CA2920292C - A multiuser communications system - Google Patents
A multiuser communications system Download PDFInfo
- Publication number
- CA2920292C CA2920292C CA2920292A CA2920292A CA2920292C CA 2920292 C CA2920292 C CA 2920292C CA 2920292 A CA2920292 A CA 2920292A CA 2920292 A CA2920292 A CA 2920292A CA 2920292 C CA2920292 C CA 2920292C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- user
- estimate
- soft
- decoder
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2013903163 | 2013-08-21 | ||
| AU2013903163A AU2013903163A0 (en) | 2013-08-21 | Multiuser communication system | |
| PCT/AU2014/000826 WO2015024056A1 (en) | 2013-08-21 | 2014-08-21 | A multiuser communications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2920292A1 CA2920292A1 (en) | 2015-02-26 |
| CA2920292C true CA2920292C (en) | 2021-06-22 |
Family
ID=52482832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2920292A Active CA2920292C (en) | 2013-08-21 | 2014-08-21 | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10284286B2 (en) * | 2013-08-21 | 2019-05-07 | Myriota Pty Ltd | 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)
| 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 |
| CN1221083C (zh) * | 1999-10-19 | 2005-09-28 | 美商内数位科技公司 | Cdma信号多用户检测接收器 |
| 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 |
| ATE355654T1 (de) * | 2002-06-14 | 2006-03-15 | Dspace Pty Ltd | Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals |
| 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 |
| US7539269B2 (en) * | 2003-08-07 | 2009-05-26 | 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 |
| US9083419B2 (en) * | 2010-06-24 | 2015-07-14 | 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 |
| US10284286B2 (en) * | 2013-08-21 | 2019-05-07 | Myriota Pty Ltd | Multiuser communications system |
-
2014
- 2014-08-21 US US14/913,339 patent/US10284286B2/en active Active
- 2014-08-21 EP EP14838564.4A patent/EP3036837B1/en active Active
- 2014-08-21 JP JP2016535270A patent/JP6586418B2/ja active Active
- 2014-08-21 CA CA2920292A patent/CA2920292C/en active Active
- 2014-08-21 WO PCT/AU2014/000826 patent/WO2015024056A1/en not_active Ceased
- 2014-08-21 AU AU2014308548A patent/AU2014308548B2/en active Active
-
2018
- 2018-11-16 AU AU2018264123A patent/AU2018264123A1/en not_active Abandoned
-
2019
- 2019-03-25 US US16/362,912 patent/US11139886B2/en active Active
-
2020
- 2020-12-14 AU AU2020289718A patent/AU2020289718B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3036837B1 (en) | 2018-10-17 |
| US20160204852A1 (en) | 2016-07-14 |
| US10284286B2 (en) | 2019-05-07 |
| AU2020289718B2 (en) | 2022-11-24 |
| JP6586418B2 (ja) | 2019-10-02 |
| EP3036837A1 (en) | 2016-06-29 |
| AU2020289718A1 (en) | 2021-01-21 |
| CA2920292A1 (en) | 2015-02-26 |
| US20190372657A1 (en) | 2019-12-05 |
| AU2014308548B2 (en) | 2018-10-04 |
| JP2016533681A (ja) | 2016-10-27 |
| AU2018264123A1 (en) | 2018-12-06 |
| AU2014308548A1 (en) | 2016-02-18 |
| US11139886B2 (en) | 2021-10-05 |
| EP3036837A4 (en) | 2017-04-12 |
| WO2015024056A1 (en) | 2015-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20190626 |
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| MPN | Maintenance fee for patent paid |
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| U00 | Fee paid |
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| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20240806 Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20240806 |
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| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD Year of fee payment: 11 |
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| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250721 |
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| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250721 |