CN101790175A - Method, device and system for realizing PICO base station configuration - Google Patents
Method, device and system for realizing PICO base station configuration Download PDFInfo
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Abstract
The embodiment of the invention relates to a method, a device and a system for realizing PICO base station configuration. The method comprises the following steps that: OMC establishes a communication link with a PICO base station through a GBSC and a DHCP router server, and issues a down frequency point set to the PICO base station, and the down frequency point set is used for indicating the PICO base station to scan down frequency points in the down frequency point set; the OMC receives the scanning result of the down frequency points reported by the PICO base station, the scanning result includes down receiving level values, and the down receiving level values correspond to the down frequency points; and the OMC configures the attributive BSC of a subdistrict corresponding to the down frequency point with the largest down receiving level value into the attributive BSC of the PICO base station. When being adopted, the method, the device and the system of the invention effectively reduce the times of cross-BSC and MSC switching and position updating, and reduce the system signaling load.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of methods, devices and systems of realizing the PICO base station configuration.
Background technology
Along with the development of wireless network, the mobile communication system capacity is increasing, and base station number is more and more in the system, and the user is also more and more higher for the demand that network seamless covers; In order to better meet the requirement of the network coverage, at original macro base station, on the basis of little base station, constantly expedite the emergence of out PICO (Pico cell) base station as being used for the indoor covering of focus, AP (Access Point, access point) femto base station and be used for that low-cost base station that remote countryside covers etc. is various to possess automatic configuration such as, the neomorph base station (hereafter is the PICO base station) of planning and optimizational function, and because the existence of this kind neomorph base station, make wireless networking become increasingly complex, and then make original dependence manually carry out network configuration, planning and the pattern of optimizing will face huge networking and maintenance cost, and operator can't accept.Therefore, these neomorph base stations possess the indispensable function that automatic configuration, planning and optimizational function become Carrier Requirements, and therefore the automatic configuration of wireless network and optimisation technique also become the new focus of radio communication research.
And in a single day possessed functions such as automatic configuration, planning and optimization when above-mentioned PICO base station, it will develop into user side PnP (Plug and Play to a great extent, plug and play) equipment, by the user buy voluntarily, installation and open-minded, and comparatively universal xDSL (the x Digital SubscriberLine of utilization, Digital Subscriber Line) IP network transmission technology such as, the access mobile communication net also provides service; So its installation site, service time are random distribution, rather than as existing macro base station, little base station, be to carry out detailed planning in advance:
With a medium-sized city network analysis, the distribution of the installation site of PICO base station is at random, may be installed in any position in a city, and be difficult to obtain accurate position (longitude and latitude) information of its installation; Wherein, a medium-sized city mobile network generally can be divided into several to dozens of MSC (MobileSwitching Center, mobile switching centre), because BSC (Base Station Controller, base station controller) can only be under the jurisdiction of a MSC, if and the PICO base station fixedly is subordinated to certain private BSC, with causing the switching of major part or whole PICO base station and neighboring interval is to stride BSC area, MSC switches, compare itself and same BSC, same LAC (Location Area Code, the lane place coding) (the GSM speech business is called the lane place, be called the route district in the data services such as GPRS, other standard system parameters titles are different, below be the example explanation with the LAC of gsm system) switching in the district, switching time is long, handover success rate is low, it is poor that the user experiences; Simultaneously, because the sub-district gravity treatment is most or be the gravity treatment of cross-location district all between PICO sub-district and adjacent macro cell, the signaling traffic load that also can increase the weight of system is upgraded in therefore more position.Wherein, described BSC is at GSM (Global System for Mobilecommunications, global system for mobile communications) system and CDMA (Code Division MultipleAddressing, code division multiple access) is called BSC in the system, and at UMTS (Universal MobileTelecommunication System, universal mobile telecommunications system) is called RNC (RadioNetwork Controller in, radio network controller), respective network elements has different separately addresses in other standard systems, below is the example explanation with BSC among the GSM;
At this, there are several solutions in the prior art, one of them is: a fixing BSC is set, be exclusively used in neomorph base stations such as inserting PICO, this BSC supports " Multi-LAC (multiposition district function) " function, can be according to LAI (Location Area Identity, the Location Area Identification) distribution condition of PICO adjacent area, distribute for each PICO and be adjacent the identical LAI in sub-district, so that the LAI of itself and neighbor cell is consistent as far as possible; But owing to need to distribute the quantity of LAI more under the BSC of this kind scheme access PICO, cause numerous LAC calling messages all can be dealt on this BSC, and the many more call signaling loads of LAI can be big more under the BSC, and the disposal ability of BSC also is difficult to support more LAI; In addition, still can not avoid or reduce for the problem of above-mentioned BSC of striding and MSC switching, handover success rate between PICO sub-district and adjacent macro cell and quality still may be relatively poor.
Summary of the invention
The embodiment of the invention provides a kind of methods, devices and systems of the PICO of realization base station configuration, has reduced to stride BSC, stride that MSC switches and the position update times.
For addressing the above problem, the technical scheme that the embodiment of the invention provides is as follows:
A kind of method that realizes Pico cell PICO base station configuration, this method comprises:
The OMC of operation maintenance center is by the communication link of critical point access base station controller GBSC and foundation of dynamic host configuration protocol DHCP routing server and described PICO base station, and issuing the set of descending frequency to described PICO base station, described descending frequency set is used for indicating described PICO base station that the descending frequency of described descending frequency set is scanned;
Described OMC receives the scanning result of the descending frequency that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described OMC is configured to the home base station controller BSC of the descending frequency institute respective cell of described descending incoming level value maximum the ownership BSC of described PICO base station.
A kind of device of realizing the PICO base station configuration, this device comprises: communication unit, the set of descending frequency transmitting element, receiving element and dispensing unit; Wherein,
Described communication unit is used for the communication link by critical point access base station controller GBSC and foundation of dynamic host configuration protocol DHCP routing server and described PICO base station;
Described descending frequency set transmitting element is used for issuing descending frequency set to described PICO base station, and the descending frequency that described descending frequency set is used for indicating described PICO base station that described descending frequency is gathered scans;
Described receiving element is used to receive the scanning result of the descending frequency that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described dispensing unit is used for the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station.
A kind of system that realizes the PICO base station configuration comprises the OMC of operation maintenance center, BSC, GBSC, DHCP routing server and PICO base station; Wherein,
Described PICO base station is used to carry out descending frequency point scanning, and reports the scanning result that comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described DHCP routing server is used to set up the communication link between described GBSC and described PICO base station;
Described GBSC is used to set up the communication link between described OMC and described PICO base station;
Described OMC is used for setting up communication link by described GBSC and DHCP routing server and PICO base station, and issue the set of descending frequency to described PICO base station, receive the scanning result that comprises descending incoming level value that described PICO base station reports, described descending incoming level value is corresponding with described descending frequency; The ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station.
As can be seen, adopt the method for the embodiment of the invention, device and system, OMC sets up communication link by GBSC and DHCP routing server and PICO base station, OMC issues descending frequency set to described PICO base station then, and receive the scanning result of the descending frequency that described PICO base station reports, described scanning result comprises descending incoming level value, described OMC is configured to the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum the ownership BSC of described PICO base station, and be PICO base station assigns LAI, reduced with this and to have striden BSC or to stride that MSC switches and the position update times, thereby promoted PICO sub-district and gravity treatment of sub-district, adjacent area and switching index.
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 that the embodiment of the invention 1 realizes that the system of PICO base station configuration forms schematic diagram;
Fig. 2 is that the structure of the OMC of the embodiment of the invention 1 realization PICO base station configuration is formed schematic diagram;
Fig. 3 is the method flow schematic diagram that the embodiment of the invention 3 realizes the PICO base station configuration;
Fig. 4 is the method flow schematic diagram that the embodiment of the invention 4 realizes the PICO base station configuration;
Fig. 5 is the method flow schematic diagram that the embodiment of the invention 5 realizes the PICO base station configuration.
