WO2014108023A1 - 多点协作传输方法及设备 - Google Patents

多点协作传输方法及设备 Download PDF

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Publication number
WO2014108023A1
WO2014108023A1 PCT/CN2013/090179 CN2013090179W WO2014108023A1 WO 2014108023 A1 WO2014108023 A1 WO 2014108023A1 CN 2013090179 W CN2013090179 W CN 2013090179W WO 2014108023 A1 WO2014108023 A1 WO 2014108023A1
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WIPO (PCT)
Prior art keywords
comp
measurement
serving cell
measurement set
csi
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PCT/CN2013/090179
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English (en)
French (fr)
Inventor
赵亚利
付喆
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Priority to US14/759,412 priority Critical patent/US9722678B2/en
Priority to EP13871033.0A priority patent/EP2945417B1/en
Publication of WO2014108023A1 publication Critical patent/WO2014108023A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a multipoint coordinated transmission method and device. Background of the invention
  • the network architecture of the e-UTRAN is shown in Figure 1, MME (Mobility Management Entity) and eNB (evolved NodeB, evolved base station).
  • the eNB is connected to the S1-MME interface.
  • the eNB completes the access network function and communicates with the UE (User Equipment) through the air interface.
  • UE User Equipment
  • the S1-MME interface provides control plane services for the UE, including mobility management and bearer management functions.
  • An S-GW (Serving Gateway) is connected to the eNB by using an S1-U interface.
  • the S-GW For each UE attached to the network, there is an S-GW serving the service.
  • the S-GW is called a UE service.
  • S-GW The S1-U interface provides a user plane service for the UE, and the user plane data of the UE is transmitted between the S-GW and the eNB through a Sl-U GTP (General Packet Radio Service (GPRS) tunneling protocol).
  • GPRS General Packet Radio Service
  • Micro eNB Traditional macro base station
  • Traditional macro base station (Macro eNB) single-layer overlay networks have been unable to meet the growing demand for data traffic rates and capacity. Therefore, the way of hierarchical networking is introduced to solve This problem should be solved by providing low-power base stations in small coverage environments such as hotspots, home indoor environments, and office environments (hereinafter referred to as Local eNB, ie, local base stations, including Femto/Pico/Relay), providing small coverage. (Small cell, also called small cell), to obtain the effect of cell splitting, enabling operators to provide users with higher data rates and higher cost services.
  • Small eNB small coverage environments
  • Femto/Pico/Relay Femto/Pico/Relay
  • the layered heterogeneous network structure including the Local eNB and the Macro eNB is as shown in FIG. 2, where the Macro eNB provides basic coverage, the Local eNB provides hotspot coverage (ie, small cell), and data/signaling exists between the small cell and the Macro cell. Interface (wired/wireless interface).
  • the UE connected to the Local eNB can often obtain better quality of service, such as: obtaining a higher service rate and a higher quality link. Therefore, when the UE connected to the Macro eNB is close to the cell controlled by the Local eNB, it can switch to the small cell under the Local eNB; when the UE is away from the small cell under the Local eNB, it needs to switch to the cell controlled by the Macro eNB to maintain the wireless. connection.
  • a bearer-separated network deployment mode is introduced, that is, the RRC (Radio Resource Connection) connection of the UE is only maintained in the Macro eNB, and the data bearer can be transferred to the Local in whole or in part.
  • the eNB transmits.
  • Figure 3 shows a network architecture with separate bearers.
  • the SRB (Signaling Radio Bearer) of the UE is maintained in the Macro eNB, all or part of the DRB (Data Radio Bearer). Transfer to Local eNB transmission.
  • the dotted line interface in the figure exists only when the DRB is partially separated.
  • Figure 4 shows another network architecture with separate bearers. Under this network architecture, the DRB can be transferred to the Local eNB in whole or in part.
  • a CoMP Coordinatd Multiple Points Transmission/Reception
  • CoMP refers to multiple transmission points separated geographically, cooperatively participating in data transmission of one UE or jointly receiving data sent by one UE.
  • multiple transmission points are base stations of different cells, or multiple RRHs (remote radio heads) controlled by the same base station.
  • RRHs remote radio heads
  • CoMP serving cell Send CoMP-related PDCCH
  • the UE performs a CSI-RS (Channel State Reference Signal-Reference Signal)-based RSRP in the set.
  • CSI-RS Channel State Reference Signal-Reference Signal
  • CoMP serving cell is based on the RSRP and/or RSRQ measurement results.
  • CoMP measurement set management including determining CoMP measurement set, in CoMP measurement set Add a Point or delete a Point.
  • CoMP measurement set Determined according to the measurement result of the CoMP resource management set, or determined by the RRM (Radio Resource Management) measurement result of the mobility measurement, even for TDD (Time Division Duplexing, time division)
  • the duplex system can also be considered based on SRS (Sounding Reference Signal), which is determined by channel dissimilarity.
  • the UE performs CSI measurement in the CoMP measurement set, and reports the CSI measurement result to the CoMP serving cell for determining the CoMP cooperating set and the CoMP transmission Point 0.
  • CoMP cooperating set A set of Points that directly/indirectly participate in data transmission/reception. It can be transparent or opaque to the UE. According to the CSI measurement result of the CoMP measurement set, for the TDD system, channel heterogeneity can also be utilized, which is determined according to the SRS.
  • - CoMP transmission points A point or set of points within the CoMP cooperating set that are directly involved in sending data to the UE. According to the CSI reported by the CoMP measurement set or for the TDD system, the channel mutual identity is used to determine.
  • One or a set of points of UE data. Can be determined according to SRS.
  • CoMP is divided into DL CoMP (ie, Down CoMP) and UL CoMP (ie Upstream CoMP) depending on the transmission direction. The following are introduced separately:
  • the UE receives PDCCH scheduling information only from one transmission point, but can simultaneously receive data from one or more transmission points.
  • Downstream CoMP is divided into two categories: JP (Joint Processing, Joint Processing) and CS/CB (Coordinated Scheduling/Beam forming).
  • JP is further divided into JT (Joint Transmission) and DPS (Dynamic Point Selection/Muting).
  • JT or CoMP cooperating set All or part of the nodes send data to one or more UEs at the same time; DPS means that only one node is selected for the UE to transmit data at any time within the CoMP cooperating set.
  • the selected transit node can change over time.
  • JT and DPS can also be used in combination.
  • the CS/CB is characterized in that only one node in the CoMP cooperating set has the service data of the UE and only the node sends data to the UE, but other nodes feed back the scheduling or beamforming information to the transmitting node.
  • CoMP cooperating set nodes can coordinate the transmission of time-frequency resources to minimize interference. JP and CS/CB can also be used in combination.
  • the UE receives the PDCCH from a transmission point, but the PUSCH (Physical Uplink Shared Channel) transmission can be simultaneously received by one or more transmission nodes.
  • UL CoMP is divided into two categories: JR (Joint Reception) and CS/CB (Coordinated Scheduling/Beam forming).
  • JR Joint Reception
  • CS/CB Coordinatd Scheduling/Beam forming
  • the PUSCH sent by the JR or UE can be received by all or part of the points in the CoMP cooperating set at the same time, which can improve the received signal quality.
  • CS/CB is similar to downlink CS/CB, that is, the coordinated coordination of nodes within the CoMP cooperating set.
  • the delay between the Macro cell and the small cell participating in the bearer separation may be large.
  • the CoMP between the Macro cell and the small cell participating in the bearer separation may have limited gain, but it is separated from the participating bearers.
  • the small cell has overlapping coverage and the possible delay between the other cells and the small cell.
  • the CoMP gain is large. Therefore, it is necessary to consider the small cell and CoMP between these cells to improve system performance.
  • the RRC function of the UE may be completely located in the Macro cell. All measurement configurations and measurement result reception are performed through RRC signaling. Therefore, only the Macro cell can perform measurement configuration and measurement result reception, and even CSI information may be fed back only in the Macro cell. Therefore, if CoMP is considered between the small cell and other cells in the overlapping coverage area (the Macro cell where the non-UE RRC connection is located), the problem of measurement result acquisition on the small cell must be solved.
  • the embodiments of the present invention provide a multipoint coordinated transmission method and device, which are used to implement CoMP by a CoMP auxiliary node to assist a cell participating in CoMP.
  • the multi-point cooperative transmission method provided by the embodiment of the present invention includes: the CoMP serving cell receives the auxiliary information sent by the CoMP auxiliary node through the inter-cell interface, and the auxiliary information is used to assist the CoMP serving cell to perform CoMP decision.
  • a multi-point cooperative transmission method includes: a CoMP auxiliary node sends auxiliary information to a CoMP serving cell through an inter-cell interface, where the auxiliary information is used to assist the serving cell to perform coordinated multi-point CoMP transmission. .
  • a network device includes: a receiving module, configured to receive auxiliary information sent by a CoMP auxiliary node through an inter-cell interface, where the auxiliary information is used to assist the device to perform CoMP decision.
  • Another network device provided by the embodiment of the present invention includes: a sending module, configured to send, by using a small-area interface, auxiliary information to a CoMP serving cell, where the auxiliary information is used to assist the serving cell to perform coordinated multi-point CoMP decision.
  • a further network device provided by the embodiment of the present invention includes: a receiving module, configured to receive the coordinated information transmitted by the CoMP auxiliary node through the inter-cell interface, where the auxiliary information is used to assist the device to perform CoMP decision.
  • Another network device provided by the embodiment of the present invention includes: a second transceiver, configured to pass The inter-cell interface is used to send auxiliary information to the coordinated multi-point CoMP serving cell, where the auxiliary information is used to assist the CoMP serving cell to perform CoMP decision.
  • the auxiliary information is transmitted to the CoMP serving cell through the CoMP auxiliary node, thereby assisting the CoMP serving cell to perform CoMP decision.
  • FIG. 1 is a schematic diagram of an e-UTRAN network architecture in the prior art
  • FIG. 2 is a schematic diagram of a hierarchical network deployment scenario in the prior art
  • FIG. 3 is a schematic diagram of a control plane and user plane separation architecture in the prior art
  • FIG. 4 is a schematic diagram of another control plane and user plane separation architecture in the prior art
  • FIG. 5 is a schematic diagram of a CoMP provided by an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a CoMP process according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a CoMP process according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of a CoMP process according to Embodiment 3 of the present invention.
  • FIG. 9 is a schematic diagram of a CoMP process according to Embodiment 4 of the present invention.
  • FIG. 10 is a schematic diagram of a CoMP process according to Embodiment 5 of the present invention.
  • FIG. 11 is a schematic structural diagram of a network device 1 according to an embodiment of the present disclosure.
  • 12A, 12B, and 12C are schematic structural diagrams of a network device 2 according to another embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a network device 3 according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a network device 4 according to an embodiment of the present invention. Mode for carrying out the invention
  • the embodiment of the present invention provides a CoMP auxiliary node to assist other CoMP-enabled cells to implement CoMP, that is, the CoMP auxiliary node provides auxiliary information to the CoMP-enabled cells through the interface between the cells to assist the CoMP cell implementation.
  • CoMP the CoMP auxiliary node herein refers to a node having all or part of CoMP-related measurement information configuration and/or reception capability.
  • the CoMP related measurement information includes, but is not limited to, CSI-RS based RSRP/RSRQ measurements, and/or CRS based RSRP/RSRQ measurements, and/or CSI-RS based CSI measurements.
  • the following embodiment of the present invention takes a CoMP auxiliary node as a macro cell as an example.
  • the CoMP auxiliary node is recorded as a Marco cell, and the Marco cell has some or all CoMP related measurement information configuration and/or receiving capability, and the CoMP participating nodes are recorded as cell_l and cell_2, where cell_l is a CoMP serving cell; cell_2 is A cell that has an overlapping area with cell_l and needs to perform CoMP transmission with cell_l.
  • the overall process of the embodiment of the present invention may be as shown in FIG. 5, including:
  • Step 1 A CoMP auxiliary node (such as a macro base station) sends auxiliary information for performing CoMP decision to the CoMP serving cell through an inter-cell interface;
  • Step 2 The CoMP serving cell performs CoMP decision for the UE according to the auxiliary information.
  • Step 3 The CoMP serving cell exchanges CoMP information with other cells participating in the CoMP according to the result of the CoMP decision.
  • Step 4 CoMP transmission is performed between the cell participating in the CoMP and the UE.
  • the macro cell sends the RSRP or / and RSRQ (hereinafter referred to as RSRP/RSRQ) measurement reported by the UE to the cell_1 as the CoMP serving cell as the auxiliary information of the CoMP decision to assist the cell_l to determine the CoMP measurement set. Further, the macro cell may also send the CSI measurement result in the CoMP measurement set of the UE as the auxiliary information of the CoMP decision to the cell_l, to assist the cell_l to determine the CoMP cooperating set, the CoMP algorithm, and the CoMP transmission point and the CoMP reception point.
  • the auxiliary cell_l and other cells implement CoMP.
  • FIG. 6 a schematic diagram of a CoMP process provided in Embodiment 1, as shown in the figure, the process may include:
  • Step 1 Determine the functional division between the cells aggregated by the UE.
  • the macro cell selects other cells that the UE can aggregate, such as cell_l, according to the UE service status, the UE location, or the measurement result of the UE, and limits some functions (such as measurement configuration and measurement result receiving function) to only Maintained by Marco cell.
  • Step 2 The Macro cell performs measurement configuration on the UE.
  • the UE may be configured to perform RSRP measurement based on CRS (Common Reference Signal) or CSI-RS.
  • the UE may also be configured to perform RSRQ measurement based on CRS or CSI-RS.
  • the UE may also be configured to perform CRS-based or CSI-based.
  • Step 3 When the measurement reporting condition is met, the UE reports the RSRP/RSRQ to the Macro cell. The measurement result and the cell identifier corresponding to the RSRP/RSRQ measurement result.
  • Step 4 The macro cell forwards the RSRP/RSRQ measurement result reported by the UE and the cell identifier corresponding to the RSRP/RSRQ measurement result to the cell through the interface between the macro cell and the cell_1.
  • the Macro cell can forward all RSRP/RSRQ measurements. If all the measurements are forwarded, the cell frequency information may also be carried. The macro cell may also choose to forward only the measurement results of the cell of the same frequency as the cell (here, cell_l) that is to receive the RSRP/RSRQ measurement result.
  • Step 5 cell_l determines whether CoMP is enabled based on the RSRP/RSRQ measurement result. If it is determined that CoMP is enabled, the CoMP measurement set needs to be determined. There are several principles for determining the CoMP measurement set. For example, according to the CoMP measurement set size limit, select the cell with the largest RSRP or RSRQ. Further, after cell_l determines the CoMP measurement set, it also needs to determine the CSI-RS configuration for CSI measurement in the CoMP measurement set.
  • Step 6 cell_l sends the CoMP measurement set and the CSI-RS configuration information used for CSI measurement in the CoMP measurement set to the Macro celL.
  • Step 7 Macro Cell Configuration The UE performs CSI measurement based on the CSI-RS.
  • Steps 8a-8b When the measurement reporting condition is met, the UE reports the CSI measurement result in the CoMP measurement set to the macro cell, and the macro cell forwards the CSI measurement result to cell_l.
  • Step 9 Cell_l determines the CoMP cooperating set and the CoMP algorithm according to the CSI measurement result in the CoMP measurement set, and selects the CoMP transmission point and the CoMP reception point according to the CoMP algorithm and the CSI measurement result.
  • Step 10 Cell_l interacts with other CoMP-enabled cells, such as Cell_2, to exchange CoMP information and perform CoMP transmission.
  • the information exchanged between cell_l and cell_2 is related to a specific CoMP algorithm. Further, for a small cell participating in CoMP, if it belongs to a different base station node, it is necessary to introduce inter-base station interaction.
  • the CoMP information that cell_l, which is a CoMP serving cell, may interact with other cells participating in CoMP is as follows:
  • the interactive CoMP information includes at least one of the following:
  • CoMP serving cell indicates to other transmission points in the CoMP cooperating set
  • PDSCH Physical Downlink Shared Channel
  • the interactive CoMP information includes at least one of the following:
  • the interactive CoMP information includes at least one of the following: the time-frequency resource information of the PUSCH received by the CoMP serving cell to the CoMP reception points;
  • CoMP reception points the received bit information fed back to the CoMP serving cell for receiving the merge
  • the interactive CoMP information includes at least one of the following:
  • the time-frequency resource coordination information on each cell in which the CoMP serving cell interacts with other cells participating in the CoMP in the CoMP cooperating set is referred to.
  • cell_l may also only determine a CoMP measurement set, and the CSI-RS measurement configuration information may be determined by a macro cell. If this is done, only the CoMP measurement set related information needs to be transmitted in step 6.
  • the UE may also send the CSI measurement result to cell_l instead of being forwarded by the macro cell.
  • the cell_1 may configure the UE to perform CSI measurement based on the CSI-RS.
  • cell_l can also adjust the CoMP measurement set according to the RSRP and/or RSRQ measurement results, and the flow is similar to the above process, and will not be described in detail herein.
  • Embodiment 2
  • the macro cell sends the RSRP/RSRQ measurement result reported by the UE to the cell_1 as the CoMP serving cell as the auxiliary information of the CoMP decision, to assist the cell_1 to determine the CoMP measurement set.
  • the cell_l further sends the time-frequency resource information of the received SRS to the transmission point in the CoMP measurement set, and determines the CoMP cooperating set, the CoMP algorithm, and the CoMP transmission point and the CoMP reception point according to the SRS detection result sent by the transmission point. So that cell_l and other cells implement CoMP.
  • FIG. 7 a schematic diagram of a CoMP process provided in Embodiment 2, as shown in the figure, the process may include:
  • Step 1 Determine the functional division between the cells aggregated by the UE.
  • the macro cell selects other cells that the UE can aggregate, such as Cell_1, according to the UE service status, the UE location, or the measurement result of the UE, and limits some functions (such as measurement configuration and measurement result receiving function) to only Maintained by Marco cell.
  • Step 2 Macro cell configuration
  • the UE performs RSRP/RSRQ measurements.
  • the specific implementation of this step is the same as step 2 in Figure 6.
  • Step 3 When the measurement reporting condition is met, the UE reports the RSRP/RSRQ measurement result and the cell identifier corresponding to the RSRP/RSRQ measurement result to the macro cell.
  • Step 4 The macro cell forwards the RSRP/RSRQ measurement result reported by the UE and the cell ID corresponding to the RSRP/RSRQ measurement result to cell_l through the interface between the macro cell and the cell_l.
  • the Macro cell can forward all RSRP/RSRQ measurements. If all the measurements are forwarded, the cell frequency information may also be carried. The macro cell may also choose to forward only the measurement results of the cell of the same frequency as the cell (here, cell_l) that is to receive the RSRP/RSRQ measurement result.
  • Step 5 cell_l determines whether CoMP is enabled based on the RSRP/RSRQ measurement results. If it is determined that CoMP is enabled, the CoMP measurement set needs to be determined.
  • Step 6 cell_l notifies other transmission points (such as cell_2) in the CoMP measurement set to receive the time-frequency resource location of the SRS.
  • Step 7 The UE sends an SRS signal, and the transmission points (such as cell_l and cell_2) in the CoMP measurement set receive the SRS signal.
  • Step 8 After receiving the SRS signal, the other transmission points in the CoMP measurement set feed back the SRS signal reception status to the cell_1 as the CoMP serving cell.
  • Step 9 Cell_l uses channel anisotropy to estimate the CSI measurement result in the CoMP measurement set according to the SRS signal, and then determines the CoMP cooperating set, CoMP algorithm according to the estimated CSI measurement result in the CoMP measurement set, and according to The CoMP algorithm and the CSI measurement result select the CoMP transmission point and the CoMP reception point.
  • Step 10 Cell_l interacts with other cells participating in CoMP, such as cell_2, to exchange CoMP information and perform CoMP transmission.
  • the information of the interaction between the cell_1 and other cells participating in the CoMP is related to the CoMP algorithm, and the corresponding description in the first embodiment is implemented.
  • cell_l can also adjust the CoMP measurement set according to the RSRP/RSRQ measurement result, and the flow is similar to the above process, and will not be described in detail herein.
  • Embodiment 3
  • the present embodiment describes that the Macro cell determines the CSI-RS configuration for performing CSI measurement in the CoMP measurement set and the CoMP measurement set according to the RSRP/RSRQ measurement result reported by the UE, and sends the CoMP measurement set to the cell_l, and reports the CSI reported by the UE.
  • the measurement result is sent to cell_l, so that cell_l determines CoMP cooperating set, CoMP algorithm, and CoMP transmission point and CoMP reception point, so that cell_l and other cells implement CoMP.
  • FIG. 8 a schematic diagram of a CoMP process provided in Embodiment 3, as shown in the figure, the process may include:
  • Step 1 Determine the functional division between the cells aggregated by the UE.
  • the macro cell selects other cells that the UE can aggregate, such as Cell_1, according to the UE service status, the UE location, or the measurement result of the UE, and limits some functions (such as measurement configuration and measurement result receiving function) to only Maintained by Marco cell.
  • Step 2 Macro cell configuration
  • the UE performs RSRP/RSRQ measurements.
  • the specific implementation of this step is the same as step 2 in Figure 6.
  • Step 3 When the measurement reporting condition is met, the UE reports the RSRP/RSRQ measurement result and the cell identifier corresponding to the RSRP/RSRQ measurement result to the Macro cell.
  • Step 4 The Macro cell determines whether CoMP is enabled according to the RSRP/RSRQ measurement result. If CoMP is enabled, the CoMP measurement set is determined according to factors such as RSRP/RSRQ measurement result and CoMP measurement set size limit.
  • Step 5 The Macro cell determines the CSI-RS configuration for CSI measurement within the CoMP measurement set.
  • Step 6 The Macro cell notifies the cell_l of the CoMP measurement set.
  • Step 7 Macro cell configuration The UE performs CSI measurement based on the CSI-RS.
  • Steps 8a-8b When the measurement reporting condition is met, the UE reports the CSI measurement result in the CoMP measurement set to the macro cell, and the macro cell forwards the CSI measurement result to the cell.
  • Step 9 Cell_l determines the CoMP cooperating set and the CoMP algorithm according to the CSI measurement result of the CoMP measurement set, and selects the CoMP transmission point and the CoMP reception point according to the CoMP algorithm and the CSI measurement result.
  • Step 10 Cell_l interacts with other CoMP-enabled cells, such as Cell_2, to exchange CoMP information and perform CoMP transmission.
  • the information of the interaction between the cell_1 and other cells participating in the CoMP is related to the CoMP algorithm, and the corresponding description in the first embodiment is implemented.
  • steps 5, 6, and 7 in the above process do not have strict timing requirements.
  • the cell_1 may configure the UE to perform CSI measurement based on the CSI-RS, without The UE is configured by the Macro cell to perform CSI measurement based on the CSI-RS.
  • the UE may also send the CSI measurement result to cell_l instead of being forwarded by the macro cell.
  • the Macro cell can also adjust the CoMP measurement set according to the RSRP/RSRQ measurement result, and the CoMP measurement set is adjusted, then the Macro cell The adjusted CoMP measurement set needs to be notified to cell_l.
  • the process is similar to the above process, and will not be described in detail here.
  • the Macro cell determines the CoMP measurement set according to the RSRP/RSRQ measurement result reported by the UE, and sends the CoMP measurement set to the cell_1 as the auxiliary information of the CoMP decision, so that the cell_1 is further combined with other ce ii according to the CoMP measurement set.
  • the SRS measurement determines CoMP cooperating set, CoMP algorithm, and CoMP transmission point and CoMP reception point, so that cell_l and other cells implement CoMP.
  • FIG. 9 a schematic diagram of a CoMP process provided in Embodiment 4, as shown in the figure, the process may include:
  • Step 1 Determine the functional division between the cells aggregated by the UE.
  • the macro cell selects other cells that the UE can aggregate, such as Cell_1, according to the UE service status, the UE location, or the measurement result of the UE, and limits some functions (such as measurement configuration and measurement result receiving function) to only Maintained by Marco cell.
  • Step 2 Macro cell configuration
  • the UE performs RSRP/RSRQ measurements.
  • the specific implementation of this step is the same as step 2 in Figure 6.
  • Step 3 When the measurement reporting condition is met, the UE reports the RSRP/RSRQ measurement result and the cell identifier corresponding to the RSRP/RSRQ measurement result to the macro cell.
  • Step 4 The Macro cell determines whether CoMP is enabled based on the RSRP/RSRQ measurement result. If CoMP is enabled, the CoMP measurement set is determined according to factors such as RSRP/RSRQ measurement result and CoMP measurement set size limit.
  • Step 5 The Macro cell notifies the determined CoMP measurement set to cell_l.
  • Step 6 cell_l notifies other transmission points in the CoMP measurement set to receive SRS. The time-frequency resource location of the signal.
  • Step 7 The transmission points (such as cell_l and cell_2) in the CoMP measurement set receive the SRS signal.
  • Step 8 The other transmission points (such as cell_2) in the CoMP measurement set feed back the SRS signal reception result to the cell_l as the CoMP serving cell.
  • the feedback result includes the transmission point identifier in addition to the SRS signal reception quality.
  • Step 9 Cell_l uses the channel dissimilarity to estimate the CSI measurement result in the CoMP measurement set according to the SRS signal, and then determines the CoMP cooperating set, the CoMP algorithm according to the estimated CSI measurement result of the CoMP measurement set, and according to the CoMP algorithm and the CSI.
  • the measurement results select the CoMP transmission point and the CoMP reception point.
  • Step 10 Cell_l interacts with other cells participating in CoMP, such as cell_2, to exchange CoMP information and perform CoMP transmission.
  • the information of the interaction between the cell_1 and other cells participating in the CoMP is related to the CoMP algorithm, and the corresponding description in the first embodiment is implemented.
  • the Macro cell can also adjust the CoMP measurement set according to the RSRP/RSRQ measurement result. If the CoMP measurement set is adjusted, the Macro cell needs to notify the cell_l of the adjusted CoMP measurement set, and the process is similar to the above process. No longer detailed.
  • Embodiment 5
  • the cell_l determines the CoMP measurement set according to the SRS detection result reported by the other cell, and determines the CoMP cooperating set, the CoMP algorithm, and the CoMP transmission point and the CoMP reception point according to the CSI measurement result reported by the UE forwarded by the Macro cell. So that cell_l and other cells implement CoMP.
  • FIG. 10 a schematic diagram of a CoMP process provided in Embodiment 5, as shown in the figure, the flow The process can include:
  • Step 1 Determine the functional division between the cells aggregated by the UE.
  • the macro cell selects other cells that the UE can aggregate, such as Cell_1, according to the UE service status, the UE location, or the measurement result of the UE, and limits some functions (such as measurement configuration and measurement result receiving function) to only Maintained by Marco cell.
  • Step 2 cell_l notifies the neighboring intra-frequency cell (such as cell_2) to receive the SRS signal. Further, cell_l may notify cell_2 to receive the time-frequency resource location of the SRS.
  • Step 3 ⁇ 4 The UE sends an SRS signal, and the same-frequency cell adjacent to cell_1 receives the SRS, and then returns the received result to cell_l.
  • Step 5 Cell_l determines whether CoMP is enabled according to the SRS detection result received by it and the SRS detection result of other cells of the same frequency and its neighbors. If CoMP is enabled, the CoMP measurement set needs to be determined. Further, after cell_l determines the CoMP measurement set, it also needs to determine the CSI-RS configuration for CSI measurement in the CoMP measurement set.
  • Step 6 cell_l forwards the CoMP measurement set to the macro cell and the CSI-RS configuration information used for CSI measurement in the CoMP measurement set.
  • Step 7 Macro cell configuration The UE performs CSI measurement based on the CSI-RS.
  • Steps 8a-8b When the measurement reporting condition is met, the UE reports the CSI measurement result in the CoMP measurement set to the macro cell, and the macro cell forwards the CSI measurement result to the cell.
  • Step 9 cell_l is determined according to the CSI measurement result in the CoMP measurement set.
  • CoMP cooperating set and CoMP algorithm select CoMP transmission point and CoMP reception point according to CoMP algorithm and CSI measurement results.
  • Step 10 Cell_l interacts with other CoMP-enabled cells, such as cell_2, to exchange CoMP information and perform CoMP transmission.
  • the information of the interaction between the cell_l and the other cells participating in the CoMP is related to the CoMP algorithm, and the corresponding description in the first embodiment is implemented.
  • the UE may also send the CSI measurement result to the cell_l without being forwarded by the Macro cell.
  • cell_l may only determine a CoMP measurement set, and the CSI-RS measurement configuration may be determined by a macro cell. If so, only the CoMP measurement set related information needs to be transmitted in step 6.
  • cell_l can also adjust the CoMP measurement set according to the RSRP/RSRQ measurement result, and the flow is similar to the above process, and will not be described in detail herein.
  • the embodiment of the present invention provides a CoMP scheme, which can ensure that even if the cell participating in the CoMP cannot obtain the RSRP/RSRQ measurement result of the UE, or the CSI measurement result cannot be obtained, the CoMP can still be implemented. Based on the same technical concept, an embodiment of the present invention further provides a network device.
  • FIG. 11 is a schematic structural diagram of a network device 1 according to an embodiment of the present invention.
  • the network device can be used as a transmission point in a local node cluster, and is applied to a coordinated multi-point transmission process to manage a CoMP serving cell of the terminal.
  • the network device may include: a receiving module 10, and may further include a CoMP decision module 11 and a CoMP information interaction module 12.
  • the receiving module 10 is configured to receive auxiliary information sent by the CoMP auxiliary node through the inter-cell interface, where the auxiliary information is used to assist the device to perform CoMP decision.
  • the CoMP decision module 11 is configured to perform CoMP decision according to the auxiliary information received by the receiving module 10, including determining a CoMP cooperation set and a CoMP algorithm, and further determining a CoMP transmission point, and the like;
  • the CoMP information interaction module 12 is configured to exchange CoMP information with other cells participating in the CoMP according to the CoMP cooperative set and the CoMP algorithm.
  • the auxiliary information includes one of the following contents: - the measurement result of the RSRP or / and RSRQ reported by the terminal and its corresponding cell identifier, and the CSI measurement result in the CoMP measurement set reported by the terminal, wherein the RSRP or / and RSRQ measurement result and its corresponding cell identifier
  • the CMP measurement set is used to assist the CoMP serving cell to determine a CoMP measurement set
  • the CSI measurement result in the CoMP measurement set is used to assist the CoMP serving cell to determine a CoMP cooperative set and a CoMP algorithm
  • the measurement result of the RSRP or / and RSRQ reported by the terminal and its corresponding cell identifier are used to assist the CoMP serving cell to determine a CoMP measurement set;
  • the CoMP serving cell determines a CoMP cooperative set and a CoMP algorithm
  • CoMP measurement set determined by the CoMP secondary node according to the measurement result of the RSRP or/and the RSRQ reported by the terminal and the corresponding cell identifier, where the CoMP measurement set is used to assist the CoMP serving cell to acquire the CoMP measurement set.
  • the CSI measurement result is used to assist the CoMP serving cell to acquire the SRS detection result in the CoMP measurement set;
  • the CSI measurement results within the CoMP measurement set are used to assist the CoMP serving cell to determine the CoMP Cooperative Set and the CoMP algorithm.
  • the CoMP decision module 11 according to the RSRP or / forwarded by the CoMP auxiliary node And RSRQ measurement results And corresponding cell identifiers, determining a CoMP measurement set or determining a CoMP measurement set and measurement configuration information for performing CSI measurement in the CoMP measurement set, and configuring, by the CoMP secondary node, the CSI measurement according to the CoMP measurement set; And determining a CoMP cooperative set and a CoMP algorithm according to CSI measurement results in the CoMP measurement set forwarded by the CoMP auxiliary node.
  • the CoMP decision module 11 according to the measurement result of the RSRP or/and the RSRQ forwarded by the CoMP auxiliary node and its corresponding cell Identifying, determining a CoMP measurement set or determining a CoMP measurement set and measurement configuration information for performing CSI measurement in the CoMP measurement set, and configuring the terminal to perform CSI measurement according to the CoMP measurement set; and, according to the CSI in the CoMP measurement set reported by the terminal
  • the measurement results determine the CoMP cooperative set and the CoMP algorithm.
  • the CoMP decision module 11 according to the measurement result of the RSRP or/and the RSRQ forwarded by the CoMP auxiliary node and its corresponding cell Identifying, determining a CoMP measurement set; notifying a cell in the CoMP measurement set to perform SRS detection, and determining a CoMP cooperation set and a CoMP algorithm according to a SRS detection result of a cell in the CoMP measurement set.
  • the CoMP decision module 11 acquires a CSI measurement result in the CoMP measurement set according to the CoMP measurement set sent by the CoMP auxiliary node; And determining, according to the CSI measurement result in the CoMP measurement set, the CoMP cooperation set and the CoMP algorithm, where the CSI measurement result is performed by the CoMP auxiliary node according to the CoMP measurement set configuration terminal determined by the CoMP measurement node, and Forwarded after receiving the CSI measurement result reported by the terminal.
  • the CoMP decision module 11 Obtaining a CSI measurement result in the CoMP measurement set according to the CoMP measurement set sent by the CoMP auxiliary node; and determining a CoMP cooperation set and a CoMP algorithm according to the CSI measurement result in the CoMP measurement set; wherein, the CSI measurement result is After the CMP measurement is performed by the CoMP secondary node or the CoMP serving cell according to the determined CoMP measurement set configuration terminal, the terminal measures and reports the CSI measurement.
  • the CoMP decision module 11 notifies a cell in the CoMP measurement set to perform SRS detection according to a CoMP measurement set sent by the CoMP auxiliary node; and, according to the CoMP measurement set
  • the SRS detection result of the inner cell determines the CoMP cooperative set and the CoMP algorithm.
  • the CoMP decision module 11 determines a CoMP cooperation set and a CoMP algorithm according to a CSI measurement result in the CoMP measurement set; wherein the CoMP measurement set is the
  • the CMP serving cell determines that the CoMP serving cell is determining the CoMP after determining the SRS detection result of the neighboring co-frequency cell after the SRP detection is performed by the CoMP serving cell.
  • the set is measured, and after the CMP measurement is performed by the CoMP secondary node according to the CoMP measurement set, the terminal sends the CMP to the CoMP secondary node, and then the CoMP secondary node forwards the CMP to the CoMP serving cell.
  • FIG. 12A is a schematic structural diagram of a network device 2 according to an embodiment of the present invention.
  • the network device can be used as a CoMP auxiliary node (such as a macro base station), and is applied to a multipoint coordinated transmission process.
  • the network device may include: a sending module 20, configured to send, by using an inter-cell interface, auxiliary information to the CoMP serving cell, where the auxiliary information is used to assist the serving cell to perform multiple points. Collaborate to transfer CoMP decisions.
  • the auxiliary information sent by the sending module 20 is the same as that described above, and details are not described herein again.
  • the network device 2 may further include a measurement configuration module 21, a first receiving module 22, and a second receiving module 23.
  • the measurement configuration module 21 is configured to configure the terminal to perform CRP or CSI-RS based RSRP/RSRQ measurement, and further configure the terminal to perform SCI measurement according to the CoMP measurement set determined by the CoMP serving cell.
  • the first receiving module 22 is configured to receive the measurement result reported by the terminal.
  • the second receiving module 23 is configured to receive the CoMP measurement set determined by the CoMP serving cell, and further receive CSI measurement configuration information in the CoMP measurement set determined by the CoMP serving cell.
  • the network device 2 may further include a measurement module 31, a receiving module 32, and a CoMP decision module 33.
  • the measurement configuration module 31 is configured to configure the terminal to perform RSRP/RSRQ measurement based on CSR or CSI-RS, and further configure the terminal to perform CSI measurement according to the CoMP measurement set determined by the CoMP decision module 33.
  • the CoMP decision module 33 may determine a CoMP measurement set according to the RSRP/RSRQ measurement reported by the terminal, and configuration information used for performing CSI measurement in the CoMP measurement set.
  • the receiving module 32 is configured to receive the measurement result reported by the terminal.
  • FIG. 13 is a schematic structural diagram of a network device 3 according to an embodiment of the present invention.
  • the network device can be used as a transmission point in the local node cluster, and is applied to the coordinated multi-point transmission process to manage the CoMP serving cell of the terminal.
  • the network device may include: a first transceiver 1301, configured to receive auxiliary information sent by the CoMP auxiliary node through the inter-cell interface, where the auxiliary information is used to assist the device to perform CoMP decision.
  • the network device shown in FIG. 13 may further include a first processor 1302, configured to perform CoMP decision according to the auxiliary information received by the first transceiver 1301, including determining a CoMP cooperation set and a CoMP algorithm, and further determining a CoMP transmission point, and the like. ;
  • the first transceiver 1301 is further configured to exchange CoMP information with other cells participating in the CoMP according to the CoMP cooperative set and the CoMP algorithm.
  • the auxiliary information includes one of the following contents:
  • the CMP measurement set is used to assist the CoMP serving cell to determine a CoMP measurement set
  • the CSI measurement result in the CoMP measurement set is used to assist the CoMP serving cell to determine a CoMP cooperative set and a CoMP algorithm
  • the measurement result of the RSRP or / and RSRQ reported by the terminal and its corresponding cell identifier are used to assist the CoMP serving cell to determine a CoMP measurement set;
  • the CoMP The measurement set is used to assist the CoMP serving cell to obtain CSI measurement results in the CoMP measurement set, and the CSI measurement result in the CoMP measurement set is used to assist the CoMP serving cell to determine a CoMP cooperative set and a CoMP algorithm;
  • CoMP measurement set determined by the CoMP secondary node according to the measurement result of the RSRP or/and the RSRQ reported by the terminal and the corresponding cell identifier, where the CoMP measurement set is used to assist the CoMP serving cell to acquire the CoMP measurement set.
  • the CSI measurement result is used to assist the CoMP serving cell to acquire the SRS detection result in the CoMP measurement set;
  • the CSI measurement result in the CoMP measurement set is used to assist the CoMP serving cell to determine the CoMP cooperation set and the CoMP algorithm.
  • the first processor 1302 is configured according to the RSRP forwarded by the CoMP auxiliary node or And the measurement result of the RSRQ and the corresponding cell identifier, determining a CoMP measurement set or determining a CoMP measurement set and measurement configuration information for performing CSI measurement in the CoMP measurement set, and configuring the terminal according to the CoMP measurement by the CoMP auxiliary node
  • the set performs CSI measurement; and determines a CoMP cooperative set and a CoMP algorithm according to CSI measurement results in the CoMP measurement set forwarded by the CoMP auxiliary node.
  • the first processor 1302 determines the RSRP or/and RSRQ measurement result forwarded by the CoMP auxiliary node and its corresponding a cell identifier, determining a CoMP measurement set or determining a CoMP measurement set and measurement configuration information for performing CSI measurement in the CoMP measurement set, and configuring the terminal to perform CSI measurement according to the CoMP measurement set; and, according to the CoMP measurement set reported by the terminal
  • the CSI measurement results determine the CoMP cooperative set and the CoMP algorithm.
  • the first processor 1302 determines the RSRP or/and RSRQ measurement result forwarded by the CoMP auxiliary node and its corresponding a cell identifier, determining a CoMP measurement set; notifying a cell in the CoMP measurement set to perform SRS detection, and determining a CoMP cooperation set and a CoMP algorithm according to a SRS detection result of a cell in the CoMP measurement set.
  • the first processor 1302 acquires a CSI measurement result in the CoMP measurement set according to the CoMP measurement set sent by the CoMP auxiliary node. And determining a CoMP cooperative set and a CoMP algorithm according to the CSI measurement result in the CoMP measurement set; wherein the CSI measurement result is determined according to the CMP auxiliary node according to the CMP measurement result
  • the CoMP measurement set configuration terminal performs CSI measurement and is forwarded after receiving the CSI measurement result reported by the terminal.
  • the first processor 1302 acquires a CSI measurement result in the CoMP measurement set according to the CoMP measurement set sent by the CoMP auxiliary node; and, according to the CSI measurement in the CoMP measurement set.
  • the CoMP collaboration set and the CoMP algorithm are determined.
  • the CSI measurement result is measured and reported by the terminal after the CoMP secondary node or the CoMP serving cell performs CSI measurement according to the determined CoMP measurement set configuration terminal.
  • the first processor 1302 notifies a cell in the CoMP measurement set to perform SRS detection according to a CoMP measurement set sent by the CoMP auxiliary node; and, according to the CoMP measurement
  • the SRS detection result of the cells within the set determines the CoMP cooperative set and the CoMP algorithm.
  • the first processor 1302 determines a CoMP cooperation set and a CoMP algorithm according to a CSI measurement result in the CoMP measurement set; wherein the CoMP measurement set is
  • the CMP measurement result is determined by the CoMP serving cell according to the SRS detection result fed back by the adjacent co-frequency cell after the SMP detection is performed by the CoMP serving cell to notify the neighboring co-frequency cell.
  • the CoMP measures the set, and after the CMP measurement is performed by the CoMP secondary node according to the CoMP measurement set, the terminal sends the CMP to the CoMP secondary node, and then the CoMP secondary node forwards the CMP to the CoMP serving cell.
  • the first transceiver 1301 in the foregoing network device performs a corresponding information interaction process according to the CoMP algorithm that is determined by the first processor 1302.
  • the specific interaction content is the same as that in the first embodiment, and details are not described herein again.
  • FIG. 14 is a schematic structural diagram of a network device 4 according to an embodiment of the present invention.
  • the network device can be used as a CoMP auxiliary node (such as a macro base station;), and is applied to a multipoint coordinated transmission process.
  • the network device may include: a second transceiver 1401, configured to send auxiliary information to the CoMP serving cell by using an inter-cell interface, where the auxiliary information is used to assist the serving cell to perform coordinated multi-point CoMP decision.
  • the auxiliary information sent by the second transceiver 1401 is the same as that described above, and details are not described herein again.
  • a second processor 1402 may be further included in the network device shown in FIG.
