CN110034897A - A kind of reference signal transmission method and device - Google Patents

A kind of reference signal transmission method and device Download PDF

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Publication number
CN110034897A
CN110034897A CN201810032708.3A CN201810032708A CN110034897A CN 110034897 A CN110034897 A CN 110034897A CN 201810032708 A CN201810032708 A CN 201810032708A CN 110034897 A CN110034897 A CN 110034897A
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China
Prior art keywords
reference signal
terminal
base station
time unit
sending time
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CN201810032708.3A
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Chinese (zh)
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CN110034897B (en
Inventor
黄秋萍
拉盖施
高秋彬
陈润华
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Datang Mobile Communications Equipment Co Ltd
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Telecommunications Science and Technology Research Institute Co Ltd
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Priority to CN201810032708.3A priority Critical patent/CN110034897B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation

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

Abstract

This application discloses a kind of reference signal transmission method and devices.In the application, base station sends the triggering of the first reference signal or activation signaling to terminal, and the first reference signal triggering or activation signaling are used to indicate the terminal and send the first reference signal according to the resource allocation information of the first reference signal；The base station receives the first reference signal that the terminal triggers or activate signaling to send according to first reference signal；Wherein, the starting sending time unit of first reference signal is determined according to the starting sending time unit of associated second reference signal of first reference signal, and second reference signal is downlink reference signal.

Description

A kind of reference signal transmission method and device
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of reference signal transmission method and devices.
Background technique
In existing communication system, reference signal be that will be transmitted after being configured.Such as periodically with reference to letter Number (detection reference signal (sounding reference signal, SRS) in such as period, the period channel state information reference Signal (channel state information-reference signals, CSI-RS)), as long as being configured with reference letter Number resource then periodically carries out the transmission of reference signal.Some reference signals do not start to transmit at once after being configured, but Being triggered after (trigger) could transmit.Such as it is aperiodic in long term evolution (long term evolution, LTE) system Reference signal, only base station just starts to transmit after having sent activation (activate) signaling to terminal, and only sends primary. Some reference signals do not start to transmit at once after being configured, but just start to transmit after being activated, and periodically transmission, directly To receiving a deactivation command.Such as the semi-continuous reference signal in LTE system.
If base station is that terminal is configured with some reference signal, and has sent triggering or the activation letter of the reference signal to terminal It enables, then after terminal receives the signaling, needs the sequential relationship for triggering and sending according to reference signal, determine the transmission of reference signal Moment.
In NR (5G) system, the triggered time of aperiodic reference signal and the sequential relationship of sending time are not yet provided Determine method.
Summary of the invention
The embodiment of the present application provides a kind of reference signal transmission method and device.
In a first aspect, providing a kind of reference signal transmission method, which comprises
Base station sends the triggering of the first reference signal or activation signaling, the first reference signal triggering or activation letter to terminal Order is used to indicate the terminal and sends the first reference signal according to the resource allocation information of the first reference signal；
The base station receives the first reference that the terminal triggers or activate signaling to send according to first reference signal Signal；Wherein, the starting sending time unit of first reference signal according to first reference signal associated second The starting sending time unit of reference signal determines that second reference signal is downlink reference signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer；Or
After the starting sending time unit of first reference signal is the transmission primary sign of second reference signal Time slot where X symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is Z after the sending time slots of second reference signal First ascending time slot in time slot and its later time slot, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z after the sending time slots of second reference signal A time slot, wherein Z is the integer more than or equal to 0.
Optionally, the value of the X is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the X is notified to the terminal.
Optionally, the base station is notified the value of the X to the terminal by signaling, comprising:
The base station sends Downlink Control Information DCI to the terminal, and the DCI carries the value of the X；Or
The base station sends high-level signaling to the terminal, and the high-level signaling carries the value of the X；Or
The base station sends high-level signaling to the terminal and DCI, the high-level signaling carry multiple values of the X, A value is selected in the DCI carrying from the multiple value.
Optionally, the value of the X is related to the reporting types configuration parameter of second reference signal.
Optionally, the value of the Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the Z is notified to the terminal.
Optionally, the base station is notified the value of the Z to the terminal by signaling, comprising:
The base station sends DCI to the terminal, and the DCI carries the value of the Z；Or
The base station sends high-level signaling to the terminal, and the high-level signaling carries the value of the Z；Or
The base station sends high-level signaling to the terminal and DCI, the high-level signaling carry multiple values of the Z, A value is selected in the DCI carrying from the multiple value.
Optionally, the value of the Z is related to the reporting types configuration parameter of second reference signal, or with described Two reference signals report resource allocation parameters related.
Optionally, the starting sending time unit of first reference signal be according to before n-th of time quantum, and away from Nearest true with the starting sending time unit of associated second reference signal of first reference signal of from n-th time quantum Fixed, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
When the starting sending time unit of first reference signal is a to the n-th+K2 according to the n-th+K1 time quantums Between the last one starting sending time unit with associated second reference signal of first reference signal for sending in unit Determining, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
The starting sending time unit of first reference signal is sent most according to before the n-th+K2 time quantums What the initial time unit of the latter and associated second reference signal of first reference signal determined, wherein described in n mark The number of the sending time unit of the triggering of first reference signal or activation signaling, K2 are the integer more than or equal to 0.
Optionally, the first reference signal triggering or activation signaling are also used to indicate that the terminal receives and described first Associated second reference signal of reference signal；
The method also includes:
The base station is sent and associated second reference signal of first reference signal, second ginseng to the terminal Examine signal starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and First descending time slot after it in time slot, wherein R is the integer more than or equal to 0；Or
The starting sending time unit of second reference signal is that first reference signal triggers or activate signaling hair The R time slot after time slot is sent, wherein R is the integer more than or equal to 0.
Optionally, the value of the R is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the R is notified to the terminal.
Optionally, the base station is notified the value of the R to the terminal by signaling, comprising:
The base station sends DCI to the terminal, and the DCI carries the value of the R；Or
The base station sends high-level signaling to the terminal, and the high-level signaling carries the value of the R；Or
The base station sends high-level signaling to the terminal and DCI, the high-level signaling carry multiple values of the R, A value is selected in the DCI carrying from the multiple value.
Optionally, the base station is also to terminal instruction and associated second reference signal of first reference signal；
The method also includes:
If the base station is not sent and first reference signal associated second to the terminal in setting time range Reference signal, then the base station abandons being decoded the first reference signal.
Optionally, the setting time range is the 4th time range, and the 4th time range includes:
One or more consecutive time quantum between n-th of time quantum and the n-th+k time quantums；Or
Time quantum before n-th+k-X time quantums.The value of the X is preset value, or passes through letter by base station Order is indicated to terminal, or is made an appointment by base station and terminal, and the value of the agreement can be the value determined based on some rule；
K1 described in time quantum between n-th+K1 time quantums and the n-th+k-X time quantums can be one in advance If value perhaps base station the value of terminal is indicated to by signaling or base station and terminal are made an appointment can be regular based on some Determining value.
Optionally, the method also includes:
The base station is used to send the analog beam figuration information of the first reference signal to terminal instruction, and is used for Receive the analog beam figuration information of the second reference signal.
Second aspect provides a kind of reference signal transmission method, which comprises
Terminal receives the triggering of the first reference signal or activation signaling that base station is sent, and first reference signal triggers or swashs Signaling living is used to indicate the terminal and sends the first reference signal according to the resource allocation information of the first reference signal；
The terminal triggers or activates signaling to send the first reference signal to the base station according to first reference signal； Wherein, wherein the starting sending time unit of first reference signal according to first reference signal associated second The starting sending time unit of reference signal determines that second reference signal is downlink reference signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer；Or
After the starting sending time unit of first reference signal is the transmission primary sign of second reference signal Time slot where X symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is Z after the sending time slots of second reference signal First ascending time slot in time slot and its later time slot, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z after the sending time slots of second reference signal A time slot, wherein Z is the integer more than or equal to 0.
Optionally, the value of the X is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the X is notified to the terminal.
Optionally, the value of the X is related to the reporting types configuration parameter of second reference signal.
Optionally, the value of the Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the Z is notified to the terminal.
Optionally, the value of the Z is related to the reporting types configuration parameter of second reference signal, or with described Two reference signals report resource allocation parameters related.
Optionally, the starting sending time unit of first reference signal be according to before n-th of time quantum, and away from Nearest true with the starting sending time unit of associated second reference signal of first reference signal of from n-th time quantum Fixed, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
When the starting sending time unit of first reference signal is a to the n-th+K2 according to the n-th+K1 time quantums Between the initial time unit of the last one and associated second reference signal of first reference signal that sends in unit determine , wherein n identifies the number of the sending time unit of the first reference signal triggering or activation signaling；Or
The starting sending time unit of first reference signal is sent most according to before the n-th+K2 time quantums What the initial time unit of the latter and associated second reference signal of first reference signal determined, wherein described in n mark The number of the sending time unit of the triggering of first reference signal or activation signaling, K2 are the integer more than or equal to 0.
It is optionally, described to send the first reference signal to the base station, comprising:
The terminal according to receive with the reception information of first reference signal associated second reference signal and/ Or channel information, determine the precoding of first reference signal；
The terminal carries out precoding processing to first reference signal according to the precoding determined；
The terminal sends the first reference signal after precoding processing.
Optionally, the terminal is according to the reception information and/or channel information of second reference signal received, really The precoding of fixed first reference signal, comprising:
What the terminal was arrived according at the appointed time range reception believes with associated second reference of first reference signal Number reception information and/or channel information, determine the precoding of first reference signal.
Optionally, the specified time range reception arrive with associated second reference signal of first reference signal, Include:
First after n-th of time quantum and associated second reference signal of first reference signal；Or
It is before n-th of time quantum and that n-th of time quantum of distance is nearest with first reference signal associated second Reference signal；Or
The last one received within the scope of n-th+K1 time quantums and the n-th+K2 time quantums and first reference Associated second reference signal of signal；Or
The last one received before n-th+K2 time quantums is with first reference signal associated second with reference to letter Number；
Wherein, n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling.
Optionally, the base station is also to terminal instruction and associated second reference signal of first reference signal；
The method also includes:
The base station is sent and associated second reference signal of first reference signal, second ginseng to the terminal Examine signal starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and First descending time slot after it in time slot, wherein R is the integer more than or equal to 0；Or
The starting sending time unit of second reference signal is that first reference signal triggers or activate signaling hair The R time slot after time slot is sent, wherein R is the integer more than or equal to 0.
Optionally, the transmission wave beam forming information for the first reference signal that the terminal is indicated according to the base station, It receives and associated second reference signal of first reference signal.
The third aspect provides a kind of reference signal transmission method, comprising:
Base station sends the triggering of the first reference signal or activation signaling, the first reference signal triggering or activation letter to terminal Order is used to indicate the terminal and receives the first reference signal；
The base station sends the first reference signal according to the resource allocation information of first reference signal；Wherein, described The starting sending time unit of first reference signal is according to the starting with associated second reference signal of first reference signal Sending time unit determines that second reference signal is downlink reference signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer；Or
After the starting sending time unit of first reference signal is the transmission primary sign of second reference signal Time slot where X symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is Z after the sending time slots of second reference signal First ascending time slot in time slot and its later time slot, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z after the sending time slots of second reference signal A time slot, wherein Z is the integer more than or equal to 0.
Optionally, the value of the X is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the X is notified to the terminal.
Optionally, the value of the X is related to the reporting types configuration parameter of second reference signal.
Optionally, the value of the Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the Z is notified to the terminal.
Optionally, the value of the Z is related to the reporting types configuration parameter of second reference signal, or with described Two reference signals report resource allocation parameters related.
Optionally, the starting sending time unit of first reference signal be according to before n-th of time quantum, and away from Nearest true with the starting sending time unit of associated second reference signal of first reference signal of from n-th time quantum Fixed, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
When the starting sending time unit of first reference signal is a to the n-th+K2 according to the n-th+K1 time quantums Between the initial time unit of the last one and associated second reference signal of first reference signal that sends in unit determine , wherein n identifies the number of the sending time unit of the first reference signal triggering or activation signaling；Alternatively, described first The starting sending time unit of reference signal is according to the last one sent before the n-th+K2 time quantums and described first What the initial time unit of associated second reference signal of reference signal determined, wherein n identifies the first reference signal triggering Or the number of the sending time unit of activation signaling, K2 are the integer more than or equal to 0.
It is optionally, described to send the first reference signal to the base station, comprising:
The base station according to receive with the reception information of first reference signal associated second reference signal and/ Or channel information, determine the precoding of first reference signal；
The base station carries out precoding processing to first reference signal according to the precoding determined；
The base station sends the first reference signal after precoding processing.
Optionally, the base station is according to the reception information and/or channel information of second reference signal received, really The precoding of fixed first reference signal, comprising:
What the base station was arrived according at the appointed time range reception believes with associated second reference of first reference signal Number reception information and/or channel information, determine the precoding of first reference signal.
Optionally, the specified time range reception arrive with associated second reference signal of first reference signal, Include:
First after n-th of time quantum and associated second reference signal of first reference signal；Or
It is before n-th of time quantum and that n-th of time quantum of distance is nearest with first reference signal associated second Reference signal；Or
The last one received within the scope of n-th+K1 time quantums and the n-th+K2 time quantums and first reference Associated second reference signal of signal；Or
The last one received before n-th+K2 time quantums is with first reference signal associated second with reference to letter Number；
Wherein, n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling.
Optionally, the first reference signal triggering or activation signaling are also used to indicate that the terminal is sent and described first Associated second reference signal of reference signal；
The method also includes:
The base station reception terminal is sent and associated second reference signal of first reference signal, and described second The starting sending time unit of reference signal is that first reference signal triggers or activate the R time slot after signaling sending time slots And its first ascending time slot in time slot later, wherein R is the integer more than or equal to 0；Alternatively, second reference signal Starting sending time unit be first reference signal trigger or activate signaling sending time slots after the R time slot, wherein R be Integer more than or equal to 0.
Optionally, the method also includes:
The base station is used to send the analog beam figuration information of the first reference signal to terminal instruction, and is used for Receive the analog beam figuration information of the second reference signal.
Fourth aspect provides a kind of reference signal transmission method, which comprises
Terminal receives the triggering of the first reference signal or activation signaling that base station is sent, and first reference signal triggers or swashs Signaling living is used to indicate the terminal and receives the first reference signal according to the resource allocation information of first reference signal；
The terminal triggers or activates signaling to receive the first reference signal according to first reference signal；Wherein, described The starting sending time unit of first reference signal is according to the starting with associated second reference signal of first reference signal Sending time unit determines that second reference signal is downlink reference signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer；Or
After the starting sending time unit of first reference signal is the transmission primary sign of second reference signal Time slot where X symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is Z after the sending time slots of second reference signal First ascending time slot in time slot and its later time slot, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z after the sending time slots of second reference signal A time slot, wherein Z is the integer more than or equal to 0.
Optionally, the value of the X is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the X is notified to the terminal.
Optionally, the value of the X is related to the reporting types configuration parameter of second reference signal.
Optionally, the value of the Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the Z is notified to the terminal.
Optionally, the value of the Z is related to the reporting types configuration parameter of second reference signal, or with described Two reference signals report resource allocation parameters related.
Optionally, the starting sending time unit of first reference signal be according to before n-th of time quantum, and away from Nearest true with the starting sending time unit of associated second reference signal of first reference signal of from n-th time quantum Fixed, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
When the starting sending time unit of first reference signal is a to the n-th+K2 according to the n-th+K1 time quantums Between the last one starting sending time unit with associated second reference signal of first reference signal for sending in unit Determining, wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Alternatively, The starting sending time unit of first reference signal be according to the last one sent before the n-th+K2 time quantums with What the initial time unit of associated second reference signal of the first reference signal determined, wherein first reference of n mark The number of the sending time unit of signal triggering or activation signaling, K2 are the integer more than or equal to 0.
Optionally, the first reference signal triggering or activation signaling are also used to indicate that the terminal receives and described first Associated second reference signal of reference signal；
The method also includes:
The terminal is sent and associated second reference signal of first reference signal, second ginseng to the base station Examine signal starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and First ascending time slot after it in time slot, wherein R is the integer more than or equal to 0；Or second reference signal Originating sending time unit is that first reference signal triggers or activate the R time slot after signaling sending time slots, and wherein R is big In or equal to 0 integer.
Optionally, the value of the R is made an appointment by the base station and the terminal；Alternatively, the base station passes through signaling The value of the R is notified to the terminal.
Optionally, the base station is also to terminal instruction and associated second reference signal of first reference signal；
The method also includes:
If the terminal is not associated with first reference signal to receiving the base station and send in setting time range The second reference signal, then the terminal is abandoned being decoded the first reference signal.
Optionally, the reception wave beam forming information for the first reference signal that the terminal is indicated according to the base station, It sends and associated second reference signal of first reference signal.
5th aspect, provides a kind of base station, comprising:
Sending module, for sending the triggering of the first reference signal or activation signaling, the first reference signal touching to terminal Hair or activation signaling are used to indicate the terminal and send the first reference signal according to the resource allocation information of the first reference signal；
Receiving module triggers or activates the first of signaling transmission according to first reference signal for receiving the terminal Reference signal；Wherein, the starting sending time unit of first reference signal is according to associated with first reference signal The starting sending time unit of second reference signal determines that second reference signal is downlink reference signal.
6th aspect, is provided in one kind, comprising:
Receiving module, for receiving the triggering of the first reference signal or activation signaling of base station transmission, described first with reference to letter Number triggering or activation signaling be used to indicate the terminal according to the resource allocation information of the first reference signal send first with reference to believe Number；
Sending module, for being triggered or being activated signaling to send the first reference to the base station according to first reference signal Signal；Wherein, wherein the starting sending time unit of first reference signal is according to associated with first reference signal The starting sending time unit of second reference signal determines that second reference signal is downlink reference signal.
7th aspect, provides a kind of base station, comprising:
Sending module, for sending the triggering of the first reference signal or activation signaling, the first reference signal touching to terminal Hair or activation signaling are used to indicate the terminal and receive the first reference signal；
Receiving module, for sending the first reference signal according to the resource allocation information of first reference signal；Wherein, The starting sending time unit of first reference signal according to associated second reference signal of first reference signal It originates sending time unit to determine, second reference signal is downlink reference signal.
Eighth aspect provides a kind of terminal, comprising:
Receiving module, for receiving the triggering of the first reference signal or activation signaling of base station transmission, described first with reference to letter Number triggering or activation signaling be used to indicate the terminal according to the resource allocation information of first reference signal receive first ginseng Examine signal；
Sending module, for being triggered according to first reference signal or signaling being activated to receive the first reference signal；Wherein, The starting sending time unit of first reference signal according to associated second reference signal of first reference signal It originates sending time unit to determine, second reference signal is downlink reference signal.
9th aspect, provides a kind of base station, comprising: processor, memory, transceiver, the processor, memory and receipts Hair machine is connected by bus；The processor executes any one of above-mentioned first aspect institute for reading the program in memory The method stated.
Tenth aspect, provides a kind of terminal, comprising: processor, memory, transceiver, the processor, memory and receipts Hair machine is connected by bus；The processor executes any one of above-mentioned second aspect institute for reading the program in memory The method stated.
Tenth on the one hand, a kind of base station is provided, comprising: processor, memory, transceiver, the processor, memory and Transceiver is connected by bus；The processor executes any one of above-mentioned third aspect for reading the program in memory The method.
12nd aspect, a kind of terminal is provided, comprising: processor, memory, transceiver, the processor, memory and Transceiver is connected by bus；The processor executes any one of above-mentioned fourth aspect for reading the program in memory The method.
13rd aspect, provides a kind of computer storage medium, the computer-readable recording medium storage has computer Executable instruction, the computer executable instructions are for executing the computer described in any one of above-mentioned first aspect Method.
Fourteenth aspect, provides a kind of computer storage medium, and the computer-readable recording medium storage has computer Executable instruction, the computer executable instructions are for executing the computer described in any one of above-mentioned second aspect Method.
15th aspect, provides a kind of computer storage medium, the computer-readable recording medium storage has computer Executable instruction, the computer executable instructions are for executing the computer described in any one of above-mentioned third aspect Method.
16th aspect, provides a kind of computer storage medium, the computer-readable recording medium storage has computer Executable instruction, the computer executable instructions are for executing the computer described in any one of above-mentioned fourth aspect Method.
Detailed description of the invention
Fig. 1 is the system architecture schematic diagram that the embodiment of the present application is applicable in；
Fig. 2 is uplink reference signals transmission flow schematic diagram provided by the embodiments of the present application；
Fig. 3 is downlink reference signal transmission flow schematic diagram provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of base station provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of terminal provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram for the base station that the application other embodiment provides；
Fig. 7 is the structural schematic diagram for the terminal that the application other embodiment provides；
Fig. 8 is the structural schematic diagram for the base station that the application other embodiment provides；
Fig. 9 is the structural schematic diagram for the terminal that the application other embodiment provides.
Specific embodiment
Hereinafter, the part term in the embodiment of the present application is explained, in order to those skilled in the art understand that.
(1) in the embodiment of the present application, noun " network " and " system " are often used alternatingly, but those skilled in the art can To understand its meaning.
(2) term " multiple " refers to two or more in the embodiment of the present application, and other quantifiers are similar therewith.
(3) "and/or" describes the incidence relation of affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, Can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Character "/" typicallys represent forward-backward correlation pair As if a kind of relationship of "or".
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description.
It should be noted that described in the embodiment of the present invention " the first reference signal be associated with the second reference signal " one A little specific embodiments include but is not limited to:
Base station indicates that resource corresponding to the first reference signal is related to the second reference signal resource by signaling to terminal Connection, such as the first reference signal are SRS signal, and the second reference signal is CSI-RS signal.First reference signal and the second reference Signal is associated as being associated with for SRS resource and CSI-RS resource, i.e. some SRS resource ID and a CSI-RS Resource ID is associated, i.e., corresponding to the SRS transmission of the SRS resource ID and corresponding to the CSI-RS resource The CSI-RS transmission of ID has incidence relation；Alternatively,
Resource set where base station indicates resource corresponding to the first reference signal by from signaling to terminal is referred to second Signal resource is associated, such as the first reference signal is SRS signal, and the second reference signal is CSI-RS signal.First with reference to letter Number with the associated concrete mode of the second reference signal be SRS resource collection (SRS resource set) and CSI-RS resource pass Connection, i.e., some SRS resource set ID is associated with a CSI-RS resource ID, i.e. corresponding SRS resource The SRS transmission and the CSI-RS transmission corresponding to the CSI-RS resource ID for belonging to the SRS resource set ID have It is relevant；Alternatively,
Resource set where base station indicates resource corresponding to the first reference signal by from signaling to terminal is referred to second Signal resource is associated, such as the first reference signal is SRS signal, and the second reference signal is CSI-RS signal.First with reference to letter Number with the associated concrete mode of the second reference signal be SRS resource collection (SRS resource set) and CSI-RS resource collection pass Connection, i.e., some SRS resource set ID is associated with a CSI-RS resource set ID, i.e. corresponding SRS Resource belongs to the SRS transmission of the SRS resource set ID and corresponding CSI-RS resource belongs to the CSI-RS The CSI-RS transmission of resource set ID has incidence relation.
It is a kind of schematic diagram of possible communication scenes provided by the embodiments of the present application referring to Fig. 1.As shown in Figure 1, terminal 110 are linked into wireless network by wireless access network (radio access network, RAN) node 120, to pass through wireless network Network obtains the service of outer net (such as internet), or is communicated by wireless network with other terminals.
Wherein, terminal be also referred to as user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT) etc., is a kind of equipment for providing a user voice and/or data connectivity, For example, handheld device, mobile unit etc. with wireless connecting function.Currently, the citing of some terminals are as follows: mobile phone (mobile phone), tablet computer, laptop, palm PC, mobile internet device (mobile internet Device, MID), wearable device, virtual reality (virtual reality, VR) equipment, augmented reality (augmented Reality, AR) equipment, the wireless terminal in Industry Control (industrial control), unmanned (self Driving the wireless terminal in wireless terminal, remote operation (remote medical surgery) in), smart grid The wireless terminal in wireless terminal, transportation safety (transportation safety) in (smart grid), smart city The wireless terminal etc. in wireless terminal, wisdom family (smart home) in (smart city).
RAN is the part that terminal is linked into wireless network in network.RAN node (or equipment) is in wireless access network Node (or equipment), and it is properly termed as base station.Currently, the citing of some RAN nodes are as follows: gNB, transmission receiving point (transmission reception point, TRP), evolved node B (evolved Node B, eNB), wireless network control Device (radio network controller, RNC) processed, node B (Node B, NB), base station controller (base station Controller, BSC), base transceiver station (base transceiver station, BTS), Home eNodeB is (for example, home Evolved NodeB or home Node B, HNB), Base Band Unit (base band unit, BBU) or Wireless Fidelity (wireless fidelity, Wifi) access point (access point, AP) etc..In addition, RAN can in a kind of network structure To include centralized unit (centralized unit, CU) node and distribution unit (distributed unit, DU) node.
Above-mentioned communication construction can be the evolution of 5G system, long term evolution (Long Term Evolution, LTE) system Version or other orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) systems Or DFT spread-spectrum OFDM (Discrete Fourier Transform-Spread OFDM, DFT-S-OFDM) etc. The access network architecture in system.
The embodiment of the present application is described by taking base station and terminal as an example.
The network architecture of the embodiment of the present application description is the technical solution in order to more clearly illustrate the embodiment of the present application, The restriction to technical solution provided by the embodiments of the present application is not constituted, those of ordinary skill in the art are it is found that with network rack The differentiation of structure, technical solution provided by the embodiments of the present application are equally applicable for similar technical problem.
Precoding in the embodiment of the present application can be referred to as the precoding of analog domain；Alternatively, the precoding of numeric field；Or Person, the precoding of analog domain and numeric field mixing；Alternatively, being the wave beam forming of analog domain；Alternatively, the wave beam forming of numeric field； Alternatively, the wave beam forming of analog domain and numeric field mixing；Alternatively, wave beam forming.Limitation of the embodiment of the present application without title.
The embodiment of the present application is described in detail with reference to the accompanying drawing.
It referring to fig. 2, is the transmission flow schematic diagram of uplink reference signals provided by the embodiments of the present application.
In the embodiment of the present application, the first reference signal is uplink reference signals, for example the uplink reference signals can wrap Include SRS.Second reference signal is downlink reference signal, for example the downlink reference signal may include CSI-RS.The application is real Example is applied to the type of the first reference signal and the second reference signal with no restriction.
In the embodiment of the present application, the second reference signal can be associated with the first reference signal.It is referred to one first Associated second reference signal of signal can be configured by base station by high-level signaling.It base station can be in advance by the second reference The mark of signal and the mark of the first reference signal are associated, and will be referred to the mark of the first reference signal associated second The mark of signal is sent to terminal.
The process can include:
S201: base station sends the triggering of the first reference signal or activation signaling to terminal.
Optionally, base station can be sent by Downlink Control Information (downlink control information, DCI) First reference signal triggering or activation signaling.Here, " triggering of the first reference signal or activation signaling " is used for and " the second reference Signal triggering or activation signaling " is mutually distinguished, that is, is used for two different signalings of subregion.It should be noted that the embodiment of the present application In, the naming method of " the first reference signal triggers or activation signaling " and " the second reference signal triggers or activation signaling " is not made Limitation.
Optionally, the first reference signal triggering or activation signaling are used to indicate the terminal according to the first reference signal Resource allocation information send the first reference signal.
Wherein, the resource allocation information of first reference signal may include the resource and/or resource of the first reference signal Collection.Wherein, the resource set of the first reference signal may include the resource of one or more first reference signals, and one first with reference to letter Number resource may include one or more resource configuration parameters.For example, by taking SRS as an example, a SRS resource collection (SRS Resource set) may include the configuration of one or more SRS resources, may include in a SRS resource configuration SRS port number, When field type instruction, the running time-frequency resource position of the period of SRS, SRS in a time slot (slot) etc. of SRS.It needs to illustrate It is that in the embodiment of the present application, the triggering of the first reference signal or activation signaling can correspond to a triggering information while triggering The transmission of multiple reference signals or a triggering information only trigger the transmission of a reference signal, and the embodiment of the present application does not limit It is fixed.
The resource allocation information of first reference signal can be terminal configuration by base station.
In the embodiment of the present application, for convenience of description, the first reference signal is triggered or is activated the sending time unit of signaling, Referred to as n-th of time quantum, n can be the number of time quantum.The time quantum can be time slot or other granularities when Between unit.By taking SRS as an example, in S201, base station for the SRS resource or SRS resource collection that are configured for terminal, slot n to Terminal sends SRS triggering or activation signaling.
S202: after terminal receives the triggering of the first reference signal or activation signaling, first is sent with reference to letter according to the signaling Number.
In the step, terminal can be according to the starting sending time list with associated second reference signal of the first reference signal Member determines the starting sending time unit of the first reference signal, that is, determine triggered time and the sending time of the first reference signal Sequential relationship send the first reference and according to the resource allocation information of the sequential relationship determined and the first reference signal Signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer.
Optionally, the starting sending time unit of first reference signal is the global number satisfaction in all radio frames Time slot where first symbol of y+X, wherein X is the integer more than or equal to 0, and y is what second reference signal occupied Global number of the symbol in all radio frames.Symbol by taking a time slot (slot) includes 14 symbols as an example, in slot 0 Number is [0,1,2 ... 14], the symbol number in slot n are as follows: [n*14+1, n*14+2 ..., n*14+14].In this scheme Under, if the symbol in the global number y+x of all radio frames is not uplink symbol, terminal can abandon this time first with reference to letter Number triggering signaling indicated by the first reference signal transmission；Correspondingly, base station is assumed without triggering for the first reference signal of this time Distribution is for sending the ascending resource of the first reference signal.
Optionally, the value of the X can be made an appointment by base station and terminal, and value is fixed value.The value of the X can also To be base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the X to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the X.For example, base station can be by DCI 'sA bit indicates the value of X, wherein M is the number of the possibility value of predefined X.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the X.Wherein, the high level Signaling may include wireless heterogeneous networks (Radio Resource Control, RRC) signaling or media access control (Media Access Control, MAC) signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the X, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M X's by RRC signaling Possible value, then by DCIA bit indicates the specific value of X.
Above-mentioned base station can enable base station configure the first reference for greater flexibility by signaling the scheme of the value of X Sequential relationship between the triggering and transmission of signal, to adapt to different demands.
Optionally, the value of the X and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) reporting types configuration parameters it is related.With the second reference signal be CSI-RS as an example, X is one upper with CSI-RS Report the relevant value of type configuration.For example, if report configuration (such as the ReportConfig in 5G system) of the CSI-RS is to be somebody's turn to do CSI-RS reports (such as being configured as " No Report " in 5G system) without CSI, then X value is X1；If the CSI-RS Report configuration (such as ReportConfig in 5G system) be that the CSI-RS carries out CSI and reports (such as the quilt in 5G system Configuration is for the configuration other than " No Report "), then X value is X2.Wherein X1 is an integer not less than 0, and X2 is one Positive integer not equal to X1.
Optionally, the starting sending time unit of first reference signal is the sending time slots of second reference signal Z time slot and its later first ascending time slot in time slot afterwards, wherein Z is the integer more than or equal to 0.That is, described The starting sending time unit of one reference signal is that time-gap number meets first ascending time slot of m+z, wherein m is described the The number of the sending time slots of two reference signals, z are the integer more than or equal to Z, and Z is the integer more than or equal to 0.Wherein, full First ascending time slot of sufficient m+z, can be m+z ascending time slot or ascending time slot thereafter.
Optionally, the starting sending time unit of first reference signal is the sending time slots of second reference signal The Z time slot afterwards, wherein Z is the integer more than or equal to 0.That is, the starting sending time unit of first reference signal The time slot for being m+Z for time-gap number, wherein m is the number of the sending time slots of second reference signal, and Z is more than or equal to 0 Integer.In suc scheme, if the time slot that time-gap number is m+Z is not ascending time slot, terminal can abandon this time first Reference signal triggers the first reference signal transmission indicated by signaling；Correspondingly, base station is assumed without being this time first with reference to letter Number triggering distribution is for sending the ascending resource of the first reference signal.
Optionally, the value of the Z can be made an appointment by base station and terminal, and the value of Z is fixed value.The value of the Z It is also possible to base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the Z to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the Z.For example, base station can be by DCI 'sA bit indicates the value of Z, wherein M is the number of the possibility value of predefined Z.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the Z.Wherein, the high level Signaling may include RRC signaling or MAC signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the Z, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M Z's by RRC signaling Possible value, then by DCIA bit indicates the specific value of Z.
Above-mentioned base station can enable base station configure the first reference for greater flexibility by signaling the scheme of the value of Z Sequential relationship between the triggering and transmission of signal, to adapt to different demands.
Optionally, the value of the Z and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) reporting types configuration parameters it is related.With the second reference signal be CSI-RS as an example, if the CSI-RS's reports configuration (such as ReportConfig in 5G system) is that the CSI-RS is reported without CSI and (such as is configured as " No in 5G system Report "), then the value of Z is Z1；If report configuration (such as the ReportConfig in 5G system) of the CSI-RS is to be somebody's turn to do CSI-RS carries out CSI and reports (such as being configured in 5G system for the configuration other than " No Report "), then the value of Z is Z2.Wherein Z1 is an integer not less than 0, and Z2 is the positive integer for being not equal to X1.
Optionally, the value of the Z and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) report resource allocation parameters related.With the second reference signal be CSI-RS as an example, if make an appointment or base station instruction The CSI of the terminal CSI-RS reports t-th time slot of the resource after the CSI-RS sending time slots.Then Z=t+Q, wherein Q is preparatory The value that the value of agreement or base station are indicated to terminal.
Optionally, terminal (can herein refer to and the first reference signal according to the second reference signal of specified time range reception Associated second reference signal) time location, determine the starting sending time unit of the first reference signal.Optionally, second The time location of reference signal is the primary sign of the second reference signal transmission, alternatively, the time location of the second reference signal is The last symbol of second reference signal transmission, alternatively, the time location of the second reference signal is the second reference signal transmission The time slot at place.
In some embodiments, before the starting sending time unit of the first reference signal can be according to n-th of time quantum, And the nearest time location with associated second reference signal of first reference signal of n-th of time quantum of distance determines , wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling.For example, The time quantum and resource ID of the triggering of the first reference signal or activation signaling are received using n-th of time quantum as terminal CSI-RS for associated CSI-RS resource ID is and SRS (i.e. the first reference signal) associated second is referred to For signal, before terminal can be according to n-th of time quantum, and n-th of time quantum of distance is nearest or distance first is with reference to letter First nearest resource ID received of the sending instant of number triggering or activation signaling is associated CSI-RS The time location of the CSI-RS of resource ID determines the starting sending time unit of SRS.
In other examples, the starting sending time unit of the first reference signal can be arrived according to the n-th+K1 time quantums When the starting of the last one sent in the n-th+K2 time quantums and associated second reference signal of the first reference signal is sent Between unit determine, alternatively, the starting sending time unit of first reference signal be according to the n-th+K2 time quantums it What the initial time unit of the last one of preceding transmission and associated second reference signal of first reference signal determined, In, n identifies the number of the sending time unit of the first reference signal triggering or activation signaling, and K2 is more than or equal to 0 Integer.Wherein, n identifies the number of the sending time unit of the triggering of the first reference signal or activation signaling, and K1 is more than or equal to 0 Integer or minus integer, K2 is integer more than or equal to 0.Wherein, K1, K2 can be the preset value of terminal, can also To be terminal and value that base station is made an appointment or base station are indicated to by signaling the value of terminal.For example, with n-th Time quantum is that terminal receives the time quantum of the triggering of the first reference signal or activation signaling and resource ID is The CSI-RS of associated CSI-RS resource ID is to close with the resource allocation information of SRS (i.e. the first reference signal) Connection the second reference signal for, terminal can be received in [n-K1, n+K2] range according to time-gap number the last one Resource ID is the time location of the CSI-RS of associated CSI-RS resource ID, determines that rising for SRS originates Send time quantum.
S203: base station receives the first reference signal that terminal triggers or activate signaling to send according to the first reference signal.
In the step, base station can be according to the starting sending time list with associated second reference signal of the first reference signal Member, determine the first reference signal sending time unit or the first reference signal receiving time unit (the first reference signal Sending time unit, the receiving time unit with the first reference signal, two kinds of statement equivalent equivalences), that is, determine the first reference letter Number triggered time and sending time sequential relationship, and according to the sequential relationship determined and the resource of the first reference signal Configuration information receives the first reference signal that terminal is sent.Base station determines the starting sending time unit of the first reference signal Method is identical as the method that terminal uses.
Above-described embodiment of the application, the reference signal transmission fixed relative to front and the sequential relationship between triggering, base Stand can at the time of triggering the first reference signal transmission or before, activate the second reference signal transmission associated there, from And terminal is allow quickly to carry out the transmission of the first reference signal, thus more flexible.
Optionally, terminal can determine the first reference letter according to the reception information and/or channel information of the second reference signal Number precoding, and the first reference signal prelist after processing with the precoding determined, first after sending precoding Reference signal.Since the reception information and/or channel information of the second reference signal can reflect the state of present channel, root The precoding of first reference signal determined by reception information and/or channel information according to the second reference signal, can with it is current Channel status matching, so that the first reference signal is sent after being handled using the precoding, can be improved the first reference signal Transmission performance.
Optionally, terminal can be referred to according to range reception at the appointed time to the first reference signal associated second The reception information and/or channel information of signal, determine the precoding of the first reference signal.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: first transmission after n-th of time quantum second with reference to letter Number.Wherein, n-th of time quantum is the sending time unit that the first reference signal triggered or activated signaling.For example, resource The CSI-RS that ID is associated CSI-RS resource ID be with associated second reference signal of SRS, then terminal can root The CSI- that first resource ID after triggering or activating signaling according to SRS is associated CSI-RS resource ID The reception information and/or channel information of RS, determines the precoding of SRS.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: before n-th of time quantum and n-th of time quantum of distance is nearest Second reference signal.Wherein, n-th of time quantum is the sending time unit that the first reference signal triggered or activated signaling.Example Such as, the CSI-RS that resource ID is associated CSI-RS resource ID is with SRS associated second with reference to letter Number, then before terminal can trigger according to SRS or activate signaling, distance SRS triggering or nearest first of activation signaling are received Resource ID be associated CSI-RS resource ID CSI-RS reception information and/or channel information, Determine the precoding of SRS.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: within the scope of the n-th+K1 time quantums and the n-th+K2 time quantums The second reference signal of the last one received.Wherein, n-th of time quantum is the hair that the first reference signal triggered or activated signaling Time quantum is sent, T1 is the integer more than or equal to 0, and T1 is the integer more than or equal to 0, and T1 is greater than T2.For example, resource The CSI-RS that ID is associated CSI-RS resource ID is and the resource allocation information of SRS associated second refers to The sending time slots of signal, SRS triggering or activation signaling are time slot n, then terminal can be according to receiving in time slot [n-K1, n+K2] The last one resource ID is the reception information and/or channel of the CSI-RS of associated CSI-RS resource ID Information determines the precoding of SRS.
Optionally, in some embodiments, terminal receive with after associated second reference signal of the first reference signal, The reception information and/or channel of second reference signal can be retained a period of time, in case subsequent base stations send first with reference to letter Number triggering or activation signaling when, terminal can determine the precoding of the first reference signal according to the above- mentioned information of preservation.
Further, after terminal receives new the second reference signal associated with the first reference signal, terminal can be with The reception information and/or channel information of the second reference signal retained before abandoning, and retain newly receive second with reference to letter Number reception information and/or channel information.
Optionally, in further embodiments, terminal is receiving and associated second reference signal of the first reference signal Afterwards, the precoding of the first reference signal can be determined according to the reception information and/or channel information of second reference signal, and should Precoding retains a period of time, and when in case subsequent base stations sending the triggering of the first reference signal or activation signaling, terminal can basis The precoding of preservation carries out precoding processing to the first reference signal.
Further, after terminal receives new the second reference signal associated with the first reference signal, terminal can be with The first reference signal that the reception information and/or channel information based on the second reference signal retained before abandoning is calculated Precoding, and retain first be calculated according to the reception information and/or channel information of the second reference signal newly received The precoding of reference signal.
Optionally, on the basis of the various embodiments described above, the triggering of the first reference signal or activate signaling both that base station is sent It may be used to indicate terminal and the first reference signal sent according to the resource allocation information of the first reference signal, may be used to indicate that end End receives and associated second reference signal of first reference signal.Base station is referred to the first reference signal associated second The starting sending time unit of signal starts, and sends and associated second reference signal of the first reference signal to terminal.
Optionally, the starting sending time unit of second reference signal is that first reference signal is triggered or activated R time slot and its first descending time slot in time slot later after signaling sending time slots, wherein R is whole more than or equal to 0 Number；Or the starting sending time unit of second reference signal is that first reference signal triggers or activate signaling hair The R time slot after time slot is sent, wherein R is the integer more than or equal to 0.
Optionally, the starting sending time unit of second reference signal is first downgoing time unit for meeting n+r, Wherein, r is the integer more than or equal to R, and R is the integer more than or equal to 0.Particularly, R=0.Correspondingly, terminal can be from The transmission start unit of second reference signal start to receive with associated second reference signal of the first reference signal, and can be into One step determines the precoding of the first reference signal according to the reception information and/or channel information of second reference signal.
Wherein, first downgoing time unit for meeting n+r, can be since the n-th+r time quantum backward when Between in unit first can send the time quantum of the first reference signal.For example, meeting under first of n+r if r=R Row time quantum can be the n-th+R time quantums (if the time quantum is downgoing time unit), if the n-th+R times are single Member is not downgoing time unit, then first downgoing time unit thereafter is the sending time unit of the second reference signal.
Optionally, the value of the R can be made an appointment by base station and terminal.The value of the R is also possible to base station and passes through It signals to terminal.
Optionally, base station can in the following manner notify the value of the R to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the R.For example, base station can be by DCI 'sA bit indicates the value of R, wherein M is the number of the possibility value of predefined R.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the R.Wherein, the high level Signaling may include RRC signaling or MAC signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the R, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M R's by RRC signaling Possible value, then by DCIA bit indicates the specific value of R.
Optionally, no matter base station it is current or before whether trigger or have activated and the first reference signal associated second The transmission of reference signal, the transmittable first reference signal triggering in base station or activation signaling, with instruction terminal according to the first reference The resource allocation information of signal sends the first reference signal and instruction terminal receives and associated second ginseng of the first reference signal Examine signal.
Optionally, the triggering of the first reference signal or activation signaling that base station is sent to terminal, can have in varied situations Different meanings, in some cases, first reference signal triggering or activation signaling are used to indicate terminal according to the first reference The resource allocation information of signal sends the first reference signal, in other cases, first reference signal triggering or activation letter Order be used to indicate terminal according to the resource allocation information of the first reference signal send the first reference signal, and instruction terminal receive with Associated second reference signal of first reference signal.
In some embodiments, if time of the base station between the n-th-T3 time quantums and the n-th+T4 time quantums Unit to terminal have sent with associated second reference signal of the first reference signal, then the first reference signal triggering or activation signaling It is only used for instruction terminal and the first reference signal is sent according to the resource allocation information of the first reference signal.
If time quantum of the base station between the n-th-T3 time quantums and the n-th+T4 time quantums is not sent out to terminal Send with associated second reference signal of the first reference signal, then the first reference signal triggering or activation signaling be applied not only to instruction eventually End sends the first reference signal according to the resource allocation information of the first reference signal, is also used to instruction terminal and receives and described first Associated second reference signal of reference signal.Base station starts to send in the time quantum for meeting n+r to be associated with the first reference signal The second reference signal.Correspondingly, terminal starts to receive and the first reference signal associated second in the time quantum for meeting n+r Reference signal, and further can determine that the first reference is believed according to the reception information and/or channel information of second reference signal Number precoding.Wherein, r >=R, T4≤R, T4 >=0, n-T3≤n+T4.As a special case, T4=0.
In further embodiments, if base station between the n-th-T5 time quantums and the n-th+T6 time quantums when Between unit to terminal have sent the second reference signal triggering or activation signaling (signaling be used to indicate terminal receive with first reference Associated second reference signal of signal), then the triggering of the first reference signal or activation signaling are only used for instruction terminal according to the first ginseng The resource allocation information for examining signal sends the first reference signal.
If time quantum of the base station between the n-th-T5 time quantums and the n-th+T6 time quantums is not sent out to terminal Send the second reference signal trigger or activation signaling, then the first reference signal triggering or activation signaling be applied not only to instruction terminal according to The resource allocation information of first reference signal sends the first reference signal, is also used to instruction terminal and receives with described first with reference to letter Number associated second reference signal.Correspondingly, terminal starts to receive and be associated with the first reference signal in the time quantum for meeting n+r The second reference signal, and further can determine first according to the reception information and/or channel information of second reference signal The precoding of reference signal.Wherein, r >=R, T6≤R, T6 >=0, n-T5≤n+T6.As a special case, T6=0.
Optionally, on the basis of the application any of the above-described embodiment, in order to avoid or reduce signal between resource contention, Terminal can send the first reference signal on some or all of the first reference signal distributed for it running time-frequency resource, and citing comes It says, it may include following situations:
Situation 1a: terminal since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource not clashed in frequency resource with any other uplink signal, the first reference signal resource is sent.It is with SRS Example, if the running time-frequency resource of SRS does not conflict with other uplink signals, then terminal on running time-frequency resource since the starting time slots of SRS SRS is sent on the running time-frequency resource of SRS.
Situation 2a: terminal since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the first uplink signal, the first reference signal resource is sent, wherein described first The priority of uplink signal is lower than first reference signal.By taking SRS as an example, if the time-frequency since the starting time slots of SRS provides On source, running time-frequency resource and some or all of other uplink signals running time-frequency resource of SRS is clashed, but SRS is with higher Priority, then terminal sends SRS on the running time-frequency resource of SRS.
Situation 3a: terminal is since the initial time unit of the first reference signal, in first reference signal configuration On the running time-frequency resource clashed in running time-frequency resource with the second uplink signal, the first reference signal is not sent, wherein described second The priority of uplink signal is higher than first reference signal.By taking SRS as an example, if the time-frequency since the starting time slots of SRS provides On source, running time-frequency resource and some or all of other uplink signals running time-frequency resource of SRS is clashed, and SRS is with lower Priority, then terminal sends SRS on the SRS running time-frequency resource not clashed, and does not send in the SRS resource clashed SRS。
Correspondingly, base station can according to the resource contention situation between signal, in the part distributed for the first reference signal or The first reference signal that terminal is sent is received on whole running time-frequency resources, for example, may include following situations:
Situation 1b: base station since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource not clashed in frequency resource with any other uplink signal, the first reference signal that terminal is sent is received；
Situation 2b: base station since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the first uplink signal, the first reference signal that terminal is sent is received, wherein the The priority of one uplink signal is lower than the first reference signal.
Situation 3b: base station since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the second uplink signal, abandon receiving the first reference signal that terminal is sent, In, the priority of the second uplink signal is higher than the first reference signal.
Optionally, sending and receiving for reference signal needs to consider analog beam figuration.Join to terminal instruction first base station Examine the wave beam forming information and the received wave beam forming information of the second reference signal of signal transmission.Specifically, the wave beam is assigned Shape information can indicate to realize with associated QCL (quasi-colocation) signal is referred to.For example, the first reference signal For SRS signal, the SRS of base station instruction and SRS resource (being denoted as SRS resource 1) space QCL corresponding to the SRS signal Resource 2, i.e. instruction terminal use transmission wave beam identical with SRS resource 2 carry out SRS transmission.Optionally, when base station refers to terminal Show wave beam forming information and the received wave beam forming information of the second reference signal that the first reference signal is sent, and the first ginseng Examine signal it is associated with the second reference signal when, terminal using base station indicate the first reference signal transmission wave beam forming information Carry out the reception of the second reference signal.
It is the transmission flow schematic diagram of downlink reference signal provided by the embodiments of the present application referring to Fig. 3.
In the embodiment of the present application, the first reference signal is downlink reference signal, for example the downlink reference signal can wrap Include CSI-RS.Second reference signal is uplink reference signals, for example the downlink reference signal may include SRS.The application is real Example is applied to the type of the first reference signal and the second reference signal with no restriction.
In the embodiment of the present application, the second reference signal can be associated with the first reference signal.It is referred to one first Associated second reference signal of signal can be configured by base station by high-level signaling.It base station can be in advance by the second reference The mark of signal and the mark of the first reference signal are associated, and will be referred to the mark of the first reference signal associated second The mark of signal is sent to terminal.
The process can include:
S301: base station sends the triggering of the first reference signal or activation signaling to terminal.
Optionally, base station can send first reference signal triggering or activation signaling by DCI.Here, " the first reference Signal triggering or activation signaling " with " triggering of the second reference signal or activation signaling " for mutually distinguishing, i.e., not for subregion two Same signaling.It should be noted that in the embodiment of the present application, to " the first reference signal triggers or activation signaling " and " the second ginseng Examine signal triggering or activation signaling " naming method with no restriction.
Optionally, the first reference signal triggering or activation signaling are used to indicate the terminal according to the first reference signal Resource allocation information receive the first reference signal.
Wherein, the resource allocation information of first reference signal may include the resource and/or resource of the first reference signal Collection.Wherein, the resource set of the first reference signal may include the resource of one or more first reference signals, and one first with reference to letter Number resource may include one or more resource configuration parameters.For example, by taking CSI-RS as an example, a CSI-RS resource collection (CSI- RS resource set) it may include one or more CSI-RS resource configurations, it may include in a CSI-RS resource configuration When the field type instruction, the time-frequency of the period of CSI-RS, CSI-RS in a time slot (slot) of CSI-RS port number, CSI-RS Resource location etc..It should be noted that the triggering of the first reference signal or activation signaling can correspond in the embodiment of the present application One triggering information triggers the transmission of multiple reference signals simultaneously or one is triggered the biography that information only triggers a reference signal Defeated, the embodiment of the present application is without limitation.
The resource allocation information of first reference signal can be terminal configuration by base station.
In the embodiment of the present application, for convenience of description, the first reference signal is triggered or is activated the sending time unit of signaling, Referred to as n-th of time quantum, n can be the number of time quantum.The time quantum can be time slot or other granularities when Between unit.By taking CSI-RS as an example, in S201, base station for the CSI-RS resource or SRS resource collection that are configured for terminal, Slot n sends CSI-RS triggering or activation signaling to terminal.
S302: after terminal receives the triggering of the first reference signal or activation signaling, receive what base station was sent according to the signaling First reference signal.
In the step, terminal can be according to the starting sending time list with associated second reference signal of the first reference signal Member determines the starting sending time unit of the first reference signal, that is, determine triggered time and the sending time of the first reference signal Sequential relationship send the first reference and according to the resource allocation information of the sequential relationship determined and the first reference signal Signal.
Optionally, the starting sending time unit of first reference signal is that the transmission of second reference signal originates Time slot after symbol in X symbol and its symbol later where first uplink symbol, wherein X is more than or equal to 0 Integer.
Optionally, the starting sending time unit of first reference signal is the global number satisfaction in all radio frames Time slot where first symbol of y+X, wherein X is the integer more than or equal to 0, and y is what second reference signal occupied Global number of the symbol in all radio frames.Symbol by taking a time slot (slot) includes 14 symbols as an example, in slot 0 Number is [0,1,2 ... 14], the symbol number in slot n are as follows: [n*14+1, n*14+2 ..., n*14+14].In this scheme Under, if the symbol in the global number y+x of all radio frames is not uplink symbol, terminal can abandon this time first with reference to letter Number triggering signaling indicated by the first reference signal transmission；Correspondingly, base station is assumed without triggering for the first reference signal of this time Distribution is for sending the ascending resource of the first reference signal.
Optionally, the value of the X can be made an appointment by base station and terminal, and value is fixed value.The value of the X can also To be base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the X to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the X.For example, base station can be by DCI 'sA bit indicates the value of X, wherein M is the number of the possibility value of predefined X.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the X.Wherein, the high level Signaling may include RRC signaling or MAC signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the X, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M X's by RRC signaling Possible value, then by DCIA bit indicates the specific value of X.
Above-mentioned base station can enable base station configure the first reference for greater flexibility by signaling the scheme of the value of X Sequential relationship between the triggering and transmission of signal, to adapt to different demands.
Optionally, the value of the X and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) reporting types configuration parameters it is related.
Optionally, the starting sending time unit of first reference signal is the sending time slots of second reference signal Z time slot and its later first descending time slot in time slot afterwards, wherein Z is the integer more than or equal to 0.That is, described The starting sending time unit of one reference signal is that time-gap number meets first descending time slot of m+z, wherein m is described the The number of the sending time slots of two reference signals, z are the integer more than or equal to Z, and Z is the integer more than or equal to 0.Wherein, full First descending time slot of sufficient m+z, can be m+z descending time slot or ascending time slot thereafter.
Optionally, the starting sending time unit of first reference signal is the sending time slots of second reference signal The Z time slot afterwards, wherein Z is the integer more than or equal to 0.That is, the starting sending time unit of first reference signal The time slot for being m+Z for time-gap number, wherein m is the number of the sending time slots of second reference signal, and Z is more than or equal to 0 Integer.In suc scheme, if the time slot that time-gap number is m+Z is not descending time slot, terminal can abandon this time first Reference signal triggers the first reference signal indicated by signaling and receives；Correspondingly, base station is assumed without being this time first with reference to letter Number triggering distribution is for sending the ascending resource of the first reference signal.
Optionally, the value of the Z can be made an appointment by base station and terminal, and the value of Z is fixed value.The value of the Z It is also possible to base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the Z to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the Z.For example, base station can be by DCI 'sA bit indicates the value of Z, wherein M is the number of the possibility value of predefined Z.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the Z.Wherein, the high level Signaling may include RRC signaling or MAC signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the Z, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M Z's by RRC signaling Possible value, then by DCIA bit indicates the specific value of Z.
Above-mentioned base station can enable base station configure the first reference for greater flexibility by signaling the scheme of the value of Z Sequential relationship between the triggering and transmission of signal, to adapt to different demands.
Optionally, the value of the Z and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) reporting types configuration parameters it is related.
Optionally, the value of the Z and the second reference signal (are herein referred to the first reference signal associated second with reference to letter Number) report resource allocation parameters related.
Optionally, terminal (can herein refer to and the first reference signal according to the second reference signal of specified time range reception Associated second reference signal) time location, determine the starting sending time unit of the first reference signal.Optionally, second The time location of reference signal is the primary sign of the second reference signal transmission, alternatively, the time location of the second reference signal is The last symbol of second reference signal transmission, alternatively, the time location of the second reference signal is the second reference signal transmission The time slot at place.
In some embodiments, before the starting sending time unit of the first reference signal can be according to n-th of time quantum, And the nearest time location with associated second reference signal of first reference signal of n-th of time quantum of distance determines , wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling.For example, The time quantum and resource ID of the triggering of the first reference signal or activation signaling are received using n-th of time quantum as terminal It is and CSI-RS (i.e. the first reference signal) associated second reference signal for the SRS of associated SRS resource ID For, before terminal can be according to n-th of time quantum, and n-th of time quantum of distance is nearest or the first reference signal of distance is touched First nearest resource ID received of the sending instant of hair or activation signaling is associated SRS The time location of the SRS of resource ID determines the starting sending time unit of CSI-RS.
In other examples, the starting sending time unit of the first reference signal can be arrived according to the n-th+K1 time quantums When the starting of the last one sent in the n-th+K2 time quantums and associated second reference signal of the first reference signal is sent Between unit determine, alternatively, the starting sending time unit of first reference signal be according to the n-th+K2 time quantums it What the initial time unit of the last one of preceding transmission and associated second reference signal of first reference signal determined, In, n identifies the number of the sending time unit of the first reference signal triggering or activation signaling, and K2 is more than or equal to 0 Integer, wherein n identifies the number of the sending time unit of the triggering of the first reference signal or activation signaling, and K1 is more than or equal to 0 Integer can also be minus integer, K2 is the integer more than or equal to 0.Wherein, K1, K2 can be the preset value of terminal, It is also possible to terminal and value that base station is made an appointment or base station is indicated to the value of terminal by signaling.For example, with N time quantum is that terminal receives the time quantum of the triggering of the first reference signal or activation signaling and resource ID is The SRS of associated SRS resource ID is associated with the resource allocation information of CSI-RS (i.e. the first reference signal) For second reference signal, terminal can be received in [n-K1, n+K2] range according to time-gap number the last one Resource ID is the time location of the SRS of associated SRS resource ID, when determining that the starting of CSI-RS is sent Between unit.
S303: base station receives the first reference signal that terminal triggers or activate signaling to send according to the first reference signal.
In the step, base station can be according to the starting sending time list with associated second reference signal of the first reference signal Member, determine the first reference signal sending time unit or the first reference signal receiving time unit (the first reference signal Sending time unit, the receiving time unit with the first reference signal, two kinds of statement equivalent equivalences), that is, determine the first reference letter Number triggered time and sending time sequential relationship, and according to the sequential relationship determined and the resource of the first reference signal Configuration information receives the first reference signal that terminal is sent.Base station determines the starting sending time unit of the first reference signal Method is identical as the method that terminal uses.
Above-described embodiment of the application, the reference signal transmission fixed relative to front and the sequential relationship between triggering, base Stand can at the time of triggering the first reference signal transmission or before, activate the second reference signal transmission associated there, from And terminal is allow quickly to carry out the transmission of the first reference signal, thus more flexible.
Optionally, base station can determine the first reference letter according to the reception information and/or channel information of the second reference signal Number precoding, and the first reference signal prelist after processing with the precoding determined, first after sending precoding Reference signal.Since the reception information and/or channel information of the second reference signal can reflect the state of present channel, root The precoding of first reference signal determined by reception information and/or channel information according to the second reference signal, can with it is current Channel status matching, so that the first reference signal is sent after being handled using the precoding, can be improved the first reference signal Transmission performance.
Optionally, base station can be referred to according to range reception at the appointed time to the first reference signal associated second The reception information and/or channel information of signal, determine the precoding of the first reference signal.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: first transmission after n-th of time quantum second with reference to letter Number.Wherein, n-th of time quantum is the sending time unit that the first reference signal triggered or activated signaling.For example, resource The SRS that ID is associated SRS resource ID be with associated second reference signal of CSI-RS, then terminal can basis The SRS that first resource ID after CSI-RS triggering or activation signaling is associated SRS resource ID Information and/or channel information are received, determines the precoding of CSI-RS.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: before n-th of time quantum and n-th of time quantum of distance is nearest Second reference signal.Wherein, n-th of time quantum is the sending time unit that the first reference signal triggered or activated signaling.Example Such as, the SRS that resource ID is associated SRS resource ID be with associated second reference signal of CSI-RS, Before then base station can trigger according to CSI-RS or activate signaling, first reception of distance CSI-RS triggering or activation signaling recently The resource ID arrived is the reception information and/or channel information of the SRS of associated SRS resource ID, is determined The precoding of CSI-RS.
Optionally, which receives the second reference signal (the second reference signal here refer to Associated second reference signal of first reference signal) it include: within the scope of the n-th+K1 time quantums and the n-th+K2 time quantums The second reference signal of the last one received.Wherein, n-th of time quantum is the hair that the first reference signal triggered or activated signaling Time quantum is sent, T1 is the integer more than or equal to 0, and T1 is the integer more than or equal to 0, and T1 is greater than T2.For example, resource The SRS that ID is associated SRS resource ID is with the resource allocation information of CSI-RS associated second with reference to letter Number, the sending time slots of CSI-RS triggering or activation signaling are time slot n, then base station can be received according to time slot [n-K1, n+K2] is interior The last one resource ID be associated SRS resource ID SRS reception information and/or channel letter Breath, determines the precoding of CSI-RS.
Optionally, in some embodiments, base station receive with after associated second reference signal of the first reference signal, The reception information and/or channel of second reference signal can be retained a period of time, in case subsequent can be according to the above-mentioned of preservation Information determines the precoding of the first reference signal.
Further, after base station receives new the second reference signal associated with the first reference signal, base station can be with The reception information and/or channel information of the second reference signal retained before abandoning, and retain newly receive second with reference to letter Number reception information and/or channel information.
Optionally, in further embodiments, base station receive with after associated second reference signal of the first reference signal, The precoding of the first reference signal can be determined according to the reception information and/or channel information of second reference signal, and this is pre- Coding retains a period of time, in case subsequent can carry out precoding processing to the first reference signal according to the precoding of preservation.
Further, it after base station receives new the second reference signal associated with the first reference signal, can abandon The first reference signal that the reception information and/or channel information based on the second reference signal retained before is calculated prelists Code, and retain the first reference being calculated according to the reception information and/or channel information of the second reference signal newly received The precoding of signal.
Optionally, on the basis of the various embodiments described above, the triggering of the first reference signal or activate signaling both that base station is sent It may be used to indicate terminal and the first reference signal received according to the resource allocation information of the first reference signal, may be used to indicate that end End is sent and associated second reference signal of first reference signal.Terminal is referred to the first reference signal associated second The starting sending time unit of signal starts, and sends and associated second reference signal of the first reference signal to base station.
Optionally, the starting sending time unit of second reference signal is that first reference signal is triggered or activated R time slot and its first ascending time slot in time slot later after signaling sending time slots, wherein R is whole more than or equal to 0 Number；Or the starting sending time unit of second reference signal is that first reference signal triggers or activate signaling hair The R time slot after time slot is sent, wherein R is the integer more than or equal to 0.
Optionally, the starting sending time unit of second reference signal is first upstream time unit for meeting n+r, Wherein, r is the integer more than or equal to R, and R is the integer more than or equal to 0.Particularly, R=0.Correspondingly, base station can be from The transmission start unit of second reference signal start to receive with associated second reference signal of the first reference signal, and can be into One step determines the precoding of the first reference signal according to the reception information and/or channel information of second reference signal.
Wherein, first upstream time unit for meeting n+r, can be since the n-th+r time quantum backward when Between in unit first can send the time quantum of the first reference signal.For example, meeting on first of n+r if r=R Row time quantum can be the n-th+R time quantums (if the time quantum is upstream time unit), if the n-th+R times are single Member is not upstream time unit, then first upstream time unit thereafter is the sending time unit of the second reference signal.
Optionally, the value of the R can be made an appointment by base station and terminal.The value of the R is also possible to base station and passes through It signals to terminal.
Optionally, base station can in the following manner notify the value of the R to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the R.For example, base station can be by DCI 'sA bit indicates the value of R, wherein M is the number of the possibility value of predefined R.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the R.Wherein, the high level Signaling may include RRC signaling or MAC signaling.The embodiment of the present application to the type of high-level signaling with no restriction.
Mode 3: base station sends high-level signaling to terminal and DCI, the high-level signaling carry multiple values of the R, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M R's by RRC signaling Possible value, then by DCIA bit indicates the specific value of R.
Optionally, no matter base station it is current or before whether trigger or have activated and the first reference signal associated second The transmission of reference signal, the transmittable first reference signal triggering in base station or activation signaling, with instruction terminal according to the first reference The resource allocation information of signal receives the first reference signal and instruction terminal is sent and associated second ginseng of the first reference signal Examine signal.
Optionally, the triggering of the first reference signal or activation signaling that base station is sent to terminal, can have in varied situations Different meanings, in some cases, first reference signal triggering or activation signaling are used to indicate terminal according to the first reference The resource allocation information of signal receives the first reference signal, in other cases, first reference signal triggering or activation letter Order be used to indicate terminal according to the resource allocation information of the first reference signal receive the first reference signal, and instruction terminal send with Associated second reference signal of first reference signal.
In some embodiments, if time of the terminal between the n-th-T3 time quantums and the n-th+T4 time quantums Unit to base station have sent with associated second reference signal of the first reference signal, then the first reference signal triggering or activation signaling It is only used for instruction terminal and the first reference signal is received according to the resource allocation information of the first reference signal.
If time quantum of the terminal between the n-th-T3 time quantums and the n-th+T4 time quantums is not sent out to base station Send with associated second reference signal of the first reference signal, then the first reference signal triggering or activation signaling be applied not only to instruction eventually End receives the first reference signal according to the resource allocation information of the first reference signal, is also used to instruction terminal and sends and described first Associated second reference signal of reference signal.Terminal starts to send and the first ginseng in first upstream time unit for meeting n+r Examine associated second reference signal of signal.Correspondingly, base station starts to receive and the in first upstream time unit for meeting n+r Associated second reference signal of one reference signal, and can be further according to the reception information and/or letter of second reference signal Road information determines the precoding of the first reference signal.Wherein, r >=R, T4≤R, T4 >=0, n-T3≤n+T4.As a special case, T4=0.
In further embodiments, if terminal between the n-th-T5 time quantums and the n-th+T6 time quantums when Between unit to base station have sent the second reference signal triggering or activation signaling (signaling be used to indicate terminal receive with first reference Associated second reference signal of signal), then the triggering of the first reference signal or activation signaling are only used for instruction terminal according to the first ginseng The resource allocation information for examining signal receives the first reference signal.
If time quantum of the terminal between the n-th-T5 time quantums and the n-th+T6 time quantums is not sent out to base station Send the second reference signal trigger or activation signaling, then the first reference signal triggering or activation signaling be applied not only to instruction terminal according to The resource allocation information of first reference signal receives the first reference signal, is also used to instruction terminal and sends with described first with reference to letter Number associated second reference signal.Correspondingly, base station starts to receive and the first ginseng in first upstream time unit for meeting n+r Associated second reference signal of signal is examined, and can further be believed according to the reception information and/or channel of second reference signal Cease the precoding for determining the first reference signal.Wherein, r >=R, T6≤R, T6 >=0, n-T5≤n+T6.As a special case, T6= 0。
Optionally, on the basis of the application any of the above-described embodiment, in order to avoid or reduce signal between resource contention, Base station can send the first reference signal on some or all of the first reference signal distributed for it running time-frequency resource, and citing comes It says, it may include following situations:
Situation 1a: base station since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource not clashed in frequency resource with any other downlink signal, the first reference signal resource is sent.With CSI- For RS, if on running time-frequency resource since the starting time slots of CSI-RS, the running time-frequency resource of CSI-RS and other uplink signals are not Conflict, then base station sends CSI-RS on the running time-frequency resource of CSI-RS.
Situation 2a: base station since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the first downlink signal, the first reference signal resource is sent, wherein described first The priority of downlink signal is lower than first reference signal.By taking CSI-RS as an example, if since the starting time slots of CSI-RS On running time-frequency resource, running time-frequency resource and some or all of other downlink signals running time-frequency resource of CSI-RS is clashed, but CSI- RS priority with higher, then terminal sends CSI-RS on the running time-frequency resource of CSI-RS.
Situation 3a: base station is since the initial time unit of the first reference signal, in first reference signal configuration On the running time-frequency resource clashed in running time-frequency resource with the second downlink signal, the first reference signal is not sent, wherein described second The priority of downlink signal is higher than first reference signal.By taking CSI-RS as an example, if since the starting time slots of CSI-RS On running time-frequency resource, running time-frequency resource and some or all of other downlink signals running time-frequency resource of SRS is clashed, and CSI-RS has There is lower priority, then base station sends CSI-RS on the CSI-RS running time-frequency resource not clashed, what is clashed SRS is not sent in CSI-RS resource.
Correspondingly, terminal can according to the resource contention situation between signal, in the part distributed for the first reference signal or The first reference signal that base station is sent is received on whole running time-frequency resources, for example, may include following situations:
Situation 1b: terminal since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource not clashed in frequency resource with any other downlink signal, the first reference signal that base station is sent is received；
Situation 2b: terminal since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the first downlink signal, the first reference signal that base station is sent is received, wherein the The priority of one downlink signal is lower than the first reference signal.
Situation 3b: in since the initial time unit of the first reference signal, for the first reference signal configuration when On the running time-frequency resource clashed in frequency resource with the second downlink signal, abandon receiving the first reference signal that base station is sent, In, the priority of the second downlink signal is higher than the first reference signal.
Optionally, sending and receiving for reference signal needs to consider analog beam figuration.Base station is to terminal instruction for the The reception wave beam forming information of one reference signal, and the transmission wave beam forming information for the second reference signal.Specifically, institute Stating wave beam forming information can indicate to realize with associated QCL (quasi-colocation) signal is referred to.For example, first Reference signal is CSI-RS signal, and base station instruction (is denoted as CSI- with CSI-RS resource corresponding to the CSI-RS signal RS resource 1) space QCL CSI-RS resource 2, i.e. identical with the CSI-RS resource 2 reception wave beam of instruction terminal use carries out CSI-RS transmission.Optionally, the reception wave beam forming information when base station to terminal instruction for the first reference signal, and be used for The transmission wave beam forming information of second reference signal, and when the first reference signal is associated with the second reference signal, base station uses The transmission for receiving wave beam forming and carrying out the second reference signal for the first reference signal.
Based on the same technical idea, the embodiment of the present application also provides a kind of base station, it can be achieved that in above-described embodiment The transmission of row reference signal.
It referring to fig. 4, is the structural schematic diagram of the base station, the base station can include: sending module 401, receiving module 402.
Sending module 401, for sending the triggering of the first reference signal or activation signaling, first reference signal to terminal Triggering or activation signaling are used to indicate the terminal and send the first reference signal according to the resource allocation information of the first reference signal；
Receiving module 402 triggers or activates signaling to send for receiving the terminal according to first reference signal First reference signal；Wherein, the starting sending time unit of first reference signal is closed according to first reference signal The starting sending time unit of second reference signal of connection determines that second reference signal is downlink reference signal.
The correlation that the function of the realization of the above-mentioned module of the device can be found in aforementioned uplink reference signals transmission embodiment is retouched It states, is not repeated herein.
Based on the same technical idea, the embodiment of the present application also provides a kind of terminal, it can be achieved that in above-described embodiment The transmission of row reference signal.
Referring to Fig. 5, for the structural schematic diagram of the terminal, which may include receiving module 501 and sending module 502.
Receiving module 501, for receiving the triggering of the first reference signal or activation signaling of base station transmission, first reference Signal triggering or activation signaling are used to indicate the terminal and send the first reference according to the resource allocation information of the first reference signal Signal；
Sending module 502, for being triggered according to first reference signal or signaling being activated to send first to the base station Reference signal；Wherein, wherein the starting sending time unit of first reference signal is closed according to first reference signal The starting sending time unit of second reference signal of connection determines that second reference signal is downlink reference signal.
The correlation that the function of the realization of the above-mentioned module of the device can be found in aforementioned uplink reference signals transmission embodiment is retouched It states, is not repeated herein.
Based on the same technical idea, the embodiment of the present application also provides a kind of base station, it can be achieved that under in above-described embodiment The transmission of row reference signal.
Referring to Fig. 6, for the structural schematic diagram of the base station, the base station can include: sending module 601, receiving module 602.
Sending module 601, for sending the triggering of the first reference signal or activation signaling, first reference signal to terminal Triggering or activation signaling are used to indicate the terminal and receive the first reference signal；
Receiving module 602, for sending the first reference signal according to the resource allocation information of first reference signal；Its In, the starting sending time unit of first reference signal according to associated second reference signal of first reference signal Starting sending time unit determine, second reference signal be downlink reference signal.
The correlation that the function of the realization of the above-mentioned module of the device can be found in aforementioned downlink reference signal transmission embodiment is retouched It states, is not repeated herein.
Based on the same technical idea, the embodiment of the present application also provides a kind of terminal, it can be achieved that under in above-described embodiment The transmission of row reference signal.
Referring to Fig. 7, for the structural schematic diagram of the terminal, the terminal can include: receiving module 701, sending module 702.
Receiving module 701, for receiving the triggering of the first reference signal or activation signaling of base station transmission, first reference Signal triggering or activation signaling are used to indicate the terminal and receive first according to the resource allocation information of first reference signal Reference signal；
Sending module 702, for being triggered according to first reference signal or signaling being activated to receive the first reference signal；Its In, the starting sending time unit of first reference signal according to associated second reference signal of first reference signal Starting sending time unit determine, second reference signal be downlink reference signal.
It is the structural schematic diagram of base station provided by the embodiments of the present application, as shown, the base station referring to Fig. 8 can include: place Manage device 801, memory 802, transceiver 803 and bus interface.
Processor 801, which is responsible for management bus architecture and common processing, memory 802, can store processor 801 and is holding Used data when row operation.Transceiver 803 is for sending and receiving data under the control of processor 801.
Bus architecture may include the bus and bridge of any number of interconnection, specifically represented by processor 801 one or The various circuits for the memory that multiple processors and memory 802 represent link together.Bus architecture can also will be such as outer Various other circuits of peripheral equipment, voltage-stablizer and management circuit or the like link together, these are all that this field institute is public Know, therefore, it will not be further described herein.Bus interface provides interface.Processor 801 is responsible for the total coil holder of management Structure and common processing, memory 802 can store the used data when executing operation of processor 801.
The process that the embodiment of the present invention discloses, can be applied in processor 801, or realized by processor 801.In reality During now, each step of signal processing flow can pass through the integrated logic circuit or software of the hardware in processor 801 The instruction of form is completed.Processor 801 can be general processor, digital signal processor, specific integrated circuit, scene can compile Journey gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, may be implemented Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor Or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register In the storage medium of domain maturation.The storage medium is located at memory 802, and processor 801 reads the information in memory 802, knot Close the step of its hardware completes signal processing flow.
Specifically, processor 801, for reading the program in memory 802 and executing the uplink realized aforementioned base station side Reference signal transmission process or downlink reference signal transmission flow or executable uplink reference signals transmission flow and downlink ginseng Examine transport stream signal journey.
It is the structural schematic diagram of terminal provided by the embodiments of the present application, as shown, the terminal referring to Fig. 9 can include: place Manage device 901, memory 902, transceiver 903 and bus interface.
Processor 901, which is responsible for management bus architecture and common processing, memory 902, can store processor 901 and is holding Used data when row operation.Transceiver 903 is for sending and receiving data under the control of processor 901.
Bus architecture may include the bus and bridge of any number of interconnection, specifically represented by processor 901 one or The various circuits for the memory that multiple processors and memory 902 represent link together.Bus architecture can also will be such as outer Various other circuits of peripheral equipment, voltage-stablizer and management circuit or the like link together, these are all that this field institute is public Know, therefore, it will not be further described herein.Bus interface provides interface.Processor 901 is responsible for the total coil holder of management Structure and common processing, memory 902 can store the used data when executing operation of processor 901.
The process that the embodiment of the present invention discloses, can be applied in processor 901, or realized by processor 901.In reality During now, each step of signal processing flow can pass through the integrated logic circuit or software of the hardware in processor 901 The instruction of form is completed.Processor 901 can be general processor, digital signal processor, specific integrated circuit, scene can compile Journey gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, may be implemented Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor Or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register In the storage medium of domain maturation.The storage medium is located at memory 902, and processor 901 reads the information in memory 902, knot Close the step of its hardware completes signal processing flow.
Specifically, processor 901, for reading the program in memory 902 and executing the uplink realized aforementioned terminals side Reference signal transmission process or downlink reference signal transmission flow or executable uplink reference signals transmission flow and downlink ginseng Examine transport stream signal journey.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.

Claims (50)

1. a kind of reference signal transmission method, which is characterized in that the described method includes:
Base station sends the triggering of the first reference signal or activation signaling to terminal, and the first reference signal triggering or activation signaling are used The first reference signal is sent according to the resource allocation information of the first reference signal in the instruction terminal；
The base station receives the first reference signal that the terminal triggers or activate signaling to send according to first reference signal； Wherein, the starting sending time unit of first reference signal is believed according to associated second reference of first reference signal Number starting sending time unit determine, second reference signal be downlink reference signal.
2. the method as described in claim 1, which is characterized in that the starting sending time unit of first reference signal is institute State in X symbol after the transmission primary sign of the second reference signal and its symbol later where first uplink symbol when Gap, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is X after the transmission primary sign of second reference signal Time slot where symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z time slot after the sending time slots of second reference signal And its first ascending time slot in time slot later, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal be second reference signal sending time slots after the Z when Gap, wherein Z is the integer more than or equal to 0.
3. method according to claim 2, which is characterized in that the value of the X is appointed in advance by the base station and the terminal It is fixed；Alternatively, the base station is notified the value of the X to the terminal by signaling.
4. method according to claim 2, which is characterized in that the value of the X reports class with second reference signal Type configuration parameter is related.
5. method according to claim 2, which is characterized in that the value of the Z is appointed in advance by the base station and the terminal It is fixed；Alternatively, the base station is notified the value of the Z to the terminal by signaling.
6. method according to claim 2, which is characterized in that the value of the Z reports class with second reference signal Type configuration parameter is related, or reports resource allocation parameters related to second reference signal.
7. the method as described in claim 1, which is characterized in that the starting sending time unit of first reference signal is root Before n-th of time quantum, and n-th of time quantum of distance it is nearest with associated second reference of first reference signal What the starting sending time unit of signal determined, wherein n-th of time quantum is that first reference signal triggers or activate letter The sending time unit of order；Or
The starting sending time unit of first reference signal is single to the n-th+K2 times according to the n-th+K1 time quantums The starting sending time unit of the last one sent in first and associated second reference signal of first reference signal determines , alternatively, the starting sending time unit of first reference signal is sent most according to before the n-th+K2 time quantums What the initial time unit of the latter and associated second reference signal of first reference signal determined, wherein described in n mark The number of the sending time unit of the triggering of first reference signal or activation signaling, K2 are the integer more than or equal to 0, wherein n-th A time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
The starting sending time unit of first reference signal is last sent before according to the n-th+K2 time quantums What a initial time unit with associated second reference signal of first reference signal determined, wherein n mark described first The number of the sending time unit of reference signal triggering or activation signaling, K2 are the integer more than or equal to 0.
8. the method as described in claim 1, which is characterized in that the first reference signal triggering or activation signaling are also used to refer to Show that the terminal receives and associated second reference signal of first reference signal；
The method also includes:
The base station is sent and associated second reference signal of first reference signal, the second reference letter to the terminal Number starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and its it First descending time slot in time slot afterwards, wherein R is the integer more than or equal to 0；Or
When the starting sending time unit of second reference signal is that first reference signal triggers or signaling is activated to send The R time slot after gap, wherein R is the integer more than or equal to 0.
9. method according to claim 8, which is characterized in that the value of the R is appointed in advance by the base station and the terminal It is fixed；Alternatively, the base station is notified the value of the R to the terminal by signaling.
10. the method as described in claim 1, which is characterized in that the base station is also to terminal instruction and first ginseng Examine associated second reference signal of signal；
The method also includes:
If the base station is not sent and associated second reference of first reference signal to the terminal in setting time range Signal, then the base station abandons being decoded the first reference signal.
11. the method as described in claim 1, which is characterized in that the method also includes:
The base station is used to send the analog beam figuration information of the first reference signal to terminal instruction, and for receiving The analog beam figuration information of second reference signal.
12. a kind of reference signal transmission method, which is characterized in that the described method includes:
Terminal receives the triggering of the first reference signal or activation signaling that base station is sent, the first reference signal triggering or activation letter Order is used to indicate the terminal and sends the first reference signal according to the resource allocation information of the first reference signal；
The terminal triggers or activates signaling to send the first reference signal to the base station according to first reference signal；Its In, the starting sending time unit of first reference signal according to associated second reference signal of first reference signal Starting sending time unit determine, second reference signal be downlink reference signal.
13. method as claimed in claim 12, which is characterized in that the starting sending time unit of first reference signal is After the transmission primary sign of second reference signal in X symbol and its symbol later where first uplink symbol Time slot, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is X after the transmission primary sign of second reference signal Time slot where symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z time slot after the sending time slots of second reference signal And its first ascending time slot in time slot later, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal be second reference signal sending time slots after the Z when Gap, wherein Z is the integer more than or equal to 0.
14. method as claimed in claim 13, which is characterized in that the value of the X is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the X to the terminal by signaling.
15. method as claimed in claim 13, which is characterized in that the value of the X is reported with second reference signal Type configuration parameter is related.
16. method as claimed in claim 13, which is characterized in that the value of the Z is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the Z to the terminal by signaling.
17. method as claimed in claim 13, which is characterized in that the value of the Z is reported with second reference signal Type configuration parameter is related, or reports resource allocation parameters related to second reference signal.
18. method as claimed in claim 12, which is characterized in that the starting sending time unit of first reference signal is Before n-th of time quantum, and n-th of time quantum of distance it is nearest with associated second ginseng of first reference signal Examine the starting sending time unit determination of signal, wherein n-th of time quantum is that first reference signal is triggered or activated The sending time unit of signaling；Or
The starting sending time unit of first reference signal is single to the n-th+K2 times according to the n-th+K1 time quantums What the initial time unit of the last one sent in first and associated second reference signal of first reference signal determined, In, n identifies the number of the sending time unit of the first reference signal triggering or activation signaling；Or
The starting sending time unit of first reference signal is last sent before according to the n-th+K2 time quantums What a initial time unit with associated second reference signal of first reference signal determined, wherein n mark described first The number of the sending time unit of reference signal triggering or activation signaling, K2 are the integer more than or equal to 0.
19. the method as described in any one of claim 12 to 18, which is characterized in that described to send the first ginseng to the base station Examine signal, comprising:
The terminal is according to the reception information and/or letter with associated second reference signal of first reference signal received Road information determines the precoding of first reference signal；
The terminal carries out precoding processing to first reference signal according to the precoding determined；
The terminal sends the first reference signal after precoding processing.
20. method as claimed in claim 19, which is characterized in that the terminal is according to second reference signal received Reception information and/or channel information, determine the precoding of first reference signal, comprising:
The terminal arrived according at the appointed time range reception with associated second reference signal of first reference signal Information and/or channel information are received, determines the precoding of first reference signal.
21. method as claimed in claim 20, which is characterized in that the specified time range reception arrived joins with described first Examine associated second reference signal of signal, comprising:
First after n-th of time quantum and associated second reference signal of first reference signal；Or
Before n-th of time quantum and what n-th of time quantum of distance was nearest refers to first reference signal associated second Signal；Or
The last one and first reference signal received within the scope of n-th+K1 time quantums and the n-th+K2 time quantums Associated second reference signal；Alternatively,
The last one and associated second reference signal of first reference signal received before n-th+K2 time quantums；
Wherein, n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
The starting sending time unit of first reference signal is last sent before according to the n-th+K2 time quantums What a initial time unit with associated second reference signal of first reference signal determined, wherein n mark described first The number of the sending time unit of reference signal triggering or activation signaling, K2 are the integer more than or equal to 0.
22. method as claimed in claim 12, which is characterized in that the base station is also to terminal instruction and first ginseng Examine associated second reference signal of signal；
The method also includes:
The base station is sent and associated second reference signal of first reference signal, the second reference letter to the terminal Number starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and its it First descending time slot in time slot afterwards, wherein R is the integer more than or equal to 0；Or
When the starting sending time unit of second reference signal is that first reference signal triggers or signaling is activated to send The R time slot after gap, wherein R is the integer more than or equal to 0.
23. method as claimed in claim 12, which is characterized in that the terminal is joined according to what the base station indicated for first The transmission wave beam forming information of signal is examined, is received and associated second reference signal of first reference signal.
24. a kind of reference signal transmission method characterized by comprising
Base station sends the triggering of the first reference signal or activation signaling to terminal, and the first reference signal triggering or activation signaling are used The first reference signal is received in the instruction terminal；
The base station sends the first reference signal according to the resource allocation information of first reference signal；Wherein, described first The starting sending time unit of reference signal is sent according to the starting with associated second reference signal of first reference signal Time quantum determines that second reference signal is downlink reference signal.
25. method as claimed in claim 24, which is characterized in that the starting sending time unit of first reference signal is After the transmission primary sign of second reference signal in X symbol and its symbol later where first uplink symbol Time slot, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is X after the transmission primary sign of second reference signal Time slot where symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z time slot after the sending time slots of second reference signal And its first ascending time slot in time slot later, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal be second reference signal sending time slots after the Z when Gap, wherein Z is the integer more than or equal to 0.
26. method as claimed in claim 25, which is characterized in that the value of the X is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the X to the terminal by signaling.
27. method as claimed in claim 25, which is characterized in that the value of the X is reported with second reference signal Type configuration parameter is related.
28. method as claimed in claim 25, which is characterized in that the value of the Z is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the Z to the terminal by signaling.
29. method as claimed in claim 25, which is characterized in that the value of the Z is reported with second reference signal Type configuration parameter is related, or reports resource allocation parameters related to second reference signal.
30. method as claimed in claim 24, which is characterized in that the starting sending time unit of first reference signal is Before n-th of time quantum, and n-th of time quantum of distance it is nearest with associated second ginseng of first reference signal Examine the starting sending time unit determination of signal, wherein n-th of time quantum is that first reference signal is triggered or activated The sending time unit of signaling；Or
The starting sending time unit of first reference signal is single to the n-th+K2 times according to the n-th+K1 time quantums What the initial time unit of the last one sent in first and associated second reference signal of first reference signal determined, In, n identifies the number of the sending time unit of the first reference signal triggering or activation signaling；Or
The starting sending time unit of first reference signal is last sent before according to the n-th+K2 time quantums What a initial time unit with associated second reference signal of first reference signal determined, wherein n mark described first The number of the sending time unit of reference signal triggering or activation signaling, K2 are the integer more than or equal to 0.
31. the method as described in any one of claim 24 to 30, which is characterized in that described to send the first ginseng to the base station Examine signal, comprising:
The base station is according to the reception information and/or letter with associated second reference signal of first reference signal received Road information determines the precoding of first reference signal；
The base station carries out precoding processing to first reference signal according to the precoding determined；
The base station sends the first reference signal after precoding processing.
32. method as claimed in claim 31, which is characterized in that the base station is according to second reference signal received Reception information and/or channel information, determine the precoding of first reference signal, comprising:
The base station arrived according at the appointed time range reception with associated second reference signal of first reference signal Information and/or channel information are received, determines the precoding of first reference signal.
33. method as claimed in claim 32, which is characterized in that the specified time range reception arrived joins with described first Examine associated second reference signal of signal, comprising:
First after n-th of time quantum and associated second reference signal of first reference signal；Or
Before n-th of time quantum and what n-th of time quantum of distance was nearest refers to first reference signal associated second Signal；Or
The last one and first reference signal received within the scope of n-th+K1 time quantums and the n-th+K2 time quantums Associated second reference signal；Or
The last one and associated second reference signal of first reference signal received before n-th+K2 time quantums；
Wherein, n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling.
34. method as claimed in claim 24, which is characterized in that the first reference signal triggering or activation signaling are also used to Indicate that the terminal is sent and associated second reference signal of first reference signal；
The method also includes:
The base station receives the terminal and sends and associated second reference signal of first reference signal, second reference The starting sending time unit of signal be first reference signal trigger or activate signaling sending time slots after R time slot and its First ascending time slot in time slot later, wherein R is the integer more than or equal to 0；Alternatively, second reference signal rises Originate send time quantum be first reference signal trigger or activate signaling sending time slots after the R time slot, wherein R for greater than Or the integer equal to 0.
35. method as claimed in claim 24, which is characterized in that the method also includes:
The base station is used to send the analog beam figuration information of the first reference signal to terminal instruction, and for receiving The analog beam figuration information of second reference signal.
36. a kind of reference signal transmission method, which is characterized in that the described method includes:
Terminal receives the triggering of the first reference signal or activation signaling that base station is sent, the first reference signal triggering or activation letter Order is used to indicate the terminal and receives the first reference signal according to the resource allocation information of first reference signal；
The terminal triggers or activates signaling to receive the first reference signal according to first reference signal；Wherein, described first The starting sending time unit of reference signal is sent according to the starting with associated second reference signal of first reference signal Time quantum determines that second reference signal is downlink reference signal.
37. method as claimed in claim 36, which is characterized in that the starting sending time unit of first reference signal is After the transmission primary sign of second reference signal in X symbol and its symbol later where first uplink symbol Time slot, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is X after the transmission primary sign of second reference signal Time slot where symbol, wherein X is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal is the Z time slot after the sending time slots of second reference signal And its first ascending time slot in time slot later, wherein Z is the integer more than or equal to 0；Or
The starting sending time unit of first reference signal be second reference signal sending time slots after the Z when Gap, wherein Z is the integer more than or equal to 0.
38. method as claimed in claim 37, which is characterized in that the value of the X is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the X to the terminal by signaling.
39. method as claimed in claim 37, which is characterized in that the value of the X is reported with second reference signal Type configuration parameter is related.
40. method as claimed in claim 37, which is characterized in that the value of the Z is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the Z to the terminal by signaling.
41. method as claimed in claim 37, which is characterized in that the value of the Z is reported with second reference signal Type configuration parameter is related, or reports resource allocation parameters related to second reference signal.
42. method as claimed in claim 36, which is characterized in that the starting sending time unit of first reference signal is Before n-th of time quantum, and n-th of time quantum of distance it is nearest with associated second ginseng of first reference signal The starting sending time unit determination of signal is examined, wherein n-th of time quantum is that first reference signal is triggered or activated The sending time unit of signaling；Or
The starting sending time unit of first reference signal is single to the n-th+K2 times according to the n-th+K1 time quantums The starting sending time unit of the last one sent in first and associated second reference signal of first reference signal determines , wherein n-th of time quantum is the sending time unit that first reference signal triggered or activated signaling；Or
The starting sending time unit of first reference signal is last sent before according to the n-th+K2 time quantums What a initial time unit with associated second reference signal of first reference signal determined, wherein n mark described first The number of the sending time unit of reference signal triggering or activation signaling, K2 are the integer more than or equal to 0.
43. method as claimed in claim 36, which is characterized in that the first reference signal triggering or activation signaling are also used to Indicate that the terminal receives and associated second reference signal of first reference signal；
The method also includes:
The terminal is sent and associated second reference signal of first reference signal, the second reference letter to the base station Number starting sending time unit be first reference signal trigger or activate signaling sending time slots after R time slot and its it First ascending time slot in time slot afterwards, wherein R is the integer more than or equal to 0；Or the starting of second reference signal Sending time unit is that first reference signal triggers or activates the R time slot after signaling sending time slots, wherein R to be greater than or Integer equal to 0.
44. method as claimed in claim 43, which is characterized in that the value of the R is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the R to the terminal by signaling.
45. method as claimed in claim 36, which is characterized in that the base station is also to terminal instruction and first ginseng Examine associated second reference signal of signal；
The method also includes:
If the terminal is not sent and first reference signal associated the to receiving the base station in setting time range Two reference signals, then the terminal is abandoned being decoded the first reference signal.
46. method as claimed in claim 36, which is characterized in that the terminal is joined according to what the base station indicated for first The reception wave beam forming information of signal is examined, is sent and associated second reference signal of first reference signal.
47. a kind of base station characterized by comprising processor, memory, transceiver, the processor, memory and transmitting-receiving Machine is connected by bus；The processor, for reading the program in memory, execution:
Send the triggering of the first reference signal or activation signaling to terminal by the transceiver, first reference signal triggering or Activation signaling is used to indicate the terminal and sends the first reference signal according to the resource allocation information of the first reference signal；
The first ginseng for triggering or activating signaling to send according to first reference signal by terminal described in the transceiver Examine signal；Wherein, the starting sending time unit of first reference signal according to first reference signal associated The starting sending time unit of two reference signals determines that second reference signal is downlink reference signal.
48. a kind of terminal characterized by comprising processor, memory, transceiver, the processor, memory and transmitting-receiving Machine is connected by bus；The processor, for reading the program in memory, execution:
The triggering of the first reference signal or activation signaling sent by the transceiver base station, the first reference signal touching Hair or activation signaling are used to indicate the terminal and send the first reference signal according to the resource allocation information of the first reference signal；
Signaling is triggered or activated according to first reference signal, sends first with reference to letter to the base station by the transceiver Number；Wherein, wherein the starting sending time unit of first reference signal according to first reference signal associated The starting sending time unit of two reference signals determines that second reference signal is downlink reference signal.
49. a kind of base station characterized by comprising processor, memory, transceiver, the processor, memory and transmitting-receiving Machine is connected by bus；The processor, for reading the program in memory, execution:
Send the triggering of the first reference signal or activation signaling to terminal by the transceiver, first reference signal triggering or Activation signaling is used to indicate the terminal and receives the first reference signal；
According to the resource allocation information of first reference signal, the first reference signal is sent by the transceiver；Wherein, institute The starting sending time unit of the first reference signal is stated according to associated second reference signal of first reference signal It originates and time quantum is sent to determine, second reference signal is downlink reference signal.
50. a kind of terminal characterized by comprising processor, memory, transceiver, the processor, memory and transmitting-receiving Machine is connected by bus；The processor, for reading the program in memory, execution:
The triggering of the first reference signal or activation signaling sent by the transceiver base station, the first reference signal touching Hair or activation signaling are used to indicate the terminal and receive first with reference to letter according to the resource allocation information of first reference signal Number；
Signaling is triggered or activated according to first reference signal, passes through first reference signal of transceiver；Wherein, institute The starting sending time unit of the first reference signal is stated according to associated second reference signal of first reference signal It originates and time quantum is sent to determine, second reference signal is downlink reference signal.
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