CN103517215A - Terminal and PTT call establishment method - Google Patents
Terminal and PTT call establishment method Download PDFInfo
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- CN103517215A CN103517215A CN201210207958.9A CN201210207958A CN103517215A CN 103517215 A CN103517215 A CN 103517215A CN 201210207958 A CN201210207958 A CN 201210207958A CN 103517215 A CN103517215 A CN 103517215A
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Abstract
The invention provides a terminal and a PTT call establishment method. The terminal comprises a PTT button and a modem chip which are connected with each other. the PTT button is used for sending a call initiating request signal to the modem chip through the connection with the modem chip when sensing a PTT call trigger action, wherein the modem chip is in a dormant or listen state. The modem chip is used for responding to the call initiating request signal, assembling a call application message, carrying out message interactions with network side equipment and establishing PTT call. According to the terminal and the PTT call establishment method, rapid PTT call establishment can be realized.
Description
Technical field
The present invention relates to Clustering, relate in particular to a kind of terminal and PTT call-establishing method, belong to communication technical field.
Background technology
Along with the demand growth of people to multimedia service, on intelligent machine, carrying PTT (Push To Talk, PTT) business has become communications industry development trend.
The structure of intelligent machine generally includes application processor (Application Process, AP) and modulator-demodulator (Modem) two parts, and wherein AP is mainly responsible for the operation of operating system and application software, and modulator-demodulator is mainly responsible for communication protocol stack.Mostly the function that realizes at present PTT on intelligent machine is to adopt a kind of mode of client software.
Fig. 1 is that in prior art, intelligent machine is carried out the example flow diagram that PTT calls out.As shown in Figure 1, when user is provided by the PTT button providing on intelligent machine, corresponding software in intelligent machine operating system is usingd AP as triggering starting point, first wake this process of AP(up and produce 80ms time delay), after AP wakes up, send group call application to Telephone Management Agency person (Call Manager, CallMgr) (this process produces 5ms time delay), CallMgr carries out phone processing (this process produces 20ms time delay), and to radio interface layer (Radio Interface Layer, RIL) send RIL message (this process produces 5ms time delay), RIL notice safe digital card standard interface (Secure Digital Input/Output, SDIO) (this process produces 5ms time delay), by SDIO, Modem is carried out to reading and writing data again, send group call AT instruction (Attention Command, this process produces 10ms time delay), with morning call Business Processing (Modem side) (this process produces 10ms time delay), thereby for example, carry out interacting message by Modem and network side (being the base station (Station) of Long Term Evolution project network (LTE NET)), set up communication process.
While adopting such intelligent machine to realize PTT business, from user, initiating PTT calls out, carries out message interaction process to Modem and network side, be that Modem side telephone service is processed (Call Process, CP) the required time delay of wakeup process is 80ms+5ms+20ms+5ms+10ms+10ms, visible this Modem side CP arouse machine processed makes call set up delay larger, the more excellent duration of current operation is 500ms, and PTT is exactly fast reaction as a primary demand of emergency communication.Therefore the quick response that, how to realize PTT business on intelligent machine is one and is badly in need of the technical problem solving.
Summary of the invention
For the defect existing in prior art, the invention provides a kind of terminal and PTT call-establishing method, realize Rapid Establishment PTT and call out.
On the one hand, the invention provides a kind of terminal, comprise PTT button and modem chip, described PTT button is connected with described modem chip, wherein:
Described PTT button is for when sensing that initiating PTT calls out trigger action, by with being connected of described modem chip, to the described modem chip request signal that makes a call, wherein said modem chip is in dormant state or monitoring state;
The request signal that makes a call described in described modem chip is used for responding, assembling call request message, and carry out interacting message with network equipment, set up PTT and call out.
On the one hand, the invention provides a kind of PTT call-establishing method of realizing based on terminal of the present invention, comprising:
The trigger action that the key induced initiation of PTT PTT calls out, by with being connected of modem chip, to the described modem chip request signal that makes a call, wherein said modem chip is in dormant state or monitoring state;
The request signal that makes a call described in the response of described modem chip, assembling call request message, and carry out interacting message with network equipment, set up PTT and call out.
According to terminal of the present invention and PTT call-establishing method, because PTT key is connected with Modem chip, when sensing that initiating PTT calls out trigger action, by with being connected of described modem chip, to the described modem chip request signal that makes a call, and after wake-up waiting AP, by AP, do not send AT instruction to Modem chip, avoid utilization to wake AP up and sent out AT instruction to the loaded down with trivial details like this signaling process of Modem chip, thereby reached the effect that Rapid Establishment PTT calls out.
Accompanying drawing explanation
Fig. 1 is that in prior art, intelligent machine is carried out the example flow diagram that PTT calls out.
Fig. 2 is the structural representation of the terminal of the embodiment of the present invention one.
Fig. 3 is the structural representation that PTT button is connected with Modem chip.
Fig. 4 is that the terminal of the embodiment of the present invention is carried out the example flow diagram that PTT calls out.
Fig. 5 utilizes the terminal of the embodiment of the present invention to initiate at Idle state the example flow diagram that PTT calls out.
Fig. 6 utilizes the terminal of the embodiment of the present invention in the example flow diagram of monitoring state initiation PTT calling.
Fig. 7 is the structural representation that PTT button, AP and Modem chip connect.
Fig. 8 is the flow chart of the PTT call-establishing method of the embodiment of the present invention three.
Embodiment
Embodiment mono-
Fig. 2 is the structural representation of the terminal of the embodiment of the present invention one.As shown in Figure 2, this terminal comprises PTT (Push To Talk, PTT) button 21 and modulator-demodulator (Modem) chip 22, and PTT button 21 is connected with Modem chip 22, wherein:
Modem chip 22, for responding the request signal that makes a call, is assembled call request message, and is carried out interacting message with network equipment, sets up PTT and calls out.
According to the terminal of the present embodiment, because PTT key is connected with Modem chip, when sensing that initiating PTT calls out trigger action, by with being connected of described modem chip, to the described modem chip request signal that makes a call, and after wake-up waiting AP, by AP, do not send AT instruction to Modem chip, avoid utilization to wake AP up and sent out AT instruction to the loaded down with trivial details like this signaling process of Modem chip, thereby reached the effect that Rapid Establishment PTT calls out.
Embodiment bis-
On the basis of above-described embodiment one, described PTT button and Modem chip are direct-connected;
Described PTT button is also for when sensing that initiating PTT calls out trigger action, and direct-connected by with Modem chip wakes the chip in the Modem of dormant state up.
Hereinafter, to be mobile phone describe as example the terminal of take, but it is only as an example of the present invention, and be not used as the concrete restriction to terminal.
Particularly, Fig. 3 is the structural representation that PTT button is connected with Modem chip.As shown in Figure 3, PTT button (PTT_KEY) for example can be connected with mobile phone by Si Ge contact 1a, 1b, 1c and 1d, wherein, contact 1a, 1b and 1c ground connection, contact 1d is connected (being for example port GPIO_7) with general programmable I/O port (GPIO) port of Modem chip 22.When PTT button is not pressed, PTT button is connected with 1aHe contact, contact 1b, and now contact 1cHe contact 1d is vacant, and not to GPIO_7 transmitted signal, GPIO_7 port is got default value " 1 ", and under this state, Modem chip 22 is not subject to wake-up trigger; When PTT button is pressed, PTT button is connected with 2aHe contact, contact 2b, form being electrically connected between GPIO_7 port and ground connection, thereby port GPIO_7 is switched to low level " 0 " by high level " 1 ", by the saltus step from high to low of this level, complete the triggering of Modem chip 22 is controlled, wake CP up.
The syndeton of the PTT button shown in Fig. 3 and Modem chip is only as a concrete example of the embodiment of the present invention, and it is not with the restriction of doing the syndeton of PTT button and Modem chip.Those skilled in the art will appreciate that PTT button and Modem chip can pass through arbitrary end on the one hand, mouthful connection; On the other hand, except completing by level saltus step from high to low the triggering control of Modem chip, also can be by suitably regulating the connection of Si Ge contact 1a, 1b, 1c and 1d, by level saltus step from low to high, completed the triggering of Modem chip is controlled, for example GPIO_7 port is got default value " 0 ”,Qie contact 1c is connected with high potential.
