Christian Schindelhauer

Orcid: 0000-0002-8320-8581

Affiliations:
  • University of Freiburg, Department of Computer Science, Germany


According to our database1, Christian Schindelhauer authored at least 146 papers between 1993 and 2024.

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Bibliography

2024
Robust time-of-arrival localization via ADMM.
J. Frankl. Inst., 2024

2023
A Low-Complexity Iterative Message Passing Algorithm for Robust RSS-TOA IoT Localization.
IEEE Internet Things J., September, 2023

Convex Relaxation Approaches to Robust RSS-TOA Based Source Localization in NLOS Environments.
IEEE Trans. Veh. Technol., August, 2023

Globally Optimized TDOA High-Frequency Source Localization Based on Quasi-Parabolic Ionosphere Modeling and Collaborative Gradient Projection.
IEEE Trans. Aerosp. Electron. Syst., February, 2023

A Message Passing Based Iterative Algorithm for Robust TOA Positioning in Impulsive Noise.
IEEE Trans. Veh. Technol., 2023

Airborne Acoustic Chirp Spread Spectrum Communication System for User Identification in Indoor Localization.
IEEE Trans. Instrum. Meas., 2023

RAILS: 3-D Real-Time Angle of Arrival Ultrasonic Indoor Localization System.
IEEE Trans. Instrum. Meas., 2023

Robust Matrix Completion for Elliptic Positioning in the Presence of Outliers and Missing Data.
IEEE Trans. Geosci. Remote. Sens., 2023

Adding Pull to Push Sum for Approximate Data Aggregation.
Proceedings of the Stabilization, Safety, and Security of Distributed Systems, 2023

Simulation of a First Prototypical 3D Solution for Indoor Localization Based on Directed and Reflected Signals.
Proceedings of the WiP Proceedings of the Thirteenth International Conference on Indoor Positioning and Indoor Navigation - Work-in-Progress Papers (IPIN-WiP 2023) co-located with 13th International Conference on Indoor Positioning and Indoor Navigation (IPIN 2023), Nuremberg, Germany, September 25, 2023

2022
Error-Reduced Elliptic Positioning via Joint Estimation of Location and a Balancing Parameter.
IEEE Signal Process. Lett., 2022

Approximate Time-Series Data Aggregation Using Grouping Nodes in Peer to Peer Network.
Proceedings of the Highlights in Practical Applications of Agents, Multi-Agent Systems, and Complex Systems Simulation. The PAAMS Collection, 2022

Trade off between Accuracy and Message Complexity for Approximate Data Aggregation.
Proceedings of the 18th International Conference on Distributed Computing in Sensor Systems, 2022

2021
An Echo Suppression Delay Estimator for Angle-of-Arrival Ultrasonic Indoor Localization.
IEEE Trans. Instrum. Meas., 2021

Robust TDOA Source Localization Based on Lagrange Programming Neural Network.
IEEE Signal Process. Lett., 2021

TDOA-based localization with NLOS mitigation via robust model transformation and neurodynamic optimization.
Signal Process., 2021

Comparison of Direct Intersection and Sonogram Methods for Acoustic Indoor Localization of Persons.
Sensors, 2021

Asynchronous Chirp Slope Keying for Underwater Acoustic Communication.
Sensors, 2021

Simulation-Based Resilience Quantification of an Indoor Ultrasound Localization System in the Presence of Disruptions.
Sensors, 2021

Closed-loop and open-loop authentication protocols for blockchain-based IoT systems.
Inf. Process. Manag., 2021

Maximum Correntropy Criterion for Robust TOA-Based Localization in NLOS Environments.
Circuits Syst. Signal Process., 2021

QUDOS: quorum-based cloud-edge distributed DNNs for security enhanced industry 4.0.
Proceedings of the UCC '21: 2021 IEEE/ACM 14th International Conference on Utility and Cloud Computing, Leicester, United Kingdom, December 6, 2021

Logarithmic Time MIMO Based Self-Stabilizing Clock Synchronization.
Proceedings of the NANOCOM '21: The Eighth Annual ACM International Conference on Nanoscale Computing and Communication, Virtual Event, Italy, September 7, 2021

Two Efficient and Easy-to-Use NLOS Mitigation Solutions to Indoor 3-D AOA-Based Localization.
Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2021

Localization of Acoustic Gas Leakage Sources with a Circular Microphone Array.
Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2021

2020
D2D Resource Allocation with Power Control Based on Multi-player Multi-armed Bandit.
Wirel. Pers. Commun., 2020

Exploiting Acoustic Echoes for Smartphone Localization and Microphone Self-Calibration.
IEEE Trans. Instrum. Meas., 2020

Acoustic Indoor Localization Augmentation by Self-Calibration and Machine Learning.
Sensors, 2020

Concealed Communication in Online Social Networks.
CoRR, 2020

Revocable Access to Encrypted Message Boards.
Proceedings of the Security and Trust Management - 16th International Workshop, 2020

Averaging Emulated Time-Series Data Using Approximate Histograms in Peer to Peer Networks.
Proceedings of the Highlights in Practical Applications of Agents, Multi-Agent Systems, and Trust-worthiness. The PAAMS Collection, 2020

A Proxy-Based Encrypted Online Social Network With Fine-Grained Access.
Proceedings of the IEEE International Conference on Intelligence and Security Informatics, 2020

Partitioned Private User Storages in End-to-End Encrypted Online Social Networks.
Proceedings of the 15th International Conference for Internet Technology and Secured Transactions, 2020

Crucial and Redundant Shares and Compartments in Secret Sharing.
Proceedings of the 17th IEEE/ACS International Conference on Computer Systems and Applications, 2020

2019
Collaborative Broadcast in O(log log n) Rounds.
CoRR, 2019

Robust Elliptic Localization Using Worst-Case Formulation and Convex Approximation.
Proceedings of the 16th Workshop on Positioning, Navigation and Communications, 2019

End-to-End Encryption Schemes for Online Social Networks.
Proceedings of the Security, Privacy, and Anonymity in Computation, Communication, and Storage, 2019

Grouping Scheme to Improve Resource Block Utilization in D2D Communications.
Proceedings of the 2019 IEEE Globecom Workshops, Waikoloa, HI, USA, December 9-13, 2019, 2019

Collaborative Broadcast in 풪(\log \log n) Rounds.
Proceedings of the Algorithms for Sensor Systems, 2019

2018
Localization System based on Ultra Low-power Radio Landmarks.
Proceedings of the 7th International Conference on Sensor Networks, 2018

Using Bluetooth Low Energy to trigger an ultra-low power FSK wake-up receiver.
Proceedings of the 25th IEEE International Conference on Electronics, Circuits and Systems, 2018

A Security Model based Authorization Concept for OPC Unified Architecture.
Proceedings of the 10th International Conference on Advances in Information Technology, 2018

2017
Acoustic NLOS Identification Using Acoustic Channel Characteristics for Smartphone Indoor Localization.
Sensors, 2017

Exploiting Concurrent Wake-Up Transmissions Using Beat Frequencies.
Sensors, 2017

T-ROME: A simple and energy efficient tree routing protocol for low-power wake-up receivers.
Ad Hoc Networks, 2017

Improving the performance of the cross-layer wake-up routing protocol T-ROME.
Proceedings of the 13th International Wireless Communications and Mobile Computing Conference, 2017

Cyclone codes.
Proceedings of the 2017 IEEE International Symposium on Information Theory, 2017

2016
Turning interferences into noise in ad hoc networks.
Telecommun. Syst., 2016

Convergecast Algorithms for Wake-up Transceivers.
Proceedings of the SENSORNETS 2016, 2016

Exploiting ground reflection for robust 3D smartphone localization.
Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2016

2015
Strategies for parallel unaware cleaners.
Theor. Comput. Sci., 2015

The wake up dominating set problem.
Theor. Comput. Sci., 2015

Receiving Pseudorandom PSK.
CoRR, 2015

Indoor-localization system for smart phones.
Proceedings of the IEEE International Workshop on Measurements & Networking, 2015

Single transceiver device-free indoor localization using ultrasound body reflections and walls.
Proceedings of the 2015 International Conference on Indoor Positioning and Indoor Navigation, 2015

Indoor localization system for emergency responders with ultra low-power radio landmarks.
Proceedings of the 2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings, 2015

2014
Polynomial-time approximation algorithms for anchor-free TDoA localization.
Theor. Comput. Sci., 2014

Ad-Hoc Network Unicast in Time O(log log n) using Beamforming.
CoRR, 2014

Cooperative beamforming in ad-hoc networks with sublinear transmission power.
Proceedings of the IEEE 10th International Conference on Wireless and Mobile Computing, 2014

Self-synchronized Cooperative Beamforming in Ad-Hoc Networks.
Proceedings of the Stabilization, Safety, and Security of Distributed Systems, 2014

A Recursive Approach to Multi-robot Exploration of Trees.
Proceedings of the Structural Information and Communication Complexity, 2014

Towards Load Balancing and Parallelizing of RDF Query Processing in P2P Based Distributed RDF Data Stores.
Proceedings of the 22nd Euromicro International Conference on Parallel, 2014

Unsynchronized ultrasound system for TDOA localization.
Proceedings of the 2014 International Conference on Indoor Positioning and Indoor Navigation, 2014

Real-time communication based on IEEE 802.11b/g for automation of agricultural vehicles.
Proceedings of the IEEE Global Humanitarian Technology Conference, 2014

Low-power simplex ultrasound communication for indoor localization.
Proceedings of the 22nd European Signal Processing Conference, 2014

Acoustic indoor-localization system for smart phones.
Proceedings of the IEEE 11th International Multi-Conference on Systems, Signals & Devices, 2014

2013
Calibration-free TDOA self-localisation.
J. Locat. Based Serv., 2013

Broadcasting in logarithmic time for ad hoc network nodes on a line using mimo.
Proceedings of the 25th ACM Symposium on Parallelism in Algorithms and Architectures, 2013

Maximum Distance Separable Codes Based on Circulant Cauchy Matrices.
Proceedings of the Structural Information and Communication Complexity, 2013

Robust tracking of a mobile receiver using unsynchronized time differences of arrival.
Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2013

Effects of Network Structure Improvement on Distributed RDF Querying.
Proceedings of the Data Management in Cloud, Grid and P2P Systems, 2013

Optimal data distribution for heterogeneous parallel storage servers streaming media files.
Proceedings of the IEEE 4th International Conference on Cognitive Infocommunications, 2013

Minimal Solvers for Unsynchronized TDOA Sensor Network Calibration.
Proceedings of the Algorithms for Sensor Systems, 2013

2012
Self-Localization based on Ambient Signals.
Theor. Comput. Sci., 2012

An erasure-resilient encoding system for flexible reading and writing in storage networks.
ACM Trans. Auton. Adapt. Syst., 2012

Analyzing randomly placed multiple antennas for MIMO wireless communication.
Proceedings of the 8th IEEE International Conference on Wireless and Mobile Computing, 2012

Online multi-robot exploration of grid graphs with rectangular obstacles.
Proceedings of the 24th ACM Symposium on Parallelism in Algorithms and Architectures, 2012

Rethinking Java call stack design for tiny embedded devices.
Proceedings of the SIGPLAN/SIGBED Conference on Languages, 2012

Robust tracking of a mobile beacon using time differences of arrival with simultaneous calibration of receiver positions.
Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation, 2012

Acoustic Self-calibrating System for Indoor Smartphone Tracking (ASSIST).
Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation, 2012

Polynomial Time Approximation Algorithms for Localization Based on Unknown Signals.
Proceedings of the Algorithms for Sensor Systems, 2012

2011
Utilising coverage holes and wireless relays for mobile target tracking.
Int. J. Ad Hoc Ubiquitous Comput., 2011

Optimal File-Distribution in Heterogeneous and Asymmetric Storage Networks.
Proceedings of the SOFSEM 2011: Theory and Practice of Computer Science, 2011

Network Synchronization and Localization Based on Stolen Signals.
Proceedings of the Structural Information and Communication Complexity, 2011

Offline GC: trashing reachable objects on tiny devices.
Proceedings of the 9th International Conference on Embedded Networked Sensor Systems, 2011

A Case Study in Practical Security of Cable Networks.
Proceedings of the Future Challenges in Security and Privacy for Academia and Industry, 2011

Anchor-free TDOA self-localization.
Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation, 2011

Hashing.
Proceedings of the Algorithms Unplugged, 2011

2010
Utilizing detours for energy conservation in mobile wireless networks.
Telecommun. Syst., 2010

Tree network coding for peer-to-peer networks.
Proceedings of the SPAA 2010: Proceedings of the 22nd Annual ACM Symposium on Parallelism in Algorithms and Architectures, 2010

Coverage-hole trap model in target tracking using distributed relay-robot network.
Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), 2010

Self-localization application for iPhone using only ambient sound signals.
Proceedings of the 2010 International Conference on Indoor Positioning and Indoor Navigation, 2010

A Self-Stabilizing Locality-Aware Peer-to-Peer Network Combining Random Networks, Search Trees, and DHTs.
Proceedings of the 16th IEEE International Conference on Parallel and Distributed Systems, 2010

Optimized Java Binary and Virtual Machine for Tiny Motes.
Proceedings of the Distributed Computing in Sensor Systems, 2010

Decentralized hash tables for mobile robot teams solving intra-logistics tasks.
Proceedings of the 9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), 2010

2009
Improving the average delay of sorting.
Theor. Comput. Sci., 2009

Minimal Energy Path Planning for Wireless Robots.
Mob. Networks Appl., 2009

Read-Write-Codes: An Erasure Resilient Encoding System for Flexible Reading and Writing in Storage Networks.
Proceedings of the Stabilization, 2009

Classifying peer-to-peer network coding schemes.
Proceedings of the SPAA 2009: Proceedings of the 21st Annual ACM Symposium on Parallelism in Algorithms and Architectures, 2009

Smart ring: utilizing coverage holes for mobile target tracking.
Proceedings of the MEDES '09: International ACM Conference on Management of Emergent Digital EcoSystems, 2009

Improving geometric distance estimation for sensor networks and unit disk graphs.
Proceedings of the International Conference on Ultra Modern Telecommunications, 2009

Paircoding: Improving File Sharing Using Sparse Network Codes.
Proceedings of the Fourth International Conference on Internet and Web Applications and Services, 2009

DT-DYMO: Delay-Tolerant Dynamic MANET On-demand Routing.
Proceedings of the 29th IEEE International Conference on Distributed Computing Systems Workshops (ICDCS 2009 Workshops), 2009

2008
Hashing.
Proceedings of the Taschenbuch der Algorithmen, 2008

Introducing TakaTuka: a java virtualmachine for motes.
Proceedings of the 6th International Conference on Embedded Networked Sensor Systems, 2008

Detours Save Energy in Mobile Wireless Networks.
Proceedings of the Wireless and Mobile Networking, IFIP Joint Conference on Mobile and Wireless Communications Networks (MWCN'2008) and Personal Wireless Communications (PWC'2008), Toulouse, France, September 30, 2008

Energy-Efficient Distributed Target Tracking Using Wireless Relay Robots.
Proceedings of the Distributed Autonomous Robotic Systems 8, 2008

2007
Geometric spanners with applications in wireless networks.
Comput. Geom., 2007

Why Robots Need Maps.
Proceedings of the Structural Information and Communication Complexity, 2007

2006
Resource Efficient Maintenance of Wireless Network Topologies.
J. Univers. Comput. Sci., 2006

Distributed random digraph transformations for peer-to-peer networks.
Proceedings of the SPAA 2006: Proceedings of the 18th Annual ACM Symposium on Parallelism in Algorithms and Architectures, Cambridge, Massachusetts, USA, July 30, 2006

Mobility in Wireless Networks.
Proceedings of the SOFSEM 2006: Theory and Practice of Computer Science, 2006

Smart Robot Teams Exploring Sparse Trees.
Proceedings of the Mathematical Foundations of Computer Science 2006, 2006

Online Multi-path Routing in a Maze.
Proceedings of the Algorithms and Computation, 17th International Symposium, 2006

Oblivious parallel probabilistic channel utilization without control channels.
Proceedings of the 20th International Parallel and Distributed Processing Symposium (IPDPS 2006), 2006

Distributed coloring in O~(⎷(log n)) bit rounds.
Proceedings of the 20th International Parallel and Distributed Processing Symposium (IPDPS 2006), 2006

SAN Optimal Multi Parameter Access Scheme.
Proceedings of the Fifth International Conference on Networking and the International Conference on Systems (ICN / ICONS / MCL 2006), 2006

Power-Aware Collective Tree Exploration.
Proceedings of the Architecture of Computing Systems, 2006

2005
Weighted distributed hash tables.
Proceedings of the SPAA 2005: Proceedings of the 17th Annual ACM Symposium on Parallelism in Algorithms and Architectures, 2005

Peer-to-peer networks based on random transformations of connected regular undirected graphs.
Proceedings of the SPAA 2005: Proceedings of the 17th Annual ACM Symposium on Parallelism in Algorithms and Architectures, 2005

Competitive Time and Traffic Analysis of Position-Based Routing using a Cell Structure.
Proceedings of the 19th International Parallel and Distributed Processing Symposium (IPDPS 2005), 2005

On Approximating Real-World Halting Problems.
Proceedings of the Fundamentals of Computation Theory, 15th International Symposium, 2005

Online Routing in Faulty Meshes with Sub-linear Comparative Time and Traffic Ratio.
Proceedings of the Algorithms, 2005

Probability Distributions for Channel Utilisation.
Proceedings of the Ad-Hoc, Mobile, and Wireless Networks, 4th International Conference, 2005

Performance Analysis of the Hierarchical Layer Graph for Wireless Networks.
Proceedings of the Ad-Hoc, Mobile, and Wireless Networks, 4th International Conference, 2005

2004
Congestion, Dilation, and Energy in Radio Networks.
Theory Comput. Syst., 2004

The design of PaMaNet the Paderborn mobile ad-hoc network.
Proceedings of the Second International Workshop on Mobility Management & Wireless Access Protocols, 2004

Spanners, Weak Spanners, and Power Spanners for Wireless Networks.
Proceedings of the Algorithms and Computation, 15th International Symposium, 2004

2003
Worst case mobility in ad hoc networks.
Proceedings of the SPAA 2003: Proceedings of the Fifteenth Annual ACM Symposium on Parallelism in Algorithms and Architectures, 2003

Performance of Distributed Algorithms for Topology Control in Wireless Networks.
Proceedings of the 17th International Parallel and Distributed Processing Symposium (IPDPS 2003), 2003

2002
Energy, congestion and dilation in radio networks.
Proceedings of the Fourteenth Annual ACM Symposium on Parallel Algorithms and Architectures, 2002

Distributed Maintenance of Resource Efficient Wireless Network Topologies (Distinguished Paper).
Proceedings of the Euro-Par 2002, 2002

2001
Tree-Approximations for the Weighted Cost-Distance Problem.
Proceedings of the Algorithms and Computation, 12th International Symposium, 2001

Efficient Addition on Field Programmable Gate Arrays.
Proceedings of the FST TCS 2001: Foundations of Software Technology and Theoretical Computer Science, 2001

Discrete Prediction Games with Arbitrary Feedback and Loss.
Proceedings of the Computational Learning Theory, 2001

2000
Randomized Rumor Spreading.
Proceedings of the 41st Annual Symposium on Foundations of Computer Science, 2000

On the inapproximability of broadcasting time.
Proceedings of the Approximation Algorithms for Combinatorial Optimization, 2000

1999
Malign Distributions for Average Case Circuit Complexity.
Inf. Comput., 1999

The Non-Recursive Power of Erroneous Computation.
Proceedings of the Foundations of Software Technology and Theoretical Computer Science, 1999

1998
The complexity of broadcasting in planar and decomposable graphs.
Discret. Appl. Math., 1998

1997
An Average Complexity Measure that Yields Tight Hierarchies.
Comput. Complex., 1997

1996
On the Complexity of Worst Case and Expected Time in a Circuit.
Proceedings of the STACS 96, 1996

Average- und Median-Komplexitätsklassen.
PhD thesis, 1996

1994
Circuit complexity: from the worst case to the average case.
Proceedings of the Twenty-Sixth Annual ACM Symposium on Theory of Computing, 1994

The Average Case Complexity of the Parallel Prefix Problem.
Proceedings of the Automata, Languages and Programming, 21st International Colloquium, 1994

1993
Precise Average Case Complexity.
Proceedings of the STACS 93, 1993


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