CN105101250B - A method of the influence for reducing D2D with interior interference to cellular transmission - Google Patents
A method of the influence for reducing D2D with interior interference to cellular transmission Download PDFInfo
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- CN105101250B CN105101250B CN201410192499.0A CN201410192499A CN105101250B CN 105101250 B CN105101250 B CN 105101250B CN 201410192499 A CN201410192499 A CN 201410192499A CN 105101250 B CN105101250 B CN 105101250B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The present invention relates to a kind of methods of the influence for reducing D2D with interior interference to cellular transmission in base station in a wireless communication system, this method include base station configure D2D resource pools to include first area and second area resource pool, first area is the restricted resource-areas D2D and the resource-areas D2D that second area is untethered system.In addition, the associated first position status information of user equipment is determined at according to the signal quality of the signal received by the base station communicated with the invention further relates to, for reducing methods of the D2D with interior influence of the interference to cellular transmission, this method includes user equipment in a kind of user equipment in a wireless communication system；And user equipment carries out corresponding D2D resource selections according to first position status information.Method according to the present invention is specifically configured to first area and second area, and the interference so as to be effectively reduced D2D communications to cellular transmission is grouped to user equipment by carrying out subregion to D2D resource pools.
Description
Technical field
The present invention relates to wireless communication fields, more particularly, to a kind of base station and user in a wireless communication system
The method of influence in equipment for reducing D2D with interior interference to cellular transmission.
Background technology
Have determined that D2D signals will occupy the ascending honeycomb resource of part and (be used in the research of LTE D2D
The up-link carrier of FDD and sub-frame of uplink for TDD), it is such as directed to the situation of FDD in fig. 2.In practice, D2D signals will account for
According to some periodic sub-frame of uplink, wherein in order to support normal downlink cellular transmission, be still necessary to transmission uplink
Road cellular control signal (i.e. PUCCH).That is, in D2D subframes, honeycomb PUCCH signals must pass through with D2D signals
FDM is multiplexed, as its in fig. 2 shown by as.On the other hand, such as existed according to the modeling with interior radiation interference
" 3GPPTR38.843V12.0.1, " Study on LTE Device to Device Proximity Services-radio
As described in aspects ", honeycomb PUCCH signals subject the interior interference of band from D2D signals.It is shown in FIG. 1
One example with interior radiation interference model.
Because uplink PUCCH signals (i.e. ACK/NACK, CQI feedback etc. depend on the format of PUCCH) are under support
It is played a key role in uplink data transmission, so the interior radiation of the band for cellular control signal from D2D signals is dry
Disturbing must solve.Present invention seek to address that the technical problem.
Fig. 1 is shown based in " 3GPP TR38.843V12.0.1, " Study on LTE Device to Device
One example of the interior interference of band of modeling method described in Proximity Services-radio aspects ", wherein ginseng
Number is updated to { W, X, Y, Z }={ 3,6,3,3 }.
In RAN1 (before RAN1-77) meeting before, the interior radiation interference pair of band of D2D signals is widely discussed
In the influence of cellular signal.According to program, which will be the important view for the RAN1-77 meetings that will be held
Topic.
Until nowadays, the existing best solution about the technical problem is to use work(by being directed to D2D signals
Rate control, the program submitted before the present inventor application No. is 201410041266.0 Chinese patents
It is proposed in " a method of to transimission power implement control ".
It is controlled well in that patent for the interior radiation interference of the band of uplink cell signal.But there is also
Some disadvantages.Most important disadvantage is that D2D signal transmission powers are for different D2D users due to the use of power control
(from base station eNB more it is close then used in D2D signal transmission powers it is smaller) for and it is different, so D2D transmission ranges are not yet
Equally.This is not ideal attribute for D2D transmission.
Invention content
According to it is above-mentioned to background technology and understanding, the first aspect of the present invention proposes one kind
The method of influence in base station in a wireless communication system for reducing D2D with interior interference to cellular transmission, the method packet
Include following steps：
The base station configure D2D resource pools to include first area and second area resource pool, wherein described
One region is the restricted resource-areas D2D and the resource-areas D2D that the second area is untethered system.
D2D resource pools innovatively are configured to include first area and second area by the present inventor using base station
Resource pool, wherein the first area is the restricted resource-areas D2D and the D2D that the second area is untethered system
Resource-area.With such configuration can by D2D resource pools carry out subregion, so as to for different user device configurations itself or by
It automatically selects different resource areas to be used, and then can advantageously reduce D2D with interior interference to cellular transmission
It influences.
In one embodiment according to the present invention, the resource block quantity of the first area is less than the second area
Resource block quantity or the number of sub frames of the first area are less than the number of sub frames of the second area.
The size of the first area and second area can be configured in this way so as to meet different answer
It is normal logical to be unlikely to influence while reducing D2D with the interior influence interfered to cellular transmission with the needs of scene
Letter demand.
In one embodiment according to the present invention, the method further includes：
D2D user equipmenies are divided at least two groupings according to pre-defined rule, at least two grouping includes first point
Group and second packet；And
First grouping is configured as the resource being only capable of in the restricted resource-areas D2D by first area and is used for D2D
Communication, and the second packet is configured to the resource in the resource-areas D2D using the untethered system of second area and is used for
D2D is communicated or is communicated for D2D using the resource in first area and second area.
In such form of implementation, user equipment is grouped by base station, such embodiment is only
It is illustrative, and not restrictive.Those skilled in the art is it is to be appreciated that such grouping also can be by user equipment certainly
Row determines which grouping it belongs to, and can also be divided into more than two grouping to accurately be controlled certainly.Divided
After group, D2D is reduced with interior interference to cellular transmission to optimize using different resource pool subregions by configuring different groupings
Influence.
In one embodiment according to the present invention, the second packet be configured to using second area it is non-by
Resource in the resource-areas D2D of limitation is communicated for D2D.Configuration in this way makes second packet be configured to use
Resource in the resource-areas D2D of the untethered system of second area is communicated for D2D, and the D2D of second packet just can be made to use in this way
Influence of the family equipment to the reception of PUCCH, that is, Physical Uplink Control Channel of corresponding base station minimizes.
In one embodiment according to the present invention, the pre-defined rule includes：
The base station sets user connected to it according to the signal strength of user equipment connected to it to the base station
Back-up is at least two groupings；Or
The base station is set user connected to it by the annoyance level of user equipment connected to it according to the base station
Back-up is at least two groupings.
Those skilled in the art it is to be appreciated that more than two ways be only exemplary and not restrictive,
His suitable packet mode is also feasible.As long as the deformation for meeting the embodiment of the present invention of the central scope of the present invention all will
It falls under the scope of the present invention.
In one embodiment according to the present invention, described first is grouped into that receive the signal strength of the base station be more than the
The set and the second packet of the user equipment of one thresholding are to receive the signal strength of the base station no more than described first
The set of the user equipment of thresholding.
Advantageously and rapidly corresponding user equipment can be grouped in this way.
In addition, the second aspect of the present invention also proposed in a kind of user equipment in a wireless communication system for reducing
The method of influences of the D2D with interior interference to cellular transmission, described method includes following steps：
The user equipment is determined at the use according to the signal quality of the signal received by the base station communicated with
The associated first position status information of family equipment；
The user equipment carries out corresponding D2D resource selections according to the first position status information.
In the solution that the second aspect of the present invention is proposed, user equipment is according to the signal of received signal
Quality is determined at the associated first position status information of the user equipment, and then user equipment is according to the first position shape
State information carries out corresponding D2D resource selections.So just can by user equipment according to first position status information come to D2D resources
Orderly selection is carried out, rather than D2D resource selections is not controlled as the prior art and is only disorderly selected.
In one embodiment according to the present invention, the user equipment also matches confidence from base station reception resource pool
Breath, wherein the configuration information of the resource pool includes the resource allocation information of instruction first area and second area, wherein institute
State the resource-areas D2D that first area is the restricted resource-areas D2D and the second area is untethered system.
User equipment just can learn corresponding base station is how to make distribution, root to D2D resource pools in this way
According to the method for salary distribution, user equipment according to the present invention correspondingly to D2D resources can select and then reduce D2D with interior dry
Disturb the influence to cellular transmission.
In one embodiment according to the present invention, the first position status information have include at least first state and
The location status of second state indicates information, wherein the first state indicate the user equipment be located at center of housing estate and
User equipment described in second state instruction is located at cell edge.A kind of packet mode is shown in this way, so as to
Subsequently D2D resources are selected.
