CN105101359A - Target slave base station determining method, and device, main base station and slave base station - Google Patents

Target slave base station determining method, and device, main base station and slave base station Download PDF

Info

Publication number
CN105101359A
CN105101359A CN201410194054.6A CN201410194054A CN105101359A CN 105101359 A CN105101359 A CN 105101359A CN 201410194054 A CN201410194054 A CN 201410194054A CN 105101359 A CN105101359 A CN 105101359A
Authority
CN
China
Prior art keywords
slave base
base station
wireless communication
communication terminal
targeted
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.)
Granted
Application number
CN201410194054.6A
Other languages
Chinese (zh)
Other versions
CN105101359B (en
Inventor
陈亚迷
李刚
张兴
冯剑
孙军帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mobile Communications Group Co Ltd
Original Assignee
China Mobile Communications Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Mobile Communications Group Co Ltd filed Critical China Mobile Communications Group Co Ltd
Priority to CN201410194054.6A priority Critical patent/CN105101359B/en
Publication of CN105101359A publication Critical patent/CN105101359A/en
Application granted granted Critical
Publication of CN105101359B publication Critical patent/CN105101359B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a target slave base station determining method, and device, main base station and slave base station. The determining method includes sending a terminal signal detecting request to a plurality of selected candidate slave base stations; receiving a detecting report; and choosing one of the slave base stations to be the target slave base station according to contextual information and receiving signal quality of wireless communication terminals fed back by the candidate slave base stations. The detecting report also includes that the uplink time lead estimation and/or uplink frequency deviation estimation of the wireless communication terminals. The determining method also includes a second sending step of acquiring synchronization information and sending to the synchronization information to the wireless communication terminal so as to enable the wireless communication terminal to synchronize with the target slave base station according to the synchronization information.

Description

A kind of defining method of targeted slave base station, device, dominant base and slave base stations
Technical field
The present invention relates to the communications field, particularly relate to a kind of defining method of targeted slave base station, device, dominant base and slave base stations.
Background technology
SmallCell (micro-base station) can shift the service traffics of macro base station effectively, it is helped to carry out flow unloading, the covering of effective expansion macro base station also promotes the power system capacity of cordless communication network, therefore in order to alleviate the huge flow pressure of network that is current and exponential increase from now on and a large amount of house data business demands, 3GPP relevant criterion proposes the research about smallcell.
Face the future the traffic carrying capacity of exponential increase, and move under the scene that user terminal is arranged at SmallCell super-intensive, will bring switching times more frequently, not only network of relation signaling increases, and cutting off rate and handover failure rate also will be increased sharply.Following SmallCell dense deployment, need in communication process design, fully take into account SmallCell dormancy and activation strategy, when guaranteed efficiency, reduction signaling consumption and user are consumed energy as far as possible.
3GPPR10 is standardized discussing based on the intra-eNBCA scheme under desirable backhaul and 3GPPR12 can be used for overcoming the above problems based on the dual link scheme under imperfect backhaul.Fig. 1 is a kind of dual link structural representation, as shown in the figure, user terminal is connected by setting up unique RRC with large base station (signaling base station), manage the configuration/reconfiguration of little base station (data basestation), this avoid user terminal frequent problem switching a large amount of signaling consumption and the hydraulic performance decline caused between the little base station covered among a small circle.Simultaneously because large base station and little base station define overlapping covering, when load is less, data basestation can be turned off dynamically, avoid and cover black hole, can efficiency be improved.
The mentality of designing of current 3GPP is applied to little base station carrier after being simplified by the carrier wave being used for large base station, little base station carrier design also retains the design of large base station carrier mostly, basic similar with large base station measurement, the mechanism such as synchronous, fully do not excavate the possibility being optimized design based on grand micro-cooperation, constrain performance and efficiency optimization space like this, cause little base station cost still higher simultaneously.Consider that the fiber deployment of last one kilometer is comparatively easy, make little base station relatively easily can be connected to large base station by desirable passback.So be necessary the coordinated making full use of size base station, reduce broadcast signaling expense and the process complexity of little base station further.
Meanwhile, also there is the synchronous comparatively loaded down with trivial details problem between terminal and little base station in prior art.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of defining method of targeted slave base station, device, dominant base and slave base stations, existing terminal listens signal can be utilized to complete the determination of targeted slave base station, measurement and synchronous, simplify the configuration of slave base stations, reduce the signaling consumption of slave base stations, the problem that the broadcast signaling expense avoiding slave base stations causes cost high, simultaneously can connection establishment speed between increasing terminal and little base station.
To achieve these goals, the invention provides a kind of defining method of targeted slave base station, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, described defining method comprises: the first forwarding step: intercept request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report; First receiving step: what receive that described multiple candidate slave base station feeds back respectively intercepts report; First determining step: the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station; Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation;
Described defining method also comprises:
Second forwarding step: obtain according to the synchronizing information of the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to described targeted slave base station, send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The defining method of above-mentioned targeted slave base station, wherein, also comprises: provide step: provide allocation of radio resources to advise to described targeted slave base station.
The defining method of above-mentioned targeted slave base station, wherein, described step is provided after also comprise: obtaining step: obtain described targeted slave base station and carry out the information of radio resource allocation after Resourse Distribute according to the suggestion of described allocation of radio resources, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The defining method of above-mentioned targeted slave base station, wherein, before described first forwarding step, also comprises: determining step: judge whether to need transmitting terminal signal to intercept request; Described first forwarding step when described determining step judges to need transmitting terminal signal to intercept request, intercepts request to selected multiple candidate slave base stations transmitting terminal signal further.
The defining method of above-mentioned targeted slave base station, wherein, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first forwarding step is further when described determining step judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
The defining method of above-mentioned targeted slave base station, wherein, when get from a slave base stations show described slave base stations can not meet the resource requirement of wireless communication terminal information or receive that other dominant bases send carry terminal signaling intercept the handover request of request time, described determining step judges to need transmitting terminal signal to intercept request.
The defining method of above-mentioned targeted slave base station, wherein, show described in that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
The defining method of above-mentioned targeted slave base station, wherein, described dominant base selectes multiple candidate slave base station according to the direction of arrival information of described wireless communication terminal or the measurement report of described wireless communication terminal.
The defining method of above-mentioned targeted slave base station, wherein, described contextual information comprises: user context information, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
The defining method of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Present invention also offers a kind of communication means, for a dominant base, the targeted slave base station that described dominant base and defining method as above are determined communicates, described communication means comprises: the 3rd forwarding step: send radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station; Second receiving step: receive the resource allocation result that described targeted slave base station sends; 4th forwarding step: described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of defining method of targeted slave base station, for comprising the slave base stations in the cordless communication network of slave base stations and dominant base, described defining method comprises: the 3rd receiving step: the terminal signaling receiving dominant base transmission intercepts request; Intercept step: ask to intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify according to described intercepting, what obtain the received signal quality carrying described wireless communication terminal intercepts report; Feedback step: by described reporting feedback of intercepting to described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station.Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation, make described dominant base can obtain the synchronizing information of described wireless communication terminal to described targeted slave base station according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation, and send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The defining method of above-mentioned targeted slave base station, wherein, described slave base stations is the targeted slave base station that described dominant base is determined, described defining method also comprises: the 4th receiving step: receive the allocation of radio resources suggestion that described dominant base provides.
The defining method of above-mentioned targeted slave base station, wherein, also comprise: the 5th forwarding step: the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station sends to described dominant base, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The defining method of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Present invention also offers a kind of communication means, for a targeted slave base station, described targeted slave base station is determined according to defining method as above, and described communication means comprises: the 5th receiving step: receive the radio-resource-configuration request that dominant base sends; Second determining step: be that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request; 7th forwarding step: resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of determining device of targeted slave base station, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, described determining device comprises: the first sending module, for intercepting request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report; First receiver module, intercepts report for what receive that described multiple candidate slave base station feeds back respectively; First determination module, for the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station;
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation;
Described determining device also comprises:
Second sending module, sending to described wireless communication terminal according to the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to the synchronizing information of described targeted slave base station for obtaining, carrying out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, also comprises: provide module, for providing allocation of radio resources to advise to described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, also comprise: acquisition module, the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion for obtaining described targeted slave base station, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, also comprises: judge module is used for judging whether to need transmitting terminal signal to intercept request; Described first sending module is further used for, when described judge module judges to need transmitting terminal signal to intercept request, intercepting request to selected multiple candidate slave base stations transmitting terminal signal.
The determining device of above-mentioned targeted slave base station, wherein, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first sending module is further used for when described judge module judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
The determining device of above-mentioned targeted slave base station, wherein, when get from a slave base stations show described slave base stations can not meet the resource requirement of wireless communication terminal information or receive that other dominant bases send carry terminal signaling intercept the handover request of request time, described judge module judges to need transmitting terminal signal to intercept request.
The determining device of above-mentioned targeted slave base station, wherein, show described in that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
The determining device of above-mentioned targeted slave base station, wherein, described dominant base selectes multiple candidate slave base station according to the direction of arrival information of described wireless communication terminal or the measurement report of described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, described contextual information comprises: user context information, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
The determining device of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Present invention also offers a kind of communicator, for a dominant base, the targeted slave base station that described dominant base and defining method as above are determined communicates, it is characterized in that, described communicator comprises: the 3rd sending module, for sending radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station; Second receiver module, for receiving the resource allocation result that described targeted slave base station sends; 4th sending module, for described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of dominant base, comprise device as above.
Present invention also offers a kind of determining device of targeted slave base station, for comprising the slave base stations in the cordless communication network of slave base stations and dominant base, described determining device comprises: the 3rd receiver module, and the terminal signaling sent for receiving dominant base intercepts request; Intercept module, intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify for intercepting request described in basis, what obtain the received signal quality carrying described wireless communication terminal intercepts report; Feedback module, for by described intercept reporting feedback give described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station; Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation, make described dominant base can obtain the synchronizing information of described wireless communication terminal to described targeted slave base station according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation, and send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, described slave base stations is the targeted slave base station that described dominant base is determined, described determining device also comprises: the 4th receiver module, for receiving the allocation of radio resources suggestion that described dominant base provides.
The determining device of above-mentioned targeted slave base station, wherein, also comprise: the 5th sending module, described dominant base is sent to for the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, described slave base stations is the targeted slave base station that described dominant base is determined, described in intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation; Described determining device also comprises: the 6th sending module, for sending to wireless communication terminal by according to the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to the synchronizing information of described targeted slave base station by dominant base, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Present invention also offers a kind of communicator, for a targeted slave base station, described targeted slave base station defining method as above is determined, described communicator comprises: the 5th receiver module, for receiving the radio-resource-configuration request that dominant base sends; Second determination module, for being that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request; 7th send pacing module, for resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of slave base stations, comprise device as above.
The beneficial effect of technique scheme of the present invention is as follows:
The invention provides a kind of defining method of targeted slave base station, device, dominant base and slave base stations, terminal listens signal can be utilized to complete the determination of targeted slave base station, measurement and synchronous, simplify the configuration of slave base stations, reduce the signaling consumption of slave base stations, the problem that the broadcast signaling expense avoiding slave base stations causes cost high.The scalability of future network website closeness can also be promoted simultaneously, promote Consumer's Experience.
In the embodiment of the present invention, in the process of selected target slave base stations, just complete collection and the calculating of synchronizing information, and directly send to terminal, directly carry out synchronous according to this synchronizing information with targeted slave base station by terminal, instead of just initiate synchronous process first determine targeted slave base station as prior art after, therefore greatly accelerate the connection establishment speed between terminal and little base station.
Accompanying drawing explanation
Fig. 1 is a kind of dual link structural representation.
The schematic flow sheet of the defining method of the targeted slave base station for dominant base that Fig. 2 provides for the embodiment of the present invention 1.
The schematic flow sheet of the defining method of the targeted slave base station for slave base stations that Fig. 3 provides for the embodiment of the present invention 1.
The schematic flow sheet of the communication means for dominant base that Fig. 4 provides for the embodiment of the present invention 2.
The schematic flow sheet of the communication means for slave base stations that Fig. 5 provides for the embodiment of the present invention 2.
The defining method of the targeted slave base station that Fig. 6 provides for the embodiment of the present invention 3 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station.
The defining method of the targeted slave base station that Fig. 7 provides for the embodiment of the present invention 4 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station.
The defining method of the targeted slave base station that Fig. 8 provides for the embodiment of the present invention 5 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station.
The defining method of the targeted slave base station in the handoff procedure that Fig. 9 provides for the embodiment of the present invention 6 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the present invention is in prior art, slave base stations carrier wave continues to use the slave base stations high cost that dominant base carrier wave causes, the broadcast signaling expense problem that greatly also process is complicated, provide a kind of defining method of targeted slave base station, device, dominant base and slave base stations, existing terminal listens signal can be utilized to complete the determination of targeted slave base station, measurement and synchronous, simplify the configuration of slave base stations, reduce the signaling consumption of slave base stations, the problem that the broadcast signaling expense avoiding slave base stations causes cost high.
The defining method of targeted slave base station provided by the invention, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, as shown in Figure 2, described defining method comprises:
Step S200, first forwarding step: intercept request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
Step S202, the first receiving step: what receive that described multiple candidate slave base station feeds back respectively intercepts report;
Step S204, the first determining step: the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station.
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation;
Described defining method also comprises:
Second forwarding step: obtain according to the synchronizing information of the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to described targeted slave base station, send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
And the slave base stations from the cordless communication network comprising slave base stations and dominant base, the defining method of above-mentioned targeted slave base station, as shown in Figure 3, specifically comprises:
Step S300, the 3rd receiving step: the terminal signaling receiving dominant base transmission intercepts request;
Step S302, intercepts step: ask to intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify according to described intercepting, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
Step S304, feedback step: by described reporting feedback of intercepting to described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station.
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation, make described dominant base can obtain the synchronizing information of described wireless communication terminal to described targeted slave base station according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation, and send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
In the embodiment of the present invention, dominant base intercepts request to multiple candidate slave base stations transmitting terminal signal, candidate slave base station is intercepted request according to terminal signaling and is intercepted the signal of corresponding terminal, what obtain the received signal quality carrying described wireless communication terminal intercepts reporting feedback to dominant base, by the received signal quality of dominant base contextual information and wireless communication terminal, one is selected as targeted slave base station from multiple candidate slave base station, namely existing terminal listens signal can be utilized to complete the determination of targeted slave base station, reduce the signaling consumption of slave base stations, the problem that the broadcast signaling expense avoiding slave base stations causes cost high.
In the specific embodiment of the invention, after determining targeted slave base station, usually need the synchronizing information of the wireless communication terminal ensureing targeted slave base station and use its resource.
Described wireless communication terminal can be determined according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation by targeted slave base station to the synchronizing information of described targeted slave base station, also can be determined by dominant base, namely by targeted slave base station, the estimation of the upstream time lead of described wireless communication terminal and/or upstream frequency estimation of deviation are sent to dominant base, the synchronizing information of described wireless communication terminal to described targeted slave base station is determined according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation by dominant base.
In the embodiment of the present invention, in the process of selected target slave base stations, just complete collection and the calculating of synchronizing information, and directly send to terminal, directly carry out synchronous according to this synchronizing information with targeted slave base station by terminal, instead of just initiate synchronous process first determine targeted slave base station as prior art after, therefore greatly accelerate the connection establishment speed between terminal and little base station.
Wherein, candidate slave base station is one group of slave base stations that dominant base is selected based on location, and described dominant base can select multiple candidate slave base station according to the measurement report of the direction of arrival information of described wireless communication terminal or described wireless communication terminal.
Dominant base contextual information and each candidate slave base station feedback intercept report, determine targeted slave base station, wherein, described contextual information can comprise: comprise the user context information of the ability to communicate of wireless communication terminal, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
In a targeted slave base station deterministic process, determine a certain slave base stations A as behind targeted slave base station, this slave base stations A needs for wireless communication terminal distributing radio resource is to realize communication process; Usually such situation is had; dominant base is in another targeted slave base station deterministic process; again determine that this slave base stations A is as targeted slave base station; therefore; this slave base stations A can be wireless communication terminal distributing radio resource again; thus, cause after slave base stations A is confirmed as targeted slave base station, all need the distribution method redefining Radio Resource.
Therefore, in dominant base side, provide allocation of radio resources to advise to described targeted slave base station.
And in slave base stations side, after a slave base stations is confirmed as targeted slave base station, the allocation of radio resources suggestion that described dominant base provides can be received, carry out allocation of radio resources according to the allocation of radio resources suggestion that dominant base provides.
The object of aforesaid operations is, targeted slave base station obtains allocation of radio resources suggestion from dominant base, and carry out allocation of radio resources according to this suggestion, targeted slave base station is without the need to determining the distribution method of Radio Resource.
After targeted slave base station receives the allocation of radio resources suggestion of dominant base transmission, this suggestion can be accepted, also this suggestion can not be accepted, when adjustment has been carried out to this suggestion in targeted slave base station, if do not notify dominant base, it has made adjustment to this suggestion, when it is confirmed as targeted slave base station again, dominant base is still the suggestion before adjustment to its allocation of radio resources suggestion sent, and itself it is desirable that adjustment after suggestion, after then it receives this suggestion, need again to make adjustment to this suggestion.
Therefore, in dominant base side, obtain described targeted slave base station and carry out the information of radio resource allocation after Resourse Distribute according to described allocation of radio resources suggestion, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
And in slave base stations side, information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station sends to described dominant base, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The object of aforesaid operations is, the information of radio resource allocation before utilizing as much as possible, simplifies the assigning process of Radio Resource.Wherein, in dominant base side, dominant base can obtain information of radio resource allocation by following manner: by mutual with targeted slave base station, information of radio resource allocation is got from targeted slave base station, or obtain information of radio resource allocation from shared storage area, this shared storage area is the storage area that targeted slave base station and dominant base can have access to, targeted slave base station is after having carried out Resourse Distribute, information of radio resource allocation is stored to this shared storage area, dominant base, by this shared storage area of access, obtains information of radio resource allocation.
Targeted slave base station can after receiving allocation of radio resources suggestion at every turn, all the information of radio resource allocation after carrying out Resourse Distribute according to the suggestion of described allocation of radio resources sent to described dominant base, also only the power of amendment can be had in limited time in targeted slave base station to the allocation of radio resources suggestion received, information of radio resource allocation after carrying out Resourse Distribute is sent to described dominant base, the object of such operation is, avoid unnecessary data transmission procedure, because, when targeted slave base station does not have the power of amendment in limited time, then Resourse Distribute is carried out in its allocation of radio resources suggestion that can only accept dominant base transmission, now, also described dominant base is sent to regard to there is no need the information of radio resource allocation after being carried out Resourse Distribute, because information of radio resource allocation is now identical with the allocation of radio resources that dominant base sends suggestion, further, can only after amendment have been made to the allocation of radio resources suggestion received in targeted slave base station, information of radio resource allocation after carrying out Resourse Distribute is sent to described dominant base, because, only have when targeted slave base station modifies the allocation of radio resources suggestion received, the information of radio resource allocation ability after it carries out Resourse Distribute is different from the allocation of radio resources that dominant base sends suggestion.
The defining method of the targeted slave base station of specific embodiments of the invention can be applied to several scenes, for different scenes, triggers multiple candidate slave base stations transmitting terminal signal and intercepts request.
In dominant base side, before the first forwarding step, can also comprise: determining step: judge whether to need transmitting terminal signal to intercept request; Described first forwarding step when described determining step judges to need transmitting terminal signal to intercept request, intercepts request to selected multiple candidate slave base stations transmitting terminal signal further.
Time in for handoff scenario, wherein, when receive that other dominant bases send carry terminal signaling intercept the handover request of request time, determining step judges to need transmitting terminal signal to intercept request.
Can also be applied in other scenes, such as, current for wireless communication terminal provide the slave base stations of Radio Resource cannot meet the resource requirement of wireless communication terminal time, wherein, when get from a slave base stations show that described slave base stations can not meet the information of the resource requirement of wireless communication terminal time, determining step judge need transmitting terminal signal to intercept request.
