GSM Components Explained

GSM Components Explained – GSM has different network components SIM – Subscriber Identification Module MS – Mobile Station BTS – Base Transceiver System BSC – Base Station Controller MSC – Mobile Switching Center HLR – Home Location Register VLR – Visitor Location Register EIR – Equipment Identity Register EIR storage Read more…

GSM Channels

GSM Channels – GSM as two types of channels Physical and Logical. The Logical channels are divided in two sub channels one for signalling control and other for voice packets. Control / Signalling Channels Broadcast Channels BCH – Downlink BCCH – Broadcast Control Channel carrier the Cell information FCCH – Read more…