Rate-splitting multiple access for quantized multiuser MIMO communications

S Park, J Choi, J Park, W Shin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the sum spectral efficiency maximization problem in downlink
multiuser multiple-input multiple-output systems with low-resolution quantizers at an access …

Energy efficiency maximization precoding for quantized massive MIMO systems

J Choi, J Park, N Lee - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
The use of low-resolution digital-to-analog and analog-to-digital converters (DACs and
ADCs) significantly benefits energy efficiency (EE) at the cost of high quantization noise for …

Better lattice quantizers constructed from complex integers

S Lyu, Z Wang, C Ling, H Chen - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper investigates low-dimensional quantizers from the perspective of complex lattices.
We adopt Eisenstein integers and Gaussian integers to define checkerboard lattices and. By …

Lattice-based mmWave hybrid beamforming

S Lyu, Z Wang, Z Gao, H He… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Conventional hybrid precoding and combining based transceivers require a large number of
high-resolution radio frequency (RF) phase shifters (PSs), which impose prohibitive …

Signal shaping for generalized spatial modulation and generalized quadrature spatial modulation

S Guo, H Zhang, P Zhang, S Dang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper investigates the generic signal shaping methods for the multiple-data-stream
generalized spatial modulation (GenSM) and the generalized quadrature spatial modulation …

Design of spatial constellation for spatial modulation

F Huang, Y Zhan - IEEE Wireless Communications Letters, 2020 - ieeexplore.ieee.org
In order to achieve the transmission of more extra information bits, a new design, called
spatial modulation with spatial constellation design (SM-SC), is proposed to extend the size …

High-performance power allocation strategies for secure spatial modulation

F Shu, X Liu, G Xia, T Xu, J Li… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Optimal power allocation (PA) strategies can make a significant rate improvement in secure
spatial modulation (SM). Due to the lack of secrecy rate (SR) closed-form expression in …

On the capacity of MISO channels with one-bit ADCs and DACs

Y Nam, H Do, Y Jeon, N Lee - IEEE Journal on Selected Areas …, 2019 - ieeexplore.ieee.org
A one-bit wireless transceiver is a promising communication architecture that not only can
facilitate the design of mmWave communication systems but also can extremely diminish …

Block orthogonal sparse superposition codes for ultra-reliable low-latency communications

D Han, J Park, Y Lee, HV Poor… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Low-rate and short-packet transmissions are important for ultra-reliable low-latency
communications (URLLC). In this paper, we put forth a new family of sparse superposition …

Spatial modulation with joint permutation, group and antenna indexes

F Huang, D Li - IEEE Wireless Communications Letters, 2023 - ieeexplore.ieee.org
In this letter, a new schematic of spatial modulation with jointing permutation, group and
antenna indexes (JPGA-ISM) is proposed to achieve more extra information bits by …