WO2008008145A2 - Activation de services multi-porteuses dans un système d'évolution à long terme - Google Patents

Activation de services multi-porteuses dans un système d'évolution à long terme Download PDF

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Publication number
WO2008008145A2
WO2008008145A2 PCT/US2007/013665 US2007013665W WO2008008145A2 WO 2008008145 A2 WO2008008145 A2 WO 2008008145A2 US 2007013665 W US2007013665 W US 2007013665W WO 2008008145 A2 WO2008008145 A2 WO 2008008145A2
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WIPO (PCT)
Prior art keywords
list
services
sgsn
service
wtru
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PCT/US2007/013665
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English (en)
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WO2008008145A3 (fr
Inventor
Kamel M. Shaheen
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Interdigital Technology Corporation
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Publication of WO2008008145A2 publication Critical patent/WO2008008145A2/fr
Publication of WO2008008145A3 publication Critical patent/WO2008008145A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels

Definitions

  • the present invention is related to a wireless communication system. More particularly, the present invention is related to the simultaneous activation of multiple bearer services upon attachment based on pre- configuration data stored in the WTRU in a long term evolution (LTE) general packet radio service (GPRS) tunneling protocol (GTP)-based system.
  • LTE long term evolution
  • GPRS general packet radio service
  • GTP tunneling protocol
  • FIG. 1 shows a conventional GPRS/third generation (3G) wireless communication system architecture 100 that shows various interfaces/protocols as well as user data transfer interfaces between various network entities.
  • the wireless communication system 100 includes at least one serving GPRS support node (SGSN) 105 and at least one gateway GPRS support node (GGSN) 110.
  • the wireless communication system 100 further comprises a universal terrestrial radio access network (UTRAN) 115 which includes one or more radio access networks (RANs), base station systems (BSSs) and radio network controllers (RNCs), (not shown).
  • the system 100 also comprises a plurality of wireless transmit/receive units (WTRUs) 120, each including a terminal equipment (TE) 125 coupled to a mobile terminal (MT) 130.
  • the mobility in the wireless communication system 100 is facilitated by anchoring an Internet Protocol (IP) session at the GGSN 110 and allowing for multi-level mobility by supporting mobility management (MM) protocols for IP and non-IP traffic/services provided by the SGSN 105.
  • FIG. 2A shows how dual tunnels are established in the conventional wireless communication system 100 of Figure 1 to provide IP connectivity for user plane traffic.
  • a GPRS tunnelling protocol (GTP) user plane (GTP-U) tunnel 220 is established between a GGSN 205 and an SGSN 210, and a second user plane tunnel 225 is established between the SGSN 210 and a radio network controller (RNC) 215. Both tunnels are dedicated to the same user.
  • the GTP tunnel 220 has a user plane and a control plane.
  • the user tunnel 225 is an IP tunnel having a user plane and a RAN application part (RANAP) control plane used for control messaging.
  • RANAP RAN application part
  • FIG. 3 shows the system architecture evolution (SAE) of a long term evolution (LTE)-based network with various interfaces/protocols as well as user data transfer interfaces between various network entities.
  • the wireless communication system 300 includes an evolved packet core 305 comprising at least one mobility management entity (MME)/user plane entity (UPE) 310 and at least one inter-access system (AS) anchor 315, also called an access gateway (AGW).
  • An evolved radio access network 320 includes at least one evolved Node- B (eNodeB).
  • the wireless communication system 300 further comprises a GPRS core 325 as described above with reference to Figure 1, which includes at least one universal terrestrial radio access network (UTRAN) 330, and at least one GPRS enhanced data rates for global system for mobile communications (GSM) evolution (EDGE) radio access network (GERAN) 335.
  • UTRAN universal terrestrial radio access network
  • EDGE enhanced data rates for global system for mobile communications
  • GERAN radio access network
  • Mobility of WTRUs (not shown) in the wireless communication system 300 is facilitated by anchoring Internet Protocol (IP) sessions at the AGW 315 and allowing for multi -level mobility by supporting MM protocols for IP traffic/services provided by the AGW 315.
