CN1630225A - 扰乱码及序文产生装置 - Google Patents
扰乱码及序文产生装置 Download PDFInfo
- Publication number
- CN1630225A CN1630225A CN200410101998.0A CN200410101998A CN1630225A CN 1630225 A CN1630225 A CN 1630225A CN 200410101998 A CN200410101998 A CN 200410101998A CN 1630225 A CN1630225 A CN 1630225A
- Authority
- CN
- China
- Prior art keywords
- disturbing code
- order
- disturbing
- code
- preface
- 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.)
- Granted
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Classifications
-
- 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
- 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
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0044—OVSF [orthogonal variable spreading factor]
Abstract
Description
zn(i) | Cshort,1,n(i) | Cshort,2,n(i) |
0 | +1 | +1 |
1 | -1 | +1 |
2 | -1 | -1 |
3 | +1 | - 1 |
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10359268.7 | 2003-12-17 | ||
DE10359268A DE10359268B4 (de) | 2003-12-17 | 2003-12-17 | Vorrichtung zum Erzeugen von Sendesignalen in einer Mobilfunkstation mittels eines Verwürfelungscode-Generators für Präambeln und für Sendesignale dedizierter physikalischer Kanäle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1630225A true CN1630225A (zh) | 2005-06-22 |
CN100566221C CN100566221C (zh) | 2009-12-02 |
Family
ID=34683468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004101019980A Active CN100566221C (zh) | 2003-12-17 | 2004-12-17 | 扰频码及前导码产生装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7489722B2 (zh) |
CN (1) | CN100566221C (zh) |
DE (1) | DE10359268B4 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101051853B (zh) * | 2006-04-07 | 2012-05-23 | 美国博通公司 | 通信系统中的信号处理方法和系统 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69914108T2 (de) * | 1999-05-26 | 2004-11-18 | Nokia Corp. | System und verfahren zur steuerung von zufälligen zugriffen |
US8031793B2 (en) * | 2005-01-19 | 2011-10-04 | Dumitru Mihai Ionescu | Apparatus using concatenations of signal-space codes for jointly encoding across multiple transmit antennas, and employing coordinate interleaving |
CN101278491B (zh) * | 2005-09-28 | 2013-03-06 | 日本电气株式会社 | 调制器、滤波器、滤波器增益控制方法和代码调制方法 |
GB2469229B (en) * | 2005-11-04 | 2011-02-02 | Nec Corp | Wireless communication system and method of controlling a transmission power |
US7930623B2 (en) * | 2006-03-07 | 2011-04-19 | Samsung Electronics Co., Ltd. | Method and system for generating parallel codes |
US20070211671A1 (en) * | 2006-03-09 | 2007-09-13 | Interdigital Technology Corporation | Method and apparatus for a flexible preamble and efficient transmission thereof |
US8743839B2 (en) * | 2009-07-01 | 2014-06-03 | Telefonaktiebolaget L M Ericsson (Publ) | Scheduling different types of receivers in a radio base station |
US9184974B1 (en) * | 2014-06-26 | 2015-11-10 | The Boeing Company | In-phase and quadrature radio frequency digital-to-analog converter |
US11177902B2 (en) | 2017-01-16 | 2021-11-16 | Drexel University | Physical gate based preamble obfuscation for securing wireless communication |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4215402A (en) * | 1978-10-23 | 1980-07-29 | International Business Machines Corporation | Hash index table hash generator apparatus |
US5335249A (en) * | 1993-07-29 | 1994-08-02 | Seattle Silicon Corporation | Method and apparatus for spread spectrum communications |
US6307840B1 (en) * | 1997-09-19 | 2001-10-23 | Qualcomm Incorporated | Mobile station assisted timing synchronization in CDMA communication system |
US6259687B1 (en) * | 1997-10-31 | 2001-07-10 | Interdigital Technology Corporation | Communication station with multiple antennas |
DE19821004C2 (de) * | 1998-05-11 | 2000-03-23 | Ericsson Telefon Ab L M | Sequenzgenerator |
KR100401190B1 (ko) * | 1998-09-17 | 2003-12-31 | 삼성전자주식회사 | 부호분할다중접속통신시스템의동기채널을이용한프레임동기장치및방법 |
US6175559B1 (en) * | 1999-07-07 | 2001-01-16 | Motorola, Inc. | Method for generating preamble sequences in a code division multiple access system |
US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
DE19947019A1 (de) * | 1999-09-30 | 2001-06-07 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Erzeugen von spreizcodierten Signalen |
EP1190496B1 (en) * | 2000-02-17 | 2004-10-27 | Samsung Electronics Co., Ltd. | Apparatus and method for assigning a common packet channel in a cdma communication system |
US6778835B2 (en) * | 2000-03-18 | 2004-08-17 | Lg Electronics Inc. | Method for allocating physical channel of mobile communication system and communication method using the same |
US7006428B2 (en) * | 2000-07-19 | 2006-02-28 | Ipr Licensing, Inc. | Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels |
US20020122468A1 (en) * | 2001-01-12 | 2002-09-05 | Terion, Inc. | Quasi orthogonal hybrid walsh-PN codes for CDMA application in HF modems |
KR100724929B1 (ko) * | 2001-10-06 | 2007-06-04 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 스크램블링 코드생성장치 및 방법 |
DE60138290D1 (de) * | 2001-12-20 | 2009-05-20 | Texas Instruments Inc | Faltungskodierer wobei ein geänderter Multiplizierer verwendet wird |
US7003269B2 (en) * | 2002-02-20 | 2006-02-21 | Qualcomm Incorporated | Method and apparatus for a dedicated physical channel in a wireless communication system |
EP1343265B1 (en) * | 2002-03-07 | 2006-05-31 | STMicroelectronics S.r.l. | A process for generating codes for CDMA communications, system and computer program |
US7061967B2 (en) * | 2002-06-24 | 2006-06-13 | Comsys Communication & Signal Processing Ltd. | Multipath channel tap delay estimation in a CDMA spread spectrum receiver |
-
2003
- 2003-12-17 DE DE10359268A patent/DE10359268B4/de not_active Expired - Lifetime
-
2004
- 2004-12-16 US US11/014,274 patent/US7489722B2/en active Active
- 2004-12-17 CN CNB2004101019980A patent/CN100566221C/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101051853B (zh) * | 2006-04-07 | 2012-05-23 | 美国博通公司 | 通信系统中的信号处理方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
US7489722B2 (en) | 2009-02-10 |
DE10359268A1 (de) | 2005-07-21 |
US20050152265A1 (en) | 2005-07-14 |
CN100566221C (zh) | 2009-12-02 |
DE10359268B4 (de) | 2011-05-19 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES DELTA CO., LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20111104 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
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CP01 | Change in the name or title of a patent holder |
Address after: Munich, Federal Republic of Germany Patentee after: Infineon Technologies AG Address before: Munich, Federal Republic of Germany Patentee before: INFINEON TECHNOLOGIES AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20111104 Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
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ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGY DELTA AG Effective date: 20120615 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER NAME: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120615 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200713 Address after: California, USA Patentee after: Apple Inc. Address before: California, USA Patentee before: INTEL Corp. Effective date of registration: 20200713 Address after: California, USA Patentee after: INTEL Corp. Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |