WO2016078082A1 - 传输信息的方法、装置和设备 - Google Patents
传输信息的方法、装置和设备 Download PDFInfo
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- WO2016078082A1 WO2016078082A1 PCT/CN2014/091899 CN2014091899W WO2016078082A1 WO 2016078082 A1 WO2016078082 A1 WO 2016078082A1 CN 2014091899 W CN2014091899 W CN 2014091899W WO 2016078082 A1 WO2016078082 A1 WO 2016078082A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0075—Transmission of coding parameters to receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
- G06F16/84—Mapping; Conversion
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03898—Spatial equalizers codebook-based design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0018—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—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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- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
Definitions
- the present invention relates to the field of communications and, more particularly, to a method, apparatus and apparatus for transmitting information.
- a transmitting device can notify a receiving device of the state of the transmitting device (hereinafter, referred to as a transmission state for ease of understanding and description), for example, the transmitting device is in a transmitting state or does not transmit. a state, whereby the transmitting end device and the receiving end device can select a technology of air interface transmission corresponding to the transmission state, for example, an air interface transmission waveform, a frame structure, a retransmission technique, a code modulation technology, etc., thereby being able to flexibly utilize the above Various air interface transmission technologies improve communication quality and improve user experience.
- the communication system is required to provide dedicated communication resources and signaling to transmit information indicating the above transmission status between the transmitting end device and the receiving end device, resulting in complicated interaction between the transmitting end device and the receiving end device. It increases the overhead of communication resources.
- Embodiments of the present invention provide a method, an apparatus, and a device for transmitting information, which can simplify interaction between a transmitting end device and a receiving end device.
- a method for determining a transmission state comprising: receiving, by a receiving device, a first symbol sequence sent by a transmitting device in a first time period; determining, according to the first symbol sequence, a first modulation parameter set
- the first modulation parameter set is a modulation parameter set used by the transmitting end device to perform a modulation process for generating the first symbol sequence, the modulation parameter set includes at least one of: a constellation point set and a codebook;
- the method further includes: Determining, by the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where the second mapping relationship information is used to indicate one between the N transmission states and the N transmission parameter sets a mapping relationship, the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the method further includes: receiving, by the second transmission parameter, the second symbol in the second time period according to the second transmission parameter set. sequence.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the receiving end device receives the first symbol sequence sent by the sending end device in the first time period, including: when determining the sending end device Receiving, by the receiving end device, the transmitting end device according to the preset first transmission parameter set in the first time period when no information transmission occurs between the receiving end device and the first preset time length range before the first time period And sending the first symbol sequence, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the determining, by the first symbol sequence, the first modulation parameter set includes: intercepting the sub-symbol sequence from the first symbol sequence
- the sub-symbol sequence includes at least two symbols; according to the sub-symbol sequence, a first modulation parameter set is determined.
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device meets a preset condition.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- a transmission parameter corresponding to the packet transmission state In the set, if the transmission parameter includes a frame structure, the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes code modulation
- the coded modulation scheme is a multi-element low-density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- the transmission parameter includes a frame structure
- the frame structure is a frame structure with a frame length greater than 1 ms
- the transmission parameter includes a retransmission policy
- the retransmission policy is no rate transmission
- the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a low density parity check code or a Turbo code.
- a second aspect provides a method for transmitting information, the method comprising: determining a first transmission state, where the first transmission state is a transmission state of the transmitting device during a second time period; according to a preset first mapping relationship Determining, by the information, a first modulation parameter set corresponding to the first transmission state, where the first mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N modulation parameter sets, the first The modulation parameter set belongs to the N modulation parameter sets, the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of: a constellation point set and a codebook, N ⁇ 2; according to the first modulation parameter set Performing a modulation process to generate a first symbol sequence and transmitting the first symbol sequence to the receiving device during the first time period, wherein the second time period is after the first time period.
- the method further includes: determining, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where The second mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, where the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following Transmission parameters: frame structure, retransmission strategy, code modulation scheme.
- the method further includes: transmitting the second symbol to the receiving end device according to the second transmission parameter set in the second time period sequence.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the transmitting, by the receiving device, the first symbol sequence in the first time period including: when determining the sending end device and receiving And transmitting, by the end device, the first symbol sequence to the receiving device according to the preset first transmission parameter set, when the information transmission does not occur within the first preset duration range before the first period, the first transmission
- the parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- the transmission parameter set corresponding to the packet transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a multi-element low-density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- the transmission parameter includes a frame structure
- the frame structure is a frame structure with a frame length greater than 1 ms
- the transmission parameter includes a retransmission policy
- the retransmission policy is no rate transmission
- the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a low density parity check code or a Turbo code.
- the third aspect provides an apparatus for determining a transmission status, where the apparatus includes: a receiving unit, configured to receive a first symbol sequence sent by a transmitting device in a first time period; and a determining unit, configured to use, according to the first symbol sequence Determining a first modulation parameter set, wherein the first modulation parameter set is The transmitting end device performs a modulation parameter set used for generating a modulation process of the first symbol sequence, where the modulation parameter set includes at least one of: a constellation point set and a codebook, and is configured to use the preset first mapping relationship information according to the preset Determining a first transmission state corresponding to the first modulation parameter set as a transmission state of the transmitting end device during a second time period, wherein the first mapping relationship information is used to indicate N transmission states and N modulations a one-to-one mapping relationship between the parameter sets, the first modulation parameter set belongs to the N modulation parameter sets, the first transmission state belongs to the N transmission states, and the second time period is after the first time
- the determining unit is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where The second mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, where the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least the following A transmission parameter: frame structure, retransmission strategy, code modulation scheme.
- the receiving unit is further configured to receive, according to the second transmission parameter set, the second transmission parameter set, in the second time period, Symbol sequence.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the receiving unit is specifically configured to: when determining, between the sending end device and the receiving end device, before the first time period Receiving, by the receiving device, the first symbol sequence sent by the sending device according to the preset first transmission parameter set, where the first transmission parameter set includes the following at least A transmission parameter: frame structure, retransmission strategy, code modulation scheme.
- the determining unit is specifically configured to intercept a sub-symbol sequence from the first symbol sequence, where the sub-symbol sequence includes at least two symbols; And for determining a first modulation parameter set according to the sub-symbol sequence.
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device satisfies a preset condition.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- the transmission parameter set corresponding to the packet transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a multi-element low-density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- the transmission parameter includes a frame structure
- the frame structure is a frame structure with a frame length greater than 1 ms
- the transmission parameter includes a retransmission policy
- the retransmission policy is no rate transmission
- the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a low density parity check code or a Turbo code.
- an apparatus for transmitting information comprising: a determining unit, configured to determine a first transmission state, where the first transmission state is a transmission state of the transmitting device during a second time period, according to Determining, by the preset first mapping relationship information, a first modulation parameter set corresponding to the first transmission state, where the first mapping relationship information is used to indicate one between the N transmission states and the N modulation parameter sets a mapping relationship, the first modulation parameter set belongs to the N modulation parameter sets, the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of the following: a constellation point set and a codebook, N ⁇ 2; a sending unit, configured to perform modulation processing according to the first modulation parameter set to generate a first symbol sequence, and transmit the first symbol sequence to the receiving end device in a first time period, where the second time period is in the first After the time period.
- the determining unit is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter corresponding to the first transmission state.
- the second mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, where the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set
- the following at least one transmission parameter is included: a frame structure, a retransmission policy, and a coded modulation scheme.
- the sending unit is further configured to: in the second time period, transmit a second to the receiving end device according to the second transmission parameter set Symbol sequence.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the sending unit is specifically configured to: when determining, between the sending end device and the receiving end device, before the first time period When the information transmission does not occur within a preset duration, the first symbol sequence is transmitted to the receiving device according to the preset first transmission parameter set, where the first transmission parameter set includes at least one of the following transmission parameters: frame structure, weight Transmission strategy, code modulation scheme.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- the transmission parameter set corresponding to the packet transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a multi-element low-density parity check code or a polarization code.
- a seventh implementation manner of the fourth aspect when the N transmission states include a large throughput transmission state, in a transmission parameter set corresponding to the large throughput transmission state If the transmission parameter includes a frame structure, the frame structure is a frame structure with a frame length greater than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is no rate transmission; if the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the transmission parameters corresponding to the normal transmission state In the set, if the transmission parameter includes a frame structure, the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes code modulation In the scheme, the coded modulation scheme is a low density parity check code or a Turbo code.
- a fifth aspect provides a device for determining a transmission state, the device comprising: a bus; a processor coupled to the bus; a memory coupled to the bus; a receiver coupled to the bus; wherein the processor passes the a bus, calling a program stored in the memory, for controlling the receiver to receive the first symbol sequence sent by the transmitting device in the first time period; and determining, according to the first symbol sequence, the first modulation parameter set, where The first modulation parameter set is a modulation parameter set used by the transmitting end device to perform a modulation process for generating the first symbol sequence, and the modulation parameter set includes at least one of: a constellation point set and a codebook; And determining, by the preset first mapping relationship information, a first transmission state corresponding to the first modulation parameter set, as a transmission state of the transmitting end device during the second time period, where the first mapping relationship information is used to indicate a one-to-one mapping relationship between N transmission states and N modulation parameter sets, the first modulation parameter set belonging to the N modulation parameters
- the processor is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where The second mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, where the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least the following A transmission parameter: frame structure, retransmission strategy, code modulation scheme.
- the processor is further configured to, according to the second transmission parameter set, control the receiver to receive the transmitting end during the second time period.
- the device transmits a second sequence of symbols.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the processor is specifically configured to: when determining, between the sending end device and the receiving end device, before the first time period When no information transmission occurs within a preset duration, in the first period, according to the preset
- the first transmission parameter set controls the receiver to receive the first symbol sequence sent by the sending end device, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the processor is specifically configured to intercept a sub-symbol sequence from the first symbol sequence, where the sub-symbol sequence includes at least two symbols; And for determining a first modulation parameter set according to the sub-symbol sequence.
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device meets a preset condition.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- the transmission parameter set corresponding to the packet transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a multi-element low-density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- the transmission parameter includes a frame structure
- the frame structure is a frame structure with a frame length greater than 1 ms
- the transmission parameter includes a retransmission policy
- the retransmission policy is no rate transmission
- the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a low density parity check code or a Turbo code.
- an apparatus for transmitting information comprising: a bus; a processor coupled to the bus; a memory coupled to the bus; a transmitter coupled to the bus; wherein the processor passes the bus Calling a program stored in the memory for determining the first transmission state,
- the first transmission state is a transmission state of the transmitting device during the second time period, and is configured to determine, according to the preset first mapping relationship information, a first modulation parameter set corresponding to the first transmission state, where
- the first mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N modulation parameter sets, where the first modulation parameter set belongs to the N modulation parameter sets, and the first transmission state belongs to the N transmissions a state
- the modulation parameter set includes at least one of: a constellation point set and a codebook, N ⁇ 2; configured to perform modulation processing according to the first modulation parameter set to generate a first symbol sequence, and control the first time period
- the transmitter transmits the first sequence of symbols to the receiving device, where
- the processor is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where The second mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, where the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least the following A transmission parameter: frame structure, retransmission strategy, code modulation scheme.
- the processor is further configured to, according to the second transmission parameter set, control the transmitter to the receiving end in the second time period
- the device transmits a second sequence of symbols.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set
- the second modulation parameter set is
- the second transmission state is a transmission state of the transmitting device during the third time period
- the third time period is after the second time period.
- the processor is specifically configured to determine, before determining, between the sending end device and the receiving end device, before the first time period
- the transmitter is controlled to transmit the first symbol sequence to the receiving device according to the preset first transmission parameter set, where the first transmission parameter set includes at least one of the following transmission parameters: Frame structure, retransmission strategy, code modulation scheme.
- the N transmission states include at least one of the following states: a packet transmission state, a normal transmission state, and a large throughput transmission state.
- the N transmission states include a packet transmission state
- a transmission parameter corresponding to the packet transmission state In the set, if the transmission parameter includes a frame structure, the frame structure is a frame structure with a frame length of less than 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is fast retransmission; if the transmission parameter includes code modulation
- the coded modulation scheme is a multi-element low-density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- the transmission parameter includes a frame structure
- the frame structure is a frame structure with a frame length greater than 1 ms
- the transmission parameter includes a retransmission policy
- the retransmission policy is no rate transmission
- the transmission parameter includes a coded modulation scheme, Then the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission The parameter includes a frame structure, and the frame structure is a frame structure with a frame length equal to 1 ms; if the transmission parameter includes a retransmission policy, the retransmission policy is a standard retransmission; if the transmission parameter includes a coding modulation scheme, the coding modulation The scheme is a low density parity check code or a Turbo code.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and first before the second time period a period of time, based on the modulation parameter set, modulating data to be sent to the receiving end device, and transmitting the generated symbol to the receiving end device, so that the receiving end device can determine the transmitting end device according to the received symbol.
- the modulation parameter set used in turn, can determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device can select and correspond to the transmission state in the second time period.
- the air interface transmission technology can reduce the interaction process and system resource overhead to complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the communication resource overhead.
- FIG. 1 is a schematic diagram of a communication system to which the method of transmitting information of the present invention is applied.
- FIG. 2 is a schematic flow chart of a method of transmitting information according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of a modulation parameter set in accordance with an embodiment of the present invention.
- FIG. 4 is a schematic flowchart of a method of transmitting information according to another embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of an apparatus for transmitting information according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of an apparatus for transmitting information according to another embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of an apparatus for transmitting information according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of an apparatus for transmitting information according to another embodiment of the present invention.
- a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
- an application running on a computing device and a computing device can be a component.
- One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
- these components can execute from various computer readable media having various data structures stored thereon.
- a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
- data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
- the present invention describes various embodiments in connection with a terminal device.
- the terminal device may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, and a user.
- Agent or user device may be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), and a wireless communication.
- the network device can be, for example, For a device such as a base station, the base station can be used to communicate with the mobile device, and the base station can be a GSM (Global System of Mobile communication) or a BTS (Base Transceiver Station) in CDMA (Code Division Multiple Access).
- NB NodeB, base station
- WCDMA Wideband Code Division Multiple Access
- eNB or eNodeB Evolutional Node B
- LTE Long Term Evolution
- the present invention describes various embodiments in connection with a network device.
- the network device can be, for example, a device such as a base station, the base station can be used to communicate with the mobile device, and the base station can be a GSM (Global System of Mobile communication) or a BTS (Base Transceiver Station) in CDMA (Code Division Multiple Access).
- NB NodeB, base station
- WCDMA Wideband Code Division Multiple Access
- eNB or eNodeB Evolutional Node B
- LTE Long
- the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
- the computer readable medium may include, but is not limited to, a magnetic storage device (for example, a hard disk, a floppy disk, or a magnetic tape), and an optical disk (for example, a CD (Compact Disk), a DVD (Digital Versatile Disk). Etc.), smart cards and flash memory devices (eg, EPROM (Erasable Programmable Read-Only Memory), cards, sticks or key drivers, etc.).
- various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
- the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
- the communication system 100 includes a base station 102 that can include multiple antenna groups.
- Each antenna group may include one or more antennas, for example, one antenna group may include antennas 104 and 106, another antenna group may include antennas 108 and 110, and an additional group may include antennas 112 and 114.
- Two antennas are shown in Figure 1 for each antenna group, although more or fewer antennas may be used for each group.
- Base station 102 can additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which can include multiple components associated with signal transmission and reception (e.g., processor, modulator, multiplexer, demodulation) , demultiplexer or antenna, etc.).
- a transmitter chain and a receiver chain can include multiple components associated with signal transmission and reception (e.g., processor, modulator, multiplexer, demodulation) , demultiplexer or antenna, etc.).
- Base station 102 can communicate with a plurality of user equipments, such as user equipment 116 and user equipment 122. However, it will be appreciated that base station 102 can communicate with any number of user devices similar to user equipment 116 or 122.
- User devices 116 and 122 may be, for example, cellular telephones, smart phones, portable computers, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable for communicating over wireless communication system 100. device.
- user equipment 116 is in communication with antennas 112 and 114, with antennas 112 and 114 Information is transmitted to user equipment 116 over forward link 118 and received from user equipment 116 over reverse link 120.
- user equipment 122 is in communication with antennas 104 and 106, wherein antennas 104 and 106 transmit information to user equipment 122 over forward link 124 and information from user equipment 122 over reverse link 126.
- the forward link 118 can utilize a different frequency band than that used by the reverse link 120, and the forward link 124 can utilize the reverse link. 126 different frequency bands used.
- FDD Frequency Division Duplex
- the forward link 118 and the reverse link 120 can use a common frequency band, a forward link 124, and a reverse link.
- Link 126 can use a common frequency band.
- Each set of antennas and/or regions designed for communication is referred to as a sector of base station 102.
- the antenna group can be designed to communicate with user equipment in sectors of the coverage area of base station 102.
- the transmit antennas of base station 102 may utilize beamforming to improve the signal to noise ratio of forward links 118 and 124.
- the mobile device in the neighboring cell is transmitted when the base station 102 uses beamforming to transmit signals to the randomly dispersed user equipments 116 and 122 in the relevant coverage area, as compared to the manner in which the base station transmits signals to all of its user equipments through a single antenna. Will be less interfered.
- base station 102, user equipment 116, or user equipment 122 may be a wireless communication transmitting device and/or a wireless communication receiving device.
- the wireless communication transmitting device can encode the data for transmission.
- the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device.
- Such data bits may be included in a transport block (or multiple transport blocks) of data that may be segmented to produce multiple code blocks.
- multiple terminal devices may multiplex the same time-frequency resource with the base station for data transmission, and, as the same time-frequency resource,
- the time-frequency resource may be a time-frequency resource block (also referred to as a time-frequency resource group) composed of multiple REs
- the multiple REs may be the same in the time domain (ie, corresponding to the same symbol) and the locations in the frequency domain are different (ie, corresponding to different subcarriers), or the multiple REs may be in The positions on the time domain are different (ie, corresponding to different symbols) and the positions in the frequency domain are the same (ie, corresponding to the same subcarrier), and the present invention is not particularly limited.
- An example of the communication system 100 is a sparse code division multiple access (SCMA) system in which a plurality of users multiplex the same time-frequency resource block for data transmission.
- SCMA sparse code division multiple access
- Each resource block is composed of a number of resource REs, where the REs may be subcarrier-symbol units in OFDM technology, or may be resource units in the time domain or frequency domain of other air interface technologies.
- the available resources are divided into a number of orthogonal time-frequency resource blocks, each resource block containing L REs, wherein the L REs may be the same location in the time domain.
- each codebook contains 2S different modulation symbol groups, corresponding to 2S possible data blocks.
- SCMA system is only an example of a communication system for applying the method and apparatus for adjusting the modulation coding order of the present invention, and the present invention is not limited thereto, and any related to the transmitting end device and the receiving end device according to the transmission state. Communication systems for data transmission are all within the scope of the present invention.
- the base station may perform data transmission with multiple user equipments at the same time, because the process of transmitting data by the base station and each user equipment is similar.
- the flow of transmitting data by the base station and the UE #1 (that is, an example of the first user equipment) among the plurality of UEs will be described as an example.
- the method 200 includes:
- the receiving end device receives the first symbol sequence sent by the sending end device in the first time period.
- S220 Determine, according to the first symbol sequence, a first modulation parameter set, where the first modulation parameter set is when the transmitting end device performs a modulation process for generating the first symbol sequence.
- a set of modulation parameters the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of: a constellation point set and a codebook;
- the method 200 may be applied to uplink transmission, that is, the source device may be a terminal device, the receiver device may be a network device (for example, a base station), or the method 200 may be applied to downlink transmission, that is, The transmitting device may be a base station, and the receiving device may be a user device.
- the present invention is not particularly limited.
- the method 200 is applied to the process of uplink transmission as an example, and the method 200 is described in detail.
- the UE #1 may determine to generate information bits that need to be transmitted to the base station, and the process may be similar to the prior art, and a detailed description thereof will be omitted herein to avoid redundancy.
- the UE #1 may perform modulation processing on the information bits to generate a modulation symbol (ie, a first symbol sequence) based on a pre-stored modulation parameter set.
- a modulation symbol ie, a first symbol sequence
- a plurality of (N) may be stored in advance.
- the modulation parameter set is selected by UE#1.
- the modulation parameter set may be a constellation point set or a codebook, and the present invention is not particularly limited, and may be selected according to a transmission mode adopted by the applied communication system.
- a constellation point set when applied to a scene for single-user transmission, can be selected as a modulation parameter set.
- a codebook when applied to a scenario of multi-user transmission (eg, applied to an SCMA system), can be selected as a set of modulation parameters.
- the codeword is a mapping relationship of information bits to transmission symbols.
- the codebook is a set of codewords, that is, a set of the above mapping relationships.
- the modulation parameter set optionally includes a codebook, which is a set of codewords, and is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the method and the process of performing the modulation processing based on the constellation point set or the codebook may be the same as the prior art, and a detailed description thereof is omitted herein to avoid redundancy.
- FIG. 3 is a schematic diagram showing an alternative modulation parameter set in an embodiment of the present invention, as shown in FIG.
- the N sets of modulation parameters may include a constellation point set S1, a constellation point S2, and a constellation point set S3, and the constellation point set may be obtained by, for example, a phase change (eg, phase rotation), or may be The manner of change is obtained by a method in which the phase and the amplitude are simultaneously changed, and the present invention is not particularly limited.
- the N modulation parameter sets may have a one-to-one correspondence relationship with N transmission states (or may also be referred to as user states).
- the transmission state includes at least one of the following states:
- the packet transmission state means that the packet of the transmitted service is small (for example, the size is 1 kb or less), for example, a service for transmitting text information.
- the normal transmission state means that the data packet of the transmitted service is within the normal range (for example, the size is between 1 kb and 1 Mb), for example, picture transmission, web browsing, and the like.
- the large throughput transmission state means that the data packet of the transmitted service is large (for example, the size is above 1 Mb), for example, a video access service or an online game service.
- Table 1 below shows an entry (i.e., an example of the first mapping relationship information) for indicating a correspondence relationship between the above-described N modulation parameter sets (taking a constellation point set as an example) and N transmission states.
- the modulation parameter set corresponding to each transmission state enumerated above is only an exemplary description, and the present invention is not limited thereto, and the mapping relationship between the transmission state determined by the transmitting end and the receiving end and the modulation parameter set is consistent.
- the modulation parameter set corresponding to each transmission state can be arbitrarily changed on the premise that one modulation parameter set uniquely corresponds to one transmission state.
- the above-mentioned transmission state includes three transmission states, but the present invention is not limited thereto, and may include any number of states described above, and may also introduce other states, for example, an unconnected state (or , no transmission status), the non-access status means that the sender has no data or information needs to be transmitted.
- an unconnected state or , no transmission status
- the transmitting end does not transmit data to the receiving end, and thus does not involve modulation and demodulation using constellation points, so the unconnected state may not correspond to any modulation parameter set.
- the base station can also obtain the first mapping relationship information by using a similar method and process.
- the UE #1 may determine the transmission state of the second time period thereof.
- the transmission state #A is recorded, for example, UE#1 may be based on the second
- the service accessed during the time period determines the transmission status #A. For example, if the service accessed in the second time period is a service involving text transmission such as web browsing or chat, it may be determined that the transmission status #A is the packet transmission status. If the service accessed in the second period is an online game or a video download service, it can be determined that the transmission status #A is a large throughput transmission status.
- the foregoing second time period refers to a future time period, that is, the time length of the start time of the second time period is greater than a preset threshold, and the threshold may be based on the device between the sending end device and the receiving end device.
- the length of time required to complete a data transmission is determined to ensure that the receiving device can know the transmission status of the transmitting device during the second time period before the second time period.
- the UE #1 may determine the modulation parameter set corresponding to the transmission state #A based on the first mapping relationship information (for example, the above Table 1). Hereinafter, for ease of understanding and explanation, the modulation is recorded as modulation. Parameter Set #A.
- the UE#1 may perform the modulation processing on the information bits according to the modulation parameter set #A to generate the first symbol sequence, and the method and the flow of the foregoing modulation processing may be similar to the prior art.
- the method and the flow of the foregoing modulation processing may be similar to the prior art.
- the detailed description is omitted.
- the UE #1 may transmit the first symbol sequence to the base station in a period before the second period (ie, the first period, for example, may include the current time T).
- the UE#1 may determine whether the transmission performed in the first time period is continuous transmission, and according to the determination result, select a transmission parameter to send the first symbol sequence to the base station.
- UE#1 may determine whether data transmission with the base station occurs before the first time period (within a prescribed time length range), and if so, the transmission parameters used in the previous transmission may be used, if not, then The default default transmission parameters (ie, an example of the first set of transmission parameters) are used.
- transmitting the first symbol sequence to the receiving device in the first time period including:
- the transmitting end device and the receiving end device are in the first Whether information transmission occurs in the first preset duration range before a period of time, the transmission parameters selected by the transmitting end device and the receiving end device can be made consistent, thereby further improving the reliability of the transmission.
- the base station After the UE1 sends the first symbol sequence in the first time period, the base station can receive the first symbol sequence. It should be noted that the time when the base station receives the first symbol sequence is before the second time period.
- the base station may determine whether the transmission performed in the first time period is continuous transmission, and according to the determination result, select a transmission parameter to receive the first symbol sequence sent by the UE#1.
- the base station may determine whether data transmission with the UE #1 occurs before the first time period (within a predetermined duration), and if so, the transmission parameter used in the previous transmission may be used, if not,
- the default default transmission parameters ie, an example of the first set of transmission parameters
- the process of receiving the modulation symbol by using the transmission parameter may be similar to the prior art, and a detailed description thereof is omitted in order to avoid redundancy.
- the base station may determine the modulation parameter set used by UE#1 when performing modulation processing for generating the first symbol sequence.
- determining, according to the first symbol sequence, the first modulation parameter set including:
- a first set of modulation parameters is determined based on the sequence of subsymbols.
- the base station may intercept a sequence of sub-symbols (including at least two symbols) from the first sequence of symbols.
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device meets a preset condition.
- the sub-symbol sequence may be a plurality of symbols received first, or may be a plurality of symbols received when the channel environment is good.
- the base station may perform decoding on the N sets of modulation parameters (for example, including the foregoing S1, S2, and S3) by using an information transfer algorithm, and obtain a log likelihood ratio of each symbol in the sub-symbol sequence (LLR, Likelihood). Rate) value.
- N sets of modulation parameters for example, including the foregoing S1, S2, and S3
- LLR log likelihood ratio of each symbol in the sub-symbol sequence
- Rate Likelihood
- the LLRs of the respective symbols obtained based on the above N sets of modulation parameters can be respectively respectively
- the value is obtained by first taking the absolute value and then summing, obtaining the sum of the LLR values corresponding to the N sets of modulation parameters, and confirming the modulation parameter set with the largest sum of the corresponding LLR values as UE#1 is being used to generate the first symbol sequence.
- the modulation parameter set used in the modulation processing that is, the modulation parameter set #A.
- the method and process of determining the modulation parameter set used by the transmitting end device in performing the modulation processing by the receiving end device are merely exemplary, and the present invention is not limited thereto.
- the above-described determination process may be performed by using the entire sequence of the first symbol sequence as the above-described sub-symbol sequence.
- the base station may determine, according to the first mapping relationship information, a transmission status corresponding to the modulation parameter set #A, that is, a transmission status #A, and confirm the transmission status #A as UE#1 in the second period. Transmission status.
- the method further includes:
- the second mapping relationship information is used to indicate between the N transmission states and the N transmission parameter sets A mapping relationship, the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the transmitting device and the receiving device may adopt different transmission technologies, or transmit parameter sets.
- the transmission parameter set may include the following parameters, for example, a frame structure, a retransmission policy, a coded modulation scheme, etc., so that the above various air interface transmission technologies can be flexibly utilized to improve communication quality and improve user experience.
- the following transmission techniques may be employed for each transmission state.
- the transmission state includes the packet transmission state
- the transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the packet transmitted by the packet transmission state is small (less than 1 kb)
- only a frame structure having a small frame length can satisfy the transmission requirement, thereby improving the transmission rate and reducing the transmission rate.
- the power consumption of both the receiving device and the transmitting device reduces the overhead of system resources.
- the transmission rate can be increased, and the power consumption of both the receiving device and the transmitting device can be reduced.
- the transmission rate can be improved by using a modulation scheme such as a multi-element low-density parity check code or a polarization code optimized for the short packet length. , reduce the probability of error detection at the receiving end.
- a modulation scheme such as a multi-element low-density parity check code or a polarization code optimized for the short packet length.
- the transmission state includes the large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the proportion of resources occupied by the control signaling can be reduced, thereby increasing the transmission rate. Reduce the power consumption of both the receiving device and the transmitting device.
- the number of system feedback can be significantly reduced, thereby increasing the transmission rate and reducing the system resources. Overhead.
- the complexity and system error can be well balanced by using a modulation coding scheme suitable for long code block transmission such as a low density parity check code. Performance, which increases the transmission rate and reduces the power consumption of both the receiving device and the transmitting device.
- transmission parameters corresponding to the above-mentioned large-throughput transmission state are merely illustrative, and the present invention is not limited thereto, and various transmission parameters that can exert effects in a large-throughput transmission state fall into the present invention. Within the scope of protection.
- the transmission state includes the normal transmission state
- the transmission parameter set corresponding to the normal transmission state in the transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity check code or a turbo code Turbo code.
- the specific physical quantity included in the above-mentioned transmission parameter set is merely an exemplary description, and the present invention is not limited thereto, and may include, for example, a transmission waveform.
- the transmission state includes a packet transmission state
- the transmission parameter set corresponding to the packet transmission state if the transmission parameter includes a transmission waveform, the transmission waveform is a filter orthogonal frequency division multiplexing F-OFDM waveform or positive Frequency division multiplexing OFDM waveform;
- the transmission state includes a large throughput transmission state
- the transmission parameter set corresponding to the large throughput transmission state if the transmission parameter includes a transmission waveform, the transmission waveform is a carrier aggregation waveform;
- the transmission state includes a normal transmission state
- the transmission parameter set corresponding to the normal transmission state if the transmission parameter includes a transmission waveform, the transmission waveform is an OFDM waveform.
- the packet transmission occupies less spectrum resources, so it is necessary to select a waveform with a small occupied bandwidth and a small spectrum sideband leakage, such as F-OFDM.
- Table 2 shows an entry for indicating a correspondence relationship between the above N transmission states and N transmission parameter sets (that is, an example of the second mapping relationship information).
- the number of transmission parameters included in the transmission parameter set may be arbitrary, and the present invention is not particularly limited.
- the above-mentioned transmission state includes three transmission states, but the present invention is not limited thereto, and may include any number of states described above, and may also introduce other states, for example, an unconnected state (or , no transmission status), the non-access status means that the sender has no data or information needs to be transmitted.
- an unconnected state or , no transmission status
- the non-access status means that the sender has no data or information needs to be transmitted.
- the unconnected state the transmitting end does not send data to the receiving end, and thus does not involve the use of the transmission parameter, so the unconnected state may not correspond to any transmission parameter set.
- the base station can also obtain the second mapping relationship information by using a similar method and process.
- the base station can determine the transmission parameter set corresponding to the transmission state #A according to the second mapping relationship information, and for convenience of understanding, the transmission parameter set #A is hereinafter described.
- the method further includes:
- UE#1 may perform modulation processing on data that needs to be transmitted to the base station to generate a second symbol sequence, and transmit parameter set #A through The second sequence of symbols is transmitted to the base station.
- transmitting, according to the second transmission parameter set, the second symbol sequence to the receiving end device including:
- the second symbol sequence is generated by a modulation process based on the second modulation parameter set. a symbol, the second modulation parameter set corresponding to a second transmission state, where the second transmission state is a transmission state of the transmitting end device during a third time period, the third time period being after the second time period.
- the transmission state in the third period (after the second period) can be determined.
- the transmission state #B is recorded.
- determining a modulation parameter set corresponding to the transmission state #B according to the first mapping relationship information, and hereinafter, for the sake of easy understanding and explanation, the modulation parameter set #B is recorded.
- the above-described modulation processing can be performed in accordance with the modulation parameter set #B to generate a second symbol sequence.
- the base station may receive the second symbol sequence according to the input parameter set #A determined as described above, and may determine the modulation parameter used by the UE #1 when performing modulation processing for generating the second symbol sequence.
- the set that is, the modulation parameter set #B, further determines the set of transmission parameters corresponding to the modulation parameter set #B.
- the input parameter set #B is recorded.
- UE#1 and the base station can transmit the parameter set #B to transmit information.
- first mapping relationship information and the second mapping relationship information listed above are recorded in two entries is merely an exemplary description, and the present invention is not limited thereto, and may also be recorded and modulated in the same entry.
- the mapping relationship between the parameter set, the transmission state, and the transmission parameter set is merely an exemplary description, and the present invention is not limited thereto, and may also be recorded and modulated in the same entry.
- the transmission state may also be referred to as a user state, which is determined according to the state of the user equipment (for example, the service accessed by the user equipment, etc.), and therefore, according to the transmission state, communication can be adapted to the communication.
- the needs of user equipment can improve the user experience and increase the flexibility of communication.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set modulates the data that needs to be sent to the receiving end device, and sends the generated symbol to the receiving end device, so that the receiving end device can determine the modulation parameter used by the transmitting end device according to the received symbol.
- the set may determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device may select the air interface transmission corresponding to the transmission state in the second time period.
- the technology can reduce the interaction process and system resource overhead to complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the overhead of communication resources.
- the method 300 includes:
- S320 Determine, according to the preset first mapping relationship information, a first modulation parameter set corresponding to the first transmission state, where the first mapping relationship information is used to indicate N transmission states and N modulation parameter sets.
- a first one-to-one mapping relationship the first modulation parameter set belongs to the N modulation parameter sets, the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of: a constellation point set and a codebook, N ⁇ 2;
- S330 Perform modulation processing according to the first modulation parameter set to generate a first symbol sequence, and transmit the first symbol sequence to the receiving end device in a first time period, where the second time period is after the first time period.
- the method further includes:
- the second mapping relationship information is used to indicate between the N transmission states and the N transmission parameter sets A mapping relationship, the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the method further includes:
- the second symbol sequence is transmitted to the receiving end device.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set, where the second modulation parameter set corresponds to a second transmission state, where the second transmission state is a transmission state during a third time period, the third time period being after the second time period.
- transmitting the first symbol sequence to the receiving device including:
- the transmitting end device When it is determined that no information transmission occurs between the transmitting end device and the receiving end device within a first preset duration range before the first time period, transmitting the information to the receiving end device according to the preset first transmission parameter set.
- the first set of transmission parameters comprising at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the N transmission states include at least one of the following states:
- the N transmission states include a packet transmission state
- a transmission parameter set corresponding to the packet transmission state in a transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state in a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- a transmission parameter set corresponding to the normal transmission state in a transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity check code or a turbo code.
- the modulation parameter set includes a codebook, where the codebook is a set of codewords, and the codeword is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the operation of the transmitting device is similar to the action of the UE #1 in the method 200, and the operation of the receiving device is similar to the operation of the base station in the method 200.
- the operation of the transmitting device is similar to the action of the UE #1 in the method 200
- the operation of the receiving device is similar to the operation of the base station in the method 200.
- detailed description thereof is omitted.
- the transmission state may also be referred to as a user state, which is determined according to the state of the user equipment (for example, the service accessed by the user equipment, etc.), and therefore, according to the transmission state, communication can be adapted to the communication.
- the needs of user equipment can improve the user experience and increase the flexibility of communication.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set adjusts the data that needs to be sent to the receiving device Processing, and transmitting the generated symbol to the receiving device, so that the receiving device can determine the modulation parameter set used by the transmitting device according to the received symbol, and further determine the corresponding corresponding to the modulation parameter set.
- the transmission state of the transmitting device in the second time period Therefore, the transmitting device and the receiving device can select the air interface transmission technology corresponding to the transmission state in the second time period, and reduce the interaction process and system resource overhead to complete the transmission. Notification of status, which can simplify the interaction between the sender device and the receiver device, and reduce the overhead of communication resources.
- FIGS. 1 through 4 a method of transmitting information according to an embodiment of the present invention is described in detail with reference to FIGS. 1 through 4.
- an apparatus for transmitting information according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 through 6.
- FIG. 5 shows a schematic block diagram of an apparatus 400 for transmitting information in accordance with an embodiment of the present invention.
- the apparatus 400 includes:
- the receiving unit 410 is configured to receive, in the first time period, a first symbol sequence sent by the sending end device;
- a determining unit 420 configured to determine, according to the first symbol sequence, a first modulation parameter set, where the first modulation parameter set is a modulation parameter used by the transmitting end device to perform a modulation process for generating the first symbol sequence
- the set, the modulation parameter set includes at least one of the following: a constellation point set and a codebook, and is configured to determine, according to the preset first mapping relationship information, a first transmission state corresponding to the first modulation parameter set, as the sending end a transmission state of the device during the second time period, wherein the first mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N modulation parameter sets, where the first modulation parameter set belongs to the N modulations a parameter set, the first transmission state belongs to the N transmission states, and the second time period is after the first time period, and N ⁇ 2.
- the determining unit is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where the second mapping relationship information is used to indicate N transmissions. a one-to-one mapping relationship between the state and the N sets of transmission parameters, the second set of transmission parameters belonging to the N sets of transmission parameters, each transmission parameter set comprising at least one of the following transmission parameters: frame structure, retransmission strategy, code modulation Program.
- the receiving unit is further configured to receive, by the sending end device, the second symbol sequence according to the second transmission parameter set in the second time period.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set, where the second modulation parameter set corresponds to a second transmission state, where the second transmission state is a transmission state during a third time period, the third time period being after the second time period.
- the receiving unit is specifically configured to: when it is determined that the information transmission between the sending end device and the receiving end device does not occur within a first preset duration before the first time period, the receiving device is first And receiving, according to the preset first transmission parameter set, a first symbol sequence sent by the sending end device, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the determining unit is specifically configured to intercept a sub-symbol sequence from the first symbol sequence, where the sub-symbol sequence includes at least two symbols;
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device meets a preset condition.
- the N transmission states include at least one of the following states:
- the N transmission states include a packet transmission state
- a transmission parameter set corresponding to the packet transmission state in a transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state in a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- a transmission parameter set corresponding to the normal transmission state in a transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity Code or Turbo code.
- the modulation parameter set includes a codebook, where the codebook is a set of codewords, and the codeword is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the device is a receiving end device, and the receiving end device is a network device.
- the apparatus 400 for transmitting information may correspond to a receiving end device (for example, a base station) in the method of the embodiment of the present invention, and each unit in the apparatus 400 for transmitting information, that is, a module and the other operations described above and/or For the sake of brevity, the functions of the method 200 in FIG. 2 are not described here.
- a receiving end device for example, a base station
- each unit in the apparatus 400 for transmitting information that is, a module and the other operations described above and/or
- the functions of the method 200 in FIG. 2 are not described here.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set modulates the data that needs to be sent to the receiving end device, and sends the generated symbol to the receiving end device, so that the receiving end device can determine the modulation parameter used by the transmitting end device according to the received symbol.
- the set may determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device may select the air interface transmission corresponding to the transmission state in the second time period.
- the technology can reduce the interaction process and system resource overhead to complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the overhead of communication resources.
- FIG. 6 shows a schematic block diagram of an apparatus 500 for transmitting information in accordance with an embodiment of the present invention.
- the apparatus 500 includes:
- the determining unit 510 is configured to determine a first transmission state, where the first transmission state is a transmission state of the sending end device during the second time period, and is configured to determine, according to the preset first mapping relationship information, the first transmission state Corresponding first modulation parameter set, wherein the first mapping relationship information is used to indicate a one-to-one mapping relationship between the N transmission states and the N modulation parameter sets, where the first modulation parameter set belongs to the N modulation parameters
- the set, the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of the following: a constellation point set and a codebook, N ⁇ 2;
- the sending unit 520 is configured to perform modulation processing according to the first modulation parameter set to generate a first symbol sequence, and transmit the first symbol sequence to the receiving end device in a first time period, where the second time period is in the first After a period of time.
- the determining unit is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where the second mapping relationship information is used to refer to a one-to-one mapping relationship between the N transmission states and the N transmission parameter sets, the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following transmission parameters: frame structure, retransmission Strategy, code modulation scheme.
- the sending unit is further configured to, according to the second transmission parameter set, transmit the second symbol sequence to the receiving end device during the second time period.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set, where the second modulation parameter set corresponds to a second transmission state, where the second transmission state is a transmission state during a third time period, the third time period being after the second time period.
- the sending unit is specifically configured to: when determining that no information transmission occurs between the sending end device and the receiving end device within a first preset duration range before the first time period, according to the preset first And transmitting, by the receiving device, the first symbol sequence, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the N transmission states include at least one of the following states:
- the N transmission states include a packet transmission state
- a transmission parameter set corresponding to the packet transmission state in a transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state in a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- a transmission parameter set corresponding to the normal transmission state in a transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity check code or a turbo code.
- the modulation parameter set includes a codebook, where the codebook is a set of codewords, and the codeword is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the device is a sender device, and the sender device is a terminal device.
- the apparatus 500 for transmitting information may correspond to a transmitting end device (for example, UE #1) in the method of the embodiment of the present invention, and each unit in the apparatus 500 for transmitting information, that is, a module and the other operations described above For the sake of brevity, the detailed description of the method 300 in FIG. 4 is omitted.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set modulates the data that needs to be sent to the receiving end device, and sends the generated symbol to the receiving end device, so that the receiving end device can determine the modulation parameter used by the transmitting end device according to the received symbol.
- the set may determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device may select the air interface transmission corresponding to the transmission state in the second time period.
- the technology can reduce the interaction process and system resource overhead to complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the overhead of communication resources.
- FIG. 7 shows a schematic block diagram of an apparatus 600 for transmitting information in accordance with an embodiment of the present invention.
- the device 600 includes:
- processor 620 connected to the bus
- the processor by using the bus, invoking a program stored in the memory, for controlling the receiver to receive the first symbol sequence sent by the sending end device in the first time period;
- a first modulation parameter set where the first modulation parameter set is used when the transmitting end device performs a modulation process for generating the first symbol sequence.
- a set of modulation parameters comprising at least one of: a constellation point set and a codebook;
- the first mapping relationship information And determining, according to the preset first mapping relationship information, a first transmission state corresponding to the first modulation parameter set, as a transmission state of the sending end device during the second time period, where the first mapping relationship information And indicating a one-to-one mapping relationship between the N transmission states and the N modulation parameter sets, where the first modulation parameter set belongs to the N modulation parameter sets, and the first transmission state belongs to the N transmission states, and the second The time period is after the first time period, N ⁇ 2.
- the processor is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where the second mapping relationship information is used to indicate N transmissions. a one-to-one mapping relationship between the state and the N sets of transmission parameters, the second set of transmission parameters belonging to the N sets of transmission parameters, each transmission parameter set comprising at least one of the following transmission parameters: frame structure, retransmission strategy, code modulation Program.
- the processor is further configured to, according to the second transmission parameter set, control the receiver to receive the second symbol sequence transmitted by the sending end device according to the second transmission parameter set.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set, where the second modulation parameter set corresponds to a second transmission state, where the second transmission state is a transmission state during a third time period, the third time period being after the second time period.
- the processor is specifically configured to: when determining that no information transmission occurs between the sending end device and the receiving end device within a first preset duration range before the first time period, in the first time period, according to The preset first transmission parameter set controls the receiver to receive the first symbol sequence sent by the sending end device, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the processor is specifically configured to intercept a sub-symbol sequence from the first symbol sequence, where the sub-symbol sequence includes at least two symbols;
- the sub-symbol sequence is the first K symbols in the first symbol sequence, and K is a preset value, K ⁇ 2; or
- the sub-symbol sequence includes symbols received in the first symbol sequence when the channel quality between the receiving end device and the network device meets a preset condition.
- the N transmission states include at least one of the following states:
- the N transmission states include a packet transmission state
- a transmission parameter set corresponding to the packet transmission state in a transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state in a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- a transmission parameter set corresponding to the normal transmission state in a transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity check code or a turbo code.
- Embodiments of the present invention are applicable to various communication devices.
- the receiver of device 600 can include a receiving circuit, a power controller, a decoder, and an antenna, and device 600 can also include a transmitter, which can include a transmitting circuit, a power controller, an encoder, and an antenna.
- the modulation parameter set includes a codebook, where the codebook is a set of codewords, and the codeword is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the device is a receiving device, and the receiving device is a network device.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include non-volatile line random access memory (NVRAM).
- the device 600 may be embedded or may itself be a wireless communication device such as a mobile phone or a network device such as a base station, and may also include a carrier that houses the transmitting circuit and the receiving circuit to allow the device 600 and the remote location to be performed. Data transmission And receiving.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 600 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are labeled as bus 610 in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor 620 may be a central processing unit (“CPU"), and the processor 620 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory 620 can include read only memory and random access memory and provides instructions and data to the processor 610. A portion of the memory 620 can also include a non-volatile random access memory. For example, the memory 620 can also store information of the device type.
- the bus system 630 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 630 in the figure.
- each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 610 or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory 620, and the processor 610 reads the information in the memory 620 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
- the device 600 for transmitting information may correspond to a receiving end device (for example, a base station) in the method of the embodiment of the present invention, and each unit in the device 600 transmitting the information, that is, the module and the other operations described above and/or Or function to implement the corresponding process of the method 200 in FIG. 2, respectively.
- a receiving end device for example, a base station
- each unit in the device 600 transmitting the information that is, the module and the other operations described above and/or Or function to implement the corresponding process of the method 200 in FIG. 2, respectively.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set modulates the data that needs to be sent to the receiving end device, and sends the generated symbol to the receiving end device, so that the receiving end device can determine the modulation parameter used by the transmitting end device according to the received symbol.
- the set may determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device may select the air interface transmission corresponding to the transmission state in the second time period.
- the technology can reduce the interaction process and system resource overhead to complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the overhead of communication resources.
- FIG. 8 shows a schematic block diagram of an apparatus 700 for transmitting information in accordance with an embodiment of the present invention.
- the device 700 includes:
- processor 720 connected to the bus
- the processor by using the bus, invoking a program stored in the memory, for determining a first transmission state, where the first transmission state is a transmission state of the transmitting device during a second time period;
- the first mapping relationship information is used to indicate N transmission states and N modulation parameter sets.
- a first one-to-one mapping relationship the first modulation parameter set belongs to the N modulation parameter sets, the first transmission state belongs to the N transmission states, and the modulation parameter set includes at least one of: a constellation point set and a codebook, N ⁇ 2;
- the processor is further configured to determine, according to the preset second mapping relationship information, a second transmission parameter set corresponding to the first transmission state, where the second mapping relationship information is used to indicate N transmissions. a one-to-one mapping relationship between the state and the N sets of transmission parameters, the second transmission parameter set belongs to the N transmission parameter sets, and each transmission parameter set includes at least one of the following transmission parameters Number: frame structure, retransmission strategy, code modulation scheme.
- the processor is further configured to, according to the second transmission parameter set, control the transmitter to transmit the second symbol sequence to the receiving end device according to the second transmission parameter set.
- the second symbol sequence is a symbol generated by a modulation process based on a second modulation parameter set, where the second modulation parameter set corresponds to a second transmission state, where the second transmission state is a transmission state during a third time period, the third time period being after the second time period.
- the processor is specifically configured to: when it is determined that the information transmission between the sending end device and the receiving end device does not occur within a first preset duration before the first time period, according to the preset first Transmitting a parameter set, and controlling the transmitter to transmit the first symbol sequence to the receiving end device, where the first transmission parameter set includes at least one of the following transmission parameters: a frame structure, a retransmission policy, and a coded modulation scheme.
- the N transmission states include at least one of the following states:
- the N transmission states include a packet transmission state
- a transmission parameter set corresponding to the packet transmission state in a transmission parameter set corresponding to the packet transmission state
- the frame structure is a frame structure with a frame length of less than 1 ms;
- the retransmission policy is fast retransmission
- the coded modulation scheme is a multi-element low density parity check code or a polarization code.
- the N transmission states include a large throughput transmission state
- a transmission parameter set corresponding to the large throughput transmission state in a transmission parameter set corresponding to the large throughput transmission state
- the frame structure is a frame structure with a frame length greater than 1 ms
- the retransmission policy is a rateless transmission
- the coded modulation scheme is a low density parity check code.
- the N transmission states include a normal transmission state
- a transmission parameter set corresponding to the normal transmission state in a transmission parameter set corresponding to the normal transmission state
- the frame structure is a frame structure having a frame length equal to 1 ms;
- the retransmission policy is a standard retransmission
- the coded modulation scheme is a low density parity Code or Turbo code.
- the modulation parameter set includes a codebook, where the codebook is a set of codewords, and the codeword is used to indicate a mapping relationship between information bits and modulation symbols.
- the codeword is a sparse code division multiple access SCMA codeword
- the codebook is an SCMA codebook
- the device is a sender device, and the sender device is a terminal device.
- the transmitter of device 700 can include a transmit circuit, a power controller, an encoder, and an antenna.
- Apparatus 700 can also include a receiver, which can include a receiving circuit, a power controller, a decoder, and an antenna.
- the processor can also be referred to as a CPU.
- the memory can include read only memory and random access memory and provides instructions and data to the processor.
- a portion of the memory may also include non-volatile line random access memory (NVRAM).
- the device 700 may embed or itself be a wireless communication device such as a mobile phone or a network device such as a base station, and may also include a carrier that houses the transmitting circuit and the receiving circuit to allow the device 700 and the remote location to be performed. Data transmission and reception.
- the transmit and receive circuits can be coupled to the antenna.
- the various components of device 700 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- various buses are labeled as bus 710 in the figure.
- the decoder in a specific different product may be integrated with the processing unit.
- the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
- the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the processor 720 may be a central processing unit (“CPU"), and the processor 720 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory 720 can include read only memory and random access memory and provides instructions and data to the processor 710. A portion of the memory 720 can also include a non-volatile random access memory. For example, the memory 720 can also store information of the device type.
- the bus system 730 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 730 in the figure.
- each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 710 or an instruction in a form of software.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in memory 720, and processor 710 reads the information in memory 720 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.
- the device 700 for transmitting information may correspond to a transmitting device (for example, UE #1) in the method of the embodiment of the present invention, and each unit in the device 700 transmitting information and the other operations described above
- a transmitting device for example, UE #1
- each unit in the device 700 transmitting information and the other operations described above
- the detailed description of the method 300 in FIG. 4 is omitted.
- a transmitting end device may determine a modulation parameter set corresponding to a transmission state of the transmitting end device in a second time period, and based on the first time period before the second time period, The modulation parameter set modulates the data that needs to be sent to the receiving end device, and sends the generated symbol to the receiving end device, so that the receiving end device can determine the modulation parameter used by the transmitting end device according to the received symbol.
- the set may determine the transmission state of the transmitting end device corresponding to the modulation parameter set in the second time period, and therefore, the transmitting end device and the receiving end device may select the air interface transmission corresponding to the transmission state in the second time period.
- Technology which reduces the interaction process and system resource overhead, can complete the notification of the transmission status, thereby simplifying the interaction between the sender device and the receiver device, and reducing the overhead of communication resources.
- the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
- the implementation process constitutes any limitation.
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
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Abstract
Description
传输状态 | 星座点集合 |
小包传输状态 | S1 |
普通传输状态 | S2 |
大吞吐量传输状态 | S3 |
Claims (76)
- 一种确定传输状态的方法,其特征在于,所述方法包括:接收端设备在第一时段,接收发送端设备发送的第一符号序列;根据所述第一符号序列,确定第一调制参量集合,其中,所述第一调制参量集合是所述发送端设备进行用于生成所述第一符号序列的调制处理时使用的调制参量集合,所述调制参量集合包括以下至少一个:星座点集合和码本;根据预设的第一映射关系信息,确定与所述第一调制参量集合相对应的第一传输状态,作为所述发送端设备在第二时段期间的传输状态,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,所述第二时段处于所述第一时段之后,N≥2。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求2所述的方法,其特征在于,所述方法还包括:在所述第二时段,根据所述第二传输参数集合,接收所述发送端设备传输第二符号序列。
- 根据权利要求3所述的方法,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述接收端设备在第一时段,接收发送端设备发送的第一符号序列,包括:当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,接收端设备在第一时段,根据预设的第一传输参数集合,接收发送端设备发送的第一符号序列,所述第一传 输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求1至5中任一项所述的方法,其特征在于,所述根据所述第一符号序列,确定第一调制参量集合,包括:从所述第一符号序列中截取子符号序列,所述子符号序列包括至少两个符号;根据所述子符号序列,确定第一调制参量集合。
- 根据权利要求6所述的方法,其特征在于,所述子符号序列是所述第一符号序列中的前K个符号,K为预设值,K≥2;或所述子符号序列包括所述第一符号序列中在所述接收端设备与所述网络设备之间的信道质量满足预设条件时接收到的符号。
- 根据权利要求1至7中任一项所述的方法,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求2至8中任一项所述的方法,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求2至9中任一项所述的方法,其特征在于,当所述N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求2至10中任一项所述的方法,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数 集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求1至11中任一项所述的方法,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求12所述的方法,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 一种传输信息的方法,其特征在于,所述方法包括:确定第一传输状态,所述第一传输状态是所述发送端设备在第二时段期间的传输状态;根据预设的第一映射关系信息,确定与所述第一传输状态相对应的第一调制参量集合,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,N≥2,所述调制参量集合包括以下至少一个:星座点集合和码本;根据所述第一调制参量集合进行调制处理,以生成第一符号序列,并在第一时段,向接收端设备传输所述第一符号序列,其中,所述第二时段处于所述第一时段之后。
- 根据权利要求14所述的方法,其特征在于,所述方法还包括:根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求15所述的方法,其特征在于,所述方法还包括:在所述第二时段,根据所述第二传输参数集合,向所述接收端设备传输第二符号序列。
- 根据权利要求16所述的方法,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求14至17中任一项所述的方法,其特征在于,所述在第一时段,向接收端设备传输所述第一符号序列,包括:当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,根据预设的第一传输参数集合,向接收端设备传输所述第一符号序列,所述第一传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求14至18中任一项所述的方法,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求15至19中任一项所述的方法,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求15至20中任一项所述的方法,其特征在于,当所述N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求15至21中任一项所述的方法,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数 集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求14至22中任一项所述的方法,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求23所述的方法,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 一种确定传输状态的装置,其特征在于,所述装置包括:接收单元,用于在第一时段,接收发送端设备发送的第一符号序列;确定单元,用于根据所述第一符号序列,确定第一调制参量集合,其中,所述第一调制参量集合是所述发送端设备进行用于生成所述第一符号序列的调制处理时使用的调制参量集合,所述调制参量集合包括以下至少一个:星座点集合和码本,并用于根据预设的第一映射关系信息,确定与所述第一调制参量集合相对应的第一传输状态,作为所述发送端设备在第二时段期间的传输状态,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,所述第二时段处于所述第一时段之后,N≥2。
- 根据权利要求25所述的装置,其特征在于,所述确定单元还用于根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求26所述的装置,其特征在于,所述接收单元还用于在所述第二时段,根据所述第二传输参数集合,接收所述发送端设备传输第二符号序列。
- 根据权利要求27所述的装置,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求25至28中任一项所述的装置,其特征在于,所述接收单元具体用于当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,接收端设备在第一时段,根据预设的第一传输参数集合,接收发送端设备发送的第一符号序列,所述第一传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求25至29中任一项所述的装置,其特征在于,所述确定单元具体用于从所述第一符号序列中截取子符号序列,所述子符号序列包括至少两个符号;用于根据所述子符号序列,确定第一调制参量集合。
- 根据权利要求30所述的装置,其特征在于,所述子符号序列是所述第一符号序列中的前K个符号,K为预设值,K≥2;或所述子符号序列包括所述第一符号序列中在所述接收端设备与所述网络设备之间的信道质量满足预设条件时接收到的符号。
- 根据权利要求25至31中任一项所述的装置,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求26至32中任一项所述的装置,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求26至33中任一项所述的装置,其特征在于,当所述N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的 传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求26至34中任一项所述的装置,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求25至35中任一项所述的装置,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求36所述的装置,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 根据权利要求25至37中任一项所述的装置,其特征在于,所述装置为接收端设备,所述接收端设备为网络设备。
- 一种传输信息的装置,其特征在于,所述装置包括:确定单元,用于确定第一传输状态,所述第一传输状态是所述发送端设备在第二时段期间的传输状态,用于根据预设的第一映射关系信息,确定与所述第一传输状态相对应的第一调制参量集合,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,N≥2,所述调制参量集合包括以下至少一个:星座点集合和码本;发送单元,用于根据所述第一调制参量集合进行调制处理,以生成第一符号序列,并在第一时段,向接收端设备传输所述第一符号序列,其中,所 述第二时段处于所述第一时段之后。
- 根据权利要求39所述的装置,其特征在于,所述确定单元还用于根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求40所述的装置,其特征在于,所述发送单元还用于在所述第二时段,根据所述第二传输参数集合,向所述接收端设备传输第二符号序列。
- 根据权利要求41所述的装置,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求39至42中任一项所述的装置,其特征在于,所述发送单元具体用于当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,根据预设的第一传输参数集合,向接收端设备传输所述第一符号序列,所述第一传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求39至43中任一项所述的装置,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求40至44中任一项所述的装置,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求40至45中任一项所述的装置,其特征在于,当所述 N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求40至46中任一项所述的装置,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求25至47中任一项所述的装置,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求48所述的装置,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 根据权利要求25至49中任一项所述的装置,其特征在于,所述装置为发送端设备,所述发送端设备为终端设备。
- 一种确定传输状态的设备,其特征在于,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的接收机;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于在第一时段,控制所述接收机接收发送端设备发送的第一符号序列;用于根据所述第一符号序列,确定第一调制参量集合,其中,所述第一调制参量集合是所述发送端设备进行用于生成所述第一符号序列的调制处 理时使用的调制参量集合,所述调制参量集合包括以下至少一个:星座点集合和码本;用于根据预设的第一映射关系信息,确定与所述第一调制参量集合相对应的第一传输状态,作为所述发送端设备在第二时段期间的传输状态,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,所述第二时段处于所述第一时段之后,N≥2。
- 根据权利要求51所述的设备,其特征在于,所述处理器还用于根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求52所述的设备,其特征在于,所述处理器还用于在所述第二时段,根据所述第二传输参数集合,控制所述接收机接收所述发送端设备传输第二符号序列。
- 根据权利要求53所述的设备,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求51至54中任一项所述的设备,其特征在于,所述处理器具体用于当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,在第一时段,根据预设的第一传输参数集合,控制所述接收机接收发送端设备发送的第一符号序列,所述第一传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求51至55中任一项所述的设备,其特征在于,所述处理器具体用于从所述第一符号序列中截取子符号序列,所述子符号序列包括至少两个符号;用于根据所述子符号序列,确定第一调制参量集合。
- 根据权利要求56所述的设备,其特征在于,所述子符号序列是所述第一符号序列中的前K个符号,K为预设值,K≥2;或所述子符号序列包括所述第一符号序列中在所述接收端设备与所述网络设备之间的信道质量满足预设条件时接收到的符号。
- 根据权利要求51至57中任一项所述的设备,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求52至58中任一项所述的设备,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求52至59中任一项所述的设备,其特征在于,当所述N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求52至60中任一项所述的设备,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求51至61中任一项所述的设备,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求62所述的设备,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 根据权利要求51至63中任一项所述的设备,其特征在于,所述设备为接收端设备,所述接收端设备为网络设备。
- 一种传输信息的设备,其特征在于,所述设备包括:总线;与所述总线相连的处理器;与所述总线相连的存储器;与所述总线相连的发射机;其中,所述处理器通过所述总线,调用所述存储器中存储的程序,以用于确定第一传输状态,所述第一传输状态是所述发送端设备在第二时段期间的传输状态;用于根据预设的第一映射关系信息,确定与所述第一传输状态相对应的第一调制参量集合,其中,所述第一映射关系信息用于指示N个传输状态与N个调制参量集合之间的一一映射关系,所述第一调制参量集合属于所述N个调制参量集合,所述第一传输状态属于所述N个传输状态,所述调制参量集合包括以下至少一个:星座点集合和码本,N≥2;用于根据所述第一调制参量集合进行调制处理,以生成第一符号序列,并在第一时段,控制所述发射机向接收端设备传输所述第一符号序列,其中,所述第二时段处于所述第一时段之后。
- 根据权利要求65所述的设备,其特征在于,所述处理器还用于根据预设的第二映射关系信息,确定与所述第一传输状态相对应的第二传输参数集合,其中,所述第二映射关系信息用于指示N个传输状态与N个传输参数集合之间的一一映射关系,所述第二传输参数集合属于所述N个传输参数集合,每个传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求66所述的设备,其特征在于,所述处理器还用于在所述第二时段,根据所述第二传输参数集合,控制所述发射机向所述接收端 设备传输第二符号序列。
- 根据权利要求67所述的设备,其特征在于,所述第二符号序列是经过基于第二调制参量集合的调制处理而生成的符号,所述第二调制参量集合与第二传输状态相对应,所述第二传输状态是所述发送端设备在第三时段期间的传输状态,所述第三时段处于所述第二时段之后。
- 根据权利要求65至68中任一项所述的设备,其特征在于,所述处理器具体用于当确定所述发送端设备与所接收端设备之间在处于所述第一时段之前的第一预设时长范围内未发生信息传输时,根据预设的第一传输参数集合,控制所述发射机向接收端设备传输所述第一符号序列,所述第一传输参数集合包括以下至少一个传输参数:帧结构、重传策略、编码调制方案。
- 根据权利要求65至69中任一项所述的设备,其特征在于,所述N个传输状态包括以下状态中的至少一个状态:小包传输状态、普通传输状态及大吞吐量传输状态。
- 根据权利要求66至70中任一项所述的设备,其特征在于,当所述N个传输状态包括小包传输状态时,在所述小包传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长小于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为快速重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为多元低密度奇偶校验码或极化码。
- 根据权利要求66至71中任一项所述的设备,其特征在于,当所述N个传输状态包括大吞吐量传输状态时,在所述大吞吐量传输状态所对应的传输参数集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长大于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为无速率传输;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码。
- 根据权利要求66至72中任一项所述的设备,其特征在于,当所述N个传输状态包括普通传输状态时,在所述普通传输状态所对应的传输参数 集合中,如果所述传输参数包括帧结构,则所述帧结构为帧长等于1ms的帧结构;如果所述传输参数包括重传策略,则所述重传策略为标准重传;如果所述传输参数包括编码调制方案,则所述编码调制方案为低密度奇偶校验码或Turbo码。
- 根据权利要求65至73中任一项所述的设备,其特征在于,所述调制参量集合包括码本,所述码本为码字的集合,所述码字用于指示信息比特与调制符号之间的映射关系。
- 根据权利要求74所述的设备,其特征在于,所述码字为稀疏码分多址SCMA码字,所述码本为SCMA码本。
- 根据权利要求51至75中任一项所述的设备,其特征在于,所述设备为发送端设备,所述发送端设备为终端设备。
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CN106922213B (zh) | 2020-06-16 |
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