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laforge, 08/19/2017 10:15 AM
Overall Roadmap¶
This is the general direction in which we would like the Osmocom
Cellular Infrastructure projects to move. None of this will of course
happen
without significant contribution and/or funding:
BTS¶
- more systematic generation + reporting of alarms over Abis OML #1615
- communication of BTS specific capabilities/features towards BSC (via Abis extension) to avoid BTS/BSC config mismatches #1614
BSC¶
- BSC/MSC split: Real A interface with BSSAP/BSSMAP between MSC and BSC
- Support of 3GPP A-over-IP in addition to current non-standard IPA
- multiplex / SCCPlite
- Alarm handling
- generation of Alarms inside the BSC
- aggregation/forwarding of Alarms received from Abis
- reporting of alarms via control interface·
- control interface / SNMP proxy for alarm -> trap conversion #1590
- Move all media processing (TRAU frames, RTP) to separate MGW daemon, controlled via MGCP #61
- late assignment instead of very early assignment #1778
- A5/3 support #75 (BTS supports it, we just need to enable it based on MS capability)
Core Network¶
- BSC/MSC split: Real A interface with BSSAP/BSSMAP between MSC and BSC #1594
- externalize the HLR+AUC from the NITB (osmo-gsup-hlr) #1711, #1591, #1592, #30,
- support for UMTS AKA over GERAN #1711
- support of SMS delivery via GPRS #1587
- support of combined CS/PS attach (2G and 3G) #1599 #1583
- support of inter-BSC hand-over (after BSC/MSC split) #1609
- support of inter-MSC hand-over (after HLR+AUC externalization)
- Real A interface (MTP2/MTP3/SCCP)
- Move all media processing (TRAU frames, RTP) to separate MGW daemon, controlled via MGCP
- Local Call, Local Switching #1602
- External interface to HLR #1643
- External interface for USSD #1597
- Generation of accounting/billing data #1596
SIP Interface (osmo-sip-connector¶
3G/3.5G related¶
- Iu-CS and Iu-PS interface over M3UA (as specified in 3GPP), not just SUA (current implementation) #1595, #1589
- test/validate mobility between multiple hNodeB/smallcells
- hand-over between multiple hNodeB/smallcells
- Iu-CS/Iu-PS validation against RNCs
- Iuh validation against more hNodeB/smallcell vendors
- inter-RAT mobility (2G <-> 3G) #1588
- network with simultaneous 2G and 3G/3.5G cells
PCU¶
- more complete EGPRS implementation for uplink and downlink
- multi-slot uplink support
- PTCCH support (TA loop for fast moving MS) #1526, #1545
- closed loop power control #1546
- EC-GSM-IoT support #1780
Build and Test infrastructure¶
- more mature osmo-gsm-tester setup
- have osmo-gsm-tester do full end-to-end regression testing on every
commit or every night - develop test cases for MO-Call, MT-Call, Hold/Retrieve, USSD,
SMS-in-Call, hand-over, etc. - not only functional testing, but performance testing (time to deliver
N SMS) - GPRS/EGPRS testing
- (single-MS ul/dl throughput, multi-MS ul/dl throughput) #1544
- mobility between different BTS/PCUs
- testing against different modems (different baseband processr,
protocol stack)
- have osmo-gsm-tester do full end-to-end regression testing on every
Libraries/Infrastructure¶
- VTYv2: Externalize VTY + config management #1601 #1613 #1600
- shared daemon that manages a MIB and offers VTY + control interface
to access that MIB - individual programs just access that config daemon via well-defined
API - preferably with transactions, roll-back
- avoid hand-written code for parsing individual VTY commands
- avoid duplicate code for VTY + Control interface
- shared daemon that manages a MIB and offers VTY + control interface
Documentation¶
- provide one conscise set of tutorials/howto's as opposed to fragmented and duplicated, outdated information in wiki #1719
- regularly update user manuals and reference manuals
Updated by laforge over 6 years ago · 9 revisions