Page 22 - TT July Issue for Digital Edition

FOCUS

Regarding privacy, there is a
plan already for encryption
in the new version of AIS 140.
This encryption will have a
public key and a private key
which will be injected from
a centralized server and
the certificates will also be
suitably monitored.
– Joydeep Shome

The testing agencies
indicated in Rule 126 of
CMVR include Automotive
Research Association of
India, International Center
for Automotive Technology
- Manesar and Global
Automotive Research Center
– Chennai. These agencies
have the wherewithal to
certify OBUs. Currently, the
VLT devices are also being
certified by them. Globally, there are two types data to an intermediate gateway

– K.C. Sharma of OBUs: thick OBUs, which layer. Toll charger software will be
perform most computations controlled by government bodies
internally, and thin OBUs, which like NHAI and will address privacy
India prefers. Thin OBUs primarily issues. Existing AIS 140 devices
perform location stamping and already have provisions to prevent
send data to the gateway layer. fraudulent transactions. It is
And a lot of deliberation has If there is no network or power, proposed to include firmware-level
happened in terms of this data will be sent on a First-in- security with end-to-end encryption
whole frequency of the pings. First-out basis. Data collection of data and secure data storage.
Testing has been done at frequency will range from one to Testing protocols will ensure
10, 15, 20 seconds and so on five seconds to ensure accurate market-supplied OBUs comply with
and so forth. That is going to vehicle tracking. Other processes AIS 140 specifications, with regular
call for very intense extent include increasing IP ports for audits for conformity.
of technology capability TCP/IP communication with On toll collection mechanism,
that the switch will need to toll chargers and ensuring GSM he explained that initially there
manage this across the entire network preferences. will be both GNSS and FASTag
ecosystem. The toll charger will generate a movement on the highways.

– Praveena Rai secure key during OBU onboarding, Free flow will happen through
with OBUs programmed to send the GNSS lane when both, the

22 TRAFFICINFRATECH / July 2024 / www.trafficinfratech.com