The ITU Radiocommunication Assembly considering a)that due to the growing demand on the radio frequency spectrum, there is a need to improve frequency sharing between different services;b)that there is a particularly strong need for land mobile and fixed services, including nomadic wireless access (NWA) and fixed wireless systems, to share frequencies above about 0.5 GHz;c)that with appropriate sharing criteria, the fixed service can use spectrum required for mobile purposes.