CN104105159A

CN104105159A - Small cell discovery method and center control unit

Info

Publication number: CN104105159A
Application number: CN201310115744.3A
Authority: CN
Inventors: 王锐; 沈晓冬; 刘建军; 郑毅; 胡臻平
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2013-04-03
Filing date: 2013-04-03
Publication date: 2014-10-15
Anticipated expiration: 2033-04-03
Also published as: CN104105159B

Abstract

The invention discloses a small cell discovery method and a center control unit. The small cell discovery method comprises : an LTE is applied in the center control unit and has an interface for communicating with an anchor cell base station and a normal small cell base station or is applied in an LTE-A network; the center control unit transmits adjacent cell discovery signal configuration information to a service cell base station; the service base station transmits the adjacent cell discovery signal configuration information to self-service UE; the UE measures discovery signals of all adjacent cells of an adjacent cell list of a service cell according to the adjacent cell discovery signal configuration information, records the adjacent cell collection discovered by the UE and reports the adjacent cell collection to the service base station; the service cell base station transponds the adjacent collection discovered by the UE to the center control unit; and the center control unit selects one or more than one small cells from the adjacent cell collection and activates the selected small cell for the UE. The invention realizes the LTE or the discovery of the small cell under the LTE-A network architecture.

Description

Small-cell discover method and centralized control unit

Technical field

The present invention relates to Long Term Evolution (LTE, Long Term Evolution) technical field, be specifically related to small-cell discover method and centralized control unit.

Background technology

In order further to improve spectrum efficiency or to mend blind concurrent heating, industry has proposed small-cell (small cell) application scenarios, beyond original macrocell (macro cell) covers, or at the covering blind spot of macro cell, increases and disposes small cell.

Small cell, because coverage is less, need to dispose a large amount of websites, if all small cell always all the state in opening to the energy consumption of network, be a larger test, especially under the environment of intensive deployment.For the object such as energy-conservation, some does not have the small cell of service-user will be in resting state.In order to realize fast community, find and activate, introduced discovery signals (DS, Discovery Signal), utilize discovery signals to realize the small cell that dynamically active has service-user, close and there is no for a long time the small of service-user cell, thus the object that reaches network energy-saving, reduce to disturb.

The flat architecture design of current LTE/LTE-A system, be unfavorable for coordinating to control the dynamic switch of a region interior nodes, therefore industry has proposed two kinds of new network frameworks, respectively as shown in Fig. 1-1, Fig. 1-2, wherein, Master is the logic centre control unit of bunch (cluster) or cluster subset, is not limited to macro cell.In Fig. 1-1, Master possesses the interface of (anchor cell) base station, Yu Mao community and common community (normal cell) base station communication; In Fig. 1-2, Master possesses the interface with anchor cell base station communication, but does not possess the interface with normal cell base station communication.

For the small cell discovery technique under this new architecture, do not have detailed technical scheme to describe at present.

Summary of the invention

The invention provides small cell discover method and Master, serving cell base station, anchor cell base station, UE, to realize: the small cell shown in Fig. 1-1,1-2 under framework finds.

Technical scheme of the present invention is achieved in that

A kind of small-cell discover method, the method is applied in the Long Term Evolution LTE or LTE-A network of interface that centralized control unit Master possesses anchor cell base station, Yu Mao community and common community normal cell base station communication, wherein normal cell is small cell, and the method comprises:

Master sends the adjacent area discovery signals configuration information of this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: serving cell base station sends described adjacent area discovery signals configuration information to the user equipment (UE) of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, described serving cell is anchor cell or normal cell, described adjacent area is normal cell,

When the set of Master receives that UE finds adjacent area, from this adjacent area set, select one or more small cell, for this UE activates selected small cell.

Described Master selects one or more small cell to comprise from this adjacent area set:

The adjacent area set that Master finds from UE, select at random one or more small cell;

Or comprise: the adjacent area set that Master finds according to UE, each neighbor base station triggering in this adjacent area set reports the reference signal for measuring reference signals received power RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

A small-cell discover method, the method is applied to centralized control unit Master to be possessed in the LTE or LTE-A network with the interface of anchorcell base station and normal cell base station communication, and wherein normal cell is small cell, and the method comprises:

The adjacent area discovery signals configuration information of this serving cell that serving cell base station reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, the UE serving to self sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and to serving cell base station, report the adjacent area of self finding to gather, described serving cell is anchor cell or normal cell, described adjacent area is normal cell,

The adjacent area set that this UE that serving cell base station reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, for this UE activates selected small cell.

The UE that described serving cell base station is served to self sends described adjacent area discovery signals configuration information and is:

When serving cell base station receives the adjacent area discovery signals configuring request that the UE of self service sends, or while finding to provide the configuration information of adjacent area discovery signals to the UE of self service, to described UE, send described adjacent area discovery signals configuration information.

Described serving cell base station further comprises after the UE of self service sends described adjacent area discovery signals configuration information, before receiving the adjacent area set that this UE that UE reports finds:

Serving cell base station receives the adjacent area set that described UE sends and reports request, returns to adjacent area set report signaling for approval to described UE;

Or comprise: serving cell base station initiatively sends adjacent area set to described UE and reports order.

Described serving cell base station initiatively sends adjacent area set to described UE and reports order to be:

When serving cell base station finds that the load of self exceeds predetermined threshold value, in the UE of self service, select one or morely, to selected UE, send adjacent area set and report order.

A small-cell discover method, the method is applied to centralized control unit Master to be possessed in the LTE or LTE-A network with the interface of anchor cell base station and normal cell base station communication, and wherein normal cell is small cell, and the method comprises:

UE receives the adjacent area discovery signals configuration information of this serving cell sending serving cell base station, the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, so that: the adjacent area set that UE is found in serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, for this UE activates selected small cell, described serving cell is anchor cell or normal cell, described adjacent area is normal cell,

Wherein, the adjacent area discovery signals configuration information of this serving cell that send the serving cell base station that UE receives is: Master sends to serving cell base station.

The adjacent area discovery signals configuration information that described UE receives this serving cell sending serving cell base station further comprises before:

UE is to transmission adjacent area, serving cell base station discovery signals configuring request.

After the adjacent area set that described UE minute book UE finds, report the adjacent area set of self finding to serving cell base station before, further comprise:

UE reports request to the set of transmission adjacent area, serving cell base station, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval;

Or comprise: UE receives the adjacent area set of sending serving cell base station and reports order.

A kind of small-cell discover method, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, and the method comprises:

Master sends the adjacent area discovery signals configuration information of this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, described adjacent area is normal cell,

When the set of Master receives that UE finds adjacent area, from this adjacent area set, select one or more small cell, to send to serving cell base station for the selected small cell of this UE identifies, so that: serving cell base station is selected small cell for this UE activates.

Or comprise: the adjacent area set that Master finds according to UE, each neighbor base station triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

The adjacent area discovery signals configuration information of this serving cell that serving cell base station reception Master sends, the sub-frame offset of the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and discovery signals, the UE serving to self sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and to serving cell base station, reporting the adjacent area set of self finding, described adjacent area is normal cell;

The adjacent area set that this UE that serving cell base station reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to serving cell base station;

Serving cell base station receives the small cell sign for described UE selection that Master sends, for this UE activates selected small cell.

When serving cell base station receives the adjacent area discovery signals configuring request that the UE of self service sends, or while finding to provide to the UE of self service the configuration information of adjacent area discovery signals of this serving cell, to described UE, send described adjacent area discovery signals configuration information.

UE receives the adjacent area discovery signals configuration information of this serving cell sending serving cell base station, the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, so that: the adjacent area set that UE is found in serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to serving cell base station, serving cell base station is selected small cell for this UE activates, described adjacent area is normal cell,

A kind of small-cell discover method, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, and the method comprises:

Master sends the adjacent area discovery signals configuration information of this serving cell to the anchor cell base station of serving cell, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: Jiang Gai adjacent area, anchor cell base station discovery signals configuration information is transmitted to this serving cell base station, this serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of described serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that UE is found in anchor cell base station is transmitted to Master, described adjacent area is normal cell,

When the set of Master receives that UE finds adjacent area, from this adjacent area set, select one or more small cell, to send to anchor cell base station for the selected small cell of this UE identifies, so that: anchor cell base station is selected small cell for this UE activates.

Or comprise: the adjacent area set that Master finds according to UE, each neighbor base station triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception anchor cell base station records, according to each RSRP, for UE selects one or more small cell

The RSRP of the reference signal of each adjacent area that the UE that wherein, anchor cell sends base station records is: serving cell issues base station anchor cell base station.

Serving cell base station receives the adjacent area discovery signals configuration information of this serving cell sending anchor cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, the UE serving to self sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and to serving cell base station, report the adjacent area of self finding to gather, wherein, the adjacent area discovery signals configuration information of this serving cell that anchor cell sends base station is: Master issues anchor cell base station, described adjacent area is normal cell,

The adjacent area set that this UE that serving cell base station reception UE reports finds, this adjacent area set is transmitted to anchor cell base station, so that: the set of Jiang Gai adjacent area, anchor cell base station sends to Master, the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station, and anchor cell base station is selected small cell for this UE activates.

The adjacent area discovery signals configuration information of the serving cell of this anchor cell service that anchor cell base station reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, this adjacent area discovery signals configuration information is transmitted to this serving cell base station, so that: this serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that this UE is found in serving cell base station is transmitted to anchor cell base station, described adjacent area is normal cell,

Anchor cell base station receives the adjacent area set of the UE discovery of sending serving cell base station, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station;

Anchor cell base station receives the small cell sign for this UE selection that Master sends, for this UE activates selected small cell.

UE receives the adjacent area discovery signals configuration information of this serving cell sending serving cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of described serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, so that: the adjacent area set that UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that this UE is found in anchor cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to anchor cell base station, anchor cell base station is selected small cell for this UE activates, described adjacent area is normal cell,

Wherein, the adjacent area discovery signals configuration information of this serving cell that send the serving cell base station that UE receives is: Master sends to serving cell base station by anchor cell base station.

A centralized control unit Master, this Master is arranged in this Mater and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, and wherein normal cell is small cell, and this Master comprises:

Adjacent area discovery signals configuration sending module: the adjacent area discovery signals configuration information that sends this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, described serving cell is anchor cell or normal cell, described adjacent area is normal cell,

Small cell selects active module: when receive that the UE that sends serving cell base station finds adjacent area set time, from this adjacent area set, select one or more small cell, for this UE activates selected small cell.

Described small cell selects active module to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE;

Or be further used for, when receive that the UE that sends serving cell base station finds adjacent area set time, each adjacent area of triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

A kind of serving cell base station, be arranged in centralized control unit Master and possess LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, and this serving cell base station comprises:

Adjacent area discovery signals configuration provides module: the adjacent area discovery signals configuration information of this serving cell that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, the UE serving to self sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and the adjacent area set that reports this UE to find to this serving cell base station, described serving cell is anchor cell or normal cell, described adjacent area is normal cell,

Adjacent area set receives forwarding module: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, for this UE activates selected small cell.

The discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or find that this serving cell base station need to when the configuration information of adjacent area discovery signals is provided, carry out the described action that sends described adjacent area discovery signals configuration information to described UE to the UE of self service.

The set of described adjacent area receives forwarding module and is further used for, and receives the adjacent area set that described UE sends and reports request, returns to adjacent area set report signaling for approval to described UE;

Or be further used for, initiatively to described UE, send adjacent area set and report order.

The set of described adjacent area receives forwarding module and is further used for, and when finding that the load of this serving cell exceeds predetermined threshold value, selects one or morely in the UE of this serving cell service, sends the set of described adjacent area report order to selected UE.

A UE, is arranged in centralized control unit Master and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, and wherein normal cell is small cell, and this UE comprises:

Adjacent area discovery signals configuration receiver module: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master sends to serving cell base station, described serving cell is anchor cell or normal cell, and described adjacent area is normal cell;

Reporting module is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module record, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to this serving cell base station, so that: the adjacent area set that this UE is found in this serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, for this UE activates selected small cell.

Described adjacent area discovery signals configuration receiver module is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

The set of described adjacent area is measured reporting module and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval;

Or be further used for, receive the adjacent area set of sending serving cell base station and report order.

A kind of Master, this Master is positioned at this Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, and this Master comprises:

Adjacent area discovery signals configuration sending module: the adjacent area discovery signals configuration information that sends this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, described adjacent area is normal cell,

Small cell selects module: when receive that the UE that sends serving cell base station finds adjacent area set time, from this adjacent area set, select one or more small cell, to send to serving cell base station for the selected small cell of this UE identifies, so that: serving cell base station is selected small cell for this UE activates.

Described small cell selects module to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE;

Or be further used for, when receive that the UE that sends serving cell base station finds adjacent area set time, each neighbor base station triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

A kind of serving cell base station, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and this serving cell is anchor cell, this serving cell base station comprises:

Adjacent area discovery signals configuration provides module: the adjacent area discovery signals configuration information of this serving cell that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, UE to this serving cell service sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and to this serving cell base station, report the adjacent area of self finding to gather, described adjacent area is normal cell,

Adjacent area set receives forwarding module: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to this serving cell base station;

Small cell active module: receive the small cell sign for described UE selection that Master sends, for this UE activates selected small cell.

The discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide to the UE of this serving cell service the configuration information of adjacent area discovery signals of this serving cell, carry out the described action that sends described adjacent area discovery signals configuration information to described UE.

A kind of UE, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, and this UE comprises:

Adjacent area discovery signals configuration receiver module: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master sends to serving cell base station, and described adjacent area is normal cell;

Reporting module is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module record, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to this serving cell base station, so that: the adjacent area set that this UE is found in this serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to serving cell base station, serving cell base station is selected small cell for this UE activates.

A kind of centralized control unit Master, this Master possesses the interface with anchor cell base station communication, but does not possess the interface with normal cell base station communication, and wherein normal cell is small cell, and serving cell is normal cell, and this Master comprises:

Adjacent area discovery signals configuration sending module: the adjacent area discovery signals configuration information that sends this serving cell to the anchor cell base station of serving cell, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: Jiang Gai adjacent area, anchor cell base station discovery signals configuration information is transmitted to this serving cell base station, this serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of described serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to serving cell base station, the adjacent area set that UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that UE is found in anchor cell base station is transmitted to Master, described adjacent area is normal cell,

Small cell selects module: receive the adjacent area set of the UE discovery of sending anchor cell base station, from this adjacent area set, select one or more small cell, to send to anchor cell base station for the selected small cell of this UE identifies, so that: anchor cell base station is selected small cell for this UE activates.

Or be further used for, when receive that the UE that sends anchor cell base station finds adjacent area set time, each adjacent area of triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception anchor cell base station records, according to each RSRP, for UE selects one or more small cell, the RSRP of the reference signal of each adjacent area that the UE that wherein, anchor cell sends base station records is: serving cell issues base station anchor cell base station.

A kind of serving cell base station, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, this serving cell base station comprises:

Adjacent area discovery signals configuration provides module: the adjacent area discovery signals configuration information that receives this serving cell sending anchor cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, UE to this serving cell service sends described adjacent area discovery signals configuration information, so that: UE is according to described adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and to this serving cell base station, report the adjacent area of self finding to gather, wherein, the adjacent area discovery signals configuration information of this serving cell that anchor cell sends base station is that Master issues anchor cell base station, described adjacent area is normal cell,

Adjacent area set receives forwarding module: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to anchor cell base station, so that: the set of Jiang Gai adjacent area, anchor cell base station sends to Master, the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station, and anchor cell base station is selected small cell for this UE activates.

The discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide the configuration information of adjacent area discovery signals to the UE of this serving cell service, carry out the described action that sends described adjacent area discovery signals configuration information to described UE.

A kind of anchor cell base station, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, this anchor cell base station comprises:

Adjacent area discovery signals configuration forwarding module: the adjacent area discovery signals configuration information of the serving cell of this anchor cell service that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, this adjacent area discovery signals configuration information is transmitted to this serving cell base station, so that: this serving cell base station sends described adjacent area discovery signals configuration information to the UE of self service, UE is according to described adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and the adjacent area set that reports this UE to find to serving cell base station, the adjacent area set that this UE is found in serving cell base station is transmitted to anchor cell base station, described adjacent area is normal cell,

Adjacent area set forwarding module: receive the adjacent area set of the UE discovery of sending serving cell base station, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station;

Small cell active module: receive the small cell sign for this UE selection that Master sends, for this UE activates selected small cell.

A kind of UE, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, and this UE comprises:

Adjacent area discovery signals configuration receiver module: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master passes through anchor cell base station and sends to serving cell base station, and described adjacent area is normal cell;

Reporting module is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module record, measure the discovery signals of each adjacent area in the Neighboring Cell List of described serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to serving cell base station, so that: the adjacent area set that this UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that this UE is found in anchor cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to anchor cell base station, anchor cell base station is selected small cell for this UE activates.

Whether compared with prior art, the present invention has realized: small cell shown in Fig. 1-1,1-2 under framework finds, and no matter in network, have macro cell to cover, and all can complete small cell and find.

Accompanying drawing explanation

Fig. 1-1 is LTE or LTE-A network architecture schematic diagram one;

Fig. 1-2 is LTE or LTE-A network architecture schematic diagram two;

Fig. 2 finds the method flow diagram of small cell for what the embodiment of the present invention one provided under framework shown in Fig. 1-1;

Fig. 3 finds the method flow diagram of small cell for what the embodiment of the present invention two provided under framework shown in Fig. 1-1;

Fig. 4 finds the method flow diagram of small cell for what the embodiment of the present invention three provided under framework shown in Fig. 1-2;

Fig. 5 finds the method flow diagram of small cell for what the embodiment of the present invention four provided under framework shown in Fig. 1-2;

Fig. 6 finds the method flow diagram of small cell for what the embodiment of the present invention five provided under framework shown in Fig. 1-2;

Fig. 7 finds the method flow diagram of small cell for what the embodiment of the present invention six provided under framework shown in Fig. 1-2;

The composition schematic diagram of the LTE Master that Fig. 8 provides for the embodiment of the present invention one;

The composition schematic diagram of the LTE serving cell base station that Fig. 9 provides for the embodiment of the present invention one;

The composition schematic diagram of the LTE UE that Figure 10 provides for the embodiment of the present invention one;

The composition schematic diagram of the LTE Master that Figure 11 provides for the embodiment of the present invention two;

The composition schematic diagram of the LTE serving cell base station that Figure 12 provides for the embodiment of the present invention two;

The composition schematic diagram of the LTE UE that Figure 13 provides for the embodiment of the present invention two;

The composition schematic diagram of the LTE Master that Figure 14 provides for the embodiment of the present invention three;

The composition schematic diagram of the LTE serving cell base station that Figure 15 provides for the embodiment of the present invention three;

The composition schematic diagram of the LTE anchor cell base station that Figure 16 provides for the embodiment of the present invention three;

The composition schematic diagram of the LTE UE that Figure 17 provides for the embodiment of the present invention three.

Embodiment

Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.

