Peer Relay Messaging for Wireless Coverage Extension
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Solution Overview
Problem
Handheld electronic devices outside the coverage area of a wireless network cannot receive electronic messages due to the limitations of existing wireless communication systems, which requires costly deployments of additional Access Points to expand coverage.
Innovation Solution
The method involves registering peer handheld devices as rallying points within the network's coverage area, allowing them to transmit messages to devices outside the coverage by using protocols like Bluetooth, Infrared, or Wi-Fi, ensuring secure message delivery and deletion once received.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If additional Access Points are deployed to expand network coverage area, then the coverage area is improved, but the deployment cost and time consumption increase
Solution Approach 1:
The patent introduces peer handheld devices as intermediary relay nodes to extend network coverage. Instead of deploying additional infrastructure Access Points, existing user devices within the coverage area voluntarily act as relays to forward messages to devices outside the coverage area, thereby extending the effective network reach without additional infrastructure deployment costs.
Solution Approach 2:
The patent creates virtual copies of network access capability by enabling peer devices to replicate the Access Point's message forwarding function. Each peer device that becomes a relay point essentially creates a virtual extension of the network coverage, allowing messages to be delivered indirectly through these copied access functions without physical infrastructure expansion.
2Area of stationary object
If peer devices are used as rallying points to extend message delivery range, then the network reach is improved, but the message security and privacy risks increase
Solution Approach 1:
The patent implements preliminary authentication and registration of peer devices before they can act as message relays. Devices must be pre-registered with the network and authenticated by the Access Point before being designated as rallying points. This preliminary security measure ensures that only trusted devices can participate in message relaying, mitigating security risks before messages are transmitted.
Solution Approach 2:
The patent incorporates feedback mechanisms where the Access Point monitors and manages the relay status of peer devices. The system continuously tracks which devices are acting as relays and can revoke relay permissions when necessary. This feedback loop allows the network to maintain security by dynamically controlling access and ensuring that message relay operations comply with security policies.
Data Source
AI summary
A method of transmitting an electronic message to a handheld electronic device that is outside the coverage area of a wireless network having at least one Access Point. The method includes: attempting to wirelessly transmit the electronic message from the network to the handheld electronic device through the wireless access point; wirelessly transmitting the electronic message from the wireless access point to a peer handheld electronic device that is within communication range of the access point; and wirelessly transmitting the electronic message from the peer handheld electronic device to the handheld electronic device when the peer handheld electronic device is within communication range of the handheld electronic device.


