Remote Interference Detection for Partially Overlapping Resources
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing remote interference detection methods in wireless communication networks are inadequate for scenarios where network nodes or cells have partially overlapping resources, leading to inefficiencies in detecting interference due to non-aligned central carrier frequencies and bandwidths.
Innovation Solution
A method and apparatus for remote interference detection that aligns subcarriers and sequences between network nodes using a common frequency reference point, enabling detection even when resources are partially overlapped, by employing a common frequency reference point to ensure alignment of subcarriers and sequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If remote interference detection is implemented using existing solutions requiring same bandwidth and central carrier frequency, then detection reliability is improved, but device complexity and configuration flexibility deteriorate
Solution Approach 1:
The patent changes the detection parameters by introducing a correlation-based approach that can handle frequency offsets. Instead of requiring exact frequency alignment, the system uses correlation processing to detect reference signals even when there is frequency discrepancy, thus maintaining detection reliability while reducing configuration constraints.
Solution Approach 2:
The patent makes the detection system universal by enabling it to work across different resource configurations. The correlation-based detection mechanism can handle various bandwidth combinations and frequency offsets, making the system applicable to multiple scenarios without requiring separate detection mechanisms for each configuration type.
2Measurement precision
If remote interference detection requires same bandwidth and central carrier frequency alignment, then measurement precision is improved, but adaptability deteriorates
Solution Approach 1:
The patent changes the detection approach by using correlation processing that is insensitive to frequency offsets. This allows the system to maintain measurement precision for reference signal detection while adapting to various resource configurations, including different bandwidths and central carrier frequencies, thereby improving adaptability.
Solution Approach 2:
The patent introduces dynamic adaptation capability through the correlation-based detection mechanism. Instead of requiring static frequency alignment, the system dynamically adjusts to handle frequency offsets and varying resource configurations, enabling flexible operation across different network scenarios while maintaining detection precision.
3Adaptability or versatility
If subcarriers and sequences are aligned using common frequency reference point, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent introduces a common frequency reference point as an intermediary element that simplifies the alignment process. Instead of requiring complex direct alignment between different network nodes, the system uses this reference point as a mediator to establish consistent subcarrier and sequence alignment, reducing the complexity of the alignment processing while improving adaptability.
Data Source
AI summary
Various embodiments of the present disclosure provide a method for remote interference detection. The method which may be performed by a first network node comprises determining a first subcarrier in a first resource of the first network node to transmit a reference signal for remote interference detection. The first subcarrier may be aligned with a second subcarrier in a second resource of a second network node. In accordance with an exemplary embodiment, the method further comprises transmitting the reference signal on the first subcarrier, according to a first reference signal sequence mapped to the first resource. The first reference signal sequence may be aligned, in an overlapped part of the first resource and the second resource, with a second reference signal sequence mapped to the second resource.