Modular Wireless Access Point Housing for Cooling and RF Control

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Solution Overview

Problem

High-powered base stations are too widely spaced to effectively cover the increased RF bandwidth demands of newer wireless networks, requiring a denser network of smaller wireless access points to manage higher data traffic, especially in urban areas.

Innovation Solution

A wireless access point structure featuring a modular antenna housing with multiple bays, a hollow spire for cabling, and airflow passages, mounted on a hollow pole with secure equipment bays, designed to support multiple antennas and provide enhanced cooling and tamper-proofing, optimized for urban environments with an ovular cross-section to reduce RF reflection and scatter.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If high-powered base stations are used to provide coverage over large geographic areas, then the network infrastructure is simpler and fewer stations are needed, but the coverage density is insufficient for newer high-bandwidth wireless applications

Engineering Contradiction:
Improvenetwork coverage densityVSAvoidnetwork infrastructure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the network coverage function by deploying multiple small cell access points throughout urban areas rather than relying on fewer macro base stations. Each small cell serves a localized area, collectively providing dense coverage across the entire region. This segmentation enables high-bandwidth applications while distributing infrastructure requirements across many smaller, manageable units.

Inventive Principle:
Principle #1Segmentation

2Productivity

If multiple antennas are installed in a compact housing to increase coverage density, then more access points can be deployed in urban areas, but heat dissipation becomes more difficult

Engineering Contradiction:
Improvecoverage densityVSAvoidheat dissipation
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent addresses heat dissipation by transitioning from two-dimensional cooling (vents on the housing surface) to three-dimensional cooling (internal air passages that route air through the housing interior). This dimensional change allows cooling air to flow directly over heat-generating components and antennas inside the compact housing, efficiently removing heat despite the limited external surface area.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Productivity

If antennas are mounted close together in compact bays to increase deployment density, then more access points can be installed in urban environments, but RF signal interference and reflection increase

Engineering Contradiction:
Improvedeployment densityVSAvoidRF signal reflection
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent uses curved interior surfaces within the antenna bays to redirect RF signals. The curved geometry causes reflected signals to scatter in multiple directions rather than reflecting directly back toward other antennas, reducing interference. This curved surface design allows compact antenna spacing while maintaining signal quality by managing RF propagation patterns.

Inventive Principle:
Principle #14Spheroidality (Curvature)

4Productivity

If the access point housing is made compact to facilitate urban installation, then deployment flexibility increases, but access to equipment for maintenance and repair becomes more difficult

Engineering Contradiction:
Improvedeployment flexibilityVSAvoidequipment accessibility
Core Design Contradiction:
ProductivityVSEase of repair

Solution Approach 1:

The patent segments the housing into multiple accessible sections with removable panels or doors that provide access to antennas, electronics, and mounting mechanisms. This segmentation allows maintenance personnel to access specific components without disassembling the entire compact structure, maintaining deployment flexibility while enabling easy repair and maintenance of individual elements.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution provides efficient coverage and cooling for multiple antennas in a compact, secure, and tamper-proof structure, effectively addressing the need for denser wireless networks in urban areas by improving signal directionality and reducing heat buildup.

Implementation Method 1

The air passages form airflow inlets and/or outlets for the antenna bays defined above and/or below the antenna bays

Methodology Applied
Scientific EffectAirflow: Convection

Implementation Method 2

The ovular shape of the housing allows a center of curvature of each rounded end to be disposed within an interior of an antenna bay(s)s within the housing... maintaining a normal vector (e.g., extending normal to an emitting surface of the antenna) nearly perpendicular with an inside surface of shroud surrounding the antenna housing thereby reducing RF reflection and/or scatter

Methodology Applied
Scientific EffectRF reflection and scatter: Reflection

Data Source

PatentUS11909093B2Wireless access point support spire and dividers
Publication Date: 2024.02.20 COMPTEK TECHNOLOGIES LLC
  • US11909093B2 patent drawing
  • US11909093B2 patent drawing
  • US11909093B2 patent drawing

AI summary

A wireless access point structure including an antenna housing configured to be mounted on top of a pole. The antenna housing may include a plurality of individual antenna bays. The antenna housing can include a plurality of individual antenna bays. In an arrangement, the housing includes an internal spire having an upper and lower end extending between upper and lower ends of the housing. The spire may be a single piece element or a multi-piece element. At least three dividers or panels are connected along the length of the spire (e.g., at selected spaced locations along a length of the spire). Each divider, when connected to the spire, is substantially transverse to the spire. One or more shrouds (e.g., RF transparent sidewalls) extend between and around adjacent panels and/or the upper and lower ends of the housing to define the antenna bays.