CN102595312A - Method for transmitting locating information by cluster communication system by the aid of idle traffic channels - Google Patents
Method for transmitting locating information by cluster communication system by the aid of idle traffic channels Download PDFInfo
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- CN102595312A CN102595312A CN2012100321249A CN201210032124A CN102595312A CN 102595312 A CN102595312 A CN 102595312A CN 2012100321249 A CN2012100321249 A CN 2012100321249A CN 201210032124 A CN201210032124 A CN 201210032124A CN 102595312 A CN102595312 A CN 102595312A
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Abstract
Disclosed is a method for transmitting locating information by a cluster communication system by the aid of idle traffic channels. The method is used for configuring a mobile terminal which can support short data teleservices in a standard cluster communication system which can achieve short data calling. The method comprises that the mobile terminal packages the locating information in the short data after receiving the locating information, and sends transmitting requests with specific identifications to the system; the cluster system queries whether idle traffic channels are available or not in traffic channel lists after receiving the requests, and instructs the mobile terminal by control instructions to transmit the locating information through the idle traffic channels if the idle traffic channels are available; the idle traffic channels receive calling request instructions which are sent by the mobile terminal, judge whether the calling request instructions are transmitting the locating information or not, accept and process the instructions if the instructions are sending the locating information, and transmit the analytic locating information to a scheduling system or a locating system of the system; and the idle traffic channels discard and do not process the instructions if the instructions are not sending the locating information. The utilization efficiency of system traffic channels is improved by means of utilization of the idle traffic channels in the present cluster communication system.
Description
Technical field
The invention belongs to communication field, be mainly used in the specialized communication system, relate in particular to the method that a kind of trunked communication system utilizes idle business channel transmission short data.
Background technology
Trunked communication system; It is a kind of specific schedule GSM of shared wireless channel; It has adopted multichannel common and the dynamic assignment Channel Technology in the modern communications, have exhale, scheduling features such as group calling and broadcast & call, be characterized in that call setup is fast, the user has different priorities, restriction call time; And possess the distant function of getting killed, bring back to life, be fit to very much departments such as public security, army, forestry and use.
Short data service is data service main in the group system.Utilize short data service, can realize the expansion of a lot of data services, for example GPS/ Big Dipper location.Portable terminal; Can utilize short data service; With the locating information of self, send to the command scheduling center of system, PGIS (the Police Geographic Information System) system of specific schedule software or public security is passed through at the command scheduling center again; The position of each portable terminal is shown, locatees, other the application of also can redeveloping simultaneously.
At present, the private network communication system very ripe with popularize, phonetic function and various scheduling feature are quite perfect, are constantly bringing forth new ideas and expand new business function; The PGIS system of public security has simultaneously also obtained wideling popularize, and has been widely applied in the dispatching patcher of public security at present; The various products for civilian use of the GPS/ Big Dipper are very universal, and public security system need organically combine the scheduling of enhanced system, command ability with locating information and dispatching patcher, the PGIS of portable terminal too.
Existing public security portable terminal transmission locating information mainly is to utilize the data module of public network, and many is the GPRS module.Use this kind method can run into following problem:
1) in the inner or subject for ridicule of portable terminal, the GPRS module is installed, the problem with volume of considering to supply power;
2) use the GPRS module need pay monthly rental, improved use cost, increase burden for users;
3) utilize the public network transmission,, be subject to the accident influence owing to there is not user gradation.
Summary of the invention
The purpose of this invention is to provide the method that a kind of trunked communication system utilizes idle business channel transmission locating information; It utilizes Traffic Channel idle in the current group system; Rather than utilize the public network GPRS module, and transmit short data information, can solve prior art problems preferably.
For realizing above-mentioned purpose, the present invention takes following design:
A kind of trunked communication system utilizes the method for idle business channel transmission locating information, is used for realizing the regular set group communication system of short data call business, is equipped with the portable terminal of supporting short data service; Its method step is following:
1) after portable terminal obtains locating information, locator data is encapsulated in the short data, sends the call request that contains the locating information short data to system, this call request carries the special identifier of locating information;
2) control channel of group system receive confirm as be the locating information call request of portable terminal transmission after; Whether inquiry has idle Traffic Channel in channel list; If there is not idle Traffic Channel in the current system, then send transmission requests once more after the control channel of group system notice portable terminal time-delay a period of time; If idle Traffic Channel is arranged in the current system, then sends locating information to this on one of them idle Traffic Channel through the control command indicating mobile terminal;
3) idle Traffic Channel is received the call request instruction that portable terminal sends, and judges whether to be that locating information is sent in request, if then accept and handle, the locating information that parses is passed to the dispatching patcher or the navigation system of system; If not location information requests, then abandon this call request, disregard.
Described trunked communication system utilizes in the method for idle business channel transmission locating information, and the special identifier of said locating information is can be by the specific purposes address of making an appointment of group system identification.
Above-mentioned steps 2) in; If idle Traffic Channel is arranged in the current system; After then group system is sought one of them and is obtained the frequency information of this idle business channel; Portable terminal to request sends a dedicated service assignment signalling, includes the frequency information and the ID identification information of distributing to portable terminal of idle business channel in this dedicated service assignment signalling; The portable terminal that sends call request is received and from wherein obtaining the frequency information of corresponding Traffic Channel, is transformed into this Traffic Channel after the dedicated service assignment signalling of system, with the form transmission locating information of short data.
Above-mentioned steps 3) in, from the transmission requests that idle business channel receives, parses the ID sign and the locating information of portable terminal.
Described trunked communication system utilizes in the method for idle business channel transmission locating information; Send the portable terminal of the short data call request that includes locating information and receive after the dedicated service assignment signalling of system, a characteristic indication position is set in internal storage; Sent after the short data that contains locating information in Traffic Channel, this portable terminal detects the characteristic indication position of internal storage, if this characteristic indication position is effective, then portable terminal returns former control channel automatically, gets into stand-by state again.
Portable terminal at first is kept at locating information in self memory after obtaining locating information, when arriving according to the pre-configured timing parameters cycle, and perhaps transmission transmission requests when the distance that moves exceeds predefined threshold values.
The control channel of group system is received after the short data call request that contains locating information of portable terminal transmission; Judge at first whether this portable terminal is the validated user of registration in the current system; If this portable terminal is not that then system's refusal is handled this call request; If this portable terminal is that then system's control channel can be accepted this call request, is for further processing.
Described portable terminal is hand-held station or Vehicle mounted station, is preferably the travelling carriage of GPS/ Big Dipper hand miaow or the Vehicle mounted station of GPS/ Big Dipper module.
Advantage of the present invention is:
1) adopts method of the present invention, can make full use of the transmission that Traffic Channel idle in the current system positions information, improve the utilization ratio of system channel resource.
2) through adopting method of the present invention; If idle Traffic Channel is arranged, control channel only is responsible for accomplishing the domination of channel, and this process time is short; Compare with traditional control channel transmission method; Transmission time shortens to 1/4th, has therefore improved the disposal ability of system, and the access speed of system will improve greatly.
3) this method at some in particular cases or system business when busy can be accomplished some specific user's request according to the concrete configuration of system and requesting party's different rights, has demonstrated fully the advantage of colony dispatching net.
Description of drawings
Fig. 1 is system handles message sequence chart of the present invention (MSC figure, Message Sequence Chart).
Fig. 2 is a mobile terminal request flow chart in the inventive method.
Fig. 3 is the control channel process chart of group system in the inventive method.
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further explanation.
Embodiment
Trunked communication system of the present invention utilizes the realization basis of the method for idle business channel transmission locating information to be:
1) trunked communication system of standard at first has been installed in the system; 2) portable terminal of installing and locating equipment.
Trunked communication system of the present invention utilizes the method for idle business channel transmission locating information referring to shown in Figure 1:
S1: portable terminal sends transmission requests to group system, prepares the locating information of transmission self;
S2: the control channel of group system is the Traffic Channel that portable terminal distributes a free time through dedicated signaling;
S3: portable terminal sends to self locating information data the Traffic Channel of group system;
S4: the Traffic Channel of group system is received after the self poisoning information of portable terminal, is transmitted to the command scheduling center of system.
Trunked communication system of the present invention utilizes the concrete implementation procedure of method of idle business channel transmission locating information to be:
1) portable terminal of installing and locating equipment is after obtaining locating information, and locating information is kept in self memory.According to pre-configured parameter, can be timing cycle when arriving, or be the distance that moves when exceeding predefined threshold values that portable terminal initiates to comprise the short data call request of the specific type of locating information to group system.
2) control channel of group system is received after the short data call request that contains locating information of portable terminal transmission, judges whether this portable terminal is the validated user of registration in the current system, if portable terminal is not that then system's refusal is handled this call request; If then system's control channel can be accepted this call request, is for further processing.
3) whether the inquiry in the current active list of traffic channels that system preserves of the control channel of group system has idle Traffic Channel; If have then select one of them Traffic Channel and read the frequency information of this channel; Then through special-purpose control command; Wherein include the identification information of portable terminal of frequency information and the request of this idle business channel, indicate this portable terminal on this idle Traffic Channel, to send self current locating information with the form of short data.
4) appointed Traffic Channel is received the short data call request instruction that above-mentioned portable terminal sends; Judge whether to including the short data of self poisoning information; If then accept this short data call request; And from packet, parse locating information and the ID identification information of portable terminal self wherein, and dispatching patcher, navigation system or other that all information pass to system are needed the unit of locating information; If the short data information that portable terminal sends is not the request that includes self poisoning information, then abandon this call request, disregard.
5) if after the short data call request that contains self GPS locating information that the control channel mobile terminal receive of group system sends; And there is not idle Traffic Channel in the current system at this moment; Then control channel can be according to the concrete configuration parameter of system and the busy extent of current business, sends transmission requests once more after notice portable terminal time-delay a period of time.
6) portable terminal has sent after the short data that contains locating information, goes back to former control channel automatically, gets into stand-by state again.
In the method for the invention, as shown in Figure 2, the workflow of portable terminal is:
1) obtains after the locating information, earlier locating information is kept in self memory;
2) adopt a special destination address (this address value is the address that system reserves, and group system is used it as the locating information gateway address) to send the short data call request that contains locating information to group system;
3) can be accepted by the group system control channel if contain the short data call request of locating information; Then can receive the dedicated service assignment signalling of group system; A characteristic indication position at first is set in internal storage, changes Traffic Channel over to and send the short data that contains locating information.
4) after Traffic Channel has been sent the short data that contains locating information, this portable terminal detects the characteristic indication position of internal storage, if this characteristic indication position is effective, then portable terminal returns former control channel automatically, gets into stand-by state again.
In the method for the invention, as shown in Figure 3, the workflow of group system is:
1) waits for the reception instruction;
2) receive that portable terminal contains the short data call request of locating information after, at first examine the validated user whether this portable terminal is registration in the current system, whether this call request has the special identifier of discernible locating information;
3) if the short data call request that contains locating information that meets the demands is arranged, then the group system control channel is accepted this call request and whether inquiry system has idle business channel;
4) if idle business channel is arranged, then specify one of which, and notice is sent the idle business channel transmission locating information of the portable terminal of call request to this appointment;
5) if there is not idle business channel, the instruction of redispatching after then the notice portable terminal that sends call request postpones.
Above-mentioned each embodiment can should be regarded as exemplary so above explanation comprises not departing from the scope of the present invention down in addition some variations, but not in order to limit the protection range that the present invention applies for a patent.
Claims (7)
1. a trunked communication system utilizes the method for idle business channel transmission locating information, is used for realizing the regular set group communication system of short data call business, is equipped with the portable terminal of supporting short data service; It is characterized in that method step is following:
1) after portable terminal obtains locating information, locator data is encapsulated in the short data, sends the transmission requests that contains the locating information short data to system, this transmission requests carries the special identifier of locating information;
2) control channel of group system receive confirm as be the locating information call request of portable terminal transmission after; Whether inquiry has idle Traffic Channel in channel list; If there is not idle Traffic Channel in the current system, then send transmission requests once more after the control channel of group system notice portable terminal time-delay a period of time; If idle Traffic Channel is arranged in the current system, then on the Traffic Channel of this free time wherein, send locating information through the control command indicating mobile terminal;
3) idle Traffic Channel is received the call request instruction that portable terminal sends, and judges whether to sending the request of locating information, if then accept and handle, the locating information that parses is passed to the dispatching patcher or the navigation system of system; If not location information requests, then abandon this call request, disregard.
2. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information, it is characterized in that: the special identifier of said locating information is can be by the specific purposes address of making an appointment of group system identification.
3. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information; It is characterized in that: said step 2); If idle Traffic Channel is arranged in the current system; After then group system is sought one of them and is obtained the frequency information of this idle business channel; Portable terminal to request sends a dedicated service assignment signalling, includes the frequency information and the ID identification information of distributing to portable terminal of idle business channel in this dedicated service assignment signalling; The portable terminal that sends call request is received and from wherein obtaining the frequency information of corresponding Traffic Channel, is transformed into this Traffic Channel after the dedicated service assignment signalling of system, with the form transmission locating information of short data.
4. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information, it is characterized in that: in the said step 3), from the transmission requests that idle business channel receives, parse the ID sign and the locating information of portable terminal.
5. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information; It is characterized in that: the portable terminal that sends the short data call request that includes locating information is received after the dedicated service assignment signalling of system, and a characteristic indication position is set in internal storage; Sent after the short data that contains locating information in Traffic Channel, this portable terminal detects the characteristic indication position of internal storage, if this characteristic indication position is effective, then portable terminal returns former control channel automatically, gets into stand-by state again.
6. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information; It is characterized in that: portable terminal is after obtaining locating information; At first locating information is kept in self memory; When arriving according to pre-configured timing parameters cycle, or the distance that moves when portable terminal is when exceeding predefined threshold values, and portable terminal comprises the short data transmission requests of locating information to the group system initiation.
