CN108616907A - Method, equipment and the system of a kind of mobile management for LTE user - Google Patents
Method, equipment and the system of a kind of mobile management for LTE user Download PDFInfo
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- CN108616907A CN108616907A CN201611238200.6A CN201611238200A CN108616907A CN 108616907 A CN108616907 A CN 108616907A CN 201611238200 A CN201611238200 A CN 201611238200A CN 108616907 A CN108616907 A CN 108616907A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The object of the present invention is to provide a kind of method, equipment and the systems of the mobile management for LTE user.The present invention is updated by setting message to RRC connection reconfigurations, and it includes one or more measurement threshold values and measurement configuration information corresponding with the measurement threshold value to make it；Then, the RF performances or connectivity of the user equipment are monitored in the measurement threshold value and the measurement configuration information by user equipment end group, and when it meets measuring condition, are operated by user equipment triggering mobile management.Compared with prior art, the present invention can substantially save SRB and PRB resources, reduce mobile time delay, meanwhile, fast moving property of the invention, which can also be reduced, transmits and retransmits defeated PRB consumption to TRB；In addition, in CDR, handling capacity, portfolio time delay, PELR etc., the present invention influences the performance of the Cat M users under traditional LTE user and the prior art minimum.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of technologies of mobile management for LTE user.
Background technology
In the 3 gpp standards, LTE-M, i.e. LTE-Machine-to-Machine are the Internet of Things skills based on LTE evolution
Art；In 3GPP Release13 (i.e. R13), this technology is also referred to as LTE enhanced MTC (eMTC), it is intended to be based on
Existing LTE carrier waves meet internet of things equipment demand.It is referred to as UE- accordingly for the UE grade of transmission that can be supported
Category, and in R13, the grade of transmission that UE can be supported is referred to as Cat-M.
In the prior art, the transmission of eMTC is primarily present problems with：
First：Cat-M user should reduce that (Signaling Radio Bearers, signaling is wireless to SRB as far as possible
Carrying) use.On the one hand, channel repeats the UL/DL radio link performances for being always used to improve Cat-M user equipmenies, because
This, transmits a UL/DL, and Cat-M user always occupies legacy user RB (Radio Bearers, radio bearer) moneys
Many multiples (based on depending on practical number of iterations) in source.On the other hand, 3GPP defines be used for identical with legacy user
Cat-M user's call setup, the Signaling Layer surface current journey for carrying foundation, mobile management.It means that due to by TRB
The portfolio of (Traffic Radio Bearer, business radio bearer) is smaller (i.e. user face data amount is smaller) so that big portion
Signaling message of the RB resources divided for flows such as Cat-M call setups and mobile management.It is total that standard tradition moves flow
It is the signaling message that can introduce at least five or more, the signaling message includes measuring configuration (A2), and measurement report (A2) measures
It configures (A3/A5/A1), measurement report (A3/A5), HO orders/redirect message.Therefore, traditional mobility measurements consume
A large amount of RB resources, and increase the cutting off rate of Cat-M user, PELR (Packet Error Loss Rate, accidentally loses for grouping by packet
Packet rate), while also increasing the user plane time delay of Cat-M user.
Second：Operator is invariably prone to that Cat-M user is allowed to be used together common LTE network with legacy user；And it is
Can be minimum to the performance of legacy user and the influence of capacity, operator is intended to the limited narrowband of Cat-M user's distribution, example
As operator VzW only allows to distribute 1NB for Cat-M user.Although from the viewpoint of user plane, this is feasible, because of Cat-M industry
Business amount is small and to delay-insensitive；However from the point of view of mobile management, limited narrowband resource can lead to prolonging for HO/ redirections
It is difficult to receive late.
