Distributed Antenna Communication Control for Channel-Quality Selection
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Solution Overview
Problem
Existing communication systems face limitations in expandability and reliability due to the restricted application of distributed antennas, particularly at the end terminal level, leading to issues with data transmission and reception, including shadow zones and insufficient coverage.
Innovation Solution
A communication device with multiple slaves and a master unit connected through digital serial interfaces, where the master measures channel quality and selects the best distributed paths for data transmission and reception, ensuring stable and efficient data transfer by mapping signal processing paths to optimize antenna usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If distributed antennas are installed at multiple places to improve coverage and reduce shadow zones, then coverage area and reliability are improved, but device complexity and system configuration difficulty increase
Solution Approach 1:
The communication device is segmented into multiple functional modules: master control unit, multiple slave units with antennas, digital serial interface modules, and channel quality measurement modules. Each module performs a specific function, allowing the complex distributed antenna system to be managed through modular components that can be independently configured and maintained.
Solution Approach 2:
A digital serial interface acts as an intermediary between the master control unit and slave antenna units, standardizing communications and reducing configuration complexity. The interface protocol manages the complexity of coordinating multiple distributed antennas by providing a uniform method for signal distribution and control.
2Area of stationary object
If multiple distributed antennas are used to improve coverage, then coverage area is improved, but selecting the best antenna for data transmission becomes more complex
Solution Approach 1:
The system implements continuous feedback through channel quality measurement modules that monitor the performance of each distributed antenna path. This feedback information is used by the master control unit to dynamically select the optimal antenna for data transmission, automatically adapting to changing channel conditions without manual intervention.
Solution Approach 2:
The distributed antenna system performs self-selection of optimal antennas through automated channel quality measurement and evaluation. The system independently determines which antenna provides the best reception quality without requiring external configuration or manual selection, reducing operational complexity.
3Reliability
If distributed antenna paths are used for data transmission, then coverage and reliability are improved, but data loss may occur during transmission
Solution Approach 1:
The system implements error detection and correction mechanisms in advance of potential data loss. Channel quality measurement is performed continuously to identify deteriorating transmission conditions before they cause data loss, allowing the system to switch to alternative antenna paths or apply error correction codes proactively.
Solution Approach 2:
The system dynamically changes transmission parameters based on measured channel quality. When transmission conditions deteriorate, the system adjusts modulation schemes, coding rates, or antenna selection to maintain reliable data transmission and prevent data loss across the distributed antenna paths.
Data Source
AI summary
A communication device is disclosed. The present communication device may include a master including a communication modem, and multiple slaves including antennas. The communication device may execute an artificial intelligence (AI) algorithm and/or a machine learning algorithm, and may communicate with other electronic devices in a 5G communication environment. Therefore, user convenience can be enhanced.