CN105338543B - Method, apparatus, system and the relevant device of network assistance terminal blind examination - Google Patents
Method, apparatus, system and the relevant device of network assistance terminal blind examination Download PDFInfo
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- CN105338543B CN105338543B CN201410390066.6A CN201410390066A CN105338543B CN 105338543 B CN105338543 B CN 105338543B CN 201410390066 A CN201410390066 A CN 201410390066A CN 105338543 B CN105338543 B CN 105338543B
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- adjacent area
- subframe
- blind examination
- configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
Abstract
The invention discloses a kind of method, apparatus, system and the relevant devices of the blind examination of network assistance terminal, in deleting interfering process in network assistance, reduce terminal blind examination complexity, save terminal processes resource.Wherein, the method for the network assistance terminal blind examination that network side is implemented, including receive the adjacent area uplink and downlink timeslot configuration information that neighbor base station is sent；Local area terminal blind examination relevant information, the blind examination relevant information is notified to be determined according to the adjacent area uplink and downlink timeslot configuration information.The method for the network assistance terminal blind examination that end side is implemented, including receive the blind examination relevant information that network side is sent；The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, and carries out blind examination in the adjacent area subframe of UNKNOWN TYPE.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of method, apparatus of network assistance terminal blind examination, it is
System and relevant device.
Background technology
It refers to terminal configuration advanced receivers that (NAICS) is deleted in network assistance interference, and the interference using network side notice is believed
Breath deletes adjacent area interference to promote receptivity in conjunction with itself blind examination.
It is as depicted in figs. 1 and 2 respectively, wherein Fig. 1 is inter-cell interference schematic diagram, and Fig. 2 deletes for network assistance interference to be shown
It is intended to.Terminal is deleted to effectively interfere, and needs the auxiliary information obtained from network side, includes mainly following two categories：
One kind is the auxiliary information of cell level (Cell-specific), including system bandwidth, synchronizing indication and the (adjacent areas Cell ID
Cell ID), CRS Ports (public reference signal port) and PA parameters and PB parameters；Another kind of is user class
(User-specific) auxiliary information, including CSI-RS (Channel Status Information Reference
Signal, channel state information reference signals), TM (Transmission Mode, transmission mode), RI (Rank
Indication, order instruction), PMI (Precoding Matrix Indicator, pre-coding matrix instruction), PA parameters, MCS
(Modulation and Coding Scheme, modulation and coding strategy) DMRS Ports (demodulated reference signal port),
DMRS VCID (demodulated reference signal virtual subdistrict mark), resource allocation type and resource allocation granularity etc..
Currently, LTE system supports 7 kinds of uplink and downlink timeslot proportionings altogether, as shown in table 1：
Table 1
NAICS technologies can only eliminate the downlink subframe interference of adjacent area, helpless for sub-frame of uplink.Terminal only determines
When adjacent area current subframe is downlink subframe, interference deletion could be carried out by NACIS.For upper and lower time slot proportion dynamic change
Application scenarios, in cell enhancing (eIMTA) application scenarios, since high-level signaling time delay is larger, terminal can not rely on high level
Signaling knows whether the current subframe of adjacent area is downlink subframe, can only rely on itself blind examination know adjacent area current subframe whether be
Downlink subframe.According to table 1 it is found that 6 subframes that subframe numbers are { #3, #4, #6, #7, #8, #9 } are possible to as downlink subframe,
Therefore, in extreme circumstances, terminal needs to carry out the downlink subframe that blind examination just can determine that adjacent area in this 6 subframes.Such as 2 institute of table
Show：
Table 2
Which increase the complexities of terminal blind examination to cause simultaneously as terminal blind examination needs to consume the process resource of terminal
The waste of terminal processes resource.
Invention content
The embodiment of the present invention provides a kind of method, apparatus, system and the relevant device of the blind examination of network assistance terminal, to
Network assistance is deleted in interfering process, and terminal blind examination complexity is reduced, and saves terminal processes resource.
The embodiment of the present invention provides a kind of method for the network assistance terminal blind examination that network side is implemented, including：
Receive the adjacent area uplink and downlink timeslot configuration information that neighbor base station is sent；
Notify that local area terminal blind examination relevant information, the blind examination relevant information are to be configured according to the adjacent area uplink and downlink timeslot
What information was determined.
Wherein, the adjacent area uplink and downlink timeslot configuration information includes the time division duplex in the system information block SIB1 of adjacent area or more
Row time slot configuration TDD UL/DL configuration information and descending reference uplink and downlink timeslot configuration DL reference UL/
DL configuration information.
The blind examination relevant information is TDD UL/DL configuration information in the adjacent area SIB1 and for small
Cell enhances the DL reference UL/DL configuration information of eIMTA；And
Notify local area terminal blind examination relevant information, including：
Notify the TDD UL/DL configuration information in local area terminal adjacent area SIB1 and DL reference UL/
DL configuration information.
Blind examination relevant information is determined in accordance with the following methods：
According to the TDD UL/DL configuration information and DL reference UL/DL in the adjacent area SIB1
Configuration information determines the subframe type of each subframe in adjacent area respectively；
Determine that the subframe type information of each subframe in adjacent area is the blind examination relevant information；And
Notify local area terminal blind examination relevant information, including：
Using the mode arranged in advance with local area terminal, the subframe class for each subframe in adjacent area that notice local area terminal is determined
Type.
The embodiment of the present invention provides a kind of device of network assistance terminal blind examination, including：
Receiving unit, the adjacent area uplink and downlink timeslot configuration information for receiving neighbor base station transmission；
Notification unit, for notifying that local area terminal blind examination relevant information, the blind examination relevant information are according to the adjacent area
Uplink and downlink timeslot configuration information is determined.
The blind examination relevant information is the adjacent area uplink and downlink timeslot configuration information, and the adjacent area uplink and downlink timeslot matches confidence
Breath includes the time division duplex uplink and downlink timeslot configuration TDD UL/DL configuration information in the system information block SIB1 of adjacent area
With the descending reference uplink and downlink timeslot configuration DL reference UL/DL configuration for enhancing eIMTA for cell
Information；And
The notification unit, the TDD UL/DL configuration being specifically used in notice local area terminal adjacent area SIB1
Information and DL reference UL/DL configuration information.
The adjacent area uplink and downlink timeslot configuration information includes the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information；And
Described device further includes determination unit, wherein：
The determination unit, for according to the TDD UL/DL configuration information and DL in the adjacent area SIB1
Reference UL/DL configuration information determines the subframe type of each subframe in adjacent area respectively；And determine that adjacent area is every
The subframe type information of one subframe is the blind examination relevant information；
The notification unit, specifically for using the mode arranged in advance with local area terminal, notice local area terminal to determine
The each subframe in adjacent area subframe type.
The embodiment of the present invention provides a kind of base station, including the device of network assistance terminal blind examination that above-mentioned network side is implemented.
The embodiment of the present invention provides a kind of method for the network assistance terminal blind examination that end side is implemented, including：
Receive the blind examination relevant information that network side is sent；
The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, and enterprising in the adjacent area subframe of UNKNOWN TYPE
Row blind examination.
The blind examination relevant information is the adjacent area uplink and downlink timeslot configuration information that the network side is sent according to neighbor base station
It determines.
The adjacent area uplink and downlink timeslot configuration information is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information；The blind examination relevant information is the TDD in the adjacent area SIB1
UL/DL configuration information and DL reference UL/DL configuration information；And
The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, including：
According to the TDD UL/DL configuration information and DL reference UL/DL in the adjacent area SIB1
Configuration information determines the adjacent area subframe of UNKNOWN TYPE.
The adjacent area uplink and downlink timeslot configuration information is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information；The blind examination relevant information is the network side according to the neighbour
TDD UL/DL configuration information and DL reference UL/DL configuration information in area SIB1 is true
The subframe type information for each subframe in adjacent area made；
The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, including：
The adjacent area subframe of UNKNOWN TYPE is determined according to the subframe type information of each subframe in adjacent area.
The embodiment of the present invention provides a kind of device for the network assistance terminal blind examination that end side is implemented, including：
Receiving unit, the blind examination relevant information for receiving network side transmission；
Blind examination unit, the adjacent area subframe for determining UNKNOWN TYPE according to the blind examination relevant information, and in UNKNOWN TYPE
Adjacent area subframe on carry out blind examination.
The blind examination relevant information is the adjacent area uplink and downlink timeslot configuration information that the network side is sent according to neighbor base station
It determines, the adjacent area uplink and downlink timeslot configuration information is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information；The blind examination relevant information is the TDD in the adjacent area SIB1
UL/DL configuration information and DL reference UL/DL configuration information；And
The blind examination unit is specifically used for according to the TDD UL/DL configuration information in the adjacent area SIB1
The adjacent area subframe of UNKNOWN TYPE is determined with DL reference UL/DL configuration information.
The blind examination relevant information is the adjacent area uplink and downlink timeslot configuration information that the network side is sent according to neighbor base station
It determines, the adjacent area uplink and downlink timeslot configuration information is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information；The blind examination relevant information is the network side according to the neighbour
TDD UL/DL configuration information and DL reference UL/DL configuration information in area SIB1 is true
The subframe type information for each subframe in adjacent area made；And
The blind examination unit, specifically for determining the adjacent area of UNKNOWN TYPE according to the subframe type information of each subframe in adjacent area
Subframe.
The embodiment of the present invention provides a kind of terminal, including the device of network assistance terminal blind examination that above-mentioned end side is implemented.
The embodiment of the present invention provides a kind of system of network assistance terminal blind examination, including base station and terminal, wherein the base
It is provided with the device for the network assistance terminal blind examination that above-mentioned network side is implemented in standing, it is real that above-mentioned end side is provided in the terminal
The device for the network assistance terminal blind examination applied.
Method, apparatus, system and the relevant device of network assistance terminal blind examination provided in an embodiment of the present invention, in network
Side, base station receive the adjacent area uplink and downlink timeslot configuration information that adjacent area is sent, determine therefrom that the blind examination relevant information of local area terminal simultaneously
Notifying local area terminal so that terminal can determine the adjacent area subframe of UNKNOWN TYPE according to the blind examination relevant information received, and
Blind examination is carried out in the adjacent area subframe of UNKNOWN TYPE to determine whether the adjacent area subframe is downlink subframe, it can be seen that, according to this hair
Bright embodiment, terminal only need to according to blind examination relevant information can not certain type of adjacent area subframe carry out blind examination, without time
Each adjacent area subframe is gone through, to reduce the complexity of terminal blind examination, has saved the process resource of terminal.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is inter-cell interference schematic diagram in the prior art；
Fig. 2 is that in the prior art, schematic diagram is deleted in network assistance interference；
Fig. 3 is in the embodiment of the present invention, and network side implements the implementation process diagram of network assistance terminal blind detection method；
Fig. 4 is in the embodiment of the present invention, and the implementation process diagram of network assistance terminal blind detection method is implemented in end side；
Fig. 5 a are the first adjacent area uplink-downlink configuration information schematic diagram in the embodiment of the present invention；
Fig. 5 b are second of adjacent area uplink-downlink configuration information schematic diagram in the embodiment of the present invention；
Fig. 5 c are the third adjacent area uplink-downlink configuration information schematic diagram in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the first network assistance terminal blind examination device in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of second of network assistance terminal blind examination device in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of network assistance terminal blind examination system in the embodiment of the present invention.
