Elisa has filed a patent for a computer-implemented method that manages energy savings for cells in a communication network. The method involves obtaining a default energy savings plan, evaluating energy savings achievable through partial shutdown, and choosing between partial shutdown and the default plan based on time periods. The patent aims to optimize energy usage in co-located cells operating on different frequency bands. GlobalData’s report on Elisa 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 Elisa, AI assisted network mgmt was a key innovation area identified from patents. Elisa's grant share as of September 2023 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Energy savings management for cells in a communication network
A recently filed patent (Publication Number: US20230276355A1) describes a computer implemented method for managing energy savings in cells of a sector or base station of a communication network. The sector or base station consists of at least two co-located cells that operate on different frequency bands.
The method involves obtaining a default energy savings plan, which includes fully shutting down at least one of the cells for a specific time period to achieve a certain amount of energy savings. The method then evaluates the energy savings that can be achieved by implementing a partial shutdown in the cells and determines a second time period for the partial shutdown that would result in the same amount of energy savings.
Additionally, the method obtains a third time period that can be used for energy savings actions. If the second time period for partial shutdown is shorter than the third time period, the method chooses to use partial shutdown in the cells. However, if the second time period is longer, the method chooses to use the default energy savings plan.
The patent also includes several variations and additional features. For example, the partial shutdown can be implemented by shutting down one or more multiple input multiple output (MIMO) antenna branches in the cells. The method can be periodically repeated to ensure continuous energy savings management.
The evaluation of energy savings achievable by using partial shutdown can be based on linear interpolation over the third time period or on measurements of energy consumption with a 0-10% load in the cells. The duration of the first time period for full shutdown can be either static or dynamically varying.
Furthermore, the method allows for choosing to use partial shutdown in at least one of the cells for a specific time period that falls between the second and third time periods. Alternatively, partial shutdown can be chosen for the entire duration of the third time period.
The patent also describes an apparatus comprising a processor and memory, as well as a non-transitory memory medium storing a computer program that performs the method described above when executed by a processor.
Overall, this patent presents a computer implemented method for effectively managing energy savings in cells of a communication network, providing flexibility in choosing between full and partial shutdowns based on time periods and energy savings goals.
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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.
