Other documents Intermediate description of the spectrum needs\nand usage principles Positioning of multi-node/multi-antenna technologies Deliverable D1.1\nScenarios, requirements and KPIs for 5G mobile\nand wireless system Novel radio link concepts and\nstate of the art analysis Requirement analysis and design approaches for 5G air\ninterface Simulation guidelines Deliverable D1.1\nScenarios, requirements and KPIs for 5G mobile\nand wireless system Initial report on horizontal topics, first results\nand 5G system concept Summary on preliminary trade-off investigations and first set of potential network-level solutions