GB8723463D0 - Spread spectrum receiver - Google Patents
Spread spectrum receiverInfo
- Publication number
- GB8723463D0 GB8723463D0 GB878723463A GB8723463A GB8723463D0 GB 8723463 D0 GB8723463 D0 GB 8723463D0 GB 878723463 A GB878723463 A GB 878723463A GB 8723463 A GB8723463 A GB 8723463A GB 8723463 D0 GB8723463 D0 GB 8723463D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- spread spectrum
- spectrum receiver
- receiver
- spread
- spectrum
- 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.)
- Withdrawn
Links
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
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- 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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8723463A GB2210739A (en) | 1987-10-06 | 1987-10-06 | Spread spectrum receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8723463A GB2210739A (en) | 1987-10-06 | 1987-10-06 | Spread spectrum receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8723463D0 true GB8723463D0 (en) | 1987-11-11 |
GB2210739A GB2210739A (en) | 1989-06-14 |
Family
ID=10624875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8723463A Withdrawn GB2210739A (en) | 1987-10-06 | 1987-10-06 | Spread spectrum receiver |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2210739A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2692434B2 (en) * | 1991-02-22 | 1997-12-17 | 三菱電機株式会社 | Spread spectrum demodulator |
GB2292053B (en) * | 1994-07-28 | 1998-08-26 | Roke Manor Research | Synchronisation apparatus |
JP3581448B2 (en) * | 1994-10-21 | 2004-10-27 | キヤノン株式会社 | Spread spectrum communication equipment |
GB2345421B (en) * | 1998-12-23 | 2004-05-26 | Symbionics Limted | A direct-sequence spread-sprectrum receiver |
US6301311B1 (en) * | 1999-02-10 | 2001-10-09 | Anritsu Company | Non-coherent, non-data-aided pseudo-noise synchronization and carrier synchronization for QPSK or OQPSK modulated CDMA system |
US6735242B1 (en) * | 1999-08-30 | 2004-05-11 | Nokia Corporation | Time tracking loop for pilot aided direct sequence spread spectrum systems |
CN102621563B (en) * | 2012-03-20 | 2013-09-18 | 东南大学 | GPS (global positioning system) software receiver signal tracking method based on FPGA (field programmable gate array) and system of GPS software receiver signal tracking method |
-
1987
- 1987-10-06 GB GB8723463A patent/GB2210739A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2210739A (en) | 1989-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |