CN101924987B - Method and system for realizing positioning service in long-term evolution network - Google Patents
Method and system for realizing positioning service in long-term evolution network Download PDFInfo
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- CN101924987B CN101924987B CN200910203680.6A CN200910203680A CN101924987B CN 101924987 B CN101924987 B CN 101924987B CN 200910203680 A CN200910203680 A CN 200910203680A CN 101924987 B CN101924987 B CN 101924987B
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- information
- ulinformationtransfer
- transfer message
- positioning service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Abstract
The invention provides a method for realizing positioning service in a long-term evolution network, which comprises the following steps of: sending an UL (Uplink) information transfer message to an evolution base station eNB by a terminal, wherein positioning information and type indication information are carried, and the type indication information is used for indicating the positioning information to be used for the positioning service; receiving the UL information transfer message by the evolution base station eNB, and carrying out positioning service processing on the positioning information after indentifying that the positioning information is used for the positioning service. The method and the system for realizing the positioning service can realize the function of the positioning service in LTE (Long-Term Evolution).
Description
Technical field
The present invention relates to moving communicating field, relate more specifically to positioning service implementation method and system in LTE.
Background technology
At present mobile communication technology is faced with provides higher data rate, provides the problem of better covering and larger capacity for network for user.
In order to address the above problem, 3GPP (3rd Generation Partnership Project, third generation partner program) in December, 2004, started wireless access network Long Term Evolution project LTE, access technology E-UTRA (the Evolved-UTRA of evolution, the UTRA of evolution) and the access network E-UTRAN (Evolved-UTRAN of evolution, the UTRAN of evolution), and towards the packet domain core network evolution items SAE of all-IP, wish by evolve and enhancing from wave point to core network, for operator and the ever-increasing demand of user provide better support, 10 years from now on even longer time, remain on the technology first-strike advantage of moving communicating field always.
Access layer information refers to can be at access device, for example terminal and base station side, between the message directly processed, the relevant message of radio resource control RRC for example, non-access layer information refers to be transferred to the message that core-network side is processed.Because equipment of the core network and terminal equipment do not have direct interface, in LTE, terminal is transmitted the message of Non-Access Stratum by " ULInformationTransfer " message of RRC protocol layer.UE is filled into the message content that need to be transferred to core net in ULInformationTransfer message field, by RRC agreement, ULInformationTransfer message is sent to base station, then by base station, passes to core net.When core net receives after ULInformationTransfer, according to the information type sign of this message the inside, judge, if the non-access layer information of current system, with regard to being given to the protocol layer of the relevant Non-Access Stratum of network, process, if other system, for example current system is LTE (LongTerm Evolution, Long Term Evolution project), the system of CDMA2000 just belongs to other system so, is just given to other system and processes.
Positioning service (LCS, LoCation Services) is a kind of novel value-added service that mobile radio communication provides.This business obtains the positional information (longitude and latitude, translational speed etc.) of travelling carriage by wireless location technology, offer user, mobile communication network or other external entity, realizes the various business relevant to position.
Terminal can be passed through the measurement to Serving cell or neighbor cell, or by built-in locating module, satellite-signal is measured, to obtain for calculating the data of this terminal current location.For support location service, on the basis of LTE prior art, introduced new agreement: location protocol LPP (LTEPositioning Protocol, LTE location protocol).Exist at present two kinds of possible LPP host-host protocol frameworks all to relate to location protocol unit, LPP1, refers to the location protocol unit transmitting between terminal and base station as shown in Figure 1.According to current requirement, this agreement also needs, by the ULInformationTransfer message of RRC (RadioResource Control, Radio Resource is controlled) agreement, by terminal transmission relevant information, to send to base station.
Because LPP is two message between access device, do not belong to non-access layer information, do not belong to other system message yet.According to current ULInformationTransfer message parse above, when location protocol unit need to transmit in ULInformationTransfer, according to prior art, cannot process.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of positioning service implementation method and system, to realize positioning service function in LTE.
For solving above technical problem, the invention provides a kind of positioning service in long-term evolution network implementation method, described method comprises:
Terminal sends UL information transfer message ULInformationTransfer to evolution base station eNB, wherein carries locating information and type indication information, and described type indication information is used to indicate described locating information for positioning service;
Described evolution base station eNB receives described UL information transfer message, identify described locating information for positioning service after, according to described locating information, position Business Processing.
Further, described type indication information embodies by protocol fields or information type.
Further, described locating information is encapsulated in location protocol data cell LPP PDU.
Further, described UL information transfer message sends to described evolution base station eNB by Dedicated Control Channel.
For solving the problems of the technologies described above, the present invention also provides a kind of positioning service in long-term evolution network to realize system, comprises interconnective terminal and evolution base station eNB, wherein:
Described terminal, for send UL information transfer message ULInformationTransfer to base station, wherein carries locating information and type indication information, and described type indication information is in order to indicate this locating information for positioning service;
Described evolution base station eNB, for receiving described UL information transfer message, identifies described locating information for positioning service, also for positioning Business Processing according to described locating information.
Further, described locating information is encapsulated in location protocol data cell LPP PDU.
Further, described type indication information embodies by protocol fields or information type.
Further, described UL information transfer message is that terminal under connected state sends to described evolution base station eNB by Dedicated Control Channel.
For solving the problems of the technologies described above, the present invention also provides another kind of positioning service in long-term evolution network implementation method, and described method comprises:
Terminal sends UL information transfer message ULInformationTransfer to evolution base station eNB, wherein encapsulate location protocol data cell LPP PDU and type indication information, described LPP PDU encapsulation locating information, described type indication information embodies by protocol fields or information type, is used to indicate described LPP PDU for positioning service;
Described evolution base station eNB receives described UL information transfer message, identify described LPP PDU for positioning service after, according to described LPP PDU, position Business Processing.
For solving the problems of the technologies described above, the present invention also provides another kind of positioning service in long-term evolution network to realize system, comprises interconnective terminal and evolution base station eNB, wherein:
Described terminal, for send UL information transfer message ULInformationTransfer to base station, wherein encapsulate location protocol data cell LPP PDU and type indication information, described LPP PDU encapsulation locating information, described type indication information embodies by protocol fields or information type, is used to indicate described LPP PDU for positioning service;
Described evolution base station eNB, for receiving described UL information transfer message, identifies described LPP PDU for positioning service according to described type indication information, also for positioning Business Processing according to described LPP PDU.
Compared to prior art, the inventive method and system are by the existing RRC agreement of expansion, utilize existing UL information transfer message ULInformationTransfer to send locating information, and indicate this information for positioning service, make network side can identify and can process in time, thereby in LTE, realize positioning service function.
Accompanying drawing explanation
Fig. 1 is that LPP transmits possible protocol frame figure.
Fig. 2 is the schematic diagram of positioning service implementation method of the present invention.
Embodiment
The main thought of positioning service implementation method of the present invention and system is that terminal is sent locating information and indicates this information type to network side by UL information transfer message, so that network side can correctly resolve and process.
Positioning service implementation method of the present invention, as shown in Figure 2, comprising:
Step 201: terminal sends UL information transfer message to eNB (Evolved NodeB, evolution base station), wherein carries locating information and type indication information, and described type indication information is used to indicate described locating information for positioning service;
According to network location request or position fixing process, as needs such as location surveys, UE need to provide, feed back locating information to network; UE is packaged into location protocol data cell LPP PDU by locating information and LPP PDU is encapsulated in UL information transfer message ULInformationTransfer, and type indication information embodies by protocol fields or information type.
Step 202: described evolution base station eNB receives described UL information transfer message ULInformationTransfer, according to described type indication information identify described locating information for positioning service after, according to described locating information, position Business Processing.
Terminal sends ULInformationTransfer message to eNB by Dedicated Control Channel, eNB receives after ULInformationTransfer, judgement protocol Data Unit PDU is wherein for positioning service, and the location protocol data cell of transmitting in this message is processed to location protocol layer.
In LTE, in order to support location, introduce location protocol LPP.The framework map that may adopt from transmission LPP agreement discussed above is seen, needs transmitting location protocol unit between UE and E-UTRAN.From the overall angle of LTE compressed structure, reduction complexity, should utilize as much as possible existing protocol message to transmit LPP PDU.Consider in the RRC agreement of current LTE, UL information transfer message ULInformationTransfer, be mainly used in UE and transmit Non-Access Stratum, CDMA2000 information to E-UTRAN, can expand this message, for UE, transmit the LPP PDU of location protocol unit to E-UTRAN.
In RRC agreement, ULInformationTransfer message structure is as follows:
ULInformation Transfer
--ASN1START
ULInformationTransfer::= SEQUENCE{
criticalExtensions CHOICE{
c1 HOICE {
ulIngormationTransfer-r8 ULInformationTransfer-r8-IEs,
spare3 NULL,spare2 NULL,spare1 NULL
},
criticalExtensionsFuture SEQUENCE{}
}
}
ULInformationTransfer-r8-IEs::= SEQUENCE{
dedicatedInformationType CHOICE{
dedicatedInfoNAS DedicatedInfoNAS,
dedicatedInfoCDMA2000-1XRTT DedicatedInfoCDMA2000,
dedicatedInfoCDMA2000-HRPD DedicatedInfoCDMA2000
},
nonCriticalExtension SEQUENCE{}
OPTIONAL
}
--ASN1STOP
When the UE of connected state need to transmit non-access layer information to E-UTRAN, type of message dedicatedInformationType is set is DedicatedInfoNAS and fill in message elements, by Dedicated Control Channel, transmits corresponding non-access layer information to network;
When the UE of connected state need to transmit CDMA2000-1XRTT/dedicatedInfoCDMA2000-HRPD message to E-UTRAN, type of message dedicatedInformationType is set is DedicatedInfoCDMA2000 and fill in message elements, by Dedicated Control Channel, transmits corresponding CDMA2000 message to network;
LTE location protocol LPP, neither belongs to non-access layer information, does not also belong to CDMA2000 message between system, in current ULInformationTransfer message, cannot process, and needs expansion.
Terminal is when transmitting location protocol data cell by UL information transfer message (ULInformationTransfer), adopt the said type indication information of the present invention can avoid the processing of base station mistake maybe cannot resolve the message content receiving, below two of UL information transfer message ULInformationTransfer of the present invention kinds of implementations are described, wherein tiltedly runic is that the present invention increases field:
Scheme one: to increase a kind of dedicatedInformationType type be DedicatedInfoLPP and fill location protocol data cell:
ULInformationTransfer
--ASN1START
ULInformationTransfer::= SEQUENCE{
criticalExtensions CHOICE{
c1 CHOICE{
ulInformationTransfer-r8 ULInformationTransfer-r8-IEs,
spare3 NULL,spare2 NULL,spare 1NULL
},
criticalExtensionsFuture SEQUENCE{}
}
}
ULInformationTransfer-r8-IEs::= SEQUENCE{
dedicatedInformationType CHOICE{
dedicatedInfoNAS DedicatedInfoNAS,
dedicatedInfoCDMA2000-1XRTT DedicatedInfoCDMA2000,
dedicatedInfoCDMA2000-HRPD DedicatedInfoCDMA2000,
dedicatedInfoLPP DedicatedInfoLPP,
},
nonCriticalExtension SEQUENCE{}
OPTIONAL
}
--ASN1STOP
Scheme two: newly-increased protocol fields ulInformationTransfer-r9, fills location protocol data cell in the DedicatedInfoLPP of ULInformationTransfer-r9-IEs:
ULInformation Transfer
--ASN1START
ULInformationTransfer::= SEQUENCE{
criticalExtensions CHOICE{
c1 CHOICE{
ulInformationTransfer-r8 ULInformationTransfer-r8-IEs,
ulInformation Transfer-r9 ULInformation Transfer-r9-IEs,
spare2NULL,spare1 NULL
},
criticalExtensionsFuture SEQUENCE{}
}
}
ULInformationTransfer-r8-IEs::= SEQUENCE{
dedicatedInformationType CHOICE{
dedicatedInfoNAS DedicatedInfoNAS,
dedicatedInfoCDMA2000-1XRTT DedicatedInfoCDMA2000,
dedicatedInfoCDMA2000-HRPD DedicatedInfoCDMA2000
},
nonCriticalExtension SEQUENCE{}
OPTIONAL
}
ULInformation Transfer-r9-IEs::=SEQUENCE{
dedicatedInfo Type CHOICE{
dedicatedInfoLPP DedicatedInfoLPP
},
nonCriticalExtension SEQUENCE {}
OPTIONAL--Need OP
}
--ASN1STOP
For realizing above method, the present invention also provides a kind of operation system, comprises interconnective terminal and evolution base station eNB, wherein,
Described terminal, for send UL information transfer message to base station, wherein carries locating information and type indication information, and described type indication information is in order to indicate this locating information for positioning service;
UE is packaged into location protocol data cell LPP PDU by locating information, and LPP PDU is encapsulated in UL information transfer message ULInformationTransfer, and type indication information can embody by protocol fields or information type., refer to the implementation of above ULInformationTransfer.
