CN101459930B - Location measurement information interaction method, system, base station and wireless network controller - Google Patents
Location measurement information interaction method, system, base station and wireless network controller Download PDFInfo
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Abstract
The invention discloses a method and a system for positioning metrical information exchange, a key station and a wireless network controller. The key station sends positioning metrical information measured by a plurality of positioning metrical units to the wireless network controller which feeds back to the key station with a plurality of positioning metrical feedback information, thereby realizing exchange of the positioning metrical information between the key station and a RNC. The scheme provided by the invention can realize rapid and effective exchange of a plurality of positioning metrical information on an Iub interface when a plurality of intelligent antennas are employed in a community, even when a plurality of channels in a community simultaneously support a new applying circumstance of channelizing application and intelligent antennas application.
Description
Technical field
The present invention relates to the Computers and Communication technical field, relate in particular to a kind of location measurement information interaction method, system, base station and radio network controller.
Background technology
Along with the development of 3G (Third Generation) Moblie technology, the method for designing of base station trends towards base band separates with radio frequency, and baseband extension type base station is exactly the base station that base band is separated with radio frequency.In baseband extension type base station system, baseband processing unit (BBU, Base Band Unit) has obtained using widely with the distribution mode of RF remote unit (RRU, Remote RF Unit).The application scenarios of a plurality of smart antennas occurs adopting in the sub-district, even the application scenarios that multichannel in the sub-district is supported channelizing application and smart antenna simultaneously occurred.
Defined on the Iub interface signaling plane in the at present up-to-date communication standard " 2GHz TD-SCDMA digital mobile cellular telecommunication net height speed downlink grouped inserts (HSDPA) Iub interface specification requirement the 4th part: the NBAP signaling ", the angle of arrival (the AOA how Node B reports the location to need by special measurement, AnglesOf Arrival) information, specifically as shown in table 1:
Iub interface signaling plane special measurement value message structure in table 1, the existing standard
| (cell/group name claims IE/Group Name | Presence (appearance) | Range (scope) | IE Type and Reference (cell type and benchmark) | Semantics Description (semantic description) | Criticality (critical) | Assigned Criticality (critical assignment) |
| CHOICE Dedicated Measurement Value (special measurement value) | M | - | ||||
| ＞SIR Value | - | |||||
| ＞＞SIR Value (signal interference ratio value) | M | INTEGER (0..63) | According to mapping in 3GPP TS 25.1333GPP TS 25.133and 3GPP TS 25.123 | - | ||
| ….. | - | |||||
| ＞Additional Dedicated Measurement Values (additional special measurement value) | - | |||||
| ＞＞Rx Timing DeviationValue LCR (receiving the timing slip value) | Applicable to 1.28Mcps TDD Only | - | ||||
| ＞＞＞Rx TimingDeviation LCR | M | INTEGER (0..511) | According tO mapping in 3GPP TS 25.123 | YES | reject | |
| ＞＞Angle Of ArrivalValue LCR (angle of arrival) | Applicable to 1.28Mcps TDD Only | - | ||||
| ＞＞＞ |
1 | YES | reject | |||
| ＞＞＞＞AOA LCR | M | INTEGER (0..719) | According to mapping in 3GPP TS 25.123 | - | ||
| ＞＞＞＞AOA LCR AccuracyClass (angle of arrival accuracy class) | M | ENUMERATED ( | According to mapping in 3GPP TS 25.123 | - | ||
| A，B，C，D， E，F，G， H，...) | - | |||||
| ＞＞HS-SICH ReceptionQuality (the high-speed shared information channel quality of reception) | Applicable to TDD only | - | ||||
| …… | - |
Here, the M in Presence (appearance) hurdle represents Mandatory (compulsory), and indicating this is the parameter that must occur; O represents Optional (optionally), represents that also can not occur can appear in this parameter.The identical parameters implication that occurs in the hereinafter relevant form is all identical.
Defined on Iub interface user face in the at present up-to-date communication standard " 2GHz TD-SCDMA digital mobile cellular telecommunication net height speed downlink grouped inserts (HSDPA) Iub interface specification requirement the 6th part: the user-plane protocol of Common transport channel data flow ", Node B and radio network controller (RNC, Radio Network Controller) how by Random Access Channel (RACH, Random AccessChannel) and the mutual AOA information of forward access channel (FACH, Forward Access Channel).
The RACH Frame comprises System Frame Number (SFN, System Frame Number) the corresponding Connection Frame Number (CFN, Connection FrameNumber) with the Uu frame of the RACH frame payload part that receives.If described payload part is transmitted in several Uu frames, CFN is corresponding to the SFN in first Uu frame.The FACH Frame comprises the corresponding CFN of SFN with the Uu frame that transmits FACH frame payload part.If described payload part is transmitted in several Uu frames, CFN is corresponding to first Uu frame.That is to say, comprise a CFN parameter in the RACH Frame, this parameter is determined according to the SFN of RACH payload part when eat dishes without rice or wine (Uu mouth) goes up transmission.Comprise a CFN parameter in the FACH Frame, this parameter is determined according to the SFN of FACH payload part when eat dishes without rice or wine (Uu mouth) goes up transmission.
As Fig. 1～shown in Figure 2, be the data frame structure schematic diagram of RACH in the prior art and FACH, wherein the implication of each parameter is as follows:
Frame head CRC (Header CRC) is the cyclic redundancy of Frame frame head, and span is { 0-127}; Field length is 7 bits.
Frame type (FT, Frame Type) is in order to distinguish control frame and Frame.Span is { 0=data, 1=control }; Field length is 1 bit.
Connection Frame Number (CFN) is in order to first up radio frame number of receiving in the designation data or first descending radio frame number of transmission.Span and field length are decided by to use the type of the transmission channel of CFN.Span is: when the transmission channel that uses CFN during as PCH, be { 0-4095}; When the transmission channel that uses CFN is other type, be { 0-255}; Field length:, be 12 bits when the transmission channel that uses CFN during as PCH; When the transmission channel that uses CFN is other type, be 8 bits.
Transformat indication (TFI, Transport Format Indicator) is this locality numbering of employed transformat in the Transmission Time Interval (TTI).Span is { 0-31}; Field length is 5 bits.
The SYNC UL time migration of receiving (Received SYNC UL Timing Deviation) is the Received SYNC UL Timing Deviation that measures, and the calculating of propagation delay usually can be based on this measured value.Span be 0 .. ,+255} chip (chips); Precision is 1chip; Field length is 8 bits.
Transmission block (TB) is the data block that sends or receive on the interface aloft.The transformat of TFI indication has been described the length of transmission block and the size of transport block set.
Transmission power level (Transmit power level) is in order to indicate the transmission power level of corresponding transmission channel in certain TTI.This value is the relative negative departure of " maximum power ", and wherein " maximum power " is the maximum power Configuration Values with the corresponding physical channel of transmission channel.Span is { 0..25.5dB}; Precision is 0.1dB; Field length is 8 bits.
Receive timing slip (Rx Timing Deviation), be used for the 3.84Mcps tdd mode.
Spare extension (Spare Extension) is in order to the position of the new IE that adds to compatibility mode after the indication in the future.Field length is the 0-32 byte.
Quality is estimated (QE), and BER obtains by transmission channel, is changed to transmission channel BER, and the control of UL exterior ring power may be used the quality estimated parameter.Span is { 0-255}; Precision is 1; Field length is 8 bits.
The angle of arrival (AOA), the terminal ripple that measures for NodeB reaches angle information.Span is { 0-719}; Field length is 10 bits.
New cell sign (New IE Flags), whether effective in order to the field after the indication New IE Flags IE.Its 7bit prepares against as the expansion sign and expands New IE Flags IE in the future.Whether span: Bit0-6: it is effective to be used to refer to New IE Flags IE field afterwards, and 1 expression is effective, and 0 expression is invalid; Bit7 is used for representing whether existing behind this New IE Flags IE the extended byte of New IE Flags, and 1 expression exists, and 0 expression does not exist.Field length is unfixing, by indicating whether to have expansion bit position decision among the New IE Flags IE.
Adopt a plurality of smart antennas a sub-district, even the multichannel in sub-district supports simultaneously under the new application scenarios of channelizing application and smart antenna, have a plurality of Location Measurement Units (LMU, Location Measurement Unit) in the sub-district.The above-mentioned Iub interface signaling plane and the standard agreement of user's face all can not report the information of a plurality of Location Measurement Units, thereby can't support multichannel in the sub-district to support the new application scenarios of channelizing application and smart antenna simultaneously.
Therefore, in the prior art, Iub interface can't satisfy a plurality of Location Measurement Unit information and report, and also just can't realize the mutual of a plurality of location measurement information.
Summary of the invention
The embodiment of the invention provides a kind of location measurement information interaction method, system and base station, radio network controller, can't satisfy the problem of a plurality of location measurement information interactions in order to Iub interface in the solution prior art.
A kind of location measurement information interaction method at the Iub interface signaling plane, is expanded the special measurement value in advance, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, this method comprises:
The base station is carried with the corresponding respectively location measurement information of a plurality of Location Measurement Units by newly-increased cell in the rach data frame and is reported radio network controller;
Described radio network controller carries a plurality of location survey feedback informations by newly-increased cell in the forward access channel data frame and sends to described base station.
Preferable, describedly in advance the special measurement value is expanded, increase newly and carry the cell of described location measurement information, specifically comprise: to the location measurement information cell of the newly-increased Location Measurement Unit sign of special measurement value cell, signal quality QOS cell and a plurality of Location Measurement Unit correspondences;
Describedly in advance rach data frame and forward access channel data frame are expanded, the newly-increased cell of described location measurement information that carries, specifically comprise: behind the new source identity in described rach data frame and forward access channel data frame, newly-increased one or more groups cell, each group cell is in order to carry and a location measurement information or a location survey feedback information that Location Measurement Unit is corresponding.
Preferable, described base station is carried described location measurement information by newly-increased cell in the rach data frame and is reported described radio network controller, specifically comprise: behind the new source identity in described rach data frame, indicate the cell group quantity that this reports use, and be arranged in order the entrained location measurement information of each cell group and report described radio network controller.
Preferable, described radio network controller carries described location survey feedback information by newly-increased cell in the forward access channel data frame and sends to described base station, specifically comprises:
Behind the new source identity in described forward access channel data frame, indicate the cell group quantity that this send to use, and be arranged in order the entrained location survey feedback information of each cell group and send to described base station.
Preferable, comprise Location Measurement Unit sign cell at least in described each group cell; Carry the Location Measurement Unit sign that comprises in described location measurement information or the location survey feedback information by described measuring unit sign cell.
Preferable, also comprise subscriber signal angle of arrival AOA cell in described each group cell, when smart antenna is used in described base station, carry the subscriber signal angle of arrival information of measuring acquisition by described AOA cell and report radio network controller; Perhaps carry the wave beam forming angle information that comprises in the described location survey feedback information and send to the base station.
Preferable, also comprise signal quality QOS cell in described each group cell, in order to carry the confidence information that comprises in the location measurement information.
Preferable, described confidence information is received signal code power, signal to noise ratio or signal quality.
A kind of location measurement information interaction system comprises base station and radio network controller, at the Iub interface signaling plane, in advance the special measurement value is expanded, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, wherein,
Described base station is used for carrying the location measurement information corresponding with a plurality of Location Measurement Units by the newly-increased cell of rach data frame and reports described radio network controller;
Described radio network controller is used for carrying a plurality of location survey feedback informations by the newly-increased cell of forward access channel data frame and sends to described base station.
Preferable, when smart antenna is used in described base station, comprise the angle of arrival that each Location Measurement Unit measures in the location measurement information that described base station reports;
Radio network controller comprises that in feeding back to the location survey feedback information of base station the indication base station sends the wave beam forming angle of information to user terminal.
A kind of base station at the Iub interface signaling plane, is expanded the special measurement value in advance, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, described base station comprises the location measurement information acquiring unit and first interactive unit, wherein,
Described location measurement information acquiring unit is used to obtain a plurality of location measurement information and sends to described first interactive unit;
Described first interactive unit is used to receive the location measurement information that described location measurement information acquiring unit sends, and carries a plurality of location measurement information by newly-increased cell in the rach data frame simultaneously and send to radio network controller; Also be used for receiving a plurality of location survey feedback informations that newly-increased cell that radio network controller is carried at the forward access channel data frame feeds back.
Preferable, described location survey acquiring unit further comprises first sign subelement, angle of arrival subelement and the confidence level subelement;
The described first sign subelement is used to the Location Measurement Unit corresponding with each group location measurement information to generate the Location Measurement Unit sign;
Described angle of arrival subelement is used to obtain the angle of arrival of the user terminal signal that each Location Measurement Unit measures;
Described confidence level subelement, the location measurement information that is used to each Location Measurement Unit to measure the one group of correspondence that obtains generates confidence level.
A kind of radio network controller at the Iub interface signaling plane, is expanded the special measurement value in advance, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increased newly and carry the cell of a plurality of location measurement information, described radio network controller comprises second interactive unit and location survey feedback information unit, wherein
Described second interactive unit is used for receiving a plurality of location measurement information that newly-increased cell that the base station is carried at the rach data frame sends, and sends to described location survey feedback information unit; Receive the location survey feedback information that described location survey feedback information unit sends, and carry a plurality of location survey feedback informations by newly-increased cell in the forward access channel data frame and send to the base station;
Described location survey feedback information unit is used to receive location measurement information, generates corresponding location survey feedback information, and sends to described second interactive unit.
Preferable, described location survey feedback information unit further comprises second sign subelement and the wave beam forming angle subelement, wherein,
The described second sign subelement is used to one group of corresponding with each Location Measurement Unit in location survey feedback information information to generate the Location Measurement Unit sign;
Described wave beam forming angle subelement is used to one group of corresponding with each Location Measurement Unit in location survey feedback information information to determine the wave beam forming angle information.
In the embodiment of the invention, the base station reports radio network controller (RNC, Radio Network Controller) with the location measurement information of a plurality of Location Measurement Units (LMU, Location MeasurementUnit); Radio network controller is to a plurality of location survey feedback informations of base station feedback.Thereby realized location measurement information mutual between base station and the RNC, adopt a plurality of smart antennas a sub-district, even the multichannel in sub-district is supported under the new application scenarios of channelizing application and smart antenna simultaneously, scheme by the embodiment of the invention can be implemented in and fast and effeciently realizes the mutual of a plurality of location measurement information on the Iub interface, obtains more accurate in locating result.
Description of drawings
Fig. 1 is a RACH data frame structure schematic diagram in the prior art;
Fig. 2 is a FACH data frame structure schematic diagram in the prior art;
Fig. 3 is the main realization principle flow chart of the embodiment of the invention;
The RACH data frame structure schematic diagram that Fig. 4 provides for the embodiment of the invention;
The FACH data frame structure schematic diagram that Fig. 5 provides for the embodiment of the invention;
The system configuration schematic diagram that Fig. 6 provides for the embodiment of the invention;
The architecture of base station schematic diagram that Fig. 7 provides for the embodiment of the invention;
Location measurement information cellular construction schematic diagram in the base station that Fig. 8 provides for the embodiment of the invention;
The RNC structural representation that Fig. 9 provides for the embodiment of the invention;
Location survey feedback information cellular construction schematic diagram among the RNC that Figure 10 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention is implemented in fast and effeciently mutual a plurality of location measurement information between base station and the RNC by the special measurement value agreement in the prior art Iub interface agreement has been done corresponding expansion.Base station in the embodiment of the invention and RNC are not limited only to be applied in existing WCDMA or the TD-SCDMA mobile communication system, can also be applied to other any need be between base station and RNC fast and effeciently in the mobile communication system of mutual a plurality of location measurement information.
Be explained in detail to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
As shown in Figure 3, the main realization principle process of the embodiment of the invention is as follows:
In using the mobile communication system of multichannel technology, the corresponding LMU of each passage is in order to measure the located in connection metrical information with positioning user terminal respectively.Obtain the located in connection metrical information of user terminal in the base station after, the location measurement information that a plurality of LMU measure need be sent to RNC and carry out relevant treatment.
The base station in each location measurement information, needs to comprise the sign of corresponding LMU, just LMU ID at least when reporting relevant a plurality of location measurement information.This LMU ID can determine corresponding location measurement information and by which LMU be measured, and LMU can be the smart antenna type, also can be non-smart antenna type.
When LMU uses intelligent antenna technology, also comprise the subscriber signal angle of arrival (AOA) information in the location measurement information that measures.AOA information is an important parameter in the smart antenna application in order to judge the current orientation with respect to the base station of user terminal.The base station need report RNC in the lump with AOA information corresponding to corresponding LMU.
Further, can also comprise confidence information in the location measurement information.Confidence level described here is a description to the location measurement information accuracy, can adopt corresponding received signal power sign indicating number (RSCP, Received Signal Code Power), signal to noise ratio (SNR, Signal Noise Ratio) or information of other expression concrete signal intensity describe, this can adopt signal quality (QOS, Quality ofSignal) to specifically describe.
Step 12, RNC is to a plurality of location survey feedback informations of base station feedback.
RNC is after a plurality of location measurement information that receive the base station transmission, obtain the positioning measurement result of a plurality of LMU according to the content of location measurement information, in view of the above, RNC can judge the concrete passage in the pairing multichannel of user terminal, and according to the concrete corresponding channel information of user terminal, to base station feedback location survey feedback information.RNC can only carry the information of partial L MU in the location survey feedback information, also can carry the whole LMU information in the location measurement information that the base station reports.RNC can specific base sends the sign of the pairing LMU of passage that information adopted to user terminal in the location survey feedback information.
When smart antenna is used in the base station, the AOA information of carrying in the location measurement information that reports according to the base station, RNC can determine the orientation of user terminal with respect to the base station, and generate the antenna beam figuration angle of base station in view of the above to user terminal transmission information, give the base station by corresponding LMU feedback information in the location survey feedback information.
When comprising confidence level in the location measurement information that the base station reports, RNC is with reference to the concrete value of confidence level, and specific base sends the sign of the pairing LMU of passage that information adopted to user terminal.When using smart antenna in the base station, confidence level can also be used to auxiliary calculation base station sends antenna beam figuration angle from information to user terminal.
Preferable, location measurement information interaction method in the foregoing description, specifically can be divided into signaling plane mutual and user's face alternately.
At signaling plane, the base station indicates the location measurement information that a plurality of LMU are measured and reports RNC;
At user's face, the base station is carried a plurality of location measurement information and is reported RNC in a RACH Frame; RNC carries a plurality of location survey feedback informations and sends to the base station in a FACH Frame.
Here, the base station sends to RNC with the location survey message that a plurality of LMU measure by control channel, can comprise information such as LMU ID, user terminal signal angle of arrival AOA and confidence level in the location survey message.
At user's face, the base station specifically sends location measurement information by RACH.A plurality of LMU information can be carried in the base station in a RACH Frame, all comprise LMU ID in each LMU information, can also comprise information such as user terminal signal angle of arrival AOA and confidence level.
RNC is after receiving the RACH Frame, by FACH feedback location survey feedback information.RNC carries a plurality of LMU information in a FACH Frame, comprise LMU ID in each LMU information, can also comprise information such as wave beam forming angle A OA.
In the preferred embodiment of the present invention, special measurement value agreement to definition in the communication standard in the prior art " 2GHz TD-SCDMA digital mobile cellular telecommunication net height speed downlink grouped inserts (HSDPA) Iub interface specification requirement the 4th part: the NBAP signaling " is expanded, special measurement value agreement after the expansion can be supported reporting of a plurality of LMU information, and is specifically as shown in table 2:
Special measurement value message structure after table 2, the expansion
| IE/Group Name (cell/group name claims) | Presenee (appearance) | Range (scope) | IE Type and Reference (cell type and benchmark) | Semantics Description (semantic description) | Criticality (critical) | Assigned Criticality (critical assignment) |
| CHOICE Dedicated Measurement Value (special measurement value) | M | - | ||||
| ＞SIR Value | - | |||||
| ＞＞SIR Value (signal interference ratio value) | M | INTEGER(0..63) | According to mapping in 3GPP TS 25.1333GPP TS 25.133and 3GPP TS 25.123 | - | ||
| …… | ||||||
| ＞AdditionalDedicatedMeasurement Values (additional special measurement value) | - | |||||
| ＞＞Rx TimingDeviation ValueLCR (receiving the timing slip value) | Applicable to 1.28Mcps TDD only | - | ||||
| ＞＞＞Rx TimingDeviation LCR | M | INTEGER(0..511) | According to mapping in 3GPP TS 25.123 | YES | reject | |
| ＞＞Angle Of ArrivalValue LCR (angle of arrival) | Applicable to 1.28Mcps TDD only | - | ||||
| ＞＞＞AOA ValueLCR | 1 | YES | reject | |||
| ＞＞＞＞AOA LCR | M | INTEGER(0..719) | According to mapping in 3GPP TS 25.123 | - | ||
| ＞＞＞＞AOA LCRAccuracy Class (angle of arrival accuracy class) | M | ENUMERATED (A，B，C，D，E，F，G， H，...) | According to mapping in 3GPP TS 25.123 | - | ||
| ＞＞＞＞LMU ID | O | INTEGER(0..255) | - | |||
| ＞＞＞＞Quality OfSignal (signal quality) | O | INTEGER(0..127) | RSCP or SNR | - | ||
| ＞＞＞＞MultipleLMU Information (multiple LMU information) | 0..<maxno of LMU Info> | Maxn oof LMUInfo value 15 | GLOBAL | ignore | ||
| ＞＞＞＞＞AOA LCR | M | INTEGER(0..719) | See note 3below | - | ||
| ＞＞＞＞＞AOA LCRAccuracy Class | M | ENUMERATED (A，B，C，D，E，F，G， H，...) | See note4 below | - | ||
| ＞＞＞＞＞LMU ID | M | INTEGER(0..255) | - | |||
| ＞＞＞＞＞Quality OfSignal | M | INTEGER(0..127) | RSCP or SNR | - | ||
| ＞＞HS-SICHReception Quality (the high-speed shared information channel quality of reception) | Applicable to TDD only | - | ||||
| …… |
As can be seen, with respect to the special measurement value protocol architecture of the prior art shown in the table 1, in the special measurement value protocol architecture after the expansion shown in the table 2, increased LMU ID, QOS and MultipleLMU Information cells such as (multiple LMU information), thereby make the special measurement value agreement after the expansion can satisfy on Iub interface the needs of mutual a plurality of location measurement information between base station and the RNC.
Specific to the user side data frame structure, as shown in Figure 4, be the RACH data frame structure schematic diagram after the expansion, wherein the implication of each parameter is as follows:
Frame head CRC (Header CRC) is the cyclic redundancy of Frame frame head, and span is { 0-127}; Field length is 7 bits.
Frame type (FT, Frame Type) is in order to distinguish control frame and Frame.Span is { 0=data, 1=control }; Field length is 1 bit.
Connection Frame Number (CFN) is in order to first up radio frame number of receiving in the designation data or first descending radio frame number of transmission.Span and field length are decided by to use the type of the transmission channel of CFN.Span is: when the transmission channel that uses CFN during as PCH, be { 0-4095}; When the transmission channel that uses CFN is other type, be { 0-255}; Field length:, be 12 bits when the transmission channel that uses CFN during as PCH; When the transmission channel that uses CFN is other type, be 8 bits.
Transformat indication (TFI, Transport Format Indicator) is this locality numbering of employed transformat in the Transmission Time Interval (TTI).Span is { 0-31}; Field length is 5 bits.
Receive timing slip (Rx Timing Deviation), be used for the 3.84Mcps tdd mode.
The SYNC UL time migration of receiving (Received SYNC UL Timing Deviation) is the Received SYNC UL Timing Deviation that measures, and the calculating of propagation delay usually can be based on this measured value.Span be 0 .. ,+255}chips; Precision is 1chip; Field length is 8 bits.
Transmission block (TB) is the data block that sends or receive on the interface aloft.The transformat of TFI indication has been described the length of transmission block and the size of transport block set.
New cell sign (New IE Flags), whether effective in order to the field after the indication New IE Flags IE.Its 7bit prepares against as the expansion sign and expands New IE Flags IE in the future.Whether span: Bit0-6: it is effective to be used to refer to New IE Flags IE field afterwards, and 1 expression is effective, and 0 expression is invalid; Bit7 is used for representing whether existing behind this New IE Flags IE the extended byte of New IE Flags, and 1 expression exists, and 0 expression does not exist.Field length is unfixing, by indicating whether to have expansion bit position decision among the New IE Flags IE.
LMU information number (LMU info Number), in order to characterize the quantity of follow-up LMU information, span is { 0-15}; Field length is 4 bits.
LMU ID, in order to identify corresponding LMU, in system, the LMU ID of each LMU correspondence is unique.
The angle of arrival (AOA), the terminal ripple that measures for NodeB reaches angle information.Span is { 0-719}; Field length is 10 bits.
Signal quality (QOS) is in order to identify the confidence level of corresponding LMU information.Span is { 0-127}; Field length is 7 bits.
Spare extension (Spare Extension) is in order to the position of the new IE that adds to compatibility mode after the indication in the future.Field length is the 0-32 byte.
LMU information number wherein (LMU info Number), LMU ID, the angle of arrival (AOA) and signal quality (QOS) are formed one group of LMU information.Comprise many group LMU information in each RACH Frame.
When smart antenna was not used in the base station, the AOA information in the RACH Frame in every group of LMU information was invalid.
As shown in Figure 5, be the FACH data frame structure schematic diagram after the expansion, wherein the implication of each parameter is as follows:
Frame head CRC (Header CRC) is the cyclic redundancy of Frame frame head, and span is { 0-127}; Field length is 7 bits.
Frame type (FT, Frame Type) is in order to distinguish control frame and Frame.Span is { 0=data, 1=control }; Field length is 1 bit.
Connection Frame Number (CFN) is in order to first up radio frame number of receiving in the designation data or first descending radio frame number of transmission.Span and field length are decided by to use the type of the transmission channel of CFN.Span is: when the transmission channel that uses CFN during as PCH, be { 0-4095}; When the transmission channel that uses CFN is other type, be { 0-255}; Field length:, be 12 bits when the transmission channel that uses CFN during as PCH; When the transmission channel that uses CFN is other type, be 8 bits.
Transformat indication (TFI, Transport Format Indicator) is this locality numbering of employed transformat in the Transmission Time Interval (TTI).Span is { 0-31}; Field length is 5 bits.
Transmission power level (Transmit power level) is in order to indicate the transmission power level of corresponding transmission channel in certain TTI.This value is the relative negative departure of " maximum power ", and wherein " maximum power " is the maximum power Configuration Values with the corresponding physical channel of transmission channel.Span is { 0..25.5dB}; Precision is 0.1dB; Field length is 8 bits.
Transmission block (TB) is the data block that sends or receive on the interface aloft.The transformat of TFI indication has been described the length of transmission block and the size of transport block set.
New cell sign (New IE Flags), whether effective in order to the field after the indication New IE Flags IE.Its 7bit prepares against as the expansion sign and expands New IE Flags IE in the future.Whether span: Bit0-6: it is effective to be used to refer to New IE Flags IE field afterwards, and 1 expression is effective, and 0 expression is invalid; Bit7 is used for representing whether existing behind this New IE Flags IE the extended byte of New IE Flags, and 1 expression exists, and 0 expression does not exist.Field length is unfixing, by indicating whether to have expansion Bit position decision among the New IE Flags IE.
LMU information number (LMU info Number), in order to characterize the quantity of follow-up LMU information, span is { 0-15}; Field length is 4 bits.
LMU ID, in order to identify corresponding LMU, in system, the LMU ID of each LMU correspondence is unique.
The angle of arrival (AOA), the terminal ripple that measures for NodeB reaches angle information.Span is { 0-719}; Field length is 10 bits.
Spare extension (Spare Extension) is in order to the position of the new IE that adds to compatibility mode after the indication in the future.Field length is the 0-32 byte.
LMU information number wherein (LMU info Number), LMU ID, the angle of arrival (AOA) and signal quality (QOS) are formed one group of LMU information.Comprise many group LMU information in each FACH Frame.
When smart antenna was not used in the base station, the AOA information in the FACH Frame in every group of LMU information was invalid.
Correspondingly, the embodiment of the invention also provides a kind of location measurement information interaction system, and as shown in Figure 6, this system comprises base station and RNC, and is specific as follows:
The base station is used for the location measurement information that a plurality of LMU measure is reported RNC;
RNC is used for to a plurality of location survey feedback informations of base station feedback.
Preferable, when smart antenna is used in the base station, comprise the AOA that each LMU measures in the location measurement information that the base station reports;
RNC comprises that in feeding back to the location survey feedback information of base station the base station sends the wave beam forming angle of information to user terminal.
Preferable, the embodiment of the invention also provides a kind of location measurement information interaction base station, and as shown in Figure 7, this base station comprises the location measurement information acquiring unit 21 and first interactive unit 22, and is specific as follows:
Location measurement information acquiring unit 21 is used to obtain location measurement information and sends to first interactive unit 22.
First interactive unit 22 is used to receive the location measurement information that location measurement information acquiring unit 21 sends, and sends to RNC; Also be used to receive the location survey feedback information of RNC feedback and send to correlation unit and handle.
Preferable, as shown in Figure 8, the location measurement information acquiring unit 21 in the above-mentioned base station further comprises first sign subelement 211, angle of arrival subelement 212 and the confidence level subelement 213, and is specific as follows:
The first sign subelement 211 is used to the Location Measurement Unit corresponding with each group location measurement information to generate the Location Measurement Unit sign;
Angle of arrival subelement 212 is used to obtain the angle of arrival of the user terminal signal that each Location Measurement Unit measures;
Accordingly, the embodiment of the invention also provides a kind of radio network controller (RNC), and as shown in Figure 9, this RNC comprises second interactive unit 31 and location survey feedback information unit 32, and is specific as follows:
Second interactive unit 31 is used to receive a plurality of location measurement information that the base station sends, and sends to location survey feedback information unit 32; Receive the location survey feedback information that location survey feedback information unit 32 sends, and send to the base station;
Location survey feedback information unit 32 is used to receive location measurement information, generates corresponding location survey feedback information, and sends to second interactive unit 31.
Preferable, as shown in figure 10, the location survey feedback information unit 32 among the above-mentioned RNC further comprises second sign subelement 321 and the wave beam forming angle subelement 322, and is specific as follows:
Second identifies subelement 321, is used to one group of information generation Location Measurement Unit sign of each Location Measurement Unit correspondence in the location survey feedback information.
The Location Measurement Unit sign here can be used for identifying the RNC specific base sends the multichannel of information to user terminal one or more passages.
Wave beam forming angle subelement 322 is used in the location survey feedback information one group of information of each Location Measurement Unit correspondence to determine the wave beam forming angle information.
The wave beam forming angle information here can be used to specify the base station sends the smart antenna of information to user terminal antenna beam figuration angle.
In sum, in the embodiment of the invention, the base station reports radio network controller (RNC) with the location measurement information that a plurality of LMU measure; RNC is to a plurality of location survey feedback informations of base station feedback.Thereby realized location measurement information mutual between base station and the RNC.Adopt a plurality of smart antennas a sub-district, even the multichannel in sub-district supports under the new application scenarios of channelizing application and smart antenna simultaneously, and the scheme by the embodiment of the invention can be implemented in more effective mutual a plurality of location measurement information on the Iub interface.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. a location measurement information interaction method is characterized in that, at the Iub interface signaling plane, in advance the special measurement value is expanded, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, this method comprises:
The base station is carried with the corresponding respectively location measurement information of a plurality of Location Measurement Units by newly-increased cell in the rach data frame and is reported radio network controller;
Described radio network controller carries a plurality of location survey feedback informations by newly-increased cell in the forward access channel data frame and sends to described base station.
2. the method for claim 1, it is characterized in that, describedly in advance the special measurement value is expanded, increase newly and carry the cell of described location measurement information, specifically comprise: to the location measurement information cell of the newly-increased Location Measurement Unit sign of special measurement value cell, signal quality QOS cell and a plurality of Location Measurement Unit correspondences;
Describedly in advance rach data frame and forward access channel data frame are expanded, the newly-increased cell of described location measurement information that carries, specifically comprise: behind the new source identity in described rach data frame and forward access channel data frame, newly-increased one or more groups cell, each group cell is in order to carry and a location measurement information or a location survey feedback information that Location Measurement Unit is corresponding.
3. method as claimed in claim 2 is characterized in that, described base station is carried described location measurement information by newly-increased cell in the rach data frame and reported described radio network controller, specifically comprises:
Behind the new source identity in described rach data frame, indicate the cell group quantity that this reports use, and be arranged in order the entrained location measurement information of each cell group and report described radio network controller.
4. method as claimed in claim 2 is characterized in that, described radio network controller carries described location survey feedback information by newly-increased cell in the forward access channel data frame and sends to described base station, specifically comprises:
Behind the new source identity in described forward access channel data frame, indicate the cell group quantity that this send to use, and be arranged in order the entrained location survey feedback information of each cell group and send to described base station.
5. as claim 3 or 4 described methods, it is characterized in that, comprise Location Measurement Unit sign cell at least in described each group cell; Carry the Location Measurement Unit sign that comprises in described location measurement information or the location survey feedback information by described measuring unit sign cell.
6. method as claimed in claim 5, it is characterized in that, also comprise subscriber signal angle of arrival AOA cell in described each group cell, when smart antenna is used in described base station, carry the subscriber signal angle of arrival information of measuring acquisition by described AOA cell and report radio network controller; Perhaps carry the wave beam forming angle information that comprises in the described location survey feedback information and send to the base station.
7. method as claimed in claim 6 is characterized in that, also comprises signal quality QOS cell in described each group cell, in order to carry the confidence information that comprises in the location measurement information.
8. method as claimed in claim 7 is characterized in that, described confidence information is received signal code power, signal to noise ratio or signal quality.
9. a location measurement information interaction system is characterized in that, comprises base station and radio network controller, at the Iub interface signaling plane, in advance the special measurement value is expanded, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, wherein,
Described base station is used for carrying the location measurement information corresponding with a plurality of Location Measurement Units by the newly-increased cell of rach data frame and reports described radio network controller;
Described radio network controller is used for carrying a plurality of location survey feedback informations by the newly-increased cell of forward access channel data frame and sends to described base station.
10. system as claimed in claim 9 is characterized in that, when smart antenna is used in described base station, comprises the angle of arrival that each Location Measurement Unit measures in the location measurement information that described base station reports;
Radio network controller comprises that in feeding back to the location survey feedback information of base station the indication base station sends the wave beam forming angle of information to user terminal.
11. a base station is characterized in that, at the Iub interface signaling plane, in advance the special measurement value is expanded, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increase newly and carry the cell of a plurality of location measurement information, described base station comprises the location measurement information acquiring unit and first interactive unit, wherein,
Described location measurement information acquiring unit is used to obtain a plurality of location measurement information and sends to described first interactive unit;
Described first interactive unit is used to receive the location measurement information that described location measurement information acquiring unit sends, and carries a plurality of location measurement information by newly-increased cell in the rach data frame simultaneously and send to radio network controller; Also be used for receiving a plurality of location survey feedback informations that newly-increased cell that radio network controller is carried at the forward access channel data frame feeds back.
12. base station as claimed in claim 11 is characterized in that, described location survey acquiring unit further comprises first sign subelement, angle of arrival subelement and the confidence level subelement;
The described first sign subelement is used to the Location Measurement Unit corresponding with each group location measurement information to generate the Location Measurement Unit sign;
Described angle of arrival subelement is used to obtain the angle of arrival of the user terminal signal that each Location Measurement Unit measures;
Described confidence level subelement, the location measurement information that is used to each Location Measurement Unit to measure the one group of correspondence that obtains generates confidence level.
13. a radio network controller is characterized in that, at the Iub interface signaling plane, in advance the special measurement value is expanded, the newly-increased cell of a plurality of location measurement information that carries; At Iub interface user face, in advance rach data frame and forward access channel data frame are expanded, increased newly and carry the cell of a plurality of location measurement information, described radio network controller comprises second interactive unit and location survey feedback information unit, wherein
Described second interactive unit is used for receiving a plurality of location measurement information that newly-increased cell that the base station is carried at the rach data frame sends, and sends to described location survey feedback information unit; Receive the location survey feedback information that described location survey feedback information unit sends, and carry a plurality of location survey feedback informations by newly-increased cell in the forward access channel data frame and send to the base station;
Described location survey feedback information unit is used to receive location measurement information, generates corresponding location survey feedback information, and sends to described second interactive unit.
14. radio network controller as claimed in claim 13 is characterized in that, described location survey feedback information unit further comprises second sign subelement and the wave beam forming angle subelement, wherein,
The described second sign subelement is used to one group of corresponding with each Location Measurement Unit in location survey feedback information information to generate the Location Measurement Unit sign;
Described wave beam forming angle subelement is used to one group of corresponding with each Location Measurement Unit in location survey feedback information information to determine the wave beam forming angle information.
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