647 citations · 1.4k across the 61 of their papers we have counts for
72 papers
High-throughput Low-latency Hardware Implementation of BCH Decoders
Jasper Lagendijk, Wenqing Song, Yunus Can Gültekin +3
Two well-known decoding algorithms for BCH codes are conventional decoding, based on the Berlekamp-Massey algorithm in combination with Chien search, and direct decoding, which use…
Syndrome Adaptive Gain Control for Min-Sum Decoding of Quantum LDPC Codes
Hernan Cordova, Alexios Balatsoukas-Stimming, Yunus Can Gültekin +2
Min-Sum (MS) decoding is a popular low-complexity alternative to belief propagation (BP), retaining only the minimum incoming message magnitude during check-node (CN) processing, a…
On LLR Mismatch in Belief Propagation Decoding of Overcomplete QLDPC Codes
Hernan Cordova, Alexios Balatsoukas-Stimming, Gabriele Liga +2
Belief propagation (BP) decoding of quantum low density parity check (QLDPC) codes is often implemented using overcomplete stabilizer (OS) representations, where redundant parity c…
Lowering Error Floors for Hard Decision Decoding of OFEC Code
Jasper Lagendijk, Yunus Can Gültekin, Alexios Balatsoukas-Stimming +2
Stall patterns are known to cause an error floor in hard decision decoding of the OFEC code. We propose a novel stall pattern removal algorithm that lowers the error floor of state…
Generalized Restart Mechanism for Successive-Cancellation Flip Decoding of Polar Codes
Ilshat Sagitov, Charles Pillet, Alexios Balatsoukas-Stimming +1
Polar codes are a class of linear error-correction codes that have received a lot of attention due to their ability to achieve channel capacity in an arbitrary binary discrete memo…
ComplexBeat: Breathing Rate Estimation from Complex CSI
Sitian Li, Andreas Toftegaard Kristensen, Andreas Burg +1
In this paper, we explore the use of channel state information (CSI) from a WiFi system to estimate the breathing rate of a person in a room. In order to extract WiFi CSI component…
Training Channel Selection for Learning-based 1-bit Precoding in Massive MU-MIMO
Sitian Li, Andreas Burg, Alexios Balatsoukas-Stimming
Learning-based algorithms have gained great popularity in communications since they often outperform even carefully engineered solutions by learning from training samples. In this…
An SDR-Based Monostatic Wi-Fi System with Analog Self-Interference Cancellation for Sensing
Andreas Toftegaard Kristensen, Alexios Balatsoukas-Stimming, Andreas Burg
Wireless sensing offers an alternative to wearables for contactless monitoring of human activity and vital signs. However, most existing systems use bistatic setups, which suffer f…
Edge-Spreading Raptor-Like LDPC Codes for 6G Wireless Systems
Yuqing Ren, Leyu Zhang, Yifei Shen +4
Next-generation channel coding has stringent demands on throughput, energy consumption, and error rate performance while maintaining key features of 5G New Radio (NR) standard code…
Hardware Implementation of Projection-Aggregation Decoders for Reed-Muller Codes
Marzieh Hashemipour-Nazari, Andrea Nardi-Dei, Kees Goossens +1
This paper presents the hardware implementation of two variants of projection-aggregation-based decoding of Reed-Muller (RM) codes, namely unique projection aggregation (UPA) and c…
A Node-Based Polar List Decoder with Frame Interleaving and Ensemble Decoding Support
Yuqing Ren, Leyu Zhang, Ludovic Damien Blanc +5
Node-based successive cancellation list (SCL) decoding has received considerable attention in wireless communications for its significant reduction in decoding latency, particularl…
A Generalized Adjusted Min-Sum Decoder for 5G LDPC Codes: Algorithm and Implementation
Yuqing Ren, Hassan Harb, Yifei Shen +2
5G New Radio (NR) has stringent demands on both performance and complexity for the design of low-density parity-check (LDPC) decoding algorithms and corresponding VLSI implementati…
