CN102056089A - Cell broadcast communication method and device - Google Patents
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Abstract
The embodiment of the invention discloses a cell broadcast communication method and device, and belongs to the technical field of communication. In order to realize that only a specific user in a cell can receive a cell broadcast short message of the specific service content, the invention provides the following technical scheme: receiving the cell broadcast short message sent from a base station; acquiring a sub-channel identification from the cell broadcast short message; and displaying the cell broadcast short message when a user having the authority of reading the cell broadcast short message is confirmed according to the short message ordering information in an intelligent card and the sub-channel identification.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of communication means and device of Cell Broadcast CB.
Background technology
CB (Cell Broadcast, Cell Broadcast CB) short message service is a kind of information broadcast service based on mobile communications network, it is different from general point-to-point note, be that BTS (BaseTransceiver Station, base transceiver station) is to channel and the number of times transmission broadcast of all cellphone subscribers in the designated cell (comprising the nonlocal user who roams into this zone) according to appointment.The coverage of CB can be adjusted flexibly, and the Minimum Area of its network addressable is a wireless area, and maximum can arrive whole land mobile communication network (PLMN).And the broadcast of CB can be service advices, weather forecast, traffic market, international and domestic news, accident, quotations on the stock market, corporate advertising etc.
Usually, the channel of CB adopts the digitlization channel division, and maximum can be divided 65535 physical channels.Channel identication is included in the standard short message head of the Cell Broadcast CB note that mobile phone receives, and this note head must meet international telecommunication standard GSM23.041, and length is 2 bytes.The channel scope that is generally used for Cell Broadcast CB download (from the mobile phone-downloaded to the smart card) is 0x1000-0x107F, 128 altogether.In a single day this channel is provided with in SIM card normative document 7F10|6F48, SIM card just can receive the Cell Broadcast CB that sends at this channel.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: because CB is that BTS is for all cellphone subscriber's broadcasts in the designated cell, therefore, the Cell Broadcast CB note may be watched by cellphone subscribers all in this sub-district, makes the Cell Broadcast CB short message service have blindness and uncontrollability.
Summary of the invention
In view of this, embodiments of the invention provide a kind of communication means and device of Cell Broadcast CB, adopt following technical scheme:
A kind of communication means of Cell Broadcast CB comprises:
Receive the Cell Broadcast CB note that the base station sends;
From described Cell Broadcast CB note, obtain the subchannel sign;
When determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note, show described Cell Broadcast CB note.
A kind of communicator of Cell Broadcast CB comprises:
The note receiving element is used to receive the Cell Broadcast CB note that the base station sends;
The sign acquiring unit is used for obtaining the subchannel sign from the Cell Broadcast CB note that described note receiving element receives;
The authority judging unit is used for judging according to the subchannel sign that the note customized information of setting and described sign acquiring unit obtain whether the user has the reading authority of described Cell Broadcast CB note;
The note display unit is used for showing described Cell Broadcast CB note when described authority judgment unit judges user has the reading authority of described Cell Broadcast CB note.
The communication means of the Cell Broadcast CB that the embodiment of the invention provides and device, by from the Cell Broadcast CB note that the base station sent that receives, obtaining the subchannel sign, and when determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note, show described Cell Broadcast CB note.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, non-user-specific in the sub-district can not be watched this Cell Broadcast CB note, thereby, utilize minimum resource (having only a CB channel) to realize the classificationization of service, variation, improved channel utilization and service flexibility, made the pointed and controllability of Cell Broadcast CB note.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the communication means of a kind of Cell Broadcast CB that Fig. 1 provides for the embodiment of the invention;
The format chart that the subchannel that Fig. 2 provides for the embodiment of the invention identifies;
Female channel byte and the bit of sub-channel byte and the corresponding relation figure of channel that Fig. 3 provides for the embodiment of the invention;
The formation schematic diagram of the communicator of a kind of Cell Broadcast CB that Fig. 4 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Only can be watched that for the Cell Broadcast CB note that can realize the special services content embodiment of the invention provides a kind of communication means of Cell Broadcast CB by the specific user in the sub-district, as shown in Figure 1, comprising:
101, terminal receives the Cell Broadcast CB note that the base station sends;
In the present embodiment, a physical channel (CB channel) can be divided into the experimental process channel according to service needed, and subchannel can also further be divided several channels.The smart card side of terminal and the subchannel arrangements of base station side need realize management by synchronization, promptly keep the note customized information of this user terminal of note customized information in the smart card of user terminal and base station stored synchronous, wherein, described note customized information can further include the channel information of user's registration for the subchannel information of user's registration, described note customized information.At least can realize above-mentioned management by synchronization by following dual mode:
Mode one, base station can issue point-to-point note to user terminal, comprise user's service customization information in this note, after user's terminal receives this note, according to the note customized information in the service customization information setting smart card in this note;
Mode two, the user note customized information in the smart card is set finish after, user's terminal initiatively sends the note that comprises this note customized information to the base station.
In step 101, after the smart card side of the terminal in sub-district, place, base station and base station side realize management by synchronization, the base station is when finding to need the Cell Broadcast CB note of transmission, and all terminals in the sub-district, place send Cell Broadcast CB notes, and terminal receives this Cell Broadcast CB note.
102, terminal is obtained the subchannel sign from described Cell Broadcast CB note;
In the present embodiment, described subchannel sign is positioned at the data division of note, to be different from the CB head of GSM standard definition.Described subchannel sign is made up of several bytes, preferably, can be made up of a byte.
In the embodiment of the invention, the note of different short message contents or service class can be adopted different subchannel signs to send, and the note that comprises specific subchannel sign only can be watched by the specific user.For example: in the Cell Broadcast CB note, include two subchannels, be respectively: subchannel A is user's topic customization channel, for example news topic, physical culture topic etc., after selecting by smart card menu by the user, on the announcement server customization of sending short messages; Subchannel B is the service customization channel, by service provider or operator, and decision user's service class, VIP (Very Important Person, honored guest) rank for example, common grade etc.Suppose,, a Cell Broadcast CB note, carry subchannel A sign, promptly news topic has also been carried other subchannel of VIP level B sign, if one has the VIP authority in the sub-district, the user who has registered news topic simultaneously can receive this Cell Broadcast CB, and this note will be displayed on the mobile phone screen and read for the user so, similarly, if this user only has common authority, this note will can not shown by smart card so.
Further, described subchannel sign can comprise subchannel label field and channel identication field, and wherein, subchannel label field data are used to determine the classification of this subchannel sign, and the channel identication field data is used for the channel identication of representing that note is carried.At this moment, can determine subchannel according to the subchannel label field data in the described subchannel sign, obtain channel identication information according to the channel identication field data in the described subchannel sign, and the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify determines that the user has the reading authority of described Cell Broadcast CB note when satisfying rated condition.For example, the pass between the channel identication information of the channel identication information of the note customized information sub-channels correspondence of smart card and described subchannel sign is a coupling or when identical, determines that then the user has the reading authority of described Cell Broadcast CB note.
Further, described subchannel sign can also comprise subchannel label field, channel identication field and algorithm identification field, these algorithm identification field data are used for the filtercondition that the regulation subchannel identifies the channel identication that carries, for example, the filtercondition of this channel identication can be " comprising " or " removing ", perhaps other rules.If the algorithm identification field data of subchannel sign indication filtercondition be " comprising ", then only when the user has registered the channel identication that carries during subchannel identifies, this note could be read.If the algorithm identification field data indication filtercondition of subchannel sign is " removing ", only when the user did not register the channel identication that carries in the subchannel sign, note just can be read.At this moment, can determine subchannel according to the subchannel label field data in the described subchannel sign, obtain channel identication information according to the channel identication field data in the described subchannel sign, determine filtercondition according to described algorithm identification field data, when the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify satisfies described filtercondition, determine that the user has the reading authority of described Cell Broadcast CB note.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, filtercondition also can be set flexibly, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Particularly, described subchannel sign for example can be as shown in Figure 2, and it comprises the subchannel label field, algorithm identification field, length field and channel identication field.Wherein, the length field data are used for representing the length of note length field data afterwards.
In the subchannel sign, subchannel label field data and corresponding algorithm identification field data can be made up of one or more bytes.If the number of subchannel is not more than 4, the filtercondition of channel identication (being the algorithm identification field) also is not more than 4, and then subchannel label field data and algorithm identification field data can be represented with the high nibble and the low nibble of a byte respectively.
In the present embodiment, the channel identication field data can be provided with by following three kinds of modes at least, the channel identication information that the expression note is carried:
Mode one, straightforward procedure
Can use the channel identication of a channel of byte representation of specified quantity.And, in the time of need in note, carrying one or more channel identication, in the channel identication field, add the pairing byte data of these one or more channel identications successively.For example, can be with the channel identication of a channel of a byte representation, but the scope of this byte value is 0x01-0xFF.With the pairing byte data of channel identication of each channel of needing in the note to carry, be arranged in by byte mode in the channel identication field after the length field of subchannel sign.In addition, when representing the channel identication of a channel with a byte, a sub-Channel Identifier can have 255 channels at most.
At this moment, can from the channel identication field data of described subchannel sign, obtain the byte (for example, 1 byte) of specified quantity, determine corresponding channel identication according to the byte of described specified quantity.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, the data representation channel identication information of channel identication field can be set simply, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Mode two, compression method
The data of channel identication field can be divided into female channel information and subchannel information, represent channel identication information with female channel information and subchannel information, wherein female channel can comprise 4 bytes at most, each bit of female channel is corresponding with a byte of sub-channel, and each bit of female channel can be represented 8 channels.Each bit of sub-channel is all represented a channel, and sub-channel at most only needs 32 bytes can represent 255 whole channels, and the byte of sub-channel is arranged according to channel order from small to large.The female channel byte and the bit of sub-channel byte and the corresponding relation of channel can be determined the channel of the byte representative of sub-channel correspondence as shown in Figure 3 according to the bit that is changed to setting in female channel byte.For example, if first bit of first byte of female channel is 1, represent that then first byte of sub-channel will represent the 1-8 channel.
Each is changed to a byte in the corresponding described subchannel information of bit of setting in described female channel information, the corresponding channel of each bit in the described subchannel information, and the bit in this subchannel information is when being changed to setting, and the expression note has been carried the channel identication of the channel of this bit correspondence.For example, when the channel identication information of subchannel sign is represented with compression method, suppose that this setting is 1, and the channel identication field data of subchannel sign is 0x240x80 0x00 0x51 0xFF 0x67 0x33 0x30 0x47 0x01, wherein, preceding 4 bytes are female channel byte, and 6 follow-up bytes are sub-channel byte.The channel that can determine follow-up sub-channel byte representation according to the bit of female channel byte mid-1 is included in 17-24 respectively, 41-48,121-128,193-200,225-232, these 6 channel sections of 241-248.Can determine that according to the bit of sub-channel byte mid-1 channel identication information has comprised the channel identication of 17,18,19,20,21,22,23,24,41,42,43,46,47,121,122,125,126,197,198,225,226,227,231,248 these 24 channels.In this example, only use 9 bytes just to represent 24 channels, saved the note data space that the channel identication field data takies greatly.
At this moment, can from the channel identication field data of described subchannel sign, obtain female channel information and subchannel information, and determine channel identication information according to described female channel information and subchannel information.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, the more channel identication information of data representation of channel identication field can be set with less space, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Mode three, fixing means
The channel identication field data can be set for 32 fixing bytes, represent all 255 channels with these 32 fixing bytes.Specifically, 32 bytes are made up of 256 bits, the corresponding channel identication of each bit, and when a certain bit in these 32 bytes was changed to setting, expression subchannel sign carried the pairing channel identication of this bit.For example, when a certain bit put 1, expression subchannel sign carried the pairing channel identication of this bit, and this bit was put 0 o'clock, and expression subchannel sign is not carried the pairing channel identication of this bit.The advantage of this method is that algorithm realizes simple.
At this moment, can determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, being provided with of the data of the channel identication field of expression channel identication information realizes simply, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
103, terminal shows described Cell Broadcast CB note when determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note.
Further, carry subchannel label field and channel identication field in the subchannel sign, but when not carrying the algorithm identification field, terminal can be determined subchannel according to the subchannel label field data in the described subchannel sign, and obtain channel identication information according to the channel identication field data in the described subchannel sign, then, according to the channel identication information of this subchannel correspondence in the note customized information of smart card and the channel identication information of the sign of the subchannel in the Cell Broadcast CB note, judge whether relation between the two satisfies rated condition.If judge and satisfy this rated condition, determine that then the user has the reading authority of this Cell Broadcast CB note.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.Further, carry the subchannel label field in the subchannel sign, when algorithm identification field and channel identication field, terminal can be determined subchannel according to the subchannel label field data in the described subchannel sign, obtain channel identication information according to the channel identication field data in the described subchannel sign, and determine filtercondition according to described algorithm identification field data, then, according to the channel identication information of this subchannel correspondence in the note customized information of smart card and the channel identication information of the sign of the subchannel in the Cell Broadcast CB note, judge whether relation between the two satisfies this filtercondition.If judge and satisfy this filtercondition, determine that then the user has the reading authority of this Cell Broadcast CB note.
For example, when determining that according to the algorithm identification field data in the subchannel of the Cell Broadcast CB note sign filtercondition is " comprising ", whether the channel identication information of judging the note customized information sub-channels correspondence of smart card comprises the channel identication information of this subchannel in identifying.Comprise the channel identication information of this subchannel sign if judge the channel identication information of this note customized information sub-channels correspondence, determine that then the user has the reading authority of this Cell Broadcast CB note.
Perhaps, when determining that according to the algorithm identification field data in the subchannel of the Cell Broadcast CB note sign filtercondition is " removing ", judge whether the channel identication information of note customized information sub-channels correspondence of smart card and this subchannel channel identication information in identifying has common factor.If when the channel identication information in the channel identication information of this note customized information sub-channels correspondence of judgement and this subchannel sign is not occured simultaneously, determine that the user has the reading authority of this Cell Broadcast CB note.
Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, filtercondition also can be set flexibly, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
In addition, because the channel identication information in the subchannel sign is represented by distinct methods, therefore, whether the channel identication information in the channel identication information of judging this note customized information sub-channels correspondence and this subchannel sign satisfies before the indicated filtercondition of algorithm sign in this subchannel sign, need the channel identication field data in the antithetical phrase channel logo to resolve, obtain the channel identication information in this subchannel sign.
Further, when representing channel identication information in the subchannel sign, can from the channel identication field data of described subchannel sign, obtain the byte of specified quantity successively, and determine corresponding channel identication according to the byte of described specified quantity with straightforward procedure.For example, terminal is obtained the byte information of channel identication field data successively from described subchannel sign, determine the channel identication of a correspondence according to each byte of described channel identication field data, thereby obtain channel identication information.
Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, the data representation channel identication information of channel identication field can be set simply, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Further, when representing channel identication information in the subchannel sign with compression method, terminal is obtained female channel information and subchannel information from the channel identication field data of described subchannel sign, and determines channel identication according to this mother's channel information and subchannel information.Be specifically as follows, determine to be changed in each byte of the byte location of female channel and female channel the bit position of setting according to described female channel information, determine to be changed in each byte of sub-channel the bit position of setting according to described subchannel information, and according to the byte location X of female channel, be changed to the bit position Y of setting in the byte of female channel byte location X, bit position Z and formula I=64*X+8*Y+Z with being changed to setting in the corresponding sub-channel byte of bit of bit position Y determine channel identication I; Wherein, 0≤X≤3,0≤Y≤7,1≤Z≤8.
