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This is an implementation of Packet Control Unit (PCU) according to TS 04.60
The PCU is part of BSS, so it connects directly to SGSN.
The performance tests are done with following commit versions of osmo
components
libosmocore: b897c4299329688bb0aba6e32cd10b361bda1dee
osmo-bts: 99642656a067c2e16a1b2f1e5eb34529564c584d
libosmo-abis: 085ab0bb9ce99693e8b06acf721cf415abc08cf0
openbsc : 2ebacce4fa5ab8f3be42967033644739d78c80bf
Ggsn : 86540de7f37d841b9a45cc6c67a68f714c1866dc
Libosmo-netif : 3583bc4f030b1b4bb637d17e4ca8a61b19bcfb58
== Current limitations ==
* No PFC support
* No fixed allocation support
* No extended dynamic allocation support
* No unacknowledged mode operation
* No PCCCH/PBCCH support
* Only single slot assignment on uplink direction
* No half-duplex class support (only semi-duplex)
* No handover support
* No measurement support
* No TA loop
* No power loop
* No CS loop
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