CN105101359B - A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station - Google Patents

A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station Download PDF

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CN105101359B
CN105101359B CN201410194054.6A CN201410194054A CN105101359B CN 105101359 B CN105101359 B CN 105101359B CN 201410194054 A CN201410194054 A CN 201410194054A CN 105101359 B CN105101359 B CN 105101359B
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base station
slave base
wireless communication
communication terminal
request
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CN105101359A (en
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陈亚迷
李刚
张兴
冯剑
孙军帅
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The present invention provides determination method, apparatus, master base station and the slave base stations of a kind of targeted slave base station, the determining method includes: to send terminal signaling to selected multiple candidate slave base stations to listen to request;Report is listened in reception;The received signal quality for the wireless communication terminal that contextual information and multiple candidate slave base stations are fed back respectively, selects a slave base stations as targeted slave base station.It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency estimation of deviation;The determining method further include: the second sending step: synchronizing information is obtained, the wireless communication terminal is sent to, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.Using technical solution provided by the invention, the configuration of slave base stations can be simplified, reduce the signaling overheads of slave base stations, promote the scalability of future network website closeness, promote user experience.

Description

A kind of determination method, apparatus, master base station and the slave base stations of targeted slave base station
Technical field
The present invention relates to the communications field more particularly to a kind of determination method, apparatus of targeted slave base station, master base station and from Belong to base station.
Background technique
Small Cell (micro-base station) can effectively shift the service traffics of macro base station, it is helped to carry out flow unloading, It effectively expands the covering of macro base station and promotes the power system capacity of cordless communication network, therefore in order to alleviate current and index from now on The huge flow pressure of the network of growth and a large amount of house data business demand, propose in 3GPP relevant criterion about The research of small cell.
Face the future the portfolio of exponential increase, and user terminal moves under the scene that Small Cell super-intensive is arranged, More frequent switching times will be brought, not only network of relation signaling increases, and cutting off rate and handover failure rate will also increase sharply.Not Carry out Small Cell dense deployment, needs to fully take into account the suspend mode and activation plan of Small Cell in communication process design Slightly, it reduces signaling overheads as far as possible in the case where guaranteed efficiency and user is consumed energy.
The standardized intra-eNB CA scheme and 3GPP R12 based under ideal backhaul of 3GPP R10 is being begged for Opinion can be used to solve problem above based on the dual link scheme under non-ideal backhaul.Fig. 1 is a kind of dual link structure Schematic diagram, as shown, user terminal is connect by establishing unique RRC with big base station (signaling base station), to manage small base station The configuration/reconfiguration of (data basestation), the frequent switching initiation between the small base station that small range covers that this avoid user terminals A large amount of signaling overheadss and performance decline the problem of.Simultaneously because big base station and small base station form overlapping covering, load compared with When small, data basestation can be dynamically turned off, covering black hole is avoided, efficiency can be improved.
The mentality of designing of 3GPP is to be applied to small base station carrier, small base after carrying out the carrier wave for being used for big base station to simplify at present Carrier design of standing also retains the design of big base station carrier mostly, substantially similar with big base station on the mechanism such as measuring, synchronizing, not A possibility that optimizing based on macro micro- cooperation is sufficiently excavated, performance and efficiency optimization space is constrained in this way, leads simultaneously Cause small base station cost still higher.In view of the fiber deployment of last one kilometer is relatively easy to, small base station is more held It changes places and is connected to big base station by preferably returning.It is therefore necessary to make full use of the coordinated of size base station, further drop The broadcast signaling expense and processing complexity of low small base station.
Meanwhile there is also synchronize relatively complicated problem between terminal and small base station for the prior art.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of determination method, apparatus of targeted slave base station, main base It stands and slave base stations, signal can be listened to using existing terminal and completes the determination of targeted slave base station, measurement and synchronous, is simplified The configuration of slave base stations, reduces the signaling overheads of slave base stations, the broadcast signaling expense for avoiding slave base stations is caused into This high problem, at the same can the connection between increasing terminal and small base station establish speed.
To achieve the goals above, the present invention provides a kind of determination methods of targeted slave base station, for including subordinate Master base station in the cordless communication network of base station and master base station, the determining method include: the first sending step: Xiang Xuanding's is more A candidate slave base station sends terminal signaling and listens to request, so that request is listened in the multiple candidate slave base station according to It is listened to respectively to by the signal for listening to the specified wireless communication terminal transmission of request, obtains carrying the channel radio That believes the received signal quality of terminal listens to report;First receiving step: it receives the multiple candidate slave base station and feeds back respectively Listen to report;First determines step: the nothing that contextual information and the multiple candidate slave base station are fed back respectively The received signal quality of line communication terminal selects a slave base stations as targeted slave from the multiple candidate slave base station Base station;It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency deviation Estimation;
The determining method further include:
Second sending step: it obtains according to the estimation of the upstream time lead of the wireless communication terminal and/or upper line frequency The wireless communication terminal that rate estimation of deviation determines is sent to the channel radio to the synchronizing information of the targeted slave base station Terminal is believed, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
The determination method of above-mentioned targeted slave base station, wherein further include: provide step: Xiang Suoshu targeted slave base station mentions For radio resource allocation suggestion.
The determination method of above-mentioned targeted slave base station, wherein after the offer step further include: obtaining step: it obtains The targeted slave base station carries out the information of radio resource allocation after resource allocation according to the radio resource allocation suggestion, so that Master base station when choosing the targeted slave base station again, can be according to the radio resource allocation of the targeted slave base station Information provides radio resource allocation suggestion to the targeted slave base station.
The determination method of above-mentioned targeted slave base station, wherein before first sending step, further includes: judgment step: Judge whether that needing to send terminal signaling listens to request;First sending step further determines to need in the judgment step When transmission terminal signaling listens to request, multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request.
The determination method of above-mentioned targeted slave base station, wherein when the signal that the wireless communication terminal is sent is non-continuous When the signal of transmission, first sending step further needs to send terminal signaling in judgment step judgement and listens to request When, the signal that the wireless communication terminal of Xiang Zhiding is sent sends request, so that specified wireless communication terminal transmission can be detectd The signal listened.
The determination method of above-mentioned targeted slave base station, wherein show the slave base stations when getting from a slave base stations The terminal signaling that carries for not being able to satisfy the information of the resource requirement of wireless communication terminal or receiving the transmission of other master base stations is detectd When listening the switching request of request, the judgment step judgement needs to send terminal signaling and listens to request.
The determination method of above-mentioned targeted slave base station, wherein described to show that slave base stations are not able to satisfy wireless communication terminal The information of resource requirement include: the received signal strength of the slave base stations lower than preset signal strength threshold value or the subordinate The load of base station is higher than default resource load threshold value.
The determination method of above-mentioned targeted slave base station, wherein the master base station is according to the signal of the wireless communication terminal The measurement report for reaching angle information or the wireless communication terminal selectes multiple candidate slave base stations.
The determination method of above-mentioned targeted slave base station, wherein the contextual information includes: user context information, packet Include the load condition of the multiple candidate slave base station and the load condition of the master base station network context information and including The business contexts information of service rate.
The determination method of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
The present invention also provides a kind of communication means, are used for a master base station, the master base station and determination side as described above The targeted slave base station that method determines is communicated, and the communication means includes: third sending step: Xiang Suoshu targeted slave base station Radio-resource-configuration request is sent, so that the targeted slave base station is wireless communication terminal progress according to the configuring request Resource allocation;Second receiving step: the resource allocation result that the targeted slave base station is sent is received;4th sending step: will The resource allocation result is sent to wireless communication terminal, so that the wireless communication terminal is according to the resource allocation result Realize data transmission.
The present invention also provides a kind of determination methods of targeted slave base station, for the nothing including slave base stations and master base station Slave base stations in line communication network, the determining method include: third receiving step: receiving the terminal signaling that master base station is sent Listen to request;It listens to step: listening to request to by the letter listening to the specified wireless communication terminal of request and sending according to described It number is listened to, obtain the received signal quality for carrying the wireless communication terminal listens to report;Feedback step: will be described It listens to report and feeds back to the master base station, so that the master base station contextual information and multiple slave base stations are fed back respectively The wireless communication terminal received signal quality, from the multiple slave base stations determine a slave base stations as target Slave base stations.It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency Estimation of deviation enables the master base station according to the estimation of the upstream time lead of the wireless communication terminal and/or uplink Frequency offset estimation obtains the wireless communication terminal to the synchronizing information of the targeted slave base station, and is sent to described wireless Communication terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
The determination method of above-mentioned targeted slave base station, wherein the slave base stations be the master base station determine target from Belong to base station, the determining method further include: the 4th receiving step: receiving the radio resource allocation suggestion that the master base station provides.
The determination method of above-mentioned targeted slave base station, wherein further include: the 5th sending step: by the targeted slave base The information of radio resource allocation after carrying out resource allocation according to the radio resource allocation suggestion of standing is sent to the master base station, with It, can be according to the targeted slave when so that the master base station determining the targeted slave base station as targeted slave base station again The information of radio resource allocation of base station provides radio resource allocation suggestion to the targeted slave base station.
The determination method of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
The present invention also provides a kind of communication means, are used for a targeted slave base station, the targeted slave base station is according to such as The upper determination method determines that the communication means includes: the 5th receiving step: receiving the radio resource that master base station is sent and matches Set request;Second determines step: being that wireless communication terminal carries out resource allocation according to radio-resource-configuration request;7th hair It send step: resource allocation result is sent to master base station, so that the resource allocation result is sent to nothing by the master base station Line communication terminal, so that the wireless communication terminal realizes that data are transmitted according to the resource allocation result.
The present invention also provides a kind of determining devices of targeted slave base station, for the nothing including slave base stations and master base station Master base station in line communication network, the determining device include: the first sending module, for selected multiple candidate slave bases Transmission terminal signaling of standing listens to request, so that request is listened to respectively to by described in the multiple candidate slave base station according to It listens to the signal that the specified wireless communication terminal of request is sent to be listened to, obtains the reception for carrying the wireless communication terminal Signal quality listens to report;First receiving module listens to report for receive that the multiple candidate slave base station feeds back respectively It accuses;First determining module, the channel radio fed back respectively for contextual information and the multiple candidate slave base station The received signal quality for believing terminal, selects a slave base stations as targeted slave base from the multiple candidate slave base station It stands;
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency Estimation of deviation;
The determining device further include:
Second sending module, for obtain according to the upstream time lead of the wireless communication terminal estimation and/or The synchronizing information of the wireless communication terminal to the targeted slave base station that line frequency estimation of deviation determines is sent to the nothing Line communication terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein further include: module is provided, is used for the targeted slave base It stands and radio resource allocation suggestion is provided.
The determining device of above-mentioned targeted slave base station, wherein further include: module is obtained, for obtaining the targeted slave Base station carries out the information of radio resource allocation after resource allocation according to the radio resource allocation suggestion, so that the master base station It, can be according to the information of radio resource allocation of the targeted slave base station to the mesh when choosing the targeted slave base station again It marks slave base stations and radio resource allocation suggestion is provided.
The determining device of above-mentioned targeted slave base station, wherein further include: judgment module needs to send eventually for judging whether End signal listens to request;First sending module is further used for determining that needing to send terminal signaling detects in the judgment module When listening request, multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request.
The determining device of above-mentioned targeted slave base station, wherein when the signal that the wireless communication terminal is sent is non-continuous When the signal of transmission, first sending module is further used for determining that needing to send terminal signaling listens in the judgment module When request, the signal that the wireless communication terminal of Xiang Zhiding is sent sends request, so that specified wireless communication terminal transmission can The signal being listened.
The determining device of above-mentioned targeted slave base station, wherein show the slave base stations when getting from a slave base stations The terminal signaling that carries for not being able to satisfy the information of the resource requirement of wireless communication terminal or receiving the transmission of other master base stations is detectd When listening the switching request of request, the judgment module judgement needs to send terminal signaling and listens to request.
The determining device of above-mentioned targeted slave base station, wherein described to show that slave base stations are not able to satisfy wireless communication terminal The information of resource requirement include: the received signal strength of the slave base stations lower than preset signal strength threshold value or the subordinate The load of base station is higher than default resource load threshold value.
The determining device of above-mentioned targeted slave base station, wherein the master base station is according to the signal of the wireless communication terminal The measurement report for reaching angle information or the wireless communication terminal selectes multiple candidate slave base stations.
The determining device of above-mentioned targeted slave base station, wherein the contextual information includes: user context information, packet Include the load condition of the multiple candidate slave base station and the load condition of the master base station network context information and including The business contexts information of service rate.
The determining device of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
The present invention also provides a kind of communication devices, are used for a master base station, the master base station and determination side as described above Method determine targeted slave base station communicated, which is characterized in that the communication device includes: third sending module, for The targeted slave base station sends radio-resource-configuration request, so that the targeted slave base station is according to the configuring request Wireless communication terminal carries out resource allocation;Second receiving module, the resource allocation sent for receiving the targeted slave base station As a result;4th sending module, for the resource allocation result to be sent to wireless communication terminal, so that the wireless communication Terminal realizes data transmission according to the resource allocation result.
The present invention also provides a kind of master base stations, including device as described above.
The present invention also provides a kind of determining devices of targeted slave base station, for the nothing including slave base stations and master base station Slave base stations in line communication network, the determining device include: third receiving module, for receiving the terminal of master base station transmission Signal listens to request;Module is listened to, listens to the specified wireless communication terminal of request to by described for listening to request according to The signal of transmission is listened to, and obtain the received signal quality for carrying the wireless communication terminal listens to report;Feed back mould Block, for listening to report by described and feeding back to the master base station so that the master base station contextual information and it is multiple from Belong to the received signal quality of the wireless communication terminal that base station is fed back respectively, determined from the multiple slave base stations one from Belong to base station as targeted slave base station;It is described to listen to report further include: the upstream time lead of the wireless communication terminal is estimated Meter and/or upstream frequency estimation of deviation, enable the master base station to be shifted to an earlier date according to the upstream time of the wireless communication terminal Amount estimation and/or upstream frequency estimation of deviation obtain the wireless communication terminal to the targeted slave base station synchronizing information, And it is sent to the wireless communication terminal, so that the wireless communication terminal is according to the synchronizing information and the targeted slave Base station synchronizes.
The determining device of above-mentioned targeted slave base station, wherein the slave base stations be the master base station determine target from Belong to base station, the determining device further include: the 4th receiving module is built for receiving the radio resource allocation that the master base station provides View.
The determining device of above-mentioned targeted slave base station, wherein further include: the 5th sending module, for by the target from Belong to base station and the main base is sent to according to the information of radio resource allocation after radio resource allocation suggestion progress resource allocation It stands, so that when the master base station determines the targeted slave base station as targeted slave base station again, it can be according to the mesh The information of radio resource allocation for marking slave base stations provides radio resource allocation suggestion to the targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein the slave base stations be the master base station determine target from Belong to base station, it is described to listen to report further include: the upstream time lead of the wireless communication terminal is estimated and/or upstream frequency is inclined Difference estimation;The determining device further include: the 6th sending module, it will be according to the wireless communication terminal for passing through master base station The wireless communication terminal that the estimation of upstream time lead and/or upstream frequency estimation of deviation determine is to the targeted slave base The synchronizing information stood is sent to wireless communication terminal, so that the wireless communication terminal is according to the synchronizing information and the mesh Mark slave base stations synchronize.
The determining device of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
The present invention also provides a kind of communication devices, are used for a targeted slave base station, the targeted slave base station institute as above The determination method stated determines that the communication device includes: the 5th receiving module, and the radio resource for receiving master base station transmission is matched Set request;Second determining module, for being that wireless communication terminal carries out resource allocation according to radio-resource-configuration request;The Seven send step modules, for resource allocation result to be sent to master base station, so that the master base station is by the resource allocation knot Fruit is sent to wireless communication terminal, so that the wireless communication terminal realizes that data are transmitted according to the resource allocation result.
The present invention also provides a kind of slave base stations, including device as described above.
The advantageous effects of the above technical solutions of the present invention are as follows:
The present invention provides determination method, apparatus, master base station and the slave base stations of a kind of targeted slave base station, can utilize Terminal listen to signal complete the determination of targeted slave base station, measurement with it is synchronous, simplify the configuration of slave base stations, reduce subordinate The signaling overheads of base station, the broadcast signaling expense for avoiding slave base stations cause problem at high cost.Future can also be promoted simultaneously The scalability of website closeness promotes user experience.
In the embodiment of the present invention, during selected target slave base stations, collection and the meter of synchronizing information are just completed It calculates, and is transmitted directly to terminal, directly synchronized according to the synchronizing information and targeted slave base station by terminal, rather than as existing Synchronous process is just initiated after having technology first to determine targeted slave base station like that, therefore is greatly accelerated between terminal and small base station Connection establish speed.
Detailed description of the invention
Fig. 1 is a kind of dual link structural schematic diagram.
Fig. 2 is the process signal of the determination method for the targeted slave base station for master base station that the embodiment of the present invention 1 provides Figure.
Fig. 3 is that the process of the determination method for the targeted slave base station for slave base stations that the embodiment of the present invention 1 provides is shown It is intended to.
Fig. 4 is the flow diagram for the communication means for master base station that the embodiment of the present invention 2 provides.
Fig. 5 is the flow diagram for the communication means for slave base stations that the embodiment of the present invention 2 provides.
Fig. 6 is the determination method of targeted slave base station that the embodiment of the present invention 3 provides and after determining targeted slave base station The flow diagram communicated using targeted slave base station.
Fig. 7 is the determination method of targeted slave base station that the embodiment of the present invention 4 provides and after determining targeted slave base station The flow diagram communicated using targeted slave base station.
Fig. 8 is the determination method of targeted slave base station that the embodiment of the present invention 5 provides and after determining targeted slave base station The flow diagram communicated using targeted slave base station.
Fig. 9 is the determination method of the targeted slave base station in the handoff procedure that the embodiment of the present invention 6 provides and is determining mesh The flow diagram communicated after mark slave base stations using targeted slave base station.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
The embodiment of the present invention in the prior art, slave base stations carrier wave continue to use slave base stations caused by master base station carrier wave at This is excessively high, and broadcast signaling expense is big and handles complicated problem, provide a kind of targeted slave base station determination method, apparatus, Master base station and slave base stations, can be listened to using existing terminal signal complete the determination of targeted slave base station, measurement with it is synchronous, The configuration for simplifying slave base stations reduces the signaling overheads of slave base stations, and the broadcast signaling expense for avoiding slave base stations is made At problem at high cost.
The determination method of targeted slave base station provided by the invention, for the wireless communication including slave base stations and master base station Master base station in network, as shown in Fig. 2, the determining method includes:
Step S200, the first sending step: multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request, with So that the multiple candidate slave base station listens to request according to and listens to request specified wireless communication end to by described respectively The signal that end is sent is listened to, and obtain the received signal quality for carrying the wireless communication terminal listens to report;
Step S202, the first receiving step: receive that the multiple candidate slave base station feeds back respectively listens to report;
Step S204, first determines step: what contextual information and the multiple candidate slave base station were fed back respectively The received signal quality of the wireless communication terminal selects a slave base stations as mesh from the multiple candidate slave base station Mark slave base stations.
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency Estimation of deviation;
The determining method further include:
Second sending step: it obtains according to the estimation of the upstream time lead of the wireless communication terminal and/or upper line frequency The wireless communication terminal that rate estimation of deviation determines is sent to the channel radio to the synchronizing information of the targeted slave base station Terminal is believed, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
And from the point of view of the slave base stations in the cordless communication network for including slave base stations and master base station, above-mentioned targeted slave The determination method of base station, as shown in figure 3, specifically including:
Third receiving step: step S300 receives the terminal signaling that master base station is sent and listens to request;
Step S302, listens to step: listening to request to by the wireless communication terminal listening to request and specifying according to described The signal of transmission is listened to, and obtain the received signal quality for carrying the wireless communication terminal listens to report;
Step S304, feedback step: listening to described report and feed back to the master base station so that the master base station according to The received signal quality for the wireless communication terminal that contextual information and multiple slave base stations are fed back respectively, from it is the multiple from Belong to and determines a slave base stations as targeted slave base station in base station.
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency Estimation of deviation enables the master base station according to the estimation of the upstream time lead of the wireless communication terminal and/or uplink Frequency offset estimation obtains the wireless communication terminal to the synchronizing information of the targeted slave base station, and is sent to described wireless Communication terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
In the embodiment of the present invention, master base station sends terminal signaling to multiple candidate slave base stations and listens to request, candidate slave Base station is listened to request according to terminal signaling and is listened to the signal of corresponding terminal, obtains carrying the wireless communication terminal The report of listening to of received signal quality feed back to master base station, by connecing for master base station contextual information and wireless communication terminal Signal quality is received, one is selected from multiple candidate slave base stations as targeted slave base station, existing terminal can be utilized The determination that signal completes targeted slave base station is listened to, the signaling overheads of slave base stations is reduced, avoids the broadcast of slave base stations Signaling overheads causes problem at high cost.
In the specific embodiment of the invention, after determining targeted slave base station, it usually needs guarantee targeted slave base station and make With the synchronizing information of the wireless communication terminal of its resource.
The synchronizing information of the wireless communication terminal to the targeted slave base station can be by targeted slave base station according to institute The estimation of upstream time lead and/or the upstream frequency estimation of deviation for stating wireless communication terminal are determining, can also be true by master base station Fixed, i.e., the estimation of upstream time lead and/or upstream frequency deviation by targeted slave base station by the wireless communication terminal are estimated Meter is sent to master base station, by master base station according to the estimation of the upstream time lead of the wireless communication terminal and/or upstream frequency Estimation of deviation determines the wireless communication terminal to the synchronizing information of the targeted slave base station.
In the embodiment of the present invention, during selected target slave base stations, collection and the meter of synchronizing information are just completed It calculates, and is transmitted directly to terminal, directly synchronized according to the synchronizing information and targeted slave base station by terminal, rather than as existing Synchronous process is just initiated after having technology first to determine targeted slave base station like that, therefore is greatly accelerated between terminal and small base station Connection establish speed.
Wherein, candidate slave base station is the master base station one group slave base stations selected based on positioning, and the master base station can root According to the direction of arrival information of the wireless communication terminal or the measurement report of the wireless communication terminal select it is multiple it is candidate from Belong to base station.
Master base station contextual information and each candidate slave base station feedback listen to report, determine targeted slave base It stands, wherein the contextual information may include: the user context information of the ability to communicate including wireless communication terminal, packet Include the load condition of the multiple candidate slave base station and the load condition of the master base station network context information and including The business contexts information of service rate.
In a targeted slave base station determination process, it is determined that, should after a certain slave base stations A is as targeted slave base station Slave base stations A needs for wireless communication terminal distributing radio resource to realize communication process;Usually have such situation, main base Stand in another targeted slave base station determination process, determine again slave base stations A as targeted slave base station, therefore, Slave base stations A can be wireless communication terminal distributing radio resource again, thus, it causes whenever slave base stations A is confirmed as mesh After marking slave base stations, the distribution method for redefining radio resource is required.
Therefore, in master base station side, Xiang Suoshu targeted slave base station provides radio resource allocation suggestion.
And in slave base stations side, after a slave base stations are targeted slave base stations, it can receive the main base Stand provide radio resource allocation suggestion, according to master base station provide radio resource allocation suggestion carry out radio resource allocation.
The purpose of aforesaid operations is that targeted slave base station obtains radio resource allocation suggestion from master base station, is built according to this View carries out radio resource allocation, and targeted slave base station does not need to determine the distribution method of radio resource.
After the radio resource allocation that targeted slave base station receives master base station transmission is suggested, the suggestion can be received, it can also Not receive the suggestion, when targeted slave base station has carried out adjustment to the suggestion, if do not notify master base station its this is built View has made adjustment, when it is targeted slave base stations again, radio resource allocation suggestion that master base station is sent to it It is still the suggestion before adjustment, and it is it is desirable that suggestion adjusted, then after it receives the suggestion, need to the suggestion again It makes adjustment.
Therefore, in master base station side, the targeted slave base station is obtained according to the radio resource allocation suggestion and carries out resource Information of radio resource allocation after distribution, so that when the master base station chooses the targeted slave base station again, it being capable of basis The information of radio resource allocation of the targeted slave base station provides radio resource allocation suggestion to the targeted slave base station.
And in slave base stations side, the targeted slave base station is subjected to resource point according to the radio resource allocation suggestion Information of radio resource allocation after matching is sent to the master base station, so that the master base station determines the targeted slave base again It, can be according to the information of radio resource allocation of the targeted slave base station to the targeted slave when standing as targeted slave base station Base station provides radio resource allocation suggestion.
The purpose of aforesaid operations is the information of radio resource allocation before utilizing as much as possible, simplifies point of radio resource With process.Wherein, in master base station side, master base station can pass through following manner and obtain information of radio resource allocation: by with target Slave base stations interaction gets information of radio resource allocation from targeted slave base station, or obtains wireless money from shared storage area Information is distributed in source, which is targeted slave base station and the storage region that master base station is able to access that, targeted slave Base station is after having carried out resource allocation, and information of radio resource allocation is stored to the shared storage area, and master base station should by access Shared storage area obtains information of radio resource allocation.
Targeted slave base station can be after receiving radio resource allocation every time and suggesting, will be according to the radio resource point Information of radio resource allocation after carrying out resource allocation with suggestion is sent to the master base station;It can also be only in targeted slave base station When there is modification authority to the radio resource allocation suggestion received, the information of radio resource allocation after progress resource allocation is sent out Give the master base station, the purpose operated in this way be avoid unnecessary data transmission procedure because, when targeted slave base station When without modification authority, then it can only receive radio resource allocation suggestion that master base station is sent to carry out resource allocation, at this point, Also with regard to It is not necessary to which the information of radio resource allocation after being carried out resource allocation is sent to the master base station, because of nothing at this time The radio resource allocation suggestion that line resource allocation information is sent with master base station is identical;It further, can be only in target After slave base stations have made modification to the radio resource allocation suggestion received, by the radio resource point after progress resource allocation It is sent to the master base station with information, because, only when the radio resource allocation suggestion received is made in targeted slave base station When modification, the radio resource allocation suggestion that the information of radio resource allocation after carrying out resource allocation is just sent with master base station is not With.
The determination method of the targeted slave base station of specific embodiments of the present invention can be applied to several scenes, for difference Scene, trigger multiple candidate slave base stations and send terminal signalings and listen to request.
It can also include: judgment step before the first sending step in master base station side: judge whether to need to send eventually End signal listens to request;First sending step further needs to send terminal signaling and listen in judgment step judgement asks When asking, multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request.
When in handoff scenario, wherein when the terminal signaling that carries for receiving the transmission of other master base stations is listened to and asked When the switching request asked, judgment step judgement needs to send terminal signaling and listens to request.
It can also be applied in other scenes, for example, current provide the slave base stations of radio resource for wireless communication terminal When being unable to satisfy the resource requirement of wireless communication terminal, wherein when what is got from a slave base stations shows the slave base stations When not being able to satisfy the information of the resource requirement of wireless communication terminal, judgment step judgement needs to send terminal signaling and listens to request.
Wherein, it is described show slave base stations be not able to satisfy the resource requirement of wireless communication terminal information include: it is described from The received signal strength for belonging to base station is higher than default resource load lower than the load of preset signal strength threshold value or the slave base stations Threshold value.
The determination method of above-mentioned targeted slave base station, wherein when the signal that the wireless communication terminal is sent is non-continuous When the signal of transmission, first sending step further needs to send terminal signaling in judgment step judgement and listens to request When, the signal that the wireless communication terminal of Xiang Zhiding is sent sends request, so that specified wireless communication terminal transmission can be detectd The signal listened.
When the signal that wireless communication terminal is sent is the signal of non-continuous transmission, the specified letter listened to is needed Number, i.e., the signal sent for wireless communication terminal can detect it by listening to request to specified signal transmission It listens.
The determination method of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
It can use existing SRS and listen to the determination that signal completes targeted slave base station, the SRS that wireless communication terminal is sent It is by listening to demand to configure without communication terminal, by listening to nothing according to data transfer demands or SRS before the master base station The SRS that line communication terminal is sent, obtains the received signal quality of wireless communication terminal.
Communication means provided in an embodiment of the present invention is used for a master base station, the master base station and determination side as described above The targeted slave base station that method determines is communicated, as shown in figure 4, the communication means includes:
Step S400, third sending step: Xiang Suoshu targeted slave base station sends radio-resource-configuration request, so that institute It is that wireless communication terminal carries out resource allocation that targeted slave base station, which is stated, according to the configuring request;
The second receiving step: step S402 receives the resource allocation result that the targeted slave base station is sent;
Step S404, the 4th sending step: being sent to wireless communication terminal for the resource allocation result, so that described Wireless communication terminal realizes data transmission according to the resource allocation result.
And from the point of view of the slave base stations in the cordless communication network for including slave base stations and master base station, above-mentioned communication party Method, as shown in figure 5, specifically including:
The 5th receiving step: step S500 receives the radio-resource-configuration request that master base station is sent;
Step S502, second determines step: being that wireless communication terminal carries out resource according to radio-resource-configuration request Distribution;
Step S504, the 7th sending step: being sent to master base station for resource allocation result, so that the master base station is by institute It states resource allocation result and is sent to wireless communication terminal, so that the wireless communication terminal is real according to the resource allocation result Existing data transmission.
In the embodiment of the present invention, master base station sends radio-resource-configuration request, targeted slave base station to targeted slave base station It is that corresponding terminal carries out resource allocation according to radio-resource-configuration request, is sent to resource allocation result accordingly by master base station Terminal so that wireless communication terminal be able to carry out data transmission.
Fig. 6 is the determination method of targeted slave base station that the embodiment of the present invention 3 provides and after determining targeted slave base station The flow diagram communicated using targeted slave base station currently provides the master base station of radio resource for wireless communication terminal It is intended to transfer to slave base stations to be responsible for providing radio resource part wireless communication terminal, as shown in the figure, which comprises
Step S600, master base station send terminal signaling to candidate slave base station and listen to request, wherein terminal signaling, which is listened to, asks The SRS that can listen to request for SRS so that wireless communication terminal transmission is listened in candidate slave base station is sought, includes needing in the request The mark of the wireless communication terminal to be listened to, can also include wireless communication terminal SRS configuration and resource distribution, such as SRS band Width, SRS frequency domain position etc., the SRS that wireless communication terminal is sent are by being detectd before the master base station according to data transfer demands or SRS Listening demand is to configure without communication terminal, and candidate slave base station is the master base station one group slave base stations selected based on positioning, can Think the positioning based on wireless communication terminal direction of arrival or the positioning of the measurement report based on wireless communication terminal.
Step S602, candidate slave base station receive after terminal signaling listens to request, to corresponding wireless communication terminal into Row listen to, acquisition listen to report, this listen to report in may include wireless communication terminal received signal quality, can also include The information such as the frequency offset estimation of the estimation of upstream time lead and/or uplink SRS.
Terminal signaling is listened to report and feeds back to master base station by step S604, candidate slave base station.
Step S606, master base station contextual information and each candidate slave base station feedback listen to report, determine mesh Slave base stations are marked, meanwhile, radio resource allocation suggestion can be determined for the targeted slave base station, wherein contextual information includes: User context information, such as the ability to communicate information of wireless communication terminal, including master base station and each candidate slave base station The network context information of load condition and business contexts information including service rate, radio resource allocation suggestion can wrap Include the information such as the retransmission scheme of business, the transmission power configuration of wireless communication terminal.
Step S608, master base station send " slave base stations configuration/reconfiguration and radio resource allocation " to targeted slave base station Request.
Step S610, to master base station confirmation message, targeted slave base station can receive master base station transmission for targeted slave base station " slave base stations configuration/reconfiguration and radio resource allocation " request in the radio resource allocation suggestion that carries, can also part Receive or do not receive the suggestion, determine information of radio resource allocation, comprising: the synchronizing information of wireless communication terminal, access power, Resource location etc., wherein radio resource includes data transmission resources or the control information position of wireless communication terminal.
Step S612, master base station send " the slave base stations configuration/weight confirmed by targeted slave base station to wireless communication terminal Configuration and radio resource allocation " information, wherein include uplink synchronous of the wireless communication terminal to targeted slave base station in the information Information, the power information of wireless communication terminal access targeted slave base station, targeted slave base station is wireless communication terminal distribution Data transmission resources etc..
Step S614, wireless communication terminal are completed according to " slave base stations configuration/reconfiguration and radio resource allocation " information Power is sent with the synchronization of targeted slave base station, adjustment radio frequency, searches corresponding resource on targeted slave base station.
Step S616, wireless communication terminal carry out upstream data transmission or search to correspond to according to the radio resource got Downlink data.
Fig. 7 is the determination method of targeted slave base station that the embodiment of the present invention 4 provides and after determining targeted slave base station The flow diagram communicated using targeted slave base station currently provides the subordinate base of radio resource for wireless communication terminal It stands and is not able to satisfy the resource requirement of wireless communication terminal, master base station is intended to part wireless communication terminal transferring to other slave base stations It is responsible for providing radio resource, wherein currently can be described as source subordinate base for the slave base stations that wireless communication terminal provides radio resource It stands, as shown, the method is on the basis of the above further include:
Step S700, master base station obtain the resource situation information of source slave base stations, and when source, slave base stations are unable to satisfy wirelessly When the resource requirement of communication terminal, master base station is that wireless communication terminal redefines a targeted slave base station and services for it, wherein When the signal strength of source slave base stations is higher than default resource load lower than the load of preset signal strength threshold value or source slave base stations When threshold value, it is believed that source slave base stations are unable to satisfy the resource requirement of wireless communication terminal.
Step S702 to step S718 can refer to the step S600 in above-mentioned process to step S616.
Fig. 8 is the determination method of the targeted slave base station in the handoff procedure that the embodiment of the present invention 5 provides and is determining mesh The flow diagram that is communicated using targeted slave base station after mark slave base stations, currently, wireless communication terminal is from the main base in a source Station switches to another target master base station, and target master base station is intended to transfer to part wireless communication terminal slave base stations to be responsible for providing wirelessly Resource then needs to determine targeted slave base station in handoff procedure, as shown in the figure, which comprises
Step S800, source master base station send switching request to target master base station, carry terminal signaling in switching request and detect Listen request.
Step S802 to step S812 can refer to the step S600 in above-mentioned process to step S610, true by target master base station Set the goal slave base stations.
Step S814, target master base station feed back handover request to source master base station, wherein may include that wireless communication terminal connects Enter to the leading of target master base station.
Step S816, wireless communication terminal are linked into target master base station, complete cutting from source master base station to target master base station It changes.
Step S818, target master base station feed back wireless communication terminal access, and simultaneously to wireless communication terminal send by " slave base stations configuration/reconfiguration and radio resource allocation " information of targeted slave base station confirmation.
Step S820, wireless communication terminal complete message to target master base station feedback configuration.
Step S822, wireless communication terminal are completed according to " slave base stations configuration/reconfiguration and radio resource allocation " information Power is sent with the synchronization of targeted slave base station, adjustment radio frequency, searches corresponding resource on targeted slave base station.
Step S824, wireless communication terminal carry out upstream data transmission or search to correspond to according to the radio resource got Downlink data.
Wherein, the execution of step S to step S from the execution of step S to step S is realized based on different interfaces, can To carry out simultaneously, in addition, step S and step S can be with steps if targeted slave base station is realized on target master base station Rapid S is carried out simultaneously, further decreases signaling delay.
Fig. 9 is the determination method of the targeted slave base station in the handoff procedure that the embodiment of the present invention 6 provides and is determining mesh The flow diagram communicated after mark slave base stations using targeted slave base station, in this embodiment, the difference with embodiment 5 Place is:
Step S808 to step S812 in above-described embodiment 5 is corresponded to here are as follows:
Step S908 determines radio resource allocation scheme for the targeted slave base station.
Step S910, master base station send to targeted slave base station and notify, notify slave base stations according to radio resource allocation side Case carries out slave base stations configuration/reconfiguration and radio resource allocation, i.e., the radio resource allocation scheme of slave base stations is by master base station It determines, slave base stations no longer need to return to information of radio resource allocation to master base station.
Step S900- step S906 can refer to the step S800- step S806 in above-mentioned process, step S912- step S922 can refer to the step S814 in above-mentioned process to step S824.
The present invention also provides a kind of determining devices of targeted slave base station, for the nothing including slave base stations and master base station Master base station in line communication network, the determining device include: the first sending module, for selected multiple candidate slave bases Transmission terminal signaling of standing listens to request, so that request is listened to respectively to by described in the multiple candidate slave base station according to It listens to the signal that the specified wireless communication terminal of request is sent to be listened to, obtains the reception for carrying the wireless communication terminal Signal quality listens to report;First receiving module listens to report for receive that the multiple candidate slave base station feeds back respectively It accuses;First determining module, the channel radio fed back respectively for contextual information and the multiple candidate slave base station The received signal quality for believing terminal, selects a slave base stations as targeted slave base from the multiple candidate slave base station It stands.
The determining device of above-mentioned targeted slave base station, wherein further include: module is provided, is used for the targeted slave base It stands and radio resource allocation suggestion is provided.
The determining device of above-mentioned targeted slave base station, wherein further include: module is obtained, for obtaining the targeted slave Base station carries out the information of radio resource allocation after resource allocation according to the radio resource allocation suggestion, so that the master base station It, can be according to the information of radio resource allocation of the targeted slave base station to the mesh when choosing the targeted slave base station again It marks slave base stations and radio resource allocation suggestion is provided.
The determining device of above-mentioned targeted slave base station, wherein described to listen to report further include: the wireless communication terminal The estimation of upstream time lead and/or upstream frequency estimation of deviation;The determining device further include: the second sending module is used for Obtain the nothing determined according to the estimation of the upstream time lead of the wireless communication terminal and/or upstream frequency estimation of deviation Line communication terminal to the targeted slave base station synchronizing information and be sent to the wireless communication terminal so that described wireless Communication terminal is synchronized according to the synchronizing information and the targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein further include: judgment module needs to send eventually for judging whether End signal listens to request;First sending module is further used for determining that needing to send terminal signaling detects in the judgment module When listening request, multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request.
The determining device of above-mentioned targeted slave base station, wherein when the signal that the wireless communication terminal is sent is non-continuous When the signal of transmission, first sending module is further used for determining that needing to send terminal signaling listens in the judgment module When request, the signal that the wireless communication terminal of Xiang Zhiding is sent sends request, so that specified wireless communication terminal transmission can The signal being listened.
The determining device of above-mentioned targeted slave base station, wherein show the slave base stations when getting from a slave base stations The terminal signaling that carries for not being able to satisfy the information of the resource requirement of wireless communication terminal or receiving the transmission of other master base stations is detectd When listening the switching request of request, the judgment module judgement needs to send terminal signaling and listens to request.
The determining device of above-mentioned targeted slave base station, wherein described to show that slave base stations are not able to satisfy wireless communication terminal The information of resource requirement include: the received signal strength of the slave base stations lower than preset signal strength threshold value or the subordinate The load of base station is higher than default resource load threshold value.
The determining device of above-mentioned targeted slave base station, wherein the master base station is according to the signal of the wireless communication terminal The measurement report for reaching angle information or the wireless communication terminal selectes multiple candidate slave base stations.
The determining device of above-mentioned targeted slave base station, wherein the contextual information includes: user context information, packet Include the load condition of the multiple candidate slave base station and the load condition of the master base station network context information and including The business contexts information of service rate.
The determining device of above-mentioned targeted slave base station, wherein it is that SRS listens to request, institute that the terminal signaling, which listens to request, It states the first sending module to be further used for listening to request to selected multiple candidate slave base stations transmission SRS, so that described more Request is listened to according to the SRS and listens to the specified wireless communication terminal hair of request to by the SRS respectively in a candidate slave base station The SRS sent is listened to.
The present invention also provides a kind of communication devices, are used for a master base station, the master base station and determination side as described above Method determine targeted slave base station communicated, which is characterized in that the communication device includes: third sending module, for The targeted slave base station sends radio-resource-configuration request, so that the targeted slave base station is according to the configuring request Wireless communication terminal carries out resource allocation;Second receiving module, the resource allocation sent for receiving the targeted slave base station As a result;4th sending module, for the resource allocation result to be sent to wireless communication terminal, so that the wireless communication Terminal realizes data transmission according to the resource allocation result.
The present invention also provides a kind of master base stations, determining device including targeted slave base station as described above and/or logical T unit.
The present invention also provides a kind of determining devices of targeted slave base station, for the nothing including slave base stations and master base station Slave base stations in line communication network, the determining device include: third receiving module, for receiving the terminal of master base station transmission Signal listens to request;Module is listened to, listens to the specified wireless communication terminal of request to by described for listening to request according to The signal of transmission is listened to, and obtain the received signal quality for carrying the wireless communication terminal listens to report;Feed back mould Block, for listening to report by described and feeding back to the master base station so that the master base station contextual information and it is multiple from Belong to the received signal quality of the wireless communication terminal that base station is fed back respectively, determined from the multiple slave base stations one from Belong to base station as targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein the slave base stations be the master base station determine target from Belong to base station, the determining device further include: the 4th receiving module is built for receiving the radio resource allocation that the master base station provides View.
The determining device of above-mentioned targeted slave base station, wherein further include: the 5th sending module, for by the target from Belong to base station and the main base is sent to according to the information of radio resource allocation after radio resource allocation suggestion progress resource allocation It stands, so that when the master base station determines the targeted slave base station as targeted slave base station again, it can be according to the mesh The information of radio resource allocation for marking slave base stations provides radio resource allocation suggestion to the targeted slave base station.
The determining device of above-mentioned targeted slave base station, wherein the slave base stations be the master base station determine target from Belong to base station, it is described to listen to report further include: the upstream time lead of the wireless communication terminal is estimated and/or upstream frequency is inclined Difference estimation;The determining device further include: the 6th sending module, it will be according to the wireless communication terminal for passing through master base station The wireless communication terminal that the estimation of upstream time lead and/or upstream frequency estimation of deviation determine is to the targeted slave base The synchronizing information stood is sent to wireless communication terminal, so that the wireless communication terminal is according to the synchronizing information and the mesh Mark slave base stations synchronize.
The determining device of above-mentioned targeted slave base station, wherein it is that SRS listens to request that the terminal signaling, which listens to request,.
The present invention also provides a kind of communication devices, are used for a targeted slave base station, the targeted slave base station institute as above The determination method stated determines that the communication device includes: the 5th receiving module, and the radio resource for receiving master base station transmission is matched Set request;Second determining module, for being that wireless communication terminal carries out resource allocation according to radio-resource-configuration request;The Seven send step modules, for resource allocation result to be sent to master base station, so that the master base station is by the resource allocation knot Fruit is sent to wireless communication terminal, so that the wireless communication terminal realizes that data are transmitted according to the resource allocation result.
The present invention also provides a kind of slave base stations, determining device including targeted slave base station as described above and/or Communication device.
Slave base stations provided in an embodiment of the present invention (can include to demodulate to believe with road for a kind of data and channel associated signalling of only passing Number and aperiodic on-demand signal) Novel carrier wave, and cooperate master base station complete user access, be dispatched to data basestation, carry out The data of uplink and downlink are transmitted.Specifically, the feature refinement of slave base stations is described as follows:
(1) simple, low overhead is realized " data only ": only uplink and downlink data channel and channel associated signalling (comprising with Road demodulated signal and aperiodic on-demand signal);PDCCH (Physical without additional dedicated control channels, such as in LTE Downlink Control Channel, physical down common control channel), PUCCH (Physical Uplink Control Channel, physical uplink common control channel) and PRACH (Physical Random Access Channel, physics with Machine accesses channel).
(2) it removes traditional broadcast signaling signal: cancelling the exclusive synchronization signal of traditional cell: PSS/SSS (main synchronization/ Secondary synchronization signal);Cancel CRS (the exclusive reference symbol of cell);Cancel the exclusive broadcast message of cell in exclusive channel, packet Containing the MIB (master being carried on PBCH (Physical Broadcast Channel, Physical Broadcast Channel) Information block, host system message block).
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (26)

1. a kind of determination method of targeted slave base station, for the master in the cordless communication network including slave base stations and master base station Base station, which is characterized in that the determining method includes:
First sending step: multiple candidate slave base stations of Xiang Xuanding send terminal signaling and listen to request, so that the multiple Request is listened to according to respectively to by the signal listening to the specified wireless communication terminal of request and sending in candidate slave base station It is listened to, obtain the received signal quality for carrying the wireless communication terminal listens to report;
First receiving step: receive that the multiple candidate slave base station feeds back respectively listens to report;
First determines step: the wireless communication that contextual information and the multiple candidate slave base station are fed back respectively is whole The received signal quality at end selects a slave base stations as targeted slave base station from the multiple candidate slave base station;
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency deviation Estimation;
The determining method further include:
Second sending step: it obtains inclined according to the estimation of the upstream time lead of the wireless communication terminal and/or upstream frequency The determining wireless communication terminal of difference estimation is sent to the wireless communication eventually to the synchronizing information of the targeted slave base station End, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station;
There is provided step: Xiang Suoshu targeted slave base station provides radio resource allocation suggestion;
Obtaining step: the targeted slave base station is obtained according to wireless after radio resource allocation suggestion progress resource allocation Resource allocation information, so that when the master base station chooses the targeted slave base station again, it can be according to the targeted slave The information of radio resource allocation of base station provides radio resource allocation suggestion to the targeted slave base station.
2. determining method as described in claim 1, which is characterized in that before first sending step, further includes:
Judgment step: judge whether that needing to send terminal signaling listens to request;
First sending step further the judgment step judgement need to send terminal signaling listen to request when, Xiang Xuanding Multiple candidate slave base stations send terminal signaling listen to request.
3. determining method as claimed in claim 2, which is characterized in that when the signal that the wireless communication terminal is sent is non-holds When the signal that supervention is sent, first sending step further needs to send terminal signaling and listen in judgment step judgement is asked When asking, the wireless communication terminal of Xiang Zhiding sends signal and sends request, so that specified wireless communication terminal transmission can be detectd The signal listened.
4. determining method as claimed in claim 2, which is characterized in that show the subordinate base when getting from a slave base stations Stand the resource requirement for not being able to satisfy wireless communication terminal information or receive other master base stations transmission carry terminal signaling When listening to the switching request of request, the judgment step judgement needs to send terminal signaling and listens to request.
5. determining method as claimed in claim 4, which is characterized in that described to show that slave base stations are not able to satisfy wireless communication eventually The information of the resource requirement at end include: the slave base stations received signal strength lower than preset signal strength threshold value or it is described from The load for belonging to base station is higher than default resource load threshold value.
6. determining method as described in any one in claim 1-5, which is characterized in that the master base station is according to the wireless communication The direction of arrival information of terminal or the measurement report of the wireless communication terminal select multiple candidate slave base stations.
7. determining method as described in any one in claim 1-5, which is characterized in that the contextual information includes: on user The network context of the load condition of context information, the load condition including the multiple candidate slave base station and the master base station Information and business contexts information including service rate.
8. determining method as described in any one in claim 1-5, which is characterized in that the terminal signaling listens to request as measurement Reference signal SRS listens to request.
9. a kind of communication means, for a master base station, the master base station and by the described in any item determining methods of claim 1-8 Determining targeted slave base station is communicated, which is characterized in that the communication means includes:
Third sending step: Xiang Suoshu targeted slave base station sends radio-resource-configuration request, so that the targeted slave base Standing according to the configuring request is that wireless communication terminal carries out resource allocation;
Second receiving step: the resource allocation result that the targeted slave base station is sent is received;
4th sending step: being sent to wireless communication terminal for the resource allocation result, so that the wireless communication terminal Data transmission is realized according to the resource allocation result.
10. a kind of determination method of targeted slave base station, in the cordless communication network including slave base stations and master base station Slave base stations, which is characterized in that the determining method includes:
Third receiving step: it receives the terminal signaling that master base station is sent and listens to request;
It listens to step: listening to request to by the signal progress listening to the specified wireless communication terminal of request and sending according to described It listens to, obtain the received signal quality for carrying the wireless communication terminal listens to report;
Feedback step: listening to described report and feed back to the master base station so that the master base station contextual information and The received signal quality for the wireless communication terminal that multiple slave base stations are fed back respectively is determined from the multiple slave base stations One slave base stations is as targeted slave base station;
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency deviation Estimation enables the master base station according to the estimation of the upstream time lead of the wireless communication terminal and/or upstream frequency Estimation of deviation obtains the wireless communication terminal to the synchronizing information of the targeted slave base station, and is sent to the wireless communication Terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station;
4th receiving step: the radio resource allocation suggestion that the master base station provides is received;
5th sending step: the targeted slave base station is carried out to the nothing after resource allocation according to the radio resource allocation suggestion Line resource allocation information is sent to the master base station, so that the master base station determines the targeted slave base station as mesh again When marking slave base stations, it can be provided according to the information of radio resource allocation of the targeted slave base station to the targeted slave base station Radio resource allocation suggestion.