Wherein, show described in that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
The defining method of above-mentioned targeted slave base station, wherein, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first forwarding step is further when described determining step judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
When the signal that wireless communication terminal sends is the signal of non-continuous transmission, needing to specify the signal needing to carry out intercepting, namely for the signal that wireless communication terminal sends, can intercept it by intercepting request to the signal transmission of specifying.
The defining method of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Existing SRS can be utilized to intercept determination that signal completes targeted slave base station, the SRS that wireless communication terminal sends is configure without the need to communication terminal by intercepting demand according to data transfer demands or SRS before this dominant base, by intercepting the SRS that wireless communication terminal sends, obtain the received signal quality of wireless communication terminal.
The communication means that the embodiment of the present invention provides, for a dominant base, the targeted slave base station that described dominant base and defining method as above are determined communicates, and as shown in Figure 4, described communication means comprises:
Step S400, the 3rd forwarding step: send radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station;
Step S402, the second receiving step: receive the resource allocation result that described targeted slave base station sends;
Step S404, the 4th forwarding step: described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
And the slave base stations from the cordless communication network comprising slave base stations and dominant base, above-mentioned communication means, as shown in Figure 5, specifically comprises:
Step S500, the 5th receiving step: receive the radio-resource-configuration request that dominant base sends;
Step S502, the second determining step: be that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request;
Step S504, the 7th forwarding step: resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
In the embodiment of the present invention, dominant base sends radio-resource-configuration request to targeted slave base station, targeted slave base station is that corresponding terminal carries out Resourse Distribute according to radio-resource-configuration request, sends to corresponding terminal can carry out transfer of data to make wireless communication terminal resource allocation result by dominant base.
The defining method of the targeted slave base station that Fig. 6 provides for the embodiment of the present invention 3 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station, current, for wireless communication terminal provides the dominant base of Radio Resource for transferring to slave base stations to be responsible for providing Radio Resource part wireless communication terminal, as shown in the figure, described method comprises:
Step S600, dominant base intercepts request to candidate slave base station transmitting terminal signal, wherein, terminal signaling intercepts request can intercept request with the SRS making candidate slave base station intercept wireless communication terminal transmission for SRS, this request comprises the mark of the wireless communication terminal that needs are intercepted, SRS configuration and the resource distribution of wireless communication terminal can also be comprised, as SRS bandwidth, SRS frequency domain position etc., the SRS that wireless communication terminal sends is configure without the need to communication terminal by intercepting demand according to data transfer demands or SRS before this dominant base, candidate slave base station is one group of slave base stations that dominant base is selected based on location, it can be the location of the location based on wireless communication terminal direction of arrival or the measurement report based on wireless communication terminal.
Step S602, candidate slave base station receives after terminal signaling intercepts request, corresponding wireless communication terminal is intercepted, report is intercepted in acquisition, this intercepts the received signal quality that can comprise wireless communication terminal in report, can also comprise the information such as the frequency offset estimation of the estimation of upstream time lead and/or uplink SRS.
Step S604, terminal signaling is intercepted reporting feedback to dominant base by candidate slave base station.
Step S606, dominant base contextual information and each candidate slave base station feedback intercept report, determine targeted slave base station, simultaneously, can determine that allocation of radio resources is advised for this targeted slave base station, wherein, contextual information comprises: user context information, as the information such as ability to communicate of wireless communication terminal, the network context information comprising the load condition of dominant base and each candidate slave base station and the business contexts information comprising service rate, allocation of radio resources suggestion can comprise the retransmission scheme of business, the information such as the transmitted power configuration of wireless communication terminal.
Step S608, dominant base sends " slave base stations configuration/reconfiguration and allocation of radio resources " request to targeted slave base station.
Step S610, targeted slave base station is to dominant base acknowledge message, targeted slave base station can accept the allocation of radio resources suggestion of carrying in " slave base stations configuration/reconfiguration and allocation of radio resources " request of dominant base transmission, also partly can accept or not accept this suggestion, determine information of radio resource allocation, comprise: the synchronizing information, access power, resource location etc. of wireless communication terminal, wherein, Radio Resource comprises data transmission resources or the control information position of wireless communication terminal.
Step S612, dominant base sends " slave base stations configuration/reconfiguration and the allocation of radio resources " information confirmed by targeted slave base station to wireless communication terminal, wherein, this information comprises the uplink synchronous information of wireless communication terminal to targeted slave base station, the power information of wireless communication terminal access targeted slave base station, and targeted slave base station is the data transmission resources etc. that wireless communication terminal distributes.
Step S614, wireless communication terminal completes with the synchronization of targeted slave base station according to " slave base stations configuration/reconfiguration and allocation of radio resources " information, adjust radio frequency transmitted power, searches resource corresponding on targeted slave base station.
Step S616, wireless communication terminal, according to the Radio Resource got, carries out upstream data transmission or searches corresponding downlink data.
The defining method of the targeted slave base station that Fig. 7 provides for the embodiment of the present invention 4 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station, current, for wireless communication terminal provides the slave base stations of Radio Resource can not meet the resource requirement of wireless communication terminal, dominant base is for transferring to other slave base stations to be responsible for providing Radio Resource part wireless communication terminal, wherein, currently the slave base stations of Radio Resource is provided to can be described as source slave base stations for wireless communication terminal, as shown in the figure, described method also comprises on the basis of the above:
Step S700, dominant base obtains the resource situation information of source slave base stations, when source slave base stations cannot meet the resource requirement of wireless communication terminal, dominant base is that wireless communication terminal redefines a targeted slave base station for its service, wherein, when the signal strength signal intensity of source slave base stations lower than the load of preset signal strength threshold value or source slave base stations higher than default resource load threshold value time, can think that source slave base stations cannot meet the resource requirement of wireless communication terminal.
Step S702 to step S718 can with reference to the step S600 in above-mentioned flow process to step S616.
The defining method of the targeted slave base station in the handoff procedure that Fig. 8 provides for the embodiment of the present invention 5 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station, current, wireless communication terminal switches to another target dominant base from a source dominant base, target dominant base is for transferring to slave base stations to be responsible for providing Radio Resource part wireless communication terminal, then need to determine targeted slave base station in handoff procedure, as shown in the figure, described method comprises:
Step S800, source dominant base sends handover request to target dominant base, carries terminal signaling and intercept request in handover request.
Step S802 to step S812 can with reference to the step S600 in above-mentioned flow process to step S610, by target dominant base determination targeted slave base station.
Step S814, target dominant base switches message to source dominant base feedback, wherein, can comprise wireless communication terminal and be linked into the leading of target dominant base.
Step S816, wireless communication terminal is linked into target dominant base, completes the switching from source dominant base to target dominant base.
Step S818, the access of target dominant base feedback wireless communication terminal, and send to wireless communication terminal " slave base stations configuration/reconfiguration and the allocation of radio resources " information confirmed by targeted slave base station simultaneously.
Step S820, wireless communication terminal completes message to target dominant base feedback configuration.
Step S822, wireless communication terminal completes with the synchronization of targeted slave base station according to " slave base stations configuration/reconfiguration and allocation of radio resources " information, adjust radio frequency transmitted power, searches resource corresponding on targeted slave base station.
Step S824, wireless communication terminal, according to the Radio Resource got, carries out upstream data transmission or searches corresponding downlink data.
Wherein, execution and the execution of step S to step S of step S to step S are based on different Interface realizations, can carry out simultaneously, in addition, if targeted slave base station is not realize on target dominant base, then step S and step S can carry out with step S simultaneously, reduces signaling delay further.
The defining method of the targeted slave base station in the handoff procedure that Fig. 9 provides for the embodiment of the present invention 6 also uses targeted slave base station to carry out the schematic flow sheet communicated after determining targeted slave base station, in this embodiment, is with the difference of embodiment 5:
Step S808 in above-described embodiment 5 corresponds to herein to step S812:
Step S908, for allocation of radio resources scheme is determined in this targeted slave base station.
Step S910, dominant base sends notice to targeted slave base station, notice slave base stations carries out slave base stations configuration/reconfiguration and allocation of radio resources according to allocation of radio resources scheme, namely the allocation of radio resources scheme of slave base stations is determined by dominant base, and slave base stations is without the need to returning information of radio resource allocation to dominant base again.
Step S900-step S906 can with reference to the step S800-step S806 in above-mentioned flow process, and step S912-step S922 can with reference to the step S814 in above-mentioned flow process to step S824.
Present invention also offers a kind of determining device of targeted slave base station, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, described determining device comprises: the first sending module, for intercepting request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report; First receiver module, intercepts report for what receive that described multiple candidate slave base station feeds back respectively; First determination module, for the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station.
The determining device of above-mentioned targeted slave base station, wherein, also comprises: provide module, for providing allocation of radio resources to advise to described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, also comprise: acquisition module, the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion for obtaining described targeted slave base station, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, described in intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation; Described determining device also comprises: the second sending module, sending to described wireless communication terminal according to the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to the synchronizing information of described targeted slave base station for obtaining, carrying out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, also comprises: judge module is used for judging whether to need transmitting terminal signal to intercept request; Described first sending module is further used for, when described judge module judges to need transmitting terminal signal to intercept request, intercepting request to selected multiple candidate slave base stations transmitting terminal signal.
The determining device of above-mentioned targeted slave base station, wherein, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first sending module is further used for when described judge module judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
The determining device of above-mentioned targeted slave base station, wherein, when get from a slave base stations show described slave base stations can not meet the resource requirement of wireless communication terminal information or receive that other dominant bases send carry terminal signaling intercept the handover request of request time, described judge module judges to need transmitting terminal signal to intercept request.
The determining device of above-mentioned targeted slave base station, wherein, show described in that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
The determining device of above-mentioned targeted slave base station, wherein, described dominant base selectes multiple candidate slave base station according to the direction of arrival information of described wireless communication terminal or the measurement report of described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, described contextual information comprises: user context information, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
The determining device of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS, described first sending module is further used for sending SRS to selected multiple candidate slave base stations and intercepts request, intercepts request intercept the SRS being intercepted the wireless communication terminal transmission of asking to specify by described SRS respectively to make described multiple candidate slave base station according to described SRS.
Present invention also offers a kind of communicator, for a dominant base, the targeted slave base station that described dominant base and defining method as above are determined communicates, it is characterized in that, described communicator comprises: the 3rd sending module, for sending radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station; Second receiver module, for receiving the resource allocation result that described targeted slave base station sends; 4th sending module, for described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of dominant base, comprise determining device and/or the communicator of targeted slave base station as above.
Present invention also offers a kind of determining device of targeted slave base station, for comprising the slave base stations in the cordless communication network of slave base stations and dominant base, described determining device comprises: the 3rd receiver module, and the terminal signaling sent for receiving dominant base intercepts request; Intercept module, intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify for intercepting request described in basis, what obtain the received signal quality carrying described wireless communication terminal intercepts report; Feedback module, for by described intercept reporting feedback give described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, described slave base stations is the targeted slave base station that described dominant base is determined, described determining device also comprises: the 4th receiver module, for receiving the allocation of radio resources suggestion that described dominant base provides.
The determining device of above-mentioned targeted slave base station, wherein, also comprise: the 5th sending module, described dominant base is sent to for the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein, described slave base stations is the targeted slave base station that described dominant base is determined, described in intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation; Described determining device also comprises: the 6th sending module, for sending to wireless communication terminal by according to the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to the synchronizing information of described targeted slave base station by dominant base, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
The determining device of above-mentioned targeted slave base station, wherein, described terminal signaling is intercepted and is asked to intercept request for SRS.
Present invention also offers a kind of communicator, for a targeted slave base station, described targeted slave base station defining method as above is determined, described communicator comprises: the 5th receiver module, for receiving the radio-resource-configuration request that dominant base sends; Second determination module, for being that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request; 7th send pacing module, for resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
Present invention also offers a kind of slave base stations, comprise determining device and/or the communicator of targeted slave base station as above.
The slave base stations that the embodiment of the present invention provides can (comprise with road restituted signal for a kind of only biography data and channel associated signalling, and aperiodic signal as required) Novel carrier wave, and coordinate dominant base completing user to access, be dispatched to data basestation, carry out the transfer of data of up-downgoing.Particularly, the feature refinement of slave base stations is described below:
(1) simple, low expense, realizes " dataonly ": only have up-downgoing data channel and channel associated signalling (comprise with road restituted signal, and aperiodic signal as required); Without extra dedicated control channels, PDCCH (PhysicalDownlinkControlChannel in such as LTE, physical down Common Control Channel), PUCCH (PhysicalUplinkControlChannel, physical uplink Common Control Channel) and PRACH (PhysicalRandomAccessChannel, Physical Random Access Channel).
(2) traditional broadcast signaling signal is removed: cancel the exclusive synchronizing signal in traditional community: PSS/SSS (synchronously main/auxiliary synchronous signals); Cancel CRS (reference symbol that community is exclusive); The broadcast message that community on cancellation DCH is exclusive, comprises the MIB (masterinformationblock, host system message block) be carried on PBCH (PhysicalBroadcastChannel, Physical Broadcast Channel).
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (34)

1. a defining method for targeted slave base station, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, is characterized in that, described defining method comprises:
First forwarding step: intercept request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
First receiving step: what receive that described multiple candidate slave base station feeds back respectively intercepts report;
First determining step: the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station;
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation;
Described defining method also comprises:
Second forwarding step: obtain according to the synchronizing information of the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to described targeted slave base station, send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
2. defining method as claimed in claim 1, is characterized in that, also comprise:
There is provided step: provide allocation of radio resources to advise to described targeted slave base station.
3. defining method as claimed in claim 2, is characterized in that, described in step is provided after, also comprise:
Obtaining step: obtain described targeted slave base station and carry out the information of radio resource allocation after Resourse Distribute according to described allocation of radio resources suggestion, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
4. defining method as claimed in claim 1, is characterized in that, before described first forwarding step, also comprise:
Determining step: judge whether to need transmitting terminal signal to intercept request;
Described first forwarding step when described determining step judges to need transmitting terminal signal to intercept request, intercepts request to selected multiple candidate slave base stations transmitting terminal signal further.
5. defining method as claimed in claim 4, it is characterized in that, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first forwarding step is further when described determining step judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
6. defining method as claimed in claim 4, it is characterized in that, when get from a slave base stations show described slave base stations can not meet the resource requirement of wireless communication terminal information or receive that other dominant bases send carry terminal signaling intercept the handover request of request time, described determining step judges to need transmitting terminal signal to intercept request.
7. defining method as claimed in claim 6, it is characterized in that, described in show that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
8. the defining method as described in any one of claim 1-7, is characterized in that, described dominant base selectes multiple candidate slave base station according to the direction of arrival information of described wireless communication terminal or the measurement report of described wireless communication terminal.
9. the defining method as described in any one of claim 1-7, it is characterized in that, described contextual information comprises: user context information, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
10. the defining method as described in any one of claim 1-7, is characterized in that, described terminal signaling is intercepted and asked to intercept request for measuring reference signals SRS.
11. 1 kinds of communication meanss, for a dominant base, described dominant base communicates with the targeted slave base station determined by the defining method described in any one of claim 1-10, it is characterized in that, described communication means comprises:
3rd forwarding step: send radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station;
Second receiving step: receive the resource allocation result that described targeted slave base station sends;
4th forwarding step: described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
The defining method of 12. 1 kinds of targeted slave base stations, for comprising the slave base stations in the cordless communication network of slave base stations and dominant base, is characterized in that, described defining method comprises:
3rd receiving step: the terminal signaling receiving dominant base transmission intercepts request;
Intercept step: ask to intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify according to described intercepting, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
Feedback step: by described reporting feedback of intercepting to described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station;
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation, make described dominant base can obtain the synchronizing information of described wireless communication terminal to described targeted slave base station according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation, and send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
13. defining method as claimed in claim 12, it is characterized in that, described slave base stations is the targeted slave base station that described dominant base is determined, described defining method also comprises:
4th receiving step: receive the allocation of radio resources suggestion that described dominant base provides.
14. defining method as claimed in claim 13, is characterized in that, also comprise after described 4th receiving step:
5th forwarding step: the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station sends to described dominant base, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
15. defining method as described in any one of claim 12-14, is characterized in that, described terminal signaling is intercepted request for SRS and intercepted request.
16. 1 kinds of communication meanss, for a targeted slave base station, the defining method of described targeted slave base station according to any one of claim 1-10 is determined, it is characterized in that, described communication means comprises:
5th receiving step: receive the radio-resource-configuration request that dominant base sends;
Second determining step: be that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request;
7th forwarding step: resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, described wireless communication terminal realizes transfer of data according to described resource allocation result.
The determining device of 17. 1 kinds of targeted slave base stations, for comprising the dominant base in the cordless communication network of slave base stations and dominant base, is characterized in that, described determining device comprises:
First sending module, for intercepting request to selected multiple candidate slave base stations transmitting terminal signal, with make described multiple candidate slave base station according to described in intercept request and intercept by the described signal of asking the wireless communication terminal of specifying to send of intercepting respectively, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
First receiver module, intercepts report for what receive that described multiple candidate slave base station feeds back respectively;
First determination module, for the received signal quality of the described wireless communication terminal that contextual information and described multiple candidate slave base station are fed back respectively, selects a slave base stations as targeted slave base station from described multiple candidate slave base station;
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation;
Described determining device also comprises:
Second sending module, sending to described wireless communication terminal according to the described wireless communication terminal that the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation is determined to the synchronizing information of described targeted slave base station for obtaining, carrying out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
18. determining devices as claimed in claim 17, is characterized in that, also comprise:
There is provided module, for providing allocation of radio resources to advise to described targeted slave base station.
19. determining devices as claimed in claim 18, is characterized in that, also comprise:
Acquisition module, the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion for obtaining described targeted slave base station, when again choosing described targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
20. determining devices as claimed in claim 17, is characterized in that, also comprise:
Judge module is used for judging whether to need transmitting terminal signal to intercept request;
Described first sending module is further used for, when described judge module judges to need transmitting terminal signal to intercept request, intercepting request to selected multiple candidate slave base stations transmitting terminal signal.
21. determining devices as claimed in claim 20, it is characterized in that, when the signal that described wireless communication terminal sends is the signal of non-continuous transmission, described first sending module is further used for when described judge module judges to need transmitting terminal signal to intercept request, the signal sent to the wireless communication terminal of specifying sends request, and makes the wireless communication terminal of specifying send the signal that can be listened.
22. determining devices as claimed in claim 20, it is characterized in that, when get from a slave base stations show described slave base stations can not meet the resource requirement of wireless communication terminal information or receive that other dominant bases send carry terminal signaling intercept the handover request of request time, described judge module judges to need transmitting terminal signal to intercept request.
23. determining devices as claimed in claim 22, it is characterized in that, described in show that the information that slave base stations can not meet the resource requirement of wireless communication terminal comprises: the received signal strength of described slave base stations lower than the load of preset signal strength threshold value or described slave base stations higher than default resource load threshold value.
24. determining devices as described in any one of claim 17-22, it is characterized in that, described dominant base selectes multiple candidate slave base station according to the direction of arrival information of described wireless communication terminal or the measurement report of described wireless communication terminal.
25. determining devices as described in any one of claim 17-22, it is characterized in that, described contextual information comprises: user context information, comprise the network context information of the described load condition of multiple candidate slave base station and the load condition of described dominant base and comprise the business contexts information of service rate.
26. determining devices as described in any one of claim 17-22, is characterized in that, described terminal signaling is intercepted request for SRS and intercepted request.
27. 1 kinds of communicators, for a dominant base, described dominant base communicates with the targeted slave base station determined by the defining method described in any one of claim 1-10, it is characterized in that, described communicator comprises:
3rd sending module, for sending radio-resource-configuration request, to make described targeted slave base station according to described configuring request for wireless communication terminal carries out Resourse Distribute to described targeted slave base station;
Second receiver module, for receiving the resource allocation result that described targeted slave base station sends;
4th sending module, for described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
28. 1 kinds of dominant bases, is characterized in that, comprise the device as described in any one of claim 17-27.
The determining device of 29. 1 kinds of targeted slave base stations, for comprising the slave base stations in the cordless communication network of slave base stations and dominant base, is characterized in that, described determining device comprises:
3rd receiver module, the terminal signaling sent for receiving dominant base intercepts request;
Intercept module, intercept by described signal of intercepting the wireless communication terminal transmission of asking to specify for intercepting request described in basis, what obtain the received signal quality carrying described wireless communication terminal intercepts report;
Feedback module, for by described intercept reporting feedback give described dominant base, the received signal quality of the described wireless communication terminal fed back respectively to make described dominant base contextual information and multiple slave base stations, determines that from described multiple slave base stations a slave base stations is as targeted slave base station;
Describedly intercept report and also comprise: the upstream time lead of described wireless communication terminal is estimated and/or upstream frequency estimation of deviation, make described dominant base can obtain the synchronizing information of described wireless communication terminal to described targeted slave base station according to the upstream time lead estimation of described wireless communication terminal and/or upstream frequency estimation of deviation, and send to described wireless communication terminal, carry out synchronous according to described synchronizing information with described targeted slave base station to make described wireless communication terminal.
30. determining devices as claimed in claim 29, it is characterized in that, described slave base stations is the targeted slave base station that described dominant base is determined, described determining device also comprises:
4th receiver module, for receiving the allocation of radio resources suggestion that described dominant base provides.
31. determining devices as claimed in claim 30, is characterized in that, also comprise:
5th sending module, described dominant base is sent to for the information of radio resource allocation after Resourse Distribute is carried out according to described allocation of radio resources suggestion in described targeted slave base station, when again determining described targeted slave base station as targeted slave base station to make described dominant base, allocation of radio resources can be provided to advise to described targeted slave base station according to the information of radio resource allocation of described targeted slave base station.
32. determining devices as described in any one of claim 29-32, is characterized in that, described terminal signaling is intercepted request for SRS and intercepted request.
33. 1 kinds of communicators, for a targeted slave base station, the defining method of described targeted slave base station according to any one of claim 1-10 is determined, it is characterized in that, described communicator comprises:
5th receiver module, for receiving the radio-resource-configuration request that dominant base sends;
Second determination module, for being that wireless communication terminal carries out Resourse Distribute according to described radio-resource-configuration request;
7th send pacing module, for resource allocation result is sent to dominant base, to make described dominant base that described resource allocation result is sent to wireless communication terminal, realizes transfer of data to make described wireless communication terminal according to described resource allocation result.
34. 1 kinds of slave base stations, is characterized in that, comprise the device as described in any one of claim 29-33.
CN201410194054.6A 2014-05-08 2014-05-08 A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station Active CN105101359B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410194054.6A CN105101359B (en) 2014-05-08 2014-05-08 A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410194054.6A CN105101359B (en) 2014-05-08 2014-05-08 A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station

Publications (2)

Publication Number Publication Date
CN105101359A true CN105101359A (en) 2015-11-25
CN105101359B CN105101359B (en) 2019-04-09

Family

ID=54580633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410194054.6A Active CN105101359B (en) 2014-05-08 2014-05-08 A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station

Country Status (1)

Country Link
CN (1) CN105101359B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107949015A (en) * 2017-12-08 2018-04-20 海信集团有限公司 A kind of method and apparatus that terminal switching is carried out in super-intensive network
CN110892743A (en) * 2017-02-03 2020-03-17 瑞典爱立信有限公司 Handover with 0 ms user plane interruption

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101141793A (en) * 2006-09-08 2008-03-12 华为技术有限公司 Switch judging method of mobile communication service and mobile communication system
CN103327525A (en) * 2013-07-10 2013-09-25 武汉邮电科学研究院 PUCCH (physical uplink control channel)-based small cell discovering method
WO2014056132A1 (en) * 2012-10-08 2014-04-17 Nokia Siemens Networks Oy Small cell discovery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101141793A (en) * 2006-09-08 2008-03-12 华为技术有限公司 Switch judging method of mobile communication service and mobile communication system
WO2014056132A1 (en) * 2012-10-08 2014-04-17 Nokia Siemens Networks Oy Small cell discovery
CN103327525A (en) * 2013-07-10 2013-09-25 武汉邮电科学研究院 PUCCH (physical uplink control channel)-based small cell discovering method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CEWIT: "《3GPP TSG RAN WG1 Meeting #76bis R1-141686》", 4 April 2014 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110892743A (en) * 2017-02-03 2020-03-17 瑞典爱立信有限公司 Handover with 0 ms user plane interruption
CN107949015A (en) * 2017-12-08 2018-04-20 海信集团有限公司 A kind of method and apparatus that terminal switching is carried out in super-intensive network
CN107949015B (en) * 2017-12-08 2021-02-05 海信集团有限公司 Method and equipment for switching terminals in ultra-dense network

Also Published As

Publication number Publication date
CN105101359B (en) 2019-04-09

Similar Documents

Publication Publication Date Title
CN114513822B (en) Path conversion method, related device and system
EP3100575B1 (en) Methods and apparatuses for implementing dual connectivity
EP2550832B1 (en) Resource allocation for direct terminal-to-terminal communication in a cellular system
EP1890509B1 (en) Relay station, radio base station and communication method
CN102149205B (en) The method of state management of a kind of via node and system
GB2497740A (en) Mapping of discovery channel to a control channel in a device to device network
CN105357162A (en) Signal processing method, base station and terminal
JP2016519523A (en) D2D discovery method, base station, and user equipment
US20160057718A1 (en) Methods and Wireless Devices for Enabling Synchronization in D2D Communications
JP6154541B2 (en) Management of dynamic radio coverage area transition with cooperative handover
CN109257822B (en) User device and base station
CA2891506A1 (en) Methods and apparatuses for enabling direct mode communication between user equipments
WO2013104084A1 (en) Synchronization and macro connectivity reconfiguration for d2d devices
US10477496B2 (en) User device, access node device, central network controller and corresponding methods
WO2016183816A1 (en) Communication method and device
JP2015536606A (en) Wireless link establishment method, apparatus, and system
CN105101359A (en) Target slave base station determining method, and device, main base station and slave base station
CN107810658B (en) Apparatus, method and computer readable medium for multiple connectivity
EP3273741B1 (en) Data transmission method and device
CN106664663A (en) Power control method and device, parameter transmission method and device, and base station and terminal
WO2021083815A1 (en) Method and apparatus for switching of data transmission between radio access technologies for early data transmission
US11109328B2 (en) Method and apparatus for measuring downlink synchronization in wireless communication system
US20220248350A1 (en) Methods providing system frame number offset over application protocol interface and related networks and network nodes
WO2021163125A1 (en) Cast type transmission management during handovers for sidelink communication
KR20210155387A (en) Method and apparatus for performing communication in a wireless 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
GR01 Patent grant
GR01 Patent grant