JPS61169049A - デイジタル通信方式 - Google Patents
デイジタル通信方式Info
- Publication number
- JPS61169049A JPS61169049A JP1055585A JP1055585A JPS61169049A JP S61169049 A JPS61169049 A JP S61169049A JP 1055585 A JP1055585 A JP 1055585A JP 1055585 A JP1055585 A JP 1055585A JP S61169049 A JPS61169049 A JP S61169049A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- time slot
- binary information
- symbol
- dsk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 17
- 230000010363 phase shift Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 20
- 230000007704 transition Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2085—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states with more than one phase shift per symbol period
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1055585A JPS61169049A (ja) | 1985-01-22 | 1985-01-22 | デイジタル通信方式 |
US06/768,551 US4726038A (en) | 1985-01-22 | 1985-08-22 | Digital communication system |
CA000489287A CA1254622A (en) | 1985-01-22 | 1985-08-23 | Digital communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1055585A JPS61169049A (ja) | 1985-01-22 | 1985-01-22 | デイジタル通信方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61169049A true JPS61169049A (ja) | 1986-07-30 |
JPH0225306B2 JPH0225306B2 (enrdf_load_stackoverflow) | 1990-06-01 |
Family
ID=11753497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1055585A Granted JPS61169049A (ja) | 1985-01-22 | 1985-01-22 | デイジタル通信方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61169049A (enrdf_load_stackoverflow) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62193426A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62193425A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62193429A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62214743A (ja) * | 1986-03-14 | 1987-09-21 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JP2008536424A (ja) * | 2005-04-12 | 2008-09-04 | コミツサリア タ レネルジー アトミーク | 非同期変調及び非同期復調に基づく非接触式通信方法 |
-
1985
- 1985-01-22 JP JP1055585A patent/JPS61169049A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62193426A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62193425A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62193429A (ja) * | 1986-02-20 | 1987-08-25 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JPS62214743A (ja) * | 1986-03-14 | 1987-09-21 | Matsushita Electric Ind Co Ltd | デジタル信号伝送方法 |
JP2008536424A (ja) * | 2005-04-12 | 2008-09-04 | コミツサリア タ レネルジー アトミーク | 非同期変調及び非同期復調に基づく非接触式通信方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0225306B2 (enrdf_load_stackoverflow) | 1990-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5787123A (en) | Receiver for orthogonal frequency division multiplexed signals | |
EP0422467B1 (en) | HF high data rate modem | |
JP3224541B2 (ja) | データ信号多重処理の方法と装置 | |
EP0232626A2 (en) | Method of digital signal transmission having a low error rate in the presence of multipath transmission | |
US20060250942A1 (en) | Digital modulation system using modified orthogonal codes to reduce autocorrelation | |
DK166187B (da) | Digitalt kommunikationssystem | |
US8605813B2 (en) | Transmitter | |
US3984777A (en) | Carrier wave reproducer device for use in the reception of a multi-phase phase-modulated wave | |
JPS61169049A (ja) | デイジタル通信方式 | |
CN110011687B (zh) | 无线oqpsk通信系统以及相关的方法 | |
US4726038A (en) | Digital communication system | |
CN102404071B (zh) | 同步训练符号块编码调制方法和装置 | |
US7369624B2 (en) | Carrier suppression type modulator with encoded modulating signals | |
JPH0222583B2 (enrdf_load_stackoverflow) | ||
JPH0697914A (ja) | 時間ダイバーシチスペクトル拡散通信方式 | |
JPS63260245A (ja) | デイジタル信号伝送方法 | |
JP2754414B2 (ja) | ダイバーシティ受信回路 | |
JPS63260244A (ja) | デイジタル信号伝送方法 | |
JP3531823B2 (ja) | 直交周波数分割多重信号の送受信システム及び直交周波数分割多重信号の送受信方法 | |
JP3531825B2 (ja) | 直交周波数分割多重信号の送受信システム及び直交周波数分割多重信号の送受信方法 | |
JP2890936B2 (ja) | ワード同期方式 | |
JP3531822B2 (ja) | 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法 | |
FI96556C (fi) | Digitaalinen liikennelaite ja -menetelmä | |
JP3818528B2 (ja) | 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法 | |
JP3531829B2 (ja) | 直交周波数分割多重信号の送受信システム及び直交周波数分割多重信号の送受信方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |