Index Catalog // ScholarsArchive@OSU

Adaptive Streaming Methods using Dual Protocols and Reinforcement Learning

Creator:: Gatimu, Kevin
Abstract:: The ubiquity of high quality video and proliferation of mobile devices has contributed to an unprecedented rise in video consumption. HTTP, in conjunction with adaptive streaming, has become the de facto mechanism for delivering the vast majority of video as it readily caters to heterogeneous networks and devices. This dissertation...
Resource Type:: Dissertation

Power Efficient Architectures for Medium-high Resolution Analog-to-Digital Converters

Creator:: Sadollahi, Mahmoud
Abstract:: Analog-to-digital converters are essential components to the portable devices that we are using today. Wireless sensors, body implanted devices, communication devices and so forth require low power ADCs. Therefore achieving higher resolution and bandwidth with lower power consumption is targeted in ADCs design. In this work power efficient ADCs for...
Resource Type:: Dissertation

Linearity enhancement techniques for data converters

Creator:: Cao, Jinzhou
Abstract:: Data converters are essential interface circuits between the analog world that people live in and the digital processors that people live with. Linearity, which often is a tradeoff against other performance criteria, is one of the major performance demands from applications for both analog-to-digital converts (ADC) and digital-to-analog converters (DAC)....
Resource Type:: Dissertation

Resource allocation methods for quality-of-service provisioning in heterogeneous wireless networks

Creator:: Chakchouk, Nessrine
Abstract:: The increased use of mobile wireless devices that we have recently been witnessing, such as smartphones, tablets, e-readers, and WiFi enabled devices in general, is driving an unprecedented increase in the amount of data traffic. This fast market adoption of the wireless technology along with the tremendous success of multimedia...
Resource Type:: Dissertation

Spatial motion vector recovery in wireless high deﬁnition video transmission using H.264 over WLANs

Creator:: Gatimu, Kevin
Abstract:: Mobile devices are becoming more prevalent and complex. As a result, the wireless communication aspect of these devices is becoming increasingly signiﬁcant. At the same time, video demands in terms of availability and quality are also on the uprise. High deﬁnition (HD) video is the standard of choice for meeting...
Resource Type:: Masters Thesis

Analysis and design on low-power multi-Gb/s serial links

Creator:: Hu, Kangmin
Abstract:: High speed serial links are critical components for addressing the growing demand for I/O bandwidth in next-generation computing applications, such as many-core systems, backplane and optical data communications. Due to continued process scaling and circuit innovations, today's CMOS serial link transceivers can achieve tens of Gb/s per pin. However, most...
Resource Type:: Dissertation

Energy-efficient, short-range ultra-wideband radio transceivers

Creator:: Hu, Changhui
Abstract:: Short-range wireless communications continually attract interest from both industry and academia, and it is changing our life in every aspect in the last decade. The design of wireless transceivers is the bottleneck for variety applications, due to RF modeling inaccuracy, stringent FCC regulations over the transmitted power spectrum, interference, multi-path...
Resource Type:: Dissertation

Measurement and characterization of ultra-wideband wireless interconnects within active computing systems

Creator:: Woracheewan, Sirikarn
Abstract:: Ultra-wideband (UWB) radio has become an attractive alternative for wireless communications due to the robustness to multipath fading, low power transmission, mostly-digital implementation, and low cost. Furthermore, short-range, high data-rates applications are possible with UWB radios due to the wide spectral allocations at 3.1 - 10.6 GHz. This thesis presents...
Resource Type:: Masters Thesis

Opportunistic bandwidth sharing through reinforcement learning

Creator:: Venkatraman, Pavithra
Abstract:: The enormous success of wireless technology has recently led to an explosive demand for, and hence a shortage of, bandwidth resources. This expected shortage problem is reported to be primarily due to the inefficient, static nature of current spectrum allocation methods. As an initial step towards solving this shortage problem,...
Resource Type:: Masters Thesis

Low-complexity high-speed VLSI design of low-density parity-check decoders

Creator:: Cui, Zhiqiang
Abstract:: Low-Density Parity-check (LDPC) codes have attracted considerable attention due to their capacity approaching performance over AWGN channel and highly parallelizable decoding schemes. They have been considered in a variety of industry standards for the next generation communication systems. In general, LDPC codes achieve outstanding performance with large codeword lengths (e.g.,...
Resource Type:: Dissertation

Single-level dynamic register caching architecture for high-performance superscalar processors

Creator:: Liebert, John A.
Abstract:: The amount of instruction level parallelism (ILP) that can be exploited depends greatly on the size of the instruction window and the number of in-flight instructions the processor can support. However, this requires a register file with a large set of physical registers for renaming and multiple ports to provide...
Resource Type:: Masters Thesis

A channelized digital receiver design for UWB sytems in a multipath indoor environment

Creator:: Chang, Yuhao
Abstract:: This thesis presents a channelized digital receiver design for UWB sytems in a multipath indoor environment. The UWB technology has been used for commercial and military purposes due to a number of advantages such as low-power consumption, noise-like and carrier free. The energy of UWB signal is spread over a...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Adaptive Streaming Methods using Dual Protocols and Reinforcement Learning

Power Efficient Architectures for Medium-high Resolution Analog-to-Digital Converters

Linearity enhancement techniques for data converters

Resource allocation methods for quality-of-service provisioning in heterogeneous wireless networks

Spatial motion vector recovery in wireless high deﬁnition video transmission using H.264 over WLANs

Analysis and design on low-power multi-Gb/s serial links

Energy-efficient, short-range ultra-wideband radio transceivers

Measurement and characterization of ultra-wideband wireless interconnects within active computing systems

Opportunistic bandwidth sharing through reinforcement learning

Low-complexity high-speed VLSI design of low-density parity-check decoders

Single-level dynamic register caching architecture for high-performance superscalar processors

A channelized digital receiver design for UWB sytems in a multipath indoor environment

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