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Delay-throughput analysis of inter- and intra-MAN voice and data integrated traffic in IEEE 802.6 MAN based PCN

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Title: Delay-throughput analysis of inter- and intra-MAN voice and data integrated traffic in IEEE 802.6 MAN based PCN
Author: Wong, William Y. L.
Degree Master of Applied Science - MASc
Program Electrical and Computer Engineering
Copyright Date: 1995
Abstract: This thesis focuses on a proposed IEEE 802.6 Metropolitan Area Network (MAN) based distributed communication architecture for supporting the Personal Communication Services (PCS). Future-generation telecommunications systems are intended to combine all kinds of networks (wireline or wireless) and services (data, voice, video, graphics, etc.) into one single universal personal communications system. An IEEE 802.6 MAN-based distributed Personal Communication Network (PCN) architecture is introduced in this thesis, and network performance analysis based on this architecture is presented. Isochronous (voice) traffic will be transported by high priority queue-arbitrate (QA) slots instead of by using the more conventional pre-arbitrated (PA) slots. Consequently, the highest priority QA slots will be used to transport signaling traffic while the lowest priority QA slots will be used to transport data traffic. Since analytical models are not available, simulation models have been developed to evaluate the transmission delay of voice and data packets for both inter- and intra-MAN traffic. From these simulation models, nodal transmission delay is found to be depended on the physical location of the transmitting node and traffic levels within the network. Inter-MAN traffic nodal transmission delay is additionally dependent on the connection scheme of homogeneous bridges which interconnect different MANs. With CCITT Q.931 used as the signaling protocol for call setup, the QA access for isochronous traffic (QAAIT) call setup and clearing is simpler and faster than the PA access for isochronous traffic (PAAIT), QA access avoids specific channel allocation and call clearing. Although QAAIT has its advantages in call setup and clearing, its use under light traffic load only is advised. Under heavy traffic loads PAAIT is advised, since the later case provides bounded packet transmission delay at all times by controlling network call access.
URI: http://hdl.handle.net/2429/3551
Series/Report no. UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]

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