87 citations · 151 across the 10 of their papers we have counts for
16 papers
Optimal Data Detection and Signal Estimation in Systems with Input Noise
Ramina Ghods, Charles Jeon, Arian Maleki +1
Practical systems often suffer from hardware impairments that already appear during signal generation. Despite the limiting effect of such input-noise impairments on signal process…
Mismatched Data Detection in Massive MU-MIMO
Charles Jeon, Arian Maleki, Christoph Studer
We investigate mismatched data detection for massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems in which the prior distribution of the transmit signal u…
Design Trade-offs for Decentralized Baseband Processing in Massive MU-MIMO Systems
Kaipeng Li, James McNaney, Chance Tarver +4
Massive multi-user (MU) multiple-input multiple-output (MIMO) provides high spectral efficiency by means of spatial multiplexing and fine-grained beamforming. However, conventional…
A 354Mb/s 0.37mm^2 151mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS
Charles Jeon, Oscar Castañeda, Christoph Studer
This paper presents a novel data detector ASIC for massive multiuser multiple-input multiple-output (MU-MIMO) wireless systems. The ASIC implements a modified version of the large-…
Decentralized Coordinate-Descent Data Detection and Precoding for Massive MU-MIMO
Kaipeng Li, Oscar Castaneda, Charles Jeon +2
Massive multiuser (MU) multiple-input multiple-output (MIMO) promises significant improvements in spectral efficiency compared to small-scale MIMO. Typical massive MU-MIMO base-sta…
Optimal Data Detection in Large MIMO
Charles Jeon, Ramina Ghods, Arian Maleki +1
Large multiple-input multiple-output (MIMO) appears in massive multi-user MIMO and randomly-spread code-division multiple access (CDMA)-based wireless systems. In order to cope wit…
Decentralized Equalization with Feedforward Architectures for Massive MU-MIMO
Charles Jeon, Kaipeng Li, Joseph R. Cavallaro +1
Linear data-detection algorithms that build on zero forcing (ZF) or linear minimum mean-square error (L-MMSE) equalization achieve near-optimal spectral efficiency in massive multi…
Feedforward Architectures for Decentralized Precoding in Massive MU-MIMO Systems
Kaipeng Li, Charles Jeon, Joseph R. Cavallaro +1
Massive multi-user multiple-input multiple-output (MU-MIMO) enables significant gains in spectral efficiency and link reliability compared to conventional small-scale MIMO technolo…
VLSI Design of a Nonparametric Equalizer for Massive MU-MIMO
Charles Jeon, Gulnar Mirza, Ramina Ghods +2
Linear minimum mean-square error (L-MMSE) equalization is among the most popular methods for data detection in massive multi-user multiple-input multiple-output (MU-MIMO) wireless…
Nonlinear Precoding for Phase-Quantized Constant-Envelope Massive MU-MIMO-OFDM
Sven Jacobsson, Oscar Castañeda, Charles Jeon +2
We propose a nonlinear phase-quantized constant-envelope precoding algorithm for the massive multi-user (MU) multiple-input multiple-output (MIMO) downlink. Specifically, we adapt…
Optimally-Tuned Nonparametric Linear Equalization for Massive MU-MIMO Systems
Ramina Ghods, Charles Jeon, Gulnar Mirza +2
This paper deals with linear equalization in massive multi-user multiple-input multiple-output (MU-MIMO) wireless systems. We first provide simple conditions on the antenna configu…
On the Achievable Rates of Decentralized Equalization in Massive MU-MIMO Systems
Charles Jeon, Kaipeng Li, Joseph R. Cavallaro +1
Massive multi-user (MU) multiple-input multiple-output (MIMO) promises significant gains in spectral efficiency compared to traditional, small-scale MIMO technology. Linear equaliz…
Approximate Gram-Matrix Interpolation for Wideband Massive MU-MIMO Systems
Charles Jeon, Zequn Li, Christoph Studer
Numerous linear and non-linear data-detection and precoding algorithms for wideband massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems that rely on orth…
On the Performance of Mismatched Data Detection in Large MIMO Systems
Charles Jeon, Arian Maleki, Christoph Studer
We investigate the performance of mismatched data detection in large multiple-input multiple-output (MIMO) systems, where the prior distribution of the transmit signal used in the…
Optimal Large-MIMO Data Detection with Transmit Impairments
Ramina Ghods, Charles Jeon, Arian Maleki +1
Real-world transceiver designs for multiple-input multiple-output (MIMO) wireless communication systems are affected by a number of hardware impairments that already appear at the…
Optimality of Large MIMO Detection via Approximate Message Passing
Charles Jeon, Ramina Ghods, Arian Maleki +1
Optimal data detection in multiple-input multiple-output (MIMO) communication systems with a large number of antennas at both ends of the wireless link entails prohibitive computat…