KT has been granted a patent for methods and apparatus for transmitting an uplink data channel in a 5G network. The technology involves assigning transmission power to overlapping data channels based on resource assignment information, optimizing efficiency. GlobalData’s report on KT gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on KT, Adaptive video coding was a key innovation area identified from patents. KT's grant share as of April 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.

Dynamic power allocation for overlapping uplink data channels in 5g

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

A recently granted patent (Publication Number: US11968671B2) discloses a method for user equipment (UE) to transmit an uplink (UL) data channel efficiently. The method involves configuring two physical uplink shared channels (PUSCH) with different UL resources, identifying overlapping transmissions in the time domain, and dropping one transmission while maintaining the other based on power assignment. Specifically, the method assigns transmission power to each PUSCH, with the power for the overlapping symbols set to zero and normal power for the remaining symbols. The patent also details the assignment of priority configuration information and the use of downlink control channels for resource allocation.

Furthermore, the patent describes a UE device designed to implement the method efficiently. The UE includes a controller for configuring PUSCH channels, identifying overlapping transmissions, and managing power assignment based on the identified overlap. Additionally, the UE features a transmitter for executing the transmission of the PUSCH channels according to the method outlined in the patent. The UE also includes a receiver for receiving UL resources through various channels and signaling methods. Overall, the patent aims to optimize UL data transmission by efficiently managing overlapping transmissions and power allocation, enhancing the performance of UEs in wireless communication networks.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.