S4400D:TRX_RQI_NUM_BY_TA_0
S4401D:TRX_RQI_NUM_BY_TA_1
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S4407D:TRX_RQI_NUM_BY_TA_7
S4408D:TRX_RQI_NUM_BY_TA_8
S4409D:TRX_RQI_NUM_BY_TA_9
S4410D:TRX_RQI_NUM_BY_TA_10
S4411D:TRX_RQI_NUM_BY_TA_11
S4412D:TRX_RQI_NUM_BY_TA_12
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S4414D:TRX_RQI_NUM_BY_TA_14
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S4430D:TRX_RQI_NUM_BY_TA_30_TO_31
S4432D:TRX_RQI_NUM_BY_TA_32_TO_33
S4434D:TRX_RQI_NUM_BY_TA_34_TO_35
S4436D:TRX_RQI_NUM_BY_TA_36_TO_37
S4438D:TRX_RQI_NUM_BY_TA_38_TO_39
S4440D:TRX_RQI_NUM_BY_TA_40_TO_44
S4445D:TRX_RQI_NUM_BY_TA_45_TO_49
S4450D:TRX_RQI_NUM_BY_TA_50_TO_54
S4455D:TRX_RQI_NUM_BY_TA_55_TO_63
S4463D:TRX_RQI_NUM_BY_TA_GT_63
TA is the acronym for Timing Advance, it indirectly reflects the distance between the MS and BTS. A larger value of TA indicates longer distance between the MS and BTS. RQI reflects the C/I ratio of a call. A measurement report contains RQI only when the call is on the AMR TRX.
During an AMR call, the MS periodically sends an MR with the RQI. After receiving the MR, the BSC decodes the TA in the RQI of the MR. A specified counter is measured based on the value of the TA. This measurement provides the distribution of the RQI based on the TA.
dB.
During an AMR call, the MS periodically sends an MR with the RQI to the BTS. The BTS then sends the information to the BSC in an MR or a pre-processed MR. After receiving the a valid MR or pre-processed MR, the BSC decodes the TA in the RQI of the MR. The value of the specified counter TRX_RQI_NUM_BY_TA_N is accumulated based on the value of the TA.
N indicates a value or a value range.
This is an original counter without involving any formula.