CN102448021A - Emergency trunking communication system - Google Patents
Emergency trunking communication system Download PDFInfo
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- CN102448021A CN102448021A CN2011104527833A CN201110452783A CN102448021A CN 102448021 A CN102448021 A CN 102448021A CN 2011104527833 A CN2011104527833 A CN 2011104527833A CN 201110452783 A CN201110452783 A CN 201110452783A CN 102448021 A CN102448021 A CN 102448021A
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Abstract
The invention discloses an emergency trunking communication system which belongs to the technical field of communication. The emergency trunking communication system has the following structure that a TETRA (Terrestrial Trunked Radio) terminal is connected with an IP (Internet Protocol)-TETRA base station in a wireless communication mode; and an IP switching network is respectively connected with the IP-TETRA base station, an operation and maintenance center, a dispatcher station, a media gateway and a mobile switching center on the basis of an IP technology through net wires. The emergency trunking communication system has the beneficial effects that currently, a global digital trunking communication system is rapidly developed and TETRA is to become a hot spot of seizing the future global trunking communication market; an iTETRA system has more flexible network architecture, higher data transmission speed and stronger user equipment functions; and particularly, after the IP technology and an SIP (System In Package) technology are adopted, the functions and services of the iTETRA system can well meet the private network commanding dispatching and emergency requirements of different industries.
Description
Technical field
The invention belongs to communication technical field, relate in particular to a kind of emergent trunked communication system.
Background technology
Change today of high speed development in modern times, more and more be unable to do without meanss of communication such as phone, computer in the daily life.But the fault of communication network tends to people in work with in lifely cause great inconvenience.Therefore emergency communication system is paid close attention to by people also more and more.
Emergency communication system is under some burst tasks or disaster scenario, for coordinating different departments better, handles these accidents expeditiously and the system of communication function is provided.Trunked communication system possesses the characteristic of distinctive scheduling feature and group calling function and short calling, therefore in emergency communication system, has important function.
The main range of application of trunked communication system is department and the enterprise higher to the command scheduling functional requirement, mainly comprises units such as government department (like army, public security department, state security department and emergency services department), railway, water conservancy, electric power, civil aviaton.Along with expanding economy, taxi, logistics, estate management and factory's manufacturing industry also more and more need trunking communication.Trunking communication becomes the big special-purpose communication system outside the public mobile communication just gradually.
At present, digital cluster system has TETRA system, iDEN system, GT800 system and GoTa system etc.
TETRA (Terrestrial trunked radio) system is the digital clustering communication system standard that ETSI (ETSI) formulates; The digitlization of carrying out that is based on traditional Da Qu system dispatching communication system forms the specialized mobile radio radio standard; The TETRA system is comprehensively professional at command scheduling, can accomplish communicating by letter of speech, circuit data, short data message and Packet data service.
IDEN (integrated digital enhanced network) system is main with the command scheduling business, has also that perfect duplex telephony is interconnected concurrently, a function such as data and short message.
The GT800 system has increased the function that command scheduling is used on the GSM basic network, be convenient to the dispatching desk access network, uses to provide more flexibly for command scheduling and supports.
GoTa system (open trunking architecture) optimizes on the cdma2000 technical foundation and transforms, and enables to satisfy the specification requirement of trunking communication.
Dimetra IP system is based on the expandable type digital cluster system of TETRA IP technology.Satisfy big capacity speech and its communication ability in the system design, group calling broadcast technology, QoS control, management data and business datum compress technique and the redundancy and the automatically restoring fault technology of enhancing is provided.This system comprises base station, expandable type Dimetra IP switch, digital packet terminal (hand-held intercom Vehicle mounted station) etc.
At present, the mobile communication service that provides through public telecom network receives the restriction of the network coverage can not realize the use in any time, any place.And the digital clustering communication system interface that generally uses is underground, and standard is open inadequately, and equipment cost is high, and construction speed is slow, can not satisfy the needs of emergency communication.
Summary of the invention
The present invention is directed to above-mentioned defective and disclose a kind of emergent trunked communication system; Its structure is following: the TETRE terminal connects the IP-TETRE base station with the mode of radio communication, and the IP switching network connects IP-TETRE base station, operation maintenance center, dispatching desk, WMG respectively through netting twine and based on the mobile switching centre of IP technology; The IP switching network connects the SIP soft-switch platform through netting twine, and the SIP soft-switch platform connects the PSTN network.
Said structure based on the technological mobile switching centre of IP is following: mobile switching centre connects sms center, base station control station, attaching position register/VLR Visitor Location Register respectively; Mobile switching centre connects WMG through the IP switching network, and base station control station connects the IP-TETRE base station through the IP switching network.
