A first receiving unit typically receives a control frame in a narrowband channel. A communication data selection unit controls power saving of a second receiving unit performing reception in a UWB channel, based on the control frame. A communication data generation unit generates communication time...http://www.google.fr/patents/US7787493?utm_source=gb-gplus-shareBrevet US7787493 - Radio communication method and radio communication device
Radio communication method and radio communication device