Dynamic RSI Planning via UE Broadcasted Tones
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Solution Overview
Problem
Current cellular communication systems face issues with RSI collisions due to static channel access values assigned based on historical data, leading to errors when conditions change, such as traffic jams or new cell site installations, as they lack a mechanism for real-time updates.
Innovation Solution
A system and method that utilizes user equipment to create a real-time coverage map by broadcasting unique signals, allowing for immediate recalculation of channel access values based on current conditions, rather than relying on historical KPIs, to prevent duplicate channel access values among adjacent cell sites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If static RSI values are assigned based on historical data, then system complexity is reduced and ease of operation is improved, but reliability deteriorates due to RSI collisions in dynamic conditions
Solution Approach 1:
The system enables user equipment to autonomously participate in coverage mapping by broadcasting unique tones, allowing the network to automatically discover real-time coverage conditions without manual engineering intervention. This self-service approach improves reliability through dynamic adaptation while managing complexity through automated processes.
Solution Approach 2:
The patent implements a feedback mechanism where user equipment broadcasts unique tones and cell sites record signal strength, creating real-time coverage maps that feed back into RSI value recalibration. This continuous feedback loop ensures RSI values remain optimal under changing conditions, resolving the contradiction between reliability and complexity.
2Reliability
If real-time coverage mapping is implemented using user equipment signals, then reliability is improved through dynamic RSI adjustments, but device complexity increases due to additional signaling and processing requirements
Solution Approach 1:
User equipment performs multiple functions: normal communication operations plus broadcasting unique tones for coverage mapping. This multi-functionality approach improves reliability through real-time data collection while minimizing additional complexity by reusing existing device capabilities for dual purposes.
Solution Approach 2:
The patent introduces unique tones as an intermediary mechanism that bridges user equipment and network operators. These tones serve as mediators for coverage discovery without requiring direct complex interactions between all system components, simplifying the overall architecture while enabling real-time reliability improvements.
3Adaptability or versatility
If historical KPIs are used for RSI assignment, then ease of operation is maintained with manual engineering control, but adaptability deteriorates when conditions change such as traffic jams or new cell sites
Solution Approach 1:
The system transitions from static RSI assignment to dynamic recalibration based on real-time coverage maps. This dynamic approach improves adaptability to changing conditions like traffic jams and new cell sites while maintaining ease of operation through automated processes that eliminate manual engineering intervention for routine updates.
Solution Approach 2:
The patent performs preliminary coverage mapping actions by having user equipment broadcast unique tones before RSI collisions occur. This advance detection and mapping allows the system to proactively adjust RSI values, improving adaptability while maintaining operational simplicity through automated preliminary actions.
Data Source
AI summary
A system uses signals received from actual user equipment (UE) to build in real time a reception pattern for base stations in a cellular communication system. Each UE is assigned a unique tone to broadcast so that a controller can analyze radio coverage by analyzing which base stations received signals from each UE in a coverage area. Cellular base stations necessarily have overlapping coverage and are assigned unique channel access values to avoid repeating values from overlapping cell sites. As overlaps change in real time, in response to live events, traffic jams, site outages, and new sites, signals received from UEs in the coverage area provide a real time view of system coverage. This allows better allocation of channel access values than prior art historical performance indicators using base station and controller call errors.