Rician K-factor, Maximum Diffuse Doppler Shift, and Delay Vector, using the MATLAB Simulink communication blockset. The results indicate that increasing the K-factor and delay vector of the channel leads to an improvement in bit error rate. Additionally, it is observed that the maximum diff

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2

Brkic, Srdjan, and Predrag Ivanis. "Energy detector performance in Rician fading channel." Serbian Journal of Electrical Engineering 10, no. 1 (2013): 37–46. http://dx.doi.org/10.2298/sjee1301037b.

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In this paper we analyzed the problem of detection of unknown signals in the Rician fading channel. A closed-form expression for the probability of detection is derived, followed by the numerical results. The analysis was extended to the case of cooperative sensor network in which the environment can be modelled by independent Rician fading channels.

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Wang, L. C., and C. T. Lea. "Co-channel interference analysis of shadowed Rician channels." IEEE Communications Letters 2, no. 3 (1998): 67–69. http://dx.doi.org/10.1109/4234.662629.

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Jovanovic, Predrag, Dragan Mitic, Aleksandar Lebl, and Radoslav Rajkovic. "Display probability of symbol errors for MQAM on Rician fading channel based on MGF method." Yugoslav Journal of Operations Research 25, no. 1 (2015): 93–105. http://dx.doi.org/10.2298/yjor130128036j.

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In this paper, we present a method to calculate the probability of error per symbol (Symbol Error Probability, SEP) of M-ary Quadrature Amplitude Modulation (MQAM) over a slow, flat, identically independently distributed Rician fading channels. Since the fading is one of the major constraints in wireless communications, then diversity modulation technique is used for the efficient transfer of message signals. Exact analysis of error probability per symbol for MQAM, transmitted over Rician fading channels, is performed by N branches of diversity reception using maximum ratio of signal-to-noise

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Khan, Alisha, and Saurabh Shrivastava. "Performance Evaluation of OFDM System with Rician, Rayleigh, Rayleigh with Awgn and Awgn Channel for Bluetooth, Fixed and Mobile Wimax Application." International Journal of Advance Research and Innovation 2, no. 2 (2014): 78–84. http://dx.doi.org/10.51976/ijari.221412.

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The emergence of WIMAX has attracted interest from wireless communication researchers. This paper discusses the OFDM for wireless communication. It include Bit Error Rate and Symbol Error Rate versus the ratio of bit energy to noise power spectral density (Eb/No) for different communication channels like AWGN channel, Rayleigh multipath channel, combined Rayleigh multipath with AWGN channel and Rician channel. The simulation is designed on computer MATLAB 9 version with 64-point FFT. It demonstrates that AWGN has better performance than any other channel. The BER of AWGN channel is 10-5 at 8dB

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Wu, Xiaohe, Xiang Ji, Yuan Yuan, and Minyu Li. "Analysis of the asymptotical average packet error rate over Rician fading channels." Journal of Physics: Conference Series 2615, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1742-6596/2615/1/012007.

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Abstract In the paper, we develop a simple and rather accurate method to analyze and research the average packet error rate (PER) in the high SNR region for the packet transmission system over Rician channels. By introducing the concept of inverse coding gain, the calculation expression of the average PER under the Rician fading channel can be obtained. Numerical calculations and simulations validate our theoretical analysis and approximation.

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Singh, Rupender, and Meenakshi Rawat. "Closed-form Distribution and Analysis of a Combined Nakagami-lognormal Shadowing and Unshadowing Fading Channel." Journal of Telecommunications and Information Technology, no. 4 (December 30, 2016): 81–87. http://dx.doi.org/10.26636/jtit.2016.4.765.

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The realistic wireless channels face combined (time shared) Nakagami-lognormal shadowing and unshadowing fading because of time varying nature of radio channel and mobile user. These channels can be modeled as time-shared sum of multipath-shadowing and unshadowing Rician distributions. These fading create severe problems in long distance wireless systems where multipath fading is superim-posed on shadowing fading (called multipath-shadowing fading). The multipath effect can be modeled using Rayleigh, Rician, Nakagami-m or Weibull distribution and shadowing effect is modeled using lognormal dis

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Mandal, Nasiba, and Tapan P. Bagchi. "A New Analytical Approach to Estimate Fading in Mobile Communication System Design." Applied Mechanics and Materials 619 (August 2014): 322–26. http://dx.doi.org/10.4028/www.scientific.net/amm.619.322.

