# References

## Related documents

Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/appx_references.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/appx_references.html)

| Title | Number |
| --- | --- |
| Qualcomm Technologies, Inc. | Qualcomm Technologies, Inc. |
| *[QESDK Bring-up and Sample Application User                    Guide](https://docs.qualcomm.com/bundle/publicresource/topics/80-PV345-88/introduction.html)* | 80-PV345-88 |

## Acronyms and terms

Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/appx_references.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/appx_references.html)

| Acronym or term | Definition |
| --- | --- |
| APK | Android application package |
| AR | Activity recognition |
| DDS | Default data subscription |
| DSCP | Differentiated services code point |
| GGA | Global positioning system fix data |
| GNSS | Global navigation satellite system |
| GTP | Global terrestrial positioning |
| LCE | Link capacity estimation |
| LLE | Link latency estimation |
| LLI | Link layer interruption |
| LLM | Link latency manager |
| NMEA | National marine electronics association |
| NTRIP | Networked transport of RTCM via internet protocol |
| OOD | Out of order delivery |
| PDCP | Packet data convergence protocol |
| QAPE | Qualcomm Enhanced Performance Engine |
| QESDK | Qualcomm enhanced software development kit |
| QRD | Qualcomm reference design |
| RTK | Real-time kinematic positioning |
| TCP | Transmission control protocol |
| UDP | User datagram protocol |

Last Published: Nov 14, 2024

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API compatibility table](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/api_compatability_table.md)