CN112491494A - Code determination method, device, equipment and storage medium - Google Patents

Code determination method, device, equipment and storage medium Download PDF

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Publication number
CN112491494A
CN112491494A CN201910860309.0A CN201910860309A CN112491494A CN 112491494 A CN112491494 A CN 112491494A CN 201910860309 A CN201910860309 A CN 201910860309A CN 112491494 A CN112491494 A CN 112491494A
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transmitted
ovxdm
data packet
scheme
determining
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CN112491494B (en
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金婧
王启星
刘光毅
夏亮
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2408—Traffic characterised by specific attributes, e.g. priority or QoS for supporting different services, e.g. a differentiated services [DiffServ] type of service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/29—Flow control; Congestion control using a combination of thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/38—Flow control; Congestion control by adapting coding or compression rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]

Abstract

The invention discloses a code determining method, a device, equipment and a storage medium. The method comprises the following steps: judging whether an overlapping multiplexing (OVXDM) scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type; or, judging whether to adopt OVXDM scheme according to the channel related parameters.

Description

Code determination method, device, equipment and storage medium
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, a device, and a storage medium for determining a code.
Background
In a digital communication system, in order to improve frequency efficiency, data to be transmitted may be encoded using an overlapping X Division Multiplexing (OVXDM) technique. OVXDM is a novel coding technology which forms high spectral efficiency, no coding residue and high coding gain by shifting and overlapping data weighting multiplexing waveforms in an X domain; the X domain includes a time domain, a frequency domain, a mixed domain, or the like. For example, OVTDM may be formed by implementing shift overlap in the time domain; shift superposition is realized in the frequency domain, and OVFDM can be formed; and realizing shift overlapping in a mixed domain, and forming OVHDM.
In practical application, the sending end device may use a waveform convolution coding model to implement OVXDM, assuming that the overlap multiple is K, that is, there are K shift registers, and when the sending data does not pass through all K shift registers, the receiving end may cause misjudgment. In order to avoid this situation, bit filling may be performed on data to be transmitted, but a certain resource waste may be caused, and the resource utilization rate is reduced. In addition, when the signal-to-noise ratio is low, compared with the conventional modulation coding technique, the advantage of the frequency spectrum efficiency of the OVXDM technique is not only insignificant, but also the decoding complexity of the receiving end device is greatly improved.
Based on this, how to select OVXDM in data transmission becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
In view of this, embodiments of the present invention are intended to provide a method, an apparatus, a device, and a storage medium for determining an encoding.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a code determining method, which is applied to sending end equipment and comprises the following steps:
judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type;
and/or the presence of a gas in the gas,
and judging whether an OVXDM scheme is adopted or not according to the channel related parameters.
In the above scheme, before determining whether to use the OVXDM scheme, the method further includes:
acquiring the attribute of a data packet to be transmitted;
and/or the presence of a gas in the gas,
channel related parameters are obtained.
In the above scheme, the determining whether to use the OVXDM scheme according to the attribute of the data packet to be transmitted includes:
judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme;
and/or the presence of a gas in the gas,
judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
In the above scheme, the determining whether to use the OVXDM scheme according to the channel-related parameter includes:
judging whether the obtained channel related parameter value is larger than a second preset threshold value or not;
and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
In the foregoing scheme, the acquiring the channel related parameter includes:
acquiring the channel related parameters from receiving end equipment;
alternatively, the first and second electrodes may be,
and determining the relevant parameters of the channels by utilizing reciprocity of the uplink and downlink channels.
The embodiment of the invention provides a code determining device, which is applied to sending end equipment, and comprises the following components:
the first determining unit is used for judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type;
and/or the presence of a gas in the gas,
and a second determining unit, configured to determine whether to use an OVXDM scheme according to the channel-related parameter.
In the above scheme, the apparatus further comprises:
the first acquisition unit is used for acquiring the attribute of the data packet to be transmitted;
and/or the presence of a gas in the gas,
and the second acquisition unit is used for acquiring the channel related parameters.
In the foregoing solution, the first determining unit is specifically configured to: judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme; and/or judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
In the foregoing solution, the second determining unit is specifically configured to: judging whether the channel related parameter value is larger than a second preset threshold value or not; and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
In the foregoing solution, the second obtaining unit is specifically configured to: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
An embodiment of the present invention provides a sending end device, where the sending end device includes:
the processor is used for judging whether an overlapping multiplexing OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type; and/or judging whether an OVXDM scheme is adopted or not according to the channel related parameters.
In the foregoing solution, the processor is specifically configured to: judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme; and/or judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
In the foregoing solution, the processor is specifically configured to: judging whether the channel related parameter value is larger than a second preset threshold value or not; and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
In the foregoing solution, the sending-end device further includes: a communication interface, configured to obtain the channel-related parameter from a receiving end device; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
An embodiment of the present invention provides a sending-end device, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of any of the above methods when running the computer program.
An embodiment of the invention provides a storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any of the methods described above.
According to the method, the device, the equipment and the storage medium for determining the codes, which are provided by the embodiment of the invention, whether an OVXDM scheme is adopted or not is judged according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type; and/or judging whether an OVXDM scheme is adopted or not according to the channel related parameters. By adopting the technical scheme of the embodiment of the invention, whether the OVXDM scheme is adopted or not can be judged according to the attribute of the data packet to be transmitted, and/or whether the OVXDM scheme is adopted or not can be judged according to the related parameters of the channel, so that the resource waste can be avoided, the resource utilization rate can be improved, and the decoding complexity of a receiving end can be reduced.
Drawings
Fig. 1 is a schematic diagram of an implementation of OVTDM in the related art;
FIG. 2 is a schematic diagram of an implementation of OVXDM using a waveform convolutional coding model in the related art;
fig. 3 is a graph illustrating spectral efficiency of OVXDM in the related art;
fig. 4 is a first schematic flow chart illustrating an implementation of the encoding determination method according to the embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating an implementation of the encoding determination method according to the embodiment of the present invention;
fig. 6 is a schematic flow chart illustrating an implementation of the encoding determination method according to the embodiment of the present invention;
FIG. 7 is a first schematic diagram illustrating a first exemplary configuration of an encoding apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a second exemplary embodiment of a code determination apparatus;
FIG. 9 is a third schematic diagram illustrating a structure of an encoding apparatus according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a transmitting end device according to an embodiment of the present invention.
Detailed Description
In the related art, in a digital communication system, in order to improve frequency efficiency, data to be transmitted may be encoded using an overlap multiplexing OVXDM technique. OVXDM is a novel coding technology which forms high spectral efficiency, no coding residue and high coding gain by shifting and overlapping data weighting multiplexing waveforms in an X domain; the X domain includes a time domain, a frequency domain, a mixed domain, or the like. For example, implementing shift overlap in the time domain, OVTDM may be formed, as shown in fig. 1; shift superposition is realized in the frequency domain, and OVFDM can be formed; and realizing shift overlapping in a mixed domain, and forming OVHDM. In practical application, as shown in fig. 2, OVXDM may be implemented by using a waveform convolution coding model, and the sending end device may use the following formula:
Figure BDA0002199546290000051
calculating a complex envelope waveform of a transmitted signal
Figure BDA0002199546290000052
Wherein the content of the first and second substances,
Figure BDA0002199546290000053
the envelope waveform obtained by shifting the initial envelope waveform in the time domain at preset intervals is represented. If the overlap number is K, that is, there are K shift registers, when the sending data does not pass through all K shift registers, in order to avoid the occurrence of misjudgment situation when the receiving end decodes the data, bit filling may be performed on the data to be transmitted, but a certain resource waste may be caused, and the resource utilization rate is reduced. In addition, as shown in fig. 3, when the signal-to-noise ratio is low, compared with the conventional modulation coding technique, the advantage of the spectral efficiency of the OVXDM technique is not obvious, but the decoding complexity of the receiving end is greatly improved; when the signal-to-noise ratio is high, the advantage of the spectral efficiency of the OVXDM technique is obvious compared to the conventional modulation coding technique.
How to select the OVXDM during data transmission in the above manner becomes a technical problem which needs to be solved urgently.
Based on the above, in the embodiment of the present invention, whether an OVXDM scheme is adopted is determined according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type; and/or judging whether an OVXDM scheme is adopted or not according to the channel related parameters.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
An embodiment of the present invention provides a method for determining a code, which is applied to a sending end device, and as shown in fig. 4, the method includes:
step 401: acquiring the attribute of a data packet to be transmitted; the attributes include at least one of: size, type.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the data packet to be transmitted may refer to a data packet to be sent to the terminal by the base station. When the sending end device is a terminal, the receiving end device may be a base station, and the data packet to be transmitted may refer to a data packet to be transmitted from the terminal to the base station.
Here, the type of the data packet to be transmitted may include one of:
a File Transfer Protocol (FTP) type;
a streaming media type;
a web browsing service type;
the type of communication traffic.
The type of the data packet to be transmitted, such as an FTP type, may be determined according to a transmission protocol of the data packet; determining the type of the data packet to be transmitted, such as the type of streaming media, according to the processing mode of the data packet; the type of the data packet to be transmitted, such as a web browsing service type and a communication service type, may be determined according to the service to which the data packet belongs.
Step 402: and judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted.
In practical application, it is assumed that a binary system is used to represent a data packet to be transmitted, and if the number of binary bits is small, the ratio of bits filled for avoiding decoding misjudgment is large, and system signaling efficiency is reduced, at this time, the advantage of OVXDM in improving spectral efficiency is not obvious, and decoding complexity of a receiving end can be increased. Therefore, when the data packet to be transmitted is small, the OVXDM scheme is not adopted; and when the data packet to be transmitted is large, adopting an OVXDM scheme.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the attribute of the data packet to be transmitted includes: and judging whether an OVXDM scheme is adopted or not according to the size of the data packet to be transmitted.
Here, the determining whether to use an OVXDM scheme according to the size of the data packet to be transmitted includes: judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme; and when the size of the data packet to be transmitted is determined to be smaller than or equal to a first preset threshold value, determining to adopt a traditional modulation coding scheme.
Here, the legacy modulation coding scheme may include at least one of:
quadrature Amplitude Modulation (QAM);
phase Shift Keying (PSK);
parallel concatenated convolutional codes (Turbo);
low density check codes (LDPC).
The first preset threshold value may be set according to an actual situation.
In actual application, whether an OVXDM scheme is adopted can be determined according to the type of the data packet to be transmitted.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the attribute of the data packet to be transmitted includes: judging whether an OVXDM scheme is adopted or not according to the type of the data packet to be transmitted;
specifically, judging whether the type of the data packet to be transmitted is matched with a preset type; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme. And when the type of the data packet to be transmitted is determined not to be matched with the preset type, determining to adopt a traditional modulation coding scheme.
Here, when it is determined that the OVXDM scheme is employed, the type of the data package to be transmitted may be one of: FTP type, streaming media type, and web browsing service type; when the traditional modulation coding scheme is determined to be adopted, the type of the data packet to be transmitted can be a communication service type.
Here, the legacy modulation coding scheme may include one of: quadrature Amplitude Modulation (QAM); phase Shift Keying (PSK).
In actual application, whether an OVXDM scheme is adopted can be determined according to the size and type of the data packet to be transmitted.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the attribute of the data packet to be transmitted includes: and judging whether an OVXDM scheme is adopted or not according to the size and the type of the data packet to be transmitted.
Here, when it is determined that the size of the data packet to be transmitted is greater than a first preset threshold and the type is matched with a preset type, determining to adopt an OVXDM scheme; and when the size of the data packet to be transmitted is determined to be smaller than or equal to a first preset threshold and the type of the data packet to be transmitted is not matched with a preset type, determining to adopt a traditional modulation coding scheme.
By adopting the technical scheme of the embodiment of the invention, when the attribute of the data packet to be transmitted meets the preset condition, the OVXDM scheme is determined to be adopted, so that the data to be transmitted does not need to be subjected to bit filling, the resource waste can be further avoided, and the resource utilization rate is improved.
An embodiment of the present invention provides a method for determining a code, which is applied to a sending end device, and as shown in fig. 5, the method includes:
step 501: channel related parameters are obtained.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the channel related parameter may refer to a downlink channel related parameter. When the sending end device is a terminal, the receiving end device may be a base station, and the channel related parameter may refer to an uplink channel related parameter.
Here, the channel-related parameter may include one of:
a channel bandwidth;
channel quality;
channel correlation;
the channel rank.
Wherein, the channel correlation may refer to a spatial correlation measured in any direction of a channel; the channel rank may characterize the capacity of the channel.
Here, the channel quality may be characterized by one of the following parameters:
signal to Interference plus Noise Ratio (SINR);
a Channel Quality Indicator (CQI);
reference Signal Received Power (RSRP);
reference Signal Receiving Quality (RSRQ)
In actual application, the sending end device may obtain the channel related parameters from a receiving end device; or, the channel related parameters are obtained by utilizing reciprocity of the uplink and downlink channels.
Based on this, in an embodiment, the acquiring the channel-related parameter includes: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
Here, for the downlink, when the sending end device is a base station and the receiving end device is a terminal, the base station may receive a related parameter of a downlink channel reported by the terminal; or, the correlation parameters of the downlink channel are obtained through the correlation parameters of the uplink channel by utilizing the reciprocity of the uplink channel and the downlink channel. For an uplink, when a sending end device is a terminal and a receiving end device is a base station, the terminal can obtain related parameters of an uplink channel indicated by the base station; or, the correlation parameters of the uplink channel are obtained through the correlation parameters of the downlink channel by utilizing the reciprocity of the uplink channel and the downlink channel.
Step 502: and judging whether an OVXDM scheme is adopted or not according to the acquired channel related parameters.
In practical application, if the OVXDM scheme is used to encode data to be transmitted when the channel related parameter value is low, the decoding complexity of the receiving end device may be greatly increased, and therefore, when the channel related parameter value is low, the OVXDM scheme is not used; when the channel-related parameter value is high, the OVXDM scheme is adopted.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the obtained channel related parameter includes: judging whether the obtained channel related parameter value is larger than a second preset threshold value or not; and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
Here, when it is determined that the channel-related parameter value is less than or equal to a second preset threshold value, it is determined that the OVXDM scheme is not employed but a conventional modulation coding scheme is employed.
Here, the legacy modulation coding scheme may include at least one of:
quadrature Amplitude Modulation (QAM);
phase Shift Keying (PSK);
parallel concatenated convolutional codes (Turbo);
low density check codes (LDPC).
Here, a second preset threshold value different from the four threshold values may be set for the four parameters of the channel.
For example, when the bandwidth of the channel is greater than threshold 1, determining to adopt OVXDM scheme, otherwise, adopting conventional modulation coding scheme; when the quality of the channel is greater than the threshold 1, determining to adopt an OVXDM scheme, otherwise, adopting a traditional modulation coding scheme; when the rank of the channel is greater than a threshold 3, determining to adopt an OVXDM scheme, otherwise adopting a traditional modulation coding scheme; and when the correlation of the channel is greater than a threshold 4, determining to adopt an OVXDM scheme, otherwise, adopting a traditional modulation coding scheme.
By adopting the technical scheme of the embodiment of the invention, when the channel related parameters meet the preset conditions, the OVXDM scheme is determined to be adopted, so that the advantages of the OVXDM scheme can be exerted, and the decoding complexity of receiving end equipment can be greatly improved.
An embodiment of the present invention provides a method for determining a code, which is applied to a sending end device, and as shown in fig. 6, the method includes:
step 601: acquiring the attribute and channel related parameters of a data packet to be transmitted; the attributes include at least one of: size, type.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the data packet to be transmitted may refer to a data packet to be sent to the terminal by the base station. When the sending end device is a terminal, the receiving end device may be a base station, and the data packet to be transmitted may refer to a data packet to be transmitted from the terminal to the base station.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the channel related parameter may refer to a downlink channel related parameter. When the sending end device is a terminal, the receiving end device may be a base station, and the channel related parameter may refer to an uplink channel related parameter.
Here, the type of the data packet to be transmitted may include one of:
an FTP type;
a streaming media type;
a web browsing service type;
the type of communication traffic.
The type of the data packet to be transmitted, such as an FTP type, may be determined according to a transmission protocol of the data packet; determining the type of the data packet to be transmitted, such as the type of streaming media, according to the processing mode of the data packet; the type of the data packet to be transmitted, such as a web browsing service type and a communication service type, may be determined according to the service to which the data packet belongs.
Here, the channel-related parameter may include one of:
a channel bandwidth;
channel quality;
channel correlation;
the channel rank.
Wherein, the channel correlation may refer to a spatial correlation measured in any direction of a channel; (ii) a The channel rank may characterize the capacity of the channel.
Here, the channel quality may be characterized by one of the following parameters:
signal to Interference plus Noise Ratio (SINR);
a Channel Quality Indicator (CQI);
reference Signal Received Power (RSRP);
reference Signal Receiving Quality (RSRQ)
In actual application, the sending end device may obtain the channel related parameters from a receiving end device; or, the channel related parameters are obtained by utilizing reciprocity of the uplink and downlink channels.
Based on this, in an embodiment, the acquiring the channel-related parameter includes: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
Here, for the downlink, when the sending end device is a base station and the receiving end device is a terminal, the base station may receive a related parameter of a downlink channel reported by the terminal; or, the correlation parameters of the downlink channel are obtained through the correlation parameters of the uplink channel by utilizing the reciprocity of the uplink channel and the downlink channel. For an uplink, when a sending end device is a terminal and a receiving end device is a base station, the terminal can utilize the relevant parameters of an uplink channel indicated by the base station; or, the correlation parameters of the uplink channel are obtained through the correlation parameters of the downlink channel by utilizing the reciprocity of the uplink channel and the downlink channel.
Step 602: and judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted and the channel related parameters.
In practical application, it is assumed that a binary system is used to represent a data packet to be transmitted, and if the number of binary bits is small, the ratio of bits filled for avoiding decoding misjudgment is large, and system signaling efficiency is reduced, at this time, the advantage of OVXDM in improving spectral efficiency is not obvious, and decoding complexity of a receiving end can be increased. Therefore, when the data packet to be transmitted is large and the channel-related parameter value is high, the OVXDM scheme is adopted.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the attribute of the to-be-transmitted data packet and the channel related parameter includes: and judging whether an OVXDM scheme is adopted or not according to the size of the data packet to be transmitted and the channel related parameters.
Specifically, judging whether the size of the data packet to be transmitted is larger than a first preset threshold value, and judging whether the obtained channel related parameter value is larger than a second preset threshold value; when the size of the data packet to be transmitted is larger than a first preset threshold value and the channel related parameter value is larger than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
Here, the legacy modulation coding scheme may include at least one of:
quadrature Amplitude Modulation (QAM);
phase Shift Keying (PSK);
parallel concatenated convolutional codes (Turbo);
low density check codes (LDPC).
The first preset threshold value may be set according to an actual situation.
In practical application, the size of the data packet to be transmitted can be determined according to the type of the data packet to be transmitted, and thus, whether an OVXDM scheme is adopted can be determined according to the type of the data packet to be transmitted and the channel related parameters.
Based on this, in an embodiment, the determining whether to use the OVXDM scheme according to the attribute of the to-be-transmitted data packet and the channel related parameter includes: and judging whether an OVXDM scheme is adopted or not according to the type of the data packet to be transmitted and the channel related parameters.
Specifically, judging whether the type of the data packet to be transmitted is matched with a preset type, and judging whether the obtained channel related parameter value is larger than a second preset threshold value; when the type of the data packet to be transmitted is determined to be matched with a preset type and the channel related parameter value is greater than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
Here, the preset type may include one of: quadrature Amplitude Modulation (QAM); phase Shift Keying (PSK); parallel concatenated convolutional codes (Turbo).
For example, when determining to adopt the OVXDM scheme, the type of the data package to be transmitted may be one of the following: FTP type, streaming media type, and web browsing service type; when the traditional modulation coding scheme is determined to be adopted, the type of the data packet to be transmitted can be a communication service type.
In actual application, whether an OVXDM scheme is adopted can be determined according to the size and type of the data packet to be transmitted.
Based on this, in an embodiment, the determining, according to the attribute of the data packet to be transmitted, whether the obtained channel related parameter value is greater than a second preset threshold, and whether an OVXDM scheme is adopted includes: and judging whether an OVXDM scheme is adopted or not according to the size and the type of the data packet to be transmitted and the related parameters of the channel.
Here, when it is determined that the size of the data packet to be transmitted is larger than a first preset threshold type and is matched with a preset type, and a channel related parameter value is larger than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
By adopting the technical scheme of the embodiment of the invention, when the attribute of the data packet to be transmitted and the channel related parameters meet the preset conditions, the OVXDM scheme is determined to be adopted, so that the data to be transmitted does not need to be subjected to bit filling, the resource waste can be further avoided, and the resource utilization rate is improved. Meanwhile, the method not only can exert the advantages of the OVXDM scheme, but also can reduce the great improvement of the decoding complexity of the receiving end equipment. In addition, the advantages of transmission coding and OVXDM can be combined, and trade-off is carried out between the spectrum efficiency and the decoding complexity of receiving-end equipment.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an encoding determining apparatus, which is disposed on a sending end device, and as shown in fig. 7, the apparatus includes:
a first obtaining unit 71, configured to obtain an attribute of a data packet to be transmitted;
a first determining unit 72, configured to determine whether an overlap multiplexing OVXDM scheme is used according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type;
here, when the sending end device is a base station, the receiving end device may be a terminal, and the data packet to be transmitted may refer to a data packet to be sent to the terminal by the base station. When the sending end device is a terminal, the receiving end device may be a base station, and the data packet to be transmitted may refer to a data packet to be transmitted from the terminal to the base station.
Here, the type of the data packet to be transmitted may include one of:
an FTP type;
a streaming media type;
a web browsing service type;
the type of communication traffic.
