Base Station Adapter Assembly for Multi-Port RRU Antenna Connection

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Solution Overview

Problem

Conventional cellular base station antenna arrangements with separate RRUs and antennas are labor-intensive and prone to errors due to exposed cables and individual port connections, which can be improved with a more efficient and protected connection method.

Innovation Solution

A cellular base station antenna assembly featuring an adapter with clustered connectors that allows simultaneous connection of multiple communication ports between RRUs and antennas, along with a cover to enclose and protect the cables.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If individual cables and connectors are used to connect RRUs and antennas port-by-port, then connection flexibility is maintained, but installation time and labor intensity increase significantly

Engineering Contradiction:
Improveinstallation speedVSAvoidconnection structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple individual cable connections into a single integrated adapter assembly. The adapter includes multiple connectors (first connectors for antenna ports, second connectors for RRU ports) that are pre-assembled and interconnected through cables internally, allowing all port connections to be made simultaneously through a single mounting operation rather than individually connecting each cable.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The adapter is designed as a modular component that segments the complex multi-port connection task into a single installable unit. This modular adapter can be mounted as one piece and then connected to both the antenna and RRU simultaneously, dividing the installation process into manageable steps while reducing overall complexity.

Inventive Principle:
Principle #1Segmentation

2Reliability

If multiple individual cables are routed between RRUs and antennas, then connection reliability is maintained, but error risk and installation complexity increase

Engineering Contradiction:
Improveconnection reliabilityVSAvoidinstallation ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The adapter is pre-assembled with all necessary connectors and cables internally connected before installation. The first connectors, second connectors, and interconnecting cables are prepared and configured in advance within the adapter housing, eliminating the need for on-site cable routing and connector assembly, thereby reducing errors and simplifying the installation process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The adapter serves as an intermediary device between the antenna and RRU, providing a centralized connection point that manages all cable routes. This intermediary structure organizes and protects the cables internally, reducing the risk of connection errors while maintaining reliable electrical connections between all ports.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of repair

If cables are exposed for connection between RRUs and antennas, then accessibility for maintenance is improved, but protection against environmental factors and damage is reduced

Engineering Contradiction:
Improvemaintenance accessibilityVSAvoidcable protection
Core Design Contradiction:
Ease of repairVSObject-affected harmful factors

Solution Approach 1:

The cables and connectors are nested within the adapter housing, which provides environmental protection while maintaining organized accessibility. The housing encloses the cables and connectors internally, protecting them from environmental factors such as moisture, dust, and physical damage, while the adapter itself remains accessible for maintenance and replacement as a complete unit.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUS20250350021A1Cellular base station assemblies with adapters to interconnect antenna and rru
Publication Date: 2025.11.13 OUTDOOR WIRELESS NETWORKS LLC
  • US20250350021A1 patent drawing
  • US20250350021A1 patent drawing
  • US20250350021A1 patent drawing

AI summary

A cellular base station antenna assembly includes: a telecommunications antenna with plurality of first communication ports mounted on a rear surface thereof; a remote radio unit mounted to the antenna having a plurality of second communication ports on a lower surface thereof; and an adapter configured to connect the remote radio unit to the antenna, the adapter including a housing, a first clustered connector that includes a plurality of individual first connectors, the first clustered connector being mounted on a lower portion of the housing, the adapter further including a plurality of second connectors mounted on an upper surface of the housing, each of the first connectors being connected with a respective second connector. Each of the second connectors is mated with a respective second communication port, and each of the first connectors is mated with a respective first communication port.