AR045704A1 - ESTIMATION OF CHANNELS FOR COMMUNICATIONS SYSTEMS - Google Patents

ESTIMATION OF CHANNELS FOR COMMUNICATIONS SYSTEMS

Info

Publication number
AR045704A1
AR045704A1 ARP030103201A ARP030103201A AR045704A1 AR 045704 A1 AR045704 A1 AR 045704A1 AR P030103201 A ARP030103201 A AR P030103201A AR P030103201 A ARP030103201 A AR P030103201A AR 045704 A1 AR045704 A1 AR 045704A1
Authority
AR
Argentina
Prior art keywords
channels
estimation
communications systems
decoded
channel estimates
Prior art date
Application number
ARP030103201A
Other languages
Spanish (es)
Inventor
Alok Gupta
Rajiv Vijayan
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 AR045704A1 publication Critical patent/AR045704A1/en

Links

Abstract

Se revela una estimación mejorada de los canales. En una forma de realización, la estimación inicial de los canales es llevada a cabo mediante la utilización de una secuencia de datos de entrenamiento conocidos. El paquete de datos recibido es demodulado en base a las estimaciones iniciales de los canales, desentrelazado y decodificado. Los datos decodificados son recodificados, entrelazados y modulados para generar símbolos de entrenamiento adicionales para actualizar las estimaciones de los canales a lo largo del paquete de datos recibido.An improved estimate of the channels is revealed. In one embodiment, the initial estimation of the channels is carried out by using a sequence of known training data. The received data packet is demodulated based on initial channel estimates, deinterlaced and decoded. Decoded data is recoded, interlaced and modulated to generate additional training symbols to update channel estimates throughout the received data packet.

ARP030103201A 2002-09-04 2003-09-03 ESTIMATION OF CHANNELS FOR COMMUNICATIONS SYSTEMS AR045704A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40896802P 2002-09-04 2002-09-04

Publications (1)

Publication Number Publication Date
AR045704A1 true AR045704A1 (en) 2005-11-09

Family

ID=35306432

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030103201A AR045704A1 (en) 2002-09-04 2003-09-03 ESTIMATION OF CHANNELS FOR COMMUNICATIONS SYSTEMS

Country Status (3)

Country Link
CN (1) CN1689243A (en)
AR (1) AR045704A1 (en)
TW (1) TW200419947A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3989512B2 (en) * 2005-09-15 2007-10-10 三洋電機株式会社 Wireless device
CN101047678B (en) * 2006-04-14 2011-03-30 华为技术有限公司 Channel estimating method and device for orthogonal frequency division multiplex system
CN103581067A (en) * 2012-08-02 2014-02-12 中兴通讯股份有限公司 Wireless communication channel estimation method and device thereof
US10581554B2 (en) * 2017-01-13 2020-03-03 Dolby Laboratories Licensing Corporation Systems and methods to generate copies of data for transmission over multiple communication channels
CN108600125B (en) * 2017-06-20 2021-06-08 杭州电子科技大学 Channel estimation method based on iteration

Also Published As

Publication number Publication date
CN1689243A (en) 2005-10-26
TW200419947A (en) 2004-10-01

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