WO2010148554A1 - 时分双工复用mimo系统中的信号发送方法及装置 - Google Patents
时分双工复用mimo系统中的信号发送方法及装置 Download PDFInfo
- Publication number
- WO2010148554A1 WO2010148554A1 PCT/CN2009/072406 CN2009072406W WO2010148554A1 WO 2010148554 A1 WO2010148554 A1 WO 2010148554A1 CN 2009072406 W CN2009072406 W CN 2009072406W WO 2010148554 A1 WO2010148554 A1 WO 2010148554A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- downlink
- matrix
- user terminal
- information
- vector
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
Definitions
- This relates to communications wood, and more particularly to signaling methods and devices in multiple systems.
- the uplink and downlink occupy the same frequency band, and the upper and lower channels are the same as the same.
- the uplink feature has no downlink feature. However in
- the nature of the multi-system is very sensitive to the uplink and downlink. Micro also causes performance loss. Therefore, in terms of the system, the upper and lower are getting worse.
- the 3GPP proposal R-080494 proposes an airborne solution to bring to Africa.
- the air interface of the proposal shown in 1 is indicated. Configured with , receiving P
- the central user terminal where the user terminal O, receives 7 user terminal reception 7 / .
- the central user terminal where the user terminal O, receives 7 user terminal reception 7 / .
- Under the schedule 1) Decide on the need for a user terminal with strong indication and low Pull
- the user terminal is small specific reference (and closest to the next uplink reference). The same 6 bits of the uplink reference are sent from the upstream reference.
- /O p " can also be as small as 5) factors such as user terminal ( 1, /
- Bit may be unsuppressed.
- the downlink user terminal is completed on the 24-channel subcarrier.
- the upstream board may be blocked.
- 3GPP Proposal R -090042 proposes another air interface non-
- the user terminal is scaled by the n-factor of the base station friend
- the above is not possible.
- v) The power factor n increases the uplink power to increase the ratio. However, the increase of the uplink power is also increased by other users. Whether or not the final letter can be increased depends on the current system of the grid. content
- the difference in the system may not be from the following aspects
- the downlink of the user system is most effectively arranged by the doctor for the information of all users in the downlink.
- the following is a model of the user's system.
- FIG. 3 shows a typical downlink user system, where S represents the k vector and the elevation self vector.
- k The user's delivery vector will be w where w represents the k user's pre-vector in the user's receiving force matrix.
- the user is usually received by each user of each user.
- the user's received message vector represents y w + .
- the domain is that the complete matrix is not w w. w w , such that w is the mediator matrix, that is, sheep w, 0.
- the wooden user terminal can be encoded to increase the throughput.
- the user system In the downlink, the user system is available. The main thing is to eliminate it in advance. It means to have the vast majority of the information that the terminal needs to receive from itself.
- the user sees a message such as a vector, and all reference vector channels are measurable. Perfect
- the system usually does not have a perfect signal.
- the channel is non-keratinized.
- the introduction matrix indicates that between the up-and-down and the down-going, that is, the down-going can be expressed.
- the downlink matrix will be E
- the matrix E can be either a mediator matrix or a mediator matrix. If the matrix is a median matrix, then the matrix can be downlinked and received and there is no need to exchange information between the receivers.
- the number of received numbers in the left matrix that is, the number of received in the multi-user multi-system, is limited, that is, n, which means that the number of elements of the matrix E is not the number of elements of the matrix.
- the inverse downlink vector means that there are fewer inverses.
- the reference to the user terminal is the same and the same precoding operation.
- the reference to the different residence is
- the method for sending a message includes the following steps: A. Receiving a message received from a user terminal that is not a packet. Uplink characteristics B. Uplink characteristics Downstream characteristics and the same information C. Upstream characteristics and information
- step B Determining a downlink matrix of the downlink matrix to the user terminal of the packet, wherein the step B includes receiving
- the method for assisting the base in the terminal includes the following steps: a. An upstream reference to the station friend on the uplink b. Receiving the downlink downlink reference of the terminal for the terminal, and receiving the downlink reference downlink vector matrix C, the downlink vector matrix satisfies a predetermined downlink vector matrix with information,
- a signaling device for transmitting a message, an uplink device, and a message for receiving a user terminal that does not use a packet
- the received information of the uplink characteristic information of the uplink characteristic characteristic device is the same as that of the information encoding apparatus with the downlink characteristic of the uplink characteristic and the downlink matrix of the information undetermined downlink matrix, and the information is fixed to the user terminal of the packet. Description
- the downlink vector matrix has informational updates to the information.
- the first aspect of this book provides God in the work
- the auxiliary base in the terminal including the uplink And the reference sending device, the downlink reference vector matrix downlink channel friend device received by the uplink reference downlink vector device of the station in the uplink for receiving the downlink downlink reference of the terminal packet, satisfies the predetermined time in the downlink vector matrix
- the resulting downlink vector matrix is described in the information of the husband.
- the system process of the system is down.
- the following is a combination of the 3 and 4 methods of the system.
- the system includes and the user terminal
- the user terminal is grouped into a medium. Includes the number of days the user terminal is configured.
- the user terminal 1 shown in FIG. 4 is shown in FIG. 4, and the user terminal 20 shown in FIG. 3 is in any of the user 1 to the middle.
- the following is a combination of 10 and the user terminal 20. The method of the first aspect and the second aspect is not described. .
- the user terminal 20 refers to the uplink reference of the uplink.
- the uplink reference of the user terminal 20 is a reference (So d gRe ratio e ceSg a ), so that 10 can be uplinked.
- Phase, other user terminals in the same-purpose group account for the same operation as the user terminal 20.
- step 10 the incoming uplink characteristic received by the user terminal receiving the unsubscribed user terminal is received.
- 10 will use the letter of all user terminals grouped, the example reference, the complete uplink matrix.
- the user terminal 20, 10 will use the last uplink reference.
- the upstream matrix is the upstream matrix.
- step 12 10 will have the same characteristics as the uplink characteristic downlink characteristics.
- the uplink characteristic indicates that the downlink matrix downlink characteristic represents the downlink matrix
- the information represents the median matrix E , that is
- the matrix is fixed by the base 10 matrix.
- the inverse update matrix of the user terminals in the packet will be used.
- the downlink coding matrix of the uplink characteristic and the information undetermined downlink matrix is downlinked to the user terminal of the packet.
- the descending matrix w can be the upper matrix oo e-Pe ose obtained by formulating W . . The smallest and the one obtained.
- Wood in this field understands that any other method that satisfies W is a matrix that can be used in this.
- the unsuccessful message is downlinked.
- the user terminal 20 will receive 10 of the user terminal 20
- the downlink matrix seen by all user terminals of the packet can be
- the number of the media (there is a mediation received)
- the user terminal 20 has the same "operations, the respective vectors.
- step 523 the user terminal 20 will execute
- the output downlink vector matrix satisfies the predetermined remaining user terminal 20, and the downlink vector matrix has the information of the husband 10
- the average value of the power of the medium is higher than the average of the values of the elements or the values of the elements, which is generally higher than the predetermined value of 10, so that the user terminal 20 of the other users in the minute causes a large dry. Therefore, the user terminal 20 counters the resulting vector to 10.
- the user terminal 20 can be relocated in the same direction. It is understood in the art that the user terminal 20 can be close to the other 10 or not.
- User terminal 20 inverse downlink vector matrix 'can be used.
- the user terminal 20 can go to the 10 downlink vector matrix
- the user terminal 20 can be transformed into a 10 downlink vector matrix.
- the previous vector and the vector before it is obtained or the user terminal 20 can quantize to the 10 downlink vector matrix.
- the user terminal 20 can be in other ways of reverse information.
- the limit on the number of received downlink matrices is usually less than no. Therefore, compared to the existing wooden 3GPP proposal R-080494, the inverse of this is the case in the same inverse way.
- the same matrix E of the uplink and downlink matrices in the communication step 12 includes receiving the downlink vector matrix with the user terminal of the packet, and the downlink vector matrix is laughable. Update information information.
- 10 can receive a re-request in the re-request can also be received in the re-reserved number of re-example 10 can receive 3 new re-requests can be re-received in the reception performance and The exchange between the two is compromised.
- the downlink vector matrix is divided by the information of the downlink vector matrix of the user terminal of the user terminal to form the matrix of the downlink matrix to be updated by the equal matrix of the downlink matrix.
- step matrix form can describe the inverse vector of each user terminal , . ] then the vectors
- step 513 10 the updated information is not determined by the downlink matrix.
- the step 22 includes the user terminal 20, and the ratio is lower than the predetermined one.
- the resulting vector matrix 'the element of the letter of the user terminal 20 is also the most determined".
- the number of each user terminal of each user terminal in the packet is received.
- the example is for illustration, not for limitation.
- the user terminal in the field can also use the user terminal in the group to receive the number of each of the two or more days.
- each of the user terminals 20 is respectively received by the 2, 3 in the packet, and the vector to which the user terminal 20 is reached can represent . .
- the user terminal 20 will recently "and the husband's information 10.
- the wood in the field combined with the above description can be used to perform other phase operations in the system.
- the communication device shown in Figure 5 is used for the delivery device of the delivery system.
- the following is a combination of 3 to 6 device angles.
- the delivery device 100 includes an upstream device 10, an information device 102, and a device 103.
- the delivery device 100 is typically at 10.
- the device 200 has an uplink reference transmitting device 201, a downlink vector device 202, and a downlink vector channel friend device 203.
- Device 200 is typically in user terminal 20.
- the third aspect and aspects of the present invention are described below in conjunction with the signaling operations between the messaging device 100 in the 10 and the device 200 in the user terminal 20.
- the upstream reference device 201 in the device 200 is directed to the upstream uplink reference.
- the uplink reference is a reference (So dg Re ratio e ce ga ) so that 10 can be uplinked between its user terminals 20 .
- other user terminals in the same-purpose group occupy the same operation as the user terminal 20.
- the uplink device 101 in the 10 to 100 device 100 receives the signal uplink characteristic received by the user terminal of the user terminal.
- the uplink device 101 will use the letter of all user terminals grouped, for example.
- the user terminal 20 will use the last uplink reference.
- the upstream matrix is the upstream matrix.
- the information setting device 102 will information between the downlink characteristics of the uplink characteristics.
- the above characteristics, the information matrix form uplink characteristics indicate that the downlink matrix downlink characteristics represent the downlink matrix, and the information indicates the mediator matrix E is also the matrix E.
- the matrix is fixed by the sending device 100 to fix the matrix to the sheep matrix.
- 10 will use the inverse unupdated matrix of the user terminals in the packet.
- device 103 will have uplink characteristics and information
- the operation goes down to each user terminal in the packet. More rest, the device 103 performs the same pre-operations with references to different user terminals in the packet, which are mutual references and numbers.
- Oo e-Pe ose is obtained by formulating WE. .
- the downlink coding matrix W can also be obtained by minimizing the uplink matrix.
- the wood in this field understands that any other method can satisfy the W matrix and can be used in this.
- the unsent letter is downlinked.
- the downstream device 202 in the device 200 of the user terminal 20 receives
- the downstream device 202 will receive a downlink reference vector for all users detecting the user terminal 20 with the packet. It can be represented by a descending matrix such as that seen by the user terminal of the packet. The number of receptions indicated or the number of yes (if each is received).
- Each vector in the above-mentioned descending matrix is the vector seen by a certain received angle. For example, but not limited to, the number of each user terminal 20 of each user terminal in the group is the user terminal in the group, and the vector detected by the user terminal 20 can represent '
- Each of the user terminals in the packet occupies the same operation as the user terminal 20, and each vector is detected.
- the downlink vector channel friend device 203 will execute the downlink vector matrix that satisfies the predetermined remainder, and the downlink vector matrix has a laughing information 10 of 10 .
- n is higher than the "predetermined or the mean value of each element is higher than", which usually means 10 Larger so that the user terminal 20 of the other users in the packet causes a larger dry. Therefore, the downlink vector channel friend device 203 in the user terminal 20 reverses the detected vector to 10
- the downlink vector channel friend device 203 can be relocated in the same direction. In the field, the understanding of the downlink vector channel friend device 20 can be similar to the other predetermined time, whether or not to the 10 anti-vector channel and/or to the new one.
- the user terminal 20 inverse downlink vector matrix can be in the manner.
- the vector of the downlink vector channel friend device 203 to the 10 downlink vector matrix or the downlink vector channel friend device 203 to the 10 downlink vector matrix may be used to obtain the previous vector or the vector before it may be obtained by
- the downlink vector channel friend device 203 quantizes the 10 downlink vector matrix.
- the user terminal 20 can be in other ways of reverse information. Waiting for the downlink matrix, the number of received received is limited, usually less than . Therefore, compared to the existing wood GPP proposal R-080494, the inverse of the present invention is smaller in the case of the same inverse mode.
- the other user terminals in the same-purpose grouping group will perform the same operations as the user terminal 20 to reverse the respective downlink vector matrix and/or will not be described again here.
- the information setting device 102 of the above 10 has the same matrix E in the upper and lower matrix. In the communication, the information setting device 102 is close to the downlink vector matrix that receives the user terminal of the packet. The matrix has informational updates to the information.
- the information setting device 102 will use the information of each user terminal in the packet to reverse the information of each user terminal.
- More rest information device 102 can be received in between The re-request can also be re-executed in the re-determined number of re-information devices 102 can receive a new re-request, and can obtain a compromise between the reciprocal reception performance and the consistency.
- the information setting device 102 updates the matrix E to update the downlink vector matrix with the inverted downlink vector matrix of the user terminal of the packet, and combines the downlink vector matrix into an equal downlink matrix to update the downlink matrix right matrix to be updated.
- Matrix The rest operation matrix form can be used to lower the vector of each user terminal of the information setting device 102, and then the vectors are combined to obtain the same downlink matrix,
- the interest rate is not determined by the downlink matrix.
- the mutual benefit of the complete signal matrix is not the performance gain.
- the non-angled vector matrix from each user terminal may not. It is impossible for God to operate the matrix with other user terminals in the group. Therefore, the information of the downlink vector device 202 in the user terminal 20 that is close to the user terminal 20 is lower than the predetermined ratio, and the element of the vector matrix that is occupied by the user terminal 20 is the most determined vector matrix. Force 0
- the number of each receiving user of each user terminal in the group is used.
- the example is to explain this rather than to limit it.
- the user terminal in the group can also receive the number of each of the two or more days.
- each of the user terminals 20 is 2, 3 in the grouping thereof.
- the downlink vector channel friend device 203 in the user terminal 20 will be close to the laughing information 10.
- the creation can be carried out in the early phase of the other phase operations, no longer here. It is understood in the art that the devices in the present invention can be implemented by hardware or by functions in software, and can be similarly hardware integrated with software functions.
- the user terminal vector can be transformed into a rapid vector. Therefore, the middle one is reduced and the result is obtained.
- the user terminal reverses the information of the downlink rather than the information of the direct matrix.
- the perfect descending matrix will be the matrix of the sheep.
- the elements in the descending matrix are smaller than the elements in the direct signal matrix. Therefore, the inverse quantization bits required in the present invention are less.
- a specific tying is applied to the user terminal.
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09846354A EP2448137A1 (en) | 2009-06-23 | 2009-06-23 | Method and device for signal transmission in time-division duplex mimo system |
JP2012516472A JP2012531132A (ja) | 2009-06-23 | 2009-06-23 | 時分割多元接続mimoシステムにおいて信号を送信する方法および関連の装置 |
BRPI0924672A BRPI0924672A2 (pt) | 2009-06-23 | 2009-06-23 | métodos de transmissão de um sinal em um sistema mimo de duplexação por divisão de tempo e aparelhos associados |
US13/380,265 US20120099469A1 (en) | 2009-06-23 | 2009-06-23 | Methods of transmitting a signal in a time division duplexing mimo system and associated apparatuses |
PCT/CN2009/072406 WO2010148554A1 (zh) | 2009-06-23 | 2009-06-23 | 时分双工复用mimo系统中的信号发送方法及装置 |
CN2009801587053A CN102396161A (zh) | 2009-06-23 | 2009-06-23 | 时分双工复用mimo系统中的信号发送方法及装置 |
KR1020127001547A KR20120033335A (ko) | 2009-06-23 | 2009-06-23 | 시분할 듀플렉싱 mimo 시스템에서 신호를 전송하는 방법 및 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/072406 WO2010148554A1 (zh) | 2009-06-23 | 2009-06-23 | 时分双工复用mimo系统中的信号发送方法及装置 |
Publications (1)
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WO2010148554A1 true WO2010148554A1 (zh) | 2010-12-29 |
Family
ID=43385864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2009/072406 WO2010148554A1 (zh) | 2009-06-23 | 2009-06-23 | 时分双工复用mimo系统中的信号发送方法及装置 |
Country Status (7)
Country | Link |
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US (1) | US20120099469A1 (zh) |
EP (1) | EP2448137A1 (zh) |
JP (1) | JP2012531132A (zh) |
KR (1) | KR20120033335A (zh) |
CN (1) | CN102396161A (zh) |
BR (1) | BRPI0924672A2 (zh) |
WO (1) | WO2010148554A1 (zh) |
Families Citing this family (16)
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KR101393456B1 (ko) * | 2010-02-12 | 2014-05-13 | 알까뗄 루슨트 | 상반성 오차들을 교정하기 위한 디바이스 및 방법 |
CN101882952B (zh) * | 2010-06-24 | 2012-12-19 | 东南大学 | 统计特征模式的空分多址传输方法 |
US9596065B2 (en) * | 2012-10-24 | 2017-03-14 | Qualcomm Incorporated | Enhanced SRS transmission for MIMO operation in LTE-A |
JP5856575B2 (ja) * | 2013-02-13 | 2016-02-10 | 日本電信電話株式会社 | 無線通信方法、無線通信システム、および無線機 |
WO2014129871A1 (ko) * | 2013-02-25 | 2014-08-28 | 엘지전자 주식회사 | 다중 안테나 무선 통신 시스템에서 효율적인 신호 송신 방법 및 이를 위한 장치 |
GB2517218B (en) * | 2013-08-16 | 2017-10-04 | Analog Devices Global | Communication unit and method of antenna array calibration |
GB2517217B (en) | 2013-08-16 | 2018-03-21 | Analog Devices Global | Communication unit, integrated circuit and method for generating a plurality of sectored beams |
CN105245310B (zh) * | 2014-07-09 | 2020-01-14 | 中兴通讯股份有限公司 | 一种下行导频信号的处理方法及系统 |
US9647745B2 (en) | 2014-10-14 | 2017-05-09 | Regents Of The University Of Minnesota | Channel tracking and transmit beamforming with frugal feedback |
WO2016067318A1 (en) | 2014-10-29 | 2016-05-06 | Nec Corporation | Communication system and method, base station, and user terminal |
CN107710655B (zh) * | 2015-08-07 | 2019-06-28 | 三菱电机株式会社 | 发送装置、接收装置、发送方法以及接收方法 |
US9590708B1 (en) * | 2015-08-25 | 2017-03-07 | Motorola Mobility Llc | Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling |
WO2017078957A1 (en) * | 2015-11-05 | 2017-05-11 | Motorola Mobility Llc | Method and apparatus for channel determination for time division duplex systems with coupled antennas |
EP3586456A1 (en) | 2017-03-16 | 2020-01-01 | Huawei Technologies Co., Ltd. | Determination of hardware impairment parameters for downlink channel state information estimation |
EP3766194A4 (en) * | 2017-10-20 | 2022-01-05 | Telefonaktiebolaget LM Ericsson (Publ) | RADIO RECIPROCITY CALIBRATION FOR DISTRIBUTED MULTIPLE INPUT AND OUTPUT OUTPUT SYSTEMS |
WO2024055150A1 (en) * | 2022-09-13 | 2024-03-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, network node and computer program for over the air calibration of an active antenna system |
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2009
- 2009-06-23 US US13/380,265 patent/US20120099469A1/en not_active Abandoned
- 2009-06-23 WO PCT/CN2009/072406 patent/WO2010148554A1/zh active Application Filing
- 2009-06-23 CN CN2009801587053A patent/CN102396161A/zh active Pending
- 2009-06-23 JP JP2012516472A patent/JP2012531132A/ja active Pending
- 2009-06-23 EP EP09846354A patent/EP2448137A1/en not_active Withdrawn
- 2009-06-23 BR BRPI0924672A patent/BRPI0924672A2/pt not_active IP Right Cessation
- 2009-06-23 KR KR1020127001547A patent/KR20120033335A/ko not_active Application Discontinuation
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CN101341670A (zh) * | 2005-10-27 | 2009-01-07 | 高通股份有限公司 | 用于时分双工系统的线性预编码 |
CN101222301A (zh) * | 2007-01-11 | 2008-07-16 | 中兴通讯股份有限公司 | 一种时分双工模式系统实现多输入多输出闭环传输的方法 |
CN101291503A (zh) * | 2007-04-17 | 2008-10-22 | 展讯通信(上海)有限公司 | 时分双工mimo多天线通信系统射频通路的校准方法与装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2448137A1 (en) | 2012-05-02 |
CN102396161A (zh) | 2012-03-28 |
US20120099469A1 (en) | 2012-04-26 |
BRPI0924672A2 (pt) | 2016-01-26 |
JP2012531132A (ja) | 2012-12-06 |
KR20120033335A (ko) | 2012-04-06 |
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