FI954806A0 - Sändarmottagaralgoritmer för antenngrupper - Google Patents

Sändarmottagaralgoritmer för antenngrupper

Info

Publication number
FI954806A0
FI954806A0 FI954806A FI954806A FI954806A0 FI 954806 A0 FI954806 A0 FI 954806A0 FI 954806 A FI954806 A FI 954806A FI 954806 A FI954806 A FI 954806A FI 954806 A0 FI954806 A0 FI 954806A0
Authority
FI
Finland
Prior art keywords
antenna groups
transmitter receiver
receiver algorithms
algorithms
transmitter
Prior art date
Application number
FI954806A
Other languages
English (en)
Finnish (fi)
Other versions
FI954806A (sv
Inventor
Ulf Goeran Forssen
Bjoern Olof Gudmundson
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 FI954806A publication Critical patent/FI954806A/sv
Publication of FI954806A0 publication Critical patent/FI954806A0/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transceivers (AREA)
  • Details Of Aerials (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FI954806A 1994-02-10 1995-10-09 Sändarmottagaralgoritmer för antenngrupper FI954806A0 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/195,224 US5566209A (en) 1994-02-10 1994-02-10 Transceiver algorithms of antenna arrays
PCT/SE1995/000125 WO1995022873A2 (en) 1994-02-10 1995-02-08 Transceiver algorithms of antenna arrays

Publications (2)

Publication Number Publication Date
FI954806A FI954806A (sv) 1995-10-09
FI954806A0 true FI954806A0 (sv) 1995-10-09

Family

ID=22720527

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954806A FI954806A0 (sv) 1994-02-10 1995-10-09 Sändarmottagaralgoritmer för antenngrupper

Country Status (12)

Country Link
US (1) US5566209A (sv)
EP (1) EP0693246B1 (sv)
JP (1) JP3849881B2 (sv)
KR (1) KR100352104B1 (sv)
CN (1) CN1080487C (sv)
AU (1) AU694175B2 (sv)
CA (1) CA2159712A1 (sv)
DE (1) DE69516338D1 (sv)
FI (1) FI954806A0 (sv)
MX (1) MX9504214A (sv)
SG (1) SG48507A1 (sv)
WO (1) WO1995022873A2 (sv)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790606A (en) * 1994-01-11 1998-08-04 Ericsson Inc. Joint demodulation using spatial maximum likelihood
FI943196A (sv) * 1994-07-04 1996-01-05 Nokia Telecommunications Oy Mottagningsförfarande och mottagare
US6137843A (en) * 1995-02-24 2000-10-24 Ericsson Inc. Methods and apparatus for canceling adjacent channel signals in digital communications systems
US6700958B2 (en) * 1995-04-10 2004-03-02 Starguide Digital Networks, Inc. Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
EP0845176A4 (en) * 1995-08-16 2001-09-12 Starguide Digital Networks Inc DYNAMIC ALLOCATION OF FREQUENCY BANDS FOR TRANSMISSION OF AUDIO SIGNALS AND A VIDEO SIGNAL
DE69604595T2 (de) * 1995-08-22 2000-05-31 Thomson-Csf, Paris Verfahren und anordnung zur räumlichen multiplexierung/demultiplexierung von funksignalen in einem sdma-mobilfunksystem
BR9610415A (pt) * 1995-09-01 1999-09-14 Starguide Digital Networks Inc Sistema de distribuição e produção de arquivos de áudio
GB2309616B (en) * 1996-01-27 2000-05-17 Motorola Ltd A space division multiple access radio communication system and method for allocating channels therein
GB2309591B (en) * 1996-01-27 1999-08-04 Motorola Ltd Apparatus and method for adaptive beamforming
DE19604772C2 (de) * 1996-02-09 2002-08-29 Siemens Ag Verfahren zur Parametrierung einer Empfangseinrichtung, sowie entsprechende Empfangseinrichtung und Funkstation
FR2748137B1 (fr) * 1996-04-24 1998-07-03 Lewiner Jacques Procede pour optimiser la communication radio entre une base fixe et un mobile
WO1997044855A1 (de) * 1996-05-20 1997-11-27 Post Und Telekom Austria Aktiengesellschaft Verfahren und vorrichtung zum richtungsaufgelösten empfang
AT408933B (de) * 1996-05-20 2002-04-25 Josef Dipl Ing Fuhl Verfahren und vorrichtung zur erhöhung der teilnehmerkapazität von zellularen mobilfunknetzen
AU4238697A (en) * 1996-08-29 1998-03-19 Cisco Technology, Inc. Spatio-temporal processing for communication
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US5930243A (en) * 1996-10-11 1999-07-27 Arraycomm, Inc. Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US6301238B1 (en) 1997-01-28 2001-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Directional-beam generative apparatus and associated method
ES2172163T3 (es) * 1997-05-22 2002-09-16 Siemens Ag Procedimiento y dispositivo para la regulacion de la potencia de emision para comunicaciones entre una estacion de base y estaciones moviles de un sistema de comunicacion por radio.
JP3391662B2 (ja) * 1997-06-06 2003-03-31 松下電器産業株式会社 アダプティブアレーアンテナ受信装置
FI103618B (sv) 1997-07-04 1999-07-30 Nokia Telecommunications Oy Tolkning av mottagen signal
SE509776C2 (sv) 1997-07-04 1999-03-08 Ericsson Telefon Ab L M Anordning och förfarande vid antennlobsstyrning i radiokommunikationssystem
US6154450A (en) * 1997-08-22 2000-11-28 Telefonaktiebolaget Lm Ericsson Signaling method for CDMA quality based power control
US6693982B1 (en) 1997-10-06 2004-02-17 At&T Corp. Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes
DE19753932A1 (de) * 1997-12-05 1999-06-10 Cit Alcatel Verfahren zur Bestimmung der Empfangsrichtung mittels einer Gruppenantenne, Funkfeststation und Funksystem
US7299071B1 (en) 1997-12-10 2007-11-20 Arraycomm, Llc Downlink broadcasting by sequential transmissions from a communication station having an antenna array
IT1296896B1 (it) * 1997-12-19 1999-08-02 Italtel Spa Procedimento di discriminazione di un segnale utile da una pluralita' di interferenti isofrequenziali ricevuti da antenne a schiera di
JP3233088B2 (ja) * 1998-01-22 2001-11-26 松下電器産業株式会社 指向性制御アンテナ装置
US7194757B1 (en) 1998-03-06 2007-03-20 Starguide Digital Network, Inc. Method and apparatus for push and pull distribution of multimedia
US6225948B1 (en) * 1998-03-25 2001-05-01 Siemens Aktiengesellschaft Method for direction estimation
US6631175B2 (en) 1998-04-03 2003-10-07 Tellabs Operations, Inc. Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
US6160797A (en) 1998-04-03 2000-12-12 Starguide Digital Networks, Inc. Satellite receiver/router, system, and method of use
DK1068704T3 (da) 1998-04-03 2012-09-17 Tellabs Operations Inc Filter til impulssvarforkortning, med yderligere spektrale begrænsninger, til multibærebølgeoverførsel
US7440498B2 (en) 2002-12-17 2008-10-21 Tellabs Operations, Inc. Time domain equalization for discrete multi-tone systems
US8284774B2 (en) 1998-04-03 2012-10-09 Megawave Audio Llc Ethernet digital storage (EDS) card and satellite transmission system
EP0948229A1 (en) * 1998-04-03 1999-10-06 Lucent Technologies Inc. Process for assigning channels in a cellular radio communication system
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
JP2000022611A (ja) * 1998-06-29 2000-01-21 Matsushita Electric Ind Co Ltd 送信電力制御方法及び無線通信装置
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US6693958B1 (en) * 1998-12-22 2004-02-17 Thomson Licensing S.A. Adaptive channel equalizer having a training mode
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US6654608B1 (en) 1999-04-27 2003-11-25 Telefonaktiebolaget Lm Ericsson (Publ) Tailored power levels at handoff and call setup
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6141567A (en) 1999-06-07 2000-10-31 Arraycomm, Inc. Apparatus and method for beamforming in a changing-interference environment
US6115409A (en) * 1999-06-21 2000-09-05 Envoy Networks, Inc. Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
US7139592B2 (en) 1999-06-21 2006-11-21 Arraycomm Llc Null deepening for an adaptive antenna based communication station