In one embodiment according to the present invention, it is located at the user equipment of center of housing estate and the user for being located at cell edge
Equipment using identical transmission power or positioned at center of housing estate user equipment transmission power than the use positioned at cell edge
The transmission power of family equipment is small.
Those skilled in the art it is to be appreciated that positioned at center of housing estate the transmission power that uses of user equipment be located at it is small
The transmission power that the user equipment of area edge uses can it is identical also can be different.Certainly, identical transmission power can ensure
D2D user equipmenies have basically the same coverage area when carrying out neighbours' discovery, and neighbours are had found to be advantageous.But
It is the transmission power that the transmission power used positioned at the user equipment of center of housing estate is used with the user equipment positioned at cell edge
Certainly it can also be different, such as the transmission power of the user equipment positioned at center of housing estate is set than the user positioned at cell edge
Standby transmission power is small, just can further decrease the user equipment positioned at center of housing estate in this way for cellular transmission
It influences.
In one embodiment according to the present invention, when the user equipment is located at center of housing estate, the user equipment
The resource being only capable of in the restricted resource-areas D2D using first area is configured as to communicate for D2D；When the user equipment
When positioned at cell edge, the user equipment is configured in the resource-areas D2D using the untethered system of second area
Resource is communicated for D2D or is communicated for D2D using the resource in first area and second area.In such form of implementation
In, user equipment is grouped by user equipment itself, such embodiment is only exemplary, and unrestricted
Property.Those skilled in the art it is to be appreciated that can also be divided into more than two grouping certainly in order to accurately be controlled.
After being grouped, D2D is reduced with interior interference to bee to optimize using different resource pool subregions by configuring different groupings
The influence of nest transmission.
In one embodiment according to the present invention, when the user equipment is located at cell edge, the user equipment
It is configured only use the resource in the resource-areas D2D of the untethered system of second area to be communicated for D2D.Matching in this way
It sets so that the resource that second packet is configured in the resource-areas D2D using the untethered system of second area is led to for D2D
Letter just can make the D2D user equipmenies of second packet connecing to the i.e. Physical Uplink Control Channel of PUCCH of corresponding base station in this way
The influence of receipts minimizes.
In one embodiment according to the present invention, when the user equipment is located at cell edge and the user equipment
It is configured to use the resource and untethered system in the restricted resource-areas D2D in first area and second area
When resource in the resource-areas D2D is communicated for D2D, the user equipment is restricted with the first probability selection first area
Resource in the resource-areas D2D is communicated for D2D and in the resource-areas D2D of the untethered system of the second probability selection second area
Resource for D2D communicate.In one embodiment according to the present invention, first probability is less than second probability.
In one embodiment according to the present invention, first probability is associated with the resource quantity of the first area and described
Two probability are associated with the resource quantity of the second area.
D2D resource pools innovatively are configured to include first area and second area by the present inventor using base station
Resource pool, wherein the first area is the restricted resource-areas D2D and the D2D that the second area is untethered system
Resource-area.With such configuration can by D2D resource pools carry out subregion, so as to for different user device configurations itself or by
It automatically selects different resource areas to be used, and then can advantageously reduce D2D with interior interference to cellular transmission
It influences.
Description of the drawings
The following detailed description to non-limiting embodiment, other spies of the invention are read by referring to accompanying drawing
Sign, objects and advantages will become more apparent upon.
Fig. 1 shows the schematic diagram 100 in the prior art that interference is generated due to signal power leakage；
Fig. 2 shows a kind of schematic diagrames 200 of configuration of D2D resource pools in the prior art；
Fig. 3 shows the schematic diagram 300 of the configuration of D2D resource pools according to the present invention；
Fig. 4 shows the schematic diagram 400 of a specific embodiment of the configuration of D2D resource pools according to the present invention；
Fig. 5 is shown in the base station in a wireless communication system described according to the present invention for reducing D2D with interior interference
The flow chart 500 of the method for influence to cellular transmission；And
Fig. 6 is shown in the user equipment in a wireless communication system described according to the present invention for reducing in D2D bands
Interfere the flow chart 600 of the method for the influence to cellular transmission.
Run through different diagrams in the figure, same or similar reference numeral indicates same or analogous device (module)
Or step.
Specific implementation mode
It, will be with reference to the appended attached drawing for constituting a present invention part in the specific descriptions of following preferred embodiment.Institute
Attached attached drawing, which has been illustrated by way of example, can realize specific embodiment.Exemplary embodiment is not intended to
Limit all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, other can be utilized
Embodiment can also carry out structural or logicality modification.Therefore, it is below specific descriptions and it is unrestricted, and this
The range of invention is defined by the claims appended hereto.
Fig. 1 shows the schematic diagram 100 in the prior art that interference is generated due to signal power leakage.It can from Fig. 1
To find out, when being transmitted for useful signal 1, the carrier leak being identified with 2 can occur, and then influence other honeycombs
The progress of communication.And on the other hand, Fig. 2 shows a kind of schematic diagrames 200 of configuration of D2D resource pools in the prior art.From
The PUCCH that Fig. 2 can be seen that cellular network must be passed as a kind of signal of interest of control channel in ascending resource
Defeated, so, then the PUCCH of Cellular Networks must carry out frequency division multiplexing with the uplink frame of D2D, due to the load gone out as shown in Figure 1
The presence of wave leakage, so such configuration will necessarily bring uncontrollable interference of reception for PUCCH.
In order to reduce such interference, the present invention proposes a solution, is intended to largely solve D2D letters
Number for the interior interference of the band of cellular signal.The central scope of the present invention is as described below：
If D2D transmission is using constant (and relatively large such as 23dBm) transimission power, base station eNB will
Interference in multiple bands is born in decoding uplink signal (such as PUCCH), as previously described.If further considered from D2D
More details that signal is received to PUCCH, then overwhelming majority interference that can be in such interference be these from base station eNB compared with
Close D2D user equipment (UE)s.The present inventor therefrom takes a hint, special to be arranged in configured D2D subframes
Region (real-time) so that the D2D user of center of housing estate can only take up the resource in the special area, at the same time
Other D2D users can then occupy any resource in configured resource pool, or alternatively, and other D2D users are excellent
Selection of land occupies the resource except special area, conflicts with the D2D user equipment (UE)s of center of housing estate to reduce.Here, special
Resource area is referred to as the restricted resource-areas D2D.Fig. 3 shows the schematic diagram of the configuration of D2D resource pools according to the present invention
300.The configuration is shown in figure 3.From figure 3, it can be seen that the present inventor is innovatively provided D2D using base station
Source pond be configured to include first area and second area resource pool, wherein first area be the restricted resource-areas D2D and
Second area is the resource-areas D2D of untethered system.Can D2D resource pools be subjected to subregion with such configuration, to be directed to not
With user device configuration itself or automatically select different resource areas to be used by it, and then can advantageously reduce
Influences of the D2D with interior interference to cellular transmission.
Fig. 3 is only schematically, and the specific size in each region to be not configured, Fig. 4 shows D2D according to the present invention
The schematic diagram 400 of one specific embodiment of the configuration of resource pool.It is assumed that D2D resource pools are configured to a week by base station eNB
The continuous uplink subframe of phase property, with following size, i.e., comprising 44 PRB and in the time domain comprising 32 on frequency domain
A subframe, as shown in Figure 4.It should be known to those skilled in the art that these parameter values are only exemplary and not restrictive
's.Under resource distribution as illustrated in FIG. 4, in order to solve to be interfered in the possible band that D2D signals receive PUCCH,
The present invention proposes one restricted region of configuration in D2D resource pools.The size in the restricted region should be very
It is limited, as going out as shown by way of example in figure 4.
Next by by means of Fig. 5 and Fig. 6 describe respectively under resource pool distribution condition illustrated in fig. 3 in nothing
The flow of the method for influence in base station and user equipment in line communication system for reducing D2D with interior interference to cellular transmission
Figure 50 0 and 600.
Fig. 5 is shown in the base station in a wireless communication system described according to the present invention for reducing D2D with interior interference
The flow chart 500 of the method for influence to cellular transmission.It is at least included the following steps according to method illustrated in fig. 5：I.e. in side
Among method step 510, the base station configure D2D resource pools to include first area and second area resource pool, wherein first
Region is the restricted resource-areas D2D and the resource-areas D2D that second area is untethered system.
Preferably, in one embodiment according to the present invention, the resource block quantity of first area is less than second area
Resource block quantity or the number of sub frames of first area are less than the number of sub frames of second area.
The size of first area and second area can be configured in this way so as to meet different applied fields
The needs of scape need to be unlikely to influence normal communication while reducing D2D with the interior influence interfered to cellular transmission
It asks.
Preferably, in one embodiment according to the present invention, this method further comprises：
D2D user equipmenies are divided at least two groupings according to pre-defined rule, at least two groupings include the first grouping with
Second packet；And
The resource that-the first grouping is configured as being only capable of in the restricted resource-areas D2D by first area is led to for D2D
Letter, and second packet is configured to the resource in the resource-areas D2D using the untethered system of second area and is communicated for D2D
Or it is communicated for D2D using the resource in first area and second area.
Preferably, in such form of implementation, user equipment is grouped by base station, such embodiment
It is only exemplary, and not restrictive.Those skilled in the art is it is to be appreciated that such grouping can also pass through user
Equipment decides which grouping it belongs in its sole discretion, can also be divided into more than two grouping to accurately be controlled certainly.
After being grouped, D2D is reduced with interior interference to bee to optimize using different resource pool subregions by configuring different groupings
The influence of nest transmission.
Preferably, in one embodiment according to the present invention, second packet is configured to using second area
Resource in the resource-areas D2D of untethered system is communicated for D2D.Configuration in this way makes second packet be configured to
It is communicated for D2D using the resource in the resource-areas D2D of the untethered system of second area, just can make second packet in this way
Influence of the D2D user equipmenies to the reception of PUCCH, that is, Physical Uplink Control Channel of corresponding base station minimizes.
Preferably, in one embodiment according to the present invention, pre-defined rule includes：
Base station according to the signal strength of user equipment connected to it to base station by user equipment connected to it be divided into
Few two groupings；Or
Base station according to base station by user equipment connected to it annoyance level by user equipment connected to it be divided into
Few two groupings.
Those skilled in the art it is to be appreciated that more than two ways be only exemplary and not restrictive,
His suitable packet mode is also feasible.As long as the deformation for meeting the embodiment of the present invention of the central scope of the present invention all will
It falls under the scope of the present invention.
Preferably, in one embodiment according to the present invention, first is grouped into that receive the signal strength of base station be more than the
The set and second packet of the user equipment of one thresholding are that the signal strength of reception base station is set no more than the user of the first thresholding
Standby set.Advantageously and rapidly corresponding user equipment can be grouped in this way.
Fig. 6 is shown in user equipment in a wireless communication system according to the present invention for reducing D2D with interior interference
The flow chart 600 of the method for influence to cellular transmission.From fig. 6, it can be seen that method according to the present invention is at least with following
Two steps, i.e., in method and step 610, user equipment is according to the signal matter of the signal received by the base station communicated with
Amount is determined at the associated first position status information of user equipment；Then, in method and step 620, user equipment is according to
One location status information carries out corresponding D2D resource selections.
In solution illustrated in fig. 6 according to the present invention, user equipment is according to the signal of received signal
Quality is determined at the associated first position status information of user equipment, then user equipment according to first position status information into
The corresponding D2D resource selections of row.Just D2D resources can be carried out orderly according to first position status information by user equipment in this way
Selection, rather than D2D resource selections are not controlled as the prior art and are only disorderly selected.
Preferably, in one embodiment according to the present invention, user equipment also matches confidence from base station reception resource pool
Breath, wherein the configuration information of resource pool includes the resource allocation information of instruction first area and second area, wherein the firstth area
Domain is the restricted resource-areas D2D and the resource-areas D2D that second area is untethered system.
User equipment just can learn corresponding base station is how to make distribution, root to D2D resource pools in this way
According to the method for salary distribution, user equipment according to the present invention correspondingly to D2D resources can select and then reduce D2D with interior dry
Disturb the influence to cellular transmission.
Preferably, in one embodiment according to the present invention, first position status information, which has, includes at least the first shape
The location status of state and the second state indicates information, wherein first state instruction user equipment is located at center of housing estate and second
State instruction user equipment is located at cell edge.A kind of packet mode is shown in this way, so as to subsequently to D2D resources
It is selected.
Preferably, in one embodiment according to the present invention, it is located at the user equipment of center of housing estate and is located at cell side
The user equipment of edge is located at cell using the transmission power ratio of identical transmission power or the user equipment positioned at center of housing estate
The transmission power of the user equipment at edge is small.
Those skilled in the art it is to be appreciated that positioned at center of housing estate the transmission power that uses of user equipment be located at it is small
The transmission power that the user equipment of area edge uses can it is identical also can be different.Certainly, identical transmission power can ensure
D2D user equipmenies have basically the same coverage area when carrying out neighbours' discovery, and neighbours are had found to be advantageous.But
It is the transmission power that the transmission power used positioned at the user equipment of center of housing estate is used with the user equipment positioned at cell edge
Certainly it can also be different, such as the transmission power of the user equipment positioned at center of housing estate is set than the user positioned at cell edge
Standby transmission power is small, just can further decrease the user equipment positioned at center of housing estate in this way for cellular transmission
It influences.
Preferably, in one embodiment according to the present invention, when user equipment is located at center of housing estate, user equipment quilt
The resource being only capable of in the restricted resource-areas D2D using first area is configured to communicate for D2D；When user equipment is positioned at small
When area edge, user equipment is configured to the resource in the resource-areas D2D using the untethered system of second area and is used for D2D
Communication is communicated using the resource in first area and second area for D2D.In such form of implementation, pass through user
User equipment is grouped itself by equipment, and such embodiment is only exemplary, and not restrictive.This field
Technical staff it is to be appreciated that in order to be accurately controlled certainly can also be divided into more than two grouping.It is being grouped it
Afterwards, optimize the shadow for reducing D2D with interior interference to cellular transmission by configuring different groupings using different resource pool subregions
It rings.
Preferably, in one embodiment according to the present invention, when user equipment is located at cell edge, user equipment quilt
Configuration can only use the resource in the resource-areas D2D of the untethered system of second area to be communicated for D2D.Configuration in this way
So that second packet is configured to the resource in the resource-areas D2D using the untethered system of second area and is communicated for D2D,
The D2D user equipmenies of second packet just can be made to the PUCCH i.e. reception of Physical Uplink Control Channel of corresponding base station in this way
Influence minimize.
Preferably, in one embodiment according to the present invention, when user equipment is located at cell edge and user equipment
It is configured to use the resource and untethered system in the restricted resource-areas D2D in first area and second area
When resource in the resource-areas D2D is communicated for D2D, user equipment is provided with the restricted D2D of the first probability selection first area
Resource in source region is communicated for D2D and with the money in the resource-areas D2D of the untethered system of the second probability selection second area
Source is communicated for D2D.In one embodiment according to the present invention, the first probability is less than the second probability.According to the present invention
In one embodiment, the first probability is associated with the resource quantity of first area and the number of resources of the second probability and second area
Amount is associated.
D2D resource pools innovatively are configured to include first area and second area by the present inventor using base station
Resource pool, wherein first area is the restricted resource-areas D2D and the resource-areas D2D that second area is untethered system.With
Such configuration can by D2D resource pools carry out subregion, so as to for different user device configurations itself or by it automatically
It selects different resource areas to be used, and then can advantageously reduce influences of the D2D with interior interference to cellular transmission.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, 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
How from the point of view of, the present embodiments are to be considered as illustrative and not restrictive.In addition, it will be evident that one word of " comprising " not
Exclude other elements and step, and wording "one" be not excluded for plural number.The multiple element stated in device claim also may be used
To be realized by an element.The first, the second equal words are used to indicate names, and are not represented any particular order.
Claims (10)
1. a kind of method of the influence in base station in a wireless communication system for reducing D2D with interior interference to cellular transmission,
Described method includes following steps：
The base station configure D2D resource pools to include first area and second area resource pool, wherein firstth area
Domain is the restricted resource-areas D2D and the resource-areas D2D that the second area is untethered system；
D2D user equipmenies are divided at least two groupings according to pre-defined rule, at least two grouping include the first grouping with
Second packet；And
The resource that first grouping is configured as being only capable of in the restricted resource-areas D2D by first area is led to for D2D
Letter, and the second packet is configured to the resource in the resource-areas D2D using the untethered system of second area and is used for D2D
Communication is communicated using the resource in first area and second area for D2D.
2. according to the method described in claim 1, wherein, the resource block quantity of the first area is less than the second area
Resource block quantity or the number of sub frames of the first area are less than the number of sub frames of the second area.
3. according to the method described in claim 1, wherein, the pre-defined rule includes：
User equipment connected to it is divided according to the signal strength of user equipment connected to it to the base station in the base station
For at least two groupings；Or
User equipment connected to it is divided by the annoyance level of user equipment connected to it according to the base station in the base station
For at least two groupings.
4. according to the method described in claim 1, wherein, described first is grouped into that receive the signal strength of the base station be more than the
The set and the second packet of the user equipment of one thresholding are to receive the signal strength of the base station no more than described first
The set of the user equipment of thresholding.
5. a kind of side of the influence in user equipment in a wireless communication system for reducing D2D with interior interference to cellular transmission
Method, described method includes following steps：
The user equipment is determined at the user according to the signal quality of the signal received by the base station communicated with and sets
Standby associated first position status information；
The user equipment carries out corresponding D2D resource selections according to the first position status information,
Wherein, the user equipment also receives the configuration information of resource pool from the base station, wherein the resource pool matches confidence
Breath includes the resource allocation information of instruction first area and second area, wherein the first area is restricted D2D resources
Area and the resource-areas D2D that the second area is untethered system,
Wherein, when the user equipment is located at center of housing estate, the user equipment is configured as being only capable of using first area
Resource in the restricted resource-areas D2D is communicated for D2D；When the user equipment is located at cell edge, the user sets
The standby resource being configured in the resource-areas D2D using the untethered system of second area communicates for D2D or uses the
Resource in one region and second area is communicated for D2D.
6. according to the method described in claim 5, wherein, the first position status information have include at least first state and
The location status of second state indicates information, wherein the first state indicates that the user equipment is located at the center of housing estate
And user equipment described in second state instruction is located at the cell edge.
7. according to the method described in claim 6, wherein, being located at the user equipment of the center of housing estate and being located at the cell side
The user equipment of edge is located at cell using the transmission power ratio of identical transmission power or the user equipment positioned at center of housing estate
The transmission power of the user equipment at edge is small.
8. according to the method described in claim 5, wherein, when the user equipment is located at the cell edge and the user
Equipment is configured that the resource in the restricted resource-areas D2D in first area and second area and untethered system can be used
The resource-areas D2D in resource for D2D communicate when, the user equipment is restricted with the first probability selection first area
Resource in the resource-areas D2D is communicated for D2D and in the resource-areas D2D of the untethered system of the second probability selection second area
Resource for D2D communicate.
9. according to the method described in claim 8, wherein, first probability is less than second probability.
10. according to the method described in claim 8, wherein, first probability is related to the resource quantity of the first area
Join and second probability is associated with the resource quantity of the second area.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192499.0A CN105101250B (en) | 2014-05-08 | 2014-05-08 | A method of the influence for reducing D2D with interior interference to cellular transmission |
| TW104112866A TWI594640B (en) | 2014-05-08 | 2015-04-22 | A method for reducing the impact of D2D in-band interference on cellular transmission |
| KR1020167034036A KR101914199B1 (en) | 2014-05-08 | 2015-05-07 | Method of reducing impact of d2d in-band interference on cellular transmission |
| EP15766229.7A EP3141066A1 (en) | 2014-05-08 | 2015-05-07 | Method of reducing impact of d2d in-band interference on cellular transmission |
| PCT/IB2015/000846 WO2015173632A1 (en) | 2014-05-08 | 2015-05-07 | Method of reducing impact of d2d in-band interference on cellular transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192499.0A CN105101250B (en) | 2014-05-08 | 2014-05-08 | A method of the influence for reducing D2D with interior interference to cellular transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105101250A CN105101250A (en) | 2015-11-25 |
| CN105101250B true CN105101250B (en) | 2018-08-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410192499.0A Active CN105101250B (en) | 2014-05-08 | 2014-05-08 | A method of the influence for reducing D2D with interior interference to cellular transmission |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3141066A1 (en) |
| KR (1) | KR101914199B1 (en) |
| CN (1) | CN105101250B (en) |
| TW (1) | TWI594640B (en) |
| WO (1) | WO2015173632A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017122949A1 (en) * | 2016-01-14 | 2017-07-20 | 엘지전자 주식회사 | Method for measuring and reporting d2d resource in wireless communication system, and apparatus therefor |
| BR112018069278A2 (en) | 2016-03-25 | 2019-01-22 | Panasonic Ip Corp America | vehicular mobile terminal for determining radio resources for communicating with at least the second mobile terminal in communication system, and radio base station for communication system to assist a vehicular mobile terminal in determining radio resources for communication with at least one second mobile terminal in communication system |
| CN109076360B (en) | 2016-03-31 | 2022-05-24 | 联想创新有限公司（香港) | Using location information to trigger a transmission |
| CN109792636A (en) * | 2016-09-30 | 2019-05-21 | 华为技术有限公司 | A kind of method and apparatus of control signal transmitting |
| CN107889267B (en) * | 2016-11-30 | 2019-08-23 | 电信科学技术研究院有限公司 | Uplink is based on the nonopiate method and apparatus for exempting from scheduling |
| CN110574469B (en) | 2017-02-23 | 2022-02-15 | 华为技术有限公司 | Network entity for flexibly managing radio resources of user equipment in a D2D communication network |
| US11153888B2 (en) * | 2017-03-24 | 2021-10-19 | Lg Electronics Inc. | Method for selecting carrier for direct communication between user equipments in multi-carrier communication system, and device therefor |
| WO2020231126A1 (en) * | 2019-05-10 | 2020-11-19 | 엘지전자 주식회사 | Determination of resource pool in nr v2x |
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| WO2009009401A1 (en) * | 2007-07-10 | 2009-01-15 | Qualcomm Incorporated | Methods and apparatus for selecting and/or using a communications band for peer to peer signaling |
| CN102792745A (en) * | 2009-12-11 | 2012-11-21 | 诺基亚公司 | Method, apparatus and computer program product for allocating resources in wireless communication network |
| WO2013120267A1 (en) * | 2012-02-17 | 2013-08-22 | Renesas Mobile Corporation | Control of device-to-device communication |
| WO2014050556A1 (en) * | 2012-09-26 | 2014-04-03 | 京セラ株式会社 | Mobile communication system |
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| JP5427139B2 (en) * | 2010-07-29 | 2014-02-26 | 株式会社日立製作所 | Base station and cellular radio communication system |
| US20120224546A1 (en) * | 2011-03-04 | 2012-09-06 | Electronics And Telecommunications Research Institute | Method and terminal for performing direct communication between terminals |
| US8812008B2 (en) * | 2011-03-28 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for assigning resources to schedule peer-to-peer communications in WWAN |
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2014
- 2014-05-08 CN CN201410192499.0A patent/CN105101250B/en active Active
-
2015
- 2015-04-22 TW TW104112866A patent/TWI594640B/en not_active IP Right Cessation
- 2015-05-07 EP EP15766229.7A patent/EP3141066A1/en not_active Withdrawn
- 2015-05-07 WO PCT/IB2015/000846 patent/WO2015173632A1/en active Application Filing
- 2015-05-07 KR KR1020167034036A patent/KR101914199B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009401A1 (en) * | 2007-07-10 | 2009-01-15 | Qualcomm Incorporated | Methods and apparatus for selecting and/or using a communications band for peer to peer signaling |
| CN102792745A (en) * | 2009-12-11 | 2012-11-21 | 诺基亚公司 | Method, apparatus and computer program product for allocating resources in wireless communication network |
| WO2013120267A1 (en) * | 2012-02-17 | 2013-08-22 | Renesas Mobile Corporation | Control of device-to-device communication |
| WO2014050556A1 (en) * | 2012-09-26 | 2014-04-03 | 京セラ株式会社 | Mobile communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101914199B1 (en) | 2018-11-06 |
| CN105101250A (en) | 2015-11-25 |
| EP3141066A1 (en) | 2017-03-15 |
| TWI594640B (en) | 2017-08-01 |
| KR20160149282A (en) | 2016-12-27 |
| WO2015173632A1 (en) | 2015-11-19 |
| TW201601556A (en) | 2016-01-01 |
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