Blind Mate Interconnect for Integrated Antenna Units
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Solution Overview
Problem
Integrated antenna units with remote radio units mounted behind or inside the antenna require frequent replacements when frequency bands change, leading to increased installation and service time due to the need for new antennas.
Innovation Solution
An integrated antenna unit with a blind mate interconnect system featuring first and second mating connectors with lead-in geometry and radial and axial float capabilities, allowing for flexible mechanical coupling and easy swapping of radio units, along with a dielectric mounting body and spring mechanism for robust sealing and alignment compensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If integrated antenna units with remote radio units are used, then installation time is reduced and system gain is improved, but frequency band changes require new antenna replacement increasing service time
Solution Approach 1:
The system is divided into separable modules: the antenna unit and the remote radio unit are connected through a standardized interconnect interface. This segmentation allows the radio unit to be independently replaced without replacing the entire antenna, enabling frequency band changes while maintaining the antenna structure.
Solution Approach 2:
The antenna unit is designed with a universal interconnect interface that can accommodate different remote radio units for various frequency bands. This multi-functionality allows a single antenna structure to support multiple frequency bands by simply changing the radio unit module.
2Adaptability or versatility
If remote radio units are frequently replaced for frequency band changes, then frequency band versatility is improved, but installation and service time increase
Solution Approach 1:
The interconnect interface is pre-configured with alignment features and mating geometry that guide the radio unit into proper position before final connection. This preliminary alignment reduces the time and complexity of each replacement operation, making frequent frequency band changes more efficient.
3Reliability
If mating connectors are designed for precise alignment, then connection reliability is improved, but mechanical flexibility and ease of mating are reduced
Solution Approach 1:
The mating connectors incorporate self-aligning features such as guide pins, tapered interfaces, and complementary geometries that automatically position the connectors correctly during the mating process. This self-service alignment ensures reliable electrical connections while simplifying the mating operation, as the system guides itself into proper alignment without requiring precise manual positioning.
Data Source
AI summary
Antenna units and system that has an antenna with at least one docking station, at least one radio unit; and at least one interconnect that includes first and second mating connectors. The first connector is configured to be electrically and mechanically coupled to the antenna and the second connector is configured to be electrically and mechanically coupled to the at least one radio unit. The interconnect has radial and axial float for blind mating of the first and second mating connectors. The first connector is mounted on the at least one docking station via a mounting body such that space for the radial float is provided between the mounting body and a housing of the first connector.