CN101754236A - Technical parameter measuring and calculating model of time division synchronization code division multiple access (TD-SCDMA) network centralized monitoring system - Google Patents

Abstract

The invention provides a technical parameter measuring and calculating model of time division synchronization code division multiple access (TD-SCDMA) network centralized monitoring system for improving the efficiency and the accuracy of the design and the plan of the TD-SCDMA network centralized monitoring system. The technical parameter measuring and calculating model of the TD-SCDMA network centralized monitoring system can measure and calculate the convergence equipment quantity, the service storage capacity and the system reliability of the centralized monitoring system according to the monitoring demands, and can be applied to networking plan and monitoring layout. The technical parameter measuring and calculating model of the TD-SCDMA network centralized monitoring system fully considers the system redundancy, has feasibility, can be used for measuring and calculating the equipment service life cycle, and provides referential criterion for the long-term plan of the operation networking.

Description

The technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system

Technical field

The present invention relates to the monitoring technology of TD-SCDMA network, specially refer to the technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system.

Background technology

First has the international communication system standard of independent intellectual property right to the system standard of TD-SCDMA communication network as China, has begun practicability, and has been responsible for the operation of TD-SCDMA communication network in China by China Mobile.Usually, the TD-CDMA communication system is called third generation mobile radio system (abbreviating 3G as), and cdma communication system is called second generation mobile radio system (abbreviating 2G as).Obviously, for adapting to the operation of TD-SCDMA communication system, need to introduce a large amount of new technologies.Owing to be in the process that transforms to 3G from 2G at present, the 2G/3G network equipment and operation system coexistence, therefore, the intercommunication of the running quality of TD-SCDMA network self, 2G network and 3G network, interoperability etc. all are the major issues that network operator should be paid close attention to.Monitor and control for the equipment of the whole network, realize centralized maintenance, concentrate test, centralized monitor and centralized management (will monitor and control whole network equipment usually, realize centralized maintenance, concentrate the technology of test, centralized monitor and centralized management to abbreviate concentrated monitoring as), the network test method of prior art and equipment can not meet the demands.

Usually, basic demand to TD-SCDMA network centralized monitoring system is to gather all kinds of signalings and protocol data in every way, carry out the decoding of signaling and agreement, synthetic call detail record CDR, reproduce the business continuing overall process, carry out network and professional all kinds of indicator-specific statistics, thereby make network maintenance staff's grasp and phase-split network and service operation situation.Characteristics such as obviously, TD-SCDMA network centralized monitoring system should have does not influence the network operation, can reappear, data content is abundant afterwards.

According to the above-mentioned functions of TD-SCDMA network centralized monitoring system and characteristics as can be known, the function that the design of centralized monitoring system, planning will directly have influence on centralized monitoring system realizes, and such as technical parameters such as system equipment quantity, server stores capacity and system reliabilities, design, planning to centralized monitoring system have and important effect, and efficient and the accuracy that improves centralized monitoring system design, planning had very important meaning.

Summary of the invention

Be the design that improves TD-SCDMA network centralized monitoring system, the efficient and the accuracy of planning, the present invention proposes a kind of technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system, the technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system of the present invention can be calculated the reliability of convergence equipment quantity, server stores capacity and the system of centralized monitoring system according to the monitoring needs, can apply to networking planning and monitoring layout.The technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system of the present invention has taken into full account system redundancy, has feasibility, and can be used for calculating life period of equipment, for the long-term planning of runing networking provides with reference to foundation.

The technical parameter measuring and calculating model of TD-SCDMA network centralized monitoring system of the present invention comprises:

(1) adopts following formula measuring and calculating convergence equipment quantity

In the formula: NDXC is a convergence equipment quantity, and NSL is tested signaling link way, the round numbers of " " ecbatic;

(2) adopt following formula measuring and calculating server stores capacity:

$\mathrm{ATSC}=\frac{\mathrm{TSC}}{R}$

In the formula: ATSC is the server stores capacity, and unit is a byte; TSC is the required total memory capacity of disk array of storage data, and unit is a byte; R is the effective rate of utilization of server memory, and value is 50%--80%;

(3) adopt following formula to calculate the useful life of centralized monitoring system:

${\mathrm{SYS}}_{\mathrm{MTBF}}=\frac{1}{\mathrm{\λ}}=\frac{1}{\underset{i=1}{\overset{7}{\mathrm{\Σ}}}\frac{1}{T_i}}$

In the formula: SYS _MTBFBe the life-span of centralized monitoring system, unit is hour; λ is the failure rate of whole system, T _iBe the useful life of i equipment, unit is hour; I=1,2,3 ..., be natural number.

Further, the technical parameter of TD-SCDMA network centralized monitoring system of the present invention measuring and calculating model adopts the required total memory capacity TSC of disk array of following formula measuring and calculating storage data, and unit is a byte:

TSC＝MCC+CDR_SC+ALCD

In the formula: TSC is the required total memory capacity of disk array of storage data, and unit is a byte; MCC is an origination message memory capacity, and unit is a byte; CDR_SC is a call detail record CDR memory capacity, and unit is a byte; ALCD is a statistics memory capacity, and unit is a byte; Wherein:

(1) original signaling message memory capacity MCC adopts the following formula measuring and calculating:

$\mathrm{MCC}=\mathrm{SLLN}\×1.15=L\×(\frac{S}{8}\×3600\×\frac{m}{\mathrm{\δ}})\×N\×1.15$

In the formula: SLLN is N days the required memory capacity of original signaling message of preservation, and unit is a byte; L is the 64K signaling link way of institute in the TD-SCDMA network centralized monitoring system scope of being monitored, and S is a link payload bit speed, and m is the two-way load when 64K signaling link hurries in the TD-SCDMA network, and unit is a byte; δ is a day to busy hour ratio, and N is the preservation fate of original signaling message; Wherein, δ is a day to busy hour ratio, is busy-hour traffic and the ratio of whole day traffic carrying capacity, and so-called busy-hour traffic is meant one hour traffic carrying capacity of information interaction amount maximum, and usually, the span of δ is 5%--10%, and the span of N is 10-20 days;

(2) call detail record CDR memory capacity CDR_SC adopts the following formula measuring and calculating, and unit is a byte:

$\mathrm{CDR}\_\mathrm{SC}=\frac{N_{\mathrm{CDR}}\×3600\×X}{\mathrm{\δ}}\×d$

In the formula: N _CDRBe the CDR sum that produces each second when busy in the monitoring range, X be the length word joint number of average each CDR, and δ is a day to busy hour ratio, and d is a call detail record CDR preservation fate; Wherein, the span of δ is 5%--10%, and the span of d is 80-100 days;

(3) statistics memory capacity ALCD adopts the following formula measuring and calculating:

ALCD＝(ALC ₃₀+Z)×t

In the formula: ALC ₃₀Be every month occupation space of 5 minutes statisticss, unit is a byte; Z is the memory capacity that user's business statistics data need take in every month, the G of unit byte; T is the preservation moon number of statistics; Wherein, the span of t is 10-15 month.

Further, the technical parameter of TD-SCDMA network centralized monitoring system of the present invention measuring and calculating model adopts the failure rate λ of following formula calculating system:

$\mathrm{\λ}=\frac{1}{T_1}+\frac{1}{T_2}+\frac{1}{T_3}+\frac{1}{T_4}+\frac{1}{T_5}+\frac{1}{T_6}+\frac{1}{T_7}$

In the formula: T ₁Be the useful life of high resistant adapter, T ₂Be the useful life of data convergence equipment, T ₃The useful life of data collecting card, T ₄Be the useful life of data processing server, T ₅Be the useful life of database server, T ₆Be the useful life of memory disc battle array, T ₇In the useful life of memory disk, the unit of measurement in the said equipment useful life is hour.

Description of drawings

Accompanying drawing 1 is the monitoring point structural representation of TD-SCDMA network centralized monitoring system;

Accompanying drawing 2 is monitoring network layout structure schematic diagrames of TD-SCDMA network centralized monitoring system;

Accompanying drawing 3 is that the measuring and calculating parameter of the technical parameter measuring and calculating model embodiment of TD-SCDMA network centralized monitoring system of the present invention constitutes schematic diagram.

