CN103237322A - Method, device and system for measuring and sending interference coordination - Google Patents

Method, device and system for measuring and sending interference coordination Download PDF

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Publication number
CN103237322A
CN103237322A CN2013101824907A CN201310182490A CN103237322A CN 103237322 A CN103237322 A CN 103237322A CN 2013101824907 A CN2013101824907 A CN 2013101824907A CN 201310182490 A CN201310182490 A CN 201310182490A CN 103237322 A CN103237322 A CN 103237322A
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measurement
residential quarter
restricted
resource information
configuration information
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CN103237322B (en
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蔺波
柴丽
时洁
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention provides a method, a device and a system for measuring and sending interference coordination. The measuring method comprises the following steps: acquiring measurement configuration information and acquiring measurement resource information of restricted measurement; performing measurement to get a measurement result according to the measurement configuration information and the measurement resource information of the restricted measurement; and reporting the measurement result. The sending method comprises the following steps: when a base station covering an affected cell is subjected to interference of a base station covering an affecting cell, the base station covering the affected cell is used for sending a reinforced inter-cell interference coordination request to the base station covering the affecting cell; and the base station covering the affecting cell is used for deciding applied sub-frame configuration information of the reinforced inter-cell interference coordination between the base station covering the affected cell and the base station covering the affecting cell and sending the decided applied sub-frame configuration information to the base station covering the affected cell as the measurement resource information of the restricted measurement. According to the method, the device and the system disclosed by the invention, user equipment subjected to the interference can be measured accurately, and the measurement result can be reported as a switching basis.

Description

A kind of measurement for interference coordination, sending method and device and system
Technical field
The present invention relates to field of wireless communication, relate in particular to a kind of measurement for interference coordination, sending method and device and system.
Background technology
In order further to promote performance (comprising covering, residential quarter average throughput, cell edge throughput, up/the downstream spectrum utilance) demand of cordless communication network, in the geographic range of same covering, can dispose different transmission power, or the base station of different access styles, form the covering of isomery, multilayer.Such as with LTE(Long Term Evolution, Long Term Evolution) system is example, macro base station (as macro eNodeB) and low power base station are (as Home eNodeB, micro eNodeB, pico eNodeB, Relay eNodeB, access points such as RRH) heterogeneous network of Xing Chenging, cover in order to the hot spot region that strengthens in the macro base station coverage, indoor blind spot (or weakness) covers, the cell edge of macro base station covers, and lifting residential quarter average throughput, the cell edge throughput, up/downstream spectrum the utilance of residential quarter, reduce the CAPEX(Capital Expenditure of network cost and operator, generally refer to fund, the input of fixed assets) etc.
Along with network design becomes increasingly complex, interference also more comes also serious, and interference management techniques has been proposed higher challenge.Some low power base station probably not and grand network do not set up signaling interface, can't utilize ICIC(Inter-Cell Interference Coordination between the base station so, Inter-Cell Interference Coordination) technology comes interference coordination.In addition, the corresponding signaling of ICIC can be brought signaling traffic load to the interface between the base station.In the prior art, owing to there is not the technology of the measurement of limited resources, so, eNB(evolved Node B, evolved base station) send comprise the RRC(Radio Resource Control that measures configuration, radio resource control) reallocation message gives UE(User Equipment, subscriber equipment), measurement configuration in this message all is based on UE to measuring CRS(cell-specific reference signal in assessment cycle, the reference signal of cell-level) average; After UE receives this message, just in assessment cycle, take subframe to carry out the measurement of CRS according to certain cycle, and carry out reporting of unrestricted resource according to the rule in the configuration messages.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: if when UE is interfered, UE only carries out unrestriced measurement and (supposes the poor quality of measurement, simultaneously, except the residential quarter that is injured, do not have better residential quarter to select or operator wishes that UE is preferential and selects to be injured the residential quarter) and obtain described unrestriced measurement result and report, this moment is if UE is positioned at the residential quarter that is injured, the then UE switching that can there is no need, if perhaps UE only carries out the measurement of specific resources, then network can't disturb the work of cooperation; This moment, then UE can not have an opportunity to switch to if perhaps UE only carries out the measurement of specific resources, can make too many UE cut the residential quarter that is injured in the residential quarter that is injured, and stops up the residential quarter that is injured if UE is positioned at the infringement residential quarter.
Summary of the invention
The embodiment of the invention provides a kind of measurement for interference coordination, sending method and device and system, so that the subscriber equipment that is interfered can measure accurately, and measurement result is reported as switching foundation.
On the one hand, the embodiment of the invention provides a kind of method of measurement for interference coordination, and described method comprises: obtain measurement configuration information, and obtain the measurement resource information of restricted measurement; According to the measurement resource information of described measurement configuration information and described restricted measurement, measure and obtain measurement result; Report described measurement result.
On the other hand, the embodiment of the invention provides a kind of sending method for interference coordination, described method comprises: when covering is injured base station that the base station of residential quarter is subjected to covering the infringement residential quarter when disturbing, the be injured base station of residential quarter of described covering sends the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter; The base station of described covering infringement residential quarter is according to the Inter-Cell Interference Coordination request of described enhancing, the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that determines described covering to be injured to use between the base station of the base station of residential quarter and described covering infringement residential quarter, and the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing of described decision application sent to the be injured base station of residential quarter of described covering as the measurement resource information of restricted measurement.
Another aspect, the embodiment of the invention provide a kind of measurement mechanism for interference coordination, and described device comprises: acquiring unit is used for obtaining measurement configuration information, and obtains the measurement resource information of restricted measurement; Measuring unit is used for the measurement resource information according to described measurement configuration information and described restricted measurement, measures and obtains measurement result; Report the unit, be used for reporting described measurement result.
Again on the one hand, the embodiment of the invention provides a kind of transmitting system for interference coordination, described system comprises the base station that covers the residential quarter that is injured, the base station that covers the infringement residential quarter, when described covering is injured base station that the base station of residential quarter is subjected to described covering infringement residential quarter when disturbing, the be injured base station of residential quarter of described covering is used for sending the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter; The base station of described covering infringement residential quarter, be used for the Inter-Cell Interference Coordination request according to described enhancing, the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that determines described covering to be injured to use between the base station of the base station of residential quarter and described covering infringement residential quarter, and the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing of described decision application sent to the be injured base station of residential quarter of described covering as the measurement resource information of restricted measurement.
Technique scheme has following beneficial effect: obtain measurement configuration information because adopt, and obtain the measurement resource information of restricted measurement; According to the measurement resource information of described measurement configuration information and described restricted measurement, measure and obtain measurement result; Report the technological means of described measurement result, so reached the subscriber equipment that is interfered can be measured accurately, and measurement result is reported as the technique effect that switches foundation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of method of measurement flow chart for interference coordination of the embodiment of the invention;
Fig. 2 is a kind of sending method flow chart for interference coordination of the embodiment of the invention;
Fig. 3 is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram for the embodiment of the invention one;
Fig. 4 is embodiment of the invention infringement residential quarter and the mutual signalling diagram of local resource of being injured;
Fig. 5 is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram for the embodiment of the invention two;
Fig. 6 is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram for the embodiment of the invention three;
Fig. 7 is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram for the embodiment of the invention four;
Fig. 8 is positioned at the UE reporting measurement result's of infringement residential quarter Signalling exchange schematic diagram for the embodiment of the invention one;
Fig. 9 is positioned at the UE reporting measurement result's of infringement residential quarter Signalling exchange schematic diagram for the embodiment of the invention two;
Figure 10 is positioned at the UE reporting measurement result's of infringement residential quarter Signalling exchange schematic diagram for the embodiment of the invention three;
Figure 11 is positioned at the UE reporting measurement result's of infringement residential quarter Signalling exchange schematic diagram for the embodiment of the invention four;
Figure 12 is a kind of measurement mechanism structural representation for interference coordination of the embodiment of the invention;
Figure 13 is that a kind of transmitting system for interference coordination of the embodiment of the invention constitutes schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, be a kind of method of measurement flow chart for interference coordination of the embodiment of the invention, described method comprises:
101, obtain measurement configuration information, and obtain the measurement resource information of restricted measurement;
102, according to the measurement resource information of described measurement configuration information and described restricted measurement, measure and obtain measurement result;
103, report described measurement result.
