@@ -4090,6 +4124,198 @@ UpdateLocation (registration)
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Network layout (physical)
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+6 eNodeBs distributed around the camp inside select Datenklos
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+Ericsson RBS6402 with 23dBm in Band 7
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+back-haul over regular CCC Ethernet as separate VLAN
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+Stratum-0 NTP server with GPS receiver for eNB clock sync
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+built on Raspi 3B with gpsd + ntpd
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+Lenovo x240 Laptop running qemu-kvm for core network
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+runs nextepc MME, SGW, PGW
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+runs osmo_dia2gsup for translating DIAMETER to GSUP
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+Querying Camp 2G/3G OsmoHLR for subscriber data
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Radio paramters
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+Telefonica O2 has provided (borrowed) 10 MHz of spectrum in Band 7 (2600 MHz)
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+We can use it either as one channel @ 10 MHz or two chnanels @ 5 MHz
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+first four days were operated using 5 MJz channels (3 eNB on each channel)
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+last day was operated using 10 MHz channels (6 eNB on same channel)
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Results (1/2)
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+Telekom technician Peter "@33dBm" Schmidt has done some testing
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Results (2/2)
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+Telekom technician Peter "@33dBm" Schmidt has done some testing
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Thanks
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+to the Camp GSM team for operating 2G/3G
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+to Eventphone / POC for handling user registration UI and voice interconnect
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+to Sukchan Lee (@acetcom) for writing nextepc
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+to Dieter Spaar for all of his support during the past 10 years
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+to Peter Schmidt (@33dBm) for professional rive (bike ride) testing
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+to Telefonica O2 Germany for borrowing us some of their Band 7 frequencies
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