CN1119057A - 分布式双天线系统 - Google Patents
分布式双天线系统 Download PDFInfo
- Publication number
- CN1119057A CN1119057A CN94190641A CN94190641A CN1119057A CN 1119057 A CN1119057 A CN 1119057A CN 94190641 A CN94190641 A CN 94190641A CN 94190641 A CN94190641 A CN 94190641A CN 1119057 A CN1119057 A CN 1119057A
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- antenna
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- spread spectrum
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Images
Classifications
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- 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
-
- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0671—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 delayed versions of same signal using different delays between antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
-
- 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
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
-
- 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
- H04B7/0891—Space-time diversity
- H04B7/0894—Space-time diversity using different delays between antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
-
- 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
- H04B7/022—Site diversity; Macro-diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Optical Communication System (AREA)
- Holo Graphy (AREA)
- Near-Field Transmission Systems (AREA)
- Support Of Aerials (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (47)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US112,392 | 1993-08-27 | ||
US08/112,392 US5513176A (en) | 1990-12-07 | 1993-08-27 | Dual distributed antenna system |
US08/112,392 | 1993-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1119057A true CN1119057A (zh) | 1996-03-20 |
CN1074872C CN1074872C (zh) | 2001-11-14 |
Family
ID=22343646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94190641A Expired - Lifetime CN1074872C (zh) | 1993-08-27 | 1994-08-24 | 数字通信系统 |
Country Status (20)
Country | Link |
---|---|
US (2) | US5513176A (zh) |
EP (1) | EP0667068B1 (zh) |
JP (1) | JP3325895B2 (zh) |
KR (1) | KR100237903B1 (zh) |
CN (1) | CN1074872C (zh) |
AT (1) | ATE148965T1 (zh) |
AU (1) | AU671563B2 (zh) |
BR (1) | BR9405563A (zh) |
DE (1) | DE69401744T2 (zh) |
DK (1) | DK0667068T3 (zh) |
ES (1) | ES2100086T3 (zh) |
FI (1) | FI112747B (zh) |
GR (1) | GR3023316T3 (zh) |
HK (1) | HK63897A (zh) |
IL (1) | IL110765A (zh) |
RU (1) | RU2107989C1 (zh) |
SG (1) | SG52795A1 (zh) |
TW (1) | TW293187B (zh) |
WO (1) | WO1995006365A1 (zh) |
ZA (1) | ZA946418B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102412882A (zh) * | 2011-08-22 | 2012-04-11 | 中兴通讯股份有限公司 | 信号发射方法及装置 |
CN1981455B (zh) * | 2004-05-05 | 2013-01-02 | 西门子公司 | 在移动无线电系统中带有接收空隙地接收以序列发送的数据的方法 |
CN111273217A (zh) * | 2020-03-03 | 2020-06-12 | 青岛大学 | 一种分布式无线电测向定位系统 |
Families Citing this family (387)
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SE460449B (sv) * | 1988-02-29 | 1989-10-09 | Ericsson Telefon Ab L M | Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem |
SE8802229D0 (sv) | 1988-06-14 | 1988-06-14 | Ericsson Telefon Ab L M | Forfarande vid mobilradiostation |
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US5796772A (en) | 1991-05-13 | 1998-08-18 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5887020A (en) | 1991-05-13 | 1999-03-23 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5815525A (en) | 1991-05-13 | 1998-09-29 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
JP2876517B2 (ja) * | 1994-02-16 | 1999-03-31 | 松下電器産業株式会社 | Cdma/tdd方式基地局装置およびcdma/tdd方式移動局装置およびcdma/tdd方式無線通信システムおよびcdma/tdd方式無線通信方法 |
US5787344A (en) | 1994-06-28 | 1998-07-28 | Scheinert; Stefan | Arrangements of base transceiver stations of an area-covering network |
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JPH05268658A (ja) * | 1992-03-18 | 1993-10-15 | Kokusai Denshin Denwa Co Ltd <Kdd> | Cdma通信方式 |
JPH05268128A (ja) * | 1992-03-18 | 1993-10-15 | Kokusai Denshin Denwa Co Ltd <Kdd> | Cdma通信方式 |
US5289499A (en) * | 1992-12-29 | 1994-02-22 | At&T Bell Laboratories | Diversity for direct-sequence spread spectrum systems |
-
1993
- 1993-08-27 US US08/112,392 patent/US5513176A/en not_active Expired - Lifetime
-
1994
- 1994-08-23 ZA ZA946418A patent/ZA946418B/xx unknown
- 1994-08-24 BR BR9405563-7A patent/BR9405563A/pt not_active IP Right Cessation
- 1994-08-24 DE DE69401744T patent/DE69401744T2/de not_active Expired - Lifetime
- 1994-08-24 JP JP50776395A patent/JP3325895B2/ja not_active Expired - Lifetime
- 1994-08-24 RU RU95109926A patent/RU2107989C1/ru not_active IP Right Cessation
- 1994-08-24 WO PCT/US1994/009657 patent/WO1995006365A1/en active IP Right Grant
- 1994-08-24 SG SG1996009660A patent/SG52795A1/en unknown
- 1994-08-24 KR KR1019950701609A patent/KR100237903B1/ko not_active IP Right Cessation
- 1994-08-24 EP EP94926602A patent/EP0667068B1/en not_active Expired - Lifetime
- 1994-08-24 DK DK94926602.7T patent/DK0667068T3/da active
- 1994-08-24 IL IL11076594A patent/IL110765A/en not_active IP Right Cessation
- 1994-08-24 ES ES94926602T patent/ES2100086T3/es not_active Expired - Lifetime
- 1994-08-24 AT AT94926602T patent/ATE148965T1/de active
- 1994-08-24 CN CN94190641A patent/CN1074872C/zh not_active Expired - Lifetime
- 1994-08-24 AU AU76390/94A patent/AU671563B2/en not_active Ceased
- 1994-10-18 TW TW083109657A patent/TW293187B/zh not_active IP Right Cessation
- 1994-12-23 US US08/370,769 patent/US5533011A/en not_active Expired - Lifetime
-
1995
- 1995-04-24 FI FI951935A patent/FI112747B/fi not_active IP Right Cessation
-
1997
- 1997-05-02 GR GR970400974T patent/GR3023316T3/el unknown
- 1997-05-15 HK HK63897A patent/HK63897A/xx not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1981455B (zh) * | 2004-05-05 | 2013-01-02 | 西门子公司 | 在移动无线电系统中带有接收空隙地接收以序列发送的数据的方法 |
CN102412882A (zh) * | 2011-08-22 | 2012-04-11 | 中兴通讯股份有限公司 | 信号发射方法及装置 |
WO2012151891A1 (zh) * | 2011-08-22 | 2012-11-15 | 中兴通讯股份有限公司 | 信号发射方法及装置 |
CN111273217A (zh) * | 2020-03-03 | 2020-06-12 | 青岛大学 | 一种分布式无线电测向定位系统 |
CN111273217B (zh) * | 2020-03-03 | 2023-05-30 | 青岛大学 | 一种分布式无线电测向定位系统 |
Also Published As
Publication number | Publication date |
---|---|
US5533011A (en) | 1996-07-02 |
ES2100086T3 (es) | 1997-06-01 |
KR100237903B1 (ko) | 2000-01-15 |
TW293187B (zh) | 1996-12-11 |
KR950704866A (ko) | 1995-11-20 |
FI112747B (fi) | 2003-12-31 |
GR3023316T3 (en) | 1997-08-29 |
FI951935A0 (fi) | 1995-04-24 |
DE69401744D1 (de) | 1997-03-27 |
IL110765A (en) | 1998-10-30 |
FI951935A (fi) | 1995-06-26 |
BR9405563A (pt) | 1999-09-08 |
JPH08505503A (ja) | 1996-06-11 |
AU7639094A (en) | 1995-03-21 |
ATE148965T1 (de) | 1997-02-15 |
DE69401744T2 (de) | 1997-09-04 |
WO1995006365A1 (en) | 1995-03-02 |
US5513176A (en) | 1996-04-30 |
SG52795A1 (en) | 1998-09-28 |
EP0667068A1 (en) | 1995-08-16 |
JP3325895B2 (ja) | 2002-09-17 |
AU671563B2 (en) | 1996-08-29 |
ZA946418B (en) | 1995-04-24 |
RU2107989C1 (ru) | 1998-03-27 |
CN1074872C (zh) | 2001-11-14 |
IL110765A0 (en) | 1994-11-11 |
HK63897A (en) | 1997-05-23 |
DK0667068T3 (da) | 1997-08-18 |
EP0667068B1 (en) | 1997-02-12 |
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