TW200939662A - Speed estimation and power control based on CQI reports - Google Patents
Speed estimation and power control based on CQI reports Download PDFInfo
- Publication number
- TW200939662A TW200939662A TW097151018A TW97151018A TW200939662A TW 200939662 A TW200939662 A TW 200939662A TW 097151018 A TW097151018 A TW 097151018A TW 97151018 A TW97151018 A TW 97151018A TW 200939662 A TW200939662 A TW 200939662A
- Authority
- TW
- Taiwan
- Prior art keywords
- access terminal
- report
- cqi report
- cqi
- speed
- Prior art date
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
- H04W52/282—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission taking into account the speed of the mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1751607P | 2007-12-28 | 2007-12-28 | |
| US12/259,554 US8195099B2 (en) | 2007-12-28 | 2008-10-28 | Speed estimation and power control based on CQI reports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200939662A true TW200939662A (en) | 2009-09-16 |
Family
ID=40799075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097151018A TW200939662A (en) | 2007-12-28 | 2008-12-26 | Speed estimation and power control based on CQI reports |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8195099B2 (enExample) |
| EP (1) | EP2232926A2 (enExample) |
| JP (2) | JP5437268B2 (enExample) |
| KR (1) | KR101223135B1 (enExample) |
| CN (1) | CN101911791B (enExample) |
| TW (1) | TW200939662A (enExample) |
| WO (1) | WO2009086282A2 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8165075B2 (en) * | 2007-01-12 | 2012-04-24 | Samsung Electronics Co., Ltd | Method and apparatus for transmitting/receiving feedback information in mobile telecommunication using multiple input multiple output |
| GB2450167B (en) * | 2007-06-18 | 2009-07-29 | Nec Corp | Discontinuous Reception In A Mobile Radio Communications Network |
| GB2452481B (en) * | 2007-09-01 | 2012-05-02 | Jds Uniphase Corp | Method of categorising speed of a terminal, system and apparatus therefor |
| KR100956312B1 (ko) * | 2007-12-04 | 2010-05-10 | 한국전자통신연구원 | 이동통신 시스템에서의 전력제어 장치 및 그 방법 |
| JP5202544B2 (ja) * | 2008-01-08 | 2013-06-05 | 株式会社エヌ・ティ・ティ・ドコモ | 上りリンクでチャネル品質情報を報告する方法、並びにその方法に好適な基地局およびユーザ装置 |
| US7978623B1 (en) * | 2008-03-22 | 2011-07-12 | Freescale Semiconductor, Inc. | Channel rank updates in multiple-input multiple-output communication systems |
| WO2010056161A1 (en) * | 2008-11-12 | 2010-05-20 | Telefonaktiebolaget L M Ericsson (Publ) | Link adaptation systems and methods |
| JP2011049829A (ja) * | 2009-08-27 | 2011-03-10 | Kyocera Corp | 無線基地局、無線端末、無線中継局、無線基地局システム、無線通信システムおよび無線通信方法 |
| CN102055547B (zh) * | 2009-10-30 | 2014-04-02 | 华为技术有限公司 | 获取信道状态信息的方法和设备 |
| US8804586B2 (en) * | 2010-01-11 | 2014-08-12 | Blackberry Limited | Control channel interference management and extended PDCCH for heterogeneous network |
| CN102792717B (zh) * | 2010-01-11 | 2016-08-03 | 黑莓有限公司 | 针对异构网络的控制信道干扰管理 |
| US8792933B2 (en) * | 2010-03-10 | 2014-07-29 | Fujitsu Limited | Method and apparatus for deploying a wireless network |
| US20110223958A1 (en) * | 2010-03-10 | 2011-09-15 | Fujitsu Limited | System and Method for Implementing Power Distribution |
| US9077413B2 (en) * | 2010-06-15 | 2015-07-07 | Futurewei Technologies, Inc. | System and method for transparent coordinated beam-forming |
| US8521199B2 (en) | 2010-06-15 | 2013-08-27 | Futurewei Technologies, Inc. | System and method for transparent coordinated beam-forming |
| US8804671B2 (en) * | 2010-07-15 | 2014-08-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for determining UE mobility status |
| US9398602B2 (en) | 2010-09-22 | 2016-07-19 | Qualcomm Incorporated | Multi-radio coexistence |
| US8965444B2 (en) * | 2011-02-09 | 2015-02-24 | Qualcomm Incorporated | Adjusting a signal-to-interference ratio target based on a signal characteristic |
| US20130022142A1 (en) * | 2011-07-20 | 2013-01-24 | Sairamesh Nammi | Base station and method for implementing an adaptive closed-loop mimo and open-loop mimo technique in a wireless communication system |
| US9241298B2 (en) * | 2011-11-18 | 2016-01-19 | Qualcomm Incorporated | Devices and methods for facilitating access probe sequences |
