Patent ID: 8767843

Claim:
A method for receiving and demodulating data, the method comprising, receiving at least one common reference symbol in a user communication device; receiving at least one dedicated reference symbol in the user communication device; determining a first effective channel corresponding to a subcarrier and determining a second effective channel corresponding to the subcarrier, the first effective channel corresponding to a first set of data streams on the subcarrier based on one or more common reference symbols but not based on dedicated reference symbols, and the second effective channel corresponding to a second set of data streams on the subcarrier based on one or more dedicated reference symbols but not based on common reference symbols; demodulating a data transmission corresponding to the first set of data streams or to the second set of data streams using the corresponding effective channel; receiving the at least one common reference symbol from a first base station; and receiving the at least one dedicated reference symbol from a second base station.