WO2015064081A1 - 送信方法 - Google Patents
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- WO2015064081A1 WO2015064081A1 PCT/JP2014/005436 JP2014005436W WO2015064081A1 WO 2015064081 A1 WO2015064081 A1 WO 2015064081A1 JP 2014005436 W JP2014005436 W JP 2014005436W WO 2015064081 A1 WO2015064081 A1 WO 2015064081A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2604—Multiresolution systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0682—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using phase diversity (e.g. phase sweeping)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
Definitions
- the present disclosure relates to a data transmission method, a reception method, a transmission device, and a reception device.
- the present invention relates to the realization of both improvement in data transmission speed and data transmission with good reception quality.
- MIMO Multiple-Input Multiple-Output
- data transmission speed is increased by modulating transmission data of a plurality of sequences and transmitting each modulated signal simultaneously from different antennas.
- Nishimura, and Y. Ogawa “Application of space division, multiplexing and this performance in a MIMO channel,” IEICE Trans. Commun. , Vo. 88-B, no. 5, pp. 1843-1851, May 2005.
- R. G. Gallager “Low-density parity-check codes,” IRE Trans. Inform. Theory, IT-8, pp-21-28, 1962.
- D. J. C. Mackay “Good error-correcting codes based on very sparse metrics,” IEEE Trans. Inform. Theory, vol. 45, no. 2, pp 399-431, March 1999.
- ETSI EN 302 307 “Second generation framing structure, channel coding and modulation systems for broadcasting services, new berthetics, and other severating lithivalents. 1.1.2, June 2006. Y. -L. Ueng, and C.I. -C. Cheng, “a fast-convergence decoding method and memory-efficient VLSI decoder architecture for irregular LDPC codes in the IEEE 802.16E standard E. 1255-1259.
- S. M.M. Alamouti “A simple transmission diversity technology for wireless communications,” IEEE J. Select. Areas Commun. , Vol. 16, no. 8, pp. 1451-1458, Oct 1998.
- the transmission method selects any one of 16 signal points on the in-phase I-orthogonal Q plane according to a value of a 4-bit transmission data sequence, and generates a transmission generated according to the selected signal point
- the in-phase component is I
- the quadrature component is Q
- (I, Q) of each of the 16 signal points is (3 ⁇ w 16b , 3 ⁇ w 16b ), (3 ⁇ w 16b ).
- FIG. 1 is a diagram illustrating an example of a configuration of a transmission / reception device.
- An example of simulation results of BER (Bit Error Rate) characteristics vertical axis: BER, horizontal axis: SNR (signal-to-noise power ratio)
- FIG. 3 is a diagram illustrating an example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 3 is a diagram illustrating an example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 4 is a diagram showing a further example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 5 is a diagram illustrating a further example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 6 is a diagram illustrating an example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 7 is a diagram showing a further example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 8 is a diagram illustrating a further example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 9 is a diagram illustrating an example of 256QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 10 is a diagram illustrating a further example of 256QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 11 is a diagram illustrating a further example of 256QAM signal point arrangement in the in-phase I-quadrature Q plane.
- FIG. 12 is a diagram illustrating an example of a configuration related to signal processing of the transmission apparatus.
- FIG. 13 is a diagram illustrating a further example of a configuration related to signal processing of the transmission apparatus.
- FIG. 14 is a diagram illustrating an example of a configuration related to signal processing after the signal processing of FIG. 12 or FIG. 13.
- FIG. 15 is a diagram illustrating an example of a frame configuration using MIMO.
- FIG. 16 is a diagram for explaining the relationship between the transmission device and the reception device.
- FIG. 16 is a diagram for explaining the relationship between the transmission device and the reception device.
- FIG. 17 is a diagram illustrating an example of phase change.
- FIG. 18 is a diagram illustrating a further example of a configuration related to signal processing after the signal processing of FIG. 12 or FIG. 13.
- FIG. 19 is a diagram illustrating a further example of a configuration related to signal processing after the signal processing of FIG. 12 or FIG. 13.
- FIG. 20 is a diagram illustrating a further example of a configuration related to signal processing after the signal processing of FIG. 12 or FIG. 13.
- FIG. 21 is a diagram illustrating a further example of a configuration related to signal processing after the signal processing of FIG. 12 or FIG. 13.
- FIG. 1 shows an example of a configuration of a transmission / reception apparatus when the number of transmission antennas is 2, the number of reception antennas is 2, and the number of transmission modulation signals (transmission streams) is 2.
- the encoded data is interleaved, the interleaved data is modulated, frequency conversion or the like is performed to generate a transmission signal, and the transmission signal is transmitted from the antenna.
- a scheme in which different modulation signals are transmitted from the transmission antenna to the same frequency at the same time is the spatial multiplexing MIMO scheme.
- Patent Document 1 proposes a transmission apparatus having a different interleave pattern for each transmission antenna. That is, in the transmission apparatus of FIG. 1, two interleaves ( ⁇ a, ⁇ b) have different interleave patterns.
- reception quality is improved by repeatedly performing a detection method using a soft value (MIMO detector in FIG. 1). Will do.
- NLOS non-line of light
- LOS line of light
- An example of simulation results of BER (Bit Error Rate) characteristics vertical axis: BER, horizontal axis: SNR (signal-to-noise power ratio)) when spatial multiplexing MIMO transmission is performed ing.
- 2A shows a BER characteristic of Max-log-APP (Non-Patent Document 1 and Non-Patent Document 2) (APP: a posteriprobability) in which iterative detection is not performed
- Broadcasting and multicast communication are services that have to deal with various propagation environments, and it is natural that the radio wave propagation environment between the receiver and broadcast station owned by the user is a LOS environment.
- a spatial multiplexing MIMO system with the above-mentioned problems is used for broadcasting or multicast communication, a phenomenon occurs in which the receiver receives a service due to a deterioration in reception quality although the received electric field strength of radio waves is high. there is a possibility.
- Non-Patent Document 8 describes a method of selecting a codebook (precoding matrix (also referred to as precoding weight matrix)) used for precoding from feedback information from a communication partner. In a situation where feedback information from a communication partner cannot be obtained as in multicast communication, there is no description of a method for performing precoding.
- precoding matrix also referred to as precoding weight matrix
- Non-Patent Document 4 describes a method of switching a precoding matrix with time, which can be applied even when there is no feedback information.
- a unitary matrix is used as a matrix used for precoding and that the unitary matrix is randomly switched.
- the application method for the degradation of reception quality in the LOS environment described above It is not described at all, and only switching at random is described.
- signal point arrangement (mapping) in the in-phase I-orthogonal Q plane of the modulation scheme particularly a mapping method for improving data reception quality in the LOS environment. Absent.
- This disclosure relates to a transmission method for improving the quality of received data in a receiving apparatus when a MIMO (Multiple-Input Multiple-Output) method using a plurality of transmission antennas and reception antennas is used for multicast transmission and broadcasting.
- MIMO Multiple-Input Multiple-Output
- mapping method 16QAM, 64QAM, and 256QAM will be described as an example of the mapping method (signal point arrangement in in-phase I-quadrature Q in the modulation scheme) related to the present embodiment.
- FIG. 3 shows an example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 16 ⁇ are 16QAM signal points, which are the horizontal axis I and the vertical axis Q.
- the coordinates of 16 signal points of 16QAM (“ ⁇ ” in FIG. H1 are signal points) on the in-phase I-quadrature Q plane are as follows: (3 ⁇ w 16a , 3 ⁇ w 16a ), (3 ⁇ w 16a , f ⁇ w 16a ), (3 ⁇ w 16a , ⁇ f ⁇ w 16a ), (3 ⁇ w 16a , ⁇ 3 ⁇ w 16a ), (F ⁇ w 16a , 3 ⁇ w 16a ), (f ⁇ w 16a , f ⁇ w 16a ), (f ⁇ w 16a , ⁇ f ⁇ w 16a ), (f ⁇ w 16a , ⁇ 3 ⁇ w 16a ), (-f ⁇ w 16a, 3 ⁇ w 16a), (- f ⁇ w 16a, 3 ⁇ w 16a), (- f ⁇ w 16a, 3 ⁇ w 16a), (
- bits (input bits) to be transmitted are b0, b1, b2, and b3.
- they are mapped to the signal point H101 in FIG.
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined.
- An example of the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) and the coordinates of the signal point is as shown in FIG. 16 signal points of 16QAM (“H” in FIG.
- the coordinates on the in-phase I-quadrature Q plane of the signal points (“ ⁇ ”) immediately above the set 0000 to 1111 of b0, b1, b2, b3 are the in-phase component I and quadrature component Q of the baseband signal after mapping. Become. Note that the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) in 16QAM and the coordinates of the signal point is not limited to FIG.
- the 16 signal points in FIG. 3 are named “signal point 1”, “signal point 2”... “Signal point 15” “signal point 16”. (Since there are 16 signal points, “signal point 1” to “signal point 16” exist.) In the in-phase I-orthogonal Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 16a is given as follows.
- 16QAM mapping method # 1 This mapping method is referred to herein as “16QAM mapping method # 1”.
- mapping method # 0 16QAM mapping method
- FIG. 4 shows an example of 16QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 16 ⁇ are 16QAM signal points, which are the horizontal axis I and the vertical axis Q.
- f 1 > 0 (f 1 is a real number greater than 0)
- f 2 > 0 (f 2 is a real number greater than 0)
- f 1 ⁇ 3, and f 2 ⁇ 3 and , F 1 ⁇ f 2 .
- the coordinates of 16 signal points of 16QAM (“ ⁇ ” in FIG. H2 are signal points) in the in-phase I-quadrature Q plane are as follows: (3 ⁇ w 16b , 3 ⁇ w 16b ), (3 ⁇ w 16b , f 2 ⁇ w 16b ), (3 ⁇ w 16b , ⁇ f 2 ⁇ w 16b ), (3 ⁇ w 16b , ⁇ 3 ⁇ w 16b ), (F 1 ⁇ w 16b , 3 ⁇ w 16b ), (f 1 ⁇ w 16b , f 2 ⁇ w 16b ), (f 1 ⁇ w 16b , ⁇ f 2 ⁇ w 16b ), (f 1 ⁇ w 16b) , ⁇ 3 ⁇ w 16b ), ( ⁇ f 1 ⁇ w 16b , 3 ⁇ w 16b ), ( ⁇ f 1 ⁇ w 16b , f 2 ⁇ w 16b ), ( ⁇ f 1
- bits (input bits) to be transmitted are b0, b1, b2, and b3.
- they are mapped to the signal point H201 in FIG. 4, and the in-phase component of the mapped baseband signal is I
- the orthogonal component is Q
- (I, Q) (3 ⁇ w 16b , 3 ⁇ w 16b ).
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined.
- An example of the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) and the coordinates of the signal point is as shown in FIG. 16 signal points of 16QAM (“H” in FIG.
- the coordinates on the in-phase I-quadrature Q plane of the signal points (“ ⁇ ”) immediately above the set 0000 to 1111 of b0, b1, b2, b3 are the in-phase component I and quadrature component Q of the baseband signal after mapping. Become. Note that the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) in 16QAM and the coordinates of the signal point is not limited to FIG.
- the 16 signal points in FIG. 4 are named “signal point 1”, “signal point 2”... “Signal point 15” “signal point 16”. (Since there are 16 signal points, “signal point 1” to “signal point 16” exist.) In the in-phase I-orthogonal Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 16b is given as follows.
- 16QAM mapping method # 2. The 16QAM mapping method described above is referred to herein as “16QAM mapping method # 2.”
- FIG. 5 shows an example of 16QAM signal point arrangement in the in-phase I-orthogonal Q plane.
- 16 ⁇ are 16QAM signal points, which are the horizontal axis I and the vertical axis Q.
- k 1 > 0 (k 1 is a real number greater than 0)
- k 2 > 0 (k 2 is a real number greater than 0)
- k 1 ⁇ 1, and k 2 ⁇ 1 and , K 1 ⁇ k 2 .
- the coordinates of 16 signal points of 16QAM (“ ⁇ ” in FIG. 5 are signal points) on the in-phase I-quadrature Q plane are as follows: (K 1 ⁇ w 16c , k 2 ⁇ w 16c ), (k 1 ⁇ w 16c , 1 ⁇ w 16c ), (k 1 ⁇ w 16c , ⁇ 1 ⁇ w 16c ), (k 1 ⁇ w 16c , ⁇ k 2 ⁇ w 16c ), (1 ⁇ w 16c , k 2 ⁇ w 16c ), (1 ⁇ w 16c , 1 ⁇ w 16c ), (1 ⁇ w 16c , ⁇ 1 ⁇ w 16c ), (1 ⁇ w 16c , -k 2 ⁇ w 16c), ( - 1 ⁇ w 16c, k 2 ⁇ w 16c), (- 1 ⁇ w 16c, 1 ⁇ w 16c, -1 ⁇ w 16c, -1
- bits (input bits) to be transmitted are b0, b1, b2, and b3.
- they are mapped to the signal point H301 in FIG. 5, and the in-phase component of the mapped baseband signal is I
- the orthogonal component is Q
- (I, Q) (k 1 ⁇ w 16c , k 2 ⁇ w 16c ).
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined.
- An example of the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) and the coordinates of the signal point is as shown in FIG. 16 signal points of 16QAM (“ ⁇ ” in FIG.
- the coordinates on the in-phase I-quadrature Q plane of the signal points (“ ⁇ ”) immediately above the set 0000 to 1111 of b0, b1, b2, b3 are the in-phase component I and quadrature component Q of the baseband signal after mapping. Become. Note that the relationship between the set of b0, b1, b2, and b3 (0000 to 1111) in 16QAM and the coordinates of the signal point is not limited to FIG.
- the 16 signal points in FIG. 5 are named “signal point 1”, “signal point 2”... “Signal point 15” “signal point 16”. (Since there are 16 signal points, “signal point 1” to “signal point 16” exist.) In the in-phase I-orthogonal Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 16c is given as follows.
- 16QAM mapping method # 3 The 16QAM mapping method described above is referred to herein as “16QAM mapping method # 3”.
- FIG. 6 shows an example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 64 ⁇ are 64QAM signal points, which are the horizontal axis I and the vertical axis Q.
- g 1 > 0 (g 1 is a real number greater than 0)
- g 2 > 0 (g 2 is a real number greater than 0)
- g 3 > 0 (g 3 is a real number greater than 0).
- ⁇ G 1 ⁇ 7 and g 2 ⁇ 7 and g 3 ⁇ 7 ⁇ are satisfied ⁇
- (g 1, g 2, g 3) ⁇ ( 5, 1, 3 ) and (g 1, g 2 , g 3 ) ⁇ (5, 3 , 1 ) ⁇ holds ⁇
- the respective coordinates in the in-phase I-orthogonal Q plane of 64 signal points of 64QAM (“ ⁇ ” in FIG. H4 is a signal point) are: (7 ⁇ w 64a , 7 ⁇ w 64a ), (7 ⁇ w 64a , g 3 ⁇ w 64a ), (7 ⁇ w 64a , g 2 ⁇ w 64a ), (7 ⁇ w 64a , g 1 ⁇ w 64a ) , (7 ⁇ w 64a , ⁇ g 1 ⁇ w 64a ), (7 ⁇ w 64a , ⁇ g 2 ⁇ w 64a ), (7 ⁇ w 64a , ⁇ g 3 ⁇ w 64a ), (7 ⁇ w 64a , ⁇ 7 x w 64a ) (G 3 ⁇ w 64a , 7 ⁇ w 64a ), (g 3 ⁇ w 64a , g 3 ⁇ w 64a ), (g 3 ⁇ w 64
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, and b5.
- the bit is mapped to the signal point H401 in FIG.
- I in-phase component of the band signal
- Q quadrature component
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits (b0, b1, b2, b3, b4, b5) to be transmitted.
- An example of the relationship between the set of b0, b1, b2, b3, b4, and b5 (000000 to 111111) and the coordinates of the signal point is as shown in FIG. 64 signal points of 64QAM (“ ⁇ ” in FIG.
- the coordinates in the in-phase I-quadrature Q plane of the signal point (“ ⁇ ”) immediately above the set 000000 to 111111 of b0, b1, b2, b3, b4, b5 are the in-phase component I and the mapped baseband signal I and An orthogonal component Q is obtained. Note that the relationship between the set of b0, b1, b2, b3, b4, and b5 (000000 to 111111) and the coordinates of the signal points in 64QAM is not limited to FIG.
- the 64 signal points in FIG. 6 are named “signal point 1”, “signal point 2”... “Signal point 63” “signal point 64”. (Since there are 64 signal points, “signal point 1” to “signal point 64” exist.) On the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 64a is given as follows.
- 64QAM mapping method # 1 This mapping method is herein referred to as “64QAM mapping method # 1”.
- mapping method # 0 when “(g 1, g 2 , g 3 ) ⁇ (1, 3, 5)”, it is called uniform 64QAM, and this mapping method is called “64QAM mapping method # 0”.
- FIG. 7 shows an example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 64 o are 64QAM signal points, which are the horizontal axis I and the vertical axis Q.
- g 1 > 0 (g 1 is a real number greater than 0)
- g 2 > 0 (g 2 is a real number greater than 0)
- g 3 > 0 (g 3 is a real number greater than 0)
- G 4 > 0 (g 4 is a real number greater than 0)
- g 5 > 0 (g 5 is a real number greater than 0)
- g 6 > 0 (g 6 is a real number greater than 0)
- the respective coordinates in the in-phase I-orthogonal Q plane of 64 signal points of 64QAM (“ ⁇ ” in FIG. H5 is a signal point) are: (7 ⁇ w 64b , 7 ⁇ w 64b ), (7 ⁇ w 64b , g 6 ⁇ w 64b ), (7 ⁇ w 64b , g 5 ⁇ w 64b ), (7 ⁇ w 64b , g 4 ⁇ w 64b ) , (7 ⁇ w 64b , ⁇ g 4 ⁇ w 64b ), (7 ⁇ w 64b , ⁇ g 5 ⁇ w 64b ), (7 ⁇ w 64b , ⁇ g 6 ⁇ w 64b ), (7 ⁇ w 64b , ⁇ 7 x w 64b ) (G 3 ⁇ w 64b , 7 ⁇ w 64b ), (g 3 ⁇ w 64b , g 6 ⁇ w 64b ), (g 3 ⁇ w 64
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, and b5.
- the bit is mapped to the signal point H501 in FIG.
- I in-phase component of the band signal
- Q quadrature component
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits (b0, b1, b2, b3, b4, b5) to be transmitted.
- An example of the relationship between the set of b0, b1, b2, b3, b4, and b5 (000000 to 111111) and the coordinates of the signal points is as shown in FIG. 64 signal points of 64QAM (“ ⁇ ” in FIG.
- the coordinates in the in-phase I-quadrature Q plane of the signal point (“ ⁇ ”) immediately above the set 000000 to 111111 of b0, b1, b2, b3, b4, b5 are the in-phase component I and the mapped baseband signal I and An orthogonal component Q is obtained. Note that the relationship between the set of b0, b1, b2, b3, b4, and b5 (000000 to 111111) and the coordinates of the signal points in 64QAM is not limited to FIG.
- the 64 signal points in FIG. 7 are named “signal point 1”, “signal point 2”... “Signal point 63” “signal point 64”. (Since there are 64 signal points, “signal point 1” to “signal point 64” exist.) On the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 64b is given as follows.
- 64QAM mapping method # 2 The 64QAM mapping method described above is referred to as “64QAM mapping method # 2” here.
- FIG. 8 shows an example of 64QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 64 o are 64QAM signal points, which are the horizontal axis I and the vertical axis Q.
- M 1 > 0 (m 1 is a real number greater than 0)
- m 2 > 0 (m 2 is a real number greater than 0)
- m 3 > 0 (m 3 is a real number greater than 0)
- m 4 > 0 (m 4 is a real number greater than 0)
- m 5 > 0 (m 5 is a real number greater than 0)
- m 6 > 0 (m 6 is a real number greater than 0)
- m 7 > 0 (m 7 is a real number greater than 0)
- m 8 > 0 (m 8 is a real number greater than 0)
- M 1 > 0 (m 1 is a real number greater than 0)
- m 2 > 0 (m 2 is a real number greater than 0)
- m 3 > 0 (m 3 is a real number greater than 0)
- m 4 > 0 (m 4 is a real number greater than 0)
- m 5 > 0 (m 5 is a real number greater than 0)
- m 6 > 0 (m 6 is a real number greater than 0)
- m 7 > 0 (m 7 is a real number greater than 0)
- m 8 > 0 (m 8 is a real number greater than 0)
- the respective coordinates in the in-phase I-orthogonal Q plane of 64 signal points of 64QAM (“ ⁇ ” in FIG. H6 are signal points) are as follows: ( M 4 ⁇ w 64c , m 8 ⁇ w 64c ), (m 4 ⁇ w 64c , m 7 ⁇ w 64c ), (m 4 ⁇ w 64c , m 6 ⁇ w 64c ), (m 4 ⁇ w 64c , m 5 ⁇ w 64c ), (m 4 ⁇ w 64c , ⁇ m 5 ⁇ w 64c ), (m 4 ⁇ w 64c , ⁇ m 6 ⁇ w 64c ), (m 4 ⁇ w 64c , ⁇ m 7 ⁇ w 64c ) , ( M 4 ⁇ w 64c , ⁇ m 8 ⁇ w 64c ) ( M 3 ⁇ w 64c , m 8 ⁇ w 64c ), (m 3 ⁇ w 64c
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, and b5.
- the bit is mapped to the signal point H601 in FIG.
- I, Q (m 4 ⁇ w 64c , m 8 ⁇ w 64c ).
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits (b0, b1, b2, b3, b4, b5) to be transmitted.
- An example of the relationship between the set of b0, b1, b2, b3, b4, b5 (000000 to 111111) and the coordinates of the signal point is as shown in FIG. 64 signal points of 64QAM (“ ⁇ ” in FIG.
