Hi.

The number of blocks reserved for access grant channel is determined by BS-AG-BLKS-RES sent by BSC in SI3: see 3GPP TS 44.018 Table 10.5.2.11.1.

In case of sysmobts and lc15 it's used as lch_par->agch.u8NbrOfAgch.

Unfortunately, I'm unable to find appropriate counterpart for scheduler.c/osmo-bts-trx. Any ideas as to how can we apply BS-AG-BLKS-RES to osmo-bts-trx (and, of course test that the proper setting was indeed applied) would be appreciated.