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MPC-WORKSHOP JULI 2012
Processor Solutions for Smart Mobility
Abstract—The term Smart Mobility denotes the
vision of extensive information dissemination between
mobile entities as well as the environmental
infrastructure with the goal of making mobility
more safe, efficient, environmentally friendly and
comfortable. Therefore, relevant information of
current situations will be deployed and processed
in realtime by all traffic participants. Realizing
future smart mobility applications is in fact directly
and technological inevitably linked to the provision
of sufficient processing power within the individual
sub-systems. Within this paper, we class
smart mobility into the large research field of cyber-physical
systems and discuss requirements and
challenges for realizing smart mobility by means of
appropriate hardware/software architectures. We
present and excert of completed and ongoing research
projects at ITIV in the field of heterogeneous
system architecture development and give an
outlook to worthwhile research directions.
Index terms—Cyber-physical systems.
I. INTRODUCTION
Smart Mobility solutions are essential to meet the
increasing demands on travel and transportation systems.
Green mobility, accident-free driving, support
for elderly people, adaptive route planning to the point
of 4D harmonization, all are catchphrases that can be
allocated to the topic of smart mobility. By integrating
entities from different mobility domains like automotive,
railway or avionics into a spanning communication
network that connects them with each other as
well as the environmental ICT infrastructure, safety
and non-safety relevant information can be disseminated,
which promises improvements in situation
awareness, traffic management and active safety. E.g.
looking at the automotive domain, vehicle-to-vehicle
communication (V2VC) technology promises to be a
next major step towards realization of smart mobility
and thus safer and more efficient road traffic. V2VC
Prof. Dr. Jürgen Becker, becker@kit.edu; Dr. Oliver Sander,
oliver.sander@kit.edu; and Christoph Roth, christoph.roth@kit.edu
are with Karlsruhe Institute of Technology (KIT), Institute for
Information Processing Technology (ITIV), Engesserstraße 5,
D-76131 Karlsruhe, Germany.
Jürgen Becker, Oliver Sander, Christoph Roth
uses so called Vehicular Ad hoc NETworks
(VANETs), that are highly dynamic sensor-actuatornetworks
for information exchange with vehicles as
nodes. Considering the vision of the so called Cyber-
Physical Systems (CPS) this trend of intercommunication
and cross-linkage will continue or rather become
much more intense in future.
In general, due to the increasing complexity of applications
and functions for smart mobility, power and
performance requirements on the underlying hardware/software
system also increase. Feasibility of
smart mobility is in fact directly and technological
inevitably linked to the realizable processing power of
the individual mobile subsystems. One major trend
that can be observed in this context, is the emerging
popularity of embedded multicore systems which is
driven by the need to handle complexity and optimize
performance per watt through integrating evermore
functionality directly into a single device. Especially,
heterogeneous architectures based on reconfigurable
hardware structures can offer an alternative to common
standard solutions with respect to power and
performance. However, the integration of applications
and functions of mixed criticality onto a single multicore
device with respect to certifiability is a nonsolved
problem up to now.
In this contribution, the necessity for novel system
architecture solutions in the context of smart mobility
is outlined. Thereby, different examples of innovative
heterogeneous system architectures that resulted from
research projects conducted at ITIV or that are still
under development at ITIV, are presented. These
illustrate the large solution space in architecture design
and motivate the development of architecture
patterns which allow classifying architectural characteristics
according to their necessity for certain functions.
The remainder of this paper is organized as follows:
Section II classes the term smart mobility into the
larger context of cyber-physical systems. In section III
first, key technologies are identified that are necessary
for realizing CPS and smart mobility. After that, examples
of heterogeneous system architectures in general
as well as in the automotive context are presented.
Also, methods for verification and validation of smart
mobility systems are shortly outlined. Finally, in section
IV we conclude and give an overview on current
and future research directions.
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