WO2017121392A1 - Procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et station de base et terminal - Google Patents

Procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et station de base et terminal Download PDF

Info

Publication number
WO2017121392A1
WO2017121392A1 PCT/CN2017/071171 CN2017071171W WO2017121392A1 WO 2017121392 A1 WO2017121392 A1 WO 2017121392A1 CN 2017071171 W CN2017071171 W CN 2017071171W WO 2017121392 A1 WO2017121392 A1 WO 2017121392A1
Authority
WO
WIPO (PCT)
Prior art keywords
port
base station
terminal
transmit
ports
Prior art date
Application number
PCT/CN2017/071171
Other languages
English (en)
Chinese (zh)
Inventor
梅猛
刘文豪
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 WO2017121392A1 publication Critical patent/WO2017121392A1/fr

Links

Images

Classifications

    • 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
    • H04W16/18—Network planning tools
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present disclosure relates to the field of millimeter wave communication, for example, to a transmission method, a base station, and a terminal for implementing millimeter wave communication.
  • Millimeter wave communication has become one of the methods that can solve high-speed data communication.
  • the wireless signal energy transmitted by millimeter wave has high directivity.
  • the research results show that the wireless transmission is carried out in the 60 GHz band, and 99.99% of the signal energy is concentrated in the beam range of 4.7 degrees. Therefore, when wireless communication is performed using the millimeter wave band, usually The directional transmission of multiple beams is performed using a high frequency directional antenna or a phased array.
  • each channel can perform data transmission with multiple ports matched by the base station.
  • the terminal can flexibly utilize the resources of the multi-port of the base station to exchange data, thereby becoming a communication system.
  • a data communication technology scheme of a multi-user and a base station includes a technology introduced in a Long Term Evolution (LTE) system technology and an 802.11ad protocol of the Institute of Electrical and Electronics Engineers (IEEE).
  • LTE Long Term Evolution
  • IEEE Institute of Electrical and Electronics Engineers
  • the LTE solution has the following disadvantages: Massive Multiple-Input Multiple-Output (Massive MIMO) technology introduces more ports, generally requires 32 or more port numbers, and high-frequency communication Limited by device cost, the number of ports is limited, and all ports in Massive MIMO technology share an antenna array, and the spacing of each antenna element in the entire antenna array is basically the same, without obvious physical spacing, resulting in beam generation.
  • the physical distinction is not high enough.
  • the transmitter only performs digital precoding and cannot support finer beam training.
  • the terminal only performs omnidirectional reception and cannot generate a finer beam. That is, if the base station implements fine beam training or transmission, the terminal cannot align with the base station through the fine beam, which will eventually affect the coverage of the base station signal.
  • the transmission and feedback schemes introduced in the IEEE 802.11ad protocol have the following disadvantages: the beam training method is fixed, and only the time-division method can be used for beam training, and all high-frequency directional antennas of the sender and receiver of the beam training are used (Directional Multi- Gigabit, DMG) counts the number of antennas and the number of sectors, for example, the number of antennas of one DMG is three, including antenna 1, antenna 2, and antenna 3, wherein antenna 1 makes With 4 sectors, antenna 2 uses 3 sectors and antenna 3 uses 2 sectors.
  • the responder uses 2 DMG antennas, then the total number of scans is 18, through beam training and feedback. In this way, beam selection and feedback cannot be flexibly performed according to actual requirements, and the data transmission method is fixed.
  • the base station and the terminal can only select one port for data transmission according to the result of beam training, and cannot flexibly cope with clustering and clustering in high-frequency communication. phenomenon.
  • the embodiment provides a transmission method, a base station and a terminal for realizing millimeter wave communication, so as to solve the technical problem of clustering and clustering in high frequency communication.
  • This embodiment provides a transmission method for implementing millimeter wave communication, including:
  • the base station performs hybrid beamforming, and performs beam training on the terminal, and sends all the transmission port and beam combination information to the terminal, and sends signaling for triggering the feedback mode to the terminal according to the current available port resource status of the base station;
  • the base station reassigns the transmit port and the beam combination according to the currently available port resource of the base station and the transmit port and beam combination information of the base station fed back by the terminal port, and feeds back the retransmitted transmit port and beam combination information to The terminal.
  • the signaling includes a one-bit binary number identifier; when the binary number identifier is 0, the receiving terminal feeds back a single selected transmit port and beam combination corresponding to each transmit port on the base station side, when the binary When the number is 1, the receiving terminal feeds back a plurality of selected transmitting ports and beam combinations corresponding to each transmitting port on the base station side; or when the binary number is 0, the transmitting terminal corresponds to each transmitting port on the base station side. Multiple selected transmit ports and beam combinations, when the binary number is identified as 1, a single selected transmit port and beam combination corresponding to each transmit port on the base station side fed back by the receiving terminal.
  • the single selected transmit port and beam combination corresponding to each transmit port on the base station side is a single transmit port and beam combination with the largest SINR value or SNR value and satisfying the first specified condition; each transmit on the base station side
  • the plurality of selected transmit ports and beams corresponding to the port are combined into a plurality of transmit ports and beam combinations whose SINR value or SNR value satisfies the second specified condition.
  • the signaling includes a number of transmit ports currently available to the base station.
  • the base station after performing synchronization with the terminal, the base station sends signaling for triggering a feedback mode to the terminal when performing beam information interaction with the terminal; or, the base station is in the After the terminal completes the synchronization, in the start frame of the transmit beam training, signaling for triggering the feedback mode is sent to the terminal.
  • the method may further include: the base station separately recording beam training of each transmitting port The number of times of training, the number of beam training for each transmitting port is the number of beams that are shaped by the RF beam that the transmitting port needs to perform RF beam training; and the training of the RF beam corresponding to the transmitting port of the base station is performed once, then the count is decremented by 1, when counting When 0, the transmission beam training of the base station transmitting port is completed.
  • the method may further include: after the base station feeds back the retransmitted transmit port and beam combination information to the terminal, according to information fed back by each port of the terminal, The port and the beam combination information that is reassigned by the port.
  • the base station performs precoding, the same data is sent for each port of the terminal, or different ports are sent for each port according to different port information of the terminal. The data.
  • This embodiment also provides a base station, including:
  • the beam training module is configured to perform hybrid beamforming, and when performing beam training, send all the transmission port and beam combination information to the terminal, and send signaling for triggering the feedback mode to the terminal according to the currently available port resource status of the base station;
  • an allocating module configured to reallocate the transmit port and the beam combination according to the currently available port resource status of the base station and the transmit port and beam combination information of the base station fed back by the terminal port, and combine the retransmitted transmit port and beam combination Information is fed back to the terminal.
  • the beam training module is configured to send binary number identification signaling, and when the binary number identifier is 0, receive a single selected transmit port and beam combination corresponding to each transmit port of the base station side fed back by the terminal, When the binary number identifier is 1, the receiving terminal feeds back a plurality of selected transmitting ports and beam combinations corresponding to each transmitting port on the base station side; or when the binary number identifier is 0, the receiving terminal feeds back the base station side. a plurality of selected transmit ports and beam combinations corresponding to the transmit ports, when the binary number is 1, a single selected transmit port and beam combination corresponding to each transmit port on the base station side fed back by the receiving terminal; or the beam A training module is arranged to transmit signaling including the number of ports currently available to the base station.
  • the single selected transmit port and beam combination corresponding to each transmit port on the base station side is a single transmit port and beam combination with the largest SINR value or SNR value and satisfying the first specified condition; each transmit on the base station side
  • the plurality of selected transmit ports and beams corresponding to the port are combined into a plurality of transmit ports and beam combinations whose SINR value or SNR value satisfies the second specified condition.
  • the beam training module is configured to: after the terminal completes synchronization, send signaling for triggering the feedback mode to the terminal when performing beam information interaction with the terminal; or In the start frame, signaling for triggering the feedback mode is sent to the terminal.
  • the beam training module is configured to separately record the number of times that each of the transmitting ports performs beam training, and the number of times that each of the transmitting ports performs beam training is that the transmitting port needs to perform radio frequency beam training for RF beamforming.
  • the number of beams; the radio frequency beam training corresponding to the base station transmitting port is performed once, Then, the count is decremented by 1. When the count is 0, it indicates that the transmission beam training of the base station transmitting port is completed.
  • the base station may further include: a precoding module, configured to: after the allocation module feeds back the retransmitted transmit port and beam combination information to the terminal, according to information and information fed back by each port of the terminal
  • the allocation module is configured to retransmit the transmit port and the beam combination information of each port of the terminal.
  • the embodiment further provides a transmission method for implementing millimeter wave communication, including:
  • the terminal receives all the transmit port and beam combination information generated by the base station hybrid beamforming through each port; the terminal calculates multiple signal and interference plus noise ratio SINR values or letters according to all received transmit ports and beam combinations. a noise ratio SNR value, selecting a transmission port and a beam combination corresponding to each of the transmitting ports on the base station side to be fed back; and, according to the signaling of the trigger feedback manner sent by the base station, the terminal feeding back each selected transmission to the base station The port and beam combination corresponding to the port.
  • the terminal when the terminal receives the signaling indication sent by the base station by using a port to use a single transmit port and beam combination feedback, the terminal feeds back, to the base station, a selected transmit port and a beam corresponding to each port.
  • Combining comprising: calculating, according to the received multiple transmit port and beam combination information sent by the base station through each port, a plurality of SINR values or SNR values, where the terminal will be the largest and satisfy the SINR value of the first specified condition Or the transmit port and beam combination corresponding to the SNR value is fed back to the base station as a single selected transmit port and beam combination corresponding to each transmit port.
  • the method may further include: when receiving all the port transmission information of the base station, all the terminals are 0, the terminal feeds back, by using each port, a single selected transmission port corresponding to each transmission port and Beam combination.
  • the terminal when the terminal receives the signaling indication sent by the base station by using the port to use multiple transmit port and beam combination feedback, the terminal sends back the selected transmit port and beam combination to: according to the letter The option is to feed back multiple selected transmit ports and beam combinations to the base station.
  • the terminal feeds back multiple selected transmit ports and beam combinations to the base station, including: after the base station sends all the transmit ports and beam combinations, according to the received base station Calculating a plurality of SINR values or SNR values by using multiple transmit port and beam combination information sent by each transmit port, and the terminal will meet multiple SINR values or SNR values corresponding to the second specified condition and multiple transmit ports and The beam combination is fed back to the base station as a plurality of selected transmit ports and beam combinations; or when the base station transmits multiple transmit ports and beam combinations to the terminal through the transmit port currently performing beam training, according to the received multiple transmit ports and
  • the beam combining information is used to calculate a plurality of SINR values or SNR values, and multiple transmission ports and beam combinations corresponding to multiple SINR values or SNR values satisfying the third specified condition are used as multiple selections corresponding to the current beam training transmission port. Fixed transmit port and beam The feedback is combined to the base station until beam training is completed.
  • the terminal combines the same transmit port and beam combination of the base station fed back by different ports of the terminal, and only feeds back once.
  • the embodiment further provides a transmission device for implementing millimeter wave communication, which is disposed in the terminal, and includes:
  • the receiving module is configured to receive all transmitting port and beam combination information generated by the base station hybrid beamforming; and the selecting module is configured to calculate, according to all the received transmitting port and beam combination information, multiple signal to interference plus noise ratio SINR a value or a signal-to-noise ratio (SNR) value, selecting a transmission port and beam combination information corresponding to each of the transmitting ports on the base station side to be fed back; and a feedback module configured to perform signaling according to a trigger feedback manner sent by the base station to the base station Feedback of the selected transmit port and beam combination for each port selected.
  • SINR signal to interference plus noise ratio
  • the feedback module is configured to: when receiving the signaling sent by the base station, indicating that a single transmit port and beam combination feedback is adopted, according to the received multiple transmit sent by the base station through each transmit port
  • the port and the beam combination information are calculated to obtain a plurality of SINR values or SNR values, and the transmit port and the beam combination corresponding to the SINR value or the SNR value that meet the first specified condition are respectively used as a single selected transmit port corresponding to each transmit port and
  • the beam combination when all the transmission information of all the transmitting ports of the base station are received, is 0, and the base station is fed back to a single selected transmitting port and beam combination corresponding to each transmitting port on the base station side.
  • the feedback module is configured to: when receiving the signaling sent by the base station, indicating that multiple transmit ports and beam combination feedback are used, according to the signaling, multiple transmit ports corresponding to each transmit port on the base station side The selected transmit port and beam combination are fed back to the base station.
  • the feedback module is configured to: after the base station sends all the transmit ports and beam combinations through all ports, calculate, according to the received transmit port and beam combination information of the base station, each base station side is calculated.
  • a plurality of SINR values or SNR values corresponding to the port, and a plurality of SINR values or SNR values corresponding to the second specified condition of the plurality of SINR values or SNR values corresponding to each port on the base station side And transmitting, by the base station, a plurality of selected transmit ports and beam combinations corresponding to the transmit port to the base station; or, when the base station sends multiple transmit ports and beam combinations to the terminal through the transmit port currently performing beam training, according to the received multiple transmit
  • the port and the beam combination information are used to calculate a plurality of SINR values or SNR values, and the plurality of transmission ports and beam combinations corresponding to the plurality of SINR values or SNR values satisfying the third specified condition are used as the corresponding transmission port of the current beam training.
  • the selected transmit ports and beam combinations are fed back to
  • the embodiment further provides a non-transitory computer readable storage medium storing computer executable instructions for performing any of the above-described transmission methods for implementing millimeter wave communication.
  • the embodiment further provides a base station, where the base station includes one or more processors, a memory, and a And one or more programs, the one or more programs being stored in the memory, and when executed by the one or more processors, performing any of the above-described transmission methods applied to the base station side for implementing millimeter wave communication.
  • the embodiment further provides a terminal including one or more processors, a memory, and one or more programs, the one or more programs being stored in a memory, when executed by one or more processors, Any one of the above-described transmission methods for implementing millimeter wave communication applied to the terminal side is performed.
  • the embodiment further provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer And causing the computer to perform any of the above-described transmission methods for implementing millimeter wave communication applied to the base station side or the terminal side.
  • the present disclosure provides a transmission method, a base station, and a terminal for implementing millimeter wave communication, which can solve the impact coverage and clustering clustering phenomenon that may occur in the LTE and IEEE 802.11ad technologies.
  • FIG. 1 is a flowchart of a method for transmitting millimeter wave communication on a base station side in the embodiment.
  • FIG. 2 is a flowchart of a method for transmitting millimeter wave communication on the terminal side in the embodiment.
  • FIG. 3 is a schematic diagram of an application scenario in the embodiment.
  • FIG. 4 is a schematic flowchart of optimal beam feedback in the embodiment.
  • FIG. 5 is a schematic diagram of multiple preferred beam feedbacks in the present embodiment.
  • FIG. 6 is a schematic flow chart of multiple preferred beam timing feedbacks in this embodiment.
  • FIG. 7 is a schematic diagram of multiple sub-band divisions in the embodiment.
  • FIG. 8 is a schematic diagram of multiple sub-band feedback processes in the embodiment.
  • FIG. 9 is a schematic diagram of a base station in the embodiment.
  • FIG. 10 is a schematic diagram of a transmission device for implementing millimeter wave communication in the embodiment.
  • FIG. 11 is a schematic structural diagram of hardware of a base station in the embodiment.
