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WO2010078678A1 - 跨Iur口传递小区能力的方法、系统及DRNC - Google Patents

跨Iur口传递小区能力的方法、系统及DRNC Download PDF

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Publication number
WO2010078678A1
WO2010078678A1 PCT/CN2008/073825 CN2008073825W WO2010078678A1 WO 2010078678 A1 WO2010078678 A1 WO 2010078678A1 CN 2008073825 W CN2008073825 W CN 2008073825W WO 2010078678 A1 WO2010078678 A1 WO 2010078678A1
Authority
WO
WIPO (PCT)
Prior art keywords
drnc
cell
service
message
srnc
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2008/073825
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English (en)
French (fr)
Inventor
肖述超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Priority to PCT/CN2008/073825 priority Critical patent/WO2010078678A1/zh
Priority to CN2009801512358A priority patent/CN102257874A/zh
Priority to EP09837300.4A priority patent/EP2385743B1/en
Priority to PCT/CN2009/072489 priority patent/WO2010078742A1/zh
Priority to US13/142,371 priority patent/US20110268011A1/en
Publication of WO2010078678A1 publication Critical patent/WO2010078678A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/10—Reselecting an access point controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
    • H04W36/28—Reselection being triggered by specific parameters by agreed or negotiated communication parameters involving a plurality of connections, e.g. multi-call or multi-bearer connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and system for transmitting cell capabilities across an Iur port, and a Drift Radio Network Controller (DRNC).
  • DRNC Drift Radio Network Controller
  • WCDMA Wideband Code Division Multiple Access
  • the serving radio network controller knows whether the cell controlled by the RNC allows the videophone service, but does not know whether the cell controlled by the DRNC allows the videophone service. This is because the DRNC cannot pass the Iur port.
  • the SRNC passes information about this capability.
  • the NodeB base station
  • MBMS multimedia broadcast multicast service
  • the SRNC may not know the capability of the DRNC side cell.
  • the soft add refers to the decision of the DRNC side cell, and the flow of repeated attempts is easy.
  • the UE sends a measurement report to the SRNC, and the content is a cell controlled by the DRNC.
  • the cell of the DRNC) satisfies the condition of the 1A event, and the SRNC attempts to add the cell to the active set and send a radio to the DRNC.
  • the link setup message because the cell does not allow the videophone service or does not support the MBMS service, the radio link setup fails, and the DRNC returns an SRNC radio link setup failure message; the reason why the SRNC does not know that the radio link establishment fails is The cell does not allow the videophone service or does not support the MBMS service. Therefore, when the UE resends the measurement report of the cell to the SRNC, the SRNC sends a radio link setup message to the DRNC again, and the attempt is repeated.
  • the above defects will obviously affect the user's use experience, and may even cause the switch to be untimely and cause the call drop.
  • the establishment of videophone or MBMS (PTP) service may also cause unnecessary Iur port radio link reconfiguration failure process.
  • the above redundant process caused by the SRNC not knowing the DRNC side cell capacity increases the processing load of the SRNC and increases the delay, which makes the SRNC miss the optimal processing opportunity and indirectly reduces the capacity of the SRNC.
  • the failure cause value of the Iur port has an invalid cell ID, the power level is not supported, the invalid compression mode parameter, the downlink shared channel type is not supported, and the enhanced uplink dedicated channel is not supported.
  • the cell capacity transmitted across the Iur port is represented by 32 bits, each bit represents a cell capability, 1 means support, 0 means no support.
  • the third bit indicates the high speed downlink shared channel support indication, and the 17th bit indicates the multi-antenna reception multi-antenna transmission support indication.
  • the technical problem to be solved by the present invention is to solve the problem that the ability to transmit video telephony services and the MBMS service support capability across the Iur port in the prior art is provided, and a method, system and DRNC for transmitting cell capabilities across the Iur port are provided, so that the SRNC can understand After the ability to the DRNC community, make more decisions that meet the needs.
  • the present invention provides a method for transmitting cell capabilities across an Iur port.
  • the cell controlled by the DRC controller of the drift radio network controller does not allow videophone services, or does not support the MBMS of the multimedia broadcast multicast service.
  • the serving radio network controller SRNC returns a failure message
  • the DRNC writes the reason for the failure in the failure message and sends it to the SRNC;
  • the DRNC sends the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell to the indication message or the response message, and sends the information to the SRNC.
  • the above method may also have the following features:
  • MBMS service refers to: MBMS point-to-point PTP service.
  • the above method may also have the following features:
  • the failure message includes a radio link setup failure message, a radio link addition failure message, and a radio link reconfiguration failure message.
  • the above method may also have the following features:
  • the DRNC writes the reason for the failure in the failure message, which means that the DRNC will not allow the videophone service, or the information that does not support the MBMS capability, to be written in the reason cell in the failure message.
  • the above method may also have the following features:
  • the indication message refers to: an uplink signaling transmission indication message; the response message includes a wireless link establishment response message and a wireless link addition response message.
  • the above method may also have the following features:
  • the DRNC writes the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into the indication message or the response message, which means: the DRNC can view the videophone service capability of the cell controlled by the DRNC.
  • the indication information and/or the MBMS service support capability indication information is written in the cell capability container frequency division duplex Cell Capability Container FDD cell in the indication message or the response message.
  • the above method may also have the following features:
  • the SRNC learns the videophone service capability indication information of the cell controlled by the DRNC, if the user terminal UE includes the videophone service in the current service, and sends a measurement report to the SRNC, the content is that the cell of the DRNC satisfies the condition of the 1D event, and the The DRNC does not allow the videophone service, and the SRNC initiates the process of dropping the videophone service to the voice service.
