WO2011079821A1 - 进行mbsfn类小区测量的方法和装置 - Google Patents

进行mbsfn类小区测量的方法和装置 Download PDF

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Publication number
WO2011079821A1
WO2011079821A1 PCT/CN2010/080609 CN2010080609W WO2011079821A1 WO 2011079821 A1 WO2011079821 A1 WO 2011079821A1 CN 2010080609 W CN2010080609 W CN 2010080609W WO 2011079821 A1 WO2011079821 A1 WO 2011079821A1
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Prior art keywords
measurement
mbsfn
type cell
cell
control information
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PCT/CN2010/080609
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English (en)
French (fr)
Inventor
庞伶俐
郑潇潇
陈燕燕
冯莉
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华为技术有限公司
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Publication of WO2011079821A1 publication Critical patent/WO2011079821A1/zh

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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
    • H04W36/0007—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
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00835—Determination of neighbour cell lists
    • 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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for performing MBSFN type cell measurement.
  • MBMS Multimedia Broadcast Multicast Service
  • MBSFN MBMS over a Single Frequency Network, broadcast/multicast list.
  • Frequency network MB SFN is a plurality of cells operating at the same frequency point.
  • the FDD (Frequency Division Duplex) unicast (unicast) cell is performed. If the UE (User Equipment User Equipment) is migrated from the MBSFN cell to the FDD unicast cell or the FDD unicast cell to the MBSFN cell, the application scenario of the UE needs to be switched in order to ensure that the service of the UE is not interrupted.
  • the parameters of the current cell and the cell adjacent to the current cell are first measured, so as to determine, according to the measurement result, which cell the UE is camped on, and the access service is more suitable, so according to the determination result.
  • the cell switches or does not switch.
  • there is currently no scheme for MBSFN cell measurement and thus the continuity of the UE access service during cell handover cannot be guaranteed.
  • Summary of the invention provide a method and an apparatus for performing MBSFN-like cell measurement, and performing measurement on an MBSFN-type cell to ensure continuity of UE access services during cell handover.
  • the embodiment of the present invention adopts the following technical solutions:
  • a method for performing MBSFN type cell measurement including:
  • the measurement content includes a frequency list of the MBSFN-type cell, the measured channel, the measured parameter, and the adjacent non-MBSFN-type cell supporting the continuity of the service.
  • the measurement content includes a frequency list of the MBSFN-type cell, the measured channel, the measured parameter, and the adjacent non-MBSFN-type cell supporting the continuity of the service.
  • the embodiment of the present invention further provides a method for performing MBSFN-type cell measurement, including: determining measurement content carried in measurement control information, where the measurement content includes a frequency list of an MBSFN-type cell, a measured channel, a measured parameter, One of or a combination of adjacent non-MBSFN type cell lists supporting service continuity;
  • An embodiment of the present invention provides an apparatus for performing MBSFN-type cell measurement, including: a receiving unit, configured to receive measurement control information sent by a network device;
  • a measuring unit configured to measure the MBSFN type cell according to the measurement content carried in the measurement control information
  • the measurement content includes one of a frequency list of a MBSFN type cell, a measured channel, a measured parameter, and a neighboring non-MBSFN type cell list supporting service continuity or any combination thereof.
  • the embodiment of the present invention further provides an apparatus for performing MBSFN-type cell measurement, including: a determining unit, configured to determine measurement content carried in the measurement control information, where the measurement content includes a frequency list of the MBSFN-type cell, and the measured channel , one of the list of neighboring non-MBSFN-type cells supporting the continuity of the service, or any combination thereof;
  • a sending unit configured to send the measurement control information to the user equipment, so that the user equipment performs measurement on the MBSFN type cell according to the measurement content.
  • a method and apparatus for performing MBSFN type cell measurement according to an embodiment of the present invention
  • the device sends the measurement control information, and carries the measurement content in the measurement control information, so that the measurement of the MBSFN type cell is implemented, so that the continuity of the user equipment access service during the cell handover is better ensured, thereby improving User experience and satisfaction.
  • FIG. 1 is a schematic flowchart of a method for measuring an MBSFN-type cell according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another method for performing MBSFN-type cell measurement according to an embodiment of the present invention
  • FIG. 3 is a detailed flowchart of the method shown in FIG. Schematic diagram
  • FIG. 4 is a detailed flow chart of the method shown in FIG. 2;
  • FIG. 5 is a flowchart of performing MBSFN-type cell measurement according to Embodiment 1 of the present invention.
  • FIG. 7 is a flowchart of performing MB SFN type cell measurement according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic structural diagram of an apparatus for performing MBSFN-type cell measurement according to an embodiment of the present invention
  • FIG. 9 is a detailed view of the apparatus shown in FIG.
  • FIG. 10 is a schematic structural diagram of another apparatus for performing MBSFN-type cell measurement according to an embodiment of the present invention.
  • FIG. 11 is a detailed view of the apparatus shown in FIG.
  • FIG. 12 is a schematic structural diagram of a system for performing MBSFN-type cell measurement according to an embodiment of the present invention. detailed description
  • an embodiment of the present invention provides a method for performing MBSFN-type cell measurement, where the method includes:
  • S102 Perform measurement on the MBSFN type cell according to the measurement content carried in the measurement control information.
  • the measurement content includes one of a frequency list of a MBSFN type cell, a measured channel, a measured parameter, and a neighboring non-MBSFN type cell list supporting service continuity or any combination thereof.
  • an embodiment of the present invention provides another method for performing MBSFN type cell measurement.
  • Method includes:
  • S201 Determine measurement content carried in the measurement control information, where the measurement content includes one of a frequency list of the MBSFN type cell, the measured channel, the measured parameter, and a list of adjacent non-MBSFN type cells supporting the continuity of the service or Any combination thereof;
  • the measurement control information is sent to the user equipment, so that the user equipment performs measurement on the MBSFN type cell according to the measurement content.
  • the method for performing MBSFN-type cell measurement provided by the embodiment of the present invention, by transmitting measurement control information by the network device, and carrying the measurement content in the measurement control information, thereby realizing measurement of the MBSFN-type cell, so
  • the continuity of the user equipment access service during cell handover is ensured, and the user experience and satisfaction are improved.
  • the costly network can be provided only in the hotspot area, such as the MBSFN 1MB network, which saves the operation cost of the network.
  • this embodiment is a method for performing MBSFN-type cell measurement, and the method includes:
  • the step may be the measurement control information sent by the RNC (Radio Network Controller) that receives the non-MBSFN-type cell, or the step may be the measurement control information sent by the RNC that receives the MBSFN-type cell.
  • the RNC Radio Network Controller
  • the RNC receives the MBSFN-type cell
  • the MBSFN type cell may be an MBSFN cell or an MBSFN 1 MB cell or the like, that is, various cells having MBSFN cell characteristics.
  • the non-MBSFN type cell may be an FDD unicast cell, a TDD cell, or the like.
  • the RNC of the non-MBSFN type cell may send the measurement control information to the UE in different manners according to the state of the UE. Specifically, when the UE is in the CELL_DCH or CELL_FACH state, The measurement control information may be sent by the RRC signaling, and the measurement control information may be sent by the system broadcast message when the UE is in another state, such as the idle, URA_PCH, CELL_PCH, or CELL FACH state. The capability of the UE, in the CELL_DCH state, can also send measurement control information through the system broadcast message.
  • the network device in this embodiment may include, for example, an RNC of an MBSFN type cell, and an RNC of a non-MBSFN type cell or an RNC shared by a MBSFN type cell and a non-MBSFN type cell, and other network entities having the same function.
  • the carried measurement content includes one of a frequency list of a MBSFN type cell, a measured channel, a measured parameter, and a neighboring non-MBSFN type cell list supporting service continuity or any combination thereof.
  • the frequency list of the MBSFN-type cell can be used to determine the MBSFN-type cell to be measured by using the frequency list. Specifically, the UE can search for the frequency points in the MBSFN-type cells that need to be measured, so that the UE can find the match. Required MBSFN class cell. In addition, the UE may further determine, according to the frequency list of the MBSFN type cell, a receiver that turns on the MBSFN when it is required to measure the MBSFN type cell, so as to achieve power saving.
  • the function of the measured channel is to determine the channel that needs to be measured in the MBSFN type cell.
  • the channel to be measured may be a T-CPICH (Time-multiplexed Common Pilot Channel) and a P-CPICH (Primary Common Pilot Channel), or may be only T-CPICH or P-CPICH, and if the two channels are measured simultaneously, the network device can also send the gain factors of the two channel measurements.
  • the measured parameters include RSCP (Received Signal Code Power), signal-to-noise ratio (ECC/N0), cache of the UE, or newly added parameters for the MBSFN class.
  • RSCP Receiveived Signal Code Power
  • ECC/N0 signal-to-noise ratio
  • cache of the UE or newly added parameters for the MBSFN class.
