FI103539B1 - Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaanotin - Google Patents
Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaanotinInfo
- Publication number
- FI103539B1 FI103539B1 FI962736A FI962736A FI103539B1 FI 103539 B1 FI103539 B1 FI 103539B1 FI 962736 A FI962736 A FI 962736A FI 962736 A FI962736 A FI 962736A FI 103539 B1 FI103539 B1 FI 103539B1
- Authority
- FI
- Finland
- Prior art keywords
- receiver
- strength
- determining
- channel signals
- signals
- 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
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Radio Transmission System (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI962736A FI103539B (fi) | 1996-07-03 | 1996-07-03 | Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaa notin |
JP10504830A JP2000513892A (ja) | 1996-07-03 | 1997-07-02 | 同一チャンネル信号の強度を決定する方法及び受信器 |
US09/202,808 US6418175B1 (en) | 1996-07-03 | 1997-07-02 | Method for determining strength of co-channel signals, and a receiver |
PCT/FI1997/000431 WO1998001959A1 (en) | 1996-07-03 | 1997-07-02 | Method for determining strength of co-channel signals, and a receiver |
AU33466/97A AU722332B2 (en) | 1996-07-03 | 1997-07-02 | Method for determining strength of co-channel signals, and a receiver |
EP97929328A EP0920734A1 (en) | 1996-07-03 | 1997-07-02 | Method for determining strength of co-channel signals, and a receiver |
NO986214A NO986214L (no) | 1996-07-03 | 1998-12-30 | FremgangsmÕte for Õ bestemme styrken av samkanal-signaler, samt mottaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI962736A FI103539B (fi) | 1996-07-03 | 1996-07-03 | Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaa notin |
Publications (4)
Publication Number | Publication Date |
---|---|
FI962736A0 FI962736A0 (fi) | 1996-07-03 |
FI962736A FI962736A (fi) | 1998-01-04 |
FI103539B1 true FI103539B1 (fi) | 1999-07-15 |
FI103539B FI103539B (fi) | 1999-07-15 |
Family
ID=8546336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI962736A FI103539B (fi) | 1996-07-03 | 1996-07-03 | Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaa notin |
Country Status (7)
Country | Link |
---|---|
US (1) | US6418175B1 (fi) |
EP (1) | EP0920734A1 (fi) |
JP (1) | JP2000513892A (fi) |
AU (1) | AU722332B2 (fi) |
FI (1) | FI103539B (fi) |
NO (1) | NO986214L (fi) |
WO (1) | WO1998001959A1 (fi) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9901056A (pt) | 1998-04-30 | 2000-01-18 | Lucent Technilogies Inc | Estimação de canal usando realimentação de decisão temporária. |
GB9810686D0 (en) * | 1998-05-19 | 1998-07-15 | King S College London | Dual direction estimator |
FI112739B (fi) | 1998-05-25 | 2003-12-31 | Nokia Corp | Menetelmä ja laitteisto häiritsevän signaalin havaitsemiseen radiovastaanottimessa |
GB2339120B (en) * | 1998-06-30 | 2003-03-19 | Nec Technologies | Channel estimation device for digital telecommunications stations |
US6625459B1 (en) * | 1999-06-04 | 2003-09-23 | Broadcom Corporation | Method and apparatus for efficient determination of channel estimate and baud frequency offset estimate |
ES2178296T3 (es) * | 1998-11-18 | 2002-12-16 | Nokia Corp | Un metodo para la estimacion mejorada de la respuesta de impulso de canal en sistemas tdma. |
FI982857A (fi) | 1998-12-31 | 2000-07-01 | Nokia Networks Oy | Vastaanottomenetelmä ja vastaanotin |
ES2198811T3 (es) | 1999-04-12 | 2004-02-01 | Sony International (Europe) Gmbh | Dispositivo de comunicacion y procedimiento para distinguir entre diferentes tipo de rafagas en un sistema de telecomunicaciones digitales. |
US6970415B1 (en) * | 1999-11-11 | 2005-11-29 | Tokyo Electron Limited | Method and apparatus for characterization of disturbers in communication systems |
US6950665B2 (en) * | 2000-02-29 | 2005-09-27 | Pctel, Inc. | Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network |
US7010069B2 (en) * | 2000-12-04 | 2006-03-07 | Trellisware Technologies, Inc. | Method for co-channel interference identification and mitigation |
US6901122B2 (en) * | 2001-03-27 | 2005-05-31 | Motorola | Method and apparatus for restoring a soft decision component of a signal |
