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WO2010145490A1 - Procédé, appareil et système permettant un transfert entre des systèmes dans des domaines à commutation de paquets - Google Patents

Procédé, appareil et système permettant un transfert entre des systèmes dans des domaines à commutation de paquets Download PDF

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Publication number
WO2010145490A1
WO2010145490A1 PCT/CN2010/073745 CN2010073745W WO2010145490A1 WO 2010145490 A1 WO2010145490 A1 WO 2010145490A1 CN 2010073745 W CN2010073745 W CN 2010073745W WO 2010145490 A1 WO2010145490 A1 WO 2010145490A1
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WO
WIPO (PCT)
Prior art keywords
communication
sub
bss
message
update
Prior art date
Application number
PCT/CN2010/073745
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English (en)
Chinese (zh)
Inventor
马新友
刘建军
Original Assignee
华为技术有限公司
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Filing date
Publication date
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Publication of WO2010145490A1 publication Critical patent/WO2010145490A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Definitions

  • the third generation of digital communications (rd Generaton, 3G) mainly consists of the connection and the part.
  • the deband Code Dvson MUtpe Access (CDM) is 3G, which is connected to the Nversa Mob e Teecommuncaton System (UMTS).
  • UMTS Nversa Mob e Teecommuncaton System
  • the 2.5G communication system includes but is not limited to the general packet (enera acket Rado SerVce, GPRS) / enhanced rate GSM (Enhanced Data Rate for GSM EvoUton, EDGE) (SM EDGE Rado Access Network, GERA).
  • general packet encode acket Rado SerVce, GPRS
  • enhanced rate GSM Enhanced Data Rate for GSM EvoUton, EDGE
  • GERA SM EDGE Rado Access Network
  • each GPRS support (SerVng GPRS Support Node, SGSN) needs to use the same SRNS context flow of the erVng Rado Network Subsystem (SRNS) to forward and downlink the lower packet number (AcketDataUnt, PDU).
  • SRNS erVng Rado Network Subsystem
  • AcketDataUnt PDU
  • BSS Base StatonSubsystem
  • This provides the same switching method, device and system for S to reduce the signaling interaction, reduce the signaling load and switch.
  • This provides the switching method of the S system, including
  • the same interface of the BSS BSS SRNS receives the SRNS handover message.
  • the handover message carries the MS information and the RAB phase information BSS MS information and the RAB phase information.
  • the BSS SRNS establishes the same communication and the BSS MS. The second communication, in order to complete the handover.
  • This document provides the same switching system for S, including the upper BSS, and the SRNS for BSS communication.
  • the same interface of the BSS BSS SRNS receives the switching message of the SRNS with the information of the MS and the phase information of the RAB, and uses the information of the MS and the phase information of the RAB to establish the BSS SRNS.
  • the flow diagram of the S-switching method provided by the S-power supply is shown in the figure 5.
  • the flow diagram of the S-switching method provided by the S-switch is shown in the following figure.
  • the S-switching method of the S-synchronization can include the following steps. Step 10: BSS BSS SRNS
  • the same interface receives the SRNS.
  • Step 2 The information of the MS on the BSS and the phase information of the upper RAB, this handover establishes the same communication of the BSS SRNS and the second communication of the BSS MS.
  • the same interface of the BSS BSS SRNS receives the switching message of the SRNS with the information of the MS and the phase information of the RAB, and uses the information of the MS and the phase information of the RAB to establish the same communication and BSS MS of the BSS SRNS.
  • the same second communication Compared with the existing wood solution in the wood, the S-switching method provided by the present embodiment reduces the interaction between the S system and the switching, and can reduce the signaling load and the switching.
  • the flow diagram of the S-switching method provided by the S-Bundle is provided.
  • the SGSN of the SGSN BSS of the SRNS is the same as the SGSN (the switching force of this is not the switching of the SGSN). It is worth noting that the SGSN process only adds the same process as the SGSN and the SGSN, and the SGSN process can be existing, no longer.
  • the S-switching method of the S may include the following steps: Step 201, SRNS to MS Small Change Order (Ce ChangeOrder) message, and the number of uplink and downlink packets for stopping the number of downlink packets before and after.
  • Step 201 SRNS to MS Small Change Order (Ce ChangeOrder) message
  • Step 201 SRNS to MS Small Change Order (Ce ChangeOrder) message
  • the MS mode of each S in the UMTS is measured, and the measurement of the GPRS small measurement result of the phase is included in the cycle to the SRNS.
  • the SRNS can send an ES e-Direction (e Change Orde) message to command the MS system to switch, stopping the number of pre-downlink packets. , and the number of uplink and downlink packets.
  • the pre-satisfaction of the small quadruple, the GPRS small received strength indicator (Receved Sgna Strength ndcator, RSS) system meets the small four.
  • Step 202 The SRNS r-g interface switches the (andoverReques) message to the BSS, and the information of the MS and the phase information of the RAB are switched in the message.
  • MS information can be S (-Temporary Mob eStaton dentty, P-TMS)
  • the phase information of the RAB may include parameters such as RAB, RAB, and address.
  • Step 203 The BSS receives the handover message, and the phase information of the RAB and the information of the MS establish the same communication as the BSS SRNS and the second communication of the BSS MS.
  • the signaling interaction between the upper communication and the second communication path established by the BSS may be used for routing update, and the BSS may perform signaling interaction of the first communication and the second communication with the SRNS MS line routing update.
  • BSS completed by the update, BSS then the first communication (ur-g interface connection) to the SRNS switch message.
  • Step 204 The MS receives the small quadruple command message, and sends a message to the BSS by the update (RoUtngAreaUpdateReques) message, and the routing update message carries the information of the MS.
  • Step 205 the BSS receives the update message, the information of the MS to the upper communication, and the communication to the SRNS
  • Step 206 The SRNS receives the update message and passes the third communication. (U-PS interface connection) Sends an update message to the SGSN.
  • Step 207 The SGSN receives the update message, the MS is legal on the new route (RoUtngArea, RA), and the MS establishes the management (MM) context and number of packets (PDP) below.
  • the MS is legal on the new route (RoUtngArea, RA)
  • the MS establishes the management (MM) context and number of packets (PDP) below.
  • Step 208 The SGSN third communication (U-PS interface connection) returns a route update accept (RoUtngAreaUpdateAccep) message to the SRNS.
  • Step 209 The SRNS receives the update accept message, and the communication accepts the message to the BSS.
  • Step 210 The BSS receives the update accept message, and sends a core update request message to the MS through the second communication.
  • Step 211 The MS receives the update accept message, and the second communication to the BSS is completed by the update (RoUtngAreaUpdateCompet) message.
  • Step 213 The SRNS receives the update completion message, and sends a core update notification message to the SGSN through the third communication (U-PS interface connection).
  • Step 214 The BSS is switched by the update (U-g interface connection) to the SRNS (andover Acknowedg).
  • Step 215 The SRNS receives the handover message, and the number of downlink packets sent to the BSS by the communication.
  • the SRNS Ur-g interface may send the downlink packet number to the MS by using the context of the SRNS in the handover message to the BSS.
  • SRNS below saves the GPRS tunnel (PRS Tunne ng rotoco, GTP) packet data (Acket Data Unt, PDU) sequence, in the number of packets ( acketDataConvergence rotoco, PDCP) , SRNS holds the underlying PDCP sequence.
  • Step 216 The BSS receives the number of downlink packets, and the context of the foregoing SRNS passes the second communication to the MS downlink packet number.
  • the BSS receives the handover message, and switches the same communication and the second communication of the BSS MS.
  • the number of downlink packets, BSS second communication to MS downlink packet number is the number of downlink packets, BSS second communication to MS downlink packet number.
  • the established BSS SRNS communicates with the same, the SRNS can directly interact with the BSS, and the SGSN reduces the interaction between the S and the switch, and can reduce the signaling load and the established BSS SRNS of the handover.
  • the first communication, the number of downlink packets on the SRNS can be directly communicated
  • the step is reduced.
  • SRNS BSS 9 interface signaling (communication signaling) sub-system part (Rado NetworkSubsystemApp caton art RNSA) to support the upper switching message and switching message.
  • the user of the -9 interface (the user of the communication) can be added to support the number of downlink packets on the SRNS directly to the special BSS, and the number of uplink packets of the MS is directly connected through the rg interface by the SRNS special SGSN.
  • the user of the rg interface is shown in Figure 3, and its user's GPRS tunnel (GPRSTunne ng rotoco for the Userpane, GTP-) can be configured with GTP-U, UDP, P, L2 and on the BSS SRNS (interface rg interface).
  • the used breaks can include GTP-U, UDP, P, L2, and 1.
  • the top-down can be GTP-U/UDP/P/L2/L.
  • the BSS needs to support 2G users, and the (ogc Lnk Contro, LLC) / SubNetwork Dependent Convergence rotoco (SNDCP) function that is not on the SGSN needs to be moved down to the BSS.
