CN106304089B - A kind of downlink CoMP implementation method and access device - Google Patents
A kind of downlink CoMP implementation method and access device Download PDFInfo
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- CN106304089B CN106304089B CN201510236922.7A CN201510236922A CN106304089B CN 106304089 B CN106304089 B CN 106304089B CN 201510236922 A CN201510236922 A CN 201510236922A CN 106304089 B CN106304089 B CN 106304089B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The present invention provides a kind of downlink CoMP implementation method and access devices, which comprises in each preset timing cycle, obtains collaboration the multiple spot CoMP user quantity, the CoMP user quantity of the quantity of adjacent cell and adjacent cell of this cell；According to the CoMP user quantity of the CoMP user quantity of described cell, the quantity of adjacent cell and adjacent cell, the frequency band occupancy situation of the CoMP user of this cell is determined.The present invention is able to solve the problem that resource utilization is low in existing downlink CoMP implementation method.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of downlink CoMP implementation method and access device.
Background technique
Developed in the technology of advanced long term evolution (Long Term Evolution-Advanced, abbreviation LTE-A)
Cheng Zhong, occur it is a kind of using separated point on geographical location carry out collaboration transmission or received method, 3GPP be called
It cooperates with multiple spot technology (Coordinated Multi-Point Transmission/Reception, abbreviation CoMP).CoMP is
As one improve high data rate covering, cell edge throughput and (or) improve throughput of system tool introduce
LTE-A's.
CoMP is that a kind of multiple points carry out cooperative transmission/received technology, due to its can using distributed antenna and
The control function of centralization, can easily carry out arranging net for semi.As shown in Figure 1, many access points all connect
To the same eNodeB, and each access point may include one or more bay.For UE, multiple UE can
To carry out the transmission of data with multiple access points simultaneously, and these access points may belong to the same eNodeB or different
eNodeB.In the transmission process of data, master controller receives the transmission information of each access point, including channel quality,
Transmitted data rates etc. determine to make scheduling, distribute resource to meet the QoS demand of each user, business, and maximum
Change the throughput performance of whole system.
Wherein, downlink CoMP, which is realized, generally uses cooperative scheduling/beam shaping (Coordinated Scheduling/
Beamforming method), existing downlink CoMP implementation method, which mainly fixes resource, is divided into CoMP resource and non-CoMP money
Source or directly using 1/3 frequency range of interference coordination static division as CoMP frequency range, cannot rationally utilize according to user situation
Resource, resource utilization are low.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of downlink CoMP implementation method and access device, to solve
The low problem of resource utilization in existing downlink CoMP implementation method.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of downlink CoMP implementation methods, comprising:
In each preset timing cycle, obtain the collaboration multiple spot CoMP user quantity of this cell, the quantity of adjacent cell and
The CoMP user quantity of adjacent cell；
According to the CoMP user quantity of the CoMP user quantity of described cell, the quantity of adjacent cell and adjacent cell, determine
The frequency band occupancy situation of the CoMP user of this cell.
Wherein, according to the CoMP user quantity of the CoMP user quantity of described cell, the quantity of adjacent cell and adjacent cell,
The frequency band occupancy situation for determining the CoMP user of this cell includes:
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, working as the CoMP user number of this cell
Amount is greater than 0, and the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines the frequency of the CoMP user of this cell
Band occupancy situation is Whole frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell is big
When 0, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the CoMP user of this cell is determined
Frequency band occupancy situation be 1/3 frequency band occupy.
Wherein, when the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user number of adjacent cell
When amount is greater than 0, determine that the frequency band occupancy situation of the CoMP user of this cell is that half frequency band occupancy includes:
As (PCIservice mod 3)<(PCIneighborMod 3) when, determine that the frequency band of the CoMP user of this cell occupies
Situation is low-frequency band occupancy；
As (PCIserviceMod 3) > (PCIneighborMod 3) when, determine that the frequency band of the CoMP user of this cell occupies
Situation is high frequency band occupancy；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell, PCIneighborFor the Physical Cell Identifier of adjacent cell, institute
Stating the sum of low-frequency band and the high frequency band is Whole frequency band, and the low-frequency band is identical with the bandwidth of the high frequency band.
