Timeline for Barker Sequence for QPSK
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 17, 2013 at 13:04 | vote | accept | Leo | ||
| Jul 16, 2013 at 20:47 | answer | added | Dilip Sarwate | timeline score: 4 | |
| Jul 16, 2013 at 20:45 | comment | added | Leo | @DilipSarwate funny that you would mention the post on comp.dsp because I'm the one who posted it! Anyway thanks for all the usefull information. You should put it as an answer so I can accept it. | |
| Jul 16, 2013 at 19:11 | comment | added | Dilip Sarwate | Yes, that is what is I meant, and in fact, it is best to use the same binary Barker sequence on both channels so that you get BPSK during the synchronization phase. See, for example, a note on by Eric Jacobsen on comp.dsp which is also considering this topic right now. | |
| Jul 16, 2013 at 15:27 | comment | added | Leo | @DilipSarwate when you say binary Barker sequences on the I and Q channels you mean one on the I channel and one on the Q channel? | |
| Jul 16, 2013 at 13:08 | comment | added | Dilip Sarwate | Polyphase Barker sequences have been studied (Google throws up multiple hits), but from a practical viewpoint, it is usually simpler to use binary Barker sequences on the I and Q channels. | |
| Jul 16, 2013 at 8:15 | history | asked | Leo | CC BY-SA 3.0 |