CN102075977B - Method and equipment for controlling interference - Google Patents
Method and equipment for controlling interference Download PDFInfo
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- CN102075977B CN102075977B CN 201110022890 CN201110022890A CN102075977B CN 102075977 B CN102075977 B CN 102075977B CN 201110022890 CN201110022890 CN 201110022890 CN 201110022890 A CN201110022890 A CN 201110022890A CN 102075977 B CN102075977 B CN 102075977B
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Abstract
The invention discloses a method and equipment for controlling interference. The method comprises the following steps: a home base station detects the uplink interference; when the uplink interference is determined to be present according to detecting results, the home base station determines a downlink slot with interference to user equipment (UE); and the home base station controls the interference according to the interference condition of the downlink slot. In the embodiments of the invention, according to the uplink interference measured from a home base station cell or the downlink interference condition measured by the HUE (home user equipment), power can be limited or resources can be adjusted for different downlink slots respectively, so as to reduce or avoid the interference to macro UE by HNB (home node B) downlink. In addition, the influence on the performance of the home base station cell can be reduced as much as possible on the basis of ensuring the performance of the macro UE.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and apparatus of Interference Control.
Background technology
Along with 3G(3rd-generation, 3G (Third Generation) Moblie) development of technology, various high-speed radios are applied in the continuous human life style that changes, as the zone of mass data service bearer, how effectively fixing access of integration and mobile broadband resource are the problems that operator is faced in service operation.In order to overcome the problems referred to above, introduced Home eNodeB in the prior art, this Home eNodeB is called HNB(Home NodeB), be wireless aps (Access Point, the access point) equipment that is placed on user family or office, industry also is referred to as Femtocell.Home eNodeB has solved the problem of the indoor covering poor signal quality of 3G communication system 2GHz wireless signal, and has increased power system capacity.
Concrete, Home eNodeB is integrated Access Network NodeB of 3G system and RNC(Radio Network Controller on function, radio network controller) function (or function of packet domain equipment), broadband access (as DSL) with the user is backhaul, have automatic configuration and optimization ability, need not planning, also do not exist the site problem such as to choose.
Further, because the needs that Home eNodeB covers, HNB is distributed in macrocell inside usually, and Home eNodeB is used to indoor designated user colony that service is provided, and entry criteria that can limited subscriber.As the macrocell user near the HNB overlay area, but entry criteria limits it can not insert the HNB sub-district time, since from HNB to grand UE(User Equipment, subscriber equipment) path loss much larger than path loss from macro base station to grand UE, therefore grand UE can be subjected to the serious descending interference from HNB.
In the prior art, LTE(Long Term Evolution, Long Term Evolution) in the system, interfered base station carries out power control, schematic diagram as shown in Figure 1 by X2 interface notice interference base station.Solid line represents that Serving link(service connects), dotted line represents that Interference link(disturbs connection).As grand UE(UE1) when being subjected to HNB and disturbing, report by measurement to be notified to macro base station; Macro base station obtains the interference source base station according to measuring message, and reduces down transmitting power by X2 interface notice interference base station HNB, thereby reduces the interference to UE1.
At TD-SCDMA(Time Division-Synchronous Code Division Multiple Access, TD SDMA) in the system, do not have direct interface (as X2 interface) between HNB and the Macro NodeB, then can't realize being subjected to the process of disturbed condition control HNB down transmitting power in the manner described above according to grand UE.
At the TD-SCDMA system, judged whether that by detecting the HNB uplink interference grand UE is near current HNB; When detecting uplink interference, then reduce the upper limit of emission power of descending all time slots of HNB; Closed power control is then carried out in a conventional manner, only limits the HNB down transmitting power and can not surpass certain power upper limit.Aforesaid way can avoid the HNB down transmitting power excessive by the down transmitting power of restriction HNB maximum, and grand UE is produced strong descending interference.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
Do not introduce X2 interface in the TD-SCDMA system, the settling mode that can't use for reference the LTE system solves interference problem; Existing solution in the TD-SCDMA system, by the mode that uplink interference detects, operate coarsely relatively, do not distinguish time slot and other time slots that grand UE is disturbed, the whole down transmitting power upper limit that reduces all time slots of HNB is bigger to HNB cell downlink performance impact.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of Interference Control, to carry out Interference Control at the descending time slot that is interfered.
