CN102469601A

CN102469601A - Cell coordinating method and base station

Info

Publication number: CN102469601A
Application number: CN2010105484879A
Authority: CN
Inventors: 薛丽霞; 柯柏安; 闫志宇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2010-11-09
Filing date: 2010-11-09
Publication date: 2012-05-23
Anticipated expiration: 2030-11-09
Also published as: CN102469601B

Abstract

The invention discloses a cell coordinating method and a base station and belongs to the technical field of communication. The cell coordinating method comprises the following steps of: receiving a SRS (Sounding Reference Signal) configuration requirement of a collaborating cell, and configuring a second SRS parameter for a local cell according to the SRS configuration requirement of the collaborating cell. The invention also discloses the base station which comprises an acquiring module and a first configuring module.

Description

Cell coordination method and base station

Technical field

The present invention relates to communication technique field, particularly a kind of cell coordination method and base station.

Background technology

At LTE (Long-Term Evolution; Long Term Evolution) in the system, in order to realize up frequency domain dispatching, UE (User Equipment; Subscriber equipment) needing to send SRS sequence (Sounding Reference Signal, detection reference signal) surveys channel.Because a plurality of subscriber equipmenies all will send the SRS sequence; In LTE, adopt CDM (Code Division Multiplexing; Code division multiplexing) the SRS sequence of mode and FDM (Frequecy Division Multiplexing, frequency division multiplexing) the multiplexing a plurality of subscriber equipmenies of formula.

Under actual networking scene, possibly there is the phase mutual interference between neighbor cell.Particularly in the heterogeneous network; Low power nodes is that little base station is placed in the macro base station coverage area by cloth; The more little base station of macro base station transmitted power is a lot of greatly, becomes more serious with the interference problem between each base station that covers, and there be serious the interference in the upward signal of different districts UE.

Shown in Fig. 1 a, left side figure is disturbed UE place cell uplink running time-frequency resource sketch map, and right figure disturbs UE place cell uplink running time-frequency resource sketch map.When being sent the SRS sequence by the UE of interfered cell; If UE is scheduled on the identical running time-frequency resource with bigger power at PUSCH (Physical Uplink Shared Channel in the interfered cell; Physical Uplink Shared Channel) sends data, then will be received serious interference by the SRS sequence of UE in the interfered cell.Serious disturbance will make by the SRS demodulation performance of interfered cell UE and descend, and cause the control of invalid uplink data scheduling and power, uplink timing offset etc.

Shown in Fig. 1 b, left side figure is disturbed UE place cell uplink running time-frequency resource sketch map, and right figure disturbs UE place cell uplink running time-frequency resource sketch map.When being sent the SRS sequence,, then will be received serious interference by the SRS sequence of UE in the interfered cell if UE is scheduled on the identical running time-frequency resource and sends the SRS sequence with bigger power in the interfered cell by the UE of interfered cell.Serious disturbance will make by the SRS demodulation performance of interfered cell UE and descend, and cause the control of invalid uplink data scheduling and power, uplink timing offset etc.

Equally, shown in Fig. 1 c, left side figure is disturbed UE place cell uplink running time-frequency resource sketch map, and right figure disturbs UE place cell uplink running time-frequency resource sketch map.When being sent PUSCH,, then will be received serious interference by last symbol of the PUSCH signal of UE in the interfered cell if UE is scheduled on the identical running time-frequency resource and sends the SRS sequence with bigger power in the interfered cell by the UE of interfered cell.Serious disturbance will make MCS (the Modulation and Coding Scheme that is had to use low order by the decline of the PUSCH demodulation performance of interfered cell UE; Modulation coding mode) mode or more serious situation will cause data transmission fails, data transmission efficiency is reduced.

Through coordinating the SRS sequence that UE uses in the sub-district, the orthogonality in the sign indicating number territory between the SRS sequence that assurance minizone UE uses solves minizone SRS sequence and the SRS sequence interferes with each other problem in the prior art.

After prior art was analyzed, the inventor found that prior art has following shortcoming at least: can't solve the interference between the UE SRS sequence and PUSCH between the sub-district, make communication quality low, poor signal quality.

Summary of the invention

The embodiment of the invention provides a kind of cell coordination method and base station.Said technical scheme is following:

A kind of cell coordination method comprises:

Obtain the detection reference signal SRS configuration needs of cooperation cell;

According to the SRS configuration needs of said cooperation cell, for said home cell disposes the 2nd SRS parameter.

A kind of base station comprises:

Acquisition module is used to obtain the detection reference signal SRS configuration needs of cooperation cell;

First configuration module is used for the SRS configuration needs according to said cooperation cell, for said home cell disposes the 2nd SRS parameter.

The beneficial effect of the technical scheme that the embodiment of the invention provides is:

Through coordinating adjacent home cell and the SRS between cooperation cell configuration; Configuration needs according to subscriber equipment SRS in the neighbor cell; SRS parameter to home cell is configured; Avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.

Left side figure is disturbed UE place cell uplink running time-frequency resource sketch map among Fig. 1 a, and right figure disturbs UE place cell uplink running time-frequency resource sketch map;

Left side figure is disturbed UE place cell uplink running time-frequency resource sketch map among Fig. 1 b, and right figure disturbs UE place cell uplink running time-frequency resource sketch map;

Left side figure is disturbed UE place cell uplink running time-frequency resource sketch map among Fig. 1 c, and right figure disturbs UE place cell uplink running time-frequency resource sketch map;

Fig. 2 is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Fig. 3 is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Fig. 4 is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Fig. 5 a is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Fig. 5 b is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Example after a kind of cell coordination method that Fig. 5 c is to use the embodiment of the invention to provide is configured;

Fig. 6 is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Example after a kind of cell coordination method that Fig. 7 is to use the embodiment of the invention to provide is configured;

Example after a kind of cell coordination method that Fig. 8 is to use the embodiment of the invention to provide is configured;

Example after a kind of cell coordination method that Fig. 9 is to use the embodiment of the invention to provide is configured;

Figure 10 is the flow chart of a kind of cell coordination method of providing of the embodiment of the invention;

Figure 11 is the structural representation of a kind of base station of providing of the embodiment of the invention;

Figure 12 is the structural representation of a kind of base station of providing of the embodiment of the invention;

Figure 13 is the structural representation of a kind of base station of providing of the embodiment of the invention;

Figure 14 is the structural representation of a kind of base station of providing of the embodiment of the invention;

Figure 15 is the structural representation of a kind of base station of providing of the embodiment of the invention;

Figure 16 is the structural representation of a kind of base station of providing of the embodiment of the invention.

Embodiment

For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.

Need to prove that the embodiment of the invention is just with cooperation cell A, home cell B is that example describes technical scheme of the present invention, and embodiments of the invention can also be used in the scene more than two cooperation cell, for example have in the scene of a plurality of cooperation cell A.Wherein said cooperation cell A is the adjacent or same cell covered of home cell B.

Below some technical terms that the present invention relates to are carried out concise and to the point introduction:

User device transmissions SRS: remove TDD (Time Division Duplexing; Time division duplex) outside the special subframe of system; The SRS sequence is in last symbol transmission of sub-frame of uplink; The frequency domain interval of SRS sequence is two equivalent subcarriers (it is two broach of 2 that subcarrier in frequency domain is divided into spacing, and its SRS sequence is positioned on the frequency domain resource of one of them broach concerning certain UE).UE adopts certain sign indicating number resource transmission SRS sequence on the subframe of appointment and/or frequency domain resource.

The SRS parameter: in LTE, there is exclusive SRS sequence set each sub-district, and the resource information (for example can comprise sub-frame information) that is used for user device transmissions SRS sequence in each sub-district is carried through this sub-district exclusive signaling Cell-specific SRS parameter.Its SRS parameter separately of each sub-district separate configurations.Received the Cell-specific SRS signaling of designated cell as UE after; To when sending PUSCH, not use OFDM (Orthogonal Frequency Division Multiplexing, the OFDM) sign resources that possibly be used for the SRS transmission in these Cell-specific SRS subframes.In addition; Certain subscriber equipment is before sending the SRS sequence; Can also receive the signaling UE-specific SRS parameter of the designated user equipment of network transmission; The resource that is used for user device transmissions SRS sequence in this this sub-district of signaling indication, the resource of specifically using that is used for the transmitting SRS sequence by this certain subscriber equipment.The resource that is used for the transmitting SRS sequence that subscriber equipment uses can comprise: time-domain resource, frequency domain resource and/or sign indicating number territory resource.

