Mr Kang
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在4G(LTE）网络中我们曾遇到过BAND41与BAND38部分频谱重叠，中心频点选择不当造成小区相互干扰影响的问题；进入5G（NR）时代这种情况会不会再次发生；回答是肯定的！熟悉各频段的频谱，选择合适的中心频点是无线网络规划（优化）人员的一项重要技能；
1.5G网络频谱
1.1 FR1频谱 
1.2 FR2频谱
2.5G网络频谱重叠
2.1 FR1 频谱重叠
Band | Name频段名 | Mode制式 | Band overlap 重叠 | Full (MFBI) | Partial | n1 | 2100 | FDD | n65, n84 | n66 | n2 | 1900 PCS | FDD | n25 | n39 | n3 | 1800 | FDD | n80, n86 |
| n5 | 850 | FDD | n26, n89 | n18, n20, n82, n91, n92 | n7 | 2600 | FDD | n41, n90 |
| n8 | 900 | FDD | n81 |
| n12 | 700 a | FDD |
| n28, n83 | n14 | 700 PS | FDD |
| n28 | n18 | 800 Lower | FDD | n26 | n5, n89 | n20 | 800 | FDD | n82 | n5, n26, n28, n89 | n25 | 1900+ | FDD | n2 | n39 | n26 | 850+ | FDD | n5, n18, n89 | n20, n82, n91, n92 | n28 | 700 APT | FDD | n83 | n12, n20 | n29 | 700 d | SDL |
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| n30 | 2300 WCS | FDD | n40 |
| n34 | TD 2000 | TDD | n95 | n70 | n38 | TD 2600 | TDD | n41, n90 |
| n39 | TD 1900+ | TDD |
| n2, n25 | n40 | TD 2300 | TDD | n30 |
| n41 | TD 2600+ | TDD | n7, n38, n90 |
| n48 | TD 3600 | TDD | n77, n78 |
| n50 | TD 1500+ | TDD | n75, n92, n94 | n74 | n51 | TD 1500- | TDD | n76, n91, n93 | n74 | n53 | TD 2500 | TDD |
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| n65 | 2100+ | FDD | n1, n84 |
| n66 | AWS-3 | FDD | n80, n86 | n3, n80 | n70 | AWS-4 | FDD |
| n34 | n71 | 600 | FDD |
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| n74 | L-band | FDD |
| n50, n75, n92, n94 | n75 | DL 1500+ | SDL | n50, n92, n94 | n74 | n76 | DL 1500- | SDL | n51, n91, n93 |
| n77 | TD 3700 | TDD | n48, n78 |
| n78 | TD 3500 | TDD | n48, n77 |
| n79 | TD 4700 | TDD |
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| n80 | UL 1800 | SUL | n3, n66, n86 |
| n81 | UL 900 | SUL | n8, n93, n94 |
| n82 | UL 800 | SUL | n20, n91, n92 | n5, n26, n89 | n83 | UL 700 | SUL | n28 | n12 | n84 | UL 2100 | SUL | n1, n65 | n65 | n86 | UL AWS | SUL | n3, n66, n80 | n3 | n89 | UL 850 | SUL | n5, n26 | n18, n20, n26, n82, n91, n92 | n90 | TD 2600+ | TDD | n7, n38, n41 |
| n91 | FD 1500- | FDD | n51, n76, n82 | n5, n26, n89 | n92 | FD 1500+ | FDD | n50, n75, n82 | n5, n26, n74, n89 | n93 | FD 1500- | FDD | n51, n76, n81 |
| n94 | FD 1500+ | FDD | n50, n75, n81 | n74 | n95 | UL 2000 | SUL | n34 |
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2.2 FR2频谱重叠
Band | Name频段名 | Mode制式 | Band overlap重叠 | Full (MFBI) | Partial | n257 | 28 GHz | TDD | n261 | n258 | n258 | 26 GHz | TDD |
| n257 | n259 | 41 GHz | TDD |
| n260 | n260 | 39 GHz | TDD |
| n259 | n261 | 28 GHz US | TDD | n257 |
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整理：kangguoying 20200828
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