RU2009139425A

RU2009139425A - METHOD FOR TRANSMISSION OF MULTI-PROTOCOL INFORMATION FLOWS AND DEVICE FOR ITS IMPLEMENTATION

Info

Publication number: RU2009139425A
Application number: RU2009139425/08A
Authority: RU
Inventors: Игорь Акрамович Саитов (RU); Игорь Акрамович Саитов; Николай Игоревич Мясин (RU); Николай Игоревич Мясин; Олег Олегович Басов (RU); Олег Олегович Басов; Константин Игоревич Мясин (RU); Константин Игоревич Мясин
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2011-05-10
Also published as: RU2421793C1

Abstract

1. Способ передачи мультипротокольных информационных потоков, заключающийся в том, что совокупность N входных символов N-канального сигнала цифровой синхронной системы передачи, образующуюся в течение каждого тактового интервала, кодируют тактовым набором m СВЧ поднесущих из числа n СВЧ поднесущих, генерируемых синтезатором поднесущих, причем m, n и N связаны соотношением , где - число размещений из n элементов по m, модулируют излучения m канальных оптических передатчиков, различающихся оптическими длинами волн, тактовым набором m СВЧ поднесущих с одновременным вводом в оптический сигнал информации о тактовой частоте цифровой синхронной системы передачи, передают сигналы различных цифровых каналов на любой из используемых рабочих оптических длин волн в соответствии с распределением рабочих длин волн контролируемым блоком управления переключением используемых оптических длин волн между передающими и приемными терминалами систем связи, объединяют спектрально-разнесенные выходные оптические сигналы всех m канальных оптических передатчиков в групповой оптический линейный сигнал, передают групповой оптический линейный сигнал по линейному оптическому тракту, разделяют в приемном терминале групповой оптический сигнал на m составляющих по признаку различия оптических длин волн, детектируют каждый составляющий оптического сигнала канальным фотоприемным устройством, определяют, какое значение СВЧ поднесущей было передано по каждому из m оптических каналов на данном тактовом интервале с одновременным выделением тактовой частоты цифровой синхронной системы передачи, формируют эквивалент тактового набо 1. The method of transmitting multiprotocol information streams, which consists in the fact that the set of N input symbols of the N-channel signal of the digital synchronous transmission system generated during each clock interval is encoded by a clock set of m microwave subcarriers from among n microwave subcarriers generated by the subcarrier synthesizer, wherein m, n and N are related by the relation, where is the number of arrangements of n elements in m, modulate the radiation of m channel optical transmitters, differing in optical wavelengths, by the clock set m of the microwave at the same time the information on the clock frequency of the digital synchronous transmission system is inputted into the optical signal, the signals of various digital channels are transmitted to any of the used optical wavelengths in accordance with the distribution of the operating wavelengths by the control unit for switching the used optical wavelengths between the transmitting and receiving terminals of the systems communications, combine the spectrally-spaced output optical signals of all m channel optical transmitters into a group optical line the first signal, the group optical linear signal is transmitted along the linear optical path, the group optical signal is divided into m components in the receiving terminal according to the difference in optical wavelengths, each component of the optical signal is detected by the channel photodetector, it is determined which value of the microwave subcarrier was transmitted for each of m optical channels at a given clock interval with the simultaneous allocation of the clock frequency of the digital synchronous transmission system, form the equivalent of the clock set

Claims

1. The method of transmitting multiprotocol information streams, which consists in the fact that the set of N input characters of the N-channel signal of the digital synchronous transmission system generated during each clock interval is encoded by a clock set of m microwave subcarriers from among n microwave subcarriers generated by the subcarrier synthesizer, wherein m, n and N are related by

