CN101668306A - Method, system and device for switching based on user equipment - Google Patents
Method, system and device for switching based on user equipment Download PDFInfo
- Publication number
- CN101668306A CN101668306A CN200810119641A CN200810119641A CN101668306A CN 101668306 A CN101668306 A CN 101668306A CN 200810119641 A CN200810119641 A CN 200810119641A CN 200810119641 A CN200810119641 A CN 200810119641A CN 101668306 A CN101668306 A CN 101668306A
- Authority
- CN
- China
- Prior art keywords
- multiple access
- uplink multiple
- access modes
- subscriber equipment
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for switching based on user equipment, which comprises the following steps that: a source eNodeB performs message interaction with a target eNodeB to determine an uplink multiple access mode selected for the user equipment; and the source eNodeB transmits the information on the determined uplink multiple access mode to the user equipment. The invention also provides a system and a device for switching the user equipment. The uplink multiple access mode of the user equipment in the switching is determined in the message interaction mode in advance, so the reliability of a switching process is improved and the delay of the switching process is reduced.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the method, system and device that a kind of subscriber equipment switches.
Background technology
In order to keep LTE-Advanced (Long Term Evolution-Advanced, the further enhancing of Long Term Evolution) compatibility of system and LTE system, the LTE-Advanced system needs to support UE (the User Equipment of LTE system, subscriber equipment), and the UE of LTE-Advanced system also want and can in the LTE system, move.When the LTE-Advanced backward compatibility, need the problem of the uplink multiple access modes of solution UE.
In the LTE system, the uplink multiple access modes of UE is SC-FDMA (SingleCarrier-Frequency Division Multiple Access, single carrier-frequency division multiple access inserts), and in the LTE-Advanced system, may adopt the mixing access mode of SC-FDMA and OFDMA (OrthogonalFrequency Division Multiple Access, OFDM inserts) or other more advanced multiple access techniques.
The inventor finds that there are the following problems at least in the prior art in realizing process of the present invention:
In the handoff procedure of UE, if system's support mixing multiple access pattern, then the uplink multiple access modes of UE might change, but in the present handoff procedure and reckon without the situation that the uplink multi-address mode of UE changes, thereby the reliability and the switch speed of UE handoff procedure have been reduced.
Summary of the invention
The method, system and device that embodiments of the invention provide a kind of subscriber equipment to switch can be finished handoff procedure according to the uplink multiple access modes of determining.
The method that a kind of subscriber equipment switches comprises:
Carry out interacting message between source eNodeB and the target eNode B, determine the uplink multiple access modes that adopts when subscriber equipment switches;
Source eNodeB sends to subscriber equipment with the information of described definite uplink multiple access modes.
A kind of switching processing system comprises source base station and target BS,
Described source base station and described target BS are used to carry out interacting message, the uplink multiple access modes that adopts when switching with definite subscriber equipment;
Described source base station also is used for the information of described definite uplink multiple access modes is sent to subscriber equipment.
A kind of switch processing device comprises:
The access way determination module, the uplink multiple access modes that adopts when being used for determining the subscriber equipment switching;
Message transmission module, the information of the uplink multiple access modes that adopts when being used to send definite subscriber equipment switching.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, in the embodiment of the invention, because the uplink multiple access modes that adopts when subscriber equipment is switched is selected to determine, and finish switching according to selected uplink multiple access modes, therefore, improve the reliability of handoff procedure, and reduced the delay of handoff procedure.
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 one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, 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.
The processing procedure schematic diagram that Fig. 1 provides for Application Example one of the present invention;
The processing procedure schematic diagram that Fig. 2 provides for Application Example two of the present invention;
The processing procedure schematic diagram that Fig. 3 provides for Application Example three of the present invention;
The processing procedure schematic diagram that Fig. 4 provides for Application Example four of the present invention;
The processing procedure schematic diagram that Fig. 5 provides for Application Example five of the present invention;
Fig. 6 for the embodiment of the invention provide the system configuration schematic diagram;
The structural representation of the device that Fig. 7 provides for the embodiment of the invention.
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.
In the embodiment of the invention, when UE need switch, its processing procedure specifically can comprise: (evolved Node-B eNB) and carry out interacting message between the target eNB, determines the uplink multiple access modes that adopts when UE switches to source eNodeB; Source eNB sends to UE with the information of described definite uplink multiple access modes, and for example and without limitation, source eNB specifically can carry the information of described definite uplink multiple access modes in the switching command that sends to UE.
In the processing procedure of the embodiment of the invention, if target eNB is only supported the uplink multiple access modes (only supporting the SC-FDMA mode as the eNB in the LTE system) of single-mode, the uplink multiple access modes that the uplink multiple access modes of then described target eNB support adopts when being exactly the subscriber equipment switching, source eNB is known described uplink multiple access modes by communicating by letter with target eNB, this operates in and gets final product before UE finishes switching according to described uplink multiple access modes, in addition, target eNB can be carried out access control according to described uplink multiple access modes; If UE only supports the uplink multiple access modes (only supporting the SC-FDMA mode as the UE in the LTE system) of single-mode, the uplink multiple access modes that the uplink multiple access modes that then described UE supports adopts when being exactly the UE switching, source eNB informs that by the mode of message transmission target eNB is (because before decision is switched with the information of described uplink multiple access modes, source eNB and UE communicate, therefore known that UE only supports uplink multiple access modes and this uplink multiple access modes of single-mode), in addition, target eNB can be carried out access control according to the uplink multiple access modes that described UE supports.
In the processing procedure of the embodiment of the invention, if target eNode B and UE all support to mix the multiple access pattern, carry out interacting message between then described source eNodeB and the target eNode B, determine that the operation of the uplink multiple access modes of employing when subscriber equipment switches specifically can realize by following any one mode:
The uplink multiple access modes that adopts when (one) source eNB is UE selection switching, and the information of described uplink multiple access modes informed target eNB by the mode of message transmission, so that target eNB is carried out access control according to described uplink multiple access modes, wherein, UE can carry the uplink multiple access modes of its expectation in sending to source eNB measurement report or other message information, so that carry out reference during the uplink multiple access modes that source eNB adopts when selecting UE to switch, in addition, source eNB informs UE with described information for the definite uplink multiple access modes of UE by the mode of message transmission, so that UE switches according to described uplink multiple access modes;
The uplink multiple access modes that adopts when (two) target eNB is UE selection switching, and the information of described uplink multiple access modes informed source eNB by the mode of message transmission, wherein, UE can carry the uplink multiple access modes of its expectation in sending to source eNB measurement report or other message information, and be transmitted to target eNB by source eNB, so that carry out reference during the uplink multiple access modes that target eNB adopts when determining that the user is switched, in addition, source eNB informs UE with the information of described uplink multiple access modes by the mode of message transmission, so that UE switches according to described uplink multiple access modes, target eNB can also be carried out access control according to described uplink multiple access modes;
The uplink multiple access modes that adopts when (three) UE determines its switching, and the information of described uplink multiple access modes is notified to source eNB, source eNB informs target eNB with the information of described uplink multiple access modes by the mode of message transmission, so that target eNB can be carried out access control according to described uplink multiple access modes.Wherein, UE specifically can carry the information of the described uplink multiple access modes of especially selecting in the measurement report that sends to source eNB or other message.
In the above-mentioned processing procedure for UE selection uplink multiple access modes, when the mode that adopts () or (three) is handled, if target eNB is not supported the uplink multiple access modes that source eNB or UE select, then reselect the uplink multiple access modes that adopts when described UE switches, and the information of the described uplink multiple access modes of reselecting is informed source eNB by the mode of message transmission by target eNB; Source eNB informs UE with the information of the described uplink multiple access modes of reselecting by the mode of message transmission, so that UE switches according to the described uplink multiple access modes of reselecting.
Among the invention described above embodiment, described target eNB is before UE selects uplink multiple access modes, source eNB informs target eNB with the uplink multiple access modes that UE supports by the mode of message transmission, so that target eNB is that UE selects according to the uplink multiple access modes that UE supports.
The information of the uplink multiple access modes of mentioning among the invention described above embodiment specifically can comprise: uplink multiple access modes, the perhaps designator of uplink multiple access modes, perhaps uplink multiple access modes change designator or the like.
To be described in detail the specific implementation of the embodiment of the invention in actual application below.
Be example all in each Application Example of following the present invention with support SC-FDMA and two kinds of access modules of OFDMA in the LTE-Advanced system.
Application Example one
In the embodiment of the invention one, the uplink multiple access modes that adopts when being UE selection switching by source eNB, as shown in Figure 1, the specific implementation of handoff procedure can comprise the steps:
11, source eNB is based on the current QoS of measurement report, wireless resource management information and the UE of UE (Quality of Service, service quality) in requiring or multinomial making are switched decision, and be the uplink multiple access modes of UE select target eNB and employing when switching;
12, source eNB sends handoff request message to target eNB, comprise in the described handoff request message: source eNB is the information (uplink multiple access modes for example of the uplink multiple access modes selected of UE, the perhaps designator of uplink multiple access modes, perhaps whether change designator of uplink multiple access modes or the like), and existing call parameter in the handoff request message, as qos parameter of EPS (Evolved Packet System, the grouping system of evolution) carrying or the like;
13, target eNB is according to the information of the described uplink multiple access modes that receives, information and executing access controls such as qos parameter with the EPS carrying, if target eNB has enough resources, then target eNB can be according to the qos parameter configuration institute requested resource of the EPS carrying that receives; In addition, source eNB can reserve a C-RNTI (Cell-Radio Network Temporary identifier for UE, the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI symbol), can also insert Preamble (lead code) and/or PRACH (Physical Random Access Channel, Physical Random Access Channel) resource at random for UE reserves one;
14, target eNB sends switching request acknowledgement message to source eNB, and described switching request acknowledgement message comprises a transparent container (transparent vessel), this transparent container comprises the security algorithm identifier that is used to select security algorithm of target eNB, if source eNB is that UE has reserved C-RNTI in 13, also comprise a C-RNTI among the then described transparent container, if reserved the Preamble and/or the PRACH resource that insert at random for UE in 13, then described transparent container can also comprise the indication information of the termination time of inserting Preamble and described Preamble at random of a special use, and other parameters are (as sending the PRACH resource of Preamble, system information block or the like), also comprise in the described switching request acknowledgement message and be used to describe the information that described source eNB is the uplink multiple access modes of UE selection, be used for showing that described target eNB support source eNB is the uplink multiple access modes that UE selects, and the information of described uplink multiple access modes can directly be included in the switching request acknowledgement message, also can be included among the described transparent container;
15, source eNB sends switching command message to UE, comprise the described transparent container in 14 in the described switching command message, be not used to describe the information that described source eNB is the uplink multiple access modes of UE selection if do not comprise among the described transparent container, the information that also comprises uplink multiple access modes in the then described switching command message is used for the uplink multiple access modes of notifying UE to adopt, perhaps indicate UE whether to need to change current uplink multiple access modes), in addition, source eNB encrypts with integrity protection described switching command message and operates;
16, after UE receives described switching command message, carry out synchronizing process with described target eNB, and be linked into Target cell, if comprise special-purpose Preamble of access at random and/or PRACH resource in the described switching command, then carry out non-competing access way at random, otherwise, insert Target cell according to the access way at random of competition.
In the above-mentioned processing procedure, UE can carry the information of the uplink multiple access modes of its expectation in measurement report, so that source eNB carries out reference when the uplink multiple access modes of decision when target eNB, Target cell and switching.
In addition, can also carry the information of the uplink multiple access modes of UE support in the handoff request message that described source eNB sends, described information shows whether UE supports SC-FDMA only to support SC-FDMA access way or UE only to support the OFDMA access way with mix multi-access mode, the UE of OFDMA.In the above-mentioned processing procedure, if target eNB is not supported the uplink multiple access modes that source eNB selects, then source eNB is that UE reselects uplink multiple access modes, and specifically the information of the uplink multi-address mode that can support according to described UE is selected.
The information of the uplink multi-address mode that adopts when being used in the Application Example one of the present invention determining the UE switching is included in switches message, should be pointed out that and describedly be used for determining that the information of the uplink multiple access modes that adopts when UE switches can also transmit by independent message.
Because the uplink multiple access modes the when technical scheme that provides of the embodiment of the invention one is switched UE determines, and switches according to definite uplink multiple access modes, thereby improve the reliability of handoff procedure, and reduced the delay of handoff procedure.
Application Example two
In the Application Example two of the present invention, the uplink multiple access modes that adopts when being UE selection switching by target eNB, as shown in Figure 2, the specific implementation of handoff procedure can comprise the steps:
21, source eNB switches decision based on one in the current qos requirement of measurement report, wireless resource management information and the UE of UE or multinomial making, and is UE select target eNB;
22, source eNB sends handoff request message to target eNB, carry necessary information in the described handoff request message, as qos parameter of EPS carrying or the like, can also carry the designator of current uplink multiple access modes of UE or described uplink multiple access modes or the uplink multiple access modes that UE supports;
23, target eNB is according to the qos parameter of the EPS carrying that receives, the uplink multiple access modes that UE adopted when in the uplink multiple access modes that the uplink multiple access modes that resource situation that target eNB is current and UE are current or UE support (if having carried the uplink multiple access modes that the current uplink multiple access modes of UE or UE support in the handoff request message) one or multinomial decision were switched, and carry out access control according to the qos parameter of EPS carrying and/or the uplink multiple access modes of UE, if target eNB has enough resources, then target eNB can also be according to the qos parameter configuration institute requested resource of the EPS carrying that receives; In addition, source eNB can reserve a C-RNTI for UE, can also insert Preamble and/or PRACH resource at random for UE reserves one;
24, target eNB sends switching request acknowledgement message to source eNB, described switching request acknowledgement message comprises a transparent container, this transparent container comprises the security algorithm identifier that is used to select security algorithm of target eNB, if source eNB is that UE has reserved C-RNTI in 23, also comprise a C-RNTI among the then described transparent container, if reserved the Preamble and/or the PRACH resource that insert at random for UE in 23, then described transparent container can also comprise the indication information of the termination time of inserting Preamble and described Preamble at random of a special use, and other parameters are (as sending the PRACH resource of Preamble, system information block or the like), also comprise in the described switching request acknowledgement message be used to describe the described uplink multiple access modes of selecting for UE information (as up access mode, or uplink multiple access modes designator, or the uplink multi-address mode changes designator etc.), and the information of described uplink multiple access modes can directly be included in the Handover Request Acknowledge information, also can also be included among the described transparent container;
25, source eNB sends switching command message to UE, comprise the described transparent container in 24 in the described switching command message, if do not comprise the information that is used to describe the described uplink multiple access modes of selecting for UE among the described transparent container, also comprising uplink multiple access modes information in the then described switching command message (specifically can be uplink multiple access modes, or uplink multiple access modes designator, or the uplink multi-address mode changes designator etc., the uplink multiple access modes that need adopt when being used for notifying UE to switch, perhaps indicate UE whether to need to change current uplink multiple access modes), in addition, source eNB encrypts with integrity protection described switching command message and operates;
26, after UE receives described switching command message, carry out synchronizing process with described target eNE, and be linked into Target cell, if comprise special-purpose Preamble of access at random and/or PRACH resource in the described switching command, then carry out non-competing access way at random, otherwise, insert Target cell according to the access way at random of competition.
