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3 results about "Point coordination function" patented technology

Point coordination function (PCF) is a media access control (MAC) technique used in IEEE 802.11 based WLANs, including Wi-Fi. It resides in a point coordinator also known as access point (AP), to coordinate the communication within the network. The AP waits for PIFS duration rather than DIFS duration to grasp the channel. PIFS is less than DIFS duration and hence the point coordinator always has the priority to access the channel.

Fifth generation (5G) and Wi-Fi multi-access point coordination function

A Fifth Generation (5G) and Wi-Fi Multi-Access Point Coordination (MAPc) function may be provided. A MAPc processor may determine a first traffic flow and a second traffic flow for a User Equipment (UE) and a property of the first traffic flow and of the second traffic flow. The MAPc processor may schedule restricted Target Wake Time (rTWT) service intervals on a Wi-Fi AP for the first traffic flow, and the MAPc processor may schedule rTWT service intervals on a 5G AP for the second traffic flow. The rTWT service intervals on the Wi-Fi AP may be at different times than the rTWT service intervals on the 5G AP.
Owner:CISCO TECHNOLOGY INC

An efficient access method for power internet federated learning based on NR-U

The application relates to an NR-U-based power internet federal learning efficient access method, which comprises utilizing a point coordination function (PCF) and proposing a WiFi and NR-U friendly coexistence mechanism; according to the proposed WiFi and NR-U friendly coexistence mechanism, a federal learning system model running on NR-U is established, the system model comprises one central server and K power internet of things terminals, model training is carried out between the central server and the power terminals in a contention-free period (CFP), and mutual communication is completed through NR-U; according to the established system model, a joint power equipment selection and bandwidth allocation optimization method is designed, efficient model training and low-delay communication under large-scale power equipment access are realized under the guarantee of the performance requirements of WiFi networks and NU-R networks. The large-scale power internet equipment access capability is improved, the intelligent service demand of the power internet is met, low-delay communication and efficient training of the central server and the terminal power internet equipment are realized under the guarantee of the performance of NR-U and WiFi networks.
Owner:STATE GRID HUBEI ELECTRIC POWER INFORMATION & TELECOMMUNICATION COMPANY +1