A variety of bi-directional data transmission systems that facilitate communications between a plurality of remote units (15) and a central unit (10) using a frame based discrete multi-carrier transmission scheme are disclosed. In each of the systems, frames transmitted from the plurality of remote units...http://www.google.fr/patents/US20020093989?utm_source=gb-gplus-shareBrevet US20020093989 - Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system
Method and apparatus for coordinating multi-point to point communications in ...
Numéro de demande: 10/052,194 Numéro de publication: US 2002/0093989 A1 Date de dépôt: 17 janv. 2002 Brevet délivré: US7068678 ( Date de délivrance 27 juin 2006)
