TPS decoder in an orthogonal frequency division multiplexing receiver

1. A receiver comprising:

an A/D converter for converting received analog signals to a digital signal data stream;

an Orthogonal Frequency Division Multiplexing (OFDM) demodulator for producing a set of complex I and Q components of subcarriers from the digital signal data stream;

a CSI estimator for estimating Channel State Information (CSI) from the sets of complex I and Q components; and

a TPS decoder for decoding Transmission Parameter Signaling (TPS) data from the sets of complex I and Q components using the CSI.

2. The receiver according to claim 1 , including a Viterbi decoder for decoding the sets of complex I and Q components using the CSI.

3. The receiver according to claim 1 , wherein the receiver is a digital video broadcasting receiver.

4. The receiver according to claim 1 , a processor programmed to operate as the OFDM demodulator, the CSI estimator and the TPS decoder.

5. A method of decoding Transmission Parameter Signaling (TPS) data in a receiver, comprising:

estimating Channel State Information (CSI) from the sets of complex I and Q components of subcarriers of a Orthogonal Frequency Division Multiplexing (OFDM) signal demodulated in the receiver; and

decoding TPS data in the sets of complex I and Q components of subcarriers using the CSI.

6. The method according to claim 5 , including Viterbi decoding the sets of complex I and Q components using the CSI.

7. The receiver according to claim 1 , including a SNR stage providing an input to the CSI estimator.

8. The receiver according to claim 1 , wherein the CSI estimator provides the CSI as a function of the I and Q components' quality.

9. The method according to claim 5 , including determining quality of the I and Q components' and using the component quality in the CSI estimating.

10. The method according to claim after claim 5 , wherein the CSI estimating is a function of the I and Q components' quality.