CN101754384A - Method and system of reselection priority indication in cell - Google Patents
Method and system of reselection priority indication in cell Download PDFInfo
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- CN101754384A CN101754384A CN 200810239251 CN200810239251A CN101754384A CN 101754384 A CN101754384 A CN 101754384A CN 200810239251 CN200810239251 CN 200810239251 CN 200810239251 A CN200810239251 A CN 200810239251A CN 101754384 A CN101754384 A CN 101754384A
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Abstract
The invention discloses a method and a system of reselection priority indication in a cell, comprising the following steps: determining special priority information without carrying service frequency points in a message released by wireless resource control connection, wherein the service frequency points are released by wireless resource control connection; and indicating priority information of the service frequency points when determining that the message released by wireless resource control connection indicates the special priority of at least one non-service frequency point. The method and the system solves the problems that after receiving the message released by the wireless resource control connection, when only having special priority of the non-service frequency point without any priority information of the service frequency points, user equipment can not carry out the processes of measurement and reselection of any pilot frequency/pilot technology normally, guarantees the smooth implementation of user equipment in the processes of following parking and call establishment and enhances the sensitivity of user experience.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of method and system of cell reselection priority indication.
Background technology
One, the brief introduction of RRC (Radio Resource Control, Radio Resource control) connection release message.
Optionally comprise redirection information and cell reselection priority information in the RRC connection release message.Redirection information is used for specifying a specific frequency to UE (User Equipment, subscriber equipment), after UE discharges the RRC connection, can only carry out cell selecting on this frequency.And cell reselection priority information is used for indicating the priority that next can carry out the frequency of sub-district gravity treatment to UE.
1, in the RRC connection release message, do not comprise redirection information, when only comprising cell reselection priority information, at first cell selecting is also resident to current area after discharging the RRC connection for UE, carries out the sub-district gravity treatment according to the cell reselection priority information in the RRC connection release message then;
2, in the RRC connection release message, only comprise redirection information, when not comprising cell reselection priority information, UE discharge RRC can first-selection after connecting according to redirection information in the redirected frequency of appointment carry out cell selecting, in resident sub-district, carry out common sub-district gravity treatment then;
3, in the RRC connection release message, both comprised redirection information, when also comprising cell reselection priority information, UE discharge RRC can first-selection after connecting according to redirection information in the redirected frequency of appointment carry out cell selecting, carry out the sub-district gravity treatment according to the cell reselection priority information in the RRC connection release message then;
4, neither comprise redirection information in the RRC connection release message, when also not comprising cell reselection priority information, UE is after discharging the RRC connection, and at first cell selecting is carried out common sub-district gravity treatment then to current area and resident.
Two, based on the different frequency/different technique district gravity treatment brief introduction of priority.
The gravity treatment of different frequency/different technique district is all judged based on priority and is carried out.UE need distinguish with the relation (be higher than, equal, be lower than) of service frequency priority according to its priority and treat when certain different frequency/different technology is carried out reselection evaluation, and detail sees also 5.2.4.5 joint in 36.304.
In addition, when UE judges whether that startup is measured certain different frequency/different technology, also to distinguish with the relation of service frequency and treat according to its priority:
1, is higher than the different frequency/different technology of serving frequency for priority, measures according to the requirement of 36.133 agreements;
2, be equal to or less than the different frequency/different technology of service frequency for priority, when the Serving cell quality is lower than certain thresholding (S
Nonintrasearch) or UE when not having this threshold parameter of dispensing, just start corresponding measurement.
Three, the indicatory device brief introduction of priority.
For E-UTRAN, each frequency has a cell reselection priority; For different technology, each frequency (section) has a cell reselection priority, and does not support the priority that equates between different technology.And current agreement regulation UE can only provided E-UTRAN (Evolved UMTSTerrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution by system information; UMTS:Universal Mobile Telecommunication System universal mobile telecommunications system) frequency or different technology frequency (section) and hereto frequency the assessment of carrying out the sub-district gravity treatment under the situation of cell reselection priority is arranged.
The frequency precedence information of sub-district gravity treatment is from following two kinds of means:
A), common signaling (being system information): the precedence information separately of the non-service frequency of precedence information, E-UTRAN that the service frequency of sub-district, UE place when receiving Radio Resource control connection release message wherein is provided, and the precedence information separately of each frequency (section) of other RAT (Radio Access Technology, wireless access technology).This is called public precedence information.
B), in dedicated signaling: in the RRC connection release message, carry the priority list of E-UTRAN different frequency/different technology frequency (section) alternatively, and corresponding term of validity timer length.This is called special priority information.The information that provides in corresponding information unit content and the system information is compared, and has lacked the priority of the frequency of sub-district, UE place when receiving Radio Resource control connection release message, has added priority timer effective time T320.
Four, public precedence information and special priority information concerns brief introduction.
Stipulate that in existing LTE (Long Term Evolution, Long Term Evolution) standard when UE did not receive dedicated signaling indication special priority information, the public priority that provides in the using system information was measured and the sub-district gravity treatment; After receiving special priority information, UE will no longer consider any public precedence information, behind the term of validity timer expiry or (because other reasons) termination of special priority information, UE just can abandon special priority information, and restarts to carry out corresponding measurement and sub-district gravity treatment based on public precedence information.
The shortcoming of prior art is: under some scene, can't guarantee that after obtaining special priority information, UE can possess the precedence information of service frequency.
This is because in the RRC connection release message, UE selects the sub-district to carry out resident after receiving the RRC release message, do not indicate the priority of service frequency if indicated the cell reselection priority of non-service frequency in the RRC connection release message, so for the service frequency, UE had not both had the special priority information can be with (because RRC connection release message in do not provide), the public precedence information that provides in can not using system information is (because the agreement regulation is as long as special priority information exists, UE just can not use any public precedence information), this just causes serving frequency without any precedence information.
The frequency of sub-district, place is f1 when having following scene: UE to receive the RRC connection release message, the public precedence information of f1, f2, f3 three frequencies is provided in this system information of subdistricts, simultaneously RRC connection release message order UE connects the back and selects residently to same sub-district discharging, and has indicated the special priority information of f2, two frequencies of f3 in the RRC connection release message.
According to existing protocol, UE will reside in frequency f1 after receiving the RRC connection release message, but only have the dedicated priority of f2, two frequencies of f3, and service frequency f1 is then without any precedence information.
According to the description of front, in case UE can't determine to serve the precedence information of frequency, it also can't normally carry out the measurement and the reuse adoption process of other any different frequency/different technology so, and then influences follow-up resident and call setup flow process, worsens user experience.
Summary of the invention
The invention provides a kind of method and system of cell reselection priority indication, in order to what exist in the solution prior art, when UE can't determine to serve the precedence information of frequency, can't normally carry out the measurement of other any different frequency/different technology and the problem of reuse adoption process.
A kind of indicating means of cell reselection priority is provided in the embodiment of the invention, has comprised the steps:
Determine not carry in the Radio Resource control connection release message special priority information of service frequency;
When in definite Radio Resource control connection release message, having indicated at least one non-service frequency dedicated priority, the precedence information of indication service frequency.
Preferably, the precedence information of described indication service frequency is specially:
Network equipment is by the precedence information of Radio Resource control connection release message indication service frequency.
Preferably, behind the precedence information of network equipment, further comprise by Radio Resource control connection release message indication service frequency:
Described Radio Resource control connection release message is sent to subscriber equipment.
Preferably, the precedence information of described indication service frequency is specially:
The indication subscriber equipment uses the precedence information of the service frequency that obtains from system information.
Preferably, the precedence information of described indication service frequency is specially:
The indication subscriber equipment uses default service frequency precedence information.
Preferably, described default service frequency priority limit is greater than the UE cell reselection priority scope of the explicit dispensing of all high-level signalings.
Preferably, described service frequency is that subscriber equipment indicated in the Radio Resource control connection release message is with resident frequency.
Preferably, subscriber equipment indicated in the Radio Resource control connection release message with resident frequency is: if do not comprise redirection information in the Radio Resource control connection release message, then subscriber equipment is exactly the frequency of subscriber equipment sub-district, place when receiving Radio Resource control connection release message with resident frequency; If comprise redirection information in the Radio Resource control connection release message, then subscriber equipment is exactly a frequency specified in the redirection information with resident frequency.
Preferably, specified frequency is E-UTRAN frequency or the different technology frequency that UE is redirected in the redirection information.
Preferably, non-service frequency is meant the E-UTRAN frequency/different technology frequency except the service frequency.
