CN103546980B

CN103546980B - Method, system and the equipment that a kind of community is accessed

Info

Publication number: CN103546980B
Application number: CN201210243781.8A
Authority: CN
Inventors: 赵亚利; 鲍炜; 梁靖
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2012-07-13
Filing date: 2012-07-13
Publication date: 2016-12-21
Anticipated expiration: 2032-07-13
Also published as: WO2014008845A1; CN103546980A

Abstract

The present embodiments relate to wireless communication technology field, method, system and the equipment accessed particularly to a kind of community, the problem long in order to solve Stochastic accessing brings when accessing Microcell present in prior art time delay.The method that a kind of community that the embodiment of the present invention provides is accessed, including: network equipment determines that subscriber equipment needs the cell type of the community accessed；Described network equipment notifying user equipment needs the cell type of the community accessed, and is used for notifying that described subscriber equipment judges whether to need to perform random access procedure according to described cell type.The type of the community that the embodiment of the present invention accesses due to network equipment notifying user equipment, so that subscriber equipment need not uplink synchronous when accessing Microcell, shortens the time delay that Stochastic accessing brings.

Description

Method, system and the equipment that a kind of community is accessed

Technical field

The present invention relates to wireless communication technology field, the method, the system that access particularly to a kind of community and set Standby.

Background technology

As it is shown in figure 1, LTE (Long Term Evolution, Long Term Evolution) E-UTRAN (Evolved Universal Terrestrial Radio Access Network, the universal land radio access web of evolution) system Network architecture schematic diagram in, MME (Mobility Management Entity, Mobility Management Entity) It is connected with using S1-MME interface between eNB (evolution base station), is connected by X2 mouth between eNB, Base station and UE are then by eating dishes without rice or wine to communicate.The UE (subscriber equipment) of network is attached to for each, Having a MME to provide service for it, this MME is referred to as the service MME of UE.

In LTE system, the reason of Stochastic accessing mainly has the most several:

1, from RRC_IDLE, (RRC is idle；RRC, Radio Resource Control, Radio Resource Control) state access (being also referred to as initially accessed, initial access)；

2, Radio Link Failure initiates RRC connection reconstruction (being also the one being initially accessed)；

3, handoff procedure needs Stochastic accessing；

4, UE has downlink data to arrive when being in RRC_CONNECTED (RRC connection)；

5, UE has upstream data to arrive when being in RRC_CONNECTED；

For having downlink data to arrive and two kinds of situations of switching, if there being dedicated preamble (leading) code, Then can use non-competing Stochastic accessing, the Stochastic accessing that other all Stochastic accessing reasons are caused To use competition Stochastic accessing.

In X2 handoff procedure, source eNB is according to measurement result, and enforcement of the judgment X2 handover operation, by source ENB sends handover request message to target eNB, needs the Access Layer changed close in message after comprising switching The parameter etc. that all carryings of key KeNB* and UE are relevant, target eNB is according to these parameters subsequently, joins Put new carrying, including SRB (Signaling Radio Bearer, Signaling Radio Bearer) and DRB (Data Radio Bearer, Data Radio Bearer) PDCP (Packet Data Convergence Protocol, point Group data aggregation protocol)/RLC (Radio Link Control, wireless spread-spectrum technology)/MAC (Medium Access Control, medium education) entity etc..Target eNB performs admission judgment, if judgement Can receive, then target eNB returns switching response message to source eNB.Source eNB receives switching and rings Sending RRC reconfiguration message to UE after answering message, source eNB stops data and the reception of chain of command simultaneously And transmission.After UE receives RRC reallocation message, start to stop at the data of source eNB and chain of command Receive and send, and carry out simultaneously operating with target eNB.

Above-mentioned simultaneously operating includes down-going synchronous and uplink synchronous.Specific as follows: UE first passes through physical layer Process completes the down-going synchronous with target BS, subsequently according to the descending timing relationship of target BS, and RRC heavily join signaling is carried preamble and PRACH (Physical Random Access Channel, Physical Random Access Channel) indicate and initiate non-competing Stochastic accessing or competition Stochastic accessing (ra-PreambleIndex is 000000) is to set up and the uplink synchronous of target BS.Should be noted that: right In switching, RRC heavily joins can carry C-RNTI (the Cell Radio that target BS is UE distribution in signaling Network Temporary Identifier, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI) and Stochastic accessing specialized configuration (preamble and PRACH), wherein Stochastic accessing specialized configuration allows default, the most default, then association View regulation UE needs to initiate competition Stochastic accessing.

In existing heterogeneous network, shown in Fig. 2, Macro eNB (grand evolution base station) provides basis to cover, It is operated in existing LTE cellular band, and Local eNB (local evolution base station) provides focus to cover, can To be operated in 3GHz with super band.Between Local eNB and Macro eNB use high-speed link (wired/ Wireless) it is connected.The UE collectively covering region for working in Marco eNB and Local eNB can be same Time use and be polymerized (inter-eNB polymerization) between Marco eNB and the resource of local eNB, i.e. base station.? In the case of inter-eNB polymerization, part RB (Radio Bearer, radio bearer) of UE passes through Marco cell Carrying, part RB is carried by local cell.

Separate currently for the carrying in the case of IDLE UE access, switching and inter-eNB polymerization, It is all to need to perform competition or non-competing Stochastic accessing that UE is linked into Target cell.But it is as small The introducing in district, such as family cover, if cell coverage area is the least, such as less than TA (Time Advance, Timing Advance) minimum adjustment granularity (corresponding radius of society about 78m), then how UE uses Current access way can increase the time delay that Stochastic accessing brings.

In sum, the time delay that Stochastic accessing brings when accessing Microcell at present is long.

Summary of the invention

Method, system and the equipment that a kind of community that the embodiment of the present invention provides is accessed, in order to solve existing skill The problem that present in art, the time delay brought of Stochastic accessing is long when accessing Microcell.

The method that a kind of community that the embodiment of the present invention provides is accessed, including:

Network equipment determines that subscriber equipment needs the cell type of the community accessed；

Described network equipment notifying user equipment needs the cell type of community accessed, and is used for notifying described Subscriber equipment judges whether to need to perform random access procedure according to described cell type.

The method that the another kind of community that the embodiment of the present invention provides is accessed, including:

Subscriber equipment according to the notice from network equipment received, determines the little of the community that needs to access District's type；

Described subscriber equipment judges whether to need to perform random access procedure according to described cell type.

The network equipment that a kind of community that the embodiment of the present invention provides is accessed, including:

The first kind determines module, for determining that subscriber equipment needs the cell type of the community accessed；

First processing module, needs the cell type of the community accessed, is used for notifying for notifying user equipment Described subscriber equipment judges whether to need to perform random access procedure according to described cell type.

The subscriber equipment that a kind of community that the embodiment of the present invention provides is accessed, including:

Second Type determines module, for according to the notice from network equipment received, determining needs The cell type of the community accessed；

Second processing module, for judging whether to need to perform random access procedure according to described cell type.

The system that a kind of community that the embodiment of the present invention provides is accessed, including:

Network equipment, for determining that subscriber equipment needs the cell type of the community accessed, notifies that user sets The cell type of the standby community needing to access；

Subscriber equipment, for according to the notice from network equipment received, determining and need the little of access The cell type in district, judges whether to need to perform random access procedure according to described cell type.

The type of the community that the embodiment of the present invention accesses due to network equipment notifying user equipment, so that using Family equipment need not uplink synchronous when accessing Microcell, shortens the time delay that Stochastic accessing brings.

Accompanying drawing explanation

Fig. 1 is the network architecture schematic diagram of E-UTRAN in background technology；

Fig. 2 is the E-UTRAN network architecture diagram comprising Local eNB in background technology；

Fig. 3 is the system structure schematic diagram that embodiment of the present invention community is accessed；

Fig. 4 is the structural representation of network equipment in the system that embodiment of the present invention community is accessed；

Fig. 5 is the structural representation of subscriber equipment in the system that embodiment of the present invention community is accessed；

Fig. 6 is the method flow schematic diagram that embodiment of the present invention network equipment performs that community is accessed；

Fig. 7 is the method flow schematic diagram that embodiment of the present invention subscriber equipment performs that community is accessed；

Fig. 8 is the X2 handoff procedure that the embodiment of the present invention does not carry out Stochastic accessing；

Fig. 9 is the RRC connection establishment that embodiment of the present invention idle state subscriber equipment does not use Stochastic accessing Method flow schematic diagram.

Detailed description of the invention

Along with the introducing of Microcell, such as family covers, if cell coverage area is the least, and such as less than TA Minimum adjustment granularity (corresponding radius of society about 78m), then need not up when accessing these communities Synchronize.The type of the community that the network equipment notifying user equipment of the embodiment of the present invention accesses, makes user Equipment need not uplink synchronous when accessing Microcell, thus shortens the time delay that Stochastic accessing brings.

Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.

In following declarative procedure, first implement to illustrate from the cooperation of network side and user equipment side, Rear enforcement from network side with user equipment side respectively illustrates, and but this does not imply that the two must coordinate Implement, it practice, when network side and user equipment side are performed separately, also solve respectively network side, Problem existing for user equipment side, when simply the two is used in combination, can obtain superior technique effect.

As it is shown on figure 3, the system that embodiment of the present invention community is accessed includes: network equipment 10 and user Equipment 20.

Network equipment 10, for determining that subscriber equipment 20 needs the cell type of the community accessed, notice Subscriber equipment needs the cell type of the community accessed；

Subscriber equipment 20, for according to the notice from network equipment 10 received, determining that needs connect The cell type of the community entered, judges whether to need to perform random access procedure according to cell type.

Wherein, if the cell type of the fixed community needing to access is Microcell, subscriber equipment 20 determines not to be held Row random access procedure.

It is preferred that network equipment 10 needs the little of access by broadcast or dedicated signaling notifying user equipment The cell type in district.

Accordingly, subscriber equipment 20 determines the community class of the community needing access by broadcast or dedicated signaling Type

In force, network equipment 10 needs the community of the community accessed by broadcast notifying user equipment The mode of type has a lot, is set forth below several:

Mode one, explicitly indicate.

Network equipment 10 broadcast MIB (Master Information Block, Master Information Block) or SIB (System Information Block, system information block) 1 or SIB2 comprises cell type instruction；

Accordingly, subscriber equipment 20 is according to the cell type instruction letter comprised in MIB or SIB1 or SIB2 Breath, determines the cell type of the community needing access.

Such as cell type instruction information is 1 bit, and value 1 represents Microcell (or needing Stochastic accessing)； Value is 0, represents non-trivial district (or need not Stochastic accessing).

Mode two, implicit expression indicate.

Network equipment 10 is according to whether configuring RACH (Random Access in broadcast message Channel, RACH) mode of common configuration information notifies to need the community class of the community accessed Type.

Concrete, the cell type of the community if desired accessed is Microcell, and network equipment 10 is in broadcast Not comprising RACH common configuration information in information, the cell type of the community if desired accessed is non-trivial District, network equipment comprises RACH common configuration information in broadcast message；

Accordingly, after subscriber equipment 20 does not comprise RACH common configuration information in the broadcast message received, Determine that the cell type needing the community accessed is Microcell, otherwise determine the community class of the community needing access Type is non-trivial district.

It should be noted that the embodiment of the present invention is not limited to above two uses the mode of broadcast notice, Other can by the way of broadcast notifies the equally applicable embodiment of the present invention.

In force, network equipment 10 needs the community of access by dedicated signaling notifying user equipment The mode of cell type has a lot, is set forth below several:

Mode one, explicitly indicate.

Network equipment 10 sends the RRC signaling comprising cell type instruction information；

Accordingly, subscriber equipment 20, by the cell type the comprised instruction information in RRC signaling, determines Need the cell type of the community accessed.

Such as switching, heavily join at RRC and signaling increases cell type instruction, inter-eNB is gathered Closing, heavily joining at RB increases cell type instruction in signaling.

If it is preferred that use explicit instruction, and instruction type is for need not Stochastic accessing, then RRC Signaling can configure RACH is public and special parameters.

Mode two, implicit expression indicate.

Network equipment 10 is according to TA and/or TAT timing advance timer in the signaling) notice needs The cell type of the community accessed.

Concrete, the cell type of the community if desired accessed is Microcell, and network equipment 10 is at RRC Add TA in signaling indicate and arrange TA is that to indicate and arrange TAT be special for particular value and/or interpolation TAT Value；

Accordingly, subscriber equipment 20 indicates containing TA in the RRC signaling received and TA is special Value and/or containing TAT instruction and after TAT is particular value, determines the cell type of community needing to access For Microcell, otherwise determine that the cell type needing the community accessed is non-trivial district.

In RRC signaling, such as add TA instruction and value is 0 and/or interpolation TAT indicates and arranges TAT For infinity.

Mode three, implicit expression indicate.

The cell type of the community if desired accessed is Microcell, network equipment 10 in RRC signaling not Comprising RACH common configuration information, the cell type of the community if desired accessed is non-trivial district, network side Equipment comprises RACH common configuration information in RRC signaling；

Accordingly, after subscriber equipment 20 does not comprise RACH common configuration information in the RRC signaling received, Determine that the cell type needing the community accessed is Microcell, otherwise determine the community class of the community needing access Type is non-trivial district.

Signaling or RB separation signaling is reconfigured it is preferred that above-mentioned RRC signaling is RRC.

It should be noted that the embodiment of the present invention is not limited to above-mentioned three kinds of sides using dedicated signaling to notify Formula, other can by the way of dedicated signaling notifies the equally applicable embodiment of the present invention.

In force, if network equipment 10 is target BS, then network equipment 10 passes through OAM (Operations and Maintenance, run and safeguard) entity obtains subscriber equipment needs the little of access The cell type in district；Or to determine that subscriber equipment needs to access little according to self launch power, frequency point information (such as the transmitting power of self is less or frequency point information belongs to Microcell, it is determined that for micro-for the cell type in district Community).

If network equipment 10 is source base station, network equipment 10 by inter-base station interface receive from The cell type instruction of target BS, determines that subscriber equipment needs the cell type of the community accessed.

In force, if subscriber equipment 20 needs the community accessed to be Microcell, and network equipment 10 is Need the affiliated base station of the community accessed；Then network equipment 10 notifying user equipment needs the little of access After the cell type in district, after subscriber equipment accesses community, do not safeguard the uplink synchronous of subscriber equipment 20.

In force, if need not perform after random access procedure, subscriber equipment with access belonging to community Base station carry out down-going synchronous after, according to access community descending timing send upstream data.

For handoff scenario, the base station belonging to Target cell, after subscriber equipment accesses community, notifies that user sets Standby 20UL grant (uplink scheduling license), wherein corresponding for UL grant resource is non-competing time-frequency money Source or the running time-frequency resource of competition；Or

Base station belonging to Target cell is delayed when specific, notifying user equipment 20UL grant, wherein UL Resource corresponding for grant is the running time-frequency resource of non-competing running time-frequency resource or competition, and specific time delay is subscriber equipment Process the base station belonging to reconfiguration message and Target cell and carry out the time delay sum of down-going synchronous.

Idle state be need not to the RRC connection establishment process accessed immediately, if it is preferred that subscriber equipment The community that 20 needs access is Microcell, and network equipment 10 is the affiliated base of the community needing access Stand；

After network equipment 10 notifying user equipment needs the cell type of the community of access, by broadcast Notifying user equipment is corresponding for resource location and/or the up-downgoing competitive resource of uplink and downlink competition transmission MCS (Modulation and coding scheme, modulation coding mode)；Set from user receiving After the RRC connection establishment request of standby 20, distribute a C-RNTI for subscriber equipment 20, and by RRC CCCH (Common Control Channel, CCCH) SDU (the Service Data of connection request Units, Service Data Unit), (MAC Control Element, media connect the MAC CE of C-RNTI Enter a layer control unit) transmit corresponding resource with UL grant by descending competition, use corresponding MCS It is sent to subscriber equipment 20；After receiving subscriber equipment 20 and acknowledge receipt of the information of C-RNTI, to user Equipment 20 sends RRC connection establishment message.

Accordingly, after subscriber equipment 20 judges whether to need to perform random access procedure according to cell type, If after need not perform random access procedure, subscriber equipment 20 uses competitive resource to send RRC connection and builds Vertical request is used for asking to distribute C-RNTI.

After subscriber equipment 20 uses competitive resource to send the request of RRC connection establishment, start contention resolved fixed Time device, after timer expiry, if not receiving the feedback of network side, in predetermined range value generate one with Machine number, waits until that the moment that this random number is corresponding initiates the request of RRC connection establishment after arriving again.

Such as preset range is [0,10] ms, then one random number of stochastic generation in the range of this, at random Number is 5, then the request of RRC connection establishment initiated after 5ms again by subscriber equipment.

For the uplink process not having the connected state subscriber equipment of DSR to initiate, if it is preferred that user Equipment 20 needs the community accessed to be Microcell, and network equipment 10 is community affiliated needing to access Base station；

After network equipment 10 notifying user equipment 20 needs the cell type of the community of access, by extensively Broadcast the notifying user equipment resource location for up competition transmission；Receive subscriber equipment 20 to utilize PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) format (form) After the feedback information comprising SR (dispatch request) information that 1a/1b sends, distribute UL for subscriber equipment 20 grant。

Accordingly, if need not perform random access procedure, subscriber equipment 20 is in does not has DSR The connected state of (Dedicated Scheduling Request, specific schedule is asked), and have upstream data needs Send but do not have UL grant, then subscriber equipment 20 uses competitive resource to send BSR (Buffer State Report, buffer region state reporting) or, BSR and data, or only upstream data (such as resource is more than The resource that upstream data and C-RNTI instruction transmission need), carry the C-RNTI of subscriber equipment simultaneously；With And subscriber equipment 20 utilizes the feedback information comprising SR information that PUCCH format1a/1b sends.

Wherein, the network equipment of the embodiment of the present invention can be base station (such as macro base station, Home eNodeB etc.), Can also be RN (relaying) equipment, it is also possible to be other network equipment.

As shown in Figure 4, the network equipment in the system that embodiment of the present invention community is accessed includes: the first kind Type determines module 400 and the first processing module 410.

The first kind determines module 400, for determining that subscriber equipment needs the cell type of the community accessed；

First processing module 410, needs the cell type of the community accessed, is used for for notifying user equipment Notifying user equipment judges whether to need to perform random access procedure according to cell type.

It is preferred that the first processing module 410 needs access by broadcast or dedicated signaling notifying user equipment The cell type of community.

It is preferred that the first processing module 410 notifies user by MIB or SIB1 in broadcast or SIB2 Equipment needs the cell type of the community accessed；Or the cell type of the community if desired accessed is Microcell, Not comprising RACH common configuration information in broadcast message, the cell type of the community if desired accessed is non- Microcell, comprises RACH common configuration information in broadcast message.

It is preferred that the first processing module 410 sends the RRC signaling comprising cell type instruction information；Or The cell type of the community if desired accessed is Microcell, adds TA and indicate and arrange in RRC signaling TA is particular value and/or adds TAT to indicate and arrange TAT be particular value；Or the community if desired accessed Cell type is Microcell, does not comprise RACH common configuration information, if desired access in RRC signaling The cell type of community be non-trivial district, RRC signaling comprises RACH common configuration information.

If it is preferred that network equipment is target BS；The first kind determines that module 400 passes through OAM Entity obtains subscriber equipment needs the cell type of the community accessed；Or according to self transmitting power, frequency Information determines that subscriber equipment needs the cell type of the community accessed.

If it is preferred that network equipment is source base station；The first kind determines that module 400 is indirect by base station The cell type from target BS that mouth receives indicates, and determines that subscriber equipment needs the little of the community of access District's type.

It is preferred that network equipment is target BS, the first processing module 410 accesses community at subscriber equipment After, notifying user equipment UL grant, wherein corresponding for UL grant resource be non-competing running time-frequency resource or The running time-frequency resource of competition；Or delay when specific, notifying user equipment UL grant, wherein UL grant pair The resource answered is the running time-frequency resource of non-competing running time-frequency resource or competition, and specific time delay is that subscriber equipment processes weight Base station belonging to configuration message and Target cell carries out the time delay sum of down-going synchronous.

It is preferred that subscriber equipment needs the community accessed to be Microcell, and network equipment is to need to access The affiliated base station of community；First processing module 410, after subscriber equipment accesses community, does not safeguard that user sets Standby uplink synchronous.

It is preferred that subscriber equipment needs the community accessed to be Microcell, and network equipment is to need to access The affiliated base station of community；First processing module 410 notifying user equipment needs the community class of the community accessed After type, by broadcast notifying user equipment for the resource location of uplink and downlink competition transmission and/or up and down The MCS that row competitive resource is corresponding；Receiving from subscriber equipment RRC connection establishment ask after, for Family equipment one C-RNTI of distribution, and by the MAC of CCCH SDU, C-RNTI of RRC connection request CE with UL grant transmits corresponding resource by descending competition, uses corresponding MCS to be sent to user and sets Standby；After receiving subscriber equipment and acknowledge receipt of the information of C-RNTI, send RRC to subscriber equipment and connect Set up message.

It is preferred that subscriber equipment needs the community accessed to be Microcell, and network equipment is to need to access The affiliated base station of community；First processing module 410 notifying user equipment needs the community class of the community accessed After type, the resource location transmitted for up competition by broadcast notifying user equipment；Receive user to set After utilizing the feedback information comprising SR information that PUCCH format1a/1b sends, divide for subscriber equipment Join UL grant.

As it is shown in figure 5, the subscriber equipment in the system of embodiment of the present invention community access includes: Second Type Determine module 500 and the second processing module 510.

Second Type determines module 500, for according to the notice from network equipment received, determining Need the cell type of the community accessed；

Second processing module 510, for judging whether to need to perform random access procedure according to cell type.

It is preferred that Second Type determines that module 500 determines the community needing to access by broadcast or dedicated signaling Cell type.

It is preferred that Second Type determines that module 500 is according to the community comprised in MIB or SIB1 or SIB2 Type indication information, determines the cell type of the community needing access；Or do not wrap in the broadcast message received After RACH common configuration information, determine that the cell type needing the community accessed is Microcell, the most really The cell type of the fixed community needing to access is non-trivial district.

It is preferred that Second Type determines that module 500 is indicated by the cell type comprised in RRC signaling Information, determines the cell type of the community needing access；Or indicate containing TA in the RRC signaling received And TA is particular value and/or containing TAT instruction and after TAT is particular value, determining needs to access The cell type of community is Microcell, otherwise determines that the cell type needing the community accessed is non-trivial district； Or after not comprising RACH common configuration information in the RRC signaling received, determine the community needing to access Cell type be Microcell, otherwise determine that the cell type of community needing to access is non-trivial district.

It is preferred that the second processing module 510 judges whether to need to perform random access procedure according to cell type Afterwards, if after need not perform random access procedure, using competitive resource to send RRC connection establishment please Ask for asking distribution C-RNTI.

It is preferred that after the second processing module 510 uses competitive resource to send the request of RRC connection establishment, Start contention resolved intervalometer, after timer expiry, if not receiving the feedback of network side, at preset range Value generates a random number, waits until that the moment that this random number is corresponding again initiates RRC connection and builds after arriving Vertical request.

It is preferred that the second processing module 510 judges whether to need to perform random access procedure according to cell type Afterwards, if after need not perform random access procedure, carrying out descending same with the base station accessed belonging to community After step, send upstream data according to the descending timing accessing community.

It is preferred that the second processing module 510 judges whether to need to perform random access procedure according to cell type Afterwards, if need not perform random access procedure, and subscriber equipment is in the connected state not having DSR, and Have upstream data need send but there is no UL grant, then use competitive resource send BSR or, BSR and Data, or only send upstream data, carry the C-RNTI of subscriber equipment simultaneously.

It is preferred that the second processing module 510 judges whether to need to perform random access procedure according to cell type Afterwards, if need not perform random access procedure, and subscriber equipment is in connected state, and does not has DSR to join Put, utilize the feedback information comprising SR information that PUCCH format1a/1b sends.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of network equipment execution community and connects The method entered and subscriber equipment perform the method that community is accessed, owing to these methods solve principle and the figure of problem In 3 embodiment of the present invention community access system similar, therefore the enforcement of these methods can with the enforcement of system, Repeat no more in place of repetition.

As shown in Figure 6, the method that embodiment of the present invention network equipment performs to access community comprises the following steps:

Step 601, network equipment determine that subscriber equipment needs the cell type of the community accessed；

Step 602, network equipment notifying user equipment need the cell type of the community accessed, and are used for leading to Know that subscriber equipment judges whether to need to perform random access procedure according to cell type.

It is preferred that in step 602, network equipment is needed by broadcast or dedicated signaling notifying user equipment The cell type of the community accessed.

It is preferred that network equipment needs the cell type of the community accessed by broadcast notifying user equipment, Including:

Network equipment comprises cell type instruction in MIB or SIB1 or SIB2 of broadcast；Or

The cell type of the community if desired accessed is Microcell, and network equipment does not comprises in broadcast message RACH common configuration information, the cell type of the community if desired accessed is non-trivial district, network equipment RACH common configuration information is comprised in broadcast message.

It is preferred that network equipment needs the cell type of the community accessed by dedicated signaling subscriber equipment, Including:

Network equipment sends the RRC signaling comprising cell type instruction information；Or

The cell type of the community if desired accessed is Microcell, and network equipment adds in RRC signaling TA indicates and arranges TA and is particular value and/or adds TAT to indicate and arrange TAT be particular value；Or

The cell type of the community if desired accessed is Microcell, and network equipment does not wraps in RRC signaling Containing RACH common configuration information, the cell type of the community if desired accessed is non-trivial district, and network side sets For comprising RACH common configuration information in RRC signaling.

Signaling or RB separation signaling is reconfigured it is preferred that RRC signaling is RRC.

If it is preferred that network equipment is target BS；In step 601, network equipment passes through OAM Entity obtains subscriber equipment needs the cell type of the community accessed；Or according to self transmitting power, frequency Information determines that subscriber equipment needs the cell type of the community accessed.

If it is preferred that network equipment is source base station；In step 601, network equipment is by between base station The cell type from target BS that interface arrives indicates, and determines that subscriber equipment needs the community of access Cell type.

It is preferred that also include after step 602:

Base station belonging to Target cell is accessed behind community at subscriber equipment, notifying user equipment UL grant, its Middle resource corresponding for UL grant is the running time-frequency resource of non-competing running time-frequency resource or competition；Or

Base station belonging to Target cell is delayed when specific, notifying user equipment UL grant, wherein UL grant Corresponding resource is the running time-frequency resource of non-competing running time-frequency resource or competition, and specific time delay is that subscriber equipment processes Base station belonging to reconfiguration message and Target cell carries out the time delay sum of down-going synchronous.

It is preferred that subscriber equipment needs the community accessed to be Microcell, and network equipment is to need to access The affiliated base station of community；Also include after step 602:

Network equipment, after subscriber equipment accesses community, does not safeguard the uplink synchronous of subscriber equipment.

