CN102264111A - Inter-cell switching method under carrier aggregation and base station - Google Patents

Abstract

The invention relates to an inter-cell switching method under carrier aggregation and a base station. The method comprises the following steps of: sending a switching request message to a target base station, wherein the switching request message carries the data packet cache status information or Internet protocol (IP) throughput information of user equipment so that the target base station determines one or more component carriers; receiving the information of one or more component carriers sent by the target base station; sending a switching command message to the user equipment to inform the user equipment to switch to the target base station, wherein the switching command message carries the information of one or more component carriers sent by the target base station. The embodiment of the invention can overcome the influence to service quality caused by too small component carrier quantity after the user equipment is switched to the target base station, and can also reduce the waste of system wireless resources caused by too large component carrier quantity.

Description

Inter-cell switch method under a kind of carrier wave converges and base station

Technical field

The present invention relates to communication technical field, be specifically related to inter-cell switch method and the base station of a kind of carrier wave under converging.

Background technology

At long evolving system (Long Term Evolution, LTE) in, carrier wave converges (CarrierAggregation, CA) technology is as a kind of method of expanding system bandwidth, its main thought is: with a plurality of composition carrier wave (Component Carrier, CC) pool a carrier wave that is higher than 20M, to support the defeated rate of high-speed data.Be illustrated in fig. 1 shown below, downlink bandwidth is converged and is formed by the carrier wave 1～5 of forming of 5 20M.

After the carrier wave technology that converges is introduced, switching at the minizone, the following problem that need further consider: promptly as subscriber equipment (User Equipment, UE) from source base station (eNB) when switching to target eNB, if UE had used a plurality of CC before switching, so when UE switches to target eNB, how target eNB determines the CC of suitable number for UE, to guarantee the impregnable while of quality of service of UE, can save the Radio Resource of system again.In addition, according to present LTE agreement, when UE carry out to switch, source eNB can to target eNB send a handoff request message (HANDOVER REQUEST) with carry some information to target eNB to switch preparation.Wherein this information has: the context reference information of the X2 signaling of UE, the S1 evolved packet system of UE (Evolved Packet System, EPC) the context reference information of signaling, the identifier of Target cell (target cell ID), UE is at Radio Resource control (the Radio Resource Control of source eNB side, RRC) contextual information, access layer configuration (AS-configuration), the wireless network carrying that evolved global terrestrial radio inserts (E-UTRANRadio Access Bearer, E-RAB) contextual information etc.The context reference information of the X2 of UE and S1EPC signaling makes target eNB to carry out correct addressing to source eNB and EPC.The E-RAB contextual information comprises necessary wireless network layer (Radio Network Layer, RNL) and transport network layer (TransportNetwork Layer, TNL) addressing information and the service quality of E-RAB (Quality of Service, QoS) parameter.

The inventor finds in practice, under the situation that carrier wave converges, target eNB can not be distributed the CC of suitable number for UE based on above-mentioned information, because the number of the CC that UE need use is not only relevant with qos parameter, the more important thing is relevant with the practical business state of current UE.If target eNB is the CC of a general number of UE configuration based on qos parameter only, then when the CC number is too much, can waste the system wireless resource; And work as the quality of service that the CC number can have influence on UE more after a little while, may cause the discontinuous of business.

Summary of the invention

The embodiment of the invention provides inter-cell switch method and the system, base station of a kind of carrier wave under converging, and is used under the scene of CA, and when UE carries out the minizone when switching, target eNB can be distributed the CC of suitable number for UE.

Inter-cell switch method under a kind of carrier wave converges comprises:

Send handoff request message to target BS, described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment, so that described target BS is determined one or more composition carrier waves;

Receive the information of described one or more composition carrier waves of described target BS transmission;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; Described switching command message is carried the information of described one or more composition carrier waves.

Inter-cell switch method under a kind of carrier wave converges comprises:

Send handoff request message to target BS, described handoff request message is carried subscriber equipment that source base station recommends needs the described composition carrier wave that the information of one or more composition carrier waves of using and source base station determine as subscriber equipment after switching to described target BS state;

Receiving described target BS is the information and the state of the definite described one or more composition carrier waves of described subscriber equipment;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; Described switching command message is carried information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Wherein, but the state of described composition carrier wave is used to indicate described composition carrier wave to be in state of activation or is in configuration deactivation status.

Inter-cell switch method under a kind of carrier wave converges comprises:

Send handoff request message to target BS, but described handoff request message is carried subscriber equipment that source base station recommends needs to use be in state of activation and/or be in configuration the number of the composition carrier wave of deactivation status after switching to described target BS;

Receive described subscriber equipment that described target BS determines needs to use be in state of activation and/or be in configuration but the information of the composition carrier wave of deactivation status after switching to described target BS;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; But described switching command message is carried described subscriber equipment needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS.

Inter-cell switch method under a kind of carrier wave converges comprises:

The handoff request message that the reception sources base station sends, described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment;

QoS parameter in conjunction with described subscriber equipment, and one or more targets that described source base station is recommended form the tabulation of carrier waves or the measurement result that target is formed carrier wave, and the data pack buffer state information of described subscriber equipment or IP throughput information are determined one or more composition carrier waves;

The information of described one or more composition carrier waves of determining is sent to described source base station, so that described source base station notifies described subscriber equipment to switch to target BS by switching command message; Described switching command message is carried the information of described one or more composition carrier waves;

Described one or more composition carrier wave comprises that but described subscriber equipment needs the composition carrier wave that is in state of activation that uses and/or is in configuration the composition carrier wave of deactivation status after switching to described target BS.

A kind of base station comprises:

First sending module is used to send handoff request message to target BS, and described handoff request message is carried the buffer status information or the Internet protocol IP throughput information of subscriber equipment, so that described target BS is determined one or more composition carrier waves;

First receiver module is used to receive the information of described one or more composition carrier waves that described target BS sends;

Described first sending module also is used to send switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; Described switching command message is carried the information of described one or more composition carrier waves.

A kind of base station comprises:

Second sending module, be used to send handoff request message to target BS, described handoff request message is carried subscriber equipment that source base station recommends needs the described composition carrier wave that the information of one or more composition carrier waves of using and source base station determine as subscriber equipment after switching to described target BS state;

Second receiver module is used to receive information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Described second sending module also is used to send switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; Described switching command message is carried information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Wherein, but the state of described composition carrier wave is used to indicate described composition carrier wave to be in state of activation or is in configuration deactivation status.

