A method and apparatus for carrying out synchronous co-division multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor telephone link, terrestial microwave, satellite...http://www.google.fr/patents/US6356555?utm_source=gb-gplus-shareBrevet US6356555 - Apparatus and method for digital data transmission using orthogonal codes
Apparatus and method for digital data transmission using orthogonal codes
