Electronic device with over-the-air wireless self-testing capabilities

Apparatus, comprising:

• a first antenna in a first antenna signal path;
• a second antenna in a second antenna signal path;
• wireless circuitry that is configured to transmit an over-the-air antenna signal at a millimeter wave frequency using the first antenna and that is configured to receive the transmitted over-the-air antenna signal from the first antenna using the second antenna;
• control circuitry configured to perform wireless test measurements using the antenna signal received using the second antenna;
• a switching circuit coupled between the first and second antenna signal paths;
• a first phased antenna array that comprises the first antenna;
• and
• a second phased antenna array that comprises the second antenna.

Apparatus, comprising:

• a first antenna in a first antenna signal path;
• a second antenna in a second antenna signal path;
• wireless circuitry that is configured to transmit an over-the-air antenna signal at a millimeter wave frequency using the first antenna and that is configured to receive the transmitted over-the-air antenna signal from the first antenna using the second antenna;
• control circuitry configured to perform wireless test measurements using the antenna signal received using the second antenna;
• and
• a switching circuit coupled between the first and second antenna signal paths, wherein the wireless circuitry comprises:
• baseband processor circuitry, and
• transceiver circuitry interposed between the baseband processor circuitry and the first and second antennas.

Apparatus, comprising:

• a first antenna in a first antenna signal path;
• a second antenna in a second antenna signal path;
• wireless circuitry that is configured to transmit an over-the-air antenna signal at a millimeter wave frequency using the first antenna and that is configured to receive the transmitted over-the-air antenna signal from the first antenna using the second antenna;
• control circuitry configured to perform wireless test measurements using the antenna signal received using the second antenna;
• and
• a switching circuit coupled between the first and second antenna signal paths, wherein the wireless circuitry comprises:
• baseband processor circuitry,
• a first transceiver in the first antenna signal path and interposed between the baseband processor circuitry and the first antenna, and
• a second transceiver in the second antenna signal path and interposed between the baseband processor circuitry and the second antenna.

Apparatus, comprising:

• control circuitry;
• a first antenna in a first antenna signal path;
• a second antenna in a second antenna signal path;
• wireless circuitry that includes transceiver circuitry configured to operate under control of the control circuitry to transmit and receive antenna signals over the first and second antenna signal paths using the first and second antennas, wherein the control circuitry is configured to control the wireless circuitry to transmit over-the-air antenna signals using the first antenna while measuring corresponding received antenna signals from the first antenna using the second antenna, and the control circuitry is further configured to gather impedance measurements using at least the corresponding received antenna signals;
• and
• a coupler interposed in the second antenna signal path, wherein the control circuitry is configured to gather the impedance measurements using at least the coupler.

An integrated antenna and transceiver module that is controlled by control circuitry to transmit and receive antenna signals, comprising:

• a first antenna in a first antenna signal path;
• an adjustable electrical component in the first antenna signal path;
• a second antenna in a second antenna signal path;
• and
• transceiver circuitry that is configured to transmit an over-the-air antenna test signal using the first antenna and that is configured to receive the over-the-air antenna test signal transmitted by the first antenna using the second antenna, wherein the adjustable electrical component is configured to be adjusted by the control circuitry while the second antenna receives the over-the-air antenna test signal, and the adjustable electrical component is calibrated using calibration data generated by the control circuitry in response to the over-the-air antenna test signal received using the second antenna.