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EP0631398A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method and apparatus for waveform shaping of packet data

Assignee: Panasonic Holdings Corp
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Filing: 1994-06-23
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Granted: —
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Expires: 2014-06-23
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Abstract

Abstract In the transmitter which carries out burst transmission using information data as a packet, if the status is divided into four modes, namely, burst stop mode, burst rising mode, burst continuous mode, and burst falling mode, a waveform shaping equipment designed to read out shaped waveform data for each mode from outputs of either of the two memory tables, the first memory table which holds waveform data for specific data patterns used in common in burst rising mode and burst falling mode and the second memory table which holds waveform data for all data patterns used in the burst continuous mode, or a waveform shaping equipment comprising the third memory table which holds waveform data corresponding to all the data patterns used in the burst rising mode and the fourth memory table which holds waveform data corresponding to all data patterns used in the burst falling mode and generating shaped waveform data by synthesizing the two outputs of the third and the fourth memory tables at the time of burst continuous mode.

Inventors

  • 👤 Yoshio Urabe
  • 👤 Shouichi Koga
  • 👤 Hitoshi Takai
  • 👤 Koji Kai
  • 👤 Hidetoshi Yamasaki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 19:31
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3089; H03G3/3036; H03G3/3042; H03G3/3047; H04; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03828; H04L25/03834; H04L25/03859; H04L27/00; H04L27/18; H04L27/20; H04L27/2032; H04L27/2053; H04L27/206; H04L27/2067; H04L27/32; H04L27/34; H04L27/36; H04L27/362

Claims Analysis

Total Claims: 45
Claim 1
Independent Claim 335 words
A waveform shaping equipment using transmission data forming packets as inputs as well as transmission status signals for indicating whether the said transmission data is inputted or not as inputs, forming data patterns successively from the said transmission data, concatenating pulse waveforms read out based on the said data patterns, generating and outputting signal waveforms corresponding to the said packets, and designating to spare sequence predetermined periods at a start of readout of the said pulse waveforms and at an end of completing readout of the said pulse waveforms and designating to ordinary sequence a period for reading the said pulse waveforms except the said spare sequence period, the said waveform shaping equipment comprising: a pattern generating means for generating the data patterns based on the transmission data and the transmission status signals; an addressing signal generating means for decoding the data patterns and generating addressing signals; a control means for generating sequence change-over signals for controlling readout of pulse waveforms in the spare sequence and ordinary sequence and sample position signals for specifying a readout position in the present time slot; a waveform generating means for generating pulse waveforms read out at the time of the spare sequence and pulse waveforms read out at the time of the ordinary sequence based on the addressing signals and sequence change-over signals; an output means for smoothly concatenating successively pulse waveforms generated from the waveform generating means, wherein the transmission data and transmission status signals provided from outside the waveform shaping equipment are inputted to an input portion of the said pattern generating means, and the transmission status signals provided from outside the waveform shaping equipment are inputted to an input portion of the control means, the data patterns are inputted to the addressing signal generating means, and the addressing signals, sequence change-over signals, and sample point signals are inputted to the waveform generating means, the pulse waveforms are inputted to the output means, and signal waveforms corresponding to the packets are generated from the output means.
Claim 2
Dependent Claim 424 words
A waveform shaping equipment for generating and outputting signal waveforms corresponding to packets with dummy data by using information data as input, forming packets with dummy data comprising the information data and dummy data, extracting part of the packets with dummy data and successively forming patterns, and successively concatenating partial waveforms read out from the memory means based on the patterns; wherein, with the signals for indicating the start of the information data regarded as starting signals, the signals for indicating the end of the information data as regarded end signals, predetermined periods at a start of readout of the partial waveforms and at an end of readout of the partial waveforms regarded as the spare sequence, the period for reading out the partial waveforms excluding the spare sequence regarded as the ordinary sequence, the memory means comprises sub memory means and main memory means, and the sub memory means is designed to hold the partial waveforms in the spare sequence, and the main memory means is designed to hold partial waveforms in the ordinary sequence, the said waveform shaping equipment comprising; a pattern generating means for forming the packets with dummy data and generating the patterns, and a control means for generating output control signals and readout signals, said output control signals being for switching readout of partial waveforms from the sub memory means to the main memory means after a specified time after the dummy data, input control signals for the pattern generating means, and the starting signals are inputted and for switching readout of partial waveforms from the main memory means to the sub memory means after a specified time after the end signals are inputted, and said readout signals being for instructing readout of specific partial waveforms from the memory means, wherein, to the input section of the pattern generating means, the information data, the dummy data and the input control signals which are provided from outside of the waveform shaping equipment, are inputted, to the input section of the control means, the starting signals provided from the outside of the waveform shaping equipment, the end signals provided from the outside of the waveform shaping equipment, and outputs of the pattern generating means are inputted, and to the relevant input sections of the main memory means and sub memory means, the output control signals and the readout signals are inputted, and in the ordinary sequence, the signal waveforms are outputted from the main memory means, and in the spare sequence, the signal waveforms are outputted from the sub memory means.
Claim 3
Dependent Claim 55 words
A waveform shaping equipment according to Claim 2 wherein the memory means comprises semiconductor memories, the pattern generating means comprises shift registers, and the control means controls the readout of partial waveforms from the memory means based on the outputs of the sequencer for holding time which passes from application of start and end signals.
Claim 4
Dependent Claim 61 words
A waveform shaping equipment according to Claim 2 wherein the memory means comprises semiconductor memories, the pattern generating means comprises shift registers, and the control means controls the readout of partial waveforms from the memory means based on the outputs of the sequencer for holding time which passes from application of start and end signals, wherein the sequencer comprises shift registers.
Claim 5
Dependent Claim 43 words
A waveform shaping equipment according to Claim 2 wherein the memory means comprises semiconductor memories, and the control means generates binary readout signals for reading out partial waveforms held in the semiconductor memories by decoding multi-level patterns generated by the pattern generating means.
Claim 6
Dependent Claim 89 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms.
Claim 7
Dependent Claim 162 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means outputs zero-level waveforms whose level is zero before the start of the data strings to be transmitted, outputs the first waveform for one symbol time from the start of the data string to be transmitted, outputs the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter outputs the zero-level waveforms until the next data string to be transmitted starts.
Claim 8
Dependent Claim 185 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means has a waveform selecting means for inputting the zero-level, first, second, and third waveforms and for selecting any of the input waveforms in a manner that outputting zero-level waveforms whose level is zero before the start of the data strings to be transmitted, the first waveform for one symbol time from the start of the data string to be transmitted, the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter the zero-level waveforms until the next data string to be transmitted starts.
Claim 9
Dependent Claim 249 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and-the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means outputs zero-level waveforms whose level is zero before the start of the data strings to be transmitted, outputs the first waveform for one symbol time from the start of the data string to be transmitted, outputs the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter outputs the zero-level waveforms until the next data string to be transmitted starts, the waveform adding means has the first input terminal for inputting the first waveforms and the second input terminal for inputting the second waveforms, the first and the second input terminals are designed to be cut off, respectively, and when the first waveforms are outputted as shaped waveforms, the second input terminal is cut off, and when the second waveforms are outputted as shaped waveforms, the first input terminal is cut off, and when the zero-level waveforms are outputted, both first and second input terminals are cut off.
Claim 10
Dependent Claim 154 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the pulse wave generating means comprises memory table for storing the first and the second waveform data, an addressing signal generating means for generating addressing signals for reading out data related to waveforms from a specified position of the memory table, and the memory table is designed to be retrieved by the addressing signals to read and output the first and second waveform data.
Claim 11
Dependent Claim 227 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means outputs zero-level waveforms whose level is zero before the start of the data strings to be transmitted, outputs the first waveform for one symbol time from the start of the data string to be transmitted, outputs the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter outputs the zero-level waveforms until the next data string to be transmitted starts, wherein the pulse wave generating means comprises memory table for storing the first and the second waveform data, an addressing signal generating means for generating addressing signals for reading out data related to waveforms from a specified position of the memory table, and the memory table is designed to be retrieved by the addressing signals to read and output the first and second waveform data.
Claim 12
Dependent Claim 250 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means has a waveform selecting means for inputting the zero-level, first, second, and third waveforms and for selecting any of the input waveforms in a manner that outputting zero-level waveforms whose level is zero before the start of the data strings to be transmitted, the first waveform for one symbol time from the start of the data string to be transmitted, the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter the zero-level waveforms until the next data string to be transmitted starts, wherein the pulse wave generating means comprises memory table for storing the first and the second waveform data, an addressing signal generating means for generating addressing signals for reading out data related to waveforms from a specified position of the memory table, and the memory table is designed to be retrieved by the addressing signals to read and output the first and second waveform data.
Claim 13
Dependent Claim 315 words
A waveform shaping equipment comprising a pulse waveform generating means for inputting the data string and generating and outputting the first waveform which is the first half of the band-limited pulse waveform corresponding to each symbol of the data string and the second waveform which is the latter half of the band-limited pulse waveform, and a waveform processing means which has adding means which inputs the first and the second waveforms and adds the first waveform and the second waveform to generate a third waveform as a shaped waveforms, wherein the waveform processing means outputs zero-level waveforms whose level is zero before the start of the data strings to be transmitted, outputs the first waveform for one symbol time from the start of the data string to be transmitted, outputs the second waveform for one symbol time from the end of the data string to be transmitted, and thereafter outputs the zero-level waveforms until the next data string to be transmitted starts, the waveform adding means has the first input terminal for inputting the first waveforms and the second input terminal for inputting the second waveforms, the first and the second input terminals are designed to be cut off, respectively, and when the first waveforms are outputted as shaped waveforms, the second input terminal is cut off, and when the second waveforms are outputted as shaped waveforms, the first input terminal is cut off, and when the zero-level waveforms are outputted, both first and second input terminals are cut off, wherein the pulse wave generating means comprises memory table for storing the first and the second waveform data, an addressing signal generating means for generating addressing signals for reading out data related to waveforms from a specified position of the memory table, and the memory table is designed to be retrieved by the addressing signals to read and output the first and second waveform data.
Claim 14
Dependent Claim 95 words
A waveform shaping equipment according to Claim 10 wherein the addressing signal generating means comprises a shift register for accumulating data for the latest 2 symbols of data strings and outputting them in parallel and a cyclic counter which has a period equal to the symbol time, and the addressing signal for reading out the first waveform comprises the first-stage output of the shift register and the output of the counter, and the addressing signal for reading out the second waveform comprises the second-stage output of the shift register and the output of the counter.
Claim 15
Dependent Claim 95 words
A waveform shaping equipment according to Claim 11 wherein the addressing signal generating means comprises a shift register for accumulating data for the latest 2 symbols of data strings and outputting them in parallel and a cyclic counter which has a period equal to the symbol time, and the addressing signal for reading out the first waveform comprises the first-stage output of the shift register and the output of the counter, and the addressing signal for reading out the second waveform comprises the second-stage output of the shift register and the output of the counter.
Claim 16
Dependent Claim 95 words
A waveform shaping equipment according to Claim 12 wherein the addressing signal generating means comprises a shift register for accumulating data for the latest 2 symbols of data strings and outputting them in parallel and a cyclic counter which has a period equal to the symbol time, and the addressing signal for reading out the first waveform comprises the first-stage output of the shift register and the output of the counter, and the addressing signal for reading out the second waveform comprises the second-stage output of the shift register and the output of the counter.
Claim 17
Dependent Claim 95 words
A waveform shaping equipment according to Claim 13 wherein the addressing signal generating means comprises a shift register for accumulating data for the latest 2 symbols of data strings and outputting them in parallel and a cyclic counter which has a period equal to the symbol time, and the addressing signal for reading out the first waveform comprises the first-stage output of the shift register and the output of the counter, and the addressing signal for reading out the second waveform comprises the second-stage output of the shift register and the output of the counter.
Claim 18
Dependent Claim 49 words
A waveform shaping equipment according to Claim 10 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table.
Claim 19
Dependent Claim 49 words
A waveform shaping equipment according to Claim 11 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table.
Claim 20
Dependent Claim 49 words
A waveform shaping equipment according to Claim 12 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table.
Claim 21
Dependent Claim 49 words
A waveform shaping equipment according to Claim 13 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table.
