14.2.32 Reference sensitivity TCH/WFS in VAMOS configuration

3GPP51.010-1Mobile Station (MS) conformance specificationPart 1: Conformance specificationTS

14.2.32.1 Definition

The reference sensitivity is the signal level at the MS receiver input at which a certain BER and FER must be achieved.

For E-GSM 900 MS this test is only performed in the P-GSM band.

14.2.32.2 Conformance requirement

1. At reference sensitivity level, the TCH/WFS FER shall meet the reference performance stated in 3GPP TS 45.005 subclause 6.2.1.a

The reference performance shall be:

For speech channels (TCH/WFSy) FER £ 1%

2. For MS supporting VAMOS I, at reference sensitivity level, the TCH/WFS class Ib RBER shall meet the reference sensitivity, performance of table 1s in 3GPP TS 45.005 subclause 6.2.1.a

For MS supporting VAMOS II, at reference sensitivity level, the TCH/WFS class Ib RBER shall meet the reference sensitivity, performance of table 1t in 3GPP TS 45.005 subclause 6.2.1.a

3. For MS supporting VAMOS III, at reference sensitivity level, the TCH/WFS class Ib RBER shall meet the reference sensitivity, performance of table 1x in 3GPP TS 45.005 subclause 6.2.1.a

14.2.32.3 Test purpose

1. To verify that the MS does not exceed conformance requirements under propagation condition TUhigh with no frequency hopping with an allowance for the statistical significance of the test.

14.2.32.4 Method of test

NOTE 1: The BA list sent on the BCCH and SACCH will indicate at least six surrounding cells with at least one near to each band edge. It is not necessary to generate any of these BCCHs but, if provided the signal strengths of BCCHs shall be in the range 15 dBVemf(  ) to 35 dBVemf(  ).

NOTE 2: The ARFCN of any BCCH shall not be co-channel or on adjacent channels to the wanted traffic channel.

14.2.32.4.1 Initial conditions

A call is set up according to the generic call set up procedure on a TCH/WFS with an ARFCN in the Mid ARFCN range for GSM700, T-GSM 810, GSM 850, DCS 1800 and PCS 1 900 and ARFCN 70 for GSM 900, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.

NOTE: For GSM 900 ARFCN 70 is tested since this is the 73rd harmonic of the 13 MHz clock normally used internally in a MS.

The multirate configuration indicates the use of a codec set limited to 6.60 kbit/s.

The SS transmits a Standard Test Signal C1 (AQPSK) (wanted signal) on the active VAMOS subchannel (subchannel 2) using trainings sequence 5 from TSC set 2. The other VAMOS subchannel (subchannel 1) uses trainings sequences 5 from TSC set 1.

The SS commands the MS to create traffic channel loop back signalling erased frames.

Specific PICS Statements:

  • VAMOS I supported (TSPC_VAMOS_Type1)

– VAMOS II supported (TSPC_VAMOS_Type2)

– VAMOS III supported (TSPC_VAMOS_Type3)

For MS indicating VAMOS III support, connect the SS to the MS antenna connectors according to Annex A1.1.6.2.

14.2.32.4.2 Procedure

a) The fading function is set to TUhigh for MS indicating VAMOS I or VAMOS II support and TUhigh/(Corr.=0, AGI=0 dB as per 3GPP TS 45.005 Annex Q.7) for MS indicating VAMOS III support.

b) The SS sets SCPIR_DL to +4 dB.

c) Depending of the indicated VAMOS type and the relevant antenna correlation and antenna gain imbalance values, the SS sets the amplitude of the wanted signal to reference sensitivity level from table 1s for VAMOS I or table 1t for VAMOS II or table 1x for VAMOS III in TS 45.005.

d) The SS compares the data of the signal that it sends to the MS with the signal which is looped back from the receiver after demodulation and decoding, and checks the frame erasure indication.

e) The SS determines the number of residual bit error events for the bits of class Ib, by examining sequences of at least the minimum number of samples of consecutive bits of class Ib. Bits are taken only from those frames not signalled as erased.

f) The SS also determines the frame erasure events by examining sequences of at least the minimum number of samples of consecutive frames and assuming a frame is received successfully, if it is not signalled as erased.

g) The SS sets SCPIR_DL to 0 dB and steps c) to f) are repeated.

h) The SS sets SCPIR_DL to -4 dB and steps c) to f) are repeated.

i) For MS indicating VAMOS II or VAMOS III support, steps c) to f) are repeated for SCPIR_DL -8 dB and -10 dB.

j) The SS uses a Channel Mode Modify procedure to change the active codec set to 12.65 kbit/s and steps b) to i) are repeated.

k) For MS indicating VAMOS III support, steps b) to j) are repeated with the SS fading function set in turn to TU high/(Corr.=0,7, AGI=-6 dB as per 3GPP TS 45.005 Annex Q.7)

Maximum/Minimum Duration of Test

– Maximum: 15 minutes (GSM700, GSM850, GSM900) or 10 minutes (DCS1800, PCS1900).

– Minimum: 15 minutes (GSM700, GSM850, GSM900) or 10 minutes (DCS1800, PCS1900).

14.2.32.5 Test requirements

Testing the reference sensitivity performance is performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with BER/BLER not on the limit.

