24.1.7 V2X Sidelink Communication / Pre-configured authorisation / UE in RRC_CONNECTED on an E-UTRAN cell operating on the anchor carrier frequency provisioned for V2X configuration / Utilisation of the resources of (serving) cells/PLMNs / reception / RRC connection reconfiguration with v2x-CommRxPool in mobilityControlInfoV2X / handover

36.523-13GPPEvolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC)Part 1: Protocol conformance specificationRelease 17TSUser Equipment (UE) conformance specification

24.1.7.1 Test Purpose (TP)

(1)

with { UE being authorized for performing V2X sidelink Communication in PLMN1 and pre-configured with anchor carrier parameters for V2X configuration and with Radio parameters for when the UE is "not served by E-UTRAN", and, UE is in RRC_CONNECTED on Cell 1/f1/PLMN1 which is operating on the anchor carrier frequency as the one pre-configured in the UE/USIM and is broadcasting SystemInformationBlockType21}

ensure that {

when { UE receives RRCConnectionReconfiguration message which includes mobilityControlInfo (handover), and, v2x-CommRxPool is included in mobilityControlInfoV2X }

then { UE is able to receive V2X sidelink communication using the configured resources in by v2x-CommRxPool included in mobilityControlInfoV2X in Cell 2/f1/PLMN1}

}

24.1.7.2 Conformance requirements

References: The conformance requirements covered in the current TC are specified in: TS 36.331, clauses 5.3.5.4, 5.3.10.15a, 5.10.12, 5.10.13.1.

[TS 36.331, clause 5.3.5.4]

If the RRCConnectionReconfiguration message includes the mobilityControlInfo and the UE is able to comply with the configuration included in this message, the UE shall:

1> stop timer T310, if running;

1> stop timer T312, if running;

1> start timer T304 with the timer value set to t304, as included in the mobilityControlInfo;

1> stop timer T370, if running;

1> if the carrierFreq is included:

2> consider the target PCell to be one on the frequency indicated by the carrierFreq with a physical cell identity indicated by the targetPhysCellId;

1> else:

2> consider the target PCell to be one on the frequency of the source PCell with a physical cell identity indicated by the targetPhysCellId;

1> start synchronising to the DL of the target PCell;

NOTE 1: The UE should perform the handover as soon as possible following the reception of the RRC message triggering the handover, which could be before confirming successful reception (HARQ and ARQ) of this message.

…

1> if the RRCConnectionReconfiguration message includes the sl-V2X-ConfigDedicated or mobilityControlInfoV2X:

2> perform the V2X sidelink communication dedicated configuration procedure as specified in 5.3.10.15a;

1> set the content of RRCConnectionReconfigurationComplete message as follows:

2> if the UE has radio link failure or handover failure information available in VarRLF-Report and if the RPLMN is included in plmn-IdentityList stored in VarRLF-Report:

3> include rlf-InfoAvailable;

…

1> submit the RRCConnectionReconfigurationComplete message to lower layers for transmission;

1> if MAC successfully completes the random access procedure; or

1> if MAC indicates the successful reception of a PDCCH transmission addressed to C-RNTI and if rach-Skip is configured:

2> stop timer T304;

2> release ul-ConfigInfo, if configured;

…

2> if SystemInformationBlockType21 is broadcast by the target PCell; and the UE transmitted a SidelinkUEInformation message indicating a change of V2X sidelink communication related parameters relevant in target PCell (i.e. change of v2x-CommRxInterestedFreqList or v2x-CommTxResourceReq) during the last 1 second preceding reception of the RRCConnectionReconfiguration message including mobilityControlInfo:

3> initiate transmission of the SidelinkUEInformation message in accordance with 5.10.2.3;

2> the procedure ends;

[TS 36.331, clause 5.3.10.15a]

The UE shall:

1> if the RRCConnectionReconfiguration message includes the sl-V2X-ConfigDedicated:

2> if commTxResources is included and set to setup:

3> use the resources indicated by commTxResources for V2X sidelink communication transmission, as specified in 5.10.13;

3> perform CBR measurement on the transmission resource pool indicated in commTxResources for V2X sidelink communication transmission, as specified in 5.5.3;

2> else if commTxResources is included and set to release:

3> release the resources allocated for V2X sidelink communication transmission previously configured by commTxResources;

2> if v2x-InterFreqInfoList is included:

3> use the synchronization configuration and resource configuration parameters for V2X sidelink communication on frequencies included in v2x-InterFreqInfoList, as specified in 5.10.13;

3> perform CBR measurement on the transmission resource pool indicated in v2x-InterFreqInfoList for V2X sidelink communication transmission, as specified in 5.5.3;

1> if the RRCConnectionReconfiguration message includes the mobilityControlInfoV2X:

2> if v2x-CommRxPool is included:

3> use the resources indicated by v2x-CommRxPool for V2X sidelink communication reception, as specified in 5.10.12;

2> if v2x-CommTxPoolExceptional is included:

3> use the resources indicated by v2x-CommTxPoolExceptional for V2X sidelink communication transmission, as specified in 5.10.13;

3> perform CBR measurement on the transmission resource pool indicated by v2x-CommTxPoolExceptional for V2X sidelink communication transmission, as specified in 5.5.3;

[TS 36.331, clause 5.10.12]

A UE capable of V2X sidelink communication that is configured by upper layers to receive V2X sidelink communication shall:

1> if the conditions for sidelink operation as defined in 5.10.1d are met:

2> if in coverage on the frequency used for V2X sidelink communication, as defined in TS 36.304 [4, 11.4]:

3> if the frequency used to receive V2X sidelink communication is included in v2x-InterFreqInfoList within RRCConnectionReconfiguration or in v2x-InterFreqInfoList within SystemInformationBlockType21of the serving cell/Pcell, and v2x-CommRxPool is included in SL-V2X-InterFreqUE-Config within v2x-UE-ConfigList:

4> configure lower layers to monitor sidelink control information and the corresponding data using the pool of resources indicated in v2x-CommRxPool;

3> else:

4> if the cell chosen for V2X sidelink communication reception broadcasts SystemInformationBlockType21 including v2x-CommRxPool in sl-V2X-ConfigCommon or,

4> if the UE is configured with v2x-CommRxPool included in mobilityControlInfoV2X in RRCConnectionReconfiguration:

5> configure lower layers to monitor sidelink control information and the corresponding data using the pool of resources indicated in v2x-CommRxPool;

2> else (i.e. out of coverage on the frequency used for V2X sidelink communication, as defined in TS 36.304 [4, clause 11.4]):

3> if the frequency used to receive V2X sidelink communication is included in v2x-InterFreqInfoList within RRCConnectionReconfiguration or in v2x-InterFreqInfoList within SystemInformationBlockType21 of the serving cell/PCell, and v2x-CommRxPool is included in SL-V2X-InterFreqUE-Config within v2x-UE-ConfigList for the concerned frequency:

4> configure lower layers to monitor sidelink control information and the corresponding data using the pool of resources indicated in v2x-CommRxPool;

3> else:

4> configure lower layers to monitor sidelink control information and the corresponding data using the pool of resources that were preconfigured (i.e. v2x-CommRxPoolList in SL-V2X-Preconfiguration defined in 9.3);

[TS 36.331, clause 5.10.13.1]

A UE capable of V2X sidelink communication that is configured by upper layers to transmit V2X sidelink communication and has related data to be transmitted shall:

1> if the conditions for sidelink operation as defined in 5.10.1d are met:

2> if in coverage on the frequency used for V2X sidelink communication as defined in TS 36.304 [4, 11.4]; or

2> if the frequency used to transmit V2X sidelink communication is included in v2x-InterFreqInfoList in RRCConnectionReconfiguration or in v2x-InterFreqInfoList within SystemInformationBlockType21:

3> if the UE is in RRC_CONNECTED and uses the PCell or the frequency included in v2x-InterFreqInfoList in RRCConnectionReconfiguration for V2X sidelink communication:

4> if the UE is configured, by the current PCell with commTxResources set to scheduled:

5> if T310 or T311 is running; and if the PCell at which the UE detected physical layer problems or radio link failure broadcasts SystemInformationBlockType21 including v2x-CommTxPoolExceptional in sl-V2X-ConfigCommon, or v2x-CommTxPoolExceptional is included in v2x-InterFreqInfoList for the concerned frequency in SystemInformationBlockType21 or RRCConnectionReconfiguration; or

5> if T301 is running and the cell on which the UE initiated connection re-establishment broadcasts SystemInformationBlockType21 including v2x-CommTxPoolExceptional in sl-V2X-ConfigCommon, or v2x-CommTxPoolExceptional is included in v2x-InterFreqInfoList for the concerned frequency in SystemInformationBlockType21; or

5> if T304 is running and the UE is configured with v2x-CommTxPoolExceptional included in mobilityControlInfoV2X in RRCConnectionReconfiguration or in v2x-InterFreqInfoList for the concerned frequency in RRCConnectionReconfiguration:

6> configure lower layers to transmit the sidelink control information and the corresponding data based on random selection using the pool of resources indicated by v2x-CommTxPoolExceptional as defined in TS 36.321 [6];

5> else:

6> configure lower layers to request E-UTRAN to assign transmission resources for V2X sidelink communication;

4> else if the UE is configured with v2x-commTxPoolNormalDedicated or v2x-CommTxPoolNormal in the entry of v2x-InterFreqInfoList for the concerned frequency in sl-V2X-ConfigDedicated in RRCConnectionReconfiguration and the UE is configured to transmit non-P2X related V2X sidelink communication:

5> if a result of sensing on the resources configured in v2x-CommTxPoolNormalDedicated or v2x-CommTxPoolNormal in the entry of v2x-InterFreqInfoList for the concerned frequency in RRCConnectionReconfiguration is not available in accordance with TS 36.213 [23]:

6> if v2x-CommTxPoolExceptional is included in mobilityControlInfoV2X in RRCConnectionReconfiguration (i.e., handover case); or

6> if v2x-CommTxPoolExceptional is included in the entry of v2x-InterFreqInfoList for the concerned frequency in RRCConnectionReconfiguration; or

6> if the PCell broadcasts SystemInformationBlockType21 including v2x-CommTxPoolExceptional in sl-V2X-ConfigCommon or v2x-CommTxPoolExceptional in v2x-InterFreqInfoList for the concerned frequency:

7> configure lower layers to transmit the sidelink control information and the corresponding data based on random selection using the pool of resources indicated by v2x-CommTxPoolExceptional as defined in TS 36.321 [6];

5> else:

6> configure lower layers to transmit the sidelink control information and the corresponding data based on sensing (as defined in TS 36.321 [6] and TS 36.213 [23]) using one of the resource pools indicated by v2x-commTxPoolNormalDedicated or v2x-CommTxPoolNormal in the entry of v2x-InterFreqInfoList for the concerned frequency, which is selected according to 5.10.13.2;

4> else if the UE is configured with v2x-commTxPoolNormalDedicated in sl-P2X-ConfigDedicated or p2x-CommTxPoolNormal in the entry of v2x-InterFreqInfoList for the concerned frequency in RRCConnectionReconfiguration and the UE is configured to transmit P2X related V2X sidelink communication:

5> select a resource pool according to 5.10.13.2;

5> transmit P2X related V2X sidelink communication according to 5.10.13.1a;

3> else:

4> if the cell chosen for V2X sidelink communication transmission broadcasts SystemInformationBlockType21:

5> if the UE is configured to transmit non-P2X related V2X sidelink communication, and if SystemInformationBlockType21 includes v2x-CommTxPoolNormalCommon or v2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency in sl-V2X-ConfigCommon and a result of sensing on the resources configured in v2x-CommTxPoolNormalCommon or v2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency is available in accordance with TS 36.213 [23]:

6> configure lower layers to transmit the sidelink control information and the corresponding data based on sensing (as defined in TS 36.321 [6] and TS 36.213 [23]) using one of the resource pools indicated by v2x-CommTxPoolNormalCommon or v2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency, which is selected according to 5.10.13.2;

5> if the UE is configured to transmit P2X related V2X sidelink communication, and if SystemInformationBlockType21 includes p2x-CommTxPoolNormalCommon or p2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency in sl-V2X-ConfigCommon:

6> select a resource pool from p2x-CommTxPoolNormalCommon or p2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency according to 5.10.13.2 by ignoring zoneConfig in SystemInformationBlockType21;

6> transmit P2X related V2X sidelink communication according to 5.10.13.1a;

5> else if SystemInformationBlockType21 includes v2x-CommTxPoolExceptional in sl-V2X-ConfigCommon or v2x-CommTxPoolExceptional in v2x-InterFreqInfoList for the concerned frequency:

6> from the moment the UE initiates connection establishment until receiving an RRCConnectionReconfiguration including sl-V2X-ConfigDedicated , or until receiving an RRCConnectionRelease or an RRCConnectionReject; or

6> if the UE is in RRC_IDLE and a result of sensing on the resources configured in v2x-CommTxPoolNormalCommon or v2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency in Systeminformationblocktype21 is not available in accordance with TS 36.213 [23]:

7> configure lower layers to transmit the sidelink control information and the corresponding data based on random selection (as defined in TS 36.321 [6]) using the pool of resources indicated in v2x-CommTxPoolExceptional;

2> else:

3> configure lower layers to transmit the sidelink control information and the corresponding data based on sensing (as defined in TS 36.321 [6] and TS 36.213 [23]) using one of the resource pools indicated by v2x-CommTxPoolList in SL-V2X-Preconfiguration in case of non-P2X related V2X sidelink communication, which is selected according to 5.10.13.2, or using one of the resource pools indicated by p2x-CommTxPoolList in SL-V2X-Preconfiguration in case of P2X related V2X sidelink communication, which is selected according to 5.10.13.2, and in accordance with the timing of the selected reference as defined in 5.10.8;

The UE capable of non-P2X related V2X sidelink communication that is configured by upper layers to transmit V2X sidelink communication shall perform sensing on all pools of resources which may be used for transmission of the sidelink control information and the corresponding data. The pools of resources are indicated by SL-V2X-Preconfiguration, v2x-CommTxPoolNormalCommon, v2x-CommTxPoolNormalDedicated in sl-V2X-ConfigDedicated, or v2x-CommTxPoolNormal in v2x-InterFreqInfoList for the concerned frequency, as configured above.

24.1.7.3 Test description

24.1.7.3.1 Pre-test conditions

System Simulator:

SS-NW

– 2 cells with parameters defined in Table 24.1.7.3.1-1.

Table 24.1.7.3.1-1: Cell parameters values

Cell

Frequency

PLMN

1

f1

HPLMN (PLMN1)

2

f1

PLMN1

Note 1: The frequency f1 shall be the anchor frequency pre-configured in the UE/USIM.

Note 2: A single frequency has been chosen to allow the TC to be applicable even for UEs supporting a single band which comprises a single frequency.

– System information combination 29 as defined in TS 36.508 [18] clause 4.4.3.1 is used in all active cells.

– SystemInformationBlockType21 for Cell 1 using parameters as specified in Table 24.1.7.3.3-1.

SS-UE

– SS-UE1. As defined in TS 36.508 [18], configured for and operating as V2X Sidelink Communication transmitting device on the resources which the UE is expected to use for reception, as defined in TS 36.508 [18] clause 6.2.3.5.

UE:

– V2X sidelink related configuration

– The UE is authorised to perform V2X Sidelink Communication.

– The UE is equipped with below information in UE or in a USIM containing default values (as per TS 36.508 [18]) except for those listed in Table 24.1.7.3.1-2.

Table 24.1.7.3.1-2: UE/ USIM configuration

USIM field

Priority

Value

Access Technology Identifier

EFUST

Service n°119 (V2X) supported

EFVST

As per TS 36.508 [18] clause 4.9.3.4

EFV2X_CONFIG

SL-V2X-Preconfiguration field as defined in Table 24.1.7.3.3-4

Preamble:

– The UE is in State Generic Radio Bearer Establishment, UE Test Mode Activated (State 3A) on Cell 1 according to TS 36.508 [18].

24.1.7.3.2 Test procedure sequence

Table 24.1.7.3.2-0 illustrates the downlink power levels and other changing parameters to be applied for the cells at various time instants of the test execution. Row marked "T0" denotes the initial conditions after preamble, while columns marked "T1" … "Tn" are to be applied subsequently. The exact instants on which these values shall be applied are described elsewhere in the present clause.

Table 24.1.7.3.2-0: Time instances of cell power level and parameter changes

Parameter

Unit

Cell 1

Cell 2

T0

Cell-specific RS EPRE

dBm/15kHz

-85

off

T1

Cell-specific RS EPRE

dBm/15kHz

-85

-79

Table 24.1.7.3.2-1: Main behaviour

St

Procedure

Message Sequence

TP

Verdict

U – S

Message

EXCEPTION: The following events unless otherwise stated are to be observed in Cell 1.

1

Close UE Test Loop with bit E0 in UE test loop mode E LB setup IE set to zero (receive mode).

<–

CLOSE UE TEST LOOP

–

–

2

The UE responds with CLOSE UE TEST LOOP COMPLETE.

–>

CLOSE UE TEST LOOP COMPLETE

–

–

3

UE transmit a SidelinkUEInformation message requesting resources for monitoring of V2X sidelink communication in RRC_CONNECTED in the next 5 sec.

–>

SidelinkUEInformation

–

–

4

The SS configures:

SS-NW

Cell 1 and Cell 2 parameters according to the row "T1" in table 24.1.7.3.2-0 in order to simulate needs for handover.

–

–

–

–

5

SS-NW transmits an RRCConnectionReconfiguration message including mobilityControlInfo (handover), and v2x-CommRxPool is included in mobilityControlInfoV2X.

<–

RRCConnectionReconfiguration

–

–

EXCEPTION: Step 6 is repeated 3 time and runs in parallel with behaviour in table 24.1.7.3.2-2

–

–

–

–

6

SS-UE1 transmits V2X sidelink communication over the PC5 interface in accordance with the resources indicated in the RRCConnectionReconfiguration.

NOTE: This step verifies TP1 – it is expected that the UE shall receive these packets – if they were received is checked in step 8.

<–

STCH PDCP SDU packet

–

–

7

The SS-NW transmits an UE TEST LOOP PROSE PACKET COUNTER REQUEST message.

<–

UE TEST LOOP PROSE PACKET COUNTER REQUEST

–

–

8

Check: Does the UE respond with UE TEST LOOP PROSE PACKET COUNTER RESPONSE with STCH_PACKET_COUNTER=3?

–>

UE TEST LOOP PROSE PACKET COUNTER RESPONSE

1

P

9

The SS transmits an OPEN UE TEST LOOP message to exit the UE test loop mode.

<–

OPEN UE TEST LOOP

–

–

10

The UE transmits an OPEN UE TEST LOOP COMPLETE message.

–>

OPEN UE TEST LOOP COMPLETE

–

–

11

The SS transmits a DEACTIVATE TEST MODE message to de-activate UE radio bearer test mode procedure.

<–

DEACTIVATE TEST MODE

–

–

12

The UE transmits a DEACTIVATE TEST MODE COMPLETE message.

–>

DEACTIVATE TEST MODE COMPLETE

–

–

Table 24.1.7.3.2-2: Parallel behaviour

St

Procedure

Message Sequence

TP

Verdict

U – S

Message

1

The UE submits RRCConnectionReconfigurationComplete message.

–>

RRCConnectionReconfigurationComplete

–

–

24.1.7.3.3 Specific message contents

Table 24.1.7.3.3-1: SystemInformationBlockType21 for Cell 1 (Preamble)

Derivation Path: 36.508 [18], table 4.4.3.3-19

Information Element

Value/remark

Comment

Condition

SystemInformationBlockType21-r14 ::= SEQUENCE {

sl-V2X-ConfigCommon-r14 SEQUENCE {

v2x-InterFreqInfoList-r14 SEQUENCE {

SL-InterFreqInfoV2X-r14[1] SEQUENCE {

v2x-CommCarrierFreq-r14

f5 in TS 36.508 [18] clause 6.2.3.5

v2x-UE-ConfigList-r14 SEQUENCE {

v2x-CommRxPool-r14 SEQUENCE (SIZE (1..maxSL-V2X-RxPool-r14)) OF SL-CommResourcePoolV2X-r14 {

SL-CommResourcePoolV2X-r14[1]

SL-CommResourcePoolV2X-r14-DEFAULT using conditions BITMAP_1

}

v2x-CommTxPoolNormal-r14

Not Present

}

}

}

}

}

Note: V2X SideLink communication supported but no resources set for transmission.

Table 24.1.7.3.3-2: RRCConnectionReconfiguration (V2X) (step 5, Table 24.1.7.3.2-1)

Derivation Path: 36.508 [18], table 4.6.1-8B

Information Element

Value/remark

Comment

Condition

RRCConnectionReconfiguration ::= SEQUENCE {

criticalExtensions CHOICE {

c1 CHOICE {

rrcConnectionReconfiguration-r8 SEQUENCE {

mobilityControlInfo

MobilityControlInfo-HO-V2X

}

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

nonCriticalExtension SEQUENCE {

sl-V2X-ConfigDedicated-r14

Not present

}

}

}

}

}

}

}

}

}

}

Table 24.1.7.3.3-3: MobilityControlInfo-HO-V2X (Table 24.1.7.3.3-2)

Derivation Path: 36.508 [18], table 4.6.5-1 with condition HO-V2X

Table 24.1.7.3.3-4: SL-V2X-Preconfiguration

Derivation Path: 36.508 [18], table 4.10.1.1-1

Information Element

Value/remark

Comment

Condition

SL-V2X-Preconfiguration-r14 ::= SEQUENCE {

anchorCarrierFreqList-r14 SEQUENCE (SIZE (1..maxFreq)) OF SEQUENCE {

1 entry

ARFCN-ValueEUTRA-r9[1]

f1 in TS 36.508 [18] clause 6.2.3.1

}

}