Multi OpenBTS: Catatan Network Color Code NCC di GSM

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Sumber: http://www.teletopix.org/gsm/network-color-code-ncc-for-gsm/

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 to 7.

NCC and BCC together form the base station identity code (BSIC), transmitted on synchronous channel of each cell.

In many cases, different GSM PLMNs have the identical coverage in many But their network planning are independent from each other. To ensure that adjacent BTSs have different BSICs, it is generally regulated that adjacent GSM PLMN select different NCC.

Adjacent or close cells with the same BCCH frequency must have different BSIC. Special attention should be paid to the configuration of cells in boundary areas.


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