CN102148668B - Processing method and equipment - Google Patents
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- CN102148668B CN102148668B CN2011100096814A CN201110009681A CN102148668B CN 102148668 B CN102148668 B CN 102148668B CN 2011100096814 A CN2011100096814 A CN 2011100096814A CN 201110009681 A CN201110009681 A CN 201110009681A CN 102148668 B CN102148668 B CN 102148668B
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Abstract
The embodiment of the invention discloses a processing method and processing equipment. The method comprises the following steps of: receiving N uplink reference signal received power (UL RSRP) values from a user terminal in a multi-sector cell, wherein the N UL RSRP values correspond to N sectors forming the multi-sector cell respectively, coverage areas of the N different sectors are crossed with one another to form M crossed coverage areas, N is an integer greater than 1, and M is the integer greater than 0 and less than or equal to N; acquiring a maximum value PRX and a UL RSRP reference value from the N UL RSRP, wherein the RPX is the UL RSRP value of the sector X in the N sectors; and determining a user group with a user corresponding to the user terminal according to relationships between the maximum value PRXs and the RSRP reference values. The embodiment of the invention can reduce the complexity of an algorithm required by the space division multiplexing (SDM) realization of the user in the multi-sector cell, and ensure the communication quality.
Description
Technical field
The present invention relates to the communication technology, especially processing method and equipment.
Background technology
Introduce space division multiplexing (Space Division Multiplexing, SDM) technology in communication system, to improve the utilance of radio spectrum resources.
In prior art, by the following method the user in the coverage cell of a certain base station is realized to SDM: in the Zai Dui community, all users carry out, on the basis of channel estimating, obtaining two users' space covariance matrix; Adopt two users' space covariance matrix, calculate two space isolation between the user; Generate SDM user according to the space isolation between two users and organize set, this SDM user organizes in set, space isolation between any two users is greater than the space isolation threshold value set in advance, these two users can share the Same Physical resource, and these two users just form SDM user's group so; While carrying out SDM, from the SDM user who generates, organizing set and select user's group, is two physical resources that user assignment is identical in selected user's group.
The community of the sector that each base station covers is called common community.In practical application, by the community folding, the Yi Ge community is merged into in a plurality of common communities, merge the Hou De community and be called multi-sector cell, can cover a plurality of sectors simultaneously, thereby increase cell coverage area.
In realizing process of the present invention, inventor's discovery, if will realize that to the user in same community the user that the existing method of SDM is applied in multi-sector cell realizes SDM, the algorithm complexity, cause the load of base station very heavy.
Summary of the invention
The embodiment of the present invention provides a kind of processing method and equipment, base station, can make the user in multi-sector cell realize SDM, and complexity is lower, thereby reduces the load of base station while carrying out SDM, and guarantees user's communication quality.
A kind of processing method that an aspect of of the present present invention provides comprises:
Receive N the uplink reference signals received power ULRSRP value that in multi-sector cell, user terminal sends, N corresponding N the sector that forms described multi-sector cell of UL RSRP value difference, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N;
Obtain N the maximum PR in UL RSRP value
XWith UL RSRP reference value, described PR
XUL RSRP value for sector X in N sector;
According to maximum PR
XAnd the relation between UL RSRP reference value, determine user's group that the user corresponding with described user terminal is affiliated.
Another aspect of the present invention provides a kind of processing method, comprising:
For the first user in multi-sector cell and the second user assignment running time-frequency resource, and the running time-frequency resource distributed for first user is identical with the running time-frequency resource that is the second user assignment, the N of a described multi-sector cell sector comprises sector X and sector Y, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N; Wherein:
Described first user belongs to the user and organizes SU
XOr the user organizes CU
Z, described user organizes SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, described CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector;
Described the second user belongs to the user and organizes SU
YPerhaps the user organizes CU
W, described user organizes SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, described user organizes CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
Another aspect of the present invention provides a kind of equipment, comprising:
Receiving element, N the uplink reference signals received power UL RSRP value sent for receiving the multi-sector cell user terminal, N corresponding N the sector that forms described multi-sector cell of UL RSRP value difference, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N;
Acquiring unit, obtain N the maximum PR in UL RSRP value
XWith UL RSRP reference value, described PR
XUL RSRP value for sector X in N sector;
Determining unit, for according to maximum PR
XAnd the relation between UL RSRP reference value, determine user's group that the user corresponding with described user terminal is affiliated.
