WO2019062797A1 - Procédé et dispositif de transmission de données - Google Patents

Procédé et dispositif de transmission de données Download PDF

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Publication number
WO2019062797A1
WO2019062797A1 PCT/CN2018/107844 CN2018107844W WO2019062797A1 WO 2019062797 A1 WO2019062797 A1 WO 2019062797A1 CN 2018107844 W CN2018107844 W CN 2018107844W WO 2019062797 A1 WO2019062797 A1 WO 2019062797A1
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WO
WIPO (PCT)
Prior art keywords
network device
scheduling
information
response message
transmission
Prior art date
Application number
PCT/CN2018/107844
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English (en)
Chinese (zh)
Inventor
任亚珍
陈艳
蒋成钢
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华为技术有限公司
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Publication of WO2019062797A1 publication Critical patent/WO2019062797A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection

Definitions

  • the present application relates to the field of communications and, more particularly, to a method and apparatus for transmitting data.
  • a wireless local area network (WLAN) low frequency system operates in an unlicensed Unlicensed low frequency band and provides coverage using an omnidirectional antenna or a quasi-omnidirectional antenna.
  • WI-FI wireless-fidelity
  • the WI-FI system introduces a request to send (RTS)/clear to send (CTS) handshake mechanism, and carries information such as a transceiver address and a data transmission duration in the handshake message. Data transmission is only performed when the handshake is completed and the link is confirmed to be free of interference.
  • the transceiver device cannot be assisted to perform interference avoidance, which increases the time overhead for discovering the direction of the transmittable beam. Therefore, it is urgent to propose a method to achieve interference avoidance.
  • the present application provides a method and apparatus for transmitting data, which can implement interference avoidance and improve spatial multiplexing rate.
  • a method of transmitting data comprising:
  • the first network device acquires information about a first beam, where the first beam is a beam that is transmitted by the second network device;
  • the first network device transmits using the target beam.
  • the information about the first beam includes a transmission duration of the first beam.
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam. That is, the transmission of the first beam does not interfere with the target beam, or the transmission of the target beam does not interfere with the first beam.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first beam is a beam that is transmitted by the second network device in the first area
  • the first area is a public service of the first network device and the second network device. Regional or public service area.
  • the first network device obtains the information of the first beam, determines the target beam according to the information of the first beam, and uses the target beam to perform transmission, where the target beam is transmitted and The transmission of the first beam is not interfered in order to achieve interference avoidance.
  • the acquiring, by the first network device, information about the first beam includes:
  • the first network device and the first terminal device may be in the same serving cell.
  • the first network device may acquire the information of the first beam according to the scheduling response message sent by the first terminal device.
  • the first scheduling response message is used to notify a rejection of the scheduling of the first network device
  • the first network device determines a target beam according to the information of the first beam
  • the first network device selects the target beam according to the first scheduling response message
  • the first network device uses the target beam for transmission, including:
  • the first network device uses the target beam to transmit with the first terminal device.
  • the first network device may use the target beam to transmit with the first terminal device according to the scheduling rejection message replied by the first terminal device.
  • the method before the first network device receives the first scheduling response message sent by the first terminal device, the method further includes:
  • the first network device sends a scheduling message to the first terminal device, where the scheduling message is used to notify the first network device to schedule the first terminal device.
  • the first network device may not only receive the scheduling response message that is actively reported by the first terminal device, but also may send a scheduling message to the first terminal device in advance to receive the scheduling response message sent by the first terminal device according to the scheduling message.
  • the method further includes:
  • the first interference measurement message sent by the first terminal device, where the first interference measurement message includes a beam that interferes with transmission of the first network device and the first terminal device.
  • the determining, by the first network device, the target beam according to the information of the first beam includes:
  • the first network device determines the target beam according to the first interference measurement message and the information of the first beam.
  • the first network device may further determine the target beam according to the interference measurement message reported by the first terminal device.
  • the acquiring, by the first network device, information about the first beam includes:
  • the first network device receives a second scheduling response message sent by the second terminal device, where the second scheduling response message is used to notify the scheduling of the second network device, and the second scheduling response message includes the first Information of a beam;
  • the determining, by the first network device, the target beam according to the information of the first beam includes:
  • the first network device selects the target beam according to the second scheduling response message.
  • the second terminal device is in the same serving cell as the second network device.
  • the first network device may obtain a scheduling response message that the second terminal device replies to the second network device.
  • the second terminal device may be located in the public service area.
  • the method further includes:
  • the acquiring, by the first network device, information about the first beam includes:
  • the first network device acquires a scheduling message sent by the second network device, where the scheduling message is used by the second network device to notify the scheduling of the second terminal device, where the scheduling message includes information about the first beam.
  • the scheduling message is that the second network device sends the second network device to the second terminal device by using a broadcast form, so the first network device can also receive the scheduling message.
