A change from routing area to routing area (called a "Routing Area Update") is done in an almost identical way to a change from location area to location area. The main differences are that the "Serving GPRS Support Node" (SGSN) is the element involved. Sep 1, 2015 · Deletes any Routing Area Identifier (RAI), Packet Temporary Mobile Subscriber Identity (P-TMSI), P-TMSI signature, and General Packet Radio Service (GPRS) ciphering key sequence numbers that are stored. Sets the GPRS update status to GU3 ROAMING NOT ALLOWED, resets the GPRS attach attempt counter, and changes to state GMMDEREGISTERED. Release 9 3GPP 5 3GPP TS 23.236 V9.0.0 (2009-12) Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP).A method, device and system for updating routing area identifier are provided by the embodiments of the present invention. The update method comprises that an access network device constructs a first routing area identifier update message including a ground routing area identifier; said access network device sends said first routing area identifier update message to the user equipment, so that ... Aug 29, 2009 · Tracking Area is the area/cell being tracked by an eNB. TAI change may indicate a change in eNB. Routing Area is the area/cells tracked by a SGW. So a SGW can track multiple tracking areas. The title of the post is little confusing. I say Tracking area update with SGW change and also say tracking area is taken care by eNB. Feb 23, 2010 · d) when the UE performs an intersystem change from A/Gb or Iu mode to S1 mode and the UE previously performed a location area update procedure or a combined routing area update procedure in A/Gb or Iu mode, in order to re-establish the SGs association. In this case the EPS update type IE shall be set to "combined TA/LA updating with IMSI attach"; Upon expiry of the periodic RA update timer, the MS shall start a periodic routeing area update procedure. —————— and also 24.008 ————————-4.7.5.1 Periodic routing area updating is used to periodically notify the availability of the MS to the network. The value of the update type IE in the ROUTING AREA UPDATE REQUEST ...Tracking Area is the area/cell being tracked by an eNB. TAI change may indicate a change in eNB. Routing Area is the area/cells tracked by a SGW. So a SGW can track multiple tracking areas. The title of the post is little confusing. I say Tracking area update with SGW change and also say tracking area is taken care by eNB.LAI consists of the PLMN, in addition to the Location Area Code 'LAC'. RAI. RAI is the identifier of every Routing Area 'RA'. Routing Area Identifier. RAC refers to Routing Area Code, and it uniquely identifies every RA inside the LA. The Routing Area Identifier 'RAI', globally identifies every RA.The Mobility Management Entity (MME) in the LTE network requires updates to support the SGs interface connecting it to the Mobile Switching Center (MSC) in UMTS for combined registration and paging processing of CS domain services [1, 6]. The S3 interface connecting the MME with the Serving GPRS Support Node ABSTRACTThr Routing Area Update Procedure occurs when the MS moves between different Routing Areas (RAs). The MS will trigger this procedure when it detects that the RAI sent from the network is different than the RAI exists in its own memory. Types of Routing Area Update 'RAU' Routing Area Update 'RAU' types Learn Mobile Packet Core Network in 5 Hours.Periodic RA update timer or Periodic Routing Area Update Timer is T3312. T3312 is used to send RAU message periodically. Value of this timer is set based on the value received in the ATTACH ACCEPT and/or ROUTING AREA UPDATE ACCEPT message. Normally, values are sent in the Decihours. 1 Decihours = 6 mins.Tracking Area is the area/cell being tracked by an eNB. TAI change may indicate a change in eNB. Routing Area is the area/cells tracked by a SGW. So a SGW can track multiple tracking areas. The title of the post is little confusing. I say Tracking area update with SGW change and also say tracking area is taken care by eNB.The present invention belongs to communication field, and discloses a routing area update method of serving GPRS support node which ensures GGSN can be informed in time when user access network changes, and guarantees that service related to GGSN can normally operate and charging bill is correct.In the right side of the figure are a Tracking Area Identifier (TAI) and a Tracking Area Code (TAC). A TAC is the unique code that each operator assigns to each of their TAs (e.g. TA1=0x0001 for A neighborhood, TA2=0x0002 for B neighborhood, etc.). A TAI consists of a PLMN ID and a TAC. Here, a PLMN ID, a combination of a Mobile Country Code ... The present invention relates to a method for routing area (RA) update request messages which in accordance with a time period broadcasted from the network are periodically sent from an MS (Mobile Station) to an SGSN (Serving GPRS Support Node) through a BSS (Base Station System), which SGSN supports GPRS (General Packet Radio Service), and which as a result of a routing area update procedure ...This is a NAS message which is sent to UE when the UE is not allowed to register to the specific network or a specific Location Area. Network send this message when a UE tries to camp on the PLMN (usually VPLMN) which is not allowed for the UE. When it recieves, UE has to do following steps. UE has to remove this PLMN from 'forbidden LPLMN ... RAU Routing Area Update A GPRS mobile will perform a Routing Area Update in the Ready and Standby state. The RAU is triggered when the mobile crosses a RA (Routing Area) boundary, or periodically. The time interval being set by the network. A RAU is also performed when the mobile moves from the Idle to the Standby state.A change from routing area to routing area (called a "Routing Area Update") is done in an almost identical way to a change from location area to location area. The main differences are that the "Serving GPRS Support Node" (SGSN) is the element involved.Feb 23, 2010 · d) when the UE performs an intersystem change from A/Gb or Iu mode to S1 mode and the UE previously performed a location area update procedure or a combined routing area update procedure in A/Gb or Iu mode, in order to re-establish the SGs association. In this case the EPS update type IE shall be set to "combined TA/LA updating with IMSI attach"; The present invention relates to a method for routing area (RA) update request messages which in accordance with a time period broadcasted from the network are periodically sent from an MS (Mobile Station) to an SGSN (Serving GPRS Support Node) through a BSS (Base Station System), which SGSN supports GPRS (General Packet Radio Service), and which as a result of a routing area update procedure ...Display Filter Reference: Routing Information Protocol. Protocol field name: rip Versions: 1.0.0 to 4.0.8 Back to Display Filter Reference The Mobility Management Entity (MME) in the LTE network requires updates to support the SGs interface connecting it to the Mobile Switching Center (MSC) in UMTS for combined registration and paging processing of CS domain services [1, 6]. The S3 interface connecting the MME with the Serving GPRS Support Node ABSTRACT Aug 29, 2009 · Tracking Area is the area/cell being tracked by an eNB. TAI change may indicate a change in eNB. Routing Area is the area/cells tracked by a SGW. So a SGW can track multiple tracking areas. The title of the post is little confusing. I say Tracking area update with SGW change and also say tracking area is taken care by eNB. ridgewood bbq
A method for handling a Routing Area Update procedure for a network in a wireless communication system is disclosed. The method comprises receiving a detach request message from a network when the RAU procedure is ongoing; not aborting the RAU procedure when the detach request message is received; and concurrently proceeding with the RAU procedure and a detach procedure corresponding to the ...2.8. Location area update and routing area update. 3GPP definition. In Cellular networks each base station covers a small geographical area which is part of a uniquely identified location area. By integrating the coverage of each of these base stations, a cellular network provides radio coverage over a much wider area.May 10, 2017 · Routing Area Update after IETF 98. Alia Atlas Routing Area Director. Alvaro Retana Routing Area Director. Deborah Brungard Routing Area Director. 10 May 2017. As Routing Area Directors, we have now made it a habit to share some of our thoughts after each IETF meeting. This is a short summary of some of the highlights from the recent one in Chicago. Jan 21, 2015 · A "location area" is a set eNodeB that are grouped together to optimise signalling. To each location area, a unique number called a "location area code" is assigned. The location area code is broadcast by each eNodeB at regular intervals. Tracking area The tracking area is the LTE counterpart of the location area and routing area. What is the abbreviation for Routing Area Update? What does RAU stand for? RAU abbreviation stands for Routing Area Update.Jan 8, 2005 · Hi, I have a typical problem in a Siemens BSS. I found recently in a drive test, that everytime a call is terminated, the phone makes a "Routing Area Update", even though the RAC is not actually changing. This raises two questions. 