KR101456003B1 - Method for multiplexing data and control information - Google Patents

Abstract

There is provided a method of multiplexing a data information stream composed of systematic symbols and non-systematic symbols and three or more types of control information streams in a wireless mobile communication system. The multiplexing method includes the steps of mapping the data information stream to a resource area so that an information symbol is not mapped to a specific resource area to which the control information stream is mapped, And mapping to the region.

Information symbol, parity symbol, multiplexing, mapping

Description

[0001] METHOD FOR MULTIPLEXING DATA AND CONTROL INFORMATION [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of multiplexing data and control sequences in a wireless mobile communication system and mapping them to physical channels.

Data and control sequences transmitted from a media access control layer to a physical layer are encoded and then transmitted and controlled through a radio transmission link. Lt; / RTI > A channel coding scheme is a scheme that performs error detection, error correction, rate matching, interleaving, and transport channel information or control information on a physical channel And a process of mapping the image data to the image data. The data transmitted from the MAC layer is composed of systematic bits and non-systematic bits according to the above channel coding scheme. Here, the non-information bits may be parity bits.

In 3GPP, the UL-SCH and the RACH of the uplink transport channel can be mapped to the PUSCH and the PRACH, respectively, of the physical channels. Also, the UCI of the uplink control channel information may be mapped to the PUCCH and / or PUSCH. Among the downlink transmission channels, the DL-SCH, BCH, PCH, and MCH are mapped to PDSCH, PBCH, PDSCH, and PMCH among the physical channels, respectively. Of the downlink control channel information, CFI, HI, and DCI are mapped to PCFICH, PHICH, and PDCCH, respectively, of the physical channels. In order for each of the above-described transmission channels to be mapped to a physical channel, various processes are performed. In particular, processing for cyclic redundancy check (CRC) calculation, code block division, channel coding, rate matching, and code block concatenation is performed on one or more transmission channels or control information in a channel such as a UL-SCH.

1 shows a processing procedure for a transmission channel and / or control information. Data having the form of a maximum of one transport block is input for each transmission time interval (TTI). This transport block can be processed as follows. First, in a CRC attachment block, a CRC is added to data having a form of a transport block. In the code block segmentation block, the CRC-added data is divided into one or more code blocks. In the channel coding block, channel coding is performed on a code block data stream of each divided code block. In the rate matching block, rate matching is performed for each channel coded data stream. In a code block concatenation block, one or more rate matched data streams are concatenated to form a sequence of encoded encoded data bits. Meanwhile, the separate channel coding unit performs channel coding on the control information to form a sequence of encoded encoded control bits. In the data and control multiplexing block, the sequence of the encoded data bits and the sequence of the encoded control bits are multiplexed to output a sequence of multiplexed bits.

Here, according to the modulation order (Qm), one or more bits can constitute one symbol. For example, BPSK, QPSK, 16QAM, and 64QAM constitute one symbol of 1 bit, 2 bits, 4 bits, and 6 bits, respectively. In a system using SC-FDMA, one symbol is mapped to one resource element (RE), so that it can be explained on a symbol-by-symbol basis. Therefore, in this document, the terms' encoded data bits', 'encoded control bits', and' multiplexed bits' are referred to as' encoded data symbols', ' , 'Control symbol', and 'multiplexed symbol'. The terms 'coded data bits', 'coded data symbols', 'coded control bits', and 'coded control symbols' are referred to as 'data bits', 'data symbols' Control bit ', and' control symbol '.

The control information may be classified into one or more types according to its nature, and various multiplexing schemes may be considered depending on the number of classified types. When there is only one type of control information, the control information may not overwrite or overwrite the data information when the data information and the control information are multiplexed. When there are two types of control information, the control information can be divided into first type control information and second type control information. When the second type of control information is more important than the first type of control information, the control information of the first type is multiplexed in such a manner that the data information is overwritten or not overwritten when the data information and control information are multiplexed And thereafter, the second type of control information may not overwrite or overwrite the multiplexed data information and / or the first type of control information.

2 shows an embodiment of a transmission channel processing procedure for the UL-SCH of 3GPP. Figure 2 can be viewed as a matrix structure of C * R (e.g., C = 14), which may hereinafter be referred to as a "set of resource elements. &Quot; Here, C symbols are consecutively arranged in the time domain in the horizontal direction, and R virtual sub-carriers are arranged in the frequency domain in the vertical direction. In the set of resource elements, the virtual subcarriers are arranged adjacent to each other, but the carrier on each physical channel corresponding to each virtual subcarrier may be non-continuous in the frequency domain. Hereinafter, the virtual subcarriers associated with the set of resource elements are abbreviated as subcarriers in this document. 14 (C = 14) symbols constitute one subframe in the standard CP (normal cyclic prefix) structure, but 12 (C = 12) symbols in the extended CP (extended cyclic prefix) ) Can constitute one subframe. That is, FIG. 2 assumes a standard CP structure, and if having an extended CP structure, FIG. 2 may have a matrix structure of C = 12. Referring to FIG. 2, 'number of symbols' * 'number of subcarriers' = C * R = M symbols per one subframe may be mapped. That is, M symbols can be mapped to M resource elements per one subframe. However, RS (Reference Signal) symbols and / or SRS (Sounding RS) symbols may be mapped to M resource elements as well as multiplexed symbols generated by multiplexing data symbols and control symbols. Accordingly, when K RS symbols and / or SRS symbols are mapped, M-K multiplex symbols can be mapped.

FIG. 2 shows an example in which two kinds of control information, that is, control information 1 and control information 2 are mapped to a set of resource elements. Referring to FIG. 2, a sequence of multiplexed symbols is mapped by a time-first mapping method. That is, the first symbol positions of the first subcarrier are mapped sequentially to the right. When the mapping for one subcarrier is completed, the subcarrier is mapped sequentially from the first symbol position of the next subcarrier to the right. Hereinafter, 'symbol' may refer to 'SC-FDMA symbol'. The control information 1 and the data information are mapped by the time priority mapping method in the order of 'control information 1' → 'data information'. Control information 2 is mapped only to symbols on both sides of the RS symbol in the order of 'last subcarrier' → 'first subcarrier'. Here, the last subcarrier refers to the lowest subcarrier in the set of resource elements in FIG. 2, and the first subcarrier refers to the uppermost subcarrier. Here, the control information 1 is mapped by rate matching with the data information, and the control information 2 is mapped by puncturing the mapped control information 1 and / or data information in the above rate matching. Here, the data information may be formed by sequentially connecting a plurality of code blocks divided from one transport block.

When multiplexing data information and control information, the following should be considered. First, the rules for multiplexing should not be changed by the amount and kind of control information. Second, control information must not be multiplexed with data by rate matching or affect the transmission of other data in a circular buffer when control information punctures data and / or other types of control information. Third, the starting point of the circular buffer for the next surplus version should not be influenced by the presence or absence of control information. Fourth, it is necessary to avoid HARQ buffer corruption in a HARQ (Hybrid Automatic Repeat reQuest) transmission scheme. Also, in the method of mapping the multiplexed information to the data channel, a specific kind of control information must be mapped to a resource element close to RS that can exhibit good performance.

In the method of FIG. 2, since two types of control information are mapped to a virtual physical channel together with data information, a new rule is required to map another kind of control information together. In the method of FIG. 2, when the control information 2 punctures the data information and / or the control information 1, the last code block is used. However, when the probability of occurrence of an error in the last code block is high due to a transmission environment and a code rate, an error may occur only in the last code block. In this case, since the error is detected after all the code blocks are decoded, the determination of the transmission error is delayed, so that the power consumed for decoding the code blocks is also increased.

It is an object of the present invention to provide a method of mapping control information according to a predetermined rule considering the presence or absence of control information and the type of control information in order to solve the problems of the above-described conventional techniques and shape the performance of a wireless mobile communication system.

According to an aspect of the present invention, there is provided a method of multiplexing data information and a plurality of control information in a wireless mobile communication system, the method comprising: (a) transmitting a first vector sequence composed of rank information, And writing in one set of 4 columns of the set of the above matrices moving in an upward direction starting from a last row of the matrix for multiplexing a plurality of control information; (b) a second vector sequence generated by multiplexing the above CQI / PMI information and UL-SCH coded information, is shifted downward starting from the first row (row '0') of the above matrix And skipping the elements of the above matrix recorded by the above step (a) while moving in the right direction starting from the first column (column '0') in each row; And (c) a third vector sequence consisting of HARQ-ACK information, moving in an upward direction starting from the last row of the above matrix, and generating a different set of different sets of the above four rows of the above matrix And writing to another set of 4 columns. At this time, each of the vector elements of the first vector sequence, the second vector sequence, and the third vector sequence is composed of Qm bits, and the first vector sequence, the second vector sequence, Each vector element of the second vector sequence is written over Qm rows, and the number of columns of the matrix above may be equal to the number of SC-FDMA symbols carried by the PUSCH in one subframe. In this case, when the above data information and the plurality of control information are transmitted by the normal cyclic prefix configuration, the above four sets of columns are set to column indexes '1', '4', '7' , And '10', and the four columns of the other set above are the four columns corresponding to the column indexes '2', '3', '8', and '9' When the data information and the plurality of control information are transmitted by the extended cyclic prefix configuration, the above four sets of four columns have column indexes' 0 ',' 3 ',' 5 ', and' 8 'And the four columns of the other set above may be four columns corresponding to the column indexes'1','2','6', and '7'. If QPSK is used, Qm = 2, Qm = 4 when 16QAM is used, and Qm = 6 when 64QAM is used. At this time, the total number of elements of the above matrix is the total number of encoded bits Q (Q) for all RI blocks encoded in the UL-SCH data and the total number of encoded bits H allocated for CQI / PMI data RTI ID = 0.0 > _RI ). ≪ / RTI > At this time, the above step (a) is performed only when the rank information is transmitted in the subframe in which the above data information is transmitted, and in the above step (c), in the subframe in which the above data information is transmitted, the HARQ- Lt; / RTI > is transmitted. At this time, the first vector sequence, the second vector sequence, and the third vector sequence may be sequentially recorded starting from the first vector element in the sequence. At this time, a bit sequence output from the above matrix in a column by column may be used to generate a symbol input to a resource element mapper.