The type of the data packet to be transmitted, such as an FTP type, may be determined according to a transmission protocol of the data packet; determining the type of the data packet to be transmitted, such as the type of streaming media, according to the processing mode of the data packet; the type of the data packet to be transmitted, such as a web browsing service type and a communication service type, may be determined according to the service to which the data packet belongs.
In practical application, it is assumed that a binary system is used to represent a data packet to be transmitted, and if the number of binary bits is small, the ratio of bits filled for avoiding decoding misjudgment is large, and system signaling efficiency is reduced, at this time, the advantage of OVXDM in improving spectral efficiency is not obvious, and decoding complexity of a receiving end can be increased. Therefore, when the data packet to be transmitted is small, the OVXDM scheme is not adopted; and when the data packet to be transmitted is large, adopting an OVXDM scheme.
Based on this, in an embodiment, the first determining unit 71 is specifically configured to: judging whether an OVXDM scheme is adopted or not according to the size of the data packet to be transmitted; and/or judging whether an OVXDM scheme is adopted or not according to the type of the data packet to be transmitted.
Specifically, whether the size of the data packet to be transmitted is larger than a first preset threshold value is judged; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme; and when the size of the data packet to be transmitted is determined to be smaller than or equal to a first preset threshold value, determining to adopt a traditional modulation coding scheme.
In actual application, the size of the data package to be transmitted can be determined according to the type of the data package to be transmitted, and thus whether an OVXDM scheme is adopted can be determined according to the type of the data package to be transmitted.
Based on this, in an embodiment, the first determining unit 71 is specifically configured to: judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
Specifically, judging whether the type of the data packet to be transmitted is matched with a preset type; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme. And when the type of the data packet to be transmitted is determined not to be matched with the preset type, determining to adopt a traditional modulation coding scheme.
In actual application, whether an OVXDM scheme is adopted can be determined according to the size and type of the data packet to be transmitted.
Based on this, in an embodiment, the first determining unit 71 is specifically configured to: and judging whether an OVXDM scheme is adopted or not according to the size and the type of the data packet to be transmitted.
Here, when it is determined that the size of the data packet to be transmitted is greater than a first preset threshold and the type is matched with a preset type, determining to adopt an OVXDM scheme; and when the size of the data packet to be transmitted is determined to be smaller than or equal to a first preset threshold and the type of the data packet to be transmitted is not matched with a preset type, determining to adopt a traditional modulation coding scheme.
In practical applications, the first determining unit 72 may be implemented by a processor in the code determining apparatus, and the first obtaining unit 71 may be implemented by a communication interface in the code determining apparatus.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an encoding determining apparatus, which is disposed on a sending end device, and as shown in fig. 8, the apparatus includes:
a second obtaining unit 81, configured to obtain channel related parameters;
a second determining unit 82, configured to determine whether to use an OVXDM scheme according to the obtained channel related parameter.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the channel related parameter may refer to a downlink channel related parameter. When the sending end device is a terminal, the receiving end device may be a base station, and the channel related parameter may refer to an uplink channel related parameter.
Here, the channel-related parameter may include one of:
a channel bandwidth;
channel quality;
channel correlation;
the channel rank.
Wherein, the channel correlation may refer to a spatial correlation measured in any direction of a channel; (ii) a The channel rank may characterize the capacity of the channel.
In actual application, the sending end device may obtain the channel related parameters from a receiving end device; or, the channel related parameters are obtained by utilizing reciprocity of the uplink and downlink channels.
Based on this, in an embodiment, the second obtaining unit 81 is specifically configured to: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
Here, for the downlink, when the sending end device is a base station and the receiving end device is a terminal, the base station may receive a related parameter of a downlink channel reported by the terminal; or, the correlation parameters of the downlink channel are obtained through the correlation parameters of the uplink channel by utilizing the reciprocity of the uplink channel and the downlink channel. For an uplink, when a sending end device is a terminal and a receiving end device is a base station, the terminal can utilize the relevant parameters of an uplink channel indicated by the base station; or, the correlation parameters of the uplink channel are obtained through the correlation parameters of the downlink channel by utilizing the reciprocity of the uplink channel and the downlink channel.
In practical application, if the OVXDM scheme is used to encode data to be transmitted when the channel related parameter value is low, the decoding complexity of the receiving end device may be greatly increased, and therefore, when the channel related parameter value is low, the OVXDM scheme is not used; when the channel-related parameter value is high, the OVXDM scheme is adopted.
Based on this, in an embodiment, the second determining unit 82 is specifically configured to: judging whether the obtained channel related parameter value is larger than a second preset threshold value or not; and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
Here, when it is determined that the channel-related parameter value is less than or equal to a second preset threshold value, it is determined that the OVXDM scheme is not employed but a conventional modulation coding scheme is employed.
In practice, the second determining unit 82 may be implemented by a processor in the code determining apparatus, and the second obtaining unit 81 may be implemented by a communication interface in the code determining apparatus.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an encoding determining apparatus, which is disposed on a sending end device, and as shown in fig. 9, the apparatus includes:
the third obtaining unit 91 is configured to obtain an attribute and a channel related parameter of a data packet to be transmitted. (ii) a The attributes include at least one of: size, type.
A third determining unit 92, configured to determine whether to use an OVXDM scheme according to the attribute of the data packet to be transmitted and the channel related parameter.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the data packet to be transmitted may refer to a data packet to be sent to the terminal by the base station. When the sending end device is a terminal, the receiving end device may be a base station, and the data packet to be transmitted may refer to a data packet to be transmitted from the terminal to the base station.
Here, when the sending end device is a base station, the receiving end device may be a terminal, and the channel related parameter may refer to a downlink channel related parameter. When the sending end device is a terminal, the receiving end device may be a base station, and the channel related parameter may refer to an uplink channel related parameter.
Here, the type of the data packet to be transmitted may include one of:
an FTP type;
a streaming media type;
a web browsing service type;
the type of communication traffic.
In actual application, the sending end device may obtain the channel related parameters from a receiving end device; or, the channel related parameters are obtained by utilizing reciprocity of the uplink and downlink channels.
Based on this, in an embodiment, the third obtaining unit 91 is specifically configured to: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
Here, for the downlink, when the sending end device is a base station and the receiving end device is a terminal, the base station may receive a related parameter of a downlink channel reported by the terminal; or, the correlation parameters of the downlink channel are obtained through the correlation parameters of the uplink channel by utilizing the reciprocity of the uplink channel and the downlink channel. For an uplink, when a sending end device is a terminal and a receiving end device is a base station, the terminal can utilize the relevant parameters of an uplink channel indicated by the base station; or, the correlation parameters of the uplink channel are obtained through the correlation parameters of the downlink channel by utilizing the reciprocity of the uplink channel and the downlink channel.
In practical application, it is assumed that a binary system is used to represent a data packet to be transmitted, and if the number of binary bits is small, the ratio of bits filled for avoiding decoding misjudgment is large, and system signaling efficiency is reduced, at this time, the advantage of OVXDM in improving spectral efficiency is not obvious, and decoding complexity of a receiving end can be increased. Therefore, when the data packet to be transmitted is large and the channel-related parameter value is high, the OVXDM scheme is adopted.
Based on this, in an embodiment, the third determining unit 92 is specifically configured to: and judging whether an OVXDM scheme is adopted or not according to the size of the data packet to be transmitted and the channel related parameters.
Specifically, judging whether the size of the data packet to be transmitted is larger than a first preset threshold value, and judging whether the obtained channel related parameter value is larger than a second preset threshold value; when the size of the data packet to be transmitted is larger than a first preset threshold value and the channel related parameter value is larger than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
In practical application, the size of the data packet to be transmitted can be determined according to the type of the data packet to be transmitted, and thus, whether an OVXDM scheme is adopted can be determined according to the type of the data packet to be transmitted and the channel related parameters.
Based on this, in an embodiment, the third determining unit 92 is specifically configured to: and judging whether an OVXDM scheme is adopted or not according to the type of the data packet to be transmitted and the channel related parameters.
Specifically, judging whether the type of the data packet to be transmitted is matched with a preset type, and judging whether the obtained channel related parameter value is larger than a second preset threshold value; when the type of the data packet to be transmitted is determined to be matched with a preset type and the channel related parameter value is greater than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
In actual application, whether an OVXDM scheme is adopted can be determined according to the size and type of the data packet to be transmitted.
Based on this, in an embodiment, the third determining unit 92 is specifically configured to: and judging whether an OVXDM scheme is adopted or not according to the size and the type of the data packet to be transmitted and the related parameters of the channel.
Here, when it is determined that the size of the data packet to be transmitted is larger than a first preset threshold type and is matched with a preset type, and a channel related parameter value is larger than a second preset threshold value, determining to adopt an OVXDM scheme; otherwise, determining to adopt the traditional modulation coding scheme.
In practical applications, the third determining unit 92 may be implemented by a processor in the code determining apparatus, and the third obtaining unit 91 may be implemented by a communication interface in the code determining apparatus.
An embodiment of the present invention further provides a sending end device, which may specifically be a base station or a terminal, and as shown in fig. 10, the sending end device 100 includes: a communication interface 101, a processor 102, a memory 103; wherein the content of the first and second substances,
a communication interface 101 capable of performing information interaction with other devices;
and the processor 102, connected to the communication interface 101, is configured to execute a method provided by one or more technical solutions of the sending-end device side when running a computer program. And the computer program is stored on the memory 103.
Of course, in practice, the various components in the initiator device 100 are coupled together by the bus system 104. It is understood that the bus system 104 is used to enable communications among the components. The bus system 104 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 104 in fig. 10.
The memory 103 in the embodiments of the present application is used to store various types of data to support the operation of the data processing apparatus 100. Examples of such data include: any computer program for operation on the sending end device 100.
The method disclosed in the embodiments of the present application can be applied to the processor 102, or implemented by the processor 102. The processor 102 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 102. The Processor 102 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The processor 102 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 103, and the processor 102 reads the information in the memory 103 and performs the steps of the foregoing method in combination with the hardware thereof.
In an exemplary embodiment, the sender Device 100 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the foregoing methods.
It will be appreciated that the memory 103 of embodiments of the present application may be either volatile memory or nonvolatile memory, and may include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memories described in the embodiments of the present application are intended to comprise, without being limited to, these and any other suitable types of memory.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
It should be noted that: the technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
The above description is only a preferred embodiment of the present invention, and it is not necessary to describe the scope of the present invention: the technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.

Claims (13)

1. A method for determining coding, applied to a sending end device, the method comprising:
judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type;
and/or the presence of a gas in the gas,
and judging whether an OVXDM scheme is adopted or not according to the channel related parameters.
2. The method according to claim 1, wherein before determining whether to employ the OVXDM scheme, the method further comprises:
acquiring the attribute of a data packet to be transmitted;
and/or the presence of a gas in the gas,
channel related parameters are obtained.
3. The method according to claim 1, wherein the determining whether to adopt an OVXDM scheme according to the attributes of the data package to be transmitted comprises:
judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme;
and/or the presence of a gas in the gas,
judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
4. The method of claim 1, wherein the determining whether to use the OVXDM scheme according to the channel related parameters comprises:
judging whether the channel related parameter value is larger than a second preset threshold value or not;
and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
5. The method of claim 2, wherein the obtaining the channel-related parameters comprises:
acquiring the channel related parameters from receiving end equipment;
alternatively, the first and second electrodes may be,
and determining the relevant parameters of the channels by utilizing reciprocity of the uplink and downlink channels.
6. An encoding determination apparatus applied to a transmitting end device, the apparatus comprising:
the first determining unit is used for judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type;
and/or the presence of a gas in the gas,
and a second determining unit, configured to determine whether to use an OVXDM scheme according to the channel-related parameter.
7. The apparatus of claim 6, further comprising:
the first acquisition unit is used for acquiring the attribute of the data packet to be transmitted;
and/or the presence of a gas in the gas,
and the second acquisition unit is used for acquiring the channel related parameters.
8. The apparatus according to claim 6, wherein the first determining unit is specifically configured to: judging whether the size of the data packet to be transmitted is larger than a first preset threshold value or not; when the size of the data packet to be transmitted is larger than a first preset threshold value, determining to adopt an OVXDM scheme;
and/or the presence of a gas in the gas,
judging whether the type of the data packet to be transmitted is matched with a preset type or not; and when the type of the data packet to be transmitted is determined to be matched with the preset type, determining to adopt an OVXDM scheme.
9. The apparatus according to claim 6, wherein the second determining unit is specifically configured to: judging whether the channel related parameter value is larger than a second preset threshold value or not; and when the channel related parameter value is determined to be larger than a second preset threshold value, determining to adopt an OVXDM scheme.
10. The apparatus according to claim 7, wherein the second obtaining unit is specifically configured to: acquiring the channel related parameters from receiving end equipment; or, determining the channel related parameters by using reciprocity of the uplink and downlink channels.
11. A transmitting-end device, characterized in that the transmitting-end device comprises:
the processor is used for judging whether an OVXDM scheme is adopted or not according to the attribute of the data packet to be transmitted; the attributes include at least one of: size, type; and/or judging whether an OVXDM scheme is adopted or not according to the channel related parameters.
12. A transmitting-end device, comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 5 when running the computer program.
13. A storage medium having a computer program stored thereon, the computer program, when being executed by a processor, implementing the steps of the method of any one of claims 1 to 5.
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