CN101931861B - System and method for transmitting location protocol - Google Patents
System and method for transmitting location protocol Download PDFInfo
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- CN101931861B CN101931861B CN200910149467.1A CN200910149467A CN101931861B CN 101931861 B CN101931861 B CN 101931861B CN 200910149467 A CN200910149467 A CN 200910149467A CN 101931861 B CN101931861 B CN 101931861B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000005538 encapsulation Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Abstract
The invention provides a system and a method for transmitting a location protocol. The system comprises a base station, a terminal comprising a receiving module and a location protocol processing module, wherein the base station is used for sending a downlink information transmission message of which the information type is the location protocol; the receiving module is used for receiving the downlink information transmission message, and sends a location protocol data packet in the downlink information transmission message to the location protocol processing module when the information type of the downlink information transmission message is the location protocol; and the location protocol processing module is used for processing the received location protocol data packet according to the location protocol. The technical scheme can avoid the problem that the terminal misprocesses or cannot analyze the location information after receiving the location information.
Description
Technical field
The present invention relates to mobile communication system, be specifically related to a kind of system and method for transmitting location protocol.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) prior art, the processing of terminal to non-access layer information.Access layer information refers to can be at access device, for example terminal and base station side, between directly process message, the relevant message of for example RRC (radio resource control), non-access layer information refers to be transferred to the message of core-network side processing.
Because equipment of the core network and terminal equipment do not have direct interface, therefore network transmits the message of Non-Access Stratum by DLInformationTransfer (the downlink information transmission message) message of RRC protocol layer, transfer process be by core net by needs send transmission of messages to base station, then in RRC protocol layer, transmitted by DLInformationTransfer by base station.When terminal receives after DLInformationTransfer, judge according to the information type mark of this message the inside, if the non-access layer information of current system, just being given to the protocol layer of the relevant Non-Access Stratum of terminal processes, if other system, for example current system is LTE, and the system of CDMA2000 just belongs to other system so, processes with regard to the processing module that proceeds to terminal inner CDMA2000.
On the basis of LTE prior art, introduce new agreement: location protocol.Fig. 1 is the schematic diagram of location protocol.
LPP in Fig. 1 refers to the location protocol transmitting between terminal and SMLC (Serving Mobile Location Center), and in figure, RRC protocol layer and LPP protocol layer are the protocol layers of terminal processes different pieces of information bag.According to current requirement, this agreement also needs to send to terminal by DLInformationTransfer by base station.Because LPP is two message between access device, do not belong to non-access layer information, therefore after LPP message is transferred to terminal in DLInformationTransfer, according to the processing method of prior art, UE can forward the protocol layer of Non-Access Stratum to and process, and therefore will produce and process the wrong message receiving of maybe cannot resolving.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system and method for transmitting location protocol, has effectively avoided terminal to receive the wrong problem that maybe cannot resolve of processing after location protocol.
In order to address the above problem, the invention provides a kind of method of transmitting location protocol, comprise: terminal receives that the downlink information that base station sends transmits after message, if the information type that described downlink information transmits in message is location protocol, transmit the location protocol packet in message by downlink information described in described terminal processes.
Further, base station is encapsulated into downlink information by location protocol data cell and transmits message, and the information type that described downlink information transmits in message is set to send to described terminal after location protocol.
Further, described location protocol data cell is the Location Request after encapsulation;
Described Location Request is packaged into location protocol data cell by base station, or is sent to base station after becoming location protocol data cell by other entity packages.
Further, the described location protocol packet being transmitted in message by downlink information described in terminal processes refers to, processes described downlink information transmit the location protocol packet in message by the location protocol layer (LPP) of described terminal.
Further, in the following ways in downlink information transmit message represent location protocol:
In the information word (IE) of the version (release8) in downlink information transmission message, increase the field that information type is location protocol.
Further, in the following ways in downlink information transmit message represent location protocol:
In the IE of the version (release9) in downlink information transmission message, increase the field that information type is location protocol.
The present invention also provides a kind of terminal to receive the system of location protocol, comprises base station and terminal;
Message is transmitted for the downlink information that is location protocol to described terminal transmits information type in described base station;
Described terminal comprises receiver module and location protocol processing module;
Described receiver module is used for receiving described downlink information and transmits message, and the information type that transmits message when described downlink information is while being location protocol, by the location protocol Packet Generation in described downlink information transmission message to location protocol processing module;
The described location protocol packet of described location protocol processing module for receiving according to location protocol processing.
Further, message is also transmitted for location protocol data cell being encapsulated into downlink information in described base station, and the information type that described downlink information transmits in message is set to send to described terminal after location protocol.
Further, described location protocol data cell is the Location Request after encapsulation;
Described base station is also for described Location Request is packaged into location protocol data cell, or receives the location protocol data cell after encapsulation.
