CN104796930A

CN104796930A - Cell processing method and device

Info

Publication number: CN104796930A
Application number: CN201410109796.4A
Authority: CN
Inventors: 莫林梅; 赵亚军; 徐汉青; 高永红; 帕特里克·斯维德曼; 陈玉芹
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2014-01-17
Filing date: 2014-03-21
Publication date: 2015-07-22
Also published as: WO2015106543A1

Abstract

The invention discloses a cell processing method. The method comprises the step that in the process of performing on/off operation by a cell, user equipment (UE) belonging to the cell does not migrate to other cells and keeps an invariable association with the cell. The invention also discloses a cell processing device. The device comprises a resident processing module. The resident processing module is used for controlling the UE belonging to the cell in order to enable the UE not to migrate to other cells and to keep the invariable association with the cell in the process of performing on/off operation by the cell.

Description

A kind of community processing method and device

Technical field

The present invention relates to mobile communication technology field, particularly relate to a kind of community processing method and device.

Background technology

Small-cell (Small Cell) technology adopts lower powered radio access node, can be used for the coverage expanding macrocell (Macro Cell), the data traffic that shunting macrocell is growing, improves the service efficiency of radio spectrum resources.Senior Long Term Evolution (LTE-Advanced) system have employed Small Cell technology, improves network capacity.

The Small Cell deployment scenario of LTE network can be made up of macrocell and two, small-cell aspect.LTE system is an interference limiting system, there is complicated interference relationships between macrocell and small-cell, between small-cell and small-cell.Each community is the Terminal Service in community by respective dynamic dispatching.In addition, along with the movement of user terminal (UE), can ceaselessly have UE to move into, shift out small-cell, load and the interference of Small Cell system can present obvious fluctuation.Small-cell self-adaptive switch mechanism is a kind of effective disturbance coordination method under Small Cell scene, and its basic thought adaptively to open, closes the too low small-cell of some loads, to reduce presence of intercell interference.Activate small-cell and normally send data channel and common signal channel; Data channel and part common signal channel are then closed in dormancy small-cell.Close community also referred to as dormant cell.

Generally, if the Serving cell of certain UE is on/off(opening/closing) enable small-cell, and non-dual link scene or carrier aggregation (CA, Carrier Aggregation) scene, be individual cell (Standalone community) scene.If this small-cell is closed (off), the UE usually resided on this small-cell needs first to switch away.But following situation may be there is, namely this UE does not temporarily have data service, has but still been switched to neighbor cell; By the time when this UE has data service to arrive, according to the measurement result of UE, still this off small-cell can may be elected as best server cell, namely UE this small-cell that may trigger the activation provides service for oneself, and switch back, after service ending, this small-cell may be closed again, and UE will be switched away again.Namely may cause ping-pong and frequently switch.

On the other hand, LTE supports discontinuous transmission (DTX, Discontinuous Transmission) and discontinuous reception (DRX, Discontinuous Reception), to reach energy-conservation object.DTX community only sends master sync signal (PSS on the specific cycle, Primary Synchronization Signal)/auxiliary synchronous signals (SSS, Secondary Synchronous Signal) control signal such as/community own reference signal (CRS, Cell-specificReference Signal); Correspondingly, DRX UE can correspondingly the cycle gets on to monitor community.DRX is Supporting connectivity state UE(RRC-Connected UE simultaneously) and Idle state UE(RRC-IDLEUE).

Under the on/off situation of small-cell, if connected state UE/ Idle state UE still resides in this small-cell, partly can continue to use existing DTX/DRX mechanism, but still how the small-cell that faces closure is carried out paging, how to be opened, to provide the problems such as service for UE.Current mechanism does not provide corresponding solution.

Therefore, be necessary to propose a kind of community processing method, to meet the resident demand of the lower UE of some business demands, avoid occurring the frequent ping-pong switched.

Summary of the invention

For solving above technical problem, embodiments provide a kind of community processing method and device.

Embodiments provide a kind of community processing method, the method comprises:

Community performs opens in the process of shutoff operation, and the user terminal UE belonging to described community does not move to other community, and what remain unchanged with described community associates.

Wherein, the method also comprises:

Support that the community of self adaptation opening/closing allows the connected state UE temporarily not having business to reside in this community.

Wherein, the method also comprises:

When described community enters dormant state, data transfer management and/or mobile management are carried out to the connected state UE in described community.

Wherein, the method also comprises:

When described community enters dormant state, paging process is carried out to the Idle state UE in described community.

Wherein, described connected state UE is normal condition or is configured to discontinuous reception DRX state.

Wherein, the method also comprises:

For single cell serves scene, the UE of described cell serves keeps being connected with the radio resource control RRC of described community, is not switched to other community; Or

For carrier aggregation scene, if described community is auxiliary community SCell, described community remains the SCell of described UE; Or

For dual link scene, the base station of described community remains the prothetic group station of described UE/auxiliary set of cells, and the dominant base MeNB of described community not belonging to described UE deletes, and can keep activated state, also can be deactivation status.

Wherein, the method also comprises:

When described community is the community at the auxiliary community of single community and/or spectrum aggregating and/or the prothetic group station of dual link, community open and/or closed information issues UE by described community by control channel.

Wherein, a control information of described control channel is received by the some or all of UE in community simultaneously.

Wherein, described control channel is the control channel of the public search space transmission of control domain.

Wherein, described control channel is DCI3 and/or DCI3a.

Wherein, the Radio Network Temporary Identifier RNTI that described control channel adopts is described community lower part or RNTI that all UE is public.