1. Is there any parameter which causes this to happen ( there must … Continue reading "Routing Area (RAC ) Update" Apr 3, 2012 · If P-TMSI was included in the Routing Area Update Accept message, the UE acknowledges the new P-TMSI by returning a Routing Area Update Complete message to the SGSN. Step 20. For Iu-mode, if the UE has uplink data or signalling pending it shall send a Service Request (P-TMSI, CKSN, Service Type) message to the new SGSN. The inter-SGSN routing update is the most complicated routing update. The MS changes from one SGSN area to another, and it must establish a new connection to a new SGSN. This means creating a new logical link context between the MS and the new SGSN and informing the GGSN about the new location of the MS.5GS registration type. The 5GS registration type parameter in the Registration Request message enables the 5G core network to identify the type of registration that the mobile device is requesting, and to initiate the appropriate registration procedure. 5GS registration type value (3bits) 1=initial registration. spooky milk life
Glossary:Routing area (RA) The routing area, abbreviated as RA, is the counterpart of the location area (LA) in packet-switched (PA) networks. The RA is usually a smaller area compared to the LA because using multimedia services requires more frequent paging messages. Reducing the area that needs to be paged helps to lower the number of paging ...A Report after IETF 95 (Buenos Aires) IETF Routing Area Update Alvaro Retana ([email protected]) Distinguished Engineer, Cisco Services Routing Area Director, IETFA routing area update is then performed ( 16 ) when one or more of the conditions are present and when, depending on the embodiment, either the remote unit is determined to be within the edge portion of the routing area or the remote unit is determined to be within the end portion of the routing area update interval.In the right side of the figure are a Tracking Area Identifier (TAI) and a Tracking Area Code (TAC). A TAC is the unique code that each operator assigns to each of their TAs (e.g. TA1=0x0001 for A neighborhood, TA2=0x0002 for B neighborhood, etc.). A TAI consists of a PLMN ID and a TAC. Here, a PLMN ID, a combination of a Mobile Country Code ... The SGSN uses cell update procedures, location reporting procedures, and routing area update (RAU) procedures to identify changes in the serving cell (2G), or in the service area (3G), or in the routing area respectively to identify location changes.The packet radio network transmits data to the mobile station via a first support node. The mobile station sends a routing area update message to a second support node, which sends to the first support node a request for context data of the mobile station from the first support node. The support node and the program carrier performing the routing area update are also described. A method of transmitting data in a packet radio network to a mobile station (MS) performing a routing area update and wherein the network comprises at least a first support node (SGSN1) and a second support node (SGSN2). A method of transmitting data in a packet radio network to a mobile station (MS) performing a routing area update and wherein the network comprises at least a first support node (SGSN1) and a second support node (SGSN2). The first support node relays data from the packet radio network to the mobile station.10) If the Routing Area Update Type indicates the Combined Routing Area Update with IMSI Attach or if the location area changes, the association between the SGSN and the VLR must be established. The new SGSN sends the Location Update Request message (with the new RAI, IMSI, SGSN number and Routing Area Update Type) to the VLR.The packet radio network transmits data to the mobile station via a first support node. The mobile station sends a routing area update message to a second support node, which sends to the first support node a request for context data of the mobile station from the first support node.Jun 22, 2017 · Tracking Area Code (TAC) Tracking Area Identity (TAI) Tha Tracking Area Code identifies the tracking area within a particular network and if we combine the TAC with PLMN-ID then we will get the globally unique Tracking Area Identity. TAI = PLMN-ID + TAC. The Tracking Area Code has a range of 0 to 65536. Tracking Area Update. seword
