ATE545208T1 - Störungsschätzung in kodemultiplexvielfachzugriffssystemen unter verwendung von alternativen verwürfelungskoden - Google Patents

Störungsschätzung in kodemultiplexvielfachzugriffssystemen unter verwendung von alternativen verwürfelungskoden

Info

Publication number
ATE545208T1
ATE545208T1 AT04797499T AT04797499T ATE545208T1 AT E545208 T1 ATE545208 T1 AT E545208T1 AT 04797499 T AT04797499 T AT 04797499T AT 04797499 T AT04797499 T AT 04797499T AT E545208 T1 ATE545208 T1 AT E545208T1
Authority
AT
Austria
Prior art keywords
estimation
dpch
alternative
code
codes
Prior art date
Application number
AT04797499T
Other languages
English (en)
Inventor
Johan Nilsson
Torgny Palenius
Bengt Lindoff
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE545208T1 publication Critical patent/ATE545208T1/de

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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AT04797499T 2003-11-04 2004-11-01 Störungsschätzung in kodemultiplexvielfachzugriffssystemen unter verwendung von alternativen verwürfelungskoden ATE545208T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/700,855 US7822155B2 (en) 2003-11-04 2003-11-04 Interference estimation in CDMA systems using alternative scrambling codes
PCT/EP2004/012251 WO2005046073A1 (en) 2003-11-04 2004-11-01 Interference estimation in cdma systems using alternative scrambling codes

Publications (1)

Publication Number Publication Date
ATE545208T1 true ATE545208T1 (de) 2012-02-15

Family

ID=34551304

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04797499T ATE545208T1 (de) 2003-11-04 2004-11-01 Störungsschätzung in kodemultiplexvielfachzugriffssystemen unter verwendung von alternativen verwürfelungskoden

Country Status (5)

Country Link
US (1) US7822155B2 (de)
EP (1) EP1680868B1 (de)
JP (1) JP4557982B2 (de)
AT (1) ATE545208T1 (de)
WO (1) WO2005046073A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7303896B2 (en) 2002-02-25 2007-12-04 Genentech, Inc. Nucleic acid encoding novel type-1 cytokine receptor GLM-R
US7551597B2 (en) 2004-05-06 2009-06-23 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for fast downlink information of uplink out-of-synchronization
ATE474381T1 (de) * 2004-12-20 2010-07-15 Ericsson Telefon Ab L M Verfahren und vorrichtung zur sendeleistungsregelung
US7555074B2 (en) * 2005-02-01 2009-06-30 Telefonaktiebolaget L M Ericsson (Publ) Interference estimation in the presence of frequency errors
US7751510B2 (en) * 2005-07-26 2010-07-06 Qualcomm Incorporated Simplified channel and interference estimation with dedicated pilot tones for OFDMA
US8218517B2 (en) * 2006-02-28 2012-07-10 Broadcom Corporation Method and apparatus for dual frequency timing acquisition for compressed WCDMA communication networks
WO2007115704A1 (en) * 2006-04-12 2007-10-18 Telefonaktiebolaget L M Ericsson (Publ) Controlling a power level in a wireless communications system with different scrambling codes
US7706329B2 (en) * 2006-10-24 2010-04-27 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for compressed mode handling in a dual receiver user equipment (UE)
US7929591B2 (en) * 2006-10-25 2011-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for multiple scrambling code impairment compensation
US8094554B2 (en) * 2006-10-26 2012-01-10 Qualcomm Incorporated Compressed mode operation and power control with discontinuous transmission and/or reception
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
US8009777B2 (en) * 2007-06-15 2011-08-30 Icera, Inc. Processing data in a digital communications system
US8259599B2 (en) * 2008-02-13 2012-09-04 Qualcomm Incorporated Systems and methods for distributed beamforming based on carrier-to-caused interference
WO2011063567A1 (en) * 2009-11-27 2011-06-03 Qualcomm Incorporated Interference cancellation for non-orthogonal channel sets
US9319111B2 (en) * 2011-01-17 2016-04-19 Optis Wireless Technology, Llc Code allocation for uplink MIMO
US8792407B2 (en) 2012-02-21 2014-07-29 Qualcomm Incorporated Wireless communication device power reduction method and apparatus
WO2013127056A1 (en) * 2012-02-27 2013-09-06 Qualcomm Incorporated Estimation of interference power for secondary scrambling code
US9078266B2 (en) * 2012-10-11 2015-07-07 Qualcomm Incorporated Devices and methods for facilitating discontinuous transmission on access terminals
US9161308B2 (en) 2013-08-26 2015-10-13 Qualcomm Incorporated Devices and methods for facilitating autonomous discontinuous transmission in access terminals
EP4260528A1 (de) * 2020-12-14 2023-10-18 Telefonaktiebolaget LM Ericsson (publ) Transformation für kommunikationssymbole

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305349A (en) 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
CN1190088C (zh) * 1994-02-04 2005-02-16 Ntt移动通信网株式会社 移动通信系统及其无线电信道分配方法
FI99066C (fi) * 1995-01-31 1997-09-25 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä
US5852630A (en) * 1997-07-17 1998-12-22 Globespan Semiconductor, Inc. Method and apparatus for a RADSL transceiver warm start activation procedure with precoding
US6363104B1 (en) 1998-10-02 2002-03-26 Ericsson Inc. Method and apparatus for interference cancellation in a rake receiver
US6373878B1 (en) 1998-11-02 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Using a fast AGC as part of SIR calculation
JP2000261412A (ja) 1999-03-06 2000-09-22 Matsushita Electric Ind Co Ltd 干渉信号除去装置
US6922434B2 (en) 1999-10-19 2005-07-26 Ericsson Inc. Apparatus and methods for finger delay selection in RAKE receivers
EP1176730A1 (de) 2000-07-26 2002-01-30 Motorola, Inc. Störungsschätzung in einem Kommunikationssystem
CN1132357C (zh) 2000-08-21 2003-12-24 华为技术有限公司 一种信号干扰比的测量方法及装置
GB0031841D0 (en) * 2000-12-29 2001-02-14 Nokia Networks Oy Interference power estimation for adaptive antenna system
EP1386417B1 (de) 2001-04-24 2005-06-08 Nokia Corporation Verfahren und einrichtung zum abschätzen des störabstandes eines signals
EP1271982A1 (de) * 2001-06-19 2003-01-02 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren zur Zuteilung sekundärer Verschlüsselungscodes
US7010017B2 (en) * 2002-01-30 2006-03-07 Qualcomm Inc. Receiver noise estimation
US6888814B2 (en) 2002-02-20 2005-05-03 Interdigital Technology Corporation Code allocation based on cross code correlation
US20060154633A1 (en) * 2003-01-29 2006-07-13 Hai Wang Uplink sinr estimation
US7251497B2 (en) * 2003-12-31 2007-07-31 Infineon Technologies Ag Signal-to-interference ratio estimation for CDMA

Also Published As

Publication number Publication date
EP1680868A1 (de) 2006-07-19
EP1680868B1 (de) 2012-02-08
US7822155B2 (en) 2010-10-26
JP4557982B2 (ja) 2010-10-06
US20050094816A1 (en) 2005-05-05
WO2005046073A1 (en) 2005-05-19
JP2007510341A (ja) 2007-04-19

Similar Documents

Publication Publication Date Title
ATE545208T1 (de) Störungsschätzung in kodemultiplexvielfachzugriffssystemen unter verwendung von alternativen verwürfelungskoden
CA2278299A1 (en) Channel estimating apparatus, and cdma receiver and cdma transceiver each having the apparatus
CA2172370A1 (en) Method and apparatus for performing code acquisition in a cdma communications system
ATE471607T1 (de) Adaptiver schwellenwert zur hs-scch-teil 1- dekodierung
DK1201042T3 (da) Udbalancering af CDMA multipel tilgangsinterferens under anvendelse af signalestimering
BRPI0720513A2 (pt) Método e equipamento para processar sinais de sincronização primários e secundários para comunicação sem fio
AU6997798A (en) Multipath search processor for a spread spectrum multiple access communication system
WO2002033840A3 (en) Method and apparatus for canceling pilot interference in a cdma communication system
TW200420146A (en) Dynamic channelization code allocation
CA2302340A1 (en) Device and method for cancelling code interference in a cdma communication system
DE69906349D1 (de) Bewegungseinschätzer für eine cdma mobilstation
EP1549098A3 (de) Wirksames Verfahren zur dynamischen Verwaltung von HS-DSCH Kanalisierungs-Codes
AU4225400A (en) Channel estimation in a cdma wireless communication system
WO2007024931A3 (en) Reverse link power control for an ofdma system
GB0125504D0 (en) Method and arrangement for power control
DE60330405D1 (de) Verfahren und system zur sendeleistungsregelung
CA2348768A1 (en) Slotted mode code usage in a cellular communications system
NO20052279D0 (no) Dynamisk radiolinktilpasning ved interferens i cellebaserte systemer
WO2002043354A3 (en) Asymmetric orthogonal codes for wireless system receivers with multiplication-free correlators
EP1641161A4 (de) Verfahren zur erkennung eines orthogonal-code-cdma-signals
ATE490662T1 (de) Verfahren und gerät zur regelung des verstärkungspegels eines kommunikationskanals in einem cdma kommunikationssystem
NO20042164L (no) Effektregulering i en delt nedlinkkanal (DSCH)
MY130820A (en) Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
EP1435714A3 (de) Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem
DK1181783T4 (da) Fremgangsmåde til styring af effekt