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Downlink Scheduling and Resource Management for Best Effort Service in TDD-OFDMA Cellular Networks [chapter]

Young Min Ki, Eun Sun Kim, Dong Ku Kim
2004 Lecture Notes in Computer Science  
Throughput performance and geographical service fairness of best effort service used for downlink of a 802.16e based TDD-OFDMA sectored cellular networks are evaluated in conjunction with different scheduling  ...  The 3-sectored 1 FA, 3-sectored 3 FA, and 6-sectored 3 FA plans are compared in terms of throughput, capacity, and geographical service fairness, which assist in determining the choice of a scheduling  ...  The max C/I scheduler Concluding Remarks Throughput and its geographical service fairness of best effort service used for downlink of 802.16e based TDD-OFDMA sectored cellular networks were evaluated  ... 
doi:10.1007/978-3-540-30199-8_26 fatcat:vcbws3hgdjgf7pmwdsubo6g5i4

Performance Comparison of Downlink Packet Scheduling Algorithms in LTE Network

Mohd. Algharem, Mohd. Hasbullah Omar, Muhammed I. Alghamdi, Rahmat Budiarto
2014 Proceeding of the Electrical Engineering Computer Science and Informatics  
The main contribution of this paper is to determine the appropriate downlink scheduling algorithm for VOIP, video, and best-effort traffics in 3GPP LTE.  ...  Index Terms---downlink scheduling; LTE; OFDMA; QoS; video traffic I.  ...  Radio Resource Management (RRM) will choose the right TDD configuration depending on the ratio between downlink and uplink traffic.  ... 
doi:10.11591/eecsi.v1.390 fatcat:3lhujfnaxfhv7eogwrsemoy7kq

Downlink Packet Scheduling with Minimum Throughput Guarantee in TDD-OFDMA Cellular Network [chapter]

Young Min Ki, Eun Sun Kim, Sung Il Woo, Dong Ku Kim
2005 Lecture Notes in Computer Science  
This paper proposes a channel scheduler in downlink of IEEE 802.16e TDD-OFDMA cellular network which provides users the minimum throughput for best effort traffic.  ...  The trade-off between the throughput guarantee level and sector throughput is shown in the proposed schedulers.  ...  Concluding Remarks The total throughput and minimum throughput guarantee performance of best effort service were evaluated for downlink of an IEEE 802.16e TDD-OFDMA cellular network.  ... 
doi:10.1007/11422778_50 fatcat:nxug456r7jerxlea42jtdtshuq

Radio resource management of heterogeneous services in mobile WiMAX systems [Radio Resource Management and Protocol Engineering for IEEE 802.16]

Chingyao Huang, Hung-hui Juan, Meng-shiang Lin, Chung-ju Chang
2007 IEEE wireless communications  
ACKNOWLEDGEMENT The authors would like to thank Taiwan ITRI's support in providing a generic mobile WiMAX simulation platform and the discussions throughout this study.  ...  This work was founded by Medi-aTech -NCTU Research Fund and Taiwan MOE ATU Program 95W803C.  ...  (ertPS), non-real-time polling service (nrtPS), and best effort service (BE).  ... 
doi:10.1109/mwc.2007.314547 fatcat:oydmhsnobbacppadw3a7y3jfzi

Fairness in Radio Resource Management for Wireless Networks

Mohamed Hossam Ahmed, Alagan Anpalagan, Kwang-Cheng Chen, Zhu Han, Ekram Hossain
2009 EURASIP Journal on Wireless Communications and Networking  
Radio resource management (RRM) techniques such as admission control, scheduling, subcarrier allocation, channel assignment, power allocation, and rate control are essential for maximizing the resource  ...  utilization and providing quality of service (QoS) in wireless networks.  ...  Haas proposes a decentralized interference management algorithm for OFDMA operating in TDD cellular systems.  ... 
doi:10.1155/2009/642878 fatcat:oscdq6iirnfplopphodljibzrm

Resource Allocation Algorithm Based on Power Control and Dynamic Transmission Protocol Configuration for HAPS-IMT Integrated System

Li Wang, Xiaoyan Zhao, Cheng Wang, Weidong Wang
2021 Electronics  
In order to meet the needs of users with asymmetric and random data flow, the spectrum sharing and dynamic time division duplexing (TDD) mode are used in HAPS-IMT heterogeneous network.  ...  Secondly, the utilization function is adopted for assessing the system performance, which gives attention to both diversified requirements on the quality of services (QoS) and the throughput of the HAPS-IMT  ...  In Section 3, for integrated cellular networks in TDD mode, configuring transmission protocol is designed to alleviate the interference from downlink to uplink.  ... 
doi:10.3390/electronics11010044 fatcat:qrsegncggzagfpc2wyqr5tmprm

A Survey of Mobile WiMAX IEEE 802.16m Standard [article]

Jha Rakesh, Wankhede Vishal A., Upena Dalal
2010 arXiv   pre-print
IEEE 802.16m amends the IEEE 802.16 Wireless MAN-OFDMA specification to provide an advanced air interface for operation in licenced bands.  ...  It will meet the cellular layer requirements of IMT-Advanced next generation mobile networks.  ...  Service (nrtPS) and Best Effort Service (BE).  ... 
arXiv:1005.0976v1 fatcat:az6ox7vtkveldpailkqf27a6sy

Mobile WiMAX Performance Investigation [chapter]