The embodiment of the invention also provides a kind of system that is used for the cell reselection priority indication, comprising:
Service frequency determination module is used for the frequency that the Radio Resource control connection is discharged into is defined as serving frequency;
Service frequency dedicated priority determination module is used for determining whether Radio Resource control connection release message carries the special priority information of service frequency;
Non-service frequency dedicated priority determination module, be used for when determining that Radio Resource control connection release message does not carry the special priority information of service frequency, determining whether to have indicated in the Radio Resource control connection release message at least one non-service frequency dedicated priority;
Service frequency priority indicating module is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the precedence information of frequency is served in indication.
Preferably, described service frequency priority indicating module comprises:
First indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, the precedence information of indication service frequency in Radio Resource control connection release message.
Preferably, further comprise:
Message transmission module is used for behind the precedence information of Radio Resource control connection release message indication service frequency described Radio Resource control connection release message being sent to subscriber equipment.
Preferably, described service frequency priority indicating module comprises:
Second indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the indication subscriber equipment obtains the precedence information of service frequency from system information.
Preferably, described service frequency priority indicating module comprises:
The 3rd indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the indication subscriber equipment uses default service frequency precedence information.
Preferably, described default service frequency priority limit is greater than the UE cell reselection priority scope of the explicit dispensing of all high-level signalings.
Preferably, described service frequency dedicated priority determination module is further used for subscriber equipment indicated in the Radio Resource control connection release message is defined as serving frequency with resident frequency.
Preferably, described service frequency dedicated priority determination module is further used for when determining subscriber equipment with resident frequency, when not comprising redirection information in definite Radio Resource control connection release message, the frequency of sub-district, place is defined as subscriber equipment with resident frequency when then subscriber equipment being received Radio Resource control connection release message; When comprising redirection information in the Radio Resource control connection release message, then frequency specified in the redirection information is defined as subscriber equipment with resident frequency.
Preferably, described service frequency dedicated priority determination module is further used for determining that E-UTRAN frequency or different technology frequency that UE will be redirected to are frequency specified in the redirection information.
Preferably, described non-service frequency dedicated priority determination module is further used for determining that the E-UTRAN frequency/different technology frequency except the service frequency is non-service frequency.
Beneficial effect of the present invention is as follows:
In the invention process, in case after determining not carry in the RRC connection release message RRC and connecting the special priority information of the frequency that is discharged into, if when further having determined also to have indicated at least one frequency dedicated priority in the RRC connection release message, just the precedence information of frequency is served in indication.Thereby avoided UE after receiving the RRC connection release message, in the dedicated priority that only has non-service frequency, and when not serving any precedence information of frequency, cause UE because of determining to serve the precedence information of frequency, and can't normally carry out the measurement of other any different frequency/different technology and the problem of reuse adoption process, guaranteed the smooth implementation of UE, strengthened sense of experience of users degree of being subjected in follow-up resident and call setup flow process.
Description of drawings
Fig. 1 is the indicating means implementing procedure schematic diagram of cell reselection priority in the embodiment of the invention;
Fig. 2 is for carrying out the indicating means implementing procedure schematic diagram of cell reselection priority from network equipment in the embodiment of the invention;
Fig. 3 utilizes system information to carry out the indicating means implementing procedure schematic diagram of cell reselection priority in the embodiment of the invention from UE;
Fig. 4 is for utilizing default precedence information to carry out the indicating means implementing procedure schematic diagram of cell reselection priority from UE in the embodiment of the invention;
Fig. 5 is for being used for the system configuration schematic diagram of cell reselection priority indication in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 1 is the indicating means implementing procedure schematic diagram of cell reselection priority, as shown in the figure, can comprise the steps:
The precedence information of step 104, indication service frequency;
In the enforcement, when indicating the cell reselection priority of at least one non-service frequency in the RRC connection release message, in same RRC connection release message, also must indicate the cell reselection priority of service frequency, to guarantee that UE can have service frequency precedence information all the time during this period, be convenient to the carrying out of follow-up measurement and cell reselection process.Promptly, after determining not carry the special priority information of service frequency in the RRC connection release message by step 102, if in step 103, determine when also having indicated at least one non-service frequency dedicated priority in the RRC connection release message, then need in step 104, indicate the precedence information of service frequency.Because if do not indicate the priority of service frequency at this moment, the UE in the so follow-up flow process also can't normally carry out the measurement and the reuse adoption process of other any different frequency/different technology, and then influences follow-up resident and call setup flow process.Therefore, behind the precedence information of having indicated the service frequency in the case, just can in step 105, carry out UE, that is, make UE can continue follow-up measurement and reuse adoption process according to the process that the precedence information of service frequency carries out sub-district gravity treatment evaluation.
When 101 pairs of execution in step service frequency is determined, serve frequency and can be UE indicated in the RRC connection release message with resident frequency.
UE is meant resident frequency: if do not comprise redirection information in the RRC connection release message, then UE is exactly the frequency of UE sub-district, place when receiving Radio Resource control connection release message with resident frequency; If comprise redirection information in the RRC connection release message, then UE is exactly a frequency specified in the redirection information with resident frequency.In the enforcement, specified frequency can be meant E-UTRAN frequency or the different technology frequency that UE will be redirected in the redirection information.
Usually, generally communication equipment is divided into network equipment and UE, will introduces how implementation step 104 of network equipment and UE below respectively, promptly how in existing communication equipment, to realize indication the precedence information of service frequency.
One, the enforcement of network equipment
Fig. 2 as shown in the figure, can comprise the steps: for carry out the indicating means implementing procedure schematic diagram of cell reselection priority from network equipment
In this step, network side can determine to serve the cell reselection priority of frequency according to self factor such as load control etc.
In the enforcement, when indicating the cell reselection priority of at least one non-service frequency in the RRC connection release message, in same RRC connection release message, also must indicate the cell reselection priority of service frequency, to guarantee that UE can have service frequency precedence information all the time during this period, be convenient to the carrying out of follow-up measurement and cell reselection process.Promptly, after determining not carry the special priority information of service frequency in the RRC connection release message by step 102, if in step 103, determine when also having indicated at least one non-service frequency dedicated priority in the RRC connection release message, the precedence information of indication service frequency in the RRC connection release message then.Because if do not indicate the priority of service frequency at this moment, the UE in the so follow-up flow process also can't normally carry out the measurement and the reuse adoption process of other any different frequency/different technology, and then influences follow-up resident and call setup flow process.Therefore, after in indication RRC connection release message, having indicated the precedence information of service frequency in the case, just can in step 105, send the RRC connection release message, make UE can continue follow-up measurement and reuse adoption process to UE.
Then be to be prerequisite below, do not describe respectively providing and provide the execution mode under two kinds of situations of redirection information so that special priority information to be provided in the RRC connection release message.
Embodiment one
Having described in the present embodiment only provides priority list and has not had redirection information in the RRC connection release message, UE can only select the sub-district of last connection to carry out the resident of cell selecting in the case.At this moment, if indicated the special priority information of (at least one) non-service frequency in the RRC connection release message, the precedence information of serving frequency so must appear in same the RRC connection release message, only in this way just can guarantee to carry out follow-up cell reselection process.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, the RRC connection release message does not have redirection information simultaneously, the sub-district can only select the sub-district of last connection to carry out the resident of cell selecting, this sub-district belongs to frequency f1 so, if indicated the special priority information P of (at least one) non-service frequency (for example f2 frequency, this frequency provides) in this RRC connection release message in system information
F2 *, then in same RRC connection release message, must add the precedence information P that serves frequency f1
F1 *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f2 with this UE that guarantees to reside in f1.
Embodiment two
Present embodiment has been described in the RRC connection release message priority list not only is provided, redirection information also is provided simultaneously, at first can to proceed to the cell selecting of alien frequencies or different technology according to redirection information resident for UE so, if indicated the special priority information of (at least one) non-service frequency in this case in the RRC connection release message, the precedence information that is redirected frequency so must appear in same the RRC connection release message, to guarantee to carry out follow-up cell reselection process.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, UE was redirected to certain sub-district under the frequency f2 after connection discharged, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, if indicated the special priority information P of (at least one) non-service frequency (for example f3 frequency, this frequency provides) in this RRC connection release message in system information
F3 *, then in same RRC connection release message, must add the precedence information P that is redirected frequency f2
F2 *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f3 with this UE that guarantees to reside in f2.
To sum up embodiment as can be known, if in the RRC connection release message, comprised the special priority information of sub-district gravity treatment, network side must guarantee wherein always to comprise the special priority information that UE connects the frequency that is discharged into, so just can guarantee in the term of validity of special priority information, UE can have all the time between dedicated signaling provides the frequency of priority and carries out the required necessary information of sub-district gravity treatment, thereby guarantees that UE can continue follow-up measurement and reuse adoption process.
Two, the enforcement of UE
When surveying from UE when implementing, can adopt the precedence information that from existing information, obtains the service frequency, perhaps adopt the mode of the precedence information that sets in advance the service frequency.Concrete, existing information can be obtained from system information; Then can adopt when setting in advance and be set to precedence information UE, fixing.
