CN105101442B - Method, user equipment and the base station interfered between a kind of elimination user equipment - Google Patents

Method, user equipment and the base station interfered between a kind of elimination user equipment Download PDF

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Publication number
CN105101442B
CN105101442B CN201410172391.5A CN201410172391A CN105101442B CN 105101442 B CN105101442 B CN 105101442B CN 201410172391 A CN201410172391 A CN 201410172391A CN 105101442 B CN105101442 B CN 105101442B
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China
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user equipment
interference
periphery
interference coordination
signal
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CN201410172391.5A
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Chinese (zh)
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CN105101442A (en
Inventor
王波
李轶群
盛煜
毕猛
陈国利
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中国联合网络通信集团有限公司
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Priority to CN201410172391.5A priority Critical patent/CN105101442B/en
Publication of CN105101442A publication Critical patent/CN105101442A/en
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Abstract

The embodiment of the present invention provides a kind of method, user equipment and base station eliminated and interfered between user equipment, is related to mobile communication field, can be effectively reduced or eliminate interfering with each other between two user equipmenies under identical or different network.Its method are as follows: the first user equipment first, which obtains the first interference information of itself and receives, generates the periphery interference information that the second user equipment of most high reject signal is sent in the user equipment of periphery, interference coordination strategy is selected according to the first interference information and periphery interference information, and is sent to second user equipment;Then, base station where each user equipment is sent to respectively further according to the corresponding interference coordination order of interference coordination policy development of selection finally carries out scheduling of resource to specified user equipment when judging that interference coordination order is feasible by each base station being located under identical or different network.The embodiment of the present invention is used to eliminate the interference between user equipment.

Description

Method, user equipment and the base station interfered between a kind of elimination user equipment

Technical field

The present invention relates to a kind of methods interfered between mobile communication field more particularly to elimination user equipment, user equipment The base station and.

Background technique

With Long Term Evolution (Long Term Evolution, LTE) network dispose continuous expansion, especially when The continuous development of point LTE (Time Division, TD-LTE) network, in LTE network user equipment (User Equipment, UE quantity rapid development), under certain special screnes, such as the places such as large stadium, high-speed rail, transport hub, due between UE It is closer, and is in relative static conditions, easily interfere with each other.

The prior art is mostly used based on orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA) interference coordination/avoid technology, it is through consultation by one or more base stations being located under consolidated network, right The frequency duplex factor as one set after the UE assignment negotiation of center of housing estate or marginal position in respective signal covering service range Or carrier wave frequency range, guarantee positioned at different community marginal position, each UE being closer using different frequency duplex factor as one or not Same carrier wave frequency range, reduces the interference generated between each other as far as possible.However the prior art requires each UE to be in consolidated network Under, to hold consultation between base station where each UE, determine that how to set frequency used in different community or different location UE answers It could be carried out with the factor or carrier wave frequency range, and in the case of network formats are different, such as close to the TD-LTE of frequency and frequency division duplex The interference problem or network between UE under two networks of LTE (Frequency Device Duplexing LTE, FDD-LTE) The situation that standard is identical but operator is different, such as time division duplex LTE (the Time Division of two different operators Duplexing, TDD-LTE) interference problem under network between two UE, due to base station where each UE is located at heterogeneous networks cannot be into Row is negotiated then solve.

Summary of the invention

The embodiment of the present invention provides a kind of method, user equipment and base station eliminated and interfered between user equipment, passes through use Family equipment obtains itself and the interference-related information of the periphery user equipment offer as interference source carries out decision, and To place base station send adjustment order, so as to base station judgement adjustment it is feasible when to user equipment carry out scheduling of resource, without into Negotiation between row base station can be effectively reduced or be eliminated positioned at mutual between two user equipmenies under identical or different network Interference.In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that

In a first aspect, providing a kind of method eliminated and interfered between user equipment, which comprises

First user equipment is after detecting the high reject signal from each periphery user equipment, to each periphery user The highest second user equipment of signal strength that high reject signal is generated in equipment sends interaction instruction information;

First user equipment obtains the first interference information, and receives second user equipment and refer to receiving the interaction Show the periphery interference information that transmission is fed back after information;First interference information includes that the first user equipment signal occupies Running time-frequency resource;The periphery interference information includes the running time-frequency resource that the second user device signal occupies;

First user equipment selects interference coordination plan according to first interference information and the periphery interference information Slightly;The interference coordination strategy includes: channeling strategy, power adjustment strategy;

First user equipment sends interference coordination order to place base station according to the interference coordination strategy, with toilet It states base station and carries out scheduling of resource according to the interference coordination order, and send the interference coordination plan to the second user equipment Slightly, so that the second user equipment is adjusted according to the interference coordination strategy;

First user equipment receives the scheduling of resource that the base station is carried out according to the interference coordination order.