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This paperprovides a novel analytical platform for evaluating theessential second order statistical boundaries for fading in mobile communication for average fade duration (AFD) and levelcrossing rate (LCR) of Rayleigh, Rician and Nakagami fading channels. We derive new expressions for average LCR and AFD. We then model and computationally simulate the proposed method for Rayleigh, Rician and Nakagami channels and separately calculate the LCR and AFD for each channel by this approach. Simulated results obtained for all three channels show that the values of LCR and AFD calculated by using the

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9

García-Corrales, Celia, Francisco J. Cañete та José F. Paris. "Capacity ofκ-μShadowed Fading Channels". International Journal of Antennas and Propagation 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/975109.

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The ergodic capacity of fading channels modeled with aκ-μshadowed distribution is investigated to derive closed-form expressions. Theκ-μshadowed distribution is of particular interest because it contains, as special cases, other classical ones like one-side Gaussian, Rayleigh, Rician, Nakagami-m,κ-μ, and Rician shadowed distributions. The paper discusses the physical meaning of the distribution parameter variations and also their impact on the channel capacity. These results can be used to study the behavior of different channels like the ones in underwater acoustic communications, land mobile

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10

Wu, Liang, Zaichen Zhang, Jian Dang, Yongpeng Wu, Huaping Liu, and Jiangzhou Wang. "Joint User Identification and Channel Estimation Over Rician Fading Channels." IEEE Transactions on Vehicular Technology 69, no. 6 (2020): 6803–7. http://dx.doi.org/10.1109/tvt.2020.2986466.

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González-Aurioles, Santiago, J. L. Padilla, P. Padilla, Juan F. Valenzuela-Valdés, and Juan C. Gonzalez-Macias. "On the MIMO Capacity for Distributed System under Composite Rayleigh/Rician Fading and Shadowing." International Journal of Antennas and Propagation 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/105017.

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Wireless channels are commonly affected by short-term fading and long-term fading (shadowing). The shadowing effects must be taken into account also when mobility is present in the wireless scenario. Using a composite fading model, the total channel capacity can be studied for a scenario with short-term Rayleigh fading along with shadowing. This work provides quantitative results for these kinds of scenarios with Rayleigh fading and shadowing, considering also multiple-input and multiple-output systems, which have not been previously reported. In addition, the channel capacity has been studied

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12

Liu, Xian. "Probability of Strictly Positive Secrecy Capacity of the Rician-Rician Fading Channel." IEEE Wireless Communications Letters 2, no. 1 (2013): 50–53. http://dx.doi.org/10.1109/wcl.2012.101812.120660.

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13

Santillán-Valdiviezo, Luis Gonzalo, Paulina Sofía Valle-Oñate, Jesús Alberto Rodriguez-Flores, Miltón Paul López-Ramos, and Miryan Estela Narvaez-Vilema. "Comparison of bit error rate (BER) in multipath phenomena Rayleigh and Rician using QPSK modulation in Multiple Input Multiple Output (MIMO) systems." Sapienza: International Journal of Interdisciplinary Studies 5, no. 1 (2024): e24003. http://dx.doi.org/10.51798/sijis.v5i1.721.

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In wireless communications, there are Rician and Rayleigh multipath phenomena, which can cause destructive interference caused by a strong dominant component. The objective of the study is to analyze how these multipath phenomena affect the Bit Error Rate (BER), using phase shift keying (QPSK), as well as 5G Multiple Input Multiple Output (MIMO) technology to reduce or not the effect of fading to improve the BER. For the present study, the quantitative method is used to measure BER by comparative simulations of Rician and Rayleigh phenomena using different MIMO antenna configuration schemes us

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Kharchenko, Volodymir, Andrii Grekhov, Vasyl Kondratiuk, and Karina Nagorna. "ADS-B Satellite Communication Channel Based on IEEE 802.16 Standard." Transport and Aerospace Engineering 5, no. 1 (2017): 18–27. http://dx.doi.org/10.1515/tae-2017-0014.

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AbstractOriginal models of “Aircraft-Satellite-Ground Station” communication channel based on IEEE 802.16 standard were built by using MATLAB Simulink. The influence of aircraft transmitter nonlinearity for different types of fading in the channel (Rayleigh and Rician) was studied and the possibility of correcting nonlinearity by using pre-distortion was revealed. The impact of space-time diversity (MISO 2 × 1) for different types of fading in channels was investigated. The effect of the Doppler frequency shift on the operation of communication channels was analyzed.

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Ni, Jiqing, Zesong Fei, Chengwen Xing, Di Zhao, Niwei Wang, and Jingming Kuang. "Secrecy Balancing over Two-User MISO Interference Channels with Rician Fading." International Journal of Antennas and Propagation 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/546260.

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This paper considers a 2-user multiple-input single-output (MISO) interference channel with confidential messages (IFC-CM), in which the Rician channel model is assumed. The coordinated beamforming vectors at the two transmitters have the similar parameterizations as those for perfect CSI, which could be optimized jointly and achieved by agreeing on the real parameters between the two users. Our main contribution is that a quadratic relationship between the two real-valued parameters can be derived for the Rician channel to reach the ergodic secrecy rate balancing point. Simulation results pre

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Jesudoss, Roselin Suganthi, Rajeswari Kaleeswaran, Manjunathan Alagarsamy, Dineshkumar Thangaraju, Dinesh Paramathi Mani, and Kannadhasan Suriyan. "Comparative study of BER With NOMA system in different fading channels." Bulletin of Electrical Engineering and Informatics 11, no. 2 (2022): 854–61. http://dx.doi.org/10.11591/eei.v11i2.3311.

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In today's world, cellular communication is rapidly expanding. One of the most common strategies for assigning the spectrum of users in cellular communication is the multiple access strategy. Because the number of people using cellular communication is continually expanding, spectrum allotment is an important factor to consider. To access the channel in fifth-generation mobile communication, a method known as non-orthogonal multiple access (NOMA) is used. NOMA is a promising method for improving sum rate and spectral efficiency. In this research, we used the NOMA approach to compare the bit er

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17

Sharief, A. H., and M. Satya Sai Ram. "An Improved ICI Self Cancellation Scheme for OFDM Systems Under Various Channels." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 2 (2016): 690. http://dx.doi.org/10.11591/ijece.v6i2.9062.

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Inter Carrier Interference (ICI) is being introduced in OFDM due to the carrier frequency offset (CFO), which will degrade the system performance and efficiency at higher modulation levels and it decreases the performance of power amplifiers. Hence, here in this paper, we introduced a novel ICI reduction algorithms cancellation under the various channel environments such as AWGN, Rayleigh and also Rician. Simulation results have been compared with existing and proposed schemes under these channel specifications and concluded that the Rayleigh has performed far better than the AWGN and Rician c

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Sharief, A. H., and M. Satya Sai Ram. "An Improved ICI Self Cancellation Scheme for OFDM Systems Under Various Channels." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 2 (2016): 690. http://dx.doi.org/10.11591/ijece.v6i2.pp690-699.

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Inter Carrier Interference (ICI) is being introduced in OFDM due to the carrier frequency offset (CFO), which will degrade the system performance and efficiency at higher modulation levels and it decreases the performance of power amplifiers. Hence, here in this paper, we introduced a novel ICI reduction algorithms cancellation under the various channel environments such as AWGN, Rayleigh and also Rician. Simulation results have been compared with existing and proposed schemes under these channel specifications and concluded that the Rayleigh has performed far better than the AWGN and Rician c

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19

He, Junyi, Junnan Zhang, Cheng Song, and Mengxiang Wu. "Spectral Efficiency of the Multiway Massive System over Rician Fading Channels." Security and Communication Networks 2021 (February 24, 2021): 1–8. http://dx.doi.org/10.1155/2021/6618363.

