Networked and Embedded Systems Laboratory

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In the past few years exciting advances in the development of
pervasive computing technologies have taken place, in particular
the field of flexible electronics is emerging: electronic components
such as transistors and wires can be built on a thin flexible
material, and polymer wires can be made to be flexible and
durable. These technologies offer the opportunity to weave
computation, storage, and communication into the fabric of the
very clothing that we wear, thereby creating an intelligent fabric
(also called electronic textiles or e-textiles). The implications of seamlessly integrating a large number of communicating computation and storage resources, mated with sensors and actuators, in close proximity to the human body are
quite exciting. This paper presents the motivation for the
Reconfigurable Fabric (RFab) project underway at UCLA.
Reconfigurability on multiple architectural levels is critical for
intelligent fabrics. Because the wires used for communication and
energy distribution are woven into the garment, an intelligent
garment needs to be able to find new interconnection pathways
when the garment is damaged so that operation can continue. In
addition, reconfiguration at the link layer can allow the creation
of interconnection topologies that are well-suited to performing a
particular computation. Reconfigurability is also needed at the
system level in order to allow the computational load to be
balanced over the available computational units. This paper
discusses the system architecture of the RFab-Vest, a pervasive
medical monitoring jacket, the design decisions that led to it, and
describes the first complete RFab-Vest prototype.

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