Full Duplex
HetNet
FBMC
relay networks
Channel Estimation
Interference Cancellation
interference
channel capacity
MIMO
CLI
synchronization
interference suppression
in-band full-duplex system
D-TDD
5G
Multiple Antennas
inter user interference
OFDM
mode selection
WVAN
channel estimation error
UFMC
5G mobile communication
timing misalignment
ultra-dense small cell network
GFDM
reinforcement learning
multi-access edge computing
health care
RSRP weighting
- Computation offloading
—Device-to-device (D2D)
antenna arrays
power uncertainty
resource block management
frame structure
QAM
Poisson arrival
Short burst transmission
mMTC
User association
Traffic
Capacity
OCBT
Waveforms
Time-division duplex
self interference cancellation
body area networks
cellular radio
quality of service
amplify and forward communication
Cognitive radio
telecommunication traffic
intercarrier interference
Zigbee
indoor positioning
intersymbol interference
spectrum sharing
Cell-free
Uplink SCMA system
Number of training blocks
Reliability
Communication range
Mode 3
resource allocation
P-NOMA
partial overlap
Vehicular communication
resource selection
maximum likelihood method
V2X
user fairness
cross-link interference
Dynamic TDD
LTE-TDD
Metaheuristics
QR Factorization
Multi-user Receiver
FS-NOMA
non-orthogonal multiple access
C-V2V
OTDOA
mMIMO
User grouping
packet delay
estimated position updating
Resource sharing
Rat-dependent positioning
NR positioning
estimated position overlapping
non-orthogonal multiple access (NOMA)
overloading
Power allocation
Location-based
distributed mode
DQN
spectrum partitioning
massive connectivity
and 5G networks.
dynamic HetNet
smart factory
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Hakkeon Lee, Hyunsoo Kim, Sungmook Lim, and Daesik Hong, "A Novel Preamble Design for Time Synchronization in OFDM-based Multiple Numerologies," IEEE VTC Fall 2018
[IEEE VTC]
조회 41836
Status : | Presented |
---|---|
Date : | 2018-06 |
Title : | A Novel Preamble Design for Time Synchronization in OFDM-Based Multiple Numerologies |
Authors : | Hakkeon Lee, Hyunsoo Kim, Sungmook Lim, and Daesik Hong |
Conference : | IEEE VTC Fall 2018 |
Abstract : | 5G New Radio is expected to employ multiple numerologies where diverse subcarrier spacings coexist to satisfy the requirements and channel characteristics of users. Since conventional autocorrelation-based time synchronization methods are designed for orthogonal frequency division multiplexing (OFDM) systems with a single numerology, they cannot be applied in OFDM-based multiple numerologies. We propose a new preamble structure for use in OFDM system with multiple numerologies. The proposed preamble is generated by overlapping multiple preamble components which have a repetitive structure and an amplified cyclic prefix. With these features, a different time metric corresponding to each numerology can be independently obtained from the proposed preamble. Then, each user can perform time synchronization process with the system parameter corresponding to their numerology, regardless of other user's numerology. |
URL : | https://ieeexplore.ieee.org/abstract/document/8691018 |
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