EarlyUL-SyncConfig (EarlyUL-SyncConfig-r18)
EarlyUL-SyncConfig-r18 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.
Definition
The IE EarlyUL-SyncConfig is used to configure random access resources for the early UL synchronization procedure.
EarlyUL-SyncConfig-r18 ::= SEQUENCE {
frequencyInfoUL-r18 FrequencyInfoUL,
rach-ConfigGeneric-r18 RACH-ConfigGeneric,
bwp-GenericParameters-r18 BWP,
ssb-PerRACH-Occasion-r18 ENUMERATED {oneEighth, oneFourth, oneHalf, one, two, four, eight, sixteen} OPTIONAL, -- Need R
prach-RootSequenceIndex-r18 CHOICE {
l839 INTEGER (0..837),
l139 INTEGER (0..137)
} OPTIONAL, -- Need R
ltm-PRACH-SubcarrierSpacing-r18 SubcarrierSpacing OPTIONAL, -- Cond L139
n-TimingAdvanceOffset-r18 ENUMERATED { n0, n25600, n39936, spare1 } OPTIONAL, -- Need R
...,
[[
ltm-tdd-UL-DL-ConfigurationCommon-r18 TDD-UL-DL-ConfigCommon OPTIONAL, -- Cond TDD
ltm-restrictedSetConfig-r18 ENUMERATED {unrestrictedSet, restrictedSetTypeA, restrictedSetTypeB} OPTIONAL -- Need R
]],
[[
ltm-TimeAlignmentTimer-r19 TimeAlignmentTimer OPTIONAL, -- Need R
ltm-TimeAlignmentTimerTag2-r19 TimeAlignmentTimer OPTIONAL -- Cond 2TA
]]
}Fields (13)
| Field | Description |
|---|---|
| frequencyInfoUL-r18 FrequencyInfoUL | |
| rach-ConfigGeneric-r18 RACH-ConfigGeneric | |
| bwp-GenericParameters-r18 BWP | |
| ssb-PerRACH-Occasion-r18 ENUMERATED {oneEighth, oneFourth, oneHalf, one, two, four, eight, sixteen} · OPTIONAL Need R | |
| prach-RootSequenceIndex-r18 CHOICE { · OPTIONAL Need R | |
| l839 INTEGER (0..837) | |
| l139 INTEGER (0..137) | |
| ltm-PRACH-SubcarrierSpacing-r18 SubcarrierSpacing · OPTIONAL Cond L139 since v18.1.0 | |
| n-TimingAdvanceOffset-r18 ENUMERATED { n0, n25600, n39936, spare1 } · OPTIONAL Need R | |
| ltm-tdd-UL-DL-ConfigurationCommon-r18 TDD-UL-DL-ConfigCommon · OPTIONAL Cond TDD since v18.3.0 | |
| ltm-restrictedSetConfig-r18 ENUMERATED {unrestrictedSet, restrictedSetTypeA, restrictedSetTypeB} · OPTIONAL Need R since v18.3.0 | |
| ltm-TimeAlignmentTimer-r19 TimeAlignmentTimer · OPTIONAL Need R since v19.0.0 | |
| ltm-TimeAlignmentTimerTag2-r19 TimeAlignmentTimer · OPTIONAL Cond 2TA since v19.0.0 |