CN103139912B - Method and the base-station node of user's access in heterogeneous network - Google Patents
Method and the base-station node of user's access in heterogeneous network Download PDFInfo
- Publication number
- CN103139912B CN103139912B CN201110387554.8A CN201110387554A CN103139912B CN 103139912 B CN103139912 B CN 103139912B CN 201110387554 A CN201110387554 A CN 201110387554A CN 103139912 B CN103139912 B CN 103139912B
- Authority
- CN
- China
- Prior art keywords
- station node
- user
- base
- access
- described base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The method and the base-station node that the embodiment of the invention discloses the access of user in a kind of heterogeneous network, relate to the communications field, can dynamic coordinate base-station node between resource distribute and balanced base station between load, thereby improve the availability of frequency spectrum under heterogeneous network. Method of the present invention comprises: base-station node is adding after heterogeneous network, detects described base-station node and be adjacent the reliability of signalling between base-station node; And carrying out the selection of heterogeneous network configuration mode according to reliability testing result, described heterogeneous network configuration mode comprises collaboration type resource allocation mode and autonomous configuration formula resource allocation mode; And according to the heterogeneous network configuration mode of user's side information and described base-station node side information and selection, for user resource allocation is realized user's access. The embodiment of the present invention is mainly used in the process of the access of user in heterogeneous network and load balancing.
Description
Technical field
The present invention relates to the communications field, relate in particular to method and the base station joint of user's access in a kind of heterogeneous networkPoint.
Background technology
Heterogeneous network technologies is the important of the follow-up evolution of Long Term Evolution (LongTermEvolution, LTE)Candidate technologies, it adopts macrocell base stations in conjunction with microcell base station, micromicro honeycomb base station, millimicro cellular basestationAnd/or the heterogeneous network networking technology of relay base station, can effectively improve the covering level of wireless network, improveThe space availability ratio of frequency spectrum. Heterogeneous network networking is at present by operator's planning and operation, in network composition structureUpper, what the resource between base station was distributed employing is the mode of the frequency spectrum such as channeling, soft-frequency reuse planning, logicalCross the utilization rate that improves frequency spectrum for the channeling of different situations.
Realize heterogeneous network resource distribute process in, inventor finds the scheme of this channeling, passIn the planning of system macrocellular network, optimization, bring into play irreplaceable effect, but this scheme can not be along with netThe variation of network base station topological structure, the programme of dynamically adjusting frequency, in especially current isomerism network structure,When newly-increased a large amount of low power base station node, traditional network planning, the complexity of optimized algorithm are increased.And, in the situation that signalling reliability between dissimilar base station cannot strictly ensure, traditional frequency spectrum ruleEffective utilization that the scheme of drawing cannot solve frequency spectrum.
Summary of the invention
Embodiments of the invention provide method and the base-station node of user's access in a kind of heterogeneous network, Neng GoudongState is coordinated resource between base-station node and is distributed also load between balanced base station, thereby improves spectrum utilization under heterogeneous networkRate.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A method for user's access in heterogeneous network, comprising:
Base-station node is adding after heterogeneous network, detects described base-station node and is adjacent signaling between base-station nodeThe reliability of transmission;
Described base-station node carries out the heterogeneous network configuration mode of described base-station node according to reliability testing resultSelection, described heterogeneous network configuration mode comprises that collaboration type resource allocation mode and autonomous configuration formula resource divideJoin pattern;
Described base-station node is according to the heterogeneous network of user's side information and described base-station node side information and selectionConfiguration mode, for user resource allocation is realized user's access.
A kind of base-station node, comprising:
Detecting unit, for adding after heterogeneous network at described base-station node, detects described base-station node and itsThe reliability of signalling between adjacent base station node;
Selected cell, for carrying out the heterogeneous network configuration mould of described base-station node according to reliability testing resultThe selection of formula, described heterogeneous network configuration mode comprises collaboration type resource allocation mode and autonomous configuration formula resourceAllocation model;
Access unit, for according to the heterogeneous network of user's side information and described base-station node side information and selectionNetwork configuration mode, for user resource allocation is realized user's access.
Method and the base-station node of user's access in the heterogeneous network that the embodiment of the present invention provides, with prior artBetween middle processing user access and base station, load balancing etc. need to rely on the systemic-function of signalling between base station to be subject toBe limited to signaling reliability between base station and compare, what the embodiment of the present invention can be according to signalling between base-station node canLean on property, under common networking scene, meet QoS (QualityofService, QoS)User's access and the load balancing scheme of demand; And based on according to user's side information and base-station node side informationAnd the heterogeneous network configuration mode of selecting, for user's dynamic assignment resource, meet business demand, simultaneously movingState is coordinated resource between base-station node and is distributed also load between balanced base station, thereby improves spectrum utilization under heterogeneous networkRate.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to implementingIn example or description of the Prior Art, the accompanying drawing of required use is briefly described, and apparently, the following describesIn accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not payingGo out under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow diagram that in the embodiment of the present invention 1, in heterogeneous network, user accesses;
Fig. 2 is the method flow diagram that in the embodiment of the present invention 2, in heterogeneous network, user accesses
Fig. 3 be in the embodiment of the present invention 2 base-station node to network parameter gather, the parameter of base-station nodeInitialize, and the process schematic diagram that transmits of information between base-station node;
Fig. 4 is that in the embodiment of the present invention 2, base-station node networking model is selected and the process of the configuration of networking parameterSchematic diagram;
Fig. 5 is type selecting Network Based in the embodiment of the present invention 2, low power base station user's access and baseThe process schematic diagram of load balancing between standing;
Fig. 6 is the process schematic diagram that in the embodiment of the present invention 2, base-station node networking model is upgraded;
Fig. 7 is the composition frame chart of a kind of base-station node in the embodiment of the present invention 3;
Fig. 8 is the composition frame chart of another kind of base-station node in the embodiment of the present invention 3;
Fig. 9 is the composition frame chart of another kind of base-station node in the embodiment of the present invention 3;
Figure 10 is the composition frame chart of another kind of base-station node in the embodiment of the present invention 3;
Figure 11 is the composition frame chart of another kind of base-station node in the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearlyChu, intactly description, obviously, described embodiment is only the present invention's part embodiment, instead ofWhole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not making creationThe every other embodiment obtaining under property work prerequisite, belongs to the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides the method for user's access in a kind of heterogeneous network, as shown in Figure 1, and the methodComprise:
101, base-station node is adding after heterogeneous network, detects described base-station node and is adjacent between base-station nodeThe reliability of signalling.
Wherein, to be adjacent between base-station node the reliability of signalling passable for the described base-station node of described detectionRealize by following mode, comprise according to the requirement of QoS of survice demand, time delay, detect described base station jointPoint is adjacent the reliability of signalling between base-station node. Concrete can be: base-station node is (as micro-honeybeeNest, Pico cell, millimicro honeycomb etc.) after adding heterogeneous network, first adopt signaling monitoring, gather,The steps such as passback, detect this base-station node and are adjacent the reliability of the signalling between base station. Subsequently, rootAccording to the QoS demand of the business of the network carrying, what the time parameter such as ductility of signalling was carried out to signalling canDetect by property.
102, described base-station node carries out the heterogeneous network configuration of described base-station node according to reliability testing resultThe selection of pattern, described heterogeneous network configuration mode comprises collaboration type resource allocation mode and autonomous configuration formula moneySource allocation model.
Wherein, in the time carrying out the selection of heterogeneous network configuration mode according to reliability testing result, can referenceFollowing mode realizes, and which comprises: if described reliability testing result is reliable, and described base station jointPoint selection collaboration type resource allocation mode is as the heterogeneous network configuration mode of described base-station node; Can if describedBy property testing result, for transmitting or unreliable, described base-station node selects autonomous configuration formula resource to distributePattern is as the heterogeneous network configuration mode of described base-station node.
It should be noted that, the signalling when between the base-station node that described base-station node is adjacent is for reliableWhen transmission, the casual network of a transmitting of base-station node composition that this base-station node can be adjacent,All base-station nodes in this casual network are carrying out resource distribution and are realizing the process that user accesses for userIn, can be according to user's side information, the resource information of this base-station node self and the resource of adjacent base station nodeInformation is user resource allocation, and each base-station node in considering this casual network in the process of distributing in resourceLoading condition, maximizes the use the resource of each base-station node of this casual network, and this kind of resource dividedJoin pattern and become collaboration type resource allocation mode; In addition, autonomous configuration formula resource allocation mode is prior artIn a kind of resources pattern, adopt the base station joint that the base-station node of this kind of resources pattern is adjacentSignalling between point is unreliable transmission, is an isolated base-station node, the base that it can not be adjacentThe casual network of a transmitting of tiny node composition, is dividing for the user of this base-station node of access carries out resourceTiming, only considers the information of user's side and the resource allocation of self.
103, described base-station node is according to the isomery of user's side information and described base-station node side information and selectionNetwork configuration pattern, for user resource allocation is realized described user's access.
Wherein, described user's side information can comprise user's QoS demand etc., described user's QoS demandCan comprise access bandwidth, data rate, propagation delay time etc.; Described base-station node side information comprises described baseInterference value in available resources, the available band of tiny node, accessible portfolio and adjacent base station nodeLoad capacity etc. At described base-station node according to user's side information and described base-station node side information and selectionHeterogeneous network configuration mode, while realizing user's access for user resource allocation, can be by following modeRealize, specifically comprise:
Selecting collaboration type resource allocation mode when described base-station node joins as the heterogeneous network of described base-station nodeWhile putting pattern, described base-station node is based on described in user's side information and the definite access of described base-station node side informationThe user of base-station node, and realize described user's access for described user resource allocation. Wherein, when describedWhen base-station node is selected collaboration type resource allocation mode as the heterogeneous network configuration mode of described base-station node,This base-station node carries out user while accessing according to network configuration, can adopt following two kinds of access modules, comprisesCentralized subscriber access mode and distributed user access module. Wherein, in the time adopting centralized user to access,This base-station node is determined the use of the described base-station node of access based on user's side information and this base-station node side informationFamily, the access that realizes the described user of determining for described user assignment access-in resource comprises: described base-station node receivesThe access indication information that the center base station node of described heterogeneous network sends, comprises by institute in described indication informationStating center base station node is the access user that described base-station node distributes, and described base-station node is believed according to user's sideBreath and described base-station node side information are the access that described access user Resources allocation realizes described access user.In the time adopting distributed user access module, described true based on user's side information and described base-station node side informationSurely access the user of described base-station node, and the access that realizes described user for described user resource allocation comprises:This base-station node is selected to connect with this base-station node side information and according to predetermined access principle based on user's side informationEnter the user of described base-station node, and be that the user resource allocation of selecting is realized the user's of described selection access;Wherein, this predetermined access principle can be optimum access principle, but the embodiment of the present invention limits this,Can be any access user system of selection of the prior art, for example, access required frequency band by userLittle principle etc. In addition, about the method for selecting the user of access base station node according to optimum access principle,Can be with reference to description of the prior art, the embodiment of the present invention will repeat no more again.