  • the above method may also have the following features:
  • the SRNC After the SRNC learns the videophone service capability indication information of the cell controlled by the DRNC, if the cell currently does not allow the videophone or the MBMS service in the current active aggregation center, and the core network assigns the videophone service or the MBMS service, the SRNC directly goes to the core network. Return build failed.
  • the present invention also provides a system for transmitting cell capabilities across an Iur port, including Including DRNC and SRNC,
  • the DRNC is used to write the failure reason into the failure message and send it to the SRNC, because the DRNC controlled cell does not allow the videophone service, or does not support the MBMS service and needs to return a failure message to the SRNC.
  • the DRNC is configured to write the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into an indication message or a response message, and send the message to the SRNC;
  • the SRNC is configured to acquire videophone service capability of a DRNC controlled cell according to the failure reason in the failure message, and the videophone service capability indication information and/or the MBMS service support capability indication information in the indication message or the response message. And/or information about MBMS service support capabilities.
  • the present invention also provides a DRNC
  • the DRNC is used to write the failure reason into the failure message and send it to the SRNC, because the DRNC controlled cell does not allow the videophone service, or does not support the MBMS service and needs to return a failure message to the SRNC.
  • the DRNC is configured to write the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into an indication message or a response message, and send the message to the SRNC.
  • the SRNC can know the videophone service capability and the MBMS service support capability of the DRNC side cell in advance to avoid redundant failure procedures.
  • the video service or the MBMS (PTP) service is included in the current service of the UE, if the DRNC side cell does not allow the videophone service, or does not support the MBMS (PTP) service, when the UE reports the 1A/1C event to the DRNC side cell.
  • the decision of not directly adding the DRNC side cell is made.
  • the videophone can first fall back to the normal voice, and then soft add, which improves the user's feelings and avoids the call drop caused by the non-instantaneous handover, especially the UE high-speed mobile. Scene.
  • the DRNC side radio link is established in the active set, the video telephony service or the MBMS (PTP) service is established. If it is known in advance that the DRNC side cell does not allow the video telephony service or the MBMS service, it can immediately return to the establishment failure. There is no need to wait until the DRNC side back to the radio link reconfiguration failure.
  • 1 is a flow chart of the SRNC not knowing the videophone service of the DRNC side, the MBMS service support capability, and repeatedly attempting soft addition in the prior art;
  • FIG. 2 is a flow chart of the SRNC's radio link setup failure message on the IUR interface to learn the videophone service and MBMS service support capability of the DRNC side;
  • Figure 3 is a flow chart showing the SRNC side cell videophone service and MBMS service support capability through the radio link increase failure message of the IUR port;
  • Figure 4 is a flow chart showing the SRNC side cell videophone service and MBMS service support capability through the radio link reconfiguration failure message of the IUR port;
  • FIG. 5 is a flowchart of the SRNC's uplink video signaling indication message through the Iur interface to learn the videophone service and the MBMS service support capability of the DRNC side;
  • FIG. 6 is a flowchart of the SRNC's radio link setup response message through the Iur interface to learn the videophone service and MBMS service support capability of the DRNC side;
  • FIG. 7 is a flowchart of the SRNC receiving a response message from the radio link of the Iur interface to learn the videophone service and the MBMS service support capability of the DRNC side;
  • FIG. 8 is a flowchart of a videophone service included in a current service of a UE, and a DRNC cell that does not allow a videophone to report a 1D event triggers a videophone to fall back to a voice service;
  • FIG. 9 is a flow chart showing that the cell currently does not allow the videophone service in the current active set of the UE, and the core network assigns a videophone, and the SRNC directly fails to return;
  • FIG. 10 is a flow chart of a cell in the current active set in which the cell does not allow the MBMS service, and the core network assigns an MBMS service, and the SRNC directly fails.
  • the invention transmits cell capabilities across the Iur port in two ways:
  • the DRNC When the cell controlled by the DRNC does not allow the videophone service, or does not support the MBMS service and needs to return a failure message to the SRNC, the DRNC writes the reason for the failure to the failure message and sends it to the SRNC.
  • the MBMS service refers to: a PTP service of the MBMS;
  • the failure message includes, but is not limited to, a RADIO LINK SETUP FAILURE message, a RADIO LINK ADDITION FAILURE message, and a RADIO LINK RECONFIGURATION FAILURE message;
  • the Cause signal in the failure message adds two failure reasons to indicate that the videophone service is not allowed, or the link building or reconfiguration failure caused by the MBMS capability is not supported, and the DRNC will not allow visualization.
  • the telephone service, or the Cause message in the message failure message that does not support the MBMS capability, is sent to the SRNC.
  • the DRNC writes the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell to the indication message or the response message, and sends the information to the SRNC.
  • the videophone service capability indication information refers to: whether the videophone service is allowed; the MBMS service support capability indication information refers to: whether the MBMS service is supported; and the MBMS service refers to: the MBMS PTP service;
  • the indication message includes, but is not limited to, an UPLINK SIGNALLING TRANSFER INDICATION message
  • the response message includes, but is not limited to, a RADIO LINK SETUP RESPONSE message, a RADIO LINK ADDITION RESPONSE Message
  • the DRNC Representing the videophone service of the DRNC controlled cell by the unused bit (bit) in the Cell Capability Container FDD (Frequency Division Duplex) cell in the indication message or the response message / or MBMS service support capability, the DRNC writes the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into the Cell Capability Container FDD cell in the indication message or the response message, Sent to SRNC.
  • bit bit
  • MBMS Frequency Division Duplex
  • the present invention provides a system for transmitting cell capabilities across an Iur port, including DRNC and SRNC,
  • the DRNC controlled cell does not allow the videophone service, or does not support the MBMS service and needs to return a failure message to the SRNC, the DRNC is used to write the failure reason into the failure message and send it to the SRNC.
  • the DRNC is configured to write the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into an indication message or a response message, and send the message to the SRNC;
  • the SRNC is configured to obtain, according to the failure reason in the failure message, and/or the videophone service capability indication information and/or the MBMS service support capability indication information in the indication message or the response message, to obtain the visibility of the DRNC controlled cell.
  • the present invention provides a DRNC, and the DRNC is used for the reason for failure when the DRNC controlled cell does not allow the videophone service or does not support the MBMS service and needs to return a failure message to the serving radio network controller SRNC.
  • Writing the failure message to the SRNC; and/or, the DRNC is configured to write the videophone service capability indication information and/or the MBMS service support capability indication information of the DRNC controlled cell into the indication message or the response message. , sent to SRNC.
  • the SRNC learns the process of the videophone service or the MBMS service support capability of the cell on the DRNC through the radio link setup failure message of the Iur interface.
  • the current service of the UE includes the videophone service or MBMS (PTP). ) Business:
  • the UE sends a measurement report to the SRNC, where the content of the cell 1 (celll) of the DRNC satisfies the condition of the 1A event;
  • the SRNC does not know the videophone service capability and the MBMS service support capability of the cell, and attempts to add the cell to the active set. Since the link between the SRNC and the DRNC is not established at this time, a radio link setup message is sent to the DRNC. ;
  • the radio link establishment fails, and the DRNC returns an SRNC radio link setup failure message, and the message carries the failure reason (the videophone service is not allowed or not) Support MBMS business);
  • the UE sends a measurement report to the SRNC, where the content of the cell 1 (celll) of the DRNC satisfies the condition of the 1A event; the SRNC finds that the cell does not allow the videophone service or does not support the MBMS service, and does not soft add the cell.
  • the SRNC learns the process of the videophone service or the MBMS service support capability of the DRNC side through the radio link addition failure message of the Iur interface, where the current service of the UE includes the videophone service or MBMS (PTP). ) Business:
  • the UE sends a measurement report to the SRNC, where the content of the cell 1 (celll) of the DRNC satisfies the 1A event;
  • the SRNC does not know the videophone service capability and the MBMS service support capability of the cell, and attempts to add the cell to the active set. Since the link between the SRNC and the DRNC is established at this time, it is necessary to add a cell 1 to the active set. Link, so send a radio link add message to the DRNC;
  • the radio link establishment fails, and the DRNC returns an SRNC radio link addition failure message, which is carried in the message.
  • failure reason video service is not allowed or MBMS service is not supported
  • the UE sends a measurement report to the SRNC, where the content of the cell 1 (celll) of the DRNC satisfies the condition of the 1A event; the SRNC finds that the cell does not allow the videophone service or does not support the MBMS service, and does not soft add the cell.
  • the current service of the UE includes a video telephony service or an MBMS (PTP) service.
  • the current service of the UE can have both a video telephony service and an MBMS (PTP) service, and then the DRNC returns to the SRNC.
  • the failure cause value in the radio link setup failure message or the radio link addition failure message may be the failure reason of the first service.
  • the SRNC learns the process of the videophone service of the DRNC side or the MBMS service support capability through the radio link reconfiguration failure message of the Iur interface, where the current active set of the UE includes the DRNC cell:
  • a core network sends a radio access bearer assignment request (RAB ASSIGNMENT REQUEST) message to the RNC, requesting to establish a videophone service, or the CN sends a multimedia broadcast multicast session to the RNC (MBMS SESSION START) Message, request to establish MBMS service;
  • RNB ASSIGNMENT REQUEST radio access bearer assignment request
  • MBMS SESSION START multimedia broadcast multicast session
  • the SRNC does not know the videophone service capability of the DRNC cell and the MBMS service support capability, and determines to establish a videophone service or a PTP MBMS service, so the radio link reconfiguration preparation message is sent to the DRNC.
  • the DRNC sends a radio link reconfiguration failure message to the SRNC because the DRNC side cell does not allow the videophone service or does not support the MBMS service, and the DRNC sends the radio link reconfiguration failure message to the SRNC.
  • the DRNC sends the radio link reconfiguration failure message to the SRNC.
  • the SRNC sends a failed RAB ASSIGNMENT RESPONSE message to the CN, or an MBMS SESSION START FAILURE message.
  • the SRNC learns the flow of the videophone service and/or the MBMS service support capability of the DRNC side through the uplink signaling transmission indication message of the Iur interface, where the UE is in the non- CELL- DCH state:
  • the UE moves from the control area of the SRNC to the cell 1 under the DRNC control, and the UE sends a cell update (CELL UPDATE) message to the DRNC because the UE is in a non-CELL_DCH state;
  • a cell update CELL UPDATE
  • the DRNC sends an uplink signaling transmission indication message to the SRNC, and notifies the SRNC of the cell change information of the UE.
  • the capability information of the cell 1 is carried in the message, and the videophone service capability indication information and the MBMS service support capability indication information are included.
  • the SRNC learns the process of the videophone service capability and/or the MBMS service support capability of the cell on the DRNC side through the radio link setup response message of the Iur interface, where the current service of the UE includes the videophone service or MBMS (PTP) business:
  • the UE sends a measurement report to the SRNC, where the cell 1 (cell1) of the DRNC satisfies the condition of the 1A event, and the cell is a neighboring area of the SRNC cell;
  • the SRNC decides to add the cell to the active set, and sends a radio link setup message to the DRNC.
  • the DRNC sends a response message to the SRNC back to the radio link, where the neighboring cell information of the cell 1 is carried, and the neighbor cell information is included in the neighbor cell information.
  • the telephone service capability indication information and/or the MBMS service support capability indication information are included in the neighbor cell information.
  • the UE sends a measurement report to the SRNC, where the content is the neighboring cell of the cell 1, and the cell 2 (cell2) satisfies the condition of the 1A event; because the SRNC has obtained the videophone service capability indication of the cell 2 through the foregoing radio link setup response message.
  • the SRNC learns the process of the videophone service and the MBMS service support capability of the cell on the DRNC through the radio link addition response message of the Iur interface, where the current service of the UE includes the videophone service or MBMS (PTP). ) Business:
  • the UE sends a measurement report to the SRNC, where the content is that the cell 1 (celll) of the DRNC is satisfied.
  • the condition of the 1A event the cell 1 is the neighboring zone brought back by the radio link setup response message when the first radio link of the DRNC is established;
  • the SRNC decides to add the cell 1 to the active set, and sends a radio link increase message to the DRNC.
  • the cell 1 supports the videophone service or the MBMS service, and the DRNC adds a response to the SRNC back to the radio link, where the neighboring cell information of the cell 1 is carried, and the videophone of the neighboring cell is included in the neighbor cell information.
  • the UE sends a measurement report to the SRNC, where the content is the neighboring cell of the cell 1, and the cell 2 (cell2) satisfies the condition of the 1A event; because the SRNC has obtained the videophone service capability indication of the cell 2 through the foregoing radio link setup response message.
  • the videophone service and the MBMS service support capability of the DRNC-controlled cell may be respectively indicated by the unused 2 bits in the Cell Capability Container FDD cell in the indication message or the response message, where 1 bit represents a type Capability;
  • 1 bit represents a type Capability
  • the measurement report (1D event) in which the UE includes the videophone service in the current service, and the UE sends the DRNC to the SRNC (the cell does not allow the videophone service) triggers the videophone service to the voice service.
  • the UE sends a measurement report to the SRNC, where the content of the DRNC cell satisfies the 1D event;
  • the SRNC finds that the cell does not allow the videophone service, and the current service of the UE includes the videophone service, and decides to drop the videophone service to the voice service, and send the wireless access to the CN.
  • the DRNC cell can be added to the active set.
  • the current active activation center of the UE does not allow the videophone service, and the core network assigns a videophone service, and the SRNC directly fails to establish a failure process:
  • the CN sends a radio access bearer assignment request (RAB ASSIGNMENT REQUEST) message to the SRNC, requesting to establish a videophone service;
  • RAB ASSIGNMENT REQUEST radio access bearer assignment request
  • the SRNC finds that the cell in the current active set does not allow the videophone to directly send a radio access bearer assignment response (RAB ASSIGNMENT RESPONSE) message to the CN.
  • RAB ASSIGNMENT RESPONSE radio access bearer assignment response
  • the cell does not allow the MBMS service, and the core network assigns the MBMS service, and the SRNC directly fails to establish the failure process:
  • CN sends a multimedia broadcast multicast service session start message to the SRNC, requesting to establish
  • the SRNC finds that the cell in the current active set does not allow the MBMS service, and directly sends an MBMS session start failure message to the CN.
  • the present invention provides a method for transmitting a cell capability across an Iur port.
  • the failure message returned by the DRNC to the SRNC carries a failure reason, and/or the DRNC writes the cell videophone service capability indication information and/or the MBMS service support capability indication information.
  • the incoming message is sent to the SRNC, which realizes the ability to deliver the videophone service across the Iur port and the MBMS service support capability, so that the SRNC can make a decision that is more in line with the requirements of the DRNC cell.

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

Description

跨 Iur口传递小区能力的方法、 系统及 DRNC
技术领域
本发明涉及通讯领域，尤其涉及一种跨 Iur口传递小区能力的方法、 系统 及漂移无线网络控制器（Drift Radio Network Controller, 简称 DRNC ) 。
背景技术
宽带码分多址接入 ( Wideband Code Division Multiple Access , 简称 WCDMA )技术在全球被越来越多的运营商所釆用， 而每个运营商都有自己 特定的需求。 跟语音业务相比， 由于可视电话业务占用更多的无线资源， 传 输带宽等， 运营商希望根据实际的环境来定制是否允许某个小区进行可视电 话的呼叫和切入。 比如像在郊区， 海岸等一些覆盖大的小区内， 为了接纳更 多的语音业务， 运营商希望在这些小区禁止打可视电话。
服务无线网络控制器（ Serving Radio Network Controller, 简称 SRNC )知 道本 RNC控制的小区是否允许可视电话业务， 但是不知道 DRNC控制的小 区是否允许可视电话业务， 这是由于 DRNC无法通过 Iur口向 SRNC传递该 能力的信息。
再者， 在 Iub 口的审计响应 （AUDIT RESPONSE ) 、 资源状态指示 ( RESOURCE STATUS INDICATION )消息中， NodeB (基站）能够将小区 的多媒体广播多播业务（ Multimedia Broadcast Multicast Service,简称 MBMS ) 支持能力通知 RNC, 但是 DRNC却没有类似的机制将小区的 MBMS业务支 持能力通知到 SRNC。
在用户终端 （User Equipment, 简称 UE ) 当前业务中包含可视电话或 MBMS (点到点 （ point to point, 简称 PTP )方式承载）业务时， 因为 SRNC 不了解 DRNC侧小区的能力， 可能做出错误软加（soft add, 指软切换增加一 条链路） DRNC侧小区的判决， 而且容易出现反复尝试的流程， 如图 1所示， UE向 SRNC发送测量报告， 内容是 DRNC控制的小区（简称 DRNC的小区） 满足 1A事件的条件， SRNC尝试把该小区加入激活集， 向 DRNC发出无线 链路建立消息， 由于该小区不允许可视电话业务或不支持 MBMS业务， 所以 无线链路建立失败， DRNC返回 SRNC无线链路建立失败消息； 由于 SRNC 不知道无线链路建立失败的原因是该小区不允许可视电话业务或不支持 MBMS业务， 所以当 UE重新向 SRNC发送该小区的测量报告时， SRNC又 向 DRNC发出无线链路建立消息， 重复进行尝试。
上述缺陷会比较明显的影响用户的使用感受， 甚至会造成切换不及时而 导致掉话。对于激活集中已有 DRNC侧小区的场景， 建立可视电话或 MBMS ( PTP )业务也可能出现不必要的 Iur口无线链路重配失败流程。 以上这些因 SRNC不了解 DRNC侧小区能力而导致的冗余流程加大了 SRNC的处理负荷， 增加了时延， 使 SRNC错过了最佳的处理时机， 间接减小 SRNC的容量。
3GPP的 R7协议标准中， Iur口的失败原因值有无效的小区 ID, 功率级 别不支持， 无效的压缩模式参数， 下行共享信道类型不支持， 增强的上行专 用信道不支持等。 对于跨 Iur口传递的小区能力是通过 32bit来表示的， 每一 个 bit代表一种小区能力， 1表示支持， 0表示不支持。 如第 3位表示高速下 行链路共享信道支持指示， 第 17位表示多天线接收多天线发送支持指示。 但 是， 失败原因值和小区能力中都没有可视电话， MBMS这两种能力的定义。
发明内容
本发明所要解决的技术问题是解决现有技术中跨 Iur 口无法传递可视电 话业务能力、 MBMS业务支持能力的问题， 提供一种跨 Iur口传递小区能力 的方法、 系统及 DRNC, 使 SRNC了解到 DRNC小区的能力后， 做出更符合 需求的决策。
为了解决上述问题， 本发明提供了一种跨 Iur口传递小区能力的方法， 由于漂移无线网络控制器 DRNC控制的小区不允许可视电话业务， 或是 不支持多媒体广播多播业务 MBMS而需要向服务无线网络控制器 SRNC返回 失败消息时， DRNC将失败原因写入所述失败消息中， 发送给 SRNC;
和 /或， DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 / 或 MBMS业务支持能力指示信息写入指示消息或响应消息中，发送给 SRNC。 进一步地， 上述方法还可具有以下特点：
MBMS业务是指： MBMS的点到点 PTP业务。
进一步地， 上述方法还可具有以下特点：
失败消息包括无线链路建立失败消息、 无线链路增加失败消息和无线链 路重配失败消息。
进一步地， 上述方法还可具有以下特点：
所述 DRNC将失败原因写入所述失败消息中是指： DRNC将不允许可视 电话业务， 或不支持 MBMS能力的信息写入失败消息中的原因信元中。
进一步地， 上述方法还可具有以下特点：
所述指示消息是指： 上行信令传输指示消息； 所述响应消息包括无线链 路建立响应消息、 无线链路增加响应消息。
进一步地， 上述方法还可具有以下特点：
所述 DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS业务支持能力指示信息写入指示消息或响应消息中是指： DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS业务支持能力 指示信息写入指示消息或响应消息中的小区能力容器频分双工 Cell Capability Container FDD信元中。
进一步地， 上述方法还可具有以下特点：