Respectively these two kinds of optional modes are described respectively below.
1, from system information, obtains.
The cell reselection priority of at least one non-service frequency of indication in the RRC connection release message, and the cell reselection priority of service frequency is not when being provided by the RRC connection release message, the precedence information of the selected service frequency that provides in the using system information then, to guarantee that UE can have service frequency priority all the time during this period, be convenient to the carrying out of follow-up measurement and cell reselection process.
Fig. 3 as shown in the figure, can comprise the steps: for to utilize system information to carry out the indicating means implementing procedure schematic diagram of cell reselection priority from UE
Then be to be prerequisite below, do not describe respectively providing and provide the execution mode under two kinds of situations of redirection information so that special priority information to be provided in the RRC connection release message.
Embodiment three
Having described in the present embodiment in the RRC connection release message only provides priority list and has not had redirection information, UE can only select the sub-district of last connection to carry out the resident of cell selecting, if indicated the special priority information of (at least one) non-service frequency in this case in the RRC connection release message, and the priority of service frequency is not provided by the RRC connection release message, the precedence information of the current frequency that provides in the using system information so is to guarantee to carry out follow-up cell reselection process.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, the RRC connection release message does not have redirection information simultaneously, the sub-district can only select the sub-district of last connection to carry out the resident of cell selecting, this sub-district belongs to frequency f1 so, if the RRC connection release message has been indicated the special priority information P of (at least one) non-service frequency (for example f2 frequency, this frequency provides) in system information
F2 *But, the precedence information P of the service frequency f1 that also provides in the using system information then
F1 *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f2 with this UE that guarantees to reside in f1.
Embodiment four
Present embodiment has been described in the RRC connection release message priority list not only is provided, redirection information also is provided simultaneously, at first can to proceed to the cell selecting of alien frequencies or different technology according to redirection information resident for UE so, if indicated the special priority information of (at least one) non-service frequency in this case in the RRC connection release message, and the priority of service frequency is not provided by the RRC connection release message, use the precedence information that the redirected frequency that provides in the cell system information is provided so, to guarantee to carry out follow-up cell reselection process.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, UE was redirected to certain sub-district under the frequency f2 after connection discharged, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, if the RRC connection release message has been indicated the special priority information P of (at least one) non-service frequency (for example f3 frequency, this frequency provides) in system information
F3 *, the precedence information P of the frequency f2 that provides in this cell system information under the frequency f2 that is redirected to then also can be provided
F1 *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f3 with this UE that guarantees to reside in f2.
Before priority that dedicated signaling provides lost efficacy, carry out follow-up sub-district gravity treatment action then can for:
Frequently gravity treatment together: do not carry out priority with gravity treatment frequently and judge, then read cell system information after the gravity treatment, prolong the service frequency priority of using from system information;
The alien frequencies gravity treatment: follow dedicated signaling the gravity treatment priority criteria be provided, can only gravity treatment to the frequency that priority is provided by dedicated signaling.
To sum up embodiment as can be known, but do not comprise the special priority information of serving frequency if in the RRC connection release message, comprised the special priority information of sub-district gravity treatment, the service frequency precedence information that the cell system information that then always is to use the UE connection to be discharged into provides, so just can guarantee that in the term of validity of special priority information UE can have all the time between the modern frequency that priority is provided of special use letter and carries out the required necessary information of sub-district gravity treatment.
2, from the service frequency priority that sets in advance, obtain.
In the enforcement, can in standard, arrange fixing cell reselection priority, be used for the gravity treatment priority of service frequency point cell in the case.In concrete the enforcement, this standard convention value can be stored among the UE one and be convenient to call, obviously, be stored in the External memory equipment that UE can obtain and also can realize goal of the invention.
Specifically, be exactly in dedicated signaling, not indicate service frequency point cell gravity treatment priority, but when but having indicated the cell reselection priority of at least one other non-service frequency, with the fixing service frequency point cell gravity treatment priority of storing among the UE as service frequency point cell gravity treatment priority, be used for comparing, be convenient to the carrying out of follow-up measurement and cell reselection process with the cell reselection priority of other non-service frequencies.
Fig. 4 as shown in the figure, can comprise the steps: for utilizing default precedence information to carry out the indicating means implementing procedure schematic diagram of cell reselection priority from UE
In concrete the enforcement, the service frequency precedence information of presetting in UE in the step 404 can be set to the UE cell reselection priority scope greater than the explicit dispensing of all high-level signalings.
