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Scalable Architecture for Multihop Wireless ad Hoc Networks NASA's Jet Propulsion Laboratory, Pasadena, California
 

Summary: Scalable Architecture for Multihop Wireless ad Hoc Networks
NASA's Jet Propulsion Laboratory, Pasadena, California
May 01 2004
These networks could readily be expanded and reconfigured.
A scalable architecture for wireless digital data and voice communications via ad hoc networks has been
proposed. Although the details of the architecture and of its implementation in hardware and software
have yet to be developed, the broad outlines of the architecture are fairly clear: This architecture departs
from current commercial wireless communication architectures, which are characterized by low effective
bandwidth per user and are not well suited to low cost, rapid scaling in large metropolitan areas. This
architecture is inspired by a vision more akin to that of more than two dozen noncommercial community
wireless networking organizations established by volunteers in North America and several European
countries.
One of the basic principles of this architecture is that of a hierarchy of networks, built on local community
networking via shared resources (see figure), with enough flexibility to provide service on demand and to
enable growth as the need arises. In the proposed architecture, at least some users' wireless
communication units would serve as relay stations for other users' units, enabling any user within the
range of another, participating user to gain access to the local- and wider-area networks in a multihop
manner. The success of the architecture would depend heavily on the development of an energy-efficient,
multihop, ad hoc network routing protocol. This would ideally be implemented in reconfigurable hardware
to enable dynamic protocol "preferencing," and easy upgrades to potential future wireless protocol

  

Source: Arabshahi, Payman - Applied Physics Laboratory & Department of Electrical Engineering, University of Washington at Seattle

 

Collections: Engineering