NO993127L - Frekvensbåndfordeling av forover- og returkanaler med forskjellig båndbredde - Google Patents
Frekvensbåndfordeling av forover- og returkanaler med forskjellig båndbreddeInfo
- Publication number
- NO993127L NO993127L NO993127A NO993127A NO993127L NO 993127 L NO993127 L NO 993127L NO 993127 A NO993127 A NO 993127A NO 993127 A NO993127 A NO 993127A NO 993127 L NO993127 L NO 993127L
- Authority
- NO
- Norway
- Prior art keywords
- interference
- signals
- return
- channel
- different bandwidth
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/12—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
- H04L27/3827—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using only the demodulated baseband signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Sampling And Sample Adjustment (AREA)
- Threshing Machine Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/774,142 US5987069A (en) | 1996-12-24 | 1996-12-24 | Method and apparatus for variably allocating upstream and downstream communication spectra |
PCT/US1997/024196 WO1998028868A1 (fr) | 1996-12-24 | 1997-12-24 | Procede et dispositif pour l'attribution variable de spectres de communication d'amont et d'aval |
Publications (2)
Publication Number | Publication Date |
---|---|
NO993127D0 NO993127D0 (no) | 1999-06-23 |
NO993127L true NO993127L (no) | 1999-08-17 |
Family
ID=25100361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO993127A NO993127L (no) | 1996-12-24 | 1999-06-23 | Frekvensbåndfordeling av forover- og returkanaler med forskjellig båndbredde |
Country Status (9)
Country | Link |
---|---|
US (2) | US5987069A (fr) |
EP (1) | EP0956667A1 (fr) |
JP (1) | JP2001508254A (fr) |
KR (1) | KR20000069610A (fr) |
AU (1) | AU5728198A (fr) |
CA (1) | CA2274715A1 (fr) |
IL (1) | IL130265A0 (fr) |
NO (1) | NO993127L (fr) |
WO (1) | WO1998028868A1 (fr) |
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FR2739239B1 (fr) * | 1995-09-27 | 1997-11-14 | Alcatel Telspace | Dispositif de correction d'un defaut de quadrature d'un modulateur en quadrature et/ou d'un demodulateur d'un signal a pluralite d'etats de phase, emetteur et recepteur correspondants |
US5710766A (en) * | 1995-12-26 | 1998-01-20 | Motorola, Inc. | Method and apparatus for sharing a common bandwidth between two protocols in a radio communication system |
US5694440A (en) * | 1996-01-02 | 1997-12-02 | Motorola, Inc. | Data synchronizer lock detector and method of operation thereof |
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
-
1996
- 1996-12-24 US US08/774,142 patent/US5987069A/en not_active Expired - Fee Related
-
1997
- 1997-12-24 AU AU57281/98A patent/AU5728198A/en not_active Abandoned
- 1997-12-24 JP JP52910998A patent/JP2001508254A/ja active Pending
- 1997-12-24 IL IL13026597A patent/IL130265A0/xx unknown
- 1997-12-24 EP EP97953557A patent/EP0956667A1/fr not_active Withdrawn
- 1997-12-24 CA CA002274715A patent/CA2274715A1/fr not_active Abandoned
- 1997-12-24 WO PCT/US1997/024196 patent/WO1998028868A1/fr not_active Application Discontinuation
- 1997-12-24 KR KR1019997005606A patent/KR20000069610A/ko not_active Application Discontinuation
- 1997-12-24 US US08/998,237 patent/US6167095A/en not_active Expired - Fee Related
-
1999
- 1999-06-23 NO NO993127A patent/NO993127L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU5728198A (en) | 1998-07-17 |
IL130265A0 (en) | 2000-06-01 |
US6167095A (en) | 2000-12-26 |
EP0956667A1 (fr) | 1999-11-17 |
WO1998028868A1 (fr) | 1998-07-02 |
JP2001508254A (ja) | 2001-06-19 |
CA2274715A1 (fr) | 1998-07-02 |
NO993127D0 (no) | 1999-06-23 |
KR20000069610A (ko) | 2000-11-25 |
US5987069A (en) | 1999-11-16 |
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