Embodiment
The embodiment of the invention is if the BSC of PICO base station ownership is configured to most of adjacent area or whole BSC under the adjacent area, and to its distribution LAI identical with the adjacent area, just can make PICO sub-district and adjacent sub-district belong to same BSC, with the LAC district, so PICO sub-district and neighboring interval switching, gravity treatment then major part be same MSC, with BSC with in the LAC district, not only improve user impression and handover success rate, simultaneously also effectively the mitigation system signaling bear.
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.
The embodiment of the invention 1 relates to a kind of system of the PICO of realization base station configuration, as shown in Figure 1, the system that the embodiment of the invention relates to removes OMC (the Operations andMaintenance Center that comprises in the existing communication system, operation maintenance center), the BSC that is connected with described OMC and with macro base station that described BSC is connected outside, this system also comprises GBSC (Gateway BSC, critical point access base station controller), DHCP (Dynamic Host Configuration Protocol, DHCP) routing server and PICO base station; Described GBSC links to each other with the DCHP routing server, and described GBSC is connected with described OMC respectively with the DCHP routing server; Wherein,
Descending frequency point scanning is carried out after being used to receive descending frequency set in described PICO base station, and measure Rxlev_DL (descending incoming level) value of each frequency in the set of descending frequency, report the scanning result of described descending frequency then, comprised described Rxlev_DL value in this scanning result;
Described DHCP routing server is connected with described GBSC, when being used in described PICO base station first access network, set up and described PICO base station between communication link, and then set up communication link between described GBSC and described PICO base station;
Described GBSC is connected with described OMC, is used for setting up communication link by DHCP routing server and described PICO base station when the first access network of described PICO, sets up communication link between described OMC and described PICO base station with this;
Described OMC is used for behind the communication link that passes through between foundation of described GBSC and DHCP routing server and PICO base station, communicate by letter with PICO by described GBSC, the descending frequency set of needs scanning is handed down to described PICO base station, and receiving the scanning result that comprises descending incoming level value that described PICO base station reports, described descending incoming level value is corresponding with described descending frequency; The ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station;
In addition, as shown in Figure 2, described in the specific implementation OMC200 can comprise: communication unit 201, the set of descending frequency transmitting element 202, receiving element 203 and dispensing unit 204; Wherein,
Described communication unit 201 is used for setting up communication link by GBSC and DHCP routing server and described PICO base station;
Described descending frequency set transmitting element 202 is used for descending frequency set is handed down to described PICO base station, and the descending frequency that described descending frequency set is used for indicating described PICO base station that described descending frequency is gathered scans;
Described receiving element 203 is used to receive the descending frequency point scanning result that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described dispensing unit 204 is used for the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station.
In addition, described dispensing unit 204 also can comprise determination module and distribution module; Wherein, described determination module is used for the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is defined as the ownership BSC of described PICO base station; Described distribution module is used for the LAI of the frequency respective cell of described descending incoming level value maximum is distributed to this PICO base station; Illustrate below:
In the specific implementation, the scanning result that described dispensing unit 204 receives according to described receiving element 203, can but do not limit with the Rxlev_DL value described frequency carried out descending sort, because of the maximum pairing sub-district of frequency of described Rxlev_DL value most possibly is the sub-district gravity treatment to take place and switch maximum sub-districts with the PICO base station overlay area, thereby described determination module is defined as the ownership BSC of this sub-district the ownership BSC (being designated hereinafter simply as HBSC) of PICO base station; Described then dispensing unit 204 can be searched the IP address of the HBSC idle port of described PICO base station, and by issue new modes such as IP address to the PICO base station, link so that the PICO base station is set up with described HBSC, and distribute to the PICO base station by the pairing sub-district LAI of the described distribution module frequency that the Rxlev_DL value is the highest.
Based on the foregoing description, the embodiment of the invention 2 also relates to a kind of system of the PICO of realization base station configuration, and this system is on the basis of the foregoing description 1 system, and described OMC also can comprise: statistic unit and updating block; Wherein,
Described statistic unit is used for after described PICO base station changes normal operating conditions over to, periodic statistics PICO base station record from current area " going out sub-district switching command number of times " of each adjacent sub-district under each lane place, described " going out sub-district switching command number of times " is in order to reflect the mobile frequent degree of MS (portable terminal) between PICO base station cell and each neighbor cell area of coverage, merge by the adjacent sub-district number of times that the lane place is identical, can reflect the mobile frequent degree of MS, then statistics be notified described updating block in PICO base station cell and each diverse location interval; Wherein, it should be noted that, for the mobile frequent degree of more accurate reflection MS between PICO base station cell and each neighbor cell area of coverage, can screen " going out sub-district switching command number of times " according to switch reasons, only statistics according to " uplink signal strength " or " downstream signal intensity " wait determine can the reflecting edge switching switching times, get rid of the switching that other reasons such as disturbance switching causes, but present embodiment is not limited thereto, do not repeat them here;
Described updating block is used for determining the new ownership BSC of described PICO base station and upgrading the LAI of described PICO base station according to the statistics of described statistic unit; For example, can the statistics of described statistic unit be sorted in the specific implementation, and the LAI that shows the place, sub-district that switching times is the most frequent behind the ranking results is distributed to described PICO base station to replace original LAI; Concrete, can adopt following manner to upgrade the LAI of PICO base station, but be not limited thereto:
If PICO base station record from current area to the primary importance district such as the LAI_new lane place under " going out sub-district switching command number of times " of each sub-district exceed PICO base station record from current area when " going out sub-district switching command number of times " of each adjacent sub-district, belonging positions district, PICO base station reaches default ratio thresholding, then the current LAI in described PICO base station is updated to LAI_new; Perhaps, if PICO base station record from current area to the primary importance district such as the LAI_new lane place under each sub-district " going out sub-district switching command number of times " though be not enough to exceed PICO base station record reach default ratio thresholding from current area " going out sub-district switching command number of times " to each adjacent sub-district, belonging positions district, PICO base station, all surpass the number of times of PICO to each adjacent area, co-located district but continue the individual cycle times of N (N is the preset times thresholding), also be updated to LAI_new with the current LAI in described PICO base station this moment;
Concrete, described updating block also can comprise: enquiry module and heavy distribution module; Wherein, described enquiry module be used for when PICO base station record from current area to the primary importance district such as the LAI_new lane place under " going out sub-district switching command number of times " of each sub-district exceed PICO base station record reach default ratio thresholding from current area " going out sub-district switching command number of times " to each adjacent sub-district, belonging positions district, PICO base station, or when PICO base station record from current area under the primary importance district such as the LAI_new lane place under " going out sub-district switching command number of times " of each sub-district exceed PICO base station record from current area when each adjacent sub-district, belonging positions district, PICO base station " going out sub-district switching command number of times " continues N cycle times, search the affiliated BSC of LAI_new, and notify described heavy distribution module lookup result;
Described heavy distribution module is used for the minimum BSC of BSC carrier frequency number under the described LAI_new is configured to the new HBSC of PICO base station, and the LAI in described primary importance district distributed to described PICO base station, it should be noted that, BSC may be one under the LAI_new that described enquiry module is searched, also may be a plurality of, specifically decide according to the truth situation, this paper does not do concrete qualification; Wherein, can be the new HBSC of PICO base station configuration by following manner, but be not limited to this: the IP address of inquiring about described new HBSC idle port, notify described DHCP routing server to disconnect communicating to connect of PICO and former HBSC, and by issue new modes such as IP address to the PICO base station, the PICO base station is inserted the idle port of new HBSC, thereby be the new HBSC of described PICO base station configuration, issue LAI_new by new HBSC then and give the PICO base station, finish the BSC and the lane place of PICO base station and optimize renewal.
As can be seen, adopt the scheme of the embodiment of the invention, the descending incoming level value that comprises in the scanning result that described OMC utilizes described PICO base station to carry out reporting behind the descending frequency point scanning is described PICO base station configuration ownership BSC, and be PICO base station assigns LAI, reduced with this and to have striden that BSC, MSC switch and the position update times, thereby promoted PICO sub-district and the gravity treatment of sub-district, adjacent area and switched index, and improved user's impression, effectively the mitigation system signaling is born, and has reduced networking, optimization and the maintenance cost of wireless network.
