CN101998552B - Method for performing switchover and relay node - Google Patents
Method for performing switchover and relay node Download PDFInfo
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- CN101998552B CN101998552B CN200910091196.9A CN200910091196A CN101998552B CN 101998552 B CN101998552 B CN 101998552B CN 200910091196 A CN200910091196 A CN 200910091196A CN 101998552 B CN101998552 B CN 101998552B
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- 230000008569 process Effects 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 17
- JZEPSDIWGBJOEH-UHFFFAOYSA-N 4-decylbicyclo[2.2.1]hept-2-ene Chemical compound C1CC2C=CC1(CCCCCCCCCC)C2 JZEPSDIWGBJOEH-UHFFFAOYSA-N 0.000 description 29
- 230000000977 initiatory effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000010295 mobile communication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
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Abstract
The invention discloses a method for performing switchover, which comprises the following steps that: a relay node (RN) acquires indication information of an X2 interface between base station equipment where the RN is positioned and a neighbour cell of the RN; when user equipment under the RN performs switchover, the RN judges whether the X2 interface exists between the base station equipment where the RN is positioned and the neighbour cell of the RN according to the indication information of the X2 interface, if so, the RN performs X2 switchover, otherwise the RN performs S1 switchover. The technical scheme of the embodiment of the invention has the advantage that: the RN determines how to perform the switchover according to the indication information of the X2 interface between the base station equipment where the RN is positioned and the neighbour cell of the RN when the UE performs the switchover, thereby improving the success rate of the switchover.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of method and via node of initiating switching.
Background technology
Following mobile communication system, as B3G (Beyond three Generation, rear three generations) system or LTE-A (Long Term Evolution Advanced, advanced long-term evolution system), to provide higher peak data rate and cell throughout, also need larger bandwidth simultaneously.At present, seldom, the part or all of bandwidth that B3G system needs can only be in higher frequency range for the unassigned bandwidth below 2GHz, and for example 3GHz finds above.Frequency range is higher, and it is faster that radio wave propagation is decayed, and transmission range is shorter, under therefore same overlay area, guarantee continuous covering, needs more base station, because base station has higher cost conventionally, can increase the cost of arranging net undoubtedly.
In order to solve the Cost Problems of arranging net, each manufacturer and standardization body begin one's study RN (RelayNode, via node) are incorporated in cellular system, the rate of increasing network coverage.As shown in Figure 1, for introducing the network architecture schematic diagram of the LTE-A system after RN, RN is by DeNB (Donor Node B, alms giver's Node B) the donor cell under (alms giver community) is linked into core net, there is no direct wave point with core net, the interface between DeNB and RN is wireless Un mouth.Each RN can control one or more communities, is equivalent to an eNB, and RN and DeNB set up X2 interface, and RN, for other eNB outside DeNB, is equivalent to Yi Ge community under DeNB, the X2 interface between DeNB termination RN and other eNB/RN.As shown in Figure 2, be the protocol stack architecture schematic diagram of other eNB outside RN, DeNB and DeNB, wherein, RN and DeNB all support X2-AP (AuthenticationProtocol, authentication protocol).
Inventor is in realizing process of the present invention, and at least there are the following problems to find prior art:
At present, 3GPP (3rd Generation Partnership Project, third generation partner program) in standard, do not define RN and how to know between DeNB and other eNB whether have X2 interface, when the UE under RN is switched to other eNB management Xia communities, RN cannot judge that initiating X2 switches still S1 switching.
Summary of the invention
The embodiment of the present invention provides a kind of method and via node of initiating switching, for improving the success rate of switching
The embodiment of the present invention proposes a kind of method of initiating switching, comprises the following steps:
Via node RN obtains the X2 interface indication information between self base station equipment at place and the neighbor cell of described RN;
When the subscriber equipment under described RN switches, described RN judges between self base station equipment at place and the neighbor cell of described RN whether have X2 interface according to described X2 interface indication information, if existed, described RN initiates X2 and switches; If there is no, described RN initiates S1 switching.
Preferably, described RN obtains the X2 interface indication information between self base station equipment at place and the neighbor cell of described RN, specifically comprises:
Described RN, in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from described base station equipment.
Preferably, in X2 process of establishing, described RN receives and preserves the X2 interface indication information from described base station equipment, specifically comprises:
The X2 that described RN receives from described base station equipment sets up response message, X2 set up in the neighbor information Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information;
In the adjacent cell information of the more described base station equipment of described RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
Preferably, in X2 config update process, described RN receives and preserves the X2 interface indication information from described base station equipment, specifically comprises:
Described RN receives the Node B configuration update message from described base station equipment, in the Neighbour Information IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information;
In the adjacent cell information of the more described base station equipment of described RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
Preferably, described RN also comprises before receiving and preserve the X2 interface indication information from described base station equipment:
Described base station equipment is transmitted the information that whether has X2 interface between described base station equipment and the neighbor cell of described RN to described RN, according to the X2 from described RN, set up the information of adjacent cells that the Neighbour Information IE carrying in request message or Node B configuration update message obtains described RN;
When the adjacent cell information of described RN changes, described base station equipment triggers X2-AP process.
Preferably, described base station equipment is set up after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN according to the X2 from described RN, also comprises:
If there is the neighbor cell of described RN in the community that exists X2 interface to be connected with described base station equipment, in the Neighbour Information IE of described base station equipment in the upper Node B configuration update message that once sends to described RN, carry adjacent cell information and the X2 interface indication information of described RN.
Preferably, described base station equipment is set up after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN according to the X2 from described RN, also comprises:
If do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN, described base station equipment is obtained the transport layer address of the neighbor cell of described RN, initiates X2 interface connect foundation to the neighbor cell of described RN.
The embodiment of the present invention also proposes a kind of RN, comprising:
Acquisition module, for obtaining the base station equipment at described RN place and the X2 interface indication information between the neighbor cell of described RN;
Judge module, while switching for the subscriber equipment under described RN, the X2 interface indication information obtaining according to described acquisition module judges between the base station equipment at described RN place and the neighbor cell of described RN whether have X2 interface;
Handover module, while there is X2 interface for judging at described judge module between the base station equipment at described RN place and the neighbor cell of described RN, initiates X2 and switches; At described judge module, judge while there is not X2 interface between the base station equipment at described RN place and the neighbor cell of described RN, initiate S1 and switch.
Preferably, described acquisition module, specifically in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from described base station equipment.
Preferably, in X2 process of establishing,
Described acquisition module, sets up response message specifically for the X2 receiving from described base station equipment, X2 set up in the Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
Preferably, in X2 config update process,
Described acquisition module, specifically for receiving the Node B configuration update message from described base station equipment, in the Neighbour Information IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
The technical scheme of the embodiment of the present invention has the following advantages, because when UE switches, RN determines how to initiate handoff procedure according to the X2 interface indication information between base station equipment and the neighbor cell of RN, has improved the success rate of switching.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is for introducing the network architecture schematic diagram of the LTE-A system after RN;
Fig. 2 is the protocol stack architecture schematic diagram of other eNB outside RN, DeNB and DeNB;
Fig. 3 is a kind of method flow diagram of initiating switching in the embodiment of the present invention one;
Fig. 4 is a kind of method flow diagram of initiating switching in the embodiment of the present invention two;
Fig. 5 is a kind of method flow diagram of initiating switching in the embodiment of the present invention three;
Fig. 6 is the structural representation of a kind of RN in the embodiment of the present invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 3, a kind of method flow diagram of initiating switching in the embodiment of the present invention one, comprises the following steps:
Step 301, RN obtains the X2 interface indication information between self base station equipment at place and the neighbor cell of RN.
Particularly, RN, in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from base station equipment.
In X2 process of establishing, RN receives and preserves the X2 interface indication information from described base station equipment, specifically comprise: the X2 that RN receives from described base station equipment sets up response message, X2 set up in the neighbor information Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of the more described base station equipment of RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
In X2 config update process, RN receives and preserves the X2 interface indication information from described base station equipment, specifically comprise: RN receives the Node B configuration update message from described base station equipment, in the Neighbour Information IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of the more described base station equipment of RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
Before RN receives and preserves the X2 interface indication information from described base station equipment, also comprise: base station equipment is transmitted the information that whether has X2 interface between described base station equipment and the neighbor cell of described RN to described RN, according to the X2 from described RN, set up the information of adjacent cells that the Neighbour Information IE carrying in request message or Node B configuration update message obtains described RN; When the adjacent cell information of described RN changes, described base station equipment triggers X2-AP process.
Base station equipment is according to setting up from the X2 of described RN after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN, also comprise: if there is the neighbor cell of described RN in the community that exists X2 interface to be connected with described base station equipment, in the Neighbour Information IE of described base station equipment in the upper Node B configuration update message that once sends to described RN, carry adjacent cell information and the X2 interface indication information of described RN.
Base station equipment is according to setting up from the X2 of described RN after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN, also comprise: if do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN, described base station equipment is obtained the transport layer address of the neighbor cell of described RN, initiates X2 interface connect foundation to the neighbor cell of described RN.
Step 302, when the subscriber equipment under RN switches, RN judges between self base station equipment at place and the neighbor cell of RN whether have X2 interface according to X2 interface indication information, if existed, performs step 303; If there is no, perform step 304.
Step 303, RN initiates X2 and switches.
Step 304, RN initiates S1 and switches.
The technical scheme of the embodiment of the present invention has the following advantages, because when UE switches, RN determines how to initiate handoff procedure according to the X2 interface indication information between base station equipment and the neighbor cell of RN, has improved the success rate of switching.
As shown in Figure 4, a kind of method flow diagram of initiating switching in the embodiment of the present invention two, comprises the following steps:
Wherein, X2SETUP RESPONSE message format, as shown in table 1, in the Neighbour Information IE of DeNB in X2SETUPRESPONSE message, carry and the neighbor cell of RN between X2 interface indication information.
Table 1X2SETUP RESPONSE message format table
It should be noted that, the inventive method can be adjusted each step order according to actual needs.
The technical scheme of the embodiment of the present invention has the following advantages, because when UE switches, RN determines how to initiate handoff procedure according to the X2 interface indication information between DeNB and the neighbor cell of RN, has improved the success rate of switching.
As shown in Figure 5, a kind of method flow diagram of initiating switching in the embodiment of the present invention three, comprises the following steps:
Particularly, the form of ENB CONFIGURATION UPDATE message, as shown in table 2.DeNB exchanges the service cell information of all increases or modification, in the Neighbour Information IE in ENB CONFIGURATIONUPDATE message, carry and neighbor cell between X2 interface indication information.
Table 2ENB CONFIGURATION UPDATE message format table
It should be noted that, in RN when there is service cell information change, also can send X2 configuration update message to DeNB, the Neighbour Information IE carrying in the ENB CONFIGURATION UPDATE message that the NeighbourInformation IE that DeNB can carry according to RN in X2 configuration update message decides once DeNB to initiate, obtain the adjacent cell information of RN, if there is the neighbor cell of RN in other eNB communities that exist X2 interface to be connected with DeNB, the adjacent cell information that DeNB comprises RN in can the NeighbourInformation IE in the upper ENB CONFIGURATION UPDATE message that once sends to RN, and carry X2 interface indication information.
It should be noted that, the inventive method can be adjusted each step order according to actual needs.
The technical scheme of the embodiment of the present invention has the following advantages, because when UE switches, RN determines how to initiate handoff procedure according to the X2 interface indication information between DeNB and the neighbor cell of RN, improve the success rate of switching, and reduced the number of cells that Neighbour Information IE carries.
As shown in Figure 6, the structural representation for a kind of RN in the embodiment of the present invention four, comprising:
Above-mentioned acquisition module 610, specifically in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from described base station equipment.
In X2 process of establishing, above-mentioned acquisition module 610, specifically for the X2 receiving from described base station equipment, set up response message, X2 set up in the Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
In X2 config update process, above-mentioned acquisition module 610, specifically for receiving the Node B configuration update message from described base station equipment, in the NeighbourInformation IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
The technical scheme of the embodiment of the present invention has the following advantages, because when UE switches, RN determines how to initiate handoff procedure according to the X2 interface indication information between base station equipment and the neighbor cell of RN, has improved the success rate of switching.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be integrated in one, and also can separatedly dispose, and can merge into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (9)
1. initiate a method of switching, it is characterized in that, comprise the following steps:
Via node RN, in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from base station equipment;
When the subscriber equipment under described RN switches, described RN judges between self base station equipment at place and the neighbor cell of described RN whether have X2 interface according to described X2 interface indication information, if existed, described RN initiates X2 and switches; If there is no, described RN initiates S1 switching.
2. the method for claim 1, is characterized in that, in X2 process of establishing, described RN receives and preserve the X2 interface indication information from described base station equipment, specifically comprises:
The X2 that described RN receives from described base station equipment sets up response message, X2 set up in the neighbor information Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information;
In the adjacent cell information of the more described base station equipment of described RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
3. the method for claim 1, is characterized in that, in X2 config update process, described RN receives and preserve the X2 interface indication information from described base station equipment, specifically comprises:
Described RN receives the Node B configuration update message from described base station equipment, in the Neighbour Information IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information;
In the adjacent cell information of the more described base station equipment of described RN, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
4. the method for claim 1, is characterized in that, described RN also comprises before receiving and preserve the X2 interface indication information from described base station equipment:
Described base station equipment is transmitted the information that whether has X2 interface between described base station equipment and the neighbor cell of described RN to described RN, according to the X2 from described RN, set up the information of adjacent cells that the Neighbour Information IE carrying in request message or Node B configuration update message obtains described RN;
When the adjacent cell information of described RN changes, described base station equipment triggers X2-AP process.
5. method as claimed in claim 4, it is characterized in that, described base station equipment is set up after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN according to the X2 from described RN, also comprises:
If there is the neighbor cell of described RN in the community that exists X2 interface to be connected with described base station equipment, in the Neighbour Information IE of described base station equipment in the upper Node B configuration update message that once sends to described RN, carry adjacent cell information and the X2 interface indication information of described RN.
6. method as claimed in claim 4, it is characterized in that, described base station equipment is set up after the Neighbour Information IE carrying in request message or Node B configuration update message obtains the information of adjacent cells of described RN according to the X2 from described RN, also comprises:
If do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN, described base station equipment is obtained the transport layer address of the neighbor cell of described RN, initiates X2 interface connect foundation to the neighbor cell of described RN.
7. a RN, is characterized in that, comprising:
Acquisition module, in X2 process of establishing or X2 config update process, receives and preserves the X2 interface indication information from base station equipment;
Judge module, while switching for the subscriber equipment under described RN, the X2 interface indication information obtaining according to described acquisition module judges between the base station equipment at described RN place and the neighbor cell of described RN whether have X2 interface;
Handover module, while there is X2 interface for judging at described judge module between the base station equipment at described RN place and the neighbor cell of described RN, initiates X2 and switches; At described judge module, judge while there is not X2 interface between the base station equipment at described RN place and the neighbor cell of described RN, initiate S1 and switch.
8. RN as claimed in claim 7, is characterized in that, in X2 process of establishing,
Described acquisition module, sets up response message specifically for the X2 receiving from described base station equipment, X2 set up in the Neighbour Information IE in response message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
9. RN as claimed in claim 7, is characterized in that, in X2 config update process,
Described acquisition module, specifically for receiving the Node B configuration update message from described base station equipment, in the Neighbour Information IE in described Node B configuration update message, carry and the neighbor cell of described RN between X2 interface indication information; In the adjacent cell information of more described base station equipment, whether there is the neighbor cell of described RN, if had, will preserve described X2 interface indication information; If no, confirm do not have X2 interface to connect between described base station equipment and the neighbor cell of described RN.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910091196.9A CN101998552B (en) | 2009-08-13 | 2009-08-13 | Method for performing switchover and relay node |
| PCT/CN2010/075979 WO2011018052A1 (en) | 2009-08-13 | 2010-08-13 | Method and relay node for initiating handover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910091196.9A CN101998552B (en) | 2009-08-13 | 2009-08-13 | Method for performing switchover and relay node |
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| CN101998552B true CN101998552B (en) | 2014-04-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101867985B (en) * | 2010-02-26 | 2013-09-18 | 新邮通信设备有限公司 | Switching method, relay node and donor base station in long-term evolution enhancement system |
| CN102655662B (en) * | 2011-03-04 | 2016-12-07 | 中兴通讯股份有限公司 | Processing method and device for cell handover |
| CN102917427B (en) * | 2011-08-03 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of method and system for controlling user equipment to be switched to blend modes of operation cell |
| CN103313327B (en) * | 2012-03-14 | 2018-09-25 | 中兴通讯股份有限公司 | Support method, donor base station and the relay node of relay node switching |
| CN104105147B (en) * | 2013-04-03 | 2018-10-12 | 中国移动通信集团公司 | A kind of transmission node information and the method and system of service switching |
| CN109863822A (en) * | 2016-11-30 | 2019-06-07 | 华为技术有限公司 | Information processing method and base station |
| CN111769963B (en) * | 2019-04-02 | 2021-08-27 | 大唐移动通信设备有限公司 | Neighbor-free configuration updating method and network management server |
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| CN101166369A (en) * | 2006-10-18 | 2008-04-23 | 日本电气株式会社 | Handover control system, method for the same, and mobile communication system and radio base station |
| CN101400156A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Downlink and uplink data packet forwarding method based on S1 switching |
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| CN101299876B (en) * | 2007-04-30 | 2011-07-06 | 华为技术有限公司 | Synchronization method, communication handover method, wireless network and node |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166369A (en) * | 2006-10-18 | 2008-04-23 | 日本电气株式会社 | Handover control system, method for the same, and mobile communication system and radio base station |
| CN101400156A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Downlink and uplink data packet forwarding method based on S1 switching |
Non-Patent Citations (1)
| Title |
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| Huawei.Exchange of S1 Interface Information between eNBs on X2，R3-081157.《3GPP TSG RAN WG3 Meeting #60 》.2008,第1页. * |
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| WO2011018052A1 (en) | 2011-02-17 |
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