CN105356927A - Relay method and relay adaptor for short-wave radio station - Google Patents

Relay method and relay adaptor for short-wave radio station Download PDF

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Publication number
CN105356927A
CN105356927A CN201510986076.0A CN201510986076A CN105356927A CN 105356927 A CN105356927 A CN 105356927A CN 201510986076 A CN201510986076 A CN 201510986076A CN 105356927 A CN105356927 A CN 105356927A
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CN
China
Prior art keywords
module
short
phone
wave radio
wireless module
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CN201510986076.0A
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Chinese (zh)
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CN105356927B (en
Inventor
李晓刚
武营
李晓可
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河南省电力勘测设计院
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Priority to CN201510986076.0A priority Critical patent/CN105356927B/en
Publication of CN105356927A publication Critical patent/CN105356927A/en
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Publication of CN105356927B publication Critical patent/CN105356927B/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations

Abstract

The invention discloses a relay method and a relay adaptor for a short-wave radio station and relates to short-wave radio stations, relay adaptors and telephones. The relay adaptor comprises a power module, a wireless module, a telephone module and a network monitoring module, wherein the wireless module receives voice and signaling data of the telephone module and sends the data to the radio station through an emitting circuit, and receives voice and signaling data of the radio station through a receiving circuit and sends the data to the telephone module; the telephone module converts voice or button pressing information of a user at a telephone terminal into voice and signaling data and sends the data to the wireless module, and converts radio station replay signaling of the wireless module into voice data and sends the data to the user at the telephone terminal; the network monitoring module records the talk time of an incoming call of the user and plays warning tone information for the user at the telephone terminal. The relay adaptor is based on a hardware platform, functions such as voice transcieving, broadcasting and the like of the relay adaptor are realized by calling corresponding functions in the hardware platform through software, and the problem of poor repeatability design due to basis of hardware custom design in the traditional relay adaptor design is solved.

