A bidirectional communication system is provided. The system includes a first remote unit for communicating with a host unit using orthogonal frequency division multiplexing. The host unit is communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The first remote...http://www.google.fr/patents/US7672219?utm_source=gb-gplus-shareBrevet US7672219 - Multipoint-to-point communication using orthogonal frequency division multiplexing
Multipoint-to-point communication using orthogonal frequency division ...