Specific implementation mode
When carrying out network assistance interference deletion in the scene of time slot proportion dynamic change to reduce terminal above and below adjacent area
The complexity of blind examination saves terminal processes resource, and an embodiment of the present invention provides a kind of method of network assistance terminal blind examination, dresses
It sets, system and relevant device.
Below in conjunction with Figure of description, preferred embodiment of the present invention will be described, it should be understood that described herein
Preferred embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention, and in the absence of conflict, this hair
The feature in embodiment and embodiment in bright can be combined with each other.
As shown in figure 3, implement the implementation process diagram of the method for network assistance terminal blind examination for network side, including it is following
Step：
S31, the adjacent area uplink and downlink timeslot configuration information that neighbor base station is sent is received.
When it is implemented, in eIMTA scenes, eNB (base station) can be adjusted according to the information such as uplink and downlink business proportion dynamic
Whole uplink and downlink timeslot proportioning.Specifically, eNB passes through DCI (Downlink Control Information, Downlink Control Information)
The uplink and downlink timeslot configuration that notice UE (User Equipment, user terminal) is used, the most short adjustment time that can be supported
For 10ms.Meanwhile under eIMTA scenes, uplink and downlink timeslot is solved using reference configuration (reference configuration)
HARQ (Hybrid Automatic Repeat Request, hybrid automatic repeat-request) sequential caused by proportioning quickly adjusts
Problem, (System Information Block1, system information block 1, SIB1 is for describing cell access using SIB1 by eNB
Relevant information) in TDD UL/DL configuration (configuration of time division duplex uplink and downlink timeslot) information as UL
Reference configuration (uplink physical channel configuration) use high-level signaling notice DL reference UL/DL
Configuration (configuration of descending reference uplink and downlink timeslot).In general, the TDD UL/DL in SIB1
The downlink subframe of configuration cannot act as flexible sub-frame, i.e. downlink subframe in TDD UL/DL configuration
It is changeless, the sub-frame of uplink of DL reference UL/DL configuration cannot act as flexible sub-frame, i.e. DL
Sub-frame of uplink in reference UL/DL configuration is changeless.
Based on this, in the embodiment of the present invention, the uplink and downlink timeslot configuration information of adjacent area includes the TDD UL/ in the SIB1 of adjacent area
DL configuration information and DL reference UL/DL configuration information.When it is implemented, adjacent area base
The above-mentioned uplink and downlink timeslot configuration information in this base station can be notified by X2 interface by standing.
S32, notice local area terminal blind examination relevant information.
Wherein, blind examination relevant information is what this base station was determined according to adjacent area uplink and downlink timeslot configuration information.
In the embodiment of the present invention, this base station can be, but not limited to determine the blind examination phase of local area terminal according to following two modes
Close information：Mode one, network side are directly sent to terminal using adjacent area uplink and downlink timeslot configuration information as blind examination relevant information, by
Terminal determines the subframe type of adjacent area subframe according to adjacent area uplink and downlink timeslot configuration information, so that it is determined which subframe needs blind examination
Which subframe can not have to blind examination；Mode two determines that adjacent area is every respectively by network side according to adjacent area uplink and downlink timeslot configuration information
The subframe type of one subframe, wherein subframe type may include：Sub-frame of uplink, downlink subframe, special subframe and UNKNOWN TYPE
Frame, network side notify the subframe type information of each subframe in terminal adjacent area, terminal straight according to the subframe type information of adjacent area subframe
Connect determine that subframe need blind examination (UNKNOWN TYPE subframe needs blind examination), compared with mode one, in mode two terminal without pair
Blind examination relevant information, which carries out processing, can directly determine and need that subframe of blind examination, so as to further save the processing of terminal
Resource.Introduce it individually below：
Mode one,
This base station determines TDD UL/DL configuration information and DL reference UL/DL in the SIB1 of adjacent area
Configuration information is blind examination relevant information, directly notifies the TDD UL/DL in terminal adjacent area SIB1
Configuration information and DL reference UL/DL configuration information so that terminal is according in SIB1
Which TDD UL/DL configuration information and DL reference UL/DL configuration information can determine
The subframe type of subframe is sub-frame of uplink, and the subframe type of which subframe is downlink subframe or the subframe type of which subframe
Can not determine that the subframe type of i.e. subframe is unknown for the subframe type of special subframe or which subframe, in this way, terminal into
When row blind examination, it is only necessary to the subframe of blind examination UNKNOWN TYPE, for certain type of subframe without carrying out blind examination, so as to
The complexity of terminal blind examination is reduced, terminal processes resource is saved.
Mode two, this base station are to the TDD UL/DL configuration information and DL in the adjacent area SIB1 that receives
Reference UL/DL configuration information is handled, and local area is notified using handling result as blind examination relevant information
Terminal.
For example, this base station can be according to the TDD UL/DL configuration information and DL in the SIB1 of adjacent area
Reference UL/DL configuration information determines the subframe type of each subframe in adjacent area, and use and terminal respectively
The subframe type of each subframe in adjacent area is sent to terminal by the mode arranged in advance.
Specifically, this base station can be, but not limited to notify the son of each subframe in local area terminal adjacent area by following two modes
Frame type：
Mode one, base station indicate the subframe type of adjacent area subframe using 2 bits.For example, base station and terminal are in advance about
Fixed " 00 " indicates that UNKNOWN TYPE subframe, " 01 " indicate that downlink subframe (D), " 10 " indicate that sub-frame of uplink (U), " 11 " indicate special son
Frame (S).It includes 10 subframes altogether to each radio frames, and therefore, base station indicates the son of each subframe successively using 20 bits altogether
Frame type.Such as：01 11 10 10 10 01 11 10 10 10 indicate subframe numbers be 0,1,2 ... ... 9 corresponding sons
Frame type is：Downlink subframe, special subframe, sub-frame of uplink, sub-frame of uplink, sub-frame of uplink, downlink subframe, special subframe, uplink
Subframe, sub-frame of uplink, sub-frame of uplink.
Mode two, base station and terminal agreement use " D " to indicate that downlink subframe, " U " indicate that sub-frame of uplink, " S " indicate special
Subframe, " F " indicate UNKNOWN TYPE.9 corresponding subframe classes that DSUUU DSUUU indicate that subframe numbers are 0,1,2 ... ...
Type is：Downlink subframe, special subframe, sub-frame of uplink, sub-frame of uplink, sub-frame of uplink, downlink subframe, special subframe, sub-frame of uplink,
Sub-frame of uplink, sub-frame of uplink.
Terminal carries out blind examination after the blind examination relevant information for receiving network side transmission, according to the instruction of network side.Tool
Body, as shown in figure 4, implementing the implementation process diagram of the method for network assistance terminal blind examination, including following step for end side
Suddenly：
S41, terminal receive the blind examination relevant information that network side is sent.
Wherein, blind examination relevant information is that network side is determined according to the adjacent area uplink and downlink timeslot configuration information that neighbor base station is sent
Go out, the method that specific method of determination may refer to the network assistance terminal blind examination that above-mentioned network side is implemented, which is not described herein again.
S42, terminal determine the adjacent area subframe of UNKNOWN TYPE according to blind examination relevant information, and in the adjacent area subframe of UNKNOWN TYPE
Upper carry out blind examination.
When it is implemented, since network side determines blind examination relevant information, there are two types of realization methods, correspondingly, network side notifies
The blind examination relevant information of terminal includes following two：1) blind examination relevant information is the TDD UL/DL in the SIB1 of adjacent area
Configuration information and DL reference UL/DL configuration information；2) blind examination relevant information is network
The subframe type information for each subframe in adjacent area that side is determined.
When it is implemented, if the blind examination relevant information of network side notice is the TDD UL/DL in the SIB1 of adjacent area
When configuration information and DL reference UL/DL configuration information, then terminal is firstly the need of basis
TDD UL/DL configuration information in the SIB1 of adjacent area and DL reference UL/DL configuration information
Determine the subframe type of each adjacent area subframe, wherein subframe type includes sub-frame of uplink, downlink subframe, special subframe and unknown class
Type subframe, terminal carries out blind examination for the adjacent area subframe of wherein UNKNOWN TYPE, to determine the subframe type of the subframe, if it is under
Row subframe then needs to carry out interference deletion.If it is sub-frame of uplink or special subframe, then interference deletion need not be carried out.If
Network side notifies that the blind examination relevant information of terminal is the subframe type information of each subframe in adjacent area, then terminal is directly every according to adjacent area
The subframe type information of one subframe determines the adjacent area subframe of UNKNOWN TYPE, and carries out blind examination in the adjacent area subframe of UNKNOWN TYPE and be
Can, to determine the subframe type of the subframe, then need to carry out interference deletion if it is downlink subframe.
Embodiment in order to better understand the present invention, below in conjunction with the specific specific implementation implemented to the embodiment of the present invention
Process illustrates.
As shown in Figure 5 a, it is the first adjacent area uplink-downlink configuration information schematic diagram.Neighbor base station notifies this base station adjacent area
Uplink and downlink timeslot configuration information is as follows：" the TDD UL/DL configuration in SIB1 are config#1, the DL of adjacent area
Reference UL/DL configuration are config#2 ".
By taking base station directly notifies the time slot configuration information of property up and down of terminal adjacent area as an example, this base station notifies local area UE：It is " adjacent
TDD UL/DL configuration in the SIB1 in area are config#1, the DL reference UL/DL of adjacent area
Configuration is config#2 ".Terminal is after receiving above-mentioned uplink and downlink timeslot configuration information, due in SIB1
Downlink subframe in TDD UL/DL configuration is fixed, DL reference UL/DL configuration
Sub-frame of uplink be it is fixed, therefore, neighbor base station in adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning when, can only
It is fixed and DL reference UL/DL from the descending time slot in the TDD UL/DL configuration met in SIB1
It is selected in the fixed time slot configuration of ascending time slot of configuration, that is, it is downlink subframe and No. #7 to meet #4, #9 work song frame
Subframe be sub-frame of uplink time slot configuration in select, according to table 1 it is found that meet the condition only configuration #1 and configuration #2 (figure
Two configurations in 5a in black dotted lines frame), that is to say, that even if neighbor base station is adjacent area terminal dynamic adjustment uplink and downlink timeslot
Proportioning, also can only two of #2 configurations of option and installment #1 and configuration, compare configuration #1 and configuration #2 it is found that subframe numbers are #4, #
6, the subframe type of the subframe of #7 and #9 is to determine, wherein #4 is downlink subframe, #6 is special subframe, #7 is sub-frame of uplink
And #9 is downlink subframe, and it is also likely to be downlink subframe that #3 subframes and #8 subframes, which may be sub-frame of uplink, therefore, terminal
It needs to carry out blind examination to #3 subframes and #8 subframes to determine whether it is downlink subframe, it is blind to greatly reduce terminal as a result,
The complexity of inspection has saved terminal processes resource.
By taking the subframe type of this base station notice local area terminal adjacent area subframe as an example, this base station determines each subframe in adjacent area first
Corresponding subframe type, it is similar with foregoing description, due to the downlink subframe in the TDD UL/DL configuration in SIB1
Be it is fixed, the sub-frame of uplink of DL reference UL/DL configuration be it is fixed, therefore, neighbor base station for
It, can only be from the TDD UL/DL met in SIB1 when terminal dynamic adjustment uplink and downlink timeslot in adjacent area matches
Descending time slot in configuration is that fixed and DL reference UL/DL configuration ascending time slot is solid
Selected in fixed time slot configuration, that is, it is downlink subframe to meet #4, #9 work song frame, and #7 be sub-frame of uplink time slot configuration in select
It selects, according to table 1 it is found that meeting the only configuration #1 of the condition and configuring #2 (two configurations in Fig. 5 a in black dotted lines frame),
Can only option and installment #1 and configuration # if that is even if neighbor base station is adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning
2 two configurations compare configuration #1 and configure #2 it is found that the subframe type that subframe numbers are the subframe of #4, #6, #7 and #9 is true
Fixed, #4 is downlink subframe, #6 is special subframe, #7 is sub-frame of uplink and #9 is downlink subframe, and #3 subframes and #8 subframes
May be sub-frame of uplink it is also likely to be downlink subframe, therefore, base station can use following either type notice terminal adjacent area
The subframe type information " 01 11 10 00 01 01 11 10 00 01 " of frame or " DSUFDDSUFD ".Specifically, base station can
To carry the subframe type information of adjacent area subframe in the signaling with terminal interaction.The adjacent area subframe that terminal is notified according to base station
Subframe type information carries out blind examination, to determine whether it is downlink subframe in #3 subframes, #8 subframes.
As shown in Figure 5 b, it is second of adjacent area uplink-downlink configuration information schematic diagram.Neighbor base station notifies this base station adjacent area
Uplink and downlink timeslot configuration information is as follows：" the TDD UL/DL configuration in SIB1 are config#0, the DL of adjacent area
Reference UL/DL configuration are config#2 ".
By taking base station directly notifies the time slot configuration information of property up and down of terminal adjacent area as an example, this base station notifies local area UE：It is " adjacent
TDD UL/DL configuration in the SIB1 in area are config#0, the DL reference UL/DL of adjacent area
Configuration is config#2 ".Terminal is after receiving above-mentioned uplink and downlink timeslot configuration information, due in SIB1
Downlink subframe in TDD UL/DL configuration is fixed, DL reference UL/DL configuration
Sub-frame of uplink be it is fixed, therefore, neighbor base station in neighbour terminal dynamic adjustment uplink and downlink timeslot proportioning when, Zhi Nengcong
It is fixed and DL reference UL/DL to meet the descending time slot in the TDD UL/DL configuration in SIB1
It is selected in the fixed time slot configuration of ascending time slot of configuration, that is, meets the time slot configuration that #7 subframes are sub-frame of uplink
Middle selection, according to table 1 it is found that meet the condition have configuration #0, #1, #2 and #6 (four in Fig. 5 b in black dotted lines frame are matched
Set), that is to say, that even if neighbor base station can only be in configuration #0, configuration # if being adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning
1, it configures and is selected in #2 and configuration #6, compare configuration #0, configuration #1, configuration #2 and configure #6 it is found that subframe numbers are the son of #6, #7
What the subframe type of frame was to determine, #6 is special subframe, #7 is sub-frame of uplink, and #3 subframes, #4 subframes, #8 subframes and #9 subframes
Both may be sub-frame of uplink it is also likely to be downlink subframe, therefore, terminal is needed to #3 subframes, #4 subframes, #8 subframes and #9 subframes
Blind examination is carried out to determine whether it is downlink subframe, 6 subframes of blind examination is needed compared to terminal, reduces the complexity of terminal blind examination
Degree, has saved terminal processes resource.
By taking the subframe type of this base station notice local area terminal adjacent area subframe as an example, this base station determines each subframe in adjacent area first
Corresponding subframe type, it is similar with foregoing description, due to the downlink subframe in the TDD UL/DL configuration in SIB1
Be it is fixed, the sub-frame of uplink of DL reference UL/DL configuration be it is fixed, therefore, neighbor base station for
It, can only be from the TDD UL/DL met in SIB1 when terminal dynamic adjustment uplink and downlink timeslot in adjacent area matches
Descending time slot in configuration is that fixed and DL reference UL/DL configuration ascending time slot is solid
It is selected in fixed time slot configuration, that is, meets in the time slot configuration that #7 subframes are sub-frame of uplink and select, be somebody's turn to do according to table 1 it is found that meeting
Condition has configuration #0, #1, #2 and #6 (four configurations in Fig. 5 b in black dotted lines frame), that is to say, that even if neighbor base station
For adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning, can only also be selected in configuration #0, configuration #1, configuration #2 and configuration #6,
Compare configuration #0, configuration #1, configuration #2 and configures #6 it is found that the subframe type that subframe numbers are the subframe of #6, #7 is to determine, #6
Be sub-frame of uplink for special subframe, #7, and #3 subframes, #4 subframes, #8 subframes and #9 subframes both may be sub-frame of uplink may also
It is downlink subframe, therefore, base station can use the subframe type information " 01 11 of following either type notice terminal adjacent area subframe
10 00 00 01 11 10 00 00 " or " DSUFFDSUFF ".Specifically, base station can be in the signaling with terminal interaction
Carry the subframe type information of adjacent area subframe.The subframe type information for the adjacent area subframe that terminal is notified according to base station, in #3
Blind examination is carried out in frame, #4 subframes, #8 subframes and #9 subframes, whether is downlink subframe with each subframe of determination.
As shown in Figure 5 c, it is the third adjacent area uplink-downlink configuration information schematic diagram.Neighbor base station notifies this base station adjacent area
Uplink and downlink timeslot configuration information is as follows：" the TDD UL/DL configuration in SIB1 are config#0, the DL of adjacent area
Reference UL/DL configuration are config#4 ".
By taking base station directly notifies the time slot configuration information of property up and down of terminal adjacent area as an example, this base station notifies local area UE：It is " adjacent
TDD UL/DL configuration in the SIB1 in area are config#0, the DL reference UL/DL of adjacent area
Configuration is config#4 ".Terminal is after receiving above-mentioned uplink and downlink timeslot configuration information, due in SIB1
Downlink subframe in TDD UL/DL configuration is fixed, DL reference UL/DL configuration
Sub-frame of uplink be it is fixed, therefore, neighbor base station in adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning when, can only
It is fixed and DL reference UL/DL from the descending time slot in the TDD UL/DL configuration met in SIB1
It is selected in the fixed time slot configuration of ascending time slot of configuration, that is, meets the time slot that #3, #4 subframe are sub-frame of uplink and match
Middle selection is set, according to table 1 it is found that meeting having for the condition configures #0, #1, #3, #4 and #6 (in Fig. 5 c in black dotted lines frame
Five configurations), that is to say, that even if neighbor base station can only be in configuration # if being adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning
0, it configures and is selected in #1, configuration #3, configuration #4 and configuration #6, compare configuration #0, configuration #1, configuration #3, configuration #4 and configuration #6
It is found that the subframe type that subframe numbers are the subframe of #3 is to determine that #3 is sub-frame of uplink, and #4 subframes, #6 subframes, #7 subframes, #
It is also likely to be downlink subframe that 8 subframes and #9 subframes, which both may be sub-frame of uplink, and therefore, terminal is needed to #4 subframes, #6 subframes, #
7 subframes, #8 subframes and #9 subframes carry out blind examination to determine whether it is downlink subframe, need blind examination 6 compared to terminal as a result,
Subframe reduces the complexity of terminal blind examination, has saved terminal processes resource.
By taking the subframe type of this base station notice local area terminal adjacent area subframe as an example, this base station determines each subframe in adjacent area first
Corresponding subframe type, it is similar with foregoing description, due to the downlink subframe in the TDD UL/DL configuration in SIB1
Be it is fixed, the sub-frame of uplink of DL reference UL/DL configuration be it is fixed, therefore, neighbor base station for
It, can only be from the TDD UL/DL met in SIB1 when terminal dynamic adjustment uplink and downlink timeslot in adjacent area matches
Descending time slot in configuration is that fixed and DL reference UL/DL configuration ascending time slot is solid
It is selected in fixed time slot configuration, that is, meets in the time slot configuration that #3, #4 subframe are sub-frame of uplink and select, it is according to table 1 it is found that full
The foot condition has configuration #0, #1, #3, #4 and #6 (five configurations in Fig. 5 c in black dotted lines frame), that is to say, that even if
Neighbor base station is adjacent area terminal dynamic adjustment uplink and downlink timeslot proportioning, also can only be in configuration #0, configuration #1, configuration #3, configuration #4
It is selected in configuration #6, compare configuration #0, configuration #1, configuration #3, configuration #4 and configures #6 it is found that subframe numbers are the subframe of #3
What subframe type was to determine, #3 is sub-frame of uplink, and #4 subframes, #6 subframes, #7 subframes, #8 subframes and #9 subframes both may be
Sub-frame of uplink is also likely to be downlink subframe, and therefore, base station can use the subframe of following either type notice terminal adjacent area subframe
Type information " 01 11 10 10 00 01 00 00 00 00 " or " DSUUFDFFFF ".Specifically, base station can with end
Hold the subframe type information that adjacent area subframe is carried in the signaling of interaction.The subframe class for the adjacent area subframe that terminal is notified according to base station
Whether type carries out blind examination in #4 subframes, #6 subframes, #7 subframes, #8 subframes and #9 subframes, be downlink with each subframe of determination
Frame.
In the method for network assistance terminal blind examination provided in an embodiment of the present invention, base station is receiving neighbor base station transmission
After the uplink and downlink timeslot configuration information of adjacent area, it can directly send it to terminal and determine therefrom which son of blind examination needed by terminal
Frame can also be determined what which subframe distribution type was to determine first by base station, which subframe type is uncertain, and notifies end
The subframe type of each subframe is held, and terminal only needs to carry out blind examination for the uncertain subframe of subframe type, substantially reduces
The complexity of terminal blind examination, has saved the process resource of terminal.
It is whole that a kind of network assistance that network side is implemented also is each provided based on same inventive concept, in the embodiment of the present invention
Hold the device of blind examination and the device of the network assistance terminal blind examination of equipment and end side implementation and equipment and network assistance terminal
The system of blind examination, the principle solved the problems, such as due to above-mentioned apparatus, equipment and system and the network assistance terminal implemented with network side
The method of blind examination is similar with the method for the network assistance terminal blind examination that end side is implemented, therefore above-mentioned apparatus, equipment, that is, system
Implementation may refer to the implementation of method, and overlaps will not be repeated.
As shown in fig. 6, the structural representation of the device for the first network assistance terminal blind examination provided in an embodiment of the present invention
Figure, including：
Receiving unit 61, the adjacent area uplink and downlink timeslot configuration information for receiving neighbor base station transmission；
Notification unit 62, for notifying that local area terminal blind examination relevant information, the blind examination relevant information are according to the neighbour
Area's uplink and downlink timeslot configuration information is determined.
When it is implemented, blind examination relevant information is adjacent area uplink and downlink timeslot configuration information, adjacent area uplink and downlink timeslot matches confidence
Breath includes TDD UL/DL configuration information and DL reference UL/DL in the SIB1 of adjacent area
Configuration information.
Based on this, the notification unit 62 can be used for notifying the TDD UL/DL in local area terminal adjacent area SIB1
Configuration information and DL reference UL/DL configuration information.
When it is implemented, the device of the first network assistance terminal blind examination provided in an embodiment of the present invention, can also include
Determination unit, wherein：Determination unit can be used for according to the TDD UL/DL configuration letters in the adjacent area SIB1
Breath and DL reference UL/DL configuration information determine the subframe type of each subframe in adjacent area respectively；And really
The subframe type information for determining each subframe in adjacent area is the blind examination relevant information；The notification unit 62, be used for
The mode that local area terminal is arranged in advance, the subframe type for each subframe in adjacent area that notice local area terminal is determined.
For convenience of description, above each section is divided by function describes respectively for each module (or unit).Certainly, exist
Implement the function of each module (or unit) can be realized in same or multiple softwares or hardware when the present invention.
When it is implemented, the device of the first above-mentioned network assistance terminal blind examination can be arranged in a base station.
As shown in fig. 7, for the device of second of network assistance terminal blind examination provided in an embodiment of the present invention, including：
Receiving unit 71, the blind examination relevant information for receiving network side transmission；
Wherein, the blind examination relevant information is the adjacent area uplink and downlink timeslot configuration that the network side is sent according to neighbor base station
What information was determined.
Blind examination unit 72, the adjacent area subframe for determining UNKNOWN TYPE according to the blind examination relevant information, and in unknown class
Blind examination is carried out in the adjacent area subframe of type.
Wherein, uplink and downlink timeslot configuration information in adjacent area is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information.
If the blind examination relevant information that terminal receives is the TDD UL/DL configuration information in the SIB1 of adjacent area
With DL reference UL/DL configuration information, then blind examination unit 72 can be used for according in the SIB1 of adjacent area
TDD UL/DL configuration information and DL reference UL/DL configuration information determine unknown class
The adjacent area subframe of type；Blind examination is carried out in the adjacent area subframe for the UNKNOWN TYPE determined.
Preferably, blind examination relevant information can also be network side according to the TDD UL/DL in the adjacent area SIB1
The each subframe in adjacent area that configuration information and DL reference UL/DL configuration information are determined
Subframe type information, after receiving unit 71 receives blind examination relevant information, blind examination unit 72 can be used for every according to adjacent area
The subframe type information of one subframe determines the adjacent area subframe of UNKNOWN TYPE, and blind examination is carried out in the adjacent area subframe of UNKNOWN TYPE, with
Determine whether it is downlink subframe.
For convenience of description, above each section is divided by function describes respectively for each module (or unit).Certainly, exist
Implement the function of each module (or unit) can be realized in same or multiple softwares or hardware when the present invention.
When it is implemented, the device of the first above-mentioned network assistance terminal blind examination can be arranged in the terminal.
As shown in figure 8, for the system of network assistance terminal blind examination provided in an embodiment of the present invention, including base station 81 and end
End 82, wherein be provided with the first above-mentioned network assistance terminal blind examination device in base station 81, above-mentioned second is provided in terminal 82
Kind network assistance terminal blind examination device.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram
The combination of flow and/or box in flow and/or box and flowchart and/or the block diagram.These computers can be provided
Processor of the program instruction to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine so that the instruction executed by computer or the processor of other programmable data processing devices generates use
In the dress for realizing the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes
It sets.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (15)
1. a kind of method of network assistance terminal blind examination, which is characterized in that including：
Receive the adjacent area uplink and downlink timeslot configuration information that neighbor base station is sent；
Notify that local area terminal blind examination relevant information, the blind examination relevant information are according to the adjacent area uplink and downlink timeslot configuration information
It determines so that the terminal determines the adjacent area subframe of UNKNOWN TYPE according to the blind examination relevant information, and in UNKNOWN TYPE
Adjacent area subframe on carry out blind examination；
Wherein, when the adjacent area uplink and downlink timeslot configuration information includes the time division duplex uplink and downlink in the system information block SIB1 of adjacent area
Gap configures TDD UL/DL configuration information and the descending reference uplink and downlink timeslot for cell enhancing eIMTA is matched
Set DL reference UL/DL configuration information；
The blind examination relevant information is TDD UL/DL configuration information and DL in the adjacent area SIB1
Reference UL/DL configuration information；Alternatively, determining blind examination relevant information in accordance with the following methods：According to described
TDD UL/DL configuration information in the SIB1 of adjacent area and DL reference UL/DL configuration letters
Breath determines the subframe type of each subframe in adjacent area respectively；Determine that the subframe type information of each subframe in adjacent area is the blind examination phase
Close information.
2. the method as described in claim 1, which is characterized in that
Notify local area terminal blind examination relevant information, including：
Notify the TDD UL/DL configuration information in local area terminal adjacent area SIB1 and DL reference UL/DL
Configuration information.
3. the method as described in claim 1, which is characterized in that notice local area terminal blind examination relevant information, including：
Using the mode arranged in advance with local area terminal, the subframe type for each subframe in adjacent area that notice local area terminal is determined.
4. a kind of device of network assistance terminal blind examination, which is characterized in that including：
Receiving unit, the adjacent area uplink and downlink timeslot configuration information for receiving neighbor base station transmission；Wherein, the adjacent area uplink and downlink
Time slot configuration information includes the time division duplex uplink and downlink timeslot configuration TDD UL/DL in the system information block SIB1 of adjacent area
Configuration information and the descending reference uplink and downlink timeslot configuration DL reference for enhancing eIMTA for cell
UL/DL configuration information；
Notification unit, for notifying local area terminal blind examination relevant information, the blind examination relevant information be according to the adjacent area above and below
Row time slot configuration information is determined so that the terminal determines adjacent area of UNKNOWN TYPE according to the blind examination relevant information
Frame, and carry out blind examination in the adjacent area subframe of UNKNOWN TYPE；
Wherein, the blind examination relevant information is the adjacent area uplink and downlink timeslot configuration information；Alternatively,
Described device further includes determination unit, wherein：
The determination unit, for according to the TDD UL/DL configuration information and DL in the adjacent area SIB1
Reference UL/DL configuration information determines the subframe type of each subframe in adjacent area respectively；And determine that adjacent area is every
The subframe type information of one subframe is the blind examination relevant information.
5. device as claimed in claim 4, which is characterized in that
The notification unit, the TDD UL/DL configuration information being specifically used in notice local area terminal adjacent area SIB1
With DL reference UL/DL configuration information.
6. device as claimed in claim 4, which is characterized in that
The notification unit, specifically for using the mode arranged in advance with local area terminal, the neighbour that notice local area terminal is determined
The subframe type of each subframe in area.
7. a kind of base station, which is characterized in that including the device described in claim 4,5 or 6.
8. a kind of method of network assistance terminal blind examination, which is characterized in that including：
Receive the blind examination relevant information that network side is sent；The blind examination relevant information is that the network side is sent according to neighbor base station
Adjacent area uplink and downlink timeslot configuration information determine；The adjacent area uplink and downlink timeslot configuration information is the TDD in the SIB1 of adjacent area
UL/DL configuration information and DL reference UL/DL configuration information；The blind examination correlation letter
Breath is TDD UL/DL configuration information and DL reference UL/DL in the adjacent area SIB1
Configuration information；Alternatively, the blind examination relevant information be the network side according to the TDD in the adjacent area SIB1
The adjacent area that UL/DL configuration information and DL reference UL/DL configuration information are determined is each
The subframe type information of subframe；
The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, and is carried out in the adjacent area subframe of UNKNOWN TYPE blind
Inspection.
9. method as claimed in claim 8, which is characterized in that determine the adjacent area of UNKNOWN TYPE according to the blind examination relevant information
Subframe, including：
According to the TDD UL/DL configuration information and DL reference UL/DL in the adjacent area SIB1
Configuration information determines the adjacent area subframe of UNKNOWN TYPE.
10. method as claimed in claim 8, which is characterized in that
The adjacent area subframe of UNKNOWN TYPE is determined according to the blind examination relevant information, including：
The adjacent area subframe of UNKNOWN TYPE is determined according to the subframe type information of each subframe in adjacent area.
11. a kind of device of network assistance terminal blind examination, which is characterized in that including：
Receiving unit, the blind examination relevant information for receiving network side transmission；The blind examination relevant information is the network lateral root
What the adjacent area uplink and downlink timeslot configuration information sent according to neighbor base station was determined；The adjacent area uplink and downlink timeslot configuration information is neighbour
TDD UL/DL configuration information in area SIB1 and DL reference UL/DL configuration information；
The blind examination relevant information is TDD UL/DL configuration information and DL reference in the adjacent area SIB1
UL/DL configuration information；Alternatively, the blind examination relevant information be the network side according in the adjacent area SIB1
The adjacent area that TDD UL/DL configuration information and DL reference UL/DL configuration information are determined
The subframe type information of each subframe；
Blind examination unit, the adjacent area subframe for determining UNKNOWN TYPE according to the blind examination relevant information, and in the neighbour of UNKNOWN TYPE
Blind examination is carried out in area's subframe.
12. device as claimed in claim 11, which is characterized in that
The blind examination unit is specifically used for according to the TDD UL/DL configuration information and DL in the adjacent area SIB1
Reference UL/DL configuration information determines the adjacent area subframe of UNKNOWN TYPE.
13. device as claimed in claim 11, which is characterized in that
The blind examination unit, specifically for determining adjacent area of UNKNOWN TYPE according to the subframe type information of each subframe in adjacent area
Frame.
14. a kind of terminal, which is characterized in that including claim 11,12 or 13 described devices.
15. a kind of system of network assistance terminal blind examination, which is characterized in that including base station and terminal, wherein set in the base station
It is equipped with the device described in claim 4,5 or 6, claim 11,12 or 13 described devices are provided in the terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390066.6A CN105338543B (en) | 2014-08-08 | 2014-08-08 | Method, apparatus, system and the relevant device of network assistance terminal blind examination |
| PCT/CN2015/080380 WO2016019750A1 (en) | 2014-08-08 | 2015-05-29 | Method, apparatus and system for network-assisted terminal blind detection, and related device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390066.6A CN105338543B (en) | 2014-08-08 | 2014-08-08 | Method, apparatus, system and the relevant device of network assistance terminal blind examination |
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| CN105338543B true CN105338543B (en) | 2018-09-04 |
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| CN108322892B (en) * | 2017-01-18 | 2021-04-20 | 成都鼎桥通信技术有限公司 | MBSFN (multicast broadcast single frequency network) area configuration information transmission method, device and system |
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| WO2016019750A1 (en) | 2016-02-11 |
| CN105338543A (en) | 2016-02-17 |
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