CN106465201B - Method and apparatus for triggering the NAICS in wireless network - Google Patents
Method and apparatus for triggering the NAICS in wireless network Download PDFInfo
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- CN106465201B CN106465201B CN201480079894.6A CN201480079894A CN106465201B CN 106465201 B CN106465201 B CN 106465201B CN 201480079894 A CN201480079894 A CN 201480079894A CN 106465201 B CN106465201 B CN 106465201B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
Abstract
The present invention will provide a kind of appropriate scheme for being used to trigger activation or deactivated NAICS, to overcome defect in the prior art.According to another aspect of the present invention, a kind of method in the UE for triggering the wireless network of NAICS is provided, the method comprise the steps that-from the base station of the serving cell of UE the first NAICS information aggregate is received, it include the cell ID of neighboring community in interference NAICS cell list (INCL)；(one or more) NAICS cell in neighboring community is determined based on the first NAICS information aggregate；The cell ID of (one or more) NAICS cell is sent to base station to trigger activation NAICS.In another embodiment, the method in the UI further include:-detection operation is in the information with the reduction of the quality of the UE in the NAICS of NAICS cell；And-NAICS with NAICS cell is deactivated when the information that the quality for determining detected UE reduces meets predefined standard.Realize following advantages through the invention: 1) due to the appropriate scheme to trigger activation or deactivated NAICS, the dispatching flexibility of the interfered cell NAICS is enhanced；2) by the appropriate scheme to trigger activation or deactivated NAICS, while being related to the NAICS with the interfered cell NAICS, the system performance of wireless network is not affected substantially.
Description
Technical field
The present invention relates to the field of wireless network, in particular to a kind of for triggering the NAICS in wireless network, (network is auxiliary
Help Interference Cancellation and inhibition) technology.
Background technique
Network assistance Interference Cancellation and inhibition (NAICS) are currently the 12nd edition WI in 3GPP.The purpose of the WI is to provide
Information related with interference source, so that the information can be used to offset or inhibit interference, to improve downlink in UE
Throughput performance.
NAICS information will be comprising allowing UE demodulation of downlink interference signal at least to the parameter of symbol level.These ginsengs
Some in number are dynamic (such as modulation, PMI, orders), and due to postponing, the way signaled by X2 interface
It is more difficult and unrealistic.Therefore it is proposed in 3 gpp by the such multidate information of UE blind Detecting, that is, not yet in physics
Parameter those of is signaled in layer channel and signal.But some parameters have bigger numerical range, such as there are 10 kinds
Transfer mode and 504 virtual subdistrict ID, so that all possible combination of UE blind Detecting is highly complex.
In order to help UE to carry out blind Detecting, some subset limitations in about these parameters have been decided through consultation in 3 gpp.
But any restrictions about dynamic parameter will all reduce the flexibility of the scheduler of interfered cell, so as to influence systematicness
Energy.
Summary of the invention
The present invention will provide a kind of appropriate scheme for being used to trigger activation or deactivated NAICS, to overcome in the prior art
Defect.
According to an aspect of the present invention, the device in a kind of UE for triggering the wireless network of NAICS is provided, wherein
Described device includes:
The device that the first NAICS information aggregate is received for the base station of the serving cell from UE, in interference NAICS cell
It include the cell ID of neighboring community in list (INCL)；
For determining the dress of (one or more) NAICS cell in neighboring community based on the first NAICS information aggregate
It sets；
The cell ID of (one or more) NAICS cell determined by sending to base station is to trigger the dress of NAICS
It sets.
In another embodiment, described device further include:
For detecting operation in the device of the information with the reduction of the quality of the UE in the NAICS of NAICS cell；And
Information for reducing in the quality for determining detected UE deactivates and NAICS cell when meeting predefined standard
NAICS device.
According to another aspect of the present invention, the device in a kind of base station for triggering the wireless network of NAICS is provided,
Wherein described device includes:
For sending the device of the first NAICS information aggregate to (one or more) UE, in interference NAICS cell list
It (INCL) include the cell ID of neighboring community in；
For receiving the device of the cell ID of (one or more) NAICS cell from the UE of the first number；
For triggering (one or more) NAICS cell activation NAICS in the case where the first number is higher than five threshold values
The device of operation.
In another embodiment, described device further include:
For small with NAICS about deactivating with the UE of the second number of the NAICS of NAICS cell reception from having deactivated
The device of the notice of the NAICS in area；
Stop for triggering NAICS cell in the case where operating the number of the remaining UE in NAICS less than six threshold values
The device operated with NAICS.