Described UL information transfer message sends to described evolution base station eNB by Dedicated Control Channel.
Described evolution base station eNB, for receiving described UL information transfer message, identifies described locating information for positioning service, also for positioning Business Processing according to described locating information.
Except above-mentioned two kinds of UL information transfer message ULInformationTransfer schemes mentioning, also other message structure be may have, but information type indication and corresponding location protocol data cells such as similar " dedicatedInfoLPP " wherein all comprised.
In addition, if ULInformationTransfer bust this, UE need to notify upper strata.
To sum up, the inventive method and system are by expansion LTE RRC agreement, utilize existing UL information transfer message ULInformationTransfer to send locating information, and indicate this locating information for positioning service, make network side can identify and can process in time, thereby in LTE, realize positioning service function.
Claims (6)
1. a positioning service in long-term evolution network implementation method, is characterized in that, described method comprises:
Terminal sends UL information transfer message ULInformationTransfer to evolution base station eNB, wherein carries locating information and type indication information, and described type indication information is used to indicate described locating information for positioning service, described type indication information embodies by protocol fields or information type, by information type, embodying is in UL information transfer message ULInformationTransfer, increase the information word that a kind of type of message is DedicatedInfoLPP newly and fill location protocol data cell LPP PDU, by protocol fields, embodying is that newly-increased protocol fields uplink information sends parameters u lInformationTransfer-r9 in UL information transfer message ULInformationTransfer, filling location protocol data cell LPP PDU sends in the DedicatedInfoLPP of information word ULInformationTransfer-r9-IEs to uplink information,
Described evolution base station eNB receives described UL information transfer message, identify described locating information for positioning service after, according to described locating information, position Business Processing.
2. the method for claim 1, is characterized in that: described UL information transfer message sends to described evolution base station eNB by Dedicated Control Channel.
3. positioning service in long-term evolution network is realized a system, comprises interconnective terminal and evolution base station eNB, it is characterized in that:
Described terminal, for send UL information transfer message ULInformationTransfer to base station, wherein carries locating information and type indication information, and described type indication information is in order to indicate this locating information for positioning service, described type indication information embodies by protocol fields or information type, by information type, embodying is in UL information transfer message ULInformationTransfer, increase the information word that a kind of type of message is DedicatedInfoLPP newly and fill location protocol data cell LPP PDU, by protocol fields, embodying is that newly-increased protocol fields uplink information sends parameters u lInformationTransfer-r9 in UL information transfer message ULInformationTransfer, filling location protocol data cell LPP PDU sends in the DedicatedInfoLPP of information word ULInformationTransfer-r9-IEs to uplink information,
Described evolution base station eNB, for receiving described UL information transfer message, identifies described locating information for positioning service, also for positioning Business Processing according to described locating information.
4. system as claimed in claim 3, is characterized in that: described UL information transfer message is that the terminal under connected state sends to described evolution base station eNB by Dedicated Control Channel.
5. a positioning service in long-term evolution network implementation method, is characterized in that, described method comprises:
Terminal sends UL information transfer message ULInformationTransfer to evolution base station eNB, wherein encapsulate location protocol data cell LPP PDU and type indication information, described LPP PDU encapsulation locating information, described type indication information embodies by protocol fields or information type, is used to indicate described LPP PDU for positioning service; By information type, embodying is in UL information transfer message ULInformationTransfer, increase the information word that a kind of type of message is DedicatedInfoLPP newly and fill location protocol data cell LPP PDU, by protocol fields, embodying is that newly-increased protocol fields uplink information sends parameters u lInformationTransfer-r9 in UL information transfer message ULInformationTransfer, fills location protocol data cell LPP PDU and to uplink information, sends in the DedicatedInfoLPP of information word ULInformationTransfer-r9-IEs;
Described evolution base station eNB receives described UL information transfer message, identify described LPP PDU for positioning service after, according to described LPP PDU, position Business Processing.
6. positioning service in long-term evolution network is realized a system, comprises interconnective terminal and evolution base station eNB, it is characterized in that:
Described terminal, for send UL information transfer message ULInformationTransfer to base station, wherein encapsulate location protocol data cell LPP PDU and type indication information, described LPP PDU encapsulation locating information, described type indication information embodies by protocol fields or information type, is used to indicate described LPP PDU for positioning service; By information type, embodying is in UL information transfer message ULInformationTransfer, increase the information word that a kind of type of message is DedicatedInfoLPP newly and fill location protocol data cell LPP PDU, by protocol fields, embodying is that newly-increased protocol fields uplink information sends parameters u lInformationTransfer-r9 in UL information transfer message ULInformationTransfer, fills location protocol data cell LPP PDU and to uplink information, sends in the DedicatedInfoLPP of information word ULInformationTransfer-r9-IEs;
Described evolution base station eNB, for receiving described UL information transfer message, identifies described LPP PDU for positioning service according to described type indication information, also for positioning Business Processing according to described LPP PDU.
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CN200910203680.6A CN101924987B (en) | 2009-06-15 | 2009-06-15 | Method and system for realizing positioning service in long-term evolution network |
PCT/CN2009/074130 WO2010145103A1 (en) | 2009-06-15 | 2009-09-23 | Method and system for implementing location service in a long term evolution (lte) network |
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JP2005130154A (en) * | 2003-10-23 | 2005-05-19 | Hitachi Ltd | Base station apparatus in mobile terminal positioning system |
CN100375574C (en) * | 2004-11-24 | 2008-03-12 | 中兴通讯股份有限公司 | Method for positioning terminal by personnel hand system |
US20060130099A1 (en) * | 2004-12-13 | 2006-06-15 | Rooyen Pieter V | Method and system for cellular network and integrated broadcast television (TV) downlink with intelligent service control without feedback |
US7324832B2 (en) * | 2004-12-13 | 2008-01-29 | Broadcom Corporation | Method and system for a mobile architecture that supports a cellular or wireless network and broadcast utilizing an integrated single chip cellular and broadcast silicon solution |
US7957360B2 (en) * | 2007-01-09 | 2011-06-07 | Motorola Mobility, Inc. | Method and system for the support of a long DRX in an LTE—active state in a wireless network |
CN101400103B (en) * | 2007-09-28 | 2011-08-03 | 大唐移动通信设备有限公司 | Method, system and device for positioning mobile terminal |
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CN101227454A (en) * | 2007-01-16 | 2008-07-23 | 中兴通讯股份有限公司 | Method for transmitting multicast business adding with indication |
Non-Patent Citations (2)
Title |
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Ericsson.LTE positioning protocol architecture.《3GPP TSG-RAN WG3 #64 R3-091165》.3GPP,2009,1-3. * |
Qualcomm Europe.TS 36.305: Enhanced cell ID.《3GPP TSG-RAN WG2 #66 R2-093456》.3GPP,2009,1-5. * |
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CN101924987A (en) | 2010-12-22 |
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