IT1282552B1 - Commutazione senza errori con predittore adattabile e procedimento per la sua attuazione - Google Patents
Commutazione senza errori con predittore adattabile e procedimento per la sua attuazioneInfo
- Publication number
- IT1282552B1 IT1282552B1 IT96MI000881A ITMI960881A IT1282552B1 IT 1282552 B1 IT1282552 B1 IT 1282552B1 IT 96MI000881 A IT96MI000881 A IT 96MI000881A IT MI960881 A ITMI960881 A IT MI960881A IT 1282552 B1 IT1282552 B1 IT 1282552B1
- Authority
- IT
- Italy
- Prior art keywords
- signal
- signal path
- time period
- switching
- errors
- Prior art date
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
- H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
- H04B7/082—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection selecting best antenna path
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/435,873 US5742646A (en) | 1995-05-05 | 1995-05-05 | Method of selecting and switching signal paths in a digital communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI960881A0 ITMI960881A0 (it) | 1996-05-03 |
ITMI960881A1 ITMI960881A1 (it) | 1997-11-03 |
IT1282552B1 true IT1282552B1 (it) | 1998-03-27 |
Family
ID=23730171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96MI000881A IT1282552B1 (it) | 1995-05-05 | 1996-05-03 | Commutazione senza errori con predittore adattabile e procedimento per la sua attuazione |
Country Status (4)
Country | Link |
---|---|
US (1) | US5742646A (it) |
JP (1) | JPH0923218A (it) |
IT (1) | IT1282552B1 (it) |
NO (1) | NO317835B1 (it) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6580720B1 (en) * | 1998-09-18 | 2003-06-17 | The United States Of America As Represented By The Secretary Of The Navy | Latency verification system within a multi-interface point-to-point switching system (MIPPSS) |
US6580692B1 (en) * | 1998-09-18 | 2003-06-17 | The United States Of America As Represented By The Secretary Of The Navy | Dynamic switch path verification system within a multi-interface point-to-point switching system (MIPPSS) |
JP3852736B2 (ja) * | 2000-02-23 | 2006-12-06 | 株式会社エヌ・ティ・ティ・ドコモ | 受信信号合成方法、システム、無線受信局及び受信局 |
US6745017B2 (en) * | 2001-05-02 | 2004-06-01 | Koninklijke Philips Electronics N.V. | Timing recovery switching for an adaptive digital broadband beamforming (antenna diversity) for ATSC terrestrial DTV based on a differentiator |
US6763229B2 (en) * | 2001-05-02 | 2004-07-13 | Koninklijke Philips Electronics N.V. | Timing recovery switching for an adaptive digital broadband beamforming (antenna diversity) for ATSC terrestrial DTV based on segment sync detection |
FR2826527B1 (fr) * | 2001-06-25 | 2003-09-26 | Thomson Licensing Sa | Dispositif de reception equipe pour evaluer les performances des chemins par lesquels il recoit des signaux provenant d'une meme source et procede pour l'exploitation de ce dispositif |
FR2833435B1 (fr) * | 2001-12-06 | 2004-02-27 | Thomson Licensing Sa | Methode de selection de chemin de reception et dispositif de reception comprenant plusieurs chemins de reception |
US7274759B2 (en) * | 2001-12-21 | 2007-09-25 | Koninklijke Philips Electronics N.V. | Antenna switching based on a preamble MSE metric |
GB2406488A (en) * | 2003-09-29 | 2005-03-30 | Nokia Corp | Sigalling in a communications network |
EP1698113A2 (en) * | 2003-11-19 | 2006-09-06 | Honeywell International, Inc. | Relaying data in unsynchronous mode of braided ring networks |
US7580523B2 (en) * | 2004-01-16 | 2009-08-25 | The Directv Group, Inc. | Distribution of video content using client to host pairing of integrated receivers/decoders |
US20060200710A1 (en) * | 2005-03-04 | 2006-09-07 | Azea Networks, Ltd. | Bit error rate performance estimation and control |
US7613260B2 (en) | 2005-11-21 | 2009-11-03 | Provigent Ltd | Modem control using cross-polarization interference estimation |
US7796708B2 (en) * | 2006-03-29 | 2010-09-14 | Provigent Ltd. | Adaptive receiver loops with weighted decision-directed error |
US7643512B2 (en) | 2006-06-29 | 2010-01-05 | Provigent Ltd. | Cascaded links with adaptive coding and modulation |
