CN105101443A - Interference eliminating method and device, user devices and base stations - Google Patents
Interference eliminating method and device, user devices and base stations Download PDFInfo
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Abstract
The invention provides an interference eliminating method and device, user devices and base stations, and relates to the field of mobile communication. Mutual interference among a number of user devices under same or different networks can be effectively reduced or eliminated. The method comprise the steps that an interference control device intensively receives interference information sent by the first user device and related interference information sent by each surrounding user device, selects an interference suppression policy according to the interference information and the related interference information, develops an interference coordination command, and sends the interference coordination command to corresponding base stations; and the base stations under same or different networks carry out resource scheduling on specified user devices according to the interference coordination command. The method, the user devices and the base stations, which are provided by the invention, are used for reducing or eliminating interference among the user devices.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of eliminate interference method, device, subscriber equipment and base station.
Background technology
Along with Long Term Evolution (LongTermEvolution, LTE) the continuous expansion of network design, especially the development of time-division LTE (TimeDivision, TD-LTE) network, the subscriber equipment (UserEquipment in LTE network, UE) quantity rapid development, under some special screne, the places such as such as large stadium, high ferro, transport hub, because UE spacing is nearer, and be in relative static conditions, very easily there is interference mutually.
The many employings of prior art are based on OFDM (OrthogonalFrequencyDivisionMultipleAccess, OFDMA) interference coordination/avoid technology, base station under consolidated network is positioned at through consultation by one or more, to the frequency duplex factor as one set after being positioned at the UE assignment negotiation of respective quorum sensing inhibitor service range center of housing estate or marginal position or carrier wave frequency range, guarantee is positioned at different districts marginal position, each UE of close together uses different frequency duplex factor as one or different carrier wave frequency ranges, reduces the interference produced each other as much as possible.But under prior art requires that each UE is in consolidated network, so that hold consultation between base station in each UE place, determine how to set frequency duplex factor as one that different districts or diverse location UE use or carrier wave frequency range could be carried out, and for the different situation of network formats, as being close to TD-LTE frequently and Frequency Division Duplexing (FDD) LTE (FrequencyDivisionDuplexingLTE, interference problem between the UE FDD-LTE) under two networks, or the identical but situation that operator is different of network formats, as the time division duplex LTE (TimeDivisionDuplexing of two different operators, TDD-LTE) interference problem under network between two UE, can not hold consultation because base station, each UE place is positioned at heterogeneous networks, cannot solve.
Summary of the invention
Embodiments of the invention provide a kind of eliminate interference method, device, subscriber equipment and base station, obtaining information is concentrated to carry out decision-making by interference control device, and scheduling of resource is carried out to each subscriber equipment in each base station of transmission adjustment order instruction, without the need to carrying out the negotiation between base station, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provide a kind of method eliminating interference, described method comprises:
Interference control device receives the interfere information of first user equipment transmission and the interference-related information of one or more periphery subscriber equipment transmission; Described interfere information comprises the running time-frequency resource and type of service that described first user device signal takies, and each described interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies;
Described interference control device selects AF panel strategy according to described interfere information and each described interference-related information; Described AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies;
Described interference control device sends interference coordination order, so that each described base station carries out scheduling of resource according to described interference coordination order to described first user equipment or described periphery subscriber equipment according to described AF panel strategy to one or more base station.
Second aspect, provide a kind of method eliminating interference, described method comprises:
Subscriber equipment, after the high reject signal from periphery subscriber equipment being detected, sends interfere information to interference control device; Described interfere information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interference-related information that described interference control device sends according to described interfere information and described periphery subscriber equipment selects AF panel strategy; Or,
Described subscriber equipment, after the multicast information receiving arbitrary disturbed subscriber equipment transmission, sends interference-related information to described interference control device; Described interference-related information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interfere information that described interference control device sends according to described interference-related information and described disturbed subscriber equipment selects AF panel strategy;
Described subscriber equipment receives the scheduling of resource that base station, place is carried out according to interference coordination order; Described interference coordination order is described interference control device according to described AF panel policy development.
The third aspect, provide a kind of method eliminating interference, described method comprises:
Base station receives interference coordination order from interference control device; Described interference coordination order is described interference control device according to AF panel policy development;
Corresponding scheduling of resource operation, according to described interference coordination order, is carried out to the subscriber equipment of specifying in described base station.
Fourth aspect, provide a kind of interference control device, described interference control device comprises:
Information collection unit, the interference-related information that interfere information and one or more periphery subscriber equipment for receiving the transmission of first user equipment send; Described interfere information comprises the running time-frequency resource and type of service that described first user device signal takies, and each described interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies;
Disposal decision unit, for selecting AF panel strategy according to described interfere information and each described interference-related information; Described AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies;
Information transmitting unit, for sending interference coordination order, so that each described base station carries out scheduling of resource according to described interference coordination order to described first user equipment or described periphery subscriber equipment according to described AF panel strategy to one or more base station.
5th aspect, provides a kind of subscriber equipment, and described equipment comprises:
Information communication unit, for after the high reject signal from periphery subscriber equipment being detected, sends interfere information to interference control device; Described interfere information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interference-related information that described interference control device sends according to described interfere information and described periphery subscriber equipment selects AF panel strategy; Or,
After the multicast information receiving arbitrary disturbed subscriber equipment transmission, send interference-related information to described interference control device; Described interference-related information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interfere information that described interference control device sends according to described interference-related information and described disturbed subscriber equipment selects AF panel strategy;
Receiving scheduling unit, for receiving the scheduling of resource that base station, place is carried out according to interference coordination order; Described interference coordination order is described interference control device according to described AF panel policy development.
6th aspect, provides a kind of base station, and described base station comprises:
Receiving element, for receiving interference coordination order from interference control device; Described interference coordination order is described interference control device according to AF panel policy development;
Performance element, for according to described interference coordination order, carries out corresponding scheduling of resource operation to the subscriber equipment of specifying.
The embodiment of the present invention provides a kind of method eliminating interference, device, subscriber equipment and base station, first the interference-related information that the interfere information concentrating reception first user equipment to send by interference control device and each periphery subscriber equipment send, then select AF panel strategy according to interfere information and each interference-related information, and formulate interference coordination order and be sent to corresponding base station, finally according to interference coordination order, scheduling of resource is carried out to the subscriber equipment of specifying by base station, to be arranged in base station under identical or different network after receiving the order that AF panel set of strategies sends, scheduling of resource is carried out to corresponding subscriber equipment, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of method flow schematic diagram one eliminating interference that Fig. 1 provides for the embodiment of the present invention;
A kind of method flow schematic diagram two eliminating interference that Fig. 2 provides for the embodiment of the present invention;
A kind of method flow schematic diagram three eliminating interference that Fig. 3 provides for the embodiment of the present invention;
A kind of method flow schematic diagram four eliminating interference that Fig. 4 provides for the embodiment of the present invention;
A kind of structural representation disturbing control device that Fig. 5 provides for the embodiment of the present invention;
The structural representation one of a kind of subscriber equipment that Fig. 6 provides for the embodiment of the present invention;
The structural representation two of a kind of subscriber equipment that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of base station that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method eliminating interference, and based on interference control device side, as shown in Figure 1, the method comprises:
S101, interference control device receive the interfere information of first user equipment transmission and the interference-related information of one or more periphery subscriber equipment transmission.
Wherein, interfere information comprises the running time-frequency resource and type of service that first user device signal takies, and each interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies;
The running time-frequency resource that each subscriber equipment signal takies comprises this subscriber equipment when carrying out service communication with base station, Transmission Time Interval (TransmissionTimeInterval, TTI), time slot, frequency and bandwidth etc. that signal of communication uses.
S102, interference control device select AF panel strategy according to interfere information and each interference-related information.
Wherein, AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies.
Under a kind of possible implementation, channeling strategy comprises: according to the service priority order of first user equipment and one or more periphery subscriber equipment, be the corresponding resource of frequency range of each user equipment allocation from high to low; Time division multiplexing strategy comprises: according to the service priority order of first user equipment and one or more periphery subscriber equipment, be the corresponding time interval resource of each user equipment allocation from high to low; Power adjustable strategies comprises: the signal power of subscriber equipment minimum for service priority in first user equipment and one or more periphery subscriber equipment is reduced predetermined power difference.
S103, interference control device send interference coordination order, so that each base station carries out scheduling of resource according to interference coordination order to first user equipment or periphery subscriber equipment according to AF panel strategy to one or more base station.
Wherein, multiple base station can for being positioned at the multiple different base stations under identical or different network; Heterogeneous networks can be under different network formats, also can under the identical or different standard network of different operators operation.
The embodiment of the present invention provides a kind of method eliminating interference, the interfere information that first interference control device concentrates reception first user equipment to send and the interference-related information that each periphery subscriber equipment sends, then select AF panel strategy according to interfere information and each interference-related information, and formulate interference coordination order and be sent to corresponding base station, so that each base station under being positioned at identical or different network carries out scheduling of resource according to the interference coordination order of correspondence to the subscriber equipment of specifying, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
The embodiment of the present invention provides a kind of method eliminating interference, and based on user equipment side, as shown in Figure 2, the method comprises:
S201, subscriber equipment, after the high reject signal from periphery subscriber equipment being detected, send interfere information to interference control device; Or, after the multicast information receiving arbitrary disturbed subscriber equipment transmission, send interference-related information to interference control device.
Like this, to disturb control device to select AF panel strategy according to interfere information and interference-related information;
Wherein, interfere information comprises: the running time-frequency resource that subscriber equipment signal takies and type of service; Interference-related information comprises: the running time-frequency resource that subscriber equipment signal takies and type of service; Multicast information is used to indicate the interference-related information of arbitrary subscriber equipment to the interference control device transmission self of correspondence.
S202, subscriber equipment receive the scheduling of resource that base station, place is carried out according to interference coordination order.
Wherein, interference coordination order is that interference control device is according to AF panel policy development.
The embodiment of the present invention provides a kind of method eliminating interference, first subscriber equipment sends interfere information or interference-related information to interference control device, then receive base station, the place scheduling of resource of carrying out according to interference coordination order, can effectively reduce or eliminate and mutual interference under identical or different network between multiple subscriber equipment.
The embodiment of the present invention provides a kind of method eliminating interference, and based on base station side, as shown in Figure 3, the method comprises:
S301, base station receive interference coordination order from interference control device.
Wherein, interference coordination order is that interference control device is according to AF panel policy development.
Corresponding scheduling of resource operation, according to interference coordination order, is carried out to the subscriber equipment of specifying in S302, base station.
The embodiment of the present invention provides a kind of interference elimination method, first base station receives interference coordination order from interference control device, then according to this interference coordination order, corresponding scheduling of resource operation is carried out to the subscriber equipment of specifying, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
The technical scheme more clearly understood the embodiment of the present invention to enable those skilled in the art and provide, below by specific embodiment, the method that the another kind provided the embodiment of the present invention eliminates interference is described in detail, and as shown in Figure 4, the method comprises:
S401, a UE obtain high reject signal.
Concrete, during the downlink data transmission hydraulic performance decline of a UE when detecting that self to receive data from base station, place, the descending interference signal that can detect being searched for, and obtains high reject signal.
Wherein, judge that the preset data performance index of data transmission performance can as the message transmission rate of UE or data transmission error rate; One UE detects downlink data transmission performance, can be the downlink transmission data rate on detection the one UE or the downlink data transmission error rate, and the above-mentioned preset data performance index enumerated is only exemplary, include but not limited to this.
Exemplary, one UE is detecting that downlink transmission data rate is less than scheduled rate threshold value or the downlink data transmission error rate is greater than default bit error rate threshold, when namely showing that downlink data transmission hydraulic performance decline amplitude is larger, the all descending interference signal that search equipment self can detect, and add up the signal strength signal intensity of each interference signal, the interference signal wherein signal strength signal intensity being greater than preset strength threshold value is defined as high reject signal.
S402, a UE and each periphery UE send interfere information or each interference-related information to disturbing control device.
Concrete, the high reject signal of interference source as periphery UE is there is if judge, then a UE is to the first interference control device (InterferenceCoordinationCenter of correspondence, ICC) interfere information is sent, and according to the source that each high reject signal indicates, send multicast information to each periphery UE as interference source, indicate each periphery UE to send interference-related information to each self-corresponding ICC.
Exemplary, the possible source of any one high reject signal detected due to a UE is a base station or a periphery UE, and the interference signal that the method that the elimination that the embodiment of the present invention provides is disturbed is only periphery UE for source processes, so a UE judges the interference source of arbitrary high reject signal, can pass through:
Judge that whether this high reject signal is the pilot signal of specification, if so, then the source of this high reject signal is base station corresponding to base station corresponding to a community, UE place or other peripheral cell; Or, if not then the source of this high reject signal is the UE in a community, UE place or other peripheral cell; Wherein, pilot signal is base station is the signal that the object measured or monitor sends, and is generally the signal that single-frequency has pre-set specifications form, and a UE judges high reject signal by obtaining pre-set specifications from base station.
