Broadcast channel enhancement with polar code
A polar coding and coding technology, which is applied to adjust channel coding, coding, code conversion and other directions, and can solve problems such as reliability of different channels
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[0037] However, the two NR-PBCH bit mapping design options conflict. In the first embodiment, the input bit index 253 is used for one SFN bit. In the second embodiment, the same input bit index 253 is used for one SSBI bit. In order to resolve this conflict, it is proposed based on the second embodiment that the input index 253 is reserved for one SSBI bit (for example, bit b3), while in the first embodiment, all other available input bit indexes in ascending order of reliability are proposed. Used for SFN and c0 bits. Such as Image 6 As depicted in block 620 of, for s1, s2, c0 and the remaining SFN bits, the encoder input bit indexes 441, 469, 247, 367, 375, 444, 470, 483, 415, 485, and 473 are selected respectively. Specifically, the input bit index 473 with the second worst channel reliability is used to replace the input bit index 253. Therefore, the 11 known bits of the PBCH are still mapped to the substantially least reliable bit channel of the polar encoder (for exam...
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