Ericsson Radio Systems AB PKRC1311004-1 Manual De Usuario

Discontinuous Transmission

Discontinuous Transmission

"Discontinuous Transmission" is a mechanism which allows the radio
transmitter to be switched off during speech or data (non-transparent)
pauses.

The following benefits are achieved:

•

Power is saved in the MS uplink

•

The overall interference level on the air is reduced

•

Reduced RBS power consumption downlink

The RBS supports downlink DTX (Discontinuous Transmission) as well
as uplink DTX.

24.1

References

/GSM:04.06/

GSM 04.06 (phase 2) version 4.1.0

/GSM:04.21/

GSM 04.21 (phase 2) version 4.2.1

/GSM:05.02/

GSM 05.02 (phase 2) version 4.3.0

/GSM:05.08/

GSM 05.08 (phase 2) version 4.6.0

/GSM:06.12/

GSM 06.12 (phase 2) version 4.0.1

/GSM:06.22/

GSM 06.22 (phase 2) version 4.0.0

/GSM:06.31/

GSM 06.31 (phase 2) version 4.0.0

/GSM:06.32/

GSM 06.32 (phase 2) version 4.0.1

/GSM:06.41/

GSM 06.41 (phase 2) version 4.0.0

/GSM:06.42/

GSM 06.42 (phase 2) version 4.0.0

/GSM:06.81/

GSM 06.81 (phase 2) (t.b.d)

/GSM:08.20/

GSM 08.20 (phase 2) version 4.1.0

Whenever a reference is made to a function described in another chapter,
please refer to the table of contents to find the appropriate chapter.

24.2

Functions

24.2.1

DTX Downlink

The DTX function is described in:

/GSM:06.12/

Comfort Noise Aspects

/GSM:06.22/

Comfort Noise Aspects (half rate speech)

/GSM:06.31/

Overall DTX Operation (full rate speech)

/GSM:06.32/

Voice Activity Detection (full rate speech)

/GSM:06.41/

Overall DTX Operation (half rate speech)

EN/LZT 720 0008

R1A

2001-06-26

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