CN106411492B - A kind of SRS resource configuration method and device - Google Patents
A kind of SRS resource configuration method and device Download PDFInfo
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- CN106411492B CN106411492B CN201611070693.7A CN201611070693A CN106411492B CN 106411492 B CN106411492 B CN 106411492B CN 201611070693 A CN201611070693 A CN 201611070693A CN 106411492 B CN106411492 B CN 106411492B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000013507 mapping Methods 0.000 claims description 16
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- 230000007717 exclusion Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000004590 computer program Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
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- 230000008569 process Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013468 resource allocation Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
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- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The present invention discloses a kind of configuration of SRS resource and device, this method comprises: determining the PCI value of first community, the first community is any one cell in target network covering system；3 operation of mould is carried out to the PCI value of the first community, 3 value of PCI mould of the first community is obtained, according to 3 value of PCI mould of the first community, determines SRS resource subset corresponding to the first community；SRS resource in the SRS resource subset is allocated to the terminal being linked into the first community, so that the SRS resource that the terminal in the adjacent area of SRS resource and first community that the terminal in the first community accesses accesses is mutually orthogonal, to realize SRS resource mutual exclusion configures between neighboring community purpose.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of SRS resource configuration method and devices.
Background technique
Currently, the location technology of terminal increasingly attracts much attention in mobile communications network, based on location-based service
Using flourishing, different social sectors, such as navigation Service, location push and association search, big data row are penetrated into
For etc., in data age, will be cut a conspicuous figure by the derivative various information service come of location information, this will further highlight positioning
The importance of technology.
Currently, in cell combining system covering application, since a cell is by a baseband processing unit and multiple to penetrate
Frequency extension unit composition, therefore in continuous a piece of on each MPS process, baseband processing unit is receiving the end in this cell
Other are also had received while uplink SRS (Sounding Reference Signal, the Sounding Reference Signal) signal at end
The uplink SRS signal of cell terminal, when the terminal in different community is assigned identical SRS resource, baseband processing unit institute
Received uplink SRS signal will have interference, and this phenomenon is referred to as the pilot pollution problem.Fig. 1 gives pilot pollution
Schematic diagram, including terminal 103 and terminal 104, baseband processing unit 101 and baseband processing unit 102, terminal 103 and terminal 104
It is respectively at different cells, terminal 103 is identical with the SRS resource that terminal 104 is assigned, and baseband processing unit 101 is caused to connect
The uplink SRS signal of this cell terminal 103 is had received, meanwhile, also receive the uplink SRS signal of adjacent area terminal 104, therefore base
The uplink SRS signal for the terminal 103 that tape handling unit 101 receives just receives interference, makes baseband processing unit later use
The accuracy that the uplink SRS signal does signal processing is greatly lowered, to can not carry out accurately determining to the terminal in cell
Position.Therefore must satisfy the requirement of SRS resource configuration mutual exclusion between neighboring community, just it is avoided that the SRS signal superposition of different community
Cause to interfere, however, current SRS resource configuration is mainly each cell separate configurations, such method is mainly considered how sufficiently
The purpose of SRS mutual exclusion configuration using the SRS resource in either own cell, therefore between being unable to reach neighboring community, therefore to small
Terminal is accurately positioned in area, how to be realized the problem of SRS resource mutual exclusion configuration is urgent need to resolve between neighboring community.
Summary of the invention
The embodiment of the present invention provides a kind of SRS resource configuration method and device, mutual to SRS resource between realizing neighboring community
Denounce the purpose of configuration.
The method of the present invention includes a kind of Sounding Reference Signal SRS resource distribution method, this method comprises:
Determine that the Physical Cell Identifier PCI value of first community, the first community are appointing in target network covering system
It anticipates a cell；
3 operation of mould is carried out to the PCI value of the first community, obtains 3 value of PCI mould of the first community；
According to 3 value of PCI mould of the first community, SRS resource subset corresponding to the first community is determined, it is described
SRS resource subset belongs to the part resource of the SRS resource for the cell configuration in target network covering system in advance；
SRS resource in the SRS resource subset is allocated to the terminal being linked into the first community, so that described
The SRS resource of the terminal access in the SRS resource of terminal access and the adjacent area of first community in first community is mutually orthogonal.
Based on same inventive concept, the embodiment of the present invention further provides a kind of SRS resource distributor, the device
Include:
PCI unit is determined, for determining that the Physical Cell Identifier PCI value of first community, the first community are target network
Any one cell in network covering system；
Arithmetic element carries out 3 operation of mould for the PCI value to the first community, obtains the PCI mould of the first community
3 values；
It determines SRS resource unit, for 3 value of PCI mould according to the first community, determines corresponding to the first community
SRS resource subset, the SRS resource subset belongs in advance for the SRS resource of the cell configuration in target network covering system
Part resource；
Configuration unit is linked into the first community for the SRS resource in the SRS resource subset to be allocated to
Terminal, so that the SRS money that the terminal in the adjacent area of SRS resource and first community that the terminal in the first community accesses accesses
Source is mutually orthogonal.
One side of embodiment of the present invention base station first determines the PCI value of three neighboring communities in target zone, then right
The PCI value of three neighboring communities carries out 3 operation of mould, 3 value 0,1,2 of PCI mould of each cell is obtained, because having pre-established PCI
The mapping relations of mould 3 value and SRS resource subset, therefore according to 3 value of PCI mould of cell, it can determine corresponding to each cell
SRS resource subset, thus the SRS resource in SRS resource subset can be allocated to the end being linked into corresponding cell
End guarantees that the SRS resource of the terminal access in three neighboring communities is mutually orthogonal, so that the terminal in three neighboring communities reports
Uplink SRS signal will not occur superposition interference, therefore base station can use the SRS signal that receives cell terminal is carried out it is quasi-
Determine position.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of pilot pollution schematic diagram in the prior art；
Fig. 2 is a kind of schematic diagram of Comb Pilot in the prior art；
Fig. 3 is a kind of SRS resource configuration method flow diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of SRS resource schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of SRS resource configuration method schematic diagram for three cells provided in an embodiment of the present invention；
Fig. 6 is a kind of SRS resource configuration device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Various aspects are described herein in connection with terminal and/or base station.Terminal refers to and provides a user voice and/or data
The equipment (device) of connectivity, including wireless terminal or catv terminal.Wireless terminal can be with wireless connecting function
Handheld device or other processing equipments for being connected to radio modem, through wireless access network and one or more cores
The mobile terminal that net is communicated.For example, wireless terminal can be mobile phone (or being " honeycomb " phone) and have movement
The computer of terminal.For another example, wireless terminal be also possible to portable, pocket, hand-held, built-in computer or it is vehicle-mounted
Mobile device.For another example, wireless terminal can for movement station (English are as follows: mobile station), access point (English are as follows:
Access point) or user equipment (English are as follows: user equipment, abbreviation UE) a part.
In the prior art, in time division duplex (Time Division Dulplexing, abbreviation TDD) system, uplink letter
Road and down channel have symmetry characteristic.Therefore, base station can be equivalent by the uplink channel information that uplink channel estimation obtains
For required descending channel information.In order to assist uplink channel estimation, terminal is in up channel launch channel detection reference signal
(Sounding Reference Signal, SRS), the Sounding Reference Signal are generated using specific pseudo-random sequence,
Such as Zadoff-Chu (ZC) sequence, and the known sequence in terminal and base station generates information.Uplink sends ZC sequence
Afterwards, base station carries out coherent detection and demodulation to received signal sequence using corresponding ZC sequence, estimates up channel
CSI (Channel State Information, channel status symbol).Using obtained CSI, base station can carry out pre-
The MIMO signals processing operation such as coding, beam shaping, with the spectrum efficiency of lifting system.Due to the quantity of orthogonal pseudo-random sequence
It is limited, therefore it is completely orthogonal not can guarantee the pseudo-random sequence that different terminals are distributed.In this regard, base station uses the side of a variety of multiplexings
Formula is terminal distribution SRS resource.SRS resource mapping and distribution method are one of design problems important in practical communication system.
3G (Third Generation) Moblie partner program (3rd Generation Partnership Project, referred to as 3GPP) is formulated
The corresponding long term evolution (Long of Evolved Universal Terrestrial Radio Access (E-UTRA) agreement
Term Evolution, referred to as LTE) system has corresponding SRS resource to map and distribution method.Specifically, SRS resource
Refer to pseudo-random sequence used by SRS, specially sends frequency domain, time domain, the code domain resource etc. of SRS.For example, frequency domain multiplexing side
Method includes Comb Pilot, frequency hopping etc., code domain multiplexing method include to same pseudo-random sequence by different cyclic shifts (CS,
Cyclic shift) generate multiple pseudo-random sequences etc..