| US9730164B2 (en) | 2012-01-30 | 2017-08-08 | Qualcomm, Incorporated | Power control management in uplink (UL) coordinated multipoint (CoMP) transmission |
| JP5870788B2 (ja) * | 2012-03-19 | 2016-03-01 | 富士通株式会社 | 移動無線機および判定方法 |
| US9363749B2 (en) * | 2012-09-13 | 2016-06-07 | Qualcomm Incorporated | Dynamic power scaling of digital modems |
| US9894675B2 (en) | 2013-09-19 | 2018-02-13 | Blackberry Limited | Method and device for wireless network coexistence |
| US10778395B2 (en) * | 2013-09-26 | 2020-09-15 | Lg Electronics Inc. | Method and apparatus for reporting feedback information in wireless communication system |
| US9762456B2 (en) | 2015-03-17 | 2017-09-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Access node, control node, and various methods for adapting a reporting period for a user equipment |
| DE102015009779B4 (de) * | 2015-07-27 | 2021-08-12 | Apple Inc. | Leistungsoptimierung für Kanalzustandsmeldungen in einem drahtlosen Kommunikationsnetz |
| CN105790866B (zh) * | 2016-03-31 | 2018-07-24 | 中国联合网络通信集团有限公司 | 基站分级方法及装置 |
| US9769762B1 (en) * | 2016-09-09 | 2017-09-19 | Ford Global Technologies, Inc. | Adaptive transmit power control for vehicle communication |
| US10411795B2 (en) * | 2017-03-14 | 2019-09-10 | Qualcomm Incorporated | Coverage enhancement mode switching for wireless communications using shared radio frequency spectrum |
| US11711709B2 (en) | 2018-08-23 | 2023-07-25 | Tracfone Wireless, Inc. | System and process for using cellular connectivity analysis to determine optimal wireless equipment and service for a geographical area |
| WO2025173956A1 (en) * | 2024-02-17 | 2025-08-21 | Samsung Electronics Co., Ltd. | System and method for channel estimation in physical layer processing |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07162361A (ja) * | 1993-12-10 | 1995-06-23 | Japan Radio Co Ltd | 適応等化器 |
| DE60117202D1 (de) * | 2001-09-03 | 2006-04-20 | St Microelectronics Nv | Verfahren und Gerät zur Geschwindigkeitsschätzung eines mobilen Endgeräts in einem drahtlosen Kommunikationssystem |
| KR100837351B1 (ko) | 2002-04-06 | 2008-06-12 | 엘지전자 주식회사 | 이동통신 시스템의 무선링크 파라미터 갱신 방법 |
| ES2279118T3 (es) * | 2002-06-27 | 2007-08-16 | Koninklijke Philips Electronics N.V. | Medicion de caracteristicas de canal en un sistema de comunicacion. |
| JP2004032640A (ja) * | 2002-06-28 | 2004-01-29 | Matsushita Electric Ind Co Ltd | 送信電力制御方法、通信端末装置及び基地局装置 |
| US9661519B2 (en) * | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
| JP4421935B2 (ja) * | 2004-04-30 | 2010-02-24 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局装置及び無線通信制御方法 |
| US20060099985A1 (en) * | 2004-11-09 | 2006-05-11 | Whinnett Nick W | Apparatus and method for radio transmission in a cellular communication system |
| CN1972164A (zh) * | 2005-11-24 | 2007-05-30 | 上海明波通信技术有限公司 | 一种无线信道质量指示选择的方法和装置 |
| US7773951B2 (en) | 2006-05-23 | 2010-08-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for generating channel quality information for wireless communication |
-
2008
- 2008-10-28 US US12/259,554 patent/US8195099B2/en not_active Expired - Fee Related
- 2008-12-22 WO PCT/US2008/087974 patent/WO2009086282A2/en not_active Ceased
- 2008-12-22 EP EP08868574A patent/EP2232926A2/en not_active Withdrawn
- 2008-12-22 KR KR1020107016819A patent/KR101223135B1/ko not_active Expired - Fee Related
- 2008-12-22 CN CN2008801232583A patent/CN101911791B/zh not_active Expired - Fee Related
- 2008-12-22 JP JP2010540834A patent/JP5437268B2/ja not_active Expired - Fee Related
- 2008-12-26 TW TW097151018A patent/TW200939662A/zh unknown
-
2013
- 2013-02-18 JP JP2013029079A patent/JP5847740B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013146083A (ja) | 2013-07-25 |
| KR20100106544A (ko) | 2010-10-01 |
| CN101911791A (zh) | 2010-12-08 |
| JP2011509574A (ja) | 2011-03-24 |
| EP2232926A2 (en) | 2010-09-29 |
| JP5847740B2 (ja) | 2016-01-27 |
| US20090170437A1 (en) | 2009-07-02 |
| US8195099B2 (en) | 2012-06-05 |
| WO2009086282A3 (en) | 2010-01-14 |
| CN101911791B (zh) | 2013-11-27 |
| WO2009086282A2 (en) | 2009-07-09 |
| KR101223135B1 (ko) | 2013-01-21 |
| JP5437268B2 (ja) | 2014-03-12 |
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