OFDM
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Full Duplex
Spectrum Sensing
Synchronization
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Stochastic Geometry
Energy Harvesting
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Bi-directional
Heterogeneous Networks
Equalization
HetNet
relay networks
FBMC
Ultra Low Power
SC-FDMA
TVWS
Duplex
Reliability
CDMA
MIMO
interference
channel capacity
in-band full-duplex system
interference suppression
5G
C-V2V
reinforcement learning
RSRP weighting
non-orthogonal multiple access (NOMA)
health care
5G mobile communication
indoor positioning
Vehicle-to-vehicle communication
estimated position overlapping
Resource sharing
Power allocation
multi-access edge computing
control overhead
hybrid
Rat-dependent positioning
NR positioning
smart factory
UFMC
Handoff
Femtocell
QAM
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power uncertainty
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amplify and forward communication
Zigbee
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resource block management
frame structure
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inter user interference
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antenna arrays
partial overlap
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resource selection
maximum likelihood method
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Number of training blocks
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V2X
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dynamic HetNet
spectrum partitioning
DQN
D-TDD
CLI
massive connectivity
and 5G networks.
OTDOA
estimated position updating
distributed mode
non-orthogonal multiple access
Spatial capacity
LTE-TDD
—Device-to-device (D2D)
Location-based
overloading
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Heekwang Lee, Dongyoung Kwon, Woohyun Seo, Sungsoo Park, Jemin Lee, Seungjoo Maeng, Jaeho Jeon and Daesik Hong, "User Group Selection Scheme for Lattice-Reduction-Aided Precoder in MIMO Broadcast Systems", PIMRC 2010, Sep. 2010
[IEEE PIMRC]
조회 81200
Status : | Presented |
---|---|
Date : | 2010-09 |
Title : | User Group Selection Scheme for Lattice-Reduction-Aided Precoder in MIMO Broadcast Systems |
Authors : | Heekwang Lee, Dongyoung Kwon, Woohyun Seo, Sungsoo Park, Jemin Lee, Seungjoo Maeng, Jaeho Jeon and Daesik Hong |
Conference : | PIMRC 2010 |
Abstract : | In multiple-input multiple-output (MIMO) broadcast channel, the lattice-reduction-aided (LRA) precoder is the modified zero-forcing beamforming (ZFBF) scheme which perturbs data symbols to reduce the transmit power. In this paper, we propose the optimal user group selection (UGS) scheme for the LRA-precoder to maximize the sum-rate in MIMO broadcast systems. We derive the approximated sum-rate of the LRA-precoder and the optimal UGS scheme. We also propose a suboptimal UGS scheme which requires low-complexity. From the simulation results, we show that the sum-rate of the proposed LRA-precoder with the optimal UGS scheme outperforms that of the conventional ZFBF with its optimal UGS scheme, especially when the number of users is small. In addition, we also show that the proposed LRA-precoder with the suboptimal UGS scheme has a considerably larger sum-rate than the conventional ZFBF with its suboptimal scheme, especially when the transmit correlation exists. |
URL : | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5671738 |
Download : | http://mirinae.yonsei.ac.kr/?module=file...819e4ed1a2 |
Heekwang Lee; Dongyoung Kwon; Woohyun Seo; Sungsoo Park; Jemin Lee; Seungjoo
Maeng; Jaeho Jeon; Daesik Hong; , "User group selection scheme for
lattice-reduction-aided precoder in MIMO broadcast systems," Personal Indoor
and Mobile Radio Communications (PIMRC), 2010 IEEE 21st International Symposium
on , vol., no., pp.247-251, 26-30 Sept. 2010
doi:
10.1109/PIMRC.2010.5671738
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5671738&isnumber=5671569
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