AR057231A1 - Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas - Google Patents
Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenasInfo
- Publication number
- AR057231A1 AR057231A1 ARP060105427A ARP060105427A AR057231A1 AR 057231 A1 AR057231 A1 AR 057231A1 AR P060105427 A ARP060105427 A AR P060105427A AR P060105427 A ARP060105427 A AR P060105427A AR 057231 A1 AR057231 A1 AR 057231A1
- Authority
- AR
- Argentina
- Prior art keywords
- average
- estimation
- channels
- multiple antennas
- energy based
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0631—Receiver arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/022—Channel estimation of frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Técnicas para facilitar la estimacion de la respuesta de la frecuencia de un canal inalámbrico en un sistema de OFDM. El método y los sistemas permiten la combinacion de la informacion de la senal a través de multiples canales de comunicacion en uno o más retardos de tap de canal, a efectos de determinar taps adecuados para la informacion del canal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74924105P | 2005-12-09 | 2005-12-09 | |
US11/560,735 US8107517B2 (en) | 2005-12-09 | 2006-11-16 | Average-tap energy based thresholding for channel estimation in multi antenna systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AR057231A1 true AR057231A1 (es) | 2007-11-21 |
Family
ID=38139314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP060105427A AR057231A1 (es) | 2005-12-09 | 2006-12-07 | Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas |
Country Status (7)
Country | Link |
---|---|
US (1) | US8107517B2 (es) |
EP (1) | EP1966962A2 (es) |
JP (1) | JP2009518979A (es) |
KR (1) | KR20080083309A (es) |
AR (1) | AR057231A1 (es) |
TW (1) | TW200735552A (es) |
WO (1) | WO2007117318A2 (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8509325B2 (en) * | 2008-07-01 | 2013-08-13 | Qualcomm Incorporated | Adaptive thresholding for OFDM channel estimation |
US9571305B2 (en) * | 2012-10-09 | 2017-02-14 | Xiao-an Wang | Channel estimation by time-domain parameter extraction |
EP3808126B1 (en) * | 2018-06-18 | 2022-07-06 | Hitachi Energy Switzerland AG | Route selection in a wireless communication system |
US10756860B2 (en) | 2018-11-05 | 2020-08-25 | XCOM Labs, Inc. | Distributed multiple-input multiple-output downlink configuration |
US10659112B1 (en) | 2018-11-05 | 2020-05-19 | XCOM Labs, Inc. | User equipment assisted multiple-input multiple-output downlink configuration |
US10812216B2 (en) | 2018-11-05 | 2020-10-20 | XCOM Labs, Inc. | Cooperative multiple-input multiple-output downlink scheduling |
US10432272B1 (en) | 2018-11-05 | 2019-10-01 | XCOM Labs, Inc. | Variable multiple-input multiple-output downlink user equipment |
CA3119325C (en) | 2018-11-27 | 2023-07-04 | XCOM Labs, Inc. | Non-coherent cooperative multiple-input multiple-output communications |
US10616005B1 (en) * | 2018-11-28 | 2020-04-07 | Samsung Electronics Co., Ltd. | Robust noise power estimation |
US11063645B2 (en) | 2018-12-18 | 2021-07-13 | XCOM Labs, Inc. | Methods of wirelessly communicating with a group of devices |
US10756795B2 (en) | 2018-12-18 | 2020-08-25 | XCOM Labs, Inc. | User equipment with cellular link and peer-to-peer link |
US11330649B2 (en) | 2019-01-25 | 2022-05-10 | XCOM Labs, Inc. | Methods and systems of multi-link peer-to-peer communications |
US10756767B1 (en) | 2019-02-05 | 2020-08-25 | XCOM Labs, Inc. | User equipment for wirelessly communicating cellular signal with another user equipment |
US10756782B1 (en) | 2019-04-26 | 2020-08-25 | XCOM Labs, Inc. | Uplink active set management for multiple-input multiple-output communications |
US11032841B2 (en) | 2019-04-26 | 2021-06-08 | XCOM Labs, Inc. | Downlink active set management for multiple-input multiple-output communications |
US10686502B1 (en) | 2019-04-29 | 2020-06-16 | XCOM Labs, Inc. | Downlink user equipment selection |
US10735057B1 (en) | 2019-04-29 | 2020-08-04 | XCOM Labs, Inc. | Uplink user equipment selection |
US11411778B2 (en) | 2019-07-12 | 2022-08-09 | XCOM Labs, Inc. | Time-division duplex multiple input multiple output calibration |
US11411779B2 (en) | 2020-03-31 | 2022-08-09 | XCOM Labs, Inc. | Reference signal channel estimation |
EP4158795A4 (en) | 2020-05-26 | 2024-06-19 | Xcom Labs, Inc. | BEAMFORMING ACCOUNTING FOR INTERFERENCE |
CN116325684A (zh) | 2020-10-19 | 2023-06-23 | 艾斯康实验室公司 | 用于无线通信系统的参考信号 |
WO2022093988A1 (en) | 2020-10-30 | 2022-05-05 | XCOM Labs, Inc. | Clustering and/or rate selection in multiple-input multiple-output communication systems |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5446922A (en) * | 1992-12-21 | 1995-08-29 | Motorola, Inc. | Method and apparatus for switched diversity reception of a radio signal |
SE503522C2 (sv) * | 1994-10-31 | 1996-07-01 | Ericsson Telefon Ab L M | Förfarande och anordning för kanalestimering |
EP0966113B1 (en) * | 1998-06-19 | 2003-12-10 | Motorola Semiconducteurs S.A. | Method and apparatus for performing equalisation in a radio receiver |
US6907092B1 (en) * | 2000-07-14 | 2005-06-14 | Comsys Communication & Signal Processing Ltd. | Method of channel order selection and channel estimation in a wireless communication system |
JP2005328312A (ja) * | 2004-05-13 | 2005-11-24 | Ntt Docomo Inc | チャネル推定装置、チャネル推定方法及び無線受信機 |
US7382842B2 (en) * | 2004-08-02 | 2008-06-03 | Beceem Communications Inc. | Method and system for performing channel estimation in a multiple antenna block transmission system |
US7609773B2 (en) | 2005-04-18 | 2009-10-27 | Qualcomm Incorporated | Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator |
-
2006
- 2006-11-16 US US11/560,735 patent/US8107517B2/en active Active
- 2006-12-06 WO PCT/US2006/061708 patent/WO2007117318A2/en active Application Filing
- 2006-12-06 KR KR1020087016709A patent/KR20080083309A/ko not_active Application Discontinuation
- 2006-12-06 EP EP06850243A patent/EP1966962A2/en not_active Withdrawn
- 2006-12-06 JP JP2008544646A patent/JP2009518979A/ja active Pending
- 2006-12-07 AR ARP060105427A patent/AR057231A1/es unknown
- 2006-12-08 TW TW095146030A patent/TW200735552A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
TW200735552A (en) | 2007-09-16 |
WO2007117318A3 (en) | 2008-02-14 |
EP1966962A2 (en) | 2008-09-10 |
KR20080083309A (ko) | 2008-09-17 |
US20070133668A1 (en) | 2007-06-14 |
JP2009518979A (ja) | 2009-05-07 |
WO2007117318A2 (en) | 2007-10-18 |
US8107517B2 (en) | 2012-01-31 |
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Legal Events
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FB | Suspension of granting procedure |