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1

WANG, Jingjing, Lingwei XU, Xinli DONG, Xinjie WANG, Wei SHI, and T. Aaron GULLIVER. "Performance Analysis of DF Relaying Cooperative Systems." IEICE Transactions on Communications E99.B, no. 7 (2016): 1577–83. http://dx.doi.org/10.1587/transcom.2015ebp3455.

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2

Bastami, Ali H., and Ali Olfat. "Optimal incremental relaying in cooperative diversity systems." IET Communications 7, no. 2 (2013): 152–68. http://dx.doi.org/10.1049/iet-com.2012.0178.

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3

Li, Guobing, Shihua Zhu, and Hui Hui. "Power allocation in opportunistic cooperative relaying systems." Frontiers of Electrical and Electronic Engineering in China 4, no. 2 (2009): 149–54. http://dx.doi.org/10.1007/s11460-009-0044-8.

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4

Alimo, David, Masanori Hamamura, and Saifur Rahman Sabuj. "Threshold-Based User-Assisted Cooperative Relaying in Beamspace Massive MIMO NOMA Systems." Sensors 22, no. 19 (2022): 7445. http://dx.doi.org/10.3390/s22197445.

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The incorporation of user-assisted cooperative relaying into beamspace massive multiple-input multiple-output (mMIMO) non-orthogonal multiple access (NOMA) system can extend the coverage area and improve the spectral and energy efficiency for millimeter wave (mmWave) communications when a dynamic cluster of mobile user terminals (MUTs) is formed within a beam. We propose threshold-based user-assisted cooperative relaying into a beamspace mMIMO NOMA system in a downlink scenario. Specifically, the intermediate MUTs between the next-generation base station (gNB) and the cell-edge MUT become rela
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5

Al-Mistarihi, Mamoun F., Rami Mohaisen, and Khalid A. Darabkh. "Performance evaluation of decode and forward cooperative diversity systems over nakagami-m fading channels with non-identical interferers." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 5316. http://dx.doi.org/10.11591/ijece.v10i5.pp5316-5328.

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The deficiencies of regular cooperative relaying schemes were the main reason behind the development of Incremental Relaying (IR). Fixed relaying is one of the regular cooperative relaying schemes and it relies on using the relay node to help in transmitting the signal of the source towards the destination despite the channel’s condition. However, adaptive relaying methods allocate the channel resources efficiently; thus, such methods have drawn the attention of researchers in recent years. In this study, we analyze a two-hop Decode-and-Forward (DF) IR system’s performance via Nakagami-m fadin
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6

Wang, Zih-Sin, Liang-Hung Lin, Jyh-Horng Wen, Yen-Ju Lin, and Chien-Erh Weng. "Performance Analysis of AF Cooperative Relaying Networks with SWIPT." Electronics 11, no. 4 (2022): 589. http://dx.doi.org/10.3390/electronics11040589.

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Cooperative communication networks have received more attention due to its ability to improve the signal quality of terminal devices by spatial diversity. Under recent advance in internet of things, In order to extend the service life of terminal devices powered by battery, simultaneous wireless information and power transfer (SWIPT) technique has been emphasize. The terminal devices can harvest energy and decode information from the same radio frequency (RF) signal using by SWIPT technique. In this paper, we combine both techniques to study the performance of both conventional cooperative rel
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7

Ho Van, Khuong, and Kong Hyung Yun. "Energy Savings in OFDM Systems through Cooperative Relaying." ETRI Journal 29, no. 1 (2007): 27–35. http://dx.doi.org/10.4218/etrij.07.0106.0085.

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8

Shengnan Yan. "Cooperative Relaying in Large-Coverage Cognitive Radio Systems." International Journal of Digital Content Technology and its Applications 7, no. 5 (2013): 847–54. http://dx.doi.org/10.4156/jdcta.vol7.issue5.99.

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9

Elmenreich, W., N. Marchenko, H. Adam, et al. "Building blocks of cooperative relaying in wireless systems." e & i Elektrotechnik und Informationstechnik 125, no. 10 (2008): 353–59. http://dx.doi.org/10.1007/s00502-008-0571-7.

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10

Van, Hoang Thien, Hoang-Phuong Van, Danh Hong Le, Ma Quoc Phu, and Hoang-Sy Nguyen. "Outage probability analysis for hybrid TSR-PSR based SWIPT systems over log-normal fading channels." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 5 (2021): 4233. http://dx.doi.org/10.11591/ijece.v11i5.pp4233-4240.

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Employing simultaneous information and power transfer (SWIPT) technology in cooperative relaying networks has drawn considerable attention from the research community. We can find several studies that focus on Rayleigh and Nakagami-m fading channels, which are used to model outdoor scenarios. Differing itself from several existing studies, this study is conducted in the context of indoor scenario modelled by log-normal fading channels. Specifically, we investigate a so-called hybrid time switching relaying (TSR)-power splitting relaying (PSR) protocol in an energy-constrained cooperative ampli
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11

Cao, Ning, Yuchang Ye, and Minghe Mao. "The Effect of Misdetection Probability on the Performance of Cooperative-Relaying-Based Cognitive Radio Systems." Mobile Information Systems 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/1051632.

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Cognitive radio (CR) is a promising solution to address the more and more congested radio spectrum. Cooperative relaying can provide a better transmission performance for the secondary user (SU), while the performance of the primary user (PU, also named licensed user) should be preferentially protected especially when there is misdetection probability. In this paper, in order to keep the PU away from outage caused by the interference from the SU under a certain signal-to-noise ratio (SNR), the maximum SNR for the SU can be derived by using the rate decaying factor (RDF). Then, based on the max
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12

Gheth, Waled, Khaled M. Rabie, Bamidele Adebisi, Muhammad Ijaz, and Georgina Harris. "Performance Analysis of Cooperative and Non-Cooperative Relaying over VLC Channels." Sensors 20, no. 13 (2020): 3660. http://dx.doi.org/10.3390/s20133660.

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The line-of-sight (LoS) channel is one of the requirements for efficient data transmission in visible-light communications (VLC), but this cannot always be guaranteed in indoor applications for a variety of reasons, such as moving objects and the layout of rooms. The relay-assisted VLC system is one of the techniques that can be used to address this issue and ensures seamless connectivity. This paper investigates the performance of half-duplex (HD) conventional DF relay system and cooperative systems (i.e., selective DF (SDF) and incremental DF (IDF)) over VLC channels in terms of outage proba
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13

Andrawes, Admoon, Rosdiadee Nordin, and Mahamod Ismail. "Wireless Energy Harvesting with Cooperative Relaying under the Best Relay Selection Scheme." Energies 12, no. 5 (2019): 892. http://dx.doi.org/10.3390/en12050892.

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One of the most notable challenges in wireless communications is energy scarcity, which has attracted considerable attention in Fifth Generation (5G) wireless network research. This paper investigates the performance of energy harvesting (EH) relays under the best relay selection (BRS) scheme. The results show degradation of spectral efficiency (SE) due to EH relaying compared with conventional cooperative relaying (CR). Conversely, EH relaying provides a positive gain compared with conventional CR, increasing the lifetime of the network and decreasing energy consumption (EC) and operational c
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14

Wang, Zhenling, Zhangyou Peng, Yongsheng Pei, and Haojia Wang. "Performance Analysis of Cooperative NOMA Systems with Incremental Relaying." Wireless Communications and Mobile Computing 2020 (March 14, 2020): 1–15. http://dx.doi.org/10.1155/2020/4915638.

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In this paper, we investigate the performance of the non-orthogonal multiple access (NOMA) system with incremental relaying, where the relay is employed with amplify-and-forward (AF) or decode-and-forward (DF) protocols. To characterize the outage behaviors of the incremental cooperative NOMA (ICN) system, new closed-form expressions of both exact and asymptotic outage probability for two users are derived. In addition, the performance of the conventional cooperative NOMA (CCN) system is analyzed as a benchmark for the the purpose of comparison. We confirm that the outage performance of the di
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15

Miridakis, Nikolaos I., Dimitrios D. Vergados, and Angelos Michalas. "Cooperative relaying in underlay cognitive systems with hardware impairments." AEU - International Journal of Electronics and Communications 69, no. 12 (2015): 1885–89. http://dx.doi.org/10.1016/j.aeue.2015.08.015.

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16

Siddig, Ali Ahmed Mohamed, and Mohd Fadzli Mohd Salleh. "Balancing Buffer-Aided Relay Selection for Cooperative Relaying Systems." IEEE Transactions on Vehicular Technology 66, no. 9 (2017): 8276–90. http://dx.doi.org/10.1109/tvt.2017.2685142.

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17

Jin, Sai, and Li Ping. "Parallel Two-Way Relaying in Cooperative OFDMA Cellular Systems." IEEE Transactions on Signal Processing 64, no. 1 (2016): 48–59. http://dx.doi.org/10.1109/tsp.2015.2474308.

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18

Van Khuong, Ho, and Tho Le-Ngoc. "Bandwidth-efficient cooperative MIMO relaying schemes." Computers & Electrical Engineering 36, no. 2 (2010): 352–57. http://dx.doi.org/10.1016/j.compeleceng.2009.03.014.

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19

Prasad Padhy, Saraju, Madhusmita Panda, Srinivas Sethi, and Aruna Tripathy. "Performance enhancement of relays used for next generation wireless communication networks." International Journal of Informatics and Communication Technology (IJ-ICT) 10, no. 1 (2021): 27. http://dx.doi.org/10.11591/ijict.v10i1.pp27-36.

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<p>Relaying is one of the latest communication technologies developed for wireless networks like WiMAX, LTE Advanced and 5G Ultra Reliable Low Latency Communication (URLLC) networks to provide coverage extension as well as higher bitrates for cell edge users. Thus they are included in the design of next generation wireless communication systems to provide performance improvement in terms of coverage and capacity over their predecessors. Other promising features of this technology include easy to implement and reduction in deployment cost. The objective of this paper is to analyze both co
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20

Zamir, Nida, Bakhtiar Ali, Muhammad Fasih Uddin Butt, Muhammad Awais Javed, Byung Moo Lee, and Soon Xin Ng. "Cooperative Jamming-Assisted Untrusted Relaying Based on Game Theory for Next-Generation Communication Systems." Applied Sciences 13, no. 13 (2023): 7863. http://dx.doi.org/10.3390/app13137863.

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In this contribution, we investigate the performance of an untrusted relaying system when Cooperative Jammers (CJs) are available. We propose two scenarios, Untrusted Relaying-aided Multiple Cooperative-Jammers-based Simultaneous Transmission (UR-MCJST) and an Untrusted Relaying-aided Multiple Cooperative Jammers-based Time-Division Transmission (UR-MCJTDT). The performances of both UR-MCJST and UR-MCJTDT schemes are investigated. The source node is the primary user (PU) that has access to a transmission bandwidth. An untrusted relay is employed for improving the reliability of the PU transmis
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21

Liau, Qian Yu, and Chee Yen Leow. "Successive User Relaying in Cooperative NOMA System." IEEE Wireless Communications Letters 8, no. 3 (2019): 921–24. http://dx.doi.org/10.1109/lwc.2019.2900013.

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22

Li, Yi, Xiao Mei Fu, Quan Guo, and Yi Lu. "A Simplified Power Allocation Method for Cooperative Communication Based on Internet of Things." Applied Mechanics and Materials 195-196 (August 2012): 200–204. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.200.

