WO2014085963A1 - Procédé et dispositif de transmission de données - Google Patents

Procédé et dispositif de transmission de données Download PDF

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Publication number
WO2014085963A1
WO2014085963A1 PCT/CN2012/085751 CN2012085751W WO2014085963A1 WO 2014085963 A1 WO2014085963 A1 WO 2014085963A1 CN 2012085751 W CN2012085751 W CN 2012085751W WO 2014085963 A1 WO2014085963 A1 WO 2014085963A1
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WO
WIPO (PCT)
Prior art keywords
transmission mode
carrier
mimo transmission
base station
user terminal
Prior art date
Application number
PCT/CN2012/085751
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English (en)
Chinese (zh)
Inventor
朱孝龙
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280076657.5A priority Critical patent/CN104756426B/zh
Priority to PCT/CN2012/085751 priority patent/WO2014085963A1/fr
Publication of WO2014085963A1 publication Critical patent/WO2014085963A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme

Definitions

  • the present invention relates to the field of communications, and in particular, to a data transmission method and device. Background technique
  • the 3rd Generation Partnership Project (3GPP) is dedicated to studying the evolution of 3GPP's Long Term Evolution (LTE) as a third-generation mobile communication system.
  • LTE-Advanced The LTE-Advanced (LTE-Advanced) system is a technology evolution based on LTE, which supports backward compatibility with LTE systems.
  • LTE-Advanced systems In order to provide higher data rates and support more user services and new services, LTE-Advanced systems have new requirements in terms of frequency, bandwidth, peak rate and compatibility. In the evolution from LTE to LTE-Advanced systems, the need for wider spectrum will be an important factor influencing evolution.
  • each carrier can support all Multiple Input Multiple Output (MIMO) transmission mode configurations.
  • MIMO Multiple Input Multiple Output
  • different user terminals can be configured with different MIMO transmission modes.
  • user terminal A can configure an open-loop MIMO transmission mode on the carrier
  • user terminal B can configure a closed-loop MIMO mode on the carrier
  • user terminal C can The spatial multiplexing MIMO mode can also be configured on the carrier to configure the diversity MIMO mode.
  • these user terminals have a large interference when transmitting data using the MIMO transmission mode on the carrier, resulting in poor network performance. Summary of the invention
  • the embodiments of the present invention provide a data transmission method and device, which can reduce interference when a user transmits data, thereby improving network performance.
  • a first aspect of the present invention provides a data transmission method, including:
  • a precoding processing manner is a processing manner of performing precoding on data transmitted in the first MIMO transmission mode
  • the second precoding processing mode is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • a second aspect of the present invention provides a data transmission method, including:
  • the user terminal When the user terminal needs to configure a MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first carrier on the first carrier. Transmitting data to the base station by a first MIMO transmission mode;
  • the user terminal When the user terminal needs to configure a MIMO transmission mode on the second carrier, the user terminal configures the second MIMO transmission mode on the second carrier, and uses the second carrier on the second carrier.
  • the second MIMO transmission mode transmits data to the base station.
  • a third aspect of the present invention provides a base station, including: a first sending unit, a second sending unit, a first receiving unit, and a second receiving unit, where:
  • a first sending unit configured to send, to the user equipment, a message that configures a first MIMO transmission mode on the first carrier controlled by the base station;
  • a second sending unit configured to send, to the user terminal, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode is different from the first MIMO mode;
  • a first receiving unit configured to receive first data that is sent by the user terminal by using the first MIMO transmission mode on the first carrier, and pre-process the first data by using a first precoding processing manner Encoding processing, where the first precoding processing manner is a processing manner of performing precoding on data transmitted in the first MIMO transmission mode;
  • a second receiving unit configured to receive second data that is transmitted by the user terminal by using the second MIMO transmission mode on the second carrier, and perform precoding processing on the second data by using a second precoding processing manner
  • the second precoding processing manner is a processing manner of performing precoding on data transmitted in the second MIMO transmission mode.
  • a fourth aspect of the present invention provides a user terminal, including: a first receiving unit, a second receiving unit, a first configuration unit, and a second configuration unit, where:
  • the first receiving unit is configured to receive a message that is sent by the base station and configured to configure the first MIMO transmission mode on the first carrier controlled by the base station;
  • the second receiving unit is configured to receive a message that is sent by the base station to configure a second MIMO transmission mode on a second carrier controlled by the base station;
  • the first configuration unit is configured to: when the user terminal needs to configure a MIMO transmission mode on the first carrier, configuring the first MIMO transmission mode on the first carrier, and at the first Transmitting data to the base station using the first MIMO transmission mode on a carrier;
  • the second configuration unit is configured to: when the user terminal needs to configure a MIMO transmission mode on the second carrier, configure the second MIMO transmission mode on the second carrier, and in the second The second MIMO transmission mode is used on the carrier to transmit data to the base station.
  • a fifth aspect of the present invention provides a base station, including: a processor, a communication interface, and a memory: the communication interface is configured to send a message to a user terminal;
  • the program stores a set of program codes
  • the processor is configured to invoke program code stored in the memory for performing the following operations:
  • the processing manner is a processing manner of performing precoding on data transmitted in the first MIMO transmission mode; Receiving, by the user terminal, second data that is transmitted by using the second MIMO transmission mode on the second carrier, and performing precoding processing on the second data by using a second precoding processing manner, where the second precoding The processing manner is a processing manner of performing precoding on data transmitted in the second MIMO transmission mode.
  • a sixth aspect of the present invention provides a user terminal, including: a processor, a communication interface, and a memory: the communication interface is configured to receive a message sent by a base station;
  • the program stores a set of program codes
  • the processor is configured to invoke program code stored in the memory for performing the following operations:
  • the user terminal needs to configure a MIMO transmission mode on the first carrier, configuring the first MIMO transmission mode on the first carrier, and using the first MIMO transmission on the first carrier Mode transmitting data to the base station;
  • the mode transmits data to the base station.
  • the base station sends, to the user equipment, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second terminal controlled by the base station to the user terminal.
  • the base station receiving the user terminal to use the first MIMO on the first carrier Transmitting the first data of the mode, and precoding the first data by using a first precoding processing manner, where the first precoding processing mode is pre-prepared for the data transmitted in the first MIMO transmission mode
  • the processing method of the encoding the base station receiving the second data that is transmitted by the user terminal by using the second MIMO transmission mode on the second carrier, and performing the second data by using a second precoding processing manner
  • Precoding processing wherein the second precoding processing manner is a processing manner of performing precoding on data transmitted in the second MIMO transmission mode.
  • different user terminals are configured with multiple MIMO transmission modes on the same carrier.
  • the interference is small, thereby improving network performance. Fj ⁇ . DRAWINGS
  • FIG. 1 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of another data transmission method according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart diagram of another data transmission method according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart diagram of another data transmission method according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another data transmission method according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another data transmission method according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • 20 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention.
  • FIG. 21 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 22 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 23 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure
  • FIG. 24 is a schematic structural diagram of another user terminal according to an embodiment of the present invention
  • FIG. 25 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention
  • 26 is a schematic structural diagram of another base station according to an embodiment of the present invention.
  • FIG. 27 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 28 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a data transmission method according to an embodiment of the present invention. As shown in FIG. 1, the method includes:
  • the base station sends, to the user equipment, a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station.
  • the user terminal may be all user terminals or partial user terminals served by the base station.
  • the base station sends, to the user equipment, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode is different from the foregoing first MIMO mode.
  • the base station receives the first data that is transmitted by the user terminal on the first carrier by using the first MIMO transmission mode, and performs precoding processing on the first data by using a first precoding processing manner, where the first precoding processing is performed.
  • the method is a processing method for precoding the data transmitted in the first MIMO transmission mode;
  • the base station receives the second data that is transmitted by the user terminal on the second carrier by using the second MIMO transmission mode, and performs precoding processing on the second data by using a second precoding processing manner, where the second precoding processing is performed.
  • the method is a processing method of performing precoding on data transmitted in the second MIMO transmission mode.
  • steps 101 and 102 have no chronological order, and steps 103 and 104 have no chronological order.
  • the message of step 101 and the message of step 102 may be implemented by sending the same message twice, or by one message; or, step 101
  • the message and the message of step 102 can be implemented using different types of messages.
  • the technical solutions of other embodiments provided by the present invention are also applicable.
  • the first pre-coding processing manner that is, the processing method for pre-coding the data transmitted in the first MIMO transmission mode
  • the second pre-coding processing manner that is, the foregoing
  • the processing method of precoding the data transmitted in the second MIMO transmission mode can also refer to the above protocol.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the foregoing first data and second data may be multiple data.
  • the first MIMO transmission mode may be configured, and the MIMO transmission mode and the base station perform data transmission in the configured manner, and The first carrier transmits data to the base station using the first MIMO transmission mode.
  • the user terminal receives the foregoing message, and when the MIMO transmission mode needs to be configured on the second carrier, the second MIMO transmission mode may be configured, and the configured MIMO transmission mode and the base station perform data transmission, and The second carrier is used to transmit data to the base station using the second MIMO transmission mode.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second carrier on the second carrier controlled by the base station to the user terminal.
  • a message of the MIMO transmission mode; the foregoing second MIMO transmission mode is different from the first MIMO mode base station receiving the first data that is transmitted by the user terminal on the first carrier by using the first MIMO transmission mode, and using the first precoding process And performing a precoding process on the first data, where the first precoding processing mode is a processing method for precoding the data transmitted in the first MIMO transmission mode; and the base station receiving the user terminal is used in the second carrier.
  • FIG. 2 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • the base station sends, to the user equipment, a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station.
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the base station sends, to the user equipment, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode is different from the first MIMO mode.
  • the second MIMO mode described in the foregoing includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode.
  • the foregoing second MIMO transmission mode is used. Specifically, it may include:
  • any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the user terminal may configure a diversity MIMO transmission mode on the first carrier, when the second carrier is required.
  • the MIMO transmission mode any one of the open-loop MIMO transmission mode, the spatial multiplexing MIMO transmission mode, and the closed-loop MIMO transmission mode configured on the second carrier may be configured.
  • the MIMO transmission modes configured by the multiple user terminals on the same carrier are the same, so that the user terminal performs less interference when transmitting data in the MIMO transmission mode, thereby improving network performance.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode, where the second MIMO is used in the implementation manner.
  • the transmission mode may specifically include:
  • any of an open loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed loop MIMO transmission mode after the user terminal receives the message, when the MIMO transmission mode needs to be configured on the first carrier, the user terminal may configure a spatial multiplexing MIMO transmission mode on the first carrier, where When the MIMO transmission mode is configured on the two carriers, any one of the open-loop MIMO transmission mode, the diversity MIMO transmission mode, and the closed-loop MIMO transmission mode may be configured on the second carrier.
  • the foregoing first MIMO transmission mode may also be an open-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: a closed-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the foregoing first MIMO transmission mode may also be a closed-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the base station receives the first data that is sent by the user terminal by using the first MIMO transmission mode on the first carrier, and performs precoding processing on the first data by using a first precoding processing manner, where the first precoding processing is performed.
  • the method is a processing method for precoding the data transmitted in the first MIMO transmission mode;
  • the base station receives the second data that is sent by the user equipment by using the second MIMO transmission mode on the second carrier, and performs precoding processing on the second data by using a second precoding processing manner, where the second precoding processing is performed.
  • the method is a processing method of performing precoding on data transmitted in the second MIMO transmission mode.
  • the method may further include:
  • the base station sends, to the first user terminal, an indication message, used to indicate that the first carrier is used by the first user terminal, where the first user terminal needs to perform data transmission with the base station, and uses the first carrier and the The base station performs data transmission, where the first user terminal refers to a user terminal located at an edge of the base station service area or an area where the base station service coverage is limited;
  • the first carrier is configured to be used by the first user terminal by using the foregoing steps, where the first user terminal is in the configuration diversity MIMO transmission mode, and the user terminals have less interference when transmitting data on the first carrier, thereby Improve network performance.
  • the user terminal in step 203 may be the first user terminal.
  • the method may also To include:
  • the base station sends, to the second user terminal, an indication message for indicating that the second carrier is used by the second user terminal: when the second user terminal needs to perform data transmission with the base station, using the second carrier and the foregoing
  • the base station performs data transmission
  • the second user terminal refers to a user terminal located in a central area of the base station service area.
  • the first user terminal and the second user terminal may be single or multiple user terminals.
  • the spatial multiplexing MIMO transmission mode has a larger interference with respect to the diversity MIMO transmission mode, and the channel quality of the second user terminal is better, when the second user terminal configures spatial multiplexing on the second carrier
  • MIMO transmission mode When MIMO transmission mode transmits data, it can overcome the interference caused by spatial multiplexing MIMO transmission mode.
  • the user terminal in step 204 may be the second user terminal.
  • the first carrier and the second carrier in the embodiment of the present invention may be carriers in the same carrier aggregation.
  • FIG. 3 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • the base station sends, to the user equipment, a message that the first sub-MIMO transmission mode of the first MIMO transmission mode is configured on the first subcarrier of the first carrier controlled by the base station.
  • the base station sends, to the user equipment, a message that the second sub MIMO transmission mode of the first MIMO transmission mode is configured on the second subcarrier of the first carrier controlled by the base station;
  • the base station sends, to the user equipment, a message that the first sub MIMO transmission mode of the second MIMO transmission mode is configured on the first subcarrier of the second carrier controlled by the base station;
  • the base station sends, to the user equipment, a message that the second sub MIMO transmission mode of the second MIMO transmission mode is configured on the second subcarrier of the second carrier controlled by the base station;
  • the second MIMO transmission mode is different from the first MIMO transmission, and the first sub MIMO transmission mode of the first MIMO transmission mode is different from the second sub MIMO transmission mode of the first MIMO transmission mode, and the second MIMO transmission is performed.
  • the first sub MIMO transmission mode of the mode is different from the second sub MIMO transmission mode of the second MIMO transmission mode described above.
  • the first sub-mode of the foregoing first MIMO transmission mode may be selected from the following modes: an open-loop diversity MIMO transmission mode and a closed-loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second submode of the foregoing first MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second sub-mode of the first MIMO transmission mode is different from the first sub-mode of the first MIMO transmission mode.
  • the first sub-mode of the first MIMO transmission mode is the open-loop diversity MIMO transmission mode
  • the second sub-mode of the first MIMO transmission mode cannot be the open-loop diversity MIMO transmission mode.
  • the first submode of the foregoing second MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second submode of the foregoing second MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second sub-mode of the second MIMO transmission mode is different from the first sub-mode of the second MIMO transmission mode.
  • the first sub-mode of the second MIMO transmission mode is the open-loop diversity MIMO transmission mode
  • the second sub-mode of the second MIMO transmission mode cannot be an open-loop diversity MIMO transmission mode.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more of multiple carriers included in the first carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing first carrier may also include multiple carriers.
  • the second carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the second carrier may be one or more of multiple carriers included in the second carrier.
  • the carrier, that is, the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the base station receives, by using, the first sub-data transmitted by the user equipment in a first sub-mode of the first MIMO transmission mode on the first sub-carrier of the first carrier, and adopts a first sub-precoding processing manner to the first
  • the sub-data is pre-coded, and the first sub-pre-coding processing method is a processing method for pre-coding data transmitted in the first sub-mode of the first MIMO transmission mode;
  • the base station receives the second sub-data transmitted by the user terminal in the second sub-carrier of the first MIMO transmission mode on the second sub-carrier of the first carrier, and uses the second sub-precoding processing manner to the second
  • the sub-data is pre-coded
  • the second sub-pre-coding processing method is a processing method for performing pre-coding on data transmitted in the second sub-mode of the first MIMO transmission mode
  • the base station receives, by using, the third sub-data transmitted by the user terminal in the first sub-mode of the second MIMO transmission mode on the first sub-carrier of the second carrier, and adopts a third sub-precoding processing manner to the third
  • the sub-data is pre-coded
  • the third sub-pre-coding processing method is a processing method for pre-coding the data transmitted in the first sub-mode of the second MIMO transmission mode
  • the base station receives, by using, the fourth sub-data transmitted by the user equipment in the second sub-carrier of the second MIMO transmission mode on the second sub-carrier of the second carrier, and adopts a fourth sub-precoding processing manner to the fourth.
  • the sub data is subjected to precoding processing, and the fourth sub precoding processing method is a processing method of precoding the data transmitted in the second sub mode of the second MIMO transmission mode.
  • first sub data, the second sub data, the third sub data, and the fourth sub data may be a plurality of data.
  • the first sub precoding processing mode, the second sub precoding processing mode, the third sub precoding processing mode, and the fourth sub precoding processing mode may be referred to the protocol.
  • FIG. 4 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 4, the method includes:
  • the base station configures a first transmit antenna port number for the first carrier controlled by the base station, and the base The station configures a second transmit antenna port number for the second carrier;
  • a single-port transmit antenna is configured for the first carrier
  • a dual-port transmit antenna is configured for the second carrier
  • a dual-port transmit antenna is configured for the first carrier
  • a four-port transmit antenna is configured for the second carrier.
  • the base station sends, to the user equipment, a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station, where the first MIMO transmission mode matches the number of the first transmit antenna ports of the first carrier configuration.
  • the number of the first transmit antenna ports configured by the base station for the first carrier is one, that is, when the first carrier is configured with a single port number of transmit antennas,
  • Step 402 can include:
  • the base station transmits a message to the user terminal to configure a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode on the first carrier controlled by the base station.
  • the single antenna transmission MIMO transmission mode or the beamforming MIMO transmission mode and the number of transmitting antenna ports are matched by the inventors through a large amount of experimental data verification. This pairing can improve the efficiency of transferring data.
  • the step 402 may include:
  • the base station transmits a message to the user terminal to configure an open-loop MIMO transmission mode on the first carrier controlled by the base station.
  • step 402 may further include:
  • the base station transmits, to the user equipment, a message for configuring an open-loop spatial multiplexing MIMO transmission mode on the second subcarrier of the first carrier.
  • the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched by the inventors through a large amount of experimental data verification. This matching pair can improve the efficiency of transmitting data.
  • the step 402 may include: Sending a message configuring a closed-loop MIMO transmission mode on the first carrier controlled by the base station.
  • step 402 may further include:
  • the base station sends, to the user equipment, a message that configures a closed-loop diversity MIMO transmission mode on the first subcarrier of the first carrier;
  • the base station transmits, to the user equipment, a message that the closed-loop spatial multiplexing MIMO transmission mode is configured on the second subcarrier of the first carrier.
  • the base station sends, to the user equipment, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode matches the second transmit antenna port of the second carrier configuration.
  • the step 403 may include: Transmitting a message of a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode on a second carrier controlled by the base station.
  • step 403 may include: The terminal sends a message for configuring an open-loop MIMO transmission mode on the second carrier controlled by the base station.
  • step 403 may further include:
  • the base station transmits, to the user equipment, a message for configuring an open-loop spatial multiplexing MIMO transmission mode on the second subcarrier of the second carrier.
  • step 403 may include: The terminal transmits a message configuring a closed-loop MIMO transmission mode on the second carrier controlled by the base station.
  • step 403 may further include:
  • the base station sends, to the user equipment, a message that configures a closed-loop diversity MIMO transmission mode on the first subcarrier of the second carrier;
  • the base station sends a closed loop spatial multiplexing on the second subcarrier of the second carrier to the user terminal.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more of multiple carriers included in the first carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing first carrier may also include multiple carriers.
  • the second carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the second carrier may be one or more of multiple carriers included in the second carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the base station receives the first data that is sent by the user equipment by using the first MIMO transmission mode on the first carrier, and performs precoding processing on the first data by using a first precoding processing manner, where the first precoding processing is performed.
  • the method is a processing method for precoding the data transmitted in the first MIMO transmission mode;
  • the base station receives the second data that is sent by the user equipment by using the second MIMO transmission mode on the second carrier, and performs precoding processing on the second data by using a second precoding processing manner, where the second precoding processing is performed.
  • the method is a processing method of performing precoding on data transmitted in the second MIMO transmission mode.
  • FIG. 5 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 5, the method includes:
  • the base station configures a transmitting antenna with a different number of ports for the first carrier and the second carrier controlled by the base station;
  • the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal.
  • the base station sends, to the preset, a mapping relationship between the transmit antenna and the MIMO transmission mode.
  • the user terminal when the user terminal needs to configure the MIMO transmission mode on the first carrier, so that the user terminal selects the first carrier from the mapping relationship information according to the transmit antenna information of the first carrier configuration. Matching the MIMO transmission mode, and configuring the selected MIMO transmission mode on the first carrier; or when the user terminal needs to configure the MIMO transmission mode on the second carrier, so that the user terminal is configured according to the foregoing
  • the transmit antenna information of the two-carrier configuration selects a MIMO transmission mode matched with the second carrier from the mapping relationship information, and configures the selected MIMO transmission mode matched with the second carrier on the second carrier.
  • the transmit antenna may be configured according to the first carrier from the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the matching pair may specifically refer to that the MIMO transmission mode matches the number of ports of the transmitting antenna, for example, the two-port transmitting antenna matches the open-loop MIMO transmission mode, that is, the open-loop MIMO transmission mode and the transmitting antenna port.
  • the number is a two-phase match.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the base station configures a transmit antenna with a different number of ports for the first carrier and the second carrier controlled by the base station; the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal; The mapping relationship between the set transmit antenna and the MIMO transmission mode is sent to the user terminal, and the user terminal receives the transmit antenna information and the mapping relationship information.
  • the MIMO transmission mode matching the transmit antenna of the first carrier configuration may be found from the foregoing mapping relationship information according to the transmit antenna configured by the first carrier. And configuring the selected MIMO transmission mode on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • FIG. 6 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • the user terminal receives a message that is sent by the base station and configured to configure the first MIMO transmission mode on the first carrier controlled by the base station.
  • the user equipment receives, by the base station, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station.
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first MIMO transmission mode on the first carrier. Transmitting data to the above base station;
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the second carrier, the user terminal configures the second MIMO transmission mode on the second carrier, and uses the second MIMO transmission mode on the second carrier. Data is transmitted to the above base station.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives a message that is sent by the base station and configures the first MIMO transmission mode on the first carrier controlled by the base station; and the user terminal receives the second MIMO transmission that is sent by the base station and is configured on the second carrier controlled by the base station.
  • a mode message when the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first on the first carrier
  • the MIMO transmission mode transmits data to the base station; when the user terminal needs to configure the MIMO transmission mode on the second carrier, the user ends
  • the terminal configures the second MIMO transmission mode on the second carrier, and transmits data to the base station by using the second MIMO transmission mode on the first carrier.
  • FIG. 7 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 7, the method includes:
  • the user equipment receives a message that is sent by the base station and configured to configure the first MIMO transmission mode on the first carrier controlled by the base station.
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the user equipment receives a message that is sent by the base station and configured to configure a second MIMO transmission mode on the second wave controlled by the base station.
  • the second MIMO mode described in the foregoing includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode.
  • the foregoing second MIMO transmission mode is used. Specifically, it may include:
  • any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode, where the second MIMO is used in the implementation manner.
  • the transmission mode may specifically include:
  • any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing first MIMO transmission mode may also be an open-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: a closed-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the foregoing first MIMO transmission mode may also be a closed-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: an open-loop MIMO transmission mode, a spatial complex One of the MIMO transmission mode and the diversity MIMO transmission mode is used.
  • Diversity MIMO transmission mode open-loop MIMO transmission mode, spatial multiplexing MIMO transmission mode, and closed-loop MIMO transmission mode;
  • the second MIMO mode includes:
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first MIMO transmission mode on the first carrier. Data is transmitted to the above base station.
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the second carrier, the user terminal configures the second MIMO transmission mode on the second carrier, and uses the second MIMO transmission mode on the second carrier. Data is transmitted to the above base station.
  • step 701 may include:
  • the user terminal receives a message that the second sub MIMO transmission mode of the first MIMO transmission mode is configured on the second subcarrier of the first carrier controlled by the base station, which is sent by the base station.
  • step 702 can include:
  • step 703 can include:
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the first subcarrier of the first carrier, the user terminal configures the first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier. And transmitting data to the base station by using the first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier;
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the second subcarrier of the first carrier, the user terminal configures the second sub MIMO transmission mode of the first MIMO transmission mode on the second subcarrier of the first carrier. And using the first one on the second subcarrier of the first carrier a second sub-MIMO transmission mode of the MIMO transmission mode transmits data to the base station;
  • step 704 can include:
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the first subcarrier of the second carrier, the user terminal configures the first sub MIMO transmission of the second MIMO transmission mode on the first subcarrier of the second carrier. And transmitting, to the base station, the first sub-MIMO transmission mode of the second MIMO transmission mode on the first subcarrier of the second carrier;
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the second subcarrier of the second carrier, the user terminal configures the second sub MIMO transmission mode of the second MIMO transmission mode on the second subcarrier of the second carrier. And transmitting data to the base station by using the second sub-MIMO transmission mode of the second MIMO transmission mode on the second subcarrier of the second carrier.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more carriers of multiple carriers included in the first carrier, that is, The first subcarrier and the second subcarrier of the first carrier may also include multiple carriers.
  • the second carrier is a plurality of carriers
  • the first subcarrier and the second subcarrier of the second carrier may be one or more carriers of the plurality of carriers included in the second carrier, that is,
  • the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • step 701 may include:
  • the user terminal receives a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station, and the first MIMO transmission mode matches the number of the first transmit antenna ports configured for the first carrier.
  • step 702 can include:
  • the user terminal receives a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, and the second MIMO transmission mode matches the number of second transmit antenna ports configured for the second carrier.
  • the foregoing first MIMO transmission mode matches the number of first transmit antenna ports configured for the first carrier
  • the second MIMO transmission mode matches the number of second transmit antenna ports configured for the second carrier. It was verified by the inventors through a large amount of experimental data. This matching pair can improve the efficiency of transmitting data.
  • Step 701 can include:
  • the user terminal receives a single antenna transmission sent by the base station and is configured on the first carrier controlled by the base station. a message of the MIMO transmission mode or the beamforming MIMO transmission mode, where the number of the first transmit antenna ports configured for the first carrier is one; or
  • the user terminal receives a message that is configured by the base station to configure an open-loop MIMO transmission mode on the first carrier controlled by the base station, where the number of the first transmit antenna ports configured for the first carrier is two; or the user terminal receives the a message of the closed-loop MIMO transmission mode is configured on the first carrier controlled by the base station, where the number of the first transmit antenna ports configured for the first carrier is four;
  • Step 702 can include:
  • the user terminal receives a message that is configured by the base station to configure a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode on the second carrier controlled by the base station, where the number of second transmit antenna ports configured for the second carrier is one; Or
  • the user terminal receives a message that is configured by the base station to configure an open-loop MIMO transmission mode on the second carrier controlled by the base station, where the number of the second transmit antenna ports configured for the second carrier is two; or the user terminal receives the The message of the closed-loop MIMO transmission mode is configured on the second carrier controlled by the base station, where the number of the second transmit antenna ports configured for the second carrier is four.
  • the single-antenna transmit MIMO transmission mode is matched with the number of transmit antenna ports; or the beamforming MIMO transmission mode matches the number of transmit antenna ports; the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched; The MIMO transmission mode is matched with the number of transmit antenna ports by four.
  • the inventors have verified through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • step 703 and the step 704 are configured according to the messages received in step 701 and step 702 when the MIMO transmission mode is configured, and are not described in detail herein.
  • the foregoing method may further include:
  • the user terminal receives an indication message that is sent by the foregoing base station to indicate that the first carrier is used by the user terminal.
  • step 701 can include:
  • Step 703 can include:
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the first carrier, the user The terminal configures a diversity MIMO transmission mode on the first carrier, and transmits data to the base station by using a diversity MIMO transmission mode on the first carrier.
  • the first carrier may be configured to be used by the user equipment by using the foregoing steps, where the user terminal is in the configuration diversity MIMO transmission mode, and the user terminal has less interference when transmitting data to the first carrier, thereby improving network performance.
  • the foregoing method may further include:
  • the user terminal receives an indication message that is sent by the foregoing base station to indicate that the second carrier is used by the user equipment.
  • step 702 can include:
  • step 704 can include:
  • the user terminal When the user terminal needs to configure the MIMO transmission mode on the second carrier, the user terminal configures a spatial multiplexing MIMO transmission mode on the second carrier, and uses the spatial multiplexing MIMO transmission mode on the second carrier to The base station transmits data.
  • the interference of the spatial multiplexing MIMO transmission mode with respect to the diversity MIMO transmission mode is large, the channel quality of the user terminal in the central area of the service area of the base station is good, and the user terminal configures spatial multiplexing MIMO transmission on other carriers.
  • the mode transmits data the interference caused by the spatial multiplexing MIMO transmission mode can be overcome.
  • FIG. 8 is a schematic flowchart of another data transmission method according to an embodiment of the present invention. As shown in FIG. 8, the method includes:
  • the user terminal receives, by the base station, the transmit antenna information configured by the base station and the second carrier controlled by the base station.
  • the user terminal receives the mapping relationship between the transmit antenna sent by the base station and the MIMO transmission mode.
  • the transmit antenna information of the carrier configuration selects a MIMO transmission mode that matches the first carrier from the mapping relationship information, and configures the selected MIMO transmission mode on the first carrier;
  • the user terminal selects, according to the transmit antenna information configured by the second carrier, a MIMO transmission mode that matches the second carrier, and The selected MIMO transmission mode matched with the second carrier is configured on the second carrier.
  • the transmit antenna configured according to the first carrier may be used in the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives the transmit antenna information and the mapping relationship information sent by the base station, and when the user needs to configure the MIMO transmission mode in the first carrier, the transmit antenna configured according to the first carrier may be from the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • the matching relationship between the transmitting antenna and the MIMO transmission mode is verified by the inventors through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • the user terminal configures MIMO transmission matching the transmit antenna of the carrier configuration on the above carrier, network performance can be improved.
  • FIG. 9 is a schematic diagram of another data transmission method according to an embodiment of the present invention. As shown in FIG. 9, the method includes:
  • the base station sends, to the user equipment, a first message that is configured to send a first MIMO transmission mode on the first carrier controlled by the base station to the user terminal, and sends a second MIMO on the second carrier controlled by the base station to the user terminal. a second message of the transmission mode, where the second MIMO transmission mode is different from the first MIMO mode;
  • the user terminal may be all user terminals or partial user terminals served by the base station.
  • the user terminal configures the first MIMO transmission mode on the first carrier according to the first message.
  • the user terminal transmits the first data to the base station by using the first MIMO transmission mode on the first carrier.
  • the base station performs precoding processing on the first data by using a first precoding processing manner, where the first precoding processing manner is a processing manner of performing precoding on data transmitted in the first MIMO transmission mode.
  • the user terminal configures the second MIMO transmission mode on the second carrier according to the second message.
  • the user terminal transmits the second data to the base station by using the second MIMO transmission mode on the second carrier.
  • the base station performs precoding processing on the second data by using a second precoding processing manner, where the second precoding processing manner is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • the first pre-coding processing manner that is, the processing method for pre-coding the data transmitted in the first MIMO transmission mode
  • the second pre-coding processing manner that is, the foregoing
  • the processing method of precoding the data transmitted in the second MIMO transmission mode can also refer to the above protocol.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2 and carrier 3,
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second carrier on the second carrier controlled by the base station to the user terminal.
  • a message of the MIMO transmission mode; the foregoing second MIMO transmission mode is different from the first MIMO mode base station receiving the first data that is transmitted by the user terminal on the first carrier by using the first MIMO transmission mode, and using the first precoding process And performing a precoding process on the first data, where the first precoding processing mode is a processing method for precoding the data transmitted in the first MIMO transmission mode; and the base station receiving the user terminal is used in the second carrier.
  • FIG. 10 is a schematic diagram of another data transmission method according to an embodiment of the present invention. As shown in FIG. 10, the method includes:
  • the base station configures a first transmit antenna port number for the first carrier controlled by the base station, and the base station configures a second transmit antenna port number for the second carrier;
  • the base station sends, to the user equipment, a first message that is configured to send a first MIMO transmission mode on the first carrier controlled by the base station to the user terminal, and sends a second MIMO on the second carrier controlled by the base station to the user terminal. a second message of the transmission mode, where the second MIMO transmission mode is different from the first MIMO mode; wherein the first MIMO transmission mode matches the number of first transmit antenna ports of the first carrier configuration, The second MIMO transmission mode is matched with the second transmit antenna port of the second carrier configuration;
  • the user terminal configures the first MIMO transmission mode on the first carrier according to the first message.
  • the user terminal transmits the first data to the base station by using the first MIMO transmission mode on the first carrier.
  • the base station performs precoding processing on the first data by using a first precoding processing manner, where the first precoding processing manner performs precoding on data transmitted in the first MIMO transmission mode. Processing method;
  • the user terminal configures the second MIMO transmission mode on the second carrier according to the second message.
  • the user terminal transmits the second data to the base station by using the second MIMO transmission mode on the second carrier.
  • the base station performs precoding processing on the second data by using a second precoding processing manner, where the second precoding processing manner is a processing manner of precoding the data transmitted in the second MIMO transmission mode.
  • the foregoing first MIMO transmission mode matches the first transmit antenna port number of the first carrier configuration
  • the second MIMO transmission mode matches the second transmit antenna port number of the second carrier configuration
  • the configuration of the transmitting antennas of the first carrier and the second carrier is added, and the transmission of the user terminal when transmitting data is performed because the number of different transmitting antenna ports is matched with different MIMO transmission modes.
  • the performance and the efficiency are different.
  • by configuring the user terminal to configure different MIMO transmission modes on different carriers the network performance can be improved.
  • the following is a device embodiment of the present invention.
  • the device embodiment of the present invention is used to perform the method for implementing the first to tenth embodiments of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown, and the specific technical details are not disclosed.
  • FIG. 11 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the user terminal may be all user terminals or partial user terminals served by the base station.
  • a second sending unit 12 configured to send, to the user terminal, a message that configures a second MIMO transmission mode on a second carrier controlled by the base station, where the second MIMO transmission mode is different from the The first MIMO mode.
  • the first receiving unit 13 is configured to receive first data that is transmitted by the user terminal by using the first MIMO transmission mode on the first carrier, and perform precoding processing on the first data by using a first precoding processing manner, where
  • the first pre-coding processing manner is a processing manner of pre-coding the data transmitted in the first MIMO transmission mode;
  • the second receiving unit 14 is configured to receive second data that is transmitted by the user terminal by using the second MIMO transmission mode on the second carrier, and perform precoding processing on the second data by using a second precoding processing manner, where
  • the second precoding processing mode is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • the first pre-coding processing manner that is, the processing method for pre-coding the data transmitted in the first MIMO transmission mode
  • the second pre-coding processing manner that is, the foregoing
  • the processing method of precoding the data transmitted in the second MIMO transmission mode can also refer to the above protocol.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the foregoing first data and second data may be multiple data.
  • the first MIMO transmission mode may be configured, and the MIMO transmission mode and the base station perform data transmission in the configured manner, and The first carrier transmits data to the base station using the first MIMO transmission mode.
  • the user terminal receives the foregoing message, and when the MIMO transmission mode needs to be configured on the second carrier, the second MIMO transmission mode may be configured, and the configured MIMO transmission mode and the base station perform data transmission, and The second carrier is used to transmit data to the base station using the second MIMO transmission mode.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second carrier on the second carrier controlled by the base station to the user terminal.
  • the base station receives the user terminal to use on the first carrier First data transmitted in the first MIMO transmission mode, and performing precoding processing on the first data by using a first precoding processing manner, where the first precoding processing manner is pre-prepared for data transmitted in the first MIMO transmission mode
  • the processing method of the encoding the base station receiving the second data that is transmitted by the user terminal on the second carrier by using the first MIMO transmission mode, and performing precoding processing on the second data by using a second precoding processing manner, where the second The precoding processing method is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • FIG. 12 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 12, the method includes: a first sending unit 21, a second sending unit 22, a first receiving unit 23, and a second receiving unit 24, where :
  • the first sending unit 21 is configured to send, to the user equipment, a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station;
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the second sending unit 22 is configured to send, to the user equipment, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode is different from the first MIMO mode.
  • the second MIMO mode described in the foregoing includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode.
  • the foregoing second MIMO transmission mode is used. Specifically, it may include:
  • any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the user terminal may configure a diversity MIMO transmission mode on the first carrier, when the second carrier is required.
  • the MIMO transmission mode is configured, the open-loop MIMO transmission mode, the spatial multiplexing MIMO transmission mode, and the closed-loop MIMO transmission may be configured on the foregoing second carrier. Any of the modes.
  • the MIMO transmission modes configured by the multiple user terminals on the same carrier are the same, so that the user terminal has less interference when transmitting data in the MIMO transmission mode, thereby improving network performance.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode, where the second MIMO is used in the implementation manner.
  • the transmission mode may specifically include:
  • any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the user terminal may configure a spatial multiplexing MIMO transmission mode on the first carrier, where When the MIMO transmission mode is configured on the two carriers, any one of the open-loop MIMO transmission mode, the diversity MIMO transmission mode, and the closed-loop MIMO transmission mode may be configured on the second carrier.
  • the foregoing first MIMO transmission mode may also be an open-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: a closed-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the foregoing first MIMO transmission mode may also be a closed-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the first receiving unit 23 is configured to receive first data that is sent by the user terminal by using the first MIMO transmission mode on the first carrier, and perform precoding processing on the first data by using a first precoding processing manner, where
  • the first pre-coding processing manner is a processing manner of pre-coding the data transmitted in the first MIMO transmission mode;
  • the second receiving unit 24 is configured to receive second data that is transmitted by the user terminal by using the first MIMO transmission mode on the second carrier, and perform precoding processing on the second data by using a second precoding processing manner, where
  • the second precoding processing mode is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • the base station may further include:
  • the third sending unit 25 is configured to send, to the first user terminal, an indication message for indicating that the first carrier is used by the first user terminal, so that when the first user terminal needs to use the first carrier,
  • a diversity MIM0 transmission mode is configured on a carrier; the first user terminal refers to a user terminal at an edge of the base station service area or an area where the base station service coverage is limited.
  • the first carrier is configured to be used by the first user terminal by using the foregoing steps, where the first user terminal is in the configuration diversity MIMO transmission mode, and the user terminals have less interference when transmitting data on the first carrier, thereby Improve network performance.
  • the base station may further include:
  • the fourth sending unit 26 is configured to send, to the second user terminal, an indication message for indicating that the second carrier is used by the second user terminal, so that when the second user terminal needs to use the second carrier, A spatial multiplexing MIMO transmission mode is configured on the second carrier; the second user terminal refers to a user terminal located in a central area of the base station service area.
  • the first user terminal and the second user terminal may be single or multiple user terminals.
  • the spatial multiplexing MIMO transmission mode has a larger interference with respect to the diversity MIMO transmission mode, and the channel quality of the second user terminal is better, when the second user terminal configures spatial multiplexing on the second carrier
  • MIMO transmission mode When MIMO transmission mode transmits data, it can overcome the interference caused by spatial multiplexing MIMO transmission mode.
  • FIG. 13 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG.
  • the method includes: a first sending unit 31, a second sending unit 32, a first receiving unit 33, and a second receiving unit 34, where
  • the first transmitting unit 31 includes a first transmitting subunit 311 and a second transmitting subunit 312
  • the second transmitting unit 32 includes a third transmitting subunit 321 and a fourth transmitting subunit 322
  • the first receiving unit 33 includes the first receiving unit
  • the second receiving unit 34 includes a third receiving sub-unit 341 and a fourth receiving sub-unit 342, wherein:
  • a first sending subunit 311, configured to send, to the user equipment, a message that configures a first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier controlled by the base station;
  • a second sending subunit 312 configured to send, to the user terminal, a first carrier controlled by the base station And configuring, by the second subcarrier, a message of the second sub MIMO transmission mode of the first MIMO transmission mode;
  • the third sending subunit 321 is configured to send, to the user equipment, the first subcarrier of the second carrier controlled by the base station a message of the first sub-MIMO transmission mode of the second MIMO transmission mode is configured;
  • a fourth sending sub-unit 322, configured to send, to the user equipment, the second sub-carrier of the second carrier controlled by the base station The message of the second sub-MIMO transmission mode of the MIMO transmission mode.
  • the second MIMO transmission mode is different from the first MIMO transmission, and the first
  • the first sub MIMO transmission mode of the MIMO transmission mode is different from the second sub MIMO transmission mode of the first MIMO transmission mode
  • the first sub MIMO transmission mode of the second MIMO transmission mode is different from the second of the second MIMO transmission mode Sub MIMO transmission mode.
  • the first sub mode of the foregoing first MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second submode of the foregoing first MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second sub-mode of the first MIMO transmission mode is different from the first sub-mode of the first MIMO transmission mode.
  • the first sub-mode of the first MIMO transmission mode is the open-loop diversity MIMO transmission mode
  • the second sub-mode of the first MIMO transmission mode cannot be the open-loop diversity MIMO transmission mode.
  • the first submode of the foregoing second MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open-loop spatial multiplexing MIMO transmission mode and closed-loop spatial multiplexing MIMO transmission mode or open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode;
  • Closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode are closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second submode of the foregoing second MIMO transmission mode may be selected from the following modes: open loop diversity MIMO transmission mode and closed loop diversity MIMO transmission mode; or
  • Open loop spatial multiplexing MIMO transmission mode and closed loop spatial multiplexing MIMO transmission mode or Open-loop spatial multiplexing MIMO transmission mode and open-loop diversity MIMO transmission mode; or closed-loop spatial multiplexing MIMO transmission mode and closed-loop diversity MIMO transmission mode.
  • the second sub-mode of the second MIMO transmission mode is different from the first sub-mode of the second MIMO transmission mode.
  • the first sub-mode of the second MIMO transmission mode is the open-loop diversity MIMO transmission mode
  • the second sub-mode of the second MIMO transmission mode cannot be an open-loop diversity MIMO transmission mode.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more of multiple carriers included in the first carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing first carrier may also include multiple carriers.
  • the second carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the second carrier may be one or more of multiple carriers included in the second carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the first receiving sub-unit 331 is configured to receive, by using, the first sub-data transmitted by the user terminal in the first sub-mode of the first MIMO transmission mode on the first sub-carrier of the first carrier, and using the first sub-precoding
  • the processing method performs precoding processing on the first sub data
  • the first sub precoding processing manner is a processing manner for performing precoding on data transmitted in the first sub mode of the first MIMO transmission mode
  • the second receiving sub-unit 332 is configured to receive the second sub-data transmitted by the user terminal in the second sub-carrier of the first MIMO transmission mode on the second sub-carrier of the first carrier, and use the second sub-precoding
  • the processing method performs precoding processing on the second sub data
  • the second sub precoding processing method is a processing method for performing precoding on data transmitted in the second sub mode of the first MIMO transmission mode
  • a third receiving sub-unit 341, configured to receive, by using, the third sub-data transmitted by the user terminal in the first sub-mode of the second MIMO transmission mode on the first sub-carrier of the second carrier, and using the third sub-precoding
  • the processing method performs precoding processing on the third sub data
  • the third sub precoding processing method is a processing method for performing precoding on data transmitted in the first sub mode of the second MIMO transmission mode
  • the fourth receiving sub-unit 342 is configured to receive the fourth sub-data transmitted by the user terminal in the second sub-carrier of the second MIMO transmission mode on the second sub-carrier of the second carrier, and use the fourth sub-pre
  • the encoding processing method performs precoding processing on the fourth sub data
  • the fourth sub precoding processing method is a processing method of performing precoding on data transmitted in the second sub mode of the second MIMO transmission mode.
  • first sub data, the second sub data, the third sub data, and the fourth sub data may be a plurality of data.
  • the first sub precoding processing mode, the second sub precoding processing mode, the third sub precoding processing mode, and the fourth sub precoding processing mode may be referred to the protocol.
  • FIG. 14 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 14, the method includes: a transmit antenna configuration unit 41, a first sending unit 42 and a second sending unit 43, a first receiving unit 44, and a first Two receiving units 45, wherein:
  • a transmit antenna configuration unit 41 configured to configure a first transmit antenna port number for the first carrier controlled by the base station, and configure the second transmit antenna port number for the second carrier by the base station;
  • a single-port transmit antenna is configured for the first carrier, a dual-port transmit antenna is configured for the second carrier, or a dual-port transmit antenna is configured for the first carrier, and a four-port transmit antenna is configured for the second carrier. . ;
  • the first sending unit 42 is configured to send, to the user equipment, a message that the first MIMO transmission mode is configured on the first carrier controlled by the base station, where the first MIMO transmission mode and the first carrier configure the first transmit antenna port number .
  • the number of the first transmit antenna ports configured by the base station for the first carrier is one, that is, when the first carrier is configured with a single port number of transmit antennas,
  • the first sending unit 42 is further configured to send, to the user equipment, a message that the single antenna transmits the MIMO transmission mode or the beamformed MIMO transmission mode on the first carrier controlled by the base station.
  • the single antenna transmission MIMO transmission mode or the beamforming MIMO transmission mode and the number of transmitting antenna ports are matched by the inventors through a large amount of experimental data verification. This pairing can improve the efficiency of transferring data.
  • the first sending unit 42 is further configured to send, to the user equipment, a message that configures an open-loop MIMO transmission mode on the first carrier controlled by the base station.
  • the first sending unit 42 is further configured to send, to the user equipment, a message that configures a closed-loop diversity MIMO transmission mode on the first sub-carrier of the first carrier, and send the message to the user terminal.
  • a message of a closed-loop spatial multiplexing MIMO transmission mode is configured on a second subcarrier of a carrier.
  • the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched by the inventors through a large amount of experimental data verification. This matching pair can improve the efficiency of transmitting data.
  • the number of the first transmit antenna ports configured by the base station for the first carrier is four, that is, when the first carrier is configured with a four-port transmit antenna
  • the first sending unit 42 is further configured to send, to the user terminal, a message for configuring a closed loop MIMO transmission mode on the first carrier controlled by the base station.
  • the first sending unit 42 is further configured to send, to the user equipment, a message that configures a closed-loop diversity MIMO transmission mode on the first sub-carrier of the first carrier, and send the message to the user terminal.
  • a message of a closed-loop spatial multiplexing MIMO transmission mode is configured on a second subcarrier of a carrier.
  • a second sending unit 43 configured to send, to the user terminal, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode and the second carrier antenna configured by the second carrier are configured The ports match.
  • the second sending unit 43 may also be used.
  • a message for configuring a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode on a second carrier controlled by the base station is transmitted to the user terminal.
  • the second sending unit 43 is further configured to send, to the user terminal, a message that configures a closed-loop diversity MIMO transmission mode on the first subcarrier of the second carrier, and send the second subcarrier configured on the second carrier to the user terminal. Closed-loop spatial multiplexing of MIMO transmission mode messages.
  • the second sending unit 43 may also be used. And transmitting a message for configuring an open-loop MIMO transmission mode on a second carrier controlled by the base station to the user equipment.
  • the second sending unit 43 can also be used. And transmitting a message to the user terminal to configure a closed-loop MIMO transmission mode on the second carrier controlled by the base station.
  • the second sending unit 43 is further configured to send, to the user equipment, a message that configures a closed-loop diversity MIMO transmission mode on the first sub-carrier of the second carrier; and send the foregoing to the user terminal.
  • a message of a closed-loop spatial multiplexing MIMO transmission mode is configured on the second subcarrier of the two carriers.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more of multiple carriers included in the first carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing first carrier may also include multiple carriers.
  • the second carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the second carrier may be one or more of multiple carriers included in the second carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the first receiving unit 44 is configured to receive first data that is sent by the user terminal by using the first MIMO transmission mode on the first carrier, and perform precoding processing on the first data by using a first precoding processing manner, where
  • the first pre-coding processing manner is a processing manner of pre-coding the data transmitted in the first MIMO transmission mode;
  • the second receiving unit 45 is configured to receive second data that is transmitted by the user terminal by using the second MIMO transmission mode on the second carrier, and perform precoding processing on the second data by using a second precoding processing manner, where
  • the second precoding processing mode is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • FIG. 15 is a schematic structural diagram of a user terminal according to an embodiment of the present invention. As shown in FIG. 15, the method includes: a first receiving unit 51, a second receiving unit 52, a first configuration unit 53, and a second configuration unit 54, wherein :
  • the first receiving unit 51 is configured to receive a message that is sent by the base station and configured to configure the first MIMO transmission mode on the first carrier controlled by the base station;
  • a second receiving unit 52 configured to receive a message that is sent by the base station and configured to configure a second MIMO transmission mode on a second carrier controlled by the base station;
  • a first configuration unit 53 configured to: when the user terminal needs to configure a MIMO transmission mode on the first carrier, configure the first MIMO transmission mode on the first carrier, and use the first on the first carrier
  • the MIMO transmission mode transmits data to the base station
  • a second configuration unit 54 configured to: when the user terminal needs to configure a MIMO transmission mode on the second carrier, configure the second MIMO transmission mode on the second carrier, and use the second on the second carrier
  • the MIMO transmission mode transmits data to the above base station.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives a message that is sent by the base station and configures the first MIMO transmission mode on the first carrier controlled by the base station; and the user terminal receives the second MIMO transmission that is sent by the base station and is configured on the second carrier controlled by the base station.
  • a mode message when the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first on the first carrier
  • the MIMO transmission mode transmits data to the base station; when the user terminal needs to configure the MIMO transmission mode on the second carrier, the user terminal configures the second MIMO transmission mode on the second carrier, and in the second The data is transmitted to the base station using the second MIMO transmission mode described above on the carrier.
  • FIG. 16 is a schematic structural diagram of another user terminal according to an embodiment of the present invention, as shown in FIG. The method includes: a first receiving unit 61, a second receiving unit 62, a first configuration unit 63, and a second configuration unit 64, where:
  • the first receiving unit 61 is configured to receive a message that is sent by the base station and configured to configure the first MIMO transmission mode on the first carrier controlled by the base station.
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the second receiving unit 62 is configured to receive a message that is sent by the base station and configured to configure a second MIMO transmission mode on the second carrier controlled by the base station.
  • the second MIMO mode described in the foregoing includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode.
  • the foregoing second MIMO transmission mode is used. Specifically, it may include:
  • any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing second MIMO transmission mode is different from the foregoing first MIMO transmission mode, where the second MIMO is used in the implementation manner.
  • the transmission mode may specifically include:
  • any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode is any of an open-loop MIMO transmission mode, a diversity MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing first MIMO transmission mode may also be an open-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: a closed-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • the foregoing first MIMO transmission mode may also be a closed-loop MIMO transmission
  • the second MIMO transmission mode may specifically include: an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a diversity MIMO transmission mode. Made a kind.
  • Diversity MIMO transmission mode open-loop MIMO transmission mode, spatial multiplexing MIMO transmission mode, and closed-loop MIMO transmission mode;
  • the second MIMO mode includes:
  • Diversity MIMO transmission mode open-loop MIMO transmission mode, spatial multiplexing MIMO transmission mode And any of the closed loop MIMO transmission modes.
  • a first configuration unit 63 configured to: when the user terminal needs to configure a MIMO transmission mode on the first carrier, configure the first MIMO transmission mode on the first carrier, and use the first on the first carrier
  • the MIMO transmission mode transmits data to the above base station.
  • a second configuration unit 64 configured to: when the user terminal needs to configure a MIMO transmission mode on the second carrier, configure the second MIMO transmission mode on the second carrier, and use the second on the second carrier
  • the MIMO transmission mode transmits data to the above base station.
  • the first receiving unit 61 includes:
  • a first receiving subunit configured to receive, by the base station, a message that is configured by the base station to configure a first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier controlled by the base station;
  • a second receiving sub-unit configured to receive, by the base station, a message that is configured to configure the second sub-MIMO transmission mode of the first MIMO transmission mode on the second subcarrier of the first carrier controlled by the base station .
  • the optional second receiving unit 62 can include:
  • a third receiving subunit configured to receive a message that the first sub MIMO transmission mode of the second MIMO transmission mode is configured on the first subcarrier of the second carrier controlled by the base station and sent by the base station;
  • a fourth receiving subunit configured to receive a message that the second sub MIMO transmission mode of the second MIMO transmission mode is configured on the second subcarrier of the second carrier controlled by the base station and sent by the base station ;
  • the first configuration unit 63 may include:
  • a first configuration subunit (not shown in the figure), configured to: when the user terminal needs to configure a MIMO transmission mode on the first subcarrier of the first carrier, configure the first subcarrier of the first carrier a first sub MIMO transmission mode of the first MIMO transmission mode, and transmitting data to the base station by using a first sub MIMO transmission mode of the first MIMO transmission mode on a first subcarrier of the first carrier;
  • a second configuration subunit (not shown in the drawing), configured to: when the user terminal needs to configure a MIMO transmission mode on the second subcarrier of the first carrier, configure the second subcarrier of the first carrier a second sub MIMO transmission mode of the first MIMO transmission mode, and in the first carrier Transmitting data to the base station using the second sub-MIMO transmission mode of the first MIMO transmission mode on the two subcarriers;
  • the second configuration unit 64 may include:
  • a third configuration sub-unit configured to: when the user terminal needs to configure a MIMO transmission mode on the first subcarrier of the second carrier, on the first subcarrier of the second carrier And configuring a first sub MIMO transmission mode of the foregoing second MIMO transmission mode, and transmitting data to the base station by using the first sub MIMO transmission mode of the second MIMO transmission mode on the first subcarrier of the second carrier;
  • a fourth configuration subunit (not shown in the drawing), configured to: when the user terminal needs to configure a MIMO transmission mode on the second subcarrier of the second carrier, configure the second subcarrier of the second carrier And the second sub-MIMO transmission mode of the second MIMO transmission mode, and transmitting data to the base station by using the second sub-MIMO transmission mode of the second MIMO transmission mode on the second subcarrier of the second carrier.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more carriers of multiple carriers included in the first carrier, that is, The first subcarrier and the second subcarrier of the first carrier may also include multiple carriers.
  • the second carrier is a plurality of carriers
  • the first subcarrier and the second subcarrier of the second carrier may be one or more carriers of the plurality of carriers included in the second carrier, that is,
  • the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the first receiving unit 61 is further configured to receive, by the base station, a message that is configured by the base station to configure the first MIMO transmission mode on the first carrier controlled by the base station, where the first MIMO transmission mode is The number of the first transmit antenna ports of the first carrier configuration is matched;
  • the second receiving unit 62 is further configured to receive, by the foregoing base station, a message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, where the second MIMO transmission mode is the second carrier The configured number of second transmit antenna ports matches.
  • the foregoing first MIMO transmission mode matches the number of first transmit antenna ports configured for the first carrier
  • the second MIMO transmission mode matches the number of second transmit antenna ports configured for the second carrier. It was verified by the inventors through a large amount of experimental data. This matching pair can improve the efficiency of transmitting data.
  • the first receiving unit 61 is further configured to receive, by the base station, the first control at the base station Configuring a single antenna to transmit a MIMO transmission mode or a beamforming MIMO transmission mode message, wherein the number of the first transmit antenna ports configured for the first carrier is one; or
  • the first receiving unit 61 may be further configured to receive, by the base station, a message that the open-loop MIMO transmission mode is configured on the first carrier controlled by the base station, where the number of the first transmit antenna ports configured for the first carrier is two; or
  • the first receiving unit 61 is further configured to receive, by the base station, a message that the closed-loop MIMO transmission mode is configured on the first carrier controlled by the base station, where the number of the first transmit antenna ports configured for the first carrier is four;
  • the second receiving unit 62 is further configured to receive, by the base station, a message that is configured by the base station to configure a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode, where the second carrier is configured.
  • the number of second transmit antenna ports is one; or
  • the second receiving unit 62 is further configured to receive, by the base station, a message that the open-loop MIMO transmission mode is configured on the second carrier controlled by the base station, where the number of the second transmit antenna ports configured for the second carrier is two; or
  • the second receiving unit 62 is further configured to receive, by the base station, a message that the closed MIMO transmission mode is configured on the second carrier controlled by the base station, where the number of the second transmit antenna ports configured for the second carrier is four.
  • the single-antenna transmit MIMO transmission mode is matched with the number of transmit antenna ports; or the beamforming MIMO transmission mode matches the number of transmit antenna ports; the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched; The MIMO transmission mode is matched with the number of transmit antenna ports by four.
  • the inventors have verified through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • the foregoing user terminal may further include:
  • a third receiving unit 65 configured to: when the user terminal is in an area of the base station service area or an area where the base station service coverage is limited, receive, by the base station, the first carrier to be used by the user equipment Indicating message;
  • the first receiving unit 61 is further configured to receive, by the foregoing base station, a message that configures a diversity MIMO transmission mode on the first carrier controlled by the base station;
  • the first configuration unit 63 is further configured to: when the user terminal needs to configure the MIMO transmission mode on the first carrier, configure a diversity MIMO transmission mode on the first carrier, and The diversity carrier MIMO transmission mode is used on the first carrier to transmit data to the base station.
  • the first carrier may be configured to be used by the user equipment by using the foregoing steps, where the user terminal is in the configuration diversity MIMO transmission mode, and the user terminal has less interference when transmitting data to the first carrier, thereby improving network performance.
  • the fourth receiving unit 66 is configured to: when the user terminal is in a central area of the base station service area, receive an indication message sent by the base station to indicate that the second carrier is used by the user terminal;
  • the second receiving unit 62 is further configured to receive, by using the base station, a message that configures a spatial multiplexing MIMO transmission mode on the second carrier controlled by the base station;
  • the second configuration unit 64 is further configured to: when the user terminal needs to configure the MIMO transmission mode on the second carrier, configure a spatial multiplexing MIMO transmission mode on the second carrier, and perform the second carrier on the second carrier.
  • the spatial multiplexing MIMO transmission mode is used to transmit data to the base station.
  • the interference of the spatial multiplexing MIMO transmission mode with respect to the diversity MIMO transmission mode is large, the channel quality of the user terminal in the central area of the service area of the base station is good, and the user terminal configures spatial multiplexing MIMO transmission on other carriers.
  • the mode transmits data the interference caused by the spatial multiplexing MIMO transmission mode can be overcome.
  • FIG. 17 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention. As shown in FIG. 17, the method includes: a base station 71 and a user terminal 72, where:
  • base station 71 may include a base station in any of the embodiments shown in Figures 11-14.
  • the user terminal 72 may include the user terminal of any of the embodiments shown in FIGS.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second carrier on the second carrier controlled by the base station to the user terminal.
  • the foregoing second MIMO transmission mode is different from the first MIMO mode base station receiving the use of the user terminal on the first carrier a first data transmitted in a MIMO transmission mode, and performing precoding processing on the first data by using a first precoding processing manner, where the first precoding processing manner is precoding the data transmitted in the first MIMO transmission mode
  • the encoding processing method is a processing method of precoding the data transmitted in the second MIMO transmission mode.
  • FIG. 18 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 18, the method includes: a transmit antenna configuration unit 81, a configuration information sending unit 82, and a mapping relationship sending unit 83, where:
  • a transmitting antenna configuration unit 81 configured to configure, for the first carrier and the second carrier controlled by the base station, different number of transmitting antennas
  • the configuration information sending unit 82 is configured to send the transmitting antenna information configured by using the first carrier and the second carrier to the user terminal;
  • a mapping relationship sending unit 83 configured to send, to the user terminal, mapping relationship information between a preset transmit antenna and a MIMO transmission mode; when the user terminal needs to configure a MIMO transmission mode on the first carrier, to enable the user terminal Determining, according to the transmit antenna information of the first carrier configuration, a MIMO transmission mode matched with the first carrier from the mapping relationship information, and configuring the selected MIMO transmission mode on the first carrier; or The user terminal needs to configure the MIMO transmission mode on the second carrier, so that the user terminal selects the MIMO transmission that matches the second carrier from the mapping relationship information according to the transmit antenna information of the second carrier configuration. a mode, and configuring the selected MIMO transmission mode matched with the second carrier on the second carrier.
  • the transmit antenna configured according to the first carrier may be used in the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • the foregoing mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the base station configures a transmit antenna with a different number of ports for the first carrier and the second carrier controlled by the base station; the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal;
  • the mapping relationship between the set transmit antenna and the MIMO transmission mode is sent to the user terminal, and after the user terminal receives the transmit antenna information and the mapping relationship information message, when the user needs to configure the MIMO transmission mode on the first carrier,
  • the transmitting antenna according to the first carrier configuration finds a MIMO transmission mode matched with the transmitting antenna of the first carrier configuration from the mapping relationship information, and configures the selected MIMO transmission mode on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • FIG. 19 is a schematic structural diagram of a user terminal according to an embodiment of the present invention. As shown in FIG. 19, the method includes: a first receiving unit 91, a second receiving unit 92, a first configuration unit 93, and a second configuration unit 94, where :
  • the first receiving unit 91 is configured to receive, by the base station, transmit antenna information configured by the first carrier and the second carrier controlled by the base station;
  • the second receiving unit 92 is configured to receive mapping relationship information between the transmit antenna and the MIMO transmission mode sent by the base station;
  • the first configuration unit 93 is configured to: when the user equipment needs to be in the first carrier, select, according to the transmit antenna information configured by the first carrier, the MIMO transmission mode that matches the first carrier from the mapping relationship information. And configuring the selected MIMO transmission mode on the first carrier;
  • the second configuration unit 94 is configured to: when the user terminal needs to be in the second carrier, transmit antenna information according to the second carrier configuration from the foregoing A MIMO transmission mode matching the second carrier is selected in the mapping relationship information, and the selected MIMO transmission mode matched with the second carrier is configured on the second carrier.
  • the transmit antenna configured according to the first carrier may be used in the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives the transmit antenna information and the mapping relationship information sent by the base station, and when the user needs to configure the MIMO transmission mode in the first carrier, the transmit antenna configured according to the first carrier may be from the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • the matching relationship between the transmitting antenna and the MIMO transmission mode is verified by the inventors through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • Network performance can be improved when the carrier-configured transmit antenna matches the MIMO transmission.
  • FIG. 20 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention. As shown in FIG. 20, the method includes: a base station 101 and a user terminal 102.
  • the base station 101 may include the base station in any of the embodiments shown in FIG. 18.
  • the user terminal 102 may include a user terminal in any of the embodiments shown in FIG.
  • the base station configures a transmit antenna with a different number of ports for the first carrier and the second carrier controlled by the base station; the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal;
  • the mapping relationship between the set transmit antenna and the MIMO transmission mode is sent to the user terminal, and after the user terminal receives the transmit antenna information and the mapping relationship information message, when the user needs to configure the MIMO transmission mode on the first carrier,
  • the transmitting antenna according to the first carrier configuration finds a MIMO transmission mode matched with the transmitting antenna of the first carrier configuration from the mapping relationship information, and configures the selected MIMO transmission mode on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • FIG. 21 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 21, the method includes: a processor 111, a communication interface 112, and a memory 113:
  • a communication interface 112 configured to send a message to the user terminal
  • a set of program codes is stored in the memory 113, and the processor 111 is configured to call the program code stored in the memory 113 for performing the following operations:
  • the precoding processing mode is a processing method for precoding the data transmitted in the first MIMO transmission mode
  • the first pre-coding processing manner that is, the processing method for pre-coding the data transmitted in the first MIMO transmission mode
  • the second pre-coding processing manner that is, the foregoing
  • the processing method of precoding the data transmitted in the second MIMO transmission mode can also refer to the above protocol.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station; and the base station sends the second carrier on the second carrier controlled by the base station to the user terminal.
  • a message of the MIMO transmission mode; the foregoing second MIMO transmission mode is different from the first MIMO mode base station receiving the first data that is transmitted by the user terminal on the first carrier by using the first MIMO transmission mode, and using the first precoding process And performing a precoding process on the first data, where the first precoding processing mode is a processing method for precoding the data transmitted in the first MIMO transmission mode; and the base station receiving the user terminal is used in the second carrier.
  • FIG. 22 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 22, the method includes: a processor 121, a communication interface 122, and a memory 123:
  • a communication interface 122 configured to send a message to the user terminal;
  • a set of program codes is stored in the memory 123, and the processor 121 is configured to call the program code stored in the memory 123 for performing the following operations:
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the processor 121 is further configured to perform the following steps:
  • the first carrier is configured to be used by the first user terminal by using the foregoing steps, where the first user terminal is in the configuration diversity MIMO transmission mode, and the user terminals have less interference when transmitting data on the first carrier, thereby Improve network performance.
  • the processor 121 is further configured to perform the following steps:
  • the first user terminal and the second user terminal may be single or multiple user terminals.
  • the spatial multiplexing MIMO transmission mode has a larger interference with respect to the diversity MIMO transmission mode, and the channel quality of the second user terminal is better, when the second user terminal configures spatial multiplexing on the second carrier
  • MIMO transmission mode When MIMO transmission mode transmits data, it can overcome the interference caused by spatial multiplexing MIMO transmission mode.
  • the performing, by the processor 121, the sending, to the user terminal, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may include:
  • the operations performed by the processor 121 to receive the first data that is transmitted by the user terminal on the first carrier, and perform the precoding processing on the first data by using the first precoding processing manner may include:
  • the first sub-data transmitted by using the first sub-mode of the first MIMO transmission mode on the first sub-carrier of the first carrier and performing the first sub-data by using the first sub-precoding processing manner a precoding process, where the first sub precoding processing mode is a processing mode for precoding the data transmitted in the first sub mode of the first MIMO transmission mode;
  • the second sub precoding processing method is a processing method of performing precoding on data transmitted in the second sub mode of the first MIMO transmission mode.
  • the performing, by the processor 121, the sending, by using the user equipment, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station may include:
  • the processor 121 performs the operation of receiving the second data transmitted by the user terminal on the second carrier, and performing precoding processing on the second data by using the second precoding processing manner.
  • the third sub-data transmitted by using the first sub-mode of the second MIMO transmission mode on the first sub-carrier of the second carrier and performing the third sub-data by using the third sub-precoding processing manner a precoding process
  • the third sub precoding processing mode is a processing method of performing precoding on data transmitted in the first sub mode of the second MIMO transmission mode
  • the fourth sub precoding processing method is a processing method of precoding the data transmitted in the second sub mode of the second MIMO transmission mode.
  • the second MIMO transmission mode is different from the first MIMO transmission, and the first sub MIMO transmission mode of the first MIMO transmission mode is different from the second sub MIMO transmission mode of the first MIMO transmission mode, and the second MIMO transmission is performed.
  • the first sub MIMO transmission mode of the mode is different from the second sub MIMO transmission mode of the second MIMO transmission mode described above.
  • first sub data, the second sub data, the third sub data, and the fourth sub data may be a plurality of data.
  • the first sub precoding processing mode, the second sub precoding processing mode, the third sub precoding processing mode, and the fourth sub precoding processing mode may be referred to the protocol.
  • processor 121 is further configured to perform the following operations:
  • a single-port transmit antenna is configured for the first carrier
  • a dual-port transmit antenna is configured for the second carrier
  • a dual-port transmit antenna is configured for the first carrier
  • a four-port transmit antenna is configured for the second carrier.
  • the performing, by the processor 121, the sending, by the processor, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may include:
  • the number of the first transmit antenna ports configured for the first carrier is one, that is, when the first carrier is configured with a single port number of transmit antennas,
  • the operation performed by the processor 121 to send a message to the user terminal to configure the first MIMO transmission mode on the first carrier controlled by the base station may include:
  • a message is transmitted to the user terminal to configure a single antenna transmit MIMO transmission mode or a beamforming MIMO transmission mode on the first carrier controlled by the base station.
  • the single antenna transmission MIMO transmission mode or the beamforming MIMO transmission mode and the number of transmitting antenna ports are matched by the inventors through a large amount of experimental data verification. This pairing can improve the efficiency of transferring data.
  • the number of the first transmit antenna ports configured by the base station for the first carrier is two, that is, when the first carrier is configured with a two-port transmit antenna
  • the operation performed by the processor 121 to send a message to the user terminal to configure the first MIMO transmission mode on the first carrier controlled by the base station may include:
  • a message for configuring an open-loop MIMO transmission mode on the first carrier controlled by the base station is transmitted to the user terminal.
  • the performing, by the processor 121, the sending, by the processor, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may further include:
  • the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched by the inventors through a large amount of experimental data verification. This matching pair can improve the efficiency of transmitting data.
  • the number of the first transmit antenna ports configured by the base station for the first carrier is four, that is, when the first carrier is configured with a four-port transmit antenna
  • the operation performed by the processor 121 to send a message to the user terminal to configure the first MIMO transmission mode on the first carrier controlled by the base station may include:
  • a message is sent to the user terminal to configure a closed-loop MIMO transmission mode on the first carrier controlled by the base station.
  • the performing, by the processor 121, the sending, by the processor, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may further include:
  • the performing, by the processor 121, the sending, by using the user equipment, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station may include:
  • the processor 121 performs the foregoing to the user terminal.
  • the operation of sending the message of the second MIMO transmission mode on the second carrier controlled by the base station may include:
  • a message is transmitted to the user terminal to configure a single antenna transmit MIMO transmission mode or a beamformed MIMO transmission mode on the second carrier controlled by the base station.
  • the processor 121 performs the foregoing operation to the user.
  • the operation of the terminal to send the message of the second MIMO transmission mode on the second carrier controlled by the base station may include:
  • a message for configuring an open-loop MIMO transmission mode on a second carrier controlled by the base station is transmitted to the user terminal.
  • the performing, by the processor 121, the sending, by the processor, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station may further include:
  • the processor 121 performs the foregoing to the user.
  • the operation of the terminal to send the message of the second MIMO transmission mode on the second carrier controlled by the base station may include:
  • a message for configuring a closed-loop MIMO transmission mode on the second carrier controlled by the base station is transmitted to the user terminal.
  • the performing, by the processor 121, the sending, by the processor, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station may further include:
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more of multiple carriers included in the first carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing first carrier may also include multiple carriers.
  • the second carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the second carrier may be one or more of multiple carriers included in the second carrier.
  • the carrier that is, the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • FIG. 23 is a schematic structural diagram of another user terminal according to an embodiment of the present invention. As shown in FIG. 23, the processor 131, the communication interface 132, and the memory 133 are:
  • a communication interface 132 configured to receive a message sent by the base station
  • a set of program codes is stored in the memory 133, and the processor 131 is configured to call the memory 133.
  • the user terminal needs to configure the MIMO transmission mode on the first carrier, configuring the first MIMO transmission mode on the first carrier, and transmitting data to the base station by using the first MIMO transmission mode on the first carrier.
  • the user terminal needs to configure the MIMO transmission mode on the second carrier, configuring the second MIMO transmission mode on the second carrier, and transmitting data to the base station by using the second MIMO transmission mode on the second carrier.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives a message that is sent by the base station and configures the first MIMO transmission mode on the first carrier controlled by the base station; and the user terminal receives the second MIMO transmission that is sent by the base station and is configured on the second carrier controlled by the base station.
  • a mode message when the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal configures the first MIMO transmission mode on the first carrier, and uses the first MIMO on the first carrier.
  • the transmission mode transmits data to the base station; when the user terminal needs to configure the MIMO transmission mode on the second carrier, the user terminal configures the second MIMO transmission mode on the second carrier, and uses the second wave on the second wave.
  • the second MIMO transmission mode transmits data to the base station.
  • FIG. 24 is a schematic structural diagram of another user terminal according to an embodiment of the present invention.
  • the processor 141, the communication interface 142, and the memory 143 are:
  • a communication interface 142 configured to receive a message sent by the base station
  • a set of program codes is stored in the memory 143, and the processor 141 is configured to call the memory 143.
  • the user terminal needs to configure the MIMO transmission mode on the first carrier, configuring the first MIMO transmission mode on the first carrier, and transmitting data to the base station by using the first MIMO transmission mode on the first carrier.
  • the user terminal needs to configure the MIMO transmission mode on the second carrier, configuring the second MIMO transmission mode on the second carrier, and transmitting data to the base station by using the second MIMO transmission mode on the second carrier.
  • the foregoing first MIMO mode includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the second MIMO mode described in the foregoing includes: a diversity MIMO transmission mode, an open-loop MIMO transmission mode, a spatial multiplexing MIMO transmission mode, and a closed-loop MIMO transmission mode.
  • the performing, by the processor 141, the receiving, by the base station, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may include:
  • the receiving, by the processor 141, the sending, by the base station, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station includes:
  • the processor 141 is configured to: when the user terminal needs to configure the MIMO transmission mode on the first carrier, configure the first MIMO transmission mode on the first carrier, and use the first on the first carrier.
  • the operation of transmitting data to the base station by using the MIMO transmission mode may include: When the user terminal needs to configure the MIMO transmission mode on the first subcarrier of the first carrier, configuring the first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier, and Transmitting data to the base station by using the first sub MIMO transmission mode of the first MIMO transmission mode on the first subcarrier of the first carrier;
  • the user terminal needs to configure the MIMO transmission mode on the second subcarrier of the first carrier, configuring the second sub MIMO transmission mode of the first MIMO transmission mode on the second subcarrier of the first carrier, and
  • the second subcarrier of the first carrier transmits data to the base station by using the second sub MIMO transmission mode of the first MIMO transmission mode.
