Access Point Auxiliary Antennas for Behind-and-Below Coverage
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Solution Overview
Problem
Traditional access points in large public venues face challenges in providing comprehensive wireless coverage due to fixed integrated antennas that lack flexibility, leading to signal gaps and increased deployment complexity.
Innovation Solution
A network device with integral antennas and auxiliary connectors that allow for external antennas to be coupled, enabling flexible beam patterns to cover areas behind or beneath the access point, with automatic or user-configurable provisioning and RF signal rerouting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If traditional fixed integrated antennas are used in elevated positions, then forward coverage is achieved, but coverage behind and beneath the access point deteriorates
Solution Approach 1:
The antenna system is segmented into multiple independent antenna elements (front-facing antennas and rearward-facing antennas) that can be independently aimed and controlled. This allows different segments to cover different spatial zones, resolving the contradiction between achieving comprehensive coverage and maintaining antenna flexibility.
Solution Approach 2:
The patent implements dynamically adjustable antenna aiming through motorized positioning mechanisms that allow the antenna elements to change their orientation. This dynamic capability enables the system to adapt beam patterns to cover areas behind and beneath the access point while maintaining forward coverage, thus resolving the contradiction between fixed antenna limitations and coverage requirements.
2Area of stationary object
If two-radio AP or two separate APs are deployed to achieve comprehensive coverage, then coverage gaps are eliminated, but deployment complexity and cost increase
Solution Approach 1:
The patent merges multiple antenna systems with different aiming capabilities into a single access point unit. The integrated design combines front-facing and rearward-facing antenna elements within one device, eliminating the need for multiple separate APs or dual-radio configurations while maintaining comprehensive coverage capability.
Solution Approach 2:
The access point is designed with universal multi-functionality, incorporating multiple antenna elements that can serve different coverage zones simultaneously. The single device performs the functions of what would traditionally require multiple separate units, reducing deployment complexity while achieving the same coverage objectives.
3Productivity
If multi-radio AP with fixed integrated antennas is used, then bandwidth management is improved, but coverage flexibility in disparate areas deteriorates
Solution Approach 1:
The antenna system is divided into independently controllable segments (front-facing and rearward-facing antenna elements) that can be individually aimed at different target zones. This segmentation maintains the multi-radio bandwidth management capabilities while adding the flexibility needed to target specific coverage areas behind and beneath the access point.
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
Enhances wireless coverage in challenging environments by minimizing dead spots and improving signal strength, reducing deployment complexity and cost.
Implementation Method 1
a set of integral antennas configured to generate at least one beam pattern defining a first coverage area from a first end of the network device
Implementation Method 2
a set of external antennas coupled to the one or more auxiliary connectors to generate one or more beam patterns defining a second coverage area disparate from the first coverage area
Data Source
AI summary
Communication systems, devices, and methods for provisioning one or more auxiliary antennas are provided. A communication system includes a network device and a set of external antennas. The network device includes a set of integral antennas and one or more auxiliary connectors. The integral antennas generate at least one beam pattern defining a first coverage area corresponding, for example, to an area in front of the network device. The external antennas are couplable to the auxiliary connectors to generate one or more beam patterns defining a second coverage area disparate from the first coverage area. The second coverage area corresponds to an area below or behind the network device. A control logic detects and provisions the coupled external antennas based on one or more user inputs or a self-identifying antenna functionality, and by selectively re-routing a radio frequency signal path from the integral antennas to the auxiliary connectors.