Multi-SIM SRS Paging Collision Avoidance via SSB Switching

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Solution Overview

Problem

In wireless communications systems, particularly for multi-SIM user equipment (UEs), there is a challenge of overlapping or colliding resources for receiving sounding reference signals (SRSs) and paging occasions, which significantly reduces throughput.

Innovation Solution

The multi-SIM UE identifies time overlaps between SRS resources and paging occasions and transmits an indication to transition from a first serving synchronization signal block (SSB) to a second serving SSB, allowing non-colliding reception of paging messages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the multi-SIM UE receives SRS resources and paging occasions simultaneously, then both communication functions are supported, but resource collision occurs and throughput is reduced

Engineering Contradiction:

Improvemulti-SIM communication capabilityVSAvoidthroughput

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent segments the reception of SRS resources and paging occasions into separate time slots. The UE identifies overlapping resources and schedules SRS transmission and paging reception in non-overlapping time periods, dividing the resource allocation to eliminate collisions while maintaining both communication functions

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent implements dynamic resource scheduling where the UE monitors for overlaps between SRS resources and paging occasions, then adaptively adjusts the timing of SRS transmission or paging reception based on detected conflicts. This dynamic adjustment optimizes resource utilization and prevents throughput degradation

Inventive Principle:

Principle #15Dynamics

2Reliability

If the UE monitors all SRS resources and paging occasions, then complete signal reception is achieved, but resource overlap causes interference and reduces effective throughput

Engineering Contradiction:

Improvesignal reception completenessVSAvoideffective throughput

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent performs preliminary identification of potential resource overlaps between SRS and paging occasions before actual transmission/reception occurs. By detecting scheduled overlaps in advance, the UE can proactively adjust timing or prioritize signals to prevent interference, ensuring complete reception without throughput loss

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS20260032666A1Techniques for avoiding sounding reference signal and paging occasion collisions

Publication Date: 2026.01.29 QUALCOMM INC

AI summary

Methods, systems, and devices for wireless communications are described. Techniques described herein provide for avoiding sounding reference signal (SRS) and paging occasion collisions. In some examples, a user equipment (UE) may receive first control signaling indicating a set of SRS resources associated with a first subscriber identity associated with the UE. The UE may receive second control signaling indicating a first set of paging occasions and a set of synchronization signal block (SSB) occasions associated with a second subscriber identity associated with the UE. A first serving SSB may be associated with one of the SSB occasions. The UE may transmit, in accordance with a scheduling overlap in time between a SRS resource of the set of SRS resources and a paging occasion of the first set of paging occasions, an indication of a transition of the second subscriber identity from the first serving SSB to a second serving SSB.