CN101400070A - Method and apparatus for network planning - Google Patents
Method and apparatus for network planning Download PDFInfo
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- CN101400070A CN101400070A CNA2008101807008A CN200810180700A CN101400070A CN 101400070 A CN101400070 A CN 101400070A CN A2008101807008 A CNA2008101807008 A CN A2008101807008A CN 200810180700 A CN200810180700 A CN 200810180700A CN 101400070 A CN101400070 A CN 101400070A
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Abstract
An embodiment of the invention discloses a network planning method, comprising: acquiring micro-station position information and macro-station position information, according to the micro-station position information and the macro-station position information, generating a micro-station neighboring list and a macro-station neighboring list; combining the micro-station neighboring list and the macro-station neighboring list, acquiring the neighboring list of the planning base station. The embodiment of the invention also provides a network planning device, comprising a generating module, for acquiring the micro-station position information and the macro-station position information, according to the micro-station position information and the macro-station position information, respectively generating a micro-station neighboring list and a macro-station neighboring list; an acquiring module, for combining the micro-station neighboring list and the macro-station neighboring list generated by the generating module, acquiring the neighboring list of the planning base station. The embodiment of the invention generates the neighboring list according to the position information, reaches the effect of optimizing the network planning.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of network plan method and device.
Background technology
Miniature PICO base station has FMC (Fixed-Mobile Convergence, wireless fixedly fusion) characteristic, adopt ripe ADSL (Asymmetric Digital Subscriber Line, ADSL (Asymmetric Digital Subscriber Line)), FTTH (Fiber To The Home, Fiber to the home) etc. the broadband network as transmission channel, can strengthen covering, capacity and the mobility of indoor wireless networks, obtain transmission cheaply, can build flexibly and easily.At WiMAX (Worldwide Interoperability for Microwave Access, the worldwide interoperability for microwave access) in the network planning of PICO base station, because the PICO base station power is little, the network environment complexity, set up the effectively three-dimensional network that covers, often need hundreds and thousands of PICO base stations, increased operating cost of operator.Therefore, operator's tissue has proposed the demand of the network planning to the PICO base station.
In the existing network planning scheme, the PICO base station is according to from high-rise CN (Core Network, core net) the frequency plan scheme of Xia Zaiing, the relevant interference situation of each frequency of scanning place frequency band, select to disturb minimum frequency, use frequency as this base station reports high-rise CN with this frequency simultaneously.The automatic planning of lead code preamble, comprise propagation delay time and signal strength signal intensity according to each base station, sorted in each base station, select the preamble of the base station that propagation delay time is long, signal strength signal intensity is low, preamble as base station to be planned, reduce base station to be planned and with the transmitting power of preamble base station, reduce base station to be planned and with the interference between the preamble base station.Carry out auto-initiation planning for Neighboring Cell List, upgrade the relevant Neighboring Cell List of configuration database simultaneously.The base station powers on after installing, peripheral signal is scanned, the signal that scans is carried out integral and calculating, obtain the intensity of peripheral signal, and peripheral signal is sorted according to signal strength signal intensity, will satisfy the relevant base station that requires of signal strength signal intensity as self adjacent area, upgrade the Neighboring Cell List of self base station.
The inventor is in realizing process of the present invention, and there are the following problems at least to find prior art:
Frequency in the network planning, preamble and adjacent section planning are all fairly simple, realize by self scanning of base station that just form the base station of interference for having only the fringe region covering to overlap, existing network planning scheme can't scan, therefore, can't carry out the comprehensive network planning.
Summary of the invention
The embodiment of the invention provides a kind of network plan method and device, makes the network planning more comprehensive.
The embodiment of the invention proposes a kind of network plan method, comprising:
Obtain little station location information and grand station location information,, generate little station Neighboring Cell List and grand station Neighboring Cell List respectively according to described little station location information and described grand station location information;
Merge described little station Neighboring Cell List and described grand station Neighboring Cell List, obtain the Neighboring Cell List of base station to be planned.
The embodiment of the invention also proposes a kind of network planning device, comprising:
Generation module is used to obtain little station location information and grand station location information, according to described little station location information and described grand station location information, generates little station Neighboring Cell List and grand station Neighboring Cell List respectively;
Acquisition module is used to merge described little station Neighboring Cell List and the described grand station Neighboring Cell List that described generation module generates, and obtains the Neighboring Cell List of base station to be planned.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, makes Neighboring Cell List more comprehensive, thereby, reached the effect of optimizing the network planning.
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.
Fig. 1 is a kind of network plan method flow chart in the embodiment of the invention;
Fig. 2 is a kind of specific implementation flow chart of the network planning in the embodiment of the invention;
Fig. 3 is the another kind of specific implementation flow chart of the network planning in the embodiment of the invention;
Fig. 4 is a kind of network planning structure drawing of device in the embodiment of the invention;
Fig. 5 is the another kind of network planning structure drawing of device in the embodiment of the invention;
Fig. 6 is another network planning structure drawing of device in the embodiment of 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 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.
As shown in Figure 1, a kind of network plan method flow chart in the embodiment of the invention may further comprise the steps:
Step 101 is obtained little station location information and grand station location information, according to little station location information and grand station location information, generates little station Neighboring Cell List and grand station Neighboring Cell List respectively.
Little station location information comprises BSID (the Base Station Identity of each PICO base station, the base station identity identification code), the building name and the floor at place, GPS (the GlobalPositioning System that also comprises each PICO base station, global positioning system) information such as longitude and latitude is arranged in the location information table of top management network element.Little station location information also comprises the GPS longitude and latitude of base station to be planned.When little station location information of certain PICO base station changed, the top management network element upgraded location information table.Grand station location information comprises information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, is arranged in the location information table of top management network element equally.Wherein, the contained fan direction is the covering bisector of angle of the corresponding sector of BSID.
When not considering macro base station, when only considering the PICO base station, the little station location information that can determine when the PICO base station is installed generates little station Neighboring Cell List of PICO to be planned base station automatically, and this little station Neighboring Cell List comprises all PICO base stations adjacent with PICO base station physical to be planned.The needed original input information of generation of little station Neighboring Cell List of PICO to be planned base station comprises little station location information, and this little station location information is arranged in the location information table of top management network element.
According to little station location information, generate little station Neighboring Cell List, specifically comprise: according to little station location information, obtain identical with the building name of base station to be planned, and with the layer or the BSID of adjacent bed; With the adjacent area of BSID, add the Neighboring Cell List of standing in a subtle way as base station to be planned.For example, the top management network element is that PICO.1 is when generating little station Neighboring Cell List, according to the little station location information in the location information table, obtain the BSID of all PICO base stations of identical with PICO.1 building name and same floor or adjacent bed, with the BSID that obtains adjacent area, add little station Neighboring Cell List of PICO.1 as PICO.1.Simultaneously, in little station Neighboring Cell List of top management network element with the adjacent area of the BSID adding PICO.1 of PICO.1.
When considering macro base station and PICO base station simultaneously, the needed original input information of generation of the Neighboring Cell List of PICO to be planned base station comprises little station location information, building name, floor and GPS longitude and latitude etc. as each PICO base station, and grand station location information, comprise information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, above-mentioned little station location information and grand station location information all are arranged in the location information table of top management network element.
Generate grand station Neighboring Cell List, specifically comprise: according to the GPS longitude and latitude of grand station location information and base station to be planned, obtain the distance between the macro base station corresponding of base station to be planned with BSID, and the angle between the contained fan direction corresponding with BSID of base station to be planned; If the distance between the macro base station corresponding with BSID of base station to be planned is not more than the coverage distance of macro base station, and the angle between the contained fan direction corresponding with BSID of base station to be planned is not more than 1/2 of sector angle of coverage, then BSID added grand station Neighboring Cell List.For example, the top management network element is that PICO.1 is when generating grand station Neighboring Cell List, obtain the GPS information of PICO.1 from little station location information table, GPS information to all BSID correspondences in the grand station location information is calculated one by one, obtain the included angle B of the PICO.1 contained fan direction corresponding with each BSID apart from the distance A of the macro base station of each BSID correspondence and PICO.1.When A＜=macro base station coverage distance and | during B|＜=(sector angle of coverage/2),, add the grand station Neighboring Cell List of PICO.1 with the macro base station adjacent area of this BSID as PICO.1.
Step 102 merges little station Neighboring Cell List and grand station Neighboring Cell List, obtains the Neighboring Cell List of base station to be planned.
The top management network element merges little station Neighboring Cell List, grand station Neighboring Cell List, in the Neighboring Cell List of PICO to be planned base station, add the BSID in the Neighboring Cell List of grand station earlier, add the BSID in the Neighboring Cell List of standing in a subtle way then, obtain the Neighboring Cell List of PICO to be planned base station.Behind little station location information and grand station location information generation Neighboring Cell List, can utilize this Neighboring Cell List to carry out the optimization of frequency and preamble.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, makes Neighboring Cell List more comprehensive, has reached the effect of optimizing the network planning.
As shown in Figure 2, a kind of specific implementation flow chart for the network planning in the embodiment of the invention may further comprise the steps:
The top management network element is according to little station location information and grand station location information, generate the little station Neighboring Cell List and the grand station Neighboring Cell List of PICO to be planned base station respectively, little station Neighboring Cell List, grand station Neighboring Cell List are merged, in the Neighboring Cell List of PICO to be planned base station, add the BSID in the Neighboring Cell List of grand station earlier, add the BSID in the Neighboring Cell List of standing in a subtle way then, obtain the Neighboring Cell List of PICO to be planned base station.
After PICO base station original frequency self planning finished, frequency and frequency multiplexing mode that the top management network element uses this PICO base station were recorded in the cell attribute table.The cell attribute epi-position is in the top management network element, be used to write down the information such as BSID, frequency, frequency multiplexing mode and preamble of each base station of top management NE management, by searching Neighboring Cell List and cell attribute table, can obtain the frequency and the frequency multiplexing mode information of all adjacent areas of PICO to be planned base station.
With the information that step 202 is obtained,, judge whether there be the alien frequencies frequency inequality in total frequency resource with the adjacent area frequency with total frequency resource comparison.
If there is the alien frequencies frequency in total frequency resource, then to PICO base station assigns alien frequencies frequency to be planned, it is PUSC WITH ALL SC that frequency multiplexing mode is set, and finishes frequency optimization.
If there is not the alien frequencies frequency in total frequency resource, judge that whether having frequency multiplexing mode in total frequency resource is the same frequent point of PUSC WITH ALL SC.
If having frequency multiplexing mode in total frequency resource is the same frequent point of PUSC WITH ALL SC, then should be with frequent point to PICO base station assigns to be planned, this is set is PUSC 1/3 with the frequency multiplexing mode of putting again and again, the frequency multiplexing mode of changing PICO base station, adjacent area simultaneously is PUSC 1/3, and different subchannels is used with PICO base station, adjacent area in PICO to be planned base station.And then execution in step 210, select FFR (Fractional Frequency Reuse, partial frequency multiplexing) frequency multiplexing mode networking
If not having frequency multiplexing mode in total frequency resource is the same frequent point of PUSC WITH ALL SC, judge that then whether total frequency resource exists unappropriated frequency multiplexing mode is the same frequent point of PUSC 1/3.
If having unappropriated frequency multiplexing mode in total frequency resource is the same frequent point of PUSC 1/3, then using should be with putting again and again and untapped PUSC 1/3 subchannel to PICO base station assigns to be planned.
If not having unappropriated frequency multiplexing mode in total frequency resource is the same frequent point of PUSC 1/3, then do not change the frequency of PICO to be planned base station, it is PUSC 1/3 that frequency multiplexing mode is set.
After determining the frequency and frequency multiplexing mode of PICO to be planned base station, select the networking of FFR frequency multiplexing mode, PUSCWITH ALL SC frequency multiplexing mode is used in the center of housing estate zone, and cell edge region is used PUSC 1/3 frequency multiplexing mode.
The top management network element travels through all PICO base stations according to the flow process of step 202 to step 210, realizes Automatic Frequency optimization.After optimizing end, the top management network element issues up-to-date frequency and frequency multiplexing mode is given the PICO base station.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, make Neighboring Cell List more comprehensive, distribute the frequency resource according to Neighboring Cell List, frequency multiplexing mode is set, thereby distribute the frequency resource more effective and reasonablely, reached the effect of optimizing the network planning.
As shown in Figure 3, the another kind of specific implementation flow chart for the network planning in the embodiment of the invention may further comprise the steps:
The top management network element is according to little station location information and grand station location information, generate the little station Neighboring Cell List and the grand station Neighboring Cell List of PICO to be planned base station respectively, and little station Neighboring Cell List of PICO to be planned base station, grand station Neighboring Cell List merged, BSID in the Neighboring Cell List of PICO to be planned base station in the grand station Neighboring Cell List of elder generation adding PICO to be planned base station, add the BSID in little station Neighboring Cell List of PICO to be planned base station then, obtain the Neighboring Cell List of PICO to be planned base station.
After PICO base station original frequency self planning finished, frequency and frequency multiplexing mode that the top management network element uses this PICO base station were recorded in the cell attribute table.The cell attribute epi-position is used to write down the information such as BSID, frequency, frequency multiplexing mode and preamble of each base station of top management NE management in the top management network element.By inquiry Neighboring Cell List and cell attribute table, can obtain the preamble operating position of the same frequency PICO base station in the Neighboring Cell List of PICO to be planned base station.
Step 303 with the preamble operating position of the same frequency PICO base station in the Neighboring Cell List, is compared with spendable preamble resource, obtains untapped preamble resource.
The top management network element is compared with spendable preamble resource after obtaining the operating position of the same preamble of PICO base station frequently.Because therefore the PICO base station number can exist the preamble that does not have use fully less than spendable preamble resource in the Neighboring Cell List.The top management network element does not have the preamble of use to one of PICO base station order assignment, and is handed down to the PICO base station, finishes the Preamble Automatic Optimal.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, make Neighboring Cell List more comprehensive, according to Neighboring Cell List preamble is optimized, guarantee the different preamble of same frequency PICO base station use in the Neighboring Cell List, the interference that has produced when having avoided same frequency PICO base station to use identical preamble has reached the effect of optimizing the network planning.
As shown in Figure 4, a kind of network planning structure drawing of device in the embodiment of the invention comprises:
Little station location information comprises the BSID of each PICO base station, the building name and the floor at place, also comprises the information such as GPS longitude and latitude of each PICO base station, is arranged in the location information table of top management network element.Little station location information also comprises the GPS longitude and latitude of base station to be planned.When little station location information of certain PICO base station changed, the top management network element upgraded location information table.Grand station location information comprises information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, is arranged in the location information table of top management network element equally.
When not considering macro base station, when only considering the PICO base station, little station location information that generation module 401 can be determined when the PICO base station is installed generates little station Neighboring Cell List of PICO to be planned base station automatically, and this little station Neighboring Cell List comprises all PICO base stations adjacent with PICO base station physical to be planned.The needed original input information of generation of little station Neighboring Cell List of PICO to be planned base station comprises little station location information, and this little station location information is arranged in the location information table of top management network element.
When considering macro base station and PICO base station simultaneously, the needed original input information of generation of the Neighboring Cell List of PICO to be planned base station comprises little station location information, building name, floor and GPS longitude and latitude etc. as each PICO base station, and grand station location information, comprise information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, above-mentioned little station location information and grand station location information all are arranged in the location information table of top management network element.
Generation module 401 generates grand station Neighboring Cell List, specifically comprise: according to the GPS longitude and latitude of grand station location information and base station to be planned, obtain the distance between the macro base station corresponding of base station to be planned with BSID, and the angle between the contained fan direction corresponding with BSID of base station to be planned; If the distance between the macro base station corresponding with BSID of base station to be planned is not more than the coverage distance of macro base station, and the angle between the contained fan direction corresponding with BSID of base station to be planned is not more than 1/2 of sector angle of coverage, and generation module 401 adds grand station Neighboring Cell List with BSID.For example, generation module 401 is for PICO.1 generates during the Neighboring Cell List of grand station, obtain the GPS information of PICO.1 from little station location information table, GPS information to all BSID correspondences in the grand station location information is calculated one by one, obtain the included angle B of the PICO.1 contained fan direction corresponding with each BSID apart from the distance A of the macro base station of each BSID correspondence and PICO.1.When A＜=macro base station coverage distance and | during B|＜=(sector angle of coverage/2), generation module 401 is the macro base station adjacent area of this BSID as PICO.1, adds the grand station Neighboring Cell List of PICO.1.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, makes Neighboring Cell List more comprehensive, has reached the effect of optimizing the network planning.
As shown in Figure 5, the another kind of network planning structure drawing of device in the embodiment of the invention comprises:
Little station location information comprises the BSID of each PICO base station, the building name and the floor at place, also comprises the information such as GPS longitude and latitude of each PICO base station, is arranged in the location information table of top management network element.Little station location information also comprises the GPS longitude and latitude of base station to be planned.When little station location information of certain PICO base station changed, the top management network element upgraded location information table.Grand station location information comprises information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, is arranged in the location information table of top management network element equally.
When not considering macro base station, when only considering the PICO base station, little station location information that generation module 501 can be determined when the PICO base station is installed generates little station Neighboring Cell List of PICO to be planned base station automatically, and this little station Neighboring Cell List comprises all PICO base stations adjacent with PICO base station physical to be planned.The needed original input information of generation of little station Neighboring Cell List of PICO to be planned base station comprises little station location information, and this little station location information is arranged in the location information table of top management network element.
When considering macro base station and PICO base station simultaneously, the needed original input information of generation of the Neighboring Cell List of PICO to be planned base station comprises little station location information, building name, floor and GPS longitude and latitude etc. as each PICO base station, and grand station location information, comprise information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, above-mentioned little station location information and grand station location information all are arranged in the location information table of top management network element.
Generation module 501 generates grand station Neighboring Cell List, specifically comprise: according to the GPS longitude and latitude of grand station location information and base station to be planned, obtain the distance between the macro base station corresponding of base station to be planned with BSID, and the angle between the contained fan direction corresponding with BSID of base station to be planned; If the distance between the macro base station corresponding with BSID of base station to be planned is not more than the coverage distance of macro base station, and the angle between the contained fan direction corresponding with BSID of base station to be planned is not more than 1/2 of sector angle of coverage, and generation module 501 adds grand station Neighboring Cell List with BSID.For example, generation module 501 is for PICO.1 generates during the Neighboring Cell List of grand station, obtain the GPS information of PICO.1 from little station location information table, GPS information to all BSID correspondences in the grand station location information is calculated one by one, obtain the included angle B of the PICO.1 contained fan direction corresponding with each BSID apart from the distance A of the macro base station of each BSID correspondence and PICO.1.When A＜=macro base station coverage distance and | during B|＜=(sector angle of coverage/2), generation module 501 adds the grand station Neighboring Cell List of PICO to be planned base station with the macro base station adjacent area of this BSID as PICO.1.
After PICO base station original frequency self planning finished, frequency and frequency multiplexing mode that the top management network element uses this PICO base station were recorded in the cell attribute table.This cell attribute epi-position is used to write down the information such as BSID, frequency, frequency multiplexing mode and preamble of each base station of top management NE management in the top management network element.First searches module 503 searches Neighboring Cell List and cell attribute table, can obtain the frequency and the frequency multiplexing mode information of all adjacent areas of PICO to be planned base station.
If there is the alien frequencies frequency in total frequency resource, then distribution module 505 is to this alien frequencies frequency of PICO base station assigns to be planned, and it is PUSC WITH ALL SC that frequency multiplexing mode is set, and finishes frequency optimization.
Above-mentioned judge module 504 also is used for when not having the alien frequencies frequency, and judging whether to exist frequency multiplexing mode is the same frequent point of PUSC WITH ALL SC.
There is not the alien frequencies frequency if judge module 504 is judged in total frequency resource, continues to judge that whether having frequency multiplexing mode in total frequency resource is the same frequent point of PUSC WITH ALL SC.
Above-mentioned distribution module 505, also be used for when judge module 504 judges that having frequency multiplexing mode is same frequent of PUSC WITH ALL SC, the dividing frequency multiplex mode is the same frequent point of PUSC WITH ALLSC, is set to PUSC 1/3 with frequent frequency multiplexing mode.
If judge module 504 judges that having frequency multiplexing mode in total frequency resource is the same frequent point of PUSC WITHALL SC, then distribution module 505 should be with frequent point to PICO base station assigns to be planned, this is set is PUSC 1/3 with the frequency multiplexing mode of putting again and again, the frequency multiplexing mode of changing PICO base station, adjacent area simultaneously is PUSC 1/3, uses different subchannels.
Above-mentioned judge module 504 also is used for when not have frequency multiplexing mode be same frequent of PUSC WITH ALL SC, and judging whether to exist unappropriated frequency multiplexing mode is the same frequent point of PUSC 1/3.
If judge module 504 judges that not having frequency multiplexing mode in total frequency resource is the same frequent point of PUSCWITH ALL SC, then continuing to judge whether to exist unappropriated frequency multiplexing mode is the same frequent point of PUSC 1/3.
Above-mentioned distribution module 505 also is used for when judge module 504 judges that having unappropriated frequency multiplexing mode is same frequent of PUSC 1/3, and distributing unappropriated frequency multiplexing mode is the same frequent point of PUSC 1/3.
If judge module 504 judges that having unappropriated frequency multiplexing mode in total frequency resource is the same frequent point of PUSC 1/3, then distribution module 505 should be with putting again and again and untapped PUSC 1/3 subchannel to PICO base station assigns to be planned.If judge module 504 judges that not having unappropriated frequency multiplexing mode is the same frequent point of PUSC 1/3, then do not change the frequency of PICO to be planned base station, it is PUSC 1/3 that frequency multiplexing mode is set.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, make Neighboring Cell List more comprehensive, distribute the frequency resource according to Neighboring Cell List, frequency multiplexing mode is set, thereby distribute the frequency resource more effective and reasonablely, reached the effect of optimizing the network planning.
As shown in Figure 6, another network planning structure drawing of device in the embodiment of the invention comprises:
When not considering macro base station, when only considering the PICO base station, little station location information that generation module 601 can be determined when the PICO base station is installed generates little station Neighboring Cell List of PICO to be planned base station automatically, and this little station Neighboring Cell List comprises all PICO base stations adjacent with PICO base station physical to be planned.The needed original input information of generation of little station Neighboring Cell List of PICO to be planned base station comprises little station location information, and this little station location information is arranged in the location information table of top management network element.
When considering macro base station and PICO base station simultaneously, the needed original input information of generation of the Neighboring Cell List of PICO to be planned base station comprises little station location information, building name, floor and GPS longitude and latitude etc. as each PICO base station, and grand station location information, comprise information such as the BSID of GPS longitude and latitude, respective sectors of each macro base station and contained fan direction, above-mentioned little station location information and grand station location information all are arranged in the location information table of top management network element.
Generation module 601 generates grand station Neighboring Cell List, specifically comprise: according to the GPS longitude and latitude of grand station location information and base station to be planned, obtain the distance between the macro base station corresponding of base station to be planned with BSID, and the angle between the contained fan direction corresponding with BSID of base station to be planned; If the distance between the macro base station corresponding with BSID of base station to be planned is not more than the coverage distance of macro base station, and the angle between the contained fan direction corresponding with BSID of base station to be planned is not more than 1/2 of sector angle of coverage, and generation module 601 adds grand station Neighboring Cell List with BSID.For example, generation module 601 is for PICO.1 generates during the Neighboring Cell List of grand station, obtain the GPS information of PICO.1 from little station location information table, GPS information to all BSID correspondences in the grand station location information is calculated one by one, obtain the included angle B of the PICO.1 contained fan direction corresponding with each BSID apart from the distance A of the macro base station of each BSID correspondence and PICO.1.When A＜=macro base station coverage distance and | during B|＜=(sector angle of coverage/2), generation module 601 is the macro base station adjacent area of this BSID as PICO.1, adds the grand station Neighboring Cell List of PICO.1.
After PICO base station original frequency self planning finished, frequency and frequency multiplexing mode that the top management network element uses this PICO base station were recorded in the cell attribute table.This cell attribute epi-position is in the top management network element, be used to write down the information such as BSID, frequency, frequency multiplexing mode and preamble of each base station of top management NE management, second searches module 603 inquiry Neighboring Cell List and cell attribute tables, can obtain the preamble operating position of the same frequency PICO base station in the Neighboring Cell List of PICO to be planned base station.
The top management network element is compared with spendable preamble resource by comparison module 604 after obtaining the operating position of the same preamble of PICO base station frequently.Because therefore the PICO base station number can exist the preamble that does not have use fully less than spendable preamble resource in the Neighboring Cell List.Second distribution module 605 does not have the preamble of use to one of PICO base station order assignment, and is handed down to the PICO base station, finishes the Preamble Automatic Optimal.
The technical scheme of the embodiment of the invention has the following advantages, because generate Neighboring Cell List according to positional information, make Neighboring Cell List more comprehensive, according to Neighboring Cell List preamble is optimized, guarantee the different preamble of same frequency PICO base station use in the Neighboring Cell List, the interference that has produced when having avoided same frequency PICO base station to use identical preamble has reached the effect of optimizing the network planning.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (12)
1, a kind of network plan method is characterized in that, comprising:
Obtain little station location information and grand station location information,, generate little station Neighboring Cell List and grand station Neighboring Cell List respectively according to described little station location information and described grand station location information;
Merge described little station Neighboring Cell List and described grand station Neighboring Cell List, obtain the Neighboring Cell List of base station to be planned.
2, the method for claim 1 is characterized in that, described little station location information specifically comprises base station identity identification code BSID, building name and floor;
Described according to little station location information, generate little station Neighboring Cell List, specifically comprise:
Obtain identical with the building name of described base station to be planned, and with the layer or the BSID of adjacent bed;
With the adjacent area of described BSID, add described little station Neighboring Cell List as described base station to be planned.
3, the method for claim 1, it is characterized in that described grand station location information specifically comprises the global position system GPS longitude and latitude of macro base station, the BSID and the contained fan direction of sector correspondence, described little station location information also comprises the GPS longitude and latitude of described base station to be planned;
The grand station of described generation Neighboring Cell List specifically comprises:
According to the GPS longitude and latitude of described grand station location information and described base station to be planned, obtain the distance between the macro base station corresponding of described base station to be planned with BSID, and the angle between the contained fan direction corresponding with described BSID of described base station to be planned;
If the distance between the macro base station corresponding with described BSID of described base station to be planned is not more than the coverage distance of described macro base station, and the angle between the contained fan direction corresponding with described BSID of described base station to be planned is not more than 1/2 of sector angle of coverage, then described BSID is added described grand station Neighboring Cell List.
4, the method for claim 1 is characterized in that, described obtaining after the Neighboring Cell List also comprises:
Search described Neighboring Cell List and cell attribute table, obtain the frequency point information and the frequency multiplexing mode information of adjacent area;
The frequency point information of more described adjacent area and total frequency resource judge whether to exist the alien frequencies frequency, if there is described alien frequencies frequency, then distribute described alien frequencies frequency, frequency multiplexing mode are set for all using subcarrier.
5, method as claimed in claim 4 is characterized in that, describedly judges whether to exist after the alien frequencies frequency, also comprises:
If there is no described alien frequencies frequency, then judging whether to exist frequency multiplexing mode is the same frequent point that all uses subcarrier;
If exist described frequency multiplexing mode for all using the same frequent points of subcarriers, then distribute described frequency multiplexing mode for all using the same frequent points of subcarriers, be configured such that subcarrier with described with the frequency multiplexing mode of point again and again with 1/3.
6, method as claimed in claim 5 is characterized in that, described to judge whether to exist frequency multiplexing mode be all to use after the same frequent point of subcarrier, also comprises:
If there is no described frequency multiplexing mode is the same frequent point that all uses subcarrier, then judges whether to exist the same frequent point of unappropriated frequency multiplexing mode for the subcarrier of use 1/3;
If there be the same frequent point of described unappropriated frequency multiplexing mode, then distribute the same frequent point of described unappropriated frequency multiplexing mode for the subcarrier of use 1/3 for the subcarrier of use 1/3.
7, the method for claim 1 is characterized in that, described obtaining after the Neighboring Cell List also comprises:
Search described Neighboring Cell List and cell attribute table, obtain the lead code preamble operating position of the miniature PIDO of the same frequency base station in the described Neighboring Cell List;
With the preamble operating position of the same frequency PICO base station in the described Neighboring Cell List, compare with spendable preamble resource, obtain untapped preamble resource;
From described untapped preamble resource, distribute a untapped preamble.
8, a kind of network planning device is characterized in that, comprising:
Generation module is used to obtain little station location information and grand station location information, according to described little station location information and described grand station location information, generates little station Neighboring Cell List and grand station Neighboring Cell List respectively;
Acquisition module is used to merge described little station Neighboring Cell List and the described grand station Neighboring Cell List that described generation module generates, and obtains the Neighboring Cell List of base station to be planned.
9, device as claimed in claim 8 is characterized in that, also comprises:
First searches module, is used to search described Neighboring Cell List and the cell attribute table that described acquisition module obtains, and obtains the frequency point information and the frequency multiplexing mode information of adjacent area;
Judge module is used for more described first and searches the frequency point information of the described adjacent area that module obtains and total frequency resource, judges whether to exist the alien frequencies frequency;
Distribution module is used for judging at described judge module and distributes described alien frequencies frequency when having described alien frequencies frequency, frequency multiplexing mode is set for all using subcarriers.
10, device as claimed in claim 9 is characterized in that, described judge module also is used for when not having described alien frequencies frequency, and judging whether to exist frequency multiplexing mode is the same frequent point that all uses subcarrier;
Described distribution module, also being used for judging at described judge module exists described frequency multiplexing mode when all using same frequent of subcarriers, distribute described frequency multiplexing mode for all using the same frequent points of subcarriers, be configured such that subcarrier with the frequency multiplexing mode of point again and again with 1/3 with described.
11, device as claimed in claim 10, it is characterized in that, described judge module also is used for not existing described frequency multiplexing mode when all using same frequent of subcarriers, judges whether to exist unappropriated frequency multiplexing mode for using the same frequent point of 1/3 subcarrier;
Described distribution module also is used for judging at described judge module existing described unappropriated frequency multiplexing mode when using same frequent of 1/3 subcarrier, distributes described unappropriated frequency multiplexing mode for using the same frequent point of 1/3 subcarrier.
12, device as claimed in claim 8 is characterized in that, also comprises:
Second searches module, is used to search described Neighboring Cell List and the cell attribute table that described acquisition module obtains, and obtains the preamble operating position of the same frequency PICO base station in the described Neighboring Cell List;
Comparison module is used for the preamble operating position of searching the same frequency PICO base station of the described Neighboring Cell List that module obtains with described second, compares with spendable preamble resource, obtains untapped preamble resource;
Second distribution module is used for the described untapped preamble resource obtained from described comparison module, distributes a untapped preamble.
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| CN2008101807008A CN101400070B (en) | 2008-11-19 | 2008-11-19 | Method and apparatus for network planning |
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