Adaptive encoding modulation method
An adaptive encoding and modulation technology, applied in digital transmission systems, error prevention, multi-carrier systems, etc., can solve problems such as poor performance of Turbo codes, impact on encoding performance, and failure to consider the relationship between transmission encoding rates, etc., to achieve optimal encoding performance effect
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[0044] The idea of the present invention is that in the process of adaptive coding and modulation, when the modulation mode is selected according to the value of CQI, the transmission code rate is selected accordingly, and when the high-order modulation mode is adopted, a higher coding code rate is used correspondingly.
[0045] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0046] First define a CQI value range CQI∈{0, 1, 2, ... N} and given positive integers P, Q, satisfying 0 [0047] refer to figure 1...
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