Telecommunications Science ›› 2022, Vol. 38 ›› Issue (10): 140-152.doi: 10.11959/j.issn.1000-0801.2022050
• Engineering and Application • Previous Articles Next Articles
Ting KE1, Xinghua SONG2, Fei WANG1, Zhiheng GUO2, Tuo YANG1, Chunxia GUO1, Chengcheng HAN2, Yunfeng LIU2, Zhenyu LI2
Revised:
2022-03-15
Online:
2022-10-20
Published:
2022-10-01
CLC Number:
Ting KE, Xinghua SONG, Fei WANG, Zhiheng GUO, Tuo YANG, Chunxia GUO, Chengcheng HAN, Yunfeng LIU, Zhenyu LI. Study on evolution of NR duplex operation[J]. Telecommunications Science, 2022, 38(10): 140-152.
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参数 | 站间距1 | 站间距2 | 站间距3 |
宏微基站间距/m | 50.0 | 100.0 | 200.0 |
工作频点/GHz | 4.9 | 4.9 | 4.9 |
信道模型 | UMa LOS | UMa LOS | UMa LOS |
室外空间传播损耗 | 79.2 | 85.8 | 92.4 |
穿透损(29.5)&阴影衰落(6)/dB | 35.5 | 35.5 | 35.5 |
室内路损/dB | 2.5 | 2.5 | 2.5 |
收/发天线阵列增益/dB | 20 | 20 | 20 |
防阻塞干扰抑制能力要求/dB | 65 | 65 | 65 |
防阻塞干扰抑制能力/dB | 97.2 | 103.8 | 110.4 |
总的干扰抑制能力要求/dB | 124 | 124 | 124 |
总的干扰抑制能力/dB | 97.2 | 103.8 | 110.4 |
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参数 | 备注 | 站间距1 | 站间距2 | 站间距3 |
宏微基站间距/m | 50 | 100 | 200 | |
宏基站发送功率/dBm | 53 | 53 | 53 | |
宏基站发送天线阵列增益/dB | 20 | 20 | 20 | |
穿透损耗(29.5) & 阴影衰落(6)/dB | 35.5 | 35.5 | 35.5 | |
室外路损/dB | 3GPP UMa LOS信道 | 81.1 | 86.8 | 93.0 |
室内路损/dB | 2.5 | 2.5 | 2.5 | |
干扰强度I/dBm | (7)=(2)+(3)-(4)-(5)-(6) | -46.1 | -51.8 | -58.0 |
7 dB噪声指数下噪声功率N/dBm | -87 | -87 | -87 | |
干扰噪声比I/N/dB | (9)=(7)-(8) | 40.9 | 35.2 | 29.0 |
接收机灵敏度恶化/dB | 40.9 | 35.2 | 29.0 |
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仿真配置参数 | 参数配置值 |
接入方式 | OFDMA |
帧结构 | TDD,宏基站:DDDSU,微基站:DSUUU |
载频 | 4.9 GHz |
ISD | 宏基站:300 m,微基站:20 m |
调制 | 最大到256QAM |
子载波间隔 | 30 kHz |
信道模型 | 宏基站:UMa(Urban Macro),微基站,IIOT(Industrial Internet of Things) |
UE分布 | 宏基站:80%室内3 km/h, 20% 室外30 km/h,微基站:100%室内3 km/h |
系统带宽 | 100 MHz |
天线配置 | 宏基站:BS@32TXRU,UE@4TXRU |
微基站:BS@4TXRU,UE@4TXRU | |
传输方案 | Macro:最大12流;Pico(6TRP协作):最大12流;SU:最大1流 |
调度粒度 | 4RB |
UE最大发送功率 | 26 dBm |
调度方案 | PF(proportional fair) |
接收机 | MMSE(minimum mean square error)-IRC(interference rejection combining) |
信道估计 | Ideal,Non-ideal,基线Ruu估计4RB,基于Muting RE估计的增强方案,Ruu估计粒度0.5RB |
功控参数 | P0=-60, alpha = 0.6 |
小区数 | 宏小区:3 , 微小区: 18 |
SRS 周期 | 10 TTI(transmission time interval) |
调度粒度 | 1 slot |
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