Device and communication method

A control unit in A-IoT devices determines D2R transmission timing based on specific conditions, addressing the lack of control methods in existing technologies and enhancing reader control by preventing delays and optimizing resource use.

WO2026028460A1PCT designated stage Publication Date: 2026-02-05NTT DOCOMO INC
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Patent Information

Application Number
PCT/JP2024/027814
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2026-02-05

AI Technical Summary

Technical Problem

The method for determining the period and defining the A-IoT device's behavior related to the transmission timing for D2R (device to reader) has not been established, leading to inadequate control by the reader over A-IoT devices.

Method used

A device with lower complexity than NB-IoT devices includes a control unit that determines transmission timing for D2R based on specific conditions and a transmission unit that transmits D2R within the defined period or at the specified timing, with operations to handle cases where transmission cannot be completed within the period.

Benefits of technology

This approach allows for appropriate control of A-IoT devices by the reader, preventing unnecessary delays and optimizing resource utilization by determining the transmission period and handling transmission failures effectively.

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Abstract

According to the present invention, a device having a complexity lower than that of Narrow Band Internet of Things (NB-IoT) device comprises: a control unit that determines a period or a transmission timing for transmitting a device-to-reader (D2R) corresponding to a reader-to-device (R2D) on the basis of a specific condition, determines whether transmission of the D2R is possible within the period or at the transmission timing, and performs an operation when transmission of the D2R cannot be performed within the period or at the transmission timing; and a transmission unit that transmits the D2R within the period or at the transmission timing.
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