CN107172659B - The method and device of resource allocation - Google Patents
The method and device of resource allocation Download PDFInfo
- Publication number
- CN107172659B CN107172659B CN201710387873.6A CN201710387873A CN107172659B CN 107172659 B CN107172659 B CN 107172659B CN 201710387873 A CN201710387873 A CN 201710387873A CN 107172659 B CN107172659 B CN 107172659B
- Authority
- CN
- China
- Prior art keywords
- frequency spectrum
- cue
- current
- energy efficiency
- resource
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides the methods of resource allocation, comprising: obtain resource to be allocated D2D pairs of terminal direct connection and current reusable frequency spectrum；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 the reusable frequency spectrum of distribution according to the corresponding maximum power efficiency value of each frequency spectrum.On the basis of guaranteeing phone user CUE service quality, by successive interference cancellation techniques, the upper limit of the energy efficiency of D2D user can be promoted.
Description
Technical field
The present invention relates to mobile communication technology fields, more particularly to a kind of method and device for optimizing energy efficiency.
Background technique
With the rapid proliferation of smart phone and wearable device, the spectrum efficiency and energy efficiency of wireless network are all urgently
It is promoted.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 allows adjacent UE (User Equipment, user)
Data are not transmitted directly by BS, network load can be transferred to the side UE from the side BS, 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 network
In one of key technology.However DUE (D2D UE, D2D user) is introduced in cellular networks, more complicated electricity will be caused
Magnetic environment, or even seriously destroy system performance.Therefore, rationally effective interference management scheme is particularly important for design.
Up to the present, domestic and international research institution has carried out a large amount of research for cut-off, however in most of working set
In the entire throughput of the system of raising, or guarantee the service quality of CUE (Cellular UE, phone user), only fraction work
Make the energy efficiency for being dedicated to optimizing DUE.And in the latter, perhaps computation complexity is excessively high or final performance for existing algorithm
It is promoted unobvious, however it remains further improved space.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
The method and device of the resource allocation to solve the above problems.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of methods of resource allocation, comprising: obtains 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
Frequency spectrum combines the CUE in each frequency spectrum, obtains in each frequency spectrum D2D to achievable maximum power efficiency value；According to each frequency
Corresponding maximum power efficiency value is composed, is the D2D of the resource to be allocated to the reusable frequency spectrum of distribution.
Further, the CUE in each frequency spectrum of the joint obtains in each frequency spectrum D2D to achievable ceiling capacity
Efficiency value, comprising: the transmission power of CUE is set according to the minimum transmission rate of CUE；The first energy efficiency values are obtained, according to institute
State the first energy efficiency values, the transmission power of the CUE, between channel gain and the receiving end D2D and CUE between D2D pairs
Channel gain obtain the first transmission power, first transmission power be the D2D transmitting terminal transmission power；According to described
First transmission power and the transmission power of CUE 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
It updates until the current energy efficiency values are maximum energy efficiency values.
Further, the transmission power according to first transmission power and CUE obtains current energy efficiency
Value, comprising: according between first transmission power, the transmission power of the CUE, D2D pairs channel gain and D2D receive
Channel gain between end and CUE generates the transmission rate of D2D；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, comprising:
The highest D2D of D2D centering priority of current unallocated resource is obtained to D2D pairs as resource to be allocated；Acquisition currently may be used
The frequency spectrum of multiplexing does not access D2D pairs in the reusable frequency spectrum.
Further, described according to the corresponding maximum power efficiency value of each frequency spectrum, it is D2D pairs of the resource to be allocated
Distribute reusable frequency spectrum, comprising: obtain the corresponding maximum power efficiency value of each frequency spectrum, therefrom choose maximum power efficiency value
Maximum frequency spectrum；By maximum power efficiency be worth maximum frequency spectrum distribute to the resource to be allocated D2D to and by the frequency spectrum from
It is deleted in the current reusable frequency spectrum.
The embodiment of the invention also discloses a kind of devices of resource allocation, comprising:
Acquiring unit, for obtain resource to be allocated D2D pairs of terminal direct connection and current reusable frequency spectrum；
The D2D of processing unit, the resource to be allocated for obtaining for the acquiring unit is multiplexed the acquisition to traversal
The current reusable frequency spectrum that unit obtains, 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, for institute
The D2D of resource to be allocated is stated to the reusable frequency spectrum of distribution.
Further, the processing unit, comprising:
Setup module, for the transmission power of CUE to be arranged according to the minimum transmission rate of CUE；
First execution module, for obtaining the first energy efficiency values, according to first energy efficiency values, the CUE
Channel gain between channel gain and the receiving end D2D and CUE between transmission power, D2D pairs obtains the first transmission power,
First transmission power is the transmission power of the D2D transmitting terminal；
Second execution 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；
Third execution 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 execution module, comprising:
First generates submodule, for according between the transmission power of first transmission power, the CUE, D2D pairs
Channel gain between channel gain and the receiving end D2D and CUE generates the transmission rate of D2D；
Second generates submodule, for according to the transmission rate, intrinsic circuit loss, the first transmission power of the D2D with
And D2D generates current energy efficiency values to energy conversion efficiency.
Further, the acquiring unit, comprising:
First obtains module, for obtaining the highest D2D of D2D centering priority of current unallocated resource to as wait divide
D2D pairs with resource；
Second obtains module, for obtaining current reusable frequency spectrum, does not access D2D pairs in the reusable frequency spectrum.
Further, the allocation unit, comprising:
Module is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, therefrom chooses maximum power efficiency value
Maximum frequency spectrum；
4th execution module, for maximum power efficiency to be worth the D2D that maximum frequency spectrum distributes to the resource to be allocated
It is deleted from the current reusable frequency spectrum to and by the frequency spectrum.
The embodiment of the present invention includes following advantages:
In embodiments of the present invention, the current reusable frequency spectrum described to traversal multiplexing to the D2D of resource to be allocated, joint
CUE in each frequency spectrum obtains in any frequency spectrum D2D to achievable maximum power efficiency value；It is corresponding according to each frequency spectrum
Maximum power efficiency value is the D2D of the resource to be allocated to the reusable frequency spectrum of distribution.In the base for guaranteeing CUE service quality
On plinth, by successive interference cancellation techniques, the upper limit of the energy efficiency of DUE can be promoted.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the method for resource allocation of the 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 the method for resource allocation of the invention；
Fig. 4 is a kind of step flow chart of the method for resource allocation of the invention；
Fig. 5 is the step flow chart controlled in method and step shown in Fig. 4 using joint Power；
Fig. 6 is a kind of structural block diagram of the Installation practice of resource allocation of the invention；
Fig. 7 is the structural block diagram of processing unit in structure shown in fig. 6；
Fig. 8 is the structural block diagram of the second execution module in structure shown in Fig. 7；
Fig. 9 is the structural block diagram of acquiring unit in structure shown in fig. 6；
Figure 10 is the structural block diagram of allocation unit in structure shown in fig. 6；
Figure 11 is a kind of structural block diagram of base station of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of step flow chart of the method for resource allocation of the invention is shown, 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,
Make its satisfactionWhereinIndicate D2D pairs
Indexed set, djIndicate (Dj, j-th of D2D to) priority.And the D2D of resource to be allocated is to priority highest in preferred indexed set
D2D pairs.Specifically, in the present embodiment, when initialization, N is gotdTo D2D pairs, the highest D2D of priority to label for
D1, obtain its reusable frequency spectrum Candidate Set.It is worth noting that access has in frequency spectrum in each reusable frequency spectrum Candidate Set
One 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 wrap
It includes: obtaining the highest D2D of D2D centering priority of current unallocated resource to D2D pairs as resource to be allocated；It obtains current
Reusable frequency spectrum does not access D2D pairs in the reusable frequency spectrum.
In the present embodiment, priority can be pre-set, be also possible to the practical need according to D2D to energy efficiency
Corresponding priority is sought survival into, in the present embodiment without limitation.
Step 102, the D2D current reusable frequency spectrum described to traversal multiplexing for resource to be allocated, combine each frequency
CUE in spectrum obtains in each frequency spectrum D2D to achievable maximum power efficiency value.
In the present embodiment, CUE and D2D is carried out using the method based on Bisection-Search and Dinkelbach
Joint Power control, the final energy efficiency for maximizing D2D link.
For example, in the present embodiment, CUE (C is definedi), DUE (Dj) transmission power be respectivelyWithIt is fixed
Adopted DjPeak transfer rate beCiMinimum transmission rate beη≤1 is enabled to indicate D2D pairs of energy conversion effect
Rate, PcirIndicate the intrinsic circuit loss of DUE, UI, jIndicate DjEnergy efficiency.Initiation parameter n=0,∈=
10-5.It can prove formulaBe one aboutConvex function.Therefore, it uses
Bisection-Search method, the optimum transmission power that can quickly obtain D2D transmitting terminal are
By the inspiration of Dinkelbach method, in an iterative process, can be set
Accelerate convergence.Iterative process continues, and n=n+1 is arranged.Rule of judgmentIt is whether true.If set up,
Terminate power control process, otherwise, repeats above-mentioned steps until Rule of judgment is set up.
In the example above, D is enabledjTraversal is multiplexed its Candidate SetMiddle frequency spectrum i, definitionIndicate the corresponding CUE of frequency spectrum i,
To (Ci, Dj) joint Power control is carried out, D is then obtained by comparisonjAchieved 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 at
It is vertical.If set up, ending resource assigning process, otherwise, the step of repeating resource allocation until to all D2D to completing to provide
Source distribution.
In embodiments of the present invention, the current reusable frequency spectrum described to traversal multiplexing to the D2D of resource to be allocated, joint
CUE in each frequency spectrum obtains in each frequency spectrum D2D to achievable maximum power efficiency value；It is corresponding according to each frequency spectrum
Maximum power efficiency value is the D2D of the resource to be allocated to the reusable frequency spectrum of distribution.In the base for guaranteeing CUE service quality
On plinth, by successive interference cancellation techniques, the upper limit of the energy efficiency of DUE can be promoted.
Referring to Fig. 2, a kind of flow chart of the step 102 of the embodiment of the method 1 of resource allocation of the invention is shown, specifically
It may include steps of:
Step 201, the transmission power that CUE is set according to the minimum transmission rate of CUE.
In the present embodiment, the energy efficiency due to D2D pairs reduces with the increase of CUE transmission power.Maximize D2D pairs
Energy efficiency mean as far as possible reduce CUE transmission power.In addition, the minimum transmission rate in order to guarantee CUE, needs to be based on
CUE transmission power is arranged in the minimum transmission rate of CUE.
Specifically, executing SIC (Successive Interference Cancellation, serial interference according to base station
Eliminate) condition of technology and base station execute SUD (Single User Detection, Single-user detection) condition to set CUE
Minimum emissive power.
Step 202, obtain the first energy efficiency values, according to first energy efficiency values, the CUE transmission power,
Channel gain between channel gain and the receiving end D2D and CUE between D2D pairs obtains the first transmission power.
Wherein, first transmission power is the transmission power of the D2D transmitting terminal.
In the present embodiment, first energy efficiency values can be pre-set constant value, is also possible to circulation and holds
When row, current energy efficiency values that last circulation step obtains.
Step 203 obtains current energy efficiency values according to the transmission power of first transmission power and CUE.
Specifically, in an embodiment of the present invention, the step 203 may include: according to first transmission power, institute
It states the channel gain between the transmission power of CUE, the channel gain and the receiving end D2D and CUE between D2D pairs and generates D2D hair
Penetrate the transmission rate at end；According to the transmission rate of the D2D transmitting terminal, 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 as the first new energy efficiency values until the current energy efficiency values are maximum 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 corresponding spectrum.
In embodiments of the present invention, the current reusable frequency spectrum described to traversal multiplexing to the D2D of resource to be allocated, joint
CUE in each frequency spectrum obtains in each frequency spectrum D2D to achievable maximum power efficiency value；It is corresponding according to each frequency spectrum
Maximum power efficiency value is the D2D of the resource to be allocated to reusable frequency spectrum is distributed, and is guaranteeing phone user's service quality
On the basis of, by successive interference cancellation techniques, the upper limit of the energy efficiency of DUE can be promoted.
In order to enable the method that those skilled in the art better understand a kind of resource allocation provided in an embodiment of the present invention,
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 makes reusable cellular network uplink spectrum, CUE
Radio resource is orthogonal, single wireless frequency spectrum at most can only by a D2D to and CUE multiplexing, and one D2D pairs
The frequency spectrum resource of a CUE can only be multiplexed.BS can execute SIC process, gI, b, gJ, j, gJ, b, gI, jRespectively indicate CiWith BS, Dj,
DjTransmitting terminal and BS, CiWith DjChannel gain between receiving end.In this example, the side of resource allocation as shown in Figures 4 and 5
Method is shown in specific step is as follows:
1, in resource allocation process, it is contemplated that for different DUE for energy efficiency there are different requirements, the present embodiment is first
First introduce priority concept.
2, descending arranges and marks D2D pairs, makes its satisfactionWhereinIndicate D2D pairs of indexed set, djIndicate DjPriority.
3, D is initialized1Reusable frequency spectrum Candidate SetEnable j=1.
4, D is enabledjTraversal is multiplexed its Candidate SetMiddle frequency spectrum i, and to (Ci, Dj) carry out joint Power control.
5, 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, maximum value is respectivelyWith
η≤1 indicates D2D pairs of energy conversion efficiency；
PcirIndicate the intrinsic circuit loss of DUE；
N0For Gaussian noise power；
Γ is SINR (Signal-to-Interference-plus-Noise Ratio, Signal to Interference plus Noise Ratio) notch.
6, it is worth noting that, from UI, jExpression formula can see place, the energy efficiency of D2D withIncrease and reduce.
Maximize UI, jMean to reduce as far as possibleIn addition, in order to guarantee CiMinimum transmission rateSetting
WhereinThe condition of SIC is executed for base station；
On the contrary,Then indicate that base station executes the condition of SUD, i.e.,
In this example, whenWhen, base station can eliminate interference caused by D2D transmitting user first, so
The transmission signal of CUE is detected afterwards, and the transmission rate of CUE can be directly expressed as at this time
OtherwiseThe transmission rate of CUE is expressed as
By minimum transmission rateAnd maximum transmission powerCommon limitation,Feasible zone held in base station
It can be respectively indicated under the conditions of row SIC and SUD are as follows:
7, parameter n=0 is set,∈=10-5。
8, first by DjEnergy efficiency maximization problemsIt is converted to
FormDefinitionIt is in an iterative process
It can proveIt is about powerConvex function, i.e.,
Its first derivative be aboutMonotonous descending function.The optimal transmitting function of D2D can be solved using Bisection-Search method
Rate
Wherein in formulaIn,
ForBecause become
Amount.
9, then, by the inspiration of Dinkelbach method, it is arranged in an iterative process
Acceleration converges to optimal energy efficiency
10, continue iterative process, n=n+1, Rule of judgment are setIt is whether true.If set up
Next step is carried out, otherwise, repeats step 5 to step 10.
11, traversal obtains DjCorresponding all energy efficienciesThen by comparison, D is determinedjInstitute's energy
The maximum power efficiency of realizationFrequency spectrum i corresponding with its*。
12, in order to avoid single phone user and multiple D2D are to multiplexing same frequency spectrum, settingFrequency spectrum Candidate Set
For
13, j=j+1, Rule of judgment are setIt is whether true.If set up, terminate the optimized for energy efficiency side
Otherwise method repeats step 4 to step 13.
Referring to Fig. 6, a kind of structural block diagram of the Installation practice of resource allocation of the invention is shown, can specifically include
Following module:
Acquiring unit 601, for obtain resource to be allocated D2D pairs of terminal direct connection and current reusable frequency spectrum；
The D2D of processing unit 602, the resource to be allocated for obtaining for the acquiring unit is obtained to described in traversal multiplexing
The current reusable frequency spectrum for taking unit to obtain, combines the CUE in each frequency spectrum, obtains in each frequency spectrum D2D to achievable
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 are
The D2D of the resource to be allocated is to the reusable frequency spectrum of distribution.
In one example, as shown in fig. 7, the processing unit 602, may include:
Setup module 701, for the transmission power of CUE to be arranged according to the minimum transmission rate of CUE；
First execution module 702, for obtaining the first energy efficiency values, according to first energy efficiency values, the CUE
Transmission power, the channel gain between channel gain and the receiving end D2D and CUE between D2D pairs obtain the first transmitting function
Rate, first transmission power are the transmission power of the D2D transmitting terminal；
Second execution 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
State whether current energy efficiency values are maximum power efficiency value；
Third execution module 705 is worked as by described in if not being maximum power efficiency value for the current energy efficiency values
Preceding energy efficiency values are updated as the first new energy efficiency values until the current energy efficiency values are maximum
Energy efficiency values.
In one example, as shown in figure 8, second execution module 703, comprising:
First generate submodule 801, for according to first transmission power, the transmission power of the CUE, D2D to it
Between channel gain and the receiving end D2D and CUE between channel gain generate D2D transmission rate；
Second generates submodule 802, for the transmission rate, intrinsic circuit loss, the first transmission power according to the D2D
And D2D generates current energy efficiency values to energy conversion efficiency.
In one example, as shown in figure 9, the acquiring unit, comprising:
First obtains module 901, for obtaining the highest D2D of D2D centering priority of current unallocated resource to conduct
D2D pairs of resource to be allocated；
Second obtains module 902, for obtaining current reusable frequency spectrum, does not access D2D pairs in the reusable frequency spectrum.
In one example, as Figure 10 shows, the allocation unit 603, comprising:
Module 1001 is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, therefrom chooses ceiling capacity effect
Rate is worth maximum frequency spectrum；
4th execution module 1002 distributes to the resource to be allocated for maximum power efficiency to be worth maximum frequency spectrum
D2D is deleted from the current reusable frequency spectrum to and by the frequency spectrum.
Figure 11 is a kind of base station shown according to an exemplary embodiment.Base station described in example may include Fig. 6-10 institute
The device for the distribution resource shown.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used 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 be used one or more wherein include computer can
With in the computer-usable storage medium (including but 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 be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile for this
The those skilled in the art in field, according to the thought of the present invention, there will be changes in the specific implementation manner and application range,
In conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of method of resource allocation characterized by comprising
Obtain resource to be allocated D2D pairs of terminal direct connection and current reusable frequency spectrum；
For the D2D current reusable frequency spectrum described to traversal multiplexing of resource to be allocated, the honeycomb combined in each frequency spectrum is used
Family CUE obtains in each frequency spectrum D2D to achievable maximum power efficiency value；
It is the D2D of the resource to be allocated to the reusable frequency spectrum of distribution according to the corresponding maximum power efficiency value of each frequency spectrum；
CUE in each frequency spectrum of the joint obtains in each frequency spectrum D2D to achievable maximum power efficiency value, comprising:
The transmission power of CUE is set according to the minimum transmission rate of CUE；
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 the receiving end D2D and CUE obtains the first transmission power, and first transmission power is described
The transmission power of D2D transmitting terminal；
According between first transmission power, the transmission power of the CUE, D2D pairs channel gain and the receiving end D2D with
Channel gain between CUE generates the transmission rate of D2D transmitting terminal；According to the transmission rate of the D2D transmitting terminal, intrinsic circuit
Loss, the first transmission power and D2D generate current energy efficiency values to energy conversion efficiency；
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, using the current energy efficiency values as new the
One energy efficiency values are updated until the current energy efficiency values are maximum energy efficiency values.
2. the method according to claim 1, wherein the terminal direct connection D2D for obtaining resource to be allocated to
And current reusable frequency spectrum, comprising:
The highest D2D of D2D centering priority of current unallocated resource is obtained to D2D pairs as resource to be allocated；
Current reusable frequency spectrum is obtained, does not access D2D pairs in the reusable frequency spectrum.
3. the method according to claim 1, wherein described according to the corresponding maximum power efficiency of each frequency spectrum
Value is the D2D of the resource to be allocated to the reusable frequency spectrum of distribution, comprising:
The corresponding maximum power efficiency value of each frequency spectrum is obtained, maximum power efficiency is therefrom chosen and is worth maximum frequency spectrum；
Maximum power efficiency is worth maximum frequency spectrum and distributes to the D2D of the resource to be allocated to and by the frequency spectrum from described current
It is deleted in reusable frequency spectrum.
4. a kind of device of resource allocation characterized by comprising
Acquiring unit, for obtain resource to be allocated D2D pairs of terminal direct connection and current reusable frequency spectrum；
The D2D of processing unit, the resource to be allocated for obtaining for the acquiring unit is multiplexed the acquiring unit to traversal
The current reusable frequency spectrum obtained, combines the CUE in each frequency spectrum, obtains in each frequency spectrum D2D to achievable maximum energy
Amount efficiency value；
Allocation unit, the corresponding maximum power efficiency value of each frequency spectrum for being obtained according to the processing unit, for it is described to
The D2D of resource is distributed to the reusable frequency spectrum of distribution；
The processing unit, comprising:
Setup module, for the transmission power of CUE to be arranged according to the minimum transmission rate of CUE；
First execution 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 the receiving end D2D and CUE between power, D2D pairs obtains the first transmission power, described
First transmission power is the transmission power of the D2D transmitting terminal；
Second execution module, for being increased according to the channel between the transmission power of first transmission power, the CUE, D2D pairs
Benefit and the channel gain between the receiving end D2D and CUE generate the transmission rate of D2D transmitting terminal；According to the D2D transmitting terminal
Transmission rate, intrinsic circuit loss, the first transmission power and D2D generate current energy efficiency values to energy conversion efficiency；
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；
Third execution module, if not being maximum power efficiency value for the current energy efficiency values, by the current energy
Amount efficiency value is updated as the first new energy efficiency values until the current energy efficiency values are maximum energy dose-effect
Rate value.
5. device according to claim 4, which is characterized in that second execution module, comprising:
First generates submodule, for according to the channel between the transmission power of first transmission power, the CUE, D2D pairs
Channel gain between gain and the receiving end D2D and CUE generates the transmission rate of D2D；
Second generates submodule, for according to the transmission rate of the D2D, intrinsic circuit loss, the first transmission power and D2D
Current energy efficiency values are generated to energy conversion efficiency.
6. according to the described in any item devices of claim 4-5, which is characterized in that the acquiring unit, comprising:
First obtains module, for obtaining the highest D2D of D2D centering priority of current unallocated resource to as money to be allocated
D2D pairs of source；
Second obtains module, for obtaining current reusable frequency spectrum, does not access D2D pairs in the reusable frequency spectrum.
7. according to the described in any item devices of claim 4-5, which is characterized in that the allocation unit, comprising:
Module is chosen, for obtaining the corresponding maximum power efficiency value of each frequency spectrum, it is maximum therefrom to choose maximum power efficiency value
Frequency spectrum；
4th execution module distributes to the D2D of the resource to be allocated to simultaneously for maximum power efficiency to be worth maximum frequency spectrum
The frequency spectrum is deleted from the current reusable frequency spectrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387873.6A CN107172659B (en) | 2017-05-27 | 2017-05-27 | The method and device of resource allocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387873.6A CN107172659B (en) | 2017-05-27 | 2017-05-27 | The method and device of resource allocation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107172659A CN107172659A (en) | 2017-09-15 |
| CN107172659B true CN107172659B (en) | 2019-11-12 |
Family
ID=59821888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710387873.6A Expired - Fee Related CN107172659B (en) | 2017-05-27 | 2017-05-27 | The method and device of resource allocation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107172659B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111132312B (en) * | 2018-10-30 | 2022-05-17 | 大唐移动通信设备有限公司 | Resource allocation method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-05-27 CN CN201710387873.6A patent/CN107172659B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 刘衍平、方旭明.基于能效的D2D通信系统中资源复用策略研究.《西南交通大学学报》.2016,第51卷(第4期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107172659A (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Huang et al. | Energy-efficient SWIPT in IoT distributed antenna systems | |
| Wu et al. | Delay-minimization nonorthogonal multiple access enabled multi-user mobile edge computation offloading | |
| Tang et al. | Resource efficiency: A new paradigm on energy efficiency and spectral efficiency tradeoff | |
| EP3510804B1 (en) | Apparatus and method for dynamically assigning cells of remote radio units to coordination sets of baseband units for optimizing intercell coordination and performance | |
| WO2015143898A1 (en) | Beam selection method and base station | |
| CN104104468A (en) | Transmission method and device for uplink downlink configuration information | |
| US10051482B2 (en) | Method and apparatus for adjusting air interface capacity density | |
| Farah et al. | Power minimization in distributed antenna systems using non-orthogonal multiple access and mutual successive interference cancellation | |
| WO2013075122A1 (en) | Method and system for dynamic, joint assignment of power and scheduling of users for wireless systems | |
| Jiao et al. | Toward optimal resource scheduling for Internet of Things under imperfect CSI | |
| CN107172659B (en) | The method and device of resource allocation | |
| RU2650189C1 (en) | Method of data transmitting and communication device | |
| Nguyen et al. | Joint computation offloading and resource allocation in cloud based wireless HetNets | |
| Sun et al. | User association and resource allocation for MEC-enabled IoT networks | |
| CN104968051B (en) | A kind of resource allocation methods and device of partial wideband uplink | |
| Rashid et al. | Energy efficient resource allocation for uplink MC-NOMA based heterogeneous small cell networks with wireless backhaul | |
| Ren et al. | Multi-Slice Joint Task Offloading and Resource Allocation Scheme for Massive MIMO Enabled Network. | |
| Dahrouj et al. | Coordinated scheduling for wireless backhaul networks with soft frequency reuse | |
| Zhang et al. | Energy-efficient non-orthogonal multiple access for downlink communication in mobile edge computing systems | |
| CN105792358A (en) | Channel obtaining signal configuring and generating method and device | |
| Zhang et al. | Energy efficient resource allocation over cloud-RAN based heterogeneous network | |
| JP2019526185A (en) | Channel correction method, channel correction apparatus, and communication system | |
| CN110225568B (en) | MTC gateway selection method and equipment based on lowest energy consumption under non-orthogonal multiple access | |
| Kazeminia et al. | A D2D-based solution for MTC connectivity problem in NOMA-based cellular IoT networks: Dynamic user grouping and resource allocation | |
| Moltafet et al. | Power minimization in 5G heterogeneous cellular networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |