CN107172659A - The method and device of resource allocation - Google Patents
The method and device of resource allocation Download PDFInfo
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- CN107172659A CN107172659A CN201710387873.6A CN201710387873A CN107172659A CN 107172659 A CN107172659 A CN 107172659A CN 201710387873 A CN201710387873 A CN 201710387873A CN 107172659 A CN107172659 A CN 107172659A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiments of the invention provide the method for resource allocation, including：Obtain D2D pairs of the terminal direct connection and current reusable frequency spectrum of resource to be allocated；For resource to be allocated D2D to the traversal multiplexing current reusable frequency spectrum, combine the phone user CUE in each frequency spectrum, obtain in any frequency spectrum D2D to achievable maximum power efficiency value；It is the D2D of the resource to be allocated to distributing reusable frequency spectrum according to the corresponding maximum power efficiency value of each frequency spectrum.On the basis of phone user's CUE service quality is ensured, by successive interference cancellation techniques, the upper limit of the energy efficiency of D2D user can be lifted.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of method and device for optimizing energy efficiency.
Background technology
With the rapid popularization of smart mobile phone and wearable device, the spectrum efficiency and energy efficiency of wireless network are all urgently
Lifting.At the same time, the prior wireless network framework centered on BS (Base Station, base station) causes BS to bear too much
Network load.D2D (Device-to-Device, terminal direct connection) technology, it is allowed to adjacent UE (User Equipment, user)
Data are not transmitted directly by BS, network load from BS sides can be transferred to UE sides, using the characteristic of channel good between UE,
The spectrum efficiency and energy efficiency of system can be significantly improved, thus obtains significant progress, it is considered to be 5G mobile networks
In one of key technology.But DUE (D2D UE, D2D user) is introduced in cellular networks, more complicated electricity will be caused
Magnetic environment, or even heavy damage systematic function.Therefore, effective interference management scheme reasonable in design is particularly important.
Up to the present, domestic and international research institution has carried out substantial amounts of research for cut-off, but in most of working set
In the entire throughput of the system of raising, or ensure CUE (Cellular UE, phone user) service quality, only fraction work
Make the energy efficiency for being directed to optimizing DUE.And in the latter, either computation complexity is too high or final performance for existing algorithm
Lifting is not obvious, however it remains further improved space.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present invention overcomes above mentioned problem or at least in part to provide one kind
The method and device of the resource allocation solved the above problems.
In order to solve the above problems, the embodiment of the invention discloses a kind of method of resource allocation, including：Obtain to be allocated
D2D pairs and current reusable frequency spectrum of resource；It is described to traversal multiplexing current reusable for the D2D of resource to be allocated
D2D is to achievable maximum power efficiency value in CUE in frequency spectrum, each frequency spectrum of joint, each frequency spectrum of acquisition；According to each frequency
Corresponding maximum power efficiency value is composed, is the D2D of the resource to be allocated to distributing reusable frequency spectrum.
Further, D2D is to achievable ceiling capacity in the CUE in each frequency spectrum of joint, each frequency spectrum of acquisition
Efficiency value, including：CUE transmission power is set according to CUE minimum transmission rate；The first energy efficiency values are obtained, according to institute
State the first energy efficiency values, the transmission power of the CUE, the channel gain between D2D pairs and between D2D receiving terminals and CUE
Channel gain obtain the first transmission power, first transmission power be the D2D transmitting terminals transmission power；According to described
First transmission power and CUE transmission power obtain current energy efficiency values；According to first energy efficiency values and
The current energy efficiency values determine whether the current energy efficiency values are maximum power efficiency value；If described current
Energy efficiency values are not maximum power efficiency values, are carried out the current energy efficiency values as the first new energy efficiency values
Update until the current energy efficiency values are maximum energy efficiency values.
Further, it is described that current energy efficiency is obtained according to first transmission power and CUE transmission power
Value, including：Received according to the channel gain between first transmission power, the transmission power of the CUE, D2D pairs and D2D
Channel gain between end and CUE generates D2D transmission rate；According to the transmission rate of the D2D, intrinsic circuit loss,
One transmission power and D2D generate current energy efficiency values to energy conversion efficiency.
Further, D2D pairs of the terminal direct connection for obtaining resource to be allocated and current reusable frequency spectrum, including：
The D2D centerings priority highest D2D of current unallocated resource is obtained to being used as D2D pairs of resource to be allocated；Acquisition currently may be used
D2D pairs is not accessed in the frequency spectrum of multiplexing, the reusable frequency spectrum.
Further, the corresponding maximum power efficiency value of each frequency spectrum of the basis, is D2D pairs of the resource to be allocated
Reusable frequency spectrum is distributed, including：The corresponding maximum power efficiency value of each frequency spectrum is obtained, maximum power efficiency value is therefrom chosen
Maximum frequency spectrum；By the maximum frequency spectrum of maximum power efficiency value distribute to D2D pairs of the resource to be allocated and by the frequency spectrum from
Deleted in the current reusable frequency spectrum.
The embodiment of the invention also discloses a kind of device of resource allocation, including：
Acquiring unit, D2D pairs of terminal direct connection and current reusable frequency spectrum for obtaining resource to be allocated；
Processing unit, the D2D of the resource to be allocated for being obtained for the acquiring unit is described to traversal multiplexing to be obtained
The current reusable frequency spectrum that unit is obtained, combines the CUE in each frequency spectrum, obtain in each frequency spectrum D2D to it is achievable most
Big energy efficiency values；
Allocation unit, the corresponding maximum power efficiency value of each frequency spectrum for being obtained according to the processing unit, is institute
The D2D of resource to be allocated is stated to distributing reusable frequency spectrum.
Further, the processing unit, including：
Setup module, the transmission power for setting CUE according to CUE minimum transmission rate；
First performing module, for obtaining the first energy efficiency values, according to first energy efficiency values, the CUE
Channel gain between channel gain and D2D receiving terminals and CUE between transmission power, D2D pairs obtains the first transmission power,
First transmission power is the transmission power of the D2D transmitting terminals；
Second performing module, for obtaining current energy according to the transmission power of first transmission power and CUE
Efficiency value；
Determining module, for working as according to first energy efficiency values and the current energy efficiency values determination
Whether preceding energy efficiency values are maximum power efficiency value；
3rd performing module, will be described current if not being maximum power efficiency value for the current energy efficiency values
Energy efficiency values be updated as the first new energy efficiency values until the current energy efficiency values are maximum energy
Amount efficiency value.
Further, second performing module, including：
First generation submodule, for according between first transmission power, the transmission power of the CUE, D2D pairs
Channel gain between channel gain and D2D receiving terminals and CUE generates D2D transmission rate；
Second generation submodule, for the transmission rate according to the D2D, intrinsic circuit loss, the first transmission power with
And D2D generates current energy efficiency values to energy conversion efficiency.
Further, the acquiring unit, including：
First acquisition module, for obtaining the D2D centerings priority highest D2D of current unallocated resource to as treating point
D2D pairs with resource；
Second acquisition module, D2D pairs is not accessed for obtaining in current reusable frequency spectrum, the reusable frequency spectrum.
Further, the allocation unit, including：
Module is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, maximum power efficiency value is therefrom chosen
Maximum frequency spectrum；
4th performing module, the D2D for the maximum frequency spectrum of maximum power efficiency value to be distributed to the resource to be allocated
Pair and the frequency spectrum is deleted from the current reusable frequency spectrum.
The embodiment of the present invention includes advantages below：
In embodiments of the present invention, to the D2D current reusable frequency spectrums described to traversal multiplexing of resource to be allocated, joint
D2D is to achievable maximum power efficiency value in CUE in each frequency spectrum, any frequency spectrum of acquisition；It is corresponding according to each frequency spectrum
Maximum power efficiency value is the D2D of the resource to be allocated to distributing reusable frequency spectrum.Ensureing the base of CUE service quality
On plinth, by successive interference cancellation techniques, the upper limit of DUE energy efficiency can be lifted.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of the method for resource allocation of the present invention；
Fig. 2 is the step flow chart of step 102 in method shown in Fig. 1；
Fig. 3 is a kind of applicable system model of method of resource allocation of the present invention；
Fig. 4 is a kind of step flow chart of the method for resource allocation of the present invention；
Fig. 5 is the step flow chart controlled using joint Power in method and step shown in Fig. 4；
Fig. 6 is a kind of structured flowchart of the device embodiment of resource allocation of the present invention；
Fig. 7 is the structured flowchart of processing unit in structure shown in Fig. 6；
Fig. 8 is the structured flowchart of the second performing module in structure shown in Fig. 7；
Fig. 9 is the structured flowchart of acquiring unit in structure shown in Fig. 6；
Figure 10 is the structured flowchart of allocation unit in structure shown in Fig. 6；
Figure 11 is a kind of structured flowchart of base station of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Reference picture 1, shows a kind of step flow chart of the method for resource allocation of the present invention, can specifically include as follows
Step：
Step 101, D2D pairs of terminal direct connection for obtaining resource to be allocated and current reusable frequency spectrum.
In the present embodiment, it is preferred that obtain that institute is in need to distribute D2D pairs of resource, descending arranges and marks D2D pairs,
Meet itWhereinRepresent D2D pairs
Indexed set, djRepresent (Dj, j-th of D2D to) priority.And the D2D of resource to be allocated to priority in preferred indexed set most
High D2D pairs.Specifically, in the present embodiment, during initialization, getting NdTo D2D pairs, priority highest D2D is to mark
For D1, obtain its reusable frequency spectrum Candidate Set.What deserves to be explained is, accessed in the frequency spectrum in each reusable frequency spectrum Candidate Set
There is a CUE, and be only connected to CUE and do not access D2D pairs.
Specifically, D2D pairs of the terminal direct connection for obtaining resource to be allocated and current reusable frequency spectrum, can be wrapped
Include：The D2D centerings priority highest D2D of current unallocated resource is obtained to being used as D2D pairs of resource to be allocated；Obtain current
D2D pairs is not accessed in reusable frequency spectrum, the reusable frequency spectrum.
In the present embodiment, priority can be pre-set or according to actual need of the D2D to energy efficiency
Corresponding priority is sought survival into, is not limited in the present embodiment.
Step 102, the D2D current reusable frequency spectrums described to traversal multiplexing for resource to be allocated, each frequency of joint
D2D is to achievable maximum power efficiency value in CUE in spectrum, each frequency spectrum of acquisition.
In the present embodiment, CUE and D2D is carried out using the method based on Bisection-Search and Dinkelbach
Joint Power is controlled, the final energy efficiency for maximizing D2D links.
For example, in the present embodiment, CUE (C are definedi), DUE (Dj) transmission power be respectivelyWithIt is fixed
Adopted DjPeak transfer rate beCiMinimum transmission rate beη≤1 is made to represent D2D pairs of energy conversion effect
Rate, PcirRepresent DUE intrinsic circuit loss, UI, jRepresent DjEnergy efficiency.Initiation parameter n=0,∈=
10-5.Formula can be provedBe one onConvex function.Therefore, using Bisection-
Search methods, the optimum transmission power that can quickly obtain D2D transmitting terminals is
Inspired, in an iterative process, can be set by Dinkelbach methodsPlus
Speed convergence.Iterative process continues, and sets n=n+1.Rule of judgmentWhether set up.If set up, knot
Beam power control process, otherwise, repeats above-mentioned steps until Rule of judgment is set up.
In the example above, D is madejTraversal is multiplexed its Candidate SetIntermediate frequency spectrum i, definitionThe corresponding CUE of frequency spectrum i are represented,
To (Ci, Dj) joint Power control is carried out, D is then obtained by contrastjAchieved maximum power efficiencyWith its correspondence
Frequency spectrum i*。
Step 103, according to the corresponding maximum power efficiency value of each frequency spectrum, be the D2D of the resource to be allocated to distribution
Reusable frequency spectrum.
Further, in order to avoid single CUE and multiple D2D is to multiplexing same frequency spectrum, the specific act based on step 102
Example, updates Dj+1Frequency spectrum Candidate Set beJ=j+1 is set.Rule of judgmentWhether set up.
If set up, ending resource assigning process, otherwise, the step of repeating resource allocation until to all D2D to complete resource
Distribution.
In embodiments of the present invention, to the D2D current reusable frequency spectrums described to traversal multiplexing of resource to be allocated, joint
D2D is to achievable maximum power efficiency value in CUE in each frequency spectrum, each frequency spectrum of acquisition；It is corresponding according to each frequency spectrum
Maximum power efficiency value is the D2D of the resource to be allocated to distributing reusable frequency spectrum.Ensureing the base of CUE service quality
On plinth, by successive interference cancellation techniques, the upper limit of DUE energy efficiency can be lifted.
Reference picture 2, shows a kind of flow chart of the step 102 of the embodiment of the method 1 of resource allocation of the present invention, specifically
It may include steps of：
Step 201, the transmission power according to CUE minimum transmission rate setting CUE.
In the present embodiment, the energy efficiency due to D2D pairs reduces with the increase of CUE transmission powers.Maximize D2D pairs
Energy efficiency mean as far as possible reduce CUE transmission powers.In addition, in order to ensure CUE minimum transmission rate, it is necessary to be based on
CUE minimum transmission rate sets CUE transmission powers.
Specifically, performing SIC (Successive Interference Cancellation, serial interference according to base station
Eliminating) condition of technology and base station perform SUD (Single User Detection, Single-user detection) conditions to set CUE
Minimum emissive power.
Step 202, obtain the first energy efficiency values, according to first energy efficiency values, the transmission power of the CUE,
Channel gain between channel gain and D2D receiving terminals and CUE between D2D pairs obtains the first transmission power.
Wherein, first transmission power is the transmission power of the D2D transmitting terminals.
In the present embodiment, first energy efficiency values can be that the constant value that pre-sets or circulation are held
During row, the current energy efficiency values that last circulation step is obtained.
Step 203, current energy efficiency values are obtained according to first transmission power and CUE transmission power.
Specifically, in an embodiment of the present invention, the step 203 can include：According to first transmission power, institute
State CUE transmission power, the channel gain between D2D pairs and the generation D2D hairs of the channel gain between D2D receiving terminals and CUE
Penetrate the transmission rate at end；According to the transmission rate of the D2D transmitting terminals, intrinsic circuit loss, the first transmission power and D2D pairs
Energy conversion efficiency generates current energy efficiency values.
Step 204, determined according to first energy efficiency values and the current energy efficiency values it is described current
Whether energy efficiency values are maximum power efficiency value.
If step 205, the current energy efficiency values are not maximum power efficiency values, by the current energy efficiency
Value is updated until the current energy efficiency values are maximum energy efficiency values as the first new energy efficiency values.
If step 206, the current energy efficiency values are maximum power efficiency value, the maximum power efficiency value is made
For the optimal energy efficiency of correspondence frequency spectrum.
In embodiments of the present invention, to the D2D current reusable frequency spectrums described to traversal multiplexing of resource to be allocated, joint
D2D is to achievable maximum power efficiency value in CUE in each frequency spectrum, each frequency spectrum of acquisition；It is corresponding according to each frequency spectrum
Maximum power efficiency value, be the resource to be allocated D2D to distributing reusable frequency spectrum, ensureing phone user's service quality
On the basis of, by successive interference cancellation techniques, the upper limit of DUE energy efficiency can be lifted.
In order that the method that those skilled in the art are better understood from a kind of resource allocation provided in an embodiment of the present invention is obtained,
It is described in detail in the form of practical application scene in still another embodiment of the process.
The present embodiment applicable system model is as shown in figure 3, wherein D2D is to reusable cellular network uplink spectrum, and CUE is made
Radio Resource is orthogonal, and single wireless frequency spectrum can only be at most multiplexed by one D2D Duis and a CUE, and one D2D pairs
CUE frequency spectrum resource can only be multiplexed.BS can perform SIC processes, gI, b, gJ, j, gJ, b, gI, jC is represented respectivelyiWith BS, Dj,
DjTransmitting terminal and BS, CiWith DjChannel gain between receiving terminal.In this example, the side of resource allocation as shown in Figures 4 and 5
Comprising the following steps that for method is shown：
1st, in resource allocation process, it is contemplated that different DUE have different requirements for energy efficiency, the present embodiment is first
First introduce priority concept.
2nd, descending arranges and marks D2D pairs, meets itWhereinThe indexed set of D2D pairs of expression, djRepresent DjPriority.
3rd, D is initialized1Reusable frequency spectrum Candidate SetMake j=1.
4th, D is madejTraversal is multiplexed its Candidate SetIntermediate frequency spectrum i, and to (Ci, Dj) carry out joint Power control.
5th, in power control process, the present embodiment proposes to use the side based on Bisection-Search and Dinkelbach
Method is to (Ci, Dj) joint Power control is carried out, finally maximize DjEnergy efficiency
Wherein
For DjPeak transfer rate；
WithRespectively Ci, DjTransmission power, its maximum is respectivelyWith
η≤1 represents D2D pairs of energy conversion efficiency；
PcirRepresent DUE intrinsic circuit loss；
N0For Gaussian noise power；
Γ is SINR (Signal-to-Interference-plus-Noise Ratio, Signal to Interference plus Noise Ratio) breach.
6th, what deserves to be explained is, from UI, jExpression formula can see place, D2D energy efficiency withIncrease and reduce.
Maximize UI, jMean to reduce as far as possibleIn addition, in order to ensure CiMinimum transmission rateSet
WhereinSIC condition is performed for base station；
On the contrary,Then represent that base station performs SUD condition, i.e.,
In this example, whenWhen, base station can eliminate the interference caused by D2D transmitting users first, so
CUE transmission signal is detected afterwards, and now CUE transmission rate can be directly expressed as
OtherwiseCUE transmission rate is expressed as
By minimum transmission rateAnd maximum transmission powerCommon limitation,Feasible zone held in base station
It can be expressed as under the conditions of row SIC and SUD：
7th, arrange parameter n=0,∈=10-5。
8th, first by DjEnergy efficiency maximization problemsBe converted to
FormDefinitionIt is in an iterative process
It can proveIt is on powerConvex function, i.e.,
Its first derivative be onMonotonous descending function.The optimal transmitting work(of D2D can be solved using Bisection-Search methods
Rate
Wherein in formulaIn,
ForBecause become
Amount.
9th, then, inspired, set in an iterative process by Dinkelbach methods
Acceleration converges to optimal energy efficiency
10th, continue iterative process, n=n+1, Rule of judgment are setWhether set up.If set up
Next step is carried out, otherwise, step 5 is repeated to step 10.
11st, traversal obtains DjCorresponding all energy efficienciesThen by contrast, D is determinedjInstitute's energy
The maximum power efficiency of realizationFrequency spectrum i corresponding with its*。
12nd, in order to avoid single phone user and multiple D2D are to multiplexing same frequency spectrum, setFrequency spectrum Candidate Set
For
The 13rd, j=j+1, Rule of judgment are setWhether set up.If set up, terminate the optimized for energy efficiency side
Method, otherwise, repeats step 4 to step 13.
Reference picture 6, shows a kind of structured flowchart of the device embodiment of resource allocation of the present invention, can specifically include
Following module：
Acquiring unit 601, D2D pairs of terminal direct connection and current reusable frequency spectrum for obtaining resource to be allocated；
Processing unit 602, the D2D of the resource to be allocated for being obtained for the acquiring unit is obtained to traveling through described in multiplexing
D2D is to achievable in CUE in the current reusable frequency spectrum for taking unit to obtain, each frequency spectrum of joint, each frequency spectrum of acquisition
Maximum power efficiency value；
Allocation unit 603, the corresponding maximum power efficiency value of each frequency spectrum for being obtained according to the processing unit is
The D2D of the resource to be allocated is to distributing reusable frequency spectrum.
In one example, as shown in fig. 7, the processing unit 602, can include：
Setup module 701, the transmission power for setting CUE according to CUE minimum transmission rate；
First performing module 702, for obtaining the first energy efficiency values, according to first energy efficiency values, the CUE
Transmission power, the channel gain between D2D pairs and the channel gain between D2D receiving terminals and CUE obtain first and launch work(
Rate, first transmission power is the transmission power of the D2D transmitting terminals；
Second performing module 703, for obtaining current energy according to the transmission power of first transmission power and CUE
Amount efficiency value；
Determining module 704, for determining institute according to first energy efficiency values and the current energy efficiency values
Whether state current energy efficiency values is maximum power efficiency value；
3rd performing module 705, if not being maximum power efficiency value for the current energy efficiency values, described will work as
Preceding energy efficiency values are updated until the current energy efficiency values are maximum as the first new energy efficiency values
Energy efficiency values.
In one example, as shown in figure 8, second performing module 703, including：
First generation submodule 801, for according to first transmission power, the transmission power of the CUE, D2D to it
Between channel gain and D2D receiving terminals and CUE between channel gain generate D2D transmission rate；
Second generation submodule 802, for the transmission rate according to the D2D, intrinsic circuit loss, the first transmission power
And D2D generates current energy efficiency values to energy conversion efficiency.
In one example, as shown in figure 9, the acquiring unit, including：
First acquisition module 901, for obtaining the D2D centering priority highests D2D of current unallocated resource to conduct
D2D pairs of resource to be allocated；
Second acquisition module 902, D2D pairs is not accessed for obtaining in current reusable frequency spectrum, the reusable frequency spectrum.
In one example, as Figure 10 shows, the allocation unit 603, including：
Module 1001 is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, ceiling capacity effect is therefrom chosen
The maximum frequency spectrum of rate value；
4th performing module 1002, for the maximum frequency spectrum of maximum power efficiency value to be distributed into the resource to be allocated
D2D pairs and the frequency spectrum is deleted from the current reusable frequency spectrum.
Figure 11 is a kind of base station according to an exemplary embodiment.Base station described in example can include Fig. 6-10 institutes
The device for the distribution resource shown.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can using complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can use it is one or more wherein include computer can
With in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can be by computer program instructions implementation process figure and/or block diagram
In each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions are set to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory worked in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for this
The those skilled in the art in field, according to the thought of the present invention, will change in specific embodiments and applications,
In summary, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of method of resource allocation, it is characterised in that including：
Obtain D2D pairs of the terminal direct connection and current reusable frequency spectrum of resource to be allocated；
For the D2D current reusable frequency spectrums described to traversal multiplexing of resource to be allocated, the honeycomb combined in each frequency spectrum is used
D2D is to achievable maximum power efficiency value in family CUE, each frequency spectrum of acquisition；
It is the D2D of the resource to be allocated to distributing reusable frequency spectrum according to the corresponding maximum power efficiency value of each frequency spectrum.
2. according to the method described in claim 1, it is characterised in that the CUE in each frequency spectrum of joint, obtain each frequency spectrum
Middle D2D to achievable maximum power efficiency value, including：
CUE transmission power is set according to CUE minimum transmission rate；
The first energy efficiency values are obtained, according to the letter between first energy efficiency values, the transmission power of the CUE, D2D pairs
Channel gain between road gain and D2D receiving terminals and CUE obtains the first transmission power, and first transmission power is described
The transmission power of D2D transmitting terminals；
Current energy efficiency values are obtained according to first transmission power and CUE transmission power；
Determine that the current energy efficiency values are according to first energy efficiency values and the current energy efficiency values
No is maximum power efficiency value；
If the current energy efficiency values are not maximum power efficiency values, the current energy efficiency values are regard as new
One energy efficiency values are updated until the current energy efficiency values are maximum energy efficiency values.
3. method according to claim 2, it is characterised in that described according to first transmission power and CUE hair
Penetrate power and obtain current energy efficiency values, including：
According to the channel gain and D2D receiving terminals between first transmission power, the transmission power of the CUE, D2D pairs with
Channel gain between CUE generates D2D transmission rate；
Energy conversion efficiency is generated according to the transmission rate of the D2D, intrinsic circuit loss, the first transmission power and D2D
Current energy efficiency values.
4. the method according to claim any one of 1-3, it is characterised in that the terminal direct connection of the acquisition resource to be allocated
D2D pairs and current reusable frequency spectrum, including：
The D2D centerings priority highest D2D of current unallocated resource is obtained to being used as D2D pairs of resource to be allocated；
Obtain in current reusable frequency spectrum, the reusable frequency spectrum and do not access D2D pairs.
5. the method according to claim any one of 1-3, it is characterised in that the corresponding maximum energy of each frequency spectrum of basis
Amount efficiency value, be the resource to be allocated D2D to distributing reusable frequency spectrum, including：
The corresponding maximum power efficiency value of each frequency spectrum is obtained, the maximum frequency spectrum of maximum power efficiency value is therefrom chosen；
The maximum frequency spectrum of maximum power efficiency value is distributed to D2D pairs of the resource to be allocated and by the frequency spectrum from described current
Deleted in reusable frequency spectrum.
6. a kind of device of resource allocation, it is characterised in that including：
Acquiring unit, D2D pairs of terminal direct connection and current reusable frequency spectrum for obtaining resource to be allocated；
Processing unit, the D2D of the resource to be allocated for being obtained for the acquiring unit is multiplexed the acquiring unit to traversal
D2D is to achievable maximum energy in CUE in the current reusable frequency spectrum obtained, each frequency spectrum of joint, each frequency spectrum of acquisition
Amount efficiency value；
Allocation unit, the corresponding maximum power efficiency value of each frequency spectrum for being obtained according to the processing unit is described treats
The D2D of resource is distributed to distributing reusable frequency spectrum.
7. device according to claim 6, it is characterised in that the processing unit, including：
Setup module, the transmission power for setting CUE according to CUE minimum transmission rate；
First performing module, for obtaining the first energy efficiency values, according to the transmitting of first energy efficiency values, the CUE
Channel gain between channel gain and D2D receiving terminals and CUE between power, D2D pairs obtains the first transmission power, described
First transmission power is the transmission power of the D2D transmitting terminals；
Second performing module, for obtaining current energy efficiency according to the transmission power of first transmission power and CUE
Value；
Determining module, it is described current for being determined according to first energy efficiency values and the current energy efficiency values
Whether energy efficiency values are maximum power efficiency value；
3rd performing module, if not being maximum power efficiency value for the current energy efficiency values, by the current energy
Amount efficiency value is updated until the current energy efficiency values are maximum energy dose-effect as the first new energy efficiency values
Rate value.
8. device according to claim 7, it is characterised in that second performing module, including：
First generation submodule, for according to the channel between first transmission power, the transmission power of the CUE, D2D pairs
Channel gain between gain and D2D receiving terminals and CUE generates D2D transmission rate；
Second generation submodule, for the transmission rate according to the D2D, intrinsic circuit loss, the first transmission power and D2D
Current energy efficiency values are generated to energy conversion efficiency.
9. the device according to claim any one of 6-8, it is characterised in that the acquiring unit, including：
First acquisition module, for obtaining the D2D centerings priority highest D2D of current unallocated resource to as money to be allocated
D2D pairs of source；
Second acquisition module, D2D pairs is not accessed for obtaining in current reusable frequency spectrum, the reusable frequency spectrum.
10. the device according to claim any one of 6-8, it is characterised in that the allocation unit, including：
Module is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, maximum power efficiency value is therefrom chosen maximum
Frequency spectrum；
4th performing module, for the maximum frequency spectrum of maximum power efficiency value to be distributed into D2D pairs of the resource to be allocated simultaneously
The frequency spectrum is deleted from the current reusable frequency spectrum.
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| CN111132312A (en) * | 2018-10-30 | 2020-05-08 | 大唐移动通信设备有限公司 | Resource allocation method and device |
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| CN103260258A (en) * | 2013-05-10 | 2013-08-21 | 南京邮电大学 | Resource distribution and resource reuse combination method in cellular terminal device-to-device (D2D) system |
| CN104105158A (en) * | 2014-07-08 | 2014-10-15 | 西安交通大学 | Relay selection method based on D2D relay communication |
| CN105472751A (en) * | 2015-12-24 | 2016-04-06 | 山东大学 | Method for allocating joint resources of D2D communication system based on cellular network |
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| CN103260258A (en) * | 2013-05-10 | 2013-08-21 | 南京邮电大学 | Resource distribution and resource reuse combination method in cellular terminal device-to-device (D2D) system |
| CN104105158A (en) * | 2014-07-08 | 2014-10-15 | 西安交通大学 | Relay selection method based on D2D relay communication |
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| CN107612745A (en) * | 2017-10-12 | 2018-01-19 | 北京科技大学 | A kind of method of determination D2D network models and the method for assessing D2D network model performances |
| CN111132312A (en) * | 2018-10-30 | 2020-05-08 | 大唐移动通信设备有限公司 | Resource allocation method and device |
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