Wherein, when the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the CoMP of this cell is determined
The frequency band occupancy situation of user is that 1/3 frequency band occupancy includes:
According to a=(PCIserviceMod 3) value, determine that the CoMP user of this cell occupies corresponding 1/3 frequency band:
As a=0, determine that the CoMP user of this cell occupies the one 1/3 frequency band；
As a=1, determine that the CoMP user of this cell occupies the 2nd 1/3 frequency band；
As a=2, determine that the CoMP user of this cell occupies the 3rd 1/3 frequency band；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell；One 1/3 frequency band, the 2nd 1/3 frequency band and third
The sum of 1/3 frequency band is Whole frequency band, and the bandwidth of the one 1/3 frequency band, the 2nd 1/3 frequency band and the 3rd 1/3 frequency band is identical.
Wherein, in each preset timing cycle, the CoMP user quantity, the quantity of adjacent cell and neighbour for obtaining this cell are small
The CoMP user quantity in area includes:
In each preset timing cycle, the Reference Signal Received Power RSRP of this cell is obtainedserviceIt is most strong adjacent small
The Reference Signal Received Power RSRP in areas-neighbor；
Obtain all users of this cell；
Successively judge whether the user is CoMP user and the quantity for counting CoMP user in the user；
If the user is CoMP user, Shu RSRP is judgedservice-RSRPs-neighborWhether Shu is greater than RSRP_Th+
Delta_RSRP, if so, the user is added in the CoMP user delete list of this cell；
If the user is not CoMP user, Shu RSRP is judgedservice-RSRPs-neighborWhether Shu is less than RSRP_Th, if
It is then to increase the CoMP user that the user is added to this cell in list, and increasing record in list in the CoMP user should
The cooperation cell of user；The cooperation cell is some or all of the adjacent cell of this cell；
Increase list more according to the original CoMP user of this cell, the CoMP user delete list of this cell and CoMP user
The first list of this new cell, the first list are used to store the CoMP user of this cell；
Obtain all adjacent cells of this cell；
Increase the second list of this cell of list update according to all adjacent cells of this cell, the CoMP user of this cell,
The second list is for storing the adjacent cell of this cell and the CoMP user of each adjacent cell；
Count to obtain the CoMP user quantity of this cell, the number of adjacent cell according to the first list and the second list
The CoMP user quantity of amount and each adjacent cell；
Wherein, RSRP_Th is preset threshold value, and Delta_RSRP is preset deviant.
Wherein, the Reference Signal Received Power RSRP of this cell is obtainedserviceThe reference signal of most strong adjacent cell receives
Power RSRPs-neighborInclude:
Receive the RSRP of reporting of userserviceWith the Reference Signal Received Power of all adjacent cells of the user, from reception
To all adjacent cells Reference Signal Received Power in choose prominent Reference Signal Received Power conduct
RSRPs-neighbor。
Wherein, the downlink CoMP implementation method further include:
It is lower than the power of first threshold for the user configuration in the CoMP user delete list, increases for the CoMP user
The user configuration in list is added to be higher than the power of second threshold, the second threshold is greater than or equal to the first threshold.
Second aspect, the present invention also provides a kind of access devices, including acquiring unit and determination unit；
The acquiring unit, for obtaining the collaboration multiple spot CoMP user number of this cell in each preset timing cycle
Amount, the CoMP user quantity of the quantity of adjacent cell and adjacent cell；
The determination unit, the CoMP user quantity of this cell for being obtained according to the acquiring unit, adjacent cell
The CoMP user quantity of quantity and adjacent cell determines the frequency band occupancy situation of the CoMP user of this cell.
Wherein, the determination unit is specifically used for:
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, working as the CoMP user number of this cell
Amount is greater than 0, and the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines the frequency of the CoMP user of this cell
Band occupancy situation is Whole frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell is big
When 0, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the CoMP user of this cell is determined
Frequency band occupancy situation be 1/3 frequency band occupy.
Wherein, the acquiring unit includes obtaining module, judgment module, adding module, update module and statistical module；
The acquisition module, for obtaining the Reference Signal Received Power of this cell in each preset timing cycle
RSRPserviceThe Reference Signal Received Power RSRP of most strong adjacent cells-neighbor；
The acquisition module is also used to obtain all users of this cell；
The judgment module, for successively judging whether the user of this cell of the acquisition module acquisition is that CoMP is used
Family；
The statistical module counts original CoMP user in this community user for the judging result according to judgment module
Quantity；
The judgment module is also used to judge Shu RSRP when some user for determining this cell is CoMP userservice-
RSRPs-neighborWhether Shu is greater than RSRP_Th+Delta_RSRP；
The adding module, for determining Shu RSRP in the judgment moduleservice-RSRPs-neighborShu is greater than RSRP_Th+
When Delta_RSRP, which is added in the CoMP user delete list of this cell；Wherein, RSRP_Th is preset door
Limit value, Delta_RSRP are preset deviant；
The judgment module is also used to judge Shu when some user for determining this cell is not CoMP user
RSRPservice-RSRPs-neighborWhether Shu is less than RSRP_Th；
The adding module is also used to determine Shu RSRP in the judgment moduleservice-RSRPs-neighborShu is less than RSRP_
When Th, the CoMP user which is added to this cell is increased in list and records the use in CoMP user increase list
The cooperation cell at family；The cooperation cell is some or all of the adjacent cell of this cell；
The update module, for according to the CoMP user delete list of the original CoMP user of this cell, this cell and
CoMP user increases the first list of this cell of list update, and the first list is used to store the CoMP user of this cell；
The acquisition module is also used to obtain all adjacent cells of this cell；
The update module is also used to all adjacent cells according to this cell, the CoMP user of this cell increases list more
The CoMP of the second list of this new cell, adjacent cell and each adjacent cell that the second list is used to store this cell is used
Family；
The statistical module is also used to count the CoMP user of this cell according to the first list and the second list
The CoMP user quantity of quantity, the quantity of adjacent cell and each adjacent cell.
As shown from the above technical solution, downlink CoMP implementation method of the present invention, can be according to CoMP user in cell
The case where, adjacent cell and CoMP resource is divided the case where adjacent cell CoMP user, according to different situations, CoMP resource can account for full range
Band, 1/2 frequency band or 1/3 frequency band, middle fixed or static CoMP resource distribution mode, the present invention effectively mention compared with the prior art
High resource utilization.In addition, this method is also by being arranged different capacity to CoMP user and non-CoMP user to improve CoMP
The performance of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is CoMP schematic diagram；
Fig. 2 is the flow chart for the downlink CoMP implementation method that the embodiment of the present invention one provides；
Fig. 3 is the realization process schematic for the step 101 that the embodiment of the present invention one provides；
Fig. 4 is the realization process schematic for the step 102 that the embodiment of the present invention one provides；
Fig. 5 is that the CoMP user that this cell how is determined at situation c that the embodiment of the present invention one provides occupies accordingly
The schematic diagram of 1/3 frequency band；
Fig. 6 is the structural schematic diagram of access device provided by Embodiment 2 of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Prior art cannot be according to CoMP user and adjacent cell disturbed condition reasonable distribution CoMP resource, the utilization of resources
Rate is low, and the invention proposes the methods for dividing CoMP resource according to CoMP user in cell and situation adjacent cell situation, improves system
System performance.
Wherein, user of the present invention refers to user equipment (UE).
Referring to fig. 2, the flow chart of the downlink CoMP implementation method provided Fig. 2 shows the embodiment of the present invention one, this method
Include:
Step 101: in each preset timing cycle, obtaining the collaboration multiple spot CoMP user quantity, adjacent cell of this cell
Quantity and adjacent cell CoMP user quantity.
In this step, in each preset timing cycle, following A1-A6 is executed, detailed process can be found in Fig. 3.
A1. the Reference Signal Received Power RSRP of this cell is obtainedserviceThe reference signal of most strong adjacent cell receives function
Rate RSRPs-neighbor。
In this step, following manner can be taken to obtain the RSRPserviceAnd RSRPs-neighbor:
Receive the RSRP of reporting of userserviceWith the Reference Signal Received Power of all adjacent cells of the user, from reception
To all adjacent cells Reference Signal Received Power in choose prominent Reference Signal Received Power conduct
RSRPs-neighbor。
A2. all users of this cell are obtained.
In this step, timing cycle one arrives, and reads the user list that this cell has been received, it is hereby achieved that these
The relevant information for servicing user, including User ID, User Status (including for CoMP user or non-CoMP user), CoMP user
All cooperation cells, power of user etc..
A3. successively judge whether the user is CoMP user and the quantity for counting CoMP user in the user；If institute
Stating user is CoMP user, then judges Shu RSRPservice-RSRPs-neighborWhether Shu is greater than RSRP_Th+Delta_RSRP, if so,
Then the user is added in the CoMP user delete list of this cell；If the user is not CoMP user, Shu is judged
RSRPservice-RSRPs-neighborWhether Shu is less than RSRP_Th, if so, the CoMP user that the user is added to this cell is increased
Add in list, and increases the cooperation cell for recording the user in list in the CoMP user；The cooperation cell is this cell
Some or all of adjacent cell.Wherein, RSRP_Th is preset threshold value, and Delta_RSRP is preset deviant.
A4. increased according to the original CoMP user of this cell, the CoMP user delete list of this cell and CoMP user and arranged
Table updates the first list of this cell, and the first list is used to store the CoMP user of this cell.
A5. all adjacent cells of this cell are obtained；Increased according to all adjacent cells of this cell, the CoMP user of this cell
The second list of this cell of list update, the second list are used to store the adjacent cell and each adjacent cell of this cell
CoMP user.
A6. it is counted to obtain the CoMP user quantity, adjacent cell of this cell according to the first list and the second list
Quantity and each adjacent cell CoMP user quantity.
In order to improve the performance of CoMP user, it is preferable that after step A3, further includes: deleted for the CoMP user
User configuration in list is lower than the power of first threshold, increases the user configuration in list for the CoMP user and is higher than second
The power of threshold value, the second threshold are greater than or equal to the first threshold.
By configuring higher power for CoMP user, being that non-CoMP user configures relatively low power, not only improve
The performance of CoMP user, also helps saving energy.
Step 102: according to the CoMP user number of the CoMP user quantity of described cell, the quantity of adjacent cell and adjacent cell
Amount, determines the frequency band occupancy situation of the CoMP user of this cell.
In this step, following several situations are specifically included, specific process flow can be found in shown in Fig. 4.
A. when the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, working as the CoMP user of this cell
Quantity is greater than 0, and the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines the CoMP user of this cell
Frequency band occupancy situation is Whole frequency band occupancy；
B. when the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell
When greater than 0, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
C. when the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, determine that the CoMP of this cell is used
The frequency band occupancy situation at family is 1/3 frequency band occupancy.
Specifically, for situation b, when the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and adjacent cell
CoMP user quantity be greater than 0 when, determine the CoMP user of this cell frequency band occupancy situation be half frequency band occupancy include:
As (PCIservice mod 3)<(PCIneighborMod 3) when, determine that the frequency band of the CoMP user of this cell occupies
Situation is low-frequency band occupancy；
As (PCIserviceMod 3) > (PCIneighborMod 3) when, determine that the frequency band of the CoMP user of this cell occupies
Situation is high frequency band occupancy；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell, PCIneighborFor the Physical Cell Identifier of adjacent cell, institute
Stating the sum of low-frequency band and the high frequency band is Whole frequency band, and the low-frequency band is identical with the bandwidth of the high frequency band.
Specifically, it for situation c, when the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, determines
The frequency band occupancy situation of the CoMP user of this cell is that 1/3 frequency band occupancy includes:
According to a=(PCIserviceMod 3) value, determine that the CoMP user of this cell occupies corresponding 1/3 frequency band,
Referring specifically to Fig. 5.
As a=0, determine that the CoMP user of this cell occupies the one 1/3 frequency band；
As a=1, determine that the CoMP user of this cell occupies the 2nd 1/3 frequency band；
As a=2, determine that the CoMP user of this cell occupies the 3rd 1/3 frequency band；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell；One 1/3 frequency band, the 2nd 1/3 frequency band and third
The sum of 1/3 frequency band is Whole frequency band, and the bandwidth of the one 1/3 frequency band, the 2nd 1/3 frequency band and the 3rd 1/3 frequency band is identical.
According to actual needs, the one 1/3 frequency band can be high frequency band, and the 2nd 1/3 frequency band is midband, described
3rd 1/3 frequency band is low-frequency band；Or, the one 1/3 frequency band is low-frequency band, the 2nd 1/3 frequency band is midband, described the
3 1/3 frequency bands are high frequency band.
Downlink CoMP implementation method described in the present embodiment, can according in cell the case where CoMP user, adjacent cell and neighbour
The case where cell CoMP user, divides CoMP resource, and according to different situations, CoMP resource can account for Whole frequency band, 1/2 frequency band or 1/3 frequency
Band, middle fixed or static CoMP resource distribution mode, the present embodiment effectively increase resource utilization compared with the prior art.
In addition, the present embodiment is also by being arranged different capacity to CoMP user and non-CoMP user to improve the performance of CoMP user.
Referring to Fig. 6, second embodiment of the present invention provides a kind of access devices, including acquiring unit 61 and determination unit 62；
The acquiring unit 61, for obtaining the collaboration multiple spot CoMP user of this cell in each preset timing cycle
The CoMP user quantity of quantity, the quantity of adjacent cell and adjacent cell；
The determination unit 62, the CoMP user quantity, adjacent cell of this cell for being obtained according to the acquiring unit
Quantity and adjacent cell CoMP user quantity, determine the frequency band occupancy situation of the CoMP user of this cell.
Wherein, the determination unit 62 is specifically used for:
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, working as the CoMP user number of this cell
Amount is greater than 0, and the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines the frequency of the CoMP user of this cell
Band occupancy situation is Whole frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell is big
When 0, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the CoMP user of this cell is determined
Frequency band occupancy situation be 1/3 frequency band occupy.
Further, the acquiring unit 61 includes obtaining module 611, judgment module 612, adding module 613, updating mould
Block 614 and statistical module 615；
The acquisition module 611, for obtaining the Reference Signal Received Power of this cell in each preset timing cycle
RSRPserviceThe Reference Signal Received Power RSRP of most strong adjacent cells-neighbor；
The acquisition module 611, is also used to obtain all users of this cell；
The judgment module 612, for successively judging whether the user of this cell of the acquisition module acquisition is CoMP
User；
The statistical module 615 counts original CoMP in this community user for the judging result according to judgment module
The quantity of user；
The judgment module 612 is also used to judge Shu when some user for determining this cell is CoMP user
RSRPservice-RSRPs-neighborWhether Shu is greater than RSRP_Th+Delta_RSRP；
The adding module 613, for determining Shu RSRP in the judgment moduleservice-RSRPs-neighborShu is greater than RSRP_
When Th+Delta_RSRP, which is added in the CoMP user delete list of this cell；Wherein, RSRP_Th is preset
Threshold value, Delta_RSRP are preset deviant；
The judgment module 612 is also used to judge Shu when some user for determining this cell is not CoMP user
RSRPservice-RSRPs-neighborWhether Shu is less than RSRP_Th；
The adding module 613 is also used to determine Shu RSRP in the judgment moduleservice-RSRPs-neighborShu is less than
When RSRP_Th, the CoMP user which is added to this cell is increased in list and increased in list in the CoMP user and is remembered
Record the cooperation cell of the user；The cooperation cell is some or all of the adjacent cell of this cell；
The update module 614, for the CoMP user delete list according to the original CoMP user of this cell, this cell
Increase the first list of this cell of list update with CoMP user, the first list is used to store the CoMP user of this cell；
The acquisition module 611, is also used to obtain all adjacent cells of this cell；
The update module 614 is also used to all adjacent cells according to this cell, the CoMP user of this cell increases list
The second list of this cell is updated, the CoMP of adjacent cell and each adjacent cell that the second list is used to store this cell is used
Family；
The statistical module 615 is also used to count the CoMP of this cell according to the first list and the second list
The CoMP user quantity of number of users, the quantity of adjacent cell and each adjacent cell.
Preferably, the access device further includes power distributing unit 63, for in the CoMP user delete list
User configuration be lower than the power of first threshold, increase the user configuration in list for the CoMP user and be higher than second threshold
Power, the second threshold are greater than or equal to the first threshold.
System described in the present embodiment can be used for executing above method embodiment, and principle is similar with technical effect, this
Place repeats no more.
The above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of downlink CoMP implementation method characterized by comprising
In each preset timing cycle, collaboration multiple spot CoMP user quantity, the quantity of adjacent cell and the neighbour for obtaining this cell are small
The CoMP user quantity in area；
According to the CoMP user quantity of the CoMP user quantity of described cell, the quantity of adjacent cell and adjacent cell, determine that this is small
The frequency band occupancy situation of the CoMP user in area；
Wherein, in each preset timing cycle, the CoMP user quantity of this cell, the quantity of adjacent cell and adjacent cell are obtained
CoMP user quantity includes:
In each preset timing cycle, the Reference Signal Received Power RSRP of this cell is obtainedserviceThe ginseng of most strong adjacent cell
Examine signal reception power RSRPs-neighbor；
Obtain all users of this cell；
Successively judge whether the user is CoMP user and the quantity for counting CoMP user in the user；
If the user is CoMP user, Shu RSRP is judgedservice-RSRPs-neighborWhether Shu is greater than RSRP_Th+Delta_
RSRP, if so, the user is added in the CoMP user delete list of this cell；
If the user is not CoMP user, Shu RSRP is judgedservice-RSRPs-neighborWhether Shu is less than RSRP_Th, if so,
Then the CoMP user that the user is added to this cell is increased in list, and increases in list in the CoMP user and records the user
Cooperation cell；The cooperation cell is some or all of the adjacent cell of this cell；
Increase list update sheet according to the original CoMP user of this cell, the CoMP user delete list of this cell and CoMP user
The first list of cell, the first list are used to store the CoMP user of this cell；
Obtain all adjacent cells of this cell；
Increase the second list of this cell of list update according to all adjacent cells of this cell, the CoMP user of this cell, it is described
Second list is for storing the adjacent cell of this cell and the CoMP user of each adjacent cell；
According to the first list and the second list count to obtain the CoMP user quantity of this cell, the quantity of adjacent cell and
The CoMP user quantity of each adjacent cell；
Wherein, RSRP_Th is preset threshold value, and Delta_RSRP is preset deviant.
2. the method according to claim 1, wherein according to CoMP user quantity, the adjacent cell of described cell
Quantity and adjacent cell CoMP user quantity, determine that the frequency band occupancy situation of the CoMP user of this cell includes:
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, the CoMP user quantity when this cell is big
In 0, the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines that the frequency band of the CoMP user of this cell accounts for
It is that Whole frequency band occupies with situation；
When the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell is greater than 0
When, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the frequency of the CoMP user of this cell is determined
Band occupancy situation is 1/3 frequency band occupancy.
3. according to the method described in claim 2, it is characterized in that, when this cell CoMP user quantity be greater than 0, adjacent cell
Quantity is 1, and when the CoMP user quantity of adjacent cell is greater than 0, determines that the frequency band occupancy situation of the CoMP user of this cell is half
Frequency band occupies
As (PCIservicemod 3)<(PCIneighborMod 3) when, determine that the frequency band occupancy situation of the CoMP user of this cell is
Low-frequency band occupies；
As (PCIserviceMod 3) > (PCIneighborMod 3) when, determine that the frequency band occupancy situation of the CoMP user of this cell is
High frequency band occupies；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell, PCIneighborIt is described low for the Physical Cell Identifier of adjacent cell
The sum of frequency band and the high frequency band are Whole frequency band, and the low-frequency band is identical with the bandwidth of the high frequency band.
4. according to the method described in claim 2, it is characterized in that, when this cell CoMP user quantity be greater than 0, adjacent cell
When quantity is greater than 1, determine that the frequency band occupancy situation of the CoMP user of this cell is that 1/3 frequency band occupancy includes:
According to a=(PCIserviceMod 3) value, determine that the CoMP user of this cell occupies corresponding 1/3 frequency band:
As a=0, determine that the CoMP user of this cell occupies the one 1/3 frequency band；
As a=1, determine that the CoMP user of this cell occupies the 2nd 1/3 frequency band；
As a=2, determine that the CoMP user of this cell occupies the 3rd 1/3 frequency band；
Wherein, PCIserviceFor the Physical Cell Identifier of this cell；One 1/3 frequency band, the 2nd 1/3 frequency band and the 3rd 1/3 frequency
The sum of band is Whole frequency band, and the bandwidth of the one 1/3 frequency band, the 2nd 1/3 frequency band and the 3rd 1/3 frequency band is identical.
