Nokia‘s patent involves a method for establishing multipath transmission control protocol sub-flows by connecting a terminal device to master and network nodes, utilizing a proxy. The process includes intercepting TCP handshakes, configuring node bearers, and routing data efficiently. The innovation aims to enhance network performance and reliability. GlobalData’s report on Nokia gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Nokia, Adaptive video coding was a key innovation area identified from patents. Nokia's grant share as of February 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.

Multipath transmission control protocol for network node proxy

Source: United States Patent and Trademark Office (USPTO). Credit: Nokia Corp

A recently granted patent (Publication Number: US11930547B2) discloses a method and apparatus for managing multipath transmission control protocol connections in a network environment. The method involves connecting a network node proxy to a terminal device and a master node, intercepting the transmission control protocol handshake, and configuring main and secondary node bearers. The user plane function sends notifications to trigger the master node to start a secondary node addition procedure. The apparatus includes at least one processor and memory storing instructions for establishing connections, terminating sub-flows, and managing multipath transmission control protocol connections efficiently.

Furthermore, the patent details additional steps such as establishing a connection to the content server, utilizing a transparent multipath transmission control protocol proxy, and mapping quality of service configurations for sub-flows. The apparatus also includes instructions for mapping sub-flows to different quality of service flows based on specific identifiers. By optimizing the routing and management of multipath transmission control protocol connections, the method and apparatus described in the patent aim to enhance network efficiency and performance, particularly in scenarios involving multiple addresses and quality of service requirements.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.