CN104144507B - A kind of methods, devices and systems for the communication resource for determining D2D pairs - Google Patents
A kind of methods, devices and systems for the communication resource for determining D2D pairs Download PDFInfo
- Publication number
- CN104144507B CN104144507B CN201310173606.0A CN201310173606A CN104144507B CN 104144507 B CN104144507 B CN 104144507B CN 201310173606 A CN201310173606 A CN 201310173606A CN 104144507 B CN104144507 B CN 104144507B
- Authority
- CN
- China
- Prior art keywords
- mrow
- msub
- base station
- information
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
It is an object of the invention to provide a kind of methods, devices and systems for the communication resource for determining D2D pairs.The method according to the invention includes：Obtain and treat that corresponding second relevant information of optional equipment and third phase corresponding with the base station close information to the first corresponding relevant information, with described with the D2D；Information is closed based on described first, second and third phase, and with reference to the first Signal to Interference plus Noise Ratio threshold value corresponding with described D2D pairs of receiving terminal, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station, to judge the D2D to whether meeting predetermined condition；When the D2D is to meeting the predetermined condition, the communication resource distribution of optional equipment is treated described in selection to described D2D pairs, so that it carries out D2D communications.Technique according to the invention scheme can ensure the communication quality and D2D pairs of communication quality of cellular subscriber device simultaneously.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method, apparatus of communication resource for determining D2D pairs and it is
System.
Background technology
Because D2D (Device-to-Device, equipment is to equipment) technology can effectively increase the spectrum efficiency of system,
And power consumptions of the D2D to the user equipment in (Device-to-Device Pair) is reduced, thus has been obtained more and more
Concern.In the network that one is supported D2D technologies, radio resource can simultaneously by cellular subscriber device and D2D to using,
So that system resource can be by compact multiplexing.However, for up-link compares downlink, abundant profit can be not yet obtained
With, therefore most of researchs on D2D transmission are primarily upon how making D2D to that can be multiplexed the up-link of LTE system frequently
In terms of spectrum.
Under the pattern of shared uplink resource, especially in the case that D2D is to relatively nearer to base station, base station
The very big interference from D2D pairs of transmitting terminal may be received.
The more existing technical scheme for being used to solve problems, mainly according between D2D pairs and cellular subscriber device
Disturbed condition, limit D2D pairs transmitting terminal transmission power, to reduce interference of its transmitting terminal for base station.However, due to
Cellular subscriber device can also interfere with D2D pairs of transmitting terminal simultaneously, and therefore, such mode can not be within the time short enough, example
In several milliseconds, preferably solves the problem.
The content of the invention
It is an object of the invention to provide a kind of methods, devices and systems for the communication resource for determining D2D pairs.
According to an aspect of the present invention, there is provided a kind of method for the communication resource for determining D2D pairs in a base station, wherein,
The base station corresponds at least one cellular subscriber device, wherein, treated for one at least one cellular subscriber device
Optional equipment, methods described include：
A obtain to the D2D to the first corresponding relevant information, with it is described treat optional equipment it is corresponding second it is related believe
Breath and third phase corresponding with the base station close information；
B is based on described first, second and third phase pass information, and with reference to corresponding with described D2D pairs of receiving terminal
First Signal to Interference plus Noise Ratio threshold value, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station, to judge the D2D to whether full
Sufficient predetermined condition；
C treats the communication resource distribution of optional equipment to described when the D2D is to meeting the predetermined condition described in selection
D2D pairs, so that it carries out D2D communications.
According to an aspect of the present invention, a kind of base station for the communication resource for determining D2D pairs, the base station pair are additionally provided
At least one cellular subscriber device is answered, wherein, the base station includes following device, to be set at least one phone user
One in standby is treated that optional equipment performs operation：
First acquisition device, optional equipment pair is treated to the first corresponding relevant information, with described with the D2D for obtaining
The second relevant information answered and third phase corresponding with the base station close information；
Judgment means, for based on described first, second and third phase close information, and with reference to the D2D to connecing
The first corresponding Signal to Interference plus Noise Ratio threshold value of receiving end, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station, to judge
D2D is stated to whether meeting predetermined condition；
First determining device, for when the D2D is to meeting the predetermined condition, determining the D2D to reusable institute
State and treat the communication resource of optional equipment to carry out D2D communications.
According to an aspect of the present invention, a kind of communication system is additionally provided, wherein, the communication system includes the base
Stand, at least one cellular subscriber device corresponding with the base station, and described D2D pairs.
Compared with prior art, the present invention has advantages below：Technique according to the invention scheme, by for D2D pairs
Judge whether it can cause excessive interference to eNB when distributing the communication resource, so as to meet the feelings of certain Signal to Interference plus Noise Ratio condition
Under condition, be D2D to distributing the suitable communication resource, to ensure the communication quality of cellular subscriber device and D2D pairs of communication simultaneously
Quality.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 illustrates a kind of communication system according to the present invention；
Fig. 2 illustrates a kind of systems approach flow chart for being used to determine D2D pairs of the communication resource according to the present invention；
Fig. 3 illustrates to be used to determine that the structure of the communication system of D2D pairs of the communication resource is shown according to a kind of of the present invention
It is intended to；
Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates a kind of communication system, and the communication system can support D2D to communicate.Wherein, according to the logical of the present invention
Letter system, including at least one base station, and corresponding at least one cellular subscriber device and at least one D2D pairs.
Wherein, it is the wireless communication system based on 3GPP LTE that the communication system, which includes but is not limited to,.Wherein, the base
Stand and include but is not limited to BS, e-NodeB, Home eNodeB, macro base station etc..The cellular subscriber device includes can be wirelessly straight
Connect or indirectly and base station communication electronic installation, including but not limited to mobile phone, PDA etc..The D2D including two pairings to setting
It is standby, between two paired devices, communication link is established by using the D2D communication technologys, to lead to by being multiplexed corresponding honeycomb
Believe the communication resource of link, directly communicated between two paired devices pair.
The D2D centerings include a transmitting terminal and a receiving terminal；It is described in only supporting D2D pairs of one-way communication
Transmitting terminal and receiving terminal can be respectively in two user equipmenies, and in D2D pairs of two-way communication is supported, each user equipment is equal
Include transmitting terminal and receiving terminal.
It should be noted that it should be appreciated by those skilled in the art that the communication system, base station and user equipment simultaneously
Non- to be limited with described, any system, base station and user equipment that can be applied to the present invention should be included in the protection of the present invention
In the range of.
Fig. 2 illustrates a kind of systems approach flow chart for being used to determine D2D pairs of the communication resource according to the present invention.Root
According to the method for the present invention, including by step S21s of the D2D to execution, step S11, step S12 and step by base station execution
S13。
Wherein, the method according to the invention, base station is as selecting one at least one cellular subscriber device corresponding to it
Optional equipment is treated, and optional equipment is treated based on this, performs step S11 to step S13.
Wherein, base station is based on predetermined selection strategy, by least one honeycomb by the use of selecting one in equipment as treating
Optional equipment.
Preferably, base station is based on predetermined selection strategy, as being selected at least one cellular subscriber device corresponding to it
The cellular subscriber device of predetermined number, and by the cellular subscriber device of the predetermined number, selecting one and treating optional equipment.
In the step s 21, D2D is to sending the first relevant information of the D2D links between D2D pairs to base station.
Preferably, the D2D to base station to sending the D2D links between described D2D pairs by receiving terminal or transmitting terminal
First relevant information.
Wherein, first relevant information includes：1) the first fading information of the D2D links between described D2D pairs, it is described
First fading information is used to indicate from the transmitting terminal to the power fading situation the receiving terminal；2) the D2D centerings
The receiving terminal the first dry information of making an uproar；Described first dry information of making an uproar is used for the noise and interference work(for indicating the receiving terminal
Rate relevant information.
Preferably, the described first dry information of making an uproar includes the first noise power and the first jamming power of the receiving terminal.
It is highly preferred that when D2D is to detecting that the first jamming power is much larger than the first noise power, D2D is to only to base station
Report the first jamming power；Similarly, when D2D is much larger than the first jamming power to the first noise power detected, D2D pairs
Only the first noise power is reported to base station.
Preferably, the method according to the invention, by inserting reference channel in D2D links, it is contained in for measuring and calculating
The first fading information in first relevant information.It is highly preferred that the reference channel can be additionally used in the demodulation of D2D links.For example,
Around uplink demodulation reference signal (DMRS, the Demodulation Reference of similar LTE system is inserted in D2D links
Signals signal), to realize the first fading information of measuring and calculating and the demodulation operation for D2D links.
Then, in step s 11, base station obtains to be selected sets with the D2D to the first corresponding relevant information, with described
Standby corresponding second relevant information and third phase corresponding with the base station close information.
Wherein, the first relevant information illustrates in abovementioned steps S21, and here is omitted.
Wherein, second relevant information includes：1) second fading information treated between optional equipment and the base station；
Second fading information is used to indicate to treat optional equipment to the power fading situation the base station from described；2) it is described to be selected
First transmission power of equipment.
Wherein, the third phase closes information and included：1) the 3rd decline between the base station and described D2D pairs of transmitting terminal
Information, wherein, the 3rd fading information is used to indicate from the transmitting terminal to the power fading situation the base station；2)
Second dry information of making an uproar of the base station, the described second dry information of making an uproar are used for the noise and inter-cell interference work(for indicating the base station
The relevant information of rate.
Wherein, base station obtains included in described first, second and third phase pass information in different ways
Various information.
Preferably, base station receives the first relevant information reported by D2D pairs of receiving terminal respectively, and by treating on optional equipment
First transmission power of report.
Preferably, base station is by measuring uplink detection reference information (SRS, Sounding corresponding with treating optional equipment
Reference Signal) or up DMRS determine the second fading information corresponding with treating optional equipment.
Preferably, base station obtains itself the 3rd fading information between described D2D pairs of transmitting terminal by measurement, and
The the second dry information of making an uproar of itself.
Then, in step s 12, base station be based on described first, second and third phase close information, and with reference to it is described
The first corresponding Signal to Interference plus Noise Ratio threshold value of D2D pairs of receiving terminal, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station,
To judge the D2D to whether meeting predetermined condition.
Quality of service information that wherein, the first Signal to Interference plus Noise Ratio threshold value is linked based on described D2D couples of D2D (QoS,
Quality ofService) determine.Preferably, different quality of service request corresponds to the first different Signal to Interference plus Noise Ratio respectively
Threshold value.
Wherein, the second Signal to Interference plus Noise Ratio threshold value treats the cellular link between optional equipment and the base station based on described
QoS information determines.Preferably, different quality of service request corresponds to the second different Signal to Interference plus Noise Ratio threshold values respectively.
Wherein, those skilled in the art should can determine that corresponding letter is dry to obtain according to actual conditions and demand according to QoS
Make an uproar than the mode of threshold value, will not be repeated here.
Wherein, the embodiment of the step S12 includes following any：
1) first fading information includes the first channel fading between the transmitting terminal and the receiving terminal, and described the
Three fading informations include the 3rd channel fading between the transmitting terminal and the base station, and the described first dry information of making an uproar includes first
Noise power and the first jamming power, the described second dry information of making an uproar include the second noise power and the second jamming power, wherein, institute
Stating predetermined condition includes inequality as follows：
Wherein, hCDFor the 3rd channel fading, hDFor first channel fading, γDthFor first Signal to Interference plus Noise Ratio
Threshold value, PCUEFor first transmission power, hCDeclined for the second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, ID
For first jamming power, N0DFor first noise power, ICFor second jamming power, N0CFor second noise
Power.
Specifically, whether the base station meets inequality by the value of the every terms of information obtained in judgment step S11
(1), when meeting inequality (1), determine the D2D to meeting predetermined condition.
2) first fading information includes the first path distance of the D2D links and corresponding first path decline
Index；3rd fading information includes the second path distance and corresponding second tunnel between the transmitting terminal and the base station
Footpath decline index, the described first dry information of making an uproar include the first noise power and the first jamming power, the described second dry packet of making an uproar
The second noise power and the second jamming power are included, wherein, the predetermined condition includes inequality as follows：
Wherein, dCDFor second path distance, β is the second path fading index, dDFor the first path away from
It is that the first path declines index from, α, γDthFor the first Signal to Interference plus Noise Ratio threshold value, PCUEFor first transmission power,
hCDeclined for the second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDFor first jamming power, N0DTo be described
First noise power, ICFor second jamming power, N0CFor second noise power.
Specifically, whether the base station meets inequality by the value of the every terms of information obtained in judgment step S11
(2), when meeting inequality (2), determine the D2D to meeting predetermined condition.
According to a preferred embodiment of the present invention, first letter of the predetermined condition including the D2D receiving terminals is dry makes an uproar
Than meeting the first Signal to Interference plus Noise Ratio threshold value, and the second Signal to Interference plus Noise Ratio of the base station meets the second Signal to Interference plus Noise Ratio threshold
Value, wherein, the method according to the invention also includes step S14 (not shown), step S12 including step S121 (not shown) and
Step S122 (not shown).
In step S14, base station obtains second transmission power of the transmitting terminal relative to the base station.
In step S121, base station based on the first relevant information and the D2D transmission power informations obtained, it is determined that
First Signal to Interference plus Noise Ratio, and information and the D2D transmission power informations are closed based on second relevant information, third phase,
Determine second Signal to Interference plus Noise Ratio.
According to the preferred scheme of the present embodiment, the predetermined condition includes " γDrx≥γDthAnd γeNB≥γCth", its
In, the γDthFor the first Signal to Interference plus Noise Ratio threshold value, γCthFor the second Signal to Interference plus Noise Ratio threshold value, γDrxFor described D2D pairs of receiving terminal
The first Signal to Interference plus Noise Ratio, γeNBFor the second Signal to Interference plus Noise Ratio of the base station.
Wherein, base station determines the first Signal to Interference plus Noise Ratio based on following formula (3).
Wherein, PDtxFor the second transmission power, hDFor first channel fading, IDFor first jamming power, N0DFor
First noise power.
Also, base station determines the second Signal to Interference plus Noise Ratio based on following formula (4).
Wherein, PCUEFor first transmission power, hCDeclined for the second channel, PDtxFor the second transmission power, hCD
For the 3rd channel fading, ICFor second jamming power, N0CFor second noise power.
Then, in step S122, base station is with reference to the first Signal to Interference plus Noise Ratio threshold value and the second Signal to Interference plus Noise Ratio threshold
Value, judges whether first Signal to Interference plus Noise Ratio and second Signal to Interference plus Noise Ratio meet the predetermined condition.
Preferably, base station is according to the γ obtained in step S121DrxAnd γeNB, and the fixed γ in base stationDthWith
γCthValue, judge predetermined condition " γDrx≥γDthAnd γeNB≥γCth" whether set up.
Then, in step s 13, it is base station selected described to treat optional equipment when the D2D is to meeting the predetermined condition
Communication resource distribution gives described D2D pairs, so that it carries out D2D communications.
As one of the preferred embodiments of the present invention, the method according to the invention also includes step S15 (not shown).
In step S15, when the D2D is to being unsatisfactory for the predetermined condition, base station performs corresponding position to the D2D
Reason.Wherein, the respective handling includes any one of following：
1) optional equipment is treated by selecting another cellular subscriber device to be used as at least one cellular subscriber device.
For example, base station by least one cellular subscriber device, selects the cellular subscriber device being not yet selected,
The step S21 of execution, the step S11 to step S13 of base station execution are come true as new optional equipment for the treatment of, and again by D2D
The fixed D2D relative to this to new treating whether optional equipment meets predetermined condition.
2) not in current time slots for D2D to distribute the communication resource.
It should be noted that any deformation based on foregoing the separate equations is to methods of the D2D to being judged, for example, right
In any deformation that inequality (1) or (2) are done, or, based on predetermined condition " γDrx≥γDthAnd γeNB≥γCth", with
And all kinds of deformation conditions that aforementioned formula (3) and (4) are derived from, it is intended to be limited solely by the invention scope of the present invention.
As a preferred embodiment of the present invention, when the D2D is to supporting two-way communication, base station needs to obtain respectively
The transmitting terminal of two communication directions and the relevant parameter of receiving terminal, perform abovementioned steps S11 to step S13 operation respectively, with
Judge the D2D respectively to whether being satisfied by predetermined condition in the two directions, and only when two communication directions transmitting terminal with
When receiving terminal is satisfied by predetermined condition, by treat optional equipment communication resource distribution give this D2D pairs, so that it is communicated.
The method according to the invention, before for D2D to the distribution communication resource, that is, detect its interference shadow for base station
Ring, and interference of the cellular subscriber device to it, and only in the case where D2D is to meeting corresponding Signal to Interference plus Noise Ratio condition, it is allowed to
The D2D to being communicated using the communication resource for treating optional equipment, so as to ensure the service quality of corresponding cellular link with
And the service quality of D2D pairs of the D2D links.
Fig. 3 illustrates to be used to determine that the structure of the communication system of D2D pairs of the communication resource is shown according to a kind of of the present invention
It is intended to.The system according to the present invention includes base station, D2D pairs and corresponding with base station treats optional equipment.
Wherein, the D2D is to including dispensing device 21, the base station include the first acquisition device 11, judgment means 12 with
And first determining device 13.
Wherein, according to the solution of the present invention, base station is as selecting one at least one cellular subscriber device corresponding to it
Treat optional equipment, also, the first acquisition device 11 in base station, the determining device 13 of judgment means 12 and first are based on this and to be selected set
It is standby to perform operation.
Wherein, base station is based on predetermined selection strategy, by least one honeycomb by the use of selecting one in equipment as treating
Optional equipment.
Preferably, base station is based on predetermined selection strategy, as being selected at least one cellular subscriber device corresponding to it
The cellular subscriber device of predetermined number, and by the cellular subscriber device of the predetermined number, selecting one and treating optional equipment.
The dispensing device 21 of D2D centerings sends the first fading information of the D2D links between described D2D pairs to base station.
Preferably, the dispensing device 21 is contained in described D2D pairs of receiving terminal or transmitting terminal.
Wherein, first relevant information includes：1) the first fading information of the D2D links between described D2D pairs, it is described
First fading information is used to indicate from the transmitting terminal to the power fading situation the receiving terminal；2) the D2D centerings
The receiving terminal the first dry information of making an uproar；Described first dry information of making an uproar is used for the noise and interference work(for indicating the receiving terminal
Rate relevant information.
Preferably, the described first dry information of making an uproar includes the first noise power and the first jamming power of the receiving terminal.
It is highly preferred that when D2D is to detecting that the first jamming power is much larger than the first noise power, dispensing device 21 only to
Base station reports the first jamming power；Similar, when D2D is much larger than the first jamming power to the first noise power detected,
Dispensing device 21 only reports the first noise power to base station.
Preferably, the method according to the invention, by inserting reference channel in D2D links, it is contained in for measuring and calculating
The first fading information in first relevant information.It is highly preferred that the reference channel can be additionally used in the demodulation of D2D links.For example,
Around uplink demodulation reference signal (DMRS, the Demodulation Reference of similar LTE system is inserted in D2D links
Signals signal), to realize the first fading information of measuring and calculating and the demodulation operation for D2D links.
Then, the first acquisition device 11 in base station obtain with the D2D to the first corresponding relevant information, with it is described
Treat that the second relevant information corresponding to optional equipment and third phase corresponding with the base station close information.
Wherein, the first relevant information illustrates in abovementioned steps S21, and here is omitted.
Wherein, second relevant information includes：1) second fading information treated between optional equipment and the base station；
Second fading information is used to indicate to treat optional equipment to the power fading situation the base station from described；2) it is described to be selected
First transmission power of equipment.
Wherein, the third phase closes information and included：1) the 3rd decline between the base station and described D2D pairs of transmitting terminal
Information, wherein, the 3rd fading information is used to indicate from the transmitting terminal to the power fading situation the base station；2)
Second dry information of making an uproar of the base station, the described second dry information of making an uproar are used for the noise and inter-cell interference work(for indicating the base station
The relevant information of rate.
Wherein, the first acquisition device 11 obtains described first, second and third phase pass information in different ways
Included in various information.
Preferably, the first acquisition device 11 receives the first relevant information reported by D2D pairs of receiving terminal, Yi Jiyou respectively
Treat the first transmission power that optional equipment reports.
Preferably, the first acquisition device 11 by measure corresponding with treating optional equipment uplink detection reference information (SRS,
Sounding Reference Signal) or up DMRS determine the second fading information corresponding with treating optional equipment.
Preferably, the first acquisition device 11 obtains itself the 3rd declining between described D2D pairs of transmitting terminal by measuring
Fall information, and the second dry information of making an uproar of itself.
Then, the judgment means 12 of base station be based on described first, second and third phase close information, and with reference to it is described
The first corresponding Signal to Interference plus Noise Ratio threshold value of D2D pairs of receiving terminal, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station,
To judge the D2D to whether meeting predetermined condition.
Quality of service information that wherein, the first Signal to Interference plus Noise Ratio threshold value is linked based on described D2D couples of D2D (QoS,
Quality ofService) determine.Preferably, different quality of service request corresponds to the first different Signal to Interference plus Noise Ratio respectively
Threshold value.
Wherein, the second Signal to Interference plus Noise Ratio threshold value treats the cellular link between optional equipment and the base station based on described
QoS information determines.Preferably, different quality of service request corresponds to the second different Signal to Interference plus Noise Ratio threshold values respectively.
Wherein, those skilled in the art should can determine that corresponding letter is dry to obtain according to actual conditions and demand according to QoS
Make an uproar than the mode of threshold value, will not be repeated here.
Wherein, the embodiment of the judgment means 12 includes following any：
1) first fading information includes the first channel fading between the transmitting terminal and the receiving terminal, and described the
Three fading informations include the 3rd channel fading between the transmitting terminal and the base station, and the described first dry information of making an uproar includes first
Noise power and the first jamming power, the described second dry information of making an uproar include the second noise power and the second jamming power, wherein, institute
Stating predetermined condition includes inequality as follows：
Wherein, hCDFor the 3rd channel fading, hDFor first channel fading, γDthFor first Signal to Interference plus Noise Ratio
Threshold value, PCUEFor first transmission power, hCDeclined for the second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, ID
For first jamming power, N0DFor first noise power, ICFor second jamming power, N0CFor second noise
Power.
Specifically, judgment means 12 judge whether the value for the every terms of information that the first acquisition device 11 is obtained meets inequality
(1), when meeting inequality (1), determine the D2D to meeting predetermined condition.
2) first fading information includes the first path distance of the D2D links and corresponding first path decline
Index；3rd fading information includes the second path distance and corresponding second tunnel between the transmitting terminal and the base station
Footpath decline index, the described first dry information of making an uproar include the first noise power and the first jamming power, the described second dry packet of making an uproar
The second noise power and the second jamming power are included, wherein, the predetermined condition includes inequality as follows：
Wherein, dCDFor second path distance, β is the second path fading index, dDFor the first path away from
It is that the first path declines index from, α, γDthFor the first Signal to Interference plus Noise Ratio threshold value, PCUEFor first transmission power,
hCDeclined for the second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDFor first jamming power, N0DTo be described
First noise power, ICFor second jamming power, N0CSecond noise power is described.
Specifically, judgment means 12 judge whether the value for the every terms of information that the first acquisition device 11 is obtained meets inequality
(2), when meeting inequality (2), determine the D2D to meeting predetermined condition.
According to a preferred embodiment of the present invention, first letter of the predetermined condition including the D2D receiving terminals is dry makes an uproar
Than meeting the first Signal to Interference plus Noise Ratio threshold value, and the second Signal to Interference plus Noise Ratio of the base station meets the second Signal to Interference plus Noise Ratio threshold
Value, wherein, the second acquisition device (not shown) is also included according to the base station of the present invention, judgment means 12 further comprise that second is true
Determine device (not shown) and sub- judgment means (not shown).
Second acquisition device obtains second transmission power of the transmitting terminal relative to the base station.
Second determining device is based on the first relevant information and the D2D transmission power informations obtained, it is determined that described
First Signal to Interference plus Noise Ratio, and information and the D2D transmission power informations are closed based on second relevant information, third phase, it is determined that
Second Signal to Interference plus Noise Ratio.
According to the preferred scheme of the present embodiment, the predetermined condition includes " γDrx≥γDthAnd γeNB≥γCth", its
In, the γDthFor the first Signal to Interference plus Noise Ratio threshold value, γCthFor the second Signal to Interference plus Noise Ratio threshold value, γDrxFor described D2D pairs of receiving terminal
The first Signal to Interference plus Noise Ratio, γeNBFor the second Signal to Interference plus Noise Ratio of the base station.
Wherein, the second determining device determines the first Signal to Interference plus Noise Ratio based on following formula (3).
Wherein, PDtxFor the second transmission power, hDFor first channel fading, IDFor first jamming power, N0DFor
First noise power.
Also, the second determining device determines the second Signal to Interference plus Noise Ratio based on following formula (4).
Wherein, PCUEFor first transmission power, hCDeclined for the second channel, PDtxFor the second transmission power, hCD
For the 3rd channel fading, ICFor second jamming power, N0CFor second noise power.
Then, sub- judgment means judge with reference to the first Signal to Interference plus Noise Ratio threshold value and the second Signal to Interference plus Noise Ratio threshold value
Whether first Signal to Interference plus Noise Ratio and second Signal to Interference plus Noise Ratio meet the predetermined condition.
Preferably, sub- judgment means are according to the γ obtained in the second determining deviceDrxAnd γeNB, and base station is fixed
γDthAnd γCthValue, judge predetermined condition " γDrx≥γDthAnd γeNB≥γCth" whether set up.
Then, when the D2D is to meeting the predetermined condition, the first determining device 13 of base station selects described to be selected set
Standby communication resource distribution gives described D2D pairs, so that it carries out D2D communications.
As one of the preferred embodiments of the present invention, processing unit (not shown) is also included according to the base station of the present invention.
When the D2D is to being unsatisfactory for the predetermined condition, processing unit performs respective handling to the D2D.Wherein, institute
Stating respective handling includes following any one：
1) select another cellular subscriber device to be used as at least one cellular subscriber device described in processing unit and treat optional equipment.
For example, processing unit is by least one cellular subscriber device, selecting the phone user being not yet selected
Equipment, as new optional equipment for the treatment of, and again by the first acquisition device 11 in the dispensing device 11 of D2D centerings, base station, sentence
The disconnected determining device 13 of device 12 and first performs operation operation, determines the D2D to new whether treating optional equipment relative to this
Meet predetermined condition.
2) processing unit not in current time slots for D2D to distribute the communication resource.
It should be noted that any deformation based on foregoing the separate equations is to methods of the D2D to being judged, for example, right
In any deformation that inequality (1) or (2) are done, or, based on predetermined condition " γDrx≥γDthAnd γeNB≥γCth", with
And all kinds of deformation conditions that aforementioned formula (3) and (4) are derived from, it is intended to be limited solely by the invention scope of the present invention.
As a preferred embodiment of the present invention, when the D2D is to supporting two-way communication, base station needs to obtain respectively
The transmitting terminal of two communication directions and the relevant parameter of receiving terminal, and by the first acquisition device 11, judgment means 12 and first
Determining device 13 performs operation, to judge the D2D respectively to whether being satisfied by predetermined condition in the two directions, and only when two
When the transmitting terminal of individual communication direction is satisfied by predetermined condition with receiving terminal, the communication resource distribution of optional equipment will be treated D2D to this pairs,
So that it is communicated.
According to the solution of the present invention, before for D2D to the distribution communication resource, that is, its interference shadow for base station is detected
Ring, and interference of the cellular subscriber device to it, and only in the case where D2D is to meeting corresponding Signal to Interference plus Noise Ratio condition, it is allowed to
The D2D to being communicated using the communication resource for treating optional equipment, so as to ensure the service quality of corresponding cellular link with
And the service quality of D2D pairs of the D2D links.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in system claims is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (15)
1. it is a kind of determine in a base station equipment to equipment (D2D, Device to Device) to the communication resource method, its
In, the base station corresponds at least one cellular subscriber device, wherein, for one at least one cellular subscriber device
Optional equipment is treated, methods described includes：
A obtains with the D2D to the first corresponding relevant information, with it is described treat corresponding second relevant information of optional equipment, with
And third phase corresponding with the base station closes information；
B is based on first relevant information, second relevant information and the third phase close information, and with reference to it is described
The first corresponding Signal to Interference plus Noise Ratio threshold value of D2D pairs of receiving terminal, and the second Signal to Interference plus Noise Ratio threshold value corresponding with the base station,
To judge the D2D to whether meeting predetermined condition；
C treats the communication resource distribution of optional equipment to described D2D pairs when the D2D is to meeting the predetermined condition described in selection,
So that it carries out D2D communications.
2. according to the method for claim 1, wherein, the predetermined condition includes the first letter of described D2D pairs of receiving terminal
It is dry to make an uproar than meeting the first Signal to Interference plus Noise Ratio threshold value, and the second Signal to Interference plus Noise Ratio of the base station meets second Signal to Interference plus Noise Ratio
Threshold value, wherein, methods described is further comprising the steps of：
- obtain second transmission power of the transmitting terminal relative to the base station；
Wherein, the step b comprises the following steps：
- based on the first relevant information and D2D transmission power informations obtained, first Signal to Interference plus Noise Ratio is determined, and be based on
Second relevant information, third phase close information and the D2D transmission power informations, determine second Signal to Interference plus Noise Ratio；
- with reference to the first Signal to Interference plus Noise Ratio threshold value and the second Signal to Interference plus Noise Ratio threshold value, judge first Signal to Interference plus Noise Ratio with
And whether second Signal to Interference plus Noise Ratio meets the predetermined condition.
3. method according to claim 1 or 2, wherein, first relevant information includes：
- it is described D2D pairs between D2D links the first fading information；
First dry information of making an uproar of the receiving terminal of-D2D centerings；
Wherein, second relevant information includes：
- second fading information treated between optional equipment and the base station；
- first transmission power for treating optional equipment；
Wherein, the third phase closes information and included：
- the 3rd fading information between the base station and described D2D pairs of transmitting terminal；
Second dry information of the making an uproar of-base station.
4. according to the method for claim 3, wherein, first fading information includes the transmitting terminal and the receiving terminal
Between the first channel fading, the 3rd fading information includes the 3rd channel between the transmitting terminal and the base station and declines
Fall, the described first dry information of making an uproar includes the first noise power and the first jamming power, and the described second dry information of making an uproar is made an uproar including second
Acoustical power and the second jamming power, wherein, the predetermined condition includes inequality as follows：
<mrow>
<msub>
<mi>h</mi>
<mrow>
<mi>C</mi>
<mi>D</mi>
</mrow>
</msub>
<mo>&le;</mo>
<mfrac>
<msub>
<mi>h</mi>
<mi>D</mi>
</msub>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>D</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
</mfrac>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<msub>
<mi>P</mi>
<mrow>
<mi>C</mi>
<mi>U</mi>
<mi>E</mi>
</mrow>
</msub>
<msub>
<mi>h</mi>
<mi>C</mi>
</msub>
</mrow>
<mrow>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>C</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<mrow>
<mo>(</mo>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mo>-</mo>
<mfrac>
<mrow>
<msub>
<mi>I</mi>
<mi>C</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>C</mi>
</mrow>
</msub>
</mrow>
<mrow>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
</mrow>
</mfrac>
<mo>)</mo>
</mrow>
<mo>;</mo>
</mrow>
Wherein, hCDFor the 3rd channel fading, hDFor first channel fading, γDthFor the first Signal to Interference plus Noise Ratio threshold
Value, PCUEFor first transmission power, hCDeclined for second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDTo be described
First jamming power, N0DFor first noise power, ICFor second jamming power, N0CFor second noise power.
5. according to the method for claim 3, wherein, first fading information includes the first path of the D2D links
Distance and corresponding first path decline index；3rd fading information includes the between the transmitting terminal and the base station
Two path distances and corresponding second path fading index, the described first dry information of making an uproar are dry including the first noise power and first
Power is disturbed, the described second dry information of making an uproar includes the second noise power and the second jamming power, wherein, the predetermined condition is included such as
Lower shown inequality：
<mrow>
<msub>
<mi>d</mi>
<mrow>
<mi>C</mi>
<mi>D</mi>
</mrow>
</msub>
<mo>&GreaterEqual;</mo>
<msup>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<msub>
<mi>P</mi>
<mrow>
<mi>C</mi>
<mi>U</mi>
<mi>E</mi>
</mrow>
</msub>
<msub>
<mi>h</mi>
<mi>C</mi>
</msub>
</mrow>
<mrow>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>C</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<mrow>
<mo>(</mo>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mo>-</mo>
<mfrac>
<mrow>
<msub>
<mi>I</mi>
<mi>C</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>C</mi>
</mrow>
</msub>
</mrow>
<mrow>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
</mrow>
</mfrac>
<mo>)</mo>
</mrow>
<mrow>
<mo>-</mo>
<mfrac>
<mn>1</mn>
<mi>&beta;</mi>
</mfrac>
</mrow>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>D</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<msubsup>
<mi>d</mi>
<mi>D</mi>
<mi>&alpha;</mi>
</msubsup>
<mo>)</mo>
</mrow>
<mfrac>
<mn>1</mn>
<mi>&beta;</mi>
</mfrac>
</msup>
<mo>;</mo>
</mrow>
Wherein, dCDFor second path distance,βFor the second path fading index, dDFor the first path distance, α is
The first path decline index, γDthFor the first Signal to Interference plus Noise Ratio threshold value, PCUEFor first transmission power, hCFor institute
State second channel decline；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDFor first jamming power, N0DMade an uproar for described first
Acoustical power, ICFor second jamming power, N0CFor second noise power.
6. method according to claim 1 or 2, wherein, methods described is further comprising the steps of：
- when the D2D is to being unsatisfactory for the predetermined condition, respective handling is performed to the D2D；Wherein, the respective handling
Including any one of following：
- by selecting another cellular subscriber device conduct to treat optional equipment at least one cellular subscriber device；
- not in current time slots for D2D to distribute the communication resource.
7. one kind be used for assistant base station determine equipment to equipment (D2D, Device to Device) to the communication resource method,
Wherein, the base station corresponds at least one cellular subscriber device, wherein, it the described method comprises the following steps：
- the first relevant information of the D2D links between D2D pairs is sent to the base station, wherein, first relevant information
Including：
- it is described D2D pairs between D2D links the first fading information；
First dry information of making an uproar of the receiving terminal of-D2D centerings；
So that the base station judges the D2D to whether meeting predetermined condition, and when the D2D is to meeting the predetermined condition
When, selection treats the communication resource distribution of optional equipment to described D2D pairs, so that it carries out D2D communications.
8. one kind determine equipment to equipment (D2D, Device to Device) to the communication resource base station, the base station is corresponding
At least one cellular subscriber device, wherein, the base station includes following device, with least one cellular subscriber device
In one treat that optional equipment performs operation：
First acquisition device, treat that optional equipment is corresponding to the first corresponding relevant information, with described with the D2D for obtaining
Second relevant information and third phase corresponding with the base station close information；
Judgment means, for closing information based on first relevant information, second relevant information and the third phase, and
With reference to the first Signal to Interference plus Noise Ratio threshold value corresponding with described D2D pairs of receiving terminal, and the corresponding with the base station second letter
It is dry to make an uproar than threshold value, to judge the D2D to whether meeting predetermined condition；
First determining device, for when the D2D is to meeting the predetermined condition, the communication resource of optional equipment to be treated described in selection
Described D2D pairs is distributed to, so that it carries out D2D communications.
9. base station according to claim 8, wherein, the predetermined condition includes the first letter of described D2D pairs of receiving terminal
It is dry to make an uproar than meeting the first Signal to Interference plus Noise Ratio threshold value, and the second Signal to Interference plus Noise Ratio of the base station meets second Signal to Interference plus Noise Ratio
Threshold value, wherein, the base station also includes：
Second acquisition device, for obtaining second transmission power of the transmitting terminal relative to the base station；
Wherein, the judgment means include：
Second determining device, for based on the first relevant information and D2D transmission power informations obtained, determining described first
Signal to Interference plus Noise Ratio, and information and the D2D transmission power informations are closed based on second relevant information, third phase, it is determined that described
Second Signal to Interference plus Noise Ratio；
Sub- judgment means, for reference to the first Signal to Interference plus Noise Ratio threshold value and the second Signal to Interference plus Noise Ratio threshold value, described in judgement
Whether the first Signal to Interference plus Noise Ratio and second Signal to Interference plus Noise Ratio meet the predetermined condition.
10. base station according to claim 8 or claim 9, wherein, first relevant information includes：
- it is described D2D pairs between D2D links the first fading information；
First dry information of making an uproar of the receiving terminal of-D2D centerings；
Wherein, second relevant information includes：
- second fading information treated between optional equipment and the base station；
- first transmission power for treating optional equipment；
Wherein, the third phase closes information and included：
- the 3rd fading information between the base station and described D2D pairs of transmitting terminal；
Second dry information of the making an uproar of-base station.
11. base station according to claim 10, wherein, first fading information includes the transmitting terminal and the reception
The first channel fading between end, the 3rd channel that the 3rd fading information is included between the transmitting terminal and the base station decline
Fall, the described first dry information of making an uproar includes the first noise power and the first jamming power, and the described second dry information of making an uproar is made an uproar including second
Acoustical power and the second jamming power, wherein, the predetermined condition includes inequality as follows：
<mrow>
<msub>
<mi>h</mi>
<mrow>
<mi>C</mi>
<mi>D</mi>
</mrow>
</msub>
<mo>&le;</mo>
<mfrac>
<msub>
<mi>h</mi>
<mi>D</mi>
</msub>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>D</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
</mfrac>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<msub>
<mi>P</mi>
<mrow>
<mi>C</mi>
<mi>U</mi>
<mi>E</mi>
</mrow>
</msub>
<msub>
<mi>h</mi>
<mi>C</mi>
</msub>
</mrow>
<mrow>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>C</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<mrow>
<mo>(</mo>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mo>-</mo>
<mfrac>
<mrow>
<msub>
<mi>I</mi>
<mi>C</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>C</mi>
</mrow>
</msub>
</mrow>
<mrow>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
</mrow>
</mfrac>
<mo>)</mo>
</mrow>
<mo>;</mo>
</mrow>
Wherein, hCDDeclined for the second channel, hDFor first channel fading, γDthFor the first Signal to Interference plus Noise Ratio threshold
Value, PCUEFor first transmission power, hCDeclined for second channel；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDTo be described
First jamming power, N0DFor first noise power, ICFor second jamming power, N0CFor second noise power.
12. base station according to claim 10, wherein, first fading information includes the first via of the D2D links
Footpath distance and corresponding first path decline index；3rd fading information is included between the transmitting terminal and the base station
Second path distance and corresponding second path fading index, the described first dry information of making an uproar include the first noise power and first
Jamming power, the described second dry information of making an uproar include the second noise power and the second jamming power, wherein, the predetermined condition includes
Inequality as follows：
<mrow>
<msub>
<mi>d</mi>
<mrow>
<mi>C</mi>
<mi>D</mi>
</mrow>
</msub>
<mo>&GreaterEqual;</mo>
<msup>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<msub>
<mi>P</mi>
<mrow>
<mi>C</mi>
<mi>U</mi>
<mi>E</mi>
</mrow>
</msub>
<msub>
<mi>h</mi>
<mi>C</mi>
</msub>
</mrow>
<mrow>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>C</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<mrow>
<mo>(</mo>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mo>-</mo>
<mfrac>
<mrow>
<msub>
<mi>I</mi>
<mi>C</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>C</mi>
</mrow>
</msub>
</mrow>
<mrow>
<msub>
<mi>I</mi>
<mi>D</mi>
</msub>
<mo>+</mo>
<msub>
<mi>N</mi>
<mrow>
<mn>0</mn>
<mi>D</mi>
</mrow>
</msub>
</mrow>
</mfrac>
<mo>)</mo>
</mrow>
<mrow>
<mo>-</mo>
<mfrac>
<mn>1</mn>
<mi>&beta;</mi>
</mfrac>
</mrow>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msub>
<mi>&gamma;</mi>
<mrow>
<mi>D</mi>
<mi>t</mi>
<mi>h</mi>
</mrow>
</msub>
<msubsup>
<mi>d</mi>
<mi>D</mi>
<mi>&alpha;</mi>
</msubsup>
<mo>)</mo>
</mrow>
<mfrac>
<mn>1</mn>
<mi>&beta;</mi>
</mfrac>
</msup>
<mo>;</mo>
</mrow>
Wherein, dCDFor second path distance, β is the second path fading index, dDFor the first path distance, α
For first path decline index, γDthFor the first Signal to Interference plus Noise Ratio threshold value, PCUEFor first transmission power, hCFor
The second-channel attenuation；γCthFor the second Signal to Interference plus Noise Ratio threshold value, IDFor first jamming power, N0DFor described first
Noise power, ICFor second jamming power, N0CFor second noise power.
13. base station according to claim 8 or claim 9, wherein, the base station also includes：
Processing unit, for when the D2D is to being unsatisfactory for the predetermined condition, respective handling to be performed to the D2D；Wherein,
The respective handling includes following any：
- by selecting another cellular subscriber device conduct to treat optional equipment at least one cellular subscriber device；
- not in current time slots for D2D to distribute the communication resource.
14. a kind of assistant base station determine equipment to equipment (D2D, Device to Device) to the user of the communication resource set
Standby, the user equipment is contained in the D2D centerings, wherein, the base station corresponds at least one cellular subscriber device, wherein,
The user equipment of the D2D centerings includes：
Dispensing device, for sending the first relevant information of the D2D links between described D2D pairs to the base station, wherein, it is described
First relevant information includes：
- it is described D2D pairs between D2D links the first fading information；
First dry information of making an uproar of the receiving terminal of-D2D centerings；
So that the base station judges the D2D to whether meeting predetermined condition, and when the D2D is to meeting the predetermined condition
When, selection treats the communication resource distribution of optional equipment to described D2D pairs, so that it carries out D2D communications.
15. a kind of communication system, wherein, the communication system includes the base station as any one of claim 8 to 13, with
At least one cellular subscriber device corresponding to the base station, and at least one D2D pairs, the D2D is to including such as claim
D2D pairs of user equipment described in 14.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173606.0A CN104144507B (en) | 2013-05-10 | 2013-05-10 | A kind of methods, devices and systems for the communication resource for determining D2D pairs |
| TW103115541A TW201509223A (en) | 2013-05-10 | 2014-04-30 | Methods, apparatuses, and system for determining communication resources for a D2D pair |
| PCT/IB2014/000947 WO2014181175A1 (en) | 2013-05-10 | 2014-05-05 | Methods, apparatuses, and system for determining communication resources for a d2d pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310173606.0A CN104144507B (en) | 2013-05-10 | 2013-05-10 | A kind of methods, devices and systems for the communication resource for determining D2D pairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104144507A CN104144507A (en) | 2014-11-12 |
| CN104144507B true CN104144507B (en) | 2018-03-23 |
Family
ID=51211266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310173606.0A Active CN104144507B (en) | 2013-05-10 | 2013-05-10 | A kind of methods, devices and systems for the communication resource for determining D2D pairs |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104144507B (en) |
| TW (1) | TW201509223A (en) |
| WO (1) | WO2014181175A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737993B (en) * | 2017-04-22 | 2021-03-30 | 华为技术有限公司 | Device-to-device D2D communication method and related device |
| WO2019061161A1 (en) | 2017-09-28 | 2019-04-04 | Oppo广东移动通信有限公司 | Resource allocation method, network device and communication device |
| CN108768484B (en) * | 2018-06-05 | 2021-02-09 | 金陵科技学院 | D2D pair access method based on beam forming and channel parallelism threshold value |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902822A (en) * | 2010-07-22 | 2010-12-01 | 北京交通大学 | Base station-assisted mobile terminal equipment autonomously accessing method and device |
| CN102883451A (en) * | 2012-10-12 | 2013-01-16 | 南京邮电大学 | Cross layer design method of up resources of shared system by terminal direction connection technology |
| CN103024914A (en) * | 2012-12-27 | 2013-04-03 | 南京邮电大学 | Cross-layer design method for downlink resources in D2D (device-to-device) technology sharing system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9072060B2 (en) * | 2008-06-03 | 2015-06-30 | Nokia Technologies Oy | Method, apparatus and computer program for power control to mitigate interference |
| US8554200B2 (en) * | 2008-09-12 | 2013-10-08 | Nokia Corporation | Method and apparatus for providing interference measurements for device to-device communication |
| WO2013028044A2 (en) * | 2011-08-25 | 2013-02-28 | 엘지전자 주식회사 | Method of performing direct communication between terminals, method of supporting same, and apparatus for same |
-
2013
- 2013-05-10 CN CN201310173606.0A patent/CN104144507B/en active Active
-
2014
- 2014-04-30 TW TW103115541A patent/TW201509223A/en unknown
- 2014-05-05 WO PCT/IB2014/000947 patent/WO2014181175A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902822A (en) * | 2010-07-22 | 2010-12-01 | 北京交通大学 | Base station-assisted mobile terminal equipment autonomously accessing method and device |
| CN102883451A (en) * | 2012-10-12 | 2013-01-16 | 南京邮电大学 | Cross layer design method of up resources of shared system by terminal direction connection technology |
| CN103024914A (en) * | 2012-12-27 | 2013-04-03 | 南京邮电大学 | Cross-layer design method for downlink resources in D2D (device-to-device) technology sharing system |
Non-Patent Citations (1)
| Title |
|---|
| Mode selection for Device-to-Device;Klaus Doppler;《WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE》;20100418;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014181175A1 (en) | 2014-11-13 |
| CN104144507A (en) | 2014-11-12 |
| TW201509223A (en) | 2015-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10499390B2 (en) | Base station, user equipment, transmission control method for base station and data transmission method for user equipment | |
| US11357015B2 (en) | Sidelink signal measurement and resource selection in vehicle-to-everything communications | |
| US10098137B2 (en) | Unlicensed frequency band with licensed frequency band timing | |
| JP4550903B2 (en) | Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system | |
| TWI305993B (en) | Time division duplex method for determining whether to initiate handover criteria | |
| RU2006143658A (en) | TERMINAL COMMUNICATION DEVICE, BASE STATION DEVICE AND RADIO COMMUNICATION SYSTEM | |
| US10154479B2 (en) | User terminal, base station and radio communication method | |
| CN106797620A (en) | For the signal quality measured of device-to-device communication | |
| EP1895678A3 (en) | Method for inter-cell interference mitigation for a mobile communication system | |
| US20140177483A1 (en) | Reducing interference in a wireless network | |
| CN107005829B (en) | D2D finding | |
| CN105794245B (en) | For handling base station, device and the method therein of interference | |
| EP2712228B1 (en) | Method, equipment and system for coordinated multi-point transmission/reception | |
| US10172174B2 (en) | Selection between cellular communication link and device-to-device (D2D) communication link using reference signals | |
| CN106851712A (en) | A kind of method of Message Processing, base station and terminal | |
| CN104144507B (en) | A kind of methods, devices and systems for the communication resource for determining D2D pairs | |
| US10477435B2 (en) | Resource allocation method and apparatus | |
| CN107925996A (en) | Measurement result report method, the method, apparatus of timer count and user equipment | |
| US20220022050A1 (en) | Selective transmission and/or detection of identification signals by a wireless access node in unlicensed spectrum | |
| EP3141050B1 (en) | Maximum pathloss measurement for broadcast communication | |
| US7317915B2 (en) | Method and apparatus for testing a radio network | |
| CN105898793A (en) | Method and device for avoiding interference of hidden node in communication network | |
| CN105813217B (en) | The quick sub-clustering dispatching method of co-channel full duplex user simultaneously | |
| US20190342064A1 (en) | Full duplex transmission system | |
| CN101860886B (en) | Wireless communication system, interference control method and base station thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 388, ningqiao Road, Pudong New Area free trade test area, Shanghai City, Shanghai Applicant after: Shanghai NOKIA Baer Limited by Share Ltd Address before: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 388 Applicant before: Shanghai Alcatel-Lucent Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |