CN110034898A - 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
CN110034898A
CN110034898A CN201810032710.0A CN201810032710A CN110034898A CN 110034898 A CN110034898 A CN 110034898A CN 201810032710 A CN201810032710 A CN 201810032710A CN 110034898 A CN110034898 A CN 110034898A
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China
Prior art keywords
reference signal
terminal
base station
integer
equal
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Granted
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CN201810032710.0A
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Chinese (zh)
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CN110034898B (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 CN201810032710.0A priority Critical patent/CN110034898B/en
Publication of CN110034898A publication Critical patent/CN110034898A/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

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 first upstream time unit for meeting n+k, n is used to identify the sending time unit of the first reference signal triggering or activation signaling, and k is the integer more than or equal to K, and K is the integer more than or equal to 0.

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 is to meet first upstream time list that number is n+k Member, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is to be greater than or wait In the integer or k=Z of K, wherein K is the integer more than or equal to 0, and Z is 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 The starting sending time unit for examining signal is to meet first downgoing time unit that number is n+r, wherein r is to be greater than or wait In the integer or r=X of R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
Optionally, the value of the R or X is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the R or X to the terminal.
Optionally, the base station is notified the value of the R or X to the terminal by signaling, comprising:
The base station sends information to the terminal and controls information DCI, and the DCI carries the value of the R or X；Or
The base station sends high-level signaling to the terminal, and the high-level signaling carries the value of the R or X；Or
The base station sends high-level signaling to the terminal and DCI, the high-level signaling carry the multiple of the R or X and take A value is selected in value, the DCI carrying from the multiple 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.
Optionally, the method also includes:
The base station indicates and associated second reference signal of first reference signal to the terminal；
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, if terminal does not receive the second reference signal associated therewith in the time range, Assuming that base station be first reference signal distribution running time-frequency resource on do not send the first reference signal.
Optionally, the setting time range includes:
One or more consecutive time quantum between n-th of time quantum and the n-th+k time quantums；Or
Before n-th+k-X time quantums.The X can be a preset value or base station and be indicated to end by signaling What the value at end or base station and terminal were made an appointment can be based on the value that some rule determines.
K1 described in n-th-K1 to the n-th+k-X. can be a preset value or base station and be indicated to terminal by signaling What value or base station and terminal were made an appointment can be based on the value that some rule determines.
Optionally, the value of the K or Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the K or Z to the terminal.
Optionally, the base station is notified the value of the K or Z to the terminal by signaling, comprising:
The base station sends information to the terminal and controls information DCI, and the DCI carries the value of the K or Z；Or
The base station sends high-level signaling to the terminal, and the high-level signaling carries the value of the K or Z；Or
The base station sends high-level signaling to the terminal and DCI, the high-level signaling carry the multiple of the K or Z and take A value is selected in value, the DCI carrying from the multiple value.
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, the starting sending time unit of first reference signal is to meet first upstream time unit that number is n+k, Middle n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is more than or equal to K's Integer or k=Z, wherein K is the integer more than or equal to 0, and Z is 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 triggers or activates signaling according to first reference signal, receive that the base station sends with described the Associated second reference signal of one reference signal, the starting sending time unit of second reference signal are that satisfaction number is n+ First downgoing time unit of r, wherein r is the integer or r=X more than or equal to R, and wherein R is whole more than or equal to 0 Number, X are the integer more than or equal to 0.
Optionally, the value of the R or X is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the R or X to the terminal.
Optionally, the method also includes:
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 sends the first reference signal to the base station, comprising:
The terminal sends the first reference signal after precoding to the base station.
Optionally, the method also includes:
The terminal receive that the base station sends with associated second reference signal of first reference signal；
The reception information and/or channel for the second reference signal that the terminal is sent according to the base station received are believed Breath, determines the precoding of first reference signal；Wherein, second reference signal is associated with first reference signal.
Optionally, the reception information for the second reference signal that the terminal is sent according to the base station that receives and/or Channel information determines the precoding of first reference signal, comprising:
The reception information and/or channel for the second reference signal that the terminal is arrived according at the appointed time range reception are believed Breath, determines the precoding of first reference signal.
Optionally, the specified time range, comprising:
Time quantum before n-th+k-T1 time quantums and the n-th+k-T1 time quantums, T1 are greater than or equal to 0 integer；Alternatively,
Time quantum between n-th+k-T1 time quantums and the n-th+k-T2 time quantums, T3, T4 be greater than or Integer equal to 0, T1 are greater than T2.
Optionally, the terminal arriving with first reference signal associated second according at the appointed time range reception The reception information and/or channel information of reference signal determine the precoding of first reference signal, comprising:
If the terminal receives multiple and first reference signal associated second within the specified time Reference signal then selects the n-th+k of receiving time cell distance time quantums nearest from the multiple second reference signal Second reference signal, or the second reference signal that selection n-th of time quantum of receiving time cell distance is nearest, or selection connect Receive the second reference signal that time quantum is after n-th of time quantum and n-th of time quantum of distance is nearest；Wherein, n-th Time quantum is the receiving unit that first reference signal triggered or activated signaling；
The terminal determines described first according to the reception information and/or channel information of the second reference signal selected The precoding of reference signal.
Optionally, described receiving that the base station sends with associated second reference signal of first reference signal, packet It includes:
The analog beam figuration information for being used to send the first reference signal that the terminal is indicated according to the base station, receives With associated second reference signal of first reference signal.
Optionally, the value of the K or Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the K or Z to the terminal.
The third aspect provides 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 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 to meet first upstream time unit that number is n+k, and wherein n is for marking Know the sending time element number of the first reference signal triggering or activation signaling, k is the integer or k=more than or equal to K Z, wherein K is the integer more than or equal to 0, and Z is 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 is sent and described first Associated second reference signal of reference signal；
The method also includes:
The base station triggers or activates signaling according to first reference signal, receive that the terminal sends with described the Associated second reference signal of one reference signal, the starting sending time unit of second reference signal are that satisfaction number is n+ First downgoing time unit of r, wherein r is the integer or r=X more than or equal to R, and wherein R is whole more than or equal to 0 Number, X are the integer more than or equal to 0.
Optionally, the value of the R or X is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the R or X to the terminal.
Optionally, the method also includes:
The base station is used to receive the analog beam figuration information of the first reference signal to terminal instruction, and is used for Send the analog beam figuration information of the second reference signal.
Optionally, the method also includes:
The base station receive that the terminal sends with associated second reference signal of first reference signal；
The reception information and/or channel for the second reference signal that the base station is sent according to the terminal received are believed Breath, determines the precoding of first reference signal；Wherein, second reference signal is associated with first reference signal.
Optionally, the reception information for the second reference signal that the base station is sent according to the terminal that receives and/or Channel information determines the precoding of first reference signal, comprising:
The reception information and/or channel for the second reference signal that the base station is arrived according at the appointed time range reception are believed Breath, determines the precoding of first reference signal.
Optionally, the base station arriving with first reference signal associated second according at the appointed time range reception The reception information and/or channel information of reference signal determine the precoding of first reference signal, comprising:
If the base station receives multiple and first reference signal associated second within the specified time Reference signal then selects the n-th+k of receiving time cell distance time quantums nearest from the multiple second reference signal Second reference signal, or the second reference signal that selection n-th of time quantum of receiving time cell distance is nearest, or selection connect Receive the second reference signal that time quantum is after n-th of time quantum and n-th of time quantum of distance is nearest；Wherein, n-th Time quantum is the receiving unit that first reference signal triggered or activated signaling；
The base station determines described first according to the reception information and/or channel information of the second reference signal selected The precoding of reference signal.
Optionally, the value of the K or Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the K or Z to the terminal.
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 to meet first upstream time unit that number is n+k, and wherein n is for marking Know the sending time element number of the first reference signal triggering or activation signaling, k is the integer or k=more than or equal to K Z, wherein K is the integer more than or equal to 0, and Z is 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 is sent 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 The starting sending time unit for examining signal is to meet first upstream time unit that number is n+r, wherein r is to be greater than or wait In the integer or r=X of R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
Optionally, the value of the R or X is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the R or X to the terminal.
Optionally, the method also includes:
The analog beam figuration information for being used to receive the first reference signal that the terminal is indicated according to the base station, sends With associated second reference signal of first reference signal.
Optionally, the value of the K or Z is made an appointment by the base station and the terminal；Alternatively, the base station passes through letter Order notifies the value of the K or Z to the terminal.
5th aspect, provides a kind of base station, comprising:
First sending module, for sending the triggering of the first reference signal or activation signaling to terminal, 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；
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 when meeting to number first uplink for being n+k Between unit, wherein n is used to identify the sending time element number of first reference signal triggering or activation signaling, k be greater than Or integer or k=Z equal to K, wherein K is the integer more than or equal to 0, and Z is 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 base station further include:
Second sending module is used for terminal transmission and associated second reference signal of first reference signal, The starting sending time unit of second reference signal is to meet first downgoing time unit that number is n+r, wherein r For the integer or r=X more than or equal to R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
6th aspect, provides a kind of terminal, comprising:
First receiving module, for receiving the triggering of the first reference signal or activation signaling of base station transmission, first ginseng It examines signal triggering or activation signaling is used to indicate the terminal and sends the first ginseng according to the resource allocation information of the first reference signal Examine signal；
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, the starting sending time unit of first reference signal is to meet first upstream time list that number is n+k Member, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is to be greater than or wait In the integer or k=Z of K, wherein K is the integer more than or equal to 0, and Z is 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 terminal further include:
Second receiving module receives the base station and sends for signaling to be triggered or activated according to first reference signal With associated second reference signal of first reference signal, the starting sending time unit of second reference signal is full First downgoing time unit that foot number is n+r, wherein r is integer or r=X more than or equal to R, wherein R be greater than or Integer equal to 0, X are the integer more than or equal to 0.
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；
First 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 is to meet first upstream time unit that number is n+k, Middle n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is more than or equal to K's Integer or k=Z, wherein K is the integer more than or equal to 0, and Z is 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 is sent and described first Associated second reference signal of reference signal；
The base station further include:
Second receiving module receives the terminal and sends for signaling to be triggered or activated according to first reference signal With associated second reference signal of first reference signal, the starting sending time unit of second reference signal is full First upstream time unit that foot number is n+r, wherein r is integer or r=X more than or equal to R, wherein R be greater than or Integer equal to 0, X are the integer more than or equal to 0.
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；
First sending module, for being triggered according to first reference signal or signaling being activated to send the first reference signal； Wherein, the starting sending time unit of first reference signal is to meet first upstream time unit that number is n+k, Middle n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is more than or equal to K's Integer or k=Z, wherein K is the integer more than or equal to 0, and Z is 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 is sent and described first Associated second reference signal of reference signal；
The terminal further include:
Second sending module is used for base station transmission and associated second reference signal of first reference signal, The starting sending time unit of second reference signal is to meet first upstream time unit that number is n+r, wherein r For the integer or r=X more than or equal to R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
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 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.
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.
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 this process, the first reference signal is uplink reference signals, for example the uplink reference signals may include SRS. Second reference signal is downlink reference signal, for example the downlink reference signal may include CSI-RS.The embodiment of the present application pair The type of first reference signal and the second reference signal is with no restriction.
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 trigger or activate the sending time unit of signaling according to the first reference signal, determine the The starting sending time unit of one reference signal, that is, the timing in the triggered time and sending time that determine the first reference signal is closed System, and according to the resource allocation information of the sequential relationship determined and the first reference signal, send the first reference signal.
Wherein, the starting sending time unit of the first reference signal is first uplink for meeting time quantum number n+k Time quantum.Wherein, n is used to identify the triggering of the first reference signal or the sending time unit of signaling is activated (for example to can be this The number of sending time unit), k is the integer more than or equal to K, and K is the integer more than or equal to 0.
Wherein, first upstream time unit for meeting n+k, can be since the n-th+k 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+k if k=K Row time quantum can be the n-th+K time quantums (if the time quantum is upstream time unit), if the n-th+K times are single Member is not upstream time unit, then first upstream time unit thereafter is the sending time unit of the first reference signal.With For SRS, first since the n-th+k time slots backward meets uplink signal and upstream channel priority as defined in agreement Ascending time slot.
Alternatively, wherein the starting sending time unit of the first reference signal is to meet time quantum number n First upstream time unit of+k.Wherein, n is used to identify the sending time unit of the triggering of the first reference signal or activation signaling (such as the number that can be the sending time unit), k=Z, Z are the integer more than or equal to 0.Optionally, if meeting the time First time quantum (i.e. time domain be n+Z time quantum) of element number n+k is not upstream time unit, then terminal The first reference signal is not sent.Base station does not also decode the first reference signal on the n-th+k time quantums.
Optionally, the value of the K (or Z) can be made an appointment by base station and terminal.The value of the K (or Z) can also be with It is base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the K (or Z) to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the K (or Z).For example, base station can pass through In DCIA bit indicates the value of K (or Z), wherein M is of the possibility value of predefined K (or Z) Number.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the K (or Z).Wherein, described 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 and DCI to terminal, which carries multiple values of the K (or Z), A value is selected in DCI carrying from the multiple value.For example, base station is that terminal is configured with M by RRC signaling The possibility value of a K (or Z), then by DCIA bit indicates the specific value of K (or Z).
Above-mentioned base station can enable base station to configure first for greater flexibility by signaling the scheme of the value of K (or Z) Sequential relationship between the triggering and transmission of reference signal, to adapt to different demands.
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 trigger or activate the sending time unit of signaling according to the first reference signal, determine first The sending time unit of reference signal or receiving time unit (the sending time list of the first reference signal of the first reference signal Member, the receiving time unit with the first reference signal, two kinds of statement equivalent equivalences), that is, when determining the triggering of the first reference signal Between and sending time sequential relationship, and according to the resource allocation information of the sequential relationship determined and the first reference signal, Receive the first reference signal that terminal is sent.Base station determines the method and terminal of the starting sending time unit of the first reference signal The method of use is identical.
Optionally, on the basis of the various embodiments described above, base station can also send to terminal and be associated with the first reference signal The second reference signal, the second reference signal be downlink reference signal.Terminal can be according to the reception information of the second reference signal And/or channel information, determine the precoding of the first reference signal, and carried out in advance to the first reference signal with the precoding determined The first reference signal after volume processing, after sending precoding.Since the reception information and/or channel information of the second reference signal can To reflect the state of present channel, therefore first according to determined by the reception information and/or channel information of the second reference signal The precoding of reference signal can be matched with current channel condition, so that the first reference signal is handled using the precoding After send, the transmission performance of the first reference signal can be improved.
Wherein, the second reference signal associated with first reference signal, can by base station by high-level signaling into Row configuration.The mark of the mark and the first reference signal of second reference signal can be associated by base station in advance, and will be with first The mark of associated second reference signal of mark of reference signal is sent to terminal.
Optionally, terminal can with according to whether at the appointed time range reception to the first reference signal associated second Reference signal, it is determined whether the pre- of the first reference signal is determined according to the reception information and/or channel information of the second reference signal Coding.The specified time range can choose the n-th+k closer time ranges of time quantum of distance, thus it is possible, on the one hand, root According to the reception information and/or channel information with associated second reference signal of the first reference signal received in the time range The precoding determined, the channel status that can originate sending time unit with the first reference signal match；On the other hand, The precoding that can not also have enough time to determine the first reference signal to avoid terminal.
In view of terminal is likely to be received multiple associated with the first reference signal the in above-mentioned specified time range Two reference signals, therefore in the embodiment of the present application optionally, terminal can be associated more with the first reference signal from what is received In a second reference signal, choose second reference signal, and according to the reception information of the second reference signal of selection and/or Channel information determines the precoding of the first reference signal.Optionally, the second selected reference signal can be the n-th+k of distance N-th of time quantum of front distance of the second nearest reference signal of a time quantum or n-th of time quantum it is nearest the The second nearest reference signal of n-th of time quantum of distance after two reference signals or n-th of time quantum.
In view of terminal is in above-mentioned specified time range, may not receive and the first reference signal associated second Reference signal, then terminal can decide the precoding of the first reference signal in its sole discretion, and be referred to the precoding determined to first The first reference signal after signal carries out precoding processing, after sending precoding.In other implementations, for this kind of situation, Terminal can not send the first reference signal in first upstream time unit for meeting n+k.
For example, it is referred to according to what is received in above-mentioned specified time range with the first reference signal associated second The reception information and/or channel information of signal, determine the precoding of the first reference signal, it may include following situations:
Situation 1: if time quantum of the terminal between the n-th+k-T1 time quantums or the time quantum, has received With associated second reference signal of the first reference signal, then what terminal can be received according to the time range believes with the first reference The reception information and/or channel information of number associated second reference signal, determine the precoding of the first reference signal.Wherein, T1 It is an integer not less than 0, specifically can be the value of terminal profile, be also possible to the value that base station is made an appointment with terminal, also It can be the value of base station configuration.
For example, base station is that terminal configuration is with the resource ID (resource ID) of the associated CSI-RS of SRS Associated CSI-RS resource ID, then if terminal slot n+k-T1 and its before have received resource ID is the CSI-RS of associated CSI-RS resource ID, then terminal is based on receiving before slot n+k-T1 or its The reception information and/or channel letter that the resource ID arrived is the CSI-RS of associated CSI-RS resource ID Breath, determines the precoding used needed for institute SRS.
Situation 2: if terminal between the n-th+k-T2 time quantums and the n-th+k-T1 time quantums, have received with Associated second reference signal of first reference signal, then terminal can be received according to the time range with the first reference signal The reception information and/or channel information of associated second reference signal, determine the precoding of the first reference signal.Wherein, T2 is One integer not less than 0, T2 are greater than T1, and T2 can be the value of terminal profile, are also possible to what base station was made an appointment with terminal Value can also be the value of base station configuration.
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 first downgoing time unit for meeting n+r, wherein r be greater than or Integer equal to R, R are the integer more than or equal to 0.Particularly, R=0.Correspondingly, terminal can be from described second with reference to letter Number transmission start unit start receive with associated second reference signal of the first reference signal, and can further according to this second The reception information and/or channel information of reference signal, determine the precoding of the first 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 starting sending time unit of second reference signal is when meeting to number first downlink for being n+r Between unit, wherein r=R1, R1 are integer more than or equal to 0.Particularly, R=0.Correspondingly, terminal can be from described second The transmission start unit of reference signal start to receive with associated second reference signal of the first reference signal, and can further basis The reception information and/or channel information of second reference signal, determine the precoding of the first reference signal.
Optionally, the value of the R (or R1) can be made an appointment by base station and terminal.The value of the R (or R1) can also To be base station by signaling to terminal.
Optionally, base station can in the following manner notify the value of the R (or R1) to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the R (or R1).For example, base station can lead to It crosses in DCIA bit indicates the value of R (or R1), wherein M is the possibility value of predefined R (or R1) Number.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the R (or R1).Wherein, institute Stating 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 and DCI to terminal, which carries multiple the taking of the R (or R1) A value is selected in value, DCI carrying from the multiple value.For example, base station is terminal configuration by RRC signaling The possibility value of M R (or R1), then by DCIA bit indicates the specific value of R (or R1).
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 case where base station indicates the second reference signal associated with first reference signal to terminal Under, if base station is not sent and associated second reference signal of the first reference signal, base to terminal within the scope of setting time It abandons being decoded the first reference signal in station.That is, base station can be in the running time-frequency resource that should distribute to the first reference signal originally Upper (assuming to distribute to the running time-frequency resource of the first reference signal) does not receive the first reference signal.Specifically, base station can not be The running time-frequency resource of the first reference signal of terminal distribution, or even if for the terminal distribution running time-frequency resource of the first reference signal, The first reference signal of terminal transmission will not be received on the running time-frequency resource of the first reference signal.
Wherein, the setting time range may include one of following range:
One or more consecutive time quantum between-n-th time quantum and the n-th+k time quantums；
Time quantum before-the n-th+k-X time quantums.The X can be a preset value or base station passes through letter Enable the value that can be determining based on some rule that the value for being indicated to terminal or base station and terminal are made an appointment.
K1 described in-the n-th-K1 to the n-th+k-X. can be a preset value or base station and be indicated to terminal by signaling What value or base station and terminal were made an appointment can be based on the value that some rule determines.
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 and the first ginseng in first downgoing time unit for meeting n+r Examine associated second reference signal of signal.Correspondingly, terminal starts to receive and the in first downgoing 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 (or R1), T4≤R (or R1), 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 the first ginseng in first downgoing 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 (or R1), T6≤R (or R1), T6 >=0, n-T5≤n+T6.As One 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, in the embodiment of the present application, sending and receiving for reference signal can also carry out analog beam figuration.Specifically Ground, in some embodiments, base station are used for the transmission wave beam forming information of the first reference signal to terminal instruction, and for the The reception wave beam forming information of two reference signals.The wave beam forming information can indicate and refer to associated QCL (quasi- Colocation) signal is realized.For example, the first reference signal be SRS signal, base station instruction with the SRS signal corresponding to The SRS resource 2 of SRS resource (being denoted as SRS resource 1) space QCL, i.e. instruction terminal use hair identical with SRS resource 2 Wave beam is sent to carry out SRS transmission.Optionally, the transmission wave beam forming information of the first reference signal is indicated to terminal when base station, and The reception wave beam forming information of second reference signal, and when the first reference signal is associated with the second reference signal, terminal uses The wave beam forming of first reference signal of base station instruction carries 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 this process, the first reference signal is downlink reference signal, for example the downlink reference signal may include CSI- RS.Second reference signal is uplink reference signals, for example the uplink reference signals may include SRS.The embodiment of the present application is to The type of one reference signal and the second reference signal is with no restriction.
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 reference The naming method of signal triggering or activation signaling " is with no restriction.
Optionally, the first reference signal triggering or activation signaling are used to indicate the terminal and receive first with reference to letter Number.Specifically, the signaling may be used to indicate terminal according to the resource allocation information of the first reference signal, first is received with reference to letter Number.
Wherein, the resource allocation information of first reference signal may include the resource or resource set of the first reference signal. Wherein, the resource set of the first reference signal may include the resource of one or more first reference signals, first reference signal 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 CSI- in a CSI-RS resource configuration When the field type instruction, the running time-frequency resource of the period of CSI-RS, CSI-RS in a time slot (slot) of RS port number, CSI-RS Position etc..It should be noted that the triggering of the first reference signal or activation signaling can correspond to one in the embodiment of the present application Triggering information triggers the transmission of multiple reference signals simultaneously or one is triggered the transmission that information only triggers a reference signal, this Apply for embodiment without limitation.
The resource allocation information of first reference signal can be configured 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 configuration a SRS resource or SRS resource collection, in slot n to end End sends CSI-RS triggering or activation signaling.
S302: base station sends the first reference signal to terminal.
In the step, base station can trigger or activate the sending time unit of signaling according to the first reference signal, determine the The starting sending time unit of one reference signal, that is, the timing in the triggered time and sending time that determine the first reference signal is closed System, and according to the resource allocation information of the sequential relationship determined and the first reference signal, send the first reference signal.
Wherein, the starting sending time unit of first reference signal is when meeting to number first downlink for being n+k Between unit, wherein n is used to identify the sending time element number of first reference signal triggering or activation signaling, k be greater than Or integer or k=Z equal to K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
Wherein, first downgoing time unit for meeting n+k, can be since the n-th+k 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+k if k=K Row time quantum can be the n-th+K time quantums (if the time quantum is downgoing time unit), if the n-th+K times are single Member is not downgoing time unit, then first thereafter can satisfy downlink signal as defined in agreement and down channel priority Downgoing time unit is the sending time unit of the first reference signal.By taking CSI-RS as an example, since the n-th+k time slots backward First meets the descending time slot of downlink signal as defined in agreement and down channel priority.
Optionally, the value of the K or Z can be made an appointment by base station and terminal.The value of the K or Z is also possible to base It stands by signaling to terminal.
Optionally, base station can in the following manner notify the value of the K or Z to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the K or Z.For example, base station can pass through In DCIA bit indicates the value of K or Z, wherein M is the number of the possibility value of predefined K or Z.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the K or Z.Wherein, the height Layer 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 K, the DCI A value is selected in carrying from the multiple value.For example, base station is that terminal is configured with M K's by RRC signaling Possible value, then by DCIA bit indicates the specific value of K.
Above-mentioned base station can enable base station configure the first ginseng for greater flexibility by signaling the scheme of the value of K or Z The sequential relationship between the triggering of signal and transmission is examined, to adapt to different demands.
S303: terminal triggers or activates signaling according to the first reference signal, receives the first reference signal that base station is sent.
In the step, terminal can trigger or activate the sending time unit of signaling according to the first reference signal, determine first The sending time unit of reference signal or receiving time unit (the sending time list of the first reference signal of the first reference signal Member, the receiving time unit with the first reference signal, two kinds of statement equivalent equivalences), that is, when determining the triggering of the first reference signal Between and sending time sequential relationship, and according to the resource allocation information of the sequential relationship determined and the first reference signal, Receive the first reference signal that base station is sent.Terminal determines method and the base station of the starting sending time unit of the first reference signal The method of use is identical.
Optionally, on the basis of the various embodiments described above, base station can also receive terminal transmission with the first reference signal Associated second reference signal, the second reference signal are uplink reference signals.It base station can be according to the reception of the second reference signal Information and/or channel information, determine the precoding of the first reference signal, and with the precoding determined to the first reference signal into Row prelists after processing, the first reference signal after sending precoding.Since the reception information and/or channel of the second reference signal are believed Breath can reflect the state of present channel, therefore according to determined by the reception information and/or channel information of the second reference signal The precoding of first reference signal can be matched with current channel condition, so that the first reference signal is carried out using the precoding It is sent after processing, the transmission performance of the first reference signal can be improved.
Optionally, base station can with according to whether at the appointed time range reception to the first reference signal associated second Reference signal, it is determined whether the pre- of the first reference signal is determined according to the reception information and/or channel information of the second reference signal Coding.The specified time range can choose the n-th+k closer time ranges of time quantum of distance, thus it is possible, on the one hand, root According to the reception information and/or channel information with associated second reference signal of the first reference signal received in the time range The precoding determined, the channel status that can originate sending time unit with the first reference signal match；On the other hand, The precoding that can not also have enough time to determine the first reference signal to avoid terminal.
In view of base station is likely to be received multiple associated with the first reference signal the in above-mentioned specified time range Two reference signals, therefore in the embodiment of the present application optionally, base station can be associated more with the first reference signal from what is received In a second reference signal, choose second reference signal, and according to the reception information of the second reference signal of selection and/or Channel information determines the precoding of the first reference signal.Optionally, the second selected reference signal can be the n-th+k of distance N-th of time quantum of front distance of the second nearest reference signal of a time quantum or n-th of time quantum it is nearest the The second nearest reference signal of n-th of time quantum of distance after two reference signals or n-th of time quantum.
In view of base station is in above-mentioned specified time range, may not receive and the first reference signal associated second Reference signal, then base station can decide the precoding of the first reference signal in its sole discretion, and be referred to the precoding determined to first The first reference signal after signal carries out precoding processing, after sending precoding.In other implementations, for this kind of situation, Base station can not send the first reference signal in first downgoing time unit for meeting n+k.
For example, it is referred to according to what is received in above-mentioned specified time range with the first reference signal associated second The reception information and/or channel information of signal, determine the precoding of the first reference signal, it may include following situations:
Situation 1: if time quantum of the base station between the n-th+k-T1 time quantums or the time quantum, has received With associated second reference signal of the first reference signal, then what base station can be received according to the time range believes with the first reference The reception information and/or channel information of number associated second reference signal, determine the precoding of the first reference signal.Wherein, T1 It is an integer not less than 0, specifically can be the value of base station configuration, is also possible to the value that base station is made an appointment with terminal.
Situation 2: if base station between the n-th+k-T1 time quantums and the n-th+k-T1 time quantums, have received with Associated second reference signal of first reference signal, then base station can be received according to the time range with the first reference signal The reception information and/or channel information of associated second reference signal, determine the precoding of the first reference signal.Wherein, T2 is One integer not less than 0, T2 are greater than T1, and the value that T2 can be base station and terminal is made an appointment can also be base station configuration Value.
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, it after base station receives new the second reference signal associated with the first reference signal, can abandon The reception information and/or channel information of the second reference signal retained before, and retain the second reference signal newly received Receive information and/or channel information.
Optionally, in further embodiments, base station 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, 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, it if base station is between the n-th+k-T2 time quantums and the n-th+k-T1 time quantums, has received With associated second reference signal of the first reference signal, then base station the starting sending time unit of the first reference signal start to Terminal sends the first reference signal；Otherwise, base station can not send first with reference to letter on the running time-frequency resource of the first reference signal Number, that is, base station can not distribute running time-frequency resource for the first 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 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 to meet first upstream time unit that number is n+r, wherein r For the integer or r=X more than or equal to R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.Especially Ground, R=0.Correspondingly, base station can receive and the first reference signal since the transmission start unit of second reference signal Associated second reference signal, and can be determined further according to the reception information and/or channel information of second reference signal The precoding of one 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 thereafter can satisfy uplink signal and upstream channel priority as defined in agreement Upstream time unit is the sending time unit of the second reference signal.
Optionally, the value of the R or X can be made an appointment by base station and terminal.The value of the R or X is also possible to base It stands by signaling to terminal.
Optionally, base station can in the following manner notify the value of the R or X to terminal:
Mode 1: base station sends DCI to terminal, which carries the value of the R or X.For example, base station can pass through In DCIA bit indicates the value of R, wherein M is the number of the possibility value of predefined R or X.
Mode 2: base station sends high-level signaling to terminal, which carries the value of the R or X.Wherein, the height Layer 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 or X, should A value is selected in DCI carrying from the multiple value.For example, base station is that terminal is configured with M by RRC signaling The possibility value of R or X, then by DCIA bit indicates the specific value of R or X.
Optionally, no matter terminal 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 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 send 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 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 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 running time-frequency resource, for example, 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 uplink signal, the first reference signal resource is sent.
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 uplink signal, the first reference signal resource is sent, wherein described first The priority of uplink signal is lower than first reference signal.
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 uplink signal, the first reference signal is not sent, wherein described second The priority of uplink signal is higher than first reference signal.
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 uplink 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 uplink signal, the first reference signal that base station is sent is received, wherein the The priority of one uplink signal is lower than the first reference signal.
Situation 3b: 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 second uplink signal, abandon receiving the first reference signal that base station is sent, In, the priority of the second uplink signal is higher than the first reference signal.
Optionally, in the embodiment of the present application, sending and receiving for reference signal can also carry out analog beam figuration.Specifically Ground, in some embodiments, base station are used for the reception wave beam forming information of the first reference signal to terminal instruction, and for the The transmission wave beam forming information of two reference signals.The wave beam forming information can indicate to come with reference to associated QCL signal It realizes.For example, the first reference signal is CSI-RS signal, base station instruction and CSI-RS resource corresponding to the CSI-RS signal The CSI-RS resource 2 of (being denoted as CSI-RS resource 1) space QCL, i.e. instruction terminal use are identical with CSI-RS resource 2 It sends wave beam and carries out SRS transmission.Optionally, the reception wave beam forming information of the first reference signal is indicated to terminal when base station, with And second reference signal transmission wave beam forming information, and when the first reference signal is associated with the second reference signal, terminal makes The reception wave beam forming information of the first reference signal indicated with base station carries out the transmission of the second 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 is used to send 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 is used to receive that the terminal trigger or activated signaling transmission according to first reference signal One reference signal；Wherein, the starting sending time unit of first reference signal is to meet first uplink that number is n+k Time quantum, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is big In or equal to K integer or k=Z, wherein K is integer more than or equal to 0, and Z is the integer more than or equal to 0.
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 is used to receive 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 is used to be triggered or be activated signaling to send the first ginseng to the base station according to first reference signal Examine signal；Wherein, the starting sending time unit of first reference signal is to meet first upstream time that number is n+k Unit, wherein n is used to identify the sending time element number of first reference signal triggering or activation signaling, k be greater than or Integer or k=Z equal to K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
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 is used to send 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 is used to send 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 is first upstream time unit that satisfaction number is n+k, wherein N is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is whole more than or equal to K Several or k=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
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 is used to be triggered according to first reference signal or signaling is activated to receive the first reference signal；Its In, the starting sending time unit of first reference signal is first upstream time unit that satisfaction number is n+k, wherein N is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is whole more than or equal to K Several or k=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
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.

Claims (44)

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 to meet first upstream time unit that number is n+k, Middle n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is more than or equal to K's Integer or k=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
2. 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 meet number be n+r first downgoing time unit, wherein r be more than or equal to R's Integer or r=X, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
3. method according to claim 2, which is characterized in that the value of the R or X is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the R or X to the terminal by signaling.
4. method according to claim 2, 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.
5. the method as described in claim 1, which is characterized in that the method also includes:
The base station indicates and associated second reference signal of first reference signal to the terminal；
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.
6. the method as described in claim 1, which is characterized in that the value of the K or Z is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the K or Z to the terminal by signaling.
7. 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 is first upstream time unit that satisfaction number is n+k, wherein N is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is whole more than or equal to K Several or k=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
8. the method for claim 7, 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 terminal triggers or activates signaling according to first reference signal, receives joining with described first for the base station transmission Associated second reference signal of signal is examined, the starting sending time unit of second reference signal is that satisfaction number is n+r's First downgoing time unit, wherein r is the integer or r=X more than or equal to R, and wherein R is the integer more than or equal to 0, X For the integer more than or equal to 0.