Third：When traditional LTE user is under poor RF (Radio Frequency, radio frequency) state, in current LTE
In commercial network, it can monitor at high proportion until reaching 100% UL/DL BLER (Block Error Rate, mistake block
Rate), that is to say, that the signaling message for moving flow is likely to not to be successfully decoded.For Cat-M user, by
Link performance in them is worse, therefore this situation can be more serious, cutting off rate, BLER, PRB (Physical Resource
Block, Physical Resource Block) performance issue of the wasting of resources etc. can all occur.
In conclusion although from the technical point of view, being as far as possible for the best solution of Cat-M mobile management
Ground distributes more RB resources, however under prior art conditions, and from the angle of the deployment of LTE network strategy of operator, this is not
It is possible.Therefore, Cat-M mobile management how is solved, those skilled in the art's technical problem urgently to be resolved hurrily is become.
Invention content
The object of the present invention is to provide a kind of method, equipment and the systems of the mobile management for LTE user.
According to an aspect of the invention, there is provided a kind of mobile management being used for LTE user at user equipment end
Method, wherein this approach includes the following steps：
A obtains the RRC connection reconfigurations transmitted by base station and sets message and set message progress RRC based on the RRC connection reconfigurations
Connection reconfiguration is set, wherein the RRC connection reconfigurations set message include it is one or more measure threshold values and with the measurement threshold
It is worth corresponding measurement configuration information；
B within a predetermined period of time, according to the measurement threshold value and the measurement configuration information, to the user equipment
The RSRP and/or RSRQ of current service cell and/or adjacent area are monitored；
C is when the RSRP and/or RSRQ meets measuring condition corresponding with the measurement threshold value, described in determination
The mobility management information that user equipment is triggered.
Optionally, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
Optionally, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
Optionally, the step c includes following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is that RRC rebuilds flow；
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered measures for A3.
In accordance with a further aspect of the present invention, a kind of side of the mobile management in base station end for LTE user is additionally provided
Method, wherein this approach includes the following steps：
A determines that RRC connection reconfigurations set message, wherein it includes one or more measure that the RRC connection reconfigurations, which set message,
Threshold value and measurement configuration information corresponding with the measurement threshold value；
The RRC connection reconfigurations are set message and are sent to user equipment corresponding with the base station by B；
Wherein, this method further includes：
The mobility management information that C is triggered according to the user equipment determines corresponding mobile management operation.
Optionally, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
Optionally, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
According to another aspect of the invention, a kind of user equipment of the mobile management for LTE user is additionally provided,
In, the user equipment includes：
Message acquisition device sets message and based on RRC connections weight for obtaining the RRC connection reconfigurations transmitted by base station
Configuration message carries out RRC connection reconfigurations and sets, wherein it includes one or more measurement threshold values that the RRC connection reconfigurations, which set message,
And measurement configuration information corresponding with the measurement threshold value；
Monitoring device is used within a predetermined period of time, according to the measurement threshold value and the measurement configuration information, to institute
The current service cell and/or adjacent area RSRP and/or RSRQ for stating user equipment are monitored；
Determining device, for meeting measurement item corresponding with the measurement threshold value as the RSRP and/or RSRQ
When part, the mobility management information that the user equipment is triggered is determined.
Optionally, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
Optionally, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
Optionally, the determining device is for following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is that RRC rebuilds flow；
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered measures for A3.
According to another aspect of the present invention, a kind of base station of the mobile management for LTE user is additionally provided, wherein
The base station includes：
Message determining device, for determining that RRC connection reconfigurations set message, wherein the RRC connection reconfigurations, which are set in message, wraps
Include one or more measurement threshold values and measurement configuration information corresponding with the measurement threshold value；
Message sending device is sent to user corresponding with the base station for the RRC connection reconfigurations to be set message
Equipment；
Wherein, which further includes：
Determining device is managed, the mobility management information for being triggered according to the user equipment determines corresponding move
Mobility management operates.
Optionally, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
Optionally, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
According to another aspect of the present invention, a kind of system of the mobile management for LTE user is additionally provided, including such as
User equipment described above and base station as described above.
Compared with prior art, the present invention is updated by linking reconfiguration request message to RRC, and it includes one to make it
Or multiple measurement threshold values and measurement configuration information corresponding with the measurement threshold value；Then, by user equipment end group in institute
It states measurement threshold value and the measurement configuration information is monitored the RF performances or connectivity of the user equipment, and when it is full
When sufficient measuring condition, operated by user equipment triggering mobile management.To, the present invention can substantially save SRB and
PRB resources reduce mobile time delay, meanwhile, fast moving property of the invention, which can also be reduced, to be transmitted and retransmits defeated to TRB
PRB is consumed；In addition, in CDR, handling capacity, portfolio time delay, PELR etc., the present invention is for traditional LTE user and existing skill
The performance of Cat-M user under art influences minimum.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the user equipment and base of a kind of mobile management for LTE user according to one aspect of the invention
It stands schematic diagram；
Fig. 2 shows according to a further aspect of the present invention a kind of with user equipment and base station, to realize LTE user's
The method flow diagram of mobile management；
Fig. 3 show in accordance with a preferred embodiment of the present invention a kind of with user equipment and base station, to carry out base station
The flow example figure that RRC is reconfigured.
Same or analogous reference numeral represents same or analogous component in attached drawing.
Specific implementation mode
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although operations are described as the processing of sequence by flow chart, therein to be permitted
Multioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When it
The processing can be terminated when operation completion, it is also possible to the additional step being not included in attached drawing.The processing
It can correspond to method, function, regulation, subroutine, subprogram etc..
Term " user equipment " used herein above can be considered as synonymous with the following terms and sometimes may be used below
To be referred to as the following terms：Client, mobile subscriber, mobile terminal, subscriber, user, distant station, access terminal, receiver, movement
Unit etc., and remote user, long-range UE or the distance terminal of radio resource in cordless communication network can be described etc..
Similarly, term " base station " used herein above can be considered as synonymous with the following terms and below sometimes
It can be referred to as the following terms：B node, evolved B node, eNodeB, base transceiver stations (BTS), radio network controller
(RNC) etc., and can describe to communicate with mobile terminal in the cordless communication network that can cross over multiple technology generations and
The transceiver of provided radio resource.Other than implementing the ability of method discussed herein, base station discussed herein
There can be institute associated with traditional well-known base station functional.
Specific structure and function details disclosed herein are only representative, and are for describing the present invention show
The purpose of example property embodiment.But the present invention can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
Those skilled in the art will be understood that present invention may apply under any LTE scenes, with to common LTE user
Carry out mobile management.Preferably, the present invention is more suitable for Cat-M user.
Although it should be understood that may have been used term " first ", " second " etc. herein to describe each unit,
But these units should not be limited by these terms.The use of these items is only for by a unit and another unit
It distinguishes.For example, without departing substantially from the range of exemplary embodiment, it is single that first unit can be referred to as second
Member, and similarly second unit can be referred to as first unit.Term "and/or" used herein above include one of them or
The arbitrary and all combination of more listed associated items.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " include " and or " include " used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or a combination thereof.
It should further be mentioned that in some replace implementations, the function action being previously mentioned can be according to different from attached
The sequence indicated in figure occurs.For example, involved function action is depended on, the two width figures shown in succession actually may be used
Substantially simultaneously to execute or can execute in a reverse order sometimes.
Unless otherwise defined, otherwise all terms (including technical and scientific term) used herein all have with it is exemplary
The identical meaning that technical staff in embodiment fields is generally understood.It is to be further understood that unless herein by
It explicitly defines, otherwise for example term should be construed as having to it in related neck those of defined in usually used dictionary
The consistent meaning of meaning in the context in domain, without should be explained according to Utopian or too formal meaning.
Present invention is further described in detail below in conjunction with the accompanying drawings.
