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ICSA Colloquium Talk

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"Wireless Convergence: A Test and Measurement Perspective" Francisco Garcia Agilent

What
  • Colloquium Series
When Jan 23, 2008
from 03:30 PM to 04:30 PM
Where JCMB, ROOM 2511
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Francisco Garcia
Agilent

Wireless Convergence: A Test and Measurement Perspective

 

Wireless and cellular communications are rapidly converging and it is clear that they will be the predominant access networks of the future. With ubiquitous computing and wireless sensor networks, embedding computation and communications into everyday objects further fueling the growth in wireless communications. Traffic will flow between devices, sensors and smart objects as well as users. Convergence today is primarily driven by the ever growing needs of demanding mobile users, services and applications. No single wireless technology can today meet high bandwidth, high mobility, wide coverage area and low cost simultaneously. The diversity in service demands by mobile users have to be met while the user seamlessly roams across heterogeneous wireless networks ensuring that the best access technology is available at all times. This poses great challenges for the seamless integration of radio technologies:

 

  • Each radio access technology differs in cell size, from a few square meters to hundreds of kilometers with overlapping coverage areas;
  • They employ different architectures and protocols for routing, transport and mobility management;
  • They employ different authentication, key management and encryption schemes;
  • Different service demands are made upon them by mobile users ranging from low-data-rate non real-time applications, to high-speed real-time multimedia applications.

Add to this all ready challenging landscape, many other unresolved challenges which stem from basic research in wireless communications, such as spectrum sharing and resource allocation; efficient cross-layer operation; to new multiple modality devices that can utilize a number of different wireless technologies simultaneously or interactively. Mobility assurance is a program of work that is attempting, from a measurement science perspective, to address these challenges. This talk will address these challenges and give an overview of what Agilent Labs in South Queensferry aims to do in the mobility assurance space.

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