CN101047733B - Short message processing method and device - Google Patents
Short message processing method and device Download PDFInfo
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- CN101047733B CN101047733B CN2006100914427A CN200610091442A CN101047733B CN 101047733 B CN101047733 B CN 101047733B CN 2006100914427 A CN2006100914427 A CN 2006100914427A CN 200610091442 A CN200610091442 A CN 200610091442A CN 101047733 B CN101047733 B CN 101047733B
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Abstract
This invention discloses a process method and a device for short messages,before transmitting, the method includes: analyzing kind of the characters in a short message, selecting a coding mode lower than the highest level capable of coding all kinds of characters in a longest length for the short message sent at one time, applying said selected coding mode to code the characters in the length to constitute a short message, which can reduce segment numbers of long short messages and increase space usability.
Description
Technical field
The present invention relates to a kind of communication means and device, particularly relate to a kind of SMS processing method and device.
Background technology
Global IT application is that note (SM, the Short Message) communication in the mobile communication provides great development prospect.According to China's Ministry of Information Industry's recent statistics demonstration on May 21st, 2006, the SMS amount reached 1322.5 hundred million to April in 2006 1, increased by 46.5% than the same period last year.
The growth at full speed of short message communication quantity with and huge growth base, on the one hand illustrate that the technical advantage of short message communication is obvious, show also that on the other hand message market is very big.Because short message communication has become the communication mode that the mobile subscriber uses always, the user needs to bear certain expense for this reason.Along with the surge of note use amount, such cost increases is rapid.Wherein, long SMS becomes one of reason that increases the weight of the customer charge burden.Described long SMS is meant the note that its capacity exceeds the maximum information capacity of a note, must adopt at least two notes to send.With respect to long SMS, the note that once can send full content is called non-long SMS.
The prior art note generally adopts 7,8 of PDU (Protocol Data Unit, protocol Data Unit) pattern or UCS2 coded system to encode.Here, in a note, only can adopt a kind of coded system.Wherein, 7 codings are used to send common ascii character, and it is encoded into 8 data with a string 7 character (highest order is 0), and per 8 characters can " compress " 7; 8 codings are generally used for sending data-message, such as picture and the tinkle of bells etc.; And the UCS2 coding is used to send the Unicode character.
According to existing short message protocol, (TP-UD, TP-User-Data) the section heap(ed) capacity is 140 bytes to the user profile of PDU string, so under these three kinds of coded systems, the max number of characters of a non-long SMS that can send is respectively 160,140 and 70.No matter the user sends which type of content, character types short message why, if surpass the max number of characters amount, long short message content will be divided into many and go to send.Here, an English alphabet, a Chinese character and a data byte all are considered as a character.
In these three kinds of codings, the character range maximum that the UCS2 coded system is comprised can be with all character codes; 7 character range that coded system comprised are only less than 140 characters, and 7 character set comprise 7 character set of standard and 7 character set of expansion.Expand 7 characters need add in its front an escape character (ESC) can participate in the coding.Escape character (ESC) is 7 characters of standard, only just can use when 7 characters of expansion are arranged; The scope of 8 coded systems has only 256 characters.
In the PDU pattern, according to existing short message protocol, after a long SMS is cut apart, the sub-note of wall scroll the max number of characters amount that can send be respectively:
1) under 7 coded system: 153 characters;
2) under 8 coded systems: 134 characters;
3) under the UCS2 coded system: 67 characters.
Compare with 70 with max number of characters amount under three kinds of codings of above-mentioned non-long SMS 160,140, long SMS has all been lacked several by the max number of characters amount of the sub-note after cutting apart under every kind of coded system, this is because these several characters will be used to deposit some identification informations of long SMS.
Under 7,8 and UCS2 encoded these three kinds of codings, each character shared space in memory was respectively:
1) character of per seven formations under 7 the coded system;
2) under 8 coded systems per eight constitute a character;
3) every sixteen bit constitutes a character under the UCS2 coded system.
Wherein, somewhat special when expanding 7 character codes, 7 characters of an expansion need add an escape character (ESC) in the escape character (ESC) front under 7 coded systems, and totally 27 characters participate in coding, and shared length needs 14 in memory; Under 8 coded systems, if should expand 7 characters in 8 coding range, only need this character to participate in coding during coding, shared length is 8 in memory; If this character in 8 coding range, then can only not encode with UCS2 by this character, the memory length that need take is 16.Therefore, the coding priority level of prior art note is respectively 7,8 and UCS2 coding from low to high in this article.Highest ranking coding is the UCS2 coding, and except in the above-mentioned character situation in 8 coding range not, 8 coding grades are higher than 7 coding grades.
So under these three kinds of codings, number of characters that long SMS comprised in memory shared length for being respectively:
1) under 7 coded system: 153 * 7=1071 position;
2) under 8 coded systems: 134 * 8=1072 position;
3) under the UCS2 coded system: 67 * 16=1072 position.
Therefore, long SMS is 1072 in the maximum length of memory.And under these three kinds of coded systems, a non-long SMS shared length maximum in memory all is positions, 1120 (160 * 7 or 140 * 8 or 70 * 16).If one the figure place of the information content that note comprises is greater than 1120, can judge that then this note is a long SMS.
According to existing short message protocol, article one, only adopt a kind of coded system in the non-long SMS, when comprising in the non-long SMS above the treatable character of a kind of coding institute, when co-existing in the note such as 7 codings and UCS2 coding, coded system-UCS2 that employing comprises the character range maximum encodes, so that to all short message content codings.At this moment, the wasted storage that caused of the UCS2 of 16 bit lengths coding can not be avoided.Also promptly to being 16 Unicode code characters originally with the character unification of 7/8 coding, the memory capacity that can double under extreme case has increased note dividing strip number.Also increase the weight of the burden of communication network when increasing the weight of the customer charge burden.
For example: have 160 characters in the note, preceding 150 is 7 characters, and back 10 is the Unicode character, if the unified simply UCS2 coded system that adopts, each character distributes 16 memory capacity, and then memory capacity is: 160 * 16=2560.For long SMS, the heap(ed) capacity of each sub-note is: 1072, so must being divided into 3 strip notes (67+67+26), these 160 characters send.
Obviously, under the situation that so multiple character mixes, the unified simply UCS2 coded system that adopts of long SMS may reduce wall scroll note (cutting apart the back) space availability ratio widely.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of SMS processing method that reduces long SMS dividing strip number.
The technical problem to be solved in the present invention is that a kind of short message processing device that reduces long SMS dividing strip number also is provided.
For solving above-mentioned first technical problem, the objective of the invention is to be achieved through the following technical solutions: a kind of SMS processing method is provided, before note sends, comprise step: the type of analyzing character in the note, the type of character comprises in the described analysis note: read character one by one from the note that need send, relatively the current character coded system with can just be to reading the coded system of alphabet coding, when current character coded system grade is higher, the present encoding mode is replaced the coded system of being preserved, the character side-play amount of record current character; According to the current quantity that needs to participate in the character of coding of the coded system statistics of preserving, participate in the quantity of the character of coding according to coded system of preserving and the current needs of adding up, the memory length that the character that calculating needs to participate in encoding need take; If described memory length is less than or equal to the maximum length that note can send, preserve the character side-play amount of described record and the coded system of described preservation separately, return the step that reads character; When if described memory length is long SMS greater than described maximum length and short message type, select the coded system of preserving separately, use the character side-play amount of preserving separately as the long SMS intercept point; Adopt the coded system of described selection that character in this maximum length is encoded, to set up a note.
The step of fixed described maximum length is: judging short message type, be that the then described maximum length of long SMS is 1072, otherwise described maximum length is 1120.
Describedly judge that the step of short message type comprises: judge whether the memory length that takies is less than or equal to 1120, be and run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.
Judge that the memory length take is less than or equal to 1072 and surplusly further comprise when reading character: preserve the character side-play amount that read and the step of coded system separately, described coded system is used for when definite short message type is non-long SMS character being encoded.
At the described memory length that occupies greater than 1072 and judge when short message type is long SMS and further comprise, this the character side-play amount that is read of return recording and the step of coded system, described character side-play amount is as the long SMS intercept point, and described coded system is used for character is encoded.
In analyzing note, comprise that further the initialization short message type is the step of non-long SMS before the type of character; When judging short message type, proceed to read character for long SMS; When reading the maximum length that long SMS once sends once more, intercept the character in this length.
When type be the type that can only encode with UCS2 under judging this character, judge the length of whole note, if whole note length is greater than 70 characters, the short message type of then judging this note is a long SMS, whether judge the character side-play amount greater than 67 characters this moment, be then will be from then on the previous character of character begin forward 67 characters interceptings and coding.
The coded system of described selection is the lowest class coded system that all types character in this length can be encoded.
For solving above-mentioned second technical problem, the objective of the invention is to be achieved through the following technical solutions: a kind of short message processing device is provided, comprise the character types analysis module, coded system judge module and coding module, described character types analysis module comprises character read module and character types and coding judge module, described coded system judge module comprises coded system comparison module and coded system preservation module, described character read module is used for reading character one by one from the note that need send, described character types are used to judge affiliated type of this character and present encoding mode with the coding judge module, described coded system comparison module be used for more described current character coded system with can just be to reading the coded system of alphabet coding, under the higher situation of current character coded system grade, preserve the current character coded system, and continue to read character by the character read module, reaching the described coded system judge module of maximum length until the memory length that reads character is used in the maximum length that note can send, select the coded system of preservation, described coding module is used to adopt the coded system of described selection that character in this length is encoded, to set up a note.
Further comprise the short message type judge module, it comprises the character quantity statistical module, memory length computing module and memory length judge module, described character quantity statistical module is used for participating in according to the current needs of preserving of coded system statistics the character quantity of coding, described memory length computing module is used for the character sum according to the coded system of described preservation and the current participation coding of adding up, calculate these characters and need the memory length that takies altogether, described memory length judge module is used to judge whether the memory length that takies is less than or equal to 1120, be and run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.
Described short message type judge module comprises that further character side-play amount and coded system preserve module separately, it is used for being less than or equal to 1072 and surplus preserve character side-play amount and the coded system that is read separately when not reading character at the memory length that judgement takies, and described coded system is used for when definite short message type is non-long SMS character being encoded.
Further comprise the long SMS interception module, greater than 1072 and when judging that short message type is long SMS, described long SMS interception module is used for according to the character side-play amount that this read and the coded system of record, set described long SMS intercept point respectively encodes to character at the described memory length that occupies.
When type is the UCS2 coding under the character types analysis module is judged this character, write down the length of whole note by character side-play amount logging modle, whole note length greater than 70 character situations under, described short message type judge module judges that the short message type that obtains this note is a long SMS, and the character side-play amount of character side-play amount logging modle record greater than 67 character situations under, by the long SMS interception module will be from then on the previous character of character begin forward 67 characters interceptings, and encode by coding module.
More than first technical scheme as can be seen because the present invention before the long SMS that the polytype character mixes need send, adopts more excellent coded system to encode to every note of cutting apart, avoid unified with a kind of coded system to the whole piece short message encoding.Just dynamically analyze more excellent coded system, dynamic statistics that the character types under each character decide a note that can independently send institute to choose and under more excellent coded system, participate in the character quantity maximum of encoding, get the maximum a kind of coded system of character quantity that can realize independent transmission note and form a note that can independently send, make an independent note that sends to send the information content of maximum quantity.Described long SMS is reused said method, then multiple coded system and partitioning scheme may will be adopted to whole short message content, avoid simply the whole piece note is used single coded system and caused long SMS to cut apart the situation that the note space availability ratio is low, customer charge increases that the back sends often, sends, thus reduce long SMS the dividing strip number, improve space availability ratio, alleviate the customer charge burden and reduce system burden.
