how to know GPRS channel coding

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/OpenBSC@lists.osmocom.org/.

Harald Welte laforge at gnumonks.org
Thu Oct 27 06:50:52 UTC 2011


Hi John,

On Thu, Oct 27, 2011 at 12:08:38PM +0800, John Wu wrote:
> I want to know how to know GPRS channel coding. GPRS using PDCH, both
> MAC/RLC data block and MAC/RLC control block is
> transmitted on PDCH,  although there is PACCH, PTCH, PTCCH and so on it
> still PDCH. then the MAC/RLC control block is coded
> with cs-1 channel coding scheme and MAC/RLC data block may be coded with
> other channel coding scheme. so when received a
> burst how to know what kind of MAC/RLC block it belong to and which channel
> coding scheme it used?

OpenBSC does not implement a PCU or any other GPRS feature, as it only
works with BTS that have a PCU embedded.

So far, we don't have any RLC/MAC implementation either on the network
nor the handset side.

Thus, your message is probably misdirected here.

-- 
- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
============================================================================
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)




More information about the OpenBSC mailing list