17533092. TIME SYNCHRONIZATION FOR COORDINATED RESTRICTED TARGET WAKE TIME (R-TWT) OPERATION simplified abstract (QUALCOMM Incorporated)

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TIME SYNCHRONIZATION FOR COORDINATED RESTRICTED TARGET WAKE TIME (R-TWT) OPERATION

Organization Name

QUALCOMM Incorporated

Inventor(s)

Abdel Karim Ajami of San Diego CA (US)

Sai Yiu Duncan Ho of San Diego CA (US)

Alfred Asterjadhi of San Diego CA (US)

George Cherian of San Diego CA (US)

Abhishek Pramod Patil of San Diego CA (US)

Yanjun Sun of San Diego CA (US)

Gaurang Naik of San Diego CA (US)

TIME SYNCHRONIZATION FOR COORDINATED RESTRICTED TARGET WAKE TIME (R-TWT) OPERATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17533092 titled 'TIME SYNCHRONIZATION FOR COORDINATED RESTRICTED TARGET WAKE TIME (R-TWT) OPERATION

Simplified Explanation

This patent application describes a system for coordinated scheduling of service periods (SPs) in wireless networks. The system includes an access point (AP) that receives timing information about an overlapping basic service set (OBSS) and transmits coordinated timing information to its associated stations (STAs). The AP can adjust the timing information to account for any offset between its timing synchronization function (TSF) timer and the TSF timer associated with the OBSS. The AP can also synchronize its TSF timer with the OBSS's TSF timer. The AP communicates with the STAs based on the coordinated timing information, scheduling their communications to be orthogonal to the OBSS's communications during the SP.

  • The system allows for coordinated scheduling of service periods in wireless networks.
  • The access point receives timing information about an overlapping basic service set (OBSS).
  • The access point transmits coordinated timing information to its associated stations (STAs).
  • The access point can adjust the timing information to account for any offset between its timing synchronization function (TSF) timer and the OBSS's TSF timer.
  • The access point can synchronize its TSF timer with the OBSS's TSF timer.
  • The access point schedules communications with the STAs to be orthogonal to the OBSS's communications during the service period.

Potential Applications

  • This technology can be applied in various wireless network environments, such as home networks, office networks, and public Wi-Fi hotspots.
  • It can improve the efficiency and reliability of wireless communication by coordinating the scheduling of service periods.

Problems Solved

  • In wireless networks with overlapping basic service sets (OBSS), there can be interference and collisions between different access points and stations.
  • Coordinated scheduling of service periods helps to mitigate interference and collisions, improving overall network performance.

Benefits

  • Coordinated scheduling of service periods reduces interference and collisions in wireless networks, leading to improved network performance.
  • It allows for more efficient use of available network resources.
  • The technology can enhance the reliability and stability of wireless communication.


Original Abstract Submitted

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for coordinated scheduling of service periods (SPs). In some aspects, an access point (AP) may receive timing information indicating an SP associated with an overlapping basic service set (OBSS) and may transmit, to its associated STAs, coordinated timing information indicating the timing of the SP in relation to its timing synchronization function (TSF) timer. In some aspects, the AP may adjust the timing information to account for an offset between its TSF timer and a TSF timer associated with the OBSS. In some other aspects, the AP may synchronize its TSF timer with the TSF timer associated with the OBSS. The AP may further communicate with the STAs based on the coordinated timing information. For example, the AP may schedule communications with the STAs to be orthogonal to communications in the OBSS during the SP.

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