CN100466817C - Wimax system information processing method and system, switching judging method - Google Patents
Wimax system information processing method and system, switching judging method Download PDFInfo
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Abstract
The invention relates to a method for treating message in Wimax system, one relative system and one switch method, wherein said message treatment comprises: obtain the chain information of nearby base station; marking the chain information; uploading the marked chain information. The invention can improve the effectiveness of wireless resource manage physical layer parameter, to be used as the base to switch target base station and optimize switch judgment.
Description
Technical field
The present invention relates to wireless communication technology, particularly relate to the method for information processing method and system in WIMAX (WorldwideInteroperability for Microwave Access, the micro-wave access global inter communication) system, switching judging.
Background technology
In the WIMAX network, ASN (Access service network, access service network) utilizes RRM (Radio Resources Management, RRM) to increase the validity and the network capabilities of Radio Resource.RRM is mainly used to the judgement that auxiliary ASN switches MS (Mobile Station, travelling carriage).
The functional entity of RRM can be divided into RRA (Radio Resource Agent, radio resource agent) and RRC (Radio Resource Controller, radio resource controller).
The information that the effect of RRA is the measurement that triggers Radio Resource, allow other entities among the BS (Base station, base station) obtain wireless resource information, measurement report is given RRC and received contiguous BS from RRC.
The effect of RRC is that the Radio Resource of managing with it related RRA collection, holding the zone uses database, request measurement report, collects the wireless resource information of other functional entitys of ASN inside and the information of downloading contiguous BS to RRA.
The network reference model of RRM is according to the difference of the configuration (Profile) of WIMAX and difference.Substantially have two kinds: Profile A and Profile C, in Profile A, the network reference model of RRM can be consulted Fig. 1.RRA is arranged in BS in this network reference model, and RRC then is arranged in ASN-GW (wireless access gateway).
In Profile C, the reference model of RRM can be consulted Fig. 2.All in BS, communication must be by ASN-GW between the BS for RRA and RRC in this network reference model, and promptly BS can not directly communicate.If will communicate between RRC and the RRC, must carry out transfer by the RRM-Relay (continuous in the RRM) of ASN-GW so.Its effect is exactly the communication information of delivering between BS and the RRC.
In Profile A, RRM has three kinds of primitive: 1) the idle capability request of each base station and report (Per-BS Spare Capacity Request and Report); 2) resource status of neighbours base station upgrades (Neighbor BS Resource Status update); 3) the physical layer parameter request of each travelling carriage and report (Per-MS PHY Parameters Request and Report).
Wherein, second primitive resource status of the neighbours base station " upgrade " the vacant ability information that is used for the BS that RRC obtains it reports to the BS that it is controlled.Serving BS broadcasts is received this message, and it is sent to MS.MS knows BS of its vicinity and the resource situation of these BS by these information, thereby these BS are scanned, the candidate target BS when determining to switch.
Consult Fig. 3, adopt above-mentioned network reference model and the 3rd primitive, above-mentioned RRC is as follows to the idiographic flow of the resource status updating message of RRA transmission neighbours base station: RRC sends the resource status updating message of a neighbours base station to BS, and this message comprises the adjacent objects BS identification list of this BS and the resource state information of these BS.After BS receives this message, these information are sent to MS by idle message.When switching, MS in determining the process of target BS, with the above-mentioned parameter of the neighbours BS that receives as selecting foundation.The resource status updating message of this neighbours base station defines as shown in Table 1:
| The information element name | Value | Describe | Necessary/optional M/O |
| Event type | The physical layer report | Event type | M |
| N neighbours | 8 | Serving BS broadcasts is included in the number of neighbours BS in the MOB_NBR-ADV message | M |
| For (j=0; J＜neighbours' quantity; J++) | |||
| Neighbours' Base Station Identification | Base Station Identification (being lower than 24)) | Base Station Identification (being lower than 24) | M |
| Down link can utilize Radio Resource | The percentage of the Radio Resource of available down link: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | The percentage of the Radio Resource of available down link | M |
| Up link can be utilized Radio Resource | Up link can be utilized Radio Resource: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | Up link can be utilized Radio Resource | M |
| The down channel descriptor | 4 | Neighbours base station current downlink channel is described | O |
| The configuration change number | What accord with the configuration change number hangs down four | ||
| Upstream channel descriptor configuration change number | 4 | The current upstream channel descriptor configuration change of neighbours BS number low four | O |
Table one
Table one comprises the tabulation of contiguous BS, and the up-downgoing usable radio resources of these BS and other information.BS sends to MS with these information, and MS is known the resource situation of its BS of vicinity, thereby these BS are scanned, the candidate BS when determining to switch.
More than, it is which kind of Radio Resource of contiguous BS that the resource status updating message that RRC is sent to the neighbours base station of RRA in the prior art is not indicated described message.Because a type of the vacant resource (Spare Capacity) that is BS of the usable radio resources in the message, when occurring the vacant resource of BS of other types in the message, BS can't tell the resource which kind of type is these resources are, therefore can not assist MS to carry out handover operation etc.; In addition, BS can't tell these resources and cause this message not have autgmentability, and this message may also need to report other vacant resource of contiguous BS.
Summary of the invention
The technical problem to be solved in the present invention provides the method that a kind of Wimax system information that improves base station resolution resource state information ability is handled.
The technical problem to be solved in the present invention is that a kind of method of switching judging in the Wimax system that improves the handover operation feasibility also is provided.
The technical problem to be solved in the present invention is and a kind of Wimax system information treatment system that improves base station resolution resource state information ability is provided.
For solving above-mentioned first technical problem, the objective of the invention is to be achieved through the following technical solutions: the method that provides a kind of Wimax system information to handle comprises step: A, obtain neighbours' base station resource state information of travelling carriage serving BS; B, be described resource state information type sign; C, transmit the resource state information of mark to travelling carriage.
Among the step B, in the resource state information of neighbours base station, increase type identification with markup resources state information type.
Among the step C, on the basis of whole neighbours' base station resource state informations of resource state information of the same type, increase type identification with this species resource state information type of mark.
Described steps A is specially obtains the current neighbours' base station resource state information that is in the travelling carriage serving BS of state of activation.
For solving above-mentioned second technical problem, the objective of the invention is to be achieved through the following technical solutions: provide a kind of in the Wimax system method of switching judging, comprise step: A, obtain neighbours' base station resource state information of travelling carriage serving BS; B, be described resource state information type sign; C, transmit the resource state information of mark to travelling carriage; D, the neighbours base station is scanned the target BS when determining to switch according to the resource state information of described mark.
Among the step B, in the resource state information of neighbours base station, increase type identification with markup resources state information type.
Among the step C, on the basis of whole neighbours' base station resource state informations of resource state information of the same type, increase type identification with this species resource state information type of mark.
Described steps A is specially obtains the current neighbours' base station resource state information that is in the travelling carriage serving BS of state of activation.
For solving above-mentioned the 3rd technical problem, the objective of the invention is to be achieved through the following technical solutions: a kind of Wimax system information treatment system is provided, comprise the radio resource controller of the neighbours' base station resource state information that is used to obtain the travelling carriage serving BS and the travelling carriage that receives described neighbours' base station resource state information, it is characterized in that, also comprise the information flag module, be used for before receiving described information, being described resource state information type sign.
Described information flag module is that the resource state information that is used in the neighbours base station increases type identification with markup resources state information type.
Described information flag module is to be used for increasing type identification with this species resource state information type of mark on the basis of whole neighbours' base station resource state informations of resource state information of the same type.
Also comprise radio resource agent, the neighbours' base station resource state information of travelling carriage serving BS that is used to transmit described mark is to described travelling carriage.
More than first technical scheme as can be seen, can't distinguish the technical problem of neighbours' base station resource state information resource type with respect to the prior art radio resource agent, because the present invention is each neighbours' base station resource state information mark respective resources type identification in the resource status updating message of the neighbours base station of radio resource controller transmission radio resource agent.When radio resource agent is received this message,, therefore know which kind of resource type certain resource state information in this message belongs to owing to comprise the resource type sign of this base station in neighbours' base station resource state information.Improve base station resolution resource state information ability, and make this message possess autgmentability.
More than second technical scheme as can be seen, can't distinguish various resource state informations in neighbours' base station resource state updating message with respect to the prior art radio resource agent and cause can't the auxiliary moving platform carrying out the technical problem of handover operation, because the present invention is neighbours' base station resource state information mark respective resources type identification in the resource status updating message of the neighbours base station of radio resource controller transmission radio resource agent.When radio resource agent is received this message,, therefore know which kind of resource type certain resource state information in this message belongs to owing to comprise the resource type sign of this base station in neighbours' base station resource state information.When MS needs base station shifting, according to resource status the base station of neighbours' station list in this message is scanned, the base station that the MS resource requirement is satisfied in selection, thus determine candidate target base station, guarantee the feasibility and the accuracy of handover operation, and make this message possess autgmentability.
More than the 3rd technical scheme as can be seen, can't distinguish various resource state informations in neighbours' base station resource state updating message with respect to the prior art radio resource agent and cause can't the auxiliary moving platform carrying out the technical problem of handover operation, because Wimax system information treatment system of the present invention transmits in neighbours' base station resource state updating message of radio resource agent at radio resource controller, adopts information flag module mark resource status type identification in described neighbours' base station resource state information.Make radio resource agent can distinguish the resource state information in this message, improve base station resolution resource state information ability, and make this message possess autgmentability.
Description of drawings
Fig. 1 is a kind of theory diagram of prior art RRM network reference model;
Fig. 2 is the theory diagram of another kind of prior art RRM network reference model;
Fig. 3 is a kind of prior art RRC transmits a flow chart from the resource status updating message of neighbours base station to RRA;
Fig. 4 is the method for the present invention's switching judging in the Wimax system and the method flow diagram that the Wimax system information is handled;
Fig. 5 is the system principle diagram that Wimax system information of the present invention is handled.
Embodiment
Cardinal principle of the present invention is: in the message of the resource status renewal of RRA transmission neighbours base station, is the resource type sign of each this information of neighbours BS resource state information mark at RRC.The type identification of every resource state information of each neighbours BS can be different, and promptly same message can comprise the different resource type of different neighbours BS; The resource state information that comprises in also can a plurality of neighbours BS resource status message is same type; Perhaps the resource state information that comprises in neighbours BS resource status message is same type.When RRA receives this message, just know the resource state information in the resource status updating message of neighbours base station is to belong to which kind of resource type.When MS initiates to switch, need to determine the candidate list of a target BS.The resource status updating message of above-mentioned neighbours base station can be used as the foundation of select target BS.
In order to make the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is further elaborated.
Consult Fig. 4, the method that Wimax system information of the present invention is handled comprises step:
A, obtain neighbours' base station resource state information 102 of travelling carriage serving BS;
RRC regularly obtains current neighbours BS tabulation and the resource state information thereof that is in the MS serving BS of state of activation, is used for the switching reference frame of these MS.
B, be described resource state information mark sign 103;
After RRC obtains the neighbours BS resource state information of current MS serving BS tabulation that is in state of activation and described MS, form the resource status updating message of neighbours base station, described message content can be with reference to following table:
| The information element name | Value | Describe | Necessary/optional M/O |
| Event type | The physical layer report | Event type | M |
| N neighbours | 8 | Serving BS broadcasts is included in the number of neighbours BS in the MOB_NBR-ADV message | M |
| For (j=0; J＜neighbours' quantity; J++) | |||
| Neighbours' Base Station Identification | Base Station Identification (being lower than 24)) | Base Station Identification (being lower than 24) | M |
| Resource type sign (Type ofthe report) | Forward compatibility: the spatial domain ability of the other types after making in the version can be by report (Forward compatibility:To allow for other types of spare | M |
| capacity?reports?in?future release.-“type-1”refers?to “Available?radio?resource indicator”) | |||
| Down link can utilize Radio Resource | The percentage of the Radio Resource of available down link: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | The percentage of the Radio Resource of available down link | M |
| Up link can be utilized Radio Resource | Up link can be utilized Radio Resource: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | Up link can be utilized Radio Resource | M |
| The down channel descriptor configuration changes number | 4 | Neighbours base station current downlink channel descriptor configuration changes low four of number | O |
| Upstream channel descriptor configuration change number | 4 | The current upstream channel descriptor configuration change of neighbours BS number low four | O |
Table two
In the table two, the information element name is the current neighbours' base station number that is in the MS serving BS of state of activation of " N neighbours " expression.Be the described current neighbours BS resource state information that is in the MS serving BS of state of activation, comprise that neighbours BS down link can utilize Radio Resource, neighbours BS up link can utilize Radio Resource, neighbours BS down channel descriptor configuration to change number, neighbours BS upstream channel descriptor configuration change number thereafter.The present invention is each neighbours BS resource state information mark respective identification in the neighbours BS resource state information of the current MS serving BS that is in state of activation.Be in each neighbours BS base station resource state information, to increase resource type sign (Type of the report) field on present embodiment is concrete, be used to refer to the resource type of this BS that comprises in this message, make RRA can distinguish the resource type of each bar neighbours BS resource state information.
C, transmit the resource state information of mark to travelling carriage 104.
After the resource status updating message that forms the neighbours base station, RRC transmits the RRA of described message in the serving BS broadcasts, and RRA identifies the resource type of the resource state information that comprises in this message, again this transfer of messages MS, with the foundation as selection switching target BS.
From as can be seen above, can't distinguish the technical problem of each neighbours BS resource state information resource type with respect to prior art RRA, the present invention is described each neighbours BS resource state information markup resources type identification in the resource status updating message of the neighbours base station of RRC transmission RRA.When RRA receives this message,, therefore know which kind of resource type certain resource state information in this message belongs to owing to all comprise the resource type sign of this BS in each neighbours BS resource state information.Therefore the present invention improves the validity of the resource status updating message of neighbours base station, makes it become the basis that MS determines switching target BS, and improves base station resolution resource state information ability.The present invention also increases the autgmentability of this message, because can add other species resource state informations in this message, owing to these resource state informations equally are labeled, so RRA equally can discern these resource state informations.
The method of the present invention's switching judging in the Wimax system is based on the method for above-mentioned Wimax system information processing, increases following steps:
E, need to judge whether to switch, then enter 106 as needs, otherwise finish 105;
When MS need switch to the neighbours BS of vacant resource abundance, enter step F, otherwise finish to judge flow process, do not need BS is switched.
F, the neighbours base station is scanned the target BS 106 when determining to switch according to described resource state information.
When MS need switch BS and when receiving the resource status updating message of the neighbours base station that RRA sends on the serving BS broadcasts, according to resource status to the neighbours BS in this message tabulation screen, select to satisfy the BS of MS resource requirement, thereby determine candidate target BS.
From as can be seen above, can't distinguish the technical problem of each neighbours BS resource state information resource type with respect to prior art RRA, the present invention is described each neighbours BS resource state information markup resources type identification in the resource status updating message of the neighbours base station of RRC transmission RRA.When RRA receives this message,, therefore know which kind of resource type certain resource state information in this message belongs to owing to comprise the resource type sign of this BS in the neighbours BS resource state information.When MS need switch BS, the BS to neighbours BS tabulation in this message scanned according to resource status, selects to satisfy the BS of MS resource requirement, thereby determined candidate target BS, guaranteed the feasibility and the accuracy of handover operation, and made this message possess autgmentability.
The method that makes RRA can distinguish resource state information in the resource status updating message of neighbours base station can also comprise: the whole neighbours BS information outside at similar resource state information increases the respective type sign with this species resource state information of mark, if the resource status in promptly whole neighbours BS information all belongs to same type, the field " Type of the report " that then will be used to refer to resource type is placed on the outside of contiguous BS information, as total field; Perhaps, if the resource state information that comprises in neighbours BS resource status message is same type, then increase respective type sign with this species resource state information of mark in this neighbours BS information outside.Neighbours' base station resource state updating message in above-mentioned two kinds of methods can be consulted table three:
| The information element name | Value | Describe | Necessary/optional M/O |
| Event type | The physical layer report | Event type | M |
| Resource type sign (Type ofthe report) | Forward compatibility: the spatial domain ability of the other types after making in the version can be by report (Forward compatibility:To allow for other types of spare capacity reports in future release.-" type-1 " refers to " Available radio resource indicator ") | M | |
| N neighbours | 8 | Serving BS broadcasts is included in the number of neighbours BS in the MOB_NBR-ADV message | M |
| For (j=0; J＜neighbours' quantity; J++) | |||
| Neighbours' Base Station Identification | Base Station Identification (being lower than 24)) | Base Station Identification (being lower than 24) | M |
| Down link can utilize Radio Resource | The percentage of the Radio Resource of available down link: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | The percentage of the Radio Resource of available down link | M |
| Up link can be utilized Radio Resource | Up link can be utilized Radio Resource: 0x00:0% 0x01:1% ..., 0x64:100% 0x65-0xFE: keep | Up link can be utilized Radio Resource | M |
| The down channel descriptor configuration changes number | 4 | Neighbours base station current downlink channel descriptor configuration changes low four of number | O |
| Upstream channel descriptor configuration change number | 4 | The current upstream channel descriptor configuration change of neighbours BS number low four | O |
Table three
In the table three, " resource type sign " field is placed between " event type " and " N neighbours " field.At other execution modes, can be placed on " N neighbours " field after.Above-mentioned two kinds of methods are the same to realize the object of the invention.
Consult Fig. 5, the present invention also provides a kind of Wimax system information treatment system that realizes said method.Described system comprises travelling carriage, radio resource agent, radio resource controller and information flag module.
On concrete, described radio resource agent radio resource controller constitutes the RRM functional entity, assists ASN to increase the validity and the network capabilities of Radio Resource.RRA is used for triggering the measurement of Radio Resource, the information that allows other entities of BS obtain wireless resource information, measurement report is uploaded RRC and received contiguous BS from RRC.The Radio Resource that RRC is used to manage with it related RRA collection, hold the zone uses the resource status updating message of database, request neighbours base station, the wireless resource information of other functional entitys of collecting ASN inside and the information of downloading contiguous BS to RRA.
In the present embodiment, RRA is positioned at BS, and RRC then is positioned at ASN-GW.RRC forms the resource status updating message of neighbours base station and sends RRA in the serving BS broadcasts to.Described message comprises current neighbours BS tabulation and the resource state information thereof that is in the MS serving BS broadcasts of state of activation.
Described information flag module is the part of RRC/ASN, also can be independent module in other embodiments, and it is used for being neighbours BS resource state information mark respective resources type identification before RRC transmits the resource status updating message of described neighbours base station.The method of information flag module marks resource type sign is to increase the respective resources type identification with the various resource state informations of mark in each neighbours BS resource state information.
After RRA receives the resource status updating message of described neighbours base station, when described MS need switch BS, carry out the BS handover operation.Described MS screens neighbours BS according to described message, and definite target BS of switching is also switched; Otherwise BS is not switched.
As can be seen from the above, Wimax system information treatment system of the present invention adopts the information flag module to transmit in neighbours' base station resource state updating message of RRA at RRC, adopts information flag module mark resource status type identification in described neighbours BS resource state information.Make RRA can distinguish the resource state information in this message.When needs switched BS, RRC scanned according to the BS of the neighbours BS resource state information in the described message to BS tabulation in the message, thereby determines switching target BS, guarantees the feasibility and the accuracy of handover operation, and makes this message possess autgmentability.