BR0012814A (pt) 1999-07-30 2002-07-02 Iospan Wireless Inc Rede celular sem fio, unidade de assinante, métodos para transmitir fluxos de dados de ligação descendente de assinante, e para receber fluxos de dados de ligação descendente de assinante, unidade remota celular sem fio, métodos para transmitir um fluxo de dados de uma unidade remota, e para comunicação entre uma localização remota e uma ou mais estações base em uma rede celular, estação base repetidora, rede de comunicações, e, unidade para uso em uma rede de comunicações
US20050149462A1 (en) * 1999-10-14 2005-07-07 The Salk Institute For Biological Studies System and method of separating signals
US6424960B1 (en) 1999-10-14 2002-07-23 The Salk Institute For Biological Studies Unsupervised adaptation and classification of multiple classes and sources in blind signal separation
US6985466B1 (en) 1999-11-09 2006-01-10 Arraycomm, Inc. Downlink signal processing in CDMA systems utilizing arrays of antennae
JP4369581B2 (ja) * 1999-12-17 2009-11-25 パナソニック株式会社 基地局装置および干渉抑圧送信方法
US7010029B1 (en) * 2000-04-13 2006-03-07 At&T Corp. Equalization of transmit diversity space-time coded signals
EP1295150A2 (en) * 2000-05-05 2003-03-26 Greenwich Technologies Remote sensing using rayleigh signaling
EP1152549B1 (en) 2000-05-05 2005-03-30 Lucent Technologies Inc. Radio communications system
US6823021B1 (en) * 2000-10-27 2004-11-23 Greenwich Technologies Associates Method and apparatus for space division multiple access receiver
US7965794B2 (en) 2000-05-05 2011-06-21 Greenwich Technologies Associates Method and apparatus for broadcasting with spatially diverse signals
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US7062294B1 (en) 2000-09-29 2006-06-13 Arraycomm, Llc. Downlink transmission in a wireless data communication system having a base station with a smart antenna system
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US6982968B1 (en) 2000-09-29 2006-01-03 Arraycomm, Inc. Non-directional transmitting from a wireless data base station having a smart antenna system
WO2002069073A2 (en) * 2000-11-13 2002-09-06 Starguide Digital Networks, Inc. Ethernet digital storage (eds) card and satellite transmission system including faxing capability
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
FR2828615B1 (fr) * 2001-08-10 2005-12-02 Thales Sa Procede pour augmenter le debit dans un systeme de communication
US7912014B2 (en) * 2001-09-28 2011-03-22 At&T Intellectual Property Ii, Lp Method and apparatus for reducing interference in multiple-input-multiple-output (MIMO) systems
WO2003032522A2 (en) 2001-10-08 2003-04-17 Qinetiq Limited Signal processing system and method for determininig antenna weights
US6714607B2 (en) * 2001-12-20 2004-03-30 Sbc Technology Resources, Inc. Joint demodulation using a viterbi equalizer having an adaptive total number of states
KR100786100B1 (ko) * 2001-12-28 2007-12-18 엘지전자 주식회사 복조기 및 이 복조기의 신호 처리 방법
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
EP1359684A1 (en) * 2002-04-30 2003-11-05 Motorola Energy Systems Inc. Wireless transmission using an adaptive transmit antenna array
DE60215945T2 (de) * 2002-09-26 2007-06-21 Lucent Technologies Inc. Entzerrer mit zwei Raum-Zeit Filtern und mit einem Selektor zum Wählen des Filters mit der besten Symbolschätzung
US7492743B2 (en) * 2002-09-30 2009-02-17 Intel Corporation Assigning training sequences based on spatial channels in a wireless communications system
JP3891427B2 (ja) * 2002-12-27 2007-03-14 富士通株式会社 適応アレーアンテナ制御装置
US8185075B2 (en) 2003-03-17 2012-05-22 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
US7391832B2 (en) * 2003-03-17 2008-06-24 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
KR100981554B1 (ko) * 2003-11-13 2010-09-10 한국과학기술원 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법
KR100663525B1 (ko) * 2004-06-10 2007-02-28 삼성전자주식회사 공간-시간 빔 형성을 위한 간섭전력 측정 장치 및 방법
US8467466B2 (en) * 2005-11-18 2013-06-18 Qualcomm Incorporated Reduced complexity detection and decoding for a receiver in a communication system
US8300798B1 (en) 2006-04-03 2012-10-30 Wai Wu Intelligent communication routing system and method
US8073399B2 (en) * 2009-06-23 2011-12-06 Lockheed Martin Corporation Device and method for matrixed adaptive equalizing for communication receivers configured to an antenna array
US20110013684A1 (en) * 2009-07-14 2011-01-20 Nokia Corporation Channel estimates in a SIC receiver for a multi-transmitter array transmission scheme
US20110223958A1 (en) * 2010-03-10 2011-09-15 Fujitsu Limited System and Method for Implementing Power Distribution
US8874047B2 (en) * 2012-03-19 2014-10-28 Intel Mobile Communications GmbH Agile and adaptive transmitter-receiver isolation
US9762343B2 (en) * 2015-01-30 2017-09-12 Telefonaktiebolaget L M Ericsson (Publ) Interference rejection for improved cell detection
US10985846B2 (en) * 2017-04-13 2021-04-20 Nippon Telegraph And Telephone Corporation Signal separating apparatus and signal separating method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232626B1 (en) * 1985-12-26 1993-02-10 Matsushita Electric Industrial Co., Ltd. Method of digital signal transmission having a low error rate in the presence of multipath transmission
EP0449327B1 (en) * 1990-03-30 1998-07-15 Nec Corporation Noise-immune space diversity receiver
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5274844A (en) * 1992-05-11 1993-12-28 Motorola, Inc. Beam pattern equalization method for an adaptive array
US5305353A (en) * 1992-05-29 1994-04-19 At&T Bell Laboratories Method and apparatus for providing time diversity
US5390215A (en) * 1992-10-13 1995-02-14 Hughes Aircraft Company Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution
JP2663820B2 (ja) * 1992-12-28 1997-10-15 日本電気株式会社 判定帰還形等化器

