CN104105159B - Cell finds method and centralized control unit, base station, user equipment - Google Patents

Abstract

The invention discloses cell to find method and centralized control unit.Method includes：In LTE the or LTE A networks for possessing the interface with anchor cell base station and normal cells base station communication applied to centralized control unit；The adjacent area that centralized control unit sends the serving cell to base station in service sector finds signal configuration information, base station in service sector sends adjacent area to the UE of own services and finds signal configuration information, UE has found signal configuration information according to adjacent area, measure the discovery signal of each adjacent area in the Neighboring Cell List of serving cell, the adjacent area set that minute book UE has found, the adjacent area is reported to gather to base station in service sector, the adjacent area set that UE has found is transmitted to centralized control unit by base station in service sector；Centralized control unit selects one or more cells in gathering from the adjacent area, for the selected cell of UE activation.The cell that the present invention is realized under the new LTE or LTE A network architectures is found.

Description

Cell finds method and centralized control unit, base station, user equipment

Technical field

The present invention relates to Long Term Evolution（LTE, Long Term Evolution）Technical field, and in particular to cell is sent out Existing method and centralized control unit.

Background technology

In order to further improve spectrum efficiency or mend blind concurrent heating, industry proposes cell（small cell）Applied field Scape, i.e., in original macrocell（macro cell）Beyond covering, or the covering blind spot in macro cell, increase deployment small cell。

Small cell smaller, it is necessary to dispose a large amount of websites, due to coverage if all of small cell always State all in unlatching is a larger test to the energy consumption of network, especially in the environment of dense deployment.In order to save The purpose of energy, the small cell of some no service users would be at resting state.In order to quickly realize cell find with Activation, introduces discovery signal（DS, Discovery Signal）, using find signal realize dynamic activation have service user Small cell, close for a long time without the small cell of service user, so as to the mesh for reaching network energy-saving, reducing interference 's.

The flat architecture design of current LTE/LTE-A systems, it is unfavorable for coordinating the dynamic of one regional nodes of control State switchs, therefore industry proposes two kinds of new network frameworks, respectively as shown in Fig. 1-1, Fig. 1-2, wherein, Master mono- Individual cluster（cluster）Or the logic centre control unit of cluster subsets, it is not limited to macro cell.In Fig. 1-1, Master possesses and anchor cell（anchor cell）Base station and normal cells（normal cell）The interface of base station communication；Fig. 1- In 2, Master possesses the interface with anchor cell base station communications, but does not possess and connect with normal cell base station communications Mouthful.

There is no detailed technical scheme to describe for the small cell discovery techniques under the new architecture at present.

The content of the invention

The present invention provides small cell and finds method and Master, serving cell base stations, anchor cell bases Stand, UE, to realize：Small cell under framework shown in Fig. 1-1,1-2 have found.

The technical proposal of the invention is realized in this way：

A kind of cell finds method, and this method possesses and anchor cell anchor applied to centralized control unit Master In the Long Term Evolution LTE or LTE-A network of the interface of cell base stations and normal cells normal cell base station communications, wherein Normal cell are small cell, and this method includes：

The adjacent area that Master sends the serving cell to serving cell base stations finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising serving cell, find the cycle of signal and find the sub-frame offset of signal, to cause： Serving cell base stations send the adjacent area to the user equipment (UE) of own services and find signal configuration information, and UE is according to Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book UE It was found that adjacent area set, and to serving cell base stations report itself find adjacent area gather, serving cell base stations will The adjacent area set that UE has found is transmitted to Master, and the serving cell are anchor cell or normal cell, institute It is normal cell to state adjacent area；

When Master receives the adjacent area set of UE discoveries, one or more small are selected in gathering from the adjacent area Cell, for the selected small cell of UE activation.

The Master selects one or more small cell to include in gathering from the adjacent area：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master has found according to UE is gathered, and each neighbor base station triggered in the set of the adjacent area reports For measuring reference signals receiving power RSRP reference signal, receive the UE sent serving cell base stations measure it is each The RSRP of the reference signal of adjacent area, according to each RSRP, one or more small cell are selected for UE.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Standing with the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell are small cell, This method includes：

The adjacent area that serving cell base stations receive this serving cell that Master is sent finds signal configuration information, The configuration information includes the sub-frame offset of this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal, The adjacent area is sent to the UE of own services and finds signal configuration information, to cause：UE has found signal configuration according to the adjacent area Information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, and is reported to serving cell base stations The adjacent area set itself found, the serving cell are anchor cell or normal cell, and the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, institute is activated for the UE The small cell of selection.

The serving cell base stations send the adjacent area to the UE of own services and find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or It was found that when needing the configuration information of the UE offers adjacent area discovery signal to own services, send the adjacent area to the UE and find letter Number configuration information.

After UE transmissions of the serving cell base stations to the own services adjacent area discovery signal configuration information, connect Further comprise before receiving the adjacent area set that the UE that UE is reported has found：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and adjacent area set is returned to the UE Report signaling for approval；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

The serving cell base stations actively send adjacent area set to the UE and report the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, selected in the UE of own services One or more, send adjacent area set to selected UE and report order.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Standing with the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell are small cell, This method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising serving cell, find the cycle of signal and find the sub-frame offset of signal, according to institute State adjacent area and find signal configuration information, measure the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book The adjacent area set that UE has found, and report the adjacent area itself found to gather to serving cell base stations, to cause：serving The adjacent area set that UE has found is transmitted to Master by cell base stations, and Master selects one or more in gathering from the adjacent area Small cell, for UE activation selected small cell, the serving cell be anchor cell or Normal cell, the adjacent area are normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds that signal matches somebody with somebody confidence Cease and be：Master is sent to serving cell base stations.

The adjacent area that the UE receives the serving cell that serving cell base stations are sent finds signal configuration information Further comprise before：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

After the adjacent area set that the UE minute books UE has found, the adjacent area itself found is reported to serving cell base stations Further comprise before set：

UE sends adjacent area set to serving cell base stations and reports request, receives serving cell base stations afterwards Signaling is reported in the adjacent area set of return for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are anchor cell, and this method includes：

The adjacent area that Master sends the serving cell to serving cell base stations finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising the serving cell, find the cycle of signal and find the sub-frame offset of signal, so that ：Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE is according to the adjacent area It was found that signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, minute book UE has found Adjacent area set, and report the adjacent area itself found to gather to serving cell base stations, serving cell base station send out UE Existing adjacent area set is transmitted to Master, and the adjacent area is normal cell；

When Master receives the adjacent area set of UE discoveries, one or more small are selected in gathering from the adjacent area Cell, serving cell base stations will be sent to for the small cell marks selected by the UE, to cause：serving cell Base station is the selected small cell of UE activation.

The Master selects one or more small cell to include in gathering from the adjacent area：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master has found according to UE is gathered, and each neighbor base station triggered in the set of the adjacent area reports For measuring RSRP reference signal, the reference signal for each adjacent area that the UE sent serving cell base stations is measured is received RSRP, according to each RSRP, one or more small cell are selected for UE.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are anchor cell, and this method includes：

The adjacent area that serving cell base stations receive this serving cell that Master is sent finds signal configuration information, The configuration information includes the sub-frame offset of this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal, The adjacent area is sent to the UE of own services and finds signal configuration information, to cause：UE has found signal configuration according to the adjacent area Information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, and is reported to serving cell base stations The adjacent area set itself found, the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be that the UE is selected Small cell mark be sent to serving cell base stations；

Serving cell base stations receive the small cell marks for UE selections that Master is sent, and swash for the UE Selected small cell living.

The serving cell base stations send the adjacent area to the UE of own services and find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or It was found that when needing to provide this serving cell configuration information of adjacent area discovery signal to the UE of own services, sent out to the UE The adjacent area is sent to find signal configuration information.

After UE transmissions of the serving cell base stations to the own services adjacent area discovery signal configuration information, connect Further comprise before receiving the adjacent area set that the UE that UE is reported has found：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and adjacent area set is returned to the UE Report signaling for approval；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

The serving cell base stations actively send adjacent area set to the UE and report the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, selected in the UE of own services One or more, send adjacent area set to selected UE and report order.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are anchor cell, and this method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising serving cell, find the cycle of signal and find the sub-frame offset of signal, according to institute State adjacent area and find signal configuration information, measure the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book The adjacent area set that UE has found, and report the adjacent area itself found to gather to serving cell base stations, to cause：serving The adjacent area set that UE has found is transmitted to Master by cell base stations, and Master selects one or more in gathering from the adjacent area Small cell, the small cell selected for the UE marks are sent to serving cell base stations, serving cell bases Stand and selected small cell are activated for the UE, the adjacent area is normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds that signal matches somebody with somebody confidence Cease and be：Master is sent to serving cell base stations.

The adjacent area that the UE receives the serving cell that serving cell base stations are sent finds signal configuration information Further comprise before：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

After the adjacent area set that the UE minute books UE has found, the adjacent area itself found is reported to serving cell base stations Further comprise before set：

UE sends adjacent area set to serving cell base stations and reports request, receives serving cell base stations afterwards Signaling is reported in the adjacent area set of return for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are normal cell, and this method includes：

The adjacent area that Master sends the serving cell to serving cell anchor cell base stations finds signal Configuration information, the configuration information include the son of the Neighboring Cell List of the serving cell, the cycle of discovery signal and discovery signal Frame shifting amount, to cause：Adjacent area discovery signal configuration information is transmitted to the serving cell bases by anchor cell base stations Stand, the serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE is according to the neighbour Area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book The adjacent area set that UE has found, and report the adjacent area itself found to gather to serving cell base stations, serving cell base stations The adjacent area set that UE is had found is transmitted to anchor cell base stations, and forwarding is gathered in the adjacent area that anchor cell base stations find UE To Master, the adjacent area is normal cell；

When Master receives the adjacent area set of UE discoveries, one or more small are selected in gathering from the adjacent area Cell, anchor cell base stations will be sent to for the small cell marks selected by the UE, to cause：Anchor cell bases Stand as the selected small cell of UE activation.

The Master selects one or more small cell to include in gathering from the adjacent area：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master has found according to UE is gathered, and each neighbor base station triggered in the set of the adjacent area reports For measuring RSRP reference signal, the reference signal for each adjacent area that the UE sent anchor cell base stations is measured is received RSRP, according to each RSRP, one or more small cell are selected for UE,

Wherein, the RSRP of the reference signal for each adjacent area that the UE that anchor cell are sent base station is measured is： serving Cell issues base station anchor cell base stations.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are normal cell, and this method includes：

The adjacent area that serving cell base stations receive this serving cell that anchor cell base stations are sent finds signal Configuration information, the configuration information include the son of this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal Frame shifting amount, send the adjacent area to the UE of own services and find signal configuration information, to cause：UE has found according to the adjacent area Signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to serving cell Base station reports the adjacent area set itself found, wherein, the adjacent area for this serving cell that anchor cell are sent base station is found Signal configuration information is：Master issues anchor cell base stations, and the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted to Anchor cell base stations, to cause：Adjacent area set is sent to Master by anchor cell base stations, and Master is sent out from UE One or more small cell are selected in existing adjacent area set, the small cell selected for the UE marks are sent to Anchor cell base stations, anchor cell base stations are the selected small cell of UE activation.

The serving cell base stations send the adjacent area to the UE of own services and find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or It was found that when needing the configuration information of the UE offers adjacent area discovery signal to own services, send the adjacent area to the UE and find letter Number configuration information.

After UE transmissions of the serving cell base stations to the own services adjacent area discovery signal configuration information, connect Further comprise before receiving the adjacent area set that the UE that UE is reported has found：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and adjacent area set is returned to the UE Report signaling for approval；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

The serving cell base stations actively send adjacent area set to the UE and report the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, selected in the UE of own services One or more, send adjacent area set to selected UE and report order.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are normal cell, and this method includes：

Anchor cell base stations receive the serving cell for this anchor cell services that Master is sent adjacent area It was found that signal configuration information, the configuration information includes the Neighboring Cell List of the serving cell, the cycle of discovery signal and discovery The sub-frame offset of signal, adjacent area discovery signal configuration information is transmitted to the serving cell base stations, to cause：Should Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE has found according to the adjacent area Signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to serving cell Base station reports the adjacent area set itself found, and the adjacent area set that the UE has found is transmitted to anchor by serving cell base stations Cell base stations, the adjacent area are normal cell；

Anchor cell base stations receive the adjacent area set that the UE sent serving cell base stations has found, by the adjacent area collection Conjunction is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be The small cell marks of UE selections are sent to anchor cell base stations；

Anchor cell base stations receive the small cell marks for UE selections that Master is sent, and are activated for the UE Selected small cell.

A kind of cell finds method, and this method possesses and anchor cell bases applied to centralized control unit Master Stand communication interface, but do not possess with LTE the or LTE-A networks of the interface of normal cell base station communications, wherein Normal cell are small cell, and serving cell are normal cell, and this method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising the serving cell, find the cycle of signal and find the sub-frame offset of signal, according to The adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, The adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, to cause： The set of adjacent area that UE has found is transmitted to anchor cell base stations by serving cell base stations, and anchor cell base stations are by the UE It was found that adjacent area set be transmitted to Master, Master selects one or more small cell in gathering from the adjacent area, will be The small cell marks of UE selections are sent to anchor cell base stations, and anchor cell base stations are selected by UE activation Small cell, the adjacent area is normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds that signal matches somebody with somebody confidence Cease and be：Master is sent by anchor cell base stations to serving cell base stations.

The adjacent area that the UE receives the serving cell that serving cell base stations are sent finds signal configuration information Further comprise before：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

After the adjacent area set that the UE minute books UE has found, the adjacent area itself found is reported to serving cell base stations Further comprise before set：

UE sends adjacent area set to serving cell base stations and reports request, receives serving cell base stations afterwards Signaling is reported in the adjacent area set of return for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

A kind of centralized control unit Master, the Master be located at the Mater possess with anchor cell base stations and In the LTE or LTE-A network of the interface of normal cell base station communications, wherein normal cell are small cell, should Master includes：

Adjacent area finds signal configuration sending module：Send out the adjacent area that the serving cell are sent to serving cell base stations Existing signal configuration information, the configuration information include serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal Sub-frame offset, to cause：Serving cell base stations send the adjacent area to the UE of own services and find that signal matches somebody with somebody confidence Breath, UE have found signal configuration information according to the adjacent area, measure the discovery of each adjacent area in serving cell Neighboring Cell List Signal, the adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, The adjacent area set that UE has found is transmitted to Master by serving cell base stations, and the serving cell are anchor cell Or normal cell, the adjacent area are normal cell；

Small cell select active module：When the adjacent area set for receiving the UE discoveries sent serving cell base stations When, one or more small cell are selected in gathering from the adjacent area, for the selected small cell of UE activation.

The small cell selections active module is further used for, from the set of the adjacent area that UE has found, random selection one Individual or multiple small cell；

Or be further used for, when receiving the adjacent area set that the UE sent serving cell base stations has found, triggering Each adjacent area in the set of the adjacent area reports the reference signal for measuring RSRP, receives the UE sent serving cell base stations and surveys The RSRP of the reference signal of each adjacent area obtained, according to each RSRP, one or more small cell are selected for UE.

A kind of serving cell base stations, positioned at centralized control unit Master possess with anchor cell base stations and In the LTE or LTE-A network of the interface of normal cell base station communications, wherein normal cell are small cell, should Serving cell base stations include：

Adjacent area finds signal configuration provides module：The adjacent area for receiving this serving cell that Master is sent finds signal Configuration information, the configuration information include the son of this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal Frame shifting amount, send the adjacent area to the UE of own services and find signal configuration information, to cause：UE has found according to the adjacent area Signal configuration information, measures the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to this serving Cell base stations report the adjacent area set that the UE has found, the serving cell are anchor cell or normal cell, The adjacent area is normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, the adjacent area is gathered and forwarded To Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, is activated for the UE Selected small cell.

The adjacent area finds that signal configuration provides module is further used for, as the UE for receiving this serving cell services When the adjacent area sent finds signal configuring request, or find that this serving cell base stations need the UE offers to own services When adjacent area finds the configuration information of signal, the action that the adjacent area discovery signal configuration information is sent to the UE is performed.

The adjacent area set receives forwarding module and is further used for, and receives the adjacent area set that the UE is sent and reports request, Adjacent area set, which is returned, to the UE reports signaling for approval；

Or be further used for, actively sending adjacent area set to the UE reports order.

The adjacent area set receives forwarding module and is further used for, and is preset when the load for finding this serving cell exceeds During threshold value, one or more is selected in the UE of this serving cell services, sending the adjacent area to selected UE gathers Report order.

A kind of UE, possess and anchor cell base stations and normal cell base stations positioned at centralized control unit Master In the LTE or LTE-A network of the interface of communication, wherein normal cell are small cell, and the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving that serving cell base stations are sent Cell adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, the week of discovery signal Phase and the sub-frame offset for finding signal, wherein, the adjacent area for the serving cell that serving cell are sent base station is found Signal configuration information is that Master is sent to serving cell base stations, the serving cell for anchor cell or Person normal cell, the adjacent area are normal cell；

Adjacent area set measurement reporting module：Find the serving cell's of signal configuration receiving module record according to adjacent area Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book The adjacent area set that UE has found, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：Should The adjacent area set that this UE has found is transmitted to Master by serving cell base stations, and Master selects one in gathering from the adjacent area Or multiple small cell, for the selected small cell of this UE activation.

The adjacent area finds that signal configuration receiving module is further used for, and sending adjacent area to serving cell base stations finds Signal configuring request.

The adjacent area set measurement reporting module is further used for, and sending adjacent area set to serving cell base stations reports Signaling is reported in request, the adjacent area set for receiving the return of serving cell base stations afterwards for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.

A kind of Master, the Master are located at the Master and possess interface with anchor cell base station communications, but do not have It is standby with the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell are small cell, And serving cell are anchor cell, the Master includes：

Adjacent area finds signal configuration sending module：Send out the adjacent area that the serving cell are sent to serving cell base stations Existing signal configuration information, the configuration information include the Neighboring Cell List of the serving cell, the cycle of discovery signal and discovery letter Number sub-frame offset, to cause：Serving cell base stations send the adjacent area to the UE of own services and find signal configuration Information, UE have found signal configuration information according to the adjacent area, measure the hair of each adjacent area in serving cell Neighboring Cell List Existing signal, the adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, The adjacent area set that UE has found is transmitted to Master by serving cell base stations, and the adjacent area is normal cell；

Small cell selecting modules：When receiving the adjacent area set that the UE sent serving cell base stations has found, One or more small cell are selected in gathering from the adjacent area, will be sent to for the small cell marks selected by the UE Serving cell base stations, to cause：Serving cell base stations are the selected small cell of UE activation.

The small cell selecting modules are further used for, from UE find adjacent area set in, random selection one or Multiple small cell；

Or be further used for, when receiving the adjacent area set that the UE sent serving cell base stations has found, triggering Each neighbor base station in the set of the adjacent area reports the reference signal for measuring RSRP, receives serving cell base stations and sends The RSRP of the reference signal of each adjacent area that measure of UE, according to each RSRP, one or more small cell are selected for UE.

A kind of serving cell base stations, possess and anchor cell base station communications positioned at centralized control unit Master Interface, but do not possess with the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell For small cell, and the serving cell are anchor cell, and the serving cell base stations include：

Adjacent area finds signal configuration provides module：The adjacent area for receiving this serving cell that Master is sent finds signal Configuration information, the configuration information include the son of this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal Frame shifting amount, the UE serviced to this serving cell sends the adjacent area and finds signal configuration information, to cause：UE is according to institute State adjacent area and find signal configuration information, measure the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to This serving cell base stations report the adjacent area set itself found, and the adjacent area is normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, the adjacent area is gathered and forwarded To Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be that the UE is selected The small cell marks selected are sent to this serving cell base stations；

Small cell active modules：The small cell marks for UE selections that Master is sent are received, for this The selected small cell of UE activation.

The adjacent area finds that signal configuration provides module is further used for, as the UE for receiving this serving cell services When the adjacent area sent finds signal configuring request, or find to need the UE serviced to this serving cell to provide this When serving cell adjacent area finds the configuration information of signal, perform described to the UE transmissions adjacent area discovery signal The action of configuration information.

The adjacent area set receives forwarding module and is further used for, and receives the adjacent area set that the UE is sent and reports request, Adjacent area set, which is returned, to the UE reports signaling for approval；

Or be further used for, actively sending adjacent area set to the UE reports order.

The adjacent area set receives forwarding module and is further used for, and is preset when the load for finding this serving cell exceeds During threshold value, one or more is selected in the UE of this serving cell services, sending the adjacent area to selected UE gathers Report order.

A kind of UE, possess the interface with anchor cell base station communications positioned at centralized control unit Master, but do not possess With in the LTE or LTE-A network of the interface of normal cell base station communications, wherein normal cell are small cell, and Serving cell are anchor cell, and the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving that serving cell base stations are sent Cell adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, the week of discovery signal Phase and the sub-frame offset for finding signal, wherein, the adjacent area for the serving cell that serving cell are sent base station is found Signal configuration information is what Master was sent to serving cell base stations, and the adjacent area is normal cell；

Adjacent area set measurement reporting module：Find the serving cell's of signal configuration receiving module record according to adjacent area Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book The adjacent area set that UE has found, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：Should The adjacent area set that this UE has found is transmitted to Master by serving cell base stations, and Master selects one in gathering from the adjacent area Or multiple small cell, the small cell selected for this UE marks are sent to serving cell base stations, serving Cell base stations are the selected small cell of this UE activation.

The adjacent area finds that signal configuration receiving module is further used for, and sending adjacent area to serving cell base stations finds Signal configuring request.

The adjacent area set measurement reporting module is further used for, and sending adjacent area set to serving cell base stations reports Signaling is reported in request, the adjacent area set for receiving the return of serving cell base stations afterwards for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.

A kind of centralized control unit Master, the Master possess the interface with anchor cell base station communications, but do not have The standby interface with normal cell base station communications, wherein normal cell are small cell, and serving cell are Normal cell, the Master include：

Adjacent area finds signal configuration sending module：Being sent to serving cell anchor cell base stations should Serving cell adjacent area finds signal configuration information, and the configuration information includes the Neighboring Cell List of the serving cell, hair The cycle of existing signal and the sub-frame offset for finding signal, to cause：The adjacent area is found signal configuration by anchor cell base stations Information is transmitted to the serving cell base stations, and the serving cell base stations send the adjacent area to the UE of own services and found Signal configuration information, UE is according to adjacent area discovery signal configuration information, in the Neighboring Cell List for measuring the serving cell Each adjacent area discovery signal, minute book UE find adjacent area set, and to serving cell base stations report this UE find Adjacent area is gathered, and the adjacent area set that UE has found is transmitted to anchor cell base stations, anchor cell by serving cell base stations The adjacent area set that UE has found is transmitted to Master by base station, and the adjacent area is normal cell；

Small cell selecting modules：The adjacent area set that the UE sent anchor cell base stations has found is received, from the adjacent area One or more small cell are selected in set, anchor will be sent to for the small cell marks selected by the UE Cell base stations, to cause：Anchor cell base stations are the selected small cell of UE activation.

The small cell selecting modules are further used for, from UE find adjacent area set in, random selection one or Multiple small cell；

Or be further used for, when receiving the adjacent area set that the UE sent anchor cell base stations has found, triggering should Each adjacent area in the set of adjacent area reports the reference signal for measuring RSRP, receives the UE sent anchor cell base stations and measures Each adjacent area reference signal RSRP, according to each RSRP, one or more small cell are selected for UE, wherein, anchor The RSRP of the reference signal for each adjacent area that the UE that cell is sent base station is measured is：Serving cell issue anchor in base station Cell base stations.

A kind of serving cell base stations, possess and anchor cell base station communications positioned at centralized control unit Master Interface, but do not possess with the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell For small cell, and serving cell are normal cell, and the serving cell base stations include：

Adjacent area finds signal configuration provides module：Receive the neighbour for this serving cell that anchor cell base stations are sent Area finds signal configuration information, and the configuration information includes this serving cell Neighboring Cell List, the cycle of discovery signal and hair The sub-frame offset of existing signal, the UE serviced to this serving cell send the adjacent area and find signal configuration information, so that ：UE has found signal configuration information according to the adjacent area, measures the hair of each adjacent area in this serving cell Neighboring Cell List Existing signal, and report the adjacent area itself found to gather to this serving cell base stations, wherein, anchor cell are sent base station This serving cell adjacent area find signal configuration information be Master issue anchor cell base stations, the adjacent area For normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, the adjacent area is gathered and forwarded Anchor cell base stations are given, to cause：Adjacent area set is sent to Master by anchor cell base stations, and Master is sent out from UE One or more small cell are selected in existing adjacent area set, the small cell selected for the UE marks are sent to Anchor cell base stations, anchor cell base stations are the selected small cell of UE activation.

The adjacent area finds that signal configuration provides module is further used for, as the UE for receiving this serving cell services When the adjacent area sent finds signal configuring request, or the UE for finding to need to service to this serving cell provides adjacent area and found During the configuration information of signal, the action that the adjacent area discovery signal configuration information is sent to the UE is performed.

The adjacent area set receives forwarding module and is further used for, and receives the adjacent area set that the UE is sent and reports request, Adjacent area set, which is returned, to the UE reports signaling for approval；

Or be further used for, actively sending adjacent area set to the UE reports order.

The adjacent area set receives forwarding module and is further used for, and is preset when the load for finding this serving cell exceeds During threshold value, one or more is selected in the UE of this serving cell services, sending the adjacent area to selected UE gathers Report order.

A kind of anchor cell base stations, possess and anchor cell base station communications positioned at centralized control unit Master Interface, but do not possess and in the LTE of the interface of normal cell base station communications or LTE-A network, wherein normal cell are Small cell, and serving cell are normal cell, the anchor cell base stations include：

Adjacent area finds signal configuration forwarding module：Receive the serving for this anchor cell services that Master is sent Cell adjacent area finds signal configuration information, Neighboring Cell List of the configuration information comprising the serving cell, finds signal Cycle and the sub-frame offset for finding signal, adjacent area discovery signal configuration information is transmitted to the serving cell base stations, To cause：The serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE is according to institute State adjacent area and find signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to Serving cell base stations report the adjacent area set that this UE has found, the adjacent area set that serving cell base stations find the UE turns Anchor cell base stations are issued, the adjacent area is normal cell；

Gather forwarding module in adjacent area：The adjacent area set that the UE sent serving cell base stations has found is received, by the adjacent area Set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will Anchor cell base stations are sent to for the small cell marks of UE selections；

Small cell active modules：The small cell marks for UE selections that Master is sent are received, for the UE The selected small cell of activation.

A kind of UE, possess the interface with anchor cell base station communications positioned at centralized control unit Master, but do not possess With in the LTE or LTE-A network of the interface of normal cell base station communications, wherein normal cell are small cell, and Serving cell are normal cell, and the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving that serving cell base stations are sent Cell adjacent area finds signal configuration information, Neighboring Cell List of the configuration information comprising the serving cell, finds signal Cycle and the sub-frame offset for finding signal, wherein, the adjacent area hair for the serving cell that serving cell are sent base station Existing signal configuration information is what Master was sent by anchor cell base stations to serving cell base stations, and the adjacent area is normal cell；

Adjacent area set measurement reporting module：Find the serving cell's of signal configuration receiving module record according to adjacent area Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, record The adjacent area set that this UE has found, and gather to the adjacent area that serving cell base stations report this UE to find, to cause：serving The adjacent area set that this UE has found is transmitted to anchor cell base stations by cell base stations, and anchor cell base stations find this UE Adjacent area set be transmitted to Master, Master selects one or more small cell in gathering from the adjacent area, will be this UE The small cell marks of selection are sent to anchor cell base stations, and anchor cell base stations are that this UE activation is selected small cell。

The adjacent area finds that signal configuration receiving module is further used for, and sending adjacent area to serving cell base stations finds Signal configuring request.

The adjacent area set measurement reporting module is further used for, and sending adjacent area set to serving cell base stations reports Signaling is reported in request, the adjacent area set for receiving the return of serving cell base stations afterwards for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.

Compared with prior art, the present invention realizes：Small cell under framework shown in Fig. 1-1,1-2 have found, and nothing By whether there are macro cell coverings in network, small cell discoveries can be all completed.

Brief description of the drawings

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

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

Fig. 2 is the method flow diagram that small cell are found under framework shown in Fig. 1-1 that the embodiment of the present invention one provides；

Fig. 3 is the method flow diagram that small cell are found under framework shown in Fig. 1-1 that the embodiment of the present invention two provides；

Fig. 4 is the method flow diagram that small cell are found under framework shown in Fig. 1-2 that the embodiment of the present invention three provides；

Fig. 5 is the method flow diagram that small cell are found under framework shown in Fig. 1-2 that the embodiment of the present invention four provides；

Fig. 6 is the method flow diagram that small cell are found under framework shown in Fig. 1-2 that the embodiment of the present invention five provides；

Fig. 7 is the method flow diagram that small cell are found under framework shown in Fig. 1-2 that the embodiment of the present invention six provides；

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

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

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

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

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

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

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

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

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

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

Embodiment

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

Framework shown in Fig. 1-1, Fig. 1-2 is directed to individually below, is provided Small cell provided in an embodiment of the present invention and is found Flow.

The illustrated embodiment of Fig. 2~3 is directed to framework shown in Fig. 1-1, and the illustrated embodiment of Fig. 4~7 is directed to Fig. 1-2 institutes Show framework.

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

Fig. 2 is the method flow diagram for the discovery small cell that the embodiment of the present invention one provides, and the embodiment is directed to Framework shown in Fig. 1-1, wherein, serving cell can be anchor cell or normal cell, such as Fig. 2 institutes Show, it is comprised the following steps that：

Step 201：Centralized control unit（Master）It was found that serving cell（serving cell）It is properly configured net After network, adjacent area is sent to serving cell base stations（neighbor cell）It was found that signal configuration signal, included in the signaling Sub-frame offset of serving cell Neighboring Cell List, the cycle for finding signal and discovery signal etc..

Step 202：When serving cell base stations receive the user equipment of own services（UE, User Equipment） The adjacent area sent finds that signal configuring request signaling, or serving cell base stations find to need to provide to the UE of own services When adjacent area finds the configuration information of signal, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling bag Sub-frame offset of the Neighboring Cell List of the cell containing this serving, the cycle for finding signal and discovery signal etc..

, can be to serving when UE has found that it is that the service quality that this UE is provided is deteriorated to be currently located small cell Cell base stations send adjacent area and find signal configuring request signaling；Or when serving cell base stations find that UE is currently located When small cell are that the service quality that the UE is provided is deteriorated, it actively can send adjacent area to UE and find signal configuration provides letter Order.

Step 203：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

When UE determines to carry out small cell switchings etc., the discovery letter of serving cell each adjacent area can be measured Number.

Step 204：When any UE will report the adjacent area set itself found to serving cell base stations, to Serving cell base stations send adjacent area set and report demand signalling, when the adjacent area collection for receiving the return of serving cell base stations When closing declaration definite message or answer and making, the adjacent area set that itself finds is carried and is sent to serving in adjacent area set reports signaling Cell base stations.

Step 205：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Master is issued, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

Step 206：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell, for the selected small cell of UE activation.

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

During strategy one, Master gather from the adjacent area that UE has found, one or more small cell are randomly choosed.

Strategy two, specifically comprise the following steps：

01）The adjacent area that Master has found according to UE is gathered, and is triggered each neighbor base station and is reported for measuring reference signals reception Power（RSRP, Reference Signal Receiving Power）Channel condition information-reference signal（CSI-RS, Channel State Information-Reference Signal）Or the specific reference signal of cell（CRS, Cell- Specified Reference Signal）Or simplify CRS etc..

02）UE measures the CSI-RS sent each adjacent area either CRS or simplified CRS RSRP, and the RSRP is reported Serving cell base stations.

03）The RSRP for each adjacent area that Serving cell base stations report UE reports Master.

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

Specifically, the RSRP for each adjacent area that Master reports to UE is ranked up, select RSRP highests one or Multiple small cell activate for UE.

Fig. 3 is the method flow diagram for the discovery small cell that the embodiment of the present invention two provides, and the embodiment is directed to Framework shown in Fig. 1-1, wherein, serving cell can be anchor cell or normal cell, such as Fig. 3 institutes Show, it is comprised the following steps that：

Step 301：After Master has found that serving cell are properly configured network, to serving cell base stations Send adjacent area and find signal configuration signal, the Neighboring Cell List comprising serving cell in the signaling, find signal cycle and It was found that sub-frame offset of signal etc..

Step 302：Find that signal configuration please when serving cell base stations receive the adjacent area that the UE of own services sends Signaling, or serving cell base stations is asked to find to need the configuration information for providing discovery signal in adjacent area to the UE of own services When, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling includes this serving cell adjacent area Sub-frame offset of list, the cycle for finding signal and discovery signal etc..

Step 303：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

It can be seen that step 301~303 are identical with step 201~203.

Step 304：The one or more to own services is triggered according to situations such as own load in serving cell base stations UE sends adjacent area set and reports order.

When serving cell base stations find that own load is overweight, the UE reporting neighboring cells collection of own services can be triggered Close.

Step 305：Any UE receives adjacent area set and reports order, and the adjacent area set itself found is carried in adjacent area Set, which reports, is sent to serving cell base stations in signaling.

Step 306：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Master is issued, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

Step 307：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell, for the selected small cell of UE activation.

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

It can be seen that step 306~307 are identical with step 205~206.

Fig. 4 is the method flow diagram for the discovery small cell that the embodiment of the present invention three provides, and the embodiment is directed to Framework shown in Fig. 1-2, wherein, serving cell are anchor cell, as shown in figure 4, it is comprised the following steps that：

Step 401：After Master has found that serving cell are properly configured network, to serving cell base stations Send adjacent area and find signal configuration signal, the Neighboring Cell List comprising serving cell in the signaling, find signal cycle and It was found that sub-frame offset of signal etc..