5. the method according to claim 1, wherein obtaining the Reference Signal Received Power RSRP of this cellservice
The Reference Signal Received Power RSRP of most strong adjacent cells-neighborInclude:
Receive the RSRP of reporting of userserviceWith the Reference Signal Received Power of all adjacent cells of the user, from the institute received
Have and chooses prominent Reference Signal Received Power in the Reference Signal Received Power of adjacent cell as RSRPs-neighbor。
6. the method according to claim 1, wherein further include: for the use in the CoMP user delete list
Family configuration is lower than the power of first threshold, increases the function that the user configuration in list is higher than second threshold for the CoMP user
Rate, the second threshold are greater than or equal to the first threshold.
7. a kind of access device, which is characterized in that including acquiring unit and determination unit；
The acquiring unit, for obtaining the collaboration multiple spot CoMP user quantity, neighbour of this cell in each preset timing cycle
The quantity of cell and the CoMP user quantity of adjacent cell；
The determination unit, the CoMP user quantity, the quantity of adjacent cell of this cell for being obtained according to the acquiring unit
With the CoMP user quantity of adjacent cell, the frequency band occupancy situation of the CoMP user of this cell is determined；
Wherein, the acquiring unit includes obtaining module, judgment module, adding module, update module and statistical module；
The acquisition module, for obtaining the Reference Signal Received Power of this cell in each preset timing cycle
RSRPserviceThe Reference Signal Received Power RSRP of most strong adjacent cells-neighbor；
The acquisition module is also used to obtain all users of this cell；
The judgment module, for successively judging whether the user of this cell of the acquisition module acquisition is CoMP user；
The statistical module counts the number of original CoMP user in this community user for the judging result according to judgment module
Amount；
The judgment module is also used to judge Shu RSRP when some user for determining this cell is CoMP userservice-
RSRPs-neighborWhether Shu is greater than RSRP_Th+Delta_RSRP；
The adding module, for determining Shu RSRP in the judgment moduleservice-RSRPs-neighborShu is greater than RSRP_Th+
When Delta_RSRP, which is added in the CoMP user delete list of this cell；
The judgment module is also used to judge Shu RSRP when some user for determining this cell is not CoMP userservice-
RSRPs-neighborWhether Shu is less than RSRP_Th；
The adding module is also used to determine Shu RSRP in the judgment moduleservice-RSRPs-neighborWhen Shu is less than RSRP_Th,
The CoMP user that the user is added to this cell is increased in list and increased in list in the CoMP user and records the user's
Cooperation cell；The cooperation cell is some or all of the adjacent cell of this cell；
The update module, for the CoMP user delete list and CoMP according to the original CoMP user of this cell, this cell
User increases the first list of this cell of list update, and the first list is used to store the CoMP user of this cell；
The acquisition module is also used to obtain all adjacent cells of this cell；
The update module is also used to all adjacent cells according to this cell, the CoMP user of this cell increases list update sheet
The second list of cell, the second list is for storing the adjacent cell of this cell and the CoMP user of each adjacent cell；
The statistical module is also used to count the CoMP user number of this cell according to the first list and the second list
Amount, the CoMP user quantity of the quantity of adjacent cell and each adjacent cell；
Wherein, RSRP_Th is preset threshold value, and Delta_RSRP is preset deviant.
8. access device according to claim 7, which is characterized in that the determination unit is specifically used for:
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is 0, or, the CoMP user quantity when this cell is big
In 0, the quantity of adjacent cell is 1, and when the CoMP user quantity of adjacent cell is 0, determines that the frequency band of the CoMP user of this cell accounts for
It is that Whole frequency band occupies with situation；
When the CoMP user quantity of this cell is greater than 0, the quantity of adjacent cell is 1, and the CoMP user quantity of adjacent cell is greater than 0
When, determine the frequency band occupancy situation of the CoMP user of this cell for half frequency band occupancy；
When the CoMP user quantity of this cell is greater than 0, and the quantity of adjacent cell is greater than 1, the frequency of the CoMP user of this cell is determined
Band occupancy situation is 1/3 frequency band occupancy.
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| CN103079210A (en) * | 2011-10-25 | 2013-05-01 | 中兴通讯股份有限公司 | Methods, evolved Node B and system for coordinating downlink interference between cells |
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| CN104333865A (en) * | 2014-11-19 | 2015-02-04 | 北京北方烽火科技有限公司 | Coordinated multi-point CoMP resource distribution method and device |
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| CN101827383A (en) * | 2009-03-06 | 2010-09-08 | 大唐移动通信设备有限公司 | Method and base station for predicting time-frequency resources |
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