Fig. 2 gives a kind of schematic diagram of Comb Pilot, and in a time slot, odd subcarriers resource allocation is to terminal 1
SRS1 is sent, even subcarriers resource allocation sends SRS2 to terminal 2, and wherein SRS1 and SRS2 can be same pseudo-random sequence
Column.Although SRS resource can be multiplexed, LTE system still has the situation of SRS resource shortage.For example, in the same time slot,
The at most SRS transmitting for supporting 16 filled bands wide, the difference puppet for corresponding to 2 Comb Pilots and being generated by 8 different CS
Random sequence.In the same cell, base station is that different terminals distribute orthogonal SRS resource, and thus terminal is sent out in uplink
When penetrating SRS, the SRS from different terminals that base station receives be it is orthogonal, obtained so that base station can do correct channel estimation
To the CSI of uplink.However, the terminal distribution of different community to SRS resource may be it is non-orthogonal, i.e., generation SRS money
The case where source conflicts.For example, on same running time-frequency resource, pseudorandom sequence used by the SRS of the different community distribution of LTE system
Column are to adjust CS according to different ZC root sequences to obtain.Although same ZC root sequence by different CS adjustment after be it is orthogonal,
It is by the pseudo-random sequence that different ZC root sequences obtain is non-orthogonal.Also, the distribution and cell of different community root sequence
Number (cell id) is related.Therefore, the SRS resource of different community is non-orthogonal.
For this purpose, the embodiment of the present invention is when configuring SRS resource for different community, it is regular by different community according to setting
SRS resource is configured to mutually orthogonal resource, and this makes it possible to avoid the uplink SRS signal of the terminal from different community mutual
Interference, specifically, as described in Figure 3, the embodiment of the present invention provides a kind of SRS resource configuration method flow diagram, specifically real
Now method includes:
Step S301 determines Physical Cell Identifier PCI (Physical Cell Identifier) value of first community, institute
Stating first community is any one cell in target network covering system；
Step S302 carries out 3 operation of mould to the PCI value of the first community, obtains 3 value of PCI mould of the first community；
Step S303 determines of SRS resource corresponding to the first community according to 3 value of PCI mould of the first community
Collection, the SRS resource subset belong to the part resource of the SRS resource for the cell configuration in target network covering system in advance；
SRS resource in the SRS resource subset is allocated to the end being linked into the first community by step S304
End, so that the SRS resource that the terminal in the adjacent area of SRS resource and first community that the terminal in the first community accesses accesses
It is mutually orthogonal.
It should be noted that the first community mentioned in the embodiment of the present invention refers to wherein one in network overlay system
A cell is that one kind refers to, and adjacent area is then cell that is adjacent with first community position or may interfering, or is passed through
Interference level etc. determines adjacent category relationship.PCI is the Physical Cell Identifier of LTE network, for distinguishing the wireless communication of different community
Number, value range is 0~503, its calculation formula is: PCI=PSS (Primary Synchronization Signal, it is main same
Walk signal)+3*SSS (Secondary Synchronization Signal, secondary synchronization signal), the value range of PSS is 0~
2, SSS value range is that there are three types of results 0,1,2 for 0~167, PCI mould, 3 value, and the PCI value of neighboring community is different, and phase
3 value of PCI mould of adjacent cell is also different.
Before executing step 301, the SRS resource is divided into several SRS resource subsets, wherein the SRS money
The number of source subset is not less than three；Any three SRS resource subsets of selection and 3 value of PCI mould are established into mapping relations.
That is, it is assumed that three neighboring community's numbers are determined in base station out of covering target zone, then base station can be pre-
SRS resource to be allocated is first divided into SRS resource subset 1, SRS resource subset 2, SRS resource subset 3 these three subsets, and
And an integer value mark is generated for each subset, such as the integer value mark of SRS resource subset 1 is 0, SRS resource subset 2
Integer value mark is 1, and the integer value mark of SRS resource subset 3 is 2, establishes reflecting about SRS resource subset and integer value mark
Related table is penetrated, as shown in Table 1.
