9.4.9 TDD inter-frequency RSTD Measurement Accuracy in CE Mode A

37.571-13GPPPart 1: Conformance test specificationRelease 16TSUser Equipment (UE) conformance specification for UE positioning

9.4.9.1 TDD inter-frequency RSTD Measurement Accuracy in CE Mode A for Category M1

9.4.9.1.1 Test purpose

To verify that the RSTD measurement accuracy for UE Category M1 is within the specified limits in normal coverage mode in an environment with fading propagation conditions.

9.4.9.1.2 Test applicability

This test applies to E-UTRA TDD UE Category M1 release 14 and forward that supports UE-assisted OTDOA and inter-frequency RSTD measurements.

9.4.9.1.3 Minimum conformance requirements

Same as in clause 9.4.7.1.3.

The normative reference for this requirement is TS 36.133 [23] clause 9.1.21.17 and A.9.8.28.

9.4.9.1.4 Test description

9.4.9.1.4.1 Initial conditions

Same as in clause 9.4.7.1.4.1 but replacing Table 9.4.7.1.4.1-1 with Table 9.4.9.1.4.1-1

Table 9.4.9.1.4.1-1: General test parameters for E-UTRAN TDD inter-frequency RSTD measurement Accuracy under fading propagation conditions

Parameter

Unit

Value

Comment

Test 1

MPDCCH

R.14 TDD

As specified in TS 36.521-3 [25] clause A.7.3

mPDCCH-startSF-UESS

10

Parameter G in which determines subframe k0 in which MPDCCH starts

Reference cell

Cell 1

Reference cell is the cell in the OTDOA assistance data with respect to which the RSTD measurement is defined, as specified in 3GPP TS 36.214 [6] and 3GPP TS 36.355 [4]. The reference cell is the serving cell in this test case.

Neighbour cell

Cell 2

One carrier frequency is used.

E-UTRA RF Channel Number

Cell 1: 1

Cell 2: 2

The two cells are on different frequencies.

Channel Bandwidth (BWchannel)

MHz

10

PRS Transmission Bandwidth Note 2

RB

50 Note 4

PRS are transmitted over the system bandwidth

Number of consecutive downlink positioning subframes Note 2

4

As defined in 3GPP TS 36.211 [26]. The number of subframes in a positioning occasion

PRS muting info Note 2

Cell 1: ‘11110000’

Cell 2: ‘11110000’

Corresponds to prs-MutingInfo defined in TS 36.355 [4]

Physical cell ID PCI Note 2

(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0

prs-SubframeOffset

10

Number of subframes rounded to the closest integer. The corresponding parameter in the OTDOA assistance data is prs-SubframeOffset specified in TS 36.355 [4]

slotNumberOffset

0

The slot number offset at the transmitter between a neighbour cell and the assistance data reference cell specified in TS 36.355 [4]

Expected RSTD Note 1

μs

Cell 2: 1

Other neighbour cells: randomly between -3 and 3

The expected RSTD is what is expected at the receiver. The corresponding parameter in the OTDOA assistance data specified in TS 36.355 [4] is the expectedRSTD indicator

Expected RSTD uncertainty for all neighbour cells Note 1

μs

5

The corresponding parameter in the OTDOA assistance data specified in TS 36.355 [4] is the expectedRSTD-Uncertainty index

TDD uplink-downlink configuration

1

As specified in TS 36.211 [26], Clause 4.2; corresponds to a configuration with 5 ms switch-point periodicity and two downlink consecutive subframes

TDD special subframe configuration

6

As specified in TS 36.211 [26], Clause 4.2; corresponds to DwPTS of and UpPTS of

CP length Note 2

Normal

DRX

OFF

Radio frame receive time offset between the cells at the UE antenna connector Note 3

μs

Cell 2 to Cell 1: -3

PRS are transmitted from synchronous cells

Number of cells provided in OTDOA assistance data

16

Including the reference cell

ms

15360

Derived according to the RSTD measurement requirements specified in section 9.4.7.1.3

Note 1: Parameters “Expected RSTD” and “Expected RSTD uncertainty for all neighbour cells” are not settable parameters. These are parameters signalled in LPP only. For the values to be used in LPP see Table 9.4.7.1.4.3-5 and TS 37.571-5 [20], clause 7.2.5.

Note 2: Parameters “PRS Transmission Bandwidth”, “PRS configuration index”, “Number of consecutive positioning downlink subframes”, “prs-MutingInfo”, “Cell ID” and “CP length” are settable parameters and also parameters signalled in LPP. The values to be used for “Cell ID” are as follows: Cell 1: 0, Cell 2: 6. For all the values to be used in LPP see Table 9.4.7.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5.

Note 3: The parameter “Radio frame receive time offset between the cells at the UE antenna connector” is not a settable parameter but is used to set the “true RSTD” values in step 6 of clause 9.4.7.1.4.1.

Note 4: If the PRS transmission bandwidth is larger than the UE RF bandwidth, the UE is measuring RSTD within its RF bandwidth.

Note 5: The parameter “” is not a settable parameter but is used to set the LPP “time” value in Table 9.4.7.1.4.3-3. The value of the LPP time IE is set to + T ms, where T = 150 ms, giving a value of 15510 ms. This is rounded up to the next allowed LPP value of 16 seconds.

9.4.9.1.4.2 Test procedure

Same as in clause 9.4.7.1.4.2.

9.4.9.1.4.3 Message contents

Same as in clause 9.4.7.1.4.3

9.4.9.1.5 Test requirement

Table 9.4.9.1.5-1 defines the primary level settings including test tolerances for the test.

The RSTD TDD inter-frequency accuracy test shall meet the reported values in Table 9.4.9.1.5-2

Table 9.4.9.1.5-1: Cell Specific Test Parameters for inter frequency RSTD Tests for E-UTRAN TDD

Parameter

Unit

Test1

Test2 Note4

Cell1

Cell2

Cell1

Cell2

E-UTRA RF Channel Number

1

2

1

2

Gap offset

9

N/A

9

N/A

Gap pattern

#0

N/A

#0

N/A

OCNG Patterns defined in TS 36.521-3 [25] clause D.1

OP.11 TDD

OP.2 TDD

OP.11 TDD

OP.2 TDD

PRS configuration Index , as defined in TS 36.211

140

150

140

150

PBCH_RA

dB

0

0

0

0

PBCH_RB

PSS_RA

SSS_RA

MPDCCH_RA

MPDCCH_RB

OCNG_RANote1

OCNG_RBNote1

PRS_RA

dB

0

0

0

0

Note2

dBm/15 kHz

-98

-98

-98

-98

PRS

dB

-1

-11

-1

-11

PRS Note3

dB

-1

-11

-1

-11

Io Note3

dBm/9 MHz

-69.68

-70.16

-69.68

-70.16

PRP Note3

dBm/15kHz

-99

-109

-99

-109

Note 3

dB

-1

-11

-1

-11

RSRP Note 3

dBm/15kHz

-99

-109

-99

-109

Propagation condition

AWGN

Note 1: OCNG shall be used such that both cells are fully allocated and a constant total transmitted power spectral density is achieved for all OFDM symbols (other than those in the PRS subframes).

Note 2: Interference from other cells and noise sources not specified in the test is assumed to be constant over subcarriers and time and shall be modelled as AWGN of appropriate power for to be fulfilled.

Note 3: , PRS , Io, RSRP and PRP levels have been derived from other parameters for information purposes. They are not settable parameters themselves. Io values are derived in the case that there is no PBCH, PSS or SSS in the OFDM symbols carrying PRS

Note 4: Test2 is not used for test 9.4.9.1

Table 9.4.9.1.5-2: RSTD TDD inter-frequency accuracy requirements for the reported values

Test 1

Lowest reported value

RSTD_6241

Highest reported value

RSTD_6287

The test tolerances are defined in clauses C.1.3 and C4.

For the overall test to pass, the ratio of successful reported values in each sub-test shall be more than 90% with a confidence level of 95%.

9.4.9.2 TDD inter-frequency RSTD Measurement Accuracy in CE Mode A for Category M2

9.4.9.2.1 Test purpose

To verify that the RSTD measurement accuracy for UE Category M2 is within the specified limits in normal coverage mode in an environment with fading propagation conditions.

9.4.9.2.2 Test applicability

This test applies to E-UTRA TDD UE Category M2 release 14 and forward that supports UE-assisted OTDOA and inter-frequency RSTD measurements.

9.4.9.2.3 Minimum conformance requirements

Same as in clause 9.4.7.2.3.

The normative reference for this requirement is TS 36.133 [23] clause 9.1.25.1 and A.9.8.28.

9.4.9.2.4 Test description

9.4.9.2.4.1 Initial conditions

Same as in clause 9.4.7.2.4.1 but replacing Table 9.4.7.2.4.1-1 with Table 9.4.9.2.4.1-1.

Table 9.4.9.2.4.1-1: General test parameters for E-UTRAN TDD inter-frequency RSTD measurement Accuracy under fading propagation conditions

Parameter

Unit

Value

Comment

Test1

Test2

M-PDCCH parameters

R.14 TDD

R.14 TDD

As specified in TS 36.521-3 [25] clause A.7.3.

mPDCCH-startSF-UESS

10

10

Parameter G in which determines subframe k0 in which MPDCCH starts

Reference cell

Cell 1

Neighbour cell

Cell 2

E-UTRA RF Channel Number

Cell 1: 1

Cell 2: 2

The two cells are on different frequencies.

System channel Bandwidth (BWchannel)

MHz

10

10

PRS Transmission Bandwidth Note 2

RB

50 Note 4

50 Note 4

PRS bandwidth is as indicated in prs-Bandwidth in the OTDOA assistance data defined in TS 36.355 [4].

Number of consecutive positioning downlink subframes Note 2

4

2

As defined in TS 36.211 [26]

prs-MutingInfo Note 2

Cell 1: ‘11110000’

Cell 2: ‘11110000’

See section 6.5.1.2 in 3GPP TS 36.355 [4] for more information

Cell ID Note 2

(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0

(Cell ID of cell 1 – Cell ID of cell 2) mod 6 = 0

prs-SubframeOffset

10

10

Number of subframes rounded to the closest integer. The corresponding parameter in the OTDOA assistance data is prs-SubframeOffset specified in TS 36.355 [4]

slotNumberOffset

0

0

The slot number offset at the transmitter between a neighbour cell and the assistance data reference cell specified in TS 36.355 [4]

Expected RSTD Note 1

μs

Cell 2: 1

Other neighbour cells: randomly between -3 and 3

Cell 2: -1

Other neighbour cells: randomly between -3 and 3

Expected RSTD uncertainty for all neighbour cells Note 1

μs

5

5

TDD uplink-downlink configuration

1

As specified in TS 36.211 [26], Clause 4.2; corresponds to a configuration with 5 ms switch-point periodicity and two downlink consecutive subframes

TDD special subframe configuration

6

As specified in TS 36.211 [26], Clause 4.2; corresponds to DwPTS of and UpPTS of

CP length Note 2

Normal

DRX

OFF

Radio frame receive time offset between the cells at the UE antenna connector Note 3

μs

Cell 2 to Cell 1: -3

Cell 2 to Cell 1: 3

PRS are transmitted from synchronous cells

Number of cells provided in OTDOA assistance data

16

The number of cells includes the reference cell

Note 5

ms

15360

10240

Derived according to the RSTD measurement requirements specified in section 9.4.7.2.3

NOTE 1: Parameters “Expected RSTD” and “Expected RSTD uncertainty for all neighbour cells” are not settable parameters. These are parameters signalled in LPP only. For the values to be used in LPP see Table 9.4.7.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5.

NOTE 2: Parameters “PRS Transmission Bandwidth”, “PRS configuration index”, “Number of consecutive positioning downlink subframes”, “prs-MutingInfo”, “Cell ID” and “CP length” are settable parameters and also parameters signalled in LPP. The values to be used for “Cell ID” are as follows: Cell 1: 0, Cell 2: 6. For all the values to be used in LPP see Table 9.4.7.1.4.3-4 and TS 37.571-5 [20], clause 7.2.5.

NOTE 3: The parameter “Radio frame receive time offset between the cells at the UE antenna connector” is not a settable parameter but is used to set the “true RSTD” values in step 6 of clause 9.1.3.4.1.

NOTE 4: If the PRS transmission bandwidth is larger than the UE RF bandwidth, the UE is measuring RSTD within its RF bandwidth.

NOTE 5: The parameter “” is not a settable parameter but is used to set the LPP “time” value in Table 9.4.7.2.4.3-1. The value of the LPP time IE is set to + T ms, where T = 150 ms, giving a value of 15510 ms for Test 1 and 10390 ms for Test 2. This is rounded up to the next allowed LPP value of 16 and 11 seconds, respectively.

9.4.9.2.4.2 Test procedure

Same as in clause 9.4.7.1.4.2.

9.4.9.2.4.3 Message contents

Same as in clause 9.4.7.1.4.3.

9.4.9.2.5 Test requirement

Same as in clause 9.4.9.1.5 adding Test 2 and replacing Table 9.4.9.1.5-2 with Table 9.4.9.2.5-1:

Table 9.4.9.2.5-1: RSTD TDD inter-frequency accuracy requirements for the reported values

Test 1

Test 2

Lowest reported value

RSTD_6252

RSTD_6435

Highest reported value

RSTD_6276

RSTD_6459

For the overall test to pass, the ratio of successful reported values in each sub-test shall be more than 90% with a confidence level of 95%.