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Quality of service and reliability in optical network

Jitendra Saxena
2012 International Journal of Distributed and Parallel systems  
Eminence of service is a extremely significant and critical concern for maintaining optical network with respect signal degradation.  ...  Queuing theory is an vital parameter to maintain voice video and data eminence of service.  ...  Fig3. 1 1 Design Layout for Hierarchical Quality of Service.  ... 
doi:10.5121/ijdps.2012.3114 fatcat:rlohd4ke6jgn3iiby2uuxxbvvy

Towards Underlying Radio Technologies for LTE Based Public Safety Networks

Guopeng Zhang
2017 Journal of Computers  
The overall aim of the proposed approach is to develop novel radio technologies to improve the emergency communication service in LTE-based PSNs. The specific goal includes (1) multi-hop D2D route  ...  To satisfy the QoS requirements of emergency group communications, an effective opportunistic multicast scheduling approach is proposed at the MAC layer which can minimize the delay of a multicast.  ...  Hence, PSNs must provide Quality of Service (QoS) controls to manage multicast service for diverse traffics.  ... 
doi:10.17706/jcp.12.2.97-104 fatcat:4bortyjo75fcteswfesgi6ctw4

Cross Layer QoS Aware Scheduling based on Loss-Based Proportional Fairness with Multihop CRN

K. Saravanan, G. M. Tamilselvan, A. Rajendran
2022 Computer systems science and engineering  
To solve these problems and allocate appropriate spectrum, a novel method is introduced termed as Quality of Service (QoS) Improvement Proper Scheduling (QIPS).  ...  To optimize the resources of network, the LBPFM adaptively plans the radio resources for allocating to diverse services without lessening the quality of service.  ...  Acknowledgement: We show gratitude to anonymous referees for their useful ideas. Funding Statement: The authors received no specific funding for this study.  ... 
doi:10.32604/csse.2022.020789 fatcat:uf4sxmbsubfvfcbztyy2brdcre

Joint MAC-PHY Layer Resource Allocation Algorithm Based on Triangle Module Operator for Multi-Service OFDM System

Sun Yi, Yu Li, Zhang Jing, Tang Liang-rui
2011 Procedia Environmental Sciences  
improve the quality of service.  ...  The algorithms of the PHY layer may lead to the data loss and the waste of resource for multi-service OFDM system.  ...  Joint MAC-PHY layer resource allocation algorithm for multi-service OFDM system Service model The service model of resource allocation adopts the wireless communication model based on IEEE802.16 standard  ... 
doi:10.1016/j.proenv.2011.09.029 fatcat:ho66t6rdnvcgpembnflyigaszm

Guest Editorial Cross-layer Optimized Wireless Multimedia Communications

Pascal Frossard, Chang Chen, Cormac Sreenan, K. Subbalakshmi, Dapeng Wu, Qian Zhang
2007 IEEE Journal on Selected Areas in Communications  
The paper "Cross-Layer Resource Allocation Over Wireless Relay Networks for Quality of Service Provisioning" by Tang and Zhang proposes a resource allocation scheme by integrating information theory with  ...  Next, "Towards Universal Power Efficient Scheduling In Gaussian Channels," by Rajan, addresses the problem of scheduling packets for transmission during a sequence of time slots for both deterministic  ... 
doi:10.1109/jsac.2007.070501 fatcat:ozmzoonpubgsvbj7wgselxui3y

Long Term Evolution of Uplink QoS Enhancement in Wireless Communication Networks

J. C. Vijayshree, T. G. Palanivelu
2015 Indian Journal of Science and Technology  
Finally scheduling and congestion control methods are covered towards the effort of error control and marinating the quality of service.  ...  To assure better quality of service in heavily loaded scenario, a call admission control scheme will provide congestion control.  ... 
doi:10.17485/ijst/2015/v8i20/79126 fatcat:nsfyefc3qfhcnlzvvrwnhfu3ce

Performance Comparison of Packet Scheduling Algorithms for Video Traffic in LTE Cellular Network [article]

Biswapratapsingh Sahoo
2013 arXiv   pre-print
In this paper we have studied downlink packet scheduling algorithms proposed for LTE cellular networks.  ...  The main goal this study is to provide results that will help in the design process of packet scheduler for LTE cellular networks, aiming to get better overall performance users.  ...  Kumbesan Sandrasegaran, Professor, Faculty of Engineering & Information Technology, University of Technology, Sydney, Australia for his kind support.  ... 
arXiv:1307.3144v1 fatcat:gh6wadqkuvfq7b2bcu4oz5ooci

A flexible scheduling algorithm for the 5th-generation networks

Lanlan Li, Wentao Shao, Xin Zhou
2021 Intelligent and Converged Networks  
However, a major challenge for 5G networks is to achieve effective Radio Resource Management (RRM) strategies and scheduling algorithms to meet quality of service requirements.  ...  This paper presents a new scheduling algorithm based on the analysis of different scheduling schemes for radio resources using the Vienna 5G SL simulator.  ...  In this way, the user with a good service channel condition can transmit data until there are users with better service channel quality.  ... 
doi:10.23919/icn.2020.0017 fatcat:mr5ohrxvejddflyjepz6o36chm

