# LLE susbsystem APIs Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/lle_subsystem_apis.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/lle_subsystem_apis.html) - **[Constructor](https://docs.qualcomm.com/doc/80-PK177-134/topic/creator.html)** Constructor for the main link into LinkLatencyEstimate. - **[setReportingCriteria](https://docs.qualcomm.com/doc/80-PK177-134/topic/set_reporting_criteria.html)** Sets the interval at which periodic estimation reports are sent by the modem. This interval is not guaranteed but the modem picks the best matching interval it supports. The actual interval can be obtained with [getLastEstimationReport](https://docs.qualcomm.com/doc/80-PK177-134/topic/get_last_estimation_report.html) and [registerForEstimationReports](https://docs.qualcomm.com/doc/80-PK177-134/topic/register_for_estimation_reports.html). - **[getLastEstimationReport](https://docs.qualcomm.com/doc/80-PK177-134/topic/get_last_estimation_report.html)** Gets the latest link latency estimation report. - **[registerForEstimationReports](https://docs.qualcomm.com/doc/80-PK177-134/topic/register_for_estimation_reports.html)** Registers for the link latency estimation reports. **Parent Topic:** [Link latency estimation (smart data link)](https://docs.qualcomm.com/doc/80-PK177-134/topic/link_latency_estimation.html) Last Published: Nov 14, 2024 [Previous Topic Link latency estimation (smart data link)](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/link_latency_estimation.md) [Next Topic Constructor](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/creator.md)