2026-05-19T18:32:33Zhttps://keep.lib.asu.edu/oai/requestoai:keep.lib.asu.edu:node-1503372024-12-20T18:25:12Zoai_pmh:alloai_pmh:repo_items150337
https://hdl.handle.net/2286/R.I.14360
http://rightsstatements.org/vocab/InC/1.0/
All Rights Reserved
2011
vii, 56 p. : ill. (some col.)
Masters Thesis
Academic theses
eng
Zhao, Du
Reisslein, Martin
McGarry, Michael
Fowler, John
Arizona State University
Partial requirement for: M.S., Arizona State University, 2011
Includes bibliographical references (p. 54-56)
Field of study: Electrical engineering
Fiber-Wireless (FiWi) network is the future network configuration that uses optical fiber as backbone transmission media and enables wireless network for the end user. Our study focuses on the Dynamic Bandwidth Allocation (DBA) algorithm for EPON upstream transmission. DBA, if designed properly, can dramatically improve the packet transmission delay and overall bandwidth utilization. With new DBA components coming out in research, a comprehensive study of DBA is conducted in this thesis, adding in Double Phase Polling coupled with novel Limited with Share credits Excess distribution method. By conducting a series simulation of DBAs using different components, we found out that grant sizing has the strongest impact on average packet delay and grant scheduling also has a significant impact on the average packet delay; grant scheduling has the strongest impact on the stability limit or maximum achievable channel utilization. Whereas the grant sizing only has a modest impact on the stability limit; the SPD grant scheduling policy in the Double Phase Polling scheduling framework coupled with Limited with Share credits Excess distribution grant sizing produced both the lowest average packet delay and the highest stability limit.
Electrical Engineering
Industrial Engineering
DBA
EPON
Passive optical networks
FiWi access networks
Ethernet passive optical network dynamic bandwidth allocation study