A Reliable Multicast Protocol for Streaming Services in Non-Terrestrial Networks

Zhou, Enping; Kobayashi, Makoto; Fujihashi, Takuya et al.

IEEE Access, 2024, 12, 176210-176231

Number of Access:722（2025-11-06 12:53 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/101081

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Title
A Reliable Multicast Protocol for Streaming Services in Non-Terrestrial Networks
Creator
CreatorName
Zhou, Enping
NRID
1000000843509 1000000843509
CreatorName
Kobayashi, Makoto
NRID
1000010785520 1000010785520
ORCID
0000-0002-6960-0122 0000-0002-6960-0122
researchmap permalink
T-Fujihashi T-Fujihashi
Scopus Author ID
55440476600 55440476600
CreatorName
Fujihashi, Takuya
CreatorName
Alim, Md Abdul
NRID
1000050507811 1000050507811
ORCID
0000-0002-1625-5521 0000-0002-1625-5521
researchmap permalink
7000000880 7000000880
Scopus Author ID
8355704500 8355704500
CreatorName
Saruwatari, Shunsuke
NRID
1000030316137 1000030316137
CreatorName
Nishi, Masahiro
CreatorName
Watanabe, Takashi
Subject
multibeam
NOMA
Non-Terrestrial network
reliable multicast
streaming service
Description
Zhou E., Kobayashi M., Fujihashi T., et al. A Reliable Multicast Protocol for Streaming Services in Non-Terrestrial Networks. IEEE Access 12, 176210 (2024); https://doi.org/10.1109/ACCESS.2024.3505921.
Abstract
With the increasing popularity of extended reality (XR) applications in sixth-generation (6G) communication systems, the demand for low-latency and reliable global communication is increasing. Non-Terrestrial networks (NTNs) have been explored as potential solutions to meet these requirements. However, NTNs present unique challenges such as long propagation delays, satellite movement, and handovers, which make media access control (MAC) protocols a critical topic. This paper proposes an NTN reliable multicast (NTN-RM) protocol designed for networks comprising multiple low earth orbit (LEO) satellites, high-Altitude platforms (HAPs), and user equipment (UE). NTN-RM employs multibeam cellularization to efficiently cover the satellite area by dividing it into independent cells and uses HAP overhearing along with non-orthogonal multiple access (NOMA) to minimize retransmission delays. Additionally, a queue control scheme was developed to ensure seamless NOMA retransmissions, and a beam angle adjustment and handover method was designed to effectively manage satellite handovers. Simulation results based on 3rd Generation Partnership Project (3GPP) releases demonstrate that NTN-RM reduces the mean latency by approximately 23% and decreases jitter by approximately 75.8% compared to the conventional LEO direct transmission method. Additionally, NTN-RM improves reliability by approximately 3.2-8.5% compared to recent reliable multicast protocols and exhibits robust network capacity as the number of UE increases from 10-2 to 108. These results suggest that NTN-RM is a more suitable approach for reliable multicast in NTNs. Based on the latency results, a LEO satellite density greater than 5× 10-6 LEO/km2 is recommended for multicast applications in NTNs.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Source Title
IEEE Access
Volume (Issue)
12
Page
176210-176231
Date of Issued
2024-12-04
Language
English
Handle URL
https://hdl.handle.net/11094/101081
eISSN
21693536
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1109/ACCESS.2024.3505921
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article