OTAC Message Coordination in Autonomous Cellular Base Stations
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Solution Overview
Problem
In autonomous cellular communication systems, coordinating over-the-air communication (OTAC) messages between base stations within a local area cluster is challenging, especially when multiple messages are sent on different component carriers, leading to potential missed receptions due to simultaneous transmissions.
Innovation Solution
Designating and synchronizing regular timeslots for base stations to receive and transmit OTAC messages, with options including periodic intervals based on system frame number or patterns of neighboring base stations, and retransmitting messages after a pseudo-random interval to ensure all stations receive the information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If base stations transmit OTAC messages on different component carriers simultaneously, then communication efficiency is improved, but message reception reliability deteriorates due to potential simultaneous transmissions causing missed receptions
Solution Approach 1:
The patent implements periodic timeslots for OTAC message transmission where base stations alternately transmit and receive messages in scheduled intervals. This periodic structure ensures that not all base stations transmit simultaneously, resolving the conflict between communication efficiency and reception reliability by organizing chaotic simultaneous transmissions into coordinated periodic exchanges.
Solution Approach 2:
The patent segments the communication timeline into distinct timeslots dedicated to specific transmission patterns. By dividing the continuous transmission opportunity into discrete segments (timeslots), the system allows multiple base stations to operate efficiently while preventing simultaneous collisions through structured temporal separation.
2Ease of manufacture
If base stations operate autonomously without central control, then deployment cost is reduced, but coordination difficulty increases for OTAC message reception
Solution Approach 1:
The patent enables base stations to autonomously determine their own transmission and reception patterns based on predefined rules and locally available information about neighboring stations. This self-service approach eliminates the need for centralized control while maintaining coordination, allowing cheap autonomous deployment without sacrificing message reception reliability.
Solution Approach 2:
The patent establishes predetermined timeslot patterns and coordination rules that base stations configure in advance based on their identities and neighboring station information. This preliminary configuration enables autonomous operation with built-in coordination capabilities, resolving the complexity of real-time coordination while maintaining deployment simplicity.
Data Source
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AI summary
A method of co-ordinating communication between a plurality of base stations in a communication system, comprising designating timeslots where said base stations receive and/ or transit co-ordination messages to each other. The system may be an autonomous cellular system and the timeslots may be regularly spaced.