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Multiple regression analysis of IEEE 802.16j relay network throughput

Kohei Higo, Go Hasegawa, Yoshiaki Taniguchi, Hirotaka Nakano, Morito Matsuoka
2014 16th International Conference on Advanced Communication Technology  
In IEEE 802.16j relay networks, time division multiple access (TDMA) is adopted for sharing wireless network resources while avoiding radio wave interference.  ...  In this paper, we present the results of multiple regression analysis of IEEE 802.16j relay network throughput.  ...  In relay networks, time division multiple access (TDMA) is adopted for sharing wireless network resources, where time slots for communication are assigned to wireless links between relay nodes [4] -  ... 
doi:10.1109/icact.2014.6778998 fatcat:n3c3nn7iafbvzh5b3q2ltaojze

Adaptive Scheduling of Prioritized Traffic in IEEE 802.16j Wireless Networks

Debalina Ghosh, Ashima Gupta, Prasant Mohapatra
2009 2009 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications  
In this paper we propose an adaptive scheduling algorithm for IEEE 802.16j based wireless broadband networks.  ...  Computation of an optimal schedule for prioritized traffic in OFDMA based IEEE 802.16 wireless network is an NP-Hard problem.  ...  In this paper we addressed the problem of an adaptive scheduling algorithm for IEEE 802.16j based wireless broadband networks. We presented a heuristic algorithm, the OFDMA Relay Scheduler (ORS).  ... 
doi:10.1109/wimob.2009.59 dblp:conf/wimob/GhoshGM09 fatcat:mviqwuqsybbtzgeyqr6zfgf2ca

Efficient resource allocation for energy conservation in uplink transmissions of IEEE 802.16j transparent relay networks

Jia-Ming Liang, You-Chiun Wang, Jen-Jee Chen, Jui-Hsiang Liu, Yu-Chee Tseng
2010 Proceedings of the 13th ACM international conference on Modeling, analysis, and simulation of wireless and mobile systems - MSWIM '10  
By introducing the relay capability, the IEEE 802.16j standard is developed to improve the WiMAX performance.  ...  Simulation results show that our heuristic can save up to 80% of MSs' energy as compared with existing work.  ...  For 802.16j networks, the research efforts in [2, 18, 19] evaluating the 802.16j network capacity. The studies [12, 13, 15] address the RS placement problem to improve network performance.  ... 
doi:10.1145/1868521.1868552 dblp:conf/mswim/LiangWCLT10 fatcat:v7hpgpiml5eqhdhrkky52clf2i

Energy-efficient uplink resource allocation for IEEE 802.16j transparent-relay networks

Jia-Ming Liang, You-Chiun Wang, Jen-Jee Chen, Jui-Hsiang Liu, Yu-Chee Tseng
2011 Computer Networks  
The IEEE 802.16j standard is defined to enhance WiMAX networks with relay capacity.  ...  In this paper, we consider the energy-conserved resource allocation problem in the uplink direction of an IEEE 802.16j network under the transparent mode.  ...  This will be discussed in Section 3.1. In the literature, several studies [7] [8] [9] [10] evaluate the network capacity of an IEEE 802.16j network. Refs.  ... 
doi:10.1016/j.comnet.2011.04.021 fatcat:dg6666dc7ncabeehumai5cpq2y

Scheduling in multihop WiMAX networks

Debalina Ghosh, Ashima Gupta, Prasant Mohapatra
2008 ACM SIGMOBILE Mobile Computing and Communications Review  
There are two kinds of multihop WiMAX networks -WiMAX mesh and Mobile Multihop Relay Networks. Scheduling is very important in both of these multihop WiMAX networks.  ...  IEEE 802.16, popularly known as WiMAX, is at the forefront of the technology drive because of the growing demand for high-speed wireless broadband networks.  ...  Flow based heuristic admission control and scheduling algorithms for multi-hop WiMAX networks are proposed and compared in [12] .  ... 
doi:10.1145/1394555.1394557 fatcat:3jifdupqibdkvdnmp3ysolwj2u

Fairness and QoS-Based Resource Allocation in Multihop Relay Networks

Tolga Girici
2009 2009 IEEE Wireless Communications and Networking Conference  
In this paper we study the problem of subframe, subchannel and power allocation in OFDMA-based multihop relay networks.  ...  The system consists of a base station (BS), a number of relay stations (RS) and mobile stations (MS).  ...  The results of this research is applicable to mobile multihop relay (MMR) networks that are recently being standardized as IEEE 802.16j.  ... 
doi:10.1109/wcnc.2009.4917721 dblp:conf/wcnc/Girici09 fatcat:x6agzvqjjvghxbk5wqntfzdvgy

A Comprehensive Survey on WiMAX Scheduling Approaches [chapter]

Lamia Chaari, Ahlem Saddoud, Rihab Maaloul, Lotfi Kamou
2012 Quality of Service and Resource Allocation in WiMAX  
Where P k,n is the power assigned per subcarrier per user. www.intechopen.com IEEE 802.16j scheduling Unlike in single hop networks, in a Mobile Multihop Relays (MMR) system (Standard, 2008) , service  ...  within a zone and adapting to changing link conditions in IEEE 802.16j networks.  ... 
doi:10.5772/29971 fatcat:6grrr75uk5bxhejcsxsvxpg65i

Optimal radio resource management in multihop relay networks

Tolga Girici, Chenxi Zhu, Jonathan Agre, Anthony Ephremides
2008 2008 6th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks and Workshops  
Mobile multihop relay networks (MMR) use relay stations (RS) to extend or enhance the coverage of a base station (BS) in a broadband cellular network.  ...  This work develops an optimization based approach for radio resource management in MMR networks supporting heterogeneous traffic.  ...  We numerically evaluate the proposed algorithm in Section V and compare its performance with that of the algorithm previously proposed for a network of single BS in [7] . II.  ... 
doi:10.1109/wiopt.2008.4586105 dblp:conf/wiopt/GiriciZAE08 fatcat:mm3xsypm5revpkruoskd6nuu6q

