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--- Timezone: UTC
Creation date: 2025-02-19
Creation time: 11-53-54
--- Number of references
6
article
2014-cheng-acta-geodyn-geomater
Use of MEMS accelerometers/inclinometers as a geotechnical monitoring method for ground subsidence
Acta Geodynamica et Geomaterialia
2014
10
8
11
4
1--12
Accelerometer and inclinometer are inertial sensors capable of measuring corresponding magnitude of Earth gravitational field along the direction of each axis. By means of rotation matrices related to inertial navigation methods, the output values of a three-dimensional accelerometer or a two-dimensional inclinometer can be transformed and processed into the azimuth and dip angle of the monitored target. With the rapid growth in development and cost reduction of Micro Electro Mechanical Systems (MEMS) and Wireless Sensor Network (WSN) in recent years, the engineers are able to carry out real-time wireless geotechnical monitoring during construction. In this paper, we set up a one-day measurement implemented by a self- developed wireless MEMS monitoring system on the surface in the construction site of South Hongmei Road super high way tunnel in Shanghai, by making use of rotation matrices in specific ways, the raw data are processed to expressions of three-dimensional normal vectors that represent the change of the ground. After unifying the vectors in the same coordinate system, we conduct a brief ground settlement analysis by means of an evaluation of the dip angles in the cross section and the azimuths of the sensor nodes.
http://www.irsm.cas.cz/index_en.php?page=acta_detail_doi&id=96
Online
Institute of Rock Structure and Mechanics of the ASCR, v.v.i.
Prague, Czech Republic
Online
en
2336-4351
10.13168/AGG.2014.0015
1
ChengLi
TomásFernández-Steeger
Jó AgilaBitsch Link
MatthiasMay
RafigAzzam
conference
parruca_2014ICIC
Semi-Static Interference Coordination in OFDMA/LTE Networks: Evaluation of Practical Aspects
2014
9
21
To minimize interference in LTE networks, several inter-cell
interference coordination (ICIC) techniques have been in-
troduced. Among them, semi-static ICIC offers a balanced
trade-off between applicability and system performance. The
power allocation per resource block and cell is adapted in
the range of seconds according to the load in the system.
An open issue in the literature is the question how fast the
adaptation should be performed. This leads basically to a
trade-off between system performance and feasible compu-
tation times of the associated power allocation problems. In
this work, we close this open issue by studying the impact
that different durations of update times of semi-static ICIC
have on the system performance. We conduct our study
on realistic scenarios considering also the mobility of mobile terminals. Secondly, we also consider the implementation aspects of a semi-static ICIC. We introduce a very efficient implementation on general purpose graphic processing units, harnessing the parallel computing capability of such devices. We show that the update periods have a significant impact on the performance of cell edge terminals. Additionally, we present a graphic processing unit (GPU) based implementation which speeds up existing implementations up to a factor of 92x.
OFDMA; LTE; ICIC; Inter-Cell Interference Coordination;
GPU; GA; Genetic Algorithm; 4G; Cellular Networks; In-
terference; Proportional Fair Scheduling
ACM
ACM
Proceedings of the 17th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM-14)
Montreal, QC, Canada
International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM-14)
September 21-26 2014
http://dx.doi.org/10.1145/2641798.2641818
1
DonaldParruca
FahadAizaz
SoamsiriChantaraskul
JamesGross
inproceedings
2014-aktas-wintech-a-framework-for-remote-automation-configuration-and-monitoring
A Framework for Remote Automation, Configuration, and Monitoring of Real-World Experiments
2014
9
7
1--8
crawler
fileadmin/papers/2014/2014-aktas-wintech-remote-cross-layer.pdf
Online
ACM
Proceedings of the 9th ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2014), Hawaii, USA
Hawaii, USA
9th ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2014)
7 September 2014
en
978-1-4503-3072-5
10.1145/2643230.2643236
1
IsmetAktas
OscarPuñal
FlorianSchmidt
TobiasDrüner
KlausWehrle
inproceedings
2014-aktas-punal-wowmom-machine-learning-based-jamming-detection-for-80211-conference
Machine Learning-based Jamming Detection for IEEE 802.11: Design and Experimental Evaluation
Proceedings of the 15th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'14), Sydney, Australia
2014
6
16
1--10
crawler
fileadmin/papers/2014/2014-aktas-wowmom-jammingdetection.pdf
Online
IEEE
Proceedings of the 15th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'14), Sydney, Australia
Sydney
15th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'14)
16-19 June, 2014
en
1
OscarPuñal
IsmetAktas
Caj-JulianSchnelke
GloriaAbidin
JamesGross
KlausWehrle
inproceedings
2014-comsnets-aktas-graph-based-redundancy-removal
Graph-based Redundancy Removal Approach for Multiple Cross-Layer Interactions
2014
1
7
1-8
crawler
http://www.comsys.rwth-aachen.de/fileadmin/papers/2014/2014-aktas-comsnets-redundancy.pdf
Online
IEEE
Proceedings of the 2014 Sixth International Conference on Communication Systems and Networks (COMSNETS), Bangalore, India
Bangalore, India
2014 Sixth International Conference on Communication Systems and Networks (COMSNETS)
7-10 January, 2014
en
978-1-4799-3635-9
10.1109/COMSNETS.2014.6734899
1
IsmetAktas
MartinHenze
Muhammad HamadAlizai
KevinMöllering
KlausWehrle
article
2014-alizai-pad-jnca
Probabilistic Location-Free Addressing in Wireless Networks
Elsevier Journal of Network and Computer Applications (JNCA)
2014
unpublished
en
1
Muhammad HamadAlizai
KlausWehrle