阅读说明：本技术 用于硬件配置的网络的方法和设备 (Method and apparatus for hardware configured network ) 是由 J·迪恩德艾 于 2018-10-14 设计创作，主要内容包括：一种用于配置硬件配置的光链路的方法包括产生第一光信号,所述第一光信号包括波长信道的慢速扫描,其中所述慢速扫描具有特定波长信道上的停留时间。产生第二光信号,所述第二光信号包括波长信道的快速扫描,其中所述快速扫描具有特定波长信道上的停留时间和完整信道扫描时间,其中慢速扫描停留时间大于或等于完整信道扫描时间。通过链路发送第一光信号,然后检测部分。然后检测持续时间小于快速扫描的特定波长信道上的停留时间的光脉冲。然后响应于检测到光脉冲和检测到第一光信号的部分,通过链路发送客户数据讯务。(A method for configuring a hardware configured optical link includes generating a first optical signal comprising a slow scan of wavelength channels, wherein the slow scan has a dwell time on a particular wavelength channel. Generating a second optical signal comprising a fast scan of wavelength channels, wherein the fast scan has a dwell time on a particular wavelength channel and a full channel scan time, wherein a slow scan dwell time is greater than or equal to the full channel scan time. The first optical signal is transmitted over the link and then the portion is detected. Light pulses having a duration less than the dwell time on the rapidly scanned particular wavelength channel are then detected. Client data traffic is then sent over the link in response to detecting the optical pulse and detecting the portion of the first optical signal.)

1. A method for establishing a communication link for a coherent transceiver, the method comprising:

a) receiving an optical signal having a channel wavelength from a link;

b) mixing an optical signal having a channel wavelength with a fast-scanned optical signal comprising a local oscillator channel wavelength to produce a mixed optical signal;

c) detecting the mixed optical signal when a particular one of the channel wavelength and the local oscillator channel wavelength is at the coincident channel wavelength, thereby generating an electrical detection signal;

d) determining a modulation bandwidth of the electrical detection signal; and

e) if the determined modulation bandwidth of the generated electrical mixing signal is greater than the predetermined bandwidth, the coincident channel wavelength is identified as the occupied channel wavelength.

2. The method for establishing a communication link for a coherent transceiver of claim 1, further comprising:

a) generating a slow-scan optical signal comprising a continuous wave local oscillator channel and transmitting the slow-scan optical signal comprising the continuous wave local oscillator channel over the link;

b) receiving a portion of a transmitted slow-scan optical signal comprising a continuous wave local oscillator channel;

c) mixing the received portion of the transmitted slow-scan optical signal including the continuous wave local oscillator wavelength channels with a second fast scan of the local oscillator wavelength channels to produce a second mixed optical signal;

d) detecting a second mixed optical signal when a particular one of the continuous wave local oscillator wavelength channels of the received portion of the transmitted optical signal and a particular one of the second fast-scan local oscillator wavelength channels are in a coincident second wavelength channel, thereby generating a second electrical detection signal;

e) tuning a wavelength channel of a local oscillator in an optical transmitter to a consistent second wavelength channel; and

f) if the modulation bandwidth of the second electrical detection signal is less than the predetermined bandwidth, then RF modulation is turned on to establish the communication link.

3. The method for establishing a communication link for a coherent transceiver of claim 1, wherein the fast scan of the local oscillator channel wavelength has a predetermined time sequence.

4. The method for establishing a communication link for a coherent transceiver of claim 2, wherein the fast scan of the local oscillator channel wavelength has a predetermined time sequence.

5. The method for establishing a communication link for a coherent transceiver of claim 2, wherein the second fast scan of local oscillator channel wavelengths has a predetermined time sequence.

6. The method for establishing a communication link for a coherent transceiver of claim 2, wherein the slow scan of the continuous wave of the local oscillator channel wavelength has a predetermined time sequence.

7. The method for establishing a communication link for a coherent transceiver of claim 6, wherein the predetermined time sequence of slow scans comprises random times between continuous wave local oscillator channel wavelengths.

8. The method for establishing a communication link for a coherent transceiver of claim 2, wherein the fast scan and the second fast scan of the local oscillator channel wavelengths have a predetermined time sequence and the slow scan has a second predetermined time sequence, wherein the predetermined time sequence of the fast scan and the second fast scan of the local oscillator channel wavelengths is faster than the predetermined time sequence of the slow scan of the continuous wave local oscillator channel wavelengths.

9. The method for establishing a communication link for a coherent transceiver of claim 8, wherein at least one of the predetermined time sequence of the fast scan and the second fast scan and the predetermined time sequence of the slow scan are selected to avoid collisions.

10. The method for establishing a communication link for a coherent transceiver of claim 8, wherein the predetermined time sequence of the fast scan and the second fast scan is relatively faster than the predetermined time sequence of the slow scan.

11. The method for establishing a communication link for a coherent transceiver of claim 1, wherein the occupied channel wavelengths are removed from a subsequent slow scan.

12. The method for establishing a communication link for a coherent transceiver of claim 2, wherein a fast scan is performed at a near-side coherent transceiver and a slow scan is performed at a far-side coherent transceiver.

13. The method for establishing a communication link for a coherent transceiver of claim 2, wherein a fast scan is performed at a far-side coherent transceiver and a slow scan is performed at a near-side coherent transceiver.

14. A method for configuring a hardware configured optical link between a near side transceiver and a far side transceiver, the method comprising:

a) generating a first optical signal comprising a slow scan of wavelength channels with a near-end transceiver and transmitting the generated first optical signal to a far-end transceiver;

b) receiving, at a far-end transceiver, a portion of a first optical signal generated with a near-end transceiver;

c) determining whether the received portion of the first optical signal includes a duration that is greater than a duration of a dwell time on a particular wavelength channel of the fast scan;

d) generating, with the far-end transceiver, a second optical signal comprising a fast scan of wavelength channels if the received portion of the first optical signal is determined to comprise a duration of dwell time on the fast scan particular wavelength channel, and transmitting the generated second optical signal to the near-end transceiver;

e) receiving, at the near-end transceiver, a portion of a second optical signal generated with the far-end transceiver and determining whether the received portion of the second optical signal comprises a duration that is less than twice a duration of a dwell time on a particular wavelength channel of the fast scan; and

f) if the received portion of the second optical signal is determined to comprise a duration less than twice the duration of the dwell time on the fast-scan particular wavelength channel, a third optical signal comprising a beacon signal is generated at the current operating wavelength of the near-end transceiver using the near-end transceiver and transmitted to the far-end transceiver.

15. The method for configuring a hardware-configured link of claim 14, wherein the slow scan of wavelength channels is at a rate approximately equal to one channel per second.

16. A method for configuring a hardware configured link as recited in claim 14, wherein the rate of the fast scan of wavelength channels is approximately equal to one channel per millisecond.

17. The method for configuring a hardware configured link of claim 14, wherein transmitting the generated first optical signal to a far-end transceiver connected to a near-end transceiver comprises: the generated first optical signal is transmitted through a wavelength filter.

18. The method for configuring a hardware-configured link of claim 14, wherein determining whether the received portion of the first optical signal comprises a duration of dwell time on a rapidly scanning particular wavelength channel comprises determining a duration of time for which a loss of signal (L OS) indicator is equal to zero.

19. The method for configuring a link of a hardware configuration of claim 14, further comprising:

a) receiving a portion of the third optical signal at the remote transceiver and determining whether the received portion of the third optical signal comprises a beacon signal;

b) generating a fourth optical signal comprising a slow scan of the wavelength channel with the far-end transceiver and transmitting the generated fourth optical signal to the near-end transceiver if the received portion of the fourth optical signal is determined to comprise a beacon signal;

c) receiving, at the near-end transceiver, a portion of a fourth optical signal generated with the far-end transceiver and determining whether the received portion of the fourth optical signal comprises a duration that is greater than half a duration of a dwell time on a particular wavelength channel of the slow scan;

d) generating a fifth optical signal comprising a hold signal at the near-end transceiver and transmitting the generated fifth optical signal to the far-end transceiver if the received portion of the fourth optical signal is determined to comprise a duration that is greater than half the duration of the dwell time on the slow-scan particular wavelength channel;

e) receiving a portion of the fifth optical signal at the remote transceiver and determining whether the received portion of the fifth optical signal comprises a duration greater than the fast scan duration; and

f) if the received portion of the fifth optical signal is determined to include a duration that is greater than the duration of the dwell time on the fast-scanned particular wavelength channel, the operating wavelength of the remote transceiver is set to the second current operating wavelength and real-time traffic is then transmitted from the remote transceiver using the second current operating wavelength.

20. A method for configuring a hardware configured optical link between a near-end coherent transceiver and a far-end coherent transceiver, the method comprising:

a) generating a first optical signal comprising a slow scan of a CW wavelength channel with a near-end coherent transceiver;

b) transmitting the generated first optical signal to a far-end coherent transceiver;

c) receiving, at a far-end coherent transceiver, a portion of a first optical signal generated with a near-end coherent transceiver;

d) determining whether the received portion of the first optical signal comprises a current CW wavelength channel;

e) generating a second optical signal comprising the current CW wavelength channel with a remote coherent transceiver; and

f) if the received portion of the first optical signal is determined to include the current CW wavelength channel, the resulting second optical signal is transmitted to a near-end coherent transceiver.

21. The method for configuring a link of a hardware configuration of claim 20, further comprising: determining, at the near-end coherent transceiver, whether the received signal includes RF modulation on a first wavelength channel, and if the received signal is determined to include RF modulation on the first wavelength channel, generating a slowly scanned first optical signal including CW wavelength channels starting from a second wavelength channel.

22. The method for configuring a hardware configured link of claim 21, wherein the first wavelength channel comprises channel 1 of an ITU grid and the second wavelength channel comprises channel 2 of the ITU grid.

23. The method for configuring a hardware configured link of claim 20, wherein transmitting the generated first optical signal to a far-end coherent transceiver comprises: the resulting first optical signal is transmitted through a passive optical splitter.

24. The method for configuring a hardware-configured link as recited in claim 20, wherein determining whether the received portion of the first optical signal includes the current CW wavelength channel comprises: the received portion of the first optical signal is mixed with a local oscillator and a DC detected power is generated.

25. The method for configuring a link of a hardware configuration of claim 20, further comprising:

a) receiving a portion of the second optical signal at the near-end coherent transceiver and determining whether the received portion of the second optical signal includes the current CW wavelength channel;

b) generating a third optical signal including a beacon signal on the current CW wavelength channel with the near-end coherent transceiver and transmitting the generated third optical signal to the far-end coherent transceiver if the received portion of the second optical signal is determined to include the current CW wavelength channel;

c) receiving, at the far-end coherent transceiver, a portion of the third optical signal generated with the far-end coherent transceiver and determining whether the received portion of the third optical signal comprises a beacon signal at the current CW wavelength channel; and

d) if the received portion of the third optical signal is determined to include a beacon signal at the current CW wavelength channel, a fourth optical signal including an RF modulated signal at the current CW wavelength channel is generated at the far-end coherent transceiver and transmitted to the near-end coherent transceiver.

26. A hardware configured optical link between a near-end transceiver and a far-end transceiver, comprising:

a) a far-end transceiver comprising a coherent optical transmitter and a coherent optical receiver;

b) a near-end transceiver, the near-end transceiver comprising:

i) a tunable coherent optical transmitter configured to generate a first optical signal comprising a first scan of continuous wave wavelength channels at a transmitting port;

ii) a coherent optical receiver that receives at a receiving port a portion of the second optical signal generated by the far-end transceiver; and

iii) a processor that instructs the tunable coherent optical transmitter to transmit the RF modulation using the current operating wavelength if the processor determines that the received portion of the second optical signal comprises an unmodulated RF optical signal;

c) a first optical combiner comprising a first port connected to the transmit port and a second port connected to the far-end transceiver; and

d) a second optical combiner including a first port connected to the receive port and a second port connected to the far-end transceiver.

27. The hardware configured optical link of claim 26, wherein at least one of the first optical combiner and the second optical combiner comprises a filter.

28. The hardware configured optical link of claim 26, wherein at least one of the first optical combiner and the second optical combiner comprises a wavelength selective switch.

29. The hardware configured optical link of claim 26, wherein at least one of the first optical combiner and the second optical combiner comprises a passive splitter.

30. The hardware configured optical link of claim 26, wherein at least one of the first optical combiner and the second optical combiner comprises an AWG.

31. A hardware configured optical link between a near-end transceiver and a far-end transceiver, comprising:

a) a far-end transceiver comprising a coherent optical transmitter and a coherent optical receiver;

b) a near-end transceiver, the near-end transceiver comprising:

i) a tunable coherent optical transmitter configured to generate a first optical signal comprising a first scan of continuous wave wavelength channels at a transmitting port;

ii) a coherent optical receiver configured to receive at a receiving port a portion of a second optical signal generated by the far-end transceiver; and

iii) a processor having an input connected to the output of the coherent optical receiver and an output connected to the input of the coherent optical transmitter, the processor configured to: instructing the tunable coherent optical transmitter to transmit the RF modulation using the current operating wavelength if the processor determines that the received portion of the second optical signal comprises an unmodulated RF optical signal;

c) an optical splitter including a first port connected to the transmission port and a second port connected to the reception port; and

d) an optical combiner including an input connected to the third port of the optical splitter and an output connected to the far-end transceiver.

32. The hardware configured optical link of claim 31, wherein the optical combiner comprises a filter.

33. The hardware configured optical link of claim 31, wherein the optical combiner comprises a wavelength selective switch.

34. The hardware configured optical link of claim 31, wherein the optical combiner comprises a passive splitter.

35. The hardware configured optical link of claim 31, wherein the optical combiner comprises an AWG.

36. A method for configuring a hardware configured optical link, the method comprising:

a) generating a first optical signal comprising a slow scan of wavelength channels, the slow scan having a dwell time on a particular wavelength channel;

b) generating a second optical signal comprising a fast scan of wavelength channels, the fast scan having a dwell time on a particular wavelength channel and a full channel scan time, wherein the slow scan dwell time is greater than or equal to the full channel scan time;

c) transmitting a first optical signal comprising a slow scan of wavelength channels over a link;

d) detecting a portion of a first optical signal transmitted over a link;

e) detecting light pulses having a duration equal to or less than the dwell time on the rapidly scanned particular wavelength channel; and

f) in response to detecting an optical pulse of duration equal to the dwell time on the particular wavelength channel of the fast scan and detecting the portion of the first optical signal transmitted over the link, a client data traffic is transmitted over the link.

37. The method of claim 36, wherein detecting the portion of the first optical signal transmitted over the link comprises: and (4) directly detecting.

38. The method of claim 36, wherein detecting the portion of the first optical signal transmitted over the link comprises: and (4) coherent detection.

39. The method of claim 36, wherein detecting a light pulse having a duration equal to a dwell time on a rapidly scanned particular wavelength channel comprises: the generated second optical signal is mixed with a signal from the link.

40. The method of claim 36, wherein detecting a light pulse having a duration equal to a dwell time on a rapidly scanned particular wavelength channel comprises: detection was performed using direct detection.

41. The method of claim 36, wherein detecting a light pulse having a duration equal to a dwell time on a rapidly scanned particular wavelength channel comprises: detection is performed using coherent detection.