Second aspect provides a kind of method eliminated and interfered between user equipment, which comprises

Second user equipment receives the interaction instruction information that the first user equipment is sent, and anti-to first user equipment Feedback sends periphery interference information;The periphery interference information includes the running time-frequency resource that the second user device signal occupies;

The second user equipment receives the interference coordination strategy that the first user equipment is sent, and according to the interference coordination Strategy sends interference coordination order to place base station, so that the base station carries out scheduling of resource according to the interference coordination order;

The second user equipment receives the scheduling of resource that the base station is carried out according to the interference coordination order.

The third aspect provides a kind of method eliminated and interfered between user equipment, which comprises

Base station receives interference coordination order from user equipment;The interference coordination order is the user equipment according to interference What coordination strategy was formulated;

The base station judges whether the interference coordination order meets default execution condition, when meeting according to the interference Coordinate order and corresponding scheduling of resource operation is carried out to specified user equipment.

Fourth aspect, provides a kind of user equipment, and the user equipment includes:

Indicating unit is detected, for after detecting the high reject signal from each periphery user equipment, to each week The highest second user equipment of signal strength that high reject signal is generated in the user equipment of side sends interaction instruction information;

Acquiring unit for obtaining the first interference information, and receives second user equipment and is receiving the interaction instruction The periphery interference information of transmission is fed back after information;First interference information includes the time-frequency money that the user equipment signal occupies Source;The periphery interference information includes the running time-frequency resource that the second user device signal occupies;

Decision package, for selecting interference coordination strategy according to first interference information and the periphery interference information; The interference coordination strategy includes: channeling strategy, power adjustment strategy;

Coordination unit, for sending interference coordination order to place base station according to the interference coordination strategy, so as to described Base station carries out scheduling of resource according to the interference coordination order, and sends the interference coordination plan to the second user equipment Slightly, so that the second user equipment is adjusted according to the interference coordination strategy;

Receive scheduling unit, the scheduling of resource carried out for receiving the base station according to the interference coordination order.

5th aspect, provides a kind of user equipment, the user equipment includes:

Feedback unit is received, the interaction for receiving the transmission of the first user equipment indicates information, and to first user Equipment feedback sends periphery interference information;The periphery interference information includes the running time-frequency resource that the user equipment signal occupies;

Coordination unit is received, is assisted for receiving the interference coordination strategy of the first user equipment transmission, and according to the interference Strategy is adjusted to send interference coordination order to place base station, so that the base station carries out resource tune according to the interference coordination order Degree;

Receive scheduling unit, the scheduling of resource carried out for receiving the base station according to the interference coordination order.

6th aspect, provides a kind of base station, the base station includes:

Receiving unit, for receiving interference coordination order from user equipment;The interference coordination order is that the user sets For according to interference coordination policy development;

Execution unit, for judging whether the interference coordination order meets default execution condition, when meeting according to institute It states interference coordination order and corresponding scheduling of resource operation is carried out to specified user equipment.

The embodiment of the present invention provides method, user equipment and the base station interfered between a kind of elimination user equipment, and first first User equipment obtains the first interference information of itself and receives the second user for generating most high reject signal in the user equipment of periphery The periphery interference information that equipment is sent selects interference coordination strategy according to the first interference information and periphery interference information, and sends Give second user equipment;Then, interference coordination policy development corresponding interference coordination order of each user equipment further according to selection Base station where being sent to respectively, finally provides specified user equipment when judging that interference coordination order is feasible by each base station Source scheduling, can be effectively reduced or eliminate positioned at interfering with each other between two user equipmenies under identical or different network.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of method flow schematic diagram one for interfering between eliminating user equipment provided in an embodiment of the present invention;

Fig. 2 is a kind of method flow schematic diagram two for interfering between eliminating user equipment provided in an embodiment of the present invention;

Fig. 3 is a kind of method flow schematic diagram three for interfering between eliminating user equipment provided in an embodiment of the present invention;

Fig. 4 is a kind of method flow schematic diagram four for interfering between eliminating user equipment provided in an embodiment of the present invention;

Fig. 5 is a kind of structural schematic diagram one of user equipment provided in an embodiment of the present invention;

Fig. 6 is a kind of structural schematic diagram two of user equipment provided in an embodiment of the present invention;

Fig. 7 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, as shown in Figure 1, this method comprises:

S101, the first user equipment are used after detecting the high reject signal from each periphery user equipment to each periphery The highest second user equipment of signal strength that high reject signal is generated in the equipment of family sends interaction instruction information.

Wherein, interaction instruction information is used to indicate second user equipment feedback periphery interference information.

S102, the first user equipment obtain the first interference information, and receive second user equipment and receiving interactive instruction The periphery interference information of transmission is fed back after information.

Wherein, when the first interference information includes that the first user equipment is communicated with base station where it, shared by signal of communication Running time-frequency resource;When periphery interference information includes that second user equipment is communicated with base station where it, shared by signal of communication Running time-frequency resource;

The running time-frequency resource that each user equipment signal occupies includes the user equipment when carrying out service communication with base station, communication Transmission Time Interval used in signal (Transmission Time Interval, TTI), time slot, frequency point and bandwidth etc..

S103, the first user equipment select interference coordination strategy according to the first interference information and periphery interference information.