US7079601B2 (en) * | 2001-06-19 | 2006-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient channel estimation in a digital communications system |
US7171162B2 (en) * | 2003-11-24 | 2007-01-30 | Spreadtrum Communications Corporation | Method and apparatus for frequency estimation using iterative filtering in a GSM communications system |
US7236746B2 (en) * | 2004-02-04 | 2007-06-26 | Pctel, Inc. | Method and apparatus for measurement and identification of co-channel interfering transmitters |
US7373130B2 (en) * | 2005-04-13 | 2008-05-13 | Telefonaktiebolaget L M Ericsson (Publ) | Simultaneous channel estimation of a carrier and an interferer |
JP4924106B2 (ja) * | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
JP4775288B2 (ja) | 2006-04-27 | 2011-09-21 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法 |
JP4356756B2 (ja) | 2006-04-27 | 2009-11-04 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
JP4924107B2 (ja) | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
US7778615B2 (en) * | 2006-06-29 | 2010-08-17 | Nokia Corporation | Signal level estimation in radio communication system |
CN101404516B (zh) * | 2008-11-21 | 2012-03-21 | 华为技术有限公司 | 一种联合信道估计及帧同步信息检测方法和装置 |
US9195860B1 (en) * | 2014-01-10 | 2015-11-24 | Seagate Technology Llc | Adaptively combining waveforms |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3607687A1 (de) | 1986-03-08 | 1987-09-10 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems |
US5297169A (en) * | 1991-06-28 | 1994-03-22 | Telefonaktiebolaget L M Ericsson | Equalizer training in a radiotelephone system |
US5621769A (en) * | 1992-06-08 | 1997-04-15 | Novatel Communications Ltd. | Adaptive-sequence-estimation apparatus employing diversity combining/selection |
JP2605566B2 (ja) * | 1992-12-25 | 1997-04-30 | 日本電気株式会社 | 適応型等化器 |
WO1994017600A1 (en) * | 1993-01-19 | 1994-08-04 | Ntt Mobile Communications Network Inc. | Method for removing interference wave, receiver and communication system which use the method |
GB2286506B (en) | 1994-02-10 | 1997-12-10 | Roke Manor Research | Improvements in or relating to co-channel interferance suppression systems |
US5648991A (en) * | 1994-02-16 | 1997-07-15 | Kabushiki Kaisha Toshiba | Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore |
US5499272A (en) * | 1994-05-31 | 1996-03-12 | Ericsson Ge Mobile Communications Inc. | Diversity receiver for signals with multipath time dispersion |
FI102797B1 (fi) * | 1994-10-07 | 1999-02-15 | Nokia Telecommunications Oy | Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottimessa sekä menetelmän toteuttava vastaanotin |
JP2689926B2 (ja) * | 1994-12-05 | 1997-12-10 | 日本電気株式会社 | ダイバーシティ受信機 |
US5933768A (en) * | 1997-02-28 | 1999-08-03 | Telefonaktiebolaget L/M Ericsson | Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference |
US6178196B1 (en) * | 1997-10-06 | 2001-01-23 | At&T Corp. | Combined interference cancellation and maximum likelihood decoding of space-time block codes |
US6130909A (en) * | 1998-01-16 | 2000-10-10 | Transamerica Business Credit Corporation | Method and apparatus for equalization in a diversity receiver |
-
1996
- 1996-07-03 FI FI962736A patent/FI103539B/fi active
-
1997
- 1997-07-02 JP JP10504830A patent/JP2000513892A/ja active Pending
- 1997-07-02 AU AU33466/97A patent/AU722332B2/en not_active Ceased
- 1997-07-02 WO PCT/FI1997/000431 patent/WO1998001959A1/en not_active Application Discontinuation
- 1997-07-02 US US09/202,808 patent/US6418175B1/en not_active Expired - Lifetime
- 1997-07-02 EP EP97929328A patent/EP0920734A1/en not_active Withdrawn
-
1998
- 1998-12-30 NO NO986214A patent/NO986214L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO986214L (no) | 1999-02-26 |
NO986214D0 (no) | 1998-12-30 |
JP2000513892A (ja) | 2000-10-17 |
AU3346697A (en) | 1998-02-02 |
AU722332B2 (en) | 2000-07-27 |
FI962736A0 (fi) | 1996-07-03 |
US6418175B1 (en) | 2002-07-09 |
FI103539B (fi) | 1999-07-15 |
EP0920734A1 (en) | 1999-06-09 |
FI962736A (fi) | 1998-01-04 |
WO1998001959A1 (en) | 1998-01-15 |
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