When described base-station node is selected the heterogeneous network that autonomous configuration formula resource allocation mode is described base-station nodeWhen configuration mode, described base-station node is according to described user's side information and described base-station node side information and pre-Determining Access Algorithm and determine whether user can be linked into described base-station node, in the time of definite can access, is instituteThe user resource allocation of stating definite access is realized the access of described definite access user. What wherein, this was predetermined connectsEntering principle can be optimum access principle, but the embodiment of the present invention limits this, can be prior artIn any access user system of selection. In addition, about selecting access base station joint according to optimum access principleThe user's of point method, can be with reference to description of the prior art, and the embodiment of the present invention will repeat no more again.
Further, adjust in real time the heterogeneous network of base stations in heterogeneous network node according to the dynamic change of networkConfiguration mode, the present invention also provides following method, and the method is:
Carry out the heterogeneous network configuration mould of described base-station node according to reliability testing result at described base-station nodeAfter the selection of formula, described base-station node detects periodically described base-station node and is adjacent between base-station node and believesThe reliability of order transmission, the reliability testing result in acquisition cycle; Wherein, the inspection in described base-station node cycleSurvey the reliability that described base-station node is adjacent signalling between base-station node, obtain the reliability inspection in cycleSurvey result, can realize by following mode, for: this base-station node periodically detects the base being adjacentThe reference signal of tiny node, and adopt the mode of initiatively measuring, measure base station to the base-station node being adjacentBetween the reliability of signalling whether meet QoS demand, thereby obtain between its adjacent base station node of base-station nodeThe reliability measurement result in the cycle of signalling.
Described base-station node is dynamically adjusted the different of described base-station node according to the reliability testing result in described cycleNetwork forming network configuration mode. Wherein, described base-station node is dynamically adjusted according to the reliability testing result in described cycleThe heterogeneous network configuration mode of whole described base-station node is: described base-station node is according to the reliability in described cycleTesting result, knows that reliability that described base-station node is adjacent signalling between base-station node is by reliably becoming, the heterogeneous network configuration mode of described base-station node is divided from collaboration type resource maybe cannot transmit time for unreliableJoining mode altering is autonomous configuration formula resource allocation mode; Or described base-station node can according to the described cycleBy property testing result, know that reliability that described base-station node is adjacent signalling between base-station node is not byReliably maybe cannot transmit and become when reliable, by described base-station node heterogeneous network configuration mode from autonomous configuration formulaResource allocation mode changes to collaboration type resource allocation mode.
It should be noted that, the judgment criterion of reliability height can be according to network load situation and user's entiretyQoS demand etc. dynamically adjust, as long as find that compared with recent statistics network load situation is heavy or useFamily entirety QoS demand is high, so just selects stricter decision rule, is more prone to judgement for unreliable;Otherwise select comparatively loose decision rule.
Further alternative, described base-station node according to user's side information and described base-station node side information withAnd the heterogeneous network configuration mode of selecting, for after user resource allocation realizes user's access, can also baseIn the heterogeneous network configuration mode of selecting, adjust parameter and the user of base-station node side according to customer service demandThe parameter of side. Wherein, the parameter of this base-station node side can be base station transmitting power, received power deviantDeng; The parameter of user's side can be user's access and hand off signaling etc.; But the embodiment of the present invention is not entered thisRow restriction can also be other the parameter of base-station node side and the parameter of user's side.
Method and the base-station node of user's access in the heterogeneous network that the embodiment of the present invention provides, with prior artBetween middle processing user access and base station, load balancing etc. need to rely on the systemic-function of signalling between base station to be subject toBe limited to signaling reliability between base station and compare, what the embodiment of the present invention can be according to signalling between base-station node canBy property, under common networking scene, meet user's access and the load balancing scheme of QoS of survice demand; AndAnd based on according to the heterogeneous network configuration mode of user's side information and base-station node side information and selection, be useFamily dynamic assignment resource, meets business demand, and between dynamic coordinate base-station node, resource is distributed and balanced base simultaneouslyLoad between standing, thus the availability of frequency spectrum under heterogeneous network improved.
Embodiment 2
The embodiment of the present invention provides the method for user's access in a kind of heterogeneous network, as shown in Figure 2, and the methodComprise:
201, base-station node is adding after heterogeneous network, need to gather network parameter, this base station is savedThe parameter of point initializes, and carries out the information transmission between base-station node.
Wherein, this base-station node gathers, the parameter of this base-station node is initialized network parameter,And it is concrete to carry out information transmission between base-station node, as shown in Figure 3, comprising:
Step 1: this base-station node comprises network parameter collection: this base-station node detect himself withThe reliability of signalling between its adjacent base station node, obtains signaling reliability measurement result; This base-station nodeCarry out can service band in the collection of interfere information, obtain disturbed condition in band; This base-station node is to locationThe covering quality information gathering of the base station being adjacent in territory, obtains the coverage information that is adjacent base-station node.
Step 2: the process of the parameter initialization of this base-station node, comprises: the covering model based on this base-station nodeEnclose and predict, initialize the down transmitting power of this base-station node, the access parameter information of broadcasting user etc.
Step 3: this base-station node, in the reliable situation of signalling, transmits between the base-station node being adjacentParameter initialization information.
202, the configuration of this base-station node networking model selection and networking parameter.
Wherein, the configuration of this base-station node networking model selection and networking parameter specifically as shown in Figure 4, comprising:
Step 1: carry out this base-station node and be adjacent the detection of signalling reliability between base-station node, bagContain: base-station node (as microcellulor, Pico cell, millimicro honeycomb etc.) after adding heterogeneous network, headFirst adopt signaling monitoring, gather, the steps such as passback, detect this base-station node and are adjacent the signaling between base stationThe reliability of transmission. Subsequently, according to the QoS demand of the business of the network carrying, to the time ductility etc. of signallingThe reliability that parameter is carried out signalling detects, and obtains base-station node signalling reliability testing result.
Step 2: be adjacent the reliability testing result of base station according to base-station node, carry out this base-station nodeHeterogeneous network configuration mode is the selection of networking model, and this selection comprises: be can in this reliability testing resultIn situation about leaning on,, the in the situation that of signaling transmitting, base-station node can be according to the configuration ginseng of network sideNumber, selects the heterogeneous network configuration mode of collaboration type resource allocation mode as this base-station node; Reliable at thisProperty testing result for cannot transmit or insecure situation under, cannot transmit or can not reliably pass in signalingIn defeated situation, this base-station node, in conjunction with network interferences present situation and parameter preset, can be selected with configuration automaticallyFormula resource allocation mode is as the heterogeneous network configuration mode of this base-station node.
Step 3: base-station node is collected the information that is adjacent node, comprises: base-station node is measured service bandIn interference value, adjacent base station node covers and interferometry for predicting in the transmitting power of frequency band etc.Information, as Reference Signal Received Power (ReferenceSignalReceivingPower, RSRP)Value, defined signal value etc.
203, the selection based on this base-station node heterogeneous network configuration mode, realizes low power base station user accessAnd load balancing between base station.
Wherein, based on the selection of this base-station node heterogeneous network configuration mode, realize low power base station user and connectEnter and base station between load balancing, specifically as shown in Figure 5, comprising:
Step 1: this base-station node gathers user's side information, and this user's side information gathering comprises: to user QoSThe statistics of demand, as access bandwidth, data rate, the statistics of the business transmission demands such as propagation delay time.
Step 2: the network side information of this base-station node is added up and calculated to this base-station node; Add up and calculate thisThe network side information of base-station node be available resources to base-station node, base-station node side parameter adjustment andThe calculating of accessible portfolio; Available resources to base-station node, the parameter adjustment of base-station node side and canThe calculating of access service amount comprises: the interference value in available band, accessible portfolio is calculated, and covers parameterCalculating (as transmitting power, the user of broadcast receives the parameter that the power increment of signal etc. adjustment covers), withAnd the load capacity of adjacent base station node etc.
Step 3: this base-station node is according to the heterogeneous network configuration mode of selected base-station node, i.e. networking mouldFormula, in conjunction with gather user's side information and statistical computation obtain base-station node side information be user resource allocation alsoRealize user's access, comprising:
Selecting collaboration type resource allocation mode when described base-station node joins as the heterogeneous network of described base-station nodeWhile putting pattern, this base-station node carries out user while accessing according to network configuration, can adopt following two kinds of accessesPattern, comprises centralized subscriber access mode and distributed user access module.
Wherein, in the time adopting centralized user to access, this base-station node is based on user's side information and this base station jointPoint side information is determined the user of the described base-station node of access, for described user assignment access-in resource realize described fixedUser's access comprises: described base-station node receives the access of the center base station node transmission of described heterogeneous networkIndication information, in described indication information, comprising by described center base station node is connecing of described base-station node distributionAccess customer, described base-station node is described access user according to user's side information and described base-station node side informationResources allocation realizes the access of described access user.
Wherein, under distributed user access module, this base-station node is adjacent base-station node and exchanges subscriberAccess information, this user accessing information comprises: transmitting power in base-station node frequency band, the load of base-station node,In frequency band, disturb, user accesses the information such as required bandwidth. This base-station node is based on user's side information and this base stationNode side information also selects the user of the described base-station node of access according to predetermined access principle, and for selectingUser resource allocation is realized the user's of described selection access; Wherein, this predetermined access principle can be forExcellent access principle, but the embodiment of the present invention limits this, can be any access of the prior artUser choosing method, for example, access principle of required frequency band minimum etc. by user. In addition, about according toExcellent access principle is selected the user's of access base station node method, can be with reference to description of the prior art, thisInventive embodiments will repeat no more again.
In the time that the heterogeneous network configuration mode of this base-station node is automatic collocation type resource allocation mode, base station jointWhether point determines user according to described user's side information and described base-station node side information and predetermined Access AlgorithmCan be linked into described base-station node, in the time of definite can access, be the user assignment money of described definite accessThe access of described definite access user is realized in source. Concrete, the interference value in this base-station node measurement bandwidth,The intensity of load of this base-station node, and user's QoS demand etc.; This base-station node is according to above-mentioned detectionParameter value, and predetermined Access Algorithm determines whether user can be linked into described base-station node, determine canWith when access, for the user resource allocation of described definite access is realized the access of described definite access user. ItsIn, this predetermined access principle can be optimum access principle, but the embodiment of the present invention limits this,Can be any access user system of selection of the prior art, for example, cross user and access required frequency band minimumPrinciple etc. In addition, about the method for selecting the user of access base station node according to optimum access principle, canWith reference description of the prior art, the embodiment of the present invention will repeat no more again
Step 4: the switching of user's access. Wherein, the switching of user's access comprises:
Under collaboration type resource allocation mode, user accesses this base station joint according to the access signaling of this base-station nodePoint. Concrete, in the time adopting centralized subscriber access mode, the user that part has accessed is because original accessThe change of the access parameters such as base-station node transmitting power, is linked into finger according to the hand off signaling of center base station nodeFixed base-station node. In the time adopting distributed user access module, the user who has accessed is according to former access base stationThe hand off signaling of node, is linked into the base-station node of appointment.
Under self-action resources pattern, user may receive the access signaling of multiple base-station nodes, userFor example, according to optimum principle (: the base-station node of selecting transmitting power maximum) access base station. If user receivesThe signaling of refusal access, cannot access base station node.
204, base-station node networking model is upgraded.
Wherein, the process that base-station node networking model is upgraded as shown in Figure 6, comprising:
Step 1: this base-station node of the detection in this base-station node cycle is adjacent signalling between base-station nodeReliability, the reliability testing result in acquisition cycle, realizes by following mode, for: this base-station nodeThe reference signal of the base-station node being adjacent, and adopt the mode of initiatively measuring, to the base station being adjacentBetween node measurement base station, whether the reliability of signalling meets QoS demand, thereby obtain base-station node, it is adjacentThe reliability measurement result in the cycle of signalling between base-station node. Wherein, the judgment criterion of reliability heightCan dynamically adjust according to the QoS demand of network load situation and user's entirety etc., as long as find with in the recent periodStatistics compares that network load situation is heavy or the overall QoS demand of user is high, so just selects stricter judgement standard, be more prone to judgement for unreliable; Otherwise select comparatively loose decision rule.
Step 2: the renewal process of base-station node networking model, comprises: this base-station node is according to the described cycleReliability testing result, know that described base-station node is adjacent the reliability of signalling between base-station nodeUnreliable maybe cannot transmit time from reliably becoming, by the heterogeneous network configuration mode of described base-station node from cooperationFormula resource allocation mode changes to autonomous configuration formula resource allocation mode; Or described in described base-station node basisThe reliability testing result in cycle, what know that described base-station node is adjacent signalling between base-station node canBecome when reliable from unreliable maybe cannot transmission by property, by described base-station node heterogeneous network configuration mode from fromMain collocation type resource allocation mode changes to collaboration type resource allocation mode.
Method and the base-station node of user's access in the heterogeneous network that the embodiment of the present invention provides, with prior artBetween middle processing user access and base station, load balancing etc. need to rely on the systemic-function of signalling between base station to be subject toBe limited to signaling reliability between base station and compare, what the embodiment of the present invention can be according to signalling between base-station node canBy property, under common networking scene, meet user's access and the load balancing scheme of QoS of survice demand; AndAnd based on according to the heterogeneous network configuration mode of user's side information and base-station node side information and selection, be useFamily dynamic assignment resource, meets business demand, and between dynamic coordinate base-station node, resource is distributed and balanced base simultaneouslyLoad between standing, thus the availability of frequency spectrum under heterogeneous network improved.
Embodiment 3
The embodiment of the present invention provides a kind of base-station node, and as shown in Figure 7, this base-station node comprises: detect singleUnit 31, selected cell 32, access unit 33.
Detecting unit 31, for adding after heterogeneous network, detects described base-station node and is adjacent base station jointThe reliability of signalling between point; The described base-station node of described detection is adjacent signalling between base-station nodeReliability can realize by following mode, comprising: according to the requirement of QoS of survice demand, time delay,The reliability of signalling between detection and adjacent base station node.
Selected cell 32, for carrying out the heterogeneous network configuration of described base-station node according to reliability testing resultThe selection of pattern, described heterogeneous network configuration mode comprises collaboration type resource allocation mode and autonomous configuration formula moneySource allocation model. Wherein, carry out the heterogeneous network configuration mould of described base-station node according to reliability testing resultThe selection of formula comprises: while being reliable, select collaboration type resource allocation mode to do in described reliability testing resultFor the heterogeneous network configuration mode of described base-station node; In described reliability testing result for transmitting or notWhen reliable, select the heterogeneous network configuration mode of autonomous configuration formula resource allocation mode as described base-station node.
Access unit 33, for according to the isomery of user's side information and described base-station node side information and selectionNetwork configuration pattern, for user resource allocation is realized user's access.
Further, as shown in Figure 8, this base-station node also comprises: heterogeneous network configuration mode adjustment unit34。
Described detecting unit 31 also for, carrying out heterogeneous network configuration mode according to reliability testing resultAfter selection, detect periodically described base-station node and be adjacent the reliability of signalling between base-station node,The reliability testing result in acquisition cycle.
Heterogeneous network configuration mode adjustment unit 34, dynamic for the reliability testing result according to the described cycleAdjust the heterogeneous network configuration mode of described base-station node. Wherein said heterogeneous network configuration mode adjustment unitThe 34 reliability testing results according to the described cycle are dynamically adjusted the heterogeneous network configuration mode bag of described base-station nodeDraw together: when according to the reliability testing result in described cycle, know that described base-station node is adjacent base-station nodeBetween the reliability of signalling unreliable maybe cannot transmit time from reliably becoming, by the isomery of described base-station nodeNetwork configuration pattern changes to autonomous configuration formula resource allocation mode from collaboration type resource allocation mode; Or work asAccording to the reliability testing result in described cycle, know that described base-station node is adjacent signaling between base-station nodeThe reliability of transmission is become when reliable from unreliable maybe cannot transmission, and the heterogeneous network of described base-station node is joinedThe pattern of putting changes to collaboration type resource allocation mode from autonomous configuration formula resource allocation mode.
Further, as shown in Figure 9, described access unit 33 comprises: the first AM access module 331, secondAM access module 332.
The first AM access module 331, for when selecting different as described base-station node of collaboration type resource allocation modeWhen network forming network configuration mode, determine the described base station of access based on user's side information and described base-station node side informationThe user of node, and realize described user's access for described user resource allocation. Wherein, when selecting cooperationFormula resource allocation mode during as the heterogeneous network configuration mode of described base-station node, is carried out according to network configurationWhen accessing, user adopts centralized subscriber access mode and distributed user access module, described the first access mouldPiece 331 for, under centralized subscriber access mode, the center base station node that receives described heterogeneous network is sent outThe access indication information sending, in described indication information, comprising by described center base station node is described base-station nodeThe access user distributing, described in described base-station node according to user's side information and described base-station node side information isAccess user Resources allocation realizes the access of described access user; Under distributed user access module, based onUser's side information and described base-station node side information and according to predetermined access principle select the described base station of access andThe user of node, and be that the user resource allocation of selecting is realized the user's of described selection access.
The second AM access module 332, selects autonomous configuration formula resource allocation mode as described base-station node for working asHeterogeneous network configuration mode time, according to described user's side information and described base-station node side information and predeterminedAccess Algorithm determines whether user can be linked into described base-station node, in the time of definite can access, for describedThe user resource allocation of definite access is realized the access of described definite access user.
Further, as shown in figure 10, this base-station node also comprises: information acquisition unit 35, statistical computationUnit 36.
Information acquisition unit 35, for believing according to user's side information and base-station node side at described access unit 33Breath and the heterogeneous network configuration mode of selecting are before user resource allocation is realized user's access, to userSide information obtains described user's side information, and described user's side information comprises user's QoS demand.
Statistical computation unit 36, for believing according to user's side information and base-station node side at described access unit 33Breath and the heterogeneous network configuration mode of selecting are before user resource allocation is realized user's access, to describedBase-station node side information is added up and is calculated, and obtains described base-station node side information, described base-station node sideInformation comprises the interference value in base station available resources, available band, accessible portfolio and adjacent base station jointThe load capacity of point.
Further, as shown in figure 11, this base-station node also comprises: parameter adjustment unit 37.
Parameter adjustment unit 37, for believing according to user's side information and base-station node side at described access unit 33Breath and the heterogeneous network configuration mode of selecting, for after user resource allocation realizes user's access, based onThe heterogeneous network configuration mode of selecting, adjusts parameter and the described base of described user's side according to customer service demandThe parameter of tiny node side
It should be noted that, other of each functional module that base-station node comprises that the present embodiment provides are described,Can reference example 1 and embodiment 2 in associated description, the embodiment of the present invention will repeat no more herein.
Method and the base-station node of user's access in the heterogeneous network that the embodiment of the present invention provides, with prior artBetween middle processing user access and base station, load balancing etc. need to rely on the systemic-function of signalling between base station to be subject toBe limited to signaling reliability between base station and compare, what the embodiment of the present invention can be according to signalling between base-station node canBy property, under common networking scene, meet user's access and the load balancing scheme of QoS of survice demand; AndAnd based on according to the heterogeneous network configuration mode of user's side information and base-station node side information and selection, be useFamily dynamic assignment resource, meets business demand, and between dynamic coordinate base-station node, resource is distributed and balanced base simultaneouslyLoad between standing, thus the availability of frequency spectrum under heterogeneous network improved.
It should be noted that, technical solution of the present invention can be applicable under heterogeneous network identical networking scene, solvesBetween base-station node, resource is distributed and load balancing. According to signalling reliability between base-station node, base-station nodeNetworking model be can independently select, thereby heterogeneous network self-organizing, self-configuring realized more reliably, from excellentThe function of changing.
Heterogeneous network in the embodiment of the present invention refers to the different type network of same air interface (as LTE)The isomery of node, also can consider the thought of this programme to expand to the isomery in multiple air interface situation.At this moment the load balancing that will consider relates to dissimilar air interface.
Through the above description of the embodiments, those skilled in the art can be well understood to thisThe bright mode that can add essential common hardware by software realizes, and can certainly pass through hardware, but a lotIn situation, the former is better embodiment. Based on such understanding, technical scheme of the present invention in essence orPerson says that the part that prior art is contributed can embody with the form of software product, and this computer is softPart product is stored in the storage medium can read, and as the floppy disk of computer, hard disk or CD etc., if compriseDry instruction in order to make a computer equipment (can be personal computer, server, or the network equipmentDeng) carry out the method described in the present invention each embodiment.
The above be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toThis, any be familiar with those skilled in the art the present invention disclose technical scope in, can expect easilyChange or replace, within all should being encompassed in protection scope of the present invention. Therefore, protection scope of the present invention shouldProtection domain with described claim is as the criterion.
Claims (16)
1. a method for user's access in heterogeneous network, is characterized in that, comprising:
Base-station node is adding after heterogeneous network, detects described base-station node and is adjacent signaling between base-station nodeThe reliability of transmission;
Described base-station node carries out the heterogeneous network configuration mode of described base-station node according to reliability testing resultSelection, described heterogeneous network configuration mode comprises that collaboration type resource allocation mode and autonomous configuration formula resource divideJoin pattern;
Described base-station node is according to the heterogeneous network of user's side information and described base-station node side information and selectionConfiguration mode, for user resource allocation is realized user's access;
Described base-station node is according to the heterogeneous network of user's side information and described base-station node side information and selectionConfiguration mode, the access that realizes user for user resource allocation comprises:
In the time selecting collaboration type resource allocation mode as the heterogeneous network configuration mode of described base-station node, instituteState base-station node and determine the use of the described base-station node of access based on user's side information and described base-station node side informationFamily, and realize described user's access for described user resource allocation;
When the heterogeneous network configuration mode of selecting autonomous configuration formula resource allocation mode as described base-station nodeTime, described base-station node is according to described user's side information and described base-station node side information and predetermined access calculationMethod determines whether user can be linked into described base-station node, in the time of definite can access, is described definite connecingThe user resource allocation entering is realized the access of described definite access user.
2. the method for user's access in heterogeneous network according to claim 1, is characterized in that, described inBase-station node carries out the selection bag of described base-station node heterogeneous network configuration mode according to reliability testing resultDraw together:
If described reliability testing result is reliable, described base-station node is selected collaboration type resource allocation modeAs the heterogeneous network configuration mode of described base-station node;
If described reliability testing result is for transmitting or unreliable, described base-station node is selected independently to joinPut the heterogeneous network configuration mode of formula resource allocation mode as described base-station node.
3. the method for user's access in heterogeneous network according to claim 2, is characterized in that, in instituteState base-station node according to reliability testing result carry out described base-station node heterogeneous network configuration mode selection itAfter, also comprise:
What described base-station node detected that described base-station node is adjacent signalling between base-station node periodically canBy property, obtain the reliability testing result in cycle;
Described base-station node is dynamically adjusted the different of described base-station node according to the reliability testing result in described cycleNetwork forming network configuration mode.
4. the method for user's access in heterogeneous network according to claim 3, is characterized in that, described inThe heterogeneous network that base-station node is dynamically adjusted described base-station node according to the reliability testing result in described cycle is joinedThe pattern of putting comprises:
Described base-station node, according to the reliability testing result in described cycle, is known described base-station node and its phaseBetween adjacent base-station node, the reliability of signalling is unreliable maybe cannot transmit time from reliably becoming, by described base stationThe heterogeneous network configuration mode of node changes to autonomous configuration formula resource from collaboration type resource allocation mode and distributes mouldFormula; Or
Described base-station node, according to the reliability testing result in described cycle, is known described base-station node and its phaseBetween adjacent base-station node, the reliability of signalling is become when reliable from unreliable maybe cannot transmission, by described base stationThe heterogeneous network configuration mode of node changes to collaboration type resource from autonomous configuration formula resource allocation mode and distributes mouldFormula.
5. according to the method for user's access in the heterogeneous network described in claim 1-4 any one, its feature existsIn, in the time selecting collaboration type resource allocation mode as the heterogeneous network configuration mode of described base-station node, rootCarry out adopting when user accesses centralized subscriber access mode and distributed user access module according to network configuration;The described user based on user's side information and the described base-station node of the definite access of described base-station node side information, forThe access that described user resource allocation is realized described user comprises:
In the time adopting centralized subscriber access mode, described base-station node receives the center base of described heterogeneous networkThe access indication information that tiny node sends, described in comprising in described indication information by described center base station node and beingThe access user that base-station node distributes, described base-station node is according to user's side information and described base-station node side letterBreath is the access that described access user Resources allocation realizes described access user;
In the time adopting at distributed user access module, described base-station node is based on user's side information and described baseTiny node side information is also selected the user of the described base-station node of access according to predetermined access principle, and for selectingUser resource allocation realize the user's of described selection access.
6. according to the method for user's access in the heterogeneous network described in claim 1-4 any one, its feature existsIn, at described base-station node according to the heterogeneous network of user's side information and described base-station node side information and selectionNetwork configuration mode is, before user resource allocation is realized user's access, also to comprise:
Described base-station node obtains described user's side information to user's side information, described user's side letterBreath comprises user's service quality QoS demand;
Described base-station node is added up and is calculated described base-station node side information, obtains described base-station nodeSide information, described base-station node side information comprises dry in the available resources, available band of described base-station nodeThe load capacity of the value of disturbing, accessible portfolio and adjacent base station node.
7. according to the method for user's access in the heterogeneous network described in claim 1-4 any one, its feature existsIn, described base-station node detection is adjacent the reliability of signalling between base-station node and comprises:
According to the requirement of QoS of survice demand, time delay, between detection and adjacent base station node, signalling is reliableProperty.
8. the method for user's access in heterogeneous network according to claim 1, is characterized in that, in instituteState base-station node according to the heterogeneous network configuration mode of user's side information and base-station node side information and selection,For after user resource allocation realizes user's access, also comprise:
The heterogeneous network configuration mode of described base-station node based on selecting, described in adjusting according to customer service demandThe parameter of the parameter of user's side and described base-station node side.
9. a base-station node, is characterized in that, comprising:
Detecting unit, for adding after heterogeneous network at described base-station node, detects described base-station node and itsThe reliability of signalling between adjacent base station node;
Selected cell, for carrying out the heterogeneous network configuration mould of described base-station node according to reliability testing resultThe selection of formula, described heterogeneous network configuration mode comprises collaboration type resource allocation mode and autonomous configuration formula resourceAllocation model;
Access unit, for according to the heterogeneous network of user's side information and described base-station node side information and selectionNetwork configuration mode, for user resource allocation is realized user's access;
Described access unit comprises:
The first AM access module, for the isomery when selecting collaboration type resource allocation mode as described base-station nodeWhen network configuration pattern, determine the described base station of access joint based on user's side information and described base-station node side informationThe user of point, and realize described user's access for described user resource allocation;
The second AM access module, for when selecting autonomous configuration formula resource allocation mode as described base-station nodeWhen heterogeneous network configuration mode, according to described user's side information and described base-station node side information and predetermined connecingEnter algorithm and determine whether user can be linked into described base-station node, in the time of definite can access, for described trueThe user resource allocation of fixed access is realized the access of described definite access user.
10. base-station node according to claim 9, is characterized in that, described selected cell is used for,
While being reliable, select collaboration type resource allocation mode as described base station in described reliability testing resultThe heterogeneous network configuration mode of node;
In described reliability testing result for transmitting or when unreliable, select autonomous configuration formula resource to distributePattern is as the heterogeneous network configuration mode of described base-station node.
11. base-station nodes according to claim 9, is characterized in that, also comprise:
Described detecting unit also for, in the choosing of carrying out heterogeneous network configuration mode according to reliability testing resultAfter selecting, detect periodically described base-station node and be adjacent the reliability of signalling between base-station node, obtainThe reliability testing result in the cycle of obtaining;
Heterogeneous network configuration mode adjustment unit, dynamically adjusts for the reliability testing result according to the described cycleThe heterogeneous network configuration mode of whole described base-station node.
12. base-station nodes according to claim 11, is characterized in that, described adjustment unit is used for,According to the reliability testing result in described cycle, know that described base-station node is adjacent signaling between base-station nodeThe reliability of transmission is unreliable maybe cannot transmit time from reliably becoming, and the heterogeneous network of described base-station node is joinedThe pattern of putting changes to autonomous configuration formula resource allocation mode from collaboration type resource allocation mode; Or
According to the reliability testing result in described cycle, know that described base-station node is adjacent between base-station nodeThe reliability of signalling is become when reliable from unreliable maybe cannot transmission, by the heterogeneous network of described base-station nodeNetwork configuration mode changes to collaboration type resource allocation mode from autonomous configuration formula resource allocation mode.
13. according to the base-station node described in claim 9-12 any one, it is characterized in that, when selecting cooperationFormula resource allocation mode during as the heterogeneous network configuration mode of described base-station node, is carried out according to network configurationWhen accessing, user adopts centralized subscriber access mode and distributed user access module, described the first access mouldPiece is used for,
Under centralized subscriber access mode, receive the access of the center base station node transmission of described heterogeneous networkIndication information, in described indication information, comprising by described center base station node is connecing of described base-station node distributionAccess customer, described base-station node is described access user according to user's side information and described base-station node side informationResources allocation realizes the access of described access user;
Under distributed user access module, based on user's side information and described base-station node side information basisPredetermined access principle is selected the user of the described base station of access and node, and for the user resource allocation of selecting realThe user's of existing described selection access.
14. base-station nodes according to claim 9, is characterized in that, also comprise:
Information acquisition unit, for described access unit according to user's side information and base-station node side information withAnd select heterogeneous network configuration mode be before user resource allocation is realized user's access, user's side is believedBreath gathers the described user's side information that obtains, and described user's side information comprises that user's service quality QoS needsAsk;
Statistical computation unit, for described access unit according to user's side information and base-station node side information withAnd the heterogeneous network configuration mode of selecting is before user resource allocation is realized user's access, to described base stationNode side information is added up and is calculated, and obtains described base-station node side information, described base-station node side informationComprise the interference value in available resources, the available band of described base-station node, accessible portfolio and adjacentThe load capacity of base-station node.
15. according to the base-station node described in claim 9-12 any one, it is characterized in that, described detection is singleUnit is used for, and according to the requirement of QoS of survice demand, time delay, detects described base-station node and is adjacent base station jointThe reliability of signalling between point.
16. base-station nodes according to claim 9, is characterized in that, also comprise:
Parameter adjustment unit, for described access unit according to user's side information and base-station node side information withAnd the heterogeneous network configuration mode of selecting, for after user resource allocation realizes user's access, based on selectionHeterogeneous network configuration mode, adjust the parameter of described user's side and described base station joint according to customer service demandThe parameter of some side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387554.8A CN103139912B (en) | 2011-11-29 | 2011-11-29 | Method and the base-station node of user's access in heterogeneous network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387554.8A CN103139912B (en) | 2011-11-29 | 2011-11-29 | Method and the base-station node of user's access in heterogeneous network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103139912A CN103139912A (en) | 2013-06-05 |
| CN103139912B true CN103139912B (en) | 2016-05-25 |
Family
ID=48499076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110387554.8A Active CN103139912B (en) | 2011-11-29 | 2011-11-29 | Method and the base-station node of user's access in heterogeneous network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103139912B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682245A (en) * | 2014-11-20 | 2016-06-15 | 中兴通讯股份有限公司 | Network resource configuration method, device and system and network communication method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158964A (en) * | 2010-02-12 | 2011-08-17 | 华为技术有限公司 | Resource coordination method and device in communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3816334B2 (en) * | 2000-12-22 | 2006-08-30 | 株式会社エヌ・ティ・ティ・ドコモ | Radio resource allocation method and base station |
-
2011
- 2011-11-29 CN CN201110387554.8A patent/CN103139912B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158964A (en) * | 2010-02-12 | 2011-08-17 | 华为技术有限公司 | Resource coordination method and device in communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103139912A (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3136775B1 (en) | Modeling mobile network performance | |
| Kamel et al. | Ultra-dense networks: A survey | |
| US9848338B2 (en) | Small cell planning | |
| Fehske et al. | Small-cell self-organizing wireless networks | |
| US10123214B2 (en) | Method and apparatus for optimizing multi-protocol radio technology using local QOS advertising | |
| CN105307258B (en) | It is a kind of adjust pilot reference signal transmission power method and base station | |
| US20120236731A1 (en) | System and Method for Co-Channel Interference Measurement and Managed Adaptive Resource Allocation for Wireless Backhaul | |
| US10701627B2 (en) | Receiver start of packet optimization for wireless networks | |
| WO2015112200A1 (en) | Method and system for localizing interference in spectrum co-existence network | |
| KR20150022756A (en) | Wireless multi-site capacity coordination | |
| CN103024749A (en) | Method and device for dynamic management of frequency spectrum | |
| Kibiłda et al. | Infrastructure and spectrum sharing trade-offs in mobile networks | |
| US11606725B2 (en) | Wireless band priority metrics analysis and response | |
| US20130122884A1 (en) | Control apparatus, communication system and control method | |
| CN103796283B (en) | Select method, equipment and the system of serving cell | |
| CN103139912B (en) | Method and the base-station node of user's access in heterogeneous network | |
| CN106664183A (en) | Technique for selecting a set of radio resources | |
| Li et al. | Distributed channel assignment in cognitive radio networks | |
| Muñoz et al. | Capacity self-planning in small cell multi-tenant 5G networks | |
| US11317421B2 (en) | Cellular communications network | |
| CN103987079A (en) | Adjacent region interference determination method and device | |
| CN105813217A (en) | Simultaneous, same-frequency and full-duplex user quick clustering scheduling method | |
| CN108243490A (en) | A kind of method and device for reducing uplink interference | |
| KR20110136485A (en) | Method for resource management based on multi-layered network | |
| Riedi et al. | Channel and power allocation algorithm to optimize the performance of large WLANs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |