CN111698019A - Resource pool architecture measurement and control station network system based on routing table - Google Patents
Resource pool architecture measurement and control station network system based on routing table Download PDFInfo
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- CN111698019A CN111698019A CN202010365270.8A CN202010365270A CN111698019A CN 111698019 A CN111698019 A CN 111698019A CN 202010365270 A CN202010365270 A CN 202010365270A CN 111698019 A CN111698019 A CN 111698019A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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Abstract
The invention relates to a resource pool framework station network system based on a measurement and control routing table, which comprises L stations, wherein L is more than or equal to 2, and the system comprises a master station and slave stations, each station comprises an equipment monitoring module, a measurement and control channel resource pool and a baseband resource pool, and the master station also comprises a resource scheduling module besides the equipment monitoring module, the measurement and control channel resource pool and the baseband resource pool; the method comprises the steps that each site equipment monitoring module knows the resource allocation state of a site by maintaining a local measurement and control routing table and reports the local measurement and control routing table to a resource scheduling module of a master station, the resource scheduling module of the master station knows the resource allocation state of the whole station network measurement and control system by the measurement and control routing tables of the sites, and the master station of the master station not only summarizes the measurement and control routing tables of the measurement and control stations, but also initiatively initiates a measurement and control resource configuration task when finding that any measurement and control link is missing according to the measurement and control link configuration principle of each satellite. The invention enables the ground measurement and control system to have the dynamic acquisition capability of the measurement and control route.
Description
Technical Field
The invention belongs to the field of on-orbit management of space spacecrafts, and particularly relates to a resource pool architecture measurement and control station network system based on a routing table.
Background
The traditional ground measurement and control system architecture design usually adopts a mode of 'transmitting a new satellite and building a set of measurement and control system', namely, the measurement and control system uses a single satellite as a unit and enlarges the scale in a building block mode, and the top-level design of full optimization from the perspective of measurement and control requirements of the whole fleet is lacked. The direct result is that as the number of satellites increases, the ground measurement and control systems are enlarged in a building block manner, but the measurement and control systems of the satellites are independent from each other, and although the equipment amount in the measurement and control system is large on the whole, the support and guarantee capability of a single satellite is not improved. The satellite measurement and control systems are similar, cannot be compatible and support each other, and sometimes bring inconvenience to operation and maintenance.
Disclosure of Invention
The technical problem solved by the invention is as follows: the utility model provides a resource pool framework measurement and control station network system based on routing table, makes ground measurement and control system possess the ability of observing and controlling route dynamic acquisition, provides basic technical support for ground measurement and control system autonomous maintenance, dynamic routing management and full automatization operation.
The technical scheme of the invention is as follows: a resource pool architecture measurement and control station network system based on a routing table comprises L sites, wherein L is more than or equal to 2, one site is used as a master site, the other sites are slave sites, each site comprises an equipment monitoring module, a measurement and control channel resource pool and a baseband resource pool, and the master site comprises a resource scheduling module besides the equipment monitoring module, the measurement and control channel resource pool and the baseband resource pool; the unit resource of the measurement and control channel resource pool is a measurement and control link composed of an antenna, a low noise amplifier, a down converter, an up converter and a power amplifier; the unit resources in the baseband resource pool are independent baseband channels with remote control or remote measurement capability and are divided into remote measurement unit resources and remote control unit resources; the unit resources of the measurement and control channel resource pool are connected with the remote measurement unit resources of the baseband resource pool through a downlink switch matrix to form a downlink measurement and control route; the unit resources of the measurement and control channel resource pool are connected with the remote control unit resources of the baseband resource pool through an uplink switch matrix to form an uplink measurement and control route; the downlink measurement and control routes and the uplink measurement and control routes are collectively called as measurement and control routes, each station equipment monitoring module knows the resource allocation state of a station by maintaining a local measurement and control route table and reports the local measurement and control route table to a resource scheduling module of a main station, the main station resource scheduling module knows the resource allocation state of the whole station network measurement and control system by summarizing the measurement and control route tables of each station, and according to the configuration principle of each satellite measurement and control link, when any measurement and control link is found to be absent, a measurement and control resource configuration task is actively initiated;
the measurement and control routing table comprises the following fields: measuring and controlling a link number, a remote control or remote measuring zone bit, a mode zone bit, satellite ID information, baseband channel ID information, instruction ID information and a link uplink on-off state zone bit;
the measurement and control channel link number is used for representing the combination of the unit resource utilization equipment number of the measurement and control channel resource pool in the measurement and control route;
the remote control or remote measurement flag bit is used for indicating that the measurement and control route is used for remote measurement or remote control function;
the mode flag bit is used for indicating the working modes of the antenna used by the unit resource of the measurement and control channel resource pool, and the working modes comprise a simplex working mode and a duplex working mode;
satellite ID information used for representing the satellite identification number served by the measurement and control route;
the base band channel ID information is used for representing a unique identification number corresponding to a base band unit resource in a base band resource pool in the measurement and control route;
instruction ID information used for representing remote control frequency point information and antenna polarization state;
and the link uplink on-off state zone bit is used for indicating whether the uplink of the measurement and control channel has power output.
The resource pool architecture measurement and control station network system based on the routing table also comprises a backup of the main station, which is recorded as a backup main station, the backup main station collects the measurement and control routing tables of all stations to know the resource distribution state of the whole station network measurement and control system, and simultaneously monitors the working state of the main station, and once the main station works abnormally, the backup main station is automatically switched to the main station and takes over all the work of the main station.
The monitoring module of each station equipment determines the state of the downlink measurement and control route by the following method: traversing the telemetering unit resources in the baseband resource pool, and executing the following steps for each telemetering unit resource:
(1.1) acquiring baseband channel ID information of the telemetering unit resource;
(1.2) filling in remote control and telemetry flag bits as follows: remote measuring;
(1.3) decoding telemetry information obtained by the current telemetry unit resource to obtain satellite ID information;
(1.4) acquiring the measurement and control link number of the unit resource of the measurement and control channel resource pool connected with the current telemetering unit resource according to the connection relation of the downlink switch matrix;
(1.5) acquiring an antenna number from the measurement and control link number, and indexing the antenna attribute to acquire a mode flag bit;
(1.6) nulling the instruction ID information;
(1.7) giving a null value to the uplink on-off state zone bit of the link;
and (1.8), storing the routing state field information of the downlink measurement and control routing obtained in the steps (1.1) to (1.7) into a measurement and control routing table.
The monitoring module of each station equipment determines the uplink measurement and control routing state by the following method: traversing the remote control unit resources in the baseband resource pool, and executing the following steps for each remote control unit resource:
(2.1) obtaining baseband channel ID information of remote control unit resources;
(2.2) filling the remote control/remote measurement flag bits as follows: remote control;
(2.3) acquiring the measurement and control channel link number of the measurement and control channel resource pool unit resource connected with the current remote control unit resource according to the connection relation of the uplink switch matrix;
(2.4) acquiring the number of the up-conversion equipment or the power amplifier from the number of the measurement and control link, indexing remote control frequency point information through the up-conversion equipment or the power amplifier, detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, and combining the remote control frequency point information and the antenna polarization state to fill instruction ID information;
(2.5) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
(2.6) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(2.7) inquiring the existing measurement and control routing table, judging whether a routing state record consistent with the link number of the measurement and control channel in the step (2.3) exists in the existing measurement and control routing table, if so, obtaining satellite ID information through the routing record, and entering the step (2.8); otherwise, the uplink measurement and control route is considered to be invalid, and the determination process of the uplink measurement and control route state is finished;
and (2.8) judging whether the same record exists in the measurement and control routing table by using the baseband channel ID information, the remote control or remote measurement zone bit, the measurement and control link number and the instruction ID information obtained in the steps (2.1) to (2.4), the mode zone bit obtained in the step (2.6) and the satellite ID information obtained in the step (2.7) as keywords, if not, adding an uplink measurement and control routing record to determine the uplink measurement and control routing state, if so, updating the actual uplink on-off state of the link, and finishing the routing state confirmation process.
The monitoring module of each station equipment determines the uplink measurement and control routing state and the downlink measurement and control routing state by the following method:
(3.1) traversing unit resources of the measurement and control channel to obtain a link number of the measurement and control channel;
(3.2) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(3.3) determining baseband channel ID information corresponding to the measurement and control channel link number according to the input and output connection relation in the downlink switch matrix;
(3.4) decoding the telemetering information of the corresponding baseband unit resource (3.3) to obtain satellite ID information;
(3.5) searching keywords in the measurement and control routing table, wherein the keywords comprise measurement and control link numbers, telemetry flag bits, mode flag bits, satellite ID information and baseband channel ID information; judging whether a record with the same field as the content obtained in the steps (3.1) to (3.4) exists or not, if not, adding a new downlink measurement and control route record, combining the information obtained in the steps (3.1) to (3.4), the instruction ID information after the null value is assigned and the uplink on-off state flag bit information of the link, recording the combined information in a measurement and control route table, determining the downlink measurement and control route state, and entering the step (3.6); if yes, ending the route state confirmation process;
(3.6) determining baseband channel ID information which is connected with the number of the measurement and control channel and belongs to the baseband remote control unit resource according to the input and output connection relation in the uplink switch matrix;
(3.7) acquiring up-conversion equipment or a power amplifier from the measurement and control link number, inquiring remote control frequency point information, detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, combining the remote control frequency point information and the antenna polarization state, and filling instruction ID information;
(3.8) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
(3.9) the measurement and control link number, the remote control flag bit, the mode flag bit and the satellite ID information obtained in the steps (3.1) to (3.4) are used, the baseband channel ID information belonging to the baseband remote control unit resource obtained in the step (3.6) is used, the instruction ID information obtained in the step (3.7) is used as a keyword, whether the same record exists in the measurement and control routing table is judged, if not, an uplink measurement and control routing record is newly added, and therefore the uplink measurement and control routing state is determined; and if so, updating the actual uplink on-off state of the link, and ending the route state confirmation process.
The determination process of the uplink measurement and control route state and the downlink measurement and control route state of each station equipment monitoring module is driven by three modes of time, event and query;
the fixed time reporting means reporting every fixed time;
the event-driven reporting means that the locally maintained measurement and control routing table is reported after being changed;
the inquiry drive reporting means that each station equipment monitoring module reports after receiving a route information refreshing request sent by the head station resource scheduling module.
The base band resource pool comprises N base band devices, each base band device is provided with M configurable base band boards, the configurable base band boards are used for being configured into a remote control uplink channel or a remote control downlink base band channel, the base band devices are distinguished through IP information, the configurable base band boards are distinguished through device port numbers, and base band channel ID information of base band unit resources is represented by the IP information and the port numbers.
When the up-converter device is a configuration register readable up-converter, the remote control frequency point information is stored in the up-converter frequency register.
When the up-conversion equipment is a built-in up-conversion type power amplifier, the remote control frequency point information is stored in a power amplifier frequency register.
The low noise amplifier, the down converter, the up converter or the power amplifier are redundancy backup equipment.
The measurement and control link configuration principle of each satellite is as follows: for each satellite, at least one uplink measurement and control route state record and two downlink remote measurement and control route state records from different antennas are included. Compared with the prior art, the invention has the beneficial effects that:
(1) compared with the prior typical method of deploying 6 base bands in different places (each base band comprises 1 path of remote control processing unit, 2 paths of remote measurement processing units, 4 working stations and 2 emergency backups), the method only can serve 2 satellites, on the premise of meeting the same reliability, the 6 base bands with the same configuration can serve 4 satellites, and simultaneously, as the number N of the service satellites increases, the utilization rate of hardware resources is improved to N/(N +2) from N/(2N +2) realized by the prior art, and the utilization rate of the hardware resources tends to be improved by 100%.
(2) The invention adopts the method of traversing the unit resource in the measurement and control channel resource pool or traversing the unit resource in the baseband resource pool, realizes the automatic analysis and collection of the measurement and control route, replaces the manual analysis process of the measurement and control route, enables the ground measurement and control system to have the dynamic acquisition capability of the measurement and control route, and provides basic technical support for the autonomous maintenance, dynamic route management and full-automatic operation of the ground measurement and control system.
(3) The invention shortens the time for acquiring the routing information of the whole system and is convenient for the capacity expansion of the newly added station by automatically analyzing and acquiring the distributed parallelized routing information.
Drawings
FIG. 1 is a resource pool unit resource configuration diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to a resource pool and a measurement and control routing table.
As shown in fig. 1, the present invention provides a resource pool architecture station network system based on a measurement and control routing table, the system includes L measurement stations, L is greater than or equal to 2, one of the stations is a master station, the other station is a backup master station, and the other stations are slave stations, each station includes an equipment monitoring module, a measurement and control channel resource pool and a baseband resource pool, the master station includes a resource scheduling module in addition to the equipment monitoring module, the measurement and control channel resource pool and the baseband resource pool; the unit resource of the measurement and control channel resource pool is a measurement and control link composed of an antenna, a low noise amplifier, a down converter, an up converter and a power amplifier; the unit resources in the baseband resource pool are independent baseband channels with remote control or remote measurement capability and are divided into remote measurement unit resources and remote control unit resources; the unit resources of the measurement and control channel resource pool are connected with the remote measurement unit resources of the baseband resource pool through a downlink switch matrix to form a downlink measurement and control route; the unit resources of the measurement and control channel resource pool are connected with the remote control unit resources of the baseband resource pool through an uplink switch matrix to form an uplink measurement and control route; the downlink measurement and control routes and the uplink measurement and control routes are collectively called measurement and control routes, each station equipment monitoring module knows the resource allocation state of a station by maintaining a local measurement and control route table and reports the local measurement and control route table to a resource scheduling module of a main station, and the main station resource scheduling module knows the resource allocation state of the whole station network measurement and control system by each station measurement and control route table; the main station of the main station not only summarizes the measurement and control routing tables of each measurement station, but also actively initiates a measurement and control resource configuration task when finding that any measurement and control link is missing according to the measurement and control link configuration principle of each satellite, backups the measurement and control routing tables of each station, but does not initiate a resource scheduling task, simultaneously monitors the working state of the main station, and automatically switches to be the main station and takes over all the work of the main station once the main station works abnormally; the local station monitoring of the L stations can process local station measurement and control routing information in parallel, the whole system routing acquisition time is only reflected on the slowest measuring station, and the system capacity expansion has little influence on the analysis and acquisition efficiency of the global measurement and control routing table.
The measurement and control routing table comprises the following fields: measuring and controlling a link number, a remote control or remote measuring zone bit, a mode zone bit, satellite ID information, baseband channel ID information, instruction ID information and a link uplink on-off state zone bit;
the measurement and control channel link number is used for representing the combination of the unit resource utilization equipment number of the measurement and control channel resource pool in the measurement and control route;
the remote control or remote measurement flag bit is used for indicating that the measurement and control route is used for remote measurement or remote control function;
the mode flag bit is used for indicating the working modes of the antenna used by the unit resource of the measurement and control channel resource pool, and the working modes comprise a simplex working mode and a duplex working mode;
satellite ID information used for representing the satellite identification number served by the measurement and control route;
the base band channel ID information is used for representing a unique identification number corresponding to a base band unit resource in a base band resource pool in the measurement and control route;
instruction ID information used for representing remote control frequency point information and antenna polarization state;
and the link uplink on-off state zone bit is used for indicating whether the uplink of the measurement and control channel has power output.
Based on the system, the invention provides two methods for determining the measurement and control routing state:
the first method is named as a baseband channel ID traversal method, and specifically comprises the following steps:
the monitoring module of each station equipment determines the state of the downlink measurement and control route by the following method: traversing the telemetering unit resources in the baseband resource pool, and executing the following steps for each telemetering unit resource:
(1.1) acquiring baseband channel ID information of the telemetering unit resource;
(1.2) filling in remote control and telemetry flag bits as follows: remote measuring;
(1.3) decoding telemetry information obtained by the current telemetry unit resource to obtain satellite ID information;
(1.4) acquiring the measurement and control link number of the unit resource of the measurement and control channel resource pool connected with the current telemetering unit resource according to the connection relation of the downlink switch matrix;
(1.5) acquiring an antenna number from the measurement and control link number, and indexing the antenna attribute to acquire a mode flag bit;
(1.6) nulling the instruction ID information;
(1.7) giving a null value to the uplink on-off state zone bit of the link;
and (1.8), storing the routing state field information of the downlink measurement and control routing obtained in the steps (1.1) to (1.7) into a measurement and control routing table.
The monitoring module of each station equipment determines the uplink measurement and control routing state by the following method: traversing the remote control unit resources in the baseband resource pool, and executing the following steps for each remote control unit resource:
(2.1) obtaining baseband channel ID information of remote control unit resources;
(2.2) filling the remote control/remote measurement flag bits as follows: remote control;
(2.3) acquiring the measurement and control channel link number of the measurement and control channel resource pool unit resource connected with the current remote control unit resource according to the connection relation of the uplink switch matrix;
(2.4) acquiring the number of the up-conversion equipment or the power amplifier from the number of the measurement and control link, and indexing the remote control frequency point information through the up-conversion equipment or the power amplifier; detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, and combining remote control frequency point information with the antenna polarization state to acquire instruction ID information;
(2.5) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
(2.6) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(2.7) inquiring the existing measurement and control routing table, judging whether a routing state record consistent with the link number of the measurement and control channel in the step (2.3) exists in the existing measurement and control routing table, if so, obtaining satellite ID information through the routing record, and entering the step (2.8); otherwise, the uplink measurement and control route is considered to be invalid, and the determination process of the uplink measurement and control route state is finished;
and (2.8) judging whether the same record exists in the measurement and control routing table by using the baseband channel ID information, the remote control or remote measurement zone bit, the measurement and control link number and the instruction ID information obtained in the steps (2.1) to (2.4) and the mode zone bit obtained in the step (2.6) and the satellite ID information obtained in the step (2.7) as keywords, and if not, adding an uplink measurement and control routing record to determine the uplink measurement and control routing state. And if so, updating the actual uplink on-off state of the link, and ending the route state confirmation process.
The second method is as follows: the unit resource traversal method of the measurement and control channel comprises the following specific steps:
the monitoring module of each station equipment determines the uplink measurement and control routing state and the downlink measurement and control routing state by the following method:
(3.1) traversing unit resources of the measurement and control channel to obtain a link number of the measurement and control channel;
(3.2) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(3.3) determining baseband channel ID information corresponding to the measurement and control channel link number according to the input and output connection relation in the downlink switch matrix;
(3.4) decoding the telemetering information of the corresponding baseband unit resource (3.3) to obtain satellite ID information;
(3.5) searching keywords in the measurement and control routing table, wherein the keywords comprise measurement and control link numbers, telemetry flag bits, mode flag bits, satellite ID information and baseband channel ID information; judging whether a record with the same field as the content obtained in the steps (3.1) to (3.4) exists or not, if not, adding a new downlink measurement and control route record, combining the information obtained in the steps (3.1) to (3.4), the instruction ID information after the null value is assigned and the uplink on-off state flag bit information of the link, recording the combined information in a measurement and control route table, determining the downlink measurement and control route state, and entering the step (3.6); if yes, ending the route state confirmation process;
(3.6) determining baseband channel ID information which is connected with the number of the measurement and control channel and belongs to the baseband remote control unit resource according to the input and output connection relation in the uplink switch matrix;
(3.7) acquiring up-conversion equipment or a power amplifier from the measurement and control link number, inquiring remote control frequency point information, detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, combining the remote control frequency point information and the antenna polarization state, and filling instruction ID information;
(3.8) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
and (3.9) determining whether the same record exists in the measurement and control routing table by using the measurement and control link number, the remote control flag bit, the mode flag bit and the satellite ID information obtained in the steps (3.1) to (3.4), the baseband channel ID information belonging to the baseband remote control unit resource obtained in the step (3.6) and the instruction ID information obtained in the step (3.7) as a keyword, and if not, newly adding an uplink measurement and control routing record so as to determine the uplink measurement and control routing state. And if so, updating the actual uplink on-off state of the link, and ending the route state confirmation process.
The determination process of the uplink measurement and control route state and the downlink measurement and control route state of each station equipment monitoring module is driven by three modes of time, event and query;
the fixed time reporting means reporting every fixed time;
the event-driven reporting means that the locally maintained measurement and control routing table is reported after being changed;
the inquiry drive reporting means that each station equipment monitoring module reports after receiving a route information refreshing request sent by the head station resource scheduling module.
Preferably, the baseband resource pool includes N baseband devices, each baseband device is provided with M configurable baseband boards, each configurable baseband board is configured to become a remote control uplink channel or a remote control downlink baseband channel, the baseband devices are distinguished by IP information, the configurable baseband boards are distinguished by device port numbers, and the baseband channel ID information of the baseband unit resource is represented by IP information + port number.
Preferably, when the up-conversion device is a configuration register readable up-converter, the remote control frequency point information is stored in the up-converter frequency register.
Preferably, when the up-conversion device is a built-in up-conversion type power amplifier, the remote control frequency point information is stored in the power amplifier frequency register.
Preferably, the low noise amplifier, the down converter, the up converter or the power amplifier is a redundant backup device.
Preferably, for each satellite, at least one uplink measurement and control route state record and two downlink telemetry route state records from different antennas are included.
Compared with the prior art that 6 base bands are typically deployed in different places (each base band comprises 1 path of remote control processing unit, 2 paths of remote measurement processing units, 4 working stations and 2 emergency backups), the system can only serve 2 satellites, on the premise of meeting the same reliability, the 6 base bands with the same configuration can serve 4 satellites, and simultaneously, as the number N of the service satellites increases, the utilization rate of the hardware resources is improved to N/(2N +2) from N/(2N +2) realized by the prior art, and the utilization rate of the hardware resources tends to be improved by 100%.
Example (b):
in a specific embodiment of the invention, the measurement and control routing table is automatically established and maintained according to a set of established methods, thereby providing technical support for realizing normal scheduling operation of the whole measurement and control system. The measurement and control routing table is the core of the whole ground measurement and control system scheduling, and in this embodiment, the format of the measurement and control routing table is as follows:
table 1 measurement and control routing table
And numbering measurement and control channel links: the measurement and control channel link number is, for example, BJM13AU1T1L1D 1: the system is a measurement and control channel link consisting of a Beijing station (BJ)13 meter A antenna (M13A), an up-conversion 1(U1), a power amplifier 1(TWTA1), a low noise amplifier (L1) and a down-conversion (D1).
Remote control or telemetry flag bit: filling in remote control or remote measurement to indicate that the measurement and control route is used for remote measurement or remote control function, and directly filling in the remote measurement attribute and the remote control attribute when writing a table;
mode flag bit: filling in single receiving/duplex/emergency, which is used for expressing the working mode of the antenna used by the unit resource of the measurement and control channel resource pool and obtaining the working mode through the associated antenna attribute.
Satellite ID: and filling in a satellite code number which is used for representing a satellite identification number served by the measurement and control route, and obtaining the satellite identification number through telemetry decoding.
And baseband IP: filling in a baseband IP address to indicate a baseband connected with the link, and obtaining the baseband IP address through a baseband channel ID.
Baseband port number: filling in a baseband port number, indicating a specific port number of a baseband connected to the link, and obtaining the port number through a baseband channel ID.
Link uplink on-off state: and filling the on-off state of the radio frequency link, and indicating whether the radio frequency link has power output.
Instruction ID: the character string "TC 1" or "TC 2" or "TC 3" is filled out to represent the satellite remote control frequency point number. The frequency parameter and the antenna polarization angle information of an Up Converter (UC) or a Power Amplifier (PA) are read and combined to obtain the antenna polarization angle information, and specific frequency and polarization information does not need to be filled in a measurement and control routing table.
In this embodiment, the hardware resource pool includes a measurement and control channel resource pool and a baseband resource pool.
"measurement and control channel resource pool-unit resource": the antenna consists of a single antenna and radio frequency equipment above 70MHz matched with the single antenna. The method comprises the following steps: up-conversion (master/slave), power amplifier (master/slave), antenna, low-noise amplifier (master/slave) and down-conversion (master/slave). A station comprises a plurality of sets of single antennas and matched radio frequency equipment, for example, in the embodiment, a main station has 8 sets, and each future measurement and control station can have dozens of sets.
"baseband resource pool-unit resource": and a channel with independent remote control or remote measuring capability is arranged in each baseband device and is defined as a unit resource of the baseband resource pool. (non-narrowly defined single base band device) for example: if one baseband device is provided with one remote uplink channel and two remote downlink channels, the baseband device has three unit resources, wherein one unit resource attribute comprises a remote control identifier, and the other two unit resource attributes comprise remote measurement identifiers. Therefore, simultaneous telemetry multiplexing of one baseband to multiple stars is realized. In this embodiment, one baseband can be regarded as one computer, and a plurality of expansion board cards can be mounted on a motherboard of the computer, for example: one board card is a remote control function board card, and the other two board cards are remote measurement function board cards. Under normal conditions, each satellite has two telemetering route records and one remote control route record, and the two telemetering records respectively comprise 1 duplex antenna record and 1 single receiving antenna record. Under the scene of calling the system emergency antenna, each satellite using the emergency antenna adds 1 telemetering route record and 1 remote control route record of the emergency antenna to the measurement and control route table. Not all satellites use emergency support antennas. The emergency support antenna is only called when the individual main duplex antenna is abnormal or maintained.
In this embodiment, a baseband channel ID traversal method is first used to determine a telemetry routing table, and the determination process includes the following steps: taking telemetering unit resources in a baseband resource pool as a reference, filling in remote control telemetering marker bits as follows: remote measuring; decoding the satellite ID information locked by the current baseband and filling in the obtained satellite ID; the local station monitors and obtains the connection relation between the measurement and control channel and the baseband through the downlink switch matrix, obtains the unit resource information of the measurement and control channel corresponding to the unit resource of the baseband, and fills in the link number of the measurement and control channel; filling mode flag bits (single receiving/duplex/emergency) according to the antenna attributes; command ID information and link uplink on-off status flag bits are nulled.
In this embodiment, after the acquisition of the telemetry routing table is completed, the remote routing table is determined by a baseband channel ID traversal method, and the determination process includes the following steps: taking remote control unit resources in a baseband resource pool as a reference, filling a remote control/remote measurement flag bit as follows: remote control; the local station monitors and obtains the connection relation between the measurement and control channel and the baseband through the uplink switch matrix, obtains the unit resource information of the measurement and control channel corresponding to the unit resource of the baseband, and fills in the link number of the measurement and control channel; according to the radio frequency link information (including frequency point, polarization and radio frequency emission state) obtained from the link number of the measurement and control channel, filling instruction ID information and link uplink on-off marker bit information; acquiring an antenna number from a measurement and control channel link number, and indexing an antenna attribute to fill a mode flag bit (duplex/emergency); inquiring a routing state record consistent with the link number of the measurement and control channel in the existing measurement and control routing table, and obtaining satellite ID information through the routing record; and judging whether the same record exists in a measurement and control routing table by using baseband channel ID related information (the baseband channel ID related information refers to a certain baseband channel ID number managed by a retrieval baseband resource pool management module, and a baseband IP and baseband channel ID network port number is inquired), a remote control or remote measurement zone bit, a measurement and control link number, instruction ID information, a mode zone bit and satellite ID information as keywords, and if not, adding an uplink measurement and control routing record to determine the uplink measurement and control routing state. And if so, updating the record according to the obtained actual uplink on-off state of the link, and ending the route state confirmation process.
In this embodiment, the process of establishing the remote control routing table by using the measurement and control channel unit resource traversal method includes the following steps: in each fixed time slot (default 15s, adjustable through configuration), checking the measurement and control routing table by measurement and control channel unit resources according to the sequence of descending and ascending; acquiring an antenna number from a measurement and control channel link number, and indexing antenna attributes to acquire a mode flag bit; determining baseband channel ID information corresponding to the measurement and control channel link number according to the input and output connection relation in the downlink switch matrix; decoding unit resource telemetering of corresponding baseband channel ID in the baseband pool to obtain satellite ID information, and thus determining which satellite the unit resource of the measurement and control channel serves; determining baseband channel ID information which is connected with a measurement and control channel number and belongs to remote control unit resources in a baseband resource pool according to the input and output connection relation in an uplink switch matrix, and filling instruction ID information and link uplink on-off marker bit information according to radio frequency link information (including frequency point, polarization and radio frequency transmitting state) acquired from the measurement and control channel link number; and searching keywords (including a measurement and control channel link number, a remote control or remote measurement zone bit, a mode zone bit, satellite ID, instruction ID information and baseband channel ID associated information) in the measurement and control routing table, wherein the baseband channel ID associated information refers to a baseband IP and a baseband channel ID network port number which are inquired by searching a certain baseband channel ID number managed by the baseband resource pool management module. And judging whether the same record exists in the measurement and control routing table, and if not, adding an uplink measurement and control routing record. And if so, updating the record according to the obtained actual uplink on-off state of the link, and ending the route state confirmation process.
In this embodiment, the local station monitors and is responsible for maintaining and reporting the local measurement and control routing table, if a certain link has a problem, the record is automatically deleted in the local station monitoring routing table, and the record is reported to the master station resource scheduling module; the routing table reports three driving modes of time, event and query: reporting at fixed time, and monitoring by the local station to schedule and report to the resources of the master station every fixed time (default is 1 minute, and the configuration is adjustable); the locally maintained routing table is reported after being changed; and the local station monitors and reports the received resource scheduling routing information refreshing request.
The invention adopts the method of traversing the unit resource in the resource pool of the measurement and control channel or traversing the unit resource in the resource pool of the baseband, realizes the automatic analysis and collection of the measurement and control route, replaces the manual analysis process of the measurement and control route, enables the ground measurement and control system to have the dynamic acquisition capability of the measurement and control route, and provides basic technical support for the autonomous maintenance, the dynamic route management and the full-automatic operation of the ground measurement and control system.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (11)
1. A resource pool architecture measurement and control station network system based on a routing table is characterized by comprising L sites, wherein L is more than or equal to 2, one site is used as a master site, the other sites are slave sites, each site comprises an equipment monitoring module, a measurement and control channel resource pool and a baseband resource pool, and the master site comprises a resource scheduling module besides the equipment monitoring module, the measurement and control channel resource pool and the baseband resource pool; the unit resource of the measurement and control channel resource pool is a measurement and control link composed of an antenna, a low noise amplifier, a down converter, an up converter and a power amplifier; the unit resources in the baseband resource pool are independent baseband channels with remote control or remote measurement capability and are divided into remote measurement unit resources and remote control unit resources; the unit resources of the measurement and control channel resource pool are connected with the remote measurement unit resources of the baseband resource pool through a downlink switch matrix to form a downlink measurement and control route; the unit resources of the measurement and control channel resource pool are connected with the remote control unit resources of the baseband resource pool through an uplink switch matrix to form an uplink measurement and control route; the downlink measurement and control routes and the uplink measurement and control routes are collectively called as measurement and control routes, each station equipment monitoring module knows the resource allocation state of a station by maintaining a local measurement and control route table and reports the local measurement and control route table to a resource scheduling module of a main station, the main station resource scheduling module knows the resource allocation state of the whole station network measurement and control system by summarizing the measurement and control route tables of each station, and according to the configuration principle of each satellite measurement and control link, when any measurement and control link is found to be absent, a measurement and control resource configuration task is actively initiated;
the measurement and control routing table comprises the following fields: measuring and controlling a link number, a remote control or remote measuring zone bit, a mode zone bit, satellite ID information, baseband channel ID information, instruction ID information and a link uplink on-off state zone bit;
the measurement and control channel link number is used for representing the combination of the unit resource utilization equipment number of the measurement and control channel resource pool in the measurement and control route;
the remote control or remote measurement flag bit is used for indicating that the measurement and control route is used for remote measurement or remote control function;
the mode flag bit is used for indicating the working modes of the antenna used by the unit resource of the measurement and control channel resource pool, and the working modes comprise a simplex working mode and a duplex working mode;
satellite ID information used for representing the satellite identification number served by the measurement and control route;
the base band channel ID information is used for representing a unique identification number corresponding to a base band unit resource in a base band resource pool in the measurement and control route;
instruction ID information used for representing remote control frequency point information and antenna polarization state;
and the link uplink on-off state zone bit is used for indicating whether the uplink of the measurement and control channel has power output.
2. The system according to claim 1, further comprising a backup of the primary site, which is recorded as a backup primary site, wherein the backup primary site monitors the working status of the primary site, and automatically switches to the primary site and takes over all the work of the primary site once the primary site works abnormally, in addition to summarizing the measurement and control routing tables of the stations to know the resource allocation status of the entire station network measurement and control system.
3. The system according to claim 1 or 2, wherein the station device monitoring modules determine the downlink measurement and control routing state by the following method: traversing the telemetering unit resources in the baseband resource pool, and executing the following steps for each telemetering unit resource:
(1.1) acquiring baseband channel ID information of the telemetering unit resource;
(1.2) filling in remote control and telemetry flag bits as follows: remote measuring;
(1.3) decoding telemetry information obtained by the current telemetry unit resource to obtain satellite ID information;
(1.4) acquiring the measurement and control link number of the unit resource of the measurement and control channel resource pool connected with the current telemetering unit resource according to the connection relation of the downlink switch matrix;
(1.5) acquiring an antenna number from the measurement and control link number, and indexing the antenna attribute to acquire a mode flag bit;
(1.6) nulling the instruction ID information;
(1.7) giving a null value to the uplink on-off state zone bit of the link;
and (1.8), storing the routing state field information of the downlink measurement and control routing obtained in the steps (1.1) to (1.7) into a measurement and control routing table.
4. The system according to claim 1 or 2, wherein the station device monitoring modules determine the uplink measurement and control routing state by the following method: traversing the remote control unit resources in the baseband resource pool, and executing the following steps for each remote control unit resource:
(2.1) obtaining baseband channel ID information of remote control unit resources;
(2.2) filling the remote control/remote measurement flag bits as follows: remote control;
(2.3) acquiring the measurement and control channel link number of the measurement and control channel resource pool unit resource connected with the current remote control unit resource according to the connection relation of the uplink switch matrix;
(2.4) acquiring the number of the up-conversion equipment or the power amplifier from the number of the measurement and control link, indexing remote control frequency point information through the up-conversion equipment or the power amplifier, detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, and combining the remote control frequency point information and the antenna polarization state to fill instruction ID information;
(2.5) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
(2.6) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(2.7) inquiring the existing measurement and control routing table, judging whether a routing state record consistent with the link number of the measurement and control channel in the step (2.3) exists in the existing measurement and control routing table, if so, obtaining satellite ID information through the routing record, and entering the step (2.8); otherwise, the uplink measurement and control route is considered to be invalid, and the determination process of the uplink measurement and control route state is finished;
and (2.8) judging whether the same record exists in the measurement and control routing table by using the baseband channel ID information, the remote control or remote measurement zone bit, the measurement and control link number and the instruction ID information obtained in the steps (2.1) to (2.4), the mode zone bit obtained in the step (2.6) and the satellite ID information obtained in the step (2.7) as keywords, if not, adding an uplink measurement and control routing record to determine the uplink measurement and control routing state, if so, updating the actual uplink on-off state of the link, and finishing the routing state confirmation process.
5. The system according to claim 1 or 2, wherein the station device monitoring modules determine the uplink measurement and control routing state and the downlink measurement and control routing state by the following method:
(3.1) traversing unit resources of the measurement and control channel to obtain a link number of the measurement and control channel;
(3.2) acquiring an antenna number from the measurement and control channel link number, and indexing the antenna attribute to acquire a mode flag bit;
(3.3) determining baseband channel ID information corresponding to the measurement and control channel link number according to the input and output connection relation in the downlink switch matrix;
(3.4) decoding the telemetering information of the corresponding baseband unit resource (3.3) to obtain satellite ID information;
(3.5) searching keywords in the measurement and control routing table, wherein the keywords comprise measurement and control link numbers, telemetry flag bits, mode flag bits, satellite ID information and baseband channel ID information; judging whether a record with the same field as the content obtained in the steps (3.1) to (3.4) exists or not, if not, adding a new downlink measurement and control route record, combining the information obtained in the steps (3.1) to (3.4), the instruction ID information after the null value is assigned and the uplink on-off state flag bit information of the link, recording the combined information in a measurement and control route table, determining the downlink measurement and control route state, and entering the step (3.6); if yes, ending the route state confirmation process;
(3.6) determining baseband channel ID information which is connected with the number of the measurement and control channel and belongs to the baseband remote control unit resource according to the input and output connection relation in the uplink switch matrix;
(3.7) acquiring up-conversion equipment or a power amplifier from the measurement and control link number, inquiring remote control frequency point information, detecting an antenna port, acquiring an antenna polarization state according to a polarization angle connected with the up-conversion equipment or the power amplifier, combining the remote control frequency point information and the antenna polarization state, and filling instruction ID information;
(3.8) acquiring the serial number of the power amplifier from the serial number of the measurement and control link, if the output power of the power amplifier is more than 0, setting the flag bit of the uplink On-Off state of the link as 'On', otherwise, setting the flag bit of the uplink On-Off state of the link as 'Off';
(3.9) the measurement and control link number, the remote control flag bit, the mode flag bit and the satellite ID information obtained in the steps (3.1) to (3.4) are used, the baseband channel ID information belonging to the baseband remote control unit resource obtained in the step (3.6) is used, the instruction ID information obtained in the step (3.7) is used as a keyword, whether the same record exists in the measurement and control routing table is judged, if not, an uplink measurement and control routing record is newly added, and therefore the uplink measurement and control routing state is determined; and if so, updating the actual uplink on-off state of the link, and ending the route state confirmation process.
6. The resource pool architecture measurement and control station network system based on the routing table according to any one of claims 3 to 5, characterized in that the determination process of the uplink measurement and control routing state and the downlink measurement and control routing state of each station equipment monitoring module is driven by three modes of time, event and query;
the fixed time reporting means reporting every fixed time;
the event-driven reporting means that the locally maintained measurement and control routing table is reported after being changed;
the inquiry drive reporting means that each station equipment monitoring module reports after receiving a route information refreshing request sent by the head station resource scheduling module.
7. The system according to any one of claims 3 to 5, wherein the baseband resource pool comprises N baseband devices, each baseband device is provided with M configurable baseband boards, the configurable baseband boards are configured to be a remote control uplink channel or a remote control downlink baseband channel, the baseband devices are distinguished by IP information, the configurable baseband boards are distinguished by device port numbers, and the baseband channel ID information of the baseband unit resource is represented by IP information + port number.
8. The system of any one of claims 3 to 5, wherein the system comprises: when the up-converter device is a configuration register readable up-converter, the remote control frequency point information is stored in the up-converter frequency register.
9. The system of any one of claims 3 to 5, wherein the system comprises: when the up-conversion equipment is a built-in up-conversion type power amplifier, the remote control frequency point information is stored in a power amplifier frequency register.
10. The system according to any of claims 3 to 5, wherein the LNA, the downconverter, the upconverter or the power amplifier are redundant backup devices.
11. The system according to any one of claims 3 to 5, wherein the measurement and control station network system of the resource pool architecture based on the routing table is characterized in that the measurement and control link configuration principle of each satellite is as follows: for each satellite, at least one uplink measurement and control route state record and two downlink remote measurement and control route state records from different antennas are included.
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