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DTSTART;TZID=America/New_York:20210813T130000
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DTSTAMP:20260514T123027
CREATED:20210812T182126Z
LAST-MODIFIED:20210812T182126Z
UID:26988-1628859600-1628863200@coe.northeastern.edu
SUMMARY:ECE MS Thesis Defense: Rahul Bathini
DESCRIPTION:MS Thesis Defense: Distributed Containerized Wireless Systems \nRahul Bathini \nLocation: Zoom Link \nAbstract: Future wireless communication paradigms that will form the basis of 5G and beyond architectures will rely on the availability of network infrastructure as a service. In this approach\, the same radio and compute resources are partitioned to serve many users\, each of which may prioritize different performance metrics. Thus\, with the diversity of wireless services and applications\, the current ”one size fits all” network architecture is no longer an option. Indeed\, virtualization incorporates flexibility into the network architecture design to help meet the diverse application/user needs.\nIn this thesis we consider a shared compute resource that must support a number of wireless configuration options. We study the effects of CPU allocation alongside baseband (PHY Layer) configurations such as transmitter gain and Modulation and Coding Schemes (MCS)\, related to various performance metrics of containerized wireless communications systems. We analyze these results and quantify the trends to gain a better understanding of these multiple\, interconnected effects. Finally we propose a controller to provide a user with required QoS from pre-defined Service Set identifiers (SSIDs) given the limited availability of CPU resources. We implement this controller system using open-source baseband software and USRP N310 platforms provided in the COSMOS testbed
URL:https://coe.northeastern.edu/event/ece-ms-thesis-defense-rahul-bathini/
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DTSTART;TZID=America/New_York:20210813T130000
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DTSTAMP:20260514T123027
CREATED:20210812T182754Z
LAST-MODIFIED:20210812T182754Z
UID:26990-1628859600-1628863200@coe.northeastern.edu
SUMMARY:ECE MS Thesis Defense: Hafiyya Malik
DESCRIPTION:MS Thesis Defense: Studies for Improving Multi-channel Confocal Fluorescence Imagining in a Multi-modal Microscope \nHafiyya Malik \nLocation: Zoom Link \nMeeting ID: 988 8423 1362 Passcode: 399185 \nAbstract: The goal of this engineering thesis was to implement confocal fluorescence microscopy in an upgraded legacy electro-optical microscopy system for characterization of the viability of cells in biofilms. This application necessitated a 2-channel fluorescence measurement with the possible addition of confocal reflectance for context. Two major areas were addressed. First was the potential for using a silicon photomultiplier (SiPM) detector to replace the usual vacuum photomultiplier employed in confocal fluorescence microscope. A SiPM development board was purchased and tested to determine its performance at different light levels and in the presence of background light. The SiPM has the potential to be a more robust and reliable detector\, with the one disadvantage of a smaller area than some vacuum photomultipliers. The second area was the alignment of a long optical path that must include optics for complementary modes of imaging and allow for automated measurement across two spectral channels without loss of alignment. Alignment procedures were developed to simplify the process of alignment and a sliding stage was used to maintain alignment of two dichroic filters when changing channels. Based on this work\, multi-channel confocal fluorescence imaging in conjunction with confocal reflectance and bright-field microscope will be possible.
URL:https://coe.northeastern.edu/event/ece-ms-thesis-defense-hafiyya-malik/
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