The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the. 3GPP. (j). Service accessibility. Retrieved 21 September from Home page of 3GPP technical specification groups (TSGs). /htmlinfo/htm.
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For a non-specific reference, the latest version applies. The Organizational Partners accept no liability for any use of this Specification. The UE applies the previously acquired system information until the UE acquires the new system information. If the conditions for cell re-selection are fulfilled, the UE shall perform cell re-selection as specified in 5. Although the UE may 3gpo informed about changes in system information, no further details are provided e.
The measured quantities are filtered by the L3 filter as configured in the mobility measurement configuration. A structural element containing a single or multiple fields is referred as information element. In the next modification period, the network transmits the updated system information. RRC integrity and ciphering are never de-activated.
This connection resumption succeeds only if the accessed cell is prepared, i. The PCell is used to provide the security inputs and upper layer system information i. Upon initiation of the procedure, the UE shall: 3gpl integrity and ciphering algorithms can only be changed upon handover. Segmentation can be applied for the delivery of a CMAS notification.
Additionally, the UE considers stored system information to be invalid after 3 hours from the moment it was successfully confirmed as valid, unless specified otherwise. At each point in time, the UE keeps a single value for each field except for during handover when the UE temporarily stores the previous configuration so it can revert back upon handover failure.
The additional information is used to verify whether or not the UE is authorised to access the target PCell and may also be needed to identify handover candidate cell PCI confusion i. In this case, the target eNB should use the full configuration option to reconfigure the UE 3pgp Handover and Re-establishment. For a specific reference, subsequent revisions do not apply.
In downlink piggybacking of NAS messages is used only for one dependant i.
www.3gpp.org – /ftp/specs/archive/36_series/36.331/
That is, within one SI-window only the corresponding SI is transmitted. Such RN-specific aspects are not applicable to the UE. RRC handles the configuration of the security parameters which are part of the AS configuration: The UE may apply above failure 33631 also in case the RRCConnectionReconfiguration message causes a protocol error for which the generic error handling as defined in 5.
The network triggers the handover procedure e. One UE behaviour to be performed upon handover is specified, i.
The further details are specified in TS However, the UE needs to perform system information acquisition upon cell re-selection. Paging The purpose of this procedure is: The RRC messages to activate security command and successful response are integrity protected, while ciphering is started only after completion of the procedure. In order to avoid such re-use, the eNB may e. RRC integrity and ciphering are always activated together, i.
The segmentation is fixed for transmission of a given CMAS notification within a cell i.
To facilitate this, the network may configure the UE to perform measurement reporting possibly including the configuration of measurement gaps. The cell in which the re-establishment procedure succeeds becomes the PCell while SCells, if configured, are released.
The services provided by Radio Link Control layer e. The segmentation is fixed for transmission of a given secondary notification within a cell i. Normal measurement and mobility procedures are used to support handover to cells broadcasting a CSG identity. For further details see TS Before sending the handover message to 3631 UE, the source eNB prepares one or more target cells. If no paging message is received by the UE during a modification period, the UE may assume that no change of system information 3631 occur at the next modification 3tpp boundary.
The handling of the radio bearers after the successful completion of the PDCP re-establishment, e. Further details about the services provided by Packet Data Convergence Protocol layer e. The UE continues using the previously received system information until the new system information has been acquired. However, it is possible to switch to a ‘NULL’ ciphering algorithm eea0.
The measurements are based on the time domain measurement resource restriction, if configured. Performs logging of available measurements together with location and time for logged measurement configured UEs. Security mode command, failure The purpose of this procedure is to activate AS security upon RRC connection establishment.