频带
3gpp中NR规定了两个较大的频率范围。一个是我们通常所说的(sub 6 Ghz),另一个是我们通常所说的毫米波。根据范围的不同,最大带宽和子载波间隔会有所不同。在sub 6 Ghz,最大带宽为100兆赫,在毫米波范围内,最大带宽为400兆赫。一些子载波间隔(15,30 kHz)只能用于6 GHz以下,一些副载波间隔(120 kHz)只能用于毫米波范围,一些副载波间隔(60 kHz)可以同时用于sub 6 Ghz和毫米波范围。
1 频带总览
< Based on 38.101-1 Table 5.2-1, Table 5.4.2.3-1 and 38.104 - Table 5.4.3.3-1>
NR Operating Band | Uplink (UL) operating band | Downlink (DL) operating band | Duplex Mode | ||||
BS receive | BS transmit | ||||||
UE transmit | UE receive | ||||||
FUL_low – FUL_high | total BW | FDL_low – FDL_high | total BW | ||||
n1 | Frquency | 1920 MHz-1980 MHz | 60 | 2110 MHz-2170 MHz | 60 | FDD | |
ARFCN | 384000 – <20> – 396000 |
| 422000 – <20> – 434000 |
| |||
GSCN |
|
| 5279 – <1> – 5419 |
| |||
n2 | Frquency | 1850 MHz-1910 MHz | 60 | 1930 MHz-1990 MHz | 60 | FDD | |
ARFCN | 370000 – <20> – 382000 |
| 386000 – <20> – 398000 |
| |||
GSCN |
|
| 4829 – <1> – 4969 |
| |||
n3 | Frquency | 1710 Mhz -1785 MHz | 75 | 1805 MHz-1880 MHz | 75 | FDD | |
ARFCN | 342000 – <20> – 357000 |
| 361000 – <20> – 376000 |
| |||
GSCN |
|
| 4517 – <1> – 4693 |
| |||
n5 | Frquency | 824 -849 MHz | 25 | 869 MHz-894MHz | 25 | FDD | |
ARFCN | 164800 – <20> – 169800 |
| 173800 – <20> – 178800 |
| |||
GSCN | 15 Khz |
|
| 2177 – <1> – 2230 |
| ||
30 khz |
|
| 2183 – <1> – 2224 |
| |||
n7 | Frquency | 2500 MHz-2570 MHz | 70 | 2620 MHz-2690 MHz | 70 | FDD | |
ARFCN | 500000 – <20> – 514000 |
| 524000 – <20> – 538000 |
| |||
GSCN |
|
| 6554 – <1> – 6718 |
| |||
n8 | Frquency | 880 MHz-915 MHz | 35 | 925 MHz-960 MHz | 35 | FDD | |
ARFCN | 176000 – <20> – 78300 |
| 185000 – <20> – 192000 |
| |||
GSCN |
|
| 2318 – <1> – 2395 |
| |||
n12 | Frquency | 699 Mhz-716 Mhz | 17 | 729 Mhz-746 Mhz | 17 | FDD | |
ARFCN | 139800 – <20> – 143200 |
| 145800 – <20> – 149200 |
| |||
GSCN |
|
| 1828 - <1> - 1858 |
| |||
n20 | Frquency | 832 MHz-862 MHz | 30 | 791 MHz-821 MHz | 30 | FDD | |
ARFCN | 166400 – <20> – 172400 |
| 158200 – <20> – 164200 |
| |||
GSCN |
|
| 1982 – <1> – 2047 |
| |||
n25 | Frquency | 1850 Mhz-1915 Mhz | 65 | 1930 Mhz-1995 Mhz | 65 | FDD | |
ARFCN | 370000 – <20> – 383000 |
| 386000 – <20> – 399000 |
| |||
GSCN |
|
| 4829 – <1> – 4981 |
| |||
n28 | Frquency | 703 MHz-748 MHz | 45 | 758 MHz-803 MHz | 45 | FDD | |
ARFCN | 140600 – <20> – 149600 |
| 151600 – <20> – 160600 |
| |||
GSCN |
|
| 1901 – <1> – 2002 |
| |||
n34 | Frquency | 2010 Mhz-2025 Mhz | 15 | 2010 Mhz-2025 Mhz | 15 | TDD | |
ARFCN | 402000 – <20> – 405000 |
| 402000 – <20> – 405000 |
| |||
GSCN |
|
| 5030 – <1> – 5056 |
| |||
n38 | Frquency | 2570 MHz-2620 MHz | 50 | 2570 MHz-2620 MHz | 50 | TDD | |
ARFCN | 514002 – <3> – 523998 |
| 514002 – <3> – 523998 |
| |||
GSCN |
|
| 6431 – <1> – 6544 |
| |||
n39 | Frquency | 1880 Mhz - 1920 Mhz | 40 | 1880 Mhz- 1920 Mhz | 40 | TDD | |
ARFCN | 376000 – <20> – 384000 |
| 376000 – <20> – 384000 |
| |||
GSCN |
|
| 4706 – <1> – 4795 |
| |||
n40 | Frquency | 2300 Mhz - 2400 Mhz | 100 | 2300 Mhz - 2400 Mhz | 100 | TDD | |
ARFCN | 460000 – <20> – 480000 |
| 460000 – <20> – 480000 |
| |||
GSCN |
|
| 5756 – <1> – 5995 |
| |||
n41 | Frquency | 2496 MHz-2690 MHz | 194 | 2496 MHz-2690 MHz | 194 | TDD | |
ARFCN | 15 Khz | 499200 – <3> – 537999 |
| 499200 – <3> – 537999 |
| ||
30 khz | 499200 – <6> – 537999 |
| 499200 – <6> – 537999 | ||||
GSCN | 15 Khz |
|
| 6246 – <3> – 6717 |
| ||
30 khz |
|
| 6252 – <3> – 6714 |
| |||
n50 | Frquency | 1432 MHz-1517 MHz | 85 | 1432 MHz-1517 MHz | 85 | TDD | |
ARFCN | 286400 – <20> – 303400 |
| 286400 – <20> – 303400 |
| |||
GSCN |
|
| 3584 – <1> – 3787 |
| |||
n51 | Frquency | 1427 MHz-1432 MHz | 5 | 1427 MHz-1432 MHz | 5 | TDD | |
ARFCN | 285400 – <20> – 286400 |
| 285400 – <20> – 286400 |
| |||
GSCN |
|
| 3572 – <1> – 3574 |
| |||
n66 | Frquency | 1710 MHz-1780 MHz | 70 | 2110 MHz-2200 MHz | 90 | FDD | |
ARFCN | 342000 – <20> – 356000 |
| 422000 – <20> – 440000 |
| |||
GSCN | 15 Khz |
|
| 5279 – <1> – 5494 |
| ||
30 khz |
|
| 5285 – <1> – 5488 |
| |||
n70 | Frquency | 1695 MHz-1710 MHz | 15 | 1995 MHz-2020 MHz | 25 | FDD | |
ARFCN | 339000 – <20> – 342000 |
| 399000 – <20> – 404000 |
| |||
GSCN |
|
| 4993 – <1> – 5044 |
| |||
n71 | Frquency | 663 MHz-698 MHz | 35 | 617 MHz-652 MHz | 35 | FDD | |
ARFCN | 132600 – <20> – 139600 |
| 123400 – <20> – 130400 |
| |||
GSCN |
|
| 1547 – <1> – 1624 |
| |||
n74 | Frquency | 1427 MHz-1470 MHz | 43 | 1475 MHz-1518 MHz | 43 | FDD | |
ARFCN | 285400 – <20> – 294000 |
| 295000 – <20> – 303600 |
| |||
GSCN |
|
| [3692 – <1> – 3790] |
| |||
n75 | Frquency | N/A |
| 1432 Mhz -1517 MHz | 85 | SDL | |
ARFCN | N/A |
| 286400 – <20> – 303400 |
| |||
GSCN |
|
| 3584 – <1> – 3787 |
| |||
n76 | Frquency | N/A |
| 1427 Mhz -1432 MHz | 5 | SDL | |
ARFCN | N/A |
| 285400 – <20> – 286400 |
| |||
GSCN |
|
| 3572 – <1> – 3574 |
| |||
n77 | Frquency | 3300 MHz- 4200 MHz | 900 | 3300 MHz- 4200 MHz | 900 | TDD | |
ARFCN | 620000 – <1> – 680000 |
| 620000 – <1> – 680000 |
| |||
GSCN |
|
| 7711 – <1> – 8329 |
| |||
n78 | Frquency | 3300 MHz-3800 MHz | 500 | 3300 MHz - 3800 MHz | 500 | TDD | |
ARFCN | 620000 – <1> – 653333 |
| 620000 – <1> – 653333 |
| |||
GSCN |
|
| 7711 – <1> – 8051 |
| |||
n79 | Frquency | 4400 MHz-5000 MHz | 600 | 4400 MHz - 5000 MHz | 600 | TDD | |
ARFCN | 693333 – <1> – 733333 |
| 693333 – <1> – 733333 |
| |||
GSCN |
|
| 8480 – <16> – 8880 |
| |||
n80 | Frquency | 1710 MHz-1785 MHz | 75 | N/A |
| SUL | |
ARFCN | 342000 – <20> – 357000 |
|
|
| |||
GSCN |
|
|
|
| |||
n81 | Frquency | 880 MHz-915 MHz | 35 | N/A |
| SUL | |
ARFCN | 176000 – <20> – 183000 |
|
|
| |||
GSCN |
|
|
|
| |||
n82 | Frquency | 832 MHz-862 MHz | 30 | N/A |
| SUL | |
ARFCN | 166400 – <20> – 172400 |
|
|
| |||
GSCN |
|
|
|
| |||
n83 | Frquency | 703 MHz-748 MHz | 45 | N/A |
| SUL | |
ARFCN | 140600 – <20> –149600 |
|
|
| |||
GSCN |
|
|
|
| |||
n84 | Frquency | 1920 MHz-1980 MHz | 60 | N/A |
| SUL | |
ARFCN | 384000 – <20> – 396000 |
|
|
| |||
GSCN |
|
|
|
| |||
