17932666. DYNAMIC POWER BUDGET ALLOCATION USING INDIVIDUALIZED MTPL PER RADIO LINK FOR UPLINK TRANSMISSION simplified abstract (Apple Inc.)

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DYNAMIC POWER BUDGET ALLOCATION USING INDIVIDUALIZED MTPL PER RADIO LINK FOR UPLINK TRANSMISSION

Organization Name

Apple Inc.

Inventor(s)

Lorenzo Bertizzolo of Campbell CA (US)

Prashant H. Vashi of San Jose CA (US)

Ioannis Pefkianakis of San Jose CA (US)

DYNAMIC POWER BUDGET ALLOCATION USING INDIVIDUALIZED MTPL PER RADIO LINK FOR UPLINK TRANSMISSION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17932666 titled 'DYNAMIC POWER BUDGET ALLOCATION USING INDIVIDUALIZED MTPL PER RADIO LINK FOR UPLINK TRANSMISSION

Simplified Explanation

The patent application describes a method and apparatus for dynamically allocating uplink power across multiple parallel radio frequency links for wireless devices.

  • The wireless device sets an initial maximum transmit power level (MTPL) for each uplink radio link based on duty cycle predictions.
  • The initial MTPL for each uplink radio link is adjusted based on predicted data throughput relative to total predicted data throughput for all links.
  • The adjusted MTPL can be further reduced when using multiple input multiple output (MIMO) transmission via multiple antenna ports.

Potential Applications

This technology could be applied in:

  • Wireless communication systems
  • Mobile devices
  • Internet of Things (IoT) devices

Problems Solved

This technology helps in:

  • Efficient power allocation in wireless devices
  • Optimizing data throughput in parallel radio frequency links

Benefits

The benefits of this technology include:

  • Improved power efficiency
  • Enhanced data transmission performance
  • Better utilization of multiple antenna ports

Potential Commercial Applications

A potential commercial application of this technology could be in:

  • 5G networks
  • Smart home devices
  • Industrial IoT applications

Possible Prior Art

One possible prior art for this technology could be:

  • Dynamic power allocation algorithms in wireless communication systems

=== What are the specific duty cycle predictions used for setting the initial MTPL for each uplink radio link? The specific duty cycle predictions used for setting the initial MTPL for each uplink radio link are based on the expected amount of time each radio link will be active transmitting data.

=== How does the technology adjust the MTPL for each uplink radio link based on predicted data throughput? The technology adjusts the MTPL for each uplink radio link based on the predicted data throughput by comparing the expected data throughput of each link to the total expected data throughput of all links, and then proportionally adjusting the power allocation accordingly.


Original Abstract Submitted

This application describes methods and apparatus to allocate uplink (UL) power dynamically across multiple parallel radio frequency links for wireless devices. The wireless device sets an initial maximum transmit power level (MTPL) for each UL radio link of multiple radio links used for UL traffic based on a duty cycle prediction for the respective UL radio link. The wireless device adjusts the initial MTPL for each UL radio link based on a predicted data throughput for the UL radio link relative to a total predicted data throughput for all UL radio links. The adjusted MTPL for each UL radio link can be also reduced when the UL radio link uses UL multiple input multiple output (MIMO) transmission via multiple antenna ports, e.g., by apportioning the adjusted MTPL among the multiple antenna ports of the UL radio link equally.

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