Admission Control and Interference-Aware Scheduling in Multi-hop WiMAX Networks

Debalina Ghosh, Ashima Gupta, Prasant Mohapatra
2007 2007 IEEE Internatonal Conference on Mobile Adhoc and Sensor Systems  
We propose efficient heuristic algorithms for scheduling flows in a centrally scheduled multi-hop WiMAX network.  ...  Providing QoS in multi-hop WiMAX networks such as WiMAX mesh or mobile multi-hop relay networks is challenging as multiple links can interfere with each other if they are scheduled at the same time.  ...  The newly formed IEEE 802.16j working group is focusing on mobile multihop relay (MMR) networks that will enable multi-hop communication in mobile WiMAX (IEEE 802.16e) networks.  ... 
doi:10.1109/mobhoc.2007.4428653 dblp:conf/mass/GhoshGM07 fatcat:ymvg4jztdrftnk357ruiesripy

Parameter Tuning of the Protocol Interference Model Using SINR for Time Slot Assignment in Wireless Mesh Networks

Gyeongyeon KANG, Yoshiaki TANIGUCHI, Go HASEGAWA, Hirotaka NAKANO
2011 IEICE transactions on information and systems  
Specifically, after assigning time slots to links based on the protocol interference model with various interference ratios, which is the major parameter of the protocol interference model, we compare  ...  relationships should be considered when time slots are assigned to links.  ...  Acknowledgments This work was partly supported by the Grant-in-Aid for Young Scientists (B) 21700075 of the Ministry of Education, Culture, Sports, Science and Technology in Japan.  ... 
doi:10.1587/transinf.e94.d.2191 fatcat:lrkp7es72bhpjlkl3qq3fk2iym

Near-Optimal Relay Station Placement for Power Minimization in WiMAX Networks

Dejun Yang, Xi Fang, Guoliang Xue
2011 2011 IEEE Global Telecommunications Conference - GLOBECOM 2011  
In the IEEE 802.16 standard, the relay station has been introduced to increase the coverage and the throughput of WiMAX networks.  ...  In this paper, we study the relay station placement problem in the WiMAX network, with the cooperative communication as the relaying strategy.  ...  in the second time slot.  ... 
doi:10.1109/glocom.2011.6134266 dblp:conf/globecom/YangFX11 fatcat:t7xp4kf35rbo3bt2pij55whlyq

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  
Although a number of publications have highlighted the important and challenging issues involved in designing RRM algorithms for OFDMA networks, only recently a number of papers have investigated relay-enhanced  ...  The combination of OFDMA with relaying techniques provides rich opportunities for cost-effective and high-performance networks.  ...  Relays behave like a WS in uplink and feedback to the BS the ratecontrol information, as well as the queue size information for the assigned WS for each time slot.  ... 
doi:10.1109/surv.2010.032210.00071 fatcat:74kmkapkyraqtbj55vew7mrqwq

Cooperative Relay for Cognitive Radio Networks

J. Jia, J. Zhang, Q. Zhang
2009 IEEE INFOCOM 2009 - The 28th Conference on Computer Communications  
This full text paper was peer reviewed at the direction of IEEE Communications Society subject matter experts for publication in the IEEE INFOCOM 2009 proceedings. 978-1-4244-3513-5/09/$25.00 ©2009 IEEE  ...  The heterogeneity of both spectrum availability and traffic demand in secondary users has brought significant challenge for efficient spectrum allocation in cognitive radio networks.  ...  In cellular networks, relay is used to increase reliability as well as enlarge the coverage range [17] , for example repeaters in cellular networks and relays in IEEE 802.16j WiMAX system.  ... 
doi:10.1109/infcom.2009.5062156 dblp:conf/infocom/JiaZZ09 fatcat:cdtdbwpdyzgs7fqh7gbevu3lti

Optimal Channel and Relay Assignment in OFDM-Based Multi-Relay Multi-Pair Two-Way Communication Networks

Yuan Liu, Meixia Tao
2012 IEEE Transactions on Communications  
Simulation studies are carried out to evaluate the network total throughput versus transmit power per node and the number of relay nodes.  ...  The joint optimization of channel and relay assignment, including subcarrier pairing, subcarrier allocation as well as relay selection, for total throughput maximization is formulated as a combinatorial  ...  Recently, we proposed a three-time-slot time-division duplex transmission protocol for bidirectional OFDMA cellular networks in [7] , where the joint optimization of subcarrier-pairing based bidirectional  ... 
doi:10.1109/tcomm.2011.102011.100277 fatcat:okrj7ltkgzf6rna7alezvdj5fe

Relay Selection and Resource Allocation for Multi-User Cooperative OFDMA Networks

Md Shamsul Alam, Jon W. Mark, Xuemin Sherman Shen
2013 IEEE Transactions on Wireless Communications  
A quality of service (QoS) aware optimal relay selection, power allocation and subcarrier assignment scheme under a total power constraint is proposed.  ...  The relay selection, power allocation and subcarrier assignment problem is formulated as a joint optimization problem with the objective of maximizing the system throughput, which is solved by means of  ...  The system model is shown in Fig. 1 . The network model described here can be used to model the uplink system of relay-based LTE-A 1 and IEEE 802.16j networks.  ... 
doi:10.1109/twc.2013.032113.120652 fatcat:ap2snvcytfacnecjnjafxiosai
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