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In this study, we consider a multiway massive multi-input multi-output (MIMO) relay network over Rician fading channels, where all users intend to share their information with the other users via amplify-and-forward (AF) relays equipped with a great number of antennas. More practical, the imperfect channel state information (CSI) is taken into account. To evaluate the performance of the considered networks, we derived an analytical approximation expression for the spectral efficiency with zero-forcing (ZF) receivers in a closed form. To obtain more insights, the asymptotic analysis as the numb

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20

Fathollahi, Hadi, and Mohammad H. Madani. "Performance Analysis of Multi-Hop Multi-Branch Amplify-and-Forward Cooperative Communication Over Rician Fading Channels." Journal of Circuits, Systems and Computers 29, no. 09 (2019): 2050148. http://dx.doi.org/10.1142/s0218126620501480.

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Performance of multi-hop multi-branch amplify and forward (AF) cooperative communication over Rician fading channels is presented in this paper by a novel analysis method. Rician distribution is used to analyze the system because this channel model is useful in aerospace wireless communication channels. We derive an asymptotic expression for the statistics of the received signal-to-noise ratio (SNR) in the system under study with well-known moment-generating function (MGF)-based approach with maximal ratio combining (MRC) scheme. Moreover, for comparative analysis in different branches and hop

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21

P. Herath, Sanjeewa, Nandana Rajatheva, Tho Le-Ngoc, and Chintha Tellambura. "Energy Detection with Diversity Reception." Journal of Science and Technology: Issue on Information and Communications Technology 3, no. 1 (2017): 20. http://dx.doi.org/10.31130/jst.2017.34.

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We characterize the performance of energy detector (ED) over square-law, square-law selection, and switch-and-stay diversity combining schemes. The exact average probabilities of a miss (Pm), and a false alarm (Pf) are derived in closed-form. To derive Pm for versatile Nakagami-m and Rician fading channels, a twofold approach, using the probability density function (PDF) and the moment generating function (MGF), is applied. Using the PDF method, the achievable diversity order over the Nakagami-m channel is derived. However, this method becomes intractable when analyzing Pm of the aforementione

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22

Kaplan, G., and S. Shamai. "Achievable performance over the correlated Rician channel." IEEE Transactions on Communications 42, no. 11 (1994): 2967–78. http://dx.doi.org/10.1109/26.328978.

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23

Ratnarajah, T., R. Vaillancourt, and M. Alvo. "Complex random matrices and Rician channel capacity." Problems of Information Transmission 41, no. 1 (2005): 1–22. http://dx.doi.org/10.1007/s11122-005-0006-6.

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24

Hu, Yifan, Ning Cao, and Yunfei Chen. "Analysis of Wireless Energy Harvesting Relay Throughput in Rician Channel." Mobile Information Systems 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/8798494.

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Cooperative communication uses idle nodes to achieve performance gains. Energy harvesting allows cooperative communication to be less dependent on batteries. In this paper, the performance of energy harvesting (EH) amplify-and-forward relaying is analyzed for Rician fading channels, in contrast to previous works that focused on Rayleigh fading channels. Continuous time EH protocol and discrete time EH protocol are considered. Analytical expressions for the average throughput are derived. Numerical results are presented to show the good performance of the system in Rician fading channels by exa

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25

Maammar, Nejwa El, Seddik Bri, and Jaouad Foshi. "Performances Concatenated LDPC based STBC-OFDM System and MRC Receivers." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 1 (2018): 622. http://dx.doi.org/10.11591/ijece.v8i1.pp622-630.

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This paper presents the bit error rate performance of the low density parity check (LDPC) with the concatenation of convolutional channel coding based orthogonal frequency-division-multiplexing (OFDM) using space time block coded (STBC). The OFDM wireless communication system incorporates 3/4-rated convolutional encoder under various digital modulations (BPSK, QPSK and QAM) over an additative white gaussian noise (AWGN) and fading (Raleigh and Rician) channels. At the receiving section of the simulated system, Maximum Ratio combining (MRC) channel equalization technique has been implemented to

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Ravva*, Vijaya Durga, and Allan Mc Lauchlin. "The BER Analysis of MIMO System for M-PSK over Different Fading Channels using STBC Code Structure." International Journal of Recent Technology and Engineering (IJRTE) 8, no. 3 (2019): 5831–36. http://dx.doi.org/10.35940/ijrte.a5309.098319.

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High information rates inside the restricted frequency (RF) spectrum is often fascinating that results in radios with capabilities on the far side a single-input single-output (SISO) topology. In recent days introduced wireless systems have adopted multiple-input multiple-output (MIMO) topologies that use 2 or more transmitters and 2 or more receivers to send information at the same time over same RF bandwidth. The performance of MIMO system may be improved by involving multiple antennas at transmitter and receiver therefore on offer spatial diversity. during this paper, the performance analys

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Bhalani, J., D. Chauhan, Y. P. Kosta, and A. I. Trivedi. "Novel semi-blind channel estimation schemes for Rician fading MIMO channel." Radioelectronics and Communications Systems 55, no. 4 (2012): 149–56. http://dx.doi.org/10.3103/s0735272712040012.

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28

Zhao, Lingxiao. "Comparisons of PSK, APSK, and QAM over AWGN and fading channels." Applied and Computational Engineering 36, no. 1 (2024): 53–63. http://dx.doi.org/10.54254/2755-2721/36/20230423.

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In addition to the thermal noise, communication systems can normally experience various fading because of objects reflecting the signal. PSK, APSK, and QAM modulation schemes are widely used in communication systems. It is thus essential to know how well these schemes can perform in different fading channels. This research explores the BER performance of these modulation schemes in common and typical channel models including AWGN, Rayleigh fading, Rician fading, and Nakagami fading channels by simulations in MATLAB. The BER curves over a range of SNR and symbol constellation diagrams are obtai

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29

Pashintsev, V. P., D. A. Belokon, S. A. Koval, and A. D. Skorik. "Methodology for Estimating Communication Reliability in Shortwave Radio-Frequency Transmission Channels with Rician Fading Given Ionospheric Diffusivity." Journal of the Russian Universities. Radioelectronics 25, no. 6 (2022): 22–39. http://dx.doi.org/10.32603/1993-8985-2022-25-6-22-39.

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Introduction. There exists a technique for estimating the dependence of communication reliability in a shortwave radio-frequency transmission channel (SWRC) with a single discrete beam and diffuse wave scattering across small-scale ionospheric inhomogeneities on the selected operating frequency taking into account the given signal-to-noise ratio and ionospheric diffusivity. In this technique, the Nakagami m-distribution is used to describe interference fading of the received signal. However, in a single-beam SWRC, fading signal amplitudes are described by the Rician or generalized Rayleigh, ra

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Arellano, Jorge F., Carlos Daniel Altamirano, Henry Ramiro Carvajal Mora, Nathaly Verónica Orozco Garzón, and Fernando Darío Almeida García. "On the Performance of MMSE Channel Estimation in Massive MIMO Systems over Spatially Correlated Rician Fading Channels." Wireless Communications and Mobile Computing 2024 (April 12, 2024): 1–12. http://dx.doi.org/10.1155/2024/5445725.

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Massive multiple-input-multiple-output (M-MIMO) offers remarkable advantages in terms of spectral, energy, and hardware efficiency for future wireless systems. However, its performance relies on the accuracy of channel state information (CSI) available at the transceivers. This makes channel estimation pivotal in the context of M-MIMO systems. Prior research has focused on evaluating channel estimation methods under the assumption of spatially uncorrelated fading channel models. In this study, we evaluate the performance of the minimum-mean-square-error (MMSE) estimator in terms of the normali

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31

Fan, Wei, Pekka Kyosti, Lassi Hentila, Jesper O. Nielsen, and Gert F. Pedersen. "Rician Channel Modeling for Multiprobe Anechoic Chamber Setups." IEEE Antennas and Wireless Propagation Letters 13 (2014): 1761–64. http://dx.doi.org/10.1109/lawp.2014.2352372.

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Ciuonzo, Domenico, Augusto Aubry, and Vincenzo Carotenuto. "Rician MIMO Channel- and Jamming-Aware Decision Fusion." IEEE Transactions on Signal Processing 65, no. 15 (2017): 3866–80. http://dx.doi.org/10.1109/tsp.2017.2686375.

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33

Korn, I., and L. Wei. "DPSK with sinusoidal pulse shaping in Rician channel." Electronics Letters 28, no. 21 (1992): 2000. http://dx.doi.org/10.1049/el:19921282.

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Ma, Y., R. Schober, and S. Pasupathy. "Effect of Channel Estimation Errors on MRC Diversity in Rician Fading Channels." IEEE Transactions on Vehicular Technology 54, no. 6 (2005): 2137–42. http://dx.doi.org/10.1109/tvt.2005.853454.

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Wu, Liang, Zaichen Zhang, Jian Dang, Jiangzhou Wang, Huaping Liu, and Yongpeng Wu. "Channel Estimation for Multicell Multiuser Massive MIMO Uplink Over Rician Fading Channels." IEEE Transactions on Vehicular Technology 66, no. 10 (2017): 8872–82. http://dx.doi.org/10.1109/tvt.2017.2698833.

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Amlavad, Prerna, and Mukesh Ptidar. "Performance Analysis of Different QAM Techniques Using Rician Fading Channel." International Journal of Trend in Scientific Research and Development Volume-3, Issue-1 (2018): 1123–26. http://dx.doi.org/10.31142/ijtsrd20214.

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Tangsunantham, Natthanan, and Chaiyod Pirak. "Experimental Performance Analysis of Wi-SUN Channel Modelling Applied to Smart Grid Applications." Energies 15, no. 7 (2022): 2417. http://dx.doi.org/10.3390/en15072417.

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The grid operation and communication network are essential for smart grids (SG). Wi-SUN channel modelling is used to evaluate the performance of Wi-SUN smart grid networks, especially in the last-mile communication. In this article, the distribution approximation of the received signal strength for IEEE 802.15.4g Wi-SUN smart grid networks was investigated by using the Rician distribution curve fitting with the accuracy improvement by the biased approximation methodology. Specifically, the Rician distribution curve fitting was applied to the received signal strength indicator (RSSI) measuremen

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Bhutto, Zuhaibuddin, та Wonyong Yoon. "Dual-Hop Cooperative Relaying with Beamforming Under Adaptive Transmission in κ–μ Shadowed Fading Environments". Electronics 8, № 6 (2019): 658. http://dx.doi.org/10.3390/electronics8060658.

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In this paper, we analyze the performance of a dual-hop cooperative decode-and-forward (DF) relaying system with beamforming under different adaptive transmission techniques over κ − μ shadowed fading channels. We consider multiple antennas at the source and destination, and communication takes place via a single antenna relay. The published work in the literature emphasized the performance analysis of dual-hop DF relaying systems, in conjunction with different adaptive transmission techniques for classical fading channels. However, in a real scenario, shadowing of the line-of-sight (LoS) sign

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Kang, Jinho. "Channel Statistics Based Wireless Energy Transfer with Energy Demand in Rician Fading Channel." Journal of Korean Institute of Communications and Information Sciences 48, no. 9 (2023): 1075–78. http://dx.doi.org/10.7840/kics.2023.48.9.1075.

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Mi, Hang, Bo Ai, Ruisi He, et al. "Multi-Scenario Millimeter Wave Channel Measurements and Characteristic Analysis in Smart Warehouse at 28 GHz." Electronics 12, no. 15 (2023): 3373. http://dx.doi.org/10.3390/electronics12153373.

