From cec90c77924e749911ccba6abdd0e4a32b9904e1 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 25 Apr 2017 15:06:40 +0200 Subject: osmocon slides update --- 2017/bts_hardware-osmocon2017/bts_hardware.html | 4270 +++++++++++++++++++++++ 1 file changed, 4270 insertions(+) create mode 100644 2017/bts_hardware-osmocon2017/bts_hardware.html (limited to '2017/bts_hardware-osmocon2017') diff --git a/2017/bts_hardware-osmocon2017/bts_hardware.html b/2017/bts_hardware-osmocon2017/bts_hardware.html new file mode 100644 index 0000000..5f0643f --- /dev/null +++ b/2017/bts_hardware-osmocon2017/bts_hardware.html @@ -0,0 +1,4270 @@ + + + + +Osmocom BTS Hardware Support + + + + + + + + +
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Overview

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+bts_hardware__1.png +
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Clasic E1/T1 based BTS

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Supported Vendors/Dialects

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    +
  • + +Siemens (only BS-11 tested) + +
    • +
  • + +Ericsson RBS2xxx (RBS2307, 2308, 2111 tested) + +
    • +
  • + +Nokia InSite, MetroSite + +
    • +
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+ +++ + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ProCon

available inexpensively from decomissioned sites

appears a bit antiquated

up to 12 TRX

not many people familiar with E1/T1 anymore

high RF output power

no convenient testing/debugging of E1/T1 issues

rugged mechanical build, high MTTF

high power consumption

older models no EGPRS, no AMR

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Classic E1/T1 based BTS

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+images/har2009-bs11_at_tree.jpg +
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Clasic E1/T1 based BTS

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+images/har2009-bs11_antennas2.small.jpg +
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    +
  • + +This is how it all started + +
    • +
  • + +E1 based BTS (Siemens BS-11) + +
    • +
  • + +HAR 2009 - Dutch Hacker Camp + +
    • +
  • + +Antennas mounted with duct tape to tree + +
    • +
  • + +E1 back-haul over CAT5 to OpenBSC running in tent + +
    • +
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Ericsson RBS 2308

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+images/rbs2308.jpg +
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  • + +Many RBS2000 models + +
    • +
  • + +All very similar on protocol + +
    • +
  • + +Not all models tested + +
    • +
  • + +Good results with RBS2308 + RBS2111 + +
    • +
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ip.access nanoBTS

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+images/nanoBTS_small.png +
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  • + +PoE-enabled single-TRX 200mW indoor BTS + +
    • +
  • + +GPRS/GSM only models and EGPRS-enabled models + +
    • +
  • + +available in band-specific versions for all four bands + +
    • +
  • + +proprietary BTS and PCU inside + +
      +
    • + +lots of PCU crashes reported by users :( + +
      • +
    • + +no way for us to fix it + +
      • +
    +
    • +
  • + +No fully dynamic channels (TCH/F + TCH/H + PDCH) + +
    • +
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sysmoBTS

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+images/symoBTS_v2D_front_1024.jpg +
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  • + +sysmocom builds family of GSM BTS based on OsmoBTS + OsmoPCU + +
    • +
  • + +revenue from this sales used to cross-subsidize OsmoBTS development + +
    • +
  • + +osmo-bts-sysmo uses shared-memory /dev to talk to PHY + +
    • +
  • + +osmo-pcu uses shared-memory /dev to talk to PHY + +
    • +
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+ +++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Model RF Pwr TRXOutdoorPoE Quad-Band

sysmoBTS 1002

0.2 W

1

No

No

Yes

sysmoBTS 1002 OD

0.2 W

1

Yes

Yes

Yes

sysmoBTS 1020

2.0 W

1

Yes

Yes

No

sysmoBTS 1100

10.0 W

1

Yes

No

No

sysmoBTS 2050

2x 5 W

2

Yes

No

No

sysmoBTS 2100

2x10 W

2

Yes

No

No

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Nuran LiteCell 1.5

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+images/litecell15.jpg +
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    +
  • + +10W 2-TRX Outdoor BTS + +
    • +
  • + +osmo-bts-litecell15 uses shared-memory /dev to talk to PHY + +
    • +
  • + +osmo-pcu uses shared-memory /dev to talk to PHY + +
    • +
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Octasic OCTBTS with OCTPHY-2G

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+images/octbts_3600_photo__large.png +
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  • + +not a ready-to-deploy BTS product, more a BTS development board + +
      +
    • + +no enclosure, no PA, no filters + +
      • +
    +
    • +
  • + +proprietary PHY runs in Octasic DSP + +
      +
    • + +raw Ethernet frames towards osmo-bts-octphy + +
      • +
    • + +unix domain pcu-socket to osmo-pcu + +
      • +
    +
    • +
  • + +series of different board models (3000, 3500, 3600) with different + number of DSPs, radio interfaces, ARM/x86 processor core + +
    • +
  • + +two TRX per DSP possible + +
    • +
  • + +not all voice codecs supported + +
    • +
  • + +EGRPS integration with OsmoPCU not working yet + +
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EOF

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