Impact of outdated CQI report on adapted well-known packet scheduling algorithm when streaming video

Given that there are overgrowing demands for video streaming application in the downlink Long Term Evolution Advanced (LTE-A), effective scheduling of these delay-sensitive real-time packets are critical. However, there remains a challenge where (re)transmission of video packets in the downlink LTE-...

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Vydáno v:International Conference on Space Science and Communication (Print) s. 383 - 388
Hlavní autoři: Ramli, Huda Adibah Mohd, Isa, Farah Nadia Mohd, Ismail, Ahmad Fadzil, Hasan, Mohammad Kamrul, Hashim, Wahidah
Médium: Konferenční příspěvek Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.08.2015
Témata:
Algorithms
Cellular
Channels
Conferences
Delay
Delays
Downlink
Evolution
Imperfect CQI
LTE-A
Mobile communication
Outdated CQI
Packet scheduling
Robustness
Scheduling
Scheduling algorithms
Streaming media
Throughput
video streaming
ISSN:2165-4301, 2165-431X
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Shrnutí:Given that there are overgrowing demands for video streaming application in the downlink Long Term Evolution Advanced (LTE-A), effective scheduling of these delay-sensitive real-time packets are critical. However, there remains a challenge where (re)transmission of video packets in the downlink LTE-A may subject to numerous impairments including outdated Channel Quality Information (CQI) report. This paper studies the impact of outdated CQI on the adapted Maximum-Largest Weighted Delay First Performance (M-LWDF) namely Adapted M-LWDF1 (AM1) and Adapted M-LWDF2 (AM2) algorithms. Note that the AM1 algorithm chooses a user first then (re)transmit packets to the selected user on the best mobile cellular channels whereas scheduling decision in AM2 algorithm is made on per mobile cellular channel basis. Simulation results demonstrate the robustness of the AM2 algorithm in minimizing the detrimental effects due to outdated CQI report when streaming video.
Bibliografie:ObjectType-Article-2
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SourceType-Conference Papers & Proceedings-2
ISSN:2165-4301
2165-431X
DOI:10.1109/IconSpace.2015.7283833