CN102300207A - Self-healing method for acquiring basic configuration parameters in self-configuration process of base station and base station - Google Patents
Self-healing method for acquiring basic configuration parameters in self-configuration process of base station and base station Download PDFInfo
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Abstract
The invention discloses a self-healing method for acquiring basic configuration parameters in the self-configuration process of a base station and a base station. The method comprises the following steps: if the request of own basic parameter information of the base station in the self-configuration process fails, the base station sends a help detection broadcast message; after receiving the help detection broadcast message, neighboring base stations reply rescue response messages to the base station under the condition that the neighboring base stations obtain basic configuration parameters per se successfully; the base station selects a base station from all neighboring base stations which reply the rescue response messages for serving as a rescue base station and requests the rescue base station to request for the basic parameter information of the base station from a dynamic host configuration protocol (DHCP) server; and the rescue base station transmits the requested basic parameter information of the base station to the base station. Due to the adoption of the method, manual intervention is reduced, the operating cost is lowered, successful performance of a self-configuration process and a subsequent SON (Self-Organized Network) process can be ensured effectively, and the robustness of the base station and the SON process can be enhanced greatly.
Description
Technical field
The present invention relates to wireless communication field, particularly self-healing method and the base station that a kind of base station self-configuring process is obtained the basic configuration parameter in LTE (Long Term Evolution, Long Term Evolution) system's self-organizing network.
Background technology
In the future network, the heterogeneous networks coexistence will make network become complicated more.The configuration and the optimization of a large amount of wireless parameters and data will make the network planning and network optimization personnel's work become more numerous and diverse, and operator then wishes to cut operating costs and manual intervention.So in the normalization period of LTE network, by the leading notion that has proposed SON (Self-organized Network, self-organizing network) of mobile operator, its main thought is to realize that some autonomic functions of network are to reduce manual intervention.Under this background, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) land radio access web) the SON characteristic of system is used as 3GPP (3
RdGeneration Partnership Project, third generation partner program) one of important research direction.
SON in the LTE system has self-configuring, self-optimizing, cures certainly and self planning four big functions.The flow process of self-configuring and self-optimizing process and the major function of realization are as shown in Figure 1.After base station eNB (Evolved Node B, evolved Node B) powered on, entering self-configuring was pre-operation state, and order is carried out (A) basic startup; (B) 2 steps of initial wireless parameter configuration enter operation state then, and execution in step (C) is optimized and adjusted.Wherein, IP address configuration and OMC (Operation and Maintenance Center startup stage of self-configuring process basic, have been comprised at least, the several sections such as connection, eNB software and operational factor download of authentication, foundation and the EPC (Evolved Packet Core Network, Evolved Packet Core) of server detection operation maintenance center), node; At least the foundation and the relevant several sections such as parameter configuration of covering/capacity that have comprised neighbor cell list in the initial wireless parameter configuration stage of self-configuring process; Several sections such as the optimization that has comprised neighbor cell list at least in the optimization of self-optimizing process and adjusting stage and covering/volume controlled.
When in the network during newly-increased node, this node at first will with the OMC server between set up an initial logic and be connected, be used to finish authentication and acquisition correctly is connected to the needed information of network.For with the OMC server between set up and initially be connected, this node at first needs the basic parameter information of knowing that some are necessary, as node its own IP address, gateway address, DNS (Domain Name System, domain name system) server address etc.In order to support self-configuring and self-optimization function, these basic parameter information should dynamically be obtained.About the acquisition methods of basic parameter information, all be to adopt DHCP (Dynamic Host Control Protocol, DHCP) to realize at present basically.
Comprise IP address, base station self basic parameter information to obtain and dispose be base station self-configuring process and the most basic prerequisite of whole SON process.If basic parameter information is obtained failure, follow-up SON process can't be carried out, and can only go investigation to solve problem by the last station of professional at present, take time and effort.Therefore, the robustness obtained of the basic parameter information in self-configuring stage just becomes very important aspect of base station SON process.
Summary of the invention
The technical problem to be solved in the present invention provides self-healing method and the base station that a kind of base station self-configuring process is obtained the basic configuration parameter, is obtaining the defective that can't recover automatically after self basic configuration parameter information failure to solve base station in the prior art.
For addressing the above problem, the invention provides the self-healing method that obtains the basic configuration parameter in a kind of base station self-configuring process, comprising:
The base station if request self basic parameter information is failed, then sends emergency and surveys broadcast in the self-configuring process; After adjoining base station is received, self successfully obtaining under the prerequisite of basic configuration parameter, replying the rescue response message to described base station; Described base station is selected one as the rescue base station from all of its neighbor base station of replying described rescue response message, and asks this rescue base station on behalf of the basic parameter information to the described base station of DHCP (DHCP) server requests; The basic configuration parameter information of the described base station that described rescue base station will be asked sends to described base station.
Further, said method also can comprise:
Adjoining base station if judging self does not also obtain the basic configuration parameter, then abandons described emergency and surveys broadcast after receiving that broadcast is surveyed in described emergency.
Further, said method also can have following feature:
When broadcast is surveyed in the described emergency of transmission in described base station, start the wait-for-response timer; If when described wait-for-response timer expiry, do not receive described rescue response message yet, then resend described emergency and survey broadcast, and carry out follow-up flow process.
Further, said method also can have following feature:
Described base station from all of its neighbor base station of replying described rescue response message, select one as the rescue base station be meant:
The adjoining base station of the described base station selected described rescue response message correspondence that receives at first is as the rescue base station; Perhaps,
Maximum or the minimum pairing adjoining base station of message of the source IP address of described base station selected received all rescues response response message is as the rescue base station; Perhaps,
Described base station is selected one at random as the rescue base station from all reply the adjoining base station of described rescue response message.
Further, said method also can have following feature:
This rescue base station of described base station requests specifically comprises on behalf of the basic parameter information to the described base station of described Dynamic Host Configuration Protocol server request:
Described base station sends aid request message, wherein carries the unique identification information of described base station;
After receive described rescue base station, initiate the DHCP request, wherein carry the unique identification information of described base station to described Dynamic Host Configuration Protocol server;
After described Dynamic Host Configuration Protocol server is received, be described base station assigns basic parameter information according to the unique identification information of described base station, and the described basic parameter information that will distribute send to described rescue base station.
Further, said method also can comprise:
Described adjoining base station adds the identification (RFID) tag information of this adjoining base station self in the described rescue response message of replying, and in the described identification (RFID) tag information of local record; Wherein, described identification (RFID) tag information is used for the described adjoining base station of unique sign;
Also carry the identification (RFID) tag information of described rescue base station in the described aid request message that described base station sends;
Whether adjoining base station at first judges the local identification (RFID) tag information of minute book base station after receiving described aid request message; As record not, then abandon described aid request message; Otherwise whether the identification (RFID) tag information of carrying in the identification (RFID) tag information of judging local record and the described aid request message is consistent; If consistent, then know it self is described rescue base station, initiate described DHCP request to described Dynamic Host Configuration Protocol server, and carry out follow-up flow process; If inconsistent, then abandon described aid request message.
Further, said method also can comprise:
Described base station is changed to expression with self running status value and is in the state of waiting for rescue when sending described emergency and survey broadcast;
Adjoining base station judges whether the running status value of self represents to be in the state of waiting for rescue after receiving the rescue response message that other adjoining base stations are replied; If then rescue the selection and the follow-up flow process of base station; Otherwise, abandon described rescue response message.
Further, said method also can have following feature:
Be preset with the emergency frequency threshold value in the described base station;
Rescue the base station as described and replace described base station requests basic configuration parameter failure, then described rescue base station sends the notification message that carries expression request failure sign to described base station;
After receive described base station, judge whether the emergency number of times has reached described emergency frequency threshold value; If then restart, and after startup, carry out the request of basic configuration parameter voluntarily; Otherwise, resend described emergency and survey broadcast, and carry out follow-up flow process.
The present invention also provides a kind of base station, comprising:
DHCP (DHCP) request module, emergency survey to send processing module, emergency message sink processing module, rescue response and send processing module, rescue response receiving processing module, aid request and send processing module, aid request receiving processing module, basic parameter information sending module and basic parameter information sending module;
Described DHCP request module is used for the basic parameter information to the described base station of Dynamic Host Configuration Protocol server acquisition request self; Also be used for when obtaining the failure of described basic parameter information, survey to described emergency as the module in the emergency base station and send processing module and send the emergency order; When also being used in described base station, replace the basic parameter information of emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station as the rescue base station;
Described emergency is surveyed the transmission processing module and is used for after receiving described emergency order, sends emergency and surveys broadcast;
When described base station during as the adjoining base station of described emergency base station, described emergency message sink processing module is used for after receiving that broadcast is surveyed in described emergency, self successfully obtain under the prerequisite of basic configuration parameter judging, send processing module to described rescue response and initiate the rescue response command;
Described rescue response sends processing module and is used for after receiving described rescue response command, externally sends the rescue response message;
When described base station during as described emergency base station, described rescue response receiving processing module is used to receive described rescue response message, from all of its neighbor base station of replying described rescue response message, select one as the rescue base station, and notify described aid request to send processing module;
Aid request sends processing module and is used for after receiving above-mentioned notice, sends aid request message to described rescue base station;
When described base station during as described rescue base station, described aid request receiving processing module is used for after receiving described aid request message, replaces the basic parameter information of described emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station;
When described base station during as described rescue base station, the basic configuration parameter information that described basic parameter information sending module is used for the described base station of will ask sends to described emergency base station;
When described base station during as described emergency base station, described basic parameter information acquisition module is used to receive the basic configuration parameter information that described basic parameter information sending module is sent.
Further, above-mentioned base station also can have following feature:
Described emergency is surveyed the transmission processing module and also is used for when broadcast is surveyed in the described emergency of transmission, and startup one is waited for and responded timer;
When described base station during as described emergency base station, described rescue response receiving processing module is not if when described wait-for-response timer expiry, receive described rescue response message yet, then surveys to described emergency to send processing module and send and retransmit order;
Described emergency is surveyed the transmission processing module and is used for resending described emergency and surveying broadcast after receiving the repeating transmission order.
Further, above-mentioned base station also can have following feature:
Carry the unique identification information of described emergency base station in the described aid request message;
The aid request receiving processing module is used for after receiving described aid request message, initiates the DHCP request to described Dynamic Host Configuration Protocol server, wherein carries the unique identification information of described emergency base station.
Further, above-mentioned base station also can have following feature:
Described rescue response sends the identification (RFID) tag information that processing module is used for adding at the described rescue response message of replying this base station self, and in the described identification (RFID) tag information of local record; Wherein, described identification (RFID) tag information is used for this base station of unique sign;
Also carry the identification (RFID) tag information of described rescue base station in the described aid request message;
Whether described aid request receiving processing module is used for after receiving described aid request message, at first judge the local identification (RFID) tag information of minute book base station; As record not, then abandon described aid request message; Otherwise whether the identification (RFID) tag information that also is used for judging local record is consistent with the identification (RFID) tag information that described aid request message is carried; If consistent, then know it self is described rescue base station, initiate described DHCP request to described Dynamic Host Configuration Protocol server, and carry out follow-up flow process; If inconsistent, then abandon described aid request message.
Further, above-mentioned base station also can have following feature:
Described emergency is surveyed and is sent processing module and be used for also being used for when sending described emergency and survey broadcast, the running status value of this base station is changed to expression is in the state of waiting for rescue;
Described rescue response receiving processing module is used for also being used for after receiving described rescue response message, judges whether the running status value of this base station represents to be in the state of waiting for rescue; If then rescue the selection and the follow-up flow process of base station; Otherwise, abandon described rescue response message.
After adopting the present invention, help reducing manual intervention, cut operating costs, can effectively guarantee carrying out smoothly of self-configuring process and follow-up SON process, can greatly strengthen the robustness of base station self and SON process.
Description of drawings
Fig. 1 is base station SON self-configuring and a self-optimizing process schematic diagram in the prior art;
Base station self-configuring process is obtained the self-healing method flow chart of basic configuration parameter in Fig. 2 embodiment of the invention;
Fig. 3 is the process chart of adjoining base station in the embodiment of the invention;
Fig. 4 is for realizing the architecture of base station figure of self-healing function in the embodiment of the invention;
Fig. 5 is the critical workflow schematic diagram of application example 1 of the present invention;
Fig. 6 is the critical workflow schematic diagram of application example 2 of the present invention.
Embodiment
The description of the specific embodiment of the invention relates to a LTE ad hoc network system, comprises Dynamic Host Configuration Protocol server (DHCP Server), OMC server and a plurality of base station at least.Wherein relate to the reciprocal process between base station and Dynamic Host Configuration Protocol server and the OMC server, but be not emphasis of the present invention, therefore only carry out very concise and to the point description or just mention; Mainly further specify self-configuring process self-healing method among the present invention by the reciprocal process between a plurality of base stations.
The basic design of the method for the invention is: if by DHCP request self basic parameter information failure, then sending cries for help surveys broadcast in the self-configuring process in the base station; After adjoining base station is received, self successfully obtaining under the prerequisite of basic configuration parameter, replying the rescue response message to above-mentioned base station; After receive above-mentioned base station, rescue from above-mentioned answer and to select one all of its neighbor base station of source response message, and ask this rescue base station to be asked on behalf of carrying out DHCP as the rescue base station; This rescue base station will send to above-mentioned base station on behalf of the basic configuration parameter of asking.
Further, as shown in Figure 2, self-healing method provided by the invention comprises the steps: that (wherein, the handling process of each adjoining base station as shown in Figure 3.)
(1) base station electrifying startup sends the DHCP request to Dynamic Host Configuration Protocol server, wherein carries the unique identification information of this base station; If DHCP asks failure, then carry out next step;
Wherein, the unique identification information of base station is meant a sign can representing base station entire equipment assets information, the base station (is client identification (Client-identifier) in DHCP option 61, be used for carrying the dhcp client unique identification) carry this unique identification information and carry out DHCP request, carry out alternately with Dynamic Host Configuration Protocol server, to obtain the basic configuration parameter information.
(2) above-mentioned base station sends emergency and surveys broadcast, with the detection of crying for help, and starts the wait-for-response timer, and the running status value of this base station is set to represent to enter the state of waiting for rescue;
(3) adjoining base station receives that the emergency that the emergency base station sends surveys broadcast, if satisfy the condition as the rescue base station, sends the rescue response broadcast of carrying the self identification label information and rescues response; Otherwise, abandon this emergency and survey broadcast;
Wherein, the identification (RFID) tag information of above-mentioned adjoining base station is used for unique this adjoining base station that identifies, this identification (RFID) tag information can be this adjoining base station its own IP address or hardware mac address, also can be a label that utilizes certain random number generating algorithm to generate, also can be this adjoining base station self unique identification or the like; Wherein, the unique identification information of adjoining base station is cured basically in advance, such as Electronic Serial Number of adjoining base station etc.;
Preferably, adjoining base station judges that the condition that self whether satisfies as the rescue base station is meant: adjoining base station judges that whether self successfully get access to the basic parameter information that comprises its own IP address etc. from Dynamic Host Configuration Protocol server; If not success is then thought and self is not satisfied as the condition of rescuing the base station; If success is then thought and self is satisfied as the condition of rescuing the base station.
(4) as before the wait-for-response timer expiry, the rescue response message that adjoining base station sends is received in the emergency base station, then from the adjoining base station that sends the rescue response message, select one as the rescue base station according to set policy selection, and the broadcast that sends the identification (RFID) tag information carry selected rescue base station and self unique identification information enters and waits for the basic configuration parameter state to adjoining base station; Otherwise, re-execute step (2); And other are in the non-adjoining base station that waits for rescue state, directly carry out discard processing after receiving the rescue response message;
In this step, the cry for help strategy of base station selected rescue base station can have several different methods: the adjoining base station that for example can select the rescue response message correspondence that receives at first is as the rescue base station; Or the maximum or minimum adjoining base station of the message source IP address that select to send in all rescue response messages that receive is as the rescue base station; Also can in the rescue response that receives, select an adjoining base station at random as the rescue base station;
(5) chosen rescue base station obtains the unique identification information of emergency base station in the adjoining base station, replaces the emergency base station to carry out the DHCP request to Dynamic Host Configuration Protocol server;
Because what the emergency base station sent is broadcast, therefore after adjoining base station is received the broadcast of having carried selected rescue base station self identification label information and emergency base station self unique identification information of emergency base station transmission, earlier judge whether self records identification (RFID) tag, if self did not write down identification (RFID) tag, then directly abandon this broadcast; Otherwise, obtain the identification (RFID) tag of the rescue base station of carrying in the above-mentioned message, and compare with the identification (RFID) tag of self; If label does not match, then abandon this broadcast; Otherwise, learn oneself to be exactly to rescue the base station, then further obtain the unique identification information that receives the emergency base station in the message; The unique identification information of emergency base station is carried in the rescue base station in DHCP message option 61, carry out the DHCP request for the emergency base station, and carry out interacting message between the Dynamic Host Configuration Protocol server, finishes dhcp process.
(6) chosen rescue base station sends the broadcast of carrying emergency base station unique identification information and emergency base station DHCP request results information;
Carry the identification information that expression DHCP asks successfully or fails in this request results, in addition, as ask success, also carry the basic configuration parameter information of the emergency base station in request road in this request results information.
(7) the emergency base station receives the rescue object information and handles.
The emergency base station that is in wait basic configuration parameter state is after receiving the above-mentioned message that the rescue base station sends, and base station unique identification information that carries in this message of extraction and the unique identification information of self are compared earlier, if the two does not match, then abandon this message; Otherwise, further extract DHCP result sign, if represent successfully, then further extract the basic parameter configuration information that comprises self IP address and be configured, carry out follow-up SON process; If sign expression failure judges then whether the emergency number of times has arrived predetermined threshold, if do not have, then re-executes step (2), to begin to carry out the emergency action of a new round; Otherwise self restarts the base station, and carries out the request of basic configuration parameter after startup voluntarily; And other adjoining base stations are received this configuration parameter message that the rescue base station sends at the non-state that waits for rescue, and directly carry out discard processing.
In addition, the device that self-healing method provided by the invention relates to is a single unit system of having realized comprising emergency base station and rescue base station functions on a base station, as shown in Figure 4, comprise following part: DHCP (DHCP) request module, emergency survey to send processing module, emergency message sink processing module, rescue response and send processing module, rescue response receiving processing module, aid request and send processing module, aid request receiving processing module, basic parameter information sending module and basic parameter information sending module;
Described DHCP request module is used for the basic parameter information to the described base station of Dynamic Host Configuration Protocol server acquisition request self; Also be used for when obtaining the failure of described basic parameter information, survey to described emergency as the module in the emergency base station and send processing module and send the emergency order; When also being used in described base station, replace the basic parameter information of emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station as the rescue base station;
Described emergency is surveyed the transmission processing module and is used for after receiving described emergency order, sends emergency and surveys broadcast;
When described base station during as the adjoining base station of described emergency base station, described emergency message sink processing module is used for after receiving that broadcast is surveyed in described emergency, self successfully obtain under the prerequisite of basic configuration parameter judging, send processing module to described rescue response and initiate the rescue response command;
Described rescue response sends processing module and is used for after receiving described rescue response command, externally sends the rescue response message;
When described base station during as described emergency base station, described rescue response receiving processing module is used to receive described rescue response message, from all of its neighbor base station of replying described rescue response message, select one as the rescue base station, and notify described aid request to send processing module;
Aid request sends processing module and is used for after receiving above-mentioned notice, sends aid request message to described rescue base station;
When described base station during as described rescue base station, described aid request receiving processing module is used for after receiving described aid request message, replaces the basic parameter information of described emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station;
When described base station during as described rescue base station, the basic configuration parameter information that described basic parameter information sending module is used for the described base station of will ask sends to described emergency base station;
When described base station during as described emergency base station, described basic parameter information acquisition module is used to receive the basic configuration parameter information that described basic parameter information sending module is sent;
Basic parameter information collocation module: be responsible for finishing the configuration of the basic parameter information that comprises IP address, base station self.
Preferably, described emergency is surveyed the transmission processing module and also is used for when broadcast is surveyed in the described emergency of transmission, and startup one is waited for and responded timer;
When described base station during as described emergency base station, described rescue response receiving processing module is not if when described wait-for-response timer expiry, receive described rescue response message yet, then surveys to described emergency to send processing module and send and retransmit order;
Described emergency is surveyed the transmission processing module and is used for resending described emergency and surveying broadcast after receiving the repeating transmission order.
In addition, portability has the unique identification information of described emergency base station in the described aid request message;
The aid request receiving processing module is used for after receiving described aid request message, initiates the DHCP request to described Dynamic Host Configuration Protocol server, wherein carries the unique identification information of described emergency base station.
Described rescue response sends the identification (RFID) tag information that processing module is used for adding at the described rescue response message of replying this base station self, and in the described identification (RFID) tag information of local record; Wherein, described identification (RFID) tag information is used for this base station of unique sign;
Also carry the identification (RFID) tag information of described rescue base station in the described aid request message;
Whether described aid request receiving processing module is used for after receiving described aid request message, at first judge the local identification (RFID) tag information of minute book base station; As record not, then abandon described aid request message; Otherwise whether the identification (RFID) tag information that also is used for judging local record is consistent with the identification (RFID) tag information that described aid request message is carried; If consistent, then know it self is described rescue base station, initiate described DHCP request to described Dynamic Host Configuration Protocol server, and carry out follow-up flow process; If inconsistent, then abandon described aid request message.
Described emergency is surveyed and is sent processing module and be used for also being used in when sending described emergency and surveying broadcast, the running status value of this base station is changed to expression is in the state of waiting for rescue;
Described rescue response receiving processing module is used for also being used for after receiving described rescue response message, judges whether the running status value of this base station represents to be in the state of waiting for rescue; If then rescue the selection and the follow-up flow process of base station; Otherwise, abandon described rescue response message.
Below, further specify with two application examples of the present invention.
Application example 1:
Comprise 3 base stations in this enforcement 1: base station A (base station that newly powers on), base station B (before the A of base station, powering on, normally operation), base station C (after the A of base station, powering on).Below by application example 1 of the present invention, and content of the present invention is further specified in conjunction with Fig. 5.
S101: base station A newly powers on, and carries out initial start; This moment, base station B successfully obtained the basic configuration parameter information, and got in touch with OMC, normal operation; Base station C does not power on as yet;
S102: carry out interacting message between base station A and the Dynamic Host Configuration Protocol server, DHCP result's failure; This moment, base station C began electrifying startup;
S103: base station A enters the self-healing flow process, starts to wait for rescue the response timer, enters the state of waiting for rescue.Base station A sends emergency and surveys broadcast, the detection of crying for help;
S104: base station B and base station C all receive the emergency probe message that base station A sends; Base station B judges oneself state, find that oneself is mutual with the Dynamic Host Configuration Protocol server success, think promptly oneself to can be used as the rescue base station that then base station B utilizes the self MAC address to carry out recorded and stored as self identification label (annotating: adopt the method for self MAC address as the self identification label in this example) and in this locality;
Base station C judges oneself state, finds oneself successfully not obtain the basic configuration parameter information from Dynamic Host Configuration Protocol server as yet, then abandons this emergency and surveys broadcast;
S105: base station B sends the rescue response message that comprises the self identification label information, and A responds to the base station; The DHCP request process of base station C finishes, and DHCP asks successfully, disposes basic parameter information, and gets in touch with OMC, carries out the SON subsequent process;
S106: base station A receives the rescue response message that base station B sends in the stand-by period, therefrom extracts the identification (RFID) tag of base station B and preserves, and selection of base stations B is as the rescue base station;
Base station C receives this rescue response message at the non-state that waits for rescue, and directly abandons.
S107: base station A sends and carries self unique identification information and the aid request broadcast of rescuing base station B identification (RFID) tag information, enters and waits for the basic parameter configuration status;
S108: base station B receives the broadcast that base station A sends, and checks and finds that there is identification (RFID) tag information own this locality, thereby further extract rescue Base Station Identification label information in this message and the identification (RFID) tag of oneself compares; Base station B finds the identification (RFID) tag coupling, confirms oneself to be exactly to rescue the base station, thereby further extracts the unique identification information of emergency base station A and preserve in this locality;
Base station C receives the broadcast that comprises its unique identification information that base station A sends, and checks and finds that own this locality does not have identification (RFID) tag information, directly abandons this broadcast.
S109: rescue base station B carries the unique identification information of emergency base station A, and carries out between the Dynamic Host Configuration Protocol server alternately, and for base station A carries out the DHCP request, and DHCP asks successfully;
S110: base station B sends the broadcast that carries emergency base station A unique identification information, represents object information that the DHCP request is successful and the base station A basic configuration parameter information of asking;
S111: emergency base station A receives the basic configuration parameter broadcast that rescue base station B sends at wait basic configuration parameter state, extracts the base station unique identification information earlier, compares with the unique identification information of oneself, and the result is mated; Further extract DHCP request results information, find to ask successfully, and then extract the basic configuration parameter information;
Base station C receives this basic configuration parameter broadcast at the non-state that waits for rescue, and directly abandons;
S112: base station A finishes configuration according to the basic configuration parameter information that gets access to, and carries out the SON subsequent process.
Application example 2:
Comprise 4 base stations in this enforcement 2: base station A1 (base station newly powers on), base station A2 (base station newly powers on), base station D (base station that newly powers on, and after base station A1 and A2, power on), base station E (base station that newly powers on, and after base station A1 and A2, power on).Below by application example 2 of the present invention, and content of the present invention is further specified in conjunction with Fig. 6.
S201: base station A1 and A2 newly power on, and carry out initial start; This moment, base station D and base station E did not all power on;
S202: carry out interacting message between base station A1 and A2 and the Dynamic Host Configuration Protocol server, DHCP result all fails;
S203: base station A1 and A2 enter the self-healing flow process respectively, start the wait-for-response timer, enter the state of waiting for rescue.Base station A1 and A2 all send emergency and survey broadcast, the detection of crying for help; This moment, base station D and base station E began electrifying startup;
S204: base station D and base station E receive the emergency probe message that base station A1 and A2 send, and judge state separately, find oneself successfully not obtain the basic configuration parameter information from Dynamic Host Configuration Protocol server as yet, all abandon this emergency and survey broadcast;
Base station A1 receives the emergency probe message that base station A2 sends, and judges the state of self, finds oneself successfully not obtain the basic configuration parameter information from Dynamic Host Configuration Protocol server as yet, abandons this emergency and surveys broadcast; In like manner, base station A2 receives the emergency detection broadcast that base station A1 sends, and also abandons this broadcast;
S205: base station A1 and A2 all wait for overtime, do not receive any response message, still are in the state of waiting for rescue, and restart timer, send emergency once more and survey broadcast;
S206: at this moment, base station D and base station E all finish mutual with Dynamic Host Configuration Protocol server, successfully obtain basic configuration parameter information separately, and have been configured, normal operation;
S207: base station D and base station E receive that the emergency that base station A1 and A2 send surveys broadcast, judge state separately, find that oneself is mutual with the Dynamic Host Configuration Protocol server success, and judged result is thought and oneself be can be used as the rescue base station; Base station D and base station E utilize self unique identification information to carry out recorded and stored as self identification label (annotating: adopt the base station unique identification in this example as the self identification label) and in this locality;
Base station A1 and A2 receive that separately the other side's emergency surveys broadcast because self as yet not DHCP ask successfully, all directly abandon this broadcast.
S208: base station D and base station E all send the rescue response message that carries the self identification label information;
S209: base station A1 receives the rescue response message that base station D sends earlier, extract identification (RFID) tag information and the preservation of base station D, select base station D as rescuing base station (annotating: adopt the selection strategy of the base station of the rescue response correspondence of choosing arrival at first) as the rescue base station; Base station A1 receives the rescue response message that base station E sends, and abandons;
Base station A2 receives the rescue response message that base station E sends earlier, extracts identification (RFID) tag information and the preservation of base station E, selects base station E as the rescue base station; Base station A2 receives the rescue response message that base station D sends, and abandons;
Base station D waits for rescue the rescue response message that state receives that base station E sends non-, directly abandons; Equally, base station E waits for rescue the rescue response message that state receives that base station D sends non-, directly abandons.
S210: base station A1 sends and carries self unique identification information and the broadcast of rescuing base station D identification (RFID) tag information, enters and waits for the basic parameter configuration status;
Base station A2 sends and carries self unique identification information and the broadcast of rescuing base station E identification (RFID) tag information, enters and waits for the basic parameter configuration status.
S211: base station D receives the broadcast that base station A1 sends, and checks and finds that there is identification (RFID) tag information own this locality, thereby further extract rescue Base Station Identification label information in this message and the identification (RFID) tag of oneself compares; Base station D finds the identification (RFID) tag coupling, confirms oneself to be exactly to rescue the base station, thereby further extracts the unique identification information of emergency base station A1 and preserve in this locality; Base station D receives the broadcast that base station A2 sends, and checks and finds that there is identification (RFID) tag information own this locality, thereby further extract rescue Base Station Identification label information in this message and the identification (RFID) tag of oneself compares; Base station D finds that identification (RFID) tag does not match, and abandons this broadcast;
Base station E receives the broadcast that base station A2 sends, and checks and finds that there is identification (RFID) tag information own this locality, thereby further extract rescue Base Station Identification label information in this message and the identification (RFID) tag of oneself compares; Base station E finds the identification (RFID) tag coupling, confirms oneself to be exactly to rescue the base station, thereby further extracts the unique identification information of emergency base station A2 and preserve in this locality; Base station E receives the broadcast that base station A1 sends, and checks and finds that there is identification (RFID) tag information own this locality, thereby further extract rescue Base Station Identification label information in this message and the identification (RFID) tag of oneself compares; Base station E finds that identification (RFID) tag does not match, and abandons this broadcast;
Base station A1 and A2 receive mutually that the other side sends carries the broadcast of self unique identification information and rescue Base Station Identification label information, checks and finds self no identification (RFID) tag information, all abandons this broadcast.
S212: base station D carries the unique identification information of emergency base station A1, and carries out finishing DHCP reciprocal process alternately DHCP result's failure between the Dynamic Host Configuration Protocol server;
Base station E carries the unique identification information of emergency base station A2, and carries out finishing DHCP reciprocal process alternately DHCP result's success between the Dynamic Host Configuration Protocol server.
S213: base station D sends the broadcast that carries emergency base station A1 unique identification information and DHCP request results failure information;
Base station E sends the broadcast that carries emergency base station A2 unique identification information, the success of DHCP request results and base station A2 basic configuration parameter information.
S214: emergency base station A1 receives the broadcast that comprises the failure of DHCP request results that rescue base station D sends at wait basic configuration parameter state, and extraction base station unique identification information is compared with the unique identification information of oneself earlier, result's coupling; Further extract DHCP request results information, find the request failure; Further judge whether to reach emergency frequency threshold value (for example, being predisposed to 5 times), relatively find, carry out the emergency action of a new round less than threshold value;
Emergency base station A1 receives the broadcast that comprises the DHCP request results that rescue base station E sends at wait basic configuration parameter state, extracts the base station unique identification information earlier, compares with the unique identification information of oneself, and the result does not match, and directly abandons this broadcast;
Emergency base station A2 receives the broadcast that comprises the success of DHCP request results that rescue base station E sends at wait basic configuration parameter state, extracts the base station unique identification information earlier, compares with the unique identification information of oneself, and the result is mated; Further extract DHCP request results information, find to ask successfully, and then extract the basic configuration parameter information;
Emergency base station A2 receives the broadcast that comprises the DHCP request results that rescue base station D sends at wait basic configuration parameter state, extracts the base station unique identification information earlier, compares with the unique identification information of oneself, and the result does not match, and directly abandons this broadcast;
Rescue base station D and rescue base station E wait for rescue this basic configuration parameter broadcast that state receives that separately the other side sends non-, directly abandon.
S215: base station A2 finishes configuration according to the basic configuration parameter information that gets access to, and carries out the SON subsequent process.
In sum, content of the present invention is described by the self-healing method of adjoining base station on behalf of the DHCP request, for the basic premise of base station SON self-configuring process comprises that promptly the obtaining of basic configuration parameter information of IP address, base station self provides sound assurance, make follow-up SON process to carry out smoothly, greatly strengthened the robustness of base station self and self-organizing network.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (13)
1. obtain the self-healing method of basic configuration parameter in the base station self-configuring process, comprising:
The base station if request self basic parameter information is failed, then sends emergency and surveys broadcast in the self-configuring process; After adjoining base station is received, self successfully obtaining under the prerequisite of basic configuration parameter, replying the rescue response message to described base station; Described base station is selected one as the rescue base station from all of its neighbor base station of replying described rescue response message, and asks this rescue base station on behalf of the basic parameter information to the described base station of DHCP (DHCP) server requests; The basic configuration parameter information of the described base station that described rescue base station will be asked sends to described base station.
2. the method for claim 1 is characterized in that, also comprises:
Adjoining base station if judging self does not also obtain the basic configuration parameter, then abandons described emergency and surveys broadcast after receiving that broadcast is surveyed in described emergency.
3. method as claimed in claim 1 or 2 is characterized in that:
When broadcast is surveyed in the described emergency of transmission in described base station, start the wait-for-response timer; If when described wait-for-response timer expiry, do not receive described rescue response message yet, then resend described emergency and survey broadcast, and carry out follow-up flow process.
4. the method for claim 1 is characterized in that:
Described base station from all of its neighbor base station of replying described rescue response message, select one as the rescue base station be meant:
The adjoining base station of the described base station selected described rescue response message correspondence that receives at first is as the rescue base station; Perhaps,
Maximum or the minimum pairing adjoining base station of message of the source IP address of described base station selected received all rescues response response message is as the rescue base station; Perhaps,
Described base station is selected one at random as the rescue base station from all reply the adjoining base station of described rescue response message.
5. as claim 1 or 4 described methods, it is characterized in that:
This rescue base station of described base station requests specifically comprises on behalf of the basic parameter information to the described base station of described Dynamic Host Configuration Protocol server request:
Described base station sends aid request message, wherein carries the unique identification information of described base station;
After receive described rescue base station, initiate the DHCP request, wherein carry the unique identification information of described base station to described Dynamic Host Configuration Protocol server;
After described Dynamic Host Configuration Protocol server is received, be described base station assigns basic parameter information according to the unique identification information of described base station, and the described basic parameter information that will distribute send to described rescue base station.
6. method as claimed in claim 5 is characterized in that, also comprises:
Described adjoining base station adds the identification (RFID) tag information of this adjoining base station self in the described rescue response message of replying, and in the described identification (RFID) tag information of local record; Wherein, described identification (RFID) tag information is used for the described adjoining base station of unique sign;
Also carry the identification (RFID) tag information of described rescue base station in the described aid request message that described base station sends;
Whether adjoining base station at first judges the local identification (RFID) tag information of minute book base station after receiving described aid request message; As record not, then abandon described aid request message; Otherwise whether the identification (RFID) tag information of carrying in the identification (RFID) tag information of judging local record and the described aid request message is consistent; If consistent, then know it self is described rescue base station, initiate described DHCP request to described Dynamic Host Configuration Protocol server, and carry out follow-up flow process; If inconsistent, then abandon described aid request message.
7. as claim 1 or 4 described methods, it is characterized in that, also comprise:
Described base station is changed to expression with self running status value and is in the state of waiting for rescue when sending described emergency and survey broadcast;
Adjoining base station judges whether the running status value of self represents to be in the state of waiting for rescue after receiving the rescue response message that other adjoining base stations are replied; If then rescue the selection and the follow-up flow process of base station; Otherwise, abandon described rescue response message.
8. the method for claim 1 is characterized in that:
Be preset with the emergency frequency threshold value in the described base station;
Rescue the base station as described and replace described base station requests basic configuration parameter failure, then described rescue base station sends the notification message that carries expression request failure sign to described base station;
After receive described base station, judge whether the emergency number of times has reached described emergency frequency threshold value; If then restart, and after startup, carry out the request of basic configuration parameter voluntarily; Otherwise, resend described emergency and survey broadcast, and carry out follow-up flow process.
9. base station comprises:
DHCP (DHCP) request module, emergency survey to send processing module, emergency message sink processing module, rescue response and send processing module, rescue response receiving processing module, aid request and send processing module, aid request receiving processing module, basic parameter information sending module and basic parameter information sending module;
Described DHCP request module is used for the basic parameter information to the described base station of Dynamic Host Configuration Protocol server acquisition request self; Also be used for when obtaining the failure of described basic parameter information, survey to described emergency as the module in the emergency base station and send processing module and send the emergency order; When also being used in described base station, replace the basic parameter information of emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station as the rescue base station;
Described emergency is surveyed the transmission processing module and is used for after receiving described emergency order, sends emergency and surveys broadcast;
When described base station during as the adjoining base station of described emergency base station, described emergency message sink processing module is used for after receiving that broadcast is surveyed in described emergency, self successfully obtain under the prerequisite of basic configuration parameter judging, send processing module to described rescue response and initiate the rescue response command;
Described rescue response sends processing module and is used for after receiving described rescue response command, externally sends the rescue response message;
When described base station during as described emergency base station, described rescue response receiving processing module is used to receive described rescue response message, from all of its neighbor base station of replying described rescue response message, select one as the rescue base station, and notify described aid request to send processing module;
Aid request sends processing module and is used for after receiving above-mentioned notice, sends aid request message to described rescue base station;
When described base station during as described rescue base station, described aid request receiving processing module is used for after receiving described aid request message, replaces the basic parameter information of described emergency base station to the described emergency of described Dynamic Host Configuration Protocol server request base station;
When described base station during as described rescue base station, the basic configuration parameter information that described basic parameter information sending module is used for the described base station of will ask sends to described emergency base station;
When described base station during as described emergency base station, described basic parameter information acquisition module is used to receive the basic configuration parameter information that described basic parameter information sending module is sent.
10. base station as claimed in claim 9 is characterized in that,
Described emergency is surveyed the transmission processing module and also is used for when broadcast is surveyed in the described emergency of transmission, and startup one is waited for and responded timer;
When described base station during as described emergency base station, described rescue response receiving processing module is not if when described wait-for-response timer expiry, receive described rescue response message yet, then surveys to described emergency to send processing module and send and retransmit order;
Described emergency is surveyed the transmission processing module and is used for resending described emergency and surveying broadcast after receiving the repeating transmission order.
11. base station as claimed in claim 9 is characterized in that,
Carry the unique identification information of described emergency base station in the described aid request message;
The aid request receiving processing module is used for after receiving described aid request message, initiates the DHCP request to described Dynamic Host Configuration Protocol server, wherein carries the unique identification information of described emergency base station.
12. base station as claimed in claim 11 is characterized in that,
Described rescue response sends the identification (RFID) tag information that processing module is used for adding at the described rescue response message of replying this base station self, and in the described identification (RFID) tag information of local record; Wherein, described identification (RFID) tag information is used for this base station of unique sign;
Also carry the identification (RFID) tag information of described rescue base station in the described aid request message;
Whether described aid request receiving processing module is used for after receiving described aid request message, at first judge the local identification (RFID) tag information of minute book base station; As record not, then abandon described aid request message; Otherwise whether the identification (RFID) tag information that also is used for judging local record is consistent with the identification (RFID) tag information that described aid request message is carried; If consistent, then know it self is described rescue base station, initiate described DHCP request to described Dynamic Host Configuration Protocol server, and carry out follow-up flow process; If inconsistent, then abandon described aid request message.
13. base station as claimed in claim 9 is characterized in that,
Described emergency is surveyed and is sent processing module and be used for also being used for when sending described emergency and survey broadcast, the running status value of this base station is changed to expression is in the state of waiting for rescue;
Described rescue response receiving processing module is used for also being used for after receiving described rescue response message, judges whether the running status value of this base station represents to be in the state of waiting for rescue; If then rescue the selection and the follow-up flow process of base station; Otherwise, abandon described rescue response message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102130995A CN102300207A (en) | 2010-06-24 | 2010-06-24 | Self-healing method for acquiring basic configuration parameters in self-configuration process of base station and base station |
| PCT/CN2010/078775 WO2011160385A1 (en) | 2010-06-24 | 2010-11-16 | Self-healing method and base station for obtaining basic configuration parameters in self-configuration process of base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102130995A CN102300207A (en) | 2010-06-24 | 2010-06-24 | Self-healing method for acquiring basic configuration parameters in self-configuration process of base station and base station |
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| WO (1) | WO2011160385A1 (en) |
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| CN104754629A (en) * | 2013-12-31 | 2015-07-01 | 中兴通讯股份有限公司 | Self-recovery implementing method and device for base station device |
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| CN112770360A (en) * | 2020-12-28 | 2021-05-07 | 浪潮软件科技有限公司 | Wireless parameter optimization method, device and system |
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| WO2011160385A1 (en) | 2011-12-29 |
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