CN102355693B - Method and device for acquiring utilization rate of wireless network - Google Patents
Method and device for acquiring utilization rate of wireless network Download PDFInfo
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Abstract
The invention provides a method and a device for acquiring the utilization rate of a wireless network, wherein the method comprises the following steps of: acquiring network parameters such as sector quantity in a whole network, the service quantity of each service during the busy hour of a whole network system and the quantity of three kinds of sectors, namely a high allocation sector, a medium allocation sector and a low allocation sector in the whole network; and acquiring average service capacity allocated in each sector, average comprehensive service quantity during the busy hour of each sector system and the average maximum service capacity of each sector according to the network parameters, a conversion coefficient, which is acquired in advance, of each service and the load capacity corresponding to the high allocation sector, the medium allocation sector and the low allocation sector, and then acquiring the utilizing rate of the wireless network. By the method and the device for acquiring the utilization rate of the wireless network provided by the invention, a utilization rate index which can comprehensively reflect the actual utilization condition of the wireless network can be conveniently and rapidly acquired and the load condition of wireless network resources can be conveniently known by a network operator in real time.
Description
Technical field
The invention belongs to communication technical field, relate to a kind of acquisition methods and device of wireless network utilization.
Background technology
Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) system is a mixed service system, comprise speech business, visual telephone service and several data business, feature for each business, to the shared Internet resources of the traffic carrying capacity of miscellaneous service, be not unified measurement, therefore, Mobile Network Operator, when operation WCDMA system wireless network, cannot be held the actual situation of utilizing of wireless network resource all sidedly.
Summary of the invention
For the above-mentioned defect of prior art, the embodiment of the present invention provides a kind of acquisition methods and device of wireless network utilization.
The embodiment of the present invention provides a kind of acquisition methods of wireless network utilization, comprising:
Obtain network parameter, described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy;
According to the conversion factor of described network parameter and every kind of business obtaining in advance, and the contained fan procurement of reserve capacity average every sector system busy integrated service amount corresponding with described high configuration sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum respectively;
Volume of business according to described average every sector system busy integrated service amount and described average every sector maximum, obtains wireless network utilization.
The embodiment of the present invention provides a kind of acquisition device of wireless network utilization, comprising:
The first acquisition module, for obtaining network parameter, described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy;
The second acquisition module, for according to the conversion factor of described network parameter and every kind of business obtaining in advance, and respectively with the described high average every sector system busy integrated service amount of contained fan procurement of reserve capacity corresponding to sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum of configuring;
Processing module, for according to the volume of business of described average every sector system busy integrated service amount and described average every sector maximum, obtains wireless network utilization.
The acquisition methods of the wireless network utilization that the embodiment of the present invention provides and device, the conversion factor of the network parameter obtaining from network system by basis and every kind of business obtaining in advance, and configure contained fan capacity corresponding to sector, middle configuration sector and low configuration sector with height respectively, directly obtain wireless network utilization, realized and can obtain easily and fast the actual utilance index of utilizing situation of comprehensive reflection wireless network, be convenient to the load condition that operator grasps wireless network resource in real time.
Accompanying drawing explanation
Fig. 1 is the acquisition methods embodiment flow chart of wireless network utilization of the present invention;
Fig. 2 is another embodiment flow chart of acquisition methods of wireless network utilization of the present invention;
Fig. 3 is the acquisition device example structure schematic diagram of wireless network utilization of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The present invention is directed in prior art does not also have a kind of network utilization index can reflect the actual defects such as situation of utilizing of WCDMA wireless network resource in WCDMA system comprehensively, a solution has been proposed by according to the conversion factor of the network parameter obtaining and every kind of business obtaining in advance from network system, and configure sector with height respectively, the contained fan capacity that middle configuration sector and low configuration sector are corresponding, directly obtain wireless network utilization, realized and can facilitate, obtain fast the actual utilance index of utilizing situation of comprehensive reflection wireless network, be convenient to the load condition that operator grasps wireless network resource in real time.
Fig. 1 is the acquisition methods embodiment flow chart of wireless network utilization of the present invention, and as shown in Figure 1, the method comprises:
Step 100, obtains network parameter, and described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy;
WCDMA system is a mixed service system, concrete business comprises: the data service PS384 in packet domain, data service PS128, data service PS64 and high speed downlink packet access (High Speed Downlink Packet Access, HSDPA) data service, and the speech business CS12.2 in circuit domain and visual telephone service CS64, therefore, from network management system, obtain the whole network system busy time every kind of business traffic carrying capacity comprise the traffic carrying capacity of miscellaneous service in above-mentioned packet domain and circuit domain.In the whole network, each sector has been carried out different configurations according to different service needed and has been comprised: high configuration sector, middle configuration sector and low configuration sector obtain high configuration number of sectors, middle configuration number of sectors and low configuration number of sectors in the whole network from network management system.
Step 101, according to the conversion factor of described network parameter and every kind of business obtaining in advance, and the contained fan procurement of reserve capacity average every sector system busy integrated service amount corresponding with described high configuration sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum respectively;
Particularly, first, obtain in advance the conversion factor of every kind of business, because WCDMA system is a mixed service system, the dimension of the corresponding traffic carrying capacity of different business is not identical yet, specifically comprise: the business dimension of the data service PS384 in packet domain, data service PS128, data service PS64 and data service HSDPA adopts the transmission rate of every kind of business to represent, if the business dimension of data service PS 384 is 384kbps; Speech business CS12.2 in circuit domain and visual telephone service CS64 business dimension adopt 1Erl to represent, even if voice, visual telephone service all adopt the Irish Erl of equal number, but concrete shared system resource is also also unequal such as CE resource, therefore can not simply gather accumulation process integrated service amount while obtaining the whole network system busy to the traffic carrying capacity of the whole network different business, but integrated service amount when the conversion factor of the traffic carrying capacity of every kind of business and every kind of business obtaining is in advance obtained the whole network system busy during according to the whole network system busy.
The detailed process of conversion factor of obtaining in advance every kind of business is as follows:
Step 1: the average transmit power that obtains every kind of business;
Obtain the average transmit power of every kind of business in WCDMA system, in WCDMA system, propose a kind of different business to be taken to equal Radio Resource as the principle of the equivalence conversion of different business amount, in other words, if different business takies equal Radio Resource, think and can of equal value convert between the two, in WCDMA system, there is multiple radio resource, according to the statistical analysis to WCDMA system network management data, find that downlink load is about 2 times of uplink load, and in downlink resource, most important resource is exactly transmitting power, therefore, we are using taking the principle of equal transmitting power as different business amount equivalence conversion.
Step 2: obtain the traffic carrying capacity that every kind of service unit power carries according to the equal transmitting power of business dimension peace of every kind of business;
For the data service in packet domain, use the message transmission rate corresponding with this data service to obtain divided by the average transmit power of this data service the traffic carrying capacity that this data service unit power is carried; For the voice in circuit domain and visual telephone service, with 1Erl, divided by the average transmit power of voice or visual telephone service, obtain the traffic carrying capacity that voice or visual telephone service unit power are carried.
Step 3: selecting a kind of business is benchmark business, the traffic carrying capacity of carrying according to unit power corresponding to benchmark business and every kind of traffic carrying capacity that service unit power carries, obtain the conversion factor of every kind of business.
According to a kind of business of concrete application choice, be that benchmark business is unified conversion processing to the different business in WCDMA system, illustrate, according to network management data, add up WCDMA system in down transmitting power, except pilot tone, outside the consumed powers such as Common Control Channel, the power that the data service of packet domain consumes accounts for 70%, the voice of circuit domain and visual telephone service only account for approximately 30%, therefore, the ratio that data service accounts for as main body business is great, and HSDPA data service accounts for the proportion maximum of packet switch domain service, therefore, selecting HSDPA data service is that benchmark business is converted processing to all the other business, the traffic carrying capacity that the traffic carrying capacity that unit power corresponding to benchmark business carried is carried divided by every kind of service unit power respectively, obtain the conversion factor of every kind of business, conversion factor corresponding to benchmark business is 1.
Secondly, according to from network management system, obtain the whole network system busy time the traffic carrying capacity of every kind of business and the conversion factor of corresponding every kind of business obtaining by the said method in advance cumulative summation of multiplying each other again, integrated service amount while obtaining the whole network system busy, during by the whole network system busy, integrated service amount is obtained average every sector system busy integrated service amount divided by the whole network number of sectors.
Then, by the high configuration of the whole network number of sectors of obtaining from network management system, middle configuration number of sectors, low configuration number of sectors and the whole network number of sectors are obtained respectively high configuration sector, middle configuration sector and low configuration sector account for respectively the ratio of the whole network number of sectors, again respectively with obtain in advance, with height configuration sector, after contained fan capacity corresponding to middle configuration sector and low configuration sector multiplies each other, add up and obtain the contained fan quantity of average every sector, the contained fan quantity of the average every sector contained fan capacity corresponding with high configuration sector multiplied each other to obtain to the volume of business of average every sector maximum.Wherein, contained fan capacity is according to Traffic Channel and the percent of call lost of the miscellaneous service of this contained fan configuration, by ERLANG B, obtain the volume of business of the miscellaneous service of this contained fan configuration, the volume of business of the miscellaneous service obtaining is multiplied each other to obtain contained fan capacity with corresponding conversion factor, wherein, obtaining referring to above-mentioned acquisition methods of conversion factor repeats no more herein.
Step 102, the volume of business according to described average every sector system busy integrated service amount and described average every sector maximum, obtains wireless network utilization.
The acquisition methods of the wireless network utilization that the embodiment of the present invention provides, the conversion factor of the network parameter obtaining from network system by basis and every kind of business obtaining in advance, and configure contained fan capacity corresponding to sector, middle configuration sector and low configuration sector with height respectively, directly obtain wireless network utilization, realized and can obtain easily and fast the actual utilance index of utilizing situation of comprehensive reflection wireless network, be convenient to the load condition that operator grasps wireless network resource in real time.
Fig. 2 is another embodiment flow chart of acquisition methods of wireless network utilization of the present invention, applies following formula and obtains wireless network utilization, and formula is:
Wherein:
α is wireless network utilization;
A
w-avefor average every sector system busy integrated service amount;
A
1, A
2... A
ithe traffic carrying capacity of every kind of business during for the whole network system busy;
θ
iconversion factor for every kind of business;
N is the whole network number of sectors;
TRX
sfor average every sector contained fan quantity;
λ
1, λ
2, λ
3height configuration number of sectors, middle configuration number of sectors and low configuration number of sectors for the whole network;
M
a, M
b, M
cfor the contained fan capacity corresponding with height configuration sector, middle configuration sector and low configuration sector.
As shown in Figure 2, the method comprises:
Step 200, obtains network parameter, and described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy; Step 100 in detailed process embodiment shown in Figure 1 repeats no more herein.
Step 201a obtains and in indoor and outdoors environment, uses the user terminal ratio of every kind of business and the network parameter of every kind of business transmission from network management system;
The customer volume that every kind of business is used in indoor and outdoors environment is not identical with the network parameter of transmission, from network management system, obtain indoor transmitting power and outdoor transmitting power that user's ratio of the indoor and outdoors environment that uses every kind of business and the network parameter of every kind of business transmission obtain every kind of business
Step 201b, obtains indoor transmitting power and the outdoor transmitting power of every kind of business according to described network parameter application link propagation model and link budget model;
Particularly, applied link budget model is: received power=transmitting power+transmitting terminal gain-airlink propagation loss-various deposits and loss+receiving terminal gain; Link propagation model is preferably Cost231-Hata model, specific as follows:
L(Urban)＝46.3+33.9logF-13.82logHb+(44.9-6.55logHb)logd-a(Hm)+Cm
Wherein, the intermediate value propagation loss (dB) that L (Urban) is smooth urban district; F is frequency, scope 1500MHz-2000MHz; Hb is base station antenna height, scope 30-200m; Hm is mobile portable antennas height, scope 1-10m; D is propagation distance, scope 1-20km; A (Hm) is mobile portable antennas modifying factor; For small and medium-sized cities, suburb, Cm=0dB; For big city, Cm=3dB.First will be in the situation that the distance the covering location positioning of user terminal in other words, calculation base station need to be given the minimum emissive power of every kind of business of this user terminal, because WCDMA system is self-interference system, transmit power variation also can cause the variation of interference, therefore it is nonlinear that down link calculates, need repeatedly computing, detailed process is as follows:
(1) in the situation that the location positioning of user terminal, for example distance is 100 meters, and substitution link propagation model can calculate airlink loss;
(2) calculate transmitting terminal gain, i.e. feeder loss from base station transmitter to antenna opening, splicing loss, mixer loss, duplexer loss, antenna gain etc., concrete network parameter obtains from network management system;
(3) calculate receiving terminal gain, i.e. the antenna gain from user terminal reception antenna to receiver, feeder loss, splicing loss, duplexer loss etc., concrete network parameter obtains from network management system;
(4) calculate various deposits and loss, comprise rapid fading deposit, shadow fading deposit, soft handover gain, building penetration loss, human body loss etc., concrete network parameter obtains from network management system;
(5) calculate the internal noise power of receiver, relate to the parameters such as Boltzmann constant, temperature, bandwidth, noise factor, concrete network parameter obtains from network management system;
(6) give the assumed value of transmitting power needing, for example 1 watt, integrating step (2), (3), (4) result, substitution link budget model can calculate the received power of user terminal;
(7) calculate this area interference power: suppose 20 watts of total transmitting powers, 70% utilance, actual total transmitting power is 14 watts, deduct 1 watt and obtain 13 watts, consider again orthogonal factor, the aerial loss that integrating step 1 is calculated and step (2), (3), (4) result, substitution link budget model can calculate this area interference power receiving;
(8) calculate adjacent cell interference power: attention user terminal apart from difference, is supposed stop spacing 400 apart from adjacent base station, neighboring station distance is 300 meters, and substitution link propagation model can calculate airlink loss; In conjunction with 14 watts of the total transmitting powers of adjacent base station and step (2), (3), (4) result, substitution link budget model can calculate the adjacent cell interference power receiving;
(9) calculate the sensitivity of receiver: step (5), (7), (8) result of calculation are added, and are total interference and noise; Add the target Eb/No of every kind of business, be the sensitivity of receiver;
(10) whether the available signal power that judgement receives is greater than the sensitivity of receiver, if the result of step (6) is greater than step (9), illustrates that the power of distributing to this business has affluence to reduce; Otherwise illustrate that the underpower of distributing to this business needs to strengthen;
(11) according to the result of step (10), adjust the transmitting power of this business, repeating step (6) is to step (10), until step (6) equates with the result of step (9).
Step 201c, obtains the average transmit power of described every kind of business according to the indoor transmitting power of described user terminal ratio and described every kind of business and outdoor transmitting power;
Ratio and the indoor transmitting power of every kind of business obtaining and the average transmit power that outdoor transmitting power is weighted every kind of business of average acquiring according to the user terminal of every kind of business of use of obtaining from network management system in indoor and outdoors varying environment.
Step 201d, obtains according to the business dimension of described every kind of business and described average transmit power the traffic carrying capacity that every kind of service unit power carries;
Step 201e, according to the soft-switch proportion of every kind of business, obtains the traffic carrying capacity that unit power that every kind of business do not comprise soft switching power is carried;
Particularly, the traffic carrying capacity that the every kind of service unit power obtaining by step 201d carries has comprised the shared power of soft handover, be that user terminal all keeps communication link with He Xin base station, former base station in handoff procedure, only have and in the community of target BS, set up after stabilized communication when user terminal, just disconnect with contacting of former base station and need to take certain transmitting power, therefore, in order to obtain more accurately the conversion factor of every kind of business, business is carried out to equivalence conversion more accurately, according to the soft-switch proportion of every kind of business, obtain every kind of business traffic carrying capacity that unit power is carried when not comprising the shared power of soft handover.
Step 201f, selecting a kind of business is benchmark business, the traffic carrying capacity of carrying according to the unit power that does not comprise soft switching power corresponding to described benchmark business, the traffic carrying capacity that the unit power that does not comprise soft switching power with described every kind of business is carried, obtains the conversion factor of every kind of business;
According to benchmark business corresponding do not comprise the shared power of soft handover time the unit power traffic carrying capacity of carrying, with every kind of business traffic carrying capacity that unit power is carried when not comprising the shared power of soft handover, obtain the conversion factor of every kind of business when not comprising the shared power of soft handover.
For example select data service HSDPA as benchmark business, obtain the conversion factor of every kind of business according to above-mentioned conversion factor acquisition methods, the conversion factor of data service HSDPA is 1, as shown in table 1:
Table 1
Step 202, obtains average every sector system busy integrated service amount;
Particularly, according to from network management system, obtain the whole network system busy time the traffic carrying capacity of every kind of business and the conversion factor of corresponding every kind of business obtaining by the above-mentioned steps 201a～step 201f in advance cumulative summation of multiplying each other again, integrated service amount while obtaining the whole network system busy, during by the whole network system busy, integrated service amount is obtained average every sector system busy integrated service amount divided by the whole network number of sectors.
Step 203, obtains the volume of business of average every sector maximum;
Particularly, by the high configuration of the whole network number of sectors of obtaining from network management system, middle configuration number of sectors, low configuration number of sectors and the whole network number of sectors are obtained respectively high configuration sector, middle configuration sector and low configuration sector account for respectively the ratio of the whole network number of sectors, again respectively with obtain in advance, with height configuration sector, after contained fan capacity corresponding to middle configuration sector and low configuration sector multiplies each other, add up and obtain the contained fan quantity of average every sector, the contained fan quantity of the average every sector contained fan capacity corresponding with high configuration sector multiplied each other to obtain to the volume of business of average every sector maximum.Wherein, contained fan capacity is according to Traffic Channel and the percent of call lost of the miscellaneous service of this contained fan configuration, by ERLANG B, obtain the volume of business of the miscellaneous service of this contained fan configuration, the volume of business of the miscellaneous service obtaining is multiplied each other to obtain contained fan capacity with corresponding conversion factor, wherein, obtaining referring to above-mentioned acquisition methods of conversion factor repeats no more herein.With the conversion factor shown in table 1, according to the Traffic Channel of the miscellaneous service of height configuration sector, middle configuration sector and low configuration sector configuration, obtain corresponding contained fan capacity, as shown in table 2:
Table 2
Step 204, obtains wireless network utilization by average every sector system busy integrated service amount of obtaining divided by the volume of business of average every sector maximum.
The acquisition methods of the wireless network utilization that the embodiment of the present invention provides, the conversion factor of the network parameter obtaining from network system by basis and every kind of business obtaining in advance, and configure contained fan capacity corresponding to sector, middle configuration sector and low configuration sector with height respectively, directly obtain wireless network utilization, realized and can obtain easily and fast the actual utilance index of utilizing situation of comprehensive reflection wireless network, be convenient to the load condition that operator grasps wireless network resource in real time.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Fig. 3 is the acquisition device example structure schematic diagram of wireless network utilization of the present invention, as shown in Figure 3, this device comprises: the first acquisition module 11, second obtains mould 12 and processing module 13, wherein, the first acquisition module 11 is for obtaining network parameter, and network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy; The second acquisition module 12 is for according to the conversion factor of network parameter and every kind of business obtaining in advance, and the contained fan procurement of reserve capacity average every sector system busy integrated service amount corresponding with height configuration sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum respectively; Processing module 13, for according to the volume of business of average every sector system busy integrated service amount and average every sector maximum, is obtained wireless network utilization.
The function of the acquisition device of the wireless network utilization that the present embodiment provides and handling process can, referring to said method embodiment, repeat no more herein.
The acquisition device of the wireless network utilization that the embodiment of the present invention provides, the conversion factor of the network parameter obtaining from network system by basis and every kind of business obtaining in advance, and configure contained fan capacity corresponding to sector, middle configuration sector and low configuration sector with height respectively, directly obtain wireless network utilization, realized and can obtain easily and fast the actual utilance index of utilizing situation of comprehensive reflection wireless network, be convenient to the load condition that operator grasps wireless network resource in real time.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. an acquisition methods for wireless network utilization, is characterized in that, comprising:
Obtain network parameter, described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy;
According to the conversion factor of described network parameter and every kind of business obtaining in advance, and the contained fan procurement of reserve capacity average every sector system busy integrated service amount corresponding with described high configuration sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum respectively;
Volume of business according to described average every sector system busy integrated service amount and described average every sector maximum, obtains wireless network utilization;
Wherein, described according to the volume of business of described average every sector system busy integrated service amount and described average every sector maximum, obtain wireless network utilization and comprise:
Apply following formula and obtain described wireless network utilization, wherein, described average every sector system busy integrated service amount that the conversion factor of the traffic carrying capacity of the every kind of business when according to described the whole network number of sectors, described the whole network system busy of the molecule in described formula and every kind of business obtaining is in advance obtained;
Denominator is according to the volume of business of described average every sector maximum of the height configuration number of sectors of described the whole network number of sectors, described the whole network, middle configuration number of sectors and low configuration number of sectors and the contained fan procurement of reserve capacity corresponding with height configuration sector; Described formula is:
Wherein:
α is described wireless network utilization;
A
w-avefor described average every sector system busy integrated service amount;
A
1, A
2... A
ithe traffic carrying capacity of every kind of business during for described the whole network system busy;
θ
iconversion factor for described every kind of business;
N is described the whole network number of sectors;
TRX
sfor average every sector contained fan quantity;
λ
1, λ
2, λ
3height configuration number of sectors, middle configuration number of sectors and low configuration number of sectors for described the whole network;
M
a, M
b, M
cfor the contained fan capacity corresponding with described high configuration sector, middle configuration sector and low configuration sector.
2. the acquisition methods of wireless network utilization according to claim 1, is characterized in that, the conversion factor of described every kind of business obtaining in advance comprises:
Obtain the average transmit power of every kind of business, according to the business dimension of described every kind of business and described average transmit power, obtain the traffic carrying capacity that every kind of service unit power carries;
Selecting a kind of business is benchmark business, and the traffic carrying capacity of carrying according to unit power corresponding to described benchmark business and described every kind of traffic carrying capacity that service unit power carries are obtained the conversion factor of every kind of business.
3. the acquisition methods of wireless network utilization according to claim 2, is characterized in that, described obtain the traffic carrying capacity that every kind of service unit power carries after, also comprise:
According to the soft-switch proportion of every kind of business, obtain the traffic carrying capacity that unit power that every kind of business do not comprise soft switching power is carried;
Accordingly, described traffic carrying capacity of carrying according to unit power corresponding to described benchmark business and described every kind of traffic carrying capacity that service unit power carries, the conversion factor of obtaining every kind of business comprises:
The traffic carrying capacity of carrying according to the unit power that does not comprise soft switching power corresponding to described benchmark business, the traffic carrying capacity that the unit power that does not comprise soft switching power with described every kind of business is carried, obtains the conversion factor of every kind of business.
4. the acquisition methods of wireless network utilization according to claim 2, is characterized in that, described in obtain every kind of business average transmit power comprise:
From network management system, obtain and in indoor and outdoors environment, use the user terminal ratio of every kind of business and the network parameter of every kind of business transmission;
According to described network parameter application link propagation model and link budget model, obtain indoor transmitting power and the outdoor transmitting power of every kind of business;
According to the indoor transmitting power of described user terminal ratio and described every kind of business and outdoor transmitting power, obtain the average transmit power of described every kind of business.
5. an acquisition device for wireless network utilization, is characterized in that, comprising:
The first acquisition module, for obtaining network parameter, described network parameter comprises: the traffic carrying capacity of every kind of business and the configuration of the height of the whole network number of sectors, middle configuration number of sectors and low configuration number of sectors when the whole network number of sectors, the whole network system busy;
The second acquisition module, for according to the conversion factor of described network parameter and every kind of business obtaining in advance, and respectively with the described high average every sector system busy integrated service amount of contained fan procurement of reserve capacity corresponding to sector, middle configuration sector and low configuration sector and the volume of business of average every sector maximum of configuring;
Processing module, for according to the volume of business of described average every sector system busy integrated service amount and described average every sector maximum, obtains wireless network utilization;
Wherein, described processing module specifically for: apply following formula and obtain described wireless network utilization, wherein, described average every sector system busy integrated service amount that the conversion factor of the traffic carrying capacity of the every kind of business when according to described the whole network number of sectors, described the whole network system busy of the molecule in described formula and every kind of business obtaining is in advance obtained;
Denominator is according to the volume of business of described average every sector maximum of the height configuration number of sectors of described the whole network number of sectors, described the whole network, middle configuration number of sectors and low configuration number of sectors and the contained fan procurement of reserve capacity corresponding with height configuration sector; Described formula is:
Wherein:
α is described wireless network utilization;
A
w-avefor described average every sector system busy integrated service amount;
A
1, A
2... A
ithe traffic carrying capacity of every kind of business during for described the whole network system busy;
θ
iconversion factor for described every kind of business;
N is described the whole network number of sectors;
TRX
sfor average every sector contained fan quantity;
λ
1, λ
2, λ
3height configuration number of sectors, middle configuration number of sectors and low configuration number of sectors for described the whole network;
M
a, M
b, M
cfor the contained fan capacity corresponding with described high configuration sector, middle configuration sector and low configuration sector.
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