The invention relates to a method and an arrangement for dynamic allocation of multiple carrier wave channels for multiple access by frequency division multiplexing. the invention provides a number of mobile units with the possibility of flexible data speed and continuous transmission. ...http://www.google.de/patents/US5680388?utm_source=gb-gplus-sharePatent US5680388 - Method and arrangement for dynamic allocation of multiple carrier-wave channels for multiple access by frequency division of multiplexing 
