SE455981B - Diversitetskombinator - Google Patents

Diversitetskombinator

Info

Publication number
SE455981B
SE455981B SE8605387A SE8605387A SE455981B SE 455981 B SE455981 B SE 455981B SE 8605387 A SE8605387 A SE 8605387A SE 8605387 A SE8605387 A SE 8605387A SE 455981 B SE455981 B SE 455981B
Authority
SE
Sweden
Prior art keywords
intermediate frequency
current
signal
frequency signal
pair
Prior art date
Application number
SE8605387A
Other languages
English (en)
Swedish (sv)
Other versions
SE8605387L (sv
SE8605387D0 (sv
Inventor
B M I Lennartsson
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
Priority to SE8605387A priority Critical patent/SE455981B/sv
Publication of SE8605387D0 publication Critical patent/SE8605387D0/xx
Priority to EP87850381A priority patent/EP0272236B1/fr
Priority to DE8787850381T priority patent/DE3768626D1/de
Priority to US07/132,182 priority patent/US4868890A/en
Priority to JP62315963A priority patent/JP2656050B2/ja
Publication of SE8605387L publication Critical patent/SE8605387L/
Publication of SE455981B publication Critical patent/SE455981B/sv

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Networks Using Active Elements (AREA)
SE8605387A 1986-12-15 1986-12-15 Diversitetskombinator SE455981B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8605387A SE455981B (sv) 1986-12-15 1986-12-15 Diversitetskombinator
EP87850381A EP0272236B1 (fr) 1986-12-15 1987-12-08 Combineur de diversité
DE8787850381T DE3768626D1 (de) 1986-12-15 1987-12-08 Vielfalt-kombinator.
US07/132,182 US4868890A (en) 1986-12-15 1987-12-14 Diversity combiner
JP62315963A JP2656050B2 (ja) 1986-12-15 1987-12-14 ダイバーシティ結合器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8605387A SE455981B (sv) 1986-12-15 1986-12-15 Diversitetskombinator

Publications (3)

Publication Number Publication Date
SE8605387D0 SE8605387D0 (sv) 1986-12-15
SE8605387L SE8605387L (sv) 1988-06-16
SE455981B true SE455981B (sv) 1988-08-22

Family

ID=20366646

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8605387A SE455981B (sv) 1986-12-15 1986-12-15 Diversitetskombinator

Country Status (5)

Country Link
US (1) US4868890A (fr)
EP (1) EP0272236B1 (fr)
JP (1) JP2656050B2 (fr)
DE (1) DE3768626D1 (fr)
SE (1) SE455981B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227908B (en) * 1988-11-23 1993-12-08 Gen Electric Co Plc Radio receiver antenna systems
WO1990011656A1 (fr) * 1989-03-28 1990-10-04 Nippon Telegraph And Telephone Corporation Circuit recepteur en diversite
NZ239733A (en) * 1990-09-21 1994-04-27 Ericsson Ge Mobile Communicat Mobile telephone diversity reception with predetect signal combination
US5321850A (en) * 1991-10-09 1994-06-14 Telefonaktiebolaget L M Ericsson Diversity radio receiver automatic frequency control
SE470520B (sv) * 1992-11-09 1994-06-27 Ericsson Telefon Ab L M Radiomodul ingående i en primär radiostation jämte radiostruktur innehållande sådana moduler
SE503785C2 (sv) * 1994-12-12 1996-09-02 Ericsson Telefon Ab L M Förfarande och anordning för att sammanlagra signaler
JP2003018057A (ja) * 2001-07-05 2003-01-17 Alps Electric Co Ltd アンテナ受信装置
EP2113145B1 (fr) * 2006-11-29 2011-01-19 Telecom Italia S.p.A. Système et procédé d'antenne directive à commutation avec combinaison de fréquence radio pondérée à commande numérique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631344A (en) * 1969-12-12 1971-12-28 Itt Ratio squared predetection combining diversity receiving system
JPS5335391Y2 (fr) * 1973-08-28 1978-08-30
JPS5186914A (fr) * 1975-01-28 1976-07-30 Nippon Electric Co
US4210871A (en) * 1978-09-01 1980-07-01 The United States Of America As Represented By The Secretary Of The Navy Optimum diversity combining circuit for a plurality of channels
JPS58191538A (ja) * 1982-04-30 1983-11-08 Clarion Co Ltd 車載用ダイバ−シテイ受信装置
JPS59181732A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 携帯用無線機におけるダイバ−シチ−受信方式
US4696058A (en) * 1983-12-06 1987-09-22 Matsushita Electric Industrial Co., Ltd. Diversity receiver
JPS60232727A (ja) * 1984-05-01 1985-11-19 Hitachi Ltd 一系統ダイバシテイ制御回路

Also Published As

Publication number Publication date
JP2656050B2 (ja) 1997-09-24
SE8605387L (sv) 1988-06-16
DE3768626D1 (de) 1991-04-18
EP0272236B1 (fr) 1991-03-13
JPS63164638A (ja) 1988-07-08
EP0272236A1 (fr) 1988-06-22
US4868890A (en) 1989-09-19
SE8605387D0 (sv) 1986-12-15

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