Communication Device Antenna Mode Control for Positional Relation Estimation
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Solution Overview
Problem
Existing communication systems face challenges in accurately estimating positional relations between devices due to multi-path environments, which affect signal propagation and interference, leading to reduced estimation accuracy.
Innovation Solution
A communication device with multiple antennas that controls signal transmission and reception modes based on the multi-path environment, using a control unit to manage signal processing and a calculation unit to estimate positional relations with a reliability parameter, ensuring accurate signal assessment and improved estimation accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If signal transmission and reception are performed in a multi-path environment, then communication between devices is enabled, but estimation accuracy of positional relation deteriorates
Solution Approach 1:
The system performs preliminary actions by controlling transmission and reception modes before positional estimation is performed. The control unit adjusts antenna operation modes and signal processing parameters in advance based on detected multi-path conditions, ensuring that only suitable signals are used for estimation, thereby preventing degradation of estimation accuracy
Solution Approach 2:
The system changes operational parameters dynamically by switching between different transmission and reception modes. The control unit modifies signal processing parameters such as antenna selection, beamforming configurations, and signal filtering settings according to the detected multi-path environment, optimizing the estimation process for current conditions
2Reliability
If multiple antennas are used for signal transmission and reception, then signal quality is improved, but device complexity increases
Solution Approach 1:
The system implements dynamic antenna selection and mode switching rather than continuously using all antennas. The control unit dynamically determines which antennas to use and what reception mode to employ based on real-time signal conditions, reducing effective system complexity while maintaining signal quality through adaptive configuration
Solution Approach 2:
The antenna system is segmented into multiple operational modes that can be independently controlled. The control unit divides the antenna array into active and inactive subsets, or configures different antennas for different functions (transmission vs. reception), simplifying the overall system operation while preserving signal quality through selective usage
Data Source
AI summary
To provide a novel and improved communication device, control device, program, and system capable of estimating a positional relation between devices with higher accuracy.A communication device includes a control unit configured to control transmission and reception of signals by at least first and second antennas in conformity with a specific communication standard. The control unit controls a mode for transmission and reception of the signals by the first and second antennas in accordance with the signals transmitted to and received from another communication device.