GB2409604B - Method and apparatus for recovering timing in packet based wireless network. - Google Patents
Method and apparatus for recovering timing in packet based wireless network.Info
- Publication number
- GB2409604B GB2409604B GB0329685A GB0329685A GB2409604B GB 2409604 B GB2409604 B GB 2409604B GB 0329685 A GB0329685 A GB 0329685A GB 0329685 A GB0329685 A GB 0329685A GB 2409604 B GB2409604 B GB 2409604B
- Authority
- GB
- United Kingdom
- Prior art keywords
- wireless network
- packet based
- based wireless
- recovering timing
- recovering
- 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.)
- Expired - Fee Related
Links
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
- H04L27/20—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
- H04L27/2075—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 in which the data are represented by the change in carrier phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0502378A GB2409612B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless networks |
GB0329685A GB2409604B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless network. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0329685A GB2409604B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless network. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0329685D0 GB0329685D0 (en) | 2004-01-28 |
GB2409604A GB2409604A (en) | 2005-06-29 |
GB2409604B true GB2409604B (en) | 2006-02-08 |
Family
ID=30776266
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0329685A Expired - Fee Related GB2409604B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless network. |
GB0502378A Expired - Fee Related GB2409612B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless networks |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0502378A Expired - Fee Related GB2409612B (en) | 2003-12-22 | 2003-12-22 | Method and apparatus for recovering timing in packet based wireless networks |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2409604B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246036A (en) * | 1990-06-26 | 1992-01-15 | Nec Corp | Clock recovery circuit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687198A (en) * | 1996-01-04 | 1997-11-11 | Motorola, Inc. | Channel estimation in a communication system |
-
2003
- 2003-12-22 GB GB0329685A patent/GB2409604B/en not_active Expired - Fee Related
- 2003-12-22 GB GB0502378A patent/GB2409612B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246036A (en) * | 1990-06-26 | 1992-01-15 | Nec Corp | Clock recovery circuit |
Also Published As
Publication number | Publication date |
---|---|
GB2409604A (en) | 2005-06-29 |
GB0329685D0 (en) | 2004-01-28 |
GB2409612A (en) | 2005-06-29 |
GB2409612B (en) | 2006-08-23 |
GB0502378D0 (en) | 2005-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20141222 |