CN105722213A - Method and device for obtaining connection state of terminal in multi-connection scene - Google Patents
Method and device for obtaining connection state of terminal in multi-connection scene Download PDFInfo
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- CN105722213A CN105722213A CN201410734017.XA CN201410734017A CN105722213A CN 105722213 A CN105722213 A CN 105722213A CN 201410734017 A CN201410734017 A CN 201410734017A CN 105722213 A CN105722213 A CN 105722213A
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Abstract
The embodiment of the invention provides a method and device for obtaining the connection state of a terminal in a multi-connection scene, and the method comprises the steps that a network side transmits a request message to the terminal, and the terminal is connected with a plurality of base stations, wherein the request message is used for requesting a random access state of a preset base station, and the preset base station is a base station which is appointed by the network side and the terminal or is a base station specified in the request message; the network side receives a response message returned by the terminal for the request message, wherein the response message comprises a random access report among the preset base stations. The method can enable the network side to obtain the specific connection state information of the terminal.
Description
Technical field
The present invention relates to mobile communication technology field, the acquisition methods of the terminal connection status being specifically related under a kind of multi-link scene and device.
Background technology
Focus covering is the emphasis that Long Term Evolution (LTE) system considers.It is estimated, owing to the business of major part (such as 90%) occurs at indoor and hot zones, cover hence for solving focus, provide the smallcell that two-forty accesses to be suggested, and set up the project in third generation partner program (3GPP) wireless access network (RAN) plenary session, this is paid special attention to and plays an active part in by most operators and manufacturer.SmallCell refers to the WAP of various low-power, little covering, flexible deployment.The major significance that Smallcell strengthens is in that its scale is disposed.Owing to the smallcell number under a macro base station is likely to very big (tens), therefore how effectively to process the data distribution between macro base station and smallcell, interference problem, mobility problem, power problems, Cost Problems will be the emphasis of research.The focuses such as Smallcell and current femto base station (Pico) cover and are different in that it is possible with brand-new technology, including the redesign of the carrier aggregation of (inter-eNB), downlink synchronous signal between base station, part smallcell Base Station Control Function is transferred to macro base station, etc..
Under there is multiple base station case being available for and accessing, terminal is likely to set up to have with multiple base stations be connected.Most commonly seen is that base station is connected (i.e. dual link) with two base stations foundation simultaneously, and one of them base station is dominant base, and another base station is then prothetic group station.For dual link, terminal can have multiple MAC Address, and different connections are based on different MAC Address.
Current agreement simply defines when network request terminal to report Stochastic accessing reports (RACH-report), and terminal reports Stochastic accessing to report according to up-to-date Stochastic accessing, does not illustrate and how to report.Owing to terminal is likely to set up to have with multiple base stations be connected, therefore network side does not know the base station of the Stochastic accessing report correspondence of terminal to report.It addition, for carrier aggregation (CA), initiate Stochastic accessing over a number of carriers owing to terminal is equally possible, therefore based on the Stochastic accessing report reported at present, it is difficult to differentiation is Stochastic accessing is initiate on which carrier wave.Therefore, a kind of method is needed badly, it is possible to distinguish the concrete base station that the Stochastic accessing report reported is corresponding, so that network side obtains the connection state information that terminal is concrete, and then be conducive to network positions problem.
Summary of the invention
The embodiment of the present invention to solve the technical problem that acquisition methods and the device of the terminal connection status being to provide under a kind of multi-link scene, makes network side obtain the connection state information that terminal is concrete.
For solving above-mentioned technical problem, the acquisition methods of the terminal connection status under a kind of multi-link scene that the embodiment of the present invention provides, including:
The lateral terminal of network sends request message, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
Network side receives the response message that terminal returns for described request message, carries the Stochastic accessing report between described default base station in described response message.
The embodiment of the present invention additionally provides the acquisition methods of the terminal connection status under another kind of multi-link scene, including:
Terminal receives the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
Terminal, according to described request message, returns a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
Wherein, in above-mentioned acquisition methods, also include:
After described terminal, between this terminal and prothetic group station, Radio Link Failure occurs, sending radio link problem report to network side, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
Wherein, in above-mentioned acquisition methods, before sending the report of described radio link problem, described method also includes:
Described terminal to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report；
Receive described network side according to described notice send for asking what described radio link problem reported to report request.
Wherein, above-mentioned acquisition methods also includes:
Described terminal receive that network side sends for asking described terminal previous access network time dominant base radio link failure report；
The radio link failure report of dominant base when described terminal is to network side transmission described previous access network.
In the said method that above example provides, when being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
In the said method that above example provides, described terminal is set up to have with respective base station over a number of carriers further and is connected；
Described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；
Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
In the said method that above example provides, when described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
In the said method that above example provides, the Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed reports, wherein, M and N is the integer be more than or equal to 1.
The embodiment of the present invention additionally provides the acquisition device of the terminal connection status under a kind of multi-link scene, including:
First transmitting element, for sending request message to terminal, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
First receives unit, for receiving the response message that terminal returns for described request message, carries the Stochastic accessing report between described default base station in described response message.
The said apparatus of the embodiment of the present invention also includes:
Second receives unit, for receiving the radio link problem report sent after Radio Link Failure occurs terminal between this terminal and prothetic group station, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information；
The said apparatus of the embodiment of the present invention also includes:
3rd receives unit, for before receiving the report of described radio link problem, receive radio link problem information that terminal sends can notice, described notice is used for indicating terminal to record radio link problem report；
Second transmitting element, for according to described notice, sends for asking what described radio link problem reported to report request to this terminal.
The said apparatus of the embodiment of the present invention also includes:
3rd transmitting element, the radio link failure report of dominant base during for sending for asking the previous access network of this terminal to terminal；
4th receives unit, is used for the radio link failure report of dominant base during the described previous access network receiving the transmission of described terminal.
The embodiment of the present invention additionally provides the acquisition methods of the terminal connection status under another kind of multi-link scene, is applied to a terminal, including:
5th receives unit, for receiving the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
5th transmitting element, for according to described request message, returning a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
The said apparatus of the embodiment of the present invention also includes:
6th transmitting element, after there is Radio Link Failure between described terminal and prothetic group station, sending radio link problem report to network side, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
The said apparatus of the embodiment of the present invention also includes:
7th transmitting element, before sending the report of described radio link problem at described 6th transmitting element, to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report；
6th receives unit, for receive described network side according to described notice send for asking what described radio link problem reported to report request.
The said apparatus of the embodiment of the present invention also includes:
7th receives unit, for receive that network side sends for asking described terminal previous access network time dominant base radio link failure report；
8th transmitting element, the radio link failure report of dominant base during for sending described previous access network to network side.
In the acquisition device that above example provides, when being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
In the acquisition device that above example provides, described terminal is set up to have with respective base station over a number of carriers further and is connected；
Described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；
Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
In the acquisition device that above example provides, when described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
In the acquisition device that above example provides, the Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed reports, wherein, M and N is the integer be more than or equal to 1.
Compared with prior art, the network side that the embodiment of the present invention provides obtains the connection state information that terminal is concrete, and it has the beneficial effect that:
In inventive embodiments, network side and terminal appoint default base station in advance, or are directly indicated described default base station by network side in request message, thus the Stochastic accessing report of this default base station of terminal to report.So, network side is after receiving described response message, it may be determined that what wherein carry is the Stochastic accessing report of which base station, and then can go location relevant issues according to the report of this Stochastic accessing.Further, the embodiment of the present invention can also realize reporting of the radio link problem of main and auxiliary base station.
Accompanying drawing explanation
The schematic flow sheet of the acquisition methods of the terminal connection status that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the acquisition device of the terminal connection status that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet of the acquisition methods of the terminal connection status that Fig. 3 provides for another embodiment of the present invention；
The structural representation of the acquisition device of the terminal connection status that Fig. 4 provides for another embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
For dual link, diversity due to dominant base (MeNB) Yu prothetic group station (SeNB), if network side can report that according to Stochastic accessing (RACH-report) distinguishes main and auxiliary base station, then contribute to network positions Stochastic accessing (RACH) problem.For CA, similarly, if which carrier wave network can distinguish RACH on, it helps network positions problem.
Refer to Fig. 1, the acquisition methods of the terminal connection status under a kind of multi-link scene that the embodiment of the present invention provides, it is applied between network side and terminal, this terminal is set up to have with multiple base stations and is connected, and the method comprises the following steps:
Step 11, the lateral terminal of network sends request message, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message.
Here, above-mentioned request message specifically can be passed through wireless heterogeneous networks (RRC) signaling message (such as UE information request signaling) and be sent to terminal, and in this signaling, requesting terminal reports the report of Stochastic accessing.
Step 12, network side receives the response message that terminal returns for described request message, carries the Stochastic accessing report of described default base station in described response message.
From above step it can be seen that the embodiment of the present invention network and terminal appoint default base station in advance, or in request message, directly indicated described default base station by network side, thus the Stochastic accessing report of this default base station of terminal to report.So, network side is after receiving described response message, it may be determined that what wherein carry is the Stochastic accessing report of which base station, and then can go location relevant issues according to the report of this Stochastic accessing.
As a kind of embodiment, above-mentioned default base station can be the base station that network side is specified by described request message, concrete, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal.Network side carries the instruction information for indicating this default base station in request message, so, after terminal receives described request message, resolve and obtain instruction information, determine described default base station, and then in described response message, feed back the Stochastic accessing report of described default base station.
Under carrier aggregation scene, terminal is likely to above set up with respective base station at multiple carrier waves (such as main carrier, subcarrier) be connected.The carrier information corresponding for obtaining Stochastic accessing, in the embodiment of the present invention, described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, carrier wave that is similar, that specify in described default carrier wave can be network side and terminal is made an appointment carrier wave or described request message.So, terminal carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further at described response message, thus network side is obtained with terminal Stochastic accessing report on the concrete carrier wave of concrete base station, it is more beneficial for orientation problem.
Such as, when described default carrier wave is the carrier wave specified by described request message, described default base station can be dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.Can indicate in this request message and report which frequency, which community or on the carrier wave of which standard Stochastic accessing to report.Here, after terminal receives the request message of network, send RRC signaling message (such as UE information-reply) to network side according to concrete instruction content, carry the Stochastic accessing report of correspondence within the message.
Specifically, except existing random access lead code (preamble) transmission times in the Stochastic accessing report reported, whether detect outside the parameters such as competition (contention), it is also possible to report the mark (such as PCI, cellidentity) of respective cell, positional information, whether reach maximum transmission power, crossed the parameters such as time from random access failure.Wherein, if the time the two parameter reaching maximum transmission power and distance random access failure can be reporting only for random access failure.In the embodiment of the present invention, network side can distinguish major-minor base station, major-minor community according to the cell ID reported in response message.In addition, can also IE that respectively major-minor base station, major-minor cell definitions are different, terminal carries the IE that default base station is corresponding with default carrier wave in the response message, and network side is according to the IE carried in response message, it is determined that this Stochastic accessing report for base station/carrier wave.Concrete, base station is preset in network side instruction in request message and default carrier wave, network side and end side can realize according to following several ways, is illustrated below:
Situation a: the Stochastic accessing situation at dominant base or prothetic group station is only reported for network side instruction terminal in request message, the Stochastic accessing report (such as the lead code number of times sent, whether the information such as competition being detected) of terminal to report dominant base or prothetic group station successful Stochastic accessing (not differentiating between main and auxiliary carrier wave) for the last time.Network side can also indicate in request message and only report main plot or secondary cell or both Stochastic accessing situations, the so upper main carrier of terminal to report dominant base (or prothetic group station) or subcarrier, or the Stochastic accessing report of the last successfully Stochastic accessing on the two.It is of course also possible to be the Stochastic accessing report that repeatedly achievement accesses recently.
Situation b: if network side indicates, in request message, the Stochastic accessing situation reporting dominant base and prothetic group station simultaneously, terminal reports the Stochastic accessing report of the last successfully Stochastic accessing (not differentiating between main and auxiliary carrier wave) on dominant base and prothetic group station simultaneously.If network indicates main plot or secondary cell further in request message, or both Stochastic accessing situations, then terminal reports the Stochastic accessing report of main carrier or subcarrier or the last successfully Stochastic accessing on the two on dominant base and prothetic group station simultaneously.
Situation c: if network side instruction in request message reports the Stochastic accessing situation of failure, terminal to report is the last or repeatedly random access failure is corresponding information (the lead code number of times that includes sending, competition, community ID, positional information whether detected, whether reach maximum transmission power, from random access failure time, Serving cell/measurement information in neighbor cell etc.).Random access failure can only for the random access failure on subcarrier or prothetic group station.In order to report, terminal needs to carry out relative recording when there is random access failure.After having reported, terminal deletion Stochastic accessing report record.It addition, except network is explicitly indicated the Stochastic accessing situation reporting failure, terminal can give tacit consent to the random access information all reporting failure when network request Stochastic accessing is reported.
As another embodiment, (i.e. the default base station) that above-mentioned default base station can be network side and end side is appointed in advance, thus need not indicate concrete base station in request message.After terminal receives above-mentioned request message, namely send the Stochastic accessing report of this default base station.Further, (namely the giving tacit consent to carrier wave) that described default carrier wave can also be network side and end side is appointed in advance, thus need not indicate concrete carrier wave in request message.After terminal receives above-mentioned request message, namely send the Stochastic accessing report on the acquiescence carrier wave of this default base station.
For example, default base station and acquiescence carrier wave can have following several situation, and optional one is implemented, it is only necessary to network side and terminal are reached an agreement with regard to default base station in advance:
Situation i: terminal only reports the last successfully Stochastic accessing (not differentiating between main and auxiliary carrier wave) on dominant base.Specifically, according to the time of Stochastic accessing on main carrier and auxiliary carrier wave, terminal judges that the Stochastic accessing on which carrier wave is nearest, then report the Stochastic accessing situation on this carrier wave.Which if main carrier and the Stochastic accessing on subcarrier are simultaneously, then determined to select the Stochastic accessing on carrier wave to go to report by terminal.
Situation ii: terminal only reports on dominant base the last successfully Stochastic accessing on main carrier.
Situation iii: terminal reports the last successfully Stochastic accessing on dominant base main carrier and subcarrier simultaneously.
Situation iv: terminal only reports the last successfully Stochastic accessing (not differentiating between main and auxiliary carrier wave) on dominant base and prothetic group station.Specifically, to the main and auxiliary carrier wave on a base station, according to the time of Stochastic accessing on main carrier and auxiliary carrier wave, terminal judges that the Stochastic accessing on which carrier wave is nearest, then report the Stochastic accessing situation on this carrier wave.If main carrier and the Stochastic accessing on subcarrier are simultaneously, terminal determines to select the Stochastic accessing on which carrier wave to go to report.
Situation v: terminal only reports the last successfully Stochastic accessing on each autonomous carrier wave of dominant base and prothetic group station.
Situation vi: terminal reports on dominant base main carrier and subcarrier the last successfully Stochastic accessing simultaneously, and last successfully Stochastic accessing on prothetic group station owner's carrier wave and subcarrier.
Situation vii: terminal selects nearest Stochastic accessing report to report in dominant base and prothetic group station.Specifically, according to the time of Stochastic accessing on dominant base and prothetic group station, terminal judges that the Stochastic accessing on which base station is nearest, then report the Stochastic accessing situation on this base station.If the Stochastic accessing on two base stations is simultaneously, terminal oneself determines to select the Stochastic accessing on which base station to go to report；Here, need during terminal to report to indicate the base station that the random report currently reported is corresponding.
Stochastic accessing report reporting based on agreement in advance exemplified above.The embodiment of the present invention is when reporting Stochastic accessing report (can be based on reporting of prior agreement, it is also possible to be indicate concrete default base station and carrier wave in asking message), it is possible to report the Stochastic accessing report being successfully accessed nearest M time；It can also be the Stochastic accessing report reporting Stochastic accessing that nearest n times are failed；Can also is that and aforementioned either way report, namely report the Stochastic accessing of nearest M successful Stochastic accessing to report, and the Stochastic accessing report of the failed Stochastic accessing of nearest n times, here, M and N is the integer be more than or equal to 1.
Except Stochastic accessing is reported, network side it may also be desirable to the radio link problem understanding dominant base/prothetic group station with terminal room, such as the information of Radio Link Failure (RLF).The radio link problem that maximum retransmission, T310 time-out etc. cause is reached for random access failure, RLC, it is likely to occur on the multiple base stations serving terminal (such as dominant base, prothetic group station), processes the RLF problem on multiple base station at present also without corresponding mechanism.
Wherein, it is directed to the radio link problem at prothetic group station, the acquisition methods of the terminal connection status under the multi-link scene that the embodiment of the present invention provides, further comprising the steps of:
Step A, receives the radio link problem report sent after Radio Link Failure occurs terminal between this terminal and prothetic group station, and the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
So, on prothetic group station occur radio link problem (such as RLF) time, terminal either directly through dedicated signaling (such as RRC signaling or MAC signaling) by radio link problem report notification network.Concrete signaling can transmit message based on existing uplink information.Radio link problem report can include herein below: the type (as random access failure, RLC reach maximum retransmission, T310 time-out etc.) of radio link problem, community ID, carrier frequency, terminal positional information, Serving cell/measurement information in neighbor cell etc..Wherein, random access failure be can further include the lead code number of times of transmission, competition whether detected, whether reach maximum transmission power, spent the time etc. from random access failure.If on prothetic group station all there is radio link problem in multiple Serving cells, then the problem that can report the plurality of community.
In the embodiment of the present invention, the another kind of processing mode of the radio link problem for occurring on prothetic group station is, terminal first actively records the relevant information of radio link problem report, and tells that network has radio link problem report available by dedicated signaling.After network receives, it is possible to by dedicated signaling to this problem of terminal request report, then terminal again by this problem report reporting to network.If on prothetic group station all there is radio link problem in multiple Serving cells, it is possible to report multiple community.If network does not ask this problem to be reported, then terminal is when deleting respective cell, prothetic group station or Connection Release, removes the radio link problem of record.Here, terminal the requirement of side Network Based can record and report radio link problem to report.Concrete, network side can first pass through dedicated signaling configurating terminal and report this problem the need of when there is radio link problem: if being configured to needs, then the radio link problem of terminal record generation also reports, to carry out reporting of radio link problem.
It is directed to the radio link problem of dominant base, terminal first records the radio link problem report of dominant base, wherein, for the Radio Link Failure that Stochastic accessing causes, terminal record random access failure relevant information is (such as the lead code number of times sent, whether competition detected, community ID, positional information, if reach maximum transmission power, the time is spent, Serving cell/measurement information in neighbor cell etc.) from random access failure.After terminal accesses network next time, when when network access network previous to this terminal of terminal request, the Radio Link Failure (RLF) of dominant base is reported, then terminal can be passed through to send RRC information, report RLF report.Here, if the RLF that Stochastic accessing causes, then random access failure relevant information is added in RLF report wherein.
Being explained above in the embodiment of the present invention terminal is the radio link problem report how reporting dominant base, prothetic group station.By above step, when the embodiment of the present invention can be implemented in base station generation radio link problem, send the radio link problem report of corresponding base station.
Based on the process described above, the embodiment of the present invention additionally provides the acquisition device of the terminal connection status under a kind of multi-link scene, and this device is applied to network side, as in figure 2 it is shown, this device includes:
First transmitting element 21, for sending request message to terminal, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
First receives unit 22, for receiving the response message that terminal returns for described request message, carries the Stochastic accessing report between described default base station in described response message.
In the embodiment of the present invention, when being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.Described terminal can be set up to have with respective base station over a number of carriers and be connected, now, described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
In the embodiment of the present invention, when described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
In above example, the Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed is reported, wherein, M and N is the integer be more than or equal to 1.
Except reporting of Stochastic accessing, the embodiment of the present invention can also realize reporting of radio link problem, and now said apparatus also includes:
Second receives unit, for receiving the radio link problem report sent after Radio Link Failure occurs terminal between this terminal and prothetic group station, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
Further, this device according to the notice of terminal, can also ask the radio link problem at prothetic group station to be reported, now this device also includes:
3rd receives unit, for before receiving the report of described radio link problem, receive radio link problem information that terminal sends can notice, described notice is used for indicating terminal to record radio link problem report；
Second transmitting element, for according to described notice, sends for asking what described radio link problem reported to report request to this terminal.
This device can also receive the radio link problem report of dominant base, and now this device also includes:
3rd transmitting element, the radio link failure report of dominant base during for sending for asking the previous access network of this terminal to terminal；
4th receives unit, is used for the radio link failure report of dominant base during the described previous access network receiving the transmission of described terminal.
What above example described the acquisition methods of terminal connection status from network side realizes flow process.The acquisition methods of the present invention will be described further by following example further from end.
Refer to Fig. 3, the acquisition methods of the terminal connection status under another multi-link scene that the embodiment of the present invention provides, it is applied to terminal, this terminal is set up to have with multiple base stations and is connected, and the method comprises the following steps:
Step 31, terminal receives the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message.
Here, above-mentioned request message specifically can be passed through wireless heterogeneous networks (RRC) signaling message (such as UE information request signaling) and be sent to terminal, and in this signaling, requesting terminal reports the report of Stochastic accessing.
Step 32, described terminal, according to described request message, returns a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
From above step it can be seen that the embodiment of the present invention network and terminal appoint default base station in advance, or in request message, directly indicated described default base station by network side, thus the Stochastic accessing report of this default base station of terminal to report.So, network side is after receiving described response message, it may be determined that what wherein carry is the Stochastic accessing report of which base station, and then can go location relevant issues according to the report of this Stochastic accessing.
Similar with preceding embodiment, when being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
In the present embodiment, described terminal is set up to have with respective base station over a number of carriers further and is connected.Now, described request message can be further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；Described response message then carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
In the present embodiment, when described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
In the present embodiment, the Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed is reported, wherein, M and N is the integer be more than or equal to 1.
Except Stochastic accessing is reported, network side it may also be desirable to the radio link problem understanding dominant base/prothetic group station with terminal room, such as the information of Radio Link Failure (RLF).The radio link problem that maximum retransmission, T310 time-out etc. cause is reached for random access failure, RLC, it is likely to occur on the multiple base stations serving terminal (such as dominant base, prothetic group station), processes the RLF problem on multiple base station at present also without corresponding mechanism.
Wherein, it is directed to the radio link problem at prothetic group station, the acquisition methods of the terminal connection status under the multi-link scene that the present embodiment provides, further comprising the steps of:
Step a, after described terminal, between this terminal and prothetic group station, Radio Link Failure occurs, sends radio link problem report to network side, and the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
So, on prothetic group station occur radio link problem (such as RLF) time, terminal either directly through dedicated signaling (such as RRC signaling or MAC signaling) by radio link problem report notification network.Concrete signaling can transmit message based on existing uplink information.Radio link problem report can include herein below: the type (as random access failure, RLC reach maximum retransmission, T310 time-out etc.) of radio link problem, community ID, carrier frequency, terminal positional information, Serving cell/measurement information in neighbor cell etc..Wherein, random access failure be can further include the lead code number of times of transmission, competition whether detected, whether reach maximum transmission power, spent the time etc. from random access failure.If on prothetic group station all there is radio link problem in multiple Serving cells, then the problem that can report the plurality of community.
Another kind of processing mode as the radio link problem for occurring on prothetic group station, the embodiment of the present invention is before sending the report of described radio link problem, described terminal can first to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report, and etc. described network side to be received according to described notice send for asking what described radio link problem reported to report request, then, the report of described radio link problem is retransmited.
It is directed to the radio link problem of dominant base, in the present embodiment, described terminal can receive that network side sends for asking described terminal previous access network time dominant base radio link failure report after, then to network side send described previous access network time dominant base radio link failure report.
Finally, based on above-mentioned acquisition methods, embodiments providing the acquisition methods of terminal connection status under a kind of multi-link scene, be applied to a terminal, as shown in Figure 4, this device includes:
5th receives unit 41, for receiving the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
5th transmitting element 42, for according to described request message, returning a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
Preferably, said apparatus also includes:
6th transmitting element, after there is Radio Link Failure between described terminal and prothetic group station, sending radio link problem report to network side, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
Preferably, said apparatus also includes:
7th transmitting element, before sending the report of described radio link problem at described 6th transmitting element, to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report；
6th receives unit, for receive described network side according to described notice send for asking what described radio link problem reported to report request.
Preferably, said apparatus also includes:
7th receives unit, for receive that network side sends for asking described terminal previous access network time dominant base radio link failure report；
8th transmitting element, the radio link failure report of dominant base during for sending described previous access network to network side.
Here, when being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
In the present embodiment, described terminal is set up to have with respective base station over a number of carriers further and is connected.Now, described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
In the present embodiment, when described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
In the present embodiment, the Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed is reported, wherein, M and N is the integer be more than or equal to 1.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (24)
1. the acquisition methods of the terminal connection status under a multi-link scene, it is characterised in that including:
The lateral terminal of network sends request message, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
Network side receives the response message that terminal returns for described request message, carries the Stochastic accessing report between described default base station in described response message.
2. acquisition methods as claimed in claim 1, it is characterised in that also include:
Receiving the radio link problem report sent after Radio Link Failure occurs terminal between this terminal and prothetic group station, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
3. acquisition methods as claimed in claim 2, it is characterised in that before receiving the report of described radio link problem, described method also includes:
Receive radio link problem information that terminal sends can notice, described notice is used for indicating terminal to record radio link problem report；
According to described notice, send for asking what described radio link problem reported to report request to this terminal.
4. acquisition methods as claimed in claim 1, it is characterised in that also include:
To terminal send for asking this terminal previous access network time dominant base radio link failure report；
Receive the radio link failure report of dominant base during the described previous access network of described terminal transmission.
5. the acquisition methods of the terminal connection status under a multi-link scene, it is characterised in that including:
Terminal receives the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
Terminal, according to described request message, returns a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
6. acquisition methods as claimed in claim 1, it is characterised in that also include:
After described terminal, between this terminal and prothetic group station, Radio Link Failure occurs, sending radio link problem report to network side, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
7. acquisition methods as claimed in claim 6, it is characterised in that before sending the report of described radio link problem, described method also includes:
Described terminal to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report；
Receive described network side according to described notice send for asking what described radio link problem reported to report request.
8. acquisition methods as claimed in claim 5, it is characterised in that also include:
Described terminal receive that network side sends for asking described terminal previous access network time dominant base radio link failure report；
The radio link failure report of dominant base when described terminal is to network side transmission described previous access network.
9. the acquisition methods as described in claim 1 or 5, it is characterised in that
When being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
10. acquisition methods as claimed in claim 9, it is characterised in that
Described terminal is set up to have with respective base station over a number of carriers further and is connected；
Described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；
Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
11. acquisition methods as claimed in claim 10, it is characterised in that
When described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
12. the acquisition methods as described in claim 1 or 5, it is characterised in that
The Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed is reported, wherein, M and N is the integer be more than or equal to 1.
13. the acquisition device of the terminal connection status under a multi-link scene, it is characterised in that including:
First transmitting element, for sending request message to terminal, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
First receives unit, for receiving the response message that terminal returns for described request message, carries the Stochastic accessing report between described default base station in described response message.
14. acquisition device as claimed in claim 13, it is characterised in that also include:
Second receives unit, for receiving the radio link problem report sent after Radio Link Failure occurs terminal between this terminal and prothetic group station, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
15. acquisition device as claimed in claim 14, it is characterised in that also include:
3rd receives unit, for before receiving the report of described radio link problem, receive radio link problem information that terminal sends can notice, described notice is used for indicating terminal to record radio link problem report；
Second transmitting element, for according to described notice, sends for asking what described radio link problem reported to report request to this terminal.
16. acquisition device as claimed in claim 13, it is characterised in that also include:
3rd transmitting element, the radio link failure report of dominant base during for sending for asking the previous access network of this terminal to terminal；
4th receives unit, is used for the radio link failure report of dominant base during the described previous access network receiving the transmission of described terminal.
17. an acquisition methods for the terminal connection status under multi-link scene, it is applied to a terminal, it is characterised in that including:
5th receives unit, for receiving the request message that network side sends, described terminal is set up to have with multiple base stations and is connected, described request message for asking to preset the Stochastic accessing state of base station, the base station specified in described default base station is network side and terminal is made an appointment base station or described request message；
5th transmitting element, for according to described request message, returning a response message to network side, carries the Stochastic accessing report between described default base station in described response message.
18. acquisition device as claimed in claim 17, it is characterised in that also include:
6th transmitting element, after there is Radio Link Failure between described terminal and prothetic group station, sending radio link problem report to network side, the report of described radio link problem at least includes the type of radio link problem, respective cell ID and carrier wave frequency information.
19. acquisition device as claimed in claim 18, it is characterised in that also include:
7th transmitting element, before sending the report of described radio link problem at described 6th transmitting element, to network side send radio link problem information can notice, described notice is used for indicating this terminal to record radio link problem report；
6th receives unit, for receive described network side according to described notice send for asking what described radio link problem reported to report request.
20. acquisition device as claimed in claim 17, it is characterised in that also include:
7th receives unit, for receive that network side sends for asking described terminal previous access network time dominant base radio link failure report；
8th transmitting element, the radio link failure report of dominant base during for sending described previous access network to network side.
21. the acquisition device as described in claim 13 or 17, it is characterised in that
When being the base station specified by described request message in described default base station, described default base station is the dominant base that connects of this terminal or this terminal connects prothetic group station or the dominant base that this terminal connects and prothetic group station.
22. acquisition device as claimed in claim 21, it is characterised in that
Described terminal is set up to have with respective base station over a number of carriers further and is connected；
Described request message is further used for request Stochastic accessing state on the default carrier wave of described default base station, the carrier wave specified in described default carrier wave is network side and terminal is made an appointment carrier wave or described request message；
Described response message carries the Stochastic accessing report on the default carrier wave of described default base station of this terminal further.
23. acquisition device as claimed in claim 22, it is characterised in that
When described default carrier wave is the carrier wave specified by described request message, described default base station is dominant base and the prothetic group station of the dominant base of this terminal connection or the prothetic group station of this terminal connection or the connection of this terminal, described default carrier wave refers to main carrier, or subcarrier, or main carrier and subcarrier.
24. the acquisition device as described in claim 13 or 17, it is characterised in that
The Stochastic accessing carried in described response message is reported as the Stochastic accessing report of nearest M successful Stochastic accessing, and/or the Stochastic accessing of the nearest Stochastic accessing that n times are failed is reported, wherein, M and N is the integer be more than or equal to 1.
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