TW361021B - Method and apparatus for providing diversity in hard handoff for a CDMA system - Google Patents
Method and apparatus for providing diversity in hard handoff for a CDMA systemInfo
- Publication number
- TW361021B TW361021B TW086106696A TW86106696A TW361021B TW 361021 B TW361021 B TW 361021B TW 086106696 A TW086106696 A TW 086106696A TW 86106696 A TW86106696 A TW 86106696A TW 361021 B TW361021 B TW 361021B
- Authority
- TW
- Taiwan
- Prior art keywords
- base station
- remote unit
- communication signal
- active communication
- antenna
- Prior art date
Links
- 230000003111 delayed effect Effects 0.000 abstract 2
- 230000001934 delay Effects 0.000 abstract 1
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
- H04B7/0667—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
- 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
- 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
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
-
- 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)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/651,430 US5926470A (en) | 1996-05-22 | 1996-05-22 | Method and apparatus for providing diversity in hard handoff for a CDMA system |
Publications (1)
Publication Number | Publication Date |
---|---|
TW361021B true TW361021B (en) | 1999-06-11 |
Family
ID=24612837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086106696A TW361021B (en) | 1996-05-22 | 1997-05-20 | Method and apparatus for providing diversity in hard handoff for a CDMA system |
Country Status (14)
Country | Link |
---|---|
US (1) | US5926470A (zh) |
EP (1) | EP0900512B1 (zh) |
JP (2) | JP4191249B2 (zh) |
CN (1) | CN1158889C (zh) |
AT (1) | ATE302535T1 (zh) |
AU (1) | AU3209197A (zh) |
BR (1) | BR9712090A (zh) |
CA (1) | CA2256409C (zh) |
DE (1) | DE69733997T2 (zh) |
HK (1) | HK1018874A1 (zh) |
IL (1) | IL127171A (zh) |
TW (1) | TW361021B (zh) |
WO (1) | WO1997044983A2 (zh) |
ZA (1) | ZA974384B (zh) |
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US5657325A (en) * | 1995-03-31 | 1997-08-12 | Lucent Technologies Inc. | Transmitter and method for transmitting information packets with incremental redundancy |
-
1996
- 1996-05-22 US US08/651,430 patent/US5926470A/en not_active Expired - Lifetime
-
1997
- 1997-05-20 TW TW086106696A patent/TW361021B/zh not_active IP Right Cessation
- 1997-05-22 JP JP54270997A patent/JP4191249B2/ja not_active Expired - Lifetime
- 1997-05-22 AT AT97927692T patent/ATE302535T1/de not_active IP Right Cessation
- 1997-05-22 WO PCT/US1997/008671 patent/WO1997044983A2/en active IP Right Grant
- 1997-05-22 IL IL12717197A patent/IL127171A/xx not_active IP Right Cessation
- 1997-05-22 EP EP97927692A patent/EP0900512B1/en not_active Expired - Lifetime
- 1997-05-22 AU AU32091/97A patent/AU3209197A/en not_active Abandoned
- 1997-05-22 CA CA2256409A patent/CA2256409C/en not_active Expired - Fee Related
- 1997-05-22 BR BR9712090-1A patent/BR9712090A/pt not_active Application Discontinuation
- 1997-05-22 DE DE69733997T patent/DE69733997T2/de not_active Expired - Lifetime
- 1997-05-22 CN CNB971965862A patent/CN1158889C/zh not_active Expired - Lifetime
- 1997-06-20 ZA ZA974384A patent/ZA974384B/xx unknown
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1999
- 1999-09-09 HK HK99103922A patent/HK1018874A1/xx not_active IP Right Cessation
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2007
- 2007-02-15 JP JP2007035396A patent/JP4643600B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IL127171A (en) | 2003-06-24 |
CN1225788A (zh) | 1999-08-11 |
WO1997044983A3 (en) | 1997-12-24 |
JP2000511377A (ja) | 2000-08-29 |
IL127171A0 (en) | 1999-09-22 |
ATE302535T1 (de) | 2005-09-15 |
JP4643600B2 (ja) | 2011-03-02 |
US5926470A (en) | 1999-07-20 |
JP2007195206A (ja) | 2007-08-02 |
EP0900512A2 (en) | 1999-03-10 |
EP0900512B1 (en) | 2005-08-17 |
CA2256409C (en) | 2011-08-02 |
DE69733997D1 (de) | 2005-09-22 |
ZA974384B (en) | 1998-08-24 |
WO1997044983A2 (en) | 1997-11-27 |
DE69733997T2 (de) | 2006-06-29 |
CN1158889C (zh) | 2004-07-21 |
BR9712090A (pt) | 1999-08-31 |
JP4191249B2 (ja) | 2008-12-03 |
CA2256409A1 (en) | 1997-11-27 |
HK1018874A1 (en) | 2000-01-07 |
AU3209197A (en) | 1997-12-09 |
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