CN101459718B - Rubbish voice filtering method based on mobile communication network and system thereof - Google Patents

Abstract

The invention relates to a method for filtering garbage speech on the basis of a mobile communication network, which comprises the following steps: setting the garbage speech reputation threshold value of a mobile terminal, downloading garbage speech user identification characters which are lower than the garbage speech reputation threshold value in a server, storing into a garbage speech user identification information base of the mobile terminal, obtaining calling user identification characters of call requests, searching the calling user identification characters from the garbage speech user identification information base, refusing the call requests by the mobile terminal if the calling user identification characters are searched, otherwise further judging whether query of the calling user reputation threshold value to the server in real time is needed or not, and refusing the call requests by the mobile terminal if the calling user reputation threshold value is lower than the arranged garbage speech reputation threshold value. The characteristics of a mobile communication system are combined to prevent mobile communication terminal users from disturbance of garbage speech calls through analyzing the characteristics of mobile garbage speech and the defects of the existing garbage speech filtering technique.

Description

A kind of rubbish voice filtering method and system thereof based on mobile radio communication

Technical field

The present invention relates to the communications field, particularly a kind of method and system based on identification of mobile radio communication rubbish voice and filtration.

Background technology

In recent years, along with the fast development of mobile communication, the popularity rate of mobile phone is climbed new peak repeatly, and just progressively the direction towards personal communication advances.People are enjoying to the full the while easily that mobile communication provides, and also constantly meet with a series of puzzlement.A main puzzlement is exactly various forms of rubbish voices.Especially, when mobile communications network linked to each other with the Internet that lacks enough supervision, the mobile phone user will be in the face of more rubbish voice harassing and wrecking.

Rubbish voice is meant that the called subscriber does not hope the audio call that receives, and its content comprises calling trap of illegal advertisement, false prize-winning information and similar " ringing one " phone or the like.Because rubbish voice produces through normal call setup approach, GSM is very difficult to its filtration.Because the real-time of voice communications services itself, it also is real-time causing rubbish voice, and when the callee found that certain calling is rubbish voice, the called subscriber had been harassed.Therefore, rubbish voice has produced the interference effect bigger than spam to the user.

At present, the technology of junk information such as spam, rubbish voice being implemented to filter mainly can be divided into following several kinds:

(1) based on the filtering technique of tabulating

This type technology is mainly set up separately blacklist and white list by the terminal use, and by the terminal according to black, white list filters or let pass.This technology is limited for the effect that stops rubbish voice to be invaded.Reason is the personal experience that this technology only relies on the called subscriber, can't fundamentally suppress the coverage of rubbish voice.

(2) content-based filtering technique

This technology is mainly used in the Spam filtering field at present, and the terminal adopts statistical method that mail is classified according to Mail Contents.Whether this technology is divided into speech and phrase with Mail Contents, and utilizes the probability nature of each keyword of bayes rule study and phrase, thereby be that spam is judged and filtered to mail.But, because rubbish voice is real-time, so analyzing speech content in advance is this technology and be not suitable for the identification and the filtration of rubbish voice.

(3) based on the filtering technique of reporting

This technology is according to the report of user to rubbish voice call, and this report result is shared between all users, realizes the filtration to junk information.The effect that this type technology only can be brought into normal play in ideal conditions if user's report is unfair, then not only can not be filtered rubbish voice, also will hinder normal audio call.

(4) based on the filtering technique of community network

This technology is passed through statistics calling subscriber and called subscriber's social relation network, and calculates each user's community network polymerizing factor, judges with this whether certain calling is rubbish voice call.This technology can will be regarded as the rubbish voice producer towards masses' service user terminal by error.

Can know according to above analysis; The rubbish voice filtering of existing garbage information filtering technology and not exclusively suitable mobile radio communication; Therefore, need the technology that proposition is a kind of reliably, can effectively filter mobile rubbish voice, so that improve the utilance and the service quality of mobile network resource.

Summary of the invention

The present invention is through analyzing characteristic and the technological deficiency of conventional garbage information filtering that moves rubbish voice; The present invention combines the characteristics of GSM; Its purpose is to provide in a kind of mobile radio communication the rubbish voice filtering method based on prestige, avoids the harassing and wrecking of rubbish voice call with the protection mobile communication terminal user.

The present invention also aims to provide a kind of rubbish voice filtering system, see through this system the harassing and wrecking voice are filtered based on prestige.

The present invention also aims to provide a kind of rubbish voice reputation evaluation method, rubbish voice prestige appraisal procedure, rubbish voice prestige to share method, avoid the harassing and wrecking of rubbish voice call with the protection mobile communication terminal user.

The object of the invention and solve its technical problem and adopt following technical scheme to realize.

A kind of rubbish voice filtering method based on mobile radio communication, this method comprise the steps: to set the rubbish voice prestige threshold values of portable terminal; Have the rubbish voice user identifier that is lower than said rubbish voice credit value in the Download Server, and be stored in the rubbish voice user totem information storehouse of portable terminal; Obtain the caller ID of call request; In said rubbish voice user totem information storehouse, search said caller ID, if find then this call request of portable terminal refusal of said caller ID; Otherwise further judging whether need be in real time to the said calling subscriber's credit value of said server lookup, if said calling subscriber's credit value is lower than the said rubbish voice prestige threshold values of setting, then portable terminal is refused this call request.

Wherein said method also comprises according to the call model data of said call request and call model parameter and produces a credit rating at said portable terminal.

Wherein said method also comprises the historical credit rating according to said credit rating and calling subscriber, again this calling subscriber is carried out the assessment of credit value at server end.

Wherein said method comprises that also the mobile subscriber according to the real-time inquiry of setting, inquires about the credit value of said caller ID through server.

Wherein said method also comprises: when to the said calling subscriber's credit value of said server inquiry in real time, start a timer.

Wherein said white list is preserved with said mobile subscriber and was carried out the user identifier called out.

Wherein preserve calling subscriber's credit value, and not identify this calling subscriber be the rubbish voice user at server end.

Wherein said method comprises that also portable terminal registers to the server end requests identity information.