n86 | Frquency | 1710 MHz-1780 MHz | 70 | SUL | |||
ARFCN | 342000 – <20> – 356000 | ||||||
GSCN |
< Based on 38.101-2 Table 5.2-1, Table 5.4.2.2-1 and 38.104 - Table 5.4.3.1-1>
NR Operating Band | Uplink (UL) operating band | Downlink (DL) operating band | Duplex Mode | ||||||||
BS receive | BS transmit | ||||||||||
UE transmit | UE receive | ||||||||||
FUL_low – FUL_high | total BW | FDL_low – FDL_high | total BW | ||||||||
n257 | Frequency | 26500 MHz–29500 MHz | 3000 | 26500 MHz–29500 MHz | 3000 | TDD | |||||
ARFCN | 2054167 – <1> – 2104166 |
| 2054167 – <1> – 2104166 |
| |||||||
GSCN | 120 Khz | [24306 – <1> – 24476] |
| [24306 – <1> – 24476] |
| ||||||
240 Khz | [24308 – <2> – 24474] |
| [24308 – <2> – 24474] |
| |||||||
n258 | Frequency | 24250 MHz–27500 MHz | 3260 | 24250 MHz–27500 MHz | 3260 | TDD | |||||
ARFCN | 2016667 – <1> – 2070833 |
| 2016667 – <1> – 2070833 |
| |||||||
GSCN | 120 Khz | [24175 – <1> – 24361] |
| [24175 – <1> – 24361] |
| ||||||
240 Khz | [24176 – <2> – 24360] |
| [24176 – <2> – 24360] |
| |||||||
n260 | Frequency | 37000 MHz–40000 MHz | 3000 | 37000 MHz–40000 MHz | 3000 | TDD | |||||
ARFCN | 2229167 – <1> – 2279166 |
| 2229167 – <1> – 2279166 |
| |||||||
GSCN | 120 Khz | [24913 – <1> – 25084] |
| [24913 – <1> – 25084] |
| ||||||
240 Khz | [24916 – <2> – 25080] |
| [24916 – <2> – 25080] |
|
2 频率范围
如上所述,3gpp中定义了两种频率范围,低于6千兆赫的范围称为FR1,毫米波范围称为FR2。FR1(低于6 GHz)和FR2(毫米波)的准确频率范围定义如下:
3 工作频段
< Based on 38.101-1 Table 5.2-1: NR operating bands in FR1 >
NR Operating Band | Uplink (UL) operating band | Downlink (DL) operating band | Duplex Mode | ||||||
BS receive | BS transmit | ||||||||
UE transmit | UE receive | ||||||||
FUL_low – FUL_high | total BW | FDL_low – FDL_high | total BW | ||||||
n1 | 1920 MHz-1980 MHz | 60 | 2110 MHz-2170 MHz | 60 | FDD | ||||
n2 | 1850 MHz-1910 MHz | 60 | 1930 MHz-1990 MHz | 60 | FDD | ||||
n3 | 1710 Mhz -1785 MHz | 75 | 1805 MHz-1880 MHz | 75 | FDD | ||||
n5 | 824 -849 MHz | 25 | 869 MHz-894MHz | 25 | FDD | ||||
n7 | 2500 MHz-2570 MHz | 70 | 2620 MHz-2690 MHz | 70 | FDD | ||||
n8 | 880 MHz-915 MHz | 35 | 925 MHz-960 MHz | 35 | FDD | ||||
n20 | 832 MHz-862 MHz | 30 | 791 MHz-821 MHz | 30 | FDD | ||||
n28 | 703 MHz-748 MHz | 45 | 758 MHz-803 MHz | 45 | FDD | ||||
n38 | 2570 MHz-2620 MHz | 50 | 2570 MHz-2620 MHz | 50 | TDD | ||||
n41 | 2496 MHz-2690 MHz | 194 | 2496 MHz-2690 MHz | 194 | TDD | ||||
n50 | 1432 MHz-1517 MHz | 85 | 1432 MHz-1517 MHz | 85 | TDD | ||||
n51 | 1427 MHz-1432 MHz | 5 | 1427 MHz-1432 MHz | 5 | TDD | ||||
n66 | 1710 MHz-1780 MHz | 70 | 2110 MHz-2200 MHz | 90 | FDD | ||||
n70 | 1695 MHz-1710 MHz | 15 | 1995 MHz-2020 MHz | 25 | FDD | ||||
n71 | 663 MHz-698 MHz | 35 | 617 MHz-652 MHz | 35 | FDD | ||||
n74 | 1427 MHz-1470 MHz | 43 | 1475 MHz-1518 MHz | 43 | FDD | ||||
n75 | N/A |
| 1432 Mhz -1517 MHz | 85 | SDL | ||||
n76 | N/A |
| 1427 Mhz -1432 MHz | 5 | SDL | ||||
n78 | 3300 MHz-3800 MHz | 500 | 3300 MHz - 3800 MHz | 500 | TDD | ||||
