Frequency domain equalizer for dual antenna radio

A Radio Frequency (RF) device comprising:

• a RF front end operable to receive an RF signal and to produce a time domain signal that includes time domain training symbols and time domain data symbols;
• and
• processing circuitry coupled to the RF front end and operable to:
• cluster path process the time domain training symbols to produce cluster path processed time domain training symbols;
• produce a time domain channel estimate based upon the cluster path processed time domain training symbols;
• convert the time domain channel estimate to the frequency domain to produce a frequency domain channel estimate;
• and
• produce frequency domain equalizer coefficients based upon the frequency domain channel estimate.

A method for operating a Radio Frequency (RF) device comprising:

• at least one RF interface receiving a first time domain signal and a second time domain signal, each including time domain training symbols and time domain data symbols;
• for each of the first time domain signal and the second time domain signal, processing circuitry:
• processing the time domain signal to produce time domain training symbols;
• producing a time domain channel estimate based upon the time domain training symbols;
• converting the time domain channel estimate to the frequency domain to produce a frequency domain channel estimate;
• producing frequency domain equalizer coefficients based upon the frequency domain channel estimate;
• converting the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients;
• and
• equalizing time domain data symbols using the time domain equalizer coefficients to produced equalized time domain data symbols;
• and
• the processing circuitry combining equalized time domain data symbols of the first time domain signal and equalized time domain data symbols of the second time domain signal to produce composite equalized time domain data symbols.

A Radio Frequency (RF) device comprising:

• at least one RF interface operable to receive a first time domain signal and a second time domain signal, each including time domain training symbols and time domain data symbols;
• processing circuitry coupled to the at least one RF interface and operable to:
• for each of the first time domain signal and the second time domain signal:
• produce a time domain channel estimate based upon the time domain training symbols;
• convert the time domain channel estimate to the frequency domain to produce a frequency domain channel estimate;
• produce frequency domain equalizer coefficients based upon the frequency domain channel estimate;
• convert the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients;
• and
• equalize time domain data symbols using the time domain equalizer coefficients to produced equalized time domain data symbols;
• and
• combine equalized time domain data symbols of the first time domain signal and equalized time domain data symbols of the second time domain signal to produce composite equalized time domain data symbols.