  • IP Internet Protocol
  • IP traffic generated from the network operator such as instant messaging, and non third generation partnership project (3GPP) IP traffic, (i.e., wireless local area network (WLAN) traffic), is anchored and routed through the AGW 315.
  • 3GPP third generation partnership project
  • LTE Long Term Evolution
  • MME mobility management entity
  • UPE user plane entity
  • PDP packet data protocol
  • UMTS universal mobile telecommunications system
  • Primary PDP context activation performs IP configuration and the selection of access point name (APN) associated with session initiation protocol (SIP) signaling.
  • a secondary PDP context activation is needed for each additional bearer service. This means that the three-way handshake process will be repeated over and over for each additional service to be activated, (e.g., email, streaming, web browsing, and the like).
  • There is a need to simplify this method by reducing the number of PDP (primary and secondary) activations signaled and increase the setup time to perform any of the above mentioned services.
  • the present invention is related to a method of activating multiple bearer services in an LTE wireless communication system including multiple bearers. At least one of the multiple bearers is activated during the initial attach procedures combining the attach procedure with activate PDP context activation procedures.
  • LTE attach procedures are implemented for multi-bearer services activation that establishes an LTE direct GTP tunnel or normal GPRS GTP two-tunnels operation.
  • the initial attach procedures are used to activate a default PDP context to be followed by modified PDP context activation procedures for multi-bearer services activation. These procedures can be used to establish a modified LTE direct GTP tunnel or a normal GTP two-tunnels operation.
  • the present invention changes existing GPRS procedures by performing a single step of activation of multiple bearers during the initial attached procedures, or using the initial attached procedures to activate a default bearer, followed by modify procedures that activate the remaining multiple bearers in a single step.
  • Figure 1 shows a conventional GPRS/3G wireless communication system architecture
  • Figure 2A shows establishment of a conventional GTP user plane tunnel
  • Figure 2B shows establishment of a single GTP tunnel in accordance with the present invention
  • FIG. 3 shows the system architecture evolution (SAE) of an LTE- based wireless communication system
  • Figure 4 shows a conventional tunnel protocol stack
  • Figure 5 shows an LTE GTP protocol stack in accordance with the present invention
  • Figure 6 is a signal flow diagram of a conventional tunnel establishment procedure
  • Figure 7 is a signal flow diagram of LTE attach procedures for a multi-bearer services activation for establishing an LTE single GTP tunnel.
  • Figure 8 is a signal flow diagram of modified PDP context activation procedures for multi-bearer services activation for establishing an LTE single
  • wireless transmit/receive unit includes but is not limited to a user equipment (UE), a mobile station, a fixed or mobile subscriber unit, a pager, a cellular telephone, a personal digital assistant (PDA), a computer, or any other type of user device capable of operating in a wireless environment.
  • base station includes but is not limited to an eNodeB, a site controller, an access point (AP), or any other type of interfacing device capable of operating in a wireless environment.
  • the features of the present invention may be incorporated into an integrated circuit (IC) or be configured in a circuit comprising a multitude of interconnecting components.
  • the mobility in GPRS, (3G or beyond), systems is facilitated by anchoring the IP session at the home GGSN and allowing for multi-level mobility, and by supporting existing MM protocols for non-IP traffic/services provided by the SGSN.
  • FIG. 2B shows a single user-plane tunnel approach in accordance with the present invention.
  • a single user plane tunnel 260 is used to reduce the delay and processing power of an MME/UPE 255.
  • the SGSN 210 terminates both the GTP tunnel 220 and a user plane tunnel 225 to the RNC 215, which means that the SGSN 210 decodes the packets traveling in both directions and translates them into the different protocol formats of the two tunnels 220 and 225.
  • the MME/UPE 255 In a single tunnel approach shown in Figure 2B, the MME/UPE 255 only establishes a tunnel between the AGW 265 and the eNodeB 250 via two separate interfaces/protocols, (RANAP-C and GTP-C). In the single tunnel approach, the MME/UPE 255 is not involved in the user plane traffic. Thus, the user traffic passes through the MME/UPE 255 unchanged, (i.e., unaltered), in both directions. Only the eNodeB 250 and the AGW 265 are allowed to perform/act on the user plane traffic. The MME/UPE 255 only manages the control traffic, including MM, routing area update (RAU), and the like, associated with the user and its IP based traffic.
  • RAU routing area update
  • the MME/UPE 255 connects an eNodeB 250 and an AGW 265 using a GTP control plane to communicate with the AGW 265 and a RANAP control plane to communicate with the eNodeB 250.
  • the MME/UPE 255 is responsible for providing the AGW 265 with the new eNodeB tunnel endpoint identity (TEID) information and the establishment of the single tunnel 260.
  • TEID tunnel endpoint identity
  • Figure 4 shows a prior art tunnel protocol stack according to existing GPRS protocol.
  • a GTP-U tunnel transfers, (i.e., tunnels), user data between a UTRAN (which includes RANs, BSSs and RNCs) and a 3G-SGSN, and between the 3G-SGSN and a 3G-GGSN.
  • Figure 5 shows tunnel protocol stack in accordance with the present invention, in which the user plane tunnel is established between an eNodeB and an AGW.
  • the IP Tunnel shown in Figure 5 can be GTP-based or any generic IP- Tunnel.
  • the GTP-U tunnel is used as an IP tunnel.
  • Figure 6 is a conventional signaling diagram of a process for single tunnel establishment.
  • the single tunnel functionality reduces the delay and processing power at the SGSN by reducing the need for protocol translation between the RNG and GGSN interfaces, and by enabling direct user plane tunnel between the RAN/RNC and the GGSN within the packet switched (PS) domain.
  • PS packet switched
  • the single tunnel approach will not eliminate the need for the SGSN to manage control traffic for IP-based traffic.
  • the SGSN is still needed for the control plane signalling, MM and call/session management, and the SGSN makes a decision as to whether to establish a single tunnel or establish dual tunnels.
  • the SGSN should connect the
  • the SGSN is responsible for updating and providing the GGSN with new RNC TEID information and the establishment of the single tunnel.
  • the activation of multiple bearers for multiple services during the primary PDP context activation are performed while the WTRU initiates packet switched (PS)-attach procedures.
  • the WTRU preferably includes a list of services that need to be activated and the associated network service access point identifier (NSAPI) in the attach request.
  • NSAPI network service access point identifier
  • the SGSN then preferably selects the APN, (e.g., a GGSN or an APN).
  • APN e.g., a GGSN or an APN
  • an MME/UPE is used as the SGSN.
  • the SGSN (MME/UPE) preferably establishes the multi bearers in the radio network controller (RNC)/eNodeB.
  • the RNC/eNodeB preferably establishes the multi-bearers with the WTRU and confirms back to the SGSN.
  • the SGSN (MME/UPE) preferably establishes the tunnehng required between the GGSN/AGW and the RNC/eNodeB whether it is a single tunnel (LTE/single tunnel GPRS) or two tunnels (GPRS).
  • the SGSN then preferably allocates the IP and confirms the allocation of bearers and their associated NSAPI.
  • FIG. 7 shows an LTE single GTP tunnel establishment (LTE attach) procedure 700 for activating multi-bearer services, which is implemented in a wireless communication system including a WTRU 705, an eNodeB 710, an MME/UPE 715 and an AGW 720 in accordance with a first embodiment of the present invention.
  • the WTRU 705 sends an LTE attach request message to the eNodeB 710 and the MME/UPE 715 that includes one or more information elements (IEs) (step 725).
  • the IEs may include one or more of the following: PDP type, PDP address, service list, APNs, a NSAPI list and quality of service (QoS) associated with each service.
  • the NSAPI list is used to map specific services to specific end points at the WTRU 705 and the Core Network.
  • the MME of the MME/UPE 715 validates the LTE attach request, selects an APN, maps the selected APN to the AGW 720 and determines the GTP TEIDs and the NAPSI list (step 730).
