Directional Antenna Content Playout to Reduce Venue Crosstalk
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Solution Overview
Problem
Existing accessibility services in venues face challenges such as crosstalk interference, limited availability on consumer devices, and the need for specialized equipment due to omnidirectional antenna technology, which is poorly suited for providing targeted content delivery.
Innovation Solution
Implementing directional antenna technology in RF communications equipment to provide narrow-beamed signals for content activation and transmission, compatible with consumer devices like smartphones, enabling precise content delivery to specific areas within a venue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If omnidirectional antenna technology is used for accessibility services, then signal coverage is provided across the entire venue, but crosstalk interference occurs between different areas and content delivery is not targeted
Solution Approach 1:
The venue is divided into multiple zones with separate directional antenna systems, each serving specific areas independently. This segmentation allows targeted content delivery to different regions without interference, resolving the crosstalk issue while maintaining comprehensive coverage through multiple segmented zones.
Solution Approach 2:
Directional antennas provide localized signal transmission tailored to specific venue areas, enabling customized content delivery for different regions. Each directional antenna system can transmit content optimized for its specific coverage area, eliminating the crosstalk interference inherent in omnidirectional systems.
2Reliability
If specialized equipment is used for accessibility services, then content delivery quality is improved, but device complexity and cost increase
Solution Approach 1:
The system uses universal directional antenna technology that can be integrated with existing RF communications equipment and consumer devices. This multi-functional approach enables accessibility services through standard devices like smartphones and tablets, eliminating the need for specialized equipment while maintaining content delivery quality.
Solution Approach 2:
Consumer devices with built-in RF communications capabilities serve themselves by receiving directional signals and displaying appropriate content without requiring external specialized equipment. The system leverages the device's existing capabilities to provide accessibility services, reducing overall system complexity.
3Object-generated harmful factors
If line of sight technology such as infrared signaling is used, then crosstalk between areas is eliminated, but availability on consumer devices is limited
Solution Approach 1:
The system replaces optical/infrared line-of-sight technology with RF radio frequency technology that uses directional antennas. This substitution maintains the crosstalk elimination benefit of directed transmission while achieving compatibility with standard RF communications in consumer devices like smartphones and tablets.
Solution Approach 2:
The system changes the transmission parameter from optical frequency (infrared) to radio frequency, enabling the use of existing RF communication infrastructure in consumer devices. This parameter change maintains directional transmission capabilities for crosstalk prevention while vastly improving device availability and compatibility.
4Productivity
If FM broadcasting is used for streaming audio, then content can be transmitted across the venue, but crosstalk interference occurs between different areas
Solution Approach 1:
The venue is divided into multiple zones with separate directional antenna systems, each transmitting content to its specific area independently. This segmentation prevents crosstalk interference between different venue areas while maintaining comprehensive content transmission capability through multiple parallel channels.
Solution Approach 2:
Each directional antenna system provides localized content transmission tailored to its specific coverage area, enabling customized audio and video delivery without interfering with other areas. This local quality approach eliminates the crosstalk problem inherent in omnidirectional FM broadcasting.
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
This solution reduces crosstalk interference and enhances accessibility services by allowing targeted content delivery to individual users, supporting multiple digital channels and seamless integration with consumer devices.
Implementation Method 1
transmitting content activation signals and content by directional antennas situated in a venue to a personal communication device
Implementation Method 2
directional antennas...produce narrow-beamed signals in a transmission pattern that approximates the output of a spotlight
Data Source
AI summary
A system includes a computing platform having a hardware processor and a memory storing software code and a content delivery application deployable to multiple personal communication devices, as well as multiple directional antennas communicatively coupled to the computing platform. The hardware processor is configured to execute the software code to, transmit, using a first directional antenna of the multiple directional antennas, a content activation signal to a predetermined area within a venue, transmission of the content activation signal being limited to the predetermined area. The content activation signal causes content relevant to an event at the predetermined area to be played out by the content delivery application deployed to one of the multiple personal communication devices to a user of that personal communication device, only when that personal communication device is present in the predetermined area.