Multi-path error limits of GSM 900 at RX noise level with a deviation of 400 kHz in Vietnam

01:18, 11/07/2024

In 2016, the Ministry of Information and Communications issued Circular 30/2016/TT-BTTTT stipulating the National Technical Regulations on GSM mobile communication base station equipment.

Circular 30/2016/TT-BTTTT stipulates the multi-path error limits of GSM 900 at RX interference deviation of 400 kHz in Vietnam as follows:

Channel Type	Error Measurement Parameter	Error Rate for Specific Propagation Conditions
Channel Type	Error Measurement Parameter	TU50 (non-SFH)	TI5 (non-SFH)
FACCH/F	(FER)	17.1%	17.1%
TCH/FS	(FER)	10.2α%	10.2α%
- class Ib	(RBER)	0.72/α%	0.72/α%
- class II	(RBER)	8.8%	8.8%

Also according to Circular 30/2016/TT-BTTTT, the multi-path error limits of DCS 1 800 at RX interference deviation of 400 kHz include:

Channel Type	Error Measurement Parameter	Error Rate for Specific Propagation Conditions
Channel Type	Error Measurement Parameter	TU50 (non-SFH)	TI5 (non-SFH)
FACCH/F	(FER)	6.1%	17.1%
TCH/FS	(FER)	5.1α%	10.2α%
- class Ib	(RBER)	0.45/α%	0.72/α%
- class II	(RBER)	8.9%	8.8%

More details can be found in Circular 30/2016/TT-BTTTT, effective from May 1, 2017.

- Thanh Lam -

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