Wherein said portable terminal produces said credit rating, further comprises: add up this mobile subscriber's call model parameter, comprise and on average go into call duration and go out calling frequency; If the credit rating producing method is set at automated manner, then produce credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=\frac{1-R\left(T\right)}{2}\\ R\left(\mathrm{Unknown}\right)=\frac{1-R\left(T\right)}{2}\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, and wherein: R (T) expression mobile subscriber's confidence level, R (UT) expression can not reliabilities, and R (Unknown) expression is uncertain; t _IclFor this calling subscriber calls out this mobile subscriber's average call duration, unit is second; T _IclBe all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day; F _OcBe total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter.

Wherein produce said credit rating at said portable terminal, further comprise: the subjective assessment according to mobile phone users directly provides produces credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=[1-R\left(T\right)]\mathrm{\γ}\\ R\left(\mathrm{Unknown}\right)=[1-R\left(T\right)](1-\mathrm{\γ})\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, and wherein: R (T) expression mobile subscriber's confidence level, R (UT) expression can not reliabilities, and R (Unknown) expression is uncertain; t _IclFor this calling subscriber calls out this mobile subscriber's average call duration, unit is second; T _IclBe all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day; F _OcBe total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter; γ is this mobile subscriber's direct evaluation, and the value of γ is between 0～1.

Wherein said method comprises that further said portable terminal according to the total call model parameter between this mobile phone users and any user, also comprises and on average goes into call duration and go out calling frequency, accomplishes the evaluation to calling subscriber's prestige.

Wherein call model weight parameter α and β can freely be defined by mobile phone users, make R (T) value between 0～1.

Wherein mobile phone users comes the value of self-defined γ according to R (T), R (UT) and R (Unknown) Three Estate.

Wherein the credit rating that provides of portable terminal adopts following form:

{R(T)，R(UT)，R(Unknown)}

In the formula; R (T) represents confidence level; The big more expression of R (T) calling subscriber can not be the rubbish voice user more, and R (UT) representative can not reliability, and the big more expression of R (UT) calling subscriber possibly be the rubbish voice user more; R (Unknown) represents uncertainty, and the big more expression of R (Unknown) mobile subscriber be not sure of calling subscriber's type more.The value of R (T), R (UT) and R (Unknown) is all between 0～1, and three's sum is 1.

Wherein again the assessment that this calling subscriber carries out credit value is further comprised: receive the credit rating that the callee provides, begin the calling subscriber is carried out the prestige assessment at server end; If preserved this called subscriber's prestige set in the credit database of server, then the credit rating that this called subscriber provided according to following formula of server is decayed and is obtained new credit rating:

$\left\{\begin{array}{c}{R}^{\′}\left(T\right)=R\left(T\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{UT}\right)=R\left(\mathrm{UT}\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{Unknown}\right)=1-R^{\′}\left(T\right)-R^{\′}\left(\mathrm{UT}\right)\end{array}\right.$

In the formula R ' (T); R ' (UT); R ' is (Unknown) } the new credit rating set of expression;

representative provides the called subscriber's of credit rating historical prestige set, and it is stored in the credit database of server.

Wherein said method further utilizes the D-S evidence merging formula of evidence theory that the historical prestige of said new credit rating with this calling subscriber is merged.

Wherein said method further comprises reappraises according to following formula said new prestige set to this calling subscriber's credit value;

$\mathrm{Rep}=\frac{R\left(T\right)}{R\left(T\right)+R\left(\mathrm{Unknown}\right)}-\frac{R\left(\mathrm{UT}\right)}{R\left(\mathrm{UT}\right)+R\left(\mathrm{Unknown}\right)}$

Rep is this calling subscriber's a credit value in the formula, and { R (T), R (UT), R (Unknown) } is this calling subscriber's historical prestige set.

Wherein calling subscriber's credit value Rep is between-1～+ 1.

Wherein said method further comprises if the called subscriber does not have historical prestige set, and server is decayed to the credit rating of receiving with default prestige set.

Wherein this calling subscriber's historical prestige set is the result after being merged by all historical credit ratings, when receiving new credit rating, will reappraise and upgrade historical prestige set.

The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.A kind of reputation evaluation method, this method comprise the steps: to add up this mobile subscriber's call model parameter, comprise on average going into call duration and going out calling frequency; If the credit rating producing method is set at automated manner, then produce credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=\frac{1-R\left(T\right)}{2}\\ R\left(\mathrm{Unknown}\right)=\frac{1-R\left(T\right)}{2}\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, R (T) expression mobile subscriber's confidence level, and R (UT) expression can not reliability, and R (Unknown) expression is uncertain; t _IclFor this calling subscriber calls out this mobile subscriber's average call duration, unit is second; T _IclBe all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day; F _OcBe total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter.

Wherein this method also comprises the steps: portable terminal according to evaluation of user and call model parameter, produces credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=[1-R\left(T\right)]\mathrm{\γ}\\ R\left(\mathrm{Unknown}\right)=[1-R\left(T\right)](1-\mathrm{\γ})\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, R (T) expression mobile subscriber's confidence level, and R (UT) expression can not reliability, and R (Unknown) expression is uncertain; t _IclFor this calling subscriber calls out this mobile subscriber's average call duration, unit is second; T _IclBe all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day; F _OcBe total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter, and γ is this mobile subscriber's direct evaluation, and the value of γ is between 0～1.

The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.A kind of prestige appraisal procedure, this method comprises the steps: the credit rating of mobile terminal receive, begins the calling subscriber is carried out the prestige assessment; If preserved this called subscriber's prestige set in the credit database of server, then the credit rating that this mobile phone users provided according to following formula of server is decayed and is obtained new credit rating:

$\left\{\begin{array}{c}{R}^{\′}\left(T\right)=R\left(T\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{UT}\right)=R\left(\mathrm{UT}\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{Unknown}\right)=1-R^{\′}\left(T\right)-R^{\′}\left(\mathrm{UT}\right)\end{array}\right.$

In the formula R ' (T); R ' (UT); R ' is (Unknown) } the new credit rating set of expression, on behalf of credit rating,

user's historical prestige set is provided;

The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.A kind of prestige is shared method, from server download be lower than the prestige threshold values the rubbish voice user identifier to portable terminal, reach prestige and share.

Wherein said portable terminal basis is set different prestige threshold values to the demands of different of rubbish voice filtering, and then downloads to the rubbish voice user identifier of varying number from server.

The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.A kind of rubbish voice filtering system based on mobile radio communication, this system comprises: portable terminal and server, said portable terminal comprises: a man-machine interaction unit is used to set the rubbish voice credit value of portable terminal; One rubbish voice user totem information storehouse is used to preserve the rubbish voice user identifier; One white list is used to preserve the credible user identifier that the mobile subscriber once called out; One mobile status monitoring unit is used for monitoring and goes into to call out and go out calling parameter; One rubbish voice filtering unit filters the caller ID in the call request according to the rubbish voice user identifier in the said rubbish voice user totem information storehouse; One rubbish voice ID download unit is used for downloading up-to-date rubbish voice subscriber identifier information from server end; One calling parameter statistic unit is monitored average duration and the calling frequency that calling parameter is added up the calling of all incoming calls of portable terminal and exhalation according to said mobile status monitoring unit; One rubbish voice credit rating unit, the said parameter of adding up according to said calling parameter statistic unit is used for the calling subscriber who goes into to call out is produced credit rating; One identity unit is used to accomplish the authentication of said mobile phone users at server end; And a protocol communication unit, be used to provide the function of the protocol communication between portable terminal and the server.Said server end comprises: a credit database is used for memory mobile terminal subscriber identity information and reputation; One prestige assessment unit carries out the prestige assessment according to new credit rating and the set of historical prestige that said called mobile terminal sends to the calling subscriber; One reputation query unit is used for said inquiry credit database, accomplishes the reputation query requirement that portable terminal proposes; And a communication unit, be used for the protocol communication between server and the portable terminal.

Wherein said prestige assessment unit further comprises: a credit rating attenuation module is used for the said credit rating that server receives is rationally decayed; One credit rating merges module, and the said credit rating that is used for server is received and the joint account of historical prestige set obtain up-to-date prestige set; One prestige quantization modules is calculated the credit value that is used to discern the rubbish voice user according to said prestige set.

Wherein said reputation query unit further comprises: a real-time enquiry module, be used to respond the real-time reputation query request that portable terminal proposes, and the prestige of the unique user of appointment is only inquired about in this request; One non real-time download module is used to accomplish the rubbish voice user identifier download request that portable terminal proposes.

Wherein said rubbish voice user totem information storehouse further comprises: information stores management module, be used for preserving and leading subscriber rubbish voice user identifier data, and also be used for index to the rubbish voice user identifier; One message reference module is used for providing to rubbish voice filtering unit and rubbish voice credit rating unit the interface of visit information MMU memory management unit, and this interface comprises inquiry, inserts and deletion.

Wherein said protocol communication unit further comprises: a communication protocol module is used for the data that receive are decoded, and the data of sending is encoded; One message communicating module is used for transmitting and receive data between portable terminal and the server.

By technique scheme, the present invention has advantage at least:

1, the present invention utilizes rubbish voice user identifier and the real-time inquiring calling user prestige method that portable terminal is preserved, and has the advantage of real time filtering rubbish voice.

2, server of the present invention can be used as the part of communication system in the mobile radio communication, also can be independent of existing GSM, and the deployment of server has the advantage that does not change existing mobile communications network topological structure and existing GSM.

3, prestige appraisal procedure of the present invention utilizes credit rating that its credit rating that provides of prestige decay of user is provided, and makes the assessment of prestige have justice, just advantage.

4, the comprehensive numerous mobile subscribers' of the present invention direct evaluation has the advantage of fast, accurately discerning rubbish voice, reduces the coverage of rubbish voice greatly.

5, the present invention is provided with different prestige threshold values through the mobile subscriber, has personalized rubbish voice filtering advantage, and the mobile subscriber can be according to different situations.

Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.

Description of drawings

Fig. 1 is the schematic network structure that the present invention moves the rubbish voice filtering system.

Fig. 2 is the structural representation that the present invention moves the rubbish voice filtering system.

Fig. 3 is that the present invention filters the schematic flow sheet that moves the rubbish voice method.

Fig. 4 is the schematic flow sheet of mobile subscriber identifier information registration of the present invention.

Fig. 5 is the schematic flow sheet of rubbish voice credit rating among the present invention.

Fig. 6 is the schematic flow sheet of rubbish voice prestige assessment among the present invention.

Fig. 7 is the schematic flow sheet that the rubbish voice user identifier is downloaded among the present invention.

Embodiment

Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To embodiment, structure, characteristic and the effect thereof of the wireless location method that proposes according to the present invention, specify as after.

Core concept of the present invention is on the basis that does not change mobile communications network topological structure and mobile communication equipment internal structure, to implement the filtration of rubbish voice based on the credit rating of mobile phone users.Below in conjunction with accompanying drawing further explain embodiment of the present invention.

Fig. 1 is the network structure that the present invention moves the rubbish voice filtering system.Server 11 shown in Figure 2 does not belong to the GSM internal unit, but through IP, note access mobile communication net.In the mobile rubbish voice filtering system of a cover, can comprise a plurality of servers 11, and form distributed system.Move the client in the rubbish voice filtering system, promptly portable terminal 12 passes through the wireless mode accessing mobile communication network, and communicates by letter with server 11.

Fig. 2 is the structure chart that the present invention moves the rubbish voice filtering system, is on the basis of Fig. 1, to have specified composition to move the server 11 of rubbish voice filtering system and the internal element structure of portable terminal 12, and the relation between the internal element.

Portable terminal 12 comprises: man-machine interaction unit 121, rubbish voice filtering unit 122, rubbish voice credit rating unit 123, rubbish voice ID download unit 124, rubbish voice user totem information storehouse 125, white list 126, calling parameter statistic unit 127, identity unit 128, mobile terminal state monitoring unit 129 and protocol communication unit 1210.

Man-machine interaction unit 121 is used to show the output information of rubbish voice filtering unit 122 and rubbish voice credit rating unit 123, is used to also show that rubbish voice credit rating unit 123 receives the information of user's input, and sets the rubbish voice credit value.

Rubbish voice filtering unit 122 is used for obtaining the caller ID of call request, and in the rubbish voice ID storehouse 125 of portable terminal the inquiring calling user identifier, if find caller ID, then filter this call request.If in rubbish voice ID storehouse 125, find this caller ID, then rubbish voice filtering unit 122 determines whether to inquire about in real time to server 11 through protocol communication unit 1210 these calling subscribers' prestige through the real-time reputation query terms of white list 126 and man-machine interaction unit 121 settings.

Rubbish voice credit rating unit 123 results according to calling parameter statistic unit 127 are used for the calling subscriber who goes into to call out is produced credit rating; Credit rating is estimated producing method and is comprised automated manner and manual mode, and the concrete automatic and manual calculations mode of estimating is described hereinafter.Rubbish voice credit rating unit 123 offers the evaluation of user standard and is divided into three grades: credible, general, insincere.The credit rating that this rubbish voice credit rating unit 123 produces comprises above-mentioned Three Estate.

Up-to-date rubbish voice subscriber identifier information is inquired about and downloaded to rubbish voice ID download unit 124 through protocol communication unit 1210 from the reputation query unit 113 of server 11.

The rubbish voice user identifier that rubbish voice user totem information storehouse 125 is preserved part rubbish voice user identifier and downloaded from rubbish voice sign download unit 124; The calling subscriber's that user identifier identified who wherein preserves prestige is lower than the prestige threshold values that portable terminal 12 is set, any number between-1～+ 1 that this prestige threshold values is set through man-machine interaction unit 121 by mobile phone users.

Wherein said rubbish voice ID storehouse 125 further comprises information stores management module and message reference module (not shown).This information stores management module is preserved and leading subscriber rubbish voice user identifier data, also can be used for the index to the rubbish voice user identifier.The rubbish voice user identifier data of preserving in this information stores management module comprise user identifier.This message reference module is used for providing to rubbish voice filtering unit 122 and rubbish voice credit rating unit 123 interface of visit information MMU memory management unit, and this interface comprises inquiry, inserts and the deletion processing capacity.

The call model parameter of going into to call out and going out to call out of 127 pairs of these portable terminals of calling parameter statistic unit is added up concrete statistics: go into call duration, go out call duration, go into calling frequency and go out calling frequency.These four calling parameters are respectively to the total call model of portable terminal, and each concrete calling subscriber and called subscriber are carried out the statistics of this call model parameter.The result of calling parameter statistic unit 127 statistics offers the calculating that rubbish voice credit rating unit 123 is accomplished called subscriber's credit rating, and its concrete account form is described hereinafter.

White list 126 is preserved the identifier by the credible user of rubbish voice credit rating unit 123 evaluations that the mobile subscriber once carried out with it calling out.

Identity unit 128 generates the identity information of this mobile phone users, cooperates server to accomplish the checking of user identity uniqueness.Subscriber identity information is calculated and gets through eap-message digest AES (wherein this AES can adopt like existing MD5 algorithm or SHA-1 algorithm etc.) by this mobile user identifier and mobile terminal equipment to identify symbol.

The state of mobile terminal state monitoring unit 129 monitoring portable terminals 12; When portable terminal 12 receives a call request; Mobile terminal state monitoring unit 129 is responsible for obtaining caller ID, and caller ID is passed to 122 processing of rubbish voice filtering unit.When mobile terminal state monitoring unit 129 detects the calling that portable terminal 12 stops an incoming call; This incident is sent to rubbish voice credit rating unit 123 via rubbish voice filtering unit 122 to be handled; This calling subscriber is carried out credit rating, and concrete evaluation method is described hereinafter.Initiate a calling when mobile terminal state monitoring unit 129 detects portable terminal 12, extract the CSI called subscriber identification symbol from portable terminal 12 and transfer to rubbish voice credit rating unit 123 and deposit this CSI called subscriber identification symbol in white list 126.

Protocol communication unit 1210 is used to the protocol communication between portable terminal 12 and the server 11 is provided, and also is used for the real-time inquiry of calling subscriber's prestige and the download of rubbish voice user identifier.

Wherein this protocol communication unit 1210 further comprises communication protocol module and message communicating module (not shown).Said communication protocol module is used for the data that receive are decoded and the data of sending are encoded.Said message communicating module is used for transmitting and receive data between portable terminal and the server.

11 steps of server shown in Figure 2 comprise prestige assessment unit 112, reputation query unit 113, communication unit 114, credit database 115 and user identity management unit 111.

Prestige assessment unit 112 receives the up-to-date credit rating of rubbish voice credit rating unit 123 via the protocol communication unit of portable terminal 12 1210, and should up-to-date credit rating and historical prestige merge.

Wherein this prestige assessment unit 112 comprises that further credit rating attenuation module, credit rating merge module and credit value quantization modules (not shown).This credit rating attenuation module rationally decays to the credit rating that server 11 receives, and its concrete account form is described hereinafter, to avoid the influence of malice evaluation to prestige assessment objectivity.This credit rating merges module and is used for server is received the credit rating of rubbish voice credit rating unit 123 and the joint account of historical prestige set, obtains up-to-date prestige set.This credit value quantization modules is calculated the credit value that is used to discern the rubbish voice user according to the prestige set that up-to-date merging obtains, and credit value is between-1～+ 1.

The reputation query requirement that portable terminal 12 proposes is accomplished in reputation query unit 113.

Wherein this reputation query unit 113 further comprises real-time enquiry module and non real-time download module (not shown).This real-time enquiry module is used to respond the real-time reputation query request that portable terminal 12 proposes, and the prestige of the unique user of appointment is only inquired about in this request.This non real-time download module is used to accomplish the rubbish voice user identifier download request that portable terminal 12 proposes.

Communication unit 114 is used to realize the protocol communication between server 11 and the portable terminal 12, also is used for the data that receive are decoded and the data of sending are encoded.

Credit database 115 storage user reputation, these data comprise user identifier, user's credit value and the set of user's prestige.Said user's prestige set further comprises three parts: credible, unknown and insincere.

User identity management unit 111 receives the register requirement of this portable terminal 12 and user identity is managed.

Fig. 3 is the flow process of filtering the rubbish voice method in the mobile radio communication provided by the invention, and this flow process specifically comprises the steps:

Step 301, the local part rubbish voice user identifier storehouse of preserving of portable terminal 12 initialization, and through man-machine interaction unit 121 setting rubbish voice prestige threshold values;

Step 302, portable terminal 12 is downloaded the rubbish voice user identifier of the prestige threshold values that is lower than step 301 setting from server 11, and deposits local rubbish voice user identifier storehouse in;

Step 303, whether condition monitoring unit 129 monitorings of portable terminal 12 have call request to arrive, if new call arrival is arranged, execution in step 304, otherwise continue the monitoring call request;

Step 304, portable terminal 12 extracts caller ID from the call request that receives, and inquiry in the part rubbish voice user totem information storehouse 125 of preserving to this locality;

Step 305 is if portable terminal 12 inquires this caller ID, execution in step 315, otherwise execution in step 306 in the part rubbish voice user identifier storehouse 125 that preserve this locality;

Step 306; Whether portable terminal 12 initiatively communicated by letter with this calling subscriber according to option and this mobile phone users that whether the mobile subscriber sets real-time inquiry prestige, judged whether to carry out real-time reputation query, if desired; Execution in step 311, otherwise execution in step 307;

Step 307, the calling subscriber of portable terminal 12 these call requests of prompting user is not the rubbish voice user, and the prompting user accepts this call request;

Whether step 308 is monitored this calling and is finished, if, execution in step 309, otherwise continue monitoring;

Step 309, portable terminal 12 generates the credit rating (concrete evaluation method is described hereinafter) to this calling subscriber according to the rubbish voice reputation evaluation method, and sends to server 11;

Step 310, server 11 is received the credit rating of portable terminal 12, again this calling subscriber is carried out the prestige assessment, and preserves new credit value;

Step 311; Portable terminal 12 sends the request of inquiry prestige in real time to server 22, comprises this user's identity information and this caller ID in this request, and starts timer T1; Whether monitoring receives Query Result on time, to guarantee the real-time of rubbish voice filtering service;

Step 312, server 11 is inquired about this calling subscriber's credit value according to subscriber identity information in the query requests and caller ID in credit database 115, and sends to this portable terminal 12;

Step 313, if the timer T1 that portable terminal 12 starts is overtime, execution in step 307, otherwise execution in step 314;

Step 314, portable terminal 12 are extracted this calling subscriber's credit value from the reputation query result who receives, and compare with prestige threshold values that the mobile subscriber sets, if be higher than the prestige threshold values of setting, execution in step 307, otherwise execution in step 315.

Step 315, portable terminal 12 confirms that this calling subscriber is the rubbish voice user, refuses this call request, and finishes this flow process.

Fig. 4 is the flow chart of mobile subscriber identifier information registration of the present invention, and this flow process specifically comprises the steps:

Step 401, portable terminal 12 extracts local mobile subscriber's identifier, and local mobile terminal equipment mark symbol;

Step 402 is for the mobile subscriber sets an identification cipher;

Step 403; Portable terminal 12 application message digest algorithms (for example existing MD5 algorithm or SHA-1 algorithm etc.) calculate the identifier based on this user, the device identifier of this portable terminal and the identity information summary of identification cipher; The follow-up prestige assessment unit 112 with server 11 of portable terminal 12 only provides this identity information summary during with reputation query unit 113 interaction messages; Both guarantee the uniqueness of user identity in server 11, also reached the purpose of protection mobile subscriber privacy;

Step 404, portable terminal 12 sends to server 11, request registration with the identity information summary of this portable terminal that step 403 calculates;

Step 405, if server 11 is received the register requirement of this portable terminal, user identity management unit 111 execution in step 406, otherwise continue the queued for log-on request;

Step 406, the user identity management unit 111 of server 11 are extracted the subscriber identity information summary from the register requirement of receiving, and judge its uniqueness;

Step 407, if mobile subscriber's identity information is unique, execution in step 408, otherwise execution in step 409;

Step 408, the user identity management unit 111 of server 11 deposits this mobile subscriber identifier informative abstract in credit database 115;

Step 409, server 11 sends registering result to the portable terminal 12 of request registration, if mobile subscriber's identity information is unique, returns and succeeds in registration, otherwise send registration failure.

Fig. 5 is the flow chart of rubbish voice credit rating among the present invention, and concrete steps comprise:

Step 501; Set the credit rating producing method at portable terminal 12; Its concrete producing method comprises: automated manner and manual mode; Automatically be to calculate generation by portable terminal automatically according to the call model parameter, manual mode is then by callee's subjective assessment, and combination call model calculation of parameter produces;

Step 502, whether portable terminal 12 monitoring mobile subscribers get into talking state, if begin conversation, execution in step 503, otherwise continue monitoring mobile terminal device state;

Step 503, portable terminal 12 are judged these callings whether for going into call request, if, execution in step 505, otherwise execution in step 504;

Callee's identifier that step 504, portable terminal 12 will be called out is charged to white list 126, and the metered call time started;

Step 505, whether portable terminal 12 these callings of monitoring finish, if finish conversation, execution in step 506, otherwise continue monitoring;

Step 506, is added up the duration of this calling at the 12 metered call concluding times of portable terminal;

Step 507, portable terminal 12 is judged the credit rating producing method that the callee sets, if automated manner, execution in step 508, otherwise execution in step 509;

Wherein the credit rating mode that provides of portable terminal 12 is to adopt following form:

{R(T)，R(UT)，R(Unknown)}

In the formula; R (T) represents confidence level; The big more expression of R (T) calling subscriber can not be the rubbish voice user more, and R (UT) representative can not reliability, and the big more expression of R (UT) calling subscriber possibly be the rubbish voice user more; R (Unknown) represents uncertainty, and the big more expression of R (Unknown) callee be not sure of calling subscriber's type more.The value of R (T), R (UT) and R (Unknown) is all between 0～1, and three's sum is 1;

Step 508, portable terminal 12 produces credit rating automatically according to the call model parameter, and execution in step 512;

Provide below that this automated manner carries out the credit rating formula in the step 508:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=\frac{1-R\left(T\right)}{2}\\ R\left(\mathrm{Unknown}\right)=\frac{1-R\left(T\right)}{2}\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, and R (T) represent confidence level, and R (UT) expression can not reliability, and R (Unknown) representes uncertain; t _IclFor this calling subscriber calls out this callee's average call duration, unit is second; T _IclBe all average call durations of going into to call out that this callee accepts, unit is second; f _OcFor called this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day; F _OcBe total average call frequency that this callee calls out any user, unit is time/day; α and β are that weight parameter can freely be defined through man-machine interaction unit 121 by the callee, make R (T) value between 0～1.T wherein _Icl, T _Icl, f _OcAnd F _OcAdd up, calculate and get by calling parameter statistic unit 127.