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In order to combat multi-path fading across multiple protocol layers in the wireless networks effectively, cooperative diversity is developed with a virtual multi-antenna array, and spatial diversity can be achieved with the relaying. In this paper, we study an improved opportunistic relaying which could be applied to future Internet of Things. Simulation results shows it has better outage probability and spectral efficiency, and based on the model we propose a simplified power allocation method, which has close performance to the exhaustive search method. It has less calculation complexity an
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23

Gunduz, D., and E. Erkip. "Source and Channel Coding for Cooperative Relaying." IEEE Transactions on Information Theory 53, no. 10 (2007): 3454–75. http://dx.doi.org/10.1109/tit.2007.904963.

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24

El-Zahr, Sawsan, and Chadi Abou-Rjeily. "Threshold Based Relay Selection for Buffer-Aided Cooperative Relaying Systems." IEEE Transactions on Wireless Communications 20, no. 9 (2021): 6210–23. http://dx.doi.org/10.1109/twc.2021.3072561.

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25

Hussain, Syed. "Cooperative relaying for idle band integration in spectrum sharing systems." Qatar Foundation Annual Research Forum Proceedings, no. 2013 (November 2013): ICTP 023. http://dx.doi.org/10.5339/qfarf.2013.ictp-023.

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26

Liu, Qian, Tiejun Lv, and Zhipeng Lin. "Energy-Efficient Transmission Design in Cooperative Relaying Systems Using NOMA." IEEE Communications Letters 22, no. 3 (2018): 594–97. http://dx.doi.org/10.1109/lcomm.2018.2790379.

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27

Luo, Sheng, and Kah Chan Teh. "Throughput Maximization for Wireless-Powered Buffer-Aided Cooperative Relaying Systems." IEEE Transactions on Communications 64, no. 6 (2016): 2299–310. http://dx.doi.org/10.1109/tcomm.2016.2555900.

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28

Balti, Elyes, and Mohsen Guizani. "Mixed RF/FSO Cooperative Relaying Systems With Co-Channel Interference." IEEE Transactions on Communications 66, no. 9 (2018): 4014–27. http://dx.doi.org/10.1109/tcomm.2018.2818697.

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29

Somekh, Oren, Osvaldo Simeone, H. Vincent Poor, and Shlomo Shamai. "Cellular Systems with Non-Regenerative Relaying and Cooperative Base Stations." IEEE Transactions on Wireless Communications 9, no. 8 (2010): 2654–63. http://dx.doi.org/10.1109/twc.2010.061710.091603.

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30

Zheng, Kan, Lijie Hu, Wenbo Wang, and Lin Huang. "Performance Analysis of HARQ Transmission in Cooperative DF Relaying Systems." Wireless Personal Communications 55, no. 3 (2009): 441–55. http://dx.doi.org/10.1007/s11277-009-9808-y.

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31

Kim, Jung-Bin, In-Ho Lee, and JunHwan Lee. "Capacity Scaling for D2D Aided Cooperative Relaying Systems Using NOMA." IEEE Wireless Communications Letters 7, no. 1 (2018): 42–45. http://dx.doi.org/10.1109/lwc.2017.2752162.

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32

Ly, Tran, Hoang-Sy Nguyen, Thanh-Sang Nguyen, Van Huynh, Thanh-Long Nguyen, and Miroslav Voznak. "Outage Probability Analysis in Relaying Cooperative Systems with NOMA Considering Power Splitting." Symmetry 11, no. 1 (2019): 72. http://dx.doi.org/10.3390/sym11010072.

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In recent years, non-orthogonal multiple access (NOMA) has become a promising technology for the advancement of future wireless communications. In principle, the relay node with better channel conditions can support others to enhance the system performance by using successive interference cancellation (SIC) technique. In this paper, we take advantage of NOMA in the study of a relaying cooperative system operating in half-duplex (HD) fixed decode-and-forward (DF) relaying scheme. In the two time slots, two data symbols are received at the destination node resulting in a higher transmission rate
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33

Khatalin, Sari, та Hadeel Miqdadi. "On the Performance of Cooperative Relaying Systems with NOMA in κ − μ Fading Environment". Wireless Communications and Mobile Computing 2022 (23 квітня 2022): 1–15. http://dx.doi.org/10.1155/2022/1319687.

