WO2017210903A1 - 一种参考信号的传输方法及相关设备、系统 - Google Patents

一种参考信号的传输方法及相关设备、系统 Download PDF

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Publication number
WO2017210903A1
WO2017210903A1 PCT/CN2016/085327 CN2016085327W WO2017210903A1 WO 2017210903 A1 WO2017210903 A1 WO 2017210903A1 CN 2016085327 W CN2016085327 W CN 2016085327W WO 2017210903 A1 WO2017210903 A1 WO 2017210903A1
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Prior art keywords
base station
reference signal
scheduling information
subframe
information
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PCT/CN2016/085327
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English (en)
French (fr)
Inventor
张莉莉
斯特林-加拉赫·理查德
孙晓东
刘斌
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华为技术有限公司
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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 JP2018564278A priority Critical patent/JP6930713B2/ja
Priority to KR1020197000452A priority patent/KR102205089B1/ko
Priority to PCT/CN2016/085327 priority patent/WO2017210903A1/zh
Priority to CN201680086574.2A priority patent/CN109314955B/zh
Priority to EP16904356.9A priority patent/EP3457774B1/en
Priority to US16/308,327 priority patent/US10785009B2/en
Publication of WO2017210903A1 publication Critical patent/WO2017210903A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0073Allocation arrangements that take into account other cell interferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0226Channel estimation using sounding signals sounding signals per se
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078Timing of allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/0055ZCZ [zero correlation zone]
    • H04J13/0059CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062Zadoff-Chu
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607Cyclic extensions

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting a reference signal, and related devices and systems.
  • LTE Long Term Evolution
  • 3GPP 3rd Generation Partnership Project
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • Duplex two ways.
  • a User Equipment (UE) transmits and receives signals on two symmetric spectrum resources. This method is applicable to voice service communication.
  • the FDD method may not meet the demand.
  • UEs transmit and receive signals in different time slots on the same spectrum resource.
  • the uplink and downlink time slot ratio can be adjusted according to the traffic variation of the network, but the uplink and downlink handover between the base station and the UE is required to ensure strict time synchronization, because the demand for uplink and downlink traffic is not only time-varying, but also Depending on the region, the TDD approach will not be able to meet the changing wireless network needs.
  • the 3GPP introduces a flexible duplex technology. In the case that the downlink traffic is more than the uplink traffic, the uplink frequency band can be converted into the downlink frequency band to better adapt to the change of the uplink and downlink traffic.
  • the uplink demodulation reference signal In the existing LTE system, in order to avoid inter-cell interference, for the design of the uplink demodulation reference signal (DMRS), all DMRS locations in the system are the same, and the fourth in each time slot. Symbols, so that inter-cell users can reduce interference by configuring different hopping patterns and sequence shifts. For the design of the downlink reference signal, following the principle of uniform distribution, the inter-cell users can be shifted according to the physical layer cell identifier to reduce interference.
  • the LTE system uses the flexible duplex mode for transmission, since the transmission of the neighboring cell is different (for example, the cell 1 is the uplink transmission and the cell 2 is the downlink transmission), if the design method of the reference signal is still used, the cell will be caused. The uplink and downlink reference signals are severely interfered. So how to transfer the reference Signals to reduce the interference of reference signals between adjacent cells in a flexible duplex system are currently an urgent problem to be solved.
  • the embodiment of the invention discloses a method for transmitting a reference signal and a related device and system for solving the problem of how to transmit a reference signal to reduce interference of reference signals between adjacent cells in a flexible duplex system.
  • a first aspect of the embodiments of the present invention discloses a method for transmitting a reference signal, including:
  • the target frequency band is a frequency band configurable in an uplink and downlink transmission direction, and the first base station and the adjacent second base station are in the at least one target subframe
  • the uplink and downlink time slot configuration and/or transmission direction are different;
  • the first base station sends a first reference signal to the first user equipment UE on the at least one target subframe, where the first UE is a UE under the first base station.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the method before the first base station sends the first reference signal to the first user equipment UE in the at least one target subframe, the method further includes:
  • the first base station receives the second reference signal sent by the second base station, and configures the first reference signal according to the second reference signal;
  • the first base station receives the configuration information of the second reference signal that is sent by the second base station, and configures the first reference signal according to the configuration information of the second reference signal;
  • the second reference signal is a reference signal configured by the second base station for the UE under the second base station on the at least one target subframe.
  • the configuration information of the second reference signal includes a sequence length of the second reference signal, a cyclic shift, a format of downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code. At least one of the information.
  • the first reference signal is configured to be orthogonal to the second reference signal.
  • the second reference signal includes at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the method further includes:
  • the first base station sends configuration information of the first reference signal to the second base station, so that the second base station updates the second reference signal according to configuration information of the first reference signal.
  • the configuration information of the first reference signal includes a sequence length of the first reference signal, a cyclic shift, a format of downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code. At least one of the information.
  • the method further includes:
  • the first base station Determining, by the first base station, a measurement subframe from the at least one target subframe, where the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE, where the second UE is a UE under the second base station and causing interference to the first UE.
  • the method further includes:
  • the first base station receives first scheduling information that is sent by the second base station for the second UE.
  • the method further includes:
  • the first base station sends target configuration information to the first UE, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information, so that the first UE is in the measurement
  • the measurement of the first signal transmitted by the second UE is performed on the subframe.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the method further includes:
  • the first base station receives interference measurement information sent by the first UE.
  • the method further includes:
  • the second scheduling information Determining, by the first base station, the second scheduling information according to the interference measurement information and/or the first scheduling information, and sending the second scheduling information to the first UE, so that the first UE And canceling or suppressing signal interference from the second UE according to the second scheduling information.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • the interference measurement information is an interference matrix.
  • the target configuration information is sent by using a signaling, where the signaling includes a wireless resource.
  • the signaling includes a wireless resource.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the determining, by the first base station, the measurement subframe from the at least one target subframe includes:
  • the first base station receives the measurement subframe sent by the second base station.
  • the method further includes:
  • the first base station acquires an interference cancellation capability of the first UE.
  • the determining, by the first base station, the second scheduling information, according to the interference measurement information and/or the first scheduling information includes:
  • the first base station determines second scheduling information according to at least one of the interference measurement information, the first scheduling information, and the interference cancellation capability of the first UE.
  • a second aspect of the embodiments of the present invention discloses a method for transmitting a reference signal, including:
  • the first user equipment UE acquires at least one target subframe on the target frequency band, where the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the first base station and the adjacent second base station are in the at least one target subframe
  • the uplink and downlink timeslot configuration and/or the transmission direction are different, and the first base station is a base station to which the first UE belongs;
  • the first UE receives the first reference signal sent by the first base station on the at least one target subframe.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the method further includes:
  • the first UE receives the target configuration information that is sent by the first base station, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, where the measurement subframe is the a subframe for performing interference measurement between a UE and the second UE, where the second UE is under the second base station.
  • the UE that generates interference to the first UE, the first scheduling information is sent by the second base station to the first base station.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the method further includes:
  • the first UE performs measurement of the first signal transmitted by the second UE on the measurement subframe to obtain a measurement result.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the method further includes:
  • the first UE determines interference measurement information according to the measurement result.
  • the method further includes:
  • the first UE directly sends the measurement result to the first base station.
  • the method further includes:
  • the first UE sends the interference measurement information to the first base station.
  • the interference measurement information is an interference matrix.
  • the method further includes:
  • the first UE receives second scheduling information that is determined by the first base station according to the interference measurement information and/or the first scheduling information.
  • the method further includes:
  • the first UE cancels or suppresses signal interference from the second UE according to the second scheduling information.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • the method further includes:
  • the first UE sends an interference cancellation capability of the first UE to the first base station.
  • the first UE receives the second scheduling information that is determined by the first base station according to the interference measurement information and/or the first scheduling information, and includes:
  • the first scheduling signal Second scheduling information determined by at least one of an interference cancellation capability of the first UE.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • a third aspect of the embodiments of the present invention discloses a method for transmitting a reference signal, including:
  • the second base station Determining, by the second base station, at least one target subframe on the target frequency band, wherein the target frequency band is a frequency band configurable in an uplink and downlink transmission direction, and the second base station and the adjacent first base station are in the at least one target subframe
  • the uplink and downlink time slot configuration and/or transmission direction are different;
  • the second base station receives the first reference signal sent by the first base station, where the first reference signal is configured by the first base station on the at least one target subframe for the UE under the first base station.
  • the second base station configures a second reference signal of the second base station according to the first reference signal.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the second reference signal includes at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the second reference signal is configured to be orthogonal to the first reference signal.
  • the method further includes:
  • the configuration information of the second reference signal includes a sequence length of the second reference signal, a cyclic shift, a format of downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code. At least one of the information.
  • the method further includes:
  • the second base station determines a measurement subframe from the at least one target subframe, where the measurement subframe is a subframe for performing interference measurement between the first user equipment UE and the second UE, where the first UE is a UE under the first base station, where the second UE is a UE under the second base station and causing interference to the first UE.
  • the method further includes:
  • the second base station sends target configuration information to the second UE, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, so that the second
  • the UE transmits a first signal on the measurement subframe, the first signal being used to cause the first UE to measure interference with the second UE.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the determining, by the second base station, the measurement subframe from the at least one target subframe includes:
  • the second base station receives the measurement subframe sent by the first base station.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the method further includes:
  • the second base station sends the first scheduling information to the first base station, so that the first base station determines second scheduling information for the first UE according to the first scheduling information, where the The second scheduling information is used to cause the first UE to cancel or suppress signal interference from the second UE.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • a fourth aspect of the embodiments of the present invention discloses a method for transmitting a reference signal, including:
  • the second user equipment UE receives the target configuration information that is sent by the second base station, where the target configuration information is used to indicate the first scheduling information of the measurement subframe and/or the second UE, where the measurement subframe is the first a subframe for performing interference measurement between the UE and the second UE, where the second base station is a base station to which the second UE belongs, and the first UE is a first base station adjacent to the second base station And said Two UE interference UEs.
  • the method further includes:
  • the second UE sends a first signal on the measurement subframe according to the first scheduling information, where the first signal is used to enable the first UE to measure interference with the second UE.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a demodulation reference signal DMRS, a demodulation reference signal SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • a fifth aspect of the embodiment of the present invention discloses a base station, including:
  • a determining unit configured to determine at least one target subframe on a target frequency band, where the target frequency band is a frequency band in which an uplink and downlink transmission direction is configurable, and the base station and the adjacent second base station are in the at least one target subframe
  • the uplink and downlink time slot configuration and/or transmission direction are different;
  • a sending unit configured to send, by the first user equipment UE, a first reference signal, where the first UE is a UE under the base station, on the at least one target subframe.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the base station further includes:
  • a receiving unit configured to receive, after the sending unit sends the first reference signal to the first user equipment UE on the at least one target subframe, the second reference signal sent by the second base station, according to the a second reference signal, configured with a first reference signal; or, receiving configuration information of the second reference signal sent by the second base station, and configuring the first reference signal according to configuration information of the second reference signal;
  • the second reference signal is a reference signal configured by the second base station for the UE under the second base station on the at least one target subframe.
  • the configuration information of the second reference signal includes a sequence length of the second reference signal, a cyclic shift, a format of a downlink control information DCI, a cell identifier, and a Zadoff-Chu sequence. At least one of an initial value and an orthogonal code.
  • the first reference signal is configured to be orthogonal to the second reference signal.
  • the second reference signal includes at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the method is characterized in that
  • the sending unit is further configured to send the first reference signal to the second base station, so that the second base station updates the second reference signal according to the first reference signal; or
  • the configuration information of the first reference signal is sent to the second base station, so that the second base station updates the second reference signal according to the configuration information of the first reference signal.
  • the configuration information of the first reference signal includes a sequence length of the first reference signal, a cyclic shift, a format of downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code. At least one of the information.
  • the determining unit is further configured to determine, from the at least one target subframe, a measurement subframe, where the measurement subframe is used for performing interference measurement between the first UE and the second UE. a subframe, where the second UE is a UE under the second base station and generating interference to the first UE.
  • the receiving unit is further configured to receive first scheduling information that is sent by the second base station for the second UE.
  • the sending unit is further configured to send target configuration information to the first UE, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information, so that The first UE performs measurement of the first signal transmitted by the second UE on the measurement subframe.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the receiving unit is further configured to receive interference measurement information sent by the first UE.
  • the determining unit is further configured to determine second scheduling information according to the interference measurement information and/or the first scheduling information, and send the second scheduling information to the first And the UE, so that the first UE cancels or suppresses signal interference from the second UE according to the second scheduling information.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • the interference measurement information is an interference matrix.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the determining, by the determining unit, the measurement subframe from the at least one target subframe is specifically:
  • the determining unit determines a measurement subframe from the at least one target subframe by negotiating with the second base station;
  • the determining unit receives the measurement subframe sent by the second base station.
  • the base station further includes:
  • An obtaining unit configured to acquire an interference cancellation capability of the first UE.
  • the determining, by the determining unit, the second scheduling information according to the interference measurement information and/or the first scheduling information is specifically:
  • the determining unit determines the second scheduling information according to at least one of the interference measurement information, the first scheduling information, and the interference cancellation capability of the first UE.
  • a sixth aspect of the embodiment of the present invention discloses a user equipment UE, including:
  • an acquiring unit configured to acquire at least one target subframe on the target frequency band, where the target frequency band is a frequency band that can be configured in an uplink and downlink transmission direction, and the first base station and the adjacent second base station are in the at least one target subframe
  • the uplink and downlink timeslot configuration and/or the transmission direction are different, and the first base station is a base station to which the UE belongs;
  • a receiving unit configured to receive, by the at least one target subframe, a first reference signal sent by the first base station.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the receiving unit is further configured to receive a target configuration sent by the first base station And the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, where the measurement subframe is a subframe for performing interference measurement between the UE and the second UE.
  • the second UE is a UE that is under the second base station and generates interference to the UE, and the first scheduling information is sent by the second base station to the first base station.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the UE further includes:
  • a measuring unit configured to perform measurement of the first signal transmitted by the second UE on the measurement subframe to obtain a measurement result.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the UE further includes:
  • a sending unit configured to directly send the measurement result to the first base station.
  • the UE further includes:
  • a determining unit configured to determine interference measurement information according to the measurement result.
  • the sending unit is further configured to send the interference measurement information to the first base station.
  • the interference measurement information is an interference matrix.
  • the receiving unit is further configured to receive second scheduling information that is determined by the first base station according to the interference measurement information or measurement result, and/or the first scheduling information.
  • the UE further includes:
  • an interference suppression unit configured to cancel or suppress signal interference from the second UE according to the second scheduling information.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • the sending unit is further configured to send the interference cancellation capability of the UE to the first base station.
  • the manner in which the receiving unit receives the second scheduling information that is determined by the first base station according to the interference measurement information or the measurement result, and/or the first scheduling information is specifically:
  • the receiving unit receives second scheduling information that is determined by the first base station according to at least one of the interference measurement information or the measurement result, the first scheduling information, and the interference cancellation capability of the first UE.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • a seventh aspect of the embodiment of the present invention discloses a base station, including:
  • a determining unit configured to determine at least one target subframe on the target frequency band, where the target frequency band is a frequency band in which an uplink and downlink transmission direction is configurable, and the base station and the adjacent first base station are in the at least one target subframe
  • the uplink and downlink time slot configuration and/or transmission direction are different;
  • a receiving unit configured to receive a first reference signal sent by the first base station, where the first reference signal is configured by the first base station on the at least one target subframe for a UE under the first base station Reference signal
  • a configuration unit configured to configure a second reference signal of the base station according to the first reference signal.
  • the first reference signal includes at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the second reference signal includes at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the second reference signal is configured to be orthogonal to the first reference signal.
  • the base station further includes:
  • a sending unit configured to send the second reference signal to the first base station, so that the first base station updates the first reference signal according to the second reference signal; or, the second reference
  • the configuration information of the signal is sent to the first base station, so that the first base station updates the first reference signal according to the configuration information of the second reference signal.
  • the configuration information of the second reference signal includes a sequence length of the second reference signal, a cyclic shift, a format of downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code. At least one of the information.
  • the determining unit is further configured to determine, from the at least one target subframe, a measurement subframe, where the measurement subframe is used for performing interference measurement between the first user equipment UE and the second UE.
  • a subframe the first UE is a UE under the first base station, and the second UE is under the base station and The first UE generates an interfering UE.
  • the sending unit is further configured to send target configuration information to the second UE, where the target configuration information is used to indicate the measurement subframe and/or the first for the second UE. And scheduling information, so that the second UE sends a first signal on the measurement subframe, where the first signal is used to cause the first UE to measure interference with the second UE.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the determining, by the determining unit, the measurement subframe from the at least one target subframe is specifically:
  • the determining unit determines a measurement subframe from the at least one target subframe by negotiating with the first base station;
  • the determining unit receives the measurement subframe sent by the first base station.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the sending unit is further configured to send the first scheduling information to the first base station, so that the first base station determines, according to the first scheduling information, that the first UE is used according to the first scheduling information.
  • Second scheduling information the second scheduling information is used to enable the first UE to cancel or suppress signal interference from the second UE.
  • the second scheduling information is downlink scheduling information or second scheduled scheduling information.
  • An eighth aspect of the embodiment of the present invention discloses a user equipment UE, including:
  • a receiving unit configured to receive target configuration information that is sent by the second base station, where the target configuration information is used to indicate measurement subframes and/or first scheduling information of the UE, where the measurement subframe is a first UE and a subframe in which interference measurement is performed between the UEs, where the second base station is a base station to which the UE belongs, and the first UE is under the first base station adjacent to the second base station and is used by the UE Interfering UE.
  • the UE further includes:
  • a sending unit configured to send, according to the first scheduling information, a first signal on the measurement subframe, where the first signal is used to cause the first UE to measure interference with the UE.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first signal includes at least one of a demodulation reference signal DMRS, a demodulation reference signal SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the first scheduling information includes at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the target configuration information is sent by using a signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • a ninth aspect of the embodiments of the present invention discloses a base station, including a processor, an input device, an output device, and a memory, where the memory is used to store programs and data, and the processor is configured to invoke a program stored in the memory. The method of any of the first aspects of the embodiments of the invention is performed.
  • a tenth aspect of the embodiments of the present invention discloses a user equipment UE, including a processor, an input device, an output device, and a memory, where the memory is used to store programs and data, and the processor is configured to invoke the memory storage.
  • An eleventh embodiment of the present invention discloses a base station, including a processor, an input device, an output device, and a memory, wherein the memory is used to store programs and data, and the processor is configured to invoke the program stored in the memory. The method of any of the third aspects of the embodiments of the present invention is performed.
  • a twelfth aspect of the embodiments of the present invention discloses a user equipment UE, including a processor, an input device, an output device, and a memory.
  • the memory is used to store programs and data, and the processor is configured to invoke the memory storage.
  • the program of any one of the fourth aspects of the embodiments of the present invention.
  • a thirteenth aspect of the embodiment of the present invention discloses a transmission system of a reference signal, which includes the base station according to any one of the fifth aspects of the present invention, and the sixth aspect of the embodiment of the present invention.
  • the first base station may determine to the target frequency band to One less target sub-frame, the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the uplink and downlink time slot configurations and/or transmission directions of the first base station and the adjacent second base station on the at least one target subframe are different.
  • the first base station may send the first reference signal to the first UE under the first base station on the at least one target subframe.
  • the base station can perform reference signal transmission on the flexible frequency band, thereby effectively reducing interference of reference signals between adjacent cells in the flexible duplex system.
  • FIG. 1 is a schematic diagram of an application scenario of reference signal transmission according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for transmitting a reference signal according to an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of another method for transmitting a reference signal according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart diagram of another method for transmitting a reference signal according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart diagram of still another method for transmitting a reference signal according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another UE 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 still another base station according to an embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of still another UE according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a reference signal transmission system according to an embodiment of the present invention.
  • the embodiment of the invention discloses a method for transmitting a reference signal and a related device and system for solving the problem of how to transmit a reference signal to reduce interference of reference signals between adjacent cells in a flexible duplex system. The details are described below separately.
  • FIG. 1 is a schematic diagram of an application scenario of reference signal transmission according to an embodiment of the present invention.
  • at least two base stations such as a first base station and a second base station
  • at least two UEs such as UE1, UE2, UE3, and UE4 may be included.
  • the at least two base stations are the base stations to which the small cell belongs, that is, one small cell corresponds to one base station, and the base stations are two adjacent base stations, that is, the first base station is adjacent to the second base station;
  • the UE may include Mobile phones, PDAs, tablets, personal digital assistants (PDAs), mobile Internet devices (MIDs), wearable devices (such as smart watches, smart bracelets, etc.), etc.
  • the embodiment of the invention is not limited.
  • the UE1 and the UE2 are the UEs in the first base station, and are the edge UEs of the first base station (ie, the edge areas located in the coverage of the first base station), and the UE3 and the UE4 are the UEs under the second base station, and are the edges of the second base station.
  • UE ie, an edge region located in the coverage of the second base station).
  • the first base station may perform reference signal transmission with UE1 and UE2, respectively, and the second base station may perform reference signal transmission with UE3 and UE4, respectively.
  • the second base station and the UE to which it belongs are also transmitting the uplink reference signal, when the first base station and the UE to which it belongs are performing.
  • the downlink reference signal is transmitted, the second base station and the UE to which it belongs are also transmitting the downlink reference signal, which may cause interference of reference signals between adjacent cells.
  • a flexible duplex technology is introduced, which can utilize flexible frequencies.
  • the uplink and downlink transmission bands can be configured to be configured as the downlink frequency band to meet the downlink transmission requirements, for example, when the downlink service is more than the uplink service.
  • the second base station is configured to perform downlink reference signal transmission with the UE3 or the UE4, and the first base station and the UE1 or the UE2 are performing downlink reference signal transmission.
  • the second base station is configured to perform uplink reference signal transmission with the UE3 or the UE4, thereby implementing interference coordination, and reducing interference of reference signals between adjacent cells as much as possible, and is particularly applicable to a scenario in which a small cell is densely networked.
  • FIG. 2 is a schematic flowchart diagram of a method for transmitting a reference signal according to an embodiment of the present invention.
  • the method for transmitting the reference signal is described from the perspective of the first base station, and the method for transmitting the reference signal can be applied to a flexible duplex system.
  • the method for transmitting the reference signal may include:
  • the first base station determines at least one target subframe on the target frequency band.
  • the target frequency band is a frequency band that can be configured in the uplink and downlink transmission direction, that is, the uplink and downlink transmission directions can be converted according to service requirements.
  • the uplink frequency band can be converted into the downlink frequency band, or
  • the target frequency band can be converted into the uplink frequency band. Therefore, the target frequency band can be referred to as a flexible frequency band, and the target frequency band can be a certain frequency band or a partial frequency band on a certain carrier.
  • At least one target subframe is determined from the target frequency band, and the uplink and downlink timeslot configurations and/or transmission directions of the first base station and the adjacent second base station on the at least one target subframe are different, that is, The uplink and downlink timeslot configurations of the first base station and the second base station are different in a target subframe, for example, the uplink and downlink time slots of the first base station are configured to be 0, and the uplink and downlink time slots of the second base station are configured to be 1; and/or The transmission direction of the first base station and the second base station in a target subframe is different.
  • the second base station when the first base station performs downlink transmission, the second base station performs uplink transmission, or when the first base station performs uplink transmission, the second base station performs uplink transmission.
  • the at least one target subframe may be the entire target frequency band or a partial subframe on the target frequency band.
  • the first base station sends a first reference signal to the first user equipment UE on the at least one target subframe.
  • the first UE is a UE under the first base station, and may be an edge UE under the first base station (ie, a UE located in an edge area of the coverage area of the first base station).
  • the first reference signal may include but not It is limited to at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, a predetermined sequence, and a first predetermined reference signal.
  • the first base station may send the first reference signal to the first UE on the at least one target subframe, so that the neighboring cell can maximize the transmission of the reference signal. Reduce the interference between each other and improve the accuracy of reference signal transmission.
  • the first base station may determine the first UE, that is, determine the edge UE, and the specific implementation process may be: the first base station Determining the first according to at least one of the RSRP (Reference Signal Receiving Power) parameter, the RSSI (Received Signal Strength Indication) parameter, and the RSRQ (Reference Signaling Quality) parameter One UE.
  • RSRP Reference Signal Receiving Power
  • RSSI Receiveived Signal Strength Indication
  • RSRQ Reference Signaling Quality
  • the method described in FIG. 2 may further include the following steps:
  • the first base station receives the second reference signal sent by the second base station, and configures the first reference signal according to the second reference signal;
  • the first base station receives configuration information of the second reference signal sent by the second base station, and configures the first reference signal according to the configuration information of the second reference signal.
  • the second base station may send configuration information of the second reference signal or the second reference signal to the first base station by using an X2 interface or in a broadcast manner.
  • the second reference signal is a reference signal configured by the second base station for the UE under the second base station on the at least one target subframe, and may include, but is not limited to, an uplink DMRS, an uplink SRS, a predetermined sequence, and a second predetermined reference signal. At least one.
  • the configuration information of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of Downlink Control Information (DCI), a cell identifier (identity of a cell corresponding to the second base station), At least one of Zadoff-Chu sequence initial value and orthogonal code or the like.
  • DCI Downlink Control Information
  • cell identifier identity of a cell corresponding to the second base station
  • the specific implementation manner of configuring the first reference signal according to the configuration information of the second reference signal or the second reference signal is to configure the first reference signal to be orthogonal to the second reference signal, thereby avoiding reference Signal interference.
  • the method described in FIG. 2 may further include the following steps:
  • the first base station sends the first reference signal to the second base station, so that the second base station updates the second reference signal according to the first reference signal;
  • the first base station sends the configuration information of the first reference signal to the second base station, so that the second base station updates the second reference signal according to the configuration information of the first reference signal.
  • the configuration information of the first reference signal or the first reference signal may be used to update the second reference signal, so that the reference signal is more perfect.
  • the first base station may send configuration information of the first reference signal or the first reference signal to the second base station through the X2 interface.
  • the configuration information of the first reference signal may include, but is not limited to, a sequence length of the first reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier (identity of the cell corresponding to the first base station), and Zadoff-Chu At least one of sequence initial value and orthogonal code or the like.
  • the method described in FIG. 2 further includes the following steps:
  • the first base station determines a measurement subframe from the at least one target subframe.
  • the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE
  • the second UE is a UE under the second base station and causing interference to the first UE.
  • the second UE may be an edge UE under the second base station, and interference between the first UE and the second UE may be measured on the measurement subframe.
  • the step 24) that the first base station determines the measurement subframe from the at least one target subframe may include the following steps:
  • the first base station determines a measurement subframe from the at least one target subframe by using Operation Administration and Maintenance (OAM); or
  • the first base station determines a measurement subframe from the at least one target subframe by negotiating with the second base station;
  • the first base station receives the measurement subframe transmitted by the second base station, that is, the measurement subframe is determined by the second base station.
  • the method described in FIG. 2 may further include the following steps:
  • the first base station receives the first scheduling information that is sent by the second base station for the second UE.
  • the first scheduling information may be obtained by the first base station by using an X2 interface or a neighboring area broadcast, and the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, an identifier of the second UE, an identifier of a physical resource block (PRB), and a transmission power.
  • PRB physical resource block
  • the method described in FIG. 2 may further include the following steps:
  • the first base station sends target configuration information to the first UE, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information, so that the first UE performs the second UE transmission on the measurement subframe.
  • a measurement of a signal to obtain a measurement result, and the interference measurement information is determined based on the measurement result.
  • the first signal transmitted by the second UE may be regarded as an interference signal of the first UE, that is, interference may be caused to the first UE.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the interference measurement information may be an interference matrix. As shown in FIG. 1 , the interference matrix generated by UE1 and UE3 and UE4 is [H 31 , H 41 ], and the interference matrix generated by UE2 and UE3 and UE4 is [H 32 , H 42 ].
  • the first base station may send the target configuration information to the first UE by using the signaling, where the signaling may include, but is not limited to, including Radio Resource Control (RRC) signaling, and media access control. , MAC) signaling, and physical layer signaling, etc.
  • RRC Radio Resource Control
  • MAC Medium Access Control
  • the method described in FIG. 2 may further include the following steps:
  • the first base station receives the interference measurement information sent by the first UE or the measurement result.
  • the method described in FIG. 2 may further include the following steps:
  • the first base station determines the second scheduling information according to the interference measurement information or the measurement result, and/or the first scheduling information, and sends the second scheduling information to the first UE, so that the first UE is configured according to the second
  • the scheduling information cancels or suppresses signal interference from the second UE.
  • the second scheduling information may be downlink scheduling information or second scheduled scheduling information.
  • the method described in FIG. 2 may further include the following steps:
  • the first base station acquires the interference cancellation capability of the first UE.
  • the specific implementation manner of determining the second scheduling information by the first base station according to the interference measurement information and/or the first scheduling information may be:
  • the first base station determines the second scheduling information according to at least one of the interference measurement information, the first scheduling information, and the interference cancellation capability of the first UE.
  • the cooperative scheduling and transmission mode between adjacent cells may have the following three situations: 1. Performing completely separated time-frequency resource division when the assumed DMRS interference is identified; 2. Inter-cell reference signals and data Inter-overlapping transmission, but relying on interference cancellation; 3. Inter-cell reference signal overlap The transmission, but relies on interference cancellation.
  • the method for cooperative scheduling and interference cancellation may include at least the following three methods: Method 1: The reference signal of the subframe configured with the flexible duplex configuration is not sent to avoid interference between the uplink and downlink subframes; Measure and establish an interference matrix, first delete the interference of the service signals of the neighboring cells in the flexible duplex configuration, and then perform the reference signal detection; Method 3: The small cell passes the measurement and establishes the interference matrix, and first removes the flexible duplex configuration. The interference of the reference signal caused by the neighboring cell, and then the service signal detection. Based on the foregoing coordination mode, for mode 1, the corresponding DMRS part of the neighboring base station is cleared, wherein interference cancellation is not required, and the capability of the UE receiver is not high.
  • the downlink interference of the first base station is canceled, wherein the interference based on the instantaneous measurement and the operation of the base station receiver is cancelled, and the interference of the neighboring cell data signal to the local DMRS reception is cancelled;
  • the subordinate UE deducts the UE-specific interference caused by the uplink transmission of the neighboring cell to the local cell, and based on the instantaneous measurement of the UE id, the PRB index, the transmission power, and the H matrix, finally cancels the data interference in the local DMRS reception.
  • the downlink interference of the first base station is canceled, wherein the interference based on the instantaneous measurement and the operation of the base station receiver is cancelled, and the interference of the neighboring cell data signal to the local DMRS reception is cancelled; for the first base station
  • the subordinate UE deducts the UE-specific interference caused by the uplink transmission of the neighboring cell to the local cell, and based on the instantaneous measurement of the UE id, PRB index, transmission power, and H matrix, finally cancels the reference signal interference in the local DMRS reception.
  • each reference signal and each scheduling information, interference measurement, and the like involved may be beamforming based on beamforming.
  • the base station in the method described in FIG. 2, can perform reference signal transmission on the flexible frequency band, thereby effectively reducing interference of reference signals between adjacent cells in the flexible duplex system.
  • FIG. 3 is a schematic flowchart diagram of another method for transmitting a reference signal according to an embodiment of the present invention.
  • the method for transmitting the reference signal is described from the perspective of the first UE, and the method for transmitting the reference signal can be applied to a flexible duplex system.
  • the method for transmitting the reference signal may include:
  • the first UE acquires at least one target subframe on the target frequency band.
  • the target frequency band is a frequency band that can be configured in an uplink and downlink transmission direction, that is, a flexible frequency band.
  • the target frequency band may be a certain carrier or a partial frequency band on a certain carrier.
  • the first base station is different from the adjacent second base station in the uplink and downlink time slot configuration and/or the transmission direction of the at least one target subframe, where the first base station is a base station to which the first UE belongs, and the first UE may be the first An edge UE of a base station, the first base station being adjacent to the second base station.
  • the first UE may receive the indication information sent by the first base station, where the indication information is used to indicate at least one target subframe on the target frequency band.
  • the first UE receives the first reference signal sent by the first base station on the at least one target subframe.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, a predetermined sequence, and a first predetermined reference signal.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE receives the target configuration information sent by the first base station.
  • the target configuration information may be used to indicate the measurement subframe and/or the first scheduling information for the second UE, where the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE.
  • the second UE is a UE that is under the second base station and generates interference to the first UE, and the first scheduling information is sent by the second base station to the first base station by using an X2 interface or a broadcast.
  • the first scheduling information is uplink scheduling information, first scheduled scheduling information, and the like.
  • the first scheduling information may include, but is not limited to, an identifier of the second UE, an identifier of the occupied physical resource block PRB, and at least one of the transmit power.
  • the first UE receives target configuration information that is sent by the first base station by using signaling, which may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE performs measurement of the first signal transmitted by the second UE on the measurement subframe to obtain a measurement result.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE determines interference measurement information according to the measurement result.
  • the interference measurement information may be an interference matrix, that is, expressed in the form of a matrix.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE sends the interference measurement information or the measurement result to the first base station.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE receives second scheduling information that is determined by the first base station according to the interference measurement information or measurement result, and/or the first scheduling information.
  • the first base station may determine second scheduling information for the first UE according to the interference measurement information or the measurement result, and/or the first scheduling information, where the second scheduling information may be downlink scheduling information or second predetermined scheduling information. Wait.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE cancels or suppresses signal interference from the second UE according to the second scheduling information.
  • the method described in FIG. 3 may further include the following steps:
  • the first UE sends the interference cancellation capability of the first UE to the first base station.
  • the specific implementation manner of the second scheduling information that the first UE receives, according to the interference measurement information or the measurement result, and/or the first scheduling information may be:
  • the first UE receives second scheduling information that is determined by the first base station according to at least one of the interference measurement information or the measurement result, the first scheduling information, and the interference cancellation capability of the first UE.
  • the UE can receive the reference signal transmitted by the base station on the flexible frequency band, thereby effectively reducing the interference of the reference signals between adjacent cells in the flexible duplex system.
  • FIG. 4 is a schematic flowchart diagram of another method for transmitting a reference signal according to an embodiment of the present invention.
  • the method for transmitting the reference signal is described from the perspective of the second base station, and the method for transmitting the reference signal can be applied to a flexible duplex system.
  • the method for transmitting the reference signal may include:
  • the second base station determines at least one target subframe on the target frequency band.
  • the target frequency band is a frequency band that can be configured in an uplink and downlink transmission direction, that is, a flexible frequency band.
  • the uplink and downlink timeslot configurations and/or transmission directions of the second base station and the adjacent first base station on the at least one target subframe are different.
  • the target frequency band may be a certain carrier or a partial frequency band on a certain carrier.
  • the second base station receives the first reference signal sent by the first base station.
  • the first reference signal is a reference signal that the first base station configures for the UE under the first base station on the at least one target subframe.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, a predetermined sequence, and a first predetermined reference signal.
  • the second base station may receive the first reference signal that is sent by the first base station through the X2 interface.
  • the second base station configures a second reference signal of the second base station according to the first reference signal.
  • the second reference signal may include, but is not limited to, at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • a specific implementation manner of the second base station configuring the second reference signal according to the first reference signal is to configure the second reference signal to be orthogonal to the first reference signal.
  • the method described in FIG. 4 may further include the following steps:
  • the second base station sends the second reference signal to the first base station, so that the first base station updates the first reference signal according to the second reference signal;
  • the second base station sends the configuration information of the second reference signal to the first base station, so that the first base station updates the first reference signal according to the configuration information of the second reference signal.
  • the configuration information of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code.
  • a sequence length of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code.
  • the method described in FIG. 4 may further include the following steps:
  • the second base station determines a measurement subframe from the at least one target subframe.
  • the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE, where the first UE is a UE under the first base station, and may be an edge UE under the first base station; The UE under the base station and causing interference to the first UE may be an edge UE under the second base station.
  • the specific manner that the second base station determines the second UE may be that the second base station determines the second UE according to at least one of the RSRP parameter, the RSSI parameter, and the RSRQ parameter.
  • step 42) that the second base station determines the measurement subframe from the at least one target subframe may include the following steps:
  • the second base station determines the measurement subframe from the at least one target subframe by using the operation management maintenance OAM;
  • the second base station determines a measurement subframe from the at least one target subframe by negotiating with the first base station;
  • the second base station receives the measurement subframe transmitted by the first base station.
  • the method described in FIG. 4 may further include the following steps:
  • the second base station sends the target configuration information to the second UE.
  • the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, so that the second UE sends the first signal on the measurement subframe, where the first signal is used to make the first
  • the UE measures interference with the second UE.
  • the first scheduling information may be uplink scheduling information or first predetermined scheduling information, where the first scheduling information may include, but is not limited to, at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power. .
  • the first scheduling information may be sent by the second base station to the second UE, or may be pre-configured by the second UE.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the second base station sends the target configuration information to the second UE by using signaling, which may include, but is not limited to, one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. .
  • signaling may include, but is not limited to, one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the method described in FIG. 4 may further include the following steps:
  • the second base station sends the first scheduling information to the first base station, so that the first base station determines, according to the first scheduling information, second scheduling information for the first UE, where the second scheduling information is used to enable the first UE.
  • Signal interference from the second UE is cancelled or suppressed.
  • the second scheduling information may be downlink scheduling information or second scheduled scheduling information.
  • the base station may receive the downlink reference signal configured by the neighboring base station in the flexible frequency band, and configure its own uplink reference signal according to the downlink reference signal, thereby effectively reducing flexibility. Interference of reference signals between adjacent cells in a duplex system.
  • FIG. 5 is a schematic flowchart diagram of still another method for transmitting a reference signal according to an embodiment of the present invention.
  • the method for transmitting the reference signal is described from the perspective of the second UE, where the parameter The transmission method of the test signal can be applied to a flexible duplex system.
  • the method for transmitting the reference signal may include:
  • the second user equipment UE receives the target configuration information sent by the second base station.
  • the target configuration information may be used to indicate first scheduling information of the measurement subframe and/or the second UE, where the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE.
  • the second base station is the base station to which the second UE belongs, the second UE may be the edge UE of the second base station, and the first UE is the UE under the first base station adjacent to the second base station and causing interference to the second UE,
  • a UE may be an edge UE of the first base station.
  • the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmit power.
  • the first scheduling information may be sent by the second base station to the second UE, or may be pre-configured by the second UE.
  • the second UE may receive target configuration information that is sent by the second base station by using a signaling, where the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the method described in FIG. 5 may further include the following steps:
  • the second UE sends the first signal on the measurement subframe according to the first scheduling information.
  • the first signal may be used to cause the first UE to measure interference with the second UE.
  • the first signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a demodulation reference signal SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the UE may receive configuration information sent by the base station, so that the UE may send a signal on the measurement subframe, so that the neighboring UE measures the interference of the signal, so that Effectively reduce the interference of reference signals between adjacent cells.
  • FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station is the first base station involved in the foregoing embodiment.
  • the base station may include:
  • the determining unit 601 is configured to determine at least one target subframe on the target frequency band.
  • the target frequency band is a frequency band that can be configured in an uplink and downlink transmission direction, and the uplink and downlink time slot configuration and/or transmission direction of the base station and the adjacent second base station on the at least one target subframe are different.
  • the sending unit 602 is configured to send the first reference signal to the first UE on the at least one target subframe.
  • the first UE is a UE under the base station.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station shown in FIG. 7 is further optimized based on the base station shown in FIG. 6.
  • the base station shown in FIG. 7 may further include:
  • the receiving unit 603 is configured to receive, after the sending unit 602 sends the first reference signal to the first user equipment UE on the at least one target subframe, the second reference signal sent by the second base station, and according to the second reference signal, And configuring a first reference signal; or receiving configuration information of the second reference signal sent by the second base station, and configuring the first reference signal according to the configuration information of the second reference signal.
  • the second reference signal is a reference signal configured by the second base station for the UE under the second base station on the at least one target subframe.
  • the second reference signal may include, but is not limited to, at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the configuration information of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and at least one of the orthogonal codes. .
  • the first reference signal is configured to be orthogonal to the second reference signal.
  • the sending unit 602 is further configured to send the first reference signal to the second base station, so that the second base station updates the second reference signal according to the first reference signal; or
  • the configuration information of the reference signal is sent to the second base station, so that the second base station updates the second reference signal according to the configuration information of the first reference signal.
  • the configuration information of the first reference signal may include, but is not limited to, at least a sequence length of the first reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code.
  • a kind of information may include, but is not limited to, at least a sequence length of the first reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and an orthogonal code.
  • the determining unit 601 is further configured to determine, from the at least one target subframe, a measurement subframe, where the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE, where The second UE is a UE under the second base station and causing interference to the first UE.
  • the specific implementation manner that the determining unit 601 determines the measurement subframe from the at least one target subframe may be:
  • the determining unit 601 determines the measurement subframe from the at least one target subframe by using the operation management maintenance OAM; or
  • the determining unit 601 determines a measurement subframe from the at least one target subframe by negotiating with the second base station; or
  • the determining unit 601 receives the measurement subframe transmitted by the second base station.
  • the receiving unit 603 is further configured to receive, by the second base station, first scheduling information for the second UE.
  • the sending unit 602 is further configured to send, to the first UE, target configuration information, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information, so that the first UE performs the second UE on the measurement subframe.
  • the measurement of the transmitted first signal to obtain a measurement result, and the interference measurement information is determined according to the measurement result.
  • the sending unit 602 may send target configuration information to the first UE by using signaling, where the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the signaling includes one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the first scheduling information is uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmission power.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the receiving unit 603 is further configured to receive interference measurement information or a measurement result sent by the first UE.
  • the determining unit 601 is further configured to determine second scheduling information according to the interference measurement information or the measurement result, and/or the first scheduling information, and send the second scheduling information to the first UE, so that the first UE is configured according to the first
  • the second scheduling information cancels or suppresses signal interference from the second UE.
  • the second scheduling information may be downlink scheduling information or second scheduled scheduling information.
  • the interference measurement information may be an interference matrix.
  • the base station shown in FIG. 7 may further include:
  • the obtaining unit 604 is configured to acquire an interference cancellation capability of the first UE.
  • the specific implementation manner of determining the second scheduling information by the determining unit 601 according to the interference measurement information or the measurement result, and/or the first scheduling information may be:
  • the determining unit 601 determines the second scheduling information according to at least one of the interference measurement information or the measurement result, the first scheduling information, and the interference cancellation capability of the first UE.
  • the base station can perform reference signal transmission on the flexible frequency band, thereby effectively reducing interference of reference signals between adjacent cells in the flexible duplex system.
  • FIG. 8 is a schematic structural diagram of another base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station is the first base station involved in the foregoing embodiment.
  • the base station 800 can include at least one processor 801, such as a CPU (Central Processing Unit), at least one input device 802, at least one output device 803, a memory 804, and the like. Among them, these components can be communicatively connected through one or more buses 805.
  • the structure of the base station shown in FIG. 8 does not constitute a limitation on the embodiment of the present invention. It may be a bus-shaped structure or a star-shaped structure, and may include more than the figure or Fewer parts, or a combination of some parts, or different parts. among them:
  • the input device 802 may include a wired interface, a wireless interface, and the like, and may be used to receive uplink data transmitted by the UE or receive information transmitted by the neighboring base station.
  • the output device 803 may include a wired interface, a wireless interface, etc., and may be used for downlink transmission of signals to the UE or transmission of signals to neighboring base stations.
  • the memory 804 may be a high speed RAM memory or a non-volatile memory, such as at least one disk memory.
  • the memory 804 can also optionally be at least one storage device located remotely from the aforementioned processor 801. As shown in FIG. 8, the application 804 and the like may be included in the memory 804, which is not limited in the embodiment of the present invention.
  • the processor 801 can be used to call an application stored in the memory 804 to perform the following operations:
  • the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the base station 800 and the adjacent second base station are on the at least one target subframe
  • the downlink time slot configuration and/or the transmission direction are different;
  • the trigger output device 803 sends a first reference signal to the first UE on the at least one target subframe, where the first UE is a UE under the base station 800.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the base station shown in FIG. 8 may be used to perform some or all of the processes in the method described in FIG. 2 of the embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE is the first UE involved in the foregoing embodiment.
  • the UE may include:
  • the acquiring unit 901 is configured to acquire at least one target subframe on the target frequency band, where the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the first base station and the adjacent second base station are in the at least one target subframe.
  • the uplink and downlink timeslot configuration and/or the transmission direction are different, and the first base station is a base station to which the UE belongs;
  • the receiving unit 902 is configured to receive, by using the at least one target subframe, the first reference signal sent by the first base station.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the receiving unit 902 is further configured to receive the target configuration information that is sent by the first base station, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, where the measurement subframe is a subframe for performing interference measurement between the UE and the second UE, where the second UE is a UE that is under the second base station and generates interference to the UE, and the first scheduling information is sent by the second base station to the first base station.
  • the receiving unit 902 may receive target configuration information that is sent by the first base station by using a signaling, where the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. one of them.
  • the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. one of them.
  • the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, an identifier of the second UE, an identifier of the occupied physical resource block PRB, and At least one of radio power and the like.
  • FIG. 10 is a schematic structural diagram of another UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE shown in FIG. 10 is further optimized based on the UE shown in FIG. 9.
  • the UE shown in FIG. 10 may further include:
  • the measuring unit 903 is configured to perform measurement of the first signal transmitted by the second UE on the measurement subframe to obtain a measurement result.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the UE shown in FIG. 10 may further include:
  • the determining unit 904 is configured to determine interference measurement information according to the measurement result.
  • the sending unit 905 is configured to send the interference measurement information or the measurement result to the first base station.
  • the interference measurement information may be an interference matrix.
  • the receiving unit 902 is further configured to receive second scheduling information that is determined by the first base station according to the interference measurement information or the measurement result, and/or the first scheduling information.
  • the UE shown in FIG. 10 may further include:
  • the interference suppression unit 906 is configured to cancel or suppress signal interference from the second UE according to the second scheduling information.
  • the second scheduling information may be downlink scheduling information or second scheduled scheduling information.
  • the sending unit 905 is further configured to send the interference cancellation capability of the UE to the first base station.
  • the specific implementation manner that the receiving unit 902 receives the second scheduling information that is determined by the first base station according to the interference measurement information or the measurement result, and/or the first scheduling information may be:
  • the receiving unit 905 receives second scheduling information that is determined by the first base station according to at least one of the interference measurement information or the measurement result, the first scheduling information, and the interference cancellation capability of the first UE.
  • the UE can receive the reference signal transmitted by the base station on the flexible frequency band, thereby effectively reducing the interference of the reference signals between adjacent cells in the flexible duplex system.
  • FIG. 11 is a schematic structural diagram of another UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE is the first UE involved in the foregoing embodiment.
  • the UE 1100 may include at least one processor 1101, such as a CPU, at least one input device 1102, at least one output device 1103, a memory 1104, and the like. Among them, these components can be communicatively connected through one or more buses 1105.
  • the structure of the UE shown in FIG. 11 does not constitute a limitation on the embodiment of the present invention. It may be a bus-shaped structure or a star-shaped structure, and may include more than the figure or Fewer parts, or a combination of some parts, or different parts. among them:
  • the input device 1102 may include a wired interface, a wireless interface, and the like, and may be used to receive signals sent by the base station in downlink.
  • the output device 1103 may include a wired interface, a wireless interface, etc., and may be used to uplink data to the base station and the like.
  • the memory 1104 may be a high speed RAM memory or a non-volatile memory, such as at least one disk memory.
  • the memory 1104 can also optionally be at least one storage device located remotely from the aforementioned processor 1101.
  • the operating system, the application program, the data, and the like may be included in the memory 1104 as a computer storage medium, which is not limited in the embodiment of the present invention.
  • the processor 1101 can be used to call an application stored in the memory 1104 to perform the following operations:
  • the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the uplink and downlink time slot configurations of the first base station and the adjacent second base station in the at least one target subframe And/or the transmission direction is different, the first base station is a base station to which the UE1100 belongs;
  • the trigger input device 1102 receives the first reference signal sent by the first base station on the at least one target subframe.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the UE shown in FIG. 11 may be used to perform some or all of the processes in the method described in FIG. 3 of the embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of another base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station is the second base station involved in the foregoing embodiment.
  • the base station may include:
  • the determining unit 1201 is configured to determine at least one target subframe on the target frequency band, where the target frequency band is a frequency band in which the uplink and downlink transmission directions are configurable, and the base station and the adjacent first base station are on the at least one target subframe.
  • the uplink and downlink time slot configurations and/or transmission directions are different;
  • the receiving unit 1202 is configured to receive a first reference signal that is sent by the first base station, where the first reference signal is a reference signal that is configured by the first base station on the at least one target subframe for the UE under the first base station;
  • the configuration unit 1203 is configured to configure a second reference signal of the base station according to the first reference signal.
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the second reference signal may include, but is not limited to, at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the second reference signal is configured to be orthogonal to the first reference signal.
  • FIG. 13 is a schematic structural diagram of another base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station shown in FIG. 13 is further optimized based on the base station shown in FIG. Compared with the base station shown in FIG. 12, the base station shown in FIG. 13 may further include:
  • the sending unit 1204 is configured to send the second reference signal to the first base station, so that the first base station updates the first reference signal according to the second reference signal, or sends the configuration information of the second reference signal to the first base station,
  • the first base station is configured to update the first reference signal according to the configuration information of the second reference signal.
  • the configuration information of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and at least one of the orthogonal codes.
  • a sequence length of the second reference signal may include, but is not limited to, a sequence length of the second reference signal, a cyclic shift, a format of the downlink control information DCI, a cell identifier, a Zadoff-Chu sequence initial value, and at least one of the orthogonal codes.
  • the determining unit 1201 is further configured to determine, from the at least one target subframe, a measurement subframe, where the measurement subframe is a subframe for performing interference measurement between the first UE and the second UE, where the first UE is used.
  • the UE is a UE under the first base station
  • the second UE is a UE under the base station and causing interference to the first UE.
  • the specific implementation manner that the determining unit 1201 determines the measurement subframe from the at least one target subframe may be:
  • the determining unit 1201 determines, by the operation management and maintenance OAM, from the at least one target subframe Measuring subframes; or,
  • the determining unit 1201 determines the measurement subframe from the at least one target subframe by negotiating with the first base station; or
  • the determining unit 1201 receives the measurement subframe transmitted by the first base station.
  • the sending unit 1204 is further configured to send, to the second UE, target configuration information, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information for the second UE, so that the second UE is in the measurement subframe. Transmitting a first signal, the first signal is used to cause the first UE to measure interference with the second UE.
  • the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, an identifier of the second UE, an identifier of the occupied physical resource block PRB, and at least one of transmit power.
  • the first signal may include, but is not limited to, at least one of a DMRS, an SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the sending unit 1204 may send target configuration information to the second UE by using signaling, which may include, but is not limited to, one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. .
  • signaling may include, but is not limited to, one of radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling.
  • the sending unit 1204 is further configured to send the first scheduling information to the first base station, so that the first base station determines, according to the first scheduling information, second scheduling information for the first UE, where the second scheduling information is Used to cause the first UE to cancel or suppress signal interference from the second UE.
  • the second scheduling information may be downlink scheduling information or second scheduled scheduling information.
  • the base station can receive the downlink reference signal configured by the neighboring base station in the flexible frequency band, and configure its own uplink reference signal according to the downlink reference signal, so that Effectively reduce interference of reference signals between adjacent cells in a flexible duplex system.
  • FIG. 14 is a schematic structural diagram of another base station according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the base station is the second base station involved in the foregoing embodiment.
  • the base station 1400 can include at least one processor 1401, such as a CPU, at least one input device 1402, at least one output device 1403, a memory 1404, and the like. Among them, these components can be communicatively connected through one or more buses 1405.
  • the structure of the base station 1400 shown in FIG. 14 does not constitute an embodiment of the present invention.
  • the definition may be either a bus-shaped structure or a star-shaped structure, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements. among them:
  • the input device 1402 may include a wired interface, a wireless interface, and the like, and may be used to receive uplink data transmitted by the UE or receive information transmitted by the neighboring base station.
  • the output device 1403 may include a wired interface, a wireless interface, etc., and may be used for downlink transmission of signals to or signals to neighboring base stations.
  • the memory 1404 may be a high speed RAM memory or a non-volatile memory, such as at least one disk memory.
  • the memory 1404 can also optionally be at least one storage device located remotely from the aforementioned processor 1401. As shown in FIG. 14, the memory 1404 may include applications, data, and the like, which are not limited in the embodiment of the present invention.
  • the processor 1401 can be used to call an application stored in the memory 1404 to perform the following operations:
  • the target frequency band is a frequency band configurable in an uplink and downlink transmission direction, and the uplink and downlink time slot configurations of the base station and the adjacent first base station on the at least one target subframe / or the direction of transmission is different;
  • the trigger input device 1402 receives the first reference signal sent by the first base station, where the first reference signal is a reference signal configured by the first base station on the at least one target subframe for the UE under the first base station;
  • the first reference signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a sounding reference signal SRS, and a first predetermined reference signal.
  • the second reference signal may include, but is not limited to, at least one of an uplink DMRS, an uplink SRS, and a second predetermined reference signal.
  • the second reference signal is configured to be orthogonal to the first reference signal.
  • the base station shown in FIG. 14 may be used to perform some or all of the processes in the method described in FIG. 4 of the embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of another UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE is the second UE involved in the foregoing embodiment.
  • the UE may include:
  • the receiving unit 1501 is configured to receive target configuration information that is sent by the second base station, where the target configuration information is used to indicate measurement subframes and/or first scheduling information of the UE, where the measurement subframe is the first UE and the UE.
  • a subframe in which the interference measurement is performed the second base station is a base station to which the UE belongs, and the first UE is a UE under the first base station adjacent to the second base station and interfered by the UE.
  • the receiving unit 1501 may receive target configuration information that is sent by the second base station by using a signaling, where the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. one of them.
  • the signaling may include, but is not limited to, radio resource control RRC signaling, media access control MAC signaling, and physical layer signaling. one of them.
  • FIG. 16 is a schematic structural diagram of another UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE shown in FIG. 16 is further optimized based on the UE shown in FIG. 15. Compared with the UE shown in FIG. 15, the UE shown in FIG. 16 may further include:
  • the sending unit 1502 is configured to send, according to the first scheduling information, a first signal on the measurement subframe, where the first signal is used to enable the first UE to measure interference with the UE.
  • the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the first scheduling information may include, but is not limited to, at least one of an identifier of the second UE, an identifier of the occupied physical resource block PRB, and a transmission power.
  • the first signal may include, but is not limited to, at least one of a demodulation reference signal DMRS, a demodulation reference signal SRS, a sequence code, a preamble, and a third predetermined reference signal.
  • the UE may receive configuration information sent by the base station, so that the UE may send a signal on the measurement subframe, so that the neighboring UE measures the interference of the signal. Therefore, the interference of the reference signals between adjacent cells can be effectively reduced.
  • FIG. 17 is a schematic structural diagram of another UE according to an embodiment of the present invention, for performing a method for transmitting a reference signal disclosed in an embodiment of the present invention.
  • the UE 1700 is the second UE involved in the foregoing embodiment.
  • the UE 1700 may include at least one processor 1701, such as a CPU, at least one input device 1702, at least one output device 1703, a memory 1704, and the like. Among them, these components can be communicatively connected through one or more buses 1705.
  • the structure of the UE 1700 shown in FIG. 17 does not constitute a limitation on the embodiment of the present invention. It may be a bus-shaped structure or a star-shaped structure, and may include more than the figure or less Parts, or combinations of parts, or different parts. among them:
  • the input device 1702 may include a wired interface, a wireless interface, and the like, and may be used to receive signals sent by the base station in downlink.
  • the output device 1703 may include a wired interface, a wireless interface, etc., and may be used to uplink data to the base station and the like.
  • the memory 1704 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 1704 can optionally also be at least one storage device located remotely from the aforementioned processor 1701.
  • the operating system, the application program, the data, and the like may be included in the memory 1704 as a computer storage medium, which is not limited in the embodiment of the present invention.
  • the processor 1701 can be used to call an application stored in the memory 1704 to perform the following operations:
  • the trigger input device 1702 receives the target configuration information sent by the second base station, where the target configuration information is used to indicate the measurement subframe and/or the first scheduling information of the UE 1700, where the measurement subframe is between the first UE and the UE 1700.
  • the subframe in which the interference measurement is performed, the second base station is the base station to which the UE 1700 belongs, and the first UE is the UE under the first base station adjacent to the second base station and interfered by the UE 1700.
  • the first scheduling information may be uplink scheduling information or first scheduled scheduling information.
  • the UE shown in FIG. 17 may be used to perform some or all of the processes in the method described in FIG. 5 of the embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of a reference signal transmission system according to an embodiment of the present invention.
  • the transmission system of the reference signal may include a first base station 1801, a second base station 1802, a first UE 1803, and a second UE 1804.
  • the first UE 1803 may be one UE or multiple UEs; the second UE 1804 may be one UE or multiple UEs.
  • the first base station 1801 has the same structure and function as the first base station described in the foregoing embodiment, and will not be described here; the second base station 1802 and the second base station described in the foregoing embodiment The structure and function are the same and will not be described here.
  • the first UE 1803 has the same structure and function as the first UE described in the foregoing embodiment, and will not be described here.
  • the second UE 1804 and the second UE described in the foregoing embodiment The structure and function are the same and will not be described here.
  • an embodiment of the present invention further discloses a computer storage medium storing a computer program.
  • the computer program in the computer storage medium is read into a computer, the computer can cause the computer to complete the disclosure of the embodiment of the present invention. All steps of the data transfer method.
  • Modules or sub-modules in all embodiments of the present invention may be implemented by a general-purpose integrated circuit, such as a CPU, or by an ASIC (Application Specific Integrated Circuit).
  • a general-purpose integrated circuit such as a CPU
  • ASIC Application Specific Integrated Circuit
  • the base station and the unit in the UE may be combined, divided, and deleted according to actual needs.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, Read-Only Memory (ROM), Random Access Memory (RAM), disk or optical disk.

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Abstract

一种参考信号的传输方法及相关设备、系统,其中,该方法包括:第一基站在目标频带上确定至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;第一基站在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号,所述第一UE为所述第一基站下的UE。实施本发明实施例,可以在灵活频带上进行参考信号的传输,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。

Description

一种参考信号的传输方法及相关设备、系统 技术领域
本发明涉及通信技术领域,尤其涉及一种参考信号的传输方法及相关设备、系统。
背景技术
目前,3GPP(3rd Generation Partnership Project,第三代合作伙伴计划)制定的标准中LTE(Long Term Evolution,长期演进)可以支持FDD(Frequency Division Duplexing,频分双工)和TDD(Time Division Duplexing,时分双工)两种方式。在FDD系统中,UE(User Equipment,用户终端)在两个对称的频谱资源上进行发送和接收信号。这种方式适用于语音业务通信,但是,对于上下行需求呈现非对称性和时变性等特点的移动数据业务,FDD方式则可能无法满足需求。在TDD系统中,UE在同一频谱资源上的不同时隙进行发送和接收信号。这种方式可以根据网络的业务量变化情况调整上下行时隙配比,但是要求基站与UE之间的上下行切换保证严格的时间同步,由于上下行业务量的需求不仅是时变的,而且根据地域的不同也会变化,从而导致TDD方式也无法满足变化的无线网络需求。基于上述问题,3GPP引入了灵活双工技术,在下行业务量多于上行业务量的情况下,能够将上行频带转换为下行频带,以更好的适配上下行业务量的变化。
在现有的LTE系统中,为了避免小区间的干扰,对于上行解调参考信号(Demodulation Reference Signal,DMRS)的设计,系统中所有的DMRS位置相同,且位于每个时隙中的第四个符号,从而使小区间用户可以通过配置不同的跳频图样和序列移位来降低干扰。对于下行参考信号的设计,遵循均匀分布的原则,可以使小区间用户根据物理层小区标识进行移位来降低干扰。然而,对于LTE系统采用灵活双工方式进行传输时,由于相邻小区的传输不同(例如小区1为上行传输,小区2为下行传输),如果仍沿用上述参考信号的设计方法,将会导致小区间的上下行参考信号受到严重干扰。因此,如何传输参考 信号,以降低灵活双工系统中相邻小区间参考信号的干扰是目前亟需解决的问题。
发明内容
本发明实施例公开了一种参考信号的传输方法及相关设备、系统,用于解决如何传输参考信号,以降低灵活双工系统中相邻小区间参考信号的干扰问题。
本发明实施例第一方面公开了一种参考信号的传输方法,包括:
第一基站在目标频带上确定至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
所述第一基站在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号,所述第一UE为所述第一基站下的UE。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述第一基站在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号之前,所述方法还包括:
所述第一基站接收所述第二基站发送的第二参考信号,并根据所述第二参考信号,配置第一参考信号;或者,
所述第一基站接收所述第二基站发送的所述第二参考信号的配置信息,并根据所述第二参考信号的配置信息,配置所述第一参考信号;
其中,所述第二参考信号为所述第二基站在所述至少一个目标子帧上针对所述第二基站下的UE配置的参考信号。
一种实施方式中,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
一种实施方式中,所述第一参考信号被配置为与所述第二参考信号相正交。
一种实施方式中,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
一种实施方式中,所述方法还包括:
所述第一基站将所述第一参考信号发送至所述第二基站,以使所述第二基站根据所述第一参考信号更新所述第二参考信号;或者,
所述第一基站将所述第一参考信号的配置信息发送至所述第二基站,以使所述第二基站根据所述第一参考信号的配置信息更新所述第二参考信号。
一种实施方式中,所述第一参考信号的配置信息包括所述第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
一种实施方式中,所述方法还包括:
所述第一基站从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为所述第一UE与第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE。
一种实施方式中,所述方法还包括:
所述第一基站接收所述第二基站发送的针对所述第二UE的第一调度信息。
一种实施方式中,所述方法还包括:
所述第一基站向所述第一UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或所述第一调度信息,以使所述第一UE在所述测量子帧上进行所述第二UE传输的第一信号的测量。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述方法还包括:
所述第一基站接收所述第一UE发送的干扰测量信息。
一种实施方式中,所述方法还包括:
所述第一基站根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,并将所述第二调度信息发送至所述第一UE,以使所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
一种实施方式中,其特征在于,所述干扰测量信息为干扰矩阵。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资 源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述第一基站从所述至少一个目标子帧中确定出测量子帧,包括:
所述第一基站通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
所述第一基站通过与所述第二基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
所述第一基站接收所述第二基站发送的测量子帧。
一种实施方式中,所述方法还包括:
所述第一基站获取所述第一UE的干扰取消能力。
一种实施方式中,所述第一基站根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,包括:
所述第一基站根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种,确定第二调度信息。
本发明实施例第二方面公开了一种参考信号的传输方法,包括:
第一用户设备UE获取目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,所述第一基站为所述第一UE所属的基站;
所述第一UE在所述至少一个目标子帧上接收所述第一基站发送的第一参考信号。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述方法还包括:
所述第一UE接收所述第一基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,所述测量子帧为所述第一UE与所述第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下 的且对所述第一UE产生干扰的UE,所述第一调度信息是由所述第二基站发送给所述第一基站的。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,其特征在于,所述方法还包括:
所述第一UE在所述测量子帧上进行所述第二UE传输的第一信号的测量,以获得测量结果。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述方法还包括:
所述第一UE根据所述测量结果确定干扰测量信息。
一种实施方式中,所述方法还包括:
所述第一UE直接将所述测量结果发送至所述第一基站。
一种实施方式中,所述方法还包括:
所述第一UE将所述干扰测量信息发送至所述第一基站。
一种实施方式中,所述干扰测量信息为干扰矩阵。
一种实施方式中,所述方法还包括:
所述第一UE接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息。
一种实施方式中,所述方法还包括:
所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
一种实施方式中,所述方法还包括:
所述第一UE向所述第一基站发送所述第一UE的干扰取消能力。
一种实施方式中,所述第一UE接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息,包括:
所述第一UE接收所述第一基站根据所述干扰测量信息、所述第一调度信 息和所述第一UE的干扰取消能力中的至少一种确定的第二调度信息。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
本发明实施例第三方面公开了一种参考信号的传输方法,包括:
第二基站确定目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述第二基站与相邻的第一基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
所述第二基站接收所述第一基站发送的第一参考信号,所述第一参考信号为所述第一基站在所述至少一个目标子帧上针对所述第一基站下的UE配置的参考信号;
所述第二基站根据所述第一参考信号,配置所述第二基站的第二参考信号。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
一种实施方式中,所述第二参考信号被配置为与所述第一参考信号相正交。
一种实施方式中,所述方法还包括:
所述第二基站将所述第二参考信号发送至所述第一基站,以使所述第一基站根据所述第二参考信号更新所述第一参考信号;或者,
所述第二基站将所述第二参考信号的配置信息发送至所述第一基站,以使所述第一基站根据所述第二参考信号的配置信息更新所述第一参考信号。
一种实施方式中,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
一种实施方式中,所述方法还包括:
所述第二基站从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为第一用户设备UE与第二UE之间进行干扰测量的子帧,所述第一UE为所述第一基站下的UE,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE。
一种实施方式中,所述方法还包括:
所述第二基站向所述第二UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或针对所述第二UE的第一调度信息,以使所述第二UE在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述第二基站从所述至少一个目标子帧中确定出测量子帧,包括:
所述第二基站通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
所述第二基站通过与所述第一基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
所述第二基站接收所述第一基站发送的测量子帧。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述方法还包括:
所述第二基站向所述第一基站发送所述第一调度信息,以使所述第一基站根据所述第一调度信息确定出针对所述第一UE的第二调度信息,所述第二调度信息用于使所述第一UE取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
本发明实施例第四方面公开了一种参考信号的传输方法,包括:
第二用户设备UE接收第二基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或所述第二UE的第一调度信息,其中,所述测量子帧为第一UE与所述第二UE之间进行干扰测量的子帧,所述第二基站为所述第二UE所属的基站,所述第一UE为与所述第二基站相邻的第一基站下的且被所述第 二UE干扰的UE。
一种实施方式中,所述方法还包括:
所述第二UE根据所述第一调度信息,在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
本发明实施例第五方面公开了一种基站,包括:
确定单元,用于在目标频带上确定至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
发送单元,用于在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号,所述第一UE为所述基站下的UE。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述基站还包括:
接收单元,用于在所述发送单元在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号之前,接收所述第二基站发送的第二参考信号,并根据所述第二参考信号,配置第一参考信号;或者,接收所述第二基站发送的所述第二参考信号的配置信息,并根据所述第二参考信号的配置信息,配置所述第一参考信号;
其中,所述第二参考信号为所述第二基站在所述至少一个目标子帧上针对所述第二基站下的UE配置的参考信号。
一种实施方式中,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列 初始值以及正交码中的至少一种信息。
一种实施方式中,所述第一参考信号被配置为与所述第二参考信号相正交。
一种实施方式中,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
一种实施方式中,其特征在于,
所述发送单元,还用于将所述第一参考信号发送至所述第二基站,以使所述第二基站根据所述第一参考信号更新所述第二参考信号;或者,将所述第一参考信号的配置信息发送至所述第二基站,以使所述第二基站根据所述第一参考信号的配置信息更新所述第二参考信号。
一种实施方式中,所述第一参考信号的配置信息包括所述第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
一种实施方式中,所述确定单元,还用于从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为所述第一UE与第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE。
一种实施方式中,所述接收单元,还用于接收所述第二基站发送的针对所述第二UE的第一调度信息。
一种实施方式中,所述发送单元,还用于向所述第一UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或所述第一调度信息,以使所述第一UE在所述测量子帧上进行所述第二UE传输的第一信号的测量。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述接收单元,还用于接收所述第一UE发送的干扰测量信息。
一种实施方式中,所述确定单元,还用于根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,并将所述第二调度信息发送至所述第一UE,以使所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
一种实施方式中,所述干扰测量信息为干扰矩阵。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述确定单元从所述至少一个目标子帧中确定出测量子帧的方式具体为:
所述确定单元通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
所述确定单元通过与所述第二基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
所述确定单元接收所述第二基站发送的测量子帧。
一种实施方式中,所述基站还包括:
获取单元,用于获取所述第一UE的干扰取消能力。
一种实施方式中,所述确定单元根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息的方式具体为:
所述确定单元根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种,确定第二调度信息。
本发明实施例第六方面公开了一种用户设备UE,包括:
获取单元,用于获取目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,所述第一基站为所述UE所属的基站;
接收单元,用于在所述至少一个目标子帧上接收所述第一基站发送的第一参考信号。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述接收单元,还用于接收所述第一基站发送的目标配 置信息,所述目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,所述测量子帧为所述UE与所述第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述UE产生干扰的UE,所述第一调度信息是由所述第二基站发送给所述第一基站的。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述UE还包括:
测量单元,用于在所述测量子帧上进行所述第二UE传输的第一信号的测量,以获得测量结果。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述UE还包括:
发送单元,用于直接将所述测量结果发送至所述第一基站。
一种实施方式中,所述UE还包括:
确定单元,用于根据所述测量结果确定干扰测量信息。
一种实施方式中,所述发送单元,还用于将所述干扰测量信息发送至所述第一基站。
一种实施方式中,所述干扰测量信息为干扰矩阵。
一种实施方式中,所述接收单元,还用于接收所述第一基站根据所述干扰测量信息或测量结果,和/或所述第一调度信息确定的第二调度信息。
一种实施方式中,所述UE还包括:
干扰抑制单元,用于根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
一种实施方式中,所述发送单元,还用于向所述第一基站发送所述UE的干扰取消能力。
一种实施方式中,所述接收单元接收所述第一基站根据所述干扰测量信息或测量结果,和/或所述第一调度信息确定的第二调度信息的方式具体为:
所述接收单元接收所述第一基站根据所述干扰测量信息或测量结果、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种确定的第二调度信息。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
本发明实施例第七方面公开了一种基站,包括:
确定单元,用于确定目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述基站与相邻的第一基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
接收单元,用于接收所述第一基站发送的第一参考信号,所述第一参考信号为所述第一基站在所述至少一个目标子帧上针对所述第一基站下的UE配置的参考信号;
配置单元,用于根据所述第一参考信号,配置所述基站的第二参考信号。
一种实施方式中,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
一种实施方式中,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
一种实施方式中,所述第二参考信号被配置为与所述第一参考信号相正交。
一种实施方式中,所述基站还包括:
发送单元,用于将所述第二参考信号发送至所述第一基站,以使所述第一基站根据所述第二参考信号更新所述第一参考信号;或者,将所述第二参考信号的配置信息发送至所述第一基站,以使所述第一基站根据所述第二参考信号的配置信息更新所述第一参考信号。
一种实施方式中,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
一种实施方式中,所述确定单元,还用于从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为第一用户设备UE与第二UE之间进行干扰测量的子帧,所述第一UE为所述第一基站下的UE,所述第二UE为所述基站下的且对 所述第一UE产生干扰的UE。
一种实施方式中,所述发送单元,还用于向所述第二UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或针对所述第二UE的第一调度信息,以使所述第二UE在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述确定单元从所述至少一个目标子帧中确定出测量子帧的方式具体为:
所述确定单元通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
所述确定单元通过与所述第一基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
所述确定单元接收所述第一基站发送的测量子帧。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述发送单元,还用于向所述第一基站发送所述第一调度信息,以使所述第一基站根据所述第一调度信息确定出针对所述第一UE的第二调度信息,所述第二调度信息用于使所述第一UE取消或抑制来自所述第二UE的信号干扰。
一种实施方式中,所述第二调度信息为下行调度信息或第二预定调度信息。
本发明实施例第八方面公开了一种用户设备UE,包括:
接收单元,用于接收第二基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或所述UE的第一调度信息,其中,所述测量子帧为第一UE与所述UE之间进行干扰测量的子帧,所述第二基站为所述UE所属的基站,所述第一UE为与所述第二基站相邻的第一基站下的且被所述UE干扰的UE。
一种实施方式中,所述UE还包括:
发送单元,用于根据所述第一调度信息,在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述UE之间的干扰。
一种实施方式中,所述第一调度信息为上行调度信息或第一预定调度信息。
一种实施方式中,所述第一信号包括解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号中的至少一种。
一种实施方式中,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
一种实施方式中,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
本发明实施例第九方面公开了一种基站,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行本发明实施例第一方面公开的任一项所述的方法。
本发明实施例第十方面公开了一种用户设备UE,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行本发明实施例第二方面公开的任一项所述的方法。
本发明实施例第十一方面公开了一种基站,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行本发明实施例第三方面公开的任一项所述的方法。
本发明实施例第十二方面公开了一种用户设备UE,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行本发明实施例第四方面公开的任一项所述的方法。
本发明实施例第十三方面公开了一种参考信号的传输系统,包括本发明实施例第五方面公开的任一项所述的基站、本发明实施例第六方面公开的任一项所述的UE、本发明实施例第七方面公开的任一项所述的基站以及本发明实施例第八方面公开的任一项所述的UE。
本发明实施例中,在灵活双工系统中,第一基站可以在目标频带上确定至 少一个目标子帧,该目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,第一基站可以在上述至少一个目标子帧上向第一基站下的第一UE发送第一参考信号。实施本发明实施例,基站可以在灵活频带上进行参考信号的传输,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本发明实施例公开的一种参考信号传输的应用场景的示意图;
图2是本发明实施例公开的一种参考信号的传输方法的流程示意图;
图3是本发明实施例公开的另一种参考信号的传输方法的流程示意图;
图4是本发明实施例公开的另一种参考信号的传输方法的流程示意图;
图5是本发明实施例公开的又一种参考信号的传输方法的流程示意图;
图6是本发明实施例公开的一种基站的结构示意图;
图7是本发明实施例公开的另一种基站的结构示意图;
图8是本发明实施例公开的另一种基站的结构示意图;
图9是本发明实施例公开的一种UE的结构示意图;
图10是本发明实施例公开的另一种UE的结构示意图;
图11是本发明实施例公开的另一种UE的结构示意图;
图12是本发明实施例公开的另一种基站的结构示意图;
图13是本发明实施例公开的另一种基站的结构示意图;
图14是本发明实施例公开的又一种基站的结构示意图;
图15是本发明实施例公开的另一种UE的结构示意图;
图16是本发明实施例公开的另一种UE的结构示意图;
图17是本发明实施例公开的又一种UE的结构示意图;
图18是本发明实施例公开的一种参考信号的传输系统的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例公开了一种参考信号的传输方法及相关设备、系统,用于解决如何传输参考信号,以降低灵活双工系统中相邻小区间参考信号的干扰问题。以下分别进行详细说明。
为了更好的理解本发明实施例,下面先对本发明实施例公开的一种参考信号传输的应用场景进行描述。请参阅图1,图1是本发明实施例公开的一种参考信号传输的应用场景的示意图。在图1所示的应用场景中,可以包括至少两个基站(如第一基站和第二基站)和至少两个UE(如UE1、UE2、UE3、UE4)。其中,至少两个基站为小小区(Small Cell)所属的基站,即一个小小区对应一个基站,且这些基站为两两相邻的基站,即第一基站与第二基站相邻;UE可以包括移动手机、掌上电脑、平板电脑、个人数字助理(Personal Digital Assistant,PDA)、移动互联网设备(Mobile Internet Device,MID)、可穿戴设备(如智能手表、智能手环等)等各类设备,本发明实施例不作限定。UE1和UE2为第一基站下的UE,且为第一基站的边缘UE(即位于第一基站覆盖范围的边缘区域),UE3和UE4为第二基站下的UE,且为第二基站的边缘UE(即位于第二基站覆盖范围的边缘区域)。
在图1所示的应用场景中,第一基站可以分别与UE1和UE2进行参考信号的传输,第二基站可以分别与UE3和UE4进行参考信号的传输。在现有LTE系统中,当第一基站与其所属的UE在进行上行参考信号的传输时,第二基站与其所属的UE也在进行上行参考信号的传输,当第一基站与其所属的UE在进行下行参考信号的传输时,第二基站与其所属的UE也在进行下行参考信号的传输,这样会造成相邻小区间参考信号的干扰,在小小区密集组网的场景下,由于小小区与UE的发射功率接近,上下行参考信号受到的干扰更为严重。基于上述问题,在图1所示的应用场景中,引入了灵活双工技术,能够利用灵活频 带来配置上下行传输方向,例如,当下行业务多于上行业务时,可以将上行频带配置为下行频带,用于满足下行传输需求。基于灵活双工系统,当第一基站与UE1或UE2在进行上行参考信号传输时,配置第二基站与UE3或UE4进行下行参考信号传输,以及第一基站与UE1或UE2在进行下行参考信号传输时,配置第二基站与UE3或UE4进行上行参考信号传输,从而实现干扰协调,尽可能降低相邻小区间参考信号的干扰,尤其适用于小小区密集组网的场景。
基于图1所示的应用场景,本发明实施例公开了一种参考信号的传输方法。请参阅图2,图2是本发明实施例公开的一种参考信号的传输方法的流程示意图。其中,该参考信号的传输方法是从第一基站的角度进行描述的,该参考信号的传输方法可以适用于灵活双工系统。如图2所示,该参考信号的传输方法可以包括:
201、第一基站在目标频带上确定至少一个目标子帧。
本发明实施例中,目标频带为可配置上下行传输方向的频带,即上下行传输方向可以根据业务需求进行转换,当下行业务多于上行业务时,可以将上行频带转换为下行频带,或者当上行业务多于下行业务时,可以将下行频带转换为上行频带,因此该目标频带可以称之为灵活频带,该目标频带可以为某个载波或者某个载波上的部分频带。
本发明实施例中,从目标频带中确定至少一个目标子帧,第一基站与相邻的第二基站在该至少一个目标子帧上的上下行时隙配置和/或传输方向不同,即在任一个目标子帧上第一基站和第二基站的上下行时隙配置不同,如第一基站的上下行时隙配置为0,第二基站的上下行时隙配置为1;和/或,在任一个目标子帧上第一基站和第二基站的传输方向不同,例如,当第一基站在进行下行传输时,第二基站则进行上行传输,或者第一基站在进行上行传输时,第二基站在进行下行传输。至少一个目标子帧可以是整个目标频带,也可以是目标频带上的部分子帧。
202、第一基站在上述至少一个目标子帧上向第一用户设备UE发送第一参考信号。
本发明实施例中,第一UE为第一基站下的UE,可以是第一基站下的边缘UE(即位于第一基站覆盖范围边缘区域的UE)。第一参考信号可以包括但不 限于解调参考信号DMRS、探测参考信号SRS、预定序列以及第一预定参考信号等中的至少一种。当从灵活频带中确定出至少一个目标子帧后,第一基站可以在上述至少一个目标子帧上向第一UE发送第一参考信号,从而可以使得相邻小区在传输参考信号时,能够最大化降低相互间的干扰,提高参考信号传输的准确性。
本发明实施例中,第一基站在上述至少一个目标子帧上向第一UE发送第一参考信号之前,可以先确定第一UE,即确定边缘UE,其具体实施过程可以为:第一基站根据RSRP(Reference Signal Receiving Power,参考信号接收功率)参数、RSSI(Received Signal Strength Indication,接收的信号强度指示)参数以及RSRQ(ReferenceSignalReceivingQuality,参考信号接收质量)参数中的至少一种参数,确定出第一UE。
作为一种可选的实施方式,在执行步骤202之前,图2所描述的方法还可以包括以下步骤:
20)第一基站接收第二基站发送的第二参考信号,并根据该第二参考信号,配置第一参考信号;或者,
21)第一基站接收第二基站发送的第二参考信号的配置信息,并根据该第二参考信号的配置信息,配置第一参考信号。
在该实施方式中,第二基站可以通过X2接口或以广播的方式向第一基站发送第二参考信号或第二参考信号的配置信息。第二参考信号为第二基站在上述至少一个目标子帧上针对第二基站下的UE配置的参考信号,可以包括但不限于上行DMRS、上行SRS、预定序列以及第二预定参考信号等中的至少一种。第二参考信号的配置信息可以包括但不限于第二参考信号的序列长度、循环移位、下行控制信息(Downlink Control Information,DCI)的格式、小区标识(第二基站所对应小区的标识)、Zadoff-Chu序列初始值以及正交码等中的至少一种信息。
在该实施方式中,根据第二参考信号或第二参考信号的配置信息来配置第一参考信号的具体实施方式为将第一参考信号配置为与第二参考信号相正交,从而可以避免参考信号的干扰。
作为一种可选的实施方式,图2所描述的方法还可以包括以下步骤:
22)第一基站将第一参考信号发送至第二基站,以使第二基站根据该第一参考信号更新第二参考信号;或者,
23)第一基站将第一参考信号的配置信息发送至第二基站,以使第二基站根据该第一参考信号的配置信息更新第二参考信号。
在该实施方式中,由于参考信号不是一成不变的,可以利用第一参考信号或第一参考信号的配置信息去更新第二参考信号,使得参考信号更加完善。第一基站可以通过X2接口来向第二基站发送第一参考信号或第一参考信号的配置信息。其中,第一参考信号的配置信息可以包括但不限于第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识(第一基站所对应的小区的标识)、Zadoff-Chu序列初始值以及正交码等中的至少一种信息。
本发明实施例中,图2所描述的方法还包括以下步骤:
24)第一基站从上述至少一个目标子帧中确定出测量子帧。
其中,测量子帧为第一UE与第二UE之间进行干扰测量的子帧,第二UE为第二基站下的且对第一UE产生干扰的UE。第二UE可以为第二基站下的边缘UE,在该测量子帧上可以测量出第一UE与第二UE之间的干扰。
作为一种可选的实施方式,步骤24)第一基站从上述至少一个目标子帧中确定出测量子帧的具体实施方式可以包括以下步骤:
24a)第一基站通过操作管理维护(Operation Administration and Maintenance,OAM)从上述至少一个目标子帧中确定出测量子帧;或者,
24b)第一基站通过与第二基站协商从上述至少一个目标子帧中确定出测量子帧;或者,
24c)第一基站接收第二基站发送的测量子帧,即测量子帧由第二基站决定。
可选的,图2所描述的方法还可以包括以下步骤:
25)第一基站接收第二基站发送的针对第二UE的第一调度信息。
其中,第一调度信息可以是第一基站通过X2接口或邻区广播得到的,第一调度信息可以为上行调度信息或第一预定调度信息等。第一调度信息中可以包括但不限于第二UE的标识、占用的物理资源块(Physical Resource Block,PRB)的标识以及发射功率等中的至少一种信息。
可选的,图2所描述的方法还可以包括以下步骤:
26)第一基站向第一UE发送目标配置信息,该目标配置信息用于指示测量子帧和/或第一调度信息,以使第一UE在该测量子帧上进行第二UE传输的第一信号的测量,以获得测量结果,并根据该测量结果确定干扰测量信息。
其中,第二UE传输的第一信号可以看作是第一UE的干扰信号,即会对第一UE造成干扰。第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。干扰测量信息可以为干扰矩阵,如图1所示,UE1与UE3、UE4产生的干扰矩阵为[H31,H41],UE2与UE3、UE4产生的干扰矩阵为[H32,H42]。
具体的,第一基站可以通过信令向第一UE发送目标配置信息,其中,该信令可以包括但不限于包括无线资源控制(Radio Resource Control,RRC)信令、媒体访问控制(Media Access Control,MAC)信令以及物理层信令等中的其中一种。
可选的,图2所描述的方法还可以包括以下步骤:
27)第一基站接收第一UE发送的该干扰测量信息或该测量结果。
相应地,图2所描述的方法还可以包括以下步骤:
28)第一基站根据该干扰测量信息或测量结果,和/或第一调度信息,确定第二调度信息,并将该第二调度信息发送至第一UE,以使第一UE根据该第二调度信息取消或抑制来自第二UE的信号干扰。
其中,第二调度信息可以为下行调度信息或第二预定调度信息等。
可选的,图2所描述的方法还可以包括以下步骤:
29)第一基站获取第一UE的干扰取消能力。
其中,步骤28)第一基站根据该干扰测量信息和/或第一调度信息,确定第二调度信息的具体实施方式可以为:
第一基站根据该干扰测量信息、第一调度信息和第一UE的干扰取消能力中的至少一种,确定第二调度信息。
本发明实施例中,相邻小区间的协作调度和传输方式可以有以下三种情形:1、当识别出假定的DMRS干扰时进行完全分隔的时频资源划分;2、小区间参考信号和数据间重叠的传输,但是依赖于干扰取消;3、小区间参考信号重叠 的传输,但是依赖于干扰取消。其中,协同调度和干扰消除的方法至少可以包括以下三种:方法一、采用灵活双工配置的子帧的参考信号不发送,以避免上下行子帧之间的干扰;方法二、小小区通过测量并建立干扰矩阵,先删除采用灵活双工配置的相邻小区的业务信号的干扰,然后再进行参考信号检测;方法三、小小区通过测量并建立干扰矩阵,先删除采用灵活双工配置的相邻小区导致的参考信号的干扰,然后再进行业务信号检测。基于上述协调方式,对于方式1,相邻基站相应的DMRS部分被清空,其中,不要求干扰取消,对UE接收机能力要求不高。对于方式2,对于处于上行接收的第二基站,取消第一基站下行干扰,其中,取消基于瞬时的测量和基站接收机的操作,取消邻小区数据信号对本地DMRS接收的干扰;对于第一基站下属的UE,推导邻小区上行传输对本小区造成的UE特定的干扰,基于UE id,PRB index,Transmission power,H matrix的瞬时测量,最终取消本地DMRS接收中的数据干扰。对于方式3,对于处于上行接收的第二基站,取消第一基站下行干扰,其中,取消基于瞬时的测量和基站接收机的操作,取消邻小区数据信号对本地DMRS接收的干扰;对于第一基站下属的UE,推导邻小区上行传输对本小区造成的UE特定的干扰,基于UE id,PRB index,Transmission power,H matrix的瞬时测量,最终取消本地DMRS接收中的参考信号干扰。
需要注意的是,本发明实施例不受限于低频系统,可以是高频毫米波系统,因此上述涉及的各参考信号以及各调度信息,干扰测量等都可以是基于波束赋形(beamforming)的。
本发明实施例中,在图2所描述的方法中,基站可以在灵活频带上进行参考信号的传输,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了另一种参考信号的传输方法。请参阅图3,图3是本发明实施例公开的另一种参考信号的传输方法的流程示意图。其中,该参考信号的传输方法是从第一UE的角度进行描述的,该参考信号的传输方法可以适用于灵活双工系统。如图3所示,该参考信号的传输方法可以包括:
301、第一UE获取目标频带上的至少一个目标子帧。
本发明实施例中,目标频带为可配置上下行传输方向的频带,即灵活频带。该目标频带可以为某个载波或者某个载波上的部分频带。第一基站与相邻的第二基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,其中,第一基站为第一UE所属的基站,第一UE可以为第一基站的边缘UE,第一基站与第二基站相邻。
本发明实施例中,第一UE可以接收第一基站发送的指示信息,该指示信息用于指示目标频带上的至少一个目标子帧。
302、第一UE在上述至少一个目标子帧上接收第一基站发送的第一参考信号。
本发明实施例中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS、预定序列以及第一预定参考信号等中的至少一种。
本发明实施例中,图3所描述的方法还可以包括以下步骤:
30)第一UE接收第一基站发送的目标配置信息。
本发明实施例中,目标配置信息可以用于指示测量子帧和/或针对第二UE的第一调度信息,该测量子帧为第一UE与第二UE之间进行干扰测量的子帧,第二UE为第二基站下的且对第一UE产生干扰的UE,第一调度信息是由第二基站通过X2接口或广播发送给第一基站的。
其中,第一调度信息为上行调度信息或第一预定调度信息等。第一调度信息中可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
作为一种可选的实施方式,第一UE接收第一基站通过信令发送的目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
相应地,图3所描述的方法还可以包括以下步骤:
31)第一UE在该测量子帧上进行第二UE传输的第一信号的测量,以获得测量结果。
其中,第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号等中的至少一种。
可选的,图3所描述的方法还可以包括以下步骤:
32)第一UE根据该测量结果确定干扰测量信息。
其中,该干扰测量信息可以为干扰矩阵,即以矩阵的形式来表示。
可选的,图3所描述的方法还可以包括以下步骤:
33)第一UE将该干扰测量信息或该测量结果发送至第一基站。
相应地,图3所描述的方法还可以包括以下步骤:
34)第一UE接收第一基站根据该干扰测量信息或测量结果,和/或第一调度信息确定的第二调度信息。
其中,第一基站可以根据该干扰测量信息或测量结果,和/或第一调度信息确定针对第一UE的第二调度信息,其中,第二调度信息可以为下行调度信息或第二预定调度信息等。
可选的,图3所描述的方法还可以包括以下步骤:
35)第一UE根据第二调度信息取消或抑制来自第二UE的信号干扰。
可选的,图3所描述的方法还可以包括以下步骤:
36)第一UE向第一基站发送第一UE的干扰取消能力。
相应地,步骤34)第一UE接收第一基站根据该干扰测量信息或测量结果,和/或第一调度信息确定的第二调度信息的具体实施方式可以为:
第一UE接收第一基站根据该干扰测量信息或测量结果、第一调度信息和第一UE的干扰取消能力中的至少一种确定的第二调度信息。
本发明实施例中,通过实施图3所描述的方法,UE可以在灵活频带上接收基站传输的参考信号,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了另一种参考信号的传输方法。请参阅图4,图4是本发明实施例公开的另一种参考信号的传输方法的流程示意图。其中,该参考信号的传输方法是从第二基站的角度进行描述的,该参考信号的传输方法可以适用于灵活双工系统。如图4所示,该参考信号的传输方法可以包括:
401、第二基站确定目标频带上的至少一个目标子帧。
本发明实施例中,目标频带为可配置上下行传输方向的频带,即灵活频带。 第二基站与相邻的第一基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同。该目标频带可以为某个载波或者某个载波上的部分频带。
402、第二基站接收第一基站发送的第一参考信号。
本发明实施例中,第一参考信号为第一基站在上述至少一个目标子帧上针对第一基站下的UE配置的参考信号。其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS、预定序列以及第一预定参考信号等中的至少一种。具体地,第二基站可以接收第一基站通过X2接口发送的第一参考信号。
403、第二基站根据第一参考信号,配置第二基站的第二参考信号。
本发明实施例中,第二参考信号可以包括但不限于上行DMRS、上行SRS以及第二预定参考信号等中的至少一种。第二基站根据第一参考信号配置第二参考信号的具体实施方式为将第二参考信号配置为与第一参考信号相正交。
作为一种可选的实施方式,图4所描述的方法还可以包括以下步骤:
40)第二基站将第二参考信号发送至第一基站,以使第一基站根据该第二参考信号更新第一参考信号;或者,
41)第二基站将第二参考信号的配置信息发送至第一基站,以使第一基站根据该第二参考信号的配置信息更新第一参考信号。
其中,第二参考信号的配置信息可以包括但不限于第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码等中的至少一种信息。
作为一种可选的实施方式,图4所描述的方法还可以包括以下步骤:
42)第二基站从上述至少一个目标子帧中确定出测量子帧。
其中,该测量子帧为第一UE与第二UE之间进行干扰测量的子帧,第一UE为第一基站下的UE,可以为第一基站下的边缘UE;第二UE为第二基站下的且对第一UE产生干扰的UE,可以为第二基站下的边缘UE。
可选的,第二基站确定第二UE的具体实施方式可以为第二基站根据RSRP参数、RSSI参数以及RSRQ参数中的至少一种参数,确定出第二UE。
可选的,步骤42)第二基站从上述至少一个目标子帧中确定出测量子帧的具体实施方式可以包括以下步骤:
42a)第二基站通过操作管理维护OAM从上述至少一个目标子帧中确定出测量子帧;或者,
42b)第二基站通过与第一基站协商从上述至少一个目标子帧中确定出测量子帧;或者,
42c)第二基站接收第一基站发送的测量子帧。
作为一种可选的实施方式,图4所描述的方法还可以包括以下步骤:
43)第二基站向第二UE发送目标配置信息。
其中,目标配置信息用于指示该测量子帧和/或针对第二UE的第一调度信息,以使第二UE在该测量子帧上发送第一信号,该第一信号用于使第一UE测量与第二UE之间的干扰。第一调度信息可以为上行调度信息或第一预定调度信息,第一调度信息中可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发射功率等中的至少一种信息。第一调度信息可以是第二基站发送至第二UE的,也可以是第二UE预先配置好的。第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号等中的至少一种。
具体地,第二基站通过信令向第二UE发送目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
可选的,图4所描述的方法还可以包括以下步骤:
44)第二基站向第一基站发送该第一调度信息,以使第一基站根据该第一调度信息确定出针对第一UE的第二调度信息,该第二调度信息用于使第一UE取消或抑制来自第二UE的信号干扰。
其中,第二调度信息可以为下行调度信息或第二预定调度信息等。
本发明实施例中,通过实施图4所描述的方法,基站可以接收相邻基站在灵活频带上配置的下行参考信号,并根据该下行参考信号来配置自身的上行参考信号,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了又一种参考信号的传输方法。请参阅图5,图5是本发明实施例公开的又一种参考信号的传输方法的流程示意图。其中,该参考信号的传输方法是从第二UE的角度进行描述的,该参 考信号的传输方法可以适用于灵活双工系统。如图5所示,该参考信号的传输方法可以包括:
501、第二用户设备UE接收第二基站发送的目标配置信息。
本发明实施例中,该目标配置信息可以用于指示测量子帧和/或第二UE的第一调度信息,其中,测量子帧为第一UE与第二UE之间进行干扰测量的子帧,第二基站为第二UE所属的基站,第二UE可以为第二基站的边缘UE,第一UE为第二基站相邻的第一基站下的且对第二UE产生干扰的UE,第一UE可以为第一基站的边缘UE。
本发明实施例中,第一调度信息可以为上行调度信息或第一预定调度信息等。第一调度信息中可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发射功率等中的至少一种信息。第一调度信息可以是第二基站发送至第二UE的,也可以是第二UE预先配置好的。
具体地,第二UE可以接收第二基站通过信令发送的目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
作为一种可选的实施方式,图5所描述的方法还可以包括以下步骤:
50)第二UE根据该第一调度信息,在该测量子帧上发送第一信号。
其中,第一信号可以用于使第一UE测量与第二UE之间的干扰。第一信号可以包括但不限于解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号等中的至少一种。
本发明实施例中,通过实施图5所描述的方法,UE可以接收基站发送的配置信息,使得该UE可以在测量子帧上进行信号的发送,以便相邻UE测量该信号的干扰,从而可以有效降低相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了一种基站。请参阅图6,图6是本发明实施例公开的一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该基站即为上述实施例中所涉及的第一基站。如图6所示,该基站可以包括:
确定单元601,用于在目标频带上确定至少一个目标子帧。
其中,该目标频带为可配置上下行传输方向的频带,该基站与相邻的第二基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同。
发送单元602,用于在上述至少一个目标子帧上向第一UE发送第一参考信号。其中,第一UE为该基站下的UE。
本发明实施例中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号等中的至少一种。
请一并参阅图7,图7是本发明实施例公开的另一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,图7所示的基站是在图6所示的基站的基础上进一步优化得到的。与图6所示的基站相比,图7所示的基站还可以包括:
接收单元603,用于在发送单元602在上述至少一个目标子帧上向第一用户设备UE发送第一参考信号之前,接收第二基站发送的第二参考信号,并根据该第二参考信号,配置第一参考信号;或者,接收第二基站发送的第二参考信号的配置信息,并根据该第二参考信号的配置信息,配置第一参考信号。
其中,第二参考信号为第二基站在上述至少一个目标子帧上针对第二基站下的UE配置的参考信号。第二参考信号可以包括但不限于上行DMRS、上行SRS以及第二预定参考信号中的至少一种。第二参考信号的配置信息可以包括但不限于第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
本发明实施例中,第一参考信号被配置为与第二参考信号相正交。
作为一种可选的实施方式,发送单元602,还可以用于将第一参考信号发送至第二基站,以使第二基站根据该第一参考信号更新第二参考信号;或者,将第一参考信号的配置信息发送至第二基站,以使第二基站根据该第一参考信号的配置信息更新所述第二参考信号。
其中,第一参考信号的配置信息可以包括但不限于第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码等中的至少一种信息。
本发明实施例中,确定单元601,还可以用于从上述至少一个目标子帧中确定出测量子帧,该测量子帧为第一UE与第二UE之间进行干扰测量的子帧, 第二UE为第二基站下的且对第一UE产生干扰的UE。
可选的,确定单元601从上述至少一个目标子帧中确定出测量子帧的具体实施方式可以为:
确定单元601通过操作管理维护OAM从上述至少一个目标子帧中确定出测量子帧;或者,
确定单元601通过与第二基站协商从上述至少一个目标子帧中确定出测量子帧;或者,
确定单元601接收第二基站发送的测量子帧。
可选的,接收单元603,还可以用于接收第二基站发送的针对第二UE的第一调度信息。
发送单元602,还可以用于向第一UE发送目标配置信息,该目标配置信息用于指示测量子帧和/或第一调度信息,以使第一UE在该测量子帧上进行第二UE传输的第一信号的测量,以获得测量结果,并根据该测量结果确定干扰测量信息。
具体地,发送单元602可以通过信令向第一UE发送目标配置信息,该信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
其中,第一调度信息为上行调度信息或第一预定调度信息。第一调度信息可以包括但不限于所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率等中的至少一种信息。第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号等中的至少一种。
接收单元603,还可以用于接收第一UE发送的干扰测量信息或测量结果。
确定单元601,还可以用于根据该干扰测量信息或测量结果,和/或第一调度信息,确定第二调度信息,并将第二调度信息发送至第一UE,以使第一UE根据第二调度信息取消或抑制来自第二UE的信号干扰。
其中,第二调度信息可以为下行调度信息或第二预定调度信息。该干扰测量信息可以为干扰矩阵。
作为一种可选的实施方式,图7所示的基站还可以包括:
获取单元604,用于获取第一UE的干扰取消能力。
其中,确定单元601根据该干扰测量信息或测量结果,和/或第一调度信息,确定第二调度信息的具体实施方式可以为:
确定单元601根据该干扰测量信息或测量结果、第一调度信息和第一UE的干扰取消能力中的至少一种,确定第二调度信息。
本发明实施例中,通过实施图6和图7所示的基站,基站可以在灵活频带上进行参考信号的传输,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了另一种基站。请参阅图8,图8是本发明实施例公开的另一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该基站即为上述实施例中所涉及的第一基站。如图8所示,该基站800可以包括:至少一个处理器801,例如CPU(Central Processing Unit,中央处理器),至少一个输入装置802,至少一个输出装置803,存储器804等组件。其中,这些组件可以通过一条或多条总线805进行通信连接。本领域技术人员可以理解,图8中示出的基站的结构并不构成对本发明实施例的限定,它既可以是总线形结构,也可以是星型结构,还可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。其中:
本发明实施例中,输入装置802可以包括有线接口、无线接口等,可以用于接收UE上行传输的数据或接收相邻基站传输的信息等。输出装置803可以包括有线接口、无线接口等,可以用于向UE下行传输信号或向相邻基站发送信号等。
本发明实施例中,存储器804可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器804可选的还可以是至少一个位于远离前述处理器801的存储装置。如图8所示,存储器804中可以包括应用程序和数据等,本发明实施例不作限定。
在图8所示的基站中,处理器801可以用于调用存储器804中存储的应用程序以执行以下操作:
在目标频带上确定至少一个目标子帧,其中,该目标频带为可配置上下行传输方向的频带,基站800与相邻的第二基站在上述至少一个目标子帧上的上 下行时隙配置和/或传输方向不同;
触发输出装置803在上述至少一个目标子帧上向第一UE发送第一参考信号,第一UE为基站800下的UE。
其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
具体的,图8所示的基站可以用于执行本发明实施例图2所描述的方法中的部分或全部流程。
基于图1所示的应用场景,本发明实施例公开了一种UE。请参阅图9,图9是本发明实施例公开的一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该UE即为上述实施例中所涉及的第一UE。如图9所示,该UE可以包括:
获取单元901,用于获取目标频带上的至少一个目标子帧,其中,该目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,第一基站为该UE所属的基站;
接收单元902,用于在上述至少一个目标子帧上接收第一基站发送的第一参考信号。
其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号等中的至少一种。
可选的,接收单元902,还可以用于接收第一基站发送的目标配置信息,该目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,该测量子帧为该UE与第二UE之间进行干扰测量的子帧,第二UE为第二基站下的且对该UE产生干扰的UE,第一调度信息是由第二基站发送给第一基站的。
可选的,接收单元902可以接收第一基站通过信令发送的目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
其中,第一调度信息可以为上行调度信息或第一预定调度信息。第一调度信息可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发 射功率等中的至少一种信息。
请一并参阅图10,图10是本发明实施例公开的另一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,图10所示的UE是在图9所示的UE的基础上进一步优化得到的。与图9所示的UE相比,图10所示的UE还可以包括:
测量单元903,用于在该测量子帧上进行第二UE传输的第一信号的测量,以获得测量结果。
其中,第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
相应地,图10所示的UE还可以包括:
确定单元904,用于根据该测量结果确定干扰测量信息。
发送单元905,用于将该干扰测量信息或测量结果发送至第一基站。
其中,干扰测量信息可以为干扰矩阵。
接收单元902,还可以用于接收第一基站根据该干扰测量信息或测量结果,和/或第一调度信息确定的第二调度信息。
相应地,图10所示的UE还可以包括:
干扰抑制单元906,用于根据该第二调度信息取消或抑制来自第二UE的信号干扰。
其中,第二调度信息可以为下行调度信息或第二预定调度信息。
发送单元905,还可以用于向第一基站发送该UE的干扰取消能力。
相应地,接收单元902接收第一基站根据该干扰测量信息或测量结果,和/或第一调度信息确定的第二调度信息的具体实施方式可以为:
接收单元905接收第一基站根据该干扰测量信息或测量结果、第一调度信息和第一UE的干扰取消能力中的至少一种确定的第二调度信息。
本发明实施例中,通过实施图9和图10所示的UE,UE可以在灵活频带上接收基站传输的参考信号,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了另一种UE。请参阅图11, 图11是本发明实施例公开的另一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该UE即为上述实施例中所涉及的第一UE。如图11所示,该UE1100可以包括:至少一个处理器1101,例如CPU,至少一个输入装置1102,至少一个输出装置1103,存储器1104等组件。其中,这些组件可以通过一条或多条总线1105进行通信连接。本领域技术人员可以理解,图11中示出的UE的结构并不构成对本发明实施例的限定,它既可以是总线形结构,也可以是星型结构,还可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。其中:
本发明实施例中,输入装置1102可以包括有线接口、无线接口等,可以用于接收基站下行发送的信号等。输出装置1103可以包括有线接口、无线接口等,可以用于向基站上行传输数据等。
本发明实施例中,存储器1104可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器1104可选的还可以是至少一个位于远离前述处理器1101的存储装置。如图11所示,作为一种计算机存储介质的存储器1104中可以包括操作系统、应用程序和数据等,本发明实施例不作限定。
在图11所示的UE中,处理器1101可以用于调用存储器1104中存储的应用程序以执行以下操作:
获取目标频带上的至少一个目标子帧,其中,该目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,第一基站为该UE1100所属的基站;
触发输入装置1102在上述至少一个目标子帧上接收第一基站发送的第一参考信号。
其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
具体地,图11所示的UE可以用于执行本发明实施例图3所描述的方法中的部分或全部流程。
基于图1所示的应用场景,本发明实施例公开了另一种基站。请参阅图12, 图12是本发明实施例公开的另一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该基站即为上述实施例中所涉及的第二基站。如图12所示,该基站可以包括:
确定单元1201,用于确定目标频带上的至少一个目标子帧,其中,该目标频带为可配置上下行传输方向的频带,该基站与相邻的第一基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
接收单元1202,用于接收第一基站发送的第一参考信号,该第一参考信号为第一基站在上述至少一个目标子帧上针对第一基站下的UE配置的参考信号;
配置单元1203,用于根据该第一参考信号,配置该基站的第二参考信号。
其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。第二参考信号可以包括但不限于上行DMRS、上行SRS以及第二预定参考信号中的至少一种。第二参考信号被配置为与第一参考信号相正交。
请一并参阅图13,图13是本发明实施例公开的另一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,图13所示的基站是在图12所示的基站的基础上进一步优化得到的。与图12所示的基站相比,图13所示的基站还可以包括:
发送单元1204,用于将第二参考信号发送至第一基站,以使第一基站根据该第二参考信号更新第一参考信号;或者,将第二参考信号的配置信息发送至第一基站,以使第一基站根据该第二参考信号的配置信息更新第一参考信号。
其中,第二参考信号的配置信息可以包括但不限于第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
可选的,确定单元1201,还可以用于从上述至少一个目标子帧中确定出测量子帧,该测量子帧为第一UE与第二UE之间进行干扰测量的子帧,第一UE为第一基站下的UE,第二UE为该基站下的且对第一UE产生干扰的UE。
可选的,确定单元1201从上述至少一个目标子帧中确定出测量子帧的具体实施方式可以为:
确定单元1201通过操作管理维护OAM从上述至少一个目标子帧中确定出 测量子帧;或者,
确定单元1201通过与第一基站协商从上述至少一个目标子帧中确定出测量子帧;或者,
确定单元1201接收第一基站发送的测量子帧。
发送单元1204,还可以用于向第二UE发送目标配置信息,该目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,以使第二UE在该测量子帧上发送第一信号,第一信号用于使第一UE测量与第二UE之间的干扰。
其中,第一调度信息可以为上行调度信息或第一预定调度信息。第一调度信息可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。第一信号可以包括但不限于DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
具体地,发送单元1204可以通过信令向第二UE发送目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
可选的,发送单元1204,还可以用于向第一基站发送第一调度信息,以使第一基站根据该第一调度信息确定出针对第一UE的第二调度信息,该第二调度信息用于使第一UE取消或抑制来自第二UE的信号干扰。
其中,第二调度信息可以为下行调度信息或第二预定调度信息。
本发明实施例中,通过实施图12和图13所示的基站,基站可以接收相邻基站在灵活频带上配置的下行参考信号,并根据该下行参考信号来配置自身的上行参考信号,从而可以有效降低灵活双工系统中相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了又一种基站。请参阅图14,图14是本发明实施例公开的又一种基站的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该基站即为上述实施例中所涉及的第二基站。如图14所示,该基站1400可以包括:至少一个处理器1401,例如CPU,至少一个输入装置1402,至少一个输出装置1403,存储器1404等组件。其中,这些组件可以通过一条或多条总线1405进行通信连接。本领域技术人员可以理解,图14中示出的基站1400的结构并不构成对本发明实施例 的限定,它既可以是总线形结构,也可以是星型结构,还可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。其中:
本发明实施例中,输入装置1402可以包括有线接口、无线接口等,可以用于接收UE上行传输的数据或接收相邻基站传输的信息等。输出装置1403可以包括有线接口、无线接口等,可以用于向UE下行传输信号或向相邻基站发送信号等。
本发明实施例中,存储器1404可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器1404可选的还可以是至少一个位于远离前述处理器1401的存储装置。如图14所示,存储器1404中可以包括应用程序和数据等,本发明实施例不作限定。
在图14所示的基站1400中,处理器1401可以用于调用存储器1404中存储的应用程序以执行以下操作:
确定目标频带上的至少一个目标子帧,其中,该目标频带为可配置上下行传输方向的频带,该基站与相邻的第一基站在上述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
触发输入装置1402接收第一基站发送的第一参考信号,该第一参考信号为第一基站在上述至少一个目标子帧上针对第一基站下的UE配置的参考信号;
根据该第一参考信号,配置该基站的第二参考信号。
其中,第一参考信号可以包括但不限于解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。第二参考信号可以包括但不限于上行DMRS、上行SRS以及第二预定参考信号中的至少一种。第二参考信号被配置为与第一参考信号相正交。
具体地,图14所示的基站可以用于执行本发明实施例图4所描述的方法中的部分或全部流程。
基于图1所示的应用场景,本发明实施例公开了另一种UE。请参阅图15,图15是本发明实施例公开的另一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该UE即为上述实施例中所涉及的第二UE。如图15所示,该UE可以包括:
接收单元1501,用于接收第二基站发送的目标配置信息,该目标配置信息用于指示测量子帧和/或该UE的第一调度信息,其中,该测量子帧为第一UE与该UE之间进行干扰测量的子帧,第二基站为该UE所属的基站,第一UE为与第二基站相邻的第一基站下的且被该UE干扰的UE。
可选的,接收单元1501可以接收第二基站通过信令发送的目标配置信息,该信令可以包括但不限于无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令等中的其中一种。
请一并参阅图16,图16是本发明实施例公开的另一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,图16所示的UE是在图15所示的UE的基础上进一步优化得到的。与图15所示的UE相比,图16所示的UE还可以包括:
发送单元1502,用于根据该第一调度信息,在该测量子帧上发送第一信号,该第一信号用于使第一UE测量与该UE之间的干扰。
其中,第一调度信息可以为上行调度信息或第一预定调度信息。第一调度信息可以包括但不限于第二UE的标识、占用的物理资源块PRB的标识以及发射功率等中的至少一种信息。第一信号可以包括但不限于解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号中的至少一种。
本发明实施例中,通过实施图15和图16所示的UE,UE可以接收基站发送的配置信息,使得该UE可以在测量子帧上进行信号的发送,以便相邻UE测量该信号的干扰,从而可以有效降低相邻小区间参考信号的干扰。
基于图1所示的应用场景,本发明实施例公开了又一种UE。请参阅图17,图17是本发明实施例公开的又一种UE的结构示意图,用于执行本发明实施例公开的参考信号的传输方法。其中,该UE1700即为上述实施例中所涉及的第二UE。如图17所示,该UE1700可以包括:至少一个处理器1701,例如CPU,至少一个输入装置1702,至少一个输出装置1703,存储器1704等组件。其中,这些组件可以通过一条或多条总线1705进行通信连接。本领域技术人员可以理解,图17中示出的UE1700的结构并不构成对本发明实施例的限定,它既可以是总线形结构,也可以是星型结构,还可以包括比图示更多或更少的 部件,或者组合某些部件,或者不同的部件布置。其中:
本发明实施例中,输入装置1702可以包括有线接口、无线接口等,可以用于接收基站下行发送的信号等。输出装置1703可以包括有线接口、无线接口等,可以用于向基站上行传输数据等。
本发明实施例中,存储器1704可以是高速RAM存储器,也可以是非不稳定的存储器(non-volatile memory),例如至少一个磁盘存储器。存储器1704可选的还可以是至少一个位于远离前述处理器1701的存储装置。如图17所示,作为一种计算机存储介质的存储器1704中可以包括操作系统、应用程序和数据等,本发明实施例不作限定。
在图17所示的UE1700中,处理器1701可以用于调用存储器1704中存储的应用程序以执行以下操作:
触发输入装置1702接收第二基站发送的目标配置信息,该目标配置信息用于指示测量子帧和/或该UE1700的第一调度信息,其中,该测量子帧为第一UE与该UE1700之间进行干扰测量的子帧,第二基站为该UE1700所属的基站,第一UE为与第二基站相邻的第一基站下的且被该UE1700干扰的UE。
其中,第一调度信息可以为上行调度信息或第一预定调度信息。
具体地,图17所示的UE可以用于执行本发明实施例图5所描述的方法中的部分或全部流程。
基于图1所示的应用场景,本发明实施例公开了一种参考信号的传输系统。请参阅图18,图18是本发明实施例公开的一种参考信号的传输系统的结构示意图。其中,该参考信号的传输系统可以包括第一基站1801,第二基站1802,第一UE1803以及第二UE1804。第一UE1803可以是一个UE,也可以是多个UE;第二UE1804可以是一个UE,也可以是多个UE。在该参考信号的传输系统中,第一基站1801与前述实施例所描述的第一基站的结构和功能相同,在此不再叙述;第二基站1802与前述实施例所描述的第二基站的结构和功能相同,在此不再叙述;第一UE1803与前述实施例所描述的第一UE的结构和功能相同,在此不再叙述;第二UE1804与前述实施例所描述的第二UE的结构和功能相同,在此不再叙述。
一个实施例中,本发明实施例进一步公开一种计算机存储介质,该计算机存储介质存储有计算机程序,当计算机存储介质中的计算机程序被读取到计算机时,能够使得计算机完成本发明实施例公开的数据传输方法的全部步骤。
本发明所有实施例中的模块或子模块,可以通过通用集成电路,例如CPU,或通过ASIC(Application Specific Integrated Circuit,专用集成电路)来实现。
需要说明的是,对于前述的各个方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本发明并不受所描述的动作顺序的限制,因为依据本发明,某一些步骤可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详细描述的部分,可以参见其他实施例的相关描述。
本发明实施例方法中的步骤可以根据实际需要进行顺序调整、合并和删减。
本发明实施例基站和UE中的单元可以根据实际需要进行合并、划分和删减。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成,该程序可以存储于一计算机可读存储介质中,存储介质可以包括:闪存盘、只读存储器(Read-Only Memory,ROM)、随机存取器(Random Access Memory,RAM)、磁盘或光盘等。
以上对本发明实施例所提供的一种参考信号的传输方法及相关设备、系统进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (123)

  1. 一种参考信号的传输方法,其特征在于,包括:
    第一基站在目标频带上确定至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
    所述第一基站在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号,所述第一UE为所述第一基站下的UE。
  2. 根据权利要求1所述的方法,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一基站在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号之前,所述方法还包括:
    所述第一基站接收所述第二基站发送的第二参考信号,并根据所述第二参考信号,配置第一参考信号;或者,
    所述第一基站接收所述第二基站发送的所述第二参考信号的配置信息,并根据所述第二参考信号的配置信息,配置所述第一参考信号;
    其中,所述第二参考信号为所述第二基站在所述至少一个目标子帧上针对所述第二基站下的UE配置的参考信号。
  4. 根据权利要求3所述的方法,其特征在于,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  5. 根据权利要求3或4所述的方法,其特征在于,所述第一参考信号被配置为与所述第二参考信号相正交。
  6. 根据权利要求3-5中任一项所述的方法,其特征在于,所述第二参考信 号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
  7. 根据权利要求3-6中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一基站将所述第一参考信号发送至所述第二基站,以使所述第二基站根据所述第一参考信号更新所述第二参考信号;或者,
    所述第一基站将所述第一参考信号的配置信息发送至所述第二基站,以使所述第二基站根据所述第一参考信号的配置信息更新所述第二参考信号。
  8. 根据权利要求7所述的方法,其特征在于,所述第一参考信号的配置信息包括所述第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  9. 根据权利要求1-8中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一基站从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为所述第一UE与第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE。
  10. 根据权利要求9所述的方法,其特征在于,所述方法还包括:
    所述第一基站接收所述第二基站发送的针对所述第二UE的第一调度信息。
  11. 根据权利要求9或10所述的方法,其特征在于,所述方法还包括:
    所述第一基站向所述第一UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或所述第一调度信息,以使所述第一UE在所述测量子帧上进行所述第二UE传输的第一信号的测量。
  12. 根据权利要求10或11所述的方法,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  13. 根据权利要求11或12所述的方法,其特征在于,所述第一信号包括 DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  14. 根据权利要求9-13中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一基站接收所述第一UE发送的干扰测量信息。
  15. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    所述第一基站根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,并将所述第二调度信息发送至所述第一UE,以使所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
  16. 根据权利要求15所述的方法,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  17. 根据权利要求14-16中任一项所述的方法,其特征在于,所述干扰测量信息为干扰矩阵。
  18. 根据权利要求11-17中任一项所述的方法,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  19. 根据权利要求11-18中任一项所述的方法,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  20. 根据权利要求9-19中任一项所述的方法,其特征在于,所述第一基站从所述至少一个目标子帧中确定出测量子帧,包括:
    所述第一基站通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
    所述第一基站通过与所述第二基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
    所述第一基站接收所述第二基站发送的测量子帧。
  21. 根据权利要求15-20中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一基站获取所述第一UE的干扰取消能力。
  22. 根据权利要求21所述的方法,其特征在于,所述第一基站根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,包括:
    所述第一基站根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种,确定第二调度信息。
  23. 一种参考信号的传输方法,其特征在于,包括:
    第一用户设备UE获取目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,所述第一基站为所述第一UE所属的基站;
    所述第一UE在所述至少一个目标子帧上接收所述第一基站发送的第一参考信号。
  24. 根据权利要求23所述的方法,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  25. 根据权利要求23或24所述的方法,其特征在于,所述方法还包括:
    所述第一UE接收所述第一基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,所述测量子帧为所述第一UE与所述第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE,所述第一调度信息是由所述第二基站发送 给所述第一基站的。
  26. 根据权利要求25所述的方法,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  27. 根据权利要求25或26所述的方法,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  28. 根据权利要求25-27中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一UE在所述测量子帧上进行所述第二UE传输的第一信号的测量,以获得测量结果。
  29. 根据权利要求28所述的方法,其特征在于,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  30. 根据权利要求28或29所述的方法,其特征在于,所述方法还包括:
    所述第一UE根据所述测量结果确定干扰测量信息。
  31. 根据权利要求28-30中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一UE将所述干扰测量信息或所述测量结果发送至所述第一基站。
  32. 根据权利要求30或31所述的方法,其特征在于,所述干扰测量信息为干扰矩阵。
  33. 根据权利要求30-32中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一UE接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息。
  34. 根据权利要求33所述的方法,其特征在于,所述方法还包括:
    所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
  35. 根据权利要求33或34所述的方法,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  36. 根据权利要求33-35中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一UE向所述第一基站发送所述第一UE的干扰取消能力。
  37. 根据权利要求36所述的方法,其特征在于,所述第一UE接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息,包括:
    所述第一UE接收所述第一基站根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种确定的第二调度信息。
  38. 根据权利要求25-37中任一项所述的方法,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  39. 一种参考信号的传输方法,其特征在于,包括:
    第二基站确定目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述第二基站与相邻的第一基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
    所述第二基站接收所述第一基站发送的第一参考信号,所述第一参考信号 为所述第一基站在所述至少一个目标子帧上针对所述第一基站下的UE配置的参考信号;
    所述第二基站根据所述第一参考信号,配置所述第二基站的第二参考信号。
  40. 根据权利要求39所述的方法,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  41. 根据权利要求39或40所述的方法,其特征在于,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
  42. 根据权利要求39-41中任一项所述的方法,其特征在于,所述第二参考信号被配置为与所述第一参考信号相正交。
  43. 根据权利要求39-42中任一项所述的方法,其特征在于,所述方法还包括:
    所述第二基站将所述第二参考信号发送至所述第一基站,以使所述第一基站根据所述第二参考信号更新所述第一参考信号;或者,
    所述第二基站将所述第二参考信号的配置信息发送至所述第一基站,以使所述第一基站根据所述第二参考信号的配置信息更新所述第一参考信号。
  44. 根据权利要求43所述的方法,其特征在于,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  45. 根据权利要求39-44中任一项所述的方法,其特征在于,所述方法还包括:
    所述第二基站从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为第一用户设备UE与第二UE之间进行干扰测量的子帧,所述第一UE为所述第一基站下的UE,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的 UE。
  46. 根据权利要求45所述的方法,其特征在于,所述方法还包括:
    所述第二基站向所述第二UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或针对所述第二UE的第一调度信息,以使所述第二UE在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
  47. 根据权利要求46所述的方法,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  48. 根据权利要求46或47所述的方法,其特征在于,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  49. 根据权利要求45-48中任一项所述的方法,其特征在于,所述第二基站从所述至少一个目标子帧中确定出测量子帧,包括:
    所述第二基站通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
    所述第二基站通过与所述第一基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
    所述第二基站接收所述第一基站发送的测量子帧。
  50. 根据权利要求46-49中任一项所述的方法,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  51. 根据权利要求46-50中任一项所述的方法,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  52. 根据权利要求46-51中任一项所述的方法,其特征在于,所述方法还包括:
    所述第二基站向所述第一基站发送所述第一调度信息,以使所述第一基站根据所述第一调度信息确定出针对所述第一UE的第二调度信息,所述第二调度信息用于使所述第一UE取消或抑制来自所述第二UE的信号干扰。
  53. 根据权利要求52所述的方法,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  54. 一种参考信号的传输方法,其特征在于,包括:
    第二用户设备UE接收第二基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或所述第二UE的第一调度信息,其中,所述测量子帧为第一UE与所述第二UE之间进行干扰测量的子帧,所述第二基站为所述第二UE所属的基站,所述第一UE为与所述第二基站相邻的第一基站下的且被所述第二UE干扰的UE。
  55. 根据权利要求54所述的方法,其特征在于,所述方法还包括:
    所述第二UE根据所述第一调度信息,在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
  56. 根据权利要求54或55所述的方法,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  57. 根据权利要求55或56所述的方法,其特征在于,所述第一信号包括解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  58. 根据权利要求54-57中任一项所述的方法,其特征在于,所述第一调 度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  59. 根据权利要求54-58中任一项所述的方法,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  60. 一种基站,其特征在于,包括:
    确定单元,用于在目标频带上确定至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
    发送单元,用于在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号,所述第一UE为所述基站下的UE。
  61. 根据权利要求60所述的基站,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  62. 根据权利要求60或61所述的基站,其特征在于,所述基站还包括:
    接收单元,用于在所述发送单元在所述至少一个目标子帧上向第一用户设备UE发送第一参考信号之前,接收所述第二基站发送的第二参考信号,并根据所述第二参考信号,配置第一参考信号;或者,接收所述第二基站发送的所述第二参考信号的配置信息,并根据所述第二参考信号的配置信息,配置所述第一参考信号;
    其中,所述第二参考信号为所述第二基站在所述至少一个目标子帧上针对所述第二基站下的UE配置的参考信号。
  63. 根据权利要求62所述的基站,其特征在于,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  64. 根据权利要求62或63所述的基站,其特征在于,所述第一参考信号被配置为与所述第二参考信号相正交。
  65. 根据权利要求62-64中任一项所述的基站,其特征在于,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
  66. 根据权利要求62-65中任一项所述的基站,其特征在于,
    所述发送单元,还用于将所述第一参考信号发送至所述第二基站,以使所述第二基站根据所述第一参考信号更新所述第二参考信号;或者,将所述第一参考信号的配置信息发送至所述第二基站,以使所述第二基站根据所述第一参考信号的配置信息更新所述第二参考信号。
  67. 根据权利要求66所述的方法,其特征在于,所述第一参考信号的配置信息包括所述第一参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  68. 根据权利要求60-67中任一项所述的基站,其特征在于,
    所述确定单元,还用于从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为所述第一UE与第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述第一UE产生干扰的UE。
  69. 根据权利要求68所述的基站,其特征在于,
    所述接收单元,还用于接收所述第二基站发送的针对所述第二UE的第一调度信息。
  70. 根据权利要求68或69所述的基站,其特征在于,
    所述发送单元,还用于向所述第一UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或所述第一调度信息,以使所述第一UE在所述 测量子帧上进行所述第二UE传输的第一信号的测量。
  71. 根据权利要求69或70所述的基站,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  72. 根据权利要求70或71所述的基站,其特征在于,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  73. 根据权利要求68-72所述的基站,其特征在于,
    所述接收单元,还用于接收所述第一UE发送的干扰测量信息。
  74. 根据权利要求73所述的基站,其特征在于,
    所述确定单元,还用于根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息,并将所述第二调度信息发送至所述第一UE,以使所述第一UE根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
  75. 根据权利要求74所述的基站,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  76. 根据权利要求73-75中任一项所述的基站,其特征在于,所述干扰测量信息为干扰矩阵。
  77. 根据权利要求70-76中任一项所述的基站,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  78. 根据权利要求70-77中任一项所述的基站,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  79. 根据权利要求68-78中任一项所述的基站,其特征在于,所述确定单元从所述至少一个目标子帧中确定出测量子帧的方式具体为:
    所述确定单元通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
    所述确定单元通过与所述第二基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
    所述确定单元接收所述第二基站发送的测量子帧。
  80. 根据权利要求74-79中任一项所述的基站,其特征在于,所述基站还包括:
    获取单元,用于获取所述第一UE的干扰取消能力。
  81. 根据权利要求80所述的基站,其特征在于,所述确定单元根据所述干扰测量信息和/或所述第一调度信息,确定第二调度信息的方式具体为:
    所述确定单元根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种,确定第二调度信息。
  82. 一种用户设备UE,其特征在于,包括:
    获取单元,用于获取目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,第一基站与相邻的第二基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同,所述第一基站为所述UE所属的基站;
    接收单元,用于在所述至少一个目标子帧上接收所述第一基站发送的第一参考信号。
  83. 根据权利要求82所述的UE,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  84. 根据权利要求82或83所述的UE,其特征在于,
    所述接收单元,还用于接收所述第一基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或针对第二UE的第一调度信息,所述测量子帧为所述UE与所述第二UE之间进行干扰测量的子帧,所述第二UE为所述第二基站下的且对所述UE产生干扰的UE,所述第一调度信息是由所述第二基站发送给所述第一基站的。
  85. 根据权利要求84所述的UE,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  86. 根据权利要求84或85所述的UE,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  87. 根据权利要求84-86中任一项所述的UE,其特征在于,所述UE还包括:
    测量单元,用于在所述测量子帧上进行所述第二UE传输的第一信号的测量,以获得测量结果。
  88. 根据权利要求87所述的UE,其特征在于,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  89. 根据权利要求87或88所述的UE,其特征在于,所述UE还包括:
    确定单元,用于根据所述测量结果确定干扰测量信息。
  90. 根据权利要求87-89中任一项所述的UE,其特征在于,所述UE还包括:
    发送单元,用于将所述干扰测量信息或所述测量结果发送至所述第一基站。
  91. 根据权利要求89或90所述的UE,其特征在于,所述干扰测量信息为干扰矩阵。
  92. 根据权利要求89-91中任一项所述的UE,其特征在于,
    所述接收单元,还用于接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息。
  93. 根据权利要求92所述的UE,其特征在于,所述UE还包括:
    干扰抑制单元,用于根据所述第二调度信息取消或抑制来自所述第二UE的信号干扰。
  94. 根据权利要求92或93所述的UE,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  95. 根据权利要求92-94中任一项所述的UE,其特征在于,
    所述发送单元,还用于向所述第一基站发送所述UE的干扰取消能力。
  96. 根据权利要求95所述的UE,其特征在于,所述接收单元接收所述第一基站根据所述干扰测量信息和/或所述第一调度信息确定的第二调度信息的方式具体为:
    所述接收单元接收所述第一基站根据所述干扰测量信息、所述第一调度信息和所述第一UE的干扰取消能力中的至少一种确定的第二调度信息。
  97. 根据权利要求84-96中任一项所述的UE,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  98. 一种基站,其特征在于,包括:
    确定单元,用于确定目标频带上的至少一个目标子帧,其中,所述目标频带为可配置上下行传输方向的频带,所述基站与相邻的第一基站在所述至少一个目标子帧上的上下行时隙配置和/或传输方向不同;
    接收单元,用于接收所述第一基站发送的第一参考信号,所述第一参考信号为所述第一基站在所述至少一个目标子帧上针对所述第一基站下的UE配置的参考信号;
    配置单元,用于根据所述第一参考信号,配置所述基站的第二参考信号。
  99. 根据权利要求98所述的基站,其特征在于,所述第一参考信号包括解调参考信号DMRS、探测参考信号SRS以及第一预定参考信号中的至少一种。
  100. 根据权利要求98或99所述的基站,其特征在于,所述第二参考信号包括上行DMRS、上行SRS以及第二预定参考信号中的至少一种。
  101. 根据权利要求98-100中任一项所述的基站,其特征在于,所述第二参考信号被配置为与所述第一参考信号相正交。
  102. 根据权利要求98-101中任一项所述的基站,其特征在于,所述基站还包括:
    发送单元,用于将所述第二参考信号发送至所述第一基站,以使所述第一基站根据所述第二参考信号更新所述第一参考信号;或者,将所述第二参考信号的配置信息发送至所述第一基站,以使所述第一基站根据所述第二参考信号的配置信息更新所述第一参考信号。
  103. 根据权利要求102所述的基站,其特征在于,所述第二参考信号的配置信息包括所述第二参考信号的序列长度、循环移位、下行控制信息DCI的格式、小区标识、Zadoff-Chu序列初始值以及正交码中的至少一种信息。
  104. 根据权利要求98-103中任一项所述的基站,其特征在于,
    所述确定单元,还用于从所述至少一个目标子帧中确定出测量子帧,所述测量子帧为第一用户设备UE与第二UE之间进行干扰测量的子帧,所述第一UE为所述第一基站下的UE,所述第二UE为所述基站下的且对所述第一UE产生干 扰的UE。
  105. 根据权利要求104所述的基站,其特征在于,
    所述发送单元,还用于向所述第二UE发送目标配置信息,所述目标配置信息用于指示所述测量子帧和/或针对所述第二UE的第一调度信息,以使所述第二UE在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述第二UE之间的干扰。
  106. 根据权利要求105所述的基站,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  107. 根据权利要求105或106所述的基站,其特征在于,所述第一信号包括DMRS、SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  108. 根据权利要求104-107中任一项所述的基站,其特征在于,所述确定单元从所述至少一个目标子帧中确定出测量子帧的方式具体为:
    所述确定单元通过操作管理维护OAM从所述至少一个目标子帧中确定出测量子帧;或者,
    所述确定单元通过与所述第一基站协商从所述至少一个目标子帧中确定出测量子帧;或者,
    所述确定单元接收所述第一基站发送的测量子帧。
  109. 根据权利要求105-108中任一项所述的基站,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  110. 根据权利要求105-109中任一项所述的基站,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  111. 根据权利要求105-110中任一项所述的基站,其特征在于,
    所述发送单元,还用于向所述第一基站发送所述第一调度信息,以使所述第一基站根据所述第一调度信息确定出针对所述第一UE的第二调度信息,所述第二调度信息用于使所述第一UE取消或抑制来自所述第二UE的信号干扰。
  112. 根据权利要求111所述的基站,其特征在于,所述第二调度信息为下行调度信息或第二预定调度信息。
  113. 一种用户设备UE,其特征在于,包括:
    接收单元,用于接收第二基站发送的目标配置信息,所述目标配置信息用于指示测量子帧和/或所述UE的第一调度信息,其中,所述测量子帧为第一UE与所述UE之间进行干扰测量的子帧,所述第二基站为所述UE所属的基站,所述第一UE为与所述第二基站相邻的第一基站下的且被所述UE干扰的UE。
  114. 根据权利要求113所述的UE,其特征在于,所述UE还包括:
    发送单元,用于根据所述第一调度信息,在所述测量子帧上发送第一信号,所述第一信号用于使所述第一UE测量与所述UE之间的干扰。
  115. 根据权利要求113或114所述的UE,其特征在于,所述第一调度信息为上行调度信息或第一预定调度信息。
  116. 根据权利要求114或115所述的UE,其特征在于,所述第一信号包括解调参考信号DMRS、解调参考信号SRS、序列码、前导码以及第三预定参考信号中的至少一种。
  117. 根据权利要求113-116中任一项所述的UE,其特征在于,所述第一调度信息包括所述第二UE的标识、占用的物理资源块PRB的标识以及发射功率中的至少一种信息。
  118. 根据权利要求113-117中任一项所述的UE,其特征在于,所述目标配置信息通过信令发送,所述信令包括无线资源控制RRC信令、媒体访问控制MAC信令以及物理层信令中的其中一种。
  119. 一种基站,其特征在于,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行如权利要求1至权利要求22中任一项所述的方法。
  120. 一种用户设备UE,其特征在于,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行如权利要求23至权利要求38中任一项所述的方法。
  121. 一种基站,其特征在于,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行如权利要求39至权利要求53中任一项所述的方法。
  122. 一种用户设备UE,其特征在于,包括处理器、输入装置、输出装置和存储器;其中,所述存储器用于存储程序和数据,所述处理器用于调用所述存储器存储的程序,执行如权利要求54至权利要求59中任一项所述的方法。
  123. 一种参考信号的传输系统,其特征在于,包括如权利要求60至权利要求81中任一项所述的基站、如权利要求82至权利要求97中任一项所述的UE、如权利要求98至权利要求112中任一项所述的基站以及如权利要求113至权利要求118中任一项所述的UE。
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