NOMA 5G

1. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 1/ 12 ⇒|
Non-Orthogonal Multiple Access for 5G and
Beyond
Proceedings of the IEEE, Dec. 2017
by
Yuanwei Liu, Zhijin Qin, Maged Elkashlan,
Zhiguo Ding, Arumugam Nallanathan and
Lajos Hanzo

2. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 2/ 12 ⇒|
Orthogonal multiple access schemes: FDMA,
TDMA and CDMA
C
o
d
e
Time
Frequency
Frequency
Frequency
Time
Time
User 1
User 2
User
1
User
2
2
1
User 3

3. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 3/ 12 ⇒|
Intentional DS-CDMA Spreading
A/SF
Signal
B
A
SF B
Spreading code
A/SF
Interferer
B
A
SF B
Spreading code
Despreading code
A/SF
A

4. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 4/ 12 ⇒|
Unintentional Channel-Induced Spreading
time
CIR amplitude
pred.
estim.
delay
N
[t]
tap

5. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 5/ 12 ⇒|
Evolution of Multiple Access & its Impact on
Wireless Standardization

6. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 6/ 12 ⇒|
MIMO
Sq.
BF Close
OVSF-CDMA St.
OMA/
NOMA
Sq.
Turbo St. FEC
Sq.
LDPC St.
BICM-ID
St.
MFAA St.
4G
Sq.
HetNets
CR
SDN
Sq.
UL/DL
decoupling
St.
MFAA
LS-MIMO
Terrace
5G
Place
Telepr.
Ave.
MPEG
St.

7. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 7/ 12 ⇒|
Next-generation network architecture.

8. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 8/ 12 ⇒|
Macro
cell
……
Massive
MIMO
Small cells
D2D
f
• Ultra Wideband
(cmWave, mmWave)
• NOMA
Power
f
V2V
M2M
IoT
Fronthaul
...
Cloud RAN
Forwarding
Virtualization Software defined networking controller
Applications
...
IoT Health Safety
Telco API
Radio access unit
VR

9. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 9/ 12 ⇒|
Power-Domain NOMA
User m
detection
User n
detection
User n
Subtract user
m ’s signal
0
BS
User m
User m
detection
Superimposed signal of
User m and n
BS
User m
(b). Downlink NOMA Transmission
(c). Uplink NOMA Transmission
SIC
User n
User n
detection
User m
detection
Subtract user
n ’s signal
SIC
(a). Power Multiplexing NOMA
Power
Time
User n
User m
Time
Non-cooperative NOMA
Cooperative NOMA
SIC

10. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 10/ 12 ⇒|
Cluster-based MIMO-NOMA.
BS
Cluster 1 Cluster 2
Cluster m Cluster M
User LM
... ...
User 1
User L2
User 1
User Lm
User 2
User 1
User L1
User 1
User 2
...
User 2 User 2
...
...
...

11. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 11/ 12 ⇒|
Beamformer-based MIMO-NOMA.
User 1
User 2
User N+1
User N+2
User N
User N+M
BS
...
...
...
...

12. c Liu, Qin, Elkashlan, Ding, Nallanathan & Hanzo Proceedings of the IEEE, Dec. 2017 12/ 12 ⇒|
NOMA and massive MIMO based hybrid HetNets.
Massive MIMO
User 1
SIC of User
m signal
User n signal
detection
User n
User m signal
detection
User m
NOMA
User 2
User N
……
Pico BS
Marco BS