EP1929654A4 - Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans - Google Patents
Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lansInfo
- Publication number
- EP1929654A4 EP1929654A4 EP05852027A EP05852027A EP1929654A4 EP 1929654 A4 EP1929654 A4 EP 1929654A4 EP 05852027 A EP05852027 A EP 05852027A EP 05852027 A EP05852027 A EP 05852027A EP 1929654 A4 EP1929654 A4 EP 1929654A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- beams
- wireless lans
- mimo wireless
- selecting antennas
- antennas
- 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.)
- Withdrawn
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
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
- H04L2025/03808—Transmission of equaliser coefficients
-
- 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2005/035012 WO2007040515A2 (en) | 2005-09-30 | 2005-09-30 | Training signals for selecting antennas and beams in mimo wireless lans |
PCT/US2005/039651 WO2007040554A2 (en) | 2005-09-30 | 2005-11-03 | Method for selecting antennas and beams in mimo wireless lans |
PCT/US2005/042358 WO2007040564A1 (en) | 2005-09-30 | 2005-11-21 | Method for selecting antennas and beams in mimo wireless lans |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1929654A1 EP1929654A1 (de) | 2008-06-11 |
EP1929654A4 true EP1929654A4 (de) | 2010-06-23 |
Family
ID=37906465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05852027A Withdrawn EP1929654A4 (de) | 2005-09-30 | 2005-11-21 | Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1929654A4 (de) |
WO (1) | WO2007040564A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7917107B2 (en) | 2006-03-23 | 2011-03-29 | Mitsubishi Electric Research Laboratories, Inc. | Antenna selection with RF imbalance |
US7756099B2 (en) | 2007-07-13 | 2010-07-13 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for selecting antennas adaptively in OFDMA networks |
US8086272B2 (en) * | 2007-08-06 | 2011-12-27 | Mitsubishi Electric Research Laboratories, Inc. | Wireless networks incorporating antenna selection based on received sounding reference signals |
JP5639470B2 (ja) | 2007-08-31 | 2014-12-10 | コーニンクレッカ フィリップス エヌ ヴェ | 改善されたマルチユーザ伝送 |
US8176378B2 (en) * | 2007-09-07 | 2012-05-08 | Broadcom Corporation | Method and system for a transmitting antenna selection failure recovery mode |
US7924803B2 (en) * | 2007-11-09 | 2011-04-12 | Mitsubishi Electric Research Labs, Inc. | Antenna selection for mobile stations in OFDMA networks |
US8498362B2 (en) | 2008-02-01 | 2013-07-30 | Marvell World Trade Ltd. | Channel sounding and estimation strategies for antenna selection in MIMO systems |
US9749022B2 (en) | 2008-02-01 | 2017-08-29 | Marvell World Trade Ltd. | Channel sounding and estimation strategies in MIMO systems |
JP5202092B2 (ja) * | 2008-05-09 | 2013-06-05 | キヤノン株式会社 | 通信装置及び制御方法 |
EP2342877B1 (de) | 2008-08-26 | 2013-03-27 | Marvell World Trade Ltd. | Dateneinheitsformat der bitübertragungsschicht |
EP2415182B1 (de) * | 2009-03-31 | 2018-11-28 | Marvell World Trade Ltd. | Verfahren und vorrichtung mit lotungs- und steuerprotokolle zur drahtlose kommunikation |
DK2782264T3 (en) | 2009-11-13 | 2019-01-14 | Interdigital Patent Holdings Inc | METHOD AND APPARATUS FOR SUPPORTING HANDLING OPERATIONS AT A VERY HIGH CONTROL IN WIRELESS COMMUNICATION. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005034387A2 (en) * | 2003-10-01 | 2005-04-14 | Broadcom Corporation | System and method for antenna selection |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004040690A2 (en) * | 2002-10-29 | 2004-05-13 | Nokia Corporation | Low complexity beamformers for multiple transmit and receive antennas |
KR100651447B1 (ko) * | 2004-04-14 | 2006-11-29 | 삼성전자주식회사 | 복수의 안테나들을 사용하는 셀룰러 이동통신 시스템에서의 안테나 재 선택 시스템 및 방법 |
WO2007069071A2 (en) * | 2005-01-14 | 2007-06-21 | Piping Hot Networks Limited | Dual payload and adaptive modulation |
-
2005
- 2005-11-21 WO PCT/US2005/042358 patent/WO2007040564A1/en active Application Filing
- 2005-11-21 EP EP05852027A patent/EP1929654A4/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005034387A2 (en) * | 2003-10-01 | 2005-04-14 | Broadcom Corporation | System and method for antenna selection |
Non-Patent Citations (2)
Title |
---|
"Draft Amendment to IEEE Standard for Local and metropolitan area networks", INTERNET CITATION, 13 September 2005 (2005-09-13), XP002556945 * |
See also references of WO2007040564A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1929654A1 (de) | 2008-06-11 |
WO2007040564A1 (en) | 2007-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080122 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100525 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 7/00 20060101AFI20070611BHEP Ipc: H04B 7/06 20060101ALI20100518BHEP |
|
17Q | First examination report despatched |
Effective date: 20110906 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20120117 |