USRE43367E1 - Power-based hardware diversity - Google Patents
Power-based hardware diversity Download PDFInfo
- Publication number
- USRE43367E1 USRE43367E1 US12/322,659 US32265909A USRE43367E US RE43367 E1 USRE43367 E1 US RE43367E1 US 32265909 A US32265909 A US 32265909A US RE43367 E USRE43367 E US RE43367E
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- US
- United States
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- antenna
- power
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- gain
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- 238000000034 method Methods 0.000 claims abstract description 30
- 230000000116 mitigating effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
Images
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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
-
- 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
- H04B7/0802—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 antenna selection
- H04B7/0805—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 antenna selection with single receiver and antenna switching
- H04B7/0808—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 antenna selection with single receiver and antenna switching comparing all antennas before reception
Abstract
Description
Claims (27)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/322,659 USRE43367E1 (en) | 2003-08-21 | 2009-02-05 | Power-based hardware diversity |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49673403P | 2003-08-21 | 2003-08-21 | |
US10/922,985 US7174138B2 (en) | 2003-08-21 | 2004-08-23 | Power-based hardware diversity |
US12/322,659 USRE43367E1 (en) | 2003-08-21 | 2009-02-05 | Power-based hardware diversity |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/922,985 Reissue US7174138B2 (en) | 2003-08-21 | 2004-08-23 | Power-based hardware diversity |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE43367E1 true USRE43367E1 (en) | 2012-05-08 |
Family
ID=34228603
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/922,985 Ceased US7174138B2 (en) | 2003-08-21 | 2004-08-23 | Power-based hardware diversity |
US12/322,659 Active 2025-07-22 USRE43367E1 (en) | 2003-08-21 | 2009-02-05 | Power-based hardware diversity |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/922,985 Ceased US7174138B2 (en) | 2003-08-21 | 2004-08-23 | Power-based hardware diversity |
Country Status (1)
Country | Link |
---|---|
US (2) | US7174138B2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8306574B2 (en) * | 2003-10-29 | 2012-11-06 | Robert Warner | Method and system for an adaptive wireless communication system optimized for economic benefit |
US7233773B2 (en) * | 2004-02-13 | 2007-06-19 | Broadcom Corporation | Configuring a MIMO communication |
SE527699C2 (en) * | 2004-02-27 | 2006-05-16 | Infineon Technologies Ag | Method for antenna diversity with fallback and weighting |
US7555053B2 (en) * | 2004-04-14 | 2009-06-30 | Broadcom Corporation | Long training sequence for MIMO WLAN systems |
US8995921B2 (en) * | 2004-09-10 | 2015-03-31 | Interdigital Technology Corporation | Measurement support for a smart antenna in a wireless communication system |
US7489901B2 (en) * | 2004-09-30 | 2009-02-10 | Alcatel-Lucent Usa Inc. | Method for dynamically estimating noise floor and rise over thermal (ROT) |
US7389090B1 (en) * | 2004-10-25 | 2008-06-17 | Micro Mobio, Inc. | Diplexer circuit for wireless communication devices |
US7313367B2 (en) * | 2005-03-14 | 2007-12-25 | Northrop Grumman Corporation | Switched multiplexer method to combine multiple broadband RF sources |
US20090042527A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro Inc. | Dynamic low power receiver |
US20090040107A1 (en) * | 2007-06-12 | 2009-02-12 | Hmicro, Inc. | Smart antenna subsystem |
WO2009055714A2 (en) * | 2007-10-24 | 2009-04-30 | Hmicro, Inc. | Systems and networks for half and full duplex wireless communication using multiple radios |
GB2490834B (en) * | 2008-02-06 | 2013-05-29 | Hmicro Inc | Wireless communications systems using multiple radios |
JP2009284412A (en) | 2008-05-26 | 2009-12-03 | Nec Electronics Corp | Radio communication apparatus |
US8918066B2 (en) * | 2012-06-08 | 2014-12-23 | Apple Inc. | Facilitating switching between transmitting antennas in portable electronic devices |
US9451551B2 (en) | 2012-12-21 | 2016-09-20 | Apple Inc. | Controlling a power state of a cellular packet data subsystem in a portable electronic device |
WO2019041308A1 (en) * | 2017-09-01 | 2019-03-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Power back-off controlling method, apparatus and equipment |
CN110290578B (en) | 2018-03-19 | 2021-09-03 | 大唐移动通信设备有限公司 | Method and terminal for acquiring noise power |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5809090A (en) * | 1996-03-04 | 1998-09-15 | Glenayre Electronics, Inc. | Digital diversity receiver system |
US5963874A (en) | 1995-09-29 | 1999-10-05 | Telefonaktiebolaget Lm Ericsson | Radio station arranged for space-diversity and polarization diversity reception |
US5999561A (en) | 1997-05-20 | 1999-12-07 | Sanconix, Inc. | Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
US6151372A (en) | 1998-07-21 | 2000-11-21 | Nec Corporation | Diversity receiver |
US6185258B1 (en) | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
US20020101378A1 (en) | 2001-01-26 | 2002-08-01 | Quinn Liam B. | Antenna module interface extension |
US6493399B1 (en) | 1998-03-05 | 2002-12-10 | University Of Delaware | Digital wireless communications systems that eliminates intersymbol interference (ISI) and multipath cancellation using a plurality of optimal ambiguity resistant precoders |
US20030190903A1 (en) | 2002-07-22 | 2003-10-09 | Envara Ltd. | Zero-loss front end for wireless communication |
US20040014431A1 (en) | 2002-06-05 | 2004-01-22 | Titus Lo | Adaptive communications system and method |
US6748200B1 (en) | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
US20040125869A1 (en) | 2002-12-31 | 2004-07-01 | May Michael R. | Method and apparatus for non-intrusive transceiver property adjustment |
US20040242277A1 (en) | 2003-05-28 | 2004-12-02 | Nec Corporation | Antenna diversity transceiver and method of switching reception antenna |
US20040266374A1 (en) | 2003-06-30 | 2004-12-30 | Icefyre Semiconductor Corporation | Method of and device for antennae diversity switching |
US6842421B1 (en) | 1999-09-17 | 2005-01-11 | Lucent Technologies Inc. | Method and apparatus for post-detection maximum ratio combining with antenna diversity in an orthogonal frequency division multiplexing (OFDM) communication system |
-
2004
- 2004-08-23 US US10/922,985 patent/US7174138B2/en not_active Ceased
-
2009
- 2009-02-05 US US12/322,659 patent/USRE43367E1/en active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5963874A (en) | 1995-09-29 | 1999-10-05 | Telefonaktiebolaget Lm Ericsson | Radio station arranged for space-diversity and polarization diversity reception |
US5809090A (en) * | 1996-03-04 | 1998-09-15 | Glenayre Electronics, Inc. | Digital diversity receiver system |
US5999561A (en) | 1997-05-20 | 1999-12-07 | Sanconix, Inc. | Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
US6185258B1 (en) | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
US6493399B1 (en) | 1998-03-05 | 2002-12-10 | University Of Delaware | Digital wireless communications systems that eliminates intersymbol interference (ISI) and multipath cancellation using a plurality of optimal ambiguity resistant precoders |
US6151372A (en) | 1998-07-21 | 2000-11-21 | Nec Corporation | Diversity receiver |
US6842421B1 (en) | 1999-09-17 | 2005-01-11 | Lucent Technologies Inc. | Method and apparatus for post-detection maximum ratio combining with antenna diversity in an orthogonal frequency division multiplexing (OFDM) communication system |
US6748200B1 (en) | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
US20020101378A1 (en) | 2001-01-26 | 2002-08-01 | Quinn Liam B. | Antenna module interface extension |
US6538606B2 (en) | 2001-01-26 | 2003-03-25 | Dell Products L.P. | Antenna module interface extension |
US20040014431A1 (en) | 2002-06-05 | 2004-01-22 | Titus Lo | Adaptive communications system and method |
US20030190903A1 (en) | 2002-07-22 | 2003-10-09 | Envara Ltd. | Zero-loss front end for wireless communication |
US20040125869A1 (en) | 2002-12-31 | 2004-07-01 | May Michael R. | Method and apparatus for non-intrusive transceiver property adjustment |
US20040242277A1 (en) | 2003-05-28 | 2004-12-02 | Nec Corporation | Antenna diversity transceiver and method of switching reception antenna |
US20040266374A1 (en) | 2003-06-30 | 2004-12-30 | Icefyre Semiconductor Corporation | Method of and device for antennae diversity switching |
Also Published As
Publication number | Publication date |
---|---|
US7174138B2 (en) | 2007-02-06 |
US20050054383A1 (en) | 2005-03-10 |
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Owner name: XOCYST TRANSFER AG L.L.C., DELAWARE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CONEXANT SYSTEMS, INC.;REEL/FRAME:022489/0532 Effective date: 20081016 Owner name: CONEXANT SYSTEMS, INC., NEW JERSEY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WEBSTER, MARK A.;GARRETT, ALBERT L.;HALFORD, STEVEN D.;SIGNING DATES FROM 20041014 TO 20041109;REEL/FRAME:022489/0515 |
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Owner name: INTELLECTUAL VENTURES I LLC, DELAWARE Free format text: MERGER;ASSIGNOR:XOCYST TRANSFER AG L.L.C.;REEL/FRAME:026637/0603 Effective date: 20110718 |
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Owner name: INTELLECTUAL VENTURES ASSETS 197 LLC, DELAWARE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INTELLECTUAL VENTURES I LLC;REEL/FRAME:066791/0776 Effective date: 20240315 |