  • FIG. 12 is a schematic structural diagram of hardware of a terminal in the embodiment.
  • FIG. 1 is a flowchart of a method for transmitting millimeter wave communication on the base station side in the embodiment. As shown in FIG. 1 , the transmission method in this embodiment may include steps 110 to 120.
  • the base station performs hybrid beamforming, and when performing beam training, sends all the transmission port and beam combination information to the terminal, and sends the information to the terminal according to the currently available port resources of the base station. Signaling for triggering the feedback mode.
  • step 120 the base station re-allocates the transmit port and beam combination information according to the current available port resource condition and the transmit port and beam combination information of the base station fed back by each port of the terminal, and re-allocates the transmit port and The beam combining information is fed back to the terminal.
  • the signaling sent by the base station to the terminal may be any of the following manners.
  • the signaling may be a binary number identifier, which is 1 bit.
  • the base station receives a single selected transmit port and beam combination corresponding to each transmit port fed back by the terminal, and when the binary number identifier is 1, the base station receives each transmit port corresponding to the terminal feedback. Multiple selected transmit ports and beam combinations; or, when the binary number is 0, the base station receives a plurality of selected transmit ports and beam combinations corresponding to each transmit port fed back by the terminal, when the binary number identifies
  • 1, the base station receives a single selected transmit port and beam combination corresponding to each port fed back by the terminal;
  • the signaling may be the number of ports currently available to the base station.
  • the single selected transmit port and beam combination corresponding to each transmit port on the base station side is a single transmit port and beam combination with the largest SINR value or SNR value and satisfying the first specified condition, which is simply referred to as an optimal transmit port and Beam combination;
  • the plurality of selected transmit ports and beam combinations corresponding to each transmit port on the base station side are multiple transmit ports and beam combinations whose SINR value or SNR value satisfies the second specified condition, and are simply referred to as multiple preferred transmit ports and beam combinations. .
  • the base station after performing synchronization with the terminal, the base station sends signaling for triggering the feedback mode to the terminal when performing beam information interaction with the terminal; or after transmitting synchronization with the terminal, sending In the start frame of the beam training, the signaling is sent to the terminal.
  • the number of times that each port in the base station performs beam training is counted by:
  • the base station counts each port separately, and the number of times each port beam is trained is the number of beams that the port needs to perform RF beam training for RF beam training.
  • the radio frequency beam training corresponding to the transmitting port is performed once, and the counting is decremented by 1. When the counting is 0, the transmitting beam training of the transmitting port of the base station side is completed.
  • the base station reassigning the transmit port and the beam combination information may refer to the base station receiving the maximum set of base station side transmit ports and beam combinations fed back by all the ports of the terminal. That is, in the case that the port resources are not in conflict with other terminals, the maximum number of transmitting ports of the base station is selected, and the transmitting port and beam combination corresponding to each transmitting port are selected according to the feedback of the terminal, and the base station side needs to meet the same time. The requirement to send data through one beam of a port.
  • the base station returns the content according to the feedback of each port of the terminal and the redistribution of all the ports of the terminal. Port and beam combination.
  • the data sent to all ports of the terminal can be one of the following:
  • the base station sends the same data for all ports of the terminal;
  • the base station sends different data for different ports according to different terminal port information.
  • the base station side has multiple ports, and each port corresponds to a radio frequency (RF) chain.
  • the antenna array corresponding to each RF chain can transmit data through different beams.
  • the port and beam concept and function of the terminal are similar to those of the base station.
  • Each port of the terminal also corresponds to an RF chain.
  • the antenna array corresponding to each RF chain can transmit data through different beams.
  • the base station transmits data through one or more transmit ports and radio frequency transmit beams corresponding to the transmit ports.
  • the terminal receives data transmitted by the base station by using each receiving port and a receiving beam corresponding to the receiving port.
  • the terminal calculates multiple SINR values or SNR values corresponding to the transmit port and beam combination information of each transmit port on the base station side, and calculates the calculated
  • the multiple SINR values or SNR values corresponding to each transmitting port are compared with the preset SINR value or SNR value of the terminal, and the transmitting port and beam combination of each transmitting port on the base station side that meets the requirements are determined, and each requirement is met.
  • the transmit port and beam combination of the transmit ports are fed back to the base station side. After the base station reallocates the resources of the transmit port and the beam combination, the base station uses the redistributed transmit port and the beam combination to perform data transmission with the terminal.
  • the beam may refer to a resource (eg, originating precoding, terminating precoding, antenna port, antenna weight vector, antenna weight matrix, etc.), and the identity code (Identification, ID) of the beam may be replaced. It is the resource ID because the beam can be bound to some time-frequency code resources for transmission.
  • the beam may also be in a transmission (transmit/receive) manner, and the transmission manner may include space division multiplexing, frequency domain/time domain diversity, and the like.
  • FIG. 2 is a flowchart of a method for transmitting millimeter wave communication on the terminal side in the embodiment. As shown in FIG. 2, the transmission method in this embodiment may include steps 210 to 230.
  • step 210 the terminal receives the transmit port and beam combination generated by the base station hybrid beamforming through the beam of each port.
  • step 220 the terminal calculates the SINR value or SNR value corresponding to the transmit port and the beam combination received by each port, and selects the transmit port and beam combination of the base station side to be fed back.
  • step 230 according to the signaling of the trigger feedback mode sent by the base station, the terminal feeds back the optimal transmit port and beam combination information corresponding to each transmit port to the base station, or the terminal feeds back to the base station corresponding to each transmit port.
  • Preferred transmit port and beam combining information Preferred transmit port and beam combining information.
  • the terminal can obtain the SINR value or the SNR value of the transmit port and beam combination information sent by the base station through calculation, and the value can be used to characterize the strength of the corresponding transmit port and beam transmit signal on the base station side.
  • the terminal side may be pre-set with a SINR value or an SNR value, and the terminal compares the calculated SINR value or SNR value with a preset SINR value or SNR value, and when the calculated SINR value or SNR value is less than a preset SINR value, Or the SNR value, the terminal determines that the SINR value or the SNR value corresponding to the transmit port and beam combination does not meet the requirements.
  • the SINR value or the SNR value preset on the terminal side is a fixed threshold; or the preset SINR value or SNR value on the terminal side dynamically changes according to an actual SINR value or an SNR value.
  • the preset SINR value or SNR value of the terminal side is a fixed threshold
  • the terminal calculates that all the SINR values or SNR values do not satisfy the preset SINR value or the SNR value, the terminal determines that the transmitting port and the beam do not meet the requirements.
  • the combination indicates that the current communication condition between the base station and the terminal is poor, and is not suitable for data transmission.
  • the preset SINR value or the SNR value may be increased.
  • the terminal side preset SINR value or the SNR value may be reduced.
  • the SINR value or the SNR value preset on the terminal side is a fixed threshold value.
  • the terminal calculates the SINR value or the SNR value corresponding to the received transmit port and the beam combination, and calculates a plurality of SINR values or SNR values corresponding to each transmit port and the preset value.
  • the SINR value or the SNR value is compared. If the calculated multiple SINR value or SNR value corresponding to each transmitting port meets the preset SINR value or SNR value of the terminal, the terminal may determine that the port and the beam of the terminal satisfy the feedback to the base station.
  • the condition can also determine a plurality of ports and beam combinations corresponding to each transmitting port on the base station side that meet the requirements, thereby implementing requirements for multi-channel data transmission between the terminal and the base station.
  • the terminal feedbacks the optimal transmit port and beam combination information corresponding to each transmit port to the base station side by using the compliant port and the beam:
  • the terminal receives the signaling sent by the base station, where the signaling indicates that the terminal adopts an optimal transmitting port and beam combination feedback.
  • the terminal calculates the SINR value or the SIN value corresponding to the received multiple port and the beam combination, and compares the calculated SINR value or SIN value corresponding to each transmitting port with the preset SINR value or SIN value of the terminal to determine The optimal transmit port and beam combination corresponding to each transmit port of the required base station.
