Search & Lock Control

Peak Detection

Score > PSTH?

Yes

Within next symbol window (+ PSW)

Score* > PSTH ?

Yes

No

Yes

No

No

Yes

Yes

Yes

No

Yes

No

No

SL_Count = PSL

SL_Count=1

SL_Count=2

Within next symbol window (+ PSW)

Highest Score Symbol = “000” ?

SL_Count=PSL-1

SL_Count=PSL+1

SL_Count=PSL

SL_Count=1

No

No

SL_Count=DLL-1

Preamble

found

Start

preamble

search

Yes

SL_Count=PSL-1

Expand data correlation chip

window to + DLW.

SL_Count = DLL

* Output of the parallel correlator

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