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Low-overhead Scheduling Algorithms for OFDMA Relay Networks

Karthikeyan Sundaresan, Xiaodong Wang, Mohammad Madihian
2008 Proceedings of the 4th International ICST Conference on Wireless Internet  
Relay-enabled cellular networks, marked by their adoption in IEEE 802.16j standard, have become a viable candidate in such an endeavor.  ...  The proposed solutions improve performance over conventional approaches by over 50% along with a scalable feedback overhead that grows only with the number of relays in the network and not with the number  ...  Such relay-enabled networks have been shown to provide improved capacity and coverage over the conventional cellular networks [1, 2] , contributing to their adoption in the IEEE 802.16j relay task group  ... 
doi:10.4108/icst.wicon2008.4938 dblp:conf/wicon/SundaresanWM08 fatcat:3dizwniz3ncapkh6goifcgp2hy

New combined WiMAX/DSRC infrastructure design for efficient vehicular networking

Nabih Jaber, Nicholas C Doyle, Kemal E Tepe
2012 EURASIP Journal on Wireless Communications and Networking  
We plotted the throughput of various cluster sizes of WiMAX only mobile relay, versus our proposed DSRC-enabled WiMAX mobile relay in order to show the efficiency benefit of our design.  ...  In this article, a new infrastructure of a combined Worldwide Interoperability for Microwave Access (WiMAX) and Dedicated Short-Range Communications (DSRC) link layer is proposed with the purpose of reducing  ...  As defined in [6, 7] , the IEEE 802.16j amendment [5] introduces the relay station (RS) node.  ... 
doi:10.1186/1687-1499-2012-264 fatcat:pjh7r2smafdsblfphzpxxlp2gm

An Efficient Link Aware Route Selection Algorithm for WiMAX Mobile Multihop Relay Networks

N. Satiman, N. Fisal, N.N.M.I. Maarof, A.I.A. Zamani, S.K.S. Yusof
2011 International Journal of Computer Applications  
In this paper, we proposed a new route selection scheme named as Link Aware Route Selection Scheme (LARSS) for WiMAX Mobile Multi-hop Relay Networks aiming at maximizing network throughput and minimizing  ...  Through the simulation, our proposed scheme outperformed the existing scheme in term of throughput and end-to-end delay. General Terms Algorithms  ...  Research Group (TRG), Universiti Teknologi Malaysia for the support and advice.  ... 
doi:10.5120/3271-4438 fatcat:erhpp3drvfco5grolgx2vuplvi

Distributed scheduling schemes for wireless mesh networks

Kanthaiah Sivapragasam Vijayalayan, Aaron Harwood, Shanika Karunasekera
2013 ACM Computing Surveys  
An efficient scheduling scheme is a crucial part of Wireless Mesh Networks (WMNs)-an emerging communication infrastructure solution for autonomy, scalability, higher throughput, lower delay metrics, energy  ...  Distributed schedulers are preferred due to better scalability, smaller setup delays, smaller management overheads, no single point of failure, and for avoiding bottlenecks.  ...  On the other hand, in link scheduling, links (denoted by node pairs) are allocated with time slots with simultaneous allocations avoided for conflicting links.  ... 
doi:10.1145/2522968.2522982 fatcat:lcxr3yla35gsph54jpv4mgxebe

Modeling tools to evaluate the performance of wireless multi-hop networks [chapter]

Hakim Badis, Abderrezak Rachedi
2015 Modeling and Simulation of Computer Networks and Systems  
It is considered in the standardization process of next-generation mobile broadband communication systems such as 3GPP LTE-Advanced [6], IEEE 802.16j (mobile WiMax) [7], and IEEE 802.16m [8].  ...  For this reason, both singleantenna and multi-antenna communications in multi-hop networks are considred in this chapter. However, these capabilities cannot be fully leveraged at the same time.  ...  Using the clique constraints, the proposed solution for both graphs is 5 time slots for each link (0.5C).  ... 
doi:10.1016/b978-0-12-800887-4.00023-7 fatcat:z2rgoo4z6vdg5c5x7xcjdhhtne

TDM MAC protocol design and implementation for wireless mesh networks

Dimitrios Koutsonikolas, Theodoros Salonidis, Henrik Lundgren, Pascal LeGuyadec, Y. Charlie Hu, Irfan Sheriff
2008 Proceedings of the 2008 ACM CoNEXT Conference on - CONEXT '08  
Extensive research has been devoted to optimal scheduling algorithms for multi-hop wireless networks assuming a perfect TDM MAC protocol.  ...  We present the design, implementation, and evaluation of a Time Division Multiplex (TDM) MAC protocol for multihop wireless mesh networks using a programmable wireless platform.  ...  The IEEE 802.16j relay task group has extended the IEEE 802.16 standard to multi-hop TDM networks of tree structure, where children nodes recursively synchronize to preambles transmitted by their parent  ... 
doi:10.1145/1544012.1544040 dblp:conf/conext/KoutsonikolasSLLHS08 fatcat:trwpnpnlfna3lgucncao67c2ze

Cooperation Versus Multiplexing: Multicast Scheduling Algorithms for OFDMA Relay Networks

Karthikeyan Sundaresan, Sampath Rangarajan
2014 IEEE/ACM Transactions on Networking  
While unicast flows have received reasonable attention in two-hop OFDMA relay networks, not much light has been shed on the design of efficient scheduling algorithms for multicast flows.  ...  in the 4G standards (WiMAX 802.16j, 3GPP LTE-Adv).  ...  To address both models generically, it is sufficient to consider the problem with one time-slot per frame since channels in other time-slots can be considered as additional channels available to the time-slot  ... 
doi:10.1109/tnet.2013.2260353 fatcat:bjb7glsfbveydhb5zup56gpg6q

Cooperative Strategies and Optimal Scheduling for Tree Networks

A. de Baynast, O. Gurewitz, E. W. Knightly
2007 IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications  
In this paper, we develop and analyze a lowcomplexity cooperative protocol that significantly increases the average throughput of multi-hop upstream transmissions for wireless tree networks.  ...  We consider a system in which transmissions are assigned to nodes in a collision free, spatial time division fashion.  ...  For example, IEEE 802.16j mandates tree forwarding and IEEE 802.11s standardizes a tree-based routing protocol.  ... 
doi:10.1109/infcom.2007.216 dblp:conf/infocom/BaynastGK07 fatcat:i6brsroisbalzedvwgxsiagilq

A Survey on Scheduling in IEEE 802.16 Mesh Mode

Miray Kas, Burcu Yargicoglu, Ibrahim Korpeoglu, Ezhan Karasan
2010 IEEE Communications Surveys and Tutorials  
In 802.16 MAC protocol, mesh mode slot allocation and reservation mechanisms are left open which makes this topic a hot research area.  ...  IEEE 802.16 standard (also known as WiMAX) defines the wireless broadband network technology which aims to solve the so called last mile problem via providing high bandwidth Internet even to the rural  ...  In other words, the path between an MS and the BS may only contain RSs. In IEEE 802.16 mesh mode, similar to the 802.16j relay mode, SSs may have no direct link to BS.  ... 
doi:10.1109/surv.2010.021110.00053 fatcat:udbxjff74rfp7fcn7y6qg64mwu

A novel cross-layer mesh router placement scheme for wireless mesh networks

Tein-Yaw Chung, Hao-Chieh Chang, Hsiao-Chih George Lee
2011 EURASIP Journal on Wireless Communications and Networking  
Wireless mesh networks (WMNs) offer a great promise in supporting ubiquitous multimedia Internet access for mobile or fixed mesh clients (MCs).  ...  Coupled with our proposed novel tree-based minimal cost routing scheme and weight-based link assignment for user coverage, we are able to plan the design of WMNs efficiently.  ...  Agrawal for his precious comment and suggestion on this research work.  ... 
doi:10.1186/1687-1499-2011-134 fatcat:scga7ccljzbkpmczspfgib7mce