Fig. 4 is that the terminal of the embodiment of the present invention is carried out the example flow diagram that PTT calls out.As shown in Figure 4, when user need initiate urgent call, by pressing the PTT button setting in advance on cell phone keyboard, trigger PTT and call out, to the Modem request signal that makes a call, to wake the call processing device (Call Processor, CP) of Modem side up.Wherein, the time delay of waking CP up is that 10ms(should be worth for reference value, according to different CP characteristics, will have difference).Wake up after CP, CP assembles call request message in Modem chip side, and for example, carries out interacting message with network side (being Long Term Evolution project network (LTE NET)).Wherein, CP is in Modem chip side assembling call request message, and the flow process of carrying out interacting message with network side is for example in prior art, when mobile phone makes a call and the mutual arbitrary procedure of network side, repeats no more herein.
According to the terminal of the present embodiment, because the hardware of PTT key is directly linked Modem chip, but not be connected to AP side according to prior art, avoid utilization to wake AP up and sent out AT instruction to the loaded down with trivial details like this signaling process of Modem chip.The required time delay of Modem side CP wakeup process is only 10ms, thereby reach call, sets up the effect of response fast.Meanwhile, because the simplification of PTT call flow has also reduced the consumption of intelligent machine system resource to a certain extent, saved battery power consumption, but also reduced the probability of makeing mistakes on tediously long path.
Embodiment tri-
On the basis of above-described embodiment two, terminal also comprises AP, and described PTT button is connected with described AP;
Correspondingly, described PTT button is also for when sensing that initiating PTT calls out trigger action, by with being connected of described AP, wake described AP up.
Wherein, for example adopt any AP of the prior art and the connected mode of PTT button to realize being connected of AP and PTT button in the present embodiment.
Respectively terminal is described in free time (Idle) state initiation PTT calling (being the right to apply for words) and the PTT call setup flow process in monitoring state initiation PTT calling (being that right of speech is seized) two kinds of situations below.
Fig. 5 utilizes the terminal of the embodiment of the present invention to initiate at Idle state the example flow diagram that PTT calls out.Wherein, each related time delay numerical value is reference value, exists different according to the specific implementation of each product.As shown in Figure 5, comprise the following steps :)
Step 5.1, PTT key is pressed, and kernel and Modem chip is triggered to control simultaneously;
Step 5.2, wakes AP and CP up, wherein wakes AP up and wakes CP executed in parallel up, wakes AP up and needs 80ms, wakes CP up and needs 10ms;
Step 5.3, CP is to LTE NET application sending the right words primitive, and this process needs 5ms, and this process can be with to wake AP up parallel;
Step 5.4, network side is mutual and send right of speech mandate to CP, and this process needs 270ms altogether;
Step 5.5, CP executed in parallel is notified SDIO and is opened Mike (MIC), wherein notifies SDIO to need 2ms, opens MIC and needs 20ms;
Step 5.6, after SDIO reception notification, (without waiting for that MIC opens), carries out SDIO reading and writing data to kernel, and this process needs 10ms;
Step 5.7, SDIO completes after the SDIO reading and writing data of kernel, to RIL, sends RIL message, and this process needs 5ms;
Step 5.8, RIL notice CallMgr carries out phone processing, and this process needs 20ms;
Step 5.9, CallMgr completes after phone processing, notification audio displaying audio file, AP is upper connects with buzzer prompting, and this process needs 20ms; CallMgr also can synchronization notice user interface (User Interface, UI) carry out UI demonstration, and this process needs 60ms, and demonstration can lag behind.
While setting up PTT calling according to flow process shown in Fig. 5, owing to waking AP process up and can be parallel to the operation of Modem side, and the process that CP opens MIC can be parallel to the operation of AP side, therefore the time of actual consumption comprises: " waking the 10ms of CP up ", " CP is to the 5ms that needs of LTE NET application sending the right words primitive ", " 270ms of the mutual and right of speech mandate of network side ", " 2ms of notice SDIO ", " 10ms of SDIO reading and writing data ", " 5ms of RIL message ", " 20ms that phone is processed " and " 20ms of notification audio displaying audio file ", altogether about 342ms.Because SDIO, RIL, CallMgr and audio frequency/UI control by AP, therefore, in the time delay of 342ms, comprise the Modem side time delay of 287ms and the AP side time delay of 55ms.
Wherein, the above-mentioned connection PTT required duration of conversing be take the paging cycle of 160ms and is calculated as example, is a conservative duration, and under normal conditions, 300ms can complete connection.
Fig. 6 utilizes the terminal of the embodiment of the present invention in the example flow diagram of monitoring state initiation PTT calling.The difference that itself and Idle state are initiated PTT calling is: do not need to wake up AP, but need to increase the step of a mute speaker (Speaker).
Particularly, as shown in Figure 6, comprise the following steps:
Step 6.1, PTT key is pressed, and Modem chip is triggered to control;
Step 6.2, wakes CP up, and this process needs 10ms;
Step 6.3, CP is to LTE NET application sending the right words primitive, and this process needs 5ms;
Step 6.4, network side is mutual and send right of speech mandate to CP, and this process needs 140ms altogether;
Step 6.5, CP executed in parallel is notified SDIO and is opened Mike (MIC), wherein notifies SDIO to need 2ms, opens MIC and needs 20ms;
Step 6.6, after SDIO reception notification, (without waiting for that MIC opens), carries out SDIO reading and writing data to kernel, and this process needs 10ms;
Step 6.7, bottom, by reading after the data in SDIO interface, sends RIL message to RIL, and this process needs 5ms;
Step 6.8, RIL notice CallMgr carries out phone processing, and this process needs 20ms;
Step 6.9, CallMgr completes after phone processing, controls and closes Speaker, and this process needs 5ms;
Step 6.10, closes after Speaker, notification audio displaying audio file, and AP is upper connects with buzzer prompting, and this process needs 20ms; CallMgr also can show by synchronization notice UI, and this process needs 50ms, and demonstration can lag behind.
While setting up PTT calling according to flow process shown in Fig. 6, the time of actual consumption comprises: " waking the 10ms of CP up ", " CP is to the 5ms that needs of LTE NET application sending the right words primitive ", " 140ms of the mutual and right of speech mandate of network side ", " 2ms of notice SDIO ", " 10ms of SDIO reading and writing data ", " 5ms of RIL message ", " 20ms that phone is processed ", " closing the 5ms of Speaker " and " 20ms of notification audio displaying audio file ", altogether about 217ms.Under normal conditions, about 200ms can complete connection.
According to above-mentioned analysis, can find out, utilize the terminal of the embodiment of the present invention to carry out PTT calling, with respect to current industry preferably 500ms duration reduced 40%.
Embodiment tetra-
On the basis of above-described embodiment one, terminal also comprises: application processor AP, and described PTT button is connected with described modem chip via described AP;
Correspondingly, described PTT button is specifically for when sensing that initiating PTT calls out trigger action, to the described AP request signal that makes a call;
Described AP for make a call described in receiving request signal and by with being connected of described modem chip, described in sending to described modem chip, make a call request signal to wake the described modem chip in dormant state up, and wake described AP up.
Fig. 7 is the structural representation that PTT button, AP and Modem chip connect.As shown in Figure 7, PTT button (PTT_KEY) for example can be connected with mobile phone by Si Ge contact 1a, 1b, 1c and 1d, wherein, contact 1a, 1b and 1c ground connection, contact 1d is connected (being for example port GPIO_123) with the GPIO port of AP.When PTT button is not pressed, PTT button is connected with 1aHe contact, contact 1b, and now contact 1cHe contact 1d is vacant, and not to GPIO_123 transmitted signal, GPIO_123 port is got default value " 1 ", and under this state, AP keeps dormant state or continue monitoring; When PTT button is pressed, PTT button is connected with 2aHe contact, contact 2b, form being electrically connected between GPIO_123 port and ground connection, thereby port GPIO_123 is switched to low level " 0 " by high level " 1 ", by the saltus step from high to low of this level, complete the triggering of AP is controlled.
AP and Modem chip have all set in advance a PTT_GPIO port, wherein this PTT_GPIO port be for example in a plurality of GPIO ports of AP and Modem chip preassigned any one.When AP receives PTT triggering by port GPIO_123, control the saltus step of PTT_GPIO port generation level, be for example level saltus step from high to low.If detecting the PTT_GPIO port of self, Modem chip there is saltus step from high to low, assemble call request message, and for example, carry out interacting message with network side (being Long Term Evolution project network (LTE NET)), if Modem chip is in dormant state, when there is saltus step from high to low in the PTT_GPIO port that detects self, first wake Modem chip up, then assemble call request message and carry out subsequent operation.
In addition, when AP receives PTT triggering by port GPIO_123, whether also detect self in dormant state, if so, also need to carry out AP and wake up.Wherein, this process is synchronizeed and is carried out with triggering Modem chip, thereby without the required duration expending of wake-up waiting AP before triggering Modem chip.
According to the terminal of the present embodiment, the hardware of PTT key is linked AP side, and when AP carries out wake actions, by the GPIO signal between AP and Modem, trigger Modem chip and carry out the right to apply for words, and send out AT instruction to the loaded down with trivial details like this signaling process of Modem chip without waiting for after AP side is waken up, thereby reach the effect that Rapid Establishment PTT calls out.
Embodiment five
Fig. 8 is the flow chart of the PTT call-establishing method of the embodiment of the present invention three.As shown in Figure 8, this PTT call-establishing method comprises the following steps:
Step S801, the trigger action that the key induced initiation of PTT PTT calls out, by with being connected of modem chip, to the described modem chip request signal that makes a call, wherein said modem chip is in dormant state or monitoring state;
Step S802, the request signal that makes a call described in described modem chip responds, assembling call request message, and carry out interacting message with network equipment, set up PTT and call out.
The PTT call-establishing method of the present embodiment is carried out by the terminal of above-mentioned arbitrary embodiment, and its idiographic flow is identical with the flow process that the terminal of above-described embodiment is set up PTT calling, so locate to repeat no more.
According to the PTT call-establishing method of the present embodiment, owing to triggering after PTT calling by PTT key, directly Modem chip is waken up, but not wake AP up according to prior art utilization, send out AT instruction to the loaded down with trivial details like this signaling process of Modem chip.The required time delay of Modem side CP wakeup process is only 10ms, thereby reach call, sets up the effect of response fast.Meanwhile, because the simplification of PTT call flow has also reduced the consumption of intelligent machine system resource to a certain extent, saved battery power consumption, but also reduced the probability of makeing mistakes on tediously long path.
Further, in the PTT of above-described embodiment call-establishing method, after the trigger action that the key induced initiation of described PTT PTT calls out, also comprise:
By with being connected of described AP, wake described AP up.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a terminal, is characterized in that, comprises PTT PTT button and modem chip, and described PTT button is connected with described modem chip, wherein:
Described PTT button is for when sensing that initiating PTT calls out trigger action, by with being connected of described modem chip, to the described modem chip request signal that makes a call, wherein said modem chip is in dormant state or monitoring state;
The request signal that makes a call described in described modem chip is used for responding, assembling call request message, and carry out interacting message with network equipment, set up PTT and call out.
2. terminal according to claim 1, is characterized in that, described PTT button and described modem chip are direct-connected;
Described PTT button is also for when sensing that described initiation PTT calls out trigger action, and direct-connected by with described modem chip wakes the described modem chip in dormant state up.
3. terminal according to claim 2, is characterized in that, also comprises: application processor AP, and described PTT button is connected with described AP;
Correspondingly, described PTT button is also for when sensing that initiating PTT calls out trigger action, by with being connected of described AP, wake described AP up.
4. according to the arbitrary described terminal of claim 1-3, it is characterized in that, described PTT button is connected with the general programmable I/O GPIO port of described modem chip, described PTT is key induced during to described initiations PTT calling trigger action, by controlling the voltage generation saltus step of the GPIO port of described modem chip, to the described modem chip request signal that makes a call.
5. terminal according to claim 1, is characterized in that, also comprises: AP, and described PTT button is connected with described modem chip via described AP;
Correspondingly, described PTT button is specifically for when sensing that initiating PTT calls out trigger action, to the described AP request signal that makes a call;
Described AP for make a call described in receiving request signal and by with being connected of described modem chip, described in sending to described modem chip, make a call request signal to wake the described modem chip in dormant state up, if judgement knows that described AP wakes described AP up in dormant state.
6. terminal according to claim 5, is characterized in that, described PTT button is connected with the GPIO port of described AP, and described AP is connected by preset PTT-general programmable I/O PTT-GPIO port with described modem chip; Described PTT is key induced during to described initiations PTT calling trigger action, and the voltage generation saltus step of GPIO port by controlling described AP is to the described AP request signal that makes a call; Described in described AP senses, make a call after request signal, request signal makes a call described in sending to described modem chip by the voltage generation saltus step of controlling described PTT-GPIO port.
7. the PTT call-establishing method based on arbitrary terminal realizes in claim 1-6, is characterized in that, comprising:
The trigger action that the key induced initiation of PTT PTT calls out, by with being connected of modem chip, to the described modem chip request signal that makes a call, wherein said modem chip is in dormant state or monitoring state;
The request signal that makes a call described in the response of described modem chip, assembling call request message, and carry out interacting message with network equipment, set up PTT and call out.
8. PTT call-establishing method according to claim 7, is characterized in that, after the trigger action that the key induced initiation of described PTT PTT calls out, also comprises:
Direct-connected by with described modem chip, wakes the described modem chip in dormant state up, and by with being connected of AP, wake described AP up.
9. PTT call-establishing method according to claim 7, it is characterized in that, the trigger action that the key induced initiation of described PTT PTT calls out, by with being connected of modem chip, to the described modem chip request signal that makes a call, specifically comprise:
The trigger action that the key induced initiation of described PTT PTT calls out, to the AP request signal that makes a call;
Request signal makes a call described in described AP receives, by with being connected of described modem chip, request signal makes a call described in sending to described modem chip, to wake the described modem chip in dormant state up, if judgement knows that described AP wakes described AP up in dormant state.
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| CN201210207958.9A CN103517215B (en) | 2012-06-21 | 2012-06-21 | Terminal and PTT call-establishing methods |
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| CN201210207958.9A CN103517215B (en) | 2012-06-21 | 2012-06-21 | Terminal and PTT call-establishing methods |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756855A (en) * | 2018-11-20 | 2019-05-14 | 海能达通信股份有限公司 | A kind of communication terminal and its starting up's method, storage device |
| CN111491264A (en) * | 2019-01-29 | 2020-08-04 | 成都鼎桥通信技术有限公司 | Method and device for receiving group data |
| CN111565368A (en) * | 2019-02-13 | 2020-08-21 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
| CN113438610A (en) * | 2021-08-27 | 2021-09-24 | 深圳市晨讯物联科技有限公司 | Method and communication system for controlling POC communication module by AT instruction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735235A (en) * | 2004-08-10 | 2006-02-15 | 三星电子株式会社 | PoC service method in the PoC portable terminal |
| CN1735236A (en) * | 2004-08-10 | 2006-02-15 | 三星电子株式会社 | The method of in mobile communication system, using push to talk scheme to communicate |
| CN1909689A (en) * | 2005-08-04 | 2007-02-07 | 中兴通讯股份有限公司 | Method for realizing single-calling in colony system |
| US20100009709A1 (en) * | 2003-07-31 | 2010-01-14 | Noritake Shiga | Mobile station, mobile communication system, and program |
-
2012
- 2012-06-21 CN CN201210207958.9A patent/CN103517215B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100009709A1 (en) * | 2003-07-31 | 2010-01-14 | Noritake Shiga | Mobile station, mobile communication system, and program |
| CN1735235A (en) * | 2004-08-10 | 2006-02-15 | 三星电子株式会社 | PoC service method in the PoC portable terminal |
| CN1735236A (en) * | 2004-08-10 | 2006-02-15 | 三星电子株式会社 | The method of in mobile communication system, using push to talk scheme to communicate |
| CN1909689A (en) * | 2005-08-04 | 2007-02-07 | 中兴通讯股份有限公司 | Method for realizing single-calling in colony system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756855A (en) * | 2018-11-20 | 2019-05-14 | 海能达通信股份有限公司 | A kind of communication terminal and its starting up's method, storage device |
| CN109756855B (en) * | 2018-11-20 | 2021-06-18 | 海能达通信股份有限公司 | Communication terminal, starting method thereof and storage device |
| CN111491264A (en) * | 2019-01-29 | 2020-08-04 | 成都鼎桥通信技术有限公司 | Method and device for receiving group data |
| CN111491264B (en) * | 2019-01-29 | 2022-04-26 | 成都鼎桥通信技术有限公司 | Method and device for receiving group data |
| CN111565368A (en) * | 2019-02-13 | 2020-08-21 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
| CN111565368B (en) * | 2019-02-13 | 2021-09-17 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
| CN113438610A (en) * | 2021-08-27 | 2021-09-24 | 深圳市晨讯物联科技有限公司 | Method and communication system for controlling POC communication module by AT instruction |
| CN113438610B (en) * | 2021-08-27 | 2021-12-14 | 深圳市晨讯物联科技有限公司 | Method and communication system for controlling POC communication module by AT instruction |
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| CN103517215B (en) | 2017-03-15 |
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