WO2018082497A1 - Procédé et dispositif de traitement d'informations spatiales, et nœud de transmission et support de stockage - Google Patents

Procédé et dispositif de traitement d'informations spatiales, et nœud de transmission et support de stockage Download PDF

Info

Publication number
WO2018082497A1
WO2018082497A1 PCT/CN2017/107786 CN2017107786W WO2018082497A1 WO 2018082497 A1 WO2018082497 A1 WO 2018082497A1 CN 2017107786 W CN2017107786 W CN 2017107786W WO 2018082497 A1 WO2018082497 A1 WO 2018082497A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
spatial information
transmission node
codebook
node
Prior art date
Application number
PCT/CN2017/107786
Other languages
English (en)
Chinese (zh)
Inventor
张楠
肖华华
李儒岳
鲁照华
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018082497A1 publication Critical patent/WO2018082497A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity 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
    • H04B7/0615—Diversity 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
    • H04B7/0619—Diversity 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
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and device for processing spatial information, a transmission node, and a storage medium.
  • CoMP Coordinated Multi-Point
  • the CoMP technology is coordinated by multiple neighboring base stations or nodes to suppress the co-channel interference of the neighboring cells received by the cell edge users, thereby improving the service quality of the edge users.
  • CoMP technology is mainly divided into three types: Joint Transmission (JT), Dynamic Node Selection or Dynamic Point Blanking (DPS/DPB), and Coordinated Scheduling Coordinated. Beamforming, CSCB).
  • the embodiments of the present invention provide a method and a device for processing spatial information, a transmission node, and a storage medium, which solve the problem that the interference between the base stations is more dynamic due to the introduction of the hybrid beamforming, thereby causing the base station to be caused.
  • the problem of measurement, optimization and scheduling difficulty of inter-interference can greatly enhance the ability of adaptive scheduling or coordinated scheduling of central nodes between various base stations, thereby improving the overall performance of the system.
  • An embodiment of the present invention provides a method for processing spatial information, where the method includes:
  • the first transmission node sends the first spatial information to the second transmission node by using the transmission node interface, where the first spatial information is spatial information reported by the first transmission node, or the first spatial information is used to indicate the second transmission node.
  • the spatial information is configured according to the first spatial information.
  • An embodiment of the present invention provides a method for processing spatial information, where the method includes:
  • the second transmission node receives the first spatial information sent by the first transmission node, where the first spatial information is used to determine current spatial information of the first transmission node or the first spatial information is used according to the first
  • the spatial information configures spatial information of the second transmission node.
  • An embodiment of the present invention provides a spatial information processing apparatus, where the apparatus includes:
  • the first sending module is configured to send the first spatial information to the second transit node by using the transport node interface, where the first spatial information is spatial information reported by the first transit node or the first spatial information is used to indicate The second transit node performs spatial information configuration according to the first spatial information;
  • the first receiving module is configured to receive feedback information about the first spatial information sent by the second transmitting node.
  • An embodiment of the present invention provides a spatial information processing apparatus, where the apparatus includes:
  • a second receiving module configured to receive the first spatial information sent by the first transit node, The first spatial information is used to determine current spatial information of the first transmission node or the first spatial information is used to configure spatial information of the second transmission node according to the first spatial information;
  • the second sending module is configured to send feedback information about the first spatial information to the first transmitting node.
  • Embodiments of the present invention provide a transport node, including a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor implements the spatial information processing method when the program is executed.
  • An embodiment of the present invention provides a computer readable storage medium having stored thereon a computer program, wherein the computer program is executed by a processor to implement the above-described spatial information processing method.
  • the embodiment of the present invention provides a method and a device for processing spatial information, a transmission node, and a storage medium, where the method includes: the first transmission node sends the first spatial information to the second transmission node by using the transmission node interface, where The first spatial information is spatial information reported by the first transit node or the first spatial information is used to instruct the second transit node to perform spatial information configuration according to the first spatial information.
  • the ability of adaptive scheduling between the various transmission nodes or the coordinated scheduling of the central node can be enhanced, thereby improving the overall performance of the system.
  • FIG. 1 is a schematic flowchart of implementing a method for processing spatial information according to Embodiment 2 of the present invention
  • FIG. 2 is a schematic flowchart of an implementation process of a method for processing spatial information according to Embodiment 3 of the present invention
  • 3-1 is a schematic diagram of an X2 interface between base stations according to an embodiment of the present invention.
  • 3-3 is a schematic diagram of a base station 2 configuring its own transmission mode according to spatial information according to an embodiment of the present invention
  • 3-4 is a schematic diagram of a topology structure of a multi-base station coordinated by a control center according to Embodiment 4 of the present invention
  • 3-5 are schematic flowcharts of implementing another method for processing spatial information according to Embodiment 4 of the present invention.
  • FIG. 4 is a schematic structural diagram of a structure of a spatial information processing apparatus according to Embodiment 5 of the present invention.
  • FIG. 5 is a schematic structural diagram of a structure of a spatial information processing apparatus according to Embodiment 6 of the present invention.
  • the transmission node includes, but is not limited to, a macro base station, a micro base station, a pico base station, a home base station, a wireless remote unit, a relay, a wireless hotspot, and the like for the wireless transmission system device.
  • the inter-transport node interface includes but is not limited to the X2 interface in Long Term Evolution (LTE), and may also be an interface for transmitting signaling, information, and data between the transmission node and the transmission node defined by other standards.
  • LTE Long Term Evolution
  • Some concepts of spatial information in this embodiment may refer to various types of protocols in long-term evolution, such as TS36.211, TS36.212, and TS36.213, but are not limited to long-term evolution protocols, but may also be in other protocols.
  • the same related concept or name The related concepts of the codebook are as follows:
  • the codebook of LTE is also evolving with the evolution of the standard version.
  • the 4-antenna codebook and the 2-antenna codebook are all in the form of single codewords, only one precoding.
  • PMI Precoding Matrix Indication
  • i 1, . . . , N 11
  • N 11 is the number of code words.
  • Each group includes M 1 candidate beams.
  • the user selects a group index of N 11 groups and feeds back to the base station.
  • This feedback is generally quantized by PMI 1 .
  • the codewords before R12 are for 1D (Dimension, D) antenna arrays, belonging to 1D codewords.
  • D Discrete Fourier Transform
  • the topology of the antenna is also generally planar, that is, the antenna with two dimensions is designed with 2D code words.
  • each beam in the first codebook W 1 has a form of two-dimensional form
  • v m and u n are Discrete Fourier Transform (DFT) of the first dimension and the second dimension, respectively.
  • DFT Discrete Fourier Transform
  • the codebook of the second dimension of the first codebook is represented by PMI 12
  • its value is i 12 1,...,N 12
  • each configuration comprising M 1 codewords in a codebook set, such as a configuration in which the combination of the following, where I '22 in the index i.e. a specific PMI.
  • the configuration command generally has a high-level signaling codebook configuration signaling (Codebook Config) configured to the user, and the signaling includes four possible values, namely configuration (Config, Config) 1, Config2, Config3, and Config4. .
  • the code word of 12 > 1 becomes a 2D code word. If it is a 1D codeword and the single codeword structure is represented by PMI or i, if it is a 1D codeword and is represented by PMI 1 and PMI 2 in a double codeword structure, the index is represented by i 1 /i 2 together, if 2D codeword with PMI 11, PMI 12, PMI 2 together represent three yards or codebook index 12, i 2 collectively denoted by the index i 11, i.
  • the port in the present invention may also be an antenna, a transmission unit, a receiving unit, an array, and the like.
  • the concept of the downloadable codebook includes but is not limited to: the starting time-frequency resource location of the codebook data resource, Whether the size of the codebook matrix, the CSI associated with the codebook data resource is a complete CSI; wherein, if the CSI associated with the codebook data resource is a partial CSI, the downloadable codebook parameter further includes the codebook data Resource-associated CSI information, associated precoding indication information, amplitude information, and phase information.
  • This embodiment provides an embodiment of channel information quantization feedback.
  • This embodiment provides a channel information quantization feedback method based on a downloadable codebook.
  • the so-called downloadable codebook that is, the base station enumerates each element of the CSI in which it is interested to form a large codebook matrix, and transmits the codebook matrix to the terminal by means of line data transmission, and the terminal calculates the CSI according to the codebook after downloading.
  • the specific implementation of the downloadable codebook is:
  • Step 1 The first transmission node configures a codebook matrix for the second transmission node according to the spatial information reported by the second transmission node, mainly the antenna configuration information, the bearer capability, and the like, and supports the codebook type, including the protocol codebook, and can be downloaded.
  • the codebook or both are supported.
  • configuring a codebook parameter of the second transmission node when the downloadable codebook is supported for example, the codebook data resource information includes a starting time-frequency resource location of the codebook data resource, a size of the codebook matrix, and a CSI associated with the codebook data resource. Whether it is full CSI, if it is part of CSI, which part of CSI is associated, associated with precoding indication information, or amplitude or phase information.
  • Step 2 The second transmission node sends the received codebook matrix from the first transmission node to the terminal through the downlink data channel, and the terminal receives the codebook matrix sent by the second transmission node according to the configuration.
  • Step 3 The terminal feeds back the corresponding CSI from the received codebook matrix to the second transmission node according to the configuration of the second transmission node, the received codebook matrix, and the result of the channel measurement. If the second transport node is configured with the terminal fully fed CSI through the downloadable codebook, then all CSI The information is calculated by the downloadable codebook; if the second transmission node is configured to pass the downloadable codebook feedback part CSI, the terminal calculates the part of the CSI to which the codebook data resource is associated by using the downloadable codebook, for example, a precoding indication Information, amplitude information, phase information, etc., other CSIs perform codebook feedback according to the protocol.
  • a precoding indication Information for example, a precoding indication Information, amplitude information, phase information, etc., other CSIs perform codebook feedback according to the protocol.
  • Step 4 The second transmitting node determines a corresponding precoding weight according to the CSI fed back by the terminal.
  • the first transmitting node configures a codebook matrix for the second transmitting node according to the spatial information reported by the second transmitting node, and the second transmitting node sends the received codebook matrix to a terminal, the terminal, according to the configuration of the second transmission node downloadable codebook, the received codebook matrix, and the channel measurement data, feeding back corresponding CSI from the received codebook matrix to the second transmission node, where
  • the second transmitting node determines a corresponding precoding weight according to the CSI fed back by the terminal, so that the effective scheduling of the resource system can be completed between the first transmitting node and the second transmitting node, and the first transmitting node and the
  • the interference between the second transmission nodes increases the flexibility of the wireless communication system, thereby optimizing system performance.
  • FIG. 1 is a schematic flowchart of a method for processing spatial information according to Embodiment 2 of the present invention. As shown in FIG. 1 , the method includes:
  • Step S101 The first transit node sends the first spatial information to the second transit node by using the transit node interface.
  • the first spatial information is spatial information reported by the first transit node
  • the first spatial information may be further used to instruct the second transit node to perform spatial information configuration according to the first spatial information.
  • the method further includes: the first transmission node receives spatial information of the second transmission node sent by the second transmission node, and then, the first transmission node is configured according to the space reported by the second transmission node.
  • the information and the spatial information of the first transmission node are spatial information set by the second transmission node, and then the set spatial information is used as the first spatial information.
  • the transmission node interface may be an X2 interface specified in the existing LTE, or may be another interface having similar functions in other protocols.
  • the first spatial information includes at least one of the following: beam information, codebook information, antenna configuration information, reference signal information, channel information, and auxiliary information. among them:
  • the beam information includes at least one of a beamforming type and a beam characteristic; wherein:
  • the beamforming type parameter includes one of the following: digital shaping, model shaping, and hybrid beamforming;
  • the beam characteristic parameter includes one of the following: a beam direction, a beam type, a number of beams, a beam level, a beam width, and a beam limiting parameter;
  • the codebook information includes at least one of a codebook type, a codebook dimension, a codebook generation parameter, and a downloadable codebook parameter; wherein:
  • the codebook type includes one of the following: a one-dimensional codebook, a two-dimensional codebook, a Class-A codebook, a Class-B codebook, a linear combination codebook, a downloadable codebook, and a non-linear codebook;
  • the codebook dimension includes one of the following: a number of rows of the codebook, and a number of columns;
  • the codebook generation parameter includes one of the following: a first dimension antenna number, a second dimension antenna number, an antenna polarization mode, a first dimension oversampling factor, a second dimension oversampling factor, and a first dimension antenna spacing. , second dimension antenna spacing, codebook limit parameters;
  • the antenna configuration information includes at least one of an antenna type, an antenna topology, antenna practical information, and antenna auxiliary information; wherein:
  • the antenna type includes one of the following: an omnidirectional antenna, a directional antenna, an array antenna, and a panel antenna;
  • the antenna topology includes one of the following: an antenna or a number of panels, a placement mode, a polarization mode, an antenna or a tablet spacing;
  • the antenna auxiliary information Including one of the following: whether the antenna is calibrated, whether the antenna has reciprocity;
  • the reference signal information includes at least one of channel state information (CSI) measurement reference signal information, interference measurement reference signal information, data demodulation reference signal information, and a quasi-co-location relationship configuration between reference signals.
  • CSI channel state information
  • the CSI measurement reference signal information includes one of: a type of reference information, a number of resources of a CSI measurement reference signal, an available CSI measurement reference signal resource index, an available CSI measurement reference signal resource group index, and a CSI measurement reference signal.
  • the type of the reference information includes one of the following: a Class-A type, a Class-B type, a mixed type of Class-A and Class-B;
  • the periodic information of the CSI measurement reference signal includes one of the following: periodic, aperiodic, semi-deterministic, and corresponding activation-inactivation indication, period length;
  • the CSI information feedback mode includes one of the following: a broadband feedback mode and a narrowband feedback mode;
  • the interference measurement reference signal information includes one of the following: an available interference measurement reference signal resource index, an available interference measurement reference signal resource group index, an interference measurement reference signal resource division, a measurement restriction type, a measurement restriction configuration, and interference feedback. Type; where:
  • the measurement restriction type includes one of the following: a time domain restriction, a frequency domain restriction, and an airspace restriction;
  • the interference feedback type includes one of the following: displaying a feedback interference channel, an implicit feedback channel quality indication (CQI), and a PMI;
  • the data demodulation reference signal information includes one of the following: an available data demodulation reference signal index; a data demodulation reference signal mode, and a resource demodulation reference signal occupying a resource distribution; wherein:
  • the data demodulation reference signal mode includes one of: a single layer mode or a multi-layer mode, a periodic mode, or an aperiodic mode;
  • the quasi-co-location relationship configuration between the reference signals includes one of: whether the CSI measurement reference signals are quasi-co-locations, whether the CSI measurement reference signals and the data demodulation reference signals are quasi-co-locations, Whether the data demodulation reference signal is a quasi-co-location;
  • the channel information includes one of the following: at least one of a channel feedback type, a channel feedback granularity, and channel feedback information; wherein:
  • the channel feedback type includes one of the following: a display feedback type, and an implicit feedback type;
  • the channel feedback granularity includes one of the following: narrowband feedback granularity, wideband feedback granularity;
  • the channel feedback information includes one of the following: CQI, PMI, Rank Indication (RI), channel matrix, channel covariance matrix, channel feature vector;
  • the auxiliary information includes at least one of a transmission node carrying capacity, load information, user information served by the transmitting node, and frequency information of the transmitting node; wherein:
  • the user information served by the transit node includes one of the following: a user location, a service type, and a quality of service (QoS).
  • the first transmitting node completes configuration of spatial information of the second transmitting node by transmitting the first spatial information.
  • the configuration of the spatial information of the second transmission node is generated by at least one central control unit, wherein the central control unit is an independent control node or a transmission node.
  • the first transmission node and the second transmission node belong to at least one of the following scenarios: controlled by the same central control node, belonging to the same type of network, belonging to different types of networks.
  • the first transmission node is a base station belonging to an LTE network
  • the second transmission node is a base station under a Wideband Code Division Multiple Access (WCDMA) network
  • WCDMA Wideband Code Division Multiple Access
  • Step S102 the first transmitting node receives the pair sent by the second transmitting node. Feedback information of a spatial information
  • the feedback information is spatial information and the second transmission reported by the second transmission node according to the first transmission node.
  • the spatial information of the node itself is spatial information set by the first transmission node.
  • the feedback information is used to indicate whether the second transmission node follows the first spatial information.
  • the second transmission node may not configure its own spatial information according to the first spatial information.
  • the feedback information is used to indicate that the transmission node does not configure its own spatial information according to the first spatial information.
  • the second transmission node configures its own spatial information according to the first spatial information, because the first spatial information is the first transmission node according to the first transmission node.
  • the spatial information previously reported by the second transmission node is spatial information set by the second transmission node, and if the second transmission node receives the first spatial information, the current space of the second transmission node The information is different from the spatial information previously reported to the first transit node, and the configuration may fail when the second transit node configures its own spatial information according to the first spatial information.
  • the feedback information is used to represent result information of the configuration failure when the second transmission node configures its own spatial information according to the first spatial information.
  • the second transmission node receives the first spatial information
  • the current spatial information of the second transmission node is the same as the spatial information previously reported to the first transmission node, and then the second transmission node follows The first spatial information enters its own spatial information The configuration was successful when the line was configured.
  • the feedback information is used to represent result information of successful configuration when the second transmission node configures its own spatial information according to the first spatial information.
  • the first spatial information is sent by the first transmission node to the second transmission node by using the transmission node interface, where the first spatial information is the spatial information reported by the first transmission node or the first space.
  • the information is used to instruct the second transit node to perform spatial information configuration according to the first spatial information. It can enhance the ability of adaptive scheduling between various base stations or coordinated scheduling of central nodes, thereby improving the overall performance of the system.
  • FIG. 2 is a schematic flowchart of a method for processing spatial information according to Embodiment 3 of the present invention. As shown in FIG. 2, the method includes:
  • Step S201 The first transit node sends the first spatial information to the second transit node by using the transit node interface.
  • the transmission nodes described in the embodiments of the present invention and other embodiments include, but are not limited to, a base station, a macro base station, a micro base station, a very small pico base station (Pico), a transmission hotspot, a wireless relay, and the like;
  • the first spatial information is spatial information reported by the first transit node or the first spatial information is used to instruct the second transit node to perform spatial information configuration according to the first spatial information.
  • Step S202 the second transmission node receives and parses the first spatial information, and obtains data in the first spatial information.
  • the second transmission node determines the current spatial information of the first transmission node according to the first spatial information, or the second transmission node configures the space of the second transmission node according to the first spatial information. information.
  • the first spatial information carries an identifier information, where the identifier information is used to indicate whether the first spatial information is spatial information of the first transmission node, or is used to indicate that the second transit node is in accordance with the
  • the first spatial information performs spatial information of the spatial information.
  • Step S203 the second transmission node judges according to the identification information in the first spatial information. Determining whether the first spatial information is the spatial information of the first transmission node reported by itself; if yes, proceeding to step S204, otherwise proceeding to step S206;
  • Step S204 the second transmitting node determines, according to the data in the first spatial information, current spatial information of the first transit node;
  • the current spatial information of the first transmission node mainly includes, for example, an antenna configuration, a number of radio frequency links, and the like.
  • Step S205 the second transmission node configures spatial information of the first transmission node and spatial information of the second transmission node according to the spatial information of the first transmission node and the current spatial information of the first transmission node;
  • the second transmission node configures new spatial information for the first transmission node according to the current spatial information of the first transmission node and the current spatial information of the first transmission node, and the second transmission node is also configured according to the location.
  • the current spatial information of the first transmission node is described, and the spatial information of the first transmission node is adjusted.
  • Step S206 the second transmission node configures spatial information of the second transmission node according to the configuration information in the first spatial information.
  • Step S207 the second transmission node sends feedback information about the first spatial information to the first transmission node.
  • the feedback information is spatial information and the second transmission reported by the second transmission node according to the first transmission node.
  • the spatial information of the node itself is spatial information set by the first transmission node.
  • the feedback information is used to indicate whether the second transmission node follows the first spatial information.
  • the first transmission node sends the first spatial information to the second transmission node through the specific transmission node interface, and the second transmission node receives the first spatial information, according to the first
  • the spatial information configures its own spatial information or configuration information for setting the new spatial information for the first transmission node, so that the capability of adaptive scheduling or coordinated scheduling of the central nodes between the base stations can be enhanced, thereby improving the overall performance of the system.
  • the base stations may report or transmit or transmit the capability of the adjacent transmission nodes to perform airspace propagation through the transmission or reception of the spatial information.
  • the spatial information processing method provided by the embodiment of the present invention enables effective resource system scheduling between the base stations, further suppresses inter-station interference, improves flexibility of the wireless communication system, and optimizes system performance.
  • the transmission node in the embodiment of the present invention and other implementations may be, but not limited to, a base station, a macro base station, a micro base station, a Pico, a transmission hotspot, a wireless relay, and the like;
  • the interface between the transmission nodes in the embodiment of the present invention and other implementations may be an X2 interface specified in the existing LTE, or may be other interfaces having similar functions in other protocols.
  • the embodiment of the invention provides a method for processing spatial information between transmission nodes, which comprises: transmitting and receiving spatial information between transmission nodes through a specific interface between transmission nodes.
  • FIG. 3-1 is a schematic diagram of an X2 interface between four base stations according to an embodiment of the present invention
  • FIG. 3-2 is a schematic flowchart of implementing a method for processing spatial information according to an embodiment of the present invention. As shown in 3-2, the method includes:
  • Step S321 the base station 1 receives the configuration information of the spatial information reported by the base station 2;
  • Step S322 the base station 1 configures the spatial information of the base station 2 according to the received configuration information reported by the base station 2 and according to current network interference and the like;
  • information such as, but not limited to, a codebook range, a coverage mode, and the like that can be used by the base station 2 are defined in the spatial information of the base station 2 that is configured.
  • Step S323 the base station 1 transmits the spatial information of the base station 2 to the base station 2 through an X2 interface;
  • Step S324 after receiving the spatial information, the base station 2 adjusts its existing spatial information according to the indication of the spatial information, and improves interference to users under the base station 1.
  • the base station 1 indicates the channel state information-reference signal (CSI-RS) currently available to the base station 2 through X2 interface signaling, and demodulates the reference signal (Demodulation).
  • Reference Signal (DMRS) and location information of an Interference Measurement Resource (IMR) after receiving the location information, the base station 2, according to the location information indicated by the base station 1, the corresponding resource unit in the reference signal (Resource) Element, RE) is configured as shown in Figure 3-3.
  • the UE may use one or two CSI-RS procedures in the Reference Signal (RS) mode to experience the UE served by the base station 1.
  • the accurate interference channel is calculated and reported to the interference information of the base station 1 under different assumptions, and then the base station 1 can notify the base station 2 to adjust the precoding weight currently used by the base station 2 according to the information.
  • the embodiment of the present invention further provides a method for processing spatial information, which is applied to the scenario shown in Figure 3-4.
  • the base stations 1 and 2 are connected to the same central control unit.