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Nonorthogonal multiple access (NOMA) is considered to be a promising solution for the fifth generation (5G) wireless networks. The performance of the 5G wireless networks in terms of outage probability, achievable rate, and other important network performance metrics can be remarkably improved by the integration of NOMA with cooperative relaying transmission technique. In this paper, we investigate the performance of the cooperative relaying system integrated with NOMA in terms of outage probability and achievable rate over κ − μ fading channels. Analytical expressions for the outage probabili
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34

Savazzi, Stefano, and Umberto Spagnolini. "Cooperative Fading Regions for Decode and Forward Relaying." IEEE Transactions on Information Theory 54, no. 11 (2008): 4908–24. http://dx.doi.org/10.1109/tit.2008.929911.

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35

Le-Tran, Manh, and Sunghwan Kim. "Performance Analysis of Dual-Hop FSO Cooperative Systems over F Turbulence with Pointing Errors." Photonics 9, no. 7 (2022): 437. http://dx.doi.org/10.3390/photonics9070437.

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Recently, atmospheric-turbulence-induced fading in free-space optical (FSO) communication with pointing error impairment was modeled and studied using the Fisher–Snedecor F distribution with a good fit to experimental data. In this letter, we investigate the end-to-end performance of dual-hop FSO fixed-gain relaying systems operating over F turbulence channels. More specifically, we present closed-form expressions for the cumulative distribution function and the probability density function of the end-to-end signal-to-noise (SNR) ratio of the proposed system. Consequently, the outage probabili
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36

Kara, Ferdi. "Error performance of cooperative relaying systems empowered by SWIPT and NOMA." Physical Communication 49 (December 2021): 101450. http://dx.doi.org/10.1016/j.phycom.2021.101450.

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37

Liu, Hongwu, Zhiguo Ding, Kyeong Jin Kim, Kyung Sup Kwak, and H. Vincent Poor. "Decode-and-Forward Relaying for Cooperative NOMA Systems With Direct Links." IEEE Transactions on Wireless Communications 17, no. 12 (2018): 8077–93. http://dx.doi.org/10.1109/twc.2018.2873999.

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38

Abou-Rjeily, Chadi. "Performance Analysis of Selective Relaying in Cooperative Free-Space Optical Systems." Journal of Lightwave Technology 31, no. 18 (2013): 2965–73. http://dx.doi.org/10.1109/jlt.2013.2277191.

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39

Kim, Jung-Bin, and In-Ho Lee. "Capacity Analysis of Cooperative Relaying Systems Using Non-Orthogonal Multiple Access." IEEE Communications Letters 19, no. 11 (2015): 1949–52. http://dx.doi.org/10.1109/lcomm.2015.2472414.

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40

Luo, Sheng, and Kah Chan Teh. "Buffer State Based Relay Selection for Buffer-Aided Cooperative Relaying Systems." IEEE Transactions on Wireless Communications 14, no. 10 (2015): 5430–39. http://dx.doi.org/10.1109/twc.2015.2438296.

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41

Mostafa, Hala, Mohamed Marey, Octavia A. Dobre, and Mohamed H. Ahmed. "Simplified maximum-likelihood detectors for full-rate alternate-relaying cooperative systems." IET Communications 7, no. 17 (2013): 1899–906. http://dx.doi.org/10.1049/iet-com.2013.0206.

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42

Asghari, Vahid, and Sonia Aissa. "Performance of Cooperative Spectrum-Sharing Systems with Amplify-and-Forward Relaying." IEEE Transactions on Wireless Communications 11, no. 4 (2012): 1295–300. http://dx.doi.org/10.1109/twc.2012.020812.111201.

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43

Dhanasekaran, Senthilkumar, and S. Anusha. "Cooperative Diversity in Secondary Systems: Efficient Relaying Protocol for Cognitive Radio." Wireless Personal Communications 109, no. 2 (2019): 1419–28. http://dx.doi.org/10.1007/s11277-019-06619-0.

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44

Jun, Tang, and Wang Liejun. "Non-combining Incremental Relaying Protocol for Amplify-and-forward Cooperative Systems." Information Technology Journal 12, no. 1 (2012): 239–42. http://dx.doi.org/10.3923/itj.2013.239.242.

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45

Xia, Minghua, and Sonia Aissa. "Modeling and Analysis of Cooperative Relaying in Spectrum-Sharing Cellular Systems." IEEE Transactions on Vehicular Technology 65, no. 11 (2016): 9112–22. http://dx.doi.org/10.1109/tvt.2016.2517042.

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46

Nguyen, Tien-Tung, Jong-Ho Lee, Minh-Tuan Nguyen, and Yong-Hwa Kim. "Machine Learning-Based Relay Selection for Secure Transmission in Multi-Hop DF Relay Networks." Electronics 8, no. 9 (2019): 949. http://dx.doi.org/10.3390/electronics8090949.

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A relay selection method is proposed for physical-layer security in multi-hop decode-and-forward (DF) relaying systems. In the proposed method, cooperative relays are selected to maximize the achievable secrecy rates under DF-relaying constraints by the classification method. Artificial neural networks (ANNs), which are used for machine learning, are applied to classify the set of cooperative relays based on the channel state information of all nodes. Simulation results show that the proposed method can achieve near-optimal performance for an exhaustive search method for all combinations of re
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47

Xu, Lingwei, Jingjing Wang, Yun Liu, Wei Shi, and T. Aaron Gulliver. "Outage Performance for IDF Relaying Mobile Cooperative Networks." Mobile Networks and Applications 23, no. 6 (2017): 1496–501. http://dx.doi.org/10.1007/s11036-017-0982-y.

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48

Van, Hoang-Phuong, and Hoang-Sy Nguyen. "Throughput performance for full-duplex DF relaying protocol in hybrid wireless power transfer systems." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 3 (2021): 1571. http://dx.doi.org/10.11591/ijeecs.v24.i3.pp1571-1577.

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Most of the existing studies on energy harvesting (EH) cooperative relaying networks are conducted for the outdoor environments which are mainly characterized by Rayleigh fading channels. However, there are not as many studies that consider the indoor environments whereas the state-of-the-art internet of things (IoT) and smart city applications are built upon. Thus, in this paper, we analyze a namely hybrid time-power splitting relaying (HTPSR) protocol in a full-duplex (FD) decode-and-forward (DF) battery-energized relaying network in indoor scenarios modelled by the unpopular log-normal fadi
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49

Ghous, Mujtaba, Ahmad Kamal Hassan, Ziaul Haq Abbas, Ghulam Abbas, Aseel Hussien, and Thar Baker. "Cooperative Power-Domain NOMA Systems: An Overview." Sensors 22, no. 24 (2022): 9652. http://dx.doi.org/10.3390/s22249652.

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Interference has been a key roadblock against the effectively deployment of applications for end-users in wireless networks including fifth-generation (5G) and beyond fifth-generation (B5G) networks. Protocols and standards for various communication types have been established and utilised by the community in the last few years. However, interference remains a key challenge, preventing end-users from receiving the quality of service (QoS) expected for many 5G applications. The increased need for better data rates and more exposure to multimedia information lead to a non-orthogonal multiple acc
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50

Al-nahari, Azzam Y., Moawad I. Dessouky, and Fathi E. Abd El-Samie. "Cooperative Space–Time Coding with Amplify-and- Forward Relaying." Journal of Signal Processing Systems 67, no. 2 (2010): 129–38. http://dx.doi.org/10.1007/s11265-010-0516-3.

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