JP2002524971A - 半直交ベクトルの反射及び送信のための方法及び装置 - Google Patents
半直交ベクトルの反射及び送信のための方法及び装置Info
- Publication number
- JP2002524971A JP2002524971A JP2000569540A JP2000569540A JP2002524971A JP 2002524971 A JP2002524971 A JP 2002524971A JP 2000569540 A JP2000569540 A JP 2000569540A JP 2000569540 A JP2000569540 A JP 2000569540A JP 2002524971 A JP2002524971 A JP 2002524971A
- Authority
- JP
- Japan
- Prior art keywords
- orthogonal
- semi
- vector
- sequence
- transmission method
- 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.)
- Pending
Links
- 239000013598 vector Substances 0.000 title claims abstract description 152
- 238000000034 method Methods 0.000 title claims abstract description 68
- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 230000000873 masking effect Effects 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 101
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229940050561 matrix product Drugs 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0048—Walsh
-
- 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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/148,100 | 1998-09-04 | ||
| US09/148,100 US6240143B1 (en) | 1998-08-18 | 1998-09-04 | Method and apparatus for the reflection and transmission of quasi orthogonal vectors |
| PCT/US1999/020340 WO2000014916A1 (en) | 1998-09-04 | 1999-09-02 | A method and apparatus for the reflection and transmission of quasi orthogonal vectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002524971A true JP2002524971A (ja) | 2002-08-06 |
Family
ID=22524276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000569540A Pending JP2002524971A (ja) | 1998-09-04 | 1999-09-02 | 半直交ベクトルの反射及び送信のための方法及び装置 |
Country Status (8)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2310815C (en) * | 1998-09-25 | 2004-10-26 | Kyeong-Cheol Yang | Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system |
| US6314125B1 (en) | 1998-12-09 | 2001-11-06 | Qualcomm Incorporated | Method and apparatus for the construction and transmission of binary quasi orthogonal vectors |
| BR0007463A (pt) * | 1999-01-11 | 2002-04-09 | Samsung Electronics Co Ltd | Método para gerar um código complexo quase ortogonal e dispositivo para dispersão de canal de dados usando código quase ortogonal em um sistema de comunicação de cdma |
| US6125378A (en) * | 1999-01-13 | 2000-09-26 | Barbano; Paolo Emilio | Method and apparatus for generating families of code signals using multiscale shuffling |
| KR100393618B1 (ko) * | 2000-08-18 | 2003-08-02 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템의 채널 부호화/복호화장치 및 방법 |
| JP4072910B2 (ja) * | 2001-08-21 | 2008-04-09 | インフィネオン テヒノロジース アクチェンゲゼルシャフト | 拡散スペクトル通信システムにおいてデータ速度を増大させる方法及び装置 |
| ES2438532T3 (es) * | 2004-07-06 | 2014-01-17 | Telefonaktiebolaget L M Ericsson (Publ) | Códigos ortogonales de longitud variable no contiguos |
| CN102123014B (zh) * | 2010-03-30 | 2016-05-18 | 电信科学技术研究院 | 正交覆盖码配置和跳频配置指示方法和装置 |
| BR112012024462A2 (pt) * | 2010-04-02 | 2016-05-31 | Fujitsu Ltd | aparelho e método para geração de código de cobertura ortogonal (occ), e aparelho e método para mapeamento occ |
| US11032061B2 (en) * | 2018-04-27 | 2021-06-08 | Microsoft Technology Licensing, Llc | Enabling constant plaintext space in bootstrapping in fully homomorphic encryption |
| US11764940B2 (en) | 2019-01-10 | 2023-09-19 | Duality Technologies, Inc. | Secure search of secret data in a semi-trusted environment using homomorphic encryption |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5659569A (en) | 1990-06-25 | 1997-08-19 | Qualcomm Incorporated | Data burst randomizer |
| US5511073A (en) * | 1990-06-25 | 1996-04-23 | Qualcomm Incorporated | Method and apparatus for the formatting of data for transmission |
| FR2681199B1 (fr) * | 1991-09-11 | 1993-12-03 | Agence Spatiale Europeenne | Procede et dispositif pour multiplexer des signaux de donnees. |
| US5210770A (en) * | 1991-09-27 | 1993-05-11 | Lockheed Missiles & Space Company, Inc. | Multiple-signal spread-spectrum transceiver |
| US5550809A (en) | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
| US5883899A (en) * | 1995-05-01 | 1999-03-16 | Telefonaktiebolaget Lm Ericsson | Code-rate increased compressed mode DS-CDMA systems and methods |
| US6064690A (en) * | 1997-05-13 | 2000-05-16 | Yozan Inc. | Spread spectrum communication system |
| US6012160A (en) * | 1997-10-03 | 2000-01-04 | Ericsson Inc. | Method for protecting important data bits using less important data bits |
| US6044074A (en) * | 1997-11-10 | 2000-03-28 | Qualcomm Incorporated | Rapid signal acquisition and synchronization for access transmissions |
| US6147964A (en) * | 1998-05-07 | 2000-11-14 | Qualcomm Inc. | Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes |
| US6091760A (en) * | 1998-06-29 | 2000-07-18 | L-3 Communications Corporation | Non-recursively generated orthogonal PN codes for variable rate CDMA |
-
1998
- 1998-09-04 US US09/148,100 patent/US6240143B1/en not_active Expired - Lifetime
-
1999
- 1999-09-02 AU AU60271/99A patent/AU6027199A/en not_active Abandoned
- 1999-09-02 CN CN99810614A patent/CN1317183A/zh active Pending
- 1999-09-02 WO PCT/US1999/020340 patent/WO2000014916A1/en not_active Application Discontinuation
- 1999-09-02 KR KR1020017002834A patent/KR20010073120A/ko not_active Application Discontinuation
- 1999-09-02 EP EP99968748A patent/EP1110342A1/en not_active Withdrawn
- 1999-09-02 JP JP2000569540A patent/JP2002524971A/ja active Pending
- 1999-09-02 CN CNA031787029A patent/CN1482824A/zh active Pending
-
2001
- 2001-04-10 US US09/832,277 patent/US6611566B2/en not_active Expired - Fee Related
-
2002
- 2002-04-10 HK HK02102716.7A patent/HK1041130A1/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK1041130A1 (zh) | 2002-06-28 |
| CN1482824A (zh) | 2004-03-17 |
| CN1317183A (zh) | 2001-10-10 |
| US6611566B2 (en) | 2003-08-26 |
| AU6027199A (en) | 2000-03-27 |
| US20010031010A1 (en) | 2001-10-18 |
| KR20010073120A (ko) | 2001-07-31 |
| US6240143B1 (en) | 2001-05-29 |
| EP1110342A1 (en) | 2001-06-27 |
| WO2000014916A1 (en) | 2000-03-16 |
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