11. determining method as claimed in claim 10, which is characterized in that the terminal signaling is listened to request to listen to for SRS and be asked It asks.
12. a kind of communication means, it to be used for a targeted slave base station, the targeted slave base station according to claim 1 any one of -8 The determination method determines, which is characterized in that the communication means includes:
5th receiving step: the radio-resource-configuration request that master base station is sent is received;
Second determines step: being that wireless communication terminal carries out resource allocation according to radio-resource-configuration request;
7th sending step: being sent to master base station for resource allocation result, so that the master base station is by the resource allocation knot Fruit is sent to wireless communication terminal, and the wireless communication terminal realizes that data are transmitted according to the resource allocation result.
13. a kind of determining device of targeted slave base station, in the cordless communication network including slave base stations and master base station Master base station, which is characterized in that the determining device includes:
First sending module listens to request for sending terminal signaling to selected multiple candidate slave base stations, so that described Request is listened to according to and listens to what the specified wireless communication terminal of request was sent to by described respectively in multiple candidate slave base stations Signal is listened to, and obtain the received signal quality for carrying the wireless communication terminal listens to report;
First receiving module listens to report for receive that the multiple candidate slave base station feeds back respectively;
First determining module, the channel radio fed back respectively for contextual information and the multiple candidate slave base station The received signal quality for believing terminal, selects a slave base stations as targeted slave base from the multiple candidate slave base station It stands;
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency deviation Estimation;
The determining device further include:
Second sending module, for obtaining according to the estimation of the upstream time lead of the wireless communication terminal and/or upper line frequency Rate estimation of deviation determine the wireless communication terminal to the targeted slave base station synchronizing information and be sent to it is described wirelessly Communication terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station;
Module is provided, for providing radio resource allocation suggestion to the targeted slave base station;
Module is obtained, after obtaining the targeted slave base station according to radio resource allocation suggestion progress resource allocation Information of radio resource allocation, so that when the master base station chooses the targeted slave base station again, it can be according to the target The information of radio resource allocation of slave base stations provides radio resource allocation suggestion to the targeted slave base station.
14. determining device as claimed in claim 13, which is characterized in that further include:
Judgment module is for judging whether that needing to send terminal signaling listens to request;
First sending module is further used for when judgment module judgement needs to send terminal signaling and listens to request, to Selected multiple candidate slave base stations send terminal signaling and listen to request.
15. determining device as claimed in claim 14, which is characterized in that when the signal that the wireless communication terminal is sent is non- When the signal persistently sent, first sending module is further used for determining to need to send terminal signaling in the judgment module When listening to request, the wireless communication terminal of Xiang Zhiding sends signal and sends request, so that specified wireless communication terminal sends energy The signal being enough listened.
16. determining device as claimed in claim 14, which is characterized in that show the subordinate when getting from a slave base stations Base station, which is not able to satisfy the information of the resource requirement of wireless communication terminal or receives the terminal that carries that other master base stations are sent, believes When number listening to the switching request of request, the judgment module judgement needs to send terminal signaling and listens to request.
17. determining device as claimed in claim 16, which is characterized in that described to show that slave base stations are not able to satisfy wireless communication The information of the resource requirement of terminal includes: the received signal strength of the slave base stations lower than preset signal strength threshold value or described The load of slave base stations is higher than default resource load threshold value.
18. such as the described in any item determining devices of claim 13-16, which is characterized in that the master base station is according to described wireless The direction of arrival information of communication terminal or the measurement report of the wireless communication terminal select multiple candidate slave base stations.
19. such as the described in any item determining devices of claim 13-16, which is characterized in that the contextual information includes: user Above and below the network of the load condition of contextual information, the load condition including the multiple candidate slave base station and the master base station Literary information and business contexts information including service rate.
20. such as the described in any item determining devices of claim 13-16, which is characterized in that the terminal signaling listens to request and is SRS listens to request.
21. a kind of communication device, for a master base station, the master base station and by the described in any item determination sides claim 1-8 The targeted slave base station that method determines is communicated, which is characterized in that the communication device includes:
Third sending module, for the targeted slave base station send radio-resource-configuration request so that the target from Belonging to base station according to the configuring request is that wireless communication terminal carries out resource allocation;
Second receiving module, the resource allocation result sent for receiving the targeted slave base station;
4th sending module, for the resource allocation result to be sent to wireless communication terminal, so that the wireless communication Terminal realizes data transmission according to the resource allocation result.
22. a kind of master base station, which is characterized in that including such as described in any item devices of claim 13-21.
23. a kind of determining device of targeted slave base station, in the cordless communication network including slave base stations and master base station Slave base stations, which is characterized in that the determining device includes:
Third receiving module, the terminal signaling for receiving master base station transmission listen to request;
Module is listened to, for listening to request according to by the signal listening to the specified wireless communication terminal of request and sending It is listened to, obtain the received signal quality for carrying the wireless communication terminal listens to report;
Feedback module, for listening to report by described and feeding back to the master base station, so that based on context the master base station is believed The received signal quality for the wireless communication terminal that breath and multiple slave base stations are fed back respectively, from the multiple slave base stations Determine a slave base stations as targeted slave base station;
It is described to listen to report further include: the upstream time lead of the wireless communication terminal estimates and/or upstream frequency deviation Estimation enables the master base station according to the estimation of the upstream time lead of the wireless communication terminal and/or upstream frequency Estimation of deviation obtains the wireless communication terminal to the synchronizing information of the targeted slave base station, and is sent to the wireless communication Terminal, so that the wireless communication terminal is synchronized according to the synchronizing information and the targeted slave base station;
4th receiving module, the radio resource allocation suggestion provided for receiving the master base station;
5th sending module, after the targeted slave base station is carried out resource allocation according to the radio resource allocation suggestion Information of radio resource allocation be sent to the master base station so that the master base station determines that the targeted slave base station is made again It, can be according to the information of radio resource allocation of the targeted slave base station to the targeted slave base station when for targeted slave base station Radio resource allocation suggestion is provided.
24. determining device as claimed in claim 23, which is characterized in that the terminal signaling is listened to request to listen to for SRS and be asked It asks.
25. a kind of communication device, it to be used for a targeted slave base station, the targeted slave base station according to claim 1 any one of -8 The determination method determines, which is characterized in that the communication device includes:
5th receiving module, for receiving the radio-resource-configuration request of master base station transmission;
Second determining module, for being that wireless communication terminal carries out resource allocation according to radio-resource-configuration request;
7th sending module, for resource allocation result to be sent to master base station, so that the master base station divides the resource It is sent to wireless communication terminal with result, so that the wireless communication terminal realizes that data pass according to the resource allocation result It is defeated.
26. a kind of slave base stations, which is characterized in that including such as described in any item devices of claim 23-25.
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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
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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

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