CN1561581B - 在数字信号处理器中恢复被解扩信号的方法和用于恢复被解扩信号的数字信号处理器 - Google Patents
在数字信号处理器中恢复被解扩信号的方法和用于恢复被解扩信号的数字信号处理器 Download PDFInfo
- Publication number
- CN1561581B CN1561581B CN02816442.3A CN02816442A CN1561581B CN 1561581 B CN1561581 B CN 1561581B CN 02816442 A CN02816442 A CN 02816442A CN 1561581 B CN1561581 B CN 1561581B
- Authority
- CN
- China
- Prior art keywords
- code
- plural
- bit
- complex
- signal
- 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
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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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/925,889 | 2001-08-06 | ||
| US09/925,889 US7333530B1 (en) | 2001-08-06 | 2001-08-06 | Despread signal recovery in digital signal processors |
| PCT/US2002/024702 WO2003015305A1 (en) | 2001-08-06 | 2002-08-06 | Despread signal recovery in digital signal processors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1561581A CN1561581A (zh) | 2005-01-05 |
| CN1561581B true CN1561581B (zh) | 2013-08-14 |
Family
ID=25452394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02816442.3A Expired - Fee Related CN1561581B (zh) | 2001-08-06 | 2002-08-06 | 在数字信号处理器中恢复被解扩信号的方法和用于恢复被解扩信号的数字信号处理器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7333530B1 (cg-RX-API-DMAC10.html) |
| EP (1) | EP1421708A4 (cg-RX-API-DMAC10.html) |
| JP (1) | JP2004538710A (cg-RX-API-DMAC10.html) |
| CN (1) | CN1561581B (cg-RX-API-DMAC10.html) |
| WO (1) | WO2003015305A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10827043B2 (en) * | 2018-04-04 | 2020-11-03 | Hall Labs Llc | Normalization of communication between devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799010A (en) * | 1995-06-30 | 1998-08-25 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| CN1228211A (zh) * | 1996-05-28 | 1999-09-08 | 夸尔柯姆股份有限公司 | 高数据速率cdma无线通信系统 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3212213B2 (ja) * | 1994-03-16 | 2001-09-25 | 株式会社日立製作所 | データ処理装置 |
| US6385634B1 (en) * | 1995-08-31 | 2002-05-07 | Intel Corporation | Method for performing multiply-add operations on packed data |
| US5872810A (en) * | 1996-01-26 | 1999-02-16 | Imec Co. | Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
| US6680928B1 (en) * | 1997-07-22 | 2004-01-20 | Ericsson Inc. | Communications system and method for multi-carrier orthogonal coding |
| US6366607B1 (en) * | 1998-05-14 | 2002-04-02 | Interdigital Technology Corporation | Processing for improved performance and reduced pilot |
| US6618431B1 (en) * | 1998-12-31 | 2003-09-09 | Texas Instruments Incorporated | Processor-based method for the acquisition and despreading of spread-spectrum/CDMA signals |
| US6606684B1 (en) * | 2000-03-31 | 2003-08-12 | Intel Corporation | Multi-tiered memory bank having different data buffer sizes with a programmable bank select |
| US6879576B1 (en) * | 2000-09-06 | 2005-04-12 | Qualcomm Incorporated | Method and apparatus for processing a physical channel with partial transport format information |
| US7072929B2 (en) * | 2000-11-01 | 2006-07-04 | Pts Corporation | Methods and apparatus for efficient complex long multiplication and covariance matrix implementation |
| US6934728B2 (en) * | 2001-06-01 | 2005-08-23 | Microchip Technology Incorporated | Euclidean distance instructions |
| US6922716B2 (en) * | 2001-07-13 | 2005-07-26 | Motorola, Inc. | Method and apparatus for vector processing |
-
2001
- 2001-08-06 US US09/925,889 patent/US7333530B1/en not_active Expired - Lifetime
-
2002
- 2002-08-06 CN CN02816442.3A patent/CN1561581B/zh not_active Expired - Fee Related
- 2002-08-06 WO PCT/US2002/024702 patent/WO2003015305A1/en not_active Ceased
- 2002-08-06 EP EP02748290A patent/EP1421708A4/en not_active Withdrawn
- 2002-08-06 JP JP2003520104A patent/JP2004538710A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799010A (en) * | 1995-06-30 | 1998-08-25 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| CN1192304A (zh) * | 1995-06-30 | 1998-09-02 | 交互数字技术公司 | 用于码分多址(cdma)通信系统的自动功率控制系统 |
| CN1228211A (zh) * | 1996-05-28 | 1999-09-08 | 夸尔柯姆股份有限公司 | 高数据速率cdma无线通信系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1421708A1 (en) | 2004-05-26 |
| JP2004538710A (ja) | 2004-12-24 |
| EP1421708A4 (en) | 2007-09-26 |
| WO2003015305A1 (en) | 2003-02-20 |
| CN1561581A (zh) | 2005-01-05 |
| US7333530B1 (en) | 2008-02-19 |
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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 | ||
| 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: 20130814 Termination date: 20200806 |