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Smart warehouses are revolutionizing traditional logistics operations by incorporating advanced technologies such as Internet of Things, robotics, and artificial intelligence. In these complex and dynamic environments, control and operation instructions need to be transmitted through wireless networks. Therefore, wireless communication plays a crucial role in enabling efficient and reliable operations. Meanwhile, channel measurements and modeling in smart warehouse scenarios are essential for understanding and optimizing wireless communication performance. By accurately characterizing radio ch

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ALI-HEMMATI, RUHOLLAH, and PAEIZ AZMI. "CLIPPING DISTORTION SUPPRESSION IN OVERSAMPLED CODED OFDM SYSTEMS USING A NOVEL SOFT DECODING PROCEDURE." Fluctuation and Noise Letters 08, no. 03n04 (2008): L349—L357. http://dx.doi.org/10.1142/s0219477508005070.

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In this paper, a soft decoding method is proposed for QAM-modulated coded OFDM systems. This technique efficiently mitigates the distortion caused by clipping the oversampled-OFDM signals. Because the main advantage of an OFDM system is its robustness in fading channels, where this system turns a frequency selective channel into a set of parallel flat non-selective fading sub-channels, in this paper, we analyze the performance of the proposed method over flat fading Rician sub-channels. Our simulation results show that the proposed soft decoding technique significantly outper-forms the convent

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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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Maaref, A., and S. Aissa. "Capacity of MIMO Rician fading channels with transmitter and receiver channel state information." IEEE Transactions on Wireless Communications 7, no. 5 (2008): 1687–98. http://dx.doi.org/10.1109/twc.2008.060791.

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Pešović, Uroš, and Peter Planinšič. "Error Probability Model for IEEE 802.15.4 Wireless Communication." Journal of Circuits, Systems and Computers 25, no. 11 (2016): 1650135. http://dx.doi.org/10.1142/s0218126616501358.

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Wireless transmission compliant to IEEE 802.15.4 standard can be significantly affected by background noise, multipath fading and interference from other radio sources. The influence of such disturbances is most commonly expressed in a form of error probability statistics. Accurate analytical error probability model is hard to acquire, since IEEE 802.15.4 standard uses imperfect spreading sequences. Some prior works in this field tend to idealize these imperfect spreading sequences in order to simplify calculations for error probability parameters. This paper presents an analytical error proba

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Wang, Ke, Chan-Tong Lam, and Benjamin K. Ng. "RIS-Assisted High-Speed Communications with Time-Varying Distance-Dependent Rician Channels." Applied Sciences 12, no. 22 (2022): 11857. http://dx.doi.org/10.3390/app122211857.

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Reconfigurable intelligent surface (RIS) has been envisioned as one of the promising solutions for enhancing signal transmissions in high-speed communications (HSC). In this paper, we present a time-varying channel model with distance-dependent Rician factors for the RIS-assisted HSC. Our model not only contains Rayleigh components and Doppler shift (DS) terms but also distance-dependent Rician factors, for characterizing time-varying features. In particular, we show that when the vehicle is far from the base station and the RIS, the channel contains only Rayleigh fading. However, when they ar

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gomaa, ibrahim. "On the Capacity of MIMO-MAC in Rician channel." Egyptian Journal for Engineering Sciences and Technology 35, no. 3 (2021): 67–74. http://dx.doi.org/10.21608/eijest.2021.64102.1051.

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KOH, Il-Suek, and Taewon HWANG. "Simple Expression of Ergodic Capacity for Rician Fading Channel." IEICE Transactions on Communications E93-B, no. 6 (2010): 1594–96. http://dx.doi.org/10.1587/transcom.e93.b.1594.

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Chandra, A., and C. Bose. "Error Probability for Coherent Modulations in Rician Fading Channel." International Journal of Interdisciplinary Telecommunications and Networking 1, no. 2 (2009): 16–27. http://dx.doi.org/10.4018/jitn.2009040102.

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kaur, Jaspreet, Megha Khanna, and Gurjot Singh Gaba. "Performance Analysis of Rayleigh and Rician Fading Channel Model." International Journal of Multimedia and Ubiquitous Engineering 12, no. 8 (2017): 37–42. http://dx.doi.org/10.14257/ijmue.2017.12.8.04.

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Qu, S., and S. M. Fleisher. "Double differential MPSK on the fast Rician fading channel." IEEE Transactions on Vehicular Technology 41, no. 3 (1992): 278–95. http://dx.doi.org/10.1109/25.155975.

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