For example, suppose that setting is 1, can determine the bit position of each byte mid-1 of the byte location of female channel and female channel, and determine the bit position of each byte mid-1 of sub-channel according to described subchannel information according to described female channel information.The byte location of supposing female channel is X, the bit position that female channel byte location is the byte mid-1 of X is Y, with the bit position is that the bit position of the corresponding sub-channel byte mid-1 of bit of Y is Z, calculate channel identication I according to formula I=64*X+8*Y+Z, wherein, 0≤X≤3,0≤Y≤7,1≤Z≤8.For example, the 3rd bit position of the 2nd female channel byte is 1, and the 7th bit and the 8th bit of corresponding sub-channel byte put 1, first channel identication I1=64*1+8*2+7=87 then, second channel identication I2=64*1+8*2+8=88.
Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, the more channel identication information of data representation of channel identication field can be set with less space, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Further, when representing channel identication information in the subchannel sign with fixing means, can determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.For example, terminal is obtained the bit information of channel identication field data from described subchannel sign, determine the bit of the channel identication field data mid-1 of described subchannel sign, and determine the channel identication of a correspondence, thereby obtain channel identication information according to each bit position of bit in described channel identication field data of putting 1.
At this moment, can determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, being provided with of the data of the channel identication field of expression channel identication information realizes simply, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, and the non-user-specific in the sub-district can not be watched this Cell Broadcast CB note.
Further, each bar Cell Broadcast CB note not only can comprise single subchannel sign, also can comprise a plurality of subchannel signs.For example, the CB channel distribution is become two subchannel A and B, subchannel A is user's topic customization channel, be to select the informing base station customization of sending short messages on the back by smart card menu by the user, total N channel is available, for example physical culture, economy, news, beauty treatment, fashion or the like, these channels adopt different channel identication bytes to represent respectively.Subchannel B is the service customization channel, by service provider or the decision user's of operator service class, for example V I P rank, platinum-level, common grade etc.Suppose that a Cell Broadcast CB note carries the subchannel sign of subchannel A and subchannel B, having carried the indication filtercondition in the subchannel sign of its sub-channels A is the algorithm identification field data of " comprising ", and the channel identication information of physical culture and news channel, having carried the indication filtercondition in the subchannel sign of subchannel B is the algorithm identification field data of " comprising ", and the channel identication information of platinum-level, if one has the platinum-level authority in the sub-district, registered physical culture simultaneously, economical, when the user's of news channel mobile phone receives this Cell Broadcast CB note, this user's mobile phone judges that this user has the authority of reading this note, shows that on mobile phone screen this note is for user's reading.And if this user only has common authority, this note will can not be presented in the mobile phone so.
Further, can also be with the note customized information in the Cell Broadcast CB note configurable smart card.Be specifically as follows, obtain the subchannel sign in the described service customization information, determine the channel setting operation information according to the algorithm identification field data in the described subchannel sign, then, according to described channel setting operation information, with the channel identication information in the described subchannel sign, the channel identication information in the note customized information of smart card is set.For example, obtain the subchannel sign in the Cell Broadcast CB note of reception, and determine that according to the algorithm identification field data in this subchannel sign the channel setting operation information is for resetting or deletion or add.When resetting, is channel identication information in described subchannel sign with the channel identication information setting of the subchannel correspondence of the note customized information sub-channels sign expression of smart card at definite channel setting operation information.Perhaps, be when deletion, the channel identication information from the pairing channel identication information of subchannel of the subchannel sign expression of the note customized information of smart card in the described subchannel sign of deletion at definite channel setting operation information.Perhaps, when definite channel setting operation information was interpolation, the subchannel that the channel identication information in the described subchannel sign is added to the note customized information of smart card identified in the pairing channel identication information of subchannel of expression.And this Cell Broadcast CB note does not show in terminal as service content in the entire process process.Thereby, make the implementation of in service customization information, carrying the channel setting operation information become more flexible.
The communication means of the Cell Broadcast CB that the embodiment of the invention provides, by from the Cell Broadcast CB note that the base station sent that receives, obtaining the subchannel sign, and when determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note, show described Cell Broadcast CB note.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, non-user-specific in the sub-district can not be watched this Cell Broadcast CB note, thereby, utilize minimum resource (having only a CB channel) to realize the classificationization of service, variation, improved channel utilization and service flexibility, made the pointed and controllability of Cell Broadcast CB note.
With said method accordingly, the embodiment of the invention also provides a kind of communicator of Cell Broadcast CB, as shown in Figure 4, comprising:
Note receiving element 401 is used to receive the Cell Broadcast CB note that the base station sends;
Sign acquiring unit 402 is used for obtaining the subchannel sign from the Cell Broadcast CB note that described note receiving element 401 receives;
Note display unit 404 is used for showing described Cell Broadcast CB note when described authority judgment unit judges user has the reading authority of described Cell Broadcast CB note.
Further, described subchannel sign comprises subchannel label field and channel identication field.
Described authority judging unit 403 specifically comprises:
Channel is determined subelement, is used for determining subchannel according to the subchannel label field data of described subchannel sign;
Channel obtains subelement, is used for obtaining channel identication information according to the channel identication field data of described subchannel sign;
Authority is determined subelement, when the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify of being used for satisfies rated condition, determine that the user has the reading authority of described Cell Broadcast CB note.
Perhaps, described subchannel sign further comprises subchannel label field, algorithm identification field and channel identication field.
Described authority judging unit 403 specifically comprises:
Channel is determined subelement, is used for determining subchannel according to the subchannel label field data of described subchannel sign;
Channel obtains subelement, is used for obtaining channel identication information according to the channel identication field data of described subchannel sign;
Condition is obtained subelement, is used for determining filtercondition according to described algorithm identification field data;
Authority is determined subelement, when the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify of being used for satisfies described filtercondition, determine that the user has the reading authority of described Cell Broadcast CB note.
Further, described channel obtains subelement, specifically is used for obtaining from the channel identication field data of described subchannel sign the byte of specified quantity, determines corresponding channel identication according to the byte of described specified quantity; Perhaps, from the channel identication field data of described subchannel sign, obtain female channel information and subchannel information, and determine channel identication information according to described female channel information and subchannel information; Perhaps, determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.
Further, described channel obtains subelement and specifically comprises:
The information acquisition module is used for obtaining female channel information and subchannel information from the channel identication field data of described subchannel sign;
Female channel determination module is used for determining that according to described female channel information each byte of the byte location of female channel and female channel is changed to the bit position of setting;
Sub-channel determination module is used for determining that according to described subchannel information each byte of sub-channel is changed to the bit position of setting;
The channel determination module, be used for byte location X according to female channel, be changed to the bit position Y of setting in the byte of female channel byte location X, bit position Z and formula I=64*X+8*Y+Z with being changed to setting in the corresponding sub-channel byte of bit of bit position Y determine channel identication I; Wherein, 0≤X≤3,0≤Y≤7,1≤Z≤8.
Further, the communicator of described Cell Broadcast CB also comprises:
The information setting unit is used for setting the note customized information of smart card;
Information transmitting unit is used for sending described note customized information to the base station.
Further, described note receiving element also is used to receive the service customization information that described base station sends;
The communicator of described Cell Broadcast CB also comprises:
The information setting unit is used for the note customized information according to described service customization information setting smart card.
Further, described information setting unit comprises:
Sign is obtained subelement, is used for obtaining the subchannel sign of described service customization information;
Subelement is determined in operation, is used for determining the channel setting operation information according to the algorithm identification field data of described subchannel sign;
The channel setting subelement is used for according to the channel identication information in described channel setting operation information and the described subchannel sign channel identication information in the note customized information of smart card being set.
The concrete method of work of the communicator of the Cell Broadcast CB of present embodiment can be referring to the communication means of Cell Broadcast CB mentioned above.The communicator of this Cell Broadcast CB can be arranged in terminal.
The communicator of the Cell Broadcast CB that the embodiment of the invention provides, by from the Cell Broadcast CB note that the base station sent that receives, obtaining the subchannel sign, and when determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note, show described Cell Broadcast CB note.Therefore, the note of different short message contents or service class can be adopted different subchannel signs to send, and the note that comprises specific subchannel sign only can be watched by the specific user, and then the note that can realize different service class and content utilizes a CB channel to broadcast, and the Cell Broadcast CB note of special services content only can be watched by the specific user in the sub-district, non-user-specific in the sub-district can not be watched this Cell Broadcast CB note, thereby, utilize minimum resource (having only a CB channel) to realize the classificationization of service, variation, improved channel utilization and service flexibility, made the pointed and controllability of Cell Broadcast CB note.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Ac ce s s Memo ry, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (11)
1. the communication means of a Cell Broadcast CB is characterized in that, comprising:
Receive the Cell Broadcast CB note that the base station sends;
From described Cell Broadcast CB note, obtain the subchannel sign;
When determining that according to the note customized information in the smart card and described subchannel sign the user has the reading authority of described Cell Broadcast CB note, show described Cell Broadcast CB note.
2. the communication means of Cell Broadcast CB according to claim 1 is characterized in that, described subchannel sign comprises subchannel label field and channel identication field;
Describedly determine that according to the note customized information in the smart card and described subchannel sign the reading authority that the user has a described Cell Broadcast CB note comprises:
Determine subchannel according to the subchannel label field data in the described subchannel sign;
Obtain channel identication information according to the channel identication field data in the described subchannel sign;
When the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify satisfies rated condition, determine that the user has the reading authority of described Cell Broadcast CB note.
3. the communication means of Cell Broadcast CB according to claim 1 is characterized in that, described subchannel sign comprises subchannel label field, channel identication field and algorithm identification field;
Describedly determine that according to the note customized information in the smart card and described subchannel sign the reading authority that the user has a described Cell Broadcast CB note comprises:
Determine subchannel according to the subchannel label field data in the described subchannel sign;
Obtain channel identication information according to the channel identication field data in the described subchannel sign;
Determine filtercondition according to described algorithm identification field data;
When the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify satisfies described filtercondition, determine that the user has the reading authority of described Cell Broadcast CB note.
4. according to the communication means of claim 2 or 3 described Cell Broadcast CBs, it is characterized in that, describedly obtain channel identication information according to the channel identication field data in the described subchannel sign and comprise:
From the channel identication field data of described subchannel sign, obtain the byte of specified quantity, determine corresponding channel identication according to the byte of described specified quantity; Perhaps,
From the channel identication field data of described subchannel sign, obtain female channel information and subchannel information, and determine channel identication information according to described female channel information and subchannel information; Perhaps,
Determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.
5. the communication means of Cell Broadcast CB according to claim 1 is characterized in that, also comprises before the step of the Cell Broadcast CB note that described reception base station sends:
Note customized information in the smart card is set, sends described note customized information to the base station; Perhaps,
Smart card receives the service customization information that described base station sends, and according to the note customized information in the described service customization information setting smart card.
6. the communicator of a Cell Broadcast CB is characterized in that, comprising:
The note receiving element is used to receive the Cell Broadcast CB note that the base station sends;
The sign acquiring unit is used for obtaining the subchannel sign from the Cell Broadcast CB note that described note receiving element receives;
The authority judging unit is used for judging according to the subchannel sign that the note customized information of setting and described sign acquiring unit obtain whether the user has the reading authority of described Cell Broadcast CB note;
The note display unit is used for showing described Cell Broadcast CB note when described authority judgment unit judges user has the reading authority of described Cell Broadcast CB note.
7. the communicator of Cell Broadcast CB according to claim 6 is characterized in that, described subchannel sign comprises subchannel label field and channel identication field;
Described authority judging unit comprises:
Channel is determined subelement, is used for determining subchannel according to the subchannel label field data of described subchannel sign;
Channel obtains subelement, is used for obtaining channel identication information according to the channel identication field data of described subchannel sign;
Authority is determined subelement, when the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify of being used for satisfies rated condition, determine that the user has the reading authority of described Cell Broadcast CB note.
8. the communicator of Cell Broadcast CB according to claim 6 is characterized in that, described subchannel sign comprises subchannel label field, channel identication field and algorithm identification field;
Described authority judging unit comprises:
Channel is determined subelement, is used for determining subchannel according to the subchannel label field data of described subchannel sign;
Channel obtains subelement, is used for obtaining channel identication information according to the channel identication field data of described subchannel sign;
Condition is obtained subelement, is used for determining filtercondition according to described algorithm identification field data;
Authority is determined subelement, when the relation between the channel identication information that the channel identication information of the note customized information sub-channels correspondence of determining smart card and described subchannel identify of being used for satisfies described filtercondition, determine that the user has the reading authority of described Cell Broadcast CB note.
9. according to the communicator of claim 7 or 8 described Cell Broadcast CBs, it is characterized in that, described channel obtains subelement, specifically is used for obtaining from the channel identication field data of described subchannel sign the byte of specified quantity, determines corresponding channel identication according to the byte of described specified quantity; Perhaps, from the channel identication field data of described subchannel sign, obtain female channel information and subchannel information, and determine channel identication information according to described female channel information and subchannel information; Perhaps, determine to be changed in the channel identication field data of described subchannel sign the bit of setting, and determine corresponding channel identication according to the described bit position of bit in described channel identication field data that is changed to setting.
10. the communicator of Cell Broadcast CB according to claim 6 is characterized in that, also comprises:
The information setting unit is used for setting the note customized information of smart card;
Information transmitting unit is used for sending described note customized information to the base station.
11. the communicator of Cell Broadcast CB according to claim 6 is characterized in that, described note receiving element also is used to receive the service customization information that described base station sends;
Also comprise:
The information setting unit is used for the note customized information according to described service customization information setting smart card.
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| CN 201010619949 CN102056089B (en) | 2010-12-31 | 2010-12-31 | Cell broadcast communication method and device |
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| CN 201010619949 CN102056089B (en) | 2010-12-31 | 2010-12-31 | Cell broadcast communication method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114339619A (en) * | 2021-12-23 | 2022-04-12 | 中国信息通信研究院 | System and method for realizing long broadcast short message based on 3GPP specification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602090A (en) * | 2003-09-22 | 2005-03-30 | 华为技术有限公司 | Method of realizing inside group short message transmission in cluster communication system |
| CN101854592A (en) * | 2009-04-03 | 2010-10-06 | 中兴通讯股份有限公司 | Method for transmitting short message through broadcast network |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602090A (en) * | 2003-09-22 | 2005-03-30 | 华为技术有限公司 | Method of realizing inside group short message transmission in cluster communication system |
| CN101854592A (en) * | 2009-04-03 | 2010-10-06 | 中兴通讯股份有限公司 | Method for transmitting short message through broadcast network |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114339619A (en) * | 2021-12-23 | 2022-04-12 | 中国信息通信研究院 | System and method for realizing long broadcast short message based on 3GPP specification |
| CN114339619B (en) * | 2021-12-23 | 2023-12-12 | 中国信息通信研究院 | System and method for realizing long broadcast short message based on 3GPP specification |
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