Mobile Repeater Relay for Position-Based Data Forwarding

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing communication systems using multiple antennas struggle to optimize performance and support new forms of services due to limitations in transmission methods, particularly in environments with varying network speeds.

Innovation Solution

A transmitting device with multiple transmit antennas generates multiple transmission signals having different directivities, allowing simultaneous transmission of streams with varied directivities to enhance system performance and support new services.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If MIMO communication method is used to transmit multiple streams simultaneously, then data communication rate is improved, but transmission directivity control is limited

Engineering Contradiction:

Improvedata communication rateVSAvoidtransmission directivity control

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The transmission signals are segmented into multiple groups, where first transmission signals are dedicated to unicast communication with specific directivity control, and second transmission signals are dedicated to multicast communication with different directivity control. This segmentation allows each signal group to be optimized for its specific communication type, resolving the contradiction between maintaining high data rates and achieving flexible directivity control.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different directivity control characteristics are applied to different signal groups locally. The first transmission signals use directivity control optimized for unicast communication, while the second transmission signals use directivity control optimized for multicast communication. This local differentiation of signal properties enables simultaneous optimization for both communication types without compromising overall system performance.

Inventive Principle:

Principle #3Local quality

2Speed

If high transmission speeds are achieved, then communication performance is improved, but compatibility with slower surrounding networks is lost

Engineering Contradiction:

Improvetransmission speedVSAvoidnetwork compatibility

Core Design Contradiction:

SpeedVSAdaptability or versatility

Solution Approach 1:

The transmitting device is designed to perform multiple functions by simultaneously supporting both high-speed unicast communication and slower multicast communication through separate signal groups. This multi-functionality allows the system to adapt to different network conditions and terminal capabilities, maintaining compatibility with slower surrounding networks while still achieving high transmission speeds when needed.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system dynamically adjusts its operation mode by selectively transmitting different signal groups based on terminal capabilities and network conditions. When high-speed terminals are detected, the system emphasizes first transmission signals for unicast communication; when slower terminals are present, it activates second transmission signals for multicast communication, achieving adaptive compatibility across different network speeds.

Inventive Principle:

Principle #15Dynamics

3Measurement precision

If single directivity transmission is used, then signal focus is improved, but coverage for multiple terminals is limited

Engineering Contradiction:

Improvesignal focusVSAvoidcoverage capacity

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The transmission signals are segmented into first transmission signals with focused directivity for unicast communication and second transmission signals with broader directivity for multicast communication. This segmentation allows the system to maintain signal focus where needed while simultaneously providing wide coverage for multiple terminals, resolving the contradiction between signal precision and coverage capacity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system merges two types of transmission signals with different directivity characteristics into a single transmission framework. By combining focused unicast signals and broad multicast signals in the same system, the invention achieves both signal focus for individual terminals and wide coverage for multiple terminals simultaneously, eliminating the need to choose between the two approaches.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS12627368B2Repeater device and repeating method

Publication Date: 2026.05.12 PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

AI summary

In a repeater device: a communication device receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device receives data from the forwarding source device using the second communication scheme; a storage device stores the data; based on the position information of the forwarding destination device received by the communication device, the moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device transmits the data stored in the storage device to the forwarding destination device using the second communication scheme.