CN108631835A - A kind of signaling indication method and device of transmission mode - Google Patents

A kind of signaling indication method and device of transmission mode Download PDF

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Publication number
CN108631835A
CN108631835A CN201710184304.1A CN201710184304A CN108631835A CN 108631835 A CN108631835 A CN 108631835A CN 201710184304 A CN201710184304 A CN 201710184304A CN 108631835 A CN108631835 A CN 108631835A
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Prior art keywords
information
indicate
mode
communication node
coding matrix
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CN201710184304.1A
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CN108631835B (en
Inventor
王瑜新
鲁照华
陈艺戬
李儒岳
吴昊
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/068—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using space frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0643—Properties of the code block codes
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0668—Orthogonal systems, e.g. using Alamouti codes
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
    • 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

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

Abstract

A kind of signaling indication method and device of transmission mode are disclosed herein, the method may include：First communication node determines that the second communication node sends sending method and/or transmission mode used in information, and described sender formula and/or transmission mode are indicated to the second communication node by signaling；Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends sending method and/or transmission mode used in information；Wherein, described information includes business datum and/or control information.The technical issues of can not determining uplink waveform present application addresses the second communication node.

Description

A kind of signaling indication method and device of transmission mode
Technical field
The present invention relates to wireless communication fields, and in particular to a kind of signaling indication method and device of transmission mode.
Background technology
In the related art, in long term evolution (Long Term Evolution, LTE), Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) is for carrying uplink and downlink scheduling information and ascending power Control information.Downlink Control Information (Downlink Control Information, DCI) format (format) is divided into DCI Format 0,1,1A, 1B, 1C, 1D, 2,2A, 3,3A etc., behind in evolution to LTE-A Release 12 (LTE-A versions 12) DCI format 2B, 2C, 2D are increased again to support a variety of different applications and transmission mode.Evolved base station (e-Node- B, referred to as eNB) user equipment (User Equipment, UE) or UE receiving height can be configured by Downlink Control Information The configuration of layer (higher layers), also referred to as configures UE, user equipment can be referred to as terminal again by high-level signaling.
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 the 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 High frequency carrier communicates the prodigious technological challenge faced：Rather low-frequency signals, decline of the high-frequency signal in space are non- Chang great, although high-frequency signal can be caused the fading loss problem in space occur in outdoor communication, due to its wavelength Reduce, can usually use more antennas, so as to be communicated based on wave beam to compensate the fading loss in space.
But when antenna number increases, due to needing each antenna to have a set of radio frequency link at this time, it is based on digital beam Molding also brings the problem of increasing cost and power attenuation.Therefore, tend to mixed-beam figuration, i.e. radio frequency currently, comparing Final wave beam is collectively formed in wave beam and digital beam.
In new wireless access technology (New Radio Access Technology), high frequency communication system is in addition to One communication node can configure a large amount of antenna and form downlink transmission beam to compensate the spatial fading of high-frequency communication, and user second is logical Letter node equally can also configure a large amount of antenna and form uplink wave beam.In the related art, the second communication node can make With two different transmitted waveforms, both transmitted waveforms substantially correspond to different sending methods, therefore, in two communication sections It is determined between point using how to indicate described sender formula after which kind of sending method, being a problem to be solved.
Invention content
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of signaling indication method of transmission mode and dresses It sets.
This application provides：
A kind of signaling indication method of transmission mode, including：
First communication node determines that the second communication node sends sending method and/or transmission mode used in information, and Described sender formula and/or transmission mode are indicated to the second communication node by signaling；
Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends transmission used in information Mode and/or transmission mode；
Wherein, described information includes business datum and/or control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；It follows Ring prefix orthogonal frequency-division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
Wherein, prelisting corresponding to the pre-coding matrix index being used to indicate in the information of pre-coding matrix index When every a line of code matrix only has 1 nonzero element, indicate that described sender formula is the orthogonal frequency of discrete Fourier transform spread spectrum Divide multiplexing.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-time block code STBC or When partial circulating delay diversity SCDD, indicate that described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-frequency block codes SFBC or When systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when using the transmission mode of single antenna or single antenna port, then described sender formula is discrete fourier Convert the orthogonal frequency division multiplexing of spread spectrum.
Wherein, make a reservation for when the channel quality indicator (CQI) that the second communication node is fed back to the first communication node is less than or equal to The first threshold value when, either when the second communication node to the first communication node send uplink control data or using physically When row control channel transmission data, it is determined that it is discrete fourier that two communication node, which sends sending method used in information, Convert the orthogonal frequency division multiplexing of spread spectrum, wherein first threshold value is the integer between 1 to 15.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When matrix only has 1 nonzero element there are a row or multiple row, it is determined that second communication node is sent used in information Transmission mode is the transmission mode based on non-code book.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When matrix has multiple nonzero elements there are a row or multiple row, it is determined that second communication node sends and passed used in information Defeated mode is the transmission mode based on code book.
Wherein, the information for being used to indicate broadband precoding matrix index, described be used to indicate subband pre-coding matrix The information of index is used to indicate frequency and selects one of information of pre-coding matrix index and described be used to indicate transmission diversity side The information of formula is located in the descending control information format of different length.
Wherein, the information for being used to indicate broadband precoding matrix index, described be used to indicate subband pre-coding matrix The information of index and it is described be used to indicate frequency select one of information of pre-coding matrix index and it is described be used to indicate transmission point The information of mode set is located in the same descending control information format, and is distinguished using the signaling of N-bit；Wherein, 1 N Integer between to 100.
Wherein, first communication node determines that the second communication node sends sending method and/or biography used in information Defeated mode, including：
First communication node determines that second communication node sends sending method used in information by blind Detecting.
Wherein, first communication node determines that the second communication node sends sending method and/or biography used in information Defeated mode, including：First communication node determines that second communication node is sent out based on the configuration parameter of the second communication node It delivers letters sending method used in breath, the configuration parameter includes at least following one：Transmission mode, wave beam consistency setting or Channel reciprocity sexuality, the configuration of resource allocation, the configuration of measuring reference signals.
Wherein, when uplink transmission mode is transmission diversity, it is determined that second communication node sends information and used Sending method be discrete Fourier transform spread spectrum orthogonal frequency division multiplexing.
Wherein, when the second communication node there are wave beam consistency or there are when channel reciprocity sexuality, it is determined that described It is cyclic prefix orthogonal frequency division multiplexing that two communication nodes, which send sending method used in information,.
Wherein, when the resource allocation resource block RB quantity of the second communication node is less than scheduled second threshold value, then really Fixed second communication node sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum； Wherein, second threshold value is the integer between 2 to 50.
Wherein, when the frequency domain bandwidth of the out-hole run parameter signal of the second communication node is less than scheduled third threshold value When, it is determined that the second communication node sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum With；Wherein, the third threshold value is the integer between 2 to 50.
Wherein, described that described sender formula and/or transmission mode are indicated to the second communication node by signaling, including： First communication node sends sending method and transmission side used in information by same the second communication node of signaling joint instructions Formula.
A kind of signaling instruction device of transmission mode, including：
First determining module, for determining that the second communication node sends sending method and/or transmission side used in information Formula；Alternatively, predefining the second communication node with the second communication node sends sending method and/or transmission side used in information Formula；
First sending module, for described sender formula and/or transmission mode to be indicated to the second communication section by signaling Point；
Wherein, described information includes business datum and/or control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；It follows Ring prefix orthogonal frequency-division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
Wherein, prelisting corresponding to the pre-coding matrix index being used to indicate in the information of pre-coding matrix index When every a line of code matrix only has 1 nonzero element, indicate that described sender formula is the orthogonal frequency of discrete Fourier transform spread spectrum Divide multiplexing.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-time block code STBC or When partial circulating delay diversity SCDD, indicate that described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-frequency block codes SFBC or When systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when using the transmission mode of single antenna or single antenna port, then described sender formula is discrete fourier Convert the orthogonal frequency division multiplexing of spread spectrum.
A kind of signaling indication method of transmission mode, including：
The signaling from the first communication node is received, the signaling is used to indicate the second communication node transmission information and is used Sending method and/or transmission mode；
Alternatively, predefining the second communication node with the first communication node sends sending method and/or biography used in information Defeated mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
Wherein, described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line of matrix only has 1 nonzero element, indicate that described sender formula is the orthogonal frequency of discrete Fourier transform spread spectrum Multiplexing.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-time block code STBC or When partial circulating delay diversity SCDD, indicate that described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-frequency block codes SFBC or When systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when second communication node is using the transmission mode of single antenna or single antenna port, then the transmission Mode is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the channel quality indicator (CQI) that the second communication node is fed back to the first communication node is less than or equal to first When threshold value, either uplink control data is sent to the first communication node when the second communication node or controlled using physical uplink When channel transmission data, then the sender for the orthogonal frequency division multiplexing that second communication node is spread using discrete Fourier transform Formula, wherein first threshold value is the integer between 1 to 15.
Wherein, the pre-coding matrix corresponding to the pre-coding matrix index there are a row or multiple row only have 1 it is non- When neutral element, then the transmission mode is the transmission mode based on non-code book.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When matrix has multiple nonzero elements there are a row or multiple row, then the transmission mode is the transmission mode based on code book.
Wherein, the information for being used to indicate broadband precoding matrix index, described be used to indicate subband pre-coding matrix It the information of index and is used to indicate frequency and selects one of information of pre-coding matrix index and described be used to indicate transmission diversity side The information of formula is located in the descending control information format of different length.
Wherein, the signaling includes at least following one：The information for being used to indicate broadband precoding matrix index, institute It states the information for being used to indicate subband pre-coding matrix index and the frequency that is used to indicate selects it in the information of pre-coding matrix index One and the information for being used to indicate transmission diversity mode be located in the same descending control information format, and use N-bit Signaling distinguish 3 kinds of information types；Wherein, N is the integer between 1 to 100.
Wherein, second communication node voluntarily determines described sender formula.
Wherein, it is the configuration based on the second communication node that second communication node, which sends sending method used in information, What parameter determined, the configuration parameter includes at least following one：Transmission mode, the setting of wave beam consistency or channel reciprocity performance Power, the configuration of resource allocation, the configuration of uplink measurement reference signal.
Wherein, when uplink transmission mode is transmission diversity, second communication node sends and is sent used in information Mode is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the second communication node there are wave beam consistency or there are when channel reciprocity sexuality, described second communicates It is cyclic prefix orthogonal frequency division multiplexing that node, which sends sending method used in information,.
Wherein, when the resource allocation resource block RB quantity of the second communication node is less than the second threshold value, described second is logical Believe that node sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum；Wherein, described Two threshold values are some integer between 2 to 50.
Wherein, when the frequency domain bandwidth of the out-hole run parameter signal of the second communication node is less than third threshold value, then institute It states the second communication node and sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum；Its In, the third threshold value is the integer between 2 to 50.
A kind of signaling instruction device of transmission mode, including：
Second receiving module, for receiving the signaling from the first communication node, the signaling is used to indicate the second communication Node sends sending method and/or transmission mode used in information；
Alternatively, the second determining module, is used for predefining the second communication node transmission information with the first communication node Sending method and/or transmission mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；It follows Ring prefix orthogonal frequency-division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
A kind of signaling instruction device of transmission mode, including：Processor and memory, the memory are stored with computer Executable instruction, the computer executable instructions realize following method when being executed by the processor：
Determine that the second communication node sends sending method and/or transmission mode used in information, and by described sender Formula and/or transmission mode are indicated to the second communication node by signaling；
Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends transmission used in information Mode and/or transmission mode；
Wherein, described information includes business datum and/or control information.
A kind of signaling instruction device of transmission mode, including：Processor and memory, the memory are stored with computer Executable instruction, the computer executable instructions realize following method when being executed by the processor：
The signaling from the first communication node is received, the signaling is used to indicate the second communication node transmission information and is used Sending method and/or transmission mode；
Alternatively, predefining the second communication node with the first communication node sends sending method and/or biography used in information Defeated mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
A kind of computer readable storage medium is stored with computer executable instructions, the computer executable instructions quilt Processor realizes a kind of signaling indication method of above-mentioned transmission mode when executing.
A kind of computer readable storage medium is stored with computer executable instructions, the computer executable instructions quilt Processor realizes a kind of signaling indication method of above-mentioned another above-mentioned transmission mode when executing.
The application includes following advantage：
In at least one embodiment of the application, the transmission mode that the second communication node uses is determined by the first communication node With sending method and by signaling while the second communication node, so that the second communication node is in new wireless access technology It can determine which kind of uplink waveform used, solving the second communication node can not determine that the technology of uplink waveform is asked Topic.
In at least one embodiment of the application, the second communication node with the first communication node negotiate by way of or It is determined according to the instruction of the first communication node and sends transmission mode or sending method used in information, so that the second communication Node can determine in new wireless access technology that using which kind of uplink waveform, solving the second communication node can not be true The technical issues of determining uplink waveform.
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 understand through the implementation of the 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 constitute the limitation to technical solution of the present invention.
Fig. 1 is the flow diagram of the signaling indication method of transmission mode in the embodiment of the present invention one；
Fig. 2 is the composed structure schematic diagram of the signaling instruction device of transmission mode in the embodiment of the present invention one；
Fig. 3 is the flow diagram of the signaling indication method of transmission mode in the embodiment of the present invention two；
Fig. 4 is the composed structure schematic diagram of the signaling instruction device of transmission mode in the embodiment of the present invention two.
Specific implementation mode
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 executes.Also, although logical order is shown in flow charts, and it in some cases, can be with suitable different from herein Sequence executes shown or described step.
Embodiment one
A kind of signaling indication method of transmission mode, as shown in Figure 1, may include：
Step 101, the first communication node determines that the second communication node sends sending method and/or transmission used in information Mode；
Step 102, described sender formula and/or transmission mode are indicated to the second communication node by signaling；
The signaling indication method of another realization method, the transmission mode may include：First communication node and second Communication node is negotiated to predefine sending method and/or transmission mode used in the second communication node transmission information.
In one implementation, described information includes business datum and/or control information.
In one implementation, described sender formula includes at least following one：Discrete Fourier transform is spread just Hand over frequency division multiplexing；Cyclic prefix orthogonal frequency division multiplexing.
In one implementation, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
In one implementation, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
In one implementation, when the pre-coding matrix index being used to indicate in the information of pre-coding matrix index When every a line of corresponding pre-coding matrix only has 1 nonzero element, expression described sender formula is discrete Fourier transform The orthogonal frequency division multiplexing of spread spectrum.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
In one implementation, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode is sky When block code STBC or partial circulating delay diversity SCDD when, indicate described sender formula be discrete Fourier transform spread spectrum orthogonal frequency Divide multiplexing.
In one implementation, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode is sky When frequency block code SFBC or systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
In one implementation, when using the transmission mode of single antenna or single antenna port, then described sender formula For the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
In one implementation, the channel quality indicator (CQI) fed back to the first communication node when the second communication node is small In or equal to scheduled threshold value K when, either when the second communication node to the first communication node send uplink control data or When using Physical Uplink Control Channel transmission data, it is determined that two communication node sends sending method used in information and is The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum, wherein K is a certain integer between 1 finger 15.
In one implementation, when pre-coding matrix index institute in the information for being used to indicate pre-coding matrix index When corresponding pre-coding matrix only has 1 nonzero element there are a row or multiple row, it is determined that second communication node is sent Transmission mode used in information is the transmission mode based on non-code book.
In one implementation, when pre-coding matrix index institute in the information for being used to indicate pre-coding matrix index When corresponding pre-coding matrix has multiple nonzero elements there are a row or multiple row, it is determined that second communication node sends letter Transmission mode used in breath is the transmission mode based on code book.
In one implementation, the information for being used to indicate broadband precoding matrix index, described be used to indicate son Information with pre-coding matrix index and the frequency that is used to indicate select one of information of pre-coding matrix index and the use It is located in the descending control information format of different length in the information of instruction transmission diversity mode.
In one implementation, the information for being used to indicate broadband precoding matrix index, described be used to indicate son Information with pre-coding matrix index and the frequency that is used to indicate select one of information of pre-coding matrix index and the use In the information of instruction transmission diversity mode, it is located in the same descending control information format, and area is carried out using the signaling of N-bit Point；Wherein, N is the integer between 1 to 100.
In one implementation, can described sender formula voluntarily be determined by second communication node.In another kind In realization method, first communication node can determine that second communication node is sent used in information by blind Detecting Sending method.
In one implementation, first communication node determines described based on the configuration parameter of the second communication node Two communication nodes send sending method used in information, and the configuration parameter includes at least following one：Transmission mode, wave beam Consistency is arranged or channel reciprocity sexuality, the configuration of resource allocation, the configuration of measuring reference signals.
In one implementation, when uplink transmission mode is transmission diversity, it is determined that the second communication node hair The sending method delivered letters used in breath is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
In one implementation, when the second communication node there are wave beam consistency or there are when channel reciprocity sexuality, It is cyclic prefix orthogonal frequency division multiplexing then to determine that second communication node sends sending method used in information.
In one implementation, when resource allocation resource block (RB) quantity of the second communication node is less than some threshold value When M, it is determined that it is the orthogonal of discrete Fourier transform spread spectrum that second communication node, which sends sending method used in information, Frequency division multiplexing；Wherein, M is some integer between 2 to 50.
In one implementation, when the frequency domain bandwidth of the out-hole run parameter signal of the second communication node is less than some door When threshold value Q, it is determined that it is discrete Fourier transform spread spectrum that second communication node, which sends sending method used in information, Orthogonal frequency division multiplexing；Wherein, Q is some integer between 2 to 50.
In one implementation, can be in step 102：First communication node passes through same signaling joint instructions second Communication node sends sending method and transmission mode used in information.
A kind of signaling instruction device of transmission mode, as shown in Fig. 2, may include：
First determining module 21, for determining that the second communication node sends sending method and/or transmission used in information Mode；Alternatively, predefining the second communication node with the second communication node sends sending method and/or transmission side used in information Formula；
First sending module 22, for described sender formula and/or transmission mode to be indicated to the second communication by signaling Node；
Wherein, described information includes business datum and/or control information.
Wherein, described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
Wherein, prelisting corresponding to the pre-coding matrix index being used to indicate in the information of pre-coding matrix index When every a line of code matrix only has 1 nonzero element, indicate that described sender formula is the orthogonal frequency of discrete Fourier transform spread spectrum Divide multiplexing.
Wherein, the precoding corresponding to the pre-coding matrix index in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-time block code STBC or When partial circulating delay diversity SCDD, indicate that described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
Wherein, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode be space-frequency block codes SFBC or When systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
Wherein, when using the transmission mode of single antenna or single antenna port, then described sender formula is discrete fourier Convert the orthogonal frequency division multiplexing of spread spectrum.
In the present embodiment, the first determining module 21, the first sending module 22 can pass through software, hardware or both respectively It is implemented in combination with.In practical application, the first sending module 22 can be realized by the communication unit of the first communication node, and first determines Module 21 can be realized by the processor of the first communication node.Alternatively, the first determining module 21, the first sending module 22 are by The processor and communication unit of one communication node are combined to realize.In this regard, not being restricted herein.
The signaling instruction device of another transmission mode, including：Processor and memory, which is characterized in that the storage Device is stored with computer executable instructions, and the computer executable instructions realize following method when being executed by the processor：
Determine that the second communication node sends sending method and/or transmission mode used in information, and by described sender Formula and/or transmission mode are indicated to the second communication node by signaling；
Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends transmission used in information Mode and/or transmission mode；
Wherein, described information includes business datum and/or control information.
The all thin of the present embodiment method can be achieved in the signaling instruction device of the above two transmission mode of the present embodiment Section, realization principle is similar, can refer to the related of the present embodiment method and records.
In practical application, the signaling instruction device of above two transmission mode can be by being set to the first communication node reality It is existing, or directly realized by the first communication node.
Embodiment two
One of a kind of signaling indication method of transmission mode, as shown in figure 3, at least may include steps of：
Step 300, the signaling from the first communication node is received, the signaling is used to indicate the second communication node and sends letter Sending method and/or transmission mode used in breath；
Step 400, with the first communication node predefine the second communication node send information used in sending method and/or Transmission mode；
Wherein, described information includes at least one of following：Business datum；Control information.
In one implementation, described sender formula includes at least following one：Discrete Fourier transform is spread just Hand over frequency division multiplexing；Cyclic prefix orthogonal frequency division multiplexing.
In one implementation, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
In one implementation, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
In one implementation, when pre-coding matrix index institute in the information for being used to indicate pre-coding matrix index When every a line of corresponding pre-coding matrix only has 1 nonzero element, indicate that described sender formula expands for discrete Fourier transform The orthogonal frequency division multiplexing of frequency.
In one implementation, when pre-coding matrix index institute in the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of corresponding pre-coding matrix is more than 1, expression described sender formula is cyclic prefix orthogonal frequency Divide multiplexing.
In one implementation, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode is sky When block code STBC or partial circulating delay diversity SCDD when, indicate described sender formula be discrete Fourier transform spread spectrum orthogonal frequency Divide multiplexing.
In one implementation, when the mode of transmission diversity in the information for being used to indicate transmission diversity mode is sky When frequency block code SFBC or systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix orthogonal frequency division multiplexing.
In one implementation, when second communication node uses single antenna or the transmission mode of single antenna port When, then described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
In one implementation, the channel quality indicator (CQI) fed back to the first communication node when the second communication node is small When the first threshold value, either when the second communication node sends uplink control data or use to the first communication node When Physical Uplink Control Channel transmission data, then second communication node uses the orthogonal frequency that discrete Fourier transform is spread The sending method of multiplexing, wherein first threshold value is the integer between 1 to 15.
In one implementation, there are row or more for the pre-coding matrix corresponding to the pre-coding matrix index When row only have 1 nonzero element, then the transmission mode is the transmission mode based on non-code book.
In one implementation, when pre-coding matrix index institute in the information for being used to indicate pre-coding matrix index When corresponding pre-coding matrix has multiple nonzero elements there are a row or multiple row, then the transmission mode is the biography based on code book Defeated mode.
In one implementation, the information for being used to indicate broadband precoding matrix index, described be used to indicate son Information with pre-coding matrix index selects one of information of pre-coding matrix index and described for referring to frequency is used to indicate Show that the information of transmission diversity mode is located in the descending control information format of different length.
In one implementation, the signaling includes at least following one：It is described to be used to indicate broadband precoding matrix The information of index, the information for being used to indicate subband pre-coding matrix index and the frequency that is used to indicate select pre-coding matrix rope One of information drawn and the information for being used to indicate transmission diversity mode are located at the same descending control information format In, and distinguish 3 kinds of information types using the signaling of N-bit；Wherein, N is the integer between 1 to 100.
In one implementation, second communication node voluntarily determines described sender formula.
In one implementation, it is logical based on second that second communication node, which sends sending method used in information, Believe what the configuration parameter of node determined, the configuration parameter includes at least following one：Transmission mode, wave beam consistency setting or Channel reciprocity sexuality, the configuration of resource allocation, the configuration of measuring reference signals.
In one implementation, when uplink transmission mode is transmission diversity, second communication node sends information Used sending method is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
In one implementation, when the second communication node there are wave beam consistency or there are when channel reciprocity sexuality, It is cyclic prefix orthogonal frequency division multiplexing that second communication node, which sends sending method used in information,.
In one implementation, described when the resource allocation RB quantity of the second communication node is less than the second threshold value Second communication node sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum；Wherein, Second threshold value is some integer between 2 to 50.
In one implementation, when the frequency domain bandwidth of the out-hole run parameter signal of the second communication node is less than third door When threshold value, then second communication node sends the orthogonal frequency that sending method used in information is discrete Fourier transform spread spectrum Divide multiplexing；Wherein, the third threshold value is the integer between 2 to 50.
A kind of signaling instruction device of transmission mode, as shown in figure 4, may include：
Second receiving module 41, for receiving the signaling from the first communication node, it is logical that the signaling is used to indicate second Believe that node sends sending method and/or transmission mode used in information；
Alternatively, the second determining module 42, is made for predefining the second communication node transmission information with the first communication node Sending method and/or transmission mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；It follows Ring prefix orthogonal frequency-division multiplexing.
Wherein, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
Wherein, the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
In the present embodiment, the second receiving module 41, the second determining module 42 can pass through software, hardware or both respectively It is implemented in combination with.In practical application, the second receiving module 41 can be realized by the communication unit of the second communication node, and second determines Module 42 can be realized by the processor of the second communication node.Alternatively, the second receiving module 41, the second determining module 42 are by The processor and communication unit of two communication nodes are combined to realize.In this regard, not being restricted herein.
The signaling instruction device of another transmission mode, including：Processor and memory, the memory are stored with calculating Machine executable instruction, the computer executable instructions realize following method when being executed by the processor：
The signaling from the first communication node is received, the signaling is used to indicate the second communication node transmission information and is used Sending method and/or transmission mode；
Alternatively, predefining the second communication node with the first communication node sends sending method and/or biography used in information Defeated mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
The all thin of the present embodiment method can be achieved in the signaling instruction device of the above two transmission mode of the present embodiment Section, realization principle is similar, can refer to the related of the present embodiment method and records.
In practical application, the signaling instruction device of above two transmission mode can be by being set to the second communication node reality It is existing, or directly realized by the second communication node.
It should be noted that in the application, first communication node refers to for determining the second communication node sender Formula and the node that signaling instruction is carried out to the second communication node, second communication node refers to the section for receiving the signaling Point.In a kind of realization method, the first communication node can be the base station of macrocell, the base station of cell (small cell) or biography The nodes such as the sending node in sending node, Internet of things system in defeated node, high frequency communication system, the second communication node can be with For the node in the communication systems such as user terminal (UE), mobile phone, portable equipment, automobile.In another realization method, macrocell Base station, the base station of cell or the sending node in transmission node, high frequency communication system, the sending node in Internet of things system etc. The second communication node is can be used as, UE etc. can be used as the first communication node.
In the application, transmitted waveform or sending method that the second communication node can use, it may include：Discrete fourier becomes Change orthogonal frequency division multiplexing (DFT-S-OFDM), the cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) of spread spectrum.In practical application, institute State the transmitted waveform that DFT-S-OFDM can be described as single-carrier frequency division multiple access, single carrier again；The CP-OFDM can be described as orthogonal frequency again Divide the transmitted waveform of multiple access, multicarrier.
A variety of realization methods of the application are described in detail by way of example below.
Example one
In this example, the process of transmission mode signaling instruction can be：First communication node is determined to the second communication node Transmission mode used in information is sent, and the transmission mode is indicated to the second communication node by signaling；
Wherein, described information includes at least one of business datum and control information.
Wherein, the transmission mode at least may include following one：The mode of precoding, the mode of broadband precoding, The mode of subband precoding, the mode for selecting precoding frequently, the mode of transmission diversity, single antenna or the mode of single antenna port.
Wherein, the signaling at least may include following one：It is used to indicate the information of broadband precoding matrix index, uses In instruction subband pre-coding matrix index information, be used to indicate frequency and select the information of pre-coding matrix index, be used to indicate transmission The information of diversity mode.
Here, in the mode of mode or subband precoding that transmission mode is broadband precoding, code book used can be with Code word including day line options or antenna port selection or port selection, for example, the code book can be following table 1, table 2, table 3, code book shown in table 4.Wherein, table 1 is that the port of layer 1 selects code book example, table 2 to select code book example, table for the port of layer 2 3 select code book example, table 4 to select code book example for the port of layer 4 for the port of layer 3.
Table 1
Table 2
Table 3
Table 4
In one implementation, the information for being used to indicate broadband precoding matrix index, described be used to indicate son Information with pre-coding matrix index, the frequency that is used to indicate select the information of pre-coding matrix index, described are used to indicate transmission The information of diversity mode is located in the descending control information format of different length.
In another implementation, the information for being used to indicate broadband precoding matrix index, described be used to indicate The information of subband pre-coding matrix index, the frequency that is used to indicate select the information of pre-coding matrix index and described for referring to Show the information of transmission diversity mode, can be located in the same descending control information format, and distinguished using the signaling of N-bit Information type；Wherein, N can be the integer between 1 to 100.
Example two
In this example, a kind of realization method of process of transmission mode signaling instruction is：First communication node determines that second is logical Believe that node sends sending method or transmission mode used in information, and described sender formula or transmission mode are referred to by signaling Show to the second communication node.
In this example, the process another kind realization method of transmission mode signaling instruction is：First communication node and second leads to Believe that node both sides predefine the second communication node and send sending method or transmission mode used in information.
Wherein, described information may include business datum and/or control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum is followed Ring prefix orthogonal frequency-division multiplexing.
Wherein, the transmission mode includes at least following one：The mode of precoding, the mode of broadband precoding, subband The mode of precoding, the mode for selecting precoding frequently, the mode of transmission diversity, single antenna or the side of single port or single antenna port Formula.
Wherein, the signaling includes at least following one：It is used to indicate the information of pre-coding matrix index, is used to indicate width Information with pre-coding matrix index, the information for being used to indicate subband pre-coding matrix index are used to indicate and select precoding square frequently The information of battle array index, the information for being used to indicate antenna or antenna port or beam index, the letter for being used to indicate transmission diversity mode Breath.
In this example, every a line of the pre-coding matrix corresponding to the pre-coding matrix index only has 1 non-zero entry When plain, i.e., when pre-coding matrix is the matrix of (CM preserving) that cubic metric is reserved, indicate that the second communication node uses Sending method be discrete Fourier transform spread spectrum orthogonal frequency division multiplexing.
In this example, every a line nonzero element quantity of the pre-coding matrix corresponding to the pre-coding matrix index is big When 1, indicate that the sending method that the second communication node uses is cyclic prefix orthogonal frequency division multiplexing.
In this example, when the mode of the transmission diversity is space-time block code (STBC) or partial circulating delay diversity (SCDD) When, that is, when the transmission diversity used is the transmission diversity mode of CM preserving, indicate the transmission that the second communication node uses Mode is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
In this example, when the mode of the transmission diversity is space-frequency block codes (SFBC) or systemic circulation delay diversity (LCDD) When, indicate that the sending method that the second communication node uses is cyclic prefix orthogonal frequency division multiplexing.
Example three
In this example, the process of transmission mode signaling instruction can be：First communication node and the second communication node both sides Predefined second communication node sends sending method or transmission mode used in information.
Wherein, described information includes business datum and/or control information.
Wherein, described sender formula includes at least following one：The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum is followed Ring prefix orthogonal frequency-division multiplexing.
In one implementation, when the second communication node is using the transmission mode of single antenna or single antenna port, then The sending method for the orthogonal frequency division multiplexing that second communication node is spread using discrete Fourier transform.
In one implementation, the edge of the cell where the second communication node is located at the first communication node, or When the second communication node sends uplink control data to the first communication node or uses Physical Uplink Control Channel transmission data When, then the sending method for the orthogonal frequency division multiplexing that the second communication node is spread using discrete Fourier transform；In the case of other then With cyclic prefix orthogonal frequency division multiplexing.
Example IV
First communication node determines the sending method of the second communication node based on the configuration parameter of the second communication node, described It configures parameter and includes at least following one：Transmission mode, the setting of wave beam consistency or channel reciprocity sexuality, resource allocation are matched It sets, the configuration of uplink measurement reference signal.
Further, when uplink transmission mode be transmission diversity when, it is determined that the sending method of the second communication node be from Dissipate the orthogonal frequency division multiplexing of Fourier transformation spread spectrum；
Alternatively, when the second communication node is there are wave beam consistency or there are when channel reciprocity sexuality, it is determined that second is logical Believe that the sending method of node is cyclic prefix orthogonal frequency division multiplexing；
Alternatively, when the resource allocation RB quantity of the second communication node is less than some threshold value M, it is determined that the second communication section The sending method of point is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；Wherein, M is some integer between 2 to 50.
Alternatively, when the frequency domain bandwidth of the out-hole run parameter signal of the second communication node is less than some threshold value Q, then really The sending method of fixed second communication node is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；Wherein, between Q is 2 to 50 Some integer.
In addition, the embodiment of the present application also provides a kind of computer readable storage medium, computer executable instructions are stored with, The computer executable instructions are performed the signaling indication method for realizing a kind of above-mentioned transmission mode.
In addition, the embodiment of the present application also provides a kind of computer readable storage medium, computer executable instructions are stored with, The computer executable instructions are performed the signaling indication method for realizing above-mentioned another transmission mode.
Optionally, 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 The various media that can store program code such as CD.
Optionally, in the present embodiment, processor executes above-mentioned implementation according to stored program code in storage medium The method and step of example.
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment Example, details are not described herein for the present embodiment.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program Related hardware (such as processor) is completed, and described program can be stored in computer readable storage medium, as read-only memory, Disk or CD etc..Optionally, all or part of step of above-described embodiment can also be come using one or more integrated circuits It realizes.Correspondingly, the form realization of hardware may be used in each module/unit in above-described embodiment, such as passes through integrated circuit It realizes its corresponding function, can also be realized in the form of software function module, such as be stored in and deposited by processor execution Program/instruction in reservoir realizes its corresponding function.The application is not limited to the knot of the hardware and software of any particular form It closes.
The advantages of basic principles and main features and the application of the application have been shown and described above.The application is not by upper The limitation for stating embodiment, the above embodiments and description only describe the principles of the application, are not departing from the application Under the premise of spirit and scope, the application will also have various changes and improvements, these changes and improvements both fall within claimed Within the scope of the application.

Claims (58)

1. a kind of signaling indication method of transmission mode, which is characterized in that including：
First communication node determines that the second communication node sends sending method and/or transmission mode used in information, and by institute It states sending method and/or transmission mode and the second communication node is indicated to by signaling；
Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends sending method used in information And/or transmission mode；
Wherein, described information includes business datum and/or control information.
2. according to the method described in claim 1, it is characterized in that, described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
3. according to the method described in claim 1, it is characterized in that, the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
4. method according to any one of claims 1 to 3, which is characterized in that the signaling includes at least following one：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
5. according to the method described in claim 4, it is characterized in that, being used to indicate in the information of pre-coding matrix index when described Pre-coding matrix index corresponding to every a line of pre-coding matrix when there was only 1 nonzero element, indicate described sender formula For the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
6. according to the method described in claim 4, it is characterized in that, being used to indicate in the information of pre-coding matrix index when described When every a line nonzero element quantity of pre-coding matrix corresponding to pre-coding matrix index is more than 1, described sender formula is indicated For cyclic prefix orthogonal frequency division multiplexing.
7. according to the method described in claim 4, it is characterized in that, when described be used to indicate in the information of transmission diversity mode passes When the mode of transmission diversity is space-time block code STBC or partial circulating delay diversity SCDD, expression described sender formula is discrete fourier Convert the orthogonal frequency division multiplexing of spread spectrum.
8. according to the method described in claim 4, it is characterized in that, when described be used to indicate in the information of transmission diversity mode passes When the mode of transmission diversity is space-frequency block codes SFBC or systemic circulation delay diversity LCDD, indicate described sender formula for cyclic prefix just Hand over frequency division multiplexing.
9. according to the method described in claim 1, it is characterized in that, when the transmission mode for using single antenna or single antenna port When, then described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
10. method according to claim 1,2 or 3, which is characterized in that when the second communication node is anti-to the first communication node When the channel quality indicator (CQI) of feedback is less than or equal to scheduled first threshold value, or when the second communication node is communicated to first When node sends uplink control data or uses Physical Uplink Control Channel transmission data, it is determined that the two communication nodes hair Sending method used in breath of delivering letters is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum, wherein first threshold value Integer between being 1 to 15.
11. according to the method described in claim 4, it is characterized in that, when the information for being used to indicate pre-coding matrix index When pre-coding matrix corresponding to middle pre-coding matrix index only has 1 nonzero element there are a row or multiple row, it is determined that institute It is the transmission mode based on non-code book to state the second communication node and send transmission mode used in information.
12. according to the method described in claim 4, it is characterized in that, when the information for being used to indicate pre-coding matrix index When pre-coding matrix corresponding to middle pre-coding matrix index has multiple nonzero elements there are a row or multiple row, it is determined that described It is the transmission mode based on code book that second communication node, which sends transmission mode used in information,.
13. according to the method described in claim 4, it is characterized in that, the letter for being used to indicate broadband precoding matrix index Breath, the information for being used to indicate subband pre-coding matrix index are used to indicate it in the information for selecting pre-coding matrix index frequently One and the information for being used to indicate transmission diversity mode be located in the descending control information format of different length.
14. according to the method described in claim 4, it is characterized in that, the letter for being used to indicate broadband precoding matrix index Breath, the information for being used to indicate subband pre-coding matrix index and the information for being used to indicate frequency and selecting pre-coding matrix index One of and the information for being used to indicate transmission diversity mode, be located at the same descending control information format in, and use The signaling of N-bit distinguishes；Wherein, N is the integer between 1 to 100.
15. method according to claim 1 or 2, which is characterized in that first communication node determines the second communication node Sending method and/or transmission mode used in information are sent, including：
First communication node determines that second communication node sends sending method used in information by blind Detecting.
16. method according to claim 1 or 2, which is characterized in that first communication node determines the second communication node Sending method and/or transmission mode used in information are sent, including：
First communication node determines that second communication node sends information institute based on the configuration parameter of the second communication node The sending method used, the configuration parameter include at least following one：Transmission mode, the setting of wave beam consistency or channel reciprocity Sexuality, the configuration of resource allocation, the configuration of measuring reference signals.
17. according to the method for claim 16, which is characterized in that when uplink transmission mode is transmission diversity, it is determined that Second communication node sends the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum.
18. according to the method for claim 16, which is characterized in that when there are wave beam consistency or presence for the second communication node When channel reciprocity sexuality, it is determined that it is that cyclic prefix is orthogonal that second communication node, which sends sending method used in information, Frequency division multiplexing.
19. according to the method for claim 16, which is characterized in that when the resource allocation resource block RB numbers of the second communication node When amount is less than scheduled second threshold value, it is determined that it is discrete that second communication node, which sends sending method used in information, The orthogonal frequency division multiplexing of Fourier transformation spread spectrum；Wherein, second threshold value is the integer between 2 to 50.
20. according to the method for claim 16, which is characterized in that when the out-hole run parameter signal of the second communication node Frequency domain bandwidth be less than scheduled third threshold value when, it is determined that the second communication node send information used in sending method be from Dissipate the orthogonal frequency division multiplexing of Fourier transformation spread spectrum；Wherein, the third threshold value is the integer between 2 to 50.
21. the method according to claim 1 or 16, which is characterized in that described by described sender formula and/or transmission mode It is indicated to the second communication node by signaling, including：
First communication node sends sending method and biography used in information by same the second communication node of signaling joint instructions Defeated mode.
22. a kind of signaling instruction device of transmission mode, which is characterized in that including：
First determining module, for determining that the second communication node sends sending method and/or transmission mode used in information；Or Person and the second communication node predefine the second communication node and send sending method and/or transmission mode used in information；
First sending module, for described sender formula and/or transmission mode to be indicated to the second communication node by signaling；
Wherein, described information includes business datum and/or control information.
23. device according to claim 22, which is characterized in that described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
24. device according to claim 22, which is characterized in that the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
Single antenna mode；
Single port mode；
Single antenna port mode.
25. according to claim 22 to 24 any one of them device, which is characterized in that the signaling include at least it is following it One：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
26. device according to claim 25, which is characterized in that when the information for being used to indicate pre-coding matrix index In pre-coding matrix index corresponding to every a line of pre-coding matrix when there was only 1 nonzero element, indicate described sender Formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
27. device according to claim 25, which is characterized in that when the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of pre-coding matrix corresponding to middle pre-coding matrix index is more than 1, described sender is indicated Formula is cyclic prefix orthogonal frequency division multiplexing.
28. device according to claim 25, which is characterized in that when in the information for being used to indicate transmission diversity mode When the mode of transmission diversity is space-time block code STBC or partial circulating delay diversity SCDD, expression described sender formula is direct computation of DFT The orthogonal frequency division multiplexing of leaf transformation spread spectrum.
29. device according to claim 25, which is characterized in that when in the information for being used to indicate transmission diversity mode When the mode of transmission diversity is space-frequency block codes SFBC or systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix Orthogonal frequency division multiplexing.
30. device according to claim 22, which is characterized in that when the transmission mode using single antenna or single antenna port When, then described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
31. a kind of signaling indication method of transmission mode, which is characterized in that including：
The signaling from the first communication node is received, the signaling is used to indicate the second communication node and sends hair used in information Send mode and/or transmission mode；
Alternatively, predefining the second communication node with the first communication node sends sending method and/or transmission side used in information Formula；
Wherein, described information includes at least one of following：
Business datum；
Control information.
32. according to the method for claim 31, which is characterized in that described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
33. according to the method for claim 31, which is characterized in that the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
34. according to claim 31 to 33 any one of them method, which is characterized in that the signaling include at least it is following it One：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
35. according to the method for claim 34, which is characterized in that when the information for being used to indicate pre-coding matrix index When every a line of pre-coding matrix corresponding to middle pre-coding matrix index only has 1 nonzero element, described sender formula is indicated For the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
36. according to the method for claim 34, which is characterized in that when the information for being used to indicate pre-coding matrix index When every a line nonzero element quantity of pre-coding matrix corresponding to middle pre-coding matrix index is more than 1, described sender is indicated Formula is cyclic prefix orthogonal frequency division multiplexing.
37. according to the method for claim 34, which is characterized in that when in the information for being used to indicate transmission diversity mode When the mode of transmission diversity is space-time block code STBC or partial circulating delay diversity SCDD, expression described sender formula is direct computation of DFT The orthogonal frequency division multiplexing of leaf transformation spread spectrum.
38. according to the method for claim 34, which is characterized in that when in the information for being used to indicate transmission diversity mode When the mode of transmission diversity is space-frequency block codes SFBC or systemic circulation delay diversity LCDD, expression described sender formula is cyclic prefix Orthogonal frequency division multiplexing.
39. according to the method for claim 34, which is characterized in that when second communication node uses single antenna or Dan Tian When the transmission mode of line end mouth, then described sender formula is the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum.
40. according to the method for claim 34, which is characterized in that
When the channel quality indicator (CQI) that the second communication node is fed back to the first communication node is less than or equal to the first threshold value, Either uplink control data is sent to the first communication node or sent using Physical Uplink Control Channel when the second communication node When data, then the sending method for the orthogonal frequency division multiplexing that second communication node is spread using discrete Fourier transform, wherein First threshold value is the integer between 1 to 15.
41. according to the method for claim 34, which is characterized in that
When pre-coding matrix corresponding to the pre-coding matrix index only has 1 nonzero element there are a row or multiple row, Then the transmission mode is the transmission mode based on non-code book.
42. according to the method for claim 34, which is characterized in that when the information for being used to indicate pre-coding matrix index When pre-coding matrix corresponding to middle pre-coding matrix index has multiple nonzero elements there are a row or multiple row, then the transmission Mode is the transmission mode based on code book.
43. according to the method for claim 34, which is characterized in that the letter for being used to indicate broadband precoding matrix index It breath, the information for being used to indicate subband pre-coding matrix index and is used to indicate frequency and selects it in the information of pre-coding matrix index One and the information for being used to indicate transmission diversity mode be located in the descending control information format of different length.
44. according to the method for claim 34, which is characterized in that the signaling includes at least following one：It is described to be used for Indicate the information of broadband precoding matrix index, the information for being used to indicate subband pre-coding matrix index and described for referring to It is same to show that frequency selects one of information of pre-coding matrix index and the information for being used to indicate transmission diversity mode to be located at In descending control information format, and 3 kinds of information types are distinguished using the signaling of N-bit；Wherein, between N is 1 to 100 Integer.
45. the method according to claim 31 or 32, which is characterized in that second communication node voluntarily determines the hair Send mode.
46. the method according to claim 31 or 32, which is characterized in that second communication node sends information and used Sending method be to be determined based on the configuration parameter of the second communication node, the configuration parameter includes at least following one：It passes Defeated mode, the setting of wave beam consistency or channel reciprocity sexuality, the configuration of resource allocation, the configuration of uplink measurement reference signal.
47. according to the method for claim 46, which is characterized in that when uplink transmission mode is transmission diversity, described the Two communication nodes send the orthogonal frequency division multiplexing that sending method used in information is discrete Fourier transform spread spectrum.
48. according to the method for claim 46, which is characterized in that when there are wave beam consistency or presence for the second communication node When channel reciprocity sexuality, it is cyclic prefix orthogonal frequency division multiplexing that second communication node, which sends sending method used in information, With.
49. according to the method for claim 46, which is characterized in that when the resource allocation resource block RB numbers of the second communication node When amount is less than the second threshold value, second communication node sends sending method used in information and expands for discrete Fourier transform The orthogonal frequency division multiplexing of frequency；Wherein, second threshold value is some integer between 2 to 50.
50. according to the method for claim 46, which is characterized in that when the out-hole run parameter signal of the second communication node When frequency domain bandwidth is less than third threshold value, then it is direct computation of DFT that second communication node, which sends sending method used in information, The orthogonal frequency division multiplexing of leaf transformation spread spectrum；Wherein, the third threshold value is the integer between 2 to 50.
51. a kind of signaling instruction device of transmission mode, which is characterized in that including：
Second receiving module, for receiving the signaling from the first communication node, the signaling is used to indicate the second communication node Send sending method and/or transmission mode used in information；
Alternatively, the second determining module, sends out for being predefined with the first communication node used in the second communication node transmission information Send mode and/or transmission mode；
Wherein, described information includes at least one of following：
Business datum；
Control information.
52. device according to claim 51, which is characterized in that described sender formula includes at least following one：
The orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum；
Cyclic prefix orthogonal frequency division multiplexing.
53. device according to claim 51, which is characterized in that the transmission mode includes at least following one：
The mode of precoding；
The mode of broadband precoding；
The mode of subband precoding；
Frequency selects the mode of precoding；
The mode of transmission diversity；
The mode of single antenna；
The mode of single antenna port.
54. according to claim 51 to 53 any one of them device, which is characterized in that the signaling include at least it is following it One：
It is used to indicate the information of pre-coding matrix index；
It is used to indicate the information of broadband precoding matrix index；
It is used to indicate the information of subband pre-coding matrix index；
It is used to indicate the information that frequency selects pre-coding matrix index；
It is used to indicate the information of antenna or antenna port or beam index；
It is used to indicate the information of transmission diversity mode；
It is used to indicate the information of transmission mode；
It is used to indicate the information of the setting of wave beam consistency or channel reciprocity sexuality；
It is used to indicate the information of resource allocation；
It is used to indicate the information of measuring reference signals.
55. a kind of signaling instruction device of transmission mode, including：Processor and memory, which is characterized in that the memory is deposited Computer executable instructions are contained, the computer executable instructions realize following method when being executed by the processor：
Determine the second communication node send information used in sending method and/or transmission mode, and by described sender formula and/ Or transmission mode is indicated to the second communication node by signaling；
Alternatively, the first communication node and the second communication node, which predefine the second communication node, sends sending method used in information And/or transmission mode；
Wherein, described information includes business datum and/or control information.
56. a kind of signaling instruction device of transmission mode, including：Processor and memory, which is characterized in that the memory is deposited Computer executable instructions are contained, the computer executable instructions realize following method when being executed by the processor：
The signaling from the first communication node is received, the signaling is used to indicate the second communication node and sends hair used in information Send mode and/or transmission mode；
Alternatively, predefining the second communication node with the first communication node sends sending method and/or transmission side used in information Formula；
Wherein, described information includes at least one of following：
Business datum；
Control information.
57. a kind of computer readable storage medium, is stored with computer executable instructions, the computer executable instructions are located It manages when device executes and realizes claim 1 to 21 any one of them method.
58. a kind of computer readable storage medium, is stored with computer executable instructions, the computer executable instructions are located It manages when device executes and realizes claim 31 to 50 any one of them method.
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