A unified and flexible signaling method and radio interface accommodate different multiple access schemes, e.g, FDMA, TDMA, CDMA, OFCDM, and IFDMA. Each user data unit is associated with one of several different multiple access techniques that defines how multiple users access communication resources....http://www.google.fr/patents/US7453856?utm_source=gb-gplus-shareBrevet US7453856 - Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques
Method, apparatus, and communications interface for sending and receiving ...
