Cwill Telecommunications, Inc.

Cwill Telecommunication, Inc.

Yong Rao

Guanghan Xu

Daniel Wee

Ying Chen

A code division multiple access time division duplex communication system having an adaptive antenna array station communicates beamformed orthogonal code channels to a remote station. The remote station determines the amplitude and phase components of the received code channels and communicates the information back to the adaptive antenna array station which uses the information plus the beamform of the received signal in an adaptive antenna array station calibration process. By varying one of the beamforms received by the remote station, sufficient data points may be gathered to facilitate accurate calibration. The calibration procedure may be performed while voice or other digital information is communicated between the remote station and the adaptive antenna array station.

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Austin, TX, United States of America

Yong Rao