Step 509, portable terminal 12 are according to callee's subjective assessment and call model parameter generating credit rating, and it produces credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=[1-R\left(T\right)]\mathrm{\γ}\\ R\left(\mathrm{Unknown}\right)=[1-R\left(T\right)](1-\mathrm{\γ})\end{array}\right.$

R in the formula (T), R (UT), R (Unknown), t _Icl, T _Icl, f _Oc, F _Oc, α and β and step 508 the credit rating computing formula in symbol have identical implication; γ is this mobile subscriber's direct evaluation, and the value of γ is between 0～1.Mobile subscriber's direct evaluation comprises Three Estate: credible, insincere and uncertain.The mobile subscriber selects different opinion ratings, and γ gets different values.

Step 510, whether this mobile subscriber thinks that through man-machine interaction unit 121 inputs the calling subscriber is rubbish voice user's " insincere " direct evaluation, if, execution in step 511, otherwise execution in step 512;

Step 511, portable terminal 12 deposits this caller ID in local rubbish voice ID storehouse 125, process ends;

Step 512, portable terminal 12 sends credit rating message to server 11, and wherein this message comprises this callee's subscriber identity information summary, this caller ID and credit rating, process ends.

Fig. 6 is the flow chart of rubbish voice prestige assessment among the present invention, and concrete steps comprise:

Step 601, the variety of event of server 11 monitoring inputs is specifically accomplished by the communication unit 114 of server 11;

Step 602, communication unit 114 are judged the credit rating whether server 11 is received from portable terminal 12, wherein comprise credit rating { R (T), R (UT), R (Unknown) }, if, execution in step 603, otherwise continue the monitoring incoming event;

Step 603, the prestige assessment unit 112 of server 11 are extracted the callee's who sends this credit rating identity information summary from the credit rating message of receiving, and in credit database, inquire about, and verify that whether this callee is through registration;

Step 604, server 11 are verified through 115 pairs of these callee's identity informations of credit database, if verify that this callee's identity information is legal, execution in step 606, otherwise execution in step 605;

Step 605, the prestige assessment unit 112 of server 11 abandons this credit rating, and process ends;

Step 606; The prestige assessment unit 112 of server 11 extracts credit rating from the credit rating message of receiving; Verify the legitimacy of this evaluation, the method for checking promptly judge confidence level that this credit rating comprises, can not reliability and uncertainty three sum whether be 1, just comprise credit rating { R (T); R (UT), R (Unknown) } three's sum is 1;

Step 607 is if the prestige assessment unit of server 11 112 judges that this credit rating is legal, execution in step 608, otherwise execution in step 605;

Step 608, the prestige assessment unit 112 of server 11 is inquired about its credit value according to this callee's identity information summary in credit database 115;

Step 609 is if the prestige assessment unit of server 11 112 is judged the prestige that inquires this callee, execution in step 610, otherwise execution in step 614;

Step 610, the prestige that prestige assessment unit 112 utilizations of server 11 inquire decays to the credit rating that this callee provides via the credit rating attenuation module of prestige assessment unit 112, avoids few users to carry out the malice evaluation;

Wherein the credit rating that this callee provided according to following formula of server is decayed and is obtained new credit rating

$\left\{\begin{array}{c}{R}^{\′}\left(T\right)=R\left(T\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{UT}\right)=R\left(\mathrm{UT}\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{Unknown}\right)=1-R^{\′}\left(T\right)-R^{\′}\left(\mathrm{UT}\right)\end{array}\right.$

In the formula R ' (T); R ' (UT); R ' is (Unknown) } the new credit rating of expression, on behalf of credit rating,

user's historical prestige set is provided, and this history prestige set is kept in the credit database 115; If not this callee's historical prestige set in the credit database; Then server adopts default prestige set that the credit rating that this callee provides is decayed, and like this default prestige set is: { 0.3,0.3; 0.4}, here for illustrating but be not limited thereto;

Step 611; The prestige assessment unit 112 of server 11 extracts evaluation object calling subscriber's identifier from the credit rating message of receiving; And in the credit database 115 this calling subscriber's of inquiry historical prestige, this history prestige also comprises: confidence level, can not reliability and uncertainty;

Step 612, the prestige of prestige assessment unit 112 merging module is carried out joint account with credit rating and historical prestige in the server 11, reaches the purpose of this calling subscriber's that reappraises prestige;

Wherein the prestige of server 11 merging module utilizes the D-S evidence merging formula of evidence theory that credit rating that aforementioned calculation is made new advances is carried out joint account with this calling subscriber's historical prestige set, and the prestige set that joint account goes out is reappraised to this calling subscriber's credit value according to following formula:

$\mathrm{Rep}=\frac{R\left(T\right)}{R\left(T\right)+R\left(\mathrm{Unknown}\right)}-\frac{R\left(\mathrm{UT}\right)}{R\left(\mathrm{UT}\right)+R\left(\mathrm{Unknown}\right)}$

Rep is this calling subscriber's a credit value in the formula, and between-1～+ 1, { R (T), R (UT), R (Unknown) } is this calling subscriber's historical prestige set.The Rep value is approaching more+and 1, represent calling subscriber's prestige high more; Otherwise Rep is approaching more-1, representes that then calling subscriber's prestige is low more;

Step 613; The credit value quantization modules of server 11 is according to the credit value of the new prestige set quantitatively evaluating object after merging; Just this credit value quantization modules is calculated the credit value that is used to discern the rubbish voice user according to the prestige set that up-to-date merging obtains, and this credit value is between-1～+ 1.

Step 614, server 11 deposits the new prestige that step 613 calculates in credit database, and process ends.

Fig. 7 is the flow chart that the rubbish voice user identifier is downloaded among the present invention, and concrete steps comprise:

Step 701, portable terminal 12 is monitored the local device states, just starts the download flow process of rubbish voice user identifier when having only local mobile terminal equipment to be in the free time;

Step 702, the mobile terminal state monitoring unit 129 of portable terminal 12 judge whether portable terminal is in talking state, if not, execution in step 703, otherwise continue the watch-dog state;

Step 703; The mobile subscriber is through the man-machine interaction unit 121 input prestige threshold values of portable terminal 12; Transfer to rubbish voice ID download unit 124 and send rubbish voice user identifier download request to server 11; This request comprises the prestige threshold values, recent renewal time and this mobile subscriber's identity information summary;

Step 704, the communication unit 114 of server 11 judges whether to receive rubbish voice user identifier download request, if receive request, execution in step 705, otherwise the download request that standby communication terminals such as continuation 12 send;

Step 705, server 11 are extracted this mobile subscriber identifier informative abstract from the rubbish voice user identifier download request of receiving, transfer to user identity management unit 111 this user's of inquiry in the credit database 115 identity information;

Step 706, whether user identity management unit 111 these mobile subscriber identifier information of checking of server 11 are legal, if through checking, reputation query unit 113 execution in step 708, otherwise execution in step 707;

Step 707, the reputation query unit 113 of server 11 abandon this rubbish voice user identifier download request, and process ends;

Step 708, the reputation query unit 113 of server 11 are extracted the prestige threshold values from the rubbish voice user identifier download request of receiving, and in credit database 115, inquire about the rubbish voice user identifier that credit value is lower than this prestige threshold values;

Step 709, server 11 sends to this portable terminal 12 through communication unit 114 with the rubbish voice user identifier that inquires;

Step 710, the Query Result that portable terminal 12 waiting for server 11 are returned, if receive Query Result, execution in step 711, otherwise execution in step 712;

Step 711, portable terminal 12 deposits the rubbish voice user identifier that receives in local rubbish voice ID storehouse 125, and process ends;

Step 712, portable terminal 12 resend rubbish voice user identifier download request, and execution in step 704.

The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; But every content that does not break away from technical scheme of the present invention, all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.

Claims (25)

1. the rubbish voice filtering method based on mobile radio communication is characterized in that, this method comprises the steps:

Set the rubbish voice prestige threshold values of portable terminal;

Have the rubbish voice user identifier that is lower than rubbish voice prestige threshold values in the Download Server, and be stored in the rubbish voice user totem information storehouse of portable terminal;

Obtain the caller ID of call request;

In said rubbish voice user totem information storehouse, search said caller ID, if find then this call request of portable terminal refusal of said caller ID;

Otherwise further judging whether need be in real time to said server lookup calling subscriber credit value, if said calling subscriber's credit value is lower than the said rubbish voice prestige threshold values of setting, then portable terminal is refused this call request.

2. method according to claim 1 is characterized in that said method also comprises: when said call request finishes, according to call model data and the call model parameter of said call request, at credit rating of said portable terminal generation.

3. like the said method of claim 2, it is characterized in that said method also comprises:, again said calling subscriber is carried out the assessment of credit value at server end according to said credit rating and calling subscriber's historical credit rating.

4. method according to claim 1, it is characterized in that said method also comprises: the mobile subscriber inquires about said calling subscriber's credit value through server according to the real-time inquiry of setting.

5. like the said method of claim 4, it is characterized in that said method also comprises: when to the said calling subscriber's credit value of said server inquiry in real time, start a timer.

6. like the said method of claim 4, it is characterized in that white list is preserved the user identifier that carried out calling with said mobile subscriber.

7. method according to claim 1 is characterized in that, if said calling subscriber's credit value is higher than the said rubbish voice prestige threshold values of setting, then preserves calling subscriber's credit value at server end, and not identify this calling subscriber be the rubbish voice user.

8. method according to claim 1, it is characterized in that said method also comprises: said portable terminal is registered to the server end requests identity information.

9. like the said method of claim 2, it is characterized in that, produce said credit rating, further comprise at said portable terminal:

Add up this mobile subscriber's call model parameter, comprise and on average go into call duration and go out calling frequency;

If the credit rating producing method is set at automated manner, then produce credit rating according to following formula,

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=\frac{1-R\left(T\right)}{2}\\ R\left(\mathrm{Unknown}\right)=\frac{1-R\left(T\right)}{2}\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, and wherein: R (T) expression mobile subscriber's confidence level, R (UT) expression can not reliabilities, and R (Unknown) expression is uncertain; For this calling subscriber calls out this mobile subscriber's average call duration, unit is second; Be all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day;

Be total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter.

10. like the said method of claim 2, it is characterized in that, produce said credit rating, further comprise at said portable terminal:

Subjective assessment according to mobile phone users directly provides produces credit rating according to following formula:

$\left\{\begin{array}{c}R\left(T\right)=\mathrm{\α}\frac{{\stackrel{\‾}{t}}_{\mathrm{icl}}}{{\stackrel{\‾}{T}}_{\mathrm{icl}}}+\mathrm{\β}\frac{f_{\mathrm{oc}}}{{\stackrel{\‾}{F}}_{\mathrm{oc}}}\\ R\left(\mathrm{UT}\right)=[1-R\left(T\right)]\mathrm{\γ}\\ R\left(\mathrm{Unknown}\right)=[1-R\left(T\right)](1-\mathrm{\γ})\end{array}\right.$

R in the formula (T), R (UT) and R (Unknown) constitute complete credit rating, and wherein: R (T) expression mobile subscriber's confidence level, R (UT) expression can not reliabilities, and R (Unknown) expression is uncertain;

For this calling subscriber calls out this mobile subscriber's average call duration, unit is second;

Be all average call durations of going into to call out that this mobile subscriber accepts, unit is second; f _OcFor this mobile subscriber calls out this calling subscriber's calling frequency, unit is time/day;

Be total average call frequency that this mobile subscriber calls out any user, unit is time/day; α and β are weight parameter; γ is this mobile subscriber's direct evaluation, and the value of γ is between 0～1.

11. like claim 9 or 10 described methods; It is characterized in that; Comprise that further said portable terminal according to the total call model parameter between this mobile phone users and any user, also comprises and on average goes into call duration and go out calling frequency, accomplish evaluation calling subscriber's prestige.

12. like claim 9 or 10 described methods, it is characterized in that weight parameter α and β can freely be defined by mobile phone users, make R (T) value between 0～1.

13. method as claimed in claim 10 is characterized in that, mobile phone users comes the value of self-defined γ according to R (T), R (UT) and R (Unknown) Three Estate.

14., it is characterized in that the credit rating that portable terminal provides adopts following form like claim 9 or 10 described methods:

{R(T)，R(UT)，R(Unknown)}

In the formula; R (T) represents confidence level; The big more expression of R (T) calling subscriber can not be the rubbish voice user more, and R (UT) representative can not reliability, and the big more expression of R (UT) calling subscriber possibly be the rubbish voice user more; R (Unknown) represents uncertainty, and the big more expression of R (Unknown) mobile subscriber be not sure of calling subscriber's type more.The value of R (T), R (UT) and R (Unknown) is all between 0～1, and three's sum is 1.

15. method as claimed in claim 3 is characterized in that, again the assessment that said calling subscriber carries out credit value is further comprised at server end:

Receive the credit rating that the callee provides, begin the calling subscriber is carried out the prestige assessment;

If preserved this called subscriber's prestige set in the credit database of server, then the credit rating that this called subscriber provided according to following formula of server is decayed and is obtained new credit rating:

$\left\{\begin{array}{c}{R}^{\′}\left(T\right)=R\left(T\right)\×\tilde{R}\left(t\right)\\ R^{\′}\left(\mathrm{UT}\right)=R\left(\mathrm{UT}\right)\×\tilde{R}\left(T\right)\\ R^{\′}\left(\mathrm{Unknown}\right)=1-R^{\′}\left(T\right)-R^{\′}\left(\mathrm{UT}\right)\end{array}\right.$

{ R (T) in the formula; R ' (UT); R ' is (Unknown) } the new credit rating set of expression;

representative provides the called subscriber's of credit rating historical prestige set, and it is stored in the credit database of server.

16. method as claimed in claim 15 is characterized in that, further utilizes the D-S evidence of evidence theory to merge formula the historical prestige of said new credit rating with this calling subscriber is merged, and obtains new credit rating and gathers.

17. method as claimed in claim 16 is characterized in that, further comprises said new credit rating set is reappraised to this calling subscriber's credit value according to following formula;

$\mathrm{Rep}=\frac{R\left(T\right)}{R\left(T\right)+R\left(\mathrm{Unknown}\right)}-\frac{R\left(\mathrm{UT}\right)}{R\left(\mathrm{UT}\right)+R\left(\mathrm{Unknown}\right)}$

Rep is this calling subscriber's a credit value in the formula, and { R (T), R (UT), R (Unknown) } is this calling subscriber's historical prestige set.

18. method as claimed in claim 17 is characterized in that, calling subscriber's credit value Rep is between-1～+ 1.

19. method as claimed in claim 18 is characterized in that, comprises that further server is decayed to the credit rating of receiving with default prestige set if the called subscriber does not have historical prestige set.

20. method as claimed in claim 19 is characterized in that, this calling subscriber's historical prestige set is the result after being merged by all historical credit ratings, when receiving new credit rating, will reappraise and upgrade historical prestige set.

21. the rubbish voice filtering system based on mobile radio communication, this system comprises: portable terminal and server is characterized in that said portable terminal comprises:

One man-machine interaction unit is used to set the rubbish voice prestige threshold values of portable terminal;

One rubbish voice user totem information storehouse is used to preserve the rubbish voice user identifier;

One white list is used to preserve the credible user identifier that the mobile subscriber once called out;

One mobile status monitoring unit is used for monitoring and goes into to call out and go out calling parameter;

One rubbish voice filtering unit filters the caller ID in the call request according to the rubbish voice user identifier in the said rubbish voice user totem information storehouse;

One rubbish voice ID download unit is used for downloading up-to-date rubbish voice subscriber identifier information from server end;

One calling parameter statistic unit is monitored average duration and the calling frequency that calling parameter is added up the calling of all incoming calls of portable terminal and exhalation according to said mobile status monitoring unit;

One rubbish voice credit rating unit, the said parameter of adding up according to said calling parameter statistic unit is used for the calling subscriber who goes into to call out is produced credit rating;

One identity unit is used to accomplish the authentication of said mobile phone users at server end; And

One protocol communication unit is used to provide the function of the protocol communication between portable terminal and the server;

Said server end comprises:

One credit database is used for memory mobile terminal subscriber identity information and reputation;

One prestige assessment unit carries out the prestige assessment according to new credit rating and the set of historical prestige that said called mobile terminal sends to the calling subscriber;

One reputation query unit is used for said inquiry credit database, accomplishes the reputation query requirement that portable terminal proposes; And

One communication unit is used for the protocol communication between server and the portable terminal.

22. system as claimed in claim 21 is characterized in that, said prestige assessment unit further comprises:

One credit rating attenuation module is used for the said credit rating that server receives is rationally decayed;

One credit rating merges module, and the said credit rating that is used for server is received and the joint account of historical prestige set obtain up-to-date prestige set;

One prestige quantization modules is calculated the credit value that is used to discern the rubbish voice user according to said prestige set.

23. system as claimed in claim 21 is characterized in that, said reputation query unit further comprises:

One real-time enquiry module is used to respond the real-time reputation query request that portable terminal proposes, and the prestige of the unique user of appointment is only inquired about in this request;

One non real-time download module is used to accomplish the rubbish voice user identifier download request that portable terminal proposes.

24. system as claimed in claim 21 is characterized in that, said rubbish voice user totem information storehouse further comprises:

One information stores management module is used for preserving and leading subscriber rubbish voice user identifier data, also is used for the index to the rubbish voice user identifier;

One message reference module is used for providing to rubbish voice filtering unit and rubbish voice credit rating unit the interface of visit information MMU memory management unit, and this interface comprises inquiry, inserts and deletion.

25. system as claimed in claim 21 is characterized in that, said protocol communication unit further comprises:

One communication protocol module is used for the data that receive are decoded, and the data of sending is encoded;

One message communicating module is used for transmitting and receive data between portable terminal and the server.

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