The resource location that network equipment is transmitted for uplink and downlink competition by broadcast notifying user equipment And/or the MCS that up-downgoing competitive resource is corresponding；

Network equipment is receiving after the RRC connection establishment request of subscriber equipment, divides for subscriber equipment Join a C-RNTI, and by the MAC CE of CCCH SDU, C-RNTI of RRC connection request and UL grant, by the resource of descending competition transmission correspondence, uses corresponding MCS to be sent to subscriber equipment；

Subscriber equipment, after receiving subscriber equipment and acknowledge receipt of the information of C-RNTI, sends to subscriber equipment RRC connection establishment message.

The resource location that network equipment is transmitted for up competition by broadcast notifying user equipment；

Network equipment receives subscriber equipment and utilizes what PUCCH format1a/1b sent to comprise SR information Feedback information after, for user equipment allocation UL grant.

As it is shown in fig. 7, the method that embodiment of the present invention subscriber equipment performs to access community comprises the following steps:

Step 701, subscriber equipment, according to the notice from network equipment received, determine and need to access The cell type of community；

Step 702, subscriber equipment judge whether to need to perform random access procedure according to cell type.

It is preferred that in step 701, subscriber equipment determines the community needing to access by broadcast or dedicated signaling Cell type.

It is preferred that subscriber equipment determines the cell type of the community needing access by broadcast, including:

Subscriber equipment, according to the cell type instruction information comprised in MIB or SIB1 or SIB2, determines and needs The cell type of community to be accessed；Or

After subscriber equipment does not comprise RACH common configuration information in the broadcast message received, determine that needs connect The cell type of the community entered is Microcell, otherwise determines that the cell type needing the community accessed is non-trivial District.

It is preferred that subscriber equipment determines the cell type of the community needing access by dedicated signaling, including:

Subscriber equipment, by the cell type the comprised instruction information in RRC signaling, determines and needs access The cell type of community；Or

Subscriber equipment is particular value containing TA instruction and TA and/or contains in the RRC signaling received After TAT instruction and TAT are particular value, determine that the cell type needing the community accessed is Microcell, no Then determine that the cell type needing the community accessed is non-trivial district；Or

After subscriber equipment does not comprise RACH common configuration information in the RRC signaling received, determine needs The cell type of the community accessed is Microcell, otherwise determines that the cell type needing the community accessed is non-micro- Community.

It is preferred that also include after step 702:

If after need not perform random access procedure, subscriber equipment uses competitive resource to send RRC connection Foundation request is used for asking to distribute C-RNTI.

It is preferred that after subscriber equipment uses competitive resource to send the request of RRC connection establishment, also include:

Subscriber equipment starts contention resolved intervalometer, after timer expiry, if not receiving the feedback of network side, In predetermined range value, generate a random number, wait until that the moment that this random number is corresponding initiates after arriving again RRC connection establishment is asked.

It is preferred that also include after step 702:

If after need not perform random access procedure, subscriber equipment is being carried out with the base station accessed belonging to community After down-going synchronous, send upstream data according to the descending timing accessing community.

It is preferred that also include after step 702:

If need not perform random access procedure, subscriber equipment is in the connected state not having DSR, and on having Row data need send but there is no UL grant, then subscriber equipment use competitive resource send BSR or, BSR And data, or only upstream data, carry the C-RNTI of subscriber equipment simultaneously.

It is preferred that also include after step 702:

If need not perform random access procedure, subscriber equipment is in connected state, and does not has DSR to configure, Subscriber equipment utilizes the feedback information comprising SR information that PUCCH format1a/1b sends.

Wherein, Fig. 6 and Fig. 7 can synthesize a flow process, forms the method that a community is accessed, the most first holds Row step 601 and step 602, then perform step 701 and step 702.

With four examples, the solution of the present invention is illustrated below.

Example one, by X2 switch as a example by, switching flow is as shown in Figure 8.

Step 801, source eNB send to UE and measure configuration control (Measurement Configuration) Message.

Step 802, UE send measurement report (Measurement Report) message to source eNB.

Step 803, source eNB switch over judgement (HO Decision) according to measurement report.

Step 804, source eNB can allow in judgement after UE switching, send handover request to target eNB (Handover Request) message.

Step 805, target eNB carry out Access Control (Admission Control).

Step 806, target eNB send Handover Request Acknowledge (Handover Request to source eNB Acknowledge) message.

Step 807, source eNB send switching command (Handover Command) message to UE.

Step 808, source eNB to target eNB transmit Sequence Number state transfer (Sequence Number Status Transfer) message.

It is synchronization that step 809, UE carry out downlink and uplink with target eNB.

Step 810, UE send RRC connection to target eNB and have reconfigured (RRC Connection Reconfiguration Complete；RRC, Radio Resource Control, wireless heterogeneous networks) message.

Step 811, target eNB send path integration request (Path Switch to the MME serviced for UE Request) message.

After step 812, MME receive path integration request, check the information such as subscription data of this entity, If this entity is UE, then send amendment carrying request to S-GW (Serving GW, gateway) (Modify Bearer Request) message.

Step 813, S-GW change downlink path.

Step 814, S-GW return amendment carrying response (Modify Bearer Response) to MME Message.

Step 815, MME send the path integration request confirmation (Path carrying UE information to target eNB Switch Request Acknowledge) message.

Step 816, target eNB send UE Context Release (release of UE context) to source eNB Message.

Step 817, source eNB discharge resource.

Wherein, in step 807, RRC reallocation message need implicit expression or implicit expression carry cell type instruction.

According to implicit expression in step 807 or the cell type of explicit instruction, UE judges to access Target cell such as Fruit need not do Stochastic accessing, then step 809 can be omitted.

When need not do Stochastic accessing, after UE accesses Target cell, UL grant obtains and can have The most several:

Target BS is indicated to initial UL grant, this UL after UE accesses new community in step 806 Grant can be non-competing running time-frequency resource, it is also possible to be the running time-frequency resource of competition.

UE receives RRC reallocation message and completes to directly transmit DSR after the down-going synchronous of Target cell, DSR resource is distributed by target BS in step 806, and source base station passes through UE in step 807.

Target BS estimates that UE processes reallocation message and the time delay with target BS down-going synchronous, is meeting Multiple descending sub frames after delay requirement can be repeated as UE and distribute UL grant.

Target BS need not send TAC to UE and safeguards the uplink synchronous of UE.

Example two, Inter-eNB polymerization carrying separates.

Illustrate as a example by the carrying of Marco eNB is separated to Local eNB by UE:

1, UE receives the RB reallocation message from macro eNB, carries Target cell in this message Type indicates, and concrete cell type indicating mode is with example one.If it is indicated that cell type random for need not The type accessed, then can comprise in RB reallocation message that RACH is public and specialized configuration.

2, UE still uses old DRB link to receive and sends PDCP PDU；

3, UE configures RLC/MAC and the PHY layer of new DRB；

4, UE begins for new Local eNB and carries out down-going synchronous operation；

5, after UE completes to complete with the down-going synchronous of target local eNB, if RB reallocation message comprises Cell type instruction, and instruction need not Stochastic accessing, then UE is it is believed that all the time and Target cell Being uplink synchronous, subsequent upstream transmission directly sends upstream data according to the descending timing of this community.

6, UE completes the down-going synchronous of Local eNB, i.e. can start tissue and send RRC to MeNB Reconfigure completion message；

7, Macro eNB receives after this RRC reconfigures completion message, and tissue is sent the ACK of layer 2, Stop simultaneously former DRB link data send, notice Local eNB start on new DRB receive and Send data；

8, UE receives RRC and heavily joins the HARQ ACK feedback of completion message or RRC has heavily joined and disappears After the RLC ACK of breath, will start to send data on new DRB, the data simultaneously terminating old DRB are sent out Send；

9, when UE receives first packet from new DRB, or after step 8, one is waited again Fix time, the link of former DRB will be deleted completely；

10, the uplink synchronous of Local eNB Maintenance free UE, i.e. need not send TAC, safeguards TAT.

Example three, IDLE state need not the RRC connection establishment process of Stochastic accessing.

Two purposes of IDLE state UE random access procedure: obtain uplink synchronous, C-RNTI and set up RRC connects.If IDLE state UE access network does not do Stochastic accessing, then can only use contention access Mode, detailed process as shown in Figure 9:

1, base station is by broadcast notice UE for the resource location of uplink and downlink competition transmission and/or up and down The MCS mode that row competitive resource is corresponding, can be periodic allocation；

2, UE initiates the request of RRC connection establishment by up competitive resource, and starts contention resolved timing Device, if base station can receive, then just distributes a CRNTI for UE, is then connected by RRC Set up request CCCH SDU, base station be UE distribution C-RNTI MAC CE and UL grant (UE Instruction receives C-RNTI) it is sent to UE by descending competitive resource and the MCS specified；

3, before contention resolved timer expiry, if UE receives this on this descending competitive resource CCCH SDU, and this CCCH SDU is consistent with the CCCH SDU that it sends, then it is assumed that it is successfully accessed, UE utilizes 2) in the UL grant of instruction send instruction information and acknowledge receipt of the C-RNTI of distribution to base station.

4, base station receives this instruction, sends RRC connection establishment message to UE.

In force, if it occur that collision, UE, after contention resolved timer expiry, does not receive response, Then can use the backoff mechanism of similar RA, agreement one maximum backof value of regulation, UE exists Select a random number between 0-backoff value, again initiate the request of RRC connection establishment.

Example four, the connected state user of DSR is not had to initiate the process of uplink.

For there is no the connected state UE of DSR, if uplink to be initiated, but there is no UL grant, So there is two ways.

One, competition uplink:

If UE is positioned at small-cell and is configured without DSR resource, then when UE has upstream data to send Time, it is possible to use competition ascending resource, compete ascending resource by base station by institute in broadcast signaling notifying cell There is UE.If UE has upstream data to send, but does not has up grant, then can use competition Resource sends BSR or BSR data or directly transmits data when data volume is less, carries UE simultaneously CRNTI information, in order to identification of base stations is the data which UE sends.

Two, grouping competition uplink:

In addition in order to reduce collision, the UE accessing this community can also be grouped by base station, and by specially The RNTI, UE corresponding with the packet and this group scheduling that signal each UE place only belong at it Initiate up competition transmission on the public competitive resource of community group, the up competition content that can transmit of transmission and It is not grouped situation the same.

For above two mode, once uplink unsuccessfully can wait that contention transmission opportunities is again next time Initiate competition transmission or initiation competition uplink again of waiting for a period of time at random.

In force, PUCCH format1a/1b is utilized to carry SR information by ACK/NACK feedback, UL grant is distributed for UE after obtaining SR information in base station.

Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more Computer-usable storage medium containing computer usable program code (include but not limited to disk memory, CD-ROM, optical memory etc.) form of the upper computer program implemented.

The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart The function specified in flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, makes Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know base This creativeness concept, then can make other change and amendment to these embodiments.So, appended right is wanted Ask and be intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.

Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims

1. the method that a community is accessed, it is characterised in that the method includes:

Described network equipment notifying user equipment needs the cell type of the community accessed, so that described user If equipment according to described cell type determine need access community be Microcell, then access time do not perform with Machine access procedure, the descending timing of the community accessed as required sends upstream data.

2. the method for claim 1, it is characterised in that described network equipment notifies that user sets The cell type of the standby community needing to access, including:

Described network equipment needs the little of the community of access by broadcast or dedicated signaling notifying user equipment District's type.

3. method as claimed in claim 2, it is characterised in that described network equipment is logical by broadcast Know that subscriber equipment needs the cell type of the community accessed, including:

Described network equipment is by the Master Information Block MIB in broadcast or system information block SIB1 or SIB2 Notifying user equipment needs the cell type of the community accessed；

The cell type of the community if desired accessed is Microcell, described network equipment in broadcast message not Comprising RACH RACH common configuration information, the cell type of the community if desired accessed is non-micro- Community, described network equipment comprises RACH common configuration information in broadcast message.

4. method as claimed in claim 2, it is characterised in that described network equipment passes through special letter Notifying user equipment is made to need the cell type of the community accessed, including:

Described network equipment sends the radio resource control RRC signaling comprising cell type instruction information； Or

The cell type of the community if desired accessed is Microcell, and described network equipment is in RRC signaling Add timing advance TA indicate and arrange TA be particular value and/or interpolation timing advance timer TAT refer to Showing and arranging TAT is particular value；Or

The cell type of the community if desired accessed is Microcell, and described network equipment is in RRC signaling Not comprising RACH common configuration information, the cell type of the community if desired accessed is non-trivial district, described Network equipment comprises RACH common configuration information in RRC signaling.

5. method as claimed in claim 4, it is characterised in that described RRC signaling is that RRC heavily joins Confidence order or radio bearer RB separate signaling.

6. the method for claim 1, it is characterised in that if described network equipment is target Base station；

Described network equipment determines that subscriber equipment needs the cell type of the community accessed, including:

Described network equipment is by running and safeguard that OAM entity obtains the community that subscriber equipment needs to access Cell type；Or

Described network equipment determines what subscriber equipment needed to access according to self launch power, frequency point information The cell type of community.

7. the method for claim 1, it is characterised in that if described network equipment is source base Stand；

The cell type from target BS that described network equipment is received by inter-base station interface indicates, Determine that subscriber equipment needs the cell type of the community accessed.

8. the method for claim 1, it is characterised in that described network equipment notifies that user sets After the cell type of the standby community needing to access, also include:

Base station belonging to Target cell, after described subscriber equipment accesses community, notifies that described subscriber equipment is up Scheduling grant UL grant, wherein said resource corresponding for UL grant is non-competing running time-frequency resource or competition Running time-frequency resource；Or

Base station belonging to Target cell is delayed when specific, notifies described subscriber equipment UL grant, Qi Zhongsuo State the running time-frequency resource that resource corresponding for UL grant is non-competing running time-frequency resource or competition, described specific time delay It is that subscriber equipment processes reconfiguration message and the base station belonging to Target cell carries out the time delay sum of down-going synchronous.

9. the method for claim 1, it is characterised in that described subscriber equipment needs the little of access District is Microcell, and network equipment is the affiliated base station of the community needing access；

After described network equipment notifying user equipment needs the cell type of the community of access, also include:

Described network equipment, after described subscriber equipment accesses community, does not safeguard the up of described subscriber equipment Synchronize.

10. the method for claim 1, it is characterised in that described subscriber equipment needs the little of access District is Microcell, and network equipment is the affiliated base station of the community needing access；

The resource that described network equipment is transmitted for uplink and downlink competition by broadcast notifying user equipment Position and/or modulation coding mode MCS corresponding to up-downgoing competitive resource；

Described network equipment is receiving after the RRC connection establishment request of subscriber equipment, for described use Family equipment one Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of distribution, and by the public affairs of described RRC connection request Control channel service data cell CCCH SDU, the Medium Access Layer control unit of described C-RNTI altogether MAC CE and UL grant transmits corresponding resource by descending competition, uses corresponding MCS to be sent to Described subscriber equipment；

Described subscriber equipment is after receiving described subscriber equipment and acknowledge receipt of the information of C-RNTI, to described use Family equipment sends RRC connection establishment message.

11. the method for claim 1, it is characterised in that described subscriber equipment needs the little of access District is Microcell, and network equipment is the affiliated base station of the community needing access；

The resource location that described network equipment is transmitted for up competition by broadcast notifying user equipment；

Described network equipment receives described subscriber equipment and utilizes Physical Uplink Control Channel form PUCCH After the feedback information comprising dispatch request SR information that format1a/1b sends, for described user equipment allocation UL grant。

The method that 12. 1 kinds of communities are accessed, it is characterised in that the method includes:

If according to described cell type, described subscriber equipment determines that the community needing to access is Microcell, then connecing Fashionable not performing random access procedure, the descending timing of the community accessed as required sends upstream data.

13. methods as claimed in claim 12, it is characterised in that described subscriber equipment is according to receiving The notice from network equipment, determine the cell type of community needing to access, including:

Described subscriber equipment determines the cell type of the community needing access by broadcast or dedicated signaling.

14. methods as claimed in claim 13, it is characterised in that described subscriber equipment is by broadcast really The cell type of the fixed community needing to access, including:

Described subscriber equipment is little according to comprise in Master Information Block MIB or system information block SIB1 or SIB2 District's type indication information, determines the cell type of the community needing access；Or

Described subscriber equipment does not comprise RACH RACH common configuration in the broadcast message received After information, determine that the cell type needing the community accessed is Microcell, otherwise determine the community needing to access Cell type be non-trivial district.

15. methods as claimed in claim 13, it is characterised in that described subscriber equipment passes through special letter Order determines the cell type of the community needing access, including:

Described subscriber equipment indicates information by the cell type comprised in radio resource control RRC signaling, Determine the cell type of the community needing access；Or

Described subscriber equipment indicates and described TA containing timing advance TA in the RRC signaling received For particular value and/or containing timing advance timer TAT instruction and after described TAT is particular value, determine The cell type needing the community accessed is Microcell, otherwise determines that the cell type needing the community accessed is Non-trivial district；Or

After described subscriber equipment does not comprise RACH common configuration information in the RRC signaling received, determine The cell type needing the community accessed is Microcell, otherwise determines that the cell type needing the community accessed is Non-trivial district.

16. methods as claimed in claim 15, it is characterised in that described RRC signaling is RRC weight Configuration signal or radio bearer RB separate signaling.

17. methods as claimed in claim 12, it is characterised in that described subscriber equipment is according to described little After district's type judges whether to need to perform random access procedure, also include:

If need not perform random access procedure, described subscriber equipment uses competitive resource to send RRC connection Foundation request is used for asking to distribute Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI.

18. methods as claimed in claim 17, it is characterised in that described subscriber equipment uses competition money After source sends the request of RRC connection establishment, also include:

Described subscriber equipment starts contention resolved intervalometer, after timer expiry, if not receiving network side Feedback, generates a random number in predetermined range value, after the moment arrival that this random number is corresponding by the time again Initiate the request of RRC connection establishment.

19. methods as claimed in claim 12, it is characterised in that described subscriber equipment is according to described little After district's type judges whether to need to perform random access procedure, also include:

If need not perform random access procedure, described subscriber equipment is being carried out with the base station accessed belonging to community After down-going synchronous, send upstream data according to the descending timing accessing community.

20. methods as claimed in claim 12, it is characterised in that described subscriber equipment is according to described little After district's type judges whether to need to perform random access procedure, also include:

If need not perform random access procedure, described subscriber equipment is in does not has specific schedule to ask DSR The connected state of resource, and have upstream data to need to send but do not have uplink scheduling to permit UL grant, then described Subscriber equipment use competitive resource send buffer region state reporting BSR or, BSR and data, or only on The data that row is to be transmitted, carry the C-RNTI of described subscriber equipment simultaneously.

21. methods as claimed in claim 12, it is characterised in that described subscriber equipment is according to described little After district's type judges whether to need to perform random access procedure, also include:

If need not perform random access procedure, described subscriber equipment is in connected state, and does not has DSR to join Putting, described subscriber equipment utilizes what Physical Uplink Control Channel form PUCCH format1a/1b sent to comprise The feedback information of dispatch request SR information.

The network equipment that 22. 1 kinds of communities are accessed, it is characterised in that this network equipment includes:

First processing module, needs the cell type of the community accessed for notifying user equipment, so that described If according to described cell type, subscriber equipment determines that the community needing to access is Microcell, then do not hold when accessing Row random access procedure, the descending timing of the community accessed as required sends upstream data.

23. network equipments as claimed in claim 22, it is characterised in that described first processing module Specifically for:

The cell type of the community accessed is needed by broadcast or dedicated signaling notifying user equipment.

24. network equipments as claimed in claim 23, it is characterised in that described first processing module Specifically for:

Needed by the Master Information Block MIB in broadcast or system information block SIB1 or SIB2 notifying user equipment The cell type of community to be accessed；Or the cell type of the community if desired accessed is Microcell, in broadcast Information does not comprise RACH RACH common configuration information, the community class of the community if desired accessed Type is non-trivial district, comprises RACH common configuration information in broadcast message.

25. network equipments as claimed in claim 23, it is characterised in that described first processing module Specifically for:

Send the radio resource control RRC signaling comprising cell type instruction information；Or if desired access The cell type of community is Microcell, adds timing advance TA and indicate and arrange TA in RRC signaling Indicating for particular value and/or interpolation timing advance timer TAT and arrange TAT is particular value；Or if desired The cell type of the community accessed is Microcell, does not comprise RACH common configuration information in RRC signaling, The cell type of the community if desired accessed is non-trivial district, comprises that RACH is public to be joined in RRC signaling Confidence ceases.

26. network equipments as claimed in claim 22, it is characterised in that if described network side sets Standby is target BS；

The described first kind determine module specifically for:

By running and safeguard that OAM entity obtains subscriber equipment and needs the cell type of the community accessed；Or Transmitting power according to self, frequency point information determine that subscriber equipment needs the cell type of the community accessed.

27. network equipments as claimed in claim 22, it is characterised in that if described network side sets Standby is source base station；

The described first kind determine module specifically for:

The cell type from target BS received by inter-base station interface is indicated, and determines that subscriber equipment needs The cell type of community to be accessed.

28. network equipments as claimed in claim 22, it is characterised in that described network equipment is Target BS, described first processing module is additionally operable to:

After described subscriber equipment accesses community, notify that described subscriber equipment uplink scheduling permits UL grant, Wherein said resource corresponding for UL grant is the running time-frequency resource of non-competing running time-frequency resource or competition；Or spy After fixed response time, notifying described subscriber equipment UL grant, wherein said resource corresponding for UL grant is non-competing The running time-frequency resource striven or the running time-frequency resource of competition, described specific time delay be subscriber equipment process reconfiguration message and Base station belonging to Target cell carries out the time delay sum of down-going synchronous.

29. network equipments as claimed in claim 22, it is characterised in that described subscriber equipment needs The community accessed is Microcell, and network equipment is the affiliated base station of the community needing access；

Described first processing module is additionally operable to: after described subscriber equipment accesses community, do not safeguard described user The uplink synchronous of equipment.

30. network equipments as claimed in claim 22, it is characterised in that described subscriber equipment needs The community accessed is Microcell, and network equipment is the affiliated base station of the community needing access；

Described first processing module is additionally operable to:

After notifying user equipment needs the cell type of the community of access, used by broadcast notifying user equipment The resource location of transmission and/or the modulation coding mode that up-downgoing competitive resource is corresponding is competed in uplink and downlink MCS；Receiving after the RRC connection establishment request of subscriber equipment, for described user equipment allocation one Individual Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, and by the CCCH industry of described RRC connection request Business data cell CCCH SDU, Medium Access Layer control unit MAC CE and UL of described C-RNTI Grant, by the resource of descending competition transmission correspondence, uses corresponding MCS to be sent to described subscriber equipment； After receiving described subscriber equipment and acknowledge receipt of the information of C-RNTI, send RRC to described subscriber equipment Connection establishment message.

31. network equipments as claimed in claim 22, it is characterised in that described subscriber equipment needs The community accessed is Microcell, and network equipment is the affiliated base station of the community needing access；

Described first processing module is additionally operable to:

After notifying user equipment needs the cell type of the community of access, used by broadcast notifying user equipment Resource location in up competition transmission；Receive described subscriber equipment and utilize Physical Uplink Control Channel form After the feedback information comprising dispatch request SR information that PUCCH format1a/1b sends, for described user Equipment distribution UL grant.

The subscriber equipment that 32. 1 kinds of communities are accessed, it is characterised in that this subscriber equipment includes:

Second processing module, if for determining that the community needing to access is Microcell according to described cell type, Then not performing random access procedure when accessing, the descending timing of the community accessed as required sends upper line number According to.

33. subscriber equipmenies as claimed in claim 32, it is characterised in that described Second Type determines mould Block specifically for:

The cell type of the community needing access is determined by broadcast or dedicated signaling.

34. subscriber equipmenies as claimed in claim 33, it is characterised in that described Second Type determines mould Block specifically for:

According to the cell type instruction letter comprised in Master Information Block MIB or system information block SIB1 or SIB2 Breath, determines the cell type of the community needing access；Or in the broadcast message received, do not comprise Stochastic accessing After channel RACH common configuration information, determine that the cell type needing the community accessed is Microcell, otherwise Determine that the cell type needing the community accessed is non-trivial district.

35. subscriber equipmenies as claimed in claim 33, it is characterised in that described Second Type determines mould Block specifically for:

Indicate information by the cell type comprised in radio resource control RRC signaling, determine that needs connect The cell type of the community entered；Or containing timing advance TA instruction and institute in the RRC signaling received Stating TA is particular value and/or containing timing advance timer TAT instruction and after described TAT is particular value, Determine that the cell type needing the community accessed is Microcell, otherwise determine the community class of the community needing access Type is non-trivial district；Or after not comprising RACH common configuration information in the RRC signaling received, determine The cell type needing the community accessed is Microcell, otherwise determines that the cell type needing the community accessed is Non-trivial district.

36. subscriber equipmenies as claimed in claim 32, it is characterised in that described second processing module is also For:

After judging whether to need to perform random access procedure according to described cell type, if need not to perform with After machine access procedure, use competitive resource send the request of RRC connection establishment be used for asking distributing community without Line Network Temporary Identifier C-RNTI.

37. subscriber equipmenies as claimed in claim 36, it is characterised in that described second processing module is also For:

After using competitive resource to send the request of RRC connection establishment, start contention resolved intervalometer, fixed Time device time-out after, if not receiving the feedback of network side, in predetermined range value generate a random number, wait until The moment that this random number is corresponding initiates the request of RRC connection establishment after arriving again.

38. subscriber equipmenies as claimed in claim 32, it is characterised in that described second processing module is also For:

After judging whether to need to perform random access procedure according to described cell type, if need not to perform with After machine access procedure, after carrying out down-going synchronous with the base station accessed belonging to community, according to accessing community Descending timing sends upstream data.

39. subscriber equipmenies as claimed in claim 32, it is characterised in that described second processing module is also For:

After judging whether to need to perform random access procedure according to described cell type, if need not to perform with Machine access procedure, and described subscriber equipment is in the connected state not having specific schedule request DSR, and on having Row data need to send but do not have uplink scheduling to permit UL grant, then use competitive resource to send relief area shape State report BSR or, BSR and data, or only send upstream data, carry described subscriber equipment simultaneously C-RNTI。

40. subscriber equipmenies as claimed in claim 32, it is characterised in that described second processing module is also For:

After judging whether to need to perform random access procedure according to described cell type, if need not to perform with Machine access procedure, and described subscriber equipment is in connected state, and do not have DSR to configure, utilize physical uplink Control the feedback information comprising dispatch request SR information that channel format PUCCH format1a/1b sends.

The system that 41. 1 kinds of communities are accessed, it is characterised in that this system includes:

Subscriber equipment, if for determining that the community needing to access is Microcell according to described cell type, then existing Not performing random access procedure during access, the descending timing of the community accessed as required sends upstream data.