where

- the number of arrangements of n elements in m, modulate the radiation of m channel optical transmitters, differing in optical wavelengths, with a clock set of m microwave subcarriers with simultaneous input of information about the clock frequency of the digital synchronous transmission system into the optical signal, transmit signals of various digital channels to any of the used working optical wavelengths in accordance with the distribution of working wavelengths by a controlled control unit for switching the used optical wavelengths between transmitting and receiving by the terminals of communication systems, combine the spectrally-spaced output optical signals of all m channel optical transmitters into a group optical linear signal, transmit the group optical linear signal along a linear optical path, divide the group optical signal into m components in the receiving terminal according to the difference in optical wavelengths, each component of the optical signal is detected by the channel photodetector; it is determined which value of the microwave subcarrier was transmitted for each of the m optical channels at a given time interval with simultaneous allocation of the clock frequency of the digital synchronous transmission system, form the equivalent of the clock set of m microwave subcarriers, similar to that obtained by encoding the input set of N symbols at the transmitting terminal, decode the equivalent of the clock set of m microwave subcarriers with the formation of the set of N binary symbols distributed over a given clock interval along the N output channels of the receiving terminal in the same way as at the input of the transmitting terminal, In that they analyze the transmission rates and protocols of the set of incoming N multiprotocol information streams, then the set of N input symbols of the N-channel signal of the digital transmission system generated during each clock interval is encoded with a clock set of m microwave subcarriers from among n microwave subcarriers, modulate the radiation m channel optical transmitters, differing in optical wavelengths, with a clock set of m microwave subcarriers with simultaneous input of information about the clock frequency a digital transmission system and switching signals, transmit signals of various digital channels at the used optical wavelengths in accordance with the distribution of the working wavelengths by the controlled control unit for switching the used optical wavelengths between the transmitting and receiving terminals of communication systems, while distributing the working lengths as follows: high-speed information flows are directed through short-wavelength spectral channels, and information flows with lower speeds at they are controlled by spectral channels with a longer wavelength, in addition, in the receiving terminal, it is determined which value of the microwave subcarrier was transmitted for each of the m optical channels on a given clock interval with the simultaneous allocation of the clock frequency of the synchronous transmission system and switching signals, and after the generation of the clock equivalent of a set of m microwave subcarriers, decode the equivalent of a clock set of m microwave subcarriers and switching signals with the formation of a set of N binary symbols distributed during a given clock cycle th interval of N output channels of the receiving terminal as well as the input to the transmission terminal.

2. The method according to claim 1, characterized in that they transmit signals of various digital channels with different input signal power into the optical fiber.

3. A device for transmitting multiprotocol information streams, comprising a transmitting terminal, which includes an encoder switch, a microwave subcarrier synthesizer, m channel optical transmitters with spaced wavelengths, a device for combining spectrally separated optical channels, a linear optical path, and N synchronous inputs digital channels are connected to the N information inputs of the encoder-switch, the input of the switching signal is connected to the switching input of the encoder-switch, the input of the clock frequency to the clock inputs of the encoder-switch, synthesizer of microwave subcarriers and channel optical transmitters with separated wavelengths, N microwave outputs of the synthesizer of microwave subcarriers are connected to N microwave inputs of the encoder-switch, m microwave outputs of the encoder-switch are connected respectively to the modulator inputs of m channel optical transmitters with spaced wavelengths, the optical outputs of m channel optical transmitters with spaced wavelengths are connected to m inputs of a device for combining spectrally separated optical channels, output which is connected to the input of the linear optical path, as well as a receiving terminal, which contains a device for separating spectrally-separated optical channels, m channel photodetectors, a clock synchronization device, a microwave subcarrier synthesizer, m channel subcarrier determination devices, a decoder, a switching signal decoder, the output of the linear optical path is connected to the input of the device for separating spectrally-spaced optical channels, m outputs of which are connected respectively to the optical m inputs of m channel photodetectors, the first microwave outputs of which are connected respectively to the microwave information inputs of the subcarrier detection devices, and the second microwave outputs are connected to the inputs of the clock synchronization device, the outputs of which are connected to the clock inputs of the subcarrier detection devices, the decoder and the clock input of the microwave synthesizer subcarriers, the microwave outputs of which are connected in parallel to the inputs of the microwave subcarriers in all m channel subcarrier determination devices, the outputs of the channel devices The subcarrier definitions are connected respectively to m by n information inputs of the decoder, while the decoder includes an output device for excess clock sets of microwave subcarriers, the outputs of which are connected to the inputs of the decoder of the switching signals, the output for transmitting the switching signal of the decoder is connected to the input of the decoder of the switching signals, which differs in addition, a protocol analyzer, a control circuit for channel optical transmitters, an input device for terminal N multiprotocol information are introduced ion streams, clock frequency and switching signals, a digital channel switch controller, a digital channel switch and a terminal output device N of multiprotocol information streams and a clock frequency, while N multiprotocol information streams are connected to a protocol analyzer, the information outputs of digital channels of which through an input device to terminal N multiprotocol information flows, clock frequency and switching signals are connected to N information inputs of the encoder switch, and the switching signal is connected to the switching input of the encoder-switch and to the input of the control circuit of channel optical transmitters with separated wavelengths, the outputs of which are connected to the second inputs of m channel optical transmitters with separated wavelengths, N information outputs of the decoder are connected to N information inputs of the switch, the output of the decoder for the transmission of clock signals, it is connected to the corresponding input of the switch, the output of the decoder of the switching signals is connected to the input of the controller and digital channels, the output of which is connected to the control input of the switch of digital channels, N information inputs of which are connected to N information outputs of the decoder, N information outputs are connected to N inputs of the output device from the terminal, N multiprotocol information flows and clock frequency, the switching signal from the switching output of the switch connected to the switching input of the output device from the terminal N multiprotocol information flows and clock frequency, the output of the switch for signal transmission The clock frequency is connected to the clock synchronization input of the output device from the terminal N of multiprotocol information flows and the clock frequency.