CN103873218B

CN103873218B - Public search space CSS disturbance coordination method and device

Info

Publication number: CN103873218B
Application number: CN201210528165.7A
Authority: CN
Inventors: 许文俊; 曹丽娟; 李胜钰; 时洁
Original assignee: Huawei Technologies Co Ltd
Current assignee: Xuzhou Bochuang Construction Development Group Co.,Ltd.
Priority date: 2012-12-10
Filing date: 2012-12-10
Publication date: 2017-08-25
Anticipated expiration: 2032-12-10
Also published as: CN103873218A

Abstract

The embodiment of the invention discloses a kind of public search space CSS disturbance coordination method and device, methods described includes：Base station selects public search space CSS resource location according to mapping mechanism in the communication resource first, resource location one reference signal of correspondence and/or the parameter information of the reference signal that the mapping mechanism is each CSS；Then the base station sends the parameter information of corresponding with the resource location of the CSS reference signal and/or the reference signal to user equipment corresponding with the base station, to cause after resource location of the user equipment according to mapping mechanism acquisition CSS corresponding with the parameter information of the reference signal and/or the reference signal, the control information that base station is sent on the resource location of the CSS is received.The present invention is applied to field of wireless communications.

Description

Public search space CSS disturbance coordination method and device

Technical field

The present invention relates to field of wireless communications, more particularly to a kind of public search space CSS disturbance coordination method and dress Put.

Background technology

As number of mobile users purpose is sharply increased, the load of communication system is increasing, can be effectively reduced network The layered heterogeneous network technology of average load is increasingly taken seriously.In order to expand the effective coverage range of communication network, improve The overall spectral efficiency of network, in recent years, includes Macro eNB（Macro base station）And LPN（Low Power Node, low-power section Point）Heterogeneous network scene turn into research emphasis, wherein LPN can be Pico（Micro-base station）、HeNB（Home eNB, family Base station）And Relay（Relaying）.Meanwhile, with MIMO（Multiple Input Multiple Output, Random seismic field output Technology）Enhancing technology and CoMP（Coordinated Multipoint Transmission/Reception, coordinate multipoint is received Hair technology）Gain that technology is brought and number of users increase so that control channel needs to transmit more control information.

And existing PDCCH（Physical Downlink Control Channel, Physical Downlink Control Channel）Take whole Individual system bandwidth and subframe several preceding OFDM (Orthogonal FrequencyDivision Multiplexing, OFDM) symbol.All base stations are in identical frequency domain resource in PDCCH（Such as CSS（Common Search Space, Public search space）Upper transmission information, and PDCCH carries the Downlink Control Information of one or more user equipmenies, LTE （Long Term Evolution, Long Term Evolution）Defined in dedicated search space and CSS be used for user equipment and monitor control letter Breath, control information needed for user equipment obtains oneself by the method for blind check.Wherein, dedicated search space is for user equipment list Solely configure, and CSS is identical for all user device configurations in cell.

In communication process, different base station sends respective CSS resource location information in identical frequency domain resource, this It will to be located in one of base station（Such as Pico）In user equipment can receive adjacent base station（Such as Macro）The CSS of transmission Resource location information interference, i.e., there is CSS problem of co-channel interference in communication process, cause user equipment correct The resource location information for the CSS that serving BS is sent is received, and then can not correctly obtain serving BS CSS position and in the position Put acquisition serving BS and issue the contents such as the system information of the user equipment, reduce the communication quality of system.

The content of the invention

The present invention provides a kind of public search space CSS disturbance coordination method and device, eliminates CSS co-channel interference Problem, improves the communication quality of system.

The technical scheme that the embodiment of the present invention is used for：

The first aspect of the invention provides a kind of public search space CSS disturbance coordination method, including：

Base station selects public search space CSS resource location, the mapping machine according to mapping mechanism in the communication resource It is made as each CSS resource location one reference signal of correspondence and/or the parameter information of the reference signal；

The base station sends the ginseng corresponding with the resource location of the CSS to user equipment corresponding with the base station The parameter information of signal and/or the reference signal is examined,

To cause the user equipment to be obtained and the reference signal and/or the reference signal according to the mapping mechanism The corresponding CSS of parameter information resource location after, receive the control information that is sent on the resource location of the CSS of base station.

In the first implementation in the first aspect, the reference signal is channel state information reference signals CSI- RS, cell level reference signal CRS, demodulated reference signal Modulation Reference Signal, track reference signal Tracking reference signal, auxiliary synchronous reference signal SecondarySynchronization Signal, master are same Step is with reference to any of Primary Synchronization Signal or any combination, the parameter of the reference signal Information is cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS marks Any of knowledge group or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification ECGI, void Intend any of cell ID or any combination.

With reference to one side or the first implementation of one side, second of reality in the first aspect In existing mode, the mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS Resource original position, A is the parameter information of the reference signal, and N is the communication resource for CSS, and R is CSS occupancy Resource, mode is modulo operation.

The second aspect of the invention provides a kind of public search space CSS disturbance coordination method, including：

User equipment receives the reference signal and/or the reference signal of corresponding with user equipment base station transmission The parameter information of parameter information, the reference signal and/or the reference signal and the base station selected public search space CSS resource location correspondence；

The user equipment obtains the parameter information with the reference signal or the reference signal according to mapping mechanism After corresponding CSS resource location, the control information that base station is sent on the resource location of the CSS, the mapping machine are received It is made as each CSS resource location one reference signal of correspondence and/or the parameter information of the reference signal.

In the first implementation in second aspect, the reference signal is channel state information reference signals CSI- RS, cell level reference signal CRS, demodulated reference signal Modulation Reference Signal, track reference signal Tracking reference signal, auxiliary synchronous reference signal SecondarySynchronization Signal, master are same Step is with reference to any of Primary Synchronization Signal or any combination, the parameter of the reference signal Information is cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS marks Any of knowledge group or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification ECGI, void Intend any of cell ID or any combination.

With reference to second aspect or the first implementation of second aspect, second of reality in second aspect In existing mode, the mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS Resource original position, A is the parameter information of the reference signal, and N is the communication resource for CSS, and R is the money that CSS takes Source, mode is modulo operation.

The third aspect of the invention provides a kind of public search space CSS disturbance coordination method, including：

First base station receives the position of the near barren Radio Resource of low-power for second base station that the second base station is sent Information, or the first base station receive that operation management maintenance entity OAM or mobility management entity MME send described the The positional information of the near barren Radio Resource of low-power of two base stations；

The first base station selects public affairs corresponding with the position of the near barren Radio Resource of low-power of second base station Common search space CSS resource, the resource of the CSS is used to send to the corresponding user equipment of the first base station by first base station Control information.

In the first implementation of the 3rd aspect, the first base station selection and the near barren nothing of the low-power Also include after the corresponding public search space CSS in position of line resource resource：

The first base station selects the parameter information of corresponding with the resource of the CSS reference signal and/or reference signal；

To cause the corresponding user equipment of the first base station to obtain the parameter letter of the reference signal and/or reference signal After the resource location for ceasing corresponding CSS, the control information that base station is sent on the resource location of the CSS is received.

With reference to the 3rd aspect or the first implementation of the 3rd aspect, in second of reality of the 3rd aspect In existing mode, the first base station receives the near barren Radio Resource of low-power for second base station that the second base station is sent Positional information includes：

When X2 interface is set up in the first base station and second base station or set up after X2 interface, the first base station The position of the near barren Radio Resource of low-power for second base station that second base station is sent is received according to the X2 interface Confidence ceases；Or

It is near barren that the first base station receives low-power of second base station in second base station for broadcast of eating dishes without rice or wine The positional information of Radio Resource.

Second with reference to the 3rd aspect either the first implementation of the 3rd aspect or the 3rd aspect is real Existing mode, in the third implementation of the 3rd aspect, the first base station receives described second that the second base station is sent Also include before the positional information of the near barren Radio Resource of low-power of base station：

The first base station sends solicited message to second base station, and the solicited message is used to ask second base Stand the positional information of the near barren Radio Resource of low-power for sending second base station；Or

The low-power that the solicited message is used to ask second base station to be asked according to the solicited message is near barren Radio Resource, sets the positional information of the near barren Radio Resource of low-power of second base station, and/or the solicited message For the positional information for the near barren Radio Resource of low-power for asking the second base station setting second base station.

Second with reference to the 3rd aspect either the first implementation of the 3rd aspect or the 3rd aspect is real Existing mode, or the 3rd aspect the third implementation, in the 4th kind of implementation of the 3rd aspect, described first Also wrapped before receiving the positional information of the near barren Radio Resource of low-power for second base station that the second base station is sent base station Include：

The first base station sends solicited message to the OAM or MME, to cause the OAM or MME The solicited message is sent to second base station, the solicited message is used to ask second base station to send described second The positional information of the near barren Radio Resource of low-power of base station；Or

The low-power that the solicited message is used to ask second base station to be asked according to the solicited message is near barren Radio Resource, sets the positional information of the near barren Radio Resource of low-power of second base station, and/or the solicited message For the positional information for the near barren Radio Resource of low-power for asking the second base station setting second base station；Or

The low-power that the solicited message is used to ask the OAM or MME to send second base station is almost empty The positional information of white Radio Resource is to first base station.With reference to the 3rd aspect or the first implementation of the 3rd aspect, Either the third implementation of second of implementation of the 3rd aspect or the 3rd aspect, or the 3rd aspect The 4th kind of implementation, in the 5th kind of implementation of the 3rd aspect, the first base station be micro-base station, described second Base station is macro base station.

The fourth aspect of the invention provides a kind of public search space CSS disturbance coordination method, including：

Second base station sends the positional information of the near barren Radio Resource of low-power of second base station to first base station,

To cause first base station selection is corresponding with the position of the near barren Radio Resource of the low-power public to search The parameter information of rope space CSS resource and reference signal corresponding with the resource of the CSS and/or reference signal, the CSS The resource control information that is used to send to the corresponding user equipment of the first base station by first base station.

In the first implementation of the 4th aspect, second base station sends second base station to first base station The positional information of the near barren Radio Resource of low-power include：

When X2 interface is set up in the first base station and second base station or set up after X2 interface, second base station Believe the position for sending the near barren Radio Resource of low-power of second base station to the first base station according to the X2 interface Breath；Or

Second base station is near barren wireless in the low-power to first base station broadcast second base station of eating dishes without rice or wine The positional information of resource.

With reference to the 4th aspect or the first implementation of the 4th aspect, in second of realization of the 4th aspect In mode, the position that second base station sends the near barren Radio Resource of low-power of second base station to first base station is believed Breath includes：

Second with reference to the 4th aspect either the first implementation of the 4th aspect or the 4th aspect is real Existing mode, in the third implementation of the 4th aspect, second base station sends second base station to first base station The near barren Radio Resource of low-power positional information before also include：

Second base station receives the solicited message that the first base station is sent, and the solicited message is used to asking described the Two base stations send the positional information of the near barren Radio Resource of low-power of second base station；Or

Second with reference to the 4th aspect either the first implementation of the 4th aspect or the 4th aspect is real Existing mode, or four aspects the third implementation, in the 4th kind of implementation of the 4th aspect, second base Also include before the positional information to the near barren Radio Resource of low-power of first base station transmission second base station of standing：

Second base station receives the request letter that operation management maintenance entity OAM or mobility management entity MME is sent Breath, the solicited message is used for the near barren Radio Resource of low-power for asking second base station to send second base station Positional information；Or

The low-power that the solicited message is used to ask the OAM or MME to send second base station is almost empty The positional information of white Radio Resource is to first base station.With reference to the 4th aspect or the first implementation of the 4th aspect, Either the third implementation of second of implementation of the 4th aspect or four aspects, or the 4th aspect 4th kind of implementation, in the 5th kind of implementation of the 4th aspect, the first base station is micro-base station, second base Stand as macro base station.

The fifth aspect of the invention provides a kind of public search space CSS disturbance coordination method, including：

Base station is by interacting the resource location with the public search space CSS of the base station and adjacent base station with adjacent base station Related information, selects the CSS of base station resource location.

In the first implementation of the 5th aspect, the public search space of the described and base station and adjacent base station The related information of CSS resource location includes the CSS of the base station and adjacent base station resource location information or the base station With the CSS of adjacent base station resource location range information, or for the money for the CSS for mapping the base station and adjacent base station Any of information of source position or any combination；

The base station and the interactive mode of the adjacent base station include master-slave mode and/or on-demand.

The sixth aspect of the invention provides a kind of public search space CSS interference coordination device, including：

Selecting unit, the resource location for selecting public search space CSS in the communication resource according to mapping mechanism, institute State resource location correspondence one reference signal and/or the parameter information of the reference signal of the mapping mechanism for each CSS；

Transmitting element, for sending corresponding with the CSS of selecting unit selection resource location to user equipment The parameter information of the reference signal and/or the reference signal,

In the first implementation of the 6th aspect, the reference signal is channel state information reference signals CSI- RS, cell level reference signal CRS, demodulated reference signal Modulation Reference Signal, track reference signal Tracking reference signal, auxiliary synchronous reference signal SecondarySynchronization Signal, master are same Step is with reference to any of Primary Synchronization Signal or any combination, the parameter of the reference signal Information is cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS marks Any of knowledge group or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification ECGI, void Intend any of cell ID or any combination.

With reference to the 6th aspect or the first implementation of the 6th aspect, in the first realization of the 6th aspect In mode, the mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS's Resource original position, A is the parameter information of the reference signal, and N is the communications resources for CSS, and R accounts for for CSS Resource, mode is modulo operation.

The seventh aspect of the invention provides a kind of public search space CSS interference coordination device, including：

Receiving unit, for receiving the reference signal of base station transmission and/or the parameter information of the reference signal, the ginseng Examine the resource location pair of signal and/or the parameter information and the base station selected public search space CSS of the reference signal Should；

Acquiring unit, for obtaining the reference signal received with the receiving unit or the reference according to mapping mechanism After the corresponding CSS of parameter information of signal resource location, the control letter that base station is sent on the resource location of the CSS is received Breath, the mapping mechanism is each CSS resource location one reference signal of correspondence and/or the parameter letter of the reference signal Breath.

In the first implementation of the 7th aspect, the reference signal is channel state information reference signals CSI- RS, cell level reference signal CRS, demodulated reference signal Modulation Reference Signal, track reference signal Tracking reference signal, auxiliary synchronous reference signal SecondarySynchronization Signal, master are same Step is with reference to any of Primary Synchronization Signal or any combination, the parameter of the reference signal Information is cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS marks Any of knowledge group or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification ECGI, void Intend any of cell ID or any combination.

With reference to the 7th aspect and the first implementation of the 7th aspect, in second of realization side of the 7th aspect In formula, the mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS money Source original position, A is the parameter information of the reference signal, and N is the communication resource for CSS, and R is the resource that CSS takes.

The eighth aspect of the invention provides a kind of public search space CSS interference coordination device, including：

Receiving unit, the near barren Radio Resource of low-power of second base station for receiving the transmission of the second base station Positional information, or receive second base station that operation management maintenance entity OAM or mobility management entity MME is sent The positional information of the near barren Radio Resource of low-power；

Selecting unit, the low-power of second base station for selecting to receive with the receiving unit is near barren wireless The corresponding public search space CSS in position of resource resource, the resource of the CSS is used for the first base station by first base station The control information that corresponding user equipment is sent.

In the first implementation of the 8th aspect, the selecting unit is additionally operable to selection and the resource of the CSS The parameter information of corresponding reference signal and/or reference signal,

With reference to the 8th aspect or the first implementation of the 8th aspect, in second of realization of the 8th aspect In mode, the receiving unit, specifically for when setting up X2 interface with second base station or setting up after X2 interface, according to The X2 interface receives the position letter of the near barren Radio Resource of low-power for second base station that second base station is sent Breath；Or

Second base station is received in the position of the near barren Radio Resource of low-power of second base station for broadcast of eating dishes without rice or wine Confidence ceases.

Second with reference to the 8th aspect either the first implementation of the 8th aspect or the 8th aspect is real Existing mode, in the third implementation of the 8th aspect, transmitting element, for sending request letter to second base station Breath,

The low-power that the solicited message is used to ask second base station to send second base station is near barren wireless The positional information of resource；Or the solicited message is used to ask the low work(that second base station is asked according to the solicited message The near barren Radio Resource of rate, sets the positional information of the near barren Radio Resource of low-power of second base station, and/or institute State the position that solicited message is used to ask the near barren Radio Resource of low-power of the second base station setting second base station Information；

The transmitting element, is additionally operable to send solicited message to the OAM or the MME, with cause the OAM or The solicited message is sent to second base station by the MME, and the solicited message is used to ask second base station to send The positional information of the near barren Radio Resource of low-power of second base station；Or the solicited message is used to ask described the The near barren Radio Resource of low-power that two base stations are asked according to the solicited message, sets the low-power of second base station near The positional information of blank Radio Resource, and/or the solicited message are used to ask second base station to set second base The positional information for the near barren Radio Resource of low-power stood；Or the solicited message is used to ask the OAM or described MME sends the positional information of the near barren Radio Resource of low-power of second base station to first base station.

Second with reference to the 8th aspect either the first implementation of the 8th aspect or the 8th aspect is real Existing mode, or the 8th aspect the third implementation, in the 4th kind of implementation of the 8th aspect, described second Base station is macro base station.

The ninth aspect of the invention provides a kind of public search space CSS interference coordination device, including：

Transmitting element, the positional information for sending the near barren Radio Resource of low-power to first base station,

In the first implementation of the 9th aspect, the transmitting element, specifically for working as and second base station When setting up X2 interface or set up after X2 interface, it is almost empty to the first base station to send the low-power according to the X2 interface The positional information of white Radio Resource；Or

In the positional information to the first base station broadcast near barren Radio Resource of low-power of eating dishes without rice or wine.

With reference to the 9th aspect or the first implementation of the 9th aspect, in second of realization of the 9th aspect In mode, receiving unit, for receiving the solicited message that the first base station is sent, the solicited message is used to ask to send institute State the positional information of the near barren Radio Resource of low-power；Or the solicited message is used to ask second base station according to institute The near barren Radio Resource of low-power of solicited message request is stated, the near barren wireless money of low-power of second base station is set The positional information in source, and/or the low-power that the solicited message is used to ask second base station to set second base station are near The positional information of blank Radio Resource；

The receiving unit, is additionally operable to receive what operation management maintenance entity OAM or mobility management entity MME was sent Solicited message,

The low-power that the solicited message is used to ask second base station to send second base station is near barren wireless The positional information of resource；Or the solicited message is used to ask the low work(that second base station is asked according to the solicited message The near barren Radio Resource of rate, sets the positional information of the near barren Radio Resource of low-power of second base station, and/or institute State the position that solicited message is used to ask the near barren Radio Resource of low-power of the second base station setting second base station Information；Or the low-power that the solicited message is used to ask the OAM or MME to send second base station is almost empty The positional information of white Radio Resource is to first base station.

Second with reference to the 9th aspect either the first implementation of the 9th aspect or the 9th aspect is real Existing mode, in the third implementation of the 9th aspect, the first base station is micro-base station.

The tengh aspect of the invention provides a kind of public search space CSS interference coordination device, including：

Interactive unit, the money for interacting the public search space CSS with the base station and adjacent base station with adjacent base station Source position relevant information；

Selecting unit, after being interacted for the interactive unit with the adjacent base station, selects the CSS of base station resource Position.

In the first implementation of the tenth aspect, the public search space of the described and base station and adjacent base station The related information of CSS resource location includes the CSS of the base station and adjacent base station resource location information or the base station With the CSS of adjacent base station resource location range information, or for the money for the CSS for mapping the base station and adjacent base station Any of information of source position or any combination；

The interactive mode with the adjacent base station includes master-slave mode and/or on-demand.

The tenth one side of the present invention provides a kind of public search space CSS acquisition methods, including：

Base station broadcasted in broadcast channel BCH the CSS of the base station or adjacent base station resource location or with it is described The base station information related to the resource location of the adjacent base station, so as to obtain the CSS resource-niches that user equipment obtains the base station Put.

In the first implementation of the tenth one side, time domain of the resource location including CSS resources of the CSS, Any or any combination, described related to the resource location of the base station and the adjacent base station in frequency domain, spatial domain, code domain Information including CSS resource location information or CSS resource location range information, or for mapping the money of the CSS Any of information of source position or any combination.

The base station include master base station and/or the adjacent base station include small base station, it is any from base station, master base station Or any combination.

The 12nd aspect of the present invention provides a kind of public search space CSS acquisition methods, including：

User equipment obtains the base station or adjacent with the base station base that base station is broadcasted in broadcast channel BCH The CSS stood resource location or the information related to the resource location of the base station and the adjacent base station；

The user equipment is according to the resource location of the CSS or the resource with the base station and the adjacent base station After information in CSS described in the related acquisition of information in position, Downlink Control Information is obtained.

In the first implementation of the 12nd aspect, time domain of the resource location including CSS resources of the CSS, Any or any combination, described related to the resource location of the base station and the adjacent base station in frequency domain, spatial domain, code domain Information including CSS resource location information or CSS resource location range information, or for mapping the money of the CSS Any of information of source position or any combination.

In second of implementation of the 12nd aspect, the base station includes master base station and/or the adjacent base station Including small base station, it is any from base station, master base station or any combination.

The 13rd aspect of the present invention provides a kind of public search space CSS acquisition methods, including：

Base station sends the base station and/or the base station adjacent with the base station by inter-base station interface to target BS CSS resource location or the information related to the resource location of the base station and/or the adjacent base station, it is described to cause Target BS selects the CSS resource locations of the target BS or dispatches user according to described information to set according to described information It is standby.

In the first implementation of the 13rd aspect, time domain of the resource location including CSS resources of the CSS, The resource location of any or any combination in frequency domain, spatial domain, code domain, the described and base station and/or the adjacent base station Related information includes CSS resource location information or CSS resource location range information, or for mapping the CSS Any of the information of resource location or any combination；

In second of implementation of the 13rd aspect, the base station includes master base station, and the adjacent base station includes Small base station or from base station, the target BS includes master base station, small base station, from any of base station or any group Close.

The 14th aspect of the present invention provides a kind of public search space CSS acquisition methods, including：

Target BS receives the base station and/or the base station adjacent with the base station that base station is sent by inter-base station interface CSS resource location or the information related to the resource location of the base station and/or the adjacent base station；

The target BS selects the CSS resource locations of the target BS or according to described information according to described information Scheduling user's set.

In the first implementation of the 14th aspect, time domain of the resource location including CSS resources of the CSS, Any or any combination in frequency domain, spatial domain, code domain, the related information of the resource location includes CSS resource-niche confidence The resource location range information of breath or CSS, or any of the information of resource location for mapping the CSS or Any combination.

In second of implementation of the 14th aspect, the base station includes master base station, described with the base station phase Adjacent base station includes small base station or from base station, and the target BS includes master base station, small base station, from any in base station Plant or be combined.

The 15th aspect of the present invention provides a kind of public search space CSS acquisition device, including：

Radio unit, for CSS that the base station or adjacent base station are broadcasted in broadcast channel BCH resource location or Person's information related to the resource location of the base station and the adjacent base station, so that obtaining user equipment obtains the base station CSS resource locations.

In the first implementation of the 15th aspect, time domain of the resource location including CSS resources of the CSS, Any or any combination, described related to the resource location of the base station and the adjacent base station in frequency domain, spatial domain, code domain Information including CSS resource location information or CSS resource location range information, or for mapping the money of the CSS Any of information of source position or any combination.

In second of implementation of the 15th aspect, the base station includes master base station and/or the adjacent base station Including small base station, it is any from base station, master base station or any combination.

The 16th aspect of the present invention provides a kind of public search space CSS acquisition device, including：

Acquiring unit, for obtain that base station broadcasts in broadcast channel BCH the base station or with the base station phase The CSS of adjacent base station resource location or the information related to the resource location of the base station and the adjacent base station；

The acquiring unit, be additionally operable to according to the resource location of the CSS or with the base station and the adjacent base After information in CSS described in the acquisition of information for the resource location correlation stood, Downlink Control Information is obtained.

In the first implementation of the 16th aspect, time domain of the resource location including CSS resources of the CSS, Any or any combination, described related to the resource location of the base station and the adjacent base station in frequency domain, spatial domain, code domain Information including CSS resource location information or CSS resource location range information, or for mapping the money of the CSS Any of information of source position or any combination.

In second of implementation of the 16th aspect, the base station includes master base station and/or the adjacent base station Including small base station, it is any from base station, master base station or any combination.

The 17th aspect of the present invention provides a kind of public search space CSS acquisition device, including：

Transmitting element, for sending the base station and/or adjacent with the base station to target BS by inter-base station interface Base station CSS resource location or the information related to the resource location of the base station and/or the adjacent base station, with So that the target BS selects the CSS resource locations of the target BS according to described information or dispatched according to described information User equipment.

In the first implementation of the 17th aspect, time domain of the resource location including CSS resources of the CSS, The resource location of any or any combination in frequency domain, spatial domain, code domain, the described and base station and/or the adjacent base station Related information includes CSS resource location information or CSS resource location range information, or for mapping the CSS Any of the information of resource location or any combination；

In second of implementation of the 17th aspect, the base station includes master base station, and the adjacent base station includes Small base station or from base station, the target BS includes master base station, small base station, from any of base station or any group Close.

The 18th aspect of the present invention provides a kind of public search space CSS acquisition device, including：

Receiving unit, for receiving the base station and/or adjacent with the base station that base station is sent by inter-base station interface Base station CSS resource location or the information related to the resource location of the base station and/or the adjacent base station；

Selecting unit, for selecting the CSS resource locations of the target BS according to described information or according to the letter Cease scheduling user's set.

In the first implementation of the 18th aspect, time domain of the resource location including CSS resources of the CSS, Any or any combination in frequency domain, spatial domain, code domain, the related information of the resource location includes CSS resource-niche confidence The resource location range information of breath or CSS, or any of the information of resource location for mapping the CSS or Any combination.

In second of implementation of the 18th aspect, the base station includes master base station, described with the base station phase Adjacent base station includes small base station or from base station, and the target BS includes master base station, small base station, from any in base station Plant or be combined.

Public search space CSS provided in an embodiment of the present invention disturbance coordination method and device, first base station are according to reflecting The resource location that mechanism selects public search space CSS in the communication resource is penetrated, the mapping mechanism is each CSS resource-niche Put the parameter information of one reference signal of correspondence and/or the reference signal；Then the base station is to corresponding with the base station User equipment sends the parameter information of corresponding with the resource location of the CSS reference signal and/or the reference signal, To cause the user equipment to obtain the parameter letter with the reference signal and/or the reference signal according to the mapping mechanism After the resource location for ceasing corresponding CSS, the control information that base station is sent on the resource location of the CSS is received.It is of the invention real Example is applied by setting up CSS resource location and the mapping mechanism of different reference signals and/or the reference signal so that different bases The different CSS corresponding reference signal of resource location and/or the reference signal can be selected according to mapping mechanism by standing, so that User equipment, which can be properly received the position of serving BS transmission and obtain serving BS in the position, issues the user equipment The contents such as system information, eliminate CSS problem of co-channel interference, improve the communication quality of system.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only some of the present invention Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these Figure obtains other accompanying drawings.

Fig. 1 is a kind of public search space CSS disturbance coordination method flow chart provided in an embodiment of the present invention；

Fig. 2 is a kind of public search space CSS interference coordination apparatus structure schematic diagram provided in an embodiment of the present invention；

Fig. 3 is architecture of base station schematic diagram provided in an embodiment of the present invention；

Fig. 4 is another public search space CSS provided in an embodiment of the present invention disturbance coordination method flow chart；

Fig. 5 is another public search space CSS provided in an embodiment of the present invention interference coordination apparatus structure schematic diagram；

Fig. 6 is user equipment (ue) device structural representation provided in an embodiment of the present invention；

Fig. 7 is another public search space CSS provided in an embodiment of the present invention disturbance coordination method flow chart；

Fig. 8 is another public search space CSS provided in an embodiment of the present invention interference coordination apparatus structure schematic diagram；

Fig. 9 is micro-base station structural representation provided in an embodiment of the present invention；

Figure 10 is another public search space CSS provided in an embodiment of the present invention disturbance coordination method flow chart；

Figure 11 illustrates for another public search space CSS provided in an embodiment of the present invention interference coordination apparatus structure Figure；

Figure 12 is macro base station structural representation provided in an embodiment of the present invention；

Figure 13 is another public search space CSS provided in an embodiment of the present invention disturbance coordination method flow chart；

Figure 14 illustrates for another public search space CSS provided in an embodiment of the present invention interference coordination apparatus structure Figure；

Figure 15 is architecture of base station schematic diagram provided in an embodiment of the present invention；

Figure 16 is the mapping mechanism schematic diagram of PCI provided in an embodiment of the present invention and CSS resource location；

Figure 17 is PCI groups provided in an embodiment of the present invention and the mapping mechanism schematic diagram of CSS resource location；

Figure 18 is a kind of public search space CSS acquisition methods flow chart provided in an embodiment of the present invention；

Figure 19 is a kind of public search space CSS acquisition device structural representation provided in an embodiment of the present invention；

Figure 20 is another public search space CSS provided in an embodiment of the present invention acquisition methods flow chart；

Figure 21 illustrates for another public search space CSS provided in an embodiment of the present invention acquisition methods apparatus structure Figure；

Figure 22 is another public search space CSS provided in an embodiment of the present invention acquisition methods flow chart；

Figure 23 is another public search space CSS provided in an embodiment of the present invention acquisition device structural representation；

Figure 24 is another public search space CSS provided in an embodiment of the present invention acquisition methods flow chart；

Figure 25 is another public search space CSS provided in an embodiment of the present invention acquisition device structural representation.

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 carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

To make the advantage of technical solution of the present invention clearer, the present invention is made specifically with reference to the accompanying drawings and examples It is bright.

The present embodiment provides a kind of public search space CSS disturbance coordination method, as shown in figure 1, methods described includes：

101st, base station selects public search space CSS resource location according to mapping mechanism in the communication resource.Alternatively, Base station can also be searched according to the public of the transmission of operation management maintenance entity OAM or mobility management entity MME or network side Rope space CSS resource location, configures CSS resource location.

Wherein, mapping mechanism can be preset in a network, and the mapping mechanism is corresponding one for each CSS resource location Reference signal described in the parameter information of reference signal and/or the reference signal be channel state information reference signals CSI-RS, Cell level reference signal CRS, demodulated reference signal Modulation ReferenceSignal, track reference signal Tracking reference signal, auxiliary synchronous reference signal SecondarySynchronization Signal, master are same Step is with reference to any of Primary Synchronization Signal, the reference signal of cell cluster mark or any group Close, the parameter information of the reference signal is cell ID, cell ID group, cell cluster mark, cell cluster mark group, main synchronization Any of signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS mark groups or any combination, it is described Cell ID is any of Physical Cell Identifier PCI, Cell Global Identification ECGI, virtual subdistrict mark or any group Close, the cell ID group can according to cell ID carry out packet or packet mark, PSS marks group can be root According to PSS identify carry out packet or packet mark, SSS marks group can the SSS according to mark carry out packet or point The mark of group, cell cluster mark group can identify the packet of progress or the mark of packet by cell cluster according to.The tracking ginseng Signal is examined available for the cell described in user equipment discovery track reference signal.

Further, the resource of the CSS, can be multiple RB in existing system（ResourceBlock, resource block） Composition.The mapping mechanism of PCI and CSS resource location can be as shown in figure 16.Now, CSS resource location takes system band A wide part, is represented with one or several in N number of resource block.Because system bandwidth is limited, when PCI quantity exceedes , it is necessary to be grouped to all PCI during the RB numbers that system bandwidth contains, now, PCI groups are reflected with CSS resource location The mechanism of penetrating can be as shown in figure 17.Now, CSS resource location takes a part for system bandwidth, with one in N number of resource block Individual or several expressions.

Specifically application scenarios can be macro base station and the micro- base adjacent with macro base station in heterogeneous network to the embodiment of the present invention Stand selection CSS resource location it is different, or the CSS selected in general network between adjacent macro base station resource location is different Deng the embodiment of the present invention is not limited.

Specifically, mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS resource original position, A is the parameter information of the reference signal, and N is that can be used for the CSS communication resource size, R The resource size taken for CSS, mode is modulo operation.Wherein, above-mentioned formula can be transformed to Rstart_v1=（A mode [N/R]）, now Rstart_v1 also be indicated as CSS resource original position, the simply Radio Resource list of original position herein Position is the corresponding radio resource units of R.[N/R] be N/R rounding operation, for example, when N/R not be integer when, take closest to but Integer less than N/R, or take the integer closest to but more than N/R.Integer specially more than N/R is also less than the whole of N/R Number, can be provided by agreement, and the present invention, which is not done, clearly to be limited.

Alternatively, above-mentioned mapping mechanism can also be according to formula Rstart=（A mode[N/R]+B）What × R was set up, Wherein, Rstart is CSS resource original position, and A is the parameter information of the reference signal, and N is big for the resource that can be used for CSS Small, R is the resource size that CSS takes, and B is a deviant.The introducing of the deviant B, can cause the position of CSS resources Configuration it is more flexible.Further, the formula can be transformed to Rstart_v2=（A mode[N/R]+B）, now Rstart_v2 also is indicated as CSS resource original position, and simply the radio resource units of original position herein are corresponding for R Radio resource units.[N/R] is N/R rounding operation, for example, when N/R is not integer, taking closest to but being less than the whole of N/R Number, or take the integer closest to but more than N/R.The specific integer for taking the integer more than N/R to be also less than N/R, can be by agreement Regulation, the present invention, which is not done, clearly to be limited.

Specifically, the A of above-mentioned formula can be PCI, or SSS（SecondarySynchronization Signal, auxiliary synchronous signals）, or PCI/SSS all kinds of variants represent, the present invention is not limited.N can be system band Width, is either that system can be used in the radio resource range size of CSS resources or be the nothing that system can be used in CSS resources The CCE of line resource occupation（Control ChannelElement, control channel unit）Or other radio resource unit is big It is small.R can be the size of the wireless range of CSS resource occupation, or be the CCE of CSS resource occupation size or other nothings The size of line resource unit.Example：System bandwidth 10M（In units of RB, N=50, wherein, a RB a width of 180kb of band）, it is public The frequency domain resource that common search space occupies bandwidth R=6, CSS has [100/6]=16, base station PCI=100, according to formula Rstart=（A mode[N/R]）× R, then the CSS of base station resource original position be Rstart=（100mod[100/6]）*6 The CSS of=24, i.e. base station resource original position is on the 24th RB.Need explanation when, RB can also use other wireless to provide Source unit, such as control channel element CCE are substituted, and the present embodiment is not limited.Alternatively, the mapping mechanism can also be used Form is represented.For example, the utilization of resources form that the parameter information and CSS of the reference signal and/or reference signal take is carried out Mapping.For another example the cell ID, cell ID group, master sync signal PSS mark, PSS marks group, auxiliary synchronous signals SSS Any of mark, SSS mark groups or any combination can be entered according to form and one or several CSS resource taken Row correspondence.Base station and/or user equipment, utilize the form, it may be determined that with the reference signal and/or the ginseng of reference signal The resource that the corresponding CSS of number information takes, or determine the corresponding reference signal of resource that CSS takes and/or reference signal Parameter information.

It should be noted that the mapping mechanism in the present embodiment, or the parameter in mapping mechanism, for example, A, N, R etc., Or mapping mechanism form, user equipment can be sent to by base station, or base station, user equipment are being locally stored respectively.

102nd, base station sends the ginseng corresponding with the resource location of the CSS to user equipment corresponding with the base station Examine the parameter information of signal and/or the reference signal.

Further, with cause the user equipment according to the mapping mechanism obtain with the reference signal and/or institute After the corresponding CSS of the parameter information resource location for stating reference signal, receive what base station was sent on the resource location of the CSS Control information.

The method that the present embodiment is provided, is believed by the resource location for setting up CSS from different reference signals and/or the reference Number different parameters information mapping mechanism so that different base station can select different CSS resource-niche according to mapping mechanism Put the different parameters information of corresponding reference signal and/or reference signal, further such that user equipment will not by with service CSS in the adjacent base station in the base station of user equipment is disturbed, so as to eliminate CSS problem of co-channel interference, improves system Communication quality.

The present embodiment provides a kind of public search space CSS interference coordination device, as shown in Fig. 2 described device includes： Selecting unit 21, transmitting element 22.

Selecting unit 21, can be used for the resource for selecting public search space CSS in the communication resource according to mapping mechanism Position.

Transmitting element 22, can be used for the resource location that the CSS selected with the selecting unit 21 is sent to user equipment The parameter information of the corresponding reference signal and/or the reference signal,

It should be noted that other corresponding descriptions of functional unit involved by the device that the present embodiment is provided, may be referred to Fig. 1 corresponding description, will not be repeated here.

The entity for the device that the present embodiment is provided can be base station, as shown in figure 3, the base station includes：Processor 31, hair Send device 32.

Processor 31, can be used for the resource-niche for selecting public search space CSS in the communication resource according to mapping mechanism Put.

Transmitter 32, can be used for corresponding to the resource location for the CSS that user equipment is sent with the processor 31 is selected The reference signal and/or the reference signal parameter information,

To cause the user equipment to be obtained and the reference signal and/or the reference signal according to the mapping mechanism The corresponding CSS of parameter information resource location after, receive information of the base station on the resource location of the CSS.

The device that the present embodiment is provided, is believed by the resource location for setting up CSS from different reference signals and/or the reference Number different parameters information mapping mechanism so that different base station can select different CSS resource-niche according to mapping mechanism Put the different parameters information of corresponding reference signal and/or reference signal, further such that user equipment will not by with service CSS in the adjacent base station in the base station of user equipment is disturbed, so as to eliminate CSS problem of co-channel interference, improves system Communication quality.

The present embodiment provides another public search space CSS disturbance coordination method, as shown in figure 4, methods described bag Include：

401st, user equipment receives reference signal and/or the reference letter that base station corresponding with the user equipment is sent Number parameter information.

Wherein, the parameter information of the reference signal and/or the reference signal and the base station selected common search Space CSS resource location correspondence, the reference signal is channel state information reference signals CSI-RS, cell level with reference to letter Number CRS, demodulated reference signal Modulation Reference Signal, track reference signal Tracking reference Signal, auxiliary synchronous reference signal SecondarySynchronization Signal, main reference synchronization Primary Any of Synchronization Signal or any combination, the parameter information of the reference signal is cell mark Knowledge, cell ID group, cell cluster mark, cell cluster mark group, master sync signal PSS mark, PSS marks group, auxiliary synchronous signals Any of SSS marks, SSS mark groups or any combination, the cell ID group cell ID can be carried out according to Packet or packet mark, PSS marks group can the PSS according to mark carry out packet or packet mark, SSS mark Knowledge group can the SSS according to mark carry out packet or packet mark.The cell ID be Physical Cell Identifier PCI, Any of Cell Global Identification ECGI, virtual subdistrict mark or any combination.The resource of the CSS, can be existing The resource block RB of System describe, or to specify the resource block of size.The mapping mechanism of PCI and CSS resource location can be as Shown in Figure 16.Because system bandwidth is limited, when PCI quantity has exceeded the RB numbers that system bandwidth contains, it is necessary to institute There is PCI to be grouped, now, the mapping mechanism of PCI groups and CSS resource location can be as shown in figure 17.

Specifically application scenarios can be macro base station and the micro- base adjacent with macro base station in heterogeneous network to the embodiment of the present invention Stand selection CSS resource location it is different, or the CSS selected in homogeneous network between adjacent macro base station resource location is different Deng the embodiment of the present invention is not limited.

Specifically, mapping mechanism be according to formula Rstart=（A mode[N/R]）What × R was set up, wherein, Rstart is CSS resource original position, A is the parameter information of the reference signal, and N is can be used for CSS communication resource size, and R is CSS The resource size of occupancy, mode is modulo operation.Wherein, above-mentioned formula can be transformed to Rstart_v1=（A mode[N/R]）, Now Rstart_v1 also is indicated as CSS resource original position, and simply the radio resource units of original position herein are R pairs The radio resource units answered.[N/R] is N/R rounding operation, for example, when N/R is not integer, taking closest to but less than N/R Integer, or take closest to but more than N/R integer.Integer specially more than N/R is also less than N/R integer, can be by Agreement provides that the present invention, which is not done, clearly to be limited.

Alternatively, above-mentioned mapping mechanism can also be according to formula Rstart=（A mode[N/R]+B）What × R was set up, Wherein, Rstart is CSS resource original position, and A is the parameter information of the reference signal, and N is big for the resource that can be used for CSS Small, R is the resource size that CSS takes, and B is a deviant.The introducing of the deviant B, can cause the position of CSS resources Configuration it is more flexible.Further, the formula can be transformed to Rstart_v2=（A mode[N/R]+B）, now Rstart_v2 also is indicated as CSS resource original position, and simply the radio resource units of original position herein are corresponding for R Radio resource units.[N/R] is N/R rounding operation, for example, when N/R is not integer, taking closest to but being less than the whole of N/R Number, or take the integer closest to but more than N/R.The specific integer for taking the integer more than N/R to be also less than N/R, can be by agreement Regulation, the present invention, which is not done, clearly to be limited.Specifically, the A of above-mentioned formula can be PCI, or SSS（Secondary Synchronization Signal, auxiliary synchronous signals）, or PCI/SSS all kinds of variants represent, the present invention is not limited It is fixed.N can be system bandwidth, be either that system can be used in the radio resource range size of CSS resources or be that system can The CCE that Radio Resource for CSS resources takes（Control Channel Element, control channel unit）Or other The size of radio resource unit.R can be the size of the wireless range of CSS resource occupation, or be the CCE of CSS resource occupation Size or other radio resource unit size.Example：System bandwidth 10M（In units of RB, N=50, wherein, RB's With a width of 180kb）, the frequency domain resource that public search space occupies bandwidth R=6, CSS has [100/6]=16, and base station PCI= 100, then the CSS of base station resource original position be Rstart=（100mod[100/6]）The CSS's of * 6=24, the i.e. base station Resource original position is on the 24th RB.

Alternatively, the mapping mechanism can also be represented with form.For example, the reference signal and/or reference signal Parameter information and CSS take utilization of resources form mapped.For another example the cell ID, cell ID group, master are together Walk any of signal PSS marks, PSS marks group, auxiliary synchronous signals SSS mark, SSS mark groups or be combined can be with It is corresponding with the resource progress that one or several CSS take according to form.Base station and/or user equipment, can using the form To determine the resource of CSS occupancy corresponding with the parameter information of the reference signal and/or reference signal, or determine that CSS is accounted for The parameter information of the corresponding reference signal of resource and/or reference signal.

402nd, the user equipment obtains the parameter with the reference signal or the reference signal according to mapping mechanism After the corresponding CSS of information resource location, the control information that base station is sent on the resource location of the CSS is received.

Specifically, user equipment can obtain the SI-RNTI on CSS resource location（SystemInformation- RNTI, system information Radio Network Temporary Identifier）、P-RNTI（Paging-RNTI, calls Radio Network Temporary Identifier）, broadcast Message, RA-RNTI（Random access-RNTI random access radio network temporary marks）Deng.

The method that the present embodiment is provided, is believed by the resource location for setting up CSS from different reference signals and/or the reference Number different parameters information mapping mechanism so that reference signal and/or ginseng that different base station that user equipment is received is sent The resource location for examining the corresponding CSS of parameter information of signal is different so that user equipment will not be by with serving user equipment The adjacent base station in base station CSS resource location information interference, so as to eliminate CSS problem of co-channel interference, improve The communication quality of system.

The present embodiment provides another public search space CSS interference coordination device, as shown in figure 5, described device bag Include：Receiving unit 51, acquiring unit 52.

Receiving unit 51, can be used for receiving the reference signal of base station transmission and/or the parameter information of the reference signal.

Wherein, the parameter information of the reference signal and/or the reference signal and the base station selected common search Space CSS resource location correspondence.

Acquiring unit 52, can be used for according to mapping mechanism obtain with the receiving unit 51 receive reference signal or After the corresponding CSS of parameter information of reference signal resource location, receive base station and sent on the resource location of the CSS Control information.

Wherein, the mapping mechanism is each CSS resource location one reference signal of correspondence and/or the reference signal Parameter information.

The entity for the device that the present embodiment is provided can be user equipment, as shown in fig. 6, described device includes：Receiver 61st, processor 62.Receiver 61, can be used for the parameter letter for the reference signal and/or reference signal for receiving base station transmission The parameter information of breath, the reference signal and/or the reference signal and the money of the base station selected public search space CSS Source position correspondence.

Processor 62, can be used for obtaining the reference signal or described received with the receiver 61 according to mapping mechanism After the corresponding CSS of parameter information of reference signal resource location, the control that base station is sent on the resource location of the CSS is received Information processed, resource location one reference signal of correspondence and/or the parameter of the reference signal that the mapping mechanism is each CSS Information.

It should be noted that the corresponding description of each functional unit involved by the device that the present embodiment is provided, may be referred to Fig. 4 In correspondence description, will not be repeated here.

The device that the present embodiment is provided, is believed by the resource location for setting up CSS from different reference signals and/or the reference Number different parameters information mapping mechanism so that reference signal and/or ginseng that different base station that user equipment is received is sent The resource location for examining the corresponding CSS of parameter information of signal is different so that user equipment will not be by with serving user equipment The adjacent base station in base station CSS resource location information interference, so as to eliminate CSS problem of co-channel interference, improve The communication quality of system.

The present embodiment provides another public search space CSS disturbance coordination method, as shown in fig. 7, methods described bag Include：

701st, first base station receives the near barren Radio Resource of low-power for second base station that the second base station is sent Positional information, or the first base station receive the institute that operation management maintenance entity OAM or mobility management entity MME is sent State the positional information of the near barren Radio Resource of low-power of the second base station.

Wherein, the first base station can be micro-base station, and the second base station can be macro base station.The low-power is near barren The positional information of Radio Resource, can be the near barren Radio Resource time domain of low-power, frequency domain, spatial information (si) in it is any or A variety of combination, or can determine the parameter information of the mapping mechanism of the position of the near barren Radio Resource of low-power. The near barren Radio Resource of low-power of the base station, can send signal for the base station low-power and/or only transmitting portion is believed Number resource.The interference to other base stations is reduced, is another by way of being reduced on Radio Resource and sending signal energy in base station One base station sends useful signal and provides possibility.

Specifically, when X2 interface is set up in the first base station and second base station or set up after X2 interface, it is described The low-power that first base station receives second base station that second base station is sent according to the X2 interface is near barren wireless The positional information of resource.

Alternatively, the first base station receives low-power of second base station in second base station for broadcast of eating dishes without rice or wine The positional information of near barren Radio Resource.

Alternatively, the first base station can also be included before step 701 and sends solicited message, institute to second base station State the position that solicited message is used to ask the near barren Radio Resource of low-power of the second base station transmission second base station Information；Or the low-power that the solicited message is used to ask second base station to be asked according to the solicited message is near barren Radio Resource, sets the positional information of the near barren Radio Resource of low-power of second base station, and/or the solicited message For the positional information for the near barren Radio Resource of low-power for asking the second base station setting second base station.Wherein, The step can occur, when micro-base station is initially opened, can also occur in the micro-base station course of work.

