Patent ID: 6574265
Filing Date: 2003-06-03
Classification: H04B,H04J

Abstract:
A method for use in a spread spectrum communication system having a plurality of transmitting antennas, the method comprising:transmitting from each transmitting antenna, a reference signal having a code uniquely associated with that antenna; receiving at the receiver all of said transmitted reference signals; filtering each said transmitted reference signal using that reference signal's code; weighting each said filtered reference signal by a particular weight; combining said weighted reference signals as a combined signal; adaptively adjusting each said reference signal's particular weight based in part on a signal quality of the combined signal; transmitting a data signal such that different spread spectrum versions of the data signal are transmitted from each antenna, each version having a different code for the respective transmitting antenna; and receiving the data signal via filtering each version with its associated code and combining the filtered versions, wherein the different data signal versions are weighted in accordance with the adjusted weights associated with the reference signal of the respective antenna.