CN102006642A - Method for switching between home base station and relay station - Google Patents
Method for switching between home base station and relay station Download PDFInfo
- Publication number
- CN102006642A CN102006642A CN2010102711457A CN201010271145A CN102006642A CN 102006642 A CN102006642 A CN 102006642A CN 2010102711457 A CN2010102711457 A CN 2010102711457A CN 201010271145 A CN201010271145 A CN 201010271145A CN 102006642 A CN102006642 A CN 102006642A
- Authority
- CN
- China
- Prior art keywords
- relay station
- home enodeb
- information
- femto gateway
- donor enb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The embodiment of the invention relates to a method for switching between a home base station and a relay station in mobile communication. In the method, the relay station (or the home base station) controls a wireless transmit-receive unit to obtain the configuration and the measurement information of the current cell and the target home base station (or the target relay station); switching request information transmitted by a source home base station (or a source relay station) is transmitted to the target relay station (or the target home base station) through the route of the gateway of the home base station (or a macro base station corresponding to the source relay station); the data transmitted by a service gateway is cached in the gateway of the home base station (or the macro base station corresponding to the source relay station) after the connection of user equipment with the source home base station (or the source relay station) is disconnected, and then the data is forwardedd to the macro base station corresponding to the target relay station (or the gateway of the home base station); and interfaces X2 between the gateway of the home base station and the macro base station corresponding to the relay station are communicated in the switching course.
Description
Technical field
The present invention relates to the mobile communication technology field, special, the present invention be used for next generation mobile communication system (LTE/LTE-Advanced) Home eNodeB (Home eNodeB, HeNB) and relay station (Relay Station, RS) changing method between.
Background technology
At present, 3-G (Generation Three mobile communication system) has obtained commercial widely, simultaneously, the 9th version (Release-9) of the evolution technology of UMTS (universal mobile telecommunications system)---LTE standard also will be formulated in the end of the year 2010 and finish, critical stage has also been arrived in the standard formulation of the 4th third-generation mobile communication system (Release-10), is placed high hopes by people by the leading LTE-Advanced technology of formulating of 3GPP.
In next generation mobile communication system, because to new frequency range and effective support of bandwidth applications greatly, performance parameters such as peak rate and spectrum efficiency are effectively promoted, meanwhile, the wider network coverage and bigger power system capacity become one of important demand.
Along with system's frequency of utilization is more and more higher, the decay meeting of signal is more serious, the signal strength signal intensity that causes owing to reasons such as blocking of building and the decline of quality simultaneously, the user is also promoting gradually for service quality, in order to remedy the network coverage and to improve power system capacity, relay station (Relay Station is introduced in the LTE-Advanced decision in the new network architecture, RS) enlarge the network coverage and power system capacity, make the user to come access network, can also come access network by relay station simultaneously by macro base station.
Meanwhile, in order to realize that better internal home network covers and network capacity expands, LTE has also introduced HomeeNodeB (the evolved Node B of family in Rel-8, also claim Femtocell, Home eNodeB, HeNB), this is because show according to ASSOCIATE STATISTICS both domestic and external, the voice service in 3G epoch 70% and 90% data service occur in indoor, better indoor covering not only can be satisfied the demand of ever-increasing service quality of user and two-forty, dispose voluntarily by the user owing to Home eNodeB simultaneously, can save the fixed capital input of operator, improve the income of operator, Home eNodeB can be deployed in indoor, university, company, places such as market.
Compare with common macro base station, Home eNodeB has that volume is little, transmitting power is low, user's characteristics such as installation and maintenance, plug and play voluntarily, each big operator, equipment commercial city give Home eNodeB with great concern both at home and abroad at present, in areas such as North America, Singapore, Home eNodeB has obtained commercial preferably.
Be accompanied by the deployment of relay station and Home eNodeB, the mobile management of terminal becomes a stubborn problem, in existing research, about the switching focus of Home eNodeB mainly between Home eNodeB and the Home eNodeB and the switching between Home eNodeB and the macro base station; Simultaneously, the switching research scene that relaying is relevant mainly concentrates on:
(1) relay station is to the switching of its Donor eNB: subscriber equipment is in the service of relay station at present, switches to its Donor eNB from this relay station.
(2) relay station is to the switching of adjacent macro base station: subscriber equipment is in the service of relay station at present, switches to its adjacent macro base station from this relay station.
(3) switching between the relay station under the same Donor eNB: subscriber equipment is in the service of relay station at present, switches to another relay station under its Donor eNB node from this relay station.
(4) switching between the relay station under the different Donor eNB: subscriber equipment is in the service of a relay station under the Donor eNB node at present, switches to relay station under another Donor eNB node from this relay station.
(5) switching of the relay station of Donor eNB under this Donor eNB node: subscriber equipment is in the service of Donor eNB at present, switches to relay station under this Donor eNB node from this Donor eNB.
The switching of (6) Donor eNB relay station under another Donor eNB node: subscriber equipment is in the service of a Donor eNB at present, switches to relay station under this another Donor eNB node from this Donor eNB.
Simultaneously, in the switching research of Home eNodeB, related scene has:
(1) Home eNodeB is to the switching of macro base station: subscriber equipment is in the service of one family base station at present, switches to the process of macro base station from this Home eNodeB.
(2) macro base station is to the switching of family base station: subscriber equipment is in the service of a macro base station at present, switches to the process of Home eNodeB from this grand/base station.
(3) switching between the Home eNodeB under the same femto gateway: subscriber equipment is in the service of one family base station at present, switches to the process of the Home eNodeB under the same femto gateway control from this Home eNodeB.
(4) switching between the Home eNodeB under the different home base-station gateway: subscriber equipment is in the service of one family base station at present, switches to the process of the Home eNodeB under another femto gateway control from this Home eNodeB.
Up to the present, the 3GPP of standardization body (3rd Generation Partnership Project, third generation partner program) carrying out the discussion of Home eNodeB mobility enhancing aspect, the someone proposes directly to set up X2 interface to strengthen its mobility etc. between the Home eNodeB under the same home base-station gateway at present.But, also do not relate to for Home eNodeB and the direct mobility problem of relay station.
Can see, in existing switching research and standardized process, do not consider the switching between relay station and the Home eNodeB, but in the mobile communication system in future, along with macro base station, relay station, uniting of Home eNodeB disposed and networking, only consider the switching between macro base station and the relay station, switching between macro base station and the Home eNodeB, switching between the Home eNodeB, switching between the relay station is far from being enough, user mobile between relay station and Home eNodeB is possible, therefore, switching between relay station and the Home eNodeB inevitably can take place.
Figure 1 shows that to comprise that simultaneously relay station switches and the system architecture diagram of Home eNodeB under two kinds of handoff scenario that relay station switches to Home eNodeB, it comprises a Mobility Management Entity (MME)/gateway (S-GW), macro base station, one family base-station gateway, one family base station and a relay station.
Therefore, in existing technology, also not at the characteristics realization relay station of Home eNodeB and relay station and the effective solution between the Home eNodeB.
Summary of the invention
The present invention is intended to the problem switched at the user of the fine solution of failing in the existing mobile communication handoff technique between relay station and Home eNodeB, proposed the changing method of a kind of subscriber equipment between relay station and Home eNodeB, this method can reduce handover delay, reduce hand off signaling.
To achieve these goals, solve the corresponding techniques problem, the invention provides the handover scheme of a kind of relay station to the family base station:
Step 1: relay station obtains the configuration and the metrical information of adjacent Home eNodeB;
Step 2: relay station sends to Donor eNB with the information that obtains in the step 1, and Donor eNB sends to femto gateway to information and the handoff request information that relay station obtains in step 1;
Step 3: the information that femto gateway provides according to Donor eNB finds corresponding Home eNodeB, sends switching request response to DonoreNB then;
After step 4:WTRU (wireless transmit/receive units) and relay station disconnected and being connected, the downlink data of gateway transmission ended in Donor eNB;
Step 5:Donor eNB is forwarded to the target femto gateway with the downlink data in the step 4, and the target femto gateway sends the data to the target Home eNodeB.
The present invention also provides the handover scheme of a kind of Home eNodeB to relay station:
Step 1: Home eNodeB obtains adjacent relay station configuration and metrical information;
Step 2: Home eNodeB sends to femto gateway with the information that obtains in the step 1, and femto gateway stands in the information and the handoff request information that obtain in the step 1 to family and sends to Donor eNB;
The information that step 3:Donor eNB provides according to femto gateway finds corresponding relay station, sends switching request response to femto gateway then;
After step 4:WTRU (wireless transmit/receive units) and Home eNodeB disconnected and being connected, the downlink data of gateway transmission ended in femto gateway;
Step 5: femto gateway is forwarded to the Donor eNB of target relay station correspondence with the downlink data in the step 4, and DonoreNB sends the data to target relay station.
As can be seen from the above technical solutions, technical scheme of the present invention sends to target Home eNodeB (target relay station) with the relevant information and the message of source relay station (source Home eNodeB), if obtaining sure handoff request replys, WTRU and relaying sub-district, source (source home base station cells) disconnect be connected after, the data of gateway send and end in source Donor eNB (source femto gateway), source Donor eNB (source femto gateway) forwards the data to target Home eNodeB (target relay station) through X2 interface and target femto gateway (target Donor eNB) route, thereby realizes the switching between relay station and the Home eNodeB.
Below by the drawings and specific embodiments technical scheme of the present invention is further set forth.
Description of drawings
In order to set forth embodiments of the invention and existing technical scheme more clearly, below the explanation accompanying drawing of using in technical scheme explanation accompanying drawing of the present invention and the description of the Prior Art is done simple introduction, conspicuous, under the prerequisite of not paying creative work, those of ordinary skills can obtain other accompanying drawing by this accompanying drawing.
Figure 1 shows that the system architecture diagram that comprises handoff scenario between relay station and the Home eNodeB in the embodiment of the invention;
Figure 2 shows that relay station is to the hand off signaling interaction figure of family base station in the embodiment of the invention one;
Figure 3 shows that Home eNodeB is to the hand off signaling interaction figure of relay station in the embodiment of the invention two.
Embodiment
Clearer for what technical scheme advantage of the present invention was described, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, obvious described embodiment is part embodiment of the present invention, rather than whole embodiment.According to embodiments of the invention, those of ordinary skill in the art can realize every other embodiment of the present invention on without the basis of creative work, all belong to protection scope of the present invention.
In the following description, the technology that has nothing to do with the present invention is only done concise and to the point technical descriptioon or directly plunderred suddenly skip over.
Main thought of the present invention is, the relevant information and the message of source relay station (source Home eNodeB) are sent to target Home eNodeB (target relay station), if obtaining sure handoff request replys, WTRU and relaying sub-district, source (source home base station cells) disconnect be connected after, the data of gateway send and end in source Donor eNB (source femto gateway), source Donor eNB (source femto gateway) forwards the data to target Home eNodeB (target relay station) through X2 interface and target femto gateway (target Donor eNB) route, thereby realizes the switching between relay station and the Home eNodeB.
" WTRU " that is hereinafter quoted belongs to but be not limited to beep-pager, travelling carriage, cell phone, net book, travelling carriage, fixing or mobile contracted user unit, PDA(Personal Digital Assistant), computer or other subscriber equipment or the terminals that can use under wireless environment.The term of hereinafter quoting " macro base station " then is to comprise but do not belong to eNodeB, base station, evolved base station etc.The term of hereinafter quoting " Home eNodeB " then is to comprise but do not belong to Home eNodeB, base station from home, femtocell access point etc.
Figure 1 shows that and comprise that simultaneously relay station switches and the system architecture diagram of Home eNodeB under two kinds of handoff scenario that relay station switches to Home eNodeB, it comprises a Mobility Management Entity (MME)/gateway (S-GW), macro base station, one family base-station gateway, one family base station and a relay station, especially, between macro base station and femto gateway, disposed X2 interface, directly X2 interface helps reducing hand off signaling, reduces time delay.
Fig. 2 is the particular flow sheet that the embodiment of the invention one relay station switches to the family base station, specifically comprises:
Step 201: relay station is according to the measurement parameter of the information Control WTRU in the Neighboring Cell List.
Measurement parameter in this step contains in the Neighboring Cell List and the adjacent home base station cells information in relaying sub-district, current WTRU place.Measuring Control Parameter can comprise: the physical district ID of adjacent home base station cells, carrier frequency, bandwidth etc., and for adjacent home base station cells, measure Control Parameter and also will comprise closed user group ID etc.
Step 202:WTRU reports relay station with metrical information.
Comprise the user in the metrical information to the signal strength signal intensity of Home eNodeB and the measurement of signal quality, reporting rule may be cycle triggering, Event triggered or hybrid triggering.
Step 203: relaying carries out switch decision according to the information that step 202 reports.
Judgement is according to can be for choosing the strongest home base station cells of signal power as the target switching cell or choose the strongest home base station cells of signal quality as switching target.Relay station obtains femtocell information (comprising the femto gateway essential information that the Home eNodeB configuration information is corresponding with it) in adjacent cell list.
Femtocell information can comprise: Physical Cell Identifier PCI, Tracking Area Code TAC, public land mobile network sign PLMN, closed user group id CSG ID, Home eNodeB sign, Home eNodeB pattern.
The Home eNodeB pattern can comprise: may be deployed in ground such as enterprise, campus closed mode (closed mode), may be deployed in the market mixed mode (hybrid mode), may be deployed in the open mode (open mode) of enterprise.
Femto gateway information can comprise: femto gateway sign HeNB-GW ID, network ip address etc.
Step 204: relay station reports Donor eNB with handoff request, comprises described femtocell information of step 203 and femto gateway information in the handoff request.
Step 205:Donor eNB directly sends to the target femto gateway with handoff request by X2 interface.
Send handoff request by the X2 interface between Donor eNB and the femto gateway and help reducing signaling traffic load, reduce handover delay.
Step 206: the target femto gateway carries out simple access control after receiving the handoff request of step 205 after, give corresponding target Home eNodeB with the handoff request route according to the Home eNodeB ID in the handoff request.
In the process of femto gateway access control,, judge then whether the closed user group id of this closed user group id and femto gateway support is consistent if carried the closed user group id in the handoff request.If then this WTRU is the contracted user of Home eNodeB, insert; If not, then this WTRU is not the contracted user of Home eNodeB, femto gateway is refused its access.
After femto gateway executed simple access control, femto gateway was given corresponding target Home eNodeB according to the Home eNodeB ID in the handoff request with the handoff request route.
Step 207: Home eNodeB inserts request to the user and carries out access control.
In the process of Home eNodeB access control,, judge then whether the closed user group id of this closed user group id and Home eNodeB support is consistent if carried the closed user group id in the handoff request.If then this WTRU is the contracted user of Home eNodeB, insert; If not, then this WTRU is not the contracted user of Home eNodeB, femto gateway is refused its access.
In inserting request, comprised the pattern of Home eNodeB, then carried out access control according to the operational mode of Home eNodeB.When the family base station is open mode, then insert.
When the family base station was mixed mode, when then inserting, the WTRU in the closed user group preferentially inserted, and such user may accept to be better than non-this type of user's service simultaneously; If the WTRU that prepare to insert is not the member of closed user group, then access priority is lower than the closed user group membership, simultaneously this type of user may receive be lower than the closed user group membership service class.
When the family base station was closed mode, the member in the closed user group can insert, and other users cannot insert, directly refusal.
Step 208: after Home eNodeB is made access control, handoff request acknowledgment message is sent to femto gateway.
Step 209: femto gateway is sent to Donor eNB with handoff request acknowledgment message.
Step 210:Donor eNB is sent to relay station with handoff request acknowledgment message.
Step 211: relay station is sent to WTRU with switching command.
Step 212:WTRU leaves relaying sub-district, source.
Step 213: the source relay station is data cached.
Step 214: relay station is forwarded to Donor eNB with data in buffer.
After step 215:WTRU left the cell-of-origin, the downlink grouped data that gateway sends all should end in Donor eNB, and does not continue to be sent to relay station.
After WTRU leaves the cell-of-origin, WTRU can send leave the cell-of-origin message to gateway, after gateway is received message, downlink grouped data directly is sent to Donor eNB, rather than continues to be sent to relay station.Help reducing gateway like this and continue to send out data to relay station, relay station forwards the data to the time delay and the redundancy of target Home eNodeB again through Donor eNB route.
Step 216:Donor eNB is sent to femto gateway with the downlink grouped data of buffer memory.
Step 217: femto gateway is sent to the target Home eNodeB with the downlink grouped data of buffer memory.
Step 218: Home eNodeB buffer memory femto gateway is transmitted the data of coming.
Step 219:WTRU is synchronized to the target home base station cells, after the walking along the street of going forward side by side is directly changed, finishes switching.
Fig. 3 is the particular flow sheets of the embodiment of the invention two Home eNodeB to the relay station switching, specifically comprises:
Step 301: Home eNodeB is according to the measurement parameter of the information Control WTRU in the Neighboring Cell List.
Measurement parameter in this step contains in the Neighboring Cell List and the adjacent relay station cell information of current WTRU place home base station cells.Measuring Control Parameter can comprise: the physical district ID of neighboring relay stations sub-district, carrier frequency, bandwidth etc.
Step 302:WTRU reports Home eNodeB with metrical information.
Comprise the user in the metrical information to the signal strength signal intensity of relay station and the measurement of signal quality, reporting rule may be cycle triggering, Event triggered or hybrid triggering.
Step 303: Home eNodeB carries out switch decision according to the information that step 302 reports.
Judgement is according to can be for choosing the strongest relaying sub-district of signal power as the target switching cell or choose the strongest relaying sub-district of signal quality as switching target.Home eNodeB obtains relay station information (comprising relay station configuration information etc.) in adjacent cell list.
Relay station information can comprise: Physical Cell Identifier PCI, Tracking Area Code TAC, public land mobile network sign PLMN, relay station sign.
Step 304: Home eNodeB reports femto gateway with handoff request, comprises described relay station information of step 303 and Donor eNB information in the handoff request.
Step 305: femto gateway directly sends to target Donor eNB with handoff request by X2 interface.
Send handoff request by the X2 interface between Donor eNB and the femto gateway and help reducing signaling traffic load, reduce handover delay.
Step 306:Donor eNB carries out simple access control after receiving the handoff request of step 305 after, give corresponding relay station with the handoff request route according to the relay station ID in the handoff request.
Step 307: relay station inserts request to the user and carries out access control.
Step 308: after relay station is made access control, handoff request acknowledgment message is sent to Donor eNB.
Step 309:Donor eNB is sent to femto gateway with handoff request acknowledgment message.
Step 310: femto gateway is sent to Home eNodeB with handoff request acknowledgment message.
Step 311: Home eNodeB is sent to WTRU with switching command.
Step 312:WTRU leaves the source home base station cells.
Step 313: the source Home eNodeB is data cached.
Step 314: Home eNodeB is forwarded to femto gateway with data in buffer.
After step 315:WTRU left the cell-of-origin, the downlink grouped data that gateway sends all should end in femto gateway, and does not continue to be sent to Home eNodeB.
After WTRU leaves the cell-of-origin, WTRU can send leave the cell-of-origin message to gateway, after gateway is received message, downlink grouped data directly is sent to femto gateway, rather than continues to be sent to Home eNodeB.Help reducing gateway like this and continue to send out data to Home eNodeB, Home eNodeB forwards the data to the time delay and the redundancy of target relay station again through the femto gateway route.
Step 316: femto gateway is sent to Donor eNB with the downlink grouped data of buffer memory.
Step 317:Donor eNB is sent to target relay station with the downlink grouped data of buffer memory.
Step 318: relay station buffer memory Donor eNB transmits the data of coming.
Step 319:WTRU is synchronized to the target relay station sub-district, after the walking along the street of going forward side by side is directly changed, finishes switching.
More than be to specifying of embodiment of the invention core concept and unrestricted, in concrete implementation process, can do suitable improvement to method of the present invention, to adapt to the needs of concrete condition, those of ordinary skill in the art can be with reference to the embodiment of the invention by simple substitutions and modifications, and do not break away from the category of technical solution of the present invention.
Claims (10)
1. a relay station is characterized in that may further comprise the steps to the switching handling method of family base station:
Step 1: relay station obtains the configuration and the metrical information of adjacent Home eNodeB;
Step 2: relay station sends to Donor eNB with the information that obtains in the step 1, and Donor eNB sends to femto gateway to information and the handoff request information that relay station obtains in step 1;
Step 3: the information that femto gateway provides according to Donor eNB finds corresponding Home eNodeB, sends switching request response to DonoreNB then;
After step 4:WTRU (wireless transmit/receive units) and relay station disconnected and being connected, the downlink data of gateway transmission ended in Donor eNB;
Step 5:Donor eNB is forwarded to the target femto gateway with the downlink data in the step 4, and the target femto gateway sends the data to the target Home eNodeB.
2. switching handling method according to claim 1 is characterized in that:
In the described step 1, WTRU under the relay station service obtains the configuration and the metrical information of adjacent Home eNodeB, it is measured Control Parameter and can comprise: the physical district ID of adjacent home base station cells, carrier frequency, bandwidth etc., for adjacent home base station cells, measure Control Parameter and also will comprise closed user group ID etc.
3. switching handling method according to claim 1 is characterized in that:
In the described step 2, relay station sends to Donor eNB with the configuration information of the target Home eNodeB that obtains in the step 1 and metrical information etc., and Donor eNB sends to femto gateway to information and the handoff request information that relay station obtains in step 1.
Donor eNB directly is sent to information the target femto gateway by X2 interface, and without core net node.
4. switching handling method according to claim 1 is characterized in that:
In the described step 3, the message that femto gateway sends to Donor eNB directly sends by X2 interface, rather than through core net node (such as MME).
5. switching handling method according to claim 1 is characterized in that:
In the described step 4, after WTRU (wireless transmit/receive units) and relay station disconnected and being connected, the downlink data of gateway transmission ended in Donor eNB, rather than is sent to relay station.
6. a Home eNodeB is characterized in that may further comprise the steps to the switching handling method of relay station:
Step 1: Home eNodeB obtains adjacent relay station configuration and metrical information;
Step 2: Home eNodeB sends to femto gateway with the information that obtains in the step 1, and femto gateway stands in the information and the handoff request information that obtain in the step 1 to family and sends to Donor eNB;
The information that step 3:Donor eNB provides according to femto gateway finds corresponding relay station, sends switching request response to femto gateway then;
After step 4:WTRU (wireless transmit/receive units) and Home eNodeB disconnected and being connected, the downlink data of gateway transmission ended in femto gateway;
Step 5: femto gateway is forwarded to the Donor eNB of target relay station correspondence with the downlink data in the step 4, and DonoreNB sends the data to target relay station.
7. switching handling method according to claim 6 is characterized in that:
In the described step 1, the WTRU under family's base station services obtains the configuration and the metrical information of neighboring relay stations, and it is measured Control Parameter and can comprise: the physical district ID of neighboring relay stations sub-district, carrier frequency, bandwidth etc.
8. switching handling method according to claim 6 is characterized in that:
In the described step 2, Home eNodeB sends to femto gateway with the configuration information of the target relay station that obtains in the step 1 and metrical information etc., and femto gateway sends to DonoreNB to information and the handoff request information that Home eNodeB obtains in step 1.
Femto gateway directly is sent to information target Donor eNB by X2 interface, and without core net node.
9. switching handling method according to claim 6 is characterized in that:
In the described step 3, the message that Donor eNB sends to femto gateway directly sends by X2 interface, rather than through core net node (such as MME).
10. switching handling method according to claim 6 is characterized in that:
In the described step 4, after WTRU (wireless transmit/receive units) and Home eNodeB disconnected and being connected, the downlink data of gateway transmission ended in femto gateway, rather than is sent to Home eNodeB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102711457A CN102006642A (en) | 2010-09-03 | 2010-09-03 | Method for switching between home base station and relay station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102711457A CN102006642A (en) | 2010-09-03 | 2010-09-03 | Method for switching between home base station and relay station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102006642A true CN102006642A (en) | 2011-04-06 |
Family
ID=43813614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102711457A Pending CN102006642A (en) | 2010-09-03 | 2010-09-03 | Method for switching between home base station and relay station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102006642A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892131A (en) * | 2011-07-21 | 2013-01-23 | 中兴通讯股份有限公司 | Method and system for managing UE (user equipment) by RN (relay node) in postback link interruption |
| WO2013044525A1 (en) * | 2011-09-30 | 2013-04-04 | 富士通株式会社 | Method and device for notifying physical downlink shared channel starting symbol |
| CN103220815A (en) * | 2012-01-18 | 2013-07-24 | 中兴通讯股份有限公司 | Establishing method and device of interface connection between base stations |
| CN103945470A (en) * | 2013-01-18 | 2014-07-23 | 华为技术有限公司 | Switching method, source communication node and target communication node |
| CN106162779A (en) * | 2015-04-09 | 2016-11-23 | 上海贝尔股份有限公司 | For the method keeping the business continuance of subscriber equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400160A (en) * | 2007-09-29 | 2009-04-01 | 北京三星通信技术研究有限公司 | Method for establishing connection by HNB |
| CN101466125A (en) * | 2008-12-10 | 2009-06-24 | 上海华为技术有限公司 | Switch processing method, household base station gateway and network system |
| CN101651950A (en) * | 2009-09-09 | 2010-02-17 | 新邮通信设备有限公司 | Business realization method, equipment and system in long-term evolution network |
| CN101657028A (en) * | 2009-09-10 | 2010-02-24 | 新邮通信设备有限公司 | Method, device and system for establishing S1 interface connection |
| GB2463001A (en) * | 2008-08-11 | 2010-03-03 | Picochip Designs Ltd | Method and network nodes whereby X2 proxy provides support for mobility and interference control signalling between enhanced macro and femto ode Bs |
| WO2010050140A1 (en) * | 2008-10-30 | 2010-05-06 | パナソニック株式会社 | Radio transmitting/receiving apparatus and method, terminal apparatus, base station apparatus and wireless communication system |
-
2010
- 2010-09-03 CN CN2010102711457A patent/CN102006642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400160A (en) * | 2007-09-29 | 2009-04-01 | 北京三星通信技术研究有限公司 | Method for establishing connection by HNB |
| GB2463001A (en) * | 2008-08-11 | 2010-03-03 | Picochip Designs Ltd | Method and network nodes whereby X2 proxy provides support for mobility and interference control signalling between enhanced macro and femto ode Bs |
| WO2010050140A1 (en) * | 2008-10-30 | 2010-05-06 | パナソニック株式会社 | Radio transmitting/receiving apparatus and method, terminal apparatus, base station apparatus and wireless communication system |
| CN101466125A (en) * | 2008-12-10 | 2009-06-24 | 上海华为技术有限公司 | Switch processing method, household base station gateway and network system |
| CN101651950A (en) * | 2009-09-09 | 2010-02-17 | 新邮通信设备有限公司 | Business realization method, equipment and system in long-term evolution network |
| CN101657028A (en) * | 2009-09-10 | 2010-02-24 | 新邮通信设备有限公司 | Method, device and system for establishing S1 interface connection |
Non-Patent Citations (1)
| Title |
|---|
| YI WU; DONGMEI ZHANG; HAI JIANG; YE WU: "A novel spectrum arrangement scheme for femto cell deployment in LTE macro cells", 《PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892131A (en) * | 2011-07-21 | 2013-01-23 | 中兴通讯股份有限公司 | Method and system for managing UE (user equipment) by RN (relay node) in postback link interruption |
| WO2013010393A1 (en) * | 2011-07-21 | 2013-01-24 | 中兴通讯股份有限公司 | Method and system for relay node to manage user equipment upon interruption of return link |
| CN102892131B (en) * | 2011-07-21 | 2018-05-11 | 中兴通讯股份有限公司 | The method and system of relay node management user equipment when a kind of return link interrupts |
| WO2013044525A1 (en) * | 2011-09-30 | 2013-04-04 | 富士通株式会社 | Method and device for notifying physical downlink shared channel starting symbol |
| US9456393B2 (en) | 2011-09-30 | 2016-09-27 | Fujitsu Limited | Method and apparatus for notifying starting symbol of physical downlink shared channel |
| CN103220815A (en) * | 2012-01-18 | 2013-07-24 | 中兴通讯股份有限公司 | Establishing method and device of interface connection between base stations |
| WO2013107346A1 (en) * | 2012-01-18 | 2013-07-25 | 中兴通讯股份有限公司 | Method and device for establishing interface connection between base stations |
| CN103220815B (en) * | 2012-01-18 | 2019-02-15 | 中兴通讯股份有限公司 | A kind of inter-base station interface connection method for building up and device |
| CN103945470A (en) * | 2013-01-18 | 2014-07-23 | 华为技术有限公司 | Switching method, source communication node and target communication node |
| CN106162779A (en) * | 2015-04-09 | 2016-11-23 | 上海贝尔股份有限公司 | For the method keeping the business continuance of subscriber equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101400160B (en) | Method for establishing connection by HNB | |
| JP5492507B2 (en) | Base station gateway, base station switching method and data processing method by base station gateway | |
| JP5650200B2 (en) | Optimization of serving gateway location in home eNB with local IP access | |
| EP2445264B1 (en) | Method and system for informing user access mode | |
| CN106376049B (en) | Target base station and mobility management entity for a communication network and corresponding operating methods, communication systems and mobile communication devices | |
| Rath et al. | Fast handover in cellular networks with femtocells | |
| CN101677455A (en) | Method for assisting network to find destination node | |
| CN104349374A (en) | Method for maintaining service continuity in heterogeneous communication system | |
| US20120003980A1 (en) | Method and apparatus for supporting local breakout in wireless communication network including femtocells | |
| CN104349394A (en) | Method, system and equipment for supporting service local segregation in small cell structure | |
| CN102256329B (en) | A kind of method and apparatus realizing Route Selection | |
| CN101600238A (en) | Seek the method for target core network network node | |
| WO2015085730A1 (en) | Method, system and connection device for implementing local gateway service | |
| CN102006642A (en) | Method for switching between home base station and relay station | |
| JP6345248B2 (en) | Method and base station for processing selected IP traffic offload connection | |
| JP2015008543A (en) | Radio communication routing and access point base station | |
| CN101998562A (en) | Systems and methods for acquiring access information of user by core network in the switching process | |
| CN102958094A (en) | System and method for implementation of femtocell wireless access network sharing | |
| CN102281600B (en) | A kind of method and apparatus realizing local switching | |
| JP2015534790A (en) | Un subframe arrangement method and apparatus | |
| Chen et al. | A femtocell-assisted data forwarding protocol in relay enhanced LTE networks | |
| CN102340881A (en) | Method and system for deleting terminal information on direct interface | |
| CN102076081A (en) | Going-to-register notifying method and system for base station | |
| CN102316494B (en) | resource authorization method and system | |
| CN102149067B (en) | Method for managing local IP data and mobile communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110406 |