InterDigital. has been granted a patent for a method enabling a station (STA) to manage wireless signal reception. The STA can stop receiving a packet when the signal energy exceeds a clear channel assessment threshold and subsequently return to a receive state, optimizing communication efficiency. GlobalData’s report on InterDigital gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on InterDigital, Cloud gaming was a key innovation area identified from patents. InterDigital's grant share as of July 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
Wireless signal reception management using cca threshold adjustments
The patent US12074668B2 outlines a method and system for a station (STA) to efficiently manage the reception of wireless signals, particularly focusing on the handling of packet preambles and payloads. The method involves the STA receiving a wireless signal that includes a packet preamble, which, when its energy level surpasses a clear channel assessment (CCA) threshold, prompts the STA to issue a command to cease reception of the packet. This process allows the STA to return to a receive state based on the issued command. Additionally, the STA can utilize a carrier sense multiple access (CSMA) protocol to determine whether to ignore the payload portion of the packet, based on the information contained in the preamble.
Further claims detail the STA's capability to adjust the CCA threshold to account for the payload portion of the packet, enabling it to access the wireless medium during this phase using the modified threshold. The preamble can be received through either beamformed or omni-directional signals, and the decision to ignore the payload can be influenced by an RXVECTOR. The STA's processor and transceiver work in tandem to facilitate these operations, ensuring efficient communication by managing the reception of packets based on their preamble and payload characteristics. The patent emphasizes the importance of adjusting the CCA threshold based on the received energy levels, thereby enhancing the STA's ability to navigate wireless communication effectively.
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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.
