Spatial Filter Transmission Control to Prevent Wireless Interference
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Solution Overview
Problem
Interference occurs in wireless communications networks, leading to missed and/or partial communications.
Innovation Solution
A method and apparatus that utilize spatial filters and control messages to determine and prevent interference by assessing whether a spatial filter causes interference on a third wireless node before transmitting a signal to a second node.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a spatial filter is used to transmit a signal to a second wireless node, then communication efficiency is improved, but interference may be caused to a third wireless node
Solution Approach 1:
The system performs preliminary interference assessment by receiving control messages from third wireless nodes and evaluating whether the spatial filter would cause interference before actually transmitting the signal. This advance evaluation prevents harmful transmissions while maintaining efficient communication when safe.
Solution Approach 2:
The system receives control messages from third wireless nodes providing feedback about their reception status and interference levels. This feedback loop enables the first wireless node to adjust its spatial filter usage dynamically, stopping transmissions when interference is detected and resuming when the channel is clear.
2Reliability
If interference assessment and control message processing are implemented, then interference is prevented, but device complexity increases
Solution Approach 1:
Third wireless nodes autonomously monitor their own reception conditions and generate control messages about their interference status without requiring external monitoring. This self-service approach distributes the assessment burden across the network rather than requiring a centralized complex control system.
Solution Approach 2:
The control messages serve multiple functions: they provide interference status information, enable coordination between nodes, and facilitate dynamic resource allocation. This multi-functionality reduces the need for separate specialized mechanisms for each function.
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for transmissions to not cause interference. One method includes receiving a first configuration including information of a first reference signal (RS). The method includes transmitting the first RS while applying a first spatial filter. The method includes determining whether the first spatial filter is to be used for transmitting a signal to a second wireless node. The method includes receiving a first control message from a third wireless node. The method includes determining, based on the first control message, whether the first spatial filter causes an interference on the third wireless node. The method includes, based on determining that the first spatial filter does not cause the interference on the third wireless node, transmitting the signal to the second wireless node.