In the above-mentioned processing procedure, UE can carry the information of the uplink multiple access modes of its expectation in measurement report, the uplink multiple access modes information of the expectation that source eNB reports UE in handoff request message is notified to target eNB, so that carry out reference during the uplink multiple access modes of target eNB when decision is switched.
The information of the uplink multi-address mode that adopts when being used in the Application Example two of the present invention determining the UE switching is included in switches message, should be pointed out that and describedly be used for determining that the information of the uplink multiple access modes that adopts when UE switches can also transmit by independent message.
When LTE-Advanced UE switches in the LTE-Advanced system from the LTE system, if adopt the processing mode of Application Example two of the present invention, promptly by target eNode B (eNodeB of LTE-Advanced system) for UE selects uplink multiple access modes, then need not the function of the eNodeB in the prior LTE system is changed the switching of the uplink multiple access modes that can finish UE.
Because the uplink multiple access modes the when technical scheme that provides of the embodiment of the invention two is switched UE determines, and switches according to definite uplink multiple access modes, thereby improve the reliability of handoff procedure, and reduced the delay of handoff procedure.
Application Example three
Application Example three of the present invention, as shown in Figure 3, the specific implementation of handoff procedure can comprise following operation:
The information of the uplink multiple access modes that adopts when 31, UE carries selected the switching in measurement report or other message is (as up access mode, or the designator of uplink multiple access modes, or the designator of uplink multiple access modes change or the like), source eNB is based on the measurement report of UE (carrying the information of the uplink multiple access modes that UE selects) in the described measurement report, and in the wireless resource management information one or multinomial making are switched decision;
32, source eNB sends handoff request message to target eNB, the information of the uplink multiple access modes that adopts when carrying described switching that UE selects in the described handoff request message is (as up access mode, or the designator of uplink multiple access modes, and other necessary parameter (as qos parameter of EPS carrying or the like) or the designator that changes of uplink multiple access modes or the like);
33, in the information of the uplink multiple access modes selected according to the current resource situation of qos parameter, the target eNB of the EPS that receives carrying and UE of target eNB or multiple parameters are carried out access control, if target eNB has enough resources and supports the uplink multiple access modes that UE selects, then target eNB is according to the uplink multiple access modes configuration institute request resource of the qos parameter of the EPS carrying of receiving and/or described selected UE; In addition, source eNB can reserve a C-RNTI for UE, can also insert Preamble and/or PRACH resource at random for UE reserves one; If target eNB is not supported the uplink multiple access modes that UE selects, perhaps the uplink multiple access modes of selecting at UE does not have enough resources, then target eNB is that UE reselects uplink multiple access modes, if target eNB allows, then target eNB is according to the uplink multiple access modes configuration institute request resource of the qos parameter of the EPS that receives carrying and/or described selected UE, in addition, source eNB can reserve a C-RNTI for UE, can also insert Preamble and/or PRACH resource at random for UE reserves one;
34, target eNB sends switching request acknowledgement message to source eNB, comprise a transparent container in the described switching request acknowledgement message, this transparent container comprises the security algorithm identifier that is used to select security algorithm of target eNB, if source eNB is that UE has reserved C-RNTI in 33, also comprise a C-RNTI among the then described transparent container, if source eNB is that UE has reserved the Preamble and/or the PRACH resource that insert at random in 33, then described transparent container can also comprise the indication information of the termination time of inserting Preamble and described Preamble at random of a special use, and other parameters are (as sending the PRACH resource of Preamble, system information block or the like), the information that also comprises the uplink multiple access modes that is used to describe the final UE that determines in the described switching request acknowledgement message is (as up access mode, or uplink multiple access modes designator, or the uplink multi-address mode changes designator etc.), and the information of described uplink multiple access modes can directly be included in the Handover Request Acknowledge information, also can also be included among the described transparent container;
35, source eNB sends switching command message to UE, comprise the described transparent container in 34 in the described switching command message, if do not comprise the information (uplink multiple access modes that uplink multiple access modes that UE selects or target eNB are reselected) of the final uplink multiple access modes of determining among the described transparent container, also comprise the information of the described final uplink multiple access modes of determining in the then described switching command message;
36, after UE receives described switching command message, carry out synchronizing process with described target eNB, and be linked into Target cell, if comprise special-purpose Preamble of access at random and/or PRACH resource in the described switching command, then carry out non-competing access way at random, otherwise, insert Target cell according to the access way at random of competition.
In the above-mentioned processing procedure, can also carry the information of the uplink multiple access modes of UE support in the handoff request message that described source eNB sends, described information shows whether UE supports SC-FDMA only to support SC-FDMA access way or UE only to support the OFDMA access way with mix multi-access mode, the UE of OFDMA.In the above-mentioned processing procedure, if target eNB is not supported the uplink multiple access modes that UE selects, then for UE reselects uplink multiple access modes, specifically the information of the uplink multi-address mode that can support according to described UE is selected.
The information of the uplink multi-address mode that adopts when being used in the invention described above Application Example three determining the UE switching is included in switches message, should be pointed out that and describedly be used for determining that the information of the uplink multiple access modes that adopts when UE switches can also transmit by independent message.
Because the uplink multiple access modes the when technical scheme that provides of the embodiment of the invention three is switched UE determines, and switches according to definite uplink multiple access modes, thereby improve the reliability of handoff procedure, and reduced the delay of handoff procedure.