Description

A kind of short-wave radio set trunking method and short-wave radio set tandem switching device
Technical field
The present invention relates to a kind of wireless communication technology, be specifically related to a kind of short-wave radio set trunking method and short-wave radio set tandem switching device.
Background technology
Tandem switching device is the important component part in short-wave radio set communication system, and be the platform that radio station and public base station, mobile phone etc. carry out the signal relay forwardings such as voice, tandem switching device is the tie and bridge that carry out between radio station with public telephone network communicating.
China starts late in the research in shortwave, ultrashort wave field, technical standard disunity and function is incomplete, and each production firm product category is various but ubiquity communication distance is shorter, there is larger unsteadiness during use.Therefore the short wave radio station realized based on hardware platform exploitations such as generation information technology and ARM, DSP and FPGA becomes the study hotspot in field, current shortwave radio station.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of short-wave radio set trunking method and short-wave radio set tandem switching device, the invention solves in the design of traditional tandem switching device, based on hardware Custom Design, and the technical problem of repeatable poor designs.
The present invention is achieved through the following technical solutions:
A kind of short-wave radio set trunking method, described method relates to short-wave radio set, tandem switching device and phone, when short-wave radio set is called, comprises the steps:
The wireless module of step one, tandem switching device receives short-wave radio set pass-through signaling;
Step 2, wireless module send a reply signaling to short-wave radio set, and the speech data received is sent to phone module;
The phone module of step 3, tandem switching device is called, and whether detection connects;
Step 4, receive phone reply after, wireless module sends signaling to short-wave radio set, informs that radio station is connected;
Step 5, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step 7 to; If not, step 6 is forwarded to;
Whether step 6, phone module detect speech signal level higher than setting level value, and if so, wireless module dsp chip carries out Transmit enable, forwards step 5 to; If not, directly step 5 is forwarded to;
Step 7, exit call;
When telephone call short-wave radio set, comprise the steps:
The phone module of steps A, tandem switching device receives the bell signal that telephony side user dials, and collects calling number;
The network monitoring module of step B, tandem switching device plays phone incoming call prompt tone and the record start time, record calling number;
The speech data received is sent to wireless module by step C, phone module, and the dsp chip of wireless module is encoded, then through fpga chip framing, by sending to short-wave radio set after radiating circuit frequency modulation;
Step D, receive short-wave radio set reply after, network monitoring module playing alert tones, prompt mobile phone end subscriber receives voice;
Step e, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step G to; If not, step F is forwarded to;
Whether step F, detection speech signal level be higher than setting level value, and if so, wireless module dsp chip carries out Transmit enable, forwards step e to; If not, directly step e is forwarded to;
Step G, phone module send the end time to network monitoring module, exit call.
Wireless module, to be communicated by UART agreement between phone module and network monitoring module module.
Wireless module comprises radiating circuit and receiving circuit, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, communicated by iic bus between dsp chip and singlechip chip, communicated by EMIF interface between dsp chip and fpga chip.
Described singlechip chip is MCU controller, arranges by software transmission and the reception that multiple flag bit switches voice in MCU principal function; IIC communication between the transmission of voice and reception, MCU and DSP and real-time task is completed by the multiple MCU interruption function of software design patterns.
In DSP principal function, arrange multiple flag bit to determine whether transmission broadcast by software, cut frequently and voice call; Complete IIC communication between DSP and MCU by the multiple DSP interrupt function of software design patterns, the reception of signaling in DSP and FPGA interface communication.
One airtime interval is set in wireless module by software, and sends broadcast or multicast packet as follows:
Step I, every an airtime interval, wireless module dsp chip detect broadcast signaling channel whether idle, if so, forward step II to; If not, step IV is forwarded to;
Step II, dsp chip are encoded, and whether dsp chip detects and wireless module fpga chip is shaken hands successful, if so, forwards step III to; If not, step IV is forwarded to;
Step III, dsp chip send data to fpga chip, through fpga chip framing, send to other short-wave radio set, forward step IV to by broadcast or multicast after radiating circuit frequency modulation;
Step IV, restart airtime intervalometer.
Signaling modulation mode is MSK or GMSK, and the airtime is spaced apart 20 minutes.
Adopt a short-wave radio set tandem switching device for method described above, comprise singlechip chip, power module, wireless module, phone module and network monitoring module; Described power module is wireless module, fixed line module and mixed-media network modules mixed-media are powered;
Described wireless module receives voice and the signaling data of phone module, sends to radio station by a radiating circuit; Received voice and the signaling data in radio station by a receiving circuit, and send to phone module;
The voice of telephony side user or key information are converted to voice and signaling data by described phone module, and send to wireless module; It is that speech data sends to telephony side user that Signalling conversion is replied in the radio station of wireless module;
The duration of call of network monitoring module recording user incoming call, and be telephony side user playing alert tones information.
Described wireless module comprises radiating circuit and receiving circuit, described receiving circuit is divided into signaling channel and voice channel, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, control dsp chip by fpga chip and carry out D/A output, and control transmitting/receiving circuit and carry out state switching; Described phone module comprises the SIM card be connected with single-chip microcomputer; Described network monitoring module comprises an ARM chip and the network interface card be connected with ARM chip respectively and SD card; Described phone module is connected with wireless module respectively by RS232 serial ports with network monitoring module.
The design in intermediate waves radio station of the present invention adopts the hardware platform based on ripe frameworks such as ARM and DSP to realize, realize the function of radio station by software programming based on the hardware platform of ARM and DSP framework, this platform has multiple functional module, from based on hardware PCB basis customization traditional design method come out of, the each intermodule of this platform realizes specific function by interconnected, has opening, standardization and alterability.According to module mutual contact mode, flowing water type structure, bus type structure, crossover structure etc. can be divided into.
The present invention is based on the hardware platform of above introduction, realized the function such as voice transmitting-receiving, broadcast of relay repeater in radio station by software programming control hardware platform, its adaptability, flexibility, stability are all relatively good.When needs amendment or when increasing new function, do not need to modify to hardware configuration, only need, on the original basis by the function that software modification just can realize required amendment or add, to overcome in the design of traditional tandem switching device, based on hardware Custom Design, the problem of repeatable poor designs.
Accompanying drawing explanation
Fig. 1 is radio station of the present invention switching flow chart when calling;
Switching flow chart when Fig. 2 is telephone call radio station of the present invention;
Fig. 3 is tandem switching device system block diagram of the present invention;
Fig. 4 is tandem switching device wireless module hardware architecture figure of the present invention.
Embodiment
A kind of short-wave radio set trunking method, relates to short-wave radio set, tandem switching device and phone, as shown in Figure 1, when short-wave radio set is called, comprises the steps:
The wireless module of step one, tandem switching device receives short-wave radio set pass-through signaling;
Step 2, wireless module send a reply signaling to short-wave radio set, and the speech data received is sent to phone module;
The phone module of step 3, tandem switching device is called, and whether detection connects, and if so, forwards step 4 to; If not, step 6 is forwarded to;
Step 4, wireless module send signaling to short-wave radio set, inform that radio station is connected;
Step 5, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step 6 to; If not, step 7 is forwarded to;
Step 6, exit call;
Step 7, detection speech signal level, whether higher than setting level value, if so, forward step 8 to; If not, step 5 is forwarded to;
Step 8, wireless module dsp chip carry out Transmit enable, forward step 5 to;
As shown in Figure 2, when telephone call short-wave radio set, comprise the steps:
The phone module of steps A, tandem switching device receives the bell signal that telephony side user dials, and collects calling number;
Step B, network monitoring module play phone incoming call prompt tone and the record start time, record calling number;
Whether step C, phone module detect calling number correct, if so, forward step D to; If not, step e is forwarded to;
The speech data received is sent to wireless module by step D, phone module, the dsp chip of wireless module is encoded, then through fpga chip framing, by sending to short-wave radio set after radiating circuit frequency modulation, and in 3 ~ 8 seconds, detect the reply whether receiving short-wave radio set, if so, step F is forwarded to; If not, step H is forwarded to;
Step e, network monitoring module play number error prompt tone, and prompting user re-enters, and forwards step C to;
Step F, network monitoring module playing alert tones, prompt mobile phone end subscriber receives voice;
Step G, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step I to; If not, step J is forwarded to;
Step H, phone module send call failure signaling to network monitoring module, and network monitoring module plays call failure prompting sound;
Step I, phone module send the end time to network monitoring module, exit call;
Step J, detection speech signal level, whether higher than setting level value, if so, forward step K to; If not, step G is forwarded to;
Step K, wireless module dsp chip carry out Transmit enable, forward step G to.
Wireless module, to be communicated by UART agreement between phone module and network monitoring module module.
Wireless module comprises radiating circuit and receiving circuit, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, communicated by iic bus between dsp chip and singlechip chip, communicated by EMIF interface between dsp chip and fpga chip.
Described singlechip chip is MCU controller, arranges by software transmission and the reception that multiple flag bit switches voice in MCU principal function; IIC communication between the transmission of voice and reception, MCU and DSP and real-time task is completed by the multiple MCU interruption function of software design patterns.
In DSP principal function, arrange multiple flag bit to determine whether transmission broadcast by software, cut frequently and voice call; Complete IIC communication between DSP and MCU by the multiple DSP interrupt function of software design patterns, the reception of signaling in DSP and FPGA interface communication.
One airtime interval is set in wireless module by software, and sends broadcast or multicast packet as follows:
Step I, every an airtime interval, wireless module dsp chip detect broadcast signaling channel whether idle, if so, forward step II to; If not, step IV is forwarded to;
Step II, dsp chip are encoded, and whether dsp chip detects and wireless module fpga chip is shaken hands successful, if so, forwards step III to; If not, step IV is forwarded to;
Step III, dsp chip send data to fpga chip, through fpga chip framing, send to other short-wave radio set, forward step IV to by broadcast or multicast after radiating circuit frequency modulation;
Step IV, restart airtime intervalometer.
In step III, signaling modulation mode is MSK or GMSK, and the airtime is spaced apart 20 minutes.
As shown in Figure 3,4, a kind of short-wave radio set tandem switching device adopting method described above, comprises singlechip chip, power module, wireless module, phone module and network monitoring module; Described power module is wireless module, fixed line module and mixed-media network modules mixed-media are powered; Described wireless module comprises radiating circuit and receiving circuit, described receiving circuit is divided into signaling channel and voice channel, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, control dsp chip by fpga chip and carry out D/A output, and control transmitting/receiving circuit and carry out state switching; Described wireless module main processing units is DSP, fpga chip and single-chip microcomputer, and wireless module working method adopts half-duplex structure, and during transmitting, radiating circuit work, receiving circuit does not work, and during reception, receiving circuit work, radiating circuit does not work.Single-chip microcomputer is responsible for the external information such as SD card SIM card and is obtained and input, and the control of LED light, and FPGA is responsible for carrying out encoding and decoding etc. to signal, and DSP is responsible for identification to signal signaling and Transmit enable.
Described phone module comprises the SIM card, the LED light I that are connected with single-chip microcomputer, be responsible for receive and the voice that will send process, when sending voice, red LED indicator light I is bright, and now can only send signal can not Received signal strength; When receiving voice, green LED indicator light I is bright, now can only can not send signal by Received signal strength; LED light II, network interface card and SD card that described network monitoring module comprises an ARM chip and is connected with ARM chip respectively, be used for carrying out condition prompting to signal transmitting and receivings such as voice; Described phone module is connected with wireless module respectively by RS232 serial ports with network monitoring module.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned execution mode, also comprises the technical scheme be made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (9)

