CN102256346A

CN102256346A - Method, device and system for setting maximum transmitting power based on RRU (Radio Remote Unit)

Info

Publication number: CN102256346A
Application number: CN2011102086588A
Authority: CN
Inventors: 郭宝
Original assignee: China Mobile Group Shanxi Co Ltd
Current assignee: China Mobile Group Shanxi Co Ltd
Priority date: 2011-07-25
Filing date: 2011-07-25
Publication date: 2011-11-23
Anticipated expiration: 2031-07-25
Also published as: CN102256346B

Abstract

The invention provides a method, a device and a system for setting a maximum transmitting power based on an RRU (Radio Remote Unit). The method comprises the following steps of: obtaining corresponding RRU type of a cell, service data information, base station configuration, predetermined maximum transmitting power of the cell and predetermined PCCPCH (Primary Common Control Physical Channel) maximum transmitting power from a database; determining the number of carriers of the cell according to the base station configuration and the service data information; determining the transmitting power of the cell according to the RRU type and the number of carriers; determining the PCCPCH transmitting power according to the RRU type and the base station configuration; and setting the maximum transmitting power of the cell according to the determined transmitting power of the cell and the predetermined maximum transmitting power of the cell. The cell with small service demands is configured with rational carriers by analyzing the service data of users in the cell, so that the maximum transmitting power of the cell and a service channel transmitting power are both improved, finally, the effect of TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) coverage is improved and user experience is improved.

Description

A kind of maximum transmission power method to set up, equipment and system based on RRU

Technical field

The present invention is about wireless communication technology field, particularly about the time-division synchronously-code division multiple access (TD-SCDMA, time-division synchronous code division multiple access) moving communicating field is a kind of maximum transmission power method to set up, equipment and system based on RRU concretely.

Background technology

Existing TD-SCDMA network is when planning, and unification is set to macro base station, uses 8 passage radio frequency remoto modules (RRU, Radio remote unit), and each sub-district is set to 3 carrier waves.In 3 carrier waves of each plot planning, 1 is R4 (3GPP Release 4 agreements) carrier wave, as cell main carrier, and main carrier signaling message, speech business and the data service of part low discharge.Other 2 are support quick grouping downlink data access function (HSDPA, High Speed Downlink Packet Access) carrier wave, and every HSDPA carrier wave is provided with 3 HSDPA time slots.The solid size road transmitting power unification of the Primary Common Control Physical Channel of all macro base station sub-districts (PCCPCH, Primary Common Control Physical Channel) is configured to 30dBm.There are the following problems in the above-mentioned setting of existing TD-SCDMA network:

(1), whole net utilance is not high, but the network congestion phenomenon has appearred in part.

Existing TD-SCDMA network using unified setting, the traffic hotspots zone of therefore in such as the urban district, waiting TD-SCDMA, 3 carrier waves of single subdistrict configuration can not satisfy user's normal demand, are difficult to reach continuous covering, have reduced user experience.And in the very little zone of traffic carrying capacity such as TD-SCDMA such as city's area edge and rural areas, dispose 3 carrier waves and will waste power resource.

(2), the power configuration of common signal channel and Traffic Channel does not reach maximum.

Present TD-SCDMA system is a sign indicating number power limited system, the PCCPCH of sub-district decides according to the shared code channel of signaling channel that the sub-district maximum transmission power is distributed in main carrier TS0 time slot, calculates and the sub-district maximum transmission power is a power with reference to RRU.With RRU single channel 2W (33dBm) is example, 8 passages can with the equipment gross power be 33+10*log (8)=42dBm, promptly the equipment gross power of each sub-district of macro base station is 42dBm.For N frequency TD network, common signal channel is carried on main carrier, and main carrier TS0 time slot is provided with 6 common signal channels, and then main carrier TS0 available horsepower is 42dBm, and several carrier wave gross powers of Traffic Channel are 42dBm.PCCPCH solid size road can with maximum power be 42-10*log (6)=34.2dBm, the power in PCCPCH dicode road is 34.2+3=37.2dBm.And the power in PCCPCH dicode road is defaulted as 33dBm at present, and the solid size road is 30dBm.

Traffic Channel is carried on the TS1-TS6, and the available maximum power of each carrier wave is 42-10*log (n), and wherein n is a carrier number.According to the collocation method of existing each 3 carrier wave in macro base station sub-district, the maximum power of each carrier wave is: 42-10*log (3)=37.2dBm.The single carrier maximum transmission power of the present default setting of TD network is 33.9dBm.

Promptly the transmitting power of common signal channel under the unified configuration of existing TD-SCDMA network and Traffic Channel does not reach maximum, thereby in the zone of TD network coverage deficiency, will inevitably reduce user's use experience.

Summary of the invention

The embodiment of the invention provides a kind of maximum transmission power method to set up, equipment and system based on RRU, reset sub-district maximum transmission power and PCCPCH maximum transmission power by the RRU type of cell configuration, promoted sub-district maximum transmission power, PCCPCH maximum transmission power and traffic channel transmission power.

One of purpose of the present invention is, provide a kind of and zoom out the maximum transmission power method to set up of RRU, comprising: the RRU type, service data information, base station configuration and default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power that from database, obtain the sub-district correspondence based on radio frequency; Determine the carrier number of sub-district according to described base station configuration and described service data information; Determine cell transmit power according to described RRU type and described carrier number; Determine the PCCPCH transmitting power according to described RRU type and described base station configuration; According to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power is set; According to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power is set.

One of purpose of the present invention is, a kind of operation maintenance equipment is provided, comprise: database is used to store RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power of sub-district correspondence; Deriving means is used for obtaining from database RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default PCCPCH maximum transmission power of sub-district correspondence; Carrier wave is determined device, is used for determining according to described base station configuration and described service data information the carrier number of sub-district; Cell transmit power is determined device, is used for determining cell transmit power according to described RRU type and described carrier number; The PCCPCH transmitting power is determined device, is used for determining the PCCPCH transmitting power according to described RRU type and described base station configuration; Sub-district maximum transmission power setting device is used for according to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power being set; PCCPCH maximum transmission power setting device is used for according to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power being set.

One of purpose of the present invention is, a kind of system that maximum transmission power is set is provided, comprise: base band BBU, radio frequency zoom out RRU and operation maintenance equipment OMC, wherein, described operation maintenance equipment OMC comprises: database is used to store RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power of sub-district correspondence; Deriving means is used for obtaining from database RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default PCCPCH maximum transmission power of sub-district correspondence; Carrier wave is determined device, is used for determining according to described base station configuration and described service data information the carrier number of sub-district; Cell transmit power is determined device, is used for determining cell transmit power according to described RRU type and described carrier number; The PCCPCH transmitting power is determined device, is used for determining the PCCPCH transmitting power according to described RRU type and described base station configuration; Sub-district maximum transmission power setting device is used for according to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power being set; PCCPCH maximum transmission power setting device is used for according to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power being set.

Beneficial effect of the present invention is, by analyzing the business datum of community user, and then to the rational carrier wave of the less cell configuration of business demand, and reset sub-district maximum transmission power and Primary Common Control Physical Channel transmitting power according to RRU device type and the carrier number that use the sub-district, promoted the maximum transmission power of sub-district maximum transmission power and Primary Common Control Physical Channel, give voice traffic channel DPCH, data traffic channels HS-PDSCH is provided with rational side-play amount, make Traffic Channel PDCH, the power of HS-PDSCH further promotes, finally promote the effect that TD-SCDMA covers, improved user experience.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

A kind of flow chart that zooms out the maximum transmission power method to set up of RRU based on radio frequency that Fig. 1 provides for the embodiment of the invention;

Fig. 2 is the particular flow sheet of the first kind of execution mode of step S102 among Fig. 1;

Fig. 3 is the particular flow sheet of the second kind of execution mode of the step S102 among Fig. 1;

Fig. 4 is the particular flow sheet of the third execution mode of the step S102 among Fig. 1;

Fig. 5 is the particular flow sheet of the step S105 among Fig. 1;

Fig. 6 is the particular flow sheet of the step S106 among Fig. 1;

A kind of structured flowchart that the system of maximum transmission power is set that Fig. 7 provides for the embodiment of the invention;

Carrier wave in a kind of operation maintenance equipment that Fig. 8 provides for the embodiment of the invention is determined the structured flowchart of first kind of execution mode of device 303;

Carrier wave in a kind of operation maintenance equipment that Fig. 9 provides for the embodiment of the invention is determined the structured flowchart of second kind of execution mode of device 303;

Carrier wave in a kind of operation maintenance equipment that Figure 10 provides for the embodiment of the invention is determined the structured flowchart of the third execution mode of device 303;

The structured flowchart of the sub-district maximum transmission power setting device 306 in a kind of operation maintenance equipment that Figure 11 provides for the embodiment of the invention;

The structured flowchart of the PCCPCH maximum transmission power setting device 307 in a kind of operation maintenance equipment that Figure 12 provides for the embodiment of the invention;

Figure 13 is for adjusting circuit domain CS call completing rate and the telephone traffic curve chart after the sub-district is provided with according to a kind of system that maximum transmission power is set provided by the invention;

Figure 14 is for adjusting packet domain PS call completing rate, RRC, the RAB frequency curve figure after the sub-district is provided with according to a kind of system that maximum transmission power is set provided by the invention;

Figure 15 is for adjusting the access customer number curve chart of circuit domain CS, packet domain PS after the sub-district is provided with according to a kind of system that maximum transmission power is set provided by the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only 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.

Fig. 1 a kind ofly zooms out the flow chart of the maximum transmission power method to set up of RRU based on radio frequency for what the embodiment of the invention provided, and as shown in Figure 1, this method comprises:

S101: the RRU type, service data information, base station configuration and default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power that from database, obtain the sub-district correspondence.Wherein, base station configuration is used to characterize the carrier number of each cell configuration, the particular type of each carrier wave and the common signal channel number of each carrier wave; The RRU type is used to characterize the RRU model and the corresponding single channel power and the equipment peak power output thereof of each cell configuration; Service data information is used to store the recent every traffic volume measurement data in base station;

S102: the carrier number of determining the sub-district according to described base station configuration and described service data information.The carrier number and the carrier type that have comprised the current area configuration in the base station configuration of the sub-district correspondence that from database, collects.In the base station configuration of existing sub-district correspondence, carrier number is generally 3, and the carrier number that the part sub-district is also arranged is 2,4,5 and 6.Carrier type is generally: R4 carrier wave and HSDPA carrier wave, wherein, the R4 carrier wave is as cell main carrier, main carrier signaling message and speech business and the data service of part low discharge, 3 HSDPA time slots of HSDPA carrier wave operated by rotary motion.

S103: determine cell transmit power according to described RRU type and described carrier number.

The macro base station that is provided with in TD-SCDMA first stage of the project mainly uses R08/R04 8 passage RRU, and the peak power output of the RRU equipment of the type is 42dBm; The RRU that the macro base station that is provided with in the TD-SCDMA the second stage of the project uses is R08i, single channel power is 3W, the peak power output of RRU equipment is 43.8dBm, the RRU equipment that the macro base station that is provided with in the TD-SCDMA the third stage of the project uses is the R8918 model, single channel power is 7W, and the peak power output of RRU equipment reaches 47.5dBm.The peak power output of the RRU type of collection sub-district correspondence and dissimilar RRU is as shown in table 1 from the TD-SCDMA network data base:

Equipment	Single channel power	The equipment peak power output
			R8918	7W	56W(47.5dBm)
R08i	3W	24W(43.8dBm)
			R08/R04	2w	16W(42dBm)
R21	20W	20W(43dBm)
			R11	12w	12W(40.8dBm)

Carry out in the following manner when determining transmitting power: transmitting power=RRU corresponding equipment peak power output-10*log (carrier number) according to described RRU type and described carrier number.3 carrier waves in each sub-district with the unified configuration in existing TD-SCDMA base station are that example describes below.

