主权项 |
1. A method of transmitting pilots, the method comprising:
transmitting pilots over N orthogonal frequency division multiplexing (OFDM) symbols, wherein a pilot Pnk at subcarrier k for OFDM symbol n is determined by:
Pnk=−7=Ψ(n mod 2)+2,Pnk=7=Ψ((n+1) mod 2)+2,Pnk∉{−7,7}=0 wherein a OFDM symbol index n=0, . . . , N −1, pilot values Ψ2=1 and Ψ3=−1. |