Further, in the following ways in downlink information transmit message represent location protocol:
In the IE of release8 in downlink information transmission message, increase the field that information type is location protocol.
Further, in the following ways in downlink information transmit message represent location protocol:
In the IE of release9 in downlink information transmission message, increase the field that information type is location protocol.
In sum, the invention provides a kind of system and method for transmitting location protocol, can avoid terminal to receive the wrong problem that maybe cannot resolve of processing after locating information.
Brief description of the drawings
Fig. 1 is the schematic diagram of location protocol;
Fig. 2 is the inventive method flow chart.
Embodiment
The invention provides a kind of system and method for transmitting location protocol, terminal receives that the downlink information of sending base station transmits after message, if the information type in message is location protocol, processes above-mentioned downlink information by the location protocol processing module of this terminal and transmit the location protocol packet in message.
Specifically describe the present invention below in conjunction with accompanying drawing by embodiment
The present embodiment provides a kind of system of transmitting location protocol, comprises base station and terminal;
When base station is used for knowing the locating information of certain terminal, location protocol data cell is encapsulated in DLInformationTransfer, and information type in DLInformationTransfer is set to send to terminal after location protocol, this DLInformationTransfer sends to terminal by radio resource control layer.
Above-mentioned location protocol data cell is the Location Request after encapsulation; Base station is also for Location Request being packaged into location protocol data cell, or receives the location protocol data cell after encapsulation.
Terminal comprises receiver module and location protocol processing module;
Receiver module is used for receiving DLInformationTransfer, and information type wherein of judgement, also in the time that information type is location protocol, by the location protocol Packet Generation in DLInformationTransfer to location protocol processing module;
The location protocol packet of location protocol processing module for receiving according to location protocol processing.
Can be, but not limited in DLInformationTransfer, represent in the following way location protocol:
(a) in the IE of release8 (version number of LTE) (Information Element, information word), increasing information type is the field of location protocol (dedicatedInfoLPP);
(b) in the IE of release9, increase the field that information type is location protocol (dedicatedInfoLPP).
The present embodiment provides a kind of method of transmitting location protocol, is illustrated in figure 2 the inventive method flow chart, comprising:
Step 201: in the time that network need to position certain specific terminal, owing to needing terminal that the information of assist location is provided, base station sends Location Request to terminal, the information that application needs.
Location protocol data cell is encapsulated into DLInformationTransfer by base station, and the information type in this DLInformationTransfer (dedicatedInfoType) is set to location protocol (dedicatedInfoLPP), and by radio resource control layer, above-mentioned DLInformationTransfer is sent to terminal.
Above-mentioned location protocol data cell is the Location Request after encapsulation, can be that Location Request is packaged into location protocol data cell by base station, can be also that in network, other entities are sent to base station after Location Request is packaged into location protocol data cell.
Step 202: terminal is received DLInformationTransfer, knows that according to information type wherein this message is location protocol, processes the location protocol packet in this message by the LPP protocol layer of terminal.
In Fig. 1, RRC protocol layer and LPP protocol layer are the protocol layers of terminal processes different pieces of information bag, and must transmit packet by RRC protocol layer between terminal and base station.Therefore, if terminal receives the LPP packet transmitting by RRC, should be, to process corresponding LPP packet by the LPP protocol layer of terminal so.
Can be, but not limited in DLInformationTransfer, represent in the following ways location protocol:
(a) in the IE of the release8 of DLInformationTransfer message, increase the field that information type is location protocol (dedicatedInfoLPP), specifically can be as shown in table 1, wherein bolded section is new content of the present invention:
Table 1:DLInformationTransfer message
| --ASN1STARTDLInformationTransfer::＝ SEQUENCE{ rrc-TransactionIdentifier RRC-TransactionIdentifier， criticalExtensions CHOICE{ cl CHOICE{ dlInformationTransfer-r8 DLInformationTransfer-r8-IEs， spare3 NULL，spare2 NULL，spare1 NULL }， criticalExtensionsFuture SEQUENCE{} } } |
| DLInformationTransfer-r8-IEs::＝ SEQUENCE{ dedicatedInfo Type CHOICE{ dedicatedInfoLPP DedicatedInfoLPP， dedicatedInfoNAS DedicatedInfoNAS， dedicatedInfoCDMA2000-1XRTT DedicatedInfoCDMA2000， dedicatedInfoCDMA2000-HRPD DedicatedInfoCDMA2000 }， nonCriticalExtension SEQUENCE{} OPTIONAL--Need OP}--ASN1Stop |
(b) in the IE of the release8 of DLInformationTransfer message, increase the field that information type is location protocol (dedicatedInfoLPP), specifically can be as shown in table 1, wherein bolded section is new content of the present invention:
Table 2:DLInformationTransfer message
| --ASN1STARTDLInformationTransfer::＝ SEQUENCE{ rrc-TransactionIdentifier RRC-TransactionIdentifier， criticalExtensions CHOICE{ cl CHOICE{ dlInformationTransfer-r8 DLInformationTransfer-r8-IEs， dlInformationTransfer-r9 DLInformationTransfer-r9-IEs， spare3 NULL，spare2 NULL，spare1 NULL }， criticalExtensionsFuture SEQUENCE{} } |
| }DLInformationTransfer-r8-IEs::＝ SEQUENCE{ dedicatedInfoType CHOICE{ dedicatedInfoNAS DedicatedInfoNAS， dedicatedInfoCDMA2000-1XRTT DedicatedInfoCDMA2000， dedicatedInfoCDMA2000-HRPD DedicatedInfoCDMA2000 }， nonCriticalExtension SEQUENCE{} OPTIONAL --Need OP}DLInformationTransfer-r9-IEs::＝ SEQUENCE{ dedicatedInfoType CHOICE{ dedicatedInfoLPP DedicatedInfoLPP， }， nonCriticalExtension SEQUENCE{} OPTIONAL --Need OP} --ASN1Stop |
Except above-mentioned two kinds of message scheme, also may have other message structure, but wherein all must comprise similar " dedicatedInfoLPP " is used to indicate the mark that information type is location protocol.
Claims (2)
1. the method for a transmitting location protocol, comprise: base station is encapsulated into downlink information by location protocol data cell and transmits message, and the information type that described downlink information transmits in message is set to send to terminal by radio resource control layer after location protocol; Terminal receives that the downlink information that base station sends transmits after message, if the information type that described downlink information transmits in message is location protocol, processes described downlink information by the location protocol layer LPP of described terminal and transmits the location protocol packet in message;
Described location protocol data cell is the Location Request after encapsulation;
Described Location Request is packaged into location protocol data cell by base station, or is sent to base station after becoming location protocol data cell by other entity packages;
In downlink information transmission message, represent in the following ways location protocol: in the information word IE of the version release8 in downlink information transmission message, increase the field that information type is location protocol; Or in transmitting the information word IE of the version release9 in message, downlink information increases the field that information type is location protocol.
2. terminal receives a system for location protocol, comprises base station and terminal; It is characterized in that:
Message is transmitted for location protocol data cell being encapsulated into downlink information in described base station, and the information type that described downlink information transmits in message is set to location protocol, the downlink information that is location protocol to described terminal transmits information type by radio resource control layer transmission message; Described location protocol data cell is the Location Request after encapsulation; Described base station is also for described Location Request is packaged into location protocol data cell, or receives the location protocol data cell after encapsulation;
Described terminal comprises receiver module and location protocol processing module;
Described receiver module is used for receiving described downlink information and transmits message, and the information type that transmits message when described downlink information is while being location protocol, by the location protocol Packet Generation in described downlink information transmission message to location protocol processing module;
The described location protocol packet of described location protocol processing module for receiving according to location protocol processing;
In downlink information transmission message, represent in the following ways location protocol:
In the information word IE of version release8 in downlink information transmission message, increase the field that information type is location protocol; Or in transmitting the information word IE of the version release9 in message, downlink information increases the field that information type is location protocol.
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| CN200910149467.1A CN101931861B (en) | 2009-06-19 | 2009-06-19 | System and method for transmitting location protocol |
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| CN102325300A (en) * | 2011-07-20 | 2012-01-18 | 中兴通讯股份有限公司 | Positioning method and system |
| CN107276824B (en) * | 2017-07-21 | 2020-08-11 | 惠州Tcl移动通信有限公司 | Method for automatically adjusting Supl protocol, storage medium and mobile terminal |
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| CN101123760A (en) * | 2006-08-11 | 2008-02-13 | 中兴通讯股份有限公司 | Implementation method for traditional group call triangle positioning in digital cluster communication system |
| CN101155419A (en) * | 2007-07-02 | 2008-04-02 | 重庆邮电大学 | TD-SCDMA mobile phone terminal and location processing method supporting AGPS |
| CN101400103A (en) * | 2007-09-28 | 2009-04-01 | 大唐移动通信设备有限公司 | Method, system and device for positioning mobile terminal |
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| US7123928B2 (en) * | 2003-07-21 | 2006-10-17 | Qualcomm Incorporated | Method and apparatus for creating and using a base station almanac for position determination |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123760A (en) * | 2006-08-11 | 2008-02-13 | 中兴通讯股份有限公司 | Implementation method for traditional group call triangle positioning in digital cluster communication system |
| CN101155419A (en) * | 2007-07-02 | 2008-04-02 | 重庆邮电大学 | TD-SCDMA mobile phone terminal and location processing method supporting AGPS |
| CN101400103A (en) * | 2007-09-28 | 2009-04-01 | 大唐移动通信设备有限公司 | Method, system and device for positioning mobile terminal |
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