Method and System for Receiver Synchronization

Abstract

Provided is a method for synchronizing a multiple carrier receiver to receive a transmitted signal. The method includes determining a location of one or more scattered pilot carriers in a received symbol sequence and modulating the scattered pilot carriers in accordance with a single pseudorandom binary sequence. The method also includes performing phase error correction via the modulated scattered pilot carriers.

1 . A method for synchronizing a multiple carrier receiver to receive a transmitted signal, comprising:
 determining a location of one or more scattered pilot carriers in a received symbol sequence;   modulating the scattered pilot carriers in accordance with a single pseudorandom binary sequence; and   performing phase error correction via the modulated scattered pilot carriers.   
     
     
         2 . The method of  claim 1 , further comprising determining a location of one or more continuous pilot carriers; and
 performing coarse and fine synchronization using the continuous pilot carriers.   
     
     
         3 . The method of  claim 2 , wherein the coarse and fine synchronization are performed in time domain. 
     
     
         4 . The method of  claim 1 , wherein a duration of the single pseudorandom binary sequence is at least two symbols. 
     
     
         5 . The method of  claim 1 , wherein the pseudorandom sequence is a Gold code. 
     
     
         6 . The method of  claim 1 , wherein the multi-carrier receiver operates in accordance with orthogonal frequency division multiplexing (OFDM) principles. 
     
     
         7 . A computer program product including a computer readable medium storing program code, which when executed are adapted to enable a processor to:
 determine a location of one or more scattered pilot carriers in a received symbol sequence;   modulate the scattered pilot carriers in accordance with a single pseudorandom binary sequence; and   perform phase error correction via the modulated scattered pilot carriers.   
     
     
         8 . A computer program product of  claim 7 , further comprising determining a location of one or more continuous pilot carriers; and
 perform coarse and fine synchronization using the continuous pilot carriers.   
     
     
         9 . A computer program product of  claim 8 , wherein the coarse and fine synchronization are performed in time domain. 
     
     
         10 . A computer program product of  claim 7 , wherein a duration of the single pseudorandom binary sequence is at least two symbols. 
     
     
         11 . A computer program product of  claim 7 , wherein the pseudorandom sequence is a Gold code. 
     
     
         12 . A computer program product according to  claim 7 , wherein the multi-carrier receiver operates in accordance with orthogonal frequency division multiplexing (OFDM) principles. 
     
     
         13 . The computer program product of  claim 7 , wherein the program code comprises instructions in a hardware description language. 
     
     
         14 . The computer program product of  claim 13 , wherein the instructions, when executed, configure a manufacturing process to manufacture a processor adapted to determine a location of said scatter pilot carriers and perform said phase error correction. 
     
     
         15 . The computer program product of  claim 14 , wherein said instructions are adapted to generate photomasks, said photomasks employed to configure said manufacturing process. 
     
     
         16 . A receiver configured to operate in an orthogonal frequency division multiplexing (OFDM) system, comprising:
 a processor to determine a location of one or more scattered pilot carriers in a received symbol sequence;   a modulator to modulate the scattered pilot carriers in accordance with a single pseudorandom binary sequence; and   an error correction block to perform phase error correction via the modulated scattered pilot carriers.   
     
     
         17 . The receiver of  claim 16 , further comprising determining a location of one or more continuous pilot carriers; and
 means for performing coarse and fine synchronization using the continuous pilot carriers.   
     
     
         18 . The receiver of  claim 17 , wherein the coarse and fine synchronization are performed in time domain. 
     
     
         19 . The receiver of  claim 16 , wherein a duration of the single pseudorandom binary sequence is at least two symbols.