Patent ID: 8345610

Claim:
A method for mapping pilot symbols in a multiplexing mode of unicast service and Multimedia Broadcast/Multicast Service (MBMS), the method comprising: generating pilot symbols for the unicast service and the MBMS service, respectively; mapping the pilot symbols for the MBMS service to multiple transmit antennas such that, in a subframe, the pilot symbols for the MBMS service for the multiple antennas are arranged in a same time domain and the pilot symbols for different antennas are adjacent to each other in a frequency domain, the pilot symbols for the MBMS service for the same transmit antenna are spaced from each other by one subcarrier in the frequency domain and, the pilot symbols for the MBMS for different antennas are spaced from each other by four Orthogonal Frequency Division Multiplexing (OFDM) symbols in the time domain, and are arranged in a staggered form along the time domain, and mapping the pilot symbols for the unicast service to different subcarriers in a same OFDM symbol such that, in a subframe, the pilot symbols for the unicast service for the different antennas are arranged in staggered form along the frequency domain, and spaced from each other by a same number of subcarriers, and all subcarriers of one OFDM symbol are assigned to a control channel for the unicast service; and time division multiplexing the pilot symbols for the unicast and MBMS services, and transmitting them via the multiple transmit antennas.