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Multiple Link Operation Capability Announcement

Multiple Link Operation Capability Announcement. Date : 2019-07-06. Authors:. A multi-link logical entity can include multiple links. The capability to use multiple links by a multi-link logical entity should be announced.

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Multiple Link Operation Capability Announcement

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  1. Multiple Link Operation Capability Announcement Date: 2019-07-06 Authors: Liwen Chu et al (Marvell)

  2. A multi-link logical entity can include multiple links. • The capability to use multiple links by a multi-link logical entity should be announced. • Whether a multi-link logical entity can do transmission while reception in more than one link. Recap: Multi Link Operation Common Function Link1 MAC/PHY Link2 MAC/PHY Liwen Chu et al (Marvell)

  3. A multi-link logical entity supports only one link at any time. • A multi-link logical entity supports more than one link at any time: • A multi-link logical entity that supports multiple links at any time can announce the following capabilities for each pair of links: • Support the transmission on a link concurrently with reception on another link • Doesn’t support the transmission on a link concurrently with reception on another link • The announced capability is decided by the frequency distance between two links (e.g. | the center frequency of link1 – the center frequency of link2 | ) and the interference canceling capability between two links. Restriction of Multiple Link Operation Multi-link logical AP entity A-MPDU from STAx1 to AP1 Link 1 Common Function AP2 MAC/PHY in link2 AP1 MAC/PHY in link1 Link 2 A-MPDU from AP2 Liwen Chu et al (Marvell)

  4. A multi link logical entity may include more than two links The multi-link operation capability about transmission while reception is defined every two links. Link Operation Capability Announcement Multi-link logical entity Common Function MAC/PHY in link3 MAC/PHY in link1 MAC/PHY in link2 Liwen Chu et al (Marvell)

  5. A multi-link AP entity may do channel switch in one link during the BSS operation. If after the channel switch operation, the frequency distance between two links becomes smaller, a multi-link AP/STA entity assumes that the peer multi-link AP/STA entity can’t do transmission while reception within these two links. If after the channel switch operation, the frequency distance between two links becomes larger, a multi-link AP/STA entity assumes that a peer multi-link AP/STA entity can do transmission while reception within these two links if the peer multi-link AP/STA entity can do transmission while reception before the channel switch. Capability Announcement and Channel Switch Liwen Chu et al (Marvell)

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