HK1014094A1 - A method for communication in a tdma cellular mobile radio system using frequency hopping - Google Patents

A method for communication in a tdma cellular mobile radio system using frequency hopping

Info

Publication number
HK1014094A1
HK1014094A1 HK98115133A HK98115133A HK1014094A1 HK 1014094 A1 HK1014094 A1 HK 1014094A1 HK 98115133 A HK98115133 A HK 98115133A HK 98115133 A HK98115133 A HK 98115133A HK 1014094 A1 HK1014094 A1 HK 1014094A1
Authority
HK
Hong Kong
Prior art keywords
cell
channel
mobile
radio
schemes
Prior art date
Application number
HK98115133A
Other languages
English (en)
Inventor
Jon Kristen Ugland
Perols Bjorn Olof Gudmundson
Johan Skold
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
Publication of HK1014094A1 publication Critical patent/HK1014094A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/12—Fixed resource partitioning
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • 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
    • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H04B2001/7154—Interference-related aspects with means for preventing interference
HK98115133A 1992-02-28 1998-12-23 A method for communication in a tdma cellular mobile radio system using frequency hopping HK1014094A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9200607A SE9200607D0 (sv) 1992-02-28 1992-02-28 Communication methods and mean in a tdma cellular mobile radio system
PCT/SE1993/000117 WO1993017507A1 (en) 1992-02-28 1993-02-16 A method for communication in a tdma cellular mobile radio system using frequency hopping

Publications (1)

Publication Number Publication Date
HK1014094A1 true HK1014094A1 (en) 1999-09-17

Family

ID=20385460

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115133A HK1014094A1 (en) 1992-02-28 1998-12-23 A method for communication in a tdma cellular mobile radio system using frequency hopping

Country Status (21)

Country Link
US (1) US5581548A (da)
EP (1) EP0586652B1 (da)
JP (1) JPH06507298A (da)
KR (1) KR100263148B1 (da)
AT (1) ATE184437T1 (da)
AU (1) AU655356B2 (da)
BR (1) BR9305423A (da)
CA (1) CA2106977C (da)
DE (1) DE69326301T2 (da)
DK (1) DK0586652T3 (da)
ES (1) ES2140452T3 (da)
FI (1) FI106161B (da)
HK (1) HK1014094A1 (da)
MX (1) MX9301081A (da)
MY (1) MY109292A (da)
NO (1) NO308685B1 (da)
NZ (1) NZ249612A (da)
SE (1) SE9200607D0 (da)
SG (1) SG45141A1 (da)
TW (1) TW264594B (da)
WO (1) WO1993017507A1 (da)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5506863A (en) * 1993-08-25 1996-04-09 Motorola, Inc. Method and apparatus for operating with a hopping control channel in a communication system
US5425049A (en) * 1993-10-25 1995-06-13 Ericsson Ge Mobile Communications Inc. Staggered frequency hopping cellular radio system
US5537434A (en) * 1993-10-25 1996-07-16 Telefonaktiebolaget Lm Ericsson Frequency hopping control channel in a radio communication system
AU711184B2 (en) * 1994-03-18 1999-10-07 Nokia Telecommunications Oy Method for realizing frequency hopping and a base station equipment
FI941289A (fi) * 1994-03-18 1995-09-19 Nokia Telecommunications Oy Menetelmä taajuushyppelyn toteuttamiseksi ja tukiasemalaitteisto
US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
SE503893C2 (sv) * 1994-07-15 1996-09-30 Ericsson Telefon Ab L M Förfarande och anordning för frekvenshoppning i ett radiokommunikationssystem
FR2724509B1 (fr) * 1994-09-12 1996-11-22 Alcatel Mobile Comm France Systeme de radiocommunication cellulaire, notamment avec des mobiles, et dispositif d'emission ou de reception correspondant
DE4432926C2 (de) * 1994-09-15 1998-02-05 Siemens Ag Mobiles Funknetz
FI99184C (fi) * 1994-11-28 1997-10-10 Nokia Telecommunications Oy Menetelmä käytettävissä olevien taajuuskaistojen jakamiseksi eri soluihin TDMA-solukkoradiojärjestelmässä ja TDMA-solukkoradiojärjestelmä
JP3244610B2 (ja) * 1995-01-27 2002-01-07 株式会社日立製作所 周波数ホッピング方式無線ｌａｎシステム
JP3047767B2 (ja) * 1995-03-20 2000-06-05 株式会社日立製作所 無線ｌａｎシステム
US5812522A (en) * 1995-03-31 1998-09-22 Airtouch Communications, Inc. Location-ruled radio-integrated network
IL114366A0 (en) * 1995-06-27 1995-10-31 Powerspectrum Technology Ltd Apparatus and method for minimizing interference in the fringe areas of communication systems
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5768268A (en) * 1995-07-19 1998-06-16 Watkins Johnson Company Wideband base station architecture for digital cellular communications system
US5758090A (en) * 1995-09-22 1998-05-26 Airnet Communications, Inc. Frequency reuse planning for CDMA cellular communication system by grouping of available carrier frequencies and power control based on the distance from base station
US5719868A (en) * 1995-10-05 1998-02-17 Rockwell International Dynamic distributed, multi-channel time division multiple access slot assignment method for a network of nodes
US6134227A (en) * 1995-12-04 2000-10-17 Advanced Micro Devices Secondary channel for radio frequency communications
EP0865693A1 (en) * 1995-12-04 1998-09-23 Advanced Micro Devices, Inc. System and method for frequency division duplex/time division duplex radio frequency communications
JP3544056B2 (ja) * 1996-03-19 2004-07-21 キヤノン株式会社 周波数ホッピング方式を用いた無線通信装置及びその制御方法
US5917812A (en) * 1996-04-16 1999-06-29 Qualcomm Incorporated System and method for reducing interference generated by a digital communication device
US7930546B2 (en) * 1996-05-16 2011-04-19 Digimarc Corporation Methods, systems, and sub-combinations useful in media identification
US6298081B1 (en) 1996-05-31 2001-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Channel hopping in a radio communications system
US5889781A (en) * 1996-06-11 1999-03-30 Vlsi Technology Asynchronous timing generator
US5999818A (en) * 1996-08-06 1999-12-07 Cirrus Logic, Inc. Frequency re-used and time-shared cellular communication system having multiple radio communication systems
US5884145A (en) * 1996-08-28 1999-03-16 Telefon Akmebolget Lm Ericsson Method and system for autonomously allocating a cellular communications channel for communication between a cellular terminal and a telephone base station
US6009332A (en) * 1996-08-28 1999-12-28 Telefonaktiebolaget Lm Ericsson Method and system for autonomously allocating a frequency hopping traffic channel in a private radio system
US6405048B1 (en) 1996-08-28 2002-06-11 Telefonaktiebolaget L M Ericsson Method and system for autonomously allocating frequencies to a radio system sharing frequencies with an overlapping macro radio system
US5946624A (en) * 1996-08-29 1999-08-31 Pacific Communication Sciences, Inc. Synchronized frequency hopping
US5946625A (en) * 1996-10-10 1999-08-31 Ericsson, Inc. Method for improving co-channel interference in a cellular system
US6108552A (en) * 1996-10-12 2000-08-22 Nortel Networks Corporation Method of allocating radio channels
US6496543B1 (en) * 1996-10-29 2002-12-17 Qualcomm Incorporated Method and apparatus for providing high speed data communications in a cellular environment
US5933418A (en) * 1996-11-15 1999-08-03 Ericsson Inc. Method for increasing control channel capacity in a communication system
US6069885A (en) * 1996-12-30 2000-05-30 At&T Corp Method and apparatus for providing high speed services using a wireless communications system
JPH10257009A (ja) * 1997-03-10 1998-09-25 Oki Electric Ind Co Ltd 無線中継方法及び無線中継機
CA2228300C (en) * 1997-03-21 2001-09-04 Colin Leon Kahn Tdma system with discontinuous transmission
FR2761556B1 (fr) * 1997-03-28 1999-04-30 Alsthom Cge Alcatel Procede de transmission amrt sur une pluralite de frequences porteuses, signal et recepteur correspondants
EP0872978A1 (en) * 1997-04-18 1998-10-21 Alcatel Communication system, master station and slave station
FI109514B (fi) * 1997-04-25 2002-08-15 Nokia Corp Menetelmä kanavien allokoimiseksi
GB9711521D0 (en) * 1997-06-03 1997-07-30 British Telecomm Channel allocation system
GB2327013B (en) * 1997-06-30 2002-02-13 Ericsson Telefon Ab L M Mobile communications system
DE19730623A1 (de) 1997-07-17 1999-01-21 Alsthom Cge Alcatel Verfahren zum Zuteilen von Zeitschlitzen, sowie System, Zentrale und Teilnehmereinrichtung zur Durchführung dieses Verfahrens
CA2300064A1 (en) * 1997-08-14 1999-02-25 Siemens Aktiengesellschaft Method and device for generating a random number sequence for carrier frequencies of a mobile radio transmission
US6078570A (en) * 1997-08-21 2000-06-20 Nokia Mobile Phones Limited Mobile assisted hard hand-off for a code division multiple access (CDMA) system
US6154450A (en) * 1997-08-22 2000-11-28 Telefonaktiebolaget Lm Ericsson Signaling method for CDMA quality based power control
US6393007B1 (en) 1997-10-16 2002-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Method of and a system for voice and data radio communication providing improved interference diversity
JP3856253B2 (ja) * 1997-10-16 2006-12-13 ソニー株式会社 セルラー無線通信システム及び基地局
JP3821331B2 (ja) * 1997-10-31 2006-09-13 ソニー株式会社 通信端末装置及びセルラー無線通信システム並びに情報通信方法
US6587444B1 (en) 1997-11-14 2003-07-01 Ericsson Inc. Fixed frequency-time division duplex in radio communications systems
US6131033A (en) * 1997-11-19 2000-10-10 Ericsson, Inc. Methods and systems of performing system channel planning for wireless local loop communication
CN1244243C (zh) * 1997-12-10 2006-03-01 三菱电机株式会社 控制基站、移动台间通信的通信控制方法
FI974646A (fi) 1997-12-30 1999-07-01 Nokia Networks Oy Häiriöiden tasoittaminen matkaviestinjärjestelmässä
JP2002502208A (ja) * 1998-02-02 2002-01-22 エリクソン インコーポレイテッド 時分割多重アクセス／周波数−時分割二重通信システムにおけるカバーエリアのセクタ化
JPH11243382A (ja) * 1998-02-25 1999-09-07 Sony Corp 物理チヤネル割当方法及び送信装置
US6112094A (en) * 1998-04-06 2000-08-29 Ericsson Inc. Orthogonal frequency hopping pattern re-use scheme
EP0959636A1 (en) * 1998-05-18 1999-11-24 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Multi-cell TDMA radio communication through limited subsets of time slots
JP2002517942A (ja) * 1998-05-29 2002-06-18 ノキア ネットワークス オサケ ユキチュア セルラーテレコミュニケーションシステムにおけるデータ送信方法
WO2000011900A1 (en) * 1998-08-19 2000-03-02 Motorola Inc. Wireless communication system and method of assigning communication resources
JP3479935B2 (ja) * 1998-08-19 2003-12-15 富士通株式会社 Ｃｄｍａ移動通信におけるハンドオーバ方法並びにｃｄｍａ移動通信システム、その基地局及び移動局
US6904024B1 (en) * 1998-10-16 2005-06-07 Alcatel Canada Inc. Cellular base station with integrated multipoint radio access and intercell linking
US6198910B1 (en) 1999-04-28 2001-03-06 Nortel Networks Limited Cellular network having improved method for managing RF channels
US6331973B1 (en) 1999-04-30 2001-12-18 Rockwell Collins, Inc. Unifying slot assignment protocol multiple access system
US6950418B1 (en) * 1999-04-30 2005-09-27 Rockwell Collins, Inc. Clique activation multiple access (CAMA)
EP1097596A1 (en) * 1999-05-21 2001-05-09 Koninklijke Philips Electronics N.V. Cellular communication system with variable channel loading
DE19925263C1 (de) * 1999-06-01 2000-10-12 Siemens Ag Verfahren zum Betreiben eines Mobilfunksystems sowie dafür geeignete Basisstation
GB2350750B (en) * 1999-06-01 2003-08-13 Motorola Ireland Ltd Interference in a cellular communications system
US6504829B1 (en) * 1999-06-28 2003-01-07 Rockwell Collins, Inc. Method and apparatus for managing communication resources using channelized neighborhoods
GB9918250D0 (en) * 1999-08-04 1999-10-06 Koninkl Philips Electronics Nv Generating a cyclic sequence of frequencies
US6937158B2 (en) * 1999-12-29 2005-08-30 Intel Corporation Method and apparatus for wireless communication between electronic devices
US7177287B1 (en) * 2000-01-05 2007-02-13 Advanded Micro Devices, Inc. System and method for concurrent wireless voice and data communications
US6965590B1 (en) * 2000-02-29 2005-11-15 Texas Instruments Incorporated Dynamic slave selection in frequency hopping wireless communications
US6791994B1 (en) 2000-04-19 2004-09-14 Rockwell Collins, Inc. Method and apparatus for assigning receive slots in a dynamic assignment environment
KR100370746B1 (ko) * 2000-05-30 2003-02-05 한국전자통신연구원 다차원 직교 자원 도약 다중화 통신 방식 및 장치
US6781967B1 (en) 2000-08-29 2004-08-24 Rockwell Collins, Inc. Scheduling techniques for receiver directed broadcast applications
US6885651B1 (en) 2000-08-29 2005-04-26 Rockwell Collins Maintaining an adaptive broadcast channel using both transmitter directed and receiver directed broadcasts
US6810022B1 (en) 2000-08-29 2004-10-26 Rockwell Collins Full duplex communication slot assignment
US6973059B1 (en) * 2000-09-11 2005-12-06 Lucent Technologies Inc. Method for frequency hopping in a TDMA wireless communication system
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US7155229B2 (en) * 2002-01-08 2006-12-26 Ericsson Inc. Distributed wireless architecture using microcast
US7231190B2 (en) * 2003-07-28 2007-06-12 Motorola, Inc. Method and apparatus for terminating reception in a wireless communication system
US7385999B1 (en) 2003-10-20 2008-06-10 Rockwell Collins, Inc. Heuristics for combining inter-channel and intra-channel communications in a wireless communications environment
US7403780B2 (en) 2004-02-19 2008-07-22 Rockwell Collins, Inc. Hybrid open/closed loop filtering for link quality estimation
US7826372B1 (en) 2004-03-26 2010-11-02 Rockwell Collins, Inc. Network routing process for regulating traffic through advantaged and disadvantaged nodes
US7382799B1 (en) 2004-05-18 2008-06-03 Rockwell Collins, Inc. On-demand broadcast protocol
US7310380B1 (en) 2004-05-28 2007-12-18 Rockwell Collins, Inc. Generic transmission parameter configuration
US7397810B1 (en) 2004-06-14 2008-07-08 Rockwell Collins, Inc. Artery nodes
US7573851B2 (en) 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
US7606171B1 (en) 2005-07-28 2009-10-20 Rockwell Collins, Inc. Skeletal node rules for connected dominating set in ad-hoc networks
US7589627B2 (en) * 2005-10-06 2009-09-15 Staccato Communications, Inc. Creation of environments to detect wireless devices
US7518524B1 (en) 2005-10-06 2009-04-14 Staccato Communications, Inc. Announcements to facilitate detection of wireless devices
US20070082633A1 (en) * 2005-10-06 2007-04-12 Staccato Communications, Inc. Avoidance of wireless devices
US20070165586A1 (en) * 2005-11-29 2007-07-19 Staccato Communications, Inc. Quiet periods for detecting wireless devices
US20070147410A1 (en) * 2005-11-29 2007-06-28 Staccato Communications, Inc. Detecting wireless devices to inform about a quiet period
WO2007109341A2 (en) * 2006-03-21 2007-09-27 Staccato Communications, Inc. Exchange of detection and avoidance information
JP4247754B2 (ja) * 2006-06-09 2009-04-02 オムロン株式会社 通信処理装置、情報処理装置、通信システム、通信処理方法、情報処理方法、およびプログラム
US8150410B2 (en) * 2006-06-16 2012-04-03 Samsung Electronics Co., Ltd. System and method for a fractional loading scheme for broadcast/multicast traffic
DE102007014692A1 (de) 2007-03-27 2008-10-02 Rohde & Schwarz Gmbh & Co. Kg Testvorrichtung und Mobilfunkgerät sowie Verfahren zum Testen eines Mobilfunkgeräts
US20080268779A1 (en) * 2007-03-29 2008-10-30 Staccato Communications, Inc. DAA concept with uplink detection: frequency domain quiet periods
US20110134853A1 (en) * 2007-08-10 2011-06-09 Zhu Xudong Method for allocating mobile user resource and resource allocation scheduler using the same
CN101960908B (zh) * 2008-07-24 2014-04-23 松下电器产业株式会社 中继器以及中继方法
WO2010113453A1 (ja) * 2009-04-02 2010-10-07 パナソニック株式会社 無線送受信回路、無線通信装置、及び無線送受信方法
US10024972B2 (en) * 2009-09-10 2018-07-17 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
JP2011135570A (ja) * 2009-11-27 2011-07-07 Sanyo Electric Co Ltd 端末装置
US8737529B2 (en) * 2010-01-18 2014-05-27 Broadcom Corporation Multiple antenna signal transmission
US8432997B2 (en) 2010-01-18 2013-04-30 Broadcom Corporation Method and system of beamforming a broadband signal through a multiport network
KR101419925B1 (ko) * 2010-02-08 2014-07-14 브로드콤 코포레이션 다중포트 네트워크를 관통하여 광대역 신호를 빔성형하는 방법 및 시스템
CN104718710B (zh) * 2012-08-30 2016-09-07 Abb研究有限公司 适合环境的快速跳频
JP6147032B2 (ja) * 2013-03-07 2017-06-14 大崎電気工業株式会社 秘匿通信方法
US9264099B1 (en) * 2015-06-02 2016-02-16 Link Labs, Inc. Frequency-block hopping
US10785657B2 (en) * 2018-05-14 2020-09-22 At&T Intellectual Property I, L.P. Method and apparatus to efficiently support narrowband devices in broadband systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527331A1 (de) * 1985-07-31 1987-02-05 Philips Patentverwaltung Digitales funkuebertragungssystem
JPH0622345B2 (ja) * 1988-01-14 1994-03-23 東京電力株式会社 移動体通信方式
US4866710A (en) * 1988-02-22 1989-09-12 Motorola, Inc. Reuse groups for scan monitoring in digital cellular systems
US5020056A (en) * 1989-05-02 1991-05-28 General Electric Company Reduction of synchronous fading effects by time hopping of user slots in TDMA frames
IT1230400B (it) * 1989-06-15 1991-10-21 Italtel Spa Stazione radio base per un sistema radiomobile digitale impiegante la tecnica di frequency hopping.
US5200957A (en) * 1989-06-26 1993-04-06 Telefonaktiebolaget L M Ericsson Mobile assisted handoff
DK0573417T3 (da) * 1990-02-27 1997-10-27 Motorola Inc Fælles bærebølgefrekvenshop
US5291475B1 (en) * 1992-03-27 1995-06-27 Motorola Inc Slot hopped fd/td/cmda

Also Published As

Publication number Publication date
DE69326301D1 (de) 1999-10-14
US5581548A (en) 1996-12-03
WO1993017507A1 (en) 1993-09-02
AU655356B2 (en) 1994-12-15
AU3652393A (en) 1993-09-13
ES2140452T3 (es) 2000-03-01
DE69326301T2 (de) 2000-04-06
EP0586652A1 (en) 1994-03-16
FI934750A (fi) 1993-10-27
ATE184437T1 (de) 1999-09-15
NZ249612A (en) 1996-11-26
NO308685B1 (no) 2000-10-09
TW264594B (da) 1995-12-01
CA2106977A1 (en) 1993-08-29
FI106161B (fi) 2000-11-30
FI934750A0 (fi) 1993-10-27
SG45141A1 (en) 1998-01-16
CA2106977C (en) 2001-05-01
MY109292A (en) 1996-12-31
MX9301081A (es) 1993-09-01
NO933898L (no) 1993-10-28
EP0586652B1 (en) 1999-09-08
BR9305423A (pt) 1994-08-02
NO933898D0 (no) 1993-10-28
JPH06507298A (ja) 1994-08-11
DK0586652T3 (da) 2000-04-03
SE9200607D0 (sv) 1992-02-28
KR100263148B1 (ko) 2000-08-01

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