Yıl 2020, Cilt 10 , Sayı 1, Sayfalar 118 - 127 2020-03-01

Reliable Video Multicasting over WLANs
Reliable Video Multicasting over WLANs

Berna BULUT [1]


As is known reliable multicast transmission is not addressed in WLANs. Multicast packets are sent over wireless channels without using medium access control (MAC) layer automatic repeat request (ARQ) mechanism. Therefore, packet error rates will be very high. This paper investigates reliable video multicasting, which became a very popular application, over WLANs. To this end, application layer forward error correction (AL-FEC) codes based on Raptor Q can be used as a means to provide reliable delivery of the multicast video encoded with the H.264/Advanced video coding (AVC) codec. Since video streaming applications have very stringent Quality of Service requirements (low delay and error free transmission of packets), the Raptor Q and the H.264/AVC parameters have to be determined depending on the QoS of the video. Therefore, in this work an advanced cross-layer simulator was developed to analyse the performance of the end-to-end system. Simulation results show that using AL-FEC significantly improve the received video quality, i.e., the mean peak signal to noise ratio (PSNR) is improved over 34 dB. Further that it is shown that frequently inserting intra-frame results in poor video quality. Therefore, it is suggested to send intra frame at longer intervals.

As is known reliable multicast transmission is not addressed in WLANs. Multicast packets are sent over wireless channels without using medium access control (MAC) layer automatic repeat request (ARQ) mechanism. Therefore, packet error rates will be very high. This paper investigates reliable video multicasting, which became a very popular application, over WLANs. To this end, application layer forward error correction (AL-FEC) codes based on Raptor Q can be used as a means to provide reliable delivery of the multicast video encoded with the H.264/Advanced video coding (AVC) codec. Since video streaming applications have very stringent Quality of Service requirements (low delay and error free transmission of packets), the Raptor Q and the H.264/AVC parameters have to be determined depending on the QoS of the video. Therefore, in this work an advanced cross-layer simulator was developed to analyse the performance of the end-to-end system. Simulation results show that using AL-FEC significantly improve the received video quality, i.e., the mean peak signal to noise ratio (PSNR) is improved over 34 dB. Further that it is shown that frequently inserting intra-frame results in poor video quality. Therefore, it is suggested to send intra frame at longer intervals.

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Birincil Dil en
Konular Mühendislik, Elektrik ve Elektronik
Bölüm Elektrik Elektronik Mühendisliği / Electrical Electronic Engineering
Yazarlar

Orcid: 0000-0001-5988-4718
Yazar: Berna BULUT (Sorumlu Yazar)
Kurum: -
Ülke: Turkey


Tarihler

Başvuru Tarihi : 19 Kasım 2019
Kabul Tarihi : 28 Kasım 2019
Yayımlanma Tarihi : 1 Mart 2020

Bibtex @araştırma makalesi { jist648837, journal = {Journal of the Institute of Science and Technology}, issn = {2146-0574}, eissn = {2536-4618}, address = {}, publisher = {Iğdır Üniversitesi}, year = {2020}, volume = {10}, pages = {118 - 127}, doi = {10.21597/jist.648837}, title = {Reliable Video Multicasting over WLANs}, key = {cite}, author = {BULUT, Berna} }
APA BULUT, B . (2020). Reliable Video Multicasting over WLANs. Journal of the Institute of Science and Technology , 10 (1) , 118-127 . DOI: 10.21597/jist.648837
MLA BULUT, B . "Reliable Video Multicasting over WLANs". Journal of the Institute of Science and Technology 10 (2020 ): 118-127 <https://dergipark.org.tr/tr/pub/jist/issue/52503/648837>
Chicago BULUT, B . "Reliable Video Multicasting over WLANs". Journal of the Institute of Science and Technology 10 (2020 ): 118-127
RIS TY - JOUR T1 - Reliable Video Multicasting over WLANs AU - Berna BULUT Y1 - 2020 PY - 2020 N1 - doi: 10.21597/jist.648837 DO - 10.21597/jist.648837 T2 - Journal of the Institute of Science and Technology JF - Journal JO - JOR SP - 118 EP - 127 VL - 10 IS - 1 SN - 2146-0574-2536-4618 M3 - doi: 10.21597/jist.648837 UR - https://doi.org/10.21597/jist.648837 Y2 - 2019 ER -
EndNote %0 Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi Reliable Video Multicasting over WLANs %A Berna BULUT %T Reliable Video Multicasting over WLANs %D 2020 %J Journal of the Institute of Science and Technology %P 2146-0574-2536-4618 %V 10 %N 1 %R doi: 10.21597/jist.648837 %U 10.21597/jist.648837
ISNAD BULUT, Berna . "Reliable Video Multicasting over WLANs". Journal of the Institute of Science and Technology 10 / 1 (Mart 2020): 118-127 . https://doi.org/10.21597/jist.648837
AMA BULUT B . Reliable Video Multicasting over WLANs. Iğdır Üniv. Fen Bil Enst. Der.. 2020; 10(1): 118-127.
Vancouver BULUT B . Reliable Video Multicasting over WLANs. Journal of the Institute of Science and Technology. 2020; 10(1): 127-118.