  • the second processor 1402 is configured to configure the terminal to perform CSR/CSI-RS based RSRP/RSRQ measurement, and further perform SCI measurement according to the CoMP measurement set configuration terminal determined by the CoMP serving cell.
  • the second transceiver 1401 is further configured to receive the measurement result reported by the terminal, and is configured to receive the CoMP measurement set determined by the CoMP serving cell, and further receive the CSI measurement configuration information in the CoMP measurement set determined by the CoMP serving cell.
  • the second processor 1402 is further configured to configure the terminal to perform CSR/CSI-RS based RSRP/RSRQ measurement, and further configure the terminal to perform CSI measurement according to the determined CoMP measurement set. Further, the second processor 1402 may further determine a CoMP measurement set according to the RSRP/RSRQ measurement result on the terminal, and configuration information used for performing CSI measurement in the CoMP measurement set.
  • the second transceiver 1401 is configured to receive the measurement result reported by the terminal. It should be noted that not all the steps and modules in the foregoing processes and the various structural diagrams are necessary, and some steps or modules may be omitted according to actual needs. The order of execution of each step is not fixed and can be adjusted as needed.
  • each module is only for the convenience of description of the functional division.
  • one module can be implemented by multiple modules, and the functions of multiple modules can also be implemented by the same module.
  • These modules can be located in the same device. It can also be located in different devices.
  • the use of "first" and "second” in the above description is merely for the convenience of distinguishing two objects having the same meaning, and does not mean that it is true. The difference in quality.
  • the hardware modules in the various embodiments may be implemented mechanically or electronically.
  • a device such as an FPGA or an ASIC, is used to perform a specific operation.
  • the hardware modules may also include programmable logic devices or circuits (e.g., including general purpose processors or other programmable processors) that are temporarily configured by software for performing particular operations.
  • Hardware-specific implementations either with dedicated permanent circuits or with temporarily configured circuits (as configured by software), can be implemented based on cost and time considerations.
  • the present invention also provides a machine readable storage medium storing instructions for causing a machine to perform a method as described herein.
  • a system or apparatus equipped with a storage medium on which software program code implementing the functions of any of the above-described embodiments is stored, and a computer (or CPU or MPU) of the system or apparatus may be stored Reading and executing the program code stored in the storage medium.
  • some or all of the actual operations can be performed by an operating system or the like operating on a computer by an instruction based on a program code.
  • Storage medium embodiments for providing program code include floppy disks, hard disks, magneto-optical disks, optical disks (such as CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), Tape, non-volatile memory card and ROM.
  • the program code can be downloaded from the server computer by the communication network.

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Abstract

本发明公开了多点协作传输方法及网络设备。本发明中,CoMP辅助节点通过cell间的接口,向参与CoMP的cell提供CoMP辅助信息,以辅助参与CoMP的cell实现CoMP。

Description

多点协作传输方法及设备
相关文件
本申请要求于 2013 年 01 月 11 日提交中国专利局、 申请号为 201310011749.1、 发明名称为"一种多点协作传输方法及设备"的中国专 利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及无线通信领域, 尤其涉及多点协作传输方法及设备。 发明背景
e-UTRAN ( evolved Universal Terrestrial Radio Access Network, 演进 的通用陆基无线接入网) 的网络架构如图 1 所示, MME ( Mobility Management Entity, 移动性管理实体)与 eNB ( evolved NodeB, 演进基 站)之间采用 S1-MME接口相连; eNB完成接入网功能, 与 UE ( User Equipment, 用户设备)通过空口通信。 对于每一个附着到网络的 UE, 有一个 MME为其提供服务, 该 MME称为 UE的服务 MME。 S1-MME 接口为 UE提供控制面服务, 包括移动性管理和承载管理功能。 S-GW ( Serving Gate Way, 服务网关)与 eNB之间采用 S1-U接口相连, 对于 每一个附着到网络的 UE, 有一个 S-GW为其提供服务, 该 S-GW称为 UE的服务 S-GW。 S1-U接口为 UE提供用户面服务, UE的用户面数据 通过 Sl-U GTP ( GPRS ( General Packet Radio Service, 通用分组无线服 务技术) 隧道协议)承载在 S-GW和 eNB之间传输。
传统的宏基站(Macro eNB )单层覆盖网络已经不能满足人们对数 据业务速率和容量不断增长的需求。 因此, 分层组网的方式被引入来解 决该问题: 通过在热点区域、 家庭室内环境、 办公环境等小覆盖环境布 设一些低功率的基站 (下面以 Local eNB 表示, 即本地基站, 包括 Femto/Pico/Relay等形式), 提供小范围覆盖(即 small cell, 也可称为小 小区), 以获得小区分裂的效果, 使得运营商能够为用户提供更高数据 速率、 更氏成本的业务。
包含 Local eNB和 Macro eNB的分层异构网络结构如图 2所示, 其 中, Macro eNB提供基础覆盖, Local eNB提供热点覆盖(即 small cell ), small cell与 Macro cell之间存在数据 /信令接口 (有线 /无线接口)。
由于 Local eNB控制的 small cell覆盖范围小, 服务的 UE少, 所以 连接到 Local eNB的 UE往往能获得更好的服务质量, 如: 获得更高的 业务速率,更高质量的链路。因此,当连接到 Macro eNB的 UE接近 Local eNB控制的小区时, 可以切换到 Local eNB下的 small cell; 当 UE远离 Local eNB下的 small cell时, 需要切换到 Macro eNB控制的小区, 以保 持无线连接。
为了解决异构网络的移动性问题,承载分离的网络部署方式被引入, 即, 将 UE的 RRC ( Radio Resource Connection, 无线资源控制 )连接仅 维护在 Macro eNB , 数据承载可以全部或者部分转移到 Local eNB下传 输。
图 3示出了一种承载分离的网络架构, 该网络架构下, UE的 SRB ( Signalling Radio Bearer, 信令无线承载)全部维持在 Macro eNB , 全 部或者部分 DRB ( Data Radio Bearer, 数据无线承载 )转移到 Local eNB 传输。 图中虚线部分接口只有当 DRB为部分 载分离时才存在。
图 4示出了另一种承载分离的网络架构, 该网络架构下, DRB可以 全部或部分转移到 Local eNB传输。
对于异构网络, 在宏覆盖范围内可能存在若干个 small cell, 这些 small cell之间可能存在重叠覆盖区域。如果 UE位于 small cell的重叠覆 盖区域, 那么 UE可能同时从多个 small cell接收到信号, 这些信号相互 之间会造成较强干扰。 为了解决干扰的问题,可以在 small cell之间引入 CoMP ( Coordinated Multiple Points Transmission/Reception , 多点十办作传 输)机制来抑制干扰, 改善 UE接收信号的质量。
CoMP是指地理位置上分离的多个传输点, 协同参与一个 UE的数 据传输或者联合接收一个 UE发送的数据。 一般来说, 多个传输点是不 同小区的基站, 或者同一个基站控制的多个 RRH ( Remote Radio Head, 射频拉远头)。 通过多个传输点之间的协同调度、 预编码、 联合传输等, 可以有效降低协作传输点之间的干扰, 提高协作区域覆盖范围内用户, 特别是协作点覆盖边缘用户的吞吐量。
CoMP技术的相关术语如下:
- Point (点): 一组地理位置共址的发射天线, 同一个站点的不同 扇区为不同的 Point。
- CoMP serving cell ( CoMP服务小区): 发送 CoMP相关 PDCCH
( Physical Downlink Control Channel, 物理下行控制信道)调度 信息的小区。
- CoMP resource management set ( CoMP资源管理集合 ): UE在该 集 合 内 执行基 于 CSI-RS ( Channel State Reference Signal-Reference Signal , 信道状态导频 -参考信号) 的 RSRP
( Reference Signal Receiving Power, 参考信号接收功率)和 /或 RSRQ ( Reference Signal Receiving Quality, 参考信号接收质量) 测量,并将测量结果上报给 CoMP serving cell, CoMP serving cell 基于 RSRP和 /或 RSRQ测量结果对 CoMP measurement set进行 管理,包括确定 CoMP measurement set,在 CoMP measurement set 内添加 Point或者删除 Point。
- CoMP measurement set ( CoMP测量集合 ): 根据 CoMP resource management set的测量结果确定, 或者 ^据移动性测量的 RRM ( Radio Resource Management, 无线资源管理)测量结果确定, 甚至对于 TDD ( Time Division Duplexing, 时分双工) 系统, 还 可以考虑基于 SRS ( Sounding Reference Signal, 测量参考信号), 利用信道互异性确定。 UE在 CoMP measurement set内执行 CSI 测量, 并将 CSI测量结果上报给 CoMP serving cell, 用于确定 CoMP cooperating set以及 CoMP transmission Point 0
- CoMP cooperating set ( CoMP协作集合): 一组直接 /间接参与数 据发送 /接收的 Points。 可以对 UE透明或不透明。 根据 CoMP measurement set的 CSI测量结果确定, 对于 TDD系统, 还可以 利用信道互异性, 根据 SRS确定。
- CoMP transmission points ( CoMP发送点 ): CoMP cooperating set 内直接参与向 UE发送数据的一个或者一组 point。 根据 CoMP measurement set上报的 CSI或者对于 TDD系统, 利用信道互异 性确定。
- CoMP reception points ( CoMP接收点): CoMP协作集合内接收
UE数据的一个或者一组 point。 可以根据 SRS确定。
基于传输方向不同, CoMP 又分为 DL CoMP (即下行 CoMP )和 UL CoMP (即上行 CoMP )。 下面分别进行介绍:
( 1 ) DL CoMP
对于 DL CoMP, UE仅从一个传输点( transmission point )接收 PDCCH 调度信息, 但是可以同时从一个或者多个 transmission point接收数据。 下行 CoMP 分为两大类: JP ( Joint Processing , 联合处理) 和 CS/CB(Coordinated Scheduling/Beam forming , 协同调度 /波束赋形 )。
JP进一步又分为 JT( Joint Transmission,联合传输)和 DPS( Dynamic Point Selection/Muting, 动态节点选择)。 JT即 CoMP cooperating set内 全部或者部分节点同时向一个或者多个 UE发送数据; DPS 即 CoMP cooperating set内在任何一个时刻仅选择一个节点为 UE传输数据。选择 的传输节点可以随时间变化。 JT和 DPS也可以联合使用。
CS/CB的特点是 CoMP cooperating set内仅有一个节点有 UE的业务 数据且仅有该节点会向 UE发送数据, 但是其它节点会向该发送节点反 馈调度或者波束赋形信息。 比如, 对于 CS , CoMP cooperating set内节 点间可以协调传输使用时频资源, 以尽量减少干扰。 JP和 CS/CB也可 以联合使用。
( 2 ) UL CoMP
对于 UL CoMP, UE从一个 transmission point接收 PDCCH, 但是 PUSCH ( Physical Uplink Shared Channel, 物理上行共享信道)传输可以 同时被一个或者多个传输节点接收。 UL CoMP 分为两类: JR ( Joint Reception, 联合接收 )和 CS/CB ( Coordinated Scheduling/Beam forming, 协同调度 /波束赋形)。 JR 即 UE 发送的 PUSCH 可以同时被 CoMP cooperating set内的全部或者部分 points接收, 可改善接收信号质量。 CS/CB和下行 CS/CB类似,即 CoMP cooperating set内的节点协调调度。
对于承载分离的异构网络, 由于 Macro cell和参与承载分离的 small cell之间时延可能比较大, Macro cell和参与承载分离的 small cell之间 使用 CoMP, 增益可能有限, 但是与参与承载分离的 small cell有重叠覆 盖的其它 cell和该 small cell之间可能时延比较理想, CoMP增益较大, 因此需要考虑 small cell和这些 cell之间采用 CoMP, 以提高系统性能。
但是承载分离架构下, UE的 RRC功能可能完全位于 Macro cell, 而所有测量配置以及测量结果接收都是通过 RRC信令完成的, 因此只 有 Macro cell可以进行测量配置和测量结果的接收, 甚至 CSI信息也有 可能只在 Macro cell反馈。 因此如果考虑 small cell和其重叠覆盖区域的 其它 cell (非 UE RRC连接所在的 Macro cell )之间的 CoMP, 就必须解 决 small cell上的测量结果获取的问题。 发明内容
本发明实施例提供了一种多点协作传输方法及设备, 用以实现由 CoMP辅助节点辅助参与 CoMP的小区实现 CoMP。
本发明实施例提供的多点协作传输方法, 包括: CoMP服务小区接 收 CoMP辅助节点通过小区间接口发送来的辅助信息, 所述辅助信息用 于辅助所述 CoMP服务小区进行 CoMP决策。
本发明另一实施例提供的多点协作传输方法, 包括: CoMP辅助节 点通过小区间接口, 向 CoMP服务小区发送辅助信息, 所述辅助信息用 于辅助所述服务小区进行多点协作传输 CoMP决策。
本发明实施例提供的一种网络设备包括:接收模块,用于接收 CoMP 辅助节点通过小区间接口发送来的辅助信息, 所述辅助信息用于辅助本 设备进行 CoMP决策。
本发明实施例提供的另一种网络设备包括: 发送模块, 用于通过小 区间接口, 向 CoMP服务小区发送辅助信息, 所述辅助信息用于辅助所 述服务小区进行多点协作传输 CoMP决策。
本发明实施例提供的再一种网络设备包括: 接收模块, 用于接收多 点协作传输 CoMP辅助节点通过小区间接口发送来的辅助信息, 所述辅 助信息用于辅助本设备进行 CoMP决策。
本发明实施例提供的又一种网络设备包括: 第二收发信机, 用于通 过小区间接口 , 向多点协作传输 CoMP服务小区发送辅助信息, 所述辅 助信息用于辅助所述 CoMP服务小区进行 CoMP决策。
本发明的上述实施例中, 通过 CoMP辅助节点将辅助信息发送给 CoMP服务小区, 从而辅助 CoMP服务小区进行 CoMP决策。 附图简要说明
以下附图仅为本发明技术方案的一些例子, 本发明并不局限于图中 示出的特征。 以下附图中, 相似的标号表示相似的元素:
图 1为现有技术中的 e-UTRAN网络架构示意图;
图 2为现有技术中的分层网络部署场景示意图;
图 3为现有技术中的一种控制面和用户面分离架构示意图; 图 4为现有技术中的另一种控制面和用户面分离架构示意图; 图 5为本发明实施例提供的 CoMP的总体流程示意图;
图 6为本发明实施例一提供的 CoMP流程示意图;
图 7为本发明实施例二提供的 CoMP流程示意图;
图 8为本发明实施例三提供的 CoMP流程示意图;
图 9为本发明实施例四提供的 CoMP流程示意图;
图 10为本发明实施例五提供的 CoMP流程示意图;
图 11为本发明实施例提供的网络设备一的结构示意图;
图 12A、 图 12B、 图 12C分别为本发明其它实施例提供的网络设备 二的结构示意图;
图 13为本发明实施例提供的网络设备三的结构示意图;
图 14为本发明实施例提供的网络设备四的结构示意图。 实施本发明的方式
为了描述上的筒洁和直观, 下文通过描述若干代表性的实施例来对 本发明的方案进行阐述。 实施例中大量的细节仅用于帮助理解本发明的 方案。 但是很明显, 本发明的技术方案实现时可以不局限于这些细节。 为了避免不必要地模糊了本发明的方案, 一些实施方式没有进行细致地 描述, 而是仅给出了框架。 下文中, "包括 "是指 "包括但不限于", "根 据…… " 是指 "至少根据……, 但不限于仅根据…… "。 由于汉语的语 言习惯, 下文中没有特别指出一个成分的数量时, 意味着该成分可以是 一个也可以是多个, 或可理解为至少一个。
本发明实施例给出了一种 CoMP辅助节点辅助其它参与 CoMP 的 cell实现 CoMP的方案, 即: CoMP辅助节点通过 cell间的接口, 向参 与 CoMP的 cell提供辅助信息, 以辅助参与 CoMP的 cell实现 CoMP。 进一步的,这里的 CoMP辅助节点是指具备全部或者部分 CoMP相关测 量信息配置和 /或接收能力的节点。所述 CoMP相关测量信息包括但不限 于基于 CSI-RS的 RSRP/RSRQ测量、 和 /或基于 CRS的 RSRP/RSRQ测 量、 和 /或基于 CSI-RS的 CSI测量。 本发明的以下实施例以 CoMP辅助 节点为 Macro cell为例 ^述。
下面结合附图对本发明实施例进行详细描述。
以下各实施例中, 将 CoMP辅助节点记为 Marco cell, Marco cell具 备部分或者全部 CoMP相关测量信息配置和 /或接收能力, CoMP参与节 点记为 cell_l和 cell_2,其中 cell_l为 CoMP serving cell; cell_2为与 cell_l 有覆盖重叠区域且需要与 cell_l—起进行 CoMP传输的 cell。
本发明实施例的总体流程可如图 5所示, 包括:
步骤 1: CoMP辅助节点 (如宏基站)通过小区间接口将用于进行 CoMP决策的辅助信息发送给 CoMP服务小区; 步骤 2: CoMP服务小区根据辅助信息为 UE进行 CoMP决策; 步骤 3: CoMP服务小区根据 CoMP决策的结果与参与 CoMP的其 它小区交互 CoMP信息;
步骤 4: 参与 CoMP的小区与 UE进行 CoMP传输。 实施例一
本实施例描述了 Macro cell将 UE上报的 RSRP或 /和 RSRQ (以下 表示为 RSRP/RSRQ )测量结果发送给作为 CoMP serving cell的 cell_l 作为 CoMP决策的辅助信息,以辅助 cell_l确定 CoMP measurement set。 进一步的, Macro cell还可将 UE上才艮的 CoMP measurement set内的 CSI 测量结果作为 CoMP决策的辅助信息发送给 cell_l , 以辅助 cell_l确定 CoMP cooperating set, CoMP算法 ,以及 CoMP transmission point和 CoMP reception point, 从而辅助 cell_l与其它 cell实现 CoMP。
参见图 6, 为实施例一提供的 CoMP流程示意图, 如图所示, 该流 程可包括:
步骤 1: 确定 UE聚合的小区之间的功能划分。
UE接入网络后, Macro cell根据 UE业务情况、 UE位置或者 UE的 测量结果,选择 UE可以聚合的其它 cell,比如 cell_l ,并将部分功能(比 如, 测量配置以及测量结果接收功能) 限制为仅由 Marco cell维护。
步骤 2: Macro cell对 UE进行测量配置。 比如, 可以配置 UE执行 基于 CRS( Common Reference Signal,公共参考信号)或 CSI-RS的 RSRP 测量; 也可以配置 UE执行基于 CRS或 CSI-RS的 RSRQ测量; 还可以 配置 UE执行基于 CRS或 CSI-RS的 RSRP测量, 以及执行基于 CRS或 CSI-RS的 RSRQ测量。
步骤 3: 当满足测量上报条件时, UE向 Macro cell上报 RSRP/RSRQ 测量结果以及 RSRP/RSRQ测量结果对应的小区标识。
步骤 4: Macro cell通过 Macro cell与 cell_l之间的接口, 将 UE上 报的 RSRP/RSRQ测量结果、 RSRP/RSRQ测量结果对应的小区标识转发 给 cell」。
该步骤中, Macro cell可以将全部 RSRP/RSRQ测量结果转发, 如果 将全部测量结果转发, 可能还需要携带小区频点信息。 Macro cell也可 以选择仅转发与要接收 RSRP/RSRQ测量结果的小区 (这里为 cell_l ) 同频的小区的测量结果。
步骤 5: cell_l根据 RSRP/RSRQ测量结果确定是否启用 CoMP, 如 果确定启用 CoMP, 还需要确定 CoMP measurement set。 确定 CoMP measurement set的原则可以有多种, 比如根据 CoMP measurement set大 小限制, 选择 RSRP或 RSRQ最大的 cell。 进一步, cell_l确定 CoMP measurement set后, 还需要确定 CoMP measurement set内用于 CSI测量 的 CSI-RS配置。
步骤 6: cell_l 将 CoMP measurement set 以及用于在 CoMP measurement set内进行 CSI测量的 CSI-RS配置信息,发送给 Macro celL 步骤 7: Macro cell配置 UE基于 CSI-RS执行 CSI测量。
步骤 8a~8b: 当满足测量上报条件时, UE向 Macro cell上报 CoMP measurement set内的 CSI测量结果, Macro cell将该 CSI测量结果转发 给 cell_l。
步骤 9: cell_l根据 CoMP measurement set内的 CSI测量结果,确定 CoMP cooperating set以及 CoMP算法,并根据 CoMP算法以及 CSI测量 结果选择 CoMP transmission point以及 CoMP reception point。
步骤 10: cell_l与其它参与 CoMP的 cell, 比如 Cell_2, 交互 CoMP 信息, 并共同进行 CoMP传输。 该步骤中, cell_l和 cell_2之间交互的信息与具体的 CoMP算法相 关。 进一步的, 对于参与 CoMP的 small cell, 如果属于不同基站节点, 则需要引入基站间交互。
根据 CoMP算法,作为 CoMP serving cell的 cell_l与其它参与 CoMP 的 cell可能交互的 CoMP信息如下:
- 若 CoMP算法为 DL JT/DPS , 则交互的 CoMP信息至少包括以下 的一种:
CoMP serving cell向 CoMP cooperating set内其它传输点发送的需要 在物理层传输的比特流以及该比特流传输使用的时频资源;
CoMP serving cell 向 CoMP cooperating set 内其它传输点指示的
PDSCH ( Physical Downlink Shared Channel, 物理下行共享信道)起始 符号位置;
- 若 CoMP算法为 DL CS/CB , 则交互的 CoMP信息至少包括以下 的一种:
波束赋形参考信息;
协同调度时各个传输点之间的时间信息;
协同调度时各个传输点之间的频率资源的协调信息;
- 若 CoMP算法为 UL JR, 则交互的 CoMP信息至少包括以下一种: CoMP serving cell向 CoMP reception points发送的 PUSCH接^:的时 频资源信息;
CoMP reception points向 CoMP serving cell反馈的接收到的比特信 息, 以用于接收合并;
- 若 CoMP算法为 UL CS/CB , 则交互的 CoMP信息至少包括以下 一种:
CoMP serving cell与 CoMP cooperating set内参与 CoMP的其它 cell 交互的波束赋形信息;
CoMP serving cell与 CoMP cooperating set内参与 CoMP的其它 cell 交互的各个 cell上的时频资源协调信息。
可选的, 上述流程的步骤 5 中, cell_l 也可以仅决定 CoMP measurement set, CSI-RS测量配置信息可以由 Macro cell决定。 如果这 样处理, 则步骤 6中仅需要传输 CoMP measurement set相关信息。
可选的, 上述流程的步骤 8中, UE也可以将 CSI测量结果发送给 cell_l , 而不'义、由 Macro cell转发。
可选的, 上述流程中, cell_l在确定出 CoMP measurement set以及 CoMP measurement set内用于 CSI测量的 CSI-RS配置信息后(步骤 5 ), cell_l可以配置 UE基于 CSI-RS执行 CSI测量。
进一步, cell_l还可以根据 RSRP和 /或 RSRQ测量结果调整 CoMP measurement set, 其流程和上述流程类似, 在此不再详述。 实施例二
本实施例描述了 Macro cell将 UE上报的 RSRP/RSRQ测量结果发送 给作为 CoMP serving cell的 cell_l作为 CoMP决策的辅助信息, 以辅助 cell_l确定 CoMP measurement set。进一步的, cell_l还将接收 SRS的时 频资源信息发送给 CoMP measurement set内的传输点, 并根据这些传输 点发送的 SRS检测结果, 确定 CoMP cooperating set, CoMP算法, 以及 CoMP transmission point和 CoMP reception point, 从而使 cell_l与其它 cell实现 CoMP。
参见图 7, 为实施例二提供的 CoMP流程示意图, 如图所示, 该流 程可包括:
步骤 1 : 确定 UE聚合的小区之间的功能划分。 UE接入网络后, Macro cell根据 UE业务情况、 UE位置或者 UE的 测量结果,选择 UE可以聚合的其它 cell,比如 Cell_l ,并将部分功能(比 如, 测量配置以及测量结果接收功能) 限制为仅由 Marco cell维护。
步骤 2: Macro cell配置 UE执行 RSRP/RSRQ测量。 该步骤的具体 实现与图 6中的步骤 2相同。
步骤 3: 当满足测量上报条件时, UE向 Macro cell上报 RSRP/RSRQ 测量结果以及 RSRP/RSRQ测量结果对应的小区标识。
步骤 4: Macro cell通过 Macro cell与 cell_l之间的接口, 将 UE上 报的 RSRP/RSRQ测量结果、 RSRP/RSRQ测量结果对应的小区标识转发 给 cell_l。
该步骤中, Macro cell可以将全部 RSRP/RSRQ测量结果转发, 如果 将全部测量结果转发, 可能还需要携带小区频点信息。 Macro cell也可 以选择仅转发与要接收 RSRP/RSRQ测量结果的小区 (这里为 cell_l ) 同频的小区的测量结果。
步骤 5: cell_l根据 RSRP/RSRQ测量结果确定是否启用 CoMP, 如 果确定启用 CoMP , 还需要确定 CoMP measurement set。
步骤 6: cell_l通知 CoMP measurement set内其它传输点(比如 cell_2 ) 接收 SRS的时频资源位置。
步骤 7: UE发送 SRS信号, CoMP measurement set内的传输点(比 如 cell_l和 cell_2 )接收 SRS信号。
步骤 8: CoMP measurement set内其它传输点接收到 SRS信号后, 将 SRS信号接收情况反馈给作为 CoMP serving cell的 cell_l。
步骤 9 : cell_l 利用信道互异性, 根据 SRS 信号估算 CoMP measurement set内的 CSI测量结果,才艮据估算出的 CoMP measurement set 内的 CSI测量结果, 确定 CoMP cooperating set, CoMP算法, 并根据 CoMP算法以及 CSI测量结果选择 CoMP transmission point以及 CoMP reception point。
步骤 10: cell_l与其它参与 CoMP的 cell, 比如 cell_2, 交互 CoMP 信息, 并共同进行 CoMP传输。 cell_l与其它参与 CoMP的 cell之间交 互的信息与 CoMP算法相关, 具体实现同实施例一中的相应描述。
进一步, cell_l 还可以根据 RSRP/RSRQ 测量结果调整 CoMP measurement set, 其流程和上述流程类似, 在此不再详述。 实施例三
本实施例描述了 Macro cell根据 UE上报的 RSRP/RSRQ测量结果确 定 CoMP measurement set以及 CoMP measurement set内用于进行 CSI测 量的 CSI-RS配置, 并将 CoMP measurement set发送给 cell_l , 将 UE上 报的 CSI测量结果发送给 cell_l ,以使 cell_l确定 CoMP cooperating set, CoMP算法, 以及 CoMP transmission point和 CoMP reception point, 从 而使 cell_l与其它 cell实现 CoMP。
参见图 8, 为实施例三提供的 CoMP流程示意图, 如图所示, 该流 程可包括:
步骤 1 : 确定 UE聚合的小区之间的功能划分。
UE接入网络后, Macro cell根据 UE业务情况、 UE位置或者 UE的 测量结果,选择 UE可以聚合的其它 cell,比如 Cell_l ,并将部分功能(比 如, 测量配置以及测量结果接收功能) 限制为仅由 Marco cell维护。
步骤 2: Macro cell配置 UE执行 RSRP/RSRQ测量。 该步骤的具体 实现与图 6中的步骤 2相同。
步骤 3: 当满足测量上报条件时, UE向 Macro cell上报 RSRP/RSRQ 测量结果以及 RSRP/RSRQ测量结果对应的小区标识。 步骤 4: Macro cell根据 RSRP/RSRQ测量结果确定是否启用 CoMP, 如果启用 CoMP, 则根据 RSRP/RSRQ测量结果、 CoMP measurement set 大小限制等因素确定 CoMP measurement set。
步骤 5: Macro cell确定 CoMP measurement set内用于 CSI测量的 CSI-RS配置。
步骤 6: Macro cell将 CoMP measurement set通知给 cell_l。
步骤 7: Macro cell配置 UE基于 CSI-RS执行 CSI测量。
步骤 8a~8b: 当满足测量上报条件时, UE向 Macro cell上报 CoMP measurement set内的 CSI测量结果, Macro cell将该 CSI测量结果转发 给 cell」。
步骤 9: cell_l根据 CoMP measurement set的 CSI测量结果, 确定 CoMP cooperating set以及 CoMP算法,并根据 CoMP算法以及 CSI测量 结果选择 CoMP transmission point以及 CoMP reception point。
步骤 10: cell_l与其它参与 CoMP的 cell, 比如 Cell_2, 交互 CoMP 信息, 并共同进行 CoMP传输。 cell_l与其它参与 CoMP的 cell之间交 互的信息与 CoMP算法相关, 具体实现同实施例一中的相应描述。
需要说明的是, 上述流程中的步骤 5、 6、 7没有严格时序要求。 可选的, cell_l在收到 Macro cell发送的 CoMP measurement set以及 CoMP measurement set内用于 CSI测量的 CSI-RS配置信息后(步骤 5 ), cell_l可以配置 UE基于 CSI-RS执行 CSI测量, 而不必由 Macro cell配 置 UE基于 CSI-RS执行 CSI测量。
可选的, 上述流程的步骤 8中, UE也可以将 CSI测量结果发送给 cell_l , 而不'义、由 Macro cell转发。
进一步的, Macro cell还可以根据 RSRP/RSRQ测量结果调整 CoMP measurement set, —旦 CoMP measurement set被调整, 么 Macro cell 需要将调整后的 CoMP measurement set通知给 cell_l , 其流程和上述流 程类似, 在此不再详述。 实施例四
本实施例描述了 Macro cell根据 UE上报的 RSRP/RSRQ测量结果确 定 CoMP measurement set, 并将 CoMP measurement set发送给 cell_l作 为 CoMP决策的辅助信息, 以使 cell_l根据 CoMP measurement set并进 一步结合其它 ceii的 SRS测量结果确定 CoMP cooperating set, CoMP算 法 , 以及 CoMP transmission point和 CoMP reception point,从而使 cell_l 与其它 cell实现 CoMP。
参见图 9, 为实施例四提供的 CoMP流程示意图, 如图所示, 该流 程可包括:
步骤 1 : 确定 UE聚合的小区之间的功能划分。
UE接入网络后, Macro cell根据 UE业务情况、 UE位置或者 UE的 测量结果,选择 UE可以聚合的其它 cell,比如 Cell_l ,并将部分功能(比 如, 测量配置以及测量结果接收功能) 限制为仅由 Marco cell维护。
步骤 2: Macro cell配置 UE执行 RSRP/RSRQ测量。 该步骤的具体 实现与图 6中的步骤 2相同。
步骤 3: 当满足测量上报条件时, UE向 Macro cell上报 RSRP/RSRQ 测量结果以及 RSRP/RSRQ测量结果对应的小区标识。
步骤 4: Macro cell根据 RSRP/RSRQ测量结果判断是否启用 CoMP, 如果启用 CoMP, 再根据 RSRP/RSRQ测量结果、 CoMP measurement set 大小限制等因素确定 CoMP measurement set。
步骤 5: Macro cell将确定的 CoMP measurement set通知给 cell_l。 步骤 6: cell_l通知 CoMP measurement set内其它传输点接收 SRS 信号的时频资源位置。
步骤 7: CoMP measurement set内的传输点 (比如 cell_l和 cell_2 ) 接收 SRS信号。
步骤 8: CoMP measurement set内其它传输点(比如 cell_2 )向作为 CoMP serving cell的 cell_l反馈 SRS信号接收结果,反馈结果中除了 SRS 信号接收质量以外, 还包括传输点标识。
步骤 9 : cell_l 利用信道互异性, 根据 SRS 信号估算 CoMP measurement set内的 CSI测量结果,才艮据估算出的 CoMP measurement set 的 CSI测量结果,确定 CoMP cooperating set, CoMP算法,并根据 CoMP 算法以及 CSI测量结果选择 CoMP transmission point以及 CoMP reception point。
步骤 10: cell_l与其它参与 CoMP的 cell, 比如 cell_2, 交互 CoMP 信息, 并共同进行 CoMP传输。 cell_l与其它参与 CoMP的 cell之间交 互的信息与 CoMP算法相关, 具体实现同实施例一中的相应描述。
进一步的, Macro cell还可以根据 RSRP/RSRQ测量结果调整 CoMP measurement set, —旦 CoMP measurement set被调整, 么 Macro cell 需要将调整后的 CoMP measurement set通知给 cell_l , 其流程和上述流 程类似, 在此不再详述。 实施例五
本实施例描述了 cell_l 根据其它 cell 上报的 SRS 检测结果确定 CoMP measurement set,并结合 Macro cell转发的 UE所上报的 CSI测量 结果, 确定 CoMP cooperating set、 CoMP算法, 以及 CoMP transmission point和 CoMP reception point, 从而使 cell_l与其它 cell实现 CoMP。
参见图 10, 为实施例五提供的 CoMP流程示意图, 如图所示, 该流 程可包括:
步骤 1 : 确定 UE聚合的小区之间的功能划分。
UE接入网络后, Macro cell根据 UE业务情况、 UE位置或者 UE的 测量结果,选择 UE可以聚合的其它 cell,比如 Cell_l ,并将部分功能(比 如, 测量配置以及测量结果接收功能) 限制为仅由 Marco cell维护。
步骤 2: cell_l通知与其相邻的同频小区(比如 cell_2 )进行 SRS信 号接收。 进一步的, cell_l可通知 cell_2接收 SRS的时频资源位置。
步骤 3~4: UE发送 SRS信号,与 cell_l相邻的同频小区接收到 SRS 后, 将接收结果反馈给 cell_l。
步骤 5: cell_l根据其接收到的 SRS检测结果以及与其相邻的同频 其它小区的 SRS检测结果确定是否启用 CoMP, 如果启用 CoMP, 还需 要确定 CoMP measurement set。进一步, cell_l确定 CoMP measurement set 后,还需要确定 CoMP measurement set内用于 CSI测量的 CSI-RS配置。
步骤 6: cell_l向 Macro cell转发 CoMP measurement set以及用于 CoMP measurement set内 CSI测量的 CSI-RS配置信息。
步骤 7: Macro cell配置 UE基于 CSI-RS执行 CSI测量。
步骤 8a~8b: 当满足测量上报条件时, UE向 Macro cell上报 CoMP measurement set内的 CSI测量结果, Macro cell将该 CSI测量结果转发 给 cell」。
步骤 9: cell_l根据 CoMP measurement set内的 CSI测量结果,确定
CoMP cooperating set以及 CoMP算法,并根据 CoMP算法以及 CSI测量 结果选择 CoMP transmission point以及 CoMP reception point。
步骤 10: cell_l与其它参与 CoMP的 cell, 比如 cell_2, 交互 CoMP 信息, 并共同进行 CoMP传输。 cell_l与其它参与 CoMP的 cell之间交 互的信息与 CoMP算法相关, 具体实现同实施例一中的相应描述。 可选的, 上述流程的步骤 8a~8b中, UE也可以将 CSI测量结果发 送给 cell_l , 而不必由 Macro cell转发。
可选的,上述流程的步骤 5中, cell_l可以仅决定 CoMP measurement set, 其 CSI-RS测量配置可以由 Macro cell决定。 如果这样处理, 则步 骤 6中仅需要传输 CoMP measurement set相关信息。
进一步, cell_l 还可以根据 RSRP/RSRQ 测量结果调整 CoMP measurement set, 其流程和上述流程类似, 在此不再详述。 综上所述, 本发明实施例给出了一种 CoMP方案, 可以保证即使参 与 CoMP的 cell无法获得 UE的 RSRP/RSRQ测量结果, 或者无法获得 CSI测量结果, 仍然可以实现 CoMP。 基于相同的技术构思, 本发明实施例还提供了一种网络设备。
参见图 11 , 为本发明实施例提供的网络设备一的结构示意图, 该网 络设备可作为本地节点簇内的传输点, 应用于多点协作传输过程, 管理 终端的 CoMP服务小区。 该网络设备可包括: 接收模块 10, 还可包括 CoMP决策模块 11和 CoMP信息交互模块 12。
接收模块 10,用于接收 CoMP辅助节点通过小区间接口发送来的辅 助信息, 所述辅助信息用于辅助本设备进行 CoMP决策;
CoMP决策模块 11 , 用于根据接收模块 10接收到的辅助信息进行 CoMP决策, 包括确定 CoMP协作集合和 CoMP算法, 以及进一步确定 CoMP传输点等;
CoMP信息交互模块 12,用于根据所述 CoMP协作集合和 CoMP算 法, 与参与 CoMP的其它小区交互 CoMP信息。
具体的, 所述辅助信息包括以下内容之一: - 终端上报的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识, 以 及终端上报的 CoMP测量集合内的 CSI测量结果,其中,所述 RSRP 或 /和 RSRQ的测量结果及其对应的小区标识用于辅助所述 CoMP服 务小区确定 CoMP测量集合, 所述 CoMP测量集合内的 CSI测量结 果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法;
- 终端上报的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识, 所 述 RSRP或 /和 RSRQ的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合;
- CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合, 以及终端上报的所述
CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用 于辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结 果, 所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服 务小区确定 CoMP协作集合和 CoMP算法;
- CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合, 所述 CoMP测量集合 用于辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量 结果, 或者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合 内的 SRS检测结果;
- 终端上 "¾的 CoMP测量集合内的 CSI测量结果, 所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作 集合和 CoMP算法。
在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识, 以及 CoMP测量集合内的 CSI测量结果的情况下, CoMP决策模 块 11根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果 及其对应的小区标识,确定 CoMP测量集合或确定 CoMP测量集合以及 该 CoMP测量集合内进行 CSI测量的测量配置信息, 并通过所述 CoMP 辅助节点配置终端根据所述 CoMP测量集合进行 CSI测量; 以及, 根据 所述 CoMP辅助节点转发来的 CoMP测量集合内的 CSI测量结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识的情况下, CoMP决策模块 11根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集 合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量的测量 配置信息, 并配置终端根据所述 CoMP测量集合进行 CSI测量; 以及, 根据终端上报的 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集 合和 CoMP算法。
在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识的情况下, CoMP决策模块 11根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集 合; 通知所述 CoMP测量集合内的小区进行 SRS检测, 并根据 CoMP 测量集合内的小区的 SRS检测结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 CoMP测量集合以及所述 CoMP测量集合内的 CSI测量结果的情况下, CoMP决策模块 11根据所述 CoMP辅助节点发 送的 CoMP测量集合获取该 CoMP测量集合内的 CSI测量结果; 以及, 根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP 算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点根据其确定出 的 CoMP测量集合配置终端进行 CSI测量, 并在接收到终端上报的 CSI 测量结果后转发的。
在所述辅助信息包括 CoMP测量集合的情况下, CoMP决策模块 11 根据所述 CoMP辅助节点发送的 CoMP测量集合获取该 CoMP测量集合 内的 CSI测量结果; 以及, 根据 CoMP测量集合内的 CSI测量结果, 确 定 CoMP协作集合和 CoMP算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点或者所述 CoMP服务小区根据确定出的 CoMP测量集合 配置终端进行 CSI测量后, 终端测量并上报的。
在所述辅助信息包括 CoMP测量集合的情况下, CoMP决策模块 11 根据所述 CoMP辅助节点发送的 CoMP测量集合,通知所述 CoMP测量 集合内的小区进行 SRS检测; 以及,根据所述 CoMP测量集合内的小区 的 SRS检测结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 CoMP测量集合内的 CSI测量结果的情况下, CoMP决策模块 11根据 CoMP测量集合内的 CSI测量结果,确定 CoMP 协作集合和 CoMP算法; 其中, 所述 CoMP测量集合是所述 CoMP服务 小区在通知与其相邻的同频小区进行 SRS检测后,根据所述相邻的同频 小区反馈的 SRS检测结果确定出的, 所述 CSI测量结果是所述 CoMP 服务小区在确定出 CoMP测量集合,并通过所述 CoMP辅助节点配置终 端根据所述 CoMP测量集合进行 CSI测量后,所述终端发送给所述 CoMP 辅助节点, 然后由所述 CoMP辅助节点转发给 CoMP服务小区的。
上述网络设备中的 CoMP信息交互模块 12, 根据 CoMP决策模块 11所决策出的 CoMP算法,执行对应的信息交互过程, 具体交互内容同 实施例一中的相关描述, 在此不再赘述。 参见图 12A, 为本发明实施例提供的网络设备二的结构示意图, 该 网络设备可作为 CoMP辅助节点 (如宏基站), 应用于多点协作传输过 程。 该网络设备可包括: 发送模块 20, 用于通过小区间接口, 向 CoMP 服务小区发送辅助信息, 所述辅助信息用于辅助所述服务小区进行多点 协作传输 CoMP决策。 发送模块 20所发送的辅助信息同前所述, 在此 不再赘述。
进一步的, 如图 12B 所示, 该网络设备二还可包括测量配置模块 21、 第一接收模块 22和第二接收模块 23。 测量配置模块 21用于配置终 端执行基于 CSR或 CSI-RS的 RSRP/RSRQ测量,还可进一步根据 CoMP 服务小区确定出的 CoMP measurement set配置终端执行 SCI测量。 第一 接收模块 22, 用于接收终端上报的测量结果。 第二接收模块 23用于接 收 CoMP服务小区确定出的 CoMP measurement set, 还可进一步接收 CoMP服务小区确定出的 CoMP measurement set内的 CSI测量配置信息。
进一步的, 如图 12C所示, 该网络设备二还可包括测量模块 31、 接 收模块 32和 CoMP决策模块 33。测量配置模块 31用于配置终端执行基 于 CSR或 CSI-RS的 RSRP/RSRQ测量, 还可进一步根据 CoMP决策模 块 33确定出的 CoMP measurement set, 配置终端执行 CSI测量。 进一步 的, CoMP决策模块 33可根据终端上报的 RSRP/RSRQ测量结果确定 CoMP measurement set, 以及该 CoMP measurement set内用于进行 CSI 测量的配置信息。 接收模块 32用于接收终端上报的测量结果。 参见图 13, 为本发明实施例提供的网络设备三的结构示意图。 该网 络设备可作为本地节点簇内的传输点, 应用于多点协作传输过程, 管理 终端的 CoMP服务小区。 该网络设备可包括: 第一收发信机 1301 , 用于 接收 CoMP辅助节点通过小区间接口发送来的辅助信息, 所述辅助信息 用于辅助本设备进行 CoMP决策。
图 13所示网络设备中还可包括第一处理器 1302, 用于根据第一收 发信机 1301接收到的辅助信息进行 CoMP决策, 包括确定 CoMP协作 集合和 CoMP算法, 以及进一步确定 CoMP传输点等; 第一收发信机 1301 ,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
具体的, 所述辅助信息包括以下内容之一:
- 终端上报的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识, 以 及终端上报的 CoMP测量集合内的 CSI测量结果,其中,所述 RSRP 或 /和 RSRQ的测量结果及其对应的小区标识用于辅助所述 CoMP服 务小区确定 CoMP测量集合, 所述 CoMP测量集合内的 CSI测量结 果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法;
- 终端上报的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识, 所 述 RSRP或 /和 RSRQ的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合;
- CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合, 以及终端上 的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用 于辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结 果, 所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服 务小区确定 CoMP协作集合和 CoMP算法;
- CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合, 所述 CoMP测量集合 用于辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量 结果, 或者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合 内的 SRS检测结果;
- 终端上报的 CoMP测量集合内的 CSI测量结果, 所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作 集合和 CoMP算法。 在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识,以及 CoMP测量集合内的 CSI测量结果的情况下,第一处理器 1302 根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果及其对 应的小区标识, 确定 CoMP 测量集合或确定 CoMP 测量集合以及该 CoMP测量集合内进行 CSI测量的测量配置信息, 并通过所述 CoMP辅 助节点配置终端根据所述 CoMP测量集合进行 CSI测量; 以及, 根据所 述 CoMP辅助节点转发来的 CoMP 测量集合内的 CSI 测量结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识的情况下, 第一处理器 1302根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集 合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量的测量 配置信息, 并配置终端根据所述 CoMP测量集合进行 CSI测量; 以及, 根据终端上报的 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集 合和 CoMP算法。
在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区 标识的情况下, 第一处理器 1302根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集 合; 通知所述 CoMP测量集合内的小区进行 SRS检测, 并根据 CoMP 测量集合内的小区的 SRS检测结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 CoMP测量集合以及所述 CoMP测量集合内的 CSI测量结果的情况下,第一处理器 1302根据所述 CoMP辅助节点发送 的 CoMP测量集合获取该 CoMP测量集合内的 CSI测量结果; 以及, 根 据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP 算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点根据其确定出 的 CoMP测量集合配置终端进行 CSI测量, 并在接收到终端上报的 CSI 测量结果后转发的。
在所述辅助信息包括 CoMP 测量集合的情况下, 第一处理器 1302 根据所述 CoMP辅助节点发送的 CoMP测量集合获取该 CoMP测量集合 内的 CSI测量结果; 以及, 根据 CoMP测量集合内的 CSI测量结果, 确 定 CoMP协作集合和 CoMP算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点或者所述 CoMP服务小区根据确定出的 CoMP测量集合 配置终端进行 CSI测量后, 终端测量并上报的。
在所述辅助信息包括 CoMP 测量集合的情况下, 第一处理器 1302 根据所述 CoMP辅助节点发送的 CoMP测量集合,通知所述 CoMP测量 集合内的小区进行 SRS检测; 以及,根据所述 CoMP测量集合内的小区 的 SRS检测结果确定 CoMP协作集合和 CoMP算法。
在所述辅助信息包括 CoMP测量集合内的 CSI测量结果的情况下, 第一处理器 1302根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP 协作集合和 CoMP算法; 其中, 所述 CoMP测量集合是所述 CoMP服务 小区在通知与其相邻的同频小区进行 SRS检测后,根据所述相邻的同频 小区反馈的 SRS检测结果确定出的, 所述 CSI测量结果是所述 CoMP 服务小区在确定出 CoMP测量集合,并通过所述 CoMP辅助节点配置终 端根据所述 CoMP测量集合进行 CSI测量后,所述终端发送给所述 CoMP 辅助节点, 然后由所述 CoMP辅助节点转发给 CoMP服务小区的。
上述网络设备中的第一收发信机 1301 , 根据第一处理器 1302所决 策出的 CoMP算法, 执行对应的信息交互过程, 具体交互内容同实施例 一中的相关描述, 在此不再赘述。
参见图 14, 为本发明实施例提供的网络设备四的结构示意图。 该网 络设备可作为 CoMP辅助节点(如宏基站;), 应用于多点协作传输过程。 该网络设备可包括:第二收发信机 1401 ,用于通过小区间接口,向 CoMP 服务小区发送辅助信息, 所述辅助信息用于辅助所述服务小区进行多点 协作传输 CoMP决策。 第二收发信机 1401所发送的辅助信息同前所述, 在此不再赘述。
进一步的, 图 14所示网络设备中还可包括第二处理器 1402。 第二 处理器 1402用于配置终端执行基于 CSR或 CSI-RS的 RSRP/RSRQ测量, 还可进一步根据 CoMP服务小区确定出的 CoMP measurement set配置终 端执行 SCI测量。第二收发信机 1401 ,还用于接收终端上报的测量结果, 并用于接收 CoMP服务小区确定出的 CoMP measurement set, 还可进一 步接收 CoMP服务小区确定出的 CoMP measurement set内的 CSI测量配 置信息。
进一步的, 第二处理器 1402 还用于配置终端执行基于 CSR 或 CSI-RS 的 RSRP/RSRQ 测量, 还可进一步根据确定出的 CoMP measurement set, 配置终端执行 CSI测量。 进一步的, 第二处理器 1402 还可根据终端上 的 RSRP/RSRQ测量结果确定 CoMP measurement set, 以及该 CoMP measurement set内用于进行 CSI测量的配置信息。 第二收 发信机 1401用于接收终端上报的测量结果。 需要说明的是, 上述各流程和各结构图中不是所有的步骤和模块都 是必须的, 可以根据实际的需要忽略某些步骤或模块。 各步骤的执行顺 序不是固定的, 可以根据需要进行调整。 各模块的划分仅仅是为了便于 描述采用的功能上的划分, 实际实现时, 一个模块可以分由多个模块实 现, 多个模块的功能也可以由同一个模块实现, 这些模块可以位于同一 个设备中, 也可以位于不同的设备中。 另外, 上面描述中采用 "第一"、 "第二" 仅仅为了方便区分具有同一含义的两个对象, 并不表示其有实 质的区别。
各实施例中的硬件模块可以以机械方式或电子方式实现。 例如, 一 器, 如 FPGA或 ASIC )用于完成特定的操作。 硬件模块也可以包括由 软件临时配置的可编程逻辑器件或电路(如包括通用处理器或其它可编 程处理器)用于执行特定操作。 至于具体采用机械方式, 或是采用专用 的永久性电路, 或是采用临时配置的电路(如由软件进行配置)来实现 硬件模块, 可以根据成本和时间上的考虑来决定。
本发明还提供了一种机器可读的存储介质, 存储用于使一机器执行 如本文所述方法的指令。 具体地, 可以提供配有存储介质的系统或者装 置, 在该存储介质上存储着实现上述实施例中任一实施例的功能的软件 程序代码, 且使该系统或者装置的计算机(或 CPU或 MPU )读出并执 行存储在存储介质中的程序代码。 此外, 还可以通过基于程序代码的指 令使计算机上操作的操作系统等来完成部分或者全部的实际操作。 还可 以将从存储介质读出的程序代码写到插入计算机内的扩展板中所设置 的存储器中或者写到与计算机相连接的扩展单元中设置的存储器中, 随 后基于程序代码的指令使安装在扩展板或者扩展单元上的 CPU 等来执 行部分和全部实际操作, 从而实现上述实施例中任一实施例的功能。
用于提供程序代码的存储介质实施例包括软盘、 硬盘、 磁光盘、 光 盘(如 CD-ROM、 CD-R, CD-RW、 DVD-ROM、 DVD-RAM、 DVD-RW, DVD+RW ), 磁带、 非易失性存储卡和 ROM。 可选择地, 可以由通信网 络从服务器计算机上下载程序代码。
综上所述, 权利要求的范围不应局限于以上描述的例子中的实施方 式, 而应当将说明书作为一个整体并给予最宽泛的解释。

Claims

权利要求书
1、 一种多点协作传输方法, 其特征在于, 该方法包括:
多点协作传输 CoMP服务小区接收 CoMP辅助节点通过小区间接口 发送来的辅助信息, 所述辅助信息用于辅助所述 CoMP服务小区进行 CoMP决策。
2、 如权利要求 1所述的方法, 其特征在于, 所述辅助信息包括: 终端上报的参考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ 的测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的 信道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果 及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集 合,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小 区确定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
3、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区标识, 以及 CoMP测量集 合内的 CSI测量结果的情况下, 所述方法还包括:
所述 CoMP服务小区根据所述 CoMP辅助节点转发来的 RSRP或 / 和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量的测量配置信息, 并通过所述 CoMP辅助节点配置终端根据所述 CoMP测量集合进行 CSI 测量;
所述 CoMP服务小区根据所述 CoMP辅助节点转发来的 CoMP测量 集合内的 CSI测量结果确定 CoMP协作集合和 CoMP算法;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
4、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区标识的情况下, 所述方法 还包括:
所述 CoMP服务小区根据所述 CoMP辅助节点转发来的 RSRP或 / 和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量集合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量的测量配置信息, 并配置终端根据所述 CoMP测量集合进行 CSI测量;
所述 CoMP服务小区根据终端上报的 CoMP测量集合内的 CSI测量 结果, 确定 CoMP协作集合和 CoMP算法; 所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
5、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 RSRP或 /和 RSRQ的测量结果及其对应的小区标识的情况下, 所述方法 还包括:
所述 CoMP服务小区根据所述 CoMP辅助节点转发来的 RSRP或 / 和 RSRQ的测量结果及其对应的小区标识, 确定 CoMP测量集合;
所述 CoMP服务小区通知所述 CoMP测量集合内的小区进行 SRS 检测, 并根据 CoMP测量集合内的小区的 SRS检测结果确定 CoMP协 作集合和 CoMP算法;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
6、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 CoMP测量集合以及所述 CoMP测量集合内的 CSI测量结果的情况下, 所述方法还包括:
所述 CoMP服务小区根据所述 CoMP辅助节点发送的 CoMP测量集 合获取该 CoMP测量集合内的 CSI测量结果;
所述 CoMP服务小区根据 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集合和 CoMP算法;其中,所述 CSI测量结果是在所述 CoMP 辅助节点根据其确定出的 CoMP测量集合配置终端进行 CSI测量, 并在 接收到终端上报的 CSI测量结果后转发的;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
7、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 CoMP测量集合的情况下, 所述方法还包括: 所述 CoMP服务小区根据所述 CoMP辅助节点发送的 CoMP测量集 合获取该 CoMP测量集合内的 CSI测量结果;
所述 CoMP服务小区根据 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集合和 CoMP算法;其中,所述 CSI测量结果是在所述 CoMP 辅助节点或者所述 CoMP服务小区根据确定出的 CoMP测量集合配置终 端进行 CSI测量后, 终端测量并上 的;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
8、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 CoMP测量集合的情况下, 所述方法还包括:
所述 CoMP服务小区根据所述 CoMP辅助节点发送的 CoMP测量集 合, 通知所述 CoMP测量集合内的小区进行 SRS检测;
所述 CoMP服务小区根据所述 CoMP测量集合内的小区的 SRS检测 结果确定 CoMP协作集合和 CoMP算法;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
9、 如权利要求 2 所述的方法, 其特征在于, 在所述辅助信息包括 CoMP测量集合内的 CSI测量结果的情况下, 所述方法还包括:
所述 CoMP服务小区根据 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集合和 CoMP算法;其中,所述 CoMP测量集合是所述 CoMP 服务小区在通知与其相邻的同频小区进行 SRS检测后,根据所述相邻的 同频小区反馈的 SRS 检测结果确定出的, 所述 CSI 测量结果是所述 CoMP服务小区在确定出 CoMP测量集合, 并通过所述 CoMP辅助节点 配置终端根据所述 CoMP测量集合进行 CSI测量后, 所述终端发送给所 述 CoMP辅助节点,然后由所述 CoMP辅助节点转发给 CoMP服务小区 的;
所述 CoMP服务小区根据所述 CoMP协作集合和 CoMP算法,与参 与 CoMP的其它小区交互 CoMP信息。
10、 如权利要求 3至 9任一项所述的方法, 其特征在于,
若 CoMP算法为下行联合传输 /动态节点选择 DL JT/DPS, 则所述 CoMP信息至少包括以下一种:
CoMP服务小区向 CoMP协作集合内其它传输点发送的需要在物理 层传输的比特流以及该比特流传输使用的时频资源;
CoMP服务小区向 CoMP协作集合内其它传输点指示的物理下行共 享信道 PDSCH起始符号位置;
若 CoMP算法为下行协同调度 /波束赋形 DL CS/CB, 则所述 CoMP 信息至少包括以下一种:
波束赋形参考信息;
协同调度时各个传输点之间的时间信息;
协同调度时各个传输点之间的频率资源的协调信息;
若 CoMP算法为上行联合接收 UL JR, 则所述 CoMP信息至少包括 以下一种:
CoMP服务小区向 CoMP接收点发送的物理上行共享信道 PUSCH 接收的时频资源信息;
CoMP接收点向 CoMP服务小区反馈的接收到的比特信息, 以用于 接收合并;
若 CoMP 算法为上行联合传输 /动态节点选择 UL CS/CB, 则所述 CoMP信息至少包括以下一种:
CoMP服务小区和 CoMP协作集合内参与 CoMP的其它小区交互的 波束赋形信息; CoMP服务小区和 CoMP协作集合内参与 CoMP的其它小区交互的 各个小区上的时频资源协调信息。
11、 一种多点协作传输方法, 其特征在于, 该方法包括:
多点协作传输 CoMP辅助节点通过小区间接口, 向 CoMP服务小区 发送辅助信息, 所述辅助信息用于辅助所述 CoMP服务小区进行 CoMP 决策。
12、 如权利要求 11所述的方法, 其特征在于, 所述辅助信息包括: 终端上报的参考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ 的测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的 信道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果 及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集 合,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小 区确定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
13、 一种网络设备, 其特征在于, 所述网络设备包括:
接收模块, 用于接收多点协作传输 CoMP辅助节点通过小区间接口 发送来的辅助信息, 所述辅助信息用于辅助本设备进行 CoMP决策。
14、如权利要求 13所述的网络设备, 其特征在于, 所述辅助信息包 括:
终端上报的参考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ 的测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的 信道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果 及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集 合,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小 区确定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者 CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
15、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 RSRP或 /和 RSRQ 的测量结果及其对应的小区标识, 以及 CoMP测量集合内的 CSI测量结 果的情况下,根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测 量结果及其对应的小区标识,确定 CoMP测量集合或确定 CoMP测量集 合以及该 CoMP测量集合内进行 CSI测量的测量配置信息, 并通过所述 CoMP辅助节点配置终端根据所述 CoMP测量集合进行 CSI测量; 根据 所述 CoMP辅助节点转发来的 CoMP测量集合内的 CSI测量结果确定 CoMP协作集合和 CoMP算法;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
16、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 RSRP或 /和 RSRQ 的测量结果及其对应的小区标识的情况下, 根据所述 CoMP辅助节点转 发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP 测量集合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量 的测量配置信息, 并配置终端根据所述 CoMP测量集合进行 CSI测量; 根据终端上报的 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集 合和 CoMP算法;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
17、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 RSRP或 /和 RSRQ 的测量结果及其对应的小区标识的情况下, 根据所述 CoMP辅助节点转 发来的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP 测量集合; 通知所述 CoMP测量集合内的小区进行 SRS检测, 并根据 CoMP测量集合内的小区的 SRS检测结果确定 CoMP协作集合和 CoMP 算法;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
18、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 CoMP测量集合以 及所述 CoMP测量集合内的 CSI测量结果的情况下,根据所述 CoMP辅 助节点发送的 CoMP测量集合获取该 CoMP测量集合内的 CSI测量结 果; 根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点根据其 确定出的 CoMP测量集合配置终端进行 CSI测量, 并在接收到终端上报 的 CSI测量结果后转发的; 所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
19、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 CoMP测量集合的 情况下, 根据所述 CoMP辅助节点发送的 CoMP测量集合获取该 CoMP 测量集合内的 CSI测量结果; 根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点或者所述 CoMP服务小区根据确定出的 CoMP测量集合 配置终端进行 CSI测量后, 终端测量并上 的;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
20、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 CoMP测量集合的 情况下, 根据所述 CoMP辅助节点发送的 CoMP测量集合, 通知所述 CoMP测量集合内的小区进行 SRS检测;根据所述 CoMP测量集合内的 小区的 SRS检测结果确定 CoMP协作集合和 CoMP算法;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
21、如权利要求 14所述的网络设备, 其特征在于, 所述网络设备还 包括 CoMP决策模块和 CoMP信息交互模块;
所述 CoMP决策模块, 用于在所述辅助信息包括 CoMP测量集合内 的 CSI测量结果的情况下, 根据 CoMP测量集合内的 CSI测量结果, 确 定 CoMP协作集合和 CoMP算法; 其中, 所述 CoMP测量集合是所述 CoMP服务小区在通知与其相邻的同频小区进行 SRS检测后,根据所述 相邻的同频小区反馈的 SRS检测结果确定出的,所述 CSI测量结果是所 述 CoMP服务小区在确定出 CoMP测量集合,并通过所述 CoMP辅助节 点配置终端根据所述 CoMP测量集合进行 CSI测量后,所述终端发送给 所述 CoMP辅助节点,然后由所述 CoMP辅助节点转发给 CoMP服务小 区的;
所述 CoMP信息交互模块, 用于根据所述 CoMP协作集合和 CoMP 算法, 与参与 CoMP的其它小区交互 CoMP信息。
22、 如权利要求 15至 21任一项所述的网络设备, 其特征在于, 若 CoMP算法为下行联合传输 /动态节点选择 DL JT/DPS, 则所述 CoMP信息交互模块交互的信息至少包括以下一种:
向 CoMP协作集合内其它传输点发送的需要在物理层传输的比特流 以及该比特流传输使用的时频资源;
向 CoMP协作集合内其它传输点指示的物理下行共享信道 PDSCH 起始符号位置;
若 CoMP算法为下行协同调度 /波束赋形 DL CS/CB, 则所述 CoMP 信息交互模块交互的信息至少包括以下一种:
波束赋形参考信息;
协同调度时各个传输点之间的时间信息;
协同调度时各个传输点之间的频率资源的协调信息;
若 CoMP算法为上行联合接收 UL JR, 则所述 CoMP信息交互模块 交互的信息至少包括以下一种:
向 CoMP接收点发送的物理上行共享信道 PUSCH接收的时频资源 信息;
CoMP接收点向 CoMP服务小区反馈的接收到的比特信息, 以用于 接收合并;
若 CoMP 算法为上行联合传输 /动态节点选择 UL CS/CB, 则所述
CoMP信息交互模块交互的信息至少包括以下一种:
与 CoMP协作集合内参与 CoMP的其它小区交互的波束赋形信息; 与 CoMP协作集合内参与 CoMP的其它小区交互的各个小区上的时 频资源协调信息。
23、 一种网络设备, 其特征在于, 所述网络设备包括:
发送模块, 用于通过小区间接口, 向多点协作传输 CoMP服务小区 发送辅助信息, 所述辅助信息用于辅助所述 CoMP服务小区进行 CoMP 决策。
24、如权利要求 23所述的网络设备, 其特征在于, 所述发送模块发 送的所述辅助信息包括:
终端上报的考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ的 测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的信 道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果及 其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合, 所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确 定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
25、 一种网络设备, 其特征在于, 所述网络设备包括:
接收模块, 用于接收多点协作传输 CoMP辅助节点通过小区间接口 发送来的辅助信息, 所述辅助信息用于辅助本设备进行 CoMP决策。
26、如权利要求 25所述的网络设备, 其特征在于, 所述辅助信息包 括:
终端上报的参考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ 的测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的 信道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果 及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集 合,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小 区确定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
27、如权利要求 26所述的网络设备, 其特征在于, 所述网络设备还 包括第一处理器;
所述第一处理器,用于在所述辅助信息包括 RSRP或 /和 RSRQ的测 量结果及其对应的小区标识, 以及 CoMP测量集合内的 CSI测量结果的 情况下,根据所述 CoMP辅助节点转发来的 RSRP或 /和 RSRQ的测量结 果及其对应的小区标识,确定 CoMP测量集合或确定 CoMP测量集合以 及该 CoMP测量集合内进行 CSI测量的测量配置信息,并通过所述 CoMP 辅助节点配置终端根据所述 CoMP测量集合进行 CSI测量; 根据所述 CoMP辅助节点转发来的 CoMP测量集合内的 CSI测量结果确定 CoMP 协作集合和 CoMP算法;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
28、如权利要求 26所述的网络设备, 其特征在于, 所述网络设备还 包括第一处理器;
所述第一处理器,用于在所述辅助信息包括 RSRP或 /和 RSRQ的测 量结果及其对应的小区标识的情况下, 根据所述 CoMP辅助节点转发来 的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量 集合或确定 CoMP测量集合以及该 CoMP测量集合内进行 CSI测量的测 量配置信息, 并配置终端根据所述 CoMP测量集合进行 CSI测量; 根据 终端上报的 CoMP测量集合内的 CSI测量结果,确定 CoMP协作集合和 CoMP算法;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
29、如权利要求 26所述的网络设备,其特征在于所述网络设备还包 括第一处理器;
所述第一处理器,用于在所述辅助信息包括 RSRP或 /和 RSRQ的测 量结果及其对应的小区标识的情况下, 根据所述 CoMP辅助节点转发来 的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,确定 CoMP测量 集合; 通知所述 CoMP测量集合内的小区进行 SRS检测, 并根据 CoMP 测量集合内的小区的 SRS检测结果确定 CoMP协作集合和 CoMP算法; 所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
30、如权利要求 26所述的网络设备,其特征在于所述网络设备还包 括第一处理器;
所述第一处理器, 用于在所述辅助信息包括 CoMP测量集合以及所 述 CoMP测量集合内的 CSI测量结果的情况下,根据所述 CoMP辅助节 点发送的 CoMP测量集合获取该 CoMP测量集合内的 CSI测量结果;根 据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP 算法; 其中, 所述 CSI测量结果是在所述 CoMP辅助节点根据其确定出 的 CoMP测量集合配置终端进行 CSI测量, 并在接收到终端上报的 CSI 测量结果后转发的;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
31、如权利要求 26所述的网络设备,其特征在于所述网络设备还包 括第一处理器;
所述第一处理器, 用于在所述辅助信息包括 CoMP测量集合的情况 下,根据所述 CoMP辅助节点发送的 CoMP测量集合获取该 CoMP测量 集合内的 CSI测量结果; 根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP算法;其中,所述 CSI测量结果是在所述 CoMP 辅助节点或者所述 CoMP服务小区根据确定出的 CoMP测量集合配置终 端进行 CSI测量后, 终端测量并上 的;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
32、如权利要求 26所述的网络设备,其特征在于所述网络设备还包 括第一处理器;
所述第一处理器, 用于在所述辅助信息包括 CoMP测量集合的情况 下, 根据所述 CoMP辅助节点发送的 CoMP测量集合, 通知所述 CoMP 测量集合内的小区进行 SRS检测;根据所述 CoMP测量集合内的小区的 SRS检测结果确定 CoMP协作集合和 CoMP算法;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
33、如权利要求 26所述的网络设备,其特征在于所述网络设备还包 括第一处理器;
所述第一处理器, 用于在所述辅助信息包括 CoMP 测量集合内的 CSI测量结果的情况下, 根据 CoMP测量集合内的 CSI测量结果, 确定 CoMP协作集合和 CoMP算法;其中,所述 CoMP测量集合是所述 CoMP 服务小区在通知与其相邻的同频小区进行 SRS检测后,根据所述相邻的 同频小区反馈的 SRS 检测结果确定出的, 所述 CSI 测量结果是所述 CoMP服务小区在确定出 CoMP测量集合, 并通过所述 CoMP辅助节点 配置终端根据所述 CoMP测量集合进行 CSI测量后, 所述终端发送给所 述 CoMP辅助节点,然后由所述 CoMP辅助节点转发给 CoMP服务小区 的;
所述第一收发信机,还用于根据所述 CoMP协作集合和 CoMP算法, 与参与 CoMP的其它小区交互 CoMP信息。
34、 如权利要求 27至 33任一项所述的网络设备, 其特征在于, 若 CoMP算法为下行联合传输 /动态节点选择 DL JT/DPS,则所述第 一收发信机交互的信息至少包括以下一种:
向 CoMP协作集合内其它传输点发送的需要在物理层传输的比特流 以及该比特流传输使用的时频资源;
向 CoMP协作集合内其它传输点指示的物理下行共享信道 PDSCH 起始符号位置;
若 CoMP算法为下行协同调度 /波束赋形 DL CS/CB, 则所述第一收 发信机交互的信息至少包括以下一种:
波束赋形参考信息;
协同调度时各个传输点之间的时间信息;
协同调度时各个传输点之间的频率资源的协调信息;
若 CoMP算法为上行联合接收 UL JR, 则所述第一收发信机交互的 信息至少包括以下一种:
向 CoMP接收点发送的物理上行共享信道 PUSCH接收的时频资源 信息;
CoMP接收点向 CoMP服务小区反馈的接收到的比特信息, 以用于 接收合并;
若 CoMP算法为上行联合传输 /动态节点选择 UL CS/CB , 则所述第 一收发信机交互的信息至少包括以下一种:
与 CoMP协作集合内参与 CoMP的其它小区交互的波束赋形信息; 与 CoMP协作集合内参与 CoMP的其它小区交互的各个小区上的时 频资源协调信息。
35、 一种网络设备, 其特征在于, 所述网络设备包括:
第二收发信机, 用于通过小区间接口, 向多点协作传输 CoMP服务 小区发送辅助信息, 所述辅助信息用于辅助所述 CoMP服务小区进行 CoMP决策。
36、如权利要求 35所述的网络设备, 其特征在于, 所述第二收发信 机发送的所述辅助信息包括:
终端上报的考信号接收功率 RSRP或 /和参考信号接收质量 RSRQ的 测量结果及其对应的小区标识, 以及终端上报的 CoMP测量集合内的信 道状态导频 CSI测量结果,其中,所述 RSRP或 /和 RSRQ的测量结果及 其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合, 所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确 定 CoMP协作集合和 CoMP算法; 或者
终端上 4艮的 RSRP或 /和 RSRQ的测量结果及其对应的小区标识,所 述 RSRP 或 /和 RSRQ 的测量结果及其对应的小区标识用于辅助所述 CoMP服务小区确定 CoMP测量集合; 或者 CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP 测量集合, 以及终端上报的所述 CoMP测量集合内的 CSI测量结果, 其中, 所述 CoMP测量集合用于辅 助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合和 CoMP算法; 或者
CoMP辅助节点根据终端上报的 RSRP或 /和 RSRQ的测量结果及其 对应的小区标识所确定出的 CoMP测量集合,所述 CoMP测量集合用于 辅助所述 CoMP服务小区获取该 CoMP测量集合内的 CSI测量结果,或 者用于辅助所述 CoMP服务小区获取所述 CoMP测量集合内的测量参考 信号 SRS检测结果; 或者
终端上报的 CoMP测量集合内的 CSI测量结果,所述 CoMP测量集 合内的 CSI测量结果用于辅助所述 CoMP服务小区确定 CoMP协作集合 和 CoMP算法。
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