More than the method for information processing method provided by the present invention and system, switching judging is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. the method that the Wimax system information is handled is characterized in that, comprises step:
A, obtain neighbours' base station resource state information of travelling carriage serving BS;
B, be described resource state information type sign;
C, transmit the resource state information of mark to travelling carriage.
2. the method that Wimax system information according to claim 1 is handled is characterized in that, among the step B, increases type identification with markup resources state information type in the resource state information of neighbours base station.
3. the method that Wimax system information according to claim 1 and 2 is handled, it is characterized in that, among the step B, on the basis of whole neighbours' base station resource state informations of resource state information of the same type, increase type identification with this species resource state information type of mark.
4. the method that Wimax system information according to claim 1 and 2 is handled is characterized in that described steps A is specially obtains the current neighbours' base station resource state information that is in the travelling carriage serving BS of state of activation.
5. the method that Wimax system information according to claim 1 and 2 is handled is characterized in that, step C is specially through radio resource agent and transmits the resource state information of mark to travelling carriage.
6. the method for a switching judging in the Wimax system is characterized in that, comprises step:
A, obtain neighbours' base station resource state information of travelling carriage serving BS;
B, be described resource state information type sign;
C, transmit the resource state information of mark to travelling carriage;
D, the neighbours base station is scanned the target BS when determining to switch according to the resource state information of described mark.
7. according to claim 6 in the Wimax system method of switching judging, it is characterized in that, among the step B, in the resource state information of neighbours base station, increase type identification with markup resources state information type.
According to claim 6 or 7 described in the Wimax system method of switching judging, it is characterized in that, among the step B, on the basis of whole neighbours' base station resource state informations of resource state information of the same type, increase type identification with this species resource state information type of mark.
According to claim 6 or 7 described in the Wimax system method of switching judging, it is characterized in that described steps A is specially obtains the current neighbours' base station resource state information that is in the travelling carriage serving BS of state of activation.
10. Wimax system information treatment system, comprise the radio resource controller of the neighbours' base station resource state information that is used to obtain the travelling carriage serving BS and the travelling carriage that receives described neighbours' base station resource state information, it is characterized in that, also comprise the information flag module, be used for before receiving described information, being described resource state information type sign.
11. Wimax system information treatment system according to claim 10 is characterized in that, described information flag module is that the resource state information that is used in the neighbours base station increases type identification with markup resources state information type.
12. according to claim 10 or 11 described Wimax system information treatment systems, it is characterized in that described information flag module is to be used for increasing type identification with this species resource state information type of mark on the basis of whole neighbours' base station resource state informations of resource state information of the same type.
13., it is characterized in that according to each described Wimax system information treatment system of claim 10 to 11, also comprise radio resource agent, being used to transmit, neighbours' base station resource state information of the travelling carriage serving BS of mark arrives described travelling carriage.
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| CN103945431B (en) * | 2013-01-17 | 2018-04-17 | 电信科学技术研究院 | A kind of method and device for carrying out network control |
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| US20030083070A1 (en) * | 2001-10-30 | 2003-05-01 | Ntt Docomo, Inc. | Mobile station, mobile communication system, handover control method, handover control program and recording medium |
| CN1722892A (en) * | 2004-07-13 | 2006-01-18 | 中兴通讯股份有限公司 | Method of carrier frequency resource configuration and carrier frequency state information report |
| CN1735221A (en) * | 2004-08-02 | 2006-02-15 | 中兴通讯股份有限公司 | Carrier frequency collocation of multi-carrier frequency cell and method for reporting carrier frequency resource state information |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030083070A1 (en) * | 2001-10-30 | 2003-05-01 | Ntt Docomo, Inc. | Mobile station, mobile communication system, handover control method, handover control program and recording medium |
| CN1722892A (en) * | 2004-07-13 | 2006-01-18 | 中兴通讯股份有限公司 | Method of carrier frequency resource configuration and carrier frequency state information report |
| CN1735221A (en) * | 2004-08-02 | 2006-02-15 | 中兴通讯股份有限公司 | Carrier frequency collocation of multi-carrier frequency cell and method for reporting carrier frequency resource state information |
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