  • the determining the optimal transmit port and the beam combination of each transmit port on the base station side that meets the requirement may be that the terminal determines, according to the calculated multiple SINR values or SNR values corresponding to each transmit port, each transmit port of the base station.
  • the transmit port and beam combination corresponding to the SINR value or the SNR value, and the transmit port and beam combination are used as the optimal transmit port and beam combination of the transmit port on the base station side.
  • the terminal compares multiple SINR values or SNR values, and when determining that there are multiple identical maximum SINR values or SNR values, indicating that there are multiple optimal transmit ports and beam combinations corresponding to some or one transmitting port on the base station side.
  • the terminal may combine multiple optimal transmit ports and beams corresponding to the transmit port.
  • the feedback is sent to the base station, and an optimal transmit port and beam combination may be randomly selected from the plurality of optimal transmit ports and beam combinations and fed back to the base station.
  • the terminal randomly determines an optimal transmit port and beam combination feedback from the plurality of optimal transmit ports and beam combinations to the base station.
  • the terminal When the terminal receives all the transmission information of all the transmitting ports on the base station side, the terminal counts all to 0, and each port of the terminal feeds back to the base station the optimal transmitting port and beam combination corresponding to each transmitting port of the base station.
  • each terminal of the terminal feeding back multiple preferred transmit ports and beam combinations to the base station side may include:
  • the terminal receives the signaling sent by the base station, and uses multiple preferred transmit port and beam combination feedback according to the signaling.
  • the terminal calculates the SINR value or the SNR value corresponding to all the received port and the beam combination, and compares the calculated SINR value or SNR value corresponding to each of the transmitted ports with the preset SINR value or SNR value of the terminal, when calculating
  • a plurality of preferred transmit ports and beam combinations corresponding to each transmit port on the base station side satisfying the requirement are determined.
  • the feedback manner of feeding back multiple preferred transmit ports and beam combinations to the base station side is any one of the following modes:
  • the base station side may send all the transmitting port and beam combination information, and the terminal respectively calculates the SINR values corresponding to all the transmitting port and beam combination information sent by the received base station.
  • SNR value determining, according to all SINR values or SNR values corresponding to each transmitting port, multiple preferred transmitting ports and beam combinations corresponding to each port that meet the requirements, and combining multiple preferred transmitting ports and beams corresponding to each port Feedback to the base station.
  • the base station side sends the transmit port and the beam combination to the terminal through the transmit port that is currently performing beam training, and each port of the terminal calculates multiple SINRs or SNRs according to the received current transmit port and beam combination, and multiple SINRs are calculated according to the calculation.
  • the value or SNR value is selected to meet the required transmit port and beam combination feedback to the base station, and then the corresponding transmit port and beam combination are selected according to the transmit port and beam combination information sent by the base station next beam training for feedback until all transmit ports of the base station are received.
  • the beam training is completed.
  • the terminal may perform an "intersection" operation on the content of the multi-port feedback, and combine the same transmit port and beam combination of the base station side fed back by each port of the terminal, and the same transmit port and beam combination are only fed back once. Reduce feedback overhead.
  • the terminal can perform the following two methods according to the signaling of the trigger feedback mode and the method for the terminal to perform feedback.
  • the terminal may perform the "take intersection" operation when feedback is performed after the beam training of all the transmit ports of the base station is completed;
  • each terminal needs to perform feedback after each beam training, and the terminal can perform an "intersection" operation.
  • the method of the embodiment uses the characteristics of the multi-port, multi-beam, narrow-beam and terminal multi-port on the high-frequency communication base station side, and triggers the terminal to perform multi-port feedback through the signaling sent by the base station. Since each port on the terminal side performs a multi-beam combined feedback operation on the received base station side beam, and the base station performs channel re-allocation according to the feedback of the terminal, the base station can be more utilized and more flexible. Assigning ports and beam resources to the terminal can effectively improve link quality and reduce clustering and clustering in high-frequency communication without greatly affecting other terminals under the base station.
  • FIG. 3 shows an application scenario of the present embodiment. Both the base station side and the terminal side perform multi-port multi-beam training and data transmission. The following describes the disclosure in combination with application scenarios and embodiments.
  • a flow of a transmission method for implementing millimeter wave communication, using the optimal transmission port and beam combination feedback method described in this embodiment, may include steps 101-108.
  • step 101 after the base station completes synchronization with the terminal, performing beam capability interaction, the base station informs the terminal base station of the port and beam receiving and transmitting capabilities, and the terminal informs the base station terminal of the port and beam receiving and transmitting capabilities.
  • the base station For a terminal that needs to perform beam training, in the beam capability interaction or in the start frame of the beam training, the base station sends a signaling to the terminal to inform all terminals of the terminal that the base station side optimal transmit port and beam combination feedback needs to be sent and sent.
  • the basis of the signaling is that the base station can provide the number of ports for data transmission and the like for the terminal that needs to perform data transmission for the new access to be less than the threshold.
  • step 102 the base station starts transmitting beam training for each transmitting port, and each training frame carries number information of the transmitting port and the beam combination and the number of times the beam training needs to be performed.
  • each port can generate M t beams corresponding to the radio frequency end, and N r ports on the terminal side, and each port has M r beams.
  • the number of beams corresponding to each port may be the same or different.
  • each port corresponds to the same number of beams.
  • each of the transmissions is performed when the base station performs beam training in the following step. The method of port counting is similar.
  • the number of times of beam training for each transmitting port on the base station side is separately counted.
  • the number of times each of the transmit port beam trainings is counted as M t ⁇ M r .
  • the number of times the base station sends data through the beam of each transmitting port traverses all the beams of all ports of the terminal.
  • the number of times that each base station needs to perform beam training can be recorded as M t ⁇ M r .
  • the terminal receives the transmit port and beam combination information sent by the base station side through the beam of each port, and calculates the SINR value.
  • an optimal transmit port and beam combination corresponding to each transmit port of the base station that meets the requirement is selected.
  • the SINR maximization principle may be to select multiple transmit ports and beam combinations corresponding to each transmit port on the base station side when there are multiple transmit ports and beam combinations corresponding to each transmit port on the base station side that meet the preset SINR value.
  • the transmitting port and beam combination with the largest SINR value are used as the optimal transmitting port and beam combination corresponding to each port.
  • the first specified condition may be that the calculated SINR values are greater than or equal to the terminal preset SINR value.
  • the setting of the preset SINR value on the terminal side should ensure that the error rate is less than the threshold when data transmission is performed, and can be set according to the demand characteristics of the terminal itself.
  • each port has M r beams.
  • All combinations of transmit beam ports and each port of the terminal side received by the base station according to the principle of maximizing SINR and a first designated condition, to select all terminals transmit beam ports and combinations meet the requirements of transmit ports and a beam combiner co n t , where n t ⁇ N t , indicating that a total of n t pairs of base station side transmission ports and M t beams corresponding to each transmission port are selected, and then the corresponding transmission with the largest SINR value is determined from n t transmission ports and beam combinations.
  • the port and beam combination is used as the optimal transmit port and beam combination.
  • the terminal side is limited by the received SINR or SNR (the limitation may include, for example, a Quadrature Phase Shift Keying (QPSK) modulation scheme at a 1/8 code rate.
  • the demodulation threshold SNR requirement is -5.1dB, or the demodulation threshold SNR requirement of 7.9dB for 16QAM modulation at 1/2 code rate, etc.), and may not use all the ports of the terminal for feedback and data transmission. .
  • N r is assumed that there are ports in the port n r meet the conditions, the number of selected transmit-ports of the port n r and the base station to the beam combiner, respectively
