CN112865871A - Networking method, networking system and communication method of multi-stage remote equipment - Google Patents
Networking method, networking system and communication method of multi-stage remote equipment Download PDFInfo
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- CN112865871A CN112865871A CN202011632954.6A CN202011632954A CN112865871A CN 112865871 A CN112865871 A CN 112865871A CN 202011632954 A CN202011632954 A CN 202011632954A CN 112865871 A CN112865871 A CN 112865871A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25755—Ring network topology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
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Abstract
The embodiment of the invention discloses a networking method, a networking system and a communication method of multi-stage remote equipment. The networking method is applied to a ring network, and the ring network comprises the following steps: the system comprises a near-end device and a plurality of far-end devices, wherein the far-end devices are sequentially connected through first optical fibers to form a far-end device chain; the far-end equipment at two ends in the far-end equipment chain is connected with the near-end equipment through the first optical fiber to form a ring network; the networking method comprises the following steps: determining a link between the far-end equipment at a non-endpoint in the far-end equipment chain and the near-end equipment as a link to be protected according to the connection relation between the equipments in the ring network; determining a first remote device and a second remote device in the remote device chain according to the link to be protected; determining to connect the first remote device and the second remote device via a second optical fiber. The networking method can improve the stability and reliability of the networking system.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a networking method, a networking system, and a communication method for a multi-stage remote device.
Background
With the rapid development of the fifth Generation Mobile communication (5th Generation Mobile Networks, 5G) technology, the application of the 5G base station is more and more extensive. The remote equipment is monitored and managed through the near-end equipment, and the requirements of a user on remote monitoring and reliable transmission of the equipment can be met.
In the prior art, a networking mode of a ring network is usually adopted, a far-end device is in communication connection with a near-end device through a main link, and when the main link is broken, a standby link is switched to realize communication of the far-end device and the near-end device. However, if the bottom link of the far-end device is abnormal, the time required for switching the standby link is long and the function of the near-end device is affected, so that the error rate of the whole networking system is increased, and the stability and reliability of the whole networking system are reduced.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, embodiments of the present invention provide a networking method, a networking system, and a communication method for a multi-level remote device, which can improve stability and reliability of the networking system.
In a first aspect, an embodiment of the present invention provides a method for networking a multi-stage remote device, where the method is applied to a ring network, and the ring network includes: the system comprises a near-end device and a plurality of far-end devices, wherein the far-end devices are sequentially connected through first optical fibers to form a far-end device chain; the far-end equipment at two ends in the far-end equipment chain is connected with the near-end equipment through the first optical fiber to form a ring network, and the networking method comprises the following steps:
determining a link between the far-end equipment at a non-endpoint in the far-end equipment chain and the near-end equipment as a link to be protected according to the connection relation between the equipments in the ring network;
determining a first remote device and a second remote device in the remote device chain according to the link to be protected;
determining to connect the first remote device and the second remote device via a second optical fiber.
Optionally, the determining a link to be protected according to a connection relationship between devices in the ring network includes:
determining a first chain breakage probability between each far-end device and the near-end device according to the connection relation between the devices in the ring network;
and determining the link corresponding to the maximum chain breakage probability in the first chain breakage probability as the link to be protected.
Optionally, the determining, according to the link to be protected, a first remote device and a second remote device to be connected in the remote device chain includes:
and respectively determining two adjacent remote devices in the link to be protected as the first remote device and the second remote device.
Optionally, the determining two adjacent remote devices in the link to be protected as the first remote device and the second remote device respectively includes:
determining a second link breakage probability between any two adjacent remote devices in the link to be protected according to the connection relation between the devices in the ring network;
and respectively determining the two remote devices corresponding to the maximum chain breakage probability in the second chain breakage probability as the first remote device and the second remote device.
Optionally, the determining, according to the link to be protected, a first remote device and a second remote device to be connected in the remote device chain includes:
determining a standby link corresponding to the link to be protected according to the connection relation between the link to be protected and the equipment in the ring network;
determining the remote device in the link to be protected as the first remote device, and determining the remote device in the standby link as the second remote device; the first remote device and the second remote device are both remote devices at non-endpoints in the link to be protected.
Optionally, the determining the remote device in the link to be protected as the first remote device and the determining the remote device in the standby link as the second remote device includes:
determining the distance between the remote equipment in the link to be protected and the remote equipment in the standby link according to the connection relationship between the link to be protected and the equipment in the ring network;
and respectively determining the two remote devices corresponding to the shortest distance in the distances as the first remote device and the second remote device.
In a second aspect, an embodiment of the present invention provides a networking system for a multi-stage remote device, including: a proximal device, a first optical fiber, a second optical fiber, and a plurality of distal devices;
the plurality of remote devices are sequentially connected through the first optical fibers to form a remote device chain; the far-end equipment at two ends in the far-end equipment chain is connected with the near-end equipment through the first optical fiber to form a ring network;
connecting the first remote device and the second remote device through the second optical fiber; the first remote device and the second remote device are determined from the remote device chain according to a link to be protected, and the link to be protected is a link between a remote device at a non-endpoint in the remote device chain and the near-end device, which is determined according to a connection relationship between devices in the ring network.
In a third aspect, an embodiment of the present invention provides a communication method for a multi-stage remote device, which is applied to a networking system for the multi-stage remote device provided in the second aspect, and the communication method for the multi-stage remote device includes:
the remote equipment to be connected establishes communication connection with the near-end equipment through the main optical fiber;
and if the far-end equipment to be connected is disconnected with the near-end equipment, the far-end equipment to be connected is in communication connection with the near-end equipment through a slave optical fiber.
Optionally, the remote device to be connected establishes a communication connection with the near-end device through a main optical fiber, and includes:
determining the shortest link between the far-end equipment to be connected and the near-end equipment according to the length of the optical fiber between the equipment;
the far-end equipment to be connected establishes communication connection with the near-end equipment through the shortest link; wherein the shortest link comprises the main optical fibre.
Optionally, after the far-end device to be connected establishes a communication connection with the near-end device through a slave optical fiber, the method further includes:
and if the link between the far-end equipment to be connected and the near-end equipment is broken, the far-end equipment to be connected and the near-end equipment establish communication connection through a standby link.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:
in the technical scheme provided by the embodiment of the invention, a link between a far-end device and a near-end device at a non-endpoint in a far-end device chain is determined as a link to be protected according to a connection relation between devices in a ring network, a first far-end device and a second far-end device are determined in the far-end device chain according to the link to be protected, and the first far-end device and the second far-end device are determined to be connected through a second optical fiber, so that an additional link is formed between the far-end device and the near-end device, and when the link between the far-end device and the near-end device at a certain level fails, the far-end device and the near-end device can quickly reestablish connection through the additional link; in addition, a standby link does not need to be switched, and the function of the near-end equipment is not affected, so that the networking method provided by the embodiment of the invention improves the speed of reestablishing the connection between the far-end equipment and the near-end equipment while the function of the near-end equipment is not affected, thereby reducing the error rate of the networking system and improving the stability and reliability of the whole networking system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a ring network according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another ring network according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a networking method for a multi-stage remote device according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a networking method for a multi-stage remote device according to another embodiment of the present invention;
fig. 5 is a schematic flowchart of a networking method for a multi-stage remote device according to another embodiment of the present invention;
fig. 6 is a schematic flowchart of a networking method for a multi-stage remote device according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a networking system of a multi-stage remote device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a networking system of another multi-stage remote device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a networking system of another multi-stage remote device according to an embodiment of the present invention;
fig. 10 is a flowchart illustrating a communication method of a multi-stage remote device according to an embodiment of the present invention;
fig. 11 is a flowchart illustrating a communication method of another multi-stage remote device according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the disclosure, but the disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Fig. 1 is a schematic structural diagram of a ring network according to an embodiment of the present invention, as shown in fig. 1, the ring network includes a near-end device 110 and a plurality of far-end devices 120, the plurality of far-end devices 120 are sequentially connected by a first optical fiber 130 to form a far-end device chain, and the far-end devices 120 at two ends of the far-end device chain are connected with the near-end device 110 by the first optical fiber 130 to form the ring network.
Illustratively, as shown in fig. 1, the ring network includes: the near-end device 110 is connected to the first-level far-end device 120a, the second-level far-end device 120b, and the third-level far-end device 120c in sequence through the first optical fiber 130, and the third-level far-end device 120c is connected to the near-end device 110 through the first optical fiber 130 to form a ring network. The near-end device 110 and each level of the far-end device 120 are connected by two links, one is a main link and the other is a standby link. For example, in fig. 1, the main link between the near-end device 110 and the secondary remote device 120b is the near-end device 110-the primary remote device 120 a-the secondary remote device 120b, and the backup link is the near-end device 110-the tertiary remote device 120 c-the secondary remote device 120b, and when the main link fails, the backup link is enabled.
It should be noted that fig. 2 is a schematic structural diagram of another ring network provided in the embodiment of the present invention, and the ring network may include three remote devices 120 or four remote devices 120 as shown in fig. 1. Or, as shown in fig. 2, the system includes five remote devices 120, the near-end device 110 is sequentially connected to the first-level remote device 120a, the second-level remote device 120b, the third-level remote device 120c, the fourth-level remote device 120d, and the fifth-level remote device 120e through the first optical fiber 130, and the fifth-level remote device 120e is connected to the near-end device 110 through the first optical fiber 130 to form a ring network. The embodiment of the present invention does not specifically limit the number of the remote devices 120 in the ring network.
Fig. 3 is a schematic flow chart of a networking method for a multi-stage remote device according to an embodiment of the present invention, where the method is applied to any one of the ring networks provided in the embodiments, and as shown in fig. 3, the networking method includes the specific steps of:
and S110, determining a link between the far-end equipment at the non-endpoint in the far-end equipment chain and the near-end equipment as a link to be protected according to the connection relation between the equipments in the ring network.
Specifically, in the above embodiment, the connection relationship between the near-end device 110 and the far-end device 120 in the ring network is determined, the far-end device 120 at the endpoint in the far-end device chain is directly connected to the near-end device 110, and a link between the far-end device 120 and the near-end device 110 in the far-end device chain, which is not directly connected to the near-end device 110, is determined as a link to be protected. For example, as shown in fig. 1, the far-end device chain is a primary far-end device 120a, a secondary far-end device 120b, and a tertiary far-end device 120c, where the primary far-end device 120a and the tertiary far-end device 120c at the endpoint are both directly connected to the near-end device 110, and the link to be protected can be determined as the near-end device 110, the primary far-end device 120a, and the secondary far-end device 120 b. As shown in fig. 2, the determined link to be protected is the near-end device 110, the primary far-end device 120a, the secondary far-end device 120b, and the tertiary far-end device 120 c.
And S120, determining a first remote device and a second remote device in the remote device chain according to the link to be protected.
For example, in the above embodiment, it has been determined that the link to be protected is a link from the near-end device 110 to the primary far-end device 120a to the secondary far-end device 120b, it is determined that the primary far-end device 120a is a first far-end device and the secondary far-end device 120b is a second far-end device, or it is determined that the primary far-end device 120a is a first far-end device and the tertiary far-end device 120c is a second far-end device.
S130, determining that the first remote equipment and the second remote equipment are connected through a second optical fiber.
Exemplarily, as in the ring network shown in fig. 1, it is determined that the primary remote device 120a is a first remote device, and the secondary remote device 120b is a second remote device, and it is determined that the primary remote device 120a and the secondary remote device 120b are connected by a second optical fiber. The networking system 100 shown in fig. 7 may be formed by connecting the primary remote device 120a and the secondary remote device 120b via the second optical fiber 140. As shown in fig. 7, two links are formed on the main link side of the secondary remote device 120b and the near-end device 110, wherein the primary remote device 120a and the secondary remote device 120b in the first main link are connected by a first optical fiber 130, and the primary remote device 120a and the secondary remote device 120b in the second main link are connected by a second optical fiber 140.
If the first main link fails, the second main link can be quickly switched to, so that the secondary remote device 120b can quickly reestablish the connection with the near-end device 110; in addition, a backup link does not need to be switched, and the function of the near-end device 110 is not affected, so that the speed of reestablishing the connection between the far-end device 120 and the near-end device 110 can be increased while the function of the near-end device 110 is not affected, the error rate of the networking system can be reduced, and the stability and reliability of the whole networking system can be improved.
In other embodiments, as shown in fig. 2, if it is determined that the secondary remote device 120b is the first remote device and the tertiary remote device 120c is the second remote device, it is determined that the secondary remote device 120b and the tertiary remote device 120c are connected by the second optical fiber. The second remote device 120b and the third remote device 120c are connected by the second optical fiber 140 to form the networking system 100 shown in fig. 9. If it is determined that the secondary remote device 120b is the first remote device and the quaternary remote device 120d is the second remote device, it is determined that the secondary remote device 120b and the quaternary remote device 120d are connected by the second optical fiber. The networking system 100 shown in fig. 10 may be formed by connecting the secondary remote device 120b and the quaternary remote device 120d via the second optical fiber 140.
In the technical scheme provided by the embodiment of the invention, a first far-end device and a second far-end device are determined in a far-end device chain according to a link to be protected, and the first far-end device and the second far-end device are determined to be connected through a second optical fiber, so that an additional link is formed between the far-end device and a near-end device, and when the link between the far-end device and the near-end device at a certain stage fails, the far-end device and the near-end device can quickly reestablish connection through the additional link; in addition, a standby link does not need to be switched, and the function of the near-end equipment is not affected, so that the networking method provided by the embodiment of the invention improves the speed of reestablishing the connection between the far-end equipment and the near-end equipment while the function of the near-end equipment is not affected, thereby reducing the error rate of the networking system and improving the stability and reliability of the whole networking system.
Optionally, fig. 4 is another networking method for a multi-stage remote device according to an embodiment of the present invention, and when S110 is executed, the following steps may be specifically implemented:
and S111, determining a first chain breakage probability between each far-end device and the near-end device according to the connection relation between the devices in the ring network.
Illustratively, in the ring network shown in fig. 1, the link-breaking probability between the near-end device 110 and the primary far-end device 120a, between the primary far-end device 120a and the secondary far-end device 120b, between the secondary far-end device 120b and the tertiary far-end device 120c, and between the tertiary far-end device 120c and the near-end device 110 is the same and 10%. From the connection relationship between the near-end device 110 and the far-end device 120, it can be determined that: the first probability of chain scission P1 of the primary remote device 120a and the proximal device 110 is 0.1+0.1 × 0.9 × 0.1+0.1 × 0.9 × 0.1 × 2.71%, the first probability of chain scission P2 between the secondary remote device 120b and the proximal device 110 is 0.1 × 0.1+0.1 × 0.9.1 +0.1 × 0.1+0.9 × 0.1%, and the probability of chain scission P3 between the tertiary remote device 120c and the proximal device 110 is 0.1+0.1 × 0.9 × 0.1 × 3.61%.
And S112, determining the link corresponding to the maximum chain breakage probability in the first chain breakage probability as the link to be protected.
Specifically, on the basis of the above embodiment, it may be determined that the maximum link failure probability in the first link failure probabilities is 3.61%, and the corresponding link is a link between the near-end device 110 and the secondary far-end device 120b, so that it may be determined that the link to be protected is a link between the near-end device 110, the primary far-end device 120a, and the secondary far-end device 120 b. According to the embodiment of the invention, the link corresponding to the maximum link breakage probability is determined as the link to be protected, so that the link breakage probability of the networking system can be reduced to a greater extent, and the stability of the networking system is improved to a greater extent.
Optionally, when performing S120, an embodiment comprises:
s121, respectively determining two adjacent remote devices in the link to be protected as the first remote device and the second remote device.
Illustratively, as shown in fig. 1, the link to be protected is a near-end device 110-a primary far-end device 120 a-a secondary far-end device 120b, the primary far-end device 120a is adjacent to the secondary far-end device 120b, it is determined that the primary far-end device 120a is a first far-end device, the secondary far-end device 120b is a second far-end device, and the primary far-end device 120a and the secondary far-end device 120b are connected by a second optical fiber 140, so as to form the networking system 100 shown in fig. 7. As shown in fig. 2, the link to be protected is a near-end device 110-a first-stage far-end device 120 a-a second-stage far-end device 120 b-a third-stage far-end device 120c, the first-stage far-end device 120a is adjacent to the second-stage far-end device 120b, and the second-stage far-end device 120b is adjacent to the third-stage far-end device 120c, so that it can be determined that the first-stage far-end device 120a is a first far-end device, the second-stage far-end device 120b is a second far-end device, and the second-stage far-end device 120b and the third-stage far-end. Or determining that the secondary remote device 120b is the first remote device and the tertiary remote device 120c is the second remote device.
Optionally, fig. 5 is a method for networking a multi-stage remote device according to an embodiment of the present invention, where the method shown in fig. 5 may be implemented to implement S121, and the method specifically includes:
s210, according to the connection relation between the devices in the ring network, determining a second chain breakage probability between any two adjacent remote devices in the link to be protected.
Illustratively, as shown in fig. 2, the second link-breaking probability between the primary remote device 120a and the secondary remote device 120b in the link to be protected is 5%, and the second link-breaking probability between the secondary remote device 120b and the tertiary remote device 120c is 10%.
And S220, respectively determining the two remote devices corresponding to the maximum chain breakage probability in the second chain breakage probability as the first remote device and the second remote device.
Specifically, on the basis of the above embodiment, it may be determined that the maximum chain breakage probability in the second chain breakage probability is 10%, and the two corresponding remote devices are the secondary remote device 120b and the tertiary remote device 120c, respectively, so that it may be determined that the secondary remote device 120b is the first remote device and the tertiary remote device 120c is the second remote device. In the embodiment of the present invention, the two remote devices 120 corresponding to the maximum link failure probability in the second link failure probability are determined as the first remote device and the second remote device, so that the link failure probability of the networking system can be reduced to a greater extent, and the stability of the networking system can be improved to a greater extent.
Optionally, when performing S120, another embodiment includes:
and S122, determining a standby link corresponding to the link to be protected according to the connection relation between the link to be protected and the equipment in the ring network.
Illustratively, as shown in fig. 2, the link to be protected is the near-end device 110, the first-level far-end device 120a, the second-level far-end device 120b, and the third-level far-end device 120c, and it can be determined according to the ring network shown in fig. 2 that the standby link corresponding to the link to be protected is the near-end device 110, the fifth-level far-end device 120e, the fourth-level far-end device 120d, and the third-level far-end device 120 c. Therefore, the link to be protected and the corresponding standby link form a complete ring network.
And S123, determining the remote device in the link to be protected as the first remote device, and determining the remote device in the standby link as the second remote device.
The first remote device and the second remote device are both remote devices at non-endpoints in the link to be protected.
Illustratively, as shown in fig. 2, the remote devices at the end points of the link to be protected and the backup link are both the third-level remote device 120c, i.e., the first remote device and the second remote device cannot be the third-level remote device 120 c. Therefore, the secondary remote device 120b in the link to be protected is determined as the first remote device, and the fourth-level remote device 120d in the standby link is determined as the second remote device. The networking system 100 shown in fig. 9 may be formed by connecting the secondary remote device 120b and the quaternary remote device 120d via the second optical fiber 140.
As shown in fig. 9, two links are formed on the main link side of the third-level far-end device 120c and the near-end device 110, wherein the second-level far-end device 120b and the fourth-level far-end device 120d in the first main link are connected by two first optical fibers 130, and the second-level far-end device 120b and the fourth-level far-end device 120d in the second main link are connected by a second optical fiber 140, so that an additional main link can be formed between the far-end device 120 and the near-end device 110.
It should be noted that, in the above embodiment, the secondary remote device 120b is determined as a first remote device and the fourth-level remote device 120d is determined as a second remote device, and in practical application, the primary remote device 120a may also be determined as a first remote device and the fifth-level remote device 120e may also be determined as a second remote device. Correspondingly, the second-level remote device 120b and the fifth-level remote device 120e, or the first-level remote device 120a and the fourth-level remote device 120d, or the first-level remote device 120a and the fifth-level remote device 120e may be connected through the second optical fiber 140.
Optionally, fig. 6 is a further method for networking a multi-stage remote device according to an embodiment of the present invention, where the method shown in fig. 6 may be adopted when executing S123, and specifically includes:
s310, according to the connection relation between the link to be protected and the devices in the ring network, determining the distance between the remote device in the link to be protected and the remote device in the standby link.
Illustratively, as shown in fig. 2, the distance between the first-level remote device 120a in the link to be protected and the fifth-level remote device 120e in the backup link is S1, the distance between the first-level remote device 120a in the link to be protected and the fourth-level remote device 120d in the backup link is S2, the distance between the second-level remote device 120b in the link to be protected and the fifth-level remote device 120e in the backup link is S3, and the distance between the second-level remote device 120b in the link to be protected and the fourth-level remote device 120d in the backup link is S4.
