High data rate transmissions for high speed trains, dream or reality ?

Today the key challenge for sustainable mobility and sustainable development is to reduce the impact of transport on the physical, social and human environment. Promoting a set of solutions that aims to optimize the use of existing infrastructures for road and rail domains, to enhance safety and security, to reduce exploitation and maintenance costs and to offer new services to customers and staff developing inter modal behavior, may constitute an important contribution. This set of solutions is based on political decisions, best practice challenges and technological solutions developed within several Intelligent Transport Systems programs all over Europe.

In this context, new information and communication technologies represent great opportunities to develop Intelligent Public Transport Systems. This sector has always been very open for new technologies innovations but their development and deployment require integration with existing public transport environments. New information and communication technologies are the keys to optimize exploitation and maintenance costs, to enhance the friendliness, comfort and security feeling of public transport by offering new services to passengers while traveling with the aim to promote public transport use and multimodal behavior by optimizing door-to-door mobility. Today, with the development of "always on" behavior, customers on board a train ask to receive while traveling the same information they use to receive at home or at their office. The Train-IPSAT project aims at developing such services. This report constitutes the final report of the work performed regarding "user requirements analysis" and a technical state of the art on the technologies suitable to answer the problem.