CN102076002B - Method for acquiring wireless network utilization ratio of GSM (Global System for Mobile Communication) - Google Patents

Method for acquiring wireless network utilization ratio of GSM (Global System for Mobile Communication) Download PDF

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CN102076002B
CN102076002B CN2010106015642A CN201010601564A CN102076002B CN 102076002 B CN102076002 B CN 102076002B CN 2010106015642 A CN2010106015642 A CN 2010106015642A CN 201010601564 A CN201010601564 A CN 201010601564A CN 102076002 B CN102076002 B CN 102076002B
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busy
rate
sdcch
cell
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CN102076002A (en
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苗守野
马红兵
叶青
王睿
黄志勇
孙碧涛
陈国利
杨剑键
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China United Network Communications Group Co Ltd
China Information Technology Designing and Consulting Institute Co Ltd
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China Information Technology Designing and Consulting Institute Co Ltd
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Abstract

本发明提供一种全球移动通信系统无线网络利用率的获取方法，该方法包括：移动综合网管系统从无线操作维护中心获取网络参数，所述移动综合网管系统根据获取的所述网络参数，获取全球移动通信系统无线网络利用率。本发明提出的全球移动通信系统无线网络利用率获取的方法通过引入了数据业务话务量，SDCCH信令信道话务量、半速率语音话务量补偿修正、系统忙时与BSC忙时不一致修正、小区呼损率异常补偿修正等各种网络因素，得到了更为全面准确的GSM无线网络利用率，能够更客观的反映GSM无线网络资源利用情况，为网络优化和网络扩容提供参考依据。

Figure 201010601564

The present invention provides a method for obtaining the utilization rate of the wireless network of the global mobile communication system. Utilization of wireless network in mobile communication system. The method for obtaining the wireless network utilization rate of the global system for mobile communication proposed by the present invention introduces data service traffic, SDCCH signaling channel traffic, half-rate voice traffic compensation correction, and inconsistent correction between the system busy time and the BSC busy time Various network factors such as abnormal compensation and correction of cell call loss rate have obtained a more comprehensive and accurate GSM wireless network utilization rate, which can more objectively reflect the utilization of GSM wireless network resources and provide a reference for network optimization and network expansion.

Figure 201010601564

Description

The acquisition methods of global system for mobile communications wireless network utilance
Technical field
The present invention relates to a kind of acquisition methods of wireless network utilance, relate in particular to a kind of acquisition methods of global system for mobile communications wireless network utilance.
Background technology
At Mobile Network Operator operation global system for mobile communications (Global System for MobileCommunications, to call GSM in the following text) during wireless network, need in mobile Integrated Network Management System, monitor gsm wireless network utilization index, hold the situation of present gsm wireless network resource utilization in real time, for the network optimization and the network capacity extension provide reference frame.
Because the GSM network is mainly runed the voice call business before, so operator according to the GSM Network in the method for obtaining gsm wireless network utilization index at present, only considered Traffic Channel (Traffic Channel, to call TCH in the following text) the voice channel telephone traffic, operator uses following formula at Integrated Network Management System according to the network parameter that obtains and obtains the gsm wireless network utilization
Figure BDA0000039998140000011
(formula 1)
Wherein:
α represents the gsm wireless network utilization;
A TchVoice telephone traffic amount during the expression system busy;
I represents i sub-district of the whole network;
Tch iThe TCH number of available channels (containing Dynamic Packet data channel (Packet Data Channel is to call PDCH in the following text)) of representing i cell configuration;
Static PDCH iThe static PDCH number of channel of i cell configuration of expression the whole network;
N represents the total number in the whole network sub-district;
E represents the sub-district target percent of call lost, gets 2%;
GETA is according to Irish B formula, calculates the function of traffic capacity with the number of channel and the percent of call lost.
But differentiation along with GSM networks development and user's request, the composition of GSM network traffic changes gradually, do not consider PDCH data service telephone traffic in the present gsm wireless network utilization acquisition methods, Separate Dedicated Control Channel (Stand-Alone Dedicated ControlChannel, to call SDCCH in the following text) the signaling channel telephone traffic, the half-rate speech telephone traffic, during system busy and base station controller (Base Station Controller, to call BSC in the following text) inconsistent when hurrying, the sub-district percent of call lost waits the several factors that influences the GSM network utilization unusually, and the wireless network utilance that causes obtaining can not fully objectively reflect the utilization of resources situation of current network.
Summary of the invention
At the above-mentioned defective that exists in the prior art, it is more comprehensive to the present invention proposes a kind of Consideration, the gsm wireless network utilization acquisition methods of more realistic network presence.
The invention provides a kind of acquisition methods of global system for mobile communications wireless network utilance, comprising:
Mobile Integrated Network Management System obtains network parameter from the radio operation maintenance centre, and described network parameter comprises: the SDCCH number of each cell configuration in the static PDCH number of each cell configuration in the whole network, the PDCH of each cell configuration took in the whole network when BSC was busy duration, the whole network, the TCH number of each cell configuration in each sub-district SDCCH telephone traffic, the whole network in the whole network when BSC is busy, the actual percent of call lost of each sub-district TCH in the whole network when BSC is busy, the whole network half-rate speech telephone traffic when the whole network voice telephone traffic amount, system busy when each sub-district voice telephone traffic amount, system busy in the whole network when BSC is busy;
Described mobile Integrated Network Management System obtains the gsm wireless network utilization according to the described network parameter that obtains.
The acquisition methods of the gsm wireless network utilization that the present invention proposes is by having introduced the data service telephone traffic, variety of network factors such as the compensation of SDCCH signaling channel telephone traffic, half-rate speech telephone traffic is revised, inconsistent correction when hurrying with BSC during system busy, sub-district percent of call lost abnormal compensating correction, obtained more comprehensive and accurate gsm wireless network utilization, utilization of resources situation that can more objective reflection gsm wireless network is for the network optimization and the network capacity extension provide reference frame.
Description of drawings
Fig. 1 is the acquisition methods embodiment flow chart of gsm wireless network utilization of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Do not consider the various complicated factors of network fully at the present gsm wireless network utilization acquisition methods of Mobile Network Operator, the defective of the loading condition that assessment network that can not entirely accurate is current, it is more comprehensive to the present invention proposes a kind of Consideration, the gsm wireless network utilization acquisition methods of more realistic network presence.
Fig. 1 is the acquisition methods embodiment flow chart of gsm wireless network utilization of the present invention.As shown in Figure 1, this method comprises:
Step 100, mobile Integrated Network Management System obtains network parameter from the radio operation maintenance centre;
Particularly, described network parameter comprises: the static Packet Data Channel number of each cell configuration in the whole network, the duration that the Packet Data Channel of each cell configuration took in the whole network when base station controller was busy, the Separate Dedicated Control Channel number of each cell configuration in the whole network, each sub-district Separate Dedicated Control Channel telephone traffic in the whole network when base station controller is busy, the Traffic Channel number of each cell configuration in the whole network, the actual percent of call lost of each Zone channel in the whole network when base station controller is busy, each sub-district voice telephone traffic amount in the whole network when base station controller is busy, the whole network voice telephone traffic amount during system busy, the whole network half-rate speech telephone traffic during system busy;
Step 101, described mobile Integrated Network Management System obtains global system for mobile communications wireless network utilance according to the described network parameter that obtains.
For example in the present embodiment, mobile Integrated Network Management System is used following formula according to the described network parameter that obtains and is obtained described global system for mobile communications wireless network utilance:
Figure BDA0000039998140000041
Wherein:
α represents the gsm wireless network utilization;
I represents i sub-district of the whole network;
J represents j BSC of the whole network;
K represents that the whole network percent of call lost is smaller or equal to 2% sub-district number;
L represents that the whole network percent of call lost is greater than 2% sub-district number;
N represents the total number in the whole network sub-district, K+L=N;
M represents the total number of the whole network BSC;
A Pdch jmaxThe data equivalence telephone traffic of representing peak hour among j the BSC one day 24 hours;
Data equivalence telephone traffic
Figure BDA0000039998140000042
A Sd jmaxThe SDCCH telephone traffic of representing peak hour among j the BSC one day 24 hours;
A Tch i ERepresent that the actual percent of call lost (containing switching rate) is smaller or equal to 2% i the sub-district voice telephone traffic amount when BSC is busy;
A TchThe whole network voice telephone traffic amount during the expression system busy;
A Tch/HSThe whole network half-rate speech telephone traffic during the expression system busy;
Tch iThe TCH number of available channels of representing i cell configuration;
N represents the total number in the whole network sub-district;
Static PDCH SExpression system configuration PDCH static channel number;
1erl represents 1 Ireland;
SDCCH iThe SDCCH number of channel of representing i cell configuration;
E represents the target percent of call lost, gets 2%;
The target percent of call lost of E ' expression SDCCH channel, when SDCCH/4 disposed, the SDCCH percent of call lost was 50% of the TCH percent of call lost, promptly 1%; When SDCCH/8 disposed, the SDCCH percent of call lost was 25% of the TCH percent of call lost, promptly 0.5%;
E iRepresent the actual percent of call lost (contain switching rate) of the actual percent of call lost (containing switching rate) greater than 2% i sub-district;
GETA is according to Irish B formula, calculates the function of traffic capacity with the number of channel and the percent of call lost.
At first introduced the data service telephone traffic in the present embodiment.Because along with general packet radio service (General Packet Radio Service, GPRS), improve GSM evolution technology (the Enhanced Data rate for GSM Evolution of data rate, EDGE) etc. after data service is carried out in a large number, can produce a very large impact the wireless network utilance, especially the bigger big city of some data traffics has badly influenced the accuracy of obtaining the gsm wireless network utilization.Therefore in the molecule of above-mentioned formula, introduced the actual data equivalence telephone traffic that produces in the system, introduced PDCH static channel number as Systems Theory design data traffic capacity in denominator, dynamically the data service telephone traffic of PDCH channel generation is included in the theoretical traffic capacity of TCH of denominator.
Secondly, introduced the SDCCH telephone traffic.Because on the SDCCH channel, also can finish a series of traffic incidents, comprise: the signaling before the call setup continues, (comprising periodic location update), IMIS are upgraded in the position, and (Integrated Management Information System IMIS) adheres to/separate, short message etc.These call events can produce telephone traffic equally on SDCCH.Simultaneously, when call proceeding, if there is not available SDCCH channel, system substitutes the transmission that the SDCCH channel is finished signaling message with direct distribution T CH channel, and this situation is wasted resource very much.As seen the congested lifting that may cause the TCH telephone traffic of SDCCH.So perfect gsm wireless network utilization obtains also should be included with SDCCH utilization of resources situation.Therefore introduced the actual SDCCH telephone traffic that produces in the system in the molecule of formula, with the theoretical SDCCH design of the traffic model computing system traffic capacity of SDCCH simulation TCH, percent of call lost value and TCH are different certainly in denominator.
Simultaneously, revised the influence of half-rate speech telephone traffic.Because being the full-speed voice telephone traffic, the TCH voice telephone traffic amount of the actual generation of system in the molecule adds total voice telephone traffic amount of half-rate speech telephone traffic, can significantly absorb traffic if enable half rate so in a large number, thereby raised molecule, made the wireless network utilance of obtaining higher.In order to revise this deviation, in the time of can in denominator, calculating Systems Theory voice design telephone traffic, add and open the corresponding telephone traffics of calculating of half rate more.
When simultaneously, having revised system busy and BSC inconsistent problem when busy.Because the period of right time in the system when peak hour of each BSC and system busy is also inequality probably.Inconsistent during with system busy when if the BSC of most of BSC is busy, there is some difference must to cause the wireless network utilance obtained and real network to be loaded.Therefore consider the problem when BSC is busy, molecule is taken as each BSC telephone traffic sum when busy, but not the total traffic when directly going system busy.
