Communication method capable of switching photoelectric network

Abstract

The invention discloses a communication method capable of switching a photoelectric network, which belongs to the field of network signal transmission, and comprises the following steps of: constructing an optical transmission utility model according to signal transmission parameters of an optical network architecture, calculating optical transmission utility in a historical optical signal synchronous transmission process, and screening a high-quality optical signal transmission process; establishing a reference data set of optical transmission utility; similarly, establishing a reference data set of the electric transmission utility; the applicability of the transmission mode is evaluated according to the flow of the network signals, a matching model of network signal transmission is constructed based on the optical transmission utility model and the electric transmission utility model, and the transmission mode of the network signals is formulated based on the applicability of the transmission mode. According to the method, the efficiency of communication network transmission can be maximized, the stability of the communication transmission process can be effectively enhanced, and the method adapts to complex communication scenes in the future and has great application and popularization values.

Description

Technical Field

[0001] The invention relates to the field of network signal transmission, and in particular to a communication method of a switchable photoelectric network. Background Art

[0002] Optical communication is a communication method based on optical principles for information transmission. It uses light as the carrier of information transmission, modulates the wavelength, frequency, phase and other characteristics of light, converts information signals into optical signals for transmission, and then converts optical signals into electrical signals for decoding and processing. Optical communication has the advantages of fast transmission speed, large bandwidth, anti-interference, and safety, and has been widely used in various fields.

[0003] Electrical communication is a communication method that uses linear or tubular materials as channel transmission media or media interfaces. It is a communication method that uses guided waves as the main transmission mode of signal energy. It can transmit sound, text, data, and images. It has high transmission quality, good confidentiality, and the signal is not easily interfered with or intercepted.

[0004] For fields that are applicable to both optical and electrical communications, it is often necessary to establish both optical and electrical network architectures for different network signals to choose from, in order to match different user needs. However, the switching strategies of existing hybrid network transmission strategies are simple and often based on fixed thresholds or simple rules. They are difficult to cope with complex and dynamic network environments, and cannot give full play to the respective advantages of optical and electrical signal transmission, resulting in resource waste and fluctuations in communication quality. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides a communication method for a switchable optoelectronic network. According to the different signal transmission characteristics of optical communication and electrical communication, a reasonable and efficient optical network architecture and electrical network architecture switching strategy is formulated to ensure high quality and high efficiency of network signal transmission.

[0006] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is: A communication method for a switchable optoelectronic network is provided, comprising: Step S1: construct an optical transmission utility model according to the signal transmission parameters of the optical network architecture, calculate the optical transmission utility of the historical optical signal synchronous transmission process, select high-quality optical signal transmission processes, and establish a reference data set of optical transmission utility; Step S2: constructing an electric transmission utility model according to the signal transmission parameters of the electric network architecture, calculating the electric transmission utility of the historical electric signal transmission process, and selecting the high-quality electric signal transmission process to establish a reference data set of electric transmission utility; Step S3: Evaluate the applicability of the transmission method according to the flow size of the network signal, build a matching model for network signal transmission based on the optical transmission utility model and the electrical transmission utility model, and formulate the transmission method of the network signal based on the applicability of the transmission method.

[0007] Further, step S1 includes: Step S11: Constructing an optical transmission utility model based on the signal transmission parameters of the optical network architecture , calculate the optical transmission utility of the historical optical signal during synchronous transmission ; ; in, is the signal flow set during the synchronous transmission of historical optical signals, n is the number of the optical signal, Fn For optical signals n of traffic, is the set of transmission delays of the optical signal during the synchronous transmission of the historical optical signal, Tn For optical signals n The transmission delay, is the data set of the signal-to-noise ratio of the optical signal during the synchronous transmission of the historical optical signal. SNR For optical signals n The signal-to-noise ratio, Indicates taking the maximum value, Indicates taking the minimum value, The maximum carrying capacity designed for the optical network architecture, Optimal signal-to-noise ratio designed for optical network architectures, are the weight coefficients of the optical signal transmission flow, delay and signal-to-noise ratio on the optical transmission utility; Step S12: Obtaining the optical transmission utility data set of each historical optical signal synchronous transmission process , m is the number of historical optical signal synchronous transmission processes, For the history m The optical transmission utility of the synchronous transmission process of sub-optical signals; Step S13: Calculate the ideal signal flow rate during the synchronous transmission process according to the historical optical signal ,Delay and signal-to-noise ratio Calculate the ideal optical transmission efficiency during the synchronous transmission of optical signals ; ; Step S14: Obtaining the ideal optical transmission utility during each optical signal synchronous transmission in history , and calculate the difference in light transmission efficiency and set the optical transmission utility difference threshold Make comparisons; like , then the optical signal synchronous transmission process is determined to be a poor quality optical signal transmission process; if , then the optical signal synchronous transmission process is determined to be a high-quality optical signal transmission process; Step S15: extract the optical transmission utility corresponding to all high-quality optical signal transmission processes and construct a reference data set of optical transmission utility , n is the number of high-quality optical signal transmission processes, For reference dataset Middle n A light transmission utility.

[0008] Further, step S2 includes: Step S21: Constructing an electric transmission utility model according to the signal transmission parameters of the electric network architecture , calculate the electrical transmission utility of the historical electrical signal during simultaneous transmission ; ; in, is the set of bit error rates of electrical signals during the simultaneous transmission of historical electrical signals, p is the electrical signal number corresponding to each subcarrier, For electrical signals p The bit error rate, is the set of distortions of the electrical signals during the simultaneous transmission of the historical electrical signals, For electrical signals p The distortion, is the set of attenuation rates of the electrical signals during the simultaneous transmission of historical electrical signals, For electrical signals p The decay rate, Optimal bit error rate designed for electrical network architecture, The optimal attenuation rate designed for the electrical network architecture, Optimal distortion designed for electrical network architecture, are the influence weight coefficients of electrical signal transmission distortion, bit error rate and attenuation rate on electrical transmission utility; Step S22: Obtaining the electrical transmission utility data set of each historical electrical signal simultaneous transmission process , p is the number of simultaneous transmission processes of historical electrical signals, For the history p The electrical transmission effect of the simultaneous transmission process of electrical signals; Step S23: According to the ideal distortion degree of each electrical signal transmission process in history , bit error rate and decay rate Calculating ideal electrical transmission utility ; ; Step S24: Obtaining the ideal electrical transmission utility during each simultaneous transmission of electrical signals in history , and calculate the difference in electrical transmission utility , and the electrical transmission utility difference threshold set Make comparisons; like , then the simultaneous transmission process of the electric signal is determined to be a poor-quality electric signal transmission process; if , then the simultaneous transmission process of the electric signal is determined to be a high-quality electric signal transmission process; Step S25: extract the electrical transmission utilities corresponding to all high-quality electrical signal transmission processes and construct a reference data set of electrical transmission utilities , q The number of high-quality electrical signal transmission processes, For reference dataset Middle q An electrical transmission utility.

[0009] Further, step S3 includes: Step S31: Based on the flow rate of the network signal Assess the suitability of the transmission method; like , the network signal needs to use the optical network architecture and the electrical network architecture to transmit the signal at the same time, and execute steps S32 to S34; like , the network signal needs to select an optical network architecture or an electrical network architecture for signal transmission, and execute steps S35-S36; Step S32: Based on the optical transmission utility model and power transmission utility model Constructing a matching model for network signal transmission ; Step S33: The delay required by the user during the network signal transmission process , signal-to-noise ratio , Distortion , bit error rate and decay rate Input matching model Output the traffic that needs to be transmitted by the matched optical network architecture Traffic that needs to be transmitted by the Hedian network architecture ; Step S34: Divide the network signal into two parts according to the size of the traffic and , the flow part Using optical network architecture for transmission and traffic part Using electrical network architecture for transmission; Step S35: The flow rate of the network signal and user-requested delays , signal-to-noise ratio , Distortion , bit error rate and decay rate Input the optical transmission utility model separately and power transmission utility model In this paper, the optical transmission efficiency of network signals transmitted using optical network architecture is calculated. and the utility of electricity transmission using the transmission part of the electricity network architecture ; Step S36: If it exists , then the network signal transmission channel is switched to the optical network architecture, and the network signal is transmitted using the optical network architecture; like , then the network signal transmission channel is switched to the electrical network architecture, and the electrical network architecture is used to transmit the network signal; like , then execute steps S32 to S34.

[0010] Furthermore, the matching model for: ; in, To split the network signal traffic into two parts, Represents the reference dataset Take any value in Represents the reference dataset Take any value in .

[0011] The beneficial effects of the present invention are as follows: the present solution uses the optical transmission utility and electrical transmission utility of historical transmission signals in the optical network architecture and the electrical network architecture as a reference to construct the selection and switching strategy of the optical network architecture and the electrical network architecture, and adopts the optimal matching method to provide a suitable and accurate transmission solution for the transmission of network signals using electrical network transmission and / or optical network transmission. It maximizes the efficiency of communication network transmission, can effectively enhance the stability of the communication transmission process, adapt to complex communication scenarios in the future, and has great application and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A flow chart of a communication method for a switchable optoelectronic network. DETAILED DESCRIPTION

[0013] The specific implementation modes of the present invention are described below so that those skilled in the art can understand the present invention. However, it should be clear that the present invention is not limited to the scope of the specific implementation modes. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, these changes are obvious, and all inventions and creations utilizing the concept of the present invention are protected.

[0014] like Figure 1 As shown, a communication method of a switchable optoelectronic network is based on a switchable optoelectronic network system, including an optical network architecture, an electrical network architecture and a network selection module; The optical network architecture enables the synchronous transmission of multi-wavelength optical signals through a single optical fiber; The electrical network architecture divides the transmission frequency band into multiple subcarriers, and the data of different users are transmitted simultaneously on different subcarriers; The network selection module monitors the data information of the network signal, and makes transmission decisions for the network information transmission process, and switches and selects the network signal transmission channel between the optical network architecture and the electrical network architecture according to the transmission decisions; Communication methods include: Step S1: construct an optical transmission utility model based on the signal transmission parameters of the optical network architecture, calculate the optical transmission utility of the historical optical signal synchronous transmission process, and select high-quality optical signal transmission processes to establish a reference data set for optical transmission utility. Step S1 specifically includes: Step S11: Constructing an optical transmission utility model based on the signal transmission parameters of the optical network architecture , calculate the optical transmission utility of the historical optical signal during synchronous transmission ; ; in, is the signal flow set during the synchronous transmission of historical optical signals, n is the number of the optical signal, Fn For optical signals n of traffic, is the set of transmission delays of the optical signal during the synchronous transmission of the historical optical signal, Tn For optical signals n The transmission delay, is the data set of the signal-to-noise ratio of the optical signal during the synchronous transmission of the historical optical signal. SNR For optical signals n The signal-to-noise ratio, Indicates taking the maximum value, Indicates taking the minimum value, The maximum carrying capacity designed for the optical network architecture, Optimal signal-to-noise ratio designed for optical network architectures, They are the weight coefficients of the optical signal transmission flow, delay and signal-to-noise ratio on the optical transmission utility, which are generally taken as ; The signal-to-noise ratio is the ratio of the optical signal power to the noise power within the limited bandwidth of the optical signal. It is one of the important indicators for measuring the performance of the optical network. The smaller the signal-to-noise ratio, the better. The transmission flow rate indicates the ability of signal transmission. The larger the transmission flow rate, the stronger the optical signal transmission ability. The delay refers to the time required for the signal to travel from the sending end to the receiving end. It is also an important indicator of the performance of the optical fiber. This embodiment uses the optical signal transmission flow rate, delay and signal-to-noise ratio as parameters to evaluate whether the optical signal transmission process is of high quality.

[0015] Step S12: Obtaining the optical transmission utility data set of each historical optical signal synchronous transmission process , m is the number of historical optical signal synchronous transmission processes, For the history m The optical transmission utility of the synchronous transmission process of sub-optical signals; Step S13: Calculate the ideal signal flow rate during the synchronous transmission process according to the historical optical signal ,Delay and signal-to-noise ratio Calculate the ideal optical transmission efficiency during the synchronous transmission of optical signals ; ; Step S14: Obtaining the ideal optical transmission utility during each optical signal synchronous transmission in history , and calculate the difference in light transmission efficiency and set the optical transmission utility difference threshold Make comparisons; like , then the optical signal synchronous transmission process is determined to be a poor quality optical signal transmission process; if , then the optical signal synchronous transmission process is determined to be a high-quality optical signal transmission process; Step S15: extract the optical transmission utility corresponding to all high-quality optical signal transmission processes and construct a reference data set of optical transmission utility , n is the number of high-quality optical signal transmission processes, For reference dataset Middle n Light transmission utility. Reference dataset The content is a high-quality optical signal transmission process, which provides reference data for the selection and matching of subsequent network signal transmission methods.

[0016] Step S2: construct an electric transmission utility model based on the signal transmission parameters of the electric network architecture, calculate the electric transmission utility of the historical electric signal transmission process, select high-quality electric signal transmission processes, and establish a reference data set for electric transmission utility. Step S2 specifically includes: Step S21: Constructing an electric transmission utility model according to the signal transmission parameters of the electric network architecture , calculate the electrical transmission utility of the historical electrical signal during simultaneous transmission ; ; in, is the set of bit error rates of electrical signals during the simultaneous transmission of historical electrical signals, p is the electrical signal number corresponding to each subcarrier, For electrical signals p The bit error rate, is the set of distortions of the electrical signals during the simultaneous transmission of the historical electrical signals, For electrical signals p The distortion, is the set of attenuation rates of the electrical signals during the simultaneous transmission of historical electrical signals, For electrical signals p The decay rate, Optimal bit error rate designed for electrical network architecture, The optimal attenuation rate designed for the electrical network architecture, Optimal distortion designed for electrical network architecture, are the influence weight coefficients of electrical signal transmission distortion, bit error rate and attenuation rate on electrical transmission utility; The transmission process of electrical signals is susceptible to external interference, such as electromagnetic interference, which may cause signal distortion, increased bit error rate, and other problems. At the same time, the transmission process of electrical signals is also more susceptible to attenuation. Therefore, this embodiment uses distortion, bit error rate, and attenuation rate as parameters for determining whether the electrical signal transmission is of high quality.

[0017] Step S22: Obtaining the electrical transmission utility data set of each historical electrical signal simultaneous transmission process , p is the number of simultaneous transmission processes of historical electrical signals, For the history p The electrical transmission effect of the simultaneous transmission process of electrical signals; Step S23: According to the ideal distortion degree of each electrical signal transmission process in history , bit error rate and decay rate Calculating ideal electrical transmission utility ; ; Step S24: Obtaining the ideal electrical transmission utility during each simultaneous transmission of electrical signals in history , and calculate the difference in electrical transmission utility , and the electrical transmission utility difference threshold set Make comparisons; like , then the simultaneous transmission process of the electric signal is determined to be a poor-quality electric signal transmission process; if , then the simultaneous transmission process of the electric signal is determined to be a high-quality electric signal transmission process; Step S25: extract the electrical transmission utilities corresponding to all high-quality electrical signal transmission processes and construct a reference data set of electrical transmission utilities , q The number of high-quality electrical signal transmission processes, For reference dataset Middle q Electrical transmission utility. Reference dataset The inside is a high-quality electrical signal transmission process, providing reference data for the selection and matching of subsequent network signal transmission methods.

[0018] Step S3: Evaluate the applicability of the transmission method according to the flow rate of the network signal, build a matching model for network signal transmission based on the optical transmission utility model and the electrical transmission utility model, and formulate the transmission method of the network signal based on the applicability of the transmission method. Step S3 specifically includes: Step S31: Based on the flow rate of the network signal Assess the suitability of the transmission method; like , the network signal needs to use the optical network architecture and the electrical network architecture to transmit the signal at the same time, and execute steps S32 to S34; like , the network signal needs to select an optical network architecture or an electrical network architecture for signal transmission, and execute steps S35-S36; Step S32: Based on the optical transmission utility model and power transmission utility model Constructing a matching model for network signal transmission ; ; in, To split the network signal traffic into two parts, Represents the reference dataset Take any value in Represents the reference dataset Take any value in; Step S33: The delay required by the user during the network signal transmission process , signal-to-noise ratio , Distortion , bit error rate and decay rate Input matching model Output the traffic that needs to be transmitted by the matched optical network architecture Traffic that needs to be transmitted by the Hedian network architecture ; Step S34: Divide the network signal into two parts according to the size of the traffic and , the flow part Using optical network architecture for transmission and traffic part Using electrical network architecture for transmission; Step S35: The flow rate of the network signal , and user-requested delays , signal-to-noise ratio , Distortion , bit error rate and decay rate Input the optical transmission utility model separately and power transmission utility model In this paper, the optical transmission efficiency of network signals transmitted using optical network architecture is calculated. and the utility of electricity transmission using the transmission part of the electricity network architecture ; Step S36: If it exists , then the network signal transmission channel is switched to the optical network architecture, and the network signal is transmitted using the optical network architecture; like , then the network signal transmission channel is switched to the electrical network architecture, and the electrical network architecture is used to transmit the network signal; like , then execute steps S32 to S34.

[0019] The present invention uses the optical transmission utility and electrical transmission utility of historical transmission signals in optical network architecture and electrical network architecture as reference to construct the selection and switching strategy of optical network architecture and electrical network architecture, and adopts the optimal matching method to provide a suitable and accurate transmission scheme for the transmission of network signals using electrical network transmission and / or optical network transmission. It maximizes the efficiency of communication network transmission, can effectively enhance the stability of the communication transmission process, adapt to complex communication scenarios in the future, and has great application and promotion value.

Claims

1. A communication method for a switchable optoelectronic network, characterized in that: include: Step S1: construct an optical transmission utility model according to the signal transmission parameters of the optical network architecture, calculate the optical transmission utility of the historical optical signal synchronous transmission process, select high-quality optical signal transmission processes, and establish a reference data set of optical transmission utility; Step S2: constructing an electric transmission utility model according to the signal transmission parameters of the electric network architecture, calculating the electric transmission utility of the historical electric signal transmission process, and selecting the high-quality electric signal transmission process to establish a reference data set of electric transmission utility; Step S3: Evaluate the applicability of the transmission method according to the flow size of the network signal, build a matching model for network signal transmission based on the optical transmission utility model and the electrical transmission utility model, and formulate the transmission method of the network signal based on the applicability of the transmission method.

2. The communication method of the switchable optoelectronic network according to claim 1, characterized in that: The step S1 comprises: Step S11: Constructing an optical transmission utility model based on the signal transmission parameters of the optical network architecture , calculate the optical transmission utility of the historical optical signal during synchronous transmission ; ； in, is the signal flow set during the synchronous transmission of historical optical signals, n is the number of the optical signal, Fn For optical signals n of traffic, is the set of transmission delays of the optical signal during the synchronous transmission of the historical optical signal, Tn For optical signals n The transmission delay, is the data set of the signal-to-noise ratio of the optical signal during the synchronous transmission of the historical optical signal. SNR For optical signals n The signal-to-noise ratio, Indicates taking the maximum value, Indicates taking the minimum value, The maximum carrying capacity designed for the optical network architecture, Optimal signal-to-noise ratio designed for optical network architectures, are the weight coefficients of the optical signal transmission flow, delay and signal-to-noise ratio on the optical transmission utility; Step S12: Obtaining the optical transmission utility data set of each historical optical signal synchronous transmission process , m is the number of historical optical signal synchronous transmission processes, For the history m The optical transmission utility of the synchronous transmission process of sub-optical signals; Step S13: Calculate the ideal signal flow rate during the synchronous transmission process according to the historical optical signal ,Delay and signal-to-noise ratio Calculate the ideal optical transmission efficiency during the synchronous transmission of optical signals ; ； Step S14: Obtaining the ideal optical transmission utility during each optical signal synchronous transmission in history , and calculate the difference in light transmission efficiency and set the optical transmission utility difference threshold Make comparisons; like , then the optical signal synchronous transmission process is determined to be a poor quality optical signal transmission process; if , then the optical signal synchronous transmission process is determined to be a high-quality optical signal transmission process; Step S15: extract the optical transmission utility corresponding to all high-quality optical signal transmission processes and construct a reference data set of optical transmission utility , n is the number of high-quality optical signal transmission processes, For reference dataset Middle n A light transmission utility.

3. The communication method of the switchable optoelectronic network according to claim 2, characterized in that: The step S2 comprises: Step S21: Constructing an electric transmission utility model according to the signal transmission parameters of the electric network architecture , calculate the electrical transmission utility of the historical electrical signal during simultaneous transmission ; ； in, is the set of bit error rates of electrical signals during the simultaneous transmission of historical electrical signals, p is the electrical signal number corresponding to each subcarrier, For electrical signals p The bit error rate, is the set of distortions of the electrical signals during the simultaneous transmission of the historical electrical signals, For electrical signals p The distortion, is the set of attenuation rates of the electrical signals during the simultaneous transmission of historical electrical signals, For electrical signals p The decay rate, Optimal bit error rate designed for electrical network architecture, The optimal attenuation rate designed for the electrical network architecture, Optimal distortion designed for electrical network architecture, are the influence weight coefficients of electrical signal transmission distortion, bit error rate and attenuation rate on electrical transmission utility; Step S22: Obtaining the electrical transmission utility data set of each historical electrical signal simultaneous transmission process , p is the number of simultaneous transmission processes of historical electrical signals, For the history p The electrical transmission effect of the simultaneous transmission process of electrical signals; Step S23: According to the ideal distortion degree of each electrical signal transmission process in history , bit error rate and decay rate Calculating ideal electrical transmission utility ; ； Step S24: Obtaining the ideal electrical transmission utility during each simultaneous transmission of electrical signals in history , and calculate the difference in electrical transmission utility , and the electrical transmission utility difference threshold set Make comparisons; like , then the simultaneous transmission process of the electric signal is determined to be a poor-quality electric signal transmission process; if , then the simultaneous transmission process of the electric signal is determined to be a high-quality electric signal transmission process; Step S25: extract the electrical transmission utilities corresponding to all high-quality electrical signal transmission processes and construct a reference data set of electrical transmission utilities , q The number of high-quality electrical signal transmission processes, For reference dataset Middle q An electrical transmission utility.

4. The communication method of the switchable optoelectronic network according to claim 3, characterized in that: The step S3 comprises: Step S31: Based on the flow rate of the network signal Assess the suitability of the transmission method; like , the network signal needs to use the optical network architecture and the electrical network architecture to transmit the signal at the same time, and execute steps S32 to S34; like , the network signal needs to select an optical network architecture or an electrical network architecture for signal transmission, and execute steps S35-S36; Step S32: Based on the optical transmission utility model and power transmission utility model Constructing a matching model for network signal transmission ; Step S33: The delay required by the user during the network signal transmission process , signal-to-noise ratio , Distortion , bit error rate and decay rate Input matching model Output the traffic that needs to be transmitted by the matched optical network architecture The traffic that needs to be transmitted by the Hedian network architecture ; Step S34: Divide the network signal into two parts according to the size of the traffic and , the flow part Using optical network architecture for transmission and traffic part Using electrical network architecture for transmission; Step S35: The flow rate of the network signal and user-requested delays , signal-to-noise ratio , Distortion , bit error rate and decay rate Input the optical transmission utility model separately and power transmission utility model In this paper, the optical transmission efficiency of network signals transmitted using optical network architecture is calculated. and the utility of electricity transmission using the transmission part of the electricity network architecture ; Step S36: If it exists , then the network signal transmission channel is switched to the optical network architecture, and the network signal is transmitted using the optical network architecture; like , then the network signal transmission channel is switched to the electrical network architecture, and the electrical network architecture is used to transmit the network signal; like , then execute steps S32 to S34.

5. The communication method of the switchable optoelectronic network according to claim 4, characterized in that: The matching model for: ； in, To split the network signal traffic into two parts, Represents the reference dataset Take any value in Represents the reference dataset Take any value in .

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