Below respectively for framework shown in Fig. 1-1, Fig. 1-2, the Small cell that providing the embodiment of the present invention provides finds flow process.

Fig. 2～3 illustrated embodiment for be framework shown in Fig. 1-1, Fig. 4～7 illustrated embodiment for be framework shown in Fig. 1-2.

The adjacent area that the embodiment of the present invention is mentioned refers to adjacent small cell, is normal cell in framework shown in Fig. 1-1,1-2.

The method flow diagram of the discovery small cell that Fig. 2 provides for the embodiment of the present invention one, this embodiment for be framework shown in Fig. 1-1, wherein, serving cell can be anchor cell, also can be normal cell, as shown in Figure 2, its concrete steps be as follows:

Step 201: centralized control unit (Master) lookup service community (serving cell) is correctly configured to after network, to transmission adjacent area, serving cell base station (neighbor cell) discovery signals configuration signal, in this signaling, comprise the sub-frame offset of the Neighboring Cell List of serving cell, the cycle of discovery signals and discovery signals etc.

Step 202: when serving cell base station receives the subscriber equipment (UE self serving, User Equipment) the adjacent area discovery signals configuring request signaling of sending, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

When UE finds service quality variation that current place small cell provides for this UE, can be to transmission adjacent area, serving cell base station discovery signals configuring request signaling; Or, when service quality variation that the current place of UE small cell provides for this UE is found in serving cell base station, can initiatively to UE, send adjacent area discovery signals configuration signaling is provided.

Step 203: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

When UE determines that will carry out small cell switching waits, can measure the discovery signals of each adjacent area of serving cell.

Step 204: when arbitrary UE will report to serving cell base station the adjacent area of self finding to gather, to the set of transmission adjacent area, serving cell base station, report demand signalling, when receiving the adjacent area set of returning serving cell base station and report signaling for approval, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Step 205:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Step 206: for arbitrary UE, Master, according to preset strategy, the adjacent area set of finding, selects one or more small cell, for this UE activates selected small cell from this UE.

In this step, preset strategy can be one of following strategy:

The adjacent area set that strategy one, Master find from UE, select at random one or more small cell.

Strategy two, specifically comprise the steps:

01) the adjacent area set that Master finds according to UE, triggering each neighbor base station reports for measuring reference signals received power (RSRP, Reference Signal Receiving Power) channel condition information-reference signal (CSI-RS, Channel State Information-Reference Signal) or the specific reference signal in community (CRS, Cell-Specified Reference Signal) or simplify CRS etc.

02) UE measures CSI-RS or the CRS sending each adjacent area or the RSRP that simplifies CRS, and this RSRP is reported to Serving cell base station.

03) RSRP for each adjacent area that Serving cell base station reports UE reports Master.

04) RSRP for each adjacent area that Master reports according to UE, for UE selects one or more small cell.

Particularly, the RSRP for each adjacent area that Master reports UE sorts, and selecting the highest one or more small cell of RSRP is that UE activates.

The method flow diagram of the discovery small cell that Fig. 3 provides for the embodiment of the present invention two, this embodiment for be framework shown in Fig. 1-1, wherein, serving cell can be anchor cell, also can be normal cell, as shown in Figure 3, its concrete steps be as follows:

Step 301:Master finds that serving cell is correctly configured to after network, to transmission adjacent area, serving cell base station discovery signals configuration signal, in this signaling, comprise the sub-frame offset of the Neighboring Cell List of serving cell, the cycle of discovery signals and discovery signals etc.

Step 302: when serving cell base station receives the adjacent area discovery signals configuring request signaling sent of UE of self service, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

Step 303: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

Visible, step 301～303 are identical with step 201～203.

Step 304:serving cell base station is according to situations such as self loads, triggers to one or more UE of self service, to send adjacent area set and report order.

When serving cell base station discovery self load is overweight, can trigger the UE reporting neighboring cell set of self serving.

Step 305: arbitrary UE receives the set of this adjacent area and reports order, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Step 306:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Step 307: for arbitrary UE, Master, according to preset strategy, the adjacent area set of finding, selects one or more small cell, for this UE activates selected small cell from this UE.

" preset strategy " in this step is identical with step 206.

Visible, step 306～307 are identical with step 205～206.

The method flow diagram of the discovery small cell that Fig. 4 provides for the embodiment of the present invention three, this embodiment for be framework shown in Fig. 1-2, wherein, serving cell is anchor cell, as shown in Figure 4, its concrete steps are as follows:

Step 401:Master finds that serving cell is correctly configured to after network, to transmission adjacent area, serving cell base station discovery signals configuration signal, in this signaling, comprise the sub-frame offset of the Neighboring Cell List of serving cell, the cycle of discovery signals and discovery signals etc.

Step 402: when serving cell base station receives the adjacent area discovery signals configuring request signaling sent of UE of self service, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

Step 403: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

Step 404: when arbitrary UE will report to serving cell base station the adjacent area of self finding to gather, to the set of transmission adjacent area, serving cell base station, report demand signalling, when receiving the adjacent area set of returning serving cell base station and report signaling for approval, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Step 405:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Visible, step 401～405 are identical with step 201～205.

Step 406: for arbitrary UE, Master is according to preset strategy, the adjacent area set of finding from this UE, select one or more small cell that UE activates that are prepared as, selected small cell sign and UE sign are carried to activate in small cell notice signaling send to serving cell base station.

" preset strategy " in this step is identical with step 206.

Step 407:serving cell base station receives this activation small cell notice signaling, according to the small cell sign in this signaling and UE sign, for this UE activates small cell.

The method flow diagram of the discovery small cell that Fig. 5 provides for the embodiment of the present invention four, this embodiment for be framework shown in Fig. 1-2, wherein, serving cell is normal cell, as shown in Figure 5, its concrete steps are as follows:

Step 501:Master finds that serving cell is correctly configured to after network, transmission adjacent area, anchor cell base station discovery signals configuration signal to this serving cell, comprises the sub-frame offset of the Neighboring Cell List of this serving cell, the cycle of discovery signals and discovery signals etc. in this signaling.

Step 502:anchor cell base station receives this adjacent area discovery signals configuration signal, and this signaling is transmitted to this serving cell base station.

Step 503: when serving cell base station receives the adjacent area discovery signals configuring request signaling sent of UE of self service, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

Step 504: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

Step 505: when arbitrary UE will report to serving cell base station the adjacent area of self finding to gather, to the set of transmission adjacent area, serving cell base station, report demand signalling, when receiving the adjacent area set of returning serving cell base station and report signaling for approval, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Step 506:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, this signaling is transmitted to the anchor cell base station of self.

Step 507:anchor cell base station receives this adjacent area set and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Step 508: for arbitrary UE, Master is according to preset strategy, the adjacent area set of finding from this UE, select one or more small cell that UE activates that are prepared as, selected small cell sign and UE sign are carried to activate in small cell notice signaling send to anchor cell base station.

" preset strategy " in this step is identical with step 206.

Step 509:anchor cell base station receives this activation small cell notice signaling, according to the small cell sign in this signaling and UE sign, for this UE activates small cell.

The method flow diagram of the discovery small cell that Fig. 6 provides for the embodiment of the present invention five, this embodiment for be framework shown in Fig. 1-2, wherein, serving cell is anchor cell, as shown in Figure 6, its concrete steps are as follows:

Step 601:Master finds that serving cell is correctly configured to after network, to transmission adjacent area, serving cell base station discovery signals configuration signal, in this signaling, comprise the sub-frame offset of the Neighboring Cell List of serving cell, the cycle of discovery signals and discovery signals etc.

Step 602: when serving cell base station receives the subscriber equipment (UE self serving, User Equipment) the adjacent area discovery signals configuring request signaling of sending, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

Step 603: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

Step 604:serving cell base station is according to situations such as self loads, triggers to one or more UE of self service, to send adjacent area set and report order.

Step 605: arbitrary UE receives the set of this adjacent area and reports order, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Step 606:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Visible, step 601～606 are identical with step 301～306.

Step 607: for arbitrary UE, Master is according to preset strategy, the adjacent area set of finding from this UE, select one or more small cell that UE activates that are prepared as, selected small cell sign and UE sign are carried to activate in small cell notice signaling send to serving cell base station.

" preset strategy " in this step is identical with step 206.

Step 608:serving cell base station receives this activation small cell notice signaling, according to the small cell sign in this signaling and UE sign, for this UE activates small cell.

Visible, step 607～608 are identical with step 406～407.

The method flow diagram of the discovery small cell that Fig. 7 provides for the embodiment of the present invention six, this embodiment for be framework shown in Fig. 1-2, wherein, serving cell is normal cell, as shown in Figure 7, its concrete steps are as follows:

Step 701:Master finds that serving cell is correctly configured to after network, transmission adjacent area, anchor cell base station discovery signals configuration signal to this serving cell, comprises the sub-frame offset of the Neighboring Cell List of this serving cell, the cycle of discovery signals and discovery signals etc. in this signaling.

Step 702:anchor cell base station receives this adjacent area discovery signals configuration signal, and this signaling is transmitted to this serving cell base station.

Step 703: when serving cell base station receives the adjacent area discovery signals configuring request signaling sent of UE of self service, or when serving cell base station finds that the UE that need to serve to self provides the configuration information of adjacent area discovery signals, the UE serving to self sends adjacent area discovery signals configuration signaling, the sub-frame offset of the Neighboring Cell List that this signaling comprises this serving cell, the cycle of discovery signals and discovery signals etc. is provided.

Step 704: when arbitrary UE receives discovery signals configuration of this adjacent area signaling is provided, record the Neighboring Cell List of serving cell in this signaling, the sub-frame offset of the cycle of discovery signals and discovery signals etc., when needs are measured adjacent area discovery signals, according to record the Neighboring Cell List of serving cell, the sub-frame offset of the cycle of discovery signals and discovery signals etc., measure the discovery signals of each adjacent area of this serving cell, the adjacent area set that minute book UE finds.

Visible, step 701～704 are identical with step 501～504.

Step 705:serving cell base station is according to situations such as self loads, triggers to one or more UE of self service, to send adjacent area set and report order.

Step 706: arbitrary UE receives the set of this adjacent area and reports order, the adjacent area set that self is found is carried at adjacent area set and reports and in signaling, send to serving cell base station.

Visible, step 705～706 are identical with step 604～605.

Step 707:serving cell base station receives the adjacent area set that arbitrary UE sends and reports signaling, this signaling is transmitted to the anchor cell base station of self.

Step 708:anchor cell base station receives this adjacent area set and reports signaling, and this signaling is transmitted to Master, and Master receives this signaling, records the adjacent area set that this UE finds.

So far, small cell discovery procedure completes.

Step 709: for arbitrary UE, Master is according to preset strategy, the adjacent area set of finding from this UE, select one or more small cell that UE activates that are prepared as, selected small cell sign and UE sign are carried to activate in small cell notice signaling send to anchor cell base station.

" preset strategy " in this step is identical with step 206.

Step 710:anchor cell base station receives this activation small cell notice signaling, according to the small cell sign in this signaling and UE sign, for this UE activates small cell.

Visible, step 707～710 are identical with step 506～509.

From Fig. 2～7 illustrated embodiment, can find out, to be UE initiatively trigger for self suffered service scenario etc. the flow process that starts the own discovery of incision adjacent area for Fig. 2,4,5 illustrated embodiments, Fig. 3,6,7 illustrated embodiments are when there is the situations such as offered load is overweight, and network side triggers UE and starts the flow process that its adjacent area is found in incision.

The composition schematic diagram of the Master that Fig. 8 provides for the embodiment of the present invention one, this Master is arranged in Master and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, as shown in Figure 8, this Master mainly comprises: adjacent area discovery signals configuration sending module 81 and small cell select active module 82, wherein:

Adjacent area discovery signals configuration sending module 81: the adjacent area discovery signals configuration information that sends this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals etc., so that: serving cell base station sends this adjacent area discovery signals configuration information to the UE of self service, UE is according to this adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, wherein serving cell is anchor cell or normal cell, adjacent area is normal cell.

Small cell selects active module 82: when receive that the UE that sends serving cell base station finds adjacent area set time, from this adjacent area set, select one or more small cell, for this UE activates selected small cell.

In actual applications, small cell selects active module 82 when selecting small cell, the adjacent area set of finding, selects at random one or more small cell from UE; Or each adjacent area of triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

The composition schematic diagram of the serving cell base station that Fig. 9 provides for the embodiment of the present invention one, this serving cell base station is arranged in Master and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, as shown in Figure 9, this serving cell base station comprises: discovery signals configuration in adjacent area provides module 91 and adjacent area set to receive forwarding module 92, wherein:

Adjacent area discovery signals configuration provides module 91: the adjacent area discovery signals configuration information of this serving cell that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, the UE serving to self sends this adjacent area discovery signals configuration information, so that: UE is according to this adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and the adjacent area set that reports this UE to find to this serving cell base station, wherein serving cell is anchor cell or normal cell, adjacent area is normal cell.

Adjacent area set receives forwarding module 92: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, for this UE activates selected small cell.

In actual applications, adjacent area discovery signals configuration provides module 91 to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or find that this serving cell base station need to when the configuration information of adjacent area discovery signals is provided, carry out the action that sends adjacent area discovery signals configuration information to UE to the UE of self service.

In actual applications, adjacent area set receives forwarding module 92 and is further used for, and the adjacent area set that reception UE sends reports request, returns to adjacent area set report signaling for approval to UE; Or, initiatively to UE, send adjacent area set and report order.

Adjacent area set receives forwarding module 92 and also can be further used for, and when finding that the load of this serving cell exceeds predetermined threshold value, selects one or morely in the UE of this serving cell service, sends adjacent area set report order to selected UE.

The composition schematic diagram of the UE that Figure 10 provides for the embodiment of the present invention one, this UE is arranged in Master and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, as shown in figure 10, this UE comprises: reporting module 102 is measured in adjacent area discovery signals configuration receiver module 101 and adjacent area set, wherein:

Adjacent area discovery signals configuration receiver module 101: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master sends to serving cell base station, wherein serving cell is anchor cell or normal cell, and adjacent area is normal cell.

Reporting module 102 is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module 101 records, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to this serving cell base station, so that: the adjacent area set that this UE is found in this serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, for this UE activates selected small cell.

In actual applications, adjacent area discovery signals configuration receiver module 101 is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

In actual applications, adjacent area set is measured reporting module 102 and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval; Or, receive the adjacent area set of sending serving cell base station and report order.

The composition schematic diagram of the Master that Figure 11 provides for the embodiment of the present invention two, this Master is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, as shown in figure 11, this Master comprises: adjacent area discovery signals configuration sending module 111 and small cell select module 112, wherein:

Adjacent area discovery signals configuration sending module 111: the adjacent area discovery signals configuration information that sends this serving cell to serving cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: serving cell base station sends this adjacent area discovery signals configuration information to the UE of self service, UE is according to this adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and to serving cell base station, report the adjacent area of self finding to gather, the adjacent area set that UE is found in serving cell base station is transmitted to Master, wherein adjacent area is normal cell.

Small cell selects module 112: when receive that the UE that sends serving cell base station finds adjacent area set time, from this adjacent area set, select one or more small cell, to send to serving cell base station for the selected small cell of this UE identifies, so that: serving cell base station is selected small cell for this UE activates.

In actual applications, small cell selects module 112 to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE; Or, when receive that the UE that sends serving cell base station finds adjacent area set time, each adjacent area of triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception serving cell base station records, according to each RSRP, for UE selects one or more small cell.

The composition schematic diagram of the serving cell base station that Figure 12 provides for the embodiment of the present invention two, this serving cell base station is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and this serving cell is anchor cell, as shown in figure 12, this serving cell base station comprises: discovery signals configuration in adjacent area provides module 121, adjacent area set receives forwarding module 122 and small cell active module 123, wherein:

Adjacent area discovery signals configuration provides module 121: the adjacent area discovery signals configuration information of this serving cell that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, UE to this serving cell service sends this adjacent area discovery signals configuration information, so that: UE is according to this adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and to this serving cell base station, report the adjacent area of self finding to gather, wherein adjacent area is normal cell.

Adjacent area set receives forwarding module 122: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to this serving cell base station.

Small cell active module 123: receive the small cell sign for UE selection that Master sends, for this UE activates selected small cell.

In actual applications, adjacent area discovery signals configuration provides module 121 to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide to the UE of this serving cell service the configuration information of adjacent area discovery signals of this serving cell, carry out the action that sends adjacent area discovery signals configuration information to UE.

In actual applications, adjacent area set receives forwarding module 122 and is further used for, and the adjacent area set that reception UE sends reports request, returns to adjacent area set report signaling for approval to UE; Or, initiatively to UE, send adjacent area set and report order.

In actual applications, adjacent area set receives forwarding module 122 and also can be further used for, when finding that the load of this serving cell exceeds predetermined threshold value, in the UE of this serving cell service, select one or morely, to selected UE, send adjacent area set and report order.

The composition schematic diagram of the UE that Figure 13 provides for the embodiment of the present invention two, this UE is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, as shown in figure 13, this UE comprises: reporting module 132 is measured in adjacent area discovery signals configuration receiver module 131 and adjacent area set, wherein:

Adjacent area discovery signals configuration receiver module 131: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master sends to serving cell base station, and wherein adjacent area is normal cell.

Reporting module 132 is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module 131 records, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to this serving cell base station, so that: the adjacent area set that this UE is found in this serving cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to serving cell base station, serving cell base station is selected small cell for this UE activates.

In actual applications, adjacent area discovery signals configuration receiver module 131 is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

In actual applications, adjacent area set is measured reporting module 132 and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval; Or, receive the adjacent area set of sending serving cell base station and report order.

The composition schematic diagram of the Master that Figure 14 provides for the embodiment of the present invention three, this Master is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, as shown in figure 14, this Master comprises: adjacent area discovery signals configuration sending module 141, small cell select module 142, wherein:

Adjacent area discovery signals configuration sending module 141: the adjacent area discovery signals configuration information that sends this serving cell to the anchor cell base station of serving cell, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, so that: Jiang Gai adjacent area, anchor cell base station discovery signals configuration information is transmitted to this serving cell base station, this serving cell base station sends this adjacent area discovery signals configuration information to the UE of self service, UE is according to this adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to serving cell base station, the adjacent area set that UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that UE is found in anchor cell base station is transmitted to Master, wherein adjacent area is normal cell.

Small cell selects module 142: receive the adjacent area set of the UE discovery of sending anchor cell base station, from this adjacent area set, select one or more small cell, to send to anchor cell base station for the selected small cell of this UE identifies, so that: anchor cell base station is selected small cell for this UE activates.

In actual applications, small cell selects module 142 to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE; Or, when receive that the UE that sends anchor cell base station finds adjacent area set time, each adjacent area of triggering in this adjacent area set reports for measuring the reference signal of RSRP, the RSRP of the reference signal of each adjacent area that the UE that send reception anchor cell base station records, according to each RSRP, for UE selects one or more small cell, wherein, the RSRP of the reference signal of each adjacent area that the UE that anchor cell sends base station records is: serving cell issues base station anchor cell base station.

The composition schematic diagram of the serving cell base station that Figure 15 provides for the embodiment of the present invention three, this serving cell base station is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, as shown in figure 15, this serving cell base station comprises: discovery signals configuration in adjacent area provides module 151 and adjacent area set to receive forwarding module 152, wherein:

Adjacent area discovery signals configuration provides module 151: the adjacent area discovery signals configuration information that receives this serving cell sending anchor cell base station, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, UE to this serving cell service sends this adjacent area discovery signals configuration information, so that: UE is according to this adjacent area discovery signals configuration information, measure the discovery signals of each adjacent area in the Neighboring Cell List of this serving cell, and to this serving cell base station, report the adjacent area of self finding to gather, wherein, the adjacent area discovery signals configuration information of this serving cell that anchor cell sends base station is that Master issues anchor cell base station, wherein adjacent area is normal cell.

Adjacent area set receives forwarding module 152: the adjacent area set that this UE that reception UE reports finds, this adjacent area set is transmitted to anchor cell base station, so that: the set of Jiang Gai adjacent area, anchor cell base station sends to Master, the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station, and anchor cell base station is selected small cell for this UE activates.

In actual applications, adjacent area discovery signals configuration provides module 151 to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide the configuration information of adjacent area discovery signals to the UE of this serving cell service, carry out the action that sends adjacent area discovery signals configuration information to UE.

In actual applications, adjacent area set receives forwarding module 152 and is further used for, and the adjacent area set that reception UE sends reports request, returns to adjacent area set report signaling for approval to UE; Or, initiatively to UE, send adjacent area set and report order.

In actual applications, adjacent area set receives forwarding module 152 and is further used for, when finding that the load of this serving cell exceeds predetermined threshold value, in the UE of this serving cell service, select one or morely, to selected UE, send adjacent area set and report order.

The composition schematic diagram of the anchor cell base station that Figure 16 provides for the embodiment of the present invention three, this anchor cell base station is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, as shown in figure 16, this anchor cell base station comprises: adjacent area discovery signals configuration forwarding module 161, adjacent area set forwarding module 162 and small cell active module 163, wherein:

Adjacent area discovery signals configuration forwarding module 161: the adjacent area discovery signals configuration information of the serving cell of this anchor cell service that reception Master sends, the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and the sub-frame offset of discovery signals, this adjacent area discovery signals configuration information is transmitted to this serving cell base station, so that: this serving cell base station sends this adjacent area discovery signals configuration information to the UE of self service, UE is according to this adjacent area discovery signals configuration information, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, and the adjacent area set that reports this UE to find to serving cell base station, the adjacent area set that this UE is found in serving cell base station is transmitted to anchor cell base station, wherein adjacent area is normal cell.

Adjacent area set forwarding module 162: receive the adjacent area set of the UE discovery of sending serving cell base station, this adjacent area set is transmitted to Master, so that: the adjacent area set that Master finds from UE, select one or more small cell, the small cell sign of selecting for this UE is sent to anchor cell base station.

Small cell active module 163: receive the small cell sign for this UE selection that Master sends, for this UE activates selected small cell.

The composition schematic diagram of the UE that Figure 17 provides for the embodiment of the present invention three, this UE is positioned at Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, as shown in figure 17, this UE comprises: reporting module 172 is measured in adjacent area discovery signals configuration receiver module 171 and adjacent area set, wherein:

Adjacent area discovery signals configuration receiver module 171: the adjacent area discovery signals configuration information that receives and record this serving cell sending serving cell base station, the sub-frame offset of the Neighboring Cell List that this configuration information comprises this serving cell, the cycle of discovery signals and discovery signals, wherein, the adjacent area discovery signals configuration information of this serving cell that serving cell sends base station is that Master passes through anchor cell base station and sends to serving cell base station, and wherein adjacent area is normal cell.

Reporting module 172 is measured in adjacent area set: according to the adjacent area discovery signals configuration information of the serving cell of adjacent area discovery signals configuration receiver module 171 records, the discovery signals of each adjacent area in the Neighboring Cell List of measurement serving cell, the adjacent area set that minute book UE finds, and the adjacent area set that reports this UE to find to serving cell base station, so that: the adjacent area set that this UE is found in serving cell base station is transmitted to anchor cell base station, the adjacent area set that this UE is found in anchor cell base station is transmitted to Master, Master selects one or more small cell from this adjacent area set, the small cell sign of selecting for this UE is sent to anchor cell base station, anchor cell base station is selected small cell for this UE activates.

In actual applications, adjacent area discovery signals configuration receiver module 171 is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

In actual applications, adjacent area set is measured reporting module 172 and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval; Or, receive the adjacent area set of sending serving cell base station and report order.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.

Claims

1. a small-cell discover method, the method is applied in the Long Term Evolution LTE or LTE-A network of interface that centralized control unit Master possesses anchor cell base station, Yu Mao community and common community normal cell base station communication, wherein normal cell is small cell, it is characterized in that, the method comprises:

2. method according to claim 1, is characterized in that, described Master selects one or more small cell to comprise from this adjacent area set:

3. a small-cell discover method, the method is applied to centralized control unit Master to be possessed in the LTE or LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, it is characterized in that, the method comprises:

4. method according to claim 3, is characterized in that, the UE that described serving cell base station is served to self sends described adjacent area discovery signals configuration information and is:

5. according to the method described in claim 3 or 4, it is characterized in that, described serving cell base station further comprises after the UE of self service sends described adjacent area discovery signals configuration information, before receiving the adjacent area set that this UE that UE reports finds:

6. method according to claim 5, is characterized in that, described serving cell base station initiatively sends adjacent area set to described UE and reports order to be:

7. a small-cell discover method, the method is applied to centralized control unit Master to be possessed in the LTE or LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, it is characterized in that, the method comprises:

8. method according to claim 7, is characterized in that, the adjacent area discovery signals configuration information that described UE receives this serving cell sending serving cell base station further comprises before:

9. according to the method described in claim 7 or 8, it is characterized in that, after the adjacent area set that described UE minute book UE finds, report the adjacent area set of self finding to serving cell base station before, further comprise:

10. a small-cell discover method, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, it is characterized in that, the method comprises:

11. methods according to claim 10, is characterized in that, described Master selects one or more small cell to comprise from this adjacent area set:

12. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, it is characterized in that, the method comprises:

13. methods according to claim 12, is characterized in that, the UE that described serving cell base station is served to self sends described adjacent area discovery signals configuration information and is:

14. according to the method described in claim 12 or 13, it is characterized in that, described serving cell base station further comprises after the UE of self service sends described adjacent area discovery signals configuration information, before receiving the adjacent area set that this UE that UE reports finds:

15. methods according to claim 14, is characterized in that, described serving cell base station initiatively sends adjacent area set to described UE and reports order to be:

16. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, it is characterized in that, the method comprises:

17. methods according to claim 16, is characterized in that, the adjacent area discovery signals configuration information that described UE receives this serving cell sending serving cell base station further comprises before:

18. according to the method described in claim 16 or 17, it is characterized in that, after the adjacent area set that described UE minute book UE finds, report the adjacent area set of self finding to serving cell base station before, further comprises:

19. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, the method comprises:

20. methods according to claim 19, is characterized in that, described Master selects one or more small cell to comprise from this adjacent area set:

21. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, the method comprises:

22. methods according to claim 21, is characterized in that, the UE that described serving cell base station is served to self sends described adjacent area discovery signals configuration information and is:

23. according to the method described in claim 21 or 22, it is characterized in that, described serving cell base station further comprises after the UE of self service sends described adjacent area discovery signals configuration information, before receiving the adjacent area set that this UE that UE reports finds:

24. methods according to claim 23, is characterized in that, described serving cell base station initiatively sends adjacent area set to described UE and reports order to be:

25. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, the method comprises:

26. 1 kinds of small-cell discover methods, the method is applied to centralized control unit Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, the method comprises:

27. methods according to claim 26, is characterized in that, the adjacent area discovery signals configuration information that described UE receives this serving cell sending serving cell base station further comprises before:

28. according to the method described in claim 26 or 27, it is characterized in that, after the adjacent area set that described UE minute book UE finds, report the adjacent area set of self finding to serving cell base station before, further comprises:

29. 1 kinds of centralized control unit Master, this Master is arranged in this Mater and possesses LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, it is characterized in that, this Master comprises:

30. Master according to claim 29, is characterized in that, described small cell selects active module to be further used for, and the adjacent area set of finding, select at random one or more small cell from UE;

31. 1 kinds of serving cell base stations, be arranged in centralized control unit Master and possess LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, wherein normal cell is small cell, it is characterized in that, this serving cell base station comprises:

32. serving cell according to claim 31 base stations, it is characterized in that, the discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or find that this serving cell base station need to when the configuration information of adjacent area discovery signals is provided, carry out the described action that sends described adjacent area discovery signals configuration information to described UE to the UE of self service.

33. according to the serving cell base station described in claim 31 or 32, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, and receives the adjacent area set that described UE sends and reports request, returns to adjacent area set report signaling for approval to described UE;

34. serving cell according to claim 33 base stations, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, when finding that the load of this serving cell exceeds predetermined threshold value, in the UE of this serving cell service, select one or morely, to selected UE, send the set of described adjacent area and report order.

35. 1 kinds of UE, are arranged in centralized control unit Master and possess LTE or the LTE-A network with the interface of anchor cell base station and normal cell base station communication, and wherein normal cell is small cell, it is characterized in that, this UE comprises:

36. UE according to claim 35, is characterized in that, described adjacent area discovery signals configuration receiver module is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

37. according to the UE described in claim 35 or 36, it is characterized in that, the set of described adjacent area is measured reporting module and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval;

38. 1 kinds of Master, this Master is positioned at this Master and possesses the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, it is characterized in that, this Master comprises:

39. according to the Master described in claim 38, it is characterized in that, described small cell selects module to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE;

40. 1 kinds of serving cell base stations, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and this serving cell is anchor cell, it is characterized in that, this serving cell base station comprises:

41. according to the serving cell base station described in claim 40, it is characterized in that, the discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide to the UE of this serving cell service the configuration information of adjacent area discovery signals of this serving cell, carry out the described action that sends described adjacent area discovery signals configuration information to described UE.

42. according to the serving cell base station described in claim 40 or 41, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, and receives the adjacent area set that described UE sends and reports request, returns to adjacent area set report signaling for approval to described UE;

43. according to the serving cell base station described in claim 42, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, when finding that the load of this serving cell exceeds predetermined threshold value, in the UE of this serving cell service, select one or morely, to selected UE, send the set of described adjacent area and report order.

44. 1 kinds of UE, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is anchor cell, it is characterized in that, this UE comprises:

45. according to the UE described in claim 44, it is characterized in that, described adjacent area discovery signals configuration receiver module is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

46. according to the UE described in claim 44 or 45, it is characterized in that, the set of described adjacent area is measured reporting module and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval;

47. 1 kinds of centralized control unit Master, this Master possesses the interface with anchor cell base station communication, but do not possess the interface with normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, this Master comprises:

48. according to the Master described in claim 47, it is characterized in that, described small cell selects module to be further used for, and the adjacent area set of finding, selects at random one or more small cell from UE;

49. 1 kinds of serving cell base stations, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, this serving cell base station comprises:

50. according to the serving cell base station described in claim 49, it is characterized in that, the discovery signals configuration of described adjacent area provides module to be further used for, when receive that the UE of this serving cell service sends adjacent area discovery signals configuring request time, or while finding to provide the configuration information of adjacent area discovery signals to the UE of this serving cell service, carry out the described action that sends described adjacent area discovery signals configuration information to described UE.

51. according to the serving cell base station described in claim 49 or 50, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, and receives the adjacent area set that described UE sends and reports request, returns to adjacent area set report signaling for approval to described UE;

52. according to the serving cell base station described in claim 51, it is characterized in that, the set of described adjacent area receives forwarding module and is further used for, when finding that the load of this serving cell exceeds predetermined threshold value, in the UE of this serving cell service, select one or morely, to selected UE, send the set of described adjacent area and report order.

53. 1 kinds of anchor cell base stations, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, this anchor cell base station comprises:

54. 1 kinds of UE, be positioned at centralized control unit Master and possess the interface with anchor cell base station communication, but do not possess in the LTE or LTE-A network with the interface of normal cell base station communication, wherein normal cell is small cell, and serving cell is normal cell, it is characterized in that, this UE comprises:

55. according to the UE described in claim 54, it is characterized in that, described adjacent area discovery signals configuration receiver module is further used for, to transmission adjacent area, serving cell base station discovery signals configuring request.

56. according to the UE described in claim 54 or 55, it is characterized in that, the set of described adjacent area is measured reporting module and is further used for, and to the set of transmission adjacent area, serving cell base station, reports request, receives afterwards the adjacent area set of returning serving cell base station and reports signaling for approval;