In large aircrafts the cabling is very com p lex and often causes reliability p roblems. This is s p ecially true for modern In-flight Entertainment (IFE) systems, where every p assenger can select a p referred movie, play computer games or be able to communicate with other travellers. Due to EMC p roblems, wireless communication systems (WiFi etc.) didn't succeed in solving these p roblems.In this p a p er an innovative communication system is p ro p osed which p erfectly su pp lements an aircraft IFE system. The key innovation of this system is to use structures that are essential p arts of the airframe for data transfer, such as seat rails. Those rails consist of rectangular sha p es and could easily be modified to fulfill the function of waveguides for microwaves. A waveguide as p art of the seat rail would p rovide enormous benefits for aircrafts, such as a large bandwidth and consequently high data rates, no p roblems with EMC, unlimited flexibility of seat configuration, mechanical robustness with associated increase of reliability and a few additional advantages related to aircrafts such as reduction of weight and costs.
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