6 Output power
36.1433GPPEvolved Universal Terrestrial Radio Access (E-UTRA)FDD repeater conformance testingRelease 17TS
6.1 Definition and applicability
Output power, Pout, of the repeater is the mean power of one carrier at maximum repeater gain delivered to a load with resistance equal to the nominal load impedance of the transmitter.
Maximum output power, Pmax, of the repeater is the mean power level per carrier measured at the antenna connector in a specified reference condition.
In certain regions, the minimum requirement for normal conditions may apply also for some conditions outside the ranges defined for the Normal test environment in Annex A2.
6.2 Minimum requirement
The minimum requirement is in TS 36.106 [2] subclause 6.1.
6.3 Test purpose
To verify that the Repeater maximum output power is within the limit specified by the minimum requirement in 6.2.
6.4 Method of test
6.4.1 Initial conditions
Test environment: normal; see Annex A2.
A measurement system set-up is shown in annex C.
In addition, on one UARFCN only, the test shall be performed under extreme power supply as defined in Annex A5
NOTE: Tests under extreme power supply also test extreme temperature.
1) Connect the signal generator equipment to the Repeater input port.
2) Connect the power measuring equipment to the Repeater output port.
6.4.2 Procedure
1) Set the signal generator to transmit signal(s) in accordance to table 6.4.2-1.
Table 6.4.2-1: Stimulus signal for output power testing
|
Repeater under test link and pass band bandwidth |
Stimulus reference |
Note |
|
Downlink |
One E-TM1.1 of the widest possible bandwidth to fit into the Repeater pass band. |
The signal is defined in TS36.141 [11] |
|
Uplink pass band |
Repeater stimulus signal 3 |
The signal is defined in Annex D.3 |
|
Uplink pass band |
Repeater stimulus signal 1 |
The signal is defined in Annex D.1 |
at centre frequencies such that the whole signal can be fitted inside the repeater pass band and at level(s) which produce the manufacturer specified maximum output power at maximum gain.
2) Adjust the input power to the Repeater to create the maximum nominal Repeater output power at maximum gain.
3) Measure the mean power at the RF output port over a certain slot.
4) Increase the power with 10 dB compare to the level obtained in step 2.
5) Measure the mean power at the RF output port over a certain slot.
6.5 Test requirements
In normal conditions, the Repeater maximum output power shall remain within limits specified in Table 6.3 relative to the manufacturer’s rated output power.
Table 6.3: Repeater output power; normal conditions
|
Rated output power |
Carrier frequency |
Limit |
|
P ≥ 31 dBm |
f ≤ 3.0 GHz |
+2,7 dB and -2,7 dB |
|
3.0 GHz < f ≤ 4.2 GHz |
+3,0 dB and -3,0 dB |
|
|
P < 31 dBm |
f ≤ 3.0 GHz |
+3,7 dB and -3,7 dB |
|
3.0 GHz < f ≤ 4.2 GHz |
+4,0 dB and -4,0 dB |
In extreme conditions, the Repeater maximum output power shall remain within limits specified in Table 6.4 relative to the manufacturer’s rated output power.
Table 6.4: Repeater output power; extreme conditions
|
Rated output power |
Carrier frequency |
Limit |
|
P ≥ 31 dBm |
f ≤ 3.0 GHz |
+3,2 dB and -3,2 dB |
|
3.0 GHz < f ≤ 4.2 GHz |
+3,5 dB and -3,5 dB |
|
|
P < 31 dBm |
f ≤ 3.0 GHz |
+4,7 dB and -4,7 dB |
|
3.0 GHz < f ≤ 4.2 GHz |
+5,0 dB and -5,0 dB |
NOTE: If the above Test Requirement differs from the Minimum Requirement then the Test Tolerance applied for this test is non zero. The Test Tolerance for this test is defined in subclause 5.2 and the explanation of how the Minimum Requirement has been relaxed by the Test Tolerance is given in Annex B.