n77 | 3300 MHz- 4200 MHz | 900 | 3300 MHz - 4200 MHz | 900 | TDD | ||||
n79 | 4400 MHz-5000 MHz | 600 | 4400 MHz - 5000 MHz | 600 | TDD | ||||
n80 | 1710 MHz-1785 MHz | 75 | N/A | SUL | |||||
n81 | 880 MHz-915 MHz | 35 | N/A | SUL | |||||
n82 | 832 MHz-862 MHz | 30 | N/A | SUL | |||||
n83 | 703 MHz-748 MHz | 45 | N/A | SUL | |||||
n84 | 1920 MHz-1980 MHz | 60 | N/A | SUL | |||||
n86 | 1710 MHz-1780 MHz | 70 | N/A | SUL |
< Based on 38.101-2 Table 5.2-1: NR operating bands in FR2 >
NR Operating Band | Uplink (UL) operating band | Downlink (DL) operating band | Duplex Mode | ||||||
BS receive | BS transmit | ||||||||
UE transmit | UE receive | ||||||||
FUL_low – FUL_high | total BW | FDL_low – FDL_high | total BW | ||||||
n257 | 26500 MHz–29500 MHz | 3000 | 26500 MHz–29500 MHz | 3000 | TDD | ||||
n258 | 24250 MHz–27500 MHz | 3260 | 24250 MHz–27500 MHz | 3260 | TDD | ||||
n260 | 37000 MHz–40000 MHz | 3000 | 37000 MHz–40000 MHz | 3000 | TDD |
4 频谱和带宽
这个例子看起来很明显,说“信道带宽=最大传输带宽+两侧的保护带”,但下表中,可能不清楚,因为最大传输带宽是以RB为单位指定的,保护带是以千赫为单位。
为了澄清这一点,有一个简单的方程式和例子,如下所示:
5 每个频段支持的信道带宽
< 38.101-1 Table 5.3.5-1 Channel Bandwidths for Each NR band : FR1 >
NR band / SCS / UE Channel bandwidth | ||||||||||||
NR Band | SCS | 5 MHz | 10 MHz | 15 MHz | 20 MHz | 25 MHz | 30 MHz | 40 MHz | 50 MHz | 60 MHz | 80 MHz | 100 MHz |
kHz | ||||||||||||
n1 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n2 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n3 | 15 | Yes | Yes | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes | Yes | Yes |
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n5 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n7 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n8 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n20 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n28 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n38 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n41 | 15 |
| Yes | Yes | Yes |
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| Yes | Yes |
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30 |
| Yes | Yes | Yes |
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| Yes | Yes | Yes | Yes | Yes | |
60 |
| Yes | Yes | Yes |
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| Yes | Yes | Yes | Yes | Yes | |
n50 | 15 | Yes | Yes | Yes | Yes |
|
| Yes | Yes |
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30 |
| Yes | Yes | Yes |
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| Yes | Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n51 | 15 | Yes |
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30 |
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60 |
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n66 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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| Yes |
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60 |
| Yes | Yes | Yes |
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| Yes |
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n70 | 15 | Yes | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes | Yes |
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n71 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n74 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n75 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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n76 | 15 | Yes |
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30 |
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60 |
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n77 | 15 |
| Yes |
| Yes |
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| Yes | Yes |
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30 |
| Yes |
| Yes |
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| Yes | Yes | Yes | Yes | Yes | |
60 |
| Yes |
| Yes |
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| Yes | Yes | Yes | Yes | Yes | |
n78 | 15 |
| Yes |
| Yes |
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| Yes | Yes |
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30 |
| Yes |
| Yes |
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| Yes | Yes | Yes | Yes | Yes | |
60 |
| Yes |
| Yes |
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| Yes | Yes | Yes | Yes | Yes | |
n79 | 15 |
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| Yes | Yes |
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30 |
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| Yes | Yes | Yes | Yes | Yes | |
60 |
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| Yes | Yes | Yes | Yes | Yes | |
n80 | 15 | Yes | Yes | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes | Yes | Yes |
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n81 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n82 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n83 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
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n84 | 15 | Yes | Yes | Yes | Yes |
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30 |
| Yes | Yes | Yes |
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60 |
| Yes | Yes | Yes |
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< 38.101-2 Table 5.3.5-1 Channel bandwidths for each NR band : FR2 >
NR band / SCS / UE Channel bandwidth | |||||
NR Band | SCS (kHz) | 50 MHz | 100 MHz | 200 MHz | 400 MHz |
n257 | 60 | Yes | Yes | Yes | Yes |
120 | Yes | Yes | Yes | Yes | |
n258 | 60 | Yes | Yes | Yes | Yes |
120 | Yes | Yes | Yes | Yes | |
n260 | 60 | Yes | Yes | Yes | Yes |
120 | Yes | Yes | Yes | Yes |
6 NR-ARFCN
7 GSCN
GSCN称为全局同步栅格信道(Global Synchronization Raster Channel)。已经有了名为ARFCN的现有频率规范(光栅)时,为什么我们需要这种额外的频率规范?”.
3GPP 规范中没有明确解释,个人猜测如下:
当NSA中的NR被激活时,由于频率、子载波间隔等都是由LTE RRC连接重新配置消息配置的,因此UE不需要对SSB进行盲搜索。但在SA中,UE需要盲目检测SSB,因为UE需要在收到任何RRC(MIB、SIB)之前检测到SSB。如果用户需要基于ARFCN搜索SSB,则由于ARFCN光栅很窄,搜索时间太长。因此,以更宽的步长定义SSB搜索频率很有必要。