CN1220399C - Charging method with floating rate based on quantized communication quality - Google Patents

Abstract

The present invention discloses a charging method of a floating rate based on quantized communication quality, which is used in the existing base station system for increasing testing systems of communication quality. Quantization parameters for measuring communication quality are firstly set in the testing systems of communication quality, namely bit error rates P<e>. Reference values P<er> of the P<e> are used as the reference standard of communication quality. The bit error rates transmitted periodically by a mobile station to a base station in the process of a call are accumulated by the testing systems of communication quality, and average values P<e> of the bit error rates are calculated. The quality level of the talk and a charging standard parameter corresponding to the quality level are obtained by the comparative result of the average values P<e> and the reference values P<er>. The two parameters of the charging standard and the communication time length of the talk are simultaneously input to a charging system to carry out charging finally. The present invention has the advantages that a charging system is reasonable, the network optimization and the technology upgrade of a mobile communication system can be promoted, etc. The present invention is suitable for charging systems of various mobile communication systems (GSM, GPRS and CDMA).

Description

Floating rate charging method based on the communication quality quantification

Technical field

The present invention relates to the mobile communication technology field, a kind of charging method of mobile communication is used for various mobile communication systems (GSM, GPRS, charge system CDMA) specifically.

Background technology

At present, various mobile communication system generally adopt the charging way of nontraffic sensitive.In the process of this communication charge, generally send information such as calling number, called number, conversation date, conversation beginning and ending time, rate, location of mobile station and sign off reason to charge system by mobile switch.Charge system is only according to the duration of communication or the flow rate calculation expense of transmission data, and do not consider this key factor of communication quality, that is to say getting well regardless of user communication quality with bad, all charge, must cause obviously unfair like this user and mobile communication carrier by same nontraffic sensitive.In addition because mobile channel is with the ginseng channel, error rate height in the communication process will be subjected to multiple factor affecting and constantly change, so this nontraffic sensitive charging way that does not embody communication quality parameter, both do not met international business's standard of fixing a price, chargeing according to quantity with matter, being an impediment to the raising communication quality again, is a kind of extremely irrational charging system.

Summary of the invention

The objective of the invention is to change the charging way of existing mobile communication nontraffic sensitive, propose a kind of floating rate charging method that quantizes based on communication quality.

Realize that the object of the invention technical scheme is to increase the measurement of communication quality system in existing base station system, by the quantization parameter error rate P of measurement of communication quality system to communication quality _eCarry out real-time measurements and calculations, its step is as follows:

(1) according to the technical standard of communication quality, sets the pairing different error rate reference value P of different communication credit rating _Er

(2) error rate P that travelling carriage in the communication process is periodically sent to the base station _ErAdd up, draw the error rate that adds up

(3) obtain the mean value of the error rate

$\stackrel{\&OverBar;}{P_e}=\frac{1}{n}\underset{r=1}{\overset{n}{\mathrm{\&Sigma;}}}{P}_{\mathrm{er}}$

In the formula: n is an accumulative frequency

(4) with the mean value of the error rate

With each reference value P _ErCompare, draw the credit rating of this communication;

(5) credit rating of this communication is corresponding with corresponding Freight Basis;

(6) giving charge system simultaneously with the pairing Freight Basis of this communication quality and two parameters of communication time charges.

The normative reference P of above-mentioned communication quality _ErSetting be: the signal to noise ratio scope of each communication, levels is scaled corresponding P _ErValue, promptly according to the communication quality standard, when speech quality is higher than 3 grades, corresponding signal to noise ratio C/N 〉=12dB; When speech quality is higher than 4 grades, corresponding signal to noise ratio C/N 〉=18dB.

Above-mentioned communication quality quantization parameter, i.e. error rate P _eReal-time measurement calculate, can realize by hardware circuit.This circuit comprises single-chip microcomputer and peripheral components thereof, as EPROM and RAM.Under the cooperation of base station controller BSC and mobile switch MSC, this hardware circuit has been finished P _eReal-time measurement calculate, wherein:

The effect of base station controller BSC is: in communication process, the error rate parameter that the mobile station MS that base station transceiver BTS is received is sent is issued single-chip microcomputer MSC-96 8397, under the cooperation of EPROM and RAM, finishes error rate P _eTemporary transient storage and to average error rate

Computing function;

The effect of mobile switch MSC is: judge whether off-hook of called subscriber, simultaneously communication time, caller and the called number information of recording user.Called subscriber's off hook signal will be as triggering signal, and it is not only the commencing signal of charging, also is the triggering signal of measurement of communication quality system simultaneously;

The present invention makes the charging of mobile communication become the floating rate that quantizes based on communication quality by the existing fixed rate owing to increased mass parameter in the mobile communication billing system, and the system of therefore chargeing will more become reasonable; Owing in the charging system, introduced the communication quality social estate system, not only help fair competition, and can promote the network optimization and the technology upgrading of mobile communication system simultaneously.The present invention also has the normal operation that does not influence existing system in addition, can change advantages such as related parameter easily by revising software according to the requirement of operator.

Description of drawings:

Fig. 1 is the mobile communication billing system block diagram

Fig. 2 is a base station power control block diagram

Fig. 3 is a system block diagram of the present invention

Fig. 4 is the software flow pattern of measurement of communication quality of the present invention system

Fig. 5 is the hardware elementary diagram of measurement of communication quality of the present invention system

Embodiment:

Below the technical scheme that present invention will be described in detail with reference to the accompanying.

With reference to Fig. 1, whole mobile communication billing system comprise accounting management control subsystem, charging preprocessing subsystem, charging processing subsystem, with interface, client's inquiry into expenses subsystem of other subsystem.The function of each subsystem is as follows:

The accounting management control subsystem is mainly finished rate, warning line and user profile three kinds of functions is set.Wherein:

Rate is provided with, be that fee-collection standard by service charge is provided with, and use flexible and changeable tariff policies at different COS, such as provide charged according to time, by byte charge, by number of times charge, monthly charge, total time segmentation not time-shared charge, total time segmentation time-shared charge, total flow segmentation time-shared charge etc. of time-shared charge, total flow segmentation not.Simultaneously also can different rates be set at different times.

Warning line is provided with, and a use amount warning line can be set for different COS.When user's use amount during greater than this warning value, system will remind the user to take measures areput like this.COS is set when warning value is set, promptly a warning value all will be set any COS.

User profile is provided with, and is to set up and maintenance customer's information bank.

The charging preprocessing subsystem, regularly the user that communication system the is provided initial data of chargeing is carried out standardization and validity check, correct information is imported in the accounting management control subsystem database, and the raw data file of providing convenience is chosen, data preview and detailed error report etc.

The charging processing subsystem is finished respectively by fixed form, as monthly, by the time, charge by visit capacity; Finish on a time period information is collected the charges, as 5 folding expense after at 12 in evening, and carry out segmentation by different flows and calculate and collect the charges.Can carry out flexile preferential processing mode, and provide and agential capital settlement data, carry out the statistics or the inquiry of rate, receivable, real receipts, user profile use amount and link holding time, provide convenience for user's inquiry, the statistics of accurate science is provided for managerial decision.

With the interface of other subsystem, the data in the mainly realization system are used by other parts, avoid data to repeat to store and guarantee the consistency of data.By interrelating with other subsystem, make full use of available data information, user's the situation of paying dues is provided, and carries out opening of information link and press for payment of operations such as arrearage according to user's the situation of paying dues.

Client's inquiry into expenses subsystem is mainly in order to allow the client in time recognize the situation of own using system resource, the disbursement that draws oneself up.This subsystem not only can offer the cost information that the client should hand over, and also can offer the information use amount of each period of user simultaneously.This program provides three kinds of user types, and a kind of is the user who only checks local information in this locality, is not connected with database when this user operates; Second kind is the user who is connected with database, can carry out the operation that checking of data etc. do not revised data; The third is the user that data are operated, but these users can only add information.In addition, also have an advanced level user outside native system, it is database system management person.By the foundation of its management database, the foundation of user account number is to the modification of actual rate and metering data and the operations such as backup of data.

With reference to Fig. 2, the base station power control procedure is: travelling carriage is continuously measured the error rate of downlink traffic channel, periodically measurement result is issued the base station by up channel.After the error rate that travelling carriage sends is received in the base station, compare with the error rate threshold value of regulation.If the error rate is greater than the threshold value of regulation, then the instruction that increases transmitting power is sent in the base station to travelling carriage; Otherwise the instruction that reduces transmitting power is then sent to travelling carriage in the base station.Like this, the error rate that send by receiving mobile the base station also compares with threshold value, sends corresponding instruction to travelling carriage, finishes power control.Before receiving the error rate, the base station register will carry out zero clearing next time, and current ber value is only deposited in the base station.To be base station controller that sent by travelling carriage according to base station transceiver received and the size ber value of threshold value after relatively, and the instruction base station transceiver sends the instruction that increases or reduce transmitting power.

With reference to Fig. 3, the present invention adds the measurement of communication quality system in the existing communication system.This communication quality testing system need be obtained the parameter of relevant communication quality grade and communication time from base station and switch, finish correlation computations after, its result is sent to charge system.This measurement of communication quality system finishes the communication quality test, can realize by software or hardware.

With reference to Fig. 4, realize that the software flow of this communication quality test is as follows:

(1) clock setting is consistent fundamental clock of this program running and system clock;

(2) initial condition setting makes this program be in the wait running status constantly;

(3) call out arrival and called off-hook, this process start-up routine operation;

(4) receive the error rate, travelling carriage is constantly reported measured ber value to the base station in communication process, and this program of sending to;

(5) ber value of travelling carriage periodically being issued the base station adds up, and obtains its mean value as follows;

$\stackrel{\&OverBar;}{P_e}=\frac{1}{n}\underset{r=1}{\overset{n}{\mathrm{\&Sigma;}}}{P}_{\mathrm{er}}$

(6) with error rate mean value

With each error rate reference value P _ErCompare, draw the credit rating of this communication;

(7) send information such as the credit rating of this communication, communication time, class of subscriber to charge system.

With reference to Fig. 5, realize that the hardware circuit of measurement of communication quality of the present invention comprises MSC-96 8397 single-chip microcomputers, RS-232C Peripheral Interface, EPROM and RAM.Under the cooperation of base station controller BSC and mobile switch MSC, finish test to communication quality.Wherein: the error rate parameter that the base station controller BSC mobile station MS that base station transceiver BTS is received is sent is issued single-chip microcomputer MSC-96 8397, under the cooperation of EPROM and RAM, finishes error rate P _eTemporary transient storage and to average error rate

Computing function.Mobile switch MSC judges whether off-hook of called subscriber, the communication time of recording user simultaneously, information such as caller and called number, class of subscriber.Called subscriber's off hook signal will be as triggering signal, and it is not only the commencing signal of charging, also is the triggering signal of measurement of communication quality system simultaneously; The effect of charge system is the mean value with the error rate With each reference value P _ErAfter comparing,, calculate this communication cost according to corresponding Freight Basis and communication time.

According to the quality standard of Speech Communication, usually communication quality is divided into five grades, promptly excellent, good, in, poor, bad.Wherein:

The standard of top grade (5 grades) is that speech can be understood fully, and noise can be ignored fully;

The standard of good level (4 grades) is that speech is understood easily, slightly noise;

The standard of middle rank (3 grades) is that speech can be understood, needs to note a little, and indivedual words may need repetition, so that do not hear;

The standard of difference level (2 grades) is that speech sounds quite painstaking, often need repeat just can understand, and interruption is arranged during conversation;

The standard of bad level (1 grade) is that speech can't be understood, and repeatedly interrupts.

In the present invention, the signal to noise ratio scope of each communication, levels is scaled corresponding ber value, as the communication quality normative reference.In digital mobile communication, according to communication technology standard, general speech quality should be not less than 3.5 grades.Be higher than 3 grades speech quality, corresponding signal to noise ratio C/N 〉=12dB; Be higher than 4 grades speech quality, corresponding signal to noise ratio C/N 〉=18dB.

Claims (3)

1. A floating rate billing method based on communication quality quantification, its implementation process is as follows: (1) Through the communication quality measurement system added in the base station system, the quantitative parameter of communication quality, that is, the bit error rate P _e , is measured and calculated in real time according to the following steps: ① Set different bit error rate reference values P _er as reference standards for different communication quality levels; ② Accumulate the bit error rate periodically sent from the mobile station to the base station during the communication process to obtain the accumulated bit error rate; ③ Find the average bit error rate in the communication process

$\stackrel{<span\; class="notranslate">\; \&OverBar;</span>}{{\mathrm{<span\; class="notranslate">\; P</span>}}_{\mathrm{<span\; class="notranslate">\; e</span>}}}<span\; class="notranslate">\; =</span>\frac{\mathrm{<span\; class="notranslate">\; 1</span>}}{\mathrm{<span\; class="notranslate">\; no</span>}}\underset{\mathrm{<span\; class="notranslate">\; i</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}}{\overset{\mathrm{<span\; class="notranslate">\; no</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}}{\mathrm{<span\; class="notranslate">\; P</span>}}_{\mathrm{<span\; class="notranslate">\; er</span>}}$ In the formula: n is the cumulative number of times ④The average bit error rate Compare with the reference value P _er to get the quality level of this communication; (2) Corresponding the quality level of this communication with the corresponding charging standard parameters; (3) Simultaneously input the corresponding billing standard and communication duration into the billing system for billing. 2. billing method according to claim 1, it is characterized in that the setting of reference value _Per is according to the communication quality standard of voice, the signal-to-noise ratio range of each communication quality grade is converted into corresponding bit error rate reference Value P _er , that is, when the voice quality is higher than level 3, the corresponding signal-to-noise ratio C/N≥12dB; when the voice quality is higher than level 4, the corresponding signal-to-noise ratio C/N≥18dB. 3. billing method according to claim 1 is characterized in that communication quality measurement system comprises MSC-96 8397 single-chip microcomputer, RS-232C peripheral hardware interface, EPROM and RAM, and this measurement system carries out quantization parameter bit error rate _Pe Real-time measurement and calculation can be carried out with the cooperation of base station controller BSC and mobile switch MSC, wherein: The role of the base station controller BSC is to send the bit error rate parameters received from the mobile station MS to the single-chip microcomputer MSC-96 8397 during the communication process, and complete the adjustment of the bit error rate P _e with the cooperation of EPROM and RAM. Temporarily store and compare the average BER computing functions; The mobile switch MSC judges whether the called user is off-hook, records the user's communication duration, calling and called number information at the same time, and uses the off-hook signal of the called user as a trigger signal.

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