Timing Advance in GSM

Timing Advance in GSM Transmission delay is unavoidable in the radio interface. If the mobile station moves away from the base station during a call, the further distance the more…

What is Basic behind MIMO for LTE

What is Basic behind MIMO for LTE MIMO and other transmit spatial diversity scheme is a newer application than receive diversity and has become widely implemented only in the early…

BCH,CCCH and DCCH Channel of GSM

BCH,CCCH and DCCH Channel of GSM BCH (Broadcast Channels) BCCH(Broadcast Control Channels) Downlink Only. Broadcast information of the serving cell (System Information). Transmitted on timeslot zero of BCCH carrier. Read…

How Downlink Control Information or DCI in LTE?

How Downlink Control Information or DCI in LTE? DCI serves as a means of communication from the network infrastructure (eNodeB) to the user equipment (UE), providing essential instructions and information…

Packet Data Convergence Protocol (PDCP) in LTE

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…

Dedicated Control Channel (DCCH) in GSM

Dedicated Control Channel (DCCH) in GSM SDCCH (Stand-alone Dedicated Control Channel) Uplink and Downlink. Used for call setup, authentication, ciphering location update and SMS. SACCH (Slow Associated Control Channel) Downlink…

How Voice Signal Processing in GSM

How Voice Signal Processing in GSM The radio channel is quite different from the wired channel. First, the radio channel has a distinct time-change characteristic. The radio channel is exposed…