How Downlink Control Information or DCI in LTE?
Downlink Control Information or DCI in LTE The PDCCH carries Downlink Control Information or DCI to indicate the resource assignment in UL or DL for one RNTI. A DCI can…
Packet Data Convergence Protocol (PDCP) in LTE
What is pdcp in lte: – PDCP means Packet Data Convergence Protocol means it convert data at protocol level let’s check its function at user plane and control plane in details….
Timing Advance in LTE
Timing advance lte what is timing advance in lte: -The eNB measures the required timing advance based on the received UE signal arrival time. It commands the UE to adjust…
Resource Block & Physical Resource Block in LTE
What is Resource block in lte? :- A resource block is the smallest unit of resources which allocated to a user. The resource block is 1 slot long in time…
S1 interface – A Single Interface between LTE RAN and evolved packet core
The S1 interface is the interface between the LTE RAN and evolved packet core. S1 interface protocol stack is described in Figure. S1 performs the following functions: S1-UP (user plane)…
What is VSWR (Voltage Standing Wave Ratio) and How tilting antenna
VSWR means voltage standing wave ratio which everyone knows but why it comes to calculate in Telecom? When BTS transmit any signal (LTE, CDMA, GSM, WCDMA anyone) then in radio…
What is the difference between LTE and VOLTE?
What is VOLTE:- Volte (voice over lte) refers to voice calls made through a 4G LTE network rather than traditional calls made using csfb (circuit-switched fall-back), a system that switches…
LTE Frame Structure and Resource Block Architecture
LTE Frame Structure The figure below shows the LTE frame structure under Time division mode (TDD) Type 2 and Frequency Division mode (FDD) Type 1. Differences in LTE Frame Structure…
What is MNC and MCC for GSM
MCC MNC – Telecom What is mcc and mnc :- Both are very first question in your mind when you start learning on telecom its basic behind numbering system in…
What is Burst in GSM and Burst Types in GSM
The Below a GSM burst. It consists of several different elements. These elements are as below: This is the area in which the speech, data or control information is held….
Cell selection and reselection in LTE UE
To get service from the selected PLMN, the UE performs two types of procedures: LTE cell selection and LTE cell reselection CELL SELECTION in LTE Upon PLMN selection, LTE UE…
How Authentication Center (AUC) works in GSM
When we talk about Mobile Business then its worst useful without authentication means to make Network as business all user required to be authenticate lets understand how authentication done in…