AU2014308548B2 - A multiuser communications system - Google Patents

A multiuser communications system Download PDF

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Publication number
AU2014308548B2
AU2014308548B2 AU2014308548A AU2014308548A AU2014308548B2 AU 2014308548 B2 AU2014308548 B2 AU 2014308548B2 AU 2014308548 A AU2014308548 A AU 2014308548A AU 2014308548 A AU2014308548 A AU 2014308548A AU 2014308548 B2 AU2014308548 B2 AU 2014308548B2
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AU
Australia
Prior art keywords
signal
user
estimate
soft
frequency
Prior art date
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Application number
AU2014308548A
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English (en)
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AU2014308548A1 (en
Inventor
Sorin Adrian BARBULESCU
John Lawrence Buetefuer
William George COWLEY
Linda Mary Davis
Alexander James Grant
David Victor Lawrie Haley
Ingmar Rudiger LAND
Marc Pierre Denis LAVENANT
Gottfried LECHNER
Robert George McKILLIAM
Andre POLLOK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Myriota Pty Ltd
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Myriota Pty 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
Priority claimed from AU2013903163A external-priority patent/AU2013903163A0/en
Application filed by Myriota Pty Ltd filed Critical Myriota Pty Ltd
Priority to AU2014308548A priority Critical patent/AU2014308548B2/en
Publication of AU2014308548A1 publication Critical patent/AU2014308548A1/en
Assigned to MYRIOTA PTY LTD reassignment MYRIOTA PTY LTD Request for Assignment Assignors: UNIVERSITY OF SOUTH AUSTRALIA
Application granted granted Critical
Publication of AU2014308548B2 publication Critical patent/AU2014308548B2/en
Priority to AU2018264123A priority patent/AU2018264123A1/en
Priority to AU2020289718A priority patent/AU2020289718B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
AU2014308548A 2013-08-21 2014-08-21 A multiuser communications system Active AU2014308548B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2014308548A AU2014308548B2 (en) 2013-08-21 2014-08-21 A multiuser communications system
AU2018264123A AU2018264123A1 (en) 2013-08-21 2018-11-16 A multiuser communications system
AU2020289718A AU2020289718B2 (en) 2013-08-21 2020-12-14 A multiuser communications system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2013903163A AU2013903163A0 (en) 2013-08-21 Multiuser communication system
AU2013903163 2013-08-21
PCT/AU2014/000826 WO2015024056A1 (en) 2013-08-21 2014-08-21 A multiuser communications system
AU2014308548A AU2014308548B2 (en) 2013-08-21 2014-08-21 A multiuser communications system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2018264123A Division AU2018264123A1 (en) 2013-08-21 2018-11-16 A multiuser communications system

Publications (2)

Publication Number Publication Date
AU2014308548A1 AU2014308548A1 (en) 2016-02-18
AU2014308548B2 true AU2014308548B2 (en) 2018-10-04

Family

ID=52482832

Family Applications (3)

Application Number Title Priority Date Filing Date
AU2014308548A Active AU2014308548B2 (en) 2013-08-21 2014-08-21 A multiuser communications system
AU2018264123A Abandoned AU2018264123A1 (en) 2013-08-21 2018-11-16 A multiuser communications system
AU2020289718A Active AU2020289718B2 (en) 2013-08-21 2020-12-14 A multiuser communications system

Family Applications After (2)

Application Number Title Priority Date Filing Date
AU2018264123A Abandoned AU2018264123A1 (en) 2013-08-21 2018-11-16 A multiuser communications system
AU2020289718A Active AU2020289718B2 (en) 2013-08-21 2020-12-14 A multiuser communications system

Country Status (6)

Country Link
US (2) US10284286B2 (enExample)
EP (1) EP3036837B1 (enExample)
JP (1) JP6586418B2 (enExample)
AU (3) AU2014308548B2 (enExample)
CA (1) CA2920292C (enExample)
WO (1) WO2015024056A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2920292C (en) * 2013-08-21 2021-06-22 University Of South Australia A multiuser communications system
WO2017058801A1 (en) * 2015-09-28 2017-04-06 Zahir Raza Improved signal detection in dynamic channels with high carrier frequency offset
EP3455983B1 (en) * 2016-05-11 2021-09-08 IDAC Holdings, Inc. Uplink asynchronous non-orthogonal multiple access
JP6889468B2 (ja) * 2017-01-25 2021-06-18 国立研究開発法人情報通信研究機構 通信資源の同時共用が可能なセンサデバイス用通信システム
US10178697B2 (en) * 2017-02-22 2019-01-08 Mitsubishi Electric Research Laboratories Systems and methods for separating collided packets in shared wireless channels
JP6297244B1 (ja) * 2017-07-27 2018-03-20 三菱電機株式会社 受信装置
AU2019200432A1 (en) * 2018-12-07 2020-06-25 Fleet Space Technologies Pty Ltd Remote LPWAN gateway with backhaul over a high-latency communication system
FR3094589B1 (fr) * 2019-03-28 2021-02-19 Thales Sa Système et procédé d'estimation d'une erreur de pointage d'une antenne satellite
CN110784286B (zh) * 2019-11-01 2022-05-03 重庆邮电大学 基于压缩感知的非正交多址接入系统的多用户检测方法
US11569927B2 (en) * 2021-04-29 2023-01-31 L3Harris Technologies, Inc. Algorithm and techniques for high-resolution interference parameter estimation in low-swap environment
US12401445B2 (en) * 2021-04-29 2025-08-26 L3 Harris Technologies, Inc. Interference detection and coarse parameter estimation using learned and inferred baseline information

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579338A (en) * 1992-06-29 1996-11-26 Mitsubishi Denki Kabushiki Kaisha Spread spectrum receiver using partial correlations
US5666378A (en) 1994-03-18 1997-09-09 Glenayre Electronics, Inc. High performance modem using pilot symbols for equalization and frame synchronization
US6137843A (en) * 1995-02-24 2000-10-24 Ericsson Inc. Methods and apparatus for canceling adjacent channel signals in digital communications systems
US6211815B1 (en) * 1997-07-25 2001-04-03 Honeywell International Inc. Coherent radar detection using non-coherent architecture
US6393047B1 (en) * 1998-06-16 2002-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Quadriphase spreading codes in code division multiple access communications
US20020110206A1 (en) * 1998-11-12 2002-08-15 Neal Becker Combined interference cancellation with FEC decoding for high spectral efficiency satellite communications
US6671338B1 (en) * 1998-11-12 2003-12-30 Hughes Electronics Corporation Combined interference cancellation with FEC decoding for high spectral efficiency satellite communications
US6810090B1 (en) 1999-02-18 2004-10-26 Sarnoff Corporation Direct digital vestigial sideband (VSB) modulator
US6996080B1 (en) * 1999-07-23 2006-02-07 Itt Manufacturing Enterprises, Inc. Chip-synchronous CDMA multiplexer and method resulting in constant envelope signals
AU2990700A (en) * 1999-10-19 2001-04-30 Interdigital Technology Corporation Receiver for multiuser detection of cdma signals
US7058422B2 (en) * 2000-09-20 2006-06-06 Bae Systems Information And Electronic Systems Integration Inc. Method for overusing frequencies to permit simultaneous transmission of signals from two or more users on the same frequency and time slot
US7110349B2 (en) 2001-03-06 2006-09-19 Brn Phoenix, Inc. Adaptive communications methods for multiple user packet radio wireless networks
US7136428B2 (en) * 2001-08-06 2006-11-14 Qualcomm, Inc. Systems and techniques for measuring the performance of a communications system
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
JP2003152682A (ja) * 2001-11-09 2003-05-23 Telefon Ab Lm Ericsson Publ 干渉除去方法、干渉除去装置及び受信装置
AU2003903826A0 (en) 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
WO2003107546A1 (en) * 2002-06-14 2003-12-24 Dspace Pty Ltd Method and receiver for processing a multi-user signal
US20040005010A1 (en) * 2002-07-05 2004-01-08 National University Of Singapore Channel estimator and equalizer for OFDM systems
US7787572B2 (en) * 2005-04-07 2010-08-31 Rambus Inc. Advanced signal processors for interference cancellation in baseband receivers
US7099378B2 (en) * 2003-01-30 2006-08-29 The Mitre Corporation Sub-symbol parallel interference cancellation
WO2004095713A2 (en) * 2003-04-14 2004-11-04 Bae Systems Information And Electronic Systems Integration Inc. Joint symbol, amplitude, and rate estimator
JP4057471B2 (ja) * 2003-06-06 2008-03-05 日本電信電話株式会社 搬送波同期回路
WO2005015732A2 (en) * 2003-08-07 2005-02-17 Nokia Corporation, Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers
US20070127355A1 (en) * 2003-12-05 2007-06-07 Koninklijke Philips Electronics N.V. Method and apparatus of noise variance estimation for use in wireless communication systems
JP4358686B2 (ja) * 2004-06-17 2009-11-04 富士通株式会社 フェージング周波数推定装置およびその推定方法
US7548564B2 (en) * 2004-12-10 2009-06-16 Electronics And Telecommunications Research Institute Method and apparatus for transmitting data based on OFDM
BRPI0514916A (pt) 2005-01-05 2008-06-24 Atc Tech Llc método de comunicação, sistema, detector redutor de interferência para um sistema de comunicação de satélite, portal para um sistema de terminal sem fios de satélite, redutor de interferência, transmissor para um componente, radioterminal, e, método de reduzir interferência
KR100838519B1 (ko) * 2006-11-27 2008-06-17 전자부품연구원 Ｄｓ-ｃｄｍａ 시스템의 검출-디코딩 연동 수신기
KR100877750B1 (ko) 2006-12-27 2009-01-12 포스데이타 주식회사 직교주파수 분할 다중 접속 시스템의 파일럿 톤 생성 방법및 장치와 이를 이용한 채널추정 방법 및 장치
US8238499B2 (en) * 2008-08-29 2012-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for low-complexity interference cancellation in communication signal processing
US8483312B2 (en) * 2009-09-01 2013-07-09 Panasonic Corporation Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters
AU2011269663B2 (en) * 2010-06-24 2016-01-14 Cohda Wireless Pty Ltd Estimation of a multipath signal in a wireless communication system
US8693588B2 (en) * 2011-02-24 2014-04-08 Qualcomm Incorporated Two-step joint demapping algorithm for LLR computation of MIMO signal based on sphere decoding
JP5635457B2 (ja) * 2011-07-01 2014-12-03 日本電信電話株式会社 無線通信システム、通信装置、無線通信方法、及び送信方法
WO2013165290A1 (en) * 2012-05-04 2013-11-07 Telefonaktiebolaget L M Ericsson (Publ) Method, receiver device, network node and mobile communication terminal for decoding transmissions
US8908743B2 (en) * 2012-09-26 2014-12-09 Intel Mobile Communications GmbH Receiver with multi layer interference cancellation
CA2920292C (en) * 2013-08-21 2021-06-22 University Of South Australia A multiuser communications system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BRUNEL, L, MOTTIER, D:" Iterative interference cancellation scheme with pilot-aided space-time estimation in DS-CDMA systems", Vehicular Technology Conference, 2001. VTC 2001 Fall. IEEE VTS 54th, Volume 1, p.197-201. *
LATVA-AHO, M.:" Residual interference suppression in parallel interference cancellation receivers", Communications, 6-10 June 1999. ICC '99. 1999 IEEE International Conference on, Volume 2, p.927-931. *

Also Published As

Publication number Publication date
EP3036837B1 (en) 2018-10-17
EP3036837A4 (en) 2017-04-12
CA2920292A1 (en) 2015-02-26
AU2018264123A1 (en) 2018-12-06
WO2015024056A1 (en) 2015-02-26
AU2014308548A1 (en) 2016-02-18
JP6586418B2 (ja) 2019-10-02
US20160204852A1 (en) 2016-07-14
US20190372657A1 (en) 2019-12-05
EP3036837A1 (en) 2016-06-29
US11139886B2 (en) 2021-10-05
JP2016533681A (ja) 2016-10-27
AU2020289718A1 (en) 2021-01-21
US10284286B2 (en) 2019-05-07
CA2920292C (en) 2021-06-22
AU2020289718B2 (en) 2022-11-24

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Owner name: MYRIOTA PTY LTD

Free format text: FORMER APPLICANT(S): UNIVERSITY OF SOUTH AUSTRALIA

FGA Letters patent sealed or granted (standard patent)