1. 3rd Generation Partnership Project “Mobile broadband standard: LTE.” [Online]. Available:http://www.3gpp.org/technologies/keywords‐acronyms/98‐lte. [Accessed: Jul. 24 2016].
2. S.PalatandP.Godin “LTE network architecture: A comprehensive tutorial ” Alcatel Lucent Strategic White Paper 2009.
3. TETRA and Critical Communications Association “TETRA and LTE working together v1.1.” White Paper Jun. 2014. Available:https://tcca.info/fm_file/tetra‐and‐lte‐working‐together‐v1‐1‐pdf/.
4. Motorola Solutions “The future is now: Public safety LTE communications ” White Paper Aug.2012.