Cell-specific SRS parameter can comprise " srs-BandwidthConfig (SRS band width configuration) ", " srs-SubframeConfig (SRS sub-frame configuration) " and/or " Simultaneous-AN-and-SRS (AN and SRS transmit simultaneously) ".

UE-specific SRS parameter can comprise " Transmission comb (transmission broach) ", " Starting physical resource block assignment (PRB (Physical Resource Block, starting point) distribution) ", " Duration of SRS transmission (transmitting continuous time of SRS) ", " srs-ConfigIndex I _SRSFor SRS periodicity and SRS subframe offset T _Offset(the SRS transmission cycle is supported the configuration indication with skew) ", " srs-Bandwidth (SRS bandwidth) ", " Frequency hopping bandwidth (frequency hopping bandwidth) " and/or " Cyclic shift (cyclic shift) ".

Wherein, a UE in a sub-district, the corresponding resource distribution of the UE-specific SRS parameter that it receives is a sub-set of the corresponding resource distribution of the SRS parameter of this sub-district Cell-specific.With the frequency domain resource is example, as: 3GPP TS 36.211 v9.1.0, " Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation " description among the 5.5.3.2, the frequency domain mapping resource of SRS is: each upstream bandwidth is disposed Cell-specific SRS parameter s rs-BandwidthConfigC _SRS{ 0,1,2,3,4,5,6,7} is at C for ∈ _SRSEvery kind of value condition under, four kinds of values of srs-Bandwidth in the UE-specific SRS parameter are arranged.

According to the SRS parameter configuration of these Cell-specific and/or UE-specific, UE can confirm the part resource that time, frequency, sign indicating number resource and/or the upstream data PUSCH of its SRS sequence transmission are not shone upon.

For fear of interference among adjacent cells, the embodiment of the invention provides a kind of cell coordination method, wherein; In embodiments of the present invention, be example with the coordination between the adjacent sub-district, comprise a cooperation cell and a home cell in this adjacent sub-district; Referring to Fig. 2, this method comprises:

101: the detection reference signal SRS configuration needs of obtaining cooperation cell;

Wherein, When cooperation cell and home cell belong to a base station; The detection reference signal SRS configuration needs of said cooperation cell can be obtained by the base station voluntarily; When cooperation cell and home cell do not belong to a base station, belong to base station under the home cell can through and cooperation cell under communication link between the base station obtain the detection reference signal SRS configuration needs of getting said cooperation cell.

102: according to the SRS configuration needs of said cooperation cell, for said home cell disposes the 2nd SRS parameter.

Those skilled in the art can know, an effect of the 2nd SRS parameter is to confirm the subscriber equipment resource that (when on PUSCH, sending data) can not take when sending data.And home cell can notify the subscriber equipment in its zone to communicate according to corresponding configuration and sub-district according to the 2nd SRS parameter that configures.

Through coordinating adjacent home cell and the SRS between cooperation cell configuration; According to the resource distribution that is used to send the SRS sequence in the neighbor cell; The resource of home cell being sent the SRS sequence is configured; Can avoid PUSCH that the stronger UE of one of them cell transmit power sends interference to the SRS sequence of another sub-district UE, and the PUSCH of the stronger UE of one of them cell transmit power SRS sequence of sending and another sub-district UE between interference.

In order to solve interference problem and to satisfy the actual demand of home cell simultaneously to the SRS resource; Optional; 102 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for said home cell disposes the 2nd SRS parameter.

For fear of interference among adjacent cells, the embodiment of the invention provides a kind of cell coordination method, and this embodiment has optimized the configuration of two minizone SRS parameters further on the basis of step 101-102, and referring to Fig. 3, this method comprises:

201: the detection reference signal SRS configuration needs of obtaining cooperation cell; Wherein, When cooperation cell and home cell belong to a base station; The detection reference signal SRS configuration needs of said cooperation cell can be obtained by the base station voluntarily; When cooperation cell and home cell do not belong to a base station, belong to base station under the home cell can through and cooperation cell under communication link between the base station obtain the detection reference signal SRS configuration needs of getting said cooperation cell;

202: according to the SRS configuration needs of this cooperation cell; For this cooperation cell disposes a SRS parameter; And dispose the 2nd SRS parameter for this home cell; Wherein, first of the SRS parameter indication set is the subclass of second set of the 2nd SRS parameter indication or this second set subclass for this first set;

Wherein, above-mentioned first set or second set can be that subscriber equipment sends the sub-frame resources of SRS sequence and/or the set of frequency domain resource.

Optional, can comprise after the step 202:

Subscriber equipment sends the 2nd SRS parameter in this home cell, so that this subscriber equipment sends SRS sequence and/or data according to the 2nd SRS parameter.Wherein, the transmission data can be meant and on PUSCH, send data.Concrete, subscriber equipment can use the resource in the second indicated range of convergence of the 2nd SRS parameter to send the SRS sequence, and/or does not send PUSCH on the resource in said second range of convergence.

Optional, can also comprise after the step 202, send a said SRS parameter to this cooperation cell, so that said cooperation cell is configured the resource that is used for user device transmissions SRS sequence in the cooperation cell according to a said SRS parameter.Concrete, after cooperation cell is made above-mentioned configuration, can be so that the subscriber equipment in the cooperation cell use the resource in the first indicated range of convergence of a SRS parameter to send the SRS sequence, and/or do not send PUSCH on the resource in said first range of convergence.

Through coordinating adjacent home cell and the SRS between cooperation cell configuration; According to the resource distribution demand that is used to send the SRS sequence in the neighbor cell; The resource of home cell being sent the SRS sequence is configured; And through having disposed SRS resource respectively for cooperation cell and home cell with general collection and subset relation; Can avoid PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.

In order to solve interference problem and to satisfy the actual demand of home cell simultaneously to the SRS resource; Optional; 202 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for said home cell disposes the 2nd SRS parameter.Concrete, when the resources requirement of the SRS of home cell during more than or equal to first resource threshold, can be according to one the 2nd SRS parameter of SRS configuration needs configuration of said cooperation cell, make the proper subclass of said first set for said second set; Or when the resources requirement of the SRS of home cell during less than said first resource threshold, can be according to another the 2nd SRS parameter of SRS configuration needs configuration of said cooperation cell, make the subclass of said second set for said first set.

For fear of interference among adjacent cells, the embodiment of the invention provides a kind of cell coordination method, and this embodiment has further optimized the configuration of two minizone SRS parameters on the basis of step 201-202, and referring to Fig. 4, this method comprises:

301: the SRS configuration needs of obtaining cooperation cell;

302:,, and dispose the 2nd SRS parameter for this home cell for this cooperation cell disposes a SRS parameter according to the SRS configuration needs of this cooperation cell; Wherein, first of the SRS parameter indication set is the subclass of second set of the 2nd SRS parameter indication or this second set subclass for this first set;

Optional, 302 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for said home cell disposes the 2nd SRS parameter.

303: according to a SRS parameter and the 2nd SRS parameter; Dispose the Three S's RS parameter of this cooperation cell and the 4th SRS parameter of home cell; Make that the 3rd set of this Three S's RS parameter indication is the subclass of this first set; The 4th set of the 4th SRS parameter indication is the subclass of this second set, and the 3rd set and the 4th intersection of sets collection are empty set;

Optional, 304: a SRS parameter and Three S's RS parameter are sent to this cooperation cell, so that this cooperation cell is configured according to the SRS resource of above-mentioned configuration to subscriber equipment in this cooperation cell.

Alternatively, after the step 303, also comprise:

3031: according to first resource in the 4th SRS parameter configuration the 4th range of convergence of this home cell; And will indicate the parameter of this first resource and the 2nd SRS parameter of this home cell to send to the subscriber equipment in this home cell; So that the subscriber equipment in this home cell can send data according to the 2nd SRS parameter; (for example can not sending PUSCH on the resource in second range of convergence); And/or subscriber equipment can send the SRS sequence according to the parameter of this first resource of indication in this home cell on said first resource.

Optional, after the step 304, the cooperation cell side can also may further comprise the steps:

3041: according to the information resources in Three S's RS parameter configuration the 3rd range of convergence of this cooperation cell; And will indicate the parameter of these information resources and a SRS parameter of this cooperation cell to send to the subscriber equipment in this cooperation cell, so that this subscriber equipment sends the SRS sequence on these information resources.Concrete; Subscriber equipment in this cooperation cell can send data (for example not sending PUSCH on the resource in first range of convergence) according to a SRS parameter; And/or the subscriber equipment in this cooperation cell can send the SRS sequence according to the parameter of these information resources of indication on said information resources.

Those skilled in the art can be known; The 2nd SRS parameter be home cell the SRS configuration parameter (for example; Cell-specific SRS parameter); The resource distribution that the SRS configuration parameter of subscriber equipment in this sub-district (for example, indicating the parameter of first resource, UE-specific SRS parameter) is corresponding is a sub-set of second set of the 2nd SRS parameter indication.And pairing the 4th set of the 4th SRS parameter that is disposed in embodiments of the present invention is said second set, one sub-set; Make that the home cell base station is that the SRS configuration parameter of the subscriber equipment of user device configuration is in the scope of the 4th set, further defines the scope of the SRS configuration parameter of subscriber equipment.Better avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.Be the set of quadrature through the subscriber equipment between different districts is sent the used resource distribution of SRS further, avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE.

For fear of interference among adjacent cells, on the basis of above-mentioned 301-304, the embodiment of the invention provides a kind of cell coordination method, and referring to Fig. 5 a, this method comprises:

401: the SRS configuration needs of obtaining cooperation cell;

402: according to the SRS configuration needs of this cooperation cell; For this cooperation cell disposes a SRS parameter; And for this home cell disposes the 2nd SRS parameter, it is the subclass of this first set that subclass or this second set of gathering for second of the 2nd SRS parameter indication are gathered in first of SRS parameter indication;

Optional, 402 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for said home cell disposes the 2nd SRS parameter.

403: according to a SRS parameter and the 2nd SRS parameter; Dispose the Three S's RS parameter of this cooperation cell and the 4th SRS parameter of home cell; And the 5th SRS parameter of cooperation cell and home cell, the 4th set that makes the subclass that the 3rd of this Three S's RS parameter indication is gathered for this first set, the 4th SRS parameter indicate is the subclass of this second set; The 3rd set simultaneously and the 4th set are unequal, and common factor is the 5th set of the 5th SRS parameter indication;

Optional, 404: a SRS parameter, Three S's RS parameter and the 5th SRS parameter are sent to this cooperation cell.

Optional, after the step 404, this cooperation cell side can also may further comprise the steps:

4041: according to the 4th resource in the supplementary set scope of the 5th set in said the 5th SRS parameter and the 3rd set of Three S's RS parameter configuration; And will indicate the parameter of the 4th resource and a SRS parameter of this cooperation cell to send to the subscriber equipment in this cooperation cell, so that this subscriber equipment sends the SRS sequence on the 4th resource.Concrete; Subscriber equipment in this cooperation cell can send data according to a SRS parameter; (for example; Do not send PUSCH on the resource in first range of convergence), and/or the subscriber equipment in this cooperation cell can send the SRS sequence according to the parameter of indication the 4th resource on said the 4th resource;

For further balancing resources utilance with prevent to disturb between relation, step 4031 can also be alternative by the following step:

4041a: the interference of the SRS sequence that the SRS sequence that UE sends in adjacent sub-district (for example sending the sub-district of a said SRS parameter) is sent this cooperation cell UE is during greater than first predetermined threshold value; According to the 4th resource in the supplementary set scope of the 5th set in said the 5th SRS parameter and the 3rd set of Three S's RS parameter configuration; And will indicate the parameter of the 4th resource and a SRS parameter of this cooperation cell to send to the subscriber equipment in this cooperation cell, so that this subscriber equipment sends the SRS sequence on the 4th resource.Concrete; Subscriber equipment in this cooperation cell can be according to a SRS parameter; Do not send PUSCH on the resource in first range of convergence, and/or the subscriber equipment in this cooperation cell can send the SRS sequence according to the parameter of indication the 4th resource on said the 4th resource; Or

4041b: the interference of the SRS that the SRS that UE sends in adjacent sub-district (for example sending the sub-district of a said SRS parameter) sends this cooperation cell UE is during less than first predetermined threshold value; According to the information resources in Three S's RS parameter configuration the 3rd range of convergence of this cooperation cell; And will indicate the parameter of these information resources and a SRS parameter of this cooperation cell to send to the subscriber equipment in this cooperation cell, so that this subscriber equipment sends SRS sequence and/or data on these information resources.Concrete; Subscriber equipment in this cooperation cell can be according to a SRS parameter; Do not send PUSCH on the resource in first range of convergence, and/or the subscriber equipment in this cooperation cell can send the SRS sequence according to the parameter of these information resources of indication on said information resources.

Alternatively, in embodiments of the present invention, step 403 can also comprise later:

4031: according to second resource in the supplementary set scope of the 5th set in said the 5th SRS parameter and the 4th set of the 4th SRS parameter configuration; And will indicate the parameter of this second resource and said the 2nd SRS parameter to send to the subscriber equipment in the home cell; So that the subscriber equipment in this home cell can send data (for example can not sending PUSCH on the resource in second range of convergence) according to the 2nd SRS parameter; And/or the subscriber equipment in this home cell can send the SRS sequence according to the parameter of this second resource of indication on said second resource;

4031a: the interference of the SRS that the SRS that sends as UE in the cooperation cell sends this home cell UE is during greater than second predetermined threshold value; According to second resource in the supplementary set scope of the 5th set in said the 5th SRS parameter and the 4th set of the 4th SRS parameter configuration; And will indicate the parameter of this second resource and said the 2nd SRS parameter to send to the subscriber equipment in the home cell; So that the subscriber equipment in this home cell can be according to the 2nd SRS parameter; Do not send PUSCH on the resource in second range of convergence, and/or the subscriber equipment in this home cell can send the SRS sequence according to the parameter of this second resource of indication on said second resource; Or

4031b: the interference of the SRS that the SRS that sends as UE in the cooperation cell sends this home cell UE is during less than second predetermined threshold value; According to first resource in the 4th SRS parameter configuration the 4th range of convergence of this home cell; And will indicate the parameter of this first resource and the 2nd SRS parameter of this home cell to send to the subscriber equipment in this home cell; So that the subscriber equipment in this home cell can be according to the 2nd SRS parameter; Do not send PUSCH on the resource in second range of convergence, and/or subscriber equipment can send the SRS sequence according to the parameter of this first resource of indication in this home cell on said first resource.

The difference of the embodiment of the invention and above-mentioned 301-304 is the SRS sequence with the UE between different districts to interfere with each other serious subscriber equipment, and to send the used resource distribution of SRS sequence be the set of quadrature, avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE further.

The method that present embodiment provides; Through coordinating the SRS configuration between home cell and the cooperation cell; With the SRS sub-frame resources set configuration of neighbor cell is the relation of general collection and subclass; Avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.Interfering with each other serious subscriber equipment through the SRS sequence with UE between different districts further, to send the used resource distribution of SRS sequence be the set of quadrature, avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE.

Disturb for fear of the upward signal between neighbor cell, on the basis of step 301-304, the embodiment of the invention provides a kind of cell coordination method, and referring to Fig. 5 b, this method comprises:

501: the SRS configuration needs of obtaining cooperation cell A;

502:,, and dispose the 2nd SRS parameter for home cell B for cooperation cell A disposes a SRS parameter according to the SRS configuration needs of cooperation cell A; Optional, first set of SRS parameter indication can be identical with second set of the 2nd SRS parameter indication;

Optional, 502 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for cooperation cell A disposes a SRS parameter, and dispose the 2nd SRS parameter for said home cell.

Wherein, when this first set was the subclass of this second set, this second set comprised that at least two are used for the set that subscriber equipment sends the sub-frame resources of SRS; When this second set was the subclass of this first set, this first set comprised that at least two are used for the set that subscriber equipment sends the sub-frame resources of SRS.

Particularly; Home cell B is provided with the SRS parameters C ellA_specific SRS of each cooperation cell A according to the SRS configuration needs of home cell SRS configuration needs and each cooperation cell A; And the 2nd SRS parameters C ellB_specific SRS is set for home cell B; Make first set of SRS parameter indication be srsSubframeConfiguration_A, make second set of the 2nd SRS parameter indication be srsSubframeConfiguration_B; Optional, when configuration, two set meet the following conditions: srsSubframeConfiguration_A=srsSubframeConfiguration_B.

503: according to a SRS parameter and the 2nd SRS parameter; Dispose the Three S's RS parameter of this cooperation cell and the 4th SRS parameter of home cell; Make that the 3rd set of this Three S's RS parameter indication is the subclass of first set of SRS parameter indication; The 4th set of the 4th SRS parameter indication is the subclass of second set of the 2nd SRS parameter indication, and the 3rd set and the 4th intersection of sets collection are empty set;

Particularly; The 3rd set of said Three S's RS parameter indication is the set for the corresponding resource of UE-specific SRS parameter of user device configuration in the cooperation cell, and the 4th set of said the 4th SRS parameter indication is the set for the corresponding resource of UE-specific SRS parameter of user device configuration in the home cell.Concrete; The 4th set of supposing the 4th SRS parameter indication of home cell is CellB_UE_t; The 3rd set of the Three S's RS parameter indication of cooperation cell is CellA_UE_t; CellA_UE_t

srsSubframeConfiguration_A is satisfied in the 3rd set and the 4th set; CellB_UE_t srsSubframeConfiguration_B, and (CellA_UE_t ∩ CellB_UE_t)=φ.

Illustrate, for example, shown in Fig. 5 c, the example after a kind of cell coordination method that Fig. 5 c is to use the embodiment of the invention to provide is configured wherein, has N UE in the A sub-district; Be respectively: UE1, UE2 ..., UEN, the individual UE of N ' is arranged in the B sub-district, be respectively: UE1 ', UE2 ' ..., UEN ', the up-link wireless frame of each UE comprises 10 sub-frame #0～#9, through the method that present embodiment provides, the first set srsSubframeConfiguration_A of a SRS parameter of A sub-district indication is set to { #0; #1, #2, #3, #4, #6, #8}; The second set srsSubframeConfiguration_B of the 2nd SRS parameter indication of B sub-district is set to { #0, #1, #2, #3, #4; #6, #8}, and the sub-frame resources that allows UE to send SRS in the A sub-district is gathered the 3rd set CellA_UE_t and is set to { #0, #1, #2; #4, }, the 3rd set { #0, #1, #2; #4, } be the subclass of first set, the sub-frame resources that allows UE to send SRS in the B sub-district is gathered the 4th set CellB_UE_t and is set to { #3, #6, #8;, the 4th set #3, and #6, #8, be the subclass of second set; At this moment, the 3rd set and the 4th set are not occured simultaneously, and then, when the UE among the A of sub-district sends SRS, following situation can be arranged; UE1 is in that { send the SRS sequence on the resource of #0}, UE2 is in that { #0 sends the SRS sequence on the resource of #1}, UEN { is sending the SRS sequence, (shown in the CellA_UE_srsSubframe among the figure) on the resource of #4}.And the set in the A of sub-district #0, and #1, #2, #3, #4, #6, on last symbol of each subframe of #8}, all subscriber equipmenies do not send the PUSCH signal in the A of sub-district.UE among the B of sub-district is when sending the SRS sequence; Following situation can be arranged, and UE1 ' is in that { send the SRS sequence on the resource of #6}, UE2 ' { is sending the SRS sequence on the resource of #3}; UEN ' { is sending the SRS sequence, (shown in the Cell_BUE_srsSubframe among the figure) on the resource of #8}.Set in the B of sub-district equally #0, and #1, #2, #3, #4, #6, on last symbol of each subframe of #8}, all subscriber equipmenies do not send the PUSCH signal in the B of sub-district.Subscriber equipment sends the complete quadrature of resource of the resource and the interior subscriber equipment transmission of the sub-district B SRS sequence of SRS sequence in the A of sub-district like this, has avoided the interference between the inter-cell user equipment SRS.Subscriber equipment sends on the resource allocation of SRS sequence in the A of sub-district simultaneously; Subscriber equipment does not send PUSCH in the B of sub-district; Subscriber equipment sends on the resource allocation of SRS sequence in the B of sub-district; Subscriber equipment does not send PUSCH yet in the A of sub-district, has avoided the interference between the subscriber equipment SRS sequence and PUSCH between the sub-district.

504: a SRS parameter and this Three S's RS parameter are sent to this cooperation cell A;

Optional, in embodiments of the present invention, also comprise after this step 503:

According to first resource in the 4th SRS parameter configuration the 4th range of convergence of this home cell; And will indicate the parameter of this first resource and the 2nd SRS parameter of this home cell to send to subscriber equipment in this home cell, so that subscriber equipment sends data and/or on this first resource, sends the SRS sequence according to the 2nd SRS parameter in this home cell;

When cooperation cell A receives a SRS parameter with this Three S's RS parameter, be configured according to a SRS parameter and the SRS resource of this Three S's RS parameter to subscriber equipment in the said cooperation cell A.

Particularly; Cooperation cell A is according to the parameter of this sub-district of S set ubframeConfiguration_A configuration Cell-specific SRS subframe of the SRS parameter indication that receives; Parameter area according to CeliA_UE_t sets is set this sub-district UE-specific SRS subframe; And be this sub-district UE configuration UE-specific SRS sub-frame resources CellB_UE_srsSubframe, make and satisfy CellB_UE_srsSubframe CellA_UE_t.

Need to prove; The coordination process of above-mentioned minizone SRS configuration can be three and more minizone coordination scene; Neighbor cell can be one or more, when receiving the SRS configuration needs of a plurality of cooperation cell, and can be according to Sort Priorities such as distance or signal strength signal intensities; And according to priority the SRS configuration needs of each cooperation cell is handled, also can handle the configuration needs of each cooperation cell according to the time sequencing that receives configuration needs.

Method provided by the invention; Through coordinating the SRS configuration between home cell and the cooperation cell; With the SRS sub-frame resources set configuration of neighbor cell is identical set, has avoided when sending data, and the SRS sequence of the UE that transmitted power is stronger is to the interference of the PUSCH of UE transmission in other sub-districts; Avoided simultaneously when sending data, the PUSCH of the UE that transmitted power is stronger is to the interference of the SRS sequence of UE transmission in other sub-districts.Further, it is the set of quadrature that the subscriber equipment between different districts is sent the used resource distribution of SRS, has avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE.

For fear of interference among adjacent cells, the embodiment of the invention provides a kind of cell coordination method, and referring to Fig. 6, this method comprises:

601: the SRS configuration needs of obtaining cooperation cell A;

602: according to the SRS configuration needs of cooperation cell A, for cooperation cell A disposes a SRS parameter, and for home cell B disposes the 2nd SRS parameter, optional, first set of SRS parameter indication is identical with second set of the 2nd SRS parameter indication;

Optional, 602 steps can also specifically comprise: according to the SRS configuration needs of said cooperation cell and the SRS configuration needs of said home cell, for cooperation cell A disposes a SRS parameter, and dispose the 2nd SRS parameter for said home cell.

Wherein, this first set and this second set comprise at least that respectively two are used for the sub-frame resources of subscriber equipment transmission SRS and the set of frequency domain resource.

Frequency domain resource can be by the frequency domain resource parameter: parameters such as frequency domain starting point, bandwidth, frequency hopping bandwidth, broach are confirmed.

603: according to a SRS parameter and the 2nd SRS parameter; Dispose the Three S's RS parameter of this cooperation cell and the 4th SRS parameter of home cell; Make that the 3rd set of this Three S's RS parameter indication is the subclass of first set of SRS parameter indication; The 4th set of the 4th SRS parameter indication is the subclass of second set of the 2nd SRS parameter indication, and the 3rd set and the 4th intersection of sets collection are empty set;

In embodiments of the present invention, the first set frequency domain resource is the frequency domain resource resource that can be used for sending SRS in the sub-district, and second set is identical with first set.The sub-frame resources that comprises in the 3rd set is identical with first set, and promptly identical with first set on the time domain, its frequency domain resource that comprises is the subclass of first set.The sub-frame resources that comprises in the 4th set is identical with second set; Be identical on the time domain with second set; Its frequency domain resource that comprises is the subclass of second set, and the 3rd set and the 4th is integrated into quadrature on the frequency domain (promptly the common factor of the frequency domain resource of the 3rd set and the 4th set is an empty set).

Through above configuration, the UE among cooperation cell A and the home cell B sends the complete quadrature of frequency domain resource of SRS, can avoid the interference of SRS and SRS between sub-district A, the interior UE of B fully.Simultaneously since among cooperation cell A and the home cell B the indicated resource of Cell-specific SRS identical; Like this among the cooperation cell A on the SRS resource of UE; UE can mapping uplink data PUSCH among the home cell B; Among the home cell B on the SRS resource of UE, UE can mapping uplink data PUSCH yet among the cooperation cell A, can avoid in sub-district A, the B interference of PUSCH and SRS between the UE.

As shown in Figure 7, Fig. 7 is to use the example after above-mentioned steps is carried out resource distribution, wherein, have in the A sub-district UE1, UE2 ..., UEN, have in the B sub-district UE1 ', UE2 ' ..., UEN ', the up-link wireless frame of UE comprises 10 sub-frame #0～#9, the method that provides through present embodiment; The one SRS parameter of A sub-district be set to indicate first the set (F0, #0), (F1, #1), (F2, #2) }, (F3; #3) }, (F4, #4), (F6, #6), (F8, #8) }; The 2nd SRS parameter of B sub-district be set to indicate second the set (F0, #0), (F1, #1), (F2, #2) }, (F3; #3) }, (F4, #4), (F6, #6), (F8, #8) }; And the 3rd set CellA_UE that allows UE to send the Three S's RS parameter indication of SRS in the A sub-district be set to (F ' 0, #0), (F ' 1, #1), (F ' 2, #2) }; (F ' 3, #3) }, (F ' 4, #4), (F ' 6, #6); (F ' 8, #8) }, allow the 4th set CellB_UE of the 4th SRS parameter indication of UE transmission SRS to be set in the B sub-district (F " 0, #0), (F " 1, #1); (F " 2, #2) }, (F " 3, #3) }, (F " 4, #4); (F " 6, #6), (F " 8, #8) }, if (F ' n, #n) } (Fn; #n) }, n=0 ..9, (F " n, #n) } (Fn, #n); N=0 ... 9} and { (F ' n, #n) } ∩ (F " n, #n) }=φ, n=0 ... 9.I.e. the 3rd set is occured simultaneously with the 4th set and is empty set, then, and when the UE among the A of sub-district sends the SRS sequence, in the drawings, the running time-frequency resource of UE transmission SRS sequence among CellA_UE_srsFreq TX and CellB_UE_srsFreq TX difference indicating cell A and the sub-district B.Following situation can be arranged, and UE1 sends the SRS sequence on the resource of { (f ' 0_1, #0) }, UE2 f ' 0_2, #0); (f ' 1_2, #1) } resource on send the SRS sequence, UEN (f ' 0_N, #0); (f ' 2_N, #2), (f ' 4_N, #4); (f ' 6_N, #6), (f ' 8_N, #8) } resource on send the SRS sequence.{ (f ' n_q wherein; #n) }

{ (F ' n, #n) } (q=1 ... N; N=0; ... 9), (f ' n_q, #n) } represent that q subscriber equipment sends the running time-frequency resource that SRS uses in the n sub-frame.Sub-frame resources set in the A of sub-district #0, and #1, #2, #3, #4, #6, on last symbol of each subframe of #8}, all subscriber equipmenies do not send the PUSCH signal in the A of sub-district, are expressed as No Tx in the drawings.UE among the B of sub-district can have following situation when sending the SRS sequence, UE1 ' (f " 6_1 '; #6) } resource on send SRS, UE2 ' (f " 3_2 ', #3) } resource on send SRS sequence, UEN ' (f " 4_N ', #4); (f " 8_N ', #8) } resource on send the SRS sequence.Wherein (f " n_q '; #n) }

(F " n, #n) } (q '=1 ... N; N=0; ... 9), (f " n_q ', #n) } and represent that the individual subscriber equipment of q ' sends the running time-frequency resource that the SRS sequence is used in the n sub-frame.Sub-frame resources in the B of sub-district set equally #0, and #1, #2, #3, #4, #6, on last symbol of each subframe of #8}, all subscriber equipmenies do not send the PUSCH signal in the B of sub-district, are expressed as No Tx in the drawings.Subscriber equipment sends the complete quadrature of resource of the resource and the interior subscriber equipment transmission of the sub-district B SRS sequence of SRS sequence in the A of sub-district like this, has avoided the interference between the inter-cell user equipment SRS sequence.Subscriber equipment sends on the resource allocation of SRS sequence in the A of sub-district simultaneously; Subscriber equipment does not send PUSCH in the B of sub-district; Subscriber equipment sends on the resource allocation of SRS sequence in the B of sub-district; Subscriber equipment does not send PUSCH yet in the A of sub-district, has avoided the interference between the subscriber equipment SRS sequence and PUSCH between the sub-district.

604: a SRS parameter and this Three S's RS parameter are sent to this cooperation cell A;

Optional, in embodiments of the present invention, also comprise after this step 603:

605: when cooperation cell A receives a SRS parameter with this Three S's RS parameter, be configured according to a SRS parameter and the SRS resource of this Three S's RS parameter to subscriber equipment in the said cooperation cell A.

The method that present embodiment provides; Through coordinating the SRS configuration between home cell and the cooperation cell; With the SRS sub-frame resources set configuration of neighbor cell is identical set, has avoided when sending data, and the SRS sequence of the UE that transmitted power is stronger is to the interference of the PUSCH of UE transmission in other sub-districts; Avoided simultaneously when sending data, the PUSCH of the UE that transmitted power is stronger is to the interference of the SRS sequence of UE transmission in other sub-districts.Further, it is the set of quadrature that the subscriber equipment between different districts is sent the used resource distribution of SRS sequence, has avoided the problem that interferes with each other between minizone SRS sequence and the SRS sequence.

For fear of interference among adjacent cells; The embodiment of the invention provides a kind of cell coordination method; The basic principle of this method and above-mentioned on the basis of step 501-505, in method similar, difference is; In the embodiment of the invention, first set of SRS parameter indication is that the subclass or second set of second set of the 2nd SRS parameter indication is the subclass of first set.First set with SRS parameter indication is that the subclass that second of the 2nd SRS parameter indication is gathered is an example; Through coordinating the SRS configuration between home cell and the cooperation cell; The SRS that coordinates cooperation cell is configured to the subclass of the SRS configuration of home cell, the problem that the PUSCH that has avoided home cell UE disturbs SRS sequence or the PUSCH of cooperation cell UE.

Referring to Fig. 8; Example after a kind of cell coordination method that Fig. 8 is to use this embodiment to provide is configured, wherein, have in the A sub-district UE1, UE2 ..., UEN; Have in the B sub-district UE1 ', UE2 ' ..., UEN ', the up-link wireless frame of UE comprises 10 sub-frame #0～#9.Through the method that present embodiment provides, a SRS parameter of A sub-district is set to indicate first set { #0, #1, #2, the #4}; The 2nd SRS parameter of B sub-district is set to indicate second set { #0, #1, #2, #3, the #4; #6, #8}, first set is the subclass of second set, and the 3rd set CellA_UE_t that allows UE to send the Three S's RS parameter indication of SRS sequence in the A sub-district is set to { #0, #1; #2, #4}, the 3rd set { #0, #1, #2; #4} is the subclass of first set, and the 4th set CellB_UE_t that allows UE to send the 4th SRS parameter indication of SRS sequence in the B sub-district is set to { #3, #6, #8}, the 4th set { #3; #6, #8} are the subclass of second set, and the 3rd set and the 4th set are not occured simultaneously.Then, when UE among the A of sub-district sends SR S sequence, following situation can be arranged, UE1 is in that { send the SRS sequence on the resource of #0}, UE2 is in that { send the SRS sequence on the resource of #1}, UEN is in that { #0, #2 send the SRS sequence on the resource of #4}.UE among the B of sub-district can have following situation when sending the SRS sequence, UE1 ' { is sending the SRS sequence on the resource of #6}; UE2 ' { is sending the SRS sequence on the resource of #3}; UEN ' is in that { #3 sends the SRS sequence, at this moment on the resource of #8}; The complete quadrature of resource that UE in neighbor cell A and the B uses when sending the SRS sequence can not produce and interferes with each other.And send on the resource of SRS sequence at the UE of sub-district A that subscriber equipment can not send PUSCH in the B of sub-district, avoided subscriber equipment sends in the B of sub-district PUSCH interference to subscriber equipment SRS sequence in the A of sub-district.

If to make second set of the 2nd SRS parameter indication be the subclass of first set of SRS parameter indication in configuration in the above-mentioned steps, the complete quadrature of resource that when transmission SRS, uses of the UE in neighbor cell A and the B then can not produce and interferes with each other.And send on the resource of SRS at the UE of sub-district B that subscriber equipment can not send PUSCH in the A of sub-district, avoided subscriber equipment sends in the A of sub-district PUSCH interference to subscriber equipment SRS in the B of sub-district.Principle is identical.

Method provided by the invention; Through coordinating the SRS configuration between home cell and the cooperation cell; With the SRS sub-frame resources set configuration of neighbor cell is the relation of general collection and subclass; Avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.Further, it is the set of quadrature that the subscriber equipment between different districts is sent the used resource distribution of SRS sequence, has avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE.

For fear of interference among adjacent cells; The embodiment of the invention also provides a kind of cell coordination method; The basic principle of this method respectively with the foregoing description 601-605 in method similar; Difference is that in the embodiment of the invention, first set of SRS parameter indication is that the subclass or second set of second set of the 2nd SRS parameter indication is the subclass of first set.

Further; In embodiments of the present invention; The 4th set can also be the union of two sub-set, and the ordinate of each element is identical with the ordinate of all or part of element in the 3rd set in one of them subclass, but corresponding abscissa is different; The ordinate of element of the ordinate of element and the 3rd set is different in another subclass, and corresponding abscissa is any frequency domain resource that can be taken by SRS.Illustrate, referring to Fig. 9, the example after a kind of cell coordination method that Fig. 9 is to use the embodiment of the invention to provide is configured, wherein, have in the A sub-district UE1, UE2 ..., UEN, have in the B sub-district UE1 ', UE2 ' ..., UEN ', the up-link wireless frame of UE comprises 10 sub-frame #0～#9; Through the method that present embodiment provides, a SRS parameter of A sub-district be set to first the set (F0, #0), (F1, #1), (F2, #2) }; (F4, #4) }, the 2nd SRS parameter of B sub-district be set to second the set (F0, #0), (F1, #1), (F2; #2) }, (F3, #3) }, (F4, #4), (F6, #6); (F8, #8) }, first set is the subclass of second set, and allow the 3rd set CellA_UE of the Three S's RS parameter indication of UE transmission SRS sequence to be set in the A sub-district (F ' 0, #0), (F ' 1, #1); (F ' 2, #2) }, (F ' 4, #4) }, allow the 4th set CellB_UE of the 4th SRS parameter indication of UE transmission SRS sequence to be set in the B sub-district (F " 0, #0); (F " 1, #), (F " 2, #2) }, (F3, #3) }; (and F " 4, #4), (F6, #6), (F8, #8) }.Comprise in the 4th set CellB_UE_1{ (F " 0, #0), (F " 1, #1), (F " 2, #2) }, (F " 4, #4) } and CellB_UE_2{ (F3, #3) } (F6, #6), (F8, #8) }.If (F ' n, #n) }

(Fn, #n) }; N=0 ... 9, { (F " n; #n) }

(Fn, #n), n=0; ..9} and { (F ' n, #n) } ∩ (F " n, #n) }=φ; N=0 ..9.I.e. the 3rd set is occured simultaneously with the 4th set and is empty set, then, and when the UE among the A of sub-district sends the SRS sequence, in the drawings, the running time-frequency resource of UE transmission SRS sequence among CellA_UE_srsFreq TX and CellB_UE_srsFreq TX difference indicating cell A and the sub-district B.Following situation can be arranged, and UE1 sends SRS in { (f ' 01, #0) }, UE2 (f ' 0_2, #0), (f ' 1_2, #1) } send SRS, UEN (f ' 0_N, #0), (f ' 2_N, #2), (f ' 4_N, #4) } send SRS.{ (f ' n_q wherein; #n) }

{ (F ' n, #n) } (q=1 ... N; N=0; ..9), (f ' n_q, #n) } represent that q subscriber equipment sends the running time-frequency resource that the SRS sequence is used in the n sub-frame.Sub-frame resources set in the A of sub-district #0, and #1, #2, #3, #4, #6, on last symbol of each subframe, all subscriber equipmenies do not send the PUSCH signal in the A of sub-district, are expressed as No Tx in the drawings among the #8}.UE among the B of sub-district can have following situation when sending the SRS sequence, UE1 ' (f " 6_1 ', #6) } send SRS, UE2 ' (f " 3_2 ', #3) } send SRS sequence, UEN ' (f " 4_N ', #4) } send the SRS sequence.Wherein (f " n_q ', #n) } (F " n, #n) } (q '=1; ... N, n=0,1; 2,4), (f " n_q ', #n) }

(Fn; #n) } (q '=1 ..N, n=3; 6; 8), (f " n_q ', #n) } and represent that the individual subscriber equipment of q ' sends the running time-frequency resource that the SRS sequence is used in the n sub-frame.Sub-frame resources in the B of sub-district set equally #0, and #1, #2, #3, #4, #6, on last symbol of each subframe, all subscriber equipmenies do not send the PUSCH signal in the B of sub-district, are expressed as No Tx in the drawings among the #8}.At this moment, the complete quadrature of resource that the UE in neighbor cell A and the B uses when sending the SRS sequence can not produce and interferes with each other.And send on the resource of SRS sequence at the UE of sub-district A that subscriber equipment can not send PUSCH in the B of sub-district, avoided subscriber equipment sends in the B of sub-district PUSCH interference to subscriber equipment SRS sequence in the A of sub-district.

If to make second set of the 2nd SRS parameter indication be the subclass of first set of SRS parameter indication in configuration in the above-mentioned steps, the complete quadrature of resource that when transmission SRS sequence, uses of the UE in neighbor cell A and the B then can not produce and interferes with each other.And send on the resource of SRS sequence at the UE of sub-district B that subscriber equipment can not send PUSCH in the A of sub-district, avoided subscriber equipment sends in the A of sub-district PUSCH interference to subscriber equipment SRS sequence in the B of sub-district.Principle is identical.

For fear of interference among adjacent cells, the SRS configuration needs of being sent by cooperation cell can also be a SRS parameter of this cooperation cell of configuring of cooperation cell, and the embodiment of the invention also provides a kind of cell coordination method, and referring to Figure 10, this method comprises:

1001: the detection reference signal SRS configuration needs that receives cooperation cell; The SRS configuration needs of this cooperation cell is a SRS parameter of this cooperation cell;

1002: according to a SRS parameter of this cooperation cell, for this home cell disposes the 2nd SRS parameter;

Optional, 1002 steps can also specifically comprise: according to a SRS parameter of said cooperation cell and the SRS configuration needs of said home cell, for said home cell disposes the 2nd SRS parameter.

Optional, wherein, it is the subclass of this first set that subclass or this second set of gathering for second of the 2nd SRS parameter indication are gathered in first of SRS parameter indication.

Alternatively, the Three S's RS parameter of this cooperation cell that the SRS configuration needs of being sent by cooperation cell can also configure for cooperation cell, the 3rd set of this Three S's RS parameter indication is the subclass of first set, then step 1002 is specially:

According to the Three S's RS parameter of a SRS parameter and this cooperation cell, dispose the 2nd SRS parameter and the 4th SRS parameter of this home cell, make that the 4th set of the 4th SRS parameter indication is the subclass of this second set; Wherein, the 3rd set and the 4th set are unequal, and the 3rd set and the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or the 3rd set and the 4th intersection of sets collection are empty set.

Optional, after the step 1002, the cooperation cell side can also be just like 3041 steps described in the foregoing description, and the home cell side can also have 3031 steps as be shown in the examples.

Optional, can also comprise step 1003 after the step 1002: the 5th SRS parameter is sent to this cooperation cell;

Optional, after the step 1003, the cooperation cell side can also be just like the step of 4041 described in the foregoing description or 4042, and the home cell side can also have 4031 steps as be shown in the examples.

The configuration principle of the embodiment of the invention and above-mentioned all inventive embodiments is similar; Its difference is; In the embodiment of the invention; Be to send to home cell, after home cell receives, be configured according to the SRS parameter of this SRS configuration to the sub-district through one in the neighbor cell SRS configuration parameter with self; The subscriber equipment of home cell is sent the quadrature set that the used resource distribution of SRS sequence is the used resource of neighbor cell, avoided the problem that interferes with each other between SRS sequence and the SRS sequence of minizone UE.

Need to prove that when the resource information of SRS transmission was coordinated in the minizone, the parameter of coordination can realize through the wired or wireless interface of minizone, depend on different sub-district forms.And, serve as reasons one of them sub-district centralized control or use Centralized Controller to accomplish of coordination mode.

Through coordinating adjacent home cell and the SRS between cooperation cell configuration; According to the resource distribution that is used to send the SRS sequence in the neighbor cell; The resource of home cell being sent the SRS sequence is configured; Avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.

Corresponding said method embodiment, the embodiment of the invention also provides a kind of base station, and referring to Figure 11, this base station comprises:

Acquisition module 1101 is used to receive the detection reference signal SRS configuration needs of cooperation cell;

First configuration module 1102 is used for the SRS configuration needs according to this cooperation cell, for this home cell disposes the 2nd SRS parameter.

When the SRS configuration needs of this cooperation cell is a SRS parameter of this cooperation cell,

This first configuration module 1102 specifically is used for the SRS parameter according to this cooperation cell; For this home cell disposes the 2nd SRS parameter; Wherein, first of the SRS parameter indication set is the subclass of second set of the 2nd SRS parameter indication or this second set subclass for this first set.

Referring to Figure 12, this base station also comprises:

First sending module 1103 is used for subscriber equipment transmission the 2nd SRS parameter in this home cell, so that this subscriber equipment sends SRS sequence and/or data according to the 2nd SRS parameter.

Referring to Figure 13, this base station also comprises:

Second configuration module 1104; Be used for according to a SRS parameter and the 2nd SRS parameter; Dispose the Three S's RS parameter of this cooperation cell and the 4th SRS parameter of home cell; The 4th set that makes the subclass that the 3rd of this Three S's RS parameter indication is gathered for this first set, the 4th SRS parameter indicate is the subclass of this second set;

Wherein, the 3rd set and the 4th set are unequal, and the 3rd set and the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or,

The 3rd set and the 4th intersection of sets collection are empty set.

Referring to Figure 14, this base station also comprises:

The 3rd configuration module 1105; Be used for when the 3rd set and the 4th intersection of sets collection when being empty set; According to first resource in the 4th SRS parameter configuration the 4th range of convergence of this home cell; And will indicate the parameter of this first resource and the 2nd SRS parameter of this home cell to send to subscriber equipment in this home cell, so that subscriber equipment sends data and/or on this first resource, sends the SRS sequence according to the 2nd SRS parameter in this home cell;

The 3rd configuration module 1105; Also be used for gathering unequal when said the 3rd set and the 4th; When said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication; According to second resource in the supplementary set scope of the 5th set described in said the 4th SRS parameter and said the 4th set of said the 5th SRS parameter configuration; And will indicate the parameter of said second resource and said the 2nd SRS parameter to send to subscriber equipment in the said home cell, so that subscriber equipment sends data and/or on said second resource, sends the SRS sequence according to said the 2nd SRS parameter in the said home cell.

Referring to Figure 15, if cooperation cell and home cell belong to same base station, optional, this base station also comprises:

Second sending module 1106; Be used for and be sent to this cooperation cell for each SRS parameter of this cooperation cell configuration, so that this cooperation cell is according to being configured for each SRS parameter of this cooperation cell configuration SRS resource to subscriber equipment in this cooperation cell.

Wherein, when this first set during for the subclass of this second set, this second set comprises that at least two are used for set or two that subscriber equipment sends the sub-frame resources of SRS and are used for subscriber equipment and send the sub-frame resources of SRS and the set of frequency domain resource;

Wherein, when this second set during for the subclass of this first set, this first set comprises that at least two are used for set or two that subscriber equipment sends the sub-frame resources of SRS and are used for subscriber equipment and send the sub-frame resources of SRS and the set of frequency domain resource.

Choosing; When the SRS of said cooperation cell configuration needs is a SRS parameter of said cooperation cell; Said first configuration module specifically is used for the SRS parameter according to said cooperation cell; For said home cell disposes the 2nd SRS parameter, wherein, it is the subclass of said first set that the subclass or said second set of gathering for second of said the 2nd SRS parameter indication are gathered in first of said SRS parameter indication.

When the SRS of this cooperation cell configuration needs also comprised the Three S's RS parameter of this cooperation cell, wherein, the 3rd set of this Three S's RS parameter indication was the subclass of this first set, and referring to Figure 16, this base station also comprises:

The 4th configuration module 1107 is used for the Three S's RS parameter according to the 2nd SRS parameter and this cooperation cell, disposes the 4th SRS parameter of this home cell, and the 4th set of the 4th SRS parameter indication is the subclass of this second set; Wherein, the 3rd set and the 4th set are unequal, and the 3rd set and the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or the 3rd set and the 4th intersection of sets collection are empty set.

The 4th configuration module 1107 can be replaced second configuration module 1104; Perhaps can coexist as a functional entity with second configuration module 1104; Second configuration module 1104 or the 4th configuration module 1107 can be selected to call according to the concrete kind of SRS configuration needs in the base station.

The base station that present embodiment provides belongs to same design with method embodiment, and its concrete implementation procedure sees method embodiment for details, repeats no more here.

Through coordinating the SRS configuration between home cell and the cooperation cell, it is the set of quadrature that the subscriber equipment between different districts is sent the used resource distribution of SRS sequence, has avoided the problem that interferes with each other between minizone SRS sequence and the SRS sequence.Simultaneously; SRS sub-frame resources set configuration through with neighbor cell is the relation of general collection and subclass; Avoided PUSCH that the stronger UE of one of them cell transmit power sends interference, and the stronger UE of one of them cell transmit power SRS sequence of sending is to the interference of the PUSCH of another sub-district UE to the SRS sequence of another sub-district UE.

SRS parameter in the foregoing description and the 2nd SRS parameter can be Cell-specific SRS parameters.

In the foregoing description; The detection reference signal SRS configuration needs of the cooperation cell that receives can have two kinds of forms; First kind is this SRS configuration needs; Comprise the bandwidth of subscriber equipment needs, the communication protocol of use etc., second kind is by a SRS parameter of this cooperation cell of cooperation cell configuration and a SRS parameter of Three S's RS parameter or this cooperation cell.

The all or part of of the technique scheme that the embodiment of the invention provides can be accomplished through the relevant hardware of program command; Said program can be stored in the storage medium that can read, and this storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a cell coordination method is characterized in that, comprising:

2. method according to claim 1 is characterized in that, according to the SRS configuration needs of said cooperation cell, for said home cell disposes the 2nd SRS parameter, specifically comprises:

SRS configuration needs according to said cooperation cell; For said cooperation cell disposes a SRS parameter; And dispose the 2nd SRS parameter for said home cell; Wherein, first set of said SRS parameter indication is the subclass of second set of said the 2nd SRS parameter indication or said second set subclass for said first set.

3. method according to claim 2 is characterized in that, first set of said SRS parameter indication is specially for the subclass or said second set of second set of said the 2nd SRS parameter indication are the subclass of said first set:

First set of said SRS parameter indication is identical with second set of said the 2nd SRS parameter indication.

4. method according to claim 2 is characterized in that, according to the SRS configuration needs of said cooperation cell, for said home cell disposes after the 2nd SRS parameter, also comprises:

Subscriber equipment sends said the 2nd SRS parameter in said home cell, so that said subscriber equipment sends SRS sequence and/or data according to said the 2nd SRS parameter.

5. method according to claim 2 is characterized in that, according to the SRS configuration needs of said cooperation cell, for said cooperation cell disposes a SRS parameter, and disposes after the 2nd SRS parameter for said home cell, also comprises:

According to a said SRS parameter and said the 2nd SRS parameter; Dispose the Three S's RS parameter of said cooperation cell and the 4th SRS parameter of home cell; The 4th set that makes the subclass that the 3rd of said Three S's RS parameter indication is gathered for said first set, said the 4th SRS parameter indicate is the subclass of said second set;

Wherein, said the 3rd set and the 4th set are unequal, and said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or,

Said the 3rd set and said the 4th intersection of sets collection are empty set.

6. method according to claim 5 is characterized in that, subscriber equipment sends said the 2nd SRS parameter in said home cell, so that said subscriber equipment sends SRS sequence and/or data according to said the 2nd SRS parameter, specifically comprises:

When said the 3rd set and said the 4th intersection of sets collection when being empty set; According to first resource in said the 4th range of convergence of the 4th SRS parameter configuration of said home cell; And will indicate the parameter of said first resource and the 2nd SRS parameter of said home cell to send to subscriber equipment in the said home cell, so that subscriber equipment sends data and/or on said first resource, sends the SRS sequence according to said the 2nd SRS parameter in the said home cell; Or

When said the 3rd set and the 4th is gathered unequal; When said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication; According to second resource in the supplementary set scope of the 5th set described in said the 4th SRS parameter and said the 4th set of said the 5th SRS parameter configuration; And will indicate the parameter of said second resource and said the 2nd SRS parameter to send to subscriber equipment in the said home cell, so that subscriber equipment sends data and/or on said second resource, sends the SRS sequence according to said the 2nd SRS parameter in the said home cell.

7. according to each described method of claim 1-6, it is characterized in that,,, also comprise for said home cell disposes after the 2nd SRS parameter according to the SRS configuration needs of said cooperation cell:

To be sent to said cooperation cell for each SRS parameter of said cooperation cell configuration, so that said cooperation cell is configured according to the SRS resource of said each SRS parameter for said cooperation cell configuration to subscriber equipment in the said cooperation cell.

8. according to each described method of claim 2-6; It is characterized in that; When said first set during for the subclass of said second set, said second set comprises that at least two are used for set or two that subscriber equipment sends the sub-frame resources of SRS and are used for subscriber equipment and send the sub-frame resources of SRS and the set of frequency domain resource;

When said second set during for the subclass of said first set, said first set comprises that at least two are used for set or two that subscriber equipment sends the sub-frame resources of SRS and are used for subscriber equipment and send the sub-frame resources of SRS and the set of frequency domain resource.

9. method according to claim 1; It is characterized in that the SRS configuration needs of said cooperation cell is a SRS parameter of said cooperation cell, according to the SRS configuration needs of said cooperation cell; For said home cell disposes the 2nd SRS parameter, specifically comprise:

SRS parameter according to said cooperation cell; For said home cell disposes the 2nd SRS parameter; Wherein, first set of said SRS parameter indication is the subclass of second set of said the 2nd SRS parameter indication or said second set subclass for said first set.

10. method according to claim 9; It is characterized in that, when the SRS configuration needs of said cooperation cell also comprises the Three S's RS parameter of said cooperation cell, wherein; The 3rd set of said Three S's RS parameter indication is the subclass of said first set; According to a SRS parameter of said cooperation cell,, also comprise afterwards for said home cell disposes the 2nd SRS parameter:

According to the Three S's RS parameter of said the 2nd SRS parameter and said cooperation cell, dispose the 4th SRS parameter of said home cell, the 4th set of said the 4th SRS parameter indication is the subclass of said second set; Wherein, said the 3rd set and the 4th set are unequal, and said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or said the 3rd set and said the 4th intersection of sets collection are empty set.

11. a base station is characterized in that, comprising:

12. base station according to claim 11; It is characterized in that; Said first configuration module specifically is used for the SRS configuration needs according to said cooperation cell, for said cooperation cell disposes a SRS parameter, and disposes the 2nd SRS parameter for said home cell; Wherein, first set of said SRS parameter indication is the subclass of second set of said the 2nd SRS parameter indication or said second set subclass for said first set.

13. base station according to claim 12 is characterized in that, said base station also comprises:

First sending module is used for that subscriber equipment sends said the 2nd SRS parameter in said home cell, so that said subscriber equipment sends SRS sequence and/or data according to said the 2nd SRS parameter.

14. base station according to claim 12 is characterized in that, said base station also comprises:

Second configuration module; Be used for according to a said SRS parameter and said the 2nd SRS parameter; Dispose the Three S's RS parameter of said cooperation cell and the 4th SRS parameter of home cell; The 4th set that makes the subclass that the 3rd of said Three S's RS parameter indication is gathered for said first set, said the 4th SRS parameter indicate is the subclass of said second set;

15. base station according to claim 14 is characterized in that, said base station also comprises:

The 3rd configuration module; Be used for when said the 3rd set and said the 4th intersection of sets collection when being empty set; According to first resource in said the 4th range of convergence of the 4th SRS parameter configuration of said home cell; And will indicate the parameter of said first resource and the 2nd SRS parameter of said home cell to send to subscriber equipment in the said home cell, so that subscriber equipment sends data and/or on said first resource, sends the SRS sequence according to said the 2nd SRS parameter in the said home cell;

Said the 3rd configuration module; Also be used for gathering unequal when said the 3rd set and the 4th; When said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication; According to second resource in the supplementary set scope of the 5th set described in said the 4th SRS parameter and said the 4th set of said the 5th SRS parameter configuration; And will indicate the parameter of said second resource and said the 2nd SRS parameter to send to subscriber equipment in the said home cell, so that subscriber equipment sends data and/or on said second resource, sends the SRS sequence according to said the 2nd SRS parameter in the said home cell.

16., it is characterized in that said base station also comprises according to each described base station of claim 11-15:

Second sending module; Be used for and be sent to said cooperation cell for each SRS parameter of said cooperation cell configuration, so that said cooperation cell is configured according to the SRS resource of said each SRS parameter for said cooperation cell configuration to subscriber equipment in the said cooperation cell.

17. base station according to claim 11; It is characterized in that; The SRS configuration needs of said cooperation cell is a SRS parameter of said cooperation cell, and said first configuration module specifically is used for the SRS parameter according to said cooperation cell, for said home cell disposes the 2nd SRS parameter; Wherein, first set of said SRS parameter indication is the subclass of second set of said the 2nd SRS parameter indication or said second set subclass for said first set.

18. base station according to claim 17; It is characterized in that; It is characterized in that, when the SRS configuration needs of said cooperation cell also comprises the Three S's RS parameter of said cooperation cell, wherein; The 3rd set of said Three S's RS parameter indication is the subclass of said first set, and said base station also comprises:

The 4th configuration module is used for the Three S's RS parameter according to said the 2nd SRS parameter and said cooperation cell, disposes the 4th SRS parameter of said home cell, and the 4th set of said the 4th SRS parameter indication is the subclass of said second set; Wherein, said the 3rd set and the 4th set are unequal, and said the 3rd set and said the 4th intersection of sets collection are the 5th set of the 5th SRS parameter indication, or said the 3rd set and said the 4th intersection of sets collection are empty set.