AMR DL Coding Rate adj.th1(F)

Parameter Name

AMR DL Coding Rate adj.th1(F)

Description

Based on the RQI in the call measurement report, the BTS and MS automatically adjust the current speech coding rate according to the related algorithm. The coding rate adjustment threshold is the threshold of RQI. The RQI indicates the carrier-to-interference ratio (CIR) of the call. If RQI equals 1, the CIR is 0.5 dB; if RQI equals 2, the CIR is 1 dB; and so forth. Since there are multiple coding rates in the ACS, there is an adjustment threshold and an adjustment hysteresis between the neighboring coding rates.

GUI Value Range

[0,63]

Default Value

12

Unit

None

Step

2dB

Modification Rules

None

Configuration Policy

None

Recommended Value

12

Parameter Relationship

The value of this parameter must meet the following conditions:

AMR DL Coding Rate adj.th1(F) < AMR DL Coding Rate adj.th2(F)

AMR DL Coding Rate adj.th1(F) + AMR DL Coding Rate adj.hyst1(F) < AMR DL Coding Rate adj.th2(F) + AMR DL Coding Rate adj.hyst2(F)

BSC Feature

AMR

Parameter Class

Parameters About Radio Resources

Caution

None


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