Powerline MIMO Conductor Pair Selection for Higher Throughput
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Solution Overview
Problem
Current communication technologies, including powerline communications, wireless local area networks, and others, face limitations such as lack of mobility in wired systems and coverage holes, interference, and bandwidth constraints, which hinder comprehensive coverage and efficient data exchange within premises.
Innovation Solution
The implementation of Multiple-Input-Multiple-Output (MIMO) communication links over powerline media and other wired paths, utilizing PLC devices with advanced signal processing and interface capabilities to determine optimal conductor pairs and channel quality, enabling simultaneous data transmission across multiple conductors and diverse communication paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If MIMO communication links are implemented over powerline media, then data throughput and coverage are enhanced, but device complexity and signal processing requirements increase
Solution Approach 1:
The PLC device segments communication by determining optimal conductor pairs for MIMO operations, dividing the powerline medium into distinct transmission paths. This segmentation enables parallel data streams across different conductor pairs, increasing throughput while managing complexity through structured signal separation
Solution Approach 2:
The patent transitions from single-conductor communication to multi-conductor MIMO communication, adding spatial dimensionality to the transmission medium. By utilizing multiple conductor pairs simultaneously, the system achieves higher data throughput through parallel spatial channels
2Area of stationary object
If MIMO communication links are implemented over powerline media, then coverage and bandwidth efficiency are improved, but signal processing complexity increases
Solution Approach 1:
The PLC device performs preliminary determination of optimal conductor pairs before establishing MIMO communication links. This advance preparation identifies the best transmission paths based on channel conditions, enabling effective coverage expansion while reducing real-time signal processing complexity
Solution Approach 2:
The system dynamically adapts conductor pair selection based on channel quality and interference conditions. This dynamic adjustment optimizes coverage area while managing signal processing complexity through adaptive rather than static configurations
3Reliability
If multiple conductor pairs are used for MIMO operations, then frequency conflicts and interference are overcome, but channel quality determination complexity increases
Solution Approach 1:
The PLC device implements feedback mechanisms to determine channel quality for each conductor pair. By continuously monitoring and adjusting based on channel conditions, the system overcomes frequency conflicts and interference while managing complexity through iterative optimization rather than exhaustive analysis
Solution Approach 2:
The system changes operational parameters by selecting different conductor pairs based on channel quality assessments. This parameter adjustment allows the system to avoid frequency conflicts and interference by dynamically switching to optimal transmission paths
Data Source
AI summary
A communications device includes a PLC interface operable to couple at least two differing communication signals to at least two differing pairs of at least three conductors of a powerline medium. A processing module of the device and the PLC interface interact with a remote PLC device to determine connectivity of the remote PLC device to the PLC device via the at least three conductors of the powerline medium, select at least two conductor pairs of the powerline medium that communicatively couple the PLC device to the remote PLC device for Multiple Input Multiple Output (MIMO) signal servicing, and simultaneously transmit MIMO PLC signals to the remote PLC device via the at least two conductor pairs. The communications device may also include a non-PLC interface, with the communications device operable to divide MIMO communications between a powerline medium and a non-PLC medium, e.g., coaxial cable, cat-5 cable.