A kind of base station comprises:

The 3rd sending module, be used to send handoff request message to target BS, but described handoff request message is carried subscriber equipment that source base station recommends needs to use be in state of activation and/or be in configuration the number of the composition carrier wave of deactivation status after switching to described target BS;

But the 3rd receiver module is used to receive described subscriber equipment that described target BS determines needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS;

Described the 3rd sending module also is used for sending switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; But described switching command message is carried described subscriber equipment needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS.

A kind of base station comprises:

Receiver module is used for the handoff request message that the reception sources base station sends, and described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment;

Determination module, be used for QoS parameter in conjunction with described subscriber equipment, and one or more targets that described source base station is recommended form the tabulation of carrier waves or the measurement result that target is formed carrier wave, and the data pack buffer state information of described subscriber equipment or IP throughput information are determined one or more composition carrier waves;

Sending module, the information that is used for the described one or more composition carrier waves that will determine is sent to described source base station, so that described source base station notifies described subscriber equipment to switch to this base station by switching command message; Described switching command message is carried the information of described one or more composition carrier waves;

Described one or more composition carrier wave comprises that but described subscriber equipment needs the composition carrier wave that is in state of activation that uses and/or is in configuration the composition carrier wave of deactivation status after switching to this base station.

Compared with prior art, the embodiment of the invention possesses following beneficial effect:

In the embodiment of the invention, before switching, UE provides buffer status information or the IP throughput information that comprises UE, so that target BS is the CC that UE determines suitable number to target BS.Like this, after UE switches to target BS, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

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 among the embodiment below, apparently, 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, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 converges schematic diagram for existing a kind of carrier wave;

The flow chart of the inter-cell switch method under several carrier waves that Fig. 2～11 provide for the embodiment of the invention converge;

The structure chart of several base stations that Figure 12～16 provide for the embodiment of the invention;

The structure chart of the minizone switched system under the carrier wave that Figure 17 provides for the embodiment of the invention converges.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.

Embodiment one:

See also Fig. 2, Fig. 2 is the flow chart of the inter-cell switch method under a kind of carrier wave provided by the invention converges.As shown in Figure 2, this method can comprise:

201, source eNB sends handoff request message to target eNB, and this handoff request message is carried data pack buffer state information or Internet protocol (IP) throughput information of UE, so that target eNB is determined one or more CC;

Wherein, above-mentioned source eNB specifically can send handoff request message to target eNB by X2 interface or by the S1 interface.

202, the information of one or more CC of source eNB receiving target eNB transmission.

Wherein, the information of above-mentioned CC can be frequency information or the identifier of CC.

In the present embodiment, target eNB specifically can be carried at the information of one or more CC of determining in the switching request acknowledgement message, and is sent to source eNB.

203, source eNB sends switching command message to above-mentioned UE, so that above-mentioned UE switches to target eNB; Wherein, this switching command message is carried the information of one or more CC of target eNB transmission.

In the present embodiment, the data pack buffer state information of UE specifically can be that (then this moment, the CC that determines of target eNB was specially up CC to current up of UE for UpLink, UL) buffer status information; Further, but the up CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Perhaps, the data pack buffer state information of UE specifically can be that (then this moment, the CC that determines of target eNB was specially descending CC to current descending of UE for Down Link, DL) buffer status information; Equally, but the descending CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Or the data pack buffer state information of UE specifically can be current down buffer storage state information of UE and up buffer status information, and then this moment, target eNB can be determined descending CC and up CC simultaneously; Equally, but the descending CC that determines of target eNB and up CC can be in state of activation and/or be in configuration deactivation status.

In the present embodiment, the up buffer status information of UE is meant the numbers of states of the upstream data bag that is sent to network side that is buffered in the UE side; The down buffer storage state information of UE is meant and is buffered in the numbers of states that base station side is sent to the downlink data packet of UE side.

In the present embodiment, the IP throughput information of UE specifically can be the current up IP throughput information of UE, and then the CC that this moment, target eNB was determined is specially up CC; Further, but the up CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Perhaps, the IP throughput information of UE specifically can be the current downstream IP throughput information of UE, and then the CC that this moment, target eNB was determined is specially descending CC; Equally, but the descending CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Or the IP throughput information of UE specifically can be current downstream IP throughput information of UE and up IP throughput information, and then this moment, target eNB can be determined descending CC and up CC simultaneously; Equally, but the descending CC that determines of target eNB and up CC can be in state of activation and/or be in configuration deactivation status.

In the present embodiment, before UE switches, provide buffer status information or the IP throughput information that comprises UE by the source eNB at UE place to target eNB, so that target eNB is the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment two:

See also Fig. 3, Fig. 3 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 3, this method can comprise:

301, UE sends measurement report to source eNB, and this measurement report comprises the measurement result of one or more CC;

302, source eNB based on above-mentioned measurement report and some other RRM (RadioResource Management, RRM) information is made switch decision, determines suitable target eNB;

Particularly, one or more CC measurement reports that source eNB need report according to UE, and the interference of minizone, base station load information, insert information such as restriction and determine a suitable target eNB.

303, source eNB sends handoff request message to target eNB, carries current down buffer storage state information of UE and/or up buffer status information in this handoff request message;

Simultaneously, the measurement result of each CC that source eNB also can report according to UE, recommend one or more target CC to target eNB, source eNB can with the target CC that recommends be placed on notification target eNB in this handoff request message according to the measurement result back of sorting with the form of tabulation, perhaps also can be directly the measurement result of a plurality of target CC of recommending be placed on notification target eNB in the handoff request message.

Further, this up buffer status information/down buffer storage state information can be respectively at the quantity of data packets state information of part or all of logic channel (Logical Channel) corresponding cache of UE, also can be respectively at the quantity of data packets state information of part or all of logic channel group (the Logical Channel Group) corresponding cache of UE.In addition, above-mentioned buffer status information can be an independently buffer status information of logic channel or logic channel group, also can be the buffer status information that logic channel or logic channel group add up.So-called logic channel or logic channel group independently buffer status information are meant at each the independent respectively buffer status information calculated in a plurality of logic channels or the logic channel group.And the buffer status information that so-called logic channel or logic channel group add up is meant the total data pack buffer state information that obtains after data in buffer amount with a plurality of logic channels or logic channel group adds up.

Wherein, the above-mentioned handoff request message of carrying current down buffer storage state information of UE and/or up buffer status information is specifically as follows HANDOVER REQUEST message, and this message is transferred to target eNB by X2 interface, thereby can realize that X2 switches.The benefit that X2 switches is that handover delay is lower, and can guarantee the data lossless in the handoff procedure.

Wherein, the above-mentioned handoff request message of carrying the current descending and/or up buffer status information of UE specifically can also be HANDOVER REQUIRED message, this message is transferred to mobile management entity (Mobility Management Entity by the S1 interface, MME), and then be transmitted to target eNB, thereby can realize that S1 switches by MME.

304, current down buffer storage state information and/or the up buffer status information of UE that provide according to source eNB of target eNB, qos parameter, source eNB are that the tabulation of one or more CC of recommending of target eNB or the information such as measurement result of target CC are that UE distributes one or more target DL CC and/or target UL CC.

In the present embodiment, but the state of target DLCC and/or UL CC can or dispose deactivation status for state of activation.Wherein, the CC of state of activation, be meant UE need monitor and decode Physical Downlink Control Channel (the Physical Downlink Control Channel of this CC, PDCCH) and/or Physical Downlink Shared Channel (Physical Downlink Share Channel, PDSCH), Physical Uplink Shared Channel (Physical Uplink Share Channel, PUSCH) channel.Whether especially, for the situation of striding carrier dispatching, the CC of an activation is need the decode CC of its Physical Downlink Shared Channel or Physical Uplink Shared Channel of UE at least, be the eNB configuration but need UE to monitor for the PDCCH channel of the CC of this activation.And but the configuration CC of deactivation status are meant that UE does not need to monitor and PDCCH channel and/or the PDSCH of this CC that decodes, the PUSCH channel, but the informational needs of the configuration parameter of this CC sends to UE.Especially, for the situation of striding carrier dispatching, that but configuration CC of deactivation status are meant that UE do not monitor that this PDCCH channel do not decode this CC yet is PDSCH, the PUSCH channel.

Further, but target eNB can determine the number of the target DL CC/UL CC of state of activation to dispose the number of the target DL CC/UL CC of deactivation status with being in respectively.

305, target eNB sends switching request acknowledgement message to source eNB, but this switching request acknowledgement message is carried the information that target eNB is the target DL CC/UL CC that is in state of activation that uses UE needing of distributing after switching to target BS, and/or is in configuration the information of the target DL CC/ULCC of deactivation status;

Wherein, the information of so-called target DL CC/UL CC can be the frequency information of target DL CC/UL CC, identifier or sign target DLCC and the right cell identifier information of UL CC.

306, source eNB sends switching command message to UE, carry target eNB in this switching command message and be UE distributes after switching to target BS, need to use be in state of activation and/or be in configuration but the information of the target DL/UL CC of deactivation status so that UE switches to target eNB.

Of particular note, the buffer status information of the current DL/UL of UE also can replace with mid-term or long-term average buffer status information in the embodiment of the invention.Wherein, the average cache state information in so-called mid-term can be tens, the average buffer status of hundreds of millisecond or the UE in several seconds; So-called long-term average cache state information can be several seconds average buffer status to the UE of hundreds of in second.

In addition, for source eNB when switching can provide comparatively accurate UL buffer status information to target eNB, then UE can trigger and send its UL buffer status report to source eNB when its signal quality be lower than a default threshold value.

In the embodiment of the invention two, the source eNB by the UE place before UE switches provides the buffer status information that comprises that UE is current to target eNB, so that target eNB is the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment three:

See also Fig. 4, Fig. 4 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 4, this method can comprise:

401, UE sends measurement report to source eNB, and this measurement report comprises the measurement result of one or more CC.

402, source eNB makes switch decision based on above-mentioned measurement report and some other RRM information, determines suitable target eNB.

403, source eNB sends handoff request message to target eNB, carries current downstream IP throughput information of UE and/or up IP throughput information in this handoff request message.

Simultaneously, the measurement result of each CC that source eNB also can report according to UE, recommend one or more target CC to target eNB, source eNB can with the target CC that recommends sort the back with form notification target eNB in this handoff request message of tabulation according to measurement result, perhaps also can be directly with measurement result notification target eNB in handoff request message of a plurality of target CC of recommending.

Wherein, the above-mentioned handoff request message of carrying current downstream IP throughput information of UE and/or up IP throughput information is specifically as follows HANDOVER REQUEST message, and this message is transferred to target eNB by X2 interface, thereby can realize that X2 switches.The benefit that X2 switches is that handover delay is lower, and can guarantee the data lossless in the handoff procedure.

Wherein, the above-mentioned handoff request message of carrying current downstream IP throughput information of UE and/or up IP throughput information specifically can also be HANDOVER REQUIRED message, this message is transferred to MME by the S1 interface, and then is transmitted to target eNB by MME, thereby can realize that S1 switches.

404, the current descending and/or up IP throughput information of UE that provides according to source eNB of target eNB, qos parameter, source eNB are that the tabulation of one or more CC of recommending of target eNB or the information such as measurement result of target CC are that UE distributes one or more target DL CC and/or target UL CC.

Wherein, but the state of target DL CC/UL CC can or dispose deactivation status for state of activation.Further, but target eNB can determine the number of the target DL CC/UL CC of state of activation to dispose the number of the target DL CC/UL CC of deactivation status with being in respectively.

405, target eNB sends switching request acknowledgement message to source eNB, and but it is being in state of activation and/or being in configuration the information of the target DL CC/UL CC of deactivation status of using UE needing after switching to target BS of distributing that this switching request acknowledgement message is carried target eNB.

406, source eNB sends switching command message to UE, carry target eNB in this switching command message and be UE distributes after switching to target BS, need to use be in state of activation and/or be in configuration but the information of the target DL CC/UL CC of deactivation status so that UE switches to target eNB.

Of particular note, the IP throughput information of the current DL/UL of UE also can replace with mid-term or long-term average IP throughput information in the embodiment of the invention.Wherein, the average IP throughput information in so-called mid-term can be tens, the average throughput of hundreds of millisecond or the UE in several seconds; So-called long-term IP throughput information can be several seconds average throughputs to the UE of hundreds of in second.

In addition, for source eNB when switching can provide comparatively accurate DL/UL IP throughput information to target eNB, then source eNB can start the operation that the DL/UL IP throughput of UE is measured when the signal quality of finding UE be lower than a default threshold value.

The measurement of above-mentioned IP throughput can be the different business at UE, and (QoS Class Identifier, the throughput of QCI) carrying out is respectively measured, and also can be the average throughput measured to a plurality of QCI to each QoS type identifier.