Wherein, the described community lower part that adopts of described control channel or RNTI that all UE is public are one of following RNTI:

System message Radio Network Temporary Identifier SI-RNTI, pager wireless net network temporary mark P-RNTI, transmitting power control Radio Network Temporary Identifier TPC-RNTI, the new RNTI introduced.

Wherein, the method also comprises: discontinuous reception DRX configuration is carried out to temporarily not having the connected state UE of business in this community in the described community preparing to close.

Wherein, the method also comprises: the discovery signal DS that each community obtains this community in the following manner configures:

Each community configures from main separation DS; Or

Each community from main separation DS configuration, and by selected DS configuration notification to main control unit, accepts the amendment that described main control unit configures selected DS; Or

Each community is from main separation DS configuration, and by selected DS configuration notification to other relevant communities, multiple cell is modified to selected DS configuration after coordinating; Or

Each community from main separation DS configuration, and by selected DS configuration notification to main control unit and other relevant communities, accepts the amendment that described main control unit configures selected DS; Or

Receive the DS configuration that described main control unit is the unified distribution of each community;

Wherein, described DS configuration comprises: DS transmission cycle, DS transmitted power, DS send the running time-frequency resource taken.

Wherein, the method also comprises: configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

Wherein, described reference signal comprises master sync signal PSS, auxiliary synchronous signals SSS, community own reference signal CRS, channel status instruction reference signal CSI-RS.

Wherein, the method also comprises: described community by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

Wherein, described DRX configuration comprises: DRX cycle, active period, rest period;

Wherein, described DRX cycle need meet the following conditions:

Described DRX cycle and described DS send the cycle common divisor;

There are common divisor in described DRX cycle and described reference signal except DS transmission cycle in the dormant state.

Wherein, described data transfer management is carried out to the connected state UE in community, comprises the downlink data performing connected state UE in described community in such a way and send management:

Active period in described DRX configuration, notify to the connected state UE in described community the relevant information that described community is opened by radio resource control RRC signaling or physical downlink control channel PDCCH instruction, comprise community and open instruction, community opening time and cell system parameter lastest imformation; Described community is opened immediately while notifying to described connected state UE, or in community described in Time Delay Opening after described UE notice;

If open described community immediately, then start transmitting channel state instruction reference signal CSI-RS immediately; If community described in Time Delay Opening, then while notifying to described connected state UE, send CSI-RS or start to send CSI-RS or select the moment of opening between the moment in the moment and described community that notify described connected state UE to send CSI-RS at next active period.

Wherein, described PDCCH instruction comprises Downlink Control Information DCI format 1A or new DCI, and advice method is:

Connected state UE in described dormant state community receives the PDCCH that community sends, and namely implicit expression community is opened, and has downlink data to arrive, and UE need prepare downlink data receiving;

Or except the lead code triggering Physical Random Access Channel PRACH in the DCI format 1A that PDCCH carries, also increase the bit of bit and the indicating cell opening time opened indicating cell, indicating cell is about to open and open the moment;

Or PDCCH carries new DCI, described DCI comprises the bit of bit and the indicating cell opening time opened indicating cell, and indicating cell is about to open and open the moment.

Wherein, the method comprises further: for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation discharged.

Wherein, described data transfer management is carried out to the connected state UE in community, comprises the upstream data performing connected state UE in described community in such a way and send management:

After the service request receiving described connected state UE initiation, receive the upstream data of described connected state UE; Or, after the random access request receiving described connected state UE initiation, complete the Stochastic accessing of described connected state UE, receive the upstream data of described connected state UE subsequently.

Wherein, described mobile management is carried out to the connected state UE in community, comprising:

The uplink receiving controlling the described community of dormant state is opened always or is only opened in the predetermined moment that reports, to receive the measurement result that described connected state UE reports; According to the measurement result that described connected state UE reports, perform the switching of described connected state UE at described active period.

Wherein, describedly paging process carried out to the Idle state UE in community comprise:

When described community enters dormant state, paging, when receiving the paging information to described Idle state UE that other communities send, is initiated to described Idle state UE in the described community controlling dormant state; Or,

The described community controlling dormant state, when receiving the paging information to described Idle state UE that other communities send, starts the activation process of the described community for dormant state, and the described community after activation provides downlink data service for described Idle state UE.

The embodiment of the present invention additionally provides a kind of cell handling device, and this device comprises:

Resident processing module, open in the process of shutoff operation for performing in community, the user terminal UE controlled belonging to described community does not move to other community, and what remain unchanged with described community associates.

Wherein, described resident processing module is further used for, in the community supporting self adaptation opening/closing, allow the connected state UE temporarily not having business to reside in this community.

Wherein, this device also comprises:

Administration module, for when described community enters dormant state, carries out data transfer management and/or mobile management to the connected state UE in described community.

Wherein, described administration module is further used for, and when described community enters dormant state, carries out paging process to the Idle state UE in described community.

Wherein, described resident processing module is further used for,

For single cell serves scene, the UE controlling described cell serves keeps being connected with the radio resource control RRC of described community, is not switched to other community; Or

Wherein, described resident processing module is further used for, and when described community is the community at the auxiliary community of single community and/or spectrum aggregating and/or the prothetic group station of dual link, community open and/or closed information is issued UE by described community by control channel.

Wherein, described control channel is DCI3 and/or DCI3a.

Wherein, the described community lower part that adopts of described control channel or RNTI that all UE is public be one of following RNTI: SI-RNTI, TPC-RNTI, P-RNTI, the new RNTI introduced.

Wherein, also comprise: configuration module, for carrying out discontinuous reception DRX configuration in the described community preparing to close to temporarily there is no the connected state UE of business in this community.

