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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The source eNB transparently i.
RRC handles the configuration of the security parameters which are part of the AS configuration: Security mode command, failure The purpose of this procedure is to activate AS security upon RRC connection establishment. Upon successful completion of the handover, the UE sends a message used to confirm the handover. Although the UE may be informed about changes in system information, no further details are provided e.
RRC integrity and ciphering are never de-activated. The Organizational Partners accept no liability for any use of this Specification. Blacklisted cells are not required to be reported. The UE applies the system information 3glp and change monitoring procedures for the PCell only. Full configuration option includes an initialization of the radio configuration, which makes the procedure independent of the configuration used in the source cell s with the exception that the security algorithms are continued for the RRC re-establishment.
There may be multiple SI messages transmitted with the same periodicity. Upon connection establishment new AS keys are derived. The UE may discard SRB2 messages and data 3tpp it receives prior to completing the reconfiguration used to resume these bearers. The source eNB may 3631 provide the target eNB with a list of best cells on each frequency for which 63331 information is available, in order of decreasing RSRP. This Specification is provided for future development work within 3GPP only.
Correspondingly, the UE initially considers lists to be empty e. The source eNB may 3gp include available measurement information for the cells provided in the list. Whenever the UE shall setup or reconfigure a configuration in accordance with a field that is received it applies the new configuration, except for the cases addressed by the above statements.
The copyright and the foregoing restriction extend to reproduction in all media. System information may be transmitted a number of times with the same content within a modification period, as defined by its scheduling. The individual contents of an information element are referred as fields. The physical layer imposes a limit to the maximum size a SIB can take. NAS dedicated information transfer, UE capability transfer, sub-clause 5. Performs logging of available measurements together with location and time for logged measurement configured UEs.
In order to avoid such 3331, the 3gp may e. However, the UE only accepts a handover message when security has been activated. 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. Release 8 and 33631 AS feature handling In addition, an overflow counter mechanism is used: The PCell is used to provide the security inputs and 3631 layer system information i.
In this case, the target eNB should use the full configuration option to reconfigure the UE for Handover and Re-establishment. In 3hpp next modification period, the network transmits the updated system information. The integrity and ciphering algorithms can only be changed upon handover.
In downlink piggybacking of NAS messages is used only for one dependant i. Additionally, the UE considers stored system information to be invalid after 3 hours from the moment 3631 was successfully 3gop as valid, unless specified otherwise. Following T expiry any dedicated preamble, if provided within the rach-ConfigDedicated, is not available for use by the UE anymore. The details of the CDMA state models are out of the scope of this specification.
If no paging message is received by the UE during a modification period, the UE may assume that no change of system information will occur at the next modification period boundary. Such RN-specific aspects are not applicable to the UE. Upon initiation of the procedure, the UE shall: The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented.
The measurements are based on the time domain measurement resource restriction, if configured. The services provided by physical layer e. If the UE receives a Paging message including the systemInfoModification, it knows that the system information will change at the next modification period boundary.
www.3gpp.org – /ftp/specs/archive/36_series/36.331/
The network triggers the handover procedure e. The RRC messages to activate security command and successful response are integrity protected, while ciphering is started only after completion of the procedure. The UE shall continue cell re-selection related measurements as well as cell re-selection evaluation. The MIB includes a limited number of most essential and most frequently 3631 parameters that are needed to acquire other information from the cell, and is transmitted on BCH.