WO2011072020A2 - Procédé et appareil destinés à la duplication et au partage de sessions - Google Patents

Procédé et appareil destinés à la duplication et au partage de sessions Download PDF

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Publication number
WO2011072020A2
WO2011072020A2 PCT/US2010/059475 US2010059475W WO2011072020A2 WO 2011072020 A2 WO2011072020 A2 WO 2011072020A2 US 2010059475 W US2010059475 W US 2010059475W WO 2011072020 A2 WO2011072020 A2 WO 2011072020A2
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WO
WIPO (PCT)
Prior art keywords
application
network
mediation device
session
orchestration manager
Prior art date
Application number
PCT/US2010/059475
Other languages
English (en)
Other versions
WO2011072020A3 (fr
Inventor
Debashish Purkayastha
Kamel M. Shaheen
Original Assignee
Interdigital Patent Holdings, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Patent Holdings, Inc. filed Critical Interdigital Patent Holdings, Inc.
Priority to MX2012006478A priority Critical patent/MX2012006478A/es
Priority to JP2012543248A priority patent/JP5632485B2/ja
Priority to CN2010800556489A priority patent/CN102668498A/zh
Priority to AU2010328211A priority patent/AU2010328211A1/en
Priority to EP10795151A priority patent/EP2510667A2/fr
Publication of WO2011072020A2 publication Critical patent/WO2011072020A2/fr
Publication of WO2011072020A3 publication Critical patent/WO2011072020A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1093—In-session procedures by adding participants; by removing participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1089—In-session procedures by adding media; by removing media
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1094—Inter-user-equipment sessions transfer or sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/765—Media network packet handling intermediate
    • 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

Definitions

  • This application is related to wireless communications.
  • Multimedia applications have opened up a variety of tasks and features to be enjoyed by the public. It is now possible to surf the Internet from a cellular phone, send a text message to a friend across the country, listen to streaming audio, or watch streaming video. To access these services, a session is established with an entity that provides the services, for example, an advanced multimedia system (AMS).
  • AMS operates in accordance with a set of electronic communication protocols that allow multiple devices and software agents to coordinate for providing the user with a rich multimedia communication experience.
  • FIG. 1 shows architecture of an AMS system 100.
  • the AMS system includes application/device 105 that may include projector, printer, smart phone, audio player, television (TV)/video monitor, laptop, and the like.
  • the application/device 105 is configured to communicate with a wireless transmit/receive unit (WTRU) or any other user device 110.
  • WTRU or any other user device 110 is configured to communicate with the next generation network (NGN) services 120, which is in communication with a service node (SN) 130 and a network service facility (NSF) 140.
  • NGN next generation network
  • SN service node
  • NSF network service facility
  • the WTRU 110 may include transport layer 112, NGN service functions 114, and H.325 container 116.
  • the H.325 container is a function that represents the user to the network.
  • the H.325 container includes sub-functions as application registry (AR) 117, orchestration manager (OM) 118, and transport agent (TA) 119.
  • the container is more like a personal that moves with the user (i.e., WTRU).
  • the container function is not restricted to be in a home gateway, home NodeB, set top box, and the like.
  • the container may communicate among them to manage the communication.
  • the AR 117 is the entity where individual applications register to declare their availability to a particular container.
  • the OM 118 coordinates events between the applications to create an AMS session.
  • the TA 119 manages the signaling between AMS assemblages.
  • An AMS assemblage is a set of AMS elements that represent the logical association between the elements required for user interaction.
  • AMS a video conference that includes voice and video elements may be referred to as an AMS Assemblage.
  • the NSF 140 provides transcoding and other functions.
  • the SN 130 maintains a network level view of services available and may communicate with the OM 118 to locate devices.
  • FIG. 2 shows a basic call setup scenario 200.
  • the applications/devices 205 receive an indication from the AR 210 for discovery.
  • the applications/devices 205 sends a register request to the AR 210.
  • the AR 210 combines all the applications application descriptions (ADs), identities (IDs), and the like.
  • the ADs are defined using XML like language, so that a container has detailed knowledge about the application and the device it is running on.
  • the AR forwards a register request to the OM 215.
  • the OM 215 initiates interaction with the user.
  • the OM 215 sends a register confirmation message to the AR 210, which forwards the register confirmation to the applications/devices 205.
  • the user initiates communication from the OM 215.
  • the OM 215 sends a pre-invoke request message to the AR 210, which forwards the pre-invoke request message to the applications/devices 205.
  • the applications/devices 205 send a pre-invoke confirmation message to the AR 210, which forwards the pre-invoke confirmation message to the OM 215.
  • the OM 215 sends a connect request message to the TA 220, which forwards the connect request message to the network.
  • the TA 220 receives the connect alert and connect confirmation message over the NGN.
  • the TA 220 forwards the connect confirm message to the OM 215, which sends an invoke request message to the AR 210, which send the invoke request message to the applications/devices 205.
  • the applications/devices 205 sends an invoke confirmation message to the AR 210, which sends the invoke confirmation message to the OM 215, which sends the invoke confirmation message to the TA 220.
  • the resources between source and sink pairs with different requirements i.e., delay, bandwidth, jitter) are reserved.
  • the communication starts and the media flows directly between the applications/devices 205 through the network.
  • a method and apparatus for session duplication within the AMS framework are disclosed wherein a session running on a first application/device is duplicated on a second application/device.
  • a method and apparatus for sharing media is disclosed wherein a media running on a first application/device is shared with a second application/device.
  • a mediation device for use in an H.325 network comprising an application registry configured to register an application and determine whether a session is running on a first application, and an orchestration manager configured to detect that a user has triggered a session duplication on a second application, send a duplication request to a network for a connection establishment between the first application and the second application, and receive a message confirming the connection establishment from the network on a condition that the network has initiated connection establishment with the second application.
  • a mediation device for use in an H.325 network comprising an application registry configured to register a first application and a second application, an orchestration manager configured to receive a trigger for a session setup request on the second application, the orchestration manager configured to send a message to the application registry seeking whether the second application is available and that the second application is capable of running same session as the one running on the first application, and upon receiving an acknowledgement of verification, the orchestration manager configured to send a request for transcoder download to a network.
  • a computer-readable storage medium containing instructions, which when executed in a mediation device for use in an H.325 network, cause the mediation device to perform a method comprising registering a first application and a second application, receiving a trigger for a session setup request on the second application, sending a message seeking whether the second application is available and that the second application is capable of running same session as the one running on the first application, and upon receiving an acknowledgement of verification, sending a request for transcoder download to a network.
  • Figure 1 shows an architecture of an AMS
  • Figure 2 shows a signal diagram of a call setup scenario
  • FIG. 3A is a system diagram of an example communications system in which one or more disclosed embodiments may be implemented;
  • Figure 3B is a system diagram of an example wireless transmit/receive unit (WTRU) that may be used within the communications system illustrated in Figure 3A;
  • WTRU wireless transmit/receive unit
  • Figure 3C is a system diagram of an example radio access network and an example core network that may be used within the communications system illustrated in Figure 3A;
  • Figure 5 shows a signal diagram of a session duplication scenario
  • Figure 6 shows a flow diagram of a proposed method for a media sharing scenario in accordance with an embodiment
  • Figure 7 shows a signal diagram of a media sharing scenario.
  • 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 a Node-B, a site controller, an access point (AP), or any other type of interfacing device capable of operating in a wireless environment.
  • FIG. 3A is a diagram of an example communications system 300 in which one or more disclosed embodiments may be implemented.
  • the communications system 300 may be a multiple access system that provides content, such as voice, data, video, messaging, broadcast, etc., to multiple wireless users.
  • the communications system 300 may enable multiple wireless users to access such content through the sharing of system resources, including wireless bandwidth.
  • the communications systems 300 may employ one or more channel access methods, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), single- carrier FDMA (SC-FDMA), and the like.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal FDMA
  • SC-FDMA single- carrier FDMA
  • the communications system 300 may include wireless transmit/receive units (WTRUs) 308a, 308b, 308c, 308d, a radio access network (RAN) 304, a core network 306, a public switched telephone network (PSTN) 308, the Internet 310, and other networks 312, though it will be appreciated that the disclosed embodiments contemplate any number of WTRUs, base stations, networks, and/or network elements.
  • WTRUs 308a, 308b, 308c, 308d may be any type of device configured to operate and/or communicate in a wireless environment.
  • the WTRUs 308a, 308b, 308c, 308d may be configured to transmit and/or receive wireless signals and may include user equipment (UE), a mobile station, a fixed or mobile subscriber unit, a pager, a cellular telephone, a personal digital assistant (PDA), a smartphone, a laptop, a netbook, a personal computer, a wireless sensor, consumer electronics, and the like.
  • UE user equipment
  • PDA personal digital assistant
  • smartphone a laptop
  • netbook a personal computer
  • a wireless sensor consumer electronics, and the like.
  • Each of the base stations 314a, 314b may be any type of device configured to wirelessly interface with at least one of the WTRUs 308a, 308b, 308c, 308d to facilitate access to one or more communication networks, such as the core network 306, the Internet 310, and/or the networks 312.
  • the base stations 314a, 314b may be a base transceiver station (BTS), a Node-B, an eNode B, a Home Node B, a Home eNode B, a site controller, an access point (AP), a wireless router, and the like. While the base stations 314a, 314b are each depicted as a single element, it will be appreciated that the base stations 314a, 314b may include any number of interconnected base stations and/or network elements.
  • the base station 314a may be part of the RAN 304, which may also include other base stations and/or network elements (not shown), such as a base station controller (BSC), a radio network controller (RNC), relay nodes, etc.
  • BSC base station controller
  • RNC radio network controller
  • the base station 314a and/or the base station 314b may be configured to transmit and/or receive wireless signals within a particular geographic region, which may be referred to as a cell (not shown).
  • the cell may further be divided into cell sectors.
  • the cell associated with the base station 314a may be divided into three sectors.
  • the base station 314a may include three transceivers, i.e., one for each sector of the cell.
  • the base station 314a may employ multiple-input multiple output (MIMO) technology and, therefore, may utilize multiple transceivers for each sector of the cell.
  • MIMO multiple-input multiple output
  • the base stations 314a, 314b may communicate with one or more of the WTRUs 308a, 308b, 308c, 308d over an air interface 316, which may be any suitable wireless communication link (e.g., radio frequency (RF), microwave, infrared (IR), ultraviolet (UV), visible light, etc.).
  • the air interface 316 may be established using any suitable radio access technology (RAT).
  • RAT radio access technology
  • the communications system 300 may be a multiple access system and may employ one or more channel access schemes, such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA, and the like.
  • the base station 314a in the RAN 304 and the WTRUs 308a, 308b, 308c may implement a radio technology such as Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access (UTRA), which may establish the air interface 316 using wideband CDMA (WCDMA).
  • WCDMA may include communication protocols such as High-Speed Packet Access (HSPA) and/or Evolved HSPA (HSPA+).
  • HSPA may include High-Speed Downlink Packet Access (HSDPA) and/or High-Speed Uplink Packet Access (HSUPA).
  • the base station 314a and the WTRUs 308a are identical to the base station 314a and the WTRUs 308a.
  • E-UTRA Evolved UMTS Terrestrial Radio Access
  • LTE Long Term Evolution
  • LTE-A LTE- Advanced
  • the base station 314a and the WTRUs 308a are identical to the base station 314a and the WTRUs 308a.
  • 308b, 308c may implement radio technologies such as IEEE 802.16 (i.e., Worldwide Interoperability for Microwave Access (WiMAX)), CDMA2000, CDMA2000 IX, CDMA2000 EV-DO, Interim Standard 2000 (IS-2000), Interim Standard 95 (IS-95), Interim Standard 856 (IS-856), Global System for Mobile communications (GSM), Enhanced Data rates for GSM Evolution (EDGE), GSM EDGE (GERAN), and the like.
  • IEEE 802.16 i.e., Worldwide Interoperability for Microwave Access (WiMAX)
  • CDMA2000, CDMA2000 IX, CDMA2000 EV-DO Code Division Multiple Access 2000
  • IS-95 Interim Standard 95
  • IS-856 Interim Standard 856
  • GSM Global System for Mobile communications
  • GSM Global System for Mobile communications
  • EDGE Enhanced Data rates for GSM Evolution
  • GERAN GSM EDGE
  • the base station 314b in Figure 3A may be a wireless router, Home
  • Node B, Home eNode B, or access point may utilize any suitable RAT for facilitating wireless connectivity in a localized area, such as a place of business, a home, a vehicle, a campus, and the like.
  • the base station 314b and the WTRUs 308c, 308d may implement a radio technology such as IEEE 802.11 to establish a wireless local area network (WLAN).
  • the base station 314b and the WTRUs 308c, 308d may implement a radio technology such as IEEE 802.15 to establish a wireless personal area network (WPAN).
  • WLAN wireless local area network
  • WPAN wireless personal area network
  • the base station 314b and the WTRUs 308c, 308d may utilize a cellular-based RAT (e.g., WCDMA, CDMA2000, GSM, LTE, LTE-A, etc.) to establish a picocell or femtocell.
  • a cellular-based RAT e.g., WCDMA, CDMA2000, GSM, LTE, LTE-A, etc.
  • the base station 314b may have a direct connection to the Internet 310.
  • the base station 314b may not be required to access the Internet 310 via the core network 306.
  • the RAN 304 may be in communication with the core network 306, which may be any type of network configured to provide voice, data, applications, and/or voice over internet protocol (VoIP) services to one or more of the WTRUs 308a, 308b, 308c, 308d.
  • the core network 306 may provide call control, billing services, mobile location-based services, pre-paid calling, Internet connectivity, video distribution, etc., and/or perform high-level security functions, such as user authentication.
  • the RAN 304 and/or the core network 306 may be in direct or indirect communication with other RANs that employ the same RAT as the RAN 304 or a different RAT.
  • the core network 306 may also be in communication with another RAN (not shown) employing a GSM radio technology.
  • the core network 306 may also serve as a gateway for the WTRUs
  • the PSTN 308 may include circuit- switched telephone networks that provide plain old telephone service (POTS).
  • POTS plain old telephone service
  • the Internet 310 may include a global system of interconnected computer networks and devices that use common communication protocols, such as the transmission control protocol (TCP), user datagram protocol (UDP) and the internet protocol (IP) in the TCP/IP internet protocol suite.
  • TCP transmission control protocol
  • UDP user datagram protocol
  • IP internet protocol
  • the networks 312 may include wired or wireless communications networks owned and/or operated by other service providers.
  • the networks 312 may include another core network connected to one or more RANs, which may employ the same RAT as the RAN 304 or a different RAT.
  • Some or all of the WTRUs 308a, 308b, 308c, 308d in the communications system 300 may include multi-mode capabilities, i.e., the WTRUs 308a, 308b, 308c, 308d may include multiple transceivers for communicating with different wireless networks over different wireless links.
  • the WTRU 308c shown in Figure 3A may be configured to communicate with the base station 314a, which may employ a cellular-based radio technology, and with the base station 314b, which may employ an IEEE 802 radio technology.
  • FIG. 3B is a system diagram of an example WTRU 308.
  • the WTRU 308 may include a processor 318, a transceiver 320, a transmit/receive element 322, a speaker/microphone 324, a keypad 326, a display/touchpad 328, non-removable memory 330, removable memory 332, a power source 334, a global positioning system (GPS) chipset 336, and other peripherals 338.
  • GPS global positioning system
  • the processor 318 may be 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 Array (FPGAs) circuits, any other type of integrated circuit (IC), a state machine, and the like.
  • the processor 318 may perform signal coding, data processing, power control, input/output processing, and/or any other functionality that enables the WTRU 308 to operate in a wireless environment.
  • the processor 318 may be coupled to the transceiver 320, which may be coupled to the transmit/receive element 322. While Figure 3B depicts the processor 318 and the transceiver 320 as separate components, it will be appreciated that the processor 318 and the transceiver 320 may be integrated together in an electronic package or chip.
  • the transmit/receive element 322 may be configured to transmit signals to, or receive signals from, a base station (e.g., the base station 314a) over the air interface 316.
  • a base station e.g., the base station 314a
  • the transmit/receive element 322 may be an antenna configured to transmit and/or receive RF signals.
  • the transmit/receive element 322 may be an emitter/detector configured to transmit and/or receive IR, UV, or visible light signals, for example.
  • the transmit/receive element 322 may be configured to transmit and receive both RF and light signals. It will be appreciated that the transmit/receive element 322 may be configured to transmit and/or receive any combination of wireless signals.
  • the WTRU 308 may include any number of transmit/receive elements 322. More specifically, the WTRU 308 may employ MIMO technology. Thus, in one embodiment, the WTRU 308 may include two or more transmit/receive elements 322 (e.g., multiple antennas) for transmitting and receiving wireless signals over the air interface 316.
  • the WTRU 308 may include two or more transmit/receive elements 322 (e.g., multiple antennas) for transmitting and receiving wireless signals over the air interface 316.
  • the transceiver 320 may be configured to modulate the signals that are to be transmitted by the transmit/receive element 322 and to demodulate the signals that are received by the transmit/receive element 322.
  • the WTRU 308 may have multi-mode capabilities.
  • the transceiver 320 may include multiple transceivers for enabling the WTRU 308 to communicate via multiple RATs, such as UTRA and IEEE 802.11, for example.
  • the non-removable memory 330 may include random-access memory (RAM), read-only memory (ROM), a hard disk, or any other type of memory storage device.
  • the removable memory 332 may include a subscriber identity module (SIM) card, a memory stick, a secure digital (SD) memory card, and the like.
  • SIM subscriber identity module
  • SD secure digital
  • the processor 318 may access information from, and store data in, memory that is not physically located on the WTRU 308, such as on a server or a home computer (not shown).
  • the processor 318 may receive power from the power source 334, and may be configured to distribute and/or control the power to the other components in the WTRU 308.
  • the power source 334 may be any suitable device for powering the WTRU 308.
  • the power source 334 may include one or more dry cell batteries (e.g., nickel-cadmium (NiCd), nickel-zinc (NiZn), nickel metal hydride (NiMH), lithium-ion (Li-ion), etc.), solar cells, fuel cells, and the like.
  • the processor 318 may further be coupled to other peripherals 338, which may include one or more software and/or hardware modules that provide additional features, functionality and/or wired or wireless connectivity.
  • the peripherals 338 may include an accelerometer, an e-compass, a satellite transceiver, a digital camera (for photographs or video), a universal serial bus (USB) port, a vibration device, a television transceiver, a hands free headset, a Bluetooth® module, a frequency modulated (FM) radio unit, a digital music player, a media player, a video game player module, an Internet browser, and the like.
  • the peripherals 338 may include an accelerometer, an e-compass, a satellite transceiver, a digital camera (for photographs or video), a universal serial bus (USB) port, a vibration device, a television transceiver, a hands free headset, a Bluetooth® module, a frequency modulated (FM) radio unit, a digital music player, a media player, a video game player
  • Figure 3C is a system diagram of the RAN 304 and the core network
  • the RAN 304 may include eNode-Bs 340a, 340b, 340c, though it will be appreciated that the RAN 304 may include any number of eNode-Bs while remaining consistent with an embodiment.
  • the eNode-Bs 340a, 340b, 340c may each include one or more transceivers for communicating with the WTRUs 308a, 308b, 308c over the air interface 316.
  • the eNode-Bs 340a, 340b, 340c may implement MIMO technology.
  • the eNode-B 340a for example, may use multiple antennas to transmit wireless signals to, and receive wireless signals from, the WTRU 308a.
  • Each of the eNode-Bs 340a, 340b, 340c may be associated with a particular cell (not shown) and may be configured to handle radio resource management decisions, handover decisions, scheduling of users in the uplink and/or downlink, and the like. As shown in Figure 3C, the eNode-Bs 340a, 340b, 340c may communicate with one another over an X2 interface.
  • the core network 306 shown in Figure 3C may include a mobility management gateway (MME) 344, a serving gateway 346, and a packet data network (PDN) gateway 348. While each of the foregoing elements are depicted as part of the core network 306, it will be appreciated that any one of these elements may be owned and/or operated by an entity other than the core network operator.
  • MME mobility management gateway
  • PDN packet data network
  • the MME 344 may be connected to each of the eNode-Bs 340a, 340b,
  • the MME 344 may be responsible for authenticating users of the WTRUs 308a, 308b, 308c, bearer activation/deactivation, selecting a particular serving gateway during an initial attach of the WTRUs 308a, 308b, 308c, and the like.
  • the MME 344 may also provide a control plane function for switching between the RAN 304 and other RANs (not shown) that employ other radio technologies, such as GSM or WCDMA.
  • the serving gateway 346 may be connected to each of the eNode Bs
  • the serving gateway 346 may generally route and forward user data packets to/from the WTRUs 308a, 308b, 308c.
  • the serving gateway 346 may also perform other functions, such as anchoring user planes during inter-eNode B handovers, triggering paging when downlink data is available for the WTRUs 308a, 308b, 308c, managing and storing contexts of the WTRUs 308a, 308b, 308c, and the like.
  • the serving gateway 346 may also be connected to the PDN gateway
  • the WTRUs 308a, 308b, 308c may provide the WTRUs 308a, 308b, 308c with access to packet- switched networks, such as the Internet 310, to facilitate communications between the WTRUs 308a, 308b, 308c and IP-enabled devices.
  • packet- switched networks such as the Internet 310
  • the core network 306 may facilitate communications with other networks.
  • the core network 306 may provide the WTRUs 308a, 308b, 308c with access to circuit- switched networks, such as the PSTN 308, to facilitate communications between the WTRUs 308a, 308b, 308c and traditional land-line communications devices.
  • the core network 306 may include, or may communicate with, an IP gateway (e.g., an IP multimedia subsystem (IMS) server) that serves as an interface between the core network 306 and the PSTN 308.
  • IMS IP multimedia subsystem
  • the core network 306 may provide the WTRUs 308a, 308b, 308c with access to the networks 312, which may include other wired or wireless networks that are owned and/or operated by other service providers.
  • the duplication of a video and/or audio stream may be desirable for a number of reasons. For example, a person may be watching a movie at home with family and/or friends, and the person receives a phone call requiring him/her to leave the house. In this case, the person may want to duplicate the video stream on his/her cellular phone while his family and/or friends continue to watch the movie on the screen at home. Control of the video stream may remain in the hands of those watching the video at home, with the user leaving, or with both.
  • a person may be involved in a video conference and may want to duplicate the video session, audio session, or both, on his/her cellular phone as the person steps out of the conference room. If the person returns to the conference room, they may desire to stop the duplicated session.
  • This duplication may be in, for example, an AMS type of system.
  • FIG. 4 is a block diagram of a session duplication scenario 400 from a mediation device (i.e., a WTRU) perspective.
  • the AR registers a first application to determine that a session is running on the first application 405.
  • the OM detects that a user has triggered a session duplication 410.
  • the OM sends a duplication request message to a network requesting a connection between the first application and a second application 415. It is determined whether the network has established a connection with the second application 420. On a condition that the network has established a connection with the second application, the OM receives a connection establishment from the network 425. On a condition that the network has not established a connection with the second application, the determination of whether a connection can be established with the second application is repeated 420.
  • Figure 5 shows a signal diagram of a session duplication scenario
  • a mediation device 510 includes an AR 511, an OM 512, and a TA 513.
  • the network elements 515 include a SN 516 and a media server 517.
  • a session may be running on a first application, or device, such as Al 520.
  • the session may include flows, for example, Flowl and Flow2.
  • the flows may be audio and/or video data.
  • a trigger may occur, which may be a user trigger for duplication of the session on a second application or device 522.
  • the second application or device A2 may or may not be part of the mediation device.
  • the trigger may occur in the OM 512 within the mediation device 510, which may be for example, a cell phone.
  • the capability and/or availability of A2 may be verified 524 via a message from the OM to the AR, and capability verification may occur 526.
  • the capability verification may be performed between A2 and the AR.
  • An OK message may be sent 528 from the AR 511 to the OM 512.
  • a duplication request message may be sent 530 from the OM 512 to a SN 516 via the TA 513.
  • the remote leg may be updated 542 between the SN 516 and the media server 517, and the SN 516 may instruct the NSF to duplicate the media stream running 544 on the first application (i.e., Al) onto the second application (i.e., A2).
  • the session may be duplicated on the second application, A2 546.
  • Flowl, Flow2, or both Flowl and Flow 2 may be duplicated. Any number of Flows can be included here, but only two are shown for simplicity.
  • the AR 511, the OM 512, the TA 513, and the A2 505 may exist in a mediation device, such as a cell phone, and the SN 516 and the media server 517 may exist in a network element 515.
  • the sharing of media maybe desirable for a number of reasons. For example, a user may go on a vacation where he has taken a large number of photographs using his mobile phone. He may desire to show the photographs to friends and/or relatives on a large screen television (TV) that does not support the format of his mobile phone photographs, and may not have had the time or opportunity to convert the photographs or store them on, for example, a storage server or media card. Accordingly, he may activate an application on his cellular phone that projects a slide show onto the TV, and may want to use his cellular phone to control the slide show, skipping pictures, re-sizing pictures, zooming, rotating, and the like.
  • TV large screen television
  • FIG. 6 shows a flow diagram 600 proposed for a media sharing scenario.
  • the AR registers a first application and a second application 605.
  • the OM receives a trigger from a user for a session setup request on the second application 610.
  • the OM sends a message to the AR seeking availability and capability of the second application 615.
  • the OM sends a request for transcoder download to a network 620.
  • the OM receives a download transcoder module from the network 625.
  • transcoding takes place in the network that has a separate node, which performs transcoding.
  • This may not be suitable and/or efficient for media shared locally because a local video may be shared that needs to be transcoded in the network.
  • the method and apparatus described herewith performs transcoding algorithm and downloads the associated code from the network to the container, which is a local entity.
  • the media is transcoded using the downloaded codec.
  • time and bandwidth are saved. The result is much faster video/photo sharing among local device.
  • Figure 7 shows a signal diagram 700 of a media sharing scenario.
  • vacation photos are in a first application or device (Al) 706.
  • a display, such as a big screen display may be for a second application or device (A2) 707.
  • the applications or device Al and A2 may already be registered with the AR or they may be registered on demand with the AR 720.
  • a trigger may occur at the OM 712 to trigger for a session setup on the application or device A2 722.
  • the trigger may be a user trigger and may be performed by the application or device Al to the OM 712.
  • the capability and/or availability of A2 may be verified 724 via a message from the OM 712 to the AR 711, and capability verification may occur 726.
  • An OK message may be sent 728 from the AR 711 to the OM 712.
  • the capability verification maybe performed 726 between A2 707 and the AR 711.
  • a trying acknowledgment (ACK) may be sent 730 from the OM 712 to Al 706, and a request for transcoder download may be sent 732 from the OM 712 to the SN 716, via the TA 713.
  • the SN 716 may signal the request for transcoder download to the NSF 717.
  • the transcoder module may be downloaded 736 by the OM 712 from the NSF 717 via the TA 713.
  • a local IP may be obtained and the media path may be setup 738 from the OM 712 to the A2 707 via the AR 711.
  • a determination of the setup being complete may be made 740 at the A2 707. This may be signaled to the Al 706 by the OM 712.
  • the media, such as photos and/or music 744, and control of the media, (e.g., slide show control) 742 may be received by the transcoder 748 from the first application or device Al 706 and transmitted 746 by the transcoder 748 to the second application or device A2 707.
  • the AR, OM, TA, and Al may exist in a mediation device, such as a cellphone, and the SN and NSF may exist in network elements.
  • a mediation device such as a cellphone
  • the SN and NSF may exist in network elements.
  • the examples described herewith depict the sharing of photos such as vacation photos, it is to be noted that any type of media may be shared.
  • only two applications, Al and A2 are depicted for example purposes, any number of applications or devices may be utilized.
  • a mediation device for use in an H.325 network comprising:
  • an application registry configured to register an application and determine whether a session is running on a first application.
  • the mediation device as in embodiment 1, further comprising: an orchestration manager configured to:
  • the mediation device as in any one of embodiments 1-2 wherein the orchestration manager is configured to receive a connection OK message from the network.
  • the mediation device as in any one of embodiments 1-4 wherein the orchestration manager is configured to receive an invoke confirmation from the second application. 6. The mediation device as in any one of embodiments 1-5 wherein the orchestration manager is configured to send the invoke confirmation to the network for a session duplication.
  • a mediation device for use in an H.325 network comprising:
  • an application registry configured to register a first application and a second application.
  • the mediation device as in embodiment 9, further comprising: an orchestration manager configured to receive a trigger for a session setup request on the second application;
  • the orchestration manager configured to send a message to the application registry seeking whether the second application is available and that the second application is capable of running same session as the one running on the first application;
  • the orchestration manager configured to send a request for transcoder download to a network.
  • the mediation device as in embodiment 10 wherein transcoding algorithm and associated code is downloaded from the network to a local entity. 12. The mediation device as in any one of embodiments 9-11 wherein the application registry, the orchestration manager, and a transport agent are subfuctions of a container function.
  • Examples of computer- readable storage media include, but are not limited to, a read only memory (ROM), a random access memory (RAM), a 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).
  • 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).
  • a processor in association with software may be used to implement a radio frequency transceiver for use in a WTRU, UE, terminal, base station, RNC, or any host computer.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

La présente invention concerne un procédé et un appareil destinés à la duplication de sessions au sein du cadre du système multimédia avancé (AMS). Le procédé comprend la duplication d'une session s'exécutant sur une première application ou un premier dispositif sur une seconde application ou un second dispositif. La présente invention concerne un procédé et un appareil permettant de partager du multimédia. Le procédé comprend le partage de multimédia s'exécutant sur une première application ou un premier dispositif avec une seconde application ou un second dispositif.
PCT/US2010/059475 2009-12-09 2010-12-08 Procédé et appareil destinés à la duplication et au partage de sessions WO2011072020A2 (fr)

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MX2012006478A MX2012006478A (es) 2009-12-09 2010-12-08 Metodo y aparato para duplicacion de sesion y comparticion de sesion.
JP2012543248A JP5632485B2 (ja) 2009-12-09 2010-12-08 セッション複製およびセッション共有のための方法および装置
CN2010800556489A CN102668498A (zh) 2009-12-09 2010-12-08 用于会话复制和会话共享的方法和装置
AU2010328211A AU2010328211A1 (en) 2009-12-09 2010-12-08 Method and apparatus for session duplication and session sharing
EP10795151A EP2510667A2 (fr) 2009-12-09 2010-12-08 Procédé et appareil destinés à la duplication et au partage de sessions

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US26798609P 2009-12-09 2009-12-09
US26799209P 2009-12-09 2009-12-09
US61/267,986 2009-12-09
US61/267,992 2009-12-09

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JP2013514006A (ja) 2013-04-22
JP2014239509A (ja) 2014-12-18
AR079325A1 (es) 2012-01-18
US20110138060A1 (en) 2011-06-09
MX2012006478A (es) 2012-11-22
EP2510667A2 (fr) 2012-10-17
AU2010328211A1 (en) 2012-07-05
CN102668498A (zh) 2012-09-12
TW201141161A (en) 2011-11-16
WO2011072020A3 (fr) 2011-09-22
KR20120117996A (ko) 2012-10-25

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