Cellular-Coordinated Frequency Hopping for BTLE Interference Mitigation
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Solution Overview
Problem
Current technologies fail to effectively mitigate interference and frequency channel collisions in short-range communication networks, particularly in scenarios where multiple Bluetooth Low Energy (BTLE) pico networks overlap, leading to significant packet interference and degraded network throughput.
Innovation Solution
A mechanism involving a transceiver system that communicates with both BTLE and cellular networks, where a cellular network element acts as a gateway to collect and process communication information, determine collision mitigation data, and update frequency hopping sequences to avoid interference, thereby reducing channel collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple BTLE pico networks operate in the same area using standard frequency hopping, then network coverage and connectivity are improved, but frequency channel collisions and packet interference increase significantly
Solution Approach 1:
The system implements a feedback mechanism where the eNodeB receives frequency channel usage information from multiple BTLE gateway UEs, processes this information to identify collision-prone channels, and sends back collision mitigation data including modified frequency hopping sequences. This closed-loop feedback enables dynamic adjustment of frequency channels to avoid collisions while maintaining network coverage.
Solution Approach 2:
The eNodeB performs preliminary analysis of frequency channel usage patterns from multiple BTLE networks before collisions occur. By predicting potential collision scenarios and pre-calculating alternative frequency hopping sequences, the system proactively mitigates channel collisions rather than reacting to them after they occur.
2Object-affected harmful factors
If frequency hopping sequences are modified to avoid collisions, then channel collision probability is reduced, but system complexity and coordination requirements increase
Solution Approach 1:
The eNodeB acts as an intermediary coordinator between multiple BTLE gateway UEs. Instead of requiring direct peer-to-peer coordination which would be complex, the eNodeB centralizes the frequency channel management function, receiving usage information from all gateways, processing collision avoidance strategies, and distributing updated hopping sequences back to the gateways.
Solution Approach 2:
The eNodeB performs multiple functions: it manages cellular network communications, collects frequency channel usage information from BTLE gateway UEs, processes collision mitigation data, generates modified frequency hopping sequences, and transmits these sequences back to the gateways. This multi-functionality consolidates coordination complexity into a single node rather than distributing it across multiple devices.
Data Source
AI summary
There is provided an interference mitigation or frequency channel collision mitigation scheme usable for a short range communication network where a network element of a cellular network is used as a coordinator or controller for the collision mitigation. Communication information regarding a communication in the short range communication network and concerning a frequency selection for a communication are processed so as to determine collision mitigation data for reducing interference in the communication in the short range communication network. The collision mitigation data regarding the communication in the short range communication network are sent to a communication network element such as a UE acting as a master node of the short range communication network.