11 Performance requirement (ProSe Direct Discovery)

36.1013GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Release 18TSUser Equipment (UE) radio transmission and reception

This clause contains the performance requirements for the Sidelink physical channels specified for ProSe Direct Discovery.

11.1 General

11.1.1 Applicability of requirements

The requirements in this clause are applicable to UEs that support ProSe Direct Discovery. The test case applicability is in according to table 11.1.1-1 depending on set of supported UE capabilities.

Table 11.1.1-1: ProSe Direct Discovery test applicability

FDD/TDD

Tests / clause

Applicable if UE indicates at least the following capability

FDD

11.2.1

ProSe Direct Discovery without support of disc-SLSS-r12

11.2.3

ProSe Direct Discovery with support of discPeriodicSLSS-r13 and ProSe Direct Communication

11.3.1

ProSe Direct Discovery

11.4.1

ProSe Direct Discovery with support of disc-SLSS-r12

11.5.1

ProSe Direct Discovery

TDD

11.2.2

ProSe Direct Discovery

11.3.2

ProSe Direct Discovery

11.5.2

ProSe Direct Discovery

For maximum Sidelink Processes test specified in clause 11.5, the UE is required to only meet the test for the maximum channel bandwidth over the ProSe operating bands supported by the UE. Test case 11.2.3 for 5MHz channel bandwidth is applicable to UEs that support ProSe Direct Communication on Band 31 only.

11.1.2 Reference DRX configuration

Table 11.1.2-1: Reference DRX configuration

Parameter

Value

Comments

onDurationTimer

psf1

drx-InactivityTimer

psf1

drx-RetransmissionTimer

psf1

longDRX-CycleStartOffset

sf2560, 0

shortDRX

disabled

NOTE 1: For further information see clause 6.3.2 in TS 36.331.

11.2 Demodulation of PSDCH (single link performance)

The purpose of the requirements in this subclause is to verify the PSDCH demodulation performance with a single active PSDCH link under different operating scenarios and channel conditions.

The active cell(s), when present, are specified in the test parameters specific to the test.

11.2.1 FDD (in-coverage)

The minimum requirements are specified in Table 11.2.1-2 with the test parameters specified in Table 11.2.1-1. The receiver UE under test is associated with Cell 1.

Table 11.2.1-1: Test Parameters

Parameter

Unit

Test 1

Discovery resource pool configuration

As specified in Table A.7.1.1-1

(Configuration #1-FDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port (NOTE 3)

dBm/15kHz

-98

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern (NOTE 2)

OP.1 FDD

Propagation channel

AWGN

Antenna configuration

1×2

RSRP

dBm/15kHz

-92

Active Sidelink UE(s)

Sidelink UE 1

Sidelink UE 1

Sidelink Transmissions

PSDCH

PSDCH RB allocation

PRB pairs {2i..2i+1}, where i is chosen randomly uniformly from [0,11] in each discovery period.

Time offset (NOTE 4)

μs

+1

Frequency offset (NOTE 5)

Hz

+200

Propagation Channel

EPA5

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: Applicable to both DL channel and ProSe Direct Discovery Subframes on UL.

NOTE 4: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 5: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.2.1-2: Minimum performance

Test num.

Sidelink UE

Band-width

Reference channel

Reference value

BLER of PSDCH (%)

SNR (dB)

1

1

5 MHz

D.1 FDD

30

4.6

11.2.2 TDD (in-coverage)

The minimum requirements are specified in Table 11.2.2-2 with the test parameters specified in Table 11.2.2-1. The receiver UE under test is associated with Cell 1.

Table 11.2.2-1: Test Parameters

Parameter

Unit

Test 1

Discovery resource pool configuration

As specified in Table A.7.1.2-1

(Configuration #1-TDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port (NOTE 5)

dBm/15kHz

-98

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Uplink downlink configuration (NOTE 3)

0

Special subframe configuration (NOTE 4)

4

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern NOTE 2

OP.1 TDD

Propagation channel

AWGN

Antenna configuration

1×2

RSRP

dBm/15kHz

-92

Active Sidelink UE(s)

Sidelink UE 1

Sidelink UE 1

Sidelink Transmissions

PSDCH

RB allocation

PRB pairs {2i..2i+1}, where i is chosen randomly uniformly from [0,11] in each discovery period.

Time offset (NOTE 6)

μs

+1

Frequency offset (NOTE 7)

Hz

+200

Propagation Channel

EPA5

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: As specified in Table 4.2-2 in TS 36.211 [4].

NOTE 4: As specified in Table 4.2-1 in TS 36.211 [4].

NOTE 5: Applicable to both DL subframes and UL subframes configured for ProSe Direct Discovery.

NOTE 6: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 7: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.2.2-2: Minimum performance

Test num.

Sidelink UE

Band-width

Reference channel

Reference value

BLER of PSDCH (%)

SNR (dB)

1

1

5 MHz

D.1 TDD

30

4.6

11.2.3 FDD (out-of-coverage)

The minimum requirements are specified in Table 11.2.3-2 with the test parameters specified in Table 11.2.3-1. The receiver UE under test is out of network coverage.

Table 11.2.3-1: Test Parameters

Parameter

Unit

Test 1

Resource pool configuration

As specified in Table A.7.1.1-4

(Configuration #4-FDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port

dBm/15kHz

-98

Active cell(s)

None

Active Sidelink UE(s)

Sidelink UEs 1, 2

Sidelink UE 1

Sidelink Transmissions

SLSS + PSBCH

networkControlledSyncTx

ON

slssid

30

inCoverage (in MIB-SL)

TRUE

syncOffsetIndicator

Set same as syncOffsetIndicator1 in Configuration #4-FDD

Propagation channel

EPA5

Antenna configuration

1×2 Low

at antenna port

dBm/15kHz

-82

Sidelink UE 2

Sidelink Transmissions

PSDCH

PSDCH RB allocation

PRB pairs {2i..2i+1}, where i is chosen randomly uniformly from [0,11] (for 5MHz) or [0,24] (for 10MHz) in each discovery period.

Time offset (Note 1)

μs

+1

Frequency offset (Note 2)

Hz

+200

Propagation Channel

EPA5

Antenna configuration

1×2 Low

NOTE 1: Time offset of Sidelink UE 2 receive signal timing with respect to Sidelink UE 1 receive signal timing at the tested UE.

NOTE 2: Frequency offset of Sidelink UE 2 with respect to Sidelink UE 1 transmit frequency.

Table 11.2.3-2: Minimum performance

Test number

Sidelink UE

Band-width

Reference channel

Reference value

BLER of PSDCH (%)

SNR (dB)

1

1

5 MHz

D.1 FDD

30

4.6

10 MHz

11.3 Power imbalance performance with two links

The purpose of this test is to check the demodulation performance when receiving PSDCH transmissions from two Sidelink UEs with power imbalance in one subframe.

11.3.1 FDD

The minimum requirements are specified in Table 11.3.1-2 with the test parameters specified in Table 11.3.1-1. The receiver UE under test is associated with Cell 1. The Sidelink UE 1 and 2 are synchronized to Cell 1 and transmit PSDCH on adjacent RBs.

Table 11.3.1-1: Test Parameters

Parameter

Unit

Test 1

Discovery resource pool configuration

As specified in Table A.7.1.1-1

(Configuration #1-FDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port (NOTE 3)

dBm/15kHz

-98

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern (NOTE 2)

OP.1 FDD

Propagation channel

AWGN

Antenna configuration

1×2

RSRP

dBm/15kHz

-92

Active Sidelink UE(s)

Sidelink UE 1, Sidelink UE 2

Sidelink UE 1

Sidelink Transmissions

PSDCH

PSDCH RB allocation

PRB pairs {4..5}

Time offset (NOTE 3)

μs

0

Frequency offset (NOTE 4)

Hz

0

Propagation Channel

AWGN

Antenna configuration

1×2 Low

Sidelink UE 2

Sidelink Transmissions

PSDCH

PSDCH RB allocation

PRB pairs {6..7}

Time offset (w.r.t. Cell 1 DL)

μs

0

Frequency offset (w.r.t. Cell 1 UL)

Hz

0

Propagation Channel

AWGN

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: Applicable to both DL channel and ProSe Direct Discovery Subframes on UL.

NOTE 4: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 5: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.3.1-2: Minimum performance

Test num.

Band-width

Sidelink UE

Reference channel

Reference value

BLER of PSDCH (%)

SNR (dB)

1

5 MHz

1

D.1 FDD

(NOTE 1)

24.3

2

D.1 FDD

30

6.9

NOTE 1: There is no BLER requirement for Sidelink UE 1.

11.3.2 TDD

The minimum requirements are specified in Table 11.3.2-2 with the test parameters specified in Table 11.3.2-1. The receiver UE under test is associated with Cell 1. The Sidelink UE 1 and 2 are synchronized to Cell 1 and transmit PSDCH on adjacent RBs.

Table 11.3.2-1: Test Parameters

Parameter

Unit

Test 1

Discovery resource pool configuration

As specified in Table A.7.1.2-1

(Configuration #1-TDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port (NOTE 5)

dBm/15kHz

-98

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Uplink downlink configuration (NOTE 3)

0

Special subframe configuration (NOTE 4)

4

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern NOTE 2

OP.1 TDD

Propagation channel

AWGN

Antenna configuration

1×2

RSRP

dBm/15kHz

-92

Active Sidelink UE(s)

Sidelink UE 1, Sidelink UE 2

Sidelink UE 1

Sidelink Transmissions

PSDCH

PSDCH RB allocation

PRB pairs {4..5}

Time offset (NOTE 6)

μs

0

Frequency offset (NOTE 7)

Hz

0

Propagation Channel

AWGN

Antenna configuration

1×2 Low

Sidelink UE 2

Sidelink Transmissions

PSDCH

RB allocation

PRB pairs {6..7}

Time offset (NOTE 6)

μs

0

Frequency offset (NOTE 7)

Hz

0

Propagation Channel

AWGN

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: As specified in Table 4.2-2 in TS 36.211 [4].

NOTE 4: As specified in Table 4.2-1 in TS 36.211 [4].

NOTE 5: Applicable to both DL subframes and UL subframes configured for ProSe Direct Discovery.

NOTE 6: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 7: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.3.2-2: Minimum performance

Test num.

Band-width

Sidelink UE

Reference channel

Reference value

BLER of PSDCH (%)

SNR (dB)

1

5 MHz

1

D.1 TDD

(NOTE 1)

24.3

2

D.1 TDD

30

6.9

NOTE 1: There is no BLER requirement for Sidelink UE 1.

11.4 Multiple timing reference test

The purpose of this test is to check the demodulation performance when receiving from two Sidelink UEs that follow different timing references and transmitting on different resources (non-overlapping in time).

11.4.1 FDD

The test parameters are specified in Table 11.4.1-1. Sidelink UE 2 and the receiver UE under test are associated with Cell 1. Sidelink UE 1 and 3 are associated with another cell and use a different timing, and UE 1 acts as a synchronization reference. The minimum requirements are specified in Table 11.4.1-2.

Table 11.4.1-1: Test Parameters

Parameter

Unit

Test 1

Discovery resource pool configuration

As specified in Table A.7.1.1-2

(Configuration #2-FDD)

DRX configuration

As specified in Table 11.1.2-1

at antenna port (NOTE 3)

dBm/15kHz

-98

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern NOTE 2

OP.1 FDD

Propagation channel

AWGN

Antenna configuration

1×2

RSRP

dBm/15kHz

-92

Active Sidelink UE(s)

Sidelink UEs 1, 2, 3

Sidelink UE 1

Sidelink Transmissions

SLSS

networkControlledSyncTx

ON

slssid

30

Time offset (NOTE 4)

μs

3511

Frequency offset (NOTE 5)

Hz

-100

Propagation channel

EPA5

Antenna configuration

1×2 Low

of SLSS at antenna port

dBm/15kHz

-82

Sidelink UE 2

Sidelink Transmissions

PSDCH

Resource pool used for transmissions

discRxPool(0)

RB allocation

PRB pairs {2i..2i+1}, where i is chosen randomly uniformly from [0,11] in each discovery period.

Time offset (NOTE 4)

μs

+1

Frequency offset (NOTE 5)

Hz

+200

Propagation Channel

EPA5

Antenna configuration

1×2 Low

Sidelink UE 3

Sidelink Transmissions

PSDCH

Resource pool used for transmissions

discRxPool(1)

RB allocation

PRB pairs {2i..2i+1}, where i is chosen randomly uniformly from [0,11] in each discovery period.

Time offset (NOTE 4)

μs

3511

Frequency offset (NOTE 5)

Hz

+300

Propagation Channel

EPA5

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: Applicable to both DL channel and ProSe Direct Discovery Subframes on UL.

NOTE 4: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 5: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.4.1-2: Minimum performance

Test num.

Band-width

Sidelink UE

Reference channel

Reference value

BLER of PSDCH (%)NOTE 1

SNR (dB)

1

5 MHz

2

D.1 FDD

30

4.6

3

D.1 FDD

30

4.6

NOTE 1: The BLER is measured after 5 D2D Discovery periods (1600 frames) of lead time during which the test UE detects and synchronizes to Sidelink UE 1 SLSS.

11.5 Maximum Sidelink processes test

The purpose of this test is to verify the maximum number of Sidelink processes supported by the UE as reported using UE capability signalling (discSupportedProc).

The UE is required to meet only the test for the maximum channel bandwidth over the ProSe operating bands supported by the UE.

11.5.1 FDD

The test parameters are specified in Table 11.5.1-1. Multiple discovery resource pools are interleaved. Each Sidelink UE transmits in one of the resource pools with 3 retransmissions. The minimum requirements are specified in Table 11.5.1-2.

Table 11.5.1-1: Test Parameters

Parameter

Unit

Test 1-7

Discovery resource pool configuration

As specified in Table A.7.1.1-3

(Configuration #3-FDD)

with parameters BWChannel, NPools = Number of configured resource pools (as specified in Table 11.5.1-2), and N = discSupportedProc

DRX configuration

As specified in Table 11.1.2-1

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern NOTE 2

OP.1 FDD

Propagation channel

Static propagation condition

No external noise sources are applied

Antenna configuration

1×2

RSRP

dBm/15kHz

-85

Active Sidelink UE(s)

Sidelink UE i, i = 0, …, discSupportedProc-1

Sidelink UE i

Sidelink Transmissions

PSDCH (D.1 FDD)

Resource pool index (NOTE 3)

PSDCH RB allocation (NOTE 3)

PRB pairs {2*(i % NMAX_SF), 2*(i % NMAX_SF)+1}

Time offset (NOTE 4)

μs

0

Frequency offset (NOTE 4)

Hz

0

Propagation Channel

Static propagation condition

No external noise sources are applied

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs..

NOTE 3: NMAX_SF represents the maximum number of Sidelink UEs transmitting in one subframe. NMAX_SF = 12 (5 MHz), 25 (10MHz), 37 (15MHz), 50 (10MHz).

NOTE 4: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 5: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.5.1-2: Minimum performance

Test num.

Bandwidth

discSupportedProc

Number of configured resource pools

at antenna port (dBm/15kHz)

Reference value
for Sidelink UE i=0…discSupportedProc-1

Fraction of maximum throughput (%)

1

5 MHz

50

5

-85

95

2

10 MHz

50

2

-85

95

3

15 MHz

50

2

-85

95

4

20 MHz

50

1

-85

95

5

10 MHz

400

16

-85

95

6

15 MHz

400

11

-85

95

7

20 MHz

400

8

-85

95

11.5.2 TDD

The test parameters are specified in Table 11.5.2-1. Multiple discovery resource pools are interleaved. Each Sidelink UE transmits in one of the resource pools with 3 retransmissions. The minimum requirements are specified in Table 11.5.2-2.

Table 11.5.2-1: Test Parameters

Parameter

Unit

Test 1-7

Discovery resource pool configuration

As specified in Table A.7.1.2-2

(Configuration #2-TDD)

with parameters BWChannel, NPools = Number of configured resource pools (as specified in Table 11.5.2-2), and N = discSupportedProc

DRX configuration

As specified in Table 11.1.2-1

Active cell(s)

Cell 1 (Serving cell)

Cell 1

Cyclic prefix

Normal

Uplink downlink configuration (NOTE 3)

0

Special subframe configuration (NOTE 4)

4

Cell ID

0

Downlink power allocation

dB

0

dB

0 (NOTE 1)

σ

dB

0

OCNG Pattern NOTE 2

OP.1 TDD

Propagation channel

Static propagation condition

No external noise sources are applied

Antenna configuration

1×2

RSRP

dBm/15kHz

-85

Active Sidelink UE(s)

Sidelink UE i, i = 0, …, discSupportedProc-1

Sidelink UE i

Sidelink Transmissions

PSDCH (D.1 TDD)

PSDCH Resource pool (NOTE 5)

PSDCH RB allocation (NOTE 5)

PRB pairs {2*(i % NMAX_SF),2*(i % NMAX_SF)+1}

Time offset (NOTE 6)

μs

0

Frequency offset (NOTE 7)

Hz

0

Propagation Channel

Static propagation condition

No external noise sources are applied

Antenna configuration

1×2 Low

NOTE 1: .

NOTE 2: OCNG is used to fully allocate the available resource blocks to virtual UEs.

NOTE 3: As specified in Table 4.2-2 in TS 36.211 [4].

NOTE 4: As specified in Table 4.2-1 in TS 36.211 [4].

NOTE 5: NMAX_SF represents the maximum number of Sidelink UEs transmitting in one subframe. NMAX_SF = 12 (5 MHz), 25 (10MHz), 37 (15MHz), 50 (10MHz).

NOTE 6: Time offset of Sidelink UE receive signal with respect to Cell 1 downlink timing at the tested UE.

NOTE 7: Frequency offset of Sidelink UE with respect to Cell 1 uplink frequency.

Table 11.5.2-2: Minimum performance

Test num.

Bandwidth

discSupportedProc

Number of configured resource pools

at antenna port (dBm/15kHz

Reference value

Fraction of maximum throughput (%) for Sidelink UE i=0…discSupportedProc-1

1

5 MHz

50

5

-85

95

2

10 MHz

50

2

-85

95

3

15 MHz

50

2

-85

95

4

20 MHz

50

1

-85

95

5

10 MHz

400

16

-85

95

6

15 MHz

400

11

-85

95

7

20 MHz

400

8

-85

95