Alternatively, first base station can also be included before step 701 and sends request letter to the OAM or MME Breath, to cause the OAM or the MME that the solicited message is sent into second base station, the solicited message is used for Second base station is asked to send the positional information of the near barren Radio Resource of low-power of second base station；Or it is described please Ask information to be used for the near barren Radio Resource of low-power for asking second base station to be asked according to the solicited message, institute is set State the positional information of the near barren Radio Resource of low-power of the second base station, and/or the solicited message is used to asking described the Two base stations set the positional information of the near barren Radio Resource of low-power of second base station；Or the solicited message is used for The OAM or the MME is asked to send the positional information of the near barren Radio Resource of low-power of second base station to the One base station.

702nd, first base station selects public affairs corresponding with the position of the near barren Radio Resource of low-power of second base station Common search space CSS resource and the parameter information of reference signal corresponding with the resource of the CSS and/or reference signal.

Wherein, the control that the resource of the CSS is used to send to the corresponding user equipment of the first base station by first base station Information.CSS resource can be the resource with the set of the enhanced Physical Downlink Control Channel ePDCCH for CSS, or The Radio Resource that can be taken for CSS CCE.The Radio Resource of the occupancy can for frequency domain take wireless resource block and/ Or the orthogonal frequency division multiplex OFDM symbol or the subframe numbers of time domain of time domain, the Radio Resource can be continuous on frequency domain, It can be distributed on frequency domain.CSS resource can also be the resource with the down control channel with storing CSS information.Institute Stating the resource of down control channel can represent for any of time domain, frequency domain, spatial domain or a variety of combinations, now CSS can be for ePDCCH or for NCT（New Carrier Type, new wave-carring type carrier wave）Enhanced CSS.

Further, to cause the corresponding user equipment of the first base station to obtain the reference signal and/or with reference to believing Number the corresponding CSS of parameter information resource location after, receive base station sent on the resource location of the CSS control letter Breath.

The method that the present embodiment is provided, the position with the near barren Radio Resource of macro base station low-power is selected by micro-base station The parameter of corresponding public search space CSS resource and reference signal corresponding with the resource of the CSS and/or reference signal Information so that the user equipment in micro-base station will not be disturbed by the CSS of macro base station resource location information, so as to eliminate CSS problem of co-channel interference, improves the communication quality of system.

The present embodiment provides another public search space CSS interference coordination device, as shown in figure 8, described device bag Include：Receiving unit 81, selecting unit 82.

Receiving unit 81, the low-power that can be used for receiving second base station that the second base station is sent is near barren wireless The positional information of resource, or receive operation management maintenance entity OAM or mobility management entity MME is sent described second The positional information of the near barren Radio Resource of low-power of base station.

Receiving unit 81, specifically can be used for when setting up X2 interface with second base station or sets up after X2 interface, The position of the near barren Radio Resource of low-power for second base station that second base station is sent is received according to the X2 interface Confidence ceases；Or

Selecting unit 82, the low-power that can be used for second base station that selection is received with the receiving unit 81 is intimate The corresponding public search space CSS in position of blank Radio Resource resource, the resource of the CSS is used for this by first base station The control information that the corresponding user equipment of first base station is sent.

Selecting unit 82, can be also used for selecting corresponding with the resource of the CSS reference signal and/or reference signal Parameter information.

Described device can also include：

Transmitting element 83, can be used for sending solicited message to second base station.

Transmitting element 83, can be also used for sending solicited message to the OAM or the MME, with cause the OAM or The solicited message is sent to second base station by MME described in person.

Wherein, the second base station in the present embodiment can be macro base station.

The entity for the device that the present embodiment is provided can be micro-base station, as shown in figure 9, the micro-base station includes：Receiver 91st, processor 92, transmitter 93.

Receiver 91, can be used for the near barren wireless money of low-power for receiving second base station that the second base station is sent The positional information in source, or receive second base that operation management maintenance entity OAM or mobility management entity MME is sent The positional information for the near barren Radio Resource of low-power stood.

Receiver 91, specifically can be used for when setting up X2 interface with second base station or sets up after X2 interface, root The position of the near barren Radio Resource of low-power for second base station that second base station is sent is received according to the X2 interface Information；Or

Processor 92, the low-power that can be used for second base station that selection is received with the receiver 91 is near barren The corresponding public search space CSS in position of Radio Resource resource, the resource of the CSS by first base station be used for this first The control information that the corresponding user equipment in base station is sent.

Processor 92, can be also used for selecting the ginseng of corresponding with the resource of the CSS reference signal and/or reference signal Number information.

Transmitter 93, can be used for sending solicited message to second base station.

Transmitter 93, can be also used for sending solicited message to the OAM or the MME, with cause the OAM or The solicited message is sent to second base station by the MME.

It should be noted that the corresponding description of each functional unit involved by the device that the present embodiment is provided, may be referred to Correspondence description in Fig. 7, will not be repeated here.

The device that the present embodiment is provided, it is corresponding with the position of the near barren Radio Resource of macro base station low-power by selecting The parameter information of public search space CSS resource and reference signal corresponding with the resource of the CSS and/or reference signal, So that user equipment will not be disturbed by the CSS of macro base station resource location information, so that the co-channel interference for eliminating CSS is asked Topic, improves the communication quality of system.

The present embodiment provides another public search space CSS disturbance coordination method, as shown in Figure 10, methods described bag Include：

1001st, second base station receives the solicited message that the first base station is sent.

Wherein, the low-power that the solicited message is used to ask second base station to send second base station is near barren The positional information of Radio Resource；Or the solicited message is used to ask what second base station was asked according to the solicited message The near barren Radio Resource of low-power, the positional information of the near barren Radio Resource of low-power of setting second base station, and/ Or low-power near barren Radio Resource of the solicited message for asking the second base station setting second base station Positional information.

Alternatively, the second base station receives asking for operation management maintenance entity OAM or mobility management entity MME transmissions Seek information.

Wherein, the low-power that the solicited message is used to ask second base station to send second base station is near barren The positional information of Radio Resource；Or the solicited message is used to ask what second base station was asked according to the solicited message The near barren Radio Resource of low-power, the positional information of the near barren Radio Resource of low-power of setting second base station, and/ Or low-power near barren Radio Resource of the solicited message for asking the second base station setting second base station Positional information；Or the low-power that the solicited message is used to ask the OAM or MME to send second base station is near The positional information of blank Radio Resource is to first base station.

1002nd, the second base station sends the position of the near barren Radio Resource of low-power of second base station to first base station Information.

Wherein, the positional information of the near barren Radio Resource of the low-power, can be the near barren wireless money of low-power Any or a variety of combination in source time domain, frequency domain, spatial information (si), or can determine that low-power is near barren wireless The parameter information of the mapping mechanism of the position of resource.The near barren Radio Resource of low-power of the base station, can be low for base station Power sends signal and/or the only resource of transmitting portion signal.Base station sends signal energy by being reduced on Radio Resource Mode, sends useful signal for another base station and provides possibility.

Further, to cause first base station selection corresponding with the position of the near barren Radio Resource of the low-power Public search space CSS resource and reference signal corresponding with the resource of the CSS and/or reference signal parameter letter Breath, the resource of the CSS is used for the control information to the corresponding user equipment transmission of the first base station by first base station.

Wherein, the second base station can be macro base station, and first base station can be micro-base station.Wherein, CSS resource can be with For the resource of CSS enhanced Physical Downlink Control Channel ePDCCH set, or the nothing that can be taken for CSS CCE Line resource.Wireless resource block and/or the OFDM of time domain that the Radio Resource of the occupancy can take for frequency domain The subframe numbers of OFDM symbol or time domain, the Radio Resource can be continuous on frequency domain or is distributed on frequency domain. CSS resource can also be the resource with the down control channel with storing CSS information.The resource of the down control channel can Think any of time domain, frequency domain, spatial domain or a variety of combinations to represent, CSS now can be for ePDCCH or For NCT（NewCarrier Type, new wave-carring type carrier wave）Enhanced CSS.

Specifically, when X2 interface is set up in the first base station and second base station or set up after X2 interface, it is described Second base station sends the near barren Radio Resource of low-power of second base station according to the X2 interface to the first base station Positional information.

Alternatively, second base station is intimate in the low-power to first base station broadcast second base station of eating dishes without rice or wine The positional information of blank Radio Resource.

The method that the present embodiment is provided, the near barren wireless money of low-power of macro base station is sent by macro base station to micro-base station The corresponding public search space CSS in position in source resource and reference signal corresponding with the resource of the CSS and/or reference letter Number parameter information so that user equipment will not be disturbed by the CSS of macro base station resource location information, so as to eliminate CSS problem of co-channel interference, improves the communication quality of system.

The present embodiment provides another public search space CSS interference coordination device, as shown in figure 11, described device bag Include：Transmitting element 1101, receiving unit 1102.

Transmitting element 1101, can be used for the positional information that the near barren Radio Resource of low-power is sent to first base station, First base station can be micro-base station.

Transmitting element 1101, specifically can be used for when setting up X2 interface with second base station or sets up X2 interface Afterwards, the positional information of the near barren Radio Resource of low-power is sent to the first base station according to the X2 interface, or

Receiving unit 1102, can be used for receiving the solicited message that the first base station is sent.

Receiving unit 1102, can be also used for receiving operation management maintenance entity OAM or mobility management entity MME hairs The solicited message sent.

The entity for the device that the present embodiment is provided can be macro base station, and as shown in figure 12, the macro base station can include：Hair Send device 1201, receiver 1202.

Transmitter 1201, can be used for the positional information that the near barren Radio Resource of low-power is sent to first base station, the One base station can be micro-base station.

Transmitter 1201, specifically can be used for when setting up X2 interface with second base station or sets up after X2 interface, The positional information of the near barren Radio Resource of low-power is sent to the first base station according to the X2 interface, or

Receiver 1202, can be used for receiving the solicited message that the first base station is sent.

Receiver 1202, can be also used for receiving operation management maintenance entity OAM or mobility management entity MME transmissions Solicited message.

It should be noted that each functional unit involved by the device that the present embodiment is provided other it is corresponding describe, can be with With reference to the corresponding description in Figure 10, it will not be repeated here.

The device that the present embodiment is provided, the position of the near barren Radio Resource of low-power by sending macro base station to micro-base station Put the ginseng of corresponding public search space CSS resource and reference signal corresponding with the resource of the CSS and/or reference signal Number information so that user equipment will not be disturbed by CSS resource location information, so that the co-channel interference for eliminating CSS is asked Topic, improves the communication quality of system.

The present embodiment provides another public search space CSS disturbance coordination method, as shown in figure 13, methods described bag Include：

1301st, base station is by interacting the money with the public search space CSS of the base station and adjacent base station with adjacent base station The related information in source position, selects the CSS of base station resource location.

Wherein, the resource location relevant information includes CSS resource location information or CSS resource location scope Information, or any of the information of resource location for mapping the CSS or any combination.The base station and the phase The interactive mode of adjacent base station includes master-slave mode and/or on-demand, and specifically, the interactive mode of master-slave mode is specifically as follows base station master Trend adjacent base station sends the information related to the CSS of base station resource location, to cause adjacent base station selection suitable CSS resource locations；The interactive mode of on-demand is specifically as follows base station please by way of sending solicited message to adjacent base station Adjacent base station is asked to send the information related to the CSS of adjacent base station resource location, so that base station can select suitable CSS to provide Source position.

Specifically, base station actively sends the information related to the CSS of base station resource location to adjacent base station, to cause phase Adjacent base station selects suitable CSS resource locations；Or base station requests adjacent base station sends the resource location with the CSS of adjacent base station Related information, to cause base station selected suitable CSS resource locations；Or base station transmits request information to adjacent base station, institute Stating solicited message is used to ask adjacent base station according to the related information of the resource location of the CSS in request message, configures adjacent base The CSS resource locations stood；Or base station sends the information related to the CSS of base station resource location to OAM and/or MME, Or base station requests OAM and/or MME the configuration information related to the CSS of base station resource location or and adjacent base station CSS the related information of resource location.Wherein, all information in above-mentioned interaction can be turned by OAM or MME Hair, or when setting up X2 interface by base station and adjacent base station or set up after X2 interface, it is transmitted by X2 interface, or It is transmitted other inter-base station interfaces or by way of eating dishes without rice or wine to broadcast, for example, base station is in broadcast and the CSS moneys of base station of eating dishes without rice or wine The related information in source position, the present embodiment is not limited.Or, base station actively sends the money with the CSS of base station to OAM or MME The related information in source position, to cause OAM/MME as the suitable CSS resource locations of subordinate base station configuration；Or base station requests OAM Or MME sends the information related to the resource location of base station or adjacent base station or the CSS of specific base, to cause base Stand and select suitable CSS resource locations.

Alternatively, user equipment obtains the resource location with the CSS of base station by the user equipment and the interface of base station After related information, other base stations can be given by the related information reporting of the resource location of the CSS to base station, to cause it His base station obtains the information of the base station.So by way of user equipment is aided in, base station can be obtained and the base station phase The related information of the CSS of adjacent base station resource location, and then realize the network optimization.The user equipment can be by reading base Stand using any one in broadcast mode or rrc layer dedicated signaling mode or MAC layer information or physical layer signaling or The mode of person's any combination, obtains the CSS of base station resource location relevant information.

For the adjacent base station of the base station, the resource location for receiving the CSS to base station that base station is sent is related After information, suitable CSS resource locations are selected；Or adjacent base station receive base station send request adjacent base station send with it is adjacent The related information of the CSS of base station resource location, the information related to the CSS of adjacent base station resource location is sent to base station, To cause base station selected suitable CSS resource locations；Or adjacent base station receives the solicited message that base station is sent, the request letter Cease for asking adjacent base station according to the related information of the resource location of the CSS in request message, the CSS moneys of configuration adjacent base station Source position.Wherein, all information in above-mentioned interaction can be forwarded by OAM or MME, or pass through base station and phase When adjacent base station sets up X2 interface or set up after X2 interface, adjacent base station is received by X2 interface, or passes through other bases Stand interface or eat dishes without rice or wine broadcast mode received, for example, adjacent base station eat dishes without rice or wine receive base station broadcast and the base The information for the CSS resource locations correlation stood, the present embodiment is not limited.Or OAM and/or MME receives the described of base station transmission The information related to the CSS of base station resource location, or OAM and/or MME receive base station requests OAM and/or MME configuration institute That states the information related to the CSS of base station resource location or the information related with the CSS of adjacent base station resource location please Ask.Or OAM and/or MME are received after the CSS for the base station that base station is actively the sent information of resource location correlation, OAM/MME Suitable CSS resource locations are configured for subordinate base station；Or OAM and/or MME receives request OAM or the MME transmission that base station is sent The request of the related information of the base station or adjacent base station or the CSS of specific base resource location, to cause base station to select Select suitable CSS resource locations.

Alternatively, base station is by interacting the public search space CSS with the base station and adjacent base station with adjacent base station The related information of resource location so that adjacent base station selects the CSSs different from base station resource location.For example, when base station and Adjacent base station is the resource location correlation letter of the resource location and/or CSS that select different CSS when interfering base station each other Breath.

Alternatively, base station is by interacting the public search space CSS with the base station and adjacent base station with adjacent base station The related information of resource location so that adjacent base station selects the resource location with base station identical CSS.For example, when base station and When adjacent base station is homogeneity base station, for example, is all the small base station under macro base station, and disturbs smaller to each other, then it is base station selected with The CSS of adjacent base station selection resource location identical CSS resource location and/or CSS resource location relevant information. Wherein, the adjacent base station of the base station can be any type base station, and the present embodiment is not limited.

The method that the present embodiment is provided, is interacted with adjacent base station by base station and is searched with the base station and the public of adjacent base station After the related information of rope space CSS resource location, select different from the resource location for the CSS that the adjacent base station is selected CSS resource location so that user equipment will not be disturbed by the CSS of adjacent base station resource location information, so as to eliminate CSS problem of co-channel interference, improves the communication quality of system.

The present embodiment provides another public search space CSS interference coordination device, as shown in figure 14, described device bag Include：Interactive unit 1401, selecting unit 1402.

Interactive unit 1401, can be used for interacting the public search space with the base station and adjacent base station with adjacent base station CSS resource location relevant information.

Selecting unit 1402, can be used for after the interactive unit 1401 interacts with the adjacent base station, selection with it is described The CSS of the adjacent base station selection different CSS of resource location resource location.

Wherein, the packet related to the resource location of the base station and the public search space CSS of adjacent base station Include the CSS of the base station and adjacent base station resource location information or the CSS of the base station and adjacent base station resource location Range information, or any of the information of resource location of the CSS for mapping the base station and adjacent base station or Any combination.

The entity for the device that the present embodiment is provided can be base station, and as shown in figure 15, the base station includes：Transceiver 1501st, processor 1502.

Transceiver 1501, can be used for interacting the public search space with the base station and adjacent base station with adjacent base station CSS resource location relevant information.

Processor 1502, can be used for after the transceiver 1501 interacts with the adjacent base station, selection with it is described adjacent The different CSS of base station selected CSS resource location resource location.

The device that the present embodiment is provided, by interacting the common search sky with the base station and adjacent base station with adjacent base station Between CSS resource location relevant information after, selection and the CSS of the adjacent base station selection different CSS of resource location money Source position so that user equipment will not be disturbed by the CSS of adjacent base station resource location information, so as to eliminate CSS's Problem of co-channel interference, improves the communication quality of system.

The present embodiment provides a kind of public search space CSS acquisition methods, and as shown in figure 18, methods described includes：

1801st, base station broadcasted in broadcast channel BCH the CSS of the base station or adjacent base station resource location or with The base station information related to the resource location of the adjacent base station.

Wherein, it is any in the time domain of the resource location of the CSS including CSS resources, frequency domain, spatial domain, code domain or appoint Meaning combination, resource location information of the information related to the resource location of the base station and the adjacent base station including CSS, Either any of CSS resource location range information or the information of resource location for mapping the CSS or any Combination.

The base station include master base station and/or the adjacent base station include small base station, it is any from base station, master base station Or any combination.Master base station is specifically as follows but is not limited to macro base station, is specifically as follows from base station but is not limited to micro-base station, main Base station can be from base station configuration information, parameter etc..

Further, so as to obtain the CSS resource locations that user equipment obtains the base station.

The present embodiment provides a kind of public search space CSS acquisition device, and as shown in figure 19, the entity of described device can Think base station, described device includes：Radio unit 1901.

Radio unit 1901, can be used for the money that the CSS of the base station or adjacent base station is broadcasted in broadcast channel BCH Source position or the information related to the resource location of the base station and the adjacent base station, so that obtaining user equipment obtains described The CSS resource locations of base station.

The acquisition methods and device for a kind of public search space CSS that the present embodiment is provided so that user equipment will not be by To the interference of the CSS of adjacent base station resource location information, so as to eliminate CSS problem of co-channel interference, system is improved Communication quality.

The present embodiment provides another public search space CSS acquisition methods, and as shown in figure 20, methods described includes：

2001st, user equipment obtain broadcasted in broadcast channel BCH the base station of base station or with the base station phase The CSS of adjacent base station resource location or the information related to the resource location of the base station and the adjacent base station.

2002nd, user equipment is according to the resource location of the CSS or the money with the base station and the adjacent base station After information in CSS described in the related acquisition of information in source position, Downlink Control Information is obtained.

The base station include master base station and/or the adjacent base station include small base station, it is any from base station, master base station Plant or be combined.Master base station is specifically as follows but is not limited to macro base station, is specifically as follows from base station but is not limited to micro-base station, Master base station can be from base station configuration information, parameter etc..

The present embodiment provides another public search space CSS acquisition device, as shown in figure 21, the entity of described device Can be user equipment, described device includes：Acquiring unit 2101.

Acquiring unit 2101, can be used for obtaining broadcasted in broadcast channel BCH the base station of base station or with institute State the CSS of the adjacent base station in base station resource location or related to the resource location of the base station and the adjacent base station Information.Acquiring unit 2101, can be also used for according to the resource location of the CSS or with the base station and the adjacent base After information in CSS described in the acquisition of information for the resource location correlation stood, Downlink Control Information is obtained.

The acquisition methods and device for another public search space CSS that the present embodiment is provided so that user equipment will not Disturbed by the CSS of adjacent base station resource location information, so as to eliminate CSS problem of co-channel interference, improve system Communication quality.

The present embodiment provides another public search space CSS acquisition methods, as shown in figure 22, and methods described includes：

2201st, base station sends the base station and/or the base adjacent with the base station by inter-base station interface to target BS The CSS stood resource location or the information related to the resource location of the base station and/or the adjacent base station.

Further, to cause the target BS to select the CSS resource locations of the target BS according to described information Or according to described information scheduling user's set.

The present embodiment provides another public search space CSS acquisition device, and the entity of described device can be base station, As shown in figure 23, described device includes：Transmitting element 2301.

Transmitting element 2301, can be used for by inter-base station interface to target BS send the base station and/or with it is described The CSS of the adjacent base station in base station resource location is related to the resource location of the base station and/or the adjacent base station Information.

The present embodiment provides another public search space CSS acquisition methods, as shown in figure 24, and methods described includes：

2401st, target BS receives the base station and/or adjacent with the base station that base station is sent by inter-base station interface Base station CSS resource location or the information related to the resource location of the base station and/or the adjacent base station.

2402nd, target BS selects the CSS resource locations of the target BS or according to the letter according to described information Cease scheduling user's set.

The present embodiment provides another public search space CSS acquisition device, as shown in figure 25, and described device includes： Receiving unit 2501, selection scheduling unit 2502.

Receiving unit 2501, can be used for by inter-base station interface receive base station send the base station and/or with it is described The CSS of the adjacent base station in base station resource location is related to the resource location of the base station and/or the adjacent base station Information.

Selection scheduling unit 2502, can be used for according to described information select the target BS CSS resource locations or Person is according to described information scheduling user's set.

The method that public search space CSS provided in an embodiment of the present invention interference coordination device can realize above-mentioned offer Embodiment, concrete function realizes the explanation referred in embodiment of the method, will not be repeated here.Public affairs provided in an embodiment of the present invention Search space CSS disturbance coordination method and device goes for field of wireless communications altogether, but is not limited only to this.

In real network, it is most basic that base station configures embodiment base station at 6 RB of carrier center and the subframe of agreement The broadcast channel BCH of information.With the technological evolvement that the present invention is described, in order to avoid heterogeneous network scene or homogeneous network The interference of scape, the resource that BCH is occupied can also carry out more flexible dynamic adaptation, the disturbance coordination method of above-mentioned CSS resources and Device is applied equally to the configuration of BCH resources.Therefore, after the CSS in all methods of present invention description is replaced with BCH, it can use To solve BCH interference problem.

The base station that the present invention is referred to can also refer to the cell of base station covering.The information of base station interaction, can also refer to base station The information of cell interaction.The information of base station can also refer to the information of the cell of base station.For example, the low-power of base station is near barren The positional information of Radio Resource, refers to the positional information of the near barren Radio Resource of low-power of the cell of base station；CSS resource Position refers to the CSS of the cell of base station resource location；Public search space CSS resource location relevant information refers to base station The public search space CSS of cell resource location relevant information.

One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access Memory, RAM）Deng.

The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims

1. a kind of public search space CSS disturbance coordination method, it is characterised in that including：

Base station selects public search space CSS resource location according to mapping mechanism in the communication resource, and the mapping mechanism is Each CSS resource location one reference signal of correspondence and/or the parameter information of the reference signal；

The base station sends corresponding with the resource location of the CSS described with reference to letter to user equipment corresponding with the base station Number and/or the reference signal parameter information,

To cause the user equipment to obtain the ginseng with the reference signal and/or the reference signal according to the mapping mechanism After the corresponding CSS of number information resource location, the control information that base station is sent on the resource location of the CSS is received.

2. public search space CSS according to claim 1 disturbance coordination method, it is characterised in that described with reference to letter Number be channel state information reference signals CSI-RS, cell level reference signal CRS, demodulated reference signal DM-RS, track reference Signal Tracking reference signal, auxiliary synchronous reference signal Secondary Synchronization Signal, Any of main reference synchronization Primary Synchronization Signal or any combination, the reference signal Parameter information be cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS identify, Any of SSS mark groups or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification Any of ECGI, virtual subdistrict mark or any combination.

3. public search space CSS according to claim 1 disturbance coordination method, it is characterised in that the mapping machine System is set up according to formula Rstart=(A mode [N/R]) × R, wherein, Rstart is CSS resource original position, and A is The parameter information of the reference signal, N is the communication resource for CSS, and R is the resource that CSS takes, and mode transports for modulus Calculate.

4. a kind of public search space CSS disturbance coordination method, it is characterised in that including：

User equipment receives the reference signal of base station transmission corresponding with the user equipment and/or the parameter of the reference signal The parameter information of information, the reference signal and/or the reference signal is with the base station selected public search space CSS's Resource location correspondence；

The user equipment obtains corresponding with the parameter information of the reference signal or the reference signal according to mapping mechanism CSS resource location after, receive the control information that is sent on the resource location of the CSS of base station, the mapping mechanism is Each CSS resource location one reference signal of correspondence and/or the parameter information of the reference signal.

5. public search space CSS according to claim 4 disturbance coordination method, it is characterised in that described with reference to letter Number be channel state information reference signals CSI-RS, cell level reference signal CRS, demodulated reference signal DM-RS, track reference Signal Tracking reference signal, auxiliary synchronous reference signal Secondary Synchronization Signal, Any of main reference synchronization Primary Synchronization Signal or any combination, the reference signal Parameter information be cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS identify, Any of SSS mark groups or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification Any of ECGI, virtual subdistrict mark or any combination.

6. public search space CSS according to claim 4 disturbance coordination method, it is characterised in that the mapping machine System is set up according to formula Rstart=(A mode [N/R]) × R, wherein, Rstart is CSS resource original position, and A is The parameter information of the reference signal, N is the communication resource for CSS, and R is the resource that CSS takes, and mode is modulo operation.

7. a kind of public search space CSS interference coordination device, it is characterised in that including：

Selecting unit, the resource location for selecting public search space CSS in the communication resource according to mapping mechanism is described to reflect Penetrate resource location correspondence one reference signal and/or the parameter information of the reference signal of the mechanism for each CSS；

Transmitting element, for sending corresponding with the CSS of selecting unit selection resource location described to user equipment The parameter information of reference signal and/or the reference signal,

8. public search space CSS according to claim 7 interference coordination device, it is characterised in that described with reference to letter Number be channel state information reference signals CSI-RS, cell level reference signal CRS, demodulated reference signal DM-RS, track reference Signal Tracking reference signal, auxiliary synchronous reference signal Secondary Synchronization Signal, Any of main reference synchronization Primary Synchronization Signal or any combination, the reference signal Parameter information be cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals SSS identify, Any of SSS mark groups or any combination, the cell ID are Physical Cell Identifier PCI, Cell Global Identification Any of ECGI, virtual subdistrict mark or any combination.

9. public search space CSS according to claim 7 interference coordination device, it is characterised in that the mapping machine System is set up according to formula Rstart=(A mode [N/R]) × R, wherein, Rstart is CSS resource original position, and A is The parameter information of the reference signal, N is the communication resource for CSS, and R is the resource that CSS takes, and mode transports for modulus Calculate.

10. a kind of public search space CSS interference coordination device, it is characterised in that including：

Receiving unit, it is described with reference to letter for receiving the reference signal of base station transmission and/or the parameter information of the reference signal Number and/or the reference signal parameter information it is corresponding with the resource location of the base station selected public search space CSS；

Acquiring unit, for obtaining the reference signal or the reference signal that are received with the receiving unit according to mapping mechanism The corresponding CSS of parameter information resource location after, receive the control information that is sent on the resource location of the CSS of base station, Resource location one reference signal of correspondence and/or the parameter information of the reference signal that the mapping mechanism is each CSS.

11. public search space CSS according to claim 10 interference coordination device, it is characterised in that the reference Signal is channel state information reference signals CSI-RS, cell level reference signal CRS, demodulated reference signal DM-RS, tracking ginseng Examine signal Tracking reference signal, auxiliary synchronous reference signal Secondary Synchronization Any of Signal, main reference synchronization Primary Synchronization Signal or any combination, the ginseng The parameter information for examining signal is cell ID, cell ID group, master sync signal PSS marks, PSS marks group, auxiliary synchronous signals Any of SSS marks, SSS mark groups or any combination, the cell ID is Physical Cell Identifier PCI, cell is complete Any of office mark ECGI, virtual subdistrict mark or any combination.

12. public search space CSS according to claim 10 interference coordination device, it is characterised in that the mapping Mechanism is set up according to formula Rstart=(A mode [N/R]) × R, wherein, Rstart is CSS resource original position, A For the parameter information of the reference signal, N is the communication resource for CSS, and R is the resource that CSS takes, and mode transports for modulus Calculate.