Quality-of-service performance bounds in wireless multi-hop relaying networks

K. Zheng, Y. Wang, L. Lei, W. Wang, Y. Lin
2011 IET Communications  
The theoretical analysis on quality-of-service (QoS) performances is required to provide the guides for the developments of the next-generation wireless networks.  ...  Different from the existed studies which mostly focused on the single-hop networks with single-user under a two state Markov channel model, this study develops an analytical framework for wireless multi-hop  ...  It is expected to have the quality-of-service (QoS) analysis results in wireless multi-hop relaying networks [3, 4] .  ... 
doi:10.1049/iet-com.2009.0794 fatcat:lauulmhuivealoj5ypjpxek3qq

Multi-Objective Scheduling for MUD based Ad-Hoc Networks

M. Bouharras, Z. Dziong, F. Gagnon, M. Haidar
2008 Proceedings of the 4th International ICST Conference on Wireless Internet  
Common channel multi-hop Ad Hoc networks have some inherent constraints related to throughput and Quality of Service (QoS).  ...  Multiuser detection (MUD) based Medium Access Control (MAC) can relax some of these constraints and provide significant gains in throughput and Quality of Service (QoS).  ...  This class of mission-critical applications demands a certain level of quality of services (QoS) for proper operation.  ... 
doi:10.4108/icst.wicon2008.4793 dblp:conf/wicon/BouharrasDGH08 fatcat:bnigh4rmzjh4negrp2kpi74n3y

Scheduling with outdated CSI: Effective service capacities of optimistic vs. pessimistic policies

James Gross
2012 2012 IEEE 20th International Workshop on Quality of Service  
Based on a threshold error model, we derive the effective service capacity for different scheduling strategies that the scheduler might apply.  ...  The concept of the effective service capacity is an analytical framework for evaluating QoS-constrained queuing performance of communication systems.  ...  Our major contribution is to characterize the effective service capacity for different scheduling strategies (optimistic vs. pessimistic) depending on the quality of channel state information in a time-correlated  ... 
doi:10.1109/iwqos.2012.6245966 dblp:conf/iwqos/Gross12 fatcat:lygcofnabratjogvncx3pbz5iy

A Survey on QoE-oriented Wireless Resources Scheduling [article]

Ivo Sousa, Maria Paula Queluz, António Rodrigues
2019 arXiv   pre-print
Afterwards, a survey on the most recent QoE-based scheduling strategies for wireless systems is presented, highlighting the application/service of the different approaches reported in the literature, as  ...  Future wireless systems are expected to provide a wide range of services to more and more users.  ...  Acknowledgments This work was funded by Instituto de Telecomunicações and Fundação para a Ciência e a Tecnologia (FCT) under projects UID/EEA/50008/2019 and OCTHOPUS, and by project MESMOQoE (no. 023110  ... 
arXiv:1705.07839v2 fatcat:o2nv4jcw2fhbtegc6o7p2ridwa

A Survey on Technical Issues in IEEE 802.16j Mobile Multi-hop Relay Networks

D. Kumar
2011 The Smart Computing Review  
Other technical issues such as quality of service-scheduling services, bandwidth allocation and request, network planning, medium access control handover procedures, connection management, path management  ...  In this paper, we have conducted a detailed survey on relay technologies for IEEE 802.16j mobile multi-hop relay networks, such as relay modes, relay transmission schemes, and relay pairing schemes.  ...  (b) Transport tunneling: A tunnel connection for each quality of service requirement such as quality of service requirement 1, quality of service requirement 2, quality of service requirement 3, …, quality  ... 
doi:10.6029/smartcr.2011.01.002 fatcat:yzqewxi42re2vmn7bvc5tj4gu4

Utility-based adaptive multi-frame iterative algorithm for resource scheduling in OFDMA networks

Zongrui Ding, Guopeng Ding, Yingjie Qi, Limin Xiao, Jing Wang
2008 2008 International Conference on Telecommunications  
This paper focuses on the downlink resource scheduling with quality-of-service (QoS) provisioning in orthogonal frequency-division multiplexing (OFDM) networks.  ...  To solve this problem, a utility-based adaptive multi-frame iterative (AMI) algorithm aware of both channel and queue state information is proposed.  ...  Therefore, a joint channel-aware and queue-aware scheduling algorithm is expected to achieve a better performance through the vertical integration of protocol layers.  ... 
doi:10.1109/ictel.2008.4652646 dblp:conf/ict/DingDQXW08 fatcat:tgeuftfvjnekdgwrnftk45plsu

Quality of service provision in mobile multimedia - a survey

Hongli Luo, Mei-Ling Shyu
2011 Human-Centric Computing and Information Sciences  
Provision of Quality of Service (QoS) is challenging in mobile ad hoc networks because of the dynamic characteristics of mobile networks and the limited resources of the mobile devices.  ...  The wireless network is not reliable due to node mobility, multi-access channel and multi-hop communication.  ...  Heterogeneity The provision of QoS in mobile multimedia is challenging because of node mobility, multi-access channel, multi-hop communication, and the limited capabilities of the mobile devices.  ... 
doi:10.1186/2192-1962-1-5 fatcat:7pgdveybc5bdjd6k26mkfnhy3y
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