CN1250322A - Multiple-direction and multiple communication system using for comprehensive basiness digital network service - Google Patents
Multiple-direction and multiple communication system using for comprehensive basiness digital network service Download PDFInfo
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Abstract
To omit the slot allocation of a B channel which is not always necessary. A 1st slave station 3 having received a message 101 sent from an origination-side ISDN terminal 61 belonging to the 1st slave station 3 among slave stations requests a base station 2 connected to the ISDN network to allocate the time slots of D channel and B channel, so that the time slots of D channel and B channel are assigned to the origination-side ISDN terminal, 1st slave station 3, and a ground station 2. The stations 2 and 3 detect whether or not the 1st slave station 3 that the origination-side ISDN terminal 61 belongs to and the 2nd slave station that the termination-side ISDN terminal belongs to are the same station by monitoring the 1st message 101, and when detected that they are the same, the time slot of the B channel is not assigned between the ground station 2 and 1st slave station 3. Thus, the omitted time slots are released for a 3rd party.
Description
The present invention relates to be used for the polydirectional multiple communication system of Integrated Service Digital Network service.Especially relate to the polydirectional multiple communication system that is used for the integrated services digital network service of effectively utilizing channel.
At the multi-direction multiplex communication system that is used for the ISDN service, information is to net between the base station that is connected in the substation with ISDN to utilize two channels to communicate by letter between the user by a tdma communication system.The user has an identifier.A basic interface of ISDN service has two B channels and a D channel on a single user interface, and can be public for a telephone service and a non-telephone service.When two-way communication, in two channels each is all distributed a plurality of time slots.In other words, in ISDN service, the communication line between base station and the substation is with the existence of communicating by letter or do not exist under the irrelevant situation and provide, and this depends on preassignment molded lines road system is set.
The number of the ISDN basic interface that the communication line between base station and the substation must contain to some extent is set in the system on such preassignment molded lines road.Be provided with in the system on preassignment molded lines road, communication line always is dispensed between those terminals that do not communicate between them.
The user can use as telephone set, the terminal that facsimile machine and data terminal are such.In this case, comparing with the situation of using special circuit, call volume is less.At communication line is that pre-assigned preassignment molded lines road is provided with in the system under existence of not considering to communicate by letter or non-existent situation, as long as consider to have only less call volume in this case, the customer volume that is contained just is restricted.In addition, it is difficult to the increase of process user soon, to such an extent as to the service efficiency of communication line reduces.Gu this, from improving the service efficiency of communication line, the ISDN service in the multidirectional multiplexing system is preferably a kind of demand assignment of employing system.In the demand assignment system, the appointment of the communication line between base station and the substation is relevant with originating terminal and the clearing end called out with release.
In day patent application of the present disclosure (on December 4th, 1998 is open for the flat 10-322758 of JP-A, application on May 15th, 1997), disclosed a kind of multi-directional and multi-path communication system.In this application, this multi-directional and multi-path communication system has adopted a kind of like this demand assignment system.This multi-directional and multi-path communication system comprises a base station and a plurality of substation, and base station and the distribution and the release that are included in the transmission channel between the terminal in the substation are to carry out corresponding to originating terminal and the clearing end called out.The base station is the isdn network that terminates in the 2nd layer, and the substation is to terminate in the 2nd layer base station.The 3rd layer of information is the information of the 3rd layer of monitoring, and the distribution of the transmission channel between base station and the terminal and release are to carry out according to the originating terminal of calling out and the recognition result of clearing end.This technology can improve the service efficiency of D channel and B channel.Yet, also need the service efficiency of D channel and B channel is improved further.
With reference to Fig. 1, point under the situation of a terminal 61 from a terminal 61 a calling, the time slot that is used for D channel and B channel is to distribute corresponding to the calling originating terminal that comes self terminal 61.Come the 3rd layer of information of self terminal 61 to send to isdn network 1, call out originating terminal to such an extent as to set up by the D channel time slot 101 of distributing.The voice signal that comes self terminal 61 is by using the B channel time slot 102 of distributing to relay.Calling out clearing end, when the calling that detects terminal 62, base station 2 distributes D channel time slots 103 and a B channel time slot 104 to give substation 3, and be that terminal 62 is carried out the calling terminations.Therefore, in response to replying of terminal 62, terminal 61 and terminal 62 are configured to communications status.
A kind of routine techniques like this is the communication that is used for being included between the isdn network user of different substations basically.Therefore, be two D channel time slots of two communication maximum allocated between the user and four B channel time slots.Yet, when the user in being included in same substation communicates by letter each other, be not the time slot that always needs to distribute equal number.In this case owing to distributed four B channel time slots, so another user some the time become and can not use a time slot, cause the reduction of communication line service efficiency.D channel time slot is to be used for sending between terminal and ISDN the 3rd layer of information in essence.Yet information on the B channel such as voice and data only pass through isdn network.So, can think that distributing B channel time slot is unnecessary to send information by isdn network and to turn back to same substation again.
In conjunction with top description, in a day patent application of the present disclosure (the flat 3-109848 of JP-A), disclosed a kind of communication system.In this list of references, adopted the D channel agreement of isdn standard user interface, be used between a plurality of travelling carriages or travelling carriage and by call setup or communication between wired connection and the fixed station that a switching equipment is connected.In this case, when one in a plurality of travelling carriages was connected with a fixed station, the be fixed address of platform, the address of the travelling carriage of handling with the D channel agreement was replaced.So, the D Channel Processing of this travelling carriage be used as the processing of fixed station and carry out.Also have, travelling carriage between travelling carriage and another travelling carriage or with fixed station between set up the state that certain station be connected of a state exchange of calling out to this travelling carriage and the fixed station.At this moment, by with the call treatment of the D channel of fixed station wired connection, this call treatment is continued to be carried out.
Also have, in day patent application of the present disclosure (the flat 3-195248 of JP-A), disclosed a kind of public telephone.In this list of references, public telephone is partly to be made of an interface and a radio corresponding to isdn line, and this radio partly is used for being connected at least by radio wave an information channel of the isdn line of a travelling carriage.
In addition, in day patent application of the present disclosure (the flat 6-62482 of JP-A), disclosed a kind of isdn user's line traffic control system.In this list of references, when a calling using the B channel when a user starts, in subscriber line circuit (LC) 1, isolate a D channel information, and by a multiplexer (MX) 2, one centrex (LSW) 4, and demultiplex unit (DX) 5 sends to a signal processing unit (SPR) 7.This signal processing unit (SPR) 7 is communicated by letter to carry out processing procedure with a Call Control Unit (CPR) 9.Then, signal processing unit (SPR) 7 is by multiplexer (MX) 2, centrex (LSW) 4, and demultiplex unit (DX) 3 and subscriber line circuit (LC) 1 send result to the user.Call Control Unit (CPR) 9 is set up a communication path at time-division switching communication path (TDSW) with based on the centrex (LSW) 4 of call control information, to connect the B channel from a terminal.Therefore, finished a connection processing process.In addition, the control isdn user that can concentrate according to the link information of centrex, and subscriber line circuit is central controlled by control unit, this control unit is carried out the second layer or above processing procedure.
In addition,, in day patent application of the present disclosure (the flat 7-143541 of JP-A), disclosed a kind of personal communication base station system.In this list of references, B channel 21 is to provide in the functional module 4 of personal communication base station, and another B channel 22 provides for a telephone terminal 5.D channel 23 is provided as it can be public to personal communication base station module 4 and telephone terminal 5.According to the call control information of D channel, carry out the control that is connected with personal communication base station functions module 4 or telephone terminal 5.
In addition,, in day patent application of the present disclosure (the flat 10-108241 of JP-A), disclosed a kind of method that the base station is connected to an ISDN PBX (PBX).In this list of references, an assembly that is limited to the DECT system is integrated in the base station.This base station is to be connected with a PBX by two digital interfaces with n B and D channel.It is synchronous that first D or B channel and this PBX are passed through in this base station.In addition, the exchange logic agreement between base station and PBX by second D or B channel.
In addition, in day patent application of the present disclosure (the flat 10-191445 of JP-A), disclosed a kind of communication control method.In this list of references, the travelling carriage 20 in the service area 2 of a cell base station 10 is communicated by letter by the user data line 3 that is connected with base station 10 with 30.Base station 10 sends expression from travelling carriage 20 or 30 information to travelling carriage 30 or 20 Content of communciations.In addition, the information signal transmission channel of user data line 3 is not used in the communication between travelling carriage 20 and 30.
Therefore, the objective of the invention is to provide a kind of ISDN service in the multi-directional and multi-path communication system, wherein is not that the distribution of total B channel time slot that needs is omitted, and causes the service efficiency of B channel time slot to improve.
Another object of the present invention provides an a kind of ISDN method of servicing that uses in the multi-directional and multi-path communication system, wherein by using the 3rd layer of monitoring of information device function between terminal and isdn network, having saved not is the distribution of total B channel time slot that needs, and causes the service efficiency of B channel time slot to improve.
Another object of the present invention provides an a kind of ISDN method of servicing that uses in the multi-directional and multi-path communication system, wherein having saved not is the distribution of total B channel time slot that needs, cause the service efficiency of B channel time slot to improve, and application demand distribution method on request.
In order to realize one aspect of the present invention, in the ISDN method of servicing that in the multi-directional and multi-path communication system, uses, send a call origination message of pointing to second terminal identity to the substation from first terminal identity.First and second terminal identities are included in the substation, and this substation is included in the base station.In response to call origination message, be based upon between substation and the base station for first and second terminals the one D channel and the 2nd D channel.In response to the foundation of first and second channels, one communication channel is set between first and second terminals by the substation.
In this is set up,, be that first terminal identity is set up a D channel between substation and base station in response to call origination message.In response to the foundation of a D channel, the base station determines whether first terminal should communicate by letter by the substation with second terminal.In response to the foundation of a D channel, be that second terminal identity is set up the 2nd D channel between substation and base station.In the foundation of a D channel,, send request for allocation to a D channel and a B channel from the substation to the base station in response to call origination message.Then,, send one first from the base station to the substation and distribute and to reply, so that set up a D channel and B channel between substation and the base station in response to first channel assignment request.Then, use a D channel, first control information is sent to the base station from the substation.First control information comprises the identifier that one of expression first terminal identity is called out the originating station identifier and represented a Target Station of second terminal identity.Therefore, in response to the foundation of a D channel,, determine whether first and second terminal identities should communicate by letter by the substation according to first control information.
In addition, in the foundation of the 2nd D channel,, send one second control information, to indicate inner a connection from the base station to the substation in response to definite result.In response to second control information, send a second channel request for allocation for the 2nd D channel between substation and the base station from the substation to the base station.Therefore, in response to the second channel request for allocation, send one second distribution from the base station to the substation and reply, to set up the 2nd D channel between substation and the base station.
In the superincumbent description, described foundation is included in the base station when receiving from the replying of second terminal identity by the substation, discharges the B channel between substation and the base station.At this moment, in release, a backward signalling sends to first terminal identity, up to the base station receives response from second terminal by the substation till.
In addition, in the foundation of a D channel,, can send for the D channel between substation and the base station and the request for allocation of a B channel from the substation to the base station in response to call origination message.In response to first channel assignment request, send one first from the base station to the substation and distribute answer signal, so that set up the D channel between substation and the base station.Use a D channel, first control information is sent to the base station from the substation.First control information comprises the identifier that one of expression first terminal identity is called out the originating station identifier and represented a Target Station of second terminal identity.In the case, can determine whether should communicate by letter between first and second terminal identities according to the call origination message in the substation.
In addition, in the foundation of the 2nd D channel,, can send one second control information, to indicate inner a connection from the base station to the substation in response to the foundation of a D channel.In response to second control information, send a second channel request for allocation for the 2nd D channel between substation and the base station from the substation to the base station.Then, in response to the second channel request for allocation, send one second from the base station to the substation and distribute answer signal, to set up the 2nd D channel between substation and the base station.
The ISDN method of servicing can also comprise that sending an alarm signal from second terminal identity to first terminal identity is used for ring-back tone, receives by the substation from till the replying of second terminal identity up to the base station.
For realizing another aspect of the present invention, a multi-directional and multi-path system comprises a substation and a base station that matches with this substation.This substation comprises first and second terminal stations.This substation sends first and second request for allocation to this base station, to set up the first and second D channels between substation and the base station according to a call origination message of pointing to second terminal identity from first terminal identity.In addition, the substation sends corresponding to one first control information of call origination message and arrives the base station, and the communication channel between first and second terminal identities is set.In response to first and second request for allocation, BTS channel will allow to set up the first and second D channels.The base station determines whether to be included in this substation as first terminal identity of calling out originating terminal with as second terminal identity of a call intent according to first control information.In addition, base station transmission one comprises that second control information of inline instruction is to the substation.
Here, the substation is set up communication channel in response to the inline instruction from the base station between first and second terminal identities.The base station sends one and comprises that second control information of inline instruction is to the substation.
In addition, the substation determines whether to be included in this substation as first terminal identity of calling out originating terminal with as second terminal identity of a call intent according to first control information.In addition, the substation is according to determining that the result is provided with the communication channel between first and second terminal channels.
Also have, when having set up a B channel in response to first request for allocation, when the base station receives when replying from one of second terminal by the substation, the base station discharges the B channel between substation and the base station.In this case, the base station sends a backward signalling to first terminal identity, receives by the substation from till the replying of second terminal up to the base station.
In addition, an alarm signal sends to first terminal identity as backward signalling from second terminal identity, receives by the substation from till the replying of second terminal up to the base station.
Fig. 1 shows the structure calcspar of conventional multi-directional and multi-path communication system;
Fig. 2 shows the structure calcspar of the multi-directional and multi-path communication system of first embodiment of the invention 1;
Fig. 3 shows the block schematic diagram of operation of the multi-directional and multi-path communication system of first embodiment of the invention 1;
Fig. 4 shows the precedence diagram of the order of ISDN communication means in the multi-directional and multi-path communication system of first embodiment of the invention;
Fig. 5 shows the system's pictorial diagram in the communications status of ISDN communication means in the multi-directional and multi-path communication system of first embodiment of the invention;
Fig. 6 shows the precedence diagram of the order of ISDN communication means in the multi-directional and multi-path communication system of second embodiment of the invention;
Fig. 7 shows the sequential schematic of call bell generation order in the multi-directional and multi-path communication system of second embodiment of the invention.
Be described in the ISDN method of servicing of multi-directional and multi-path communication system of the present invention below with reference to accompanying drawings.
Fig. 2 is the structure calcspar of the multi-directional and multi-path communication system of first embodiment of the invention.With reference to Fig. 2, the multi-directional and multi-path communication system of first embodiment comprises: isdn network 1, the base station 2 that is connected with isdn network 1, and the substation 3 that is connected with base station 2.The communication line 51 of isdn network 1 is connected with base station 2 with 52.The U point of ISDN basic interface is provided to the network temination unit 71 and 72 that provides for terminal 61 and 62 in substation 3.The communication line 53 that substation 3 provides is corresponding with network terminal communication line 51 and 52 with 54.
In response to an originating point and a terminating point of calling out, under the demand assignment control that will distribute and discharge, the communication line between substation 3 and the base station 2 is set.Undertaken by using B channel and D channel by the communication that communication line carries out.The B channel is the channel that is used for the transmission communication information that communicates between terminal 61 and 62.The D channel is the channel that is used to control communication information communication.
As previously described, demand assignment type multi-directional and multi-path communication system comprises base station 2 and a plurality of substation 3.The distribution of the communication channel between the terminal 61 and 62 that base station 2 and substation 3 are provided and release are to carry out corresponding to originating point and the terminating point called out.In the ISDN method of servicing, base station 2 ends at isdn network at the second layer, and substation 3 ends at terminal 61 and 62 at the second layer.The 3rd layer of information is monitored, and an originating point of calling out and the identification of terminating point make the transmission channel between base station 2 and terminal 61 and 62 to be assigned with and to discharge.Therefore, the service efficiency of D channel and B channel can improve.
In a kind of like this ISDN method of servicing of demand assignment type multi-directional and multi-path communication system, the number of communication channels between base station 2 and the substation 3 can be done is less than the number of users that is held in substation 3.
Fig. 3 shows the system construction drawing of the ISDN method of servicing in the multi-directional and multi-path communication system in the first embodiment of the present invention.With reference to Fig. 3, be provided in the base station 2 for the circuit 51 and 52 of the basic interface of isdn network 1.Communicate by letter with time division multiple access (TDMA) in substation 3.The demand assignment circuit control that communicates lane assignment and release therein down, the time slot that between base station 2 and substation 3, is provided for D channel and B channel according to the originating point and the terminating point of call signal.C channel 100 is frame structures of the signal that sends between base station 2 and substation 3 and receive, and is to be used as a Common Control Channel.The C channel is used to the time slot allocation communicating control information between base station 2 and the substation 3, and the D channel information of exchange basic interface.
Base station 2 and substation 3 comprise the ground floor terminating circuit 21 and 31 that terminates in ground floor respectively, and terminate in the second layer terminating circuit 22 of the second layer and 32 ground floor terminating circuits 21 and 31 and second layer terminating circuit 22 and 32 independently carry out the foundation that links of the synchronous foundation of ground floor between between base station 2 and the isdn network 1 and substation 3 and ISDN terminal 61 and 62 and the second layer respectively.Simultaneously, the 3rd layer of information on the second layer can be monitored.
In the ISDN system, ground floor terminating circuit 21 and 31 and second layer terminating circuit 22 and 32 are known circuit.These known circuit are used for terminating circuit.These circuit can adopt the LSI based on ccitt standard to realize simply.On the other hand, each substation 61 and 62 can send and receive sound (speech) and data based on the time slot of transmission and the receiving function and base station 2 appointments of C channel.
Interface between substation 3 and terminal 61 and 62, and the interface between base station 2 and the isdn network 1 is the U point of ISDN basic interface, as shown in Figure 3.Base station 2 has the function of management time slot except the function of using the transmission of C channel and receiving.In addition, start with reference to time slot admin table 23 to D channel and the required time slot of B channel allocation in response to calling in base station 2.Network side communication line 51 and 52 corresponding to ISDN terminal 61 and 62 is provided in the base station.
Fig. 4 shows the precedence diagram of the order of ISDN communication means in the multi-directional and multi-path communication system of first embodiment of the invention.Specifically, Fig. 4 shows calling out that 3 terminals 61 that contained start from the substation, and to call out be to terminate under the situation that is included in another terminal 62 in the same substation, arrives the series of operations of holding calling out originating terminal and call out institute.In Fig. 4, vertical axis is a time shaft, and it is to increase downwards.
(1) in the operation of calling out originating terminal
When the terminal 61 that is included in substation 3 starts one when calling out, according to demand assignment control recited above, between setting terminal 61 and the substation 3 and the link of the second layer between base station 2 and the isdn network 1 set up.When calling out when terminal 61 starts, one is provided with (SETUP) (I frame) information 101 sends to substation 3 from terminal 61.This configuration information comprises calls out the number of starting or identifier and call targets number or identifier.
In addition, the timeslot number that signal post needs is investigated according to the information in configuration information 101 in substation 3, and this timeslot number is added in the time slot assignment request 102.When the time slot assignment request 102 that receives from substation 3, the timeslot number that base station 2 will be assigned with reference to time slot allocation table 23 is added to a time slot and distributes and reply in 103.Then, base station 2 sends the time slot allocation that has added timeslot number to substation 3 and replys 103.
Substation 3 receives distributes 103 the information of replying from base station 3 as the time.Therefore, 61 the D channel and the time slot of B channel have been set up from isdn network 1 to terminal.Substation 3 will send to base station 2 as the D channel configuration information 101 of using the D channel time slot of distributing from the configuration information 101 that terminal 61 receives.D channel configuration information 101 is wherein to have added by substation 3 from the order label of terminal 61 receptions or the information of identifier.
Under the situation of this transmission,, also can use common employed agreement even the agreement between substation 3 and the base station 2 is not based on the ISDN agreement.The D channel information that substation 3 has received from terminal 61 is transformed into the information 101 between substation 3 and the base station 2, and is sent to base station 2 as the D channel information.
The order label (being known as user number) of the D channel information of the reception that is added in the configuration information 101 is read and stored in base station 2.In addition, base station 2 sends the order label to isdn network 1.After this, be sent to terminal 61 by the 3rd layer of information 104 of isdn network 1 (call treatment is reported to the police, and links).As under D channel time slot and the situation in configuration information, the 3rd layer of information 104 is under the control of base station 2, by frame relay with send to terminal 62.This transmission is set up to call out and is started.
(2) in the operation of calling out clearing end side
Calling out starts and to produce in terminal 62 calls out when stopping when a this mode has been set up, and configuration information 105 at first sends to circuit 52 corresponding to the terminal 62 of base station 2 one sides from isdn network 1.Configuration information 105 is the 3rd a layer of information from the expression call ending of isdn network 1.According to being added to call originator number from the configuration information 105 that isdn network 1 receives (calling subscriber number), whether the call originator is carried out in base station 2 is the investigation that is included in the user in its system.The user as the call originator is under the situation about being included in its system, and whether this user is carried out in base station 2 is in the start investigation of state of calling.
The user is not under the situation of state is started in calling, and base station 2 checks whether the call targets in this information is number consistent with stored calls number of targets in the operation of starting in calling.When the two is in full accord, determine that then the connection between terminal 62 and terminal 61 does not need B channel time slot.Then, utilize C channel 100 to notify substation 3 with D channel information 106.The D channel information is to be used for the information that is included in configuration information that connects in the B channel between terminal 61 and the terminal 62.
When detect the B channel in when connecting information and the configuration information in D channel information 106, substation 3 sends a time slot request for allocation 107 only being the distribution of D channel request time slot.Base station 2 send distribute reply 108 to the substation 3 minute to match the D channel time slot of terminal 62.Substation 3 is sent in configuration information 108 in the D channel information 106 of reception to terminal 62.After this, utilize the time slot of distributing to the D channel, the expression of self terminal 62 is in the future called out the 3rd layer of information 110 (call treatment is reported to the police) that stops and is sent to isdn network 1 by base war 2.Therefore, determined to call out arrival.
Call out in the situation about stopping at this, when base station 2 receives the 3rd layer of information (CONN) of the user answer of representing to come self terminal 62, carry out the release of the time slot of distributing to the B channel that is used for terminal 61.This is why to need to send the reason of ring-back tone till terminal 62 responses from isdn network 1 to terminal 61.
If there is to come the response of self terminal 62,, discharge the B channel time slot of terminal 61 so in response to instruction from base station 2.In substation 3, set up the B channel communication path between terminal 61 and 62.At this moment, be set to a kind of like this state, promptly can send to isdn network 1 by D channel time slot and the base station of being distributed respectively 2 in the 3rd layer of information of D channel.
Fig. 5 shows system's figure of the communications status among first embodiment.In this figure, control signal remains that the D channel that uses between two base stations 2 sends, and substation 3 is connected by isdn network 1 with 62 with terminal 61.Yet the B channel between base station 2 and the substation 3 does not connect and is omitted.The B channel just is connected between the terminal 61 and terminal 62 in the same substation.Other terminal (user) of isdn network can be opened and be used for to abridged B channel.
Fig. 6 shows ISDN method of servicing in the multi-directional and multi-path communication system in second embodiment of the invention.The difference that the multi-directional and multi-path communication of second embodiment is communicated by letter with the multi-directional and multi-path of first embodiment is, is provided with the step of inspection call targets number in calling is started in substation 3.Not that the call targets number from the 3rd floor information that terminal 61 receives is read in base station 2 but substation oneself.If call targets number expression user be included in this substation, substation 3 sends a time slot request for allocation 102 that only is used for the D channel to base war.After a calling of having set up call targets, B channel communication path is set up in substation 3 in himself.What the channel by a kind of inside like this connected sets up, and can save the distribution to the B channel time slot of calling out originating terminal.
For the calling of carrying out to terminal 62 from terminal 61 order that starts, below in conjunction with the order among second embodiment shown in Figure 6, with being described that the order of first embodiment shown in Figure 4 is compared.When substation 3 received the configuration information 101 of self terminal 61, a time slot request for allocation was sent for D channel and B channel in the substation 3 of first embodiment.Yet a time slot request for allocation is sent for the D channel in 3 of substations in a second embodiment.
In first embodiment, when the base station receives one of self terminal 62 to reply (CONN), the d/d arrangement of B channel time slot of the wherein terminal 61 of existence.Yet in a second embodiment, such ordering is unwanted certainly.
In the system of second embodiment, the service efficiency of time slot is compared further raising with first embodiment.In addition, unnecessary sequence is saved, so that processing speed is increased.Because B channel time slot is not assigned to the calling originating terminal, so need provide the sound source of ring-back tone (ring up) till calling out the clearing end response to transmitting terminal for 3 of substations.The order of a kind of like this ring up of generation as shown in Figure 7.Report to the police 111 from receiving terminal 62 outputs one of calling out initial spike, then by substation 3, base station 2, isdn network 1, base station 2 and substation 3 send, and incoming terminal 61 is as the ring up signal.Therefore, under ring up control, can hear ring up through base station 2 in terminal 61.When terminal 62 these ring ups of response, CONN signal 112 is sent to terminal 61 as release signal 113, and ring tone is terminated.In this step, those B channels the B channel between terminal are opened and are discharged.
ISDN method of servicing in multi-directional and multi-path communication system of the present invention, be included in the same substation if call out originating user and call out the user who arrives, communication line between base station and the substation can more effectively use so, and this is because do not need to distribute B channel time slot.The service efficiency of circuit is further improved, and the number of users that is contained to cause can increase.Strengthen further by this effect of user demand distribution method.
Claims (16)
1. an ISDN method of servicing that in the multi-directional and multi-path communication system, uses, comprising:
Send a call origination message of pointing to second terminal identity from first terminal identity to the substation, described first and second terminal identities are to be included in the described substation, and described substation is to be included in the base station;
In response to described call origination message, for described first and second terminal identities are set up a D channel and the 2nd D channel between substation and base station;
In response to the foundation of described first and second channels, between described first and second terminals, a communication channel is set by described substation.
2. ISDN method of servicing according to claim 1 is characterized in that described foundation comprises:
In response to described call origination message, for described first terminal identity is set up a D channel between substation and base station;
In response to the foundation of a described D channel, determine in described base station whether described first terminal should communicate by letter by described substation with described second terminal;
In response to the foundation of a described D channel, for described second terminal identity is set up the 2nd D channel between substation and base station.
3. ISDN method of servicing according to claim 2 is characterized in that describedly setting up a described D channel and comprising:
In response to described call origination message, send described D channel between described substation and the described base station and first channel assignment request of a B channel from described substation to the base station;
In response to described first channel assignment request, send one first distribution from described base station to described substation and reply, so that between substation and base station, set up a described D channel and described B channel;
Use a described D channel, send first control information from described substation to described base station, described first control information comprises the identifier that one of described first terminal identity of expression is called out the originating station identifier and represented a Target Station of described second terminal identity,
Wherein saidly determine to comprise:
In response to the described foundation of a described D channel,, determine whether described first should communicate by letter by described substation with described second terminal identity according to described first control information in described base station.
4. ISDN method of servicing according to claim 2 is characterized in that describedly setting up described the 2nd D channel and comprising:
In response to described definite result, send one second control information from described base station to described substation, to indicate inner a connection;
In response to described second control information, send a second channel request for allocation for the 2nd D channel between described substation and the described base station from described substation to described base station;
In response to described second channel request for allocation, send one second distribution from described base station to described substation and reply, to set up the 2nd D channel between described substation and the described base station.
In the superincumbent description, described foundation is included in the base station when receiving from the replying of second terminal identity by the substation, discharges the B channel between substation and the base station.
5. ISDN method of servicing according to claim 3 is characterized in that described foundation comprises:
When described base station receives from the replying of described second terminal station by the substation, discharge the described B channel between described substation and the described base station.
6. ISDN method of servicing according to claim 5 is characterized in that described release comprises:
Send a backward signalling to described first terminal identity, up to described base station receives response from described second terminal station by described substation till.
