CN104507167A - Wireless resource distribution method, nodes and system - Google Patents
Wireless resource distribution method, nodes and system Download PDFInfo
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- CN104507167A CN104507167A CN201410747490.1A CN201410747490A CN104507167A CN 104507167 A CN104507167 A CN 104507167A CN 201410747490 A CN201410747490 A CN 201410747490A CN 104507167 A CN104507167 A CN 104507167A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Abstract
The invention provides a wireless resource distribution method, nodes and a system. The wireless resource distribution method is applied to a first node; a first return link and a second return link are included between the first node and a second node; the first return link is established on an Unlicensed frequency spectrum; the second return link is established on a frequency spectrum shared by an access UE of the first node and/or is established on a frequency spectrum shared by an access UE of the second node. The method comprises the following steps of: monitoring the transmission quality of the first return link and the second return link in real time; controlling the first return link and the second return link to transmit different types of data information according to the transmission quality of the first return link and the second return link. Therefore, the wireless resource distribution method, the nodes and the system provided by the invention have the advantages that first return equipment in the first node only needs to support the Unlicensed frequency spectrum, and a special return frequency spectrum does not need to be established, so that the cost is saved; simultaneously, rich Unlicensed frequency spectrum resources are utilized for providing high-capacity transmission bandwidth for the second node.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly, relate to a kind of wireless resource allocation methods, node and system.
Background technology
The sharp increase of the universal and subscriber traffic of intelligent terminal, has higher requirement to wireless network capacitance.According to the historical development rule of wireless network, the growth of future wireless network capacity still can increase along frequency spectrum, spectrum efficiency promotes and three the direction evolution of more intensive base station spacing.Wherein, more intensive base station deployment is the method for main and the most direct cordless communication network capacity boost, and this also means that future can dispose more base station, particularly lower powered base station, to meet the demand of future customer business datum to network capacity.But in the process of disposing these intensive base stations, operator will be faced with a series of challenge, and wherein the passback of last one kilometer is exactly one of them.
Passback, namely refer to from base station to controller or core net direction transmission wireless communication data.The technical scheme realizing in prior art returning comprises:
Scheme one, as shown in Figure 1, wherein website A directly connects bearer network, and website B directly connects passback UE (User Equipment, subscriber equipment), and passback UE and website A sets up wireless transfer channel, then connects bearer network again.Passback UE, access UE1, access UE2, belong to the terminal of website A, and it dynamically shares the resource of same frequency spectrum f.Here, the data returning UE transmission comprise the data that website B self produces and the data of all UE be connected with website B.In scheme one, website A can distribute fixing resource for passback UE, think the data transfer bandwidth that website B provides required, simultaneously website A also can in conjunction with the traffic carrying capacity request of the load of the UE of access website A and website B, for passback UE dynamic allocation of resources, think that website B provides dynamic data transfer bandwidth.
But be not difficult to find, in scheme one, website A can distribute to the resource-constrained of passback UE, particularly when the load of website A and the load of website B all higher time, first website A ensures that the service request of self access UE is to ensure the quality of service of the access UE of website A, there is provided required resource bandwidth cannot to passback UE, thus cannot meet the traffic carrying capacity request of the access UE of website B.
Scheme two, as shown in Figure 2, wherein website A comprises two mandate frequency spectrum f1 and f2, and its intermediate frequency spectrum f1 is used for providing required resource bandwidth for the access UE of website A, and frequency spectrum f2 is exclusively used in as the data back between website A and website B provides required resource bandwidth.The frequency spectrum f2 being exclusively used in data back with for providing the frequency spectrum f1 of required resource bandwidth separate for the access UE of website A, do not share.
Usually, the frequency spectrum f2 being exclusively used in data back in scheme two is that Sub-6GHz Licensed authorizes frequency spectrum resource.In order to ensure the data transfer bandwidth needed for website B, require that the special frequency spectrum of passback is abundant, and for not having special passback Sub-6GHz Licensed to authorize frequency spectrum or the operator that frequency spectrum resource is less, the program cannot be suitable for.
Scheme three, as shown in Figure 3, wherein website A comprises two mandate frequency spectrum f1 and f2, and a unlicensed spectrum f3, frequency spectrum f1 is wherein authorized to be used for providing required resource bandwidth for the access UE of website A, authorize frequency spectrum f2 to form return link 1, be exclusively used in as the data back between website A and website B provides required resource bandwidth.Unlicensed spectrum f3 is Unlicensed unlicensed spectrum, forms return link 2, with return link 1 jointly for the data back between website A and website B provides required resource bandwidth.The frequency spectrum f2 being wherein exclusively used in data back with for providing the frequency spectrum f1 of required resource bandwidth separate for the access UE of website A, do not share.
In scheme three, the frequency spectrum f2 being exclusively used in data back is that Sub-6GHz Licensed authorizes frequency spectrum resource, and because special Licensed frequency spectrum f2 resource is less, the transmission bandwidth that therefore can provide is less.Unlicensed frequency spectrum resource relative abundance, available transmission bandwidth is comparatively large, but due to Unlicensed frequency spectrum be shared, be easy to the interference being subject to miscellaneous equipment, the quality of resource bandwidth cannot be ensured.Therefore in actual application, important or high-priority data between website A and website B, transmission on the return link 1 preferentially formed at special Licensed frequency spectrum f2, and for the low data of priority, then be preferentially carried on the return link 2 that is made up of Unlicensed frequency spectrum.
