Patent ID: 11968146
Assignee: WISIG NETWORKS PRIVATE LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A base station (BS), the BS comprising:
a transmitter configured to signal at least one antenna port number, of a plurality of antenna port numbers, to the at least one user equipment device (UE), wherein the at least one antenna port number corresponds to a reference signal (RS);
a receiver configured to receive a data signal and the RS from the at least one UE, wherein the RS comprises a plurality of occupied RS subcarriers and a plurality of null subcarriers, and wherein a location of the occupied RS subcarriers and the null subcarrier positions are selected according to the signaled at least one antenna port;
a channel estimator configured to estimate a channel parameter and an interference plus noise parameter according to the occupied subcarriers and the null subcarriers; and
an equalizer configured to equalize the received data signal using the estimated channel parameter and the estimated interference plus noise parameter.