Report described measurement result to give the base station of Serving cell (this paper refers to the base station that covers Serving cell), can comprise two kinds of situations: report the base station (this paper refers to the infringement residential quarter and is in the coverage of this base station) that covers the infringement residential quarter, report the base station (this paper refers to this residential quarter that is injured and is in the coverage of this base station) that covers the residential quarter that is injured.
Optionally, the described measurement resource information of obtaining restricted measurement can comprise: the measurement resource information of described restricted measurement limits the resource of measuring from time domain, frequency domain, spatial domain, sign indicating number territory latitude; The measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass, by broadcast, or obtains the measurement resource information of described restricted measurement by signaling.Optionally, the described measurement configuration information of obtaining comprises: measurement indication and the non-limiting measurement of the specific resources of the measurement resource information correspondence of the configuration information of non-limiting measurement and described restricted measurement indicate to carry out corresponding measurement type; The measurement indication of the specific resources of the measurement resource information correspondence of the configuration information of non-limiting measurement and described restricted measurement, or non-limiting measurement indicates to carry out corresponding measurement type; By broadcast, or obtain by signaling; Wherein, described measurement indication comprises startup, stops.Optionally, the described measurement configuration information of obtaining comprises: the configuration information of non-limiting measurement and described restricted measurement indication and non-limiting measurement indicate to carry out corresponding measurement type; The configuration information of non-limiting measurement and described restricted measurement indication, or non-limiting measurement indicates to carry out corresponding measurement type; By broadcast, or obtain by signaling; Wherein said measurement indication comprises startup, stops.Optionally, described measurement result is measured type with one and is identified or identify with a kind of event type.
Optionally, described by broadcast, or when obtaining the measurement resource information of restricted measurement by signaling, can also obtain an interference threshold value.Optionally, described measurement resource information according to described measurement configuration information and described restricted measurement is measured and is obtained measurement result; Report described measurement result, specifically comprise: carry out corresponding unrestriced measurement according to described measurement configuration information, obtain an interference value that characterizes interference level; The size of more described interference value and described interference threshold value: if described interference value is more than or equal to described interference threshold value, then subscriber equipment is according to described measurement configuration information, carry out corresponding unrestriced measurement, obtain unrestriced measurement result, and report described unrestriced measurement result to the base station of Serving cell; Described interference value is less than described interference threshold value else if, then subscriber equipment is according to the measurement resource information of described restricted measurement, start the measurement of specific resources of the measurement resource information correspondence of described restricted measurement, obtain and report the measurement result of described specific resources; Or when carrying out corresponding unrestriced measurement and obtain described unrestriced measurement result, carry out the measurement of specific resources of the measurement resource information correspondence of described restricted measurement and obtain the measurement result of described specific resources, and report the measurement result of described unrestricted measurement result and described specific resources to the base station of described Serving cell simultaneously; Or when carrying out corresponding unrestriced measurement and obtain described unrestriced measurement result, the measurement result of described specific resources is obtained in the measurement of specific resources of carrying out the measurement resource information correspondence of described restricted measurement, but only report the measurement result of described specific resources to the base station of described Serving cell, up to described interference value more than or equal to described interference threshold value; As long as UE receives the measurement resource information of restricted measurement from signaling, just begin to start restricted measurement, and continue non-limiting measurement simultaneously.
Optionally, the described measurement configuration information of obtaining, and obtain the measurement resource information of restricted measurement, comprising: the subscriber equipment that is positioned at the residential quarter that is injured obtains measurement configuration information from the be injured base station of residential quarter of covering, and obtains the measurement resource information of restricted measurement from the be injured base station of residential quarter of covering; Or the subscriber equipment that is positioned at the infringement residential quarter obtains measurement configuration information from the base station that covers the infringement residential quarter, and obtains the measurement resource information of restricted measurement from the base station that covers the infringement residential quarter, and is applied to the measurement to the adjacent residential quarter that is injured.
Optionally, after the described measurement result that reports is received in the base station of described covering infringement residential quarter, make according to described measurement result and to switch to the described covering judgement of base station of residential quarter of being injured, and indicate the be injured mode of the described subscriber equipment of scheduling of base station of residential quarter of described covering.Described scheduling mode indication process is to be initiated by the base station that covers the infringement residential quarter, the covering that the reports to target base station of residential quarter that is injured, the mode that is scheduled that this subscriber equipment is recommended.The covering of receiving this indication is injured the base station of residential quarter when formulating scheduling strategy for this subscriber equipment of incision, will consider this indication information; As, the base station indication constrained resources scheduling that covers the infringement residential quarter, the base station that covers the residential quarter that is injured is then considered this dispatching user facility of this incision on the used constrained resources of Inter-Cell Interference Coordination.The indication of described scheduling mode is to cover the base station of infringement residential quarter to switch to the be injured measurement result type of the used user equipment to report of the judgement of base station of residential quarter of described covering and determine according to making.Described scheduling mode indication can be independent signaling, also can be in being carried at the signaling of handoff procedure.
The above-mentioned a kind of method of measurement embodiment for interference coordination of the present invention can measure the subscriber equipment that is interfered accurately, and measurement result is reported as switching foundation.
Corresponding to above-mentioned method of measurement, as shown in Figure 2, be a kind of sending method flow chart for interference coordination of the embodiment of the invention, described method comprises:
201, be injured base station that the base station of residential quarter is subjected to covering the infringement residential quarter when disturbing when covering, the be injured base station of residential quarter of described covering sends the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter;
202, described covering is encroached on the base station of residential quarter according to the Inter-Cell Interference Coordination request of described enhancing, the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that determines described covering to be injured to use between the base station of the base station of residential quarter and described covering infringement residential quarter, and the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that described decision is used sends to the be injured base station of residential quarter of described covering as the configuration information that distributes specific resources, is used for the measurement resource information of configurable limit measurement by the be injured base station of residential quarter of covering.
Optionally, described covering is injured before the base station of residential quarter sends the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter, and described method can also comprise: the base station of described covering infringement residential quarter sends the subframe configuration information of the Inter-Cell Interference Coordination of available enhancing to the be injured base station of residential quarter of described covering.The base station of described covering infringement residential quarter is according to the Inter-Cell Interference Coordination request of described enhancing, the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that determines described covering to be injured to use between the base station of the base station of residential quarter and described covering infringement residential quarter, specifically can comprise: the base station of described covering infringement residential quarter according to the base station of described covering infringement residential quarter can with the subframe configuration information of Inter-Cell Interference Coordination of enhancing and the Inter-Cell Interference Coordination request of described enhancing in the subframe configuration information of Inter-Cell Interference Coordination of the enhancing of carrying, the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that determines described covering to be injured to use between the base station of the base station of residential quarter and described covering infringement residential quarter.The subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that described decision is used specifically can comprise the subframe configuration information of mourning in silence fully, and the subframe configuration information that part is mourned in silence is perhaps optionally dispatched the later UE of R10 version in these subframes.
Optionally, described covering is injured before the base station of residential quarter sends the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter, described method can also comprise: described covering is injured and is sent message between the base station of the base station of residential quarter and described covering infringement residential quarter, and whether indication the other side self supports the ability of the Inter-Cell Interference Coordination that strengthens.Support Inter-Cell Interference Coordination if cover the base station of infringement residential quarter, cover the base station of the residential quarter that is injured when detecting interference, initiate the Inter-Cell Interference Coordination request.
Optionally, described covering is injured behind the subframe configuration information of Inter-Cell Interference Coordination of the enhancing that described decision that the base station of residential quarter receives that the base station of described covering infringement residential quarter sends uses, and can send the subframe configuration information of the Inter-Cell Interference Coordination of confirming the enhancing used to the base station of described covering infringement residential quarter.Purpose is in order to make the use of Radio Resource keep synchronously, because under some particular cases, if cover the configuration information that the base station of infringement residential quarter sends, confiscate then the be injured base station of residential quarter of covering, if there is not this affirmation process, does not know the base station that can cause covering the infringement residential quarter, cover the base station of the residential quarter that is injured so and do not use because receiving the configuration of the base station that covers the infringement residential quarter, does not use because sent out configuration information the base station that covers the infringement residential quarter, confirm by this, can promote the lifting of wireless resource utility efficiency.
Optionally, be injured the measurement report of base station that the base station of residential quarter detects the described covering infringement residential quarter of user equipment to report when surpassing default thresholding when described covering, disturb the base station of confirming to be injured described covering the base station of residential quarter being subjected to described covering infringement residential quarter.Optionally, the base station of described covering infringement residential quarter sends to the be injured subframe configuration information of Inter-Cell Interference Coordination of the enhancing that the described decision of base station of residential quarter uses of described covering can also comprise entry-into-force time of a sub-frame configuration, this entry-into-force time is used for described subframe and coordinates in time to use between the base station of residential quarter is injured in the base station of described covering infringement residential quarter and described covering, such as when mode is mourned in silence in the base station employing that covers the infringement residential quarter, use the be injured base station of residential quarter of covering, the UE scheduling in described subframe.Optionally, the be injured base station of residential quarter of described covering sends in the Inter-Cell Interference Coordination request that strengthens to the base station of described covering infringement residential quarter, carries serious interference degree indication information.The indication of serious interference degree specifically can be high, medium and low.For interfered cell, according to the serious interference degree, can further adjust transmitting power or the adjustment sub-frame number of mourning in silence, during such as serious interference, can further reduce transmitting power, mourn in silence subframe or the more subframes of mourning in silence disturbed to reduce fully.
The above-mentioned a kind of sending method embodiment for interference coordination of the present invention can measure the UE that is interfered accurately, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured, the base-station node that covers the residential quarter that is injured is informed in carrying of can selecting in switching command, to use the enhancing scheduling mode (namely only dispatching in the resource for the resource correspondence of interference coordination of the base station that covers the infringement residential quarter) of eICIC to the scheduling of UE, or inform this judgement based on measurement result result from the measurement of constrained resources.
Below be elaborated for example:
As shown in Figure 3, for the embodiment of the invention one is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram, comprising:
301, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
302, the eNB of infringement residential quarter distributes the configuration information of specific resources alternately with the eNB of the residential quarter that is injured:
As shown in Figure 4, be the eNB of embodiment of the invention infringement residential quarter and the mutual signalling diagram of eNB resource of the residential quarter that is injured, comprise:
Configuration phase:
1: the eNB of infringement residential quarter is being used for TDM(Time Division Multiplex, time division multiplexing) subframe configuration information (being called the configuration of the available subframe) Inter-Cell Interference Coordination of eICIC(enhancing), when X2 interface foundation or eNB config update, send to the eNB of the residential quarter that is injured, indicate the eNB of the residential quarter that is injured on these subframes, the eNB of infringement residential quarter can mourn in silence, so that coordinates interference.In the present embodiment, this configuration is not to use immediately, but waits until step 2.
The startup stage:
1a: when the eNB of the residential quarter that is injured also was not interfered, the eNB of infringement residential quarter can continue to use corresponding sub-frame resources, did not mourn in silence, thereby promoted resource utilization.
2a: the eNB of the residential quarter that is injured obtains cell ID by the measurement report of UE, detects UE and is subjected to the descending interference of eNB from the infringement residential quarter, determines to initiate the eICIC process to the eNB of infringement residential quarter.
2: the eNB of the residential quarter that is injured initiates eICIC startup request message to the eNB of infringement residential quarter.In this message, the eNB that may further include the residential quarter that is injured determines the eICIC subframe configuration information of request.
The configuration information of the eICIC subframe of this request can be in the step 1, the grade indication of the percentage of the subclass of the configuration of the available subframe that the eNB of infringement residential quarter informs or the configuration of available subframe or request sub-frame resources quantity.Main purpose is be injured business demand, the Qos(Quality of Service of the quantity difference of UE, the UE that is injured of the eNB along with the residential quarter that is injured, service quality) quality requirement difference, the eNB of residential quarter of being injured can ask to use the resource of varying number, take resource thereby can either exceed, can have resource to use to disturbed UE again.
3.a: the eNB of infringement residential quarter determines to mourn in silence which subframe (being called the subframe of mourning in silence).Specifically can determine according to the loading condition of the eNB of the loading condition of the eNB of its other resources operating position, self residential quarter, the residential quarter that is injured, the eNB requested resource of the residential quarter that is injured.
3: the configuration information of eNB the subframe of mourning in silence that determines of infringement residential quarter is told the eNB to the residential quarter that is injured.Further, can comprise an entry-into-force time, namely indicate this subframe of mourning in silence to come into force in certain particular moment.This entry-into-force time can be synchronous to the relevant treatment maintenance of the subframe of mourning in silence for the eNB of the eNB of infringement residential quarter and the residential quarter that is injured.Entry-into-force time information specifically can number be represented with certain specific sub-frame.
4.a: the eNB of the residential quarter that is injured is the mourn in silence subframe position of the UE scheduling of being injured in correspondence.
The 4(optional step): the eNB of the residential quarter that is injured sends the eICIC startup for the eNB of infringement residential quarter and finishes message, and the eNB of infringement residential quarter knows that by this message the eNB of the residential quarter that is injured has accepted the sub-frame configuration of mourning in silence.The eNB of infringement residential quarter sends measurement control message to UE after receiving this message, when restriction UE measures the eNB signal of the adjacent residential quarter that is injured, only the subframe of mourning in silence is measured.When this step optional time, transmission is measured to control and is placed on after the step 3.a to UE.
The release stage:
5.a: the eNB of the residential quarter that is injured determines to there is no need to proceed eICIC, perhaps can discharge some subframes of mourning in silence.
5: the eNB of the residential quarter that is injured sends eICIC release request message for the eNB of infringement residential quarter.In this message, the eNB that may further include the residential quarter that is injured determines the subframe configuration information of release.Corresponding with step 2, this information that discharges subframe can be in the step 3, the grade indication of the percentage of the subclass of the sub-frame configuration of mourning in silence that the eNB of infringement residential quarter informs or the configuration of available subframe or request sub-frame resources quantity.Purpose is according to the eNB of residential quarter of being injured be injured business demand, the Qos quality requirement difference of the quantity difference of UE, the UE that is injured, the eNB of residential quarter of being injured uses the resource of varying number, take resource thereby can either exceed, can have resource to use to disturbed UE again.
6.a: which subframe of mourning in silence the eNB of infringement residential quarter determine to discharge, and d/d subframe means and can be used by the eNB of infringement residential quarter.Specifically can determine according to the loading condition of the eNB of the loading condition of the eNB of its other resources operating position, self residential quarter, the residential quarter that is injured, the eNB requested resource of the residential quarter that is injured.
6: the eNB of infringement residential quarter tells eNB to the residential quarter that is injured the configuration information of the subframe of mourning in silence that determine to discharge.Further, can comprise an entry-into-force time information, namely indicate the release of this subframe of mourning in silence to come into force in certain particular moment.This entry-into-force time can be synchronous to the relevant treatment maintenance of the subframe of mourning in silence for the eNB of the eNB of infringement residential quarter and the residential quarter that is injured.Entry-into-force time information specifically can number be represented with certain specific sub-frame.
7.a: the eNB of the residential quarter that is injured is the mourn in silence subframe position of the UE scheduling of being injured in correspondence.
The 7(optional step): the eNB of the residential quarter that is injured sends the eICIC Release complete for the eNB of infringement residential quarter.The eNB of residential quarter of being injured knows that by this message the eNB of infringement residential quarter has accepted to discharge the subframe of mourning in silence, thereby confirms the configuration of the subframe of mourning in silence that may be left.The eNB of infringement residential quarter sends measurement control message to UE after receiving this message, when restriction UE measures the eNB signal of the adjacent residential quarter that is injured, only the subframe of mourning in silence is measured.When this step optional time, transmission is measured to control and can be placed on after the step 6 to UE.
303, the be injured eNB of residential quarter issues UE with unrestriced measurement configuration information by configuration messages.
304, the measurement resource information of restricted measurement that the eNB of residential quarter will encroach on the eNB of residential quarter of being injured is issued UE by signaling.
After UE received above-mentioned message, the RLM(Radio Link Measurement Radio Link of UE was measured)/CSI(Channel Status Information channel condition information) measurement all carry out corresponding measurement according to the Resource Block of specific resources appointment; For RRM(radio Resource Management, RRM) measure (RSRP(reference signal received power Reference Signal Received Power)/RSRQ(reference signal received quality Reference Signal Received Quality)), UE only carries out corresponding restricted measurement according to the measurement resource information of restricted measurement or carries out measurement and existing unrestriced measurement according to the Resource Block of specific resources appointment.
305, the UE measurement reports:
The measurement result that UE only reports the Resource Block according to the specific resources appointment to carry out, measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or the UE measurement result and the unrestriced measurement result that report the Resource Block according to the specific resources appointment to carry out.
The embodiment of the invention makes the UE reporting measurement result of the eNB be positioned at the residential quarter that is injured, and measurement result is reported as switching foundation, after the base-station node that covers the infringement residential quarter is received the measurement report of UE, makes switching to the be injured judgement of base station of residential quarter of covering.
As shown in Figure 5, be positioned at UE reporting measurement result's the Signalling exchange schematic diagram of the eNB of the residential quarter that is injured for the embodiment of the invention two, comprise:
501, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
502, the eNB of infringement residential quarter distributes the configuration information of specific resources alternately with the eNB of the residential quarter that is injured.
See that specifically the step difference among Fig. 4 and the embodiment 1 is that the 5th eNB that goes on foot by the infringement residential quarter initiates in the dispose procedure, rather than the eNB of the residential quarter that is injured initiates; The 6th step, the eNB by the residential quarter that is injured initiated, rather than the eNB of infringement residential quarter initiates; The 7th step, the eNB by the infringement residential quarter initiated, rather than the eNB of the residential quarter that is injured initiates:
5: the eNB of infringement residential quarter initiates eICIC and discharges request.Specifically can be by the uplink interference of detection from the UE that is injured, thereby know that the UE that whether is injured exists.If uplink interference is lower than a default thresholding, the eNB of infringement residential quarter thinks that can initiate eICIC discharges request. in this message, the subframe configuration information of mourning in silence of mourn in silence subframe configuration information or the new suggestion that may further include that suggestion discharges is so that the eNB of the residential quarter that is injured knows.
The 6(optional step): the eNB of the residential quarter that is injured sends eICIC release affirmation for the eNB of infringement residential quarter.Which which further the sub-frame configuration of mourning in silence of the suggestion of 2-5 in the step is confirmed, such as whether accepting or accept subframe or refuse subframe.
The 7(optional step): the eNB of infringement residential quarter sends the eICIC Release complete for the eNB of the residential quarter that is injured.The eNB of residential quarter knows to finish and has discharged which subframe in order to be injured.
503, the be injured configuration information of the specific resources that the eNB of residential quarter will distribute according to the eNB of infringement residential quarter or the measurement resource information that its subclass is come the configurable limit measurement issued UE in broadcast.
504, the be injured eNB of residential quarter issues UE with unrestriced measurement configuration information.
505, the be injured eNB of residential quarter will issue the UE measurement configuration information by signaling, carry restricted measurement and start/stop indication and non-limiting measurement and start/stop and indicating to carry out corresponding measurement type; Or carry restricted measurement and start/stop indication, or non-limiting measurement starts/stops and indicating to carry out corresponding measurement type; Default conditions, UE only carry out the measurement of unrestricted measurement type;
For the UE that needs carry out the measurement that the Resource Block of specific resources appointment carries out, the eNB of the residential quarter that is injured carries out restricted measurement by signaling indication UE again.
Substitute 505, according to measurement configuration information, whether the lining gets access to the type indication of measurement, unrestricted measurement/restriction measurement all surveys the configuration report type for/two kinds, meastype ENUMERATED{specificmeas, regularmeas ..., both}; Default conditions only carry out the measurement of unrestricted measurement type;
As, if this UE receives that signaling indication type is " all surveying for two kinds ",
Then carry out measurement and unrestriced measurement according to the Resource Block of specific resources appointment; If UE has been configured to limit the measurement of measuring type, the measurement of the RLM/CSI of UE is only carried out restricted measurement and is carried out corresponding measurement.
506, UE reporting measurement result:
The measurement result that UE only reports the Resource Block according to the specific resources appointment to carry out, measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or the UE measurement result and the unrestriced measurement result that report the Resource Block according to the specific resources appointment to carry out.
The feasible particular UE that is positioned at the eNB of the residential quarter that is injured of the embodiment of the invention receives that starting the indication back measures also reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
As shown in Figure 6, for the embodiment of the invention three is positioned at the UE reporting measurement result's of the residential quarter that is injured Signalling exchange schematic diagram, comprising:
601, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
602, the eNB of infringement residential quarter distributes the configuration information of specific resources alternately with the eNB of the residential quarter that is injured.
See that specifically the step difference among Fig. 4 and the embodiment 1 is that difference is step 1, step 4, step 6, and step 1, step 6 there are modification:
1,6: subframe configuration information (calling the configuration of available subframe) eNB Inter-Cell Interference Coordination that is used for the eICIC(enhancing of infringement residential quarter), set up process or eNB config update process by X2 interface, send to the eNB of the residential quarter that is injured, indicate the eNB of the residential quarter that is injured on these subframes, the eNB of infringement residential quarter mourns in silence.After the eNB of residential quarter of being injured receives this message, the UE scheduling in the subframe position of mourning in silence.
Receive the subframe configuration information of the eICIC (Inter-Cell Interference Coordination of enhancing) of the eNB that this encroaches on the residential quarter if be injured before the eNB of residential quarter, then ignored former configuration, used up-to-date configuration.So this process of initiating the eNB of infringement residential quarter can realize the startup of eICIC or discharge (being release when being configured to sky).
4: the eNB of the residential quarter that is injured sends the sub-frame configuration confirmation of eICIC (Inter-Cell Interference Coordination of enhancing) for the eNB of infringement residential quarter.So that the eNB of infringement residential quarter knows that the eNB of the residential quarter that is injured will enable eICIC in these subframes.
603, the be injured configuration information of the specific resources that the eNB of residential quarter will distribute according to the eNB of infringement residential quarter or the measurement resource information that its subclass is come the configurable limit measurement issued UE in broadcast, and in broadcast, the thresholding of an interference of broadcasting is as RSRQ-threshold.
604, the be injured eNB of residential quarter issues UE with unrestriced measurement configuration information.
When UE reads broadcast, keep this restriction resource distribution and this interference threshold value in the UE variable, if having renewal in being somebody's turn to do in the follow-up system message, upgrade again; UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas:
If the value RSRQ-meas that measures is more than or equal to RSRQ-threshold, then the user still does unrestriced measurement.
If the value RSRQ-meas that measures is less than RSRQ-threshold, then: the measurement of the RLM/CSI of UE is all carried out corresponding measurement according to the Resource Block of specific resources appointment; For RRM measure (as, RSRP/RSRQ), UE only carries out corresponding measurement according to the Resource Block of specific resources appointment or carries out measurement and unrestriced measurement according to the Resource Block of specific resources appointment.
605, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out; Measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
Substitute 605 step 605 ': UE reporting measurement result: UE carries out unrestriced measurement always, as the value RSRQ-meas that measures during less than RSRQ-threshold, UE carries out according to the measurement of the Resource Block of specific resources appointment and two kinds of measurements of unrestriced measurement; When the value RSRQ-meas that measures is less than RSRQ-threshold, the measurement result that UE only reports the Resource Block according to the specific resources appointment to obtain; When the value RSRQ-meas that measures was more than or equal to RSRQ-threshold, UE only reported the measurement result that measures according to unrestriced, and measurement result can be measured type with one and identify.
The feasible UE that is positioned at the eNB of the residential quarter that is injured of the embodiment of the invention utilizes the interference threshold value to measure and the reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
As shown in Figure 7, be positioned at UE reporting measurement result's the Signalling exchange schematic diagram of the eNB of the residential quarter that is injured for the embodiment of the invention four, comprise:
701, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
702, the eNB of infringement residential quarter sends the configuration information that distributes specific resources for the eNB of the residential quarter that is injured;
703, be injured that the eNB of residential quarter will encroach on the configuration information of the specific resources that the eNB according to the infringement residential quarter of the eNB of residential quarter distributes or the measurement resource information that its subclass is come the configurable limit measurement is issued UE in broadcast.
704, the be injured eNB of residential quarter issues UE with unrestriced measurement configuration information.
When UE reads broadcast, keep above-mentioned restriction resource distribution and in the UE variable, if in the follow-up system message should in have renewal, upgrade again.
705, UE receives the thresholding that carries an interference that the eNB node of the residential quarter that is injured sends, as the signaling of RSRQ-threshold.
UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas:
If the value RSRQ-meas that measures is more than or equal to RSRQ-threshold, then the user still does unrestriced measurement;
If the value RSRQ-meas that measures is less than RSRQ-threshold, then: the measurement of the RLM/CSI of UE is all carried out corresponding measurement according to the Resource Block of specific resources appointment; For RRM measure (as, RSRP/RSRQ), UE only carries out corresponding measurement according to the Resource Block of specific resources appointment or carries out measurement and unrestriced measurement according to the Resource Block of specific resources appointment.
706, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out, and measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
The feasible particular UE that is positioned at the eNB of the residential quarter that is injured of the embodiment of the invention utilizes the interference threshold value to measure and the reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
As shown in Figure 8, for the embodiment of the invention one is positioned at UE reporting measurement result's the Signalling exchange schematic diagram of infringement residential quarter, comprising:
801, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
802, the eNB of infringement residential quarter issues UE with unrestriced measurement configuration information.
803, the eNB of infringement residential quarter issues UE with the configuration information of the distribution specific resources of the eNB of this residential quarter by signaling: network can carry out unrestriced measurement according to UE, the value of the sign interference level that obtains determines whether sending to signaling as RSRQ-meas and gives to user UE.
After UE received above-mentioned message, the measurement of the RLM/CSI of UE was all carried out corresponding measurement according to the Resource Block of specific resources appointment; Measure (RSRP/RSRQ) for RRM, UE only carries out corresponding measurement according to the Resource Block of specific resources appointment or carries out measurement and unrestriced measurement according to the Resource Block of specific resources appointment.
804, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out, and measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
The embodiment of the invention makes the UE reporting measurement result of the eNB be positioned at the infringement residential quarter, and measurement result is reported as switching foundation, after the base-station node that covers the infringement residential quarter is received the measurement report of UE, makes switching to the be injured judgement of base station of residential quarter of covering.
As shown in Figure 9, for the embodiment of the invention two is positioned at UE reporting measurement result's the Signalling exchange schematic diagram of infringement residential quarter, comprising:
901, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
902, the configuration information of distribution specific resources that will encroach on the eNB of residential quarter is issued UE in broadcast.
903, the eNB of infringement residential quarter issues UE with unrestriced measurement configuration information.
904, carry out the UE of the measurement that the Resource Block of specific resources appointment carries out for needs, the eNB of infringement residential quarter issues the UE measurement configuration information by signaling again, carrying restricted measurement starts/stops indication and non-limiting measurement and start/stop and indicating to carry out corresponding measurement type; Or carry restricted measurement and start/stop indication, or non-limiting measurement starts/stops and indicating to carry out corresponding measurement type; Default conditions, UE only carry out the measurement of unrestricted measurement type; The eNB network of infringement residential quarter can carry out unrestriced measurement according to UE, and the value of the sign interference level that obtains determines whether sending to signaling as RSRQ-meas and gives to user UE.
Substitute 904, according to measurement configuration information, whether the lining gets access to the type indication of measurement, unrestricted measurement/restriction measurement all surveys the configuration report type for/two kinds, meastype ENUMERATED{specificmeas, regularmeas ..., both}; Default conditions only carry out the measurement of unrestricted measurement type;
As, if this UE receives that signaling indication type is " all surveying for two kinds ",
Then carry out measurement and unrestriced measurement according to the Resource Block of specific resources appointment; If UE has been configured to limit the measurement of measuring type, the measurement of the RLM/CSI of UE is only carried out restricted measurement and is carried out corresponding measurement.
905, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out, and measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
The embodiment of the invention make the eNB be positioned at the infringement residential quarter a particular UE receive that starting the indication back measures and the reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
As shown in figure 10, for the embodiment of the invention three is positioned at UE reporting measurement result's the Signalling exchange schematic diagram of infringement residential quarter, comprising:
1001, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
1002, the measurement resource information of restricted measurement that will encroach on the eNB of residential quarter is issued UE in broadcast, and in broadcast, the thresholding of an interference of broadcasting is as RSRQ-threshold.
The eNB network of infringement residential quarter can carry out unrestriced measurement according to UE, and the value of the sign interference level that obtains determines whether sending to signaling as RSRQ-meas and gives to user UE.
1003, the eNB of infringement residential quarter issues UE with unrestriced measurement configuration information.
When UE reads above-mentioned message, keep this restriction resource distribution and this interference threshold value in the UE variable, if in the follow-up system message should in have renewal, upgrade again; UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas:
If the value RSRQ-meas that measures is more than or equal to RSRQ-threshold, then the user still does unrestriced measurement; If the value RSRQ-meas that measures is less than RSRQ-threshold, then: the measurement of the RLM/CSI of UE is all carried out corresponding measurement according to the Resource Block of specific resources appointment; For RRM measure (as, RSRP/RSRQ), UE only carries out corresponding measurement according to the Resource Block of specific resources appointment or carries out measurement and unrestriced measurement according to the Resource Block of specific resources appointment.
1004, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out, and measurement result can be measured type with one and identify; Or identify with a kind of new event type according to the measurement of the Resource Block of specific resources appointment; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
The embodiment of the invention makes the UE that is positioned at the eNB that encroaches on the residential quarter utilize the interference threshold value to measure and the reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
As shown in figure 11, for the embodiment of the invention four is positioned at UE reporting measurement result's the Signalling exchange schematic diagram of infringement residential quarter, comprising:
1101, the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.
1102, the measurement resource information of restricted measurement that will encroach on the eNB of residential quarter is issued UE in broadcast.
1003, the eNB of infringement residential quarter issues UE with unrestriced measurement configuration information.
1104, the eNB of infringement residential quarter is in signaling, to the thresholding of an interference of UE transmission, as RSRQ-threshold;
The eNB network of infringement residential quarter can carry out unrestriced measurement according to UE, and the value of the sign interference level that obtains determines whether sending to signaling as RSRQ-meas and gives to user UE, and the interference of different UE can be different.
When UE reads above-mentioned message, keep this restriction resource distribution and in the UE variable, if in the follow-up system message should in have renewal, upgrade again; If UE receives the thresholding that carries an interference that the eNB node of the residential quarter that is injured sends, as the signaling of RSRQ-threshold; UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas:
If the value RSRQ-meas that measures is more than or equal to RSRQ-threshold, then the user still does unrestriced measurement;
If the value RSRQ-meas that measures is less than RSRQ-threshold, then the measurement of the RLM/CSI of UE is all carried out corresponding measurement according to the Resource Block of specific resources appointment; For RRM measure (as, RSRP/RSRQ), UE only carries out corresponding measurement according to the Resource Block of specific resources appointment or carries out measurement and unrestriced measurement according to the Resource Block of specific resources appointment.
1105, UE reporting measurement result:
UE only reports the result of the measurement that the Resource Block according to the specific resources appointment carries out, and measurement result can be measured that type identifies or identifies with a kind of new event type according to the measurement of the Resource Block of specific resources appointment with one; Or UE reports result and the unrestriced measurement result of the measurement that the Resource Block according to the specific resources appointment carries out.
The embodiment of the invention makes a particular UE that is positioned at the eNB that encroaches on the residential quarter utilize the interference threshold value to measure and the reporting measurement result, and measurement result reported as switching foundation, after the base-station node of covering infringement residential quarter is received the measurement report of UE, make the judgement that switches to the base station that covers the residential quarter that is injured.
The embodiment of the invention also provides an eNB who is positioned at the residential quarter of the UE that encroaches on the residential quarter to select flow process, comprising: the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.The measurement resource information of restricted measurement of the eNB of infringement residential quarter is issued UE in broadcast, and in broadcast, the thresholding of an interference of broadcasting is as RSRQ-threshold.The eNB network of infringement residential quarter can carry out unrestriced measurement according to UE, and the value of the sign interference level that obtains is as RSRQ-meas.The eNB of infringement residential quarter issues UE with unrestriced measurement configuration information.When UE reads broadcast, keep the measurement resource information of this restricted measurement and this interference threshold value in the UE variable, if in the follow-up system message should in have renewal, upgrade again; UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas, if the value RSRQ-meas that measures more than or equal to RSRQ-threshold, then the user still does unrestriced measurement; If the value RSRQ-meas that measures is less than RSRQ-threshold, then the measurement of the RSRQ of UE is carried out corresponding measurement according to the Resource Block of specific resources appointment; UE is in the process of the eNB gravity treatment of carrying out the residential quarter, and the result of the measurement that the Resource Block of specific resources appointment is carried out reports rrc layer, carries out the assessment of the eNB selection criterion of residential quarter.
The embodiment of the invention also provides an eNB of residential quarter that is positioned at the UE of the residential quarter that is injured to select flow process, and comprising: the eNB of infringement residential quarter decides the distribution of specific resources according to the specific resources allocation algorithm.The eNB of infringement residential quarter and the eNB of residential quarter of being injured distribute the configuration information of specific resources alternately: the eNB of the residential quarter that is injured will encroach on the configuration information of distribution specific resources of the eNB of residential quarter and issue UE as the measurement resource information of restricted measurement in broadcast, and in broadcast, the thresholding of an interference of broadcasting is as RSRQ-threshold.UE carries out unrestriced measurement, and the value of the sign interference level that obtains is as RSRQ-meas.When UE reads broadcast, keep the measurement resource information of this restricted measurement and this interference threshold value in the UE variable, if in the follow-up system message should in have renewal, upgrade again; UE carries out unrestriced measurement, the value of the sign interference level that obtains, as RSRQ-meas, if the value RSRQ-meas that measures more than or equal to RSRQ-threshold, then the user still does unrestriced measurement; If the value RSRQ-meas that measures is less than RSRQ-threshold, then the measurement of the RSRQ of UE is carried out corresponding measurement according to the Resource Block of specific resources appointment; UE is in the process of the eNB gravity treatment of carrying out the residential quarter, and the result of the measurement that the Resource Block of specific resources appointment is carried out reports rrc layer, carries out the assessment of the eNB selection criterion of residential quarter.The eNB selection criterion of residential quarter: UE obtains restricted measurement in system message measurement resource information can be the used resource of Inter-Cell Interference Coordination or its subclass and an interference threshold value, as a RSRQ value.Default conditions, UE only carry out the measurement of unrestricted measurement type; One interference value of the sign interference level that obtains according to unrestriced measurement; The size of more described interference value and described interference threshold value: if described interference value more than or equal to described interference threshold value, then subscriber equipment is according to described measurement configuration information, carries out corresponding unrestriced measurement; Described interference value is less than described interference threshold value else if, and then subscriber equipment starts restricted measurement according to the configuration information of described distribution specific resources; Or: if described interference value is less than described interference threshold value, then subscriber equipment is according to the configuration information of described distribution specific resources, start restricted measurement, and continue non-limiting measurement simultaneously, up to the resulting interference value of unrestricted measurement more than or equal to described interference threshold value.
The UE that is interfered can be measured accurately, and measurement result reported as switching foundation, after the eNB node of infringement residential quarter is received the measurement report of UE, make the judgement of the eNB that switches to the residential quarter that is injured, that can select in switching command carries the eNB node of informing the residential quarter that is injured, to use the enhancing scheduling mode (namely only dispatching in the resource for the resource correspondence of interference coordination of the eNB of infringement residential quarter) of eICIC to the scheduling of UE, or inform this judgement based on measurement result result from the measurement of constrained resources.This technology has solved following technical problem: if when UE is interfered, UE only carries out unrestriced measurement and (supposes the poor quality of measurement, simultaneously, except the eNB of the residential quarter that is injured, do not have the eNB of better residential quarter to select or operator wishes the eNB of the preferential residential quarter of selecting to be injured of UE) and obtain described unrestriced measurement result and report, this moment is if UE is positioned at the eNB of the residential quarter that is injured, the then UE switching that can there is no need, if perhaps UE only carries out the measurement of specific resources, then network can't disturb the work of cooperation; This moment, then UE can not have an opportunity to switch to the eNB of the residential quarter that is injured if UE is positioned at the eNB of infringement residential quarter, if perhaps UE only carries out the measurement of specific resources, can make too many UE cut the eNB of the residential quarter that is injured, and stopped up the eNB of the residential quarter that is injured.
Corresponding to said method embodiment, as shown in figure 12, be a kind of measurement mechanism structural representation for interference coordination of the embodiment of the invention, described device comprises:
Acquiring unit 121 is used for obtaining measurement configuration information, and obtains the measurement resource information of restricted measurement;
Measuring unit 122 is used for the measurement resource information according to described measurement configuration information and described restricted measurement, measures and obtains measurement result;
Report unit 123, be used for reporting described measurement result.
Optionally, described acquiring unit 121, concrete measurement resource information for the restricted measurement of obtaining comprises: the measurement resource information of described restricted measurement limits the resource of measuring from time domain, frequency domain, spatial domain, a sign indicating number territory latitude; The measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass, by broadcast, or obtains the measurement resource information of described restricted measurement by signaling.Described acquiring unit 121, concrete for the measurement configuration information of obtaining, comprise: measurement indication and the non-limiting measurement of the specific resources of the measurement resource information correspondence of the configuration information of non-limiting measurement and described restricted measurement indicate to carry out corresponding measurement type; The measurement indication of the specific resources of the measurement resource information correspondence of the configuration information of non-limiting measurement and described restricted measurement, or non-limiting measurement indicates to carry out corresponding measurement type; By broadcast, or obtain by signaling; Wherein, described measurement indication comprises startup, stops.Described acquiring unit 121, concrete for the measurement configuration information of obtaining, comprising: the configuration information of non-limiting measurement and described restricted measurement indication and non-limiting measurement indicate to carry out corresponding measurement type; The configuration information of non-limiting measurement and described restricted measurement indication, or non-limiting measurement indicates to carry out corresponding measurement type; By broadcast, or obtain by signaling; Wherein said measurement indication comprises startup, stops.The described measurement result that described measuring unit 122 obtains is measured type with one and is identified or identify with a kind of event type.
Optionally, described acquiring unit 121 when obtaining the measurement resource information of restricted measurement specifically by broadcast, or by signaling, also obtains an interference threshold value.Optionally, described measuring unit 122, concrete being used for carried out corresponding unrestriced measurement according to described measurement configuration information, obtain an interference value that characterizes interference level, and the size of more described interference value and described interference threshold value: if described interference value is more than or equal to described interference threshold value, then described measuring unit 122 is according to described measurement configuration information, carry out corresponding unrestriced measurement, obtain unrestriced measurement result, and report described unrestriced measurement result to the base station of Serving cell; Described interference value is less than described interference threshold value else if, then described measuring unit 122 is according to the measurement resource information of described restricted measurement, start the measurement of specific resources of the measurement resource information correspondence of described restricted measurement, obtain and by the described measurement result that reports unit 123 to report described specific resources; Or described measuring unit 122 is when carrying out corresponding unrestriced measurement and obtain described unrestriced measurement result, the measurement result of described specific resources is obtained in the measurement of specific resources of carrying out the measurement resource information correspondence of described restricted measurement, and by the described measurement result that reports unit 123 to report described unrestricted measurement result and described specific resources simultaneously to the base station of described Serving cell; Or described measuring unit 122 is when carrying out corresponding unrestriced measurement and obtain described unrestriced measurement result, the measurement result of described specific resources is obtained in the measurement of specific resources of carrying out the measurement resource information correspondence of described restricted measurement, but by the described measurement result that reports 123 base stations to described Serving cell, unit to report described specific resources, up to described interference value more than or equal to described interference threshold value; As long as UE receives the measurement resource information of restricted measurement from signaling, just begin to start restricted measurement, and continue non-limiting measurement simultaneously.
Optionally, described acquiring unit 121, the concrete subscriber equipment that is used for by being positioned at the residential quarter that is injured obtains measurement configuration information from the be injured base station of residential quarter of covering, and obtains the measurement resource information of restricted measurement from the be injured base station of residential quarter of covering; Or the subscriber equipment that is positioned at the infringement residential quarter obtains measurement configuration information from the base station that covers the infringement residential quarter, and obtains the measurement resource information of restricted measurement from the base station that covers the infringement residential quarter, and is applied to the measurement to the adjacent residential quarter that is injured.Optionally, the base station of described covering infringement residential quarter receive described report the described measurement result that unit 123 reports after, make according to described measurement result and to switch to the described covering judgement of base station of residential quarter of being injured, and indicate the be injured mode of the described subscriber equipment of scheduling of base station of residential quarter of described covering.
The UE that is interfered can be measured accurately, and measurement result reported as switching foundation, after the eNB node of infringement residential quarter is received the measurement report of UE, make the judgement of the eNB that switches to the residential quarter that is injured, that can select in switching command carries the eNB node of informing the residential quarter that is injured, to use the enhancing scheduling mode (namely only dispatching in the resource for the resource correspondence of interference coordination of the eNB of infringement residential quarter) of eICIC to the scheduling of UE, or inform this judgement based on measurement result result from the measurement of constrained resources.
Corresponding to said method and device embodiment, as shown in figure 13, for a kind of transmitting system for interference coordination of the embodiment of the invention constitutes schematic diagram, described system comprises the eNB10 of the residential quarter that is injured, the eNB11 of infringement residential quarter, when the eNB10 of the described residential quarter that is injured is subjected to the eNB11 interference of described infringement residential quarter, the eNB10 of the described residential quarter that is injured is used for sending the Inter-Cell Interference Coordination request that strengthens to the eNB11 of described infringement residential quarter; The eNB11 of described infringement residential quarter, be used for the Inter-Cell Interference Coordination request according to described enhancing, determine the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing of using between the eNB11 of the eNB10 of the described residential quarter that is injured and described infringement residential quarter, and the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing that described decision is used sends to the eNB10 of the described residential quarter that is injured as the measurement resource information of restricted measurement.
Optionally, the eNB10 of the described residential quarter that is injured, before being used for sending the Inter-Cell Interference Coordination request that strengthens to the eNB11 of described infringement residential quarter, the eNB11 of described infringement residential quarter can send the subframe configuration information of the Inter-Cell Interference Coordination of available enhancing to the eNB10 of the described residential quarter that is injured.The eNB11 of described infringement residential quarter, specifically can be used for according to the eNB11 of described infringement residential quarter can with the subframe configuration information of Inter-Cell Interference Coordination of enhancing and the subframe configuration information of the Inter-Cell Interference Coordination of the Inter-Cell Interference Coordination request of the described enhancing enhancing of carrying, determine the subframe configuration information of the Inter-Cell Interference Coordination of the enhancing of using between the eNB11 of the eNB10 of the described residential quarter that is injured and described infringement residential quarter.
Optionally, the eNB10 of the described residential quarter that is injured, specifically can send for the eNB11 to described infringement residential quarter before the Inter-Cell Interference Coordination request that strengthens, send message between the eNB11 of the eNB10 of the described residential quarter that is injured and described infringement residential quarter, whether indication the other side self supports the ability of the Inter-Cell Interference Coordination that strengthens.The eNB10 of the described residential quarter that is injured, after specifically can being used for receiving the subframe configuration information of Inter-Cell Interference Coordination of the enhancing that described decision that the eNB11 of described infringement residential quarter sends is used, send the subframe configuration information of the Inter-Cell Interference Coordination of confirming the enhancing used to the eNB11 of described infringement residential quarter.Purpose is in order to make the use of Radio Resource keep synchronously, if because the configuration information that the eNB of infringement residential quarter sends, the eNB of residential quarter of being injured confiscates then, does not have this affirmation process and causes the eNB that encroaches on the residential quarter not know, has then brought the significant wastage of Radio Resource.
When the measurement report of eNB11 that detects the described infringement residential quarter of user equipment to report as the eNB10 of the described residential quarter that is injured surpassed default thresholding, the eNB11 that the eNB10 that specifically can be used for confirming the described residential quarter that is injured be subjected to described infringement residential quarter disturbed.The subframe configuration information that the eNB11 of described infringement residential quarter sends to the Inter-Cell Interference Coordination of the enhancing that the described decision of the eNB10 of the described residential quarter that is injured uses can also comprise the entry-into-force time of a sub-frame configuration.The eNB10 of the described residential quarter that is injured specifically can be used for sending the Inter-Cell Interference Coordination request that strengthens to the eNB11 of described infringement residential quarter, carries the indication of serious interference degree.The indication of serious interference degree specifically can be high, medium and low.For the eNB of interfered cell, according to the serious interference degree, can further reduce transmitting power or the subframe of mourning in silence fully reduce to disturb.
The UE that is interfered can be measured accurately, and measurement result reported as switching foundation, after the eNB node of infringement residential quarter is received the measurement report of UE, make the judgement of the eNB that switches to the residential quarter that is injured, that can select in switching command carries the eNB node of informing the residential quarter that is injured, to use the enhancing scheduling mode (namely only dispatching in the resource for the resource correspondence of interference coordination of the eNB of infringement residential quarter) of eICIC to the scheduling of UE, or inform this judgement based on measurement result result from the measurement of constrained resources.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to instruct related hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise above-mentioned all or part of step, described storage medium, as: ROM/RAM, disk, CD etc.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (24)

1. method of measurement that is used for interference coordination is characterized in that described method comprises:
Obtain measurement configuration information, and obtain the measurement resource information of restricted measurement;
According to the measurement resource information of described measurement configuration information and described restricted measurement, measure and obtain measurement result;
Report described measurement result.
2. method according to claim 1 is characterized in that,
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited.
3. method as claimed in claim 1 or 2 is characterized in that the measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
4. as method as described in the arbitrary claim of claim 1-3, it is characterized in that,
By broadcast, or obtain the measurement resource information of described restricted measurement by signaling.
5. as the described method of the arbitrary claim of claim 1-4, it is characterized in that, the described measurement configuration information of obtaining, and obtain the measurement resource information of restricted measurement, comprising:
The subscriber equipment that is positioned at the residential quarter that is injured obtains measurement configuration information from the be injured base station of residential quarter of covering, and obtains the measurement resource information of restricted measurement from the be injured base station of residential quarter of covering.
6. method of measurement that is used for interference coordination is characterized in that described method comprises:
Obtain measurement configuration information, and by broadcast or obtain the measurement resource information of restricted measurement by signaling;
According to the measurement resource information of described measurement configuration information and described restricted measurement, measure and obtain measurement result;
Report described measurement result;
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited, and the measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
7. method of measurement that is used for interference coordination is characterized in that described method comprises:
Send measurement configuration information to subscriber equipment, and send the measurement resource information of restricted measurement, so that measurement result is measured and obtained to described subscriber equipment according to the measurement resource information of described measurement configuration information and described restricted measurement;
Receive the described measurement result that described subscriber equipment sends.
8. as the described method of claim 7 claim, it is characterized in that,
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited.
9. as the described method of the arbitrary claim of claim 7-8, it is characterized in that,
The measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
10. as the described method of the arbitrary claim of claim 7-9, it is characterized in that,
By broadcast, or obtain the measurement resource information of described restricted measurement by signaling.
11. as the described method of the arbitrary claim of claim 7-10, it is characterized in that,
Describedly send measurement configuration information to subscriber equipment, and send the measurement resource information of restricted measurement, comprising:
The be injured base station of residential quarter of covering sends measurement configuration information to the subscriber equipment that is positioned at the residential quarter that is injured, and sends the measurement resource information of described restricted measurement.
12. a method of measurement that is used for interference coordination is characterized in that described method comprises:
Send measurement configuration information to subscriber equipment, and send the measurement resource information of restricted measurement, so that measurement result is measured and obtained to described subscriber equipment according to the measurement resource information of described measurement configuration information and described restricted measurement;
Receive the described measurement result that described subscriber equipment sends;
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited, and the measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
13. a measurement mechanism that is used for interference coordination is characterized in that described device comprises:
Acquiring unit is used for obtaining measurement configuration information, and obtains the measurement resource information of restricted measurement;
Measuring unit is used for the measurement resource information according to described measurement configuration information and described restricted measurement, measures and obtain measurement result;
Report the unit, be used for reporting described measurement result.
14. as device as described in the claim 13, it is characterized in that,
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited.
15. as device as described in claim 13 or 14, it is characterized in that,
The measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
16. as device as described in the arbitrary claim of claim 13-15, it is characterized in that,
Described acquiring unit, concrete being used for by broadcast, or obtain the measurement resource information of described restricted measurement by signaling.
17. as claim 13-16 device as described in each, it is characterized in that described device is the subscriber equipment that is positioned at the residential quarter that is injured;
Described acquiring unit, concrete being used for obtained measurement configuration information from the be injured base station of residential quarter of covering, and obtains the measurement resource information of restricted measurement from the be injured base station of residential quarter of covering.
18. a measurement mechanism that is used for interference coordination is characterized in that described device comprises:
Be used for obtaining measurement configuration information, and by broadcast or obtain the module of the measurement resource information of restricted measurement by signaling;
Be used for the measurement resource information according to described measurement configuration information and described restricted measurement, measure and obtain the module of measurement result;
Be used for reporting the module of described measurement result;
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited, and the measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
19. a measurement mechanism that is used for interference coordination is characterized in that described device comprises:
Be used for sending measurement configuration information to subscriber equipment, and send the module of the measurement resource information of restricted measurement, so that measurement result is measured and obtained to described subscriber equipment according to the measurement resource information of described measurement configuration information and described restricted measurement;
The module that is used for the described measurement result of the described subscriber equipment transmission of reception.
20. as the described device of claim 19 claim, it is characterized in that,
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited.
21. as the described device of the arbitrary claim of claim 19-20, it is characterized in that,
The measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
22. as the described device of the arbitrary claim of claim 19-21, it is characterized in that,
Described for sending measurement configuration information to subscriber equipment, and send the module of the measurement resource information of restricted measurement, be used for by broadcast, or obtain the measurement resource information of described restricted measurement by signaling.
23. as the described device of the arbitrary claim of claim 19-22, it is characterized in that,
Describedly send measurement configuration information to subscriber equipment, and send the measurement resource information of restricted measurement, comprising:
Described for sending measurement configuration information to subscriber equipment, and send the module of the measurement resource information of restricted measurement, be used for sending measurement configuration information to the subscriber equipment that is positioned at the residential quarter that is injured, and send the measurement resource information of described restricted measurement.
24. a measurement mechanism that is used for interference coordination is characterized in that described device comprises:
Be used for sending measurement configuration information to subscriber equipment, and send the module of the measurement resource information of restricted measurement, so that measurement result is measured and obtained to described subscriber equipment according to the measurement resource information of described measurement configuration information and described restricted measurement;
The module that is used for the described measurement result of the described subscriber equipment transmission of reception;
The measurement resource information of described restricted measurement is used for from time domain the resource of measuring being limited, and the measurement resource information of described restricted measurement is the used resource of Inter-Cell Interference Coordination or its subclass.
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