Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Lin-nan Lee"'
Publikováno v:
VTC-Fall
Asynchronous Scrambled Coded Multiple Access (A- SCMA) has been shown to offer high spectral efficiencies on Random Access (RA) channels. By allowing unscheduled data transmission, latency is reduced and power can be conserved, making such techniques
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8584492f72ef9fd6e36257ddaf5814b1
https://doi.org/10.1109/vtcfall.2019.8891110
https://doi.org/10.1109/vtcfall.2019.8891110
Autor:
Stan Kay, Victor Liau, Rohit Iyer Seshadri, Neal Becker, Mustafa Eroz, Liping Chen, Lin-nan Lee
Publikováno v:
GLOBECOM
A family of new non-orthogonal multiple access techniques named Scrambled Coded Multiple Access (SCMA) is described. It allows different users of a communications system to efficiently share the same bandwidth by using specific scramblers to separate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1538a9246a33a3ec14d1affc024f8ccd
https://doi.org/10.1109/glocom.2018.8647757
https://doi.org/10.1109/glocom.2018.8647757
Autor:
Nabil Sven Loghin, Daniel Delaruelle, Mustafa Eroz, Lin-nan Lee, Frederik Simoens, Ulrik De Bie
Publikováno v:
International Journal of Satellite Communications and Networking. 34:351-360
Summary Digital Video Broadcasting via satellite second generation has experienced worldwide adoption because of its revolutionary and yet practical physical layer technology and its flexibility. Recently, the standard has been updated with several n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7279de1cc7a38cb4de6664dbbf5fd441
https://doi.org/10.1002/sat.1135
https://doi.org/10.1002/sat.1135
Publikováno v:
International Journal of Satellite Communications and Networking. 34:377-386
This paper shows an efficient method of integrating new modulation/coding pairs (MODCOD) that operate at very low signal‐to‐noise ratios (VL‐SNR) into the second‐generation satellite standard for digital video broadcasting standard without ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97fdb65a6e7b1996a71a62b0136756db
https://doi.org/10.1002/sat.1132
https://doi.org/10.1002/sat.1132
Spread Asynchronous Scrambled Coded Multiple Access (SA-SCMA) - A New Efficient Random Access Method
Publikováno v:
GLOBECOM
Asynchronous Scrambled Coded Multiple Access (A- SCMA) has been shown to offer high spectral efficiencies on Random Access (RA) channels. This paper describes a new multiple access scheme, SA- SCMA, that adds spreading. Even modest spreading provides
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::227221c3405023be7590c424e44a84a4
https://doi.org/10.1109/glocom.2016.7842292
https://doi.org/10.1109/glocom.2016.7842292
Publikováno v:
VTC Fall
Fixed, portable and mobile terminals use Random Access (RA) to transfer data or request more spectrally efficient dedicated resources. This paper describes a new multiple access scheme, A- SCMA, that operates with unsynchronized transmission and low
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60d3a3171259fcc5ca01e1c4a6680a56
https://doi.org/10.1109/vtcfall.2016.7880912
https://doi.org/10.1109/vtcfall.2016.7880912
Publikováno v:
International Journal of Satellite Communications and Networking. 22:319-339
Due to the advanced coding schemes utilized in DVB-S2, new receivers have to function at unprecedented low SNR. From the perspective of synchronization, the major challenges are frame synchronization and carrier recovery. The challenge for frame sync
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f45891b7d19f71aaf735c5871ca5647
https://doi.org/10.1002/sat.793
https://doi.org/10.1002/sat.793
Publikováno v:
International Journal of Satellite Communications and Networking. 22:269-279
Low density parity check (LDPC) codes are chosen for the second generation digital video broadcasting (DVB) standard. In this paper, we review LDPC codes in general, present belief propagation decoding algorithm in simple terms, describe the standard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bffd7f23dac0090f40058799da04919f
https://doi.org/10.1002/sat.787
https://doi.org/10.1002/sat.787
Publikováno v:
2014 IEEE Military Communications Conference.
This paper describes applications of micro satellite communication terminals with size, mass, and power suitable for small aircraft, based on Scrambled Code Multiple Access (SCMA) waveform, and enhancements that supports uninterrupted communication t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ec2b7d4aa58a29920a4b273183bed3d
https://doi.org/10.1109/milcom.2014.279
https://doi.org/10.1109/milcom.2014.279
Publikováno v:
2014 IEEE Military Communications Conference.
We here consider utilizing faster-than-Nyquist (FTN) signaling to increase spectral efficiency in combination with using tight frequency roll-off, optimized signal constellations that have better energy efficiency, and allowing the satellite transpon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9aa3fa17c6e4527c5f285cf0bb809d8
https://doi.org/10.1109/milcom.2014.142
https://doi.org/10.1109/milcom.2014.142