  • the MME of the MME/UPE 715 forwards the NSAPI list to the AGW 720 to identify the user service end points.
  • the MME of the MME/UPE 715 validates the service list against the subscriber profile in the home subscriber server (HSS). The selection of APN is based on many variables including the service identification.
  • the MME/UPE 715 determines if a single tunnel is supported and/or requested, and notes the existence of the GTP TEIDs and NSAPI list (step 730).
  • the admission control point where the MME performs service validation against the user profile selects the appropriate APN for each service.
  • the MME then contacts the gateway(s) to establish the PD context for each service identified in the list and according to the respective QoS profile.
  • the MME/UPE 715 creates a PDP context request that includes information regarding at least one of the following: PDP Type, PDP Address, service list, NSAPI list, APNs list, eNodeB TEID and QoS (step 735).
  • the AGW 720 creates a PDP context response that preferably includes information regarding at least one of the following: PDP Type, PDP Address, APN, an indicator that the establishment of the GTP tunnel is granted, AGW TEID and QoS (step 740).
  • the WTRU 705 and the eNodeB 710 setup a plurality of radio access bearers (RABs) that include APNs, a service list and a NSAPI list (step 745).
  • RABs radio access bearers
  • the eNodeB 810 establishes a radio bearer for each service and uses the NSAPI list to mark each service.
  • the MME/UPE 715 and the eNodeB 710 exchange tunnel setup signaling that includes a mobile station international subscriber directory number (MSISDN), a PDP address, APNs, a NSAPI list and an AGW TEID, and the MME/UPE 715 sends tunnel establishment information to the eNodeB 710 after receiving an indication of acceptance from the AGW 720 to establish the tunnel.
  • MSISDN mobile station international subscriber directory number
  • PDP address PDP address
  • APNs a packet data packet address
  • APNs address
  • a NSAPI list an AGW TEID
  • the MME/UPE 715 sends tunnel establishment information to the eNodeB 710 after receiving an indication of acceptance from the AGW 720 to establish the tunnel.
  • the MME/UPE 715 sends an invoke trace message to the eNodeB 710.
  • the MME/UPE 715 sends an update PDP context request to the AGW 720 (step 760) to establish the new tunnel by informing the AGW 720 of the AGW TEID associated with the request, and the AGW 720 sends an update PDP context response to the MME/UPE 715 (step 765) confirming or rejecting the establishment of the tunnel and the associated attributes, (RNC TEID, PDP type, PDP address, user ID, and the like).
  • the MME/UPE 715 inserts the AGW address in its PDP context, sends the PDP address received from the AGW 720 (step 770) and prepares for the response to be sent down to the WTRU 705.
  • the MME/UPE 715 updates the PDP context in the AGW 720 to reflect any changes in the QoS attributes resulting from the RAB setup of step 745.
  • Tunnel establishing signaling is exchanged between the eNodeB 710 and the AGW 720 including the MSISDN, PDP address, eNodeB TEID, AGW TEID and NSAPI list (step 775.
  • the MME/UPE 715 sends an activate PDP context accept signal to the WTRU 705 that indicates the presence of a single tunnel (step 780).
  • the activate PDP context accept signal preferably includes PDF information, a service list, APNs and a NSAPI list.
  • the PDP information includes the IP address and IP version, (e.g., v4 or v6).
  • FIG. 8 shows an LTE single GTP tunnel establishment (PDF context modification) procedure 800 for activating multi-bearer services, which is implemented in a wireless communication system including a WTRU 805, an eNodeB 810, an MME/UPE 815 and an AGW 820 in accordance with a second embodiment of the present invention.
  • the WTRU 805 sends an modify PDF context request message to the eNodeB 810 and the MME/UPE 815 that includes one or more IEs (step 825).
  • the IEs may include one or more of the following: PDP type, PDP address, service list, APNs, a NSAPI list and QoS associated with each service (step 825).
  • the NAPSI list is used to map specific services to specific end points at the WTRU 805 and the Core Network.
  • the MME of the MME/UPE 815 validates the modify PDP context request, selects an APN, maps the selected APN to the AGW 820 and determines the GTP TEIDs and the NAPSI list (step 830).
  • the MME of the MME/UPE 815 determines if a single tunnel is supported and/or requested, and notes the existence of the GTP TEIDs and NSAPI list (step 830).
  • the MME/UPE 815 creates a modify PDP context request that includes information regarding at least one of the following: PDP Type, PDP Address, service list, NSAPI list, APNs list, eNodeB TEID and QoS (step 835).
  • the AGW 820 creates a PDP context response that preferably includes information regarding at least one of the following: PDP Type, PDP Address, APN, an indicator that the establishment of the GTP tunnel is granted, AGW TEID and QoS (step 840).
  • the WTRU 805 and the eNodeB 810 setup a plurality of RABs that include APNs, a service list and a NSAPI list (step 845).
  • the MME/UPE 815 and the eNodeB 810 exchange tunnel setup signaling that includes a mobile station international subscriber directory number (MSISDN), a PDP address, APNs, a NSAPI list and an AGW TEID, and the MME/UPE 815 sends tunnel establishment information to the eNodeB 810 after receiving an indication of acceptance from the AGW 820 to establish the tunnel.
  • MSISDN mobile station international subscriber directory number
  • the MME/UPE 815 sends an update PDP context request to the AGW 820 (step 860) to establish the new tunnel by informing the AGW 820 of the AGW TEID associated with the request, and the AGW 820 sends an update PDP context response to the MME/UPE 815 (step 865) confirming or rejecting the establishment of the tunnel and the associated attributes, (RNC TEID, PDP type, PDP address, user ID, and the like).
  • the MME/UPE 815 inserts the AGW address in its PDP context, sends the PDP address received from the AGW 820 (step 870) and prepares for the response to be sent down to the WTRU 805.
  • the MMEAJPE 815 updates the PDP context in the AGW 820 to reflect any changes in the QoS attributes resulting from the RAB setup of step 845.
  • a modified tunnel establishing signaling is exchanged between the eNodeB 810 and the AGW 820 including the MSISDN, PDP address, eNodeB TEID, AGW TEID and NSAPI list (step 875).
  • the MME/UPE 815 sends a modify PDP context accept signal to the WTRU 805 that indicates the presence of a single modified tunnel (step 880).
  • the activate PDP context accept signal preferably includes PDF information, a service list, APNs and a NSAPI list.
  • the above preferred methods are preferably implemented, by way of example, as software or middleware, at the WTRU and the eNodeB or similar base station.
  • the implementation is applicable to various communication layers, including by not limited to the network layer, the session layer and the presentation layer.
  • LTE attach request message including a list of services requiring activation, a list of network service access point identifiers (NSAPIs) and quality of service (QoS) profiles associated with the list of services;
  • NSAPIs network service access point identifiers
  • QoS quality of service
  • the method of embodiment 2 further comprising: the MME validating the service list against a subscriber profile in a home subscriber server (HSS) and authorizing the resources required to support the services required.
  • HSS home subscriber server
  • a method of activating multiple bearer services in a wireless communication system including a wireless transmit/receive unit (WTRU), an evolved Node-B (eNodeB), a mobility management entity (MME) and at least one access gateway (AGW), wherein a single default packet data protocol (PDP) context is established between the eNodeB and the AGW, the method comprising:
  • the method of embodiment 7 further comprising: the MME validating the service list against a subscriber profile in a home subscriber server (HSS) and authorizing the resources required to support the services required.
  • HSS home subscriber server
  • a method of activating multiple bearer services comprising: activating a plurality of the multiple bearers during a primary packet data protocol (PDP) context activation, wherein the PDP context activation is performed while packet switched (PS) attach procedures are initiated.
  • PDP packet data protocol
  • a wireless communication system comprising: a mobility management entity (MME); an evolved Node-B (eNodeB); at least one access gateway (AGW); and a wireless transmit/receive unit (WTRU) configured to send a long term evolution (LTE) attach request message to the MME via the eNodeB, the LTE attach request message including a list of services requiring activation, a list of network service access point identifiers (NSAPIs) and quality of service (QoS) profiles associated with the list of services, establish a packet data protocol (PDP) context between the eNodeB and the AGW for each service identified by the list of services, and establish a plurality of radio access bearers between the WTRU and the eNodeB for each service identified by the list of services using the associated NSAPIs.
  • MME mobility management entity
  • eNodeB evolved Node-B
  • AGW access gateway
  • WTRU wireless transmit/receive unit
  • NAPSI list is used to map specific services to specific end points at the WTRU.
  • MME is further configured to forward the NSAPI list to the AGW to identify the user service end points.
  • a wireless communication system comprising: a mobility management entity (MME); an evolved Node-B (eNodeB); an access gateway (AGW), wherein a single default packet data protocol (PDP) context is established between the eNodeB and the AGW; and a wireless transmit/receive unit (WTRU) configured to send a modify packet data protocol (PDP) context request message to the MME via the eNodeB, the modify PDP context request message including a list of services requiring activation and a list of network service access point identifiers (NSAPIs), establish an additional PDP context between the eNodeB and the AGW for each service identified by the list of services, and establish a plurality of radio access bearers between the WTRU and the eNodeB for each service identified by the list of services using the associated NSAPIs.
  • MME mobility management entity
  • eNodeB evolved Node-B
  • AGW access gateway
  • WTRU wireless transmit/receive unit
  • the WTRU sending an attach request message to the SGSN via the RAN, the attach request message including a list of services requiring activation, a list of network service access point identifiers (NSAPIs) and quality of service (QoS) profiles associated with the list of services;
  • NSAPIs network service access point identifiers
  • QoS quality of service
  • a method of activating multiple bearer services in a wireless communication system including a wireless transmit/receive unit (WTRU), a radio access network (RAN), a serving general packet radio service (GPRS) support node (SGSN) and at least one gateway GPRS support node (GGSN), wherein a single default packet data protocol (PDP) context is established between the EAN and the GGSN, the method comprising:
  • the WTRU sending a modify PDP context request message to the SGSN via the RAN, the modify PDP context request message including a list of services requiring activation and a list of network service access point identifiers (NSAPIs);
  • NSAPIs network service access point identifiers
  • the WTRU sending an attach request message to the SGSN via the RAN, the attach request message including a list of services requiring activation, a list of network service access point identifiers (NSAPIs) and quality of service (QoS) profiles associated with the list of services;
  • NSAPIs network service access point identifiers
  • QoS quality of service
  • SGSN establishing general packet radio service (GPRS) tunneling protocol (GTP) tunneling required between the GGSN and the SGSN;
  • GPRS general packet radio service
  • GTP general packet radio service tunneling protocol
  • a method of activating multiple bearer services in a wireless communication system including a wireless transmit/receive unit (WTRU), a radio access network (RAN), a serving general packet radio service (GPRS) support node (SGSN) and at least one gateway GPRS support node (GGSN), wherein a single default packet data protocol (PDP) context is established through an attach procedure between the SGSN and the GGSN, the method comprising:
  • the WTRU sending a modify PDP context request message to the SGSN via the RAN, the modify PDP context request message including a list of services requiring activation and a list of network service access point identifiers (NSAPIs);
  • NSAPIs network service access point identifiers
  • ROM read only memory
  • RAM random access memory
  • register cache memory
  • semiconductor memory devices magnetic media such as internal hard disks and removable disks, magneto- optical media, and optical media such as CD-ROM disks, and digital versatile disks (DVDs).
  • Suitable processors include, by way of example, a general purpose processor, a special purpose processor, a conventional processor, a digital signal processor (DSP), a plurality of microprocessors, one or more microprocessors in association with a DSP core, a controller, a microcontroller, Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) circuits, any other type of integrated circuit (IC), and/or a state machine.
  • a processor in association with software may be used to implement a radio frequency transceiver for use in a wireless transmit receive unit (WTRU), user equipment (UE), terminal, base station, radio network controller (RNC), or any host computer.
  • WTRU wireless transmit receive unit
  • UE user equipment
  • RNC radio network controller
  • the WTRU may be used in conjunction with modules, implemented in hardware and/or software, such as a camera, a video camera module, a videophone, a speakerphone, a vibration device, a speaker, a microphone, a television transceiver, a hands free headset, a keyboard, a Bluetooth® module, a frequency modulated (FM) radio unit, a liquid crystal display (LCD) display unit, an organic light-emitting diode (OLED) display unit, a digital music player, a media player, a video game player module, an Internet browser, and/or any wireless local area network (WLAN) module.
  • modules implemented in hardware and/or software, such as a camera, a video camera module, a videophone, a speakerphone, a vibration device, a speaker, a microphone, a television transceiver, a hands free headset, a keyboard, a Bluetooth® module, a frequency modulated (FM) radio unit, a liquid crystal display (LCD) display unit, an organic light-emit

Abstract

La présente invention concerne un procédé d'activation de services multi-porteuses dans un système de communication sans fil d'évolution à long terme (LTE) comprenant ces porteuses. Au moins une des multi-porteuses est activée lors des procédures de jointure initiales qui combinent une procédure de jointure à des procédures d'activation contextuelles de protocole d'activation de données de paquets (PDP). Dans un mode de réalisation les procédures de jointure LTE sont implémentées pour l'activation de services multi-porteuses qui établit un tunnel de protocole par effet tunnel (GTP) de service LTE direct général de radiocommunication par paquet (GPRS) ou une opération de tunnel double GTP. Dans un autre mode de réalisation, les procédures de jointure initiales sont utilisées pour activer un contexte PDP par défaut à faire suivre par des procédures d'activation à contexte PDP modifié pour l'activation de services multi-porteuses. Ces procédures peuvent être utilisées pour établir un tunnel GTP LTE direct modifié ou une opération GTP normale à tunnel double.
PCT/US2007/013665 2006-07-12 2007-06-11 Activation de services multi-porteuses dans un système d'évolution à long terme WO2008008145A2 (fr)

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US83019406P 2006-07-12 2006-07-12
US60/830,194 2006-07-12
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US60/940,987 2007-05-31

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ES2362524A1 (es) * 2009-08-27 2011-07-07 Vodafone España S.A.U. Procedimiento, sistema y dispositivo para transmitir paquetes de datos de redes multi-rat.
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Cited By (9)

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Publication number Priority date Publication date Assignee Title
US8401068B2 (en) 2008-10-24 2013-03-19 Qualcomm Incorporated Device attachment and bearer activation using cell relays
KR101252031B1 (ko) * 2008-10-24 2013-04-10 퀄컴 인코포레이티드 셀 릴레이 네트워크 부착 절차들
US8902805B2 (en) 2008-10-24 2014-12-02 Qualcomm Incorporated Cell relay packet routing
US9088939B2 (en) 2008-10-24 2015-07-21 Qualcomm Incorporated Bearer QoS mapping for cell relays
WO2010083939A1 (fr) * 2009-01-23 2010-07-29 Ip.Access Limited Procédé et appareil destinés à permettre un accès à un réseau à commutation de paquets
ES2362524A1 (es) * 2009-08-27 2011-07-07 Vodafone España S.A.U. Procedimiento, sistema y dispositivo para transmitir paquetes de datos de redes multi-rat.
US8971243B2 (en) 2009-08-27 2015-03-03 Vodafone Group Plc Transmitting data packets in multi-rat networks
US11284289B2 (en) 2017-10-26 2022-03-22 Huawei Technologies Co., Ltd. Techniques for quality of service negotiation
US11856444B2 (en) 2017-10-26 2023-12-26 Huawei Technologies Co., Ltd. Techniques for quality of service negotiation

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TWM329296U (en) 2008-03-21
DE202007009672U1 (de) 2007-10-04
AR061880A1 (es) 2008-10-01
TW200805974A (en) 2008-01-16

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