CN104871460A - 双频四分量扩频信号的恒包络信号生成方法和装置、接收方法和装置 - Google Patents

双频四分量扩频信号的恒包络信号生成方法和装置、接收方法和装置 Download PDF

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CN104871460A
CN104871460A CN201380060723.4A CN201380060723A CN104871460A CN 104871460 A CN104871460 A CN 104871460A CN 201380060723 A CN201380060723 A CN 201380060723A CN 104871460 A CN104871460 A CN 104871460A
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signal
base
phase
permanent envelope
spread
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CN104871460B (zh
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姚铮
陆明泉
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Tsinghua University
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Tsinghua University
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/02—Details of the space or ground control segments
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

本申请提出了一种双频四分量扩频信号的恒包络复用信号生成方法，生成装置，接收方法，接收装置。根据该方法，能够将四个基带扩频信号s1(t)，s2(t)，s3(t)，s4(t)分别调制在两个频点f1和f2以实现在射频载波频率fP＝(f1+f2)/2上生成恒包络复用信号，其中，s1(t)和s2(t)调制在f1上且载波相位彼此正交，s3(t)和s4(t)调制在f2上且载波相位彼此正交，f1>f2。该方法包括：确定将在恒包络复用信号中为四个基带扩频信号s1(t)，s2(t)，s3(t)，s4(t)分配的功率比；存储附加相位查找表，所述附加相位查找表包括恒包络复用信号的同相基带分量I(t)和正交基带分量Q(t)的附加相位；查询所述附加相位查找表，获得当前时刻所处的时间段的附加相位θ；根据所获得的附加相位θ，生成所述恒包络复用信号的同相基带分量I(t)和正交基带分量Q(t)，并生成具有恒包络的复用信号SRF(t)。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380060723.4A 2012-11-23 2013-11-22 双频四分量扩频信号的恒包络信号生成方法和装置、接收方法和装置 Active CN104871460B (zh)

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CN2012104846138 2012-11-23
PCT/CN2013/087732 WO2014079390A1 (zh) 2012-11-23 2013-11-22 双频四分量扩频信号的恒包络信号生成方法和装置、接收方法和装置
CN201380060723.4A CN104871460B (zh) 2012-11-23 2013-11-22 双频四分量扩频信号的恒包络信号生成方法和装置、接收方法和装置

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EP (1) EP2924899B1 (zh)
JP (1) JP6095082B2 (zh)
KR (1) KR101728258B1 (zh)
CN (2) CN103023598B (zh)
AU (1) AU2013350180B2 (zh)
BR (1) BR112015011874B1 (zh)
CA (1) CA2892443C (zh)
HK (1) HK1209244A1 (zh)
MY (1) MY167961A (zh)
NZ (1) NZ709287A (zh)
RU (1) RU2628529C2 (zh)
WO (1) WO2014079390A1 (zh)
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Publication number Publication date
CN104871460B (zh) 2017-12-15
WO2014079390A1 (zh) 2014-05-30
RU2628529C2 (ru) 2017-08-18
HK1209244A1 (zh) 2016-03-24
EP2924899B1 (en) 2019-12-25
EP2924899A1 (en) 2015-09-30
NZ709287A (en) 2016-08-26
JP6095082B2 (ja) 2017-03-15
JP2016503628A (ja) 2016-02-04
BR112015011874B1 (pt) 2019-12-03
US20160191187A1 (en) 2016-06-30
MY167961A (en) 2018-10-09
AU2013350180A1 (en) 2015-07-09
KR20150087382A (ko) 2015-07-29
BR112015011874A2 (pt) 2017-07-11
US9680594B2 (en) 2017-06-13
RU2015122366A (ru) 2017-01-10
ZA201504473B (en) 2016-07-27
EP2924899A4 (en) 2016-07-20
CN103023598A (zh) 2013-04-03
AU2013350180B2 (en) 2016-11-17
CA2892443A1 (en) 2014-05-30
CN103023598B (zh) 2016-03-30
KR101728258B1 (ko) 2017-04-18
CA2892443C (en) 2017-11-21

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