Wireless Network Adaptation via Coordinated Probing Transmissions
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Solution Overview
Problem
Wireless networks face challenges in efficiently adapting and reconfiguring network points and carriers due to interference changes and traffic fluctuations, leading to suboptimal performance and user experience degradation, as existing methods are slow to respond to sudden interference conditions and require iterative and complex procedures.
Innovation Solution
The method involves eNBs coordinating probing transmissions and timings to synchronize UE actions, receiving feedback, and further coordinating operations to apply probing transmissions on broader time-frequency resources, using reconfiguration signals to adjust UE filtering and measurement processes, and utilizing probing resources to predict and fine-tune network configurations without disrupting normal data transmissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If traditional iterative reconfiguration procedures are used to adapt network points and carriers, then network stability is maintained, but adaptation speed to interference changes is slow and latency is high
Solution Approach 1:
The patent applies preliminary action by performing probing transmissions and measurements on selected time-frequency resources before actual network reconfiguration. This allows the network to predict interference conditions and evaluate potential reconfiguration outcomes in advance, enabling faster decision-making without disrupting normal operations. The probing phase prepares the system for rapid adaptation when reconfiguration is needed.
Solution Approach 2:
The patent segments the reconfiguration process into distinct phases: probing phase (measurement and prediction), decision phase (evaluation), and execution phase (actual reconfiguration). By dividing the complex iterative procedure into separable stages, the system can operate more efficiently with reduced latency while maintaining stability during normal data transmissions.
2Measurement precision
If probing transmissions are performed on broader time-frequency resources, then measurement accuracy improves, but interference with normal data transmissions increases
Solution Approach 1:
The patent applies local quality by performing probing transmissions only on specifically selected time-frequency resources rather than across the entire spectrum. These probing resources are strategically chosen to provide sufficient measurement accuracy for interference prediction while occupying minimal resources that would otherwise be available for normal data transmissions, thus reducing harmful interference.
Solution Approach 2:
The patent uses probing transmissions as an intermediary mechanism to indirectly assess interference conditions without directly impacting normal data transmissions. The probing signals serve as a mediator that allows the network to gather measurement data on selected resources, predict interference patterns, and make reconfiguration decisions while keeping the actual data transmission channels largely undisturbed.
3Reliability
If reconfiguration is performed quickly to respond to interference changes, then user experience is maintained, but normal data transmissions may be disrupted
Solution Approach 1:
The patent performs probing and evaluation actions in advance before executing actual reconfiguration. This preliminary phase allows the system to predict interference conditions and assess the impact of potential reconfigurations on ongoing data transmissions, enabling quick response to interference changes while minimizing disruption to user experience.
Solution Approach 2:
The patent implements periodic probing transmissions at strategically selected intervals and resources. This periodic approach allows the network to continuously monitor interference conditions and perform reconfigurations at optimal moments, maintaining user experience quality while reducing the frequency and impact of disruptions to normal data transmissions.
Data Source
AI summary
An embodiment method for adaptation and reconfiguration in a wireless network includes base stations coordinating and setting aside a set of time-frequency resources for probing purposes, the base stations coordinating a set of probing transmissions and timings to be used to synchronize base stations/UEs actions, the base stations signaling the resources and timings to UEs, the base stations performing coordinated operations on the resources according to the timings, the base stations receiving feedback reports from UEs based on UE measurements on the signaled resources according to the signaled timings, and the base stations further coordinating the operations for further probing or to apply probing transmissions on broader time-frequency resources.