HYPERION

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High bandwidth wireless communications with 'the aircraft of the future' will allow rapid offloading of aircraft performance, security and other data, thus allowing more efficient operation, new services and safer travel. It is extremely challenging toachieve this using wireless radio frequency systems due to the limited overallocated spectrum. Free space optical communications provides an attractive unlicensed alternative, potentially offering communications at Gbit/s. In this casekey challenges include tracking the aircraft with the communications beam, and creating lightweight airborne terminals.This project will combine a retro-reflecting airborne terminal that is free from tracking with a novel holographicbeamsteering 'base station' offering precision tracking of multiple terminals to provide the basis of Gbit/s data offload fromaircraft which are landing and airborne platforms.