A configuration command that modifies the extended parameters in other parameters of the cell. In this command, Cell index or Cell name uniquely identifies a cell.
For the BTS3002C, BTS3001C, BTS3001CP, BTS22C, and BTS20, the Frame offset must be set to 255, and cannot be modified.
| ID | Name | Description |
|---|---|---|
| IDXTYPE | Index type | Meaning:Index type Value range:BYNAME(By Name),BYIDX(By Index) Explanation: Index Type. Default value:None |
| CELLIDX | Cell index | Meaning:Cell index Value range:0~2047 Explanation: This parameter indicates the number of the cell. Each cell is numbered uniquely in a BSC. Default value:None |
| CELLNAME | Cell name | Meaning:Cell name Value range:1-32 characters Explanation: This parameter indicates the name of the cell. Each cell is named uniquely in a BSC. Default value:None |
| DATATRAFFSET | Data service allowed | Meaning:Data service allowed Value range:NT14_5K(1),NT12K(2),NT6K(3),T14_4K(4),T9_6K(5),T4_8K(6),T2_4K(7),T1_2K(8),T600_BITS(9),T1200_75(10) Explanation: This parameter specifies the data service supported. This value of the parameter can be set as required. 0000000001: indicates that only the NT14.5K data service is supported. 0000000010: indicates that only the NT12K data service is supported. 0000000100: indicates that only the NT6K data service is supported. 0000001000: indicates that only the T14.4K data service is supported. 0000010000: indicates that only the T9.6K data service is supported. 0000100000: indicates that only the T4.8K data service is supported. 0001000000: indicates that only the T2.4K data service is supported. 0010000000: indicates that only the T1.2K data service is supported. 0100000000: indicates that only the T600BITS data service is supported. 1000000000: indicates that only the T1200/75 data service is supported. Default value:None |
| DRXEN | SMCBC DRX | Meaning:SMCBC DRX Value range:NO(NO),YES(YES) Explanation: This parameter specifies whether to support DRX. To reduce the power consumption, the discontinuous reception mechanism (DRX) is introduced to the GSM. The MS that supports the DRX consumes less power to receive broadcast messages that the MSs are interested in. This prolongs the service time of the MS battery. The BSC that supports the DRX should send the dispatching message to MSs so that the MSs can use the DRX function. The period occupied by broadcast short messages that are contained in a dispatching message is called a dispatching period. The description and position of the broadcast short message are contained in the dispatching message in the sending sequence. Default value:None |
| CDRTTRYFBDTHRES | Cell directed retry forbidden threshold | Meaning:Cell directed retry forbidden threshold Value range:0~100 Explanation: If Assignment Cell Load Judge Enable is set to Yes, the directed retry procedure is started if the following two conditions are met: The cell supports the directed retry procedure. The load of the cell is greater than or equal to the Cell Directed Retry Forbidden Threshold. Default value:None |
| INTERFTHRES0 | Interf. band threshold 0 [-dbm] | Meaning:Interf. band threshold 0 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, reports a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERFTHRES1 | Interf. band threshold 1 [-dbm] | Meaning:Interf. band threshold 1 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, sends a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERFTHRES2 | Interf. band threshold 2 [-dbm] | Meaning:Interf. band threshold 2 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, sends a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERFTHRES3 | Interf. band threshold 3 [-dbm] | Meaning:Interf. band threshold 3 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, sends a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERFTHRES4 | Interf. band threshold 4 [-dbm] | Meaning:Interf. band threshold 4 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, sends a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERFTHRES5 | Interf. band threshold 5 [-dbm] | Meaning:Interf. band threshold 5 [-dbm] Value range:48~115 Explanation: This parameter specifies the threshold used for interference measurement. The BSS measures the uplink quality of the radio channels occupied by MSs, calculates and reports the interference level on each of the idle channels. This helps the BSC to assign channels. According to the strength of interference signals, the interference