39 citations
6 papers
Allocation of Repetition Redundancy in LoRa
Siddhartha Borkotoky, Christian Bettstetter, Udo Schilcher +1
We consider a multipoint-to-point network in which sensors periodically send measurements to a gateway. The system uses Long Range (LoRa) communications in a frequency band with du…
Concealing the identity of faces in oblique images with adaptive hopping Gaussian mixtures
Omair Sarwar, Bernhard Rinner, Andrea Cavallaro
Cameras mounted on Micro Aerial Vehicles (MAVs) are increasingly used for recreational photography. However, aerial photographs of public places often contain faces of bystanders t…
Precision of Pulse-Coupled Oscillator Synchronization on FPGA-Based Radios
Günther Brandner, Johannes Klinglmayr, Udo Schilcher +2
The precision of synchronization algorithms based on the theory of pulse-coupled oscillators is evaluated on FPGA-based radios for the first time. Measurements show that such algor…
A New Architecture of a Ubiquitous Health Monitoring System: A Prototype Of Cloud Mobile Health Monitoring System
Abderrahim Bourouis, Mohamed Feham, Abdelhamid Bouchachia
Wireless Body Area Sensor Networks (WBASN) is an emerging technology which uses wireless sensors to implement real-time wearable health monitoring of patients to enhance independen…
Direct vs. Two-Step Approach for Unique Word Generation in UW-OFDM
Alexander Onic, Mario Huemer
Unique word OFDM is a novel technique for constructing OFDM symbols, that has many advantages over cyclic prefix OFDM. In this paper we investigate two different approaches for the…
Using Layout Information for Spreadsheet Visualization
Sabine Hipfl
This paper extends a spreadsheet visualization technique by using layout information. The original approach identifies logically or semantically related cells by relying exclusivel…