Opportunistic Mobile Relay Selection for Coverage Gaps
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Solution Overview
Problem
Traditional network approaches struggle to provide ultra-reliable network connectivity in densely automated environments, leading to congestion, resource overconsumption, and spotty coverage due to dynamic conditions and interference, which undermines network performance and reliability.
Innovation Solution
A mechanism to dynamically select opportunistic relay devices among mobile communication devices based on location and wireless communication characteristics, using encryption keys to ensure secure communication and optimize redundancy levels, thereby enhancing network reliability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional network approaches are used in densely automated environments, then network coverage is provided, but network reliability deteriorates due to congestion and resource overconsumption
Solution Approach 1:
The patent introduces relay devices as intermediary nodes that forward communications between mobile devices and the network. These relay devices act as mediators that enable indirect communication paths, allowing devices in coverage holes to communicate through intermediate nodes rather than requiring direct network access, thereby maintaining network reliability without increasing overall network traffic load.
Solution Approach 2:
The patent segments the network communication function by introducing dedicated relay devices that handle forwarding tasks separately from access points that handle data transmission. This segmentation allows the network to distribute relay functions across multiple mobile devices, reducing the burden on any single access point and improving overall network reliability through distributed redundancy.
2Reliability
If more network resources are allocated to support dense automated deployments, then network capacity increases, but resource overconsumption and congestion worsen
Solution Approach 1:
The patent implements self-service by allowing mobile devices to autonomously select and become relay devices based on their own wireless communication characteristics and location. Devices evaluate their own suitability metrics (signal strength, battery level, processing capability) and voluntarily participate in relaying when appropriate, eliminating the need for centralized resource allocation and reducing overall network resource consumption.
Solution Approach 2:
The patent introduces dynamic relay selection where the set of active relay devices changes continuously based on real-time conditions. Mobile devices can transition between being regular users and relay devices, and between being active relays and inactive relays, based on changing wireless conditions, location, and device state. This dynamic adaptation allows the network to maintain reliability while minimizing resource consumption by activating relays only when necessary.
3Reliability
If relay devices are deployed to improve coverage, then network coverage improves, but device complexity increases
Solution Approach 1:
The patent reduces complexity by implementing self-service mechanisms where mobile devices autonomously evaluate their own suitability as relay devices and make their own decisions about participating in relaying. Each device independently assesses its wireless communication characteristics, location, and current state to determine whether to become a relay, eliminating the need for complex centralized relay management and selection algorithms.
Solution Approach 2:
The patent uses copying by having relay devices replicate existing communication protocols and security mechanisms rather than introducing new complex management systems. Relay devices copy the authentication and encryption procedures used in direct communications, allowing them to forward encrypted packets without requiring new security infrastructures, thereby maintaining simplicity while improving coverage reliability.
4Productivity
If opportunistic relay selection is implemented, then network efficiency improves, but measurement and detection difficulty increases
Solution Approach 1:
The patent applies partial action by having mobile devices measure only the specific wireless communication characteristics needed for relay selection rather than performing complete network diagnostics. Devices measure partial sets of parameters (such as signal strength to specific access points or basic connectivity status) sufficient to determine relay suitability, reducing measurement complexity while maintaining network efficiency through adequate rather than exhaustive assessment.
Data Source
AI summary
In one embodiment, a method is disclosed comprising monitoring dynamic locations of a plurality of mobile communication devices within a physical area covered by a wireless communication network; determining that a particular mobile communication device should have a relay for communication with the network based on a first location of the particular mobile communication device and inadequate wireless communication characteristics at the first location; selecting an opportunistic relay device from the mobile communication devices based on a second location of the opportunistic relay device and adequate wireless communication characteristics of the opportunistic relay device within the network and to the first location from the second location; and directing the opportunistic relay device to relay communications for the particular mobile communication device at the first location.