CN108260217A - A kind of method, apparatus and communication node of information transmission - Google Patents

A kind of method, apparatus and communication node of information transmission Download PDF

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Publication number
CN108260217A
CN108260217A CN201810180673.8A CN201810180673A CN108260217A CN 108260217 A CN108260217 A CN 108260217A CN 201810180673 A CN201810180673 A CN 201810180673A CN 108260217 A CN108260217 A CN 108260217A
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China
Prior art keywords
information
antenna
communication node
dci
sri
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Granted
Application number
CN201810180673.8A
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Chinese (zh)
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CN108260217B (en
Inventor
王瑜新
鲁照华
蒋创新
李儒岳
吴昊
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ZTE Corp
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ZTE Corp
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Priority to CN201810180673.8A priority Critical patent/CN108260217B/en
Publication of CN108260217A publication Critical patent/CN108260217A/en
Priority to PCT/CN2019/077031 priority patent/WO2019170089A1/en
Application granted granted Critical
Publication of CN108260217B publication Critical patent/CN108260217B/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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

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

Abstract

The embodiment of the invention discloses the method, apparatus and communication node of a kind of transmission of information, wherein, the method includes：First communication node controls the purposes in measuring reference signals resource identification SRI domains in information DCI by signaling or predefined mode configurating downlink；First communication node carries aerial information by SRI domains in the DCI and measuring reference signals SRS resource indicates at least one of information, the DCI is sent to the second communication node according to the purposes in SRI domains in the DCI.In the embodiment of the present invention, the first communication node can transmit aerial information to the second communication node, so as to fulfill for sending the flexible switching of the antenna of uplink signal or antenna sets.

Description

A kind of method, apparatus and communication node of information transmission
Technical field
The present invention relates to the communication technology, the espespecially a kind of method, apparatus and communication node of information transmission.
Background technology
With the development of the communication technology, data traffic requirement amount is continuously increased, and available low frequency carrier signal is also very dilute It lacks, is become based on high frequency (30~300GHz) carrier communication also underused solve following high-speed data communication as a result, One of important communication means.The available bandwidth of high frequency carrier communication is very big, can provide effective high-speed data communication.But A very big technological challenge facing of high frequency carrier communication is exactly rather low-frequency signals, high-frequency signal space decline very Greatly, although high-frequency signal can be caused the fading loss problem in space occur in outdoor communication, due to subtracting for its wavelength It is small, more antennas can be usually used, so as to communicate to compensate the fading loss in space based on wave beam.
But when antenna number increases, since each antenna being needed to have a set of radio frequency link at this time, based on digital beam Molding is also brought the problem of increasing cost and power attenuation.Therefore, compare in current research and tend to mixed-beam figuration, I.e. final wave beam is collectively formed in radio frequency beam and digital beam.
In new wireless access technology (New Radio Access Technology, abbreviation NR), high frequency communication system Downlink transmission beam is formed to compensate the spatial fading of high-frequency communication in addition to a large amount of antenna can be configured in the first communication node, second Communication node equally can also be configured a large amount of antenna and form uplink wave beam, at this time measuring reference signals (Sounding Reference Signal, referred to as SRS) transmission will also be sent in the form of wave beam.For the antenna of uplink signal Switching is sent, and there are no corresponding implementations in the relevant technologies.
Invention content
An embodiment of the present invention provides the method, apparatus and communication node of a kind of transmission of information, are sent with supporting The switching of the antenna of row signal.
An embodiment of the present invention provides a kind of information transmission method, including：
First communication node controls measuring reference signals in information DCI to provide by signaling or predefined mode configurating downlink The purposes in source mark SRI domains；
First communication node carries antenna by SRI domains in the DCI and believes according to the purposes in SRI domains in the DCI At least one of breath and measuring reference signals SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
The embodiment of the present invention additionally provides a kind of method of information transmission, including：
Aerial information is configured by predefined mode in first communication node；
First communication node indicates the aerial information, Huo Zhetong by having signaling in Downlink Control Information DCI The cyclic redundancy check code CRC for crossing DCI indicates the aerial information, and the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention additionally provides a kind of method of information transmission, including：
Second communication node determines that measuring reference signals provide in Downlink Control Information DCI by signaling or predefined mode The purposes in source mark SRI domains；
Second communication node receives the DCI, according to the purposes in SRI domains in the DCI, parses the SRI domains and takes The information of band knows at least one of aerial information and measuring reference signals SRS resource instruction information；
Wherein, the aerial information includes the antenna or antenna sets that second communication node is used to send uplink signal Information, the SRS resource instruction information, which is used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH, to be made SRS resource.
The embodiment of the present invention additionally provides a kind of method of information transmission, including：
Second communication node receives the DCI that the first communication node is sent, and according to predefined mode, has according in DCI Signaling knows that aerial information or the CRC by the DCI know the aerial information；
Second communication node is configured antenna or antenna sets according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention additionally provides a kind of device of information transmission, including：
First configuration module refers to for controlling to measure in information DCI by signaling or predefined mode configurating downlink The purposes in signal resource mark SRI domains；
First sending module, for according to the purposes in SRI domains in the DCI, antenna to be carried by SRI domains in the DCI At least one of information and measuring reference signals SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
The embodiment of the present invention additionally provides a kind of device of information transmission, including：
Second configuration module, for aerial information to be configured by predefined mode；
Second sending module has the signaling instruction aerial information, Huo Zhetong for passing through in Downlink Control Information DCI The cyclic redundancy check code CRC for crossing DCI indicates the aerial information, and the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention additionally provides a kind of device of information transmission, including：
Third determining module, for determining the use in SRI domains in Downlink Control Information DCI by signaling or predefined mode On the way；
Third receiving module, for receiving the DCI, according to measuring reference signals resource identification SRI domains in the DCI Purposes parses the information that the SRI domains carry, and knows at least one of aerial information and SRS resource instruction information；
Wherein, the aerial information includes the antenna or antenna sets that second communication node is used to send uplink signal Information, the SRS resource instruction information, which is used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH, to be made SRS resource.
The embodiment of the present invention additionally provides a kind of device of information transmission, including：
4th receiving module, for receiving the Downlink Control Information DCI that the first communication node is sent, according to predefined side Formula knows that aerial information or CRC by the DCI know the aerial information according to having signaling in DCI；
4th configuration module, for antenna or antenna sets to be configured according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention additionally provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Measuring reference signals resource identification SRI domains in information DCI are controlled by signaling or predefined mode configurating downlink Purposes；
According to the purposes in SRI domains in the DCI, aerial information and measuring reference signals are carried by SRI domains in the DCI At least one of SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
The embodiment of the present invention additionally provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Aerial information is configured by predefined mode；
The aerial information or the cyclic redundancy check code CRC instructions for passing through DCI are indicated by having signaling in DCI The DCI is sent to the second communication node by the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention additionally provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Measuring reference signals resource identification SRI domains in Downlink Control Information DCI are determined by signaling or predefined mode Purposes；
The DCI is received, according to the purposes in SRI domains in the DCI, the information that the SRI domains carry is parsed, knows antenna At least one of information and SRS resource instruction information；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets, the SRS resource Instruction information is used to indicate second communication node and sends SRS resource used in Physical Uplink Shared Channel PUSCH.
The embodiment of the present invention additionally provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The Downlink Control Information DCI of the first communication node transmission is received, according to predefined mode, is had according in DCI Signaling knows that aerial information or the CRC by the DCI know the aerial information；
Antenna or antenna sets are configured according to the aerial information；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored with computer executable instructions, institute Computer executable instructions are stated for performing the method for above-mentioned information transmission.
The embodiment of the present invention includes：First communication node controls information by signaling or predefined mode configurating downlink Measuring reference signals resource identification (SRS resource in (Downlink Control Information, referred to as DCI) Indicator, referred to as SRI) domain purposes；First communication node passes through institute according to the purposes in SRI domains in the DCI It states SRI domains in DCI and carries at least one of aerial information and measuring reference signals SRS resource instruction information, the DCI is sent out It send to the second communication node；Wherein, the aerial information includes the antenna or day that the second communication node is used to send uplink signal The information of line group, the SRS resource instruction information are used to indicate second communication node and send SRS moneys used in PUSCH Source.In the embodiment of the present invention, the first communication node can transmit aerial information to the second communication node, so as to fulfill for sending The antenna of uplink signal or the flexible switching of antenna sets.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this The embodiment of application technical solution for explaining the present invention together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the flow chart (first scheme, applied to the first communication section of method that the information of the embodiment of the present invention is transmitted Point)；
Fig. 2 is the flow chart (first scheme, applied to the second communication section of method that the information of the embodiment of the present invention is transmitted Point)；
Fig. 3 is the flow chart (alternative plan, applied to the first communication section of method that the information of the embodiment of the present invention is transmitted Point)；
Fig. 4 is the flow chart (alternative plan, applied to the second communication section of method that the information of the embodiment of the present invention is transmitted Point)；
Fig. 5 is the schematic diagram (first scheme, applied to the first communication section of device that the information of the embodiment of the present invention is transmitted Point)；
Fig. 6 is the schematic diagram (first scheme, applied to the second communication section of device that the information of the embodiment of the present invention is transmitted Point)；
Fig. 7 is the schematic diagram (alternative plan, applied to the first communication section of device that the information of the embodiment of the present invention is transmitted Point)；
Fig. 8 is the schematic diagram (alternative plan, applied to the second communication section of device that the information of the embodiment of the present invention is transmitted Point).
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application Feature mutually can arbitrarily combine.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable Sequence performs shown or described step.
In long term evolution (Long Term Evolution, referred to as LTE), Physical Downlink Control Channel (Physical Downlink Control Channel, referred to as PDCCH) for bearing downlink control information (Downlink Control Information, referred to as DCI), wherein, DCI may include uplink and downlink scheduling information and uplink power control information.DCI Form (format) is divided into DCI format 0,1,1A, 1B, 1C, 1D, 2,2A, 3,3A etc., behind evolution to LTE-A DCI format 2B, 2C, 2D are increased in Release 12 (LTE-A versions 12) again to support a variety of different applications and biography Defeated pattern.First communication node, such as evolved base station (e-Node-B, referred to as eNB) can be matched by Downlink Control Information Put the second communicating node device, such as user equipment (User Equipment, referred to as UE) or the second communicating node device Receive the configuration of high-rise (higher layers), UE is also referred to as configured by high-level signaling.
Measuring reference signals (Sounding Reference Signal, referred to as SRS) are that a kind of second communication node is set It is standby to be used for measuring radio channel information (Channel State Information, referred to as CSI) between the first communication node Signal.In long evolving system, frequency band, frequency domain position, sequence cyclic shift, period and the subframe that UE is indicated according to eNB are inclined It the parameters such as puts, periodically sends uplink SRS on the last one data symbol for sending subframe.ENB judges according to the SRS received The CSI of UE uplinks, and the operations such as frequency domain selection scheduling, close-loop power control are carried out according to obtained CSI.
It is proposed in the research of LTE-A Release 10 (LTE-A versions 10)：In uplink communication, it should using non-pre- The SRS of coding, i.e.,：The proprietary SRS of antenna, and to Physical Uplink Shared Channel (Physical Uplink Shared Channel, referred to as PUSCH) reference for demodulation signal (De Modulation Reference Signal, referred to as For DMRS) then carry out precoding.First communication node can estimate the original CSI of uplink by receiving non-precoded SRS, And the DMRS that have passed through precoding cannot then make the first communication node estimate the original CSI of uplink.At this point, when UE is used more days When line sends non-precoded SRS, each required SRS resources of UE can increase, and also having resulted in can be simultaneously in system The UE quantity of multiplexing declines.UE can pass through high-level signaling (also referred to as being triggered by trigger type0) or Downlink Control Information (also referred to as being triggered by trigger type 1) both triggering modes send SRS, are the period based on high-level signaling triggering SRS is aperiodic SRS based on Downlink Control Information triggering.Aperiodic transmission SRS is increased in LTE-A Release 10 Mode, improve the utilization rate of SRS resource to a certain extent, improve the flexibility of scheduling of resource.
In embodiments of the present invention, propose that the first communication node can transmit aerial information to the second communication node, with reality Existing second communication node is used to send the antenna of uplink signal or antenna sets flexibly switch.
In the embodiment of the present invention, two schemes may be used and realize that the first communication node transmits antenna to the second communication node Information.
The purposes in SRI domains in DCI is configured by signaling or predefined mode for first scheme, so as to by described SRI domains carry aerial information in DCI.
