Patent ID: 11881972
Assignee: ZEKU TECHNOLOGY (SHANGHAI) CORP., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A radio frequency (RF) chip comprising a digital front-end, wherein the digital front-end comprises:
a multiplexer module configured to combine a plurality of orthogonal frequency-division multiplexing (OFDM) symbol streams having different component carriers in a time domain or to transform a single OFDM symbol stream to generate a stream of data having at least one carrier;
a nonlinearity compensation module configured to:
adjust a gain of the stream of data at a predetermined frequency corresponding to a length of each of a plurality of blocks; and
apply a digital pre-distortion to the stream of data to compensate a nonlinearity of the stream of data, wherein the stream of data with the adjusted gain is divided into the plurality of blocks; and

a transition smoothing module configured to apply soft edge pulse-shaping to smooth transitions of the plurality of blocks.