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Scheduling of QoS Guaranteed Services in DS-CDMA Uplink Networks: Modified Weighted G-Fair Algorithm [chapter]

Young Min Ki, Eun Sun Kim, Dong Ku Kim
2004 Lecture Notes in Computer Science  
In this paper, the modified weighted g-fair (MWGF) scheduling scheme with rise over thermal (RoT) filling is proposed for QoS guaranteed services in DS-CDMA uplink networks, in which RoT is directly related  ...  The proposed scheme computes priorities of QoS guaranteed traffic for each slot based upon the weighted values of the QoS factor, channel factor, and fairness factor.  ...  In this paper, we take into consideration a scheduling algorithm for applications in QoS guaranteed services in cdma2000 type uplink, and propose a modified weighted g-fair (MWGF) algorithm for by using  ... 
doi:10.1007/978-3-540-30199-8_23 fatcat:w5rl7all2jfy3fv37iohefubwe

Joint Throughput Maximization and Fair Uplink Transmission Scheduling in CDMA Systems

Symeon Papavassiliou, Chengzhou Li
2009 EURASIP Journal on Wireless Communications and Networking  
We study the fundamental problem of optimal transmission scheduling in a code-division multiple-access wireless system in order to maximize the uplink system throughput, while satisfying the users quality-of-service  ...  The corresponding problem is expressed as a weighted throughput maximization problem, under certain power and QoS constraints, where the weights are the control parameters reflecting the fairness constraints  ...  In [22] , several scenarios of scheduling uplink CDMA transmission with voice and data services are analyzed.  ... 
doi:10.1155/2009/564692 fatcat:2ovoujbkvzhspfqxjbznenzkvm

Rate Allocation and Admission Control for Differentiated Services in CDMA Data Networks

Mainak Chatterjee, Haitao Lin, Sajal K. Das
2007 IEEE Transactions on Mobile Computing  
In this paper, we propose a unified framework for rate allocation and admission control for CDMA data networks with a goal of maximizing the service provider's revenue taking into consideration user churn  ...  We prove that the PC-DRA problem is NP-Complete for CDMA data networks and then propose three heuristics-a two step selective rate reduction (SRR) scheme, a genetic algorithm (GA), and an improved genetic  ...  ACKNOWLEDGMENTS The authors are thankful to the anonymous reviewers for their useful comments in improving the quality of this paper.  ... 
doi:10.1109/tmc.2007.29 fatcat:g5apgszwq5gfpnwt4sbfsvkb6e

Scheduling and CAC in IEEE 802.16 Fixed BWNs: A Comprehensive Survey and Taxonomy

Ikbal Chammakhi Msadaa, Daniel Camara, Fethi Filali
2010 IEEE Communications Surveys and Tutorials  
IEEE 802.16 can provide quality of service (QoS) guarantees for heterogeneous classes of traffic with different QoS requirements.  ...  The main objective of this paper is to provide a better understanding of the missing components to ensure QoS support in IEEE 802.16 fixed broadband wireless networks (BWNs), namely scheduling and connection  ...  -QoS requirements guarantee: The scheduler should satisfy the QoS requirements of the different types of service specified by the standard.  ... 
doi:10.1109/surv.2010.033010.00038 fatcat:gzoqctsbtnfihcyglqboozewru

Capacity-based compressed mode control algorithm for inter-system measurements in UMTS system

ChengTa Chang, ChingYao Huang, ChiehYuan Ho
2007 Wireless networks  
In this article, a capacity-based compressed mode algorithm which considers potential impacts on the capacity and the priority of operating the compressed mode measurement is proposed to reduce the use  ...  The performance of the proposed algorithm will be studied based on UMTS simulation platform.  ...  He especially focuses on the QoS-oriented intra/inter-system handover and the related compressed mode mechanism in the wideband CDMA systems.  ... 
doi:10.1007/s11276-007-0049-2 fatcat:h5p5he6yzbgd5h4xch7i7azw6u

2005 index

2005 IEEE Communications Letters  
Chieh-Ho Lee, + , COML Jan 05 28-30 DS-CDMA downlink receivers, sparse chip equalizer. Kutz, G., + , COML Jan 05 10-12 fast comput. of even and odd order intermodulation products, modified algm.  ...  Li, Y., + , COML Jan 05 1-3 Greedy algorithms hop count and Euclidean distance in greedy forwarding in wireless ad hoc networks.  ... 
doi:10.1109/lcomm.2005.1576594 fatcat:upvkv2oloze3jos34ny6hs6ove

Cross-Layer Design in Wireless Mesh Networks

I.F. Akyildiz, Xudong Wang
2008 IEEE Transactions on Vehicular Technology  
The method of optimization decomposition of the protocol stack can achieve optimal network performance.  ...  Moreover, cross-layer optimization schemes and algorithms between different protocol layers are investigated with an objective of shedding light on open research problems and new approaches.  ...  a large variety of services that consist of many traffic types with heterogeneous QoS requirements.  ... 
doi:10.1109/tvt.2007.911615 fatcat:vmtyj6t4sbca3cmg3mmdag3fza

