CA2798930C - Handover with carrier aggregation - Google Patents
Handover with carrier aggregation Download PDFInfo
- Publication number
- CA2798930C CA2798930C CA2798930A CA2798930A CA2798930C CA 2798930 C CA2798930 C CA 2798930C CA 2798930 A CA2798930 A CA 2798930A CA 2798930 A CA2798930 A CA 2798930A CA 2798930 C CA2798930 C CA 2798930C
- Authority
- CA
- Canada
- Prior art keywords
- base station
- handover
- information
- terminal
- target base
- 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.)
- Active
Links
- 230000002776 aggregation Effects 0.000 title abstract description 26
- 238000004220 aggregation Methods 0.000 title abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 66
- 238000005259 measurement Methods 0.000 claims description 322
- 230000004913 activation Effects 0.000 claims description 8
- 239000000969 carrier Substances 0.000 abstract description 40
- 238000004891 communication Methods 0.000 abstract description 21
- 230000006854 communication Effects 0.000 abstract description 21
- 230000008901 benefit Effects 0.000 description 19
- 230000011664 signaling Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 230000001419 dependent effect Effects 0.000 description 9
- 238000009795 derivation Methods 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
-
- 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
- H04W72/00—Local resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1007869.9 | 2010-05-11 | ||
GB1007869.9A GB2479601B (en) | 2010-04-12 | 2010-05-11 | Handover with carrier aggregation |
PCT/KR2011/003115 WO2011142544A2 (en) | 2010-05-11 | 2011-04-27 | Handover with carrier aggregation |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2798930A1 CA2798930A1 (en) | 2011-11-17 |
CA2798930C true CA2798930C (en) | 2020-01-21 |
Family
ID=44924757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2798930A Active CA2798930C (en) | 2010-05-11 | 2011-04-27 | Handover with carrier aggregation |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2569979A4 (ko) |
JP (1) | JP2013526794A (ko) |
KR (1) | KR101783289B1 (ko) |
CN (1) | CN102948214B (ko) |
AU (1) | AU2011251152B2 (ko) |
CA (1) | CA2798930C (ko) |
RU (1) | RU2576385C2 (ko) |
WO (1) | WO2011142544A2 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2479534B (en) | 2010-04-12 | 2014-11-12 | Samsung Electronics Co Ltd | Handover with carrier aggregation |
EP2878155B1 (en) | 2012-07-24 | 2017-08-23 | Empire Technology Development LLC | Cell switching strategy for an lte-advanced system based on carrier aggregation technology |
CN102917396B (zh) * | 2012-09-17 | 2016-01-20 | 电信科学技术研究院 | 一种基于载波聚合***的测量上报方法和设备 |
WO2014051333A1 (en) * | 2012-09-25 | 2014-04-03 | Lg Electronics Inc. | Method and apparatus for supporting a control plane and a user plane in a wireless communication system |
CN103338518B (zh) | 2012-12-31 | 2016-12-28 | 上海华为技术有限公司 | 一种发送rrc信令的方法、基站和*** |
EP3968679B1 (en) * | 2013-09-11 | 2024-06-26 | Samsung Electronics Co., Ltd. | Method and system to enable secure communication for inter-enb transmission |
US9386460B2 (en) * | 2013-12-02 | 2016-07-05 | Apple Inc. | Systems and methods for carrier aggregation deployment and organization in unlicensed bands |
US9603074B2 (en) * | 2013-12-16 | 2017-03-21 | Apple Inc. | Systems and methods for carrier channel selection in carrier aggregation enabled networks |
KR102170402B1 (ko) | 2014-01-29 | 2020-10-27 | 삼성전자 주식회사 | 이중 연결을 지원하는 무선 통신 시스템에서 단말의 핸드 오버 수행 방법 및 장치 |
CN105991255B (zh) * | 2015-01-28 | 2019-04-23 | ***通信集团广东有限公司 | 一种载波聚合的配置方法及装置 |
US10484979B2 (en) * | 2015-02-27 | 2019-11-19 | Qualcomm Incorporated | Fast enhanced component carrier activation |
US11039340B2 (en) | 2016-03-04 | 2021-06-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Inter-frequency load balancing |
EP3965327A1 (en) * | 2016-10-28 | 2022-03-09 | Huawei Technologies Co., Ltd. | Switching from one ofdm mode having a certain numerology to another |
CN108243450B (zh) * | 2016-12-27 | 2021-07-16 | ***通信集团浙江有限公司 | 一种网络切换方法和装置 |
EP3735032A1 (en) * | 2019-05-02 | 2020-11-04 | Comcast Cable Communications, LLC | Bandwidth part operation during handover procedure |
CN112203331B (zh) * | 2019-07-08 | 2021-11-16 | 大唐移动通信设备有限公司 | 一种小区切换方法及装置 |
US20220272711A1 (en) * | 2019-07-10 | 2022-08-25 | Nokia Solutions And Networks Oy | Method and apparatus for carrier aggregation optimization |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002324084A1 (en) * | 2002-09-10 | 2004-04-30 | Nokia Corporation | Measurements in communications systems |
US7212821B2 (en) * | 2003-12-05 | 2007-05-01 | Qualcomm Incorporated | Methods and apparatus for performing handoffs in a multi-carrier wireless communications system |
US7453912B2 (en) * | 2004-04-15 | 2008-11-18 | Qualcomm Incorporated | Methods and apparatus for selecting between multiple carriers based on signal energy measurements |
KR100696401B1 (ko) * | 2004-11-29 | 2007-03-19 | 연세대학교 산학협력단 | 다중 반송파를 이용한 이동통신 시스템에서의 부반송파별핸드오버 방법 및 시스템 |
JP4762680B2 (ja) * | 2005-11-04 | 2011-08-31 | 株式会社エヌ・ティ・ティ・ドコモ | キャリア方法通知方法、周辺セル測定方法、基地局装置および移動局装置 |
US8620328B2 (en) * | 2006-03-21 | 2013-12-31 | Qualcomm Incorporated | Handover procedures in a wireless communications system |
CN101547486B (zh) * | 2008-03-24 | 2011-02-02 | 华为技术有限公司 | 切换处理的方法、***和装置 |
US8676208B2 (en) * | 2008-06-11 | 2014-03-18 | Mediatek Inc. | Scanning and handover operation in multi-carrier wireless communications systems |
CN102356667B (zh) * | 2009-03-16 | 2015-06-10 | 松下电器(美国)知识产权公司 | 无线通信***、终端装置、基站装置及无线通信方法 |
US20130022026A1 (en) * | 2010-02-15 | 2013-01-24 | Ntt Docomo, Inc. | Radio base station and communication control method |
WO2011122045A1 (ja) * | 2010-03-31 | 2011-10-06 | パナソニック株式会社 | 無線通信基地局、無線通信装置及び無線通信システム |
-
2011
- 2011-04-27 EP EP11780761.0A patent/EP2569979A4/en not_active Ceased
- 2011-04-27 KR KR1020127029577A patent/KR101783289B1/ko active IP Right Grant
- 2011-04-27 JP JP2013510015A patent/JP2013526794A/ja active Pending
- 2011-04-27 CN CN201180023648.5A patent/CN102948214B/zh active Active
- 2011-04-27 AU AU2011251152A patent/AU2011251152B2/en active Active
- 2011-04-27 CA CA2798930A patent/CA2798930C/en active Active
- 2011-04-27 WO PCT/KR2011/003115 patent/WO2011142544A2/en active Application Filing
- 2011-04-27 RU RU2012147810/07A patent/RU2576385C2/ru active
Also Published As
Publication number | Publication date |
---|---|
JP2013526794A (ja) | 2013-06-24 |
WO2011142544A3 (en) | 2012-03-01 |
CA2798930A1 (en) | 2011-11-17 |
KR20130094707A (ko) | 2013-08-26 |
RU2012147810A (ru) | 2014-05-20 |
CN102948214A (zh) | 2013-02-27 |
CN102948214B (zh) | 2016-11-23 |
RU2576385C2 (ru) | 2016-03-10 |
AU2011251152A1 (en) | 2012-11-29 |
KR101783289B1 (ko) | 2017-09-29 |
EP2569979A4 (en) | 2017-09-13 |
EP2569979A2 (en) | 2013-03-20 |
WO2011142544A2 (en) | 2011-11-17 |
AU2011251152B2 (en) | 2015-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20160224 |