According to another aspect of the present invention, a kind of method in the UE for triggering the wireless network of NAICS is provided,
Described in method include:
The first NAICS information aggregate is received from the base station of the serving cell of UE, in INCL (interference NAICS cell column
Table) in include neighboring community cell ID；
(one or more) NAICS cell in neighboring community is determined based on the first NAICS information aggregate；
The cell ID of (one or more) NAICS cell determined by sending to base station is to trigger NAICS.
In another embodiment, the method in the UI further include:
Detection operation is in the information with the reduction of the quality of the UE in the NAICS of NAICS cell；And
It is deactivated when the information that the quality for determining detected UE reduces meets predefined standard and NAICS cell
NAICS。
According to another aspect of the present invention, it provides a kind of for triggering in the base station for activating the wireless network of NAICS
Method, the method comprise the steps that
The first NAICS information aggregate is sent to (one or more) UE, in interference NAICS cell list (INCL)
Cell ID including neighboring community；
Wherein, the method also includes:
The cell ID of (one or more) NAICS cell is received from the UE of the first number；
Triggering (one or more) NAICS cell activation NAICS behaviour in the case where the first number is higher than five threshold values
Make.
According to another aspect of the present invention, it provides a kind of for triggering the UE of the wireless network of activation NAICS, wherein institute
Stating UE includes the device as recited in front.
According to another aspect of the present invention, provide it is a kind of for triggering the base station of the wireless network of NAICS, wherein described
Base station includes described device.
Following advantages is realized through the invention:
Due to the appropriate scheme to trigger activation or deactivated NAICS, the dispatching flexibility of the interfered cell NAICS is able to
Enhancing；
By the appropriate scheme to trigger activation or deactivated NAICS, it is being related to the NAICS's of the interfered cell NAICS
Meanwhile the system performance of wireless network is not affected substantially.
Detailed description of the invention
The elaborating about non-limiting embodiment made reference to by reading, other features of the invention,
Objects and advantages will become more apparent.
Fig. 1 shows the example scenario of wireless network；
Fig. 2 shows according to an embodiment of the invention for triggering the flow chart of the method for activation NAICS；
Fig. 3 shows the flow chart of the method for triggering deactivated NAICS according to a preferred embodiment of the present invention；
Fig. 4 shows according to an embodiment of the invention for triggering the schematic diagram of the system of activation NAICS；
Fig. 5 shows according to an embodiment of the invention for triggering the schematic diagram of the system of deactivated NAICS.
Same or similar appended drawing reference in attached drawing indicates same or similar component part.
Specific embodiment
It provides and is further described about of the invention below with reference to accompanying drawings.
Technical term definition:
For the sake of clarity, we such as give a definition some terms in context first:
" wireless network " means the telecommunication network for carrying out voice and/or data transmission by wireless signal, packet
Multiple base stations are included, each base station services the one or more cells that wherein there are one or more user equipments.Wireless network
It include but not limited to the wireless network based on GSM, CDMA, 3GPP (third generation partner program) agreement.
" base station " means the radio station with bi-directional transceiver, can be serviced by radio signal with it
Cell in UE carry out uplink and downlink communication, and can also directly or indirectly with other base station communications.Nothing
Gauze network includes but not limited to the base station in the wireless network based on gsm protocol, the section in the wireless network based on CDMA agreement
E-Node B (evolved node B) in point B and wireless network based on 3GPP agreement.
" user equipment " means the communication equipment used by user, can carry out with the base station in wireless network
Line link and downlink communication.User equipment includes but not limited to the mobile electricity with the telco module for wireless network
Words, laptop computer or tablet computer；
" serving cell " means the cell that UE is connected to；
" interfered cell " means the cell for being located proximate to its perimeter region and be interfered of UE.
Fig. 1 shows the example scenario of wireless network comprising multiple base stations, each base station service a cell.
And there are multiple user equipments in each cell.For the sake of clarity, it illustrate only a user equipment UE1, by
Base station BS 1 referred to as " serving BS " services.The circumference that the cell for being located proximate to BS2 of UE1 is covered, and in downlink chain
By the interference from the BS2 referred to as " interference base station " when Lu Zhongyu BS1 is communicated.Wherein, the wireless network can be base
In the wireless network of 3GPP.It is preferably LTE network, and base station is the e-Node B of LTE network.
Fig. 2 shows according to an embodiment of the invention for triggering the flow chart of the method for activation NAICS.Below
It will be described in greater detail referring to Fig. 2 and in conjunction with Fig. 1:
As shown in Figure 1, the circumference of the cell for being located proximate to interference base station BS2 of the UE1 in the cell of serving BS BS1,
Therefore by the interference from BS2 during the downlink and uplink communication with BS1.
