Discovery Beacon Design for P2P Wireless Channel Search
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Solution Overview
Problem
Peer-to-peer (P2P) devices in wireless communications networks face challenges in discovering each other without a network controller, as they need to search through multiple channels, which can be time-consuming and inefficient.
Innovation Solution
Designating specific social channels for device discovery within a multi-channel environment, where devices can transmit discovery beacons and respond to each other to establish association, reducing the search space and increasing discovery efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If devices search through all available channels for discovery, then the probability of finding each other increases, but the time required for discovery increases
Solution Approach 1:
The patent divides the channel space into two distinct segments: social channels designated for device discovery and non-social channels for other purposes. This segmentation allows devices to focus their discovery efforts on a specific subset of channels, reducing the search time while maintaining effective discovery capability through dedicated discovery infrastructure.
2Speed
If devices transmit and listen for beacons simultaneously on multiple channels, then discovery speed improves, but the complexity of coordination increases
Solution Approach 1:
The patent introduces social channels as an intermediary layer for device discovery. Instead of devices directly coordinating on all channels, the social channel infrastructure mediates the discovery process, providing a standardized interface for beacon transmission and reception, thereby reducing coordination complexity.
3Productivity
If a network controller is used to identify devices to each other, then discovery efficiency is high, but the system loses autonomy and requires centralized control
Solution Approach 1:
The patent enables devices to perform self-service discovery through beacon transmission and reception on social channels. Devices autonomously initiate discovery sequences, exchange information, and establish connections without requiring network controller intervention, thereby maintaining system autonomy while achieving efficient discovery through standardized protocols.
Data Source
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AI summary
In a multi-channel wireless communications environment, at least one of the channels may be used for the purpose of allowing devices to discover each other so that they may subsequently communicate with each other on another channel. In some embodiments a special discovery beacon may be used on that channel, which is dedicated to the purpose of allowing the devices to discover each other.