CN1110972C - 在码分多址移动通信***中减少基站之间连续硬切换的方法 - Google Patents
在码分多址移动通信***中减少基站之间连续硬切换的方法 Download PDFInfo
- Publication number
- CN1110972C CN1110972C CN98102168A CN98102168A CN1110972C CN 1110972 C CN1110972 C CN 1110972C CN 98102168 A CN98102168 A CN 98102168A CN 98102168 A CN98102168 A CN 98102168A CN 1110972 C CN1110972 C CN 1110972C
- Authority
- CN
- China
- Prior art keywords
- base station
- pilot
- cut operation
- pilot signal
- direct
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000010295 mobile communication Methods 0.000 title claims abstract description 23
- 230000009467 reduction Effects 0.000 title abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000013468 resource allocation Methods 0.000 claims description 21
- 238000013459 approach Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 7
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
-
- 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
- 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]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- 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)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR19970/97 | 1997-05-22 | ||
KR1019970019970A KR100240451B1 (ko) | 1997-05-22 | 1997-05-22 | 기지국 사이의 연속 하드 핸드오프 감소 방법 |
KR19970/1997 | 1997-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1200635A CN1200635A (zh) | 1998-12-02 |
CN1110972C true CN1110972C (zh) | 2003-06-04 |
Family
ID=19506679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98102168A Expired - Lifetime CN1110972C (zh) | 1997-05-22 | 1998-05-21 | 在码分多址移动通信***中减少基站之间连续硬切换的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6301234B1 (zh) |
KR (1) | KR100240451B1 (zh) |
CN (1) | CN1110972C (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6442389B1 (en) * | 1999-06-21 | 2002-08-27 | Motorola, Inc. | Method and apparatus for optimizing parameters of a communication system |
US7333451B1 (en) * | 1999-10-18 | 2008-02-19 | Nortel Networks Limited | Buffer management for mobile internet protocol |
US6748239B1 (en) * | 1999-12-01 | 2004-06-08 | Ericsson Inc. | Methods and systems for communicating service codes over a PSTN using single stage dialing |
US6768908B1 (en) * | 2000-04-07 | 2004-07-27 | Motorola, Inc. | Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards |
US7260401B2 (en) * | 2000-12-05 | 2007-08-21 | Qualcomm Incorporated | Method and apparatus for flexible call recovery in a wireless communication system |
US7945266B2 (en) * | 2000-12-05 | 2011-05-17 | Qualcomm Incorporated | Method and apparatus for call recovery in a wireless communication system |
US7567781B2 (en) * | 2001-01-05 | 2009-07-28 | Qualcomm, Incorporated | Method and apparatus for power level adjustment in a wireless communication system |
US7099672B2 (en) * | 2002-02-06 | 2006-08-29 | Duke University | Methods and systems for improving utilization of traffic channels in a mobile communications network |
US7961682B2 (en) * | 2002-04-11 | 2011-06-14 | Qualcomm Incorporated | Handoff between base stations of different protocol revisions in a CDMA system |
JP4008301B2 (ja) * | 2002-08-01 | 2007-11-14 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局接続方法、無線ネットワーク制御装置及び移動局 |
JP2004260444A (ja) * | 2003-02-25 | 2004-09-16 | Ntt Docomo Inc | ハンドオーバ制御システム及びその方法並びに移動端末、ハンドオーバ制御装置 |
KR100735225B1 (ko) * | 2003-07-12 | 2007-07-03 | 삼성전자주식회사 | 이동통신 시스템에서 보코더 자원 관리 방법 |
CN1327739C (zh) * | 2004-04-16 | 2007-07-18 | 上海贝尔三星移动通信有限公司 | 一种码分多址移动通信***中的切换方法及其设备 |
KR100586236B1 (ko) * | 2004-12-21 | 2006-06-07 | 한국전자통신연구원 | 이동통신 망에서의 단말기별 핸드오버 제어 시스템 및 그방법 |
US8489145B2 (en) * | 2005-04-26 | 2013-07-16 | Mitsubishi Electric Corporation | Radio base station and base station control apparatus |
JP5059023B2 (ja) * | 2005-12-09 | 2012-10-24 | 韓國電子通信研究院 | 移動***置追跡プラットフォームの通信負荷減少システムおよびその方法 |
KR101417028B1 (ko) * | 2007-11-29 | 2014-07-08 | 엘지전자 주식회사 | 이벤트 발생에 관한 측정보고 메시지의 전송방법 |
US8903413B2 (en) * | 2009-03-20 | 2014-12-02 | Qualcomm Incorporated | Hybrid cell management in wireless networks |
CN101631346B (zh) * | 2009-06-05 | 2012-06-20 | 西安电子科技大学 | 基于信号强度和负载估计的区间切换方法 |
KR101147023B1 (ko) * | 2010-10-25 | 2012-05-17 | 콘텔라 주식회사 | 펨토셀 시스템 및 그 핸드오버 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
AU681621B2 (en) * | 1994-01-27 | 1997-09-04 | Nokia Telecommunications Oy | Semi-hard handoff in a cellular telecommunications system |
KR970008171B1 (ko) * | 1994-12-15 | 1997-05-21 | 재단법인 한국전자통신연구소 | 코드분할 다중접속 셀룰러 시스템에서의 트래픽 채널 할당 방법 |
JP3274337B2 (ja) * | 1995-12-27 | 2002-04-15 | 株式会社東芝 | Cdmaセルラ無線システム |
JP2803720B2 (ja) * | 1996-04-10 | 1998-09-24 | 日本電気株式会社 | Cdma移動通信システム用ハンドオフ制御方式 |
US5937019A (en) * | 1996-08-07 | 1999-08-10 | Qualcomm Incorporated | Method and apparatus for reliable intersystem handoff in a CDMA system |
-
1997
- 1997-05-22 KR KR1019970019970A patent/KR100240451B1/ko not_active IP Right Cessation
-
1998
- 1998-05-14 US US09/078,578 patent/US6301234B1/en not_active Expired - Lifetime
- 1998-05-21 CN CN98102168A patent/CN1110972C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1200635A (zh) | 1998-12-02 |
KR100240451B1 (ko) | 2000-01-15 |
KR19980084251A (ko) | 1998-12-05 |
US6301234B1 (en) | 2001-10-09 |
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C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LG ELECTRONICS INC. Free format text: FORMER OWNER: LG INFORMATION + COMMUNICATIONS, LTD. Effective date: 20140526 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140526 Address after: Seoul, South Kerean Patentee after: LG Electronics Inc. Address before: Seoul, South Kerean Patentee before: LG Information & Communications, Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: AOPU DISI CELLULAR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS INC. Effective date: 20150106 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150106 Address after: American Texas Patentee after: Ao Pudisi cellular technology Co., Ltd Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
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CX01 | Expiry of patent term |
Granted publication date: 20030604 |
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CX01 | Expiry of patent term |