Application Example four
In Application Example four of the present invention, LTE-Advanced UE will switch to the LTE system from the LTE-Advanced system.As shown in Figure 4, concrete handoff procedure can comprise following operation:
41, source eNB switches decision based on one in the current qos requirement of measurement report, wireless resource management information and the UE of UE or multinomial making, and is the eNB that UE selects the LTE system,
42, source eNB sends handoff request message to target eNB;
43, target eNB is carried out access control according to the qos parameter of EPS carrying, if target eNB has enough resources, then target eNB can also be according to the qos parameter configuration institute requested resource of the EPS carrying that receives; In addition, source eNB can reserve a C-RNTI for UE, can also insert Preamble and/or PRACH resource at random for UE reserves one;
44, target eNB sends switching request acknowledgement message to source eNB;
45, source eNB sends switching command message to UE, carry the information of the uplink multiple access modes of target eNode B support in the described message, the information of described uplink multiple access modes can be uplink multiple access modes, perhaps uplink multiple access modes designator, perhaps uplink multiple access modes changes designator or the like, for example, if the current mode of operation of UE is OFDMA, then the information of described uplink multiple access modes can be that uplink multiple access modes changes designator;
46, UE receives described switching command message, and carry out synchronously according to the information and the target eNB of wherein uplink multiple access modes, and be linked into Target cell, if distributed special-purpose Preamble of access at random and/or PRACH resource in the described switching command message, then carry out non-competing access way at random, otherwise, insert Target cell according to the access way at random of competition.
In the above-mentioned processing procedure, can also carry the information of the uplink multiple access modes of UE support in the handoff request message that described source eNB sends, described information shows whether UE supports SC-FDMA only to support SC-FDMA access way or UE only to support the OFDMA access way with mix multi-access mode, the UE of OFDMA.
Be used in the Application Example four of the present invention informing that the information of the uplink multi-address mode that adopts when UE switches is included in switching command message, should be pointed out that the described information that is used for uplink multiple access modes can also send to UE by independent message.
Because the uplink multiple access modes the when technical scheme that provides of the embodiment of the invention four is switched UE determines, and switches according to definite uplink multiple access modes, thereby improve the reliability of handoff procedure, and reduced the delay of handoff procedure.
Application Example five
In Application Example five of the present invention, LTE UE will switch to the LTE-Advanced system from the LTE system.As shown in Figure 5, concrete handoff procedure can comprise following operation:
51, during source eNB requires based on the current QoS of measurement report, wireless resource management information and the UE of UE (Quality of Service, service quality) one or multinomial making are switched decision, are UE select target eNB.Because LTE UE only supports the access way of SC-FDMA, so the SC-FDMA mode is the uplink multiple access modes that adopts when UE switches,
52, source eNB sends handoff request message to target eNB, the information of uplink multiple access modes of carrying described UE in the described handoff request message is (as SC-FDMA, and other necessary parameter (as qos parameter of EPS carrying or the like) or the designator of SC-FDMA or the like);
53, target eNB is carried out access control according to one in the information of the uplink multiple access modes of current resource situation of qos parameter, the target eNB of the EPS that receives carrying and UE or multiple parameters, if target eNB has enough resources, then target eNB is according to the uplink multiple access modes configuration institute request resource of the qos parameter and/or the described UE of the EPS carrying of receiving; In addition, source eNB can reserve a C-RNTI for UE, can also utilize the SC-FDMA mode to carry out the private resource of access as UE for UE reserves a Preamble and/or a PRACH resource that originally is used for the OFDMA access way;
54, target eNB sends switching request acknowledgement message to source eNB;
55, source eNB sends switching command message to UE;
56, UE realizes synchronously according to described switching command message and target eNB, and is linked into Target cell.
The information of the uplink multiple access modes of UE is included in the handoff request message described in the Application Example five of the present invention, should be pointed out that the information of the uplink multiple access modes of described UE can also send to target eNB by independent message.
In the LTE-Advanced system, can divide based on uplink multiple access modes Preamble and the PRACH resource of eNB, promptly OFDMA all can enjoy different Preamble and/or PRACH resource respectively with SC-FDMA.For example, when UE adopts the SC-FDMA mode to insert, Preamble and/or the PRACH resource reserved as SC-FDMA be can use, in addition, as described in above-mentioned 52, Preamble and/or the PRACH resource reserved as OFDMA also can be used.
Because determining of the uplink multiple access modes the when technical scheme that the embodiment of the invention five provides has carried out switching in the UE handoff procedure, and switch according to the uplink multiple access modes of determining, thereby improved the reliability of handoff procedure, and reduced the delay of handoff procedure.
The all or part of step of realization said method embodiment can be finished by the relevant hardware of program command, and aforesaid program can be stored in the computer read/write memory medium, and 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 ROM, RAM, magnetic disc or CD.
The embodiment of the invention also provides a kind of switching processing system, its structure as shown in Figure 6, the specific implementation structure can comprise source base station 1 and target BS 2, wherein:
Source base station 1 and target BS 2 are used to carry out interacting message, the uplink multiple access modes that adopts when switching with definite subscriber equipment; Described source base station 1 also is used for the information of described definite uplink multiple access modes is sent to subscriber equipment.
In the described system of the invention described above embodiment, when described target BS 2 is only supported the uplink multiple access modes of single-mode (only supporting the SC-FDMA mode) as the eNB in the LTE system, the uplink multiple access modes that described target BS 2 is supported is exactly the uplink multiple access modes of selecting for subscriber equipment, then source base station 1 specifically can be used for communicating with target BS the information of the uplink multiple access modes that obtains described target BS 2 supports, and the information of the uplink multiple access modes that described target BS 2 is supported sends to subscriber equipment (in the system described in the embodiment of the invention, the information of described uplink multiple access modes specifically can be uplink multiple access modes, or the designator of uplink multiple access modes, or do not change designator of uplink multiple access modes or the like); When only supporting the uplink multiple access modes of single-mode, subscriber equipment (only supports the SC-FDMA mode) as the subscriber equipment in the LTE system, the uplink multiple access modes of described subscriber equipment support is exactly the uplink multiple access modes of selecting for subscriber equipment, then source base station 1 specifically can be used for sending message to target BS 2, described source base station 1 carries the information of the uplink multiple access modes of described subscriber equipment support in the message that target BS 2 sends, wherein, because before decision is switched, source base station 1 communicates with subscriber equipment, so source base station 1 has known that subscriber equipment only supports the uplink multiple access modes of single-mode.
In the described system of the invention described above embodiment, when target BS 2 and subscriber equipment are all supported to mix the multiple access pattern, then:
The uplink multiple access modes that source base station 61 adopts in the time of can also being used to subscriber equipment to select to switch, and to target BS 62 transmission message, carry the information of described uplink multiple access modes in the described message, so that target BS 62 is carried out access control according to described uplink multiple access modes;
Perhaps,
Source base station 61 also is used to receive the message that subscriber equipment sends, the information of the uplink multiple access modes that adopts when carrying the switching that subscriber equipment selects in the described message, give target BS 62 with described forwards, so that target BS 62 is according to the information and executing access control of described uplink multiple access modes;
Perhaps,
The uplink multiple access modes that target BS 62 adopts when also being used to subscriber equipment to select to switch, and to source base station 61 transmission message, carry the information of described uplink multiple access modes in the described message, and source base station 61 is used for also the information of described uplink multiple access modes is transmitted to subscriber equipment.Wherein, described subscriber equipment specifically can be the measurement report of this subscriber equipment to the message that source base station 61 sends, and also can be other message that this subscriber equipment sends.
Because determining of the uplink multiple access modes the when system that the embodiment of the invention provides has carried out switching in the subscriber equipment handoff procedure, and switch according to the uplink multiple access modes of determining, thereby improved the reliability of handoff procedure, and reduced the delay of handoff procedure.
The embodiment of the invention also provides a kind of switch processing device, its structure as shown in Figure 7, the specific implementation structure can comprise:
Access way determination module 71, the uplink multiple access modes that adopts when being used for determining the subscriber equipment switching;
Message transmission module 72 is used to send the information of the uplink multiple access modes that adopts when described definite subscriber equipment switches.
The device that the invention described above embodiment provides can also comprise message sink module 73, is used to receive the information of other devices for the uplink multiple access modes of subscriber equipment selection; Accordingly, described access way determination module 71 also is used for being defined as the uplink multiple access modes that subscriber equipment is selected according to the information that described message sink module 73 receives.
In the device that the invention described above embodiment provides, if described device is a target BS, described access way determination module 71 can also comprise following submodule:
Select determination module 711, when described device and subscriber equipment are all supported to mix uplink multiple access modes, be used to subscriber equipment to select uplink multiple access modes;
Judge determination module 712, be used to judge whether described device only supports the uplink multiple access modes of single-mode, if, determine that then this uplink multiple access modes is exactly the uplink multiple access modes of selecting for subscriber equipment, otherwise, by selecting determination module 711 to select uplink multiple access modes for subscriber equipment.
Above-mentioned access way determination module 71 can also be used for judging according to the information that message sink module 73 receives whether described device supports described uplink multiple access modes for the subscriber equipment selection, if do not support, then determine uplink multiple access modes for subscriber equipment again; Described message transmission module 72 also is used to send the information of the uplink multiple access modes that described receive mode determination module 71 determines for subscriber equipment again.For example, the uplink multiple access modes that the information that message sink module 73 receives is designated as user's selection is the OFDMA mode, then access way determination module 71 judges whether described device allows to adopt described OFDMA mode at present, if can, determine that then the OFDMA mode is the uplink multiple access modes of selecting for the user, otherwise, again select uplink multiple access modes for subscriber equipment by described access way determination module 71, and send by the information of message transmission module 72 with the described uplink multiple access modes of reselecting.
The device that the embodiment of the invention provides both can be used as source base station, also can be used as target BS.
Because determining of the uplink multiple access modes the when device that the embodiment of the invention provides has carried out switching in the UE handoff procedure, and switch according to the uplink multiple access modes of determining, thereby improved the reliability of handoff procedure, and reduced the delay of handoff procedure.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (19)
1, a kind of method of subscriber equipment switching is characterized in that, comprising:
Carry out interacting message between source eNodeB and the target eNode B, determine the uplink multiple access modes that adopts when subscriber equipment switches;
Source eNodeB sends to subscriber equipment with the information of described definite uplink multiple access modes.
2, method according to claim 1 is characterized in that, carries out interacting message between described source eNodeB and the target eNode B, determines that the operation of the uplink multiple access modes of employing when subscriber equipment switches comprises:
If target eNode B is only supported the uplink multiple access modes of single-mode, the uplink multiple access modes that the uplink multiple access modes of then described target eNode B support adopts when being exactly the subscriber equipment switching; Source eNodeB is known described uplink multiple access modes by communicating with target eNode B;
If subscriber equipment is only supported the uplink multiple access modes of single-mode, the uplink multiple access modes that the uplink multiple access modes of then described subscriber equipment support adopts when being exactly the subscriber equipment switching; Source eNodeB informs target eNode B with the information of described uplink multiple access modes by the mode of message transmission.
3, method according to claim 1, it is characterized in that, if target eNode B and subscriber equipment all support to mix the multiple access pattern, carry out interacting message between then described source eNodeB and the target eNode B, determine that the operation of the uplink multiple access modes of employing when subscriber equipment switches comprises:
Source eNodeB is the uplink multiple access modes that subscriber equipment adopts when select switching, and with the information notification target eNodeB of described uplink multiple access modes;
Perhaps,
Target eNode B is the uplink multiple access modes that subscriber equipment adopts when select switching, and with the information notification source eNodeB of described uplink multiple access modes;
Perhaps,
Source eNodeB receive that subscriber equipment sends by the switching of its selection the time uplink multiple access modes that adopts information, and with the information notification target eNodeB of described uplink multiple access modes.
4, method according to claim 3 is characterized in that, described source eNodeB receive that subscriber equipment sends by the switching of its selection the time uplink multiple access modes that adopts information comprise:
Source eNodeB receives the measurement report that subscriber equipment sends, the information of the uplink multiple access modes that adopts when comprising the switching of being selected by subscriber equipment in the described measurement report.
5, method according to claim 3 is characterized in that, when source eNodeB or target eNode B are the uplink multiple access modes of subscriber equipment when select switching, with reference to the information of the uplink multiple access modes of its expectation of user equipment to report.
6, method according to claim 5, it is characterized in that, the operation of the information of the uplink multiple access modes of described its expectation with reference to user equipment to report comprises: receive the measurement report that described subscriber equipment sends, the information of the uplink multiple access modes that adopts when comprising the switching of being selected by subscriber equipment in the described measurement report.
7, method according to claim 3, it is characterized in that, if target eNode B is not supported the uplink multiple access modes that source eNodeB or subscriber equipment are selected, then reselect the uplink multiple access modes that adopts when subscriber equipment switches, and the information of the described uplink multiple access modes of reselecting is informed source eNodeB by the mode of message transmission by target eNode B.
8, method according to claim 7, it is characterized in that, the uplink multiple access modes that the described uplink multiple access modes of reselecting adopts when switching for the subscriber equipment of determining, source eNodeB informs subscriber equipment with the information of described uplink multiple access modes by the mode of message transmission.
9, according to claim 3,5 or 7 any described methods, it is characterized in that, described target eNode B is that source eNodeB informed target eNode B with the information of the uplink multiple access modes of subscriber equipment support by the mode of message transmission before subscriber equipment was selected uplink multiple access modes.
According to any described method of claim 2～8, it is characterized in that 10, target eNode B is after the information of receiving the described uplink multiple access modes that source eNodeB sends, according to the information and executing access control of described uplink multiple access modes; Perhaps, if the uplink multiple access modes that adopts when determining that by target eNode B the user is switched, target eNode B is carried out access control according to described uplink multiple access modes.
11, according to any described method of claim 2～8, it is characterized in that the information of described uplink multiple access modes comprises:
Uplink multiple access modes, the perhaps designator of uplink multiple access modes, perhaps uplink multiple access modes change designator.
According to each described method of claim 1～8, it is characterized in that 12, source eNodeB is by the information notification subscriber equipment of switching command with described definite uplink multiple access modes.
13, a kind of switching processing system is characterized in that, comprises source base station and target BS,
Described source base station and described target BS are used to carry out interacting message, the uplink multiple access modes that adopts when switching with definite subscriber equipment;
Described source base station also is used for the information of described definite uplink multiple access modes is sent to subscriber equipment.
14, system according to claim 13, it is characterized in that, when described target BS was only supported the uplink multiple access modes of single-mode, described source base station was used for communicating with target BS the information of the uplink multiple access modes that obtains described target BS support; When subscriber equipment was only supported the uplink multiple access modes of single-mode, described source base station was used for sending message to target BS, carried the information of the uplink multiple access modes of described subscriber equipment support in the described message.
15, system according to claim 13 is characterized in that, when described target BS and subscriber equipment are all supported to mix the multiple access pattern:
The uplink multiple access modes that described source base station adopts when also being used to subscriber equipment to select to switch, and to target BS transmission message, the information of carrying described uplink multiple access modes in the described message;
Perhaps,
Source base station also is used to receive the message that subscriber equipment sends, and the information of the uplink multiple access modes that adopts when carrying the switching that subscriber equipment selects in the described message is given target BS with described forwards;
Perhaps,
The uplink multiple access modes that described target BS adopts when also being used to subscriber equipment to select to switch, and to source base station transmission message, carry the information of described uplink multiple access modes in the described message, and source base station is used for also the information of described uplink multiple access modes is transmitted to subscriber equipment.
16, a kind of switch processing device is characterized in that, comprising:
The access way determination module, the uplink multiple access modes that adopts when being used for determining the subscriber equipment switching;
Message transmission module, the information of the uplink multiple access modes that adopts when being used to send definite subscriber equipment switching.
17, device according to claim 16 is characterized in that, this device also comprises the message sink module, is used to be received as the information of the uplink multiple access modes that subscriber equipment selects;
The information that described access way determination module receives according to described message sink module is defined as the uplink multiple access modes that subscriber equipment is selected.
18, device according to claim 16 is characterized in that, if described device is a target BS, described access way determination module comprises:
Judge determination module, be used to judge whether described device only supports the uplink multiple access modes of single-mode, if then determine the uplink multiple access modes that this uplink multiple access modes adopts when being exactly the subscriber equipment switching;
Selecting determination module, be used for when described device and subscriber equipment are all supported to mix uplink multiple access modes, is subscriber equipment selection uplink multiple access modes.
19, device according to claim 17, it is characterized in that, described access way determination module also is used for judging according to the information that the message sink module receives whether described device supports described uplink multiple access modes for the subscriber equipment selection, if do not support, then select uplink multiple access modes for subscriber equipment again; Described message transmission module also is used to send the information of the uplink multiple access modes that described receive mode determination module selects for subscriber equipment again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810119641 CN101668306B (en) | 2008-09-04 | 2008-09-04 | Method, system and device for switching based on user equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810119641 CN101668306B (en) | 2008-09-04 | 2008-09-04 | Method, system and device for switching based on user equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101668306A true CN101668306A (en) | 2010-03-10 |
| CN101668306B CN101668306B (en) | 2013-06-05 |
Family
ID=41804684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810119641 Expired - Fee Related CN101668306B (en) | 2008-09-04 | 2008-09-04 | Method, system and device for switching based on user equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101668306B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826907A (en) * | 2009-03-02 | 2010-09-08 | 中兴通讯股份有限公司 | Multi-access mode notification method and transmitting device for wireless link information transmission |
| CN106604335A (en) * | 2016-12-21 | 2017-04-26 | 西南交通大学 | Cell switching method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859791A (en) * | 2006-03-30 | 2006-11-08 | 华为技术有限公司 | Method and system for realizing switching in radio communication network and its base station |
| CN101048011B (en) * | 2006-06-20 | 2011-01-05 | 华为技术有限公司 | Method for switchover of packet switching service at downlink double/multi-load transmission |
-
2008
- 2008-09-04 CN CN 200810119641 patent/CN101668306B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826907A (en) * | 2009-03-02 | 2010-09-08 | 中兴通讯股份有限公司 | Multi-access mode notification method and transmitting device for wireless link information transmission |
| CN101826907B (en) * | 2009-03-02 | 2014-03-19 | 中兴通讯股份有限公司南京分公司 | Multi-access mode notification method and transmitting device for wireless link information transmission |
| CN106604335A (en) * | 2016-12-21 | 2017-04-26 | 西南交通大学 | Cell switching method |
| CN106604335B (en) * | 2016-12-21 | 2020-02-04 | 西南交通大学 | Cell switching method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101668306B (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102396280B (en) | A method for random accessing, evolution base station and terminal equipment | |
| US10136456B2 (en) | Method and apparatus for configuring radio resource | |
| CA2653421C (en) | Method and arrangement for handover in a radio access network | |
| CN109314897B (en) | System information sending and receiving method, device, equipment and system | |
| EP2403295B1 (en) | Inter-node b handover method | |
| CN106255223B (en) | Method and equipment for random access | |
| EP2273803B1 (en) | Method for processing connection in wireless communication system, wireless base station, and wireless terminal | |
| EP3051914B1 (en) | Method and system for conducting random access on small cell under dual connections | |
| EP3349508A1 (en) | Method and apparatus for setting up call in mobile communication system | |
| CN108811110B (en) | Random access method and device, readable storage medium and base station | |
| EP2802183A1 (en) | Partial offloading to pico BS | |
| CN109803312B (en) | Switching method, terminal and network side equipment | |
| EP3934346A1 (en) | User equipment operation during an inactive state | |
| KR20110103143A (en) | Method and apparatus of control signalling in coordinated multi-point systems | |
| EP3509365B1 (en) | Method and device for data transmission | |
| CN106941701B (en) | Cell switching method of terminal cell and related device | |
| KR20210022697A (en) | Transport Block Size for Contention-Free Random Access in Random Access Procedure | |
| RU2580836C2 (en) | Transmission configuration | |
| US20160192278A1 (en) | Fast multiple base stations search and access method and device in wireless communication system | |
| CN107809778A (en) | A kind of base station switch method and device | |
| CN101345987A (en) | Method and base station for implementing fast switch-over in communication network | |
| CN108271213B (en) | Communication control method, unauthorized transmission method and device | |
| CN109587744B (en) | Switching method, switching system and mobile management entity | |
| CN107113900B (en) | Connection support method for D2D communication and wireless device | |
| US10893469B2 (en) | Network access of a wireless device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20190904 |