BTS Color Code BCC in GSM

BCC is a part of BSIC. For its function, please refer to above sections. BCC is composed of 3 bits. The available range is from 0 to 7. BSIC includes…

Network Color Code NCC for GSM

NCC is a part of BSIC. MS uses it to distinguish adjacent BTS that belong to different GSM PLMN. NCC is composed of 3 bits, with the range of 0…

What is BSIC and its use in GSM

BSIC=NCC+BCC In GSM system, each BTS is allocated with a color code, which is called BSIC. MS can identify two cells with the same BCCH by the help of BSIC….

What is Cell Identity CI in GSM

To uniquely identify each cell in the GSM PLMN, the network operator needs to allocate one code for each cell, which is the cell identity (CI). Cell identity, together with…

What is Use of LAC in GSM

Location Area Code(LAC) :  To locate the location of MS, the whole area covered by each GSM PLMN is divided into different location areas. LAC is used to identify different…

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 Network Identity Parameter CGI in GSM

Network identity parameters mainly include cell global identity (CGI) and base station identity code (BSIC). CGI=MCC+MNC+LAC+CI Once MS receives SYS INFO, it decodes the CGI information, and decides whether it…

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 delay. The uplink is…

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 to the air, so it is…

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 only by idle mobile at least…

Basic of GSM Um,Abis and A Interface

GSM (Um) Air Interface This is the interface between the GSM mobile station and the GSM Base station. The Air interface (RF Interface) uses the Time Division Multiple Access (TDMA)…