- the coordinates in the in-phase I-quadrature Q plane of the signal point (“ ⁇ ”) immediately above the set 000000 to 111111 of b0, b1, b2, b3, b4, b5 are the in-phase component I and the mapped baseband signal I and An orthogonal component Q is obtained. Note that the relationship between the set of b0, b1, b2, b3, b4, and b5 (000000 to 111111) and the coordinates of signal points in 64QAM is not limited to that in FIG.
- the 64 signal points in FIG. 8 are named “signal point 1”, “signal point 2”... “Signal point 63” “signal point 64”. (Since there are 64 signal points, “signal point 1” to “signal point 64” exist.) On the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 64c is given as follows.
- 64QAM mapping method # 3 The 64QAM mapping method described above is referred to herein as “64QAM mapping method # 3”.
- FIG. 9 shows an example of 256QAM signal point arrangement in the in-phase I-orthogonal Q plane.
- 256 circles are 256QAM signal points, which are the horizontal axis I and the vertical axis Q.
- h 1 > 0 (h 1 is a real number greater than 0)
- h 2 > 0 (h 2 is a real number greater than 0)
- h 3 > 0 (h 3 is a real number greater than 0)
- H 4 > 0 (h 4 is a real number greater than 0)
- h 5 > 0 (h 5 is a real number greater than 0)
- h 6 > 0 (h 6 is a real number greater than 0)
- h 7 > 0 (h 7 is a real number greater than 0)
- ⁇ A1 is an integer from 1 to 7
- a2 is an integer from 1 to 7
- a3 is an integer from 1 to 7
- a4 is an integer from 1 to 7
- a5 is 1 or more
- a6 is an integer of
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, b5, b6, and b7.
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits to be transmitted (b0, b1, b2, b3, b4, b5, b6, b7).
- An example of the relationship between the set of b0, b1, b2, b3, b4, b5, b6, b7 (00000000 to 11111111) and the coordinates of the signal point is as shown in FIG. 256 signal points of 256QAM (“ ⁇ ” in FIG.
- Each coordinate in the in-phase I-orthogonal Q plane of the signal point (“ ⁇ ”) immediately above the set 00000000 to 11111111 of b0, b1, b2, b3, b4, b5, b6, b7 is the baseband signal after mapping.
- In-phase component I and quadrature component Q Note that the relationship between the set of b0, b1, b2, b3, b4, b5, b6, and b7 (00000000 to 11111111) and the signal point coordinates in 256QAM is not limited to FIG.
- the signal points “signal point 1”, “signal point 2”... “Signal point 255” and “signal point 256” are named for the 256 signal points in FIG. (Since there are 256 signal points, “signal point 1” to “signal point 256” exist.) In the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w256a is given as follows.
- mapping method # 1 the mapping method described above is generally referred to as non-uniform 256QAM. This mapping method is referred to herein as “256QAM mapping method # 1”.
- This mapping method is called 256QAM and is referred to herein as “256QAM mapping method # 0”.
- FIG. 10 shows an example of 256QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 256 circles are 256QAM signal points, which are the horizontal axis I and the vertical axis Q.
- the coordinates of 256 signal points of 256QAM (“ ⁇ ” in FIG. 10 are signal points) in the in-phase I-quadrature Q plane are (15 ⁇ w 256b , 15 ⁇ w 256b ), (15 ⁇ w 256b , h 14 ⁇ w 256b ), (15 ⁇ w 256b , h 13 ⁇ w 256b ), (15 ⁇ w 256b , h 12 ⁇ w 256b ) , (15 ⁇ w 256b , h 11 ⁇ w 256b ), (15 ⁇ w 256b , h 10 ⁇ w 256b ), (15 ⁇ w 256b , h 9 ⁇ w 256b ), (15 ⁇ w 256b , h 8 ⁇ w 256b ), (15 ⁇ w 256b , ⁇ 15 ⁇ w 256b ), (15 ⁇ w 256b , ⁇ h 14 ⁇ w
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, b5, b6, and b7.
- the signal point H801 in FIG. (I, Q) (15 ⁇ w 256b , 15 ⁇ w 256b ) where I is the in-phase component of the baseband signal after mapping and Q is the quadrature component.
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits to be transmitted (b0, b1, b2, b3, b4, b5, b6, b7).
- An example of the relationship between the set of b0, b1, b2, b3, b4, b5, b6, b7 (00000000 to 11111111) and the coordinates of the signal point is as shown in FIG. 256 signal points of 256QAM (“ ⁇ ” in FIG.
- Each coordinate in the in-phase I-orthogonal Q plane of the signal point (“ ⁇ ”) immediately above the set 00000000 to 11111111 of b0, b1, b2, b3, b4, b5, b6, b7 is the baseband signal after mapping.
- In-phase component I and quadrature component Q Note that the relationship between the set of b0, b1, b2, b3, b4, b5, b6, and b7 (00000000 to 11111111) and the coordinates of signal points in 256QAM is not limited to FIG.
- the 256 signal points in FIG. 10 are named “signal point 1”, “signal point 2”... “Signal point 255” “signal point 256”. (Since there are 256 signal points, “signal point 1” to “signal point 256” exist.) In the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 256b is given as follows.
- FIG. 11 shows an example of 256QAM signal point arrangement in the in-phase I-quadrature Q plane.
- 256 circles are 256QAM signal points, which are the horizontal axis I and the vertical axis Q.
- the coordinates of 256 signal points of 256QAM (“ ⁇ ” in FIG. 11 is a signal point) in the in-phase I-orthogonal Q plane are as follows: (N 8 ⁇ w 256c , n 16 ⁇ w 256c ), (n 8 ⁇ w 256 c , n 15 ⁇ w 256 c ), (n 8 ⁇ w 256 c , n 14 ⁇ w 256 c ), (n 8 ⁇ w 256 c , n 13 ⁇ w 256c ), (n 8 ⁇ w 256c , n 12 ⁇ w 256c ), (n 8 ⁇ w 256c , n 11 ⁇ w 256c ), (n 8 ⁇ w 256c , n 10 ⁇ w 256c ), (n 8 ⁇ w 256c , n 9 ⁇ w 256c ), (N 8 ⁇ w 256c , -
- bits (input bits) to be transmitted are b0, b1, b2, b3, b4, b5, b6, and b7.
- the in-phase component I and quadrature component Q of the baseband signal after mapping are determined based on the bits to be transmitted (b0, b1, b2, b3, b4, b5, b6, b7).
- An example of the relationship between the set of b0, b1, b2, b3, b4, b5, b6, and b7 (00000000 to 11111111) and the coordinates of the signal point is as shown in FIG. H9.
- 256 signal points of 256QAM (“ ⁇ ” in FIG.
- Each coordinate in the in-phase I-orthogonal Q plane of the signal point (“ ⁇ ”) immediately above the set 00000000 to 11111111 of b0, b1, b2, b3, b4, b5, b6, b7 is the baseband signal after mapping.
- In-phase component I and quadrature component Q Note that the relationship between the set of b0, b1, b2, b3, b4, b5, b6, and b7 (00000000 to 11111111) and the coordinates of the signal points in 256QAM is not limited to FIG.
- the 256 signal points in FIG. 11 are named “signal point 1” “signal point 2”... “Signal point 255” “signal point 256”. (Since there are 256 signal points, “signal point 1” to “signal point 256” exist.) In the in-phase I-quadrature Q plane, the distance between “signal point i” and the origin is Di. To do. At this time, w 256c is given as follows.
- 256QAM mapping method # 3 The 256QAM mapping method described above is referred to herein as “256QAM mapping method # 3”.
- the mapping unit H1002 receives data H1001 obtained after processing such as error correction coding and interleaving (data rearrangement) on the information, and the control signal H1012. Based on this, the modulation scheme for s1 and the modulation scheme for s2 are set, mapping for s1 and mapping for s2 are performed, and the mapped signals s1 (t), (H1003A) and the mapped signal s2 (t ) (H1003B) is output (s1 (t) and s2 (t) are complex numbers).
- t is time, but s1 and s2 may be a function of frequency f, or may be a function of time t and frequency f (thus, s1 (f), s2 (f), Alternatively, s1 (t, f) and s2 (t, f) may be expressed as a function of time t.
- the weighting combining unit H1006 receives the signal H1005A after power change (x1 (t)), the signal H1005B after power change (x2 (t)), and the control signal H1012.
- a matrix (precoding matrix) W having complex numbers as elements is set, and the matrix W is multiplied by the signal H1005A (x1 (t)) after power change and the signal H1005B (x2 (t)) after power change (pre Coding), a signal z1 ′ (t) (H1007A) after weighted synthesis and a signal z2 ′ (t) (H1007B) after weighted synthesis are output.
- w11, w12, w21, and w22 may be functions of time t or may not be functions of time t. Note that w11, w12, w21, and w22 may be real numbers or complex numbers.
- the phase changing unit H1008 receives the weighted synthesized signal z2 ′ (t) (H1007B) and the control signal H1012, sets a phase change value ⁇ (t) to be regularly changed based on the control signal H1012, and weights it.
- the phase is changed with respect to the combined signal z2 ′ (t) (H1007B), and the signal H1009 (z2 ′′ (t)) after the phase change is output. Therefore, the signal H1009 (z2 ′′ (t)) after the phase change is expressed by the following equation.
- ⁇ (t) is treated as a function of time t, ⁇ may be a function of frequency f or a function of frequency f and time t. The phase change will be described later.
- the power changing unit H1010B receives the signal H1009 (z2 ′′ (t)) after the phase change and the control signal H1012, and sets the coefficient b based on the control signal H1012 (b is a real number, where b is zero) (B ⁇ 0).)
- z1 (t) and z2 (t) are transmitted from different antennas using the same time and the same frequency (common frequency).
- z1 (t) and z2 (t) are treated as functions of time t
- z1 (t) and z2 (t) may be functions of frequency f, or functions of time t and frequency f.
- z1 (f), z2 (f), or z1 (t, f), z2 (t, f) but here, as an example, at time t It was described as a function.
- z1 (t), z2 (t), z1 ′ (t), z2 ′ (t), and z2 ′′ (t) are also functions of time, but they may be functions of frequency f and time. It may be a function of t and frequency f.
- FIG. 14 shows a configuration related to signal processing after the signal processing of FIGS. 12 and 13 is performed.
- Insertion section H1224A receives modulation signal H1221A, pilot symbol signal H1222A, control information symbol signal H1223A, and control signal H1212 as input, and based on information related to the transmission method and frame configuration included in control signal H1212, modulation signal H1221A, pilot A baseband signal H1225A based on the frame configuration is generated from the symbol signal H1222A and the control information symbol signal H1223A and output.
- the modulation signal H1221A corresponds to z1 (t) in FIG. 12 or FIG.
- insertion section H1224B receives modulated signal H1221B, pilot symbol signal H1222B, control information symbol signal H1223B, and control signal H1212 as input, and based on the information related to the transmission method and frame configuration included in control signal H1212, A baseband signal H1225B based on the frame configuration is generated from H1221B, pilot symbol signal H1222B, and control information symbol signal H1223B, and output.
- the modulation signal H1221B corresponds to z2 (t) in FIG. 12 or FIG.
- Radio section H1226A receives baseband signal H1225A and control signal H1212 as input, and performs inverse Fourier transform and uses orthogonal modulation when using, for example, OFDM (OrthogonalequFrequency Division Multiplexing) based on control signal H1212. Then, processing such as frequency conversion and amplification is performed to generate and output a transmission signal H1226A.
- the transmission signal H1226A is output from the antenna H1228A as a radio wave.
- the radio unit H1226B receives the baseband signal H1225B and the control signal H1212, and performs inverse Fourier transform, for example, when using the OFDM method, based on the control signal H1212, and performs quadrature modulation and frequency conversion. Then, processing such as amplification is performed to generate and output a transmission signal H1226B.
- the transmission signal H1226B is output from the antenna H1228B as a radio wave.
- FIG. 15 shows an example of a frame configuration of a modulation signal transmitted by each antenna including z1 (t) and z2 (t) described in FIGS.
- the horizontal axis frequency (carrier) and the vertical axis time are shown.
- the control information symbol is not described in the frame configuration of FIG.
- H1301 in FIG. 15 indicates pilot symbols (according to the rules of group 1)
- H1302 indicates pilot symbols (according to the rules of group 2)
- H1303 indicates data symbols.
- the frame structure of the transmission signal H1227A in FIG. 14 is as shown in FIG. 15, and a symbol including a data symbol and a pilot symbol is transmitted.
- the data symbol H1303 is a symbol corresponding to z1 (t) and includes a component of s1 (t) and a component of s2 (t) (however, depending on the precoding matrix, the component of s1 (t) , S2 (t) may contain only one component).
- the frame structure of the transmission signal H1227B in FIG. 14 is as shown in FIG. 15, and symbols including data symbols and pilot symbols are transmitted.
- the data symbol H1303 is a symbol corresponding to z2 (t) and includes a component of s1 (t) and a component of s2 (t) (however, depending on the precoding matrix, the component of s1 (t) , S2 (t) may contain only one component).
- Transmission signal H1227A and transmission signal H1227B each include pilot symbols according to a certain rule.
- the frame configuration is not limited to that in FIG. 15, and a control information symbol including information on a transmission method, a modulation method, and an error correction method may be included in the frame.
- the transmission signal H1227B transmits a null symbol at the carrier and time at which the pilot symbol is transmitted by the transmission signal H1227A.
- the transmission signal H1227A transmits a null symbol at the carrier and time at which the pilot symbol is transmitted by the transmission signal H1227B.
- a different pilot symbol configuration may be used. The important point is that the channel variation of the transmission signal H1227A and the channel variation of the transmission signal H1227B are required in the receiving apparatus.
- FIG. 16 shows the relationship between the transmission device and the reception device in the present embodiment.
- the operation of the transmission apparatus has been described.
- movement of a receiver is demonstrated.
- H1401 indicates a transmitting device
- H1402 indicates a receiving device.
- the received signal of the antenna R1 of the receiving apparatus is r1
- the received signal of the antenna R2 is r2
- the radio wave propagation coefficients (channel fluctuations) between the antennas of the transceiver are h11, h12, h21, h22
- the following relational expression is established. To do.
- n1 and n2 are noises.
- each variable is a function of time t, but may be a function of frequency f, or may be a function of time t and frequency f (here, as an example, As a function of time t).
- the channel estimation unit H1403A in FIG. 16 estimates h11 (t) and h12 (t) in the above equations, and these values are estimated using, for example, pilot symbols in FIG. Become.
- the channel estimation unit H1403B in FIG. 16 estimates h21 (t) and h22 (t) in the above equations, and estimation of these values is performed using, for example, pilot symbols in FIG. Become.
- the signal processing unit H1404 in FIG. 16 obtains the log likelihood ratio of each bit of the data transmitted by the transmission device using the relationship of the above equation, and then performs processing such as deinterleaving and error correction decoding, Receive information is obtained.
- x is an integer not less than 0 and not more than N ⁇ 1
- y is an integer not less than 0 and not more than N ⁇ 1
- x ⁇ y and for all x and all y satisfying these, Phase [x] ⁇ Phase [y ] Is established.
- ⁇ (i) is Phase [k] (k is 0 or more and N ⁇ All of N kinds of phase values (integers of 1 or less) are used.
- ⁇ (i) Phase [i mod N].
- mod is modulo, and therefore, “i mod N” means the remainder when i is divided by N.
- 16QAM mapping method # 0 As described above, “16QAM mapping method # 0”, “16QAM mapping method # 1”, “16QAM mapping method # 2”, and “16QAM mapping method # 3” have been described as 16QAM mapping methods.
- M types of 16QAM signal point arrangement methods belonging to any of “16QAM mapping method # 0”, “16QAM mapping method # 1”, “16QAM mapping method # 2”, and “16QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter). At this time, the following conditions are satisfied.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (16QAM constellation $ p 2 of 16QAM signal points t) arranged $ p 1, s2 (t))".
- mapping set means that the following holds.
- First mapping set is the (s1 (16QAM signal points t) arranged $ p 1, s2 (t) 16QAM constellation $ p 2), 16QAM second mapping set (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set in the case of 16QAM signal point arrangement $ q 2 ) of signal point arrangement $ q 1 , s2 (t), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true.
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- 64QAM mapping method # 0 As described above, “64QAM mapping method # 0”, “64QAM mapping method # 1”, “64QAM mapping method # 2”, and “64QAM mapping method # 3” have been described as the 64QAM mapping methods.
- M types of 64QAM signal point arrangement methods belonging to any of “64QAM mapping method # 0”, “64QAM mapping method # 1”, “64QAM mapping method # 2”, and “64QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter). At this time, the following conditions are satisfied.
- M types of 64QAM mapping are expressed as “64QAM signal point arrangement $ k”. (K is an integer from 0 to M ⁇ 1), the following holds.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (64QAM constellation of t) $ p 1, s2 ( t) 64QAM constellation $ p 2) of".
- mapping set means that the following holds.
- First mapping set is the (s1 (64QAM constellation of t) $ p 1, s2 ( t) 64QAM constellation $ p 2), 64QAM second mapping set (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set when the signal point arrangement $ q 1 , s2 (t) is 64QAM signal point arrangement $ q 2 ), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true. ”
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- 256QAM mapping method # 0 As described above, “256QAM mapping method # 0”, “256QAM mapping method # 1”, “256QAM mapping method # 2”, and “256QAM mapping method # 3” have been described as 256QAM mapping methods.
- M kinds of 256QAM signal point arrangement methods belonging to any of “256QAM mapping method # 0”, “256QAM mapping method # 1”, “256QAM mapping method # 2”, and “256QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter). At this time, the following conditions are satisfied.
- mapping of M types of 256QAM is expressed as “256QAM signal point arrangement $ k”. (K is an integer from 0 to M ⁇ 1), the following holds.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (256QAM constellation $ p 2 of 256QAM constellation $ p 1, s2 (t) of t))".
- mapping set means that the following holds.
- First mapping set is the (s1 (256QAM signal points t) arranged $ p 1, s2 (t) 256QAM constellation $ p 2)
- the different mapping sets are the following:
- First mapping set is the (s1 (256QAM signal points t) arranged $ p 1, s2 (t) 256QAM constellation $ p 2)
- 256QAM second mapping set is (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set when the signal point arrangement $ q 1 , s2 (t) is 256QAM signal point arrangement $ q 2 ), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true.
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- FIG. 18 will be described. 18 that operate in the same manner as in FIG. 12 are given the same numbers.
- mapping section H1002 receives data H1001 obtained after processing such as error correction coding and interleaving (data rearrangement) on the information, and control signal H1012, and outputs control signal H1012. Based on this, the modulation scheme for s1 and the modulation scheme for s2 are set, mapping for s1 and mapping for s2 are performed, and the mapped signals s1 (t), (H1003A) and the mapped signal s2 (t ) (H1003B) is output (s1 (t) and s2 (t) are complex numbers).
- t is time, but s1 and s2 may be a function of frequency f, or may be a function of time t and frequency f (thus, s1 (f), s2 (f), Alternatively, s1 (t, f) and s2 (t, f) may be expressed as a function of time t.
- the phase changing unit H1601 receives the mapped signal s2 (t) (H1003B) and the control signal H1012, and sets a phase change value ⁇ (t) to be regularly changed based on the control signal H1012.
- the phase of the signal s2 (t) (H1003B) is changed, and a signal H1602 (s2 ′ (t)) after the phase change is output. Therefore, the signal H1602 (s2 '(t)) after the phase change is expressed by the following equation.
- ⁇ (t) is treated as a function of time t, ⁇ may be a function of frequency f or a function of frequency f and time t. The phase change will be described later.
- the weighting combining unit H1006 receives the signal H1005A after power change (x1 (t)), the signal H1005B after power change (x2 (t)), and the control signal H1012.
- a matrix (precoding matrix) W having complex numbers as elements is set, and the matrix W is multiplied by the signal H1005A (x1 (t)) after power change and the signal H1005B (x2 (t)) after power change (pre Coding), a signal z1 ′ (t) (H1007A) after weighted synthesis and a signal z2 ′ (t) (H1007B) after weighted synthesis are output.
- w11, w12, w21, and w22 may be functions of time t or may not be functions of time t. Note that w11, w12, w21, and w22 may be real numbers or complex numbers.
- the phase changing unit H1008 receives the weighted synthesized signal z2 ′ (t) (H1007B) and the control signal H1012, sets a phase change value ⁇ (t) to be regularly changed based on the control signal H1012, and weights it.
- the phase is changed with respect to the combined signal z2 ′ (t) (H1007B), and the signal H1009 (z2 ′′ (t)) after the phase change is output. Therefore, the signal H1009 (z2 ′′ (t)) after the phase change is expressed by the following equation.
- ⁇ (t) is treated as a function of time t, ⁇ may be a function of frequency f or a function of frequency f and time t. The phase change will be described later.
- the power changing unit H1010B receives the signal H1009 (z2 ′′ (t)) after the phase change and the control signal H1012, and sets the coefficient b based on the control signal H1012 (b is a real number, where b is zero) (B ⁇ 0).)
- z1 (t) and z2 (t) are transmitted from different antennas using the same time and the same frequency (common frequency).
- z1 (t) and z2 (t) are treated as functions of time t
- z1 (t) and z2 (t) may be functions of frequency f, or functions of time t and frequency f.
- z1 (f), z2 (f), or z1 (t, f), z2 (t, f) but here, as an example, at time t It was described as a function.
- z1 (t), z2 (t), z1 ′ (t), z2 ′ (t), and z2 ′′ (t) are also functions of time, but they may be functions of frequency f and time. It may be a function of t and frequency f.
- FIG. 16 shows the relationship between the transmitting device and the receiving device in the above-described (FIGS. 18, 19, 20, and 21).
- the operation of the transmission apparatus has been described.
- movement of a receiver is demonstrated.
- H1401 indicates a transmitting device
- H1402 indicates a receiving device.
- the received signal of the antenna R1 of the receiving apparatus is r1
- the received signal of the antenna R2 is r2
- the radio wave propagation coefficients (channel fluctuations) between the antennas of the transceiver are h11, h12, h21, h22
- the following relational expression is established. To do.
- n1 and n2 are noises.
- each variable is a function of time t, but may be a function of frequency f, or may be a function of time t and frequency f (here, as an example, As a function of time t).
- the channel estimation unit H1403A in FIG. 16 estimates h11 (t) and h12 (t) in the above equations, and these values are estimated using, for example, pilot symbols in FIG. Become.
- the channel estimation unit H1403B in FIG. 16 estimates h21 (t) and h22 (t) in the above equations, and estimation of these values is performed using, for example, pilot symbols in FIG. Become.
- the signal processing unit H1404 in FIG. 16 obtains the log likelihood ratio of each bit of the data transmitted by the transmission device using the relationship of the above equation, and then performs processing such as deinterleaving and error correction decoding, Received information is obtained (Non-Patent Document 5, Non-Patent Document 6).
- the reception apparatus may obtain high data reception quality even if the above ⁇ Condition # 2> is not satisfied).
- ⁇ (i) is Phase [k] (k is 0 or more and N ⁇ All of N kinds of phase values (integers of 1 or less) are used.
- ⁇ (i) Phase [i mod N].
- mod is modulo, and therefore, “i mod N” means the remainder when i is divided by N.
- 16QAM mapping method # 0 As described above, “16QAM mapping method # 0”, “16QAM mapping method # 1”, “16QAM mapping method # 2”, and “16QAM mapping method # 3” have been described as 16QAM mapping methods.
- M types of 16QAM signal point arrangement methods belonging to any of “16QAM mapping method # 0”, “16QAM mapping method # 1”, “16QAM mapping method # 2”, and “16QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter).
- M types of 16QAM mapping are expressed as “16QAM signal point arrangement $ k”. (K is an integer between 0 and M ⁇ 1), the above ⁇ Condition # 4> is satisfied.
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (16QAM constellation $ p 2 of 16QAM signal points t) arranged $ p 1, s2 (t))".
- mapping set means that the following holds.
- First mapping set is the (s1 (16QAM signal points t) arranged $ p 1, s2 (t) 16QAM constellation $ p 2), 16QAM second mapping set (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set in the case of 16QAM signal point arrangement $ q 2 ) of signal point arrangement $ q 1 , s2 (t), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true.
- the transmission apparatus (mapping units in FIGS. 18, 19, 20, and 21) prepares L types of mapping sets (L is an integer of 2 or more).
- Mapping set * k (k is an integer from 0 to L ⁇ 1). At this time, the above ⁇ Condition # 5> is satisfied.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 1”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- 64QAM mapping method # 0 As described above, “64QAM mapping method # 0”, “64QAM mapping method # 1”, “64QAM mapping method # 2”, and “64QAM mapping method # 3” have been described as the 64QAM mapping methods.
- M types of 64QAM signal point arrangement methods belonging to any of “64QAM mapping method # 0”, “64QAM mapping method # 1”, “64QAM mapping method # 2”, and “64QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter).
- M types of 64QAM mapping are expressed as “64QAM signal point arrangement $ k”. (K is an integer between 0 and M ⁇ 1), the above ⁇ Condition # 9> is satisfied.
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (64QAM constellation of t) $ p 1, s2 ( t) 64QAM constellation $ p 2) of".
- mapping set means that the following holds.
- First mapping set is the (s1 (64QAM constellation of t) $ p 1, s2 ( t) 64QAM constellation $ p 2), 64QAM second mapping set (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set when the signal point arrangement $ q 1 , s2 (t) is 64QAM signal point arrangement $ q 2 ), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true. ”
- the transmission apparatus (mapping units in FIGS. 18, 19, 20, and 21) prepares L types of mapping sets (L is an integer of 2 or more).
- Mapping set * k (k is an integer from 0 to L ⁇ 1). At this time, the above ⁇ Condition # 10> is satisfied.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 1”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- 256QAM mapping method # 0 As described above, “256QAM mapping method # 0”, “256QAM mapping method # 1”, “256QAM mapping method # 2”, and “256QAM mapping method # 3” have been described as 256QAM mapping methods.
- M kinds of 256QAM signal point arrangement methods belonging to any of “256QAM mapping method # 0”, “256QAM mapping method # 1”, “256QAM mapping method # 2”, and “256QAM mapping method # 3” are prepared.
- M is an integer greater than or equal to 2) (in the transmitter).
- mapping of M types of 256QAM is expressed as “256QAM signal point arrangement $ k”. (K is an integer between 0 and M ⁇ 1), the above ⁇ Condition # 14> is satisfied.
- a state where the minimum Euclidean state is small can be reduced. Can obtain an effect of increasing the possibility of obtaining high data reception quality.
- mapping set is defined as "(s1 (256QAM constellation $ p 2 of 256QAM constellation $ p 1, s2 (t) of t))".
- mapping set means that the following holds.
- First mapping set is the (s1 (256QAM signal points t) arranged $ p 1, s2 (t) 256QAM constellation $ p 2)
- the different mapping sets are the following:
- First mapping set is the (s1 (256QAM signal points t) arranged $ p 1, s2 (t) 256QAM constellation $ p 2)
- 256QAM second mapping set is (s1 (t) In the case of a mapping set in which the second mapping set is different from the first mapping set when the signal point arrangement $ q 1 , s2 (t) is 256QAM signal point arrangement $ q 2 ), or p 1 ⁇ q 1 , or p 2 ⁇ q 2 is true.
- the transmission apparatus (mapping units in FIGS. 18, 19, 20, and 21) prepares L types of mapping sets (L is an integer of 2 or more).
- Mapping set * k (k is an integer from 0 to L ⁇ 1). At this time, the above ⁇ Condition # 15> is satisfied.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 1”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 0”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 0] to change the phase.
- mapping unit in FIG. 18, FIG. 19, FIG. 20, or FIG. 21 performs mapping by “mapping set * 2”, and then the phase change unit H1008, H1801, or H1901 performs Phase [ 1] will be used to change the phase.
- the possibility that a state where the minimum Euclidean is small (in particular, when the direct wave is dominant in the radio wave propagation environment) is constantly reduced is reduced. It is possible to obtain an effect of increasing the possibility of obtaining reception quality.
- phase change value ⁇ (t) (see Expression 16) used by the phase change units H1601 and H1701 in FIGS. 18, 19, 20, and 21 may be regularly changed (for example, ⁇ (t)). alike.). Or, it is a function of time t (or “function of frequency f” or “function of time t and frequency f”), but may be a fixed value.
- the precoding matrix W of (Equation 10) and (Equation 17) described in the present embodiment may be a fixed precoding matrix, or may be time t (or “frequency f”, or Switching may be performed according to “time t and frequency f”).
- An example of the precoding matrix W is described below.
- ⁇ may be a real number. It may be an imaginary number, and ⁇ may be a real number or an imaginary number. However, ⁇ is not 0 (zero). ⁇ is not 0 (zero).
- x is an angle (the unit is “ Radians ”or“ degrees ”) (real number), and in (Expression 33), (Expression 35), (Expression 37), and (Expression 39), ⁇ may be a real number or an imaginary number. Also good. However, ⁇ is not 0 (zero).
- X 11 and X 21 are real numbers (unit is “radian” or “degree”) (fixed value).
- Y is a fixed value (real number), and ⁇ may be a real number or an imaginary number.
- (beta) of (Formula 41) and (Formula 43) may be a real number, and may be an imaginary number. However, ⁇ is not 0 (zero). ⁇ is not 0 (zero).
- X 11 (i) and X 21 (i) are real numbers (unit is “radian” or “degree”).
- X 11 (i) is a function of i (“time” or “frequency” or “time and frequency”), and Y is a fixed value (real number)
- ⁇ may be a real number or an imaginary number.
- ⁇ in (Expression 45) and (Expression 47) may be a real number or an imaginary number. However, ⁇ is not 0 (zero). ⁇ is not 0 (zero).
- p and q may be real numbers (fixed values) or imaginary numbers (fixed values). However, p is not 0 (zero), and q is not 0 (zero).
- p (i) and q (i) may be real numbers or imaginary numbers, and i (“time” or “frequency”). Or a function of “time and frequency”. However, p (i) is not 0 (zero), and q (i) is not 0 (zero).
- the precoding matrix W becomes full rank.
- this embodiment can be implemented even when the following conditions are satisfied for mapping.
- (s1 (t) modulation method, s2 (t) modulation method) (modulation method having 16 signal points on the IQ plane (4 per symbol) Bit transmission), and a modulation scheme (16 bits transmission per symbol) having 16 signal points on the IQ plane.
- M types of signal point arrangement methods of modulation scheme (4 bit transmission per symbol) having 16 signal points on the IQ plane are prepared (M is an integer of 2 or more) (in the transmission apparatus). At this time, the following conditions are satisfied.
- mapping method used in s1 (i) and the mapping method used in s2 (i) are combined, all M types of mapping methods are used.
- mapping of modulation schemes having 16 signal points on M types of IQ planes (4-bit transmission per symbol) is expressed as “signal point arrangement $ k of modulation schemes having 16 signal points”. (K is an integer from 0 to M ⁇ 1), the following holds.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- mapping set is expressed as “(signal point arrangement $ p 1 of modulation scheme having 16 signal points of s1 (t), signal point arrangement $ p 2 of modulation scheme having 16 signal points of s2 (t))” Is defined.
- mapping set means that the following holds.
- mapping set (modulation method signal point arrangement $ p 1 with 16 signal points of s1 (t), modulation system signal point arrangement $ p 1 of 16 signal points of s2 (t) 2 ), and the second mapping set has a modulation scheme signal point arrangement $ q 1 having 16 signal points (s1 (t) and 16 signal points s2 (t).
- the different mapping sets are the following:
- mapping set (modulation method signal point arrangement $ p 1 with 16 signal points of s1 (t), modulation system signal point arrangement $ p 1 of 16 signal points of s2 (t) 2 ), and the second mapping set has a modulation scheme signal point arrangement $ q 1 having 16 signal points (s1 (t) and 16 signal points s2 (t). If the second mapping set is different from the first mapping set in the case of point arrangement $ q 2 ), p 1 ⁇ q 1 or p 2 ⁇ q 2 is established. ”
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- M types of signal point arrangement methods of modulation scheme (6 bit transmission per symbol) having 64 signal points on the IQ plane are prepared (M is an integer of 2 or more) (in the transmission apparatus). At this time, the following conditions are satisfied.
- mapping of a modulation scheme (64 bits per symbol transmission) having 64 signal points on M kinds of IQ planes is expressed as “signal point arrangement $ k of modulation scheme having 64 signal points”. (K is an integer from 0 to M ⁇ 1), the following holds.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- mapping set is expressed as “(signal point arrangement $ p 1 of modulation system having 64 signal points of s1 (t), signal point arrangement $ p 2 of modulation system having 64 signal points of s2 (t))” Is defined.
- mapping set means that the following holds.
- the first mapping set is a modulation scheme signal point arrangement $ p 1 with 64 signal points of s1 (t), a modulation scheme signal point arrangement $ p of 64 signal points of s2 (t) 2 ), and the second mapping set is a modulation scheme signal having 64 signal points of modulation scheme constellation $ q 1 , s2 (t) having 64 signal points of s1 (t).
- the different mapping sets are the following:
- the first mapping set is a modulation scheme signal point arrangement $ p 1 with 64 signal points of s1 (t), a modulation scheme signal point arrangement $ p of 64 signal points of s2 (t) 2 ), and the second mapping set is a modulation scheme signal having 64 signal points of modulation scheme constellation $ q 1 , s2 (t) having 64 signal points of s1 (t). If the second mapping set is different from the first mapping set in the case of point arrangement $ q 2 ), p 1 ⁇ q 1 or p 2 ⁇ q 2 is established. ”
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- M types of signal point arrangement methods of modulation scheme (8 bit transmission per symbol) having 256 signal points on the IQ plane are prepared (M is an integer of 2 or more) (in the transmission apparatus). At this time, the following conditions are satisfied.
- mapping of a modulation scheme having 256 signal points on M types of IQ planes (8-bit transmission per symbol) is expressed as “signal point arrangement $ k of modulation scheme having 256 signal points”. (K is an integer from 0 to M ⁇ 1), the following holds.
- x is an integer from 0 to M ⁇ 1
- y is an integer from 0 to M ⁇ 1
- the coordinates of 256 signal points in the in-phase I-orthogonal Q plane of “modulation method signal point arrangement $ g having 256 signal points” are represented by (I g, i , Q g, i ) (i is 0 (Integer of 255 or less), and the coordinates of 256 signal points in the in-phase I-orthogonal Q plane of “modulation method signal point arrangement $ h having 256 signal points” (I h, j , Q h, j ) (J is an integer from 0 to 255).
- the coordinates of 256 signal points in the in-phase I-orthogonal Q plane of “modulation method signal point arrangement $ g having 256 signal points” are represented by (I g, i , Q g, i ) (i is 0 (Integer of 255 or less), and the coordinates of 256 signal points in the in-phase I-orthogonal Q plane of “modulation method signal point arrangement $ h having 256 signal points” (I h, j , Q h, j ) (J is an integer from 0 to 255).
- mapping set is expressed as “(signal point arrangement $ p 1 of modulation method having 256 signal points of s1 (t), signal point arrangement $ p 2 of modulation method having 256 signal points of s2 (t))” Is defined.
- mapping set means that the following holds.
- mapping set (modulation method signal point arrangement $ p 1 having 256 signal points of s1 (t), modulation system signal point arrangement $ p 1 of 256 signal points of s2 (t) 2 ), and the second mapping set has a modulation scheme signal point arrangement $ q 1 , having 256 signal points of s1 (t), and a modulation scheme signal having 256 signal points of s2 (t)
- the different mapping sets are the following:
- mapping set (modulation method signal point arrangement $ p 1 having 256 signal points of s1 (t), modulation system signal point arrangement $ p 1 of 256 signal points of s2 (t) 2 ), and the second mapping set has a modulation scheme signal point arrangement $ q 1 , having 256 signal points of s1 (t), and a modulation scheme signal having 256 signal points of s2 (t) If the second mapping set is different from the first mapping set in the case of point arrangement $ q 2 ), p 1 ⁇ q 1 or p 2 ⁇ q 2 is established. ”
- the transmission apparatus (mapping units in FIGS. 12 and 13) prepares L types of mapping sets (L is an integer of 2 or more), and sets the L types of mapping sets to “mapping set * k” ( k is an integer between 0 and L ⁇ 1). At this time, the following is satisfied.
- x is an integer not less than 0 and not more than L-1
- y is an integer not less than 0 and not more than L-1
- x is an integer of 0 or more and L-1 or less.
- the horizontal axis is the time number (slot number) i.
- mapping set * 0 At this time, pay attention to "mapping set * 0".
- the mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 1”, and then the phase changing unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 0”, and then the phase change unit performs phase change using Phase [1].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit changes the phase using Phase [0].
- mapping unit in FIG. 12 or FIG. 13 performs mapping by “mapping set * 2”, and then the phase change unit performs phase change using Phase [1].
- x is an integer of 0 or more and L-1 or less, and x satisfies the following.
- each embodiment and other contents are merely examples.
- the same configuration can be used. Is possible.
- APSK Amplitude Phase Shift Keying
- PAM Pulse Amplitude Modulation
- PSK Phase Shift Keying
- QAM Quadrature Amplitude Modulation
- 4QAM, 8QAM, 16QAM, 64QAM, 128QAM, 256QAM, 1024QAM, 4096QAM, etc. may be applied, and uniform mapping or non-uniform mapping may be used in each modulation scheme.
- 2, 4, 8, 16, 64, 128, 256, 1024, etc. signal point arrangement methods in the IQ plane (2, 4, 8, 16,
- the modulation scheme having signal points of 64, 128, 256, 1024, etc.) is not limited to the signal point arrangement method of the modulation scheme shown in this specification. Therefore, the function of outputting the in-phase component and the quadrature component based on a plurality of bits is a function of the mapping unit, and then performing precoding and phase change is one effective function of the present disclosure.
- ⁇ represents a universal symbol (universal “quantifier”) and “ ⁇ ” represents an existence symbol (existential “quantifier”).
- a complex plane it can be displayed in polar form as a display of complex polar coordinates.
- Z a + jb is expressed as r ⁇ e j ⁇ .
- the embodiment in which the precoding weight and the phase are changed on the time axis has been described.
- a multicarrier transmission scheme such as OFDM transmission
- the present embodiment can be similarly implemented.
- the receiving apparatus obtains information on the number of transmission signals transmitted by the transmitting apparatus, thereby performing a precoding weight / phase switching method. Can be.
- the receiving apparatus has an interface for inputting a signal received by an antenna or a signal obtained by performing frequency conversion on a signal received by an antenna through a cable, and the receiving apparatus performs subsequent processing. .
- data / information obtained by the receiving device is then converted into video or sound and displayed on a display (monitor) or sound is output from a speaker. Further, the data / information obtained by the receiving device is subjected to signal processing related to video and sound (signal processing may not be performed), and the RCA terminal (video terminal, sound terminal), USB ( It may be output from Universal (Serial Bus), HDMI (registered trademark) (High-Definition Multimedia Interface), a digital terminal, or the like.
- the transmission device is equipped with a communication / broadcasting device such as a broadcasting station, a base station, an access point, a terminal, a mobile phone, and the like.
- the receiving device is equipped with a communication device such as a television, a radio, a terminal, a personal computer, a mobile phone, an access point, and a base station.
- the transmission device and the reception device in the present disclosure are devices having a communication function, and the devices provide some interface to a device for executing an application such as a television, a radio, a personal computer, or a mobile phone. It is also conceivable that the connection is possible.
- symbols other than data symbols for example, pilot symbols (preamble, unique word, postamble, reference symbol, etc.), control information symbols, etc.
- pilot symbols preamble, unique word, postamble, reference symbol, etc.
- control information symbols etc.
- the pilot symbol and the control information symbol are named, but any naming method may be used, and the function itself is important.
- the pilot symbol is, for example, a known symbol modulated by using PSK modulation in a transmitter / receiver (or the receiver may know the symbol transmitted by the transmitter by synchronizing the receiver). .), And the receiver uses this symbol to perform frequency synchronization, time synchronization, channel estimation (for each modulated signal) (estimation of CSI (Channel State Information)), signal detection, and the like. Become.
- control information symbol is information (for example, a modulation method, an error correction coding method used for communication, a communication information symbol) that needs to be transmitted to a communication partner in order to realize communication other than data (such as an application).
- This is a symbol for transmitting an error correction coding method coding rate, setting information in an upper layer, and the like.
- the precoding switching method in the method of transmitting two modulated signals from two antennas has been described.
- the present invention is not limited to this, and precoding is performed on four mapped signals.
- a method of generating one modulated signal and transmitting from four antennas that is, a method of generating N modulated signals by performing precoding on N mapped signals and transmitting from N antennas
- a precoding switching method for changing precoding weights can be similarly implemented.
- precoding and “precoding weight” are used, but any name may be used.
- signal processing itself is important.
- Different data may be transmitted by the streams s1 (t) and s2 (t), or the same data may be transmitted.
- Both the transmitting antenna of the transmitting device and the receiving antenna of the receiving device may be configured by a plurality of antennas.
- transmission apparatus that is omitted depending on the embodiment in which it is necessary to notify the transmission apparatus and the reception apparatus of the transmission method (MIMO, SISO, space-time block code, interleaving method), modulation method, and error correction coding method.
- MIMO MIMO, SISO, space-time block code, interleaving method
- modulation method modulation method
- error correction coding method A receiving device that will be present in the frame to be transmitted will change its operation by obtaining this.
- a program for executing the communication method may be stored in a ROM (Read Only Memory) in advance, and the program may be operated by a CPU (Central Processor Unit).
- ROM Read Only Memory
- CPU Central Processor Unit
- a program for executing the above communication method is stored in a computer-readable storage medium, the program stored in the storage medium is recorded in a RAM (Random Access Memory) of the computer, and the computer is operated according to the program. You may do it.
- Each configuration such as the above embodiments may be typically realized as an LSI (Large Scale Integration) that is an integrated circuit. These may be individually made into one chip, or may be made into one chip so as to include all or part of the configurations of the respective embodiments.
- LSI Large Scale Integration
- LSI Integrated Circuit
- IC Integrated Circuit
- system LSI system LSI
- super LSI super LSI
- ultra LSI ultra LSI
- the method of circuit integration is not limited to LSI's, and implementation using dedicated circuitry or general purpose processors is also possible.
- An FPGA Field Programmable Gate Array
- reconfigurable processor that can reconfigure the connection and setting of circuit cells inside the LSI may be used.
- the present disclosure can be widely applied to wireless systems that transmit different modulation signals from a plurality of antennas.
- the present invention also applies to a case where MIMO transmission is performed in a wired communication system (for example, a PLC (Power Line Communication) system, an optical communication system, a DSL (Digital Subscriber Line) system) having a plurality of transmission points. be able to.