7. according to any one the described ISDN method of servicing in the claim 2 to 6, it is characterized in that describedly setting up a described D channel and comprising:
In response to described call origination message, send for the described D channel between described substation and the described base station and the request for allocation of a B channel from described substation to described base station;
In response to described first channel assignment request, send one first from described base station to described substation and distribute answer signal, so that set up the described D channel between described substation and the described base station;
Use a D channel, send first control information from described substation to described base station, described first control information comprises the identifier that one of described first terminal identity of expression is called out the originating station identifier and represented a Target Station of described second terminal identity.
8. according to any one the described ISDN method of servicing in the claim 2 to 6, it is characterized in that describedly determining to comprise:
Determine whether should communicate by letter between described first terminal identity and described second terminal identity according to the described call origination message in described substation by the substation.
9. according to any one the described ISDN method of servicing in the claim 2 to 6, it is characterized in that describedly setting up described the 2nd D channel and comprising:
In response to the foundation of a described D channel, send one second control information from described base station to described substation, to indicate inner a connection;
In response to described second control information, send a second channel request for allocation for described the 2nd D channel between described substation and the described base station from described substation to described base station;
In response to described second channel request for allocation, send one second from described base station to described substation and distribute answer signal, to set up described the 2nd D channel between described substation and the described base station.
10. ISDN method of servicing according to claim 7 is characterized in that also comprising:
Send an alarm signal from described second terminal identity to described first terminal identity and be used for ring-back tone, receive by described substation from till the replying of described second terminal identity up to described base station.
11. a multi-directional and multi-path communication system comprises a substation and a base station that matches with described this substation, it is characterized in that:
First and second terminal stations are contained in described substation, it is according to a call origination message of pointing to described second terminal identity from described first terminal identity, send first and second request for allocation to described base station, to set up the first and second D channels between described substation and the described base station; The substation is also to one first control information of described base station transmission corresponding to described call origination message; And be provided with described first and described second terminal identity between a communication channel; And
In response to described first and described second request for allocation, described BTS channel will allow to set up described first and described the 2nd D channel, determine whether be included in the described substation as described first terminal identity of calling out originating terminal with as described second terminal identity of a call intent according to described first control information; And send one and comprise that second control information of described inline instruction is to described substation.
12. multi-directional and multi-path communication system according to claim 11 is characterized in that described substation in response to the inline instruction from described base station, described first and described second terminal identity between described communication channel is set, and
Described base station comprises described second control information of described inline instruction to described substation transmission one.
13., it is characterized in that described substation determines whether to be included in the described substation as described first terminal identity of calling out originating terminal with as described second terminal identity of a call intent according to described first control information according to claim 11 or 12 described multi-directional and multi-path communication systems; And according to determine the result be provided with described first and described second terminal channel between described communication channel.
14. according to claim 11 or 12 described multi-directional and multi-path communication systems, when it is characterized in that having set up a B channel in response to described first request for allocation, and
When described base station receives when replying from one of described second terminal identity by described substation, described base station discharges the described B channel between described substation and the described base station.
15. multi-directional and multi-path communication system according to claim 14 is characterized in that described base station sends a backward signalling to described first terminal identity, up to described base station receives described replying from described second terminal identity by described substation till.
16. according to claim 11 or 12 described multi-directional and multi-path communication systems, it is characterized in that: an alarm signal sends to described first terminal identity as backward signalling from described second terminal identity, receives by described substation from till the replying of described second terminal up to described base station.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10280201A JP3001534B1 (en) | 1998-10-01 | 1998-10-01 | ISDN service method in multi-way multiplex communication system |
| JP280201/1998 | 1998-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1250322A true CN1250322A (en) | 2000-04-12 |
Family
ID=17621726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99119698 Pending CN1250322A (en) | 1998-10-01 | 1999-09-23 | Multiple-direction and multiple communication system using for comprehensive basiness digital network service |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3001534B1 (en) |
| CN (1) | CN1250322A (en) |
| AU (1) | AU5019399A (en) |
-
1998
- 1998-10-01 JP JP10280201A patent/JP3001534B1/en not_active Expired - Fee Related
-
1999
- 1999-09-23 CN CN 99119698 patent/CN1250322A/en active Pending
- 1999-09-28 AU AU50193/99A patent/AU5019399A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JP3001534B1 (en) | 2000-01-24 |
| JP2000115057A (en) | 2000-04-21 |
| AU5019399A (en) | 2000-04-06 |
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