ADMISSION CONTROL

Admission control function admits or denies new users. AD mechanism consists of two main step: RAB Matching : This performs the mapping of the requested [...]

CHANNEL REQUEST

The MS initiates a call by sending a CR message, with an REF. The REF include and establishment cause and a RAND. It is transmitted on the RACH channel. [...]

POWER CONTROL FOR BSC

PC: Power control is ensuring that any mobile is connected with cell in which the output powers from the mobile station and base station are as low as [...]

MAJORS KPI

Here We can see much improvement after do optimize such as: - Handover Success Rade - Call Setup Success Rate - Call Drop Rate [...]

How to Solved Low Coverage Issue

Here are step how to solved low coverage complains: - Check exactly Lat/Long - Check QoS around location complains, make sure all cells point to complains [...]

Drive Test Analysis

Here is step of the log file drive test after re-tune some frequency: [...]

Radio Link Supervision

For each active radio channel, a counter “S” is •decremented by 1 each time an SACCH frame cannot be decoded (BFI=1) •Incremented by 2 [...]

After adjusting the Ho quality and interference parameter

Will be improvement such as: • Handover incoming and outgoing efficiency improved. • Handover incoming and outgoing  rate is degraded [...]

CELL RESELECT HYSTERESIS

Level hysteresis for cell reselection applied when the new cells is in different location area. Alcatel default value 6dB; Value range 0dB to 14dB. Figure [...]

Parameter for change satlile to Microwave/Optic on cell

Please change these parameters following: 1.       BS_CV_MAX:     change from 15 to 9. 2.       [...]

Parameter for change satlile to Microwave/Optic

Should be change following MFS parameters at MFS_Evo 1.       T_ACK_WAIT: change from 17 to 12 (x0.1 sec) 2.       [...]