NG Toolset开发笔记--5GNR Resource Grid(23)

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8/21~9/7号完成下列需求分析(refer to 38.211/38.212/38.213/38.214/38.321/38.331):

  • PBCH
  • DMRS for PDSCH
  • DMRS for PDCCH
  • DMRS for PBCH
  • CSI-RS

计划分文章#23~#24来逐一介绍(Note:贴图方式)。

(一)PBCH需求分析

PBCH处理流程如下:

(二)DMRS for PDSCH需求分析:

PDSCH DMRS序列生成:

PDSCH DMRS资源映射:

Proposed parameters as below

  1. nrDlDmrsTypeAPos: can be {pos2, pos3}
  2. nrPdschDmrsType: dmrs-Type, can be {type1, type2}
  3. nrPdschMaxLen: maxLength, can be {len1, len2}
  4. nrPdschDmrsAddPos: dmrs-AdditionalPosition, can be {0, 1, 2, 3} if maxLength = ‘len1’, and {0, 1} if maxLength = ‘len2’
  5. nrPdschNumCw: number of codeword(s), can be {1, 2}
  6. nrPdschDmrsNumSymb: #symbols of front-loaded DMRS, can be {1, 2}
  7. nrPdschDmrsAntPorts: list of antenna ports for PDSCH DMRS
  8. nrPdschDmrsCdmGroups: can be {1, 2, 3}

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转载自blog.csdn.net/jeffyko/article/details/82503708