9.2.8 Served Cell Information

36.4233GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Release 17TSX2 Application Protocol (X2AP)

This IE contains cell configuration information of a cell that a neighbour eNB may need for the X2 AP interface.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

PCI

M

INTEGER (0..503, …)

Physical Cell ID

Cell ID

M

ECGI

9.2.14

TAC

M

OCTET STRING(2)

Tracking Area Code

Broadcast PLMNs

1..<maxnoofBPLMNs>

Broadcast PLMNs in SIB1 associated to the E-UTRA Cell Identity in the Cell ID IE.

>PLMN Identity

M

9.2.4

CHOICE EUTRA-Mode-Info

M

>FDD

>>FDD Info

1

>>>UL EARFCN

M

EARFCN

9.2.26

Corresponds to NUL in TS 36.104 [16] for E-UTRA operating bands for which it is defined; ignored for E-UTRA operating bands for which NUL is not defined

>>>DL EARFCN

M

EARFCN

9.2.26

Corresponds to NDL in TS 36.104 [16]

>>>UL Transmission Bandwidth

M

Transmission Bandwidth

9.2.27

Same as DL Transmission Bandwidth in this release; ignored in case UL EARFCN value is ignored

>>>DL Transmission Bandwidth

M

Transmission Bandwidth

9.2.27

>>>UL EARFCN Extension

O

EARFCN Extension
9.2.65

If this IE is present, the value signalled in the UL EARFCN IE is ignored.

YES

reject

>>>DL EARFCN Extension

O

EARFCN Extension
9.2.65

If this IE is present, the value signalled in the DL EARFCN IE is ignored.

YES

reject

>>>Offset of NB-IoT Channel Number to DL EARFCN

O

Offset of NB-IoT Channel Number to EARFCN

9.2.94

Corresponds to MDL in TS 36.104 [16]

YES

reject

>>>Offset of NB-IoT Channel Number to UL EARFCN

O

Offset of NB-IoT Channel Number to EARFCN

9.2.94

Corresponds to MUL in TS 36.104 [16]

YES

reject

>>>NRS-NSSS-PowerOffset

O

ENUMERATED (-3, 0, 3, …)

NRS to NSSS power ratio,

as defined in TS6.213 [11].

YES

Ignore

>>>NSSS-NumOccasionDifferentPrecoder

O

ENUMERATED (2, 4, 8, …)

The number of consecutive NSSS occasions that use different precoders for NSSS transmission, as defined in TS6.213 [11].

YES

ignore

>TDD

>>TDD Info

1

>>>EARFCN

M

9.2.26

Corresponds to NDL/NUL in TS 36.104 [16]

>>>Transmission Bandwidth

M

Transmission Bandwidth

9.2.27

>>>Subframe Assignment

M

ENUMERATED(sa0, sa1, sa2, sa3, sa4, sa5, sa6,…)

Uplink-downlink subframe configuration information defined in TS 36.211 [10].

In NB-IOT, sa0 and sa6 are not applicable.

>>>Special Subframe Info

1

Special subframe configuration information defined in TS 36.211 [10]

>>>>Special Subframe Patterns

M

ENUMERATED(ssp0, ssp1, ssp2, ssp3, ssp4, ssp5, ssp6, ssp7, ssp8, …)

>>>>Cyclic Prefix DL

M

ENUMERATED(Normal, Extended,…)

>>>>Cyclic Prefix UL

M

ENUMERATED(Normal, Extended,…)

>>>Additional Special Subframe Info

O

Special subframe configuration information defined in TS 36.211 [10]. Only for newly defined configuration of special subframe from Release 11.

YES

ignore

>>>>Additional Special Subframe Patterns

M

ENUMERATED(ssp0, ssp1, ssp2, ssp3, ssp4, ssp5, ssp6, ssp7, ssp8, ssp9, …)

>>>>Cyclic Prefix DL

M

ENUMERATED(Normal, Extended,…)

>>>>Cyclic Prefix UL

M

ENUMERATED(Normal, Extended,…)

>>>EARFCN Extension

O

9.2.65

If this IE is present, the value signalled in the EARFCN IE is ignored.

YES

reject

>>>Additional Special Subframe Extension Info

O

Special subframe configuration information defined in TS 36.211 [10]. Only for newly defined configuration of special subframe from Release 14.

YES

ignore

>>>>Additional Special Subframe Patterns Extension

M

ENUMERATED(ssp10, …)

>>>>Cyclic Prefix DL

M

ENUMERATED(Normal, Extended,…)

>>>>Cyclic Prefix UL

M

ENUMERATED(Normal, Extended,…)

>>>Offset of NB-IoT Channel Number to DL EARFCN

O

Offset of NB-IoT Channel Number to EARFCN

9.2.94

Corresponds to MDL in TS 36.104 [16]

YES

reject

>>>NB-IoT UL DL Alignment Offset

O

NB-IoT UL DL Alignment Offset

9.2.144

Corresponds to the TDD-UL-DL-AlignmentOffset-NB in TS 36.331 [9].

YES

reject

Number of Antenna Ports

O

9.2.43

YES

ignore

PRACH Configuration

O

PRACH Configuration

9.2.50

YES

ignore

MBSFN Subframe Info

0..<maxnoofMBSFN>

MBSFN subframe defined in TS 36.331 [9]

GLOBAL

ignore

>Radioframe Allocation Period

M

ENUMERATED(n1, n2, n4, n8, n16, n32, …)

>Radioframe Allocation Offset

M

INTEGER (0..7, …)

>Subframe Allocation

M

9.2.51

CSG ID

O

9.2.53

YES

ignore

MBMS Service Area Identity List

0..<maxnoofMBMSServiceAreaIdentities >

Supported MBMS Service Area Identities in the cell

GLOBAL

ignore

>MBMS Service Area Identity

OCTET STRING(2)

MBMS Service Area Identities as defined in TS 23.003 [29]

MultibandInfoList

O

9.2.60

YES

ignore

FreqBandIndicatorPriority

O

ENUMERATED (not-broadcasted, broadcasted, …)

This IE indicates that the eNodeB supports FreqBandIndicationPriority, and whether

FreqBandIndicatorPriority is broadcasted in SIB 1 (see TS 36.331 [9])

YES

ignore

BandwidthReducedSI

O

ENUMERATED (scheduled, …)

This IE indicates that the SystemInformationBlockType1-BR is scheduled in the cell (see TS 36.331 [9])

YES

ignore

Protected E-UTRA Resource Indication

O

9.2.125

This IE indicates which E-UTRA control/reference signal resources are protected and are not subject to E-UTRA – NR Cell Resource Coordination.

YES

ignore

Broadcast PLMN Identity Info List E-UTRA

0..<maxnoofBPLMNs>

This IE corresponds to the cellAccessRelatedInfo IE in SIB1 as specified in TS 36.331 [9]. All PLMN Identities and associated information contained in the cellAccessRelatedInfo IE are included and provided in the same order as broadcast in SIB1.

YES

ignore

>Broadcast PLMNs

1..<maxnoof BPLMNs>

Broadcast PLMN IDs in SIB1 associated to the E-UTRA Cell Identity IE.

>>PLMN Identity

M

9.2.4

>TAC

M

OCTET STRING(2)

>E-UTRA Cell Identity

M

BIT STRING (28)

NPRACH Configuration

O

NPRACH Configuration

9.2.170

YES

ignore

SFN Offset

O

9.2.175

YES

ignore

Range bound

Explanation

maxnoofBPLMNs

Maximum no. of Broadcast PLMN Ids. Value is 6.

maxnoofMBSFN

Maximum no. of MBSFN frame allocation with different offset. Value is 8.

maxnoofMBMSServiceAreaIdentities

Maximum no. of MBMS Service Area Identities. Value is 256.