An antenna tuning system, comprising: one or more aperture tuners; and one or more processors configured to: generate a first antenna performance metric for a communication link (110, 112, 122) between an antenna and a first device (110, 120) when the antenna is tuned according to one or more first tuning parameters, the first antenna performance metric based on an impedance metric for the antenna and a signal strength metric for the communication link; update a tuning configuration for the antenna according to one or more second tuning parameters; generate a second antenna performance metric for the communication link based on an impedance metric for the antenna and a signal strength metric for the communication link when the antenna is tuned according to the updated tuning configuration using the one or more aperture tuners; determine whether the first antenna performance metric is higher than the second antenna performance metric, and, in response to determining that the first antenna performance metric is higher than the second antenna performance metric, revert the tuning configuration for the antenna according to the one or more first tuning parameters, wherein in generating the first and second antenna performance metrics the one or more processors are configured to respectively compute the first and second antenna performance metrics based on values for the impedance metric and the signal strength metric weighted according to predetermined weights. one or more aperture tuners; and one or more processors configured to: generate a first antenna performance metric for a communication link (110, 112, 122) between an antenna and a first device (110, 120) when the antenna is tuned according to one or more first tuning parameters, the first antenna performance metric based on an impedance metric for the antenna and a signal strength metric for the communication link; update a tuning configuration for the antenna according to one or more second tuning parameters; generate a second antenna performance metric for the communication link based on an impedance metric for the antenna and a signal strength metric for the communication link when the antenna is tuned according to the updated tuning configuration using the one or more aperture tuners; determine whether the first antenna performance metric is higher than the second antenna performance metric, and, generate a first antenna performance metric for a communication link (110, 112, 122) between an antenna and a first device (110, 120) when the antenna is tuned according to one or more first tuning parameters, the first antenna performance metric based on an impedance metric for the antenna and a signal strength metric for the communication link; update a tuning configuration for the antenna according to one or more second tuning parameters; generate a second antenna performance metric for the communication link based on an impedance metric for the antenna and a signal strength metric for the communication link when the antenna is tuned according to the updated tuning configuration using the one or more aperture tuners; determine whether the first antenna performance metric is higher than the second antenna performance metric, and, in response to determining that the first antenna performance metric is higher than the second antenna performance metric, revert the tuning configuration for the antenna according to the one or more first tuning parameters, wherein in generating the first and second antenna performance metrics the one or more processors are configured to respectively compute the first and second antenna performance metrics based on values for the impedance metric and the signal strength metric weighted according to predetermined weights.