NO20050723L - Diversitetssoking og tildeling av demodulator i et tradlost kommunikasjonssystem - Google Patents

Diversitetssoking og tildeling av demodulator i et tradlost kommunikasjonssystem

Info

Publication number
NO20050723L
NO20050723L NO20050723A NO20050723A NO20050723L NO 20050723 L NO20050723 L NO 20050723L NO 20050723 A NO20050723 A NO 20050723A NO 20050723 A NO20050723 A NO 20050723A NO 20050723 L NO20050723 L NO 20050723L
Authority
NO
Norway
Prior art keywords
diversity
search
receiver
allocation
demodulator
Prior art date
Application number
NO20050723A
Other languages
English (en)
Norwegian (no)
Inventor
Fatih Ulupinar
Senthilkumar K Sundaram
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 NO20050723L publication Critical patent/NO20050723L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
NO20050723A 2002-07-11 2005-02-10 Diversitetssoking og tildeling av demodulator i et tradlost kommunikasjonssystem NO20050723L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/193,925 US7061971B2 (en) 2002-07-11 2002-07-11 Method and apparatus for diversity searching and demodulator assignment in a wireless communication system
PCT/US2003/021795 WO2004008655A1 (en) 2002-07-11 2003-07-10 Method and apparatus for diversity searching and demodulator assignment in a wireless communication system

Publications (1)

Publication Number Publication Date
NO20050723L true NO20050723L (no) 2005-04-11

Family

ID=30114633

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20050723A NO20050723L (no) 2002-07-11 2005-02-10 Diversitetssoking og tildeling av demodulator i et tradlost kommunikasjonssystem

Country Status (14)

Country Link
US (1) US7061971B2 (enExample)
EP (1) EP1535406A1 (enExample)
JP (2) JP4602763B2 (enExample)
KR (2) KR20110134947A (enExample)
CN (1) CN100373793C (enExample)
AU (1) AU2003249166B2 (enExample)
BR (1) BR0312569A (enExample)
CA (1) CA2492197A1 (enExample)
IL (1) IL166193A0 (enExample)
MX (1) MXPA05000471A (enExample)
NO (1) NO20050723L (enExample)
RU (1) RU2327280C2 (enExample)
TW (1) TWI323092B (enExample)
WO (1) WO2004008655A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7061971B2 (en) * 2002-07-11 2006-06-13 Qualcomm Incorporated Method and apparatus for diversity searching and demodulator assignment in a wireless communication system
US7902203B2 (en) * 2002-11-01 2011-03-08 Abbott Laboratories, Inc. Anti-infective agents
US7440491B2 (en) * 2003-01-16 2008-10-21 Texas Instruments Incorporated Ultra-wideband communications system devices
JP2005130188A (ja) * 2003-10-23 2005-05-19 Alps Electric Co Ltd 無線ネットワークカード
KR100630170B1 (ko) * 2004-09-17 2006-09-29 삼성전자주식회사 비동기 이동통신 시스템에서 단말기의 셀 별 복조 타이밍 관리 방법 및 장치
US8179834B2 (en) * 2004-11-19 2012-05-15 Samsung Electronics Co., Ltd. Method and apparatus for adapting downlink wireless transmission between beamforming and transmit diversity on a per mobile station basis
US7515876B2 (en) * 2005-05-03 2009-04-07 Agere Systems Inc. Rake receiver with time-shared fingers
WO2008011337A1 (en) * 2006-07-19 2008-01-24 Abbott Laboratories Hcv inhibitors
US8089961B2 (en) * 2007-12-07 2012-01-03 University Of Florida Research Foundation, Inc. Low power ternary content-addressable memory (TCAMs) for very large forwarding tables
US20100304744A1 (en) * 2009-05-29 2010-12-02 Qualcomm Incorporated Method and apparatus for performing searches with multiple receive diversity (rxd) search modes
US8224314B2 (en) * 2009-10-07 2012-07-17 Telefonaktiebolaget L M Ericsson (Publ) Reduced-complexity coordinated multipoint reception
US8705648B2 (en) * 2011-09-25 2014-04-22 Siano Mobile Silicon Ltd. Diversity schemes for 2-D encoded data
US20150381737A1 (en) * 2014-06-30 2015-12-31 Davra Networks Limited Gateway device and a gateway system for an internet-of-things environment

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5109390A (en) 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5933787A (en) * 1995-03-13 1999-08-03 Qualcomm Incorporated Method and apparatus for performing handoff between sectors of a common base station
US5889768A (en) * 1996-08-30 1999-03-30 Motorola, Inc. Method of and apparatus for pilot channel acquisition
US6345078B1 (en) * 1997-07-31 2002-02-05 Lucent Technologies Inc. Finger assignment system for a multiple finger receiver and method thereof
US5926503A (en) * 1997-08-27 1999-07-20 Motorola, Inc. DS-CDMA receiver and forward link diversity method
US6078611A (en) * 1997-09-16 2000-06-20 Motorola, Inc. Rake receiver and finger management method for spread spectrum communication
US6515977B2 (en) * 1997-11-05 2003-02-04 Lucent Technologies Inc. De-assigning signals from the fingers of a rake receiver
US6072807A (en) * 1997-12-09 2000-06-06 Lucent Technologies, Inc. Searching for signals to assign to the fingers of a rake receiver
US6269075B1 (en) * 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
RU2152131C1 (ru) * 1998-03-17 2000-06-27 Закрытое акционерное общество "Кодофон" Способ приема многолучевых сигналов
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
US6456849B1 (en) * 1998-07-31 2002-09-24 Nokia Corporation Apparatus and associated method, for allocating resources in a radio communication system to perform a communication service
US6333926B1 (en) * 1998-08-11 2001-12-25 Nortel Networks Limited Multiple user CDMA basestation modem
US6370183B1 (en) * 1998-10-26 2002-04-09 Nortel Networks Limited Predictive rake receiver for CDMA mobile radio systems
US6269239B1 (en) * 1998-12-11 2001-07-31 Nortel Networks Corporation System and method to combine power control commands during soft handoff in DS/CDMA cellular systems
US6363108B1 (en) 1999-03-31 2002-03-26 Qualcomm Inc. Programmable matched filter searcher
US6711420B1 (en) * 1999-09-15 2004-03-23 Qualcomm, Incorporated Modified finger assignment algorithm for high data rate calls
US7206580B2 (en) * 1999-11-04 2007-04-17 Qualcomm Incorporated Method and apparatus for performing handoff in a high speed communication system
US6526090B1 (en) * 1999-12-28 2003-02-25 Texas Instruments Incorporated Demodulation element assignment for a receiver capable of simultaneously demodulating multiple spread spectrum signals
US6795411B1 (en) * 2000-03-09 2004-09-21 Motorola, Inc. Method and apparatus for changing assignment of receiver fingers
US7061971B2 (en) * 2002-07-11 2006-06-13 Qualcomm Incorporated Method and apparatus for diversity searching and demodulator assignment in a wireless communication system

Also Published As

Publication number Publication date
KR101185864B1 (ko) 2012-09-25
JP2011010323A (ja) 2011-01-13
KR20110134947A (ko) 2011-12-15
HK1080630A1 (zh) 2006-04-28
CA2492197A1 (en) 2004-01-22
RU2327280C2 (ru) 2008-06-20
JP2005533440A (ja) 2005-11-04
CN100373793C (zh) 2008-03-05
IL166193A0 (en) 2006-01-15
CN1675850A (zh) 2005-09-28
BR0312569A (pt) 2005-06-28
EP1535406A1 (en) 2005-06-01
JP4602763B2 (ja) 2010-12-22
WO2004008655A1 (en) 2004-01-22
AU2003249166A1 (en) 2004-02-02
US20040008757A1 (en) 2004-01-15
KR20050017116A (ko) 2005-02-21
JP5086397B2 (ja) 2012-11-28
AU2003249166B2 (en) 2008-09-25
TWI323092B (en) 2010-04-01
RU2005103609A (ru) 2005-08-10
TW200412735A (en) 2004-07-16
MXPA05000471A (es) 2005-04-19
US7061971B2 (en) 2006-06-13

Similar Documents

Publication Publication Date Title
FI120282B (fi) Lineaarisen peittoalueen antennijärjestelmä CDMA-tietoliikennejärjestelmää varten
EP1003297B1 (en) Transmit diversity and reception equalization for radio links
WO2002001749A3 (en) Ofdm antenna diversity receiver
Zhang et al. Secrecy analysis of wireless-powered multi-antenna relaying system with nonlinear energy harvesters and imperfect CSI
NO20050723L (no) Diversitetssoking og tildeling av demodulator i et tradlost kommunikasjonssystem
AR070131A2 (es) Unidades inalambricas de transmision/recepcion (wtrus) y metodos para mitigar interferencias en comunicaciones inalambricas
CA2273295A1 (en) Combined interference cancellation and maximum likelihood decoding of space-time block codes
TW200731695A (en) Switching diversity in broadcast OFDM systems based on multiple receive antennas
CN110365385A (zh) 用于同时通信的天线切换设备、方法和系统
KR20100030631A (ko) 단거리 부스터 및 복수의 안테나로 증폭하는 방법
EP0332290A3 (en) Equaliser for radio receiver
JP2000503184A (ja) 携帯無線電話においてアンテナダイバーシティを提供する方法とその装置
WO2004075459A3 (en) Transmit diversity and separating multiple loopback signals
TW200943801A (en) System to improve signal quality in a mobile device
ATE321381T1 (de) System und verfahren zum senden und empfangen von informationen in einer mehrwegumgebung mit diversität
TW200503436A (en) Combined beamforming-diversity wireless fading channel demodulator using adapted sub-array group antennas, signal receiving system and method for mobile communications
CA2412018C (en) Apparatus and method using smart antenna in fdd wireless communication system
TW200635268A (en) Method for controlling diversity receivers in a wireless communication device
ATE498948T1 (de) Empfängervorrichtung, empfangsverfahren und drahtloses kommunikationssystem
CN102710306A (zh) 一种实现分集传输的方法、装置及网络侧设备
CN100433597C (zh) 智能天线收发分集方法和装置
US8199855B2 (en) Antenna diversity
MXPA04004196A (es) Sistema y metodo para mitigar el desvanecimiento de una senal en un receptor de radio.
AU5904500A (en) Method and apparatus for using frequency diversity to separate wireless communication signals
CN105137463B (zh) 一种基于卫星定位系统的协同分集定位方法

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application