Realize professional preferential method in the code division multiple access mode cluster systemTechnical field
The present invention relates to field of mobile communication, relate in particular in and realize professional preferential method based on the group system of CDMA (Code DivisionMultiple Access, code division multiple access) standard.
Background technology
Along with mobile communcations system in the increasingly extensive application of every field such as economic and social life, mobile communcations system technology itself is also among fast development, from at present just at widely used second generation mobile communcations system, arrive ripe perfect third generation mobile system, the demand of user for communication system satisfied in technical development day by day.More more and more effectively satisfy the demand of appreciation type business such as comprising image, audio frequency, real-time multimedia service interaction, thereby making mobile communication system in people's live and work, bring into play more and more important effect.Wherein, trunking communication has become an indispensable business tine day by day, and digital cluster system is an important branch of mobile communication system.Digital cluster system is meant one group of wireless channel of multiple users share, and dynamically use the dedicated mobile communications subsystem of these channels, it is a kind of commander, dispatching patcher, in some social economies, the relatively advanced country of industrial or agricultural, the departments such as enterprise, cause, industrial and mineral, oil field, farm, public security, police and army that commander, scheduling feature are had relatively high expectations all very press for this system.The conventional cluster grid all is a dedicated network, and network often is exclusive the use, in use, often also is that the phone interconnect services is auxilliary based on group service (group calling, secret exhale etc.), and this network is commonly referred to as the private network cluster.The common network trunked communication system combines public communication network system and specific schedule communication system, on public communication network, makes trunked communication system break away from the specific-dispatching communication system in function and regional limitation.Whole network safeguards that by an operator operator provides the specific schedule platform to the user of collective, utilizes the network infrastructure of sharing with other colony to form VPN, thereby makes the user can use the proprietary network function, Here it is common network cluster.
In the private network cluster network, particularly in the simulation group system, has only group service, therefore the problem that does not have various different business conflicts, but in digital cluster system, owing to there is the phone interconnect services simultaneously, the user just occurs and used conflict between cluster telephone and the interconnected phone of phone simultaneously, need to coordinate the priority of miscellaneous service, along with networks development, system provides the business that becomes increasingly abundant, and comprises the mandarin sound business, Packet data service, circuit data service, short message etc.This makes that the conflict between the miscellaneous service is more remarkable, therefore when a user uses multiple business at the same time, be necessary the priority of miscellaneous service is planned as a whole, realize professional priority function, satisfy the needs of user, but do not have these class methods at present in various occasions.Problems such as in fact, in the cdma network of non-cluster, also have professional preferential problem, general solution is pseudo-concurrent at present, and still pseudo-concurrent existence configuration is dumb, the new business connecting time is long.
Summary of the invention
The objective of the invention is to overcome that configuration in the serious and non-cluster cdma network of conflict between the business that exists in existing group system and the cdma system is dumb, the shortcoming of new business longer duration, a kind ofly can accomplish rapid, the flexile professional preferential method that in the code division multiple access mode cluster system, realizes when switching between the miscellaneous service taking into account in the hope of proposing.
For achieving the above object, the present invention proposes and realize professional preferential method in a kind of code division multiple access mode cluster system, relate to (PTT Dispatch Server by PDS, trunking dispatch server), BSS (Base Station System, base station system), MSC (Mobile Swith Center, mobile switching centre) the group system network of Zu Chenging is characterized in that, may further comprise the steps;
(1) User Status in the calling procedure is set: the service priority at each or every class user in trunking dispatch server defines, and preserves the state and the call priority of living in of each excited users in base station system;
(2) business is preferentially tolled breakdown judgement: at trunked call at first, service priority is judged by trunking dispatch server, judge it is one less importantly to carry out professional Priority Call when trunking dispatch server, just in beep-page message, indicate base station system, indicate in the indication field and toll breakdown priority (indicate toll breakdown data, toll breakdown information such as speech);
(3) professional priority treatment in the calling procedure: if base station system judgement user has ordinary call then tolls breakdown earlier, and then paging, if the user is idle, then directly carry out paging.
Described step (one) specifically may further comprise the steps:
(1) base station system is preserved User Status, residing business state information, and finds corresponding user profile fast according to user identifier;
(2) rise when exhaling or in portable terminal responded system's beep-page message, base station system was preserved corresponding user profile, and corresponding User Status is set simultaneously when portable terminal;
(3) striding base station system when switching as the user, base station system is preserved corresponding user profile after receiving the handoff request message of mobile switching centre, put corresponding User Status simultaneously;
(4) when base station system when direct-cut operation goes or when discharging, deletion user profile.
Described step (two) specifically may further comprise the steps:
(1) trunking dispatch server is after the call request of receiving the user, obtains called subscriber's service priority information to scheduling home to return to register, if the called subscriber need carry out professional priority treatment, corresponding indicating bit is set in beep-page message then;
(2) base station system is searched corresponding user state information after receiving the beep-page message of trunking dispatch server, is in idle condition if find the user, directly sends beep-page message to the user; Be in busy condition if find the user, base station system enters next step again;
(3) base station system compares current business information and beep-page message indicating bit, judges whether to satisfy to toll breakdown condition, if do not satisfy the condition of tolling breakdown, then sends the call setup failed message to trunking dispatch server, and the prompting user is busy; Toll breakdown condition if satisfy, then toll breakdown process.
Described step (three) specifically may further comprise the steps:
(1) base station system changes professional priority treatment flow process over to, keeps relevant paging information;
(2) base station system is judged that the active user calls out whether to have set up and is finished, and does not finish if call out not set up, and then sends release message by control channel to portable terminal, finishes if call out to have set up, and then sends release message by Traffic Channel to travelling carriage;
(3) portable terminal is judged cause value after receiving the forward direction release message of base station, if once professional preferential release then forwards non-slotted mode to, each time slot of paging channel is all monitored, and opened timer;
If received the beep-page message of base station before timer expiry, portable terminal carries out corresponding non-slotted mode, and changes slotted mode over to after discharging next time; If without any paging information, portable terminal changes slotted mode automatically over to behind the timer expiry;
(4) base station system is extracted the customer position information before tolling breakdown after portable terminal, mobile switching centre and base station system its other resources discharge fully, and the user is carried out paging, after the paging success, changes normal calling access process over to.
This step also comprises: base station system also sends the request of release to travelling carriage switching center when discharging portable terminal, initiate to discharge the user profile of mobile switching centre, prepares to insert new business.
Adopt the method for the invention, on the common network cluster network, realized professional priority function, and can be implemented in the conflict that to coordinate user's miscellaneous service between the miscellaneous service by the setting of priority effectively.Can also preferentially be provided with flexibly, can set, satisfy the various demands of various occasions, improve the commercial ability of system according to user and group.In addition, when the present invention realizes business function again, providing the mode of quick access, is that the user can be switched between various obstructed business efficiently.
Description of drawings
Fig. 1 is a network structure of realizing the common network group system of professional priority function;
Fig. 2 is that call treatment is tolled breakdown the judgment processing flow chart in the method for the invention;
Fig. 3 is that professional priority business is tolled breakdown process chart in the method for the invention;
Fig. 4 is a portable terminal process chart in the method for the invention.
Embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
Fig. 1 has described the common network cluster network structure chart of realizing professional priority function.
As can be seen from the figure, whole network is by trunking dispatch server, dispatching client (PDC, PTT Dispatch Client), and base station system and mobile switching centre form.Base station system connects mobile switching centre by the A1 interface of standard, is mainly used in carrier signaling; Connect A8d bearer service, A9d carrier signaling by A8d/A9d interface and dispatching client.Dispatching client links together by A10d/A11d and trunking dispatch server, A10d bearer service, A11d carrier signaling.Interconnected between PDS and the PDS by the PP interface, can realize switching and roaming.
Fig. 2 has described call treatment and has tolled breakdown the judgment processing flow chart.
201. beginning.
202. base station system is received the beep-page message that PDS sends.
203. base station system is extracted user identifier from beep-page message, and searches corresponding User Status according to identifier.
204. the base station judges whether this user is in busy condition, if idle, walk normal paging flow process andchanges 2041, if busy, the split flow that then goes strong journey changes 205.
2041. carry out normal paging flow process, directly send beep-page message to travelling carriage.
205. if the user is in busy condition, judge whether to toll breakdown that removed originally and call out, if do not need to toll breakdown, then callback is setting up failure.
206. toll breakdown if desired, also to judge the current call state of user, and toll breakdown rank, see whether to satisfy and toll breakdown requirement, if do not satisfy then still walk the call failure handling process.
Toll breakdown requirement 2061. base station judgement user satisfies, toll breakdown flow process, for new business is inserted ready so change over to.
2062. return call failure message to PDS, the prompting user is busy.
Fig. 3 has described professional priority business and has tolled breakdown process chart.
301. beginning, base station system is searched the corresponding call treatment progress, and the call treatment process begins to toll breakdown handling process.
302. the base station was kept relevant user's location of mobile station information earlier before initiating to discharge flow process, information such as mobile station capability are prepared for discharging the back paging.
303. the base station is provided with corresponding release cause value, identifying this is the release of once preferentially initiating because of business.
304. judge whether current calling has set up and finish, do corresponding processing, set up to finish andchange 3041, set up and finish away 3042.
3041. if call setup is finished, send release message to travelling carriage from Traffic Channel.
Finish if 3042 call out not foundation, then send release message to travelling carriage from control channel.
305. the base station when discharging travelling carriage, also needs to send the request of release to mobile switching centre, indicates that this is once to toll breakdown release, travelling carriage switching center no longer accepts normal paging request.
306. the base station begins to discharge own resource after discharging fully again.
307. after system discharged fully, system obtained relevant informations such as customer location, and sends beep-page message to the user, and the user is carried out paging.
Fig. 4 has described the portable terminal process chart.
401. travelling carriage is received the release message of base station, before discharging, does following processing earlier.
402. travelling carriage judges at first whether release cause is the release of initiating because toll breakdown: if not, then toll breakdown the release flow process, change 403; Be then normally to discharge flow process, change 4031.
If, then judge whether to carry the release cause value, if enter 404 403. judge it is not to toll breakdown release; If not, then finish.
404. portable terminal shows the cause value that discharges on the interface, call out release then, is transferred to Idle state.
If, then change non-time slot state over to 4031. judge it is to toll breakdown release, each time slot of paging channel is all monitored, open timer simultaneously, wait for beep-page message.
4032. travelling carriage is waited for beep-page message at timer in opening.
If received beep-page message then 4033. move at timer, the timeing closing device, and walk normal call flow, when treating once more end of calling, change 401 and handle.
If behind timer expiry, still do not receive beep-page message 40331. move, then directly forward slotted mode to, do not monitoring all Paging Channel Slots.
The present invention proposes realizes professional priority function on cluster network, alleviated the conflict between user's the different business effectively, and flexible priority setting is provided, and can switch between different business fast simultaneously.