NO20065210L - Fremgangsmate og apparat for valg mellom flere baerebolger ved bruk av en enkelt mottakerkjede avstemt til en enkelt baerebolger - Google Patents

Fremgangsmate og apparat for valg mellom flere baerebolger ved bruk av en enkelt mottakerkjede avstemt til en enkelt baerebolger

Info

Publication number
NO20065210L
NO20065210L NO20065210A NO20065210A NO20065210L NO 20065210 L NO20065210 L NO 20065210L NO 20065210 A NO20065210 A NO 20065210A NO 20065210 A NO20065210 A NO 20065210A NO 20065210 L NO20065210 L NO 20065210L
Authority
NO
Norway
Prior art keywords
carrier
band
receiver
carriers
signal
Prior art date
Application number
NO20065210A
Other languages
English (en)
Inventor
Rajiv Laroia
Junyi Li
Frank A Lane
Original Assignee
Qualcomm Flarion Tech
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 Qualcomm Flarion Tech filed Critical Qualcomm Flarion Tech
Publication of NO20065210L publication Critical patent/NO20065210L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Transmission System (AREA)

Abstract

Valget mellom flere bærere (bærebølger eller bærefrekvenser) bruker mottakere som er tilpasset bærefrekvensvalg i trådløse kommunikasjonssystemer hvor flere bærefrekvenser brukes. Selv om mottakeren er avstemt til et enkelt frekvensbånd, kan et estimat for kanalkvaliteten i den i øyeblikket brukte bærer og likeledes i en alternativ bærer frembringes uten at mottakeren må kople om mellom bærerne. Sendere som hører til forskjellig celle/sektor i et dekningsområde bruker forskjellig bærefrekvens, men kan periodisk sende ved bruk av en nabosektors bærefrekvens. Mobile knutepunktmottakere bruker en enkelt RF-kjede med et styrbart RF-filter til å motta og behandle et signal i det første valgte bærerbånd, idet signalet omfatter to komponenter, nemlig en første som identifiseres med det første valgte bånd og en andre komponent som identifiseres med det andre alternative bånd. Separate kvalitetsindikatorverdier oppnås ut fra den første og andre signalkomponent, sammenliknes og fører til en bestemmelse av om mottakerens filter skal koples om til det andre bånd eller ikke.
NO20065210A 2004-04-15 2006-11-14 Fremgangsmate og apparat for valg mellom flere baerebolger ved bruk av en enkelt mottakerkjede avstemt til en enkelt baerebolger NO20065210L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56290004P 2004-04-15 2004-04-15
US10/872,674 US6990324B2 (en) 2004-04-15 2004-06-21 Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
PCT/US2004/034129 WO2005109701A1 (en) 2004-04-15 2004-10-15 Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier

Publications (1)

Publication Number Publication Date
NO20065210L true NO20065210L (no) 2006-12-18

Family

ID=35096887

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20065210A NO20065210L (no) 2004-04-15 2006-11-14 Fremgangsmate og apparat for valg mellom flere baerebolger ved bruk av en enkelt mottakerkjede avstemt til en enkelt baerebolger

Country Status (16)

Country Link
US (2) US6990324B2 (no)
EP (2) EP2254255B1 (no)
JP (3) JP2007533253A (no)
KR (1) KR100883527B1 (no)
CN (2) CN1998170B (no)
AU (2) AU2004319484C1 (no)
BR (1) BRPI0418747A (no)
CA (1) CA2562680C (no)
EG (1) EG24346A (no)
IL (1) IL178605A (no)
MX (1) MXPA06011856A (no)
NO (1) NO20065210L (no)
NZ (1) NZ550515A (no)
RU (2) RU2369006C2 (no)
WO (1) WO2005109701A1 (no)
ZA (1) ZA200608583B (no)

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US9118358B2 (en) 2015-08-25
US6990324B2 (en) 2006-01-24
US20060084404A1 (en) 2006-04-20
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