Sehr geehrte Abonnenten des Kolloquium-Newsletters,
u.a. finden Sie den Link zur Videokonferenz zum Mastervortrag von Nikita Airee. Bitte beachten Sie, dass, aufgrund Überlastung des Systems, die Anfangszeit auf 8:30 Uhr vorverlegt wurde.
viele Grüße
Irina Ronkartz
-------- Original-Nachricht --------
Betreff: Final Presentation Master Thesis Nikita Airee
Datum: Dienstag, März 24, 2020 09:50 CET
Von: "Adrat, Marc" <marc.adrat(a)fkie.fraunhofer.de>
An: Christiane Antweiler <antweiler(a)iks.rwth-aachen.de>, Irina Ronkartz <ronkartz(a)iks.rwth-aachen.de>, Peter Jax <jax(a)iks.rwth-aachen.de>, "Nikita Airee" <nikitaairee(a)gmail.com>, "Saha, Souradip" <souradip.saha(a)fkie.fraunhofer.de>, Souradip Saha <souradipsaha128(a)gmail.com>, "Antweiler, Markus" <markus.antweiler(a)fkie.fraunhofer.de>
Topic: Optimized Power Allocation in NOMA-based Overlay Cognitive Radio Network
***DO NOT DELETE OR CHANGE ANY OF THE TEXT BELOW THIS LINE***
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Final Presentation Master Thesis Nikita Airee
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-------- Original-Nachricht --------
Betreff: Kommunikationstechnisches Kolloquium am IKS | online
Datum: Montag, März 23, 2020 12:07 CET
Von: Irina Ronkartz <ronkartz(a)iks.rwth-aachen.de>
An: kommunikationstechnik-kolloquium(a)lists.rwth-aachen.de
Sehr geehrte Abonnenten des Kolloquium-Newsletters,
gerne informieren wir Sie über den nächsten Termin unseres Kommunikationstechnischen Kolloquiums.
Freitag, 27. März 2020
Vortragende: Nikita Airee
Ort: online
Zeit: 10:30 Uhr | neue Startzeit 8:30 Uhr
Master-Vortrag: Optimized Power Allocation on NOMA-based Overlay Cognitive Radio Networks
Spectral efficiency (SE) is crucial for wireless networks due to the scarcity of wireless spectrum and the ever increasing number of users that need access to it. Cognitive radios (CRs) are a prominent solution for SE as they facilitate spectrum sharing between tow or more users. Another technique for improving SE, which has recently come in to focus, os nonorthogonal multiple access (NOMA). Together, they have immense potential for enabling highly spectrally efficient communication. A type of NOMA called power domain nonorthogonal multiple access (PD-NOMA) has been considered in downlink for a CR network in this thesis. PD-NOMA is essentially a multiple access (MA) technique that multiplexes the signals for users in the power domain. Hence, the division of power among the user signals is a critical PD-NOMA process known as power allocation (PA).
In this thesis, two methods for PA have been proposed namely, k-scaled PA and fair PA. The performance of the users in the CR network for each of these methods has been extensively evaluated. It has been noted that k-scaled PA reduces the information overhead when there are a large number of users in the network. While it has also been observed to be robust against interference, k-scaled PA method does not always lead to optimum power division. Therefore, fair PA has been proposed for achieving similar performance at all the users. However, it is only applicable for users with specific channel conditions. Also, up to 5 users have been accommodated in the network using the k-scaled method, enabling communicatin over the same spectral resource.
Alle Interessierten sind herzlich eingeladen, der Vortrag findet online statt, der Link dazu wird am Donnerstag verschickt.
Allgemeine Informationen zum Kolloquium, sowie eine aktuelle Liste der Termine des Kommunikationstechnischen Kolloquiums finden Sie unter:
http://www.iks.rwth-aachen.de/aktuelles/kolloquium--
Irina Ronkartz
Institute of Communication Systems (IKS)
RWTH Aachen University
Muffeter Weg 3a, 52074 Aachen, Germany
+49 241 80 26958 (phone)
ronkartz(a)iks.rwth-aachen.de
http://www.iks.rwth-aachen.de/
Sehr geehrte Abonnenten des Kolloquium-Newsletters,
gerne informieren wir Sie über den nächsten Termin unseres
Kommunikationstechnischen Kolloquiums.
*Freitag, 27. März 2020*
*Vortragende*: Nikita Airee
*Ort:* online
*Zeit:* 10:30 Uhr
*Master-Vortrag*: Optimized Power Allocation on NOMA-based Overlay
Cognitive Radio Networks
Spectral efficiency (SE) is crucial for wireless networks due to the
scarcity of wireless spectrum and the ever increasing number of users
that need access to it. Cognitive radios (CRs) are a prominent solution
for SE as they facilitate spectrum sharing between tow or more users.
Another technique for improving SE, which has recently come in to focus,
os nonorthogonal multiple access (NOMA). Together, they have immense
potential for enabling highly spectrally efficient communication. A
type of NOMA called power domain nonorthogonal multiple access (PD-NOMA)
has been considered in downlink for a CR network in this thesis. PD-NOMA
is essentially a multiple access (MA) technique that multiplexes the
signals for users in the power domain. Hence, the division of power
among the user signals is a critical PD-NOMA process known as power
allocation (PA).
In this thesis, two methods for PA have been proposed namely, /k/-scaled
PA and fair PA. The performance of the users in the CR network for each
of these methods has been extensively evaluated. It has been noted that
/k/-scaled PA reduces the information overhead when there are a large
number of users in the network. While it has also been observed to be
robust against interference, /k/-scaled PA method does not always lead
to optimum power division. Therefore, fair PA has been proposed for
achieving similar performance at all the users. However, it is only
applicable for users with specific channel conditions. Also, up to 5
users have been accommodated in the network using the /k/-scaled method,
enabling communicatin over the same spectral resource.
*Alle Interessierten sind herzlich eingeladen, der Vortrag findet online
statt, der Link dazu wird am Donnerstag verschickt. *
Allgemeine Informationen zum Kolloquium, sowie eine aktuelle Liste der
Termine des Kommunikationstechnischen Kolloquiums finden Sie unter:
http://www.iks.rwth-aachen.de/aktuelles/kolloquium
--
Irina Ronkartz
Institute of Communication Systems (IKS)
RWTH Aachen University
Muffeter Weg 3a, 52074 Aachen, Germany
+49 241 80 26958 (phone)
ronkartz(a)iks.rwth-aachen.de
http://www.iks.rwth-aachen.de/