Carrying information to acknowledge downlink transport blocks and feedback information to the system for scheduling and link adaptation of transport block CQI and ACK/NACK Physical Channel, Uplink, SF=256 A High-Speed Dedicated Physical Control Channel, or HS-DPCCH, is the third uplink channel for WCDMA. It makes it possible for changing power relations between to the dedicated … Read more
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 wave transmit through cable and reach to antenna so what? Now I give you … Read more
What is FADING, Its Type and Effect in RF design What is Fading: – Fading is most important thing when you design any RF Design lets understand what is fading and how its effect. The communication between the base station and mobile station in mobile systems is mostly non-LOS. The LOS path between the transmitter … Read more
LTE core network also called EPC in SAE is responsible for the complete control of the UE and the creation of media. The main logical nodes LTE EPC are: • PDN Gateway (P-GW) • Serving Gateway (S-GW) • Mobility Management Entity (MME) PCRF of LTE Core Network The political control and charging rules is responsible … Read more