1. 3GPP TR 36.888(2013).Study on provision of low‐cost machine‐type communications (MTC) user equipments (UEs) based on LTE; release 12. The 3rd Generation Partnership Project (3GPP).
2. 3GPP TR 37.869(2013).Study on enhancements to machine‐type communications (MTC) and other mobile data applications; release 12. The 3rd Generation Partnership Project (3GPP).
3. 3GPP TS 22.368(2014).Service requirements for machine‐type communications (MTC); Stage 1; Release 13. The 3rd Generation Partnership Project (3GPP).
4. 3GPP TS 23.303(2014).Proximity‐based services (ProSe); stage 2; release 12. The 3rd Generation Partnership Project (3GPP).
5. 3GPP TS 36.212(2015).Evolved universal terrestrial radio access (E‐UTRA); multiplexing and channel coding; release 12. The 3rd Generation Partnership Project (3GPP).