rsl.adoc: update documentation for RSL_IE_OSMO_REP_ACCH_CAP
The recently added IE (RSL_IE_OSMO_REP_ACCH_CAP) has been extended with more options, update the documentation as well. Change-Id: I3d95da588e863185bb62e92898c285d52bce9af4 Related: SYS#5114, OS#4796, OS#4794, OS#4795
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@ -958,10 +958,26 @@ transmissions of the RTP flow.
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==== RSL_IE_OSMO_REP_ACCH_CAP
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==== RSL_IE_OSMO_REP_ACCH_CAP
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This is a one byte length TLV IE that is used to enable or disable repeated ACCH
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This is a one byte length TLV IE that is used to enable or disable repeated ACCH
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capabilities on the BTS side during Channel Activation and Mode Modify. If the
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capabilities on the BTS side during Channel Activation and Mode Modify.
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IE is present and its value byte is set to 0x01, then the BTS will enable
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repeated ACCH capabilities, otherwise the channel is activated without repeated
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The IE contains a bitfield in the lower nibble in order to set the ACCH repetition
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ACCH capabilities present.
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policy for each of the two channel types individually. Depending on the state of the
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bits (see table below) the ACCH repetition mode is either enabled or disabled completely.
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The lower 3 bit of the higher nibble are used to signal an RXQUAL threshold to set the
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BER on which UL-SACCH or DL-FACCH repetition shall be turned on. If the field is set
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to 0, then UL-SACCH and DL-FACCH will be always on. DL-FACCH will also be turned on
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automatically as soon as the MS requests a DL-SACCH repetition.
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If the IE is not present, then ACCH repetition completely is disabled.
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[options="header"]
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|===
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| *bit* | 7 | 6 - 4 | 3 | 2 | 1 | 0
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| byte at offset 0 | 0 | RXQUAL | UL-SACCH | DL-SACCH | DL-FACCH/ALL | DL-FACCH/CMD
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|===
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(Bits 7 is reserved for future use and must be set to zero.)
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=== A-bis RSL Initialization / BTS bring-up
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=== A-bis RSL Initialization / BTS bring-up
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