CN103906236B - A kind of method that user obtains Master Information Block information - Google Patents
A kind of method that user obtains Master Information Block information Download PDFInfo
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Abstract
A kind of method that user obtains Master Information Block information, including：UE has PBCH IC abilities, and UE changes the cycle in BCCH and monitors the system message after updating, and UE obtains mib information；UE does not have a PBCH IC abilities, and it is enough by protection resource that eNB determines whether the current BCCH modification cycle has：If having, eNB sends the high-level signaling of mib information after carrying renewal on by protection resource to UE, and UE obtains mib information；If no, eNB sends the mib information after updating to UE by high-level signaling in the next BCCH modifications cycle by protection resource, UE obtains mib information.The invention also discloses a kind of base station.After using the embodiment of the present invention, ensure that all CRE areas connected state UE can timely and reliably obtain mib information.
Description
Technical field
The application is related to communication technical field, obtains Master Information Block more particularly, to a kind of user（MIB）Information
Method.
Background technology
In LTE-Advanced networks, cell coverage area is covered and expanded in order to provide focus, introduce isomery
The network structure of net.Heterogeneous network is referred in macro base station（Macro eNB）In overlay area, lower powered node is disposed, so as to shape
Into the heterogeneous network system comprising different node types.Low power nodes can include femto base station（PeNB）, Home eNodeB
（Home eNB）And relay base station（Relay eNB）One or more therein.
Under various base stations united deployment scenarios, when Microcell adopts 9dB CRE bias, extend in overlay area
（CRE）The UE in area can be subject to the severe jamming of macrocell, so that taking certain measure to ensure that UE is properly received MIB, is
System chunk（SIB）The system broadcast message such as 1.Mib information includes System Frame Number（SFN）, Physical HARQ Indicator Channel（PHICH）
Configuration information and system bandwidth, additionally imply antenna end number information.Carried by PBCH, UE correctly demodulates physical broadcast letter
Road（PBCH）Acquisition MIB is can guarantee that.
The source of CRE areas PUE has two kinds：
Scene 1：Macro UE（MUE）Pico CRE are moved into from macrocell, Pico cells are switched to.
Scene 2：PUE moves into CRE areas from small district center.
For scene 1, the reliable mib information for obtaining Pico cells is the precondition and guarantee for completing to switch.For scene 2,
When the mib information of Pico cells has renewal, UE needs to obtain the mib information after updating in time.It should be noted that MUE cuts
After changing to Pico cells CRE area, when the mib information of Pico cells has renewal, UE is also required to obtain as scene 2 and updates
Mib information afterwards.
In 3GPP meeting motions, under Pico cell application 9dB CRE bias, CRE areas PUE obtains mib information following
Scheme：
Scheme one：ENB signaling schemes.
For scene 1：MUE will be switched to Pico cells, and the MIB relevant informations of Pico cells can be by Macro cells
UE is sent to by RRC signaling.
For scene 2：When system information has renewal, mib information passes through high-level signaling by PeNB in by protection resource
It is sent to UE.
Scheme two：Based on the receiver scheme of PBCH-IC, that is, rely on UE and realize that PBCH interference is eliminated.That is UE detections are capable and experienced
The PBCH of cell is disturbed, and then this interference signal is balanced out in the PBCH having been received by.Strong jamming cell is measured
PBCH, then in signal is received eliminates these interference PBCH, just can preferably obtain the PBCH for wanting to receive.
Scheme one covers scene 1 and scene 2, and mib information is sent to UE by the method for signaling, high with reliability
Advantage.But compared to PBCH-IC schemes, eNB signaling schemes have three shortcomings.It is to produce impact to specification first, specifically
For be to need to increase newly in the signaling the information unit for carrying mib information, and UE will be changed obtain mib information flow process.Next to that
Signaling consumption than larger, especially when CRE areas PUE quantity is larger, such as dispose by focus.Finally, it is related to the scheme needs of signaling
PDCCH detects that this needs to know the PHICH persistent period again, and the PHICH persistent period is carried by MIB, thus is a circulation
Restriction problem.
Scheme two relies on UE and realizes that PBCH interference is eliminated, and opens with, saving signaling little on specification impact compared to scheme one
The advantage of pin.But UE algorithm complexes and cost can be increased, while not all UE has PBCH-IC abilities, such as
R10UE, it is impossible to ensure all CRE areas connected state UE in time and reliably obtain mib information.
The content of the invention
The embodiment of the present invention proposes a kind of method that UE obtains mib information, ensure that all CRE areas connected state UE can
Mib information is obtained timely and reliably.
The technical scheme of the embodiment of the present invention is as follows：
A kind of method that user obtains Master Information Block information, methods described include：
There is user UE Physical Broadcast Channel-interference to eliminate（PBCH-IC）Ability, UE are changed in BCCH channel of broadcast control
Cycle monitors the system message after updating, and carries out PBCH-IC according to the system message after renewal, and UE obtains Master Information Block MIB letters
Breath；
UE does not have a PBCH-IC abilities, and base station eNB determines that the current BCCH modification cycle has enough by protection resource, then
The mib information after updating is sent to UE by high-level signaling in the current BCCH modifications cycle by protection resource, UE is obtained
Mib information after renewal；
UE does not have a PBCH-IC abilities, and eNB determines that the current BCCH modification cycle does not have enough by protection resource, then exist
Being protected in the current BCCH modification cycles send the PHICH configuration informations after updating to UE by high-level signaling in resource；eNB
Next BCCH change the cycle by protection resource on renewal is sent by high-level signaling after mib information to UE, UE according to
After renewal, PHICH configuration informations correctly demodulate PDCCH, then demodulate the high-level signaling for carrying mib information, so as to obtain more
Mib information after new.
Methods described is further included：Inquire to UE transmitting capacities in eNB, UE is reported with PBCH-IC or do not had to eNB
There is the self-ability information of PBCH-IC.
The eNB determines that the current BCCH modification cycles have enough resources of being protected to include：
ENB is according to the not number with PBCH-IC abilities UE, the almost blank subframe of macrocell configuration（ABS）It is subframe, micro-
TDD UL/DL sub-frame configurations that cell is used and within the current BCCH modifications cycle by protection resource, it is determined that current BCCH is repaiied
The cycle of changing has enough by protection resource.
Being protected within the current BCCH modifications cycle send the mib information after updating by high-level signaling in resource
Include to UE：
ENB within the current BCCH modifications cycle last several radio frames by protection resource, sent by high-level signaling
Mib information after renewal is to UE.
The eNB determines that the current BCCH modification cycles do not have enough resources of being protected to include：
The TDD that eNB is used according to the not number with PBCH-IC abilities UE, the ABS subframes of macrocell configuration, Microcell
UL/DL sub-frame configurations and within the current BCCH modifications cycle by protection resource, it is determined that the current BCCH modification cycles are without enough
By protection resource.
Being protected within the current BCCH modifications cycle sends the PHICH after updating by high-level signaling in resource and matches somebody with somebody
Confidence is ceased to UE to be included：
ENB within the current BCCH modifications cycle last several radio frames by protection resource, sent by high-level signaling
PHICH configuration informations after renewal are to UE.
The eNB changes being protected for cycle in next BCCH and send the MIB after updating by high-level signaling in resource
Information includes to UE：
ENB before the next BCCH modifications cycle several radio frames by protection resource, sent more by high-level signaling
Mib information after new is to UE.
A kind of base station, if user UE does not have PBCH-IC abilities,
The base station eNB determines that the current BCCH modification cycle has enough by protection resource, then described by protection resource
It is upper that mib information after updating is sent to UE by high-level signaling；
The eNB determines that the current BCCH modification cycle does not have enough by protection resource, then change the cycle in current BCCH
Interior being protected send the PHICH configuration informations after updating to UE by high-level signaling in resource；The eNB is in next BCCH
Being protected for modification cycle send the mib information after updating to UE by high-level signaling in resource.
The eNB is used according to the not number with PBCH-IC abilities UE, the ABS subframes of macrocell configuration, Microcell
TDD UL/DL sub-frame configurations and by protection resource within the current BCCH modifications cycle, it is determined that whether the current BCCH modification cycles have
Enough is protected resource.
As can be seen that whether possessing PBCH-IC abilities point according to UE in embodiments of the present invention from above-mentioned technical proposal
Situation process.UE has PBCH-IC abilities, and UE changes the cycle in BCCH and monitors the system message after updating, after renewal
System message carries out PBCH-IC, and UE obtains mib information；UE does not have PBCH-IC abilities, when eNB determines current BCCH modifications week
Phase has enough by protection resource, then it is described by protection resource on renewal is sent by high-level signaling after mib information to UE,
UE updated after mib information, and next BCCH modification the cycle arrive when come into force；When eNB determines current BCCH modifications
Cycle does not have enough by protection resource, then by high-level signaling transmission in the current BCCH modifications cycle by protection resource
PHICH configuration informations after renewal are to UE；ENB is changed being protected for cycle in next BCCH and sent out by high-level signaling in resource
Send the mib information after updating to UE, UE correctly demodulates PDCCH according to PHICH configuration informations after renewal, then demodulates the carrying
The high-level signaling of mib information after renewal, so as to obtain mib information.So, no matter whether UE possesses PBCH-IC abilities, can
Mib information is obtained timely and reliably.
Description of the drawings
Fig. 1 is the method flow schematic diagram that UE obtains mib information；
Fig. 2 is the high-level signaling resource location schematic diagram that eNB carries mib information after renewal；
Fig. 3 is the high-level signaling resource location that eNB carries PHICH configuration informations after renewal, and sends MIB letters after renewal
The high-level signaling resource location schematic diagram of breath；
Fig. 4 is that one UE of embodiment obtains MIB schematic flow sheets；
Fig. 5 is that two UE of embodiment obtains MIB schematic flow sheets；
Fig. 6 is that three UE of embodiment obtains MIB schematic flow sheets；
Workflow schematic diagrams of the Fig. 7 for eNB.
Specific embodiment
Must become more apparent to express the object, technical solutions and advantages of the present invention, below in conjunction with the accompanying drawings and specifically
The present invention is further described in more detail for embodiment.
In embodiments of the present invention, for all CRE areas UE in RRC connected states（Including being switched to by Macro cells
The UE of Pico cells and two classes of UE in CRE areas are moved to by Pico center of housing estate region）, according to whether with PBCH-IC abilities
It is divided into two classes：One class supports the UE of PBCH-IC；The another kind of UE not support PBCH-IC i.e. tradition UE.For support PBCH
The UE of IC：Network does not do interference coordination, carries out PBCH-IC by UE；For traditional UE：Mib information is by high-level signaling in quilt
Protection resource（That is the corresponding subframe of Macro cell configurations ABS subframe）Issue UE.
Technical scheme is described in detail 1 below in conjunction with the accompanying drawings, specifically include following steps：
Whether step 101, UE have PBCH-IC abilities.
Whether UE there is PBCH-IC abilities to need to send UE capability enquiry messages by network, then UE according to inquire into
Row capability reporting.UE has PBCH-IC abilities, then execution step 102；UE does not have PBCH-IC abilities, then execution step 103.
Step 102, UE monitor the system message after updating to obtain mib information.
User UE has PBCH-IC abilities, and UE changes the cycle in BCCH and monitors the system message after updating, after renewal
System message carry out PBCH-IC, UE obtains mib information.Wherein, PBCH-IC is carried out according to the system message after renewal, and is obtained
It is prior art to take mib information.
It is enough by protection resource that step 103, eNB determine whether the current BCCH modification cycle has.Referred to by protection resource
Macro base station configures the resource of almost blank subframe.
ENB is according to each UE capability reportings, it is determined that the not number with PBCH-IC abilities UE, then consider macrocell and match somebody with somebody
TDD UL/DL sub-frame configurations that the ABS subframes put, Microcell use and within the current BCCH modifications cycle by protection resource,
It is determined that the current BCCH modification cycles have enough by protection resource.Where it is determined whether there is enough resources of being protected to be existing
Technology.
ENB determines that the current BCCH modification cycle has enough by protection resource, then execution step 104；ENB determines current
The BCCH modification cycles do not have enough by protection resource, then execution step 105.
Step 104, eNB send mib information by high-level signaling in the current BCCH modifications cycle by protection resource.
UE does not have a PBCH-IC abilities, and eNB determines that the current BCCH modification cycle has enough by protection resource, then working as
Being protected in the front BCCH modifications cycle send the mib information after updating to UE by high-level signaling in resource, and UE is by demodulation
Corresponding high-level signaling and obtain the mib information after updating.
Referring to accompanying drawing 2, the new mib information time is stored in order to reduce UE, can change the cycle in current BCCH（n）Group
Being protected for several radio frames send in resource afterwards.
After step 105, eNB in the current BCCH modifications cycle by protection resource are sent and are updated by high-level signaling
PHICH configuration informations are to UE.
UE does not have a PBCH-IC abilities, and eNB determines that the current BCCH modification cycle does not have enough by protection resource, then
The PHICH configuration informations after updating are sent to UE by high-level signaling in the current BCCH modifications cycle by protection resource.
After step 106, eNB in the next BCCH modifications cycle by protection resource are sent and are updated by high-level signaling
Mib information to UE.
As each BCCH changes cycle at least 320ms, there are enough MIB after updating that sent by protection resource to believe
Breath.Therefore, eNB changes being protected for cycle in next BCCH and send the mib information after updating by high-level signaling in resource
To UE, UE correctly demodulates PDCCH according to the PHICH configuration informations that step 105 is obtained, mib information after then demodulation is carried and updated
High-level signaling, so as to obtain mib information.
Additionally, referring to accompanying drawing 3, within the current BCCH modifications cycle last several radio frames by protection resource, send
The high-level signaling of PHICH configuration informations after updating is carried to UE.Due to next BCCH modification the cycle arrive when, system
New mib information can be used, in order that the mib information after UE is updated as early as possible, eNB is before the next BCCH modifications cycle
Being protected in resource for several radio frames, sends the mib information after updating to UE by high-level signaling.
In addition, present invention also offers a kind of base station, on the basis of the function of existing base station, the base station in the present invention also has
There is following function.
ENB determines that the current BCCH modification cycle has enough by protection resource, then it is described by protection resource on by height
Layer signaling sends the mib information after updating to UE；
ENB determines that the current BCCH modification cycle does not have enough by protection resource, then within the current BCCH modifications cycle
Protected to send by high-level signaling in resource the PHICH configuration informations after updating are carried to UE；The eNB is in next BCCH
Being protected for modification cycle send the mib information after updating to UE by high-level signaling in resource.
The TDD that eNB is used according to the not number with PBCH-IC abilities UE, the ABS subframes of macrocell configuration, Microcell
UL/DL sub-frame configurations and by protection resource within the current BCCH modifications cycle, it is determined that whether the current BCCH modification cycles have enough
By protection resource.
Embodiment one
Accompanying drawing 4 is that UE obtains MIB schematic flow sheets, specifically includes following steps：
401st, network sends UE Capability queries, and whether inquiry UE has PBCH-IC abilities.In RRC connected states, UE abilities can
To initiate to inquire by network, UE reports self-ability information.
402nd, inquiries of the UE according to network, reports support PBCH-IC.
403rd, system message will change.For mib information, system bandwidth and System Frame Number frequently will not change,
PHICH configuration informations are susceptible to change.
404th, eNB changes cycle sending system information amendment advice in current BCCH.Two germlines that TD-LTE system is supported
The advice method of system information change（SystemInfo ValueTag are carried in beep-page message and SIB1）All may be used in this case
Use.
405th, the next one BCCH modification cycles are waited to arrive, the system information after renewal is in next BCCH modification cycle lifes
Effect.
406th, eNB changes the cycle using the system information after updating in next BCCH.
If eNB sending system information amendment advices are to change the cycle in BCCH（n）, then system is in the BCCH modification cycles（n+
1）Using new system information.Transmit on the fixed position that mib information specifies in agreement, i.e. 0 work song frame of each radio frames,
Front 4 OFDM symbols of second time slot, the 1.08MHz that frequency domain is accounted in the middle of system bandwidth（72 subcarriers）.
407th, UE changes the cycle in next BCCH and monitors the system information after updating.The purpose of this operation of UE be
Under the premise of ensureing the concordance understood to system information with system, the system information after updating is received.
408th, UE receives the system message after updating, and carries out PBCH-IC, obtains new mib information.
Embodiment two
ENB knows that UE does not have PBCH-IC abilities first, then judges whether there be enough guarantor in current Modification Period
Shield resource, to ensure that all UE can reliably obtain the mib information of renewal.If whether having enough guarantor in current Modification Period
Shield resource, then take the technical scheme in embodiment two；Otherwise, take the scheme in embodiment three.
It is that UE obtains MIB schematic flow sheets in embodiment two referring to accompanying drawing 5, specifically includes following steps：
501st, network sends UE Capability queries, and whether inquiry UE has PBCH-IC abilities.In RRC connected states, UE abilities can
To initiate to inquire by network, UE reports self-ability information.
502nd, inquiries of the UE according to network, reports.
503rd, micro- eNB system informations will change.
504th, eNB changes the cycle in current BCCH（May be assumed that the current BCCH modification cycles are n）Sending system information is changed
Notify.
505th, after eNB sending systems information amendment advice, carry out signaling and assist UE to obtain mib information pretreatment.Pretreatment
It is in current Modification Period to be judged, whether have enough by protection resource so that all UE for not supporting PBCH-IC can lead to
Cross signaling assistance mode updated after mib information, and correspondingly determine which is protected resource at（Macrocell is configured
The corresponding subframe of ABS subframes）The high-level signaling for carrying mib information is sent to UE.Referring specifically to step 103.
506th, the protection resource moment specified in waiting step 505 is arrived.
507th, eNB is sent to UE by high-level signaling mib information in fixed resource.
508th, UE receives high-level signaling, obtains the mib information after updating.
Embodiment three
It is that UE obtains MIB schematic flow sheets in embodiment three referring to accompanying drawing 6, specifically includes following steps：
601st, network sends UE Capability queries, and whether inquiry UE has PBCH-IC abilities.In RRC connected states, UE abilities can
To initiate to inquire by network, UE reports self-ability information.
602nd, inquiries of the UE according to network, reports.
603rd, micro- eNB system informations will change.
604th, eNB changes the cycle in current BCCH（May be assumed that the current BCCH modification cycles are n）Sending system information is changed
Notify.
605th, after eNB sending systems information amendment advice, carry out signaling and assist UE to obtain mib information pretreatment.Pretreatment
It is in current Modification Period to be judged, whether have enough by protection resource so that all UE for not supporting PBCH-IC can lead to
Cross signaling assistance mode updated after mib information, and correspondingly determine which is protected resource at（Macrocell is configured
The corresponding subframe of ABS subframes）The high-level signaling for carrying mib information is sent to UE.Referring specifically to step 103.
606th, eNB sends the PHICH configuration informations after updating to UE, it is therefore an objective to so that UE changes the cycle in next BCCH
Correct demodulation PDCCH.
607th, the next one BCCH modification cycles（n+1）Start, system is using the system information after updating.
608th, eNB passes through mib information to be sent to UE in the resource that high-level signaling is determined in 605.
609th, UE receives high-level signaling, according to the PHICH configuration informations obtained from 606, first correct to demodulate PDCCH, so
The high-level signaling for receiving in this step is demodulated afterwards, so as to obtain the mib information after updating.
In the comprehensive solution that UE proposed by the present invention obtains MIB, whether eNB sides need Xian Jiang CRE area PUE foundations
Classified with PBCH-IC abilities, signaling is then carried out to traditional UE and assists to obtain the mib information after updating.
Referring to accompanying drawing 7, it is the workflow schematic diagram of eNB, comprises the following steps：
701st, micro- eNB sends UE Capability queries.Purpose is to know whether UE has PBCH-IC abilities.
702nd, receive the ability information that UE is reported.
703rd, system information will change, eNB sending system information amendment advices.
704th, for the UE for supporting PBCH-IC, system does not do interference coordination.
For the UE for not supporting PBCH-IC, eNB needs to judge whether there be enough protection in the current BCCH modification cycles
Resource, obtains the mib information after updating to ensure that all traditional UE can be transferred through high-level signaling.Concrete judge process is referring to step
103。
705th, there are enough resources of being protected in the current BCCH modifications cycle, eNB determines the cycle to be changed in current BCCH
Which resource on send carry mib information high-level signaling to UE.
706th, the protection resource moment for determining in waiting step 705 is arrived.
707th, the high-level signaling of carrying mib information is sent in fixed resource.
708th, in the current BCCH modifications cycle, no enough protected resource, eNB determine to send the PHICH after updating
The time-domain resource of the mib information after configuration information and renewal.The transmission of PHICH was limited in the current BCCH modifications cycle, MIB letters
The transmission of breath is limited to the next BCCH modification cycles.
709th, within the current BCCH modifications cycle, according to the resource allocation in step 708, eNB is sent to UE after updating
PHICH configuration informations.
710th, the new BCCH modification cycles arrive, and send and carry mib information in the resource that eNB distributes in step 708
High-level signaling.
In the inventive solutions, public reference signal interference is being supported to eliminate（CRS-IC）On the basis of,
For UE supports that PBCH-IC implementation complexity will not increase a lot, the also very little of the impact to specification.UE supports that PBCH-IC can be obtained
Obtain good performance to be lifted, ensure that reliable detection PBCH, obtain mib information.But for not supporting the UE of PBCH-IC, because
And need signaling to support that tradition UE obtains mib information as supplement.Technical scheme is taken to can ensure that a part of UE
Can be very good to obtain mib information, be unlikely to another part UE again and can not obtain mib information.And only need to mib information to pass through
High-level signaling issues traditional UE, saves signaling consumption.
The above, only presently preferred embodiments of the present invention is not intended to limit protection scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of method that user obtains Master Information Block information, it is characterised in that methods described includes：
There is user UE Physical Broadcast Channel-interference to eliminate (PBCH-IC) ability, and UE changes the cycle in BCCH channel of broadcast control
The system message after updating is monitored, PBCH-IC is carried out according to the system message after renewal, UE obtains Master Information Block mib information；
UE does not have a PBCH-IC abilities, and base station eNB determines that the current BCCH modification cycle has enough by protection resource, then working as
Being protected in the front BCCH modifications cycle send the mib information after updating to UE by high-level signaling in resource, and UE is obtained and updated
Mib information afterwards；
UE does not have a PBCH-IC abilities, and eNB determines that the current BCCH modification cycle does not have enough by protection resource, then current
Being protected in the BCCH modification cycles send the PHICH configuration informations after updating to UE by high-level signaling in resource；ENB is under
Being protected for one BCCH modification cycle send the mib information after updating to UE by high-level signaling in resource, and UE is according to renewal
PHICH configuration informations correctly demodulate PDCCH afterwards, then demodulate the high-level signaling for carrying mib information, so as to obtain after renewal
Mib information.
2. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that methods described is further wrapped
Include：Inquire to UE transmitting capacities in eNB, UE reports the self-ability information with PBCH-IC or without PBCH-IC to eNB.
3. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that the eNB determines current
The BCCH modification cycles have enough resources of being protected to include：
ENB is used according to the not number with PBCH-IC abilities UE, the almost blank subframe (ABS) of macrocell configuration, Microcell
TDD UL/DL sub-frame configurations and within the current BCCH modifications cycle by protection resource, it is determined that the current BCCH modification cycles have
Enough is protected resource.
4. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that described to change in current BCCH
Being protected in the cycle sends the mib information after updating by high-level signaling in resource to be included to UE：
ENB within the current BCCH modifications cycle last several radio frames by protection resource, sent by high-level signaling and updated
Mib information afterwards is to UE.
5. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that the eNB determines current
The BCCH modification cycles do not have enough resources of being protected to include：
The TDD UL/ that eNB is used according to the not number with PBCH-IC abilities UE, the ABS subframes of macrocell configuration, Microcell
DL subframe configure and within the current BCCH modifications cycle by protection resource, it is determined that the current BCCH modification cycles do not have enough quilts
Protection resource.
6. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that described to change in current BCCH
Being protected in the cycle sends the PHICH configuration informations after updating by high-level signaling in resource to be included to UE：
ENB within the current BCCH modifications cycle last several radio frames by protection resource, sent by high-level signaling and updated
PHICH configuration informations afterwards are to UE.
7. the method that UE obtains Master Information Block information according to claim 1, it is characterised in that the eNB is in the next one
The mib information in resource after high-level signaling transmission updates of being protected in BCCH modification cycles includes to UE：
ENB before the next BCCH modifications cycle several radio frames by protection resource, after high-level signaling sends and updates
Mib information to UE.
8. a kind of base station, it is characterised in that if user UE does not have PBCH-IC abilities,
The base station eNB determines that the current BCCH modification cycle has enough by protection resource, then it is described by protection resource on lead to
Cross high-level signaling the mib information after updating is sent to UE；
The eNB determines that the current BCCH modification cycle does not have enough by protection resource, then within the current BCCH modifications cycle
Protected and the PHICH configuration informations after updating are sent to UE by high-level signaling in resource；The eNB is changed in next BCCH
Being protected for cycle send the mib information after updating to UE by high-level signaling in resource.
9. base station according to claim 8, it is characterised in that the eNB according to the not number with PBCH-IC abilities UE,
TDD UL/DL sub-frame configurations and being protected within the current BCCH modifications cycle that the ABS subframes of macrocell configuration, Microcell use
Shield resource, it is determined that the current BCCH modification cycles whether have enough by protection resource.
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| CN201210573985.8A CN103906236B (en) | 2012-12-26 | 2012-12-26 | A kind of method that user obtains Master Information Block information |
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| CN201210573985.8A CN103906236B (en) | 2012-12-26 | 2012-12-26 | A kind of method that user obtains Master Information Block information |
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| CN106559805B (en) * | 2015-09-25 | 2020-01-14 | 联芯科技有限公司 | Method and device for improving PBCH demodulation performance of physical channel |
| CN106559775B (en) * | 2015-09-25 | 2020-09-25 | 成都鼎桥通信技术有限公司 | Method and device for updating system information in LTE (Long term evolution) system |
| TW201822566A (en) * | 2016-12-01 | 2018-06-16 | 財團法人資訊工業策進會 | Base station, user equipment and wireless communication method |
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| CN101889465A (en) * | 2007-12-05 | 2010-11-17 | 诺基亚西门子通信公司 | Method for accelerating system information acquisition |
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| WO2009079820A1 (en) * | 2007-12-12 | 2009-07-02 | Zte Corporation | Method for informing ue of system message update in a long term evolution planning system |
| EP2255585B1 (en) * | 2008-03-16 | 2019-05-08 | LG Electronics Inc. | Method and apparatus for acquiring resource allocation of control channel |
| US8416891B2 (en) * | 2009-07-16 | 2013-04-09 | Telefonaktiebolaget L M Ericsson (Publ) | Optimized physical broadcast channel reception |
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| Title |
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| MIB acquisition for pico CRE UEs;Qualcomm Incorporated;《3GPP TSG-RAN WG1 #70》;20120817;全文 * |
| MIB acquisition for pico CRE UEs;Qualcomm Incorporated;《3GPP TSG-RAN WG1 #70bis》;20121012;全文 * |
| Obtaining of system information at 9dB CRE bias;MediaTek Inc.;《3GPP TSG-RAN WG1 Meeting #69》;20120525;全文 * |
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