  • BSS BSS needs to support 2G users, and the (ogc Lnk Contro, LLC) / SubNetwork Dependent Convergence rotoco (SNDCP) function that is not on the SGSN needs to be moved down to the BSS.
  • the sub-phase packet number of the LLC (SN-PDU) is not grouped into the number of packets (N-PDU) by the GTP-U.
  • the flow chart of the S-switching method provided by the S-subsidiary is provided.
  • the SGSN of the SGSN BSS of the SRNS is the same as the SGSN (the switching force of this is not the switching of the SGSN).
  • the SGSN process only adds the same process as the SGSN and the SGSN, and the SGSN and the process are already in the wood, and this is no longer the case.
  • the S-switching method of the S may include the following steps: Step 401, SRNS to MS small four-command message, and the number of uplink and downlink packets before stopping the number of packets before and after.
  • Step 402 The SRNS rg interface switches the message to the BSS, and the information in the handover message carries the information of the MS and the phase information of the RAB.
  • the information of the MS can be P-TMS.
  • the phase information of the RAB may include parameters such as RAB, RABQoS parameters, and addresses.
  • Step 403 The BSS receives the handover message, and the phase information of the RAB and the information of the MS establish the first communication between the BSS SRNS and the second communication of the BSS MS.
  • the upper second communication path established by the BSS can be used for the interaction of the updated signaling, and the same communication can be established in the step of the BSS SGSN, and the BSS can be connected to the second communication, and the upper communication is respectively the MS SGSN.
  • the signaling interaction of the route update is completed by the update, and the communication (ur-g interface connection) on the BSS switches the message to the SRNS.
  • Step 404 The MS receives the small quadruple command message, and the second communication to the BSS is updated by the message, and the routing update message has the information of the MS.
  • Step 405 The BSS receives the update message, establishes the same communication (U-PS interface connection) of the BSS SGSN, and the newly added upper communication message updates the message to the SGSN.
  • Step 406 The SGSN receives the update message, and the MS establishes a management (MM) context and a packet number (PDP) context on the new route.
  • MM management
  • PDP packet number
  • Step 407 The SGSN communication (U-PS interface connection) returns a route update accept message to the BSS.
  • Step 408 The BSS receives the update accept message, and the second communication The core is sent to the MS to accept the message by the update.
  • Step 409 The MS receives the update accept message, and the second communication to the BSS is updated by the update message.
  • Step 410 The BSS receives the update completion message, and passes the first (U-PS interface connection) to the SGSN to update the completion message.
  • Step 4 The BSS is switched to the SRNS by the update and the communication (the Ur-g interface connection).
  • Step 412 The SRNS receives the handover message, and the number of downlink packets sent to the BSS by the communication.
  • Step 413 The BSS receives the number of downlink packets &, the context of the upper SRNS, and the number of downlink packets to the MS.
  • the SRNS r-g interface can send the RN to the BSS, and the BSS second communication sends the number of downlink packets to the MS.
  • the following is a summary of the GTP DU sequence in the SRNS, and the PDCP sequence is stored in the PDCP and SRNS contexts.
  • the BSS receives the handover message, and the information of the MS in the handover message and the phase information of the RAB establish the same communication of the BSS SRNS and the second communication of the BSS MS.
  • the BSS MS SGSN interacts with the second communication and the BSS SGSN established by the BSS with the same communication (U-PS interface connection).
  • the special MS SGSN is in the update process, and the update is successful.
  • the BSS returns a message to the SRNS. , SRNS number of downlink packets to BSS, BSS second communication to MS downlink packets.
  • the BSS SRNS established by the same communication
  • the SRNS can directly interact with the BSS, and the SGSN reduces the interaction between the S and the switch, and can reduce the signaling load and the established BSS SRNS of the handover.
  • the number of downlink packets on the SRNS can be directly connected.
  • the step is reduced.
  • the routing update in this book is not completed by the BSS MS SGSN interaction, and the number of downlink packets of the SRNS is still the communication and the second communication, and the characteristics of the bearer and control of the S are supported. The difference between control and user, increased activity.
  • R Hugh Control
  • MAC Physical Radio Frequency
  • RF Physical Radio Frequency
  • LLC LLC/RLC/MAC/RF
  • the top-down can be LLC/RLC/MAC/RF can be in the SGSN BSS (the interface of the SGSN) S-interface) RadoAccess NetworkApp caton Pa RANA, gna ngConnectonContro Part (CCP), gna ngBearer, L2 and L, can include RANAP, CCP, Sgna ngBearer , L2 and L, the top to bottom can be RANAP/SCCP/Sgna ng Bearer/L2/L.
  • CCP gna ngConnectonContro Part
  • the BSS SGSN communicates with the Gb interface signaling S-interface signaling, the BSS MS SGSN interacts, and the second communication and the SSS of the upper BSS are connected with the S interface in the special MS SGSN in the update process.
  • the sub-system can include receiving 61 and establishing 62.
  • the receiving interface of the SR SRNS receives the switching message of the SRNS, and the information of the MS and the phase information of the RAB are established in the switching message.
  • the information of the MS and the phase information of the upper RAB, S and the same switch establish the same communication of the SRNS and the second communication of the MS.
  • the functions of the BSS can be provided by the BSS provided by this.
  • the receiving interface of the receiving BSS SRNS receives the information of the MSNS and the phase information of the RAB, and establishes the information of the using the MS and the phase information of the RAB, and the same as the switching establishment of the BSS SRNS. Communication and the second communication of the BSS MS.
  • the BSS provided reduces the interaction between the S and the switching, and can reduce the signaling load and switching.
  • the upper communication and the second communication path established by the establishment 62 are used for interaction by the updated signaling, and the BSS of the present step may include the update 71 and the block 72.
  • the update 71 establishes a signaling interaction between the upper communication and the second communication of the SRNS MS line routing update established by the second communication, and the first 72 is completed by the update, and the interface is switched to the SRNS by the interface.
  • the first update MS and the SRNS are exchanged, and the established second communication and the communication channel of the special MS SGSN in the update process are completed to complete the update.
  • the established upper second communication sends the number of uplink and downlink packets to the MS.
  • SRNS can directly interact with BSS
  • the SGSN reduces the interaction between S and the switch, and can reduce the signaling load and the establishment of the BSS SRNS established by the handover.
  • the number of downlink packets on the SRNS can be directly communicated to the BSS.
  • the switch is reduced.
  • 8 shows the schematic of the sub-system provided by the power supply, 8 shows that the upper second communication path established by the establishment 62 is used for the interaction of the updated signaling, and the BSS SGSN has the same communication, and the BSS of the present may include Second update 81 and second block 82.
  • the second update 81 establishes the upper second communication and the upper communication respectively established by 62
  • the signaling interaction of the MS SGSN line routing update, the second block 82 is completed by the update, and the message is switched to the SRNS through the interface.
  • the second update MS SGSN interacts with the establishment of the established second communication and the BSS SGSN established by the BSS.
  • the special MS SGSN is in the update process by the phase message to complete the update.
  • the second update in the present is the routing update process that is not completed by the MS SGSN interaction, and the number of downlink packets on the SRNS is still the communication and the second communication, and the bearer and control of the S are Features, support for control and user differentiation, increased activity.
  • the SGSN reduces the interaction between S and the switch, and can reduce the signaling load and the establishment of the BSS SRNS established by the handover.
  • the number of downlink packets on the SRNS can be directly communicated to the BSS.
  • the special SGSN reduces the switching.
  • the SRNS may include sending a handover message to the BSS on the same interface as the BSS.
  • On the switch message can
  • the step with the SRNS context, phase, SRNS may include the second, the number of downlink packets of the upper communication to the BSS established by the establishment of the BSS.
  • SRNS can directly BSS to make interaction
  • the SGSN reduces the interaction between S and the switch, and can reduce the signaling load and the BSS SRNS established by the switched BSS.
  • the number of downlink packets on the SRNS can be directly communicated to the BSS.
  • the special SGSN, 0 has less switching.
  • the last block illustrates the above-mentioned wood scheme for explaining the present text, and does not limit the reference to the previous description.
  • the ordinary wood understanding in the field can still be modified by the previous wood schemes, or some of the wood substitutes are modified or replaced. , Do not

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte à un procédé, à un appareil et à un système permettant un transfert entre des systèmes dans des domaines à commutation de paquets. Le procédé comprend les étapes suivantes : un sous-système de station de base (BSS) reçoit un message de demande de transfert qui transmet des informations d'identification d'une station mobile (MS) et des informations se rapportant à une porteuse d'accès radio (RAB) par l'intermédiaire d'une première interface entre le sous-système BSS et un sous-système de réseau radio de desserte (SRNS) (101) ; selon les informations d'identification de la station MS et les informations se rapportant à une porteuse d'accès radio (RAB), le sous-système BSS établit une première liaison de communication entre le sous-système BSS et le sous-système SRNS et une seconde liaison de communication entre le sous-système BSS et la station MS pour le transfert de ce moment (102).
PCT/CN2010/073745 2009-06-15 2010-06-10 Procédé, appareil et système permettant un transfert entre des systèmes dans des domaines à commutation de paquets WO2010145490A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910087297.9 2009-06-15
CN2009100872979A CN101583123B (zh) 2009-06-15 2009-06-15 分组域系统间的切换方法、装置及系统

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WO2010145490A1 true WO2010145490A1 (fr) 2010-12-23

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101583123B (zh) * 2009-06-15 2011-06-08 华为技术有限公司 分组域系统间的切换方法、装置及系统
CN104244349B (zh) * 2013-06-18 2021-06-15 索尼公司 通信装置和通信方法
US10111226B2 (en) * 2015-08-26 2018-10-23 Qualcomm Incorporated Techniques to identify packets associated with an overlapping basic service set

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CN1859788A (zh) * 2006-03-29 2006-11-08 华为技术有限公司 一种基于移动网络组播业务数据的srns迁移方法
CN101150838A (zh) * 2006-09-18 2008-03-26 大唐移动通信设备有限公司 一种在系统间切换的方法及系统
CN101180909A (zh) * 2005-03-30 2008-05-14 诺基亚公司 在路由区域改变期间减少服务中断的系统、设备、方法和程序
CN101583123A (zh) * 2009-06-15 2009-11-18 华为技术有限公司 分组域系统间的切换方法、装置及系统

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CN101180909A (zh) * 2005-03-30 2008-05-14 诺基亚公司 在路由区域改变期间减少服务中断的系统、设备、方法和程序
CN1859788A (zh) * 2006-03-29 2006-11-08 华为技术有限公司 一种基于移动网络组播业务数据的srns迁移方法
CN101150838A (zh) * 2006-09-18 2008-03-26 大唐移动通信设备有限公司 一种在系统间切换的方法及系统
CN101583123A (zh) * 2009-06-15 2009-11-18 华为技术有限公司 分组域系统间的切换方法、装置及系统

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