signals are classified into six interference levels. The values of these levels are called Interf. Band Thresholds. The BTS determines the interference level based on these thresholds. The BTS, then, sends a radio resource indication message to the BSC. The BSC compares the busy and idle channels reported in the measurement report and in the radio resource indication message to determine whether to perform a handover. The interference band measurement result provides reference for threshold setting and interference analysis. For details, see GSM Rec. 08.08, 08.58, and 12.21. If the difference between the values of two thresholds are too small, the interference is too obvious. If the difference between the values of two thresholds are too great, the interference is not reflected. Default value:None |
| INTERPERIOD | Interf.calculation period[480ms] | Meaning:Interf.calculation period[480ms] Value range:1~31 Explanation: This parameter specifies the period during which interference levels are averaged. Before the BTS sends the radio resource indication message to the BSC, the interference levels on the idle channels in the period specified by this parameter are averaged. The result is used to classify the interference levels on the idle channels into five interference bands. For details, see GSM Rec. 08.08, 08.58, and 12.21. Default value:None |
| RFMAXPWRDEC | Max RC power reduction[2dB] | Meaning:Max RC power reduction[2dB] Value range:0~21 Explanation: This parameter specifies the maximum number of levels by which the BTS RF power decreases. The decrease in the BTS RF power is implemented through dynamic power control and static power control. For the BTS2X, this parameter is shielded. For the BTS3X and double-transceiver BTS, this parameter is invalid. For the BTS3X and double-transceiver BTS, power control is performed on the basis of the power level of a TRX. Default value:None |
| TFRMSTARTTIME | Frame start time | Meaning:Frame start time Value range:0~65535 Explanation: This parameter specifies the start frame number of the BTS. It is used to synchronize the MS and the BTS after the BTS is re-initialized. The frame offset technology arranges the frame numbers of different cells under the same BTS to be different from one another by one frame offset. Thus, the FCH and SCH signals of adjacent cells do not appear in the same frame to facilitate the MS decoding. Default value:None |
| DCDIVTHRES | DC bias voltage threshold | Meaning:DC bias voltage threshold Value range:0~4 Explanation: For the BTS2X, this parameter is used to compensate the difference of RSSI between the time the tower-mounted amplifier (TMA) is installed and the time the TMA is not installed. The value of this parameter when the tower-mounted amplifier is not installed is 3 greater than that when the tower-mounted amplifier is installed. Default value:None |
| POERRTHRES | Power output error threshold | Meaning:Power output error threshold Value range:0~9 Explanation: This parameter specifies a condition for generating a BTS alarm. When the output power of a TRX of a transmitter is lower than a fixed level, an error is generated.The Power output error threshold and Power output reduction threshold indicate the two thresholds of the error. Default value:None |
| PODECTHRES | Power output reduction threshold | Meaning:Power output reduction threshold Value range:0~9 Explanation: This parameter specifies a condition for generating a BTS alarm. When the output power of a TRX of a transmitter is lower than a fixed level, an error is generated.The Power output error threshold and Power output reduction threshold indicate the two thresholds of the error.If the value of this parameter is greater, the error is smaller. Default value:None |
| VSWRERRTHRES | VSWR TRX unadjusted threshold | Meaning:VSWR TRX unadjusted threshold Value range:0~12 Explanation: This parameter specifies a condition for generating a BTS alarm. This parameter together with VSWR TRX Error Threshold is used to detect whether the antenna system connected to the TRX is faulty. Default value:None |
| VSWRUNJUSTTHRES | VSWR TRX error threshold | Meaning:VSWR TRX error threshold Value range:0~12 Explanation: This parameter specifies a condition for generating a BTS alarm. This parameter together with VSWR TRX Error Threshold is used to detect whether the antenna system connected to the TRX is faulty. If this parameter is set to a small value, the error is small. Default value:None |
| FRAMEOFFSET | Frame offset | Meaning:Frame offset Value range:0~255 Explanation:The frame offset technology arranges the frame numbers of different cells under the same BTS to be different from one another by one frame offset. Thus, the FCH and SCH signals of adjacent cells do not appear in the same frame to facilitate the MS decoding. This technology prevents the loss of measurement reports caused by the BSIC that cannot be decoded, improves the system performance, and ensures the radio handover success rate of the BSC. The default value of this attribute is 0, which indicates the cell is not offset. If the value is not 0, the handover mode need be changed from synchronous to asynchronous. If the value is 255, the BTS does not send this attribute. For BTS3001C and BTS2X BTSs, the value of this attribute is fixed to 255.The BTS3X, BTS3002C and double-transceiver BTSs can predict the frame offset according to the value of frame offset parameter. Default value:None |
| FREQADJ | Frequence adjust switch | Meaning:Frequence adjust switch Value range:NO(NO),YES(YES) Explanation:This parameter is used for the fast-moving handover decision. If this parameter is set to Yes, the BTS calculates the speed at which the MS moves towards or away from the BTS, and reports the speed to the BSC through the uplink MR. Default value:None |
| FREQADJVALUE | Frequence adjust value | Meaning:Frequence adjust value Value range:0~65535 Explanation:The value of this parameter has 16 bits. The most significant bit indicates whether the parameter is valid. Bits 14-8 indicate the level threshold. Bits 7-0 indicate the BER threshold. The BTS adjusts the MS frequency according to the value of this parameter. Default value:None |
| RESERVEDIDLECH | Reserved TCH Number for PA Turning On | Meaning:Reserved TCH Number for PA Turning On Value range:0~16 Explanation:When the number of idle channels in a cell is smaller than this parameter, the BSC starts the power amplifier of a TRX. Default value:None |
| SDDROPSTATULLEV | Uplink Received Level Threshold of SDCCH Call Drop Statistic | Meaning:Uplink Received Level Threshold of SDCCH Call Drop Statistic Value range:0~63 Explanation:This parameter specifies the level threshold for measuring the number of call drops on SDCCH. When call drop occurs on the SDCCH, the BSC determines whether the uplink receive level is lower than this threshold. If the uplink receive level is lower than this threshold and the TA is smaller than the TA threshold of the serving cell, the number of call drops on SDCCH (receive level) is incremented by one. Default value:None |
| SDDROPSTATDLLEV | Downlink Received Level Threshold of SDCCH Call Drop Statistic | Meaning:Downlink Received Level Threshold of SDCCH Call Drop Statistic Value range:0~63 Explanation:This parameter specifies the level threshold for measuring the number of call drops on SDCCH. When call drop occurs on the SDCCH, the BSC determines whether the downlink receive level is lower than this threshold. If the downlink receive level is lower than this threshold and the TA is smaller than the TA threshold of the serving cell, the number of call drops on SDCCH (receive level) is incremented by one. Default value:None |
| SDDROPSTATULQUAL | Uplink Quality Threshold of SDCCH Call Drop Statistic | Meaning:Uplink Quality Threshold of SDCCH Call Drop Statistic Value range:0~70 Explanation:This parameter specifies the quality threshold for measuring the number of call drops on SDCCH. When call drop occurs on the SDCCH, the BSC determines whether the uplink quality level multiplied by 10 is higher than this threshold. If all the following four conditions are met, the number of call drops on SDCCH (receive quality) is incremented by one. First, the uplink quality level multiplied by 10 is higher than this threshold. Second, the TA is smaller than the TA threshold of the serving cell. Third, the uplink level is higher than Uplink Received Level Threshold of SDCCH Call Drop Statistic. Finally, the downlink level is lower than Downlink Received Level Threshold of SDCCH Call Drop Statistic. Default value:None |
| SDDROPSTATDLQUAL | Downlink Quality Threshold of SDCCH Call Drop Statistic | Meaning:Downlink Quality Threshold of SDCCH Call Drop Statistic Value range:0~70 Explanation:This parameter specifies the quality threshold for measuring the number of call drops on SDCCH. When call drop occurs on the SDCCH, the BSC determines whether the downlink quality level multiplied by 10 is higher than this threshold. If all the following four conditions are met, the number of call drops on SDCCH (receive quality) is incremented by one. First, the downlink quality level multiplied by 10 is higher than this threshold. Second, the TA is smaller than the TA threshold of the serving cell. Third, the uplink level is higher than Uplink Received Level Threshold of SDCCH Call Drop Statistic. Finally, the downlink level is lower than Downlink Received Level Threshold of SDCCH Call Drop Statistic. Default value:None |
| MAINBCCHPWRDTEN | Main BCCH Trx Non-Bcch Time Slot Power Derating Enable | Meaning:Main BCCH Trx Non-Bcch Time Slot Power Derating Enable Value range:NO(NO),YES(YES) Explanation: This parameter specifies whether to enable the power derating function on the non-BCCH timeslots of the BCCH TRX. Default value:None |
| MAINBCCHPWRDTSTIME | BCCH TRX Non-BCCH Timeslot Power Derating Start Time[HH:MM] | Meaning:BCCH TRX Non-BCCH Timeslot Power Derating Start Time[HH:MM] Value range:Data or Time type parameter Explanation: This parameter specifies the time to enable the power derating function on the non-BCCH timeslots of the main BCCH. The time specified by this parameter must be earlier than or same as that specified by Main BCCH Trx Non-Bcch Time Slot Power Derating End Time[HH:MM]. Default value:None |
| MAINBCCHPWRDTETIME | BCCH TRX Non-BCCH Timeslot Power Derating End Time[HH:MM] | Meaning:BCCH TRX Non-BCCH Timeslot Power Derating End Time[HH:MM] Value range:Data or Time type parameter Explanation: This parameter specifies the time to disable the power derating function on the non-BCCH timeslots of the main BCCH. The time specified by this parameter must be later than or equal to that specified by Main BCCH Trx Non-Bcch Time Slot Power Derating Start Time[HH:MM]. Default value:None |
| MAINBCCHPWRDTRANGE | Main BCCH Trx Non-Bcch Time Slot Power Derating Range[0.2dB] | Meaning:Main BCCH Trx Non-Bcch Time Slot Power Derating Range[0.2dB] Value range:0~15 Explanation: This parameter specifies the maximum power derating range on the non-BCCH timeslots of the main BCCH. Default value:None |
| MAINBCCHPWDTACTCHEN | BCCH TRX Non-BCCH Timeslot Power Derating Enabled | Meaning:BCCH TRX Non-BCCH Timeslot Power Derating Enabled Value range:NO(NO),YES(YES) Explanation: This parameter specifies whether to reduce the transmit power of the channels with the power derating function. Default value:None |
| CELLWEAKCVGRXLEVDLTH | Cell Weak Coverage Downlink RxLev Threshold | Meaning:Cell Weak Coverage Downlink RxLev Threshold Value range:0~63 Explanation: This parameter specifies the downlink Rxlev threshold of the cell with weak coverage. When the rate of the number of times that the downlink level of a cell is smaller than Cell Weak Coverage Downlink RxLev Threshold and the TA is greater than or equal to Cell Weak Coverage TA Threshold is greater than 30%, the cell is defined as a cell with weak coverage. Default value:None |
| CELLWEAKCVGTALTH | Cell Weak Coverage TA Threshold | Meaning:Cell Weak Coverage TA Threshold Value range:0~63 Explanation: This parameter specifies the TA threshold of the cell with weak coverage. When the ratio of the number of times that the downlink level of a cell is smaller than Cell Weak Coverage Downlink RxLev Threshold and the TA is greater than or equal to Cell Weak Coverage TA Threshold is greater than 30%, the cell is defined as a cell with weak coverage. Default value:None |
| CELLOVERCVGRXLEVDLTH | Cell Over Coverage Downlink RxLev Threshold | Meaning:Cell Over Coverage Downlink RxLev Threshold Value range:0~63 Explanation: This parameter specifies the downlink Rxlev threshold of the cell with over-coverage.When the ratio of the number of times that the downlink level of a cell is smaller than Cell Weak Coverage Downlink RxLev Threshold and the TA is greater than or equal to Cell Weak Coverage TA Threshold is greater than 20%, the cell is defined as a cell with over-coverage. Default value:None |
| CELLOVERCVGTALTH | Cell Over Coverage TA Threshold | Meaning:Cell Over Coverage TA Threshold Value range:0~63 Explanation: This parameter specifies the TA threshold of the cell with over-coverage. When the ratio of the number of times that the downlink level of a cell is smaller than Cell Weak Coverage Downlink RxLev Threshold and the TA is greater than or equal to Cell Weak Coverage TA Threshold is greater than 20%, the cell is defined as a cell with over-coverage. Default value:None |