CN1237726C - 减少干扰的方法以及无线系统 - Google Patents
减少干扰的方法以及无线系统 Download PDFInfo
- Publication number
- CN1237726C CN1237726C CN98802166.8A CN98802166A CN1237726C CN 1237726 C CN1237726 C CN 1237726C CN 98802166 A CN98802166 A CN 98802166A CN 1237726 C CN1237726 C CN 1237726C
- Authority
- CN
- China
- Prior art keywords
- spreading code
- spreading
- code
- wireless system
- duration
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
-
- 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
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI970369A FI105959B (fi) | 1997-01-29 | 1997-01-29 | Menetelmä interferenssin vähentämiseksi ja radiojärjestelmä |
| FI970369 | 1997-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1246222A CN1246222A (zh) | 2000-03-01 |
| CN1237726C true CN1237726C (zh) | 2006-01-18 |
Family
ID=8547896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98802166.8A Expired - Fee Related CN1237726C (zh) | 1997-01-29 | 1998-01-28 | 减少干扰的方法以及无线系统 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6751247B1 (zh) |
| EP (1) | EP0956655A1 (zh) |
| JP (1) | JP2001510658A (zh) |
| CN (1) | CN1237726C (zh) |
| AU (1) | AU732073B2 (zh) |
| FI (1) | FI105959B (zh) |
| NO (1) | NO993660L (zh) |
| WO (1) | WO1998036505A1 (zh) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000029887A1 (en) * | 1998-11-17 | 2000-05-25 | Templex Technology, Inc. | Codes, methods, and apparatus for optical encoding and decoding |
| IL140262A0 (en) * | 1999-04-15 | 2002-02-10 | Cit Alcatel | Method for reducing interference between users and use thereof in a radio access network |
| JP3513465B2 (ja) * | 2000-02-22 | 2004-03-31 | シャープ株式会社 | 無線通信送信機及び無線通信受信機 |
| JP4255601B2 (ja) * | 2000-06-14 | 2009-04-15 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける移動局の同期確立方法 |
| KR100782204B1 (ko) * | 2000-12-29 | 2007-12-05 | 엘지전자 주식회사 | 엘에스부호 선택에 따른 부호쌍 생성및 부호 할당 방법 |
| JP2004296719A (ja) * | 2003-03-26 | 2004-10-21 | Renesas Technology Corp | 半導体装置 |
| US7738536B2 (en) * | 2003-04-15 | 2010-06-15 | Novatel Inc. | Apparatus for and method of making pulse-shape measurements |
| US7298780B2 (en) | 2003-12-12 | 2007-11-20 | Nokia Corporation | Multiple access using different codes lengths for global navigation satellite systems |
| US6999036B2 (en) * | 2004-01-07 | 2006-02-14 | Raysat Cyprus Limited | Mobile antenna system for satellite communications |
| US7738606B2 (en) * | 2005-03-24 | 2010-06-15 | Novatel Inc. | System and method for making correlation measurements utilizing pulse shape measurements |
| CN1933470A (zh) * | 2005-09-13 | 2007-03-21 | 上海贝尔阿尔卡特股份有限公司 | 分布式多发多收-正交频分复用系统帧同步方法及装置 |
| US7738537B2 (en) * | 2005-09-14 | 2010-06-15 | Novatel Inc. | Apparatus for and method of determining quadrature code timing from pulse-shape measurements made using an in-phase code |
| US7668228B2 (en) | 2005-09-16 | 2010-02-23 | Novatel Inc. | Apparatus for and method of correlating to rising chip edges |
| KR102763645B1 (ko) | 2015-09-21 | 2025-02-05 | 하이파이 유에스에이 인크. | 불완전한 전자기 경로를 통해 샘플링된 신호를 전송하기 위한 시스템 |
| JP7270545B2 (ja) | 2017-03-20 | 2023-05-10 | ハイファイ ユーエスエー インコーポレーテッド | 複数の電磁経路上におけるサンプリングされた信号のトランスポート |
| US11716114B2 (en) | 2020-11-25 | 2023-08-01 | Hyphy Usa Inc. | Encoder and decoder circuits for the transmission of video media using spread spectrum direct sequence modulation |
| US12335086B2 (en) | 2021-07-12 | 2025-06-17 | Hyphy Usa Inc. | Spread-spectrum video transport with quadrature amplitude modulation |
| JP2024537821A (ja) | 2021-08-12 | 2024-10-16 | ハイファイ ユーエスエー インコーポレーテッド | ステージングされたサンプリング信号の分配および電磁経路を介した搬送 |
| US11997415B2 (en) | 2021-08-17 | 2024-05-28 | Hyphy Usa Inc. | Sampled analog storage system |
| US12531007B2 (en) | 2023-02-21 | 2026-01-20 | Hyphy Usa Inc. | Analog video transport to a display panel and source driver integration with display panel |
| US12039951B2 (en) | 2021-09-03 | 2024-07-16 | Hyphy Usa Inc. | Spread-spectrum video transport integration with display drivers |
| WO2023044000A1 (en) | 2021-09-17 | 2023-03-23 | Hyphy Usa Inc. | Spread-spectrum video transport integration with virtual reality headset |
| US11769468B2 (en) | 2022-01-19 | 2023-09-26 | Hyphy Usa Inc. | Spread-spectrum video transport integration with timing controller |
| US11842671B2 (en) | 2022-03-07 | 2023-12-12 | Hyphy Usa Inc. | Spread-spectrum video transport source driver integration with display panel |
| KR20250051695A (ko) | 2022-08-16 | 2025-04-17 | 하이파이 유에스에이 인크. | 직교 주파수 분할 다중화(ofdm) 및 ofdm 비디오 전송을 통한 확산 스펙트럼 비디오 전송 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4930140A (en) | 1989-01-13 | 1990-05-29 | Agilis Corporation | Code division multiplex system using selectable length spreading code sequences |
| AU5590294A (en) | 1992-11-02 | 1994-05-24 | Norand Corporation | Radio frequency communication network having adaptive communication parameters |
| MY112371A (en) | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
| JPH08335898A (ja) * | 1995-06-07 | 1996-12-17 | N T T Ido Tsushinmo Kk | Cdma信号受信機 |
| US5946344A (en) * | 1997-04-07 | 1999-08-31 | Intermec Ip Corp. | Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths |
-
1997
- 1997-01-29 FI FI970369A patent/FI105959B/fi active
-
1998
- 1998-01-28 US US09/341,736 patent/US6751247B1/en not_active Expired - Lifetime
- 1998-01-28 CN CN98802166.8A patent/CN1237726C/zh not_active Expired - Fee Related
- 1998-01-28 EP EP98902004A patent/EP0956655A1/en not_active Withdrawn
- 1998-01-28 WO PCT/FI1998/000088 patent/WO1998036505A1/en not_active Ceased
- 1998-01-28 AU AU58667/98A patent/AU732073B2/en not_active Ceased
- 1998-01-28 JP JP53330898A patent/JP2001510658A/ja active Pending
-
1999
- 1999-07-28 NO NO993660A patent/NO993660L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI105959B (fi) | 2000-10-31 |
| FI970369L (fi) | 1998-07-30 |
| WO1998036505A1 (en) | 1998-08-20 |
| CN1246222A (zh) | 2000-03-01 |
| JP2001510658A (ja) | 2001-07-31 |
| FI970369A0 (fi) | 1997-01-29 |
| NO993660D0 (no) | 1999-07-28 |
| US6751247B1 (en) | 2004-06-15 |
| AU5866798A (en) | 1998-09-08 |
| EP0956655A1 (en) | 1999-11-17 |
| NO993660L (no) | 1999-07-28 |
| AU732073B2 (en) | 2001-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Espoo, Finland Patentee after: NOKIA NETWORKS OY Address before: Espoo, Finland Patentee before: Nokia Telecommunications OY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170116 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170116 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Espoo, Finland Patentee before: Nokia Networks OY |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060118 Termination date: 20170128 |