Further, if the source of this high reject signal is UE, then obtain the community ID and user totem information that comprise in this high reject signal, determine the periphery UE as interference source that this high reject signal is corresponding; Wherein, user totem information comprises: the IP address of UE, hardware (MediaAccessControl, MAC) address etc., and the above-mentioned user totem information enumerated is only exemplary, as long as can mark be provided, so that determine to originate and set up the information of communication in other UE or base station, as user totem information, can be included but not limited to this.
Exemplary, interfere information comprises: running time-frequency resource, type of service that when service communication is carried out in interference identification information, a UE and its base station, place, signal takies; Interference identification information is used for characterizing a UE certainly as the UE be interfered to an ICC.
Periphery UE can for producing arbitrary UE that signal strength signal intensity is greater than preset strength threshold interference signal to a UE; And a periphery UE and UE can be identical network standard, it also can be different systems; Same carrier network can be arranged in, also can be arranged in different operators network, not do concrete restriction herein.
Multicast information is sent to each periphery UE as interference source by a UE, is used to indicate each periphery UE and sends interference-related information to each self-corresponding ICC; This interference-related information can comprise: running time-frequency resource, type of service that the transmitting power of each periphery UE signal when carrying out service communication with base station, respective place, signal take; The ICC that each periphery UE is corresponding can be same ICC, and also can be multiple different ICC, and can carry out information interaction between multiple different ICC, concrete corresponding types be determined by practical application scene, and the present embodiment does not limit.
Wherein, the running time-frequency resource that each subscriber equipment signal takies comprises this subscriber equipment when carrying out service communication with base station, Transmission Time Interval (TransmissionTimeInterval, TTI), time slot, frequency and bandwidth etc. that signal of communication uses.
Be worth mentioning, because each ICC of layout in communication network can exist communication connection with one or more base station simultaneously, be responsible for each subscriber equipment in this one or more base station signal coverage and eliminate the relevant operation of interference, so be positioned at a UE of identical or different community and the corresponding same ICC of several peripheries UE possibility, corresponding multiple different ICC also may be distinguished; And ICC can be an independently communication network device, also can be a functional module of arbitrary existing equipment (as in base station), concrete way of realization, limit herein.
One UE sends interfere information or each periphery UE to an ICC of correspondence and sends interference-related information to each self-corresponding ICC, can by first sending interfere information or interference-related information to each UE self base station, place, then carry out forwardings realization by this base station to the ICC of its correspondence; And direct communication connection relation can not be there is between each UE and its each self-corresponding ICC.
One UE sends multicast information to each periphery UE as interference source can by forwarding between device-to-device (Device-to-Device, D2D) communication, Bluetooth technology or base station; And above-mentioned multicast information send mode is only exemplary, includes but not limited to this.
S403, an ICC receive interfere information and interference-related information.
Concrete, an ICC, after self or other ICC multiple receive the interference-related information as each periphery UE transmission in interference source, gathers information.
Exemplary, if a UE with as disturbing the corresponding same ICC of each periphery UE originated, i.e. an ICC, then the interference-related information that sends of the ICC interfere information of concentrating reception the one UE to send and each periphery UE, and gathering.
Or, if a UE from as multiple different ICC that disturbed each periphery UE originated corresponding respectively, then after a UE and each periphery UE have sent interfere information or interference-related information to each self-corresponding ICC, one ICC sends mutual indication information to each adjacent ICC, indicate in adjacent ICC each ICC of receiving interference-related information to send to an ICC feedback interference-related information received separately, so as the interfere information that obtains after information interaction of an ICC and interference-related information complete.
S404, an ICC obtain running time-frequency resource according to interfere information and each interference-related information and take and show and UE service priority sequence.
Exemplary, one ICC is after receiving the interfere information from a UE and each interference-related information from periphery UE, the running time-frequency resource that each periphery UE signal comprised in the running time-frequency resource taken according to the UE signal comprised in interfere information, each interference-related information takies, statistics obtains running time-frequency resource and takies table;
Wherein, running time-frequency resource takies table for recording the corresponding table of each UE and running time-frequency resource shared by its signal, take table according to this running time-frequency resource can analyze and obtain the running time-frequency resource that when service communication is carried out in arbitrary UE and its base station, place, signal takies, and the running time-frequency resource that the part UE that may exist takies jointly.
Further, according to the type of service on each periphery UE comprised in the type of service on the UE comprised in interference signal, each interference-related information, obtain the service priority on each UE, and from high to low each UE is sorted according to the service priority on each UE, obtain UE service priority sequence.
Wherein, judge that service priority can by judging that mass species instruction (QoSClassIdentifier, QCI) of each type of service realizes according to the type of service on UE; Different types of service, as traditional voice, real time flow medium voice, interactive class game etc., distinguish the different service priority of correspondence, and concrete corresponded manner is set by system default, does not limit herein.
S405, an ICC take table and UE service priority sequence selection AF panel strategy according to running time-frequency resource.
Exemplary, AF panel strategy comprises:
Channeling strategy, dispatches from frequency, the priority sequencing of each UE namely determined according to UE service priority sequence, and the business of instruction high priority takies the more resource of frequency range; Be specifically as follows the sequencing according to these UE priority, according to default resource of frequency range pro rate rule, the UE for different priorities distributes the resource of frequency range of corresponding proportion;
Wherein, presetting resource of frequency range pro rate rule can be the UE priority of external input setting and the rule of correspondence of resource of frequency range allocation proportion, take the principle of more multiband resource according to the UE that priority is high, adjust according to practical application scene, do not limit herein.
Time division multiplexing strategy, dispatched from the time, the priority sequencing of each UE namely determined according to UE service priority sequence, and the UE that instruction priority is high takies more time interval resource; Be specifically as follows the sequencing according to these UE priority, according to default time interval resource pro rate rule, the UE for different priorities distributes the time interval resource of corresponding proportion;
Wherein, presetting time interval resource pro rate rule can be the UE priority of external input setting and the rule of correspondence of video resource allocation proportion, take the principle of more multi-slot resource according to the UE that priority is high, adjust according to practical application scene, do not limit herein.
Power adjustable strategies, dispatches from power, the priority sequencing of each UE namely determined according to UE service priority sequence, and the UE that indicating services priority is minimum reduces signal power; Be specifically as follows and the signal power of the minimum UE of priority sequencing medium priority of UE is reduced predetermined power difference;
Wherein, predetermined power difference can be system default set point, also can be that outside input is given, not limit herein.
In above-mentioned three kinds of AF panel strategies, the priority of strategy is followed successively by from high to low: channeling strategy, time division multiplexing strategy, power adjustable strategies.One ICC determines available strategy from high to low successively according to the priority of strategy, comprising:
Adjust according to channeling strategy, if take table according to running time-frequency resource and UE service priority sequence judges to find that each UE current resource of frequency range taken meets default resource of frequency range pro rate rule, then show that channeling strategy is unavailable, adopt time division multiplexing strategy to adjust further.
Adjust according to time division multiplexing strategy, if take table according to running time-frequency resource and UE service priority sequence judges to find that each UE current time interval resource taken meets default time interval resource pro rate rule, then show that time division multiplexing strategy is unavailable, adopt power adjustable strategies to adjust further.
Adjust according to power adjustable strategies, according to UE service priority sequence, the signal power of minimum for priority UE is reduced predetermined power difference;
Be worth mentioning, in the present embodiment, predetermined power difference can be 0.25dB; And if repeatedly eliminate perturbation operation relate to arbitrary UE carry out repeatedly power reduction adjustment, then after the signal power of this UE reduces 1dB relative to initial default power integration, no longer power adjustment is carried out to this UE, then signal power reduction adjustment is carried out to priority sequence medium priority time low UE.
Above-mentionedly determine that implementation of strategies mode is only exemplary, include but not limited to this.
S406, an ICC send interference coordination order to base station.
Concrete, each UE respective base station that an ICC carries out adjusting to needs sends interference coordination order.
Exemplary, ICC, after determining AF panel strategy, formulates the concrete interference coordination order for each UE, and sends this interference coordination order to the base station at this UE place, so that this base station performs carry out scheduling of resource according to this interference coordination life to this UE.
Wherein, interference coordination order can be the resource scheduling scheme to UE of ICC formulation.Be that appointment UE distributes a part of time interval resource, the resource of frequency range or the notice appointment UE reduction signal frequency of specifying as indicated arbitrary base station.
Be worth mentioning, if according to AF panel strategy, need to carry out scheduling of resource to multiple UE, then need the base station at each UE place in above-mentioned multiple UE to send different interference coordination orders respectively, then according to receiving interference coordination order by each base station corresponding scheduling of resource is carried out to the subordinate UE specified operate; Multiple base stations at above-mentioned multiple UE place respectively can for being positioned at the multiple different base stations under identical or different network; Heterogeneous networks can be under different network formats, also can under the identical or different standard network of different operators operation.
There is with a base station, UE place connection in the one ICC, sends corresponding interference coordination order by this connection to a base station, UE place; And if an ICC exists with base station, each periphery UE place and is connected, then send corresponding interference coordination order by each connection to base station, each periphery UE place; Or, be connected if an ICC does not exist with base station, one or more periphery UE place, then by the communication connection of the multiple different IC Cs corresponding respectively with above-mentioned one or more periphery UE, corresponding interference coordination order can be forwarded to base station, each periphery UE place.
S407, base station receive and perform interference coordination order.
Concrete, each base station, after the interference coordination order receiving ICC transmission, upper once to when specifying UE to carry out scheduling of resource, carries out scheduling of resource according to the instruction of this interference coordination order to this UE.
Be worth mentioning, if the base station that to be multiple network formats of same operator different, multiple base station, then ICC can be provided by this operator, and each base station receives and obeys each UE of interference coordination order to instruction that this ICC sends carries out scheduling of resource; Or, if multiple base station is the identical or different base station of multiple network formats of different operators operation, then ICC can be provided by arbitrary operator and adopt unified standard identical default coordination strategy, each base station under different operators network receives and obey this ICC send interference coordination order to indicate each UE carry out scheduling of resource.
The embodiment of the present invention provides a kind of method eliminating interference, first the interference-related information that the interfere information concentrating reception subscriber equipment to send by interference control device and each periphery subscriber equipment send, then select AF panel strategy according to interfere information and each interference-related information, and formulate interference coordination order and be sent to corresponding base station, finally according to interference coordination order, scheduling of resource is carried out to the subscriber equipment of specifying by base station, to be arranged in base station under identical or different network after receiving the order that AF panel set of strategies sends, scheduling of resource is carried out to corresponding subscriber equipment, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
The embodiment of the present invention provides a kind of interference control device 01, and this interference control device 01 can be an independently communication network device, also can for being built in a functional module in arbitrary conventional network equipment, and as shown in Figure 5, this interference control device 01 comprises:
Information collection unit 011, the interference-related information that interfere information and one or more periphery subscriber equipment for receiving the transmission of first user equipment send.
Wherein, interfere information comprises the running time-frequency resource and type of service that first user device signal takies, and each interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies.
The running time-frequency resource that each subscriber equipment signal takies comprises this subscriber equipment when carrying out service communication with base station, Transmission Time Interval (TransmissionTimeInterval, TTI), time slot, frequency and bandwidth etc. that signal of communication uses.
Disposal decision unit 012, for selecting AF panel strategy according to interfere information and each interference-related information;
Wherein, AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies.
Information transmitting unit 013, for sending interference coordination order, so that each base station carries out scheduling of resource according to interference coordination order to first user equipment or periphery subscriber equipment according to AF panel strategy to one or more base station.
Wherein, multiple base station can for being positioned at the multiple different base stations under identical or different network; Heterogeneous networks can be under different network formats, also can under the identical or different standard network of different operators operation.
Optionally, in the selectable AF panel strategy of above-mentioned disposal decision unit 012:
Channeling strategy comprises: according to the service priority order of first user equipment and one or more periphery subscriber equipment, be the corresponding resource of frequency range of each user equipment allocation from high to low;
Time division multiplexing strategy comprises: according to the service priority order of first user equipment and one or more periphery subscriber equipment, be the corresponding time interval resource of each user equipment allocation from high to low;
Power adjustable strategies comprises: the signal power of subscriber equipment minimum for service priority in first user equipment and one or more periphery subscriber equipment is reduced predetermined power difference.
The embodiment of the present invention provides a kind of interference control device, first the interference-related information that the interfere information concentrating reception first user equipment to send and each periphery subscriber equipment send, then select AF panel strategy according to interfere information and each interference-related information, and formulate interference coordination order and be sent to corresponding base station, so that each base station under being positioned at identical or different network carries out scheduling of resource according to the interference coordination order of correspondence to the subscriber equipment of specifying, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
The invention provides a kind of subscriber equipment 02, as shown in Figure 6, this subscriber equipment 02 comprises:
Information communication unit 021, for after the high reject signal from periphery subscriber equipment being detected, sends interfere information to interference control device; Or, after the multicast information receiving arbitrary disturbed subscriber equipment transmission, send interference-related information to interference control device; To disturb control device to select AF panel strategy according to interference-related information and interfere information;
Wherein, interfere information comprises: the running time-frequency resource that subscriber equipment signal takies and type of service; Interference-related information comprises: the running time-frequency resource that subscriber equipment signal takies and type of service.
Receiving scheduling unit 022, for receiving the scheduling of resource that base station, place is carried out according to interference coordination order;
Wherein, interference coordination order is that interference control device is according to AF panel policy development.
Optionally, information communication unit 021 specifically for:
Detect preset data performance index, when preset data performance index are lower than predetermined threshold value, detect all interference signals that can receive, and the high reject signal that signal strength signal intensity in interference signal is greater than preset strength threshold value is judged;
When high reject signal is not the pilot signal of specification, determines that the source of high reject signal is periphery subscriber equipment, strong interference signal from periphery subscriber equipment detected.
Optionally, as shown in Figure 7, subscriber equipment 02 also comprises:
Multicast unit 023, for sending after interfere information to interference control device in information communication unit 021, according to the user totem information in each high reject signal, sends multicast information to each periphery subscriber equipment;
Wherein, multicast information is used to indicate the interference control device transmission interference-related information of periphery subscriber equipment to correspondence.
The embodiment of the present invention provides a kind of subscriber equipment, first interfere information or interference-related information is sent to interference control device, then receive base station, the place scheduling of resource of carrying out according to interference coordination order, can effectively reduce or eliminate and mutual interference under identical or different network between multiple subscriber equipment.
The embodiment of the present invention provides a kind of base station 03, and as shown in Figure 8, this base station 03 comprises:
Receiving element 031, for receiving interference coordination order from interference control device;
Wherein, interference coordination order is that interference control device is according to AF panel policy development;
Performance element 032, for according to interference coordination order, carries out corresponding scheduling of resource operation to the subscriber equipment of specifying.
The embodiment of the present invention provides a kind of base station, first interference coordination order is received from interference control device, then according to this interference coordination order, corresponding scheduling of resource operation is carried out to the subscriber equipment of specifying, can effectively reduce or eliminate the mutual interference between multiple subscriber equipment under being positioned at identical or different network.
In several embodiments that the application provides, should be understood that, disclosed system, equipment and method, can realize by another way.Such as, apparatus embodiments described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.
In addition, in the equipment in each embodiment of the present invention and system, each functional unit can be integrated in a processing unit, also can be that the independent physics of unit comprises, also can two or more unit in a unit integrated.And above-mentioned each unit both can adopt the form of hardware to realize, the form that hardware also can be adopted to add SFU software functional unit had realized.
The all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, and aforesaid program can be stored in a computer read/write memory medium, and this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ReadOnlyMemory, be called for short ROM), random access memory (RandomAccessMemory, be called for short RAM), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (12)
1. eliminate a method for interference, it is characterized in that, described method comprises:
Interference control device receives the interfere information of first user equipment transmission and the interference-related information of one or more periphery subscriber equipment transmission; Described interfere information comprises the running time-frequency resource and type of service that described first user device signal takies, and each described interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies;
Described interference control device selects AF panel strategy according to described interfere information and each described interference-related information; Described AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies;
Described interference control device sends interference coordination order, so that each described base station carries out scheduling of resource according to described interference coordination order to described first user equipment or described periphery subscriber equipment according to described AF panel strategy to one or more base station.
2. method according to claim 1, is characterized in that,
Described channeling strategy comprises: according to the service priority order of described first user equipment and one or more described periphery subscriber equipment, be the corresponding resource of frequency range of each user equipment allocation from high to low;
Described time division multiplexing strategy comprises: according to the service priority order of described first user equipment and one or more described periphery subscriber equipment, be the corresponding time interval resource of each user equipment allocation from high to low;
Described power adjustable strategies comprises: the signal power of subscriber equipment minimum for service priority in described first user equipment and one or more described periphery subscriber equipment is reduced predetermined power difference.
3. eliminate a method for interference, it is characterized in that, described method comprises:
Subscriber equipment, after the high reject signal from periphery subscriber equipment being detected, sends interfere information to interference control device; Described interfere information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interference-related information that described interference control device sends according to described interfere information and described periphery subscriber equipment selects AF panel strategy; Or,
Described subscriber equipment, after the multicast information receiving arbitrary disturbed subscriber equipment transmission, sends interference-related information to described interference control device; Described interference-related information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interfere information that described interference control device sends according to described interference-related information and described disturbed subscriber equipment selects AF panel strategy;
Described subscriber equipment receives the scheduling of resource that base station, place is carried out according to interference coordination order; Described interference coordination order is described interference control device according to described AF panel policy development.
4. method according to claim 3, is characterized in that, described in detect that the high reject signal from periphery subscriber equipment comprises:
Described subscriber equipment detects preset data performance index, when described preset data performance index are lower than predetermined threshold value, all interference signals that detection can receive, and the described high reject signal that signal strength signal intensity in described interference signal is greater than preset strength threshold value is judged;
If described high reject signal is not the pilot signal of specification, then determines that the source of described high reject signal is periphery subscriber equipment, high reject signal from periphery subscriber equipment detected.
5. method according to claim 4, is characterized in that, described to after interference control device sends interfere information, described method also comprises:
Described subscriber equipment, according to the user totem information in each described high reject signal, sends multicast information to each described periphery subscriber equipment;
Described multicast information is used to indicate described periphery subscriber equipment and sends described interference-related information to the interference control device of correspondence.
6. eliminate a method for interference, it is characterized in that, described method comprises:
Base station receives interference coordination order from interference control device; Described interference coordination order is described interference control device according to AF panel policy development;
Corresponding scheduling of resource operation, according to described interference coordination order, is carried out to the subscriber equipment of specifying in described base station.
7. an interference control device, is characterized in that, described interference control device comprises:
Information collection unit, the interference-related information that interfere information and one or more periphery subscriber equipment for receiving the transmission of first user equipment send; Described interfere information comprises the running time-frequency resource and type of service that described first user device signal takies, and each described interference-related information comprises the running time-frequency resource and type of service that each periphery subscriber equipment signal takies;
Disposal decision unit, for selecting AF panel strategy according to described interfere information and each described interference-related information; Described AF panel strategy comprises: channeling strategy, time division multiplexing strategy, power adjustable strategies;
Information transmitting unit, for sending interference coordination order, so that each described base station carries out scheduling of resource according to described interference coordination order to described first user equipment or described periphery subscriber equipment according to described AF panel strategy to one or more base station.
8. interference control device according to claim 7, is characterized in that,
Described channeling strategy comprises: according to the service priority order of described first user equipment and one or more described periphery subscriber equipment, be the corresponding resource of frequency range of each user equipment allocation from high to low;
Described time division multiplexing strategy comprises: according to the service priority order of described first user equipment and one or more described periphery subscriber equipment, be the corresponding time interval resource of each user equipment allocation from high to low;
Described power adjustable strategies comprises: the signal power of subscriber equipment minimum for service priority in described first user equipment and one or more described periphery subscriber equipment is reduced predetermined power difference.
9. a subscriber equipment, is characterized in that, described subscriber equipment comprises:
Information communication unit, for after the high reject signal from periphery subscriber equipment being detected, sends interfere information to interference control device; Described interfere information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interference-related information that described interference control device sends according to described interfere information and described periphery subscriber equipment selects AF panel strategy; Or,
After the multicast information receiving arbitrary disturbed subscriber equipment transmission, send interference-related information to described interference control device; Described interference-related information comprises: the running time-frequency resource that described subscriber equipment signal takies and type of service; So that the interfere information that described interference control device sends according to described interference-related information and described disturbed subscriber equipment selects AF panel strategy;
Receiving scheduling unit, for receiving the scheduling of resource that base station, place is carried out according to interference coordination order; Described interference coordination order is described interference control device according to described AF panel policy development.
10. subscriber equipment according to claim 9, is characterized in that, described information communication unit specifically for:
Detect preset data performance index, when described preset data performance index are lower than predetermined threshold value, detect all interference signals that can receive, and the described high reject signal that signal strength signal intensity in described interference signal is greater than preset strength threshold value is judged;
When described high reject signal is not the pilot signal of specification, determines that the source of described high reject signal is periphery subscriber equipment, high reject signal from periphery subscriber equipment detected.
Subscriber equipment described in 11. claims 10, is characterized in that, described subscriber equipment also comprises:
Multicast unit, for sending after interfere information to interference control device in information communication unit, according to the user totem information in each described high reject signal, sends multicast information to each described periphery subscriber equipment;
Described multicast information is used to indicate described periphery subscriber equipment and sends described interference-related information to the interference control device of correspondence.
12. 1 kinds of base stations, is characterized in that, described base station comprises:
Receiving element, for receiving interference coordination order from interference control device; Described interference coordination order is described interference control device according to AF panel policy development;
Performance element, for according to described interference coordination order, carries out corresponding scheduling of resource operation to the subscriber equipment of specifying.
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