The CQI / PMI information and the UL-SCH coded information may be multiplexed in a data and control multiplexing unit of the wireless mobile communication device. The matrix for multiplexing the first vector sequence composed of the rank information, the second vector sequence outputted from the data-control multiplexing section, and the third vector sequence composed of the HARQ-ACK information may be a channel of the wireless mobile communication apparatus May be generated in a channel interleaver.

In a wireless mobile communication system according to another aspect of the present invention, a method of multiplexing data information and a plurality of control information includes the steps of: (a) receiving, from a resource element in which a reference signal is mapped among a set of physical resource elements, The first control information on the matrix for generating input information mapped to the set of physical resource elements is mapped on a resource element basis on the matrix, ; (b) mapping the above sequence on a resource element basis on the above matrix so that a sequence formed by multiplexing second control information and data information does not overwrite the mapped first control information; And (c) the third control information is mapped to the adjacent resource element on the time axis from the resource element on which the above reference signal is mapped among the above set of physical resource elements, And mapped on a per element basis.

In the method according to another aspect of the present invention, the first control information and the third control information are mapped in the upward direction starting from the last row of the above matrix, Starting from the first line of < RTI ID = 0.0 > a < / RTI > At this time, the first control information and the third control information are moved in the respective rows, starting from the right column and moving leftward, or starting from the left column moving rightward, And the above sequence can be mapped in the respective rows starting from the left column and moving rightward, or moving leftward starting from the right column, or in a specific order.

In the above-described method according to another aspect of the present invention, the first control information and the third control information are mapped starting from the first row of the above matrix and moving in the downward direction, Starting from the last line of < RTI ID = 0.0 > a < / RTI > In this case, the first control information and the third control information are moved in the respective rows starting from the left column and moving in the right direction, or starting from the right column moving in the left direction, , And the above sequence can be mapped in each row starting from the right column and moving left, or moving rightward starting from the left column, or in a specific order. In addition, the set of physical resource elements is composed of C symbol periods and R subcarriers, and the total length of the C symbol intervals is equal to the length of one subframe composed of two slots, The reference signal is mapped to two symbol intervals which are not adjacent to each other among the C symbol intervals, and the two symbol intervals are allocated to each of the above two slots, and the above matrix is (C-2 ) Rows and R rows, and each element of the above matrix corresponds one-to-one to each resource element of the above-mentioned set of physical resource elements except for the above two symbol periods, and the above multiplexing method Further comprising the step of arranging the above second information and the above data information so that the above data information is arranged after the above second control information before the step (b) above to form the above sequence , Step (a) above Is performed only when the first control information is transmitted, and step (c) can be performed only when the third control information is transmitted. Also, the first control information is information on a rank indication (RI), the second control information is information including at least one of a CQI and a PMI, and the third control information is HARQ And may be information on an ACK that is a response.

In a wireless mobile communication system according to another aspect of the present invention, in a wireless mobile communication system, a method of multiplexing data information and a plurality of control information includes a step of, on a matrix for generating input information mapped on a set of physical resource elements Mapping the first control information and the second control information on a resource element basis and mapping the sequence formed by multiplexing the second control information and the data information on the matrix on a resource element basis, The control information and the third control information are mapped to resource elements adjacent to each other on the time axis from the resource element on which the reference signal is mapped among the set of physical resource elements, and the above sequence is mapped on the mapped first control information and the third control information The information is not overwritten. In this case, the above sequence starts from the last row of the above matrix and is mapped in the upward direction. The above third control information is mapped to the downward direction starting from the first row of the above matrix, Information may be mapped in the downward direction starting from the next row of the lowest row among the rows to which the second control information is mapped. Or, the above sequence is mapped starting from the first row of the above matrix and moving downward, and the above third control information is mapped in the upward direction starting from the last row of the above matrix, and the above first control Information may be mapped in the upward direction starting from the next row of the uppermost row among the rows to which the second control information is mapped. Alternatively, the above sequence may be mapped as moving in the upward direction starting from the last row of the above matrix, and the above third control information is mapped downward starting from the first row of the above matrix, Information can be mapped in the upward direction starting from the next row of the top row of the above-mentioned second control information of the above sequence. Or, the above sequence is mapped starting from the first row of the above matrix and moving downward, and the above third control information is mapped in the upward direction starting from the last row of the above matrix, and the above first control Information can be mapped downward starting from the next row of the lowest row among the rows onto which the second control information on the above sequence is mapped. Alternatively, the above sequence is mapped as moving in the upward direction starting from the last row of the above matrix, and the above third control information is mapped starting from the first row of the above matrix and skipping one row downward, The first control information may be mapped starting from the second row of the above matrix and skipping one row downward. Alternatively, the above sequence is mapped as moving in the upward direction starting from the last row of the above matrix, and the above first control information is mapped starting from the first row of the above matrix and skipping one row downward, The third control information may be mapped starting from the second row of the above matrix and skipping downward by one row.

In the methods according to another aspect of the present invention described above, one or more of the above sequence, the first control information, and the third control information may start from the right column in each row, Or moving in the right direction, starting from the left column, or mapped in a particular order, and the remainder of the above sequence, the above first control information, and above one of the above third control information, Starting in the left column and moving in the right direction, starting in the right column, moving in the left direction, or mapped in a particular order within each row. In this case, the set of physical resource elements is composed of C symbol periods and R subcarriers, and the total length of the C symbol intervals is equal to the length of one subframe composed of two slots, The reference signal is mapped to two symbol intervals which are not adjacent to each other among the C symbol intervals, and the two symbol intervals are allocated to each of the above two slots, and the above matrix is (C-2 ) Rows and R rows, and each element of the above matrix corresponds one-to-one to each resource element of the above-mentioned set of physical resource elements except for the above two symbol periods, and the above multiplexing method , Further comprising the step of arranging the above second information and the above data information so that the above data information is arranged after the above second control information, before forming the above mapping step . Here, the first control information is information on a rank indication (RI), the second control information is information including at least one of a CQI and a PMI, and the third control information includes HARQ And may be information on an ACK that is a response.

The second control information and the data information may be multiplexed in a data and control multiplexing unit of the wireless mobile communication device, and the sequence and the plurality of control information output from the data- And may be multiplexed in a channel interleaver of the apparatus.

According to the present invention, in mapping data and control information in a multiplexed manner, there is provided a constant multiplexing and mapping rule considering the presence or absence and type of control information.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. The detailed description set forth below in conjunction with the appended drawings is intended to illustrate exemplary embodiments of the invention and is not intended to represent the only embodiments in which the invention may be practiced. The following detailed description includes specific details for a better understanding of the present invention. However, those skilled in the art will appreciate that the present invention may be practiced without these specific details. For example, in the following description, certain terms are mainly described, but they need not be limited to these terms, and they may have the same meaning when they are referred to as arbitrary terms. Further, the same or similar elements throughout the present specification will be described using the same reference numerals.

The suffix "module" and " part "for components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, it should be noted that the above-mentioned "module" and "part"

In actual implementation, each of the components on the block diagram may be divided into two or more hardware chips, and two or more components may be integrated into one hardware chip.

The embodiment according to the present invention, which will be described below, can be used for the transmission channel of the 3GPP, in particular, for the transmission channel for the UL-SCH.

The control information can be classified into various kinds. At this time, the classification criterion may be based on an arbitrary criterion or may be based on the importance of the control information. Here, the importance can be determined by evaluating the degree of influence on the performance of the wireless mobile communication system when the transmission of certain types of control information fails. A new multiplexing scheme is required to improve the performance of the wireless mobile communication system when a plurality of types of control information exist. For example, more important types of control information may be multiplexed in a way that is not overwritten by less important types of control information.

In the present invention, the control information 1 is a combination of CQI (Channel Quality Information), which is information indicating the channel quality, and Precoding Matrix Index (PMI), which is index information of a codebook used for pre- CQI / PMI. This control information 1 can be multiplexed with the data information by rate matching. In the present invention, the control information 2 may be ACK / NACK (ACKnowledgment / Negative acknowledgment), for example, an HARQ response. This control information 2 can be multiplexed by puncturing the data information or control information 1. [ In the present invention, the control information 3 may be RI (Rank Indication or Rank Information), which is information indicating the number of transport streams, for example. This control information 3 may be multiplexed in such a manner as to evaluate the data information or the control information 1, or rate-matched with the data information and / or the control information 1. [

Various embodiments presented in the present invention can be modified and applied to an up, down, left, and right opposite structure with respect to a subcarrier axis and a symbol axis (time axis) on a set of resource elements. Hereinafter, the 'symbol' in the embodiment of the present invention may be an SC-FDMA symbol.

In the present invention, 'puncturing' refers to a process of removing a specific bit (or symbol) from a sequence of bits (or symbols) and inserting a new bit (or symbol). That is, by replacing a part of information with another information, when the data information or control information is multiplexed, the information to be punctured replaces bits (or symbols) of the information to be punctured. According to the puncturing method, even when new information is inserted, the length of the entire bits (or symbols) is maintained and affects the code rate of the information to be punctured. In the present invention, 'rate matching' adjusts the coding rate of data information, so that when data information or control information is multiplexed, even if the position of each information can be changed, Symbol) itself. That is, the fact that the control information 1 and the data information are 'rate-matched' means that the sum of the amounts of the rate-matched control information and the data information has a certain size. Therefore, when the amount of the control information 1 to be transmitted increases, the amount of data information to be rate-matched with the control information 1 decreases accordingly.

In the case where a transport block is divided into a plurality of code blocks and transmitted and received, the receiving side can decode the code blocks in order starting from code block 0. In this case, if puncturing is performed from the last code block of the data information using the control information as described above, an error may occur only in the last code block due to the transmission environment and the coding rate. In this case, Much power is consumed in decoding. At this time, if control information for puncturing the data exists, it is advantageous to perform an early stop in the decoding process by performing evaluation from the preceding code block.

 The plurality of code blocks output from the code block division unit of FIG. 1 may have different sizes, and the front code block may have a smaller size than the rear code block. At this time, the code blocks having different sizes may be rate-matched such that they are the same size in the rate matching unit of FIG. In this case, the code rate of the front code block having a relatively short length is smaller than that of the rear code block having a relatively long length. Thus, when punctured by control information, the front code block is less affected by puncturing than the back code block.

In the embodiment of Figs. 7 to 12 of the present invention, when data information is punctured by control information, for example, control information 2, puncturing is performed from the first code block. Then, the probability that an error occurs in the first code block becomes relatively large, and an error may occur in the first code block. In this case, it is possible to early determine whether or not a transmission error has occurred, so that the power consumed for decoding the code blocks can be lowered. In addition, compared with the conventional method, there is an advantage that the influence of the data information on the puncturing of the control information is relatively reduced.

FIGS. 3 to 6 are diagrams for defining terms to be commonly used for explaining the embodiments of FIGS. 7 to 13 of the present invention.

It is assumed that the set of resource elements shown in FIGS. 3 to 13 described below is based on the configuration of the standard CP, and is made up of C * R = M resource elements for the sake of explanation. Here, 'C' denotes the number of 'symbol intervals' arranged in the time axis direction, and 'R' denotes the number of R subcarriers arranged in the virtual frequency direction. Here, 'symbol interval' means a time period in which one symbol exists, and thus the length of one symbol interval is the same as the length of one symbol.

For the following description, a subcarrier located in the first row is defined as 'subcarrier 0', and a subcarrier located in the last row is defined as 'subcarrier R-1' in the entire region of the set of resource elements do. That is, the first subcarrier in the transmission band is defined as 'subcarrier 0', the subcarrier is defined as 'subcarrier 1', 'subcarrier 2' or the like in the downward direction and the subcarrier corresponding to the last is defined as 'subcarrier R-1' Can be defined.

3 (a), 3 (b), 4 (a) and 4 (b) are diagrams for explaining the concept for explaining the embodiment of the present invention. Hereinafter, in this document, the terms 'first subcarrier' and 'last subcarrier' are used in relation to a specific time-frequency domain (hereinafter 'domain A') defined for a part or all of a set of all resource elements. Region A refers to an arbitrary region in the set of all resource elements, and each resource element in region A may be spaced apart from one another in time or frequency, as shown in Fig. 4 (b). The 'first subcarrier' of the region A means a subcarrier of the column at the top of the region A, and the 'last subcarrier' of the region A means a subcarrier of the row at the bottom of the region A. In addition, 'first resource element' ('F') and 'last resource element' ('L') are used in association with area A. That is, the 'first resource element' of the region A refers to the resource element that is the temporally preceding resource element in the first subcarrier of the region A, that is, the resource element in the leftmost row, and the 'last resource element' of the region A is the last subcarrier Refers to the resource element that is located at the latest in time, i.e., the resource element in the rightmost row. Also, in one subcarrier, the first resource element refers to the resource element that precedes the most in time in the subcarrier, and the last resource element refers to the resource element that is located last in time in the subcarrier.

Referring to FIG. 5A, the RS is mapped to an RS symbol interval including an RS symbol interval (0) and an RS symbol interval (1) which are not adjacent to each other. The 'RS symbol interval area' is an area including 2 * R resource elements located in the RS symbol interval. The RS symbol interval area can be divided into the RS symbol interval area (0) and the RS symbol interval area (1). The RS symbol interval area (0) and the RS symbol interval area (1) have N resource elements in the frequency direction, respectively.

Referring to FIG. 5B, the 'first symbol interval' is defined as four symbol intervals separated by 0 symbol intervals in the RS symbol interval. The 'first symbol interval region' is an area including 4 * R resource elements located in the first symbol interval. Therefore, in FIG. 3 to FIG. 6, the 'first symbol interval region' includes a first symbol interval region 0, a first symbol interval interval 1, a first symbol interval interval 2, The first symbol interval region 3 '.

Referring to (c) of FIG. 5, the 'second symbol interval' is defined as four symbol intervals separated by one symbol interval in the RS symbol interval. The 'second symbol interval region' is an area including 4 * R resource elements located in the second symbol interval. Therefore, in FIG. 3 to FIG. 6, the 'second symbol interval region' includes the second symbol interval region 0, the second symbol interval interval 1, the second symbol interval interval 2, The second symbol interval region 3 '.

Since the positions of the RS symbol periods shown in FIGS. 3 to 13 can be changed while maintaining the RS symbol interval 0 and the RS symbol interval 1 separated from each other, Should be understood relative to the RS symbol interval.

The RS symbol interval area, the first symbol interval area, and the second symbol interval area can be regarded as examples of the above-described 'area A'.

In the present invention, the term " forward mapping order " is used in association with the above-described area A. The mapping in accordance with the forward mapping order from the specific resource element in the region A means that the mapping is performed in the order from the subcarriers to which the specific resource element belongs in the downward direction in the region A and mapped according to the flow of time in each subcarrier , That is, in the order of the left-to-right direction of the row, that is, a two-dimensional mapping method. For example, if the first resource element in the entire region of the set of resource elements shown in FIG. 3A is mapped by the forward mapping order, the mapping is performed according to the direction of the arrow (dotted line) in the order of subcarrier 0 to subcarrier N-1 (See Fig. 6 (a)). Conversely, the term 'reverse mapping order' is intended to denote a mapping scheme in the reverse order of the forward mapping order above. That is, mapping from the specific resource element in the region A according to the reverse mapping order means mapping within the region A from the subcarriers to which the specific resource element belongs in the order of the upward direction, and in each subcarrier, (2-dimensional) mapping method in which the pixels are mapped in the order of mapping from the right row to the left row. For example, when mapping is performed in the reverse mapping order from the last first resource element of the entire region of the set of resource elements shown in FIG. 3A, the mapping is performed according to the direction of the arrow (dotted line) in the order of subcarrier N- (See Fig. 6 (b)).

In FIGS. 7 to 12 of the present invention, when data information is punctured by control information, for example, control information 2, puncturing is performed from the first code block. Then, the probability that an error occurs in the first code block becomes relatively large, and an error may occur in the first code block. In this case, it is possible to early determine whether or not a transmission error has occurred, so that the power consumed for decoding the code blocks can be lowered. In addition, compared with the conventional method, there is an advantage that the influence of the data information on the puncturing of the control information is relatively reduced.

It is to be understood that the set of resource elements shown in FIGS. 3 to 13 described below is based on the configuration of the standard CP, but it can be understood that even if the configuration of the extended CP composed of 12 symbols is assumed, have.

≪ Embodiment 1 >

7 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to an embodiment of the present invention.

7, the control information 1 is mapped in the direction of the time axis (symbol axis), and the control information 2 is mapped to the resource element corresponding to the symbol immediately next to the symbol to which the RS is mapped. That is, it is mapped in the first symbol interval region described above.

Control information 1 is mapped to one or more consecutive resource elements of the last part including the last resource element, except for the resource element to which the RS is mapped, in the entire area of the set of resource elements. At this time, the control information 1 can be mapped in the order of (1) → (2). That is, the control information 1 can be mapped by the forward mapping order from the first resource element in the area to which the control information 1 is mapped. Alternatively, the control information 1 may be mapped in the order of (2) → (1). That is, the control information 1 can be mapped in the reverse mapping order from the last resource element of the region to which the control information 1 is mapped.

The control information 2 is mapped to a resource element located just before or just after the resource element to which the RS is mapped. For example, when the mapped RS is a j-th resource element, the control information 2 may be mapped to the (j-1) th resource element and the (j + 1) th resource element. At this time, the order in which the control information 2 is mapped is mapped in the forward direction, the reverse direction, or the specific mapping order in the first symbol interval region.

The above method can be modified to be symmetrical in the up, down, left, and right directions in the set of resource elements in Fig. In other words, the control information 1 can be mapped to one or more contiguous consecutive resource elements including the first resource element, except for the resource element to which the RS is mapped, in the entire area of the set of resource elements. At this time, they can be mapped in the forward mapping order or the reverse mapping order. The control information 2 may be mapped in the first symbol interval area, and may be mapped in the forward, reverse, or specific mapped sequence in the area consisting of all the resource elements belonging to the first symbol interval area.

In Fig. 7, control information 1 does not puncture data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 may puncture the data information and / or control information 1 in the first symbol interval region. Also, when the number of symbols of the control information 2 is larger than the number of resource elements of the first symbol interval area, the control information 2 can puncture the control information 1 even outside the first symbol interval area.

≪ Embodiment 2 >

8 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

In FIG. 8, control information 1 is mapped in the same manner as the method of FIG. 7, and control information 2 and control information 3 are mapped to resource elements of the first symbol interval region. The control information 2 is mapped in the forward direction, reverse direction, and specific mapping order in the first symbol interval region. The control information 3 is mapped by forward, backward, and specific mapping sequences in the remaining area except for the area where the control information 2 is mapped in the first symbol interval area. If there is no control information 3, the method according to FIG. 8 is the same as the method according to FIG.

In Fig. 8, the control information 1 does not puncture the data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 and / or control information 3 may puncture the data information and / or control information 1 in the first symbol interval region. When the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information 2 and / 1 can be punctured. Or control information 2 and / or control information 3 may be transmitted through resource elements secured through rate matching for data information.

If the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information having the higher priority among the control information 2 and the control information 3 has priority May be mapped to replace the lower control information. In other words, control information having a higher priority is mapped first in the first symbol interval region, and control information having a lower priority is allocated to control information having higher priority than the number of resource elements in the first symbol interval region The number of resource elements to be mapped is subtracted from the number of resource elements to be mapped. For example, if the priority of the control information 2 is higher than the priority of the control information 3, all of the control information 2 is mapped first in the first symbol interval area, Information 3 is mapped. Therefore, some of the control information 3 may not be mapped in the first symbol interval region.

The method according to the above FIG. 8 can be modified from the set of resource elements shown in FIG. 8 to the up, down, left, and right symmetry as described in FIG. That is, the control information 1 may be mapped to one or more contiguous consecutive resource elements including the first resource element, except for the resource element to which the RS is mapped, in the set of all resource elements. At this time, they can be mapped in the forward mapping order or the reverse mapping order. The control information 2 may be mapped in forward, reverse, or specific mapping order in the first symbol interval region. The control information 3 may be mapped in forward, reverse, or specific mapping order from the next resource element of the last resource element to which the control information 2 is mapped.

≪ Example 3 >

9 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

In Fig. 9, control information 1 is mapped by the same method as in Fig. Control information 2 and control information 3 are mapped to resource elements in the first symbol interval region. The control information 2 is mapped in forward or backward directions or in a specific mapping order in the first symbol interval region. The control information 3 is mapped in forward or backward directions or in a specific mapping order in the remaining area except for the area where the control information 1 is mapped in the first symbol interval area. If control information 2 does not exist, control information 1 and control information 3 are mapped to a state in which control information 2 is missing in FIG. 9, the control information 3 may be lost.

In Fig. 9, the control information 1 does not puncture the data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 and / or control information 3 may puncture the data information and / or control information 1 in the first symbol interval region. When the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information 2 and / 1 can be punctured. Alternatively, the control information 2 and / or control information 3 may be transmitted through resource elements secured through rate matching for data information.

If the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information having the higher priority among the control information 2 and the control information 3 has priority May be mapped to replace the lower control information. This is as described above with reference to FIG.

The method according to the above FIG. 9 can be transformed into the up, down, left, and right symmetry in the set of resource elements in FIG. 9 as described in FIG. That is, the control information 1 can be mapped to one or more contiguous consecutive resource elements including the first resource element, excluding the resource element to which the RS is mapped, in the set of all resource elements. At this time, they can be mapped in the forward mapping order or the reverse mapping order. The control information 2 may be mapped in forward or backward directions or in a specific mapping order in the first symbol interval region. The control information 3 may be mapped in forward or backward directions or in a specific mapping order in an area other than where the control information 1 is mapped in the first symbol interval area.

<Example 4>

10 and 11 illustrate a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

In Fig. 10, the control information 1 is mapped by the same method as in Fig. Control information 2 and control information 3 are mapped to resource elements in the first symbol interval region. The control information 2 and the control information 3 may be mapped to each other on a subcarrier basis in the first symbol interval region. In other words, referring to FIG. 10, four symbols of control information 2 are mapped to the first subcarrier resource element of the entire area of the set of resource elements, and four symbols of control information 3 are mapped to the second subcarrier resource element. This process is repeated in subcarrier units. Assuming that the total number of symbols of the control information 2 is smaller than the total number of symbols of the control information 3, after all the symbols of the control information 2 are mapped, the symbols of the control information 3 are allocated to all the remaining subcarriers in the first symbol interval area Can be mapped. Even when the total number of symbols of the control information 3 is less than the total number of symbols of the control information 2, the same mapping can be performed.

Alternatively, the control information 2 is first mapped to the first, third, fifth, etc. subcarriers of the entire area of the set of resource elements, and then the control information 3 is mapped to the control information 2 in the first symbol interval area It can only be mapped to a resource element that has not been mapped.

In Fig. 10, the control information 1 does not puncture the data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 and / or control information 3 may puncture the data information and / or control information 1 in the first symbol interval region. When the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information 2 and / 1 can be punctured. Alternatively, the control information 2 and / or control information 3 may be transmitted through resource elements secured through rate matching for data information.

If the sum of the number of symbols of the control information 2 and the control information 3 is larger than the number of resource elements of the first symbol interval area, the control information having the higher priority among the control information 2 and the control information 3 has priority May be mapped to replace the lower control information. This is as described above with reference to FIG.

The method according to the above FIG. 10 can be modified to be symmetrical up, down, left, and right in the set of resource elements shown in FIG. 10 as described in FIG. That is, the control information 1 can be mapped to one or more contiguous consecutive resource elements including the first resource element, excluding the resource element to which the RS is mapped, in the set of all resource elements. The control information 2 may be mapped in the reverse mapping order from the last resource element of the last subcarrier in the first symbol interval region. The control information 2 and the control information 3 may be mapped to each other on a subcarrier basis in the first symbol interval region. That is, four symbols of the control information 2 are mapped to the last subcarrier of the entire region of the set of resource elements, and four symbols of the control information 3 are mapped to the second subcarrier of the last. This process is repeated in subcarrier units.

11 is the same as the method of FIG. 10, except that the positions of the control information 2 and the control information 3 are changed from each other in comparison with FIG.

&Lt; Example 5 >

12 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

12, the control information 1 is mapped in the same manner as the method of FIG. 7, the control information 2 is mapped to the first symbol interval area, and the control information 3 is mapped to one symbol interval To the resource element of. That is, the control information 3 maps in the second symbol interval region. The control information 2 is mapped in forward or backward directions or in a specific mapping order in the first symbol interval region. The control information 3 is mapped in forward or backward directions or in a specific mapping order in the second symbol interval region. If there is no control information 3, the method according to FIG. 12 is the same as the method according to FIG. If control information 2 does not exist, control information 1 and control information 3 are mapped in a state in which control information 2 is missing in FIG. 12, and control information 1 and control information 2 are not 12 can be mapped to a state in which the control information 3 is missing.

At this time, if the control information 3 is multiplexed in a manner of puncturing, the control information 3 is mapped to the second symbol interval area, i.e., mapped to the resource element next to the resource element to which the control information 2 is mapped, There is an advantage that it is possible to reduce the puncturing.

In Fig. 12, the control information 1 does not puncture the data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 may puncture the data information and / or control information 1 in the first symbol interval region. The control information 3 may puncture the data information and / or the control information 1 in the second symbol interval region. Alternatively, the control information 2 and / or the control information 3 may be transmitted through resource elements secured through rate matching for the data information. For example, the control information 2 punctures the data information and the control information 1, and the control information 3 is mapped to the data information and / or the control information 1 so as to be rate matched and inserted between the data information and / .

If the number of symbols of the control information 2 is greater than the number of resource elements of the first symbol interval region, the control information 2 can puncture the control information 1 even outside the first symbol interval region. Also, when the number of symbols of the control information 3 is larger than the number of resource elements of the second symbol interval region, the control information 3 can puncture the control information 1 even outside the second symbol interval region.

The method according to FIG. 12 can be modified symmetrically on the set of resource elements. This configuration will be described with reference to FIG.

&Lt; Example 6 >

13 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

In Fig. 13, control information 1 can be mapped to one or more contiguous consecutive resource elements including the first resource element, except for the resource element to which RS is mapped, in the set of all resource elements. The control information 2 is mapped in the first symbol interval area, and the control information 3 is mapped in the second symbol interval area. The control information 2 may be mapped in forward or backward directions or in a specific mapping order in the first symbol interval region. The control information 3 is mapped in forward or backward directions or in a specific mapping order in the second symbol interval region. If control information 2 does not exist, control information 1 and control information 3 are mapped in a state in which control information 2 is missing in FIG. 13, and control information 1 and control information 2 are not 13, the control information 3 may be lost.

At this time, if the control information 3 is multiplexed in a manner of puncturing, the control information 3 is mapped to the second symbol interval area, i.e., mapped to the resource element next to the resource element to which the control information 2 is mapped, There is an advantage that it is possible to reduce the puncturing.

In Fig. 13, the control information 1 does not puncture the data information. That is, the control information 1 is rate-matched with the data information. In addition, control information of different nature may be formed in a concatenated manner. The control information 2 may puncture the data information and / or control information 1 in the first symbol interval region. The control information 3 may puncture the data information and / or the control information 1 in the second symbol interval region. Alternatively, the control information 2 and / or the control information 3 may be transmitted through resource elements secured through rate matching for the data information. For example, the control information 2 punctures the data information and the control information 1, and the control information 3 is mapped to the data information and / or the control information 1 so as to be rate matched and inserted between the data information and / .

If the number of symbols of the control information 2 is greater than the number of resource elements of the first symbol interval region, the control information 2 can puncture the control information 1 even outside the first symbol interval region. Also, when the number of symbols of the control information 3 is larger than the number of resource elements of the second symbol interval region, the control information 3 can puncture the control information 1 even outside the second symbol interval region.

In addition, the method according to FIG. 13 shares the other features described in FIG. 12 since the method according to FIG. 13 is a structure symmetrical up and down and right and left on the set of resource elements as compared with the method according to FIG. Hereinafter, in the method according to FIG. 12 or 13, the position of control information 3 will be described in more detail with reference to Tables 1 to 9.

7 to 13, the above control information 1 may be multiplexed with the data information before being mapped on the set of the above resource elements. That is, it is possible to multiplex the control information 1 and the data information so that the data information is arranged next to the control information 1 to generate a multiplexed stream. Then, the above multiplexed stream is mapped by the forward mapping order from the first resource element of the entire region of the set of the above resource elements, or, conversely, from the last resource element of the entire region of the set of the above resource elements to the reverse mapping order . In this way, the control information 1 can be stored in the entire area of the set of resource elements, as described above, except for the resource elements to which the RS is mapped, one or more consecutive resource elements including the first resource element or the last resource element . &Lt; / RTI &gt; It is also understood that the above-described embodiments can be used even when control information 1 does not exist.

8 to 13, if control information 2 does not exist, control information 1 and control information 3 are mapped in a state in which control information 2 is missing in each diagram, 3 does not exist, the control information 1 and control information 2 can be mapped to the state in which the control information 3 is missing in each diagram.

In the method according to FIG. 12 or 13, the position of the control information 3, that is, the second symbol period can be defined by any one of Tables 1 to 9 exemplarily listed below. Tables 1 to 9 show symbol intervals in which the control information 3 can be mapped according to the configuration of the CP and the configuration of the SRS. Although the standard CP is assumed in FIG. 12 or FIG. 13, the same method can be used for the extended CP.

FIG. 14A shows a configuration according to an embodiment in which a standard CP is used, and FIG. 14B shows a configuration according to an embodiment in which an extended CP is used.

Usually, the symbol interval in which data information and control information are available can be changed by the configuration of the CP and the configuration of the SRS. When a standard CP is used, as shown in Fig. 14 (a), one subframe consists of 14 symbol periods. In this case, it is assumed that the RS is located in the fourth ('④') and eleventh ('⑪') symbol intervals of the 14 symbol periods in Tables 1 to 9. Further, when the extended CP is used, one subframe consists of 12 symbol periods as shown in FIG. 14 (b). In this case, it is assumed that RS is located in the fourth ('④') and the tenth ('⑩') symbol periods of the 12 symbol periods in Tables 1 to 7. Unlike the above assumption, the symbol interval in which the RS is located may be changed from the case of Tables 1 to 9, and the symbol interval in which the data information and the control information can be mapped is shown in Tables 1 to 9 It is to be understood that the present invention may be changed without departing from the scope of the present invention.

In Table 1 to Table 9, the numbers indicated in the "{}" of the row marked "Column Set" represent the symbol intervals in which the control information 3 can be mapped. However, this number is allocated except for the symbol period in which RS is mapped in FIG. 14 (a) and FIG. 14 (b). That is, the numbers indicated in '{}' represent symbol intervals corresponding to the numbers arranged at the bottom of FIG. 14 (a) and / or FIG. 14 (b). The number indicated in the '{}' may have a value of '0' to '11' in the case of the standard CP, and a value of '0' to '9' in the case of the extended CP.

Tables 1 to 9 show the configuration in which the SRS is mapped in the first symbol interval and the configuration in which the SRS is mapped in the last symbol interval. The " First SC-FDMA symbol " refers to the case where the SRS is mapped to the first symbol, the "Last SC-FDMA symbol" refers to the case where the SRS is mapped to the last symbol, SRS "refers to the case where the SRS is not mapped.

In Table 1, in the last SC-FDMA symbol of the extended CP, one of several "column sets" can be used.

In the case of an extended CP, exceptionally, the SRS may not be allowed to map in the last symbol interval, or the SRS may be dropped even if allowed. In this case, as shown in Table 2, the "Last SC-FDMA symbol" may have the same "Column set" as "No SRS".

The configuration of the "Last SC-FDMA symbol" of the extended CP in Table 3 indicates that the position of the symbol interval to which control information 3 is mapped due to SRS can be changed.

In the case of an extended CP, exceptionally, the SRS may not be allowed to map in the last symbol interval, or the SRS may be dropped even if allowed. If the "Last SC-FDMA symbol" SRS in the extended CP is exceptionally unacceptable or allowed in the extended CP, it can be used when the "Last SC-FDMA symbol" SRS can be dropped. The first SC-FDMA symbol part (including the "Column set") may be missing.

Referring to FIGS. 14A and 14B, it can be seen that the configuration of each "Column set" in Table 5 corresponds to the second symbol interval region described above. That is, in each configuration, it can be seen that the control information 3 is mapped in a symbol interval that is one symbol interval from the symbol interval in which the RS is mapped. At this time, in the case of the "Last SC-FDMA symbol" configuration in the extended CP, the number 9 indicates the location of the SRS, except that the SRS is not allowed to be mapped in the last symbol interval or the SRS is dropped, Such a configuration can be used. In addition, regardless of the SRS configuration, the "Column set" position in each CP configuration is the same, so that when the table 5 is constructed, the SRS configuration can be displayed without any configuration.

Referring to FIGS. 14A and 14B, it can be seen from Table 6 that each configuration except for the configuration of "Last SC-FDMA symbol" in the extended CP corresponds to the second symbol interval region described above . According to each configuration in Table 6, it can be seen that the control information 3 is not mapped to the resource element of the first symbol interval. In Table 6, in the configuration of "Last SC-FDMA symbol & It is not mapped to the symbol interval '9'. This is because the SRS is mapped to the position of the symbol interval '9'. Comparing Table 6 with Table 5, it can be seen that the configuration of the "Last SC-FDMA symbol" in the extended CP is different. That is, the control symbol 3 located in the symbol interval '9' in Table 5 is mapped to the symbol interval '5' which is the symbol interval not adjacent to the symbol interval in which RS is mapped in Table 6. [ The column set is indicated in order of {1, 4, 6, 5} in the "last SC-FDMA symbol" configuration in the extended CP of Table 6, because the symbol interval '6' is shorter than the symbol interval ' Quot; 6 &quot; may have priority over the symbol interval &quot; 5 &quot; since the symbol interval is closer to the symbol interval. That is, if the control information is to be filled in only one of the symbol interval '6' and the symbol interval '5' in the process of uniformly filling control information in each symbol interval, the symbol interval '6' to be. However, even if the "Column set" is displayed in the order of {1, 4, 6, 5}, the priority may have the order of {1, 4, 5, 6}. What is important is the position of the symbol interval to which the control information 3 is mapped.

Referring to FIGS. 14A and 14B, it can be seen that each configuration of the extended CP corresponds to the second symbol interval area in Table 7. In addition, according to each configuration in Table 7, it can be seen that the control information 3 is not mapped to the resource element of the first symbol period. Unlike Table 5 and Table 6, in Table 7, the extended CP has the same "Column set" configuration regardless of the SRS configuration. The column set is indicated in order of {1, 4, 6, 5} in the "last SC-FDMA symbol" configuration in the extended CP of Table 6, because the symbol interval '6' is shorter than the symbol interval ' Quot; 6 &quot; may have priority over the symbol interval &quot; 5 &quot; since the symbol interval is closer to the symbol interval. That is, if the control information is to be filled in only one of the symbol interval '6' and the symbol interval '5' in the process of uniformly filling the control information in each symbol interval, the symbol interval '6' to be. However, even if the "Column set" is displayed in the order of {1, 4, 6, 5}, the priority may have the order of {1, 4, 5, 6}. What is important is the position of the symbol interval to which the control information 3 is mapped. In Table 7, regardless of the SRS configuration, Table 7 can be displayed in the form without SRS configuration because it has the same "Column set" in each CP.

Figures 15 (a) and 15 (b) show a structure in an exemplary extended CP. This is a diagram for explaining the constitution according to Tables 8 and 9 below.

Table 8 shows the configuration when the symbol interval in which the RS is mapped in the extended CP is changed. Especially, in Table 8, it is assumed that the RS is located in the third ('③') and ninth ('⑨') symbol intervals of the symbol interval (see FIG. According to the configuration of the extended CP in Table 8, the control information 3 is mapped in a symbol interval separated by one symbol interval from the symbol interval in which the RS is mapped. That is, mapped in the second symbol period. Referring to the configuration in Table 8, it can be seen that the position of the symbol interval to which control information 3 is mapped can be modified according to the positions of RS and SRS.

Table 9 shows the configuration when the symbol interval in which the RS is mapped in the extended CP is changed. In particular, in Table 9, it is assumed that the RS is located in the fourth ('④') and ninth ('⑨') symbol intervals of the symbol interval (see FIG.

2 to 15, a description has been made of a set of physical resource elements including a resource element to which the RS is mapped in order to express a relative relationship between a position at which data information and control information are mapped and a position at which the RS is mapped . Here, it is understood that the above-described embodiments can be explained using a structure of a time-frequency matrix excluding a resource element in which RS is mapped in a set of physical resource elements.

The data and control information mapped on the set of physical resource elements shown in FIGS. 2 to 15 are scrambled and modulation-mapped as in the process of the PUSCH of 3GPP TS 36.211 And then input to a resource element mapper via a transform precoder. In addition, the abbreviations referred to in this application refer to the abbreviations given in 3GPP TS 36.212.

Hereinafter, a method of applying an embodiment of multiplexing control information CQI / PMI and RI with data information to 3GPP TS 36.212 V8.2.0 in the method according to the present invention will be described.

는 입력 데이터를 나타내고,

는 입력 랭크 정보(RI)를 나타내고,

는 다중화된 출력을 나타낸다. 여기서

이다. Below,

Represents input data,

Represents input rank information RI,

Represents the multiplexed output. here

to be.

It can be multiplexed through the processing steps described below.

1. Determine the number of symbols per subframe by the formula below.

은 1개의 서브프레임에서 PUSCH를 전달하는 SC-FDMA의 심볼의 개수이다. 그리고,

은 1개의 업링크 슬롯 내의 심볼의 개수이다. 그리고

는 1개의 서브프레임 내에서 SRS 전송을 위해 사용되는 심볼의 개수이다.here,

Is the number of SC-FDMA symbols carrying PUSCH in one subframe. And,

Is the number of symbols in one uplink slot. And

Is the number of symbols used for SRS transmission in one subframe.

2. Determine the number of modulation symbols (G ') of the data information by the following formula.

G '= G / Qm1 (Qm1: modulation order of data)

3. Determine the number of modulation symbols (Q ') of the rank information by the following formula.

Q '= Q / Qm2 (Qm2 is the modulation level of the rank information)

4. Determine the number of subcarriers (K) occupied by the modulation symbols of the rank information.

K = ceil (Q '/ maximum number of resources for rank information)

5. Determine the number of modulation symbols of rank information per symbol.

It calculates the amount that can be entered per symbol in which rank information is located. Based on Q ', it divides by' floor 'and' ceil 'at the symbol position where each rank information is located, And determines the number of modulation symbols of rank information that each symbol that rank information can be located can have. At this time, the slots can be equally divided into at most two slots and can be allocated in the direction from the front slot to the rear slot or vice versa.

6. Multiplex the modulation symbols of the data information and the rank information.

Ultimately, since the rank information must be accumulated from the bottom of the subcarrier, the rank information should be mapped in the corresponding symbol while the data information is mapped in the time priority manner. Since the data information is mapped from the uppermost subcarrier, if the number of the subcarriers is subtracted from the total number of the subcarriers, the position of the subcarrier where the rank information can be located can be known. Therefore, Mapping. This is expressed in pseudo code as follows.

================================================== ===========================

For (from 0 subcarrier to last subcarrier) {

   If (if the current subcarrier number is less than the total number of subcarriers minus K) {

      for (from SC-FDMA symbol 0 to the number of SC-FDMA symbols per subframe)

      {

         Map data to output one symbol at a time

         SC-FDMA symbol count increase

         Increase data symbol count

      }

   else {

      for (from SC-FDMA symbol 0 to the number of SC-FDMA symbols per subframe)

      {

         if (the number of modulation symbols of the rank information in the corresponding SC-FDMA symbol calculated in step 4 is 0) {

            Map data to output one symbol at a time

            SC-FDMA symbol count increase

            Increase data symbol count

         }

         else {

            Map rank information to output one symbol at a time

            SC-FDMA symbol count increase

            Rank information count increase

            The number of modulation symbols of the rank information is 1 in the corresponding SC-FDMA symbol calculated in step 4

         }

      }

   }

   Increase the count of subcarriers

}

================================================== ===========================

The details of how the rank information is located between data due to rate matching methods and the like, rather than puncturing, may be used in whole or in part.

In the method according to FIG. 13 according to the present invention, another method for applying one embodiment of multiplexing control information CQI / PMI and RI with data information to 3GPP TS 36.212 V8.2.0 will be described.

For example, if the amount of RI does not involve resources occupied by the CQI / PMI (the number of subcarriers including symbols occupied by the RI and the number of subcarriers occupied by the CQI / PMI per PFERCH Does not exceed the total number of subcarriers used for transmission). Therefore, the amount of RI, CQI / PMI, and data information should be considered to be such that they do not interfere with each other. If there is a case of mutual interference, RI can use the method of puncturing CQI / PMI and modify the following method.

는 CQI/PMI 입력을 나타내며,

은 데이터 정보의 입력을 나타내며,

(코드 비트) 또는

(벡터 시퀀스, 변조 등급이 고려된 심볼 형태)는 RI 입력을 나타낸다. 그리고,

은 출력을 나타낸다. 여기서, RI가 코드 비트인 경우에는 H=(G+Q+Q_RANK), H'=H/Qm이고, RI가 벡터 시퀀스인 경우에는 H'=H/Qm+Q'_RANK이다. here,

Represents a CQI / PMI input,

Represents the input of data information,

(Code bit) or

(Vector sequence, symbol type in which the modulation grade is considered) represents the RI input. And,

Represents the output. Here, the case of the RI bits, the code H = (G + Q + Q RANK), H '= H and / Qm, if the RI is a vector sequence, H' = H / Qm + Q 'RANK.

는 PUSCH 전송을 위한, 서브프레임 당 심볼의 개수를 나타낸다.

은 1개의 서브프레임 내에서 PUSCH를 운반하는 부반송파의 개수를 나타낸다.

Represents the number of symbols per subframe for PUSCH transmission.

Represents the number of subcarriers carrying the PUSCH in one subframe.

와 같이 표시될 수 있다. 여기에서 4는 RI를 위한 자원의 최대 개수이고, 그 수로 딱 나누어 떨어지는 경우에는 올림/내림을 기호를 쓰지 않을 수 있다. 다르게는, RI가 벡터 시퀀스인 경우에는

와 같이 표시할 수 있다. 여기에서 4는 RI를 위한 자원의 최대 개수이고, 그 수로 딱 나누어 떨어지는 경우에는 올림/내림을 기호를 쓰지 않을 수 있다.The number of subcarriers used for rank information in one subcarrier can be divided into two types as follows. That is, when RI is a code bit

As shown in FIG. Where 4 is the maximum number of resources for the RI, and may not be rounded up / down if the number is just divisible by that number. Alternatively, if RI is a vector sequence

As shown in FIG. Where 4 is the maximum number of resources for the RI, and may not be rounded up / down if the number is just divisible by that number.

The number of rank information encoded in the bit / vector sequence in the i-th symbol carrying the PUSCH in one subframe is denoted by ni.

Refer to Tables 10 to 12 for the number of encoded bit / vector sequences for rank information mapped to each symbol carrying a PUSCH for a subframe with a standard CP. Table 10 shows the value of ni in a subframe with a standard CP. Table 11 shows ni values in a subframe having an extended CP without SRS. Table 12 shows ni values in a subframe having an extended CP with SRS in the last symbol.

In Table 10, it is aimed to divide as much as possible evenly the symbols in which two slots and RI can be located. In this case, the uniformly used method can be performed by using up / down / modulo, etc., and can be changed according to the position priority of a symbol that RI can be located if necessary. That is, the number may vary by 1 in various combinations such as 1>4>7> 10 or 1>7>4> 10 or 4>7>1> 10, Can be modified. In addition, two cases of Q _RANK and Q ' _RANK are mentioned. If RI is a coded bit, the equation using Q _RANK can be used, and when RI is a vector sequence, Q' _RANK can be used.

In Table 11, it is aimed to divide as uniformly as possible the symbols in which two slots and RI can be located. In this case, the uniformly used method can be performed by using up / down / modulo, etc., and can be changed according to the position priority of symbols where RI can be located, if necessary. That is, the number may vary from one degree to another by various combinations such as 1>4>6> 9 or 1>6>4> 9 or 4>6>1> 9, Can be modified. In addition, two cases of Q _RANK and Q ' _RANK are mentioned. If RI is a code bit, Q _RANK can be used. If RI is a vector sequence, Q' _RANK can be used.

In Table 12, it is aimed to divide as much as possible the symbols in which two slots and RI can be located. In this case, the uniformly used method can be performed by up / down / modulo, etc., and can be changed according to the position priority of the SC-FDMA symbol where RI can be located, if necessary. That is, the number may vary from one degree to another by various combinations such as 1>4>6> 5 or 1>6>4> 5 or 4>6>1> 5, Can be modified. In addition, two cases of Q _RANK and Q ' _RANK are mentioned. If RI is a code bit, Q _RANK can be used. If RI is a vector sequence, Q' _RANK can be used.

The control information, rank information, and data information can be multiplexed as follows.

================================

===================================

,

,

를 사용할 수 있고, 벡터 시퀀스인 경우에는

,

,

를 사용할 수 있다.If RI is a code bit above

,

,

, And if it is a vector sequence

,

,

Can be used.

In the method according to FIG. 13 according to the present invention, another method of multiplexing control information CQI / PMI and RI with data information is described in 3GPP TS 36.212 V8.2.0.

16 illustrates a processing structure for a UL-SCH transport channel according to an embodiment of the present invention. Data arrives at the encoding unit in the form of at most one transport block for each transmission time interval (TTI). Referring to FIG. 16, a CRC is attached to a transport block, a CRC is attached to a divided code block, a channel coding is performed on data and control information, a rate matching is performed, , Multiplexing data and control information, and channel interleaving.

로 표시하고, 패리티 비트는

로 표시한다. A는 전송 블록의 크기이고, L은 패리티 비트의 개수이다. 패리티 비트들은, L을 24 비트로 설정하고 생성기 다항식 g_CRC24A(D)를 사용하여 3GPP TS 36.212 V8.2.0의 5.1.1절에 따라 계산되어 UL-SCH 전송 블록에 부착될 수 있다.Hereinafter, the step of attaching the CRC to the transport block will be described. By using the CRC, error detection can be performed on the UL-SCH transmission block. Calculate the CRC parity bits using the entire transport block. The bits in the transport block forwarded to layer 1 are

And the parity bit is represented by

. A is the size of the transport block, and L is the number of parity bits. The parity bits may be computed according to section 5.1.1 of 3GPP TS 36.212 V8.2.0 using the generator polynomial g _CRC24A ( D ) with L set to 24 bits and attached to the UL-SCH transport block.

로 표시한다. 여기서, B는 전송 블록 내의 비트의 개수이다(CRC 포함). 코드 블록 분할 및 코드 블록 CRC 부착은 3GPP TS 36.212 V8.2.0의 5.1.2절에 따라 수행된다. 코드 블록 분할 이후의 비트는

로 표시된다. 여기서, r은 코드 블록 넘버이고, K _r 은 코드 블록 넘버 r의 비트의 개수이다. Hereinafter, code block division and code block CRC attachment will be described. The bits input to the code block division

. Where B is the number of bits in the transport block (including CRC). Code block segmentation and code block CRC attachment are performed in accordance with Section 5.1.2 of 3GPP TS 36.212 V8.2.0. The bits after the code block division

. Where r is the code block number and K _r is the number of bits of the code block number r.

로 표시된다. 여기서, r은 코드 블록 넘버이고, K _r 은 코드 블록 넘버 r에 있는 비트의 개수이다. 코드 블록들의 총 개수는 C로 표시되며, 각 코드 블록은 각각 3GPP TS 36.212 V8.2.0의 5.1.3.2절에 따라 터보 부호화된다. 부호화된 이후의 비트들은

으로 표시된다. 여기서, i=0, 1, 2이고, D _r 은 코드 블록 넘버 r의 i번째 스트림의 비트의 개수이다. 즉, D _r = K _r +4이다. Hereinafter, channel coding of the UL-SCH will be described. The code blocks are passed to the channel coding block. The bits in one code block

. Where r is the code block number and K _r is the number of bits in the code block number r. The total number of code blocks is denoted by C, and each code block is turbo encoded according to Section 5.1.3.2 of 3GPP TS 36.212 V8.2.0. The bits after encoding are

. Here, i = 0, 1, 2, and D _r is the number of bits of the i-th stream of the code block number r. That is, D _r = K _r +4 .

으로 표시된다. 여기서, i=0, 1, 2이고, D _r 은 코드 블록 넘버 r의 i번째 스트림의 비트의 개수이다. 코드 블록의 총 개수는 C로 표시되고, 각 코드 블록은 각각 3GPP TS 36.212 V8.2.0의 5.1.4.1절에 따라 레이트 매칭된다. 레이트 매칭 이후의 비트들은

으로 표시된다. 여기서 r은 코드 블록 넘버이고, E _r 은 코드 블록 넘버 r에 대해 레이트 매칭된 비트들의 개수이다. Below. Rate matching will be described. Turbo encoded blocks are passed to the rate matching block. The bits after encoding are

. Here, i = 0, 1, 2, and D _r is the number of bits of the i-th stream of the code block number r. The total number of code blocks is denoted by C, and each code block is rate matched according to Section 5.1.4.1 of 3GPP TS 36.212 V8.2.0. The bits after rate matching are

. Where r is the code block number and E _r is the number of rate matched bits for code block number r.

으로 표시된다. 여기서 r=0, …, C-1이고, E _r 은 r번째 코드 블록에 대한 레이트 매칭된 비트들의 개수이다. 코드 블록 연접은 3GPP TS 36.212 V8.2.0의 5.1.5절에 의해 수행될 수 있다. 코드 블록 연접된 이후의 비트들은

으로 표시된다. 여기서 G는, 제어 정보가 UL-SCH 전송과 다중화될 때에, 제어 전송을 위해 사용되는 비트들을 제외한, 전송을 위한 코드 비트들의 총 개수이다. Hereinafter, code block concatenation will be described. The bits input to the code block concatenation block are

. Where r = 0, ... , C-1, and E _r is the number of rate matched bits for the rth code block. Code block concatenation can be performed according to section 5.1.5 of 3GPP TS 36.212 V8.2.0. The bits after the code block are concatenated

. Where G is the total number of code bits for transmission, excluding the bits used for control transmission, when the control information is multiplexed with the UL-SCH transmission.

에 대한 채널 코딩은 독립적으로 수행된다. Hereinafter, channel coding of control information will be described. The control data reaches the coding unit in the form of channel quality information (CQI and / or PMI), HARQ-ACK and rank indication. Different coding rates for control information can be obtained by assigning different numbers of coded symbols for transmission of control information. When control data is transmitted on the PUSCH, channel coding for the HARQ-ACK, rank indicator, and channel quality information

Is performed independently.

로 구성된다면, HARQ-ACK는 우선 표 13에 의해 부호화된다. 만일, HARQ-ACK가 2비트의 정보, 즉

로 구성된다면, HARQ-ACK는 우선 표 14에 의해 부호화된다.If the HARQ-ACK is 1-bit information, that is,

The HARQ-ACK is coded according to Table 13 first. If the HARQ-ACK is 2-bit information, that is,

The HARQ-ACK is first coded according to Table 14.

('X' in the above table is a placeholder for handling bits differently when scrambling coded bits with this value.) This is a constellation size used for ACK transmission on the PUSCH with QPSK .)

는 복수의 인코딩된 HARQ-ACK 블록들을 연접하여 얻게 된다. 여기서, Q _ACK 는 모든 인코딩된 HARQ-ACK 블록들에 대한 코딩된 비트의 총 개수이다. HARQ-ACK 정보에 대한 채널 코딩의 벡터 시퀀스 출력은

로 표시된다. 여기서,

이고, 다음의 절차에 의해 얻을 수 있다. Bit sequence

Is obtained by concatenating a plurality of encoded HARQ-ACK blocks. Here, Q _ACK is the total number of coded bits for all encoded HARQ-ACK blocks. The vector sequence output of the channel coding for the HARQ-ACK information is

. here,

And can be obtained by the following procedure.

=======================

=======================

For the rank indicator (RI), if RI

,로 구성된다면, RI는 우선 표 15에 의해 부호화된다. 만일, RI 가 2비트의 정보, 즉

,로 구성된다면, RI는 우선 표 16에 의해 부호화된다. 여기서,

이다. If RI has 1 bit of information,

, Then RI is first coded according to Table 15. &lt; tb &gt;&lt; TABLE &gt; If RI has 2 bits of information,

, Then RI is first coded according to Table 16. here,

to be.

'X' in Tables 15 and 16 is a location for 3GPP TS 36.211 for scrambling RI bits in a manner that maximizes the Euclidean distance of the modulation symbols carrying rank information.

는 복수의 인코딩되 RI 블록들의 연접에 의해 얻을 수 있다. 여기서, Q _RI 는 모든 인코딩된 RI 블록들이 코딩된 비트들의 총 개수이다. 인코딩된 RI 블록의 마지막 연접은, 총 비트 시퀀스 길이가 Q _RI 와 동일하게 되도록 부분적으로 수행될 수 있다. 랭크 정보에 대한 채널 코딩의 벡터 시퀀스 출력은

으로 표시된다. 여기서

이며, 아래의 절차에 의해 얻을 수 있다. Bit sequence

Can be obtained by concatenating a plurality of encoded RI blocks. Where Q _RI is the total number of bits for which all encoded RI blocks are coded. The last concatenation of the encoded RI block may be performed in part so that the total bit sequence length is equal to Q _RI . The vector sequence output of the channel coding for the rank information

. here

And can be obtained by the following procedure.

=========================

===========================

를 가지고 3GPP TS 36.212 V8.2.0의 5.2.3.3절에 따라 수행된다. 만일, 페이로드 크기가 11 비트보다 크다면, 채널 품질 정보의 레이트 매칭 및 채널 코딩은 입력 시퀀스

를 가지고 3GPP TS 36.212 V8.2.0의 5.1.3.1절 및 5.1.4.2절에 따라 수행된다. 채널 품질 정보의 채널 코딩에 대한 출력 시퀀스는

로 표시된다. For channel quality control information (CQI and / or RI), if the payload size is 11 bits or less, the channel coding of the channel quality information is performed using the input sequence

In accordance with Section 5.2.3.3 of 3GPP TS 36.212 V8.2.0. If the payload size is greater than 11 bits, then rate matching and channel coding of the channel quality information is performed on the input sequence

In accordance with 5.1.3.1 and 5.1.4.2 of 3GPP TS 36.212 V8.2.0. The output sequence for channel coding of channel quality information is

.

으로 표시되는 제어 정보의 코딩된 비트들 및

으로 표시되는 UL-SCH의 코딩된 비트들이다. 데이터/제어 다중화 처리의 출력은

으로 표시될 수 있다. 여기서,

이고

이고,

는 길이 Q _m 의 행 벡터들이다. H는 UL-SCH 데이터 및 CQI/PMI 데이터를 위해 할당된 코딩된 비트들이 총 개수이다. Data / control multiplexing will be described below. Control and data multiplexing is performed such that HARQ-ACK information exists in both slots and HARQ-ACK information is mapped to resources around the demodulation RS. Also, multiplexing should allow control and data information to map to different modulation symbols. The input to data / control multiplexing is

The coded bits of the control information indicated by &lt; RTI ID = 0.0 &gt;

Lt; RTI ID = 0.0 &gt; UL-SCH &lt; / RTI &gt; The output of the data / control multiplexing process is

. &Lt; / RTI &gt; here,

ego

ego,

Are row vectors of length Q _m . H is the total number of coded bits allocated for UL-SCH data and CQI / PMI data.

는 PUSCH 전송을 위한 서브프레임 당 심볼의 개수를 나타낸다. 제어 정보 및 데이터는 아래와 같은 처리를 통해 다중화된다.

Represents the number of symbols per subframe for PUSCH transmission. The control information and data are multiplexed through the following processing.

===============================

===================================

,

, 및

으로 표시된다. 서브프레임의 변조 심볼의 개수는

로 표시된다. 채널 인터리버의 출력 비트 시퀀스는 아래와 같이 유도된다.Hereinafter, the channel interleaver will be described. The channel interleaver is described in connection with the resource element mapped to the PUSCH of 3GPP TS 36.211. The channel interleaver is implemented by the time-domain mapping of modulation symbols on the transmit waveform. At this time, the HARQ-ACK information is present in all two slots of one subframe and is mapped to resources around the uplink demodulation RS. The input of the channel interleaver is

,

, And

. The number of modulation symbols in the subframe is

. The output bit sequence of the channel interleaver is derived as follows.

로 할당한다. 행렬의 행은 좌측에서 우측으로 0, 1, 2, …,

로 넘버링된다.(1) The number of rows of the matrix is

. The rows of the matrix are 0, 1, 2, ... ,

&Lt; / RTI &gt;

로 할당한다. 그리고

으로 정의한다. 지각 행렬(rectangular matrix)의 열은 위에서 아래로 0, 1, 2, …,

로 넘버링된다.(2) the number of columns of the matrix

. And

. The columns of the rectangular matrix are 0, 1, 2, ... ,

&Lt; / RTI &gt;

가 표 17에 표시된 행에 기록된다. 단, 마지막 열부터 시작하여 Q _m 개의 열을 한세트로 기록되며, 아래의 의사코드에 따라 위쪽으로 이동하면서 기록된다. (3) If rank information is transmitted in this subframe, the vector sequence

Lt; / RTI &gt; are recorded in the rows shown in Table 17. However, starting from the last column, Q _m columns are recorded as a set, and are moved upward according to the following pseudocode.

===================================

===================================

,을

행렬 내에 기록한다. 단, 행 0 내의 벡터

부터 시작하여 Q _m 개의 열을 한 세트로 기록하고, 열 0부터 열

까지 기록하되, 이미 기록된 행렬 요소는 건너뛰면서 기록한다 (4) input vector sequence, i. E.

,of

Record in the matrix. However, the vector in row 0

Record Start to Q _m of heat from the one set, and the heat from the heat 0

, But the previously recorded matrix elements are skipped and recorded

는 표 18에 표시된 행들에 기록된다. 단, 마지막 열에서부터 시작하여 위로 이동하면서 Q _m 개의 열을 하나의 세트로 하여 기록한다. 이 동작은 (4)에서 기록된 채널 인터리버의 일부 요소들을 덮어쓸 수 있다. (5) If HARQ-ACK information is transmitted in this subframe, the vector sequence

Are recorded in the rows shown in Table 18. However, starting from the last column and moving upward, Q _m columns are recorded as one set. This operation can overwrite some elements of the channel interleaver recorded in (4).

행렬로부터 행마다(column by column) 읽어낸 비트 시퀀스이다. 채널 인터리버 이후의 비트는

로 표시된다. (6) The output of the block interleaver is

A bit sequence read from a matrix by column. The bits after the channel interleaver are

.

It should be understood that the embodiments of the present invention described above can be used in the UL-SCH of the 3GPP, but are not limited thereto.

The embodiments described above are those in which the elements and features of the present invention are combined in a predetermined form. Each component or feature shall be considered optional unless otherwise expressly stated. Each component or feature may be implemented in a form that is not combined with other components or features. It is also possible to construct embodiments of the present invention by combining some of the elements and / or features. The order of the operations described in the embodiments of the present invention may be changed. Some configurations or features of certain embodiments may be included in other embodiments, or may be replaced with corresponding configurations or features of other embodiments. It is clear that the claims that are not expressly cited in the claims may be combined to form an embodiment or be included in a new claim by an amendment after the application.

Embodiments in accordance with the present invention may be implemented by various means, for example, hardware, firmware, software, or a combination thereof. In the case of hardware implementation, an embodiment of the present invention may include one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs) field programmable gate arrays, processors, controllers, microcontrollers, microprocessors, and the like.

In the case of an implementation by firmware or software, an embodiment of the present invention may be implemented in the form of a module, a procedure, a function, or the like which performs the functions or operations described above. The software code can be stored in a memory unit and driven by the processor. The above memory unit is located inside or outside the above processor, and can exchange data with the above processor by various known means.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the above description should not be construed in a limiting sense in all respects and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

The present invention can be used in a terminal, a base station, or other equipment of a wireless mobile communication system.

1 shows a processing procedure for a transmission channel and / or control information.

2 shows an embodiment of a transmission channel processing procedure for the UL-SCH of 3GPP.

FIGS. 3 to 6 are diagrams for defining terms commonly used for explaining the embodiments of FIGS. 7 to 13 of the present invention.

7 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to an embodiment of the present invention.

8 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

FIG. 9 shows a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

10 and 11 illustrate a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

12 and 13 illustrate a method of multiplexing and mapping data information and control information on a set of resource elements according to another embodiment of the present invention.

Figs. 14A and 14B show an embodiment in which a standard CP is used and a configuration according to an embodiment in which an extended CP is used.

Figures 15 (a) and 15 (b) are exemplary structures at the extended CP.

16 illustrates a processing structure for a UL-SCH transport channel according to an embodiment of the present invention.

Claims (50)

A method for transmitting an uplink signal, Mapping an information symbol to a reference element on a subframe, the subframe including two slots, each slot including a plurality of SC-FDMA symbols; Mapping a reference signal symbol to the resource element on a subframe, wherein the SC-FDMA symbol to which the reference signal symbol is mapped is present in each slot; And And transmitting the information symbol and the reference signal symbol through a plurality of SC-FDMA symbol sets on the subframe, The RI (Rank Information) information symbol is mapped to a first SC-FDMA symbol set including four SC-FDMA symbols, and the first SC-FDMA symbol set is mapped to an SC-FDMA Symbols are spaced apart by one SC-FDMA symbol, The Hybrid Automatic Repeat Request Acknowledgment (HARQ) ACK information symbol is mapped to a second SC-FDMA symbol set including four SC-FDMA symbols, and the second SC- &Lt; / RTI &gt; is mapped continuously with the mapped SC-FDMA symbols. The method according to claim 1, Wherein when a standard CP (normal-cyclic prefix) is applied, the SC-FDMA symbol to which the reference signal symbol is mapped is located in a fourth SC-FDMA symbol on each slot.  3. The method of claim 2, Wherein the R-I symbol mapped SC-FDMA symbols are located in the second and sixth SC-FDMA symbols on each slot. The method according to claim 2, wherein Wherein the SC-FDMA symbol to which the HARQ-ACK information symbol is mapped is located in the third and fifth SC-FDMA symbols on each slot. The method according to claim 1, Wherein when an extended CP is applied, the SC-FDMA symbol to which the reference signal symbol is mapped is located in a third SC-FDMA symbol on each slot. 6. The method of claim 5, Wherein the SC-FDMA symbol to which the RI symbol is mapped is located in the first and fifth SC-FDMA symbols on each slot. 6. The method of claim 5, Wherein the SC-FDMA symbol to which the HARQ-ACK information symbol is mapped is located in the second and fourth SC-FDMA symbols on each slot. A mobile communication apparatus for transmitting an uplink signal, And mapping the information symbol to a reference element on a subframe, the subframe including two slots, each slot including a plurality of SC-FDMA symbols, A first module for mapping a signal symbol to the resource element on a subframe, wherein the SC-FDMA symbol to which the reference signal symbol is mapped exists in each slot; And And a second module for transmitting the information symbol and the reference signal symbol through a plurality of SC-FDMA symbol sets on the subframe, The RI (Rank Information) information symbol is mapped to a first SC-FDMA symbol set including four SC-FDMA symbols, and the first SC-FDMA symbol set is mapped to an SC-FDMA Symbols are spaced apart by one SC-FDMA symbol, The Hybrid Automatic Repeat Request Acknowledgment (HARQ) ACK information symbol is mapped to a second SC-FDMA symbol set including four SC-FDMA symbols, and the second SC- And is arranged contiguously with the mapped SC-FDMA symbol. 9. The method of claim 8, Wherein when a normal CP is applied, the SC-FDMA symbol to which the reference signal symbol is mapped is located in a fourth SC-FDMA symbol on each slot. 10. The method of claim 9, And wherein the SC-FDMA symbol to which the RI symbol is mapped is located in the second and sixth SC-FDMA symbols on each slot. 10. The method of claim 9, Wherein the SC-FDMA symbol to which the HARQ-ACK information symbol is mapped is located in the third and fifth SC-FDMA symbols on each slot. 9. The method of claim 8, When an extended CP (Extended-Cyclic Prefix) is applied, the SC-FDMA symbol to which the reference signal symbol is mapped is located in the third SC-FDMA symbol on each slot. 13. The method of claim 12, Wherein the SC-FDMA symbol to which the RI symbol is mapped is located in the first and fifth SC-FDMA symbols on each slot. 14. The method of claim 13, Wherein the SC-FDMA symbol to which the HARQ-ACK information symbol is mapped is located in the second and fourth SC-FDMA symbols on each slot. delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

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