Post on 20-Aug-2020
LTE
New RAT
f
t
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* SCMA: sparse code multiple access
5G 2016
Point A(LOS) Point B
(LOS) Point C(N-LOS)
Point D(LOS)
Point E(N-LOS)
Point F(N-LOS)
42 m
36 m
Basestation
200m100m
50m (N-LOS)
(LOS)Base station
0
50
100
150
200
250
300
350
400
450
500
Point A Point B Point C Point D Point E Point F
Thro
ughp
ut (M
bps)
0
100
200
300
400
500
50m LOS 50m NLOS 100m LOS 200m LOS
Thro
ughp
ut (M
bps)
28 GHz3.8 GHz
60GHz
•
•
•
••
••
LO Input
M8190 12GHz Sample Rate AWG
LO: N5173B, 13GHz
Tx
IF Input
LO Input
LO: N5173B, 13GHz
Rubidium Clock33512 AWG
N9029AV15 harmonic mixer, 50-75GHz, 16kHz-2.5GHz IF output
IF Output
M9703A digitizer: 600MHz BW for 8CH1GHz BW for 4CH using Interleave
RxN9029AV1-UDC, 50-75GHz, 16kHz-2.5GHz IF input
PA LNA BPF
Hornantenna
Hornantenna
IF Amplifier
0 5 10 15 20 25 30Average SNR (dB)
3025201510
5
0
Aver
age
thro
ughp
ut (G
bps)
••
5
5G
•
•
FDD TDD
1 GHz1 GHz 6 GHz
6 GHz
OFDMmmW Self-contained TDD
/
BS MS
27.925 GHz
800 MHz
OFDM (TDD)
10 3080