Obviously, also need special passback Sub-6GHz Licensed to authorize frequency spectrum in scheme three, for not having special passback Sub-6GHz Licensed to authorize the operator of frequency spectrum, the program cannot be suitable for.
Therefore, prior art is when realizing passback, or website A can distribute to the resource-constrained of passback UE, cannot provide the upstream bandwidth of high power capacity for website B, need operator to set up special passback Sub-6GHz Licensed and authorize frequency spectrum, improve operation cost.
Summary of the invention
In view of this, the invention provides a kind of wireless resource allocation methods, node and system, without the need to setting up special passback Sub-6GHz Licensed frequency spectrum, and the transmission bandwidth of high power capacity can be provided simultaneously.Technical scheme is as follows:
First aspect, the invention provides a kind of wireless resource allocation methods, be applied to first node, the first return link and the second return link is comprised between described first node and Section Point, described first return link is based upon on unauthorized Unlicensed frequency spectrum, described second return link be based upon described first node access user equipment UE share frequency spectrum on, and/or be based upon described Section Point access UE share frequency spectrum on, described method comprises:
The transmission quality of the first return link and the second return link described in Real-Time Monitoring;
According to the transmission quality of described first return link and the second return link, control described first return link and the second return link transmits dissimilar data message.
In the first possible implementation of first aspect, the described transmission quality according to described first return link and the second return link, controls described first return link and the second return link and transmits dissimilar data message and comprise:
Judge whether the available resources of described first return link meet the data transfer demands between described first node and described Section Point;
When the available resources of described first return link meet the data transfer demands between described first node and described Section Point, control all types of data messages between first node and Section Point described in described first return link prioritised transmission; Or,
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, control the high-priority data between first node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described first node and Section Point.
In the first possible implementation of first aspect or first aspect, additionally provide the implementation that the second of first aspect is possible, also comprise:
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, and when judging that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described first node and Section Point.
In the first possible implementation of first aspect or in the possible implementation of the second of first aspect, additionally provide the third possible implementation of first aspect, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
In the first possible implementation of first aspect or first aspect or in the possible implementation of the second of first aspect or in the third possible implementation of first aspect, additionally provide the 4th kind of possible implementation of first aspect, also comprise:
The frequency spectrum resource of the access UE of first node described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described first node, remaining frequency spectrum resource is assigned on described second return link;
And/or,
The frequency spectrum resource of the access UE of Section Point described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described Section Point, remaining frequency spectrum resource is assigned on described second return link;
Now described second return link can be used for all types of data messages of transmitting between described first node and Section Point, the high-priority data described in prioritised transmission between first node and Section Point.
In the first possible implementation of first aspect or in the possible implementation of the second of first aspect or in the third possible implementation of first aspect or in the 4th kind of possible implementation of first aspect, additionally provide the 5th kind of possible implementation of first aspect, described high priority packets draws together high-priority users business datum, signaling data, Operation and Maintenance OM classes of messages data or grouping clock data.
Second aspect, the invention provides a kind of node, the first return link and the second return link is comprised between described node and Section Point, described first return link is based upon on unauthorized Unlicensed frequency spectrum, on the frequency spectrum that the access user equipment UE that described second return link is based upon described node shares, and/or be based upon described Section Point access UE share frequency spectrum on, described node comprises:
Monitoring means, for the transmission quality of the first return link and the second return link described in Real-Time Monitoring;
Control unit, for the transmission quality according to described first return link and the second return link, controls described first return link and the second return link transmits dissimilar data message.
In the first possible implementation of second aspect, described control unit comprises:
Judgment sub-unit, for judging whether the available resources of described first return link meet the data transfer demands between described node and described Section Point;
Control subelement, during for judging that the available resources of described first return link meet the data transfer demands between described node and described Section Point when described judgment sub-unit, control all types of data messages between node and Section Point described in described first return link prioritised transmission;
Or, during for judging that the available resources of described first return link do not meet the data transfer demands between described node and described Section Point when described judgment sub-unit, control the high-priority data between node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described node and Section Point.
In the first possible implementation of second aspect, additionally provide the implementation that the second of second aspect is possible, described control subelement also for:
When described judgment sub-unit judges that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described node and Section Point.
In the first possible implementation of second aspect or second aspect, additionally provide the third possible implementation of second aspect, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
In the first possible implementation of second aspect or second aspect or in the possible implementation of the second of second aspect or in the third possible implementation of second aspect, additionally provide the 4th kind of possible implementation of second aspect, also comprise:
First monitoring means, the frequency spectrum resource for the access UE of node described in Real-Time Monitoring takies situation;
First frequency spectrum resource distributes subelement, and in the frequency spectrum shared by the access UE of described node, remaining frequency spectrum resource is assigned to described second return link;
And/or,
Second monitoring means, the frequency spectrum resource for the access UE of Section Point described in Real-Time Monitoring takies situation;
Second frequency spectrum resource distributes subelement, and in the frequency spectrum shared by the access UE of described Section Point, remaining frequency spectrum resource is assigned to described second return link.
In the first possible implementation of second aspect or second aspect or in the possible implementation of the second of second aspect or in the third possible implementation of second aspect or in the 4th kind of possible implementation of second aspect, additionally provide the 5th kind of possible implementation of second aspect, described node comprises the first upstream device, and described Section Point comprises the second upstream device;
Described first return link is set up between described first upstream device and described second upstream device;
Set up described second return link between described second upstream device and described node, or set up described second return link between described first upstream device and described Section Point.
In the 5th kind of possible implementation of second aspect, described node is Long Term Evolution node LTEeNodeB, and described Section Point is LTE eNodeB, or universal mobile telecommunications system node UMTSNodeB;
Or described node is macro base station Macro eNodeB or micro-base station Micro eNodeB, and described Section Point is Micro eNodeB or femto base station Pico eNodeB;
Or described node is UMTS NodeB, described Section Point is UMTS NodeB.
The third aspect, the invention provides a kind of node, comprising: memory, processor, transmitter and receiver; Wherein,
Described memory is used for the program code that memory node controls wireless resource allocation methods;
Described processor for calling in described memory the described program code stored, with the transmission quality of Real-Time Monitoring first return link and the second return link; According to the transmission quality of described first return link and the second return link, control described first return link and the second return link transmits dissimilar data message;
Wherein, described first return link and the second return link are based upon between described node and Section Point respectively, described first return link is based upon on unauthorized Unlicensed frequency spectrum, described second return link be based upon described node access user equipment UE share frequency spectrum on, and/or be based upon described Section Point access UE share frequency spectrum on.
In the first possible implementation of the third aspect, described processor specifically for, when the available resources of described first return link meet the data transfer demands between described first node and described Section Point, control all types of data messages between first node and Section Point described in described first return link prioritised transmission; Or,
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, control the high-priority data between first node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described first node and Section Point.
In the first possible implementation of the third aspect or the third aspect, additionally provide the implementation that the second of the third aspect is possible, described processor also for, when the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, and when judging that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described first node and Section Point.
In the first possible implementation of the third aspect or in the possible implementation of the second of the third aspect, additionally provide the third possible implementation of the third aspect, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
In the first possible implementation of the third aspect or the third aspect or in the possible implementation of the second of the third aspect or in the third possible implementation of the third aspect, additionally provide the 4th kind of possible implementation of the third aspect, described processor also for, the frequency spectrum resource of the access UE of first node described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described first node, remaining frequency spectrum resource is assigned on described second return link;
And/or,
The frequency spectrum resource of the access UE of Section Point described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described Section Point, remaining frequency spectrum resource is assigned on described second return link;
Now described second return link can be used for all types of data messages of transmitting between described first node and Section Point, the high-priority data described in prioritised transmission between first node and Section Point.
In the first possible implementation of the third aspect or in the possible implementation of the second of the third aspect or in the third possible implementation of the third aspect or in the 4th kind of possible implementation of the third aspect, additionally provide the 5th kind of possible implementation of the third aspect, described high priority packets draws together high-priority users business datum, signaling data, Operation and Maintenance OM classes of messages data or grouping clock data.
Fourth aspect, the invention provides a kind of allocation of radio resources system, comprise at least one node as above described in any one of claim, and with at least two other nodes of described multi-node wireless communication, described at least two other nodes comprise Section Point and the 3rd node; Wherein,
The first return link and the second return link is comprised between described node and Section Point, the first return link and the 3rd return link is comprised between described node and the 3rd node, described first return link is based upon on unauthorized Unlicensed frequency spectrum, on the frequency spectrum that the access user equipment UE that described second return link is based upon described node shares, and/or, on the frequency spectrum that the access UE being based upon described Section Point shares, on the frequency spectrum that the access UE that described 3rd return link is based upon described node shares, and/or, on the frequency spectrum that the access UE being based upon described 3rd node shares,
Described node is according to described Section Point and the bandwidth resources request of the 3rd node and the transmission quality of described first return link, the second return link and the 3rd return link, control the Resourse Distribute for described Section Point and the 3rd node, and control described first return link, the second return link and the 3rd return link and transmit dissimilar data message.
Apply technique scheme of the present invention, the invention provides a kind of wireless resource allocation methods, node and system, the first return link and the second return link is comprised between first node and Section Point in the present invention, first return link is based upon on unauthorized Unlicensed frequency spectrum, on the frequency spectrum that the access UE that second return link is based upon first node shares, and/or be based upon Section Point access UE share frequency spectrum on, therefore the first upstream device in first node of the present invention only need support Unlicensed frequency spectrum, without the need to setting up special passback Sub-6GHz Licensed frequency spectrum, cost-saving.And utilize abundant Unlicensed frequency spectrum resource, for Section Point provides the transmission bandwidth of high power capacity simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is allocation of radio resources structural representation between website in prior art;
Fig. 2 is another structural representation of allocation of radio resources between website in prior art;
Fig. 3 is an allocation of radio resources structural representation again between website in prior art;
Fig. 4 is a kind of flow chart of a kind of wireless resource allocation methods provided by the invention;
Fig. 5 is the application scenarios structural representation of a kind of wireless resource allocation methods provided by the invention;
Fig. 6 is the first return link in the present invention when being subject to interference in various degree, available bandwidth situation of change;
Fig. 7 is the another kind of flow chart of a kind of wireless resource allocation methods provided by the invention;
Fig. 8 is a kind of dynamic radio resource distribution method provided by the invention;
Fig. 9 is the another kind of distribution method of a kind of dynamic radio resource provided by the invention;
Figure 10 is the structural representation of a kind of node provided by the invention;
Figure 11 is a kind of structural representation of control unit in a kind of node provided by the invention;
Figure 12 is the another kind of structural representation of control unit in a kind of node provided by the invention;
Figure 13 is the another kind of application scenarios structural representation of a kind of wireless resource allocation methods provided by the invention;
Figure 14 is the another kind of structural representation of a kind of node provided by the invention;
Figure 15 is the structural representation of a kind of allocation of radio resources system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 4 and Fig. 5, wherein Fig. 4 shows a kind of flow chart of a kind of wireless resource allocation methods provided by the invention, the method is applied to first node, and Fig. 5 shows the application scenarios structural representation of a kind of wireless resource allocation methods provided by the invention.
Comprise first node and Section Point in the present embodiment, the first return link and the second return link is comprised between first node and Section Point, wherein the first return link is based upon on Unlicensed frequency spectrum, second return link be based upon first node access UE share frequency spectrum on, and/or be based upon Section Point access UE share frequency spectrum on.In the following embodiments, the present invention is based upon on Unlicensed frequency spectrum with the first return link, for example is described on the frequency spectrum that the access UE that the second return link is based upon first node shares.Method comprises:
Step 101, the transmission quality of first node Real-Time Monitoring first return link and the second return link.
In the present embodiment, the transmission quality of return link can comprise the interference strength of return link or the available resources size of return link.The wherein communication quality isoparametric formulations of the available resources size of the return link also available return link maximum bandwidth that can provide and return link.
In actual application, Unlicensed frequency spectrum resource is public resource, the transmission bandwidth of high power capacity can be provided, and support that other user uses simultaneously, therefore, the first return link be based upon on Unlicensed frequency spectrum is easy to be subject to outside various interference, causes the first return link available transmission bandwidth that fluctuation change occurs.Shown in concrete consulted Fig. 6, it illustrates the first return link be based upon on Unlicensed frequency spectrum when being subject to interference in various degree, available bandwidth situation of change.
Step 102, the transmission quality of first node foundation the first return link and the second return link, controls the first return link and the second return link transmits dissimilar data message.
Concrete, as shown in Figure 7, it illustrates the another kind of flow chart of a kind of wireless resource allocation methods provided by the invention, step 102 can comprise further:
Step 1021, first node judges whether the available resources of the first return link meet the data transfer demands between first node and Section Point.If met, perform step 1022, perform step 1023 if do not met.
Wherein, the data transfer demands between first node and Section Point comprises the data transfer demands of the data transfer demands of Section Point self generation and all access UE of Section Point.The available resources of the first return link comprise the communication quality of amount of bandwidth that the first return link can provide or the first return link.Usually, the communication quality of the first return link also can further by the expression such as packet loss parameter of return link.
In the present embodiment, as shown in Figure 6, when the interference strength of the first return link is less, the available resources of the first return link are more, and when the interference strength of the first return link is larger, the available resources of the first return link are just much little.Therefore, the invention provides a kind of dynamic radio resource distribution method, as shown in Figure 8.Wherein, dotted line one represents the relation between the available resources of the first return link be based upon on Unlicensed frequency spectrum and interference strength, and dotted line two represents the relation between the available resources of the second return link on the frequency spectrum that the access UE being based upon first node shares and interference strength.
Step 1022, first node controls all types of data messages between the first return link prioritised transmission first node and Section Point.
As shown in Figure 8, when the external disturbance that the first return link be based upon on Unlicensed frequency spectrum is subject to is less, first return link can provide larger transmission bandwidth, namely the available resources of the first return link are enough to the data transfer demands that provides between first node and Section Point, now all types of data messages between first node and Section Point are all carried on the first return link, the first return link is utilized to complete the transmission of all types of data messages between first node and Section Point, to save the available resources of the second return link, and ensure that the quality of service of the access UE of first node.
Certainly, the present invention by signaling data and OM (Operational Maintenance, Operation and Maintenance) classes of messages Deta bearer on the second return link, can also experience for user provides data service at a high speed.
Step 1023, first node controls the high-priority data between the second return link prioritised transmission first node and Section Point, and controls all types of data messages between the first return link transmission first node and Section Point.
As shown in Figure 8, when the external disturbance that the first return link be based upon on Unlicensed frequency spectrum is subject to is larger, as there is moderate interference, the transmission bandwidth that first return link can provide reduces gradually, namely when the available resources of the first return link are now not enough to all data transfer demands provided between first node and Section Point, in order to ensure the normal transmission of high-priority data, being shifted gradually by some or all of high-priority data between first node and Section Point is carried on the second return link, control the second return link and only carry high-priority data between first node and Section Point, namely the high-priority data between the second return link prioritised transmission first node and Section Point is controlled.The first return link now also can be used for transmitting high-priority data, and simultaneously for transmitting low level data between first node and Section Point.
Wherein, high priority packets draws together high-priority users business datum, signaling data, OM classes of messages data or grouping clock data.Middle low level data comprises the user service data, OM download class data etc. of middle low priority.
In the present embodiment, the external disturbance be subject to due to the first return link is comparatively large, and its available resources are less, therefore the resource overabsorption of frequency spectrum that the access UE of first node can be shared of first node some to the second return link.
Step 1024, first node judges whether the available resources of the first return link are less than predetermined threshold value further, performs step 1025 if be less than, if be not less than, returned and performs step 1023.
Wherein predetermined threshold value is for showing whether the available resources of current first return link are in few not even upstate.When the available resources of the first return link are less than predetermined threshold value, show that current first return link is subject to more serious external disturbance, or be subject to outside malicious interference, cause the available resources of the first return link seldom even can not use, now, in order to ensure the transmission of the data that are important, high priority between first node and Section Point, perform step 1025.
Step 1025, first node controls all high-priority datas between the second return link transmission first node and Section Point.
Now, all high-priority datas between the second return link prioritised transmission first node and Section Point, after all high-priority datas complete transmission, continue all middle low level data between transmission first node and Section Point.
In addition, on the basis of above-described embodiment, can also comprise:
Step 1026, the frequency spectrum resource of the access UE of Real-Time Monitoring first node takies situation, and in the frequency spectrum share the access UE of first node, remaining frequency spectrum resource is assigned on the second return link.
Now the second return link is for transmitting all types of data messages between first node and Section Point, and the high-priority data between prioritised transmission first node and Section Point.
In actual application, when the access UE of first node is less or load is less, and when the access UE of Section Point is more or Section Point has a high capacity data service request, now no matter whether the first return link annoyance level is serious, first node in the present invention all can take situation by the dynamic realtime frequency spectrum resource of monitoring its access UE, and remaining frequency spectrum resource is distributed to the second return link between first node and Section Point.Remaining frequency spectrum resource dotted line three as shown in Figure 9.Now, the available transmission bandwidth of the second return link between first node and Section Point is larger, can transmit more user service data, for the high capacity data service request of Section Point provides transmission guarantee.Meanwhile, the present invention also takes full advantage of the idle frequency spectrum resource of first node, makes the maximum utilizationization of resource.
Based on a kind of wireless resource allocation methods provided by the invention above, the present invention also provides a kind of node, as shown in Figure 10, it illustrates the structural representation of a kind of node provided by the invention.The first return link and the second return link is comprised between this node and Section Point, wherein the first return link is based upon on Unlicensed frequency spectrum, second return link be based upon node access UE share frequency spectrum on, and/or be based upon Section Point access UE share frequency spectrum on.In the present embodiment, the frequency spectrum that the access UE being still based upon node for the second return link shares is described.Particularly, described node at least comprises:
Monitoring means 100, for the transmission quality of Real-Time Monitoring first return link and the second return link.
Control unit 200, for the transmission quality according to the first return link and the second return link, controls the first return link and the second return link transmits dissimilar data message.
In the present embodiment, the transmission quality of return link can comprise the interference strength of return link or the available resources size of return link.The wherein communication quality isoparametric formulations of the available resources size of the return link also available return link maximum bandwidth that can provide and return link.
Particularly, as shown in figure 11, it illustrates the structural representation of control unit in a kind of node provided by the invention, control unit 200 comprises judgment sub-unit 201, controls subelement 202.Wherein,
Judgment sub-unit 201, for judging whether the available resources of the first return link meet the data transfer demands between node and Section Point.
Wherein, the data transfer demands between node and Section Point comprises the data transfer demands of the data transfer demands of Section Point self generation and all access UE of Section Point.The available resources of the first return link comprise the communication quality of amount of bandwidth that the first return link can provide or the first return link.Usually, the communication quality of the first return link also can further by the expression such as packet loss parameter of return link.
Control subelement 202, during for judging data transfer demands that the available resources of the first return link meet between node and Section Point when judgment sub-unit 201, control all types of data messages between the first return link prioritised transmission node and Section Point;
And during for judging data transfer demands that the available resources of the first return link are discontented with between podomere point and Section Point when judgment sub-unit 201, control the high-priority data between the second return link prioritised transmission node and Section Point, and control all types of data messages between the first return link transmission node and Section Point.
Preferably, control subelement 202 also for when judgment sub-unit 201 judges that the available resources of the first return link are less than predetermined threshold value, control all high-priority datas between the second return link transmission node and Section Point.
In the present embodiment, high priority packets draws together high-priority users business datum, signaling data, OM classes of messages data or grouping clock data.Middle low level data comprises the user service data, OM download class data etc. of middle low priority.
In addition, refer to Figure 12, it illustrates the another kind of structural representation of control unit in a kind of node provided by the invention, also comprise: the first monitoring means 203, first frequency spectrum resource distributes subelement 204, and/or the second monitoring means 205 and the second frequency spectrum resource distribute subelement 206.Wherein,
First monitoring means 203, the frequency spectrum resource for the access UE of Real-Time Monitoring node takies situation;
First frequency spectrum resource distributes subelement 204, and in the frequency spectrum shared by the access UE of node, remaining frequency spectrum resource is assigned to the second return link;
Second monitoring means 205, the frequency spectrum resource for the access UE of Real-Time Monitoring Section Point takies situation;
Second frequency spectrum resource distributes subelement 206, and in the frequency spectrum shared by the access UE of Section Point, remaining frequency spectrum resource is assigned to the second return link.
In the present embodiment, the first monitoring means 203 and the second monitoring means 205 can be integrated into a monitoring subelement, and the frequency spectrum resource that this monitoring subelement can be used for the access UE of each node of Real-Time Monitoring self takies situation.First frequency spectrum resource distributes subelement 204 and the second frequency spectrum resource distribution subelement 206 can be integrated into a frequency spectrum resource distribution subelement, this frequency spectrum resource distributes subelement and takies situation for the frequency spectrum resource of monitoring the access UE of each node self obtained according to monitoring subelement, and in the frequency spectrum shared by the access UE of different node respectively, remaining frequency spectrum resource is assigned on the second return link corresponding with it.
In the present invention, node can comprise the first upstream device, and Section Point can comprise the second upstream device, and as shown in figure 13, it sets up the first return link between the first upstream device and the second upstream device; Between the second upstream device and node, set up the second return link, or set up the second return link between the first upstream device and Section Point.
Upstream device in certain the present invention can also merge or partial fusion with corresponding node device, such as: the first upstream device and the first node equipment of first node side merge or partial fusion, the second upstream device and the Section Point equipment of Section Point side merge or partial fusion.When the first upstream device of first node side and first node equipment merge completely, the function of first node equipment now comprises: the access UE for first node provides to set up between the first return link and Section Point between frequency spectrum resource and the second upstream device of Section Point and sets up the second return link.
Particularly, the node in the present invention can be Long Term Evolution node LTE eNodeB, and Section Point is LTE eNodeB, or universal mobile telecommunications system node UMTS NodeB;
Or node is macro base station Macro eNodeB or micro-base station Micro eNodeB, and Section Point is Micro eNodeB or femto base station Pico eNodeB;
Or node is UMTS NodeB, Section Point is UMTS NodeB.
In actual applications, first node is LTE eNodeB, and Section Point is also LTE eNodeB, or first node is UMTS NodeB, Section Point is also UMTS NodeB, or first node and Section Point are all kinds base station equipment such as Macro eNodeB or Micro eNodeB.In typical case, first node is Macro eNodeB, directly connects bearer network, and Section Point is Micro eNodeB or Pico eNodeB.Because Micro eNodeB or Pico eNodeB node are a lot, and more disperse, transfer resource is difficult to obtain.Therefore in dense city, these Micro eNodeB or constitute non line of sight or approximate line-of-sight transmission environment in a lot of situation between Pico eNodeB and first node.And prior art dispose these intensive base stations time, need optical fiber to be deployed to respectively in each node, and due to base-station node numerous, cause lower deployment cost very high.If adopt high-frequency microwave technology, and only support line-of-sight transmission due to high-frequency microwave technology, the non line of sight transmission environment of dense city cannot be met.
Based on this, the invention provides a kind of low cost and the wireless resource allocation methods of the backhaul transport of easily disposing fast, the second return link set up between first node and Section Point in the method, the access UE of itself and first node shares same frequency spectrum f1.On the Unlicensed frequency spectrum of high power capacity, set up the first return link between the first upstream device of first node and the second upstream device of Section Point simultaneously.Therefore the first node in the present invention can access the overall load situation of UE according to it, be that the second return link distributes frequency spectrum resource.Direction from first node to Section Point, first node is according to the transmission quality situation of the first return link and the second return link, comprise the information such as packet loss, time delay of available transmission bandwidth, transmission link, and need the data type of past Section Point transmission, decision-making and which Deta bearer of execution transmit to the first return link, and which Deta bearer transmits to the second return link.Direction from Section Point to first node, the bearing mode of data also can be carried out decision data by the second upstream device in Section Point be carried on the first return link, is still carried on the second return link.
The embodiment of the present invention additionally provides a kind of node, node may be the host server comprising computing capability, or personal computer PC, or portable portable computer or terminal etc., the specific embodiment of the invention does not limit the specific implementation of node.
Figure 14 is the another kind of structural representation of node provided by the invention.As shown in figure 14, node 1000 comprises:
Processor (processor) 1110, communication interface (Communications Interface) 1120, memory (memory) 1130, bus 1140.
Processor 1110, communication interface 1120, memory 1130 completes mutual communication by bus 1140.
Processor 1110, for executive program 1111.
Particularly, program 1111 can comprise program code, and described program code comprises computer-managed instruction.
Processor 1110 may be a central processor CPU, or specific integrated circuit ASIC (Application Specific Integrated Circuit), or is configured to the one or more integrated circuits implementing the embodiment of the present invention.
Memory 1130, for depositing program 1111.Memory 1130 may comprise high-speed RAM memory, still may comprise nonvolatile memory (non-volatile memory), such as at least one magnetic disc store.Program 1111 specifically can comprise: the transmission quality of the first return link and the second return link described in Real-Time Monitoring; According to the transmission quality of described first return link and the second return link, control described first return link and the second return link transmits dissimilar data message.
Preferably, the described transmission quality according to described first return link and the second return link, controls described first return link and the second return link and transmits dissimilar data message and comprise:
Judge whether the available resources of described first return link meet the data transfer demands between described first node and described Section Point;
When the available resources of described first return link meet the data transfer demands between described first node and described Section Point, control all types of data messages between first node and Section Point described in described first return link prioritised transmission; Or,
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, control the high-priority data between first node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described first node and Section Point.
Preferably, also comprise:
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, and when judging that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described first node and Section Point.
Preferably, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
Preferably, also comprise:
The frequency spectrum resource of the access UE of first node described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described first node, remaining frequency spectrum resource is assigned on described second return link;
And/or,
The frequency spectrum resource of the access UE of Section Point described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described Section Point, remaining frequency spectrum resource is assigned on described second return link;
Now described second return link can be used for all types of data messages of transmitting between described first node and Section Point, the high-priority data described in prioritised transmission between first node and Section Point.
Preferably, described high priority packets draws together high-priority users business datum, signaling data, Operation and Maintenance OM classes of messages data or grouping clock data.
The present invention also provides a kind of allocation of radio resources system, comprises at least one node as above, and with at least two other nodes of this multi-node wireless communication, described at least two other nodes comprise Section Point and the 3rd node.As shown in figure 15, wherein,
Comprise the first return link and the second return link between node and Section Point, between node and the 3rd node, comprise the first return link and the 3rd return link.Wherein, first return link is based upon on Unlicensed frequency spectrum, on the frequency spectrum that the access UE that second return link is based upon node shares, and/or, on the frequency spectrum that the access UE being based upon Section Point shares, on the frequency spectrum that the access UE that 3rd return link is based upon node shares, and/or, on the frequency spectrum that the access UE being based upon the 3rd node shares.
In the present invention, node, namely first node can according to Section Point and the bandwidth resources request of the 3rd node and the transmission quality of the first return link, the second return link and the 3rd return link, control the Resourse Distribute for Section Point and the 3rd node, and control the first return link, the second return link and the 3rd return link and transmit dissimilar data message.
In the present embodiment, when this allocation of radio resources system comprises multiple node, in advance a control law can be set in the first node be connected with multiple node, such as, when at a time first node receives the bandwidth resources request from Section Point and the 3rd node simultaneously, first node considers the first return link set up with Section Point and the 3rd node respectively, the transmission quality of the second return link and the 3rd return link, be controlled as Section Point and the certain resource of the 3rd peer distribution, with the guarantee providing Section Point and the 3rd node all can realize minimum transmission data.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above a kind of wireless resource allocation methods provided by the present invention, node and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (20)
1. a wireless resource allocation methods, be applied to first node, it is characterized in that, the first return link and the second return link is comprised between described first node and Section Point, described first return link is based upon on unauthorized Unlicensed frequency spectrum, described second return link be based upon described first node access user equipment UE share frequency spectrum on, and/or be based upon described Section Point access UE share frequency spectrum on, described method comprises:
The transmission quality of the first return link and the second return link described in Real-Time Monitoring;
According to the transmission quality of described first return link and the second return link, control described first return link and the second return link transmits dissimilar data message.
2. method according to claim 1, is characterized in that, the described transmission quality according to described first return link and the second return link, controls described first return link and the second return link and transmits dissimilar data message and comprise:
Judge whether the available resources of described first return link meet the data transfer demands between described first node and described Section Point;
When the available resources of described first return link meet the data transfer demands between described first node and described Section Point, control all types of data messages between first node and Section Point described in described first return link prioritised transmission; Or,
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, control the high-priority data between first node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described first node and Section Point.
3. method according to claim 1 and 2, is characterized in that, also comprises:
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, and when judging that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described first node and Section Point.
4. according to the method in claim 2 or 3, it is characterized in that, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
5. the method according to any one of claim 1-4, is characterized in that, also comprises:
The frequency spectrum resource of the access UE of first node described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described first node, remaining frequency spectrum resource is assigned on described second return link;
And/or,
The frequency spectrum resource of the access UE of Section Point described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described Section Point, remaining frequency spectrum resource is assigned on described second return link;
Now described second return link can be used for all types of data messages of transmitting between described first node and Section Point, the high-priority data described in prioritised transmission between first node and Section Point.
6. the method according to any one of claim 2-5, is characterized in that, described high priority packets draws together high-priority users business datum, signaling data, Operation and Maintenance OM classes of messages data or grouping clock data.
7. a node, it is characterized in that, the first return link and the second return link is comprised between described node and Section Point, described first return link is based upon on unauthorized Unlicensed frequency spectrum, on the frequency spectrum that the access user equipment UE that described second return link is based upon described node shares, and/or be based upon described Section Point access UE share frequency spectrum on, described node comprises:
Monitoring means, for the transmission quality of the first return link and the second return link described in Real-Time Monitoring;
Control unit, for the transmission quality according to described first return link and the second return link, controls described first return link and the second return link transmits dissimilar data message.
8. node according to claim 7, is characterized in that, described control unit comprises:
Judgment sub-unit, for judging whether the available resources of described first return link meet the data transfer demands between described node and described Section Point;
Control subelement, during for judging that the available resources of described first return link meet the data transfer demands between described node and described Section Point when described judgment sub-unit, control all types of data messages between node and Section Point described in described first return link prioritised transmission;
Or, during for judging that the available resources of described first return link do not meet the data transfer demands between described node and described Section Point when described judgment sub-unit, control the high-priority data between node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described node and Section Point.
9. node according to claim 8, is characterized in that, described control subelement also for:
When described judgment sub-unit judges that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described node and Section Point.
10. node according to claim 8 or claim 9, is characterized in that, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
11. nodes according to any one of claim 7-10, is characterized in that, also comprise:
First monitoring means, the frequency spectrum resource for the access UE of node described in Real-Time Monitoring takies situation;
First frequency spectrum resource distributes subelement, and in the frequency spectrum shared by the access UE of described node, remaining frequency spectrum resource is assigned to described second return link;
And/or,
Second monitoring means, the frequency spectrum resource for the access UE of Section Point described in Real-Time Monitoring takies situation;
Second frequency spectrum resource distributes subelement, and in the frequency spectrum shared by the access UE of described Section Point, remaining frequency spectrum resource is assigned to described second return link.
12. nodes according to any one of claim 7-11, it is characterized in that, described node comprises the first upstream device, and described Section Point comprises the second upstream device;
Described first return link is set up between described first upstream device and described second upstream device;
Set up described second return link between described second upstream device and described node, or set up described second return link between described first upstream device and described Section Point.
13. nodes according to claim 12, is characterized in that,
Described node is Long Term Evolution node LTE eNodeB, and described Section Point is LTE eNodeB, or universal mobile telecommunications system node UMTS NodeB;
Or described node is macro base station Macro eNodeB or micro-base station Micro eNodeB, and described Section Point is Micro eNodeB or femto base station Pico eNodeB;
Or described node is UMTS NodeB, described Section Point is UMTS NodeB.
14. 1 kinds of nodes, is characterized in that, comprising: memory, processor, transmitter and receiver; Wherein,
Described memory is used for the program code that memory node controls wireless resource allocation methods;
Described processor for calling in described memory the described program code stored, with the transmission quality of Real-Time Monitoring first return link and the second return link; According to the transmission quality of described first return link and the second return link, control described first return link and the second return link transmits dissimilar data message;
Wherein, described first return link and the second return link are based upon between described node and Section Point respectively, described first return link is based upon on unauthorized Unlicensed frequency spectrum, described second return link be based upon described node access user equipment UE share frequency spectrum on, and/or be based upon described Section Point access UE share frequency spectrum on.
15. nodes according to claim 14, is characterized in that,
Described processor specifically for, when the available resources of described first return link meet the data transfer demands between described first node and described Section Point, control all types of data messages between first node and Section Point described in described first return link prioritised transmission; Or,
When the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, control the high-priority data between first node and Section Point described in described second return link prioritised transmission, and control described first return link and transmit all types of data messages between described first node and Section Point.
16. nodes according to claims 14 or 15, is characterized in that,
Described processor also for, when the available resources of described first return link do not meet the data transfer demands between described first node and described Section Point, and when judging that the available resources of described first return link are less than predetermined threshold value, control described second return link and transmit all high-priority datas between described first node and Section Point.
17. nodes according to claim 15 or 16, is characterized in that, the available resources of described first return link comprise the communication quality of amount of bandwidth that described first return link provides or described first return link.
18. nodes according to claim 14 or 17, is characterized in that,
Described processor also for, the frequency spectrum resource of the access UE of first node described in Real-Time Monitoring takies situation, by the access UE of described first node share frequency spectrum in remaining frequency spectrum resource be assigned on described second return link;
And/or,
The frequency spectrum resource of the access UE of Section Point described in Real-Time Monitoring takies situation, and in the frequency spectrum share the access UE of described Section Point, remaining frequency spectrum resource is assigned on described second return link;
Now described second return link can be used for all types of data messages of transmitting between described first node and Section Point, the high-priority data described in prioritised transmission between first node and Section Point.
19. nodes according to claim 15 or 18, is characterized in that, described high priority packets draws together high-priority users business datum, signaling data, Operation and Maintenance OM classes of messages data or grouping clock data.
20. 1 kinds of allocation of radio resources systems, it is characterized in that, comprise at least one node as above described in any one of claim 7-13, and with at least two other nodes of described multi-node wireless communication, described at least two other nodes comprise Section Point and the 3rd node; Wherein,
The first return link and the second return link is comprised between described node and Section Point, the first return link and the 3rd return link is comprised between described node and the 3rd node, described first return link is based upon on unauthorized Unlicensed frequency spectrum, on the frequency spectrum that the access user equipment UE that described second return link is based upon described node shares, and/or, on the frequency spectrum that the access UE being based upon described Section Point shares, on the frequency spectrum that the access UE that described 3rd return link is based upon described node shares, and/or, on the frequency spectrum that the access UE being based upon described 3rd node shares,
Described node is according to described Section Point and the bandwidth resources request of the 3rd node and the transmission quality of described first return link, the second return link and the 3rd return link, control the Resourse Distribute for described Section Point and the 3rd node, and control described first return link, the second return link and the 3rd return link and transmit dissimilar data message.
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