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683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.2 Conformance requirement | 1. At reference co-channel interference the TCH/EFS FER shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3.
2. At reference co-channel interference the TCH/EFS class Ib BER shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3.
3. At referen... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1 under propagation condition TUhigh with frequency hopping and TUlow with no frequency hopping with an allowance for the statistical significance of the test.
2. To verify that the MS does not exceed conformance requirement 2 under propagation condition ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/EFS with an ARFCN in the mid ARFCN range, power control level set to maximum power.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal).
The SS commands the MS to create the traffic channel loop back, signalling erased ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is 9 dB below that of the wanted signal.
The fa... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.6.5 Test requirements | The error rate measured in this test shall not exceed the test limit error rate values given in table 14-21.
Table 14-21: Limits for co-channel rejection
Channel
Type of measurement
Propagation condition
Test limit error rate %
Minimum No. of samples
TCH/EFS
FER
TUlow/No FH
24
25 000
TCH/EFS Class Ib
RBER
TUlow/No FH
0... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7 Receiver performance in the case of frequency hopping and co‑channel interference on one carrier | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.1 Definition | The GSM receiver is specified to be able to handle one out of four carriers being strongly interfered with, if frequency hopping is applied. This is used in networks to increase the capacity. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.2 Conformance Requirement | Under the following conditions:
- a useful signal, cyclic frequency hopping over four carriers under static conditions, with equal input levels 20 dB above reference sensitivity level;
- a random, continuous, GMSK-modulated interfering signal on only one of the carriers at a level 10 dB higher than the useful signal,
t... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.3 Test Purpose | To verify that the MS does not exceed the conformance requirement with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.4 Method Of Test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/FS channel in hopping mode, power control level set to maximum power. A cyclic hop pattern covering four frequencies with a minimum carrier distance of 600 kHz is used.
The SS transmits Standard Test Signal C1 on the traffic channel with a power l... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.4.2 Test Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal) on one of the hopping frequencies of the wanted signal, and on the timeslot used by the wanted signal. The unwanted signal is continuous and has no fixed relationship with the... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.7.5 Test requirements | The error rate measured in this test shall not exceed the test limit error rate value given in the following table.
Channel
Type of measurement
Propagation condition
Test limit error rate (%)
Minimum No. of samples
TCH/FS
FER
Static
6.1
3 300 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8 Co-channel rejection - TCH/AFS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.2 Conformance requirement | 1. At reference co-channel interference the TCH/AFS FER shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3.
2. At reference co-channel interference the TCH/AFS class Ib BER shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1 under propagation condition TUhigh with frequency hopping and TUlow with no frequency hopping with an allowance for the statistical significance of the test.
2. To verify that the MS does not exceed conformance requirement 2 under propagation condition ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/AFS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 7,95 kbit/s.
The SS transmits Standard Test Signal C... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. The interference ratio is set to the reference interference r... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.8.5 Test requirements | Testing the Co‑channel interference 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 limit lines refer ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16 Co-channel rejection - TCH/AHS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.2 Conformance requirement | 1. At reference co channel interference, the TCH/AHS FER shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3.
2. At reference co channel interference, the TCH/AHS class Ib BER (BFI=0) shall meet the reference interference performance of table 2 in 3GPP TS 05.05 subclause 6.3.
3. ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1, under propagation conditions TUhigh without frequency hopping, with an allowance for the statistical significance of the test.
2. To verify that the MS does not exceed conformance requirement 2, under propagation conditions TUhigh without frequency hop... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power.
The multirate configuration indicates the use of a codec set limited to 7,95 kbit/s.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. The interference ratio is set to 3 dB above the reference int... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.5 Test requirements | Testing the Co‑channel interference 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 limit lines refer ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.16.5.2 Fixed testing of BER/BLER performance with minimum number of samples | The error rate measured in this test shall not exceed the test limit error rate values given in table 14-16 or table 14-17.
Table 14-16: Fixed limits for GSM 400, GSM 700, T-GSM 810, GSM 850 and GSM 900 co-channel rejection
Channel
Propagation condition
Test limit error rate %
Minimum No. of samples
TCH/AHS 7.95 (FER)
... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17 Co-channel rejection - TCH/AFS-INB | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.2 Conformance requirement | 1. At reference co-channel interference the TCH/AFS-INB FER shall meet the reference interference performance of table 2 in 3GPP TS 45.005 subclause 6.3.
The delays associated with Loop I remain constant for all of the following circumstances:
- For a given MS implementation.
- For the duration of the MS being powered ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1 under propagation condition TUhigh with frequency hopping and TUlow with no frequency hopping with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/AFS with an ARFCN in the mid ARFCN range, power control level set to maximum power.
The multirate configuration indicates the use of the following set of codecs modes:
Codec Mode
TCH/AFS in kbit/s
CODEC_MODE_4
12,2
CODEC_MODE_3
7,95
CODEC_MODE_2
5... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is 6 dB below that of the wanted signal (9 dB –... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.17.5 Test requirements | The frame error rate measured in this test shall not exceed the test limit error rate values given in table 14.4.17-1 or 14.4.17-2.
Co-channel rejection tests with a frequency condition noted as "@ndB" are performed with the interfering frequency transmitted with an additional n dB attenuation, see 3GPP TS 45.005.
Tabl... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18 Co-channel rejection - TCH/AHS-INB | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.2 Conformance requirement | 1. At reference co channel interference, the TCH/AHS-INB shall meet the reference interference performance of table 2 in 3GPP TS 45.005 subclause 6.3.
The delays associated with Loop I remain constant for all of the following circumstances:
- For a given MS implementation.
- For the duration of the MS being powered on.... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1, under propagation conditions TUhigh without frequency hopping, with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power.
The multirate configuration indicates the use of the following set of codecs modes:
Codec Mode
TCH/AHS in kbit/s
CODEC_MODE_4
7,95
CODEC_MODE_3
6,7
CODEC_MODE_2
5,... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is 9 dB below that of the wanted signal.
b) The... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.18.5 Test requirements | The frame error rate measured in this test shall not exceed the test limit error rate values given in table 14.4.18-1 or table 14.4.18-2.
Table 14.4.18-1: Limits for GSM 400, GSM 700, T-GSM 810, GSM 850 and GSM 900 co-channel rejection
Channel
Propagation
condition
Test limit
error rate %
Minimum No.
of samples
TCH/AHS... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19 Co-channel rejection - O-TCH/AHS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.2 Conformance requirement | For 8-PSK modulated channels, speech channels (AMR and AMR-WB), the minimum interference ratio for which the reference performance for co channel interference (C/Ic) shall be met is specified in table 2k
For 8-PSK modulated speech channels (AMR and AMR-WB), ECSD channels and 8-PSK modulated packet-switched channels, th... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.3 Test purpose | To verify that the MS does not exceed conformance requirement for FER and class 1b RBER under TU50 propagation conditions with an allowance for the statistical significance of the test, for channel combinations O-TCH/AHS12.2, O-TCH/AHS7.95, O-TCH/AHS5.9 and O-TCH/AHS4.75. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a O-TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 12,2 kbit/s.
The SS transmits Standard Test Signal... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal). The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal.
b) The fading characteristic of the wanted and the interferi... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.19.5 Test requirements | Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20 Co-channel rejection – O-TCH/AHS-INB | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.2 Conformance requirement | 1. At reference co channel interference, the O-TCH/AHS-INB shall meet the reference interference performance of table 2k in 3GPP TS 45.005 subclause 6.3. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.3 Test purpose | 1. To verify that the MS does not exceed conformance requirement 1, under propagation conditions TUhigh without frequency hopping, with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a O-TCH/AHS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of the following set of codecs modes:
Codec Mode
TCH/AHS in kbit/s
CODEC_MODE... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 using 8-PSK (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is 9 dB below that of the wanted si... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.20.5 Test requirements | The frame error rate measured in this test shall not exceed the test limit error rate values given in table 14.4.20-1 or table 14.4.20-2.
Table 14.4.20-1: Limits for GSM 400, GSM 700, T-GSM 810, GSM 850 and GSM 900 co-channel rejection
Channel
Propagation
condition
Test limit
error rate %
Minimum No.
of samples
TCH/AHS... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21 Co-channel rejection – O-FACCH/H | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.2 Conformance requirement | At reference co channel interference the O-FACCH/H FER shall meet the reference interference performance of table 2k in 3GPP TS 45.005 subclause 6.3). |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.3 Test purpose | To verify that the MS does not exceed the conformance requirement under propagation condition TUhigh with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a O-TCH/WHS or O-TCH/AHS (as supported by MS) with an ARFCN in the mid ARFCN range. The power control level is set to maximum power.
The SS transmits Standard Test Signal C1 on the traffic channel (wanted signal).
