CN102685827A - Access method, user equipment and base stations - Google Patents
Access method, user equipment and base stations Download PDFInfo
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- CN102685827A CN102685827A CN2011100605693A CN201110060569A CN102685827A CN 102685827 A CN102685827 A CN 102685827A CN 2011100605693 A CN2011100605693 A CN 2011100605693A CN 201110060569 A CN201110060569 A CN 201110060569A CN 102685827 A CN102685827 A CN 102685827A
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
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Abstract
The invention discloses an access method, user equipment and base stations, which belong to the field of communication networks. The access method comprises the following steps: when a target base station allows user equipment covered by a source base station to be switched to the target base station, the user equipment receives a switching instruction which is sent from the source base station and comprises at least one composition carrier of the target base station and subframe configuration information of the composition carrier; and then the user equipment accesses the target base station according to the at least one composition carrier of the target base station and the subframe configuration information of the composition carrier. According to the embodiment of the invention, as the UE is informed of the carrier composition and the subframe configuration of the target base station in a switching process, the UE obtains the configuration conditions of upstream and downstream subframes of the target base station, so that the UE can choose a correct access process according to the configuration of the upstream and downstream subframes, the phenomena of communication disconnection and the like caused by the different carriers of the different base stations are avoided, and the communication efficiency is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of cut-in method, subscriber equipment and base station.
Background technology
LTE-A (LTE-Advance, R10, the evolution of LTE) is the further enhancing of LTE R8 technology, and the LTE-A system has the bandwidth requirement that system is higher than LTE (Long Term Evolution, Long Term Evolution).In order to satisfy the requirement of LTE-A, support peak data rate up to 1Gbits/s, the LTE-A system is with the method for CA (Component Aggregation, carrier aggregation) technology as its expanding system bandwidth.The main thought of carrier aggregation is exactly the carrier wave that a plurality of composition CC (Component Carrier, carrier wave) is pooled a bigger bandwidth, and to support high data rate, system bandwidth can be formed carrier aggregation by maximum 5 and form.
In LTE R10 TDD system, when UE when a sub-district switches to another sub-district, need not consider the uplink-downlink configuration of carrier wave, because their configuration all is identical.When switching, UE can carry out the non-competing access at random to target eNB.When the carrier aggregation that adopts different ascending-descending subframes configurations, then have neighbours eNB configuration condition of different, this moment when UE when an eNB switches to another eNB, just need the ascending-descending subframes configuring condition of the TDD different carrier of signaling target eNB.
After prior art was analyzed, the inventor found that prior art has following shortcoming at least:
When system is that TDD and target eNB are when being a plurality of composition carrier wave; The fuzzy problem that does not have corresponding MECHANISM SOLUTION never to dispose with the different ascending-descending subframes of carrier wave; It is the ascending-descending subframes configuring condition that UE does not know each carrier wave of target eNB; Like this UE just do not know a carrier wave which be sub-frame of uplink which be descending sub frame, can't send and insert preamble at random, can't know accurately also where target eNB sends accidental access response message etc.
Summary of the invention
The embodiment of the invention provides a kind of cut-in method, subscriber equipment and base station.Said technical scheme is following:
A kind of cut-in method, wherein, target BS allows the subscriber equipment under the source base station covering to switch to said target BS, comprising:
Said subscriber equipment receives the switching command that said source base station sends, and said switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of said composition carrier wave;
Said subscriber equipment inserts said target BS according at least one the composition carrier wave of said target BS and the subframe configuration information of said composition carrier wave.
A kind of cut-in method, target BS allow the subscriber equipment under the source base station covering to switch to said target BS, comprising:
Said source base station receives the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprises that said target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave;
Said source base station sends switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprises that target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave.
A kind of cut-in method, wherein, target BS allows the subscriber equipment under the source base station covering to switch to said target BS, comprising:
Said subscriber equipment receives the switching command that said source base station sends, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Said subscriber equipment has composition carrier wave, at least one on-fixed configuration of fixed configurations according at least one of said target BS the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed inserts said target BS.
A kind of cut-in method, wherein, target BS allows the subscriber equipment under the source base station covering to switch to said target BS, comprising:
Said source base station receives the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprise said target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Said source base station sends switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations.
A kind of cut-in method, wherein target BS allows the subscriber equipment under the source base station covering to switch to said target BS, comprising:
Said subscriber equipment receives the switching command that said source base station sends, said switching command comprise said target BS at least one have the composition carrier wave of fixed configurations;
Said subscriber equipment inserts said target BS according to the subframe configuration information that at least one of said target BS has the composition carrier wave of fixed configurations;
Said subscriber equipment is accomplished after the access of said target BS; Receive the reconfiguration message that said target BS sends, said reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that said on-fixed disposes.
A kind of cut-in method, wherein, target BS allows the subscriber equipment under the source base station covering to switch to said target BS, comprising:
The switching request acknowledgement message that send source base station receiving target base station; Said switching request acknowledgement message comprise said target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations;
Said source base station sends switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
A kind of subscriber equipment comprises:
Receiver module is used for the switching command that send the reception sources base station, and said switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of said composition carrier wave;
AM access module is used for inserting said target BS according at least one the composition carrier wave of said target BS and the subframe configuration information of said composition carrier wave.
A kind of base station comprises:
Receiver module is used for the switching request acknowledgement message that send the receiving target base station; Said switching request acknowledgement message comprises that said target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave;
Sending module; Be used for sending switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprises that target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave.
A kind of subscriber equipment comprises:
Receiver module; Be used to receive the switching command that said source base station sends, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
AM access module, the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed that is used for having according at least one of said target BS composition carrier wave, at least one on-fixed configuration of fixed configurations inserts said target BS.
Said switching command also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
Said switching command also is used to notify the said composition carrier wave with fixed configurations of the preferential use of said subscriber equipment to be linked into target BS.
A kind of base station comprises:
Receiver module is used to receive the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprise said target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Sending module; Be used for sending switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations.
Said switching request acknowledgement message also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
A kind of subscriber equipment,, comprising:
Receiver module is used to receive the switching command that said source base station sends, said switching command comprise said target BS at least one have the composition carrier wave of fixed configurations;
AM access module, the subframe configuration information that is used for having according at least one of said target BS the composition carrier wave of fixed configurations inserts said target BS;
Said receiver module also is used for accomplishing after the access of said target BS in said AM access module; Receive the reconfiguration message that said target BS sends, said reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that said on-fixed disposes.
Said switching command also comprises the subframe configuration information of the composition carrier wave with fixed configurations of said target BS.
A kind of base station comprises:
Receiver module is used for the switching request acknowledgement message that send the receiving target base station; Said switching request acknowledgement message comprise said target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations;
Sending module; Be used for sending switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
Carrier wave through notice UE target BS in handoff procedure is formed and sub-frame configuration; Make UE know the carrier wave ascending-descending subframes configuring condition of target BS; Thereby can be according to the correct access procedure of ascending-descending subframes configuration carrying out; Avoided having improved communication efficiency owing to the different situation such as communication disconnection that cause of the carrier wave of different base station.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 2 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 3 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 4 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 5 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 6 is the flow chart of an embodiment of cut-in method of the present invention;
Fig. 7 is the structural representation of a kind of subscriber equipment of providing of the embodiment of the invention;
Fig. 8 is the structural representation of a kind of base station of providing of the embodiment of the invention;
Fig. 9 is the structural representation of the another kind of subscriber equipment that provides of the embodiment of the invention;
Figure 10 is the structural representation of the another kind of base station that provides of the embodiment of the invention;
Figure 11 is the structural representation of the another kind of subscriber equipment that provides of the embodiment of the invention;
Figure 12 is the structural representation of the another kind of base station that provides of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Fig. 1 is the flow chart of an embodiment of cut-in method of the present invention; In the present embodiment, the executive agent of this cut-in method is a subscriber equipment, and this subscriber equipment can be portable terminal; Mobile phone etc. for example; Target BS allows this subscriber equipment under the source base station covering to switch to this target BS, and referring to Fig. 1, this cut-in method specifically comprises:
101, the switching command of subscriber equipment reception sources base station transmission, this switching command comprise at least one the composition carrier wave of target BS and the subframe configuration information of this composition carrier wave;
102, this subscriber equipment is according at least one this target BS of subframe configuration information access of forming carrier wave and should forming carrier wave of this target BS.
Composition carrier wave and sub-frame configuration through notice UE target BS in handoff procedure; Make UE know the carrier wave ascending-descending subframes configuring condition of target BS; Thereby can be according to the correct access procedure of ascending-descending subframes configuration carrying out; Avoided the different situation such as communication disconnection that cause of carrier wave ascending-descending subframes configuration, improved communication efficiency owing to different base station.
Fig. 2 is the flow chart of an embodiment of cut-in method of the present invention; In the present embodiment, the executive agent of this cut-in method is UE (User Equipment, a subscriber equipment); This embodiment switches between source base station (being source eNB) and target BS (being target eNB) with UE; And to insert target eNB be that example describes, and referring to Fig. 2, this cut-in method specifically comprises:
201, UE sends measurement report to source eNB;
The signal quality information that can comprise particularly, the composition carrier wave of the neighbours eNB that UE records in this measurement report.
202, source eNB makes the switching decision according to measurement report and other wireless resource information that UE sends;
The composition carrier wave that uses when alternatively, source eNB can be its access target eNB of UE decision according to the composition carrier wave that UE can support.In other words, source eNB is the composition carrier wave that UE selects it to use in target eNB.
Those skilled in the art can know, source eNB make switch decision in, the measurement report of each neighbours eNB that also sends according to UE and the target eNB of other wireless resource information decision UE.
203, source eNB sends handoff request message to target eNB;
Comprise source eNB in this handoff request message and be the composition carrier wave that uses when this UE that UE selects inserts target eNB, this handoff request message also is used to recommend the main carrier of this composition carrier wave as target eNB.Those skilled in the art can know that the composition carrier wave that comprises in this handoff request message is the composition carrier wave of target eNB, and this composition carrier wave can be notified to source eNB when the inter base station communication by target eNB.Need to prove, can comprise one or more composition carrier waves in this handoff request message.
Further, the information that also comprises the carrier wave that UE can support in this handoff request message.
204, target eNB receives this handoff request message, and the information of the composition carrier wave that can support according to received UE and/or the information that source eNB is the composition carrier wave of UE selection are that UE disposes new composition carrier wave;
Need to prove that target eNB receives handoff request message, according to the configuration or the choice criteria of this target eNB, be the new composition carrier wave of UE configuration, it is the main carrier that UE selects that target eNB can change source eNB.
205, target eNB is sent switching request acknowledgement message to source eNB; Should be included as the composition carrier wave that UE selects in this switching request acknowledgement message; And the subframe configuration information of each composition carrier wave, particularly, this subframe configuration information comprises the ascending-descending subframes configuration information.
Need to prove that it is the main carrier that UE selects that target eNB can change source eNB.In addition, can comprise one or more composition carrier waves in this switching request acknowledgement message and form the corresponding subframe configuration information of carrier wave with each.
206, source eNB sends switching command to UE;
Wherein, this switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of this composition carrier wave, and in the present embodiment, this switching command specifically is included as at least one composition carrier wave and the corresponding ascending-descending subframes configuration information thereof that UE selects.
207, UE receives switching command, and this switching command is included as the information of at least one composition carrier wave of UE selection;
208, after UE received this switching command, just execution was linked into Target cell with the synchronizing process of Target cell;
209, UE carries out random access procedure according to the ascending-descending subframes information of the composition carrier wave that is distributed in the switching command, makes this UE insert target eNB.
Particularly, UE monitors this and forms going up or descending sub frame of carrier wave, and on the sub-frame of uplink of this composition carrier wave, inserts preamble at random to the target BS transmission; After target eNB received the preamble of access at random of UE transmission, the descending sub frame of one of them carrier wave of target eNB in the composition carrier wave of selecting for UE sent accidental access response message to UE, made this UE insert target eNB.
Carrier wave through notice UE target BS in handoff procedure is formed and sub-frame configuration; Make UE know the carrier wave ascending-descending subframes configuring condition of target BS; Thereby can be according to the correct access procedure of ascending-descending subframes configuration carrying out; Avoided having improved communication efficiency owing to the different situation such as communication disconnection that cause of the carrier wave of different base station.
Fig. 3 is the flow chart of an embodiment of cut-in method of the present invention, and in the present embodiment, the executive agent of this cut-in method is a subscriber equipment; This subscriber equipment can be portable terminal, mobile phone etc. for example, and target BS allows source base station to cover this subscriber equipment down to this target BS switching; And; The one or more composition carrier waves of each self-sustaining of source base station and target BS with fixed configurations, referring to Fig. 3, this cut-in method specifically comprises:
301, subscriber equipment receives the switching command that this source base station sends, this switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
302, this subscriber equipment subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of having composition carrier wave, at least one on-fixed configuration of fixed configurations according at least one of this target BS inserts this target BS.
Need to prove that the composition carrier wave with fixed configurations comprises arbitrary in the following several kinds of situation:
(1) carrier wave of the same frequency that all has of source base station and target BS, and have identical ascending-descending subframes configuration, the ascending-descending subframes of this carrier wave of source base station and target BS disposes and remains unchanged always.This moment is because subscriber equipment is known the composition carrier wave of the fixed configurations of its source base station, and therefore the subscriber equipment in switching can not need the configuring condition of the composition carrier wave of the extra fixed configurations of obtaining target BS.
(2) carrier wave of the same frequency that all has of source base station and target BS; The configuration of the ascending-descending subframes of this carrier wave can change having between the adjacent base station of same carrier wave synchronously, and the ascending-descending subframes configuration of this frequency of latter two base station that promptly changes still keeps identical.This moment, subscriber equipment in switching can not need the configuring condition of the composition carrier wave of the extra fixed configurations of obtaining target BS.
(3) carrier wave of the same frequency that all has of source base station and target BS, and have different ascending-descending subframes configurations, the ascending-descending subframes of this carrier wave of source base station and target BS disposes and remains unchanged always.But this moment the subscriber equipment additional object base station in switching the configuring condition of the composition carrier wave that obtains fixed configurations, subscriber equipment can specifically obtain the subframe configuration information of the composition carrier wave of fixed configurations through switching command.
(4) carrier wave of source base station and target BS different frequency; Has the ascending-descending subframes configuration that remains unchanged respectively; The carrier wave that source base station keeps with can be carrier wave with carrier wave that target BS keeps with different frequency of identical ascending-descending subframes configuration, also can be carrier wave with different frequency that different ascending-descending subframes dispose.If the configuration of the ascending-descending subframes of the carrier wave of the fixed configurations of two base stations is different; Subscriber equipment in switching can extraly obtain the configuring condition of composition carrier wave of the fixed configurations of target BS, and subscriber equipment can specifically obtain the subframe configuration information of the composition carrier wave of fixed configurations through switching command; If the ascending-descending subframes of the carrier wave of the fixed configurations of two base stations configuration is identical, then subscriber equipment can need not the configuring condition of the composition carrier wave of the extra fixed configurations of obtaining target BS.
Need to prove, be no more than the carrier wave of 20MHz, can think the carrier wave of same frequency for two frequencies; For the carrier wave of two frequencies, can think the carrier wave of different frequency above 20MHz.
Has the fixedly composition carrier wave of sub-frame configuration through source base station and each self-sustaining of target BS; And the composition carrier wave of notice UE target BS in handoff procedure; Make UE can according to this form carrier wave with and ascending-descending subframes configuration carry out correct access procedure; Avoided the different situation such as communication disconnection that cause of carrier wave ascending-descending subframes configuration, improved communication efficiency owing to different base station.
Fig. 4 is the flow chart of an embodiment of cut-in method of the present invention; In the present embodiment; Source eNB and target eNB all keep at least one fixedly composition carrier wave of sub-frame configuration; The composition carrier wave that adjacent base station kept can be identical, also can be different, and the base station can be known the composition carrier wave of the fixedly sub-frame configuration of other base stations through X2 interface message.Referring to Fig. 6, this cut-in method specifically comprises:
401, UE sends measurement report to source eNB;
402, source eNB makes the switching decision according to measurement report and other wireless resource information that UE sends;
This step 401-402 is identical with step 201-202 principle, repeats no more at this.
403, source eNB sends handoff request message to target eNB;
The information that wherein, can comprise the composition carrier wave of the fixedly sub-frame configuration that target BS keeps in this handoff request message.Source base station can also notify in switching request acknowledgement message to source base station by target BS in handoff procedure shown in step 405 through knowing the composition carrier wave of the fixedly sub-frame configuration of target BS in mutual in the base station before switching.
404, target eNB receives this handoff request message;
405, target eNB is sent switching request acknowledgement message to source eNB, and at least one that should comprise target BS in this switching request acknowledgement message has the composition carrier wave of the composition carrier wave of fixed configurations, at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that this on-fixed disposes;
Concrete, fixedly the ascending-descending subframes configuration information of the composition carrier wave of sub-frame configuration can be consistent with source eNB for this, also can be different.If the composition carrier wave of the fixed configurations of target eNB is consistent with source eNB, then can not need pass through switching request acknowledgement message notification source eNB; If the composition carrier wave of the fixed configurations of target eNB and source eNB are inconsistent; Comprise that the configuration of the composition carrier frequency inconsistent, that have fixed configurations of the composition carrier wave number with fixed configurations is inconsistent, have fixed configurations TDD ascending-descending subframes is inconsistent, or to have a TDD ascending-descending subframes configuration of each fixed configurations carrier wave of same number and same frequency not quite identical etc.; Can also can in switching request acknowledgement message, comprise carrier wave and corresponding ascending-descending subframes configuration information thereof through its ascending-descending subframes configuration of X2 interface message informing source eNB and corresponding ascending-descending subframes configuration with fixed configurations.
Situation for the composition carrier wave of one or more on-fixed sub-frame configuration that can comprise simultaneously in this switching request acknowledgement message; Source base station can be selected main carrier according to preset priority; For example, the preferential carrier wave of selecting fixing sub-frame configuration of source base station is as main carrier.
406, source eNB sends switching command to UE;
407, UE receives switching command, this switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Need to prove that the carrier wave of the fixedly sub-frame configuration that this target BS keeps can be for one or more, this switching command also is used to notify this subscriber equipment preferentially to use this composition carrier wave with fixed configurations to be linked into target BS.
Concrete; For this fixing composition carrier wave of sub-frame configuration; Judge whether UE has known the ascending-descending subframes configuration information of this composition carrier wave, if then switching command does not comprise that at least one has the subframe configuration information of the composition carrier wave of fixed configurations; I.e. expression will not formed the ascending-descending subframes configuration information of carrier wave and notify to UE; If not, then switching command comprises that also at least one has the subframe configuration information of the composition carrier wave of fixed configurations, i.e. expression will be formed the ascending-descending subframes configuration information of carrier wave and notify to UE;
408, after UE received this switching command, just execution was linked into Target cell with the synchronizing process of Target cell;
409, UE carries out random access procedure according to the ascending-descending subframes information of the composition carrier wave that is distributed in the switching command, makes this UE insert target eNB.
410, after the random access procedure success, target BS will dispose to carrier wave beyond the carrier wave of UE and sub-frame configuration and give this subscriber equipment.
In the present embodiment; Target BS will dispose to carrier wave beyond the carrier wave of UE and sub-frame configuration through the transmission reconfiguration message and give this subscriber equipment, and this reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that this on-fixed disposes.
When UE is linked into target eNB, in follow-up communication process, target BS can be notified other carrier wave to UE, has simplified source base station and the target BS carrier wave when switching and has consulted.
Present embodiment when being the UE allocation carriers, disposes the composition carrier wave of the fixedly sub-frame configuration of target BS and the composition carrier wave of on-fixed subframe to UE on basis embodiment illustrated in fig. 3, and uses and should configuration carry out random access procedure.
Has the fixedly composition carrier wave of sub-frame configuration through source base station and each self-sustaining of target BS; And the composition carrier wave of notice UE target BS and the carrier wave of on-fixed sub-frame configuration in handoff procedure; Make UE can according to the carrier wave that is assigned with and ascending-descending subframes configuration carry out correct access procedure; Avoided the different situation such as communication disconnection that cause of carrier wave ascending-descending subframes configuration, improved communication efficiency owing to different base station.
Fig. 5 is the flow chart of an embodiment of cut-in method of the present invention, and in the present embodiment, source eNB and target eNB all keep the composition carrier wave of at least one fixed configurations.Referring to Fig. 5, this cut-in method specifically comprises:
501, the switching command that sends of subscriber equipment reception sources base station, this switching command comprise target BS at least one have the composition carrier wave of fixed configurations;
502, this subscriber equipment configuration information of having the composition carrier wave of fixed configurations according at least one of this target BS inserts this target BS;
503, this subscriber equipment is accomplished after the switching of this target BS, and the reconfiguration message that send the receiving target base station, this reconfiguration message comprise the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave of this on-fixed configuration.The definition of the composition carrier wave of fixed configurations can be referring to the description of last embodiment in the present embodiment.
Fig. 6 is the flow chart of an embodiment of cut-in method of the present invention, and in the present embodiment, source eNB and target eNB all keep the composition carrier wave of at least one fixed configurations.Referring to Fig. 6, this cut-in method specifically comprises:
601, UE sends measurement report to source eNB;
602, source eNB makes the switching decision according to measurement report and other wireless resource information that UE sends;
This step 601-602 is identical with step 201-202 principle, repeats no more at this.
603, source eNB sends handoff request message to target eNB;
The information that wherein, can comprise the composition carrier wave of the fixedly sub-frame configuration that target BS keeps in this handoff request message.Source base station can also notify in switching request acknowledgement message to source base station by target BS in handoff procedure shown in step 605 through knowing the composition carrier wave of the fixedly sub-frame configuration of target BS in mutual in the base station before switching.
604, target eNB receives this handoff request message;
605, target eNB is sent switching request acknowledgement message to source eNB, should comprise the composition carrier wave of the fixedly sub-frame configuration of target BS maintenance in this switching request acknowledgement message.
Concrete, this fixedly the ascending-descending subframes configuration information of the composition carrier wave of sub-frame configuration can be consistent with the composition carrier wave of source eNB, also can be different.If eNB is consistent with the source, then can not need pass through switching request acknowledgement message notification source eNB; If inconsistent, can certainly in switching request acknowledgement message, comprise its ascending-descending subframes configuration information through its ascending-descending subframes configuration of X2 interface message informing source eNB with source eNB.
The principle of this step and step 405 is similar, repeats no more at this.
606, source eNB sends switching command to UE;
607, UE receives switching command, this switching command comprise that target BS keeps at least one have the fixedly composition carrier wave of sub-frame configuration.
Concrete; For this fixing composition carrier wave of sub-frame configuration; Judge whether UE has known the ascending-descending subframes configuration information of this composition carrier wave, if then switching command does not comprise that at least one has the subframe configuration information of the composition carrier wave of fixed configurations; I.e. expression will not formed the ascending-descending subframes configuration information of carrier wave and notify to UE; If not, then switching command comprises that also at least one has the subframe configuration information of the composition carrier wave of fixed configurations, i.e. expression will be formed the ascending-descending subframes configuration information of carrier wave and notify to UE;
Need to prove that the composition carrier wave of the fixedly sub-frame configuration that this target BS keeps can be for one or more, the embodiment of the invention is not done concrete qualification.
608, after UE received this switching command, just execution was linked into Target cell with the synchronizing process of Target cell;
609, UE carries out random access procedure according to the ascending-descending subframes information of the composition carrier wave that is distributed in the switching command, makes this UE insert target eNB;
610, target BS fixedly reshuffle to this subscriber equipment by the carrier wave and the corresponding subframe configuration information of the composition carrier wave on-fixed sub-frame configuration in addition of sub-frame configuration.
When UE is linked into target eNB, in follow-up communication process, target BS can dispose other carrier wave to UE, has simplified source base station and the target BS carrier wave when switching and has consulted.
Present embodiment is on the basis of the corresponding embodiment of Fig. 1; Each base station guarantee one or more basic carrier waves with and ascending-descending subframes configuration constant; The configuration of the ascending-descending subframes of other carrier waves can dynamic change, and UE carries out the RACH process forming on the carrier wave, and the base station reinforms the ascending-descending subframes configuring condition of other carrier waves of UE after the success; So both can accomplish backward compatibility, and can when switching, keep this again and form carrier wave.
Has the fixedly composition carrier wave of sub-frame configuration through source base station and each self-sustaining of target BS; And the composition carrier wave of notice UE target BS in handoff procedure; Make UE can according to this form carrier wave with and ascending-descending subframes configuration carry out correct access procedure; Avoided the different situation such as communication disconnection that cause of carrier wave ascending-descending subframes configuration, improved communication efficiency owing to different base station.Further, in follow-up communication process, the carrier wave of forming that will form the on-fixed sub-frame configuration beyond the carrier wave by target BS again disposes to UE, and on the correct basis of inserting, the negotiations process of having practiced thrift carrier wave has improved communication efficiency further.
Describe in the face of the entity device of carrying out aforementioned approaches method embodiment down, the concrete function of each equipment can be referring to method embodiment with the description part term that said function adopted.
Fig. 7 is the structural representation of a kind of subscriber equipment of providing of the embodiment of the invention, comprising:
Receiver module 701 is used for the switching command that send the reception sources base station, and this switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of this composition carrier wave;
AM access module 702, at least one that is used for according to this target BS formed this target BS of subframe configuration information access of carrier wave and this composition carrier wave.
Fig. 8 is the structural representation of a kind of base station of providing of the embodiment of the invention, comprising:
Receiver module 801 is used for the switching request acknowledgement message that send the receiving target base station; This switching request acknowledgement message comprises that this target BS is the composition carrier wave of this subscriber equipment selection and the subframe configuration information of this composition carrier wave;
Sending module 802; Be used for sending switching command to this subscriber equipment; Make this subscriber equipment insert this target BS according to this switching command, this switching command comprises that target BS is the composition carrier wave of this subscriber equipment selection and the subframe configuration information of this composition carrier wave.
Fig. 9 is the structural representation of a kind of subscriber equipment of providing of the embodiment of the invention, comprising:
Receiver module 901; Be used to receive the switching command that this source base station sends, this switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
AM access module 902, at least one that is used for according to this target BS has the composition carrier wave of fixed configurations, the composition carrier wave of at least one on-fixed configuration and this target BS of subframe configuration information access of the composition carrier wave that this on-fixed disposes.
Wherein, this switching command also comprises this at least one has the subframe configuration information of the composition carrier wave of fixed configurations.
Further, this switching command also is used to notify this at least one subscriber equipment preferentially to use this composition carrier wave with fixed configurations to be linked into target BS.
Figure 10 is the structural representation of a kind of base station of providing of the embodiment of the invention, comprising:
Receiver module 1001 is used to receive the switching request acknowledgement message that this target BS sends; This switching request acknowledgement message comprise this target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Sending module 1002; Be used for sending switching command to this subscriber equipment; Make this subscriber equipment insert this target BS according to this switching command, this switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of this on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations.
Wherein, this switching request acknowledgement message also comprises this at least one has the subframe configuration information of the composition carrier wave of fixed configurations.
Figure 11 is the structural representation of a kind of subscriber equipment of providing of the embodiment of the invention, comprising:
Receiver module 1101 is used to receive the switching command that this source base station sends, this switching command comprise this target BS at least one have the composition carrier wave of fixed configurations;
AM access module 1102, at least one that is used for according to this target BS has this target BS of subframe configuration information access of the composition carrier wave of fixed configurations;
This receiver module 1101 also is used for accomplishing after the access of this target BS in this AM access module 1102; Receive the reconfiguration message that this target BS sends, this reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave of this on-fixed configuration.
Wherein, this switching command also comprises the subframe configuration information of the composition carrier wave with fixed configurations of this target BS.
Figure 12 is the structural representation of a kind of base station of providing of the embodiment of the invention, comprising:
Receiver module 1201 is used for the switching request acknowledgement message that send the receiving target base station; This switching request acknowledgement message comprise this target BS at least one have fixed configurations composition carrier wave and this at least one have the subframe configuration information of the composition carrier wave of fixed configurations;
Sending module 1202; Be used for sending switching command to subscriber equipment; Make this subscriber equipment insert this target BS according to this switching command, this switching command comprise target BS at least one have fixed configurations composition carrier wave and this at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
The subscriber equipment that present embodiment provides specifically can portable terminal, belongs to same design with method embodiment, and its concrete implementation procedure sees method embodiment for details, repeats no more here.
The all or part of of the technique scheme that the embodiment of the invention provides can be accomplished through the relevant hardware of program command; Said program can be stored in the storage medium that can read, and this storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. cut-in method, wherein, target BS allows the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
Said subscriber equipment receives the switching command that said source base station sends, and said switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of said composition carrier wave;
Said subscriber equipment inserts said target BS according at least one the composition carrier wave of said target BS and the subframe configuration information of said composition carrier wave.
2. cut-in method, target BS allow the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
Said source base station receives the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprises that said target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave;
Said source base station sends switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprises that target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave.
3. cut-in method, wherein, target BS allows the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
Said subscriber equipment receives the switching command that said source base station sends, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Said subscriber equipment has composition carrier wave, at least one on-fixed configuration of fixed configurations according at least one of said target BS the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed inserts said target BS.
4. method according to claim 3 is characterized in that, said switching command also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
5. according to claim 3 or 4 described methods, it is characterized in that said switching command is used to also to notify that said subscriber equipment is preferential uses said at least one composition carrier wave with fixed configurations to be linked into target BS.
6. cut-in method, wherein, target BS allows the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
Said source base station receives the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprise said target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Said source base station sends switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations.
7. method according to claim 6 is characterized in that, said switching request acknowledgement message also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
8. cut-in method, wherein target BS allows the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
Said subscriber equipment receives the switching command that said source base station sends, said switching command comprise said target BS at least one have the composition carrier wave of fixed configurations;
Said subscriber equipment inserts said target BS according to the subframe configuration information that at least one of said target BS has the composition carrier wave of fixed configurations;
Said subscriber equipment is accomplished after the access of said target BS; Receive the reconfiguration message that said target BS sends, said reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that said on-fixed disposes.
9. method according to claim 8 is characterized in that, said switching command also comprise said target BS at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
10. cut-in method, wherein, target BS allows the subscriber equipment of source base station under covering to switch to said target BS, it is characterized in that, comprising:
The switching request acknowledgement message that send source base station receiving target base station; Said switching request acknowledgement message comprise said target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations;
Said source base station sends switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
11. a subscriber equipment is characterized in that, comprising:
Receiver module is used for the switching command that send the reception sources base station, and said switching command comprises at least one the composition carrier wave of target BS and the subframe configuration information of said composition carrier wave;
AM access module is used for inserting said target BS according at least one the composition carrier wave of said target BS and the subframe configuration information of said composition carrier wave.
12. a base station is characterized in that, comprising:
Receiver module is used for the switching request acknowledgement message that send the receiving target base station; Said switching request acknowledgement message comprises that said target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave;
Sending module; Be used for sending switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprises that target BS is the composition carrier wave of said subscriber equipment selection and the subframe configuration information of said composition carrier wave.
13. a subscriber equipment is characterized in that, comprising:
Receiver module; Be used to receive the switching command that said source base station sends, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
AM access module, the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed that is used for having according at least one of said target BS composition carrier wave, at least one on-fixed configuration of fixed configurations inserts said target BS.
14. subscriber equipment according to claim 13 is characterized in that, said switching command also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
15., it is characterized in that said switching command also is used to notify the said composition carrier wave with fixed configurations of the preferential use of said at least one subscriber equipment to be linked into target BS according to claim 13 or 14 described subscriber equipmenies.
16. a base station is characterized in that, comprising:
Receiver module is used to receive the switching request acknowledgement message that said target BS sends; Said switching request acknowledgement message comprise said target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations;
Sending module; Be used for sending switching command to said subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have the subframe configuration information of composition carrier wave of composition carrier wave and the configuration of said on-fixed of composition carrier wave, at least one on-fixed configuration of fixed configurations.
17. base station according to claim 16 is characterized in that, said switching request acknowledgement message also comprise said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
18. a subscriber equipment is characterized in that, comprising:
Receiver module is used to receive the switching command that said source base station sends, said switching command comprise said target BS at least one have the composition carrier wave of fixed configurations;
AM access module, the subframe configuration information that is used for having according at least one of said target BS the composition carrier wave of fixed configurations inserts said target BS;
Said receiver module also is used for accomplishing after the access of said target BS in said AM access module; Receive the reconfiguration message that said target BS sends, said reconfiguration message comprises the composition carrier wave of at least one on-fixed configuration and the subframe configuration information of the composition carrier wave that said on-fixed disposes.
19. subscriber equipment according to claim 18 is characterized in that, said switching command also comprises the subframe configuration information of the composition carrier wave with fixed configurations of said target BS.
20. a base station is characterized in that, comprising:
Receiver module is used for the switching request acknowledgement message that send the receiving target base station; Said switching request acknowledgement message comprise said target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations;
Sending module; Be used for sending switching command to subscriber equipment; Make said subscriber equipment insert said target BS according to said switching command, said switching command comprise target BS at least one have fixed configurations the composition carrier wave and said at least one have the subframe configuration information of the composition carrier wave of fixed configurations.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060569.3A CN102685827B (en) | 2011-03-14 | 2011-03-14 | Cut-in method, subscriber equipment and base station |
| PCT/CN2012/071689 WO2012122889A1 (en) | 2011-03-14 | 2012-02-28 | Access method, user equipment and enb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060569.3A CN102685827B (en) | 2011-03-14 | 2011-03-14 | Cut-in method, subscriber equipment and base station |
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| Publication Number | Publication Date |
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| CN102685827A true CN102685827A (en) | 2012-09-19 |
| CN102685827B CN102685827B (en) | 2016-08-10 |
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| CN201110060569.3A Active CN102685827B (en) | 2011-03-14 | 2011-03-14 | Cut-in method, subscriber equipment and base station |
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| WO (1) | WO2012122889A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014101836A1 (en) * | 2012-12-27 | 2014-07-03 | 华为技术有限公司 | Method, device and system for accessing station |
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| CN101222751A (en) * | 2007-01-12 | 2008-07-16 | 华为技术有限公司 | Subscriber terminal, base station and independent descending carrier configuration information transmission method and system |
| KR20100032815A (en) * | 2008-09-18 | 2010-03-26 | 후지쯔 가부시끼가이샤 | Base station apparatus, communication control system, communication control method, inter-station control method and recording medium |
| CN101743770A (en) * | 2007-06-19 | 2010-06-16 | 艾利森电话股份有限公司 | Improved resource reservation during handover in a wireless communication system |
| CN101883406A (en) * | 2009-05-07 | 2010-11-10 | 株式会社Ntt都科摩 | Switching method, mobile terminal and base station |
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| GB2454650A (en) * | 2007-10-29 | 2009-05-20 | Nec Corp | Resource Allocation for persistently allocated resources |
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| CN101222751A (en) * | 2007-01-12 | 2008-07-16 | 华为技术有限公司 | Subscriber terminal, base station and independent descending carrier configuration information transmission method and system |
| CN101743770A (en) * | 2007-06-19 | 2010-06-16 | 艾利森电话股份有限公司 | Improved resource reservation during handover in a wireless communication system |
| KR20100032815A (en) * | 2008-09-18 | 2010-03-26 | 후지쯔 가부시끼가이샤 | Base station apparatus, communication control system, communication control method, inter-station control method and recording medium |
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| WO2012122889A1 (en) | 2012-09-20 |
| CN102685827B (en) | 2016-08-10 |
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