Client Sensor Data Upload Using Server-Assisted 3D Transmission
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Solution Overview
Problem
There is a demand for an effective method to properly transmit three-dimensional data, particularly for creating and utilizing three-dimensional data in various applications such as autonomous operations and map information, where existing methods face challenges in efficient data representation and transmission.
Innovation Solution
The proposed solution involves a client device and method for encoding and decoding three-dimensional data using a hierarchical structure, dividing the data into spatial prediction structures (SPCs) and volumes (VLMs), and employing prediction and transformation techniques to efficiently transmit and receive three-dimensional data, allowing for accurate self-location estimation and data synchronization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If information is transmitted using conventional methods (HTTP, FTP, SMTP, etc.), then communication can be established, but the client device consumes excessive battery power and generates significant heat
Solution Approach 1:
The patent introduces a server as an intermediary between the client device and the information source. The server receives requests from the client, retrieves information from various sources (web servers, file servers, email servers), and transmits it to the client. This mediator approach allows the client to use low-power reception mode while the server handles the energy-intensive communication tasks, thus reducing client battery consumption while maintaining communication reliability.
Solution Approach 2:
The patent implements dynamic communication modes where the client can switch between active transmission mode and low-power reception mode. The system dynamically adjusts the client's communication state based on whether it needs to send requests or receive information, optimizing power consumption while ensuring reliable information delivery through server-assisted communication.
2Loss of information
If the client device actively transmits and receives information using conventional protocols, then information can be exchanged, but the device generates excessive heat
Solution Approach 1:
The server acts as a thermal buffer by handling all active communication operations. The client device only performs low-heat reception operations under server coordination, while the server manages the heat-generating transmission and protocol handling tasks, thus enabling complete information exchange while keeping the client device temperature low.
3Use of energy by stationary object
If the client device operates in low-power mode with limited transmission capability, then battery consumption is reduced, but the device cannot actively search for or request information
Solution Approach 1:
The server compensates for the client's limited retrieval capability by performing information search and collection on behalf of the client. The client can request information by identifier (URL, filename, email address) in low-power mode, and the server handles the adaptive information retrieval from various sources, thus maintaining both low power consumption and versatile information retrieval capability.
Solution Approach 2:
The system uses preliminary indexing and organization of information sources on the server side. Information is pre-categorized and stored with metadata (URLs, filenames, email addresses), allowing the client to retrieve information efficiently using simple identifiers without needing active search capabilities, thus enabling versatile retrieval in low-power mode.
4Reliability
If the client device uses high-power transmission mode to ensure reliable communication, then communication reliability is improved, but battery power is depleted rapidly
Solution Approach 1:
The server handles all high-reliability communication protocols and error correction tasks, allowing the client to use simplified, low-power communication modes. The server ensures communication reliability through proper protocol implementation while the client maintains extended battery operation duration by avoiding high-power transmission modes.
Data Source
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AI summary
An information transmission method in a client device (2002) provided in a mobile object includes: obtaining sensor information that has been obtained by a sensor provided in the mobile object and indicates a surrounding state of the mobile object, and storing the sensor information into a storage (2012) (S2001); determining whether the mobile object is present in an environment in which the mobile object is capable of transmitting the sensor information to a server (2001) (S2002); and transmitting the sensor information to the server (2001) when the mobile object is determined to be present in the environment in which the mobile object is capable of transmitting the sensor information to the server (2001) (YES in S2002) (S2003).