FI107853B - Basstation för cellindelade frekvenshoppande TDMA-radiokommunikationssystem - Google Patents

Basstation för cellindelade frekvenshoppande TDMA-radiokommunikationssystem Download PDF

Info

Publication number
FI107853B
FI107853B FI935281A FI935281A FI107853B FI 107853 B FI107853 B FI 107853B FI 935281 A FI935281 A FI 935281A FI 935281 A FI935281 A FI 935281A FI 107853 B FI107853 B FI 107853B
Authority
FI
Finland
Prior art keywords
base station
antenna
antennas
communication system
transmitters
Prior art date
Application number
FI935281A
Other languages
English (en)
Finnish (fi)
Other versions
FI935281A (fi
FI935281A0 (fi
Inventor
Lars Uno Borg
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 FI935281A publication Critical patent/FI935281A/fi
Publication of FI935281A0 publication Critical patent/FI935281A0/fi
Application granted granted Critical
Publication of FI107853B publication Critical patent/FI107853B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • 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
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Claims (6)

1. Basstation för cellindelade frekvenshoppande TDMA-ra- t diokommunikationssystem, kännetecknad av 5 ätminstone tvä sändargrupper, var och en innehallande ätminstone en sändare (10, 11 och 12,13; 20, 21 och 22, 23), kopplade tili varsin antenn (30; 31) i en antenngrupp för en cell, och organ (28) för styrda frekvenshopp i atminstone nägon TDMA-kanal, sä att dess signaiskurar fördelas pä olika antenner (30; 31) inom 10 antenngruppen.
2. Basstation enligt krav 1, kännetecknad därav, att alla antenner i antenngruppen alltid sänder pä olika frekvenser.
3. Basstation enligt krav 2, kännetecknad av att antennerna i antenngruppen uppvisar ett inbördes avständ pä mer än nagra bärväglängder.
4. Basstation enligt krav 3, kännetecknad av organ (28) för cyklisk fördelning av signalskurarna pä antennerna (30; 31) inom antenngruppen.
5. Basstation enligt krav 3, kännetecknad av organ (28) för slumpmässig fördelning av signalskurarna pä antennerna (30; 31) inom 20 antenngruppen.
6. Basstation enligt krav 3, kännetecknad av organ för :1·: behovstyrd fördelning av signalskurarna pä antennerna (30; 31) inom antenngruppen. • · • · • · ♦ ♦ · • · • · · • · ♦ ··· · ♦ · · ♦ ♦ ♦ • · • · ··· • · · ♦ ♦ ♦ ··« • · «·· . ♦ » ♦ ♦ ♦ ♦ · ♦ ·♦♦ 1 ··· • · • · ··· ♦ · ·· · • · ♦ • ♦ ♦ ♦ · · • · · ·
FI935281A 1992-03-27 1993-11-26 Basstation för cellindelade frekvenshoppande TDMA-radiokommunikationssystem FI107853B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9200962A SE470078B (sv) 1992-03-27 1992-03-27 Basstation för cellindelade frekvenshoppande TDMA- radiokommunikationssystem
SE9200962 1992-03-27
PCT/SE1993/000238 WO1993020625A1 (en) 1992-03-27 1993-03-22 A base station for a frequency hopping tdma radio communication system
SE9300238 1993-03-22

Publications (3)

Publication Number Publication Date
FI935281A FI935281A (fi) 1993-11-26
FI935281A0 FI935281A0 (fi) 1993-11-26
FI107853B true FI107853B (sv) 2001-10-15

Family

ID=20385767

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935281A FI107853B (sv) 1992-03-27 1993-11-26 Basstation för cellindelade frekvenshoppande TDMA-radiokommunikationssystem

Country Status (17)

Country Link
US (1) US5329548A (sv)
EP (1) EP0591491B1 (sv)
JP (1) JP3329814B2 (sv)
KR (1) KR960016647B1 (sv)
AU (1) AU661150B2 (sv)
BR (1) BR9305455A (sv)
CA (1) CA2102426C (sv)
DE (1) DE69318502T2 (sv)
ES (1) ES2118230T3 (sv)
FI (1) FI107853B (sv)
HK (1) HK1011157A1 (sv)
MX (1) MX9301720A (sv)
NZ (1) NZ251482A (sv)
SE (1) SE470078B (sv)
SG (1) SG54135A1 (sv)
TW (1) TW223200B (sv)
WO (1) WO1993020625A1 (sv)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06261020A (ja) * 1993-03-05 1994-09-16 Hitachi Ltd 周波数ホッピング通信システム及び通信装置
US5839071A (en) * 1993-09-21 1998-11-17 Telstra Corporation Limited Base station for a mobile telecommunications system
DE59510902D1 (de) * 1994-03-07 2004-06-24 Siemens Ag Verfahren und Anordnung zur Übertragen von block kodierten Informationen über mehrere Kanäle in einem digitalen mobilen Funksystem
AU711184B2 (en) * 1994-03-18 1999-10-07 Nokia Telecommunications Oy Method for realizing frequency hopping and a base station equipment
FI941289A (sv) * 1994-03-18 1995-09-19 Nokia Telecommunications Oy Förfarande för att förverkliga frekvenshoppning och en basstationsanordning
US5430713A (en) * 1994-05-06 1995-07-04 At&T Corp. Frequency hopping in digital cellular networks
DE4432928C2 (de) * 1994-09-15 2000-08-03 Siemens Ag TDMA-Mobilfunksystem
FI950916A (sv) * 1995-02-28 1996-08-29 Nokia Telecommunications Oy Basstation i ett radiosystem
US5649287A (en) * 1995-03-29 1997-07-15 Telefonaktiebolaget Lm Ericsson Orthogonalizing methods for antenna pattern nullfilling
US5781582A (en) * 1995-05-04 1998-07-14 Interwave Communications International Ltd. Frequency agile transceiver with multiple frequency synthesizers per transceiver
JPH08321785A (ja) * 1995-05-24 1996-12-03 Sony Corp 送信機，受信機，送信方法，受信方法及び伝送方法
SE518010C2 (sv) * 1995-07-20 2002-08-13 Telia Ab Antennanordning
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
FI960987A (sv) * 1996-03-01 1997-09-02 Nokia Telecommunications Oy Förfarande för styrning av basstation och basstation
US6006075A (en) * 1996-06-18 1999-12-21 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversity
US6243565B1 (en) 1996-06-18 2001-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transmitting communication signals using frequency and polarization diversity
US6097771A (en) * 1996-07-01 2000-08-01 Lucent Technologies Inc. Wireless communications system having a layered space-time architecture employing multi-element antennas
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
JPH10336087A (ja) * 1997-05-30 1998-12-18 Kyocera Corp 最大比合成送信ダイバーシティ装置
US6549560B1 (en) 1997-06-03 2003-04-15 The United States Of America As Represented By The Secretary Of The Navy Comb limiter combiner for frequency-hopped communications
DE19801495C2 (de) * 1998-01-16 2002-01-24 Siemens Ag Funkstation zur Datenübertragung in einem Funk-Kommunikationssystem
DE19824152C2 (de) * 1998-05-29 2003-06-05 Siemens Ag Verfahren und Funkstation zur Signalübertragung in einem Funk-Kommunikationssystem
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
DE19841758A1 (de) * 1998-09-11 1999-12-16 Siemens Ag Basisstation für drahtlose Kommunikationsdienste
US6639938B1 (en) 1999-09-23 2003-10-28 Northrop Grumman Corporation Method for dynamically routing frequency hopping signals in a multiple carrier communications system
EP1100212A1 (en) * 1999-11-09 2001-05-16 Lucent Technologies Inc. Transmitting/receiving apparatus for electromagnetic signals
KR20030004326A (ko) * 2000-01-27 2003-01-14 셀레트라 리미티드 셀룰러기지국 증강시스템 및 방법
CN1107358C (zh) * 2000-02-24 2003-04-30 信息产业部电信科学技术研究院 分布式智能天线系统
JP3424640B2 (ja) * 2000-03-01 2003-07-07 日本電気株式会社 無線基地局装置
TW545003B (en) * 2001-01-16 2003-08-01 Matsushita Electric Ind Co Ltd Antenna diversity communications device
TW201002122A (en) * 2002-04-12 2010-01-01 Interdigital Tech Corp Access burst detector correlator pool
US6785322B1 (en) 2002-04-12 2004-08-31 Interdigital Technology Corporation Node-B/base station rake finger pooling
US7995515B2 (en) * 2006-10-03 2011-08-09 Viasat, Inc. Upstream resource optimization
US7835427B1 (en) * 2007-03-30 2010-11-16 Rockwell Collins, Inc. Multiplexed architecture for simultaneous transmission and reception
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479226A (en) * 1982-03-29 1984-10-23 At&T Bell Laboratories Frequency-hopped single sideband mobile radio system
US4545059A (en) * 1984-03-27 1985-10-01 Rockwell International Corporation Antenna coupler system
US5048116A (en) * 1989-05-24 1991-09-10 Motorola, Inc. Signal routing system
IT1230400B (it) * 1989-06-15 1991-10-21 Italtel Spa Stazione radio base per un sistema radiomobile digitale impiegante la tecnica di frequency hopping.
US5175878A (en) * 1990-02-02 1992-12-29 At&T Bell Laboratories Radio network with switching arrangement for coupling radios to a selected antenna out of a plurality of antennas
GB9007927D0 (en) * 1990-04-07 1990-06-06 Plessey Co Ltd Radio communication systems
SE465990B (sv) * 1990-04-10 1991-11-25 Ericsson Telefon Ab L M Foerfarande foer antennval i ett mobilradiosystem
US5142534A (en) * 1990-10-17 1992-08-25 O'neill Communications, Inc. Wireless integrated voice-data communication system

Also Published As

Publication number Publication date
SE9200962D0 (sv) 1992-03-27
WO1993020625A1 (en) 1993-10-14
CA2102426C (en) 2002-07-16
SG54135A1 (en) 1998-11-16
FI935281A (fi) 1993-11-26
EP0591491A1 (en) 1994-04-13
SE9200962L (sv) 1993-09-28
BR9305455A (pt) 1994-11-08
AU661150B2 (en) 1995-07-13
FI935281A0 (fi) 1993-11-26
NZ251482A (en) 1995-07-26
JP3329814B2 (ja) 2002-09-30
EP0591491B1 (en) 1998-05-13
US5329548A (en) 1994-07-12
HK1011157A1 (en) 1999-07-02
DE69318502T2 (de) 1998-11-26
MX9301720A (es) 1994-01-31
AU3911593A (en) 1993-11-08
ES2118230T3 (es) 1998-09-16
CA2102426A1 (en) 1993-09-28
JPH06508251A (ja) 1994-09-14
KR960016647B1 (ko) 1996-12-19
DE69318502D1 (de) 1998-06-18
TW223200B (sv) 1994-05-01
SE470078B (sv) 1993-11-01

Similar Documents

Publication Publication Date Title
FI107853B (sv) Basstation för cellindelade frekvenshoppande TDMA-radiokommunikationssystem
FI86124C (sv) Radiosändarmottagarsystem
FI110149B (sv) Flerkavitetsavstämning av utdata från en sändare i ett kommunikationssystem
CN1116777C (zh) 用于无线通信的收发信机
US6532223B1 (en) Communication method, transmission method, reception method, base station and terminal
CN1104117C (zh) 跳频/码分多址系统的基站收发两用机
US20140169243A1 (en) Mobile communication circuitry for three or more antennas
EP0399206A1 (en) Signal routing system
US7583934B2 (en) Transceiver apparatus for use in a multi-frequency communication system, base station of a multi-frequency communication system, method for use of the transceiver apparatus, method of transceiving a multi-frequency signal in a multi-frequency communication system
JPS6336624A (ja) デジタル無線伝送系
CN1855748B (zh) 射频收发器集成电路
FI97502C (sv) Förfarande för förbättring av förbindelsekvaliteten i cellulärradiosystem och basstation
FI104525B (sv) Frekvenshoppningsförfarande och radiosystem
WO1993022850A1 (en) A method of increasing interference diversity in an fdma/tdma-based cellular system and cellular system
KR100452788B1 (ko) 편파를 변화시키면서 송신 신호를 발생하기 위한 무선 시스템, 안테나 장치 및 편파 변조기
FI86123C (sv) Radiosändarmottagarsystem
US11862836B2 (en) Radio unit for unsynchronized TDD multi-band operation
CN112425082B (zh) 一种可调天线及通信终端
CN100544217C (zh) 射频收发器集成电路及其本振电路
KR20010060268A (ko) 전자기 신호용 송신/수신 장치, 송신/수신 셀, 송신/수신국 및 주파수 호핑 방법
FI106833B (sv) Förbindelseupprätningsförfarande och sändarmottagare
KR19990009892A (ko) 무선키폰 시스템에서의 무선주파수 신호간섭 최소화방법

Legal Events

Date Code Title Description
MA Patent expired