Fig. 1 shows the user equipment 1 and base of a kind of mobile management for LTE user according to one aspect of the invention
Stand 2 schematic diagram；Wherein, the user equipment 1 includes message acquisition device 11, monitoring device 12 and determining device 13, institute
It includes message determining device 21, message sending device 22 and management determining device 23 to state base station 2.
The message determining device 21 determines that RRC connection reconfigurations set message, wherein the RRC connection reconfigurations are set in message
Threshold value and measurement configuration information corresponding with the measurement threshold value are measured including one or more.
Specifically, the message determining device 21 is set message to the RRC connection reconfigurations and is updated so that the RRC
Link reconfiguration message includes one or more measurement threshold values and measurement configuration information corresponding with the measurement threshold value.
The measurement threshold value is measured and is monitored subsequently for the user equipment 1, the measurement configuration information and the measurement
Threshold value matches.The RRC connection reconfigurations set message for call setup.
Here, those skilled in the art will be understood that the measurement threshold value can be voluntarily arranged according to historical data etc.,
Can based on to whole system monitoring and statistics, measure threshold value described in real-time update；And according to the information monitored, Yi Jijian
Performed operation etc. after control, can be with the particular number of setting measurement threshold value.
Preferably, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；It is i.e. new by one
IE (Information Element) measure threshold value to carry the first A2, the first A2 measures threshold value can be according to pre-
If or system self study is obtained.
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit；I.e. by original
A2 information units measure threshold value to carry the 2nd A2, the 2nd A2 measure threshold value can according to default or system self study come
It is obtained.
Preferably, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
Here, can be according to the corresponding specification in the measurement threshold value and LTE, between determining that A3 measuring configurations and A3 measure
Gap configures.
The RRC connection reconfigurations are set message and are sent to user corresponding with the base station by the message sending device 22
Equipment.
Specifically, after the message determining device 21 determines that the RRC connection reconfigurations set message, the message is sent
Device 22 sets message by scheduled communication protocol, by the RRC connection reconfigurations and is sent to user corresponding with the base station 2
Equipment 1.To which the base station 2 attempts to dispatch the user equipment 1 in TTI, this TTI does not conflict with MG TTI.
Correspondingly, the message acquisition device 11 obtains the RRC connection reconfigurations transmitted by base station and sets message and based on described
RRC connection reconfigurations are set message progress RRC connection reconfigurations and are set, wherein it includes one or more that the RRC connection reconfigurations, which set message,
Measure threshold value and measurement configuration information corresponding with the measurement threshold value.
Specifically, the message acquisition device 11 obtains the RRC connection reconfigurations by interacting with the base station 2
After setting message, store the RRC connection reconfigurations set one or more of message measure threshold value and with the measurement threshold value phase
Corresponding measurement configuration information；Then, it is attached reconfiguration operation between the base station 2, and completion is set in RRC connection reconfigurations
Afterwards, it is set to the transmission RRC connection reconfigurations of the base station 2 and completes message.
The monitoring device 12 is within a predetermined period of time, right according to the measurement threshold value and the measurement configuration information
The current service cell of the user equipment and/or the RSRP of adjacent area and/or RSRQ are monitored.
Specifically, the monitoring device 12 starts to the monitoring for measuring threshold value, that is, initiates to the user equipment
(Reference Signal Receiving Power, reference signal receive work(to the RSRP of current service cell and/or adjacent area
Rate) and/or RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality) measurement, and will
The measurement result is compared with the measurement threshold value, to execute the policer operation.
When the RSRP and/or RSRQ meets measuring condition corresponding with the measurement threshold value, the determination
Device 13 determines the mobility management information that the user equipment is triggered.
Specifically, the monitoring device 12 within the given time, by the RSRP and/or RSRQ and the measurement
Threshold value is compared, if the comparison result meets measuring condition, according to the difference of the measuring condition met, to determine
State the mobility management information that user equipment is triggered.
Here, the measuring condition, which includes but not limited to the RSRP and/or RSRQ, is less than or equal to described first
A2 measures threshold value or states the RSRP and/or RSRQ measures threshold value less than or equal to the 2nd A2.The mobile management letter
Breath is directly triggered by the user equipment, rather than is triggered by base station.
Preferably, the determining device is for following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is that RRC rebuilds flow, wherein the RRC rebuild flow be the user equipment to
The base station sends RRC reconstruction requests, and common RRC is then executed between the user equipment and the base station and rebuilds flow.
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is A3 measurements or serving cell handover operation, wherein the A3, which is measured, is also referred to as A3
Nearby region measurement, i.e., the described user equipment sends measurement report to the base station, then by the common switching flow of the base station triggers.
Correspondingly, the mobility triggered according to the user equipment in the base station end, the management determining device 23
Management information determines corresponding mobile management operation.
Specifically, if the mobility management information, which is RRC, rebuilds flow, the base station obtains the user equipment institute
The RRC reconstruction requests of transmission, and execute common RRC between the user equipment and rebuild flow；If the mobility management information
It is measured for A3, then the base station obtains the measurement report transmitted by the user equipment, and is based on the measurement report, described
Common switching flow is executed between base station, neighbor base station and user equipment.
Fig. 2 shows one kind according to a further aspect of the present invention with user equipment 1 and base station, to realize LTE user
Mobile management method flow diagram.
In the step s 21, the base station 2 determines that RRC connection reconfigurations set message, wherein the RRC connection reconfigurations set message
Include one or more measurement threshold values and measurement configuration information corresponding with the measurement threshold value.
Specifically, in the step s 21, the base station 2 is set message to the RRC connection reconfigurations and is updated so that described
RRC links reconfiguration message includes one or more measurement threshold values and measuring configuration corresponding with measurement threshold value letter
Breath.The measurement threshold value is measured and is monitored subsequently for the user equipment 1, the measurement configuration information and the survey
Amount threshold value matches.The RRC connection reconfigurations set message for call setup.
Here, those skilled in the art will be understood that the measurement threshold value can be voluntarily arranged according to historical data etc.,
Can based on to whole system monitoring and statistics, measure threshold value described in real-time update；And according to the information monitored, Yi Jijian
Performed operation etc. after control, can be with the particular number of setting measurement threshold value.
Preferably, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；It is i.e. new by one
IE (Information Element) measure threshold value to carry the first A2, the first A2 measures threshold value can be according to pre-
If or system self study is obtained.
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit；I.e. by original
A2 information units measure threshold value to carry the 2nd A2, the 2nd A2 measure threshold value can according to default or system self study come
It is obtained.
Preferably, the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
Here, can be according to the corresponding specification in the measurement threshold value and LTE, between determining that A3 measuring configurations and A3 measure
Gap configures.
In step S22, the base station 2 by the RRC connection reconfigurations set message be sent to it is corresponding with the base station
User equipment.
Specifically, after the base station 2 determines that the RRC connection reconfigurations set message, in step S22, the base station 2
By scheduled communication protocol, the RRC connection reconfigurations are set into message and are sent to user equipment corresponding with the base station 21.
To which the base station 2 attempts to dispatch the user equipment 1 in TTI, this TTI does not conflict with MG TTI.
Correspondingly, in step S22, the RRC connection reconfigurations that the user equipment 1 obtains transmitted by base station 2 set message, and
In step S23, the user equipment 1 is set message progress RRC connection reconfigurations based on the RRC connection reconfigurations and is set, wherein described
It includes one or more measurement threshold values and measuring configuration corresponding with measurement threshold value letter that RRC connection reconfigurations, which set message,
Breath.
Specifically, the user equipment 1 obtains the RRC connection reconfigurations and sets message by interacting with the base station 2
Afterwards, it the RRC connection reconfigurations is stored sets one or more of message and measure threshold value and corresponding with the measurement threshold value
Measurement configuration information；Then, reconfiguration operation is attached between the base station 2, and after the completion of RRC connection reconfigurations are set, to
The transmission RRC connection reconfigurations of the base station 2, which are set, completes message.
In step s 24, the user equipment 1 within a predetermined period of time, according to the measurement threshold value and the measurement
Configuration information, the RSRP and/or RSRQ of current service cell and/or adjacent area to the user equipment are monitored.
Specifically, in step s 24, the user equipment 1 starts to the monitoring for measuring threshold value, that is, initiates to described
The current service cell of user equipment and/or RSRP (the Reference Signal Receiving Power, with reference to letter of adjacent area
Number receive power) and/or RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality) survey
Amount, and the measurement result is compared with the measurement threshold value, to execute the policer operation.
When the RSRP and/or RSRQ meets measuring condition corresponding with the measurement threshold value, in step S25
In, the user equipment 1 determines the mobility management information that the user equipment is triggered.
Specifically, in step s 25, the user equipment 1 within the given time, by the RSRP and/or described
RSRQ is compared with the measurement threshold value, if the comparison result meets measuring condition, according to the measuring condition met
Difference, to determine mobility management information that the user equipment is triggered.
Here, the measuring condition, which includes but not limited to the RSRP and/or RSRQ, is less than or equal to described first
A2 measures threshold value or states the RSRP and/or RSRQ measures threshold value less than or equal to the 2nd A2.The mobile management letter
Breath is directly triggered by the user equipment, rather than is triggered by base station.
Preferably, the step S25 includes following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is that RRC rebuilds flow, wherein the RRC rebuild flow be the user equipment to
The base station sends RRC reconstruction requests, and common RRC is then executed between the user equipment and the base station and rebuilds flow.
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is A3 measurements or serving cell handover operation, wherein the A3, which is measured, is also referred to as A3
Nearby region measurement, i.e., the described user equipment sends measurement report to the base station, then by the common switching flow of the base station triggers.
Correspondingly, in the base station end, in step S26, the user equipment 1 is triggered according to the user equipment
Mobility management information determines corresponding mobile management operation.
Specifically, if the mobility management information, which is RRC, rebuilds flow, the base station obtains the user equipment institute
The RRC reconstruction requests of transmission, and execute common RRC between the user equipment and rebuild flow；If the mobility management information
It is measured for A3, then the base station obtains the measurement report transmitted by the user equipment, and is based on the measurement report, described
Common switching flow is executed between base station, neighbor base station and user equipment.
Fig. 3 show in accordance with a preferred embodiment of the present invention a kind of with user equipment and base station, to carry out base station
The flow example figure that RRC is reconfigured.
As shown, UE is user equipment, eNB1 is first base station, and eNB2 is the second base station, MME
(Mobility Management Entity) is mobile management entity, and SGW (Serving GateWay) is gateway.
As can be seen from FIG. 3, to trigger the operation reconfigured by eNB from the prior art different, if the RF environment of LTE user
Or connectivity is when becoming poor, the present invention can be triggered that RRC is rebuild or HO is measured by user equipment.Those skilled in the art should be able to manage
Solution, the present invention can be used for LTE user, it is highly preferred that the present invention can be used for Cat-M user, to realize optimum efficiency.
In step S31, eNB1 sends RRC connection request to UE；
In step s 32, UE sends RRC connections to eNB1 and establishes；
In step S33, UE sends RRC connections to eNB1 and establishes completion；
The step S31 to step S33 is common RRC connection building process, identical as conventional method.
In step S34, eNB1 sends S1AP to MME/SGW and initializes UE message；
In step s 35, MME/SGW sends S1AP initialization contexts to eNB1 and establishes completion；
The step S34 to step S35 is common S1AP initialization context transfer flow, identical as conventional method.
In step S36, eNB1 updates are with measurement threshold value and measuring configuration corresponding with measurement threshold value letter
The RRC connection reconfigurations of breath set message, and the measurement threshold value includes that the first A2 measures threshold value and the 2nd A2 measurement threshold values, the survey
Amount configuration information includes A3 measuring configurations (A3measurement configuration) and the configuration of A3 measurement gaps
(A3measurement gap configuration)。
Wherein, the first A2 measures threshold value and is carried by new information element；2nd A2 measures threshold value by prime information list
Member carrying.
In step S37, eNB1 sends updated RRC connection reconfigurations to UE and sets message；
In step S38, UE sets message according to the RRC connection reconfigurations and is reconfigured, i.e. UE only starts to the first A2
It measures threshold value and the 2nd A2 measures the measurement (i.e. current service cell measures) of threshold value, and in its local context, storage
A3 measuring configurations and the configuration of A3 measurement gaps；After the completion of reconfiguring, UE sends RRC connection reconfigurations to eNB1 and sets completion.
In step S39, within a predetermined period of time, the UE believes according to the measurement threshold value and the measuring configuration
Breath, the RSRP and/or RSRQ of current service cell and/or adjacent area to the UE are monitored；
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, determine that the user sets
The standby mobility management information triggered is that RRC rebuilds flow (jumping to S310a)；If the RSRP and/or the RSRQ are small
When the 2nd A2 measures threshold value, determine that the mobility management information that the user equipment is triggered measures for A3
(jumping to S310b).
In step S310a, due in scheduled time slot, the current service cell of the UE and/or the RSRP of adjacent area and/
Or RSRQ is less than or equal to the first A2 and measures threshold value, accordingly, it is considered to be stored to fast moving property and resource, UE voluntarily triggers RRC
Flow is rebuild, rather than is triggered by eNB.That is UE to eNB1 send RRC rebuild report, and based on the RRC rebuild report, UE with
Common RRC is executed between eNB1 rebuilds flow.
In step S310b, due in scheduled time slot, the current service cell of the UE and/or the RSRP of adjacent area
And/or RSRQ is less than or equal to the 2nd A2 and measures threshold value, therefore, UE voluntarily triggers A3 nearby region measurements, rather than is triggered by eNB.
That is UE sends measurement report to eNB1, if finding Target cell, eNB triggers common switching flow (based on the common of HO flows
X2/S1), serving cell is switched into eNB2 from eNB1.
Therefore, in conclusion by taking Cat-M user as an example, the invention has the advantages that：
1. substantially saving SRB and PRB resources
As shown in the step S37 and S38 in Fig. 3, in the present invention, at least two RB information has been saved：I.e. from UE to eNB
The first A2 measure the measurement report that the A2 of threshold value/the 2nd measures threshold value, the A3 measuring configurations from eNB to UE.
As shown in step S310b, in the present invention, at least two RB information has been saved：The first A2 i.e. from UE to eNB is surveyed
Measure threshold value, the RRC Connection Releases for blind redirection from eNB to UE.
Include 6 PRB and 32 4 punching transmission retried, then assuming that for every uplink/downlink mandate
For 2 SRB message, 768 PRB resources have at least been saved.
2. movement delay is reduced
If in addition, timing may be very low caused by limited Cat-M narrowband resources and very high cell load,
Simplified mobility flow can reduce time delay during UE leaves from resource and is linked into Target cell.This time delay base
It is improved in the second level, the mobility time delay of reduction can reduce BLER and cutting off rate.
3.TRB and PRB are resource-effective
When the RF environment of Cat-M user is bad, the UL/DL of SRB/TRB transmission is authorized and is not always received by UE,
Or many times retransmit it is defeated after be just received.Fast moving property, which will be reduced, transmits and retransmits defeated PRB consumption to TRB.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation includes within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second equal words are used for table
Show title, and does not represent any particular order.
Claims (15)
1. a kind of method of mobile management at user equipment end for LTE user, wherein this approach includes the following steps：
A obtains the RRC connection reconfigurations transmitted by base station and sets message and set message progress RRC connections based on the RRC connection reconfigurations
Reconfigure, wherein the RRC connection reconfigurations set message include it is one or more measure threshold values and with the measurement threshold value phase
Corresponding measurement configuration information；
B within a predetermined period of time, according to the measurement threshold value and the measurement configuration information, to the current of the user equipment
Serving cell and/or the RSRP and/or RSRQ of adjacent area are monitored；
C determines the user when the RSRP and/or RSRQ meets measuring condition corresponding with the measurement threshold value
The mobility management information that equipment is triggered.
2. according to the method described in claim 1, wherein, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
3. method according to claim 1 or 2, wherein the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
4. according to the method in claim 2 or 3, wherein the step c includes following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, the user equipment institute is determined
The mobility management information of triggering is that RRC rebuilds flow；
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, the user equipment institute is determined
The mobility management information of triggering measures for A3.
5. a kind of method of mobile management in base station end for LTE user, wherein this approach includes the following steps：
A determines that RRC connection reconfigurations set message, wherein it includes one or more measurement threshold values that the RRC connection reconfigurations, which set message,
And measurement configuration information corresponding with the measurement threshold value；
The RRC connection reconfigurations are set message and are sent to user equipment corresponding with the base station by B；
Wherein, this method further includes：
The mobility management information that C is triggered according to the user equipment determines corresponding mobile management operation.
6. according to the method described in claim 5, wherein, the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
7. method according to claim 5 or 6, wherein the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
8. a kind of user equipment of mobile management for LTE user, wherein the user equipment includes：
Message acquisition device is set message and is set based on the RRC connection reconfigurations for obtaining the RRC connection reconfigurations transmitted by base station
Message carries out RRC connection reconfigurations and sets, wherein the RRC connection reconfigurations set message include one or more measurement threshold values and
Measurement configuration information corresponding with the measurement threshold value；
Monitoring device is used within a predetermined period of time, according to the measurement threshold value and the measurement configuration information, to the use
The current service cell of family equipment and/or the RSRP of adjacent area and/or RSRQ are monitored；
Determining device is used for when the RSRP and/or RSRQ meets measuring condition corresponding with the measurement threshold value,
Determine the mobility management information that the user equipment is triggered.
9. user equipment according to claim 8, wherein the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
10. user equipment according to claim 8 or claim 9, wherein the measurement configuration information includes following at least any
：
- A3 measuring configurations；
- A3 measurement gaps configure.
11. user equipment according to claim 9 or 10, wherein the determining device is for following at least any one：
If the RSRP and/or RSRQ is less than or equal to the first A2 measurement threshold values, the user equipment institute is determined
The mobility management information of triggering is that RRC rebuilds flow；
If the RSRP and/or RSRQ is less than or equal to the 2nd A2 measurement threshold values, the user equipment institute is determined
The mobility management information of triggering measures for A3.
12. a kind of base station of mobile management for LTE user, wherein the base station includes：
Message determining device, for determining that RRC connection reconfigurations set message, wherein it includes one that the RRC connection reconfigurations, which set message,
A or multiple measurement threshold values and measurement configuration information corresponding with the measurement threshold value；
Message sending device is sent to user equipment corresponding with the base station for the RRC connection reconfigurations to be set message；
Wherein, which further includes：
Determining device is managed, the mobility management information for being triggered according to the user equipment determines corresponding mobility
Management operation.
13. base station according to claim 12, wherein the measurement threshold value includes following at least any one：
- the one A2 measures threshold value, wherein the first A2 measures threshold value and carried by new information element；
- the two A2 measures threshold value, wherein the 2nd A2 measures threshold value and carried by prime information unit.
14. base station according to claim 12 or 13, wherein the measurement configuration information includes following at least any one：
- A3 measuring configurations；
- A3 measurement gaps configure.
15. a kind of system of mobile management for LTE user includes the use as described in any one of claim 8 to 11
Family equipment, and the base station as described in any one of claim 12 to 14.
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