In order to achieve the above object, the embodiment of the invention provides a kind of method of Interference Control, comprising:
Home eNodeB detects uplink interference;
When determining to have uplink interference according to testing result, described Home eNodeB is determined there is the descending time slot that disturbs in subscriber equipment;
Described Home eNodeB carries out Interference Control according to the disturbed condition of described descending time slot.
The embodiment of the invention provides a kind of equipment of Interference Control, comprising:
First determination module is used for uplink interference is detected, and determines to exist uplink interference according to testing result;
Second determination module is used for determining there is the descending time slot that disturbs in subscriber equipment;
Control module is used for carrying out Interference Control according to the disturbed condition of described descending time slot.
Compared with prior art, the present invention has the following advantages at least:
The descending disturbed condition that measures according to the uplink interference of measuring from home base station cells or HUE, can carry out Power Limitation or resource adjustment respectively at different descending time slots, reduce or evade the descending interference of HNB grand UE, and can on the basis that guarantees grand UE performance, reduce the home base station cells Effect on Performance as far as possible.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment 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 the schematic diagram that carries out power control by X2 interface notice interference base station in the prior art;
Fig. 2 is the method flow schematic diagram of a kind of Interference Control of providing of the embodiment of the invention one;
Fig. 3 is the device structure schematic diagram of a kind of Interference Control of providing of the embodiment of the invention two.
Embodiment
When identical frequency is used with macrocell in the HNB sub-district, can there be serious co-channel interference between HNB sub-district and the macrocell, especially as the macrocell user near the HNB overlay area, but because entry criteria is when limiting it and can not insert the HNB sub-district, since from HNB to grand UE path loss much larger than path loss from macro base station to grand UE, HNB is particularly serious to the descending interference of grand UE.At the problems referred to above, the embodiment of the invention provides a kind of method and apparatus of Interference Control, the HNB down transmitting power is controlled or adjusted the Interference Control of resource based on the mode of uplink interference detection.
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, 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 is obtained under the creative work prerequisite.
Embodiment one
The embodiment of the invention one provides a kind of method of Interference Control, and as shown in Figure 2, this method may further comprise the steps:
Concrete, Home eNodeB can be determined the frequency point information and the sign indicating number resource use information of macrocell, and use an information according to the frequency point information and the sign indicating number resource of the midamble sign indicating number of known macrocell and above-mentioned definite macrocell, macrocell is carried out channel estimating, and obtain the interfere information of ascending time slot from grand UE according to channel estimation results.
In the embodiment of the invention, Home eNodeB can obtain the identification information of adjacent sub-district on every side by the mode that reads adjacent area broadcasting in the start self-configuring stage, as PLMN(Public Land Mobile Network, public land mobile communication network) ID(sign), LAC(Location Area Code, Location Area Code) ID etc.PLMN ID or LAC ID by the known macrocell of Home eNodeB uses can distinguish macrocell and other home base station cells in the adjacent sub-district on every side, thereby obtain the frequency point information and the sign indicating number resource use information of macrocell on every side.
Further, Home eNodeB can utilize the basic midamble sign indicating number of known macrocell, and obtain around the frequency point information and the sign indicating number resource of macrocell use an information, macrocell is on every side carried out channel estimating, and obtains the interfere information of ascending time slot from grand UE according to channel estimation results.In addition, can also when being carried out channel estimating, macrocell determine to produce the employed midamble sign indicating number of the grand UE window position that disturbs according to the peak point position of channel estimating.
In the embodiment of the invention, in order to determine that there is the descending time slot that disturbs in grand UE, can determine the first time slot configuration situation (being that the home base station network management system increases the time slot configuration situation to macrocell different frequent points around the Home eNodeB configuration) of macrocell different frequent points, and determine there is the descending time slot that disturbs in grand UE according to the first time slot configuration situation; Perhaps, determine the second time slot configuration situation (promptly inferring the identical time slot configuration that macrocell also uses) that macrocell uses according to the time slot configuration of Home eNodeB, and determine there is the descending time slot that disturbs in grand UE according to the second time slot configuration situation according to the time slot configuration of Home eNodeB itself.
In the practical application, related service can be divided into the professional and H business of R4, and the H business is HSDPA(High Speed Downlink Packet Access, and high speed downlink packet inserts) business, the R4 business is the business outside the H business.
Professional and the H business based on R4, when if current home base station cells uses identical frequency with macrocell R4 carrier wave, the grand UE of a common R4 only can take the resource of a time slot in the descending time slot, the descending time slot that Home eNodeB can notify HUE to measure and report grand UE to take exists definite mode of the descending time slot that disturbs to be to grand UE in this case:
When macrocell is carried out channel estimating, determine to produce the employed midamble sign indicating number of the grand UE window position that disturbs according to the peak point position of channel estimating; Home eNodeB notice HUE carries out channel estimating according to midamble sign indicating number window position to macrocell, HUE determines to be disturbed the code channel activating number of grand UE at each time slot according to channel estimation results, and determine that it is the time slot that has activated code channel that grand UE takies time slot, thereby make HUE to determine there is the descending time slot that disturbs in grand UE according to channel estimation results; Afterwards, HUE will exist the information of the descending time slot that disturbs to be notified to Home eNodeB to grand UE.
Professional and the H business based on R4, when if current home base station cells uses identical frequency with macrocell H carrier wave, then can utilize the asymmetric situation of the professional up-downgoing flow of H, and according to the interference profile situation of up different time-gap, determine grand UE is existed the descending time slot that disturbs, macrocell resource distribution situation as shown in table 1.
Table 1
In the embodiment of the invention, when current home base station cells uses identical frequency with macrocell R4 carrier wave, then carry out the process of corresponding Interference Control, comprising:
(1) be the R4 business when the current business of using of family's base station cell, and surplus resources is evaded the descending time slot that grand UE takies by the resource reconfiguration mode when being no less than 1 time slot.
(2) be the R4 business when the current business of using of family's base station cell, and surplus resources is when being less than 1 time slot, reduces the down transmitting power upper limit of the descending time slot that Home eNodeB takies at grand UE.Wherein, control can be carried out according to existing mode for closed power, but requires control Home eNodeB down transmitting power less than the described down transmitting power upper limit.
(3) when the current business of using of family's base station cell is professional as H, if the down buffer storage data volume less than default thresholding, then selects not dispatch the resource that grand UE takies descending time slot; Otherwise Home eNodeB continues the grand UE of scheduling and takies the resource of descending time slot, and reduces the down transmitting power of this descending time slot.
When current home base station cells uses identical frequency with macrocell H carrier wave, then carry out the process of corresponding Interference Control, comprising:
(1) Home eNodeB determines that according to the occupation condition of grand UE ascending time slot the type of service of grand UE, this type of service are that UPA business (uplink service) is main or DPA professional (downlink business) is main.
Concrete, the midamble sign indicating number that Home eNodeB can utilize known grand UE carries out channel estimating to the upward signal of grand UE, and detects the code channel activating situation of grand UE according to channel estimation results, and then obtains the occupation condition of grand UE ascending time slot; And the occupation condition by up each time slot of grand UE can determine that the business of grand UE stresses the professional or descending DPA business of up UPA.Wherein:
When the family base station detects macrocell E-PUCH(E-DCH Physical Uplink Channel, E-DCH uplink physical channel) time slot of channel occupancy is (as time slot Ts2; Or time slot Ts2, Ts3) resource utilization is when higher (as greater than preset first threshold value), and then the type of service of definite grand UE is UPA business (based on the UPA business).
When the family base station detects up channel (feedback information of transmission DPA business) resource utilization higher (as greater than default second threshold value), the HS-SICH(Shared Information Channel for HS-DSCH of following of macrocell control time slot, HS-DSCH shares information channel) the channel resource utilance is when higher (as greater than default the 3rd threshold value), and the type of service of determining grand UE is DPA business (based on the DPA business).
