| 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.
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