Antenna Routing for 5G MIMO Signal Correlation
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Solution Overview
Problem
In 5G wireless systems, the high frequency correlation among antennas in multiple-input multiple-output (MIMO) systems leads to reduced performance, especially indoors where energy consumption is high, and data transmission rates are affected due to signal attenuation and weak signal strength.
Innovation Solution
The implementation of an antenna routing method that distributes multiple antenna groups around the user terminal equipment, each with two antennas of different polarization directions, enables and measures signal qualities to determine the optimal set of antennas for receiving or transmitting radio frequency signals, improving signal strength and data transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple antennas are used in MIMO system, then data throughput and transmission distance are increased, but frequency correlation among antennas increases and performance deteriorates
Solution Approach 1:
The patent divides the antenna system into multiple antenna groups (first antenna group, second antenna group, third antenna group) with different configurations. Each group has antennas with different polarization directions arranged in specific spatial patterns, segmenting the overall antenna array to reduce frequency correlation while maintaining MIMO productivity.
Solution Approach 2:
Different antenna groups have different local characteristics - the first antenna group has antennas with first polarization direction, the second antenna group has antennas with second polarization direction, and the third antenna group has antennas with third polarization direction. This local quality differentiation reduces frequency correlation among antennas while maintaining overall system throughput.
2Speed
If multiple antennas are used in MIMO system, then transmission distance is increased, but frequency correlation among antennas increases and performance deteriorates
Solution Approach 1:
The patent segments the antenna system into multiple groups with different spatial arrangements and polarization directions. This segmentation allows the system to achieve extended transmission distance while maintaining low frequency correlation through the diverse spatial and polarization characteristics of different antenna groups.
Solution Approach 2:
The patent utilizes multiple dimensions including spatial arrangement (different positions of antenna groups) and polarization direction (first, second, and third polarization directions) to increase transmission distance while reducing frequency correlation. This multi-dimensional approach allows performance improvement without the detrimental effects of high frequency correlation.
3Reliability
If indoor signal reception is improved, then data transmission rate is affected due to signal attenuation, but energy consumption increases
Solution Approach 1:
The patent dynamically selects which antenna groups to use based on the signal environment. The system can adaptively activate or deactivate specific antenna groups (first, second, or third antenna group) depending on indoor signal conditions, thereby improving signal strength when needed while reducing energy consumption when full MIMO capability is not required.
Data Source
AI summary
An antenna routing method and related devices are provided. A user terminal equipment includes multiple antenna groups distributed around a periphery of the user terminal equipment. Each antenna group includes two antennas. Two antennas in each antenna group are different in polarization direction. The method includes the following. Two antennas in any one antenna group of the multiple antenna groups are enabled and one antenna in each of two antenna groups adjacent to the any one antenna group is enabled respectively, and a first signal quality of the antennas enabled is measured, to obtain multiple first signal qualities. A set of antennas with the optimal first signal quality is determined according to the multiple first signal qualities, to receive or transmit radio frequency signals.