CA2618978C - Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes - Google Patents

Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes Download PDF

Info

Publication number
CA2618978C
CA2618978C CA002618978A CA2618978A CA2618978C CA 2618978 C CA2618978 C CA 2618978C CA 002618978 A CA002618978 A CA 002618978A CA 2618978 A CA2618978 A CA 2618978A CA 2618978 C CA2618978 C CA 2618978C
Authority
CA
Canada
Prior art keywords
signal
filter
channel
impulse response
fir
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002618978A
Other languages
English (en)
Other versions
CA2618978A1 (fr
Inventor
Zoltan Kemenczy
Huan Wu
Sean Simmons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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
Priority claimed from CA002516910A external-priority patent/CA2516910A1/fr
Application filed by Research in Motion Ltd filed Critical Research in Motion Ltd
Priority to CA002618978A priority Critical patent/CA2618978C/fr
Publication of CA2618978A1 publication Critical patent/CA2618978A1/fr
Application granted granted Critical
Publication of CA2618978C publication Critical patent/CA2618978C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03305—Joint sequence estimation and interference removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Noise Elimination (AREA)
CA002618978A 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes Expired - Fee Related CA2618978C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002618978A CA2618978C (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA2,516,910 2005-08-23
CA002516910A CA2516910A1 (fr) 2005-08-23 2005-08-23 Techniques de demodulation conjointe eliminant le brouillage
CA002618978A CA2618978C (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
PCT/CA2006/001378 WO2007022626A1 (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes

Publications (2)

Publication Number Publication Date
CA2618978A1 CA2618978A1 (fr) 2007-03-01
CA2618978C true CA2618978C (fr) 2009-06-23

Family

ID=39153771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002618978A Expired - Fee Related CA2618978C (fr) 2005-08-23 2006-08-23 Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes

Country Status (1)

Country Link
CA (1) CA2618978C (fr)

Also Published As

Publication number Publication date
CA2618978A1 (fr) 2007-03-01

Similar Documents

Publication Publication Date Title
AU2006284391B2 (en) Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
US7894559B2 (en) Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
KR100377040B1 (ko) 반복 채널 추정
JP4874980B2 (ja) 反復的な前進−後進パラメータ推定
EP1569399A1 (fr) Récepteur à rejet d'interférence d'antenne simple pour un système GSM avec un retour de décision amélioré
US7940872B2 (en) Joint demodulation filter for co-channel interference reduction and related methods
KR100914945B1 (ko) 간섭 소거를 위한 공동 시공간 최적 필터
EP0954143A1 (fr) Estimation de canal itérative
CA2618978C (fr) Dispositif de communications hertziennes a filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
KR101035307B1 (ko) 적어도 하나의 안테나, 적어도 하나의 채널, 및 공동 필터가중치 및 ｃｉｒ 추정을 갖는 공동 시공간 최적 필터
KR20080036223A (ko) 촐레스키 및 고유값 분해를 사용하는 공동 시공간 최적필터를 포함하는 무선 통신 디바이스
CA2618981A1 (fr) Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes
KR20080043351A (ko) 간섭 소거를 위한 공동 시공간 최적 필터
EP1475933A1 (fr) Procédé de suppression d'interférence avec estimation itérative, semi-aveugle de canal
EP1475931A1 (fr) Méthode et appareil de la itératif d'estimation des coéfficients de canal ou de filtrage
Krueger et al. The training sequence code dependence of EDGE receivers using zero IF sampling
KR20080036220A (ko) 적어도 하나의 안테나, 적어도 하나의 채널, 및 공동 필터가중치 및 ｃｉｒ 추정을 갖는 공동 시공간 최적 필터
WO2007112585A1 (fr) Procédé et récepteur permettant d'estimer la réponse impulsionnelle de canal au moyen d'une itération de suppression d'interférence de module constant
KR20080036219A (ko) 촐레스키 및 고유값 분해를 사용한 공동 시공간 최적 필터
KR20080043352A (ko) 특이값 분해를 사용한 공동 시공간 최적 필터
KR20080034044A (ko) 특이값 분해를 사용하는 공동 시공간 최적 필터를 포함하는무선 통신 디바이스
KR20080034209A (ko) Ｑｒ 및 고유값 분해를 사용한 공동 시공간 최적 필터

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160823