Index Catalog // ScholarsArchive@OSU

An implementation of a reliable broadcast scheme for 802.11 using network coding

Creator:: Edgecombe, Richard
Abstract:: Forward Error Correction and retransmission are two approaches used to reliably broadcast data in a network with poor quality of service. Taking some assumptions, it has been suggested that a retransmission based reliable broadcasting scheme using network coding should in theory provide an increase in bandwidth efficiency by combining packets...
Resource Type:: Masters Thesis
Full Text:: . Graph of timing of the initial transmission phase for Bulk ACK version .................. 42 17

Subwavelength light confinement and quantum chaos in micro- and nano-structured metamaterials

Creator:: Govyadinov, Alexander A.
Abstract:: This dissertation concerns a broad range of unique phenomena related to the light propagation at nano- and micro-scales. To access the nano-domain, we introduce anisotropy-based waveguides with positive- and negative-index modes. These novel structures allow energy propagation in subwavelength regions and, in contrast to surface waves, have the mode structure...
Resource Type:: Dissertation
Full Text:: homogenization techniques for light transmission through these systems. Our numerical simulations demonstrate

Multi-antenna OFDM systems in the presence of phase noise and doubly-selective fading

Creator:: Zhang, Yu
Abstract:: Orthogonal frequency division multiplexing (OFDM), which has been very attractive for future high rate wireless communications, is very robust to channel multipath fading effect while providing high transmission data rate with high spectral efficiency. Multiple antennas can be combined with OFDM to increase diversity gain and to improve spectral efficiency...
Resource Type:: Dissertation
Full Text:: providing high transmission data rate with high spectral ef- ficiency. Multiple antennas can be combined

Effects of release from suppression on hydraulic architecture, photosynthetic capacity and functional wood characteristics in Douglas-fir and western hemlock

Creator:: Renninger, Heidi
Abstract:: Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), a shade intolerant species, and western hemlock (Tsuga heterophylla (Raf.) Sarg.), a shade tolerant species, were compared to learn more about the temporal pattern of release from suppression in both species, whether hydraulic architecture or photosynthetic capacity constrain release and how wood functional properties change...
Resource Type:: Masters Thesis
Full Text:: suppressed trees and did not exhibit photoinhibition at the highest light levels. Hydraulic architecture

Fiber Bragg grating-tunable diode laser

Creator:: Ericksen, Doug
Abstract:: Continuously tunable diode laser sources coupled to single-mode fiber are useful sources for fiber Bragg grating (FBG) strain sensors. This paper describes the development and fabrication of such a device. An introduction is given describing applications of tunable lasers and some of the different methods of creating a tunable diode...
Resource Type:: Masters Thesis
Full Text:: anti-reflection coated with a single layer SiO coating making it nearly a super-luminescent light

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

Creator:: Kavanaugh, Maria T.
Abstract:: Previous observations of light levels and phytoplankton abundances along the Oregon coast demonstrated that phytoplankton attenuated light sufficiently to potentially limit the growth of intertidal macrophytes and therefore structure local intertidal communities. Inspired by this observation, in spring 2004, I initiated a study to quantify the direct and indirect benthic...
Resource Type:: Masters Thesis
Full Text:: light levels and phytoplankton abundances along the Oregon coast demonstrated that phytoplankton

Epidemiological implications of sporozoite aggregation in malaria vectors

Creator:: Li, Xiaohong, 1963-
Abstract:: This study describes and quantifies some microprocesses of malaria transmission including blood vessel location by Anopheles stephensi and sporozoites delivery of An. stephensi infected by Plasmodium berghei. The study models the effects of malaria parasite-induced changes in probing behavior and mosquito mortality on disease transmisson. Finally, host, vector, and parasitological...
Resource Type:: Dissertation
Full Text:: describes and quantifies some microprocesses of malaria transmission including blood vessel location by

Comparison of broiler performance and economics in conventional and light-tight floor pen houses with continuous and intermittent light programs

Creator:: Feltmann, Allen John, Nakaue, Harry Sadao, 1932-, and Oregon State University. Agricultural Experiment Station
Abstract:: Broilers grown in a conventional-type house under natural lighting with intermittent lighting at night were compared to continuous (24-hour) lighting in two experiments. Broiler growth and feed conversion at seven weeks were not affected by treatments in either experiment. Economic evaluation of the different treatments showed savings ranging from 2.43...
Resource Type:: Technical Report
Full Text:: Light-Tight Floor Pen Houses with Continuous and Intermittent Light Programs Special Report 612 April

Potential health hazards associated with the disposal of sewage sludge on agricultural soils in western Oregon

Creator:: Hagedorn, Charles
Resource Type:: Technical Report

Johnston Island light scattering and transmission data : a data report

Creator:: Beardsley, G. F., Jr., Hodgson, R. T., Zaneveld, J. R. V., and Smith, Robert L.
Abstract:: The data contained in this report represents over 3000 individual scattering measurements taken in the equatorial Pacific in the vicinity of Johnston Island. The purpose of the measurements was to obtain data that would aid in the determination of a correct model for the mixing processes in the vicinity of...
Resource Type:: Technical Report
Full Text:: University Corvallis, Oregon JOHNSTON ISLAND LIGHT SCATTERING AND TRANSMISSION DATA A Data Report by G. F

ScholarsArchive@OSU

An implementation of a reliable broadcast scheme for 802.11 using network coding

Subwavelength light confinement and quantum chaos in micro- and nano-structured metamaterials

Multi-antenna OFDM systems in the presence of phase noise and doubly-selective fading

Effects of release from suppression on hydraulic architecture, photosynthetic capacity and functional wood characteristics in Douglas-fir and western hemlock

Fiber Bragg grating-tunable diode laser

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

Epidemiological implications of sporozoite aggregation in malaria vectors

Comparison of broiler performance and economics in conventional and light-tight floor pen houses with continuous and intermittent light programs

Potential health hazards associated with the disposal of sewage sludge on agricultural soils in western Oregon

Johnston Island light scattering and transmission data : a data report

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