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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Hanwoong Kim, Hakkeon Lee, Taehyung Kim, and Daesik Hong, "Cell-Free mMIMO Systems with Dynamic TDD" IEEE VTC Spring 2022
[IEEE VTC]
조회 26322
Status : | Presented |
---|---|
Date : | 2022-06 |
Title : | Cell-Free mMIMO Systems with Dynamic TDD |
Authors : | Hanwoong Kim, Hakkeon Lee, Taehyung Kim, and Daesik Hong |
Conference : | IEEE VTC Spring 2022 |
Abstract : | Cell-free massive multi-input multi-output (CF-mMIMO) systems assume that a single central processing unit (CPU) communicates with a large number of user equipments (UEs) using the same time-frequency resources. However, allocating the same frame configuration to all the UEs makes it difficult to meet the traffic demands of each individual UE. In this paper, we propose using dynamic-time division duplex (D-TDD) in CF-mMIMO systems. To mitigate the cross-link interference (CLI), we propose a new UE-grouping algorithm. Simulation results show that the implementation of D-TDD reduces the median value of the UL packet delay and the DL packet delay by up to 75% and 30% respectively. Furthermore, the proposed UE-grouping reduces the average packet delay by 50% compared to static-TDD (S-TDD). |
URL : | https://ieeexplore.ieee.org/abstract/document/9861013 |
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