Current configuration is downloaded from OMC to BSC which then controls the use of the radio channels TDMA time slots for BCCHCCCH TCHs SDCCHs etc. Trunk capacity are the E1s or T1s connected from the BTS to the BSC could be another limitation for question 1.
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Introduction To Nokia Base Stations Bss S 10
It may result in degraded BTS performance.
Trx configuration in bts. Check that RF hopping is not used when ECxx is installed. Eine Base Transceiver Station BTS. Flexi EDGE BTS Configurations Nokia Flexi EDGE BTS.
Typically a BTS for anything other than a picocell will have several transceivers TRXs which allow it to serve several different frequencies and different sectors of the cell in the case of sectorised base stations. The number of TRX a BTS can handle depeneds in the BTS max config like 121212 for a nortel S12000 or 181818 for a s18000 but also dependes on your frequency plan. Phy 0 instance 0 bts.
Were going to install Osmo-BTS-TRX for talking to the BSC over Abis and install Osmo-TRX-LMS for talking to the SDR. Internal failure occurred during EXxx TRX module configuring. About summary refs log tree commit diff stats.
Check that RXDIVN for sector is using only one antenna. BTS configuration is determined by the traffic volume and the traffic distribution. Created IDB Ericsson BTS _RBS Model 6601 GSM900 TRX Configuration 444.
We can get the information about the rejected BTS connection attempt from the BSC terminal. Deutsch Basissendeempfängerstation ist ein Netzelement im Base Station Subsystem des digitalen GSM-MobilfunknetzesSie wird auch als GSM-Basisstation bezeichnet. Check Antenna Cabling information is defined correctly for all the connected ECxxERxx module in SCF.
About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube. Check that frequency number defined at the BSC match with the used ECxxERxx at the BTS site. - The No-combining mode for configuration up to 2 TRX for which the Wide Band Combiner is not needed therefore bypassed.
The BCF is implemented as a discrete unit or even incorporated in a TRX in compact base stations. So we know the Site-ID is 4242 we set it earlier and the BTS ID for that site is 0 so lets create a BTS. Enable RF cable autodetection RFCAD.
Tutorial BTS Nokia How To configuration Power CEL Allocation TRX SRAN About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test. Osmocom BTS-Side code Abis scheduling Andreas Eversberg. Die Entsprechung zur BTS in einem UMTS-Netz ist der Node B.
Manually defined RF cabling in SCF is incorrect as verified against BTS Configuration received from BSC. From small to large configurations Flexible capacity increase from small to very large configurations 1 to 24 TRX in 1-6 sectors under 1 BCF up to 216 TRX per site High site capacities possible even without a cabinet All dual band configurations supported ANSI and ETSI frequencies GSM 8001800 GSM 8001900 GSM 9001800. These nos are nothing but no of trx cards in each sector for example 222 is 2 trx cards in each of three sectors.
Eine BTS versorgt mindestens eine FunkzelleIn der Praxis werden meist Anlagen aufgebaut die 3 oder 6 selten aber auch 4 Funkzellen. Frequency bandchannel or BTS configuration mismatch between the BTS units and BSC configuration. A BTS is controlled by a parent BSC via the base station control function BCF.
Example Minimal configuration file ----. OsmoBTS 001100-0455 configuration saved from vty. OsmoBSC show rejected-bts Date Site ID BTS ID IP 2020-03-29 013237 4242 0 1001252.
The hopping sequences for each BTS cell is downloaded from OMC to BSC. BTS configuration is associated with the number of the TRXs and the antenna system. Those settings are stored in the OsmoBTS configuration file which commonly is stored in etcosmocomosmo-btscfg.
Each sector is equipped with at least one such stage which features very high sensitivity reception low attenuation and minimum inter-modulation products. - The Combining mode for configuration from 3 up to 4 TRX for which the Wide Band combiner is not bypassed. Revise manually defined RF cabling in SCF against the actual configuration.
After youve installed the packages Osmo-BTS-TRX will run as a daemon well stop. Required BTSTRX configuration There are some settings that have to be configured locally in the sysmoBTS as they cannot be set remotely from the BSC. 532 SDCCH Stand alone DCCH and TCH management 5321 Frequency hopping management.
Power consumption also is different for each type of BTS for NOKIAs Flexi indoor BTS running on 222 config power requiremnt will be approx 48 watts per hour typically on every BTS 48V is supplied with negative polarity. It is then the responsibility of BSC to download this information to each BTS. Apt-get install osmo-bts-trx osmo-trx-lms.
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Introduction To Nokia Base Stations Bss S 10
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