Mobility Modeling of Outdoor Scenarios for MANETs

Location modeling represents inclusive mobile objects and their relationship in space, dealing with how to describe a mobile object’s location. The goal of mobility modeling, on the other hand, is to predict or statistically estimate the movement of mobile objects. With the increasing demand for multimedia applications, location-aware services, and system capacity, many recognize that modeling and management of location and mobility is becoming critical to locating mobile objects in wireless information networks. Mobility modeling and location management strongly influence the design and performance of wireless networks in many aspects, such as routing, network planning, handoff, call admission control, and so forth. In this chapter, we present a comprehensive survey of mobility and location models, and schemes used for location-mobility management in cellular and ad hoc networks, which are discussed along with necessary, but understandable, formulation, analysis, and discussions.

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1998 W.A.E. McBryde Medal Lecture: Searching for the Holy Grail in analytical separations

Canadian Journal of Chemistry ◽

10.1139/v99-007 ◽

1999 ◽

Vol 77 (3) ◽

pp. 281-290 ◽

Cited By ~ 6

Author(s):

Charles A Lucy ◽

Ken K. -C Yeung ◽

Shilin Fu ◽

Dongmei Li ◽

Tracey L Henselwood ◽

...

Keyword(s):

Ionic Strength ◽

Capillary Zone Electrophoresis ◽

Electroosmotic Flow ◽

Mixed Surfactant ◽

Dielectric Friction ◽

Mobility Modeling ◽

Analytical Separations ◽

Zone Electrophoresis ◽

Capillary Zone ◽

Reversed Electroosmotic Flow

This paper describes the chemistry presented during the W.A.E. McBryde Medal address given at the 81st Chemistry in Canada Conference held in Whistler. The narrative chronicles our Quest to perform isotopic separations in the solution phase using as our Excalibur, capillary zone electrophoresis. The narrative takes you through the highs of our early success in separating 35Cl- and 37Cl-. This separation was achieved by adjusting the electroosmotic flow to be equal in magnitude but opposite in direction to the chloride mobility. The narrative then takes you through the dark days, when we could not extend the isotopic separations to cationic species or even explain why there was an isotopic effect on mobility. Since those dark days, we have made numerous discoveries that have aided our Quest. Firstly, the development of mixed surfactant wall coating procedures yielded control of the reversed electroosmotic flow. This control enabled us to perform isotopic separations of systems such as 15N-/14N-aniline and 15NH4+/14NH4+. In terms of understanding electrophoretic mobility, we demonstrate the importance of dielectric friction to mobility. Further, the effect of ionic strength in capillary zone electrophoresis is explained using the Pitts treatment, which is analogous to the extended Debye-Hückel equation for ionic activity. So, have we completed our Quest? Read on.Key words: capillary zone electrophoresis, isotopic, electroosmotic flow, mobility modeling, ionic strength.

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