Based on above-mentioned principle, the embodiment of the invention 3 also provides a kind of method of the PICO of realization base station configuration, is applied to comprise in the wireless communication system of GBSC, DHCP routing server, OMC and PICO, and as shown in Figure 3, this method comprises:
Step 301:OMC sets up the communication link of PICO base station and OMC by GBSC and DHCP routing server;
Concrete, the initial target IP address that the PICO base station at first is set is the IP address setting of described DHCP routing server, when described PICO base station first during access network, described DHCP routing server is inserted with described PICO base station in initial target IP address according to described PICO, and by described DHCP routing server with described PICO base station chaining to described GBSC, to set up the communication link between described PICO base station and the described GBSC;
Step 302: described OMC issues descending frequency set to described PICO base station, and the descending frequency that described descending frequency set is used for indicating described PICO base station that described descending frequency is gathered scans;
During concrete enforcement, set up communication link in described GBSC and described PICO base station after, described OMC can pass through described GBSC and described PICO base station communication; The descending frequency set that described then OMC will need to scan is handed down to described PICO base station, to indicate described PICO base station according to the descending frequency point scanning of this descending frequency set carrying out; The Rxlev_DL value of each frequency in the descending frequency set is measured in described PICO base station when carrying out descending frequency point scanning;
Step 303: described OMC receives the scanning result of the descending frequency that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Step 304: described OMC is configured to the home base station controller BSC of the descending frequency institute respective cell of described descending incoming level value maximum the ownership BSC of described PICO base station; Wherein, when specifically implementing, can adopt following manner to be PICO base station configuration ownership BSC, but be not limited thereto:
According to the Rxlev_DL value in the described scanning result that receives described frequency is carried out descending sort, the ownership BSC of the frequency institute respective cell that described Rxlev_DL value is maximum is defined as the ownership BSC of described PICO base station; Concrete, after receiving the scanning result that described PICO base station reports, at first analyze this scanning result, and described frequency is carried out descending sort according to described Rxlev_DL value, wherein, the maximum frequency corresponding district of Rxlev_DL value most possibly is the sub-district gravity treatment to take place and switch maximum sub-districts with the PICO base station overlay area, so the ownership BSC of this neighbor cell is defined as the ownership BSC (abbreviating HBSC as) of PICO base station;
Search the IP address of described PICO base station ownership BSC idle port, notify described PICO base station to link to each other with the idle port of its ownership BSC, the frequency corresponding district LAI that described Rxlev_DL value is maximum distributes to this PICO base station; During concrete enforcement, behind the ownership BSC that has determined described PICO base station, search the IP address of the ownership BSC idle port of this PICO base station, and notify described DHCP routing server to disconnect communication link between described PICO base station and the described GBSC, then by issuing new modes such as IP address to described PICO base station, so that the idle port of described PICO base station and its ownership BSC is set up communication linkage, thereby be described its BSC that is belonged to of PICO base station configuration, and the frequency corresponding district LAI that described Rxlev_DL value is maximum distributes to this PICO base station.
Idiographic flow during below with the initial connecting system in PICO base station is the method that example describes the foregoing description in detail, as the embodiment of the invention 4 and shown in Figure 4:
When the S401:PICO base station is initially inserted and described DHCP routing server connect, and set up communication link between described PICO base station and the described GBSC by the communication link between described DHCP routing server and the described GBSC;
S402:OMC issues down the set of line scanning frequency to described PICO base station by described GBSC;
S403: described PICO carries out descending frequency point scanning in the base station; The Rxlev_DL value of each frequency in the set of line scanning frequency under described PICO base station is measured when carrying out descending frequency point scanning;
S404: described PICO base station reports to described OMC with scanning result through GBSC, has wherein comprised the Rxlev_DL value of frequency;
S405:OMC analyzes the scanning result that described PICO base station reports, can but be not limited to described frequency is carried out descending sort with described Rxlev_DL value;
S406: select the maximum frequency corresponding district of Rxlev_DL value to belong to the ownership BSC that BSC is defined as described PICO base station, i.e. HBSC;
S407: the IP address of inquiring about the ownership BSC idle port of described PICO base station;
S408: disconnect communication link between described PICO base station and the described GBSC by the DHCP routing server, notify described PICO base station set up and its ownership BSC between communication link;
S409: the LAI of the frequency institute respective cell that the Rxlev_DL value is maximum distributes to described PICO base station;
The embodiment of the invention 5 also relates to a kind of method of the PICO of realization base station configuration, and as shown in Figure 5, it is on the basis of the foregoing description method flow, and this method also can comprise:
Step 305: described OMC periodic statistics PICO base station record from current area under each lane place each adjacent sub-district go out sub-district switching command number of times;
During concrete enforcement, described OMC periodic statistics PICO base station record from current area " going out sub-district switching command number of times " of each adjacent sub-district under each lane place, reflecting the mobile frequent degree of MS between PICO base station current area and each neighbor cell area of coverage, and merge by the adjacent sub-district number of times that the lane place is identical and to reflect the mobile frequent degree of MS in PICO base station current area and each diverse location interval; Wherein, it should be noted that, for the mobile frequent degree of more accurate reflection MS between PICO base station current area and each neighbor cell area of coverage, can screen " going out sub-district switching command number of times " according to switch reasons, only statistics waits definite switching times that can the reflecting edge switching according to " uplink signal strength " and " downstream signal intensity ", get rid of the switching that other reasons such as disturbance switching causes, but present embodiment is not limited thereto, do not repeat them here;
Step 306: determine the new ownership BSC of described PICO base station and upgrade the LAI of described PICO base station according to statistics;
In addition, present embodiment proposes to upgrade the LAI of described PICO base station in the following manner, but is not limited thereto:
If described PICO base station record from current area to the primary importance district such as the LAI_new lane place under " going out sub-district switching command number of times " of each sub-district exceed PICO base station record reach default ratio thresholding from current area " going out sub-district switching command number of times " to each adjacent sub-district, belonging positions district, PICO base station, if or PICO base station record from current area to the primary importance district such as the LAI_new lane place under " going out sub-district switching command number of times " of each sub-district exceed PICO base station record from current area when each adjacent sub-district, belonging positions district, PICO base station " going out sub-district switching command number of times " continues N cycle times, search the affiliated BSC of LAI_new, select the minimum BSC of carrier frequency number wherein to be configured to the new HBSC of PICO base station, and the LAI in described primary importance district is distributed to described PICO base station;
The professional can also further should be able to recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought the scope that exceeds the embodiment of the invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the embodiment of the invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the embodiment of the invention in other embodiments.Therefore, the embodiment of the invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
The above only is the preferred embodiment of the embodiment of the invention; not in order to the restriction embodiment of the invention; all within the spirit and principle of the embodiment of the invention, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the embodiment of the invention.
Claims (10)
1. a method that realizes Pico cell PICO base station configuration is characterized in that, this method comprises:
The OMC of operation maintenance center is by the communication link of critical point access base station controller GBSC and foundation of dynamic host configuration protocol DHCP routing server and described PICO base station, and issuing the set of descending frequency to described PICO base station, described descending frequency set is used for indicating described PICO base station that the descending frequency of described descending frequency set is scanned;
Described OMC receives the scanning result of the descending frequency that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described OMC is configured to the home base station controller BSC of the descending frequency institute respective cell of described descending incoming level value maximum the ownership BSC of described PICO base station.
2. method according to claim 1 is characterized in that, described OMC is that described PICO base station configuration ownership BSC specifically comprises:
Described OMC is defined as the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum the ownership BSC of described PICO base station;
And the Location Area Identification L AI of the frequency respective cell of described descending incoming level value maximum distributed to this PICO base station.
3. method according to claim 1 and 2 is characterized in that, this method also comprises:
Described OMC periodic statistics PICO base station record from current area under each lane place each sub-district go out sub-district switching command number of times;
Determine the new ownership BSC of described PICO base station and upgrade the LAI of described PICO base station according to statistics.
4. method according to claim 3 is characterized in that, the LAI of described renewal PICO base station specifically comprises:
If PICO base station record from current area under the primary importance district each sub-district go out that sub-district switching command number of times exceeds PICO base station record reach default ratio thresholding from the sub-district switching command number of times that goes out of current area to each adjacent sub-district in belonging positions district, PICO base station, if or PICO base station record from current area under the primary importance district each sub-district go out that sub-district switching command number of times exceeds PICO base station record continue N cycle times from the sub-district switching command number of times that goes out of current area to each adjacent sub-district, belonging positions district, PICO base station, described OMC searches BSC under the described primary importance district, the minimum BSC of carrier frequency number is configured to the new ownership BSC of PICO base station among the affiliated BSC in selection primary importance district, and the LAI in described primary importance district is distributed to described PICO base station.
5. method according to claim 4 is characterized in that: describedly go out the sub-district switching command for going out the sub-district switching command according to uplink signal strength or downstream signal intensity statistics.
6. a device of realizing the PICO base station configuration is characterized in that, this device comprises: communication unit, the set of descending frequency transmitting element, receiving element and dispensing unit; Wherein,
Described communication unit is used for the communication link by critical point access base station controller GBSC and foundation of dynamic host configuration protocol DHCP routing server and described PICO base station;
Described descending frequency set transmitting element is used for issuing descending frequency set to described PICO base station, and the descending frequency that described descending frequency set is used for indicating described PICO base station that described descending frequency is gathered scans;
Described receiving element is used to receive the scanning result of the descending frequency that described PICO base station reports, and described scanning result comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described dispensing unit is used for the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station.
7. device according to claim 6 is characterized in that, described dispensing unit comprises: determination module and distribution module; Wherein,
Described determination module is used for the ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is defined as the ownership BSC of described PICO base station;
Described distribution module is used for the LAI of the frequency respective cell of described descending incoming level value maximum is distributed to this PICO base station.
8. according to claim 6 or 7 described devices, it is characterized in that this device also comprises: statistic unit and updating block; Wherein,
Described statistic unit be used for periodic statistics PICO base station record from current area under each lane place each adjacent sub-district go out sub-district switching command number of times, and notify described updating block with statistics;
Described updating block is used for determining the new ownership BSC of described PICO base station and upgrading the LAI of described PICO base station according to the statistics of described statistic unit.
9. device according to claim 8 is characterized in that, described updating block comprises: enquiry module and heavy distribution module; Wherein,
Described enquiry module be used for when PICO base station record from current area under the primary importance district each sub-district go out that sub-district switching command number of times exceeds PICO base station record reach default ratio thresholding from the sub-district switching command number of times that goes out of current area to each adjacent sub-district, belonging positions district, PICO base station, if or PICO base station record from current area to each sub-district under the primary importance district go out sub-district switching command number of times exceed PICO base station record from current area during to the going out sub-district switching command number of times and continue N cycle times of each adjacent sub-district, belonging positions district, PICO base station, search BSC under the described primary importance district, and notify described heavy distribution module lookup result;
Described heavy distribution module is used for the minimum BSC of BSC carrier frequency number under the described primary importance district is configured to the new ownership BSC of PICO base station, and the LAI in described primary importance district is distributed to described PICO base station.
10. a system that realizes the PICO base station configuration comprises OMC of operation maintenance center and BSC, it is characterized in that, this system also comprises: GBSC, DHCP routing server and PICO base station; Wherein,
Described PICO base station is used to carry out descending frequency point scanning, and reports the scanning result that comprises descending incoming level value, and described descending incoming level value is corresponding with described descending frequency;
Described DHCP routing server is used to set up the communication link between described GBSC and described PICO base station;
Described GBSC is used to set up the communication link between described OMC and described PICO base station;
Described OMC is used for setting up communication link by described GBSC and DHCP routing server and PICO base station, and issue the set of descending frequency to described PICO base station, receive the scanning result that comprises descending incoming level value that described PICO base station reports, described descending incoming level value is corresponding with described descending frequency; The ownership BSC of the descending frequency institute respective cell of described descending incoming level value maximum is configured to the ownership BSC of described PICO base station.
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| US20090318144A1 (en) * | 2008-06-19 | 2009-12-24 | Motorola, Inc. | Cellular communication system and method of operation therefor |
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