❱❱ Even the Doppler shift was taken into account when connecting a McLaren coupe to a V2V network, main image; the AutoAir test bed at Millbrook offers a flexible infrastructure for 4G and 5G communications, including 60GHz mmWave frequencies, inset top; the high speed bowl provided a demonstration of the capabilities of 5G technology in V2V communications
generation
Using 5G test and development frequency bands, the
infrastructure comprises hyper-dense small cell networks, massive MIMO (multiple input multiple output) for beam forming and software defined cells. Such is the complexity of the infrastructure, it required the
cooperation of many companies to provide different elements of the network. So far, the consortium has created a hyper- dense network of base stations providing around 70km of testing space. Speaking at the recent 5G test bed launch event, Senior told
attendees: “AutoAir is directly tackling the key 5G technology and system design challenges that CAVs create. The hyper- dense small cell network delivers ultra-high capacities which enable a range of new CAV use cases to be explored.”
BEYOND THE NEXT GENERATION NETWORK While the network provided the focus for the automotive industry attending the recent launch event at Millbrook, it is the enabler for much deeper development capabilities that the testing giant can offer to the CAV industry.
Beyond the network, the site also offers open-source
reference vehicles which can be programmed to emulate a range of vehicles for CAV software development as well as soft targets and instrumentation expertise for setting real world self-driving vehicle trials and scenarios. Off the track, a virtual twin is available, which is a digital
model of the test tracks with 1mm surface accuracy for vehicle simulation. This can be used within Millbrook’s simulator suite, which provides vehicle and software developers with an ability to develop and test products in both the physical and the virtual environments. The network infrastructure at Millbrook provides reliable,
low-latency and high-capacity communications to enable a real time interface and simultaneous and interactive links between vehicles on the test track and simulators in a laboratory. Augmented and virtual reality can be used to create virtual
events for physical vehicles on test. This allows safe testing of edge cases and complex scenarios when developing driverless cars.
March 2019 /// Testing & Test Houses /// 11
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