Alessandro Bazzi, Giacomo Leonardi, Gianni Pasolini, Oreste Andrisano
2010 Radio Communications  
Finally, in order to correctly manage each data flow giving an acceptable quality of service to the end user, IEEE802.16e-2005 provides five different scheduling services for traffic delivery: • Best Effort  ...  In this section, in particular, a TCP connection is considered, requiring a best effort service.  ...  Advanced techniques for the radio resource management will be discussed both in single and multiple radio technologies; either in infrastructure, mesh or ad hoc networks.  ... 
doi:10.5772/9457 fatcat:i2aprfy5obcfndbtlsmyhrhyzy

Towards Systems Beyond 3G Based on Adaptive OFDMA Transmission

Mikael Sternad, Tommy Svensson, Tony Ottosson, Anders Ahlen, Arne Svensson, Anna Brunstrom
2007 Proceedings of the IEEE  
We provide a systematic overview of the design problems, such as the dimensioning of the allocated time-frequency resources, the influence of duplexing schemes, adaptation control issues for downlinks  ...  The overall challenge will be packet scheduling and adaptive radio transmission for multiple users, via multiple antennas and over frequency-selective wideband channels.  ...  In particular, we thank J. von Häfen, Nokia-Siemens Networks, and S. Pfletchinger, CTTC, for many useful comments.  ... 
doi:10.1109/jproc.2007.907119 fatcat:2vkhh2slrvcshptvlant6o76yu

The Performance of Relay-Enhanced Cellular OFDMA-TDD Network for Mobile Broadband Wireless Services

Kyungmi Park, HyunS Ryu, ChungG Kang, Daeyoung Chang, Seungho Song, Jongguk Ahn, Jongtae Ihm
2009 EURASIP Journal on Wireless Communications and Networking  
In this paper, we report on our investigation of bandwidth efficiency and the associated service outage performance for different relay scenarios, using system level simulation for a cellular Orthogonal  ...  Frequency Division Multiple Access-Time Division Duplexing (OFDMA-TDD) system.  ...  for the cellular OFDMA-TDD system.  ... 
doi:10.1155/2009/261815 fatcat:emmjppevibgjddwiuhepvcj4vy

Handover Performance in Mobile WIMAX Networks

2016 International Journal of Science and Research (IJSR)  
ACKNOWLEDGMENTS This Master's thesis was carried out in the iCONS group of the University of South Florida.  ...  With TDD products, operators are capable of adjusting downlink and uplink ratios based on their service needs in the networks.  ...  Authorization Key AMC Adaptive Modulation and Coding ASN Access Service Network ASN-GW Access Service Network Gateway BE Best Effort BPSK Binary Phase Shift Keying BS Base Station CCI Co-Channel  ... 
doi:10.21275/v5i6.nov164380 fatcat:gtqczzovtvg5nlrqaqmphbavi4

An Overview on 3GPP Device-to-Device Proximity Services [article]

Xingqin Lin and Jeffrey G. Andrews and Amitava Ghosh and Rapeepat Ratasuk
2013 arXiv   pre-print
a D2D-enabled air interface for LTE-based cellular networks.  ...  applications and services.  ...  for!radio! resource! management.! In! principle,! the! network! can! allocate! the! resources! either! in!every!5!seconds!are!reserved!for!discovery,!consuming!just!1%!of!the!network!capacity.! This!  ... 
arXiv:1310.0116v1 fatcat:gbj7n6ijpfazxgnehfgqh2ubpq

On Design of TDD for Joint Uplink and Downlink Resource Allocation in OFDMA-Based WiMax

Tijani Chahed, Salah-Eddine Elayoubi, Eitan Altman
2008 2008 IEEE 68th Vehicular Technology Conference  
In this paper, we study the joint design of uplink and downlink resources in OFDMA-based systems.  ...  We first analyze the interactions between uplink and downlink, due essentially to the usage of Time Division Duplexing (TDD) and the TCP ACK/NACKs.  ...  There is thus an increasing interest in designing efficient Radio Resource Management (RRM) schemes for these networks.  ... 
doi:10.1109/vetecf.2008.305 dblp:conf/vtc/ChahedEA08 fatcat:hkpnloeuprfizpirniuu3ltoqy

An Overview of Radio Resource Management in Relay-Enhanced OFDMA-Based Networks

Mohamed Salem, Abdulkareem Adinoyi, Mahmudur Rahman, Halim Yanikomeroglu, David Falconer, Young-Doo Kim, Eungsun Kim, Yoon-Chae Cheong
2010 IEEE Communications Surveys and Tutorials  
Researchers in both academia and industry have accepted OFDMA as the most appropriate air-interface for the emerging broadband wireless access networks and standards.  ...  To exploit such opportunities requires intelligent radio resource management (RRM) algorithms.  ...  In IEEE 802.16m, OFDMA in TDD has been used for both the downlink and uplink while OFDMA and single carrier frequency-division multiple access are the access schemes for the downlink and uplink of LTE,  ... 
doi:10.1109/surv.2010.032210.00071 fatcat:74kmkapkyraqtbj55vew7mrqwq

Fairness-Aware Joint Routing and Scheduling in OFDMA-Based Cellular Fixed Relay Networks

M. Salem, A. Adinoyi, M. Rahman, H. Yanikomeroglu, D. Falconer, Y.-D. Kim, W. Shin, E. Kim
2009 2009 IEEE International Conference on Communications  
This paper therefore provides a comprehensive RRM algorithm for OFDMA-based multi-cellular fixed relay networks in a way to ensure fairness among users with minimal impact on the network throughput (in  ...  The availability or lack thereof of efficient radio resource management (RRM) could make or mar the opportunities in these networks.  ...  It is imperative therefore to devise intelligent radio resource allocation and management to be able to harness the potentials in such networks.  ... 
doi:10.1109/icc.2009.5199024 dblp:conf/icc/SalemARYFKSK09 fatcat:vhgmq64d7baize3kg23qxp42me
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