7. trunked communication system according to claim 1 utilizes the method for idle business channel transmission locating information; It is characterized in that: the control channel of group system is received after the short data call request that contains locating information of portable terminal transmission; Judge at first whether this portable terminal is the validated user of registration in the current system; If this portable terminal is not that then system's refusal is handled this call request; If this portable terminal is that then system's control channel can be accepted this call request, is for further processing.
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| CN201210032124.9A CN102595312B (en) | 2012-02-14 | 2012-02-14 | Method for transmitting locating information by cluster communication system by the aid of idle traffic channels |
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| CN201210032124.9A CN102595312B (en) | 2012-02-14 | 2012-02-14 | Method for transmitting locating information by cluster communication system by the aid of idle traffic channels |
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Cited By (8)
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| CN103024668A (en) * | 2012-11-28 | 2013-04-03 | 海能达通信股份有限公司 | Method, system and associated equipment for transmitting locator data under cluster mode |
| WO2014082217A1 (en) * | 2012-11-28 | 2014-06-05 | 海能达通信股份有限公司 | Method, system and relevant device for transmitting positioning data in cluster mode |
| CN104717615A (en) * | 2013-12-13 | 2015-06-17 | 摩托罗拉解决方案公司 | Method and apparatus for informing a radio of a group-call started while the radio was away from a control channel |
| WO2018187896A1 (en) * | 2017-04-10 | 2018-10-18 | 海能达通信股份有限公司 | Call establishment method and apparatus |
| CN109005225A (en) * | 2018-07-27 | 2018-12-14 | 中船电子科技有限公司 | A kind of cluster communication schedule method applied to customs preventive |
| CN110399416A (en) * | 2019-07-24 | 2019-11-01 | 成都甄识科技有限公司 | A kind of Distributed Database Operation optimization access processing method and system |
| CN110519707A (en) * | 2019-08-13 | 2019-11-29 | 河北远东通信系统工程有限公司 | A kind of narrow-band digital colony terminal cooperative information sharing method |
| CN112511984A (en) * | 2020-12-01 | 2021-03-16 | 东方通信股份有限公司 | Method for realizing indoor positioning of PDT terminal |
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| WO2004082298A2 (en) * | 2003-03-14 | 2004-09-23 | Nortel Networks Limited | Providing a location service in a wireless communications network using an indication of whether the location service is an emergency-related location service or a law enforcement-related location service |
| CN101364912A (en) * | 2007-08-07 | 2009-02-11 | 华为技术有限公司 | Method for spacial multiplex establishment by direct link, work station and control access point apparatus |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024668A (en) * | 2012-11-28 | 2013-04-03 | 海能达通信股份有限公司 | Method, system and associated equipment for transmitting locator data under cluster mode |
| WO2014082217A1 (en) * | 2012-11-28 | 2014-06-05 | 海能达通信股份有限公司 | Method, system and relevant device for transmitting positioning data in cluster mode |
| CN103024668B (en) * | 2012-11-28 | 2015-09-23 | 海能达通信股份有限公司 | Method, system and relevant device that locator data under cluster mode is transmitted |
| CN104717615A (en) * | 2013-12-13 | 2015-06-17 | 摩托罗拉解决方案公司 | Method and apparatus for informing a radio of a group-call started while the radio was away from a control channel |
| CN104717615B (en) * | 2013-12-13 | 2018-06-29 | 摩托罗拉解决方案公司 | Start when radio device is far from control channel the method and apparatus that group exhales to radio device notice |
| WO2018187896A1 (en) * | 2017-04-10 | 2018-10-18 | 海能达通信股份有限公司 | Call establishment method and apparatus |
| CN109005225A (en) * | 2018-07-27 | 2018-12-14 | 中船电子科技有限公司 | A kind of cluster communication schedule method applied to customs preventive |
| CN109005225B (en) * | 2018-07-27 | 2020-11-20 | 中船电子科技有限公司 | Cluster communication scheduling method applied to customs republishing |
| CN110399416A (en) * | 2019-07-24 | 2019-11-01 | 成都甄识科技有限公司 | A kind of Distributed Database Operation optimization access processing method and system |
| CN110399416B (en) * | 2019-07-24 | 2023-08-22 | 成都甄识科技有限公司 | Distributed database operation optimization access processing method and system |
| CN110519707A (en) * | 2019-08-13 | 2019-11-29 | 河北远东通信系统工程有限公司 | A kind of narrow-band digital colony terminal cooperative information sharing method |
| CN110519707B (en) * | 2019-08-13 | 2021-04-30 | 河北远东通信系统工程有限公司 | Narrow-band digital cluster terminal cooperation information sharing method |
| CN112511984A (en) * | 2020-12-01 | 2021-03-16 | 东方通信股份有限公司 | Method for realizing indoor positioning of PDT terminal |
| CN112511984B (en) * | 2020-12-01 | 2022-05-24 | 东方通信股份有限公司 | Method for realizing indoor positioning of PDT terminal |
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