Peer-to-Peer Mesh Routing for Cellular Coverage in Dead Zones
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Solution Overview
Problem
Mobile communication devices in areas with low population density or with radio dead zones face challenges in establishing wireless communication links with base transceiver stations, leading to inadequate coverage and communication disruptions.
Innovation Solution
A mobile device equipped with a short range radio transceiver operating on unlicensed spectrum forms a peer-to-peer network with other mobile devices to dynamically establish a communication link with a base transceiver station, using geographical routing and blind repeaters to facilitate communication over distances and through obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If base transceiver stations are deployed in areas of low population density, then wireless coverage is improved, but the return on investment deteriorates
Solution Approach 1:
The patent introduces peer mobile devices as intermediary nodes that relay communications between users in low-density areas and base transceiver stations. These peer devices act as mediators, enabling communication without requiring direct infrastructure deployment in every location, thus maintaining coverage while avoiding the high cost of building stations in sparsely populated areas.
Solution Approach 2:
The system enables users in low-density areas to provide their own communication infrastructure by using their mobile devices as relay nodes. Instead of requiring service providers to build infrastructure everywhere, users self-organize into peer-to-peer networks that automatically route communications through available devices, reducing the need for expensive infrastructure investment while maintaining service availability.
2Reliability
If peer-to-peer mesh networking is implemented, then coverage in low-density areas is improved, but device complexity increases
Solution Approach 1:
The mesh networking system is designed to be self-organizing and self-configuring. Mobile devices automatically discover peer nodes, establish routing paths, and maintain network connectivity without requiring complex manual configuration or centralized control. The protocol handles node addition, removal, and path finding autonomously, reducing the perceived complexity for end users while maintaining robust coverage.
Data Source
AI summary
A mobile device for use in a peer-to-peer radio communication network coupled to a cellular radio communication network. The mobile device comprises a cellular radio transceiver, a short range radio transceiver configured for radio communication using unlicensed radio spectrum over short ranges, a non-transitory memory, a processor, and an application stored in the non-transitory memory. When executed by the processor, the application discovers a plurality of peer mobile devices based on communication with these peer mobile devices using the short range radio transceiver, identifies at least one base transceiver station to which at least one of the discovered peer mobile devices provides a peer-to-peer network link, and initiates a data link to a first base transceiver station via a first discovered peer mobile device in the peer-to-peer radio communication network based on a geographical route list.