Multi-path error limits of GSM 1 800 at RX noise level in Vietnam promulgated

01:18, 11/07/2024

This content is detailed in Circular 30/2016/TT-BTTTT stipulating the National technical regulation on GSM mobile communication base station equipment.

The error limits for multiple path interference of DCS 1800 at RX noise levels are specified in Circular 30/2016/TT-BTTTT as follows:

Channel Type	Error Measurement Parameter	Error Rate for specified propagation conditions
		TU50 (no SFH)	TI5 (no SFH)
FACCH/F	(FER)	3.4 %	9.5 %
E-TCH/F43.2 NT	(BLER)	10 %	10 %
E-TCH/F32.0 T	(BER)	0.1 %	0.1 %
E-TCH/F28.8 T	(BER)	0.1 %	0.1 %
E-TCH/F28.8 NT	(BLER)	10 %	10 %
TCH/FS	(FER)	3.0α %	6.0α %
- class lb	(RBER)	0.25/α %	0.40/α %
- class II	(RBER)	8.1 %	8.0 %
PDTCH/MCS-5 to 6	(BLER)	10 %	10 %
PDTCH/MCS-7	(BLER)	10 %	10 %
PDTCH/MCS-8	(BLER)	30 %	30 %
PDTCH/MCS-9	(BLER)	30 %	30 %
PDTCH/UAS-7 to 9	(BLER)	10 %	10 %
PDTCH/UAS-10	(BLER)	10 %	10 %
PDTCH/UAS-11	(BLER)	30 %	10 %
PDTCH/UBS-5 to 10	(BLER)	10 %	10 %
PDTCH/UBS-11	(BLER)	10 %	10 %
PDTCH/UBS-12	(BLER)	10 %	10 %

Details are available at Circular 30/2016/TT-BTTTT which took effect from May 1, 2017.

- Thanh Lam -

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