Digital RF Transport Timeslot Mapping for Reconfigurable Stream Routing
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Solution Overview
Problem
Existing distributed antenna systems face challenges in efficiently aggregating and routing serialized data streams across different communication rates and paths, leading to inefficiencies in signal distribution and transmission.
Innovation Solution
A serial link interface unit that interleave and aggregate serialized data streams by mapping timeslots from different streams into aggregate sets, enabling efficient data routing and transmission across a distributed antenna system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple serialized data streams with different data rates are aggregated using conventional methods, then signal distribution can be achieved, but transmission efficiency is reduced due to inability to optimize routing across different communication rates
Solution Approach 1:
The patent segments the aggregation process by creating separate aggregation paths for different data stream types (e.g., eCPRI, CPRI, Ethernet) with different data rates. Each path is handled by dedicated hardware resources, allowing efficient optimization for each stream type while maintaining overall system manageability through modular architecture.
Solution Approach 2:
The patent implements dynamic resource allocation where hardware resources (buffers, processors, transmission channels) are dynamically assigned to different data streams based on their specific data rates and traffic demands. This allows the system to adaptively optimize transmission efficiency for each stream type while handling multiple aggregation scenarios.
2Adaptability or versatility
If serialized data streams are routed through fixed paths, then system simplicity is maintained, but flexibility in reconfiguring communication paths is lost
Solution Approach 1:
The patent employs dynamic path configuration capabilities that allow communication paths to be reconfigured based on traffic demands and network conditions. The system can dynamically establish, modify, or terminate aggregation paths for different data streams without requiring complete system reconfiguration, achieving flexibility through controlled dynamic changes.
Solution Approach 2:
The patent creates a universal aggregation platform that can handle multiple types of serialized data streams (eCPRI, CPRI, Ethernet, and future protocols) through a common hardware architecture. This multi-functional design allows the same system to support various communication standards and path configurations without requiring separate dedicated infrastructure for each protocol.
3Productivity
If hardware resources are dedicated to specific data stream types, then transmission optimization is achieved, but resource utilization efficiency decreases when traffic patterns vary
Solution Approach 1:
The patent implements dynamic resource allocation where hardware resources (buffers, processors, transmission channels) are dynamically assigned to different data stream types based on real-time traffic demands. When traffic patterns change, resources are reallocated to maintain high utilization efficiency while preserving transmission optimization for active stream types.
Solution Approach 2:
The patent changes operational parameters of hardware resources based on the type and volume of incoming traffic. Resources can switch between different operational modes or be reallocated to different functions depending on which data stream types are currently active, thereby maintaining both transmission optimization and resource utilization efficiency.
Data Source
AI summary
A summing unit within telecommunications system includes: port to receive digital data stream from another device; and summer function. Digital data stream includes first and second digital data derived from first and second base station. First and second digital data comprises first and second digital values associated with respective time periods. Summing unit extracts first digital data from digital data stream. Summer function digitally sums first digital data with third digital data derived from third base station to generate summed digital data for conversion to radio frequency signals and transmission at antenna. Third digital data comprises third series of third digital values associated with respective time periods. Summer function digitally sums first digital data with third digital data by digitally summing (i) first digital value associated with respective time period and (ii) third digital value associated with respective time period to produce summed value for respective time period.