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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If this is not the case, i. To facilitate this, the network may configure the UE to perform measurement reporting possibly including the configuration of measurement gaps. Mathematical function used to ’round down’ i. The UE acquires the detailed time-domain scheduling and other information, e. UEs may use systemInfoValueTag, e. A structural element containing a single or multiple fields is referred as information element.
Segmentation can be applied for the delivery of a secondary notification.
The segmentation is fixed for transmission of a given CMAS notification within a cell i. The RRC messages to activate security command and successful response are integrity protected, while ciphering is started only after completion of the procedure.
www.3gpp.org – /ftp/specs/archive/36_series/36.331/
Although the UE may be informed about changes in system information, no further details are provided e. In the case of a reference to a 3GPP document including a GSM documenta non-specific reference implicitly refers to the latest version of that 3fpp in the same Release as the present document. RRC integrity and ciphering are always activated together, i. The source eNB transparently i.
In addition sub-clause 5. RRC handles the configuration of the security parameters which are part of the AS configuration: Performs logging of available measurements together with location and time for logged measurement configured UEs. The measured quantities are filtered by the L3 filter as configured in the mobility measurement configuration. The UE may apply above failure handling also in case the RRCConnectionReconfiguration message causes a protocol error for which the generic error handling as defined in 5.
This specification is organised as follows: The number of warning messages that a UE can re-assemble simultaneously is a function of UE implementation. Upon initiation of the procedure, the UE shall: Security mode command, failure The purpose of this procedure is to activate AS security upon RRC connection establishment. If the UE is unable to comply with part of the configuration, it does not apply any part of the configuration, i.
For a specific reference, subsequent revisions do not apply. The network may also initiate handover blindly, i. The source eNB may also provide the target eNB with a list of best cells on each frequency for which measurement information is available, in order of decreasing RSRP. 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.
Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: The integrity and ciphering of the RRC message used to perform handover is based on the security configuration used prior to the handover and is performed by the source eNB.
Unless explicitly stated otherwise in the procedural specification, the system information acquisition procedure overwrites any stored system information, i.
The source eNB selects the target PCell. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 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.
If the conditions for cell re-selection are fulfilled, the UE shall perform cell re-selection as specified in 5. Commercial Mobile Alert System: The SystemInformationBlockType1 uses a fixed schedule with a periodicity of 80 ms and repetitions made within 80 ms.
The UE may discard SRB2 messages and data that it receives prior to completing the reconfiguration used to resume these 3ggpp. Neither integrity protection nor ciphering applies for SRB0. SCells are used to provide additional downlink and optionally uplink radio resources. 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.
Release 10 AS feature handling The network triggers the handover procedure e.
Following T expiry any dedicated preamble, if provided within the rach-ConfigDedicated, is not available for use by the UE anymore. That is, the response to the message used to activate security is not ciphered, while the subsequent messages e.
Upon connection establishment new AS keys are derived. Radio configuration is not just the resource configuration but includes other configurations like MeasConfig and OtherConfig. Only in exceptional cases, as specified within this specification, TS 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. The SI messages are transmitted within periodically occurring time domain windows referred to as SI-windows using dynamic scheduling.
The AS applies three different security keys: