Over-the-air test
A testing system comprises an emulator having a simulated radio channel for communicating therethrough with the electronic device. The testing system comprises a plurality of antenna elements coupled to an emulator which forms a beam of a signal of a path of a simulated radio channel with at least two antenna elements of the plurality of antenna elements in an anechoic chamber.
1. A method of communicating with an electronic device under test through a simulated radio channel of an emulator, the method comprising:
forming a single beam of a single signal of a single path of a single simulated radio channel a using plurality of antenna elements coupled to an emulator in an anechoic chamber, the emulator comprising a plurality of delay elements coupled to a same one of the plurality of antenna elements, wherein power of a simulated cluster is divided between two of the plurality of antenna elements on the basis of antenna angles θ k and a cluster angle φ n .
2. The method of claim 1 , the method further comprising dividing a signal of a path of the radio channel to at least two antenna elements for a transmission beam.
3. The method of claim 1 , the method further comprising receiving by the at least two antenna elements and combining signals of the at least two antenna elements for forming a reception beam of a signal of a path of a simulated radio channel.
4. The method of claim 1 , the method further comprising forming different beams of different paths of the simulated radio channel at different moments of time.
5. The method of claim 1 , the method further comprising forming a beam of a path of the simulated radio channel at different moments of time.
6. The method of claim 1 , the method further comprising forming a plurality of different beams of different paths of the simulated radio channel at a moment of time.
7. The method of claim 1 , the method further comprising searching for two antenna elements between angles of which an angle of a direction of a path is and forming the beam using the two antenna elements.
8. The method of claim 1 , the method further comprising forming the beam by a group of antenna elements including an odd number of antenna elements.
9. A testing system, the testing system comprising:
an emulator having a simulated radio channel for communicating therethrough with an electronic device; and
a plurality of antenna elements couplable to the emulator, the emulator comprising a plurality of delay elements coupled to a same one of the plurality of antenna elements;
the emulator being configured to form a single beam of a single signal of a sine path of a single simulated radio channel using at least two antenna elements of the plurality of antenna elements in an anechoic chamber, wherein power of a simulated cluster is divided between two of the plurality of antenna elements on the basis of antenna angles θ k and a cluster angle φ n .
10. The testing system of claim 9 , wherein the emulator is configured to divide a signal of a path of the radio channel to at least two antenna elements for a transmission beam.
11. The testing system of claim 9 , wherein the emulator is configured to receive by the at least two antenna elements and combining signals of the at least two antenna elements for forming a reception beam of a signal of a path of a simulated radio channel.
12. The testing system of claim 9 , wherein the emulator is configured to form different beams of different paths of the simulated radio channel at different moments of time.
13. The testing system of claim 9 , wherein the emulator is configured to form a beam of a path of the simulated radio channel at different moments of time.
14. The testing system of claim 9 , wherein the emulator is configured to form a plurality of different beams of different paths of the simulated radio channel at a moment of time.
15. The testing system of claim 9 , wherein the emulator is configured to search for two antenna elements between whose angles an angle of a direction of a path is and forming the beam using the two antenna elements.
16. The testing system of claim 9 , wherein the emulator is configured to form the beam by a group of antenna elements including an odd number of antenna elements.
17. A non-transitory computer-readable medium storing instructions that, when executed by a processing device, perform a computer process to communicate with an electronic device under test through a simulated radio channel of an emulator, wherein the process comprises:
forming a single beam of a single signal of a single path of a single simulated radio channel using a plurality of antenna elements coupled to an emulator in an anechoic chamber, the emulator comprising a plurality of delay elements coupled to a same one of the plurality of antenna elements, wherein power of a simulated cluster is divided between two of the plurality of antenna elements on the basis of antenna angles θ k and a cluster angle φ n .
18. The non-transitory computer-readable medium of claim 17 , the process further comprising dividing a signal of a path of the radio channel to at least two antenna elements for a transmission beam.
19. The non-transitory computer-readable medium of claim 17 , the process further comprising receiving by the at least two antenna elements and combining signals of the at least two antenna elements for forming a reception beam of a signal of a path of a simulated radio channel.
20. The non-transitory computer-readable medium of claim 17 , the process further comprising forming different beams of different paths of the simulated radio channel at different moments of time.
21. The non-transitory computer-readable medium of claim 17 , the process further comprising forming a beam of a path of the simulated radio channel at different moments of time.
22. The non-transitory computer-readable medium of claim 17 , the process further comprising forming a plurality of different beams of different paths of the simulated radio channel at a moment of time.
23. The non-transitory computer-readable medium of claim 17 , the process further comprising searching for two antenna elements between whose angles an angle of a direction of a path is and forming the beam using the two antenna elements.
24. The non-transitory computer-readable medium of claim 17 , the process further comprising forming the beam by a group of antenna elements including an odd number of antenna elements.
25. The non-transitory computer-readable medium of claim 17 , wherein the non-transitory computer-readable medium is distributed in a distribution medium including at least one of the following media: a computer readable medium, a program storage medium, a record medium, a computer readable memory, a computer readable software distribution package, a computer readable signal, a computer readable telecommunications signal, and a computer readable compressed software package.