Patent ID: 11962379
Assignee: NOKIA TECHNOLOGIES OY
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A transmitter apparatus comprising:
a plurality of upconverters configured to upconvert separate signals for different antennas;
one or more digital to analog converters; and
one or more demultiplexers configurable in at least a first configuration and a second configuration, wherein;
when the one or more demultiplexers are configured in the first configuration, the plurality of upconverters and the one or more digital to analog converters are configured to enable antenna signals to be combined to provide hybrid beamforming or analog beamforming and when the one or more demultiplexers are configured in the second configuration, the plurality of upconverters and the one or more digital to analog converters are configured to enable separate antenna signals to be used to enable digital beamforming.