Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, be further described in more detail below in conjunction with drawings and the specific embodiments.
For the better technical scheme of explanation various embodiments of the present invention, below earlier the principle and the flow process of Cell Broadcast Short Message CBCH service are simply described.Cell Broadcast Short Message CBCH service (SMSCB) is one and the similar business of existing Short Message Service.Briefly, the short message that it can send need utilize CBCH (CBCH) in the wireless network to regional unidirectional, the selectable broadcast transmission of the network coverage, makes login all user terminals on network directly show related information content.On existing network, enable cell broadcast service, do not need to increase extra hardware at network side, only need carry out certain modification and get final product existing wireless area configuration parameter.
The Cell Broadcast Short Message CBCH service is provided, at first needs the configuration parameter of control channel is carried out certain modification, (Broadcast Control Channel, BCCH) carrier frequency at place (TRX) is gone up configuration CBCH channel in Broadcast Control Channel.The channel that is used for transmitting broadcast SMS is just arranged in control channel like this.
In order to allow terminal can normally receive the broadcast SMS that network sends, after having disposed the CBCH channel, have the CBCH channel in CBCH Channel description in the SYSTEM INFORMATION that terminal is received, the CBCH Mobile Allocation content and describe, guarantee that terminal can correctly discern the CBCH channel.
Create the content of short message that needs broadcasting then, it can be by the CBC of setting up (CellBroadcast Centre, CBC) realize, also can be at base station controller (Base Station Controller, BSC) upward realize at Local or Remote by manmachine command, from management and business development angle, since CBC can by LAN or X.25 the BSC of link and a plurality of BSC or even different manufacturers link to each other, therefore be a kind of reasonable implementation, CBC usually can integrated exploitation on Short Message Service Platform.
At last, the short message that will send links to each other with wireless area, and the wireless area that links to each other can be one or more, and sends by the CBCH channel radio in the control channel of sub-district, can both receive this information in the zone that wireless area covers.
With reference to Fig. 3, the composition structural representation for the network 100 of embodiment of the invention control cell broadcaste service comprises:
CBC 120 is used to send first control information.
Base station controller 130 is used to receive described first control information that described CBC 120 sends, and resolves described first control information, when described first control information is system information, generates second control information and sends described second control information.
Base transceiver station 140 is used for generating the 3rd control information of On/Off cell broadcast service when described second control information that receives that described base station controller 130 sends, and described the 3rd control information is sent to terminal 200.
Further, the network 100 of described control cell broadcaste service also comprises: Cell Broadcast Entity 110 is used to send the control information that makes CBC 120 generations first control information.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
With reference to Fig. 4, the composition structural representation for embodiment of the invention terminal 200 comprises:
Receiving element 210 is used to receive described the 3rd control information that the network 100 of described control cell broadcaste service sends.
Resolution unit 220 is used to resolve described the 3rd control information that described receiving element 210 receives, and generates the 4th control information.
Control unit 230 is used for according to described the 4th control information control backstage On/Off cell broadcast service.
The network 100 of described control cell broadcaste service and the course of work of terminal 200 and operation principle will be described in detail in components of system as directed, consider for length, not repeat them here, and get final product referring to the description of back relevant portion.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
With reference to Fig. 1, Fig. 2, show a kind of composition structure chart of controlling the cell broadcaste service system of the embodiment of the invention, described system comprises:
Control cell broadcaste service network 100, be used to generate the 3rd control information of On/Off cell broadcast service and send described the 3rd control information.
Terminal 200 is used to receive described the 3rd control information that the network of described control cell broadcaste service sends, On/Off cell broadcast service.
The network 100 of described control cell broadcaste service comprises:
CBC 120 is used to send first control information.
Base station controller 130 is used to receive described first control information that described CBC 120 sends, and resolves described first control information, when described first control information is system information, generates second control information and sends described second control information.
Base transceiver station 140 (Base Transceiver Station, BTS), be used for when described second control information that receives that described base station controller 130 sends, generating the 3rd control information of On/Off cell broadcast service, described the 3rd control information is sent to terminal 200.
Described terminal 200 comprises:
Receiving element 210 is used to receive described the 3rd control information that the network 100 of described control cell broadcaste service sends.
Resolution unit 220 is used to resolve described the 3rd control information that described receiving element 210 receives, and generates the 4th control information.
Control unit 230 is used for according to described the 4th control information control backstage On/Off cell broadcast service.
Further, the network 100 of described control cell broadcaste service also comprises: (CellBroadcast Entity CBE), is used to send the control information that makes CBC 120 generations first control information to Cell Broadcast Entity 110.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
Wherein, to be CBC 120 produce according to the demand that sends Cell Broadcast CB or according to the control information of Cell Broadcast Entity 110 in described first control information, send emergence message as needs, during Cell Broadcast CBs such as transmission important information or transmission weather forecast information, CBC 120 produces first control information.Described first control information is the Write-Replace information of extended field on the former protocols having basis of agreement 3GP TS 23.041, and its concrete form is as follows:
In the realization of embodiment of the invention technical scheme, in original protocol information Write-Replace, increase System information flag field (value is 0 or 1), whether be used to identify this information is system information, if (value is 1), force terminal 200 backstages to open cell broadcast service with showing needs, if not (value is 0), then showing does not need to force terminal 200 backstages to open cell broadcast service, carries out Cell Broadcast CB by normal flow and gets final product.
Base station controller 130 is receiving after first control information is Write-Replace information, to described first control information is that Write-Replace information is resolved, judge the System information flag field in the Write-Replace information, if value is 0, then according to the mode broadcast message of former protocols having, the present invention is not described in detail this; If value is 1, then generate the second control information SMS REQUESTCONTROL and send the described second control information SMS REQUEST CONTROL to base transceiver station 140BTS, described SMS REQUEST CONTROL information format can be defined as follows (referring to 3GPPTS 08.58):
Message discriminator Message type CB Command type CB Message-Identifier |
9.1 9.2 9.3.41 |
M M M M |
V V TV V |
1 1 2 2 |
Wherein, CB Command type is defined as system message Broadcast 0001;
CB Message-Identifier is the channel at this information place.
When the described second control information SMS REQUEST CONTROL that base transceiver station 140BTS receives that described base station controller 130BSC sends, generate the 3rd control information of On/Off cell broadcast service, described the 3rd control information is sent to terminal 200.
To the realization of described the 3rd control information, preferred following two kinds of the embodiment of the invention:
First kind is the mode by expanding in the control information of existing protocol, adds backstage opening/closing cell broadcast service, the function of interpolation/deletion Cell Broadcast Channel; For example increase System Information Type 21 and be used for storage and transmit the backstage control information in System Information (referring to 3GPP TS 04.18), information format can be with reference to following table:
SYSTEM INFORMATION TYPE 21 message content
IEI |
Information element |
Type/Reference |
Presence |
Format |
length |
|
L2 pseudo length |
L2 pseudo length 10.5.2.19 |
M |
V |
1 |
|
RR management Protocol Discriminator |
Protocol Discriminator 10.2 |
M |
V |
1/2 |
|
Skip Indicator |
Skip Indicator 10.3.1 |
M |
V |
1/2 |
|
System Information Type 21 Message Type |
Message Type 10.4 |
M |
V |
1 |
|
Cell broadcast service state control |
|
M |
V |
1 |
|
Message Identifier List Request Description |
|
M |
LV |
2-n |
Wherein, Cell broadcast service state control
Message Identifier List Request Description
In message type, increase
0 1 0 0 0---System information messages:
0 0 0-SYSTEM INFORMATION TYPE 18
0 0 1-SYSTEM INFORMATION TYPE 19
0 1 0-SYSTEM INFORMATION TYPE 20
0 1 1-SYSTEM INFORMATION TYPE 21
Described Cell broadcast service state control is a cell broadcast service On/Off State Control field;
Described Message Identifier List Request Description needs the Cell Broadcast Channel list field of adding/deleting;
Opening the channel in cell broadcast service/interpolations tabulation when Cell broadcast service state control flag bit is 1, is to close the channel of cell broadcast service/deletion in tabulating at 0 o'clock.
Second kind is newly-increased a kind of new control information, is used for backstage opening/closing cell broadcast service, interpolation/deletion Cell Broadcast Channel, as:
CBS(cell broadcast service)controlinformation message content
IEI |
Information element |
Type/Reference |
Presence |
Format |
length |
|
RR management Protocol Discriminator |
Protocol Discriminator 10.2 |
M |
V |
1/2 |
|
Skip Indicator |
Skip Indicator 10.3.1 |
M |
V |
1/2 |
|
CBS control information Message Type |
Message Type 10.4 |
M |
V |
1 |
|
Cell broadcast service state control |
|
M |
V |
1 |
|
Message Identifier List Request Description |
|
M |
LV |
2-n |
Wherein, Cell broadcast service state control
Message Identifier List Request Description
In message type, increase:
0 1 0 0 0 0 1 1 CBS control information Message Type
Opening the channel in cell broadcast service/interpolations tabulation when Cell broadcast service state control flag bit is 1, is to close the channel of cell broadcast service/deletion in tabulating at 0 o'clock.
After the receiving element 210 of terminal 200 receives three control information of base transceiver station 140 by the On/Off cell broadcast service of BCCH channel transmission, resolution unit 220 is resolved described the 3rd control information that described receiving element 210 receives, generate the 4th control information, described the 4th control information is the control information of control terminal 200 On/Off cell broadcast service and interpolation/deletion Cell Broadcast Channel.The control unit 230 of terminal 200 is controlled backstage On/Off cell broadcast service according to described the 4th control information, and adds Cell Broadcast Channel when opening cell broadcast service, deletion Cell Broadcast Channel during the deletion cell broadcast service.
After terminal 200 backstages are opened cell broadcast service and are added Cell Broadcast Channel, just can carry out Cell Broadcast CB according to existing Cell Broadcast CB flow process, do not repeat them here.
According to embodiment of the invention technical scheme, send control information to terminal 200 by network side, can do not need the user participate under the cell broadcast service on automatic opening terminal 200 backstages, enlarged the range of application of cell broadcast service, improved user experience.
With reference to Fig. 5, show a kind of flow chart of controlling the cell broadcaste service method of the embodiment of the invention, comprise step:
First control information that step S310, reception CBC send.
Base station controller receives first control information that CBC sends, to be CBC produce according to the demand that sends Cell Broadcast CB or according to the control information of Cell Broadcast Entity in described first control information, described first control information is the Write-Replace information of extended field on the former protocols having basis of agreement 3GP TS 23.041, and its concrete form is described in detail in components of system as directed.
Step S320, described first control information of parsing when described first control information is system information, generate second control information, send described second control information.
Base station controller is resolved described first control information, when if described first control information is not system information, then according to the mode broadcast message of former protocols having, if system information, then generate second control information, close and send described second control information to base transceiver station.The concrete form of the detailed process of described parsing and described second control information is also described in detail in front, is not described in detail in this.
The 3rd control information of step S330, generation On/Off cell broadcast service is sent to terminal with described the 3rd control information.
After base transceiver station receives second control information of base station controller transmission, generate the 3rd control information of On/Off cell broadcast service, by the BCCH channel described the 3rd control information is sent to terminal, control terminal backstage On/Off cell broadcast service.The concrete form of described the 3rd control information is described in detail in front, does not repeat them here.
The 3rd control information of step S340, reception On/Off cell broadcast service.
The receiving element of terminal receives three control information of the network of control cell broadcaste service by the On/Off cell broadcast service of BCCH channel transmission, enters step S350.
Described the 3rd control information that step S350, parsing receive generates the 4th control information.
The resolution unit of terminal is resolved described the 3rd control information that receives, the 4th control information that generation can control terminal backstage On/Off cell broadcast service.
Step S360, according to described the 4th control information control backstage On/Off cell broadcast service.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
After the terminal backstage is opened cell broadcast service and is added Cell Broadcast Channel, just can carry out Cell Broadcast CB according to existing Cell Broadcast CB flow process, do not repeat them here.
According to embodiment of the invention technical scheme, send control information to terminal by network side, can do not need the user participate under the cell broadcast service on automatic opening terminal backstage, enlarged the range of application of cell broadcast service, improved user experience.
With reference to Fig. 6, show the flow chart of embodiment of the invention control cell broadcaste service method network side, comprise step:
First control information that step S410, reception CBC send.
Base station controller receives first control information that CBC sends, to be CBC produce according to the demand that sends Cell Broadcast CB or according to the control information of Cell Broadcast Entity in described first control information, described first control information is the Write-Replace information of extended field on the former protocols having basis of agreement 3GP TS 23.041, and its concrete form is described in detail in components of system as directed.
Step S420, described first control information of parsing when described first control information is system information, generate second control information, send described second control information.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
Base station controller is resolved described first control information, when if described first control information is not system information, then according to the mode broadcast message of former protocols having, if system information, then generate second control information, close and send described second control information to base transceiver station.The concrete form of the detailed process of described parsing and described second control information is also described in detail in front, is not described in detail in this.
Step S430, base transceiver station generate the 3rd control information of On/Off cell broadcast service, and described the 3rd control information is sent.
After base transceiver station receives second control information of base station controller transmission, generate the 3rd control information of On/Off cell broadcast service, by the BCCH channel described the 3rd control information is sent to terminal, control terminal backstage On/Off cell broadcast service.The concrete form of described the 3rd control information is described in detail in front, does not repeat them here.
With reference to Fig. 7, show the flow chart of embodiment of the invention control cell broadcaste service method end side, comprise step:
The 3rd control information of step S510, reception On/Off cell broadcast service.
The receiving element of terminal receives three control information of the network of control cell broadcaste service by the On/Off cell broadcast service of BCCH channel transmission, enters step S520.
Described the 3rd control information that step S520, parsing receive generates the 4th control information.、
The resolution unit of terminal is resolved described the 3rd control information that receives, and generation can control terminal backstage On/Off cell broadcast service.
Wherein, described the 3rd control information also comprises the field of interpolation/deletion Cell Broadcast Channel, is used for adding Cell Broadcast Channel when cell broadcast service is opened on the terminal backstage deletion Cell Broadcast Channel during deletion cell broadcast service.
Step S530, according to described the 4th control information control backstage On/Off cell broadcast service.
The inventive method embodiment partly is corresponding with system, device embodiment part, so the part reference system do not described in detail of method embodiment part, the description of device embodiment relevant portion get final product.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise step as above-mentioned method embodiment, described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.