Patent ID: 8111779

Claim:
A method for transmitting a data stream in a wireless communication system, comprising: converting the data stream to a symbol set; selecting a first plurality of symbols from the symbol set, wherein the first plurality of symbols include at least a first symbol, a second symbol, a third symbol, a fourth symbol, a fifth symbol, a sixth symbol, a seventh symbol, and a eighth symbol; generating a second plurality of symbols having at least a ninth symbol, a tenth symbol, an eleventh symbol, and a twelfth symbol, wherein the ninth symbol includes a first part of the first symbol and a second part of the third symbol, the tenth symbol includes an additive inverse of a first part of the second symbol and a second part of the fourth symbol, the eleventh symbol includes a first part of the fifth symbol and a second part of the seventh symbol, and the twelfth symbol includes an additive inverse of a first part of the sixth symbol and a second part of the eighth symbol; weighting the eleventh symbol and the twelfth symbol to form a first weighted symbol and a second weighted symbol, respectively; and transmitting in a first time slot the ninth symbol with a first antenna, the tenth symbol with a second antenna, the first weighted symbol with a third antenna, and the second weighted symbol with a fourth antenna.