A communications waveform format is provided for a satellite-based telecommunications system. The waveform format includes forward and return link waveforms between the satellite, earth stations and terminals. The forward and return links use orthogonal direct-sequence code division multiple access (ODS-CDMA)...http://www.google.de/patents/US6396826?utm_source=gb-gplus-sharePatent US6396826 - Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