The present invention relates to a method for routing area (RA) update request messages which in accordance with a time period broadcasted from the network are periodically sent from an MS (Mobile Station) to an SGSN (Serving GPRS Support Node) through a BSS (Base Station System), which SGSN supports GPRS (General Packet Radio Service), and which as a result of a routing area update procedure ...A method and apparatus for supporting routing area update procedures in a single tunnel general packet radio services (GPRS)-based wireless communication system are disclosed. A wireless transmit/receive unit (WTRU) sends a routing area update request message to a serving general packet radio service (GPRS) support node (SGSN) via a radio ...The SGSN in Pool solution introduces further the concept of 'pool-areas' which is enabled by the routing mechanism in the BSC. An SGSN pool-area is comparable to an SGSN service area as a collection of one or more BSC service areas. In difference to an SGSN service area a pool-area is served by multiple SGSNs in parallel which share the traffic ...In case the new routing area is in an area served by another CN node, the routing area update also triggers the registration of the subscriber in the new CN node and a location update for PS services towards the HLR. Routing area update is initiated by the UE when the UE is in state PS-IDLE, and this independently of the CS state.RAU stands for Routing Area Update in LTE system. It mentions RAU procedure without S-GW change and with S-GW change. RAU procedure without S-GW Change. The packet radio network transmits data (2-0, 2-3a) to the mobile station (MS) via a first support node (SGSN1). The mobile station (MS) sends a routing area update message (2-1) to a second support node (SGSN2), which sends to the first support node (SGSN1) a request (2-3) for context data (2-5) of the mobile station from the first support node.The packet radio network transmits data to the mobile station via a first support node. The mobile station sends a routing area update message to a second support node, which sends to the first support node a request for context data of the mobile station from the first support node.RAU Routing Area Update A GPRS mobile will perform a Routing Area Update in the Ready and Standby state. The RAU is triggered when the mobile crosses a RA (Routing Area) boundary, or periodically. The time interval being set by the network. A RAU is also performed when the mobile moves from the Idle to the Standby state.This is a NAS message which is sent to UE when the UE is not allowed to register to the specific network or a specific Location Area. Network send this message when a UE tries to camp on the PLMN (usually VPLMN) which is not allowed for the UE. When it recieves, UE has to do following steps. UE has to remove this PLMN from 'forbidden LPLMN ... RAU (Routing Area Update) is a procedure in mobile networks that allows a mobile device to update its location information when it moves from one routing area to another. A routing area is a geographical area that is served by a specific group of base stations or cells in a mobile network.Tracking Area Code (TAC) Tracking Area Identity (TAI) Tha Tracking Area Code identifies the tracking area within a particular network and if we combine the TAC with PLMN-ID then we will get the globally unique Tracking Area Identity. TAI = PLMN-ID + TAC. The Tracking Area Code has a range of 0 to 65536. Tracking Area Update.Glossary:Routing area (RA) The routing area, abbreviated as RA, is the counterpart of the location area (LA) in packet-switched (PA) networks. The RA is usually a smaller area compared to the LA because using multimedia services requires more frequent paging messages. Reducing the area that needs to be paged helps to lower the number of paging ... A "location area" is a set eNodeB that are grouped together to optimise signalling. To each location area, a unique number called a "location area code" is assigned. The location area code is broadcast by each eNodeB at regular intervals. Tracking area The tracking area is the LTE counterpart of the location area and routing area.ROUTING AREA UPDATE REJ received Retransmission of the ROUTING AREA UPDATE REQUEST message T3340 (Iu mode only) 10s GMM- REG-INIT GMM-DEREG-INIT GMM-RA-UPDATING-INT GMM-SERV-REQ-INIT (Iu mode only) GMM-ATTEMPTING-TO-UPDATE-MM GMM-REG-NORMAL-SERVICE ATTACH REJ, DETACH REQ, ROUTING AREA UPDATE REJ or SERVICE REJ with any of the causes #11, #12 ... Oct 27, 2011 · Periodic RA update timer or Periodic Routing Area Update Timer is T3312. T3312 is used to send RAU message periodically. Value of this timer is set based on the value received in the ATTACH ACCEPT and/or ROUTING AREA UPDATE ACCEPT message. Normally, values are sent in the Decihours. 1 Decihours = 6 mins. Name server (DNS:Domain Name Server) in GPRS (GPRS:General Packet Radio Service) network is positioned at gn interface, is responsible for lane place coding (Location Area Code:LAC) in Routing Area Update (RAU:Routing Area Update) process, Routing Area Code (Routing Area Code:RAC) and radio network controller identifier (RNC ID) and resolves.When user moves to another Route Area from a Route ...watchseries id
A routing area update method in MBMS includes the steps of after current UE sending RAU request to new SGSN, the new SGSN obtaining context information related to the current UE from old SGSN and updating the context information related to the current UE by interacting with corresponding GGSN, then the new SGSN and the old SGSN respectively completing the update of data information related to ...TAU and RAU. TAU corresponds to Tracking Area Update in LTE and RAU corresponds to Routing Area Update in GERAN/UTRAN. A TAU or RAU is initiated by UE when it detects a new tracking area or routing area. Below call flows show how a UE performs RAU in GERAN and TAU in LTE when both GERAN/UTRAN and LTE networks are converged using Gn interfaces.every time the MS reselects a cell which has a new Routing area code or routing area color, then it will do a routing area update. impact : signalling load on the SGSN, TBF / PDCH usage on the air interface, etc. it is highly recommended to reduce the number of RA update ! typical solution :A method, device and system for updating routing area identifier are provided by the embodiments of the present invention. The update method comprises that an access network device constructs a first routing area identifier update message including a ground routing area identifier; said access network device sends said first routing area identifier update message to the user equipment, so that ...The packet radio network transmits data to the mobile station via a first support node. The mobile station sends a routing area update message to a second support node, which sends to the first support node a request for context data of the mobile station from the first support node. RAU (Routing Area Update) is a procedure in mobile networks that allows a mobile device to update its location information when it moves from one routing area to another. A routing area is a geographical area that is served by a specific group of base stations or cells in a mobile network.The present invention belongs to communication field, and discloses a routing area update method of serving GPRS support node which ensures GGSN can be informed in time when user access network changes, and guarantees that service related to GGSN can normally operate and charging bill is correct. Matches the URL path /. Produces the route values { controller = Home, action = Index }. The values for controller and action make use of the default values. id doesn't produce a value since there's no corresponding segment in the URL path. / only matches if there exists a HomeController and Index action: C#.The support node and the program carrier performing the routing area update are also described. A method of transmitting data in a packet radio network to a mobile station (MS) performing a routing area update and wherein the network comprises at least a first support node (SGSN1) and a second support node (SGSN2). A Report after IETF 95 (Buenos Aires) IETF Routing Area Update Alvaro Retana ([email protected]) Distinguished Engineer, Cisco Services Routing Area Director, IETFMatches the URL path /. Produces the route values { controller = Home, action = Index }. The values for controller and action make use of the default values. id doesn't produce a value since there's no corresponding segment in the URL path. / only matches if there exists a HomeController and Index action: C#.This is a NAS message which is sent to UE when the UE is not allowed to register to the specific network or a specific Location Area. Network send this message when a UE tries to camp on the PLMN (usually VPLMN) which is not allowed for the UE. When it recieves, UE has to do following steps. UE has to remove this PLMN from 'forbidden LPLMN ... A routing area update is then performed ( 16 ) when one or more of the conditions are present and when, depending on the embodiment, either the remote unit is determined to be within the edge portion of the routing area or the remote unit is determined to be within the end portion of the routing area update interval.10) If the Routing Area Update Type indicates the Combined Routing Area Update with IMSI Attach or if the location area changes, the association between the SGSN and the VLR must be established. The new SGSN sends the Location Update Request message (with the new