BRPI1011775A2 - método e aparelho para gerar padrões tempo-frequência para sinal de referência em um sistema sem fio ofdm. - Google Patents

método e aparelho para gerar padrões tempo-frequência para sinal de referência em um sistema sem fio ofdm.

Info

Publication number
BRPI1011775A2
BRPI1011775A2 BRPI1011775A BRPI1011775A BRPI1011775A2 BR PI1011775 A2 BRPI1011775 A2 BR PI1011775A2 BR PI1011775 A BRPI1011775 A BR PI1011775A BR PI1011775 A BRPI1011775 A BR PI1011775A BR PI1011775 A2 BRPI1011775 A2 BR PI1011775A2
Authority
BR
Brazil
Prior art keywords
reference signal
wireless system
frequency reference
signal patterns
generating time
Prior art date
Application number
BRPI1011775A
Other languages
English (en)
Inventor
Weimin Xiao
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BRPI1011775A2 publication Critical patent/BRPI1011775A2/pt
Publication of BRPI1011775B1 publication Critical patent/BRPI1011775B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
BRPI1011775-0A 2009-06-19 2010-06-21 Método para um sistema de comunicação sem fio BRPI1011775B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21884109P 2009-06-19 2009-06-19
US61/218,841 2009-06-19
US12/818,633 2010-06-18
US12/818,633 US8467346B2 (en) 2009-06-19 2010-06-18 Method and apparatus for generating time-frequency patterns for reference signal in an OFDM wireless communication system
PCT/CN2010/074150 WO2010145568A1 (en) 2009-06-19 2010-06-21 Method and apparatus for generating time-frequency patterns for reference signal in an ofdm wireless communication system

Publications (2)

Publication Number Publication Date
BRPI1011775A2 true BRPI1011775A2 (pt) 2016-03-29
BRPI1011775B1 BRPI1011775B1 (pt) 2021-04-13

Family

ID=43354313

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011775-0A BRPI1011775B1 (pt) 2009-06-19 2010-06-21 Método para um sistema de comunicação sem fio

Country Status (9)

Country Link
US (2) US8467346B2 (pt)
EP (2) EP2670064B1 (pt)
CN (2) CN104753847B (pt)
BR (1) BRPI1011775B1 (pt)
ES (1) ES2442795T3 (pt)
PT (1) PT2670064T (pt)
RU (2) RU2553575C2 (pt)
WO (1) WO2010145568A1 (pt)
ZA (1) ZA201109190B (pt)

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CN106254298A (zh) * 2016-09-29 2016-12-21 深圳市茁壮网络股份有限公司 信号处理方法及装置
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US10512056B2 (en) * 2017-05-05 2019-12-17 Futurewei Technologies, Inc. System and method for network positioning of devices in a beamformed communications system
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Also Published As

Publication number Publication date
RU2011152622A (ru) 2013-07-27
US20100322184A1 (en) 2010-12-23
WO2010145568A1 (en) 2010-12-23
US8320324B2 (en) 2012-11-27
ZA201109190B (en) 2013-02-27
CN102804636B (zh) 2015-03-25
EP2443768B1 (en) 2013-10-23
EP2670064B1 (en) 2016-11-02
US20120020302A1 (en) 2012-01-26
CN104753847A (zh) 2015-07-01
RU2553575C2 (ru) 2015-06-20
EP2670064A1 (en) 2013-12-04
CN102804636A (zh) 2012-11-28
CN104753847B (zh) 2018-11-06
EP2443768A4 (en) 2012-08-29
PT2670064T (pt) 2017-01-26
US8467346B2 (en) 2013-06-18
ES2442795T3 (es) 2014-02-13
BRPI1011775B1 (pt) 2021-04-13
RU2496235C2 (ru) 2013-10-20
EP2443768A1 (en) 2012-04-25
RU2013133449A (ru) 2015-01-27

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04B 7/216

Ipc: G01S 1/20 (1968.09), G01S 5/00 (1968.09), H04L 5/0

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Correction of the decision to grant [chapter 9.1.4 patent gazette]

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B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/04/2021, OBSERVADAS AS CONDICOES LEGAIS.