Sistema de propagação de espectro possuindo uma pluralidade de unidades de propagação de espectro

摘要

The present invention provides a method for conference calling in a wireless spread spectrum communication system having a plurality of units, the method comprising: a selected unit of the plurality of units receiving data for others of the plurality of units over a first frequency; the selected unit mixing the received data from the other units with data of the selected unit and transmitting the mixed data over a second frequency; the other units receiving the mixed data over the second frequency form the selected unit; each of the other units transmitting its data over the first frequency; and transmitting a command from one of the other units; wherein the one unit operates as the selected unit and a corresponding unit.