Wherein, interference coordination strategy includes: channeling strategy, power adjustment strategy;

S104, the first user equipment send interference coordination order to place base station according to interference coordination strategy, and to second User equipment sends interference coordination strategy.

In this way, second user equipment is according to interference coordination plan so that base station carries out scheduling of resource according to interference coordination order Slightly it is adjusted.

S105, the first user equipment receive the scheduling of resource that base station is carried out according to interference coordination order.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, and the first user equipment obtains itself first The first interference information and receiving that the periphery that the second user equipment of most high reject signal is sent is generated in the user equipment of periphery is dry Disturb information;Interference coordination strategy is selected according to the first interference information and periphery interference information, and is sent to second user equipment;Most Base station where formulating interference coordination order afterwards and being sent to, so that base station is used when judging that the interference coordination order is feasible first Family equipment carries out scheduling of resource, can be effectively reduced or eliminate positioned under identical or different network between two user equipmenies It interferes with each other.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, as shown in Fig. 2, this method comprises:

S201, second user equipment receive the interaction instruction information that the first user equipment is sent, and to the first user equipment Feedback sends periphery interference information.

Wherein, interaction instruction information is the transmission of the first user equipment, is used to indicate the periphery interference of second user equipment feedback The instruction information of information;When periphery interference information includes that second user equipment is communicated with base station where it, signal of communication institute The running time-frequency resource of occupancy.

S202, second user equipment receive the interference coordination strategy that the first user equipment is sent, and according to interference coordination plan Slightly interference coordination order is sent to place base station.

In this way, so that place base station carries out scheduling of resource according to interference coordination order.

S203, second user equipment receive the scheduling of resource that base station is carried out according to interference coordination order.

The embodiment of the present invention provides a kind of method interfered between elimination user equipment, and second user equipment is receiving the first Itself periphery interference information is sent to the first user equipment after the interaction instruction information that one user equipment is sent, and then receives the The interference coordination strategy that one user equipment is sent according to the interference coordination policy development interference coordination order and is sent to place base It stands, so that base station carries out scheduling of resource to second user equipment when judging that the interference coordination order is feasible, can effectively drop Low or elimination is located at interfering with each other between two user equipmenies under identical or different network.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, as shown in figure 3, this method comprises:

S301, base station receive interference coordination order from user equipment.

Wherein, interference coordination order is user equipment according to interference coordination policy development.

S302, base station judge whether interference coordination order meets default execution condition, order when meeting according to interference coordination It enables and corresponding scheduling of resource operation is carried out to specified user equipment.

Wherein, presetting execution condition may include: when carrying out frequency range adjustment, to be designated as the resource of frequency range of user equipment distribution In schedulable state;Or, user equipment is reduced relative to the power integration of original state after the adjustment when carrying out power adjustment Value is less than predetermined power thresholding.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, and base station receives from user equipment dry first Coordination order is disturbed, corresponding scheduling of resource behaviour then is carried out to specified user equipment when judging that the interference coordination order is feasible Make, can be effectively reduced or eliminate positioned at interfering with each other between two user equipmenies under identical or different network.

In order to enable those skilled in the art to be more clearly understood that technical solution provided in an embodiment of the present invention, lead to below Specific embodiment is crossed, the method interfered another elimination user equipment provided in an embodiment of the present invention is carried out specifically It is bright, as shown in figure 4, this method comprises:

S401, the first UE obtain high reject signal.

Specifically, downlink data transmission performance decline of the first UE when detecting that itself receives data from place base station When, the downlink interference signal being able to detect that is scanned for, and obtain high reject signal.

Wherein, judge that the preset data performance indicator of data transmission performance can pass for the message transmission rate of UE or data The defeated bit error rate;First UE detect downlink data transmission performance, can for detection the first UE on downlink transmission data rate or under Row data transmission error rates, and the above-mentioned preset data performance indicator enumerated is exemplary only, including but not limited to this.

Illustratively, the first UE is detecting downlink transmission data rate less than scheduled rate threshold value or downlink data transmission The bit error rate is greater than default bit error rate threshold, that is, when showing that downlink data transmission performance declines by a big margin, searches for equipment itself energy All downlink interference signals enough detected, and count the signal strength of each interference signal, will wherein signal strength be greater than it is default The interference signal of intensity threshold is determined as high reject signal.

S402, the first UE obtain the first interference information of itself, and receive the periphery interference information that the 2nd UE is sent.

Specifically, judging to interfere source as the high reject signal of periphery UE if it exists, then the first UE passes through built in equipment Interference coordination unit (Interference Coordination Unite, ICU) obtains the first interference information of itself, and connects It receives and generates the periphery interference information that highest 2nd UE of high reject signal intensity is sent in each periphery UE.

Wherein, when the first interference information includes: the first UE and its place base station progress service communication, occupied by signal of communication Running time-frequency resource;When periphery interference information includes: each periphery UE and base station carries out service communication where it, occupied by signal of communication Running time-frequency resource.The running time-frequency resource that each user equipment signal occupies includes the user equipment when carrying out service communication with base station, Transmission Time Interval used in signal of communication (Transmission Time Interval, TTI), time slot, frequency point and bandwidth Deng.

Illustratively, since the possible source of any one high reject signal detected the first UE is a base station or one Periphery UE, and it is provided in an embodiment of the present invention eliminate interference method only for source be periphery UE interference signal at Reason, so the first UE judges the interference source of any high reject signal, can pass through:

Judge the high reject signal whether be specification pilot signal: if so, the source of the high reject signal is first The corresponding base station of cell or the corresponding base station in other peripheral cells where UE;Alternatively, if it is not, the then source of the high reject signal For the UE in the first UE place cell or other peripheral cells;Wherein, pilot signal be base station be measurement or monitoring purpose and The signal of transmission, usually single-frequency has the signal of pre-set specifications form, and the first UE can be by obtaining default rule from base station Model judges high reject signal.

Periphery UE can be any UE to the first UE generation signal strength greater than preset strength threshold interference signal;And week Side UE and the first UE can be identical network standard, or different systems;It can be located under identical or different network;It is different Network can be under different network formats, or under the identical or different standard network of the different operators network operation, It is not especially limited herein.

Further, after periphery UE is in the source for judging to detect one or more high reject signals, each source is obtained For the signal strength of the high reject signal of UE, and determine the wherein highest most high reject signal of signal strength;It is most capable and experienced according to this The cell ID and user identity information for including in signal are disturbed, the second of the corresponding interference source of the most high reject signal is determined as UE;

Wherein, user identity information includes: the IP address of UE, the address hardware (Media Access Control, MAC) Deng, and the above-mentioned user identity information enumerated is exemplary only, as long as being capable of providing mark, so that other UE or base station are determined Source and the information for establishing communication, all can serve as user identity information, including but not limited to this.

Illustratively, the first UE sends interaction instruction information to the 2nd UE by ICU, and interaction instruction information is used to indicate 2nd UE feeds back periphery interference information;2nd UE is after receiving interaction instruction information, by the ICU of equipment itself to first UE feeds back periphery interference information, so that the first UE carries out decision according to the first interference information and periphery interference information;

It is worth mentioning, the first UE is communicated by ICU with the ICU in each UE, and device-to-device can be passed through It forwards and realizes between (Device-to-Device, D2D) communication, Bluetooth technology or base station, and the above-mentioned communication mode enumerated is only Illustratively, including but not limited to this.

S403, the first UE obtain running time-frequency resource according to the first interference information and periphery interference information and occupy table.

Illustratively, the ICU of the first UE on the periphery of the first interference information and the 2nd UE that get the first UE, believe by interference After breath, according to the running time-frequency resource that each UE signal for including in each interference information occupies, statistics obtains running time-frequency resource and occupies table;

Wherein, running time-frequency resource occupancy table is the corresponding table for recording each UE with running time-frequency resource occupied by its signal, when according to this Frequency resource occupation table can analyze the running time-frequency resource that signal occupies when obtaining any UE and its place base station progress service communication, and The running time-frequency resource that part UE that may be present is occupied jointly.

S404, the first UE determine interference coordination strategy.

Illustratively, interference coordination strategy includes: channeling strategy, power adjustment strategy;And policy selection is preferential Grade channeling strategy is higher than power adjustment strategy.

Wherein, channeling strategy is to be scheduled to each UE resource of frequency range used, is again the first UE and the 2nd UE The resource of frequency range is distributed, so that frequency range spacing is maximum between the occupied two parts resource of frequency range of two UE;

Power adjustment strategy is to be adjusted to the signal power of UE, the signal power of second user equipment is reduced default Power difference;And the predetermined power difference can be system default setting value, or external input is given, does not limit herein It is fixed.

Illustratively, the ICU selection interference coordination strategy of the first UE may include:

Whether determination frequency multiplex strategy can be used, comprising: be judged between the first UE and the 2nd UE according to strategy execution record Whether the cumulative number that continuous use channeling strategy is coordinated is less than the first preset times, if being not less than, frequency is multiple It is unavailable with strategy, further coordinated using power adjustment strategy;Alternatively, if being less than, further according to running time-frequency resource It occupies table and judges between the occupied resource of frequency range of the first UE and the 2nd occupied resource of frequency range of UE whether frequency range spacing is most Greatly;If maximum, then channeling strategy is unavailable, is further coordinated using power adjustment strategy;If not alternatively, most Greatly, then channeling strategy is available, is coordinated using channeling strategy;

Wherein, coordinated using channeling strategy, comprising: the first UE and second is determined according to running time-frequency resource occupancy table UE distinguishes occupied resource of frequency range state, in all available frequency band resources, meets requirement most for the first UE distribution Small frequency value frequency point, and keep bandwidth constant;Meet the maximum frequency values frequency point of requirement for the 2nd UE distribution, and keeps band Width is constant;So that frequency range spacing reaches most between the occupied resource of frequency range of the first UE and the 2nd occupied resource of frequency range of UE Greatly, coordination strategy is determined.