Simultaneously, revised the unusual cell telephone traffic amount of the percent of call lost.In GSM network planning design, the sub-district target percent of call lost in city all gets 2% at present, if the actual percent of call lost (containing switching rate) of certain sub-district surpasses 2% in the city, can think that then this sub-district has been in abnormal condition.If there is the actual percent of call lost (containing switching rate) of part sub-district to surpass 2% in the network, then can think system's overload operation, this moment, the offered traffic of system will be greater than the telephone traffic of finishing of system, because the actual percent of call lost (the containing switching rate) lost traffic that lifting brings be can not ignore, and should compensate.Therefore, in algorithm, the actual percent of call lost (containing switching rate) surpassed the actual percent of call lost (containing switching rate) of 2% sub-district and the number of channel and in molecule, replace original sub-district TCH telephone traffic, obtain the offered traffic of this sub-district reality by the telephone traffic of looking into ERL-B and showing to obtain.
Specifically, when mobile Integrated Network Management System when obtaining the BSC duration that the PDCH of each cell configuration takies the whole network when busy from the radio operation maintenance centre, can obtain the PDCH average (duration that PDCH takies/3600) that each sub-district takies, i.e. the data equivalence telephone traffic A of each sub-district when BSC is busy Pdch, to its data equivalence telephone traffic of suing for peace and to obtain N sub-district in the whole network.
When mobile Integrated Network Management System according to obtaining BSC from the radio operation maintenance centre when busy the whole network during the SDCCH telephone traffic of each sub-district, can obtain the SDCCH telephone traffic A of each sub-district when BSC is busy SdTo its SDCCH telephone traffic of suing for peace and to obtain N sub-district in the whole network.
When mobile Integrated Network Management System according to obtain BSC each sub-district voice telephone traffic amount the whole network when busy from the radio operation maintenance centre, the actual percent of call lost of each sub-district TCH when the TCH of each cell configuration counts when (containing switching rate), in the whole network in the whole network when BSC is busy, target percent of call lost E all gets 2% when the sub-district in city, if the actual percent of call lost (containing switching rate) that K sub-district arranged in the whole network N sub-district is smaller or equal to 2%, the voice telephone traffic amount of each sub-district when BSC is busy is A so Tch i E, be exactly that the actual percent of call lost (containing switching rate) is smaller or equal to the voice telephone traffic amount of 2% all sub-districts when BSC is busy with the voice telephone traffic amount addition when BSC is busy of K sub-district; If the actual percent of call lost (containing switching rate) that L sub-district arranged is greater than 2%, just according to Irish B formula, by the GETA function with the TCH number of each cell configuration and the percent of call lost (the containing switching rate) E of reality separately iCalculating traffic capacity separately, is exactly the actual percent of call lost (containing switching rate) E after the addition iThe voice telephone traffic amount of L greater than 2% sub-district when BSC is busy replaces original L sub-district TCH telephone traffic, obtains the offered traffic of L sub-district reality.
SDCCH telephone traffic, the actual percent of call lost (containing switching rate) of N sub-district in the equivalent telephone traffic of the data of N sub-district in above-mentioned the whole network that draws, the whole network are sued for peace as the molecule in the formula that obtains wireless network utilance method greater than 2% the voice telephone traffic amount of L sub-district when BSC is busy smaller or equal to 2% voice telephone traffic amount, the actual percent of call lost (containing switching rate) of K sub-district when BSC is busy;
When mobile Integrated Network Management System according to the whole network voice telephone traffic amount A when the radio operation maintenance centre obtains system busy Tch, the whole network half-rate speech telephone traffic A during system busy Tch/HSThe time, according to Irish B formula, obtain the Systems Theory voice by the GETA function with the TCH number of N in the whole network each cell configuration of sub-district and target percent of call lost E and design telephone traffic; The whole network half-rate speech telephone traffic A when Systems Theory voice design telephone traffic and system busy Tch/HSThe whole network voice telephone traffic amount A during with system busy TchRatio A Tch/HS/A TchThe corresponding voice telephone traffic amounts of calculating of half rate are opened more by the system that obtains that multiplies each other.
When mobile Integrated Network Management System when obtaining from the radio operation maintenance centre that the static PDCH of each cell configuration counts the whole network, can obtain static PDCH numbers all in the whole network after the summation and multiply by an Ireland again and obtain Systems Theory data equivalence design telephone traffic.
When mobile Integrated Network Management System when obtaining from the radio operation maintenance centre that the SDCCH of each cell configuration counts the whole network, can be according to Irish B formula, obtain Systems Theory SDCCH design traffic capacity by the GETA function with the SDCCH number and the target percent of call lost E ' of each cell configuration.Specifically, if the SDCCH number of channel of cell configuration is 4 o'clock, SDCCH percent of call lost E ' is 50% of the TCH percent of call lost, promptly 1%; If the SDCCH number of channel of cell configuration is 8 o'clock, SDCCH percent of call lost E ' is 25% of the TCH percent of call lost, promptly 0.5%, then can draw the Systems Theory SDCCH design traffic capacity of each sub-district, and after the summation Systems Theory SDCCH design traffic capacity.
The corresponding voice telephone traffic amounts of calculating with the unlatching half rate of the above-mentioned Systems Theory voice design telephone traffic that draws, Systems Theory data equivalence design telephone traffic, Systems Theory SDCCH are designed the traffic capacity summation as the denominator that obtains in the wireless network utilance method formula more;
The percentage of the ratio of above-mentioned molecule and denominator is gsm wireless network utilization α.
According to gsm wireless network utilization acquisition methods proposed by the invention, in part districts and cities of CHINAUNICOM, gather the GSM of UNICOM existing network real data and verify, as shown in table 1:
Table 1
Districts and cities Original acquisition methods The invention acquisition methods
Districts and cities A 33.66％ 48.45％
Districts and cities B 27.97％ 42.64％
Districts and cities C 46.83％ 65.06％
Districts and cities D 28.80％ 31.66％
According to gsm wireless network utilization acquisition methods provided by the invention as can be seen, this method synthesis has been considered more complicated factor in the network, present situation than original more realistic network of acquisition methods, the utilization of resources situation of can be more accurate objective reflection GSM existing network is for the network optimization and the network capacity extension provide reference frame.
The method that the gsm wireless network utilization that the present invention proposes obtains is by having introduced the data service telephone traffic, variety of network factors such as the compensation of SDCCH signaling channel telephone traffic, half-rate speech telephone traffic is revised, inconsistent correction when hurrying with BSC during system busy, sub-district percent of call lost abnormal compensating correction, obtained more comprehensive and accurate gsm wireless network utilization, utilization of resources situation that can more objective reflection gsm wireless network is for the network optimization and the network capacity extension provide reference frame.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (1)

1.一种全球移动通信系统无线网络利用率的获取方法，其特征在于，包括：1. A method for obtaining the wireless network utilization rate of the Global System for Mobile Communications, characterized in that, comprising: 移动综合网管系统从无线操作维护中心获取网络参数，所述网络参数包括：全网中各小区配置的静态分组数据信道数、基站控制器忙时全网中各小区配置的分组数据信道占用的时长、全网中各小区配置的独立专用控制信道数、基站控制器忙时全网中各小区独立专用控制信道话务量、全网中各小区配置的业务信道数、基站控制器忙时全网中各小区业务信道的实际呼损率、基站控制器忙时全网中各小区语音话务量、系统忙时全网语音话务量、系统忙时全网半速率语音话务量；The mobile integrated network management system obtains network parameters from the wireless operation and maintenance center, and the network parameters include: the number of static packet data channels configured by each cell in the entire network, and the time occupied by the packet data channels configured by each cell in the entire network when the base station controller is busy , the number of independent dedicated control channels configured by each cell in the entire network, the traffic volume of the independent dedicated control channels of each cell in the entire network when the base station controller is busy, the number of service channels configured by each cell in the entire network, and the total network traffic when the base station controller is busy. The actual call loss rate of the business channels of each cell, the voice traffic volume of each cell in the entire network when the base station controller is busy, the voice traffic volume of the entire network when the system is busy, and the half-rate voice traffic volume of the entire network when the system is busy; 所述移动综合网管系统根据获取的所述网络参数，获取全球移动通信系统无线网络利用率；The mobile integrated network management system obtains the wireless network utilization rate of the Global System for Mobile Communications according to the obtained network parameters; 所述移动综合网管系统根据获取的所述网络参数应用以下公式获取所述全球移动通信系统无线网络利用率：The mobile integrated network management system obtains the GSM wireless network utilization rate by applying the following formula according to the acquired network parameters:
Figure FDA00002817412500011
Figure FDA00002817412500011
 其中：in: α表示GSM无线网络利用率；α represents the utilization rate of GSM wireless network; i表示全网第i个小区；i represents the i-th cell in the whole network; j表示全网第j个BSC；j means the jth BSC in the whole network; K表示全网呼损率小于等于2％的小区数；K represents the number of cells with a call loss rate of less than or equal to 2% in the entire network; L表示全网呼损率大于2％的小区数；L represents the number of cells with a call loss rate greater than 2% in the entire network; N表示全网小区总个数，K+L＝N；N represents the total number of cells in the whole network, K+L=N; M表示全网BSC总个数；M represents the total number of BSCs in the whole network; Apdch jmax表示第j个BSC一天24小时中最忙时的数据等效话务量；A pdch jmax represents the data equivalent traffic of the jth BSC in the busiest time of 24 hours a day; 数据等效话务量
Figure FDA00002817412500021
Data Equivalent Traffic
Figure FDA00002817412500021
 Asd jmax表示第j个BSC一天24小时中最忙时的SDCCH话务量；A sd jmax represents the SDCCH traffic volume of the jth BSC during the busiest time in 24 hours a day; Atch iE表示含切换率的实际呼损率小于等于2％的第i个小区在BSC忙时的语音话务量；A tch iE represents the voice traffic volume of the i-th cell when the BSC is busy and the actual call loss rate including the switching rate is less than or equal to 2%; Atch表示系统忙时全网语音话务量；A tch indicates the voice traffic of the whole network when the system is busy; Atch/HS表示系统忙时全网半速率语音话务量； Atch/HS indicates the half-rate voice traffic of the whole network when the system is busy; Tchi表示第i个小区配置的TCH可用信道数；Tch i represents the number of TCH available channels configured in the i-th cell; 静态PDCHS表示系统配置PDCH静态信道数；Static PDCH S indicates the number of PDCH static channels configured by the system; 1erl表示1个爱尔兰；1erl means 1 Ireland; SDCCHi表示第i个小区配置的SDCCH信道数；SDCCH i represents the number of SDCCH channels configured in the i-th cell; E表示目标呼损率，取2％；E represents the target call loss rate, take 2%; E’表示SDCCH信道的目标呼损率，当SDCCH/4配置时，SDCCH呼损率为TCH呼损率的50％，即1％；当SDCCH/8配置时，SDCCH呼损率为TCH呼损率的25％，即0.5％；E' represents the target call loss rate of the SDCCH channel. When SDCCH/4 is configured, the SDCCH call loss rate is 50% of the TCH call loss rate, that is, 1%. When SDCCH/8 is configured, the SDCCH call loss rate is TCH call loss. 25% of the rate, or 0.5%; Ei表示含切换率的实际呼损率大于2％的第i个小区的含切换率的实际呼损率；E i represents the actual call loss rate containing the handover rate greater than the actual call loss rate of the i-th cell of 2%; GETA为依据爱尔兰B公式，用信道数和呼损率计算话务容量的函数。GETA is a function of calculating the traffic capacity with the number of channels and call loss rate according to the Irish B formula.
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