CN101621820A - Method and device for switching host link and reserve links of Iub port - Google Patents
Method and device for switching host link and reserve links of Iub port Download PDFInfo
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- CN101621820A CN101621820A CN200910090142A CN200910090142A CN101621820A CN 101621820 A CN101621820 A CN 101621820A CN 200910090142 A CN200910090142 A CN 200910090142A CN 200910090142 A CN200910090142 A CN 200910090142A CN 101621820 A CN101621820 A CN 101621820A
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Abstract
The invention relates to a method for switching a host link and reserve links of an Iub port, comprising the following steps: a configuration table containing the mapping relation between a node B control port (NCP) and the corresponding host link and reserve links and the mapping relation between a node B communication control port (NCCP) and the corresponding host link and reserve links is set in an operation and maintenance centre for radio (OMCR) of an operation management platform; a radio network controller (RNC) and a Node B acquire the mapping relations from the configuration table; the NCP or the NCCP is respectively bound with the host link according to the mapping relations and at least one reserve link according to the set rule; and when the host link is damaged, the NCP or the NCCP indexes a reserve link to be switched from prebound reserve links. The invention also discloses a device for switching the host link and the reserve links of the Iub port. The invention reduces the time delay when connecting with the reserve links after the host link is damaged, further ensures the processes of choosing the reserve links at the RNC side and the Node B side are not synchronous and also ensures the load of each link is uniform in the process of switching links.
Description
Technical field
The present invention relates to communication technical field, more specifically, it is active and standby with link switch-over method and device to relate to a kind of Iub mouth.
Background technology
TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA) system is a kind of 3-G (Generation Three mobile communication system).Node B is the base station in the TD-SCDMA system, Node B is by the Iub interface and RNC (the Radio NetworkController of standard, radio network controller) interconnection communicates by Uu interface and UE (user), mainly finishes the processing of Uu interface physical layer protocol and Iub interface agreement.NCP (Node B ControlPort, the Node B control port)/NCCP (NodeB Communication Control Port, the Node B communication control port) be when RNC and NodeB device start, the logic entity that the configuration information that RNC and NodeB are good is according to a preconcerted arrangement set up in the wireless signaling control module of device interior.In the physical link connection procedure, can set up the transmission link of lower floor and the interlayer communication port between transmission adaptation layer and the radio layer between RNC and NodeB, this interlayer communication port is exactly NCP/NCCP.
In the TD-SCDMA system, need on the Iub mouth, realize IP (Internet protocol, Internet protocol)/ATM (Asynchronous Transfer Mode, asynchronous transfer mode) two stack transmission mode, the radio layer control plane communication protocol that promptly requires RNC equipment both can also can be chosen in transmission in the IP carrying simultaneously transmitting in the ATM carrying.When being configured to ATM/IP pair of stack bearing mode on the Iub mouth, the ability that need possess the active and standby bearing mode of flexible setting, be that the current link of bearing data transport functions is an active link, remaining link is the backup of active link, and after the active link fault on the Iub mouth data can transfer on the reserve link immediately and transmit, obliterated data not.
The Iub active/standby link switching method of current employing is: when active link takes place to disconnect, nonrecoverable reserve link ID number+1 obtains the reserve link of new ID correspondence before using, and the reserve link that newly obtains is used as when the alternate link of prior fault active link is carried out the data transmission.Wherein, be numbered according to natural number for ID number, coding rule is determined by operator, generally is 1～N serial number.For example, the reserve link ID that the last time is chosen is N-1, and the reserve link that the so current ID of choosing is N is as the alternate link of the active link of working as prior fault.If current reserve link sum has only the N-1 bar, maximum ID is N-1, will whether allow to carry many active links according to a reserve link and decide the carrying situation.If allow a reserve link to carry many fault active links simultaneously, will select ID so is that 1 reserve link carries the active link when prior fault, and if to occur the active link fault again then select ID be that 2 reserve link carries; If but do not allow many active links of reserve link carrying, and so for the situation of a reserve link of many active links, can be connected to reserve link after having only an active link to damage, other active link damages does not then have the reserve link resource.
NCP or NCCP are the communication control port of wireless network layer signaling chain of command to lower floor's transmission.These ports can carry out initialization and exist as an example in Device memory when device start, the corresponding transmission link of each example.Transmit adaptation layer in addition between each bar transmission link and the wireless network layer, the transmission adaptation layer need be set up a controll block for each bar transmission link, and the data forwarding that this controll block is responsible for NCP and NCCP are passed over is to the transmission link of correspondence.Load bearing process is exactly the process of setting up of mapping relations between wireless network layer NCP/NCCP example and the transmission adaptation layer controll block, and the mapping relations that transmission adaptation layer and transmission link are regarded as between NCP/NCCP and the lower floor's transmission just of an integral body are set up process.In the process that equipment just starts, NCP or NCCP entity will be carried on the active link, when the active link fault need switch to reserve link, NCP or NCCP entity that RNC and NodeB incite somebody to action separately were carried on the link of link ID minimum in the reserve link to be selected again.
After an active link disconnects, owing to do not set up mapping relations between NCP and NCCP example and the reserve link, transmit the also control module of this link not of adaptation layer simultaneously, so just needs at first obtain the operable reserve link ID of current this active link according to the selection principle of reserve link, then carry out the load bearing process of NCP or NCCP port and reserve link more again, said process can produce than long time delay.If many active links disconnect simultaneously, binding procedure serial process, time delay accumulate and may cause Signalling exchange overtime.In addition, in the link switchover routing process of reality, if RNC side and NodeB side select the process of link asynchronous, for example: opposite side Bind Failed or binding are not finished when beginning to send signaling message after sidelinks binding is finished, and cause signaling message to be lost.And, in the link switchover process, the too much data of reserve link carrying can appear in the middle of the prior art, and other reserve link but carries data seldom, the uneven situation of link load occurs.
Summary of the invention
The embodiment of the invention proposes the active and standby link switch-over method of using of a kind of Iub mouth, to reduce handover delay, guarantees that further RNC side and NodeB side reserve link switch synchronously.
The embodiment of the invention also proposes the active and standby link switchover device of using of a kind of Iub mouth, to reduce handover delay, guarantees that further RNC side and NodeB side reserve link switch synchronously.
The technical scheme of the embodiment of the invention is as follows:
The active and standby link switch-over method of using of a kind of Iub mouth, this method comprises:
The allocation list of the mapping relations of Node B control port NCP and corresponding active link, reserve link and Node B communication control port NCCP and the mapping relations of corresponding active link, reserve link is set in operational administrative platform OMCR;
Radio network controller (RNC) and Node B NodeB obtain described mapping relations from allocation list;
Described NCP or NCCP bind with the active link binding with by setting principle and at least one reserve link respectively in advance according to mapping relations;
When active link damaged, described NCP or NCCP indexed to be switched reserve link from pre-bound reserve link.
The mapping relations of described allocation list comprise NCP ID, NCCP ID, active link ID and reserve link ID.
The mapping relations of described allocation list comprise the map information of NCP ID and active link ID and reserve link ID, the map information of NCCP ID and active link ID and reserve link ID.
The map information of described NCP ID and active link ID and reserve link ID comprises a NCP ID and an active link ID and is no less than the map information of a reserve link ID that the map information of described NCCP ID and active link ID and reserve link ID comprises a NCCP ID and an active link ID and is no less than the map information of a reserve link ID.
Described setting principle comprises that NCP or NCCP select reserve link to bind in advance arbitrarily from described mapping relations.
Described setting principle comprises that each described NCP monopolizes a reserve link at least, and a plurality of described NCCP under the same NodeB can bind same reserve link in advance.
Described NCCP binds reserve link in advance according to every active link institute transmitted data amount.
Described pre-binding comprises that the map information with NCP ID and reserve link ID deposits in the pre-binding table of NCP reserve link, and the map information of NCCP ID and reserve link ID deposits in the pre-binding table of NCCP reserve link.
It is to index reserve link according to the pre-binding table of the reserve link among NCP or the NCCP that described NCP or NCCP index reserve link.
Described NCP or NCCP index any reserve link according to pre-binding table.
Described active link is a kind of in atm link or the IP link, and described reserve link is a kind of in atm link or the IP link.
The active and standby link switchover device of using of a kind of Iub mouth comprises:
Configuration module is used for being provided with at operational administrative platform OMCR the allocation list of the mapping relations of Node B control port NCP and corresponding active link, reserve link and Node B communication control port NCCP and the mapping relations of corresponding active link, reserve link;
Control module is used for obtaining from allocation list the mapping relations of radio network controller (RNC) and Node B NodeB, and described NCP or NCCP are bound with the active link binding with by setting principle and at least one reserve link respectively in advance according to mapping relations;
Index module is used for when active link damages, and described NCP or NCCP are according to indexing to be switched reserve link from pre-bound reserve link.
Further comprise memory module, be used to store the pre-binding information of described NCP or NCCP and reserve link ID;
Described NCP or NCCP index reserve link according to the pre-binding information in the memory module.
Described configuration module shines upon reserve link for NCCP according to every active link institute transmitted data amount.
As can be seen, in embodiments of the present invention, by allocation list is set in the operational administrative platform as requested, RNC and NodeB obtain the mapping relations of NCP or NCCP and active link, reserve link from this allocation list from technique scheme.NCP or NCCP and active link binding and reserve link are bound in advance.When active link damaged, NCP or NCCP can index reserve link from pre-binding relationship rapidly, damaged the time delay that the back is connected with reserve link thereby reduce active link.In handoff procedure,, further guaranteed the synchronism of RNC side and NodeB side selection reserve link process owing to do not need to carry out the binding of port and link in RNC side and NodeB side.In addition, because in pre-binding procedure, therefore NCCP makes that in the reversed process of link the load of link is balanced by every reserve link of load balancing binding.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of Iub mouth of embodiment of the invention link switch-over method;
Fig. 2 is pre-binding of the two stack configuration links of the embodiment of the invention and switching flow schematic diagram;
Fig. 3 is the structural representation of a kind of Iub mouth of embodiment of the invention link switchover device.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
In embodiments of the present invention, provide a kind of lub mouth link switch-over method.When the two stacks carrying of setting up between radio network controller (RNC) side and the B node NodeB, at first in operational administrative platform OMCR, allocation list is set, the mapping relations of configuration NodeB control port NCP, NodeB communication control port NCCP and asynchronous transfer mode ATM link, Internet protocol IP link.By ATM and the IP link establishment mapping relations of port id with correspondence, this process is called pre-binding to NCP/NCCP according to allocation list.Active link and reserve link are a kind of in atm link or the IP link.Data are transmitted on the active link of binding.In the transmission adaptation layer, be used for the Stream Control Transmission Protocol of IP bearing mode or be used for the professional specific connection oriented protocol SSCOP agreement of ATM pattern, after active link damages, can detect the situation that active link disconnects, notify radio layer module active link to disconnect subsequently.The radio layer module is after receiving the indication that active link disconnects, will be according to the ID of NCP or NCCP self, the NCP/NCCP ID that sets up during by pre-binding and the mapping relations of reserve link, index on the standby bearing link of having bound, packet on the former active link is sent to the controll block of reserve link on the transmission adaptation layer, thereby be implemented in the transfer of data on the reserve link.
As shown in Figure 1, the active and standby schematic flow sheet with link switch-over method of Iub mouth in the embodiment of the invention, comprising following steps:
NCP is used for the transmitting-receiving of Iub mouth NBAP agreement common signaling process, and a NodeB has only a NCP, and the RNC device interior has a plurality of NCP.NCP can be carried on one main one be equipped with or a master+N bar reserve link on (ATM or IP), still a physical link can only carry a NCP.
NCCP is used for the transmitting-receiving of Iub mouth NBAP protocol-specific signaling procedure, and a NodeB can have a plurality of NCCP that also can have.When RNC requires NodeB to set up a wireless links to use for the user, RNC at first sends " Radio Link is set up request message " and gives NodeB on NCP, NodeB receives after this message response NBAP signaling message " Radio Link is set up response " and sends from the NCP of NodeB side, NodeB can be NCCP port numbers of this wireless link distribution in this message, and the signaling procedure that this wireless links is relevant is just transferred to this NCCP upward alternately afterwards.A NCCP upwards can transmit the data-message of multi wireless links, and can be carried on one main one downwards and be equipped with on two physical links (ATM or IP), also can be the mode of a master+N bar reserve link.Certain physical link also can carry a plurality of NCCP.
Allocation list in OMCR is that the mapping relations according to NCP/NCCP and ATM/IP are provided with.Promptly NCP can be carried on one main one be equipped with or a master+N bar reserve link on (ATM or IP), still a physical link can only carry a NCP; A NCCP is towards the Data Receiving port of radio layer control module as transmission multi wireless links signaling control messages, can be bundled in one main one in advance towards transport layer is equipped with on two physical links (ATM/IP), also can be bundled in an active link+N bar reserve link in advance, N+1 bar physical link altogether, certain physical link also can carry a plurality of NCCP.
Need in actual applications to come the allocation list among the above-mentioned OMCR is configured according to concrete physical link resource situation and the data traffic under the NCP/NCCP.Abundant when the actual physical link circuit resource, an active link can dispose many reserve links, and NCP/NCCP selects one or more reserve link to bind in advance arbitrarily according to the mapping relations in the allocation list.When active link damages, from the pre-bound reserve link of NCP/NCCP, any one that indexes in the pre-binding reserve link according to the ID of the NCP of the active link correspondence of damaging or NCCP is carried out transfer of data; And when actual physical link circuit resource anxiety, for example exist 5 to damage active links but have only 3 reserve links, will bind reserve link in advance for each NCP/NCCP according to the principle of load balancing so.The load balancing principle comprises: 1, each NCP monopolizes a reserve link; 2, a plurality of NCCP under the same NodeB can bind same reserve link in advance; 3,, then bind reserve link in advance according to the data traffic on the NCCP of reality for NCCP.As the physical link abundant resource, then that data traffic is big NCCP is bundled on the reserve link in advance, and the NCCP that data traffic is few is bundled on same the reserve link jointly in advance.Promptly bind reserve link in advance, make that data quantity transmitted obtains equilibrium on reserve link according to data volume that every link passes.When active link damages, from the pre-bound reserve link of NCP/NCCP, any one that indexes in the pre-binding reserve link according to the NCP of the active link correspondence of damaging or NCCP ID is carried out transfer of data.The equilibrium of this data volume can't realize in the prior art.Just when damaging, active link determines reserve link according to the method well of determining again in the prior art, do not consider that there is the situation of difference in NCCP data traffic under the actual conditions, carry out load balancing, and then data are transferred in the reserve link.So the link idle that under prior art, will have, the situation that the data volume of the link transmission that has is very big.
In an embodiment of the present invention, allocation list is set in OMCR at first, NCP ID and the pairing ATM/IP link of NCCP ID ID are arranged in this allocation list.Wherein determine NCP and the pairing link ID of NCCP ID according to own characteristic and the current transmission link resource of NCP and NCCP.NCP binds in advance, and pre-bound map information is deposited in the pre-binding table of reserve link of NCP with active link binding, reserve link respectively.Same, NCCP binds in advance, and pre-bound map information is deposited in the pre-binding table of reserve link of NCCP with active link binding, reserve link respectively.Active link appearance damage when the current use of communication control port, NCP/NCCP obtains reserve link information according to the pre-binding table of reserve link, arrive corresponding reserve link by NCP/NCCP ID direct index, RNC side and NodeB side index reserve link simultaneously, and information to be transmitted is transmitted at the enterprising line data of reserve link.
Wherein, as shown in Figure 2, described pre-binding of main/slave link and reversed process, may further comprise the steps:
Step 201, RNC and NodeB download bearing link configuration information on the lub mouth by the allocation list of OMCR, comprising the mapping relations between NCP/NCCP and the ATM/IP link, and the essential information of active link and reserve link.
Step 202, under the IP pattern, RNC and NodeB set up its IP bearing link: RNC by the handshake procedure of Stream Control Transmission Protocol and send INIT (startup) message to NodeB; NodeB response INITACK (start and confirm) message; RNC sends COOKIEECHO (state COOKIE) message to NodeB after receiving and starting acknowledgement message; NodeB sets up connection after returning COOKIE ACK (CKKOIE confirmation) message.Under the IP pattern all are active and standby all finishes foundation by above-mentioned signalling interactive process with link.
Under the ATM pattern, RNC and NodeB set up the BGN message that its ATM bearing link: NodeB initiates the SSCOP agreement by the handshake procedure of SSCOP agreement; RNC thinks promptly that after receiving BGN message link establishment is successful, responds BGAK message simultaneously; NodeB thinks also that after receiving BGAK message link establishment is successful.Under the ATM pattern all are active and standby all finishes foundation by above-mentioned signalling interactive process with link.
Step 203, link establishment success back signaling control port will by NCP/NCCP ID respectively with the active link binding, the while also with ATM, IP stack under standby bearing link bind in advance.The mapping relations of NCP/NCCP ID and reserve link ID are deposited in the pre-binding table of reserve link of NCP/NCCP entity maintaining.The adaptation layer of every bearing link also can write down port type and the port id of link corresponding upper NCP or NCCP.
Step 204, RNC and NodeB begin the Signalling exchange flow process, and signaling message transmits on current active link.
Step 205, Stream Control Transmission Protocol in the transmission adaptation layer under the IP pattern or the SSCOP agreement in the transmission adaptation layer under the ATM pattern can detect the situation that link disconnects after active link damages, and report radio layer.After radio layer finds that the active link of current use damages in signalling interactive process, index reserve link in the pre-binding table of reserve link that in pre-binding procedure, generates by NCP ID/NCCP ID, RNC side and NodeB side index reserve link simultaneously, will be on active link data packets for transmission send to the controll block of reserve link, realize the switching of transfer of data.
Step 206, control port information transmits on reserve link.
The invention also discloses the active and standby link switchover device of using of a kind of Iub mouth, as shown in Figure 3.Comprising configuration module, control module and index module.Configuration module is used for being provided with at OMCR the allocation list of the mapping relations of Node B control port NCP and corresponding active link, reserve link and Node B communication control port NCCP and the mapping relations of corresponding active link, reserve link; Control module is used for obtaining RNC and NodeB mapping relations from allocation list, and described NCP or NCCP are bound with active link ID binding with by setting principle and at least one reserve link ID respectively in advance according to mapping relations; Index module is used for when active link damages, and described NCP or NCCP will be indexed to be switched reserve link in the pre-bound reserve link.Further comprise memory module, be used to store the pre-binding information of described NCP or NCCP and reserve link ID; NCP or NCCP index reserve link according to the pre-binding information in the memory module.
In inventive embodiments, mapping relations of NCP/NCCP and active link and reserve link in configuration module is provided with in advance, and NCP/NCCP and the pre-bound mapping relations of reserve link be stored in the memory module.NCP/NCCP carries out transfer of data with corresponding active link binding.When damaging, active link then from storage module, obtains NCP/NCCP and the pre-bound mapping relations of reserve link by index module immediately, index in the reserve link immediately by these mapping relations, thereby can reduce the time delay of reserve link carrying data, guarantee the synchronous switching of RNC side and NodeB side reserve link.In addition, in configuration module, choose reserve link according to every active link data volume, obtain the load balancing of whole link for NCCP.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1, the active and standby link switch-over method of using of a kind of Iub mouth is characterized in that this method comprises:
The allocation list of the mapping relations of Node B control port NCP and corresponding active link, reserve link and Node B communication control port NCCP and the mapping relations of corresponding active link, reserve link is set in operational administrative platform OMCR;
Radio network controller (RNC) and Node B NodeB obtain described mapping relations from allocation list;
Described NCP or NCCP bind with the active link binding with by setting principle and at least one reserve link respectively in advance according to mapping relations;
When active link damaged, described NCP or NCCP indexed to be switched reserve link from pre-bound reserve link.
According to the described method of claim 1, it is characterized in that 2, the mapping relations of described allocation list comprise NCP ID, NCCP ID, active link ID and reserve link ID.
According to the described method of claim 2, it is characterized in that 3, the mapping relations of described allocation list comprise the map information of NCP ID and active link ID and reserve link ID, the map information of NCCP ID and active link ID and reserve link ID.
4, according to the described method of claim 3, it is characterized in that, the map information of described NCP ID and active link ID and reserve link ID comprises a NCP ID and an active link ID and is no less than the map information of a reserve link ID that the map information of described NCCP ID and active link ID and reserve link ID comprises a NCCP ID and an active link ID and is no less than the map information of a reserve link ID.
According to the described method of claim 4, it is characterized in that 5, described setting principle comprises that NCP or NCCP select reserve link to bind in advance arbitrarily from described mapping relations.
According to the described method of claim 4, it is characterized in that 6, described setting principle comprises that each described NCP monopolizes a reserve link at least, a plurality of described NCCP under the same NodeB can bind same reserve link in advance.
According to the described method of claim 6, it is characterized in that 7, described NCCP binds reserve link in advance according to every active link institute transmitted data amount.
8, according to claim 5 or 7 described methods, it is characterized in that, described pre-binding comprises that the map information with NCP ID and reserve link ID deposits in the pre-binding table of NCP reserve link, and the map information of NCCP ID and reserve link ID deposits in the pre-binding table of NCCP reserve link.
9, described according to Claim 8 method is characterized in that, it is to index reserve link according to the pre-binding table of the reserve link among NCP or the NCCP that described NCP or NCCP index reserve link.
According to the described method of claim 9, it is characterized in that 10, described NCP or NCCP index any reserve link according to pre-binding table.
According to the described method of claim 10, it is characterized in that 11, described active link is a kind of in atm link or the IP link, described reserve link is a kind of in atm link or the IP link.
12, the active and standby link switchover device of using of a kind of Iub mouth is characterized in that, comprising:
Configuration module is used for being provided with at operational administrative platform OMCR the allocation list of the mapping relations of Node B control port NCP and corresponding active link, reserve link and Node B communication control port NCCP and the mapping relations of corresponding active link, reserve link;
Control module is used for obtaining from allocation list the mapping relations of radio network controller (RNC) and Node B NodeB, and described NCP or NCCP are bound with the active link binding with by setting principle and at least one reserve link respectively in advance according to mapping relations;
Index module is used for when active link damages, and described NCP or NCCP are according to indexing to be switched reserve link from pre-bound reserve link.
13, according to the described device of claim 12, it is characterized in that, further comprise memory module,
Be used to store the pre-binding information of described NCP or NCCP and reserve link ID;
Described NCP or NCCP index reserve link according to the pre-binding information in the memory module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910090142A CN101621820A (en) | 2009-07-29 | 2009-07-29 | Method and device for switching host link and reserve links of Iub port |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910090142A CN101621820A (en) | 2009-07-29 | 2009-07-29 | Method and device for switching host link and reserve links of Iub port |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291847A (en) * | 2010-04-22 | 2011-12-21 | 微软公司 | Dynamic connection management on mobile peer devices |
| CN102457874A (en) * | 2010-10-22 | 2012-05-16 | 中兴通讯股份有限公司 | Method for maintaining communication equipment, and network system |
| WO2012065433A1 (en) * | 2010-11-18 | 2012-05-24 | 中兴通讯股份有限公司 | Method and system for enhanceing reliability of radio network controller |
| CN104869010A (en) * | 2013-12-13 | 2015-08-26 | 马维尔以色列(M.I.S.L.)有限公司 | Protection switching |
| CN107872822A (en) * | 2016-09-23 | 2018-04-03 | 大唐移动通信设备有限公司 | The bearing method and bogey of a kind of business |
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2009
- 2009-07-29 CN CN200910090142A patent/CN101621820A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291847A (en) * | 2010-04-22 | 2011-12-21 | 微软公司 | Dynamic connection management on mobile peer devices |
| US8990411B2 (en) | 2010-04-22 | 2015-03-24 | Microsoft Technology Licensing, Llc | Dynamic connection management on mobile peer devices |
| CN102291847B (en) * | 2010-04-22 | 2015-06-03 | 微软公司 | Dynamic connection management on mobile peer devices |
| CN102457874A (en) * | 2010-10-22 | 2012-05-16 | 中兴通讯股份有限公司 | Method for maintaining communication equipment, and network system |
| CN102457874B (en) * | 2010-10-22 | 2016-06-22 | 中兴通讯股份有限公司 | A kind of method of maintaining communication equipment and network system |
| WO2012065433A1 (en) * | 2010-11-18 | 2012-05-24 | 中兴通讯股份有限公司 | Method and system for enhanceing reliability of radio network controller |
| CN104869010A (en) * | 2013-12-13 | 2015-08-26 | 马维尔以色列(M.I.S.L.)有限公司 | Protection switching |
| CN107872822A (en) * | 2016-09-23 | 2018-04-03 | 大唐移动通信设备有限公司 | The bearing method and bogey of a kind of business |
| CN107872822B (en) * | 2016-09-23 | 2020-05-26 | 大唐移动通信设备有限公司 | Service bearing method and device |
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Application publication date: 20100106 |