CN103873108B - 通信设备 - Google Patents
通信设备 Download PDFInfo
- Publication number
- CN103873108B CN103873108B CN201310657231.5A CN201310657231A CN103873108B CN 103873108 B CN103873108 B CN 103873108B CN 201310657231 A CN201310657231 A CN 201310657231A CN 103873108 B CN103873108 B CN 103873108B
- Authority
- CN
- China
- Prior art keywords
- frequency
- unit
- signal
- shift amount
- doppler shift
- 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.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 60
- 238000005070 sampling Methods 0.000 claims abstract description 78
- 230000001427 coherent effect Effects 0.000 claims abstract description 47
- 238000004364 calculation method Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000007480 spreading Effects 0.000 claims abstract description 23
- 238000001228 spectrum Methods 0.000 claims abstract description 14
- 238000013519 translation Methods 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000009792 diffusion process Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 description 74
- 230000001360 synchronised effect Effects 0.000 description 60
- 238000000034 method Methods 0.000 description 33
- 230000008569 process Effects 0.000 description 31
- 239000013074 reference sample Substances 0.000 description 14
- 230000008859 change Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000002123 temporal effect Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 241000894007 species Species 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 206010016275 Fear Diseases 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZMRUPTIKESYGQW-UHFFFAOYSA-N propranolol hydrochloride Chemical compound [H+].[Cl-].C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 ZMRUPTIKESYGQW-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70728—Frequency aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012273560A JP5835203B2 (ja) | 2012-12-14 | 2012-12-14 | 通信装置 |
| JP2012-273560 | 2012-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103873108A CN103873108A (zh) | 2014-06-18 |
| CN103873108B true CN103873108B (zh) | 2017-01-18 |
Family
ID=50911280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310657231.5A Active CN103873108B (zh) | 2012-12-14 | 2013-12-06 | 通信设备 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9014235B2 (enExample) |
| JP (1) | JP5835203B2 (enExample) |
| CN (1) | CN103873108B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378323B (zh) * | 2014-12-03 | 2018-06-08 | 中国电子科技集团公司第五十四研究所 | 一种基于fft校频算法的低速调制解调器 |
| JP7136431B2 (ja) * | 2018-03-22 | 2022-09-13 | 国立大学法人 東京大学 | 通信システム、及び受信装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567480B1 (en) * | 1999-08-10 | 2003-05-20 | Lucent Technologies Inc. | Method and apparatus for sampling timing adjustment and frequency offset compensation |
| CN1472900A (zh) * | 2002-08-01 | 2004-02-04 | 上海交通大学 | 正交频分复用通信系统载波频率偏移估计方法 |
| CN101078758A (zh) * | 2007-06-29 | 2007-11-28 | 西安华迅微电子有限公司 | 一种gps接收机的多普勒频率补偿方法 |
| WO2012008338A1 (ja) * | 2010-07-14 | 2012-01-19 | ソニー株式会社 | 受信装置、受信方法、コンピュータプログラム及び携帯端末 |
| CN102608626A (zh) * | 2012-03-09 | 2012-07-25 | 暨南大学 | 一种高灵敏度卫星导航信号捕获方法及系统 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005204079A (ja) | 2004-01-15 | 2005-07-28 | Sony Corp | 受信方法及び装置 |
-
2012
- 2012-12-14 JP JP2012273560A patent/JP5835203B2/ja active Active
-
2013
- 2013-11-06 US US14/073,362 patent/US9014235B2/en not_active Expired - Fee Related
- 2013-12-06 CN CN201310657231.5A patent/CN103873108B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567480B1 (en) * | 1999-08-10 | 2003-05-20 | Lucent Technologies Inc. | Method and apparatus for sampling timing adjustment and frequency offset compensation |
| CN1472900A (zh) * | 2002-08-01 | 2004-02-04 | 上海交通大学 | 正交频分复用通信系统载波频率偏移估计方法 |
| CN101078758A (zh) * | 2007-06-29 | 2007-11-28 | 西安华迅微电子有限公司 | 一种gps接收机的多普勒频率补偿方法 |
| WO2012008338A1 (ja) * | 2010-07-14 | 2012-01-19 | ソニー株式会社 | 受信装置、受信方法、コンピュータプログラム及び携帯端末 |
| CN102608626A (zh) * | 2012-03-09 | 2012-07-25 | 暨南大学 | 一种高灵敏度卫星导航信号捕获方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140169413A1 (en) | 2014-06-19 |
| US9014235B2 (en) | 2015-04-21 |
| CN103873108A (zh) | 2014-06-18 |
| JP5835203B2 (ja) | 2015-12-24 |
| JP2014120863A (ja) | 2014-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101666869B (zh) | 微弱卫星导航信号二次捕获方法与装置 | |
| CN104536016B (zh) | 一种gnss新体制信号捕获装置及方法 | |
| US8369386B2 (en) | Receiver, signal processing method and program | |
| CN102375148B (zh) | 解决快速接收北斗卫星信号时接收机晶振频率偏移的方法 | |
| EP2727249B1 (en) | Systems and methods for integrating cellular and location detection functionality using a single crystal oscillator | |
| JP2003255040A (ja) | Ｇｐｓ受信機および受信方法 | |
| US20140125522A1 (en) | Method of generating correlation function with no side-peak and system for tracking binary offset carrier signal | |
| CN106526632B (zh) | 一种gnss捕获相干器和信号捕获方法 | |
| CN102928854A (zh) | 一种基于匹配滤波器的gps捕获单元设计方法 | |
| CN101650416B (zh) | Gps接收方法和装置及时钟校正方法 | |
| US20190277976A1 (en) | Low Power Minimal Rate Global Navigation Satellite System Signal Tracking System | |
| CN103873107B (zh) | 通信设备 | |
| CN101430373A (zh) | 全球定位系统接收机信号缺失下持续跟踪和定位方法 | |
| JP2003248043A (ja) | Ｇｐｓ受信機および受信方法 | |
| CN103873108B (zh) | 通信设备 | |
| JP4869022B2 (ja) | 衛星信号追尾装置及びそれを備えた衛星信号受信機 | |
| US8494094B2 (en) | Demodulation of data collected prior to bit edge detection | |
| CN106338748A (zh) | 基于卡尔曼滤波的gps接收机跟踪环路 | |
| Jianfeng et al. | Low C/N0 carrier tracking loop based on optimal estimation algorithm in GPS software receivers | |
| CN110456386A (zh) | 定位装置及方法、电子设备及服务器 | |
| Linty et al. | Code and frequency estimation in Galileo mass market receivers | |
| Chen et al. | Optimization of TT and C Carrier Tracking Loop in Dynamic Environments | |
| US20250251519A1 (en) | Processing a gnss signal to estimate signal characteristics | |
| Liu et al. | Tracking loops with time-varying sampling periods for the TH-CDMA signal | |
| JP2005331369A (ja) | Ｇｐｓ受信装置およびｇｐｓ受信装置における同期保持方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160909 Address after: Kanagawa, Japan Applicant after: SONY semiconductor solutions Address before: Tokyo, Japan Applicant before: Sony Corp |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |