CN110535603A - Data transmission and data method of reseptance, device and storage medium - Google Patents

Data transmission and data method of reseptance, device and storage medium Download PDF

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Publication number
CN110535603A
CN110535603A CN201910252305.4A CN201910252305A CN110535603A CN 110535603 A CN110535603 A CN 110535603A CN 201910252305 A CN201910252305 A CN 201910252305A CN 110535603 A CN110535603 A CN 110535603A
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CN
China
Prior art keywords
transmission
channel state
state information
bandwidth
transmission band
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Pending
Application number
CN201910252305.4A
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Chinese (zh)
Inventor
边峦剑
戴博
刘锟
杨维维
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
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Priority to CN201910252305.4A priority Critical patent/CN110535603A/en
Publication of CN110535603A publication Critical patent/CN110535603A/en
Priority to PCT/CN2020/079816 priority patent/WO2020199915A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Abstract

The application proposes a kind of transmission of data and data method of reseptance, device and computer readable storage medium.Wherein data transmission method includes: to send channel state information reference signals based on configuration information；The configuration information is sent to the second communication node.The embodiment of the present invention is based on configuration information and sends channel state information reference signals, and the configuration information is sent to the second communication node, so that the second communication node can be handled channel state information reference signals according to configuration information, interference between transmission bandwidth can also be avoided by the way that configuration information is rationally arranged.

Description

Data transmission and data method of reseptance, device and storage medium
Technical field
This application involves cordless communication networks, and in particular to a kind of transmission of data and data method of reseptance, device, system and Storage medium.
Background technique
In Release-15 version and pervious machine type communication (Machine Type Communication, MTC) In, channel state information (Channel State Information, CSI) measurement is based on cell special reference (Cell-specific Reference Signal, CRS) is completed.Either low complex degree terminal is also that non-low complex degree is whole End all carries out CSI measurement using CRS.The transmitting antenna number only supported 4 antenna ports since CRS is maximum, cannot support greater than 4 Therefore amount in the MTC of Release-16 version, for non-low complex degree terminal, considers to support to join based on channel state information The CSI measurement for examining signal (Channel State Information-Reference Signal, CSI-RS), to obtain more Multi-emitting antenna bring performance gain.Nevertheless, since CSI-RS is transmitted on full bandwidth, it is thus possible to can be in broadband Other narrowbands generate interference, cause performance loss to other terminals.Other narrowbands are done so how to reduce CSI-RS It disturbs, is a urgent problem to be solved.
Summary of the invention
The application is provided for data transmission and data method of reseptance, device, system and storage medium.
The embodiment of the present application provides a kind of data transmission method, comprising:
Based on configuration information, channel state information reference signals are sent；
The configuration information is sent to the second communication node.
The embodiment of the present application provides a kind of data receiver method, comprising:
Second communication node receives the configuration information that the first communication node is sent；
According to the configuration information, the channel state information reference signals sent to the first communication node are handled.
The embodiment of the present application provides a kind of data transmission method, comprising:
First communication node sends the configuration information and second transmission band of the first transmission band to the second communication node Configuration information；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
The embodiment of the present application provides a kind of data transmission device, comprising:
First transmission unit sends channel state information reference signals for being based on configuration information；
First transmission unit is also used to the configuration information being sent to the second communication node.
In one embodiment, first transmission unit is used for:
In the first subframe, the channel state information reference signals are sent based on the first transmission bandwidth.
In one embodiment, described device further include:
The configuration information includes the first high-rise configuration signal, includes described first in the described first high-rise configuration signal The configuration of subframe.
In one embodiment, first transmission bandwidth are as follows: the individually transmission that physical channel data transmission uses is narrow The bandwidth of band.
In one embodiment, first transmission unit is used for:
In the second subframe, channel state information reference signals are sent based on the second transmission bandwidth.
In one embodiment, described device further include:
The configuration information includes the second high-rise configuration signal, includes described second in the described second high-rise configuration signal The configuration of subframe.
In one embodiment, described device includes:
First transmission bandwidth includes one of narrow band bandwidth and broadband width, and second transmission bandwidth includes narrowband band One of wide and broadband width, and first transmission bandwidth and second transmission bandwidth are different.
In one embodiment, described device further include:
The configuration information includes the Downlink Control Information signaling of the first number of bits position, the Downlink Control Information signaling Indicate that transmission bandwidth is narrow band bandwidth or broadband width.
In one embodiment, described device further include:
The configuration information includes the Downlink Control Information signaling of the second number of bits position, the Downlink Control Information signaling Instruction following one: do not send channel state information reference signals, channel state information reference signals are sent based on narrow band bandwidth, Channel state information reference signals are sent based on broadband width.
In one embodiment, first transmission unit is used for:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel state information reference signals are in subframe The resource unit of upper occupancy participates in the data mapping of the physical channel, and the resource unit is not used in the physical channel Data transmission.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are equal to 1, the channel state information reference signals occupy in subframe Resource unit be not involved in the data mapping of the physical channel, and the resource unit is not used in the data of the physical channel Transmission.
In one embodiment, described device further include:
The configuration information includes the antenna port number of channel state information reference signals, the channel state information reference The antenna port number of signal is greater than the antenna port number of cell special reference.
In one embodiment, described device further include:
N number of antenna port in the channel state information reference signals and the antenna port of cell special reference are pressed It is corresponded according to port numbering, wherein N is the antenna port number of cell special reference, and N is more than or equal to 1.
In one embodiment, described device further include:
The antenna port number of the channel state information reference signals is equal to the antenna port number of cell special reference, The antenna port of the channel state information reference signals and the antenna port of the cell special reference are compiled according to port Number correspond.
The embodiment of the present application provides a kind of data sink, comprising:
Receiving unit is used for: the second communication node receives the configuration information that the first communication node is sent, the configuration information In include send channel state information reference signals transmission bandwidth；
Processing unit, for believing the channel state information reference that the first communication node is sent according to the configuration information It number is handled.
In one embodiment, the processing unit is used for:
According to the transmission bandwidth of the channel state information reference signals of configuration information instruction, the first communication node is utilized The channel state information reference signals of transmission calculate channel state information, and the transmission bandwidth is narrow band bandwidth or broadband width.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel status is handled by way of punching The resource unit that information reference signal occupies.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are equal to 1, the matched mode of through-rate handles the channel status letter Cease the resource unit that reference signal occupies.
In one embodiment, the processing unit is used for:
Based on cell special reference and the channel state information reference signals, measure channel state information.
In one embodiment, the processing unit is also used to:
Channel state information reference signals and N number of antenna port of second communication node based on N number of antenna port Cell special reference measure channel state information, wherein N is the antenna port number of cell special reference, wherein N For the integer more than or equal to 1.
In one embodiment, the processing unit is also used to:
For the antenna port of the channel state information reference signals in addition to N number of antenna port, it is based on channel shape State information reference signal measurement channel state information；
In one embodiment, the processing unit is used for:
Based on cell special reference and the channel state information reference signals, wireless resource management measurement is carried out；
Wherein, wireless resource management measurement include in Reference Signal Received Power and Reference Signal Received Quality extremely One item missing.
The embodiment of the present application provides a kind of data transmission device, comprising:
Second transmission unit, is used for: the first communication node matches confidence to the second communication node the first transmission band of transmission The configuration information of breath and the second transmission band；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
In one embodiment, the configuration information of first transmission band includes the band of first transmission band It is wide；
Second transmission unit is used for: first communication node utilizes host system message block to second communication section Point sends the bandwidth information of first transmission band.
In one embodiment, the configuration information of second transmission band includes the bandwidth of the second transmission band；
The third transmission unit is used for: being sent using host system message block or high-rise configuration signal to the second communication node The notification information of the bandwidth of second transmission band.
In one embodiment, the bandwidth of first transmission band is L Physical Resource Block, second transmitting pin The bandwidth of band is L+2K Physical Resource Block, wherein L is the integer more than or equal to 1, and K is integer.
In one embodiment,
The bandwidth of first transmission band is L Physical Resource Block, and the bandwidth of second transmission band is L+2K+1 A Physical Resource Block, second transmission band deviate half of Physical Resource Block, wherein L is the integer more than or equal to 1, and K is whole Number.
In one embodiment, the configuration information of second transmission band includes: the ginseng of second transmission band Examine the deviant that sub-carrier indices are indexed relative to the reference subcarrier of first transmission band.
In one embodiment, described device further includes determination unit, and the determination unit is used for:
The reference subcarrier index of first transmission band is determined according to the bandwidth of first transmission band；
The reference subcarrier of second transmission band is determined according to the reference subcarrier of first transmission band index Index the deviant indexed relative to the reference subcarrier of first transmission band.
The embodiment of the present application provides a kind of storage medium, and the storage medium is stored with computer program, the calculating Machine program realizes any one method in the embodiment of the present application when being executed by processor.
About the above embodiments of the application and other in terms of and its implementation, in Detailed description of the invention, specific embodiment party More explanations are provided in formula and claim.
Detailed description of the invention
Fig. 1 is the flow chart according to the data transmission method of the embodiment of the present invention.
Fig. 2 is the flow chart according to the data receiver method of the embodiment of the present invention.
Fig. 3 is the flow chart according to the data transmission method of the embodiment of the present invention.
Fig. 4 is the band width configuration schematic diagram according to the data transmission method of the embodiment of the present invention.
Fig. 5 is the band width configuration schematic diagram according to the data transmission method of another embodiment of the present invention.
Fig. 6 is the band width configuration schematic diagram according to the data transmission method of further embodiment of this invention.
Fig. 7 is the structural block diagram according to the data transmission device of the embodiment of the present invention.
Fig. 8 is the structural block diagram according to the data sink of the embodiment of the present invention.
Fig. 9 is the structural block diagram according to the data transmission device of the embodiment of the present invention.
Figure 10 is the application user equipment/user terminal embodiment structural schematic diagram.
Figure 11 is the structural schematic diagram of the application base station embodiment.
Figure 12 is the structural schematic diagram of the application communications system embodiment.
Specific embodiment
For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction with attached drawing to the application Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application Feature can mutual any combination.
Fig. 1 shows the flow chart of data transmission method according to an embodiment of the present invention.As shown in Figure 1, the transmission side data Method includes:
Step S110 is based on configuration information, sends channel state information reference signals；
The configuration information is sent to the second communication node by step S120.
Channel state information reference signals CSI-RS is the downlink reference signal for estimating channel state information.The present invention In embodiment, the sub-frame configuration for sending channel state information reference signals can be set in configuration information.In step S110 In, channel state information reference signals can be sent based on the sub-frame configuration in configuration information.
In the step s 120, configuration information is sent from the first communication node to the second communication node.In one example, One communication node may include base station, and the second communication node may include user equipment (User Equipment, UE).From base station to UE Configuration information is sent, and channel state information reference signals are sent based on configuration information, so that UE is after receiving configuration information, Channel state information reference signals are operated according to configuration information.
In one embodiment, channel state information reference signals are sent based on configuration information, comprising:
In the first subframe, the channel state information reference signals are sent based on the first transmission bandwidth.First son Frame is a sub-frame set, and the sub-frame set includes one or more subframes.
It has been observed that channel state information reference signals can be sent based on the sub-frame configuration in configuration information.For example, can base The first CSI-RS sub-frame configuration in configuration information, in corresponding first subframe of the first CSI-RS sub-frame configuration, the One communication node is based on the first transmission bandwidth and sends channel state information reference signals CSI-RS to the second communication node.
In one embodiment, the configuration information includes the first high-rise configuration signal, and described first is high-rise with confidence It include the configuration of first subframe in order.
In one example, first communication node sends high-rise configuration signal A, and the high level configuration signal A is used for Determine the first CSI-RS sub-frame configuration, in the corresponding subframe of the first CSI-RS sub-frame configuration, first communication node Channel state information reference signals CSI-RS is sent based on the first transmission bandwidth.
In this embodiment, the first communication node is notified by sending high-rise configuration signal to the second communication node Subframe configuration information.In one example, base station notifies matching for the first subframe to UE by sending the first high-rise configuration signal It sets.Wherein, base station sends the channel state information reference signals to UE based on the first transmission bandwidth in the first subframe.
In one embodiment, first transmission bandwidth are as follows: the individually transmission that physical channel data transmission uses is narrow The bandwidth of band.
In one example, first transmission bandwidth is single narrow band bandwidth, and the first communication node is in number of physical channels Channel state information reference signals CSI-RS is sent on used narrowband according to transmitting.Wherein, the physical channel includes physics Control channel or Physical Shared Channel.Such as first communication node can be in Physical Downlink Control Channel or Physical Downlink Shared Channel Data are transmitted and send CSI-RS on used narrowband.First communication node does not send CSI-RS on other transmission narrowbands, can Interference is generated to other narrowbands to avoid CSI-RS.
In one embodiment, channel state information reference signals are sent based on configuration information, comprising:
In the second subframe, channel state information reference signals are sent based on the second transmission bandwidth.First subframe is One sub-frame set, the sub-frame set include one or more subframes.
In one embodiment, the configuration information includes the second high-rise configuration signal, and described second is high-rise with confidence It include the configuration of second subframe in order.
In one example, first communication node sends high-rise configuration signal B, and the high level configuration signal B is used for Determine the 2nd CSI-RS sub-frame configuration, in the corresponding subframe of the 2nd CSI-RS sub-frame configuration, first communication node Channel state information reference signals CSI-RS is sent based on the second transmission bandwidth.
In one embodiment, the first CSI-RS sub-frame configuration and the 2nd CSI-RS sub-frame configuration can be the period Or it is aperiodic.For period CSI-RS sub-frame configuration, the CSI-RS sub-frame configuration may include the CSI-RS transmission period and CSI-RS sub-frame offset.The transmission subframe of CSI-RS can be determined by CSI-RS transmission period and CSI-RS sub-frame offset.For Aperiodic CSI-RS sub-frame configuration, the sub-frame configuration may include measurement sub-frame set.CSI-RS is in the measurement sub-frame set It is transmitted in corresponding subframe, the transmission subframe of CSI-RS can be determined by measurement sub-frame set.
In one embodiment, first transmission bandwidth includes one of narrow band bandwidth and broadband width, and described second Transmission bandwidth includes one of narrow band bandwidth and broadband width, and the mutual not phase of first transmission bandwidth and second transmission bandwidth Together.
In this embodiment, first transmission bandwidth and second transmission bandwidth one of those be narrowband band Width, another is broadband width.Wherein, broadband width includes multiple narrow band bandwidths or full bandwidth.It can between the multiple narrowband To be continuous or discontinuous.For example, a transmission narrowband includes 6 Physical Resource Block (Physical in eMTC Resource Block, PRB).Wherein, eMTC is drilled based on Long Term Evolution (Long Term Evolution, LTE) agreement And then come, it is the scene applied to Internet of Things.
In one example, when sending CSI-RS based on the first transmission bandwidth, in CSI-RS subframe, the CSI-RS It is sent on multiple transmission narrowbands or full bandwidth.When sending CSI-RS based on the second transmission bandwidth, in CSI-RS subframe, institute CSI-RS is stated to send on the narrowband used in physical channel data transmission.
It has been observed that first communication node sends high level configuration signal A and high-rise configuration signal B, the height can be passed through Layer configuration signal A and high-rise configuration signal B determine the first CSI-RS sub-frame configuration and the 2nd CSI-RS sub-frame configuration respectively.This hair In bright embodiment, the high level configuration signal A and high level configuration signal B are used cooperatively, and be can achieve and are both supported narrowband CSI-RS (single narrow band bandwidth) supports the effect of broadband CSI-RS (multiple narrow band bandwidths or full bandwidth) again.When CSI-RS transmission bandwidth is When single narrow band bandwidth, first communication node transmits in physical channel data and sends CSI-RS on used narrowband.In In this case, to avoid CSI-RS other can be transmitted with the interference of narrowbands, and second communication node can be directed to and be somebody's turn to do Narrowband reports the channel state information CSI being more suitable.When CSI-RS transmission bandwidth is multiple narrow band bandwidths, described first is logical Letter node sends CSI-RS on multiple narrowbands.In this case, CSI-RS can measure multiple narrowbands in a subframe CSI, to report most suitable transmission narrowband.
In one embodiment, the configuration information includes the Downlink Control Information of the first number of bits position (Downlink Control Information, DCI) signaling, the DCI signaling instruction transmission bandwidth is narrow band bandwidth or width Band bandwidth.
In this embodiment, first communication node sends Downlink Control Information to the second communication node.Wherein, It can be arranged in configuration information and indicate that transmission bandwidth is narrow band bandwidth or broadband width by the bit of the first quantity.For example, Determine that the CSI-RS transmission bandwidth is narrow band bandwidth or broadband width by 1 bit DCI signaling.
In one example, above-mentioned high level configuration signal A and above-mentioned 1 bit DCI signaling can be used cooperatively, and be configured by high level Signaling A determines the transmission subframe of CSI-RS, and the transmission bandwidth of CSI-RS is determined by DCI signaling.When CSI-RS transmission bandwidth is narrow When band bandwidth, first communication node transmits in physical channel data and sends CSI-RS on used narrowband.Work as CSI-RS When transmission bandwidth is broadband width, first communication node sends CSI-RS on all narrowbands.
In one embodiment, the configuration information includes the DCI signaling of the second number of bits position, the DCI signaling Instruction following one: do not send channel state information reference signals, channel state information reference signals are sent based on narrow band bandwidth, Channel state information reference signals are sent based on broadband width.
In this embodiment, first communication node sends Downlink Control Information DCI to the second communication node.Its In, the state that CSI-RS is indicated by the bit of the second quantity can be set in configuration information.In one example, by 2 ratios Special DCI signaling determines whether to send the transmission bandwidth of CSI-RS and CSI-RS.Such as CSI- is determined by 2 bit DCI signalings RS is one of following state: not sending CSI-RS, on narrowband sends CSI-RS, sends CSI-RS on broadband width.
In one embodiment, channel state information reference signals are sent, comprising:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel state information reference signals are in subframe The resource unit of upper occupancy participates in the data mapping of the physical channel, and the resource unit is not used in the physical channel Data transmission.
In this embodiment, when the maximum iterative transfer times that first communication node is physical channel configuration are big When 2, in CSI-RS subframe, the resource unit (Resource Element, RE) that CSI-RS is occupied participates in physics The data of channel map, and are not used in the data transmission of the physical channel.These resource units are for sending CSI-RS, and described the One communication node transmits CSI-RS by way of punching.Wherein, the physical channel includes at least following one: physical down Control channel and Physical Downlink Shared Channel.
Specifically, when physical channel data maps, the data of the physical channel are mapped on CSI-RS RE.But The data on these RE are not sent after mapping, but the data for being mapped with the physical channel on these RE are punched, The data on these RE are deleted, then send CSI-RS on these RE.
Wherein, the iterative transfer times of the physical channel include: for Physical Downlink Control Channel, and the repetition is transmitted Number is the maximum number of repetitions of the Physical Downlink Control Channel；It is described to repeat transmission time for Physical Downlink Shared Channel Number is the number of repetition for the Physical Downlink Shared Channel that DCI is signaled.
In one embodiment, channel state information reference signals are sent, comprising:
When the iterative transfer times of physical channel are equal to 1, the channel state information reference signals occupy in subframe Resource unit be not involved in the data mapping of the physical channel, and the resource unit is not used in the data of the physical channel Transmission.
In this embodiment, when the maximum iterative transfer times etc. that first communication node is physical channel configuration When 1, the physical channel is without repeating to transmit, and in CSI-RS subframe, the resource unit that CSI-RS is occupied is not involved in physics letter The data in road map, and without in the data transmission of the physical channel, these resource units are for sending CSI-RS.Believing Road needs to carry out rate-matched when encoding, and the matched mode of the first communication node through-rate transmits CSI-RS.Specifically, In physical channel data mapping, the physical channel data is not mapped on the resource unit that CSI-RS is occupied, in these moneys CSI-RS is sent on source unit.Wherein, the physical channel includes at least following one: under Physical Downlink Control Channel and physics The shared channel of row.
Wherein, the iterative transfer times of the physical channel include: for Physical Downlink Control Channel, and the repetition is transmitted Number is the maximum number of repetitions of the Physical Downlink Control Channel；It is described to repeat transmission time for Physical Downlink Shared Channel Number is the number of repetition for the Physical Downlink Shared Channel that DCI is signaled.
In one embodiment, the configuration information includes the antenna port number of channel state information reference signals, institute The antenna port number for stating channel state information reference signals is greater than the antenna port number of cell special reference.
In one example, the first communication node may include base station.Base station is the CSI-RS antenna end of physical channel configuration Mouth number is greater than CRS antenna port number N.Wherein, antenna port definition has corresponding serial number, to carry out the area between antenna port Point.
In one embodiment, which comprises
N number of antenna port in the channel state information reference signals and the antenna port of cell special reference are pressed It is corresponded according to port numbering, wherein N is the antenna port number of cell special reference, and N is more than or equal to 1.
In one example, if the CSI-RS antenna port number that first communication node is physical channel configuration is greater than CRS antenna port number N, then N number of CSI-RS antenna port in the channel state information reference signals is pressed with CRS antenna port It is corresponded according to port numbering.For example, base station is that physical channel configures 8 CSI-RS antenna ports, port numbering is respectively 15 ~22.4 CRS antenna ports that base station uses, port numbering is respectively 0~3.In this case, CSI-RS antenna port 15~18 are corresponding in turn to CRS antenna port 0~3 according to port numbering.
In one embodiment, the method also includes:
The antenna port number of the channel state information reference signals is equal to the antenna port number of cell special reference, The antenna port of the channel state information reference signals and the antenna port of the cell special reference are compiled according to port Number correspond.
If base station is that the CSI-RS antenna port number of physical channel configuration is equal to cell special reference CRS antenna port Number N, then the relationship of CSI-RS antenna port and CRS antenna port is one-to-one mapping relationship.
For example, first communication node is that physical channel configures 4 CSI-RS antenna ports, port numbering is respectively 15~18.In addition, it is generally the case that it is respectively 0~3 that base station, which may use up to 4 CRS antenna ports, port numbering,.In In this case, CSI-RS antenna port 15~18 is corresponding in turn to CRS antenna port 0~3 according to port numbering.That is port numbering Correspond to the CRS antenna port that port numbering is 0, the CSI-RS antenna end that port numbering is 16 for 15 CSI-RS antenna port Mouth corresponds to the CRS antenna port that port numbering is 1, and so on, the CSI-RS antenna port pair that last port numbering is 18 The CRS antenna port that should be 3 in port numbering.
In the examples described above, the mapping of the first communication node configuration CSI-RS antenna port and CRS antenna port is closed System configures the corresponding relationship of CSI-RS antenna port and CRS antenna port.On this basis, the second communication node can benefit The united CSI measurement of CSI-RS and CRS or wireless resource management measurement are carried out with the mapping relations, it is accurate thus to improve measurement Degree.
To sum up, in the data transmission method of the embodiment of the present invention, CSI-RS is configured into two kinds of transmission bandwidths, one of which is Broadband CSI-RS, i.e., send CSI-RS in narrow band bandwidth.Another kind is narrowband CSI-RS, i.e., in current transmission physical channel CSI-RS is sent on narrowband.Handling in this way is advantageous in that, broadband CSI-RS can be used for measuring the CSI of full bandwidth, reports wherein Most suitable transmission narrowband can configure longer time of measuring interval；Narrowband CSI-RS can be used for measuring the CSI of current narrowband, Other transmission narrowbands will not be interfered, can configure shorter time of measuring interval.Using this method, reduction can achieve The purpose of CSI-RS interference.
Fig. 2 is the flow chart according to the data receiver method of the embodiment of the present invention.As shown in Fig. 2, the data receiver method Include:
Step S210, the second communication node receive the configuration information that the first communication node is sent；
Step S220, according to the configuration information, channel state information reference signals that the first communication node is sent into Row processing.
The embodiment of the invention provides a kind of configuration information method of reseptances.Specifically, in step 210, the second communication section Point receives the configuration information that the first communication node is sent.In a step 220, according to the configuration information, the second communication node pair Channel state information reference signals CSI-RS is operated.
In one example, the first communication node may include base station, and the second communication node may include UE.UE receives base station hair The configuration information sent operates channel state information reference signals according to the sub-frame configuration in configuration information.
In one embodiment, the channel state information reference signals sent to the first communication node are handled, and are wrapped It includes:
According to the transmission bandwidth of the channel state information reference signals of configuration information instruction, the first communication node is utilized The channel state information reference signals of transmission calculate channel state information, and the transmission bandwidth is narrow band bandwidth or broadband width. Wherein, the broadband width includes multiple narrow band bandwidths or full bandwidth, be can be continuously or discontinuously between the multiple narrowband 's
In one case, however, it is determined that the transmission bandwidth of the channel state information reference signals in subframe is that multiple transmission are narrow Band bandwidth, then be directed to the multiple transmission narrowband, calculates channel state information.
Specifically, second communication node receives the configuration information of CSI-RS.According to the configuration information, however, it is determined that son CSI-RS transmission bandwidth on frame k is multiple narrow band bandwidths, then calculates CSI for the multiple narrowband of subframe k.Wherein, institute Stating CSI can be the broadband CSI calculated for multiple transmission narrowbands, be also possible to calculate most for all transmission narrowbands The CSI of excellent narrowband.Under normal conditions, receiving end assesses CSI and is quantified to feed back to transmitting terminal.In inventive embodiments, the Calculated result can be reported to the first communication node after calculating CSI by two communication nodes.
In another case, however, it is determined that the transmission bandwidth of the channel state information reference signals in subframe is single transmission Narrow band bandwidth then transmits used narrowband for the physical channel data in the subframe, calculates channel state information.
Specifically, according to the configuration information, however, it is determined that the CSI-RS transmission bandwidth on subframe k is single narrow band bandwidth, Then single narrowband used in the physical channel data transmission for subframe k calculates CSI.Wherein, the physical channel includes object Manage control channel or Physical Shared Channel.The CSI is for measured current narrowband.Single transmission narrowband band is used this In wide transmission mode, narrowband CSI-RS can be used for measuring the CSI of current narrowband, will not interfere to other transmission narrowbands.
In the above-described embodiment, the channel state information CSI includes at least following one: pre-coding matrix instruction The instruction of (Precoding Matrix Indication, PMI), channel quality (Channel Quality Indication, CQI), order instruction (Rank Indication, RI).
In one embodiment, the method also includes: physical channel iterative transfer times be greater than or equal to 2 When, the resource unit that the channel state information reference signals occupy is handled by way of punching.
It has been observed that if it is determined that physical channel configuration iterative transfer times be greater than or equal to 2 when, first communication node CSI-RS is transmitted by way of punching.In CSI-RS subframe, the resource unit that CSI-RS is occupied participates in the number of physical channel According to mapping, it is not used in the data transmission of the physical channel.As a result, in this physical channel using the embodiment for repeating transmission In, for the resource unit that CSI-RS is occupied, second communication node handles the physical channel by way of punching Data.Specifically, pass through the occupied resource unit of CSI-RS indicated in the configuration information that receives, second communication section The known reception signal on these resource units of point is CSI-RS, thus without using the reception data on these resource units into Row decoding, sets 0 for the demodulating information on these resource units, the demodulating information for then combining other resource units is decoded.
Wherein, the iterative transfer times of the physical channel include: for Physical Downlink Control Channel, and the repetition is transmitted Number is the maximum number of repetitions of the Physical Downlink Control Channel；It is described to repeat transmission time for Physical Downlink Shared Channel Number is the number of repetition for the Physical Downlink Shared Channel that DCI is signaled.
In one embodiment, the method also includes: physical channel iterative transfer times be equal to 1 when, pass through The mode of rate-matched handles the resource unit that the channel state information reference signals occupy.
It has been observed that when the maximum iterative transfer times that first communication node is physical channel configuration are equal to 1, it is described The first matched mode of communication node through-rate transmits CSI-RS.In CSI-RS subframe, the resource unit of CSI-RS occupancy It is not involved in the data mapping of physical channel, without in the data transmission of the physical channel.It is adopted as a result, in this physical channel In embodiment with non-duplicate transmission, for the resource unit that CSI-RS is occupied, the second communication node through-rate The mode matched handles the data of the physical channel.Specifically, by shared by the CSI-RS that is indicated in the configuration information that receives Resource unit, the reception signal known to second communication node on these resource units are CSI-RS, therefore no longer Demodulation coding is carried out to the reception data on these resource units, but uses the physical channel on other resource units It receives data and carries out demodulation coding.
Wherein, the iterative transfer times of the physical channel include: for Physical Downlink Control Channel, and the repetition is transmitted Number is the maximum number of repetitions of the Physical Downlink Control Channel；It is described to repeat transmission time for Physical Downlink Shared Channel Number is the number of repetition for the Physical Downlink Shared Channel that DCI is signaled.
In one embodiment, the method also includes: believed based on cell special reference and the channel status Cease reference signal, measure channel state information.
In this embodiment, second communication node utilizes channel state information reference signals CSI-RS and cell DRS (Dedicated Reference Signal) CRS combined measurement channel state information CSI, can be improved accuracy of measurement.
In one embodiment, cell special reference and the channel state information reference signals, measurement are based on Channel state information, further includes:
Channel state information reference signals and N number of antenna port of second communication node based on N number of antenna port Cell special reference measure channel state information, wherein N is the antenna port number of cell special reference, wherein N For the integer more than or equal to 1.
In this embodiment, CSI-RS and N number of antenna port of second communication node based on N number of antenna port CRS combined measurement channel state information, thus improve CSI accuracy of measurement.
In one embodiment, cell special reference and the channel state information reference signals, measurement are based on Channel state information, further includes:
For the antenna port of the channel state information reference signals in addition to N number of antenna port, it is based on channel shape State information reference signal measurement channel state information；
In this embodiment, however, it is determined that CSI-RS antenna port number is greater than CRS antenna port number N, then and described second The CRS combined measurement channel state information of CSI-RS and N number of antenna port of the communication node based on N number of antenna port.For it His CSI-RS antenna port, second communication node are based on CSI-RS measure channel state information.For example, the second communication section Point uses 8 CSI-RS antenna ports, and port numbering is respectively 15~22.In addition, the second communication node uses 4 CRS antennas Port, port numbering are respectively 0~3.In this case, the CRS of CSI-RS and port 0~3 based on port 15~18 join Measurement CSI is closed, the CSI-RS based on port 19~22 measures CSI, thus improves CSI accuracy of measurement.
In the examples described above, the mapping of the first communication node configuration CSI-RS antenna port and CRS antenna port is closed System configures the corresponding relationship of CSI-RS antenna port and CRS antenna port.On this basis, the second communication node can benefit The united CSI measurement of CSI-RS and CRS is carried out with the mapping relations or wireless resource management measures, and it is accurate thus to improve measurement Degree.
In one embodiment, the method also includes:
Based on cell special reference and the channel state information reference signals, wireless resource management measurement is carried out；
Wherein, wireless resource management measurement include in Reference Signal Received Power and Reference Signal Received Quality extremely One item missing.
Wherein, wireless resource management is to provide business matter under conditions of finite bandwidth for wireless user terminal in network Amount ensures.By wireless resource management can flexible allocation and dynamic adjust the available resources of wireless transmission section and network, it is maximum Wireless frequency spectrum utilization rate is improved to degree, network congestion is prevented and keeps signaling traffic load as small as possible.
Reference Signal Received Power (Reference Signal Receiving Power, RSRP) is can in LTE network It is to carry reference signal in some symbol with one of key parameter and the physical layer measurement demand for representing wireless signal strength All RE on the average value of signal power that receives.
Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ) indicates LTE reference Signal receiving quality.This measurement can be ranked up different LTE candidate cells according to signal quality.This measurement can be used as The input that switching and cell reselection determine.
Fig. 3 is the flow chart according to the data transmission method of the embodiment of the present invention.As shown in figure 3, the data transmission method Include:
Step S310, the first communication node send the configuration information of the first transmission band and second to the second communication node and pass The configuration information of defeated frequency band；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
In one embodiment, the configuration information of first transmission band includes the band of first transmission band It is wide；First communication node sends the band of first transmission band using host system message block to second communication node Wide information.
The embodiment of the invention provides a kind of configuration information transmission methods.Specifically, in the step 310, described first is logical Believe that node sends the configuration information of the first transmission band to second communication node, such as sends first transmission band Bandwidth.In step 320, first communication node matches confidence to second communication node the second transmission band of transmission Breath, such as send the bandwidth of second transmission band.In addition, configuration information of first communication node according to the first transmission band Determine the configuration information of the second transmission band.First communication node uses two kinds of transmission bands to the second communication node respectively Send cell special reference CRS and physical channel data.
In one example, the first communication node may include base station, and the second communication node may include UE.Existed respectively by base station First transmission band and second transmission band send cell special reference CRS and physical channel data to UE.
In the present embodiment, the physical channel includes at least following one: Physical Downlink Control Channel, and physical down is shared Channel.
In this embodiment, first communication node utilizes host system message block (Master Information Block, MIB) information notifies the bandwidth of first transmission band to second communication node.Wherein, MIB includes limited To read most important, the most common configured transmission of other cell informations, such as: system bandwidth, System Frame Number, physical mixed are certainly Dynamic retransmission indicating chanel (Physical Hybrid ARQ Indicator Channel, PHICH) configuration information.
In one embodiment, the method also includes:
The configuration information of second transmission band includes the bandwidth of the second transmission band；
The band of second transmission band is sent to the second communication node using host system message block or high-rise configuration signal Wide notification information.
In one embodiment, the configuration information of second transmission band is according to the configuration of first transmission band Information determines, comprising:
If the bandwidth of first transmission band is L Physical Resource Block, the bandwidth of second transmission band is L+ 2K Physical Resource Block, wherein L is the integer more than or equal to 1, and K is integer.
In this embodiment, limit the first transmission band and the second transmission band bandwidth be all odd number PRB or It is all even number PRB.Fig. 4 is the band width configuration schematic diagram according to the data transmission method of the embodiment of the present invention.As shown in figure 4, When the overlapping of the central subcarrier of first transmission band and the second transmission band, the PRB of described two transmission bands is pair Neat.Referring to fig. 4, the first transmission band is 6 PRB, and the second transmission band is 8 PRB, when the central subcarrier of two frequency bands When overlapping, the PRB pair of two frequency bands is neat.
Wherein, the central subcarrier of first transmission band and the second transmission band overlapping includes: the first transmission band The G/2 subcarrier it is Chong Die with the H/2 subcarrier of the second transmission band, wherein G is the first transmission band son for including Carrier number, H are the sub-carrier number that the second transmission band includes.
Using the above method, the central subcarrier of first transmission band and the second transmission band is overlapped and PRB pair is neat, In this way, second communication node after receiving the CRS and physical channel data, can believe the physics using CRS Road carries out relevant measurement and estimation.
In one embodiment, the configuration information of second transmission band is according to the configuration of first transmission band Information determines, comprising: if the bandwidth of first transmission band is L Physical Resource Block, and the band of second transmission band Width is L+2K+1 Physical Resource Block, then second transmission band deviates half of Physical Resource Block, that is, deviates 6 subcarriers, Wherein, L is the integer more than or equal to 1, and K is integer.
In above method, the bandwidth for not limiting the first transmission band and the second transmission band is all odd number PRB or same For even number PRB.Fig. 5 is the band width configuration schematic diagram according to the data transmission method of another embodiment of the present invention.Such as Fig. 5 institute Show, a transmission band is odd number PRB wherein, in the case that another transmission band is even number PRB, if first transmission Frequency band and the central subcarrier of the second transmission band are overlapped, then PRB half of PRB of dislocation of described two transmission bands, i.e. 6 sons Carrier wave.Referring to Fig. 5, the first transmission band is 6 PRB, and the second transmission band is 9 PRB, when the central subcarrier of two frequency bands When overlapping, the PRB of two frequency bands cannot be aligned.
Therefore, second transmission band is deviated into 6 subcarriers, makes the PRB and described the of second transmission band The PRB pair of one transmission band is neat.Fig. 6 is the band width configuration schematic diagram according to the data transmission method of further embodiment of this invention. Referring to figs. 5 and 6, based on the band width configuration of Fig. 5, the second transmission band is translated into half of PRB, i.e. 6 subcarriers make two frequencies The PRB pair of band is neat.The PRB of second transmission band and the PRB pair of first transmission band are as shown in Figure 6 together.
In one embodiment, the configuration information of second transmission band includes: the ginseng of second transmission band Examine the deviant that sub-carrier indices are indexed relative to the reference subcarrier of first transmission band；
It is indexed using the reference subcarrier that high-rise configuration signal sends second transmission band relative to the first transmitting pin The information of the deviant of the reference subcarrier index of band.
The configuration information of second transmission band is determined according to the configuration information of first transmission band, comprising:
The reference subcarrier index of first transmission band is determined according to the bandwidth of first transmission band；
The reference subcarrier of second transmission band is determined according to the reference subcarrier of first transmission band index Index the deviant indexed relative to the reference subcarrier of first transmission band.
In one example, firstly, transmitting terminal determines first transmission band according to the bandwidth of the first transmission band Reference subcarrier index；Secondly because transmitting terminal keeps the PRB pair of the first transmission band and the second transmission band neat, so needing L1 is indexed according to the reference subcarrier of the first transmission band and determines that the reference subcarrier of the second transmission band indexes L2, and then is obtained The relative position that reference subcarrier indexes between L1 and L2 is poor, i.e., the reference subcarrier of described second transmission band index relative to The deviant of the reference subcarrier index of first transmission band；Then, the deviant is sent to terminal by transmitting terminal.And And terminal can learn the reference subcarrier index of the first transmission band by the bandwidth of the first transmission band, then, terminal is known The reference subcarrier index of the first transmission band of road and the deviant, it is possible thereby to determine that reference of the second transmission band carries Wave index, the i.e. frequency domain position of the second transmission band.With this method, it also can guarantee the PRB and first of the second transmission band The PRB pair of transmission band is neat.
The reference subcarrier index can be the starting sub-carrier indices or the G/2 son of first transmission band Carrier index, wherein G is the sub-carrier number of first transmission band.For example, reference subcarrier index can be indicated from n-th A subcarrier starts to send data, and wherein n is the number of subcarrier.
To sum up, in the data transmission method of the embodiment of the present invention, the second transmission band is determined according to the first transmission band Bandwidth information and frequency domain position, it is therefore an objective to the Physical Resource Block of the first transmission band and the second transmission band be aligned, make two Frequency band can cooperate transmission, and the first transmission band sends CRS, and the second transmission band sends physical channel data.By physical resource After block alignment, the operation of the processing of data can be more easily carried out.
Fig. 7 is the structural block diagram according to the data transmission device of the embodiment of the present invention.As shown in fig. 7, the embodiment of the present invention Data transmission device include:
First transmission unit 100 sends channel state information reference signals for being based on configuration information；
First transmission unit is also used to the configuration information being sent to the second communication node.
In one embodiment, first transmission unit 100 is used for:
In the first subframe, the channel state information reference signals are sent based on the first transmission bandwidth.
In one embodiment, described device further include:
The configuration information includes the first high-rise configuration signal, includes described first in the described first high-rise configuration signal The configuration of subframe.
In one embodiment, first transmission bandwidth are as follows: the individually transmission that physical channel data transmission uses is narrow The bandwidth of band.
In one embodiment, first transmission unit 100 is used for:
In the second subframe, channel state information reference signals are sent based on the second transmission bandwidth.
In one embodiment, described device further include:
The configuration information includes the second high-rise configuration signal, includes described second in the described second high-rise configuration signal The configuration of subframe.
In one embodiment, described device includes:
First transmission bandwidth includes one of narrow band bandwidth and broadband width, and second transmission bandwidth includes narrowband band One of wide and broadband width, and first transmission bandwidth and second transmission bandwidth are different.
In one embodiment, described device further include:
The configuration information includes the Downlink Control Information signaling of the first number of bits position, the Downlink Control Information signaling Indicate that transmission bandwidth is narrow band bandwidth or broadband width.
In one embodiment, described device further include:
The configuration information includes the Downlink Control Information signaling of the second number of bits position, the Downlink Control Information signaling Instruction following one: do not send channel state information reference signals, channel state information reference signals are sent based on narrow band bandwidth, Channel state information reference signals are sent based on broadband width.
In one embodiment, first transmission unit 100 is used for:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel state information reference signals are in subframe The resource unit of upper occupancy participates in the data mapping of the physical channel, and the resource unit is not used in the physical channel Data transmission.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are equal to 1, the channel state information reference signals occupy in subframe Resource unit be not involved in the data mapping of the physical channel, and the resource unit is not used in the data of the physical channel Transmission.
In one embodiment, described device further include:
The configuration information includes the antenna port number of channel state information reference signals, the channel state information reference The antenna port number of signal is greater than the antenna port number of cell special reference.
In one embodiment, described device further include:
N number of antenna port in the channel state information reference signals and the antenna port of cell special reference are pressed It is corresponded according to port numbering, wherein N is the antenna port number of cell special reference, and N is more than or equal to 1.
In one embodiment, described device further include:
The antenna port number of the channel state information reference signals is equal to the antenna port number of cell special reference, The antenna port of the channel state information reference signals and the antenna port of the cell special reference are compiled according to port Number correspond.
Fig. 8 is the structural block diagram according to the data sink of the embodiment of the present invention.As shown in figure 8, the embodiment of the present invention Data sink include:
Receiving unit 200, is used for: the second communication node receives the configuration information that the first communication node is sent, the configuration It include the transmission bandwidth for sending channel state information reference signals in information；
Processing unit 300, for being referred to the channel state information that the first communication node is sent according to the configuration information Signal is handled.
In one embodiment, the processing unit 300 is used for:
According to the transmission bandwidth of the channel state information reference signals of configuration information instruction, the first communication node is utilized The channel state information reference signals of transmission calculate channel state information, and the transmission bandwidth is narrow band bandwidth or broadband width.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel status is handled by way of punching The resource unit that information reference signal occupies.
In one embodiment, described device further include:
When the iterative transfer times of physical channel are equal to 1, the matched mode of through-rate handles the channel status letter Cease the resource unit that reference signal occupies.
In one embodiment, the processing unit 300 is used for:
Based on cell special reference and the channel state information reference signals, measure channel state information.
In one embodiment, the processing unit 300 is also used to:
Channel state information reference signals and N number of antenna port of second communication node based on N number of antenna port Cell special reference measure channel state information, wherein N is the antenna port number of cell special reference, wherein N For the integer more than or equal to 1.
In one embodiment, the processing unit 300 is also used to:
For the antenna port of the channel state information reference signals in addition to N number of antenna port, it is based on channel shape State information reference signal measurement channel state information；
In one embodiment, the processing unit 300 is used for:
Based on cell special reference and the channel state information reference signals, wireless resource management measurement is carried out；
Wherein, wireless resource management measurement include in Reference Signal Received Power and Reference Signal Received Quality extremely One item missing.
Fig. 9 is the structural block diagram according to the data transmission device of the embodiment of the present invention.As shown in figure 9, the embodiment of the present invention Data transmission device include:
Second transmission unit 400, is used for: the first communication node sends the configuration of the first transmission band to the second communication node The configuration information of information and the second transmission band；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
In one embodiment,
The configuration information of first transmission band includes the bandwidth of first transmission band；Second transmission unit 400 are used for: first communication node sends first transmitting pin to second communication node using host system message block The bandwidth information of band.
In one embodiment, the configuration information of second transmission band includes the bandwidth of the second transmission band；
The third transmission unit 500 is used for: utilizing host system message block or high-rise configuration signal to the second communication node Send the notification information of the bandwidth of second transmission band.
In one embodiment, the bandwidth of first transmission band is L Physical Resource Block, second transmitting pin The bandwidth of band is L+2K Physical Resource Block, wherein L is the integer more than or equal to 1, and K is integer.
In one embodiment, the bandwidth of first transmission band is L Physical Resource Block, second transmitting pin The bandwidth of band is L+2K+1 Physical Resource Block, and second transmission band deviates half of Physical Resource Block, wherein L for greater than Integer equal to 1, K are integer.
In one embodiment, the configuration information of second transmission band includes: the ginseng of second transmission band Examine the deviant that sub-carrier indices are indexed relative to the reference subcarrier of first transmission band.
In one embodiment, described device further includes determination unit 600, and the determination unit 600 is used for:
The reference subcarrier index of first transmission band is determined according to the bandwidth of first transmission band；
The reference subcarrier of second transmission band is determined according to the reference subcarrier of first transmission band index Index the deviant indexed relative to the reference subcarrier of first transmission band.
Figure 10 is the application user equipment/user terminal embodiment structural schematic diagram, and as shown in Figure 10, the application is implemented User equipment/user terminal 130 that example provides includes: memory 1303 and processor 1304.User equipment/the user terminal 130 can also include interface 1301 and bus 1302.The interface 1301, memory 1303 and processor 1304 pass through bus 1302 are connected.The memory 1303 is for storing instruction.The processor 1304 is configured as reading described instruction to hold The above-mentioned technical solution applied to user equipment/user terminal embodiment of the method for row, it is similar that the realization principle and technical effect are similar, Details are not described herein again.
Figure 11 is the structural schematic diagram of the application base station embodiment, as shown in figure 11, base station provided by the embodiments of the present application 140 include: memory 1403 and processor 1404.The base station can also include interface 1401 and bus 1402.The interface 1401, memory 1403 is connected with processor 1404 by bus 1402.The memory 1403 is for storing instruction.It is described Processor 1404 is configured as reading technical solution of the described instruction to execute the above-mentioned embodiment of the method applied to base station, in fact Existing principle is similar with technical effect, and details are not described herein again.
Figure 12 is the structural schematic diagram of the application communications system embodiment, and as shown in figure 12, which includes: such as above-mentioned reality Apply the user equipment 130 of example and the base station 140 of above-described embodiment.
The above, the only exemplary embodiment of the application, are not intended to limit the protection scope of the application.
It should be understood by those skilled in the art that, terms user terminal covers the wireless user equipment of any suitable type, Such as mobile phone, portable data processing device, portable web browser or vehicle-mounted mobile platform.
In general, the various embodiments of the application can be in hardware or special circuit, software, logic or any combination thereof Middle realization.For example, some aspects can be implemented within hardware, and can be implemented in can be by controller, micro- for other aspects In the firmware or software that processor or other computing devices execute, although the application is without being limited thereto.
Embodiments herein can execute computer program instructions by the data processor of mobile device and realize, example Such as in processor entity, perhaps pass through hardware or the combination by software and hardware.Computer program instructions can be remittance Compile instruction, instruction set architecture (ISA) instruction, machine instruction, machine-dependent instructions, microcode, firmware instructions, state setting number According to or with one or more programming languages any combination source code or object code write.
The block diagram of any logic flow in illustrations can be with representation program step, or can indicate to be connected with each other Logic circuit, module and function, or can be with the combination of representation program step and logic circuit, module and function.Computer Program can store on a memory.Memory can have any type for being suitable for local technical environment and can be used Any suitable data storage technology is realized.Memory in the embodiment of the present application can be volatile memory or non-volatile Memory, or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory etc. EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), As External Cache.RAM may include diversified forms, such as static random access memory (Static RAM, SRAM), Dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links dynamic random access memory Device (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DR RAM).The memory of system and method described herein includes but is not limited to the storage of these and any other suitable type Device.
The processor of the embodiment of the present application can be any type for being suitable for local technical environment, such as, but not limited to logical With computer, special purpose computer, microprocessor, digital signal processor (Digital Signal Processor, DSP), specially With integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable logic device (Field-Programmable Gate Array, FGPA) either other programmable logic device, discrete gate or transistor Logical device, discrete hardware components or the processor based on multi-core processor framework.General processor can be microprocessor Or it is also possible to any conventional processor etc..Above-mentioned processor may be implemented or execute the public affairs in the embodiment of the present application The step of each method opened.Software module can be located at random access memory, flash memory, read-only memory, programmable read only memory Or in the storage medium of this fields such as electrically erasable programmable memory, register maturation.The storage medium is located at memory, The step of processor reads the information in memory, completes the above method in conjunction with its hardware.
By exemplary and unrestricted example, retouching in detail to the example embodiment of the application has had been provided above It states.But consider in conjunction with drawings and claims, a variety of modifications and adjustment to above embodiments carry out those skilled in the art Say it is it will be apparent that but without departing from the scope of the present invention.Therefore, appropriate range of the invention will be determined according to claim.

Claims (33)

1. a kind of data transmission method characterized by comprising
Based on configuration information, channel state information reference signals are sent；
The configuration information is sent to the second communication node.
2. the method according to claim 1, wherein sending channel state information with reference to letter based on configuration information Number, comprising:
In the first subframe, the channel state information reference signals are sent based on the first transmission bandwidth.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
The configuration information includes the first high-rise configuration signal, includes first subframe in the described first high-rise configuration signal Configuration.
4. according to the method described in claim 2, it is characterized in that, first transmission bandwidth are as follows: physical channel data transmission The bandwidth of the single transmission narrowband used.
5. the method according to claim 1, wherein sending channel state information with reference to letter based on configuration information Number, comprising:
In the second subframe, channel state information reference signals are sent based on the second transmission bandwidth.
6. according to the method described in claim 5, it is characterized in that,
The configuration information includes the second high-rise configuration signal, includes second subframe in the described second high-rise configuration signal Configuration.
7. the method according to any one of claim 2,5, which is characterized in that
First transmission bandwidth includes one of narrow band bandwidth and broadband width, second transmission bandwidth include narrow band bandwidth and One of broadband width, and first transmission bandwidth and second transmission bandwidth are different.
8. method according to any one of claim 1-3, which is characterized in that
The configuration information includes the Downlink Control Information signaling of the first number of bits position, the Downlink Control Information signaling instruction Transmission bandwidth is narrow band bandwidth or broadband width.
9. the method according to claim 1, wherein
The configuration information includes the Downlink Control Information signaling of the second number of bits position, the Downlink Control Information signaling instruction Following one: channel state information reference signals are not sent, channel state information reference signals are sent based on narrow band bandwidth, are based on Broadband width sends channel state information reference signals.
10. the method according to claim 1, wherein sending channel state information reference signals, comprising:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel state information reference signals account in subframe Resource unit participates in the data mapping of the physical channel, and the resource unit is not used in the data of the physical channel Transmission.
11. the method according to claim 1, wherein sending channel state information reference signals, comprising:
When the iterative transfer times of physical channel are equal to 1, money that the channel state information reference signals occupy in subframe Source unit is not involved in the data mapping of the physical channel, and the resource unit is not used in the data biography of the physical channel It is defeated.
12. the method according to claim 1, wherein
The configuration information includes the antenna port number of channel state information reference signals, the channel state information reference signals Antenna port number be greater than cell special reference antenna port number.
13. according to the method for claim 12, which is characterized in that the described method includes:
N number of antenna port in the channel state information reference signals and the antenna port of cell special reference are according to end Mouth number corresponds, wherein N is the antenna port number of cell special reference, and N is more than or equal to 1.
14. the method according to claim 1, wherein the method also includes:
The antenna port number of the channel state information reference signals is equal to the antenna port number of cell special reference, described The antenna port of channel state information reference signals and the antenna port of the cell special reference are according to port numbering one One is corresponding.
15. a kind of data receiver method characterized by comprising
Second communication node receives the configuration information that the first communication node is sent；
According to the configuration information, the channel state information reference signals sent to the first communication node are handled.
16. according to the method for claim 15, which is characterized in that join to the channel state information that the first communication node is sent Signal is examined to be handled, comprising:
According to the transmission bandwidth of the channel state information reference signals of configuration information instruction, sent using the first communication node Channel state information reference signals calculate channel state information, the transmission bandwidth be narrow band bandwidth or broadband width.
17. according to the method for claim 15, which is characterized in that the method also includes:
When the iterative transfer times of physical channel are greater than or equal to 2, the channel state information is handled by way of punching The resource unit that reference signal occupies.
18. according to the method for claim 15, which is characterized in that the method also includes:
When the iterative transfer times of physical channel are equal to 1, the matched mode of through-rate handles the channel state information ginseng Examine the resource unit of signal occupancy.
19. method according to claim 15 or 16, which is characterized in that the method also includes:
Based on cell special reference and the channel state information reference signals, measure channel state information.
20. according to the method for claim 19, which is characterized in that be based on cell special reference and the channel status Information reference signal, measure channel state information, further includes:
The cell of channel state information reference signals and N number of antenna port of second communication node based on N number of antenna port DRS (Dedicated Reference Signal) measure channel state information, wherein N is the antenna port number of cell special reference, wherein N is big In the integer for being equal to 1.
21. according to the method for claim 20, which is characterized in that be based on cell special reference and the channel status Information reference signal, measure channel state information, further includes:
For the antenna port of the channel state information reference signals in addition to N number of antenna port, believed based on channel status Cease reference signal measure channel state information.
22. according to the method for claim 15, which is characterized in that the method also includes:
Based on cell special reference and the channel state information reference signals, wireless resource management measurement is carried out；
Wherein, the wireless resource management measurement includes at least one in Reference Signal Received Power and Reference Signal Received Quality .
23. a kind of data transmission method characterized by comprising
First communication node sends the configuration information of the first transmission band and the configuration of the second transmission band to the second communication node Information；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
24. according to the method for claim 23, which is characterized in that the described method includes:
The configuration information of first transmission band includes the bandwidth of first transmission band；
First communication node sends first transmission band to second communication node using host system message block Bandwidth information.
25. according to the method for claim 23, which is characterized in that the method also includes:
The configuration information of second transmission band includes the bandwidth of the second transmission band；
The bandwidth of second transmission band is sent to the second communication node using host system message block or high-rise configuration signal Notification information.
26. the method according to any one of claim 23-25, which is characterized in that the configuration of second transmission band Information is determined according to the configuration information of first transmission band, comprising:
The bandwidth of first transmission band is L Physical Resource Block, and the bandwidth of second transmission band is L+2K physics Resource block, wherein L is the integer more than or equal to 1, and K is integer.
27. the method according to any one of claim 23-25, which is characterized in that the configuration of second transmission band Information is determined according to the configuration information of first transmission band, comprising: the bandwidth of first transmission band is L physics money Source block, the bandwidth of second transmission band are L+2K+1 Physical Resource Block, and second transmission band deviates half of physics Resource block, wherein L is the integer more than or equal to 1, and K is integer.
28. according to the method for claim 23, which is characterized in that the configuration information of second transmission band includes: institute State the deviant that the reference subcarrier index of the second transmission band is indexed relative to the reference subcarrier of first transmission band.
29. the method according to any one of claim 23,24,27, the configuration information of second transmission band according to The configuration information of first transmission band determines, comprising:
The reference subcarrier index of first transmission band is determined according to the bandwidth of first transmission band；
The reference subcarrier index of second transmission band is determined according to the reference subcarrier of first transmission band index The deviant that reference subcarrier relative to first transmission band indexes.
30. a kind of data transmission device characterized by comprising
First transmission unit sends channel state information reference signals for being based on configuration information；
First transmission unit is also used to the configuration information being sent to the second communication node.
31. a kind of data transmission device characterized by comprising
Receiving unit is used for: the second communication node receives the configuration information that the first communication node is sent, and wraps in the configuration information Contain the transmission bandwidth for sending channel state information reference signals；
Processing unit, for according to the configuration information, channel state information reference signals that the first communication node is sent into Row processing.
32. a kind of data transmission device characterized by comprising
Second transmission unit, is used for: the first communication node to the second communication node send the first transmission band configuration information and The configuration information of second transmission band；
The configuration information of second transmission band is determined according to the configuration information of the first transmission band.
33. a kind of storage medium, which is characterized in that the storage medium is stored with computer program, the computer program quilt Method described in any one of claim 1-29 is realized when processor executes.
CN201910252305.4A 2019-03-29 2019-03-29 Data transmission and data method of reseptance, device and storage medium Pending CN110535603A (en)

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CN111342938A (en) * 2019-12-31 2020-06-26 中兴通讯股份有限公司 Physical channel transmission method, device, node and storage medium
WO2020199915A1 (en) * 2019-03-29 2020-10-08 中兴通讯股份有限公司 Data transmitting method and apparatus, data receiving method and apparatus, system, and storage medium
CN113573356A (en) * 2021-07-15 2021-10-29 深圳职业技术学院 Data processing method in industrial Internet of things

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US9991942B2 (en) * 2015-12-30 2018-06-05 Samsung Electronics Co., Ltd. Method and apparatus for channel state information reference signal (CSI-RS)
EP3437360A1 (en) * 2016-04-01 2019-02-06 Telefonaktiebolaget LM Ericsson (Publ) System and method for flexible channel state information-reference signal transmission
WO2018201438A1 (en) * 2017-05-05 2018-11-08 Qualcomm Incorporated Communication scheme for small cyclic delay diversity reference signals
CN110535603A (en) * 2019-03-29 2019-12-03 中兴通讯股份有限公司 Data transmission and data method of reseptance, device and storage medium

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WO2020199915A1 (en) * 2019-03-29 2020-10-08 中兴通讯股份有限公司 Data transmitting method and apparatus, data receiving method and apparatus, system, and storage medium
CN111342938A (en) * 2019-12-31 2020-06-26 中兴通讯股份有限公司 Physical channel transmission method, device, node and storage medium
CN113573356A (en) * 2021-07-15 2021-10-29 深圳职业技术学院 Data processing method in industrial Internet of things
CN113573356B (en) * 2021-07-15 2024-02-23 深圳职业技术学院 Data processing method in industrial Internet of things

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