647 citations · 1.6k across the 54 of their papers we have counts for
62 papers
Centralized RAN for Future Low-Power Wide-Area Networks: A LoRa Case Study
Joachim Tapparel, Amavi Dossa, El Mehdi Amhoud +1
In recent years, low-power wide-area network (LPWAN) technologies have gained significant traction as a connectivity option for Internet of Things (IoT) applications. While these n…
Enabling Ultra-Low-Power Always-On Feedforward Leakage Suppression Logic Circuits with FDSOI
Clément Choné, Leslie Xu, Filippo Quadri +5
The growing deployment of real-time applications on wearable and Internet of Things (IoT) edge devices has intensified the need for energy-efficient, high-performance systems that…
Reducing Power Consumption of Embedded Dynamic Memories with ECCs
Wenqing Song, Yifei Shen, Andreas Burg
Gain-cell embedded dynamic random-access memory (GCRAM) offers dense and energy-efficient on-chip storage, but retention-time variations force frequent refresh operations to cover…
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…
Lifted Gabidulin Construction for LDPC Representations of Finite Geometry Codes
Yifei Shen, Andreas Burg
Finite geometry (FG) codes combine the algebraic properties of classical block codes with the iterative belief propagation (BP) decoding ability of low-density parity-check~(LDPC)…
Maximum Coverage Chase Decoder for Optical Interconnects
Alessandro Cardinale, Wenqing Song, Bin Chen +3
We propose a low-complexity Chase decoder for optical interconnects that formulates test pattern selection as a generalized maximum coverage problem. For concatenated RS-BCH and oF…
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…
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…
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…
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…
Increasing Cellular Network Energy Efficiency for Railway Corridors
Adrian Schumacher, Ruben Merz, Andreas Burg
Modern trains act as Faraday cages making it challenging to provide high cellular data capacities to passengers. A solution is the deployment of linear cells along railway tracks,…
Spreading Factor assisted LoRa Localization with Deep Reinforcement Learning
Yaya Etiabi, Mohammed JOUHARI, Andreas Burg +1
Most of the developed localization solutions rely on RSSI fingerprinting. However, in the LoRa networks, due to the spreading factor (SF) in the network setting, traditional finger…
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…
Adding Indoor Capacity Without Fiber Backhaul: A mmWave Bridge Prototype
Adrian Schumacher, Ruben Merz, Andreas Burg
Today, a large portion of the mobile data traffic is consumed behind the shielding walls of buildings or in the Faraday cage of trains. This renders cellular network coverage from…
A mmWave Bridge Concept to Solve the Cellular Outdoor-to-Indoor Challenge
Adrian Schumacher, Ruben Merz, Andreas Burg
Wireless indoor coverage and data capacity are important aspects of cellular networks. With the ever-increasing data traffic, demand for more data capacity indoors is also growing.…
3.5 GHz Coverage Assessment with a 5G Testbed
Adrian Schumacher, Ruben Merz, Andreas Burg
Today, cellular networks have saturated frequencies below 3\,GHz. Because of increasing capacity requirements, 5th generation (5G) mobile networks target the 3.5\,GHz band (3.4 to…
OpenCSI: An Open-Source Dataset for Indoor Localization Using CSI-Based Fingerprinting
Arthur Gassner, Claudiu Musat, Alexandru Rusu +1
Many applications require accurate indoor localization. Fingerprint-based localization methods propose a solution to this problem, but rely on a radio map that is effort-intensive…
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…
A Maximum-Likelihood-based Multi-User LoRa Receiver Implemented in GNU Radio
Mathieu Xhonneux, Joachim Tapparel, Orion Afisiadis +2
LoRa is a popular low-power wide-area network (LPWAN) technology that uses spread-spectrum to achieve long-range connectivity and resilience to noise and interference. For energy e…
On the Advantage of Coherent LoRa Detection in the Presence of Interference
Orion Afisiadis, Sitian Li, Andreas Burg +1
It has been shown that the coherent detection of LoRa signals only provides marginal gains of around 0.7 dB on the additive white Gaussian noise (AWGN) channel. However, ALOHA-base…
Lupulus: A Flexible Hardware Accelerator for Neural Networks
Andreas Toftegaard Kristensen, Robert Giterman, Alexios Balatsoukas-Stimming +1
Neural networks have become indispensable for a wide range of applications, but they suffer from high computational- and memory-requirements, requiring optimizations from the algor…