1. a short-wave radio set trunking method, described method relates to short-wave radio set, tandem switching device and phone, it is characterized in that: when short-wave radio set is called, comprise the steps:
The wireless module of step one, tandem switching device receives short-wave radio set pass-through signaling;
Step 2, wireless module send a reply signaling to short-wave radio set, and the speech data received is sent to phone module;
The phone module of step 3, tandem switching device is called, and whether detection connects;
Step 4, receive phone reply after, wireless module sends signaling to short-wave radio set, informs that radio station is connected;
Step 5, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step 7 to; If not, step 6 is forwarded to;
Whether step 6, phone module detect speech signal level higher than setting level value, and if so, wireless module dsp chip carries out Transmit enable, forwards step 5 to; If not, directly step 5 is forwarded to;
Step 7, exit call;
When telephone call short-wave radio set, comprise the steps:
The phone module of steps A, tandem switching device receives the bell signal that telephony side user dials, and collects calling number;
The network monitoring module of step B, tandem switching device plays phone incoming call prompt tone and the record start time, record calling number;
The speech data received is sent to wireless module by step C, phone module, and the dsp chip of wireless module is encoded, then through fpga chip framing, by sending to short-wave radio set after radiating circuit frequency modulation;
Step D, receive short-wave radio set reply after, network monitoring module playing alert tones, prompt mobile phone end subscriber receives voice;
Step e, phone module detect phone whether on-hook or whether receive radio station and terminate signaling, if so, forward step G to; If not, step F is forwarded to;
Whether step F, detection speech signal level be higher than setting level value, and if so, wireless module dsp chip carries out Transmit enable, forwards step e to; If not, directly step e is forwarded to;
Step G, phone module send the end time to network monitoring module, exit call.
2. short-wave radio set trunking method according to claim 1, is characterized in that: wireless module, communicated by UART agreement between phone module and network monitoring module module.
3. short-wave radio set trunking method according to claim 1, it is characterized in that: wireless module comprises radiating circuit and receiving circuit, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, communicated by iic bus between dsp chip and singlechip chip, communicated by EMIF interface between dsp chip and fpga chip.
4. short-wave radio set trunking method according to claim 1, is characterized in that: described singlechip chip is MCU controller, arranges by software transmission and the reception that multiple flag bit switches voice in MCU principal function; IIC communication between the transmission of voice and reception, MCU and DSP and real-time task is completed by the multiple MCU interruption function of software design patterns.
5. short-wave radio set trunking method according to claim 1, is characterized in that: in DSP principal function, arrange multiple flag bit to determine whether transmission broadcast by software, cut frequently and voice call; Complete IIC communication between DSP and MCU by the multiple DSP interrupt function of software design patterns, the reception of signaling in DSP and FPGA interface communication.
6. short-wave radio set trunking method according to claim 1, is characterized in that: in wireless module, arrange an airtime interval by software, and sends broadcast or multicast packet as follows:
Step I, every an airtime interval, wireless module dsp chip detect broadcast signaling channel whether idle, if so, forward step II to; If not, step IV is forwarded to;
Step II, dsp chip are encoded, and whether dsp chip detects and wireless module fpga chip is shaken hands successful, if so, forwards step III to; If not, step IV is forwarded to;
Step III, dsp chip send data to fpga chip, through fpga chip framing, send to other short-wave radio set, forward step IV to by broadcast or multicast after radiating circuit frequency modulation;
Step IV, restart airtime intervalometer.
7. short-wave radio set trunking method according to claim 6, is characterized in that: signaling modulation mode is MSK or GMSK, and the airtime is spaced apart 20 minutes.
8. adopt as arbitrary in claim 1 to 7 as described in the short-wave radio set tandem switching device of method, it is characterized in that: comprise power module, wireless module, phone module and network monitoring module;
Described power module is wireless module, fixed line module and mixed-media network modules mixed-media are powered;
Described wireless module receives voice and the signaling data of phone module, sends to radio station by a radiating circuit; Received voice and the signaling data in radio station by a receiving circuit, and send to phone module;
The voice of telephony side user or key information are converted to voice and signaling data by described phone module, and send to wireless module; It is that speech data sends to telephony side user that Signalling conversion is replied in the radio station of wireless module;
The duration of call of network monitoring module recording user incoming call, and be telephony side user playing alert tones information.
9. short-wave radio set tandem switching device according to claim 8, it is characterized in that: described wireless module comprises radiating circuit and receiving circuit, described receiving circuit is divided into signaling channel and voice channel, described radiating circuit and receiving circuit are all connected with fpga chip, dsp chip, singlechip chip, control dsp chip by fpga chip and carry out D/A output, and control transmitting/receiving circuit and carry out state switching.
CN201510986076.0A 2015-12-25 2015-12-25 A kind of short-wave radio set trunking method and short-wave radio set tandem switching device CN105356927B (en)

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CN107819484A (en) * 2017-11-03 2018-03-20 中国电子科技集团公司第二十八研究所 A kind of remote station based on wireless network accesses access system
CN110809093A (en) * 2019-11-11 2020-02-18 南京莱斯信息技术股份有限公司 Automatic adapter for wired telephone and radio station

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CN110809093A (en) * 2019-11-11 2020-02-18 南京莱斯信息技术股份有限公司 Automatic adapter for wired telephone and radio station

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