Table one:
| SRS resource subset | Integer value |
| SRS resource subset 1 | 0 |
| SRS resource subset 2 | 1 |
| SRS resource subset 3 | 2 |
After establishing above-mentioned mapping relations, according to the mapping relations of foundation, determination is corresponding with 3 value of PCI mould
SRS resource subset.Such as the PCI of first community, after 3 operation of mould, obtained 3 value of PCI mould is 1, it is possible to be utilized
Mapping relations determine SRS resource subset according to integer value, it is thus determined that the corresponding SRS resource subset of cell, such as PCI mould 3
Value is 1 corresponding integer value 1, then determines SRS resource subset 2 according to integer value 1, therefore first community corresponds to SRS resource
Collection 2.
Further, Fig. 4 gives the schematic diagram of 2 period SRS resources, and the SRS resource in a cycle includes resource
0, resource 1, resource 2, resource 3, resource 4, resource 5, resource 6, resource 7, wherein these resources are orthogonal resources, and BBU is pre-
These resources are first divided into 4 subsets, each subset includes two resources, i.e. SRS resource subset 1 includes resource 0, resource 1,
SRS resource subset 2 includes resource 2, resource 3, and SRS resource subset 3 includes resource 4, resource 5, and SRS resource subset 4 includes resource
6, resource 7.Combination of embodiment of the present invention Fig. 5 is illustrated above-mentioned SRS resource configuration method, and specifically, the network in Fig. 5 covers
Convering system includes three cells, is cell 0, cell 1, cell 2 respectively, wherein the PCI value of three neighboring communities is different, and PCI
3 value of mould is 0,1,2 also different respectively.
Step a, BBU (Building Base band Unit, baseband processing unit) obtain cell 0, cell 1, cell 2
PCI value, then to each PCI value carry out 3 operation of mould, obtained operation result is respectively 0,1,2.
Step b, because BBU pre-establishes following mapping relations, the integer value mark of SRS resource subset 1 is 0, SRS resource
The integer value mark of subset 2 is 1, and the integer value mark of SRS resource subset 3 is 2, and the integer value mark of SRS resource subset 4 is 0.
So base station by SRS resource subset 1 resource 0 and resource 1 be allocated to cell 0, by 2 He of resource in SRS resource subset 2
Resource 3 is allocated to cell 1, by SRS resource subset 3 resource 4 and resource 5 be allocated to cell 2.
Step c, cell 0, cell 1, the RRU in cell 2 are respectively by the resource allocation in each subset in either own cell
Terminal, because the resource of different subsets is different, the SRS resource of the terminal access in different community is mutually orthogonal.
It is configured from the present invention as can be seen that can be seen that from above-mentioned steps using SRS resource provided in an embodiment of the present invention
Strategy, it is ensured that the SRS resource of three cells does not overlap, and realizes SRS resource mutual exclusion configuration, is thus multi-cell coordination
The SRS signal for detecting terminal in each cell provides technical support, and there is no dry for the measurement of cell coordination position fixing process SRS signal
A possibility that disturbing, guaranteeing multi-cell coordination positioning, so as to multi-plot joint positioning terminal.
Further, receiving operation and maintenance OAM (Operation and Maintenance) and issue is described first
The stand-by PCI of cell distribution, wherein the stand-by PCI includes primary PCI and at least one spare PCI, primary PCI and standby
Refer to the PCI not used by adjacent area with PCI；Determine whether the primary PCI can be used, if available, using the primary PCI as
The currently used PCI of the cell, if unavailable, choose a PCI from the spare PCI currently makes as the cell
PCI.Wherein it is determined that the whether available method of primary PCI is to judge whether the primary PCI meets Lothrus apterus item
Part, if so, determining that the primary PCI is available, otherwise, it determines unavailable for the primary PCI, wherein the Lothrus apterus
Condition refers to that the PCI that any two cell in target network covering system uses is different.
That is, OAM entity is that each cell of this base station distributes one in scheme provided in an embodiment of the present invention
Primary PCI and at least one spare PCI, and primary PCI and spare PCI are not by the cell use of same frequency adjacent base station and not by this
The PCI distributed for each cell of this base station is handed down to this base station, Ben Ji by the PCI that other cells of base station use, OAM entity
It stands and is preferentially chosen for the PCI that the primary PCI of cell distribution is used as the cell, if primary PCI is unavailable, from spare PCI
The middle PCI for choosing an available PCI and being used as the cell.In the present solution, since OAM entity is the small differentiation in each of this base station
With a primary PCI and at least one spare PCI, a PCI is distributed without being merely cell, it is once subsequent so as to avoid
One PCI of process discovery distribution is unavailable, needs the problem of redistributing PCI, and then improve the allocative efficiency of PCI.
Based on the same technical idea, the embodiment of the present invention also provides a kind of SRS resource configuration device, and the device is executable
Above method embodiment, the device can integrate in baseband processing unit or base station.Device provided in an embodiment of the present invention is such as
Shown in Fig. 6, comprising: determine PCI unit 401, arithmetic element 402, determine SRS resource unit 403, configuration unit 404, in which:
PCI unit 401 is determined, for determining that the Physical Cell Identifier PCI value of first community, the first community are target
Any one cell in network overlay system；
Arithmetic element 402 carries out 3 operation of mould for the PCI value to the first community, obtains the first community
3 value of PCI mould, wherein 3 value of PCI mould of the different community in target network covering system is different；
It determines SRS resource unit 403, for 3 value of PCI mould according to the first community, determines the first community institute
Corresponding SRS resource subset.
Configuration unit 404 is linked into the first community for the SRS resource in the SRS resource subset to be allocated to
Interior terminal, so that the terminal in the adjacent area of SRS resource and first community that the terminal in the first community accesses accessed
SRS resource is mutually orthogonal.
Further, further includes: mapping relations unit 405 is generated, if for the SRS resource to be allocated to be divided into
Dry SRS resource subset, wherein of the number of the SRS resource subset not less than the cell in target network covering system
Number；Establish the mapping relations of each SRS resource subset and integer value.
Further, the determining SRS resource unit 403 is specifically used for: determining 3 value of PCI mould with the first community
Corresponding integer value；According to the mapping relations of foundation, SRS resource subset corresponding with 3 value of PCI mould is determined.
Further, further includes: receiving unit 406 is the first community for receiving operation and maintenance OAM and issuing
The stand-by PCI of distribution, wherein the stand-by PCI includes primary PCI and at least one spare PCI, primary PCI and spare
PCI refers to the PCI not used by adjacent area；
Further, the determining PCI unit 401 is specifically used for: it is determined as whether the primary PCI can be used, if available,
The then PCI that the primary PCI is currently used as the cell chooses one if unavailable from the spare PCI
PCI PCI currently used as the cell.
Further, the determining PCI unit 401 is specifically used for: judging whether the primary PCI meets Lothrus apterus item
Part, if so, determining that the primary PCI is available, otherwise, it determines unavailable for the primary PCI, wherein the Lothrus apterus
Condition refers to that the PCI that any two cell in target network covering system uses is different.
In conclusion one side of embodiment of the present invention base station first determines the PCI value of each cell, then to each cell
PCI value carry out three operation of mould, 3 value of PCI mould of each cell is obtained, because the different community in target network covering system belongs to
In co-frequency cell, so 3 value of PCI mould is different, because having pre-established the mapping relations of mould three values and SRS resource subset, because
This can determine SRS resource subset corresponding to cell according to 3 value of PCI mould of cell, thus can be by SRS resource
The SRS resource of concentration is allocated to the terminal being linked into the first community, guarantees the SRS money of the terminal access in different community
Source is mutually orthogonal, so that superposition interference will not occur for the uplink SRS signal that the terminal in different community reports, therefore base station can be with
Cell terminal is accurately positioned using the SRS signal received.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or 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 counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart 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 may 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
Mind 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 (6)
1. a kind of Sounding Reference Signal SRS resource distribution method, which is characterized in that this method comprises:
SRS resource is divided into several SRS resource subsets, the number of the SRS resource subset is not less than three, by selection
Any three SRS resource subsets and 3 value of PCI mould establish mapping relations；The SRS resource subset, which belongs to, to be covered in advance for target network
The part resource of the SRS resource of cell configuration in convering system；Determine the Physical Cell Identifier PCI value of first community, described
One cell is any one cell in target network covering system；
3 operation of mould is carried out to the PCI value of the first community, obtains 3 value of PCI mould of the first community；
According to the mapping relations of foundation, SRS resource subset corresponding with 3 value of PCI mould of the first community is determined；
SRS resource in the corresponding SRS resource subset of 3 value of PCI mould of the first community is allocated to and is linked into described first
Terminal in cell, so that the terminal in the adjacent area of SRS resource and first community that the terminal in the first community accesses connects
The SRS resource entered is mutually orthogonal.
2. the method as described in claim 1, which is characterized in that the PCI value of the determination first community, comprising:
Receive operation and maintenance OAM and issue be first community distribution stand-by PCI, wherein the stand-by PCI includes one
A primary PCI and at least one spare PCI, primary PCI and spare PCI refer to the PCI not used by adjacent area；
Determine whether the primary PCI can be used, if available, using the primary PCI PCI currently used as the cell,
If unavailable, the PCI PCI currently used as the cell is chosen from the spare PCI.
3. method according to claim 2, which is characterized in that described to be determined as whether the primary PCI can be used, comprising:
Judge whether the primary PCI meets Lothrus apterus condition, if so, determining that the primary PCI is available, otherwise, it determines being
The primary PCI is unavailable, wherein the condition of the Lothrus apterus refers to that any two neighboring community uses in network overlay system
3 value of its mould of PCI value it is different.
4. a kind of SRS resource distributor, which is characterized in that the device includes:
Mapping relations unit is generated, for SRS resource to be divided into several SRS resource subsets, of the SRS resource subset
Number is not less than three, and any three SRS resource subsets of selection and 3 value of PCI mould are established mapping relations；SRS resource
Integrate and belongs in advance as the part resource of the SRS resource of the cell configuration in target network covering system；
PCI unit is determined, for determining that the Physical Cell Identifier PCI value of first community, the first community are covered for target network
Any one cell in convering system；
Arithmetic element carries out 3 operation of mould for the PCI value to the first community, obtains 3 value of PCI mould of the first community；
Determine SRS resource unit, for the mapping relations according to foundation, determination is corresponding with 3 value of PCI mould of the first community
SRS resource subset；
Configuration unit is allocated to for the SRS resource in the corresponding SRS resource subset of 3 value of PCI mould by the first community and connects
Enter to the terminal in the first community, so that the neighbour of SRS resource and first community that the terminal in the first community accesses
The SRS resource of terminal access in area is mutually orthogonal.
5. device as claimed in claim 4, which is characterized in that further include:
Receiving unit, issue for receiving operation and maintenance OAM be the first community distribution stand-by PCI, wherein described
Stand-by PCI includes a primary PCI and at least one spare PCI, primary PCI and spare PCI refer to and do not used by adjacent area
PCI；
The determining PCI unit is specifically used for: determining whether the primary PCI can be used, if available, the primary PCI is made
It is current as the cell that a PCI is chosen from the spare PCI if unavailable for the currently used PCI of the cell
The PCI used.
6. device as claimed in claim 5, which is characterized in that the determining PCI unit is specifically used for:
Judge whether the primary PCI meets Lothrus apterus condition, if so, determining that the primary PCI is available, otherwise, it determines being
The primary PCI is unavailable, wherein the condition of the Lothrus apterus refers to that any two neighboring community uses in network overlay system
3 value of its mould of PCI value it is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070693.7A CN106411492B (en) | 2016-11-28 | 2016-11-28 | A kind of SRS resource configuration method and device |
Applications Claiming Priority (1)
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| CN101330325A (en) * | 2008-07-29 | 2008-12-24 | 中兴通讯股份有限公司 | Transmission method for upstream channel measuring reference signal |
| CN101784116A (en) * | 2009-01-19 | 2010-07-21 | 华为技术有限公司 | Sounding reference signal resource allocation method, system and device |
| CN102013952A (en) * | 2009-09-07 | 2011-04-13 | 夏普株式会社 | Method for acquiring channel state information, base station and user equipment |
| CN105472745A (en) * | 2014-09-04 | 2016-04-06 | 北京三星通信技术研究有限公司 | Sounding reference signal resource allocation method and equipment |
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| CN101330325A (en) * | 2008-07-29 | 2008-12-24 | 中兴通讯股份有限公司 | Transmission method for upstream channel measuring reference signal |
| CN101784116A (en) * | 2009-01-19 | 2010-07-21 | 华为技术有限公司 | Sounding reference signal resource allocation method, system and device |
| CN102013952A (en) * | 2009-09-07 | 2011-04-13 | 夏普株式会社 | Method for acquiring channel state information, base station and user equipment |
| CN105472745A (en) * | 2014-09-04 | 2016-04-06 | 北京三星通信技术研究有限公司 | Sounding reference signal resource allocation method and equipment |
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