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Routing in Ad Hoc Networks with Position Trees
Charla
Charlista: Edgar Chávez, Universidad Michoacana, México.
Fecha: Jueves 7 de junio
Hora: 16.00 hrs.
Lugar: Auditorio, tercer piso. Departamento de Ciencias de la
Computación. Blanco Encalada n° 2120.
Esta charla será dictada en Castellano.
Resumen:
Sensor networks are wireless adhoc networks where all the nodes
cooperate for routing messages in the absence of a fixed infrastructure.
Non-flooding, guaranteed delivery routing protocols are preferred
because sensor networks have limited battery life. Location aware
routing protocols are good candidates for sensor network applications,
nevertheless they need either an external location service like
GPS or Galileo (which are bulky, energy consuming devices) or
internal location services providing non-unique virtual coordinates
leading to low delivery rates.
In this talk we introduce Position Trees a collision free, distributed
labeling algorithm based on hop counting, which embed a spanning
tree of the underlying network. The Routing with Position Trees
(RTP) is a guaranteed delivery, non-flooding, efficient implicit
routing protocol based on Position Trees. We show experimentally
that our algorithm is very competitive against state of the art
routing protocols based on both external and internal location
services.
Coordinación de Comunicaciones
Departamento de Ciencias de la Computación |