S320, determining two remote devices corresponding to the shortest distance in the distances as the first remote device and the second remote device, respectively.
Illustratively, the distance S1 between the primary remote device 120a and the five-level remote device 120e, the distance S2 between the primary remote device 120a and the four-level remote device 120d, the distance S3 between the secondary remote device 120b and the five-level remote device 120e, and the distance S4 between the secondary remote device 120b and the four-level remote device 120d satisfy S1> S2> S3> S4. The distance between the secondary remote device 120b and the quaternary remote device 120d is the shortest, the secondary remote device 120b is determined as the first remote device, the quaternary remote device 120d is determined as the second remote device, and the length of the second optical fiber connecting the secondary remote device 120b and the quaternary remote device 120d is shorter, so that the length of the optical fiber can be reduced, and the cost of the networking system can be reduced.
An embodiment of the present invention further provides a networking system of a multi-stage remote device, as shown in fig. 7 to 9, the networking system 100 includes: a proximal device 110, a first optical fiber 130, a second optical fiber 140, and a plurality of distal devices 120.
The plurality of remote devices 120 are sequentially connected through the first optical fiber 130 to form a remote device chain, the remote devices 120 at two ends of the remote device chain are connected with the near-end device 110 through the first optical fiber 130 to form a ring network, and are connected with the first remote device and the second remote device through the second optical fiber 140.
The first remote device and the second remote device are determined from a remote device chain according to a link to be protected, and the link to be protected is a link between the remote device 120 and the near-end device 110 at a non-endpoint in the remote device chain determined according to a connection relationship between devices in the ring network.
Illustratively, as shown in fig. 7, the networking system 100 includes: a proximal device 110, a first optical fiber 130, a second optical fiber 140, and three distal devices 120. The near-end device 110 is connected to the first-stage far-end device 120a, the second-stage far-end device 120b, and the third-stage far-end device 120c in sequence through the first optical fiber 130, and the third-stage far-end device 120c is connected to the near-end device 110 through the first optical fiber 130 to form a ring network.
The far-end device chain is a primary far-end device 120a, a secondary far-end device 120b and a tertiary far-end device 120c, wherein the primary far-end device 120a and the tertiary far-end device 120c at the end point are both directly connected with the near-end device 110, the link to be protected can be determined to be the link of the near-end device 110, the primary far-end device 120a and the secondary far-end device 120b, the primary far-end device 120a is determined to be a first far-end device, the secondary far-end device 120b is determined to be a second far-end device, and then the primary far-end device 120a and the secondary far-end device 120b are connected through a second. Thus, two links are formed on the primary link side of the secondary remote unit 120b and the near-end unit 110, wherein the primary remote unit 120a and the secondary remote unit 120b in the first primary link are connected by the first optical fiber 130, and the primary remote unit 120a and the secondary remote unit 120b in the second primary link are connected by the second optical fiber 140.
If the first main link fails, the second main link can be quickly switched to, so that the secondary remote device 120b can quickly reestablish the connection with the near-end device 110; in addition, a backup link does not need to be switched, and the function of the near-end device 110 is not affected, so that the speed of reestablishing the connection between the far-end device 120 and the near-end device 110 can be increased while the function of the near-end device 110 is not affected, the error rate of the networking system can be reduced, and the stability and reliability of the whole networking system can be improved.
It should be noted that the networking system 100 may further include five far-end devices 120, as shown in fig. 8 and fig. 9, the near-end device 110 is sequentially connected to the first-stage far-end device 120a, the second-stage far-end device 120b, the third-stage far-end device 120c, the fourth-stage far-end device 120d, and the fifth-stage far-end device 120e through the first optical fiber 130, and the fifth-stage far-end device 120e and the near-end device 110 form a ring network. Alternatively, the networking system 100 may also include four remote devices 120, or a plurality of remote devices 120.
It should be further noted that the first remote device and the second remote device may be two adjacent remote devices 120 in the link to be protected, as shown in fig. 7 and 8. It may also be that the first remote device is located in the link to be protected, the second remote device is located in the standby link corresponding to the link to be protected, and both the first remote device and the second remote device are remote devices 120 at non-end points in the link to be protected, as shown in fig. 9.
In the technical scheme provided by the embodiment of the invention, a plurality of far-end devices are sequentially connected through a first optical fiber to form a far-end device chain, the far-end devices at two ends in the far-end device chain are connected with a near-end device through the first optical fiber to form a ring network, a link to be protected between the far-end device at a non-endpoint in the far-end device chain and the near-end device is determined according to the connection relation between the devices in the ring network, a first far-end device and a second far-end device are determined in the far-end device chain according to the link to be protected, the first far-end device and the second far-end device are determined to be connected through the second optical fiber, so that an additional link is formed between the far-end device and the near-end device, and when the link between a certain level of far-end device and the near-end device fails, the far-end device and the near-; in addition, a standby link does not need to be switched, and the function of the near-end equipment is not affected, so that the networking method provided by the embodiment of the invention improves the speed of reestablishing the connection between the far-end equipment and the near-end equipment while the function of the near-end equipment is not affected, thereby reducing the error rate of the networking system and improving the stability and reliability of the whole networking system.
The embodiment of the present invention further provides a communication method for a multi-stage remote device, which is applied to the networking system 100 of any one of the multi-stage remote devices provided in the above embodiments. Fig. 10 is a communication method of a multi-stage remote device according to an embodiment of the present invention, which includes the following specific steps:
and S410, the far-end equipment to be connected establishes communication connection with the near-end equipment through the main optical fiber.
Illustratively, as shown in fig. 7, the remote device to be connected is a secondary remote device 120b, and the secondary remote device 120b establishes a communication connection with the near-end device 110. The secondary remote device 120b establishes a communication connection with the near-end device 110 through the first optical fiber 130 and the primary remote device 120a, and at this time, the primary remote device 120a and the secondary remote device 120b are in communication connection through the first optical fiber 130, that is, the first optical fiber 130 between the primary remote device 120a and the secondary remote device 120b is a main optical fiber.
In other embodiments, it is also possible that the secondary remote device 120b establishes a communication connection with the near-end device 110 through the second optical fiber 140 and the primary remote device 120a, and at this time, the primary remote device 120a and the secondary remote device 120b are in a communication connection through the second optical fiber 140, that is, the second optical fiber 140 between the primary remote device 120a and the secondary remote device 120b is a main optical fiber.
And S420, if the far-end equipment to be connected is disconnected with the near-end equipment, the far-end equipment to be connected is in communication connection with the near-end equipment through the slave optical fiber.
Based on the above embodiment, if the first optical fiber 130 between the primary remote device 120a and the secondary remote device 120b is a main optical fiber, the secondary remote device 120b establishes a communication connection with the near-end device 110 sequentially through the main optical fiber, the primary remote device 120a, and the first optical fiber 130. When the secondary far-end device 120b is disconnected from the near-end device 110, the slave optical fiber is activated, that is, the secondary far-end device 120b establishes a communication connection with the primary far-end device 120a through the second optical fiber 140, and the secondary far-end device 120b establishes a communication connection with the slave optical fiber, the primary far-end device 120a and the first optical fiber 130 in sequence. If the second optical fiber 140 between the primary remote device 120a and the secondary remote device 120b is a main optical fiber, the secondary remote device 120b establishes a communication connection with the near-end device 110 by sequentially passing through the main optical fiber, the primary remote device 120a, and the first optical fiber 130. When the secondary far-end device 120b is disconnected from the near-end device 110, the slave optical fiber is activated, that is, the secondary far-end device 120b establishes a communication connection with the primary far-end device 120a through the first optical fiber 130, and the secondary far-end device 120b establishes a communication connection with the slave optical fiber, the primary far-end device 120a and the first optical fiber 130 in sequence. According to the embodiment of the invention, the communication connection between the far-end equipment to be connected and the near-end equipment can be reestablished through the optical fiber, so that the signal transmission abnormity generated by broken link of the networking system can be quickly recovered.
Optionally, fig. 11 is a specific implementation manner of executing S410 of a further communication method of a multi-stage remote device according to an embodiment of the present invention, as shown in fig. 11, including:
s411, determining the shortest link between the far-end equipment and the near-end equipment to be connected according to the length of the optical fiber between the equipment.
Illustratively, as shown in fig. 9, the remote device to be connected is a third-level remote device 120c, the first main link between the third-level remote device 120c and the near-end device 110 is the near-end device 110-the first-level remote device 120 a-the second-level remote device 120 b-the third-level remote device 120c, and the second main link is the near-end device 110-the first-level remote device 120 a-the second-level remote device 120 b-the fourth-level remote device 120 d-the third-level remote device 120 c. The length of the optical fiber between the secondary remote device 120b and the tertiary remote device 120c is smaller than the sum of the length of the optical fiber between the secondary remote device 120b and the quaternary remote device 120d and the length of the optical fiber between the quaternary remote device 120d and the tertiary remote device 120c, so that the first main link is determined to be the shortest link between the tertiary remote device 120c and the near-end device 110.
And S412, the far-end device to be connected establishes communication connection with the near-end device through the shortest link.
Wherein the shortest link comprises the main optical fibre.
Based on the above embodiment, the third-level remote device 120c establishes a communication connection with the near-end device 110 through the first main link, and the main optical fiber is the first optical fiber 130 between the second-level remote device 120b and the third-level remote device 120 c. If the first main link is broken, the third-stage remote device 120c establishes a communication connection with the near-end device 110 via the second main link, and the slave optical fiber includes the second optical fiber 140.
The embodiment of the invention establishes the communication connection between the far-end equipment to be connected and the near-end equipment through the shortest link, and can improve the speed of establishing the communication connection between the far-end equipment to be connected and the near-end equipment.
As another specific embodiment for executing S411, the third-stage remote device 120c may also randomly select to establish a communication connection with the near-end device 110 through the first optical fiber 130, or the third-stage remote device 120c randomly selects to establish a communication connection with the near-end device 110 through the second optical fiber 140.
Optionally, with continued reference to fig. 10, after executing S420, the method further includes:
and S430, if the link between the far-end equipment to be connected and the near-end equipment is broken, the far-end equipment to be connected and the near-end equipment establish communication connection through a standby link.
Specifically, if the link is broken after the tertiary remote device 120c establishes a communication connection with the near-end device 110 through the slave optical fiber, the backup link is activated, and the tertiary remote device 120c establishes a communication connection with the near-end device 110 through the backup link. The remote device to be connected can still establish communication connection with the near-end device 110 when the main link fails, so as to ensure the stability and reliability of the networking system.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A networking method of a multi-stage remote device is applied to a ring network, and the ring network comprises the following steps: the system comprises a near-end device and a plurality of far-end devices, wherein the far-end devices are sequentially connected through first optical fibers to form a far-end device chain; the far-end equipment at two ends in the far-end equipment chain is connected with the near-end equipment through the first optical fiber to form a ring network, and the networking method comprises the following steps:
determining a link between the far-end equipment at a non-endpoint in the far-end equipment chain and the near-end equipment as a link to be protected according to the connection relation between the equipments in the ring network;
determining a first remote device and a second remote device in the remote device chain according to the link to be protected;
determining to connect the first remote device and the second remote device via a second optical fiber.
2. The method according to claim 1, wherein determining a link to be protected according to a connection relationship between devices in the ring network comprises:
determining a first chain breakage probability between each far-end device and the near-end device according to the connection relation between the devices in the ring network;
and determining the link corresponding to the maximum chain breakage probability in the first chain breakage probability as the link to be protected.
3. The method for networking multi-stage remote devices according to claim 1 or 2, wherein the determining, in the chain of remote devices, a first remote device and a second remote device to be connected according to the link to be protected comprises:
and respectively determining two adjacent remote devices in the link to be protected as the first remote device and the second remote device.
4. The method according to claim 3, wherein the determining two adjacent remote devices in the link to be protected as the first remote device and the second remote device respectively comprises:
determining a second link breakage probability between any two adjacent remote devices in the link to be protected according to the connection relation between the devices in the ring network;
and respectively determining the two remote devices corresponding to the maximum chain breakage probability in the second chain breakage probability as the first remote device and the second remote device.
5. The method for networking multi-stage remote devices according to claim 1 or 2, wherein the determining, in the chain of remote devices, a first remote device and a second remote device to be connected according to the link to be protected comprises:
determining a standby link corresponding to the link to be protected according to the connection relation between the link to be protected and the equipment in the ring network;
determining the remote device in the link to be protected as the first remote device, and determining the remote device in the standby link as the second remote device; the first remote device and the second remote device are both remote devices at non-endpoints in the link to be protected.
6. The method for networking multi-stage remote devices according to claim 5, wherein the determining the remote device in the link to be protected as the first remote device and the remote device in the backup link as the second remote device comprises:
determining the distance between the remote equipment in the link to be protected and the remote equipment in the standby link according to the connection relationship between the link to be protected and the equipment in the ring network;
and respectively determining the two remote devices corresponding to the shortest distance in the distances as the first remote device and the second remote device.
7. A networking system for a multi-stage remote device, comprising: a proximal device, a first optical fiber, a second optical fiber, and a plurality of distal devices;
the plurality of remote devices are sequentially connected through the first optical fibers to form a remote device chain; the far-end equipment at two ends in the far-end equipment chain is connected with the near-end equipment through the first optical fiber to form a ring network;
connecting the first remote device and the second remote device through the second optical fiber; the first remote device and the second remote device are determined from the remote device chain according to a link to be protected, and the link to be protected is a link between a remote device at a non-endpoint in the remote device chain and the near-end device, which is determined according to a connection relationship between devices in the ring network.
8. A communication method of a multi-stage remote device, applied to the networking system of the multi-stage remote device of claim 7, the communication method of the multi-stage remote device comprising:
the remote equipment to be connected establishes communication connection with the near-end equipment through the main optical fiber;
and if the far-end equipment to be connected is disconnected with the near-end equipment, the far-end equipment to be connected is in communication connection with the near-end equipment through a slave optical fiber.
9. The communication method of the multi-stage remote device according to claim 8, wherein the remote device to be connected establishes a communication connection with the near-end device through a main optical fiber, and comprises:
determining the shortest link between the far-end equipment to be connected and the near-end equipment according to the length of the optical fiber between the equipment;
the far-end equipment to be connected establishes communication connection with the near-end equipment through the shortest link; wherein the shortest link comprises the main optical fibre.
10. The multi-stage communication method for the remote device according to claim 9, wherein after the remote device to be connected establishes a communication connection with the near-end device through the slave optical fiber, the method further comprises:
and if the link between the far-end equipment to be connected and the near-end equipment is broken, the far-end equipment to be connected and the near-end equipment establish communication connection through a standby link.
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2222165A1 (en) * | 1995-06-07 | 1996-12-19 | Mci Communications Corporation | System and method for resolving substantially simultaneous bi-directional requests of spare capacity |
| CN1274210A (en) * | 1999-05-17 | 2000-11-22 | 深圳市华为技术有限公司 | Communication link protection method for chain-type optical fibre network |
| CN1567749A (en) * | 2003-06-18 | 2005-01-19 | 华为技术有限公司 | A passive optical looped network system and broken circuit protecting method |
| CN1567750A (en) * | 2003-06-18 | 2005-01-19 | 华为技术有限公司 | A far-end equipment of passive optical looped network system and method for switching subsystem |
| US20060257151A1 (en) * | 2005-04-07 | 2006-11-16 | Alcatel | (D) WDM communications network using back-up light sources |
| CN101155108A (en) * | 2006-09-30 | 2008-04-02 | 华为技术有限公司 | An Automatic Protection Ring Switching Method |
| CN201341240Y (en) * | 2008-12-30 | 2009-11-04 | 珠海银邮光电技术发展股份有限公司 | Loop guard repeater system |
| CN101771456A (en) * | 2010-01-08 | 2010-07-07 | 京信通信系统（中国）有限公司 | Annular repeater system and network fault repairing method thereof |
| CN201611885U (en) * | 2010-01-05 | 2010-10-20 | 福建三元达通讯股份有限公司 | Digital radio-frequency zooming-out device with a light ring path self-healing function |
| CN101938319A (en) * | 2009-07-01 | 2011-01-05 | 中国移动通信集团广西有限公司 | A passive optical network ring network system and signal transmission method |
| CN102611503A (en) * | 2011-12-26 | 2012-07-25 | 深圳市虹远通信有限责任公司 | Optical fiber network system |
| CN102684810A (en) * | 2012-01-18 | 2012-09-19 | 徐志国 | Optical network protection method, optical link switching control device and optical link switching control system |
| CN102684780A (en) * | 2012-02-27 | 2012-09-19 | 武汉市普林电子有限责任公司 | Optical network protecting method and optical fiber line switching equipment |
| WO2012167590A1 (en) * | 2011-06-07 | 2012-12-13 | 京信通信系统（中国）有限公司 | Digital repeater indoor coverage system applying cat5e cable hybrid networking |
| CN103391133A (en) * | 2012-05-09 | 2013-11-13 | 张立洁 | Digital optical fiber repeater system capable of carrying out annular networking self-healing and data communication method thereof |
| CN103595478A (en) * | 2013-11-01 | 2014-02-19 | 南京泰通科技有限公司 | High-reliability GSM-R digital optical fiber repeater and working method thereof |
| CN104917562A (en) * | 2015-05-29 | 2015-09-16 | 上海邮电设计咨询研究院有限公司 | Data self-healing ring network organizing system based on optical fiber transmission |
| CN109450526A (en) * | 2018-12-14 | 2019-03-08 | 重庆邮电大学 | A kind of fault protecting method based on distant-end node pretection switch |
-
2020
- 2020-12-31 CN CN202011632954.6A patent/CN112865871B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2222165A1 (en) * | 1995-06-07 | 1996-12-19 | Mci Communications Corporation | System and method for resolving substantially simultaneous bi-directional requests of spare capacity |
| CN1274210A (en) * | 1999-05-17 | 2000-11-22 | 深圳市华为技术有限公司 | Communication link protection method for chain-type optical fibre network |
| CN1567749A (en) * | 2003-06-18 | 2005-01-19 | 华为技术有限公司 | A passive optical looped network system and broken circuit protecting method |
| CN1567750A (en) * | 2003-06-18 | 2005-01-19 | 华为技术有限公司 | A far-end equipment of passive optical looped network system and method for switching subsystem |
| US20060257151A1 (en) * | 2005-04-07 | 2006-11-16 | Alcatel | (D) WDM communications network using back-up light sources |
| CN101155108A (en) * | 2006-09-30 | 2008-04-02 | 华为技术有限公司 | An Automatic Protection Ring Switching Method |
| CN201341240Y (en) * | 2008-12-30 | 2009-11-04 | 珠海银邮光电技术发展股份有限公司 | Loop guard repeater system |
| CN101938319A (en) * | 2009-07-01 | 2011-01-05 | 中国移动通信集团广西有限公司 | A passive optical network ring network system and signal transmission method |
| CN201611885U (en) * | 2010-01-05 | 2010-10-20 | 福建三元达通讯股份有限公司 | Digital radio-frequency zooming-out device with a light ring path self-healing function |
| CN101771456A (en) * | 2010-01-08 | 2010-07-07 | 京信通信系统（中国）有限公司 | Annular repeater system and network fault repairing method thereof |
| WO2012167590A1 (en) * | 2011-06-07 | 2012-12-13 | 京信通信系统（中国）有限公司 | Digital repeater indoor coverage system applying cat5e cable hybrid networking |
| CN102611503A (en) * | 2011-12-26 | 2012-07-25 | 深圳市虹远通信有限责任公司 | Optical fiber network system |
| CN102684810A (en) * | 2012-01-18 | 2012-09-19 | 徐志国 | Optical network protection method, optical link switching control device and optical link switching control system |
| CN102684780A (en) * | 2012-02-27 | 2012-09-19 | 武汉市普林电子有限责任公司 | Optical network protecting method and optical fiber line switching equipment |
| CN103391133A (en) * | 2012-05-09 | 2013-11-13 | 张立洁 | Digital optical fiber repeater system capable of carrying out annular networking self-healing and data communication method thereof |
| CN103595478A (en) * | 2013-11-01 | 2014-02-19 | 南京泰通科技有限公司 | High-reliability GSM-R digital optical fiber repeater and working method thereof |
| CN104917562A (en) * | 2015-05-29 | 2015-09-16 | 上海邮电设计咨询研究院有限公司 | Data self-healing ring network organizing system based on optical fiber transmission |
| CN109450526A (en) * | 2018-12-14 | 2019-03-08 | 重庆邮电大学 | A kind of fault protecting method based on distant-end node pretection switch |
Non-Patent Citations (1)
| Title |
|---|
| 卢麟: "下一代光缆网监测系统", 《军事通信技术》 * |
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