Data transmission methods and apparatus, data processing apparatus and a neural network

Claim 2

A modulation method comprising the steps of; obtaining plural pseudo noises for modulation by applying phase shifting to a pseudo noise which has significant auto-correlation characteristics, each pseudo noise for modulation having phase shifting applied with individual quantity; modulating each pseudo noise for modulation based on plural data for transmission; and convoluting the modulated pseudo noises for modulation to obtain transmission data.

Claim 3

A modulation method comprising the steps of; modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; and phase shifting each modulated pseudo noise with individual quantity together with sending out each phase shifted modulated pseudo noise to obtain transmission data which is equivalent to the convoluted modulated pseudo noises for modulation.

Claim 4

A modulation method comprising the steps of; modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; and phase shifting each modulated pseudo noise with individual quantity together with sending out each phase shifted modulated pseudo noise to obtain transmission data which is equivalent to the convoluted modulated pseudo noises for modulation.

Claim 5

A demodulation method comprising the steps of; receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which has the same phase shifting quantities as of the pseudo noises for modulation.

Claim 6

A demodulation method comprising the steps of; receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which has the same phase shifting quantities as of the pseudo noises for modulation.

Claim 7

A data transmission method comprising the steps of; obtaining plural pseudo noises for modulation by applying phase shifting to a pseudo noise which has significant auto-correlation characteristics, each pseudo noise for modulation having phase shifting applied with individual quantity; modulating each pseudo noise for modulation based on plural data for transmission; convoluting the modulated pseudo noises to obtain transmission data; sending out the transmission data; receiving the transmission data; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 8

A data transmission method comprising the steps of; obtaining plural pseudo noises for modulation by applying phase shifting to a pseudo noise which has significant auto-correlation characteristics, each pseudo noise for modulation having phase shifting applied with individual quantity; modulating each pseudo noise for modulation based on plural data for transmission; convoluting the modulated pseudo noises to obtain transmission data; sending out the transmission data; receiving the transmission data; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 9

A data transmission method comprising the steps of; modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shifting each modulated pseudo noise with individual quantity together with sending out each phase shifted modulated pseudo noise to obtain transmission data which is equivalent to the convoluted modulated pseudo noises; receiving the transmission data; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 10

A data transmission method comprising the steps of; modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shifting each modulated pseudo noise with individual quantity together with sending out each phase shifted modulated pseudo noise to obtain transmission data which is equivalent to the convoluted modulated pseudo noises; receiving the transmission data; obtaining pseudo noises for demodulation, each pseudo noise for demodulation being applied phase shifting to the pseudo noise with the individual quantity; and demodulating the received data based on the obtained pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 11

A method as set forth in claim 1 or 4, wherein said transmission data includes data equivalent to a moduled pseudo noise based on predetermined standard data.

Claim 12

A method as set forth in claim 2 or 5 com­prising the steps of; phase shifting data equivalent to a modulated pseudo noise based on predetermined standard data with indi­vidual quantity together with sending out the data to obtain transmission data which is equivalent to addi­tion data of the convoluted modulated pseudo noises and data equivalent to the modulated pseudo noise based on predetermined standard data.

Claim 13

A data transmission method as set forth in any one of claims 1 - 7, wherein the pseudo noise is a maximal-sequence code which has a code length longer than a total length of the plural data.

Claim 14

A data transmission method as set forth in any one of claims 6 or 7, wherein the standard data unit have a value of "0" or "1".

Claim 15

A modulation apparatus comprising; pseudo noise generating means (41, 42...4L, 141, 142, ...14L) for generating plural pseudo noises for modulation based on a quasi-noise having significant auto-correlation characteristics, the plural pseudo noises for modulation having individual phase shifting quantities; modulation means (11, 12...1L, 111, 112.. 11L, 211, 212...21L, 261, 262...26L) for modulating the plural pseudo noises for modulation based on plural data for transmission; and convolution means (1, 100, 221, 222...22L, 231, 232...23L) for convoluting the modulated pseudo noises for modulation.

Claim 16

A modulation apparatus comprising; pseudo noise generating means (41, 42...4L, 141, 142, ...14L) for generating plural pseudo noises for modulation based on a quasi-noise having significant auto-correlation characteristics, the plural pseudo noises for modulation having individual phase shifting quantities; modulation means (11, 12...1L, 111, 112.. 11L, 211, 212...21L, 261, 262...26L) for modulating the plural pseudo noises for modulation based on plural data for transmission; and convolution means (1, 100, 221, 222...22L, 231, 232...23L) for convoluting the modulated pseudo noises for modulation.

Claim 17

A modulation apparatus comprising; modulation means (61, 62...6L, 211, 212...21L) for modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shift means (51, 52...5L, 231, 232...­23L) for phase shifting each modulated pseudo noise with individual quantity; and convolution means (51, 52...5L, 221, 222...22L, 231, 232... 23L) for convoluting the phase shifted pseudo noises.

Claim 18

A modulation apparatus comprising; modulation means (61, 62...6L, 211, 212...21L) for modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shift means (51, 52...5L, 231, 232...­23L) for phase shifting each modulated pseudo noise with individual quantity; and convolution means (51, 52...5L, 221, 222...22L, 231, 232... 23L) for convoluting the phase shifted pseudo noises.

Claim 19

A modulation apparatus as set forth in claim 10 or 11, wherein said convolution means (100, 221, 222...22L, 231, 232...23L) obtains transmission data which includes data equivalent to a modulated pseudo noise based on predetermined standard data.

Claim 20

A modulation apparatus as set forth in claim 11 or 12, wherein said modulation means are multipliers (211, 212...21L), said phase shift means are pipeline registers (231, 232...23L) and said convolution means are adders (221, 222...22L).

Claim 21

A modulation apparatus as set forth in claim 11 or 12 wherein said modulation means are operational amplifiers (261, 262...26L) and said phase-shift means and said convolution means are pipeline registers (231, 232...23L) which are alternatively connected with said operational amplifiers (261, 262...26L).

Claim 22

A modulation apparatus as set forth in any one of claims 10-14, wherein said pseudo noise is a maximal-sequence code which has a code length longer than a total length of the plural data.

Claim 23

A modulation apparatus as set forth in any one of claims 12-14 wherein said standard data unit have a value of "0" or "1".

Claim 24

A demodulation apparatus comprising; receiving means (2) for receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; pseudo noise generating means for generating pseudo noises for demodulation being applied phase shifting to the pseudo noise with individual phase shifting quantities which are the same as the individual quantities for the pseudo noises for modulation; and demodulation means (2,3,4,120,122) for demodulating the received data based on the generated pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 25

A demodulation apparatus comprising; receiving means (2) for receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; pseudo noise generating means for generating pseudo noises for demodulation being applied phase shifting to the pseudo noise with individual phase shifting quantities which are the same as the individual quantities for the pseudo noises for modulation; and demodulation means (2,3,4,120,122) for demodulating the received data based on the generated pseudo noises for demodulation which have the same phase shifting quantities as of the pseudo noises for modulation.

Claim 26

A demodulation apparatus as set forth in claim 17, wherein said demodulation means includes a register (3), an operational amplifier (2) for performing predetermined operations based on the content of said register (3), the received data and a maximal-­sequence code to obtain operation results and for supplying the operation results to said register (3), and an inverter (4) for outputting regeneration data based on the uppermost digit of said register (3).

Claim 27

A demodulation apparatus as set forth in claim 17, wherein said demodulation means (120,122,123,130,133) obtains demodulation data including standard data; and restoration means (140) for restoring data other than the standard data based on the demodulated standard data is provided.

Claim 28

A demodulation apparatus as set forth in claim 19, wherein said demodulation means includes a first register (130, 133), a shifter (121) for shifting a standard maximal-sequence code with predetermined phase, a second register (122) for holding the received data, and an operational amplifier (120, 123) for performing predetermined operations based on the content of said first register (130, 133), the received data, a maximal-sequence code output from said shifter (121) and the received data output from said second register (122) to obtain operation results and for supplying the operation results to said first register (130, 133).

Claim 29

A data transmission apparatus comprising; pseudo noise generating means (41, 42...4L) for generating plural pseudo noises for modulation based on a pseudo noise having significant auto-correlation characteristics, the plural pseudo noises for modulation having individual phase shifting quantities; modulation means (11, 12...1L) for modulating the plural pseudo noises for modulation based on plural data for transmission; and convolution means (1,100) for convoluting the modulated pseudo noises for modulation to obtain convoluted data; demodulation means (2,3,4,120,121,122,123,130,133) for demodulating the convoluted data based on pseudo noises which are the same as the pseudo noises for modulation and restoration means (140) for restoring data other than the standard data based on the demodulated standard data.

Claim 30

A data transmission apparatus comprising; pseudo noise generating means (41, 42...4L) for generating plural pseudo noises for modulation based on a pseudo noise having significant auto-correlation characteristics, the plural pseudo noises for modulation having individual phase shifting quantities; modulation means (11, 12...1L) for modulating the plural pseudo noises for modulation based on plural data for transmission; and convolution means (1,100) for convoluting the modulated pseudo noises for modulation to obtain convoluted data; demodulation means (2,3,4,120,121,122,123,130,133) for demodulating the convoluted data based on pseudo noises which are the same as the pseudo noises for modulation and restoration means (140) for restoring data other than the standard data based on the demodulated standard data.

Claim 31

A data transmission apparatus as set forth in claim 21, wherein said modulation means are multipliers (11, 12...1L), said convolution means is an adder (1), and said demodulation means includes a register (3), an operational amplifier (2) for performing predetermined operations based on the content of said register (3), the received data and a maximal-­sequence code to obtain operation results and for supplying the operation results to said register (3), and an inverter (4) for outputting regeneration data based on the uppermost digit of said register (3); and/or wherein said modulation means are multipliers (111, 112...11L), said convolution means is an adder (100), and said demodulation means includes a first register (130, 133), a shifter (121) for shifting a standard maximal-sequence code with a predetermined phase, a second register (122) for holding the received data, and an operational amplifier (120, 123) for performing predetermined operations based on the content of said first register (130, 133), the received data, a maximal-sequence code output from said shifter (121) and the received data output from said second register (122) to obtain operation results and for supplying the operation results to said first register (130, 133).

Claim 32

A data transmission apparatus comprising; modulation means (61,62...6L,211...212...21L,261,262...26L) for modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shift means (51, 52...5L, 231, 232...23L) for phase shifting each modulated pseudo noise with individual quantity; convolution means (51, 52...5L, 100, 221, 222...22L, 231, 232.. .23L) for convoluting the phase shifted pseudo noises to obtain convoluted data; and demodulation means (2, 3, 4, 120, 121, 122, 123, 130, 133) for demodulating the convoluted data based on pseudo noises which are phase shifted with individual phase shifting quantity which are the same as the individual phase shifting quantity of the pseudo noises for modulation.

Claim 33

A data transmission apparatus comprising; modulation means (61,62...6L,211...212...21L,261,262...26L) for modulating a pseudo noise based on plural data for transmission, the pseudo noise having significant auto-correlation characteristics; phase shift means (51, 52...5L, 231, 232...23L) for phase shifting each modulated pseudo noise with individual quantity; convolution means (51, 52...5L, 100, 221, 222...22L, 231, 232.. .23L) for convoluting the phase shifted pseudo noises to obtain convoluted data; and demodulation means (2, 3, 4, 120, 121, 122, 123, 130, 133) for demodulating the convoluted data based on pseudo noises which are phase shifted with individual phase shifting quantity which are the same as the individual phase shifting quantity of the pseudo noises for modulation.

Claim 34

A data transmission apparatus as set forth in claim 23, wherein said modulation means are operational amplifiers (61, 62...6L), said phase shift means and said convolution means are pipeline registers (51, 52...5L) which are alternatively connected with said operational amplifiers (61, 62...6L),,and said demodulation means includes a register (3), an operational amplifier (2) for performing predetermined operations based on the content of said register (3), the received data and a maximal-sequence code to obtain operation results and for supplying the operation results to said register (3), and an inverter (4) for outputting regeneration data based on the uppermost digit of said register (3) ; and/or said convoluted data includes data equivalent to a modulated pseudo noise based on predetermined standard data; restoration means (140) for restoring data other than the standard data based on the demodulated standard data is provided; and/or said modulation means are operational amplifiers (261, 262...26L), said phase shift means and said convolution means are pipeline registers (231, 232...23L) which are alternatively connected with said operational amplifiers (261, 262...26L), and said demodulation means includes a first register (130, 133), a shifter (121) for shifting a standard maximal-sequence code with a predetermined phase, a second register (122) for holding the received data, and an operational amplifier (120, 123) for performing predetermined operations based on the content of said first register (130, 133), the received data, a maximal-sequence code output from said shifter (121) and the received data output from said second register (122) to obtain operation results and for supplying the operation results to said first register (130, 133).

Claim 35

A data processing apparatus comprising; receiving means (411, 412) for receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; cross-correlation means (411) for data for obtaining cross-correlation values of the convoluted data with previously obtained time sequence data based on a pseudo noise and weighting factor for each data; cross-correlation means (412) for standards for obtaining cross-correlation value of the convoluted data with a pseudo noise having a predetermined phase shifting quantity; and processing means (413, 414) for performing predetermined processing based on both cross-correlation values to obtain output data.

Claim 36

A data processing apparatus comprising; receiving means (411, 412) for receiving data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises; cross-correlation means (411) for data for obtaining cross-correlation values of the convoluted data with previously obtained time sequence data based on a pseudo noise and weighting factor for each data; cross-correlation means (412) for standards for obtaining cross-correlation value of the convoluted data with a pseudo noise having a predetermined phase shifting quantity; and processing means (413, 414) for performing predetermined processing based on both cross-correlation values to obtain output data.

Claim 37

A data processing apparatus as set forth in claim 25,wherein said cross-correlation means (412) for standards generates a cross-correlation value corresponding to a "0" level, and said cross-correlation means for standards supplies the cross-correlation value as a common value to plural data processing apparatus; and/or wherein said cross-correlation means (412) for standards generates a value which includes a weighting factor to the cross-correlation value; and/or wherein said processing means (413, 414) performs offset correction processing and threshold processing based on the cross-correlation values output from both cross-correlation means (411, 412) ; and/or said cross-correlation means (411) for data obtains the cross-correlation values of the convoluted data with previously obtained time sequence data based on weighting factors for each data and on the difference between the pseudo noise and a pseudo noise corresponding to the standard data.

Claim 38

A neural network comprising; plural data processing apparatus which are classified to an input layer (A), intermediate layer (B) and output layer (C) of said neural network; modulation means (406, 407) for modulating pseudo noises which are phase shifted with individual phase shifting quantities based on the output data from all said data processing apparatus of said input layer (A) or from all said data processing apparatus of said intermediate layer (B); and convolution means (406, 407) for convoluting the output data from each modulation means and for supplying the convoluted data to said data processing apparatus of the next layer through a common data transmission channel (408, 409, 410), wherein said data processing apparatus includes receiving means (411, 412) for receiving data as an convoluted data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises, cross-correlation means (411) for data for obtaining cross-correlation values of the convoluted data with previously obtained time sequence data based on a pseudo noise and weighting factors for each data, cross-correlation means (412) for standards for obtaining a cross-correlation value of the convoluted data with a pseudo noise having predetermined phase shifting quantity, and processing means (413, 414) for performing predetermined processing based on both cross-­ correlation values to obtain output data.

Claim 39

A neural network comprising; plural data processing apparatus which are classified to an input layer (A), intermediate layer (B) and output layer (C) of said neural network; modulation means (406, 407) for modulating pseudo noises which are phase shifted with individual phase shifting quantities based on the output data from all said data processing apparatus of said input layer (A) or from all said data processing apparatus of said intermediate layer (B); and convolution means (406, 407) for convoluting the output data from each modulation means and for supplying the convoluted data to said data processing apparatus of the next layer through a common data transmission channel (408, 409, 410), wherein said data processing apparatus includes receiving means (411, 412) for receiving data as an convoluted data which is equivalent to data which is obtained by modulating plural pseudo noises for modulation having significant auto-correlation characteristics and having phase shifting applied with individual quantities based on plural data for transmission and by convoluting the modulated pseudo noises, cross-correlation means (411) for data for obtaining cross-correlation values of the convoluted data with previously obtained time sequence data based on a pseudo noise and weighting factors for each data, cross-correlation means (412) for standards for obtaining a cross-correlation value of the convoluted data with a pseudo noise having predetermined phase shifting quantity, and processing means (413, 414) for performing predetermined processing based on both cross-­ correlation values to obtain output data.

Claim 40

A neural network as set forth in claim 27, wherein said pseudo noise is a maximal-sequence code which has a code length greater than a number of neuron devices of each layer.