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5G_NR:New Radio 物理层规划与设计 3GPP:3G Partnership Project - Coggle Diagram
5G_NR:New Radio 物理层规划与设计
3GPP:3G Partnership Project
ITU White Paper
3 Major Scenarios
eMBB: enhanced Mobile Broadband
uRLLC: ultra Reliable Low Latency Communication
mMTC: massive Machine Type Communication
8Key Features
DM-RS: Demodulation Reference Signal
PUCCH: Physical Uplink Control Channal
CP-OFDM: Cyclic Prefix Orthogonal Frequency Division Multiplexing + 256QAM
CSI-RS: Channel State Information Resource Signal
SRS: Sounding Reference Signal
PT-RS: Phase Tracking Reference Signal
RAN/CU/DU
PRB/CRB: Physical/Common Resource Block
CRS: Cell Reference Signal
Physical Cell Identity，PCID
Synchronization Signal/PBCH Block，SSB
PSS/SSS: Primary/Secondary Synchronization Signal
PBCH: Physical Broadcast Channel
Bandwidth Part，BWP
RRC/RRM: Radio Resource Control/Management
RRM/RLM: Radio Resource/Link Management
Common Search Space，CSS
System Frame Number，SFN
RBG/REG: Resource Block/Element Group
B
SI
MIB
SIB = RMSI(SIB1) + OSI(SIB>1)
SSB(20ms default)
PSS
PBCH
SSS
1G: 1980~2000
FDMA
2G: 1980~1990/92
3GPP: GSM
3GPP2: IS-95
3G IMT2000: ~2000
TD-SCDMA/WCDMA
3GPP2: CDMA200
4G IMT-Advanced: ~2010
TD-LTE/FDD-LTE & Advance
5G IMT2020: ~2020
IMT: International Mobile Telecommunication
NR R15: FR1/2: Frequency Range 1/2: 410~7125MHz/24250~52600MHz
SCS: Sub-Carrier Spacing
LDPC: Low Density Parity Code
Basic Physics & Mathematics
FFT的物理意义：
https://www.cnblogs.com/minks/p/5676770.html
OFDM symbol：
https://zhuanlan.zhihu.com/p/30538458
https://zhuanlan.zhihu.com/p/368424862