CN101557565B - Switching method of terminal between reverse traffic channels and trunking communication system - Google Patents
Switching method of terminal between reverse traffic channels and trunking communication system Download PDFInfo
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- CN101557565B CN101557565B CN200910106993.XA CN200910106993A CN101557565B CN 101557565 B CN101557565 B CN 101557565B CN 200910106993 A CN200910106993 A CN 200910106993A CN 101557565 B CN101557565 B CN 101557565B
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Abstract
The invention relates to a switching method of a terminal between reverse traffic channels and a trunking communication system. The method comprises the following steps: after receiving a speech rightinstruction message of the system, the terminal in group calling judges whether speech right is authorized by the system, if so, the terminal becomes a speaking party and is switched to a reverse spe cial traffic channel; if not, the terminal becomes a listening party and is switched to a reverse shared traffic channel; and the trunking communication system comprises a mobile terminal and a trunking scheduling server. The invention leads the terminal in the group to be quickly switched to the corresponding reverse traffic channel when the state changes in the traditional group calling service.
Description
Technical field
The present invention relates to the communications field, particularly changing method and the trunked communication system of terminal between reverse traffic channel in a kind of trunked communication system group-calling service.
Background technology
Traditional group call business in digital clustering communication system, must support that (group comprises hundreds of user to Nei great capacity group among a small circle, and concentrate under sector among a small circle) group call ability, therefore traditional group call business must adopt the method for sharing reverse traffic channel under sector.
According to the half-duplex traffic feature of trunked call, in a trunked call process, the same time only has a user can obtain right of speech, becomes speaker, and other user is the side of answering.Speaker can send voice and signaling on reverse link; And the side of answering can only send signaling on reverse link, can not send voice.
Therefore, based on CDMA (Code Division Multiple Access) (CDMA) if the traditional group call business of digital clustering communication system to realize sharing of reverse traffic channel, need the method adopting to be: Reverse Dedicated Traffic Channel and one or more reverse shared service channel.Reverse Dedicated Traffic Channel transmits reverse voice and signaling for the speaker that may exist under sector; And oppositely shared service channel sends backward signaling for all sides of answering of sector Xia Gai group.
The problem of bringing is thus, because terminal at any time can only be in a kind of state, and during as speaker or the side of answering, transmit the reverse traffic channel difference that reverse information adopts, need to solve the problem that terminal is switched when two kinds of different conditions between reverse traffic channel.
Patent PCT/CN2005/001400 provides a kind of method that in cdma system group-calling service, terminal is switched between reverse traffic channel, in described method, rising exhales terminal to receive after the information of system, meeting model Reverse Dedicated Traffic Channel, obtain right of speech, become terminal, here the problem existing is, for example, if now this terminal is (to lag access, this terminal because of out of reach or this terminal medium in the calling of other higher priority) words, on Reverse Dedicated Traffic Channel, carrying out Signalling exchange with network side will exert an influence to real speaker, in serious situation, can cause the speech of speaker to interrupt, can cause the situation that produces multiple speaker, this is unallowable in trunking communication.
Summary of the invention
Technical problem to be solved by this invention is, changing method and the trunked communication system of terminal between reverse traffic channel in a kind of trunked communication system group-calling service is provided, the invention enables in traditional group call business, the terminal of group can forward to rapidly on corresponding reverse traffic channel when state variation.
The invention discloses the changing method of terminal between reverse traffic channel in a kind of group-calling service, terminal in group calling receives after the right of speech Indication message of system, has judged whether to obtain the right of speech mandate of system, if, become speaker, be switched to Reverse Dedicated Traffic Channel; Otherwise, become the side of answering, be switched to reverse shared service channel.
Described right of speech Indication message carries structure Reverse Dedicated Traffic Channel and the reverse required information of shared service channel.
If described terminal is to be linked in group calling with the identity of caller, described right of speech Indication message is initiatively handed down to terminal by described system; If described terminal is in group calling, described terminal need to be by obtaining right of speech mandate to the request of described system application sending the right words.