- a wired communication system for example, a PLC (Power Line Communication) system, an optical communication system, a DSL (Digital Subscriber Line) system
- a wired communication system for example, a PLC (Power Line Communication) system, an optical communication system, a DSL (Digital Subscriber Line) system
- DSL Digital Subscriber Line
Abstract
Description
図1は、送信アンテナ数2、受信アンテナ数2、送信変調信号(送信ストリーム)数2のときの送受信装置の構成の一例を示している。送信装置では、符号化されたデータをインタリーブし、インタリーブ後のデータを変調し、周波数変換等を行い送信信号が生成され、送信信号はアンテナから送信される。このとき、送信アンテナからそれぞれ異なる変調信号が同一時刻に同一周波数に送信する方式が空間多重MIMO方式である。
まず、本実施の形態に関連するマッピング方法(変調方式における同相I―直交Qにおける信号点配置)について、例として16QAM、64QAM、256QAMのマッピング方法について説明する。
16QAMのマッピング方法について説明する。
(3×w16a,3×w16a)、(3×w16a,f×w16a)、(3×w16a,-f×w16a)、(3×w16a,-3×w16a)、(f×w16a,3×w16a)、(f×w16a,f×w16a)、(f×w16a,-f×w16a)、(f×w16a,-3×w16a)、(-f×w16a,3×w16a)、(-f×w16a,f×w16a)、(-f×w16a,-f×w16a)、(-f×w16a,-3×w16a)、(-3×w16a,3×w16a)、(-3×w16a,f×w16a)、(-3×w16a,-f×w16a)、(-3×w16a,-3×w16a)、となる(w16aは0より大きい実数となる)。
(3×w16a,3×w16a)、(3×w16a,f×w16a)、(3×w16a,-f×w16a)、(3×w16a,-3×w16a)、(f×w16a,3×w16a)、(f×w16a,f×w16a)、(f×w16a,-f×w16a)、(f×w16a,-3×w16a)、(-f×w16a,3×w16a)、(-f×w16a,f×w16a)、(-f×w16a,-f×w16a)、(-f×w16a,-3×w16a)、(-3×w16a,3×w16a)、(-3×w16a,f×w16a)、(-3×w16a,-f×w16a)、(-3×w16a,-3×w16a)
の直下にb0、b1、b2、b3のセット0000~1111の値が示されている。b0、b1、b2、b3のセット0000~1111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、16QAM時のb0、b1、b2、b3のセット(0000~1111)と信号点の座標の関係は、図3に限ったものではない。
(3×w16b,3×w16b)、(3×w16b,f2×w16b)、(3×w16b,-f2×w16b)、(3×w16b,-3×w16b)、(f1×w16b,3×w16b)、(f1×w16b,f2×w16b)、(f1×w16b,-f2×w16b)、(f1×w16b,-3×w16b)、(-f1×w16b,3×w16b)、(-f1×w16b,f2×w16b)、(-f1×w16b,-f2×w16b)、(-f1×w16b,-3×w16b)、(-3×w16b,3×w16b)、(-3×w16b,f2×w16b)、(-3×w16b,-f2×w16b)、(-3×w16b,-3×w16b)、
となる(w16bは0より大きい実数となる)。
(3×w16b,3×w16b)、(3×w16b,f2×w16b)、(3×w16b,-f2×w16b)、(3×w16b,-3×w16b)、(f1×w16b,3×w16b)、(f1×w16b,f2×w16b)、(f1×w16b,-f2×w16b)、(f1×w16b,-3×w16b)、(-f1×w16b,3×w16b)、(-f1×w16b,f2×w16b)、(-f1×w16b,-f2×w16b)、(-f1×w16b,-3×w16b)、(-3×w16b,3×w16b)、(-3×w16b,f2×w16b)、(-3×w16b,-f2×w16b)、(-3×w16b,-3×w16b)、
の直下にb0、b1、b2、b3のセット0000~1111の値が示されている。b0、b1、b2、b3のセット0000~1111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、16QAM時のb0、b1、b2、b3のセット(0000~1111)と信号点の座標の関係は、図H2に限ったものではない。
(k1×w16c,k2×w16c)、(k1×w16c,1×w16c)、(k1×w16c,-1×w16c)、(k1×w16c,-k2×w16c)、(1×w16c,k2×w16c)、(1×w16c,1×w16c)、(1×w16c,-1×w16c)、(1×w16c,-k2×w16c)、(-1×w16c,k2×w16c)、(-1×w16c,1×w16c)、(-1×w16c,-1×w16c)、(-1×w16c,-k2×w16c)、(-k1×w16c,k2×w16c)、(-k1×w16c,1×w16c)、(-k1×w16c,-1×w16c)、(-k1×w16c,-k2×w16c)、
となる(w16cは0より大きい実数となる)。
(k1×w16c,k2×w16c)、(k1×w16c,1×w16c)、(k1×w16c,-1×w16c)、(k1×w16c,-k2×w16c)、(1×w16c,k2×w16c)、(1×w16c,1×w16c)、(1×w16c,-1×w16c)、(1×w16c,-k2×w16c)、(-1×w16c,k2×w16c)、(-1×w16c,1×w16c)、(-1×w16c,-1×w16c)、(-1×w16c,-k2×w16c)、(-k1×w16c,k2×w16c)、(-k1×w16c,1×w16c)、(-k1×w16c,-1×w16c)、(-k1×w16c,-k2×w16c)、
の直下にb0、b1、b2、b3のセット0000~1111の値が示されている。b0、b1、b2、b3のセット0000~1111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、16QAM時のb0、b1、b2、b3のセット(0000~1111)と信号点の座標の関係は、図5に限ったものではない。
{{g1≠7、かつ、g2≠7、かつ、g3≠7}が成立する}、
かつ、{{(g1、g2、g3)≠(1、3、5)、かつ、(g1、g2、g3)≠(1、5、3)、かつ、(g1、g2、g3)≠(3、1、5)、かつ、(g1、g2、g3)≠(3、5、1)、かつ、(g1、g2、g3)≠(5、1、3)、かつ、(g1、g2、g3)≠(5、3、1)}が成立する}、
かつ、{{g1≠g2、かつ、g1≠g3、かつ、g2≠g3}が成立する}
であるものとする。
(7×w64a,7×w64a)、(7×w64a,g3×w64a)、(7×w64a,g2×w64a)、(7×w64a,g1×w64a)、(7×w64a,-g1×w64a)、(7×w64a,-g2×w64a)、(7×w64a,-g3×w64a)、(7×w64a,-7×w64a)
(g3×w64a,7×w64a)、(g3×w64a,g3×w64a)、(g3×w64a,g2×w64a)、(g3×w64a,g1×w64a)、(g3×w64a,-g1×w64a)、(g3×w64a,-g2×w64a)、(g3×w64a,-g3×w64a)、(g3×w64a,-7×w64a)
(g2×w64a,7×w64a)、(g2×w64a,g3×w64a)、(g2×w64a,g2×w64a)、(g2×w64a,g1×w64a)、(g2×w64a,-g1×w64a)、(g2×w64a,-g2×w64a)、(g2×w64a,-g3×w64a)、(g2×w64a,-7×w64a)
(g1×w64a,7×w64a)、(g1×w64a,g3×w64a)、(g1×w64a,g2×w64a)、(g1×w64a,g1×w64a)、(g1×w64a,-g1×w64a)、(g1×w64a,-g2×w64a)、(g1×w64a,-g3×w64a)、(g1×w64a,-7×w64a)
(-g1×w64a,7×w64a)、(-g1×w64a,g3×w64a)、(-g1×w64a,g2×w64a)、(-g1×w64a,g1×w64a)、(-g1×w64a,-g1×w64a)、(-g1×w64a,-g2×w64a)、(-g1×w64a,-g3×w64a)、(-g1×w64a,-7×w64a)
(-g2×w64a,7×w64a)、(-g2×w64a,g3×w64a)、(-g2×w64a,g2×w64a)、(-g2×w64a,g1×w64a)、(-g2×w64a,-g1×w64a)、(-g2×w64a,-g2×w64a)、(-g2×w64a,-g3×w64a)、(-g2×w64a,-7×w64a)
(-g3×w64a,7×w64a)、(-g3×w64a,g3×w64a)、(-g3×w64a,g2×w64a)、(-g3×w64a,g1×w64a)、(-g3×w64a,-g1×w64a)、(-g3×w64a,-g2×w64a)、(-g3×w64a,-g3×w64a)、(-g3×w64a,-7×w64a)
(-7×w64a,7×w64a)、(-7×w64a,g3×w64a)、(-7×w64a,g2×w64a)、(-7×w64a,g1×w64a)、(-7×w64a,-g1×w64a)、(-7×w64a,-g2×w64a)、(-7×w64a,-g3×w64a)、(-7×w64a,-7×w64a)
となる(w64aは0より大きい実数となる)。
(7×w64a,7×w64a)、(7×w64a,g3×w64a)、(7×w64a,g2×w64a)、(7×w64a,g1×w64a)、(7×w64a,-g1×w64a)、(7×w64a,-g2×w64a)、(7×w64a,-g3×w64a)、(7×w64a,-7×w64a)
(g3×w64a,7×w64a)、(g3×w64a,g3×w64a)、(g3×w64a,g2×w64a)、(g3×w64a,g1×w64a)、(g3×w64a,-g1×w64a)、(g3×w64a,-g2×w64a)、(g3×w64a,-g3×w64a)、(g3×w64a,-7×w64a)
(g2×w64a,7×w64a)、(g2×w64a,g3×w64a)、(g2×w64a,g2×w64a)、(g2×w64a,g1×w64a)、(g2×w64a,-g1×w64a)、(g2×w64a,-g2×w64a)、(g2×w64a,-g3×w64a)、(g2×w64a,-7×w64a)
(g1×w64a,7×w64a)、(g1×w64a,g3×w64a)、(g1×w64a,g2×w64a)、(g1×w64a,g1×w64a)、(g1×w64a,-g1×w64a)、(g1×w64a,-g2×w64a)、(g1×w64a,-g3×w64a)、(g1×w64a,-7×w64a)
(-g1×w64a,7×w64a)、(-g1×w64a,g3×w64a)、(-g1×w64a,g2×w64a)、(-g1×w64a,g1×w64a)、(-g1×w64a,-g1×w64a)、(-g1×w64a,-g2×w64a)、(-g1×w64a,-g3×w64a)、(-g1×w64a,-7×w64a)
(-g2×w64a,7×w64a)、(-g2×w64a,g3×w64a)、(-g2×w64a,g2×w64a)、(-g2×w64a,g1×w64a)、(-g2×w64a,-g1×w64a)、(-g2×w64a,-g2×w64a)、(-g2×w64a,-g3×w64a)、(-g2×w64a,-7×w64a)
(-g3×w64a,7×w64a)、(-g3×w64a,g3×w64a)、(-g3×w64a,g2×w64a)、(-g3×w64a,g1×w64a)、(-g3×w64a,-g1×w64a)、(-g3×w64a,-g2×w64a)、(-g3×w64a,-g3×w64a)、(-g3×w64a,-7×w64a)
(-7×w64a,7×w64a)、(-7×w64a,g3×w64a)、(-7×w64a,g2×w64a)、(-7×w64a,g1×w64a)、(-7×w64a,-g1×w64a)、(-7×w64a,-g2×w64a)、(-7×w64a,-g3×w64a)、(-7×w64a,-7×w64a)
の直下にb0、b1、b2、b3、b4、b5のセット000000~111111の値が示されている。b0、b1、b2、b3、b4、b5のセット000000~111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、64QAM時のb0、b1、b2、b3、b4、b5のセット(000000~111111)と信号点の座標の関係は、図6に限ったものではない。
{g1≠7、かつ、g2≠7、かつ、g3≠7、かつ、g1≠g2、かつ、g1≠g3、かつ、g2≠g3}
かつ、
{g4≠7、かつ、g5≠7、かつ、g6≠7、かつ、g4≠g5、かつ、g4≠g6、かつ、g5≠g6}
かつ、
{{g1≠g4、または、g2≠g5、または、g3≠g6}が成立する。}
が成立する。
(7×w64b,7×w64b)、(7×w64b,g6×w64b)、(7×w64b,g5×w64b)、(7×w64b,g4×w64b)、(7×w64b,-g4×w64b)、(7×w64b,-g5×w64b)、(7×w64b,-g6×w64b)、(7×w64b,-7×w64b)
(g3×w64b,7×w64b)、(g3×w64b,g6×w64b)、(g3×w64b,g5×w64b)、(g3×w64b,g4×w64b)、(g3×w64b,-g4×w64b)、(g3×w64b,-g5×w64b)、(g3×w64b,-g6×w64b)、(g3×w64b,-7×w64b)
(g2×w64b,7×w64b)、(g2×w64b,g6×w64b)、(g2×w64b,g5×w64b)、(g2×w64b,g4×w64b)、(g2×w64b,-g4×w64b)、(g2×w64b,-g5×w64b)、(g2×w64b,-g6×w64b)、(g2×w64b,-7×w64b)
(g1×w64b,7×w64b)、(g1×w64b,g6×w64b)、(g1×w64b,g5×w64b)、(g1×w64b,g4×w64b)、(g1×w64b,-g4×w64b)、(g1×w64b,-g5×w64b)、(g1×w64b,-g6×w64b)、(g1×w64b,-7×w64b)
(-g1×w64b,7×w64b)、(-g1×w64b,g6×w64b)、(-g1×w64b,g5×w64b)、(-g1×w64b,g4×w64b)、(-g1×w64b,-g4×w64b)、(-g1×w64b,-g5×w64b)、(-g1×w64b,-g6×w64b)、(-g1×w64b,-7×w64b)
(-g2×w64b,7×w64b)、(-g2×w64b,g6×w64b)、(-g2×w64b,g5×w64b)、(-g2×w64b,g4×w64b)、(-g2×w64b,-g4×w64b)、(-g2×w64b,-g5×w64b)、(-g2×w64b,-g6×w64b)、(-g2×w64b,-7×w64b)
(-g3×w64b,7×w64b)、(-g3×w64b,g6×w64b)、(-g3×w64b,g5×w64b)、(-g3×w64b,g4×w64b)、(-g3×w64b,-g4×w64b)、(-g3×w64b,-g5×w64b)、(-g3×w64b,-g6×w64b)、(-g3×w64b,-7×w64b)
(-7×w64b,7×w64b)、(-7×w64b,g6×w64b)、(-7×w64b,g5×w64b)、(-7×w64b,g4×w64b)、(-7×w64b,-g4×w64b)、(-7×w64b,-g5×w64b)、(-7×w64b,-g6×w64b)、(-7×w64b,-7×w64b)
となる(w64bは0より大きい実数となる)。
(7×w64b,7×w64b)、(7×w64b,g6×w64b)、(7×w64b,g5×w64b)、(7×w64b,g4×w64b)、(7×w64b,-g4×w64b)、(7×w64b,-g5×w64b)、(7×w64b,-g6×w64b)、(7×w64b,-7×w64b)
(g3×w64b,7×w64b)、(g3×w64b,g6×w64b)、(g3×w64b,g5×w64b)、(g3×w64b,g4×w64b)、(g3×w64b,-g4×w64b)、(g3×w64b,-g5×w64b)、(g3×w64b,-g6×w64b)、(g3×w64b,-7×w64b)
(g2×w64b,7×w64b)、(g2×w64b,g6×w64b)、(g2×w64b,g5×w64b)、(g2×w64b,g4×w64b)、(g2×w64b,-g4×w64b)、(g2×w64b,-g5×w64b)、(g2×w64b,-g6×w64b)、(g2×w64b,-7×w64b)
(g1×w64b,7×w64b)、(g1×w64b,g6×w64b)、(g1×w64b,g5×w64b)、(g1×w64b,g4×w64b)、(g1×w64b,-g4×w64b)、(g1×w64b,-g5×w64b)、(g1×w64b,-g6×w64b)、(g1×w64b,-7×w64b)
(-g1×w64b,7×w64b)、(-g1×w64b,g6×w64b)、(-g1×w64b,g5×w64b)、(-g1×w64b,g4×w64b)、(-g1×w64b,-g4×w64b)、(-g1×w64b,-g5×w64b)、(-g1×w64b,-g6×w64b)、(-g1×w64b,-7×w64b)
(-g2×w64b,7×w64b)、(-g2×w64b,g6×w64b)、(-g2×w64b,g5×w64b)、(-g2×w64b,g4×w64b)、(-g2×w64b,-g4×w64b)、(-g2×w64b,-g5×w64b)、(-g2×w64b,-g6×w64b)、(-g2×w64b,-7×w64b)
(-g3×w64b,7×w64b)、(-g3×w64b,g6×w64b)、(-g3×w64b,g5×w64b)、(-g3×w64b,g4×w64b)、(-g3×w64b,-g4×w64b)、(-g3×w64b,-g5×w64b)、(-g3×w64b,-g6×w64b)、(-g3×w64b,-7×w64b)
(-7×w64b,7×w64b)、(-7×w64b,g6×w64b)、(-7×w64b,g5×w64b)、(-7×w64b,g4×w64b)、(-7×w64b,-g4×w64b)、(-7×w64b,-g5×w64b)、(-7×w64b,-g6×w64b)、(-7×w64b,-7×w64b)
の直下にb0、b1、b2、b3、b4、b5のセット000000~111111の値が示されている。b0、b1、b2、b3、b4、b5のセット000000~111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、64QAM時のb0、b1、b2、b3、b4、b5のセット(000000~111111)と信号点の座標の関係は、図7に限ったものではない。
「m1>0(m1は0より大きい実数)、かつ、m2>0(m2は0より大きい実数)、かつ、m3>0(m3は0より大きい実数)、かつ、m4>0(m4は0より大きい実数)、かつ、m5>0(m5は0より大きい実数)、かつ、m6>0(m6は0より大きい実数)、かつ、m7>0(m7は0より大きい実数)、かつ、m8>0(m8は0より大きい実数)であり、
{m1≠m2、かつ、m1≠m3、かつ、m1≠m4、かつ、m2≠m3、かつ、m2≠m4、かつ、m3≠m4}
かつ、
{m5≠m6、かつ、m5≠m7、かつ、m5≠m8、かつ、m6≠m7、かつ、m6≠m8、かつ、m7≠m8}
かつ、
{m1≠m5、または、m2≠m6、または、m3≠m7、または、m4≠m8が成立する。}
が成立する。」
または、
「m1>0(m1は0より大きい実数)、かつ、m2>0(m2は0より大きい実数)、かつ、m3>0(m3は0より大きい実数)、かつ、m4>0(m4は0より大きい実数)、かつ、m5>0(m5は0より大きい実数)、かつ、m6>0(m6は0より大きい実数)、かつ、m7>0(m7は0より大きい実数)、かつ、m8>0(m8は0より大きい実数)であり、
{m1≠m2、かつ、m1≠m3、かつ、m1≠m4、かつ、m2≠m3、かつ、m2≠m4、かつ、m3≠m4}
かつ、
{m5≠m6、かつ、m5≠m7、かつ、m5≠m8、かつ、m6≠m7、かつ、m6≠m8、かつ、m7≠m8}
かつ、
{m1≠m5、または、m2≠m6、または、m3≠m7、または、m4≠m8が成立する。}
かつ、
{m1=m5、または、m2=m6、または、m3=m7、または、m4=m8が成立する。}
が成立する。」
ものとする。
(m4×w64c,m8×w64c)、(m4×w64c,m7×w64c)、(m4×w64c,m6×w64c)、(m4×w64c,m5×w64c)、(m4×w64c,-m5×w64c)、(m4×w64c,-m6×w64c)、(m4×w64c,-m7×w64c)、(m4×w64c,-m8×w64c)
(m3×w64c,m8×w64c)、(m3×w64c,m7×w64c)、(m3×w64c,m6×w64c)、(m3×w64c,m5×w64c)、(m3×w64c,-m5×w64c)、(m3×w64c,-m6×w64c)、(m3×w64c,-m7×w64c)、(m3×w64c,-m8×w64c)
(m2×w64c,m8×w64c)、(m2×w64c,m7×w64c)、(m2×w64c,m6×w64c)、(m2×w64c,m5×w64c)、(m2×w64c,-m5×w64c)、(m2×w64c,-m6×w64c)、(m2×w64c,-m7×w64c)、(m2×w64c,-m8×w64c)
(m1×w64c,m8×w64c)、(m1×w64c,m7×w64c)、(m1×w64c,m6×w64c)、(m1×w64c,m5×w64c)、(m1×w64c,-m5×w64c)、(m1×w64c,-m6×w64c)、(m1×w64c,-m7×w64c)、(m1×w64c,-m8×w64c)
(-m1×w64c,m8×w64c)、(-m1×w64c,m7×w64c)、(-m1×w64c,m6×w64c)、(-m1×w64c,m5×w64c)、(-m1×w64c,-m5×w64c)、(-m1×w64c,-m6×w64c)、(-m1×w64c,-m7×w64c)、(-m1×w64c,-m8×w64c)
(-m2×w64c,m8×w64c)、(-m2×w64c,m7×w64c)、(-m2×w64c,m6×w64c)、(-m2×w64c,m5×w64c)、(-m2×w64c,-m5×w64c)、(-m2×w64c,-m6×w64c)、(-m2×w64c,-m7×w64c)、(-m2×w64c,-m8×w64c)
(-m3×w64c,m8×w64c)、(-m3×w64c,m7×w64c)、(-m3×w64c,m6×w64c)、(-m3×w64c,m5×w64c)、(-m3×w64c,-m5×w64c)、(-m3×w64c,-m6×w64c)、(-m3×w64c,-m7×w64c)、(-m3×w64c,-m8×w64c)
(-m4×w64c,m8×w64c)、(-m4×w64c,m7×w64c)、(-m4×w64c,m6×w64c)、(-m4×w64c,m5×w64c)、(-m4×w64c,-m5×w64c)、(-m4×w64c,-m6×w64c)、(-m4×w64c,-m7×w64c)、(-m4×w64c,-m8×w64c)
となる(w64cは0より大きい実数となる)。
(m4×w64c,m8×w64c)、(m4×w64c,m7×w64c)、(m4×w64c,m6×w64c)、(m4×w64c,m5×w64c)、(m4×w64c,-m5×w64c)、(m4×w64c,-m6×w64c)、(m4×w64c,-m7×w64c)、(m4×w64c,-m8×w64c)
(m3×w64c,m8×w64c)、(m3×w64c,m7×w64c)、(m3×w64c,m6×w64c)、(m3×w64c,m5×w64c)、(m3×w64c,-m5×w64c)、(m3×w64c,-m6×w64c)、(m3×w64c,-m7×w64c)、(m3×w64c,-m8×w64c)
(m2×w64c,m8×w64c)、(m2×w64c,m7×w64c)、(m2×w64c,m6×w64c)、(m2×w64c,m5×w64c)、(m2×w64c,-m5×w64c)、(m2×w64c,-m6×w64c)、(m2×w64c,-m7×w64c)、(m2×w64c,-m8×w64c)
(m1×w64c,m8×w64c)、(m1×w64c,m7×w64c)、(m1×w64c,m6×w64c)、(m1×w64c,m5×w64c)、(m1×w64c,-m5×w64c)、(m1×w64c,-m6×w64c)、(m1×w64c,-m7×w64c)、(m1×w64c,-m8×w64c)
(-m1×w64c,m8×w64c)、(-m1×w64c,m7×w64c)、(-m1×w64c,m6×w64c)、(-m1×w64c,m5×w64c)、(-m1×w64c,-m5×w64c)、(-m1×w64c,-m6×w64c)、(-m1×w64c,-m7×w64c)、(-m1×w64c,-m8×w64c)
(-m2×w64c,m8×w64c)、(-m2×w64c,m7×w64c)、(-m2×w64c,m6×w64c)、(-m2×w64c,m5×w64c)、(-m2×w64c,-m5×w64c)、(-m2×w64c,-m6×w64c)、(-m2×w64c,-m7×w64c)、(-m2×w64c,-m8×w64c)
(-m3×w64c,m8×w64c)、(-m3×w64c,m7×w64c)、(-m3×w64c,m6×w64c)、(-m3×w64c,m5×w64c)、(-m3×w64c,-m5×w64c)、(-m3×w64c,-m6×w64c)、(-m3×w64c,-m7×w64c)、(-m3×w64c,-m8×w64c)
(-m4×w64c,m8×w64c)、(-m4×w64c,m7×w64c)、(-m4×w64c,m6×w64c)、(-m4×w64c,m5×w64c)、(-m4×w64c,-m5×w64c)、(-m4×w64c,-m6×w64c)、(-m4×w64c,-m7×w64c)、(-m4×w64c,-m8×w64c)
の直下にb0、b1、b2、b3、b4、b5のセット000000~111111の値が示されている。b0、b1、b2、b3、b4、b5のセット000000~111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、64QAM時のb0、b1、b2、b3、b4、b5のセット(000000~111111)と信号点の座標の関係は、図8に限ったものではない。
{{h1≠15、かつ、h2≠15、かつ、h3≠15、かつ、h4≠15、かつ、h5≠15、かつ、h6≠15、かつ、h7≠15}が成立する}、
かつ、
{{a1は1以上7以下の整数、かつ、a2は1以上7以下の整数、かつ、a3は1以上7以下の整数、かつ、a4は1以上7以下の整数、かつ、a5は1以上7以下の整数、かつ、a6は1以上7以下の整数、かつ、a7は1以上7以下の整数}が成立し、{xは1以上7以下の整数、かつ、yは1以上7以下の整数、かつ、x≠y}が成立したとき、{すべてのx、すべてのyで、ax≠ayが成立する}とき、(ha1、ha2、ha3、ha4、ha5、ha6、ha7)≠(1、3、5、7、9、11、13)が成立する。}
かつ、{{h1≠h2、かつ、h1≠h3、かつ、h1≠h4、かつ、h1≠h5、かつ、h1≠h6、かつ、h1≠h7、
かつ、h2≠h3、かつ、h2≠h4、かつ、h2≠h5、かつ、h2≠h6、かつ、h2≠h7、
かつ、h3≠h4、かつ、h3≠h5、かつ、h3≠h6、かつ、h3≠h7、
かつ、h4≠h5、かつ、h4≠h6、かつ、h4≠h7、
かつ、h5≠h6、かつ、h5≠h7、
かつ、h6≠h7}が成立する}
であるものとする。
(15×w256a,15×w256a)、(15×w256a,h7×w256a)、(15×w256a,h6×w256a)、(15×w256a,h5×w256a)、(15×w256a,h4×w256a)、(15×w256a,h3×w256a)、(15×w256a,h2×w256a)、(15×w256a,h1×w256a)、
(15×w256a,-15×w256a)、(15×w256a,-h7×w256a)、(15×w256a,-h6×w256a)、(15×w256a,-h5×w256a)、(15×w256a,-h4×w256a)、(15×w256a,-h3×w256a)、(15×w256a,-h2×w256a)、(15×w256a,-h1×w256a)、
(h7×w256a,15×w256a)、(h7×w256a,h7×w256a)、(h7×w256a,h6×w256a)、(h7×w256a,h5×w256a)、(h7×w256a,h4×w256a)、(h7×w256a,h3×w256a)、(h7×w256a,h2×w256a)、(h7×w256a,h1×w256a)、
(h7×w256a,-15×w256a)、(h7×w256a,-h7×w256a)、(h7×w256a,-h6×w256a)、(h7×w256a,-h5×w256a)、(h7×w256a,-h4×w256a)、(h7×w256a,-h3×w256a)、(h7×w256a,-h2×w256a)、(h7×w256a,-h1×w256a)、
(h6×w256a,15×w256a)、(h6×w256a,h7×w256a)、(h6×w256a,h6×w256a)、(h6×w256a,h5×w256a)、(h6×w256a,h4×w256a)、(h6×w256a,h3×w256a)、(h6×w256a,h2×w256a)、(h6×w256a,h1×w256a)、
(h6×w256a,-15×w256a)、(h6×w256a,-h7×w256a)、(h6×w256a,-h6×w256a)、(h6×w256a,-h5×w256a)、(h6×w256a,-h4×w256a)、(h6×w256a,-h3×w256a)、(h6×w256a,-h2×w256a)、(h6×w256a,-h1×w256a)、
(h5×w256a,15×w256a)、(h5×w256a,h7×w256a)、(h5×w256a,h6×w256a)、(h5×w256a,h5×w256a)、(h5×w256a,h4×w256a)、(h5×w256a,h3×w256a)、(h5×w256a,h2×w256a)、(h5×w256a,h1×w256a)、
(h5×w256a,-15×w256a)、(h5×w256a,-h7×w256a)、(h5×w256a,-h6×w256a)、(h5×w256a,-h5×w256a)、(h5×w256a,-h4×w256a)、(h5×w256a,-h3×w256a)、(h5×w256a,-h2×w256a)、(h5×w256a,-h1×w256a)、
(h4×w256a,15×w256a)、(h4×w256a,h7×w256a)、(h4×w256a,h6×w256a)、(h4×w256a,h5×w256a)、(h4×w256a,h4×w256a)、(h4×w256a,h3×w256a)、(h4×w256a,h2×w256a)、(h4×w256a,h1×w256a)、
(h4×w256a,-15×w256a)、(h4×w256a,-h7×w256a)、(h4×w256a,-h6×w256a)、(h4×w256a,-h5×w256a)、(h4×w256a,-h4×w256a)、(h4×w256a,-h3×w256a)、(h4×w256a,-h2×w256a)、(h4×w256a,-h1×w256a)、
(h3×w256a,15×w256a)、(h3×w256a,h7×w256a)、(h3×w256a,h6×w256a)、(h3×w256a,h5×w256a)、(h3×w256a,h4×w256a)、(h3×w256a,h3×w256a)、(h3×w256a,h2×w256a)、(h3×w256a,h1×w256a)、
(h3×w256a,-15×w256a)、(h3×w256a,-h7×w256a)、(h3×w256a,-h6×w256a)、(h3×w256a,-h5×w256a)、(h3×w256a,-h4×w256a)、(h3×w256a,-h3×w256a)、(h3×w256a,-h2×w256a)、(h3×w256a,-h1×w256a)、
(h2×w256a,15×w256a)、(h2×w256a,h7×w256a)、(h2×w256a,h6×w256a)、(h2×w256a,h5×w256a)、(h2×w256a,h4×w256a)、(h2×w256a,h3×w256a)、(h2×w256a,h2×w256a)、(h2×w256a,h1×w256a)、
(h2×w256a,-15×w256a)、(h2×w256a,-h7×w256a)、(h2×w256a,-h6×w256a)、(h2×w256a,-h5×w256a)、(h2×w256a,-h4×w256)、(h2×w256a,-h3×w256a)、(h2×w256a,-h2×w256a)、(h2×w256a,-h1×w256a)、
(h1×w256a,15×w256a)、(h1×w256a,h7×w256a)、(h1×w256a,h6×w256a)、(h1×w256a,h5×w256a)、(h1×w256a,h4×w256a)、(h1×w256a,h3×w256a)、(h1×w256a,h2×w256a)、(h1×w256a,h1×w256a)、
(h1×w256a,-15×w256a)、(h1×w256a,-h7×w256a)、(h1×w256a,-h6×w256a)、(h1×w256a,-h5×w256a)、(h1×w256a,-h4×w256a)、(h1×w256a,-h3×w256a)、(h1×w256a,-h2×w256a)、(h1×w256a,-h1×w256a)、
(-15×w256a,15×w256a)、(-15×w256a,h7×w256a)、(-15×w256a,h6×w256a)、(-15×w256a,h5×w256a)、(-15×w256a,h4×w256a)、(-15×w256a,h3×w256a)、(-15×w256a,h2×w256a)、(-15×w256a,h1×w256a)、
(-15×w256a,-15×w256a)、(-15×w256a,-h7×w256a)、(-15×w256a,-h6×w256a)、(-15×w256a,-h5×w256a)、(-15×w256a,-h4×w256a)、(-15×w256a,―h3×w256a)、(-15×w256a,-h2×w256a)、(-15×w256a,-h1×w256a)、
(-h7×w256a,15×w256a)、(-h7×w256a,h7×w256a)、(-h7×w256a,h6×w256a)、(-h7×w256a,h5×w256a)、(-h7×w256a,h4×w256a)、(-h7×w256a,h3×w256a)、(-h7×w256a,h2×w256a)、(-h7×w256a,h1×w256a)、
(-h7×w256a,-15×w256a)、(-h7×w256a,-h7×w256a)、(-h7×w256a,-h6×w256a)、(-h7×w256a,-h5×w256a)、(-h7×w256a,-h4×w256a)、(-h7×w256a,-h3×w256a)、(-h7×w256a,-h2×w256a)、(-h7×w256a,-h1×w256a)、
(-h6×w256a,15×w256a)、(-h6×w256a,h7×w256a)、(-h6×w256a,h6×w256a)、(-h6×w256a,h5×w256a)、(-h6×w256a,h4×w256a)、(-h6×w256a,h3×w256a)、(-h6×w256a,h2×w256a)、(-h6×w256a,h1×w256a)、
(-h6×w256a,-15×w256a)、(-h6×w256a,-h7×w256a)、(-h6×w256a,-h6×w256a)、(-h6×w256a,-h5×w256a)、(-h6×w256a,―h4×w256a)、(-h6×w256a,-h3×w256a)、(-h6×w256a,-h2×w256a)、(-h6×w256a,-h1×w256a)、
(-h5×w256a,15×w256a)、(-h5×w256a,h7×w256a)、(-h5×w256a,h6×w256a)、(-h5×w256a,h5×w256a)、(-h5×w256a,h4×w256a)、(-h5×w256a,h3×w256a)、(-h5×w256a,h2×w256a)、(-h5×w256a,h1×w256a)、
(-h5×w256a,-15×w256a)、(-h5×w256a,-h7×w256a)、(-h5×w256a,-h6×w256a)、(-h5×w256a,-h5×w256a)、(-h5×w256a,-h4×w256a)、(-h5×w256a,-h3×w256a)、(-h5×w256a,-h2×w256a)、(-h5×w256a,-h1×w256a)、
(-h4×w256a,15×w256a)、(-h4×w256a,h7×w256a)、(-h4×w256a,h6×w256a)、(-h4×w256a,h5×w256a)、(-h4×w256a,h4×w256a)、(-h4×w256a,h3×w256a)、(-h4×w256a,h2×w256a)、(-h4×w256a,h1×w256a)、
(-h4×w256a,-15×w256a)、(-h4×w256a,-h7×w256a)、(-h4×w256a,-h6×w256a)、(-h4×w256a,-h5×w256a)、(-h4×w256a,-h4×w256a)、(-h4×w256a,-h3×w256a)、(-h4×w256a,-h2×w256a)、(-h4×w256a,-h1×w256a)、
(-h3×w256a,15×w256a)、(-h3×w256a,h7×w256a)、(-h3×w256a,h6×w256a)、(-h3×w256a,h5×w256a)、(-h3×w256a,h4×w256a)、(-h3×w256a,h3×w256a)、(-h3×w256a,h2×w256a)、(-h3×w256a,h1×w256a)、
(-h3×w256a,-15×w256a)、(-h3×w256a,-h7×w256a)、(-h3×w256a,-h6×w256a)、(-h3×w256a,-h5×w256a)、(-h3×w256a,-h4×w256a)、(-h3×w256a,-h3×w256a)、(-h3×w256a,-h2×w256a)、(-h3×w256a,-h1×w256a)、
(-h2×w256a,15×w256a)、(-h2×w256a,h7×w256a)、(-h2×w256a,h6×w256a)、(-h2×w256a,h5×w256a)、(-h2×w256a,h4×w256a)、(-h2×w256a,h3×w256a)、(-h2×w256a,h2×w256a)、(-h2×w256a,h1×w256a)、
(-h2×w256a,-15×w256a)、(-h2×w256a,-h7×w256a)、(-h2×w256a,-h6×w256a)、(-h2×w256a,-h5×w256a)、(-h2×w256a,-h4×w256a)、(-h2×w256a,-h3×w256a)、(-h2×w256a,-h2×w256a)、(-h2×w256a,-h1×w256a)、
(-h1×w256a,15×w256a)、(-h1×w256a,h7×w256a)、(-h1×w256a,h6×w256a)、(-h1×w256a,h5×w256a)、(-h1×w256a,h4×w256a)、(-h1×w256a,h3×w256a)、(-h1×w256a,h2×w256a)、(-h1×w256a,h1×w256a)、
(-h1×w256a,-15×w256a)、(-h1×w256a,-h7×w256a)、(-h1×w256a,-h6×w256a)、(-h1×w256a,-h5×w256a)、(-h1×w256a,-h4×w256a)、(-h1×w256a,-h3×w256a)、(-h1×w256a,-h2×w256a)、(-h1×w256a,-h1×w256a)、
となる(w256aは0より大きい実数となる)。
(15×w256a,15×w256a)、(15×w256a,h7×w256a)、(15×w256a,h6×w256a)、(15×w256a,h5×w256a)、(15×w256a,h4×w256a)、(15×w256a,h3×w256a)、(15×w256a,h2×w256a)、(15×w256a,h1×w256a)、
(15×w256a,-15×w256a)、(15×w256a,-h7×w256a)、(15×w256a,-h6×w256a)、(15×w256a,-h5×w256a)、(15×w256a,-h4×w256a)、(15×w256a,-h3×w256a)、(15×w256a,-h2×w256a)、(15×w256a,-h1×w256a)、
(h7×w256a,15×w256a)、(h7×w256a,h7×w256a)、(h7×w256a,h6×w256a)、(h7×w256a,h5×w256a)、(h7×w256a,h4×w256a)、(h7×w256a,h3×w256a)、(h7×w256a,h2×w256a)、(h7×w256a,h1×w256a)、
(h7×w256a,-15×w256a)、(h7×w256a,-h7×w256a)、(h7×w256a,-h6×w256a)、(h7×w256a,-h5×w256a)、(h7×w256a,-h4×w256a)、(h7×w256a,-h3×w256a)、(h7×w256a,-h2×w256a)、(h7×w256a,-h1×w256a)、
(h6×w256a,15×w256a)、(h6×w256a,h7×w256a)、(h6×w256a,h6×w256a)、(h6×w256a,h5×w256a)、(h6×w256a,h4×w256a)、(h6×w256a,h3×w256a)、(h6×w256a,h2×w256a)、(h6×w256a,h1×w256a)、
(h6×w256a,-15×w256a)、(h6×w256a,-h7×w256a)、(h6×w256a,-h6×w256a)、(h6×w256a,-h5×w256a)、(h6×w256a,-h4×w256a)、(h6×w256a,-h3×w256a)、(h6×w256a,-h2×w256a)、(h6×w256a,-h1×w256a)、
(h5×w256a,15×w256a)、(h5×w256a,h7×w256a)、(h5×w256a,h6×w256a)、(h5×w256a,h5×w256a)、(h5×w256a,h4×w256a)、(h5×w256a,h3×w256a)、(h5×w256a,h2×w256a)、(h5×w256a,h1×w256a)、
(h5×w256a,-15×w256a)、(h5×w256a,-h7×w256a)、(h5×w256a,-h6×w256a)、(h5×w256a,-h5×w256a)、(h5×w256a,-h4×w256a)、(h5×w256a,-h3×w256a)、(h5×w256a,-h2×w256a)、(h5×w256a,-h1×w256a)、
(h4×w256a,15×w256a)、(h4×w256a,h7×w256a)、(h4×w256a,h6×w256a)、(h4×w256a,h5×w256a)、(h4×w256a,h4×w256a)、(h4×w256a,h3×w256a)、(h4×w256a,h2×w256a)、(h4×w256a,h1×w256a)、
(h4×w256a,-15×w256a)、(h4×w256a,-h7×w256a)、(h4×w256a,-h6×w256a)、(h4×w256a,-h5×w256a)、(h4×w256a,-h4×w256a)、(h4×w256a,-h3×w256a)、(h4×w256a,-h2×w256a)、(h4×w256a,-h1×w256a)、
(h3×w256a,15×w256a)、(h3×w256a,h7×w256a)、(h3×w256a,h6×w256a)、(h3×w256a,h5×w256a)、(h3×w256a,h4×w256a)、(h3×w256a,h3×w256a)、(h3×w256a,h2×w256a)、(h3×w256a,h1×w256a)、
(h3×w256a,-15×w256a)、(h3×w256a,-h7×w256a)、(h3×w256a,-h6×w256a)、(h3×w256a,-h5×w256a)、(h3×w256a,-h4×w256a)、(h3×w256a,-h3×w256a)、(h3×w256a,-h2×w256a)、(h3×w256a,-h1×w256a)、
(h2×w256a,15×w256a)、(h2×w256a,h7×w256a)、(h2×w256a,h6×w256a)、(h2×w256a,h5×w256a)、(h2×w256a,h4×w256a)、(h2×w256a,h3×w256a)、(h2×w256a,h2×w256a)、(h2×w256a,h1×w256a)、
(h2×w256a,-15×w256a)、(h2×w256a,-h7×w256a)、(h2×w256a,-h6×w256a)、(h2×w256a,-h5×w256a)、(h2×w256a,-h4×w256)、(h2×w256a,-h3×w256a)、(h2×w256a,-h2×w256a)、(h2×w256a,-h1×w256a)、
(h1×w256a,15×w256a)、(h1×w256a,h7×w256a)、(h1×w256a,h6×w256a)、(h1×w256a,h5×w256a)、(h1×w256a,h4×w256a)、(h1×w256a,h3×w256a)、(h1×w256a,h2×w256a)、(h1×w256a,h1×w256a)、
(h1×w256a,-15×w256a)、(h1×w256a,-h7×w256a)、(h1×w256a,-h6×w256a)、(h1×w256a,-h5×w256a)、(h1×w256a,-h4×w256a)、(h1×w256a,-h3×w256a)、(h1×w256a,-h2×w256a)、(h1×w256a,-h1×w256a)、
(-15×w256a,15×w256a)、(-15×w256a,h7×w256a)、(-15×w256a,h6×w256a)、(-15×w256a,h5×w256a)、(-15×w256a,h4×w256a)、(-15×w256a,h3×w256a)、(-15×w256a,h2×w256a)、(-15×w256a,h1×w256a)、
(-15×w256a,-15×w256a)、(-15×w256a,-h7×w256a)、(-15×w256a,-h6×w256a)、(-15×w256a,-h5×w256a)、(-15×w256a,-h4×w256a)、(-15×w256a,-h3×w256a)、(-15×w256a,-h2×w256a)、(-15×w256a,-h1×w256a)、
(-h7×w256a,15×w256a)、(-h7×w256a,h7×w256a)、(-h7×w256a,h6×w256a)、(-h7×w256a,h5×w256a)、(-h7×w256a,h4×w256a)、(-h7×w256a,h3×w256a)、(-h7×w256a,h2×w256a)、(-h7×w256a,h1×w256a)、
(-h7×w256a,-15×w256a)、(-h7×w256a,-h7×w256a)、(-h7×w256a,-h6×w256a)、(-h7×w256a,-h5×w256a)、(-h7×w256a,-h4×w256a)、(-h7×w256a,-h3×w256a)、(-h7×w256a,-h2×w256a)、(-h7×w256a,-h1×w256a)、
(-h6×w256a,15×w256a)、(-h6×w256a,h7×w256a)、(-h6×w256a,h6×w256a)、(-h6×w256a,h5×w256a)、(-h6×w256a,h4×w256a)、(-h6×w256a,h3×w256a)、(-h6×w256a,h2×w256a)、(-h6×w256a,h1×w256a)、
(-h6×w256a,-15×w256a)、(-h6×w256a,-h7×w256a)、(-h6×w256a,-h6×w256a)、(-h6×w256a,-h5×w256a)、(-h6×w256a,-h4×w256a)、(-h6×w256a,-h3×w256a)、(-h6×w256a,-h2×w256a)、(-h6×w256a,-h1×w256a)、
(-h5×w256a,15×w256a)、(-h5×w256a,h7×w256a)、(-h5×w256a,h6×w256a)、(-h5×w256a,h5×w256a)、(-h5×w256a,h4×w256a)、(-h5×w256a,h3×w256a)、(-h5×w256a,h2×w256a)、(-h5×w256a,h1×w256a)、
(-h5×w256a,-15×w256a)、(-h5×w256a,-h7×w256a)、(-h5×w256a,-h6×w256a)、(-h5×w256a,-h5×w256a)、(-h5×w256a,―h4×w256a)、(-h5×w256a,-h3×w256a)、(-h5×w256a,-h2×w256a)、(-h5×w256a,-h1×w256a)、
(-h4×w256a,15×w256a)、(-h4×w256a,h7×w256a)、(-h4×w256a,h6×w256a)、(-h4×w256a,h5×w256a)、(-h4×w256a,h4×w256a)、(-h4×w256a,h3×w256a)、(-h4×w256a,h2×w256a)、(-h4×w256a,h1×w256a)、
(-h4×w256a,-15×w256a)、(-h4×w256a,-h7×w256a)、(-h4×w256a,―h6×w256a)、(-h4×w256a,-h5×w256a)、(-h4×w256a,-h4×w256a)、(-h4×w256a,-h3×w256a)、(-h4×w256a,-h2×w256a)、(-h4×w256a,-h1×w256a)、
(-h3×w256a,15×w256a)、(-h3×w256a,h7×w256a)、(-h3×w256a,h6×w256a)、(-h3×w256a,h5×w256a)、(-h3×w256a,h4×w256a)、(-h3×w256a,h3×w256a)、(-h3×w256a,h2×w256a)、(-h3×w256a,h1×w256a)、
(-h3×w256a,―15×w256a)、(-h3×w256a,-h7×w256a)、(-h3×w256a,-h6×w256a)、(-h3×w256a,-h5×w256a)、(-h3×w256a,-h4×w256a)、(-h3×w256a,-h3×w256a)、(-h3×w256a,-h2×w256a)、(-h3×w256a,-h1×w256a)、
(-h2×w256a,15×w256a)、(-h2×w256a,h7×w256a)、(-h2×w256a,h6×w256a)、(-h2×w256a,h5×w256a)、(-h2×w256a,h4×w256a)、(-h2×w256a,h3×w256a)、(-h2×w256a,h2×w256a)、(-h2×w256a,h1×w256a)、
(-h2×w256a,-15×w256a)、(-h2×w256a,-h7×w256a)、(-h2×w256a,-h6×w256a)、(-h2×w256a,-h5×w256a)、(-h2×w256a,-h4×w256a)、(-h2×w256a,-h3×w256a)、(-h2×w256a,-h2×w256a)、(-h2×w256a,-h1×w256a)、
(-h1×w256a,15×w256a)、(-h1×w256a,h7×w256a)、(-h1×w256a,h6×w256a)、(-h1×w256a,h5×w256a)、(-h1×w256a,h4×w256a)、(-h1×w256a,h3×w256a)、(-h1×w256a,h2×w256a)、(-h1×w256a,h1×w256a)、
(-h1×w256a,-15×w256a)、(-h1×w256a,-h7×w256a)、(-h1×w256a,-h6×w256a)、(-h1×w256a,-h5×w256a)、(-h1×w256a,-h4×w256a)、(-h1×w256a,-h3×w256a)、(-h1×w256a,-h2×w256a)、(-h1×w256a,-h1×w256a)、
の直下にb0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の値が示されている。b0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、256QAM時のb0、b1、b2、b3、b4、b5、b6、b7のセット(00000000~11111111)と信号点の座標の関係は、図9に限ったものではない。
{h1≠15、かつ、h2≠15、かつ、h3≠15、かつ、h4≠15、かつ、h5≠15、かつ、h6≠15、かつ、h7≠15、
かつ、h1≠h2、かつ、h1≠h3、かつ、h1≠h4、かつ、h1≠h5、かつ、h1≠h6、かつ、h1≠h7、
かつ、h2≠h3、かつ、h2≠h4、かつ、h2≠h5、かつ、h2≠h6、かつ、h2≠h7、
かつ、h3≠h4、かつ、h3≠h5、かつ、h3≠h6、かつ、h3≠h7、
かつ、h4≠h5、かつ、h4≠h6、かつ、h4≠h7、
かつ、h5≠h6、かつ、h5≠h7、
かつ、h6≠h7}
かつ、
{h8≠15、かつ、h9≠15、かつ、h10≠15、かつ、h11≠15、かつ、h12≠15、かつ、h13≠15、かつ、h14≠15、