(1) when the RRU model is R08/R04, transmitting power is: 42-10*log (3)=37.2dBm;

(2) when the RRU model is R08i, transmitting power is: 43.8-10*log (3)=39dBm;

(3) when the RRU model is R8918, transmitting power is: 47.5-10*log (3)=42.7dBm.

As seen, the transmitting power of determining according to the RRU type and the described carrier number of sub-district correspondence has lifting than default sub-district maximum transmission power.

S104: determine the PCCPCH transmitting power according to described RRU type and described base station configuration.This step specifically comprises: resolve the common signal channel number that described base station configuration obtains the sub-district correspondence; Determine the PCCPCH transmitting power according to described RRU type and described common signal channel number.

The common signal channel number of carrier wave is generally 6, and the common signal channel number that the part carrier wave is also arranged is 7 or 8.TD-SCDMA base station main carrier TS0 time slot operated by rotary motion has 6 common signal channels at present, general TS0 has 2 code channels to be taken by PCCPCH, article 3, the auxilliary Common Control Channel SCCPCH of quilt takies, article 1, the quick Acquisition Indicator Channel FPACH of quilt takies, and the maximum power that PCCPCH solid size road can be used is: RRU equipment peak power output-10*log (common signal channel number).

Use the RRU type to be example calculation plot PCCPCH solid size road transmitting power with existing TD-SCDMA base station below.

(1) when the RRU model is R08/R04, RRU equipment peak power output is 42dBm, and PCCPCH code channel transmitting power is: 42-10*log (6)=34.2dBm;

(2) when the RRU model is R08i, RRU equipment peak power output is 43.8dBm, and PCCPCH code channel transmitting power is: 43.8-10*log (6)=36dBm;

(3) when the RRU model is R8918, RRU equipment peak power output is 47.5dBm, and PCCPCH code channel transmitting power is: 47.5-10*log (6)=39.7dBm.

S105: the sub-district maximum transmission power is set according to cell transmit power of determining and default sub-district maximum transmission power.

S106: the PCCPCH maximum transmission power is set according to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power.

Fig. 2 is the flow chart of the first kind of execution mode of the step S102 among Fig. 1, and as shown in Figure 2, step S102 specifically comprises:

S201: from database, obtain sub-district corresponding physical information.Physical message is used to characterize the physical location of each sub-district.

S202: judge according to described physical message whether the sub-district is in TD-SCDMA network coverage edge, when being judged as when being execution in step S203;

S203: resolve the code channel utilance that described service data information obtains the R4 carrier wave;

S204: whether the code channel utilance of judging described R4 carrier wave reaches preset value, when being judged as not, and execution in step S205.In concrete execution mode, can be set to such as 50% to the preset value of the maximum R4 carrier wave whole day code channel utilance of TD-SCDMA network cell.

S205: with described R4 carrier wave deletion;

S206: the carrier number of sub-district behind the described R4 carrier wave of definite deletion.

Fig. 3 is the particular flow sheet of the second kind of execution mode of the step S102 among Fig. 1, and as shown in Figure 3, this step specifically comprises:

S301: from database, obtain sub-district corresponding physical information.Physical message is used to characterize the physical location of each sub-district.

S302: judge according to described physical message whether the sub-district is in TD-SCDMA network coverage edge, when being judged as when being execution in step S303;

S303: resolve the access customer number that described service data information obtains the HSDPA carrier wave;

S304: whether the access customer number of judging described HSDPA carrier wave reaches preset value, when being judged as not, and execution in step S305.In concrete execution mode, can be set to such as 4 the preset value of the whole day access customer number of maximum HSDPA carrier wave in the TD-SCDMA network.

S305: with described HSDPA carrier wave deletion;

S306: the carrier number of sub-district behind the described HSDPA carrier wave of definite deletion.

Fig. 4 is the particular flow sheet of the third execution mode of the step S102 among Fig. 1, and as shown in Figure 4, this step specifically comprises:

S401: from database, obtain sub-district corresponding physical information.Physical message is used to characterize the physical location of each sub-district.

S402: judge according to described physical message whether the sub-district is in TD-SCDMA network coverage edge, when being judged as when being execution in step S403;

S403: resolve described service data information and obtain the code channel utilance of R4 carrier wave and the access customer number of HSDPA carrier wave;

S404: whether the code channel utilance of judging described R4 carrier wave reaches preset value, when being judged as not, and execution in step S405.In concrete execution mode, can be set to such as 50% to the preset value of the R4 carrier wave whole day code channel utilance of TD-SCDMA network cell.

S405: with described R4 carrier wave deletion;

S406: whether the access customer number of judging described HSDPA carrier wave reaches preset value, when being judged as not, and execution in step S407.In concrete execution mode, can be set to such as 4 the preset value of the whole day access customer number of maximum HSDPA carrier wave in the TD-SCDMA network.

S407: with described HSDPA carrier wave deletion;

S408: the carrier number of sub-district behind definite described R4 carrier wave of deletion and the HSDPA carrier wave.

The 4th kind of execution mode of above-mentioned step S102 is: resolve the carrier number that described base station configuration obtains the sub-district correspondence.The carrier number and the carrier type that have comprised the current area configuration in the base station configuration of the sub-district correspondence that from database, collects.In the base station configuration of existing sub-district correspondence, carrier number is generally 3, and the carrier number that the part sub-district is also arranged is 2,4,5 and 6.

Step S103 determines that according to described RRU type and described carrier number transmitting power carries out in the following manner: transmitting power=RRU corresponding equipment peak power output-10*log (carrier number).Delete a R4 carrier wave or HSDPA carrier wave by service data information among the step S102, the carrier number of cell configuration will reduce one so, 3 carrier waves with the unified configuration in base station in the existing network are example, and the carrier number after then deleting is 2, and the sub-district maximum transmission power of dissimilar RRU is as follows:

(1) when the RRU model is R08/R04, cell transmit power is: 42-10*log (2)=39dBm;

(2) when the RRU model is R08i, cell transmit power is: 43.8-10*log (2)=40.8dBm;

(3) when the RRU model is R8918, cell transmit power is: 47.5-10*log (2)=44.5dBm.

As seen, delete the carrier wave of sub-district according to the service data information of sub-district after, the transmitting power of sub-district obviously promotes.

Fig. 5 is the particular flow sheet of the step S105 among Fig. 1, and as shown in Figure 5, this step specifically comprises:

S501: whether judge described default maximum transmission power less than the transmitting power of determining, when being judged as when being execution in step S502, otherwise execution in step S503;

S502: generation comprises the comparison result that the sub-district maximum transmit power information need be set;

S503: generation comprises the comparison result that need not to be provided with the sub-district maximum transmit power information.

S504: the comparison result that obtains generation;

S505: judge whether to comprise in the described comparison result sub-district maximum transmit power information need be set, when being judged as when being execution in step S506;

S506: the maximum transmission power of sub-district is set to the described transmitting power of determining.

In other execution modes of step S105, the arbitrary value between sub-district maximum transmission power that maximum transmission power that can the sub-district among the step S506 is set to preset and the transmitting power of determining.Suppose that the default maximum transmission power in sub-district is 33dBm, the transmitting power of determining is 39dBm, and then maximum transmission power that can the sub-district among the step S506 is set to arbitrary value between 33 and 39 according to the different demands of sub-district.

Fig. 6 is the particular flow sheet of the step S106 among Fig. 1, and as shown in Figure 6, this step specifically comprises:

S601: whether judge described default PCCPCH maximum transmission power less than the PCCPCH transmitting power of determining, when being judged as when being execution in step S602, otherwise execution in step S603;

S602: generation comprises the comparison result that the PCCPCH maximum transmit power information need be set;

S603: generation comprises the comparison result that need not to be provided with the PCCPCH maximum transmit power information.

S604: the comparison result that obtains generation;

S605: judge whether to comprise in the described comparison result PCCPCH maximum transmit power information need be set, when being judged as when being execution in step S606;

The maximum transmission power of S606: PCCPCH is set to the described PCCPCH transmitting power of determining.

In other execution modes of step S106, the arbitrary value between PCCPCH maximum transmission power that maximum transmission power that can PCCPCH among the step S606 is set to preset and the PCCPCH transmitting power of determining.Suppose that default PCCPCH maximum transmission power is 30dBm, the PCCPCH transmitting power of determining is 36dBm, and then maximum transmission power that can PCCPCH among the step S606 is set to arbitrary value between 30 and 36 according to the different demands of sub-district.Promptly after the sub-district maximum transmission power promotes, can promote the PCCPCH power that the TD-SCDMA base station is provided with according to the PCCPCH power appropriateness of determining.

In the gateway configuration of sub-district, sub-district maximum transmission power, PCCPCH maximum transmission power are absolute value (dBm), and the power of other channels is relative value (dB).When replacement cell power parameter, only need replacement sub-district maximum transmit power value and PCCPCH transmission power level (the sub-district maximum power needs greater than public physic channel PCCPCH transmitting power), other channel transmitting power only need be adjusted relative value.

5 edge sites with certain city suburbs and counties under the jurisdiction of a large city are example below, introduce a kind of method and system that the sub-district maximum transmission power is set provided by the invention in detail.The RRU type of 5 edge sites choosing is R08i, corresponding district is provided with 3 carrier waves, TD-SCDMA base station main carrier TS0 time slot is provided with 6 common signal channels, default sub-district maximum transmission power 33dBm, default Primary Common Control Physical Channel PCCPCH transmitting power is 30dBm, and the side-play amount of Traffic Channel is preset as 0.

Because the RRU model is R08i, corresponding carrier number is 3, so sub-district maximum transmission power: 43.8-10*log (3)=39dBm, and resetting the sub-district maximum transmission power is 39dBm.The RRU type R08i of cell configuration, common signal channel number are 6, therefore, Primary Common Control Physical Channel PCCPCH transmitting power is 43.8-10*log (6)=36dBm, resetting Primary Common Control Physical Channel PCCPCH transmitting power is 35.9dBm, and to keep the side-play amount of Traffic Channel be 0, and Traffic Channel is along with PCCPCH transmitting power increase value also keeps corresponding growth in the practical communication process.Reset the sub-district gateway configuration according to method provided by the invention, after network optimization adjustment, the circuit domain CS call completing rate of all sub-districts and telephone traffic curve chart as shown in figure 13, the square box indication circuit territory telephone traffic among Figure 13, diamond is represented CS territory wireless interface passband.As shown in Figure 13, under situation about remaining unchanged substantially, telephone traffic has had tangible rising at the wireless interface passband in all sub-districts.The packet domain PS call completing rate of all sub-districts, RRC, RAB frequency curve figure as shown in figure 14, the square box among Figure 14 is represented the RAB number that the packet domain request is set up, diamond represents that packet domain RRC sets up number of times, the triangle frame table shows PS wireless interface passband.As shown in Figure 14, all sub-districts are under the situation that PS wireless interface passband remains unchanged substantially, and PS service class RRC, RAB request is set up number of times and obviously risen.

Obtain the recent service data information of edge site respective cell, the code channel utilance of the R4 carrier wave that parsing obtains is 0.23%, and the preset value of R4 carrier wave whole day code channel utilance is 1%, this shows, the code channel utilance of the R4 carrier wave of sub-district does not reach preset value, therefore the R4 carrier wave is deleted.Carrier number according to the RRU type of cell configuration, after deleting is reset the sub-district maximum transmission power.Current RRU model is R08i, and carrier number is 2, and therefore the sub-district maximum transmission power is set to: 43.8-10*log (2)=40.8dBm; The RRU type R08i of cell configuration, common signal channel number are 6, therefore, Primary Common Control Physical Channel PCCPCH transmitting power is 43.8-10*log (6)=36dBm, resetting Primary Common Control Physical Channel PCCPCH transmitting power is 35.9dBm, and to keep the side-play amount of Traffic Channel be 0, and Traffic Channel is along with PCCPCH transmitting power increase value also keeps corresponding growth in the practical communication process.Reset the sub-district gateway configuration according to method provided by the invention, after network optimization adjustment, the access customer number curve chart of the circuit domain CS of all sub-districts, packet domain PS as shown in figure 15, the square box among Figure 15 is represented access customer number, diamond is represented the CS access customer number.As shown in Figure 15, delete carrier wave after, the CS of sub-district, PS access customer number obviously rise.

To sum up, a kind of maximum transmission power method to set up provided by the invention based on RRU, by analyzing the business datum of community user, and then to the rational carrier wave of the less cell configuration of business demand, reset cell transmit power and Primary Common Control Physical Channel transmitting power according to the RRU type of cell configuration, promoted the maximum transmission power of sub-district maximum transmission power and Primary Common Control Physical Channel, give voice traffic channel DPCH, data traffic channels HS-PDSCH is provided with rational side-play amount, make Traffic Channel PDCH, the power of HS-PDSCH further promotes, finally promote the effect that TD-SCDMA covers, improved user experience.

A kind of structured flowchart that the system of maximum transmission power is set that Fig. 7 provides for the embodiment of the invention, as shown in Figure 7, this system comprises: base band BBU100, radio frequency zoom out RRU200 and operation maintenance equipment OMC300, wherein, wherein, described operation maintenance equipment OMC300 comprises:

Database 301 is used to store RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power of sub-district correspondence.Wherein, base station configuration is used to characterize the carrier number of each cell configuration, the particular type of each carrier wave and the common signal channel number of each carrier wave; The RRU type is used to characterize the RRU model and the corresponding single channel power and the equipment peak power output thereof of each cell configuration; Service data information is used to store the recent every traffic volume measurement data in base station.

Deriving means 302 is used for obtaining from database RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default PCCPCH maximum transmission power of sub-district correspondence;

Carrier wave is determined device 303, is used for determining according to described base station configuration and described service data information the carrier number of sub-district.The carrier number and the carrier type that have comprised the current area configuration in the base station configuration of the sub-district correspondence that from database, collects.In the base station configuration of existing sub-district correspondence, carrier number is generally 3, and the carrier number that the part sub-district is also arranged is 2,4,5 and 6.Carrier type is generally: R4 carrier wave and HSDPA carrier wave, wherein, the R4 carrier wave is as cell main carrier, main carrier signaling message and speech business and the data service of part low discharge, 3 HSDPA time slots of HSDPA carrier wave operated by rotary motion.

Cell transmit power is determined device 304, is used for determining cell transmit power according to described RRU type and described carrier number.The macro base station that is provided with in TD-SCDMA first stage of the project mainly uses R08/R04 8 passage RRU, and the peak power output of the RRU equipment of the type is 42dBm; The RRU that the macro base station that is provided with in the TD-SCDMA the second stage of the project uses is R08i, single channel power is 3W, the peak power output of RRU equipment is 43.8dBm, the RRU equipment that the macro base station that is provided with in the TD-SCDMA the third stage of the project uses is the R8918 model, single channel power is 7W, and the peak power output of RRU equipment reaches 47.5dBm.The peak power output of the RRU type of collection sub-district correspondence and dissimilar RRU is as shown in table 1 from the TD-SCDMA network data base:

(2) when the RRU model is R08i, transmitting power is: 43.8-10*log (3)=39dBm;

The PCCPCH transmitting power is determined device 305, is used for determining the PCCPCH transmitting power according to described RRU type and described base station configuration.The PCCPCH transmitting power determines that device 305 specifically comprises:

Resolver is used to resolve the common signal channel number that described base station configuration obtains the sub-district correspondence;

Transmitting power is determined device, is used for determining the PCCPCH transmitting power according to described RRU type and described common signal channel number.

Sub-district maximum transmission power setting device 306 is used for according to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power being set;

PCCPCH maximum transmission power setting device 307 is used for according to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power being set.

Fig. 8 determines the flow chart of first kind of execution mode of device 303 for carrier wave, and as shown in Figure 8, carrier wave determines that device 303 specifically comprises:

Physical information acquiring device 3031 is used for obtaining sub-district corresponding physical information from database;

Screening plant 3032 is used for filtering out the sub-district that is in TD-SCDMA network coverage edge according to described physical message;

Carrier wave setting device 3033 is used for the carrier number of the sub-district that filters out according to described service data information setting.

Wherein, carrier wave setting device 3033 specifically comprises:

First resolver 30331 is used to resolve the code channel utilance that described service data information obtains the R4 carrier wave;

First judgment means 30332 is used to judge whether the code channel utilance of described R4 carrier wave reaches preset value, when being judged as not, carries out first delete device 30333;

Described first delete device 30333 is used for described R4 carrier wave deletion;

First determines device 30334, is used for determining the carrier number of sub-district behind the described R4 carrier wave of deletion.

Fig. 9 determines the flow chart of second kind of execution mode of device 303 for carrier wave, and as shown in Figure 9, carrier wave determines that device 303 specifically comprises:

Wherein, carrier wave setting device 3033 specifically comprises:

Second resolver 30331 is used to resolve the access customer number that described service data information obtains the HSDPA carrier wave;

Second judgment means 30332 is used to judge whether the access customer number of described HSDPA carrier wave reaches preset value, when being judged as not, carries out second delete device 30333;

Described second delete device 30333 is used for described HSDPA carrier wave deletion;

Second determines device 30334, is used for determining the carrier number of sub-district behind the described HSDPA carrier wave of deletion.

Figure 10 determines the flow chart of the third execution mode of device 303 for carrier wave, and as shown in Figure 10, carrier wave determines that device 303 specifically comprises:

Wherein, carrier wave setting device 3033 specifically comprises:

The 3rd resolver 30331 is used to resolve described service data information and obtains the code channel utilance of R4 carrier wave and the access customer number of HSDPA carrier wave;

The 3rd judgment means 30332 is used to judge whether the code channel utilance of described R4 carrier wave reaches preset value, when being judged as not, carries out the 3rd delete device 30333;

Described the 3rd delete device 30333 is used for described R4 carrier wave deletion;

The 4th judgment means 30334 is used to judge whether the access customer number of described HSDPA carrier wave reaches preset value, when being judged as not, carries out the 4th delete device;

Described the 4th delete device 30335 is used for described HSDPA carrier wave deletion;

Determine device 30336, be used for determining the carrier number of sub-district behind described R4 carrier wave of deletion and the HSDPA carrier wave.

Above-mentioned carrier wave determines that the 4th kind of execution mode of device 303 is: described carrier wave determines that device is used to resolve the carrier number that described base station configuration obtains the sub-district correspondence.The carrier number and the carrier type that have comprised the current area configuration in the base station configuration of the sub-district correspondence that from database, collects.In the base station configuration of existing sub-district correspondence, carrier number is generally 3, and the carrier number that the part sub-district is also arranged is 2,4,5 and 6.

Cell transmit power determines that device 304 carries out in the following manner: transmitting power=RRU corresponding equipment peak power output-10*log (carrier number).Carrier wave is determined to delete a R4 carrier wave or HSDPA carrier wave by service data information in the device 303, the carrier number of cell configuration will reduce one so, 3 carrier waves with the unified configuration in base station in the existing network are example, carrier number after then deleting is 2, and the cell transmit power of dissimilar RRU is as follows:

(1) when the RRU model is R08/R04, cell transmit power is: 42-10*log (2)=39dBm;

Figure 11 is the structured flowchart of sub-district maximum transmission power setting device 306, and as shown in Figure 11, sub-district maximum transmission power setting device 306 specifically comprises:

First comparing unit 3061 is used to compare default sub-district maximum transmission power and obtains comparison result with the cell transmit power of determining;

First is provided with unit 3062, is used for being provided with according to described comparison result the maximum transmission power of sub-district.

Wherein, first comparing unit 3061 specifically comprises: first judging unit 30611 is used to judge that whether described default sub-district maximum transmission power is less than the cell transmit power of determining, when being judged as when being, carry out first generation unit 30612, otherwise, second generation unit 30613 carried out;

Described first generation unit 30612 is used to generate and comprises the comparison result that the sub-district maximum transmit power information need be set;

Described second generation unit 30613 is used to generate and comprises the comparison result that need not to be provided with the sub-district maximum transmit power information.

First is provided with unit 3062 specifically comprises:

First acquiring unit 30621 is used to obtain the comparison result of generation;

First judging unit 30622 is used for judging whether described comparison result comprises that the sub-district maximum transmit power information need be set, and when being judged as when being, carries out first determining unit 30623;

Described first determining unit 30623, the maximum transmission power that is used for the sub-district is set to the described cell transmit power of determining.

In other execution modes of first determining unit, the arbitrary value between sub-district maximum transmission power that maximum transmission power that can the sub-district is set to preset and the transmitting power of determining.Suppose that the default maximum transmission power in sub-district is 33dBm, the transmitting power of determining is 39dBm, and then maximum transmission power that can the sub-district in first determining unit is set to arbitrary value between 33 and 39 according to the different demands of sub-district.

Figure 12 is the structured flowchart of PCCPCH maximum transmission power setting device 307, and as shown in Figure 12, PCCPCH maximum transmission power setting device 307 specifically comprises:

Second comparing unit 3071 is used to compare default PCCPCH maximum transmission power and obtains comparison result with the PCCPCH transmitting power of determining;

Second is provided with unit 3072, is used for being provided with according to described comparison result the maximum transmission power of PCCPCH.

Wherein, second comparing unit 3071 specifically comprises:

Whether second judging unit 30711 is used to judge described default PCCPCH maximum transmission power less than the PCCPCH transmitting power of determining, and when being judged as when being, carrying out the 3rd and generates unit 30712, otherwise carry out the 4th generation unit 30713;

The described the 3rd generates unit 30712, is used to generate comprise the comparison result that the PCCPCH maximum transmit power information need be set;

Described the 4th generation unit 30713 is used to generate and comprises the comparison result that need not to be provided with the PCCPCH maximum transmit power information.

Second is provided with unit 3072 specifically comprises:

Second acquisition unit 30721 is used to obtain the comparison result of generation;

Second judging unit 30722 is used for judging whether described comparison result comprises that the PCCPCH maximum transmit power information need be set, and when being judged as when being, carries out second determining unit 30723;

Described second determining unit 30723, the maximum transmission power that is used for PCCPCH is set to the described PCCPCH transmitting power of determining.

In other execution modes of second determining unit, the arbitrary value between PCCPCH maximum transmission power that maximum transmission power that can PCCPCH is set to preset and the PCCPCH transmitting power of determining.Suppose that default PCCPCH maximum transmission power is 30dBm, the PCCPCH transmitting power of determining is 36dBm, and then maximum transmission power that can PCCPCH in second determining unit is set to arbitrary value between 30 and 36 according to the different demands of sub-district.Promptly after the sub-district maximum transmission power promotes, can promote the PCCPCH power that the TD-SCDMA base station is provided with according to the PCCPCH power appropriateness of determining.

Therefore, implement a kind of maximum transmission power method to set up provided by the invention based on RRU, equipment and system, by analyzing the business datum of community user, and then to the rational carrier wave of the less cell configuration of business demand, and reset sub-district maximum transmission power and Primary Common Control Physical Channel transmitting power according to RRU device type and the carrier number that use the sub-district, promoted the maximum transmission power of sub-district maximum transmission power and Primary Common Control Physical Channel, give voice traffic channel DPCH, data traffic channels HS-PDSCH is provided with rational side-play amount, make Traffic Channel PDCH, the power of HS-PDSCH further promotes, finally promote the effect that TD-SCDMA covers, improved user experience.

In sum, useful achievement of the present invention is: a kind of maximum transmission power method to set up, equipment and system based on RRU is provided, the maximum transmission power by resetting the sub-district and the maximum transmission power of Primary Common Control Physical Channel, promote the transmitting power of Traffic Channel, promoted user experience.

Advantage of the present invention is:

1. the transmitting power of creatively determining according to the RRU type and the corresponding carrier number of sub-district correspondence is set to the sub-district maximum transmission power, and be set to the maximum transmission power of the Primary Common Control Physical Channel of sub-district according to the transmitting power that the RRU type of sub-district correspondence and corresponding common signal channel number are determined, the maximum transmission power and the Primary Common Control Physical Channel transmitting power of sub-district have been promoted, therefore, give voice traffic channel DPCH, data traffic channels HS-PDSCH is provided with rational side-play amount, make Traffic Channel PDCH, the power of HS-PDSCH further promotes, finally promote the effect that TD-SCDMA covers, improved user experience.

2. creatively delete the carrier number of sub-district correspondence according to the recent service data information in sub-district, be set to the sub-district maximum transmission power according to the RRU type of sub-district correspondence and the definite transmitting power of resetting of carrier number, and the transmitting power of the Primary Common Control Physical Channel of determining according to the RRU type of sub-district correspondence and corresponding common signal channel number is set to the maximum transmission power of the Primary Common Control Physical Channel of sub-district, the maximum transmission power and the Primary Common Control Physical Channel transmitting power of sub-district have been promoted, therefore, give voice traffic channel DPCH, data traffic channels HS-PDSCH is provided with rational side-play amount, make Traffic Channel PDCH, the power of HS-PDSCH further promotes, finally promote the effect that TD-SCDMA covers, improved user experience.

Used specific embodiment among the present invention principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims

1. one kind is zoomed out the maximum transmission power method to set up of RRU based on radio frequency, it is characterized in that described method comprises:

From database, obtain RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power of sub-district correspondence;

Determine the carrier number of sub-district according to described base station configuration and described service data information;

Determine cell transmit power according to described RRU type and described carrier number;

Determine the PCCPCH transmitting power according to described RRU type and described base station configuration;

According to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power is set;

According to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power is set.

2. method according to claim 1 is characterized in that, determines that according to described base station configuration and described service data information the carrier number of sub-district comprises: resolve the carrier number that described base station configuration obtains the sub-district correspondence.

3. method according to claim 1 is characterized in that, determines that according to described base station configuration and described service data information the carrier number of sub-district comprises:

From database, obtain sub-district corresponding physical information;

According to described physical message judge the sub-district whether be in the time-division synchronously-code division multiple access TD-SCDMA network coverage edge;

When being judged as when being, determine the carrier number of sub-district according to described service data information.

4. method according to claim 3 is characterized in that, determines that according to described service data information the carrier number of sub-district comprises:

Resolve described service data information and obtain the code channel utilance of R4 carrier wave;

Whether the code channel utilance of judging described R4 carrier wave reaches preset value;

When being judged as not, with described R4 carrier wave deletion;

The carrier number of sub-district behind the described R4 carrier wave of definite deletion.

5. method according to claim 3 is characterized in that, determines that according to described service data information the carrier number of sub-district comprises:

Resolve described service data information and obtain the access customer number that quick grouping downlink data insert the HSDPA carrier wave;

Whether the access customer number of judging described HSDPA carrier wave reaches preset value;

When being judged as not, with described HSDPA carrier wave deletion;

The carrier number of sub-district behind the described HSDPA carrier wave of definite deletion.

6. method according to claim 3 is characterized in that, determines that according to described service data information the carrier number of sub-district comprises:

Resolve described service data information and obtain the code channel utilance of R4 carrier wave and the access customer number of HSDPA carrier wave;

When being judged as not, with described R4 carrier wave deletion;

When being judged as not, with described HSDPA carrier wave deletion;

The carrier number of sub-district behind definite described R4 carrier wave of deletion and the HSDPA carrier wave.

7. method according to claim 1 is characterized in that, determines that according to described RRU type and described base station configuration the PCCPCH transmitting power comprises:

Resolve described base station configuration and obtain the common signal channel number of sub-district correspondence;

Determine the PCCPCH transmitting power according to described RRU type and described common signal channel number.

8. method according to claim 1 is characterized in that, according to the cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power is set and comprises:

Sub-district maximum transmission power that comparison is default and the cell transmit power of determining obtain comparison result;

The maximum transmission power of sub-district is set according to described comparison result.

9. method according to claim 8 is characterized in that, sub-district maximum transmission power that described comparison is default and the cell transmit power of determining obtain comparison result and comprise:

Judge that whether described default sub-district maximum transmission power is less than the cell transmit power of determining;

When being judged as when being, generate and comprise the comparison result that the sub-district maximum transmit power information need be set, comprise the comparison result that need not to be provided with the sub-district maximum transmit power information otherwise generate.

10. method according to claim 8 is characterized in that, the maximum transmission power that the sub-district is set according to described comparison result comprises:

Obtain the comparison result of generation;

Judge whether to comprise in the described comparison result sub-district maximum transmit power information need be set that when being judged as when being, the maximum transmission power of sub-district is set to the described cell transmit power of determining.

11. method according to claim 1 is characterized in that, according to the PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power is set and comprises:

PCCPCH maximum transmission power that comparison is default and the PCCPCH transmitting power of determining obtain comparison result;

The maximum transmission power of PCCPCH is set according to described comparison result.

12. method according to claim 11 is characterized in that, PCCPCH maximum transmission power that described comparison is default and the PCCPCH transmitting power of determining obtain comparison result and comprise:

Judge that whether described default PCCPCH maximum transmission power is less than the PCCPCH transmitting power of determining;

When being judged as when being, generate and comprise the comparison result that the PCCPCH maximum transmit power information need be set, comprise the comparison result that need not to be provided with the PCCPCH maximum transmit power information otherwise generate.

13. method according to claim 11 is characterized in that, the maximum transmission power that PCCPCH is set according to described comparison result comprises:

Obtain the comparison result of generation;

Judge whether to comprise in the described comparison result PCCPCH maximum transmit power information need be set that when being judged as when being, the maximum transmission power of PCCPCH is set to the described PCCPCH transmitting power of determining.

14. an operation maintenance equipment is characterized in that, described equipment comprises:

Database is used to store RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default Primary Common Control Physical Channel PCCPCH maximum transmission power of sub-district correspondence;

Deriving means is used for obtaining from database RRU type, service data information, base station configuration and the default sub-district maximum transmission power and the default PCCPCH maximum transmission power of sub-district correspondence;

Carrier wave is determined device, is used for determining according to described base station configuration and described service data information the carrier number of sub-district;

Cell transmit power is determined device, is used for determining cell transmit power according to described RRU type and described carrier number;

The PCCPCH transmitting power is determined device, is used for determining the PCCPCH transmitting power according to described RRU type and described base station configuration;

Sub-district maximum transmission power setting device is used for according to cell transmit power of determining and default sub-district maximum transmission power the sub-district maximum transmission power being set;

PCCPCH maximum transmission power setting device is used for according to PCCPCH transmitting power of determining and default PCCPCH maximum transmission power the PCCPCH maximum transmission power being set.

15. equipment according to claim 14 is characterized in that, described carrier wave determines that device is used to resolve the carrier number that described base station configuration obtains the sub-district correspondence.

16. equipment according to claim 14 is characterized in that, described carrier wave determines that device also comprises:

Physical information acquiring device is used for obtaining sub-district corresponding physical information from database;

Screening plant is used for filtering out the sub-district that is in TD-SCDMA network coverage edge according to described physical message;

The carrier wave setting device is used for the carrier number of the sub-district that filters out according to described service data information setting.

17. equipment according to claim 16 is characterized in that, described carrier wave setting device comprises:

First resolver is used to resolve the code channel utilance that described service data information obtains the R4 carrier wave;

First judgment means is used to judge whether the code channel utilance of described R4 carrier wave reaches preset value, when being judged as not, carries out first delete device;

Described first delete device is used for described R4 carrier wave deletion;

First determines device, is used for determining the carrier number of sub-district behind the described R4 carrier wave of deletion.

18. equipment according to claim 16 is characterized in that, described carrier wave setting device comprises:

Second resolver is used to resolve the access customer number that described service data information obtains the HSDPA carrier wave;

Second judgment means is used to judge whether the access customer number of described HSDPA carrier wave reaches preset value, when being judged as not, carries out second delete device;

Described second delete device is used for described HSDPA carrier wave deletion;

Second determines device, is used for determining the carrier number of sub-district behind the described HSDPA carrier wave of deletion.

19. equipment according to claim 16 is characterized in that, described carrier wave setting device comprises:

The 3rd resolver is used to resolve described service data information and obtains the code channel utilance of R4 carrier wave and the access customer number of HSDPA carrier wave;

The 3rd judgment means is used to judge whether the code channel utilance of described R4 carrier wave reaches preset value, when being judged as not, carries out the 3rd delete device;

Described the 3rd delete device is used for described R4 carrier wave deletion;

The 4th judgment means is used to judge whether the access customer number of described HSDPA carrier wave reaches preset value, when being judged as not, carries out the 4th delete device;

Described the 4th delete device is used for described HSDPA carrier wave deletion;

Determine device, be used for determining the carrier number of sub-district behind described R4 carrier wave of deletion and the HSDPA carrier wave.

20. equipment according to claim 14 is characterized in that, described PCCPCH transmitting power determines that device comprises:

21. equipment according to claim 14 is characterized in that, described sub-district maximum transmission power setting device comprises:

First comparing unit is used to compare default sub-district maximum transmission power and obtains comparison result with the cell transmit power of determining;

First is provided with the unit, is used for being provided with according to described comparison result the maximum transmission power of sub-district.

22. equipment according to claim 21 is characterized in that, described first comparing unit comprises:

Whether first judging unit is used to judge described default sub-district maximum transmission power less than the cell transmit power of determining, and when being judged as when being, carries out first generation unit, otherwise, carry out second generation unit;

Described first generation unit is used to generate and comprises the comparison result that the sub-district maximum transmit power information need be set;

Described second generation unit is used to generate and comprises the comparison result that need not to be provided with the sub-district maximum transmit power information.

23. equipment according to claim 21 is characterized in that, described first is provided with the unit comprises:

First acquiring unit is used to obtain the comparison result of generation;

First judging unit is used for judging whether described comparison result comprises that the sub-district maximum transmit power information need be set, and when being judged as when being, carries out first determining unit;

Described first determining unit, the maximum transmission power that is used for the sub-district is set to the described cell transmit power of determining.

24. equipment according to claim 14 is characterized in that, described PCCPCH maximum transmission power setting device comprises:

Second comparing unit is used to compare default PCCPCH maximum transmission power and obtains comparison result with the PCCPCH transmitting power of determining;

Second is provided with the unit, is used for being provided with according to described comparison result the maximum transmission power of PCCPCH.

25. equipment according to claim 24 is characterized in that, described second comparing unit comprises:

Whether second judging unit is used to judge described default PCCPCH maximum transmission power less than the PCCPCH transmitting power of determining, and when being judged as when being, carrying out the 3rd and generates the unit, otherwise carry out the 4th generation unit;

The described the 3rd generates the unit, is used to generate comprise the comparison result that the PCCPCH maximum transmit power information need be set;

Described the 4th generation unit is used to generate and comprises the comparison result that need not to be provided with the PCCPCH maximum transmit power information.

26. equipment according to claim 25 is characterized in that, described second is provided with the unit comprises:

Second acquisition unit is used to obtain the comparison result of generation;

Second judging unit is used for judging whether described comparison result comprises that the PCCPCH maximum transmit power information need be set, and when being judged as when being, carries out second determining unit;

Described second determining unit, the maximum transmission power that is used for PCCPCH is set to the described PCCPCH transmitting power of determining.

27. the system that maximum transmission power is set is characterized in that, described system comprises: base band BBU, radio frequency zoom out RRU and operation maintenance equipment OMC,

Wherein, described operation maintenance equipment OMC comprises: