Nannan Sui, Cong Wang, Wei Xie, Youyun Xu, Vol. 11, No. 2, February 27, 2017
10.3837/tiis.2017.02.005

• Machine-to-machine (M2M)
• human-to-human (H2H)
• physical random access channel (PRACH)
• LTE/LTE-A
• hybrid medium access control protocol.