As shown in Figure 2, at step S201, BS1 is sent to (one or more) UE in the serving cell of BS1
First NAICS information aggregate, wherein the first NAICS information aggregate includes adjacent small in interference NAICS cell list (INCL)
The cell ID in area.
During the configuration of wireless network, INCL can be predefined each cell (such as cell 1 of BS1)
It and is static/semi-static.Preferably, network can configure the cell updated in the INCL corresponding to UE by RRC.This
One update, which can be, finds the new cell (one as its existing mobility regulation being not located in original I NCL based on UE
Point).If new cell participates in NAICS, that is to say, that be ready to limit using subset, then network (such as BS1) will be the cell
It is added to INCL.Similarly, network (such as BS1) can also remove cell from INCL.
After receiving the first NAICS information aggregate, at step S202, it is true that UE1 is based on the first NAICS information aggregate
Determine (one or more) NAICS cell in neighboring community.Here is to show how UE1 determines (one or more) NAICS
Two examples of cell:
Example 1:
The (not shown) at step S2021, cell ID measurement of the UE1 based on the neighboring community each of INCL are potential
The quality of NAICS cell.In one embodiment, the first NAICS information aggregate further includes cell reference signals (CRS) parameter,
Cell ID and CRS parameter measurement potential NAICS cell of the UE1 based on the neighboring community each of INCL CRS mass (as
One of quality).
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
The (not shown) at step S2022, UE1 are determined in PNC set based on the quality of measured potential NAICS
(one or more) NAICS cell.
Example 2:
Firstly, the (not shown) at step S2021 ', UE1 is determined adjacent small in INCL based on the cell ID of neighboring community
The set of potential NAICS cell (PNC) in area；
For step S2021 ', the set of PNC is determined there are different modes.For example, UE1 measures INCL first
In neighboring community reference signal quality；Then determined in INCL based on the reference signal quality of measured neighboring community
The set of potential NAICS cell (PNC) in neighboring community.
In one embodiment, the first NAICS information aggregate includes the cell ID corresponding to the cell in INCL.BS1 can
To configure the threshold value SNAICS for corresponding to UE1.The reference signal quality of each of UE1 measurement INCL cell, and if
The reference signal quality of one cell is higher than SNAICS, then one cell is determined as in PNC set.Such reference
One example of signal quality can be the RSRP of the neighboring community in INCL.Wherein UE will be reduced in this way to need to assess NAICS
The number of the cell of applicability.The set for meeting the cell in the INCL of this standard is referred to as potential NAICS cell (PNC).
After determining the set of PCN, the (not shown) at step S2022 ', UE1 is surveyed based on the cell ID of potential cell
Measure the quality of potential NAICS cell.
In one embodiment, the first NAICS information aggregate further includes cell reference signals (CRS) parameter.For being adjusted
The PRB (PRB namely comprising the data corresponding to UE1) of degree, cell ID and CRS parameter of the UE1 based on potential NAICS cell
Measure the CRS signal quality of the potential NAICS cell of each of PNC set (as one of quality).It should be appreciated that
Since the transmission from serving cell may serve as interference (especially if transmission is if going to another cell),
Measurement for the CRS signal quality of interfered cell may be highly difficult.As shown in fig. 1, UE1 is connected to the cell of BS1
1, and attempt the CRS signal quality of the cell 2 (i.e. interfered cell) of measurement BS2.BS1 also transmits data, and the biography to UE2
The UE1 interference signal quality measured to the CRS of BS2 will be served as by sending.But if the data transmission of BS1 is for UE1, UE1
The signal from BS1 will be decoded, and is accounted for when measuring the CRS signal quality of cell 2 of BS2.
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
Then, the (not shown) at step S2023 ', UE1 is based on measured (one or more) potential NAICS cell
Quality determine PNC set in (one or more) NAICS cell.It should be appreciated that UE1 can based on multiple standards come
Determine (one or more) NAICS cell.In general, (one or more) interfered cell with best quality will be (one
It is a or multiple) interfered cell is dominated, so that UE has a possibility that highest counteracting/inhibition small from (one or more) interference
Any interference in area.
Here is to show how UE1 determines two examples of (one or more) NAICS cell in PNC set:
Example 3:
UE1 determines the cell of the predefined number in PNC set to have as (one or more) NAICS cell
There is the quality for remaining cell being higher than in PNC set.
Example 4:
UE1 determine PNC set in have higher than the first defined threshold value quality (one or more) cell with
As (one or more) NAICS cell.For example, if the CRS signal quality of a potential NAICS cell for
It is higher than threshold value STRIGGER within TTRIGGER seconds, then UE1 determines that the potential NAICS cell is NAICS cell, and UE1 is reported to
The base station of cell is to trigger NAICS.Parameter STRIGGER and TTRIGGER can be configured by network (BS1), and can be
Receiver ability based on UE1.
