CN110336697B - Method and system for writing frequency of DMR (digital Mobile radio) mobile station air interface - Google Patents
Method and system for writing frequency of DMR (digital Mobile radio) mobile station air interface Download PDFInfo
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- CN110336697B CN110336697B CN201910575280.1A CN201910575280A CN110336697B CN 110336697 B CN110336697 B CN 110336697B CN 201910575280 A CN201910575280 A CN 201910575280A CN 110336697 B CN110336697 B CN 110336697B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
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Abstract
A method and system for writing frequency of DMR hand platform air interface relates to the field of intercom system, the method for writing frequency of air interface is to modify the existing DMR air interface protocol to make it carry the configuration parameter of frequency point or group number; and then, the console of the intercom system performs frequency point or group number parameter configuration on a plurality of mobile stations in the system through the cluster base station by utilizing the modified DMR air interface protocol, thereby realizing the purpose of performing air interface frequency writing on the mobile stations in a remote and wireless mode.
Description
Technical Field
The invention relates to the field of intercom systems, in particular to a method for writing frequency of an air interface of a DMR (digital mobile radio) mobile station.
Background
The mobile phone, as a class of terminals of the intercom system, generally needs to be configured with channel frequency points and set up with a calling group through serial ports or bluetooth and other ways before being used. The serial port is limited by wired connection, and although bluetooth is wireless transmission, the transmission distance is limited, the operation is very inconvenient, and only one-to-one setting update can be performed.
For the mobile stations under the cluster system, the invention can modify the existing air interface DMR protocol to a certain extent, can support the mobile stations which are started and registered into the system, and carries out frequency point and group parameter configuration on each mobile station through the network management or the dispatching station at the system side.
Disclosure of Invention
The invention provides a method and a system for writing frequency of an air interface of a DMR (digital mobile radio) mobile station, aiming at overcoming the problems in the prior art.
The technical scheme adopted by the invention is as follows:
a method for writing frequency at the air interface of a DMR (digital Mobile radio) mobile station comprises the steps of modifying the existing DMR air interface protocol to a certain extent so that the existing DMR air interface protocol can carry configuration parameters of frequency points or group numbers; and the console of the intercom system performs frequency point or group number parameter configuration on a plurality of mobile stations in the system through the cluster base station by using the modified DMR air interface protocol.
Further, the method comprises the following specific steps: (1) the control console sends an AHOY signaling to the mobile station through the cluster base station; (2) in response, the mobile station transmits C _ ACKU signaling reflecting the self state to the control station through the cluster base station; (3) if the C _ ACKU response signal indicates that the mobile phone is currently in a state of being capable of setting a frequency point or a group number, the control console sends a UDT multi-frame signaling carrying the configuration parameters to the mobile phone through the cluster base station; (4) the mobile station reconfigures the frequency point or the group number of the mobile station according to the configuration parameters, and then responds to the C _ ACKU signaling again to show that the configuration parameters are received and set successfully.
Further, the console is a network manager or a dispatching desk.
A system for writing frequency of an air interface of a DMR (digital Mobile radio) mobile station comprises a console, a cluster base station and a plurality of mobile stations, wherein the console and the plurality of mobile stations are communicated with the cluster base station, and the console can use a modified DMR air interface protocol to configure frequency points or group number parameters of the plurality of mobile stations through the cluster base station.
Further, the console is a network manager or a dispatching desk.
Compared with the prior art, the invention has the advantages that:
the invention can carry configuration parameters of frequency points or group numbers by modifying the existing air interface DMR protocol to a certain extent; and then the console performs frequency point or group number parameter configuration on a plurality of mobile stations through the cluster base station by using the modified DMR air interface protocol, thereby realizing the purpose of performing air interface frequency writing on the mobile stations in a remote and wireless mode.
Drawings
Fig. 1 is a schematic structural diagram of an intercom system in accordance with the present invention.
Fig. 2 is a schematic diagram of an air interface flow for performing air interface frequency writing on a mobile station in a cluster system according to the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1 and 2, an intercom system for DMR handset air interface frequency writing includes a console 1, a cluster base station 2, and a plurality of handsets 3. The control console 1 and the plurality of mobile stations 3 are communicated with the cluster base station 2, the control console 1 sends a control signaling to the cluster base station 2, and the cluster base station 2 performs frequency point or group number parameter configuration on the plurality of mobile stations 3 by using the modified DMR air interface protocol.
Referring to fig. 1 and 2, the method for writing frequency to the DMR hand-set air interface by using the intercom system is as follows: firstly, modifying the existing DMR air interface protocol to a certain extent so that the existing DMR air interface protocol can carry configuration parameters of frequency points or group numbers; the control console 1 of the intercom system sends a control signaling to the cluster base station 2, and then the cluster base station 2 performs frequency point or group number parameter configuration on a plurality of mobile stations 3 in the system by using the modified DMR air interface protocol.
DMR signaling used for first-time and empty-interface write frequency
In the trunking mode, the downlink AHOY signaling of the control channel may be used to transmit a status message, and the format thereof is as follows:
wherein, Service _ operations _ Mirror is used to define the actual value of the status message. And when the value of Service _ operations _ Mirror is defined to be 29, it indicates that the mobile station 3 is updated with the group number information, when the value of Service _ operations _ Mirror is defined to be 30, it indicates that the mobile station 3 is updated with the frequency point information in the trunking mode, and when the value of Service _ operations _ Mirror is defined to be 31, it indicates that the mobile station 3 is updated with the frequency point information in the transit or through mode.
The frequency point information and the group number information which need to be updated by the mobile station 3 are transmitted by using the downlink UDT signaling of the control channel, and a complete UDT message consists of a plurality of frames of signaling and respectively comprises 1 UDT signaling head frame, 0 to 3 UDT intermediate frames and 1 UDT end frame. It can transmit a maximum of 46 bytes of data.
The UDT signaling header frame format of DMR is as follows:
the UDT intermediate frame of the DMR is an unacknowledged data frame of 1/2 code rate, and has the following format:
the UDT signaling end frame format of DMR is as follows:
second, empty flow of empty writing frequency
As shown in fig. 1 and fig. 2, an air interface service flow of the cluster system for performing air interface configuration frequency point and setting group number information on the mobile station 3 is shown in fig. 2.
The specific frequency writing steps are as follows:
(1) the console 1 sends an AHOY signaling with a Service _ Options _ Mirror state value of 29 or 30 to the mobile station 3 via the cluster base station 2.
(2) In response, the mobile station 3 transfers C _ ACKU signaling reflecting its own state to the console 1 via the cluster base station 2.
(3) If the C _ ACKU response signal indicates that the mobile phone is currently in a state in which a frequency point or a group number can be set, the console 1 sends a UDT multi-frame signaling carrying the configuration parameters to the mobile phone 3 through the cluster base station 2.
(4) The mobile station 3 reconfigures the frequency point or the group number of the mobile station according to the configuration parameters, and then responds the C _ ACKU signaling again to indicate that the configuration parameters are received and set successfully.
Setting of corresponding fields of idle write frequency
a) Air interface configuration group number:
a.1) in the AHOY signaling issued by the cluster base station 2, the value of SK is set to 7, the value of IG is 0, TADDR is the address of the mobile station 3 to which the group number needs to be written, and the value of Service _ Options _ Mirror is 29.
a.2) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
a.3) in the UDT signaling sent by the cluster base station 2, the formats of the intermediate frame and the end frame are as follows:
each group of UDT multiframe signaling can be configured with 14 group numbers, and the number of the signaling frames of the UDT can be increased or decreased according to the number of the group numbers to be configured.
and a.4) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
b) The air interface configures the receiving and transmitting frequency point of the mobile station 3:
the handset 3 may operate in trunked, trunked or pass-through modes. The mobile station 3 used in the cluster mode is configured with a control channel frequency point to be accessed by the mobile station 3; the mobile station 3 used in the transit or direct mode is configured with frequency points corresponding to each node of the knob of the mobile station 3.
The frequency point allocation is 12 bits to indicate a frequency point pair (including a transmitting frequency point and a receiving frequency point, the receiving frequency point is 10MHz larger than the transmitting frequency point). For the frequency band of 400MHz, the receiving frequency point of the mobile phone 3 is 400MHz corresponding to the frequency point number of 0, then every 12.5KHz, the frequency point number is added with 1, namely 400.0125MHz corresponding frequency point number is 1, 400.0250MHz corresponding frequency point number is 2, and so on, the maximum frequency point number is 4094, which can represent 4095 groups of frequency point pairs altogether, 4095 is reserved.
b.1) configuring frequency points in cluster mode
b.1.1) in the AHOY signaling issued by the cluster base station 2, the value of SK is set to 7, the value of IG is 0, TADDR is the address of the mobile station 3 to which the group number needs to be written, and the value of Service _ Options _ Mirror is 30.
b.1.2) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
b.1.3) the format of the intermediate frame and the ending frame of the UDT signaling sent by the cluster base station 2 is as follows:
each group of UDT multi-frame signaling can configure 21 groups of frequency point pairs in a cluster mode, and the number of signaling frames of the UDT can be increased or decreased according to the number of the frequency point pairs required to be configured.
b.1.4) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
b.2) configuring frequency points in transit or direct mode
b.2.1) in the AHOY signaling issued by the cluster base station 2, the value of SK is set to 7, the value of IG is 0, TADDR is the address of the mobile station 3 to which the group number needs to be written, and the value of Service _ Options _ Mirror is 31.
b.2.2) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
b.2.3) in the UDT signaling sent by the cluster base station 2, the formats of the intermediate frame and the ending frame are respectively as follows:
each group of UDT multi-frame signaling can configure 16 groups of frequency point pairs under a transit or direct mode in each area, and the number of signaling frames of the UDT can be increased or decreased according to the number of the frequency point pairs required to be configured.
b.2.4) the uplink C _ ACKU signaling of the mobile station 3 is normal DMR signaling.
In summary, the present invention modifies the existing air interface DMR protocol to a certain extent, so that the air interface DMR protocol can carry configuration parameters of frequency points or group numbers; and then the console 1 performs frequency point or group number parameter configuration on a plurality of mobile stations 3 through the cluster base station 2 by using the modified DMR air interface protocol, thereby achieving the purpose of performing air interface frequency writing on the mobile stations 3 in a remote and wireless manner.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (5)
1. A method for writing frequency of an air interface of a DMR (digital Mobile radio) mobile station is characterized by comprising the following steps: modifying the existing DMR air interface protocol to enable the protocol to carry configuration parameters of frequency points or group numbers, wherein the Service _ Options _ Mirror is defined to represent to the mobile station to update group number information when the value of the Service _ Options _ Mirror is 29, the Service _ Options _ Mirror is defined to represent to the mobile station to update frequency point information under a cluster mode when the value of the Service _ Options _ Mirror is 30, and the Service _ Options _ Mirror is defined to represent to the mobile station to update frequency point information under a transit or direct mode when the value of the Service _ Options _ Mirror is 31; after a control console of the intercom system sends a control signaling to a cluster base station of the intercom system, the cluster base station performs frequency point or group number parameter configuration on a plurality of mobile stations in the system by using the modified DMR air interface protocol.
2. The method for frequency writing over an air interface of a DMR station as in claim 1, wherein the method comprises the steps of: the method comprises the following specific steps: (1) the control console sends an AHOY signaling to the mobile station through the cluster base station; (2) in response, the mobile station transmits C _ ACKU signaling reflecting the self state to the control station through the cluster base station; (3) if the C _ ACKU response signal indicates that the mobile phone is currently in a state of being capable of setting a frequency point or a group number, the control console sends a UDT multi-frame signaling carrying the configuration parameters to the mobile phone through the cluster base station; (4) the mobile station reconfigures the frequency point or the group number of the mobile station according to the configuration parameters, and then responds to the C _ ACKU signaling again to show that the configuration parameters are received and set successfully.
3. The method for frequency writing over the air interface of a DMR station as in claim 1 or 2, wherein the method comprises the following steps: the control console is a network management or dispatching console.
4. A system for frequency writing of an air interface of a DMR (digital Mobile radio) mobile station is characterized in that: the control platform and the plurality of mobile stations are communicated with the cluster base station, the existing DMR air interface protocol is modified to a certain extent so that the existing DMR air interface protocol can carry configuration parameters of frequency points or group numbers, the frequency point information under the cluster updating mode is represented to the mobile station when the value of Service _ Options _ Mirror is defined to be 29, the frequency point information under the cluster updating mode is represented to the mobile station when the value of Service _ Options _ Mirror is defined to be 30, the frequency point information under the relay updating mode or direct mode is represented to the mobile station when the value of Service _ Options _ Mirror is defined to be 31, the control platform sends a control signal to the cluster base station, and the cluster base station configures the frequency point parameters or the group numbers of the plurality of mobile stations by using the modified DMR air interface protocol.
5. The DMR handset air interface frequency writing system according to claim 4, wherein: the control console is a network management or dispatching console.
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| US20110187297A1 (en) * | 2008-07-22 | 2011-08-04 | Trustees Of Boston University | Switching devices and related methods |
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