かつ、h8≠h9、かつ、h8≠h10、かつ、h8≠h11、かつ、h8≠h12、かつ、h8≠h13、かつ、h8≠h14、
かつ、h9≠h10、かつ、h9≠h11、かつ、h9≠h12、かつ、h9≠h13、かつ、h9≠h14、
かつ、h10≠h11、かつ、h10≠h12、かつ、h10≠h13、かつ、h10≠h14、
かつ、h11≠h12、かつ、h11≠h13、かつ、h11≠h14、
かつ、h12≠h13、かつ、h12≠h14、
かつ、h13≠h14}
かつ、
{h1≠h8、または、h2≠h9、または、h3≠h10、または、h4≠h11、または、h5≠h12、または、h6≠h13、または、h7≠h14が成立する。}
が成立する。
(15×w256b,15×w256b)、(15×w256b,h14×w256b)、(15×w256b,h13×w256b)、(15×w256b,h12×w256b)、(15×w256b,h11×w256b)、(15×w256b,h10×w256b)、(15×w256b,h9×w256b)、(15×w256b,h8×w256b)、
(15×w256b,-15×w256b)、(15×w256b,-h14×w256b)、(15×w256b,-h13×w256b)、(15×w256b,-h12×w256b)、(15×w256b,-h11×w256b)、(15×w256b,-h10×w256b)、(15×w256b,-h9×w256b)、(15×w256b,-h8×w256b)、
(h7×w256b,15×w256b)、(h7×w256b,h14×w256b)、(h7×w256b,h13×w256b)、(h7×w256b,h12×w256b)、(h7×w256b,h11×w256b)、(h7×w256b,h10×w256b)、(h7×w256b,h9×w256b)、(h7×w256b,h8×w256b)、
(h7×w256b,-15×w256b)、(h7×w256b,-h14×w256b)、(h7×w256b,-h13×w256b)、(h7×w256b,-h12×w256b)、(h7×w256b,-h11×w256b)、(h7×w256b,-h10×w256b)、(h7×w256b,-h9×w256b)、(h7×w256b,-h8×w256b)、
(h6×w256b,15×w256b)、(h6×w256b,h14×w256b)、(h6×w256b,h13×w256b)、(h6×w256b,h12×w256b)、(h6×w256b,h11×w256b)、(h6×w256b,h10×w256b)、(h6×w256b,h9×w256b)、(h6×w256b,h8×w256b)、
(h6×w256b,-15×w256b)、(h6×w256b,-h14×w256b)、(h6×w256b,-h13×w256b)、(h6×w256b,-h12×w256b)、(h6×w256b,-h11×w256b)、(h6×w256b,-h10×w256b)、(h6×w256b,-h9×w256b)、(h6×w256b,-h8×w256b)、
(h5×w256b,15×w256b)、(h5×w256b,h14×w256b)、(h5×w256b,h13×w256b)、(h5×w256b,h12×w256b)、(h5×w256b,h11×w256b)、(h5×w256b,h10×w256b)、(h5×w256b,h9×w256b)、(h5×w256b,h8×w256b)、
(h5×w256b,-15×w256b)、(h5×w256b,-h14×w256b)、(h5×w256b,-h13×w256b)、(h5×w256b,-h12×w256b)、(h5×w256b,-h11×w256b)、(h5×w256b,-h10×w256b)、(h5×w256b,-h9×w256b)、(h5×w256b,-h8×w256b)、
(h4×w256b,15×w256b)、(h4×w256b,h14×w256b)、(h4×w256b,h13×w256b)、(h4×w256b,h12×w256b)、(h4×w256b,h11×w256b)、(h4×w256b,h10×w256b)、(h4×w256b,h9×w256b)、(h4×w256b,h8×w256b)、
(h4×w256b,-15×w256b)、(h4×w256b,-h14×w256b)、(h4×w256b,-h13×w256b)、(h4×w256b,-h12×w256b)、(h4×w256b,-h11×w256b)、(h4×w256b,-h10×w256b)、(h4×w256b,-h9×w256b)、(h4×w256b,-h8×w256b)、
(h3×w256b,15×w256b)、(h3×w256b,h14×w256b)、(h3×w256b,h13×w256b)、(h3×w256b,h12×w256b)、(h3×w256b,h11×w256b)、(h3×w256b,h10×w256b)、(h3×w256b,h9×w256b)、(h3×w256b,h8×w256b)、
(h3×w256b,-15×w256b)、(h3×w256b,-h14×w256b)、(h3×w256b,-h13×w256b)、(h3×w256b,-h12×w256b)、(h3×w256b,-h11×w256b)、(h3×w256b,-h10×w256b)、(h3×w256b,-h9×w256b)、(h3×w256b,-h8×w256b)、
(h2×w256b,15×w256b)、(h2×w256b,h14×w256b)、(h2×w256b,h13×w256b)、(h2×w256b,h12×w256b)、(h2×w256b,h11×w256b)、(h2×w256b,h10×w256b)、(h2×w256b,h9×w256b)、(h2×w256b,h8×w256b)、
(h2×w256b,-15×w256b)、(h2×w256b,-h14×w256b)、(h2×w256b,-h13×w256b)、(h2×w256b,-h12×w256b)、(h2×w256b,-h11×w256b)、(h2×w256b,-h10×w256b)、(h2×w256b,-h9×w256b)、(h2×w256b,-h8×w256b)、
(h1×w256b,15×w256b)、(h1×w256b,h14×w256b)、(h1×w256b,h13×w256b)、(h1×w256b,h12×w256b)、(h1×w256b,h11×w256b)、(h1×w256b,h10×w256b)、(h1×w256b,h9×w256b)、(h1×w256b,h8×w256b)、
(h1×w256b,-15×w256b)、(h1×w256b,-h14×w256b)、(h1×w256b,-h13×w256b)、(h1×w256b,-h12×w256b)、(h1×w256b,-h11×w256b)、(h1×w256b,-h10×w256b)、(h1×w256b,-h9×w256b)、(h1×w256b,-h8×w256b)、
(-15×w256b,15×w256b)、(-15×w256b,h14×w256b)、(-15×w256b,h13×w256b)、(-15×w256b,h12×w256b)、(-15×w256b,h11×w256b)、(-15×w256b,h10×w256b)、(-15×w256b,h9×w256b)、(-15×w256b,h8×w256b)、
(-15×w256b,-15×w256b)、(-15×w256b,-h14×w256b)、(-15×w256b,-h13×w256b)、(-15×w256b,-h12×w256b)、(-15×w256b,-h11×w256b)、(-15×w256b,-h10×w256b)、(-15×w256b,-h9×w256b)、(-15×w256b,-h8×w256b)、
(-h7×w256b,15×w256b)、(-h7×w256b,h14×w256b)、(-h7×w256b,h13×w256b)、(-h7×w256b,h12×w256b)、(-h7×w256b,h11×w256b)、(-h7×w256b,h10×w256b)、(-h7×w256b,h9×w256b)、(-h7×w256b,h8×w256b)、
(-h7×w256b,-15×w256b)、(-h7×w256b,-h14×w256b)、(-h7×w256b,-h13×w256b)、(-h7×w256b,-h12×w256b)、(-h7×w256b,-h11×w256b)、(-h7×w256b,-h10×w256b)、(-h7×w256b,-h9×w256b)、(-h7×w256b,-h8×w256b)、
(-h6×w256b,15×w256b)、(-h6×w256b,h14×w256b)、(-h6×w256b,h13×w256b)、(-h6×w256b,h12×w256b)、(-h6×w256b,h11×w256b)、(-h6×w256b,h10×w256b)、(-h6×w256b,h9×w256b)、(-h6×w256b,h8×w256b)、
(-h6×w256b,-15×w256b)、(-h6×w256b,-h14×w256b)、(-h6×w256b,-h13×w256b)、(-h6×w256b,-h12×w256b)、(-h6×w256b,-h11×w256b)、(-h6×w256b,-h10×w256b)、(-h6×w256b,-h9×w256b)、(-h6×w256b,-h8×w256b)、
(-h5×w256b,15×w256b)、(-h5×w256b,h14×w256b)、(-h5×w256b,h13×w256b)、(-h5×w256b,h12×w256b)、(-h5×w256b,h11×w256b)、(-h5×w256b,h10×w256b)、(-h5×w256b,h9×w256b)、(-h5×w256b,h8×w256b)、
(-h5×w256b,-15×w256b)、(-h5×w256b,-h14×w256b)、(-h5×w256b,-h13×w256b)、(-h5×w256b,-h12×w256b)、(-h5×w256b,-h11×w256b)、(-h5×w256b,-h10×w256b)、(-h5×w256b,-h9×w256b)、(-h5×w256b,-h8×w256b)、
(-h4×w256b,15×w256b)、(-h4×w256b,h14×w256b)、(-h4×w256b,h13×w256b)、(-h4×w256b,h12×w256b)、(-h4×w256b,h11×w256b)、(-h4×w256b,h10×w256b)、(-h4×w256b,h9×w256b)、(-h4×w256b,h8×w256b)、
(-h4×w256b,-15×w256b)、(-h4×w256b,-h14×w256b)、(-h4×w256b,-h13×w256b)、(-h4×w256b,-h12×w256b)、(-h4×w256b,-h11×w256b)、(-h4×w256b,-h10×w256b)、(-h4×w256b,-h9×w256b)、(-h4×w256b,-h8×w256b)、
(-h3×w256b,15×w256b)、(-h3×w256b,h14×w256b)、(-h3×w256b,h13×w256b)、(-h3×w256b,h12×w256b)、(-h3×w256b,h11×w256b)、(-h3×w256b,h10×w256b)、(-h3×w256b,h9×w256b)、(-h3×w256b,h8×w256b)、
(-h3×w256b,-15×w256b)、(-h3×w256b,-h14×w256b)、(-h3×w256b,-h13×w256b)、(-h3×w256b,-h12×w256b)、(-h3×w256b,-h11×w256b)、(-h3×w256b,-h10×w256b)、(-h3×w256b,-h9×w256b)、(-h3×w256b,-h8×w256b)、
(-h2×w256b,15×w256b)、(-h2×w256b,h14×w256b)、(-h2×w256b,h13×w256b)、(-h2×w256b,h12×w256b)、(-h2×w256b,h11×w256b)、(-h2×w256b,h10×w256b)、(-h2×w256b,h9×w256b)、(-h2×w256b,h8×w256b)、
(-h2×w256b,-15×w256b)、(-h2×w256b,-h14×w256b)、(-h2×w256b,-h13×w256b)、(-h2×w256b,-h12×w256b)、(-h2×w256b,-h11×w256b)、(-h2×w256b,-h10×w256b)、(-h2×w256b,―h9×w256b)、(-h2×w256b,-h8×w256b)、
(-h1×w256b,15×w256b)、(-h1×w256b,h14×w256b)、(-h1×w256b,h13×w256b)、(-h1×w256b,h12×w256b)、(-h1×w256b,h11×w256b)、(-h1×w256b,h10×w256b)、(-h1×w256b,h9×w256b)、(-h1×w256b,h8×w256b)、
(-h1×w256b,-15×w256b)、(-h1×w256b,-h14×w256b)、(-h1×w256b,-h13×w256b)、(-h1×w256b,-h12×w256b)、(-h1×w256b,―h11×w256b)、(-h1×w256b,-h10×w256b)、(-h1×w256b,-h9×w256b)、(-h1×w256b,-h8×w256b)、
となる(w256bは0より大きい実数となる)。
(15×w256b,15×w256b)、(15×w256b,h14×w256b)、(15×w256b,h13×w256b)、(15×w256b,h12×w256b)、(15×w256b,h11×w256b)、(15×w256b,h10×w256b)、(15×w256b,h9×w256b)、(15×w256b,h8×w256b)、
(15×w256b,-15×w256b)、(15×w256b,-h14×w256b)、(15×w256b,-h13×w256b)、(15×w256b,-h12×w256b)、(15×w256b,-h11×w256b)、(15×w256b,-h10×w256b)、(15×w256b,-h9×w256b)、(15×w256b,-h8×w256b)、
(h7×w256b,15×w256b)、(h7×w256b,h14×w256b)、(h7×w256b,h13×w256b)、(h7×w256b,h12×w256b)、(h7×w256b,h11×w256b)、(h7×w256b,h10×w256b)、(h7×w256b,h9×w256b)、(h7×w256b,h8×w256b)、
(h7×w256b,-15×w256b)、(h7×w256b,-h14×w256b)、(h7×w256b,-h13×w256b)、(h7×w256b,-h12×w256b)、(h7×w256b,-h11×w256b)、(h7×w256b,-h10×w256b)、(h7×w256b,-h9×w256b)、(h7×w256b,-h8×w256b)、
(h6×w256b,15×w256b)、(h6×w256b,h14×w256b)、(h6×w256b,h13×w256b)、(h6×w256b,h12×w256b)、(h6×w256b,h11×w256b)、(h6×w256b,h10×w256b)、(h6×w256b,h9×w256b)、(h6×w256b,h8×w256b)、
(h6×w256b,-15×w256b)、(h6×w256b,-h14×w256b)、(h6×w256b,-h13×w256b)、(h6×w256b,-h12×w256b)、(h6×w256b,-h11×w256b)、(h6×w256b,-h10×w256b)、(h6×w256b,-h9×w256b)、(h6×w256b,-h8×w256b)、
(h5×w256b,15×w256b)、(h5×w256b,h14×w256b)、(h5×w256b,h13×w256b)、(h5×w256b,h12×w256b)、(h5×w256b,h11×w256b)、(h5×w256b,h10×w256b)、(h5×w256b,h9×w256b)、(h5×w256b,h8×w256b)、
(h5×w256b,-15×w256b)、(h5×w256b,-h14×w256b)、(h5×w256b,-h13×w256b)、(h5×w256b,-h12×w256b)、(h5×w256b,-h11×w256b)、(h5×w256b,-h10×w256b)、(h5×w256b,-h9×w256b)、(h5×w256b,-h8×w256b)、
(h4×w256b,15×w256b)、(h4×w256b,h14×w256b)、(h4×w256b,h13×w256b)、(h4×w256b,h12×w256b)、(h4×w256b,h11×w256b)、(h4×w256b,h10×w256b)、(h4×w256b,h9×w256b)、(h4×w256b,h8×w256b)、
(h4×w256b,-15×w256b)、(h4×w256b,-h14×w256b)、(h4×w256b,-h13×w256b)、(h4×w256b,-h12×w256b)、(h4×w256b,-h11×w256b)、(h4×w256b,-h10×w256b)、(h4×w256b,-h9×w256b)、(h4×w256b,-h8×w256b)、
(h3×w256b,15×w256b)、(h3×w256b,h14×w256b)、(h3×w256b,h13×w256b)、(h3×w256b,h12×w256b)、(h3×w256b,h11×w256b)、(h3×w256b,h10×w256b)、(h3×w256b,h9×w256b)、(h3×w256b,h8×w256b)、
(h3×w256b,-15×w256b)、(h3×w256b,-h14×w256b)、(h3×w256b,-h13×w256b)、(h3×w256b,-h12×w256b)、(h3×w256b,-h11×w256b)、(h3×w256b,-h10×w256b)、(h3×w256b,-h9×w256b)、(h3×w256b,-h8×w256b)、
(h2×w256b,15×w256b)、(h2×w256b,h14×w256b)、(h2×w256b,h13×w256b)、(h2×w256b,h12×w256b)、(h2×w256b,h11×w256b)、(h2×w256b,h10×w256b)、(h2×w256b,h9×w256b)、(h2×w256b,h8×w256b)、
(h2×w256b,-15×w256b)、(h2×w256b,-h14×w256b)、(h2×w256b,-h13×w256b)、(h2×w256b,-h12×w256b)、(h2×w256b,-h11×w256b)、(h2×w256b,-h10×w256b)、(h2×w256b,-h9×w256b)、(h2×w256b,-h8×w256b)、
(h1×w256b,15×w256b)、(h1×w256b,h14×w256b)、(h1×w256b,h13×w256b)、(h1×w256b,h12×w256b)、(h1×w256b,h11×w256b)、(h1×w256b,h10×w256b)、(h1×w256b,h9×w256b)、(h1×w256b,h8×w256b)、
(h1×w256b,-15×w256b)、(h1×w256b,-h14×w256b)、(h1×w256b,-h13×w256b)、(h1×w256b,-h12×w256b)、(h1×w256b,-h11×w256b)、(h1×w256b,-h10×w256b)、(h1×w256b,-h9×w256b)、(h1×w256b,-h8×w256b)、
(-15×w256b,15×w256b)、(-15×w256b,h14×w256b)、(-15×w256b,h13×w256b)、(-15×w256b,h12×w256b)、(-15×w256b,h11×w256b)、(-15×w256b,h10×w256b)、(-15×w256b,h9×w256b)、(-15×w256b,h8×w256b)、
(-15×w256b,-15×w256b)、(-15×w256b,―h14×w256b)、(-15×w256b,-h13×w256b)、(-15×w256b,-h12×w256b)、(-15×w256b,-h11×w256b)、(-15×w256b,-h10×w256b)、(-15×w256b,-h9×w256b)、(-15×w256b,-h8×w256b)、
(-h7×w256b,15×w256b)、(-h7×w256b,h14×w256b)、(-h7×w256b,h13×w256b)、(-h7×w256b,h12×w256b)、(-h7×w256b,h11×w256b)、(-h7×w256b,h10×w256b)、(-h7×w256b,h9×w256b)、(-h7×w256b,h8×w256b)、
(-h7×w256b,-15×w256b)、(-h7×w256b,-h14×w256b)、(-h7×w256b,-h13×w256b)、(-h7×w256b,-h12×w256b)、(-h7×w256b,-h11×w256b)、(-h7×w256b,-h10×w256b)、(-h7×w256b,-h9×w256b)、(-h7×w256b,-h8×w256b)、
(-h6×w256b,15×w256b)、(-h6×w256b,h14×w256b)、(-h6×w256b,h13×w256b)、(-h6×w256b,h12×w256b)、(-h6×w256b,h11×w256b)、(-h6×w256b,h10×w256b)、(-h6×w256b,h9×w256b)、(-h6×w256b,h8×w256b)、
(-h6×w256b,-15×w256b)、(-h6×w256b,-h14×w256b)、(-h6×w256b,-h13×w256b)、(-h6×w256b,-h12×w256b)、(-h6×w256b,-h11×w256b)、(-h6×w256b,-h10×w256b)、(-h6×w256b,―h9×w256b)、(-h6×w256b,-h8×w256b)、
(-h5×w256b,15×w256b)、(-h5×w256b,h14×w256b)、(-h5×w256b,h13×w256b)、(-h5×w256b,h12×w256b)、(-h5×w256b,h11×w256b)、(-h5×w256b,h10×w256b)、(-h5×w256b,h9×w256b)、(-h5×w256b,h8×w256b)、
(-h5×w256b,-15×w256b)、(-h5×w256b,-h14×w256b)、(-h5×w256b,-h13×w256b)、(-h5×w256b,-h12×w256b)、(-h5×w256b,-h11×w256b)、(-h5×w256b,-h10×w256b)、(-h5×w256b,-h9×w256b)、(-h5×w256b,-h8×w256b)、
(-h4×w256b,15×w256b)、(-h4×w256b,h14×w256b)、(-h4×w256b,h13×w256b)、(-h4×w256b,h12×w256b)、(-h4×w256b,h11×w256b)、(-h4×w256b,h10×w256b)、(-h4×w256b,h9×w256b)、(-h4×w256b,h8×w256b)、
(-h4×w256b,-15×w256b)、(-h4×w256b,-h14×w256b)、(-h4×w256b,-h13×w256b)、(-h4×w256b,-h12×w256b)、(-h4×w256b,-h11×w256b)、(-h4×w256b,-h10×w256b)、(-h4×w256b,-h9×w256b)、(-h4×w256b,-h8×w256b)、
(-h3×w256b,15×w256b)、(-h3×w256b,h14×w256b)、(-h3×w256b,h13×w256b)、(-h3×w256b,h12×w256b)、(-h3×w256b,h11×w256b)、(-h3×w256b,h10×w256b)、(-h3×w256b,h9×w256b)、(-h3×w256b,h8×w256b)、
(-h3×w256b,-15×w256b)、(-h3×w256b,-h14×w256b)、(-h3×w256b,-h13×w256b)、(-h3×w256b,-h12×w256b)、(-h3×w256b,-h11×w256b)、(-h3×w256b,-h10×w256b)、(-h3×w256b,-h9×w256b)、(-h3×w256b,-h8×w256b)、
(-h2×w256b,15×w256b)、(-h2×w256b,h14×w256b)、(-h2×w256b,h13×w256b)、(-h2×w256b,h12×w256b)、(-h2×w256b,h11×w256b)、(-h2×w256b,h10×w256b)、(-h2×w256b,h9×w256b)、(-h2×w256b,h8×w256b)、
(-h2×w256b,-15×w256b)、(-h2×w256b,-h14×w256b)、(-h2×w256b,-h13×w256b)、(-h2×w256b,-h12×w256b)、(-h2×w256b,-h11×w256b)、(-h2×w256b,-h10×w256b)、(-h2×w256b,―h9×w256b)、(-h2×w256b,-h8×w256b)、
(-h1×w256b,15×w256b)、(-h1×w256b,h14×w256b)、(-h1×w256b,h13×w256b)、(-h1×w256b,h12×w256b)、(-h1×w256b,h11×w256b)、(-h1×w256b,h10×w256b)、(-h1×w256b,h9×w256b)、(-h1×w256b,h8×w256b)、
(-h1×w256b,-15×w256b)、(-h1×w256b,-h14×w256b)、(-h1×w256b,-h13×w256b)、(-h1×w256b,-h12×w256b)、(-h1×w256b,-h11×w256b)、(-h1×w256b,-h10×w256b)、(-h1×w256b,-h9×w256b)、(-h1×w256b,-h8×w256b)、
の直下にb0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の値が示されている。b0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、256QAM時のb0、b1、b2、b3、b4、b5、b6、b7のセット(00000000~11111111)と信号点の座標の関係は、図10に限ったものではない。
「n1>0(n1は0より大きい実数)、かつ、n2>0(n2は0より大きい実数)、かつ、n3>0(n3は0より大きい実数)、かつ、n4>0(n4は0より大きい実数)、かつ、n5>0(n5は0より大きい実数)、かつ、n6>0(n6は0より大きい実数)、かつ、n7>0(n7は0より大きい実数)、かつ、n8>0(n8は0より大きい実数)、かつ、n9>0(n9は0より大きい実数)、かつ、n10>0(n10は0より大きい実数)、かつ、n11>0(n11は0より大きい実数)、かつ、n12>0(n12は0より大きい実数)、かつ、n13>0(n13は0より大きい実数)、かつ、n14>0(n14は0より大きい実数)、かつ、n15>0(n15は0より大きい実数)、かつ、n16>0(n16は0より大きい実数)であり、
{n1≠n2、かつ、n1≠n3、かつ、n1≠n4、かつ、n1≠n5、かつ、n1≠n6、かつ、n1≠n7、かつ、n1≠n8、
かつ、n2≠n3、かつ、n2≠n4、かつ、n2≠n5、かつ、n2≠n6、かつ、n2≠n7、かつ、n2≠n8、
かつ、n3≠n4、かつ、n3≠n5、かつ、n3≠n6、かつ、n3≠n7、かつ、n3≠n8、
かつ、n4≠n5、かつ、n4≠n6、かつ、n4≠n7、かつ、n4≠n8、
かつ、n5≠n6、かつ、n5≠n7、かつ、n5≠n8、
かつ、n6≠n7、かつ、n6≠n8、
かつ、n7≠n8}
かつ、
{n9≠n10、かつ、n9≠n11、かつ、n9≠n12、かつ、n9≠n13、かつ、n9≠n14、かつ、n9≠n15、かつ、n9≠n16、
かつ、n10≠n11、かつ、n10≠n12、かつ、n10≠n13、かつ、n10≠n14、かつ、n10≠n15、かつ、n10≠n16、
かつ、n11≠n12、かつ、n11≠n13、かつ、n11≠n14、かつ、n11≠n15、かつ、n11≠n16、
かつ、n12≠n13、かつ、n12≠n14、かつ、n12≠n15、かつ、n12≠n16、
かつ、n13≠n14、かつ、n13≠n15、かつ、n13≠n16、
かつ、n14≠n15、かつ、n14≠n16、
かつ、n15≠n16}
かつ、
{n1≠n9、または、n2≠n10、または、n3≠n11、または、n4≠n12、または、n5≠n13、または、n6≠n14、または、n7≠n15、または、n8≠n16が成立する。}
が成立する。」
または、
「n1>0(n1は0より大きい実数)、かつ、n2>0(n2は0より大きい実数)、かつ、n3>0(n3は0より大きい実数)、かつ、n4>0(n4は0より大きい実数)、かつ、n5>0(n5は0より大きい実数)、かつ、n6>0(n6は0より大きい実数)、かつ、n7>0(n7は0より大きい実数)、かつ、n8>0(n8は0より大きい実数)、かつ、n9>0(n9は0より大きい実数)、かつ、n10>0(n10は0より大きい実数)、かつ、n11>0(n11は0より大きい実数)、かつ、n12>0(n12は0より大きい実数)、かつ、n13>0(n13は0より大きい実数)、かつ、n14>0(n14は0より大きい実数)、かつ、n15>0(n15は0より大きい実数)、かつ、n16>0(n16は0より大きい実数)であり、
{n1≠n2、かつ、n1≠n3、かつ、n1≠n4、かつ、n1≠n5、かつ、n1≠n6、かつ、n1≠n7、かつ、n1≠n8、
かつ、n2≠n3、かつ、n2≠n4、かつ、n2≠n5、かつ、n2≠n6、かつ、n2≠n7、かつ、n2≠n8、
かつ、n3≠n4、かつ、n3≠n5、かつ、n3≠n6、かつ、n3≠n7、かつ、n3≠n8、
かつ、n4≠n5、かつ、n4≠n6、かつ、n4≠n7、かつ、n4≠n8、
かつ、n5≠n6、かつ、n5≠n7、かつ、n5≠n8、
かつ、n6≠n7、かつ、n6≠n8、
かつ、n7≠n8}
かつ、
{n9≠n10、かつ、n9≠n11、かつ、n9≠n12、かつ、n9≠n13、かつ、n9≠n14、かつ、n9≠n15、かつ、n9≠n16、
かつ、n10≠n11、かつ、n10≠n12、かつ、n10≠n13、かつ、n10≠n14、かつ、n10≠n15、かつ、n10≠n16、
かつ、n11≠n12、かつ、n11≠n13、かつ、n11≠n14、かつ、n11≠n15、かつ、n11≠n16、
かつ、n12≠n13、かつ、n12≠n14、かつ、n12≠n15、かつ、n12≠n16、
かつ、n13≠n14、かつ、n13≠n15、かつ、n13≠n16、
かつ、n14≠n15、かつ、n14≠n16、
かつ、n15≠n16}
かつ、
{n1≠n9、または、n2≠n10、または、n3≠n11、または、n4≠n12、または、n5≠n13、または、n6≠n14、または、n7≠n15、または、n8≠n16が成立する。}
かつ、
{n1=n9、または、n2=n10、または、n3=n11、または、n4=n12、または、n5=n13、または、n6=n14、または、n7=n15、または、n8=n16が成立する。}
が成立する。」
ものとする。
(n8×w256c,n16×w256c)、(n8×w256c,n15×w256c)、(n8×w256c,n14×w256c)、(n8×w256c,n13×w256c)、(n8×w256c,n12×w256c)、(n8×w256c,n11×w256c)、(n8×w256c,n10×w256c)、(n8×w256c,n9×w256c)、
(n8×w256c,-n16×w256c)、(n8×w256c,-n15×w256c)、(n8×w256c,-n14×w256c)、(n8×w256c,-n13×w256c)、(n8×w256c,-n12×w256c)、(n8×w256c,-n11×w256c)、(n8×w256c,-n10×w256c)、(n8×w256c,-n9×w256c)、
(n7×w256c,n16×w256c)、(n7×w256c,n15×w256c)、(n7×w256c,n14×w256c)、(n7×w256c,n13×w256c)、(n7×w256c,n12×w256c)、(n7×w256c,n11×w256c)、(n7×w256c,n10×w256c)、(n7×w256c,n9×w256c)、
(n7×w256c,-n16×w256c)、(n7×w256c,-n15×w256c)、(n7×w256c,-n14×w256c)、(n7×w256c,-n13×w256c)、(n7×w256c,-n12×w256c)、(n7×w256c,-n11×w256c)、(n7×w256c,-n10×w256c)、(n7×w256c,-n9×w256c)、
(n6×w256c,n16×w256c)、(n6×w256c,n15×w256c)、(n6×w256c,n14×w256c)、(n6×w256c,n13×w256c)、(n6×w256c,n12×w256c)、(n6×w256c,n11×w256c)、(n6×w256c,n10×w256c)、(n6×w256c,n9×w256c)、
(n6×w256c,-n16×w256c)、(n6×w256c,-n15×w256c)、(n6×w256c,-n14×w256c)、(n6×w256c,-n13×w256c)、(n6×w256c,-n12×w256c)、(n6×w256c,-n11×w256c)、(n6×w256c,-n10×w256c)、(n6×w256c,-n9×w256c)、
(n5×w256c,n16×w256c)、(n5×w256c,n15×w256c)、(n5×w256c,n14×w256c)、(n5×w256c,n13×w256c)、(n5×w256c,n12×w256c)、(n5×w256c,n11×w256c)、(n5×w256c,n10×w256c)、(n5×w256c,n9×w256c)、
(n5×w256c,-n16×w256c)、(n5×w256c,-n15×w256c)、(n5×w256c,-n14×w256c)、(n5×w256c,-n13×w256c)、(n5×w256c,-n12×w256c)、(n5×w256c,-n11×w256c)、(n5×w256c,-n10×w256c)、(n5×w256c,-n9×w256c)、
(n4×w256c,n16×w256c)、(n4×w256c,n15×w256c)、(n4×w256c,n14×w256c)、(n4×w256c,n13×w256c)、(n4×w256c,n12×w256c)、(n4×w256c,n11×w256c)、(n4×w256c,n10×w256c)、(n4×w256c,n9×w256c)、
(n4×w256c,-n16×w256c)、(n4×w256c,-n15×w256c)、(n4×w256c,-n14×w256c)、(n4×w256c,-n13×w256c)、(n4×w256c,-n12×w256c)、(n4×w256c,-n11×w256c)、(n4×w256c,-n10×w256c)、(n4×w256c,-n9×w256c)、
(n3×w256c,n16×w256c)、(n3×w256c,n15×w256c)、(n3×w256c,n14×w256c)、(n3×w256c,n13×w256c)、(n3×w256c,n12×w256c)、(n3×w256c,n11×w256c)、(n3×w256c,n10×w256c)、(n3×w256c,n9×w256c)、
(n3×w256c,-n16×w256c)、(n3×w256c,-n15×w256c)、(n3×w256c,-n14×w256c)、(n3×w256c,-n13×w256c)、(n3×w256c,-n12×w256c)、(n3×w256c,-n11×w256c)、(n3×w256c,-n10×w256c)、(n3×w256c,-n9×w256c)、
(n2×w256c,n16×w256c)、(n2×w256c,n15×w256c)、(n2×w256c,n14×w256c)、(n2×w256c,n13×w256c)、(n2×w256c,n12×w256c)、(n2×w256c,n11×w256c)、(n2×w256c,n10×w256c)、(n2×w256c,n9×w256c)、
(n2×w256c,-n16×w256c)、(n2×w256c,-n15×w256c)、(n2×w256c,-n14×w256c)、(n2×w256c,-n13×w256c)、(n2×w256c,-n12×w256c)、(n2×w256c,-n11×w256c)、(n2×w256c,-n10×w256c)、(n2×w256c,-n9×w256c)、
(n1×w256c,n16×w256c)、(n1×w256c,n15×w256c)、(n1×w256c,n14×w256c)、(n1×w256c,n13×w256c)、(n1×w256c,n12×w256c)、(n1×w256c,n11×w256c)、(n1×w256c,n10×w256c)、(n1×w256c,n9×w256c)、
(n1×w256c,-n16×w256c)、(n1×w256c,-n15×w256c)、(n1×w256c,-n14×w256c)、(n1×w256c,-n13×w256c)、(n1×w256c,-n12×w256c)、(n1×w256c,-n11×w256c)、(n1×w256c,-n10×w256c)、(n1×w256c,-n9×w256c)、
(-n8×w256c,n16×w256c)、(-n8×w256c,n15×w256c)、(-n8×w256c,n14×w256c)、(-n8×w256c,n13×w256c)、(-n8×w256c,n12×w256c)、(-n8×w256c,n11×w256c)、(-n8×w256c,n10×w256c)、(-n8×w256c,n9×w256c)、
(-n8×w256c,-n16×w256c)、(-n8×w256c,-n15×w256c)、(-n8×w256c,-n14×w256c)、(-n8×w256c,-n13×w256c)、(-n8×w256c,-n12×w256c)、(-n8×w256c,-n11×w256c)、(-n8×w256c,―n10×w256c)、(-n8×w256c,-n9×w256c)、
(-n7×w256c,n16×w256c)、(-n7×w256c,n15×w256c)、(-n7×w256c,n14×w256c)、(-n7×w256c,n13×w256c)、(-n7×w256c,n12×w256c)、(-n7×w256c,n11×w256c)、(-n7×w256c,n10×w256c)、(-n7×w256c,n9×w256c)、
(-n7×w256c,-n16×w256c)、(-n7×w256c,-n15×w256c)、(-n7×w256c,-n14×w256c)、(-n7×w256c,-n13×w256c)、(-n7×w256c,-n12×w256c)、(-n7×w256c,-n11×w256c)、(-n7×w256c,-n10×w256c)、(-n7×w256c,-n9×w256c)、
(-n6×w256c,n16×w256c)、(-n6×w256c,n15×w256c)、(-n6×w256c,n14×w256c)、(-n6×w256c,n13×w256c)、(-n6×w256c,n12×w256c)、(-n6×w256c,n11×w256c)、(-n6×w256c,n10×w256c)、(-n6×w256c,n9×w256c)、
(-n6×w256c,-n16×w256c)、(-n6×w256c,-n15×w256c)、(-n6×w256c,-n14×w256c)、(-n6×w256c,-n13×w256c)、(-n6×w256c,-n12×w256c)、(-n6×w256c,-n11×w256c)、(-n6×w256c,-n10×w256c)、(-n6×w256c,-n9×w256c)、
(-n5×w256c,n16×w256c)、(-n5×w256c,n15×w256c)、(-n5×w256c,n14×w256c)、(-n5×w256c,n13×w256c)、(-n5×w256c,n12×w256c)、(-n5×w256c,n11×w256c)、(-n5×w256c,n10×w256c)、(-n5×w256c,n9×w256c)、
(-n5×w256c,-n16×w256c)、(-n5×w256c,-n15×w256c)、(-n5×w256c,-n14×w256c)、(-n5×w256c,-n13×w256c)、(-n5×w256c,-n12×w256c)、(-n5×w256c,-n11×w256c)、(-n5×w256c,-n10×w256c)、(-n5×w256c,-n9×w256c)、
(-n4×w256c,n16×w256c)、(-n4×w256c,n15×w256c)、(-n4×w256c,n14×w256c)、(-n4×w256c,n13×w256c)、(-n4×w256c,n12×w256c)、(-n4×w256c,n11×w256c)、(-n4×w256c,n10×w256c)、(-n4×w256c,n9×w256c)、
(-n4×w256c,-n16×w256c)、(-n4×w256c,-n15×w256c)、(-n4×w256c,-n14×w256c)、(-n4×w256c,-n13×w256c)、(-n4×w256c,-n12×w256c)、(-n4×w256c,-n11×w256c)、(-n4×w256c,-n10×w256c)、(-n4×w256c,-n9×w256c)、
(-n3×w256c,n16×w256c)、(-n3×w256c,n15×w256c)、(-n3×w256c,n14×w256c)、(-n3×w256c,n13×w256c)、(-n3×w256c,n12×w256c)、(-n3×w256c,n11×w256c)、(-n3×w256c,n10×w256c)、(-n3×w256c,n9×w256c)、
(-n3×w256c,-n16×w256c)、(-n3×w256c,-n15×w256c)、(-n3×w256c,-n14×w256c)、(-n3×w256c,-n13×w256c)、(-n3×w256c,-n12×w256c)、(-n3×w256c,-n11×w256c)、(-n3×w256c,―n10×w256c)、(-n3×w256c,-n9×w256c)、
(-n2×w256c,n16×w256c)、(-n2×w256c,n15×w256c)、(-n2×w256c,n14×w256c)、(-n2×w256c,n13×w256c)、(-n2×w256c,n12×w256c)、(-n2×w256c,n11×w256c)、(-n2×w256c,n10×w256c)、(-n2×w256c,n9×w256c)、
(-n2×w256c,-n16×w256c)、(-n2×w256c,-n15×w256c)、(-n2×w256c,-n14×w256c)、(-n2×w256c,-n13×w256c)、(-n2×w256c,-n12×w256c)、(-n2×w256c,-n11×w256c)、(-n2×w256c,-n10×w256c)、(-n2×w256c,-n9×w256c)、
(-n1×w256c,n16×w256c)、(-n1×w256c,n15×w256c)、(-n1×w256c,n14×w256c)、(-n1×w256c,n13×w256c)、(-n1×w256c,n12×w256c)、(-n1×w256c,n11×w256c)、(-n1×w256c,n10×w256c)、(-n1×w256c,n9×w256c)、
(-n1×w256c,-n16×w256c)、(-n1×w256c,-n15×w256c)、(-n1×w256c,-n14×w256c)、(-n1×w256c,-n13×w256c)、(-n1×w256c,-n12×w256c)、(-n1×w256c,-n11×w256c)、(-n1×w256c,-n10×w256c)、(-n1×w256c,-n9×w256c)、
となる(w256cは0より大きい実数となる)。
(n8×w256c,n16×w256c)、(n8×w256c,n15×w256c)、(n8×w256c,n14×w256c)、(n8×w256c,n13×w256c)、(n8×w256c,n12×w256c)、(n8×w256c,n11×w256c)、(n8×w256c,n10×w256c)、(n8×w256c,n9×w256c)、
(n8×w256c,-n16×w256c)、(n8×w256c,-n15×w256c)、(n8×w256c,-n14×w256c)、(n8×w256c,-n13×w256c)、(n8×w256c,-n12×w256c)、(n8×w256c,-n11×w256c)、(n8×w256c,-n10×w256c)、(n8×w256c,-n9×w256c)、
(n7×w256c,n16×w256c)、(n7×w256c,n15×w256c)、(n7×w256c,n14×w256c)、(n7×w256c,n13×w256c)、(n7×w256c,n12×w256c)、(n7×w256c,n11×w256c)、(n7×w256c,n10×w256c)、(n7×w256c,n9×w256c)、
(n7×w256c,-n16×w256c)、(n7×w256c,-n15×w256c)、(n7×w256c,-n14×w256c)、(n7×w256c,-n13×w256c)、(n7×w256c,-n12×w256c)、(n7×w256c,-n11×w256c)、(n7×w256c,-n10×w256c)、(n7×w256c,-n9×w256c)、
(n6×w256c,n16×w256c)、(n6×w256c,n15×w256c)、(n6×w256c,n14×w256c)、(n6×w256c,n13×w256c)、(n6×w256c,n12×w256c)、(n6×w256c,n11×w256c)、(n6×w256c,n10×w256c)、(n6×w256c,n9×w256c)、
(n6×w256c,-n16×w256c)、(n6×w256c,-n15×w256c)、(n6×w256c,-n14×w256c)、(n6×w256c,-n13×w256c)、(n6×w256c,-n12×w256c)、(n6×w256c,-n11×w256c)、(n6×w256c,-n10×w256c)、(n6×w256c,-n9×w256c)、
(n5×w256c,n16×w256c)、(n5×w256c,n15×w256c)、(n5×w256c,n14×w256c)、(n5×w256c,n13×w256c)、(n5×w256c,n12×w256c)、(n5×w256c,n11×w256c)、(n5×w256c,n10×w256c)、(n5×w256c,n9×w256c)、
(n5×w256c,-n16×w256c)、(n5×w256c,-n15×w256c)、(n5×w256c,-n14×w256c)、(n5×w256c,-n13×w256c)、(n5×w256c,-n12×w256c)、(n5×w256c,-n11×w256c)、(n5×w256c,-n10×w256c)、(n5×w256c,-n9×w256c)、
(n4×w256c,n16×w256c)、(n4×w256c,n15×w256c)、(n4×w256c,n14×w256c)、(n4×w256c,n13×w256c)、(n4×w256c,n12×w256c)、(n4×w256c,n11×w256c)、(n4×w256c,n10×w256c)、(n4×w256c,n9×w256c)、
(n4×w256c,-n16×w256c)、(n4×w256c,-n15×w256c)、(n4×w256c,-n14×w256c)、(n4×w256c,-n13×w256c)、(n4×w256c,-n12×w256c)、(n4×w256c,-n11×w256c)、(n4×w256c,-n10×w256c)、(n4×w256c,-n9×w256c)、
(n3×w256c,n16×w256c)、(n3×w256c,n15×w256c)、(n3×w256c,n14×w256c)、(n3×w256c,n13×w256c)、(n3×w256c,n12×w256c)、(n3×w256c,n11×w256c)、(n3×w256c,n10×w256c)、(n3×w256c,n9×w256c)、
(n3×w256c,-n16×w256c)、(n3×w256c,-n15×w256c)、(n3×w256c,-n14×w256c)、(n3×w256c,-n13×w256c)、(n3×w256c,-n12×w256c)、(n3×w256c,-n11×w256c)、(n3×w256c,-n10×w256c)、(n3×w256c,-n9×w256c)、
(n2×w256c,n16×w256c)、(n2×w256c,n15×w256c)、(n2×w256c,n14×w256c)、(n2×w256c,n13×w256c)、(n2×w256c,n12×w256c)、(n2×w256c,n11×w256c)、(n2×w256c,n10×w256c)、(n2×w256c,n9×w256c)、
(n2×w256c,-n16×w256c)、(n2×w256c,-n15×w256c)、(n2×w256c,-n14×w256c)、(n2×w256c,-n13×w256c)、(n2×w256c,-n12×w256c)、(n2×w256c,-n11×w256c)、(n2×w256c,-n10×w256c)、(n2×w256c,-n9×w256c)、
(n1×w256c,n16×w256c)、(n1×w256c,n15×w256c)、(n1×w256c,n14×w256c)、(n1×w256c,n13×w256c)、(n1×w256c,n12×w256c)、(n1×w256c,n11×w256c)、(n1×w256c,n10×w256c)、(n1×w256c,n9×w256c)、
(n1×w256c,-n16×w256c)、(n1×w256c,-n15×w256c)、(n1×w256c,-n14×w256c)、(n1×w256c,-n13×w256c)、(n1×w256c,-n12×w256c)、(n1×w256c,-n11×w256c)、(n1×w256c,-n10×w256c)、(n1×w256c,-n9×w256c)、
(-n8×w256c,n16×w256c)、(-n8×w256c,n15×w256c)、(-n8×w256c,n14×w256c)、(-n8×w256c,n13×w256c)、(-n8×w256c,n12×w256c)、(-n8×w256c,n11×w256c)、(-n8×w256c,n10×w256c)、(-n8×w256c,n9×w256c)、
(-n8×w256c,-n16×w256c)、(-n8×w256c,-n15×w256c)、(-n8×w256c,-n14×w256c)、(-n8×w256c,-n13×w256c)、(-n8×w256c,-n12×w256c)、(-n8×w256c,-n11×w256c)、(-n8×w256c,-n10×w256c)、(-n8×w256c,-n9×w256c)、
(-n7×w256c,n16×w256c)、(-n7×w256c,n15×w256c)、(-n7×w256c,n14×w256c)、(-n7×w256c,n13×w256c)、(-n7×w256c,n12×w256c)、(-n7×w256c,n11×w256c)、(-n7×w256c,n10×w256c)、(-n7×w256c,n9×w256c)、
(-n7×w256c,-n16×w256c)、(-n7×w256c,-n15×w256c)、(-n7×w256c,-n14×w256c)、(-n7×w256c,-n13×w256c)、(-n7×w256c,-n12×w256c)、(-n7×w256c,-n11×w256c)、(-n7×w256c,-n10×w256c)、(-n7×w256c,-n9×w256c)、
(-n6×w256c,n16×w256c)、(-n6×w256c,n15×w256c)、(-n6×w256c,n14×w256c)、(-n6×w256c,n13×w256c)、(-n6×w256c,n12×w256c)、(-n6×w256c,n11×w256c)、(-n6×w256c,n10×w256c)、(-n6×w256c,n9×w256c)、
(-n6×w256c,-n16×w256c)、(-n6×w256c,-n15×w256c)、(-n6×w256c,-n14×w256c)、(-n6×w256c,-n13×w256c)、(-n6×w256c,-n12×w256c)、(-n6×w256c,-n11×w256c)、(-n6×w256c,-n10×w256c)、(-n6×w256c,-n9×w256c)、
(-n5×w256c,n16×w256c)、(-n5×w256c,n15×w256c)、(-n5×w256c,n14×w256c)、(-n5×w256c,n13×w256c)、(-n5×w256c,n12×w256c)、(-n5×w256c,n11×w256c)、(-n5×w256c,n10×w256c)、(-n5×w256c,n9×w256c)、
(-n5×w256c,-n16×w256c)、(-n5×w256c,-n15×w256c)、(-n5×w256c,-n14×w256c)、(-n5×w256c,-n13×w256c)、(-n5×w256c,-n12×w256c)、(-n5×w256c,-n11×w256c)、(-n5×w256c,-n10×w256c)、(-n5×w256c,-n9×w256c)、
(-n4×w256c,n16×w256c)、(-n4×w256c,n15×w256c)、(-n4×w256c,n14×w256c)、(-n4×w256c,n13×w256c)、(-n4×w256c,n12×w256c)、(-n4×w256c,n11×w256c)、(-n4×w256c,n10×w256c)、(-n4×w256c,n9×w256c)、
(-n4×w256c,-n16×w256c)、(-n4×w256c,-n15×w256c)、(-n4×w256c,-n14×w256c)、(-n4×w256c,-n13×w256c)、(-n4×w256c,-n12×w256c)、(-n4×w256c,-n11×w256c)、(-n4×w256c,-n10×w256c)、(-n4×w256c,-n9×w256c)、
(-n3×w256c,n16×w256c)、(-n3×w256c,n15×w256c)、(-n3×w256c,n14×w256c)、(-n3×w256c,n13×w256c)、(-n3×w256c,n12×w256c)、(-n3×w256c,n11×w256c)、(-n3×w256c,n10×w256c)、(-n3×w256c,n9×w256c)、
(-n3×w256c,-n16×w256c)、(-n3×w256c,-n15×w256c)、(-n3×w256c,-n14×w256c)、(-n3×w256c,-n13×w256c)、(-n3×w256c,-n12×w256c)、(-n3×w256c,-n11×w256c)、(-n3×w256c,-n10×w256c)、(-n3×w256c,-n9×w256c)、
(-n2×w256c,n16×w256c)、(-n2×w256c,n15×w256c)、(-n2×w256c,n14×w256c)、(-n2×w256c,n13×w256c)、(-n2×w256c,n12×w256c)、(-n2×w256c,n11×w256c)、(-n2×w256c,n10×w256c)、(-n2×w256c,n9×w256c)、
(-n2×w256c,-n16×w256c)、(-n2×w256c,-n15×w256c)、(-n2×w256c,-n14×w256c)、(-n2×w256c,―n13×w256c)、(-n2×w256c,-n12×w256c)、(-n2×w256c,-n11×w256c)、(-n2×w256c,-n10×w256c)、(-n2×w256c,-n9×w256c)、
(-n1×w256c,n16×w256c)、(-n1×w256c,n15×w256c)、(-n1×w256c,n14×w256c)、(-n1×w256c,n13×w256c)、(-n1×w256c,n12×w256c)、(-n1×w256c,n11×w256c)、(-n1×w256c,n10×w256c)、(-n1×w256c,n9×w256c)、
(-n1×w256c,-n16×w256c)、(-n1×w256c,-n15×w256c)、(-n1×w256c,-n14×w256c)、(-n1×w256c,-n13×w256c)、(-n1×w256c,-n12×w256c)、(-n1×w256c,-n11×w256c)、(-n1×w256c,-n10×w256c)、(-n1×w256c,-n9×w256c)、
の直下にb0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の値が示されている。b0、b1、b2、b3、b4、b5、b6、b7のセット00000000~11111111の直上の信号点(「○」)の同相I-直交Q平面におけるそれぞれの座標が、マッピング後のベースバンド信号の同相成分Iおよび直交成分Qとなる。なお、256QAM時のb0、b1、b2、b3、b4、b5、b6、b7のセット(00000000~11111111)と信号点の座標の関係は、図11に限ったものではない。
xは0以上N-1以下の整数とし、yは0以上N-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、Phase[x]≠Phase[y]が成立する。
xは0以上N-3以下の整数とし、これらを満たす、すべてのxにおいて、Phase[x+2]-Phase[x+1]=Phase[x+1]―Phase[x]が成立する(ただし、<条件#2>を満たさなくても、受信装置は高いデータの受信品質を得られる可能性がある)。
以下の<3-1>、<3-2>、<3-3>、<3-4>のいずれかを満たすものとする。
s1(i)において、M種類の信号点配置方法すべてが使用される。
s2(i)において、M種類の信号点配置方法すべてが使用される。
s1(i)において、M種類の信号点配置方法すべてが使用されるものとし、かつ、s2(i)においても、M種類の信号点配置方法すべてが使用されるものとする。
s1(i)で使用されている信号点配置方法とs2(i)で使用されている信号点配置方法をあわせた場合に、M種類の信号点配置方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「16QAM信号点配置$x」の同相I―直交Q平面における16個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上15以下の整数)、「16QAM信号点配置$y」の同相I―直交Q平面における16個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{jは0以上15以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上15以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における256点の受信候補信号点(16QAMの信号を2系統同時に受信することになるため、候補信号点は16×16=256点存在することになる。)の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「16QAM信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16QAM信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「16QAM信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16QAM信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#6>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0], Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#6>を満たす場合を図H15に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
次に、図12、図13のs1、s2のマッピングにおいて、(s1(t)の変調方式,s2(t)の変調方式)=(64QAM,64QAM)のときを考える。
以下の<8-1>、<8-2>、<8-3>、<8-4>のいずれかを満たすものとする。
s1(i)において、M種類の信号点配置方法すべてが使用される。
s2(i)において、M種類の信号点配置方法すべてが使用される。
s1(i)において、M種類の信号点配置方法すべてが使用されるものとし、かつ、s2(i)においても、M種類の信号点配置方法すべてが使用されるものとする。
s1(i)で使用されている信号点配置方法とs2(i)で使用されている信号点配置方法をあわせた場合に、M種類の信号点配置方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「64QAM信号点配置$x」の同相I―直交Q平面における64個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上63以下の整数)、「64QAM信号点配置$y」の同相I―直交Q平面における64個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{jは0以上63以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上63以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における4096点の受信候補信号点(64QAMの信号を2系統同時に受信することになるため、候補信号点は64×64=4096点存在することになる。)の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「64QAM信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64QAM信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「64QAM信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64QAM信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#11>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0], Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#11>を満たす場合を図17に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
次に、図12、図13のs1、s2のマッピングにおいて、(s1(t)の変調方式,s2(t)の変調方式)=(256QAM,256QAM)のときを考える。
以下の<13-1>、<13-2>、<13-3>、<13-4>のいずれかを満たすものとする。
s1(i)において、M種類の信号点配置方法すべてが使用される。
s2(i)において、M種類の信号点配置方法すべてが使用される。
s1(i)において、M種類の信号点配置方法すべてが使用されるものとし、かつ、s2(i)においても、M種類の信号点配置方法すべてが使用されるものとする。
s1(i)で使用されている信号点配置方法とs2(i)で使用されている信号点配置方法をあわせた場合に、M種類の信号点配置方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「256QAM信号点配置$x」の同相I―直交Q平面における256個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上255以下の整数)、「256QAM信号点配置$y」の同相I―直交Q平面における256個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{jは0以上255以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上255以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における65536点の受信候補信号点(256QAMの信号を2系統同時に受信することになるため、候補信号点は256×256=65536点存在することになる。)の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「256QAM信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256QAM信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「256QAM信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256QAM信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#16>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0], Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#16>を満たす場合を図17に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
上述では、図12、図13で生成したz1(t)、z2(t)を、図14を介して変調信号を送信する送信装置について説明したが、図12、図13のかわりに図18、図19、図20、図21で生成したz1(t)、z2(t)を、図14を介して変調信号を送信する送信装置であってもよい。以下では、図18、図19、図20、図21について説明する。
「16QAM信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16QAM信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「16QAM信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16QAM信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図18、図19、図20、図21のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、上記の<条件#5>を満たすことになる。
「64QAM信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64QAM信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「64QAM信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64QAM信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図18、図19、図20、図21のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、上記の<条件#10>を満たすことになる。
「256QAM信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256QAM信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「256QAM信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256QAM信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図18、図19、図20、図21のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、上記の<条件#15>を満たすことになる。
以下の<18-1>、<18-2>、<18-3>、<18-4>のいずれかを満たすものとする。
s1(i)において、M種類のマッピング方法すべてが使用される。
s2(i)において、M種類のマッピング方法すべてが使用される。
s1(i)において、M種類のマッピング方法すべてが使用されるものとし、かつ、s2(i)においても、M種類のマッピング方法すべてが使用されるものとする。
s1(i)で使用されているマッピング方法とs2(i)で使用されているマッピング方法をあわせた場合に、M種類のマッピング方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「16個の信号点をもつ変調方式の信号点配置$x」の同相I―直交Q平面における16個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上15以下の整数)、「16個の信号点をもつ変調方式の信号点配置$y」の同相I―直交Q平面における16個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{jは0以上15以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上15以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における256点の受信候補信号点の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「16個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「16個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における16個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上15以下の整数)、「16個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における16個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上15以下の整数)。このとき、
{kは0以上15以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#21>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0],Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#21>を満たす場合を図17に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
図12、図13のs1、s2のマッピングにおいて、(s1(t)の変調方式,s2(t)の変調方式)=(I-Q平面に64個の信号点をもつ変調方式(シンボルあたり6ビット伝送),I-Q平面に64個の信号点をもつ変調方式(シンボルあたり6ビット伝送))のときを考える。
以下の<23-1>、<23-2>、<23-3>、<23-4>のいずれかを満たすものとする。
s1(i)において、M種類の信号点配置方法すべてが使用される。
s2(i)において、M種類の信号点配置方法すべてが使用される。
s1(i)において、M種類の信号点配置方法すべてが使用されるものとし、かつ、s2(i)においても、M種類の信号点配置方法すべてが使用されるものとする。
s1(i)で使用されている信号点配置方法とs2(i)で使用されている信号点配置方法をあわせた場合に、M種類の信号点配置方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「64個の信号点をもつ変調方式の信号点配置$x」の同相I―直交Q平面における64個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上63以下の整数)、「64個の信号点をもつ変調方式の信号点配置$y」の同相I―直交Q平面における64個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{jは0以上63以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上63以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における4096点の受信候補信号点の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「64個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「64個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における64個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上63以下の整数)、「64個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における64個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上63以下の整数)。このとき、
{kは0以上63以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#26>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0],Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#26>を満たす場合を図17に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
図12、図13のs1、s2のマッピングにおいて、(I-Q平面に256個の信号点をもつ変調方式(シンボルあたり8ビット伝送),I-Q平面に256個の信号点をもつ変調方式(シンボルあたり8ビット伝送))のときを考える。
以下の<28-1>、<28-2>、<28-3>、<28-4>のいずれかを満たすものとする。
s1(i)において、M種類の信号点配置方法すべてが使用される。
s2(i)において、M種類の信号点配置方法すべてが使用される。
s1(i)において、M種類の信号点配置方法すべてが使用されるものとし、かつ、s2(i)においても、M種類の信号点配置方法すべてが使用されるものとする。
s1(i)で使用されている信号点配置方法とs2(i)で使用されている信号点配置方法をあわせた場合に、M種類の信号点配置方法すべてが使用されている。
xは0以上M-1以下の整数とし、yは0以上M-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyで以下が成立する。
「256個の信号点をもつ変調方式の信号点配置$x」の同相I―直交Q平面における256個の信号点の座標を(Ix,i,Qx,i)とあらわし(iは0以上255以下の整数)、「256個の信号点をもつ変調方式の信号点配置$y」の同相I―直交Q平面における256個の信号点の座標を(Iy,j,Qy,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{jは0以上255以下の整数としたとき、これを満たす、すべてのjにおいて、Ix,i≠Iy,jを満たすiが存在する}、または{jは0以上255以下の整数としたとき、これを満たす、すべてのjにおいて、Qx,i≠Qy,jを満たすiが存在する}
}
これらの条件を満たすことで、受信装置において、同相I-直交Q平面における65536点の受信候補信号点の最小ユークリッドが小さい状態が定常的に発生する(特に、電波伝搬環境において直接波が支配的な場合。)可能性を低くすることができ、これにより、受信装置は、高いデータの受信品質を得ることができる可能性が高くなるという効果を得ることができる。
「256個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在する}
}
「g≠h」とした場合、以下を満たす。
「256個の信号点をもつ変調方式の信号点配置$g」の同相I―直交Q平面における256個の信号点の座標を(Ig,i,Qg,i)とあらわし(iは0以上255以下の整数)、「256個の信号点をもつ変調方式の信号点配置$h」の同相I―直交Q平面における256個の信号点の座標を(Ih,j,Qh,j)とあらわすものとする(jは0以上255以下の整数)。このとき、
{kは0以上255以下の整数としたとき、これを満たす、すべてのkにおいて、Ig,k=Ih,k、かつ、Qg,k=Qh,k、が成立する場合が存在しない}
}
ここで、マッピングセットを定義する。
そして、異なるマッピングセットとは以下が成立することである。
このとき、送信装置(図12、図13のマッピング部)は、L種類のマッピングセットを用意し(Lは2以上の整数とする。)、L種類のマッピングセットを「マッピングセット※k」(kは0以上L-1以下の整数とする)する。このとき、以下を満たすことになる。
xは0以上L-1以下の整数とし、yは0以上L-1以下の整数とし、x≠yとし、これらを満たす、すべてのx、すべてのyにおいて、「マッピングセット※x」と「マッピングセット※y」は異なるマッピングセットである。
xは0以上L-1以下の整数とし、これを満たす、すべてのxにおいて、以下を満たす。
ここで、<条件#31>の例を説明する。位相変更値として、N=2種類の位相の値があるものとする。したがって、Phase[0],Phase[1]が存在することになる。そして、L=3種類のマッピングセットが存在するものとする。したがって、「マッピングセット※0」、「マッピングセット※1」、「マッピングセット※2」が存在することになる。このとき、<条件#31>を満たす場合を図17に図示している。
xは0以上L-1以下の整数とし、これを満たす、xにおいて、以下を満たす、xが存在する。
なお、本実施の形態において、OFDM方式を適用した例で説明したが、これに限ったものではなく、他のマルチキャリア方式、シングルキャリア方式でも同様に適用することがでいる。また、wavelet変換を用いたOFDM方式(非特許文献7)を用いた場合、スペクトル拡散通信方式を適用した場合についても同様に適用することができる。
当然であるが、本明細書において説明した実施の形態に、その他の内容を複数組み合わせて実施してもよい。
rはzの絶対値(r=|z|)であり、θが偏角(argument)となる。そして、z=a+jbは、r×ejθとあらわされる。
Claims (1)
- 送信方法であって、
4ビットの送信データ列の値に応じて同相I-直交Q平面上の16個の信号点のいずれかを選択し、
前記選択された信号点に従って生成された送信信号を送信し、
同相成分をI、直交成分をQとすると、前記16個の信号点のそれぞれの(I,Q)は、(3×w16b,3×w16b)、(3×w16b,f2×w16b)、(3×w16b,-f2×w16b)、(3×w16b,-3×w16b)、(f1×w16b,3×w16b)、(f1×w16b,f2×w16b)、(f1×w16b,-f2×w16b)、(f1×w16b,-3×w16b)、(-f1×w16b,3×w16b)、(-f1×w16b,f2×w16b)、(-f1×w16b,-f2×w16b)、(-f1×w16b,-3×w16b)、(-3×w16b,3×w16b)、(-3×w16b,f2×w16b)、(-3×w16b,-f2×w16b)、(-3×w16b,-3×w16b)で表され、
ここで、f1はf1>0(f1は0より大きい実数)、かつf1≠3を満たし、f2はf2>0(f2は0より大きい実数)であり、かつf2≠3を満たし、w16bは前記信号点の平均パワーz2(z2は0より大きい実数)としたとき、
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