Step 402：Find that signal configuration please when serving cell base stations receive the adjacent area that the UE of own services sends Signaling, or serving cell base stations is asked to find to need the configuration information for providing discovery signal in adjacent area to the UE of own services When, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling includes this serving cell adjacent area Sub-frame offset of list, the cycle for finding signal and discovery signal etc..

Step 403：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

Step 404：When any UE will report the adjacent area set itself found to serving cell base stations, to Serving cell base stations send adjacent area set and report demand signalling, when the adjacent area collection for receiving the return of serving cell base stations When closing declaration definite message or answer and making, the adjacent area set that itself finds is carried and is sent to serving in adjacent area set reports signaling Cell base stations.

Step 405：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Master is issued, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

It can be seen that step 401~405 are identical with step 201~205.

Step 406：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell for being prepared as UE activation, selected small cell marks and UE marks are carried and activated Serving cell base stations are sent in small cell notice signalings.

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

Step 407：Serving cell base stations receive activation small cell notice signalings, according in the signaling Small cell are identified and UE marks, and small cell are activated for the UE.

Fig. 5 is the method flow diagram for the discovery small cell that the embodiment of the present invention four provides, and the embodiment is directed to Framework shown in Fig. 1-2, wherein, serving cell are normal cell, as shown in figure 5, it is comprised the following steps that：

Step 501：After Master has found that serving cell are properly configured network, to the serving cell's Anchor cell base stations send adjacent area and find signal configuration signal, and the adjacent area that the serving cell are included in the signaling arranges Sub-frame offset of table, the cycle for finding signal and discovery signal etc..

Step 502：Anchor cell base stations receive the adjacent area and find signal configuration signal, and the signaling is transmitted into this Serving cell base stations.

Step 503：Find that signal configuration please when serving cell base stations receive the adjacent area that the UE of own services sends Signaling, or serving cell base stations is asked to find to need the configuration information for providing discovery signal in adjacent area to the UE of own services When, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling includes this serving cell adjacent area Sub-frame offset of list, the cycle for finding signal and discovery signal etc..

Step 504：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

Step 505：When any UE will report the adjacent area set itself found to serving cell base stations, to Serving cell base stations send adjacent area set and report demand signalling, when the adjacent area collection for receiving the return of serving cell base stations When closing declaration definite message or answer and making, the adjacent area set that itself finds is carried and is sent to serving in adjacent area set reports signaling Cell base stations.

Step 506：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Issue the anchor cell base stations of itself.

Step 507：Anchor cell base stations receive adjacent area set and report signaling, and the signaling is transmitted into Master, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

Step 508：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell for being prepared as UE activation, selected small cell marks and UE marks are carried and activated Anchor cell base stations are sent in small cell notice signalings.

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

Step 509：Anchor cell base stations receive activation small cell notice signalings, according in the signaling Small cell are identified and UE marks, and small cell are activated for the UE.

Fig. 6 is the method flow diagram for the discovery small cell that the embodiment of the present invention five provides, and the embodiment is directed to Framework shown in Fig. 1-2, wherein, serving cell are anchor cell, as shown in fig. 6, it is comprised the following steps that：

Step 601：After Master has found that serving cell are properly configured network, to serving cell base stations Send adjacent area and find signal configuration signal, the Neighboring Cell List comprising serving cell in the signaling, find signal cycle and It was found that sub-frame offset of signal etc..

Step 602：When serving cell base stations receive the user equipment of own services（UE, User Equipment） The adjacent area sent finds that signal configuring request signaling, or serving cell base stations find to need to provide to the UE of own services When adjacent area finds the configuration information of signal, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling bag Sub-frame offset of the Neighboring Cell List of the cell containing this serving, the cycle for finding signal and discovery signal etc..

Step 603：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

Step 604：The one or more to own services is triggered according to situations such as own load in serving cell base stations UE sends adjacent area set and reports order.

Step 605：Any UE receives adjacent area set and reports order, and the adjacent area set itself found is carried in adjacent area Set, which reports, is sent to serving cell base stations in signaling.

Step 606：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Master is issued, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

It can be seen that step 601~606 are identical with step 301~306.

Step 607：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell for being prepared as UE activation, selected small cell marks and UE marks are carried and activated Serving cell base stations are sent in small cell notice signalings.

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

Step 608：Serving cell base stations receive activation small cell notice signalings, according in the signaling Small cell are identified and UE marks, and small cell are activated for the UE.

It can be seen that step 607~608 are identical with step 406~407.

Fig. 7 is the method flow diagram for the discovery small cell that the embodiment of the present invention six provides, and the embodiment is directed to Framework shown in Fig. 1-2, wherein, serving cell are normal cell, as shown in fig. 7, it is comprised the following steps that：

Step 701：After Master has found that serving cell are properly configured network, to the serving cell's Anchor cell base stations send adjacent area and find signal configuration signal, and the adjacent area that the serving cell are included in the signaling arranges Sub-frame offset of table, the cycle for finding signal and discovery signal etc..

Step 702：Anchor cell base stations receive the adjacent area and find signal configuration signal, and the signaling is transmitted into this Serving cell base stations.

Step 703：Find that signal configuration please when serving cell base stations receive the adjacent area that the UE of own services sends Signaling, or serving cell base stations is asked to find to need the configuration information for providing discovery signal in adjacent area to the UE of own services When, send adjacent area to the UE of own services and find signal configuration provides signaling, the signaling includes this serving cell adjacent area Sub-frame offset of list, the cycle for finding signal and discovery signal etc..

Step 704：When any UE, which receives the adjacent area, finds signal configuration provides signaling, record in the signaling Serving cell Neighboring Cell List, the cycle for finding signal and sub-frame offset of signal etc. is found, when needing to measure adjacent area It was found that during signal, according to the serving cell of record Neighboring Cell List, find the cycle of signal and find that the subframe of signal is inclined Shifting amount etc., the discovery signal of each adjacent area of the serving cell is measured, the adjacent area set that minute book UE has found.

It can be seen that step 701~704 are identical with step 501~504.

Step 705：The one or more to own services is triggered according to situations such as own load in serving cell base stations UE sends adjacent area set and reports order.

Step 706：Any UE receives adjacent area set and reports order, and the adjacent area set itself found is carried in adjacent area Set, which reports, is sent to serving cell base stations in signaling.

It can be seen that step 705~706 are identical with step 604~605.

Step 707：Serving cell base stations receive the adjacent area set that any UE is sent and report signaling, and the signaling is turned Issue the anchor cell base stations of itself.

Step 708：Anchor cell base stations receive adjacent area set and report signaling, and the signaling is transmitted into Master, Master receives the signaling, records the adjacent area set of UE discoveries.

So far, small cell discovery procedures are completed.

Step 709：For any UE, Master from the set of the adjacent area that the UE has found, one is selected according to preset strategy Or multiple small cell for being prepared as UE activation, selected small cell marks and UE marks are carried and activated Anchor cell base stations are sent in small cell notice signalings.

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

Step 710：Anchor cell base stations receive activation small cell notice signalings, according in the signaling Small cell are identified and UE marks, and small cell are activated for the UE.

It can be seen that step 707~710 are identical with step 506~509.

Can be seen that the illustrated embodiment of Fig. 2,4,5 from the illustrated embodiment of Fig. 2~7 is UE for itself suffered service scenario The flow for starting incision oneself and finding adjacent area is triggered Deng active, the illustrated embodiment of Fig. 3,6,7 is overweight etc. when there is network load During situation, network side triggering UE starts the flow that incision finds its adjacent area.

Fig. 8 be the embodiment of the present invention one provide Master composition schematic diagram, the Master be located at Master possess and In LTE the or LTE-A networks of the interface of anchor cell base stations and normal cell base station communications, wherein normal cell For small cell, as shown in figure 8, the Master mainly includes：Adjacent area finds signal configuration sending module 81 and small Cell selects active module 82, wherein：

Adjacent area finds signal configuration sending module 81：The neighbour of the serving cell is sent to serving cell base stations Area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, the cycle of discovery signal and discovery Sub-frame offset of signal etc., to cause：Serving cell base stations send the adjacent area to the UE of own services and find that signal is matched somebody with somebody Confidence ceases, and UE has found signal configuration information according to the adjacent area, measures the hair of each adjacent area in serving cell Neighboring Cell List Existing signal, the adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, The adjacent area set that UE has found is transmitted to Master by serving cell base stations, and wherein serving cell are anchor cell Or normal cell, adjacent area are normal cell.

Small cell select active module 82：When the adjacent area collection for receiving the UE discoveries sent serving cell base stations During conjunction, one or more small cell are selected in gathering from the adjacent area, for the selected small cell of UE activation.

In actual applications, small cell select active module 82 when selecting small cell, the neighbour found from UE In area's set, one or more small cell are randomly choosed；Or each adjacent area triggered in the set of the adjacent area is reported for surveying RSRP reference signal is measured, receives the RSRP of the reference signal for each adjacent area that the UE sent serving cell base stations is measured, root According to each RSRP, one or more small cell are selected for UE.

The composition schematic diagram for the serving cell base stations that Fig. 9 provides for the embodiment of the present invention one, the serving cell Base station is located at LTE the or LTE-A nets that Master possesses the interface with anchor cell base stations and normal cell base station communications In network, wherein normal cell are small cell, as shown in figure 9, the serving cell base stations include：Adjacent area finds letter Number configuration provides module 91 and adjacent area set receive forwarding module 92, wherein：

Adjacent area finds signal configuration provides module 91：The adjacent area for receiving this serving cell that Master is sent finds letter Number configuration information, Neighboring Cell List that the configuration information includes this serving cell, find the cycle of signal and find signal Sub-frame offset, send the adjacent area to the UE of own services and find signal configuration information, to cause：UE has found to believe according to the adjacent area Number configuration information, measures the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to this serving Cell base stations report the adjacent area set that the UE has found, wherein serving cell are anchor cell or normal cell, Adjacent area is normal cell.

Adjacent area set receives forwarding module 92：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is turned Master is issued, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, swashs for the UE Selected small cell living.

In actual applications, adjacent area finds that signal configuration provides module 91 is further used for, when receiving this serving When the adjacent area that the UE of cell services is sent finds signal configuring request, or find that this serving cell base stations are needed to itself When the UE of service provides the configuration information of adjacent area discovery signal, the action for sending adjacent area to UE and finding signal configuration information is performed.

In actual applications, adjacent area set receives forwarding module 92 and is further used for, and receives the adjacent area collection that UE is sent and closes Submit a report asking for and ask, returning to adjacent area set to UE reports signaling for approval；Or actively send adjacent area set to UE and report order.

Adjacent area set receives forwarding module 92 and can be further used for, when the load for finding this serving cell exceeds in advance If during threshold value, one or more is selected in the UE of this serving cell services, send adjacent area collection to selected UE and close Report on one's mission order.

Figure 10 is the composition schematic diagram for the UE that the embodiment of the present invention one provides, and the UE, which is located at Master, to be possessed and anchor In the LTE or LTE-A network of the interface of cell base stations and normal cell base station communications, wherein normal cell are small Cell, as shown in Figure 10, the UE include：Adjacent area finds signal configuration receiving module 101 and adjacent area set measurement reporting module 102, wherein：

Adjacent area finds signal configuration receiving module 101：What is received and record that serving cell base stations send should Serving cell adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, discovery The cycle of signal and the sub-frame offset for finding signal, wherein, the serving cell's that serving cell are sent base station Adjacent area finds that signal configuration information is what Master was sent to serving cell base stations, and wherein serving cell are anchor Cell or normal cell, adjacent area are normal cell.

Adjacent area set measurement reporting module 102：The serving of the signal configuration record of receiving module 101 is found according to adjacent area Cell adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, The adjacent area set that minute book UE has found, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：Should The adjacent area set that this UE has found is transmitted to Master by serving cell base stations, and Master selects one in gathering from the adjacent area Or multiple small cell, for the selected small cell of this UE activation.

In actual applications, adjacent area finds that signal configuration receiving module 101 is further used for, to serving cell base stations Send adjacent area and find signal configuring request.

In actual applications, adjacent area set measurement reporting module 102 is further used for, and is sent out to serving cell base stations Adjacent area set is sent to report request, signaling is reported in the adjacent area set for receiving the return of serving cell base stations afterwards for approval；Or Receive the adjacent area set sent serving cell base stations and report order.

Figure 11 is the composition schematic diagram for the Master that the embodiment of the present invention two provides, and the Master possesses positioned at Master With the interface of anchor cell base station communications, but do not possess LTE the or LTE-A nets with the interface of normal cell base station communications In network, wherein normal cell are small cell, and serving cell are anchor cell, as shown in figure 11, should Master includes：Adjacent area finds signal configuration sending module 111 and small cell selecting modules 112, wherein：

Adjacent area finds signal configuration sending module 111：The neighbour of the serving cell is sent to serving cell base stations Area finds signal configuration information, and the configuration information includes the Neighboring Cell List of the serving cell, the cycle of discovery signal and hair The sub-frame offset of existing signal, to cause：Serving cell base stations send the adjacent area to the UE of own services and find that signal is matched somebody with somebody Confidence ceases, and UE has found signal configuration information according to the adjacent area, measures the hair of each adjacent area in serving cell Neighboring Cell List Existing signal, the adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, The adjacent area set that UE has found is transmitted to Master by serving cell base stations, and wherein adjacent area is normal cell.

Small cell selecting modules 112：When the adjacent area set for receiving the UE discoveries sent serving cell base stations When, one or more small cell are selected in gathering from the adjacent area, are sent being identified for the small cell selected by the UE Serving cell base stations are given, to cause：Serving cell base stations are the selected small cell of UE activation.

In actual applications, small cell selecting modules 112 are further used for, from the set of the adjacent area that UE has found, with Machine selects one or more small cell；Or when the adjacent area collection for receiving the UE discoveries sent serving cell base stations During conjunction, each adjacent area triggered in the set of the adjacent area reports reference signal for measuring RSRP, receives serving cell base stations The RSRP of the reference signal for each adjacent area that the UE sent is measured, according to each RSRP, one or more small are selected for UE cell。

The composition schematic diagram for the serving cell base stations that Figure 12 provides for the embodiment of the present invention two, the serving cell Base station is located at Master and possesses interface with anchor cell base station communications, but does not possess and normal cell base station communications In the LTE or LTE-A network of interface, wherein normal cell are small cell, and the serving cell are anchor Cell, as shown in figure 12, the serving cell base stations include：Adjacent area finds signal configuration provides module 121, adjacent area collection splice grafting Forwarding module 122 and small cell active modules 123 are received, wherein：

Adjacent area finds signal configuration provides module 121：The adjacent area for receiving this serving cell that Master is sent is found Signal configuration information, the configuration information include this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal Sub-frame offset, to this serving cell service UE send the adjacent area find signal configuration information, to cause：UE according to The adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to This serving cell base stations report the adjacent area set itself found, and wherein adjacent area is normal cell.

Adjacent area set receives forwarding module 122：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is turned Master is issued, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be the UE The small cell marks of selection are sent to this serving cell base stations.

Small cell active modules 123：The small cell marks for UE selections that Master is sent are received, for the UE The selected small cell of activation.

In actual applications, adjacent area finds that signal configuration provides module 121 is further used for, when receiving this serving When the adjacent area that the UE of cell services is sent finds signal configuring request, or find to need the UE serviced to this serving cell When this serving cell configuration information of adjacent area discovery signal is provided, performs to UE and send adjacent area discovery signal configuration information Action.

In actual applications, adjacent area set receives forwarding module 122 and is further used for, and receives the adjacent area collection that UE is sent and closes Submit a report asking for and ask, returning to adjacent area set to UE reports signaling for approval；Or actively send adjacent area set to UE and report order.

In actual applications, adjacent area set receives forwarding module 122 and can be further used for, as this serving of discovery When cell load exceeds predetermined threshold value, selected in the UE of this serving cell services it is one or more, to selected UE sends adjacent area set and reports order.

Figure 13 is the composition schematic diagram for the UE that the embodiment of the present invention two provides, and the UE, which is located at Master, to be possessed and anchor The interface of cell base station communications, but do not possess with the LTE of the interface of normal cell base station communications or LTE-A network, wherein Normal cell are small cell, and serving cell are anchor cell, and as shown in figure 13, the UE includes：Adjacent area It was found that signal configuration receiving module 131 and adjacent area set measurement reporting module 132, wherein：

Adjacent area finds signal configuration receiving module 131：What is received and record that serving cell base stations send should Serving cell adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, discovery The cycle of signal and the sub-frame offset for finding signal, wherein, the serving cell's that serving cell are sent base station Adjacent area finds that signal configuration information is what Master was sent to serving cell base stations, and wherein adjacent area is normal cell.

Adjacent area set measurement reporting module 132：The serving of the signal configuration record of receiving module 131 is found according to adjacent area Cell adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, The adjacent area set that minute book UE has found, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：Should The adjacent area set that this UE has found is transmitted to Master by serving cell base stations, and Master selects one in gathering from the adjacent area Or multiple small cell, the small cell selected for this UE marks are sent to serving cell base stations, serving Cell base stations are the selected small cell of this UE activation.

In actual applications, adjacent area finds that signal configuration receiving module 131 is further used for, to serving cell base stations Send adjacent area and find signal configuring request.

In actual applications, adjacent area set measurement reporting module 132 is further used for, and is sent out to serving cell base stations Adjacent area set is sent to report request, signaling is reported in the adjacent area set for receiving the return of serving cell base stations afterwards for approval；Or Receive the adjacent area set sent serving cell base stations and report order.

Figure 14 is the composition schematic diagram for the Master that the embodiment of the present invention three provides, and the Master possesses positioned at Master With the interface of anchor cell base station communications, but do not possess LTE the or LTE-A nets with the interface of normal cell base station communications In network, wherein normal cell are small cell, and serving cell are normal cell, as shown in figure 14, should Master includes：Adjacent area finds signal configuration sending module 141, small cell selecting modules 142, wherein：

Adjacent area finds signal configuration sending module 141：Being sent to serving cell anchor cell base stations should Serving cell adjacent area finds signal configuration information, and the configuration information includes the Neighboring Cell List of the serving cell, hair The cycle of existing signal and the sub-frame offset for finding signal, to cause：The adjacent area is found signal configuration by anchor cell base stations Information is transmitted to the serving cell base stations, and the serving cell base stations send the adjacent area to the UE of own services and find letter Number configuration information, UE have found signal configuration information according to the adjacent area, each adjacent area in measurement serving cell Neighboring Cell List Discovery signal, minute book UE find adjacent area set, and to serving cell base stations report this UE find adjacent area gather, The set of adjacent area that UE has found is transmitted to anchor cell base stations by serving cell base stations, and anchor cell base stations are by UE It was found that adjacent area set be transmitted to Master, wherein adjacent area is normal cell.

Small cell selecting modules 142：The adjacent area set that the UE sent anchor cell base stations has found is received, from this One or more small cell are selected in the set of adjacent area, will be sent to for the small cell marks selected by the UE Anchor cell base stations, to cause：Anchor cell base stations are the selected small cell of UE activation.

In actual applications, small cell selecting modules 142 are further used for, from the set of the adjacent area that UE has found, with Machine selects one or more small cell；Or when the adjacent area set for receiving the UE discoveries sent anchor cell base stations When, each adjacent area triggered in the set of the adjacent area reports reference signal for measuring RSRP, receives anchor cell base stations hair The RSRP of the reference signal for each adjacent area that the UE come is measured, according to each RSRP, one or more small cell are selected for UE, Wherein, the RSRP of the reference signal for each adjacent area that the UE that anchor cell are sent base station is measured is：Serving cell base stations Issue anchor cell base stations.

The composition schematic diagram for the serving cell base stations that Figure 15 provides for the embodiment of the present invention three, the serving cell Base station is located at Master and possesses interface with anchor cell base station communications, but does not possess and normal cell base station communications In the LTE or LTE-A network of interface, wherein normal cell are small cell, and serving cell are normal Cell, as shown in figure 15, the serving cell base stations include：Adjacent area finds signal configuration provides module 151 and adjacent area set Forwarding module 152 is received, wherein：

Adjacent area finds signal configuration provides module 151：Receive this serving cell's that anchor cell base stations are sent Adjacent area find signal configuration information, the configuration information include this serving cell Neighboring Cell List, find signal cycle and It was found that the sub-frame offset of signal, the UE serviced to this serving cell sends the adjacent area and finds signal configuration information, so that ：UE has found signal configuration information according to the adjacent area, measures the discovery of each adjacent area in this serving cell Neighboring Cell List Signal, and report the adjacent area itself found to gather to this serving cell base stations, wherein, anchor cell are sent base station This serving cell adjacent area finds that signal configuration information is that Master issues anchor cell base stations, and wherein adjacent area is normal cell。

Adjacent area set receives forwarding module 152：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is turned Anchor cell base stations are issued, to cause：Adjacent area set is sent to Master by anchor cell base stations, and Master is from UE It was found that adjacent area set in select one or more small cell, by small cell select for the UE identify be sent to Anchor cell base stations, anchor cell base stations are the selected small cell of UE activation.

In actual applications, adjacent area finds that signal configuration provides module 151 is further used for, when receiving this serving When the adjacent area that the UE of cell services is sent finds signal configuring request, or find to need the UE serviced to this serving cell When the configuration information of adjacent area discovery signal is provided, the action for sending adjacent area to UE and finding signal configuration information is performed.

In actual applications, adjacent area set receives forwarding module 152 and is further used for, and receives the adjacent area collection that UE is sent and closes Submit a report asking for and ask, returning to adjacent area set to UE reports signaling for approval；Or actively send adjacent area set to UE and report order.

In actual applications, adjacent area set receives forwarding module 152 and is further used for, when discovery this serving cell's When load exceeds predetermined threshold value, one or more is selected in the UE of this serving cell services, is sent to selected UE Adjacent area set reports order.

The composition schematic diagram for the anchor cell base stations that Figure 16 provides for the embodiment of the present invention three, the anchor cell bases Erect-position possesses the interface with anchor cell base station communications in Master, but does not possess and connect with normal cell base station communications In the LTE or LTE-A network of mouth, wherein normal cell are small cell, and serving cell are normal cell, As shown in figure 16, the anchor cell base stations include：Adjacent area finds signal configuration forwarding module 161, adjacent area set forwarding module 162 and small cell active modules 163, wherein：

Adjacent area finds signal configuration forwarding module 161：Receive this anchor cell services that Master is sent Serving cell adjacent area finds signal configuration information, and the configuration information includes the Neighboring Cell List of the serving cell, hair The cycle of existing signal and the sub-frame offset for finding signal, adjacent area discovery signal configuration information is transmitted to the serving Cell base stations, to cause：The serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, UE has found signal configuration information according to the adjacent area, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, And gather to the adjacent area that serving cell base stations report this UE to find, the adjacent area that serving cell base stations find the UE Set is transmitted to anchor cell base stations, and wherein adjacent area is normal cell.

Gather forwarding module 162 in adjacent area：The adjacent area set that the UE sent serving cell base stations has found is received, by the neighbour Area's set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, The small cell selected for the UE marks are sent to anchor cell base stations.

Small cell active modules 163：The small cell marks for UE selections that Master is sent are received, are The selected small cell of UE activation.

Figure 17 is the composition schematic diagram for the UE that the embodiment of the present invention three provides, and the UE, which is located at Master, to be possessed and anchor The interface of cell base station communications, but do not possess with the LTE of the interface of normal cell base station communications or LTE-A network, wherein Normal cell are small cell, and serving cell are normal cell, and as shown in figure 17, the UE includes：Adjacent area It was found that signal configuration receiving module 171 and adjacent area set measurement reporting module 172, wherein：

Adjacent area finds signal configuration receiving module 171：What is received and record that serving cell base stations send should Serving cell adjacent area finds signal configuration information, and the configuration information includes the Neighboring Cell List of the serving cell, hair The cycle of existing signal and the sub-frame offset for finding signal, wherein, the serving cell that serving cell are sent base station Adjacent area find that signal configuration information is that Master is sent by anchor cell base stations to serving cell base stations, its Middle adjacent area is normal cell.

Adjacent area set measurement reporting module 172：The serving of the signal configuration record of receiving module 171 is found according to adjacent area Cell adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, note The adjacent area set of this UE discoveries is recorded, and is gathered to the adjacent area that serving cell base stations report this UE to find, to cause： The adjacent area set that this UE has found is transmitted to anchor cell base stations by serving cell base stations, and this be incited somebody to action in anchor cell base stations The adjacent area set that UE has found is transmitted to Master, and Master selects one or more small cell in gathering from the adjacent area, will Anchor cell base stations are sent to for the small cell marks of this UE selections, anchor cell base stations are selected by this UE activation The small cell selected.

In actual applications, adjacent area finds that signal configuration receiving module 171 is further used for, to serving cell base stations Send adjacent area and find signal configuring request.

In actual applications, adjacent area set measurement reporting module 172 is further used for, and is sent out to serving cell base stations Adjacent area set is sent to report request, signaling is reported in the adjacent area set for receiving the return of serving cell base stations afterwards for approval；Or Receive the adjacent area set sent serving cell base stations and report order.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.

Claims (56)

1. a kind of cell finds method, this method is applied in Long Term Evolution LTE or LTE-A network, and LTE or LTE-A nets Centralized control unit Master in network possesses the interface with anchor cell anchor cell base station communications, while Master possesses With the interface of normal cells normal cell base station communications, wherein normal cell are small cell, it is characterised in that should Method includes：

The adjacent area that Master sends the serving cell to serving cell base stations finds signal configuration information, should match somebody with somebody confidence Neighboring Cell List of the breath comprising serving cell, the cycle for finding signal and the sub-frame offset for finding signal, to cause： Serving cell base stations send the adjacent area to the user equipment (UE) of own services and find signal configuration information, and UE is according to Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book UE It was found that adjacent area set, and to serving cell base stations report itself find adjacent area gather, serving cell base stations will The adjacent area set that UE has found is transmitted to Master, and the serving cell are anchor cell or normal cell, institute It is normal cell to state adjacent area；

When Master receives the adjacent area set of UE discoveries, one or more small cell are selected in gathering from the adjacent area, For the selected small cell of UE activation.

2. according to the method for claim 1, it is characterised in that the Master selects one or more in gathering from the adjacent area Individual small cell include：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master is had found according to UE is gathered, and is triggered each neighbor base station in the set of the adjacent area and is reported and is used for Measuring reference signals receiving power RSRP reference signal, receive each adjacent area that the UE sent serving cell base stations is measured The RSRP of reference signal, according to each RSRP, one or more small cell are selected for UE.

3. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, while Master possesses and normal cell bases Stand communication interface, wherein normal cell are small cell, it is characterised in that this method includes：

The adjacent area that serving cell base stations receive this serving cell that Master is sent finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising this serving cell, find the cycle of signal and find the sub-frame offset of signal, to certainly The UE of body service sends the adjacent area and finds signal configuration information, to cause：UE has found signal configuration information according to the adjacent area, The discovery signal of each adjacent area in serving cell Neighboring Cell List is measured, and reports and itself sends out to serving cell base stations Existing adjacent area set, the serving cell are anchor cell or normal cell, and the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted into Master, To cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, selected for UE activation small cell。

4. according to the method for claim 3, it is characterised in that sent out to the UE of own services the serving cell base stations The adjacent area is sent to find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or find When the configuration information of UE offers adjacent area discovery signal to own services is provided, sends the adjacent area to the UE and find that signal is matched somebody with somebody Confidence ceases.

5. the method according to claim 3 or 4, it is characterised in that the serving cell base stations are to own services UE send the adjacent area find signal configuration information after, receive the bag that takes a step forward of the adjacent area set that the UE that UE is reported has found Include：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and returning to adjacent area set to the UE reports Ratify signaling；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

6. according to the method for claim 5, it is characterised in that the serving cell base stations are actively sent to the UE Adjacent area set reports the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, in the UE of own services select one or It is multiple, send adjacent area set to selected UE and report order.

7. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, while Master possesses and normal cell bases Stand communication interface, wherein normal cell are small cell, it is characterised in that this method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, should match somebody with somebody confidence Neighboring Cell List of the breath comprising serving cell, the cycle for finding signal and the sub-frame offset for finding signal, according to the neighbour Area finds signal configuration information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book UE hairs Existing adjacent area set, and report the adjacent area itself found to gather to serving cell base stations, to cause：Serving cell bases The adjacent area set for finding UE of standing is transmitted to Master, and Master selects one or more small in gathering from the adjacent area Cell, it is anchor cell or normal for UE activation selected small cell, the serving cell Cell, the adjacent area are normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds signal configuration information For：Master is sent to serving cell base stations.

8. according to the method for claim 7, it is characterised in that what the UE reception serving cell base stations were sent should Serving cell adjacent area finds to further comprise before signal configuration information：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

9. the method according to claim 7 or 8, it is characterised in that after the adjacent area set that the UE minute books UE has found, Report to serving cell base stations and further comprise before the set of the adjacent area itself found：

UE sends adjacent area set to serving cell base stations and reports request, receives the return of serving cell base stations afterwards Signaling is reported in adjacent area set for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

10. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are anchor cell, and its feature exists In this method includes：

The adjacent area that Master sends the serving cell to serving cell base stations finds signal configuration information, should match somebody with somebody confidence Neighboring Cell List of the breath comprising the serving cell, the cycle for finding signal and the sub-frame offset for finding signal, to cause： Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE has found according to the adjacent area Signal configuration information, measure the discovery signal of each adjacent area in serving cell Neighboring Cell List, the neighbour that minute book UE has found Area gathers, and reports the adjacent area itself found to gather to serving cell base stations, and serving cell base stations find UE Adjacent area set is transmitted to Master, and the adjacent area is normal cell；

When Master receives the adjacent area set of UE discoveries, one or more small cell are selected in gathering from the adjacent area, Serving cell base stations will be sent to for the small cell marks selected by the UE, to cause：Serving cell base stations For the selected small cell of UE activation.

11. according to the method for claim 10, it is characterised in that the Master from the adjacent area gather in selection one or Multiple small cell include：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master is had found according to UE is gathered, and is triggered each neighbor base station in the set of the adjacent area and is reported and is used for RSRP reference signal is measured, receives the RSRP of the reference signal for each adjacent area that the UE sent serving cell base stations is measured, According to each RSRP, one or more small cell are selected for UE.

12. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are anchor cell, and its feature exists In this method includes：

The adjacent area that serving cell base stations receive this serving cell that Master is sent finds signal configuration information, and this is matched somebody with somebody Neighboring Cell List of the confidence breath comprising this serving cell, find the cycle of signal and find the sub-frame offset of signal, to certainly The UE of body service sends the adjacent area and finds signal configuration information, to cause：UE has found signal configuration information according to the adjacent area, The discovery signal of each adjacent area in serving cell Neighboring Cell List is measured, and reports and itself sends out to serving cell base stations Existing adjacent area set, the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted into Master, To cause：Master selects one or more small cell, the small that will be selected for the UE in gathering from the adjacent area that UE has found Cell marks are sent to serving cell base stations；

Serving cell base stations receive the small cell marks for UE selections that Master is sent, and institute is activated for the UE The small cell of selection.

13. according to the method for claim 12, it is characterised in that UE of the serving cell base stations to own services Send the adjacent area and find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or find When needing to provide this serving cell configuration information of adjacent area discovery signal to the UE of own services, institute is sent to the UE State adjacent area and find signal configuration information.

14. the method according to claim 12 or 13, it is characterised in that the serving cell base stations are to own services UE send the adjacent area find signal configuration information after, receive taking a step forward for the adjacent area set that the UE that UE is reported has found Including：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and returning to adjacent area set to the UE reports Ratify signaling；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

15. according to the method for claim 14, it is characterised in that actively sent out to the UE serving cell base stations Adjacent area set is sent to report the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, in the UE of own services select one or It is multiple, send adjacent area set to selected UE and report order.

16. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are anchor cell, and its feature exists In this method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, should match somebody with somebody confidence Neighboring Cell List of the breath comprising serving cell, the cycle for finding signal and the sub-frame offset for finding signal, according to the neighbour Area finds signal configuration information, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, minute book UE hairs Existing adjacent area set, and report the adjacent area itself found to gather to serving cell base stations, to cause：Serving cell bases The adjacent area set for finding UE of standing is transmitted to Master, and Master selects one or more small in gathering from the adjacent area Cell, the small cell selected for the UE marks are sent to serving cell base stations, serving cell base stations are should The selected small cell of UE activation, the adjacent area is normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds signal configuration information For：Master is sent to serving cell base stations.

17. according to the method for claim 16, it is characterised in that what the UE reception serving cell base stations were sent should Serving cell adjacent area finds to further comprise before signal configuration information：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

18. the method according to claim 16 or 17, it is characterised in that gather it in the adjacent area that the UE minute books UE has found Afterwards, report to serving cell base stations and further comprise before the set of the adjacent area itself found：

UE sends adjacent area set to serving cell base stations and reports request, receives the return of serving cell base stations afterwards Signaling is reported in adjacent area set for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

19. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are normal cell, and its feature exists In this method includes：

The adjacent area that Master sends the serving cell to serving cell anchor cell base stations finds signal configuration Information, the subframe that the configuration information includes the Neighboring Cell List of the serving cell, the cycle of discovery signal and discovery signal are inclined Shifting amount, to cause：Adjacent area discovery signal configuration information is transmitted to the serving cell base stations by anchor cell base stations, The serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE is sent out according to the adjacent area Existing signal configuration information, measure the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book UE hairs Existing adjacent area set, and report the adjacent area itself found to gather to serving cell base stations, serving cell base stations are by UE It was found that adjacent area set be transmitted to anchor cell base stations, the adjacent area that UE is found is gathered in anchor cell base stations to be transmitted to Master, the adjacent area are normal cell；

When Master receives the adjacent area set of UE discoveries, one or more small cell are selected in gathering from the adjacent area, Anchor cell base stations will be sent to for the small cell marks selected by the UE, to cause：Anchor cell base stations are The selected small cell of UE activation.

20. according to the method for claim 19, it is characterised in that the Master from the adjacent area gather in selection one or Multiple small cell include：

During Master gathers from the adjacent area that UE has found, one or more small cell are randomly choosed；

Or including：The adjacent area that Master is had found according to UE is gathered, and is triggered each neighbor base station in the set of the adjacent area and is reported and is used for RSRP reference signal is measured, receives the RSRP of the reference signal for each adjacent area that the UE sent anchor cell base stations is measured, root According to each RSRP, one or more small cell are selected for UE,

Wherein, the RSRP of the reference signal for each adjacent area that the UE that anchor cell are sent base station is measured is：Serving cell bases Issue anchor cell base stations in station.

21. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are normal cell, and its feature exists In this method includes：

The adjacent area that serving cell base stations receive this serving cell that anchor cell base stations are sent finds signal configuration Information, the subframe that the configuration information includes this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal are inclined Shifting amount, send the adjacent area to the UE of own services and find signal configuration information, to cause：UE has found signal according to the adjacent area Configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to serving cell base stations The adjacent area set itself found is reported, wherein, the adjacent area for this serving cell that anchor cell are sent base station finds signal Configuration information is：Master issues anchor cell base stations, and the adjacent area is normal cell；

Serving cell base stations receive the adjacent area set that the UE that UE is reported has found, adjacent area set is transmitted into anchor Cell base stations, to cause：Adjacent area set is sent to Master by anchor cell base stations, and Master is from the adjacent area that UE has found One or more small cell are selected in set, the small cell selected for the UE marks are sent to anchor cell Base station, anchor cell base stations are the selected small cell of UE activation.

22. according to the method for claim 21, it is characterised in that UE of the serving cell base stations to own services Send the adjacent area and find that signal configuration information is：

When serving cell base stations, which receive the adjacent area that the UE of own services sends, finds signal configuring request, or find When the configuration information of UE offers adjacent area discovery signal to own services is provided, sends the adjacent area to the UE and find that signal is matched somebody with somebody Confidence ceases.

23. the method according to claim 21 or 22, it is characterised in that the serving cell base stations are to own services UE send the adjacent area find signal configuration information after, receive taking a step forward for the adjacent area set that the UE that UE is reported has found Including：

Serving cell base stations receive the adjacent area set that the UE is sent and report request, and returning to adjacent area set to the UE reports Ratify signaling；

Or including：Serving cell base stations actively send adjacent area set to the UE and report order.

24. according to the method for claim 23, it is characterised in that actively sent out to the UE serving cell base stations Adjacent area set is sent to report the order to be：

When serving cell base stations find that the load of itself exceeds predetermined threshold value, in the UE of own services select one or It is multiple, send adjacent area set to selected UE and report order.

25. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are normal cell, and its feature exists In this method includes：

The adjacent area that anchor cell base stations receive the serving cell for this anchor cell services that Master is sent is found Signal configuration information, the configuration information include the Neighboring Cell List of the serving cell, the cycle of discovery signal and discovery signal Sub-frame offset, by the adjacent area discovery signal configuration information be transmitted to the serving cell base stations, to cause：Should Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE has found according to the adjacent area Signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to serving cell Base station reports the adjacent area set itself found, and the adjacent area set that the UE has found is transmitted to anchor by serving cell base stations Cell base stations, the adjacent area are normal cell；

Anchor cell base stations receive the adjacent area set that the UE sent serving cell base stations has found, adjacent area set is turned Master is issued, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be the UE The small cell marks of selection are sent to anchor cell base stations；

Anchor cell base stations receive the small cell marks for UE selections that Master is sent, for selected by UE activation The small cell selected.

26. a kind of cell finds method, this method is applied in LTE or LTE-A network, and in LTE or LTE-A network in Heart control unit Master possesses the interface with anchor cell base station communications, but Master does not possess and normal cell bases Stand communication interface, wherein normal cell are small cell, and serving cell are normal cell, and its feature exists In this method includes：

The adjacent area that UE receives the serving cell that serving cell base stations are sent finds signal configuration information, should match somebody with somebody confidence Neighboring Cell List of the breath comprising the serving cell, the cycle for finding signal and the sub-frame offset for finding signal, according to described Adjacent area finds signal configuration information, measures the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, record The adjacent area set that this UE has found, and report the adjacent area itself found to gather to serving cell base stations, to cause：serving The adjacent area set that UE has found is transmitted to anchor cell base stations, the neighbour that anchor cell base stations find the UE by cell base stations Area's set is transmitted to Master, and Master selects one or more small cell in gathering from the adjacent area, will be that the UE is selected Small cell marks be sent to anchor cell base stations, anchor cell base stations are the selected small of UE activation Cell, the adjacent area are normal cell；

Wherein, the adjacent area for the serving cell that the serving cell base stations that UE is received are sent finds signal configuration information For：Master is sent by anchor cell base stations to serving cell base stations.

27. according to the method for claim 26, it is characterised in that what the UE reception serving cell base stations were sent should Serving cell adjacent area finds to further comprise before signal configuration information：

UE sends adjacent area to serving cell base stations and finds signal configuring request.

28. the method according to claim 26 or 27, it is characterised in that gather it in the adjacent area that the UE minute books UE has found Afterwards, report to serving cell base stations and further comprise before the set of the adjacent area itself found：

UE sends adjacent area set to serving cell base stations and reports request, receives the return of serving cell base stations afterwards Signaling is reported in adjacent area set for approval；

Or including：UE receives the adjacent area set sent serving cell base stations and reports order.

29. a kind of centralized control unit Master, the Master are located in LTE or LTE-A network, and the Mater possess with The interface of anchor cell base station communications, while the Master possesses the interface with normal cell base station communications, wherein Normal cell are small cell, it is characterised in that the Master includes：

Adjacent area finds signal configuration sending module：The adjacent area that the serving cell are sent to serving cell base stations finds letter Number configuration information, Neighboring Cell List that the configuration information includes serving cell, find the cycle of signal and find the son of signal Frame shifting amount, to cause：Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, UE Signal configuration information is found according to the adjacent area, measures the discovery signal of each adjacent area in serving cell Neighboring Cell List, The adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, serving The set of adjacent area that UE has found is transmitted to Master by cell base stations, the serving cell be anchor cell or Normal cell, the adjacent area are normal cell；

Small cell select active module：When receiving the adjacent area set that the UE sent serving cell base stations has found, One or more small cell are selected in gathering from the adjacent area, for the selected small cell of UE activation.

30. Master according to claim 29, it is characterised in that the small cell selections active module is further For from the set of the adjacent area that UE has found, randomly choosing one or more small cell；

Or be further used for, when receiving the adjacent area set that the UE sent serving cell base stations has found, trigger the neighbour Each adjacent area in area's set reports the reference signal for measuring RSRP, receives what the UE sent serving cell base stations was measured The RSRP of the reference signal of each adjacent area, according to each RSRP, one or more small cell are selected for UE.

31. a kind of serving cell base stations, in LTE or LTE-A network, and the center control in LTE or LTE-A network Unit Master possesses the interface with anchor cell base station communications, while Master possesses and normal cell base station communications Interface, wherein normal cell are small cell, it is characterised in that the serving cell base stations include：

Adjacent area finds signal configuration provides module：The adjacent area for receiving this serving cell that Master is sent finds signal configuration Information, the subframe that the configuration information includes this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal are inclined Shifting amount, send the adjacent area to the UE of own services and find signal configuration information, to cause：UE has found signal according to the adjacent area Configuration information, measures the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to this serving cell Base station reports the adjacent area set that the UE has found, the serving cell are anchor cell or normal cell, described Adjacent area is normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, institute is activated for the UE The small cell of selection.

32. serving cell base stations according to claim 31, it is characterised in that the adjacent area finds that signal configuration carries It is further used for for module, when the adjacent area that the UE for receiving this serving cell services is sent finds signal configuring request, Or when finding that this serving cell base stations need the configuration information of the UE offers adjacent area discovery signal to own services, perform The action that the adjacent area discovery signal configuration information is sent to the UE.

33. the serving cell base stations according to claim 31 or 32, it is characterised in that the adjacent area set, which receives, to be turned Hair module is further used for, and receives the adjacent area set that the UE is sent and reports request, and the upper declaration of adjacent area set is returned to the UE Definite message or answer makes；

Or be further used for, actively sending adjacent area set to the UE reports order.

34. serving cell base stations according to claim 33, it is characterised in that the adjacent area set receives forwarding mould Block is further used for, when the load for finding this serving cell exceeds predetermined threshold value, in this serving cell services One or more is selected in UE, sending the adjacent area set to selected UE reports order.

35. a kind of UE, in LTE or LTE-A network, and the centralized control unit Master in LTE or LTE-A network possesses With the interface of anchor cell base station communications, while Master possesses the interface with normal cell base station communications, wherein Normal cell are small cell, it is characterised in that the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving cell's that serving cell base stations are sent Adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, the cycle of discovery signal and hair The sub-frame offset of existing signal, wherein, the adjacent area for the serving cell that serving cell are sent base station finds that signal is matched somebody with somebody Confidence breath sends for Master to serving cell base stations, the serving cell for anchor cell or Normal cell, the adjacent area are normal cell；

Adjacent area set measurement reporting module：The serving cell of signal configuration receiving module record adjacent area is found according to adjacent area It was found that signal configuration information, the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book UE hairs are measured Existing adjacent area set, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：The serving The adjacent area set that this UE has found is transmitted to Master by cell base stations, and Master selects one or more in gathering from the adjacent area Small cell, for the selected small cell of this UE activation.

36. UE according to claim 35, it is characterised in that the adjacent area finds that signal configuration receiving module is further used In to serving cell base stations transmission adjacent area discovery signal configuring request.

37. the UE according to claim 35 or 36, it is characterised in that the adjacent area set measurement reporting module is further used In, to serving cell base stations send adjacent area set report request, receive afterwards serving cell base stations return neighbour Signaling is reported in area's set for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.

38. a kind of Master, the Master are located in LTE or LTE-A network, and the Master possesses and anchor cell bases Standing the interface of communication, but do not possess the interface with normal cell base station communications, wherein normal cell are small cell, And serving cell are anchor cell, it is characterised in that the Master includes：

Adjacent area finds signal configuration sending module：The adjacent area that the serving cell are sent to serving cell base stations finds letter Number configuration information, Neighboring Cell List that the configuration information includes the serving cell, find the cycle of signal and find signal Sub-frame offset, to cause：Serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, UE has found signal configuration information according to the adjacent area, measures the discovery letter of each adjacent area in serving cell Neighboring Cell List Number, the adjacent area set that minute book UE has found, and report the adjacent area itself found to gather to serving cell base stations, serving The adjacent area set that UE has found is transmitted to Master by cell base stations, and the adjacent area is normal cell；

Small cell selecting modules：When receiving the adjacent area set that the UE sent serving cell base stations has found, from this One or more small cell are selected in the set of adjacent area, will be sent to for the small cell marks selected by the UE Serving cell base stations, to cause：Serving cell base stations are the selected small cell of UE activation.

39. the Master according to claim 38, it is characterised in that the small cell selecting modules are further used In, from UE find adjacent area set in, randomly choose one or more small cell；

Or be further used for, when receiving the adjacent area set that the UE sent serving cell base stations has found, trigger the neighbour Each neighbor base station in area's set reports the reference signal for measuring RSRP, receives the UE sent serving cell base stations and surveys The RSRP of the reference signal of each adjacent area obtained, according to each RSRP, one or more small cell are selected for UE.

40. a kind of serving cell base stations, in LTE or LTE-A network, and the center control in LTE or LTE-A network Unit Master possesses the interface with anchor cell base station communications, but does not possess and connect with normal cell base station communications Mouthful, wherein normal cell are small cell, and the serving cell are anchor cell, it is characterised in that should Serving cell base stations include：

Adjacent area finds signal configuration provides module：The adjacent area for receiving this serving cell that Master is sent finds signal configuration Information, the subframe that the configuration information includes this serving cell Neighboring Cell List, the cycle of discovery signal and discovery signal are inclined Shifting amount, the UE serviced to this serving cell sends the adjacent area and finds signal configuration information, to cause：UE is according to the neighbour Area finds signal configuration information, measures the discovery signal of each adjacent area in this serving cell Neighboring Cell List, and to originally Serving cell base stations report the adjacent area set itself found, and the adjacent area is normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is transmitted to Master, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be that the UE is selected Small cell mark be sent to this serving cell base stations；

Small cell active modules：The small cell marks for UE selections that Master is sent are received, are swashed for the UE Selected small cell living.

41. serving cell base stations according to claim 40, it is characterised in that the adjacent area finds that signal configuration carries It is further used for for module, when the adjacent area that the UE for receiving this serving cell services is sent finds signal configuring request, Or the adjacent area for finding to need to provide this serving cell to the UE that this serving cell are serviced finds that signal matches somebody with somebody confidence During breath, the action that the adjacent area discovery signal configuration information is sent to the UE is performed.

42. the serving cell base stations according to claim 40 or 41, it is characterised in that the adjacent area set, which receives, to be turned Hair module is further used for, and receives the adjacent area set that the UE is sent and reports request, and the upper declaration of adjacent area set is returned to the UE Definite message or answer makes；

Or be further used for, actively sending adjacent area set to the UE reports order.

43. serving cell base stations according to claim 42, it is characterised in that the adjacent area set receives forwarding mould Block is further used for, when the load for finding this serving cell exceeds predetermined threshold value, in this serving cell services One or more is selected in UE, sending the adjacent area set to selected UE reports order.

44. a kind of UE, in LTE or LTE-A network, and the centralized control unit Master in LTE or LTE-A network possesses With the interface of anchor cell base station communications, but do not possess the interface with normal cell base station communications, wherein normal Cell is small cell, and serving cell are anchor cell, it is characterised in that the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving cell's that serving cell base stations are sent Adjacent area finds signal configuration information, and the configuration information includes serving cell Neighboring Cell List, the cycle of discovery signal and hair The sub-frame offset of existing signal, wherein, the adjacent area for the serving cell that serving cell are sent base station finds that signal is matched somebody with somebody Confidence breath sends for Master to serving cell base stations, and the adjacent area is normal cell；

Adjacent area set measurement reporting module：The serving cell of signal configuration receiving module record adjacent area is found according to adjacent area It was found that signal configuration information, the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book UE hairs are measured Existing adjacent area set, and gather to the adjacent area that the serving cell base stations report this UE to find, to cause：The serving The adjacent area set that this UE has found is transmitted to Master by cell base stations, and Master selects one or more in gathering from the adjacent area Small cell, the small cell selected for this UE marks are sent to serving cell base stations, serving cell bases Stand as the selected small cell of this UE activation.

45. UE according to claim 44, it is characterised in that the adjacent area finds that signal configuration receiving module is further used In to serving cell base stations transmission adjacent area discovery signal configuring request.

46. the UE according to claim 44 or 45, it is characterised in that the adjacent area set measurement reporting module is further used In, to serving cell base stations send adjacent area set report request, receive afterwards serving cell base stations return neighbour Signaling is reported in area's set for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.

47. a kind of centralized control unit Master, the Master are located in LTE or LTE-A network, and the Master possess with The interface of anchor cell base station communications, but do not possess the interface with normal cell base station communications, wherein normal cell For small cell, and serving cell are normal cell, it is characterised in that the Master includes：

Adjacent area finds signal configuration sending module：The serving is sent to serving cell anchor cell base stations Cell adjacent area finds signal configuration information, Neighboring Cell List of the configuration information comprising the serving cell, finds signal Cycle and the sub-frame offset for finding signal, to cause：The adjacent area is found signal configuration information forwarding by anchor cell base stations The serving cell base stations are given, the serving cell base stations send the adjacent area to the UE of own services and find signal configuration Information, UE have found signal configuration information according to the adjacent area, measure each adjacent area in the Neighboring Cell List of the serving cell Discovery signal, minute book UE find adjacent area set, and to serving cell base stations report this UE find adjacent area gather, The adjacent area set that UE has found is transmitted to anchor cell base stations by serving cell base stations, and anchor cell send out UE base station Existing adjacent area set is transmitted to Master, and the adjacent area is normal cell；

Small cell selecting modules：The adjacent area set that the UE sent anchor cell base stations has found is received, is gathered from the adjacent area The middle one or more small cell of selection, anchor cell bases will be sent to for the small cell marks selected by the UE Stand, to cause：Anchor cell base stations are the selected small cell of UE activation.

48. Master according to claim 47, it is characterised in that the small cell selecting modules are further used In, from UE find adjacent area set in, randomly choose one or more small cell；

Or be further used for, when receiving the adjacent area set that the UE sent anchor cell base stations has found, trigger the adjacent area Each adjacent area in set reports the reference signal for measuring RSRP, and the UE that reception anchor cell are sent base station measures each The RSRP of the reference signal of adjacent area, according to each RSRP, one or more small cell are selected for UE, wherein, anchor cell The RSRP of the reference signal for each adjacent area that the UE that base station is sent is measured is：Serving cell issue base station anchor cell bases Stand.

49. a kind of serving cell base stations, in LTE or LTE-A network, and the center control in LTE or LTE-A network Unit Master possesses the interface with anchor cell base station communications, but does not possess and connect with normal cell base station communications Mouthful, wherein normal cell are small cell, and serving cell are normal cell, it is characterised in that should Serving cell base stations include：

Adjacent area finds signal configuration provides module：Receive the adjacent area hair for this serving cell that anchor cell base stations are sent Existing signal configuration information, the configuration information include this serving cell Neighboring Cell List, the cycle of discovery signal and discovery letter Number sub-frame offset, the UE serviced to this serving cell sends the adjacent area and finds signal configuration information, to cause：UE Signal configuration information is found according to the adjacent area, measures the discovery letter of each adjacent area in this serving cell Neighboring Cell List Number, and report the adjacent area itself found to gather to this serving cell base stations, wherein, the sheet that anchor cell are sent base station Serving cell adjacent area finds that signal configuration information is that Master issues anchor cell base stations, and the adjacent area is normal cell；

Adjacent area set receives forwarding module：The adjacent area set that the UE that UE is reported has found is received, adjacent area set is transmitted to Anchor cell base stations, to cause：Adjacent area set is sent to Master by anchor cell base stations, and Master has found from UE Adjacent area set in select one or more small cell, by small cell select for the UE identify be sent to anchor Cell base stations, anchor cell base stations are the selected small cell of UE activation.

50. serving cell base stations according to claim 49, it is characterised in that the adjacent area finds that signal configuration carries It is further used for for module, when the adjacent area that the UE for receiving this serving cell services is sent finds signal configuring request, Or when finding to need the configuration information to this serving cell UE offers adjacent area discovery signals serviced, perform described to institute State UE and send the action that the adjacent area finds signal configuration information.

51. the serving cell base stations according to claim 49 or 50, it is characterised in that the adjacent area set, which receives, to be turned Hair module is further used for, and receives the adjacent area set that the UE is sent and reports request, and the upper declaration of adjacent area set is returned to the UE Definite message or answer makes；

Or be further used for, actively sending adjacent area set to the UE reports order.

52. serving cell base stations according to claim 51, it is characterised in that the adjacent area set receives forwarding mould Block is further used for, when the load for finding this serving cell exceeds predetermined threshold value, in this serving cell services One or more is selected in UE, sending the adjacent area set to selected UE reports order.

53. a kind of anchor cell base stations, in LTE or LTE-A network, and the center control in LTE or LTE-A network Unit Master possesses the interface with anchor cell base station communications, but does not possess and connect with normal cell base station communications Mouthful, wherein normal cell are small cell, and serving cell are normal cell, it is characterised in that should Anchor cell base stations include：

Adjacent area finds signal configuration forwarding module：Receive the serving cell for this anchor cell services that Master is sent Adjacent area find signal configuration information, the configuration information include the serving cell Neighboring Cell List, find signal cycle With the sub-frame offset for finding signal, adjacent area discovery signal configuration information is transmitted to the serving cell base stations, so that ：The serving cell base stations send the adjacent area to the UE of own services and find signal configuration information, and UE is according to the neighbour Area finds signal configuration information, the discovery signal of each adjacent area in measurement serving cell Neighboring Cell List, and to serving Cell base stations report the adjacent area set that this UE has found, the adjacent area set that the UE has found is transmitted to by serving cell base stations Anchor cell base stations, the adjacent area are normal cell；

Gather forwarding module in adjacent area：The adjacent area set that the UE sent serving cell base stations has found is received, the adjacent area is gathered Master is transmitted to, to cause：Master selects one or more small cell in gathering from the adjacent area that UE has found, will be should The small cell marks of UE selections are sent to anchor cell base stations；

Small cell active modules：The small cell marks for UE selections that Master is sent are received, are activated for the UE Selected small cell.

54. a kind of UE, in LTE or LTE-A network, and the centralized control unit Master in LTE or LTE-A network possesses With the interface of anchor cell base station communications, but do not possess the interface with normal cell base station communications, wherein normal Cell is small cell, and serving cell are normal cell, it is characterised in that the UE includes：

Adjacent area finds signal configuration receiving module：Receive and record the serving cell's that serving cell base stations are sent Adjacent area find signal configuration information, the configuration information include the serving cell Neighboring Cell List, find signal cycle and It was found that the sub-frame offset of signal, wherein, the adjacent area for the serving cell that serving cell are sent base station finds signal Configuration information is what Master was sent by anchor cell base stations to serving cell base stations, and the adjacent area is normal cell；

Adjacent area set measurement reporting module：The serving cell of signal configuration receiving module record adjacent area is found according to adjacent area It was found that signal configuration information, the discovery signal of each adjacent area in the Neighboring Cell List of the serving cell, minute book UE are measured It was found that adjacent area set, and to serving cell base stations report this UE find adjacent area gather, to cause：serving cell The adjacent area set that this UE has found is transmitted to anchor cell base stations, the adjacent area that anchor cell base stations find this UE by base station Set is transmitted to Master, and Master selects one or more small cell in gathering from the adjacent area, by what is selected for this UE Small cell marks are sent to anchor cell base stations, and anchor cell base stations are the selected small of this UE activation cell。

55. UE according to claim 54, it is characterised in that the adjacent area finds that signal configuration receiving module is further used In to serving cell base stations transmission adjacent area discovery signal configuring request.

56. the UE according to claim 54 or 55, it is characterised in that the adjacent area set measurement reporting module is further used In, to serving cell base stations send adjacent area set report request, receive afterwards serving cell base stations return neighbour Signaling is reported in area's set for approval；

Or be further used for, receive the adjacent area set sent serving cell base stations and report order.