SRNC获知 DRNC控制的小区的可视电话业务能力指示信息后，若用户 终端 UE当前业务中包含可视电话业务， 并向 SRNC发送测量报告， 内容是 DRNC的小区满足 1D事件的条件， 而所述 DRNC的小区不允许可视电话业 务， 则 SRNC发起可视电话业务向语音业务回落的流程。
进一步地， 上述方法还可具有以下特点：
SRNC获知 DRNC控制的小区的可视电话业务能力指示信息后， 若 UE 当前激活集中有小区不允许可视电话或 MBMS业务，核心网指派建立可视电 话业务或 MBMS业务， 则 SRNC直接向核心网返回建立失败。
为了解决上述问题，本发明还提供一种跨 Iur口传递小区能力的系统， 包 括 DRNC和 SRNC,
由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS业务 而需要向 SRNC返回失败消息时， 所述 DRNC用于将失败原因写入所述失败 消息中， 发送给 SRNC;
以及，
所述 DRNC用于将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC;
所述 SRNC用于根据所述失败消息中失败原因， 以及指示消息或响应消 息中的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息， 获 取 DRNC控制的小区的可视电话业务能力和 /或 MBMS业务支持能力的信息。
为了解决上述问题， 本发明还提供一种 DRNC,
由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS业务 而需要向 SRNC返回失败消息时， 所述 DRNC用于将失败原因写入所述失败 消息中， 发送给 SRNC;
以及，
所述 DRNC用于将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC。 通过本发明所述的方法和系统， SRNC可以提前知道 DRNC侧小区的可 视电话业务能力、 MBMS业务支持能力而避免冗余的失败流程。 在 UE当前 业务中包含可视电话业务或 MBMS ( PTP )业务时， 如果 DRNC侧小区不允 许可视电话业务， 或不支持 MBMS ( PTP )业务， 当 UE针对 DRNC侧小区 上报 1A/1C事件时， 在 SRNC直接做出不软加 DRNC侧小区的判决。 当 UE 针对 DRNC侧小区上报 1D事件时， 对可视电话可以先回落到普通语音， 然 后进行软加， 提高了用户的感受度， 避免了切换不即时而导致的掉话， 尤其 是 UE高速移动的场景。 对于激活集中已有 DRNC侧无线链路的情况下， 建立可视电话业务或 MBMS ( PTP )业务， 如果已经提前知道 DRNC侧小区不允许可视电话业务 或 MBMS业务， 可以立即返回建立失败， 而没有必要等到 DRNC侧回无线 链路重配失败。 避免了无效的尝试： 在 SRNC侧分配资源， DRNC回重配失 败， SRNC释放资源。 这样减小了 SRNC的处理负荷， SRNC有更多的时间 和资源来响应其他用户的请求， 增大了 SRNC的容量。 附图概述
图 1是现有技术中 SRNC不知道 DRNC侧小区可视电话业务、 MBMS 业务支持能力， 反复尝试软加的流程图；
图 2是 SRNC通过 Iur口的无线链路建立失败消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 3是 SRNC通过 Iur口的无线链路增加失败消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 4是 SRNC通过 Iur口的无线链路重配失败消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 5是 SRNC通过 Iur口的上行信令传输指示消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 6是 SRNC通过 Iur口的无线链路建立响应消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 7是 SRNC通过 Iur口的无线链路增加响应消息了解到 DRNC侧小区 可视电话业务、 MBMS业务支持能力的流程图；
图 8是 UE当前业务中包含可视电话业务， 而不允许可视电话的 DRNC 小区上报 1D事件触发可视电话向语音业务回落的流程图；
图 9是 UE当前激活集中有小区不允许可视电话业务， 核心网指派建立 可视电话， SRNC直接回失败的流程图；
图 10是 UE当前激活集中有小区不允许 MBMS业务， 核心网指派建立 MBMS业务， SRNC直接回失败的流程图。 本发明的较佳实施方式
本发明通过两种方式跨 Iur口传递小区能力：
方式一：
由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS业务 而需要向 SRNC返回失败消息时， DRNC将失败原因写入所述失败消息中， 发送给 SRNC。
其中， 所述 MBMS业务是指： MBMS的 PTP业务；
所述失败消息包括但不限于无线链路建立失败（RADIO LINK SETUP FAILURE ) 消息、 无线链路增加失败（ RADIO LINK ADDITION FAILURE ) 消息， 无线链路重配失败（ RADIO LINK RECONFIGURATION FAILURE ) 消息；
在所述失败消息中的 Cause (原因）信元新增两种失败原因来指示是因 为不允许可视电话业务， 或不支持 MBMS 能力导致的建链或重配失败， DRNC将不允许可视电话业务，或不支持 MBMS能力的信息写入失败消息中 的 Cause信元中， 发送给 SRNC。
方式二：
DRNC 将该 DRNC 控制的小区的可视电话业务能力指示信息和 /或 MBMS业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC。
其中， 所述可视电话业务能力指示信息是指： 是否允许可视电话业务； 所述 MBMS业务支持能力指示信息是指： 是否支持 MBMS业务； 所述 MBMS业务是指： MBMS的 PTP业务；
所述指示消息包括但不限于上行信令传输指示 （UPLINK SIGNALLING TRANSFER INDICATION ) 消息；
所述响应消息包括但不限于无线链路建立响应 （RADIO LINK SETUP RESPONSE )消息、无线链路增加响应（ RADIO LINK ADDITION RESPONSE ) 消息；
通过指示消息或响应消息中的 Cell Capability Container FDD(小区能力容 器 FDD ( Frequency Division Duplex, 频分双工） ）信元中未使用的位（ bit ) 来表示 DRNC控制的小区的可视电话业务和 /或 MBMS业务支持能力， 所述 DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS业 务支持能力指示信息写入指示消息或响应消息中的 Cell Capability Container FDD信元中， 发送给 SRNC。
一般情况下， 是将上述两种方式结合起来使用， 当然， 也可以只使用其 中的一种方式。
相应地， 本发明提供一种跨 Iur口传递小区能力的系统， 包括 DRNC和 SRNC,
其中， 由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS 业务而需要向 SRNC返回失败消息时， 该 DRNC用于将失败原因写入所述失 败消息中， 发送给 SRNC;
