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Effectiveness of a Hybrid Method of Block Ack and Unsolicited Retry on Binary Data Lossless Groupcast over Wireless LANs

Toshiro NUNOME, Akira NAGAHARA

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Summary :

In this paper, we propose a combined method of GCR Block Ack and Unsolicited Retry for binary data lossless groupcast over wireless LANs. The two mechanisms are standardized as IEEE 802.11aa GCR for audiovisual transmission. In the proposed method, the sender transmits each frame twice without acknowledgment as Unsolicited Retry under lossy wireless link conditions. After transmitting twice, the sender enters the Block Ack sequence. In addition, we apply TXOP-Bursting, which allows a terminal to send frames sequentially with high priority during the TXOP limit, to the combined method. To show the proposal's effectiveness, we carry out a computer simulation. We assume binary data transmission of about 40MB and assess the time of complete reception at all the receivers. From the result, we find that the proposed method can shorten the received time against the conventional Block Ack method.

Publication
IEICE TRANSACTIONS on Communications Vol.E106-B No.1 pp.35-43
Publication Date
2023/01/01
Publicized
2022/07/01
Online ISSN
1745-1345
DOI
10.1587/transcom.2022EBP3055
Type of Manuscript
PAPER
Category
Network

Authors

Toshiro NUNOME
  Nagoya Institute of Technology
Akira NAGAHARA
  Nagoya Institute of Technology

Keyword