FI19992734A - Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin - Google Patents
Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotinInfo
- Publication number
- FI19992734A FI19992734A FI992734A FI19992734A FI19992734A FI 19992734 A FI19992734 A FI 19992734A FI 992734 A FI992734 A FI 992734A FI 19992734 A FI19992734 A FI 19992734A FI 19992734 A FI19992734 A FI 19992734A
- Authority
- FI
- Finland
- Prior art keywords
- receiver
- receiving
- spread spectrum
- spectrum signal
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0891—Space-time diversity
- H04B7/0894—Space-time diversity using different delays between antennas
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI992734A FI19992734A (fi) | 1999-12-20 | 1999-12-20 | Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin |
AU23784/01A AU2378401A (en) | 1999-12-20 | 2000-12-19 | Method of receiving spread spectrum signal, and receiver |
EP00987535A EP1151551A1 (en) | 1999-12-20 | 2000-12-19 | Method of receiving spread spectrum signal, and receiver |
PCT/FI2000/001115 WO2001047133A1 (en) | 1999-12-20 | 2000-12-19 | Method of receiving spread spectrum signal, and receiver |
US09/912,302 US6799055B2 (en) | 1999-12-20 | 2001-07-26 | Method of receiving spread spectrum signal, and receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI992734A FI19992734A (fi) | 1999-12-20 | 1999-12-20 | Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin |
Publications (1)
Publication Number | Publication Date |
---|---|
FI19992734A true FI19992734A (fi) | 2001-06-21 |
Family
ID=8555777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI992734A FI19992734A (fi) | 1999-12-20 | 1999-12-20 | Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin |
Country Status (5)
Country | Link |
---|---|
US (1) | US6799055B2 (fi) |
EP (1) | EP1151551A1 (fi) |
AU (1) | AU2378401A (fi) |
FI (1) | FI19992734A (fi) |
WO (1) | WO2001047133A1 (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001196975A (ja) * | 2000-01-17 | 2001-07-19 | Nec Corp | Cdma方式無線基地局用の同期捕捉回路 |
EP1276247A1 (de) * | 2001-07-13 | 2003-01-15 | Siemens Aktiengesellschaft | Verfahren zur Demodulation und Detektion von Spread-Spectrum-Signalen |
WO2003007497A1 (de) * | 2001-07-13 | 2003-01-23 | Siemens Aktiengesellschaft | Verfahren zur demodulation und detektion von mit hilfe eines diversity-empfangssystems empfangenen spread-spectrum-signalen eines von einem teilnehmer gesendeten spread-spectrum-sendesignals bei einem funkkommunikationssystem mit random-access-zugriff. |
WO2003024009A1 (fr) * | 2001-09-04 | 2003-03-20 | Mitsubishi Denki Kabushiki Kaisha | Dispositif radiomobile |
US7043273B2 (en) * | 2002-01-15 | 2006-05-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Diversity branch delay alignment in radio base station |
TWI320666B (en) * | 2002-04-12 | 2010-02-11 | Interdigital Tech Corp | An access burst detector for use in a node b/base station |
US6785322B1 (en) * | 2002-04-12 | 2004-08-31 | Interdigital Technology Corporation | Node-B/base station rake finger pooling |
WO2004042956A2 (en) * | 2002-11-01 | 2004-05-21 | Magnolia Broadband Inc. | Processing diversity signals using a delay |
SE0400370D0 (sv) * | 2004-02-13 | 2004-02-13 | Ericsson Telefon Ab L M | Adaptive MIMO architecture |
US20080151969A1 (en) * | 2006-12-21 | 2008-06-26 | Andres Reial | Efficient Delay Profile Computation with Receive Diversity |
US7724808B2 (en) * | 2006-12-21 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient delay profile computation with receive diversity |
US20170069964A1 (en) * | 2015-09-04 | 2017-03-09 | Getac Technology Corporation | Antenna system having an automatically adjustable directional antenna structure and method for automatically adjusting a directional antenna structure |
US11777763B2 (en) * | 2020-03-20 | 2023-10-03 | Nantworks, LLC | Selecting a signal phase in a communication system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5659572A (en) * | 1993-11-22 | 1997-08-19 | Interdigital Technology Corporation | Phased array spread spectrum system and method |
EP0729240B1 (en) * | 1995-02-24 | 2001-10-24 | Roke Manor Research Limited | Code division multiple access cellular mobile radio systems |
JP2705623B2 (ja) * | 1995-03-22 | 1998-01-28 | 日本電気株式会社 | ダイバーシチ送受信方法及び送受信機 |
US5950131A (en) * | 1996-10-29 | 1999-09-07 | Motorola, Inc. | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
US5943331A (en) * | 1997-02-28 | 1999-08-24 | Interdigital Technology Corporation | Orthogonal code synchronization system and method for spread spectrum CDMA communications |
JPH10247869A (ja) * | 1997-03-04 | 1998-09-14 | Nec Corp | ダイバーシティ回路 |
JP3095065B2 (ja) * | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
JP2918873B1 (ja) * | 1998-02-17 | 1999-07-12 | 株式会社エイ・ティ・アール環境適応通信研究所 | スペクトル拡散通信用アレーアンテナ装置 |
JP3967452B2 (ja) * | 1998-03-13 | 2007-08-29 | 株式会社東芝 | スペクトラム拡散無線伝送受信装置 |
JPH11340949A (ja) | 1998-05-21 | 1999-12-10 | Matsushita Electric Ind Co Ltd | Cdma通信装置及びcdma通信方法 |
JP2000031889A (ja) * | 1998-07-13 | 2000-01-28 | Hitachi Ltd | スペクトラム拡散通信方式の移動通信端末 |
US6370182B2 (en) * | 2000-02-10 | 2002-04-09 | Itt Manufacturing Enterprises, Inc. | Integrated beamforming/rake/mud CDMA receiver architecture |
-
1999
- 1999-12-20 FI FI992734A patent/FI19992734A/fi unknown
-
2000
- 2000-12-19 AU AU23784/01A patent/AU2378401A/en not_active Abandoned
- 2000-12-19 WO PCT/FI2000/001115 patent/WO2001047133A1/en not_active Application Discontinuation
- 2000-12-19 EP EP00987535A patent/EP1151551A1/en not_active Withdrawn
-
2001
- 2001-07-26 US US09/912,302 patent/US6799055B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020010002A1 (en) | 2002-01-24 |
WO2001047133A1 (en) | 2001-06-28 |
US6799055B2 (en) | 2004-09-28 |
EP1151551A1 (en) | 2001-11-07 |
AU2378401A (en) | 2001-07-03 |
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