CN100433927C - Channel-monitoring mechanism realizing method, device and system - Google Patents
Channel-monitoring mechanism realizing method, device and system Download PDFInfo
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- CN100433927C CN100433927C CNB200510132409XA CN200510132409A CN100433927C CN 100433927 C CN100433927 C CN 100433927C CN B200510132409X A CNB200510132409X A CN B200510132409XA CN 200510132409 A CN200510132409 A CN 200510132409A CN 100433927 C CN100433927 C CN 100433927C
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Abstract
The present invention discloses a channel-monitoring mechanism realizing method comprising the following steps: a base station BTS records and stores a notification list number (NLN) sent on a notification channel NCH and a paging channel PCH at latest time; within one dispatching cycle of the NCH/PCH channel, if receiving a new notification message for directing new initiation voice broadcast service (VBS) and/or voice group call service (VGCS) sent from a base station controller (BSC), then a BTS carries with NLN which is different from the stored NLN when the NCH/PCH channel is dispatched at next time; after receiving the NLN message which is different from the previous NLN, a mobile station monitors the NCH channel. The present invention also discloses a device and a system corresponding to the method. Adopting the present invention effectively simplifies the monitoring mechanism of the NCH, reduces effectively received load of the mobile station, and ensures that the mobile station can obtains messages in time when a new VBS service or a VGCS service is initiated at a network side.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of channel-monitoring mechanism implementation method, Apparatus and system.
Background technology
Support voice broadcasting service (Voice Broadcast Service, VBS) and voice group call service (VoiceGroup Call Service, VGCS) travelling carriage will read notification channel (NotifyChannel under idle pulley, NCH) come receiving notice message, the NCH channel is used for sending a notification message specially, comprise the professional corresponding group calls in several reference number of current ongoing VBS or VGCS in these notification messages, support the travelling carriage of VBS and/or VGCS business, write down the group calls in several reference number of own affiliated VBS and/or VGCS group correspondence in its SIM card, when receiving notification message, relatively whether the group calls in several reference number that comprises in these message is present in the group calls in several reference number tabulation of writing down in the own SIM card, if exist, illustrate and one or more own relevant VBS and/or the professional well afoot of VGCS, just can give the user, select the subsequent treatment activity for the user with these group calls in several reference number information indicatings.
A kind of NCH monitoring mechanism of simplification is provided in the prior art, can be used to reduce the reception load of travelling carriage, the NCH monitoring mechanism implementation procedure of this simplification is such:
When the travelling carriage under being in idle pulley enters certain sub-district, at Broadcast Control Channel (BroadcastControl Channel, BCCH) go up receiving system type of message 1, if comprise the NCH position field in this message, illustrate to have the NCH channel, and can determine the specifying information of NCH channel according to this NCH position field information.When judging current area and have the NCH channel, this travelling carriage will constantly read the NCH channel, on the NCH channel, receive at least two up to it and comprise notify list sequence number (Notify ListNumber, NLN) message, and the NLN that comprises in two message that receive recently is in full accord just stops to read the NCH channel.
Stop to read the travelling carriage of NCH channel, under the idle pulley with monitoring seek channel (PagingChannel, PCH) channel, to monitor slow associated control channel (Slow AssociationControl Channel under the dedicated mode, SACCH), 6 have comprised NLN in the system message that beep-page message that issues on the PCH channel and SACCH channel issue, do not having under the professional situation about initiating of new VBS and/or VGCS, the NLN value that comprises in the notification message on the NLN value that comprises in 6 in the system message in beep-page message in the PCH channel and the SACCH channel and the NCH channel is consistent, when the NLN that the NLN that newly receives when travelling carriage and front the last time receive is inequality, will monitor the NCH channel again in these message.
Above-mentioned NLN is produced by the counter of a mould 4, allows value 0,1,2 and 3.Under the NCH monitoring mechanism of simplifying, notify new VBS or VGCS call setup by the variation of this NLN just, monitor the NCH channel again to trigger the travelling carriage that has stopped monitoring the NCH channel.
