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- Non-access_stratum abstract "Non-access stratum (NAS) is a functional layer in the UMTS and LTE wireless telecom protocol stacks between the core network and user equipment. This layer is used to manage the establishment of communication sessions and for maintaining continuous communications with the user equipment as it moves. The NAS is defined in contrast to the Access Stratum which is responsible for carrying information over the wireless portion of the network.A further description of NAS is that it is a protocol for messages passed between the User Equipment, also known as mobiles, and Core Nodes (e.g. Mobile Switching Center, Serving GPRS Support Node, or Mobility Management Entity) that is passed transparently through the radio network. Examples of NAS messages include Update or Attach messages, Authentication Messages, Service Requests and so forth. Once the User Equipment (UE) establishes a radio connection, the UE uses the radio connection to communicate with the core nodes to coordinate service. The distinction is that the Access Stratum is for dialogue explicitly between the mobile equipment and the radio network and the NAS is for dialogue between the mobile equipment and core network nodes. For LTE, the Technical Standard for NAS is 3GPP TS 24.301.+- – - – - -+ +- – - – - – -+| HTTP | | Application |+- – - – - -+ +- – - – - – -+| TCP | | Transport |+- – - – - -+ +- – - – - – -+| IP | | Internet |+- – - – - -+ +- – - – - – -+| NAS | | Network |+- – - – - -+ +- – - – - – -+| AS | | Link |+- – - – - -+ +- – - – - – -+| Channels | | Physical | +- – - – - -+ +- – - – - – -+".
- Non-access_stratum wikiPageExternalLink 24301.htm.
- Non-access_stratum wikiPageID "486468".
- Non-access_stratum wikiPageRevisionID "601306375".
- Non-access_stratum hasPhotoCollection Non-access_stratum.
- Non-access_stratum subject Category:Mobile_technology.
- Non-access_stratum subject Category:Network_protocols.
- Non-access_stratum type Abstraction100002137.
- Non-access_stratum type Communication100033020.
- Non-access_stratum type Direction106786629.
- Non-access_stratum type Message106598915.
- Non-access_stratum type NetworkProtocols.
- Non-access_stratum type Protocol106665108.
- Non-access_stratum type Rule106652242.
- Non-access_stratum comment "Non-access stratum (NAS) is a functional layer in the UMTS and LTE wireless telecom protocol stacks between the core network and user equipment. This layer is used to manage the establishment of communication sessions and for maintaining continuous communications with the user equipment as it moves.".
- Non-access_stratum label "Non-access stratum".
- Non-access_stratum label "非接入层".
- Non-access_stratum sameAs Non_Access_Stratum.
- Non-access_stratum sameAs m.02g93b.
- Non-access_stratum sameAs Q6271108.
- Non-access_stratum sameAs Q6271108.
- Non-access_stratum sameAs Non-access_stratum.
- Non-access_stratum wasDerivedFrom Non-access_stratum?oldid=601306375.
- Non-access_stratum isPrimaryTopicOf Non-access_stratum.