US Patent Application 18004865. DIRECT LINK RESOURCE RELEASING MECHANISM IN A MULTI-USER TXOP simplified abstract

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DIRECT LINK RESOURCE RELEASING MECHANISM IN A MULTI-USER TXOP

Organization Name

CANON KABUSHIKI KAISHA


Inventor(s)

Patrice Nezou of LIFFRE (FR)

Romain Guignard of RENNES (FR)

Pascal Viger of JANZE (FR)

Stéphane Baron of LERHEU (FR)

DIRECT LINK RESOURCE RELEASING MECHANISM IN A MULTI-USER TXOP - A simplified explanation of the abstract

This abstract first appeared for US patent application 18004865 titled 'DIRECT LINK RESOURCE RELEASING MECHANISM IN A MULTI-USER TXOP

Simplified Explanation

The abstract describes a patent application related to an access point (AP) in a wireless network. The AP is given a chance to schedule transmissions with other non-AP stations. It can allocate resource units to these stations for direct link transmission within a specific time period called TxOP. However, sometimes the allocated time is longer than what the peer stations actually need, resulting in wasted bandwidth. To address this issue, the peer station sends a resource releasing frame (e.g., a QoS Null frame) to the AP after completing its transmission, allowing the AP to reclaim the unused resource units. This allows the AP to use the saved time to offer more transmission opportunities to other stations within the TxOP.

  • The patent application focuses on optimizing the allocation of resource units for direct link transmission in a wireless network.
  • It addresses the problem of wasted bandwidth when the allocated time for transmission is longer than necessary.
  • The solution involves the peer station sending a resource releasing frame to the AP after completing its transmission.
  • The resource releasing frame allows the AP to reclaim the unused resource units and make them available for other stations within the TxOP.
  • This innovation improves the efficiency of resource allocation and maximizes the utilization of available bandwidth in the wireless network.


Original Abstract Submitted

An access point, AP, is granted a transmission opportunity to schedule multi user transmissions with non-AP stations. The AP can provide resource units to peer stations for direct link transmission, within the TxOP. The DiL resource units are allocated for a duration. However, the duration may not match the peer needs and be too long. It results that bandwidth is lost. To give back the resource unit to the AP, a peer station sends, upon finishing the DiL transmission, a resource releasing frame, such as a QoS Null frame, to the AP over the allocated DiL resource unit. The AP may then reuse the time saved to offer more transmission time to other stations within the TxOP.

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