CN101080046B - A quick call establishment method of TD-SCDMA cluster communication system - Google Patents
A quick call establishment method of TD-SCDMA cluster communication system Download PDFInfo
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- CN101080046B CN101080046B CN200610081549A CN200610081549A CN101080046B CN 101080046 B CN101080046 B CN 101080046B CN 200610081549 A CN200610081549 A CN 200610081549A CN 200610081549 A CN200610081549 A CN 200610081549A CN 101080046 B CN101080046 B CN 101080046B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
This invention relates to a quick setting-up method for calls of a TD-SCDMA cluster communication system applying a mode of dynamic distribution and competition, in which, the network side sets up multi-call service channels for all legal local areas and initiates a multi-call broadcast message at the beginning of initiating multi-call, a called UE decides if it sends a feedback response message according to its grade and if the network side needs feeding back a message, and the multi-call service channels and empty resources of the un-activated regions will be released.
Description
Technical field
The present invention relates to a kind of quick call establishment method of trunked communication system, and be particularly related to the quick call establishment method that TD SDMA inserts (Time Division-Synchronous Code Division Multiple Access) (hereinafter to be referred as TD-SCDMA) trunked communication system based on the 3rd generation (3G) mobile communication system.
Background technology
There is based on open cluster architecture (GlobalOpen Trunking Architecture) (hereinafter to be referred as the GOTA) system that inserts 2000 (Code DivisionMultiple Access 2000) (hereinafter to be referred as CDMA 2000) based on code division multiple access in domestic main system at present, GT800 technology based on global system for mobile communications (Global System for Mobile Communication) (hereinafter to be referred as GSM), for group system, one of core technology is exactly that user terminal is called out foundation fast, and is relevant about scheme and air interface (abbreviation is eated dishes without rice or wine) cut-in method of calling out quick foundation.This system of GOTA based on the paging mode, it is called out fast and sets up except call signalling flow is compressed, and does not have too big difference with call setup in the public network; And for GT800 because channel mode difference, call out that to set up mode fast also different.Because the particularity of group system needs to set up calling as early as possible in group system, and called UE is in time breathed out, mainly comprise following process: (1) caller makes a call; (2) network side is analyzed number; (3) to called initiation group calling.How its difficult point is that to called initiation group calling, different group call modes has different group-calling set-up methods.
Yet, because in the group system based on TD-SCDMA, interface-free resources is limited, adopts GOTA to carry out group calling like that and set up, it is slow again promptly to take interface-free resources calling speed.No. 03157432 Chinese patent of CN and No. 200410027538 Chinese patents of CN have disclosed the method for setting up fast about trunked call, wherein No. 03157432 Chinese patent of CN is to adopt the mode of Group Call Register to carry out call setup, and No. 200410027538 Chinese patents of CN are to adopt the mode of management and group to carry out call setup, yet these two kinds of methods mainly are the group management aspects carries out call setup, how to realize eating dishes without rice or wine, then do not describe in detail.
Therefore, need a kind of can the solution subscriber equipment (User Equipment) (the old UE of following letter) short calling and set up the method for problem in conjunction with the design feature of eating dishes without rice or wine of TD-SCDMA.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of quick call establishment method of TD-SCDMA trunked communication system, utilize the design feature of eating dishes without rice or wine of TD-SCDMA, adopt the mode of dynamic assignment and competition to solve the problem that the UE short calling is set up, it is different with general service that mode is set up in this calling fast, also is different from the quick call establishment method under aforesaid two kinds of patterns.
For achieving the above object, the invention provides a kind of quick call establishment method of TD-SCDMA trunked communication system, comprising:
Step 2, network side receive and judge according to group calling information whether the group calling of calling UE initiation is legal, if illegal, then stops this group calling; If legal, then utilizing air interface resource is that all legal cells of this group calling correspondence are set up the group-calling service channel, and initiates group calling broadcasts to all sub-districts of this group calling correspondence, and it comprises group calling broadcasting indication information and group calling broadcasting feedback information at least;
Called UE detects and judges whether group calling broadcasting feedback information is activation, if this information is activation, as is " 1 ", then carry out step 5; If this information is non-activation, as be " 0 ", then carry out step 6;
Rank according to the called subscriber determines whether to send group calling feedback response message, and for example, when group calling broadcasting feedback information was non-activation, low-level called (hearer) UE did not send group calling feedback response message; And no matter whether group calling broadcasting feedback information activates, and high level called (hearer) UE all will send group calling feedback response message, carry out step 8;
In judging whether at the appointed time, step 7, network side receive above-mentioned group calling feedback response message, if, then activate the group-calling service channel of this sub-district, UE place, and feedback information is broadcasted in group calling be revised as non-activation, as be " 0 ", carry out step 8; If not, then this group calling with this sub-district is designated the wait state of activation, discharging air interface resource, for example is Uu mouth (it is the interface between UE and the UTRAN (Universal Terrestrial Radio Access Network, Universal Terrestrial Radio Access Network)) resource;
Further, above-mentioned group calling information comprises group calling sign and user ID.
Further, in the above-mentioned steps 2, after stopping this group calling, comprise also sending the group calling broadcast that wherein broadcasting indication information of the group calling in this group calling broadcast and group calling broadcasting feedback information are unactivated state.
Further, the above-mentioned fixed time is that the timer by network side is set, and be to initiate to start timer in the group calling broadcast in step 2, and receives that in step 7 group calling feeds back termination timing device timing behind the response message.
Further, competitive way described in the above-mentioned steps 5, for example be meant with the called subscriber equipment on the same group under the sub-district, select a corresponding ascending pilot frequency sign indicating number of this group to insert, after having a called subscriber equipment successfully to insert and group calling being sent the feedback response message with this ascending pilot frequency sign indicating number, this is organized other called subscriber equipments and selects this ascending pilot frequency sign indicating number to initiate to insert in this group calling again, and the NodeB side will think that secondary ascending pilot frequency sign indicating number is invalid.
Further, in the above-mentioned steps 5, called UE sends the feedback response message and comprises following steps:
It is synchronous that the called UE that needs the transmission group calling to feed back response message is carried out ascending pilot frequency;
Network side detect above-mentioned ascending pilot frequency synchronously after, (FastPhysical Access Channel) (hereinafter to be referred as FPACH) replys it by physical access channel;
After called UE is answered above-mentioned FPACH, send group calling feedback response message to network side by Random Access Channel (Random AccessChannel) (hereinafter to be referred as RACH).
Further, in the above-mentioned steps 5, when discharging air interface resource, other interface resource according to the service needed reservation, it comprises Iu (logic interfacing between RNC and the CN) interface resource and Iub (logic interfacing between RNC and the Node B) interface resource at least, so that needn't rebulid other above-mentioned interface resource when having new group calling UE to roam into this sub-district.
Further, above-mentioned group-calling service channel is the up-downgoing channel;
Above-mentioned group calling information comprises group calling sign and user ID at least; And
Have the group calling sign corresponding in the above-mentioned group calling broadcast and whether feed back sign with group calling broadcasting indication information and group calling broadcasting feedback information.
In sum, adopt group calling method for fast establishing of the present invention, its advantage is:
1, for called (hearer) UE, because network side is set up the group-calling service channel in all sub-districts of this group calling correspondence, it is short that UE enters the group calling time;
2, called (hearer) UE can determine whether to feed back according to its grade and network side information such as needs feedback whether, and Uplink Shared Channel is taken not quite;
3, network side activates situation according to called (hearer) UE, determine whether the sub-district is activated,, then discharge group-calling service channel, the interface-free resources of this sub-district if sub-district, group calling place is not activated, help network side Radio Resource is carried out dynamic management, effectively save interface-free resources;
4, adopt the cluster multi call indicating channel, help the UE end and save power consumption;
5, called (hearer) UE (emphasis UE) that rank is high is not subjected to the influence of state of activation, has strengthened the management to senior UE.
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is described in further detail.For those skilled in the art that, from the detailed description to the inventive method, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Fig. 1 is the group calling start flow schematic diagram of a preferred embodiment of the present invention;
Fig. 2 is that network side air interface resource management schematic diagram in the flow process is set up in the group calling of a preferred embodiment of the present invention;
Fig. 3 is the flow chart that called in the flow process (hearer) UE is set up in the group calling of a preferred embodiment of the present invention;
Fig. 4 is the group calling broadcast structural representation of a preferred embodiment of the present invention;
Fig. 5 is that called (hearer) UE of a preferred embodiment of the present invention sends the process schematic diagram that sends feedback information by Uplink Shared Channel;
Fig. 6 is the quick call establishment method overview flow chart of a preferred embodiment of the present invention.
Embodiment
In TD-SCDMA, except the Uu mouth, UE is always online at other interfaces, and, setting up the group calling initial stage for the Uu mouth, no matter whether this sub-district has UE, and utilizing interface-free resources to distribute group-calling service channel that should group calling in each legal cells, it is a pair of up-downgoing channel.When this sub-district has UE to enter group service, adopt the mode of competition to report the UE access information, if network side is not received UE and is reported access information (promptly feeding back response message) in official hour, think that then certain sub-district does not have UE, if this sub-district does not have UE, the up-downgoing channel of then deletion correspondence.
Below in conjunction with accompanying drawing, describe group calling method for fast establishing of the present invention in detail.
Fig. 1 is a group calling start flow schematic diagram, in Fig. 1, calling UE is initiated group calling, and carry group calling information, it comprises group calling sign (group calling ID) and user ID (user ID) at least. after network side receives this group calling information, judge the legitimacy of calling UE initiation group calling by group calling ID and user ID, if it is legal, then in all legal cells of correspondence, initiate the group calling broadcast, and feedback information is broadcasted in the group calling broadcasting indication information and the group calling that activate in the group calling broadcast, be about to the group calling sign of said two devices correspondence and whether feed back sign activation (referring to Fig. 4), to all legal cell configuration group-calling service channels, start timer Timer. called (hearer) UE simultaneously after listening to the group calling broadcast, broadcast is discerned, if tackle the group calling of this UE, then changing the group-calling service channel over to carries out group calling and answers business, and according to whether feeding back identification-state, by striving mode unexpectedly or determining whether to send group calling feedback response message (narration that its detailed process please see below) according to the rank of called (hearer) UE.
Fig. 2 is that group calling sets up that network side is to the air interface resource management flow chart in the flow process, and its process description is as follows:
Calling UE sends to network side (in order to explain simplification with group calling ID and user ID, the network side here is that system refers to more than the Node B, comprise RNC and group calling dispatch server or the like), network side is analyzed the back to above-mentioned group calling ID and user ID and is confirmed that this calling UE is legal, then all legal cells to this group calling correspondence send the group calling broadcast, and will be contained in the group calling sign in this message and whether feed back the sign activation, start timer Timer simultaneously.For illegal calling UE, shown in second step of Fig. 6, stop this group calling.
When network side receives in the time in appointment that certain sub-district is to called UE response group calling broadcasting indication information that should group calling and beam back group calling feedback response message, confirm that then this sub-district is for activating the sub-district, the group-calling service channel resource that distributes is set to state of activation, revise simultaneously and whether feed back sign, it is changed to non-activation, to avoid this group calling other UE to send group calling feedback response message once more, to save shared resource in this sub-district; If network side is not received the group calling feedback response message of group call cell in the time of appointment, think that then this sub-district is not to UE that should group calling, the current group calling of this sub-district is designated the wait state of activation, and release interface-free resources, but keep other interfaces,, finish up to this group calling as the resource of Iu, Iub mouth, its objective is for when having new group calling UE to roam into this sub-district, not be used in and rebulid Iu, Iub mouth resource.
Fig. 3 is the flow chart that called in the flow process (hearer) UE is set up in group calling, and its process description is as follows:
Called (hearer) UE periodically monitors group calling broadcasting indication information, for activating, then answers the group calling broadcast if find corresponding group calling broadcasting indication information, obtains the channel at group-calling service place, carries out the descending business of answering of group calling;
Secondly, called (hearer) UE monitors group calling broadcasting feedback information, if group calling broadcasting feedback information is a state of activation, explanation does not temporarily have called (hearer) UE to activate this sub-district at network side, need called (hearer) UE to activate this sub-district, a plurality of called (hearer) UE in this sub-district (for example is the rank according to called (hearer) UE by competitive way at this moment, or be at war with according to the rules of competition that other service needed or characteristics are set) determine one of them UE to obtain Uplink Shared Channel, and send group calling feedback response message to network side by Uplink Shared Channel.Network side will keep the corresponding group-calling service channel resource of this sub-district after receiving this group calling feedback response message;
Feedback message is a unactivated state if called (hearer) UE listens to group calling broadcasting, then illustrate network side the corresponding group-calling service channel resource of this sub-district be set to state of activation, do not need other called (hearer) UE to send group calling feedback response message by Uplink Shared Channel once more, activated this sub-district.
But, further, can determine whether to need to send group calling feedback response message according to the rank of called (hearer) UE.For example, if the group calling rank that called (hearer) UE sets is than higher, promptly in group calling high-level member, then, need send group calling feedback response message, that is this moment is no matter whether group calling broadcasting feedback information is activated to network side according to the network side needs, all need to send group calling feedback response message to network side, its objective is and guarantee that network side knows that this high-level UE inserts, entered group-calling service, so that customer location management etc.
Fig. 4 is a group calling broadcast structural representation, comprise the group calling sign in this message and whether fed back sign. whether the group calling sign is used to identify this group calling and activates, called (hearer) UE only need monitor the group calling sign, and just can know whether needs to add group calling; Whether feedback identifies, just feedback activates sign, its effect is, take Uplink Shared Channel for fear of too much called (hearer) UE, cause Uplink Shared Channel resource anxiety, after network side obtains group calling feedback response message that first UE beams back from certain sub-district, revise this sign position, it is unactivated state that its state is set, after other called (hearer) UE listen to this information, only need to monitor the group calling broadcast channel, just can enter group-calling service, and not send group calling feedback response message to network side again at needs.
Fig. 5 is that called (hearer) UE sends the process schematic diagram that sends group calling feedback response message by Uplink Shared Channel.When called (hearer) UE detect whether feed back be designated state of activation after, determine to need to send group calling feedback response message, it is synchronous then at first to carry out ascending pilot frequency, network side correctly detect ascending pilot frequency synchronously after, by FPACH it is replied, called (hearer) UE sends uplink group cal feedback response message by RACH after hearing corresponding FPACH on the channel of correspondence, after network side is received this information, will be designated group call cell that should UE and activate the sub-district.
Referring to Fig. 6, describe as follows to the whole implementing procedure of the group calling method for fast establishing of a preferred embodiment of the present invention:
Step 2, network side is analyzed group calling ID and the user ID that calling UE is sent, judge the legitimacy of calling UE, if calling UE user is legal, and group calling is also legal, then initiate the group calling broadcast, and set up the group-calling service channel to all legal cells (no matter whether this sub-district has called (hearer) UE) of this group calling correspondence; If calling UE is illegal, then stop this calling, sending the group calling broadcast message is unactivated group calling broadcast;
In judging whether at the appointed time, step 7, network side receive group calling feedback response message, if, then activate the group-calling service channel of this sub-district, subscriber equipment place, and feedback information is broadcasted in group calling be revised as non-activation, carry out step 8; If not, then this group calling with this sub-district is designated the wait state of activation, discharges air interface resource;
More than describe embodiments of the present invention in detail; but the example of the visualization that this just lifts for the ease of understanding; should not be considered to be limitation of the scope of the invention. same; the ordinary skill of technical field all can be according to the description of technical scheme of the present invention and preferred embodiment thereof under any; make various possible being equal to and change or replacement, but all these changes or replacement all should belong to the protection range of claim of the present invention.
Claims (8)
1. the quick call establishment method of a TD-SCDMA trunked communication system comprises:
Step 1, calling subscriber equipment is initiated group calling, and sends group calling information;
Step 2, network side receive and judge according to above-mentioned group calling information whether the group calling of calling subscriber equipment initiation is legal, if illegal, then stops this group calling; If legal, then utilizing air interface resource is that all legal cells of this group calling correspondence are set up the group-calling service channel, and initiates group calling broadcasts to all sub-districts of this group calling correspondence, and it comprises group calling broadcasting indication information and group calling broadcasting feedback information at least;
Step 3, called subscriber equipment are periodically monitored and are judged whether group calling broadcasting indication information is state of activation, if this information is non-activation, does not then receive corresponding group calling broadcast and proceed periodic group calling monitoring; If this information then carry out step 4 for activating;
Step 4, called subscriber equipment receive corresponding group calling broadcast, and enter group-calling service and answer state; And
Called subscriber equipment detects and judges whether group calling broadcasting feedback information is activation, if this information then carry out step 5 for activating; If this information is non-activation, then carry out step 6;
Step 5 determines that by competitive way a called subscriber equipment in a plurality of called subscriber equipments of same sub-district sends group calling feedback response message, carry out step 7;
Step 6, called subscriber equipment do not send group calling feedback response message, carry out steps 8; Or
Rank according to the called subscriber determines whether to send group calling feedback response message, carry out step 8;
In judging whether at the appointed time, step 7, network side receive above-mentioned group calling feedback response message, if, then activate the group-calling service channel of this sub-district, subscriber equipment place, and feedback information is broadcasted in group calling be revised as non-activation, carry out step 8; If not, then this group calling with this sub-district is designated the wait state of activation, discharges air interface resource;
Step 8 after all called subscriber equipments enter this group-calling service channel, all is designated the group calling state with the state of all called subscriber equipments of this time group-calling service, finishes call setup.
2. method according to claim 1 is characterized in that above-mentioned group calling information comprises group calling sign and user ID.
3. method according to claim 1 is characterized in that in the above-mentioned steps 2, after stopping this group calling, also comprises sending the group calling broadcast, and wherein broadcasting indication information of the group calling in this group calling broadcast and group calling broadcasting feedback information are unactivated state.
4. method according to claim 1, it is characterized in that the above-mentioned fixed time is to set by the timer of network side, and be in step 2, to initiate to start timer in the group calling broadcast, and in step 7, receive termination timing device timing behind the group calling feedback response message.
5. method according to claim 1, it is characterized in that the competitive way described in the above-mentioned steps 5 is meant with the called subscriber equipment on the same group under the sub-district, select a corresponding ascending pilot frequency sign indicating number of this group to insert, after having a called subscriber equipment successfully to insert and group calling being sent the feedback response message with this ascending pilot frequency sign indicating number, this is organized other called subscriber equipments and selects this ascending pilot frequency sign indicating number to initiate to insert in this group calling again, and the Node B side will think that secondary ascending pilot frequency sign indicating number is invalid.
6. method according to claim 1 is characterized in that in the above-mentioned steps 5, and called subscriber equipment sends the feedback response message and comprises following steps:
It is synchronous that the called subscriber equipment that needs the transmission group calling to feed back response message carries out ascending pilot frequency;
Network side detect above-mentioned ascending pilot frequency synchronously after, by physical access channel it is replied;
After called subscriber equipment is answered above-mentioned physical access channel, send group calling feedback response message to network side by Random Access Channel.
7. method according to claim 1 is characterized in that in the above-mentioned steps 7, and when discharging air interface resource, other interface resource according to service needed keeps comprises Iu interface resource and Iub interface resource at least.
8. method according to claim 1 is characterized in that above-mentioned group-calling service channel is the up-downgoing channel;
Above-mentioned group calling information comprises group calling sign and user ID at least; And
Have the group calling sign corresponding in the above-mentioned group calling broadcast and whether feed back sign with group calling broadcasting indication information and group calling broadcasting feedback information.
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| CN200610081549A CN101080046B (en) | 2006-05-26 | 2006-05-26 | A quick call establishment method of TD-SCDMA cluster communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101453789B (en) * | 2007-11-30 | 2011-11-30 | 中兴通讯股份有限公司 | Method and system for called continuous time for cluster group call |
| KR101563769B1 (en) * | 2008-08-07 | 2015-10-27 | 샤프 가부시키가이샤 | Small base station device, base station device, mobile station device, and mobile communication system |
| CN102158981B (en) * | 2010-02-11 | 2016-06-22 | 中兴通讯股份有限公司 | A kind of uplink data transmission method based on competition and system |
| CN102404802B (en) * | 2010-09-16 | 2015-03-11 | 电信科学技术研究院 | Transmission method for response information, base station and user equipment |
| CN102231872B (en) * | 2011-06-27 | 2017-06-27 | 中兴通讯股份有限公司 | A kind of terminal gets over the method and apparatus that area's registration cluster call resource is set up |
| CN102905227B (en) * | 2011-07-26 | 2015-12-02 | 鼎桥通信技术有限公司 | Cluster calling method and trunked communication system |
| CN102857883B (en) * | 2012-08-15 | 2015-08-05 | 北京久华信信息技术有限公司 | Based on the quick call establishment method of data-driven in a kind of trunked communication system |
| CN104010278B (en) * | 2013-02-27 | 2018-12-04 | 深圳市中兴微电子技术有限公司 | TD-SCDMA group system group-calling set-up method and system |
| CN104349431B (en) * | 2013-07-25 | 2018-01-16 | 北京久华信信息技术有限公司 | A kind of transmission method of the descending configured information of wireless communication system |
| CN104469690B (en) * | 2013-09-24 | 2018-12-04 | 北京信威通信技术股份有限公司 | The methods, devices and systems that end message reports in a kind of group system |
| US9826476B2 (en) | 2013-12-18 | 2017-11-21 | Nokia Solutions And Networks Oy | Method and apparatus for activating an inactive cell |
| CN107135489B (en) * | 2016-02-29 | 2021-03-23 | 展讯通信（上海）有限公司 | Method and device for monitoring cluster group calling service received by mobile station in cell |
| CN108400843B (en) * | 2017-02-07 | 2024-03-05 | 中兴通讯股份有限公司 | Retransmission feedback and triggering method and device |
| CN110166950B (en) * | 2018-02-13 | 2022-06-24 | 海能达通信股份有限公司 | Answering feedback method, related equipment and system |
| CN111836205B (en) * | 2019-04-15 | 2022-05-17 | 海能达通信股份有限公司 | Multicast service implementation method based on cluster communication and related equipment |
| CN115802292A (en) * | 2021-09-09 | 2023-03-14 | 海能达通信股份有限公司 | Group call establishing method and device |
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