CN104768184A - Household base station energy saving and interference suppression method and system based on scale deployment - Google Patents
Household base station energy saving and interference suppression method and system based on scale deployment Download PDFInfo
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- CN104768184A CN104768184A CN201510213107.9A CN201510213107A CN104768184A CN 104768184 A CN104768184 A CN 104768184A CN 201510213107 A CN201510213107 A CN 201510213107A CN 104768184 A CN104768184 A CN 104768184A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a household base station energy saving and interference suppression method and system based on scale deployment and relates to the field of mobile communication. The household base station energy saving and interference suppression method based on scale deployment comprises the steps that a household base station cluster composed of at least two household base stations is included, one household base station is set as the cluster head household base station, the rest of the household base stations are set as cluster member household base stations, the cluster head household base station works in an activated state, and the cluster member household base stations can be switched in the activated state or a ready dormant state or a dormant state. The cluster member household base stations are used for carrying out scale deployment with the cluster head household base station to form a household base station system and comprise communication service modules, statistic modules, decision-making modules, system interaction modules and executing modules. The cluster head household base station is used for carrying out scale deployment with the cluster member household base stations to form the household base station system and comprises a communication service module, a statistic module, a system interaction module and an executing module.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of Home eNodeB based on Scaledeployment energy-conservation with disturbance restraining method, Home eNodeB and family base station system.
Background technology
Home eNodeB (Femtocell), is named again and flies honeycomb, is a kind of femtocell.It is towards the indoor environment of house or enterprise, for specific user provides the wireless access service of high data rate in effective coverage range, generally be connected to operator core network by wired broadband network, support indoor speech business and data service with this, be therefore specially adapted to large scale deployment has high requirements in certain geographic range to indoor communications business scene in company, factory etc.
But, because Home eNodeB has the functions such as self-configuring self-optimizing and plug and play that power on, when user buy voluntarily and deploy numerous without the Home eNodeB of planning and configuration after, inevitably will introduce serious interference in a network.In addition, due to mobility and the use habit of user, communication service is had " tidal effect ".In the different time periods, can there is larger fluctuation in business load.For the unit of the meeting such as company, factory Scaledeployment Home eNodeB in certain area, because disposed Home eNodeB quantity is more, coverage also often has certain overlap, therefore when business is at a low ebb, the object that can reach energy-conservation by the Home eNodeB of some free time of closedown of intelligence and disturb between suppression adjacent base station.
Chinese patent CN102378324A discloses and a kind ofly controls the energy-conservation method of Home eNodeB, system, Home eNodeB and network element, propose a kind of energy-saving scheme and corresponding device, the Home eNodeB making load lower enters dormancy, when femtocell user terminal needs the Home eNodeB in dormancy to provide service, be responsible for the Home eNodeB waken up in dormancy by associated NE.Although this scheme reaches energy-conservation object, there is certain defect.After Home eNodeB enters dormancy, it cannot be the femtocell user Terminal for service in coverage.When femtocell user terminal has communication requirement, if this user terminal is in the coverage of surrounding associated network element, then can provide service by associated NE, or wake the Home eNodeB in dormancy up by associated NE; And if this user terminal is not in the coverage of surrounding associated network element, or associated NE around also enters dormancy, then Home eNodeB and associated NE all cannot find the existence of this user terminal, also cannot provide service in time.That is, after Home eNodeB enters dormancy, can produce and cover cavity, the communication requirement meeting user can not be ensured.
Summary of the invention
The embodiment of the present invention, for the feature of the Home eNodeB of Scaledeployment, provides a kind of Home eNodeB based on Scaledeployment energy-conservation and disturbance restraining method.
The energy-conservation method with AF panel of the described Home eNodeB based on Scaledeployment, comprise the Home eNodeB bunch of at least two Home eNodeB compositions, and one of them Home eNodeB is set to cluster head Home eNodeB, all the other Home eNodeB are set to bunch member's Home eNodeB, described cluster head Home eNodeB is operated in state of activation, described bunch of member's Home eNodeB is changeable is state of activation, preparation resting state or resting state, comprises the following steps:
100, the traffic transmission situation information in bunch member's Home eNodeB periodicity detection coverage of state of activation is in;
Whether 110, described bunch of member's Home eNodeB statistics is in a sense cycle, have femtocell user terminal request to carry out traffic transmission in coverage; If have, then described bunch member's Home eNodeB keeps state of activation, if nothing, then enters step 120;
120, bunch member's Home eNodeB switches to preparation resting state, and the concurrent preparation resting state signaling that is fed into is to cluster head Home eNodeB;
130, bunch member's Home eNodeB continues to detect within second round in coverage whether have femtocell user terminal request to carry out traffic transmission, if any, then bunch member's Home eNodeB switches to state of activation, otherwise, enter step 140;
140, bunch member's Home eNodeB sends and enters resting state demand signalling to cluster head Home eNodeB, and after receiving the confirmation signaling of cluster head Home eNodeB, switches to resting state;
150, described cluster head Home eNodeB confirms after signaling in transmission, improves the control channel power of cluster head Home eNodeB, with the original coverage of dormancy Home eNodeB in covering bunch.
Energy-conservation and the disturbance restraining method of Home eNodeB based on Scaledeployment, by will bunch member's Home eNodeB of service communication do not had to switch to resting state, it is made temporarily to quit work, to reduce power consumption, thus reach energy-conservation object, decrease its signal disturbing to other Home eNodeB or macro base station.Meanwhile, by increasing the control channel power of cluster head Home eNodeB, avoiding bunch member's Home eNodeB coverage being in resting state and occurring covering cavity, ensure that the communication requirement of domestic user terminal.
For implementing said method, the embodiment of the present invention also provides a kind of bunch member's Home eNodeB, for forming family base station system with cluster head Home eNodeB Scaledeployment, comprising:
Communication service module: the wireless signal for same family base station user terminal room is received and dispatched;
Statistical module: in the statistic mixed-state cycle, in its coverage, femtocell user terminal request carries out traffic transmission situation;
Decision-making module: for the statistics according to statistical module, judges whether to need to carry out operating state switching, and generates operating state hand off signaling, send to system interaction module;
System interaction module: for sending work state information and handover request to cluster head Home eNodeB, and receive the control signal of cluster head Home eNodeB;
Executive Module: for the cluster head Home eNodeB control signal received according to system interaction module, carry out operating state switching, and the control channel power regulating communication service module.
Based on the same object implementing said method, the embodiment of the present invention also provides a kind of cluster head Home eNodeB, for forming family base station system with bunch member's Home eNodeB Scaledeployment, comprising:
Communication service module: the wireless signal for same family base station user terminal room is received and dispatched;
Statistical module: for adding up a bunch liveness for member's Home eNodeB;
System interaction module: for receiving bunch work state information of member's Home eNodeB transmission and a request, and the control signal of cluster head Home eNodeB is sent to bunch member's Home eNodeB;
Decision-making module: the operating state hand off signaling that bunch member's Home eNodeB for receiving according to system interaction module sends, formation control instruction, is sent to system interaction module and Executive Module;
Executive Module: for the control command according to decision-making module, regulates the control channel power of communication service module in bunch member's Home eNodeB coverage, and controls the access of user terminal.
The embodiment of the present invention additionally provides the family base station system based on Scaledeployment be made up of above-mentioned cluster head Home eNodeB and bunch member's Home eNodeB.
Accompanying drawing explanation
Fig. 1 is energy-conservation with interference suppression equipment with the concrete enforcement scene schematic diagram of method based on the Home eNodeB of Scaledeployment;
Fig. 2 is energy-conservation with disturbance restraining method schematic flow sheet based on the Home eNodeB of Scaledeployment;
Fig. 3 is energy-conservation with disturbance restraining method entire flow schematic diagram based on the Home eNodeB of Scaledeployment;
Fig. 4 is bunch member's Home eNodeB schematic diagram;
Fig. 5 is cluster head Home eNodeB schematic diagram;
Fig. 6 is family base station system schematic diagram.
Embodiment
Embodiment will by reference to the accompanying drawings below, is described in detail with disturbance restraining method, Home eNodeB and system the Home eNodeB that the present invention is based on Scaledeployment is energy-conservation.
Home eNodeB owner is Scaledeployment at least 2 Home eNodeB in certain area, and be divided into several Home eNodeB bunch according to the geographical position of each Home eNodeB and coverage, cluster head Home eNodeB is arranged to each Home eNodeB bunch, all the other Home eNodeB are bunch member's Home eNodeB, by geographical position adjacent and can the Home eNodeB that covers by the maximum transmission power of cluster head Home eNodeB control channel be subdivided into the same family base station bunch, its application scenarios is as Fig. 1.
As shown in Figure 1,4 offices 1 ~ 4 of Home eNodeB owner in Administrative Area deploy 4 Home eNodeB, and these four Home eNodeB can form one family base station bunch.Arrange Home eNodeB 1 for cluster head Home eNodeB, all the other 3 Home eNodeB 2 ~ 4 are bunch member's Home eNodeB.
The Home eNodeB number provided due to this scene is less, actual implement in Home eNodeB that is geographical position is adjacent or overlapped coverage to be divided into the scene of one family base station bunch multiple in addition, list herein but be not limited to following several:
Such as, every layer of a building all deploys multiple Home eNodeB, can will be deployed in every one deck or certain which floor Home eNodeB is divided into one family base station bunch;
Again such as, comprise multiple departments of multiple different enterprise or same enterprise in a building, the Home eNodeB belonging to same department or same enterprise can be divided into one family base station bunch;
Again such as, in a slice building area, comprise some tight adjacent buildings, in every building, deploy several Home eNodeB, the Home eNodeB being deployed in every building can be divided into one family base station bunch.
Wherein, bunch member's Home eNodeB adopts two grades of transmitting powers, one grade of transmitting power that general employing is lower; Three kinds of operating states are set: state of activation, preparation resting state, resting state.
Cluster head Home eNodeB is provided with many grades of transmitting powers, and one grade of transmitting power numerical value that wherein minimum one grade of transmitting power is lower with bunch member's Home eNodeB is equal, and cluster head Home eNodeB is initially set to minimum one grade of transmitting power.Cluster head Home eNodeB only arranges a kind of operating state of state of activation.
State of activation is the state that Home eNodeB normally works, now the control channel of Home eNodeB and Traffic Channel all in running order.And the resting state temporary transient out-of-work state that is Home eNodeB, now the control channel of Home eNodeB and Traffic Channel are all in closed condition.
Preparation resting state is the transition state between state of activation and resting state.Within the duration of this transition state, bunch member's Home eNodeB closes Traffic Channel, only retain control channel and whether occur new traffic transmission demand to detect in overlay area, and carry out a series of preparations of state switching with cluster head Home eNodeB, the signalling communication switched as state and confirmation.
The present invention is based on the energy-conservation flow process with the method for AF panel of the Home eNodeB of Scaledeployment, as shown in Figure 2.Based on the application scenarios of above-mentioned Home eNodeB, comprise the Home eNodeB bunch of at least two Home eNodeB compositions, and one of them Home eNodeB is set to cluster head Home eNodeB, all the other Home eNodeB are set to bunch member's Home eNodeB, described cluster head Home eNodeB is operated in state of activation, described bunch of member's Home eNodeB is changeable is state of activation, preparation resting state or resting state, comprises the following steps:
100, the traffic transmission situation information in bunch member's Home eNodeB periodicity detection coverage of state of activation is in;
As in Fig. 1, bunch member's Home eNodeB 2 ~ 4 be in state of activation periodically detects traffic transmission information in coverage.
Whether 110, described bunch of member's Home eNodeB statistics is in a sense cycle, have femtocell user terminal request to carry out traffic transmission in coverage; If have, then described bunch member's Home eNodeB keeps state of activation, if nothing, then enters step 120;
The coverage internal memory of bunch member's Home eNodeB 2 and bunch member's Home eNodeB 3 is in femtocell user terminal, and bunch member's Home eNodeB 2 and bunch member's Home eNodeB 3 keep state of activation.
There is not femtocell user terminal in the coverage of bunch member's Home eNodeB 4, within a sense cycle T, in the coverage of bunch member's Home eNodeB 4, do not have femtocell user terminal request to carry out traffic transmission.
120, bunch member's Home eNodeB switches to preparation resting state, and the concurrent preparation resting state signaling that is fed into is to cluster head Home eNodeB;
130, bunch member's Home eNodeB continues to detect within second round in coverage whether have femtocell user terminal request to carry out traffic transmission, if any, then bunch member's Home eNodeB switches to state of activation, otherwise, enter step 140;
Bunch member's Home eNodeB 4 transfers preparation resting state to by state of activation, sends signaling report enter preparation resting state to cluster head Home eNodeB 1.Bunch member's Home eNodeB 4 closes Traffic Channel, only retains control channel, continues to detect in overlay area whether occur new communication service request, and its detection time is T
d.If at T detection time
dinside detected that femtocell user terminal needs to carry out communication service, then bunch member's Home eNodeB 4 will switch to state of activation, if still do not detected that femtocell user terminal needs to carry out communication service, then enter next step.
140, bunch member's Home eNodeB sends and enters resting state demand signalling to cluster head Home eNodeB, and after receiving the confirmation signaling of cluster head Home eNodeB, switches to resting state;
At T detection time
din, do not have femtocell user terminal to initiate service request to bunch member's Home eNodeB 4, bunch member's Home eNodeB 4 sends signaling report to cluster head Home eNodeB 1 and enters resting state, and cluster head Home eNodeB 1 is replied signaling response and agreed to dormancy.Bunch member's Home eNodeB 4 transfers resting state to by preparation resting state and wireless communication resources shared by release.
150, described cluster head Home eNodeB is after transmission confirms signaling, improves the control channel power covered within the scope of bunch member's Home eNodeB.
Cluster head Home eNodeB 1 promotes the transmitting power of control channel, the covering cavity produced after filling up bunch member's Home eNodeB 4 dormancy.
Preferably, after bunch member's Home eNodeB enters resting state, only promote cluster head Home eNodeB transmitting power on a control channel to guarantee new traffic demands to be detected in time, but asynchronously promote the transmitting power of cluster head Home eNodeB in Traffic Channel.The covering cavity stayed after so both can having covered bunch member's Home eNodeB dormancy, can not improve again the traffic channel transmission power of cluster head Home eNodeB, in order to avoid cause cluster head Home eNodeB to exceed load.
Preferably, described method is further comprising the steps of:
160, when the user terminal being in the family base station overlay area of resting state has a traffic demands, Home eNodeB is around detected, and according to the Home eNodeB signal strength signal intensity detected, the Home eNodeB access that the signal power selecting to meet access conditions is the strongest.
Preferably, described femtocell user terminal selects the Home eNodeB of access as follows:
161, the Home eNodeB of requested access is that to be in state of activation, signal power the strongest and can meet bunch member's Home eNodeB of femtocell user terminal communication demand, then femtocell user terminal performs normal access process; Otherwise enter step 162;
162, the Home eNodeB of requested access is that to be in preparation resting state, signal power the strongest and can meet bunch member's Home eNodeB of femtocell user terminal communication demand, then bunch member's Home eNodeB stops preparation resting state, transfers state of activation to; Otherwise enter step 163;
163, the Home eNodeB of requested access is cluster head Home eNodeB, then the received signal strength fed back according to user terminal and Home eNodeB neighboring BS relationship are determined its target household base station finally accessed by cluster head Home eNodeB.
If 164 target household base stations are judged as cluster head Home eNodeB, then user terminal directly accesses; Otherwise enter step 165;
165, the selected target household base station of cluster head Home eNodeB notice performs corresponding actions, as shown in table 1, to meet user terminal access demand.
The operating state change of table 1 target household base station
Be specially, if occur in the coverage of bunch member's Home eNodeB 4 in dormancy, femtocell user terminal needs communication, described user terminal measurement from around Home eNodeB received signal power intensity and by from sorting to weak by force, to determine its Home eNodeB accessed.If user terminal judges to be in, to there is signal strength signal intensity among the Home eNodeB 2 of state of activation or Home eNodeB 3 the strongest and be enough to meet the Home eNodeB of communication requirement, then user terminal accesses this Home eNodeB.Otherwise initiate service request to cluster head Home eNodeB 1, measurement result is sent to cluster head Home eNodeB 1.Cluster head Home eNodeB 1 determines the target household base station that described femtocell user terminal finally accesses, and the corresponding actions that indicating target Home eNodeB is taked is as shown in table 1.
In the present embodiment, if bunch member's Home eNodeB 2 is chosen as target household base station, cluster head Home eNodeB 1 sends signaling instruction bunch member's Home eNodeB 2 and adopts higher one grade of transmitting power to be femtocell user Terminal for service, and bunch member's Home eNodeB 4 keeps resting state.As required that Home eNodeB 2 adopts higher one grade of transmitting power without new communication request, then, after communication service terminates, power is recalled to lower one grade by Home eNodeB 2.