Also Published As

Publication number Publication date
CN1080487C (zh) 2002-03-06
WO1995022873A3 (en) 1995-09-21
JPH08511394A (ja) 1996-11-26
US5566209A (en) 1996-10-15
MX9504214A (es) 1997-04-30
KR960702253A (ko) 1996-03-28
DE69516338D1 (de) 2000-05-25
EP0693246B1 (en) 2000-04-19
SG48507A1 (en) 1998-04-17
WO1995022873A2 (en) 1995-08-24
EP0693246A1 (en) 1996-01-24
CA2159712A1 (en) 1995-08-24
FI954806A (sv) 1995-10-09
KR100352104B1 (ko) 2002-12-18
CN1124548A (zh) 1996-06-12
JP3849881B2 (ja) 2006-11-22
AU694175B2 (en) 1998-07-16
AU1723795A (en) 1995-09-04

Similar Documents

Publication Publication Date Title
FI954806A0 (sv) Sändarmottagaralgoritmer för antenngrupper
FI102121B1 (sv) Sändare/mottagare för radiokommunikation
DE69839960D1 (de) Adaptive gruppensender/empfänger
DE69329872D1 (de) Funksender/Empfänger
DE69702325D1 (de) Funksendegerät
FI953214A (sv) Antenn för kommunikationsanordning
DE69637092D1 (de) Verteiltes funkkommunikationssystem
DE69532860D1 (de) Voll-duplex funk-sendeempfänger
DE59004565D1 (de) Sender-empfänger-system.
DE69638188D1 (de) Kostengünstige phasengesteuerte kommunikationsantenne
FI950463A (sv) Förfarande för datakommunikation, sändare och mottagare
FI955113A (sv) Förfarande för datakommunikation, sändare och mottagare
FI941072A (sv) Förfarande för datakommunikation, sändare samt mottagare
DE69635260D1 (de) Zweibandfunkempfänger
DE69122173D1 (de) Funksendegerät
DE69522050D1 (de) AM-Funkempfänger
DE69522468D1 (de) Funkkommunikationssystem
NO961692D0 (no) Sender/mottakeranlegg for radiosignaler
FI970024A (sv) Sändare för kommunikationsanordningar
DE69625676D1 (de) Empfänger mit gruppenantenne
DE69530359D1 (de) Radioempfänger
FI99168B (sv) Antennförstärkare för mottagarfrekvenser
DE69632177D1 (de) Funkempfänger
DE69518063D1 (de) Funkrufempfänger
DE69633685D1 (de) Rundfunkempfänger