More than second technical scheme as can be seen, because the present invention is before the long SMS that the polytype character mixes need send, adopting coded system judge module and short message type judge module to judge can avoid unifying with a kind of coded system the whole piece short message encoding to the whole more excellent coded systems of encoding of the sub-note character that wall scroll is cut apart.Just adopt the character types analysis module dynamically to analyze the affiliated character types of each character, and matching coding mode judge module decide a note that can independently send more excellent coded system, the dynamic statistics that should choose under more excellent coded system, participate in the character quantity maximum of coding, get the maximum a kind of coded system of character quantity that can realize independent transmission note and form a note that can independently send, make an independent note that sends to send the information content of maximum quantity.Avoid simply the whole piece note is used single coded system and caused long SMS to cut apart the situation that the note space availability ratio is low, customer charge increases that the back sends often, sends, thus reduce long SMS the dividing strip number, improve space availability ratio, reduce the customer charge burden and reduce system burden.
Description of drawings
Fig. 1 is the flow chart of SMS processing method first execution mode of the present invention;
Fig. 2 is a flow chart of judging character types and coded system;
Fig. 3 is the flow chart that statistics participates in the character quantity of coding;
Fig. 4 is the flow chart of SMS processing method second execution mode of the present invention;
Fig. 5 is the theory diagram of short message processing device of the present invention.
Embodiment
Basic principle of the present invention is: before the long SMS that the polytype character mixes need send, for avoiding simply the whole piece note being used the situation that single coded system causes the note space availability ratio of transmission low, customer charge increases.The present invention proposes a kind of observing on the basis of existing protocol, long short message content is carried out note to be cut apart, dynamically analyze more excellent coded system, dynamic statistics that the character types under each character decide a note that can independently send institute to choose and under more excellent coded system, participate in the character quantity maximum of encoding, get the maximum a kind of coded system of character quantity that can realize independent transmission note and form a note that can independently send, make an independent note that sends to send the information content of maximum quantity.Described long SMS is reused said method, then may will adopt multiple coded system and partitioning scheme, thereby the dividing strip number, raising space availability ratio, the minimizing information charge that reduce long SMS are used whole short message content.
Based on above principle, the invention provides a plurality of execution modes to realize goal of the invention, the execution mode of lifting fast processing short message content under unknown short message type, known long SMS and the long SMS respectively is to prove absolutely the present invention.Below in conjunction with execution mode and accompanying drawing, describe the present invention.
Consulting Fig. 1, below is the flow process that the note that editor finishes is cut apart, so that send after finishing cutting apart.First embodiment of the invention is that this has been edited the note finished and whether carries out the processing that note is cut apart for the long SMS type cases in the unknown:
The coded system that A, initialization need send note is the lowest class, 7 coded systems just, and the initialization short message type is non-long SMS, expanding 7 characters is 0.
No matter initialized effect is short message content why, preestablishing its coded system is that the lowest class and short message type are non-long SMS, if being whole short message contents, segmentation result belongs to the lowest class coding, promptly do not need to adopt more senior coded system, thereby the saving memory space reduces the dividing strip number.If the last result who judges is a long SMS, may carry out repeated segmentation so, the coded system that the process step A of at every turn cutting apart needs initialization need send note is the lowest class, but short message type identifies only initialization once, if i.e. repeated segmentation, the requirements of process initialization of cutting apart for the first time, other are cut apart flow process and are not needed initialization.
Following steps B, C and D are the handling processes of analyzing character types in the note.
B, reading a character from the short message content that need send, judge whether the EOC sign, is then to change to finish sign, directly forwards step M to, otherwise continues following steps.
Begin to analyze from first character, if first character just has been the note ending, explanation is the sky note, in follow-up cycle analysis, is the note ending if this character shows, then there is no need to analyze end loop again.
C, write down the character side-play amount that this reads.
Described character side-play amount is meant with respect to the position of reading character this first time of cutting apart the note process, and such as reading for the first time character, this character side-play amount is 1, the to read character n time so, and this character side-play amount is n so.What read is 16 at interval, because before this, all belong to 7, the character of expansion 7,8 or UCS2 type of coding and have all converted the Unicode character to.In follow-up cutting apart in the note flow process, described character side-play amount is as the foundation of note cut-point.After per minute cut once, the character side-play amount all can zero clearing.
D, judge type and coded system under this character.
Promptly judge the type of coding that this character is affiliated, analyze it and belong to any of 7 of standards, 7,8 of expansions or UCS2 code character, and then determine 7,8 or UCS2 coded system.
The purpose that following steps E～K handles is: in the maximum length that note can send and do not contain and can only adopt under the character types situation that highest ranking encodes a kind of grade coded system low than the highest ranking coded system that selection can be encoded the interior all types character of this length; If the UCS2 code character is arranged, then the independent note that contains this UCS2 code character is encoded according to the UCS2 coded system.
E, with the higher level coded system of preserving before this relatively, if the coded system grade of this character is higher, then the present encoding mode is replaced the coded system of being preserved.
The purpose of this step is: because each note that sends separately can only adopt a kind of coded system, and be to adopt to encode to the coded system that alphabet is encoded, therefore here when analyzing the note character, the coded system of the character that belongs to higher level that analyzes is noted, so just can obtain the coded system of highest ranking under the character of note the inside, thereby be beneficial to short message content and take the memory space length computation.
This step detailed process sees also Fig. 2, specifically:
E1, judge whether the higher level coded system of described preservation equals UCS2,, otherwise enter step e 3 if then enter step e 2;
E2, directly return the UCS2 coded system;
Because UCS2 is encoded to the highest level coding, can encode to any character, and must adopt the UCS2 coded system to encode, so there is no need to analyze again character types and the coded system that reads, directly return the UCS2 type of coding, analyze and finish.
E3, judge that whether the higher level coded system is 8 coded systems, is then to enter step e 4, otherwise enters step e 6;
Whether 8 coding priority are the coded systems that are higher than 7 codings, be that 8 codings are judged to the higher level coded system of preserving herein, are to carry out the follow-up prerequisite that compares with coded system this character.
E4, judge this character the international character code value whether smaller or equal to 255, be then to enter step e 5, otherwise enter step e 2;
The higher level coded system of preserving whether be the international character code value of 8 coded systems and this character whether smaller or equal to 255 situations under, the coded system grade that this character is described can not be higher than 8 coded system grades, therefore enter step e 5, return 8 coded systems, do not need to replace the higher level coded system of having preserved; If greater than 255, illustrate that then this character can not encode with 8 coded systems, can only encode with the UCS2 coded system, therefore enter step e 2.
E5, return 8 coded systems, analyze and finish;
E6, judge that whether this character is 7 code characters of standard, is then to enter step e 7, otherwise enters step e 8;
Do not belong under UCS2 and 8 the coding situations at higher level coding, this character may be 8,7 of standards or expand 7 code characters, therefore concentrates at 7 code characters of standard and searches this character, if found this character, enters step e 7.
E7, return 7 coded systems, analyze and finish;
The higher level coding that the explanation of this step is preserved is consistent with this character code mode, therefore returns 7 coded systems, does not need to replace the higher level coding of preservation.
E8, judge that whether this character is 7 code characters of expansion, is then to enter step e 9, otherwise enters step e 10;
At this character may be under 7 coding situations of expansion, concentrates at 7 code characters of expansion and searches this character, if found this character, enters step e 9.
E9, write down 7 type of codings of this expansion, analyze and finish;
This step purpose does not also lie in replaces the higher level coding of preserving, and purpose is when follow-up statistics participates in the character of coding, increases 1 foundation as whether participating in code character quantity.
E10, judge this character affiliated international code character code value whether smaller or equal to 255, if the international character code value of this character enters step e 2 greater than 255, otherwise enter step e 11;
Because in this step, this character may be to belong to the UCS2 coding, therefore judges that its international code character code value whether greater than 255, is then to enter step e 2, returns the UCS2 coded system, otherwise enters step e 11.
E11, judge whether code value is arranged greater than 255 character in all characters of analyzing before this is cut apart, be then to enter step e 2, otherwise enter step e 5.
Do not belong under the UCS2 coding at definite this character code, whether analyze has code value greater than 255 character in all characters of analyzing before this is cut apart, if have, then should replace with the UCS2 coding with preserving the higher level coded system, otherwise return 8 coded systems, finally finish and the higher level coded system of preserving before this flow process relatively.
F, according to the current character quantity that needs to participate in coding of higher level coded system statistics.
The purpose of this step is: in the circulation of each analysis character, count the character quantity according to the participation of having read the coding of current higher level coded system correspondence, so that as the follow-up parameter that judges whether long SMS.The character quantity of described participation coding may be different with the above-mentioned character side-play amount that this is read, such as concerning 7 code characters of an expansion, the character side-play amount was to increase 1 when it read, just increase 2 and participate in the character quantity of coding this moment, because the calculating of character side-play amount is 16 steppings, and the character quantity that participates in encoding is to calculate by coding.Expand 7 code characters and be that to increase the memory length of forming behind 7 code characters be 14 character,, then participate in the unnecessary character side-play amount that has write down of number of characters of coding if the higher level coded system of last record is 7 codings.
This step idiographic flow sees also Fig. 3, comprising:
F1, judge that whether 7 codings are the higher level coded system of preserving, if not then entering step F 2, otherwise enter step F 3;
Judge whether 7 codings are the higher level coded system of preserving, purpose is to learn whether the higher level coded system of preservation is 8 codings or UCS2 coding, if then consistent with side-play amount, therefore do not need the calculating of the character amount of follow-up participation coding because participate in the character of coding; Otherwise need to calculate the character amount that participates in coding.
F2, return the character sum of analyzing before this is cut apart;
Do not want the calculating of the character amount of follow-up participation coding, return this and cut apart the preceding character sum of analyzing.
F3, get the current character type;
Obtain the current character type from above-mentioned steps E, with parameter as subsequent calculations.
F4, judge whether to expand 7 code characters, be then to enter step F 5, otherwise enter step F 6;
7 code character sums of the expansion of F5, this analysis add 1;
Because 7 code characters of expansion are that to increase the memory length of forming behind 7 code characters be 14 character, therefore need to participate in the code character amount and need increase 1, because memory length is that its character amount of 7 code characters of expansion of 14 be can be regarded as 1 when 8 or UCS2 coding, must can be regarded as 2 in that 7 coded systems are next.
F6, the character sum that returns this analysis and 7 code characters sums of expansion sums.
With the character amount of 7 codings of non-expansion of statistics, add 7 code character sums of expansion through aforementioned calculation, can obtain the current character quantity that needs to participate in coding.
G, use optimum coded system, with the character sum of the current participation coding of adding up, calculating these number of characters needs the memory length that takies altogether.
This step be utilize above-mentioned higher level coded system and write down this read the character side-play amount, calculate that these have write down the memory length that character quantity occupies under described higher level coded system.Such as 70 characters of this cycle analysis to the, find that this character is the UCS2 code character, then 70 characters all must adopt the UCS2 coded system to encode, and the memory length that above-mentioned character takies can calculate like this:
Memory length=this participates in code character quantity * present encoding mode corresponding characters length=70 * 16=1120 position.
H, whether judge the memory length take, be less than or equal to and then enter step I, otherwise enter step J greater than 1072;
This step is to cut apart for note in advance to write down possible cut-point.Because one its memory length that takies of the sub-note of long SMS is 1072 to the maximum, therefore if long SMS then need be cut apart sign in one of the set positions that needs are cut apart.As for the judgement of carrying out " being less than or equal to ", be that the memory length that takies in the time of might analyzing herein just is 1072, also may be than 1072 a little bit smaller positions.If there is a character to cross over " 1072 " this position, at this moment can not send the character of this character and front as a note together certainly, can only be set in cut-point on the previous character.Why be possible cut-point, be because if be non-long SMS, its memory length is 1120 to the maximum so, if analyzed editing short message alphabet its account for memory length also not above 1120, then there is no need to cut apart note because this editing short message can be used as a non-long SMS and send.
I, preserve this character side-play amount and coded system, return step B.
The purpose of preserving this character side-play amount and coded system is: this time cut apart note and prepare for finishing, these characters and coded system are used to set up the note of final transmission.Though preceding step C and E had carried out preserving the action of character side-play amount and coded system, if but this editing short message be long SMS, and read the shared memory length of character surpass 1072, not surpass 1120 before, the character side-play amount that step C and E preserve can be modified, and coded system also may be modified, when follow-up so definite need are cut apart note, can cause and set up character side-play amount and the coded system error in data that this sub-note needs, cause and cut apart failure, therefore need preserve separately the character side-play amount and the coded system of cut-point.
J, judge that whether short message type sign is long SMS, is that long SMS then enters step M, otherwise enters step K.
This step is to start when judging when the memory length take is greater than 1072, carry out whether the short message type sign is the judgement of long SMS this moment, purpose is this note sent and is labeled as long SMS and sends, and the sub-note after making network or the other side know to cut apart belongs to a long SMS.If note is cut apart, its type identification can change long SMS into by the non-long SMS before cutting apart for the first time.Sub-note after long SMS is cut apart can only send 1072 memory capacity, and therefore the shared memory length of the character unit that reads can carry out cutting operation greater than 1072.If not long SMS, then when being less than or equal to 1120, continues memory length to analyze character, and be non-long SMS until final decision.
Whether the memory length that K, judgement take is less than or equal to 1120, is then to preserve character side-play amount and the coded system that is read separately, returns step B, otherwise enters step L;
This step purpose is less than or equal to 1120 at memory length, judge when continue analyzing character this editing short message whether have a non-long SMS may.If the memory length that take this moment then has been confirmed to be long SMS greater than 1120.If be less than or equal to 1120, and run through alphabet and then judged the non-long SMS of editing short message, and preserved character side-play amount and the coded system that is read separately, note has been encoded being used for.
Above step F～K can judge short message type, with the maximum length of determining that described independent note can send.
Following steps L and M adopt the coded system of described selection that character in this length is encoded, to set up a note that can independently send.
L, think that editing short message need be cut apart, non-long SMS type identification is changed to long SMS.
Write down character side-play amount and the coded system that this read this moment, and described character side-play amount is as the long SMS intercept point, and described coded system is used for character is encoded.
M, preserve can constitute character string, coded system and the string length information such as (side-play amounts) of a note.
This step is that note is once cut apart and finished, and therefore sets up a note that is no more than full-length.If also have character not analyze, continue following steps.
N, judging whether to finish sign, is then to enter step O; Otherwise return steps A.
Whether analyze whether arrived the end of editing short message this moment, promptly analyze and finish beam identification, is then should finish note to cut apart flow process, otherwise returns the cutting operation that steps A continues next strip note.Next bar note is cut apart the character side-play amount back character pointed that the character step is a C step record since the last time cutting procedure that reads of flow process, intercepts the character in this length when reading the maximum length that long SMS once sends once more once more.
O, note are cut apart end.
Here can give one example SMS processing method of the present invention is described, for example: have 160 characters in the note, preceding 153 is 7 characters, 7 of backs are the Unicode character, if the unified simply UCS2 coded system that adopts, each character distributes 16 memory capacity, and then memory capacity is: 160 * 16=2560.For long SMS, the heap(ed) capacity of each sub-note is: 1072, so must being divided into 3 strip notes (67+67+26), these 160 characters send.
According to the present invention, then not that the unified UCS2 of employing coded system is encoded to the note full content, but learn that at first the short message type of this note is a long SMS; Then note is cut apart, cut-point is at the 1071st bank bit of whole piece note, i.e. the 153rd character for the first time.These 153 characters are encoded with 7 coded systems, and send as the first strip note of described long SMS.7 characters of also surplus back are encoded with the UCS2 coded system, send as the second strip note of described long SMS, so just can save the traffic volume of a note.
From as can be seen above, before the long SMS that the polytype character mixes need send, the present invention adopts the mode that long short message content is cut apart, and adopts more excellent coded system to encode to every note of cutting apart, avoids unifying with a kind of coded system the whole piece short message encoding.Just dynamically analyze more excellent coded system, dynamic statistics that the character types under each character decide a note that can independently send institute to choose and under more excellent coded system, participate in the character quantity maximum of encoding, get the maximum a kind of coded system of character quantity that can realize independent transmission note and form a note that can independently send, make an independent note that sends to send the information content of maximum quantity.Described long SMS is reused said method, then multiple coded system and partitioning scheme may will be adopted to whole short message content, avoid simply the whole piece note being used single coded system and being caused long SMS to cut apart the situation that the note space availability ratio is low, customer charge increases that the back sends often, sends, thereby reduce the dividing strip number of long SMS and improve space availability ratio.
As previously mentioned, state's SMS amount reaches 1322.5 hundred million in 2006 1 to 4 month, if 1% long SMS is wherein arranged, so just there are 13.225 hundred million, suppose that every long SMS sends all to save traffic volume one time, so just reduce 13.225 hundred million times, 0.1 yuan of meter of every note can reduce information charge with 1.3225 hundred million yuan, has alleviated the customer charge burden greatly, because network system reduces by 13.225 hundred million information transfer operations, reduce system burden largely simultaneously.
Consult Fig. 4, SMS processing method of the present invention also provides second execution mode, this execution mode is that to have edited the note of finishing at known this be to carry out the processing that note is cut apart under the long SMS type cases, and present embodiment is similar to first embodiment of the invention, comprises step substantially:
The coded system that A, initialization need send note is the lowest class, 7 coded systems just, and the initialization short message type is non-long SMS, expanding 7 characters is 0.
No matter initialized effect is short message content why, preestablishing its coded system is that the lowest class and short message type are non-long SMS, if being whole short message contents, segmentation result belongs to the lowest class coding, promptly do not need to adopt more senior coded system, thereby the saving storage space reduces the dividing strip number.If the last result who judges is a long SMS, may carry out repeated segmentation so, the coded system that the process step A of at every turn cutting apart needs initialization need send note is the lowest class, but short message type identifies only initialization once, if i.e. repeated segmentation, the requirements of process initialization of cutting apart for the first time, other are cut apart flow process and are not needed initialization.
B, reading a character from the short message content that need send, judge whether the EOC sign, is then to change to finish sign, directly forwards step M to, otherwise continues following steps.
Begin to analyze from first character, if first character just has been the note ending, explanation is the sky note, in follow-up cycle analysis, is the note ending if this character shows, then there is no need to analyze end loop again.
C, write down the character side-play amount that this reads.