Be further described below in conjunction with the technical parameter measuring and calculating model of the drawings and specific embodiments TD-SCDMA network centralized monitoring system of the present invention.

Embodiment

Accompanying drawing 1 is the monitoring point structural representation of TD-SCDMA network centralized monitoring system.As seen from the figure, for adapting to the operation of TD-SCDMA communication system, need to introduce a large amount of new technologies.Owing to be in the process that transforms to 3G from 2G at present, the 2G/3G network equipment and operation system coexistence, therefore, the intercommunication of the running quality of TD-SCDMA network self, 2G network and 3G network and interoperability etc. all are the major issues that network operator should be paid close attention to.Monitor and control for the equipment of the whole network, realize centralized maintenance, concentrate test, centralized monitor and centralized management (will monitor and control whole network equipment usually, realize centralized maintenance, concentrate the technology of test, centralized monitor and centralized management to abbreviate concentrated monitoring as), the network test method of prior art and equipment can not meet the demands.

Usually, basic demand to TD-SCDMA network centralized monitoring system is to gather all kinds of signalings and protocol data in every way, carry out the decoding of signaling and agreement, synthetic call detail record CDR, reproduce the business continuing overall process, carry out network and professional all kinds of indicator-specific statistics, thereby make network maintenance staff's grasp and phase-split network and service operation situation.Characteristics such as obviously, TD-SCDMA network centralized monitoring system should have does not influence the network operation, can reappear, data content is abundant afterwards.

According to the above-mentioned functions of TD-SCDMA network centralized monitoring system and characteristics as can be known, the function that the design of centralized monitoring system, planning will directly have influence on centralized monitoring system realizes, and such as technical parameters such as system equipment quantity, server stores capacity and system reliabilities, design, planning to centralized monitoring system have and important effect, and efficient and the accuracy that improves centralized monitoring system design, planning had very important meaning.

Accompanying drawing 2 is monitoring network layout structure schematic diagrames of TD-SCDMA network centralized monitoring system.As seen from the figure, TD-SCDMA network centralized monitoring system generally includes high resistant adapter, data convergence equipment, data collecting card, data processing server, database server, memory disc battle array and memory disk, wherein:

The high resistant adapter: be used for directly the 2Mb/s mouth image data from the Signaling System Number 7 link, high-ohmic cross-connection inserts not can the interrupt network business, can not exert an influence to network;

Data convergence equipment: be used to restrain the E1 link of a plurality of dispersions, can improve the device resource utilance;

Data collecting card: be used for the collection of signaling initial data, system adopts the method for disperseing convergence, concentrating collection;

Data processing server: the data that are used for gathering sort, and go heavily, and carry out CDR and TDR is synthetic;

Database server: be used to move various statistical analyses, the association of multistage multi-protocols and storage and query processing;

Memory disc battle array and disk: be used to store the information that comprises initial data and call detail record CDR, statistics.

Obviously, data processing server, database server and application server can be arranged at same physical equipment, also can and handle burden requirement according to system scale, are distributed on many physical equipments and realize.

Accompanying drawing 3 is that the measuring and calculating parameter of the technical parameter measuring and calculating model embodiment of TD-SCDMA network centralized monitoring system of the present invention constitutes schematic diagram.As seen from the figure, the technical parameter of TD-SCDMA network centralized monitoring system of the present invention measuring and calculating model comprises that three technical parameters such as useful life of convergence equipment quantity, server stores capacity and system to centralized monitoring system calculate.Wherein:

(1) adopts following formula measuring and calculating convergence equipment quantity

In the formula: NDXC is a convergence equipment quantity, and NSL is tested signaling link way, the round numbers of " " ecbatic;

(2) adopt following formula measuring and calculating server stores capacity:

$\mathrm{ATSC}=\frac{\mathrm{TSC}}{R}$

In the formula: ATSC is the server stores capacity, and unit is a byte; TSC is the required total memory capacity of disk array of storage data, and unit is a byte; R is the effective rate of utilization of server memory, and value is 50%--80%;

(3) adopt following formula to calculate the useful life of centralized monitoring system:

${\mathrm{SYS}}_{\mathrm{MTBF}}=\frac{1}{\mathrm{\λ}}=\frac{1}{\underset{i=1}{\overset{7}{\mathrm{\Σ}}}\frac{1}{T_i}}$

In the formula: SYS _MTBFBe the life-span of centralized monitoring system, unit is hour; λ is the failure rate of system, T _iBe the useful life of i equipment, i=1,2,3 ..., be natural number.

To comprehensively set forth at the technic relization scheme that the measuring and calculating of convergence equipment quantity, the measuring and calculating of server stores capacity, system are calculated aspect three useful life below.

1, convergence equipment quantity measuring and calculating

Monitoring signaling need be monitored the two-way signaling in the signaling network, and therefore, a monitored link for the convergence module of signaling monitoring system, can take two input ports.Be considered to principle, the convergence equipment with 32 input ports can be restrained 16 monitored signaling links, then:

In the formula: NDXC is a front end convergence equipment quantity, and NSL is tested signaling link way, the round numbers of " " ecbatic.

2, server stores capacity measuring and calculating

The data owner of server stores will comprise: three class data such as original signaling message, call detail record CDR and statistics.Usually, the pot-life of original signaling message, call detail record CDR and statistics has nothing in common with each other, and its shared memory capacity also has nothing in common with each other.In view of the above, respectively to the memory capacity of the memory capacity of the memory capacity of original signaling message, call detail record CDR and statistics calculate,

(1) original signaling message memory capacity measuring and calculating

1. the Signaling System Number 7 link capacity calculates

If two-way load was m when the 64K signaling link was busy in the TD-SCDMA network, day to busy hour ratio is δ, and link payload bit speed is S, and then the signaling byte number SLBN of signaling link carrying every day can be tried to achieve by following formula, and unit is a byte.

$\mathrm{SLBN}=\frac{S}{8}\×3600\×\frac{m}{\mathrm{\δ}}$

Usually, the span of day to busy hour ratio δ is 5%--10%;

Establish the scope that TD-SCDMA network centralized monitoring system monitored again and comprise L bar 64K signaling link altogether, and the data holding time be N days, then the memory capacity SLLN that original signaling message needs in N days can be tried to achieve by following formula, unit is a byte.

SLLN＝SLBN×L×N

The measuring and calculating of 2. actual original signaling message storage demand capacity

Owing to when preserving original signaling message, need add additional informations such as informed source, timestamp, these additional informations need increase by 15% memory capacity, then preserving the N days needed actual storage capacity of original signaling message MCC can be tried to achieve by following formula, and unit is a byte:

$\mathrm{MCC}=\mathrm{SLLN}\×1.15=L\×(\frac{S}{8}\×3600\×\frac{m}{\mathrm{\δ}})\×N\×1.15$

Usually, the time that original signaling message need be preserved is 10-20 days, and therefore, the span of above-mentioned various middle N is 10-20 days.

(2) call detail record CDR memory capacity measuring and calculating

If the call detail record CDR that produces each second when busy in the monitoring range adds up to N _CDRIndividual, on average the length of each call detail record CDR is X byte, and day to busy hour ratio is δ, and then the required memory capacity SC of call detail record CDR every day can be tried to achieve by following formula, and unit is a byte:

$\mathrm{SC}=\frac{N_{\mathrm{CDR}}\×3600\×X}{\mathrm{\δ}}$

Usually, the span of day to busy hour ratio δ is 5%--10%;

Preservation fate as call detail record CDR is d, then preserves d days call detail record CDR memory capacity CDR_SC and can be tried to achieve by following formula, and unit is a byte:

$\mathrm{CDR}\_\mathrm{SC}=\frac{N_{\mathrm{CDR}}\×3600\×X}{\mathrm{\δ}}\×d$

Usually, the pot-life of call detail record CDR is 80-100 days, and therefore, the span of d is 80-100 days.

(3) statistics memory capacity measuring and calculating

Statistics comprises the statistics (being only to do the operational indicator statistics within n minute a time) that each operational indicator was carried out according to n minute the time interval, according to system's support C statistical counter calculating simultaneously, each statistical information takies Y byte, then statistics required memory capacity ALC every day can be tried to achieve by following formula, and unit is a byte:

$\mathrm{ALC}=\frac{C\×Y\×60\×24}{n}$

The business statistics time interval of supposing the system is 5 minutes, so every month occupation space ALC of 5 minutes statisticss ₃₀For:

$\mathrm{AL}{C}_{30}=\frac{C\×Y\×60\×24}{n}\×30$

According to the difference that the user requires statistical indicator, user's business statistics also need take certain memory capacity, and establishing the memory capacity that user's business statistics data need take in every month is Z, and unit is the G byte; The preservation storage time limit of statistics is t month; Then statistics memory capacity ALCD can be tried to achieve by following formula, and unit is a byte:

ALCD＝(ALC ₃₀+Z)×t

Usually, the pot-life of statistics is 10-15 month, and therefore, the span of t is 10-15 month.

(4) server stores capacity measuring and calculating

The required total memory capacity TSC of disk array of storage data comprises: three parts such as original signaling message memory capacity MCC, call detail record CDR memory capacity CDR_SC and statistics memory capacity ALCD, can try to achieve by following formula, and unit is a byte:

TSC＝MCC+CDR_SC+ALCD

Consider to adopt Redundant Array of Inexpensive Disc 5, be that RAID5 guarantees data reliability, and hard disk of every storage box Hot Spare, the memory capacity of server can not 100% be used to store above-mentioned three class data, if the effective rate of utilization of server memory is R, the i.e. ratio of memory capacity and memory total capacity, then the memory capacity of centralized monitoring system actual needs configuration can be tried to achieve by following formula, and unit is a byte:

$\mathrm{ATSC}=\frac{\mathrm{TSC}}{R}$

According to above-mentioned measuring and calculating, the reasonable memory capacity of selected equipment.The demand of storage has not only been considered in above-mentioned measuring and calculating, has also considered redundant situation, therefore, can improve utilization rate of equipment and installations as far as possible, and cost economizes on resources.Usually, the effective rate of utilization of server memory is that the span of R is 50%--80%.

3, system reliability measuring and calculating

As shown in Figure 2, centralized monitoring system mainly comprises: high resistant adapter, data convergence equipment, capture card, data processing server, database server, memory disc battle array and memory disk.Obviously, directly have influence on the useful life of whole centralized monitoring system the useful life of the said equipment.If be respectively (unit for hour) useful life of above-mentioned each equipment:

Be T the useful life of high resistant adapter ₁

Be T the useful life of data convergence equipment ₂

Be T the useful life of capture card ₃

Be T the useful life of data processing server ₄

Be T the useful life of database server ₅

Be T the useful life of memory disc battle array ₆

Be T the useful life of memory disk ₇

And the distribution probability density in electronic equipment useful life is the exponentially form, that is:

$f_X\left(x\right)=\left\{\begin{array}{c}\mathrm{\λ}{e}^{-\mathrm{\λx}},x>0\\ 0,x\≤0\end{array}\right.$

According to the electronic equipment that exponential form distributes, its useful life and electronic equipment failure rate λ are reciprocal relation, that is:

$\mathrm{MTBF}=\frac{1}{\mathrm{\λ}}$

In the formula: MTBF is the useful life of electronic equipment, and λ is the failure rate of electronic equipment.

In addition, according to the normalization of probability, the failure rate of electronic equipment and availability factor sum are 1.Can be respectively in the hope of the failure rate of above-mentioned each electronic equipment thus:

High resistant adapter failure rate: 1/T ₁

Data convergence equipment failure rate: 1/T ₂

Capture card failure rate: 1/T ₃

The failure rate of data processing server: 1/T ₄

The failure rate of database server: 1/T ₅

The failure rate of memory disc battle array: 1/T ₆

The failure rate of memory disk: 1/T ₇

Obviously, a component failure is arranged in centralized monitoring system, whole system will lose efficacy, and therefore, the failure rate λ of whole system is the failure rate sum of each parts, that is:

$\mathrm{\λ}=\frac{1}{T_1}+\frac{1}{T_2}+\frac{1}{T_3}+\frac{1}{T_4}+\frac{1}{T_5}+\frac{1}{T_6}+\frac{1}{T_7}$

Therefore, the life-span of centralized monitoring system is:

${\mathrm{SYS}}_{\mathrm{MTBF}}=\frac{1}{\mathrm{\λ}}=\frac{1}{\underset{i=1}{\overset{7}{\mathrm{\Σ}}}\frac{1}{T_i}}$

In the formula: SYS _MTBFBe the life-span of centralized monitoring system, unit is hour; λ is the failure rate of system, T _iBe the useful life of i equipment, i=1,2,3 ..., be natural number.

In sum, the technical parameter of TD-SCDMA network centralized monitoring system of the present invention measuring and calculating model can be calculated convergence equipment quantity, server stores capacity and system reliability comparatively accurately.Therefore, the technical parameter measuring and calculating model of centralized monitoring system of the present invention is the design of TD-SCDMA network centralized monitoring system, the model that planning has proposed a kind of quantification, can carry out reasonable disposition to monitoring network according to this model, avoid the waste and the deficiency of communication equipment resource, effectively cut operating costs, improve the device resource utilance.

Claims (6)

1. the technical parameter of TD-SCDMA network centralized monitoring system measuring and calculating model is characterized in that: (1) employing following formula measuring and calculating convergence equipment quantity

In the formula: NDXC is a convergence equipment quantity, and NSL is tested signaling link way, the round numbers of " " ecbatic; (2) adopt following formula measuring and calculating server stores capacity:

$\mathrm{ATSC}=\frac{\mathrm{TSC}}{R}$

In the formula: ATSC is the server stores capacity, and unit is a byte; TSC is the required total memory capacity of disk array of storage data, and unit is a byte; R is the effective rate of utilization of server memory, and value is 50%--80%;

(3) adopt following formula to calculate the useful life of centralized monitoring system:

${\mathrm{SYS}}_{\mathrm{MTBF}}=\frac{1}{\mathrm{\λ}}=\frac{1}{\underset{i=1}{\overset{7}{\mathrm{\Σ}}}\frac{1}{T_i}}$

In the formula: SYS _MTBFBe the life-span of centralized monitoring system, unit is hour; λ is the failure rate of whole system, T _iBe the useful life of i equipment, unit is hour; I=1,2,3 ..., be natural number.

2. according to the technical parameter measuring and calculating model of the described TD-SCDMA network of claim 1 centralized monitoring system, it is characterized in that: adopt the required total memory capacity TSC of disk array of following formula measuring and calculating storage data, unit is a byte:

TSC＝MCC+CDR_SC+ALCD

In the formula: TSC is the required total memory capacity of disk array of storage data, and unit is a byte; MCC is an origination message memory capacity, and unit is a byte; CDR_SC is a call detail record CDR memory capacity, and unit is a byte; ALCD is a statistics memory capacity, and unit is a byte; Wherein:

(1) original signaling message memory capacity MCC adopts the following formula measuring and calculating:

$\mathrm{MCC}=\mathrm{SLLN}\×1.15=L\×(\frac{S}{8}\×3600\×\frac{m}{\mathrm{\δ}})\×N\×1.15$

In the formula: SLLN is N days the required memory capacity of original signaling message of preservation, and unit is a byte; L is the 64K signaling link way of institute in the TD-SCDMA network centralized monitoring system scope of being monitored, and S is a link payload bit speed, and m is the two-way load when 64K signaling link hurries in the TD-SCDMA network, and unit is a byte; δ is a day to busy hour ratio, and N is the preservation fate of original signaling message; Wherein, δ is a day to busy hour ratio, is busy-hour traffic and the ratio of whole day traffic carrying capacity, and so-called busy-hour traffic is meant one hour traffic carrying capacity of information interaction amount maximum, and the span of δ is 5%--10%; The span of N is 10-20 days;

(2) call detail record CDR memory capacity CDR_SC adopts the following formula measuring and calculating, and unit is a byte:

$\mathrm{CDR}\_\mathrm{SC}=\mathrm{SC}\×d=\frac{N_{\mathrm{CDR}}\×3600\×X}{\mathrm{\δ}}\×d$

In the formula: SC is the required memory capacity of call detail record CDR every day, and unit is byte: N _CDRBe the sum of the call detail record CDR that produces each second when busy in the monitoring range, unit be individual; X is the length of average each call detail record CDR, and unit is a byte; δ is a day to busy hour ratio, and span is 5%--10%, and d preserves fate for call detail record CDR, and span is 80-100 days.

(3) statistics memory capacity ALCD adopts the following formula measuring and calculating:

ALCD＝(ALC ₃₀+Z)×t

In the formula: ALC ₃₀Be every month occupation space of 5 minutes statisticss, unit is a byte; Z is the memory capacity that user's business statistics data need take in every month, the G of unit byte; T is the preservation moon number of statistics; Wherein, the span of t is 10-15 month.

3. according to the technical parameter measuring and calculating model of the described TD-SCDMA network of claim 2 centralized monitoring system, it is characterized in that: the memory capacity SLLN that preserves original signaling message needs in N days can be tried to achieve by following formula:

If two-way load was m when the 64K signaling link was busy in the TD-SCDMA network, day to busy hour ratio is δ, and link payload bit speed is S, and then the signaling byte number SLBN of signaling link carrying every day can be tried to achieve by following formula, and unit is a byte.

$\mathrm{SLBN}=\frac{S}{8}\×3600\×\frac{m}{\mathrm{\δ}}$

Usually, the span of day to busy hour ratio δ is 5%--10%;

Establish the scope that TD-SCDMA network centralized monitoring system monitored again and comprise L bar 64K signaling link altogether, and the data holding time be N days, then the memory capacity SLLN that original signaling message needs in N days can be tried to achieve by following formula, unit is a byte.

SLLN＝SLBN×L×N

4. according to the technical parameter measuring and calculating model of the described TD-SCDMA network of claim 2 centralized monitoring system, it is characterized in that: the required memory capacity SC of call detail record CDR every day can be tried to achieve by following formula:

$\mathrm{SC}=\frac{N_{\mathrm{CDR}}\×3600\×X}{\mathrm{\δ}}$

In the formula: SC is the required memory capacity of call detail record CDR every day, and unit is byte: N _CDRBe the sum of the call detail record CDR that produces each second when busy in the monitoring range, unit be individual; X is the length of average each call detail record CDR, and unit is a byte; δ is a day to busy hour ratio, and span is 5%--10%.

5. according to the technical parameter measuring and calculating model of the described TD-SCDMA network of claim 2 centralized monitoring system, it is characterized in that: every month occupation space ALC of 5 minutes statisticss ₃₀Can try to achieve by following formula:

${\mathrm{ALC}}_{30}=\frac{C\×Y\×60\×24}{n}\×30$

In the formula: ALC ₃₀Be the memory space that 5 minutes statisticss took in every month, unit is a byte; The counter quantity that C adds up when being system's support, unit is individual; The memory space that each statistical information of Y takies, unit are byte, and n is the time interval of whenever once adding up, and only do the operational indicator statistics within promptly n minute one time.

6. according to the technical parameter measuring and calculating model of the described TD-SCDMA network of claim 1 centralized monitoring system, it is characterized in that: the failure rate λ that adopts the following formula calculating system:

$\mathrm{\λ}=\frac{1}{T_1}+\frac{1}{T_2}+\frac{1}{T_3}+\frac{1}{T_4}+\frac{1}{T_5}+\frac{1}{T_6}+\frac{1}{T_7}$

In the formula: T ₁Be the useful life of high resistant adapter, T ₂Be the useful life of data convergence equipment, T ₃The useful life of data collecting card, T ₄Be the useful life of data processing server, T ₅Be the useful life of database server, T ₆Be the useful life of memory disc battle array, T ₇In the useful life of memory disk, the unit of measurement in the said equipment useful life is hour.

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