In this paper, optimization procedures based on particle swarm optimization (PSO) are investigated, aiming to efficiently solve the optimal resource allocation for signal-to-noise plus interference ratio (SNIR) optimization of optical code paths (OCPs) from wavelength division multiplexing/optical code division multiplexing (WDM/OCDM) considering imperfections on physical layer. The characteris...

Children treated for cancer are at increased risk of developing chronic health conditions, some of which may manifest during or soon after treatment while others emerge many years after therapy. These health problems may limit physical performance and functional capacity, interfering with participation in work, social, and recreational activities. In this review, we discuss treatment-induced im...

This paper focuses on the integration of Internet and Wireless LANs (WLANs) and proposes a novel technique that supports seamless and efficient integration. This technique is based on a generic adaptation layer, referred to as Wireless Adaptation Layer (WAL), which is introduced between the IP layer and the WLAN Link Layer. WAL is designed to (i) dynamically cope with the wireless channel impai...

BACKGROUND Many school-aged children suffer physical and mental impairments which can adversely affect their development and result in significant morbidity. A high proportion of children in western countries attend pre-school, and it is likely that the preschool environment influences the prevalence and severity of these impairments. Currently there is insufficient data available on the preval...

P atients, their families, and physicians are increasingly concerned with cognitive, functional, and psychological outcomes of chronic and acute medical conditions. This has lead to increased emphasis on patient-reported outcomes (PROs), such as quality of life (QoL), depression, anxiety and functional and cognitive status, in observational studies. In addition, the consolidated standards of re...

For the elderly, sensory impairments increase vulnerability and limit the quality of life. Dimming eyesight and failing hearing can reduce physical, functional, emotional, and social well-being. Visual and hearing impairments decrease independence in performing the activities of daily living, getting from place to place, or communicating with others. Isolation, depression, and poorer social rel...

BACKGROUND we sought to describe the characteristics of physical activity levels, health, community integration, and social participation of people with mobility impairments. METHODS based on responses to a participation survey, respondents, located primarily in the Midwestern United States, were divided into 3 physical activity groups: high, low, and inactive. We chose a purposeful sample of...

Transparent All Optical Networks carry huge traffic and any link failure can cause the loss of gigabits of data; hence protection and its guarantee becomes necessary at the time of failure. Many protection schemes were presented in the literature, but none of them speaks about protection guarantee. Also, in all optical networks, due to absence of  regeneration capabilities, the physical layer i...

For the elderly, sensory impairments increase vulnerability and limit the quality of life. Dimming eyesight and failing hearing can reduce physical, functional, emotional, and social well-being. Visual and hearing impairments decrease independence in performing the activities of daily living, getting from place to place, or communicating with others. Isolation, depression, and poorer social rel...

Title of Dissertation: PHYSICAL LAYER ISSUES AND CROSSLAYER DESIGN IN WIRELESS NETWORKS Yun Li, Doctor of Philosophy, 2004 Dissertation Directed By: Professor Anthony Ephremides, Department of Electrical and Computer Engineering Comparing to wired networks, wireless networks have some special features in the physical layer, medium access control (MAC) layer, and the network layer. This work dis...