In the above-mentioned protocol in prior art, described the basic principle of the NCH monitoring mechanism realization of simplifying, but specifically how to have changed, on the NCH channel, how to have sent the implementation that does not provide concrete for the NLN value.In specific implementation process, there are the following problems:
Because NLN is produced by the counter of a mould 4, its value only is 0,1,2 and 3 four value.And there are dispatching cycle in the PCH channel and the NCH channel that carry NLN, suppose that the NLN that carries is 1 when last once PCH/NCH channel dispatch; If the professional sum of new VBS that initiates in a dispatching cycle and/or VGCS just in time is 4 multiple, when then dispatching the PCH/NCH channel once more, the NLN that carries still is 1, like this, the NLN of twice reception is identical before and after the travelling carriage, can think does not have new VBS and/or the professional generation of VGCS, no longer reads the NCH channel.And in fact, on the NCH channel, had new notification message.This situation will make travelling carriage intactly not receive notification message, cause the system business imperfection, reduce the service quality of system.
Summary of the invention
The invention provides a kind of channel-monitoring mechanism implementation method, initiate in order to solve the existing new VBS/VGCS business of system side that exists in the prior art, and the problem that travelling carriage can not accurately be known.
The present invention also provides a kind of and corresponding device of the inventive method and system.
The inventive method comprises: the base station BTS record also is stored in notification channel NCH and the upward the last notify list sequence number NLN that sends of paging channel PCH;
In a dispatching cycle of NCH/PCH channel, if BTS receives that indication that base station controller BSC sends newly initiates the new notification message of Voice Broadcast Service VBS and/or voice group call service VGCS, then when carrying out the NCH/PCH channel dispatch, carry and the different NLN of described NLN that stores next time;
After travelling carriage is received the message of carrying with a preceding different N LN, monitor the NCH channel.
According to said method of the present invention, in a dispatching cycle of NCH/PCH channel,, then when carrying out the NCH/PCH channel dispatch, carry and the identical NLN of described NLN that stores if BTS does not receive the described new notification message that BSC sends next time.
According to said method of the present invention, for NCH channel and PCH channel are provided with the NLN updating mark, it is invalid that its initial value is changed in BTS; BTS is changed to described NLN updating mark effectively after receiving the described new notification message of BSC transmission;
BTS judges at first whether described NLN updating mark effective when carrying out the NCH/PCH channel dispatch, if effectively, then this scheduling is carried and the different NLN of described NLN that stores, and the NLN updating mark is reset to invalid; If invalid, then this scheduling is carried and the identical NLN of described NLN that stores.
According to said method of the present invention, after BTS receives the described new notification message of BSC transmission, write down the new NLN that carries in the described new notification message, when carrying out the NCH/PCH channel dispatch, if described NLN updating mark is effective, the NLN of then further more described new NLN and storage, if both are identical, then this dispatches NLN employing of use and the NLN NLN inequality of storage; If both differences, then the NLN of this scheduling use adopts described new NLN.
According to said method of the present invention, travelling carriage is monitored the NCH channel after receiving the beep-page message that carries with a preceding different N LN from the PCH channel again;
Travelling carriage continues to read the NCH channel after receiving the notification message that carries with a preceding different N LN from the NCH channel, after reading continuous at least two notification messages that comprise identical NLN on the NCH channel, stops to read the NCH channel, monitors the PCH channel.
Travelling carriage is monitored slow associated control channel SACCH under dedicated mode, NLN that comprises in judging SACCH channel system message 6 and the preceding NLN that once receives are inequality, and system does not provide Fast Associated Control Channel FACCH notification message, and travelling carriage will be monitored the NCH channel.
According to said method of the present invention, described NLN is produced by mould 4 counters.
Channel-monitoring mechanism implement device provided by the invention comprises: notification message receiving element, memory cell, judging unit and scheduling unit;
The new notification message that VBS and/or VGCS business are newly initiated in the indication that described notification message receiving element reception BSC sends; If in a dispatching cycle of NCH/PCH channel, receive new notification message, then be transmitted to described judging unit;
The described scheduling unit of described cell stores is the last NLN that sends on NCH channel and PCH channel;
Described judging unit obtains the NLN that stores in the described memory cell, and judges whether to receive described new notification message after receiving the NCH/PCH channel dispatch notice of described scheduling unit initiation; If do not receive described new notification message, then the NLN with storage returns to described scheduling unit, carries out the NCH/PCH channel dispatch by described scheduling unit, carries the described NLN of storage;
If judging unit receives described new notification message, then return the NLN different with the NLN that stores to described scheduling unit, singly carry out the NCH/PCH channel dispatch by described scheduling, carry the NLN that returns.
Also comprise comparison module, first output module and second output module in the described judging unit;
Whether the new NLN that carries in the NLN that stores in the described comparison module comparison memory cell and the described new notification message is identical, if both are identical, then sends output order to first output module; If both differences then send output order to second output module;
Described first output module increases or reduces a variable quantity with the NLN of storage, and the NLN after changing is returned to described scheduling unit;
Described second output module returns to described scheduling unit with the new NLN that carries in the described new notification message.
Described device realized by hardware or software, is embedded in the BTS or by interface to be connected with BTS.
Channel-monitoring mechanism provided by the invention is realized system, and the BTS and the said apparatus provided by the invention that comprise travelling carriage, the network side of user side are embedded in the network side BTS or by interface and are connected with network side BTS.
Beneficial effect of the present invention is as follows:
(1) the inventive method writes down and is stored in the last NLN that sends on NCH channel and the PCH channel by base station (BTS); If in a dispatching cycle of NCH/PCH channel, receive the new notification message that VBS and/or VGCS business are newly initiated in indication that BSC sends, then when carrying out the NCH/PCH channel dispatch, carry and the different NLN of described NLN that stores next time; Like this, just guaranteed that the NLN that twice is received before and after the travelling carriage is inequality when network side has new VBS and/or the professional initiation of VGCS, thereby monitor the NCH channel, read notification message, make travelling carriage can promptly and accurately obtain notification message on the NCH channel, do not produce notification message and omit phenomenon.
In a dispatching cycle of NCH/PCH channel,, then when carrying out the NCH/PCH channel dispatch, carry and the identical NLN of described NLN that stores if BTS does not receive the new notification message that BSC sends next time; Like this, the NLN that twice is received before and after the travelling carriage is identical, does not have new notification message on the expression NCH channel, travelling carriage can no longer read the NCH channel, thereby realize the NCH monitoring mechanism of simplification, effectively reduce travelling carriage and receive load that the resource of saving travelling carriage is opened and disappeared.
(2) channel-monitoring mechanism implement device provided by the invention is in order to realize said method provided by the invention.The various functional modules of apparatus of the present invention can be realized by hardware or software.Apparatus of the present invention can be embedded in the base station or by interface and be connected with the base station, realize simple, convenient.
(3) channel-monitoring mechanism provided by the invention is realized system, comprises travelling carriage, base station and said apparatus provided by the invention.Adopt system of the present invention, the notification channel monitoring mechanism of make simplifying can be implemented, and travelling carriage can receive the new notification message of each bar, and perfect system business has improved the service quality of system.
Description of drawings
Fig. 1 is one of the inventive method flow chart;
Fig. 2 is two of the inventive method flow chart;
Fig. 3 is three of the inventive method flow chart;
Fig. 4 is apparatus of the present invention structural representation;
Fig. 5 forms schematic diagram for system of the present invention.
Embodiment
NLN mainly is included in the notification message on the NCH channel, in the system message 6 on beep-page message on the PCH channel and the SACCH channel, the management of system message concentrates on BSC and realizes on the SACCH channel, and the scheduling of message and management are realized jointly by BTS and BSC on NCH channel and the PCH channel.Therefore, the management of NLN must be finished jointly by BSC and BTS.
Because the NLN on the SACCH channel need be harmonious with the NLN on PCH channel and the NCH channel, therefore, the basic management of NLN is realized by BSC, BSC utilizes notification message to come informing base station to start or stops a VBS or VGCS business, comprises the group calls in several reference number of the professional correspondence of VBS or VGCS and the NLN value that BSC utilizes mould 4 counters to calculate in this message.BSC every new initiate a VBS or VGCS calling, the NLN value will increase 1 mould 4, and BSC should carry to BTS in new notification message by new NLN.
In order to overcome shortcoming of the prior art, the invention provides a kind of channel-monitoring mechanism implementation method, comprising:
The BTS record also is stored in the last NLN that sends on NCH channel and the PCH channel; In a dispatching cycle of NCH/PCH channel,, then when carrying out the NCH/PCH channel dispatch, carry and the different NLN of described NLN that stores if BTS receives the new notification message that VBS and/or VGCS business are newly initiated in the indication of BSC transmission next time; After travelling carriage is received the message of carrying with a preceding different N LN, monitor the NCH channel.
In a dispatching cycle of NCH/PCH channel,, then when carrying out the NCH/PCH channel dispatch, carry and the identical NLN of described NLN that stores if BTS does not receive the described new notification message that BSC sends next time.
With a specific embodiment the inventive method is described in detail below.
In BTS, the NLN updating mark is set for NCH channel and PCH channel.The NLN updating mark of NCH channel is designated as UPDnln_in_nch, and the NLN updating mark of each PCH channel is designated as UPDnln_in_pch.The initial value that UPDnln_in_nch and UPDnln_in_pch are set is invalid, even UPDnln_in_nch initial value=" FLASE " makes UPDnln_in_pch initial value=" FLASE ".
The last NLN that sends on BTS record and the storage NCH channel is designated as NLNlast_in_nch; Record is also stored the last NLN that sends on each PCH channel, is designated as NLNlast_in_pch; If BTS receives the new notification message of indicating new VBS of initiation and/or VGCS business from BSC, obtain and write down the NLN that carries in this new notification message, be designated as NLNbsc; And NCH channel NLN updating mark is changed to effectively, that is: make UPDnln_in_nch=" TRUE ", each PCH channel NLN updating mark also is changed to effectively, that is: make UPDnln_in_pch=" TRUE ".Its idiographic flow comprises the steps: as shown in Figure 1
S11, BTS receive the notification message from BSC;
S12, BTS judge whether the notification message of current reception is new notification message; If this notification message is new VBS that initiates or VGCS business, then is new notification message; Continue step S13; If this notification message then is not new notification message for stopping certain VBS or VGCS business, execution in step S14;
S13, UPDnln_in_nch=" TRUE " is set; UPDnln_in_pch=" TRUE " is set; The NLN that NLNbsc equals to carry in the notification message is set; Execution in step S14;
S14, process ends.
When BTS carries out the NCH/PCH channel dispatch in the cycle, judge at first whether described NLN updating mark is effective, if effectively, then this scheduling is carried and the different NLN of described NLN that stores, and the NLN updating mark is reset to initial value; If invalid, then this scheduling is carried and the identical NLN of described NLN that stores.
Respectively the concrete scheduling process of NCH channel and PCH channel is elaborated below.
Referring to Fig. 2,, comprise the steps: for NCH channel dispatch flow chart
S21, BTS according to configuration, need carry NLN when carrying out the NCH channel dispatch; Execution in step S22;
S22, BTS judge whether the NLN updating mark of NCH channel is effective; If UPDnln_in_nch=" FLASE ", then execution in step S23; If UPDnln_in_nch=" TRUE ", then execution in step S24;
The NLN that S23, this scheduling NCH channel carry is the NLNlast_in_nch of storage; Execution in step S29;
S24, the NLN updating mark that NCH is set are initial value, make UPDnln_in_nch=" FLASE " that is:, continue the following step;
The NLNlast_in_nch whether NLNbsc of S25, further judgement record equals to store; If both are unequal, execution in step S26 then; If both are equal, then execution in step S27;
The NLN that S26, this scheduling are used equals NLNbsc; Execution in step S28;
After NLN that S27, this scheduling are used equals NLNlast_in_nch and adds 1 again to 4 deliverys; In order not change existing protocol as far as possible, the present invention still adopts mould 4 counters of the prior art to produce NLN; Execution in step S28;
S28, NLNlast_in_nch is set equals the NLN that this scheduling is used; Execution in step S29
S29, process ends.
According to Fig. 2 flow process as can be known: when carrying out the NCH channel dispatch, if in the blanking time (being the NCH channel dispatch cycle) of last time NCH channel dispatch and this NCH channel dispatch, BTS has received the new notification message that BSC issues, then UPDnln_in_nch=" TRUE ".According to said method of the present invention, the NLN that carries in the time of need making this scheduling NCH channel is different from the NLNlast_in_nch of storage.For this reason, the present invention adopts step S26 and two kinds of concrete NLN obtaining value methods of step S27 to determine the NLN that this scheduling is carried.Need to prove that this is a kind of concrete obtaining value method of the present invention, in step S26, the NLN value of use also can be not equal to NLNbsc, and adopts other value, guarantees that just the NLN value is not equal to NLNlast_in_nch and gets final product; In like manner, in step S27, the NLN value of use also can adopt other value, as after making NLN equal NLNlast_in_nch to subtract 1 again to 4 deliverys etc., only need to guarantee that a NLN value is not equal to NLNlast_in_nch and gets final product equally.
If in the blanking time (being the NCH channel dispatch cycle) of last time NCH channel dispatch and this NCH channel dispatch, BTS does not receive the new notification message that BSC issues, UPDnln_in_nch=" FLASE " then, the NLNlast_in_nch that the NLN that this scheduling NCH channel uses equals to store, promptly use identical NLN, represent that with this network side does not have new notification message to issue with last scheduled.
Referring to Fig. 3,, comprise the steps: for PCH channel dispatch flow chart
S31, BTS start the PCH channel dispatch, carry out the following step;
S32, BTS judge whether the NLN updating mark of PCH channel is effective; If UPDnln_in_pch=" FLASE ", then execution in step S33; If UPDnln_in_pch=" TRUE ", then execution in step S34;
The NLN that S33, this scheduling PCH channel carry is the NLNlast_in_pch of storage; Execution in step S39;
S34, the NLN updating mark that PCH is set are initial value, make UPDnln_in_pch=" FLASE " that is:, continue the following step;
The NLNlast_in_pch whether NLNbsc of S35, further judgement record equals to store; If both are unequal, execution in step S36 then; If both are equal, then execution in step S37;
The NLN that S36, this scheduling are used equals NLNbsc; Execution in step S38;
After NLN that S37, this scheduling are used equals NLNlast_in_pch and adds 1 again to 4 deliverys; In order not change existing protocol as far as possible, the present invention still adopts mould 4 counters of the prior art to produce NLN; Execution in step S38;
S38, NLNlast_in_pch is set equals the NLN that this scheduling is used; Execution in step S39;
S39, process ends.
According to Fig. 3 flow process as can be known: when carrying out the PCH channel dispatch, if in the blanking time (being the PCH channel dispatch cycle) of last time PCH channel dispatch and this PCH channel dispatch, BTS has received the new notification message that BSC issues, then UPDnln_in_pch=" TRUE ".According to said method of the present invention, the NLN that carries in the time of need making this scheduling PCH channel is different from the NLNlast_in_pch of storage.For this reason, the present invention adopts step S36 and two kinds of concrete NLN obtaining value methods of step S37 to determine the NLN that this scheduling is carried.Need to prove that this is a kind of concrete obtaining value method of the present invention, in step S36, the NLN value of use also can be not equal to NLNbsc, and adopts other value, guarantees that just the NLN value is not equal to NLNlast_in_pch and gets final product; In like manner, in step S37, the NLN value of use also can adopt other value, as after making NLN equal NLNlast_in_pch to subtract 1 again to 4 deliverys etc., only need to guarantee that a NLN value is not equal to NLNlast_in_pch and gets final product equally.
If in the blanking time (being the PCH channel dispatch cycle) of last time PCH channel dispatch and this PCH channel dispatch, BTS does not receive the new notification message that BSC issues, UPDnln_in_pch=" FLASE " then, the NLNlast_in_pch that the NLN that this scheduling PCH channel uses equals to store, promptly use identical NLN, represent that with this network side does not have new notification message to issue with last scheduled.
If the current monitoring of travelling carriage is the PCH channel, travelling carriage will be monitored the NCH channel after receiving the beep-page message that carries with a preceding different N LN from the PCH channel again.
If the current monitoring of travelling carriage is the NCH channel, after travelling carriage receives the notification message that carries with a preceding different N LN from the NCH channel, continue to read the NCH channel, after reading continuous at least two notification messages that comprise identical NLN on the NCH channel, stop to read the NCH channel, under idle pulley, monitor the PCH channel.
Travelling carriage is monitored the SACCH channel under dedicated mode, NLN that comprises in SACCH channel system message 6 and the preceding NLN that once receives are inequality, and system does not provide Fast Associated Control Channel (Fast Association Control Channel, FACCH) notification message, travelling carriage will be monitored the NCH channel.
In order to realize said method of the present invention, the invention provides a kind of channel-monitoring mechanism implement device, as shown in Figure 4, comprising: notification message receiving element, memory cell, judging unit and scheduling unit.
The new notification message that VBS and/or VGCS business are newly initiated in the indication that notification message receiving element reception BSC sends; If in a dispatching cycle of NCH/PCH channel, receive described new notification message, then be transmitted to judging unit.
The described scheduling unit of cell stores is the last NLN that sends on NCH channel and PCH channel.
Judging unit obtains the NLN that stores in the memory cell, and judges whether to receive new notification message after receiving the NCH/PCH channel dispatch notice of scheduling unit initiation; If do not receive new notification message, then the NLN with storage returns to scheduling unit, singly carries out the NCH/PCH channel dispatch by described scheduling, carries the described NLN of storage; If judging unit receives new notification message, then return the NLN different with the NLN that stores to scheduling unit, singly carry out the NCH/PCH channel dispatch by scheduling, carry the NLN that returns.
Also comprise comparison module, first output module and second output module in the judging unit.
Whether the new NLN that carries in the NLN that stores in the comparison module comparison memory cell and the new notification message is identical, if both are identical, then sends output order to first output module; If both differences then send output order to second output module.
First output module increases or reduces a variable quantity with the NLN of storage, and the NLN after changing is returned to described scheduling unit.
Second output module returns to described scheduling unit with the new NLN that carries in the described new notification message.
Said apparatus of the present invention can be realized by hardware or software, can be embedded in the BTS or by interface to be connected with BTS.
A kind of channel-monitoring mechanism of apparatus of the present invention that uses is realized system, comprises the travelling carriage of user side and the BTS of network side; Wherein, said apparatus of the present invention is embedded in the network side BTS or by interface is connected with network side BTS.The system configuration schematic diagram as shown in Figure 5.
In sum, the inventive method is write down and is stored in the last NLN that sends on NCH channel and the PCH channel by BTS; If in a dispatching cycle of NCH/PCH channel, receive the new notification message that VBS and/or VGCS business are newly initiated in indication that BSC sends, then when carrying out the NCH/PCH channel dispatch, carry and the different NLN of described NLN that stores next time; Like this, just guaranteed that the NLN that twice is received before and after the travelling carriage is inequality, thereby monitors the NCH channel, reads notification message when network side has that new VBS and/or VGCS are professional to initiate, made travelling carriage can promptly and accurately obtain notification message on the NCH channel.
In a dispatching cycle of NCH/PCH channel,, then when carrying out the NCH/PCH channel dispatch, carry and the identical NLN of described NLN that stores if BTS does not receive the new notification message that BSC sends next time; Like this, the NLN that twice is received before and after the travelling carriage is identical, does not have new notification message on the expression NCH channel, travelling carriage can no longer read the NCH channel, thereby realize the NCH monitoring mechanism of simplification, effectively reduce travelling carriage and receive load that the resource of saving travelling carriage is opened and disappeared.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1, a kind of channel-monitoring mechanism implementation method is characterized in that, comprising: the base station BTS record also is stored in notification channel NCH and the upward the last notify list sequence number NLN that sends of paging channel PCH;
In a dispatching cycle of NCH/PCH channel, if BTS receives that indication that base station controller BSC sends newly initiates the new notification message of Voice Broadcast Service VBS and/or voice group call service VGCS, then when carrying out the NCH/PCH channel dispatch, carry and the different NLN of described NLN that stores next time;
After travelling carriage is received the message of carrying with a preceding different N LN, monitor the NCH channel.
2, the method for claim 1, it is characterized in that, in a dispatching cycle of NCH/PCH channel, if BTS does not receive the described new notification message that BSC sends, then when carrying out the NCH/PCH channel dispatch, carry and the identical NLN of described NLN that stores next time.
3, method as claimed in claim 2 is characterized in that, for NCH channel and PCH channel are provided with the NLN updating mark, it is invalid that its initial value is changed in BTS; BTS is changed to described NLN updating mark effectively after receiving the described new notification message of BSC transmission;
BTS judges at first whether described NLN updating mark effective when carrying out the NCH/PCH channel dispatch, if effectively, then this scheduling is carried and the different NLN of described NLN that stores, and the NLN updating mark is reset to invalid; If invalid, then this scheduling is carried and the identical NLN of described NLN that stores.
4, method as claimed in claim 3, it is characterized in that, after BTS receives the described new notification message of BSC transmission, write down the new NLN that carries in the described new notification message, when carrying out the NCH/PCH channel dispatch, if described NLN updating mark is effectively, the NLN of then further more described new NLN and storage, if both are identical, then this dispatches the NLN NLN inequality of NLN employing with the storage of use; If both differences, then the NLN of this scheduling use adopts described new NLN.
5, method as claimed in claim 2 is characterized in that, travelling carriage is monitored the NCH channel after receiving the beep-page message that carries with a preceding different N LN from the PCH channel again;
Travelling carriage continues to read the NCH channel after receiving the notification message that carries with a preceding different N LN from the NCH channel, after reading continuous at least two notification messages that comprise identical NLN on the NCH channel, stops to read the NCH channel, monitors the PCH channel.
6, method as claimed in claim 5, it is characterized in that, travelling carriage is monitored slow associated control channel SACCH under dedicated mode, NLN that comprises in judging SACCH channel system message 6 and the preceding NLN that once receives are inequality, and system does not provide Fast Associated Control Channel FACCH notification message, and travelling carriage will be monitored the NCH channel.
As the described method of the arbitrary claim of claim 1-6, it is characterized in that 7, described NLN is produced by mould 4 counters.
8, a kind of channel-monitoring mechanism implement device is characterized in that comprising: notification message receiving element, memory cell, judging unit and scheduling unit;
The new notification message that VBS and/or VGCS business are newly initiated in the indication that described notification message receiving element reception BSC sends; If in a dispatching cycle of NCH/PCH channel, receive new notification message, then be transmitted to described judging unit;
The described scheduling unit of described cell stores is the last NLN that sends on NCH channel and PCH channel;
Described judging unit obtains the NLN that stores in the described memory cell, and judges whether to receive described new notification message after receiving the NCH/PCH channel dispatch notice of described scheduling unit initiation; If do not receive described new notification message, then the NLN with storage returns to described scheduling unit, carries out the NCH/PCH channel dispatch by described scheduling unit, carries the described NLN of storage;
If judging unit receives described new notification message, then return the NLN different with the NLN that stores to described scheduling unit, singly carry out the NCH/PCH channel dispatch by described scheduling, carry the NLN that returns.
9, device as claimed in claim 8 is characterized in that, also comprises comparison module, first output module and second output module in the described judging unit;
Whether the new NLN that carries in the NLN that stores in the described comparison module comparison memory cell and the described new notification message is identical, if both are identical, then sends output order to first output module; If both differences then send output order to second output module;
Described first output module increases or reduces a variable quantity with the NLN of storage, and the NLN after changing is returned to described scheduling unit;
Described second output module returns to described scheduling unit with the new NLN that carries in the described new notification message.
10, device as claimed in claim 8 is characterized in that, described device realized by hardware or software, is embedded in the BTS or by interface to be connected with BTS.
11, a kind of channel-monitoring mechanism is realized system, comprises the travelling carriage of user side and the BTS of network side; It is characterized in that, also comprise the described device of claim 8, be embedded in the network side BTS or be connected with network side BTS by interface.
12, system as claimed in claim 11 is characterized in that, the judging unit in the described device also comprises comparison module, first output module and second output module;
Whether the new NLN that carries in the NLN that stores in the described comparison module comparison memory cell and the described new notification message is identical, if both are identical, then sends output order to first output module; If both differences then send output order to second output module;
Described first output module increases or reduces a variable quantity with the NLN of storage, and the NLN after changing is returned to described scheduling unit;
Described second output module returns to described scheduling unit with the new NLN that carries in the described new notification message.
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| CN102202266B (en) * | 2011-06-27 | 2013-08-14 | 深圳市桑达无线通讯技术有限公司 | Call information updating method for trunking communication system terminal |
| CN112312333B (en) * | 2020-11-02 | 2021-11-05 | 深圳市桑达无线通讯技术有限公司 | Group call processing control method for railway special mobile terminal |
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| EP1565026A2 (en) * | 2004-02-12 | 2005-08-17 | Samsung Electronics Co., Ltd. | Method of efficiently transmitting control information for multimedia broadcast/multicast service |
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| EP1349415A1 (en) * | 2002-03-25 | 2003-10-01 | Sagem SA | Method for establishing a group call in a GPRS telecommunications system |
| EP1565026A2 (en) * | 2004-02-12 | 2005-08-17 | Samsung Electronics Co., Ltd. | Method of efficiently transmitting control information for multimedia broadcast/multicast service |
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