Said TETRE terminal is the hand-held intercom Vehicle mounted station of TETRE that possesses ETS 300 392-2 air interfaces.
Said IP-TETRE base station is single carrier IP-TETRE base station; Working frequency range is 806MHz～821MHz and 851MHz～866MHz; The centre frequency and the Duplex Spacing of IP-TETRE base station are following: upstream frequency is the MHz of 806.0125+0.025 * (N-1); Downstream frequency is 806.0125+0.025 * (N-1)+45MHz, and wherein N is a channel number.
The invention has the beneficial effects as follows: current, global digital clustering communication system development is rapid, and TETRA is just becoming the focus of seizing following global trunking communication market.The iTETRA2000 SNA more flexibly, data transmission bauds is faster, user device function is stronger, especially its function and the professional private network command scheduling and the emergent demand that can finely satisfy different industries after adopting IP technology and sip technique.
Description of drawings
Fig. 1 is a kind of structure chart of emergent trunked communication system;
Fig. 2 is the structure chart based on the mobile switching centre of IP technology;
Embodiment
Below in conjunction with accompanying drawing to further explain of the present invention.
As shown in Figure 1; A kind of structure of emergent trunked communication system is following: the TETRE terminal connects IP-TETRE base station (iBTS) with the mode of radio communication, and the IP switching network connects IP-TETRE base station, operation maintenance center (OMC), dispatching desk, WMG (MGW) respectively through netting twine 1 and based on the mobile switching centre (iMSC) of IP technology.Dispatching desk is communicated by letter through the standard Session Initiation Protocol with the IP switching network; WMG is communicated by letter through the standard Session Initiation Protocol with the IP switching network
The IP switching network connects SIP soft-switch platform (between the two through the communication of standard Session Initiation Protocol) through netting twine 1, and the SIP soft-switch platform connects PSTN network (inserting the PSTN network through relaying).
As shown in Figure 2; Structure based on the technological mobile switching centre of IP is following: mobile switching centre (MSC) connects sms center (SMC), base station control station (BSC), attaching position register/VLR Visitor Location Register (VLR/HLR) respectively; Mobile switching centre connects WMG through the IP switching network, and base station control station connects the IP-TETRE base station through the IP switching network.
The TETRE terminal is the hand-held intercom Vehicle mounted station of TETRE that possesses ETS 300 392-2 air interfaces.The IP-TETRE base station is single carrier IP-TETRE base station; Working frequency range is 806MHz～821MHz and 851MHz～866MHz; The centre frequency and the Duplex Spacing of IP-TETRE base station are following: upstream frequency is the MHz of 806.0125+0.025 * (N-1); Downstream frequency is 806.0125+0.025 * (N-1)+45MHz, and wherein N is channel number (1～600).
The TETRE terminal has calling; Functions such as note and GPS location; The IP-TETRE base station receives above-mentioned information (call information, note and GPS locating information), and its (through IP network) transferred to operation maintenance center, dispatching desk, WMG respectively and based on the mobile switching centre of IP technology.
The MGW WMG is used for that processed voice encoding and decoding, echo are eliminated, dtmf signal sends and receives, and accomplishes that terminal ACELP (Algebraic Code Excited Linear Prediction coding) encodes and the self adaptation of the various speech codings of soft-switch platform.
Operation maintenance center accomplishes management, BTS management, configuration management, fault management and the safety management of user's (group) and user terminal.
Dispatching desk is accomplished the functions such as voice scheduling, the management of TETRE terminal location, the scheduling of soft-switch platform user's voice and note scheduling at TETRE terminal.
Soft-switch platform and PSTN network insert the existing communication system of client as the access network of native system, realize interconnecting of native system and other communication systems.
The present invention's (iTETRE2000 trunked communication system) is based on the of new generation professional trunked communication system of TETRE air interface and soft-exchange construction, can mobile voice, note and data service be provided to the user.It takes the soft-exchange construction design, and the characteristics that have networking flexibility, equipment cost is low, volume is little, are easy to carry and transport are fit to set up various emergency communication systems.
Mobile switching centre in iMSC is integrated traditional TETRE network, base station controller, attaching position register/VLR Visitor Location Register, sms center and etc. the function of various piece.Communicate by letter with soft-switch platform through Session Initiation Protocol based on SIP.
The iTETRE2000 trunked communication system can provide half/functions such as full duplex is exhaled, caller identification, urgent call, pre-occupied priority call and the group calling of TMO/DMO pattern, single station cluster, zone calling, correspondent identification, scheduling authorization calling.
Claims (4)
1. emergent trunked communication system; It is characterized in that; Its structure is following: the TETRE terminal connects the IP-TETRE base station with the mode of radio communication, and the IP switching network connects IP-TETRE base station, operation maintenance center, dispatching desk, WMG respectively through netting twine (1) and based on the mobile switching centre of IP technology; The IP switching network connects the SIP soft-switch platform through netting twine (1), and the SIP soft-switch platform connects the PSTN network.
2. a kind of emergent trunked communication system according to claim 1; It is characterized in that; Said structure based on the technological mobile switching centre of IP is following: mobile switching centre connects sms center, base station control station, attaching position register/VLR Visitor Location Register respectively; Mobile switching centre connects WMG through the IP switching network, and base station control station connects the IP-TETRE base station through the IP switching network.
3. a kind of emergent trunked communication system according to claim 1 is characterized in that, said TETRE terminal is the hand-held intercom Vehicle mounted station of TETRE that possesses ETS 300 392-2 air interfaces.
4. a kind of emergent trunked communication system according to claim 1; It is characterized in that; Said IP-TETRE base station is single carrier IP-TETRE base station, and working frequency range is 806MHz～821MHz and 851MHz～866MHz, and the centre frequency and the Duplex Spacing of IP-TETRE base station are following: upstream frequency is the MHz of 806.0125+0.025 * (N-1); Downstream frequency is 806.0125+0.025 * (N-1)+45MHz, and wherein N is a channel number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104527833A CN102448021A (en) | 2011-12-29 | 2011-12-29 | Emergency trunking communication system |
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| CN2011104527833A CN102448021A (en) | 2011-12-29 | 2011-12-29 | Emergency trunking communication system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103685785A (en) * | 2012-09-03 | 2014-03-26 | 辽源环宇佳讯通讯技术有限公司 | Multi-system interconnection gateway based digital interconnection system method |
| CN106375315A (en) * | 2016-08-31 | 2017-02-01 | 北京京航计算通讯研究所 | Emergency command system based on SIP (Session Initiation Protocol) |
| CN106411850A (en) * | 2016-08-31 | 2017-02-15 | 北京京航计算通讯研究所 | SIP protocol based emergency communication method |
| US9735981B2 (en) | 2015-03-03 | 2017-08-15 | At&T Intellectual Property I, L.P. | Facilitation of session initiation protocol trunking |
| CN108667772A (en) * | 2017-03-30 | 2018-10-16 | 通号通信信息集团上海有限公司 | The method and system to interconnect for realizing different manufacturers TETRA system centre grades |
| CN108696828A (en) * | 2017-02-13 | 2018-10-23 | 普天信息技术有限公司 | The roaming processing method of wireless dispatching desk |
| CN109936821A (en) * | 2017-12-18 | 2019-06-25 | 海能达通信股份有限公司 | Terminal positional information acquisition methods and group system, Vehicle mounted station and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103685785A (en) * | 2012-09-03 | 2014-03-26 | 辽源环宇佳讯通讯技术有限公司 | Multi-system interconnection gateway based digital interconnection system method |
| US9735981B2 (en) | 2015-03-03 | 2017-08-15 | At&T Intellectual Property I, L.P. | Facilitation of session initiation protocol trunking |
| CN106375315A (en) * | 2016-08-31 | 2017-02-01 | 北京京航计算通讯研究所 | Emergency command system based on SIP (Session Initiation Protocol) |
| CN106411850A (en) * | 2016-08-31 | 2017-02-15 | 北京京航计算通讯研究所 | SIP protocol based emergency communication method |
| CN106375315B (en) * | 2016-08-31 | 2019-05-24 | 北京京航计算通讯研究所 | A kind of emergency commading system based on Session Initiation Protocol |
| CN106411850B (en) * | 2016-08-31 | 2019-05-24 | 北京京航计算通讯研究所 | A kind of emergency communication method based on Session Initiation Protocol |
| CN108696828A (en) * | 2017-02-13 | 2018-10-23 | 普天信息技术有限公司 | The roaming processing method of wireless dispatching desk |
| CN108696828B (en) * | 2017-02-13 | 2021-08-20 | 普天信息技术有限公司 | Roaming processing method for wireless dispatching desk |
| CN108667772A (en) * | 2017-03-30 | 2018-10-16 | 通号通信信息集团上海有限公司 | The method and system to interconnect for realizing different manufacturers TETRA system centre grades |
| CN109936821A (en) * | 2017-12-18 | 2019-06-25 | 海能达通信股份有限公司 | Terminal positional information acquisition methods and group system, Vehicle mounted station and system |
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Application publication date: 20120509 |