  • n t1 represents a set of optimal ports and beam combinations of the base station selected by the first port of the terminal, It represents a set of optimal combination of beam ports and port n r selected base station terminal.
  • the operation may be: the terminal analyzes the selection result of each port, and when the optimal transmission port and beam combination of the base station side corresponding to different ports of the terminal are the same, the operation will be different. The same selection result corresponding to the port is merged, and multiple feedbacks are not performed on the same selection result through multiple terminal ports.
  • the terminal feeds back through multiple ports that meet the requirements, and the content of the feedback may be an optimal transmission port and beam combination corresponding to each transmission port of the base station side that is selected by each port of the terminal according to the preset SINR value. Compared with the number of combinations before the intersection, the content of the feedback is reduced to among them, Thereby the overhead can be reduced.
  • the base station receives feedback from the terminal. Transmitting port and beam combination of the base stations, and reallocating the transmitting port and the beam according to the currently available port resources, that is, feedback from the terminal Select some available transmit ports and beam combinations in the combination, the number of combinations is among them,
  • the transmit port and beam combination of the base station fed back by some terminals may not be allocated to the terminal, so the reassignment combination needs to be satisfied.
  • step 106 the base station feeds back the reassigned transmit port and beam combining information to the terminal.
  • step 107 since the feedback of the terminal in step 103 is feedback according to the port condition of the terminal, the terminal can determine which beam of which port to use for receiving according to the feedback of the base station in step 106, and according to the content fed back by the base station. Make measurement feedback.
  • step 108 the base station performs precoding processing according to the report result of the terminal, thereby implementing data transmission between the base station and the terminal.
  • Each port of the terminal adopts multiple preferred transmit ports and beam combination feedback modes, and may include steps 201-208.
  • step 201 after the base station completes synchronization with the terminal, performing beam capability interaction, the base station informs the terminal base station of the port and beam transmission and reception capabilities, and the terminal informs the base station terminal of the port and beam reception and transmission capabilities.
  • the base station For a terminal that needs to perform beam training, the base station sends a signaling to the terminal in the beam capability interaction or in the start frame of the beam training, and informs the terminal that all ports need to perform multiple preferred transmit port and beam combination feedback, and send signaling. Based on this, the base station can provide more resources than the threshold for the number of ports for which the new access needs data transmission.
  • step 202 the base station starts transmission beam training for each transmission port, and each beam training frame carries number information of the transmission port and beam combination and the number of times the beam training needs to be performed.
  • each port can generate M t beams corresponding to the radio frequency end, and N r ports on the terminal side, and each port has M r beams.
  • the number of beams corresponding to each port may be the same or different.
  • each port corresponds to the same number of beams.
  • each of the transmissions is performed when the base station performs beam training in the following step. The method of port counting is similar.
  • the number of times of beam training for each transmitting port on the base station side is separately counted.
  • the number of times each of the transmit port beam trainings is counted as M t ⁇ M r .
  • the number of times the base station sends data through the beam of each transmitting port traverses all the beams of all ports of the terminal.
  • the number of times that each base station needs to perform beam training can be recorded as M t ⁇ M r .
  • the terminal receives the transmit port and beam combination information sent by the base station side through the beam of each port, and calculates the SINR value.
  • the third specified condition multiple preferred transmit ports and beam combinations corresponding to each transmit port of the base station that meets the requirements are selected.
  • the third specified condition may be that the calculated SINR values are greater than or equal to a preset SINR value.
  • the setting of the preset SINR value on the terminal side should ensure that the error rate is smaller than the threshold when the data is transmitted.
  • the preset SINR value on the terminal side may be different from the preset SINR value in the first specified condition in the first embodiment.
  • the preset SINR value must be set to ensure multiple transmit port and beam combination feedback, and the settings can be set according to the terminal's own demand characteristics.
  • each port has M r beams.
  • the terminal receives the combination of all the transmitting ports and beams on the base station side through the beam of each port, and selects a total of n t transmitting ports and beam groups that meet the preset SINR value according to each port of the terminal, where n t ⁇ N t ⁇ M t, represents the total of the base station side selected transmit-ports and a n t corresponding to each transmit port beams M t satisfies a predetermined SINR value of a plurality of transmit ports and beam combination is preferred.
  • the terminal side may not use all the ports of the terminal for feedback and data transmission due to the limitation of receiving the SINR value.
  • N r is assumed that there are ports in the port n r meet the conditions, the number of selected transmit-ports of the port n r and the base station to the beam combiner, respectively
  • n t1 represents a set of multiple preferred transmit ports and beam combinations of the base station selected by the first port of the terminal, It represents a set of transmit beam ports and is preferably a combination of n r port selected base station a plurality of terminals.
  • the intersection operation is performed for the result selected by each port of the terminal.
  • the operation may be that the terminal analyzes the selection result of each port.
  • the same selection result corresponding to the different ports is merged, and no more than multiple The terminal port performs multiple feedbacks on the same selection result.
  • the terminal After the intersection operation is performed, the terminal performs feedback through multiple ports that meet the requirements.
  • the content of the feedback may be multiple preferred transmission ports and beam combinations corresponding to each transmitting port on the base station side that meets the preset SINR value selected by each port of the terminal. Compared with the number of combinations before taking the intersection, the content of the feedback is reduced to among them, Thereby the overhead can be reduced.
  • the base station receives the feedback from the terminal. Transmitting port and beam combination of the base stations, and reallocating the transmitting port and the beam according to the currently available port resources, that is, feedback from the terminal Select some available transmit ports and beam combinations in the combination, the number of combinations is among them,
  • the transmit port and beam combination of the base station fed back by some terminals may not be allocated to the terminal, so the reassigned combination needs to be satisfied.
  • each transmitting port on the base station side can only transmit one beam at a time, in the process of reallocating the base station, multiple beams under one port of the base station fed back by the terminal need to be selected.
  • the principle can be:
  • the optimal beam corresponding to the port is available, the optimal beam is selected for data transmission;
  • the suboptimal beam is selected for data transmission, and so on.
  • step 206 the base station feeds back the reassigned transmit port and beam combining information to the terminal.
  • step 207 since the feedback of the terminal in step 203 is feedback according to the port condition of the terminal, the terminal can determine which beam of which port to use for receiving according to the feedback of the base station in step 206, and according to the content fed back by the base station. Make measurement feedback.
  • step 208 the base station performs precoding processing according to the report result of the terminal, thereby implementing data transmission between the base station and the terminal.
  • each port of the terminal adopts multiple preferred port and beam combination feedback modes, and the base station side transmits beam training with the terminal side.
  • the manner in which the port performs feedback simultaneously may include steps 301-305.
  • step 301 after the base station completes synchronization with the terminal, performing beam capability interaction, the base station informs the terminal base station of the port and beam transmission and reception capabilities, and the terminal informs the base station terminal of the port and beam reception and Sending ability.
  • the base station For a terminal that needs to perform beam training, in the beam capability interaction or in the start frame of the beam training, the base station sends a signaling to the terminal to inform the terminal that all ports need to perform multiple preferred port and beam combination feedback, and send signaling. According to the moment, the base station can provide more resources than the threshold for the number of ports for data transmission for the terminal that needs to perform data transmission for the new access.
  • each transmitting port of the base station starts to perform transmission beam training, and all the transmitting ports are simultaneously performed.
  • the transmitting beams of the corresponding radio terminals of each transmitting port may be in the same direction or different, and finally all the transmitting ports and beam combinations need to be trained.
  • Each training frame carries the number of the transmitting port and the beam of the base station.
  • the base station side has a total of N t ports, and each port corresponds to the radio end to generate M t beams, and the terminal side has N r ports. each port corresponds to M r beams.
  • the number of beams corresponding to each port may be the same or different. For example, each port corresponds to the same number of beams.
  • each of the transmissions is performed when the base station performs beam training in the following step. The method of port calculation is similar.
  • each base station side transmit port count individually, i.e., M t is counted for each port, each transmission beam training is required to send each transmit port needs M r, the base station may be referred to as a beam training M t ⁇ M r , then count the count by one for each beam training.
  • each port of the terminal can perform receiving training, thereby selecting an optimal transmitting port and beam combination corresponding to each transmitting port, and each transmitting port is selected.
  • the corresponding optimal transmit port and beam combination are fed back to the base station, and the base station re-allocates the transmit port and the beam combination according to the feedback of the terminal and the currently available port resources, and feeds back the re-assigned transmit port and beam combination information to the terminal, and the base station passes Redistributed transmit ports and beams and terminals implement data transmission.
  • the terminal may also determine an optimal receiving port and beam combination corresponding to each receiving port on the terminal side while selecting an optimal transmitting port and beam combination corresponding to each transmitting port.
  • the base station may specify that the terminal receives the data sent by the base station through the beam of the optimal receiving port of each receiving port, thereby improving transmission efficiency.
  • the base station side performs beam training for multiple ports at the same time, when the count of each port is decremented by 1, all the ports of the terminal perform feedback once. When the count is 0, the terminal performs the last set of feedback through the port and the beam, indicating the multiple ports. The transmission beam training for the terminal is completed.
  • step 303 the terminal presets an SNR value, and when each port receives the SNR value corresponding to the transmit port and the beam combination sent by the base station side, which is greater than or equal to the preset SNR value (that is, the third specified condition is met), The transmitting port and beam combination meet the requirements, and the terminal can combine the transmitting port and the beam. Feedback to the base station.
  • the terminal may also set a time window for receiving the transmit port and beam combination information sent in the current beam training of all the transmit ports.
  • the beam training can have a combination of N t transmit ports and beams, and the terminal selects a combination that meets the requirements from the combination of the N t transmit ports and beams, for a total of n t , among them
  • step 304 the base station performs transmit beam training until the count is 0, and all transmit ports and beam combinations transmitted at the moment have been received by all the beams of all ports of the terminal, which may indicate that the beam training of all the transmit ports of the base station is completed.
  • a total of M t feedbacks are performed on the terminal side, and all combinations are recorded as Where n t1 represents the set of the first feedback of the receiving end.
  • the base station receives the transmit port and beam information fed back by the terminal, and performs re-allocation of the transmit port and the beam combination according to the currently available port resources, that is, feedback from the terminal. Some of the available transmit ports and beam combinations are selected in the combination.
  • the result of the combination is more than that of the first embodiment, because the feedback signal sent by the base station at the beginning of the beam training can be used to know that the resources available to the base station are more than the threshold, and then the information is notified to the terminal.
  • the subsequent operations are similar to the operations in steps 106-108 in the first embodiment, and can be understood by referring to the operations in steps 106-108.
  • this embodiment introduces that when the base station side is different from the first, second, and third embodiments, each port and beam in the base station does not occupy the full bandwidth and occupies a small sub-band, and may be encountered according to the terminal feedback.
  • the optimal port and beam combination feedback method introduced in this embodiment is used.
  • the process shown in FIG. 8 may include steps 401 to 405.
  • step 401 after the base station completes synchronization with the terminal, performing beam capability interaction, the base station informs the terminal base station of the port and beam transmission and reception capabilities, and the terminal informs the base station terminal of the port and beam transmission and reception capabilities. Since the entire bandwidth of the base station is divided into multiple sub-bands, it is necessary to perform beam training on the required sub-bands during beam training, wherein the sub-band information can be reflected in the beam capability interaction.
  • the base station For a terminal that needs to perform beam training, the base station sends a signaling to the terminal in the beam capability interaction or in the start frame of the beam training, informing the terminal that all ports need to perform optimal transmit port and beam combination feedback, and send signaling. According to the moment, the base station can provide a data transmission port number and other resources for the terminal that needs to perform data transmission for the new access is less than the threshold;
  • step 402 exemplarily, there are P subbands in the full bandwidth, each subband according to the N t port, each port corresponding to the radio frequency end M t beams, and the port and the beam carrying the subband in each training frame Number information and the number of times the beam training is required.
  • each sub-band on the base station side has N t ports
  • each port corresponding to the radio frequency end can generate M t beams
  • the terminal side has N r ports
  • each port has M r beams.
  • the number of beams corresponding to each port may be the same or different.
  • each port corresponds to the same number of beams.
  • each of the transmissions is performed when the base station performs beam training in the following step. The method of port counting is similar.
  • each transmitting port of each sub-band on the base station side is separately counted, that is, each port of each sub-band is counted as M t ⁇ M r .
  • the number of times the transmitting port and the beam combination sent by the base station through each port of each sub-band is traversed to all the beams of all the ports of the terminal.
  • each transmitting port of the base station needs to perform beam training.
  • the number of times can be recorded as M t ⁇ M r .
  • Each training reduces the count by one. When the count is 0, it indicates that the transmit beam training of the transmit port for all port receiving beams of the terminal is completed, and all ports of the terminal can be triggered to start feedback.
  • the terminal receives the transmit port and beam combination transmitted by the base station side through the transmit port of each sub-band through the beam of each port.
  • the terminal calculates the SNR value corresponding to the received multiple data, and selects an optimal transmit port and beam combination corresponding to each transmit port of the base station that meets the requirement according to the SNR value maximization principle and the first specified condition.
  • the setting of the preset SNR value on the terminal side should ensure that the error rate is not less than the threshold when data transmission is performed, and the setting can be set according to the demand characteristics of the terminal itself.
  • the terminal receives all the transmit port and beam combination information sent by the base station side through the transmit port of each sub-band through the beam of each port, and selects the transmit port that meets all the required sub-bands according to the SNR value maximization principle and the first specified condition.
  • the port and beam combination determines the transmit port and beam combination with the largest SNR value as the optimal transmit port and beam combination.
  • the terminal side may not use all the ports for feedback and data transmission due to the limitation of the received SNR value.
  • the N r n r Suppose ports eligible port, transmit port number for each subband n r is chosen by the base station to the port side and the beam combiner are
  • the content that the terminal needs to feedback is still multiplied. If each sub-band is selected by the port side, the optimal transmit port and beam combination are the same or different. If the information is not large, the sub-band information can be combined and fed back. The information of the P sub-bands that need to be fed back is reduced to p, and p ⁇ P is satisfied, so that the feedback amount of the terminal can be reduced.
  • the intersection operation is performed for the result selected by each port of the terminal.
  • the operation may be performed by the terminal to analyze the optimal transmit port and beam combination of the selected base station on each port.
  • the optimal transmit port and beam combination of the selected base station of the terminal are the same, the same selection result is combined. Multiple feedback is not performed using multiple terminal ports.
  • the terminal After the intersection operation is performed, the terminal performs feedback through multiple ports that meet the requirements.
  • the content of the feedback is the optimal beam corresponding to each port on the base station side that is selected by each port of the terminal according to the preset SNR value, compared to before the intersection is taken.
  • the number of combinations, the content of the feedback is reduced to among them, Thereby the overhead can be reduced.
  • the base station receives the feedback from the terminal.
  • the base station's transmit port and beam combination according to the currently available sub-band and port resources, sub-band, transmit port and beam redistribution, that is, feedback from the terminal Select some available sub-bands, ports and beams in the combination, the number of combinations is among them, Since the result of the base station reselection may be due to the fact that there are many terminals training at the same time, and the transmission port and beam combination fed back by some terminals cannot be allocated to the terminal, the reassignment combination needs to be satisfied.
  • the subsequent operations are similar to the operations in steps 106-108 in the first embodiment, and can be understood by referring to the operations in steps 106-108.
  • FIG. 9 is a schematic diagram of a base station according to the embodiment. As shown in FIG. 9, the base station in this embodiment may include a beam training module and an allocation module.
  • the beam training module is configured to perform hybrid beamforming. When performing beam training, all the transmitting port and beam combination information is sent to the terminal, and signaling for triggering the feedback mode is sent to the terminal according to the current available port resource status of the base station.
  • an allocation module configured to re-allocate the transmit port and the beam combination according to the currently available port resource status of the base station and the transmit port and beam combination information of the base station fed back by each port of the terminal, and transmit the retransmitted base station transmit port And beam combination information is fed back to the terminal.
  • the beam training module is configured to send a one-digit binary identifier signaling, and when the binary number identifier is 0, a single selected transmit port and beam combination corresponding to each transmit port fed back by the receiving terminal.
  • the binary number identifier is 1, receiving a plurality of selected transmit ports and beam combinations corresponding to each transmit port fed back by the terminal; or when the binary number is 0, receiving each transmit port fed back by the terminal Corresponding multiple selected transmit port and beam combination feedback.
  • the binary number is 1, the single selected transmit port and beam combination corresponding to each transmit port fed back by the receiving terminal is reversed.
  • feeding, or the beam training module configured to transmit signaling including the number of ports currently available to the base station.
  • the single selected transmit port and beam combination corresponding to each transmit port on the base station side is a single transmit port and beam combination with the largest SINR value or SNR value and satisfying the first specified condition; each transmit on the base station side
  • the plurality of selected transmit ports and beams corresponding to the port are combined into a plurality of transmit ports and beam combinations whose SINR value or SNR value satisfies the second specified condition.
  • the beam training module may be further configured to: after the terminal completes synchronization, send a signaling for triggering the feedback mode to the terminal when performing beam information interaction with the terminal; or After the terminal completes the synchronization, when the start frame of the beam training is sent, a signaling for triggering the feedback mode is sent to the terminal.
  • the beam training module is configured to separately record the number of times that each port performs beam training, and the number of times that each port performs beam training is a beam shape of a radio frequency beam that needs to perform radio frequency beam training on the transmitting port.
  • the number of radio frequency beam training corresponding to the transmitting port of the base station is counted down by one. When the count is 0, it indicates that the transmitting beam training of the transmitting port of the base station is completed.
  • the base station may further include a precoding module.
  • a precoding module configured to: after the allocation module retransmits the transmit port and the beam combination information, to the terminal, the information fed back by each port of the terminal and the allocation module are re-ported for each port of the terminal.
  • the allocated transmit port and beam combination when performing precoding, send the same data for each port of the terminal, or send different data for each port of the terminal according to different port information of the terminal.
  • FIG. 10 is a schematic diagram of a transmission device for implementing millimeter wave communication according to the embodiment.
  • the transmission device of this embodiment is disposed at each port of the terminal, and includes a receiving module, a selection module, and a feedback module.
  • the receiving module is configured to receive the transmit port and beam combination information generated by the base station hybrid beamforming.
  • the selecting module is configured to calculate a plurality of SINR values or SNR values according to the received transmit port and the beam combination sent by the base station, and select a transmit port and a beam combination corresponding to each transmit port on the base station side to be fed back.
  • the feedback module is configured to feed back, to the base station, the selected transmit port and beam combination corresponding to each port according to the signaling of the trigger feedback manner sent by the base station.
  • the feedback module is configured to: when receiving the signaling sent by the base station, indicating that the optimal transmit port and beam combination feedback are adopted, according to the received multiple sent by the base station Transmitting port and beam combination, calculating multiple SINR values or SNR values, and cooperating with the transmitting port and beam group corresponding to the SINR value or SNR value that is the largest among the multiple SINR values or SNR values and satisfying the first specified condition For the optimal transmit port and beam combination corresponding to each transmit port, when all the counts of all the port transmission information of the base station are received, the transmit port and the beam combination corresponding to each transmit port are fed back to the base station.
  • the feedback module is configured to: when receiving the signaling sent by the base station, indicating that multiple transmit ports and beam combination feedback are used, and feeding back multiple selected transmissions according to the signaling The port and beam combination is fed back to the base station.
  • the feedback module is configured to: after the base station sends all the transmit ports and beam combinations through all the ports, calculate, according to the received all the transmit port and beam combination information of the base station, each transmit of the base station side A plurality of SINR values or SNR values corresponding to the port, and transmitting, by using a plurality of SINR values or SNR values corresponding to the second specified condition, a plurality of preferred transmit ports and beam combinations corresponding to each of the transmit ports to the base station Or, when the base station transmits the transmit port and the beam combination to the terminal through the port currently performing beam training, calculating multiple SINR values or SNR values according to the received transmit port and beam combination information, which will satisfy the third designation.
  • a plurality of transmit port and beam combinations corresponding to a plurality of SINR values or SNR values of the condition are fed back to the base station as a plurality of preferred transmit port and beam combination information corresponding to each transmit port until beam training is completed.
  • the SINR or SNR values preset by the terminal side in the first specified condition, the second specified condition, and the third specified condition may be the same or different.
  • the terminal can be flexibly set according to its own needs. .
  • FIG. 11 is a schematic structural diagram of a hardware structure of a base station according to the embodiment. As shown in FIG. 11, the base station may include:
  • a processor 510 and a memory 520 may further include a communication interface 530 and a bus 540.
  • the processor 510, the memory 520, and the communication interface 530 can complete communication with each other through the bus 540.
  • Communication interface 530 can be used for information transfer.
  • the processor 510 can call the logic instructions in the memory 520 to perform the transmission method of the millimeter wave communication applied to the base station side by the above embodiment.
  • the logic instructions in the memory 520 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the technical solution of the embodiment may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a computer device (which may be a personal computer, a server, or The network device or the like) performs all or part of the steps of the method described in this embodiment.
  • the foregoing storage medium may be a non-transitory storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • FIG. 12 is a schematic structural diagram of hardware of a terminal according to the embodiment. As shown in FIG. 12, the terminal may be configured. include:
  • a processor 610 and a memory 620 may further include a communication interface 630 and a bus 640.
  • the processor 610, the memory 620, and the communication interface 630 can complete communication with each other through the bus 640.
  • Communication interface 630 can be used for information transmission.
  • the processor 610 can call the logic instructions in the memory 620 to perform the transmission method of the millimeter wave communication applied to the terminal side by the above embodiment.
  • the logic instructions in the memory 620 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the technical solution of the embodiment may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a computer device (which may be a personal computer, a server, or The network device or the like) performs all or part of the steps of the method described in this embodiment.
  • the foregoing storage medium may be a non-transitory storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the program when executed, may include the flow of an embodiment of the method as described above, wherein the computer readable storage medium may be a non-transitory computer readable storage medium such as a magnetic disk, an optical disk, or a read only memory (ROM) or random access memory (RAM), etc.
  • the computer readable storage medium may be a non-transitory computer readable storage medium such as a magnetic disk, an optical disk, or a read only memory (ROM) or random access memory (RAM), etc.
  • the present disclosure provides a transmission method, a base station, and a terminal for implementing millimeter wave communication, which can solve the impact coverage and clustering clustering phenomenon that may occur in LTE and IEEE 802.11ad technologies.

Landscapes

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

Abstract

L'invention concerne un procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et une station de base et un terminal. Le procédé de transmission peut comprendre les étapes suivantes : une station de base effectue une formation de faisceau hybride, et lors de la réalisation de l'entraînement de faisceau, elle envoie différentes informations de combinaison de port et de faisceau à un terminal, et elle envoie une signalisation pour déclencher un mode de rétroaction au terminal en fonction d'un état actuel de ressources de port disponibles ; et la station de base réaffecte une combinaison de port de transmission et de faisceau en fonction d'un état actuel de ressources de port disponibles et des informations de combinaison de port de transmission et de faisceau, renvoyées par un port du terminal, à propos de la station de base, et renvoie les informations de combinaison de port de transmission et de faisceau réaffectée au terminal.
PCT/CN2017/071171 2016-01-15 2017-01-13 Procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et station de base et terminal WO2017121392A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610028908.2A CN106982437B (zh) 2016-01-15 2016-01-15 一种实现毫米波通讯的传输方法、基站及终端
CN201610028908.2 2016-01-15

Publications (1)

Publication Number Publication Date
WO2017121392A1 true WO2017121392A1 (fr) 2017-07-20

Family

ID=59310813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/071171 WO2017121392A1 (fr) 2016-01-15 2017-01-13 Procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et station de base et terminal

Country Status (2)

Country Link
CN (1) CN106982437B (fr)
WO (1) WO2017121392A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112788614A (zh) * 2021-01-13 2021-05-11 上海闻泰信息技术有限公司 波束赋形的方法和装置、波束赋形***和计算机存储介质

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107635189B (zh) * 2017-09-15 2020-03-13 中国联合网络通信集团有限公司 一种波束选择方法及装置
CN108322413B (zh) * 2017-12-29 2020-11-17 中国电子科技集团公司第五十五研究所 5g毫米波有源天线阵列的空口数字预失真方法及其***

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013093171A1 (fr) * 2011-12-20 2013-06-27 Nokia Corporation Retour d'informations d'un état de canal basé sur un premier signal de référence et un second signal de référence combinés
EP2775634A2 (fr) * 2013-03-08 2014-09-10 Electronics and Telecommunications Research Institute Procédé de communication à entrées multiples et sorties multiples dans un système d'antenne à grande échelle
CN104184561A (zh) * 2014-01-13 2014-12-03 中兴通讯股份有限公司 预编码导频处理方法、装置、基站及终端
CN105245310A (zh) * 2014-07-09 2016-01-13 中兴通讯股份有限公司 一种下行导频信号的处理方法及***

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8923792B2 (en) * 2012-07-05 2014-12-30 Lg Electronics Inc. Method for receiving radio signal and device therefor
KR102029102B1 (ko) * 2012-11-19 2019-11-11 삼성전자주식회사 빔포밍 시스템에서 빔 방향 선택 방법 및 장치
CN117856836A (zh) * 2013-01-25 2024-04-09 交互数字专利控股公司 用于确定资源的方法和无线发射/接收单元
EP3493454B1 (fr) * 2013-06-08 2020-12-02 Huawei Technologies Co., Ltd. Procédé de transmission de signal pilote et système
CN105207705A (zh) * 2014-06-23 2015-12-30 北京三星通信技术研究有限公司 有源天线***中的参考信号收发方法及设备
CN104158572B (zh) * 2014-06-27 2017-10-13 河海大学 一种基于智能天线的绿色分布式天线***通信方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013093171A1 (fr) * 2011-12-20 2013-06-27 Nokia Corporation Retour d'informations d'un état de canal basé sur un premier signal de référence et un second signal de référence combinés
EP2775634A2 (fr) * 2013-03-08 2014-09-10 Electronics and Telecommunications Research Institute Procédé de communication à entrées multiples et sorties multiples dans un système d'antenne à grande échelle
CN104184561A (zh) * 2014-01-13 2014-12-03 中兴通讯股份有限公司 预编码导频处理方法、装置、基站及终端
CN105245310A (zh) * 2014-07-09 2016-01-13 中兴通讯股份有限公司 一种下行导频信号的处理方法及***

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112788614A (zh) * 2021-01-13 2021-05-11 上海闻泰信息技术有限公司 波束赋形的方法和装置、波束赋形***和计算机存储介质

Also Published As

Publication number Publication date
CN106982437B (zh) 2021-11-23
CN106982437A (zh) 2017-07-25

Similar Documents

Publication Publication Date Title
US11743882B2 (en) Apparatus and method for transmitting and receiving beam information in wireless communication system
US11637642B2 (en) Method and apparatus for CSI reporting in wireless communication system
US9287958B2 (en) Method and apparatus for processing feedback information in wireless communication system supporting beamforming
US9882616B2 (en) Method and apparatus for transmitting and receiving feedback information in mobile communication system based on 2 dimensional massive MIMO
CN113691293B (zh) 波束赋形训练方法及装置
US9820290B2 (en) Virtual antenna mapping method and apparatus for feedback of virtual antenna mapping information in MIMO system
KR101084831B1 (ko) Ｍｉｍｏ 기반 통신 시스템에서의 방법 및 장치
US8498256B2 (en) Method for allocating resources for edge-users using cooperative MIMO
KR101726864B1 (ko) 무선랜 시스템에서 ｍｕ－ｍｉｍｏ 방법, ｍｕ－ｍｉｍｏ를 위한 액세스 포인트 및 스테이션
KR101387532B1 (ko) 협력적 ｍｉｍｏ 수행을 위한 피드백 정보 전송방법
US20160337016A1 (en) Systems and methods of beam training for hybrid beamforming
CN112788767B (zh) 动态调整波束集合的传输方法、基站及终端
KR102306100B1 (ko) Ｍｕ­ｍｉｍｏ 간섭 채널 네트워크 환경에서의 간섭정렬 송수신 신호처리 장치 및 방법
US20220158696A1 (en) Apparatus and method of uplink beamforming in wireless local area network system
US9197305B2 (en) Precoding control indication feedback method, user equipment, and base station
WO2017121392A1 (fr) Procédé de transmission pour la mise en œuvre d'une communication par ondes millimétriques, et station de base et terminal
WO2011054380A1 (fr) Procédé de dispositif de détermination d'une zone de coopération
Dutta et al. MAC layer frame design for millimeter wave cellular system
WO2018195903A1 (fr) Procédé d'accès à un canal dans une période de contention, dispositif associé, et système
CN103024821B (zh) 一种多用户协作多点传输的方法和装置
US20090109911A1 (en) Obtaining channel feedback from users in a wireless communication system
US11677452B2 (en) Method and apparatus for transmitting and receiving signal for terminal-centric cooperative transmission
US20240187181A1 (en) Wireless communication method and terminal device
WO2021227928A1 (fr) Procédé de transmission répétée de données
US20240244587A1 (en) Wireless communication method and terminal device

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: 17738205

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: 17738205

Country of ref document: EP

Kind code of ref document: A1