As shown in Figure 1, the method for the information transmission of the embodiment of the present invention, applied to the first communication node, including：
Step 101, the purposes in SRI domains in DCI is configured by signaling or predefined mode for the first communication node；
Step 102, first communication node is taken according to the purposes in SRI domains in the DCI by SRI domains in the DCI At least one of band aerial information and measuring reference signals SRS resource instruction information, the second communication section is sent to by the DCI Point；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
In the embodiment of the present invention, the first communication node can to the second communication node transmit aerial information, so as to fulfill with In the flexible switching for the antenna or antenna sets for sending uplink signal.
Wherein, in a kind of realization method, the first communication node can be base station, the cell (small cell) of macrocell Base station or the nodes such as the sending node in transmission node, high frequency communication system, the sending node in Internet of things system, second is logical It can be the node in the communication systems such as user terminal (UE), mobile phone, portable equipment, automobile to believe node.
Uplink signal can be SRS be either uplink demodulation reference signal or be carry out random access uplink letter Number it is either PUSCH signals or is Phase Tracking reference signal.
The information of the antenna or antenna sets can be the port of the identification information of antenna or antenna sets, antenna or antenna sets Information or antenna or the corresponding wave beam identification information of antenna sets.
The SRS resource instruction information can be the information such as SRS sequences, SRS time-frequency location parameters.
In one embodiment, the purposes in SRI domains in DCI is configured in first communication node by way of signaling, including：
First communication node sends wireless heterogeneous networks (Radio Resource to second communication node Control, referred to as RRC) signaling, the RRC signaling is used to that the purposes in the SRI domains to be configured.
In one embodiment, the purposes in SRI domains includes at least one of in the DCI：For being configured to codebooks modes PUSCH transmission when SRS resource instruction, for being configured to the Physical Uplink Shared Channel PUSCH transmission of non-codebooks modes when SRS resource instruction, for measuring reference signals SRS antenna switching, cut for the antenna of Physical Uplink Shared Channel PUSCH It changes；
The SRS resource instruction information includes at least one of：It is configured to the SRS during PUSCH transmission of codebooks modes Resource indication information, SRS resource instruction information when being configured to the PUSCH transmission of non-codebooks modes；The aerial information includes At least one of：For SRS antenna switch aerial information, for PUSCH antenna switch aerial information.
The SRI domains can serve to indicate that one or more in above-mentioned four kinds of purposes, and RRC signaling can carry multiple ratios Spy is used to represent the indicating mode.For example, SRI domains are used to indicate one kind in above-mentioned four kinds of purposes, there are 2 ratios in RRC signaling Spy is for representing the indicating mode, wherein SRS when 00 expression SRI domains are used to be configured to the PUSCH transmission of codebooks modes is provided SRS resource when source indicates, 01 expression SRI domains are used to be configured to the Physical Uplink Shared Channel PUSCH transmission of non-codebooks modes It indicates, 10 represent that SRI domains switch for the antenna of measuring reference signals SRS, 11 represent that SRI domains are used for Physical Uplink Shared Channel The antenna switching of PUSCH.
During using predefined mode, can be fixedly installed SRI domains can serve to indicate that one kind in above-mentioned four kinds of purposes or It is a variety of, for example, SRI domains are fixed carries above two SRS resource instruction information and two kinds of aerial informations simultaneously.
In one embodiment, the purposes for predefining SRI domains in the DCI is related to the SRS purposes being configured recently, when nearest When the SRS purposes of configuration switches for antenna, antenna of the SRI domains for SRS switches or is cut for the antenna of PUSCH in the DCI It changes.
The SRS purposes is alternatively referred to as SRS types.SRI domains can be configured by high-level signaling for the antenna of SRS to switch Or switch for the antenna of PUSCH.
Wherein, being configured recently before the SRS purposes that is configured recently can be time slot where the DCI or symbol SRS purposes or after can also being time slot where the DCI or symbol, the DCI come into force before the SRS being configured recently Purposes.
Aerial information is configured by predefined mode in alternative plan, and aerial information is carried by the DCI.
As shown in Fig. 2, the method for the information transmission of the embodiment of the present invention, applied to the first communication node, including：
Step 201, aerial information is configured by predefined mode in the first communication node；
Step 202, first communication node is by having the signaling instruction aerial information or passing through DCI in DCI Cyclic redundancy check code CRC indicate the aerial information, the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
In the embodiment of the present invention, the first communication node can to the second communication node transmit aerial information, so as to fulfill with In the flexible switching for the antenna or antenna sets for sending uplink signal.Moreover, it in this fashion, transmits aerial information and does not occupy More resources, so as to improve resource utilization.
Wherein, in a kind of realization method, the first communication node can be base station, the cell (small cell) of macrocell Base station or the nodes such as the sending node in transmission node, high frequency communication system, the sending node in Internet of things system, second is logical It can be the node in the communication systems such as user terminal (UE), mobile phone, portable equipment, automobile to believe node.
Uplink signal can be SRS be either uplink demodulation reference signal or be carry out random access uplink letter Number it is either PUSCH signals or is Phase Tracking reference signal.
The information of the antenna or antenna sets can be the port of the identification information of antenna or antenna sets, antenna or antenna sets Information or antenna or the corresponding wave beam identification information of antenna sets.
Wherein, first communication node indicates the aerial information by having signaling in DCI, can pass through DCI In have signaling and imply or the dominant instruction aerial information, wherein, implicit indication refers to that the signaling has other purposes, Not in the case of use, the aerial information can serve to indicate that.
In one embodiment, first communication node indicates the aerial information by having signaling in DCI, including：
When the PUSCH resource allocation informations carried in the DCI are type 0 (type 0), pass through the void in the DCI Intend resource block and identify (Frequency to Physical Resource Block mapped bits (VRB-to-PRB mapping bit) or frequency hopping Hopping flag) the instruction aerial information.
Wherein, PUSCH resource allocations are type 0, VRB-to-PRB mapping bit in Downlink Control Information and Frequency hopping flag are not used, and can serve to indicate that the aerial information.
For example, when PUSCH resource allocations are type 0, as the VRB-to-PRB mapping bit in Downlink Control Information Or Frequency hopping flag values be 0 when, it indicates that the antenna 0 or antenna sets 0 that the second communication node uses are sent Uplink signal；When VRB-to-PRB mapping bit or Frequency the hopping flag values in Downlink Control Information When being 1, it indicates that the antenna 1 or antenna sets 1 that the second communication node uses send uplink signal.So as to solve the second communication The channel reciprocity problem of the send chain way of node with reception chain way when inconsistent, such as the second communication node be configured to 1T2R, The situation of 2T4R, 4T8R.Wherein, T represents send chain way, and R represents that reception chain way, such as 1T2R represent that send chain way is 1, reception chain way is 2.
In one embodiment, first communication node indicates the aerial information by the CRC of DCI, including：
Using antenna selection mask and corresponding radio network temporary identifier (Radio Network Tempory Identity, referred to as RNTI) CRC check is carried out to DCI, the antenna selection mask indicates the aerial information.
For example, when configurating terminal transmission antenna selects, the antenna selection mask x shown in the following table 1 is usedAS, 0, xAS, 1..., xAS, 15With corresponding radio network temporary identifier (Radio Network Tempory Identity, referred to as RNTI) to DCI Carry out CRC check
Table 1
In one embodiment, the method further includes：
First communication node receives the antenna configuration information that second communication node is sent, the antenna configuration letter Breath includes at least one following：
The information of each corresponding antenna of radio frequency link or antenna sets；Such as (antenna 0, antenna 1), (antenna 2, antenna 3)；
The numbering of antenna.
Wherein, the numbering of the antenna may include：Serial number, such as (antenna 0, antenna 1, antenna 2, antenna 3) It is numbered with cross polarization, such as (antenna 0, antenna 2, antenna 1, antenna 3).
In one embodiment, the method further includes：
First communication node determines SRS resource port and antenna end by predefined mode and the second communication node The incidence relation of mouth, as shown in table 2 or table 3 or table 4 or table 5 or table 6 or table 7.
Alternatively, in view of the ability of the second different communication nodes, it is fixed with reference to the antenna number mode of the second communication node SRS resource (resource) port and antenna port incidence relation when adopted 1T8R, 2T8R, 4T8R.
By taking 4T8R as an example：
When the second communication node antenna number mode for (Ant.0, Ant.1, Ant.2, Ant.3, Ant.4, Ant.5, Ant.6, Ant.7) when, as shown in table 2：
2 SRS resource port of table and the incidence relation of antenna port
SRS ports Antenna port
The port 0 of first SRS resource Antenna port 0
The port 1 of first SRS resource Antenna port 2
The port 2 of first SRS resource Antenna port 4
The port 3 of first SRS resource Antenna port 6
The port 0 of second SRS resource Antenna port 1
The port 1 of second SRS resource Antenna port 3
The port 2 of second SRS resource Antenna port 5
The port 3 of second SRS resource Antenna port 7
When the second communication node antenna number mode for (Ant.0, Ant.4, Ant.1, Ant.5, Ant.2, Ant.6, Ant.3, Ant.7) when, as shown in table 3：
3 SRS resource port of table and the incidence relation of antenna port
SRS ports Antenna port
The port 0 of first SRS resource Antenna port 0
The port 1 of first SRS resource Antenna port 1
The port 2 of first SRS resource Antenna port 2
The port 3 of first SRS resource Antenna port 3
The port 0 of second SRS resource Antenna port 4
The port 1 of second SRS resource Antenna port 5
The port 2 of second SRS resource Antenna port 6
The port 3 of second SRS resource Antenna port 7
By taking 2T8R as an example：
When the second communication node antenna number mode for (Ant.0, Ant.1, Ant.2, Ant.3, Ant.4, Ant.5, Ant.6, Ant.7) when, as shown in table 4：
4 SRS resource port of table and the incidence relation of antenna port
SRS ports Antenna port
The port 0 of first SRS resource Antenna port 0
The port 1 of first SRS resource Antenna port 2
The port 0 of second SRS resource Antenna port 4
The port 1 of second SRS resource Antenna port 6
The port 0 of third SRS resource Antenna port 1
The port 1 of third SRS resource Antenna port 3
The port 0 of 4th SRS resource Antenna port 5
The port 1 of 4th SRS resource Antenna port 7
When the second communication node antenna number mode for (Ant.0, Ant.4, Ant.1, Ant.5, Ant.2, Ant.6, Ant.3, Ant.7) when, as shown in table 5：
5 SRS resource port of table and the incidence relation of antenna port
SRS ports Antenna port
The port 0 of first SRS resource Antenna port 0
The port 1 of first SRS resource Antenna port 1
The port 0 of second SRS resource Antenna port 2
The port 1 of second SRS resource Antenna port 3
The port 0 of third SRS resource Antenna port 4
The port 1 of third SRS resource Antenna port 5
The port 0 of 4th SRS resource Antenna port 6
The port 1 of 4th SRS resource Antenna port 7
By taking 1T8R as an example：
When the second communication node antenna number mode for (Ant.0, Ant.1, Ant.2, Ant.3, Ant.4, Ant.5, Ant.6, Ant.7) when, as shown in table 6：
6 SRS resource port of table and the incidence relation of antenna port
When the second communication node antenna number mode for (Ant.0, Ant.4, Ant.1, Ant.5, Ant.2, Ant.6, Ant.3, Ant.7) when, as shown in table 7：
7 SRS resource port of table and the incidence relation of antenna port
SRS ports Antenna port
The port 0 of first SRS resource Antenna port 0
The port 0 of second SRS resource Antenna port 1
The port 0 of third SRS resource Antenna port 2
The port 0 of 4th SRS resource Antenna port 3
The port 0 of 5th SRS resource Antenna port 4
The port 0 of 6th SRS resource Antenna port 5
The port 0 of 7th SRS resource Antenna port 6
The port 0 of 8th SRS resource Antenna port 7
The transmission of SRS can allow the first communication node, to support downlink data transmission, to pass through above-mentioned side using channel reciprocity The antenna of uplink signal can be switched and set up mapping relations with the switching of the antenna of SRS by formula.
Correspondingly, for above-mentioned first scheme, as shown in figure 3, the method for the information transmission of the embodiment of the present invention, is applied to Second communication node, including：
Step 301, the second communication node determines the purposes in SRI domains in DCI by signaling or predefined mode；
Step 302, second communication node receives the DCI, according to the purposes in SRI domains in the DCI, described in parsing The information that SRI domains carry knows at least one of aerial information and SRS resource instruction information；
Wherein, the aerial information includes the antenna or antenna sets that second communication node is used to send uplink signal Information, the SRS resource instruction information, which is used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH, to be made SRS resource.
In the embodiment of the present invention, the second communication node can receive the first communication node and transmit aerial information, so as to fulfill For sending the flexible switching of the antenna of uplink signal or antenna sets.
Wherein, in a kind of realization method, the first communication node can be base station, the cell (small cell) of macrocell Base station or the nodes such as the sending node in transmission node, high frequency communication system, the sending node in Internet of things system, second is logical It can be the node in the communication systems such as user terminal (UE), mobile phone, portable equipment, automobile to believe node.
Uplink signal can be SRS be either uplink demodulation reference signal or be carry out random access uplink letter Number it is either PUSCH signals or is Phase Tracking reference signal.
The information of the antenna or antenna sets can be the port of the identification information of antenna or antenna sets, antenna or antenna sets Information or antenna or the corresponding wave beam identification information of antenna sets.
The SRS resource instruction information can be the information such as SRS sequences, SRS time-frequency location parameters.
In one embodiment, when second communication node knows the aerial information, the method further includes：
Second communication node is configured antenna or antenna sets according to the aerial information.
Due to antenna or antenna sets have corresponding correspondence with wave beam or the second communication node is according to the day Wave beam is configured in line information.
In one embodiment, second communication node determines the purposes in SRI domains in DCI by way of signaling, including：
Second communication node receives the radio resource control RRC signaling that first communication node is sent, the RRC Signaling is used to be configured the purposes in the SRI domains.
In one embodiment, the purposes in SRI domains includes at least one of in the DCI：For being configured to codebooks modes PUSCH transmission when SRS resource instruction, for being configured to the Physical Uplink Shared Channel PUSCH transmission of non-codebooks modes when SRS resource instruction, for measuring reference signals SRS antenna switching, cut for the antenna of Physical Uplink Shared Channel PUSCH It changes；
The SRS resource instruction information includes at least one of：It is configured to the SRS during PUSCH transmission of codebooks modes Resource indication information, SRS resource instruction information when being configured to the PUSCH transmission of non-codebooks modes；The aerial information includes At least one of：For SRS antenna switch aerial information, for PUSCH antenna switch aerial information.
The SRI domains can serve to indicate that one or more in above-mentioned four kinds of purposes, and RRC signaling can carry multiple ratios Spy is used to represent the indicating mode.For example, SRI domains are used to indicate one kind in above-mentioned four kinds of purposes, there are 2 ratios in RRC signaling Spy is for representing the indicating mode, wherein SRS when 00 expression SRI domains are used to be configured to the PUSCH transmission of codebooks modes is provided SRS resource when source indicates, 01 expression SRI domains are used to be configured to the Physical Uplink Shared Channel PUSCH transmission of non-codebooks modes It indicates, 10 represent that SRI domains switch for the antenna of measuring reference signals SRS, 11 represent that SRI domains are used for Physical Uplink Shared Channel The antenna switching of PUSCH.
During using predefined mode, can be fixedly installed SRI domains can serve to indicate that one kind in above-mentioned four kinds of purposes or It is a variety of, for example, SRI domains are fixed carries above two SRS resource instruction information and two kinds of aerial informations simultaneously.
In one embodiment, second communication node determines the purposes in SRI domains in DCI by predefined mode, packet It includes：
The purposes for predefining SRI domains in the DCI is related to the SRS purposes being configured recently, when the SRS purposes being configured recently When switching for antenna, SRI domains switch for the antenna switching of SRS or for the antenna of PUSCH in the DCI.
The SRS purposes is alternatively referred to as SRS types.SRI domains can be configured by high-level signaling for the antenna of SRS to switch Or switch for the antenna of PUSCH.
Wherein, being configured recently before the SRS purposes that is configured recently can be time slot where the DCI or symbol SRS purposes or after can also being time slot where the DCI or symbol, the DCI come into force before the SRS being configured recently Purposes.
Correspondingly, for above-mentioned alternative plan, as shown in figure 4, the method for the information transmission of the embodiment of the present invention, is applied to Second communication node, including：
Step 401, the second communication node receives the DCI that the first communication node is sent, according to predefined mode, according to Have signaling in DCI and know that aerial information or the CRC by the DCI know the aerial information；
Step 402, second communication node is configured antenna or antenna sets according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
In the embodiment of the present invention, the second communication node can receive the aerial information of the first communication node transmission, so as to real The current flexible switching in the antenna or antenna sets that send uplink signal.Moreover, in this fashion, transmitting aerial information does not have Occupy more resources, so as to improve resource utilization.
Wherein, in a kind of realization method, the first communication node can be base station, the cell (small cell) of macrocell Base station or the nodes such as the sending node in transmission node, high frequency communication system, the sending node in Internet of things system, second is logical It can be the node in the communication systems such as user terminal (UE), mobile phone, portable equipment, automobile to believe node.
Uplink signal can be SRS be either uplink demodulation reference signal or be carry out random access uplink letter Number it is either PUSCH signals or is Phase Tracking reference signal.
The information of the antenna or antenna sets can be the port of the identification information of antenna or antenna sets, antenna or antenna sets Information or antenna or the corresponding wave beam identification information of antenna sets.
Wherein, aerial information is known according to having signaling in DCI, can be implied or dominant by having signaling in DCI Instruction know the aerial information, wherein, implicit instruction refers to that the signaling has other purposes, in the feelings not used Under condition, the aerial information can serve to indicate that.
In one embodiment, it is described according to predefined mode, know aerial information according to having signaling in DCI, including：
When the PUSCH resource allocation informations carried in the DCI received are type 0 (type 0), according to described Virtual resource blocks in DCI are identified to Physical Resource Block mapped bits (VRB-to-PRB mapping bit) or frequency hopping (Frequency hopping flag) knows the aerial information.
Wherein, PUSCH resource allocations are type 0, VRB-to-PRB mapping bit in Downlink Control Information and Frequency hopping flag are not used, and can serve to indicate that the aerial information.
For example, when PUSCH resource allocations are type 0, as the VRB-to-PRB mapping bit in Downlink Control Information Or Frequency hopping flag values when being 0, then the second communication node uses antenna 0 or antenna sets 0 send uplink Signal；When the VRB-to-PRB mapping bit or Frequency hopping flag values in Downlink Control Information are 1 When, then the second communication node uses antenna 1 or antenna sets 1 send uplink signal.So as to solve the second communication node Channel reciprocity problem when send chain way and reception chain way are inconsistent, such as the second communication node be configured to 1T2R, 2T4R, The situation of 4T8R.Wherein, T represents send chain way, and R represents that reception chain way, such as 1T2R represent that send chain way is 1, connects It is 2 to receive number of links.
In one embodiment, it is described according to predefined mode, the aerial information is known by the CRC of the DCI, is wrapped It includes：
The antenna selection mask according to used in carrying out CRC check to DCI knows the aerial information.
For example, according to the antenna selection mask x used in table 1AS, 0, xAS, 1..., xAS, 15, can know corresponding day The port information of line or antenna sets.
In one embodiment, the method further includes：
Second communication node includes such as to the first communication node transmission antenna configuration information, the antenna configuration information It is at least one lower：
The information of each corresponding antenna of radio frequency link or antenna sets；Such as (antenna 0, antenna 1), (antenna 2, antenna 3)；
The numbering of antenna.
Wherein, the numbering of the antenna may include：Serial number, such as (antenna 0, antenna 1, antenna 2, antenna 3) It is numbered with cross polarization, such as (antenna 0, antenna 2, antenna 1, antenna 3).
In one embodiment, the method further includes：
Second communication node determines SRS resource port and antenna end by predefined mode and the first communication node The incidence relation of mouth, as shown in table 2 or table 3 or table 4 or table 5 or table 6 or table 7.
Alternatively, in view of the ability of the second different communication nodes, it is fixed with reference to the antenna number mode of the second communication node SRS resource (resource) port and antenna port incidence relation when adopted 1T8R, 2T8R, 4T8R.
By taking 4T8R as an example：
When the second communication node antenna number mode for (Ant.0, Ant.1, Ant.2, Ant.3, Ant.4, Ant.5, Ant.6, Ant.7) when, as shown in table 2.
When the second communication node antenna number mode for (Ant.0, Ant.4, Ant.1, Ant.5, Ant.2, Ant.6, Ant.3, Ant.7) when, as shown in table 3.
The transmission of SRS can allow the first communication node, to support downlink data transmission, to pass through above-mentioned side using channel reciprocity The antenna of uplink signal can be switched and set up mapping relations with the switching of the antenna of SRS by formula.
The embodiment of the present invention also provides a kind of device of information transmission, which is used to implement above-described embodiment and embodiment party Formula had carried out repeating no more for explanation.As used below, term " module " can realize the software of predetermined function And/or the combination of hardware.Although following embodiment described device can be realized with software, hardware or software Realization with the combination of hardware is also what may and be contemplated.
As shown in figure 5, the device of the information transmission of the embodiment of the present invention, applied to the first communication node, corresponding first party Case, including：
First configuration module 51 is joined for controlling to measure in information DCI by signaling or predefined mode configurating downlink Examine the purposes in signal resource mark SRI domains；
First sending module 52, for according to the purposes in SRI domains in the DCI, day to be carried by SRI domains in the DCI At least one of line information and measuring reference signals SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
In the embodiment of the present invention, the first communication node can to the second communication node transmit aerial information, so as to fulfill with In the flexible switching for the antenna or antenna sets for sending uplink signal.
In one embodiment, first configuration module 51, is used for：
Radio resource control RRC signaling is sent to second communication node, the RRC signaling is used to that the SRI to be configured The purposes in domain.
In one embodiment, the purposes in SRI domains includes at least one of in the DCI：For being configured to codebooks modes PUSCH transmission when SRS resource instruction, for being configured to the Physical Uplink Shared Channel PUSCH transmission of non-codebooks modes when SRS resource instruction, for measuring reference signals SRS antenna switching, cut for the antenna of Physical Uplink Shared Channel PUSCH It changes；
The SRS resource instruction information includes at least one of：It is configured to the SRS during PUSCH transmission of codebooks modes Resource indication information, SRS resource instruction information when being configured to the PUSCH transmission of non-codebooks modes；The aerial information includes At least one of：For SRS antenna switch aerial information, for PUSCH antenna switch aerial information.
In one embodiment, first configuration module 51, is used for：Predefine the DCI in SRI domains purposes with recently The SRS purposes of configuration is related, and when the SRS purposes being configured recently switches for antenna, SRI domains are used for the antenna of SRS in the DCI Switching switches for the antenna of PUSCH.
In one embodiment, it further includes：
First receiving module, for receiving the antenna configuration information that second communication node is sent, the antenna configuration Information includes at least one of：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
In one embodiment, the numbering of the antenna includes at least one of：Serial number and cross polarization are compiled Number.
In one embodiment, it further includes：
First determining module, for determining SRS resource port and antenna by predefined mode and the second communication node The incidence relation of port.
As shown in fig. 6, the device of the information transmission of the embodiment of the present invention, applied to the first communication node, corresponding second party Case, including：
Second configuration module 61, for aerial information to be configured by predefined mode；
Second sending module 62 has the signaling instruction aerial information or following by DCI for passing through in DCI Ring redundancy check code CRC indicates the aerial information, and the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
In the embodiment of the present invention, the first communication node can to the second communication node transmit aerial information, so as to fulfill with In the flexible switching for the antenna or antenna sets for sending uplink signal.Moreover, it in this fashion, transmits aerial information and does not occupy More resources, so as to improve resource utilization.
In one embodiment, second sending module 62, is used for：
When the PUSCH resource allocation informations carried in the DCI are type 0, pass through the virtual resource blocks in the DCI The aerial information is indicated to Physical Resource Block mapped bits or frequency hopping mark.
In one embodiment, second sending module 62, is used for：
CRC check, the antenna are carried out to DCI using antenna selection mask and corresponding radio network temporary identifier RNTI Selection mask indicates the aerial information.
In one embodiment, it further includes：
Second receiving module, for receiving the antenna configuration information that second communication node is sent, the antenna configuration Information includes at least one of：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
In one embodiment, the numbering of the antenna includes at least one following：Serial number and cross polarization are compiled Number.
In one embodiment, it further includes：
Second determining module, for determining SRS resource port and antenna by predefined mode and the second communication node The incidence relation of port.
As shown in fig. 7, the device of the information transmission of the embodiment of the present invention, applied to the second communication node, corresponding first party Case, including：
Third determining module 71, for determining the purposes in SRI domains in DCI by signaling or predefined mode；
Third receiving module 72 for receiving the DCI, according to the purposes in SRI domains in the DCI, parses the SRI domains The information of carrying knows at least one of aerial information and SRS resource instruction information；
Wherein, the aerial information includes the antenna or antenna sets that second communication node is used to send uplink signal Information, the SRS resource instruction information, which is used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH, to be made SRS resource.
In the embodiment of the present invention, the second communication node can receive the first communication node and transmit aerial information, so as to fulfill For sending the flexible switching of the antenna of uplink signal or antenna sets.
In one embodiment, it further includes：
Third configuration module, for antenna or antenna sets to be configured according to the aerial information.
In one embodiment, the third determining module 71, is used for：
Second communication node receives the radio resource control RRC signaling that first communication node is sent, the RRC Signaling is used to be configured the purposes in the SRI domains.
In one embodiment, the third determining module 71, is used for：
The purposes for predefining SRI domains in the DCI is related to the SRS purposes being configured recently, when the SRS purposes being configured recently When switching for antenna, SRI domains switch for the antenna switching of SRS or for the antenna of PUSCH in the DCI.
In one embodiment, it further includes：
Third sending module, for second node transmission antenna configuration information, the antenna configuration information to include following At least one：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
In one embodiment, it further includes：
4th determining module, for determining SRS resource port and antenna by predefined mode and the first communication node The incidence relation of port.
As shown in figure 8, the device of the information transmission of the embodiment of the present invention, applied to the second communication node, corresponding second party Case, including：
4th receiving module 81, for receiving the DCI that the first communication node is sent, according to predefined mode, according to DCI In have signaling know that aerial information or the CRC by the DCI know the aerial information；
4th configuration module 82, for antenna or antenna sets to be configured according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
In the embodiment of the present invention, the second communication node can receive the aerial information of the first communication node transmission, so as to real The current flexible switching in the antenna or antenna sets that send uplink signal.Moreover, in this fashion, transmitting aerial information does not have Occupy more resources, so as to improve resource utilization.
In one embodiment, it further includes：
4th sending module, for the first communication node transmission antenna configuration information, the antenna configuration information Including at least one following：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
In one embodiment, it further includes：
5th determining module, for determining SRS resource port and antenna by predefined mode and the first communication node The incidence relation of port.
The embodiment of the present invention also provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Measuring reference signals resource identification SRI domains in information DCI are controlled by signaling or predefined mode configurating downlink Purposes；
According to the purposes in SRI domains in the DCI, aerial information and measuring reference signals are carried by SRI domains in the DCI At least one of SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
The embodiment of the present invention also provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Aerial information is configured by predefined mode；
The aerial information or the cyclic redundancy check code CRC instructions for passing through DCI are indicated by having signaling in DCI The DCI is sent to the second communication node by the aerial information；
Wherein, the aerial information includes the second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath.
The embodiment of the present invention also provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The purposes in SRI domains in DCI is determined by signaling or predefined mode；
The DCI is received, according to the purposes in SRI domains in the DCI, the information that the SRI domains carry is parsed, knows antenna At least one of information and SRS resource instruction information；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets, the SRS resource Instruction information is used to indicate second communication node and sends SRS resource used in Physical Uplink Shared Channel PUSCH.
The embodiment of the present invention also provides a kind of communication node, including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The DCI of the first communication node transmission is received, according to predefined mode, knows antenna according to having signaling in DCI Information knows the aerial information by the CRC of the DCI；
Antenna or antenna sets are configured according to the aerial information；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored with computer executable instructions, described The method that computer executable instructions are used for above- mentioned information transmission.
In the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM, Read- Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. The various media that can store program code.
Obviously, those skilled in the art should be understood that the module of the above-mentioned embodiment of the present invention or step can be used and be led to Computing device realizes that they can concentrate on single computing device or be distributed in multiple computing device institutes group Into network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are deposited Storage is performed, and in some cases by computing device in the storage device, can perform institute with the sequence being different from herein They are either fabricated to integrated circuit modules or by the multiple modules or step in them by the step of showing or describing respectively Suddenly single integrated circuit module is fabricated to realize.In this way, the embodiment of the present invention is not limited to any specific hardware and software With reference to.
Although disclosed herein embodiment as above, the content only for ease of understanding the present invention and use Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.

Claims (31)

1. a kind of method of information transmission, including：
First communication node controls measuring reference signals resource mark in information DCI by signaling or predefined mode configurating downlink Know the purposes in SRI domains；
First communication node according to SRI domains in the DCI purposes, by the DCI SRI domains carry aerial information and At least one of measuring reference signals SRS resource instruction information, the second communication node is sent to by the DCI；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets, institute It states SRS resource instruction information and is used to indicate SRS used in the second communication node transmission Physical Uplink Shared Channel PUSCH Resource.
2. the method as described in claim 1, which is characterized in that DCI is configured in first communication node by way of signaling The purposes in middle SRI domains, including：
First communication node sends radio resource control RRC signaling to second communication node, and the RRC signaling is used for The purposes in the SRI domains is configured.
3. method as claimed in claim 1 or 2, which is characterized in that
The purposes in SRI domains includes at least one of in the DCI：For the SRS being configured to during the PUSCH transmission of codebooks modes Resource instruction, for be configured to during the PUSCH transmission of non-codebooks modes SRS resource instruction, for SRS antenna switching, use Switch in the antenna of PUSCH；
The SRS resource instruction information includes at least one of：It is configured to the SRS resource during PUSCH transmission of codebooks modes SRS resource when indicating information, being configured to the PUSCH transmission of non-codebooks modes indicates information；The aerial information includes following At least one：For SRS antenna switch aerial information, for PUSCH antenna switch aerial information.
4. the method as described in claim 1, which is characterized in that first communication node is configured down by predefined mode The purposes in measuring reference signals resource identification SRI domains in row control information DCI, including：
The purposes for predefining SRI domains in the DCI is related to the SRS purposes being configured recently, when the SRS purposes being configured recently is day When line switches, SRI domains switch for the antenna switching of SRS or for the antenna of PUSCH in the DCI.
5. the method as described in claim 1, which is characterized in that the method further includes：
First communication node receives the antenna configuration information that second communication node is sent, the antenna configuration information packet Include at least one of：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
6. method as claimed in claim 5, which is characterized in that the numbering of the antenna includes at least one of：It is suitable Sequence is numbered and cross polarization number.
7. the method as described in claim 1, which is characterized in that the method further includes：
First communication node determines SRS resource port and antenna port by predefined mode and the second communication node Incidence relation.
8. a kind of method of information transmission, including：
Aerial information is configured by predefined mode in first communication node；
First communication node is by having the signaling instruction aerial information or passing through DCI in Downlink Control Information DCI Cyclic redundancy check code CRC indicate the aerial information, the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets.
9. method as claimed in claim 8, which is characterized in that first communication node is indicated by having signaling in DCI The aerial information, including：
When the Physical Uplink Shared Channel PUSCH resource allocation informations carried in the DCI are type 0, by the DCI Virtual resource blocks indicate the aerial information to Physical Resource Block mapped bits or frequency hopping mark.
10. method as claimed in claim 8, which is characterized in that first communication node passes through described in the CRC instructions of DCI Aerial information, including：
CRC check, the day line options are carried out to DCI using antenna selection mask and corresponding radio network temporary identifier RNTI Mask indicates the aerial information.
11. method as claimed in claim 8, which is characterized in that the method further includes：
First communication node receives the antenna configuration information that second communication node is sent, the antenna configuration information packet Include at least one of：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
12. method as claimed in claim 11, which is characterized in that the numbering of the antenna includes at least one following： Serial number and cross polarization number.
13. method as claimed in claim 8, which is characterized in that the method further includes：
First communication node determines SRS resource port and antenna port by predefined mode and the second communication node Incidence relation.
14. a kind of method of information transmission, including：
Second communication node determines measuring reference signals resource mark in Downlink Control Information DCI by signaling or predefined mode Know the purposes in SRI domains；
Second communication node receives the DCI, according to the purposes in SRI domains in the DCI, parses what the SRI domains carried Information knows at least one of aerial information and measuring reference signals SRS resource instruction information；
Wherein, the aerial information includes second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
15. method as claimed in claim 14, which is characterized in that when second communication node knows the aerial information, The method further includes：
Second communication node is configured antenna or antenna sets according to the aerial information.
16. method as claimed in claim 14, which is characterized in that second communication node is determined by way of signaling The purposes in SRI domains in DCI, including：
Second communication node receives the radio resource control RRC signaling that first communication node is sent, the RRC signaling For the purposes in the SRI domains to be configured.
17. method as claimed in claim 14, which is characterized in that second communication node is determined by predefined mode The purposes in SRI domains in DCI, including：
The purposes for predefining SRI domains in the DCI is related to the SRS purposes being configured recently, when the SRS purposes being configured recently is day When line switches, SRI domains switch for the antenna switching of SRS or for the antenna of PUSCH in the DCI.
18. method as claimed in claim 14, which is characterized in that the method further includes：
Second communication node to the first communication node transmission antenna configuration information, the antenna configuration information include with down toward It is one of few：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
19. method as claimed in claim 14, which is characterized in that the method further includes：
Second communication node determines SRS resource port and antenna port by predefined mode and the first communication node Incidence relation.
20. a kind of method of information transmission, including：
Second communication node receives the DCI that the first communication node is sent, according to predefined mode, according to signaling existing in DCI Know that aerial information or the CRC by the DCI know the aerial information；
Second communication node is configured antenna or antenna sets according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets.
21. method as claimed in claim 20, which is characterized in that the method further includes：
Second communication node includes such as to the first communication node transmission antenna configuration information, the antenna configuration information It is at least one lower：
The information of each corresponding antenna of radio frequency link or antenna sets；
The numbering of antenna.
22. method as claimed in claim 20, which is characterized in that the method further includes：
Second communication node determines SRS resource port and antenna port by predefined mode and the first communication node Incidence relation.
23. a kind of device of information transmission, which is characterized in that including：
First configuration module, for controlling measuring reference signals in information DCI by signaling or predefined mode configurating downlink The purposes in resource identification SRI domains；
First sending module, for according to the purposes in SRI domains in the DCI, aerial information to be carried by SRI domains in the DCI At least one of information is indicated with measuring reference signals SRS resource, and the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets, institute It states SRS resource instruction information and is used to indicate SRS used in the second communication node transmission Physical Uplink Shared Channel PUSCH Resource.
24. a kind of device of information transmission, which is characterized in that including：
Second configuration module, for aerial information to be configured by predefined mode；
Second sending module has signaling and indicates the aerial information or pass through for passing through in Downlink Control Information DCI The cyclic redundancy check code CRC of DCI indicates the aerial information, and the DCI is sent to the second communication node；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets.
25. a kind of device of information transmission, which is characterized in that including：
Third determining module, for determining the purposes in SRI domains in Downlink Control Information DCI by signaling or predefined mode；
Third receiving module, for receiving the DCI, according to the use in measuring reference signals resource identification SRI domains in the DCI On the way, the information that the SRI domains carry is parsed, knows at least one of aerial information and SRS resource instruction information；
Wherein, the aerial information includes second communication node for sending the letter of the antenna of uplink signal or antenna sets Breath, the SRS resource instruction information are used to indicate the second communication node transmission Physical Uplink Shared Channel PUSCH and are used SRS resource.
26. a kind of device of information transmission, which is characterized in that including：
4th receiving module, for receiving the Downlink Control Information DCI that the first communication node is sent, according to predefined mode, Know that aerial information or CRC by the DCI know the aerial information according to having signaling in DCI；
4th configuration module, for antenna or antenna sets to be configured according to the aerial information；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets.
27. a kind of communication node, which is characterized in that including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The use in measuring reference signals resource identification SRI domains in information DCI is controlled by signaling or predefined mode configurating downlink On the way；
According to the purposes in SRI domains in the DCI, aerial information and measuring reference signals SRS are carried by SRI domains in the DCI The DCI is sent to the second communication node by least one of resource indication information；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets, institute It states SRS resource instruction information and is used to indicate SRS used in the second communication node transmission Physical Uplink Shared Channel PUSCH Resource.
28. a kind of communication node, which is characterized in that including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
Aerial information is configured by predefined mode；
The aerial information is indicated by having signaling in DCI or by described in the cyclic redundancy check code CRC instructions of DCI The DCI is sent to the second communication node by aerial information；
Wherein, the aerial information includes the second communication node for sending the information of the antenna of uplink signal or antenna sets.
29. a kind of communication node, which is characterized in that including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The use in measuring reference signals resource identification SRI domains in Downlink Control Information DCI is determined by signaling or predefined mode On the way；
The DCI is received, according to the purposes in SRI domains in the DCI, the information that the SRI domains carry is parsed, knows aerial information At least one of information is indicated with SRS resource；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets, the SRS resource instruction Information is used to indicate second communication node and sends SRS resource used in Physical Uplink Shared Channel PUSCH.
30. a kind of communication node, which is characterized in that including：
Processor；
For storing the memory of the processor-executable instruction；
For carrying out the transmitting device of information transmit-receive communication according to the control of the processor；
Wherein, the processor is for performing the following operations：
The Downlink Control Information DCI of the first communication node transmission is received, according to predefined mode, according to signaling existing in DCI Know that aerial information or the CRC by the DCI know the aerial information；
Antenna or antenna sets are configured according to the aerial information；
Wherein, the aerial information includes sending the antenna of uplink signal or the information of antenna sets.
31. a kind of computer readable storage medium, is stored with computer executable instructions, the computer executable instructions are used for The method of any one of perform claim requirement 1-22.
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