RAI, IMSI, SGSN number and Routing Area Update Type) to the VLR. mybankcnbLooking for abbreviations of RAU? It is Routing Area Update. Routing Area Update listed as RAU. Routing Area Update - How is Routing Area Update abbreviated? Deletes any Routing Area Identifier (RAI), Packet Temporary Mobile Subscriber Identity (P-TMSI), P-TMSI signature, and General Packet Radio Service (GPRS) ciphering key sequence numbers that are stored. Sets the GPRS update status to GU3 ROAMING NOT ALLOWED, resets the GPRS attach attempt counter, and changes to state GMMDEREGISTERED.The support node and the program carrier performing the routing area update are also described. A method of transmitting data in a packet radio network to a mobile station (MS) performing a routing area update and wherein the network comprises at least a first support node (SGSN1) and a second support node (SGSN2). The present invention belongs to communication field, and discloses a routing area update method of serving GPRS support node which ensures GGSN can be informed in time when user access network changes, and guarantees that service related to GGSN can normally operate and charging bill is correct. Periodic RA update timer or Periodic Routing Area Update Timer is T3312. T3312 is used to send RAU message periodically. Value of this timer is set based on the value received in the ATTACH ACCEPT and/or ROUTING AREA UPDATE ACCEPT message. Normally, values are sent in the Decihours. 1 Decihours = 6 mins.A Gn/Gp- SGSN will resume the PDP Context(s), which is done by the Routing Area Update procedure. During the Routing Area Update procedure in which the Gn/Gp SGSN sends a Update PDP Context Request message to the GGSN/P-GW, the GGSN/P-GW resumes the PDP Context(s). An S4 SGSN will resume the bearers, and informs the S-GW and P-GW(s) to resume ...This is a NAS message which is sent to UE when the UE is not allowed to register to the specific network or a specific Location Area. Network send this message when a UE tries to camp on the PLMN (usually VPLMN) which is not allowed for the UE. When it recieves, UE has to do following steps. UE has to remove this PLMN from 'forbidden LPLMN ... RAU (Routing Area Update) is a procedure in mobile networks that allows a mobile device to update its location information when it moves from one routing area to another. A routing area is a geographical area that is served by a specific group of base stations or cells in a mobile network.When a UE moves from one cell to another within the same Routing Area, it does not need to perform a full Location Area Update but only a Routing Area Update. RA Identity: Each Routing Area is assigned a unique identifier known as the Routing Area Identity (RAI). The RAI is used to identify the Routing Area to which a UE belongs. It is composed ...A routing area update is then performed ( 16 ) when one or more of the conditions are present and when, depending on the embodiment, either the remote unit is determined to be within the edge portion of the routing area or the remote unit is determined to be within the end portion of the routing area update interval.The packet radio network transmits data (2-1, 2-3) to the mobile station (MS) via a first support node (SGSN1). The mobile station (MS) sends a routing area update message (2-1) to a second support node (SGSN2), which sends to the first support node (SGSN1) a request (2-3) for context data (2-5) of the mobile station from the first support node.A method of transmitting data in a packet radio network to a mobile station (MS) performing a routing area update and wherein the network comprises at least a first support node (SGSN1) and a second support node (SGSN2). The first support node relays data from the packet radio network to the mobile station.Display Filter Reference: Routing Information Protocol. Protocol field name: rip Versions: 1.0.0 to 4.0.8 Back to Display Filter Reference king tiger tank
A method, device and system for updating routing area identifier are provided by the embodiments of the present invention. The update method comprises that an access network device constructs a first routing area identifier update message including a ground routing area identifier; said access network device sends said first routing area identifier update message to the user equipment, so that ... The inter-SGSN routing update is the most complicated routing update. The MS changes from one SGSN area to another, and it must establish a new connection to a new SGSN. This means creating a new logical link context between the MS and the new SGSN and informing the GGSN about the new location of the MS.The present invention relates to a method for routing area (RA) update request messages which in accordance with a time period broadcasted from the network are periodically sent from an MS (Mobile Station) to an SGSN (Serving GPRS Support Node) through a BSS (Base Station System), which SGSN supports GPRS (General Packet Radio Service), and which as a result of a routing area update procedure ...A "location area" is a set eNodeB that are grouped together to optimise signalling. To each location area, a unique number called a "location area code" is assigned. The location area code is broadcast by each eNodeB at regular intervals. Tracking area The tracking area is the LTE counterpart of the location area and routing area.Deletes any Routing Area Identifier (RAI), Packet Temporary Mobile Subscriber Identity (P-TMSI), P-TMSI signature, and General Packet Radio Service (GPRS) ciphering key sequence numbers that are stored. Sets the GPRS update status to GU3 ROAMING NOT ALLOWED, resets the GPRS attach attempt counter, and changes to state GMMDEREGISTERED.Thr Routing Area Update Procedure occurs when the MS moves between different Routing Areas (RAs). The MS will trigger this procedure when it detects that the RAI sent from the network is different than the RAI exists in its own memory. Types of Routing Area Update 'RAU' Routing Area Update 'RAU' types Learn Mobile Packet Core Network in 5 Hours.Glossary:Routing area (RA) The routing area, abbreviated as RA, is the counterpart of the location area (LA) in packet-switched (PA) networks. The RA is usually a smaller area compared to the LA because using multimedia services requires more frequent paging messages. Reducing the area that needs to be paged helps to lower the number of paging ... If P-TMSI was included in the Routing Area Update Accept message, the UE acknowledges the new P-TMSI by returning a Routing Area Update Complete message to the SGSN. Step 20. For Iu-mode, if the UE has uplink data or signalling pending it shall send a Service Request (P-TMSI, CKSN, Service Type) message to the new SGSN.RAU (Routing Area Update) is a procedure in mobile networks that allows a mobile device to update its location information when it moves from one routing area to another. A routing area is a geographical area that is served by a specific group of base stations or cells in a mobile network.The present invention relates to a method for routing area (RA) update request messages which in accordance with a time period broadcasted from the network are periodically sent from an MS (Mobile Station) to an SGSN (Serving GPRS Support Node) through a BSS (Base Station System), which SGSN supports GPRS (General Packet Radio Service), and which as a result of a routing area update procedure ... A change from routing area to routing area (called a "Routing Area Update") is done in an almost identical way to a change from location area to location area. The main differences are that the "Serving GPRS Support Node" (SGSN) is the element involved. rai news
Mar 17, 2010 · Upon expiry of the periodic RA update timer, the MS shall start a periodic routeing area update procedure. —————— and also 24.008 ————————-4.7.5.1 Periodic routing area updating is used to periodically notify the availability of the MS to the network. The value of the update type IE in the ROUTING AREA UPDATE REQUEST ... Periodic RA update timer or Periodic Routing Area Update Timer is T3312. T3312 is used to send RAU message periodically. Value of this timer is set based on the value received in the ATTACH ACCEPT and/or ROUTING AREA UPDATE ACCEPT message. Normally, values are sent in the Decihours. 1 Decihours = 6 mins.Aug 29, 2009 · Tracking Area is the area/cell being tracked by an eNB. TAI change may indicate a change in eNB. Routing Area is the area/cells tracked by a SGW. So a SGW can track multiple tracking areas. The title of the post is little confusing. I say Tracking area update with SGW change and also say tracking area is taken care by eNB. The packet radio network transmits data (2-1, 2-3) to the mobile station (MS) via a first support node (SGSN1). The mobile station (MS) sends a routing area update message (2-1) to a second support node (SGSN2), which sends to the first support node (SGSN1) a request (2-3) for context data (2-5) of the mobile station from the first support node. Tracking Area Code (TAC) Tracking Area Identity (TAI) Tha Tracking Area Code identifies the tracking area within a particular network and if we combine the TAC with PLMN-ID then we will get the globally unique Tracking Area Identity. TAI = PLMN-ID + TAC. The Tracking Area Code has a range of 0 to 65536. Tracking Area Update.