Described character side-play amount is meant with respect to the position of reading for the first time character, and such as reading for the first time character, this character side-play amount is 1, the to read character n time so, and this character side-play amount is n so.What read is 16 at interval, because before this, all belong to 7, the character of expansion 7,8 or UCS2 type of coding and have all converted the Unicode character to.In follow-up cutting apart in the note flow process, described character side-play amount is as the foundation of note cut-point.
D, judge type and coded system under this character.
Promptly judge the type of coding that this character is affiliated, analyze it and belong to any of 7 of standards, 7,8 of expansions or UCS2 code character, and then determine 7,8 or UCS2 coded system.
E, with the higher level coded system of preserving before this relatively, if the coded system grade of this character is higher, then the present encoding mode is replaced the coded system of being preserved.
The purpose of this step is: because each note that sends separately can only adopt a kind of coded system, and be to adopt to encode to the coded system that all characters are encoded, therefore here when analyzing the note character, the coded system of the character that belongs to higher level that analyzes is noted, so just can obtain the coded system of higher level under the character of note the inside, thereby be beneficial to follow-up note and take the memory space length computation.
F, according to the current character quantity that needs to participate in coding of higher level coded system statistics.
The purpose of this step is: in the circulation of each analysis character, count the character quantity according to the participation of having read the coding of current higher level coded system correspondence, so that as the follow-up parameter that judges whether long SMS.
G, use optimum coded system, with the character sum of the current participation coding of adding up, calculating these number of characters needs the memory length that takies altogether.
This step be utilize above-mentioned higher level coded system and write down this read the character side-play amount, calculate that these have write down the memory length that character quantity occupies under described higher level coded system.Such as 70 characters of this cycle analysis to the, find that this character is the UCS2 code character, then 70 characters all must adopt the UCS2 coded system to encode, and the memory length that above-mentioned character takies can calculate like this:
Memory length=this reads character side-play amount * present encoding mode corresponding characters length=70 * 16=1120 position.
H, whether judge the memory length take, be less than or equal to and then enter step I, otherwise enter step M greater than 1072;
This step is to cut apart for note in advance to write down cut-point.Because one its memory length that takies of the sub-note of long SMS is 1072 to the maximum, therefore need cut apart sign in one of the set positions that needs are cut apart.As for the judgement of carrying out " being less than or equal to ", be that the memory length that takies in the time of might analyzing herein just is 1072, also may promptly there be a character to cross over " 1072 " this position than 1072 a little bit smaller positions.At this moment can not send the character of this character and front as a note together certainly, can only be set in cut-point on the previous character.
I, preserve this character side-play amount and coded system, return step B.
The purpose of preserving this character side-play amount and coded system is: this time cut apart note and prepare for finishing, these character side-play amounts and coded system are used to set up the note of final transmission.Though preceding step C and E had carried out preserving the action of character side-play amount and coded system, if but this editing short message be long SMS, and read the shared memory length of character above 1072, the character side-play amount that step C and E preserve can be modified, and coded system also may be modified, when follow-up so definite need are cut apart note, can cause and set up character side-play amount and the coded system error in data that this sub-note needs, cause and cut apart failure, therefore need preserve separately the character side-play amount and the coded system of cut-point.
Omit the J in first execution mode herein, K, the L step is not because need to carry out the whether judgement of long SMS.
M, preserve can constitute character string, coded system and the string length information such as (side-play amounts) of a note.
This step is that note is once cut apart and finished, and therefore sets up a note that is no more than full-length.If also have character not analyze, continue following steps.
N, judging whether to finish sign, is then to enter step O; Otherwise return steps A.
Whether analyze whether arrived the end of editing short message this moment, promptly analyze and finish beam identification, is then should finish note to cut apart flow process, otherwise returns the cutting operation that steps A continues next strip note.Next bar note is cut apart the character side-play amount back character pointed that the character step is a C step record since the last time cutting procedure that reads of flow process.
O, note are cut apart end.
From as can be seen above,, therefore reduce step than first embodiment of the invention owing to do not need to whether long SMS is judged.But can realize reducing the purpose of dividing strip number, raising space availability ratio, reduction customer charge and the reduction system burden of long SMS equally.
Third embodiment of the invention is to judge in the middle of the whole short message content that the character that can only use the UCS2 coding is arranged, can embed following method in the first embodiment of the invention or second execution mode, and accelerate the speed of analysis, analytical procedure is as follows:
F ', in the step D of the invention described above first execution mode or second execution mode, in case judge the character that can only use UCS2 coding, directly judge the length of whole note, be similar to above-mentioned steps F, but statistics is whole note length.
K ' is if whole note length smaller or equal to 70, is preserved all characters, and coded system is UCS2, preserves analytical information to set up a note.
L ' carries out the step L of first execution mode if whole note length, can affirm then that whole short message content need be divided into many strips note greater than 70, and the short message type sign is changed to the long SMS state.
C ', according to above-mentioned steps C, judge that whether the character side-play amount is greater than 67.
I ' is if number of characters smaller or equal to 67, so directly begins to intercept 67 characters from original position backward, and coded system is UCS2, preserves analytical information to set up a note.
J ' preserves all character interceptings of this character front if greater than 67, and the higher level coded system that coded system adopts this character to analyze is previously preserved analytical information to set up a note.And from then on character begins to intercept 67 characters backward, during 67 characters of less than, intercepts all remaining characters, and coded system is UCS2, preserves analytical information to set up a note.If remain character in addition, take to continue to cut apart with upper type.
Above-mentioned quickening method is when judging character types, in case find to use the character of UCS2 coding, then need not to carry out again the step of follow-up judgement character types, directly carrying out note with this coding handles, realize the invention effect the same, accelerate handling process simultaneously with above-mentioned first, second execution mode.
Higher level coded system in the above-mentioned flow process can not be unique, that is to say, if after having added up the alphabet in maximum length, find that 7 or 8 codings can be with described alphabet codings, should select 7 codings that the note character is encoded according to above-mentioned flow process sends then, here can select 8 codings that the note character is encoded and send then, can reduce the dividing strip number of long SMS equally.
Consult Fig. 5, the present invention also provides a kind of short message processing device, and described device comprises character types analysis module 100, coded system judge module 200, coding module 400, short message type judge module 300 and long SMS interception module 500.
