Spectral Power Management for Constrained Transmissions Using Constellation Shaping

摘要

In frequency channel communications, constraints on transmit power characteristics can be complied with by implementing constellation shaping (15, 71) in the transmitter. In transmitters which use transmit filtering (91) to comply with constraints on transmit power characteristics, the transmitter can also implement, upstream of the transmit filter, precoding (92) designed for a desired cooperation with the transmit filter. IMAGE