Television signal receiving device and method for determining whether channel includes television program signal
US-2015062439-A1 · Mar 5, 2015 · US
US9106498B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9106498-B2 |
| Application number | US-44888507-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 18, 2007 |
| Priority date | Jan 18, 2007 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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A method for symbol synchronization of received digital signal and a digital signal reception apparatus are provided. The method comprises steps of correlating the received digital signal with the received signal delayed by one symbol so as to obtain a first correlation value result as a combined effort of a strongest path and other paths; removing substantially effect of the strongest path from the first correlation result so as to obtain a second correlation result which exhibits contribution of a fastest path; searching a maximum correlation value and its position of the fastest path so as to determine symbol synchronization timing for initiating FFT processing. The digital signal reception apparatus is characterized by a symbol timing detecting unit for determining symbol synchronization timing of the fastest path through substantially removing the effect of a strongest path.
Opening claim text (preview).
The invention claimed is: 1. A method for a symbol synchronization of a received digital signal in a multi-path environment, comprising: correlating the received digital signal with a received signal delayed by one symbol so as to obtain a first correlation result as a combined effort of a strongest path; searching a maximum correlation value and its position of the first correlation result; removing a substantial effect of the strongest path from the first correlation result…
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