Method, device and system of reduced peak-to-average-ratio communication

Abstract

Some embodiments include devices, methods and/or systems of reduced peak-to-average-ratio communication. An apparatus may include a transmitter to transmit a transmission corresponding to an input signal, wherein the transmitter may include a peak-to-average-ratio-reduction transformer to generate a plurality of transformed data components by applying a predefined peak-to-average-ratio-reduction transform scheme to a plurality of fine constellation data components corresponding to the input signal, wherein a peak-to-average-ratio corresponding to the plurality of transformed data components is lower than a peak-to-average-ratio corresponding to the plurality of fine-constellation data components; and a transmission module to generate the transmission based at least on the plurality of transformed data components. Other embodiments are described and claimed.

What is claimed is: 
     
         1 . A system comprising:
 a wireless transmitter to transmit a wireless transmission corresponding to an input video signal, said transmitter comprising:   a data-component mapper to map a plurality of data components representing said video signal into a plurality of fine-constellation data components and a plurality of coarse-constellation data components;   a peak-to-average-ratio-reduction transformer to generate a plurality of transformed data components by applying to said plurality of fine constellation data components a predefined peak-to-average-ratio-reduction transform scheme, wherein a peak-to-average-ratio corresponding to said plurality of transformed data components is lower than a peak-to-average-ratio corresponding to said plurality of fine-constellation data components; and   a radio-frequency module to generate said wireless transmission based on said plurality of transformed data components and said plurality of coarse-constellation data components; and   a wireless receiver to receive said wireless transmission and to generate an output video signal corresponding to said wireless transmission.   
     
     
         2 . The system of  claim 1 , wherein said peak-to-average-ratio-reduction transformer is to apply a predefined Hadamard transformation to said fine constellation data components. 
     
     
         3 . The system of  claim 2 , wherein said peak-to-average-ratio-reduction transformer is to multiply a block of a predefined number of said fine constellation data components by a predefined Hadamard transformation matrix. 
     
     
         4 . The system of  claim 2 , wherein said transmitter comprises a plurality of antennas to transmit said wireless transmission, and
 wherein said radio-frequency module comprises a framer to construct a wireless transmission frame of said transmission by mapping said transformed data components to a plurality of sets of fine frequency bins, and to apply a predefined antenna-mapping transformation to at least one set of transformed data components, which are mapped to a common fine frequency bin.   
     
     
         5 . The system of  claim 1 , wherein said transmitter comprises a coefficient generator to generate a plurality of transformation coefficients representing said video signal by applying a predefined coefficient-generation transformation to said video signal, and wherein said plurality of data components comprise said plurality of transformation coefficients. 
     
     
         6 . The system of  claim 1  comprising a video source to generate said input video signal. 
     
     
         7 . The system of  claim 1  comprising a video destination to display a video image based on said output video signal. 
     
     
         8 . An apparatus comprising a transmitter to transmit a transmission corresponding to an input signal, said transmitter comprising:
 a plurality of antennas to transmit said wireless transmission, and   a framer to construct a wireless transmission frame of said transmission by mapping a plurality of data components corresponding to said input signal to a plurality of sets frequency bins, each including a common frequency bin of said plurality of antennas; and   to apply a predefined antenna-mapping transformation to at least one set of said data components, which are mapped to a common frequency bin, to generate a set of transformed data components, wherein a peak-to-average-ratio corresponding to said set of transformed data components is lower than a peak-to-average-ratio corresponding to said set of data components.   
     
     
         9 . The apparatus of  claim 8 , wherein said framer is to multiply said set of transformed data components by a Hadamard transformation matrix having a number of rows equal to a number of said plurality of antennas.