Coordinated using power adjustment strategy, comprising: judged between the first UE and the 2nd UE according to strategy execution record Whether the cumulative number that continuous use power adjustment strategy is coordinated is less than the second preset times, if being not less than, power tune Whole strategy is unavailable, re-executes S402, and determines that signal strength is only second to the high reject signal of most high reject signal, this is strong The corresponding interference source of interference signal re-executes subsequent operation as the 2nd UE;Alternatively, further second is used if being less than The signal power of family equipment reduces predetermined power difference, determines coordination strategy.

Wherein, strategy execution is recorded as the selection saved in the ICU of the first UE and is coordinated using interference coordination strategy Historical record;First preset times continuous several times frequency of use multiplex strategy between the first UE and same 2nd UE carries out The cumulative number thresholding of coordination, the second preset times continuous several times between the first UE and same 2nd UE use power adjustment The cumulative number thresholding that strategy is coordinated;By setting preset times, interference coordination strategy can be determined to avoid in the first UE Afterwards, it causes interference with elimination operation since base station can not execute and falls into endless loop;And preset times can set for system default Value, or external input given value, herein without limitation.

It is worth mentioning, in the present embodiment, predetermined power difference can be 0.25dB.

Further, determining interference coordination strategy is sent to the ICU of the 2nd UE by the ICU of the first UE, so as to the 2nd UE It is adjusted according to the interference coordination strategy.

S405, each UE send interference coordination order to respective place base station.

Specifically, the first UE and the 2nd UE after obtaining interference coordination strategy, formulates specific interference coordination order, and to each Each interference coordination order is sent from the base station at place, so that each base station carries out resource to corresponding UE according to each interference coordination order Scheduling.

Wherein, interference coordination order can be the resource scheduling scheme to some UE formulated in each UE by ICU.As referred to Show that base station specifies the UE to reduce signal frequency in scheduling of resource for the specified a part of resource of frequency range of UE distribution or notice.And The interference coordination order that each UE is sent to place base station only carries out the scheme of scheduling of resource comprising the base station to itself.

Be worth mentioning, above-mentioned first UE and the 2nd UE respectively where base station, can be for positioned at identical or different network Under two different base stations.

S406, base station are received and are executed interference coordination order.

Specifically, judging that interference coordination order is after the interference coordination order that ICU is sent in receiving each UE of each base station It is no to meet default execution condition, if satisfied, then when carrying out scheduling of resource to specified UE next time, according to the interference coordination order Instruction to the UE carry out scheduling of resource.

Illustratively, presetting execution condition may include: when carrying out frequency range adjustment, to be designated as the frequency range of user equipment distribution Resource is in schedulable state;Or, user equipment is after the adjustment relative to the power integration of original state when carrying out power adjustment Decreasing value is less than predetermined power thresholding.

Wherein, schedulable state may include: the resource of frequency range be not allocated to any UE use, the resource of frequency range by It distributes to any UE but is carried out without business, there is the business of any UE to carry out but carrying out scheduling of resource next time in the resource of frequency range When can distribute to other UE;And the above-mentioned schedulable state enumerated is exemplary only, including but not limited to this, in implementation procedure In can be laid down a regulation according to the default settings or outside of base station execution, herein without limitation.

Illustratively, in the present embodiment, predetermined power thresholding can be 1dB.

It is worth mentioning, in an implementation mode, is recycled the method for carrying out above-mentioned S401 to S406 and carries out between UE Interference eliminate, thus realize the first UE and multiple and different 2nd UE between interfere reduce or eliminate, that is, reduce or eliminate position The interfering with each other between multiple user equipmenies under identical or different network;And if during carrying out certain primary interference operation, There are any most strong jamming UE to have carried out multiple under powered adjustment, accumulative decreasing value of the signal power relative to original state Not less than predetermined power thresholding, then power adjustment will not be carried out to the UE again, and then high reject signal will be generated in each periphery UE The periphery UE for being only second to the most strong jamming UE is chosen to be the 2nd UE and carries out subsequent operation.

The embodiment of the present invention provides a kind of method eliminated and interfered between user equipment, and the first user equipment first obtains itself The first interference information and receiving that the periphery that the second user equipment of most high reject signal is sent is generated in the user equipment of periphery is dry Information is disturbed, interference coordination strategy is selected according to the first interference information and each periphery interference information, and be sent to second user equipment; Then, each user equipment is sent to respective place further according to the corresponding interference coordination order of interference coordination policy development of selection Base station finally carries out scheduling of resource, Neng Gouyou to specified user equipment when judging that interference coordination order is feasible by each base station Reduce or eliminate positioned at interfering with each other between two user equipmenies under identical or different network to effect.

The embodiment of the present invention provides a kind of user equipment 01, as shown in figure 5, the user equipment 01 includes:

Indicating unit 011 is detected, for after detecting the high reject signal from each periphery user equipment, to each periphery The highest second user equipment of signal strength that high reject signal is generated in user equipment sends interaction instruction information.

Wherein, interaction instruction information is used to indicate second user equipment feedback periphery interference information.

Acquiring unit 012 for obtaining the first interference information, and receives second user equipment and is receiving interaction instruction letter The periphery interference information of transmission is fed back after breath.

Wherein, when the first interference information includes that user equipment 01 is communicated with base station where it, occupied by signal of communication Running time-frequency resource;When periphery interference information includes that second user equipment is communicated with base station where it, occupied by signal of communication Running time-frequency resource;

The running time-frequency resource that each user equipment signal occupies includes the user equipment when carrying out service communication with base station, communication Transmission Time Interval used in signal (Transmission Time Interval, TTI), time slot, frequency point and bandwidth etc..

Decision package 013, for selecting interference coordination strategy according to the first interference information and periphery interference information.

Wherein, interference coordination strategy includes: channeling strategy, power adjustment strategy;

Coordination unit 014 for sending interference coordination order to place base station according to interference coordination strategy, and is used to second Family equipment sends interference coordination strategy.

In this way, second user equipment is according to interference coordination plan so that base station carries out scheduling of resource according to interference coordination order Slightly it is adjusted.

Receive scheduling unit 015, the scheduling of resource carried out for receiving base station according to interference coordination order.

It should be noted that wherein dotted line indicates can have connection relationship between unit, it may not possess and directly connect Connect relationship, for example detection indicating unit 011 and acquiring unit 012 are contributed to and interacted outside equipment, detection instruction is single Member 011 can have sent interactive acquiring unit 012 after indicating information, can also not notify.

Optionally, detection indicating unit 011 can be specifically used for:

Preset data performance indicator is detected, when preset data performance indicator is lower than preset threshold, detection can be received All interference signals, and to signal strength in interference signal be greater than preset strength threshold value high reject signal judge;

When high reject signal be not specification pilot signal when, determine high reject signal source be periphery user equipment, Detect the high reject signal from periphery user equipment.

Optionally, detection indicating unit 011 can also be specifically used for:

The signal strength for detecting each high reject signal determines the highest most strong jamming letter of signal strength in each high reject signal Number, and the periphery user equipment as most high reject signal source is chosen to be second user equipment;

According to the user identity information in most high reject signal, interaction instruction information is sent to second user equipment, so as to Second user equipment feedback after receiving interaction instruction information sends the periphery interference information of itself.

Optionally, the optional interference coordination strategy of decision package 013 includes:

Channeling strategy, comprising: the resource of frequency range is distributed again for the first user equipment and second user equipment, so that two Frequency range spacing is maximum between two parts resource of frequency range used in a user equipment;

Power adjustment strategy, comprising: the signal power of second user equipment is reduced into predetermined power difference.

The embodiment of the present invention provides a kind of user equipment, obtains the first interference information of itself first and receives periphery user The periphery interference information that the second user equipment of most high reject signal is sent is generated in equipment, according to the first interference information and each week Side interference information selects interference coordination strategy, and is sent to second user equipment;It finally formulates interference coordination order and is sent to It place base station can so that base station carries out scheduling of resource to specified user equipment when judging that the interference coordination order is feasible It is effectively reduced or eliminates and be located at interfering with each other between two user equipmenies under identical or different network.

The embodiment of the present invention provides a kind of user equipment 02, as shown in fig. 6, the user equipment 02 includes:

Feedback unit 021 is received, for receiving the interaction instruction information of the first user equipment transmission, and is set to the first user Standby feedback sends periphery interference information.

Wherein, interaction instruction information is the transmission of the first user equipment, is used to indicate the periphery interference of second user equipment feedback The instruction information of information;When periphery interference information includes that user equipment 02 is communicated with base station where it, shared by signal of communication Running time-frequency resource.

Coordination unit 022 is received, for receiving the interference coordination strategy of the first user equipment transmission, and according to interference coordination Strategy sends interference coordination order to place base station.

In this way, so that place base station carries out scheduling of resource according to interference coordination order.

Receive scheduling unit 023, the scheduling of resource carried out for receiving base station according to interference coordination order.

The embodiment of the present invention provides a kind of user equipment, first in the interaction instruction information for receiving the transmission of the first user equipment The periphery interference information for sending itself to the first user equipment afterwards then receives the interference coordination plan of the first user equipment transmission It omits, according to the interference coordination policy development interference coordination order and is sent to place base station, so that base station is judging interference association Scheduling of resource is carried out to specified user equipment when adjusting order feasible, can be effectively reduced or eliminate positioned at identical or different net Interfering with each other between two user equipmenies under network.

The embodiment of the present invention provides a kind of base station 03, as shown in fig. 7, the base station 03 includes:

Receiving unit 031, for receiving interference coordination order from user equipment;Interference coordination order be user equipment according to Interference coordination policy development;

Execution unit 032, for judging whether interference coordination order meets default execution condition, when meeting according to interference Coordinate order and corresponding scheduling of resource operation is carried out to specified user equipment.

Wherein, presetting execution condition may include: when carrying out frequency range adjustment, to be designated as the resource of frequency range of user equipment distribution In schedulable state;Or, user equipment is reduced relative to the power integration of original state after the adjustment when carrying out power adjustment Value is less than predetermined power thresholding.

The embodiment of the present invention provides a kind of base station, receives interference coordination order from user equipment first, is then somebody's turn to do in judgement Corresponding scheduling of resource operation is carried out to specified user equipment when interference coordination order is feasible, can be effectively reduced or eliminate Positioned at interfering with each other between two user equipmenies under identical or different network.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.

In addition, each functional unit can integrate to be handled at one in equipment and system in each embodiment of the present invention In unit, being also possible to the independent physics of each unit includes that can also be integrated in one unit with two or more units. And above-mentioned each unit both can take the form of hardware realization, can also add the form of SFU software functional unit real using hardware It is existing.

This can be accomplished by hardware associated with program instructions for all or part of the steps of realization above method embodiment, preceding The program stated can be stored in a computer readable storage medium, and when being executed, execute includes that the above method is real to the program The step of applying;And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various can store The medium of program code.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (12)

1. a kind of eliminate the method interfered between user equipment characterized by comprising
First user equipment is after detecting the high reject signal from each periphery user equipment, to each periphery user equipment The middle highest second user equipment of signal strength for generating high reject signal sends interaction instruction information;
First user equipment obtains the first interference information, and receives second user equipment and receiving the interaction instruction letter The periphery interference information of transmission is fed back after breath;First interference information includes the time-frequency that the first user equipment signal occupies Resource;The periphery interference information includes the running time-frequency resource that the second user device signal occupies;
First user equipment selects interference coordination strategy according to first interference information and the periphery interference information;Institute Stating interference coordination strategy includes: channeling strategy, power adjustment strategy;
First user equipment sends interference coordination order to place base station according to the interference coordination strategy, so as to the base It stands and carries out scheduling of resource according to the interference coordination order, and send the interference coordination strategy to the second user equipment, So that the second user equipment is adjusted according to the interference coordination strategy;
First user equipment receives the scheduling of resource that the base station is carried out according to the interference coordination order.
2. the method according to claim 1, wherein described detect the strong jamming from each periphery user equipment Signal includes:
First user equipment detects preset data performance indicator, when the preset data performance indicator is lower than preset threshold When, all interference signals that can be received are detected, and preset strength threshold value is greater than to signal strength in the interference signal The high reject signal is judged;
If the high reject signal is not the pilot signal of specification, it is determined that the source of the high reject signal is that periphery user sets It is standby, detect the high reject signal from periphery user equipment.
3. according to the method described in claim 2, it is characterized in that, described generate strong jamming into each periphery user equipment The highest second user equipment of the signal strength of signal sends interaction instruction information
First user equipment detects the signal strength of each high reject signal, determines described in each high reject signal The highest most high reject signal of signal strength, and the periphery user equipment as the most high reject signal source is chosen to be institute State second user equipment;
First user equipment is according to the user identity information in the most high reject signal, Xiang Suoshu second user equipment hair The interaction instruction information is sent, so that feedback sends itself to the second user equipment after receiving the interaction instruction information The periphery interference information.
4. method according to claim 1, which is characterized in that
The channeling strategy includes: to distribute frequency range money again for first user equipment and the second user equipment Source, so that frequency range spacing is maximum between two parts resource of frequency range used in two user equipmenies;
The power adjustment strategy includes: that the signal power of the second user equipment is reduced predetermined power difference.
5. a kind of eliminate the method interfered between user equipment, which is characterized in that the described method includes:
First user equipment obtains the first interference information, and receives second user equipment and feed back after receiving interaction instruction information The periphery interference information of transmission;First interference information includes the running time-frequency resource that the first user equipment signal occupies;
First user equipment selects interference coordination strategy according to first interference information and the periphery interference information;
The second user equipment receives the interaction instruction information that the first user equipment is sent, and sets to first user Standby feedback sends periphery interference information;The periphery interference information includes the time-frequency money that the second user device signal occupies Source;
The second user equipment receives the interference coordination strategy that the first user equipment is sent, and according to the interference coordination strategy Interference coordination order is sent to place base station, so that the base station carries out scheduling of resource according to the interference coordination order;
The second user equipment receives the scheduling of resource that the base station is carried out according to the interference coordination order.
6. a kind of eliminate the method interfered between user equipment, which is characterized in that the described method includes:
First user equipment is after detecting the high reject signal from each periphery user equipment, to each periphery user equipment The middle highest second user equipment of signal strength for generating high reject signal sends interaction instruction information;
First user equipment obtains the first interference information, and receives second user equipment and receiving the interaction instruction letter The periphery interference information of transmission is fed back after breath;First interference information includes the time-frequency that the first user equipment signal occupies Resource;The periphery interference information includes the running time-frequency resource that the second user device signal occupies;
First user equipment selects interference coordination strategy according to first interference information and the periphery interference information;Institute Stating interference coordination strategy includes: channeling strategy, power adjustment strategy;
First user equipment sends interference coordination order to place base station according to the interference coordination strategy, and base station is from user Equipment receives the interference coordination order;The interference coordination order is the user equipment according to interference coordination policy development 's;
The base station judges whether the interference coordination order meets default execution condition, when meeting according to the interference coordination It orders and corresponding scheduling of resource operation is carried out to specified user equipment.
7. a kind of user equipment, which is characterized in that the user equipment includes:
Indicating unit is detected, for being used after detecting the high reject signal from each periphery user equipment to each periphery The highest second user equipment of signal strength that high reject signal is generated in the equipment of family sends interaction instruction information;
Acquiring unit for obtaining the first interference information, and receives second user equipment and is receiving the interaction instruction information The periphery interference information of transmission is fed back afterwards;First interference information includes the running time-frequency resource that the user equipment signal occupies; The periphery interference information includes the running time-frequency resource that the second user device signal occupies;
Decision package, for selecting interference coordination strategy according to first interference information and the periphery interference information;It is described Interference coordination strategy includes: channeling strategy, power adjustment strategy;
Coordination unit, for sending interference coordination order to place base station according to the interference coordination strategy, so as to the base station Scheduling of resource is carried out according to the interference coordination order, and sends the interference coordination strategy to the second user equipment, with Toilet is stated second user equipment and is adjusted according to the interference coordination strategy;
Receive scheduling unit, the scheduling of resource carried out for receiving the base station according to the interference coordination order.
8. user equipment according to claim 7, which is characterized in that the detection indicating unit is specifically used for:
Preset data performance indicator is detected, when the preset data performance indicator is lower than preset threshold, detection can be received All interference signals, and to signal strength in the interference signal be greater than preset strength threshold value the high reject signal carry out Judgement;
When the high reject signal is not the pilot signal of specification, determine that the source of the high reject signal is that periphery user sets It is standby, detect the high reject signal from periphery user equipment.
9. user equipment according to claim 8, which is characterized in that the detection indicating unit also particularly useful for:
The signal strength for detecting each high reject signal determines that signal strength described in each high reject signal is highest most High reject signal, and the periphery user equipment as the most high reject signal source is chosen to be the second user equipment;
According to the user identity information in the most high reject signal, Xiang Suoshu second user equipment sends the interaction instruction letter Breath, so as to the periphery interference letter of second user equipment feedback transmission itself after receiving the interaction instruction information Breath.
10. user equipment according to claim 7, which is characterized in that
The channeling strategy includes: to distribute the resource of frequency range again for the user equipment and the second user equipment, is made It is maximum to obtain frequency range spacing between two parts resource of frequency range used in two user equipmenies;
The power adjustment strategy includes: that the signal power of the second user equipment is reduced predetermined power difference.
11. a kind of user equipment, which is characterized in that the user equipment includes the first user equipment and second user equipment,
First user equipment includes:
Acquiring unit for obtaining the first interference information, and receives the second user equipment and is receiving interaction instruction information The periphery interference information of transmission is fed back afterwards;First interference information includes the running time-frequency resource that the user equipment signal occupies;
Decision package, for selecting interference coordination strategy according to first interference information and the periphery interference information;
The second user equipment includes:
Feedback unit is received, the interaction instruction information sent for receiving first user equipment, and to described first User equipment feedback sends periphery interference information;The periphery interference information includes the time-frequency money that the user equipment signal occupies Source;
Coordination unit is received, for receiving the interference coordination strategy of the first user equipment transmission, and according to the interference coordination plan Interference coordination order slightly is sent to place base station, so that the base station carries out scheduling of resource according to the interference coordination order;
Receive scheduling unit, the scheduling of resource carried out for receiving the base station according to the interference coordination order.
12. a kind of system for interfering between eliminating user equipment, which is characterized in that including the first user equipment and base station,
First user equipment includes:
Indicating unit is detected, for being used after detecting the high reject signal from each periphery user equipment to each periphery The highest second user equipment of signal strength that high reject signal is generated in the equipment of family sends interaction instruction information;
Acquiring unit for obtaining the first interference information, and receives second user equipment and is receiving the interaction instruction information The periphery interference information of transmission is fed back afterwards;First interference information includes the running time-frequency resource that the user equipment signal occupies; The periphery interference information includes the running time-frequency resource that the second user device signal occupies;
Decision package, for selecting interference coordination strategy according to first interference information and the periphery interference information;It is described Interference coordination strategy includes: channeling strategy, power adjustment strategy;
Coordination unit, for sending interference coordination order to place base station according to the interference coordination strategy;
The base station includes:
Receiving unit, for receiving interference coordination order from user equipment;The interference coordination order is the user equipment root According to interference coordination policy development;
Execution unit, for judging whether the interference coordination order meets default execution condition, when meeting according to described dry It disturbs and coordinates order to the specified corresponding scheduling of resource operation of user equipment progress.
CN201410172391.5A 2014-04-25 2014-04-25 Method, user equipment and the base station interfered between a kind of elimination user equipment CN105101442B (en)

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US9026164B2 (en) * 2009-10-13 2015-05-05 Qualcomm Incorporated Selective transmission of power decision pilot in a wireless communication system
CN102264082A (en) * 2010-05-26 2011-11-30 鼎桥通信技术有限公司 Interference coordination method
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