NO953064D0 - radio System - Google Patents

radio System

Info

Publication number
NO953064D0
NO953064D0 NO953064A NO953064A NO953064D0 NO 953064 D0 NO953064 D0 NO 953064D0 NO 953064 A NO953064 A NO 953064A NO 953064 A NO953064 A NO 953064A NO 953064 D0 NO953064 D0 NO 953064D0
Authority
NO
Norway
Prior art keywords
transmission
via respective
complex
radio system
ctr
Prior art date
Application number
NO953064A
Other languages
Norwegian (no)
Other versions
NO953064L (en
Inventor
Michael Tangemann
Rupert Rheinschmitt
Bernd X Weis
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of NO953064D0 publication Critical patent/NO953064D0/en
Publication of NO953064L publication Critical patent/NO953064L/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)

Abstract

The static or mobile radio station (BTS) has a number of complex weighted transmission signals provided via respective transmission paths with corresponding HF transmission stages (TX), connected to respective antenna elements of an antenna array. A modulation stage (MOD) and an associated control (CTR) are inserted in the transmission path for complex weighting of the transmitted signals, via respective phase shifts and/or amplitude weightings.
NO953064A 1994-08-05 1995-08-04 Radio stations for a mobile radio system with room-sharing multiplex access (SDMA) NO953064L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4427755A DE4427755A1 (en) 1994-08-05 1994-08-05 Fixed or mobile radio station for an SDMA mobile radio system

Publications (2)

Publication Number Publication Date
NO953064D0 true NO953064D0 (en) 1995-08-04
NO953064L NO953064L (en) 1996-02-06

Family

ID=6525003

Family Applications (1)

Application Number Title Priority Date Filing Date
NO953064A NO953064L (en) 1994-08-05 1995-08-04 Radio stations for a mobile radio system with room-sharing multiplex access (SDMA)

Country Status (6)

Country Link
EP (1) EP0696112B1 (en)
AT (1) ATE279817T1 (en)
AU (1) AU699049B2 (en)
DE (2) DE4427755A1 (en)
FI (1) FI953724A (en)
NO (1) NO953064L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3204111B2 (en) * 1996-08-28 2001-09-04 松下電器産業株式会社 Directivity control antenna device
FI101918B (en) * 1996-12-20 1998-09-15 Nokia Telecommunications Oy Packet radio systems using SDMA and method of forming a can al
US5887267A (en) * 1997-04-04 1999-03-23 Ericsson Inc. Bus arbitrators for common local oscillators in cellular radiotelephone base stations
DE19724087A1 (en) * 1997-06-07 1998-12-10 Fraunhofer Ges Forschung Transmitting and receiving device for high-frequency radiation and method for high-frequency transmission
SE511911C2 (en) * 1997-10-01 1999-12-13 Ericsson Telefon Ab L M Antenna unit with a multi-layer structure
SE511907C2 (en) 1997-10-01 1999-12-13 Ericsson Telefon Ab L M Integrated communication device
DE19747366C2 (en) * 1997-10-27 1999-08-12 Siemens Ag Method, base station, receiving device and mobile station for transmitting useful information and signaling information for a mobile communication system
DE10122696C2 (en) * 2001-05-10 2003-06-18 Siemens Ag Transmission method for the transmission of a non-continuously transmitted mobile radio channel as well as mobile radio base station and mobile radio network
DE10145366A1 (en) * 2001-09-14 2003-04-03 Siemens Ag Determining transmission point-specific transmission signals involves determining weighting factors from source and/or transmission point-specific quality criterion
US20030109282A1 (en) * 2001-12-06 2003-06-12 Itzhak Shperling Method and base station for providing phase-shift transmit diversity

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383332A (en) * 1980-11-21 1983-05-10 Bell Telephone Laboratories, Incorporated High capacity digital mobile radio system
JPS6124338A (en) * 1984-07-12 1986-02-03 Nec Corp Multi-direction multiplex communication system
DE3704201A1 (en) * 1987-02-11 1988-09-01 Bbc Brown Boveri & Cie SHORT WAVE DIPOLE GROUPS
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
JP2684888B2 (en) * 1991-08-06 1997-12-03 国際電信電話株式会社 Adaptive array antenna control method
DE4134357A1 (en) * 1991-10-17 1993-04-22 Standard Elektrik Lorenz Ag MESSAGE TRANSFER SYSTEM
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
US5289499A (en) * 1992-12-29 1994-02-22 At&T Bell Laboratories Diversity for direct-sequence spread spectrum systems

Also Published As

Publication number Publication date
EP0696112A2 (en) 1996-02-07
NO953064L (en) 1996-02-06
DE4427755A1 (en) 1996-02-08
FI953724A (en) 1996-02-06
ATE279817T1 (en) 2004-10-15
FI953724A0 (en) 1995-08-04
DE59510960D1 (en) 2004-11-18
EP0696112B1 (en) 2004-10-13
AU2711795A (en) 1996-02-15
AU699049B2 (en) 1998-11-19
EP0696112A3 (en) 2000-05-10

Similar Documents

Publication Publication Date Title
AU1705799A (en) Radio transmission from a communication station with an antenna array to providea desirable radiation pattern
EP0773638A1 (en) Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers
DK0987851T3 (en) Home base with multiple antennas for digital cordless phones
SE9202897D0 (en) DIVERSITY RADIO RECEIVER AUTOMATIC FREQUENCY CONTROL
CA2208276A1 (en) Multiband mobile unit communication apparatus
WO1998007244A3 (en) Diversity circuit for magnetic communication system
SE9703585L (en) communication device
MX9701970A (en) Massive array cellular system.
WO2001063776A3 (en) Transmitting beam forming in smart antenna array systems
CA2126987A1 (en) Power amplifier linearization in a tdma mobile radio system
EP1045472A3 (en) Radiotelephone system with antenna array for vehicles
EP1179895A4 (en) Array antenna base station apparatus
WO2001063779A3 (en) Method and system for economical beam forming in a radio communication system
ATE490608T1 (en) RECEIVING STATION WITH INTERFERENCE SUPPRESSION
MY132988A (en) Space diversity receiving circuit
WO1998034424A3 (en) Cellular communication system with multiple same frequency broadcasts in a cell
NO953064D0 (en) radio System
ATE43462T1 (en) TEST DEVICE FOR SIMULATION OF MULTIWAY INTERFERENCE.
JPS55143854A (en) Mobile radio space diversity system using optical fiber
GB1534379A (en) Communications system
EP0479744B1 (en) A method for reducing the risk of poor reception in a mobile telephony system
FI941374A (en) Digital radio communication equipment with erroneous transmission control
WO2003034621A1 (en) Control station apparatus, base station apparatus, and optical transmission method
FI97661B (en) Procedures for data communication, CDMA transmitters and receivers
WO1998019465A3 (en) Method of combining several signals, and base station

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application