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60 gHz MAC and network design
Descriptive
TitleInfo
Title
60 gHz MAC and network design
Name
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Chen
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Zhuo
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Zhuo Chen
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author
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Yates
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Roy D
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Roy D Yates
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chair
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Raychaudhuri
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Dipanka
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Dipanka Raychaudhuri
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Advisory Committee
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internal member
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Lindqvist
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Janne
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Janne Lindqvist
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Advisory Committee
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internal member
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Reininger
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Daniel
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Daniel Reininger
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Advisory Committee
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outside member
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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theses
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2016
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2016-01
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2016
Place
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xx
Language
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eng
Abstract
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Recent technology advances are poised to enable low-cost, low-power communications in the 7 GHz of unlicensed spectrum at 60 GHz millimeter wave (mmW) frequencies. However, mmW systems that meet the Gb/s data rate demands of wireless multimedia applications must overcome severe propagation effects, including high path loss and high diffraction loss. Consequently, nodes in the network will have to use directional antennas. The narrow main beam widths of directional antennas introduce design challenges for Medium Access Control (MAC) protocols but, at the same time, provide opportunities for routing protocols to improve the network capacity through better spatial reuse. The small wavelength of a 60 GHz signal can help to achieve high directional antenna gain, but it also precludes diffraction around humans, furniture, and similarly-sized objects. These obstacles penalize a 60 GHz link budget by 20-30dB. Therefore, when people are in motion, 60 GHz network links go on and off frequently due to human body blockage; this introduces new design challenges for both routing and transport protocols. In this dissertation, we propose solutions at the MAC and network layer to address the above challenges. In particular, we first propose an enhanced directional MAC (EDMAC) to resolve the unfairness and low channel utilization issues of deafness in directional MAC protocols for 60 GHz networks. We then study single path routing and find that shortest path routing often fails to exploit the high spatial reuse properties of directional antennas. We propose two heuristic routing algorithms, namely HOP-FP and FP-HOP, which combine the fattest-path (FP) and minimum-hop (HOP) metrics, with and without the consideration of interference. We then employ multipath routing for 60 GHz networks to fully utilize the high spatial reuse property of directional antennas. We develop an online node-disjoint path discovery process to find multiple node-disjoint paths between the source and the destination without knowledge of the global topology. In addition, we model the characteristics of link outages that are induced by pedestrian blockage. Based on analytic models and MATLAB simulation results, we show that link blockages can be mitigated by multipath routing schemes with blockage timers for broken paths. We use the ns-2 simulator to validate all proposed protocols in this dissertation.
Subject
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Topic
Electrical and Computer Engineering
Subject
(authority = ETD-LCSH)
Topic
Computer networks
Subject
(authority = ETD-LCSH)
Topic
Wireless communication systems
Subject
(authority = ETD-LCSH)
Topic
Millimeter wave communication systems
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Title
Rutgers University Electronic Theses and Dissertations
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ETD_6918
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (viii, 120 p. : ill.)
Note
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Ph.D.
Note
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Includes bibliographical references
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by Zhuo Chen
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Title
Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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Identifier
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doi:10.7282/T3DV1MZT
Genre
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ETD doctoral
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Chen
GivenName
Zhuo
Role
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Type
Permission or license
DateTime
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2015-12-16 15:35:22
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Name
zhuo chen
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Affiliation
Rutgers University. Graduate School - New Brunswick
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical
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windows xp
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