Optimization of guard bandwidth in multi-neurologic 5G networks
Optimizing guard bands in 5G networks using SINR measurements addresses INI, enhancing throughput and spectrum utilization by efficiently allocating PRBs and utilizing guard bands for data transmission.
JP2026522169APending Publication Date: 2026-07-07MICROSOFT TECHNOLOGY LICENSING LLC
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- MICROSOFT TECHNOLOGY LICENSING LLC
- Filing Date
- 2024-06-12
- Publication Date
- 2026-07-07
AI Technical Summary
Technical Problem
5G networks face challenges in maximizing throughput due to inter-numerology interference (INI) caused by non-orthogonal subcarriers with different neurologies, leading to inefficient spectrum utilization and potential interference.
Method used
Optimizing guard bands in multi-neurology 5G networks by using SINR measurements to allocate PRBs efficiently, allowing the guard band to serve as a buffer and enable data transmission, thereby minimizing INI and maximizing network throughput.
Benefits of technology
Enhances spectrum utilization and network throughput by mitigating INI, allowing flexible allocation of radio spectrum to diverse user and service demands while optimizing guard band bandwidth for data transmission.
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Smart Images
Figure 2026522169000001_ABST
Abstract
This guard band optimization utilizes some of the guard band spectrum in a 5G network for a different purpose: data transmission. This technique increases overall spectrum utilization by using spectrum that would otherwise be "wasted" for the guard band. To mitigate the effects of interneurological interference (INI) caused by using a narrower guard band, the physical resource blocks (PRBs) of specific user equipment (UEs) are allocated to BWPs that have been modified by the increased bandwidth resulting from the narrower guard band. These specific UEs have signal strength characterized by a higher SINR (signal-to-noise ratio) compared to other UEs. While allocating PRBs to high-signal-strength UEs in BWPs closer to the edge of the narrower guard band increases the risk of INI, the high signal strength of these UEs helps reduce the impact of INI and maximize overall throughput for all users in the network.
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