|
PS
|
Public Safety
|
|
PSCE
|
Public Safety Communication Europe Forum
|
|
QoE
|
Quality of Experience
|
|
QoS
|
Quality of Service
|
|
RAN
|
Radio Access Network
|
|
RANDA
|
Radio Access Network Big Data Analysis Network Architecture
|
|
rApp
|
Radio Application
|
|
RCA
|
Root Cause Analysis
|
|
ReLU
|
Rectified Linear Unit
|
|
RI
|
Randomized Identification
|
|
RIC
|
Radio Intelligent Controller
|
|
RIC
|
RAN Intelligent Controller
|
|
RIS
|
Reconfigurable Intelligent Surface
|
|
RKHS
|
Reproducing Kernel Hilbert Spaces
|
|
RLNC
|
Random Linear Network Coding
|
|
RRC
|
Radio Resource Control
|
|
RT
|
Real‐Time
|
|
SA
|
System Aspect
|
|
SBA
|
Service‐Based Architecture
|
|
SBI
|
Service‐Based Interface
|
|
SDL
|
Shared Data Layer
|
|
SDN
|
Software‐Defined Networking
|
|
SDO
|
Standard Development Organization
|
|
SDR
|
Software‐Defined Radio
|
|
SE
|
Spectrum Efficiency
|
|
SFC
|
Service Function Chaining
|
|
SFP
|
Service Function Path
|
|
SGD
|
Stochastic Gradient Descent
|
|
SLA
|
Service‐Level Agreement
|
|
SLA
|
Service Layer Agreement
|
|
SNR
|
Signal‐to‐Noise Ratio
|
|
SOM
|
Service Order Management
|
|
SRv6
|
Segment Routing Based on IPv6
|
|
TCO
|
Total Cost of Ownership
|
|
TDM
|
Time Division Multiplex
|
|
TDMA
|
Time Division Multiple Access
|
|
TIP
|
Telecom Infrastructure Project
|
|
TSDSI
|
Telecommunications Standards Development Society
|
|
TSN
|
Time‐Sensitive Networking
|
|
TTA
|
Telecommunication Technology Association
|
|
TTC
|
Telecommunication Technology Committee
|
|
TTI
|
Transmission Time Interval
|
|
UAV
|
Unmanned Aerial Vehicle
|
|
UDN
|
Ultradense Network
|
|
UMTS
|
Universal Mobile Telecommunication System
|
|
UN IPCC
|
United Nations Intergovernmental Panel on Climate Change
|
|
UP
|
User Plane
|
|
UPF
|
User Plane Function
|
|
URLLC
|
Ultrareliable Low‐Latency Communication
|
|
V2X
|
Vehicle to Everything
|
|
VHTS
|
Very High Throughput Satellites
|
|
VM
|
Virtual Machines
|
|
VNA
|
Vector Network Analyzers
|
|
VNF
|
Virtual Network Function
|
|
VPN
|
Virtual Private Network
|
|
VRU
|
Vulnerable Road User
|
|
VSAT
|
Very Small Aperture Terminals
|
|
WBD
|
Wireless Big Data
|
|
WWW
|
World Wide Web
|
|
YOY
|
Year over Year
|
|
ZB
|
Zettabytes
|
|
ZSM
|
Zero‐Touch Network and Service Management
|
1 Toward 6G – Collecting the Research Visions
Emmanuel Bertin1, Thomas Magedanz2,, and Noel Crespi3
1 Orange Innovation, France
2 Fraunhofer FOKUS, Berlin, Germany
3 IMT, Telecom SudParis, Institut Polytechnique de Paris, Paris, France
1.1 Time to Start Shaping 6G
During the past 30 years, the successive generations of mobile communication
