نتایج جستجو برای: mobility number

تعداد نتایج: 1252170  

Journal: :CoRR 2014
Md. Ibrahim Chowdhury Mohammad Iqbal Naznin Sultana Faisal Rahman

Current mobility models for simultaneous mobility have their convolution in designing simultaneous movement where mobile nodes (MNs) travel randomly from the two adjacent cells at the same time and also have their complexity in the measurement of the occurrences of simultaneous handover. Simultaneous mobility problem incurs when two of the MNs start handover approximately at the same time. As S...

Journal: :Information, Knowledge, Systems Management 2008
Mary McDowell

This paper examines the evolution of the still-nascent business mobility ecosystem and its key drivers, such as consumer behavior, that shape the segment. It also explores the changing roles and relationships of the ecosystem’s key players; projections for growth in business mobility; and the value or ROI of business mobility. It offers advice to businesses that are considering business mobilit...

Journal: :Journal of physiotherapy 2012
Anna L Barker Jennifer C Nitz Nancy L Low Choy Terry P Haines

QUESTIONS What is the association between mobility and falls risk for people living in residential aged care? Can the Physical Mobility Scale discriminate between residents at risk of falling and those not at risk? DESIGN Prospective longitudinal observational study. SETTING Six residential aged care facilities in Australia. PARTICIPANTS Eighty-seven high- and low-level care permanent res...

2012
Bing Wang Lang Cao Hideyuki Suzuki Kazuyuki Aihara

With the help of mass media, people receive information concerning the status of an infectious disease to guide their mobility. Herein, we develop a theoretical framework to investigate the safety-information-driven human mobility with metapopulation epidemic dynamics. Individuals respond to the safety information of a city by taking safe moves (passing cities with a more number of healthy indi...

2004
Zainab R. Zaidi Brian L. Mark

In ad hoc networks, node mobility causes the network topology to change dynamically over time, which complicates important tasks such as routing and flow control. We propose a distributed scheme for accurately and efficiently tracking the mobility of nodes in ad hoc networks. A first-order autoregressive model is used to represent the evolution of the mobility state of each node, which consists...

Journal: :IEEE Trans. Vehicular Technology 2000
Tai Suk Kim Jae Kyun Kwon Dan Keun Sung

To efficiently plan future personal communications services, we need to solve various mobility/traffic problems in onedimensional (1-D), two-dimensional (2-D), and three-dimensional (3-D) microor pico-cell environments. Although many users exhibit vertical motion inside elevators in high-rise buildings, there have been no studies regarding cell planning which take into account vertical motion w...

Journal: :Analytical chemistry 2002
Anne E Counterman David E Clemmer

High-resolution ion mobility/time-of-flight techniques were used to measure collision cross sections for 968 tryptic digest peptide ions obtained from digestion of common proteins. Here, we report a mobility signature that aids in identifying proline-containing peptides containing 4-10 residues. Of 129 peptides (< or = 10 residues in length) in the database that contain proline residues, 57% sh...

2016
Rachel E. Ward Marla K. Beauchamp Nancy K. Latham Suzanne G. Leveille Sanja Percac-Lima Laura Kurlinski Pengsheng Ni Richard Goldstein Alan M. Jette Jonathan F. Bean

OBJECTIVES To validate trajectories of late-life mobility change using a novel approach designed to overcome the constraints of modest sample size and few follow-up time points. METHODS Using clinical reasoning and distribution-based methodology, we identified trajectories of mobility change (Late Life Function and Disability Instrument) across 2 years in 391 participants age ≥65 years from a...

Journal: :Journal of epidemiology and community health 2014
Charlotte Juul Nilsson Volkert Siersma Minna Mänty Kirsten Avlund Mikkel Vass Rikke Lund

BACKGROUND Mobility-related fatigue and low socioeconomic position predicts mobility limitations and disability in old age, but the interplay between these two factors is unknown. To evaluate whether mobility-related fatigue is a stronger risk factor for mobility limitations in certain socioeconomic groups, the aim of this study was to examine the combined effect of mobility-related fatigue and...

2003
Shonali Krishnaswamy Seng Wai Loke

1. PROBLEM STATEMENT – METHODOLOGICAL SUPPORT FOR SYSTEMS WITH AGENT MOBILITY? A property of agents is the ability to move from one host to another to perform computations. While not all agents require such a property, agent mobility has been recognized as beneficial in a number of applications and a sizable number of mobile agent toolkits have been developed for mobile multiagent applications....

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