Orthogonal frequency division multiplexing transmitter with modified pseudo-random noise sequence and inserted code element

Orthogonal frequency division multiplexing transmitter with modified pseudo-random noise sequence and inserted code element

  • CN 101,257,476 A
  • Filed: 11/06/2002
  • Published: 09/03/2008
  • Est. Priority Date: 06/17/2002
  • Status: Active Application
First Claim
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1. , a kind of OFDM receiving system that is used to receive from the broadcast singal of transmitting terminal transmission comprises:

  • Receiving element is used to receive the broadcast singal with PN sequence, and described PN sequence has preamble or postamble;

    Lock unit is used for by using PN sequence and preamble or postamble to carry out symbol timing and Frequency Synchronization;

    Demodulating unit is used for demodulation by synchronous broadcast singal.

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