9. method according to claim 8, which is characterized in that the value of the R or X is preparatory by the base station and the terminal Agreement；Alternatively, the base station is notified the value of the R or X to the terminal by signaling.
10. method according to claim 8, which is characterized in that the method also includes:
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 sends the first reference signal to the base station, comprising:
The terminal sends the first reference signal after precoding to the base station.
11. the method for claim 7, which is characterized in that the method also includes:
The terminal receive that the base station sends with associated second reference signal of first reference signal；
The reception information and/or channel information for the second reference signal that the terminal is sent according to the base station received, really The precoding of fixed first reference signal；Wherein, second reference signal is associated with first reference signal.
12. method as claimed in claim 11, which is characterized in that the terminal sent according to the base station that receives the The reception information and/or channel information of two reference signals determine the precoding of first reference signal, comprising:
The reception information and/or channel information for the second reference signal that the terminal is arrived according at the appointed time range reception, really The precoding of fixed first reference signal.
13. method as claimed in claim 12, which is characterized in that the terminal arrived according at the appointed time range reception with The reception information and/or channel information of associated second reference signal of first reference signal determine the first reference letter Number precoding, comprising:
If the terminal receives associated second reference of multiple and first reference signal within the specified time Signal then selects second that the n-th+k of receiving time cell distance time quantums are nearest from the multiple second reference signal Reference signal, or the second reference signal that selection n-th of time quantum of receiving time cell distance is nearest, or when selection reception Between unit is after n-th of time quantum and n-th of time quantum of distance is nearest the second reference signal；Wherein, n-th of the time Unit is the receiving unit that first reference signal triggered or activated signaling；
The terminal determines first reference according to the reception information and/or channel information of the second reference signal selected The precoding of signal.
14. the method as described in any one of claim 8 to 13, which is characterized in that it is described it is receiving that the base station sends with Associated second reference signal of first reference signal, comprising:
The analog beam figuration information for being used to send the first reference signal that the terminal is indicated according to the base station, reception and institute State associated second reference signal of the first reference signal.
15. the method for claim 7, which is characterized in that the value of the K or Z is pre- by the base station and the terminal First arrange；Alternatively, the base station is notified the value of the K or Z to the terminal by signaling.
16. 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 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 to meet first upstream time unit that number is n+k, and wherein n is for identifying institute The sending time element number of the triggering of the first reference signal or activation signaling is stated, k is the integer or k=Z more than or equal to K, Middle K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
17. the method described in claim 16, 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 triggers or activates signaling according to first reference signal, receives joining with described first for the terminal transmission Associated second reference signal of signal is examined, the starting sending time unit of second reference signal is that satisfaction number is n+r's First downgoing time unit, wherein r is the integer or r=X more than or equal to R, and wherein R is the integer more than or equal to 0, X For the integer more than or equal to 0.
18. method as claimed in claim 17, which is characterized in that the value of the R or X is pre- by the base station and the terminal First arrange；Alternatively, the base station is notified the value of the R or X to the terminal by signaling.
19. method as claimed in claim 17, which is characterized in that the method also includes:
The base station is used to receive the analog beam figuration information of the first reference signal to terminal instruction, and for sending The analog beam figuration information of second reference signal.
20. the method described in claim 16, which is characterized in that the method also includes:
The base station receive that the terminal sends with associated second reference signal of first reference signal；
The reception information and/or channel information for the second reference signal that the base station is sent according to the terminal received, really The precoding of fixed first reference signal；Wherein, second reference signal is associated with first reference signal.
21. method as claimed in claim 20, which is characterized in that the base station sent according to the terminal that receives the The reception information and/or channel information of two reference signals determine the precoding of first reference signal, comprising:
The reception information and/or channel information for the second reference signal that the base station is arrived according at the appointed time range reception, really The precoding of fixed first reference signal.
22. method as claimed in claim 21, which is characterized in that the base station arrived according at the appointed time range reception with The reception information and/or channel information of associated second reference signal of first reference signal determine the first reference letter Number precoding, comprising:
If the base station receives associated second reference of multiple and first reference signal within the specified time Signal then selects second that the n-th+k of receiving time cell distance time quantums are nearest from the multiple second reference signal Reference signal, or the second reference signal that selection n-th of time quantum of receiving time cell distance is nearest, or when selection reception Between unit is after n-th of time quantum and n-th of time quantum of distance is nearest the second reference signal；Wherein, n-th of the time Unit is the receiving unit that first reference signal triggered or activated signaling；
The base station determines first reference according to the reception information and/or channel information of the second reference signal selected The precoding of signal.
23. the method described in claim 16, which is characterized in that the value of the K or Z is pre- by the base station and the terminal First arrange；Alternatively, the base station is notified the value of the K or Z to the terminal by signaling.
24. 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 to meet first upstream time unit that number is n+k, and wherein n is for identifying institute The sending time element number of the triggering of the first reference signal or activation signaling is stated, k is the integer or k=Z more than or equal to K, Middle K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
25. 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 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 meet number be n+r first upstream time unit, wherein r be more than or equal to R's Integer or r=X, wherein R is the integer more than or equal to 0, and X 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 R or X is pre- by the base station and the terminal First arrange；Alternatively, the base station is notified the value of the R or X to the terminal by signaling.
27. method as claimed in claim 25, which is characterized in that the method also includes:
The analog beam figuration information for being used to receive the first reference signal that the terminal is indicated according to the base station, transmission and institute State associated second reference signal of the first reference signal.
28. method as claimed in claim 24, which is characterized in that the value of the K or Z is pre- by the base station and the terminal First arrange；Alternatively, the base station is notified the value of the K or Z to the terminal by signaling.
29. a kind of base station characterized by comprising
First 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, the first reference for triggering or activating signaling to send according to first reference signal for receiving the terminal Signal；Wherein, the starting sending time unit of first reference signal is to meet first upstream time list that number is n+k Member, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is to be greater than or wait In the integer or k=Z of K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
30. base station as claimed in claim 29, 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 base station further include:
Second sending module is used for terminal transmission and associated second reference signal of first reference signal, described The starting sending time unit of second reference signal is to meet first downgoing time unit that number is n+r, wherein r is big In or equal to R integer or r=X, wherein R is integer more than or equal to 0, and X is the integer more than or equal to 0.
31. a kind of terminal characterized by comprising
First 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 is believed for being triggered or being activated signaling to send the first reference to the base station according to first reference signal Number；Wherein, the starting sending time unit of first reference signal is to meet first upstream time list that number is n+k Member, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is to be greater than or wait In the integer or k=Z of K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
32. terminal as claimed in claim 31, 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 terminal further include:
Second receiving module, for signaling to be triggered or activated according to first reference signal, receive that the base station sends with Associated second reference signal of first reference signal, the starting sending time unit of second reference signal are to meet to compile Number first downgoing time unit for being n+r, wherein r is integer or r=X more than or equal to R, wherein R be more than or equal to 0 integer, X are the integer more than or equal to 0.
33. a kind of base station characterized by comprising
Sending module, for sending the triggering of the first reference signal or activation signaling to terminal, first reference signal triggering or Activation signaling is used to indicate the terminal and receives the first reference signal；
First 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 is to meet first upstream time unit that number is n+k, and wherein n is used In the sending time element number for identifying first reference signal triggering or activation signaling, k be integer more than or equal to K or K=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
34. base station as claimed in claim 33, 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 base station further include:
Second receiving module, for signaling to be triggered or activated according to first reference signal, receive that the terminal sends with Associated second reference signal of first reference signal, the starting sending time unit of second reference signal are to meet to compile Number first upstream time unit for being n+r, wherein r is integer or r=X more than or equal to R, wherein R be more than or equal to 0 integer, X are the integer more than or equal to 0.
35. a kind of terminal characterized by comprising
Receiving module, for receiving the triggering of the first reference signal or activation signaling of base station transmission, 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；
First sending module, for being triggered according to first reference signal or signaling being activated to send the first reference signal；Wherein, The starting sending time unit of first reference signal is to meet first upstream time unit that number is n+k, and wherein n is used In the sending time element number for identifying first reference signal triggering or activation signaling, k be integer more than or equal to K or K=Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
36. terminal as claimed in claim 35, 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 terminal further include:
Second sending module is used for base station transmission and associated second reference signal of first reference signal, described The starting sending time unit of second reference signal is to meet first upstream time unit that number is n+r, wherein r is big In or equal to R integer or r=X, wherein R is integer more than or equal to 0, and X is the integer more than or equal to 0.
37. 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 is to meet first upstream time that number is n+k Unit, wherein n is used to identify the sending time element number of first reference signal triggering or activation signaling, k be greater than or Integer or k=Z equal to K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
38. base station as claimed in claim 37, 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 processor is also used to:
By the transceiver to the terminal send with associated second reference signal of first reference signal, described second The starting sending time unit of reference signal be meet number be n+r first downgoing time unit, wherein r be greater than or Integer or r=X equal to R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
39. 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, the starting sending time unit of first reference signal is to meet first upstream time list that number is n+k Member, wherein n is used to identify the sending time element number of the first reference signal triggering or activation signaling, and k is to be greater than or wait In the integer or k=Z of K, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
40. terminal as claimed in claim 39, 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 processor is also used to:
According to first reference signal trigger or activate signaling, by base station described in the transceiver send with it is described Associated second reference signal of first reference signal, the starting sending time unit of second reference signal are to meet number to be First downgoing time unit of n+r, wherein r is the integer or r=X more than or equal to R, and wherein R is more than or equal to 0 Integer, X are the integer more than or equal to 0.
41. 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:
The triggering of the first reference signal or activation signaling, the first reference signal triggering or sharp are sent to terminal with the transceiver 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 first reference signal is sent by the transceiver；Wherein, institute The starting sending time unit for stating the first reference signal is to meet first upstream time unit that number is n+k, and wherein n is used for The sending time element number of the first reference signal triggering or activation signaling is identified, k is the integer or k more than or equal to K =Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
42. base station as claimed in claim 41, 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 processor is also used to:
According to first reference signal trigger or activate signaling, by terminal described in the transceiver send with it is described Associated second reference signal of first reference signal, the starting sending time unit of second reference signal are to meet number to be First upstream time unit of n+r, wherein r is the integer or r=X more than or equal to R, and wherein R is more than or equal to 0 Integer, X are the integer more than or equal to 0.
43. 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, and the first reference signal is sent by the transceiver；Wherein, institute The starting sending time unit for stating the first reference signal is to meet first upstream time unit that number is n+k, and wherein n is used for The sending time element number of the first reference signal triggering or activation signaling is identified, k is the integer or k more than or equal to K =Z, wherein K is the integer more than or equal to 0, and Z is the integer more than or equal to 0.
44. terminal as claimed in claim 41, 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 processor is also used to:
By the transceiver to the base station send with associated second reference signal of first reference signal, described second The starting sending time unit of reference signal be meet number be n+r first upstream time unit, wherein r be greater than or Integer or r=X equal to R, wherein R is the integer more than or equal to 0, and X is the integer more than or equal to 0.
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