CN102111365B - Lte系统dft/idft旋转因子控制方法、装置及dft/idft运算装置 - Google Patents
Lte系统dft/idft旋转因子控制方法、装置及dft/idft运算装置 Download PDFInfo
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- CN102111365B CN102111365B CN200910251010.1A CN200910251010A CN102111365B CN 102111365 B CN102111365 B CN 102111365B CN 200910251010 A CN200910251010 A CN 200910251010A CN 102111365 B CN102111365 B CN 102111365B
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000007774 longterm Effects 0.000 title abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims description 29
- 230000015654 memory Effects 0.000 claims description 21
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 6
- 238000012432 intermediate storage Methods 0.000 claims description 3
- 238000004422 calculation algorithm Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Description
索引 | DFT长度N | k2 | k3 | k5 |
1 | 12 | 2 | 1 | 0 |
2 | 24 | 3 | 1 | 0 |
3 | 36 | 2 | 2 | 0 |
4 | 48 | 4 | 1 | 0 |
5 | 60 | 2 | 1 | 1 |
6 | 72 | 3 | 2 | 0 |
7 | 96 | 5 | 1 | 0 |
8 | 108 | 2 | 3 | 0 |
9 | 120 | 3 | 1 | 1 |
10 | 144 | 4 | 2 | 0 |
11 | 180 | 2 | 2 | 1 |
12 | 192 | 6 | 1 | 0 |
13 | 216 | 3 | 3 | 0 |
14 | 240 | 4 | 1 | 1 |
15 | 288 | 5 | 2 | 0 |
16 | 300 | 2 | 1 | 2 |
17 | 324 | 2 | 4 | 0 |
18 | 360 | 3 | 2 | 1 |
19 | 384 | 7 | 1 | 0 |
20 | 432 | 4 | 3 | 0 |
21 | 480 | 5 | 1 | 1 |
22 | 540 | 2 | 3 | 1 |
23 | 576 | 6 | 2 | 0 |
24 | 600 | 3 | 1 | 2 |
25 | 648 | 3 | 4 | 0 |
26 | 720 | 4 | 2 | 1 |
27 | 768 | 8 | 1 | 0 |
28 | 864 | 5 | 3 | 0 |
29 | 900 | 2 | 2 | 2 |
30 | 960 | 6 | 1 | 1 |
31 | 972 | 2 | 5 | 0 |
32 | 1080 | 3 | 3 | 1 |
33 | 1152 | 7 | 2 | 0 |
34 | 1200 | 4 | 1 | 2 |
Claims (6)
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CN200910251010.1A CN102111365B (zh) | 2009-12-28 | 2009-12-28 | Lte系统dft/idft旋转因子控制方法、装置及dft/idft运算装置 |
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CN200910251010.1A CN102111365B (zh) | 2009-12-28 | 2009-12-28 | Lte系统dft/idft旋转因子控制方法、装置及dft/idft运算装置 |
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CN102111365A CN102111365A (zh) | 2011-06-29 |
CN102111365B true CN102111365B (zh) | 2015-04-15 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115544438B (zh) * | 2022-11-28 | 2023-04-18 | 南京创芯慧联技术有限公司 | 数字通信系统中的旋转因子生成方法、装置和计算机设备 |
CN117591784B (zh) * | 2024-01-19 | 2024-05-03 | 武汉格蓝若智能技术股份有限公司 | 一种基于fpga的旋转因子计算方法及fpga芯片 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101465834A (zh) * | 2009-01-12 | 2009-06-24 | 吕正德 | 用于3gpp lte/4g无线通信的dft/idft变换系统 |
CN101571849A (zh) * | 2008-05-04 | 2009-11-04 | 中兴通讯股份有限公司 | 一种快速傅立叶变换处理器及其方法 |
Family Cites Families (1)
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KR20040110338A (ko) * | 2003-06-18 | 2004-12-31 | 삼성전자주식회사 | 코딕연산을 이용한 3780-point DFT 프로세서 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101571849A (zh) * | 2008-05-04 | 2009-11-04 | 中兴通讯股份有限公司 | 一种快速傅立叶变换处理器及其方法 |
CN101465834A (zh) * | 2009-01-12 | 2009-06-24 | 吕正德 | 用于3gpp lte/4g无线通信的dft/idft变换系统 |
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