Готові списки джерел за темами / Multi-hop Relaying Systems

Добірка наукової літератури з теми "Multi-hop Relaying Systems"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Multi-hop Relaying Systems"

1

Farhadi, Golnaz, and Norman Beaulieu. "Fixed relaying versus selective relaying in multi-hop diversity transmission systems." IEEE Transactions on Communications 58, no. 3 (March 2010): 956–65. http://dx.doi.org/10.1109/tcomm.2010.03.070409.

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2

Sulyman, A. I., G. Takahara, H. S. Hassanein, and M. Kousa. "Multi-hop capacity of MIMO-multiplexing relaying systems." IEEE Transactions on Wireless Communications 8, no. 6 (June 2009): 3095–103. http://dx.doi.org/10.1109/twc.2009.080655.

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3

Farhadi, Golnaz, and Norman Beaulieu. "Power-optimized amplify-and-forward multi-hop relaying systems." IEEE Transactions on Wireless Communications 8, no. 9 (September 2009): 4634–43. http://dx.doi.org/10.1109/twc.2009.080987.

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4

Farhadi, G., and N. C. Beaulieu. "On the ergodic capacity of multi-hop wireless relaying systems." IEEE Transactions on Wireless Communications 8, no. 5 (May 2009): 2286–91. http://dx.doi.org/10.1109/twc.2009.080818.

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5

Marinho R. de Oliveira, Pedro, C. Alexandre Rolim Fernandes, Gérard Favier, and Rémy Boyer. "PARATUCK semi-blind receivers for relaying multi-hop MIMO systems." Digital Signal Processing 92 (September 2019): 127–38. http://dx.doi.org/10.1016/j.dsp.2019.05.011.

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6

Lee, In-Ho. "Study on Relaying Path Selection Using One-Hop Channel Information in Decode-and-Forward Relaying Based Multi-Hop Systems." Journal of The Korea Institute of Intelligent Transport Systems 12, no. 3 (June 30, 2013): 87–95. http://dx.doi.org/10.12815/kits.2013.12.3.087.

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7

Lee, In-Ho. "Study on Relaying Path Selection Using One-Hop Channel Information in Decode-and-Forward Relaying Based Multi-Hop Systems." Journal of The Korea Institute of Intelligent Transport Systems 12, no. 3 (June 30, 2013): 87–95. http://dx.doi.org/10.12815/kits.2013.12.3.87.

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8

Lin, Xingqin, and Jeffrey G. Andrews. "Connectivity of Millimeter Wave Networks With Multi-Hop Relaying." IEEE Wireless Communications Letters 4, no. 2 (April 2015): 209–12. http://dx.doi.org/10.1109/lwc.2015.2397884.

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9

Mao, Minghe, Ning Cao, Yunfei Chen, and Haobing Chu. "Novel noncoherent detection for multi-hop amplify-and-forward relaying systems." International Journal of Communication Systems 29, no. 7 (December 18, 2015): 1293–304. http://dx.doi.org/10.1002/dac.3099.

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10

Alvi, Shakeel, Riaz Hussain, Qadeer Hasan, and Shahzad Malik. "Improved Buffer-Aided Multi-Hop Relaying with Reduced Outage and Packet Delay in Cognitive Radio Networks." Electronics 8, no. 8 (August 14, 2019): 895. http://dx.doi.org/10.3390/electronics8080895.

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Анотація:
Cognitive radio networks have emerged to exploit optimally the scarcely-available radio spectrum resources to enable evolving 5G wireless communication systems. These networks tend to cater to the ever-increasing demands of higher data rates, lower latencies and ubiquitous coverage. By using the buffer-aided cooperative relaying, a cognitive radio network can enhance both the spectral efficiency and the range of the network; although, this could incur additional end-to-end delays. To mitigate this possible limitation of the buffer-aided relaying in the underlay cognitive network, a virtual duplex multi-hop scheme, referred as buffer-aided multi-hop relaying, is proposed, which improves throughput and reduces end-to-end delays while keeping the outage probability to a minimum as well. This scheme simultaneously takes into account the inter-relay interference and the interference to the primary network. The proposed scheme is modeled as a Markov chain, and Monte Carlo simulations under various scenarios are conducted to evaluate several key performance metrics such as throughput, outage probability, and average packet delay. The results show that the proposed scheme outperforms many non-buffer-aided relaying schemes in terms of outage performance. When compared with other buffer-aided relaying schemes such as max-max, max-link, and buffer-aided relay selection with reduced packet delay, the proposed scheme demonstrated better interference mitigation without compromising the delay performance as well.
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Дисертації з теми "Multi-hop Relaying Systems"

1

Rouse, Thomas S. "Multi-hop relaying networks in TDD-CDMA systems." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/1365.

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Анотація:
The communications phenomena at the end of the 20th century were the Internet and mobile telephony. Now, entering the new millennium, an effective combination of the two should become a similarly everyday experience. Current limitations include scarce, exorbitantly priced bandwidth and considerable power consumption at higher data rates. Relaying systems use several shorter communications links instead of the conventional point-to-point transmission. This can allow for a lower power requirement and, due to the shorter broadcast range, bandwidth re-use may be more efficiently exploited. Code division multiple access (CDMA) is emerging as one of the most common methods for multi user access. Combining CDMA with time division duplexing (TDD) provides a system that supports asymmetric communications and relaying cost-effectively. The capacity of CDMA may be reduced by interference from other users, hence it is important that the routing of relays is performed to minimise interference at receivers. This thesis analyses relaying within the context of TDD-CDMA systems. Such a system was included in the initial draft of the European 3G specifications as opportunity driven multiple access (ODMA). Results are presented which demonstrate that ODMA allows for a more flexible capacity coverage trade-off than non-relaying systems. An investigation into the interference characteristics of ODMA shows that most interference occurs close to the base station (BS). Hence it is possible that in-cell routing to avoid the BS may increase capacity. As a result, a novel hybrid network topology is presented. ODMA uses path loss as a metric for routing. This technique does not avoid interference, and hence ODMA shows no capacity increase with the hybrid network. Consequently, a novel interference based routing algorithm and admission control are developed. When at least half the network is engaged in in-cell transmission, the interference based system allows for a higher capacity than a conventional cellular system. In an attempt to reduce transmitted power, a novel congestion based routing algorithm is introduced. This system is shown to have lower power requirement than any other analysed system and, when more than 2 hops are allowed, the highest capacity. The allocation of time slots affects system performance through co-channel interference. To attempt to minimise this, a novel dynamic channel allocation (DCA) algorithm is developed based on the congestion routing algorithm. By combining the global minimisation of system congestion in both time slots and routing, the DCA further increases throughput. Implementing congestion routed relaying, especially with DCA, in any TDD-CDMA system with in-cell calls can show significant performance improvements over conventional cellular systems.
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2

Harrold, Timothy James. "Intelligent relaying : a multi-hop extension to personal communication systems." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271883.

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3

Hamdi, Maziyar. "Multiple-differential encoding for multi-hop amplify-and-forward relaying in IR-UWB systems." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/21267.

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Анотація:
In this thesis, we propose to improve the performance and coverage of impulse-radio ultra-wideband (IR-UWB) systems by means of cooperative multi-hop relaying. With regard to a simple practical realization, we focus on a non-coherent system setup in conjunction with amplify-and-forward (A&F) relaying. In particular, we propose to employ a multiple-differential encoding scheme at the source node and single differential decoding at each relay and at the destination node, respectively, so as to efficiently limit intersymbol-interference (ISI) effects at the destination node. A thorough performance analysis of the proposed scheme is provided, along with a closed-form optimization of the transmit power allocation to the source node and the relays. Simulation results illustrate the excellent performance of the proposed scheme, which is also compared to alternative coherent and non-coherent multi-hop IR-UWB schemes based on A&F relaying and decode-and-forward (D&F) relaying.
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4

Yu, Hyungseok. "Performance of cooperative relaying systems with co-channel interference." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45744.

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The cooperative relaying scheme is a promising technique for increasing the capacity and reliability of wireless communication. Even though extensive research has performed in information theoretical aspect, there are still many unresolved practical problems of cooperative relaying system. This dissertation analyzes the performance of cooperative decode-and-forward (DF) relaying systems in the presence of multiple interferers and improve network throughput for these systems. We propose and summarize various systems in the view of network topology, transmission structure, and slot allocation. We present closed-form expressions for the end-to-end outage probability, average symbol-error-probability, average packet-error-probability, and network throughput of the proposed systems. This dissertation shows that the robustness of the destination against interference is more important than robustness of the relay against interference from an interference management perspective, and increasing the number of branches yields better outage and error performance improvements against shadowing than increasing the number of hops. In cellular networks, the cooperative diversity systems can outperform the dual-Rx antenna system, but only when the relay is located in a relatively small portion of the total cell area with respect the the destination mobile terminal. The results also show that since the effective regions of the uplink and the downlink do not overlap, different relays should be utilized for cell sectorization in the uplink and the downlink. Finally, the proposed variable-slot selection DF scheme can reduce the system complexity and make the maximum throughput point in the low and moderate signal-to-interference-plus-noise ratio region.
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5

AHMED, Hassan A. "Quantitative Interference and Capacity Analysis of Broadband Multi-Hop Relaying Networks." Thesis, 2011. http://hdl.handle.net/1974/6503.

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Анотація:
This thesis analyzes the Bit Error Rate (BER) performance of Orthogonal Frequency Division Multiplexing (OFDM) systems in mobile multi-hop relaying channels. We consider the uplink scenario and quantify the effects of mobile channel impairments such as Doppler Shift due to user mobility per hop, high-power amplifier distortions when amplifying the transmitted/relayed OFDM symbol per hop, as well as the cumulative effects of these impairments over multi-hop relaying channels. It is shown that the resulting inter-carrier interference (ICI) due to the cumulative effects of the phase noise generated by these impairments per hop becomes very significant in a multi-hop relaying communication system, and severely degrades the BER performance of the system. Simulation results agree well with, and validate the analysis.
Thesis (Ph.D, Electrical & Computer Engineering) -- Queen's University, 2011-05-05 15:15:39.576
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6

Huang, Shih-Hsin, and 黃世昕. "Performance Analysis Expression for Dual-hop Multi-relaying Wireless System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/02205013876826232267.

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Анотація:
碩士
國立臺灣海洋大學
通訊與導航工程學系
101
A performance analysis for amplify-and-forward dual-hop multi-hop relaying wireless system with best selection over Rayleigh plus log-normal (composite) fading channel is presented. Two approached expressions using end-to-end relaying link and maximum probability of dual-hop relay are proposed and compared for bit error rate (BER) and outage probabilities. In this paper, the closed-form analytical expressions for the probability density function (PDF), cumulative distribution function (CDF), and the moment-generating function (MGF) of end-to-end SNR of the composite fading environments obtained by the condition that the large mean power to targeted threshold. Using these expressions, the closed-form expressions for the outage probability and average bit error rate are derived. Numerical simulation and non-closed mathematical expression are finally provided to verify the correctness of the analysis in this paper. The proposed scheme provides a simple and efficient approach to evaluate the impact of the shadowing effect and thus analytical optimization and relaying output power margin becomes feasible in real system design application.
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Книги з теми "Multi-hop Relaying Systems"

1

Walke, Bernhard. IEEE 802 wireless systems: Protocols, multi-hop mesh/relaying, performance and spectrum coexistence. Chichester UK: John Wiley & Sons, Ltd, 2007.

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2

Stefan, Mangold, and Berlemann Lars, eds. IEEE 802 wireless systems: Protocols, multi-hop mesh/relaying, performance and spectrum coexistence. Hoboken, NJ: John Wiley & Sons, Ltd, 2006.

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3

Mangold, Stefan, Lars Berlemann, and Bernard H. Walke. IEEE 802 Wireless Systems: Protocols, Multi-hop Mesh/relaying, Performance And Spectrum Coexistence. John Wiley & Sons Inc, 2007.

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4

Walke, Bernhard H., Stefan Mangold, and Lars Berlemann. IEEE 802 Wireless Systems: Protocols, Multi-Hop Mesh / Relaying, Performance and Spectrum Coexistence. Wiley & Sons, Incorporated, John, 2007.

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5

Walke, Bernhard H., Stefan Mangold, and Lars Berlemann. IEEE 802 Wireless Systems: Protocols, Multi-Hop Mesh/Relaying, Performance and Spectrum Coexistence. Wiley, 2007.

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Частини книг з теми "Multi-hop Relaying Systems"

1

Gholami, Anousheh, Nariman Torkzaban, John S. Baras, and Chrysa Papagianni. "Joint Mobility-Aware UAV Placement and Routing in Multi-Hop UAV Relaying Systems." In Ad Hoc Networks, 55–69. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67369-7_5.

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2

Zhao, Mingjun, Minghe Mao, Ning Cao, Le Cheng, Jie Li, and Rui Shi. "Dynamic Hybrid Timing Switching and Power Splitting SWIPT for Multi-hop AF Relaying Systems." In Advances in Intelligent Systems and Computing, 207–15. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14680-1_24.

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3

Tam, Y. Hung, Ahmed M. Safwat, and Hossam S. Hassanein. "Load Balancing and Relaying Framework in TDD W-CDMA Multi-hop Cellular Networks." In NETWORKING 2005. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems, 1267–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11422778_102.

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4

Li, Qianrui, Akl Charaf, Nicolas Gresset, and Hervé Bonneville. "Radio Resource Management in Next-Generation Railway System with Heterogeneous Multi-hop Relaying Deployment." In Lecture Notes in Computer Science, 59–70. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-92684-7_6.

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Тези доповідей конференцій з теми "Multi-hop Relaying Systems"

1

Fangchao Du, Yulin Hu, Ling Qiu, and Anke Schmeink. "Finite blocklength performance of multi-hop relaying networks." In 2016 International Symposium on Wireless Communication Systems (ISWCS). IEEE, 2016. http://dx.doi.org/10.1109/iswcs.2016.7600949.

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2

Xiaojuan Zhang and Yi Gong. "Adaptive power allocation for multi-hop OFDM relaying systems." In 2007 6th International Conference on Information, Communications & Signal Processing. IEEE, 2007. http://dx.doi.org/10.1109/icics.2007.4449623.

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3

Kwak, Ryoulhee, and John M. Cioffi. "Resource-Allocation for OFDMA Multi-Hop Relaying Downlink Systems." In IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference. IEEE, 2007. http://dx.doi.org/10.1109/glocom.2007.611.

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Dong, Min, Mahdi Hajiaghayi, and Ben Liang. "On linear processing for dual-hop multi-channel relaying." In 2011 45th Annual Conference on Information Sciences and Systems (CISS). IEEE, 2011. http://dx.doi.org/10.1109/ciss.2011.5766167.

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Zhang, Xiao Juan, and Yi Gong. "Adaptive power allocation for multi-hop regenerative relaying OFDM systems." In 2010 4th International Conference on Signal Processing and Communication Systems (ICSPCS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icspcs.2010.5709725.

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Farhadi, Golnaz, and Norman C. Beaulieu. "Ergodic Capacity of Multi-Hop Wireless Relaying Systems in Rayleigh Fading." In IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference. IEEE, 2008. http://dx.doi.org/10.1109/glocom.2008.ecp.859.

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Ahmed, Hassan A., Ahmed Iyanda Sulyman, and Hossam Hassanein. "BER performance of OFDM systems in mobile multi-hop relaying channels." In the 6th International Wireless Communications and Mobile Computing Conference. New York, New York, USA: ACM Press, 2010. http://dx.doi.org/10.1145/1815396.1815604.

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8

Xing, Chengwen, Zesong Fei, Shaodan Ma, Jingming Kuang, and Yik-Chung Wu. "Robust linear transceiver design for multi-hop non-regenerative MIMO relaying systems." In Signal Processing (WCSP 2011). IEEE, 2011. http://dx.doi.org/10.1109/wcsp.2011.6096793.

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Ahmed, Hassan A., Ahmed Iyanda Sulyman, and Hossam S. Hassanein. "Symbol Loss Probability of OFDMA Technique in Mobile Multi-Hop Relaying Systems." In Networking Conference (WCNC). IEEE, 2010. http://dx.doi.org/10.1109/wcnc.2010.5506570.

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Farhadi, Golnaz, and Norman C. Beaulieu. "Selective Decode-and-Forward Relaying Scheme for Multi-Hop Diversity Transmission Systems." In IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference. IEEE, 2007. http://dx.doi.org/10.1109/glocom.2007.834.

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