Claim 22
Dependent Claim 92 words
A waveform shaping equipment according to Claim 10 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time.
Claim 23
Dependent Claim 92 words
A waveform shaping equipment according to Claim 11 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time.
Claim 24
Dependent Claim 92 words
A waveform shaping equipment according to Claim 12 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time.
Claim 25
Dependent Claim 92 words
A waveform shaping equipment according to Claim 13 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time.
Claim 26
Dependent Claim 62 words
A waveform shaping equipment according to Claim 10 wherein the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 27
Dependent Claim 62 words
A waveform shaping equipment according to Claim 11 wherein the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 28
Dependent Claim 62 words
A waveform shaping equipment according to Claim 12 wherein the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 29
Dependent Claim 62 words
A waveform shaping equipment according to Claim 13 wherein the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 30
Dependent Claim 145 words
A waveform shaping equipment according to Claim 10 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time, the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 31
Dependent Claim 145 words
A waveform shaping equipment according to Claim 11 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time, the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 32
Dependent Claim 145 words
A waveform shaping equipment according to Claim 12 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time, the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 33
Dependent Claim 145 words
A waveform shaping equipment according to Claim 13 wherein the waveforms obtained by inverting the first waveform with respect to time is used for the second waveform and the pulse waveform generating means generates the first waveform and the second waveform from the same data of the memory table, and when the second waveform data is read out, the addressing signal generating means generates addressing signals in the sequence reversal to that of the addressing signals, with respect to time, when the first waveform data is read out in each symbol time, the addressing signal generating means is designed to generate addressing signals for reading out the first waveform data and addressing signals for reading out the second waveform data alternately, and the pulse generating means is designed to read out the first waveform data and the second waveform data alternately from the memory table.
Claim 34
Dependent Claim 215 words
A waveform shaping method adopting a modulation system in which the constellation at an optional time in one symbol time geometrically coincides with the constellation obtained by rotating each signal point on the signal space by 90° with the origin set to the center, and also utilizing the characteristics that the four types of signal points with the specific signal points rotated multiples of 90° (0°, 90°, 180°, 270°) can be expressed by combination of in-phase component waveform (including the waveform with the symbol inverted) and quadrature component waveform (including the waveform with the symbol inverted) of the specific signal point, the said waveform shaping method for generating waveforms of optional signal point by; dividing all the signal points in the constellation into four sets which have a relationship obtained by rotating them by multiples of 90° one another, dividing and holding in-phase component waveforms (including the waveforms with their symbols inverted) and quadrature component waveforms (including the waveforms with their symbols inverted) with respect to each signal point of one of these four sets into two tables as basic waveform data, respectively, and reading out the waveform data from the relevant table one by one in accordance with the data to be transmitted and alloting the data to either in-phase axis or quadrature axis.
Claim 35
Dependent Claim 545 words
A waveform shaping equipment for generating and outputting in-phase signal waveforms which are baseband signals of in-phase components and quadrature signal waveforms which are baseband signals of quadrature components in the quadrature modulated signals, comprising a first waveform generating means for generating the first waveform, a second waveform generating means for generating the second waveform, a waveform selecting means for outputting either the first or second waveforms as partial in-phase signal waveforms and the other as partial quadrature signal waveform, wherein, if complex signal waveforms comprising the partial in-phase signal waveforms in one symbol time as a real part and the partial quadrature signal waveform as a imaginary part are designated as sectional waveforms, with respect to the first sectional waveform which is a specific sectional waveform, the second sectional waveform obtained by rotating the phase of the first sectional waveform 90°, the third sectional waveform obtained by rotating the phase of the first sectional waveform 180°, and the fourth sectional waveform obtained by rotating the phase of the first sectional waveform 270°, when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the first sectional waveform, the first waveform generating means generates the first original waveform which is a specific waveform as the first waveform, the second waveform generating means generates the second original waveform which is a specific waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the second sctional waveform, the first waveform generating means generates the first original waveform as the first waveform, the second waveform generating means generates the inverted second original waveform which has the symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively, and when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the third sectional waveform, the first waveform generating means generates the inverted first original waveform with symbols of the first original waveform inverted as the first waveform, the second waveform generating means generates the inverted second original waveform with symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the fourth sctional waveform, the first waveform generating means generates the inverted first original waveform as the first waveform, the second waveform generating means generates the second original waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively; the waveform shaping equipment characterized by outputting the in-phase signal waveform and quadrature signal waveform based on the partial in-phase signal waveform and the partial quadrature waveform.