Unrolled and Pipelined Decoders based on Look-Up Tables for Polar Codes
Pascal Giard, Syed Aizaz Ali Shah, Alexios Balatsoukas-Stimming +2
Unrolling a decoding algorithm allows to achieve extremely high throughput at the cost of increased area. Look-up tables (LUTs) can be used to replace functions otherwise implement…
Successive-Cancellation Flip Decoding of Polar Codes with a Simplified Restart Mechanism
Ilshat Sagitov, Charles Pillet, Alexios Balatsoukas-Stimming +1
Polar codes are a class of error-correcting codes that provably achieve the capacity of practical channels. The successive-cancellation flip (SCF) decoder is a low-complexity decod…
Band-of-Interest-based Channel Impulse Response Fusion for Breathing Rate Estimation with UWB
Sitian Li, Alexios Balatsoukas-Stimming, Andreas Burg
The channel impulse response (CIR) obtained from the channel estimation step of various wireless systems is a widely used source of information in wireless sensing. Breathing rate…
Single-anchor UWB Localization using Channel Impulse Response Distributions
Sitian Li, Alexios Balatsoukas-Stimming, Andreas Burg
Ultra-wideband (UWB) devices are widely used in indoor localization scenarios. Single-anchor UWB localization shows advantages because of its simple system setup compared to conven…
Recursive/Iterative unique Projection-Aggregation of RM codes
Marzieh Hashemipour-Nazari, Renate Debets, Kees Goossens +1
We describe recursive unique projection-aggregation (RUPA) decoding and iterative unique projection-aggregation (IUPA) decoding of Reed-Muller (RM) codes, which remove non-unique p…
High-Throughput Flexible Belief Propagation List Decoder for Polar Codes
Yuqing Ren, Yifei Shen, Leyu Zhang +4
Owing to its high parallelism, belief propagation (BP) decoding is highly amenable to high-throughput implementations and thus represents a promising solution for meeting the ultra…
Pipelined Architecture for Soft-decision Iterative Projection Aggregation Decoding for RM Codes
Marzieh Hashemipour-Nazari, Yuqing Ren, Kees Goossens +1
The recently proposed recursive projection-aggregation (RPA) decoding algorithm for Reed-Muller codes has received significant attention as it provides near-ML decoding performance…
Multi-Factor Pruning for Recursive Projection-Aggregation Decoding of RM Codes
Marzieh Hashemipour-Nazari, Kees Goossens, Alexios Balatsoukas-Stimming
The recently introduced recursive projection aggregation (RPA) decoding method for Reed-Muller (RM) codes can achieve near-maximum likelihood (ML) decoding performance. However, it…
Reducing the Error Floor of the Sign-Preserving Min-Sum LDPC Decoder via Message Weighting of Low-Degree Variable Nodes
Lotte Paulissen, Alex Alvarado, Kaiquan Wu +1
Some low-complexity LDPC decoders suffer from error floors. We apply iteration-dependent weights to the degree-3 variable nodes to solve this problem. When the 802.3ca EPON LDPC co…
A Sequence Repetition Node-Based Successive Cancellation List Decoder for 5G Polar Codes: Algorithm and Implementation
Yuqing Ren, Andreas Toftegaard Kristensen, Yifei Shen +3
Due to the low-latency and high-reliability requirements of 5G, low-complexity node-based successive cancellation list (SCL) decoding has received considerable attention for use in…
A Soft-Aided Staircase Decoder Using Three-Level Channel Reliabilities
Yi Lei, Bin Chen, Gabriele Liga +3
The soft-aided bit-marking (SABM) algorithm is based on the idea of marking bits as highly reliable bits (HRBs), highly unreliable bits (HUBs), and uncertain bits to improve the pe…
On the Implementation Complexity of Digital Full-Duplex Self-Interference Cancellation
Andreas Toftegaard Kristensen, Alexios Balatsoukas-Stimming, Andreas Burg
In-band full-duplex systems promise to further increase the throughput of wireless systems, by simultaneously transmitting and receiving on the same frequency band. However, concur…