US7580469B2 (en) * | 2006-07-06 | 2009-08-25 | Provigent Ltd | Communication link control using iterative code metrics |
US7668084B2 (en) * | 2006-09-29 | 2010-02-23 | Honeywell International Inc. | Systems and methods for fault-tolerant high integrity data propagation using a half-duplex braided ring network |
US7889683B2 (en) * | 2006-11-03 | 2011-02-15 | Honeywell International Inc. | Non-destructive media access resolution for asynchronous traffic in a half-duplex braided-ring |
US7839952B2 (en) * | 2006-12-05 | 2010-11-23 | Provigent Ltd | Data rate coordination in protected variable-rate links |
US7912094B2 (en) * | 2006-12-13 | 2011-03-22 | Honeywell International Inc. | Self-checking pair-based master/follower clock synchronization |
US7720136B2 (en) * | 2006-12-26 | 2010-05-18 | Provigent Ltd | Adaptive coding and modulation based on link performance prediction |
US8315574B2 (en) | 2007-04-13 | 2012-11-20 | Broadcom Corporation | Management of variable-rate communication links |
US7821938B2 (en) * | 2007-04-20 | 2010-10-26 | Provigent Ltd. | Adaptive coding and modulation for synchronous connections |
US8001445B2 (en) * | 2007-08-13 | 2011-08-16 | Provigent Ltd. | Protected communication link with improved protection indication |
US7778159B2 (en) * | 2007-09-27 | 2010-08-17 | Honeywell International Inc. | High-integrity self-test in a network having a braided-ring topology |
US8040985B2 (en) | 2007-10-09 | 2011-10-18 | Provigent Ltd | Decoding of forward error correction codes in the presence of phase noise |
GB2474180A (en) * | 2008-07-25 | 2011-04-06 | Smith International | PDC bit having split blades |
US9525638B2 (en) | 2013-10-15 | 2016-12-20 | Internap Corporation | Routing system for internet traffic |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4395772A (en) * | 1981-04-30 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Line protection switch controller |
JPS58202642A (ja) * | 1982-05-21 | 1983-11-25 | Nec Corp | スペ−スダイバ−シテイ受信装置 |
US4891812A (en) * | 1985-12-09 | 1990-01-02 | Motorola, Inc. | Method and apparatus for selecting a digital signal from a plurality of digital signals |
JPH084257B2 (ja) * | 1987-10-02 | 1996-01-17 | 日本電気株式会社 | (1+n)ヒットレス回線切替装置 |
US5329555A (en) * | 1992-09-09 | 1994-07-12 | Motorola, Inc. | Method and apparatus for antenna diversity in a wireless communication system |
US5513185A (en) * | 1992-11-23 | 1996-04-30 | At&T Corp. | Method and apparatus for transmission link error rate monitoring |
US5430769A (en) * | 1992-11-23 | 1995-07-04 | Motorola, Inc. | Method and apparatus for controlling switched antenna diversity systems |
US5446922A (en) * | 1992-12-21 | 1995-08-29 | Motorola, Inc. | Method and apparatus for switched diversity reception of a radio signal |
CA2116736C (en) * | 1993-03-05 | 1999-08-10 | Edward M. Roney, Iv | Decoder selection |
WO1995013579A1 (en) * | 1993-11-09 | 1995-05-18 | Advanced Techcom, Inc. | Reducing errors in digital communication |
US5481571A (en) * | 1993-11-12 | 1996-01-02 | Pacific Communication Sciences, Inc. | Method and apparatus for switching between radio frequency circuits |
US5499397A (en) * | 1994-05-02 | 1996-03-12 | Motorola, Inc. | Switched antenna diversity algorithm employing received signal strength, phase errors and recovered clock |
-
1995
- 1995-05-05 US US08/435,873 patent/US5742646A/en not_active Expired - Lifetime
-
1996
- 1996-04-24 NO NO19961626A patent/NO317835B1/no not_active IP Right Cessation
- 1996-05-03 IT IT96MI000881A patent/IT1282552B1/it active IP Right Grant
- 1996-05-07 JP JP8112774A patent/JPH0923218A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5742646A (en) | 1998-04-21 |
JPH0923218A (ja) | 1997-01-21 |
ITMI960881A0 (it) | 1996-05-03 |
NO961626L (no) | 1996-11-06 |
ITMI960881A1 (it) | 1997-11-03 |
NO961626D0 (no) | 1996-04-24 |
NO317835B1 (no) | 2004-12-20 |
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Legal Events
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0001 | Granted |