One side more of the present invention provides a kind of base station, comprises the equipment that the above embodiment of the present invention provides.
Owing between each sector that forms multi-sector cell, possessing natural space isolation, the space division multiplexing method provided based on the above embodiment of the present invention and equipment, base station, respectively for each user in multi-sector cell, according to the maximum in the UL RSRP value of all sectors in the multi-sector cell of its feedback and the relation between UL RSRP reference value, determine user's group that it is affiliated, thereby the user in multi-sector cell is realized to SDM; And, with prior art, the user in same community is realized to the method for SDM compares, without every two users in multi-sector cell, generate SDM user by the computer memory isolation and organize set, algorithm is simple, need the time short, greatly reduce the live load of base station, improved communication efficiency; In addition, on the basis without carrying out channel estimating, adopt two users' space covariance matrix to calculate two space isolation between the user, avoided the space characteristics of wireless channel to recur the complexity that changes the algorithm increased, complexity is low, the user organizes and determines that result is accurate, and while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the method that Fig. 1 provides for one embodiment of the invention;
The flow chart of the method that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the equipment that Fig. 3 provides for one embodiment of the invention;
The structural representation of the equipment that Fig. 4 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under the creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of the method that Fig. 1 provides for one embodiment of the invention.As shown in Figure 1, the SDM method of this embodiment comprises following flow process:
Multi-sector cell wherein comprises N sector, and N UL RSRP value be respectively to should N sector, and the overlay area of the different sectors in N sector intersects and forms M intersection overlay area, and N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N.
As a specific embodiment of the present invention, before this step 101, user terminal can be after the downlink reference signal that receives the base station transmission by each radio-frequency channel, sector, the RSRP that detection receives by each radio-frequency channel, sector, and reporting respectively the RSRP received by each radio-frequency channel, sector by each radio-frequency channel, sector, the RSRP of user terminal to send up is UL RSRP.
The SDM method provided according to the above embodiment of the present invention, the characteristics that possess natural space isolation between each sector that forms multi-sector cell have been utilized, respectively for each user in multi-sector cell, according to the maximum in the UL RSRP value of all sectors in the multi-sector cell of its feedback and the relation between UL RSRP reference value, determine user's group that it is affiliated, thereby the user in multi-sector cell is realized to SDM; Every two users without in multi-sector cell, generate SDM user by the computer memory isolation and organize set, and algorithm is simple, needs the time short, greatly reduces the live load of base station, has improved communication efficiency; And, avoided the space characteristics of wireless channel to recur the complexity that changes the algorithm increased, complexity is low, load while reducing base station execution SDM, the user organizes and determines that result is accurate, while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
In the SDM method shown in the above embodiment of the present invention, UL RSRP reference value can be specifically N second largest value in UL RSRP value or the mean value of N UL RSRP value.
Particularly, as an alternative embodiment of the invention, UL RSRP value can be the absolute value of the RSRP that obtained by user terminal measurement, or, the relative intensity value of the UL RSRP calculated according to the absolute value of the RSRP measured by user terminal.Maximum PR in UL RSRP value
XCan be the absolute value of N UL RSRP value or the maximum in the relative intensity value, the second largest value in UL RSRP value can be the absolute value of N UL RSRP value or the second largest value in the relative intensity value.During relative intensity value that UL RSRP value is the UL RSRP that calculated according to the absolute value of the RSRP that measures by user terminal, in step 102, specifically can obtain by the following method N the maximum PR in UL RSRP value
XWith UL RSRP reference value: the relative intensity value of obtaining N UL RSRP in multi-sector cell; From the relative intensity value of N UL RSRP, select maximum PR
XWith second largest value PR
Y, wherein, PR
YUL RSRP value for sector Y in N sector.
In the step 103 of the embodiment of the method for SDM shown in Fig. 1, user's group of the user's composition in the zone that the user's group under the user may be in the overlay area of some sector X in N sector, do not intersect with other sector, can be expressed as and use SU
X.User's group under the user may be also M overlay area that intersects Zhong,You sector, overlay area X and intersect user's group of intersecting the user's composition in the Z of overlay area of formation of the overlay area of other sector, can be expressed as CU
Z.
The flow chart of the method that Fig. 2 provides for another embodiment of the present invention.As shown in Figure 2, the SDM method of this embodiment specifically comprises following flow process:
Multi-sector cell wherein comprises N sector, and N UL RSRP value be respectively to should N sector, and the overlay area of the different sectors in N sector intersects and forms M intersection overlay area, and N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N.
Wherein, SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector.
If maximum PR
XWith second largest value PR
YBetween ratio or the operation result that this ratio carries out the functional operation gained as parameter of usining be greater than the first preset value T1, perform step 205; Otherwise, if maximum PR
XWith second largest value PR
YBetween ratio or the operation result that this ratio carries out the functional operation gained as parameter of usining be less than or equal to the first preset value T1, perform step 206.
According to another specific embodiment of the present invention, usining this ratio carries out functional operation as parameter and can be specifically: this ratio is carried out usining 10 logarithm operations as the truth of a matter.For example: according to example of the present invention, with maximum PR
XWith second largest value PR
YBetween the ratio operation result that carries out the functional operation gained as parameter be greater than the first preset value T1 and specifically can be expressed as: lg (PR
X/ PR
Y)>T1.
By comparing maximum PR
XWith second largest value PR
YBetween ratio or the operation result that this ratio carries out the functional operation gained as parameter of usining whether be greater than the first preset value T1, can determine whether the locus of user in multi-sector cell belongs to some sectors and with other sector, do not intersect the zone covered, that is: obtain the relation between the overlay area of each sector in user and multi-sector cell, also referred to as: the spatial correlation between user and each sector, thus determine the user's group under this user.
For example, organize SU except the user for the running time-frequency resource of this user assignment with distributing to
XAnd CU
ZThe running time-frequency resource of a user in some user's groups in addition is identical.For example, for the running time-frequency resource of this user assignment with distribute to the user and organize SU
YPerhaps the user organizes CU
WIn a user's running time-frequency resource identical, wherein, SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, CU
WUser's group that the user who intersects in the intersection overlay area W formed for the overlay area of other sector beyond M Yu Chu sector, overlay area X that intersects Zhong,You sector, overlay area V forms.
And for example, this user belongs to the user and organizes SU
XThe time, for the running time-frequency resource of this user assignment with distribute to the user and organize SU
YIn a user's running time-frequency resource identical, SU
YIn the overlay area by sector Y, user's group that the user in the zone do not intersected with other sectors forms.Perhaps, this user belongs to the user and organizes CU
ZThe time, for the running time-frequency resource of described user assignment with distribute to the user and organize CU
WIn a user's running time-frequency resource identical, CU
WUser's group that the user who intersects in the intersection overlay area W formed for the overlay area of other sector outside M Yu Chu sector, overlay area X that intersects Zhong,You sector, overlay area V forms.
Understandable, in above-mentioned giving an example, the overlay area W that intersects is not covered by sector X, and the sector that yet forms intersection overlay area W does not comprise sector X.Above-mentioned sector Y is the sector different from sector X, and sector V is the sector different from sector X.Optionally, sector Y and sector V are same sector.
In addition, the method provided as another embodiment of the present invention, in step 204, also can be by comparing maximum PR
XWith UL RSRP reference value PR
YBetween difference or the operation result that this difference carries out the functional operation gained as parameter of usining whether be greater than the second preset value T2, identify the user's group under above-mentioned user.If maximum PR
XWith UL RSRP reference value PR
YBetween difference or the operation result that this difference carries out the functional operation gained as parameter of usining be greater than the second preset value T2, perform step 205; Otherwise, if maximum PR
XWith UL RSRP reference value PR
YBetween difference or the operation result that this difference carries out the functional operation gained as parameter of usining be less than or equal to the second preset value T2, perform step 206.By comparing maximum PR
XWith UL RSRP reference value PR
YBetween difference or the operation result that this difference carries out the functional operation gained as parameter of usining whether be greater than the second preset value T2, can obtain the spatial correlation between each sector in user and multi-sector cell, thereby identify the affiliated zone of this user in multi-sector cell, in order to determine the user's group under above-mentioned user.
Another embodiment of the present invention provides a kind of resource allocation methods, comprising: be the first user in multi-sector cell and the second user assignment running time-frequency resource, and the running time-frequency resource distributed for first user is identical with the running time-frequency resource that is the second user assignment.The N of a multi-sector cell wherein sector comprises sector X and sector Y, and the overlay area of the different sectors in N sector intersects and forms M intersection overlay area, and wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N.
For example, first user belongs to the user and organizes SU
XOr the user organizes CU
Z, the user organizes SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector; The second user belongs to the user and organizes SU
YPerhaps the user organizes CU
W, the user organizes SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, the user organizes CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
And for example, first user belongs to the user and organizes SU
X, the user organizes SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, the second user belongs to the user and organizes SU
YPerhaps the user organizes CU
W, the user organizes SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, the user organizes CU
WThe user's group formed for the user in M intersection overlay area W that intersects in overlay area, do not covered by sector X.Perhaps, first user belongs to the user and organizes CU
Z, the user organizes CU
ZFor user's group of intersecting the user's composition in the Z of overlay area that the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector intersects and forms, the second user belongs to the user and organizes CU
W.
And for example, first user belongs to the user and organizes SU
X, the user organizes SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sectors forms, the second user belongs to the user and organizes SU
Y, the user organizes SU
YIn the overlay area by sector Y, user's group that the user in the zone do not intersected with other sectors forms.Perhaps, first user belongs to the user and organizes CU
Z, the user organizes CU
ZFor user's group of intersecting the user's composition in the Z of overlay area that the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector intersects and forms, the second user belongs to the user and organizes CU
W, the user organizes CU
WUser's group that the user who intersects in the intersection overlay area W formed for the overlay area of other sector outside M Yu Chu sector, overlay area X that intersects Zhong,You sector, overlay area W forms.
Optionally, the present embodiment also is included as the operation of the 3rd user assignment running time-frequency resource in multi-sector cell.Optionally, if the 3rd user and first user belong to identical user's group, be that the running time-frequency resource of the 3rd user assignment is different with the running time-frequency resource distributed for first user.If the 3rd user and the second user belong to identical user's group, be that the running time-frequency resource of the 3rd user assignment is different with the running time-frequency resource that is the second user assignment.
In the method that the above embodiment of the present invention provides, two users of multiplexing identical running time-frequency resource belong to respectively different user's groups, wherein the user's group under the user can be determined according to the maximum in the UL RSRP value of all sectors in the multi-sector cell of its feedback and the relation between UL RSRP reference value, owing to having utilized the characteristics that possess natural space isolation between each sector that forms multi-sector cell, algorithm is simple, need the time short, greatly reduce the live load of base station, improved communication efficiency; And the user organizes and determines that result is accurate, while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
The structural representation of the equipment that Fig. 3 provides for one embodiment of the present of invention, the equipment that this embodiment provides can be used in the present invention the method that above-described embodiment provides.As shown in Figure 3, the equipment of this embodiment comprises receiving element 301, acquiring unit 302 and determining unit 303.
Wherein, N the UL RSRP value that receiving element 301 sends for the user terminal that receives multi-sector cell, N corresponding N the sector that forms described multi-sector cell of UL RSRP value difference, the overlay area of the different sectors in N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N.
Acquiring unit 302 is for the maximum PR of N UL RSRP value receiving according to receiving element 301
XWith UL RSRP reference value, wherein, PR
XUL RSRP value for sector X in N sector.
The maximum PR of determining unit 303 for getting according to acquiring unit 302
XAnd the relation between the ULRSRP reference value, determine user's group that the user corresponding with above-mentioned user terminal is affiliated.
Particularly, as a specific embodiment of the present invention, determining unit 303 specifically can be for comparing maximum PR
XAnd whether the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are greater than the first preset value T1, and at maximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are greater than the first preset value T1, determine that above-mentioned user belongs to the user and organizes SU
XAt maximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are less than or equal to the first preset value T1, determine that above-mentioned user belongs to the user and organizes CU
Z.Perhaps, as another specific embodiment of the present invention, recognition unit 303 specifically can be for comparing maximum PR
XAnd whether the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are greater than the second preset value T2, and at maximum PR
XAnd, when the difference between UL RSRP reference value or the function of this difference are greater than the second preset value T2, determine that above-mentioned user belongs to the user and organizes SU
X, at maximum PR
XAnd, when the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are less than or equal to the second preset value T2, determine that above-mentioned user belongs to sector X and organizes CU with the overlay area user of intersecting that sector Y forms
Z.Wherein, SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector.
The equipment provided according to the above embodiment of the present invention, the characteristics that possess natural space isolation between each sector that forms multi-sector cell have been utilized, respectively for each user in multi-sector cell, according to the maximum in the UL RSRP value of all sectors in the multi-sector cell of its feedback and the relation between UL RSRP reference value, determine user's group that it is affiliated, thereby the user in multi-sector cell is realized to SDM; Every two users without in multi-sector cell, generate SDM user by the computer memory isolation and organize set, and algorithm is simple, needs the time short, greatly reduces the live load of base station, has improved communication efficiency; And, avoided the space characteristics of wireless channel to recur the complexity that changes the algorithm increased, complexity is low, and the user organizes and determines that result is accurate, while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
The method provided with the above embodiment of the present invention is corresponding, it can be the absolute value of the RSRP that obtained by user terminal measurement that UL RSRP value is specially, perhaps, the relative intensity value of the UL RSRP that the absolute value of the RSRP measured by the user terminal basis is calculated.Accordingly, the maximum PR in UL RSRP value
XThe absolute value of N UL RSRP value or to the maximum in intensity level specifically, the second largest value in UL RSRP value is the absolute value of N UL RSRP value or the second largest value in the relative intensity value specifically.
The structural representation of the equipment that Fig. 4 provides for another embodiment of the present invention.The equipment of this embodiment can be used in the present invention SDM method flow embodiment illustrated in fig. 2, in this embodiment, and the maximum PR in UL RSRP value
XBe specially the maximum in the relative intensity value of N UL RSRP, UL RSRP reference value is specially the second largest value in the relative intensity value of N UL RSRP.As shown in Figure 4, with the embodiment shown in Fig. 3, compare, in the equipment of this embodiment, acquiring unit 302 specifically comprises and obtains subelement 401 and chooser unit 402.Wherein, obtain the relative intensity value of subelement 401 for N UL RSRP value obtaining receiving element 301 and receive.Maximum PR, for from obtaining the relative intensity value of N the ULRSRP that subelement 401 gets, is selected in chooser unit 402
XWith second largest value PR
Y.Correspondingly, determining unit 303 is for the maximum PR of N UL RSRP value selecting according to chooser unit 402
XWith second largest value PR
YBetween relation, the user group of identification under relative users.
Referring to Fig. 4, as another embodiment of present device, can also comprise resource allocation unit 304 again, be used to above-mentioned user assignment running time-frequency resource.
Optionally, for the running time-frequency resource of above-mentioned user assignment with distribute to the user and organize SU
YPerhaps the user organizes CU
WIn a user's running time-frequency resource identical, SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
Optionally, belong to the user above-mentioned user and organize SU
XThe time, for the running time-frequency resource of above-mentioned user assignment with distribute to the user and organize SU
YPerhaps the user organizes CU
WIn a user's running time-frequency resource identical, wherein, SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, CU
WUser's group that the user who intersects in the intersection overlay area W formed for the overlay area of other sector outside M Yu Chu sector, overlay area X that intersects Zhong,You sector, overlay area W forms.Belong to the user above-mentioned user and organize CU
ZThe time, for the running time-frequency resource of above-mentioned user assignment with distribute to the user and organize CU
WIn a user's running time-frequency resource identical.
In the method that resource allocation unit 304 can also provide according to the above embodiment of the present invention, the resource distribution gives an example to carry out the resource distribution, repeats no more herein.
The equipment that the above embodiment of the present invention provides can be base station, can also, for the method that realizes that the above embodiment of the present invention provides, repeat no more herein.
The equipment that the above embodiment of the present invention provides, the characteristics that possess natural space isolation between each sector that forms multi-sector cell have been utilized, respectively for each user in multi-sector cell, according to the maximum in the UL RSRP value of all sectors in the multi-sector cell of its feedback and the relation between UL RSRP reference value, determine user's group that it is affiliated, thereby the user in multi-sector cell is realized to SDM; Every two users without in multi-sector cell, generate SDM user by the computer memory isolation and organize set, and algorithm is simple, needs the time short, greatly reduces the live load of base station, has improved communication efficiency; And, avoided the space characteristics of wireless channel to recur the complexity that changes the algorithm increased, complexity is low, load while reducing base station execution SDM, the user organizes and determines that result is accurate, while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, same or analogous part cross-references gets final product.For apparatus embodiments, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
One of ordinary skill in the art will appreciate that: realize that the hardware that all or part of step of said method embodiment can be relevant by program command completes, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
The embodiment of the present invention has realized SDM to the user in multi-sector cell, and only need obtain the spatial correlation between each sector in user and multi-sector cell, can identify the affiliated zone of this user in multi-sector cell, without every two users in multi-sector cell, generate SDM user by the computer memory isolation and organize set, algorithm is simple, needs the time short, greatly reduce the live load of base station, improved communication efficiency; And, avoided the space characteristics of wireless channel to recur the complexity that changes the algorithm increased, complexity is low, and the user organizes and determines that result is accurate, while not there will be SDM, two users, owing to using identical running time-frequency resource to occur disturbing, have effectively guaranteed SDM user's communication quality.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.
Claims (13)
1. a space division multiplexing method, is characterized in that, comprising:
Receive N the uplink reference signals received power UL RSRP value that in multi-sector cell, user terminal sends, N corresponding N the sector that forms described multi-sector cell of UL RSRP value difference, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N;
Obtain N the maximum PR in UL RSRP value
XWith UL RSRP reference value, described PR
XUL RSRP value for sector X in N sector;
According to maximum PR
XAnd the relation between UL RSRP reference value, determine user's group that the user corresponding with described user terminal is affiliated.
2. method according to claim 1, is characterized in that, described UL RSRP reference value is specially N second largest value in UL RSRP value or the mean value of N UL RSRP value.
3. method according to claim 2, it is characterized in that, described UL RSRP value is specially: the absolute value of the RSRP obtained by described user terminal measurement, or, the relative intensity value of the UL RSRP that the absolute value of the RSRP measured by described user terminal basis is calculated.
4. according to the described method of claims 1 to 3 any one, it is characterized in that, described according to maximum PR
XAnd the relation between UL RSRP reference value, determine that the user's group under the user corresponding with described user terminal comprises:
Maximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are greater than the first preset value T1, determine that described user belongs to the user and organizes SU
XMaximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are less than or equal to the first preset value T1, determine that described user belongs to the user and organizes CU
ZPerhaps
Maximum PR
XAnd, when the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are greater than the second preset value T2, determine that described user belongs to the user and organizes SU
XMaximum PR
XAnd, when the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are less than or equal to the second preset value T2, determine that described user belongs to the user and organizes CU
Z
Wherein, SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector.
5. method according to claim 4, is characterized in that, usings this ratio to carry out functional operation as parameter and be specially: this ratio is carried out usining 10 logarithm operations as the truth of a matter.
6. method according to claim 4, is characterized in that, also comprises:
For described user assignment running time-frequency resource, described running time-frequency resource with distribute to the user and organize SU
YPerhaps the user organizes CU
WIn a user's running time-frequency resource identical, SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
7. a resource allocation methods, is characterized in that, comprising:
For the first user in multi-sector cell and the second user assignment running time-frequency resource, and the running time-frequency resource distributed for first user is identical with the running time-frequency resource that is the second user assignment, the N of a described multi-sector cell sector comprises sector X and sector Y, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N; Wherein:
Described first user belongs to the user and organizes SU
XOr the user organizes CU
Z, described user organizes SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, described CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector;
Described the second user belongs to the user and organizes SU
YPerhaps the user organizes CU
W, described user organizes SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, described user organizes CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
8. method according to claim 7, is characterized in that, also comprises:
For the 3rd user assignment running time-frequency resource in multi-sector cell; Wherein:
The running time-frequency resource that is the 3rd user assignment is different with the running time-frequency resource distributed for first user, and described the 3rd user and first user belong to identical user's group; Perhaps
The running time-frequency resource that is the 3rd user assignment is different with the running time-frequency resource that is the second user assignment, and described the 3rd user and the second user belong to identical user's group.
9. a space division multiplexing equipment, is characterized in that, comprising:
Receiving element, N the uplink reference signals received power UL RSRP value sent for receiving the multi-sector cell user terminal, N corresponding N the sector that forms described multi-sector cell of UL RSRP value difference, the overlay area of the different sectors in a described N sector intersects and forms M intersection overlay area, wherein, N is greater than 1 integer, and M is greater than 0 and be not more than the integer of N;
Acquiring unit, obtain N the maximum PR in UL RSRP value
XWith UL RSRP reference value, described PR
XUL RSRP value for sector X in N sector;
Determining unit, for according to maximum PR
XAnd the relation between UL RSRP reference value, determine user's group that the user corresponding with described user terminal is affiliated.
10. equipment according to claim 9, is characterized in that, the maximum PR in described UL RSRP value
XBe specially the maximum in the relative intensity value of N UL RSRP, described UL RSRP reference value is specially the second largest value in the relative intensity value of N UL RSRP;
Described acquiring unit comprises:
Obtain subelement, for obtaining the relative intensity value of N the UL RSRP value that described receiving element receives;
The chooser unit, for from the described relative intensity value of obtaining N the UL RSRP that subelement gets, select maximum PR
XWith second largest value.
11. according to the described equipment of claim 9 or 10, it is characterized in that, described determining unit is specifically for comparing maximum PR
XAnd whether the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are greater than the first preset value T1, and at maximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are greater than the first preset value T1, determine that described user belongs to the user and organizes SU
X, at maximum PR
XAnd, when the ratio between UL RSRP reference value or the operation result that this ratio carries out the functional operation gained as parameter of usining are less than or equal to the first preset value T1, determine that described user belongs to the user and organizes CU
ZPerhaps
Described determining unit is specifically for comparing maximum PR
XAnd whether the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are greater than the second preset value T2, and at maximum PR
XAnd, when the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are greater than the second preset value T2, determine that described user belongs to the user and organizes SU
X, at maximum PR
XAnd, when the difference between UL RSRP reference value or the operation result that this difference carries out the functional operation gained as parameter of usining are less than or equal to the second preset value T2, determine that described user belongs to the user and organizes CU
Z
Wherein, SU
XFor user's group that the user in the zone in the overlay area by sector X, do not intersected with other sector forms, CU
ZThe user's group of intersecting the user's composition in the Z of overlay area that intersects and form for the overlay area of M overlay area that intersects Zhong,You sector, overlay area X and other sector.
12. according to the described equipment of claim 9 to 11 any one, it is characterized in that, also comprise:
Resource allocation unit, be used to described user assignment running time-frequency resource, described running time-frequency resource with distribute to the user and organize SU
YPerhaps the user organizes CU
WIn a user's running time-frequency resource identical, SU
YFor user's group that the user in the zone in the overlay area by sector Y, do not intersected with other sector forms, CU
WFor M intersect in overlay area, user's group that user that do not covered by sector X one intersects in the W of overlay area forms.
13. according to the described equipment of claim 9 to 11 any one, it is characterized in that, described equipment is base station.
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| WO2013056394A1 (en) * | 2011-10-19 | 2013-04-25 | Telefonaktiebolaget L M Ericsson (Publ) | Determination of ue location in a cell |
| CN103581928B (en) * | 2012-08-10 | 2016-08-10 | ***通信集团河南有限公司 | A kind of cell combining method and device |
| CN104185202B (en) * | 2013-05-24 | 2018-01-05 | 普天信息技术研究院有限公司 | The determination method of Reference Signal Received Power |
| EP2838218A4 (en) * | 2013-06-29 | 2015-10-14 | Huawei Tech Co Ltd | Signal measurement method, device and system |
| CN104518999B (en) * | 2013-09-29 | 2019-03-12 | 锐迪科（重庆）微电子科技有限公司 | Determine the method, system and mobile terminal of Reference Signal Received Power |
| CN106033487B (en) * | 2015-03-09 | 2019-02-05 | 腾讯科技（深圳）有限公司 | User matching method and device |
| US10140055B2 (en) * | 2015-12-21 | 2018-11-27 | Memory Technologies Llc | Ensuring that memory device actions are valid using reference values |
| CN107888332B (en) * | 2016-11-28 | 2019-03-01 | 电信科学技术研究院有限公司 | A kind of user's detection method and device |
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