Wherein, described configuration module is further used for, and the discovery signal DS obtaining this community for each community in the following manner configures:

For each community configures from main separation DS; Or

For each community is from main separation DS configuration, and by selected DS configuration notification to main control unit, accept the amendment that described main control unit configures selected DS; Or

For each community is from main separation DS configuration, and by selected DS configuration notification to other relevant communities, multiple cell is modified to selected DS configuration after coordinating; Or

For each community is from main separation DS configuration, and by selected DS configuration notification to main control unit and other relevant communities, accept the amendment that described main control unit configures selected DS; Or

Wherein, described configuration module is further used for, and configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

Wherein, this device also comprises notification module, for by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

Wherein, described DRX cycle need meet the following conditions:

Described DRX cycle and described DS send the cycle common divisor;

Or except the lead code triggering Physical Random Access Channel PRACH in the DCI format 1A that PDCCH carries, also increase the bit of bit and the indicating cell opening time opened indicating cell, indicating cell is about to open and open the moment.

Or PDCCH carries new DCI, this DCI comprises the bit of bit and the indicating cell opening time opened indicating cell, and indicating cell is about to open and open the moment.

Wherein, described administration module is further used for, and for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation is discharged.

Wherein, mobile management is carried out to the connected state UE in community, comprising:

A kind of community processing method that the embodiment of the present invention provides and device, configuration different districts is coordinated configuration and is found that signal sends pattern, avoids each community to find to there is interference between signal; Propose when community is closed, the connected state UE do not switched away and the processing method of Idle state UE simultaneously.Compared with prior art, avoid and find that signal disturbs mutually, and avoid the unnecessary frequent switching of UE, improve system effectiveness.

Accompanying drawing explanation

Fig. 1 is the flow chart of a kind of community processing method of the embodiment of the present invention;

Fig. 2 is the DS cycle of the embodiment of the present invention and the relation schematic diagram of DRX cycle;

Fig. 3 is the refinement flow chart of a kind of community processing method of the embodiment of the present invention;

Fig. 4 is connected state UE under embodiment of the present invention Zhong Dui community active period schematic diagram when carrying out mobile management;

Fig. 5 is the structural representation of a kind of cell handling device of the embodiment of the present invention.

Embodiment

Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.

A kind of community processing method that the embodiment of the present invention provides, comprising: community performs opens in the process of shutoff operation, and the user terminal UE belonging to described community does not move to other community, and what remain unchanged with described community associates.

In the specific implementation, as shown in Figure 1, the executive agent of the method is the base station of community, and method comprises:

Step 101, supports that the community of self adaptation opening/closing allows the connected state UE temporarily not having business to reside in this community.

Step 103, when described community enters dormant state, carries out data transfer management and/or mobile management to the connected state UE in described community.

Described connected state UE is normal condition or is configured to discontinuous reception DRX state.

The method also comprises:

For single cell serves scene, the UE of described cell serves keeps being connected with the wireless heterogeneous networks (RRC) of described community, is not switched to other community; Or

For carrier aggregation scene, if described community is auxiliary community SCell, described community can remain the SCell of described UE, and preferably, described SCell can keep activated state, also can be configured to deactivated state; Or

For dual link (Dual-connectivity) scene, the base station of described community remains the prothetic group station/auxiliary set of cells (SeNB/SCG) of described UE, described community can not be deleted by the dominant base MeNB belonging to described UE, can keep activated state, also can be deactivation status.

Embodiment is exemplified below:

If on/off operation is carried out in community, the relevant information of the on/off operation of community described in notifications UE, information can comprise on/off state, the discontinuous transmission configuration information in community, community discovery signal (DiscoverySignal, DS) pattern; The relevant information of on/off operation can be sent by the Serving cell of UE, macrocell, community that certain is specified.

Described community discontinuous transmission configuration information can comprise: CRS sends information, control channel sends information (PDCCH and/or ePDCCH), community finds signal message, discrete transmission pattern etc.; Wherein CRS may be used for downlink synchronization tracking and control channel demodulation; Community finds that signal can appear at discontinuous transmission subframe, also can appear at other subframe, may be used for this adjacent cell UE to the discovery of described community and measurement; The on/off state information that control channel may be used for sending community (such as, is opened the state of closedown, is opened the time of closedown.

When described community is in discontinuous state, send based on discontinuous state configuration information; Described UE carries out measurement and detection based on discontinuous state configuration information.Specific as follows:

When being in DTX_ON state, described community can send in following signal one or more: CRS, DS, PDCCH and/or ePDCCH; Described UE for community the RS signal sent out measure, and detect PDCCH and/or ePDCCH that may occur.

Preferably,

For single cell serves scene, PDCCH and/or ePDCCH is sent by described community;

For carrier aggregation scene, described community is that SCell, PDCCH and/or ePDCCH are sent by described community, also can be sent by the PCell of described UE;

For dual link scene, affiliated subdistrict is subordinate to SeNB/SCG; PDCCH and/or ePDCCH is sent by described community, also can be sent by the PCell of described UE, or be sent by the PCell of SCG, or by MeNB;

If community prepares to open, then PDCCH and/or ePDCCH sent by the DTX_ON moment is carried the state information got off to issue UE community and open by community, also can comprise temporal information, the uplink random access information opened; Uplink random access information object allows UE send uplink random access signal, carries out uplink synchronous.

For single cell serves scene, UE can keep being connected with the RRC of described community, other community can not be switched to, UE Hui community OFF state is measured DS signal, its measurement result such as RSRP and/or RSRQ measuring gained can report community after community is opened, and described community is opened information and can be carried out RRM measurement as triggering UE and report;

For carrier aggregation scene, described community is that SCell, UE Hui community OFF state is measured DS signal, and it measures main plot (the Primary cell that the measurement results such as RSRP and/or RSRQ of gained can report UE, PCell), also after SCell opens, SCell can be reported again;

For dual link scene, affiliated subdistrict is subordinate to SeNB/SCG, UE Hui community OFF state is measured DS signal, it measures the measurement results such as gained RSRP and/or RSRQ, if described community is the PCell of SCG, the MeNB/MCG of UE can be reported, also after SeNB opens, SeNB can be reported again; If described community is the SCell of SCG, the MeNB/MCG of UE can be reported, also can report the PCell of described SCG, also can report described community again after described community is opened.

The method also comprises: when described community is the community at the auxiliary community of single community and/or spectrum aggregating and/or the prothetic group station of dual link, and community open and/or closed information issues UE by described community by control channel.

A control information of described control channel is received by the some or all of UE in community simultaneously.

Described control channel can be the control channel of the public search space transmission of control domain.

Described control channel can be DCI3 and/or DCI3a.

The Radio Network Temporary Identifier (RNTI, Radio Network TemporaryIdentifier) that described control channel adopts is described community lower part or RNTI that all UE is public.

The described community lower part that described control channel adopts or the RNTI that all UE is public are one of following RNTI: system message RNTI(SI-RNTI, System information), paging RNTI(P-RNTI, Paging RNTI), transmitting power control RNTI(TPC-RNTI, Transmission PowerControl-RNTI) power control RNTI, or the new RNTI introduced.

In one embodiment, before described community enters dormant state, the method also can comprise step 102, and DRX configuration is carried out to temporarily not having the connected state UE of business in this community in the described community preparing to close.

Accordingly, step 103 is: when described community enters dormant state, carries out data transfer management and/or mobile management according to described DRX configuration to the connected state UE in described community.

In one embodiment, before described community enters dormant state, the method also comprises: the discovery signal DS that each community obtains this community in the following manner configures:

Each community configures from main separation DS; Or

Wherein, described DS configuration comprises: DS transmission cycle, DS transmitted power, DS send the running time-frequency resource taken; Described main control unit can be one of them in macrocell or each relevant small-cell.

In one embodiment, the method also comprises: configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

Wherein, described reference signal comprises PSS, SSS, CRS, CSI-RS.

Send described reference signal for subsidiary during cell dormancy state, subsidiary comprises: UE carries out synchro measure and tracking based on the described reference signal that the cycle sends, and UE also can carry out RRM measurement based on described reference signal, and that measures as DS supplements.

The method also comprises: described community by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

In addition, temporarily do not have the connected state UE of business to carry out DRX configuration to all under same community, described DRX configuration comprises: DRX cycle, active period, rest period.

The DRX cycle configuration demand fulfillment of UE: there are common divisor in DRX cycle and DS cycle, to ensure receive discovery signal at the activator appliance of UE.As shown in Figure 2, specifically comprise:

1) the DS cycle is identical with DRX cycle;

2) the DS cycle is the multiple of DRX cycle;

3) the DS cycle is the approximate number of DRX cycle;

4) the DS cycle is different from DRX cycle, but has common divisor.

UE DRX cycle configuration goes back demand fulfillment: DRX cycle and other cycle reference signals have common divisor, to ensure receive other reference signals at the activator appliance of UE, for synchronously maintenance, synchronized tracking, measurement assist etc. object.Specifically comprise:

1) other cycle reference signals are identical with DRX cycle;

2) other cycle reference signals are multiples of DRX cycle;

3) other cycle reference signals are approximate numbers of DRX cycle;

4) other cycle reference signals are different from DRX cycle, but have common divisor.

In one embodiment, data transfer management is carried out to the connected state UE in community, comprises the downlink data performing connected state UE in described community in such a way and send management:

Active period in described DRX configuration, notify to the connected state UE in described community the relevant information that described community is opened by wireless heterogeneous networks (RRC) signaling or Physical Downlink Control Channel (PDCCH) instruction, community can be comprised and open instruction, community opening time and cell system parameter lastest imformation etc.; Described community is opened immediately while notifying to described connected state UE, or in community described in Time Delay Opening after described UE notice;

If open described community immediately, then start transmitting channel state instruction reference signal (CSI-RS) immediately; If community described in Time Delay Opening, then while notifying to described connected state UE, send CSI-RS or start to send CSI-RS or select the moment of opening between the moment in the moment and described community that notify described connected state UE to send CSI-RS at next active period.

Described PDCCH instruction comprises Downlink Control Information DCI format 1A or new DCI, and advice method is:

Or, except the lead code triggering Physical Random Access Channel PRACH in the DCI format 1A that PDCCH carries, also increase the bit opened indicating cell, and the bit of indicating cell opening time, specify indicating cell and be about to open and open the moment.

Or PDCCH carries new DCI, this DCI comprises the bit of bit and the indicating cell opening time opened indicating cell, specifies indicating cell and is about to open and open the moment.

The method comprises further: for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation discharged.

In one embodiment, described data transfer management is carried out to the connected state UE in community, comprises the upstream data performing connected state UE in described community in such a way and send management:

In one embodiment, described mobile management is carried out to the connected state UE in community, comprising:

The uplink receiving controlling the described community of dormant state is opened always or is only opened, to receive the measurement result that described connected state UE reports in the predetermined moment (active period such as, in described DRX configuration) that reports; According to the measurement result that described connected state UE reports, perform the switching of described connected state UE at described active period.

In one embodiment, describedly paging process carried out to the Idle state UE in community comprise:

Below in conjunction with Fig. 3, the refinement flow process of the community processing method of the embodiment of the present invention is described in detail, as shown in Figure 3, mainly comprises:

Step 301, each cell coordination configuration finds that signal sends pattern.

For avoiding finding mutually to disturb between signal, each community should be coordinated configuration and be found that signal sends pattern (DSpattern), can adopt following configuration mode:

Mode one, from main separation, each community finds that signal sends pattern, selected discovery signal is sent pattern and informs to main control unit/other communities, main control unit acceptable cell is selected or is redistributed or require that having selection to community modifies, inter-cell coordination (comprising dummy argument configuration, low-power transmission etc.); Each community can in all DS pattern unrestricted choice, also can select in the resource pool reserved for this community;

Illustrate: cooperation cell set comprises community C ₁, C ₂..., C _n, outside the set of cooperation cell, have community M ₁, community C ₁user terminal U is had under covering ₁; Available DS configuration set (namely finding that signal sends the set of pattern) is { P ₁, P ₂..., P _m, community C ₁, C ₂..., C _ndS is selected to configure P respectively ₁, P ₂..., P _m, DS configuration can comprise that DS sends the cycle, DS transmitted power, DS send the information such as the running time-frequency resource taken.The DS configuration notification that Ke Jiangzhe community, each community is selected is to main control unit, and main control unit can be the community C needing cooperation ₁, C ₂..., C _nin a community Ci, also can be cooperation cell set outside community M ₁.After main control unit receives the DS configuration of each community, need the selection examining or check each community successively whether appropriate, and carry out respective handling.

If the DS configuration of certain community is less to the interference of other communities, such as DS transmitted power be less than a certain predetermined value and/or be less than a certain predetermined value from the RE number that other communities DS collides and/or the sequence resources used different with other communities, then can directly accept this community select DS configuration;

If the DS configuration of certain community is larger to the interference of other communities, resource element (the RE that such as DS transmitted power is greater than a certain predetermined value TP1 and/or collides with other communities DS, Resource Element) number be greater than a certain predetermined value RE1 and/or the sequence resources that uses identical with other communities, the DS of Ze Keduigai community configures and carries out certain amendment; Described modification as, can advise/require that this community reduces DS transmission power value, and/or adjust this community DS and send the running time-frequency resource used, and/or change the sequence resources etc. used;

If the DS configuration of certain community is excessive to the interference of other communities, such as DS transmitted power be greater than a certain predetermined value TP2 and/or be greater than a certain predetermined value RE2 with the RE number that other communities DS collides and/or the sequence resources used identical with other communities, then can refuse this community and select this DS to configure; Ke Yougai community reselects a DS configuration, or is directly that the DS that this cell allocation one is suitable configures by main control unit, reselects the time delay of repeatedly shaking hands again declared and cause to avoid community.

Mode two, distributed unitedly by main control unit and find that signal sends pattern, main control unit needs the history service situation considering each community, and the factors such as the service conditions of this region, community are cell allocation DSpattern.

Such as, certain community current operation burden is comparatively light, then suitably can improve the DS transmitted power of this community, so that this community is more easily found by UE and selects.During distribution, need the running time-frequency resource by each community DS takies to stagger, DS sequence resources staggers as far as possible as far as possible.

It should be noted that, in aforesaid way one, two, the DS of each community configuration can be sent to other communities, so that interference coordination is done in other communities.

In addition, aforesaid way one and mode two also can be combined, and namely main control unit centralized distribution and each community combine from main separation.

Step 302, carries out DRX configuration to temporarily not having the connected state UE of business.

Carry out DRX configuration to UE, the content of configuration can comprise DRX cycle (DRX cycle), active period (On Duration), rest period (Opportunity for DRX).

UE enters DRX state according to DRX configuration, and within the time of " On Duration " (active period), UE monitors and receives Physical Downlink Control Channel (PDCCH, Physical Downlink ControlChannel); At " Opportunity for DRX " in the time (rest period), UE does not receive the data of down channel to save power consumption.

All UE under same community should carry out identical DRX configuration, facilitate community correspondingly to carry out single DTX and send.

Step 303, community is closed according to network condition, and enters OFF/DTX state.

Each community can associate situation, determine whether carry out switch with or without factors such as packet arrival according to loading condition, UE.Shutoff operation is carried out after determining closedown.

Community is done following process to the UE in community: for the current UE having business, is needed to be switched to other communities as early as possible before closing; For the current temporary transient UE arrived without data service, can select to be switched to other communities, also can not switch, namely wireless heterogeneous networks (RRC, the Radio ResourceControl) connection of these UE still remains on this community.Community need notify that those are not switched away, still reside in the UE of this community before closing, and this community is about to close, and enters OFF/DTX state.

The community entering OFF/DTX state sends according to the DS cycle and finds signal, in addition, can send PDCCH as required according to the DRX Cycle of UE.

Step 304A, for the connected state UE do not switched away, carries out downlink data as follows and sends management:

For down link, the initial stage is closed in community, and UE does not have data, can wake up at the active period of UE in community, and send as reference signals such as PSS/SSS/CRS, UE can utilize these signals to carry out down-going synchronous detection, and maintenance is synchronous with community.

If there is new data packets to arrive, community needs to activate, to provide service for UE.The relevant information that community is opened in the active period notifying cell of UE.The mode that community is opened can be open immediately, opens community at once while namely notifying UE; Also can be Time Delay Opening, namely in the relevant information that the active period notice UE community of UE is opened, open community more after waiting a predetermined period.

The mode of the relevant information that notice UE community is opened can be:

1) RRC signaling;

Community is about to open by RRC signaling UE community, and notifies the opening time information of UE community; Notification message can comprise the temporal information opened community by explicitly, also can implicitly comprise the temporal information opened, and namely UE is at n reception to opening announcement information, and the n+k moment then after a predetermined k time quantum opens.

2) PDCCH information is sent;

Community is also by sending PDCCH order(PDCCH instruction to UE) notify that information is opened in UE community.Community sends PDCCH order to UE, wherein comprise DCI format 1A or brand-new DCI, for UE distributes Physical Random Access Channel (PRACH, Physical Random Access Channel) lead code (preamble), trigger UE and use this lead code to carry out non-competing Stochastic accessing.

It should be noted that, if community is opened immediately, then start transmitting channel state instruction reference signal (CSI-RS immediately, Channel State Indication Reference Signal), channel quality instruction (CQI is carried out for UE, Channel Quality Indicator)/pre-coding matrix instruction (PMI, Precoding MatrixIndicator)/order instruction channel information measurement such as (RI, Rank Indication).

If community Time Delay Opening, then can select to send CSI-RS immediately or start send CSI-RS or notifying that starting sometime between moment and the moment of opening sends CSI-RS at next DRX active period.So, the time that community starts to send CSI-RS also needs to inform UE, and community can inform UE when sending RRC signaling or PDCCH information to UE.After UE receives the relevant information opened community, whether terminate DRX state and depend on type of service; If the type of service of UE is continuous business, then DRX state should be terminated, if the type of service of UE is discontinuous traffic, then DRX state can be kept.

The UE be under OFF/DTX community receives community PDCCH, and namely implicit expression community is opened, and has downlink data to arrive, and UE needs to prepare downlink data receiving;

Or, in the DCI format that PDCCH carries except triggering the lead code of PRACH, the bit that indicating cell is opened can be increased, and the bit of indicating cell opening time.

After UE receives PDCCH, initiating random access procedure, and prepare to receive the downlink data issuing oneself after successfully accessing.

Step 304B, for the connected state UE do not switched away, carries out upstream data as follows and sends management:

For up link, connected state UE has RRC to connect, once there be upstream data bag to arrive, UE can proceed as follows:

If business dwell time is shorter than a certain predetermined value, uplink synchronous still keeps, then UE can send buffer status report (BSR, Buffer Status Report), initiating business request;

If business dwell time is longer than a certain predetermined value, may occur uplink loss situation, UE need initiate the Stochastic accessing competed.The Stochastic accessing of competition divides four steps to complete:

The first step, UE sends lead code to the base station of community;

Second step, the base station of community sends accidental access response to UE;

3rd step, UE transmission C-RNTI control unit and BSR control unit are to the base station of community;

4th step, the base station of community sends competition resolution to UE.

Because the communicty preambel code resource being in OFF/DTX state is idle, and the DRX UE number that may exist can not be many, also PDCCH order can periodically be sent by base station at the active period of UE, trigger UE and send non-competing RACH, to maintain uplink synchronous, shorten the stand-by period after upstream data arrival.Further, fixing lead code can also be distributed to UE, after community is opened, need the lead code of fixed allocation to discharge.Adopt this scheme, when there being upstream data to arrive, UE directly sends BSR.

Step 305A, for the Idle state UE do not switched away, called as follows:

For the situation that Idle UE is called, two kinds of modes of operation can be had:

Mode one, off state cell receives the paging information that this cell i dle UE is issued in other communities, even if under being in off state, also initiatively can initiate paging to idle UE.

Idle UE receives paging information and first carries out UE mark (ID) coupling later, if in beep-page message with UE ID list contain oneself UE ID, then can judge that this beep-page message is in calling oneself;

Secondly, the idle UE receiving paging information needs to carry out paging mark (Paging ID) and judges, if Paging ID is international mobile subscriber identity (IMSI, International Mobile SubscriberIdentification Number), then represent that this paging is once abnormal calling, for the Fault recovery of network side, terminal needs again to do once attachment (Attach) process in such cases; If indicate Paging ID to be the Temporary Mobile Subscriber Identity (S-TMSI of System Architecture Evolution in beep-page message, System ArchitectureEvolution-Temporary Mobile Subscriber Identification), then represent that this paging is a normal service call, Idle UE needs off community further for oneself providing downlink data service, therefore need to send up PRACH message, activate off community, so that for Idle UE provides Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel) to serve.

Mode two, off state cell receives other communities when issuing the paging information of this cell i dle UE, thinks that this is a trigger event activating this community, starts activation process, switch to state of activation, to provide downlink data service for UE.

Step 305B, for the Idle state UE do not switched away, makes a call as follows:

Idle UE is needed to the situation made a call, can operate as follows:

When Idle UE needs to make a call, initiate random access request to off community, the PRACH message that off community response IdleUE sends, send RACH Response to Idle UE, imply and represent that community is opened.The state updating of Idle UE is activated state (Active), can make a call.In addition, off community, according to the business demand of UE, considers other network factors, changeable for opening (on) state, to provide service for UE.

A kind of feasible flow process is:

Idle UE sends RACH message, if dormant cell determines to open after receiving the RACH message of UE transmission, then start community activation process, the community after activation can send PRACH response to UE, if dormant cell can not be opened, then do not send PRACH response to Idle UE;

After UE waits for predetermined time, if receive the RACH response of base station transmission, namely implicit expression community is opened, and can receive the upstream data of UE; Its state updating can be activated state (Active) and initiate paging by Idle UE;

If UE does not receive the PRACH response that base station sends after waiting for predetermined time, PRACH message can be resend, until receive PRACH response; If after UE repeats the PRACH message of transmission pre-determined number, still do not receive PRACH response, then should initiate cell reselection.

Step 306, for the connected state UE do not switched away, mobile management can be carried out as follows:

Connected state UE may have switching demand, therefore needs to carry out RRM (RRM, Radio Resource Management) measurement to this community and adjacent area and reports.In order to receive reporting of UE, the uplink receiving of the community of OFF/DTX can be opened always, also can only open at DRX active period, and UE is at DRX active period report measurement results.UE carries out measurement result at DRX active period and reports, and requires that DRX active period has certain width on the one hand, can complete each reporting; Require that the frequency of DRX active period is enough on the other hand, what can meet UE reports demand.

According to measurement result, if find that adjacent area is more suitable for as UE provides service, then UE needs to switch, and can have following several scheme:

Complete switching at DRX active period, report the time of needs longer because complete the time switching needs than measurement result, meanwhile, base station and UE know switching behavior, therefore as shown in Figure 4, and can:

1) width of all DRX active periods is increased;

2) when only increasing UE switching, the width of current residing DRX active period;

3) for process switches abnormal, from the DRX active period starting to switch, the DRX active period of several regular width/increase width can be set continuously;

4) off community can be opened, then completes handoff procedure.

It should be noted that, above-mentioned steps 304A, 304B, 305A, 305B and 306 the restriction successively of execution out-of-order.

Corresponding above-mentioned community processing method, the embodiment of the present invention additionally provides a kind of cell handling device, as shown in Figure 5, comprising:

Resident processing module 10, perform in community and open in the process of shutoff operation, the user terminal UE controlled belonging to described community does not move to other community, and what remain unchanged with described community associates.

Resident processing module 10 is further used for, in the community supporting self adaptation opening/closing, allow the connected state UE temporarily not having business to reside in this community;

Administration module 30, for when described community enters dormant state, carries out data transfer management and/or mobile management to the connected state UE in described community.

Administration module 30 is further used for, and when described community enters dormant state, carries out paging process to the Idle state UE in described community.

Connected state UE is normal condition or is configured to discontinuous reception DRX state.

Resident processing module 10 is further used for,

Resident processing module 10 is further used for, and when described community is the community at the auxiliary community of single community and/or spectrum aggregating and/or the prothetic group station of dual link, community open and/or closed information is issued UE by described community by control channel.

A control information of control channel is received by the some or all of UE in community simultaneously.

Described control channel can be DCI3 and/or DCI3a.

The RNTI that described control channel adopts is described community lower part or RNTI that all UE is public.

The public RNTI of the described community lower part that described control channel adopts or all UE is one of following RNTI: SI-RNTI, TPC-RNTI, P-RNTI, the new RNTI introduced.

In one embodiment, also comprise configuration module 20, for temporarily not having the connected state UE of business to carry out DRX configuration in the Nei Duizhe community, described community preparing closedown.

In one embodiment, configuration module 20 is further used for, and the discovery signal DS obtaining this community for each community in the following manner configures:

For each community configures from main separation DS; Or

In one embodiment, configuration module 20 is further used for, configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

Wherein, described reference signal comprises PSS, SSS, CRS, CSI-RS.

In one embodiment, also comprise notification module 40, for by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

Described DRX configuration comprises: DRX cycle, active period, rest period;

Wherein, described DRX cycle need meet the following conditions: described DRX cycle and described DS send the cycle common divisor; There are common divisor in described DRX cycle and described reference signal except DS transmission cycle in the dormant state.

In one embodiment, described data transfer management is carried out to the connected state UE in community, comprises the downlink data performing connected state UE in described community in such a way and send management:

Active period in described DRX configuration, notifies to the connected state UE in described community the relevant information that described community is opened by RRC signaling or PDCCH instruction, comprises community and open instruction, community opening time and cell system parameter lastest imformation; Described community is opened immediately while notifying to described connected state UE, or in community described in Time Delay Opening after described UE notice;

In one embodiment, described PDCCH instruction comprises DCI format 1A or new DCI, and advice method is:

Or, except the lead code triggering Physical Random Access Channel PRACH in the DCI format 1A that PDCCH carries, also increase the bit opened indicating cell, and the bit of indicating cell opening time, specify indicating cell and be about to open and open the moment;

Administration module 30 is further used for, and for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation is discharged.

Described data transfer management is carried out to the connected state UE in community, comprises the upstream data performing connected state UE in described community in such a way and send management:

Mobile management is carried out to the connected state UE in community, comprising:

Describedly paging process carried out to the Idle state UE in community comprise:

It should be noted that, the device shown in Fig. 5 can realize on the base station of community.

In sum, embodiment of the present invention configuration different districts is coordinated configuration and is found that signal sends pattern, avoids each community to find to there is interference between signal; Propose when community is closed, the connected state UE do not switched away and the processing method of Idle state UE simultaneously.Compared with prior art, avoid and find that signal disturbs mutually, and avoid the unnecessary frequent switching of UE, improve system effectiveness.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of hardware embodiment, software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.

The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.

The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims

1. a community processing method, is characterized in that, the method comprises:

2. community processing method according to claim 1, it is characterized in that, the method also comprises:

3. community processing method according to claim 1, it is characterized in that, the method also comprises:

4. community processing method according to claim 1, it is characterized in that, the method also comprises:

5. community processing method according to claim 1, it is characterized in that, described connected state UE is normal condition or is configured to discontinuous reception DRX state.

6. community processing method according to claim 1, it is characterized in that, the method also comprises:

7. community processing method according to claim 1, it is characterized in that, the method also comprises:

8. community processing method according to claim 7, it is characterized in that, a control information of described control channel is received by the some or all of UE in community simultaneously.

9. community processing method according to claim 7, is characterized in that, described control channel is the control channel of the public search space transmission of control domain.

10. community processing method according to claim 7, it is characterized in that, described control channel is DCI3 and/or DCI3a.

11. community processing methods according to claim 7, is characterized in that, the Radio Network Temporary Identifier RNTI that described control channel adopts is described community lower part or RNTI that all UE is public.

12., according to community processing method described in claim 11, is characterized in that, the described community lower part that described control channel adopts or the RNTI that all UE is public are one of following RNTI:

13. community processing methods according to claim 1, it is characterized in that, the method also comprises: discontinuous reception DRX configuration is carried out to temporarily not having the connected state UE of business in this community in the described community preparing to close.

14. community processing methods according to claim 1, it is characterized in that, the method also comprises: the discovery signal DS that each community obtains this community in the following manner configures:

Each community configures from main separation DS; Or

15. according to claim 13 or 14 community processing method, it is characterized in that, the method also comprises: configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

16. according to community processing method described in claim 15, and it is characterized in that, the method also comprises: described community by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

17., according to community processing method described in claim 13, is characterized in that, described DRX configuration comprises: DRX cycle, active period, rest period;

Wherein, described DRX cycle need meet the following conditions:

Described DRX cycle and described DS send the cycle common divisor;

18., according to community processing method described in claim 17, is characterized in that, describedly carry out data transfer management to the connected state UE in community, comprise the downlink data performing connected state UE in described community in such a way and send management:

19., according to community processing method described in claim 18, is characterized in that, described PDCCH instruction comprises Downlink Control Information DCI format 1A or new DCI, and advice method is:

20. according to community processing method described in claim 19, and it is characterized in that, the method comprises further: for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation discharged.

21. community processing methods according to claim 3, is characterized in that, describedly carry out data transfer management to the connected state UE in community, comprise the upstream data performing connected state UE in described community in such a way and send management:

22. community processing methods according to claim 3, is characterized in that, describedly carry out mobile management to the connected state UE in community, comprising:

23. community processing methods according to claim 4, is characterized in that, describedly carry out paging process to the Idle state UE in community and comprise:

24. 1 kinds of cell handling device, is characterized in that, this device comprises:

25., according to cell handling device described in claim 24, is characterized in that, described resident processing module is further used for, in the community supporting self adaptation opening/closing, allow the connected state UE temporarily not having business to reside in this community.

26., according to cell handling device described in claim 24, is characterized in that, this device also comprises:

27., according to cell handling device described in claim 24, is characterized in that, described administration module is further used for, and when described community enters dormant state, carry out paging process to the Idle state UE in described community.

28., according to cell handling device described in claim 24, is characterized in that, described connected state UE is normal condition or is configured to discontinuous reception DRX state.

29., according to cell handling device described in claim 24, is characterized in that, described resident processing module is further used for,

30. according to cell handling device described in claim 24, it is characterized in that, described resident processing module is further used for, when described community is the community at the auxiliary community of single community and/or spectrum aggregating and/or the prothetic group station of dual link, community open and/or closed information is issued UE by described community by control channel.

31., according to cell handling device described in claim 30, is characterized in that, a control information of described control channel is received by the some or all of UE in community simultaneously.

32., according to cell handling device described in claim 30, is characterized in that, described control channel is the control channel of the public search space transmission of control domain.

33., according to cell handling device described in claim 30, is characterized in that, described control channel is DCI3 and/or DCI3a.

34., according to cell handling device described in claim 30, is characterized in that, the Radio Network Temporary Identifier RNTI that described control channel adopts is described community lower part or RNTI that all UE is public.

35., according to cell handling device described in claim 34, is characterized in that, the public RNTI of the described community lower part that described control channel adopts or all UE is one of following RNTI: SI-RNTI, TPC-RNTI, P-RNTI, the new RNTI introduced.

36., according to cell handling device described in claim 24, is characterized in that, also comprise: configuration module, for carrying out discontinuous reception DRX configuration in the described community preparing to close to temporarily not having the connected state UE of business in this community.

37., according to cell handling device described in claim 24, is characterized in that, described configuration module is further used for, and the discovery signal DS obtaining this community for each community in the following manner configures:

For each community configures from main separation DS; Or

38. according to claim 36 or 37 cell handling device, it is characterized in that, described configuration module is further used for, configure the reference signal of cycle transmission except the DS transmission configuration in the dormant state in the dormant state of described community, described transmission configuration comprises transmission cycle, the running time-frequency resource taken and sequence resources; Described reference signal transmission, after entering resting state, is carried out according to described transmission configuration in described community;

39., according to cell handling device described in claim 38, is characterized in that, also comprise notification module, for by described reference signal except DS transmission configuration notification in the dormant state to the resident UE under described community.

40., according to cell handling device described in claim 36, is characterized in that, described DRX configuration comprises: DRX cycle, active period, rest period;

Wherein, described DRX cycle need meet the following conditions:

Described DRX cycle and described DS send the cycle common divisor;

41., according to cell handling device described in claim 40, is characterized in that, describedly carry out data transfer management to the connected state UE in community, comprise the downlink data performing connected state UE in described community in such a way and send management:

42., according to cell handling device described in claim 41, is characterized in that, described PDCCH instruction comprises Downlink Control Information DCI format 1A or new DCI, and advice method is:

43., according to cell handling device described in claim 42, is characterized in that, described administration module is further used for, and for UE distributes fixing lead code, after community is opened, the lead code of fixed allocation are discharged.

44., according to cell handling device described in claim 26, is characterized in that, describedly carry out data transfer management to the connected state UE in community, comprise the upstream data performing connected state UE in described community in such a way and send management:

45., according to cell handling device described in claim 26, is characterized in that, carry out mobile management, comprising the connected state UE in community:

46., according to cell handling device described in claim 27, is characterized in that, describedly carry out paging process to the Idle state UE in community and comprise: