Patent ID: 6934271

Claim:
A wireless time division duplex communication system using code division multiple access, the system communicating using communication bursts, each communication burst having a unique channelization code and a midamble code, the system comprising: a base station having; a plurality of data generators for generating data to be communicated to user equipments; a plurality of spreading and modulation devices, operatively coupled to the data generators, for producing communication bursts in a time slot with the generated data, each produced communication burst having a midamble code which is associated with its channelization code; and a combiner and an antenna for combining and transmitting the communication bursts in the time slot; a plurality of user equipments, at least one having: an antenna for receiving the communication bursts; a midamble detection device for determining each received midamble code; a logic block for determining a channelization code associated with each received midamble; and a multiuser detection device for recovering data from the received communication bursts based on in part the determined channelization codes.