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S-MIM field trials results
2014
International Journal of Satellite Communications And Networking
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An intelligent transport system open platform integrating the S-band Mobile Interactive Multimedia messaging return channel protocol over satellite (based on Enhanced Spread Spectrum Aloha) has been developed ...
Finally the validation of the system performances has been realized thanks to the use of a traffic emulator that can simulate a large population of Enhanced Spread Spectrum Aloha terminals. ...
They are in particular thankful to the FP7 and the European Commission for funding the SafeTRIP project. ...
doi:10.1002/sat.1069
fatcat:df7td3vmefdkjdfpmnb5hmwxrm
S-MIM: a novel radio interface for efficient messaging services over satellite
2013
IEEE Communications Magazine
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Thanks to the use of spread spectrum ALOHA, terminals can access the channel in a totally asynchronous manner. ...
E-SSA random access theoretical and simulated performance in case of lognormal distributed power unbalance (s = 2 dB) compared to conventional spread Aloha and slotted Aloha. ...
doi:10.1109/mcom.2013.6476875
fatcat:cupd37vrrbbqzj7nuoaypqmfn4
E-SSA satellite messaging return channel: Performance analysis and field trials results
2012
2012 6th Advanced Satellite Multimedia Systems Conference (ASMS) and 12th Signal Processing for Space Communications Workshop (SPSC)
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The messaging protocol, described in the Part 3 of the standard, is based on the Enhanced Spread Spectrum Aloha (E-SSA). ...
The presented results have been derived from static and mobile field trials carried out in Germany with fully functional E-SSA modulator and demodulator prototypes and the EUTELSAT10A satellite. ...
They are in particular thankful to the FP7 and the European Commission for funding the SafeTRIP project. ...
doi:10.1109/asms-spsc.2012.6333076
dblp:conf/asms-spsc/HeynNNRCHMAM12
fatcat:qpn2xa4aanczbc4y66ffb3gjse
Recent Advances in Design and Implementation of Satellite Gateways for Massive Uncoordinated Access Networks
2022
Sensors
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The key concept of the gateway is based on a novel receiver architecture that implements the linear minimum mean square error (MMSE) spread spectrum signal detection and successive interference cancellation ...
Tests were carried out in a representative laboratory environment emulating realistic system scenarios. ...
Opinions, interpretations, recommendations and conclusions expressed herein are those of the authors and are not necessarily endorsed by the European Space Agency. ...
doi:10.3390/s22020565
pmid:35062526
pmcid:PMC8779410
fatcat:nqismonncfcqhormxo6ivxaowy
Is Satellite Ahead of Terrestrial in Deploying NOMA for Massive Machine-Type Communications?
2021
Sensors
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It is shown that the developed solution, based on an Enhanced Spread ALOHA random access technique, achieves an unprecedented throughput, scalability and service cost and is well matched to several mMTC ...
The ongoing R&D lines covering both the ground segment capabilities enhancement and the extension to satellite on-board packet demodulation are also outlined. ...
F-SIM Key Implementation Aspects and Laboratory Test Results This section summarizes some key demodulator implementation aspects and the laboratory test results for some F-SIM waveforms previously introduced ...
doi:10.3390/s21134290
pmid:34201830
pmcid:PMC8271421
fatcat:nny6j4napre3hc26nupkp2q7pa
GAUSS satellite solution for location-based services
2004
International Journal of Satellite Communications And Networking
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The MTB is implemented to enable the testing of the wide area concept of enhancing GPS/GNSS-based navigation for civil aviation in Italy and elsewhere in the Mediterranean region. ...
GAUSS contributed to the TR 102 061 Packet Transmission Mode, as a system where S-UMTS packet data transmission had been designed, implemented, tested with real satellite capacity. ...
doi:10.1002/sat.775
fatcat:jiphdpfwq5amxcnuudu7urb5pi
Achieving DoD IP Modem interoperability utilizing the Joint IP Modem (JIPM)
2011
2011 - MILCOM 2011 Military Communications Conference
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This paper will discuss how next generation Internet Protocol (IP)based Satellite Communication (SATCOM) Modems can leverage the JIPM Standard to promote interoperability while providing enhanced features ...
This first-of-its-kind capability has been implemented in the JIPM. ...
ACKNOWLEDGMENT The authors wish to thank the following individuals for their contributions to this publication: Helge Fanebust, Umar Javed, Nalin Mehta and Joshua Friedman. ...
doi:10.1109/milcom.2011.6127743
dblp:conf/milcom/CatlinDPLDMK11
fatcat:h5ivlpsgkvcknou55nphvruivy
Advances in Underwater Acoustic Networking
[chapter]
2013
Mobile Ad Hoc Networking
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Furthermore, it is affected by fading, Doppler spread and multipath propagation. ...
The field of underwater acoustic networking is growing rapidly thanks to the key role it plays in many military and commercial applications. ...
Acknowledgements This chapter is based on material supported by the US National Science Foundation under grants CNS-1055945 and CNS-1126357. ...
doi:10.1002/9781118511305.ch23
fatcat:zq22thfjs5aovk3pfllf53mqce
Survey of Inter-satellite Communication for Small Satellite Systems: Physical Layer to Network Layer View
[article]
2016
arXiv
pre-print
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In this paper, we present the various researches being conducted in the small satellite community for implementing inter-satellite communications based on the Open System Interconnection (OSI) model. ...
Constellation of satellites provide improved spatial and temporal resolution of the target. ...
The research described in this paper was performed in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. ...
arXiv:1609.08583v2
fatcat:tzyqiyqbqfgkhk3dnctw5t4rfu
Implementation of Fog computing for reliable E-health applications
2015
2015 49th Asilomar Conference on Signals, Systems and Computers
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Specifically, we introduce a concept for sparse joint activity, channel and data detection in the context of the Coded ALOHA (FDMA) protocol. ...
In addition, we will improve on the performance of such Coded ALOHA protocols in terms of the resource efficiency. ...
We will also report on the results of protocol implementation and experimental validation of the architecture within an advanced softwaredefined radio (SDR) testbed. ...
doi:10.1109/acssc.2015.7421170
dblp:conf/acssc/CraciunescuMMKP15
fatcat:qm6mki5z6bcvrfimkmqjyrxaxm
Ping-pong beam training for reciprocal channels with delay spread
2015
2015 49th Asilomar Conference on Signals, Systems and Computers
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The goal is to use feedback to implement distributed transmit beamforming and nullforming, which form building blocks for SDMA. ...
We consider OFDM, with the node cluster adapting its transmissions so that destinations can use standard procedures for channel estimation and demodulation. ...
We will also report on the results of protocol implementation and experimental validation of the architecture within an advanced softwaredefined radio (SDR) testbed. ...
doi:10.1109/acssc.2015.7421451
dblp:conf/acssc/CarvalhoA15
fatcat:mqokuvnh3zg45licnfbgxyvxfu
Design of large polyphase filters in the Quadratic Residue Number System
2010
2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers
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The proposed method is tested with spaceborne InSAR images provided by the TerraSAR-X satellite. ...
In addition, to further reduce collisions and interference a novel method based on direct sequence spread spectrum is proposed and embedded in the UFH scheme. ...
doi:10.1109/acssc.2010.5757589
fatcat:ccxnu5owr5fyrcjcqukumerueq
Final Program
2021
2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring)
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Enhanced Energy Harvesting Irregular Repetition Slotted
ALOHA for Wireless Sensors Networks
4. ...
, Amazon’s Project Kuiper with 3236 LEO satellites , and Telesat LEO with 300 to
500 satellites. ...
doi:10.1109/vtc2021-spring51267.2021.9448675
fatcat:if5edc6u7zcc7jnl67jezth3je
Basic Telephony
[chapter]
2005
Telecommunication System Engineering
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The advice and strategies contained herein may not be suitable for your situation. You should consult with a professional where appropriate. ...
completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. ...
There are hybrid schemes between contention and reservation. In the fixed assigned multiple access, VSAT protocols are SCPC * /FDMA, CDMA (a spread spectrum technique), and TDMA. ...
doi:10.1002/0471728489.ch1
fatcat:rgsftd3davaj3gitme4j66l7ly
2020 Index IEEE Internet of Things Journal Vol. 7
2020
IEEE Internet of Things Journal
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., and Bose, R., Rateless-Code-Based Secure Cooperative Transmission Scheme for Industrial IoT; JIoT July 2020 6550-6565 Jamalipour, A., see Murali, S., JIoT Jan. 2020 379-388 James, L.A., see Wanasinghe ...
., +, JIoT Sept. 2020 8525-8546 Optimal Irregular Repetition Slotted ALOHA Under Total Transmit Power Constraint in IoT-Oriented Satellite Networks. ...
., +, JIoT Jan. 2020 584-597
Optimal Irregular Repetition Slotted ALOHA Under Total Transmit Power
Constraint in IoT-Oriented Satellite Networks. ...
doi:10.1109/jiot.2020.3046055
fatcat:wpyblbhkrbcyxpnajhiz5pj74a
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