BRPI0517364A - método e aparelho para criptografia de comunicação pelo ar em sistema de comunicação sem fio - Google Patents
método e aparelho para criptografia de comunicação pelo ar em sistema de comunicação sem fioInfo
- Publication number
- BRPI0517364A BRPI0517364A BRPI0517364-7A BRPI0517364A BRPI0517364A BR PI0517364 A BRPI0517364 A BR PI0517364A BR PI0517364 A BRPI0517364 A BR PI0517364A BR PI0517364 A BRPI0517364 A BR PI0517364A
- Authority
- BR
- Brazil
- Prior art keywords
- symbol
- encrypted
- encryption
- symbols
- physical layer
- Prior art date
Links
Classifications
-
- 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), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/10—Demodulating pulses which have been modulated with a continuously-variable signal of pulses having combined modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/006—Secret communication by varying or inverting the phase, at periodic or random intervals
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61259604P | 2004-09-23 | 2004-09-23 | |
US60/612,596 | 2004-09-23 | ||
US11/209,058 US7804912B2 (en) | 2004-09-23 | 2005-08-22 | Method and apparatus for encryption of over-the-air communications in a wireless communication system |
US11/209,058 | 2005-08-22 | ||
PCT/US2005/032541 WO2006036533A2 (en) | 2004-09-23 | 2005-09-12 | Method and apparatus for encryption of over-the-air communications in a wireless communication system |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0517364A true BRPI0517364A (pt) | 2008-10-07 |
BRPI0517364A8 BRPI0517364A8 (pt) | 2016-11-08 |
BRPI0517364B1 BRPI0517364B1 (pt) | 2019-04-09 |
Family
ID=36073952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0517364-7A BRPI0517364B1 (pt) | 2004-09-23 | 2005-09-12 | Método e aparelho para criptografia de comunicação pelo ar em sistema de comunicação sem fio |
Country Status (9)
Country | Link |
---|---|
US (1) | US7804912B2 (pt) |
EP (1) | EP1794893B1 (pt) |
JP (1) | JP4685108B2 (pt) |
KR (1) | KR100915769B1 (pt) |
AU (1) | AU2005289940B2 (pt) |
BR (1) | BRPI0517364B1 (pt) |
CA (3) | CA2733205C (pt) |
MX (1) | MX2007003452A (pt) |
WO (1) | WO2006036533A2 (pt) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60141923D1 (de) * | 2000-03-28 | 2010-06-02 | Interdigital Tech Corp | Cdma system, welches vor dem senden eine vordrehung benutzt |
US7693284B2 (en) * | 2004-09-23 | 2010-04-06 | Motorola, Inc. | Method and apparatus for encryption of over-the-air communications in a wireless communication system |
KR100981552B1 (ko) * | 2005-06-21 | 2010-09-10 | 삼성전자주식회사 | 주파수분할 다중접속 시스템에서 상향링크 파일롯의 송수신장치 및 방법 |
US8670493B2 (en) | 2005-06-22 | 2014-03-11 | Eices Research, Inc. | Systems and/or methods of increased privacy wireless communications |
US8233554B2 (en) | 2010-03-29 | 2012-07-31 | Eices Research, Inc. | Increased capacity communications for OFDM-based wireless communications systems/methods/devices |
US7876845B2 (en) * | 2005-06-22 | 2011-01-25 | Eices Research, Inc. | Wireless communications systems and/or methods providing low interference, high privacy and/or cognitive flexibility |
USRE47633E1 (en) | 2005-06-22 | 2019-10-01 | Odyssey Wireless Inc. | Systems/methods of conducting a financial transaction using a smartphone |
