NL194631B - Abonnee-eenheid voor het verwerken van communicatiesignalen in een draadloos telecommunicatiesysteem. - Google Patents
Abonnee-eenheid voor het verwerken van communicatiesignalen in een draadloos telecommunicatiesysteem.Info
- Publication number
- NL194631B NL194631B NL9700008A NL9700008A NL194631B NL 194631 B NL194631 B NL 194631B NL 9700008 A NL9700008 A NL 9700008A NL 9700008 A NL9700008 A NL 9700008A NL 194631 B NL194631 B NL 194631B
- Authority
- NL
- Netherlands
- Prior art keywords
- communication signals
- subscriber unit
- telecommunication system
- wireless telecommunication
- processing communication
- Prior art date
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
- H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03477—Tapped delay lines not time-recursive
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97193815A CN1215982A (zh) | 1997-01-08 | 1997-01-08 | 带止动单元的伸缩导轨 |
NL9700008A NL194631C (nl) | 1989-08-14 | 1997-08-26 | Abonnee-eenheid voor het verwerken van communicatiesignalen in een draadloos telecommunicatiesysteem. |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/394,497 US5008900A (en) | 1989-08-14 | 1989-08-14 | Subscriber unit for wireless digital subscriber communication system |
US39449789 | 1989-08-14 | ||
NL9001816 | 1990-08-13 | ||
NL9001816A NL193013C (nl) | 1989-08-14 | 1990-08-13 | Abonnee-eenheid voor een draadloos digitaal communicatiesysteem. |
NL9700008A NL194631C (nl) | 1989-08-14 | 1997-08-26 | Abonnee-eenheid voor het verwerken van communicatiesignalen in een draadloos telecommunicatiesysteem. |
NL9700008 | 1997-08-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL9700008A NL9700008A (nl) | 1997-12-01 |
NL194631B true NL194631B (nl) | 2002-05-01 |
NL194631C NL194631C (nl) | 2002-09-03 |
Family
ID=26646732
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9700007A NL194632C (nl) | 1989-08-14 | 1997-08-26 | Abonnee-eenheid voor een draadloos digitaal telefooncommunicatiesysteem. |
NL9700008A NL194631C (nl) | 1989-08-14 | 1997-08-26 | Abonnee-eenheid voor het verwerken van communicatiesignalen in een draadloos telecommunicatiesysteem. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9700007A NL194632C (nl) | 1989-08-14 | 1997-08-26 | Abonnee-eenheid voor een draadloos digitaal telefooncommunicatiesysteem. |
Country Status (1)
Country | Link |
---|---|
NL (2) | NL194632C (nl) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8505527D0 (en) * | 1985-03-04 | 1985-04-03 | Digital Equipment Corp | Digitally implemented modulators |
EP0235264A4 (en) * | 1985-09-03 | 1990-02-26 | Motorola Inc | DIGITAL RADIO RECEIVER. |
US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
-
1997
- 1997-08-26 NL NL9700007A patent/NL194632C/nl not_active IP Right Cessation
- 1997-08-26 NL NL9700008A patent/NL194631C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL9700008A (nl) | 1997-12-01 |
NL9700007A (nl) | 1997-12-01 |
NL194632B (nl) | 2002-05-01 |
NL194632C (nl) | 2002-09-03 |
NL194631C (nl) | 2002-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Lapsed because of reaching the maximum lifetime of a patent |
Effective date: 20100813 |