1. FannyMlinarsky;Performance Requirements and Verification of the IEEE 802 Wireless Technologies 2010 ISBN: 978‐1‐4244‐6217‐9.
2. Zia UrRahman;GSM technology: Architecture Security and Future Challenges 2017.
3. JasdeepSingh RajKumar;GSM wireless communication system: A review paper 2018 5.
4. https://www.qualcomm.com/news/onq/2017/08/understanding‐3gpp‐starting‐basics
5. https://www.ijert.org/research/evolution‐of‐high‐speed‐download‐packet‐access‐hsdpa‐networks‐IJERTV2IS110700.pdf