From f9eef0ce3eaa24e9e448d2a81d9a3958a05e077b Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Fri, 17 Mar 2017 17:36:54 +0100 Subject: [PATCH] README: update some of the limitations Change-Id: Ifec983e02ce517d4fe17d595b65312c53b0429b7 --- README.md | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index a5bf9fdae..43c27b260 100644 --- a/README.md +++ b/README.md @@ -77,7 +77,7 @@ https://gerrit.osmocom.org/#/q/project:osmo-bts+status:open Known Limitations ================= -As of August 20, 2015, the following known limitations exist in this +As of March 17, 2017, the following known limitations exist in this implementation: Common Core @@ -86,8 +86,6 @@ Common Core * No Extended BCCH support * System Information limited to 1,2,2bis,2ter,2quater,3,4,5,6,9,13 * No RATSCCH in AMR - * No OML (TS 12.21) alarms yet (temperature, ...) - * Only single-TRX BTS at this point * Will reject TS 12.21 STARTING TIME in SET BTS ATTR / SET CHAN ATTR * No support for frequency hopping * No reporting of interference levels as part of TS 08.58 RF RES IND @@ -106,6 +104,24 @@ osmo-bts-sysmo * No multi-TRX support yet, though hardware+L1 support stacking * Makes no use of 12.21 Intave Parameters and Interference Level Boundaries - * Doesn't yet include MAC address in Abis/IP Identity message * MphConfig.CNF can be returned to the wrong callback. E.g. with Tx Power and ciphering. The dispatch should take a look at the hLayer3. + +osmo-bts-octphy +--------------- + + * No support of EFR, HR voice codec (lack of PHY support?) + * No re-transmission of PHY primitives in case of time-out + * Link Quality / Measurement processing incomplete + * impossible to modify encryption parameters using RSL MODE MODIFY + * no clear indication of nominal transmit power, various power related + computations are likely off + * no OML attribute validation during bts_model_check_oml() + +osmo-bts-trx +------------ + + * TCH/F_PDCH cannel not working as voice (https://osmocom.org/issues/1865) + * No BER value delivered to OsmoPCU (https://osmocom.org/issues/1855) + * No 11bit RACH support (https://osmocom.org/issues/1854) + * No CBCH support (https://osmocom.org/issues/1617)