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Efficient and fine scheduling algorithm for bandwidth allocation in Ethernet passive optical networks
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- Chen, Biao (author)
- Centre for Optical and Electromagnetic Research, Joint Laboratory of Optical Communications, Zhejiang University, Hangzhou 310027, China
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- Chen, Jiajia (author)
- KTH,Fotonik,NEGONET
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- He, Sailing (author)
- KTH,Alfvénlaboratoriet
- (creator_code:org_t)
- 2006
- 2006
- English.
- In: IEEE Journal of Selected Topics in Quantum Electronics. - 1077-260X .- 1558-4542. ; 12:4, s. 653-660
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- A novel fine scheduling algorithm is introduced for upstream bandwidth allocation in an Ethernet-based passive optical network. This scheduling algorithm consists of an inter optical network unit (ONU) scheduler at the optical line terminal (OLT) and an intra-ONU scheduler at each ONU. In the inter-ONU scheduling, a novel GATE/REPORT approach is introduced to eliminate the unused remainders without transmission delay and maximize the utilization of bandwidth. Our novel intra-ONU scheduler gives fair bandwidth allocation to the queues of different priorities for each user in a hierarchical and decentralized way. Numerical results have shown that our overall scheduling algorithm can fulfill various requirements of delay and throughput for the transmission of multimedia traffic for each end user..
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- dynamic bandwidth allocation
- Ethernet passive optical network (EPON)
- hierarchical scheduling
- optical access technologies
- unused remainder
- ACCESS NETWORK
- SERVICE
- EPON
- PONS
- Telecommunication
- Telekommunikation
Publication and Content Type
- ref (subject category)
- art (subject category)
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