Instant Handoffs for Wireless Infrastructure Meshed Networks

Alexander A. Kist
2008 2008 Australasian Telecommunication Networks and Applications Conference  
PUC-Rio, Brazil This work investigates the problem of uplink blind channel estimation in Zero Padded Multi Carrier Direct Sequence Code Division Multiple Access (MC-DS/CDMA-ZP).  ...  Alternative Subspace Method for Improved Blind Channel Estimation in Uplink Zero Padded MC-DS/CDMA Systems Gaussian Random Fields as a Model for Spatially Correlated Log-Normal Fading Daniel Catrein  ... 
doi:10.1109/atnac.2008.4783338 fatcat:5vdigbtf5nfo7ifyeepevnth54

Emerging OCDMA communication systems and data networks [Invited]

Jawad A. Salehi
2007 Journal of Optical Networking  
Specifically I discuss the recently developed algorithms that are based on matrix algebra, which simplify and enhance the efficiencies of algorithms in OOC generation.  ...  In cellular networks the features of softblocking and soft-hand off, with no dynamic frequency allocation offered by the CDMA technique, were essential to increase the capacity and the number of users  ...  While enabling power control algorithm is basically important in wireless infrared CDMA networks (Fig. 19) , it can be easily used for quality of service (QoS) provisioning in terms of reliability (i.e  ... 
doi:10.1364/jon.6.001138 fatcat:e7znbzmbfbfv5dxyx3dofmihf4

Wireless Network Pricing

Jianwei Huang, Lin Gao
2013 Synthesis Lectures on Communication Networks  
evolving technology. • Facilitate the development of courses in this field Wireless Network Pricing  ...  The series is designed to: • Provide the best available presentations of important aspects of communication networks. • Help engineers and advanced students keep up with recent developments in a rapidly  ...  Jean Walrand, for encouraging us to start this book project during JWH's 2010 summer visit in UC Berkeley. We thank co-authors of the publications that form the  ... 
doi:10.2200/s00505ed1v01y201305cnt013 fatcat:azeby2beerbytkqglfedokxnzu

Packet Scheduling and Congestion Control [chapter]

Giovanni Giambene, Mari Carmen Aguayo Torres, Edmundo Monteiro, Michal Ries, Vasos Vassiliou
2009 Lecture Notes in Electrical Engineering  
of the modified backoff algorithm.  ...  Fig. 2 . 1 21 EDD weighting function in Equations (2.3) and (2.4) Modified Largest Weighted Delay First (M-LWDF): This scheduler was proposed in Average goodput of (a) noncongestive flows and (b) congestive  ... 
doi:10.1007/978-0-387-85573-8_2 fatcat:bplrvodlhzfc7o4ze3rlfdpsgq

Power Allocation in Wireless Relay Networks with Partial Channel State Information

T. T. Pham, H. H. Nguyen, H. D. Tuan
2009 2009 IEEE International Conference on Communications  
In the second part of the thesis, a network model with multiple sources and a single relay is considered.  ...  Minimizing the transmit power at the relay and optimizing the fairness among the sources in terms of throughput are the two objectives considered in implementing power allocation schemes.  ...  Beside adapting to the channel conditions, Algorithm 2 can also be modified to support some strategies such as quality-of-service (QoS) based classification with different upper bounds of SINR for different  ... 
doi:10.1109/icc.2009.5199350 dblp:conf/icc/PhamNT09 fatcat:2qbvewgiy5hnfji3cp3d6s3ohm

A Survey of Big Data Machine Learning Applications Optimization in Cloud Data Centers and Networks [article]

Sanaa Hamid Mohamed, Taisir E.H. El-Gorashi, Jaafar M.H. Elmirghani
2019 arXiv   pre-print
This survey article reviews the challenges associated with deploying and optimizing big data applications and machine learning algorithms in cloud data centers and networks.  ...  networks.  ...  All data are provided in full in the results section of this paper.  ... 
arXiv:1910.00731v1 fatcat:kvi3br4iwzg3bi7fifpgyly7m4

A Survey of Non-Orthogonal Multiple Access for 5G

Linglong Dai, Bichai Wang, Zhiguo Ding, Zhaocheng Wang, Sheng Chen, Lajos Hanzo
2018 IEEE Communications Surveys and Tutorials  
Their design principles and key features will be discussed in detail, and a systematic comparison of these NOMA schemes will be summarized in terms of their spectral efficiency, system performance, receiver  ...  In contrast to the family of conventional orthogonal multiple access (OMA) schemes, the key distinguishing feature of NOMA is to support a higher number of users than the number of orthogonal resource  ...  To ensure a fair comparison, same data rate is maintained for each user to guarantee the same quality of service.  ... 
doi:10.1109/comst.2018.2835558 fatcat:ycxmkfe3rjet7eikctqijc554m

An Evolutionary Game-Based Mechanism for Routing P2P Network Flow among Selfish Peers

Fang Zuo, Wei Zhang
2014 Journal of Networks  
Networking devices are increasing in complexity among various services and platforms, from different vendors. The network complexity is required experts' operators.  ...  Telecommunication networks need to support a wide range of services and functionalities with capability of autonomy, scalability and adaptability for managing applications to meet business needs.  ...  is advanced, guarantee user fairness and meet the industry QoS.  ... 
doi:10.4304/jnw.9.01.10-17 fatcat:tbmafdamk5am7a6ba26gsxzydq
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