KR100600864B1 - 이동무선 통신시스템 - Google Patents
이동무선 통신시스템 Download PDFInfo
- Publication number
- KR100600864B1 KR100600864B1 KR1020060035394A KR20060035394A KR100600864B1 KR 100600864 B1 KR100600864 B1 KR 100600864B1 KR 1020060035394 A KR1020060035394 A KR 1020060035394A KR 20060035394 A KR20060035394 A KR 20060035394A KR 100600864 B1 KR100600864 B1 KR 100600864B1
- Authority
- KR
- South Korea
- Prior art keywords
- base station
- control signal
- mobile station
- mobile
- signal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims 3
- 230000001413 cellular effect Effects 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- 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
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- 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
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (6)
- 복수의 기지국과, 각 기지국에 의해 형성되는 셀사이를 이동하는 이동국이 접속되는 이동무선 통신시스템에 있어서 복수의 인접한 기지국들중 한 기지국에 있어서,상기 기지국은,상기 각 기지국에서 송신되는 제어신호에 대해서는, 소프트 핸드오프제어를 행하고, 상기 각 기지국에서 송신되는 정보신호에 대해서는, 하드 핸드오프제어를 행하는 것을 특징으로 하는 기지국.
- 제 1항에 있어서,상기 이동국과 상기 복수의 기지국이 부호분할 다원접속방식으로 접속되는 것을 특징으로 하는 기지국.
- 제 1항에 있어서,상기 각 기지국은, 제어신호로서 상기 이동국의 송신전력을 제어하는 송신전력 제어신호를 송신하고, 상기 송신전력 제어신호에 대해서는 소프트 핸드오프제어를 행하는 것을 특징으로 하는 기지국.
- 제 1항에 있어서,상기 기지국에 접속되어 있는 이동국의 수를 카운트하는 접속수 감시수단을 구비하고,상기 기지국은, 상기 이동국의 접속수가 소정의 임계치 이상일 때에는 상기 제어신호에만 대하여 소프트 핸드오프제어를 행하고, 상기 이동국의 접속수가 상기 임계치 이하일 때에는 상기 제어신호 및 제어신호 이외의 신호에 대해서도 소프트 핸드오프제어를 행하는 것을 특징으로 하는 기지국.
- 제 1항에 있어서,상기 기지국은, 상기 이동국사이에 있어서의 신호품질을 감시하는 품질감시수단을 구비하고,상기 기지국은, 상기 신호품질이 소정의 임계치 이상일 때에는 상기 제어신호에만 대하여 소프트 핸드오프제어를 행하고, 상기 신호품질이 상기 임계치 이하일 때에는 상기 제어신호 및 제어신호 이외의 신호에 대해서도 소프트 핸드오프제어를 행하는 것을 특징으로 하는 기지국.
- 제 1항에 있어서,상기 기지국은, 상기 제어신호만을 송신하는 경우의 제어신호의 송신레벨을, 제어신호 및 제어신호 이외의 신호의 쌍방을 송신하는 경우의 제어신호의 송신레벨보다도 높은 것을 특징으로 하는 이동무선 통신시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-1998-00117507 | 1998-04-27 | ||
JP11750798A JP3956479B2 (ja) | 1998-04-27 | 1998-04-27 | 移動通信システム、移動局及び基地局 |
KR1019990014151A KR100600870B1 (ko) | 1998-04-27 | 1999-04-21 | 이동무선 통신시스템 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990014151A Division KR100600870B1 (ko) | 1998-04-27 | 1999-04-21 | 이동무선 통신시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060038437A KR20060038437A (ko) | 2006-05-03 |
KR100600864B1 true KR100600864B1 (ko) | 2006-07-18 |
Family
ID=14713477
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990014151A KR100600870B1 (ko) | 1998-04-27 | 1999-04-21 | 이동무선 통신시스템 |
KR1020060035394A KR100600864B1 (ko) | 1998-04-27 | 2006-04-19 | 이동무선 통신시스템 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990014151A KR100600870B1 (ko) | 1998-04-27 | 1999-04-21 | 이동무선 통신시스템 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6263205B1 (ko) |
EP (1) | EP0954194B1 (ko) |
JP (1) | JP3956479B2 (ko) |
KR (2) | KR100600870B1 (ko) |
DE (1) | DE69925952T2 (ko) |
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-
1998
- 1998-04-27 JP JP11750798A patent/JP3956479B2/ja not_active Expired - Lifetime
-
1999
- 1999-04-21 KR KR1019990014151A patent/KR100600870B1/ko not_active IP Right Cessation
- 1999-04-22 EP EP19990303124 patent/EP0954194B1/en not_active Expired - Lifetime
- 1999-04-22 DE DE1999625952 patent/DE69925952T2/de not_active Expired - Lifetime
- 1999-04-23 US US09/296,416 patent/US6263205B1/en not_active Expired - Lifetime
-
2006
- 2006-04-19 KR KR1020060035394A patent/KR100600864B1/ko not_active IP Right Cessation
-
2012
- 2012-06-15 US US13/524,238 patent/USRE44322E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0954194B1 (en) | 2005-06-29 |
KR100600870B1 (ko) | 2006-07-14 |
USRE44322E1 (en) | 2013-06-25 |
DE69925952T2 (de) | 2006-05-11 |
JPH11313356A (ja) | 1999-11-09 |
JP3956479B2 (ja) | 2007-08-08 |
KR19990083359A (ko) | 1999-11-25 |
EP0954194A3 (en) | 2000-06-07 |
DE69925952D1 (de) | 2005-08-04 |
EP0954194A2 (en) | 1999-11-03 |
US6263205B1 (en) | 2001-07-17 |
KR20060038437A (ko) | 2006-05-03 |
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