Described terminal is switched to Reverse Dedicated Traffic Channel by the following method:
Steps A: according to the required information of structure Reverse Dedicated Traffic Channel of carrying in the right of speech Indication message receiving, Long Code Mask and the walsh code of structure Reverse Dedicated Traffic Channel;
Step B: the Long Code Mask and the walsh code that the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to the Reverse Dedicated Traffic Channel that described structure obtains.
Described terminal is switched to reverse shared service channel by the following method:
Step a: according to the required information of the reverse shared service channel of the structure carrying in the right of speech Indication message receiving, construct Long Code Mask and the walsh code of reverse shared service channel;
Step b: the Long Code Mask and the walsh code that the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to the reverse shared service channel that described structure obtains.
In described method, if the terminal in group fails because lagging to access in time in the group calling of described system, when described terminal makes a call to described system, described terminal accesses in described group calling with called identity.
The present invention further discloses a kind of trunked communication system, comprise mobile terminal and trunking dispatch server (PDS), described in
Mobile terminal be used for making a call request, initiate the right to apply for words, initiate right of speech discharge; For judging whether to obtain right of speech mandate after right of speech Indication message receiving; When obtaining right of speech mandate, become speaker, and be switched to Reverse Dedicated Traffic Channel; In active release speech right, right of speech, be authorized to other users or receive right of speech whether during message, becoming the side of answering, and be switched to reverse shared service channel.
Trunking dispatch server is for after the call request that receives mobile terminal, and process of establishing makes a call; For when receiving the right to apply for words of mobile terminal, distribute right of speech and initiate right of speech Indication message; Be used for confirming that right of speech discharges or initiation right of speech discharges.
Described mobile terminal is also for becoming after speaker, according to the required information of structure Reverse Dedicated Traffic Channel of carrying in the right of speech Indication message receiving, Long Code Mask and the walsh code of structure Reverse Dedicated Traffic Channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the Reverse Dedicated Traffic Channel of described structure; For becoming behind the side of answering, according to the required information of the reverse shared service channel of the structure carrying in the right of speech Indication message receiving, construct Long Code Mask and the walsh code of reverse shared service channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the reverse shared service channel of described structure.
The present invention, by the method for first confirming to switch again, has avoided causing the situation of the multiple speaker of generation, the invention enables in traditional group call business, and the terminal of group can forward to rapidly on corresponding reverse traffic channel when state variation.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of trunked communication system of the present invention;
Fig. 2 is the flow chart of the method for the invention;
Fig. 3 is the schematic flow sheet of the embodiment mono-of the method for the invention;
Fig. 4 is the schematic flow sheet of the embodiment bis-of the method for the invention;
Fig. 5 is the schematic flow sheet of the embodiment tri-of the method for the invention;
Fig. 6 is the schematic flow sheet of the embodiment tetra-of the method for the invention;
Fig. 7 is the schematic flow sheet of the embodiment five of the method for the invention;
Fig. 8 is the schematic flow sheet of the embodiment six of the method for the invention;
Fig. 9 is the schematic flow sheet of the embodiment seven of the method for the invention;
Figure 10 is the schematic flow sheet of the embodiment eight of the method for the invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in further details.
As shown in Figure 1, be the structured flowchart of trunked communication system of the present invention, comprise mobile terminal and trunking dispatch server, wherein,
Mobile terminal be used for making a call request, initiate the right to apply for words, initiate right of speech discharge; For judging whether to obtain right of speech mandate after right of speech Indication message receiving; When obtaining right of speech mandate, become speaker, and be switched to Reverse Dedicated Traffic Channel, specifically comprise: according to the required information of structure Reverse Dedicated Traffic Channel of carrying in the right of speech Indication message receiving, Long Code Mask and the walsh code of structure Reverse Dedicated Traffic Channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the Reverse Dedicated Traffic Channel of described structure, set up Reverse Dedicated Traffic Channel; In active release speech right, right of speech, be authorized to other users or receive right of speech whether during message, become the side of answering, and be switched to reverse shared service channel, specifically comprise: according to the required information of the reverse shared service channel of the structure carrying in the right of speech Indication message receiving, construct Long Code Mask and the walsh code of reverse shared service channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the reverse shared service channel of described structure, set up reverse shared service channel.
Trunking dispatch server is for after the call request that receives mobile terminal, and process of establishing makes a call; For when receiving the right to apply for words of mobile terminal, distribute right of speech and initiate right of speech Indication message; Be used for confirming that right of speech discharges or initiation right of speech discharges.
As shown in Figure 2, be that the method for the invention is particular flow sheet, comprise the steps:
Step 201: terminal receives the right of speech Indication message that system sends;
Step 202: judge whether the right of speech mandate of the system that obtains, if so, perform step 203; Otherwise, execution step 205;
Step 203: become speaker, according to the required information of structure Reverse Dedicated Traffic Channel of carrying in described right of speech Indication message, construct Long Code Mask and the walsh code of Reverse Dedicated Traffic Channel, obtain Long Code Mask and the walsh code of Reverse Dedicated Traffic Channel;
Step 204: the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of described Reverse Dedicated Traffic Channel, set up Reverse Dedicated Traffic Channel, execution step 207;
Step 205: become the side of answering, the required information of the reverse shared service channel of structure of carrying in described right of speech Indication message, constructs Long Code Mask and the walsh code of reverse shared service channel, obtains Long Code Mask and the walsh code of reverse shared service channel;
Step 206: the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of described reverse shared service channel, set up reverse shared service channel;
Step 207: speaker takies Reverse Dedicated Traffic Channel, the side of answering takies reverse shared service channel and carries out service interaction.
As shown in Figure 3, be in the method for the invention, terminal obtains the schematic flow sheet of right of speech mandate to active release speech right; Comprise the steps:
Step 301: terminal A makes a call;
Step 302: receive after the call request of terminal, the process of establishing that system makes a call, terminal A is as in caller ID access group calling;
Step 303: this terminal judges oneself is calling party, is speaker, and sets up Reverse Dedicated Traffic Channel;
Step 304: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel, the i.e. process of speaking of speaker;
Step 305: terminal A (being current speaker) initiates right of speech release message to system;
Step 306: system is returned to right of speech release acknowledge message to terminal A (being current speaker) after receiving message;
Step 307: terminal A receives that right of speech discharges after acknowledge message, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 4, be in the method for the invention, system discharges the schematic flow sheet of the situation of speaker right of speech by force; Comprise the steps:
Step 401: terminal A makes a call;
Step 402: receive after the call request of terminal A, the process of establishing that system makes a call, terminal A is as in caller ID access group calling;
Step 403: terminal A judges it oneself is calling party, is speaker, and sets up Reverse Dedicated Traffic Channel;
Step 404: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel;
Step 405: system is initiated right of speech release message to terminal A;
Step 406: terminal A receives after right of speech release message, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 5, be in the method for the invention, terminal is obtained right of speech after call setup, and in operation exchange process, system licenses to right of speech the schematic flow sheet of another user's situation; Specifically comprise:
Step 501: terminal A makes a call;
Step 502: receive after the call request of terminal, the process of establishing that system makes a call, terminal A is as in caller ID access group calling;
Step 503: terminal A judges it oneself is calling party, is speaker, and sets up Reverse Dedicated Traffic Channel;
Step 504: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel;
Step 505: system licenses to other users by right of speech;
Step 506: terminal A receives right of speech Indication message, judges that right of speech has licensed to other users, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 6, be in the method for the invention, be the terminal in group calling initiatively applies for obtaining the schematic flow sheet of right of speech to the situation of active release speech right; Specifically comprise the steps:
Step 601: terminal A is in group calling;
Step 602: terminal A initiates the right to apply for words;
Step 603: system licenses to terminal A by right of speech;
Step 604: terminal A receives after right of speech Indication message, becomes speaker, is switched to Reverse Dedicated Traffic Channel;
Step 605: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel;
Step 606: terminal A (being current speaker) initiates right of speech and discharges;
Step 607: system is returned to right of speech release acknowledge message to terminal A (being current speaker) after receiving message;
Step 608: terminal A receives that right of speech discharges after acknowledge message, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 7, be in the method for the invention, the terminal in group calling initiatively applies for obtaining right of speech to the system schematic flow sheet of the situation of release speech right by force; Specifically comprise the steps:
Step 701: terminal A is in group calling;
Step 702: terminal A initiates the right to apply for words;
Step 703: system licenses to terminal A by right of speech;
Step 704: terminal A receives after right of speech Indication message, becomes speaker, is switched to Reverse Dedicated Traffic Channel;
Step 705: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel;
Step 706: system is initiated right of speech release message to terminal A (being current speaker);
Step 707: terminal A receives after right of speech release message, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 8, be in the method for the invention, the terminal in group calling initiatively applies for that acquisition right of speech licenses to right of speech to system the schematic flow sheet of another user's situation; Specifically comprise the steps:
Step 801: terminal A is in group calling;
Step 802: terminal A initiates the right to apply for words request;
Step 803: system licenses to terminal A by right of speech;
Step 804: terminal A receives after right of speech Indication message, judges and is awarded right of speech, becomes speaker, is switched to Reverse Dedicated Traffic Channel;
Step 805: terminal A (being current speaker) takies Reverse Dedicated Traffic Channel;
Step 806: system licenses to other users by right of speech;
Step 807: terminal A receives after right of speech Indication message, judges that right of speech authorized other users, becomes the side of answering, and is switched to reverse shared service channel.
As shown in Figure 9, be in the method for the invention, terminal is answered Fang Houzai and is initiatively applied for the schematic flow sheet of the situation of obtaining right of speech because the access group calling that lags becomes; Comprise the steps:
Step 901: terminal A, in group calling, but fails timely access group calling;
Such as terminal A is because of out of reach, or in the calling of other higher priority and fail to access in time in current group calling;
Step 902: fail to access in time after the reason elimination of current group calling, terminal A makes a call;
Such as, terminal A enters service area or exits from the calling of other higher priority;
Step 903: receive after the call request of terminal A, system judges that this group calling exists, initiates to lag access procedure;
Step 904: terminal A judgement is the access calling that lags, and becomes the side of answering, and sets up reverse shared service channel;
Step 905: terminal A initiates the right to apply for words request message to system;
Step 906: system receives after request message, licenses to terminal A by right of speech;
Step 907: terminal A receives after right of speech Indication message, judges and is awarded right of speech, becomes speaker, is switched to Reverse Dedicated Traffic Channel.
As shown in figure 10, be in the method for the invention, terminal becomes the side of answering after as called access group calling, more initiatively applies for the schematic flow sheet of the situation of obtaining right of speech; Comprise the steps:
Step 001: the process of establishing that system makes a call, terminal A is as in called access group calling;
Step 002: terminal A judgement is as in called access group calling, becomes the side of answering, and sets up reverse shared service channel;
Step 003: terminal A initiates the right to apply for words request to system;
Step 004: system receives after request message, licenses to terminal A by right of speech;
Step 004: terminal A receives after right of speech Indication message, judges and is awarded right of speech, becomes speaker, is switched to Reverse Dedicated Traffic Channel.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. the changing method of terminal between reverse traffic channel in group-calling service, is characterized in that, the terminal in group calling receives after the right of speech Indication message of system, judged whether to obtain the right of speech mandate of system, if so, become speaker, be switched to Reverse Dedicated Traffic Channel; Otherwise, become the side of answering, be switched to reverse shared service channel, described right of speech Indication message carries structure Reverse Dedicated Traffic Channel and the reverse required information of shared service channel; In described method, if the terminal in group fails because lagging to access in time in the group calling of described system, when described terminal makes a call to described system, described terminal accesses in described group calling with called identity.
2. the changing method of terminal between reverse traffic channel in group-calling service as claimed in claim 1, is characterized in that, if described terminal is to be linked in group calling with the identity of caller, described right of speech Indication message is initiatively handed down to terminal by described system; If described terminal is in group calling, described terminal need to be by obtaining right of speech mandate to the request of described system application sending the right words.
3. the changing method of terminal between reverse traffic channel in group-calling service as claimed in claim 1, is characterized in that, described terminal is switched to Reverse Dedicated Traffic Channel by the following method:
Steps A: according to the required information of structure Reverse Dedicated Traffic Channel of carrying in the right of speech Indication message receiving, Long Code Mask and the walsh code of structure Reverse Dedicated Traffic Channel;
Step B: the Long Code Mask and the walsh code that the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to the Reverse Dedicated Traffic Channel that described structure obtains.
4. the changing method of terminal between reverse traffic channel in group-calling service as claimed in claim 1, is characterized in that, described terminal is switched to reverse shared service channel by the following method:
Step a: according to the required information of the reverse shared service channel of the structure carrying in the right of speech Indication message receiving, construct Long Code Mask and the walsh code of reverse shared service channel;
Step b: the Long Code Mask and the walsh code that the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to the reverse shared service channel that described structure obtains.
5. a trunked communication system, comprises mobile terminal and trunking dispatch server, it is characterized in that, described in
Mobile terminal be used for making a call request, initiate the right to apply for words, initiate right of speech discharge; For judging whether to obtain right of speech mandate after right of speech Indication message receiving; When obtaining right of speech mandate, become speaker, and be switched to Reverse Dedicated Traffic Channel; In active release speech right, right of speech, be authorized to other users or receive right of speech whether during message, becoming the side of answering, and be switched to reverse shared service channel; In judgement, be, while lagging access calling, to become the side of answering, and set up reverse shared service channel;
Trunking dispatch server is for after the call request that receives mobile terminal, and process of establishing makes a call; For when receiving the right to apply for words of mobile terminal, distribute right of speech and initiate right of speech Indication message, described right of speech Indication message carries structure Reverse Dedicated Traffic Channel and the reverse required information of shared service channel; Be used for confirming that right of speech discharges or initiation right of speech discharges; After the call request receiving because of the mobile terminal of the access group calling that lags, the initiation access procedure that lags.
6. trunked communication system as claimed in claim 5, it is characterized in that, described mobile terminal is also for becoming after speaker, according to the required information of structure Reverse Dedicated Traffic Channel of carrying in the right of speech Indication message receiving, Long Code Mask and the walsh code of structure Reverse Dedicated Traffic Channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the Reverse Dedicated Traffic Channel of described structure; For becoming behind the side of answering, according to the required information of the reverse shared service channel of the structure carrying in the right of speech Indication message receiving, construct Long Code Mask and the walsh code of reverse shared service channel, and the Long Code Mask of reverse traffic channel and walsh code are configured to respectively to Long Code Mask and the walsh code of the reverse shared service channel of described structure.
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| CN102045868B (en) * | 2009-10-19 | 2013-03-13 | 华为技术有限公司 | Processing method of GCR (Group Calling Register) content, MSCs (Mobile Switching Centers), GCR and communication system |
| CN102857983B (en) * | 2011-06-30 | 2017-02-15 | 上海中兴软件有限责任公司 | Listening user switching method in trunking system, network side and terminal |
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| EP1659821A1 (en) * | 2001-06-29 | 2006-05-24 | Qualcomm, Incorporated | Method and system for group call service |
| WO2006114017A1 (en) * | 2005-04-25 | 2006-11-02 | Zte Corporation | A channel sharing method in the cluster mobile communication system based on cdma |
| WO2007028272A1 (en) * | 2005-09-05 | 2007-03-15 | Zte Corporation | Method for terminals to switch the reverse traffic channels in cdma group call service |
| CN101202973A (en) * | 2006-12-11 | 2008-06-18 | 大唐移动通信设备有限公司 | Method, system for allocating discourse authority and colony communication server |
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| EP1659821A1 (en) * | 2001-06-29 | 2006-05-24 | Qualcomm, Incorporated | Method and system for group call service |
| WO2006114017A1 (en) * | 2005-04-25 | 2006-11-02 | Zte Corporation | A channel sharing method in the cluster mobile communication system based on cdma |
| WO2007028272A1 (en) * | 2005-09-05 | 2007-03-15 | Zte Corporation | Method for terminals to switch the reverse traffic channels in cdma group call service |
| CN101202973A (en) * | 2006-12-11 | 2008-06-18 | 大唐移动通信设备有限公司 | Method, system for allocating discourse authority and colony communication server |
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