CN103108335B - A kind of terminal redirecting method and equipment - Google Patents

A kind of terminal redirecting method and equipment Download PDF

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Publication number
CN103108335B
CN103108335B CN201110358010.9A CN201110358010A CN103108335B CN 103108335 B CN103108335 B CN 103108335B CN 201110358010 A CN201110358010 A CN 201110358010A CN 103108335 B CN103108335 B CN 103108335B
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rat
point information
frequency point
redirected
subset
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CN103108335A (en
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王小旭
王森
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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Abstract

A kind of terminal redirecting method and equipment, main contents comprise: terminal receives redirect message, and determine the local periodic measurement result stored, according to the order that the measured value of the channel quality of the corresponding frequency of frequency point information under RAT each in periodic measurement result is descending, the frequency point information in redirect message and periodic measurement result under common RAT and this RAT is utilized to be redirected successively; By the scheme of the embodiment of the present invention, because the size of the channel quality measurements according to the frequency in periodic measurement result is redirected the frequency point information in redirect message, therefore be preferentially redirected channel quality good frequency when being redirected, putting in order of the redirect message received relative to existing direct basis is carried out for redirected mode successively, redirected successful probability can be increased, the number of attempt that effective minimizing is redirected, and then reduce time delay that terminal is redirected, reduce the power consumption of terminal when being redirected.

Description

A kind of terminal redirecting method and equipment
Technical field
The present invention relates to the terminal access technology field in mobile communication system, particularly relate to a kind of terminal redirecting method and equipment.
Background technology
Terminal redirecting technique is in a communication network that one is widely used in mobile radio communication, for the technology of switch endpoint access network.When the current Radio Access Network of terminal can not provide access service for it for a certain reason, the network of current access is by redirect message, indicating terminal is according to the wireless access way carried in redirect message (Radio Access Technology, RAT) frequency point information and under each RAT, is redirected to other networks.Other networks described can be have same wireless access way from current Radio Access Network but the different network of frequency point information, also can be the networks from current Radio Access Network with different wireless access ways.
At present, terminal redirecting technique is in the mobile communication network mainly used in following two kinds of scenes:
1, traffic assignments scene
Some business (as speech business) can adopt the 2G network carrying, as speech business can adopt global system for mobile communications (G1obal System of Mobile communication, GSM) network carrying, other business (as data service) then more adopts 3G or Long Term Evolution (Long Term Evolution, LTE) network carrying, as data service can adopt TD SDMA (Time Division-SynchronousCode Division Multiple Access, TD-SCDMA), Wideband Code Division Multiple Access (WCDMA) (Wideband CodeDivision Multiple Access, WCDMA), time division duplex Long Term Evolution (Time Duplex Division-LTE, TDD-LTE), Frequency Division Duplexing (FDD) Long Term Evolution (Frequency Duplex Division-LTE, FDD-LTE) network carrying.
When terminal resides in 3G or LTE network, network side receives wireless resource control connection request (the Radio Resource Control Connection Request that terminal is initiated, RRC Connection Request) after, corresponding bearer network can be determined for reason for claim.If the business of request is the business being adapted at 2G network carries, network side connects the redirect message (Redirectioninformation) in refusal (RRC_CONNECTION_REJECT) message by wireless heterogeneous networks, and indicating terminal is redirected to 2G network.
When terminal resides in 2G network, if the business of terminal request is the business being adapted at 3G network carries, then terminal according to the instruction of present access network, can be redirected to 3G network.
2, network congestion scene
When the network that terminal is resident occurs congested, indicating terminal is utilized redirecting technique by the network of current access, is redirected to the network of other free time.
For above-mentioned any scene, terminal realizes redirected detailed process as shown in Figure 1, comprises the following steps:
Step 101: terminal receives the RRC_CONNECTION_REJECT message or wireless heterogeneous networks Connection Release (RRC_CONNECTION_RELEASE) message that current residing network side issues.
Whether the redirected enable messages in step 102: terminal judges RRC_CONNECTION_REJECT or RRC_CONNECTION_RELEASE message is true, if very, then represents that terminal needs to be redirected, performs step 103; If false, then terminate.
Redirect message (Redirection_information) in step 103: terminal parses RRC_CONNECTION_REJECT or RRC_CONNECTION_RELEASE message, determine that described Redirection_information comprises for the frequency point information under the wireless access way (RAT) that is redirected and each RAT.
Described Redirection_information is network side with the neighboring BS relationship of community, terminal current place for according to issuing, the frequency point information under the RAT comprised in the redirect message received by each terminal in same community, each RAT and putting in order in redirect message identical.
Step 104: terminal puts in order according to frequency point information under RAT and RAT comprised in redirect message, attempts being redirected successively, until be redirected successfully or travel through complete for the frequency point information under redirected RAT and each RAT.
Realize in the method be redirected in above-mentioned terminal, due to diverse location in same community each terminal received by redirect message in, identical for putting in order of the frequency point information under redirected RAT and each RAT, consider that the network state residing for different terminals is also not necessarily identical, therefore, some terminal according to frequency point information under RAT and RAT comprised in redirect message put in order or random fashion is attempted redirected successively time, probably need to attempt repeatedly could being redirected successfully, thus increase the average delay be redirected, and increase the average power consumption of terminal.
Summary of the invention
The method and apparatus that the embodiment of the present invention provides a kind of terminal to be redirected, during to solve that in prior art, terminal is redirected, terminal is redirected that time delay is longer, power consumption is comparatively large, and the problem that network signaling overhead is larger.
The method that terminal is redirected, described method comprises:
Receive redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT;
Determine in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information;
According to the order that the measured value of described channel quality is descending, common frequency point information under common RAT and this RAT is utilized in redirect message and periodic measurement result to be redirected successively.
A kind of terminal equipment, described equipment comprises:
Receiver module, for receiving redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT;
Measurement result determination module, for determining in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information;
Redirection module, for according to the descending order of the measured value of described channel quality, to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected successively.
In the scheme of the embodiment of the present invention, terminal receives redirect message, and determine the local periodic measurement result stored, then according to the order that the measured value of the channel quality of the frequency under RAT each in periodic measurement result is descending, the frequency point information in redirect message and periodic measurement result under common RAT and this RAT is utilized to be redirected successively; By the scheme of the embodiment of the present invention, because the size of the channel quality measurements according to the frequency in periodic measurement result is redirected the frequency point information in redirect message, therefore be preferentially redirected channel quality good frequency when being redirected, putting in order of the redirect message received relative to existing direct basis is carried out for redirected mode successively, redirected successful probability can be increased, the number of attempt that effective minimizing is redirected, and then reduce time delay that terminal is redirected, reduce the power consumption of terminal when being redirected.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of terminal redirecting method in background technology;
Fig. 2 is the schematic diagram of terminal redirecting method in the embodiment of the present invention one;
Fig. 3 is the structural representation of terminal equipment in the embodiment of the present invention two;
Fig. 4 is the structural representation of terminal equipment in the embodiment of the present invention three.
Embodiment
Embodiments provide the scheme that a kind of terminal is redirected, according to the order that the measured value of the channel quality of frequency corresponding to the frequency point information comprised in the periodic measurement result of terminal is descending, frequency point information under wireless access way each in the redirect message received is sorted, the frequency point information be arranged in front under preferential trial uses wireless access way is redirected, because the channel quality of the corresponding frequency of the frequency point information be arranged in front is better, therefore, the success rate using the frequency point information be arranged in front to carry out being redirected is also higher, effectively can reduce the number of attempt that terminal is redirected, reduce the time delay that terminal is redirected, reduce power consumption when terminal is redirected.
The solution of the present invention is described in detail below in conjunction with specific embodiment.
Embodiment one
As shown in Figure 2, be the schematic diagram of a kind of terminal redirecting method in the embodiment of the present invention one, described method specifically comprises the following steps:
Step 201: terminal receives redirect message, comprising the frequency point information under the wireless access way (RAT) for being redirected and each RAT.
In the scheme of this step 201, can according to the mode of the step 101 shown in Fig. 1 and step 102, the RRC_CONNECTION_REJECT message that reception network side issues or RRC_CONNECTION_RELEASE message, and the redirected enable messages in the RRC_CONNECTION_REJECT message received or RRC_CONNECTION_RELEASE message is true time, therefrom parses redirect message further.This step 201 is also not limited by other modes and receives the redirect message that network side issues.
The RAT comprised in described redirect message includes but not limited to: Evolved Universal Terrestrial wireless access way (Evolved Universal Terrestrial Radio Access, EUTRA), GSM and enhanced data rates for gsm evolution technology wireless access way (GSM Enhanced Data Rate for GSMEvolution Radio Access Network, GERAN), general land wireless Frequency Division duplex access way (Universal Terrestrial Radio Access-FDD, UTRA-FDD) and general land wireless Time Division duplex access way UTRA-TDD, but do not comprise WLAN (wireless local area network) (Wireless Local Area Network, WLAN) access way.
Data structure about redirect message in third generation partner program (3rd Generation Partnership Project, 3GPP) is as follows:
Wherein: EUTRA, GERAN, UTRA-FDD, UTRA-TDD are respectively different RAT, at least one frequency point information is had under each RAT, terminal, after receiving this redirect message, can attempt being redirected according to the frequency point information under the RAT wherein comprised and this RAT.
Such as, as can be seen from the data structure of above citing, under the wireless access way of EUTRA, there is two frequency bins information, be respectively ARFCN-ValueEUTRA1, ARFCN-ValueEUTRA2.Also multiple frequency point information is had under the wireless access way of GERAN, be respectively CarrierFreqsGERAN1, CarrierFreqsGERAN2, CarrierFreqsGERAN3, CarrierFreqsGERAN4, will repeat no more for the multiple frequency point information under other wireless access ways.
It should be noted that, the frequency point information under RAT and RAT in above-mentioned data structure is only and illustrates, has multiple RAT in the redirect message in reality, has multiple frequency point information under arbitrary RAT.
Step 202: terminal determines the local periodic measurement result stored, described periodic measurement result comprises the measured value of the channel quality of frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information.
In the scheme of the present embodiment, terminal by periodically determine adjacent cell RAT, this RAT under frequency point information, and measure the channel quality of the corresponding frequency of each frequency point information, and then determine the measured value of channel quality of the corresponding frequency of the frequency point information of each adjacent cell, and be carried in periodic measurement result.
For being positioned at the terminal of diverse location in same community, the measured value of the channel quality of the corresponding frequency of frequency point information of adjacent cell under network state residing for each terminal measurement self, different terminals may not be identical for the measured value of adjacent cell.
It should be noted that, the method of measurement obtaining the measured value of the channel quality at the corresponding frequency of each frequency point information described in this step 202 may not be identical in different RAT, but its essence is the measurement to cell downlink pilot channel quality, all can be used in RAT corresponding in this step 202 to the method for measurement of cell downlink pilot channel quality in different RAT, to obtain the measured value of the channel quality of the corresponding frequency of each frequency point information.
Data structure in 3 gpp about periodic measurement result is as follows:
Wherein, GERAN, EUTRA-TDD, UTRA-TDD are respectively the RAT of the adjacent cell of measurement, have the measured value of the channel quality of at least one frequency point information and the corresponding frequency of this frequency point information under each RAT.
Such as, as can be seen from above data structure, multiple frequency point information is had under the wireless access way of GERAN, be respectively CarrierFreqsGERAN1, CarrierFreqsGERAN2, the measured value of the channel quality of the corresponding frequency of frequency point information CarrierFreqsGERAN1 is with the content representation in received signal strength indicator (Received Signal Strength Indication, RSSI).Representation for the measured value of the channel quality of the corresponding frequency of frequency point information under other RAT is similar, repeats no more herein.
Step 203: according to the order that the measured value of described channel quality is descending, to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected successively.
Concrete, describedly to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected, comprise following two kinds of modes:
First kind of way:
The first step, determines the redirected set comprising at least one RAT subset, and wherein, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message.
Preferably, the measured value of the channel quality of the corresponding frequency of each frequency point information under this RAT is also comprised in described RAT subset.
Suppose, terminal receives the redirect message as shown in the data structure in step 201, the data structure of the periodic measurement result that terminal local stores as shown in step 202, by heavier directed message and periodic measurement result, determine that RAT common in redirect message and periodic measurement result is UTRA-TDD and GERAN, namely be redirected in set and comprise two RAT subsets, one of them RAT subset is the subset that utra-TDD is corresponding, another RAT subset is the subset that GERAN is corresponding, and this data structure being redirected set is as follows:
Second step, for arbitrary RAT subset, according to the order that the measured value of the channel quality of the corresponding frequency of the frequency point information comprised in this RAT subset is descending, sorts to the frequency point information comprised in this RAT subset.
Still for the redirected set that data structure in the first step represents, suppose:
For the RAT subset that GERAN is corresponding, the order that the measured value of the channel quality of the corresponding frequency of each frequency point information is descending is: the channel quality measurements of the channel quality measurements > CarrierFreqsGERAN2 of the channel quality measurements > CarrierFreqsGERAN4 of the channel quality measurements > CarrierFreqsGERAN3 of CarrierFreqsGERAN1.
For the RAT subset that UTRA-TDD is corresponding, the order that the measured value of the channel quality of the corresponding frequency of each frequency point information is descending is: the channel quality measurements of the channel quality measurements > FCN-ValueUTRA1 of FCN-ValueUTRA2.
After sorting to the frequency point information comprised in above-mentioned two RAT subsets, the data structure being redirected set is as follows:
3rd step, according to the ranking results of RAT subset intermediate-frequeney point information, utilizes the frequency point information in the corresponding RAT of this RAT subset and this RAT subset to be redirected successively.
Suppose that the redirected set after sorting is as shown in the data structure in second step, the CarrierFreqsGERAN1 that then first terminal attempts under Geran access way is redirected, if unsuccessful, then continue to attempt being redirected with the order of CarrierFreqsGERAN3, CarrierFreqsGERAN4, CarrierFreqsGERAN2.
In the process that above-mentioned trial is redirected, if when being redirected successfully for the frequency point information of under a certain wireless access way, no longer continuing to attempt being redirected, and terminate this redirection process; If still unsuccessful after traveling through above-mentioned being redirected, then can attempt being redirected according to the RAT be not included in redirect message in redirected set and frequency point information, until be redirected success or travel through complete.
The second way:
The first step, determines the redirected set comprising at least one RAT subset, and wherein, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message.
The first step is under a second technique identical with the first step under first kind of way.
Second step, sorts to all frequency point information under RAT each in redirect message respectively.
Wherein: for frequency point information all under a RAT, the frequency point information be included in RAT subset corresponding to this RAT sorts according to the measured value of the channel quality of corresponding frequency is descending, after the frequency point information be not included in RAT subset corresponding to this RAT is arranged in the frequency point information comprised in RAT subset.
Suppose, the redirected set determined in the second way is identical with the data structure of the redirected set in first kind of way, for UTRA-TDD wireless access way, periodic measurement result and the frequency point information common under UTRA-TDD of redirect message are ARFCN-ValueUTRA1 and ARFCN-ValueUTRA2, and the channel quality measurements of the channel quality measurements > FCN-ValueUTRA1 of the corresponding frequency of frequency point information ARFCN-ValueUTRA2.Frequency point information FCN-ValueUTRA3 and frequency point information FCN-ValueUTRA4 is not included in and is redirected in set, therefore, after frequency point information FCN-ValueUTRA3 and frequency point information FCN-ValueUTRA4 is arranged in frequency point information ARFCN-ValueUTRA2 and frequency point information FCN-ValueUTRA1.Now, the frequency point information sequence for UTRA-TDD wireless access way in redirect message is:
Similar for putting in order of frequency point information each under the wireless access way of other in redirect message, repeat no more herein.
3rd step, according to the ranking results of frequency point information under RAT each in redirect message, utilizes the frequency point information under this RAT and this RAT to be redirected successively.
By the scheme of the embodiment of the present invention one, when attempting carrying out redirected, the good frequency point information of prioritizing selection a certain access way lower channel quality is redirected, and improves redirected successful probability, redirected number of attempt can be reduced, and then reduce the time delay be redirected, the power consumption of terminal when reducing redirected, on the other hand, because the number of attempt be redirected reduces, therefore, terminal is redirected to corresponding network rapidly, and the expense of the signaling of network side also reduces thereupon.
Embodiment two
Based on the same idea with the embodiment of the present invention one, the embodiment of the present invention two proposes a kind of terminal equipment, as shown in Figure 3, comprising: receiver module 11, measurement result determination module 12 and redirection module 13, wherein:
Receiver module 11, for receiving redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT.
Measurement result determination module 12, for determining in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information.
Redirection module 13, for according to the descending order of the measured value of described channel quality, to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected successively.
Described redirection module 13 comprises:
First is redirected set determining unit 21, for determining the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message.
First sequencing unit 22, for for arbitrary RAT subset, according to the order that the measured value of the channel quality of the corresponding frequency of the frequency point information comprised in this RAT subset is descending, sorts to the frequency point information comprised in this RAT subset.
First is redirected unit 23, for the ranking results according to RAT subset intermediate-frequeney point information, utilizes the frequency point information in RAT corresponding to this RAT subset and this RAT subset to be redirected successively.
Embodiment three
Based on the same idea with the embodiment of the present invention one, the embodiment of the present invention three proposes a kind of terminal equipment, as shown in Figure 4, comprising: receiver module 31, measurement result determination module 32 and redirection module 33, wherein:
Receiver module 31, for receiving redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT.
Measurement result determination module 32, for determining in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information.
Redirection module 33, for according to the descending order of the measured value of described channel quality, to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected successively.
Described redirection module 33 comprises:
Second is redirected set determining unit 41, for determining the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message.
Second sequencing unit 42, for sorting to all frequency point information under RAT each in redirect message respectively, wherein, for frequency point information all under a RAT, the frequency point information be included in RAT subset corresponding to this RAT sorts according to the measured value of the channel quality of corresponding frequency is descending, after the frequency point information be not included in RAT subset corresponding to this RAT is arranged in the frequency point information comprised in described RAT subset.
Second is redirected unit 43, for the ranking results according to frequency point information under RAT each in redirect message, utilizes the frequency point information under this RAT and this RAT to be redirected successively.
Those skilled in the art should understand, the embodiment of the application can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The application describes with reference to according to the flow chart of the method for the embodiment of the present application, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (6)

1. a terminal redirecting method, is characterized in that, described method comprises:
Receive redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT;
Determine in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information;
According to the order that the measured value of described channel quality is descending, common frequency point information under common RAT and this RAT is utilized in redirect message and periodic measurement result to be redirected successively.
2. the method for claim 1, is characterized in that, before carrying out successively being redirected, described method also comprises:
Determine the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message;
To utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected, specifically comprise:
For arbitrary RAT subset, according to the order that the measured value of the channel quality of the corresponding frequency of the frequency point information comprised in this RAT subset is descending, the frequency point information comprised in this RAT subset is sorted;
According to the ranking results of RAT subset intermediate-frequeney point information, the frequency point information in RAT corresponding to this RAT subset and this RAT subset is utilized to be redirected successively.
3. the method for claim 1, is characterized in that, before carrying out successively being redirected, described method also comprises:
Determine the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message;
To utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected, specifically comprise:
Respectively all frequency point information under RAT each in redirect message are sorted, wherein, for frequency point information all under a RAT, the frequency point information be included in RAT subset corresponding to this RAT sorts according to the measured value of the channel quality of corresponding frequency is descending, after the frequency point information be not included in RAT subset corresponding to this RAT is arranged in the frequency point information comprised in described RAT subset;
According to the ranking results of frequency point information under RAT each in redirect message, the frequency point information under this RAT and this RAT is utilized to be redirected successively.
4. a terminal equipment, is characterized in that, described equipment comprises:
Receiver module, for receiving redirect message, comprising the frequency point information under the wireless access way RAT for being redirected and each RAT;
Measurement result determination module, for determining in the local periodic measurement result stored, the measured value of the channel quality of the frequency point information under RAT, this RAT of the adjacent cell of current service cell and the corresponding frequency of each frequency point information;
Redirection module, for according to the descending order of the measured value of described channel quality, to utilize in redirect message and periodic measurement result common frequency point information under common RAT and this RAT to be redirected successively.
5. equipment as claimed in claim 4, it is characterized in that, described redirection module comprises:
First is redirected set determining unit, and for determining the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message;
First sequencing unit, for for arbitrary RAT subset, according to the order that the measured value of the channel quality of the corresponding frequency of the frequency point information comprised in this RAT subset is descending, sorts to the frequency point information comprised in this RAT subset;
First is redirected unit, for the ranking results according to RAT subset intermediate-frequeney point information, utilizes the frequency point information in RAT corresponding to this RAT subset and this RAT subset to be redirected successively.
6. equipment as claimed in claim 4, it is characterized in that, described redirection module comprises:
Second is redirected set determining unit, and for determining the redirected set comprising at least one RAT subset, the frequency point information comprised in a RAT subset is: the frequency point information that periodic measurement result is common under the RAT that this RAT subset is corresponding with redirect message;
Second sequencing unit, for sorting to all frequency point information under RAT each in redirect message respectively, wherein, for frequency point information all under a RAT, the frequency point information be included in RAT subset corresponding to this RAT sorts according to the measured value of the channel quality of corresponding frequency is descending, after the frequency point information be not included in RAT subset corresponding to this RAT is arranged in the frequency point information comprised in described RAT subset;
Second is redirected unit, for the ranking results according to frequency point information under RAT each in redirect message, utilizes the frequency point information under this RAT and this RAT to be redirected successively.
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