MX9704019A - Metodo y aparato para probar un canal de comunicacion digital. - Google Patents

Metodo y aparato para probar un canal de comunicacion digital.

Info

Publication number
MX9704019A
MX9704019A MX9704019A MX9704019A MX9704019A MX 9704019 A MX9704019 A MX 9704019A MX 9704019 A MX9704019 A MX 9704019A MX 9704019 A MX9704019 A MX 9704019A MX 9704019 A MX9704019 A MX 9704019A
Authority
MX
Mexico
Prior art keywords
test sequence
digital data
communication channel
data
digital
Prior art date
Application number
MX9704019A
Other languages
English (en)
Other versions
MXPA97004019A (es
Inventor
Edward G Tiedemann Jr
Yu-Cheun Jou
Lindsay A Weaver Jr
Gwain Bayley
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of MX9704019A publication Critical patent/MX9704019A/es
Publication of MXPA97004019A publication Critical patent/MXPA97004019A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • H04L1/241Testing correct operation using pseudo-errors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • H04L1/242Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0034Correction of carrier offset using hypothesis testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

Un sistema y un método para probar la calidad de transmision de la señal dentro de un sistema de comunicacion digital. En la estacion de transmision (16) se genera una secuencia de prueba de datos digitales por parte del circuito (33) de generacion de datos de prueba y se transmite entonces mediante el modulador de transmision (30), sobre el canal de comunicacion, en donde es recibida por el receptor (40) en la estacion receptora (12). En la estacion receptora (12) se genera una réplica de la secuencia de prueba de datos digitales por parte del circuito (50) de replicacion de datos de prueba. La precision de la transmision sobre el canal de comunicacion se determina entonces comparando en un comparador (49) la réplica de la secuencia de prueba de datos digitales con la secuencia de prueba recibida de los datos.
MXPA/A/1997/004019A 1994-11-30 1997-05-30 Metodo y aparato para probar un canal decomunicacion digital MXPA97004019A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/347,526 US5802105A (en) 1994-11-30 1994-11-30 Method and apparatus for testing a digital communication channel
US08347526 1994-11-30
PCT/US1995/015534 WO1996017454A1 (en) 1994-11-30 1995-11-29 Method and apparatus for testing a digital communication channel at variable or fixed data rates

Publications (2)

Publication Number Publication Date
MX9704019A true MX9704019A (es) 1997-09-30
MXPA97004019A MXPA97004019A (es) 1998-07-03

Family

ID=

Also Published As

Publication number Publication date
CA2206251C (en) 2005-06-07
FI972208A (fi) 1997-07-28
ATE355668T1 (de) 2006-03-15
HK1005282A1 (en) 1998-12-31
TW285795B (es) 1996-09-11
ZA9510109B (en) 1996-06-06
IL116183A (en) 2003-11-23
IL116183A0 (en) 1996-01-31
DE69535410D1 (de) 2007-04-12
JPH10510121A (ja) 1998-09-29
JP3388752B2 (ja) 2003-03-24
US5802105A (en) 1998-09-01
AU4371196A (en) 1996-06-19
FI118913B (fi) 2008-04-30
BR9510001A (pt) 1998-01-13
FI120377B (fi) 2009-09-30
RU2142197C1 (ru) 1999-11-27
AR000234A1 (es) 1997-05-28
DE69535410T2 (de) 2007-12-06
AU706824B2 (en) 1999-06-24
CN1160895C (zh) 2004-08-04
CA2206251A1 (en) 1996-06-06
ES2282996T3 (es) 2007-10-16
KR100396363B1 (ko) 2003-11-28
EP0806101A1 (en) 1997-11-12
FI20080081A (fi) 2008-02-04
CN1174640A (zh) 1998-02-25
EP0806101B1 (en) 2007-02-28
KR980700749A (ko) 1998-03-30
EP1780928A1 (en) 2007-05-02
WO1996017454A1 (en) 1996-06-06
FI972208A0 (fi) 1997-05-23

Similar Documents

Publication Publication Date Title
CA2206251A1 (en) Method and apparatus for testing a digital communication channel at variable or fixed data rates
EP1223780A3 (en) Method and apparatus for providing high speed data communication in a cellular environment
MY115021A (en) Method and apparatus for determining signal strength in a variable data rate system
TW326114B (en) Method and apparatus for interference rejection with different beams, polarizations and phase references the invention relates to a method and apparatus for mitigating the deleterious effects of fading, time dispersion and interference in a radio communication system.
US4581767A (en) Measurement of jamming effectiveness by cross correlation techniques (C)
FI20040983A (fi) Menetelmä ja laitteisto aikaherkän viestin tuottamiseksi säädettävää viivekanavaa pitkin
TW341015B (en) Apparatus and method for securing communication based on channel characteristics
ATE206575T1 (de) Verfahren und vorrichtung zur simulation der benutzerinterferenz in einem spreizspektrum- kommunikationssystem
MY131653A (en) A method and apparatus for testing a base station in a time division multiple access radio communications system
TW349301B (en) Methods for generating side information in the presence of time-selective fading
PT1673881E (pt) Método e aparelho para ensaiar redes ópticas
JPS56136058A (en) Method and device for transmitting secret data between transmitter and receiver
HUP0004241A2 (hu) Helymeghatározó rendszer digitális telefonhálózatokhoz, helymeghatározó rendszert tartalmazó digitális telefonhálózat, kézibeszélő ilyen digitális telefonhálózathoz és eljárás mobil vevőkészülék helyének meghatározására
FI954053A (fi) Yhteyden laadun estimointimenetelmä ja vastaanotin
CA2148340A1 (en) Method and apparatus for automatically and reproducibly rating the transmission quality of a speech transmission system
NO971545L (no) Signaldeteksjon i et TDMA-system
NO960118L (no) Styring av overlevering og styring av sende-effekt for mobilstasjon i et mobiltelekommunikasjonssystem
ATE348469T1 (de) Verfahren für digitale spreizspektrum- kommunikation durch modulation mit golay- komplementärsequenzen
DE69610616D1 (de) Verfahren und vorrichtung zum schnellen frequenzwechsel in einem kommunikationssystem
NO960979L (no) Fremgangsmåte og apparat for taleoverföring i et mobilkommunikasjonssystem
FI97660B (fi) Menetelmä radiojärjestelmän tukiasemaympäristön häiriötason mittaamiseksi, sekä solukkoradiojärjestelmä
AU2004310536A1 (en) Signal interference measurement
WO1997013378A3 (en) Apparatus and method for determining and using channel state information
TW428380B (en) Method and device for performing a quality assessment
JPS5429504A (en) Simultaneous service system for audio and date communication