Claim 36
Dependent Claim 29 words
A waveform shaping equipment according to Claim 35 characterized by outputting partial in-phase signal waveform and partial quadrature signal waveform as in-phase signal waveform and quadrature signal waveform, respectively.
Claim 37
Dependent Claim 81 words
A waveform shaping equipment according to Claim 35 comprising plural waveform selecting means and one unit each of the first and the second waveform generating means corresponding to each of waveform selecting means, respectively, and a waveform synthesis means for generating the in-phase signal waveforms by adding all of the partial in-phase signal waveforms outputted by each waveform selecting means and for generating quadrature signal waveforms by adding all of the partial quadrature signal waveforms outputted by each waveform selecting means.
Claim 38
Dependent Claim 859 words
A waveform shaping equipment for generating and outputting in-phase signal waveforms which are baseband signals of in-phase components and quadrature signal waveforms which are baseband signals of quadrature components in the quadrature modulated signals, comprising a first waveform generating means for generating the first waveform, a second waveform generating means for generating the second waveform, a waveform selecting means for outputting either the first or second waveforms as partial in-phase signal waveforms and the other as partial quadrature signal waveform, wherein, if complex signal waveforms comprising the partial in-phase signal waveforms in one symbol time as a real part and the partial quadrature signal waveform as a imaginary part are designated as sectional waveforms, with respect to the first sectional waveform which is a specific sectional waveform, the second sectional waveform obtained by rotating the phase of the first sectional waveform 90°, the third sectional waveform obtained by rotating the phase of the first sectional waveform 180°, and the fourth sectional waveform obtained by rotating the phase of the first sectional waveform 270°, when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the first sectional waveform, the first waveform generating means generates the first original waveform which is a specific waveform as the first waveform, the second waveform generating means generates the second original waveform which is a specific waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the second sctional waveform, the first waveform generating means generates the first original waveform as the first waveform, the second waveform generating means generates the inverted second original waveform which has the symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively, and when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the third sectional waveform, the first waveform generating means generates the inverted first original waveform with symbols of the first original waveform inverted as the first waveform, the second waveform generating means generates the inverted second original waveform with symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the fourth sctional waveform, the first waveform generating means generates the inverted first original waveform as the first waveform, the second waveform generating means generates the second original waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively; the waveform shaping equipment characterized by outputting the in-phase signal waveform and quadrature signal waveform based on the partial in-phase signal waveform and the partial quadrature waveform, the waveform shaping equipment comprising with d as integers greater than or equal to 1 and m as integers greater than or equal to 2, a slot generating means which uses data strings as inputs, takes in data less than or equal to m bits successively from the data strings every 1 symbol time to form the data pattern comprising the latest m x d bits data, divides the data patterns into d pieces of slots by separating them every m bits, outputs one piece of the slots as the main slot and the remaining d-1 pieces as sub slots, a selecting signal generating means for generating and outputting 1-bit selecting signals by using the main slot as the input and carrying out logical operation on each bit composing the main slot, an addressing signal generating means for using the main slot and d-1 pieces of sub slots as inputs and carrying out the first bit operation and the second bit operation on m x d bits comprising the main slot and the sub slot and forming the m x d - 1 bit first addressing pattern and m x d - 1 bit second addressing pattern respectively, and generating and outputting the first addressing signal and the second addressing signal based on the first addressing pattern and the second addressing pattern, respectively, wherein the first waveform generating means and the second waveform generating means have memories which hold 2^(m x d - 1) types of pulse waveforms for one symbol time, respectively, and read out one type each of pulse waveform for one symbol time from the memory based on the first and second addressing signals, respectively, and output them as first and second waveforms, respectively, the waveform selecting means determines which should be designated as the in-phase signal waveforms, the first waveform or the second waveform, in accordance with the selecting signals.
Claim 39
Dependent Claim 1138 words
A waveform shaping equipment for generating and outputting in-phase signal waveforms which are baseband signals of in-phase components and quadrature signal waveforms which are baseband signals of quadrature components in the quadrature modulated signals, comprising a first waveform generating means for generating the first waveform, a second waveform generating means for generating the second waveform, a waveform selecting means for outputting either the first or second waveforms as partial in-phase signal waveforms and the other as partial quadrature signal waveform, wherein, if complex signal waveforms comprising the partial in-phase signal waveforms in one symbol time as a real part and the partial quadrature signal waveform as a imaginary part are designated as sectional waveforms, with respect to the first sectional waveform which is a specific sectional waveform, the second sectional waveform obtained by rotating the phase of the first sectional waveform 90°, the third sectional waveform obtained by rotating the phase of the first sectional waveform 180°, and the fourth sectional waveform obtained by rotating the phase of the first sectional waveform 270°, when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the first sectional waveform, the first waveform generating means generates the first original waveform which is a specific waveform as the first waveform, the second waveform generating means generates the second original waveform which is a specific waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the second sctional waveform, the first waveform generating means generates the first original waveform as the first waveform, the second waveform generating means generates the inverted second original waveform which has the symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively, and when the waveform selecting means outputs the partial in-phase signal waveform and partial quadrature signal waveform corresponding to the third sectional waveform, the first waveform generating means generates the inverted first original waveform with symbols of the first original waveform inverted as the first waveform, the second waveform generating means generates the inverted second original waveform with symbols of the second original waveform inverted as the second waveform, and the waveform selecting means outputs the first waveform as the partial in-phase signal waveform and the second waveform as the partial quadrature signal waveform, respectively, and when the waveform selecting means outputs partial in-phase signal waveform and partial quadrature signal waveform corresponding to the fourth sctional waveform, the first waveform generating means generates the inverted first original waveform as the first waveform, the second waveform generating means generates the second original waveform as the second waveform, and the waveform selecting means outputs the first waveform as the partial quadrature signal waveform and the second waveform as the partial in-phase signal waveform, respectively; the waveform shaping equipment characterized by outputting the in-phase signal waveform and quadrature signal waveform based on the partial in-phase signal waveform and the partial quadrature waveform, having plural waveform selecting means and one unit each of the first and the second waveform generating means corresponding to each of the waveform selecting means, respectively, and comprising a waveform synthesis means for generating the in-phase signal waveforms by adding all of the partial in-phase signal waveforms outputted by each waveform selecting means and for generating quadrature signal waveforms by adding all of the partial quadrature signal waveforms outputted by each waveform selecting means, with d as integers greater than or equal to 1, m as integers greater than or equal to 2, s as integers satisfying 1 ≦ s ≦ d , i as inegers satisfying 1 ≦ d ≦ s , and di (1 ≦ i ≦ s) as integers greater than or equal to 1 satisfying Expression (1) d1 + d2 + ... + di + .. + ds = d   (1) as inputs, a slot generating means which uses data strings takes in data less than or equal to m bits successively from the data strings every 1 symbol time to form the data pattern comprising the latest m x d bit data, divides the data patterns into d pieces of slots by separating them every m bits, outputs s pieces of the slots as the main slot and the remaining d-s pieces as sub slots, a selecting signal generating means for generating and outputting 1-bit selecting signals by using s pieces of the main slots as inputs and carrying out logical operation on each bit composing the main slot every each said main slot, and composing and outputting s-bit selecting signal series by arranging s pieces of selecting signals, an addressing signal generating means for using s pieces of the main slots and d - s pieces of sub slots as inputs, dividing the sub slots into s pieces of sub slot groups, designating the number of sub slots belonging to the i-th sub slot group as di - 1, and carrying out the first bit operation and the second bit operation on m x di bits comprising the i-th main slot and the i-th sub slot groups for all "i"s and forming the m x di - 1 bit first addressing pattern and m x di - 1 bit second addressing pattern, and generating and outputting s pieces of first addressing signals and s pieces of second addressing signals based on the first addressing pattern and the second addressing pattern, wherein there are s pieces of the first waveform generating means, s pieces of the second waveform generating means and s pieces of waveform selecting means, and the i-th first waveform generating means has memory which holds 2^(m x di - 1) types of pulse waveforms for one symbol time, and reads out one type of pulse waveform for every one symbol time from the memory based on the i-th first addressing signal in the first addressing signal series, and outputs it as the i-th first waveform, and the i-th second waveform generating means has memory which holds 2^(m x di - 1) types of pulse waveforms for one symol times, and reads out one type of pulse waveform for every one symbol time from the memory based on the i-th second addressing signal in the second addressing signal series, and outputs it as the i-th second waveform, and the i-th waveform selecting means determines which should be designated as the partial in-phase signal waveforms, the i-th first waveform or the i-th second waveform, in accordance with the i-th selecting signals in the selecting signal series.
