Robust Header Compression – ROHC

ROHC is a header compression protocol/algorithm that can be used compress the header of different IP packets. In normal case without compression  IPv4 header is 40 bytes and IPv6 header […]

PLMN Selection in LTE (Idle Mode Action)

UEs can be either in RRC_CONNECTED or RRC_IDLE mode. UEs will be declared as RRC_IDLE if there is no RRC connection between the UEs and the eNodeB and RRC_Connected when […]

Multi Carrier Cell Re-selection in LTE

Cell Re selection is a procedure used to change the cell after the UE is camped on a cell and stays in the Idle mode.This procedure is used to let […]

Narrow Band-Physical Broadcast Channel (NPBCH)

NPBCH stands for narrow band physical broadcast channel similar to PBCH in LTE Technology. The NPBCH is used to deliver the NB-IoT Master Information Block (MIB), which provides essential information […]

5G and 4G Comparison

A Short comparison of 5G and 4G technologies is given is table below Technology Data Rates Latency Mobility Support Spectrum Efficiency Users Density Energy Efficiency 5G (NR) Avg 100 Mb/s […]

3GPP Release 13

3GPP Release 13 first release was frozen in March 2016. It was brought to reality with quite extensive set of new functionalities as compared to LTE-Advanced. They are summarized below. LTE […]