System and method for monitoring hardware alarms in radio system

A hardware alarm monitoring system (108) comprising an application specific integrated circuit (ASIC) (222) and a transceiver chain (232), the system further comprising:

• the ASIC (222) comprises a processing module (240), and a digital pre-distortion (DPD) application;
• the transceiver chain (232) comprises a transmit chain configured to monitor a transmit power to a radio frequency (RF) antenna (218) and a feedback chain (228) to monitor a feedback power from the RF antenna port (218);
• a DPD application configured to capture a predefined number of digital pre-distortion (DPD) data samples from the transmit chain and the feedback chain (228) over a pre-defined time period, wherein the DPD data samples comprises the transmit power and the feedback power of the RF antenna port;
• the processing module (240) is configured to:
• filter valid DPD data samples from the DPD data samples, wherein the DPD data sample is invalid if the transmit power or the feedback power is negative, infinity or zero and the DPD data sample is valid if a difference between the transmit power and the feedback power is less than a maximum difference between the transmit power and the feedback power;
• analyze the valid DPD data samples to compare the transmit power against a first transmit threshold value and a second transmit threshold, and the feedback power against a first feedback threshold value and a second feedback threshold value;
• upon determining that the transmit power and the feedback power are greater than the first transmit threshold value and the first feedback threshold value, respectively, increment, by the processing module (240), a high transmit power alarm counter;
• and
• upon determining that the transmit power and the feedback power are less than the second transmit threshold value and the second feedback threshold value, respectively, increment by the processing module (240), a low transmit power alarm counter.

A user equipment (104) communicatively coupled with a base station (110) via a network (106), wherein the base station (110) comprising a radio frequency antenna (112) communicating with a hardware alarm monitoring system (108), wherein the hardware alarm monitoring system is configured to:

• capture a predefined number of digital pre-distortion (DPD) data samples from a DPD application over a pre-defined time period, wherein the DPD data samples include values of a transmit power to a radio frequency (RF) antenna (218) and a feedback power received from the RF antenna (218);
• filter valid DPD data samples from the DPD data samples, wherein the DPD data sample is invalid if the transmit power or the feedback power is negative, infinity or zero and the DPD data sample is valid if a difference between the transmit power and the feedback power is less than a maximum difference between the transmit power and the feedback power;
• analyze the valid DPD data samples to compare the transmit power against a first transmit threshold value and a second transmit threshold, and the feedback power against a first feedback threshold value and a second feedback threshold value;
• upon determining that the transmit power and the feedback power are greater than the first transmit threshold value and the first feedback threshold value, respectively, increment, by the processing module (240), a high transmit power alarm counter;
• and
• upon determining that the transmit power and the feedback power are less than the second transmit threshold value and the second feedback threshold value, respectively, increment by the processing module (240), a low transmit power alarm counter.

A computer program product comprising a non-transitory computer-readable medium comprising instructions that, when executed by one or more processors, cause the one or more processors to:

• filter valid DPD data samples from the DPD data samples, wherein the DPD data sample is invalid if the transmit power or the feedback power is negative, infinity or zero and the DPD data sample is valid if a difference between the transmit power and the feedback power is less than a maximum difference between the transmit power and the feedback power;
• analyze the valid DPD data samples to compare the transmit power against a first transmit threshold value and a second transmit threshold, and the feedback power against a first feedback threshold value and a second feedback threshold value;
• upon determining that the transmit power and the feedback power are greater than the first transmit threshold value and the first feedback threshold value, respectively, increment, by the processing module (240), a high transmit power alarm counter;
• and
• upon determining that the transmit power and the feedback power are less than the second transmit threshold value and the second feedback threshold value, respectively, increment by the processing module (240), a low transmit power alarm counter.