IEEE 802.11-2020 Multi-Link Communication Modes Discussion
"Explore the proposal for multi-link communication modes within the IEEE 802.11-2020 framework, addressing the dynamic selection and switching of operating links for improved transmission reliability and peak throughput. Define and discuss the concepts of ML Simplex Mode and ML Duplex Mode for enhanced wireless communication."
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2020 doc.: IEEE 802.11-2020/0069 Multi-Link Communication Mode Discussion Date: 2020-01-11 Authors: Name Affiliation Address Phone Email Yonggang Fang ZTE (TX) yfang@ztetx.com Bo Sun ZTE sun.bo1@zte.com.cn Nan Li ZTE li.nan25@zte.com.cn Submission 1 Yonggang Fang, etc.., ZTE
2020 doc.: IEEE 802.11-2020/0069 Abstract This contribution proposes the definition of multi-link communication mode. Submission 2 Yonggang Fang, etc.., ZTE
2020 doc.: IEEE 802.11-2020/0069 Introduction Multi-Link framework requirements ML framework requirements are proposed to support Dynamic selecting and switching an operating link to address the use cases of reducing access latency for fast connection, balancing loads, etc.. Concurrent transmit or receive packets over multiple links to address the use cases of improving transmission reliability and increasing peak-throughput. In SFD, only one capability of MLD is described as A MLD that supports multiple links can announce whether it can support transmission on one link concurrent with reception on the other link for each pair of links. NOTE 1 The 2 links are on different channels. NOTE 2 Whether to define a capability of announcing the support transmission on one link concurrent with transmission on the other link is TBD. But it misses the definition of multi-link communication modes. Submission 3 Yonggang Fang, etc.., ZTE
2020 doc.: IEEE 802.11-2020/0069 Introduction Definitions of communications in industry [1, 2, 3] Simplex communication: a communication channel that operates in one direction at a time, but that may be reversible. Half Duplex communication: a communication channel can operate in both directions, but only one direction at a time (not simultaneously). Full Duplex communication: a duplex communication channel requires two simplex channels operating in opposite directions. We suggest to follow the terms used in the communication industries to define multi-link operation modes. Submission 4 Yonggang Fang, etc.., ZTE
2020 doc.: IEEE 802.11-2020/0069 ML Communication Mode Definition ML Simplex Mode A MLD can transmit on one or more links, or receive on one or more links, but not transmit and receive concurrently. ML Duplex Mode A MLD can transmit on one or more links concurrently with receiving on other link(s). Submission 5 Yonggang Fang, etc., ZTE
2020 doc.: IEEE 802.11-2020/0069 Straw Poll Do you support to define ML communication mode as follows ? ML Simplex Mode: A MLD can transmit on one or more links, or receive on one or more links, but not transmit and receive concurrently. ML Duplex Mode: A MLD can transmit on one or more links concurrently with receiving on other link(s). YES/NO/ABS Submission 6 Yonggang Fang, etc., ZTE
2020 doc.: IEEE 802.11-2020/0069 References 1. The IEEE Authoritative Dictionary of Standard Terms, 7th Ed., 2000, Inst. of Electrical and Electronic Engineers, p.1053 2. https://en.wikipedia.org/wiki/Simplex_communication 3. https://en.wikipedia.org/wiki/Duplex_(telecommunications) Submission 7 Yonggang Fang, etc., ZTE
2020 doc.: IEEE 802.11-2020/0069 Thank you! Submission 8 Yonggang Fang, etc., ZTE