In the present embodiment, before UE switches, provide the IP throughput information that comprises that UE is current by the source eNB at UE place to target eNB, so that target eNB is the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment four:

See also Fig. 5, Fig. 5 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 5, this method can comprise:

501, source eNB sends handoff request message to target eNB, and this handoff request message is carried UE needs the CC that uses after switching to target eNB information and state thereof;

502, information and the state thereof of the CC of source eNB receiving target eNB transmission;

Wherein, but the state of the CC of target eNB transmission is used to indicate the CC of target eNB transmission to be in state of activation or to be in configuration deactivation status.

Wherein, the information of the CC that carries of the information of the CC that sends of target eNB and above-mentioned handoff request message is identical; The state of the CC that target eNB sends is identical or inequality with the state of the CC that above-mentioned handoff request message is carried.

503, source eNB sends switching command message to above-mentioned UE, so that above-mentioned UE switches to target eNB; This switching command message is carried information and the state thereof of the CC of target eNB transmission.

In the present embodiment, before UE switched, information and these switching assistance information of state thereof of providing UE to need the CC that uses after switching to target eNB to target eNB by the source eNB at UE place were determined the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment five:

See also Fig. 6, Fig. 6 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 6, this method can comprise:

601, UE sends measurement report to source eNB, and this measurement report comprises the measurement result of one or more CC.

602, source eNB makes switch decision based on above-mentioned measurement report and some other RRM information, determines suitable target eNB; Further, source eNB is that UE determines one or more target CC, and switching to as UE needs the CC that uses after the target eNB, and determines the state of these targets CC.

Particularly, the measurement report of each CC that source eNB can be comprehensively sends based on UE, information such as the resource load situation of target eNB are determined target CC and state thereof based on certain RRM algorithm.

Wherein, the state of so-called target CC is meant that but target CC is in state of activation and/or is in configuration deactivation status.

603, source eNB sends handoff request message to target eNB, carries information and state thereof that UE switches to needs one or more CC of using after the target eNB in this handoff request message.

That is, source eNB notification target eNB, among the determined target CC, which target CC should be activated by UE, and which target CC should still not activate for the UE configuration.

Wherein, above-mentioned handoff request message is specifically as follows HANDOVER REQUEST message, and this message is transferred to target eNB by X2 interface, thereby can realize that X2 switches.The benefit that X2 switches is that handover delay is lower, and can guarantee the data lossless in the handoff procedure.

Wherein, above-mentioned handoff request message specifically can also be HANDOVER REQUIRED message, and this message is transferred to MME by the S1 interface, and then is transmitted to target eNB by MME, thereby can realize that S1 switches.

604, target eNB is carried out prepare control;

Alternatively, whether target eNB can be changed the state of one or more target CC according to the self-condition decision.

605, target eNB sends switching request acknowledgement message to source eNB, carry target eNB in this switching request acknowledgement message and be UE distributes after switching to target BS, need to use be in state of activation and/or be in configuration but the information of the target DL CC/UL CC of deactivation status.

Wherein, the information of at least one CC that target eNB sends is identical with the information of at least one CC that above-mentioned handoff request message is carried, and the information state of at least one CC that the state of at least one CC of target eNB transmission and above-mentioned handoff request message are carried is identical or inequality.

606, source eNB sends switching command message to UE, carry the information of the target DL CC/UL CC that is in state of activation that uses for UE after switching to target BS, needing of distributing in this switching command message, and/or be in configuration but the information of the target DL CC/UL CC of deactivation status, so that UE switches to target eNB.

In the present embodiment, before UE switched, the information and the state that provide UE to need at least one CC of using after switching to target eNB to target eNB by the source eNB at UE place were determined the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment six:

See also Fig. 7, Fig. 7 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 7, this method can comprise:

701, source eNB sends handoff request message to target eNB, and but this handoff request message is carried UE needs to use be in state of activation and/or be in configuration the number of the CC of deactivation status after switching to target eNB;

702, but the UE that sends of source eNB receiving target eNB needs to use after switching to target BS is in state of activation and/or configuration the information of the CC of deactivation status;

In the present embodiment, the number of the CC that is in state of activation that target eNB sends is identical or inequality with the number of the CC that is in state of activation that source eNB recommends, and/or, target eNB sends be in configuration but the number of the CC of deactivation status and source eNB recommend be in configuration but the number of the CC of deactivation status is identical or inequality.

703, source eNB sends switching command message to the UE that is positioned at source eNB, and UE switches to target eNB with notice; This switching command message carry UE that target eNB sends switch to need after the target eNB to use be in state of activation and/or configuration but the information of the CC of deactivation status.

In the embodiment of the invention, the amount of bandwidth of each CC can be consistent, as long as target eNB knows that source eNB recommends like this is in state of activation and/or configuration but which CC the number of the CC of deactivation status just can determine to select, as long as the number of selected CC is consistent with the number of source eNB recommendation.

In the present embodiment, before UE switches, recommend to be in state of activation and/or configuration but the number of the CC of deactivation status by the source eNB at UE place to target eNB, so that target eNB is the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

In addition, in embodiments of the present invention, source eNB also can be when switching according to current traffic carrying capacity of UE and/or the measurement result of each target CC that UE reported, up and/or the downstream transmission bandwidth of decision UE required use after switching to target eNB, source eNB is switching to the UE that determines in handoff request message then needs the up and/or downstream transmission bandwidth notification target eNB that uses after the target eNB, up and/or the downstream transmission bandwidth that the UE that target eNB provides based on source eNB need use, the measurement result decision of the target CC tabulation of recommending in conjunction with source eNB or each target CC simultaneously is one or more CC of UE distribution.Wherein, target eNB is but that the state of one or more composition carrier waves of UE distribution can be state of activation and/or dispose deactivation status.

That is to say, can recommend UE to switch to quantity that transmission bandwidth that target eNB need use replaces source eNB to recommend UE to switch to from the CC of target eNB needs to target to target eNB with source eNB in the present embodiment and assist target eNB to determine to distribute to the number of the CC of UE.

Embodiment seven:

See also Fig. 8, Fig. 8 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 8, this method can comprise:

801, UE sends measurement report to source eNB, and this measurement report comprises the measurement result of one or more CC;

802, source eNB makes switch decision based on measurement report and some other RRM information, determines suitable target eNB;

Simultaneously source eNB determines that but UE switches to the number that needs the target CC that is in state of activation that uses after the target eNB and/or is in configuration the number of the target CC of deactivation status.Particularly, the measurement result of each CC that source eNB can report based on UE, the load information of target eNB and certain RRM algorithm are but that UE need to determine the number of the target CC that is in state of activation that uses and/or is in configuration the number of the target CC of deactivation status after UE switches to target eNB.

803, source eNB sends handoff request message to target eNB, carry source eNB in this handoff request message and be that target eNB recommends needs the number of the one or more target CC that are in state of activation that use after UE switches to target eNB, and/or be in configuration but one or more target CC numbers of deactivation status;

Further, source eNB can select one or more target CC for UE, and one or more target CC are recommended target eNB, the measurement result of each CC that source eNB also can report according to UE, recommend one or more target CC to target eNB, source eNB can with the target CC that recommends sort the back with form notification target eNB in this handoff request message of tabulation according to measurement result, perhaps also can be directly with measurement result notification target eNB in handoff request message of a plurality of target CC of recommending.

Wherein, above-mentioned handoff request message is specifically as follows HANDOVER REQUEST message, and this message is transferred to target eNB by X2 interface, thereby can realize that X2 switches.The benefit that X2 switches is that handover delay is lower, and can guarantee the data lossless in the handoff procedure.

Wherein, above-mentioned handoff request message specifically can also be HANDOVER REQUIRED message, and this message is transferred to MME by the S1 interface, and then is transmitted to target eNB by MME, thereby can realize that S1 switches.

804, target eNB is carried out prepare control;

Wherein, the number of the target CC that should activate for UE that target eNB is recommended according to source eNB and/or target eNB should be for the UE configurations but the number of the target CC of deexcitation, for UE determines the target CC that be activated and/or should be for the UE configuration but the target CC of deexcitation;

805, but target eNB sends switching request acknowledgement message to source eNB, carries in this switching request acknowledgement message to what switching to of determining of UE needed after the target eNB to use to be in state of activation and/or to be in configuration the information of the target CC of deactivation status;

806, source eNB sends switching command message to UE, carry in this switching command message to what switching to of distributing of UE needed after the target eNB to use and be in state of activation and/or be in configuration but the information of the target CC of deactivation status, so that UE switches to target eNB.

In the present embodiment, be recommended as UE distribute be in state of activation and/or be in configuration but the information of the CC of deactivation status by the source eNB at UE place to target eNB in preparatory stage that UE switches, determine the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment eight:

See also Fig. 9, Fig. 9 is the flow chart of the inter-cell switch method under another kind of carrier wave provided by the invention converges.As shown in Figure 9, this method can comprise:

901, source eNB sends handoff request message to target eNB, and but this handoff request message is carried the number of the current CC that is in state of activation that uses at source eNB of UE and/or is in configuration the number of the CC of deactivation status;

Wherein, source eNB specifically can send handoff request message to target eNB by X2 interface or S1 interface.

902, the information of the CC that is in state of activation that sends of source eNB receiving target eNB and/or be in configuration but the information of the CC of deactivation status; Wherein, the number of the CC that is in state of activation that target eNB sends is identical with the number of the CC that is in state of activation of the current use of UE, and target eNB sends, and to be in configuration identical but the number of the CC of deactivation status and being in of the current use of UE are disposed the number of the CC of deactivation status still.

903, source eNB sends switching command message to UE, and UE switches to target eNB with notice; But this switching command message is carried being in state of activation and/or being in configuration the information of the CC of deactivation status of target eNB transmission.

In the present embodiment, if the bandwidth information that above-mentioned handoff request message is also further carried the CC that is in state of activation of the current use of UE, then the bandwidth information of the CC that is in state of activation of the current use of UE is identical with the bandwidth information of the CC that is in state of activation of target eNB transmission; And/or

If but what above-mentioned handoff request message was also further carried the current use of UE is in configuration the bandwidth information of the CC of deactivation status, then the current use of UE be in configuration but still the bandwidth information of the CC of deactivation status is identical in the configuration that is in that the bandwidth information of the CC of deactivation status and target eNB send.

In the present embodiment, before UE switches by the source eNB at UE place provide to target eNB the current use of UE the CC that is in state of activation number and/or be in configuration but the number of the CC of deactivation status determine the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment nine:

See also Figure 10, Figure 10 is the flow chart of the inter-cell switch method under a kind of carrier wave provided by the invention converges.As shown in figure 10, this method can comprise:

1001, UE sends measurement report to source eNB, and this measurement report comprises the measurement result of one or more CC;

1002, source eNB makes switch decision based on above-mentioned measurement report and some other RRM information, determines suitable target eNB;

1003, source eNB sends handoff request message to target eNB, carry the current configuration information of UE in this handoff request message, the number of the CC of that this configuration information comprises the number of CC of the activation that UE uses in source eNB side and/or configuration at least but deexcitation in source eNB side.

Simultaneously, source eNB can with the target CC that recommends sort the back with form notification target eNB in this handoff request message of tabulation according to measurement result, perhaps also can be directly with measurement result notification target eNB in handoff request message of a plurality of target CC of recommending.

Further, the current configuration information of UE in source eNB side can comprise the activation that UE disposed in source eNB side the CC correspondence bandwidth information and/or be in configuration but the bandwidth information of the CC of deactivation status in the configuration of source eNB side.

Wherein, the handoff request message in the present embodiment is specifically as follows HANDOVER REQUEST message, and this message is transferred to target eNB by X2 interface, thereby can realize that X2 switches.The benefit that X2 switches is that handover delay is lower, and can guarantee the data lossless in the handoff procedure.

Wherein, the handoff request message in the present embodiment specifically can also be HANDOVER REQUIRED message, and this message is transferred to MME by the S1 interface, and then is transmitted to target eNB by MME, thereby can realize that S1 switches.

1004, target eNB is that target CC and/or the needs that UE distributes needs to activate dispose but the target CC of deexcitation according to the UE that source eNB provides at the configuration information of source eNB side;

1005, target eNB sends switching request acknowledgement message to source eNB, carry in this switching request acknowledgement message for UE after switching to target eNB, needing of determining use be in state of activation and/or be in configuration but the information of the target CC of deactivation status.

1006, source eNB sends switching command message to UE, carry in this switching command message for UE after switching to target eNB, needing of determining use be in state of activation and/or be in configuration but the information of the target CC of deactivation status so that UE switches to target eNB.

In the present embodiment, provide to target eNB by the source eNB at UE place in preparatory stage that UE switches the current use of UE the CC that is in state of activation number and/or be in configuration but the number of the CC of deactivation status determine the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Implement ten:

See also Figure 11, Figure 11 is the flow chart of the inter-cell switch method under a kind of carrier wave provided by the invention converges.As shown in figure 11, this method can comprise:

1101, the handoff request message of target eNB reception sources eNB transmission, this handoff request message is carried data pack buffer state information or the IP throughput information of UE;

1102, target eNB is in conjunction with the qos parameter of UE, and the tabulation of one or more target CC of recommending of source eNB or the measurement result of target CC, and the data pack buffer state information of UE or IP throughput information are determined one or more CC;

1103, the information of target eNB one or more CC that will determine is sent to source eNB, so that source eNB switches to target eNB by switching command message notice UE; Wherein, this switching command message is carried the information of one or more CC that target eNB determines; Wherein, one or more CC of determining of target eNB comprise that but UE needs the CC that is in state of activation that uses and/or is in configuration the CC of deactivation status after switching to target eNB.

In the present embodiment, data pack buffer state information or the IP throughput information of the UE that target eNB provides in conjunction with source eNB before UE switches are the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 11:

See also Figure 12, Figure 12 is the structure chart of a kind of base station provided by the invention, is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 12, this base station can comprise:

First sending module 1201 is used to send handoff request message to target eNB, and this handoff request message is carried data pack buffer state information or the IP throughput information of the UE that is positioned at this base station, so that target eNB is determined one or more CC's;

Wherein, target eNB is in conjunction with the qos parameter of UE, and the tabulation of the one or more target CC that recommend for target eNB or the measurement result of target CC, and the data pack buffer state information of UE or IP throughput information are determined one or more CC; Wherein, one or more CC of determining of target eNB comprise that but UE needs the CC that is in state of activation that uses and/or is in configuration the CC of deactivation status after switching to target eNB.

Wherein, first sending module 1201 specifically can be used for sending handoff request message to target eNB by X2 interface or by the S1 interface.

First receiver module 1202 is used for the information of one or more CC that receiving target eNB sends;

Wherein, first sending module 1201 also is used to send switching command message to above-mentioned UE, switches to target eNB to notify above-mentioned UE; This switching command message is carried the information of one or more CC of target eNB transmission.

In the present embodiment, the data pack buffer state information of UE specifically can be the up buffer status information of UE, and then the CC that this moment, target eNB was determined is up CC; Further, but the up CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Perhaps, the data pack buffer state information of UE specifically can be the down buffer storage state information of UE, and then the CC that this moment, target eNB was determined is descending CC; Equally, but the descending CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Or the data pack buffer state information of UE specifically can be down buffer storage state information and the up buffer status information of UE, and then this moment, target eNB can be determined descending CC and up CC simultaneously; Equally, but the descending CC that determines of target eNB and up CC can be in state of activation and/or be in configuration deactivation status.

In the present embodiment, the IP throughput information of UE specifically can be the up IP throughput information of UE, and then the CC that this moment, target eNB was determined is up CC; Further, but the up CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Perhaps, the IP throughput information of UE specifically can be the downstream IP throughput information of UE, and then the CC that this moment, target eNB was determined is descending CC; Equally, but the descending CC that determines of target eNB can be in state of activation and/or be in configuration deactivation status.

Or the IP throughput information of UE specifically can be downstream IP throughput information and the up IP throughput information of UE, and then this moment, target eNB can be determined descending CC and up CC simultaneously; Equally, but the descending CC that determines of target eNB and up CC can be in state of activation and/or be in configuration deactivation status.

In the present embodiment, the preparatory stage of switching at UE provides data pack buffer state information or the IP throughput information that comprises UE by first sending module 1201 to target eNB, so that target eNB is the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 12:

See also Figure 13, Figure 13 is the structure chart of another kind of base station provided by the invention, is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 13, this base station can comprise:

Second sending module 1301 is used to send handoff request message to target eNB, and this handoff request message is carried information and the state thereof that the UE that is positioned at this base station switches to needs one or more CC of using after the target eNB;

Second receiver module 1302 is used for information and the state thereof of one or more CC that receiving target eNB sends;

Wherein, second sending module 1301 also is used to send switching command message to above-mentioned UE, switches to target eNB to notify above-mentioned UE; This switching command message is carried information and the state thereof of one or more CC of target eNB transmission.

Wherein, but the state of CC is used to indicate CC to be in state of activation or is in configuration deactivation status.

In the embodiment of the invention, the information of the CC ripple that target eNB sends is identical with the information of the CC that above-mentioned handoff request message is carried; The state of the CC that target eNB sends is identical or inequality with the state of the CC that above-mentioned handoff request message is carried.

In the present embodiment, information and these switching assistance information of state of providing UE to need the CC that uses after switching to target eNB by second sending module 1301 to target eNB before UE switches are determined the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 13:

See also Figure 14, Figure 14 is the structure chart of another kind of base station provided by the invention, is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 14, this base station can comprise:

The 3rd sending module 1401 is used to send handoff request message to target eNB, and but this handoff request message carries that the UE that this base station recommends needs to use after switching to target eNB is in state of activation and/or configuration the number of the CC of deactivation status;

The 3rd receiver module 1402, but what be used for that UE that receiving target eNB determines needs the transmission used after switching to target eNB is in state of activation and/or configuration the number of the CC of deactivation status;

In the embodiment of the invention, the number of the CC that is in state of activation that target eNB sends is identical or inequality with the number of the CC that is in state of activation that recommend this base station, and/or target eNB sends is in configuration but still the number of the CC of deactivation status is identical or inequality in the configuration that is in that recommend the number of the CC of deactivation status and this base station.

Wherein, the 3rd sending module 1401 also is used for sending switching command message to the UE that is positioned at this base station, so that UE switches to target eNB; This switching command message is carried being in state of activation and/or disposing the still information of the CC of deactivation status of target eNB transmission.

In the present embodiment, before UE switches, recommend to be in state of activation and/or configuration but the number of the CC of deactivation status to target eNB, determine the CC and the state thereof of suitable number so that target eNB is UE by the 3rd sending module 1401.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 14:

See also Figure 15, Figure 15 is the structure chart of another kind of base station provided by the invention, is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 15, this base station can comprise:

The 4th sending module 1501 is used to send handoff request message to target eNB, this handoff request message carry the current use of UE that is positioned at this base station the CC that is in state of activation number and/or be in configuration but the number of the CC of deactivation status;

Wherein, the 4th sending module 1501 specifically can send handoff request message to target eNB by X2 interface or by the S1 interface.

But the 4th receiver module 1502 is used for the information of the CC that is in state of activation that receiving target eNB sends and/or is in configuration the information of the CC of deactivation status; Wherein, the number of the CC that is in state of activation that target eNB sends is identical with the number of the CC that is in state of activation of the current use of above-mentioned UE, and target eNB sends, and to be in configuration identical but the number of the CC of deactivation status and being in of the current use of above-mentioned UE are disposed the number of the CC of deactivation status still;

Wherein, the 4th sending module 1504 also is used to send switching command message to above-mentioned UE, so that above-mentioned UE switches to target eNB; But this switching command message is carried being in state of activation and/or being in configuration the information of the CC of deactivation status of target eNB transmission.

In the present embodiment, if the bandwidth information that above-mentioned handoff request message is also further carried the CC that is in state of activation of the current use of UE, then the bandwidth information of the CC that is in state of activation of the current use of UE is identical with the bandwidth information of the CC that is in state of activation of target eNB transmission; And/or

If but what above-mentioned handoff request message was also further carried the current use of UE is in configuration the bandwidth information of the CC of deactivation status, then the current use of UE be in configuration but still the bandwidth information of the CC of deactivation status is identical in the configuration that is in that the bandwidth information of the CC of deactivation status and target eNB send.

In the present embodiment, provide to target eNB by the 4th sending module 1501 in the preparatory stage that UE switches the current use of UE the CC that is in state of activation number and/or be in configuration but the number of the CC of deactivation status determine the CC and the state thereof of suitable number so that target eNB is UE.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 15:

See also Figure 16, Figure 16 is the structure chart of another kind of base station provided by the invention, is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 16, this base station can comprise:

Receiver module 1601 is used for the handoff request message that reception sources eNB sends, and this handoff request message is carried data pack buffer state information or the IP throughput information of UE;

Determination module 1602 is used for the qos parameter in conjunction with UE, and the tabulation of one or more target CC of recommending of source eNB or the measurement result of target CC, and the data pack buffer state information of UE or IP throughput information are determined one or more CC;

Sending module 1603, the information that is used for the one or more CC that will determine is sent to source eNB, so that source eNB switches to this base station by switching command message notice UE; Wherein, this switching command message is carried the information of the one or more CC that determine; The one or more CC that determined comprise that but UE needs the CC that is in state of activation that uses and/or is in configuration the CC of deactivation status after switching to this base station.

In the present embodiment, data pack buffer state information or the IP throughput information of the UE that determination module 1602 can provide in conjunction with source eNB before UE switches are the CC that UE determines suitable number.Like this, after UE switches to target eNB, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Embodiment 16:

See also Figure 17, Figure 17 is the structure chart of the minizone switched system under a kind of carrier wave provided by the invention converges, and is used to the inter-cell switch method of realizing that the embodiment of the invention provides.As shown in figure 17, this system can comprise: 1701, the second base stations 1702, first base station and the subscriber equipment 1703 that is positioned at first base station 1701;

Wherein, first base station 1701, be used to send handoff request message to the second base station 1702, this handoff request message is carried the switching assistance information of subscriber equipment 1703, and this switching assistance information comprises buffer status information or the IP throughput information that subscriber equipment 1703 is current;

Second base station 1702 is used to receive the handoff request message that first base station 1701 sends, and determines the information of at least one CC in conjunction with the switching assistance information that this handoff request message is carried, and is sent to first base station 1701;

Correspondingly, first base station 1701 also is used to receive the information of at least one CC that second base station 1702 sends, and sends switching command message to subscriber equipment 1703, and this switching command message is carried the information of at least one CC that second base station 1702 sends;

Correspondingly, subscriber equipment 1703 is used to receive the switching command message that first base station 1701 sends and switches to second base station 1702.

In the present embodiment, provide to second base station 1702 by first base station 1701 at subscriber equipment 1703 places in preparatory stage that subscriber equipment 1703 switches to comprise buffer status information that subscriber equipment 1703 is current or IP throughput information these switch assistance information, so that the CC of suitable number is determined in second base station 1702 for subscriber equipment 1703.Like this, after subscriber equipment 1703 switches to second base station 1702, the quality of service influence that brings because of the CC number is very few can be overcome, the waste that too much brings because of the CC number can be reduced simultaneously again the system wireless resource.

Of particular note, the embodiment of the invention is described with the FDD system, does not distinguish DL/UL CC in the TDD system, therefore the DL/UL CC among the present invention is directly replaced with CC and then can directly be applied in the TDD system.

In addition, at the FDD system, in some document one group of DL and UL CC (perhaps DL CC) are defined as a sub-district (cell), perhaps at the TDD system, a CC is defined as a sub-district (cell), then among the present invention, after one group of DL and UL CC or a CC replaced with the sub-district, also can directly use.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as read-only memory (ROM), random access device (RAM), magnetic disc or CD.

More than inter-cell switch method under a kind of carrier wave that the embodiment of the invention provided converged and system, base station be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.

Claims (15)

1. the inter-cell switch method under a carrier wave converges is characterized in that, comprising:

Send handoff request message to target BS, described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment, so that described target BS is determined one or more composition carrier waves according to the data pack buffer state information or the IP throughput information of described subscriber equipment;

Receive the information of described one or more composition carrier waves of described target BS transmission;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; Described switching command message is carried the information of described one or more composition carrier waves.

2. method according to claim 1 is characterized in that, described transmission handoff request message to target BS comprises:

Send handoff request message to target BS by X2 interface; Perhaps

Send handoff request message to mobile management entity by the S1 interface, make described handoff request message be forwarded to described target BS through described mobile management entity.

3. method according to claim 1 and 2 is characterized in that,

The data pack buffer state information of described subscriber equipment is the up buffer status information of described subscriber equipment, and then described composition carrier wave is up composition carrier wave; Perhaps

The data pack buffer state information of described subscriber equipment is the down buffer storage state information of described subscriber equipment, and then described composition carrier wave is descending composition carrier wave; Perhaps

The data pack buffer state information of described subscriber equipment is the down buffer storage state information and the up buffer status information of described subscriber equipment, and then described composition carrier wave comprises descending composition carrier wave and up composition carrier wave.

4. method according to claim 1 and 2 is characterized in that,

The IP throughput information of described subscriber equipment is the up IP throughput information of described subscriber equipment, and then described composition carrier wave is up composition carrier wave; Perhaps

The IP throughput information of described subscriber equipment is the downstream IP throughput information of described subscriber equipment, and then described composition carrier wave is descending composition carrier wave; Perhaps

The IP throughput information of described subscriber equipment is the downstream IP throughput information and the up IP throughput information of described subscriber equipment, and then described composition carrier wave comprises descending composition carrier wave and up composition carrier wave.

5. method according to claim 1 and 2 is characterized in that, the information of described composition carrier wave comprises the frequency or the identifier of described composition carrier wave.

6. the inter-cell switch method under a carrier wave converges is characterized in that, comprising:

Send handoff request message to target BS, described handoff request message is carried subscriber equipment that source base station recommends needs the described composition carrier wave that the information of one or more composition carrier waves of using and source base station determine as subscriber equipment after switching to described target BS state;

Receiving described target BS is the information and the state of the definite described one or more composition carrier waves of described subscriber equipment;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; Described switching command message is carried information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Wherein, but the state of described composition carrier wave is used to indicate described composition carrier wave to be in state of activation or is in configuration deactivation status.

7. the inter-cell switch method under a carrier wave converges is characterized in that, comprising:

Send handoff request message to target BS, but described handoff request message is carried subscriber equipment that source base station recommends needs to use be in state of activation and/or be in configuration the number of the composition carrier wave of deactivation status after switching to described target BS;

Receive described subscriber equipment that described target BS determines needs to use be in state of activation and/or be in configuration but the information of the composition carrier wave of deactivation status after switching to described target BS;

Send switching command message to described subscriber equipment, switch to described target BS to notify described subscriber equipment; But described switching command message is carried described subscriber equipment needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS.

8. method according to claim 7 is characterized in that,

The number of the composition carrier wave that is in state of activation that carries in the subscriber equipment that described target BS is determined needs the composition carrier wave that is in state of activation that uses after switching to described target BS number and the described handoff request message is identical; Described target BS is determined is in configuration but still the number of the composition carrier wave of deactivation status is identical in the configuration that is in of carrying in the number of the composition carrier wave of deactivation status and the described handoff request message.

9. method according to claim 7 is characterized in that,

But described number is: the number of the current composition carrier wave that is in state of activation that uses at source base station of described subscriber equipment and/or be in configuration the number of the composition carrier wave of deactivation status.

10. method according to claim 9 is characterized in that,

Described handoff request message is also carried the bandwidth information of the current composition carrier wave that is in state of activation that uses at source base station of described subscriber equipment, and the bandwidth of the current composition carrier wave that is in state of activation in the source base station use of the described subscriber equipment that described target BS is determined needs the composition carrier wave that is in state of activation that uses after switching to described target BS bandwidth and described subscriber equipment is identical; And/or

Described handoff request message carries also that but described subscriber equipment is current to be in configuration the bandwidth information of the composition carrier wave of deactivation status what source base station used, and the described subscriber equipment that described target BS is determined needs to use after switching to described target BS is in configuration but still the bandwidth of the composition carrier wave of deactivation status is identical for the current configuration of using at source base station that is in of the bandwidth of the composition carrier wave of deactivation status and described subscriber equipment.

11. the inter-cell switch method under a carrier wave converges is characterized in that, comprising:

The handoff request message that the reception sources base station sends, described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment;

QoS parameter in conjunction with described subscriber equipment, and one or more targets that described source base station is recommended form the tabulation of carrier waves or the measurement result that target is formed carrier wave, and the data pack buffer state information of described subscriber equipment or IP throughput information are determined one or more composition carrier waves;

The information of described one or more composition carrier waves of determining is sent to described source base station, so that described source base station notifies described subscriber equipment to switch to target BS by switching command message; Described switching command message is carried the information of described one or more composition carrier waves;

Described one or more composition carrier wave comprises that but described subscriber equipment needs the composition carrier wave that is in state of activation that uses and/or is in configuration the composition carrier wave of deactivation status after switching to described target BS.

12. a base station is characterized in that, comprising:

First sending module is used to send handoff request message to target BS, and described handoff request message is carried the buffer status information or the Internet protocol IP throughput information of subscriber equipment, so that described target BS is determined one or more composition carrier waves;

First receiver module is used to receive the information of described one or more composition carrier waves that described target BS sends;

Described first sending module also is used to send switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; Described switching command message is carried the information of described one or more composition carrier waves.

13. a base station is characterized in that, comprising:

Second sending module, be used to send handoff request message to target BS, described handoff request message is carried subscriber equipment that source base station recommends needs the described composition carrier wave that the information of one or more composition carrier waves of using and source base station determine as subscriber equipment after switching to described target BS state;

Second receiver module is used to receive information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Described second sending module also is used to send switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; Described switching command message is carried information and the state that described target BS is the definite described one or more composition carrier waves of described subscriber equipment;

Wherein, but the state of described composition carrier wave is used to indicate described composition carrier wave to be in state of activation or is in configuration deactivation status.

14. a base station is characterized in that, comprising:

The 3rd sending module, be used to send handoff request message to target BS, but described handoff request message is carried subscriber equipment that source base station recommends needs to use be in state of activation and/or be in configuration the number of the composition carrier wave of deactivation status after switching to described target BS;

But the 3rd receiver module is used to receive described subscriber equipment that described target BS determines needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS;

Described the 3rd sending module also is used for sending switching command message to described subscriber equipment, switches to described target BS to notify described subscriber equipment; But described switching command message is carried described subscriber equipment needs to use be in state of activation and/or be in configuration the information of the composition carrier wave of deactivation status after switching to described target BS.

15. a base station is characterized in that, comprising:

Receiver module is used for the handoff request message that the reception sources base station sends, and described handoff request message is carried the data pack buffer state information or the Internet protocol IP throughput information of subscriber equipment;

Determination module, be used for QoS parameter in conjunction with described subscriber equipment, and one or more targets that described source base station is recommended form the tabulation of carrier waves or the measurement result that target is formed carrier wave, and the data pack buffer state information of described subscriber equipment or IP throughput information are determined one or more composition carrier waves;

Sending module, the information that is used for the described one or more composition carrier waves that will determine is sent to described source base station, so that described source base station notifies described subscriber equipment to switch to this base station by switching command message; Described switching command message is carried the information of described one or more composition carrier waves;

Described one or more composition carrier wave comprises that but described subscriber equipment needs the composition carrier wave that is in state of activation that uses and/or is in configuration the composition carrier wave of deactivation status after switching to this base station.

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