A wireless communication apparatus, comprising: a first radio access technology, RAT modem including: a first chip including a first portion of the first RAT modem configured to receive a first plurality of radio-frequency signals from a first antenna and process the first plurality of radio-frequency signals; and a second chip physically separated by a distance from the first chip including a second portion of the first RAT modem including a first RAT transceiver configured to down-convert at least one of the first plurality of radio-frequency signals to a first RAT baseband signal; wherein the wireless communication apparatus further comprises: a second RAT modem including a second RAT transceiver configured to down-convert a second plurality of radio-frequency signals from a second antenna to second RAT baseband signals; means for combining the first plurality of radio-frequency signals processed using the first portion of the first RAT modem; means for transmitting the combined first plurality of radio-frequency signals to the second portion of the first RAT modem, and, when received at the second portion, said combined first plurality of radio-frequency signals are converted to baseband signals; and means for canceling interference between the first RAT modem and the second RAT modem. a first radio access technology, RAT modem including: a first chip including a first portion of the first RAT modem configured to receive a first plurality of radio-frequency signals from a first antenna and process the first plurality of radio-frequency signals; and a second chip physically separated by a distance from the first chip including a second portion of the first RAT modem including a first RAT transceiver configured to down-convert at least one of the first plurality of radio-frequency signals to a first RAT baseband signal; a first chip including a first portion of the first RAT modem configured to receive a first plurality of radio-frequency signals from a first antenna and process the first plurality of radio-frequency signals; and a second chip physically separated by a distance from the first chip including a second portion of the first RAT modem including a first RAT transceiver configured to down-convert at least one of the first plurality of radio-frequency signals to a first RAT baseband signal; wherein the wireless communication apparatus further comprises: a second RAT modem including a second RAT transceiver configured to down-convert a second plurality of radio-frequency signals from a second antenna to second RAT baseband signals; means for combining the first plurality of radio-frequency signals processed using the first portion of the first RAT modem; means for transmitting the combined first plurality of radio-frequency signals to the second portion of the first RAT modem, and, when received at the second portion, said combined first plurality of radio-frequency signals are converted to baseband signals; and means for canceling interference between the first RAT modem and the second RAT modem. a second RAT modem including a second RAT transceiver configured to down-convert a second plurality of radio-frequency signals from a second antenna to second RAT baseband signals; means for combining the first plurality of radio-frequency signals processed using the first portion of the first RAT modem; means for transmitting the combined first plurality of radio-frequency signals to the second portion of the first RAT modem, and, when received at the second portion, said combined first plurality of radio-frequency signals are converted to baseband signals; and means for canceling interference between the first RAT modem and the second RAT modem.