FI943605A - Menetelmä etenemisteiden valitsemiseksi, jotka on varatttu vastaanottosanomille, jotka on lähetetty CDMA-radioliikenteellä - Google Patents
Menetelmä etenemisteiden valitsemiseksi, jotka on varatttu vastaanottosanomille, jotka on lähetetty CDMA-radioliikenteellä Download PDFInfo
- Publication number
- FI943605A FI943605A FI943605A FI943605A FI943605A FI 943605 A FI943605 A FI 943605A FI 943605 A FI943605 A FI 943605A FI 943605 A FI943605 A FI 943605A FI 943605 A FI943605 A FI 943605A
- Authority
- FI
- Finland
- Prior art keywords
- walkways
- reserved
- selecting
- procedure
- messages transmitted
- Prior art date
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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9309958 | 1993-08-13 | ||
FR9309958A FR2709028B1 (fr) | 1993-08-13 | 1993-08-13 | Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC. |
Publications (3)
Publication Number | Publication Date |
---|---|
FI943605A0 FI943605A0 (fi) | 1994-08-03 |
FI943605A true FI943605A (fi) | 1995-02-14 |
FI109249B FI109249B (fi) | 2002-06-14 |
Family
ID=9450193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI943605A FI109249B (fi) | 1993-08-13 | 1994-08-03 | Menetelmä CDMA-radioliikenteessä lähetettyjen sanomien vastaanottoon käytettävien etenemisteiden valitsemiseksi |
Country Status (6)
Country | Link |
---|---|
US (1) | US5448600A (fi) |
EP (1) | EP0639010B1 (fi) |
DE (1) | DE69415611T2 (fi) |
ES (1) | ES2128523T3 (fi) |
FI (1) | FI109249B (fi) |
FR (1) | FR2709028B1 (fi) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07509831A (ja) * | 1993-06-02 | 1995-10-26 | ロウク マナー リサーチ リミテッド | 固定および移動無線ユニット間にディジタル無線リンクを提供する設備において使用される装置 |
FI110043B (fi) * | 1993-09-20 | 2002-11-15 | Nokia Corp | Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema |
US5787344A (en) | 1994-06-28 | 1998-07-28 | Scheinert; Stefan | Arrangements of base transceiver stations of an area-covering network |
US5574747A (en) * | 1995-01-04 | 1996-11-12 | Interdigital Technology Corporation | Spread spectrum adaptive power control system and method |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6801516B1 (en) | 1995-06-30 | 2004-10-05 | Interdigital Technology Corporation | Spread-spectrum system for assigning information signals having different data rates |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
FR2737362B1 (fr) * | 1995-07-25 | 1997-10-10 | Matra Communication | Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre |
US5754533A (en) * | 1995-08-23 | 1998-05-19 | Qualcomm Incorporated | Method and system for non-orthogonal noise energy based gain control |
FI100494B (fi) * | 1995-11-20 | 1997-12-15 | Nokia Telecommunications Oy | Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin |
JP2820919B2 (ja) * | 1996-03-25 | 1998-11-05 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | Cdma移動体通信システムおよび送受信機 |
JP3310160B2 (ja) * | 1996-03-29 | 2002-07-29 | 松下電器産業株式会社 | スペクトラム拡散方式受信装置 |
FI101659B (fi) * | 1996-07-12 | 1998-07-31 | Nokia Mobile Phones Ltd | Viiveen estimointimenetelmä ja vastaanotin |
US5953382A (en) * | 1996-07-17 | 1999-09-14 | Asano; Nobuo | CDMA system mobile communication receiver |
US6125109A (en) * | 1998-02-24 | 2000-09-26 | Repeater Technologies | Delay combiner system for CDMA repeaters and low noise amplifiers |
CA2298688C (en) * | 1998-06-13 | 2003-07-08 | Samsung Electronics Co., Ltd. | Device and method for measuring non-orthogonal noise power for cdma communication system |
US6141374A (en) * | 1998-10-14 | 2000-10-31 | Lucent Technologies Inc. | Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator |
US6442398B1 (en) | 1998-12-03 | 2002-08-27 | Qualcomm Incorporated | Method and apparatus for reverse link loading estimation |
US6192249B1 (en) | 1998-12-03 | 2001-02-20 | Qualcomm Inc. | Method and apparatus for reverse link loading estimation |
US6397070B1 (en) | 1999-07-21 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for estimating reverse link loading in a wireless communication system |
JP3566895B2 (ja) * | 2000-02-15 | 2004-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | 先頭波位置検出装置、受信装置、先頭位置検出装置、先頭波位置検出方法および先頭位置検出方法 |
US6954644B2 (en) | 2000-12-04 | 2005-10-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Using geographical coordinates to determine mobile station time position for synchronization during diversity handover |
US6907245B2 (en) | 2000-12-04 | 2005-06-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic offset threshold for diversity handover in telecommunications system |
US6980803B2 (en) * | 2000-12-04 | 2005-12-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Using statistically ascertained position for starting synchronization searcher during diversity handover |
US6771214B2 (en) | 2001-09-12 | 2004-08-03 | Data Fusion Corporation | GPS near-far resistant receiver |
US8085889B1 (en) | 2005-04-11 | 2011-12-27 | Rambus Inc. | Methods for managing alignment and latency in interference cancellation |
US7158559B2 (en) * | 2002-01-15 | 2007-01-02 | Tensor Comm, Inc. | Serial cancellation receiver design for a coded signal processing engine |
JP3831229B2 (ja) * | 2001-10-31 | 2006-10-11 | 富士通株式会社 | 伝搬路特性推定装置 |
US7394879B2 (en) * | 2001-11-19 | 2008-07-01 | Tensorcomm, Inc. | Systems and methods for parallel signal cancellation |
US7260506B2 (en) * | 2001-11-19 | 2007-08-21 | Tensorcomm, Inc. | Orthogonalization and directional filtering |
US7787518B2 (en) * | 2002-09-23 | 2010-08-31 | Rambus Inc. | Method and apparatus for selectively applying interference cancellation in spread spectrum systems |
US7787572B2 (en) | 2005-04-07 | 2010-08-31 | Rambus Inc. | Advanced signal processors for interference cancellation in baseband receivers |
US8761321B2 (en) | 2005-04-07 | 2014-06-24 | Iii Holdings 1, Llc | Optimal feedback weighting for soft-decision cancellers |
US7808937B2 (en) | 2005-04-07 | 2010-10-05 | Rambus, Inc. | Variable interference cancellation technology for CDMA systems |
US7463609B2 (en) | 2005-07-29 | 2008-12-09 | Tensorcomm, Inc | Interference cancellation within wireless transceivers |
US7876810B2 (en) | 2005-04-07 | 2011-01-25 | Rambus Inc. | Soft weighted interference cancellation for CDMA systems |
US7577186B2 (en) | 2002-09-20 | 2009-08-18 | Tensorcomm, Inc | Interference matrix construction |
US20050180364A1 (en) * | 2002-09-20 | 2005-08-18 | Vijay Nagarajan | Construction of projection operators for interference cancellation |
US8179946B2 (en) | 2003-09-23 | 2012-05-15 | Rambus Inc. | Systems and methods for control of advanced receivers |
US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
US20050123080A1 (en) * | 2002-11-15 | 2005-06-09 | Narayan Anand P. | Systems and methods for serial cancellation |
AU2003301493A1 (en) * | 2002-10-15 | 2004-05-04 | Tensorcomm Inc. | Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system |
JP4210649B2 (ja) * | 2002-10-15 | 2009-01-21 | テンソルコム インコーポレイテッド | チャンネル振幅推定および干渉ベクトル構築のための方法および装置 |
CA2504648C (en) * | 2002-11-27 | 2008-08-12 | Research In Motion Limited | Method and system for applying viterbi type psk demodulation for optimum correlation of gps signals |
US7352704B1 (en) * | 2003-08-29 | 2008-04-01 | National Semiconductor Corporation | Method and apparatus for multi-path delay spread detection in wideband CDMA systems |
US20050169354A1 (en) * | 2004-01-23 | 2005-08-04 | Olson Eric S. | Systems and methods for searching interference canceled data |
US7477710B2 (en) * | 2004-01-23 | 2009-01-13 | Tensorcomm, Inc | Systems and methods for analog to digital conversion with a signal cancellation system of a receiver |
US7197692B2 (en) | 2004-06-18 | 2007-03-27 | Qualcomm Incorporated | Robust erasure detection and erasure-rate-based closed loop power control |
US8452316B2 (en) | 2004-06-18 | 2013-05-28 | Qualcomm Incorporated | Power control for a wireless communication system utilizing orthogonal multiplexing |
GB2438347B8 (en) * | 2005-02-25 | 2009-04-08 | Data Fusion Corp | Mitigating interference in a signal |
US8942639B2 (en) | 2005-03-15 | 2015-01-27 | Qualcomm Incorporated | Interference control in a wireless communication system |
US8848574B2 (en) | 2005-03-15 | 2014-09-30 | Qualcomm Incorporated | Interference control in a wireless communication system |
US7826516B2 (en) | 2005-11-15 | 2010-11-02 | Rambus Inc. | Iterative interference canceller for wireless multiple-access systems with multiple receive antennas |
KR100648926B1 (ko) * | 2005-07-11 | 2006-11-27 | 삼성전자주식회사 | 사용자 식별 정보 부가기능을 갖는 복합기 및 그 방법 |
KR20080068890A (ko) | 2005-10-27 | 2008-07-24 | 콸콤 인코포레이티드 | 무선 통신 시스템에서 역방향 링크 로딩을 추정하기 위한방법 및 장치 |
US8670777B2 (en) | 2006-09-08 | 2014-03-11 | Qualcomm Incorporated | Method and apparatus for fast other sector interference (OSI) adjustment |
US8442572B2 (en) | 2006-09-08 | 2013-05-14 | Qualcomm Incorporated | Method and apparatus for adjustments for delta-based power control in wireless communication systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2982853A (en) * | 1956-07-02 | 1961-05-02 | Research Corp | Anti-multipath receiving system |
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5237586A (en) * | 1992-03-25 | 1993-08-17 | Ericsson-Ge Mobile Communications Holding, Inc. | Rake receiver with selective ray combining |
US5233626A (en) * | 1992-05-11 | 1993-08-03 | Space Systems/Loral Inc. | Repeater diversity spread spectrum communication system |
US5349606A (en) * | 1992-12-31 | 1994-09-20 | Gte Government Systems Corporation | Apparatus for multipath DSSS communications |
US5315615A (en) * | 1992-12-31 | 1994-05-24 | Gte Government Systems Corporation | DSSS communications correlation |
US5315616A (en) * | 1992-12-31 | 1994-05-24 | Gte Government Systems Corporation | Correlator for DSSS communications |
US5343495A (en) * | 1992-12-31 | 1994-08-30 | Gte Government Systems Corporation | Method of multipath dsss communications |
US5347536A (en) * | 1993-03-17 | 1994-09-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multipath noise reduction for spread spectrum signals |
US5305349A (en) * | 1993-04-29 | 1994-04-19 | Ericsson Ge Mobile Communications Inc. | Quantized coherent rake receiver |
US5335248A (en) * | 1993-06-17 | 1994-08-02 | Rockwell International Corporation | Apparatus for correlating multi-frequency signals |
-
1993
- 1993-08-13 FR FR9309958A patent/FR2709028B1/fr not_active Expired - Fee Related
-
1994
- 1994-08-03 FI FI943605A patent/FI109249B/fi not_active IP Right Cessation
- 1994-08-05 EP EP94401821A patent/EP0639010B1/fr not_active Expired - Lifetime
- 1994-08-05 ES ES94401821T patent/ES2128523T3/es not_active Expired - Lifetime
- 1994-08-05 DE DE69415611T patent/DE69415611T2/de not_active Expired - Fee Related
- 1994-08-12 US US08/289,435 patent/US5448600A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2709028A1 (fr) | 1995-02-17 |
EP0639010B1 (fr) | 1998-12-30 |
EP0639010A1 (fr) | 1995-02-15 |
DE69415611D1 (de) | 1999-02-11 |
FI109249B (fi) | 2002-06-14 |
ES2128523T3 (es) | 1999-05-16 |
DE69415611T2 (de) | 1999-09-09 |
FI943605A0 (fi) | 1994-08-03 |
FR2709028B1 (fr) | 1995-10-20 |
US5448600A (en) | 1995-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |