Beamforming Switching Gap Reporting for Wireless Efficiency

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Solution Overview

Problem

Current wireless communication systems face inefficiencies due to the lack of effective reporting mechanisms for switching gaps between analog and digital beamforming modes in user equipment (UE), leading to reduced throughput and increased power consumption, especially in millimeter wave communications.

Innovation Solution

The implementation of a method where user equipment (UE) transmits beamforming capability information, including switching gaps, to the base station, allowing for optimized resource allocation and scheduling to avoid transmission during switching periods, thereby improving communication efficiency and reducing power usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the UE switches between analog and digital beamforming modes to improve communication flexibility, then adaptability is improved, but communication efficiency deteriorates due to missed transmissions during switching gaps

Engineering Contradiction:
Improvebeamforming mode flexibilityVSAvoidcommunication efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The UE reports switching gap information to the base station before actual switching occurs. This preliminary reporting allows the base station to proactively adjust resource allocations and avoid scheduling transmissions during the switching gap period, thereby preventing missed transmissions while maintaining the flexibility to switch between beamforming modes.

Inventive Principle:
Principle #10Preliminary action

2Use of energy by moving object

If the UE switches between analog and digital beamforming modes to reduce power consumption, then energy efficiency is improved, but communication reliability deteriorates due to potential missed transmissions

Engineering Contradiction:
Improvepower consumptionVSAvoidtransmission reliability
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The UE provides feedback to the base station about its switching gap timing information. This feedback mechanism enables the base station to adapt its resource allocation strategy, ensuring that transmissions are scheduled outside the switching gap periods. Consequently, the UE can switch modes for power savings while the base station maintains reliable transmission scheduling based on the feedback information.

Inventive Principle:
Principle #23Feedback

3Device complexity

If the base station allocates resources without knowing the UE's switching gap information, then resource allocation simplicity is maintained, but throughput deteriorates due to missed transmissions during switching periods

Engineering Contradiction:
Improveresource allocation complexityVSAvoidthroughput
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The base station receives switching gap information from the UE in advance before resource allocation decisions are made. This preliminary information allows the base station to incorporate switching gap awareness into its resource allocation algorithm, adjusting scheduling to avoid the gap periods. The result is improved throughput without requiring complex real-time detection mechanisms, as the switching gap information is provided proactively by the UE.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12108369B2Reporting switching gaps for beamforming
Publication Date: 2024.10.01 QUALCOMM INC
  • US12108369B2 patent drawing
  • US12108369B2 patent drawing
  • US12108369B2 patent drawing

AI summary

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit beamforming capability information including a switching gap that indicates an amount of time associated with the UE switching between an analog beamforming mode and a digital beamforming mode. The UE may receive a resource allocation based at least in part on the beamforming capability information. Numerous other aspects are described.