Repetition coding for a wireless system

Abstract

A system and method are disclosed for transmitting data over a wireless channel. In some embodiments, transmitting data includes receiving convolutionally encoded data and enhancing the transmission of the data by further repetition encoding the data.

1 . (canceled) 
     
     
         2 . A receiver, comprising:
 an antenna configured to receive a signal transmitted on a wireless channel;   a mask remover configured to remove a mask to obtain a de-masked signal;   a combiner configured to combine data associated with the de-masked signal to obtain a combined signal, including by:
 obtaining a first set of data associated with a first subchannel; 
 obtaining a second set of data associated with a second subchannel; 
 determining a first weight based at least in part on a first measure of quality associated with the first subchannel; 
 determining a second weight based at least in part on a second measure of quality associated with the second subchannel; and 
 combining the first set of data and the second set of data based at least in part on the first weight and the second weight; and 
   a decoder configured to decode a signal associated with the combined signal.   
     
     
         3 . The receiver of  claim 2  further comprising a Fast Fourier Transform (FFT) configured to convert a time domain signal into a frequency domain signal, wherein the frequency domain signal is passed to the mask remover. 
     
     
         4 . The receiver of  claim 2  further comprising a de-interleaver, wherein de-interleaving processing is performed before combining processing associated with the combiner. 
     
     
         5 . The receiver of  claim 4 , wherein the de-interleaver is configured to receive the combined signal from the combiner and/or passes the de-interleaved signal to the decoder. 
     
     
         6 . The receiver of  claim 2  further comprising a de-interleaver, wherein de-interleaved processing is performed after combining processing associated with the combiner. 
     
     
         7 . The receiver of  claim 6 , wherein the de-interleaver is configured to receive the de-masked signal from the mask remover and/or passes the de-interleaved signal to the combiner. 
     
     
         8 . The receiver of  claim 2 , wherein the decoder includes a Viterbi decoder. 
     
     
         9 . The receiver of  claim 2 , wherein:
 the signal received by the antenna is transmitted by a transmitting device; and   the transmitting device includes a masking module configured to apply a mask such that the peak to average ratio of the signal output by the masking module is less than the peak to average ration of the signal input by the masking module.   
     
     
         10 . The receiver of  claim 9 , wherein the mask applied includes a pseudorandom value. 
     
     
         11 . A method for processing a received signal, comprising:
 receiving a signal transmitted on a wireless channel;   removing a mask to obtain a de-masked signal;   combining data associated with the de-masked signal to obtain a combined signal, including by:
 obtaining a first set of data associated with a first subchannel; 
 obtaining a second set of data associated with a second subchannel; 
 determining a first weight based at least in part on a first measure of quality associated with the first subchannel; 
 determining a second weight based at least in part on a second measure of quality associated with the second subchannel; and 
 combining the first set of data and the second set of data based at least in part on the first weight and the second weight; and 
   decoding a signal associated with the combined signal.   
     
     
         12 . The method of  claim 11  further comprising performing Fast Fourier Transform (FFT) processing to convert a time domain signal into a frequency domain signal, wherein the frequency domain signal is passed to the mask remover. 
     
     
         13 . The method of  claim 11  further comprising de-interleaving, wherein the de-interleaving processing is performed before combining. 
     
     
         14 . The method of  claim 11  further comprising de-interleaving, wherein the de-interleaving processing is performed after combining. 
     
     
         15 . The method of  claim 11 , wherein:
 the received signal is transmitted by a transmitting device; and   the transmitting device is configured to perform masking where a mask is applied such that the peak to average ratio of the output is less than the peak to average ration of the input.   
     
     
         16 . A computer program product for processing a received signal, the computer program product being embodied in a computer readable storage medium and comprising computer instructions for:
 receiving a signal transmitted on a wireless channel;   removing a mask to obtain a de-masked signal;   combining data associated with the de-masked signal to obtain a combined signal, including by:
 obtaining a first set of data associated with a first subchannel; 
 obtaining a second set of data associated with a second subchannel; 
 determining a first weight based at least in part on a first measure of quality associated with the first subchannel; 
 determining a second weight based at least in part on a second measure of quality associated with the second subchannel; and 
 combining the first set of data and the second set of data based at least in part on the first weight and the second weight; and 
   decoding a signal associated with the combined signal.   
     
     
         17 . The computer program product of  claim 16  further comprising computer instructions for performing Fast Fourier Transform (FFT) processing to convert a time domain signal into a frequency domain signal, wherein the frequency domain signal is passed to the mask remover. 
     
     
         18 . The computer program product of  claim 16  further comprising computer instructions for de-interleaving, wherein the de-interleaving processing is performed before combining. 
     
     
         19 . The computer program product of  claim 16  further comprising computer instructions for de-interleaving, wherein the de-interleaving processing is performed after combining.