Synchronization signal block monitoring by on off keying receiver

The OOK detector based LP-WUR addresses the power-latency trade-off by using a configured transmission pattern to monitor SSBs, reducing power consumption and enhancing latency in wireless communication devices.

WO2026031058A1 Publication Date: 2026-02-12QUALCOMM INC +3
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Patent Information

Application Number
PCT/CN2024/110657
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2026-02-12

AI Technical Summary

Technical Problem

Existing wireless communication systems face challenges in balancing power consumption and latency, particularly in devices equipped with both main radios and low-power wake-up receivers, as frequent activation of main radios increases power consumption while reducing latency.

Method used

Implementing an on-off keying (OOK) detector based low-power wake-up receiver (LP-WUR) that monitors for synchronization signal blocks (SSBs) using a configured transmission pattern with periods of no transmission, allowing the main radio to conserve power and reduce unnecessary activations.

Benefits of technology

The OOK detector based LP-WUR effectively reduces power consumption and improves latency by minimizing unnecessary main radio activations, enabling efficient SSB processing and synchronization without significant energy waste.

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Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, configuration information indicating a pattern associated with a periodic transmission of a signal by the network node, wherein the pattern comprises a first time resource via which no transmission by the network node occurs, followed by a second time resource via which the signal is to be transmitted, followed by a third time resource via which no transmission by the network node occurs. The UE may receive, using an on off keying (OOK) detector based low power wake-up receiver (LP-WUR), the signal in accordance with the pattern. Numerous other aspects are described.
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