Summing Unit for Multiplexed Digital Data Aggregation
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Solution Overview
Problem
Distributed antenna systems face challenges in efficiently aggregating and routing serialized data streams across different communication rates and interfaces, leading to suboptimal performance in wireless signal distribution within closed environments.
Innovation Solution
A distributed antenna system architecture that includes a summing unit configured to receive multiplexed digital data from multiple sources, aggregate and route serialized data streams through a distributed antenna switch, and convert them into radio frequency signals for transmission, utilizing serial link interface units to manage data rate differences and timeslot mapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If digital data streams from multiple devices are aggregated and routed through a distributed antenna switch, then wireless signal distribution efficiency is improved, but device complexity increases due to the need for summing units and interface management
Solution Approach 1:
The patent combines multiple digital data streams from different devices into a single aggregated stream using summing units. These summing units merge the streams at the digital domain before transmission through the distributed antenna switch, reducing the number of separate transmission paths needed and improving overall distribution efficiency while managing complexity through systematic combination rather than individual handling of each stream
Solution Approach 2:
The distributed antenna switch is designed to handle multiple types of data streams and communication interfaces simultaneously. The system provides universal functionality by accommodating different data rates and stream formats through a single switch infrastructure, eliminating the need for separate dedicated paths for each device and thereby improving efficiency without proportionally increasing complexity
2Adaptability or versatility
If serialized data streams with different communication rates are aggregated, then data transmission flexibility is improved, but data rate synchronization becomes more difficult
Solution Approach 1:
The system employs parameter changes by adjusting data rates and timing parameters of different serialized streams to achieve synchronization. The summing units modify the temporal and rate parameters of incoming streams, transforming them into a unified format that can be processed by the distributed antenna switch, thereby maintaining flexibility while managing synchronization through controlled parameter adjustment
Solution Approach 2:
The summing units act as intermediary devices between the diverse data sources and the distributed antenna switch. These intermediaries buffer, rate-match, and synchronize the different serialized streams before passing them to the switch, isolating the complexity of rate management from the core switching function and enabling flexible aggregation without direct complexity in the switch itself
Data Source
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Figure 2A
Figure 2B
AI summary
A summing unit (102, 302, 404, 2102) within a telecommunications system (900A, 2100). The summing unit (102, 302, 404, 2102) comprises at least one port (402-1) configured to receive first multiplexed digital data from a multiplexing unit (902A, 902-1, 2118-1), the multiplexed digital data including first digital data from a first device (104-1, 2104-4, 2108-2, 2112-2, 2116-2) multiplexed with second digital data. The summing unit (102, 302, 404, 2102) is configured to sum the first digital data with other digital data to generate summed digital data for conversion to radio frequency signals and transmission at an antenna (114-1).