For example the UE cell reselection priority scope of the explicit dispensing of all high-level signalings generally is made as 8 grades in the prior art, it is the 0-7 level, default priority limit is greater than the UE cell reselection priority scope of the explicit dispensing of all high-level signalings, that is to say and refer to that this scope is greater than 0-7, both can be less than lowest priority 0, also can certainly in 0-7, select greater than limit priority 7.Adopt the purpose of this mode to be to make the cell reselection process of UE side more flexible.The reason that this mode can be implemented only needs UE to discern and get final product after being that this scope is set, and does not relate to network side because this reuse adoption process also only relates to UE, so need not network improved and just can realize UE is indicated more flexibly.
Then be to be prerequisite below, do not describe respectively providing and provide the execution mode under two kinds of situations of redirection information so that special priority information to be provided in the RRC connection release message.
Embodiment five
Having described in the present embodiment in the RRC connection release message only provides priority list and has not had redirection information, UE can only select the sub-district of last connection to carry out the resident of cell selecting, if indicated the special priority information of (at least one) non-service frequency in this case in the RRC connection release message, and the priority of service frequency is not provided by the RRC connection release message, and UE will use the fixing service frequency point cell gravity treatment priority of having stored as current resident service frequency point cell gravity treatment priority so.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, the RRC connection release message does not have redirection information simultaneously, the sub-district can only select the sub-district of last connection to carry out the resident of cell selecting, this sub-district belongs to frequency f1 so, if the RRC connection release message has been indicated the special priority information P of (at least one) non-service frequency (for example f2 frequency, this frequency provides) in system information
F2 *, the precedence information P that serves frequency f1 then must be arranged
Fs *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f2 with this UE that guarantees to reside in f1, this moment P
Fs *Be the fixing service frequency point cell gravity treatment priority of UE storage.
Embodiment six
Present embodiment has been described in the RRC connection release message priority list not only is provided, redirection information also is provided simultaneously, at first can to proceed to the cell selecting of alien frequencies or different technology according to redirection information resident for UE so, if indicated the special priority information of (at least one) non-service frequency in this case in the RRC connection release message, and the priority of service frequency is not provided by the RRC connection release message, and UE will use the fixing service frequency point cell gravity treatment priority of having stored as current resident service frequency point cell gravity treatment priority so.
This scene can be expressed as follows: the frequency of sub-district, place was f1 when UE received the RRC connection release message, UE was redirected to certain sub-district under the frequency f2 after connection discharged, public precedence information f1, f2, the f3 of some frequencies are provided in this system information of subdistricts, if the RRC connection release message has been indicated the special priority information P of (at least one) non-service frequency (for example f3 frequency, this frequency provides) in system information
F3 *, the precedence information P that serves frequency f2 then must be arranged
Fs *, before the dedicated signaling timer expiry, can proceed to alien frequencies or the different technique district gravity treatment of f3 with this UE that guarantees to reside in f2, this moment P
Fs *Be the fixing service frequency point cell gravity treatment priority of UE storage.
Obtain in conjunction with the indication of above-mentioned network equipment and from system information or from default fixing cell reselection priority, can do following selection in concrete the enforcement to determine its preferred sequence, if that is: both do not provide service frequency point cell gravity treatment priority in the RRC connection release message, the cell reselection priority of other non-service frequencies is not provided yet, UE does not use the fixing service frequency point cell gravity treatment priority of having stored so, but obtains public precedence information by read system information.If service frequency point cell gravity treatment priority is provided in the RRC connection release message, UE does not use the fixing service frequency point cell gravity treatment priority of having stored so, and the precedence information that provides in the RRC connection release message is provided.Certainly, also can adopt other order or selection modes, be to want to ensure to the cell reselection priority information that UE indicates the service frequency to get final product.
Based on same inventive concept, a kind of system that is used for the cell reselection priority indication also is provided in the invention process, since with the priority indicating means be same inventive concept, so the part execution mode of system can be referring to the enforcement of priority indicating means, something in common repeats no more.
Fig. 5 is the system configuration schematic diagram that is used for the cell reselection priority indication, as shown in the figure, can comprise in the system:
Service frequency determination module 501 is used for that RRC is connected the frequency that is discharged into and is defined as serving frequency;
Service frequency dedicated priority determination module 502 is used for determining whether the RRC connection release message carries the special priority information of service frequency;
Non-service frequency dedicated priority determination module 503 is used for determining whether to have indicated in the RRC connection release message at least one non-service frequency dedicated priority when determining that the RRC connection release message is not carried the special priority information of service frequency;
Service frequency priority indicating module 504 is used for when definite RRC connection release message has been indicated at least one non-service frequency dedicated priority, and the precedence information of frequency is served in indication.
Service frequency priority indicating module in the system can comprise following thrin or its combination:
First indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, the precedence information of indication service frequency in Radio Resource control connection release message.
Under this scheme, first indicating member is arranged in network equipment, in the enforcement, everyly can indicate the network equipment of UE frequency priority for example can select for use eNB to be used as network equipment and to implement in order to implement by the RRC connection release message.
Further, can also comprise network equipment one side in the system of this moment: message transmission module is used for behind the precedence information of RRC connection release message indication service frequency described RRC connection release message being sent to UE.
Second indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and indication UE obtains the precedence information of service frequency from system information.
The 3rd indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and indication UE obtains the precedence information of service frequency from default precedence information.
Under this scheme, second indicating member, the 3rd indicating member are positioned at UE, so that when it has indicated at least one non-service frequency dedicated priority in definite Radio Resource control connection release message, just can indicate UE from system information or default precedence information, to obtain the precedence information of service frequency.
When first indicating member, second indicating member, when the 3rd indicating member is used in combination, can do following selection to determine its preferred sequence, if that is: both do not provide service frequency point cell gravity treatment priority in the RRC connection release message, the cell reselection priority of other non-service frequencies is not provided yet, do not use the fixing service frequency point cell gravity treatment priority of having stored so, but obtain public precedence information by read system information.If service frequency point cell gravity treatment priority is provided in the RRC connection release message, does not use the fixing service frequency point cell gravity treatment priority of having stored so, and the precedence information that provides in the RRC connection release message is provided.Certainly, also can adopt other order or selection modes, be to want to ensure to the cell reselection priority information that UE indicates the service frequency to get final product.
In the enforcement, service frequency dedicated priority determination module can be further used for UE indicated in the RRC connection release message is defined as serving frequency with resident frequency.
Further, service frequency dedicated priority determination module further can also be used for when determining subscriber equipment with resident frequency, when not comprising redirection information in definite Radio Resource control connection release message, the frequency of sub-district, place is defined as serving frequency when then subscriber equipment being received Radio Resource control connection release message; When comprising redirection information in the Radio Resource control connection release message, then frequency specified in the redirection information is defined as serving frequency.
Service frequency dedicated priority determination module can also be further used for determining that E-UTRAN frequency or different technology frequency that UE will be redirected to are frequency specified in the redirection information.
Non-service frequency dedicated priority determination module is further used for determining that the E-UTRAN frequency/different technology frequency except the service frequency is non-service frequency.
By above-mentioned enforcement as can be seen, when indicating the cell reselection priority of at least one non-service frequency in the RRC connection release message, network side also must be indicated the cell reselection priority of service frequency in same RRC connection release message; Perhaps, the indication subscriber equipment uses the precedence information of the service frequency that obtains from system information; Also can indicate subscriber equipment to use the precedence information of the service frequency that from default precedence information, obtains.The service frequency is meant that then UE indicated in the RRC connection release message is with resident frequency.Indicated being meant the frequency that explicit indication is redirected to or giving tacit consent to the current area place frequency of indicating in the RRC connection release message, it does not comprise other sub-districts of this frequency or is redirected the not non-service frequency of indication.UE is meant resident frequency: if do not comprise redirection information in the RRC connection release message, then UE is exactly the frequency of sub-district, the current place of UE with resident frequency; If comprise redirection information in the RRC connection release message, then UE is exactly a frequency specified in the redirection information with resident frequency.
Owing to determined the service frequency in the above-described embodiment, and determined to obtain the basis of service frequency priority, therefore solved in the prior art when the cell reselection priority of having indicated non-service frequency in the RRC connection release message and during the priority of indication service frequency, do not served the problem that frequency priority can be used owing to all priority that provide in the system information have been provided.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Claims (20)
1. the indicating means of a cell reselection priority is characterized in that, comprises the steps:
Determine not carry in the Radio Resource control connection release message special priority information of service frequency;
When in determining described Radio Resource control connection release message, having indicated at least one non-service frequency dedicated priority, the precedence information of indication service frequency.
2. the method for claim 1 is characterized in that, the precedence information of described indication service frequency is specially:
Network equipment is by the precedence information of Radio Resource control connection release message indication service frequency.
3. method as claimed in claim 2 is characterized in that, behind the precedence information of network equipment by Radio Resource control connection release message indication service frequency, further comprises:
Described Radio Resource control connection release message is sent to subscriber equipment.
4. the method for claim 1 is characterized in that, the precedence information of described indication service frequency is specially:
The indication subscriber equipment uses the precedence information of the service frequency that obtains from system information.
5. the method for claim 1 is characterized in that, the precedence information of described indication service frequency is specially:
The indication subscriber equipment uses default service frequency precedence information.
6. method as claimed in claim 5 is characterized in that, described default service frequency priority limit is greater than the UE cell reselection priority scope of the explicit dispensing of all high-level signalings.
7. as the arbitrary described method of claim 1 to 6, it is characterized in that described service frequency is that subscriber equipment indicated in the Radio Resource control connection release message is with resident frequency.
8. method as claimed in claim 7, it is characterized in that, if do not comprise redirection information in the Radio Resource control connection release message, then described subscriber equipment is the frequency of subscriber equipment sub-district, place when receiving Radio Resource control connection release message with resident frequency;
If comprise redirection information in the Radio Resource control connection release message, then described subscriber equipment is a frequency specified in the redirection information with resident frequency.
9. method as claimed in claim 8 is characterized in that, specified frequency is meant E-UTRAN frequency or the different technology frequency that UE will be redirected in the redirection information.
10. as the arbitrary described method of claim 1 to 6, it is characterized in that non-service frequency is meant the E-UTRAN frequency/different technology frequency except the service frequency.
11. a system that is used for the cell reselection priority indication is characterized in that, comprising:
Service frequency determination module is used for the frequency that the Radio Resource control connection is discharged into is defined as serving frequency;
Service frequency dedicated priority determination module is used for determining whether Radio Resource control connection release message carries the special priority information of service frequency;
Non-service frequency dedicated priority determination module, be used for when determining that Radio Resource control connection release message does not carry the special priority information of service frequency, determining whether to have indicated in the Radio Resource control connection release message at least one non-service frequency dedicated priority;
Service frequency priority indicating module is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the precedence information of frequency is served in indication.
12. system as claimed in claim 11 is characterized in that, described service frequency priority indicating module comprises:
First indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, the precedence information of indication service frequency in Radio Resource control connection release message.
13. system as claimed in claim 12 is characterized in that, further comprises:
Message transmission module is used for behind the precedence information of Radio Resource control connection release message indication service frequency described Radio Resource control connection release message being sent to subscriber equipment.
14. system as claimed in claim 11 is characterized in that, described service frequency priority indicating module comprises:
Second indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the indication subscriber equipment obtains the precedence information of service frequency from system information.
15. system as claimed in claim 11 is characterized in that, described service frequency priority indicating module comprises:
The 3rd indicating member is used for when definite Radio Resource control connection release message has been indicated at least one non-service frequency dedicated priority, and the indication subscriber equipment uses default service frequency precedence information.
16. system as claimed in claim 15 is characterized in that, described default service frequency priority limit is greater than the UE cell reselection priority scope of the explicit dispensing of all high-level signalings.
17., it is characterized in that described service frequency dedicated priority determination module is further used for subscriber equipment indicated in the Radio Resource control connection release message is defined as serving frequency with resident frequency as the arbitrary described system of claim 11 to 16.
18. system as claimed in claim 17, it is characterized in that, described service frequency dedicated priority determination module is further used for when determining subscriber equipment with resident frequency, when not comprising redirection information in definite Radio Resource control connection release message, the frequency of sub-district, place is defined as subscriber equipment with resident frequency when then subscriber equipment being received Radio Resource control connection release message; When comprising redirection information in the Radio Resource control connection release message, then frequency specified in the redirection information is defined as subscriber equipment with resident frequency.
19. system as claimed in claim 18 is characterized in that, described service frequency dedicated priority determination module is further used for determining that E-UTRAN frequency or different technology frequency that UE will be redirected to are frequency specified in the redirection information.
20., it is characterized in that described non-service frequency dedicated priority determination module is further used for determining that the E-UTRAN frequency/different technology frequency except the service frequency is non-service frequency as the arbitrary described system of claim 11 to 16.
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| CN 200810239251 CN101754384B (en) | 2008-12-05 | 2008-12-05 | Method and system of reselection priority indication in cell |
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| CN 200810239251 CN101754384B (en) | 2008-12-05 | 2008-12-05 | Method and system of reselection priority indication in cell |
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