US8462860B2 (en) * | 2008-07-07 | 2013-06-11 | Eices Research, Inc. | Increased capacity communications systems, methods and/or devices |
WO2007066973A2 (en) * | 2005-12-06 | 2007-06-14 | Lg Electronics Inc. | Apparatus and method for transmitting data using a plurality of carriers |
JP4504317B2 (ja) * | 2006-01-17 | 2010-07-14 | 学校法人同志社 | Mc−cdmaシステム、送信装置および受信装置 |
KR100891818B1 (ko) * | 2006-01-27 | 2009-04-07 | 삼성전자주식회사 | 이동통신 시스템에서 복합 다중 접속 장치 및 방법 |
US8223856B2 (en) * | 2007-08-08 | 2012-07-17 | Rohm Co., Ltd. | Radio communication system carrying out transmission and reception of multicarrier signal, transmission terminal, and reception terminal |
US9374746B1 (en) | 2008-07-07 | 2016-06-21 | Odyssey Wireless, Inc. | Systems/methods of spatial multiplexing |
KR100999260B1 (ko) * | 2008-08-22 | 2010-12-07 | 한국전자통신연구원 | Pn 코드 발생 장치 및 방법 |
JP5024298B2 (ja) * | 2009-01-14 | 2012-09-12 | 三菱電機株式会社 | Ofdm無線通信装置 |
EP2504996A1 (en) * | 2009-11-25 | 2012-10-03 | Thirel B.V. | Card sharing countermeasures |
US9806790B2 (en) | 2010-03-29 | 2017-10-31 | Odyssey Wireless, Inc. | Systems/methods of spectrally efficient communications |
JP2015149576A (ja) * | 2014-02-06 | 2015-08-20 | 国立研究開発法人産業技術総合研究所 | 無線通信システム |
US9877174B2 (en) | 2014-10-15 | 2018-01-23 | Intel IP Corporation | Systems, methods, and devices for extending range of wireless networks |
US10141993B2 (en) | 2016-06-16 | 2018-11-27 | Intel Corporation | Modular antenna array beam forming |
US9806777B1 (en) * | 2016-06-24 | 2017-10-31 | Intel Corporation | Communication device and a method for beamforming |
KR102597605B1 (ko) | 2018-10-18 | 2023-11-02 | 삼성전자주식회사 | 채널 정보에 기반하여 변조방식 및 복조방식을 설정하는 무선 통신장치 및 이의 동작방법 |
GB201817117D0 (en) * | 2018-10-19 | 2018-12-05 | Nat Univ Ireland Maynooth | Encryption method |
CN114844574B (zh) * | 2022-07-04 | 2022-10-18 | 浙江大学湖州研究院 | 一种光纤通信系统及通信方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH073968B2 (ja) * | 1985-12-23 | 1995-01-18 | 沖電気工業株式会社 | 秘話通信装置 |
JPH0754926B2 (ja) * | 1987-05-11 | 1995-06-07 | 沖電気工業株式会社 | 狭帯域秘話通信方法 |
JPH0754927B2 (ja) * | 1987-05-11 | 1995-06-07 | 沖電気工業株式会社 | 音声包絡線スクランブル秘話通信方法 |
JP2856214B2 (ja) * | 1989-03-14 | 1999-02-10 | 富士通株式会社 | 音声秘話装置 |
US4972480A (en) * | 1990-01-10 | 1990-11-20 | General Dynamics (Space Systems Division) | Holographic communications device and method |
JPH0481139A (ja) | 1990-07-24 | 1992-03-13 | Fujitsu Ltd | 音声秘話装置 |
JPH0774731A (ja) * | 1993-09-02 | 1995-03-17 | Anritsu Corp | 秘話音声信号発生装置及び秘話音声信号受信装置 |
DE4339464C2 (de) * | 1993-11-19 | 1995-11-16 | Litef Gmbh | Verfahren zur Sprachverschleierung und -entschleierung bei der Sprachübertragung und Einrichtung zur Durchführung des Verfahrens |
JP2845147B2 (ja) | 1994-12-26 | 1999-01-13 | 日本電気株式会社 | 位相変調暗号化伝送装置及びその送信装置、受信装置 |
JPH09321721A (ja) | 1996-05-27 | 1997-12-12 | Sony Corp | 送信方法,送信装置,受信方法及び受信装置 |
US6359923B1 (en) | 1997-12-18 | 2002-03-19 | At&T Wireless Services, Inc. | Highly bandwidth efficient communications |
US6157679A (en) | 1997-10-17 | 2000-12-05 | Motorola, Inc. | Method of adding encryption/encoding element to the modulation/demodulation process |
EP1130840A3 (en) * | 2000-02-29 | 2003-11-19 | Kabushiki Kaisha Toshiba | Spread-spectrum multicarrier modulation for cellular communication |
KR100795870B1 (ko) | 2000-06-01 | 2008-01-21 | 왓슨 파머수티컬즈, 인코포레이티드 | 라소폭시펜의 경피적 송달 |
JP2004032679A (ja) | 2002-02-28 | 2004-01-29 | Matsushita Electric Ind Co Ltd | 通信装置及び通信システム |
KR20040005175A (ko) * | 2002-07-08 | 2004-01-16 | 삼성전자주식회사 | 직교주파수분할다중화 통신시스템에서 선택적매핑의부가정보 송수신 장치 및 방법 |
US20060045193A1 (en) * | 2004-08-24 | 2006-03-02 | Nokia Corporation | System, transmitter, method, and computer program product for utilizing an adaptive preamble scheme for multi-carrier communication systems |
US7564908B2 (en) * | 2004-09-23 | 2009-07-21 | Motorola, Inc. | Method and apparatus for encryption of over-the-air communications in a wireless communication system |
-
2005
- 2005-08-22 US US11/209,058 patent/US7804912B2/en active Active
- 2005-09-12 BR BRPI0517364-7A patent/BRPI0517364B1/pt not_active IP Right Cessation
- 2005-09-12 JP JP2007533530A patent/JP4685108B2/ja active Active
- 2005-09-12 MX MX2007003452A patent/MX2007003452A/es not_active Application Discontinuation
- 2005-09-12 KR KR1020077006612A patent/KR100915769B1/ko active IP Right Grant
- 2005-09-12 CA CA2733205A patent/CA2733205C/en not_active Expired - Fee Related
- 2005-09-12 WO PCT/US2005/032541 patent/WO2006036533A2/en active Application Filing
- 2005-09-12 EP EP05813283.8A patent/EP1794893B1/en active Active
- 2005-09-12 CA CA2580106A patent/CA2580106C/en not_active Expired - Fee Related
- 2005-09-12 CA CA2826134A patent/CA2826134C/en not_active Expired - Fee Related
- 2005-09-12 AU AU2005289940A patent/AU2005289940B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CA2826134A1 (en) | 2006-04-06 |
WO2006036533A3 (en) | 2006-08-17 |
MX2007003452A (es) | 2007-10-10 |
US7804912B2 (en) | 2010-09-28 |
JP2008515281A (ja) | 2008-05-08 |
EP1794893B1 (en) | 2013-06-05 |
US20060062320A1 (en) | 2006-03-23 |
BRPI0517364A8 (pt) | 2016-11-08 |
AU2005289940A1 (en) | 2006-04-06 |
WO2006036533A2 (en) | 2006-04-06 |
CA2733205A1 (en) | 2006-04-06 |
KR100915769B1 (ko) | 2009-09-04 |
EP1794893A4 (en) | 2011-07-13 |
CA2826134C (en) | 2016-01-12 |
CA2580106A1 (en) | 2006-04-06 |
EP1794893A2 (en) | 2007-06-13 |
CA2733205C (en) | 2012-03-06 |
CA2580106C (en) | 2013-11-12 |
JP4685108B2 (ja) | 2011-05-18 |
BRPI0517364B1 (pt) | 2019-04-09 |
AU2005289940B2 (en) | 2009-08-13 |
KR20070045345A (ko) | 2007-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved |
Owner name: MOTOROLA SOLUTIONS, INC. (US) |
|
B25A | Requested transfer of rights approved |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B25E | Requested change of name of applicant rejected |
Owner name: MOTOROLA MOBILITY, INC. (US) Free format text: INDEFERIDO(S) O(S) PEDIDO(S) DE ALTERACAO(OES) DE NOME CONTIDO(S) NA PETICAO NO 020130025900-RJ, DE 28/03/2013, TENDO EM VISTA O DISPOSTO NO 6O, DO ART. 16, DA LEI 9.279/96. |
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B25D | Requested change of name of applicant approved |
Owner name: MOTOROLA MOBILITY, LLC (US) |
|
B25A | Requested transfer of rights approved |
Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC (US) |
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B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
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 09/04/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 09/04/2019, OBSERVADAS AS CONDICOES LEGAIS |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2687 DE 05-07-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |