A system and method for synchronous spectrum sharing for use in a wireless communication system based on orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) signaling is disclosed. The system includes a frame detector configured to detect a frame...http://www.google.de/patents/US20080112308?utm_source=gb-gplus-sharePatent US20080112308 - Spectrum sharing in a wireless communication network