It should be appreciated that being suitable for the invention other than the example of front for determining (one or more) NAICS
The other modes of cell should also be as falling in protection scope of the present invention and being merged herein by reference.
After the determination of step S202, at step S203, UE1 sends (one or more identified to base station BS 1
It is a) the cell ID of NAICS cell, to trigger activation NAICS.
After the cell ID that the UE of the first number receives (one or more) NAICS cell, at step S204,
When the first number meets six threshold values, BS1 triggers the activation NAICS operation of (one or more) NAICS cell.
Specifically, for example including some UE including UE1 determine PNC set in BS2 interfered cell be need by
The NAICS cell of NAICS operation is triggered, and sends trigger request to BS1, including the cell ID of the cell 2 of BS2.?
After the cell ID for receiving the cell 2 of BS2 from these UE, if there is enough UE are for triggering and the interfered cell of BS2
NAICS, then BS1 determine triggering NAICS, then to BS2 send for triggering NAICS request.It is receiving for triggering
After the request of NAICS, BS2 can be limited NAICS application subset, and sent to BS1 and limited related information with subset.
It being received with subset limitation after related information from BS2, BS1 will be provided to UE limits related information with subset, and
NAICS is activated for these UE.These UE therefore may operate in in the NAICS of the interfered cell of BS2.
In a preferred embodiment, when operation is in NAICS, the ginseng of the neighboring community in UE1 test constantly INCL
Examine signal quality.
Then, UE1 can monitor the reference signal quality of the measured neighboring community in example based on new PNC come more
The set of the potential NAICS cell (PNC) in neighboring community in new INCL.
In a further advantageous embodiment, the matter of cell ID test constantly potential NAICS cell of the UE1 based on potential cell
Amount.In one embodiment, the first NAICS information aggregate further includes cell reference signals (CRS) parameter.UE1 is based on potential
The CRS signal quality of the potential NAICS cell of each of cell ID and CRS parameter test constantly the PNC set of NAICS cell
(as one of quality).
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
Then, UE1 can be according to the quality of the measured potential NAICS in new NAICS district monitoring example come more
(one or more) NAICS cell in new PNC set.
Fig. 3 shows the flow chart of the method for triggering deactivated NAICS according to a preferred embodiment of the present invention.
It is described in greater detail below with reference to Fig. 2 and in conjunction with Fig. 1:
As shown in Figure 3, UE1 operation is in the NAICS with BS2.At step S205, UE1 persistently detect operation with
The information that the quality of UE in the NAICS of NAICS cell reduces.The quality reduction includes but not limited in the following terms
Any one:
1) UE of the operation in NAICS return back to the case where wherein there is no NAICS, that is to say, that UE can not be utilized
NAICS information is interfered to offset or inhibit；
2) for operating the UE in NAICS, the Block Error Rate (BLER) of data grouping when using NAICS is beyond predetermined
Adopted threshold value SBLER.
At step S206, UE is deactivated when the information that the quality for determining detected UE reduces meets predefined standard
With the NAICS of NAICS cell.And UE1 sends the deactivation notice of the cell ID of the NAICS cell including deactivating to BS1.Institute
Stating predefined standard includes but not limited to that the following terms any one of is worked as:
1) number for returning back to no NAICS situation exceeds second threshold SFALLBACK in period TFALLBACK,
Described in quality reduce information be return back to UE without NAICS situation；
2) it return back to the number of no NAICS situation in succession beyond third threshold value SFALLBACK ', wherein the quality reduces
Information be to return back to no NAICS situation in succession；Or
3) when the BLER for the data grouping for operating UE when with the NAICS of NAICS cell surpasses in period TBLER
4th threshold value SBLER out.
At step S207, when from deactivated with the UE of the second number of the NAICS of NAICS cell receive with
When the deactivation notice of the NAICS of the interfered cell NAICS (such as cell 2 of BS2), BS1 sends to BS2 and deactivates for triggering
The request of NAICS operation, if number (such as the first number and the second number of remaining UE of the operation in the NAICS with BS2
Difference) meet the 5th threshold value, then mean not enough UE to support effective NAICS with BS2.
It should be appreciated that other than the mode of front, it is suitable for the invention deactivated other for determining NAICS
Mode should also be as falling in protection scope of the present invention and being merged herein by reference.
Fig. 4 shows according to an embodiment of the invention for triggering the schematic diagram of the system of NAICS.It below will ginseng
It is described in greater detail according to Fig. 4 and in conjunction with Fig. 1:
As shown in Figure 1, the circumference of the cell for being located proximate to interference base station BS2 of the UE1 in the cell of serving BS BS1,
Therefore by the interference from BS2 during the downlink and uplink communication with BS1.
As shown in Figure 4, the device 101 in BS1 (its be referred to as " the first sending device ") is to the serving cell for being located at BS1
In (one or more) UE send the first NAICS information aggregate, wherein the first NAICS information aggregate include interference NAICS it is small
The cell ID of neighboring community in area's list (INCL).
During the configuration of wireless network, INCL can be predefined each cell (such as cell 1 of BS1)
It and is static/semi-static.Preferably, network can configure the cell updated in the INCL corresponding to UE by RRC.This
One update, which can be, finds the new cell (one as its existing mobility regulation being not located in original I NCL based on UE
Point).If new cell participates in NAICS, that is to say, that be ready to limit using subset, then network (such as BS1) will be the cell
It is added to INCL.Similarly, network (such as BS1) can also remove cell from INCL.
By the device 201 (its be referred to as " first receiving device ") in UE1 receive the first NAICS information aggregate it
Afterwards, the device 202 in UE1 (it is referred to as " the first determining device ") determines that neighboring community works as based on the first NAICS information aggregate
In (one or more) NAICS cell.Here is to show how UE1 determines two realities of (one or more) NAICS cell
Example:
Example 1:
Cell ID of 2021 (not shown) of measuring device based on the neighboring community each of INCL in device 202 and
The quality of the potential NAICS cell of CRS parameter measurement.In one embodiment, the first NAICS information aggregate further includes cell reference
Signal (CRS) parameter, cell ID and CRS parameter measurement potential NAICS cell of the UE1 based on the neighboring community each of INCL
CRS mass (as one of quality).
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
In device 202 really 2022 (not shown) of locking equipment based on the quality of measured potential NAICS determine PNC gather
(one or more) NAICS cell in the middle.
Example 2:
Firstly, first in device 202 determines that 2021 ' (not shown) of equipment determines INCL based on the cell ID of neighboring community
In neighboring community in potential NAICS cell (PNC) set；
The set of PNC is determined there are different modes.For example, first determine that the measurement module of equipment 2021 ' is first
First measure the reference signal quality of the neighboring community in INCL；Subsequent first determines that the determining module of equipment 2021 ' is based on being surveyed
The reference signal quality of the neighboring community of amount determines the set of the potential NAICS cell (PNC) in the neighboring community in INCL.
In one embodiment, the first NAICS information aggregate includes the cell ID corresponding to the cell in INCL.BS1 can
To configure the threshold value SNAICS for corresponding to UE1.First determines in the measurement module (not shown) measurement INCL in equipment 2021 '
The reference signal quality of each cell.If the reference signal quality of a subsequent cell is higher than threshold value SNAICS, first
Determine that the determining module (not shown) in equipment 2021 ' is determined as the cell one in PNC set.Such signal matter
One example of amount can be the RSRP of the neighboring community in INCL.Wherein UE will be reduced in this way needs to assess NAICS applicability
Cell number.The set for meeting the cell in the INCL of this standard is referred to as potential NAICS cell (PNC).
2022 ' (not shown) base of measuring device after determining that equipment 2021 ' determines the set of PCN by first, in UE1
In the CRS mass of the potential NAICS cell of cell ID and CRS (cell reference signals) parameter measurement of potential cell.
In one embodiment, the first NAICS information aggregate further includes cell reference signals (CRS) parameter.For being adjusted
Locking equipment 2022 ' is based on potential NAICS cell really in the PRB (PRB namely comprising the data corresponding to UE1) of degree, UE1
Cell ID and CRS parameter measurement PNC set each of potential NAICS cell CRS signal quality (as one of which
Quality).It should be appreciated that since the transmission from serving cell may serve as interference (especially if transmission is to go to separately
If one cell), therefore may be highly difficult for the measurement of the CRS signal quality of interfered cell.As shown in fig. 1,
UE1 is connected to the cell 1 of BS1, and attempts the CRS signal quality of the cell 2 (i.e. interfered cell) of measurement BS2.BS1 also to
UE2 transmits data, and the transmission will serve as the UE1 interference signal quality measured to the CRS of BS2.But the if data of BS1
Transmission is for UE1, then the measurement module in UE1 will decode the signal from BS1, and in the cell 2 of measurement BS2
CRS signal quality when accounted for.
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
Then, second in UE1 determines that 2023 ' (not shown) of equipment is potential based on measured (one or more)
The quality of NAICS cell determines (one or more) NAICS cell in PNC set.It should be appreciated that second determines equipment
2023 ' can determine (one or more) NAICS cell based on multiple standards.In general, (one with best quality
Or it is multiple) interfered cell will be (one or more) dominate interfered cell so that UE has a possibility that highest counteracting/inhibition
Any interference from (one or more) interfered cell.Here is to show that second determines how equipment 2023 ' determines that PNC gathers
Two examples of (one or more) NAICS cell in the middle:
Example 3:
Second determines that equipment 2023 ' determines the cell of the predefined number in PNC set using as (one or more)
NAICS cell has the quality for remaining cell being higher than in PNC set.
Example 4:
Second determines that equipment 2023 ' determines (one with the quality higher than the first defined threshold value in PNC set
Or multiple) cell is using as (one or more) NAICS cell.For example, if the CRS letter of a potential NAICS cell
Number quality was higher than threshold value STRIGGER for TTRIGGER seconds, then UE1 determines that the potential NAICS cell is NAICS cell, UE1
The base station of cell is reported to trigger NAICS.Parameter STRIGGER and TTRIGGER can be matched by network such as BS1
It sets, and can be the receiver ability based on UE1.
It should be appreciated that being suitable for the invention other than the example of front for determining (one or more) NAICS
The other modes of cell should also be as falling in protection scope of the present invention and being merged herein by reference.
After the determination of device 202, the device 203 (it is referred to as " the second sending device ") in UE1 is sent out to base station BS 1
The cell ID of (one or more) NAICS cell determined by sending, to trigger activation NAICS.
(one or more) is received from the UE of the first number in device 102 (it is referred to as " first receiving device ")
After the cell ID of NAICS cell, when the first number meets six threshold values, (it is referred to as " triggering dress to the device 103 in BS1
Set ") triggering (one or more) NAICS cell activation NAICS operation.
Specifically, for example including some UE including UE1 determine PNC set in BS2 interfered cell be need by
The NAICS cell of NAICS operation is triggered, and sends trigger request to BS1, including the cell ID of the cell 2 of BS2.?
After the cell ID for receiving the cell 2 of BS2 from these UE, if there is enough UE are for triggering and the interfered cell of BS2
NAICS, then device 103 in BS1 determines triggering NAICS, sends the request for triggering NAICS then to BS2.It is receiving
To after the request for triggering NAICS, BS2 can be limited NAICS application subset, and sent to BS1 and limited with subset
Related information.It is received with subset limitation after related information from BS2, BS1 will provide related with subset limitation to UE
Information, and for these UE activate NAICS.These UE therefore may operate in in the NAICS of the interfered cell of BS2.
In a preferred embodiment, when operation is in NAICS, first in UE1 determines the measurement mould of equipment 2021 '
The reference signal quality of neighboring community in block test constantly INCL.
Then, first in UE1 determines that the determining module of equipment 2021 ' can monitor the institute in example based on new PNC
The reference signal quality of the neighboring community of measurement updates the potential NAICS cell (PNC) in the neighboring community in INCL
Set.
In a further advantageous embodiment, the measuring device 2022 ' in UE1 is joined based on the cell ID and CRS of potential cell
The quality of the number potential NAICS cell of test constantly.In one embodiment, the first NAICS information aggregate further includes cell reference
Signal (CRS) parameter.Measuring device 2022 ' is gathered based on cell ID and CRS the parameter test constantly PNC of potential NAICS cell
Each of potential NAICS cell CRS signal quality (as one of quality).
It should be appreciated that it is small potential NIACS can also to be measured using other kinds of parameter other than CRS parameter
The quality in area, such as CSI-RS (channel state information reference signals) or DRS (it was found that reference signal).
Then, second in UE1 determines that equipment 2023 ' can be according to measured by new NAICS district monitoring example
Potential NAICS quality come update PNC set in (one or more) NAICS cell.
Fig. 5 shows according to an embodiment of the invention for triggering the schematic diagram of the system of deactivated NAICS.Below
It will be described in greater detail referring to Fig. 5 and in conjunction with Fig. 1 and 4:
As shown in Figure 5, UE1 operation is in the NAICS with BS2.(it is referred to as " detection dress to device 204 in UE1
Set ") operation is persistently detected in the information with the reduction of the quality of the UE in the NAICS of NAICS cell.Quality reduction include and
The following terms is not limited to any one of to work as:
1) UE of the operation in NAICS return back to the case where wherein there is no NAICS, that is to say, that UE can not be utilized
NAICS information is interfered to offset or inhibit；
2) for operating the UE in NAICS, the Block Error Rate (BLER) of data grouping when using NAICS is beyond predetermined
Adopted threshold value SBLER.
After the detection of device 204, device 205 in UE1 (it is referred to as " off-stream unit ") is detected by the determination
The information that reduces of quality of UE the NAICS with NAICS cell is deactivated when meeting predefined standard, and include to BS1 transmission
The deactivation notice of the cell ID of the NAICS cell deactivated.The predefined standard includes but not limited in the following terms
Any one:
1) number for returning back to no NAICS situation exceeds second threshold SFALLBACK in period TFALLBACK,
Described in quality reduce information be return back to UE without NAICS situation；
2) it return back to the number of no NAICS situation in succession beyond third threshold value SFALLBACK ', wherein the quality reduces
Information be to return back to no NAICS situation in succession；Or
3) when the BLER for the data grouping for operating UE when with the NAICS of NAICS cell surpasses in period TBLER
4th threshold value SBLER out.
Then, when the UE (for example including the UE1 deactivated with the NAICS of NAICS cell) from the second number is received
To the NAICS with NAICS cell deactivation notice when, the device 105 (it is referred to as " off-stream unit ") in BS1 is dry to NAICS
Cell (such as BS2) is disturbed to send for the request for deactivating NAICS operation is triggered, if residue of the operation in the NAICS with BS2
The number (such as difference of the first number and the second number) of UE meets the 5th threshold value, then means not enough UE to support
With effective NAICS of BS2.
It should be appreciated that other than the mode of front, it is suitable for the invention deactivated other for determining NAICS
Mode should also be as falling in protection scope of the present invention and being merged herein by reference.
It should be recognized by those skilled in the art that the aforementioned device and module in UE1 or BS2 can be independent of one another.Alternatively,
It is therein part or all can be integrated together in single device.
It needs it is to be noted that the present invention can be implemented by the combination of software and/or software and hardware, such as the present invention
It can be implemented by using specific integrated circuit (ASIC), general purpose computer or any other similar hardware equipped.?
In one embodiment, software program of the invention can be executed by processor to realize abovementioned steps or function.Similarly, this hair
Bright software program (including relevant data structure) can be stored in computer readable recording medium, such as RAM storage
Device, magnetic-light driver or floppy disk and similar devices.In addition, some steps of the invention or function can be by using hardware
To realize, such as cooperate to implement the circuit of various steps or function with processor.
In addition, a part of the invention can be used as computer program product to apply, such as computer program instructions, when
When described instruction is executed by computer, by the operation calls of computer or it can provide according to the method for the present invention and/or skill
Art solution.But for calling the program instruction of method of the invention to be possibly stored in fixed or movable recording medium
In, and/or transmitted by broadcast or other signal vehicle media, and/or be stored in and referred to according to described program
In the operation memory for enabling the computer equipment of operation.It include an equipment, institute herein according to one embodiment of the present of invention
Stating equipment includes the memory for storing computer program instructions and the processor for executing program instructions, when by described
When processor executes computer program instructions, the equipment be triggered method of the operation based on previously described embodiments of the present invention and/or
Technical solution.
It is apparent to a person skilled in the art that the present invention is not limited to the thin of above-mentioned exemplary embodiment
Section, in addition, can realize this hair by other concrete forms under the premise of without departing substantially from spirit or essential attributes of the invention
It is bright.Therefore, which point the embodiment regardless of should all be considered as exemplary and non-limiting from, and the scope of the present invention is by institute
Attached claims rather than the description of front limit, and are intended to cover fall on the meaning of the equivalent elements in claims
And all changes fallen within the scope of the present invention.Any appended drawing reference in claim is not construed as involved by limitation
And claim.It is further clear that one word of "comprises/comprising" is not excluded for other assemblies or step, odd number is not excluded for
Plural number, the multiple components or device mentioned in the device claim by component or a device or can also pass through software
Or hardware is realized, such as the words such as " first " and " second " are only to be used to represent title rather than any particular order.
Claims (15)
1. one kind is used to trigger the device in the UE of the wireless network of network assistance Interference Cancellation and inhibition (NAICS), wherein institute
Stating device includes:
The device that the first NAICS information aggregate is received for the base station of the serving cell from UE, in interference NAICS cell list
It (INCL) include the cell ID of neighboring community in；
For determining the device of one or more NAICS cells of the neighboring community in based on the first NAICS information aggregate；
The device of NAICS is triggered for the cell ID to one or more NAICS cell determined by the transmission of base station.
2. the device of claim 1, wherein described for determining the device of one or more NAICS cell further include:
The collection of the potential NAICS cell (PNC) in the neighboring community in INCL is determined for the cell ID based on neighboring community
First closed determines equipment；
The measuring device of the quality of potential NAICS cell is measured for the first NAICS information aggregate based on potential cell；
For determining the second of one or more NAICS cells of the PNC set in based on the quality of measured potential NAICS
Determine equipment.
3. the device of claim 2, wherein first determining module includes:
For measuring the measurement module of the reference signal quality of the neighboring community in INCL；
For determining the potential NAICS in the neighboring community in INCL based on the reference signal quality of measured neighboring community
The determining module of the set of cell (PNC).
4. the device of claim 3, wherein described second determines that equipment is suitable for determining one based on any one of following standard
Or multiple NAICS cells:
Determine the cell of the predefined number in PNC set to have and be higher than PNC as one or more NAICS cells
The quality of remaining cell in set；
Determine one or more cells with the quality higher than first threshold in PNC set using as one or more
NAICS cell.
5. the device of claim 3, wherein the measurement module is suitable for continuously measuring the reference letter of the neighboring community in INCL
Number quality；
Wherein, the determining module is suitable for the reference signal matter based on the measured neighboring community in new PNC monitoring example
It measures to update the set of the potential NAICS cell (PNC) in the neighboring community in INCL.
6. the device of any one of claim 2 to 5, wherein the measuring device is suitable for the first NAICS based on potential cell
Information aggregate continuously measures the quality of potential NAICS cell；
Wherein, second determine that equipment is suitable for the quality according to the measured potential NAICS in new NAICS district monitoring example
To update one or more NAICS cells of the PNC set in.
7. the device of any one of claims 1 to 5, further include:
For detecting operation in the device of the information with the reduction of the quality of the UE in the NAICS of NAICS cell；And
Information for reducing in the quality for determining detected UE deactivates and NAICS cell when meeting predefined standard
The device of NAICS.
8. the device of claim 7, wherein the predefined standard includes that the following terms any one of is worked as:
The number of no NAICS situation is return back in period TFallbackIt is interior to exceed second threshold SFallback, wherein the quality drops
Low information be return back to UE without NAICS situation；
It return back to the number of no NAICS situation in succession beyond third threshold value SFallback', wherein the information that the quality reduces is
It return back to no NAICS situation；Or
When the BLER for the data grouping for operating UE when with the NAICS of NAICS cell is in period TBLERInside exceed the 4th
Threshold value SBLER。
9. the device in the base station of wireless network of the one kind for triggering network assistance Interference Cancellation and inhibition (NAICS), wherein
Described device includes:
For sending the device of the first NAICS information aggregate to one or more UE, in interference NAICS cell list (INCL)
In include neighboring community cell ID；
For receiving the device of the cell ID of one or more NAICS cell from the UE of the first number；
For the triggering one or more NAICS cell activation NAICS operation in the case where the first number is higher than five threshold values
Device.
10. the device of claim 9, wherein its further include:
For being received about deactivating with NAICS cell with the UE of the second number of the NAICS of NAICS cell from having deactivated
The device of the notice of NAICS；
It is deactivated for triggering NAICS cell in the case where operating the number of the remaining UE in NAICS less than six threshold values
The device of NAICS operation.
11. the method in the UE of wireless network of the one kind for triggering network assistance Interference Cancellation and inhibition (NAICS), wherein
The described method includes:
The first NAICS information aggregate is received from the base station of the serving cell of UE, in INCL (interference NAICS cell list)
Cell ID including neighboring community；
One or more NAICS cells of the neighboring community in are determined based on the first NAICS information aggregate；
The cell ID of identified one or more NAICS cell is sent to base station to trigger NAICS.
12. the method in the base station of wireless network of the one kind for triggering activation network assistance Interference Cancellation and inhibition (NAICS),
Wherein, which comprises
The first NAICS information aggregate is sent to one or more UE, includes phase in interference NAICS cell list (INCL)
The cell ID of adjacent cell；
Wherein, the method also includes:
The cell ID of one or more NAICS cell is received from the UE of the first number；
The triggering one or more NAICS cell activation NAICS operation in the case where the first number is higher than five threshold values.
13. the UE of wireless network of the one kind for triggering network assistance Interference Cancellation and inhibition (NAICS), wherein the UE packet
Include the device of any one of claims 1 to 8.
14. the base station of wireless network of the one kind for triggering network assistance Interference Cancellation and inhibition (NAICS), wherein the base
It stands the device including any one of claim 9 to 10.
15. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of any one of claim 11 to 12 the method is realized when execution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2014/079951 WO2015192293A1 (en) | 2014-06-16 | 2014-06-16 | Method and apparatus for triggering naics in wireless network |
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| CN106465201B true CN106465201B (en) | 2019-06-28 |
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| WO2015192293A1 (en) | 2015-12-23 |
| CN106465201A (en) | 2017-02-22 |
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