Described character types analysis module 100 is used for analyzing the type of character in the note before note sends, it comprises character read module 101 and character types and coding judge module 102.Described character read module 101 is used for reading a character from the note that need send, and described character types are used to judge affiliated type of this character and present encoding mode with coding judge module 102.
Described coded system judge module 200 is used in the maximum length that note can send and does not contain adopting under the character types situation that highest ranking encodes a kind of grade coded system low than the highest ranking coded system that selection can be encoded all types character in this length.Described coded system judge module 200 comprises coded system comparison module 202 and coded system preservation module 201.Described coded system comparison module 202 is used for more described present encoding mode and the coded system of preserving before this, coded system grade at this character is higher than under the coded system situation of described preservation, in coded system is preserved module 201, the present encoding mode is replaced the coded system of being preserved, and continue to read character by character read module 101, reach described maximum length until the memory length that reads character.
Described coding module 400 is used to adopt the coded system of described selection that character in this length is encoded, to set up a note.
Described short message type judge module 300 comprises that character quantity statistical module 301, memory length computing module 302, memory length judge module 303 and character side-play amount and coded system preserve module 304 separately.Described character quantity statistical module 301 is used for participating in according to the current needs of preserving of coded system statistics the character quantity of coding.Described memory length computing module 302 is used for the character sum of encoding according to the coded system of described preservation and the current participation of adding up, and calculating these characters needs the memory length that takies altogether.Described memory length judge module 303 is used to judge whether the memory length that takies is less than or equal to 1120, is and has run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.Described character side-play amount and coded system are preserved module 304201 separately and are used for being less than or equal to 1120 and surplus preserve character side-play amount and the coded system that is read separately when not reading character at the memory length that judgement takies, and described coded system is used for when definite short message type is non-long SMS character being encoded.
Described long SMS interception module 500 at the described memory length that occupies greater than 1120 and when judging that short message type is long SMS, be used for according to record character side-play amount that this read and coded system, set described long SMS intercept point respectively character encoded.
The basic operation workflow of short message processing device of the present invention is: character types analysis module 100 at first starts, and before transmission the note of having edited is read character manipulation.Whenever reading a character all follows the analysis action of back until loop ends.
Specifically: described character read module 101 reads a character and writes down the character side-play amount from the note that need send.Described coding judge module is judged affiliated type of this character and present encoding mode, by coded system comparison module 202 more described present encoding modes and the coded system of preserving before this, coded system grade at this character is higher than under the coded system situation of described preservation, in coded system is preserved module 201 the present encoding mode is replaced the coded system of being preserved.Described character quantity statistical module 301 is according to the current character quantity of preserving that needs to participate in coding of coded system statistics, by the character sum that memory length computing module 302 is encoded according to the coded system of described preservation and the current participation of adding up, calculating these characters needs the memory length that takies altogether.Judge by memory length judge module 303 whether the memory length that takies is less than or equal to 1120 then, be and run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.
Then, character side-play amount and coded system are preserved memory length that module 304 takies in judgement separately and are less than or equal to 1120 and surplusly preserve character side-play amount and the coded system that is read separately when not reading character, are used for when definite short message type is non-long SMS character being encoded.If memory length greater than 1120 by long SMS interception module 500 according to the character side-play amount that this read and the coded system of record, set described long SMS intercept point respectively character encoded.Until analyzing the note that complete strips has been edited.
Wherein, when type is the UCS2 coding under character types analysis module 100 is judged this character, write down the length of whole note by character side-play amount logging modle, whole note length greater than 70 situations under, described short message type judge module 300 judges that the short message type that obtains this note is a long SMS, and the character side-play amount of character side-play amount logging modle record greater than 67 situations under, intercept by 67 characters of long SMS interception module 500, and encode by coding module 400 with this character front.
From as can be seen above, before the long SMS that the polytype character mixes need send, the present invention adopts coded system judge module and short message type judge module to judge and can the whole more excellent coded systems of encoding of the sub-note character that wall scroll is cut apart be avoided unifying with a kind of coded system the whole piece short message encoding.Just adopt the character types analysis module dynamically to analyze the affiliated character types of each character, and matching coding mode judge module decide a note that can independently send more excellent coded system, the dynamic statistics that should choose under more excellent coded system, participate in the character quantity maximum of coding, get the maximum a kind of coded system of character quantity that can realize independent transmission note and form a note that can independently send, make an independent note that sends to send the information content of maximum quantity.Avoid simply the whole piece note is used single coded system and caused long SMS to cut apart the situation that the note space availability ratio is low, customer charge increases that the back sends often, sends, thus reduce long SMS the dividing strip number, improve space availability ratio, reduce the customer charge burden and reduce system burden.
More than a kind of SMS processing method provided by the present invention and device are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a SMS processing method is characterized in that, comprises step:
Analyze the type of character in the note, the type of character comprises in the described analysis note: read character one by one from the note that need send, relatively the current character coded system with can just be to reading the coded system of alphabet coding, when current character coded system grade is higher, the present encoding mode is replaced the coded system of being preserved, the character side-play amount of record current character;
According to the current quantity that needs to participate in the character of coding of the coded system statistics of preserving, participate in the quantity of the character of coding according to coded system of preserving and the current needs of adding up, the memory length that the character that calculating needs to participate in encoding need take;
If described memory length is less than or equal to the maximum length that note can send, preserve the character side-play amount of described record and the coded system of described preservation separately, return the step that reads character;
When if described memory length is long SMS greater than described maximum length and short message type, select the coded system of preserving separately, use the character side-play amount of preserving separately as the long SMS intercept point;
Adopt the coded system of described selection that character in this maximum length is encoded, to set up a note.
2. SMS processing method according to claim 1 is characterized in that, determines that the step of described maximum length is: judging short message type, be that the then described maximum length of long SMS is 1072, otherwise described maximum length is 1120.
3. SMS processing method according to claim 2 is characterized in that, the step of described judgement short message type comprises:
Judge whether the memory length take is less than or equal to 1120, be and run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.
4. SMS processing method according to claim 3, it is characterized in that, judge that the memory length take is less than or equal to 1072 and surplusly further comprise when reading character: preserve the character side-play amount that read and the step of coded system separately, described coded system is used for when definite short message type is non-long SMS character being encoded.
5. SMS processing method according to claim 3, it is characterized in that, at the described memory length that occupies greater than 1072 and judge when short message type is long SMS and further comprise, this the character side-play amount that is read of return recording and the step of coded system, described character side-play amount is as the long SMS intercept point, and described coded system is used for character is encoded.
6. SMS processing method according to claim 3 is characterized in that, comprises that further the initialization short message type is the step of non-long SMS before the type of character in analyzing note; When judging short message type, proceed to read character for long SMS; When reading the maximum length that long SMS once sends once more, intercept the character in this length.
7. SMS processing method according to claim 3, it is characterized in that, when type be the type that can only encode with UCS2 under judging this character, judge the length of whole note, if whole note length is greater than 70 characters, the short message type of then judging this note is a long SMS, and whether judge the character side-play amount greater than 67 characters this moment, be then will be from then on the previous character of character begin forward 67 characters interceptings and coding.
8. SMS processing method according to claim 1 is characterized in that, the coded system of described selection is the lowest class coded system that all types character in this length can be encoded.
9. a short message processing device is characterized in that, comprises character types analysis module, coded system judge module and coding module;
Described character types analysis module comprises character read module and character types and coding judge module, described coded system judge module comprises coded system comparison module and coded system preservation module, described character read module is used for reading character one by one from the note that need send, described character types are used to judge affiliated type of this character and present encoding mode with the coding judge module, described coded system comparison module be used for more described current character coded system with can just be to reading the coded system of alphabet coding, under the higher situation of current character coded system grade, preserve the current character coded system, and continue to read character by the character read module, reach maximum length until the memory length that reads character;
Described coded system judge module is used for selecting the coded system of preserving in the maximum length that note can send;
Described coding module is used to adopt the coded system of described selection that character in this length is encoded, to set up a note.
10. short message processing device according to claim 9, it is characterized in that, further comprise the short message type judge module, it comprises the character quantity statistical module, memory length computing module and memory length judge module, described character quantity statistical module is used for participating in according to the current needs of preserving of coded system statistics the character quantity of coding, described memory length computing module is used for the character sum according to the coded system of described preservation and the current participation coding of adding up, calculate these characters and need the memory length that takies altogether, described memory length judge module is used to judge whether the memory length that takies is less than or equal to 1120, be and run through alphabet and judge that then short message type is non-long SMS, otherwise judge that short message type is a long SMS.
11. short message processing device according to claim 10, it is characterized in that, described short message type judge module comprises that further character side-play amount and coded system preserve module separately, it is used for being less than or equal to 1072 and surplus preserve character side-play amount and the coded system that is read separately when not reading character at the memory length that judgement takies, and described coded system is used for when definite short message type is non-long SMS character being encoded.
12. short message processing device according to claim 10, it is characterized in that, further comprise the long SMS interception module, greater than 1072 and when judging that short message type is long SMS, described long SMS interception module is used for according to the character side-play amount that this read and the coded system of record, set described long SMS intercept point respectively encodes to character at the described memory length that occupies.
13. short message processing device according to claim 10, it is characterized in that, when type is the UCS2 coding under the character types analysis module is judged this character, write down the length of whole note by character side-play amount logging modle, whole note length greater than 70 character situations under, described short message type judge module judges that the short message type that obtains this note is a long SMS, and the character side-play amount of character side-play amount logging modle record greater than 67 character situations under, by the long SMS interception module will be from then on the previous character of character begin forward 67 characters interceptings, and encode by coding module.
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| CN101470708B (en) * | 2007-12-26 | 2011-08-31 | 康佳集团股份有限公司 | Code compression method and apparatus |
| CN101309483B (en) * | 2008-05-29 | 2011-07-06 | 华为终端有限公司 | Short message encoding and decoding method and terminal |
| CN101345952B (en) * | 2008-09-03 | 2012-04-04 | 华为终端有限公司 | Data storing and reading method, device and system for client identification card |
| ES2904650T3 (en) | 2010-04-13 | 2022-04-05 | Ge Video Compression Llc | Video encoding using multitree image subdivisions |
| CN106067984B (en) | 2010-04-13 | 2020-03-03 | Ge视频压缩有限责任公司 | Cross-plane prediction |
| CN106454371B (en) | 2010-04-13 | 2020-03-20 | Ge视频压缩有限责任公司 | Decoder, array reconstruction method, encoder, encoding method, and storage medium |
| TWI678916B (en) | 2010-04-13 | 2019-12-01 | 美商Ｇｅ影像壓縮有限公司 | Sample region merging |
| CN101938719A (en) * | 2010-09-03 | 2011-01-05 | 中兴通讯股份有限公司 | Method for coding and decoding short messages (SMS), device and terminal |
| CN103327465A (en) * | 2012-03-22 | 2013-09-25 | 吴平 | Method and device for converting voice message into short text |
| CN102665184B (en) * | 2012-04-24 | 2014-12-10 | 中兴通讯股份有限公司 | Coding method and device for increasing short message utilization rate |
| CN105472107A (en) * | 2014-08-26 | 2016-04-06 | 中兴通讯股份有限公司 | Terminal information processing method and device |
| CN105848116A (en) * | 2015-01-15 | 2016-08-10 | 中兴通讯股份有限公司 | Short message transmission method, device and equipment |
| CN105634674A (en) * | 2016-01-12 | 2016-06-01 | 青岛海信移动通信技术股份有限公司 | Short message processing method and device |
| CN111507068B (en) * | 2016-10-27 | 2023-08-25 | 青岛海信移动通信技术有限公司 | Input information processing method and device and mobile terminal |
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| CN1444378A (en) * | 2002-03-11 | 2003-09-24 | 联想(北京)有限公司 | Ultra-long short message sending method |
| CN1484419A (en) * | 2002-08-14 | 2004-03-24 | �ձ�������ʽ���� | Selection of transmission alphabet sets for short message service |
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| CN1484419A (en) * | 2002-08-14 | 2004-03-24 | �ձ�������ʽ���� | Selection of transmission alphabet sets for short message service |
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