Method for downlink power tests, test system as well as test setup
First Claim
1. A method for downlink power tests of a device under test using a test system comprising a signal generator, a control unit and a test chamber having a quiet zone, the method comprising:
- arranging said device under test in said quiet zone;
generating a downlink signal with a predefined downlink power level in said quiet zone by said signal generator;
measuring in a first test phase a first absolute power level received by said device under test and transmitting said measured first power level to said control unit;
determining by said control unit whether said measured first power level lies within a predefined first range around said predefined downlink power level,if said measured first power level lies within a predefined first range, repeatedly measuring subsequent power levels received by said device under test in a second test phase and transmitting said measured subsequent power levels to said control unit; and
determining by said control unit whether said measured subsequent power levels lie within a predefined second range around the measured first power level with respect to the current downlink power level.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for downlink power tests of a device under test comprising: generating a downlink signal with a predefined downlink power level in a quiet zone at the device under test; measuring a first absolute power level received by the device under test; determining whether the measured first power level lies within a predefined first range; repeatedly measuring subsequent power levels received by the device under test; and determining by the control unit whether the measured subsequent power levels lie within a predefined second range around the measured first power level with respect to the current downlink power level. Further, a test system and a test setup for downlink power tests are shown.
19 Citations
16 Claims
-
1. A method for downlink power tests of a device under test using a test system comprising a signal generator, a control unit and a test chamber having a quiet zone, the method comprising:
-
arranging said device under test in said quiet zone; generating a downlink signal with a predefined downlink power level in said quiet zone by said signal generator; measuring in a first test phase a first absolute power level received by said device under test and transmitting said measured first power level to said control unit; determining by said control unit whether said measured first power level lies within a predefined first range around said predefined downlink power level, if said measured first power level lies within a predefined first range, repeatedly measuring subsequent power levels received by said device under test in a second test phase and transmitting said measured subsequent power levels to said control unit; and determining by said control unit whether said measured subsequent power levels lie within a predefined second range around the measured first power level with respect to the current downlink power level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A test system for downlink power tests of a device under test comprising:
-
a signal generator, a control unit and a test chamber having a quiet zone, said device under test being arranged in said quiet zone, wherein said signal generator is configured to generate a downlink signal with a predefined downlink power level in said quiet zone; and wherein said control unit is configured to; receive from said device under test in a first test phase a measured first absolute power level received by said device under test; determine whether said measured first power level lies within a predefined first range around said predefined downlink power level; receive in a second test phase repeatedly measured subsequent power levels from said device under test, if said measured first power level lies within a predefined first range; and determine whether said measured subsequent power levels lie within a predefined second range around the measured first power level with respect to the current downlink power level. - View Dependent Claims (14)
-
-
15. A test setup for downlink power tests of a device under test with a device under test and a test system comprising a signal generator, a control unit and a test chamber having a quiet zone,
wherein said device under test is arranged in said quiet zone and said device under test is capable of performing and reporting downlink power measurements; -
wherein said signal generator is configured to generate a downlink signal with a predefined downlink power level in said quiet zone; and wherein said control unit is configured to; receive from said device under test in a first test phase a measured first absolute power level received by said device under test; determine whether said measured first power level lies within a predefined first range around said predefined downlink power level; receive in a second test phase repeatedly measured subsequent power levels from said device under test if said measured first power level lies within a predefined first range; and determine whether said measured subsequent power levels lie within a predefined second range around the measured first power level with respect to the current downlink power level. - View Dependent Claims (16)
-
Specification