(2), reduce the down transmitting power of corresponding time slot, or avoid using the resource of this time slot by the mode of resource reprovision scheduling according to grand UE service distribution characteristics.Wherein:
When type of service is UPA business (based on the UPA business), the UPA business is followed on the shared time slot of channel (as Ts6) and is followed the DPCH(DPCH) Channel Transmission feedback data amount is bigger, will be subjected to more seriously disturbing, therefore, Home eNodeB can be followed the shared time slot of channel (the time slot Ts6 that takies as UE) by the UPA business that the resource reconfiguration mode is evaded grand UE; Perhaps, reduce Home eNodeB and follow the down transmitting power upper limit of the shared time slot of channel (the time slot Ts6 that takies as UE), and control Home eNodeB down transmitting power is less than the down transmitting power upper limit in the UPA of grand UE business.
When type of service is DPA business (based on the DPA business), the shared time slot of DPA Traffic Channel (as business time-slot Ts4, Ts5) will be subjected to more seriously disturbing, therefore, Home eNodeB can be evaded the shared time slot of DPA Traffic Channel (the time slot Ts4, the Ts5 that take as UE) of grand UE by the resource reconfiguration mode; Perhaps, reduce the down transmitting power upper limit of Home eNodeB, and control Home eNodeB down transmitting power is less than the down transmitting power upper limit at the shared time slot of the DPA of grand UE Traffic Channel (the time slot Ts4, the Ts5 that take as UE).
Embodiment two
Based on the inventive concept same with said method, a kind of equipment of Interference Control also is provided in the embodiment of the invention, as shown in Figure 3, this equipment comprises:
Described first determination module 11 specifically is used to detect the interfere information of ascending time slot from subscriber equipment, when the interference value that detects macrocell during greater than default thresholding, determines to exist uplink interference.
Described first determination module 11, be further used for determining the frequency point information and the sign indicating number resource use information of macrocell, use information according to the midamble sign indicating number of known macrocell and the frequency point information and the sign indicating number resource of described macrocell, macrocell is carried out channel estimating, and according to the interfere information of channel estimation results acquisition from subscriber equipment.
Described second determination module 12 specifically is used for determining the first time slot configuration situation of macrocell different frequent points, and determines subscriber equipment is existed the descending time slot of interference according to the described first time slot configuration situation; Perhaps, determine the second time slot configuration situation that macrocell uses, and determine there is the descending time slot that disturbs in subscriber equipment according to the described second time slot configuration situation according to the time slot configuration of Home eNodeB.
Described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell R4 carrier wave, described second determination module 12, specifically be used for when macrocell is carried out channel estimating, determine to produce the employed midamble sign indicating number of the grand UE window position that disturbs according to the peak point position of channel estimating; Notice HUE carries out channel estimating according to described midamble sign indicating number window position to macrocell, and is determined there is the descending time slot that disturbs in grand UE according to channel estimation results by described HUE; Receive the descending time slot that described HUE returns to grand UE existence interference.
Described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell R4 carrier wave, described control module 13, specifically be used for being the R4 business when the current business of using of family's base station cell, and when surplus resources is no less than 1 time slot, evade the descending time slot that grand UE takies by the resource reconfiguration mode; When the current business of using of family's base station cell is the R4 business, and when surplus resources is less than 1 time slot, reduce the down transmitting power upper limit of the descending time slot that Home eNodeB takies at grand UE, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit; When the current business of using of family's base station cell is professional as H, if the down buffer storage data volume less than default thresholding, is not then dispatched the resource that grand UE takies descending time slot; Otherwise, continue the grand UE of scheduling and take the resource of descending time slot, and reduce the down transmitting power of this descending time slot.
Described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell H carrier wave, described second determination module 12, specifically be used to utilize the asymmetric situation of the professional up-downgoing flow of H, and, determine there is the descending time slot that disturbs in grand UE according to the interference profile situation of up different time-gap.
Described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell H carrier wave, described control module 13 specifically is used for determining according to the occupation condition of grand UE ascending time slot the type of service of grand UE, described type of service be main for the UPA business or DPA professional be main; When type of service when being main, evade the UPA business of grand UE by the resource reconfiguration mode and follow the shared time slot of channel for the UPA business; Perhaps, reduce Home eNodeB and follow the down transmitting power upper limit of the shared time slot of channel, and control the Home eNodeB down transmitting power less than the described down transmitting power upper limit in the UPA of grand UE business; When type of service when being main, evade the shared time slot of DPA Traffic Channel of grand UE by the resource reconfiguration mode for the DPA business; Perhaps, reduce the down transmitting power upper limit of Home eNodeB, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit at the shared time slot of the DPA of grand UE Traffic Channel.
Described control module 13, the midamble sign indicating number that is further used for utilizing known grand UE carries out channel estimating to the upward signal of grand UE, detects the code channel activating situation of grand UE according to channel estimation results, and obtains the occupation condition of grand UE ascending time slot; When occupation condition is the time interval resource utilance of macrocell E-PUCH channel occupancy during greater than preset first threshold value, determine that the type of service of grand UE is main for the UPA business; When occupation condition be macrocell control time slot up follow the channel resource utilance greater than default second threshold value, HS-SICH channel resource utilance when presetting the 3rd threshold value, determine that the type of service of grand UE is main for the DPA business.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (14)
1. the method for an Interference Control is characterized in that, comprising:
Home eNodeB detects uplink interference; Described Home eNodeB detects uplink interference, comprising: described Home eNodeB detects the interfere information of ascending time slot from subscriber equipment; Described Home eNodeB detects the interfere information of ascending time slot from subscriber equipment, comprise: described Home eNodeB is determined the frequency point information and the sign indicating number resource use information of macrocell, use information according to the midamble sign indicating number of known macrocell and the frequency point information and the sign indicating number resource of described macrocell, macrocell is carried out channel estimating, and according to the interfere information of channel estimation results acquisition from subscriber equipment;
When determining to have uplink interference according to testing result, described Home eNodeB is determined there is the descending time slot that disturbs in subscriber equipment; Describedly determine to exist uplink interference according to testing result, comprising: when the interference value that detects macrocell during greater than default thresholding, described Home eNodeB determines to exist uplink interference;
Described Home eNodeB carries out Interference Control according to the disturbed condition of described descending time slot.
2. the method for claim 1 is characterized in that, described Home eNodeB is determined there is the descending time slot that disturbs in subscriber equipment, and comprising:
Described Home eNodeB is determined the first time slot configuration situation of macrocell different frequent points, and determines there is the descending time slot that disturbs in subscriber equipment according to the described first time slot configuration situation; Perhaps,
Described Home eNodeB is determined the second time slot configuration situation that macrocell uses according to the time slot configuration of self, and determines there is the descending time slot that disturbs in subscriber equipment according to the described second time slot configuration situation.
3. the method for claim 1 is characterized in that, described subscriber equipment is grand UE, and when current home base station cells used identical frequency with macrocell R4 carrier wave, described Home eNodeB was determined there is the descending time slot that disturbs in subscriber equipment, and comprising:
When macrocell was carried out channel estimating, described Home eNodeB determined to produce the employed midamble sign indicating number of the grand UE window position that disturbs according to the peak point position of channel estimating;
Described Home eNodeB notice HUE carries out channel estimating according to described midamble sign indicating number window position to macrocell, and is determined there is the descending time slot that disturbs in grand UE according to channel estimation results by described HUE;
Described Home eNodeB receives the descending time slot to grand UE existence interference that described HUE returns.
4. the method for claim 1 is characterized in that, described subscriber equipment is grand UE, and when current home base station cells used identical frequency with macrocell R4 carrier wave, described Home eNodeB carried out Interference Control according to the disturbed condition of described descending time slot, comprising:
When the current business of using of family's base station cell is the R4 business, and surplus resources is when being no less than 1 time slot, and described Home eNodeB is evaded the descending time slot that grand UE takies by the resource reconfiguration mode;
When the current business of using of family's base station cell is the R4 business, and when surplus resources is less than 1 time slot, described Home eNodeB reduces the down transmitting power upper limit of the descending time slot that Home eNodeB takies at grand UE, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit;
When the current business of using of family's base station cell is professional as H, if the down buffer storage data volume less than default thresholding, then described Home eNodeB is not dispatched the resource that grand UE takies descending time slot; Otherwise described Home eNodeB continues the grand UE of scheduling and takies the resource of descending time slot, and reduces the down transmitting power of this descending time slot.
5. the method for claim 1 is characterized in that, described subscriber equipment is grand UE, and when current home base station cells used identical frequency with macrocell H carrier wave, described Home eNodeB was determined there is the descending time slot that disturbs in subscriber equipment, and comprising:
Described Home eNodeB utilizes the asymmetric situation of the professional up-downgoing flow of H, and according to the interference profile situation of up different time-gap, determines there is the descending time slot that disturbs in grand UE.
6. the method for claim 1 is characterized in that, described subscriber equipment is grand UE, and when current home base station cells used identical frequency with macrocell H carrier wave, described Home eNodeB carried out Interference Control according to the disturbed condition of described descending time slot, comprising:
Described Home eNodeB is determined the type of service of grand UE according to the occupation condition of grand UE ascending time slot, described type of service be main for the UPA business or DPA professional be main;
When type of service when being main for the UPA business, the UPA business that described Home eNodeB is evaded grand UE by the resource reconfiguration mode is followed the shared time slot of channel; Perhaps, described Home eNodeB reduces Home eNodeB and follows the down transmitting power upper limit of the shared time slot of channel in the UPA of grand UE business, and controls the Home eNodeB down transmitting power less than the described down transmitting power upper limit;
When type of service when being main for the DPA business, described Home eNodeB is evaded the shared time slot of DPA Traffic Channel of grand UE by the resource reconfiguration mode; Perhaps, described Home eNodeB reduces the down transmitting power upper limit of Home eNodeB at the shared time slot of the DPA of grand UE Traffic Channel, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit.
7. method as claimed in claim 6 is characterized in that, described Home eNodeB is determined to comprise the type of service of grand UE according to the occupation condition of grand UE ascending time slot:
The midamble sign indicating number that described Home eNodeB utilizes known grand UE carries out channel estimating to the upward signal of grand UE, detects the code channel activating situation of grand UE according to channel estimation results, and obtains the occupation condition of grand UE ascending time slot;
When occupation condition is the time interval resource utilance of macrocell E-PUCH channel occupancy during greater than preset first threshold value, described Home eNodeB determines that the type of service of grand UE is main for the UPA business;
When occupation condition be macrocell control time slot up follow the channel resource utilance greater than default second threshold value, HS-SICH channel resource utilance when presetting the 3rd threshold value, described Home eNodeB determines that the type of service of grand UE is main for the DPA business.
8. the equipment of an Interference Control is characterized in that, comprising:
First determination module is used for uplink interference is detected, and determines to exist uplink interference according to testing result; Specifically be used to detect the interfere information of ascending time slot,, determine to exist uplink interference when the interference value that detects macrocell during greater than default thresholding from subscriber equipment; Be further used for determining the frequency point information and the sign indicating number resource use information of macrocell, use information according to the midamble sign indicating number of known macrocell and the frequency point information and the sign indicating number resource of described macrocell, macrocell is carried out channel estimating, and according to the interfere information of channel estimation results acquisition from subscriber equipment;
Second determination module is used for determining there is the descending time slot that disturbs in subscriber equipment;
Control module is used for carrying out Interference Control according to the disturbed condition of described descending time slot.
9. equipment as claimed in claim 8 is characterized in that,
Described second determination module specifically is used for determining the first time slot configuration situation of macrocell different frequent points, and determines subscriber equipment is existed the descending time slot of interference according to the described first time slot configuration situation; Perhaps,
Determine the second time slot configuration situation that macrocell uses according to the time slot configuration of Home eNodeB, and determine there is the descending time slot that disturbs in subscriber equipment according to the described second time slot configuration situation.
10. equipment as claimed in claim 8 is characterized in that, described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell R4 carrier wave,
Described second determination module specifically is used for when macrocell is carried out channel estimating, determines to produce the employed midamble sign indicating number of the grand UE window position that disturbs according to the peak point position of channel estimating;
Notice HUE carries out channel estimating according to described midamble sign indicating number window position to macrocell, and is determined there is the descending time slot that disturbs in grand UE according to channel estimation results by described HUE;
Receive the descending time slot that described HUE returns to grand UE existence interference.
11. equipment as claimed in claim 8 is characterized in that, described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell R4 carrier wave,
Described control module specifically is used for being the R4 business when the current business of using of family's base station cell, and surplus resources is evaded the descending time slot that grand UE takies by the resource reconfiguration mode when being no less than 1 time slot;
When the current business of using of family's base station cell is the R4 business, and when surplus resources is less than 1 time slot, reduce the down transmitting power upper limit of the descending time slot that Home eNodeB takies at grand UE, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit;
When the current business of using of family's base station cell is professional as H, if the down buffer storage data volume less than default thresholding, is not then dispatched the resource that grand UE takies descending time slot; Otherwise, continue the grand UE of scheduling and take the resource of descending time slot, and reduce the down transmitting power of this descending time slot.
12. equipment as claimed in claim 8 is characterized in that, described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell H carrier wave,
Described second determination module specifically is used to utilize the asymmetric situation of the professional up-downgoing flow of H, and according to the interference profile situation of up different time-gap, determines there is the descending time slot that disturbs in grand UE.
13. equipment as claimed in claim 8 is characterized in that, described subscriber equipment is grand UE, when current home base station cells uses identical frequency with macrocell H carrier wave,
Described control module specifically is used for determining according to the occupation condition of grand UE ascending time slot the type of service of grand UE, described type of service be main for the UPA business or DPA professional be main;
When type of service when being main, evade the UPA business of grand UE by the resource reconfiguration mode and follow the shared time slot of channel for the UPA business; Perhaps, reduce Home eNodeB and follow the down transmitting power upper limit of the shared time slot of channel, and control the Home eNodeB down transmitting power less than the described down transmitting power upper limit in the UPA of grand UE business;
When type of service when being main, evade the shared time slot of DPA Traffic Channel of grand UE by the resource reconfiguration mode for the DPA business; Perhaps, reduce the down transmitting power upper limit of Home eNodeB, and control Home eNodeB down transmitting power is less than the described down transmitting power upper limit at the shared time slot of the DPA of grand UE Traffic Channel.
14. equipment as claimed in claim 13 is characterized in that,
Described control module, the midamble sign indicating number that is further used for utilizing known grand UE carries out channel estimating to the upward signal of grand UE, detects the code channel activating situation of grand UE according to channel estimation results, and obtains the occupation condition of grand UE ascending time slot;
When occupation condition is the time interval resource utilance of macrocell E-PUCH channel occupancy during greater than preset first threshold value, determine that the type of service of grand UE is main for the UPA business;
When occupation condition be macrocell control time slot up follow the channel resource utilance greater than default second threshold value, HS-SICH channel resource utilance when presetting the 3rd threshold value, determine that the type of service of grand UE is main for the DPA business.
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| CN103052103B (en) * | 2011-10-11 | 2015-09-30 | 华为技术有限公司 | A kind of room divides traffic to reveal inspection method and device |
| CN102595587B (en) * | 2012-02-24 | 2015-06-17 | 电信科学技术研究院 | Business transmission method and device |
| CN103546979B (en) * | 2012-07-12 | 2017-02-08 | 中兴通讯股份有限公司 | Household base station and method and device for determining random access parameter conflicts of household base station |
| CN103636249A (en) * | 2012-08-29 | 2014-03-12 | 华为技术有限公司 | Method, device and system for detecting indoor cell leakage |
| CN103281763B (en) * | 2013-04-27 | 2016-08-10 | 京信通信技术(广州)有限公司 | A kind of method and apparatus adjusting base station transmitting power |
| CN103402206A (en) * | 2013-07-17 | 2013-11-20 | 华为技术有限公司 | Interference processing method and base station |
| CN104349352B (en) * | 2013-07-30 | 2018-10-12 | 华为技术有限公司 | A kind of method, apparatus and system of interference coordination |
| WO2015168907A1 (en) * | 2014-05-08 | 2015-11-12 | Alcatel Lucent | Method and apparatus for assisting ue to reduce interference |
| CN106488488A (en) * | 2015-08-31 | 2017-03-08 | 中兴通讯股份有限公司 | A kind of base station interference detection method and device |
| CN109219121B (en) * | 2017-06-29 | 2020-12-01 | 上海华为技术有限公司 | Power control method and related equipment |
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