和 /或， DRNC用于将该 DRNC控制的小区的可视电话业务能力指示信息 和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC;
所述 SRNC用于根据所述失败消息中失败原因， 和 /或， 指示消息或响应 消息中的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息， 获取 DRNC控制的小区的可视电话业务能力和 /或 MBMS业务支持能力的信 息。
相应地， 本发明提供一种 DRNC, 由于该 DRNC控制的小区不允许可视 电话业务，或是不支持 MBMS业务而需要向服务无线网络控制器 SRNC返回 失败消息时，该 DRNC用于将失败原因写入所述失败消息中，发送给 SRNC; 和 /或， 该 DRNC用于将该 DRNC控制的小区的可视电话业务能力指示 信息和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送 给 SRNC。 下面将结合附图及实施例对本发明的技术方案进行更详细的说明。
如图 2所示，是 SRNC通过 Iur口的无线链路建立失败消息了解到 DRNC 侧小区可视电话业务或 MBMS业务支持能力的流程， 其中 UE当前业务中包 含有可视电话业务或 MBMS ( PTP )业务：
S201 , UE向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll )满足 1A事件的条件；
5202 , SRNC不了解该小区的可视电话业务能力、 MBMS业务支持能力， 尝试把该小区加入激活集， 由于此时 SRNC和 DRNC之间还未建立链路， 所 以向 DRNC发出无线链路建立消息；
5203 , 由于小区 1不允许可视电话业务或不支持 MBMS业务， 所以无 线链路建立失败， DRNC返回 SRNC无线链路建立失败消息， 在该消息中携 带失败原因 （不允许可视电话业务或不支持 MBMS业务） ；
S204 , UE重新向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll ) 满足 1A事件的条件； SRNC发现该小区不允许可视电话业务或不支持 MBMS 业务， 不软加该小区。
如图 3所示，是 SRNC通过 Iur口的无线链路增加失败消息了解到 DRNC 侧小区可视电话业务或 MBMS业务支持能力的流程， 其中 UE当前业务中包 含有可视电话业务或 MBMS ( PTP )业务：
S301 , UE向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll )满足 1A事件的条件；
5302 , SRNC不了解该小区的可视电话业务能力、 MBMS业务支持能力 , 尝试把该小区加入激活集， 由于此时 SRNC和 DRNC之间已建立链路， 要把 小区 1加入激活集需要增加一条链路，所以向 DRNC发出无线链路增加消息；
5303 , 由于小区 1不允许可视电话业务或不支持 MBMS业务， 所以无 线链路建立失败， DRNC返回 SRNC无线链路增加失败消息， 在该消息中携 带失败原因 （不允许可视电话业务或不支持 MBMS业务） ；
S304 , UE重新向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll ) 满足 1A事件的条件； SRNC发现该小区不允许可视电话业务或不支持 MBMS 业务， 不软加该小区。
在上述实施例中， UE当前业务中包含有可视电话业务或 MBMS ( PTP ) 业务， 在实际应用中， UE 当前业务中可以同时有可视电话业务和 MBMS ( PTP )业务， 那么 DRNC返回 SRNC无线链路建立失败消息或无线链路增 加失败消息中的失败原因值为第一个业务的失败原因即可。
如图 4所示，是 SRNC通过 Iur口的无线链路重配失败消息了解到 DRNC 侧小区可视电话业务或 MBMS业务支持能力的流程， 其中 UE当前激活集中 包含 DRNC小区：
5401 , 核心网 （ Core Network, 简称 CN ) 向 RNC发送无线接入承载指 派请求（ RAB ASSIGNMENT REQUEST )消息， 要求建立可视电话业务， 或 者 CN向 RNC发送多媒体广播多播会话开始 （ MBMS SESSION START ) 消 息， 要求建立 MBMS业务；
5402, SRNC不了解 DRNC小区的可视电话业务能力、 MBMS业务支持 能力， 决定建立可视电话业务或者 PTP方式的 MBMS业务， 所以向 DRNC 发送无线链路重配准备消息；
S403 , 由于 DRNC侧小区不允许可视电话业务或不支持 MBMS业务， 导致无线链路重配失败， 所以 DRNC向 SRNC发送无线链路重配失败消息， 在该消息中携带失败原因 （不允许可视电话业务或不支持 MBMS业务） ；
S404 , SRNC 向 CN 发送失败的无线接入承载指派响应 （ RAB ASSIGNMENT RESPONSE ) 消息， 或者 MBMS 会话开始失败 （MBMS SESSION START FAILURE ) 消息。
如图 5所示，是 SRNC通过 Iur口的上行信令传输指示消息了解到 DRNC 侧小区可视电话业务和 /或 MBMS 业务支持能力的流程， 其中 UE处于非 CELL— DCH态：
5501 , UE从 SRNC的控制区域移动到 DRNC控制下的小区 1 , 由于 UE 处于非 CELL— DCH态， UE向 DRNC发送小区更新（ CELL UPDATE )消息；
5502, DRNC向 SRNC发送上行信令传输指示消息， 将 UE的小区变更 信息通知给 SRNC。 在该消息中携带小区 1 的能力信息， 包含所述可视电话 业务能力指示信息和 MBMS业务支持能力指示信息。
如图 6所示，是 SRNC通过 Iur口的无线链路建立响应消息了解到 DRNC 侧小区可视电话业务能力和 /或 MBMS业务支持能力的流程，其中 UE当前业 务中包含有可视电话业务或 MBMS ( PTP )业务：
5601 , UE向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll )满足 1A事件的条件， 该小区是 SRNC小区的邻区；
5602, SRNC决定把该小区加入激活集， 向 DRNC发出无线链路建立消 息；
S603 ,若小区 1支持可视电话业务或 MBMS业务， DRNC给 SRNC回无 线链路建立响应消息， 其中会携带小区 1的所有邻小区信息， 在所述邻小区 信息中包含所述邻小区的可视电话业务能力指示信息和 /或 MBMS 业务支持 能力指示信息；
S604, UE向 SRNC发送测量报告， 内容是小区 1的邻区， 小区 2 ( cell2 ) 满足 1A事件的条件； 由于 SRNC已经通过上述无线链路建立响应消息中获 知小区 2的可视电话业务能力指示信息、 MBMS业务支持能力指示信息， 如 果小区 2不允许可视电话业务或不支持 MBMS业务，则 SRNC不软加该小区。
如图 7所示，是 SRNC通过 Iur口的无线链路增加响应消息了解到 DRNC 侧小区可视电话业务、 MBMS业务支持能力的流程， 其中 UE当前业务中包 含有可视电话业务或 MBMS ( PTP )业务：
S701 , UE向 SRNC发送测量报告， 内容是 DRNC的小区 1 ( celll )满足 1A事件的条件， 小区 1是 DRNC第一条无线链路建立时， 通过无线链路建 立响应消息带回来的邻区；
S702, SRNC决定把小区 1加入激活集， 向 DRNC发出无线链路增加消 息；
S703 , 小区 1支持可视电话业务或 MBMS业务， DRNC给 SRNC回无线 链路增加响应， 其中会携带小区 1的所有邻小区信息， 在所述邻小区信息中 包含所述邻小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指 示信息；
S704, UE向 SRNC发送测量报告， 内容是小区 1的邻区， 小区 2 ( cell2 ) 满足 1A事件的条件； 由于 SRNC已经通过上述无线链路建立响应消息中获 知小区 2的可视电话业务能力指示信息、 MBMS业务支持能力指示信息， 如 果小区 2不允许可视电话业务或不支持 MBMS业务，则 SRNC不软加该小区。
在上述实施例中， 可以通过指示消息或响应消息中的 Cell Capability Container FDD信元中未使用的 2bit,来分别表示 DRNC控制的小区的可视电 话业务和 MBMS业务支持能力， 1 bit表示一种能力； 当然， 如果 SRNC只需 要获知其中一种能力， 比如可视电话业务的能力， 那么， 可以在指示消息或 响应消息中只携带该能力的信息。
如图 8所示， 是 UE当前业务中包含可视电话业务， 而 UE向 SRNC发 送 DRNC的小区 （该小区不允许可视电话业务） 的测量报告 ( 1D事件）触 发可视电话业务向语音业务回落的流程：
5801 , UE向 SRNC发送测量报告， 内容是 DRNC的小区满足 1D事件 的条件；
5802, SRNC发现该小区不允许可视电话业务， 而 UE 当前业务中包含 可视电话业务， 决定将可视电话业务回落到语音业务， 向 CN发送无线接入
7 载爹改请求（ RAB MODIFY REQUEST ) 消息。
一旦回落成功， 就可以将该 DRNC小区加入到激活集中。 如图 9所示， 是 UE当前激活集中有小区不允许可视电话业务， 核心网 指派建立可视电话业务， SRNC直接回建立失败的流程：
S901 , CN向 SRNC发送无线接入承载指派请求（RAB ASSIGNMENT REQUEST ) 消息， 要求建立可视电话业务；
S902, SRNC发现当前激活集中有小区不允许可视电话， 直接向 CN发 送失败的无线接入承载指派响应 （ RAB ASSIGNMENT RESPONSE ) 消息。
如图 10所示， 是 UE当前激活集中有小区不允许 MBMS业务， 核心网 指派建立 MBMS业务， SRNC直接回建立失败的流程：
S1001 , CN向 SRNC发送多媒体广播多播业务会话开始消息， 要求建立
MBMS业务；
S1002, SRNC发现当前激活集中有小区不允许 MBMS业务， 直接向 CN 发送 MBMS会话开始失败消息。
尽管本发明结合特定实施例进行了描述， 但是对于本领域的技术人员来 说， 可以在不背离本发明的精神或范围的情况下进行修改和变化。 这样的修 改和变化被视作在本发明的范围和附加的权利要求书范围之内。
工业实用性
本发明提供一种跨 Iur口传递小区能力的方法， 通过 DRNC向 SRNC返 回的失败消息携带失败原因， 和 /或， DRNC将小区可视电话业务能力指示信 息和 /或 MBMS业务支持能力指示信息写入消息中发送给 SRNC,实现了跨 Iur 口传递可视电话业务能力、 MBMS业务支持能力，使 SRNC了解到 DRNC小 区的能力后， 做出更符合需求的决策。

Claims

权 利 要 求 书
1、 一种跨 Iur口传递小区能力的方法， 其特征在于，
由于漂移无线网络控制器 DRNC控制的小区不允许可视电话业务， 或是 不支持多媒体广播多播业务 MBMS而需要向服务无线网络控制器 SRNC返回 失败消息时， DRNC将失败原因写入所述失败消息中， 发送给 SRNC;
和 /或， DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 / 或 MBMS业务支持能力指示信息写入指示消息或响应消息中，发送给 SRNC。
2、 如权利要求 1所述的方法， 其特征在于， MBMS业务是指： MBMS 的点到点 PTP业务。
3、 如权利要求 1所述的方法，其特征在于， 失败消息包括无线链路建立 失败消息、 无线链路增加失败消息和无线链路重配失败消息。
4、 如权利要求 1所述的方法， 其特征在于， 所述 DRNC将失败原因写 入所述失败消息中是指： DRNC将不允许可视电话业务， 或不支持 MBMS能 力的信息写入失败消息中的原因信元中。
5、 如权利要求 1所述的方法， 其特征在于， 所述指示消息是指： 上行信 令传输指示消息； 所述响应消息包括无线链路建立响应消息、 无线链路增加 响应消息。
6、 如权利要求 1、 2、 4、 5中任意一项所述的方法， 其特征在于， 所述 DRNC将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS业 务支持能力指示信息写入指示消息或响应消息中是指： DRNC将该 DRNC控 制的小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息 写入指示消息或响应消息中的小区能力容器频分双工 Cell Capability Container FDD信元中。
7、 如权利要求 1所述的方法， 其特征在于， SRNC获知 DRNC控制的 小区的可视电话业务能力指示信息后， 若用户终端 UE 当前业务中包含可视 电话业务， 并向 SRNC发送测量报告， 内容是 DRNC的小区满足 1D事件的 条件， 而所述 DRNC的小区不允许可视电话业务， 则 SRNC发起可视电话业 务向语音业务回落的流程。
8、 如权利要求 1所述的方法， 其特征在于， SRNC获知 DRNC控制的 小区的可视电话业务能力指示信息后， 若 UE 当前激活集中有小区不允许可 视电话或 MBMS 业务， 核心网指派建立可视电话业务或 MBMS 业务， 则 SRNC直接向核心网返回建立失败。
9、 一种跨 Iur口传递小区能力的系统， 包括 DRNC和 SRNC, 其特征在 于，
由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS业务 而需要向 SRNC返回失败消息时， 所述 DRNC用于将失败原因写入所述失败 消息中， 发送给 SRNC;
以及，
所述 DRNC用于将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC;
所述 SRNC用于根据所述失败消息中失败原因， 以及指示消息或响应消 息中的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息， 获 取 DRNC控制的小区的可视电话业务能力和 /或 MBMS业务支持能力的信息。
10、 一种 DRNC, 其特征在于，
由于 DRNC控制的小区不允许可视电话业务， 或是不支持 MBMS业务 而需要向 SRNC返回失败消息时， 所述 DRNC用于将失败原因写入所述失败 消息中， 发送给 SRNC;
以及，
所述 DRNC用于将该 DRNC控制的小区的可视电话业务能力指示信息和 /或 MBMS 业务支持能力指示信息写入指示消息或响应消息中， 发送给 SRNC。
PCT/CN2008/073825 2008-12-29 2008-12-29 跨Iur口传递小区能力的方法、系统及DRNC Ceased WO2010078678A1 (zh)

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