| http://www.w3.org/ns/prov#value | - where, b indicates the number of bits that may be borne, that is, corresponding to the modulation mode; ?? is a loss compared with theoretically optimal performance, ??=??ber+??m?????c, ??ber is a parameter related to a bit error rate, ??m is a margin (Margin), ??c is a coding gain (Coding Gain), that is, ?? may be obtained through calculating according to a required bit error rate, the margin, an
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