CN102387594B - Resource distributing method and equipment - Google Patents
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- CN102387594B CN102387594B CN201010273869.5A CN201010273869A CN102387594B CN 102387594 B CN102387594 B CN 102387594B CN 201010273869 A CN201010273869 A CN 201010273869A CN 102387594 B CN102387594 B CN 102387594B
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Abstract
The embodiment of the invention relates to the technical field of wireless communication, in particular to a resource distributing method and resource distributing equipment, which are used for providing a scheme for distributing the resources of a PDCCH (Physical Downlink Control Channel) during space division multiplexing to increase the quantity of terminals which can be accommodated by a system and a throughput peak value which can be reached by the system. The method provided by the embodiment of the invention comprises the following steps of: distributing physical resources of a channel of a master terminal; determining slave terminals which are matched with the master terminal according to the channel convergence level of the master terminal and the distributed physical resources; and distributing the physical resources which are the same as those of the master terminal for the channel of every slave terminal. In the embodiment of the invention, the scheme for distributing the resources of the PDCCH during space division multiplexing is provided, so that the quantity of the terminals which can be accommodated by the system and the throughput peak value which can be reached by the system are increased.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of method and apparatus of Resources allocation.
Background technology
PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) be the physical channel for transmitting Downlink Control Information, the information such as the downlink data resource location of terminal and ascending resource distribution all need to indicate by the DCI in PDCCH (Downlink Control Information, Downlink Control Information).Along with the increase of terminal number, its required control information amount also increases thereupon, after the descending control stock number in system reaches capacity, thereby just need to carry out the sky point open ended number of terminals of increase system to PDCCH, improves overall system capacity.
Space division multiplexing mainly refers to the technology that realizes resource multiplex by the space isolation of terminal room, be that base station is the identical running time-frequency resource of terminal distribution being in different separate space, thereby the utilance that improves resource, significantly improves the throughput of system and the message transmission rate of terminal.
Space division multiplexing technology can be widely used in indoor and outdoors scene, both can be for having promoted capacity, message transmission rate and the system spectrum utilance of community, and also can be for improving the covering performance of special screne.For example in the indoor space division multiplexing of carrying out floor gap, can make the identical resource of terminal multiplexing of multiple floors, thereby significantly improve power system capacity, reduce terminal cross floor Shi community simultaneously and switched.Again such as, outdoor, space division multiplexing is applied to the covering of high-speed railway, can reduce in the short time that terminal causes due to high-speed mobile community frequently and switch, effectively improved system covering performance.
If adopt empty point of data channel in SDM system, the mode that PDCCH is not empty point, the in the situation that in system, number of terminals increasing, likely occur controlling shortage of resources, thereby the open ended number of terminals of the system that limited has reduced the throughput peak value that system can reach.But while also there is no a kind of space division multiplexing at present, distribute the scheme of the resource of PDCCH.
In sum, distribute the scheme of the resource of PDCCH owing at present also there is no a kind of space division multiplexing, thereby the open ended number of terminals of the system that limited has reduced the throughput peak value that system can reach.
Summary of the invention
The embodiment of the present invention provides the method and apparatus of Resources allocation, distributes the scheme of the resource of PDCCH when a kind of space division multiplexing to be provided, thereby has improved the throughput peak value that the open ended number of terminals of system and system can reach.
The method of a kind of Resources allocation that the embodiment of the present invention provides, comprising:
For the channel allocation physical resource of master terminal;
According to the channel polymerization grade of described master terminal and the physical resource of distribution, determine with the pairing of described master terminal from terminal;
For each described from the channel allocation of the terminal physical resource identical with master terminal.
A kind of network equipment that the embodiment of the present invention provides, comprising:
The first distribution module, is used to the channel allocation physical resource of master terminal;
From terminal deciding module, according to the channel polymerization grade of described master terminal and the physical resource of distribution, determine with the pairing of described master terminal from terminal;
The second distribution module, is used to each described from the channel allocation of the terminal physical resource identical with master terminal.
When the embodiment of the present invention provides a kind of space division multiplexing, distribute the scheme of the resource of PDCCH, thereby improved the throughput peak value that the open ended number of terminals of system and system can reach;
Further, the scheme of the embodiment of the present invention also has the following advantages: without the RNTI to terminal (Radio Network Temporary Identity, wireless network is identified) temporarily, plan; Be paired into power higher, can meet system requirements; When pairing, consider user's priority, and substantially can reach the multiplexing tuple maximization of PDCCH.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention network equipment;
Fig. 2 is the method flow schematic diagram of embodiment of the present invention Resources allocation;
Fig. 3 is the method flow schematic diagram that embodiment of the present invention PDCCH space division multiplexing resource is distributed.
Embodiment
The embodiment of the present invention is according to the channel polymerization grade of master terminal and the physical resource of distribution, determine with master terminal pairing from terminal, be each channel allocation from terminal physical resource identical with master terminal.The channel of the embodiment of the present invention can be PDCCH, distributes the scheme of the resource of PDCCH when a kind of space division multiplexing is provided, thereby has improved the throughput peak value that the open ended number of terminals of system and system can reach.
Wherein, the channel of the embodiment of the present invention can be PDCCH, can be also other and the similar channel of PDCCH resource distribution mode.Such as base station can not be terminal distribution physical resource (being running time-frequency resource) flexibly, terminal can only be selected available physical resource on the physical resource in search volume corresponding to its RNTI, because RNTI base station when accessing at random of terminal is its distribution, so again can not change before access, that is to say that the channel that meets the above-mentioned method of salary distribution is all to use the embodiment of the present invention.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 1, the network equipment of the embodiment of the present invention comprises: the first distribution module 10 and from terminal deciding module 20.
The first distribution module 10, is used to the channel allocation physical resource of master terminal.
From terminal deciding module 20, according to the channel polymerization grade of master terminal and the physical resource of distribution, determine with master terminal pairing from terminal.
The second distribution module 30, is used to each channel allocation from terminal physical resource identical with master terminal.
Wherein, a terminal in master terminal Ye Shi community, that is to say and need to from community, select a master terminal.Concrete, the network equipment of the embodiment of the present invention can further include: master terminal determination module 40.
Master terminal determination module 40, for the terminal (the terminal that all needs are dispatched) from all physical resources that need allocated channel, selects a terminal as master terminal.
Further, if determined master terminal and with master terminal pairing from terminal, in the terminal of all physical resources that need allocated channel, just should reject definite terminal.Concrete, master terminal determination module 40 can also from terminal deciding module 20, determine with master terminal pairing after terminal, by master terminal with from terminal, from need the terminal of physical resource of allocated channel, delete, and judge whether the terminal of the physical resource that needs in addition allocated channel;
Definite, need in addition after the terminal of physical resource of allocated channel, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal, and trigger the channel allocation physical resource that the first distribution module 10 is master terminal;
Do not need after the terminal of physical resource of allocated channel determining, determine that all terminals have all distributed physical resource.
Master terminal determination module 40 can sort the terminal of all physical resources that need allocated channel, such as sorting according to dispatching priority, then according to dispatching priority, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal.Preferably, can from the terminal of all physical resources that need allocated channel, select to turn down terminal that priority is the highest as master terminal; Certainly, also can be greater than from turning down priority the terminal of threshold value and select a terminal as master terminal, the size of threshold value and the height of dispatching priority can be set as required.
It should be noted that, the embodiment of the present invention determines that master terminal is not limited to dispatching priority and a kind of mode, and other modes that can determine master terminal are all applicable to the embodiment of the present invention, such as random selection, according to signal quality selection etc.
Wherein, the first distribution module 10 is when being the channel allocation physical resource of master terminal, can determine the physical resource of unoccupied (being that candidate channel takies) in the search volume under the channel polymerization grade of master terminal, then from definite physical resource, select a physical resource, and be the physical resource of the channel allocation selection of master terminal.
The first distribution module 10 selects the mode of physical resource to include but not limited to the one in following manner:
According to the logic indexed sequential of physical resource, from definite physical resource, select a physical resource;
A physical resource of random selection from definite physical resource;
Determine that on each unappropriated physical resource, can support and the quantity from terminal master terminal pairing, and select corresponding quantity to be greater than a physical resource of threshold value.Preferably, can also select a physical resource of corresponding quantity maximum.
Concrete, the first distribution module 10 is determined RNTI and the channel polymerization grade of master terminal, and according to CCEs (the Control Channel Element of channel candidate channel occupancy in the search volume under the channel polymerization grade of RNTI and channel polymerization classification master terminal, control channel element), i.e. physical resource.
The first distribution module 10 can be determined CCEs by formula one:
formula one.
Wherein i=0 ..., L-1; M=0 ..., M
(L)-1; M
(L)it is the number that needs the signal detecting in given search volume; L is channel polymerization grade; N
cCE, Kit is the number of the total CCE in the control area in subframe k; Y
k=(AY
k-1) modD; Y
-1=n
rNTI≠ 0, A=39827, D=65537,
n
sit is a timeslot number in radio frames.
If the first distribution module 10, according to the logic indexed sequential of physical resource, is selected a physical resource from definite physical resource, can be according to formula one, m, according to value from small to large, is obtained to the logic indexed sequential of physical resource.Preferably, can select first physical resource; Certainly, also can select in a front n physical resource, the size of n can be set as required.
If the first distribution module 10 is determined the upper quantity from terminal of matching with master terminal that can support of each CCEs (being unappropriated physical resource), and select the CCEs from number of users maximum that can support, the first distribution module 10 can be according to formula one, by m according to value from small to large, find successively the CCEs of channel candidate channel occupancy in the search volume under channel polymerization grade, then respectively different CCEs is carried out from terminal inquiry, search from the CCEs of the quantity maximum of terminal, and select it as CCEs corresponding to master terminal; Certainly, also can from being greater than the CCEs of threshold value, the quantity from terminal finding select one as CCEs corresponding to master terminal.Concrete threshold size can be set as required.
Different CCEs is carried out can first according to formula one, calculating from the method for terminal inquiry to the CCEs of the each candidate channel of primary user, then calculate respectively each candidate channel from terminal number.Such as m=1 is candidate channel, one method is: first according to the CCEs of the RNTI of master terminal and polymerization rating calculation m=1, be designated as CCEs_1, then according to the RNTI of terminal under this polymerization grade in all systems, calculate the CCEs that different m are corresponding respectively, when identical with CCEs_1, record RNTI and the m value of this terminal, terminal is put into from terminal set, finally all terminals from terminal set are divided into groups according to home space, the number of the remaining set except corresponding group of master terminal home space is the number from terminal corresponding to candidate channel of m=1, similarly calculate under other m values from terminal number.
That from terminal deciding module 20, determines need to guarantee to meet following four conditions from terminal:
Condition 1, identical with the channel polymerization grade of master terminal with the channel polymerization grade from terminal of master terminal pairing.
Condition 2, be included as with the search volume from terminal of master terminal pairing the physical resource that master terminal distributes.
Condition 3, different with the home space of master terminal from the home space of terminal from master terminal pairing.
In condition 4, each home space, only has one from terminal and master terminal pairing.
The physical resource that search volume in condition 2 is included as master terminal distribution comprises two kinds of situations.Situation one, from the search volume of terminal with for master terminal distribute physical resource just in time overlap; Situation two, overlapping with the physical resource distributing for master terminal from the search volume of terminal, and the physical resource distributing for master terminal is just in time positioned at overlapping region.
In each home space in condition 4, only have the meaning from terminal and master terminal pairing to be: each home space may have with master terminal matches from terminal, may not match from terminal with master terminal yet, if but have with master terminal pairing from terminal, can only have one from terminal and this master terminal, to match.
For two kinds of situations in condition 2, can represent with formula two, such as for LTE system, if master terminal S1 take the m on search volume
s1individual channel, is and can matches terminal as long as terminal S2 search volume meets formula two terminal S2:
Wherein m
s1, m
s2can equate (being the first situation), also can not wait (being second case).After successful matching, the second distribution module 30 for terminal S2 distribute resource location be m in search volume
s1or m
s2candidate channel.
From terminal deciding module 20, determine from the mode of terminal, have a variety ofly, enumerate several below:
Mode one, the terminal from terminal deciding module 20 from all physical resources that need allocated channel except master terminal, search identically with the channel polymerization grade of master terminal, and search volume is included as the terminal of physical resource that master terminal distributes;
From terminal deciding module 20, the terminal finding is divided into groups, wherein the home space of all terminals in every group is identical;
From terminal deciding module 20, determine the different group of home space all and master terminal, and from determine each group, select respectively a terminal as with master terminal match from terminal.
The home space of all terminals in every group is identical is that terminal corresponding same home space is divided into the Yi nationality, distributed over Yunnan, Sichuan and Guizhou, such as having terminal 1, terminal 2 and 3 three terminals of terminal, corresponding home space is respectively A, A and B, terminal 1 and terminal 2 is divided into one group, and terminal 3 is in another group.
Determine that the different group of home space all and master terminal is exactly to reject the group identical with the home space of master terminal, selects a terminal in remaining each group.
Mode two, from terminal deciding module 20, the terminal of all physical resources that need allocated channel except master terminal is divided into groups, wherein the home space of all terminals in every group is identical;
From terminal deciding module 20, determine the different group of home space all and master terminal, and from determine each group, select respectively a terminal as with master terminal pairing from terminal, the channel polymerization grade of terminal of wherein selecting is identical with the channel polymerization grade of master terminal, and the search volume of the terminal of selecting is included as the terminal of the physical resource of master terminal distribution.
In mode one and mode two, from terminal deciding module 20 from group, select a terminal as with master terminal pairing from terminal time, if there are multiple terminals in all the other groups, selected terminal at random, also can be according to according to dispatching priority or pairing terminal room interference value, from determine each group, select terminal.Such as can be from group from terminal deciding module 20 dispatching priority of terminal be greater than in the terminal of threshold value and select a terminal; Preferably can be from group the terminal of selection scheduling priority maximum.From terminal deciding module 20 can also be from group the pairing terminal room interference value of terminal be less than in the terminal of threshold value and select a terminal; Preferably can from group, select the terminal of pairing terminal room interference value minimum.Above-mentioned two threshold values can be set as required.
In concrete enforcement, the network equipment of the embodiment of the present invention can be base station (such as macro base station, evolution base station, Home eNodeB etc.), can be also RN (relaying) equipment, can also be other network equipment.
As shown in Figure 2, the method for embodiment of the present invention Resources allocation comprises the following steps:
Wherein, a terminal in master terminal Ye Shi community, that is to say and need to from community, select a master terminal.Concrete, before step 201, can further include:
Further, if determined master terminal and with master terminal pairing from terminal, in the terminal of all physical resources that need allocated channel, just should reject definite terminal.Concrete, after step 202, can further include:
By master terminal with from terminal, from need the terminal of physical resource of allocated channel, delete, and judge whether the terminal of the physical resource that needs in addition allocated channel;
Definite, need in addition after the terminal of physical resource of allocated channel, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal, and return to step 201;
Do not need after the terminal of physical resource of allocated channel determining, determine that all terminals have all distributed physical resource.
In step 200, the terminal of all physical resources that need allocated channel can be sorted, such as sorting according to dispatching priority, then according to dispatching priority, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal.Preferably, can from the terminal of all physical resources that need allocated channel, select to turn down terminal that priority is the highest as master terminal; Certainly, also can be greater than from turning down priority the terminal of threshold value and select a terminal as master terminal, the size of threshold value and the height of dispatching priority can be set as required.
It should be noted that, the embodiment of the present invention determines that master terminal is not limited to dispatching priority and a kind of mode, and other modes that can determine master terminal are all applicable to the embodiment of the present invention, such as random selection, according to signal quality selection etc.
In step 201, when being the channel allocation physical resource of master terminal, can determine unappropriated physical resource in the search volume under the channel polymerization grade of master terminal, then from definite physical resource, select a physical resource, and be the physical resource that the channel allocation of master terminal is selected.
Wherein, select the mode of physical resource to include but not limited to the one in following manner:
According to the logic indexed sequential of physical resource, from definite physical resource, select a physical resource;
A physical resource of random selection from definite physical resource;
Determine that on each unappropriated physical resource, can support and the quantity from terminal master terminal pairing, and select corresponding quantity to be greater than a physical resource of threshold value.
Concrete, RNTI and the channel polymerization grade of first definite master terminal in step 201, then according to the CCEs of channel candidate channel occupancy in the search volume under the channel polymerization grade of RNTI and channel polymerization classification master terminal, i.e. physical resource.In concrete enforcement, can determine CCEs by formula one
If according to the logic indexed sequential of physical resource, from definite physical resource, select a physical resource, can be according to formula one, m, according to value from small to large, is obtained to the logic indexed sequential of physical resource.Preferably, can select first physical resource; Certainly, also can select in a front n physical resource, the size of n can be set as required.
If determine the upper quantity from terminal of matching with master terminal that can support of each CCEs (being unappropriated physical resource), and select the CCEs from number of users maximum that can support, can be according to formula one, by m according to value from small to large, find successively the CCEs of channel candidate channel occupancy in the search volume under channel polymerization grade, then respectively different CCEs is carried out from terminal inquiry, search from the CCEs of the quantity maximum of terminal, and select it as CCEs corresponding to master terminal; Certainly, also can from being greater than the CCEs of threshold value, the quantity from terminal finding select one as CCEs corresponding to master terminal.Concrete threshold size can be set as required.
In step 202, that determines need to guarantee to meet following four conditions from terminal:
Condition 1, identical with the channel polymerization grade of master terminal with the channel polymerization grade from terminal of master terminal pairing.
Condition 2, be included as with the search volume from terminal of master terminal pairing the physical resource that master terminal distributes.
Condition 3, different with the home space of master terminal from the home space of terminal from master terminal pairing.
In condition 4, each home space, only has one from terminal and master terminal pairing.
The physical resource that search volume in condition 2 is included as master terminal distribution comprises two kinds of situations.Situation one, from the search volume of terminal with for master terminal distribute physical resource just in time overlap; Situation two, overlapping with the physical resource distributing for master terminal from the search volume of terminal, and the physical resource distributing for master terminal is just in time positioned at overlapping region.
In each home space in condition 4, only have the meaning from terminal and master terminal pairing to be: each home space may have with master terminal matches from terminal, may not match from terminal with master terminal yet, if but have with master terminal pairing from terminal, can only have one from terminal and this master terminal, to match.
For two kinds of situations in condition 2, can represent with formula two, such as for LTE system, if master terminal S1 take the m on search volume
s1individual channel, is and can matches terminal as long as terminal S2 search volume meets formula two terminal S2.
Wherein m
s1, m
s2can equate (being the first situation), also can not wait (being second case).After successful matching, the second distribution module 30 for terminal S2 distribute resource location be m in search volume
s1or m
s2candidate channel.
In the specific implementation, in step 202, determine and from the mode of terminal, have a variety ofly, enumerate several below:
Mode one, from the terminal of all physical resources that need allocated channel except master terminal, search identically with the channel polymerization grade of master terminal, and search volume is included as the terminal of physical resource that master terminal distributes;
The terminal finding is divided into groups, and wherein the home space of all terminals in every group is identical;
Determine the different group of home space all and master terminal, and from determine each group, select respectively a terminal as with master terminal pairing from terminal.
Mode two, the terminal of all physical resources that need allocated channel except master terminal is divided into groups, wherein the home space of all terminals in every group is identical;
Determine the different group of home space all and master terminal, and from determine each group, select respectively a terminal as with master terminal pairing from terminal, the channel polymerization grade of terminal of wherein selecting is identical with the channel polymerization grade of master terminal, and the search volume of the terminal of selecting is included as the terminal of the physical resource of master terminal distribution.
In mode one and mode two, from group, select a terminal as with master terminal pairing from terminal time, if there are multiple terminals in all the other groups, selected terminal at random, also can be according to according to dispatching priority or pairing terminal room interference value, from determine each group, select terminal.Such as can be from group the dispatching priority of terminal be greater than in the terminal of threshold value and select a terminal; Preferably can be from group the terminal of selection scheduling priority maximum.Can also be from group the pairing terminal room interference value of terminal be less than in the terminal of threshold value and select a terminal; Preferably can from group, select the terminal of pairing terminal room interference value minimum.Above-mentioned two threshold values can be set as required.
In concrete enforcement, the executive agent of embodiment of the present invention method can be base station (such as macro base station, evolution base station, Home eNodeB etc.), can be also RN equipment, can also be other network equipment.
As shown in Figure 3, the method that embodiment of the present invention PDCCH space division multiplexing resource is distributed comprises the following steps:
Step 304, from the queue except master terminal, search identically with the PDCCH polymerization grade of master terminal, and search volume is included as the terminal of physical resource that master terminal distributes, and forms S set.
In step 305, query set S all terminal corresponding space attaching information, and according to home space corresponding to space attaching information, all terminals in S set are divided into groups, wherein the home space of all terminals in every group is identical.
Wherein, step 308 also can be between step 306 and step 307, or carries out with step 307 simultaneously; Accordingly, step 308 is: from queue, delete the master terminal that matched and from terminal.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the modification of the scope of the invention.
From above-described embodiment, can find out: the channel of the embodiment of the present invention can be PDCCH, distribute the scheme of the resource of PDCCH when a kind of space division multiplexing is provided, thereby improve the throughput peak value that the open ended number of terminals of system and system can reach;
Further, the scheme of the embodiment of the present invention also has the following advantages: without the RNTI to terminal, plan; Be paired into power higher, can meet system requirements; When pairing, consider user's priority, and substantially can reach the multiplexing tuple maximization of PDCCH.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (16)
1. a method for Resources allocation, is characterized in that, the method comprises:
For the channel allocation physical resource of master terminal;
According to the channel polymerization grade of described master terminal and the physical resource of distribution, determine with the pairing of described master terminal from terminal;
For each described from the channel allocation of the terminal physical resource identical with master terminal;
Wherein, described definite channel polymerization grade from terminal of matching with described master terminal is identical with the channel polymerization grade of described master terminal, and search volume is included as the physical resource that master terminal distributes, and the home space of home space and described master terminal is different, and in each home space, only has one from terminal and the pairing of described master terminal.
2. the method for claim 1, is characterized in that, the described channel allocation physical resource for master terminal comprises:
Determine unappropriated physical resource in the search volume under the channel polymerization grade of described master terminal;
From definite physical resource, select a physical resource, and be the physical resource of the channel allocation selection of master terminal.
3. method as claimed in claim 2, is characterized in that, physical resource of described selection comprises:
According to the logic indexed sequential of physical resource, from definite physical resource, select a physical resource; Or
A physical resource of random selection from definite physical resource; Or
Determine that on each unappropriated physical resource, can support and the quantity from the terminal pairing of described master terminal, and select corresponding described quantity to be greater than a physical resource of threshold value.
4. the method for claim 1, is characterized in that, describedly determines and the comprising from terminal of described master terminal pairing:
From the terminal of all physical resources that need allocated channel except master terminal, search identically with the channel polymerization grade of described master terminal, and search volume is included as the terminal of physical resource that master terminal distributes;
The terminal finding is divided into groups, and wherein the home space of all terminals in every group is identical;
Determine the different group of home space all and described master terminal, and from determine each group, select respectively a terminal as with the pairing of described master terminal from terminal.
5. the method for claim 1, is characterized in that, describedly determines and the comprising from terminal of described master terminal pairing:
The terminal of all physical resources that need allocated channel except master terminal is divided into groups, and wherein the home space of all terminals in every group is identical;
Determine the different group of home space all and described master terminal, and from determine each group, select respectively a terminal as with the pairing of described master terminal from terminal;
Wherein, the channel polymerization grade of the terminal of selection is identical with the channel polymerization grade of described master terminal, and the search volume of the terminal of selecting is included as the terminal of the physical resource of master terminal distribution.
6. the method as described in claim 4 or 5, is characterized in that, terminal of described selection comprises:
According to dispatching priority or pairing terminal room interference value, from determine each group, select terminal.
7. the method as described in as arbitrary in claim 1～5, is characterized in that, according to the following step, determines master terminal:
From the terminal of all physical resources that need allocated channel, select a terminal as master terminal;
Describedly determine and also the comprising after terminal of described master terminal pairing:
By described master terminal with describedly delete from need the terminal of physical resource of allocated channel from terminal, and judge whether the terminal of the physical resource that needs in addition allocated channel;
Definite, need in addition after the terminal of physical resource of allocated channel, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal, and be returned as the step of the channel allocation physical resource of master terminal.
8. method as claimed in claim 7, is characterized in that, terminal of described selection comprises as master terminal:
According to dispatching priority, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal.
9. a network equipment, is characterized in that, this network equipment comprises:
The first distribution module, is used to the channel allocation physical resource of master terminal;
From terminal deciding module, according to the channel polymerization grade of described master terminal and the physical resource of distribution, determine with the pairing of described master terminal from terminal;
Second distributes mould certainly, is used to each described from the channel allocation of the terminal physical resource identical with master terminal;
Wherein, the described channel polymerization grade from terminal that determine from terminal deciding module and that described master terminal matches is identical with the channel polymerization grade of described master terminal, and search volume is included as the physical resource that master terminal distributes, and the home space of home space and described master terminal is different, and in each home space, only has one from terminal and the pairing of described master terminal.
10. network equipment as claimed in claim 9, is characterized in that, described the first distribution module specifically for:
Determine unappropriated physical resource in the search volume under the channel polymerization grade of described master terminal;
From definite physical resource, select a physical resource, and be the physical resource of the channel allocation selection of master terminal.
11. network equipments as claimed in claim 10, is characterized in that, described the first distribution module specifically for:
According to the logic indexed sequential of physical resource, from definite physical resource, select a physical resource; Or
A physical resource of random selection from definite physical resource; Or
Determine that on each unappropriated physical resource, can support and the quantity from the terminal pairing of described master terminal, and select corresponding described quantity to be greater than a physical resource of threshold value.
12. network equipments as claimed in claim 9, is characterized in that, described from terminal deciding module specifically for:
From the terminal of all physical resources that need allocated channel except master terminal, search identically with the channel polymerization grade of described master terminal, and search volume is included as the terminal of physical resource that master terminal distributes; The terminal finding is divided into groups, and wherein the home space of all terminals in every group is identical; Determine the different group of home space all and described master terminal, and from determine each group, select respectively a terminal as with the pairing of described master terminal from terminal.
13. network equipments as claimed in claim 9, is characterized in that, described from terminal deciding module specifically for:
The terminal of all physical resources that need allocated channel except master terminal is divided into groups, and wherein the home space of all terminals in every group is identical; Determine the different group of home space all and described master terminal, and from determine each group, select respectively a terminal as with the pairing of described master terminal from terminal;
Wherein, the channel polymerization grade of the terminal of selection is identical with the channel polymerization grade of described master terminal, and the search volume of the terminal of selecting is included as the terminal of the physical resource of master terminal distribution.
14. network equipments as described in claim 12 or 13, is characterized in that, described from terminal deciding module specifically for:
According to dispatching priority or pairing terminal room interference value, from determine each group, select terminal.
15. network equipments as described in as arbitrary in claim 9～13, is characterized in that, described network equipment also comprises:
Master terminal determination module, for the terminal from all physical resources that need allocated channel, select a terminal as master terminal, and determine with the pairing of described master terminal after terminal, by described master terminal with describedly delete from need the terminal of physical resource of allocated channel from terminal, and judge whether the terminal of the physical resource that needs in addition allocated channel; Definite, need in addition after the terminal of physical resource of allocated channel, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal, and trigger the channel allocation physical resource that described the first distribution module is master terminal.
16. network equipments as claimed in claim 15, is characterized in that, described master terminal determination module specifically for:
According to dispatching priority, from the terminal of all physical resources that need allocated channel, select a terminal as master terminal.
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| CN201010273869.5A CN102387594B (en) | 2010-09-06 | 2010-09-06 | Resource distributing method and equipment |
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