Claim 40
Dependent Claim 33 words
A waveform shaping equipment according to Claim 38 wherein the selecting signal generating means generates selecting signals by taking EX-OR (exclusive OR) of the data 2bits from the head of the main slot.
Claim 41
Dependent Claim 33 words
A waveform shaping equipment according to Claim 39 wherein the selecting signal generating means generates selecting signals by taking EX-OR (exclusive OR) of the data 2bits from the head of the main slot.
Claim 42
Dependent Claim 130 words
A waveform shaping equipment according to Claim 38 wherein in the addressing signal generating means, the i-th first bit operation is an operation to obtain the first addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the first conversion of m(di - 1) bit for the i-th sub slot group to the first bit from the head of the i-th main slot, the i-th second bit operation is an operation to obtainthe second addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the second conversion of m(di - 1) bit for the i-th sub slot group to the second bit from the head of the i-th main slot.
Claim 43
Dependent Claim 131 words
A waveform shaping equipment according to Claim 39 wherein in the addressing signal generating means, the i-th first bit operation is an operation to obtain the first addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the first conversion of m(di - 1) bit for the i-th sub slot group to the first bit from the head of the i-th main slot, the i-th second bit operation is an operation to obtain the second addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the second conversion of m(di - 1) bit for the i-th sub slot group to the second bit from the head of the i-th main slot.
Claim 44
Dependent Claim 239 words
A waveform shaping equipment according to Claim 38 wherein in the addressing signal generating means, the i-th first bit operation is an operation to obtain the first addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the first conversion of m(di - 1) bit for the i-th sub slot group to the first bit from the head of the i-th main slot, the i-th second bit operation is an operation to obtain the second addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the second conversion of m(di - 1) bit for the i-th sub slot group to the second bit from the head of the i-th main slot, j is designated as integers satisfying 0 ≦ j ≦ m - 3 and the identification pattern composed by extracting m-j bit data continuously from the head of the main slot for each i with respect to relevant j is expressed with symbol P (i, j) and the 1-bit decoding symbol which is determined by whether the total of logic value "1" or logic value "0" of each bit contained in P(i, j) is even-number or odd-number is represented by symbol F(i, j), the i-th third bit operation is the operation to extract decoding patterns which are m-2 bit patterns with F(i, j) arranged in order of j.
Claim 45
Dependent Claim 239 words
A waveform shaping equipment according to Claim 39 wherein in the addressing signal generating means, the i-th first bit operation is an operation to obtain the first addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the first conversion of m(di - 1) bit for the i-th sub slot group to the first bit from the head of the i-th main slot, the i-th second bit operation is an operation to obtain the second addresing pattern by appending the results of the i-th third bit operation of of m-2 bits and the results of the second conversion of m(di - 1) bit for the i-th sub slot group to the second bit from the head of the i-th main slot, j is designated as integers satisfying 0 ≦ j ≦ m - 3 and the identification pattern composed by extracting m-j bit data continuously from the head of the main slot for each i with respect to relevant j is expressed with symbol P (i, j) and the 1-bit decoding symbol which is determined by whether the total of logic value "1" or logic value "0" of each bit contained in P(i, j) is even-number or odd-number is represented by symbol F(i, j), the i-th third bit operation is the operation to extract decoding patterns which are m-2 bit patterns with F(i, j) arranged in order of j.

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