InterDigital. has been granted a patent for a wireless transmit/receive unit (WTRU) that optimizes resource selection based on active and inactive time windows. The unit measures channel busy ratios to determine transmission parameters, enhancing communication efficiency in wireless networks. 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 June 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
Wireless resource selection based on channel busy ratio measurements
The granted patent US12048011B2 outlines a wireless transmit/receive unit (WTRU) that incorporates a processor designed to manage channel busy ratio (CBR) measurements. The processor is configured to receive configuration information that includes a default CBR value and a measurement slot threshold. It performs measurements within a designated CBR measurement window and determines the number of slots that fall within this window. Based on this determination, the processor selects a CBR value: if the number of slots is less than the threshold, the default CBR value is used; otherwise, a measured CBR value is applied. This selected CBR value is then utilized to determine transmission parameters, which are essential for sending data transmissions.
Additionally, the patent details various enhancements to the WTRU's functionality. The processor can assess the quality of service (QoS) associated with a transport block, which influences the selection of the CBR value. It can also determine if periodic reservation is enabled for a resource pool, further affecting the CBR selection. The default CBR value is linked to a specific resource pool, and the determination of the number of slots is influenced by factors such as QoS, hybrid automatic repeat request (HARQ) types, and sidelink discontinuous reception. The transmission parameters can include aspects like the number of retransmissions, subchannels for transmission, transmission power, or modulation and coding schemes, thereby enhancing the efficiency and reliability of wireless communications.
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