For more information on statistical testing of BER/BLER performance, especially the definition of the limit lines refer to Annex 7.1

Before limit checking is valid the minimum test time due to fading needs to be considered:

Table 14.2.32-1: Minimum test times due to TU high fading conditions

Full Rate 50 km/h

Frequency

0,4

0,7

0,85

0,9

1,8

1,9

GHz

Wavelength

0,75

0,43

0,35

0,33

0,17

0,16

m

min test time

428

244

201

190

95

90

s

0:07:08

0:04:04

0:03:21

0:03:10

0:01:35

0:01:30

hh:mm:ss

Full Rate 60 km/h

Frequency

0,4

0,7

0,85

0,9

1,8

1,9

GHz

Wavelength

0,75

0,43

0,35

0,33

0,17

0,16

m

min test time

356

204

168

158

79

75

s

0:05:56

0:03:24

0:02:48

0:02:38

0:01:19

0:01:15

hh:mm:ss

If the minimum test time due to multipath conditions exceeds the target test time, then the test runs for the minimum test time due to multipath conditions and the decision is done by comparing the result with the “derived test limit”. In this case early pass/fail decisions are obsolete.

If the target test time exceeds the minimum test time due to multipath conditions early pass/fail decisions can be headed for in order to accelerate test execution.

For an early decision a minimum number of (error) events is necessary.

For an early pass decision ne   ≥   1 (inclusive artificial error)

For an early fail decision ne   ≥   7

When the target test time has been reached the test is finished and a pass/fail decision can be made.

The error rates measured for different channels and under the different propagation conditions shall be tested according to the values given in tables 14.2.32-2 through 14.2.32-9 depending on the indicated VAMOS type and the relevant antenna correlation and antenna gain imbalance values.

Table 14.2.32-2: Statistical test limits for GSM 850 and GSM 900 TU high no FH VAMOS I

0. 85 to 0.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.004000

0.0049

69895

8

00:00:08

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002000

0.0025

139789

36

00:00:36

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.004000

0.0049

69895

8

00:00:08

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002600

0.0032

107530

28

00:00: 28

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003000

0.0037

93193

10

00:00:10

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002300

0.0028

121556

31

00:00:31

Table 14.2.32-3: Statistical test limits for DCS 1 800 and PCS 1 900 TU high no FH VAMOS I

1.8 and 1.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.006000

0.0074

46596

5

00:00:05

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002500

0.00308

111831

29

00:00:29

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.007000

0.0086

39940

4

00:00:04

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003600

0.0044

77661

20

00:00:20

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005000

0.0062

55916

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003200

0.0039

87368

22

00:00:22

Table 14.2.32-4: Statistical test limits for GSM 850 and GSM 900 TU high no FH VAMOS II

0.4 to 0.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002500

0.0031

111831

29

00:00:29

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005100

0.0063

54819

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002400

0.0030

116491

30

00:00:30

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003600

0.0044

77661

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.001700

0.0021

164458

42

00:00:42

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003800

0.0047

73573

8

00:00:08

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002700

0.0033

103548

27

00:00:27

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.006600

0.0081

42360

5

00:00:05

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.001700

0.0021

164458

42

00:00:42

Table 14.2.32-5: Statistical test limits for DCS 1 800 and PCS 1 900 TU high no FH VAMOS II

1.8 and 1.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003300

0.0041

84721

22

00:00:22

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.008200

0.0101

34095

4

00:00:04

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003100

0.0038

90187

23

00:00:23

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005900

0.0073

47386

5

00:00:05

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.001800

0.0022

155321

40

00:00:40

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.006400

0.0079

43684

5

00:00:05

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002400

0.0030

116491

30

00:00:30

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.007200

0.0089

38830

4

00:00:04

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.002600

0.0032

107530

28

00:00:28

Table 14.2.32-6: Statistical test limits for GSM 850 and GSM 900 TU high no FH VAMOS III (Corr=0.0, AGI=0 dB)

0.4 to 0.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

Table 14.2.32-7: Statistical test limits for DCS 1 800 and PCS 1 900 TU high no FH VAMOS III (Corr=0.0, AGI=0 dB)

1.8 and 1.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

Table 14.2.32-8: Statistical test limits for GSM 850 and GSM 900 TU high no FH VAMOS III (Corr=0.7, AGI=-6 dB)

0.4 to 0.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.003500

0.0043

79880

9

00:00:09

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.003500

0.0043

79880

9

00:00:09

Table 14.2.32-9: Statistical test limits for DCS 1 800 and PCS 1 900 TU high no FH VAMOS III (Corr=0.7, AGI=-6 dB)

1.8 and 1.9GHz

frames per s

Orig. BER

Derived

Target number

Target test

Target test time

SCPIR_DL

Channel

bits per sec

clas1b per s

requirement

test limit

of samples

time (s)

(hh:mm:ss)

+4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

0 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-4 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-8 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06

-10 dB

WFS 12.65

frames

12650

50

0.010000

0.0123

27958

560

00:09:20

Class1b

12650

9050

0.005300

0.0065

52751

6

00:00:06

WFS 6.60

frames

6600

50

0.010000

0.0123

27958

560

00:09:20

Class1b

6600

3900

0.005300

0.0065

52751

6

00:00:06