  • the role of the neighboring non-MBSFN class cell list supporting service continuity is to perform cell selection/cell reselection/cell when the user equipment migrates from the MBSFN type cell to the non-MBSFN type cell. Update/cell switching and other processes.
  • the UE performs the above process, whether the neighboring cell of the current cell supports the service continuity as one of the constraints, and then selects the neighboring cell capable of supporting the service continuity to perform cell selection/cell weight on the basis of the original criterion. Select/Cell Update/Cell Switch. In this way, the continuity of the service can be better ensured without affecting the original process, and the probability of service interruption is reduced.
  • the selectable measurement type may be the same frequency measurement, the inter-frequency measurement or the different system measurement.
  • MBMS can be used to transport traffic in MBSFN-like cells.
  • the MBMS mode can also be used to transmit service flows, while in other non-MBSFN class cells, only non-MBMS modes, such as PTP (point-to-point) mode, can be used to transmit service flows.
  • the MBMS method is divided into two transmission modes, one is a broadcast mode, and the other is a multicast mode. Thus, when using the MBMS broadcast mode, it is not necessary to report measurement information to the network device. However, when you use the multicast mode of the MBMS or the non-MBMS mode, you need to report the measurement information to the network device.
  • the measurement information may be reported to the RNC of the non-MBSFN type cell, and the measurement information is a handover request or a measurement result.
  • the measurement result includes all or part of the measured parameters of the above measured parameters, such as the received signal code power RSCP, the signal to noise ratio Ec/N0, the UE buffer, and the like.
  • the measurement result or the handover request may further include whether to report the service indication information, where the service indication information is a service identifier or a radio bearer identifier.
  • the service identifier such as the TMGI, may indicate the service flow that the UE is receiving, and the radio bearer identity (RB ID) refers to the non-MBSFN cell.
  • RB ID refers to the non-MBSFN cell.
  • the RNC of the FDD unicast cell is currently established for the UE during the service bearer establishment process. After the UE leaves the FDD unicast cell, the RNC of the FDD unicast cell needs to release the radio bearer to release the service accessed by the UE in the cell.
  • the radio bearer identifier can also function as a service identifier.
  • the reporting criteria may include periodic reporting, reporting when a triggering event occurs, and the like.
  • the triggering event may include: a first event: receiving a service flow in a non-MBSFN type cell, and the service flow being received is the same as a service flow provided by an MBSFN type cell, and the measurement result of the MBSFN type cell is in a duration The preset threshold value is met; and/or the second event: the MBSFN type cell is receiving the service flow, and the measurement result for the MBSFN type cell satisfies a preset threshold value for a duration.
  • the first event is triggered; and when the UE is switched from the MBSFN type cell to the non-MBSFN type cell, the second event is triggered.
  • the above-mentioned satisfying the preset threshold value means that a threshold value is preset, the measurement result may exceed or fall below a preset threshold value, or two threshold values may be preset, and the measurement result may be in the Between two preset thresholds.
  • another method for performing MBSFN-type cell measurement in this embodiment includes:
  • the measurement content includes one of a frequency list of MBSFN type cells, a measured channel, a measured parameter, and a list of adjacent non-MBSFN type cells supporting continuity of services, or any combination thereof.
  • S402 Send the measurement control information to the user equipment, so that the user equipment performs measurement on the MBSFN type cell according to the measurement content.
  • the measurement control message when sent to the UE, it may be sent by the RNC of the non-MBSFN type cell, or may be transmitted by the RNC of the MBSFN type cell.
  • the RNC of the non-MBSFN type cell When being transmitted by the RNC of the non-MBSFN type cell, it may be transmitted by the RNC of the non-MBSFN type cell through the radio resource control RRC signaling, or may be transmitted by the RNC of the non-MBSFN type cell through the system broadcast message.
  • S403 Receive measurement information reported by the user equipment according to the reporting rule carried by the measurement control information.
  • the network device in this embodiment includes an RNC of an MBSFN type cell, and an RNC of an non-MBSFN type cell or an MBSFN type cell and a non-MBSFN type cell.
  • the shared RNC can therefore receive the measurement information on the RNC.
  • the measurement information can be reported to the RNC of the non-MBSFN type cell.
  • the measurement information is a handover request or a measurement result.
  • the measurement result includes all or part of the measured parameters of the above measured parameters, such as the received signal code power RSCP, the signal to noise ratio Ec/NO, the UE buffer, and the like.
  • the measurement result or the handover request may further include whether to report the service indication information, where the service indication information is a service identifier or a radio bearer identifier.
  • the network device can determine whether the measurement information reported by the UE is for itself. If it is for itself, the network device parses the measurement information and performs subsequent processing according to the analysis result. Such measurement information includes measurement results, bearer release requests carried by RRC signaling, and the like. If not for itself, the network device forwards the measurement information to the core network. Such measurement information includes a service release request/service establishment request carried by the NAS signaling.
  • the method for performing cell handover according to the present invention is described in the following with reference to a specific embodiment.
  • the described embodiment illustrates the measurement of the MBSFN 1 MB cell by taking the handover between the MBSFN 1 MB cell and the FDD unicast cell as an example. It should be clear that the described embodiments are applicable not only to handover between MBSFN 1 MB cells and FDD unicast cells, but also to handover between MBSFN-like cells and unicast cells using similar techniques, such as between MBSFN cells and TDD cells. Switching etc.
  • the embodiments described at the same time are merely a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the FDD unicast cell switches to the MBSFN 1MB cell, where the FDD unicast cell performs traffic transmission in MBMS multicast mode or non-MBMS mode, and the MBSFN 1MB cell transmits traffic in MBMS broadcast mode.
  • the measurement control message is sent by the RNC of the FDD unicast cell through the RRC signaling, and the reporting criterion carried in the measurement control message is an event triggering report.
  • the measurement process is shown in Figure 5: 5501.
  • the RNC of the FDD unicast cell sends the measurement control information to the UE by using the RRC signaling when the MB SFN 1 MB cell exists in the neighboring cell of the current FDD unicast cell.
  • the UE After receiving the measurement control information, the UE measures the MBSFN 1 MB cell according to the measurement content carried in the measurement control information.
  • the UE determines the MBSFN 1 MB cell to be measured according to the frequency list of the MBSFN IMB cell in the measurement control information.
  • the UE determines a channel to be measured according to the measured channel in the measurement control information.
  • the channel that needs to be measured in this embodiment is a T-CPICH.
  • the measured parameters related to the T-CPICH channel are measured.
  • the measured parameters are the received signal code power RSCP and the signal to noise ratio Ec/N0.
  • the measurement control information sent in the embodiment carries the threshold value, and when the measured value of the received signal code power RSCP and the signal to noise ratio Ec/NO meets the threshold value for a duration, and when the MBSFN A trigger event is generated when there is a service in the 1 MB cell that is the same as the current FDD unicast cell.
  • the UE reports the measurement information to the RNC of the FDD unicast cell according to the event triggering report mode carried in the measurement control information.
  • the specifically reported measurement information is a handover request, so as to switch to the MBSFN IMB cell through the handover request.
  • the UE reports the handover request in two ways. The first mode is that the UE sends the RRC signaling carrying the handover request to the RNC of the FDD unicast cell, and the second mode is that the UE forwards the RNC through the FDD unicast cell.
  • the core network sends NAS signaling carrying the handover request.
  • the RNC of the FDD unicast cell sends a bearer release command to the UE.
  • the UE directly accesses a service initiated by the MBSFN 1MB cell.
  • the step S503 may not be performed, that is, the measurement information is not reported to the RNC of the FDD unicast cell, and the UE may directly end the FDD unicast cell. The receipt of this traffic flow.
  • the threshold value may not be carried in the sent measurement control message to avoid the occurrence of a trigger event, so that the measurement result may be reported to the RNC of the FDD unicast cell by using the periodic reporting manner, and then the RNC of the FDD unicast cell according to the measurement The result determines whether or not to switch.
  • the measurement control message may be sent by the RNC of the FDD unicast cell through RRC signaling.
  • the UE that is in the CELL_DCH state and cannot receive the system broadcast message can receive the measurement control information, thereby implementing measurement of the MBSFN type cell.
  • the MBSFN 1MB cell is switched to the FDD unicast cell, where the FDD unicast cell performs traffic transmission in MBMS multicast mode or non-MBMS mode, and the MBSFN 1MB cell transmits traffic in MBMS broadcast mode.
  • the measurement control message is sent by the RNC of the FDD unicast cell through the system broadcast message, and the reporting criterion carried in the measurement control message is event triggered reporting.
  • the RNC of the FDD unicast cell sends measurement control information to the UE by using a system broadcast message.
  • the UE After receiving the measurement control information, the UE performs measurement on the current MBSFN 1 MB cell according to the measurement content carried in the measurement control information.
  • the UE determines a channel to be measured according to the measured channel in the measurement control information.
  • the channel to be measured in this embodiment is a P-CPICH. Then, measurements are made on the measured parameters related to the P-CPICH channel.
  • the measurement control information sent in the embodiment carries a threshold value, and when the measured value satisfies the threshold value for a duration, a trigger event is generated.
  • the UE reports the measurement information to the RNC of the FDD unicast cell according to the event triggering report mode carried in the measurement control information.
  • the specifically reported measurement information is a handover request, so as to be switched by the MBSFN 1MB cell to the FDD unicast cell by the handover request.
  • the switch request can be: Cell Update, URA Update, Measurement Report, Initial Direct Transfer / Uplink Direct Transfer, or add an uplink trigger message.
  • the above information may carry the measurement result of the current UE for the measured parameter.
  • S604 The RNC of the FDD unicast cell sends a bearer setup command to the UE, where the UE can directly end the reception of the MBSFN 1 MB cell service flow and access the service initiated by the FDD unicast cell.
  • the step S603 may not be performed, that is, the measurement information is not reported to the RNC of the FDD unicast cell, and the UE may directly terminate the MBSFN 1 MB cell.
  • the service flow is received, and the reception of the FDD unicast cell service flow is started directly.
  • the threshold value may not be carried in the sent measurement control message to avoid the occurrence of a trigger event, so that the measurement result may be reported to the RNC of the FDD unicast cell by using the periodic reporting manner, and then The RNC of the FDD unicast cell determines whether to perform handover based on the measurement result.
  • the measurement control message may be sent by the RNC of the FDD unicast cell.
  • the RNC of the FDD unicast cell can send the measurement control message through the system broadcast message.
  • the MBSFN 1MB cell is switched to the FDD unicast cell, where the FDD unicast cell performs traffic transmission in MBMS multicast mode or non-MBMS mode, and the MBSFN 1MB cell transmits traffic in MBMS broadcast mode.
  • the measurement control message is sent by the RNC of the MBSFN 1MB cell through the system broadcast message, and the reporting criterion carried in the measurement control message is event triggered reporting.
  • the RNC of the current MBSFN 1 MB cell sends the measurement control information to the UE by using the system broadcast message.
  • the UE After receiving the measurement control information, the UE performs measurement on the current MBSFN 1 MB cell according to the measurement content carried in the measurement control information.
  • the UE determines a channel to be measured according to the measured channel in the measurement control information. Then targeted The measured parameters related to the channel are measured.
  • the measurement control information sent in the embodiment carries a threshold value, and when the measured value satisfies the threshold value for a duration, a trigger event is generated.
  • the UE reports the measurement information to the RNC of the FDD unicast cell according to the event triggering report mode carried in the measurement control information.
  • the specifically reported measurement information is a handover request, so as to be switched by the MBSFN 1MB cell to the FDD unicast cell by the handover request.
  • the switch request can be: Cell Update, URA Update, Measurement Report, Initial Direct Transfer / Uplink Direct Transfer, or add an uplink trigger message.
  • the above information may carry the measurement result of the current UE for the measured parameter.
  • the RNC of the FDD unicast cell sends a bearer setup command to the UE, where the UE can directly end the reception of the MBSFN 1MB cell service flow and access the service initiated by the FDD unicast cell.
  • the step S603 may not be performed, that is, the measurement information is not reported to the RNC of the FDD unicast cell, and the UE may directly end the MBMBN 1 MB cell.
  • the service flow is received, and the reception of the FDD unicast cell service flow is started directly.
  • the threshold value may not be carried in the measurement control message that is sent, so as to avoid the occurrence of a trigger event, so that the measurement result can be reported to the RNC of the FDD unicast cell by using the periodic reporting manner.
  • the RNC of the FDD unicast cell determines whether to perform handover based on the measurement result.
  • the measurement control message may be sent by the RNC of the MBSFN 1 MB cell.
  • the storage medium may be a magnetic disk, an optical disk, or a read-only storage memory (Read-Only) Memory, ROM) or Random Acces s Memory (RAM).
  • the embodiment of the present invention further provides an apparatus for performing MBSFN-type cell measurement, including:
  • the receiving unit 801 is configured to receive measurement control information sent by the network device.
  • the receiving control unit 801 may receive the measurement control information that is sent by the network device, and may be the measurement control information that is sent by the radio network controller (RNC) that receives the non-MBSFN-type cell, or may be the measurement control information that is sent by the RNC that receives the MBSFN-type cell. . Specifically, as shown in FIG. 9, the receiving unit 801 further includes:
  • the first receiving module 8011 is configured to receive measurement control information sent by a radio network controller of a non-MBSFN type cell. For a UE having dual receive antennas, the first receiving module 8011 is one of the antenna devices for receiving non-MBSFN-type cell traffic streams.
  • the second receiving module 8012 is configured to receive measurement control information sent by the radio network controller of the MBSFN type cell.
  • the second receive module 8012 is another antenna device for receiving MBSFN-type cell traffic.
  • the receiving unit may also include only the first receiving module or only the second receiving module in other embodiments.
  • the network device in this embodiment includes an RNC of an MBSFN type cell, and an RNC of a non-MBSFN type cell or an RNC shared by a MBSFN type cell and a non-MBSFN type cell.
  • the measuring unit 802 is configured to perform measurement on the MBSFN type cell according to the measurement content carried in the measurement control information.
  • the carried measurement content includes one of a frequency list of a MBSFN type cell, a measured channel, a measured parameter, and a neighboring non-MBSFN type cell list supporting service continuity or any combination thereof.
  • the apparatus further includes a reporting unit 803.
  • the reporting unit 803 is configured to report the measurement information to the network device according to the reporting criterion carried in the measurement information.
  • MBMS mode can be used to transmit service streams in MBSFN-type cells.
  • the MBMS mode can also be used to transmit the service stream, while in other non-MBSFN type cells, only the non-MBMS mode, such as the PTP (point-to-point) mode, can be used to transmit the service stream.
  • the MBMS mode is also divided into two transmission modes, one is a broadcast mode, and the other is a multicast mode. In this way, when the broadcast mode of the MBMS is used, it is not necessary to report the measurement information to the network device. When you use the multicast mode of the MBMS or the non-MBMS mode, you need to report the measurement information to the network device.
  • the measurement information may be reported to the RNC of the non-MBSFN type cell, and the measurement information is a handover request or a measurement result.
  • the measurement result includes all or part of the measured parameters of the above measured parameters, such as the received signal code power RSCP, the signal to noise ratio Ec/N0, the UE buffer, and the like.
  • the measurement result or the handover request may further include whether to report the service indication information, where the service indication information is a service identifier or a radio bearer identifier.
  • the service identifier such as the TMGI, may indicate the service flow that the UE is receiving, and the radio bearer identity (RB ID) refers to the non-MBSFN cell.
  • RB ID refers to the non-MBSFN cell.
  • the RNC of the FDD unicast cell is currently established for the UE during the service bearer establishment process. After the UE leaves the FDD unicast cell, the RNC of the FDD unicast cell needs to release the radio bearer to release the service accessed by the UE in the cell.
  • the radio bearer identifier can also function as a service identifier. By reporting the service identifier or the radio bearer identifier, it can be determined whether the neighboring cell can provide the same service as the service being performed by the current cell.
  • the reporting criteria may include periodic reporting, reporting when a triggering event occurs, and the like.
  • the triggering event may include: a first event: receiving a service flow in a non-MBSFN type cell, and the service flow being received is the same as a service flow provided by an MBSFN type cell, and the measurement result of the MBSFN type cell is in a duration The preset threshold value is met; and/or the second event: the MBSFN type cell is receiving the service flow, and the measurement result for the MBSFN type cell satisfies a preset threshold value for a duration.
  • the first event is triggered; and when the UE is switched from the MBSFN type cell to the non-MBSFN type cell, the second event is triggered.
  • the apparatus for performing MBSFN-type cell measurement can be used, for example, to perform the following figure. 1.
  • a method of measuring an MBSFN type cell provided by the embodiment shown in FIG. 3 and FIGS. 5 to 7.
  • the apparatus for performing MBSFN-type cell measurement provided by the embodiment of the present invention implements measurement of an MBSFN-type cell by transmitting measurement control information by the network device and carrying the measurement content in the measurement control information, so that the measurement is better.
  • the continuity of the user equipment access service during cell handover is ensured, and the user experience and satisfaction are improved.
  • the costly network can be provided only in the hotspot area, such as the MBSFN 1MB network, which saves the operating cost of the network.
  • the embodiment of the present invention further provides another apparatus for performing MBSFN-like cell measurement, including:
  • the determining unit 1001 determines the measurement content carried in the measurement control information
  • the measurement content includes one of a frequency list of MBSFN type cells, a measured channel, a measured parameter, and a list of adjacent non-MBSFN type cells supporting continuity of services, or any combination thereof.
  • the sending unit 1002 is configured to send measurement control information to the user equipment, so that the user equipment performs measurement on the MBSFN type cell according to the measurement content carried in the measurement control information.
  • the measurement control message when sent to the UE, it may be sent by the RNC of the non-MBSFN type cell, or may be transmitted by the RNC of the MBSFN type cell.
  • the RNC of the non-MBSFN type cell When being transmitted by the RNC of the non-MBSFN type cell, it may be transmitted by the RNC of the non-MBSFN type cell through the radio resource control RRC signaling, or may be transmitted by the RNC of the non-MBSFN type cell through the system broadcast message.
  • the transmitting unit 1002 may include RNCs of non-MBSFN type cells and RNCs of MBSFN type cells, or may include only RNCs of non-MBSFN type cells, or RNCs including only MBSFN type cells.
  • the device further includes:
  • the receiving unit 1003 is configured to receive measurement information reported by the user equipment according to the reporting criteria carried in the measurement control information;
  • the network device in this embodiment includes an RNC of an MBSFN type cell, and an RNC of an non-MBSFN type cell or an MBSFN type cell and a non-MBSFN type cell.
  • the shared RNC can therefore receive the measurement information on the RNC.
  • the measurement information can be reported to the RNC of the non-MBSFN type cell.
  • the measurement information is a handover request or a measurement result.
  • the measurement result includes all or part of the measured parameters of the above measured parameters, such as the received signal code power RSCP, the signal to noise ratio Ec/NO, the UE buffer, and the like.
  • the measurement result or the handover request may further include whether to report the service indication information, where the service indication information is a service identifier or a radio bearer identifier.
  • the parsing unit 1004 is configured to parse the measurement information
  • the network device can determine whether the measurement information reported by the UE is for itself. If it is for itself, the parsing unit 1004 of the network device parses the measurement information and performs subsequent processing based on the analysis result.
  • measurement information includes measurement results, bearer release requests carried by RRC signaling, and the like.
  • the forwarding unit 1005 is configured to forward the measurement information to the core network.
  • the forwarding unit 1005 of the network device forwards the measurement information to the core network.
  • measurement information includes a service release request/service establishment request carried by the NAS signaling.
  • the apparatus is not limited to this. In other embodiments, the apparatus in this embodiment may also include only the parsing unit, or only the forwarding unit.
  • the apparatus for performing MBSFN-type cell measurement can be used, for example, to perform the measurement method of the MBSFN-type cell provided by the embodiment shown in FIG. 2, FIG. 4, and FIGS. 5 to 7.
  • the apparatus for performing MBSFN-type cell measurement implemented by the embodiment of the present invention implements measurement of an MBSFN-type cell by transmitting measurement control information by the network device and carrying the measurement content in the measurement control information, so that the measurement is better.
  • the continuity of the user equipment access service during cell handover is ensured, and the user experience and satisfaction are improved.
  • the costly network can be provided only in the hotspot area, such as the MBSFN 1MB network, which saves the operation cost of the network.
  • an embodiment of the present invention further provides a system for performing MBSFN-type cell measurement, where the system includes:
  • the network device 1201 is configured to send measurement control information to the user equipment, so that the user equipment performs measurement on the MBSFN type cell according to the measurement content carried in the measurement control information;
  • the user equipment 1202 is configured to receive measurement control information sent by the network device, and perform measurement on the MBSFN type cell according to the measurement content carried in the measurement control information.
  • the system for performing MBSFN-type cell measurement implemented by the embodiment of the present invention implements measurement of an MBSFN-type cell by transmitting measurement control information by the network device and carrying the measurement content in the measurement control information, so that the measurement is better.
  • the continuity of the user equipment access service during cell handover is ensured, and the user experience and satisfaction are improved.
  • the costly network can be provided only in the hotspot area, such as the MBSFN 1MB network, which saves the operation cost of the network.

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Description

进行 MBSFN类小区测量的方法和装置 本申请要求于 2009年 12月 31 日提交的， 申请号为 20091 02 171 07. 0，发 明名称为 "进行 MBSFN 类小区测量的方法和装置" 的中国申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及通信技术领域，尤其涉及一种进行 MBSFN类小区测量的方法 和装置。
背景技术
在当前的移动通信系统中， 除了点到点的单播业务， 还有点到多点的多 播业务， 以提供丰富的用户体验。 在移动通信系统的演进中， 为了提高多播 业务的覆盖范围和质量， 逐渐由 MBMS ( Multimedia Broadcast Multicast Service,多媒体广播多播业务）演进到 MBSFN( MBMS over a Single Frequency Network， 广播 /组播单频网络）。 MB SFN即多个工作在相同频点的小区。
在实际布网中，考虑到 MBSFN小区布网费用较高， 因此一般只会在热点 区域或者城区布网，而在其他区域则进行 FDD ( Frequency Division Duplex频 分双工） 单播 ( unicast ) 小区布网， 这样当 UE ( User Equipment用户设备 ) 由 MBSFN小区向 FDD unicast小区迁移或由 FDD unicast小区向 MBSFN小 区迁移时， 为了保证 UE的业务不发生中断， 就需要对 UE的应用场景进行切 换。
在对 UE的应用场景进行切换之前，首先需要测量当前小区和与当前小区 相邻的小区的参数，以依据测量结果判断 UE驻留在哪个小区中接入业务更合 适， 从而根据该判断结果进行小区切换或者不进行切换。 但是目前并没有对 于 MBSFN小区测量的方案，因此无法保证在小区切换时 UE接入业务的连续 性。 发明内容 本发明实施例提供一种进行 MBSFN 类小区测量的方法和装置， 对 MBSFN类小区进行测量， 以保证在小区切换时 UE接入业务的连续性。
为达到上述目的， 本发明实施例采用如下技术方案：
一种进行 MBSFN类小区测量的方法， 包括：
接收网络设备下发的测量控制信息；
根据所述测量控制信息中携带的测量内容对 MBSFN类小区进行测量； 其中所述测量内容包括 MBSFN类小区的频率列表、被测信道、被测参数、 支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合。
本发明实施例还提供了一种进行 MBSFN类小区测量的方法， 包括： 确定在测量控制信息中携带的测量内容，所述测量内容包括 MBSFN类小 区的频率列表、被测信道、被测参数、 支持服务连续性的相邻非 MBSFN类小 区列表中的一种或其任意组合；
向用户设备发送所述测量控制信息， 以便用户设备根据所述测量内容对 MBSFN类小区进行测量。
本发明实施例提供了一种进行 MBSFN类小区测量的装置， 包括： 接收单元， 用于接收网络设备下发的测量控制信息；
测量单元，用于根据所述测量控制信息中携带的测量内容对 MBSFN类小 区进行测量；
其中所述测量内容包括 MBSFN类小区的频率列表、被测信道、被测参数、 支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合。
本发明实施例还提供了一种进行 MBSFN类小区测量的装置， 包括： 确定单元， 用于确定在测量控制信息中携带的测量内容， 所述测量内容 包括 MBSFN类小区的频率列表、被测信道、被测参数、 支持服务连续性的相 邻非 MBSFN类小区列表中的一种或其任意组合；
发送单元， 用于向用户设备发送所述测量控制信息， 以便用户设备根据 所述测量内容对 MBSFN类小区进行测量。
本发明实施例提供的进行 MBSFN类小区测量的方法和装置，通过由网络 设备下发测量控制信息， 并在所述测量控制信息中携带测量内容， 从而实现 了对 MBSFN类小区的测量，因此较好地保证了在小区切换时用户设备接入业 务的连续性， 从而提升了用户体验和满意度。 附图说明
图 1为本发明实施例一种进行 MBSFN类小区测量方法的流程示意图； 图 2为本发明实施例另一种进行 MBSFN类小区测量方法的流程示意图； 图 3为图 1所示方法的详细流程示意图；
图 4为图 2所示方法的详细流程示意图；
图 5为本发明实施例一进行 MBSFN类小区测量的流程图；
图 6为本发明实施例二进行 MBSFN类小区测量的流程图；
图 7为本发明实施例三进行 MB SFN类小区测量的流程图；
图 8为本发明实施例一种进行 MBSFN类小区测量的装置结构示意图； 图 9为图 8所示装置的详细视图；
图 10为本发明实施例另一种进行 MBSFN类小区测量的装置结构示意图； 图 11为图 10所示装置的详细视图；
图 12为本发明实施例进行 MBSFN类小区测量的系统结构示意图。 具体实施方式
下面结合附图对本发明实施例进行 MBSFN 类小区测量的方法和装置进 行详细描述。
如图 1所示， 本发明的实施例提供一种进行 MBSFN类小区测量的方法， 所述方法包括：
5101 , 接收网络设备下发的测量控制信息；
5102, 根据所述测量控制信息中携带的测量内容对 MBSFN类小区进行 测量；
其中所述测量内容包括 MBSFN类小区的频率列表、被测信道、被测参数、 支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合。
如图 2所示，本发明的实施例提供了另一种进行 MBSFN类小区测量的方 法， 所述方法包括：
5201 , 确定在测量控制信息中携带的测量内容， 所述测量内容包括 MBSFN类小区的频率列表、 被测信道、 被测参数、 支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合；
5202 , 向用户设备发送所述测量控制信息， 以便用户设备根据所述测量 内容对 MBSFN类小区进行测量。
本发明实施例提供的进行 MBSFN类小区测量的方法，通过由网络设备下 发测量控制信息， 并在所述测量控制信息中携带测量内容， 从而实现了对 MBSFN类小区的测量， 因此较好地保证了在小区切换时用户设备接入业务的 连续性， 提升用户体验和满意度。 同时， 由于切换过程对业务的保障， 可以 只在热点区域提供成本较高的布网， 如 MBSFN 1MB布网， 节约了网络的运 营成本。
下面具体地说明进行 MB SFN类小区测量的方法。
具体而言， 如图 3所示， 本实施例一种进行 MBSFN类小区测量的方法， 该方法包括：
S301 , 接收网络设备下发的测量控制信息；
具体而言， 该步骤可以为接收非 MBSFN类小区的 RNC ( Radio Network Controller无线网络控制器） 下发的测量控制信息， 或者该步骤可以为接收 MBSFN类小区的 RNC下发的测量控制信息。 对于具有双接收天线的用户设 备（UE )而言， 其中一个天线可以接收非 MBSFN类小区的 RNC下发的测量 控制信息， 而另一个天线则可以接收 MBSFN类小区的 RNC下发的测量控制 信息。 其中， MBSFN类小区可以为 MBSFN小区或 MBSFN 1MB小区等， 也 即具有 MBSFN小区特性的各种小区。而非 MBSFN类小区可以为 FDD unicast 小区、 TDD小区等。
当该步骤为接收非 MBSFN类小区的 RNC下发的测量控制信息时， 根据 UE所处的状态不同， 非 MBSFN类小区的 RNC可以通过不同的方式向 UE 发送测量控制信息。具体地，当 UE处于 CELL_DCH或 CELL_FACH状态时， 可以通过无线资源控制 RRC信令下发测量控制信息， 而当 UE处于其他状态 时， 如处于 idle、 URA_PCH、 CELL_PCH或 CELL FACH状态时， 可以通过 系统广播消息下发测量控制信息， 对于具有更高能力的 UE， 在 CELL_DCH 状态也可以通过系统广播消息下发测量控制信息。
本实施例中的网络设备例如可以包括 MBSFN 类小区的 RNC、 和非 MBSFN类小区的 RNC或者 MBSFN类小区和非 MBSFN类小区共有的 RNC， 以及其他具有同样功能的网络实体。
S302, 根据所述测量控制信息中携带的测量内容对 MBSFN类小区进行 测量；
其中， 所述携带的测量内容包括 MBSFN类小区的频率列表、 被测信道、 被测参数、支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组 合。
具体而言：
MBSFN类小区的频率列表的作用是，可以通过该频率列表确定需要测量 的 MBSFN类小区， 具体而言， UE可以依次对各需要测量的 MBSFN类小区 内的频点进行搜索， 从而可以找出符合要求的 MBSFN类小区。 此外， UE还 可以根据该 MBSFN 类小区的频率列表， 决定在需要对 MBSFN类小区测量 时再打开 MBSFN的接收机， 以达到省电的目的。
被测信道的作用是， 用于确定 MBSFN类小区内需要测量的信道。 其中， 所需测量的信道可以为 T-CPICH ( Time-multiplexed Common Pilot Channel, 时分导频信道 )和 P-CPICH ( Primary Common Pilot Channel, 主公共导频信 道）， 或者可以仅为 T-CPICH或 P-CPICH, 而且如果该两个信道同时测量时， 网络设备还可以下发这两个信道测量结果的增益因子。
被测参数包括接收信号码功率 RSCP ( Received Signal Code Power )，信噪 比 Ec/N0， UE的緩存或者针对 MBSFN类小区新增的被测参数。
支持服务连续性的相邻非 MBSFN 类小区列表的作用是， 当用户设备由 MBSFN类小区向非 MBSFN类小区迁移时， 会执行小区选择 /小区重选 /小区 更新 /小区切换等过程。 当 UE进行以上过程时， 在满足原有准则的基础上， 可以将当前小区的邻小区是否支持业务连续性作为约束条件之一， 从而选择 能够支持服务连续性的邻小区进行小区选择 /小区重选 /小区更新 /小区切换。这 样可以在不影响原有流程的前提下， 更好地保障业务的连续性， 使得业务中 断的概率降低。
在 UE对 MBSFN类小区进行测量时，可选择的测量类型可以为同频测量， 异频测量或异系统测量。
S303 , 按照所述测量信息中携带的上报准则， 向网络设备上报测量信息。 一般在 MBSFN 类小区中可以使用 MBMS 方式传输业务流。 在一些非 MBSFN类小区中也可以使用 MBMS方式传输业务流，而在另一些非 MBSFN 类小区中则只能使用非 MBMS方式， 如 PTP (点到点）方式传输业务流。 此 外， MBMS方式还分为两种传输方式， 一种是广播模式， 另一种是组播模式。 这样， 使用 MBMS的广播模式时， 不需要向网络设备上报测量信息。 但使用 MBMS的组播模式时或非 MBMS方式时， 则需要向网络设备上报测量信息。
当存在非 MBSFN类小区时， 可以向非 MBSFN类小区的 RNC上报测量 信息， 该测量信息为切换请求或测量结果。 当上报测量结果时， 该测量结果 包括上述被测参数中的全部或部分被测参数， 如接收信号码功率 RSCP， 信噪 比 Ec/N0， UE的緩存等。
另外， 该测量结果或切换请求中还可以包括是否上报业务指示信息， 所 述业务指示信息为业务标识或无线承载标识。 其中业务标识如 TMGI等可以 指示 UE正在接收的业务流， 而无线承载标识（RB ID， Radio Bearer identity ) 指的是非 MBSFN小区， 如 FDD unicast小区的 RNC在业务承载建立过程中 为 UE当前所建立的业务分配的标识， 在 UE离开该 FDD unicast小区之后， 还需要请求 FDD unicast小区的 RNC释放该无线承载从而释放 UE在该小区 接入的业务。 该无线承载标识也可以起到业务标识的作用。 通过上报的业务 标识或无线承载标识， 则可以确定相邻小区是否能够提供和当前小区正在进 行的业务有相同的业务。 需要说明的是， 所述上报准则可以包括周期性上报、 触发事件发生时上 报等。其中触发事件可以包括，第一事件：正在非 MBSFN类小区接收业务流， 且该正在接收的业务流与 MBSFN 类小区提供的一种业务流相同， 并且对 MBSFN 类小区的测量结果在一段持续时间内满足预先设定的门限值； 和 /或 第二事件： 正在 MBSFN类小区接收业务流， 且对 MBSFN类小区的测量结果 在一段持续时间内满足预先设定的门限值。通常在 UE由非 MBSFN类小区向 MBSFN类小区切换时， 会触发第一事件； 而当 UE 由 MBSFN类小区向非 MBSFN类小区切换时， 会触发第二事件。
上述满足预先设定的门限值指预先设定一个门限值， 该测量结果可以超 过或低于预先设定的门限值， 或预先设定两个门限值， 该测量结果可以在该 预先设定的两个门限值之间。
如图 4所示，本实施例另一种进行 MBSFN类小区测量的方法，该方法包 括：
S401， 确定在测量控制信息中携带的测量内容；
所述测量内容包括 MBSFN类小区的频率列表、被测信道、被测参数、 支 持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合。
5402 , 向用户设备发送所述测量控制信息， 以便用户设备根据所述测量 内容对 MBSFN类小区进行测量；
具体而言，向 UE发送测量控制消息时，可以由非 MBSFN类小区的 RNC 发送，或者可以由 MBSFN类小区的 RNC发送。当由非 MBSFN类小区的 RNC 发送时， 可以由非 MBSFN类小区的 RNC通过无线资源控制 RRC信令发送， 或者可以由非 MBSFN类小区的 RNC通过系统广播消息发送。
5403 , 接收由用户设备按照所述测量控制信息携带的上报准则上报的测 量信息；
当使用 MBMS的组播模式或非 MBMS方式传输业务流时， 则需要接收 由用户设备上报的测量信息。本实施例中所述网络设备包括 MBSFN类小区的 RNC、 和非 MBSFN类小区的 RNC或者 MBSFN类小区和非 MBSFN类小区 共有的 RNC， 因此可以由 RNC接收上 的测量信息。 其中当存在非 MBSFN 类小区时， 一般可以向非 MBSFN类小区的 RNC上报测量信息。
该测量信息为切换请求或测量结果。 当上报测量结果时， 该测量结果包 括上述被测参数中的全部或部分被测参数， 如接收信号码功率 RSCP， 信噪比 Ec/NO, UE 的緩存等。 另外， 该测量结果或切换请求中还可以包括是否上报 业务指示信息， 所述业务指示信息为业务标识或无线承载标识。
S404， 解析所述测量信息或向核心网转发所述测量信息。
具体而言， 网络设备可以判断 UE上报的测量信息是否是针对其本身的。 如果是针对其本身的， 则网络设备对该测量信息进行解析， 并根据解析结果 进行后续处理。 这类测量信息包括测量结果、 由 RRC信令携带的承载释放请 求等。 如果不是针对其本身的， 则网络设备向核心网转发该测量信息。 这类 测量信息包括 NAS信令携带的业务释放请求 /业务建立请求等。
下面结合具体的实施例对本发明进行小区切换的方法进行消息描述。 所 描述的实施例以在 MBSFN 1MB小区和 FDD unicast小区之间的切换为例说明 对 MBSFN 1MB小区的测量。 应当明确， 所描述的实施例不仅适用于 MBSFN 1MB小区和 FDD unicast小区之间的切换， 也适用于采用相似技术的 MBSFN 类小区和单播小区之间的切换， 如 MBSFN小区和 TDD小区之间的切换等。 同时所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基 于本发明中的实施例， 本领域普通技术人员在没有作出创造性劳动前提下所 获得的所有其它实施例， 都属于本发明保护的范围。
下面描述本发明实施例提供的再一种进行 MBSFN类小区测量的方法。 应用场景：由 FDD unicast小区向 MBSFN 1MB小区切换，其中 FDD unicast 小区以 MBMS的组播模式或非 MBMS方式进行业务流传输， MBSFN 1MB小 区以 MBMS的广播模式进行业务流传输。 由 FDD unicast小区的 RNC通过 RRC信令下发测量控制消息， 且该测量控制消息中携带的上报准则为事件触 发式上报。
测量过程如图 5所示： 5501 , 在当前 FDD unicast小区的邻区存在 MB SFN 1MB小区时， FDD unicast小区的 RNC通过 RRC信令向 UE下发测量控制信息。
5502 , UE接收到该测量控制信息后， 根据该测量控制信息中携带的测量 内容对 MBSFN 1MB小区进行测量。
首先， UE根据测量控制信息中的 MBSFN IMB小区的频率列表确定需要 测量的 MBSFN 1MB小区。
然后， UE根据测量控制信息中的被测信道确定需要测量的信道， 例如本 实施例中需要测量的信道为 T-CPICH。
之后， 针对与该 T-CPICH信道有关的被测参数进行测量， 本实施例中被 测参数为接收信号码功率 RSCP和信噪比 Ec/N0。并且本实施例中下发的测量 控制信息携带有门限值， 则当接收信号码功率 RSCP和信噪比 Ec/NO的测量 值在一段持续时间内均满足该门限值时， 且当 MBSFN 1MB小区内存在有与 当前 FDD unicast小区相同的业务时， 则产生触发事件。
5503 , UE 按照测量控制信息中携带的事件触发式上报方式， 向 FDD unicast小区的 RNC上报测量信息。 在本实施例中， 具体上报的测量信息为切 换请求， 以便于通过该切换请求向 MBSFN IMB小区切换。 具体而言， UE上 报切换请求有两种方式， 第一种方式为 UE向 FDD unicast小区的 RNC发送 携带有切换请求的 RRC信令，第二种方式为 UE通过 FDD unicast小区的 RNC 的转发向核心网发送携带有切换请求的 NAS信令。
5504, FDD unicast小区的 RNC向 UE发送承载释放指令。
5505 , UE直接接入由 MBSFN 1MB小区发起的业务。
需要说明的是， 本实施例中当 FDD unicast小区以 MBMS的广播模式进 行业务流传输时， 可以不执行步骤 S503， 即不向 FDD unicast小区的 RNC上 报测量信息， UE可以直接结束在 FDD unicast小区对该业务流的接收。
而且， 在下发的测量控制消息中也可以不携带门限值， 以避免产生触发 事件， 从而可以利用周期性上报方式向 FDD unicast小区的 RNC上报测量结 果， 再由 FDD unicast小区的 RNC根据该测量结果决定是否进行切换。 本实施例中对 MBSFN 类小区的测量方法， 当由 FDD unicast 小区向 MBSFN 1MB小区切换时， 可以由 FDD unicast小区的 RNC通过 RRC信令下 发测量控制消息。 而且能够使处于 CELL_DCH状态而无法接收系统广播消息 的 UE接收所述测量控制信息， 从而实现对 MBSFN类小区的测量。
下面描述本发明实施例提供的又一种进行 MBSFN类小区测量的方法。 应用场景：由 MBSFN 1MB小区向 FDD unicast小区切换，其中 FDD unicast 小区以 MBMS的组播模式或非 MBMS方式进行业务流传输， MBSFN 1MB小 区以 MBMS的广播模式进行业务流传输。 由 FDD unicast小区的 RNC通过系 统广播消息下发测量控制消息， 且该测量控制消息中携带的上报准则为事件 触发式上报。
测量过程如图 6所示：
5601 , 在当前 MBSFN 1MB小区的邻区存在有 FDD unicast小区时， FDD unicast小区的 RNC通过系统广播消息向 UE下发测量控制信息。
5602 , UE接收到该测量控制信息后， 根据该测量控制信息中携带的测量 内容对当前 MBSFN 1MB小区进行测量。
首先， UE根据测量控制信息中的被测信道确定需要测量的信道， 例如本 实施例中需要测量的信道为 P-CPICH。 然后， 针对与该 P-CPICH信道有关的 被测参数进行测量。
并且本实施例中下发的测量控制信息携带有门限值， 则上述测量值在一 段持续时间内满足该门限值时， 产生触发事件。
5603 , UE 按照测量控制信息中携带的事件触发式上报方式， 向 FDD unicast小区的 RNC上报测量信息。 在本实施例中， 具体上报的测量信息为切 换请求，以便于通过该切换请求由 MBSFN 1MB小区向 FDD unicast小区切换。 该切换清求可以为： Cell Update、 URA Update、 Measurement Report、 Initial Direct Transfer / Uplink Direct Transfer (业务建立或者组播加入过程）、 或新增 上行触发消息。
其中以上消息中均可以携带当前 UE针对该被测参数的测量结果。 S604, FDD unicast小区的 RNC向 UE发送承载建立指令， 此时 UE可以 直接结束对 MBSFN 1MB小区业务流的接收， 并接入由 FDD unicast小区发起 的业务。
需要说明的是， 本实施例中当 FDD unicast小区以 MBMS的广播模式进 行业务流传输时， 可以不执行步骤 S603， 即不向 FDD unicast小区的 RNC上 报测量信息， UE可以直接结束对 MBSFN 1MB小区业务流的接收， 并直接开 始对 FDD unicast小区业务流的接收。
与附图 5 所示的实施例类似， 在下发的测量控制消息中也可以不携带门 限值， 以避免产生触发事件， 从而可以利用周期性上报方式向 FDD unicast小 区的 RNC上报测量结果，再由 FDD unicast小区的 RNC根据该测量结果决定 是否进行切换。
本实施例中的 MBSFN类小区的测量方法，当由 MBSFN 1MB小区向 FDD unicast小区切换时， 也可以由 FDD unicast小区的 RNC下发测量控制消息。 且当 UE处于非 CELL_DCH状态而能够接收系统广播消息时， 可以由 FDD unicast小区的 RNC通过系统广播消息下发该测量控制消息。
下面描述本发明实施例提供的又再一种进行 MBSFN类小区测量的方法。 应用场景：由 MBSFN 1MB小区向 FDD unicast小区切换，其中 FDD unicast 小区以 MBMS的组播模式或非 MBMS方式进行业务流传输， MBSFN 1MB小 区以 MBMS的广播模式进行业务流传输。 由 MBSFN 1MB小区的 RNC通过 系统广播消息下发测量控制消息， 且该测量控制消息中携带的上报准则为事 件触发式上报。
测量过程如图 7所示：
5701 , 在当前 MBSFN 1MB小区的邻区存在有 FDD unicast小区时， 当前 MBSFN 1MB小区的 RNC通过系统广播消息向 UE下发测量控制信息。
5702 , UE接收到该测量控制信息后， 根据该测量控制信息中携带的测量 内容对当前 MBSFN 1MB小区进行测量。
首先 UE根据测量控制信息中的被测信道确定需要测量的信道。然后针对 与该信道有关的被测参数进行测量。
并且本实施例中下发的测量控制信息携带有门限值， 则上述测量值在一 段持续时间内满足该门限值时， 产生触发事件。
5703 , UE 按照测量控制信息中携带的事件触发式上报方式， 向 FDD unicast小区的 RNC上报测量信息。 在本实施例中， 具体上报的测量信息为切 换请求，以便于通过该切换请求由 MBSFN 1MB小区向 FDD unicast小区切换。 该切换清求可以为： Cell Update、 URA Update、 Measurement Report、 Initial Direct Transfer / Uplink Direct Transfer (业务建立或者组播加入过程）、 或新增 上行触发消息。
其中以上消息中均可以携带当前 UE针对该被测参数的测量结果。
5704, FDD unicast小区的 RNC向 UE发送承载建立指令， 此时 UE可以 直接结束在 MBSFN 1MB小区业务流的接收， 并接入由 FDD unicast小区发起 的业务。
需要说明的是， 本实施例中当 FDD unicast小区以 MBMS的广播模式进 行业务流传输时， 可以不执行步骤 S603， 即不向 FDD unicast小区的 RNC上 报测量信息， UE可以直接结束在 MBSFN 1MB小区业务流的接收， 并直接开 始对 FDD unicast小区业务流的接收。
与附图 5 所示实施例类似地， 在下发的测量控制消息中也可以不携带门 限值， 以避免产生触发事件， 从而可以利用周期性上报方式向 FDD unicast小 区的 RNC上报测量结果，再由 FDD unicast小区的 RNC根据该测量结果决定 是否进行切换。
本实施例中的 MBSFN类小区的测量方法，当由 MBSFN 1MB小区向 FDD unicast小区切换时，还可以由 MBSFN 1MB小区的 RNC来下发测量控制消息。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流 程， 可以通过计算机程序来指示相关的硬件来完成， 所述的程序可存储于计 算机可读取存储介质中， 该程序在执行时， 可包括如上述各方法的实施例的 流程。 其中， 所述的存储介质可为磁碟、 光盘、 只读存储记忆体（Read-Only Memory, ROM )或随机存储记忆体 ( Random Acces s Memory, RAM )等。
除此之外，如图 8所示，本发明实施例还提供了一种进行 MBSFN类小区 测量的装置， 包括：
接收单元 801， 用于接收网络设备下发的测量控制信息；
其中接收单元 801 接收网络设备下发的测量控制信息可以为接收非 MBSFN类小区的无线网络控制器（RNC )下发的测量控制信息， 或者可以为 接收 MBSFN类小区的 RNC下发的测量控制信息。 具体而言， 如图 9所示， 所述接收单元 801还包括：
第一接收模块 8011， 用于接收非 MBSFN类小区的无线网络控制器下发 的测量控制信息。 对于具有双接收天线的 UE而言， 第一接收模块 8011为其 中一个用于接收非 MBSFN类小区业务流的天线装置。
第二接收模块 8012， 用于接收 MBSFN类小区的无线网络控制器下发的 测量控制信息。 对于具有双接收天线的 UE而言， 该第二接收模块 8012为另 一个用于接收 MBSFN类小区业务流的天线装置。
但并不局限于此， 在其他实施例中所述接收单元也可以仅包括所述第一 接收模块， 或仅包括所述第二接收模块。
本实施例中所述网络设备包括 MBSFN类小区的 RNC、 和非 MBSFN类 小区的 RNC或者 MBSFN类小区和非 MBSFN类小区共有的 RNC。
测量单元 802， 用于根据所述测量控制信息中携带的测量内容对 MBSFN 类小区进行测量。
其中， 所述携带的测量内容包括 MBSFN类小区的频率列表、 被测信道、 被测参数、支持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组 合。
从图 9可知， 所述装置还包括上报单元 803。
上报单元 803， 用于按照所述测量信息中携带的上报准则， 向网络设备上 报测量信息。
一般在 MBSFN 类小区中可以使用 MBMS 方式传输业务流。 在一些非 MBSFN类小区中也可以使用 MBMS方式传输业务流，而在另一些非 MBSFN 类小区中则只能使用非 MBMS方式， 如 PTP (点到点）方式传输业务流。 此 外， MBMS方式还分为两种传输方式， 一种是广播模式， 另一种是组播模式。 这样， 使用 MBMS的广播模式时， 不需要向网络设备上报测量信息。 但使用 MBMS的组播模式时或非 MBMS方式时， 则需要向网络设备上报测量信息。
当存在非 MBSFN类小区时， 可以向非 MBSFN类小区的 RNC上报测量 信息， 该测量信息为切换请求或测量结果。 当上报测量结果时， 该测量结果 包括上述被测参数中的全部或部分被测参数， 如接收信号码功率 RSCP， 信噪 比 Ec/N0， UE的緩存等。
另外， 该测量结果或切换请求中还可以包括是否上报业务指示信息， 所 述业务指示信息为业务标识或无线承载标识。 其中业务标识如 TMGI等可以 指示 UE正在接收的业务流， 而无线承载标识（RB ID， Radio Bearer identity ) 指的是非 MBSFN小区， 如 FDD unicast小区的 RNC在业务承载建立过程中 为 UE当前所建立的业务分配的标识， 在 UE离开该 FDD unicast小区之后， 还需要请求 FDD unicast小区的 RNC释放该无线承载从而释放 UE在该小区 接入的业务。 该无线承载标识也可以起到业务标识的作用。 通过上报的业务 标识或无线承载标识， 则可以确定相邻小区是否能够提供和当前小区正在进 行的业务有相同的业务。
需要说明的是， 所述上报准则可以包括周期性上报、 触发事件发生时上 报等。其中触发事件可以包括，第一事件：正在非 MBSFN类小区接收业务流， 且该正在接收的业务流与 MBSFN 类小区提供的一种业务流相同， 并且对 MBSFN 类小区的测量结果在一段持续时间内满足预先设定的门限值； 和 /或 第二事件： 正在 MBSFN类小区接收业务流， 且对 MBSFN类小区的测量结果 在一段持续时间内满足预先设定的门限值。通常在 UE由非 MBSFN类小区向 MBSFN类小区切换时， 会触发第一事件； 而当 UE 由 MBSFN类小区向非 MBSFN类小区切换时， 会触发第二事件。
本实施例中，该进行 MBSFN类小区测量的装置例如可以用于执行如附图 1、 附图 3以及附图 5至 7所示的实施例提供的 MBSFN类小区的测量方法。 本发明实施例提供的进行 MBSFN类小区测量的装置，通过由网络设备下 发测量控制信息， 并在所述测量控制信息中携带测量内容， 从而实现了对 MBSFN类小区的测量， 因此较好地保证了在小区切换时用户设备接入业务的 连续性， 提升用户体验和满意度。 同时， 由于切换过程对业务的保障， 可以 只在热点区域提供成本较高的布网， 如 MBSFN 1MB布网， 节约了网络的运 营成本。
进一步地， 如图 10所示， 本发明实施例还提供了另一种进行 MBSFN类 小区测量的装置， 包括：
确定单元 1001， 确定在测量控制信息中携带的测量内容；
所述测量内容包括 MBSFN类小区的频率列表、被测信道、被测参数、 支 持服务连续性的相邻非 MBSFN类小区列表中的一种或其任意组合。
发送单元 1002， 用于向用户设备发送测量控制信息， 以便用户设备根据 所述测量控制信息中携带的测量内容对 MBSFN类小区进行测量。
具体而言，向 UE发送测量控制消息时，可以由非 MBSFN类小区的 RNC 发送，或者可以由 MBSFN类小区的 RNC发送。当由非 MBSFN类小区的 RNC 发送时， 可以由非 MBSFN类小区的 RNC通过无线资源控制 RRC信令发送， 或者可以由非 MBSFN类小区的 RNC通过系统广播消息发送。
这样，发送单元 1002可以包括非 MBSFN类小区的 RNC和 MBSFN类小 区的 RNC， 或者可以仅包括非 MBSFN类小区的 RNC， 或仅包括 MBSFN类 小区的 RNC。
此外如图 11所示， 所述装置还包括：
接收单元 1003， 用于接收由用户设备按照所述测量控制信息中携带的上 报准则上报的测量信息；
当使用 MBMS的组播模式或非 MBMS方式传输业务流时， 则需要接收 由用户设备上报的测量信息。本实施例中所述网络设备包括 MBSFN类小区的 RNC、 和非 MBSFN类小区的 RNC或者 MBSFN类小区和非 MBSFN类小区 共有的 RNC， 因此可以由 RNC接收上 的测量信息。 其中当存在非 MBSFN 类小区时， 一般可以向非 MBSFN类小区的 RNC上报测量信息。
该测量信息为切换请求或测量结果。 当上报测量结果时， 该测量结果包 括上述被测参数中的全部或部分被测参数， 如接收信号码功率 RSCP， 信噪比 Ec/NO, UE 的緩存等。 另外， 该测量结果或切换请求中还可以包括是否上报 业务指示信息， 所述业务指示信息为业务标识或无线承载标识。
解析单元 1004， 用于解析所述测量信息；
具体而言， 网络设备可以判断 UE上报的测量信息是否是针对其本身的。 如果是针对其本身的， 则网络设备的解析单元 1004对该测量信息进行解析， 并根据解析结果进行后续处理。 这类测量信息包括测量结果、 由 RRC信令携 带的承载释放请求等。
转发单元 1005， 用于向核心网转发所述测量信息。
如上所述， 如果不是针对其本身的， 则网络设备的转发单元 1005向核心 网转发该测量信息。这类测量信息包括 NAS信令携带的业务释放请求 /业务建 立请求等。
但并不局限于此， 在其他实施例中， 本实施例中所述装置也可以仅包括 所述解析单元， 或者仅包括所述转发单元。
本实施例中，该进行 MBSFN类小区测量的装置例如可以用于执行如附图 2、 附图 4以及附图 5至 7所示的实施例提供的 MBSFN类小区的测量方法。
本发明实施例提供的进行 MBSFN类小区测量的装置，通过由网络设备下 发测量控制信息， 并在所述测量控制信息中携带测量内容， 从而实现了对 MBSFN类小区的测量， 因此较好地保证了在小区切换时用户设备接入业务的 连续性， 提升用户体验和满意度。 同时， 由于切换过程对业务的保障， 可以 只在热点区域提供成本较高的布网， 如 MBSFN 1MB布网， 节约了网络的运 营成本。
如图 12所示， 本发明实施例还提供了一种进行 MBSFN类小区测量的系 统， 所述系统包括： 网络设备 1201， 用于向用户设备发送测量控制信息， 以便用户设备根据 所述测量控制信息中携带的测量内容对 MBSFN类小区进行测量；
用户设备 1202， 用于接收网络设备下发的测量控制信息， 并根据所述测 量控制信息中携带的测量内容对 MBSFN类小区进行测量。
本发明实施例提供的进行 MBSFN类小区测量的系统，通过由网络设备下 发测量控制信息， 并在所述测量控制信息中携带测量内容， 从而实现了对 MBSFN类小区的测量， 因此较好地保证了在小区切换时用户设备接入业务的 连续性， 提升用户体验和满意度。 同时， 由于切换过程对业务的保障， 可以 只在热点区域提供成本较高的布网， 如 MBSFN 1MB布网， 节约了网络的运 营成本。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以权利要求所述的保护范围为准。

Claims

权利要求 书
1、 一种对广播 /组播单频网络 MBSFN类小区测量的方法， 其特征在于， 包 括：
接收网络设备下发的测量控制信息， 所述测量控制信息包括测量内容； 根据所述测量控制信息中携带的测量内容对广播 /组播单频网络 MBSFN类 小区进行测量；
其中所述测量内容包括 MBSFN类小区的频率列表、被测信道， 以及被测参 数中的至少一个。
2、 根据权利要求 1所述的方法， 其特征在于，
所述测量控制信息还携带有上报准则；
在根据所述测量控制信息中携带的测量内容对 MBSFN 类小区进行测量之 后， 所述方法还包括：
按照所述上报准则向所述网络设备上报测量信息。
3、 根据权利要求 2所述的方法， 其特征在于， 所述上报准则包括触发事件 发生时向网络设备上报测量信息， 其中所述触发事件包括：
第一事件： 用户设备正在非 MBSFN类小区接收业务流，且所述正在接收的 业务流与 MBSFN 类小区提供的业务流相同， 并且对 MBSFN类小区的测量结 果在一段持续时间内满足预先设定的门限值； 和 /或
第二事件： 用户设备正在 MBSFN类小区接收业务流， 且对 MBSFN类小区 的测量结果在一段持续时间内满足预先设定的门限值。
4、 根据权利要求 3所述的方法， 其特征在于， 所述对 MBSFN类小区的测 量结果在一段持续时间内满足预先设定的门限值， 包括：
预先设定一个门限值，所述对 MBSFN类小区的测量结果在一段持续时间内 超过或低于所述预先设定的门限值； 或，
预先设定两个门限值，所述对 MBSFN类小区的测量结果在一段持续时间内 在所述预先设定的两个门限值之间。
5、 根据权利要求 2或 3或 4所述的方法， 其特征在于， 所述向网络设备上 报测量信息包括： 向非 MBSFN类小区的无线网络控制器 RNC上报测量信息， 所述测量信息为切换请求或测量结果。
6、 根据权利要求 5所述的方法， 其特征在于，
所述切换请求或测量结果包括： 业务标识和 /或无线承载标识；
所述方法还包括：
向所述非 MBSFN特性小区的无线网络控制器 RNC上报所述业务标识和 / 或无线承载标识， 以使得所述 RNC确定所述 MBSFN类小区能够提供和当前小 区正在进行的业务相同的业务。
7、 根据权利要求 1至 3任一项所述的方法， 其特征在于， 所述网络设备为 非 MBSFN类小区的 RNC;
所述接收网络设备下发的测量控制信息， 包括：
接收非 MBSFN类小区的 RNC通过无线资源控制 R C信令下发的测量控 制信息； 或
接收非 MBSFN类小区的 RNC通过系统广播消息下发的测量控制信息。
8、 一种对 MBSFN类小区测量的方法， 其特征在于， 包括：
确定在测量控制信息中携带的测量内容，所述测量内容包括 MBSFN类小区 的频率列表、 被测信道， 以及被测参数中的至少一个；
向用户设备发送所述测量控制信息， 以便所述用户设备根据所述测量内容 对 MBSFN类小区进行测量。
9、 根据权利要求 8所述的方法， 其特征在于，
所述测量控制信息还携带有上报准则；
在所述向用户设备发送测量控制信息之后， 所述方法还包括：
接收由所述用户设备按照所述上报准则上报的测量信息；
解析所述测量信息或向核心网转发所述测量信息。
10、 根据权利要求 9 所述的方法， 其特征在于， 所述接收由用户设备按照 所述上报准则上报的测量信息， 包括：
非 MBSFN类小区的无线网络控制器 RNC接收由用户设备按照所述上报准 则上报的测量信息， 所述测量信息为切换请求或测量结果。
11、 根据权利要求 10所述的方法， 其特征在于，
所述切换请求或测量结果中包括： 业务标识和 /或无线承载标识；
所述方法还包括：
确定所述 MBSFN类小区能够提供和当前小区正在进行的业务相同的业务。
12、 根据权利要求 8至 11中任一项所述的方法， 其特征在于， 所述向用户 设备发送所述测量控制信息， 包括：
非 MBSFN类小区的 RNC通过 R C信令向用户设备发送所述测量控制信 息； 或
非 MBSFN类小区的 RNC通过系统广播消息向用户设备发送所述测量控制 信息。
13、 一种对 MBSFN类小区测量的装置， 其特征在于， 包括：
接收单元， 用于接收网络设备下发的测量控制信息， 所述测量控制信息包 括测量内容；
测量单元， 用于根据所述接收单元接收的测量控制信息中携带的测量内容 对 MBSFN类小区进行测量；
其中所述测量内容包括 MBSFN类小区的频率列表、被测信道， 以及被测参 数中的至少一个。
14、 根据权利要求 13所述的装置， 其特征在于，
所述测量控制信息携带有上报准则；
所述装置还包括：
上报单元， 用于按照所述上报准则向所述网络设备上报测量信息。
15、 根据权利要求 13或 14所述的装置， 其特征在于， 所述网络设备包括 非 MBSFN类小区的 RNC和 /或 MBSFN类小区的 RNC， 所述接收单元包括： 第一接收模块， 用于接收非 MBSFN类小区的 RNC下发的测量控制信息； 和 /或
第二接收模块， 用于接收 MBSFN类小区的 RNC下发的测量控制信息。
16、 一种对 MBSFN类小区测量的装置， 其特征在于， 包括： 确定单元， 用于确定在测量控制信息中携带的测量内容， 所述测量内容包 括 MBSFN类小区的频率列表、 被测信道， 以及被测参数中的至少一个；
发送单元， 用于向用户设备发送所述测量控制信息， 以便所述用户设备根 据所述测量内容对 MBSFN类小区进行测量。
17、 根据权利要求 16所述的装置， 其特征在于， 所述测量控制信息携带有 上报准则， 所述装置还包括：
接收单元， 用于接收由所述用户设备按照所述上报准则上报的测量信息， 以及
解析单元， 用于解析所述测量信息； 和 /或，
接收单元， 用于接收由所述用户设备按照所述上报准则上报的测量信息， 以及
转发单元， 用于向核心网转发所述测量信息。
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