Method for testing a low power radio frequency (RF) data packet signal transceiver
View Patent ↗Method for testing a radio frequency (RF) data packet signal transceiver device under test (DUT) including communicating via at least one of multiple available signal channels. Data packets exchanged between a tester and DUT as a normal part of a communication link initiation sequence are selectively exchanged and suppressed to enable testing of the DUT without requiring inclusion of special drivers within the DUT, special test software within the tester or establishment of a synchronized communication link between the tester and DUT. For example, in the case of a Bluetooth low energy transceiver, advertisement, scan request and scan response data packets can be used in such manner.
1. A method for testing a radio frequency (RF) data packet signal transceiver device under test (DUT) including communicating via at least one of a plurality of signal channels, comprising:
receiving, with a tester via one of said plurality of signal channels, a link initiation data packet from said DUT;
transmitting, with said tester via said one of said plurality of signal channels, a tester response data packet responsive to said link initiation data packet;
receiving, with said tester via said one of said plurality of signal channels, a DUT response data packet responsive to said tester response data packet;
refraining, with said tester, from transmitting via said one of said plurality of signal channels another tester response data packet responsive to said received DUT response data packet; and
repeating
receiving, with said tester via one of said plurality of signal channels, another link initiation data packet from said DUT, and
transmitting, with said tester via said one of said plurality of signal channels, another tester response data packet responsive to said another link initiation data packet.
2. The method of claim 1 , wherein said repeating results in said receiving and transmitting, with said tester, via at least first and second ones of said plurality of signal channels.
3. The method of claim 1 , wherein: said DUT comprises a Bluetooth low energy device;
said link initiation data packet comprises an advertisement data packet; said tester response data packet comprises a scan request data packet; and said DUT response data packet comprises a scan response data packet.
4. The method of claim 1 , wherein:
said transmitting, with said tester via said one of said plurality of signal channels, said tester response data packet responsive to said link initiation data packet comprises transmitting said tester response data packet with a first signal power; and
said repeating of transmitting, with said tester via said one of said plurality of signal channels, said another tester response data packet responsive to said another link initiation data packet comprises transmitting said another tester response data packet with a second signal power less than said first signal power.
5. The method of claim 1 , wherein said DUT response data packet includes a plurality of signal characteristics, and further comprising analyzing, with said tester, at least one of said plurality of signal characteristics.
6. A method for testing a radio frequency (RF) data packet signal transceiver device under test (DUT) including communicating via at least one of a plurality of signal channels, comprising:
transmitting, with said DUT via one of said plurality of signal channels, a link initiation data packet;
receiving, with said DUT via said one of said plurality of signal channels, a tester response data packet responsive to said link initiation data packet;
transmitting, with said DUT via said one of said plurality of signal channels, a DUT response data packet responsive to said tester response data packet;
failing, with said DUT, to receive via said one of said plurality of signal channels another tester response data packet responsive to said transmitted DUT response data packet; and
repeating
transmitting, with said DUT via one of said plurality of signal channels, another link initiation data packet, and
receiving, with said DUT via said one of said plurality of signal channels, another tester response data packet responsive to said another link initiation data packet.
7. The method of claim 6 , wherein said repeating results in said transmitting and receiving, with said DUT, via at least first and second ones of said plurality of signal channels.
8. The method of claim 6 , wherein: said DUT comprises a Bluetooth low energy device;
said link initiation data packet comprises an advertisement data packet; said tester response data packet comprises a scan request data packet; and said DUT response data packet comprises a scan response data packet.
9. The method of claim 1 , wherein:
said receiving, with said DUT via said one of said plurality of signal channels, a tester response data packet responsive to said link initiation data packet comprises receiving said tester response data packet with a first signal power; and
said repeating of receiving, with said DUT via said one of said plurality of signal channels, another tester response data packet responsive to another link initiation data packet comprises receiving said another tester response data packet with a second signal power less than said first signal power.
10. A method for testing a radio frequency (RF) data packet signal transceiver device under test (DUT) including communicating via at least one of a plurality of signal channels, comprising:
transmitting, with said DUT via one of said plurality of signal channels, a link initiation data packet;
receiving, with a tester, said link initiation data packet and in response thereto transmitting, via said one of said plurality of signal channels, a tester response data packet;
receiving, with said DUT, said tester response data packet and in response thereto transmitting, via said one of said plurality of signal channels, a DUT response data packet;
receiving, with said tester, said DUT response data packet and in response thereto refraining from transmitting via said one of said plurality of signal channels another tester response data packet; and
repeating
transmitting, with said DUT via one of said plurality of signal channels, a link initiation data packet,
receiving, with said tester, another link initiation data packet, and in response thereto transmitting, via said one of said plurality of signal channels, another tester response data packet, and
receiving, with said DUT, said another tester response data packet and in response thereto transmitting, via said one of said plurality of signal channels, another DUT response data packet.
11. The method of claim 10 , wherein said repeating results in said transmitting, with said DUT and said tester, via at least first and second ones of said plurality of signal channels.
12. The method of claim 10 , wherein said repeating results in said transmitting, with said DUT, via at least first and second ones of said plurality of signal channels.
13. The method of claim 10 , wherein: said DUT comprises a Bluetooth low energy device;
said link initiation data packet comprises an advertisement data packet; said tester response data packet comprises a scan request data packet; and said DUT response data packet comprises a scan response data packet.
14. The method of claim 10 , wherein:
said transmitting, with said tester via said one of said plurality of signal channels, said tester response data packet comprises transmitting said tester response data packet with a first signal power; and
said repeating of transmitting, with said tester via said one of said plurality of signal channels, said another tester response data packet comprises transmitting said another tester response data packet with a second signal power less than said first signal power.
15. The method of claim 10 , wherein:
said receiving, with said DUT, said tester response data packet comprises receiving said tester response data packet with a first signal power; and
said repeating of receiving, with said DUT, said another tester response data packet comprises receiving said another tester response data packet with a second signal power less than said first signal power.
16. The method of claim 10 , wherein said DUT response data packet includes a plurality of signal characteristics, and further comprising analyzing, with said tester, at least one of said plurality of signal characteristics.