DE69329111T2 - Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung - Google Patents
Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindungInfo
- Publication number
- DE69329111T2 DE69329111T2 DE69329111T DE69329111T DE69329111T2 DE 69329111 T2 DE69329111 T2 DE 69329111T2 DE 69329111 T DE69329111 T DE 69329111T DE 69329111 T DE69329111 T DE 69329111T DE 69329111 T2 DE69329111 T2 DE 69329111T2
- Authority
- DE
- Germany
- Prior art keywords
- esc
- wireless communication
- communication system
- decryption
- connection
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/888,685 US5243653A (en) | 1992-05-22 | 1992-05-22 | Method and apparatus for maintaining continuous synchronous encryption and decryption in a wireless communication system throughout a hand-off |
PCT/US1993/004420 WO1993025021A1 (en) | 1992-05-22 | 1993-05-11 | Continuous synchronous encryption and decryption in a wireless communications system throughout handoffs |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329111D1 DE69329111D1 (de) | 2000-08-31 |
DE69329111T2 true DE69329111T2 (de) | 2001-03-22 |
Family
ID=25393671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69329111T Expired - Fee Related DE69329111T2 (de) | 1992-05-22 | 1993-05-11 | Kontinuierliche synchrone ver- und entschlüsselung in einem drahtlosen kommunikationssystem während des weiterreichens einer verbindung |
Country Status (14)
Country | Link |
---|---|
US (1) | US5243653A (de) |
EP (1) | EP0641505B1 (de) |
CN (1) | CN1030879C (de) |
AT (1) | ATE195043T1 (de) |
CA (1) | CA2135913C (de) |
DE (1) | DE69329111T2 (de) |
DK (1) | DK0641505T3 (de) |
ES (1) | ES2149816T3 (de) |
GR (1) | GR3034578T3 (de) |
MX (1) | MX9302947A (de) |
MY (1) | MY109185A (de) |
PT (1) | PT641505E (de) |
TW (1) | TW223207B (de) |
WO (1) | WO1993025021A1 (de) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5392354A (en) * | 1991-10-30 | 1995-02-21 | Fujitsu Limited | Cordless phone system capable of scrambling communication signals |
WO1994005109A1 (en) * | 1992-08-25 | 1994-03-03 | Motorola, Inc. | Method and apparatus for performing a hand-off in a wireless communication system |
US5377270A (en) * | 1993-06-30 | 1994-12-27 | United Technologies Automotive, Inc. | Cryptographic authentication of transmitted messages using pseudorandom numbers |
US5363448A (en) * | 1993-06-30 | 1994-11-08 | United Technologies Automotive, Inc. | Pseudorandom number generation and cryptographic authentication |
US5444766A (en) * | 1993-10-01 | 1995-08-22 | At&T Corp. | Mobile-synchronized handoff in a wireless communications system |
US5680131A (en) * | 1993-10-29 | 1997-10-21 | National Semiconductor Corporation | Security system having randomized synchronization code after power up |
US5426643A (en) * | 1993-11-01 | 1995-06-20 | Motorola Inc. | Apparatus and method for transmitting bit synchronous data over an unreliable channel |
US5369706A (en) * | 1993-11-05 | 1994-11-29 | United Technologies Automotive, Inc. | Resynchronizing transmitters to receivers for secure vehicle entry using cryptography or rolling code |
CN1134206A (zh) * | 1993-11-05 | 1996-10-23 | 联合工艺汽车公司 | 远端无按键进入系统中的发射机/接收机对的自动再同步方法 |
US5787078A (en) * | 1994-03-09 | 1998-07-28 | Alcatel N.V. | Frame Synchronization method |
US5592555A (en) * | 1994-04-12 | 1997-01-07 | Advanced Micro Devices, Inc. | Wireless communications privacy method and system |
US5485462A (en) * | 1994-08-25 | 1996-01-16 | Helm; David | Method of facilitating an audio source change in a digital radio communication system |
US5694473A (en) * | 1996-05-17 | 1997-12-02 | Motorola, Inc. | Decryption of retransmitted data in an encrypted communication system |
US5778075A (en) * | 1996-08-30 | 1998-07-07 | Telefonaktiebolaget, L.M. Ericsson | Methods and systems for mobile terminal assisted handover in an private radio communications network |
GB9717868D0 (en) | 1997-08-23 | 1997-10-29 | Philips Electronics Nv | Wireless network |
US6081600A (en) * | 1997-10-03 | 2000-06-27 | Motorola, Inc. | Method and apparatus for signaling privacy in personal communications systems |
US6381250B1 (en) | 1998-01-23 | 2002-04-30 | Innovative Communications Technologies, Inc. | Capacity allocation system using semi-autonomous network elements to implement and control a transmission schedule |
US6426959B1 (en) | 1998-01-20 | 2002-07-30 | Innovative Communications Technologies, Inc. | System and method for facilitating component management in a multiple vendor satellite communications network |
US6418130B1 (en) * | 1999-01-08 | 2002-07-09 | Telefonaktiebolaget L M Ericsson (Publ) | Reuse of security associations for improving hand-over performance |
US6778670B1 (en) * | 1999-08-13 | 2004-08-17 | Legerity, Inc. | Method and apparatus for encryption and decryption |
US7023833B1 (en) | 1999-09-10 | 2006-04-04 | Pulse-Link, Inc. | Baseband wireless network for isochronous communication |
US7088795B1 (en) | 1999-11-03 | 2006-08-08 | Pulse-Link, Inc. | Ultra wide band base band receiver |
US6909785B1 (en) * | 1999-11-11 | 2005-06-21 | Qualcomm, Inc. | Method and apparatus for efficient irregular synchronization of a stream cipher |
US6771776B1 (en) * | 1999-11-11 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for re-synchronization of a stream cipher during handoff |
US7131006B1 (en) | 1999-11-15 | 2006-10-31 | Verizon Laboratories Inc. | Cryptographic techniques for a communications network |
FI109639B (fi) * | 1999-12-22 | 2002-09-13 | Nokia Corp | Menetelmä salausluvun välittämiseksi tiedonsiirtojärjestelmässä ja tiedonsiirtojärjestelmä |
FR2809579B1 (fr) * | 2000-05-23 | 2003-07-04 | Nortel Matra Cellular | Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede |
FR2809576B1 (fr) * | 2000-05-23 | 2002-11-15 | Nortel Matra Cellular | Procede de controle d'un canal entre un terminal radio et une infrastructure de radiocommunication cellulaire, et reseau d'acces mettant en oeuvre un tel procede |
US7460853B2 (en) * | 2000-10-12 | 2008-12-02 | Sony Corporation | Wireless module security system and method |
US7890947B2 (en) * | 2000-10-13 | 2011-02-15 | Sony Corporation | System, method and apparatus for embedded firmware code update |
US6907456B2 (en) | 2000-10-13 | 2005-06-14 | Sony Corporation | Default portal site access with wireless module |
US20020080741A1 (en) * | 2000-10-13 | 2002-06-27 | Akihiko Toyoshima | Multiple wireless format phone system and method |
US7020118B2 (en) * | 2000-10-13 | 2006-03-28 | Sony Corporation | System and method for activation of a wireless module |
US7230939B2 (en) * | 2000-10-13 | 2007-06-12 | Sony Corporation | Home network using wireless module |
DE10056361A1 (de) * | 2000-11-14 | 2002-05-23 | Philips Corp Intellectual Pty | Drahtloses Netzwerk zur Übermittlung von Parametern für eine verschlüsselte Datenübertragung |
CA2467522C (en) * | 2000-12-19 | 2011-03-29 | At&T Wireless Services, Inc. | Synchronization of encryption in a wireless communication system |
US7684565B2 (en) * | 2001-01-16 | 2010-03-23 | General Instrument Corporation | System for securely communicating information packets |
JP4391088B2 (ja) * | 2001-04-18 | 2009-12-24 | アイピージー エレクトロニクス 503 リミテッド | 部分暗号化を用いるオーディオ符号化 |
JP3687576B2 (ja) * | 2001-07-11 | 2005-08-24 | 日本電気株式会社 | Atmセル/パケットスイッチ及び該スイッチを用いた通信制御方法 |
US7336952B2 (en) * | 2001-10-24 | 2008-02-26 | Qualcomm, Incorporated | Method and system for hard handoff in a broadcast communication system |
KR100416232B1 (ko) * | 2001-12-12 | 2004-01-31 | 한국전자통신연구원 | 이중화된 노드들의 씨엠에스 보안 서비스 시스템 및 제공방법 |
US7050947B2 (en) * | 2002-01-04 | 2006-05-23 | Siemens Vdo Automotive Corporation | Remote control communication including secure synchronization |
US20040236939A1 (en) * | 2003-02-20 | 2004-11-25 | Docomo Communications Laboratories Usa, Inc. | Wireless network handoff key |
GB0322683D0 (en) * | 2003-09-27 | 2003-10-29 | Koninkl Philips Electronics Nv | Data encryption method and apparatus |
CN100388849C (zh) * | 2003-12-18 | 2008-05-14 | 中国电子科技集团公司第三十研究所 | 数字蜂窝移动通信系统用户切换时密钥的管理分配传递方法 |
US8543723B2 (en) * | 2004-07-27 | 2013-09-24 | Sony Corporation | Home network system with transmission error recovery |
GB2418575B (en) * | 2004-09-22 | 2007-01-24 | Motorola Inc | Receiver and method of receiving an encrypted communication |
CN101237381B (zh) * | 2007-02-02 | 2010-07-07 | 华为技术有限公司 | 一种传送start值的方法及系统 |
US8249616B2 (en) * | 2007-08-23 | 2012-08-21 | Texas Instruments Incorporated | Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks |
CN101472305B (zh) * | 2007-12-26 | 2012-01-25 | 电信科学技术研究院 | 一种实现小区切换的方法、系统及装置 |
JP2009164695A (ja) * | 2007-12-28 | 2009-07-23 | Fujitsu Ltd | 無線通信システムおよび無線通信装置 |
WO2009155002A2 (en) * | 2008-05-27 | 2009-12-23 | Viasat, Inc. | Time of day encryption using tdma timing |
EP2648449B1 (de) * | 2012-04-05 | 2019-10-16 | Airbus Defence and Space Oy | Zellenneuauswahl in Telekommunikationssystemen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4815128A (en) * | 1986-07-03 | 1989-03-21 | Motorola, Inc. | Gateway system and method for interconnecting telephone calls with a digital voice protected radio network |
US4893308A (en) * | 1986-09-03 | 1990-01-09 | Motorola, Inc. | Method and apparatus for time companding a digital voice signal |
US4893339A (en) * | 1986-09-03 | 1990-01-09 | Motorola, Inc. | Secure communication system |
SE465797B (sv) * | 1990-03-07 | 1991-10-28 | Ericsson Telefon Ab L M | Foerfarande att oeverfoera synkroniseringsinformation vid krypterad oeverfoering i ett mobilradiosystem |
US5081679A (en) * | 1990-07-20 | 1992-01-14 | Ericsson Ge Mobile Communications Holding Inc. | Resynchronization of encryption systems upon handoff |
US5148485A (en) * | 1990-07-20 | 1992-09-15 | Ericsson Ge Mobile Communications Holding, Inc. | Encrypton system for digital cellular communications |
-
1992
- 1992-05-22 US US07/888,685 patent/US5243653A/en not_active Expired - Lifetime
-
1993
- 1993-05-11 DK DK93911216T patent/DK0641505T3/da active
- 1993-05-11 WO PCT/US1993/004420 patent/WO1993025021A1/en active IP Right Grant
- 1993-05-11 PT PT93911216T patent/PT641505E/pt unknown
- 1993-05-11 CA CA002135913A patent/CA2135913C/en not_active Expired - Fee Related
- 1993-05-11 DE DE69329111T patent/DE69329111T2/de not_active Expired - Fee Related
- 1993-05-11 EP EP93911216A patent/EP0641505B1/de not_active Expired - Lifetime
- 1993-05-11 ES ES93911216T patent/ES2149816T3/es not_active Expired - Lifetime
- 1993-05-11 AT AT93911216T patent/ATE195043T1/de not_active IP Right Cessation
- 1993-05-19 MY MYPI93000919A patent/MY109185A/en unknown
- 1993-05-20 MX MX9302947A patent/MX9302947A/es not_active IP Right Cessation
- 1993-05-22 CN CN93106099A patent/CN1030879C/zh not_active Expired - Fee Related
- 1993-06-01 TW TW082104344A patent/TW223207B/zh active
-
2000
- 2000-10-09 GR GR20000402267T patent/GR3034578T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GR3034578T3 (en) | 2001-01-31 |
CN1082274A (zh) | 1994-02-16 |
CN1030879C (zh) | 1996-01-31 |
US5243653A (en) | 1993-09-07 |
WO1993025021A1 (en) | 1993-12-09 |
ES2149816T3 (es) | 2000-11-16 |
MY109185A (en) | 1996-12-31 |
EP0641505A1 (de) | 1995-03-08 |
PT641505E (pt) | 2000-11-30 |
EP0641505A4 (de) | 1997-08-20 |
TW223207B (de) | 1994-05-01 |
DK0641505T3 (da) | 2000-11-27 |
CA2135913C (en) | 1998-12-29 |
EP0641505B1 (de) | 2000-07-26 |
DE69329111D1 (de) | 2000-08-31 |
MX9302947A (es) | 1994-05-31 |
ATE195043T1 (de) | 2000-08-15 |
CA2135913A1 (en) | 1993-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |