baseband-devel

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2003 discussions

Announcement of "OsmoDevCall" on May 28, 2021
by Harald Welte 27 May '21

27 May '21

Dear Osmocom community, It's my pleasure to announce the next OsmoDevCall at May 28, 2021 at 20:00 CEST at https://meeting4.franken.de/b/har-xbc-bsx-wvs This meeting will have the following schedule: 20:00 meet + greet 20:15 presentation by fixeria: "Hacking binary protocols with Pycrate" 21:00 USSE: unstructured supplementary social event [*] 22:00 close of call Attendance is free of charge and open to anyone with an interest in Osmocom. More information about OsmoDevCall, including the schedule for further upcoming events can be found at https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall Looking forward to meeting you on Friday. Best regards, Harald [*] this is how we started to call the "unstructured" part of osmocom developer conferences in the past, basically where anyone can talk about anything, no formal schedule or structure. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Announcement of "OsmoDevCall" on May 14, 2021
by Harald Welte 13 May '21

13 May '21

Dear Osmocom community, It's my pleasure to announce the next OsmoDevCall at May 14, 2021 at 20:00 CEST at https://meeting4.franken.de/b/har-xbc-bsx-wvs This meeting will have the following schedule: 20:00 meet + greet 20:15 presentation by laforge: "SS7 and SIGTRAN in 2G/3G networks" 21:00 USSE: unstructured supplementary social event [*] 22:00 close of call Presentation Abstract: This talk will cover some classic circuit-switched SS7 basics as well as SIGTRAN (SS7 over IP) and how this is used as underlying transport for a variety of interfaces in the 2G (GSM) and 3G (UMTS) cellular networks even today. Attendance is free of charge and open to anyone with an interest in Osmocom. More information about OsmoDevCall, including the schedule for further upcoming events can be found at https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall Looking forward to meeting you on Friday. Best regards, Harald [*] this is how we started to call the "unstructured" part of osmocom developer conferences in the past, basically where anyone can talk about anything, no formal schedule or structure. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Announcement of "OsmoDevCall" on April 23, 2021
by Harald Welte 18 Apr '21

18 Apr '21

Dear Osmocom community, It's my pleasure to announce the next OsmoDevCall at April 23, 2021 at 20:00 CEST at https://meeting4.franken.de/b/har-xbc-bsx-wvs This meeting will have the following schedule: 20:00 meet + greet 20:15 presentation by horiz0n: "YIG & YANG (Yet ANother yiG driver)" 21:00 USSE: unstructured supplementary social event [*] 22:00 close of call Presentation Abstract: This talk will briefly introduce the working principles of YIG (Yttrium Iron Garnet) microwave circuits, their applications and finally conclude with a presentation of a recently developed driver circuit. Attendance is free of charge and open to anyone with an interest in Osmocom. More information about OsmoDevCall, including the schedule for further upcoming events can be found at https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall Looking forward to meeting you on Friday. Best regards, Harald [*] this is how we started to call the "unstructured" part of osmocom developer conferences in the past, basically where anyone can talk about anything, no formal schedule or structure. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Announcement of "OsmoDevCall" on April 9, 2021
by Harald Welte 07 Apr '21

07 Apr '21

Dear Osmocom community, It's my pleasure to announce the next OsmoDevCall at April 9, 2021 at 20:00 CET at https://meeting4.franken.de/b/har-xbc-bsx-wvs This meeting will have the following schedule: 20:00 meet + greet 20:15 presentation: pySim-shell - the next generation of pySim 21:00 USSE: unstructured supplementary social event [*] 22:00 close of call Presentation Abstract: For more than a decade, pySim-prog has been the tool to configure/program SIM cards in research/lab/private cellular networks. Originally designed for very simplistic GSM-only SIM Cards, it was extended again and again to cover more use cases and parameters. There is a limit as to how far one can go with stuffing everything into command line arguments. In 2021, pySim-shell was created as the next generation tool. It features interactive navigation around the file system, editing capabilities, backup and restore of all [known] files, ... Attendance is free of charge and open to anyone with an interest in Osmocom. More information about OsmoDevCall, including the schedule for further upcoming events can be found at https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall Looking forward to meeting you on Friday. Best regards, Harald [*] this is how we started to call the "unstructured" part of osmocom developer conferences in the past, basically where anyone can talk about anything, no formal schedule or structure. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Unable to build layer23/src/mobile
by Babar Ali 07 Apr '21

07 Apr '21

Hi I am trying to build osmocombb on Ubuntu 18.04 with GCC-4.9 & arm-elf-gcc-4.5.2, I am getting the following error, how do I fix this issued. Making all in mobilemake[3]: Entering directory '/root/trx/src/host/layer23/src/mobile' CCLD mobilelibmobile.a(gsm322.o): In function `memset':/usr/include/x86_64-linux-gnu/bits/string_fortified.h:67: undefined reference to `__warn_memset_zero_len'collect2: error: ld returned 1 exit statusMakefile:379: recipe for target 'mobile' failedmake[3]: *** [mobile] Error 1make[3]: Leaving directory '/root/trx/src/host/layer23/src/mobile'Makefile:325: recipe for target 'all-recursive' failedmake[2]: *** [all-recursive] Error 1make[2]: Leaving directory '/root/trx/src/host/layer23/src'Makefile:350: recipe for target 'all-recursive' failedmake[1]: *** [all-recursive] Error 1make[1]: Leaving directory '/root/trx/src/host/layer23'Makefile:51: recipe for target 'layer23' failedmake: *** [layer23] Error 2 Regards Babar Ali

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osmocombb make error
by Babar Ali 04 Apr '21

04 Apr '21

Hi all, I am facing problem while compiling osmocombb on Ubuntu 18.04, i have tried libosmocore 0.9.0 / 1.1.0 but no luck, i have also tried to switch between gcc 4.9, 5, 7, all the time i have received same error, any idea to fix this issue, I have attached error log for reference, please. Regards Babar Ali

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Idea for 2021: Regular "OsmoDevCall"
by Harald Welte 25 Mar '21

25 Mar '21

Dear Osmocom community, as the pandemic continues and physical meetings are out of the question for the forseeable future, it would be a good idea to have a periodic virtual online meeting of the interested Osmocom community. I was thinking of a format where we would serve two major purposes: 1) technical talks about osmocom relevant topics - ideally current/recent developments * can be pre-recorded to avoid any problems with technical setup, streaming, ... * should ideally have a Q+A session at their initial "airing" during one OsmoDevCall 2) unstructured solicited social event (USSE) * random chat in audio (optionally video) * not recorded, obviously The recording of the technical presentation should then be permanently made available (like the presentations of our prior OsmoCon / OsmoDevCon). Not every OsmoDevCall would neccessarily need the two parts, but I think it would be great if we can make that happen. We could also have e.g. a two-weekly schedule for the USSE and a monthly schedule for the technical presentation. We'd need somebody to volunteer to "manage" the "broadcast" side of this, preferably somebody with at least some prior exposure to online events (like the c3voc). I'm using https://osmocom.org/issues/4928 to collect a tentative list of topics. Feel free to add your ideas there, as well as any comment/ feedback you may have. Regards, Harald -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Osmocom Mailing List re-organization
by Harald Welte 03 Mar '21

03 Mar '21

Dear Osmocom community, This topic has been past due for way too many years by now: A re-organization of our major mailing lists. I would like to propose the following changes. Pleas let me know if you have any comments or feedback. I'm aware that renaming will mean people have to update their mail filter rules, but I think we're long past the point where the names of some of our lists started to confuse users. == openbsc(a)lists.osmocom.org == * openbsc doesn't exist anymore since OsmoNITB, which is also obsolete * does already cover anything "Osmocom CNI" related * Proposed new name: osmocom-cni(a)lists.osmocom.org == osmocom-net-gprs(a)lists.osmocom.org == This date back to when GPRS was a highly experimental add-on to our GSM code base. This list should simply be merged with openbsc@ as osmocom-cni(a)lists.osmocom.org == simtrace(a)lists.osmocom.org == Historically was created to cover only the simtrace project. We should rename this to osmocom-simcard(a)lists.osmocom.org or something along those lines. I would like to suggest it covers * SIMtrace / SIMtrace2 hardware + firmware * pySim and related tools for working with SIM/USIM/UICC cards * any other information / discussion related to SIM/USIM/UICC cards, like OTA, ARA-M, ... == osmodevcon(a)lists.osmocom.org == This has been a private list for people attending OsmoDevCon I would like to open up list membership to the general public, and ensure it also covers the new OsmoDevCall. We could then have discussions regarding feedback, topics, scheduling, etc. on that list. Maybe rename it to osmocom-events(a)lists.osmocom.org instead? To differentiate: osmocom-event-orga(a)lists.osmocom.org should remain a private list related to organizational / administrative topics of those involved with organizing future events. == nextepc(a)lists.osmocom.org == Should have been renamed to open5gs(a)lists.osmocom.org quite some time ago, I simply forgot about it. My apologies. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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Tonight: OsmocomBBs 11th anniversary party (online, of course)
by Harald Welte 19 Feb '21

19 Feb '21

Dear Osmocom community, today marks the 11th birthday of OsmocomBB, which had originally been announced on February 19, 2010 in the following mailing list post: https://lists.osmocom.org/pipermail/baseband-devel/2010-February/000142.html As we missed to properly celebrate the 10th anniversary, I'd like to use the off-by-one occasion to invite anyone interested to a spontaneous online birthday party tonight. As the original announcement was at 19:02:04 UTC, the online meeting today will also start at 19:02:04 UTC (that's roughly 8pm CET for those of us in the EU) at https://meet.sysmocom.de/OsmocomBB (password: Calypso) I know it's very shot notice, but I still thought it's a good idea, let's see whom of the past or current developers and users will be joining. There's no structure, presentation or anything. Just some USSE (Unstructured Supplementary Social Event). Regards, Harald -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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LimeSDR output power during GSM set up
by Mario Lucas 15 Dec '20

15 Dec '20

Dear forum, I am setting / running GSM network with LimeSdr and Osmo-packgaes: osmo-bts-trx osmo-bsc osmo-hlr osmo-msc osmo-pcu osmo-stp osmo-trx-lms and as i understand the only option to vary / set up output power is through the → osmo-bsc → trx 0 nominal power 23 ! to use full TRX power, set max_power_red 0 max_power_red 20 So does this mean that 23-20=3 dbm? With this set up i instruct LimeSDRmini to transmit 3dbm signal into the air? If so — when i brought phone just into the very vicinity of LimeSDR antena (touching phone and SDR antena) on my smartphone screen i got signal -60 dbm …why did i get such a low figure ? Also if you know is there any supporting application / software that can tell at what dBm LimeSDRmini is sending RF into air? -- Mario Lucas

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