FemtoHaul: Using Femtocells with Relays to Increase Macrocell Backhaul Bandwidth

Ayaskant Rath, Sha Hua, Shivendra S. Panwar
2010 2010 INFOCOM IEEE Conference on Computer Communications Workshops  
In this paper, we propose a novel solution, FemtoHaul, which efficiently exploits the potential of femtocells to bear the macrocell backhaul traffic by using relays, enhancing the data rates of cellular  ...  The ever increasing user demand for highly dataintensive applications is motivating cellular operators to provide more data services.  ...  Note that the concept of relays has been accepted in standards such as IEEE 802.16j.  ... 
doi:10.1109/infcomw.2010.5466610 fatcat:sasdhwrqynfhfbfrbzp3f4zu34

An efficient DoF scheduling algorithm for multi-hop MIMO networks

Huacheng Zeng, Yi Shi, Y. Thomas Hou, Wenjing Lou
2013 2013 Proceedings IEEE INFOCOM  
In this paper, we investigate DoF scheduling for a multi-hop MIMO network based on this new DoF model.  ...  We show that our algorithm is amenable to local implementation and has polynomial time complexity.  ...  Lou was supported in part by NSF grants 1102013 (Hou), 0925719 (Hou), 1156311 (Lou) and 1156318 (Lou).  ... 
doi:10.1109/infcom.2013.6566950 dblp:conf/infocom/ZengSHL13 fatcat:7p2iqt46mzhuvhf3m4vx3q4qea

End-to-End Resource Allocation in OFDM Based Linear Multi-Hop Networks

X. Zhang, W. Jiao, M. Tao
2008 2008 Proceedings IEEE INFOCOM - The 27th Conference on Computer Communications  
We study the end-to-end resource allocation in an OFDM based multi-hop network consisting of a one-dimensional chain of nodes including a source, a destination, and multiple relays.  ...  used by each hop in every time frame.  ...  In fact, the OFDMbased relaying architecture has been accepted by current wireless standards, e.g. IEEE 802.16j.  ... 
doi:10.1109/infocom.2007.140 fatcat:ysk3a7uocveotjouduqddrbia4

A Scheduling Algorithm for MIMO DoF Allocation in Multi-Hop Networks

Huacheng Zeng, Yi Shi, Y. Thomas Hou, Wenjing Lou, Hanif D. Sherali, Rongbo Zhu, Scott F. Midkiff
2016 IEEE Transactions on Mobile Computing  
In this paper, we explore this question by studying DoF scheduling in a multi-hop MIMO network, with the objective of maximizing the minimum throughput among a set of sessions.  ...  Recently, a new MIMO degree-of-freedom (DoF) model was proposed to allocate DoF resources for spatial multiplexing (SM) and interference cancellation (IC) in a multi-hop network.  ...  network with acceptable overhead. • Control Channel: We assume there is a control channel for scheduling (e.g., IEEE 802.16j mobile multihop relay (MMR) networks [6] ) and the control channel consists  ... 
doi:10.1109/tmc.2015.2413788 fatcat:jg7vmbqcwfaaperdx7e6yilkjm

End-to-End Resource Allocation in OFDM Based Linear Multi-Hop Networks

X. Zhang, W. Jiao, M. Tao
2008 IEEE INFOCOM 2008 - The 27th Conference on Computer Communications  
We study the end-to-end resource allocation in an OFDM based multi-hop network consisting of a one-dimensional chain of nodes including a source, a destination, and multiple relays.  ...  used by each hop in every time frame.  ...  In fact, the OFDMbased relaying architecture has been accepted by current wireless standards, e.g. IEEE 802.16j.  ... 
doi:10.1109/infocom.2008.140 dblp:conf/infocom/ZhangJT08 fatcat:f2jnkdmbpjgpjniueyfkrchx5i
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