Results 1 to 10 of about 1,727 (109)

Cooperative DF Protocol for MIMO Systems Using One-Bit ADCs [PDF]

Sensors, 2022
This study considers a detection scheme for cooperative multi-input–multi-output (MIMO) systems using one-bit analog-to-digital converters (ADCs) in a decode-and-forward (DF) relay protocol.
Tae-Kyoung Kim
exaly   +4 more sources

Improved Likelihood Probability in MIMO Systems Using One-Bit ADCs. [PDF]

Sensors (Basel), 2023
This study considers an improved likelihood probability in multi-input multi-output (MIMO) systems using one-bit analog-to-digital converters (ADCs). MIMO systems using one-bit ADCs are known to exhibit from performance degradation because of inaccurate ...
Kim TK.
europepmc   +2 more sources

Performance Analysis of Maximum Likelihood Detection in Cooperative DF MIMO Systems with One-Bit ADCs

Mathematics
This paper investigates the error performance of cooperative decode-and-forward (DF) multiple-input multiple-output (MIMO) systems employing one-bit analog-to-digital converters (ADCs) over Rayleigh fading channels.
Tae-Kyoung Kim
exaly   +3 more sources

BER-Constrained Power Allocation for Uplink NOMA Systems with One-Bit ADCs

Mathematics
This study investigates bit error rate (BER)-constrained power allocation for uplink non-orthogonal multiple access (NOMA) systems in which a base station employs one-bit analog-to-digital converters.
Tae-Kyoung Kim
exaly   +3 more sources

Optimized Uniform Scalar Quantizers of Ternary ADCs for Large-Scale MIMO Communications

IEEE Access, 2021
Large-scale multiple-input multiple-output (LS-MIMO), a promising technology for the future wireless networks to boost the network capacity, unavoidably faces hardware cost and power consumption issues due to a large number of high-resolution power ...
Thuy V. Nguyen
doaj   +1 more source

Massive MIMO Channel Estimation With Low-Resolution Spatial Sigma-Delta ADCs

IEEE Access, 2021
We consider channel estimation for an uplink massive multiple-input multiple-output (MIMO) system where the base station (BS) uses an array with low-resolution (1-2 bit) analog-to-digital converters and a spatial Sigma-Delta ( $\Sigma \Delta ...
Shilpa Rao, Gonzalo Seco-Granados, Hessam Pirzadeh, Josef A. Nossek, A. Lee Swindlehurst   +4 more
doaj   +1 more source

Joint Detection and Decoding of Mixed-ADC Large-Scale MIMO Communication Systems With Protograph LDPC Codes

IEEE Access, 2021
Nowadays, large-scale multiple-input multiple-output (LS-MIMO) with low-resolution analog-to-digital converters (ADCs) is a favorable transmission scheme for 5G and beyond wireless networks to reduce the power consumption of the radio frequency chains ...
Hung N. Dang, Hieu T. Nguyen, Thuy V. Nguyen   +2 more
doaj   +1 more source

Machine Learning Detectors for MU-MIMO Systems With One-Bit ADCs

IEEE Access, 2020
We consider an uplink multiuser multiple-input multiple-output (MU-MIMO) system with one-bit analog-to-digital converters (ADCs). In this system, the construction of a low-complexity detector is quite challenging due to the non-linearity of an end-to-end
Seonho Kim, Jeongmin Chae, Song-Nam Hong
doaj   +1 more source

Channel Estimation for Large-Scale Multiple-Antenna Systems Using 1-Bit ADCs and Oversampling

IEEE Access, 2020
Large-scale multiple-antenna systems with large bandwidth are fundamental for future wireless communications, where the base station employs a large antenna array.
Zhichao Shao, Lukas T. N. Landau, Rodrigo C. De Lamare   +2 more
doaj   +1 more source

Non-Orthogonal Multiple Access with One-Bit Analog-to-Digital Converters Using Threshold Adaptation

Sensors, 2023
In digital communication systems featuring high-resolution analog-to-digital converters (ADCs), the utilization of successive interference cancellation and detection can enhance the capacity of a Gaussian multiple access channel (MAC) by combining ...
Moonsik Min, Jae-Ik Kong, Tae-Kyoung Kim
doaj   +1 more source