  • the processor 141 configures the second MIMO transmission mode on the second carrier, and uses the foregoing on the second carrier.
  • the operation of transmitting the data to the base station by using the MIMO transmission mode may include: when the user terminal needs to configure the MIMO transmission mode on the first subcarrier of the second carrier, configuring the foregoing on the first subcarrier of the second carrier a first sub MIMO transmission mode of the second MIMO transmission mode, and transmitting data to the base station by using the first sub MIMO transmission mode of the second MIMO transmission mode on the first subcarrier of the second carrier;
  • the user terminal needs to configure the MIMO transmission mode on the second subcarrier of the second carrier, configuring the second sub MIMO transmission mode of the second MIMO transmission mode on the second subcarrier of the second carrier, and
  • the second subcarrier of the second carrier transmits data to the base station by using the second sub MIMO transmission mode of the second MIMO transmission mode.
  • the first carrier is configured to include multiple carriers, and the first subcarrier and the second subcarrier of the first carrier may be one or more carriers of multiple carriers included in the first carrier, that is, The first subcarrier and the second subcarrier of the first carrier may also include multiple carriers.
  • the second carrier is a plurality of carriers
  • the first subcarrier and the second subcarrier of the second carrier may be one or more carriers of the plurality of carriers included in the second carrier, that is,
  • the first subcarrier and the second subcarrier of the foregoing second carrier may also include multiple carriers.
  • the receiving, by the processor 141, the operation, by the receiving base station, to configure the first MIMO transmission mode message on the first carrier controlled by the base station includes:
  • the receiving, by the processor 141, the sending, by the base station, the message configuring the second MIMO transmission mode on the second carrier controlled by the base station includes:
  • the user terminal receives the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station, and the second MIMO transmission mode matches the number of the first transmit antenna ports configured for the first carrier.
  • the foregoing first MIMO transmission mode matches the number of first transmit antenna ports configured for the first carrier
  • the second MIMO transmission mode matches the number of second transmit antenna ports configured for the second carrier. It was verified by the inventors through a large amount of experimental data. This matching pair can improve the efficiency of transmitting data.
  • the operation of the receiving, sending, by the processor 141, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station includes:
  • the receiving, by the processor 141, the sending, by the base station, the message that the second MIMO transmission mode is configured on the second carrier controlled by the base station includes:
  • the single-antenna transmit MIMO transmission mode is matched with the number of transmit antenna ports; or the beamforming MIMO transmission mode matches the number of transmit antenna ports; the open-loop MIMO transmission mode and the number of transmit antenna ports are two-phase matched; The MIMO transmission mode is matched with the number of transmit antenna ports by four.
  • the inventors have verified through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • the processor 141 may be further configured to: receive the information sent by the base station And an indication message indicating that the first carrier is used by the user terminal;
  • the operation of the receiving, by the receiving eNB, the message that the first MIMO transmission mode is configured on the first carrier controlled by the base station may be:
  • the processor 141 performs the operation of configuring the first MIMO transmission mode on the first carrier when the user terminal needs to configure the MIMO transmission mode on the first carrier, where the operation may include:
  • the processor 141 may be further configured to perform the following operations:
  • the operation performed by the processor 141 to receive the message that is configured by the foregoing base station to configure the second MIMO transmission mode on the second carrier controlled by the base station may include:
  • the performing, by the processor 141, when the user terminal needs to configure the MIMO transmission mode on the second carrier, the performing the foregoing second MIMO transmission mode on the second carrier may include: when the user terminal needs to be in the second carrier When the MIMO transmission mode is configured, the spatial multiplexing MIMO transmission mode is configured on the second carrier.
  • FIG. 25 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention. As shown in FIG. 25, the method includes: a base station 151 and a user terminal 152, where:
  • the base station 151 may include the base station of any of the embodiments shown in Figures 21-22.
  • the user terminal 152 may include a user terminal in any of the embodiments shown in Figures 23-24.
  • the base station sends, to the user terminal, a message that the first multiple input multiple output MIMO transmission mode is configured on the first carrier controlled by the base station, so that the user terminal needs to configure the MIMO transmission mode on the first carrier.
  • the MIMO transmission mode is configured on the carrier
  • the second MIMO transmission mode is configured on the second carrier; the second MIMO transmission mode is different from the first MIMO mode.
  • FIG. 26 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 26, the method includes: a processor 161, a communication interface 162, and a memory 163:
  • a communication interface 162 configured to send a message to the user terminal
  • a set of program codes is stored in the memory 163, and the processor 161 is configured to call the program code stored in the memory 163 for performing the following operations:
  • Configuring a transmit antenna with different port numbers for the first carrier and the second carrier controlled by the base station transmitting transmit antenna information configured by using the first carrier and the second carrier to the user terminal; and setting a preset transmit antenna and a MIMO transmission mode
  • the mapping relationship information is sent to the user terminal; when the user terminal needs to configure the MIMO transmission mode on the first carrier, the user terminal is selected from the mapping relationship information according to the transmit antenna information configured by the first carrier.
  • the transmit antenna configured according to the first carrier may be used in the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2, and carrier 3.
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the base station configures a transmit antenna with a different number of ports for the first carrier and the second carrier controlled by the base station; the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal;
  • the mapping relationship between the set transmit antenna and the MIMO transmission mode is sent to the user terminal, and after the user terminal receives the transmit antenna information and the mapping relationship information message, when the user needs to configure the MIMO transmission mode on the first carrier,
  • the transmitting antenna according to the first carrier configuration finds a MIMO transmission mode matched with the transmitting antenna of the first carrier configuration from the mapping relationship information, and configures the selected MIMO transmission mode on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • FIG. 27 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 27, the method includes: a processor 171, a communication interface 172, and a memory 173:
  • a communication interface 172 configured to send a message to the user terminal
  • a set of program codes is stored in the memory 173, and the processor 171 is configured to call the program code stored in the memory 173 for performing the following operations:
  • the user terminal When the user terminal needs to be in the second carrier, select, according to the transmit antenna information of the second carrier configuration, a MIMO transmission mode that matches the second carrier from the mapping relationship information, and on the second carrier.
  • the selected MIMO transmission mode matched with the second carrier is configured.
  • the processor 171 may configure the transmit antenna according to the first carrier from the foregoing.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found in the mapping relationship information, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • mapping relationship may include:
  • the single-port transmit antenna matches the single-antenna transmit MIMO transmission mode; or the single-port transmit antenna matches the beam U-shaped MIMO transmission mode; and/or
  • the two-port transmit antenna matches the open-loop MIMO transmission mode; and/or
  • the four-port transmit antenna matches the closed-loop MIMO transmission mode.
  • mapping relationship is obtained by the inventors through a large amount of experimental data verification. These matching pairs can improve the efficiency of transmitting data.
  • the first carrier may be multiple carriers, and the second carrier may be multiple carriers, where the second carrier may be part of all carriers under the control of the base station except the first carrier. Or all carriers.
  • the carrier under the control of the base station includes carrier 1, carrier 2 and carrier 3,
  • the first carrier may be carrier 1, and the second carrier may be carrier 2 and carrier 3.
  • the user terminal receives the transmit antenna information and the mapping relationship information sent by the base station, and when the user needs to configure the MIMO transmission mode in the first carrier, the transmit antenna configured according to the first carrier may be from the mapping relationship information.
  • a MIMO transmission mode matching the transmit antenna of the first carrier configuration is found, and the selected MIMO transmission mode is configured on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • the matching relationship between the transmitting antenna and the MIMO transmission mode is verified by the inventors through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • the user terminal configures MIMO transmission matching the transmit antenna of the carrier configuration on the above carrier, network performance can be improved.
  • FIG. 28 is a schematic structural diagram of another data transmission system according to an embodiment of the present invention. As shown in FIG. 28, the method includes: a base station 181 and a user terminal 182.
  • the base station 181 may include the base station of any of the embodiments shown in FIG.
  • the user terminal 182 may include the user terminal of any of the embodiments shown in FIG.
  • the base station configures a transmit antenna with a different number of ports for the first carrier and the second carrier controlled by the base station; the base station sends the transmit antenna information configured by using the first carrier and the second carrier to the user terminal;
  • the mapping relationship between the set transmit antenna and the MIMO transmission mode is sent to the user terminal, and after the user terminal receives the transmit antenna information and the mapping relationship information message, when the user needs to configure the MIMO transmission mode on the first carrier,
  • the transmitting antenna according to the first carrier configuration finds a MIMO transmission mode matched with the transmitting antenna of the first carrier configuration from the mapping relationship information, and configures the selected MIMO transmission mode on the first carrier.
  • a MIMO transmission mode matching the transmit antenna of the second carrier configuration is configured on the second carrier.
  • the matching relationship between the transmitting antenna and the MIMO transmission mode is verified by the inventors through a large amount of experimental data. These matching pairs can improve the efficiency of transmitting data.
  • the user terminal configures MIMO transmission matching the transmit antenna of the carrier configuration on the above carrier, network performance can be improved.
  • the storage medium may be a magnetic disk, an optical disk, or a read-only memory (Read-Only Memory, ROM) or Random Access Memory (RAM).

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Abstract

La présente invention concerne un procédé destiné à un mode de transmission MIMO sous multiples porteuses, qui comprend les étapes suivantes : une station de base envoie à un terminal utilisateur un message de configuration d'un premier mode de transmission MIMO sur une première porteuse commandée par la station de base; la station de base envoie au terminal utilisateur un message de configuration d'un second mode de transmissions MIMO sur une seconde porteuse, commandée par la station de base, le second mode de transmission MIMO étant différent du premier; la station de base reçoit les premières données transmises sur la première porteuse par le terminal utilisateur et précode les premières données par l'adoption d'une première manière de traiter le précodage; et la station de base reçoit des secondes données transmises sur la seconde porteuse par le terminal utilisateur et précode les secondes données par l'adoption d'une seconde manière de traiter le précodage. L'invention concerne, de façon correspondante, un dispositif et un système associés. Selon les modes de réalisation de la présente invention, il est possible de réduire les interférences survenant lorsqu'un utilisateur utilise un mode de transmission MIMO pour transmettre des données, ce qui améliore les performances d'un réseau.
PCT/CN2012/085751 2012-12-03 2012-12-03 Procédé et dispositif de transmission de données WO2014085963A1 (fr)

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