Robustness and maturity
Today, MOST Technology is proven as robust in over 115 car models on the road. The latest generation of the MOST Specification incorporates the lessons learned.
For the third generation of MOST, reference implementations  have been realized and several OEMs have given their approval as the technology is mature. SOP for cars with MOST150 will be in 2012.
MOST stands for a system solution approach. It proves as cost efficient.
• The inherent synchronicity on the network level lowers the requirements on the component level and saves resources.
• Standardization of MOST provides reuse of the function blocks, which are sets of standardized commands that allow for synchronized message and event flow.
• MOST provides an IP (intellectual property) pool with royalty-free cross-licensing among the members of the MOST Cooperation. It allows for a straightforward, easy grant of license which is based on compliance testing. This model, as well as the technology, is attractive for both premium and volume carmakers.
• Established compliance processes with accredited MOST Compliance Test Houses according to ISO 17025  leads to pre-tested components. In addition, the compliance verification program closes the design feedback loop and thus helps to continuously improve the standard.
This contribution has shown that a flexible multi-channel approach like MOST will provide an overall optimal system solution meeting the requirements of infotainment and driver assistance as they grow together and face higher bandwidth needs.
Applications where the attention of the driver is shared will especially require an appropriate network that supports an easy and seamless integration of infotainment and driver assistance domains. MOST Technology is being developed by automotive series developers and driven by the OEMs. It meets these automotive requirements.
Starting with the new generation – MOST150 – and providing a deliberate roadmap, MOST Technology is resilient and future-proof. It will be prepared for the challenges to come.
] MOST Specification Rev. 3.0 E2. MOST Cooperation, 2010.
] Grzemba, A.: MOST – The Automotive Multimedia Network – From MOST25 to MOST150. Franzis Verlag, Poing, 2011, ISBN 978-3-645-65061-8.
] Lisner, J.; Specht, J.: Definitely Safe. Elektronik Automotive. Special Edition March 2010, p. 32-34.
] ISO 26262-6:2011 Road vehicles – Functional safety – Part 6: Product development at the software level.
] Braun, A. et al.: Validation of the MOST Specification. Hanser Automotive, April 2009.
] ISO 17025:2005 General requirements for the competence of testing and calibration laboratories.
About the author
Dr.-Ing. Wolfgang Bott is the Technical Coordinator of the MOST Cooperation. He also acts as the MOST Compliance Administrator.
Courtesy of EETimes Europe
See related links
. MOST150 boosts infotainment capabilities
. Embedded vision boosts driver-assistance designs
. MOST150 points to technology tipping point
. Automotive ultrasonic ranging: Increasing gain may not improve detection distance
. Intelligent environments for transportation