Specific PICS Statements:
- Support of ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is 10 dB below that of the wanted signal for GSM 8... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.21.5 Test requirements | Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24 Co-channel interference - O-TCH/WFS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.1 Definition | The co-channel interference performance is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.2 Conformance requirement | The reference interference performance (for co channel, C/Ic, or adjacent channel, C/Ia) in terms of frame erasure, bit error or residual bit error rates (whichever appropriate) is specified in table 2, according to the type of channel and the propagation condition. The performance requirements for GSM 400 and GSM 700 ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.3 Test purpose | To verify that the MS does not exceed conformance requirement for FER and class 1b RBER under TUhigh propagation conditions with an allowance for the statistical significance of the test, for channel combinations O-TCH/WFS 8.85 and O-TCH/WFS23.85. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a O-TCH/WFS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 8,85 kbit/s.
The SS transmits Standard Test Signal... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal). The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal.
b) The fading characteristic of the wanted and the interferi... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.24.5 Test requirements | Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25 Co-channel interference – O-TCH/WHS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.1 Definition | The co-channel interference performance is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.2 Conformance requirement | For 8-PSK modulated channels, speech channels (AMR and AMR-WB), the minimum interference ratio for which the reference performance for co channel interference (C/Ic) shall be met is specified in table 2k
For 8-PSK modulated speech channels (AMR and AMR-WB), ECSD channels and 8-PSK modulated packet-switched channels, th... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.3 Test purpose | To verify that the MS does not exceed conformance requirement for FER and class 1b RBER under TU50 propagation conditions with an allowance for the statistical significance of the test, for channel combinations O-TCH/WHS12.65 and O-TCH/WHS 6.60. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.4.1 Initial conditions | A call is set up according to the generic call set up procedure on a O-TCH/WHS with an ARFCN in the mid ARFCN range, power control level set to maximum power. RADIO_LINK_TIMEOUT is set to maximum.
The multirate configuration indicates the use of a codec set limited to 12,65 kbit/s.
The SS transmits Standard Test Signa... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal). The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal.
b) The fading characteristic of the wanted and the interferi... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.25.5 Test requirements | Testing should be performed using statistical methods that lead to an early pass/fail decision with test time significantly reduced for MS with FER/BER not on the limit.
For more information on statistical testing of BER/BLER performance, especially the definition of limit lines refer to Annex 7.
Wrong decision risk F ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26 Co-channel rejection - O-TCH/WFS-INB | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.2 Conformance requirement | For GMSK modulated speech channels for wideband AMR, and for 8-PSK modulated speech channels for AMR, associated control channels and in band signalling, the minimum input signal level for which the reference performance shall be met is specified in table 1f and 1g respectively for normal BTS, according to the type of ... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.3 Test purpose | To verify that the MS does not exceed conformance requirement under propagation condition TU high without frequency hopping with an allowance for the statistical significance of the test. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.4.1 Initial conditions | A call is set up according to the generic call set up procedure on O-TCH/WFS with an ARFCN in the mid ARFCN range, power control level set to maximum power.
The multirate configuration indicates the use of the following set of codecs modes:
Codec Mode
O-TCH/WFS in kbit/s
CODEC_MODE_4
23,85
CODEC_MODE_3
12,65
CODEC_MODE... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.4.2 Procedure | a) In addition to the wanted signal, the SS produces an independent, uncorrelated interfering signal, Standard Test Signal I1 (unwanted signal).
The unwanted signal is continuous and has no fixed relationship with the bit transitions of the wanted signal. Its amplitude is set to (-93 + Corr +2) dBm (where Corr is the c... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.26.5 Test requirements | The frame error rate measured in this test shall not exceed the test limit error rate values given in table 14.4.26-1.
Table 14.4.26-1: Limits for T-GSM 810, GSM 850 and GSM 950 O-TCH/WFS-INB co-channel rejection
Channel
Propagation
condition
C/Ic
dB
Test limit
error rate %
Minimum No.
of samples
O-TCH/WFS-INB (FER)
TU... |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.27 Void | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.28 Co-channel rejection - TCH/WFS | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.28.1 Definition | The co-channel rejection is a measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted modulated signal, both signals being at the nominal frequency of the receiver. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 14.4.28.2 Conformance requirement | At reference co-channel interference the TCH/WFS class Ib BER shall meet the reference interference performance of table 2j in 3GPP TS 45.005 subclause 6.3.
The performance requirements for GSM 400 and GSM 700 systems are as for GSM 900 in table 2j, except that the GSM 400 MS speed is doubled from that of GSM 900, e.g.... |
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