In the present embodiment, if bunch member's Home eNodeB 2 all can not meet described user terminal demand with the quorum sensing inhibitor intensity of bunch member's Home eNodeB 3, then cluster head Home eNodeB 1 sends signaling wakeup bunch member's Home eNodeB 4, again distribute wireless communication resources for bunch member's Home eNodeB 4, bunch member's Home eNodeB 4 transfers state of activation to by resting state.
Preferably, before carry out step 100, also comprise the steps:
The traffic transmission situation information detected is preserved and is sent to cluster head Home eNodeB by bunch member's Home eNodeB;
Cluster head Home eNodeB adds up each bunch of member's Home eNodeB liveness, and described liveness is the statistics duration acquisition being in state of activation according to each bunch of member's Home eNodeB every day.Be in bunch member's Home eNodeB that state of activation duration is longer average every day, its liveness is higher.
Preferably, in step 165, cluster head Home eNodeB wakes bunch member's Home eNodeB in resting state up, then cluster head Home eNodeB estimates its position according to the field intensity of femtocell user terminal, to bunch member's Home eNodeB be in around estimation position in dormancy, sort from high to low by liveness, and wake up successively, till femtocell user terminal access signal strength signal intensity is enough to meet the Home eNodeB of its demand for services.Meanwhile, cluster head Home eNodeB reduces it and is being waken up the control channel power of Home eNodeB coverage.
Be illustrated in figure 3 the energy-conservation entire flow with disturbance restraining method of Home eNodeB based on Scaledeployment.
First have and buy or use the Home eNodeB owner of Home eNodeB to need to dispose at least plural Home eNodeB of Scaledeployment in the certain area of Home eNodeB at it.And carry out sub-clustering by owner according to the coverage power of certain geographic range or Home eNodeB, one of them base station is set to cluster head Home eNodeB, and to set its operating state be state of activation, all the other Home eNodeB are bunch member's Home eNodeB, it can switch to state of activation, preparation resting state and resting state respectively, and default all bunches of member's Home eNodeB are all state of activation;
Communication service situation in bunch its coverage of member's Home eNodeB cycle detection;
Bunch member's Home eNodeB statistic mixed-state cycle T
dinside whether have the traffic transmission demand of Home eNodeB terminal use;
If judge to exist, then this bunch of member's Home eNodeB keeps state of activation;
If judge do not exist, then this bunch of member's Home eNodeB enters preparation resting state, concurrent be fed into preparation resting state signaling to cluster head Home eNodeB;
Bunch member's Home eNodeB continues T detection time
dinside whether there is the traffic transmission demand of Home eNodeB terminal use;
If existed, then this bunch of member's Home eNodeB switches to state of activation;
If there is no, then this bunch of member's Home eNodeB switches to resting state;
Cluster head Home eNodeB improves the power of its control channel, continues whether occur traffic transmission demand in monitoring this bunch of member's Home eNodeB coverage;
If not there is traffic demands, then this bunch of member's Home eNodeB continues to keep resting state;
In the event of traffic demands, then this cluster head Home eNodeB judges the target BS that user terminal accesses;
Cluster head Home eNodeB judges that bunch member's Home eNodeB being in state of activation by other provides traffic transmission as this femtocell user terminal, still needs to wake bunch member's Home eNodeB that this is in resting state up;
If cluster head Home eNodeB judges to provide service by other Home eNodeB, then make this femtocell user terminal access member's Home eNodeB that this bunch is in state of activation, otherwise, wake bunch member's Home eNodeB that this is in resting state up, making it be in state of activation is also Home eNodeB end users with services.
The embodiment of the present invention provides a kind of bunch member's Home eNodeB forming family base station system for Home eNodeB Scaledeployment, as shown in Figure 4, comprise the communication service module 211, statistical module 212, decision-making module 213, system interaction module 214 and the Executive Module 215 that connect successively, decision-making module 213 also connects Executive Module 215 simultaneously, Executive Module 215 connects communication service module 211, and statistical module 212 goes back connected system interactive module 214;
Communication service module 211: the wireless signal for same family base station user terminal room is received and dispatched;
Statistical module 212: carry out traffic transmission situation for periodically adding up femtocell user terminal request in its coverage;
Decision-making module 213: for the statistics according to statistical module, judges whether to need to carry out operating state switching, and generates operating state switching command, send to system interaction module;
System interaction module 214: for sending operating state hand off signaling to cluster head Home eNodeB, and receive the control signal of cluster head Home eNodeB;
Executive Module 215: for the cluster head Home eNodeB control signal received according to system interaction module, carry out operating state switching, and the control channel power regulating communication service module.
Preferably, described statistical module 212 is also for collecting and store the testing result of femtocell user terminal to neighboring home base station signal strength.
Preferably, the femtocell user terminal testing result to neighboring home base station signal strength of described system interaction module 214 also for statistical module 212 is collected and stored is sent to cluster head Home eNodeB.
The embodiment of the present invention provides a kind of cluster head Home eNodeB forming family base station system for Home eNodeB Scaledeployment, as shown in Figure 5, comprise the communication service module 311, statistical module 312, decision-making module 313, system interaction module 314 and the Executive Module 315 that connect successively, decision-making module 313 also connects Executive Module 315 simultaneously, connect Executive Module 315 and also connect communication service module 311, system interaction module also connects decision-making module 313 and statistical module 312;
Communication service module 311: the wireless signal for same family base station user terminal room is received and dispatched;
Statistical module 312: for adding up a bunch liveness for member's Home eNodeB;
Decision-making module 313: the operating state hand off signaling that bunch member's Home eNodeB for receiving according to system interaction module sends, formation control instruction, is sent to system interaction module 314 and Executive Module 315;
System interaction module 314: for receiving the operating state hand off signaling that bunch member's Home eNodeB sends, and the control signal of cluster head Home eNodeB is sent to bunch member's Home eNodeB;
Executive Module 315: for the control command according to decision-making module, regulates the control channel power of communication service module in bunch member's Home eNodeB coverage, and controls the access of user terminal.
Preferably, described statistical module 312 also for collect and store bunch member's Home eNodeB operating condition, and bunch in femtocell user terminal to the testing result of neighboring home base station signal strength;
Described statistical module 312 is for adding up each bunch of member's Home eNodeB liveness, described liveness is that the duration being in state of activation according to each bunch of member's Home eNodeB every day (point at zero point to 24) draws, bunch member's Home eNodeB liveness being in state of activation duration average every day longer is higher.
Described decision-making module 313 is for when the user terminal of the family base station overlay area being in resting state initiates access request to cluster head Home eNodeB, according to this femtocell user terminal detect bunch in Home eNodeB signal strength signal intensity, select its target access base station and determine corresponding actions, being specially:
Cluster head Home eNodeB is by the received signal strength that feeds back according to user terminal and Home eNodeB neighboring BS relationship, determining whether by improving one grade of Home eNodeB transmitting power, this user terminal finally being accessed and is in state of activation or is in bunch member's Home eNodeB preparing resting state;
When can only be provided service by bunch member's Home eNodeB being in resting state, cluster head Home eNodeB activates bunch member's Home eNodeB being in resting state, and this femtocell user terminal is accessed this bunch of member's Home eNodeB.
As shown in Figure 6, the embodiment of the present invention additionally provides the family base station system based on Scaledeployment, namely comprises the cluster head family value in above-described embodiment and bunch member's Home eNodeB.This family base station system by multiple Home eNodeB is combined into Home eNodeB bunch, and is interacted by the method for above-described embodiment, reaches energy-conservation, suppresses interference and fills up the technique effect in communication overlay cavity.
Preferably, cluster head Home eNodeB and bunch member's Home eNodeB can be separate Home eNodeB products.
Meanwhile, due to bunch member's Home eNodeB and cluster head Home eNodeB, there is identical structure, cluster head Home eNodeB and bunch member's Home eNodeB required function can be integrated in the same family base station equipment.When carrying out Home eNodeB networking and forming Home eNodeB bunch, enable corresponding function as required, Home eNodeB is set to bunch member's Home eNodeB or cluster head Home eNodeB.
The above is only the preferred embodiment of the present invention; it should be pointed out that the technical staff for technology neighborhood, under the premise without departing from the principles of the invention; can also make some changes and retouching, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. method with AF panel energy-conservation based on the Home eNodeB of Scaledeployment, it is characterized in that: the Home eNodeB bunch comprising at least two Home eNodeB compositions, and one of them Home eNodeB is set to cluster head Home eNodeB, all the other Home eNodeB are set to bunch member's Home eNodeB, described cluster head Home eNodeB is operated in state of activation, described bunch of member's Home eNodeB is changeable is state of activation, preparation resting state or resting state, comprises the following steps:
100, the traffic transmission situation information in bunch member's Home eNodeB periodicity detection coverage of state of activation is in;
Whether 110, described bunch of member's Home eNodeB statistics is in a sense cycle, have femtocell user terminal request to carry out traffic transmission in coverage; If have, then described bunch member's Home eNodeB keeps state of activation, if nothing, then enters step 120;
120, bunch member's Home eNodeB switches to preparation resting state, and the concurrent preparation resting state signaling that is fed into is to cluster head Home eNodeB;
130, bunch member's Home eNodeB continues to detect within second round in coverage whether have femtocell user terminal request to carry out traffic transmission, if any, then bunch member's Home eNodeB switches to state of activation, otherwise, enter step 140;
140, bunch member's Home eNodeB sends and enters resting state demand signalling to cluster head Home eNodeB, and after receiving the confirmation signaling of cluster head Home eNodeB, switches to resting state;
150, described cluster head Home eNodeB is after transmission confirms signaling, improves the control channel power within the scope of its covering bunch member's Home eNodeB.
2. the method for claim 1, it is characterized in that: in described step 150, cluster head Home eNodeB improves the control channel power within the scope of its covering bunch member's Home eNodeB, be specially cluster head Home eNodeB while its control channel power of raising, keep the power of Traffic Channel.
3. method as claimed in claim 1 or 2, is characterized in that: after step 150, further comprising the steps of:
160, when the femtocell user terminal being in resting state overlay area has a traffic demands, Home eNodeB is around detected, and according to the Home eNodeB signal strength signal intensity detected, the Home eNodeB access that the signal power selecting to meet access conditions is the strongest.
4. method as claimed in claim 3, is characterized in that: described step 160 specifically comprises the steps:
161, the Home eNodeB of requested access is that to be in state of activation, signal power the strongest and can meet bunch member's Home eNodeB of femtocell user terminal communication demand, then femtocell user terminal performs normal access process; Otherwise enter step 162;
162, the Home eNodeB of requested access is that to be in preparation resting state, signal power the strongest and can meet bunch member's Home eNodeB of femtocell user terminal communication demand, then bunch member's Home eNodeB stops preparation resting state, transfers state of activation to; Otherwise enter step 163;
163, ask access to family base station to be cluster head Home eNodeB, then cluster head Home eNodeB is by the received signal strength that feed back according to user terminal and Home eNodeB neighboring BS relationship, determines its target household base station finally accessed;
If 164 cluster head Home eNodeB are judged as target household base station, then user terminal directly accesses cluster head Home eNodeB; Otherwise enter step 165;
165, the selected target household base station of cluster head Home eNodeB notice performs corresponding actions, to meet user terminal access demand.If cluster head Home eNodeB activates be in bunch member's Home eNodeB of resting state, and user terminal is accessed this bunch of member's Home eNodeB, then cluster head Home eNodeB reduces its control channel power in this bunch of member's Home eNodeB coverage simultaneously.
5. method as claimed in claim 4, is characterized in that: before step 100, also comprises step:
Femtocell user terminal is collected and stored to bunch member's Home eNodeB to the testing result of neighboring home base station signal strength, and be sent to cluster head Home eNodeB;
Cluster head Home eNodeB adds up each bunch of member's Home eNodeB liveness;
In step 165, cluster head Home eNodeB wakes bunch member's Home eNodeB in resting state up, then cluster head Home eNodeB estimates its position according to the field intensity of femtocell user terminal, to bunch member's Home eNodeB be in around estimation position in dormancy, sort from high to low by liveness, and wake up successively, till femtocell user terminal access signal strength signal intensity is enough to meet the Home eNodeB of its demand for services.
6. the method for claim 1, is characterized in that: described state of activation, preparation resting state and resting state specifically refer to:
State of activation is the state that Home eNodeB normally works, now the control channel of Home eNodeB and Traffic Channel all in running order;
Resting state is the temporary transient out-of-work state of Home eNodeB, and now the control channel of Home eNodeB and Traffic Channel are all in closed condition;
Preparation resting state, within the duration of this transition state, bunch member's Home eNodeB closes Traffic Channel, only retains control channel and whether occurs new traffic transmission demand to detect in overlay area, and carry out a series of preparations of state switching with cluster head Home eNodeB.
7. bunch member's Home eNodeB, for forming family base station system with cluster head Home eNodeB Scaledeployment, comprises the communication service module, statistical module, decision-making module, system interaction module and the Executive Module that connect successively:
Communication service module: the wireless signal transmitting-receiving of same family base station user terminal room;
Statistical module: in the statistic mixed-state cycle, in its coverage, femtocell user terminal request carries out traffic transmission situation;
Decision-making module: for the statistics according to statistical module, judges whether to need to carry out operating state switching, and generates operating state hand off signaling, send to system interaction module;
System interaction module: for sending work state information and handover request to cluster head Home eNodeB, and receive the control signal of cluster head Home eNodeB;
Executive Module: for the cluster head Home eNodeB control signal received according to system interaction module, carry out operating state switching, and the control channel power regulating communication service module.
8. as claimed in claim 7 bunch of member's Home eNodeB, is characterized in that:
Described statistical module is also for collecting and store the testing result of femtocell user terminal to neighboring home base station signal strength;
The femtocell user terminal testing result to neighboring home base station signal strength of described system interaction module also for being collected by statistical module and storing is sent to cluster head Home eNodeB.
9. a cluster head Home eNodeB, for forming family base station system with bunch member's Home eNodeB Scaledeployment, comprising:
Communication service module: for receiving and dispatching with the wireless signal of femtocell user terminal room;
Statistical module: for adding up a bunch liveness for member's Home eNodeB;
System interaction module: for receiving bunch work state information of member's Home eNodeB transmission and a handover request, and the control signal of cluster head Home eNodeB is sent to bunch member's Home eNodeB;
Decision-making module: the operating state hand off signaling that bunch member's Home eNodeB for receiving according to system interaction module sends, formation control instruction, is sent to system interaction module and Executive Module;
Executive Module: for the control command according to decision-making module, regulates the control channel power of communication service module in bunch member's Home eNodeB coverage, and controls the access of user terminal.
10. cluster head Home eNodeB as claimed in claim 9, is characterized in that:
Described decision-making module is also for when the femtocell user terminal of the original overlay area of the Home eNodeB being in resting state has traffic demands, according to the Home eNodeB signal strength signal intensity that this femtocell user terminal detects, select to meet the strongest Home eNodeB access of the signal power of access conditions.
11. cluster head Home eNodeB as claimed in claim 9, is characterized in that:
Described interactive module also for receiving femtocell user terminal that bunch member's Home eNodeB sends to the testing result of neighboring home base station signal strength, and sends it to statistical module;
Described statistical module also for collect and store bunch member's Home eNodeB operating condition, and bunch in femtocell user terminal to the testing result of neighboring home base station signal strength;
Described statistical module is for adding up each bunch of member's Home eNodeB liveness, described liveness is that the duration being in state of activation every day according to each bunch of member's Home eNodeB draws, bunch member's Home eNodeB liveness being in state of activation duration average every day longer is higher;
Described decision-making module is also for when the femtocell user terminal of the original overlay area of the Home eNodeB being in resting state has traffic demands, according to the Home eNodeB signal strength signal intensity that this femtocell user terminal detects, select to meet the strongest Home eNodeB access of the signal power of access conditions, be specially:
Cluster head Home eNodeB is by the received signal strength that feeds back according to user terminal and Home eNodeB neighboring BS relationship, determining whether by improving one grade of Home eNodeB transmitting power, this user terminal finally being accessed and is in state of activation or is in bunch member's Home eNodeB preparing resting state;
When can only be provided service by bunch member's Home eNodeB being in resting state, cluster head Home eNodeB activates bunch member's Home eNodeB being in resting state, and this femtocell user terminal is accessed this bunch of member's Home eNodeB.
12., based on the family base station system of Scaledeployment, comprise bunch member's Home eNodeB in claim 7 to 8 and the cluster head Home eNodeB in claim 9 to 11.
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| CN111212465B (en) * | 2020-01-15 | 2023-01-17 | 海能达通信股份有限公司 | Data transmission method, base station, terminal and system |
| CN112153727A (en) * | 2020-10-10 | 2020-12-29 | 哈尔滨工业大学（深圳） | Low-delay low-energy-consumption base station caching and sleeping method, base station and system |
| CN112235852A (en) * | 2020-10-12 | 2021-01-15 | 江苏亨鑫众联通信技术有限公司 | Energy-saving method and system for closed coverage area base station cluster |
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Application publication date: 20150708 |