Apparatus and method for transmitting synchronization signal and physical broadcast channel block on-demand in wireless communication system

By using on-demand SSB transmission technology, combined with QCL and TCI information, the problems of low efficiency and high energy consumption of synchronization signals in wireless communication systems are solved, network energy saving and accurate path loss estimation are achieved, and system performance is improved.

CN122123078APending Publication Date: 2026-05-29LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG ELECTRONICS INC
Filing Date
2024-10-29
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In existing wireless communication systems, the transmission method of synchronization signal/physical broadcast channel block (SSB) is inefficient, resulting in high base station network energy consumption, inaccurate path loss estimation, and inability to effectively utilize quasi-co-location (QCL) and transmission configuration indicator (TCI) related information.

Method used

The system employs on-demand synchronization signal/physical broadcast channel block (SSB) technology, dynamically transmitting SSBs as needed. Combined with QCL and TCI information, it adaptively configures and applies these technologies to optimize network energy-saving operations and channel status information reporting.

Benefits of technology

It improves the network energy efficiency of wireless communication systems, accurately estimates path loss, optimizes channel state information reporting, and enhances system performance.

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Abstract

The present disclosure aims to utilize a synchronization signal / physical broadcast channel block (SSB) transmitted on demand in a wireless communication system, and for this purpose, a method can include the steps of: receiving configuration information related to a transmission configuration indication (TCI), wherein the configuration information includes a first signal as information related to a quasi co-location (QCL); receiving a second signal on a first cell; and receiving a downlink signal or channel on the first cell by applying a QCL assumption of the second signal, wherein the second signal can include an on-demand SSB on the first cell.
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