Resource allocation for environmental iot deployment topology 2

By defining DL and UL bandwidth portions and guard bands in the resource configuration of A-IoT devices and intermediate nodes, the problem of spectrum conflict between A-IoT devices and Uu links in Topology 2 deployment is solved, achieving efficient communication with low complexity and low power consumption.

CN122700526APending Publication Date: 2026-09-04INTEL PRODUCT IP LLC
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Patent Information

Application Number
CN202480087290.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-02-16
Filing Date
2024-12-23
Publication Date
2026-09-04

AI Technical Summary

Technical Problem

Existing 3GPP LPWA technology cannot meet the low complexity and low power consumption requirements of A-IoT devices, especially in Topology 2 deployments, where conflicts can easily occur when intermediate nodes and Uu links communicate in the same spectrum, affecting system performance.

Method used

By configuring the time and frequency domain resources of A-IoT devices and intermediate nodes, using NR Residual Minimum System Information (RMSI), NR Other System Information (OSI), or Dedicated Radio Resource Control (RRC) signaling, defining the DL and UL A-IoT Bandwidth Parts (BWP), and using guard bands and time windows, conflicts with Uu links are avoided, thus optimizing resource allocation.

Benefits of technology

It effectively avoids the performance impact of the Uu link, improves the communication efficiency and energy efficiency of A-IoT devices, and meets the low complexity and low power consumption requirements of A-IoT devices.

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Abstract

The present disclosure describes systems, methods, and devices related to optimizing resource allocation. A device can receive, from a base station, a configuration of one or more reader-to-device (R2D) or device-to-reader (D2R) time and frequency domain resources for an ambient Internet of Things (A-IoT) communication link. The device can receive, from the base station, a configuration linking a R2D bandwidth part (BWP) with a D2R BWP for an active A-IoT communication link. The device can transmit a physical channel or signal to an A-IoT device based on the configured R2D time and frequency domain resources. The device can receive a physical channel or signal from the A-IoT device based on the configured D2R time and frequency domain resources.
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