CN1183792C - 无线基站及其控制方法 - Google Patents
无线基站及其控制方法 Download PDFInfo
- Publication number
- CN1183792C CN1183792C CNB001355341A CN00135534A CN1183792C CN 1183792 C CN1183792 C CN 1183792C CN B001355341 A CNB001355341 A CN B001355341A CN 00135534 A CN00135534 A CN 00135534A CN 1183792 C CN1183792 C CN 1183792C
- Authority
- CN
- China
- Prior art keywords
- mobile radio
- radio station
- spatial multiplexing
- signal
- directed
- 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.)
- Expired - Fee Related
Links
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
- H04B7/0613—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 simultaneous transmission
- H04B7/0615—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 simultaneous transmission of weighted versions of same signal
- H04B7/0617—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 simultaneous transmission of weighted versions of same signal for beam forming
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33073699A JP3416597B2 (ja) | 1999-11-19 | 1999-11-19 | 無線基地局 |
JP330736/1999 | 1999-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1298266A CN1298266A (zh) | 2001-06-06 |
CN1183792C true CN1183792C (zh) | 2005-01-05 |
Family
ID=18235994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001355341A Expired - Fee Related CN1183792C (zh) | 1999-11-19 | 2000-11-18 | 无线基站及其控制方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6754512B1 (zh) |
JP (1) | JP3416597B2 (zh) |
CN (1) | CN1183792C (zh) |
HK (1) | HK1037833A1 (zh) |
TW (1) | TW506161B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3939069B2 (ja) * | 2000-03-22 | 2007-06-27 | 三洋電機株式会社 | アンテナ指向性制御方法および無線装置 |
TW595857U (en) * | 2001-11-29 | 2004-06-21 | Us | 091219345 |
US7197067B2 (en) * | 2002-02-28 | 2007-03-27 | Texas Instruments Incorporated | Parameter selection in a communication system |
JP3956739B2 (ja) * | 2002-03-27 | 2007-08-08 | 日本電気株式会社 | マルチビームアンテナ送受信装置及び送受信方法並びに送信ビーム選択方法 |
US7324429B2 (en) * | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
JP4663369B2 (ja) * | 2004-05-20 | 2011-04-06 | パナソニック株式会社 | 無線通信システム、無線通信方法、基地局装置及び端末装置 |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
JP4791158B2 (ja) * | 2005-11-24 | 2011-10-12 | 株式会社日立製作所 | 無線基地局装置および空間多重送信数制御装置 |
CN100490408C (zh) | 2005-11-24 | 2009-05-20 | 鸿富锦精密工业(深圳)有限公司 | 接入点及其建立无线分布系统连线的方法 |
JP4755629B2 (ja) * | 2007-06-12 | 2011-08-24 | 日本電信電話株式会社 | 送受信装置とその通信方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515378A (en) * | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
US5260968A (en) * | 1992-06-23 | 1993-11-09 | The Regents Of The University Of California | Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering |
ATE145496T1 (de) * | 1992-10-19 | 1996-12-15 | Northern Telecom Ltd | Antenneneinrichtung für basisstation |
FI105515B (fi) * | 1995-05-24 | 2000-08-31 | Nokia Networks Oy | Menetelmä kanavanvaihdon nopeuttamiseksi sekä solukkoradiojärjestelmä |
JP2790078B2 (ja) * | 1995-06-05 | 1998-08-27 | 日本電気株式会社 | 移動通信システムのアンテナ指向性制御方法およびチャネル構成方法 |
GB9514659D0 (en) * | 1995-07-18 | 1995-09-13 | Northern Telecom Ltd | An antenna downlink beamsteering arrangement |
US5873048A (en) * | 1995-07-27 | 1999-02-16 | Lucent Technologies Inc. | Locator and method for a wireless communication system |
CA2163692C (en) * | 1995-11-24 | 2001-08-07 | Claude Belisle | Design of an electronic beam forming network for phased array applications |
JP3204111B2 (ja) * | 1996-08-28 | 2001-09-04 | 松下電器産業株式会社 | 指向性制御アンテナ装置 |
US5924040A (en) * | 1996-11-20 | 1999-07-13 | Telxon Corporation | Wireless communication system having base station with adjustable power transceiver for locating mobile devices |
US5936569A (en) * | 1997-12-02 | 1999-08-10 | Nokia Telecommunications Oy | Method and arrangement for adjusting antenna pattern |
US6351499B1 (en) * | 1999-12-15 | 2002-02-26 | Iospan Wireless, Inc. | Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter |
-
1999
- 1999-11-19 JP JP33073699A patent/JP3416597B2/ja not_active Expired - Fee Related
-
2000
- 2000-11-17 US US09/714,272 patent/US6754512B1/en not_active Expired - Fee Related
- 2000-11-17 TW TW089124344A patent/TW506161B/zh not_active IP Right Cessation
- 2000-11-18 CN CNB001355341A patent/CN1183792C/zh not_active Expired - Fee Related
-
2001
- 2001-11-20 HK HK01108171A patent/HK1037833A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2001148656A (ja) | 2001-05-29 |
TW506161B (en) | 2002-10-11 |
US6754512B1 (en) | 2004-06-22 |
HK1037833A1 (en) | 2002-02-15 |
JP3416597B2 (ja) | 2003-06-16 |
CN1298266A (zh) | 2001-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1034168 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Owner name: KYOTO CERAMIC CO., LTD. Free format text: FORMER OWNER: SANYO ELECTRIC CO., LTD. Effective date: 20090327 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090327 Address after: Kyoto City, Kyoto, Japan Patentee after: KYOCERA Corporation Address before: Osaka Japan Patentee before: Sanyo Electric Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20091218 |