  • the central control unit may be, but is not limited to, a core network device in a communication system or other device having similar functions.
  • the central control unit generally schedules spatial information such as beam coverage and codebook type that can be used by different base stations according to the total service volume of the current system and the load of each base station.
  • 3-5 is a schematic flowchart of another method for processing spatial information according to an embodiment of the present invention. As shown in Figure 3-5, the process includes:
  • Step S351 the central control node receives the current spatial information of the base station 1 and the base station 2 transmitted by the base station 1;
  • step S352 the central control node configures the second spatial information for the base station 1 and the third space for the base station 2 according to the total traffic of the current system and the load of the base station 1 and the base station 2.
  • Step S353 the central control node sends the second spatial information and the third spatial information to the base station 1;
  • the central control node when the channel quality between the central control node and the base station 2 is poor or there is no connection between the central control node and the base station 2, the central control node will use the second spatial information. And transmitting the third spatial information to the base station 1.
  • the central control node may also use the second space.
  • Information is sent to the base station 1 to transmit the third spatial information to the base station 2. Then, the base station 1 adjusts its own spatial information according to the second spatial information, and the base station 2 adjusts its own spatial information according to the third spatial information.
  • Step S354 after receiving the second spatial information and the third spatial information, the base station 1 adjusts its own spatial information according to the second spatial information, and the base station 1 performs the third through the X2 interface. Spatial information is transmitted to the base station 2.
  • Step S355 After receiving the third spatial information, the base station 2 adjusts its own spatial information according to the third spatial information to improve its own load and network performance.
  • FIG. 4 is a schematic structural diagram of a spatial information processing apparatus according to Embodiment 5 of the present invention.
  • the apparatus 400 includes: a first sending module 401 and a first A receiving module 402, wherein:
  • the first sending module 401 is configured to send first spatial information to the second transit node by using a transit node interface
  • the first spatial information is spatial information reported by the first transit node or the first spatial information is used to instruct the second transit node to perform spatial information configuration according to the first spatial information.
  • the first receiving module 402 is configured to receive, by the second transmitting node, the first A feedback message of spatial information.
  • the feedback information is spatial information and the second transmission reported by the second transmission node according to the first transmission node.
  • the spatial information of the node itself is spatial information set by the first transmission node.
  • the feedback information is that the second transmission node configures itself according to the first spatial information.
  • Configuration result information of spatial information is used to indicate that the second transmission node performs spatial information configuration according to the first spatial information.
  • the description of the device embodiment of the above spatial information is similar to the description of the above method embodiment, and has similar advantages as the method embodiment.
  • For technical details not disclosed in the device embodiment of the spatial information of the present invention please refer to the description of the method embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a spatial information processing apparatus according to Embodiment 6 of the present invention.
  • the apparatus 500 includes: a second receiving module 501, The parsing module 502, the judging module 503, the determining module 504, the first configuration module 505, the second configuration module 506, and the second sending module 507, wherein:
  • the second receiving module 501 is configured to receive first spatial information sent by the first transit node
  • the second transmission node determines current spatial information of the first transmission node according to the first spatial information, or the second transmission node is configured to configure the second transmission node itself according to the first spatial information. Spatial information.
  • the parsing module 502 is configured to parse the first spatial information to obtain configuration information in the first spatial information
  • the configuration information in the first spatial information carries the identifier information, which is used to indicate whether the first spatial information is the spatial information of the first transmission node or the second transmission node
  • the spatial information of the spatial information is configured by the first spatial information.
  • the determining module 503 is configured to determine whether the configuration information in the first spatial information is spatial information of the self reported by the first transit node;
  • the determining module 504 is configured to determine current spatial information of the first transit node according to the configuration information in the first spatial information
  • the current spatial information of the first transmission node mainly includes, for example, an antenna configuration, a number of radio frequency links, and the like.
  • the first configuration module 505 is configured to configure spatial information of the first transmission node and spatial information of the second transmission node according to the spatial information of the first transmission node and the current spatial information of the first transmission node;
  • the second transmission node configures new spatial information for the first transmission node according to the current spatial information of the first transmission node and the current spatial information of the first transmission node, and the second transmission node is also configured according to the location.
  • the current spatial information of the first transmission node is described, and the spatial information of the first transmission node is adjusted.
  • the second configuration module 506 is configured to configure spatial information of the second transmission node according to the configuration information in the first spatial information.
  • the second sending module 507 is configured to send feedback information about the first spatial information to the first transit node.
  • the description of the device embodiment of the above spatial information is similar to the description of the above method embodiment, and has similar advantages as the method embodiment.
  • For technical details not disclosed in the device embodiment of the spatial information of the present invention please refer to the description of the method embodiment of the present invention.
  • the foregoing transmission method of the preamble sequence is implemented in the form of a software function module, and is sold or used as a separate product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • Make A computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • an embodiment of the present invention provides a transmission node, including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor implements the spatial information when executing the program.
  • a transmission node including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor implements the spatial information when executing the program.
  • an embodiment of the present invention is a computer readable storage medium, on which a computer program is stored, and the computer program is executed by a processor to implement the spatial information processing method.
  • Embodiments of the subject matter described in the specification can be implemented in digital electronic circuits or in computer software, firmware or hardware, including the structures disclosed in the specification and their structural equivalents, or A combination of one or more of its structural equivalents.
  • Embodiments of the subject matter described in the specification can be implemented as one or more computer programs, ie, one or more computer program instructions modules, encoded onto one or more computer storage media for execution or control of data by a data processing device The operation of the processing device.
  • computer instructions can be encoded onto an artificially generated propagating signal (eg, a machine-generated electrical, optical, or electromagnetic signal) that is generated to encode the information for transmission to a suitable receiver.
  • the device is executed by a data processing device.
  • the computer storage medium can be, or be included in, a computer readable storage device, a computer readable storage medium, a random or sequential access memory array or device, or a combination of one or more of the above.
  • the computer storage medium is not a propagated signal, the computer storage medium can be a source or a target of computer program instructions that are encoded in a manually generated propagated signal.
  • the computer storage medium can also be or be included in one or more separate components or media (eg, multiple CDs, disks, or other storage devices).
  • computer storage media can be tangible.
  • the operations described in the specification can be implemented as operations by data processing apparatus on data stored on or received from one or more computer readable storage devices.
  • client or “server” includes all types of devices, devices, and machines for processing data, including, for example, a programmable processor, a computer, a system on a chip, or a plurality or combination of the foregoing.
  • the device can include dedicated logic circuitry, such as a Field Programmable Gate Array (FPGA) or an Application Specific Integrated Circuit (ASIC).
  • FPGA Field Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • the apparatus can also include code to create an execution environment for the computer program of interest, for example, to constitute processor firmware, a protocol stack, a database management system, an operating system, a cross-platform operating environment, a virtual machine, or one or Multiple combinations.
  • the device and execution environment enables a variety of different computing model infrastructures, such as network services, distributed computing, and grid computing infrastructure.
  • a computer program (also referred to as a program, software, software application, script, or code) can be written in any programming language, including assembly or interpreted language, descriptive language, or procedural language, and can be in any form (including as an independent A program, or as a module, component, subroutine, object, or other unit suitable for use in a computing environment.
  • a computer program can, but does not necessarily, correspond to a file in a file system.
  • the program can be stored in a portion of the file that holds other programs or data (eg, one or more scripts stored in the markup language document), in a single file dedicated to the program of interest, or in multiple collaborative files ( For example, storing one or more modules, submodules, or files in a code section).
  • the computer program can be deployed to be executed on one or more computers located at one site or distributed across multiple sites and interconnected by a communication network.
  • the processes and logic flows described in the specification can be performed by one or more programmable processors executing one or more computer programs to perform actions by operating input data and generating output.
  • the above described processes and logic flows can also be performed by dedicated logic circuitry, and the apparatus can also be implemented as dedicated logic circuitry, such as an FPGA or ASIC.
  • processors suitable for executing a computer program include, for example, general purpose microprocessors and dedicated microprocessors And any one or more processors of any digital computer type.
  • a processor will receive instructions and data from a read only memory or a random access memory or both. The main elements of the calculation are the processor for performing the actions in accordance with the instructions and one or more memories for storing the instructions and data.
  • a computer also includes one or more mass storage devices (eg, magnetic disks, magneto-optical disks, or optical disks) for storing data, or is operatively coupled to receive data from or send data thereto, or Both are. However, the computer does not need to have such a device.
  • the computer can be embedded in another device, such as a mobile phone, a personal digital assistant (PDA), a mobile audio player or mobile video player, a game console, a global positioning system (GPS) receiver, or a mobile storage device.
  • PDA personal digital assistant
  • GPS global positioning system
  • Suitable devices for storing computer program instructions and data include all forms of non-volatile memory, media and storage devices, including, for example, semiconductor storage devices (eg, EPROM, EEPROM, and flash memory devices), magnetic disks (eg, internal hard drives or removable hard drives). ), magneto-optical disks, and CD-ROM and DVD-ROM discs.
  • the processor and memory can be supplemented by or included in dedicated logic circuitry.
  • a computer including a display device, a keyboard, a pointing device (eg, a mouse, trackball, etc., or a touch screen, touch pad, etc.).
  • Display devices are, for example, cathode ray tubes (CRTs), liquid crystal displays (LCDs), organic light emitting diodes (OLEDs), thin film transistors (TFTs), plasma, other flexible configurations, or any other monitor for displaying information to a user.
  • CTRs cathode ray tubes
  • LCDs liquid crystal displays
  • OLEDs organic light emitting diodes
  • TFTs thin film transistors
  • plasma other flexible configurations, or any other monitor for displaying information to a user.
  • the user is able to provide input to the computer through the keyboard and pointing device.
  • feedback provided to the user can be any form of sensory feedback, such as visual feedback, audible feedback, or haptic feedback; and input from the user can be in any form Received, including acoustic input, voice input, or touch input.
  • the computer can interact with the user by sending a document to and receiving a document from the device; for example, transmitting the web page to a web page on the user's client in response to a request received from the web browser Device.
  • Embodiments of the subject matter described in the specification can be implemented in a computing system.
  • the computing system includes a backend component (eg, a data server), or includes a middleware component (eg, an application server), or includes a front end component (eg, a client computer with a graphical user interface or web browser through which the user passes)
  • the end computer can interact with an embodiment of the subject matter described herein, or any combination of one or more of the above described backend components, middleware components, or front end components.
  • the components of the system can be interconnected by any form of digital data communication or medium (e.g., a communication network). Examples of communication networks include local area networks (LANs) and wide area networks (WANs), interconnected networks (e.g., the Internet), and end-to-end networks (e.g., ad hoc end-to-end networks).
  • LANs local area networks
  • WANs wide area networks
  • interconnected networks e.g., the Internet
  • end-to-end networks
  • the technical solution provided by the embodiment of the present invention solves the problem that the interference between the base stations is more dynamic due to the introduction of the hybrid beamforming, thereby causing the problem that the measurement of the inter-base station interference, the optimization and the scheduling difficulty are sharply increased, and the mutual base station can be enhanced.
  • Adaptive scheduling or the ability of the central node to coordinate scheduling thereby improving the overall performance of the system.

Landscapes

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

Abstract

La présente invention concerne un procédé et un dispositif de traitement d'informations spatiales, un nœud de transmission et un support d'informations. Le procédé comprend l'étape suivante : un premier nœud de transmission envoie, par l'intermédiaire d'une interface de nœud de transmission, des premières informations spatiales à un second noeud de transmission, lesquelles premières informations spatiales sont des informations spatiales rapportées par le premier nœud de transmission, ou sont utilisées pour ordonner au second noeud de transmission de configurer des informations spatiales conformément aux premières informations spatiales.
PCT/CN2017/107786 2016-11-04 2017-10-26 Procédé et dispositif de traitement d'informations spatiales, et nœud de transmission et support de stockage WO2018082497A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610963540.9A CN108024377B (zh) 2016-11-04 2016-11-04 一种空间信息的处理方法及装置
CN201610963540.9 2016-11-04

Publications (1)

Publication Number Publication Date
WO2018082497A1 true WO2018082497A1 (fr) 2018-05-11

Family

ID=62076575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/107786 WO2018082497A1 (fr) 2016-11-04 2017-10-26 Procédé et dispositif de traitement d'informations spatiales, et nœud de transmission et support de stockage

Country Status (2)

Country Link
CN (1) CN108024377B (fr)
WO (1) WO2018082497A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10707931B2 (en) 2018-11-02 2020-07-07 At&T Intellectual Property I, L.P. Linear combination codebook based per layer power allocation feedback for 5G or other next generation network
CN113938821A (zh) * 2021-10-12 2022-01-14 中国联合网络通信集团有限公司 赋形波束配置方法、装置、设备及存储介质
WO2023020114A1 (fr) * 2021-08-18 2023-02-23 华为技术有限公司 Procédé et appareil de traitement de données

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020029296A1 (fr) * 2018-08-10 2020-02-13 Oppo广东移动通信有限公司 Procédé de rapport d'informations d'état de canal, dispositif terminal, et dispositif de réseau
CN110830092B (zh) * 2018-08-10 2021-10-26 华为技术有限公司 指示预编码矩阵和确定预编码矩阵的方法以及通信装置
CN110535591A (zh) * 2018-09-28 2019-12-03 中兴通讯股份有限公司 准共位置确定方法、装置、通信设备及存储介质
WO2020164122A1 (fr) 2019-02-15 2020-08-20 Qualcomm Incorporated Rétroaction de bande passant partielle pour livre de codes de combinaison de faisceaux

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101990774A (zh) * 2008-02-01 2011-03-23 高通股份有限公司 无线通信网络中控制信道的干扰抑制
CN102550106A (zh) * 2009-10-05 2012-07-04 华为技术有限公司 小区间干扰协调的系统和方法
CN102638805A (zh) * 2011-02-12 2012-08-15 华为技术有限公司 一种促进异构网络干扰协调方法及设备
CN103843265A (zh) * 2011-10-05 2014-06-04 华为技术有限公司 用于协调传输的系统和方法
CN103959837A (zh) * 2011-11-04 2014-07-30 英特尔公司 异构网络中的波束形成协调

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7426198B2 (en) * 2006-02-06 2008-09-16 Motorola, Inc. Method and apparatus for performing spatial-division multiple access
CN102013905B (zh) * 2009-09-29 2016-09-21 电信科学技术研究院 协同调度的方法及设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101990774A (zh) * 2008-02-01 2011-03-23 高通股份有限公司 无线通信网络中控制信道的干扰抑制
CN102550106A (zh) * 2009-10-05 2012-07-04 华为技术有限公司 小区间干扰协调的系统和方法
CN102638805A (zh) * 2011-02-12 2012-08-15 华为技术有限公司 一种促进异构网络干扰协调方法及设备
CN103843265A (zh) * 2011-10-05 2014-06-04 华为技术有限公司 用于协调传输的系统和方法
CN103959837A (zh) * 2011-11-04 2014-07-30 英特尔公司 异构网络中的波束形成协调

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Coordinated Multi-point Schemes with Centralized and Distributed Scheduling", 3GPP TSG-RAN WG1 #63BIS, RL-110251, 31 January 2011 (2011-01-31), Dublin, Ireland, XP050490155 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10707931B2 (en) 2018-11-02 2020-07-07 At&T Intellectual Property I, L.P. Linear combination codebook based per layer power allocation feedback for 5G or other next generation network
US11165475B2 (en) 2018-11-02 2021-11-02 At&T Intellectual Property I, L.P. Linear combination codebook based per layer power allocation feedback for 5G or other next generation network
WO2023020114A1 (fr) * 2021-08-18 2023-02-23 华为技术有限公司 Procédé et appareil de traitement de données
CN113938821A (zh) * 2021-10-12 2022-01-14 中国联合网络通信集团有限公司 赋形波束配置方法、装置、设备及存储介质
CN113938821B (zh) * 2021-10-12 2023-06-27 中国联合网络通信集团有限公司 赋形波束配置方法、装置、设备及存储介质

Also Published As

Publication number Publication date
CN108024377B (zh) 2022-10-18
CN108024377A (zh) 2018-05-11

Similar Documents

Publication Publication Date Title
JP7403459B2 (ja) 測定報告方法、端末装置及びネットワーク装置
WO2018082497A1 (fr) Procédé et dispositif de traitement d'informations spatiales, et nœud de transmission et support de stockage
US10476563B2 (en) System and method for beam-formed channel state reference signals
US11284246B2 (en) Uplink transmission method, uplink transmission configuration method, user equipment and base station
US10205497B2 (en) Signal transmission method and apparatus
JP7046203B2 (ja) チャネル推定方法及び装置
WO2020035069A1 (fr) Procédé d'instruction de transmission de liaison montante, terminal, station de base et support de stockage informatique
CN110754130B (zh) 用于调度对象配置的装置和方法
KR20180098592A (ko) 다중-입력 및 다중-출력(mimo) 무선 네트워크들에 대한 희소 상관 매트릭스의 피드백
JP2019537874A (ja) プリコーディング行列指示方法、装置、及びシステム
WO2018171604A1 (fr) Procédé et appareil de transmission d'informations
TW201815090A (zh) 一種波束處理方法、基地台及移動終端
WO2018028470A1 (fr) Procédé de gestion de faisceau et équipement associé
US20200067588A1 (en) Data transmission method, terminal device, and network device
JP2022529124A (ja) 通信効率の向上
WO2018028291A1 (fr) Procédé d'apprentissage de formation de faisceau, terminal, et station de base
WO2017167156A1 (fr) Procédé et dispositif de transmission de dmrs
CN114631267A (zh) 针对多传输接收点/面板和无小区多输入多输出的信道状态信息开销减少
WO2018228356A1 (fr) Procédé de correction de canal et périphérique réseau
US11843436B2 (en) Assigning resources to ports based on coherence
JP2023546938A (ja) ポート情報のシグナリング
JP2024519341A (ja) プリコーディング情報
CN112054831B (zh) 信道状态信息的反馈方法及装置
US11190245B2 (en) Port to antenna mapping design in virtualized active antenna system (AAS)
WO2016106696A1 (fr) Procédé de rétroaction d'indicateur de matrice de précodage (pmi)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17867196

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17867196

Country of ref document: EP

Kind code of ref document: A1