  • the first network device can interact with the second network device to acquire information of the first beam.
  • a method of transmitting data including:
  • the first transceiver device determines information of the first beam, where the first beam is a beam that is transmitted by the second network device;
  • the device transmits, wherein the transmission of the target beam does not interfere with the transmission of the first beam.
  • the information about the first beam includes a transmission duration of the first beam.
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first beam is a beam that is transmitted by the second network device in the first area
  • the first area is a public service of the first network device and the second network device. Regional or public service area.
  • the first transceiver device sends the information of the first beam to the first network device, so that the first network device determines the target beam according to the information of the first beam, and uses the target beam to transmit, where The transmission of the target beam does not interfere with the transmission of the first beam, so as to achieve interference avoidance.
  • the first transceiver device is a first terminal device, and the first transceiver device sends the information of the first beam to the first network device, including:
  • the first terminal device sends a first scheduling response message to the first network device, where the first scheduling response message is used to notify the rejection or acceptance of the scheduling of the first network device, where the first scheduling response message includes the Information of the first beam.
  • the first scheduling response message is used to notify a rejection of the scheduling of the first network device, where the target beam is used by the first network device and the first terminal device transmission.
  • the first network device is in the same serving cell as the first terminal device.
  • the first terminal device may actively send the information of the first beam to the first network device by using a scheduling response message.
  • the method before the first terminal device receives the first scheduling response message sent by the first network device, the method further includes:
  • the first terminal device receives a scheduling message sent by the first network device, where the scheduling message is used by the first network device to notify the scheduling of the first terminal device.
  • the first terminal device may send the information of the first beam to the first network device by using a scheduling response message after receiving the scheduling message.
  • the method further includes:
  • the first terminal device sends a first interference measurement message to the first network device, where the first interference measurement message includes an identifier of a beam that interferes with transmission of the first network device and the first terminal device.
  • the first terminal device can measure the cell and report the first interference measurement message to the first network device, so that the first network device performs beam selection.
  • the first transceiver device is a second terminal device, and the first transceiver device sends the information about the first beam to the first network device, including:
  • the second terminal device sends a second scheduling response message to the first network device, where the second scheduling response message is used to notify the scheduling of the second network device, and the second scheduling response message includes the Information of the first beam.
  • the second terminal device sends the second scheduling response message to the first network device by using a broadcast form.
  • the second terminal device may reply to the second network device by using the second scheduling response message, so that the first network device can also obtain the second scheduling response message.
  • the first transceiver device is a second network device, and the first transceiver device sends the information about the first beam to the first network device, including:
  • the second network device sends a scheduling message to the first network device, where the scheduling message is used by the second network device to notify the second terminal device, where the scheduling message includes information about the first beam.
  • the second network device sends the scheduling message to the second terminal device in a broadcast form, and therefore, the first network device can also obtain the scheduling message.
  • the second network device can interact with the first network device to enable the first network device to acquire information of the first beam.
  • the method further includes:
  • the second network device sends a second interference measurement message to the first network device, where the second interference measurement message includes identifier information of a beam that interferes with transmission of the first network device, and the second network At least one of the identification information of the device and the identification information of the beam that has the strongest interference with the transmission of the first network device.
  • an apparatus for transmitting data for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • an apparatus for transmitting data for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • an apparatus for transmitting data comprising a processor, a memory, and a transceiver.
  • the processor is connected to the memory and transceiver.
  • the memory is for storing instructions for the processor to execute, and the transceiver is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • an apparatus for transmitting data comprising a processor, a memory, and a transceiver.
  • the processor is coupled to the memory and the transceiver.
  • the memory is for storing instructions for the processor to execute, and the transceiver is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • a computer readable storage medium storing a program for causing an apparatus for transmitting data to perform the first aspect described above, and any one of its various implementations for transmitting data Methods.
  • a computer readable storage medium storing a program for causing an apparatus for transmitting data to perform the second aspect described above, and any one of its various implementations for transmitting data Methods.
  • a communication chip wherein instructions are stored, which, when run on a first network device, cause the communication chip to perform the method of any of the first aspect or the first aspect of the first aspect .
  • a communication chip wherein instructions are stored, which, when run on a first transceiver device, cause the communication chip to perform the method of any of the above second aspect or any of the possible implementations of the second aspect .
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of the first or second aspect or any possible implementation thereof.
  • FIG. 1 is a schematic diagram of an example of a high frequency system.
  • FIG. 2 is a schematic view of another example of a high frequency system.
  • Fig. 3 is a schematic view showing still another example of the high frequency system.
  • FIG. 4 is a schematic structural diagram of an application scenario according to an embodiment of the present application.
  • FIG. 5 is a schematic architectural diagram of another application scenario according to an embodiment of the application.
  • FIG. 6 is a schematic interaction diagram of a method of transmitting data according to an embodiment of the present application.
  • Figure 7 is a schematic illustration of an example in accordance with an embodiment of the present application.
  • FIG. 8 is a schematic diagram of another example in accordance with an embodiment of the present application.
  • FIG. 9 is a schematic diagram of still another example in accordance with an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of an apparatus for transmitting data according to another embodiment of the present application.
  • FIG. 12 is a structural block diagram of an apparatus for transmitting data according to an embodiment of the present application.
  • FIG. 13 is a structural block diagram of an apparatus for transmitting data according to another embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE Time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • a high frequency system refers to a communication system operating in a frequency band higher than 6G megahertz (GHz).
  • the high-frequency system includes a large-scale antenna array Massive MIMO system, a 5G new air interface system, and a high-frequency system such as IEEE 11ad/ay.
  • Hybrid beam forming refers to two-stage hybrid beamforming consisting of analog beam forming (ABF) and digital beam forming (DBF).
  • Beam refers to a beam with a higher antenna gain in a certain direction formed by multi-antenna beamforming than other directions. It is generally used to describe a beam that is narrower than an omnidirectional/quasi-omnidirectional beam and a wide beam. , no exact beam width limit.
  • Omnidirectional beam A beam whose antenna pattern gain is consistent within 360 degrees of the antenna.
  • Quasi-omni beam A beam formed by a single antenna or a partial sub-array.
  • the antenna gain is higher in some directions than in other directions, but covers multiple narrow beams.
  • Phase shifter A device that is capable of adjusting the phase of a wave. Different beam states and directions can be formed by adjusting different states of the phase shifter group.
  • the high frequency system is a narrow beam coverage system formed by digital weighting, and the high frequency system includes a baseband processing module and respective antenna ports, wherein the baseband processing module may include a digital beamforming DBF module.
  • the high frequency system transmits signals or data through n beams corresponding to the respective antenna ports in FIG.
  • the high frequency system may be a system of narrow beam coverage formed by analog beamforming ABF or hybrid beamforming HBF modulus two-stage weighting.
  • 2 is a schematic view of another example of a high frequency system.
  • the HBF modular two-stage weighting system includes a baseband processing module, n radio frequency (RF) channels, a splitter, a phase shifter, and a power amplifier. , PA) and an antenna module, wherein the baseband processing module includes a digital beamforming DBF module.
  • the phase shifter connected to the RF channel forms a first-stage analog beam by adjusting the phase of the phase shifter, and then the baseband processing module digitally weights the first-stage analog beam.
  • the second-level data beam is obtained, thereby realizing the mapping of the signal flow to the RF channel, and finally the signal flow mapped to the RF channel is transmitted through the antenna according to the phase after phase shift of the phase shifter to form a beam.
  • Fig. 3 is a schematic view showing still another example of the high frequency system.
  • the system shown in Figure 3 is also a HBF system.
  • the system in FIG. 3 is similar to the system in FIG. 2.
  • the system of FIG. 3 further includes a combiner.
  • Each RF channel is connected to all antenna arrays, and the signals of the respective RF channels are combined by a combiner and output to each antenna array, and the phases of the phase shifters corresponding to the respective RF channels and the amplitude of the power amplifier are adjusted to form different Analog beam.
  • the method for transmitting data in the embodiment of the present application can be applied to an access point (AP) and a station (STA) in a wireless-fidelity (WI-FI) system.
  • AP access point
  • STA station
  • WI-FI wireless-fidelity
  • the communication between the UE and the base station in the high-frequency wireless communication system can also be applied to the communication scenario.
  • the above communication scenario will be described below with reference to FIGS. 4 and 5.
  • FIG. 4 shows a schematic architectural diagram of an application scenario according to an embodiment of the present application.
  • the access point 2 when the access point 1 and the station 2 perform data transmission, the access point 2 attempts to perform data transmission to the station 2. Before the access point 2 attempts to transmit data to the station 2, the access point 2 first needs to listen to the channel (listen before talk (LBT)) to determine whether the channel is idle. Since the access point 2 is located outside the coverage of the access point 1, it is impossible to know whether the data link of the access point 1 and the station 1 exists, and it may be determined that the channel is idle. While station 2 is located within the coverage of access point 1, it may be interfered by access point 1, so if access point 2 sends data to station 2, station 2 may receive incorrectly.
  • LBT listen before talk
  • access point 1 can be understood as a hidden node of access point 2.
  • a handshake to send (RTS)/clear to send (CTS) handshake mechanism is introduced in the WIFI system, that is, the access point 2 sends the RTS to the site 2 before sending the data to the station 2.
  • the station 2 is aware of the link interference of the access point 1, and therefore may not reply to the CTS, the access point 2 can learn that the station 2 is interfered and cannot establish a data link with the station 2, thereby avoiding the occurrence of interference.
  • FIG. 5 shows a schematic architectural diagram of another application scenario according to an application embodiment.
  • the basic network architecture of the high frequency wireless communication system may include a base station (eNodeB) 20 and at least one wireless terminal, such as User Equipment (UE), UE 10, UE 11, UE 12, UE. 13, UE 14, UE 15, UE 16 and UE 17.
  • UE User Equipment
  • the eNodeB 20 is configured to provide communication services for at least one of the UE 10 to the UE 17 and access the core network. Any one of the UE 10 to the UE 17 and the eNodeB 20 may include at least one antenna, and FIG.
  • the communication signals between them need to be transmitted through the antenna.
  • signals of multiple beams may be transmitted or received between a base station and a UE through respective antennas.
  • the physical layer needs to adopt a high-gain narrow beam antenna to improve the coverage of the communication link. In this process, the antenna may need to perform beam switching.
  • the antenna array is composed of N antenna elements, and each antenna element corresponds to a phase value (for example, a set of phase values corresponding to N antenna elements)
  • a phase value for example, a set of phase values corresponding to N antenna elements
  • each group of phase values corresponds to one beam.
  • each group of phase values of the N antenna elements corresponds to one beam, for example, beam 1, beam 2, beam 3 ...Wait.
  • the base station 20 in FIG. 5 may be a base station in a high frequency wireless communication system or a communication device or network device supporting a high frequency wireless communication system.
  • the network device may be a device for communicating with the terminal device, and the network device may be a global mobile communication GSM system or a base transceiver station (BTS) in code division multiple access CDMA, or may be a wideband code division multiple access WCDMA.
  • the base station (NodeB, NB) in the system may also be an evolved base station (evolutional NodeB, eNB or eNodeB) in the LTE system, or may be a wireless control in a cloud radio access network (CRAN) scenario.
  • CRAN cloud radio access network
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, a base station gNB in a 5G mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system, and in a future 5G network.
  • the network device in the network device or the network device in the future evolved PLMN network is not limited in this embodiment.
  • the user equipment (UE) in FIG. 5 may also be referred to as a mobile terminal, a mobile station (MS), a mobile terminal (MT), and the like.
  • the terminal device can be a mobile phone, a tablet, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, industrial control (industrial control) Wireless terminal, wireless terminal in self driving, wireless terminal in remote medical surgery, wireless terminal in smart grid, wireless in transport safety A terminal, a wireless terminal in a smart city, a wireless terminal in a smart home, and the like.
  • Base stations and user equipment can be deployed on land, indoors or outdoors, hand-held or on-board; they can also be deployed on the water; they can also be deployed on airborne aircraft, balloons and satellites.
  • the application scenarios of the base station and the user equipment are not limited in the embodiment of the present application.
  • Communication between the base station and the user equipment and between the user equipment and the user equipment may be through a licensed spectrum, or through an unlicensed spectrum, or simultaneously through an authorized spectrum and an unlicensed spectrum.
  • the radio access network device and the terminal device and the terminal device and the terminal device can communicate through the spectrum below 6 GHz, or can communicate through the spectrum above 6 GHz, and can simultaneously use the spectrum below 6 GHz and the spectrum above 6 GHz. Communicate.
  • the embodiment of the present application does not limit the spectrum resources used between the base station and the user equipment.
  • FIG. 6 shows a schematic interaction diagram of a method 600 of transmitting data in accordance with an embodiment of the present application. As shown in FIG. 6, the method 600 includes:
  • the first network device acquires information about a first beam, where the first beam is a beam that is transmitted by the second network device.
  • the first beam is a beam that is transmitted by the second network device in the first area, where the first area is a public service area or a public service of the first network device and the second network device Community.
  • the information of the first beam includes information such as an identifier of the first beam and an address of the transceiver of the first beam.
  • the information about the first beam may further include information such as an address or identifier of the second network device, and a transmission duration of the first beam.
  • the duration of the transmission of the first beam refers to the time when the second network device uses the first beam for transmission.
  • the identifier of the first beam may be a beam beam identifier (ID) for identifying a beam.
  • ID beam beam identifier
  • the first network device is the access point 2 in FIG. 4
  • the second network device is the access point 1 in FIG. 4
  • the first area is the access point 1 and the access point.
  • the public service area of 2 the first beam may be a beam that the access point 1 transmits in the common service area.
  • the first network device receives information of a first beam from the first transceiver device.
  • the first transceiver device may be a terminal device, or may be a network device, which is not limited thereto.
  • the first network device determines a target beam according to information about the first beam.
  • the first network device can adjust the transmission beam according to the information of the first beam, so as to select a beam without interference to transmit.
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam.
  • the first network device uses the target beam for transmission.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first network device may receive uplink data by using the target beam.
  • the first network device may also use the target beam to send a scheduling message or other message, which is not limited thereto.
  • the first network device obtains the information of the first beam, determines the target beam according to the information of the first beam, and uses the target beam to perform transmission, where the target beam is transmitted and The transmission of the first beam is not interfered in order to achieve interference avoidance.
  • the first transceiver device is a first terminal device.
  • S601 includes:
  • the first terminal device sends a first scheduling response message to the first network device, where the first scheduling response message is used to notify the rejection or acceptance of the scheduling of the first network device, where the first scheduling response message includes the Information of the first beam.
  • the first network device receives the first scheduling response message sent by the first terminal device.
  • the first scheduling response message further includes interference caused by the first terminal device in the neighboring cell to transmit the target beam.
  • the first network device uses the target beam according to the first scheduling response message, and the serving cell
  • the device other than the first terminal device performs transmission, for example, using the target beam to send a scheduling message to other transceiver devices.
  • the first network device uses the scheduling beam to transmit with the first terminal device.
  • the first network device receives data sent by the first terminal device by using a scheduling beam, or sends data to the first terminal device by using a scheduling beam.
  • the first terminal device can actively send the first scheduling response message to the first network device.
  • the first terminal device may also determine to send the first scheduling response according to the scheduling of the first network device.
  • the message will be introduced below.
  • the method before the first network device receives the first scheduling response message sent by the first terminal device, the method further includes:
  • the first network device sends a scheduling message to the first terminal device, where the scheduling message is used by the first network device to notify the scheduling of the first terminal device.
  • the first terminal device receives the scheduling message sent by the first network device.
  • the first terminal device may reply the first scheduling response message to the first network device according to the scheduling message, to notify the accepting or rejecting the scheduling of the first network device.
  • the scheduling message may further include identifier information of the scheduling beam and identifier information of the corresponding transceiver device.
  • the scheduling message sent by the first network device may be understood as a scheduling instruction, and the sending manner may be intra-cell unicast, intra-cell broadcast, or inter-cell broadcast, etc. limited.
  • the base station or the AP may send the scheduling message by using radio resource control (RRC) signaling or other high layer signaling.
  • RRC radio resource control
  • the first terminal device may not only actively report the scheduling response message (including the scheduling acknowledgement message or the scheduling reject message), but may also send the first scheduling response message after receiving the scheduling message sent by the first network device. .
  • the first network device may be AP2 in FIG. 7, and the first terminal device may be STA21 in FIG.
  • AP1 and STA11 are located in the same cell, and AP2 is located in the same cell as STA21 and STA22.
  • the AP1 can send the scheduling instruction 1 to the STA 11 in a broadcast form, and the scheduling instruction 1 is used to schedule the STA 11.
  • the scheduling instruction 1 may include the ID of the beam 1, the transmission duration, and the transceiver address.
  • the scheduling instruction 1 may further include interference beam information of the neighboring cell to the AP1 measured by the STA 11, such as a strong interference beam ID and an ID of the neighboring cell (such as an ID of a cell where the AP2 is located). Both the STA 11 and the STA 21 can receive the above scheduling instruction 1.
  • the STA11 may reply to the scheduling acknowledgement message 1.
  • the scheduling acknowledgement message 1 may carry the STA11 ID, the transmission duration, the AP1 address, the ID of the beam 1, the interference beam ID, and the neighboring cell ID (such as the cell where the AP2 is located). ID), AP2 ID and other information.
  • AP1 can send downlink data to STA11 through beam 1.
  • the STA 21 when receiving the above-mentioned scheduling instruction 1, the STA 21 can save the content in the scheduling instruction 1. Then, the STA 21 may actively send a scheduling reject message to the AP2 to reject the scheduling of the AP2.
  • the scheduling rejection message may include information such as the ID of the beam 1, the ID or address of the AP1, the transmission duration, and the like.
  • the AP2 may reselect the transmission beam in the cell according to the scheduling rejection message, for example, selecting the beam 2 to send data to the STA 22.
  • the AP2 may first send a scheduling instruction 2 to the STA 21 to schedule the STA 21 to perform data transmission.
  • the method may further include:
  • the first interference measurement message sent by the first terminal device, where the first interference measurement message includes a beam that interferes with transmission of the first network device and the first terminal device.
  • the first terminal device may report the first interference measurement message to the first network device in advance.
  • the second terminal device may obtain the foregoing first interference measurement message by performing measurement on the local cell and the neighboring cell.
  • the first interference measurement message may include: an optimal beam ID of the current cell, and a neighboring cell pair. The beam ID of the interference caused by the transmission of the first network device and the first terminal device, the ID of the most interfered beam, and the ID of the neighboring cell.
  • the first network device determines the target beam according to the first interference measurement message and the information of the first beam.
  • the first transceiver device is a second terminal device.
  • the second terminal device and the second network device are in the same serving cell, where S601 includes:
  • the first network device receives a second scheduling response message sent by the second terminal device, where the second scheduling response message is used to notify the scheduling of the second network device, and the second scheduling response message includes the first Information of a beam;
  • the determining, by the first network device, the target beam according to the information of the first beam includes:
  • the first network device selects the target beam according to the second scheduling response message.
  • the second terminal device sends the second scheduling response message to the first network device by using a broadcast message.
  • the second scheduling response message further includes an identifier or an address of the second network device.
  • the first beam is a beam used when the second network device and the second terminal device transmit, and the first beam may be understood as a beam that interferes with a transmission link of the first network device. .
  • the second terminal device may send a second scheduling response message to the second network device when accepting scheduling of the second network device in the neighboring cell.
  • the second terminal device may send the second scheduling response message by using a broadcast, so that the first network device may also receive the second scheduling confirmation message.
  • the second scheduling response message includes information of the first beam.
  • the second scheduling response message may further include identifier or address information of the second terminal device, an ID of a transmission beam of the second terminal device and the second network device, and a transmission duration, where the second network device Identification or address information, etc.
  • the second scheduling response message may further include an ID of a beam that the neighboring cell interferes with the transmission link of the second terminal device and the second network device, and information such as a neighboring cell ID, which is not limited.
  • the first network device may be AP2 in FIG. 8, and the second terminal device may be STA11 in FIG.
  • AP1 and STA11 are located in the same cell, and AP2 is located in the same cell as STA21 and STA22.
  • the AP1 can send the scheduling instruction 1 to the STA 11 in a broadcast form, and the scheduling instruction 1 is used to schedule the STA 11.
  • the scheduling instruction 1 may include the ID of the beam 1, the transmission duration, and the transceiver address.
  • the scheduling instruction 1 may further include the interference beam information of the neighboring cell to the AP1 measured by the STA 11, such as the interference beam ID and the neighboring cell ID corresponding to the interference beam (such as the ID of the cell where the AP2 is located).
  • the STA 11 may reply to the scheduling acknowledgement message 1 by means of a broadcast, and the scheduling acknowledgement message 1 may carry the STA11 ID, the transmission duration, the AP1 address, and the ID of the beam 1.
  • Both AP1 and AP2 can receive the above scheduling confirmation message 1.
  • AP1 can send downlink data to STA11 through beam 1.
  • AP2 knows that the beam 3 is interfered by the beam 1.
  • the beam 3 is not used to transmit data to the STA 21, but the scheduling command 2 is sent to the STA 22, and the scheduling confirmation of the reply from the STA 22 is received.
  • the scheduling command 2 is sent to the STA 22, and the scheduling confirmation of the reply from the STA 22 is received.
  • message 2 data is transmitted to STA 22 through beam 2 to facilitate interference avoidance.
  • the first transceiver device is a second network device.
  • S601 includes:
  • the second interference measurement message may include an ID of the first beam, an ID of a serving cell where the second network device is located, and an identifier or address of the second network device.
  • the first network device and the second network device can interact with each other in a wired or wireless manner to obtain the second interference measurement message.
  • the second network device may perform interference beam measurement on the neighboring cell and send a second interference measurement message.
  • the second network device may send the second interference measurement message by using a broadcast, so that the first network device may also obtain the second interference measurement message.
  • the second interference measurement message includes information of the first beam.
  • the second interference measurement message may be carried in a scheduling instruction, where the scheduling instruction may be a scheduling instruction sent by the second network device to the second terminal device of the local network, for example, the AP sends the information to the local cell.
  • the scheduling instruction of the STA may include information such as an identifier or an address of the second terminal device, a transmission duration, a transmission beam ID, and the like.
  • the first network device may be AP2 in FIG. 9, and the second network device may be AP1 in FIG.
  • AP1 and STA11 are located in the same cell
  • AP2 is located in the same cell as STA21 and STA22.
  • the AP1 can send the scheduling instruction 1 to the STA11 in a broadcast manner, and the AP2 can also obtain the scheduling instruction 1 by interacting with the AP1.
  • the scheduling instruction 1 is used to schedule the STA 11.
  • the scheduling instruction 1 may include the ID of the beam 1, the transmission duration, and the transceiver address.
  • the scheduling instruction 1 may further include an ID of a strong interference beam measured by the AP1 and a neighboring cell ID.
  • the scheduling instruction 1 may further include an interference beam ID measured by the STA 11 and an adjacent cell ID (such as an ID of a cell where the AP2 is located).
  • the STA11 may reply to the scheduling acknowledgement message 1, which may carry the STA11 ID, the transmission duration, the AP1 address, the ID of the beam 1, the interference beam ID, and the neighboring cell ID (such as the cell where the AP2 is located). ID).
  • AP1 can send downlink data to STA11 through beam 1.
  • AP2 knows that the beam 3 is interfered by the beam 1.
  • FIG. 7 to FIG. 9 are only for facilitating the understanding of the embodiments of the present application, and the embodiments of the present application are not limited to the specific scenarios illustrated. It will be obvious to those skilled in the art that various modifications and changes can be made in accordance with the examples of FIG. 7 to FIG. 9. Such modifications or variations are also within the scope of the embodiments of the present invention.
  • FIG. 10 shows a schematic block diagram of an apparatus 1000 for transmitting data in accordance with an embodiment of the present application.
  • the apparatus 1000 may perform a method on a first network device side of a method of transmitting data according to an embodiment of the present application.
  • the apparatus 1000 includes:
  • the acquiring module 1010 is configured to acquire information about a first beam, where the first beam is a beam that is transmitted by the second network device.
  • a determining module 1020 configured to determine, according to information about the first beam, a target beam
  • the transmission module 1030 is configured to use the target beam for transmission.
  • the information of the first beam includes a transmission duration of the first beam, where
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first beam is a beam that is transmitted by the second network device in the first area, where the first area is a common service area of the device 1000 and the second network device or Public service area.
  • the obtaining module 1010 is specifically configured to:
  • the first terminal device And receiving, by the first terminal device, a first scheduling response message, where the first scheduling response message is used to notify the rejection or acceptance of the scheduling of the apparatus, where the first scheduling response message includes information of the first beam.
  • the first scheduling response message is used to notify the rejection of the scheduling of the device
  • the determining module 1020 is specifically configured to:
  • the transmission module 1030 is specifically configured to:
  • the device 1000 further includes:
  • a sending module configured to send, to the first terminal device, a scheduling message, where the scheduling message is used by the apparatus 1000 to notify the scheduling of the first terminal device.
  • the obtaining module 1010 is further configured to:
  • the first interference measurement message includes identifier information of a beam that interferes with transmission of the device and the first terminal device, where the device and the device The identification information of the beam with the strongest transmission interference of the first terminal device, and at least one of the identification information of the optimal beam of the serving cell where the first terminal device is located;
  • the determining module 1020 is configured to:
  • the obtaining module 1010 is specifically configured to:
  • the determining module 1020 is specifically configured to:
  • the obtaining module 1010 is specifically configured to:
  • the second interference measurement message includes identifier information of a beam that causes interference on the transmission of the first network device, and identifier information of the second network device,
  • the first network device transmits at least one of the identification information of the beam with the strongest interference.
  • the apparatus 1000 may correspond to the first network device in the transmission data of the foregoing method embodiment, and the above and other management operations and/or functions of the respective modules in the 1000 apparatus are respectively implemented in order to implement the foregoing
  • the corresponding steps of the method, and thus the beneficial effects in the foregoing method embodiments, can also be implemented.
  • no further details are provided herein.
  • the determining module in the embodiment of the present application may be implemented by a processor, and the obtaining module or the sending module may be implemented by a transceiver.
  • FIG. 11 shows a schematic block diagram of an apparatus 1100 for transmitting data in accordance with an embodiment of the present application.
  • the apparatus 1100 may perform a method on a first transceiver device side of a method of transmitting data according to an embodiment of the present application.
  • the device 1100 includes:
  • a determining module 1110 configured to determine information about a first beam, where the first beam is a beam that is transmitted by the second network device in the first area, where the first area is the first network device and the second a public service area of a network device;
  • a sending module 1120 configured to send information about the first beam to a first network device, where information of the first beam is used by the first network device to determine a target beam, where the target beam is used by the first network The device performs transmission, wherein the transmission of the target beam does not interfere with the transmission of the first beam.
  • the information of the first beam includes a transmission duration of the first beam, where
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first beam is a beam that is transmitted by the second network device in the first area
  • the first area is a public service of the first network device and the second network device. Regional or public service area.
  • the device 1100 is a first terminal device, and the sending module 1120 is specifically configured to:
  • the first scheduling response message is used to notify the rejection of the scheduling of the first network device, where the target beam is used by the first network device to transmit with the device.
  • the device 1100 further includes:
  • a receiving module configured to receive, by the first network device, a scheduling message, where the scheduling message is used by the first network device to notify the first terminal device.
  • the sending module 1120 is further configured to:
  • the first interference measurement message includes identification information of a beam that interferes with transmission of the first network device and the device, where the first network device is The identification information of the beam with the strongest interference with the transmission of the device, and at least one of the identification information of the optimal beam in the serving cell where the device is located.
  • the device 1100 is a second terminal device, and the sending module 1120 is specifically configured to:
  • the device 1100 is a second network device, and the sending module 1120 is further configured to:
  • the first network device Sending, to the first network device, a second interference measurement message, where the second interference measurement message includes identifier information of a beam that causes interference on the transmission of the first network device, and identifier information of the second network device,
  • the first network device transmits at least one of the identification information of the beam with the strongest interference.
  • the apparatus 1100 may correspond to the first transceiver device in the transmission data of the foregoing method embodiment, and the above and other management operations and/or functions of the respective modules in the 1100 device are respectively implemented to implement the foregoing
  • the corresponding steps of the method, and thus the beneficial effects in the foregoing method embodiments, can also be implemented.
  • no further details are provided herein.
  • the determining module in the embodiment of the present application may be implemented by a processor, and the receiving module or the sending module may be implemented by a transceiver.
  • FIG. 12 is a structural block diagram of an apparatus 1200 for transmitting data according to another embodiment of the present application.
  • the apparatus 1200 for transmitting data shown in FIG. 12 includes a processor 1201, a memory 1202, and a transceiver 1203.
  • the processor 1201, the memory 1202, and the transceiver 1203 communicate with each other through an internal connection path to transfer control and/or data signals.
  • the processor 1201, the memory 1202, and the transceiver 1203 can be implemented by a chip.
  • the memory 1202 can store program code, and the processor 1201 calls the program code stored in the memory 1202 to implement the corresponding function of the device that transmits the data.
  • the transceiver 1201 is configured to:
  • the processor 1201 is configured to: determine, according to information about the first beam, a target beam;
  • the information about the first beam includes a transmission duration of the first beam.
  • the target beam does not interfere with the transmission of the first beam during the transmission duration of the first beam.
  • the transmission of the target beam does not interfere with the transmission of the first beam.
  • the first beam is a beam that is transmitted by the second network device in the first area, where the first area is a common service area of the device 1200 and the second network device or Public service area.
  • the device 1200 for transmitting data may also include other devices, such as input devices, output devices, batteries, and the like.
  • the memory 1202 can store instructions for performing the method performed by the first network device in the aforementioned method.
  • the processor 1201 can execute the instructions stored in the memory 1202 in combination with other hardware (for example, the transceiver 1203) to complete the steps performed by the first network device in the foregoing method.
  • other hardware for example, the transceiver 1203
  • FIG. 13 is a structural block diagram of an apparatus 1300 for transmitting data according to another embodiment of the present application.
  • the apparatus 1300 for transmitting data shown in FIG. 13 includes a processor 1301, a memory 1302, and a transceiver 1303.
  • the processor 1301, the memory 1302, and the transceiver 1303 communicate with each other through an internal connection path to transfer control and/or data signals.
  • the processor 1301, the memory 1302, and the transceiver 1303 can be implemented by a chip.
  • the memory 1302 can store program code, and the processor 1301 calls the program code stored in the memory 1302 to implement the corresponding function of the device that transmits the data.
  • the processor 1301 is configured to: send, by using the transceiver 1303, information about the first beam, where the first beam is a beam that is transmitted by a second network device.
  • the first beam is a beam that is transmitted by the second network device in the first area, where the first area is a common service area of the device 1300 and the second network device or Public service area.
  • the device 1300 for transmitting data may also include other devices such as input devices, output devices, batteries, and the like.
  • the memory 1302 can store instructions for performing the method performed by the first transceiver device in the aforementioned method.
  • the processor 1301 can execute the instructions stored in the memory 1302 in combination with other hardware (for example, the transceiver 1303) to complete the steps performed by the first transceiver device in the foregoing method.
  • other hardware for example, the transceiver 1303
  • the method disclosed in the foregoing embodiment of the present application may be applied to a processor or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or the like.
  • Programming logic device discrete gate or transistor logic device, discrete hardware component, system chip (SoC), central processor unit (CPU), or network processor (network) Processor, NP
  • SoC system chip
  • CPU central processor unit
  • NP network processor
  • DSP digital signal processor
  • MCU microcontroller
  • PLD programmable logic device
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a random access memory (RAM), a flash memory, a read-only memory (ROM), a programmable read only memory or an electrically erasable programmable memory, a register, etc.
  • RAM random access memory
  • ROM read-only memory
  • programmable read only memory or an electrically erasable programmable memory
  • register etc.
  • the storage medium is located in the memory, and the processor reads the instructions in the memory and combines the hardware to complete the steps of the above method.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory ROM, a random access memory RAM, a magnetic disk, or an optical disk, and the like, which can store program codes.

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Abstract

La présente invention concerne un procédé et un dispositif de transmission de données. Le procédé comprend les étapes suivantes : un premier dispositif de réseau acquiert des informations relatives à un premier faisceau, le premier faisceau étant un faisceau qui est transmis par un second dispositif de réseau ; le premier dispositif de réseau détermine un faisceau cible d'après les informations relatives au premier faisceau ; et le premier dispositif de réseau utilise le faisceau cible pour exécuter une transmission. Le procédé et le dispositif de transmission de données décrits dans les modes de réalisation de la présente invention peuvent empêcher un brouillage.
PCT/CN2018/107844 2017-09-29 2018-09-27 Procédé et dispositif de transmission de données WO2019062797A1 (fr)

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