Wireless Power Data Buffer Negotiation for Smooth Stream Transfer
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Solution Overview
Problem
Existing wireless power transmission systems lack efficient methods for data exchange at higher layers or application levels, requiring separate hierarchical architectures and management for data transmission between wireless power transmission and reception devices.
Innovation Solution
Implementing a wireless power reception device with a power pickup unit and communication/control unit to negotiate and exchange buffer size information through capability and configuration packets, and a wireless power transmission device with a power conversion unit and communication/control unit to transmit and receive buffer size information, ensuring smooth data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate hierarchical architecture is used for data transmission between wireless power devices, then data exchange capability is improved, but device complexity increases
Solution Approach 1:
The patent combines the data transmission functionality into the existing wireless power transmission protocol framework. By integrating application layer message exchange with the power transmission communication stack, the system achieves data exchange capability without requiring a completely separate hierarchical architecture, thus reducing overall system complexity while maintaining versatility
Solution Approach 2:
The wireless power transmission communication protocol is designed to serve multiple functions: both power transmission control and application layer data exchange. This multi-functional approach allows the same communication infrastructure to handle both power management messages and application-specific data, eliminating the need for separate dedicated data transmission channels
2Productivity
If buffer size negotiation is implemented through capability packets, then data transfer efficiency is improved, but communication protocol complexity increases
Solution Approach 1:
The patent implements buffer size negotiation during the capability exchange phase, which occurs before actual data transmission begins. By determining and agreeing on buffer sizes in advance through capability packets, the system optimizes data transfer efficiency without adding complexity to the actual transmission protocol, as the negotiation is completed during the initial connection setup
Solution Approach 2:
The capability packet serves as an intermediary structure that carries buffer size information during the negotiation process. This standardized packet format acts as a mediator between the transmitting and receiving devices, allowing them to exchange and agree on communication parameters without requiring complex direct negotiation protocols
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Establishes well-defined buffer sizes for data transport streams, enabling seamless wireless power transmission and communication between devices.
Implementation Method 1
a power pickup unit configured to receive a wireless power generated based on magnetic coupling from a wireless power transmission device
Data Source
AI summary
The present invention relates to a device and a method for transmitting or receiving data in a wireless power transmission system. The present specification discloses a wireless power reception device comprising: a power pickup unit configured to receive, from a wireless power transmission device, wireless power generated on the basis of magnetic coupling in a power transmission phase; and a communication/control unit configured to receive, from the wireless power transmission device, information on a first buffer size indicating the size of a first buffer for receiving a data transmission stream. As the buffer size for exchanging the data transmission stream between the wireless power transmission device and reception device becomes clear, wireless power transmission and communication can proceed smoothly.