4 citations · 12 across the 11 of their papers we have counts for
13 papers
A High-Throughput Multi-Mode LDPC Decoder for 5G NR
Sina Pourjabar, Gwan S. Choi
This paper presents a partially parallel low-density parity-check (LDPC) decoder designed for the 5G New Radio (NR) standard. The design is using a multi-block parallel architectur…
DRCAS: Deep Restoration Network for Hardware Based Compressive Acquisition Scheme
Pravir Singh Gupta, Xin Yuan, Gwan Seong Choi
We investigate the power and performance improvement in image acquisition devices by the use of CAS (Compressed Acquisition Scheme) and DNN (Deep Neural Networks). Towards this end…
CVR: A Continuously Variable Rate LDPC Decoder Using Parity Check Extension for Minimum Latency
Sina Pourjabar, Gwan S. Choi
This brief presents a novel IEEE 802.16e (WiMAX) based decoder that performs close to the 5G code but without the expensive hardware re-development cost. The design uses an extensi…
High Order M-QAM Massive MIMO Detector with Low Computational Complexity for 5G Systems
Vishnupraneeth Reddy, Pravir Singh Gupta, Gwan Seong Choi
In this work, the behaviour of bit error rates for both conventional and massive MIMO systems with high order constellations, which are essential to achieve spectral efficiency for…
Image Acquisition System Using On Sensor Compressed Sampling Technique
Pravir Singh Gupta, Gwan Seong Choi
Advances in CMOS technology have made high resolution image sensors possible. These image sensor pose significant challenges in terms of the amount of raw data generated, energy ef…
The Normalized Singular Value Decomposition of Non-Symmetric Matrices Using Givens fast Rotations
Ehsan Rohani, Gwan Choi, Mi Lu
In this paper we introduce the algorithm and the fixed point hardware to calculate the normalized singular value decomposition of a non-symmetric matrices using Givens fast (approx…
A Constituent Codes Oriented Code Construction Scheme for Polar Code-Aim to Reduce the Decoding Latency
Tiben Che, Gwan Choi
This paper proposes a polar code construction scheme that reduces constituent-code supplemented decoding latency. Constituent codes are the sub-codewords with specific patterns. Th…
An Efficient Partial Sums Generator for Constituent Code based Successive Cancellation Decoding of Polar Codes
Tiben Che, Gwan Choi
This paper proposes the architecture of partial sum generator for constituent codes based polar code decoder. Constituent codes based polar code decoder has the advantage of low la…
Hardware Architecture of Complex K-best MIMO Decoder
Mehnaz Rahman, Gwan S. Choi
This paper presents a hardware architecture of complex K-best Multiple Input Multiple Output (MIMO) decoder reducing the complexity of Maximum Likelihood (ML) detector. We develop…
Overlapped List Successive Cancellation Approach for Hardware Efficient Polar Code Decoder
Tiben Che, Jingwei Xu, Gwan Choi
This paper presents an efficient hardware design approach for list successive cancellation (LSC) decoding of polar codes. By applying path-overlapping scheme, the l instances of (l…
XJ-BP: Express Journey Belief Propagation Decoding for Polar Codes
Jingwei Xu, Tiben Che, Gwan Choi
This paper presents a novel propagation (BP) based decoding algorithm for polar codes. The proposed algorithm facilitates belief propagation by utilizing the specific constituent c…
TC: Throughput Centric Successive Cancellation Decoder Hardware Implementation for Polar Codes
Tiben Che, Jingwei Xu, Gwan Choi
This paper presents a hardware architecture of fast simplified successive cancellation (fast-SSC) algorithm for polar codes, which significantly reduces the decoding latency and dr…
Fixed Point Realization of Iterative LR-Aided Soft MIMO Decoding Algorithm
Mehnaz Rahman, Gwan S. Choi
Multiple-input multiple-output (MIMO) systems have been widely acclaimed in order to provide high data rates. Recently Lattice Reduction (LR) aided detectors have been proposed to…