JP5577258B2 - 信号電力測定方法および装置 - Google Patents
信号電力測定方法および装置 Download PDFInfo
- Publication number
- JP5577258B2 JP5577258B2 JP2010544672A JP2010544672A JP5577258B2 JP 5577258 B2 JP5577258 B2 JP 5577258B2 JP 2010544672 A JP2010544672 A JP 2010544672A JP 2010544672 A JP2010544672 A JP 2010544672A JP 5577258 B2 JP5577258 B2 JP 5577258B2
- Authority
- JP
- Japan
- Prior art keywords
- power
- signal
- power measurement
- received
- channel
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 92
- 238000005259 measurement Methods 0.000 claims description 58
- 230000001427 coherent effect Effects 0.000 claims description 11
- 238000012935 Averaging Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 2
- 238000000691 measurement method Methods 0.000 description 24
- 238000004891 communication Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000010267 cellular communication Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 2
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- 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
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- 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) or DMT
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2508308P | 2008-01-31 | 2008-01-31 | |
| US61/025,083 | 2008-01-31 | ||
| US12/143,975 US8498599B2 (en) | 2008-01-31 | 2008-06-23 | Signal power measurement methods and apparatus |
| US12/143,975 | 2008-06-23 | ||
| PCT/EP2009/050833 WO2009095368A1 (en) | 2008-01-31 | 2009-01-26 | Signal power measurement methods and apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011514707A JP2011514707A (ja) | 2011-05-06 |
| JP2011514707A5 JP2011514707A5 (enExample) | 2012-03-01 |
| JP5577258B2 true JP5577258B2 (ja) | 2014-08-20 |
Family
ID=40548624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010544672A Expired - Fee Related JP5577258B2 (ja) | 2008-01-31 | 2009-01-26 | 信号電力測定方法および装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8498599B2 (enExample) |
| EP (2) | EP2248286B1 (enExample) |
| JP (1) | JP5577258B2 (enExample) |
| MX (1) | MX2010007890A (enExample) |
| WO (1) | WO2009095368A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9001791B2 (en) | 2008-01-31 | 2015-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Detection of time division duplex downlink/uplink configuration |
| US8706068B2 (en) * | 2008-06-23 | 2014-04-22 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive signal power measurement methods and apparatus |
| US8942696B2 (en) * | 2008-11-03 | 2015-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements for performing cell measurements in a cellular communication system having multiple antenna ports |
| US8385833B2 (en) * | 2009-04-30 | 2013-02-26 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive idle mode measurement methods and apparatus |
| CN102143505B (zh) * | 2010-02-03 | 2013-10-02 | 华为技术有限公司 | 聚合载波小区测量的方法、装置及系统 |
| JP2012175641A (ja) * | 2011-02-24 | 2012-09-10 | Nec Casio Mobile Communications Ltd | 信号受信電力推定装置および方法 |
| US9185614B2 (en) * | 2011-11-10 | 2015-11-10 | Qualcomm Incorporated | Computation of measurement metrics for wireless networks |
| EP2787662B1 (en) | 2013-04-05 | 2018-02-28 | Telefonaktiebolaget LM Ericsson (publ) | Antenna port detection |
| US9924517B2 (en) | 2013-09-25 | 2018-03-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio resource management measurements in dense network scenarios |
| US9445326B2 (en) * | 2013-12-17 | 2016-09-13 | Mbit Wireless, Inc. | Method and apparatus for improved user experience in wireless communication terminals |
| US11910255B2 (en) * | 2018-09-29 | 2024-02-20 | Qualcomm Incorporated | Beam measurement for a cell subset |
| IT201900002785A1 (it) * | 2019-02-26 | 2020-08-26 | Teko Telecom S R L | Stazione radio base e processo di telecomunicazione wireless per scenari ad alta mobilita' |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564090A (en) * | 1993-09-09 | 1996-10-08 | Lockheed Martin Ims Corporation | Method and apparatus for dynamically adjusting receiver squelch threshold |
| US5778030A (en) * | 1996-03-15 | 1998-07-07 | Motorola, Inc. | Method and apparatus for power control in a communication system |
| GB2355366B (en) | 1999-10-11 | 2003-08-20 | Ericsson Telefon Ab L M | Radio transceiver |
| US7317751B2 (en) * | 2001-04-24 | 2008-01-08 | Nokia Corporation | Method and device for estimating SIR of a signal |
| US7843887B2 (en) * | 2004-11-02 | 2010-11-30 | Panasonic Corporation | Mobile station device and communication partner selection method |
| US7773681B2 (en) * | 2005-08-05 | 2010-08-10 | Interdigital Technology Corporation | Method and apparatus for estimating signal-to-noise ratio, noise power, and signal power |
| US8396141B2 (en) | 2005-11-29 | 2013-03-12 | Telefonaktiebolaget L M Ericsson (Publ) | Efficient cell selection |
| JP4942741B2 (ja) * | 2006-04-14 | 2012-05-30 | シャープ株式会社 | 送信機、受信機および無線送信方法 |
| US7907673B2 (en) | 2006-10-26 | 2011-03-15 | Telefonaktiebolaget L M Ericsson (Publ) | Robust and low-complexity combined signal power estimation |
| KR101241908B1 (ko) * | 2007-01-30 | 2013-03-12 | 엘지전자 주식회사 | 수신 채널 환경에 따른 재전송 방법 및 이를 위한 송신기,귀환 정보 생성 방법 및 장치 |
| US8706068B2 (en) | 2008-06-23 | 2014-04-22 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive signal power measurement methods and apparatus |
| JP5488016B2 (ja) * | 2009-03-30 | 2014-05-14 | 富士通株式会社 | 無線通信方法、無線通信システム及び無線通信装置 |
| US8385833B2 (en) | 2009-04-30 | 2013-02-26 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive idle mode measurement methods and apparatus |
-
2008
- 2008-06-23 US US12/143,975 patent/US8498599B2/en active Active
-
2009
- 2009-01-26 MX MX2010007890A patent/MX2010007890A/es active IP Right Grant
- 2009-01-26 EP EP09706658.3A patent/EP2248286B1/en active Active
- 2009-01-26 EP EP16192589.6A patent/EP3136626B1/en active Active
- 2009-01-26 WO PCT/EP2009/050833 patent/WO2009095368A1/en not_active Ceased
- 2009-01-26 JP JP2010544672A patent/JP5577258B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8498599B2 (en) | 2013-07-30 |
| EP3136626B1 (en) | 2019-07-03 |
| EP3136626A1 (en) | 2017-03-01 |
| EP2248286B1 (en) | 2016-11-23 |
| WO2009095368A1 (en) | 2009-08-06 |
| MX2010007890A (es) | 2010-08-09 |
| EP2248286A1 (en) | 2010-11-10 |
| JP2011514707A (ja) | 2011-05-06 |
| US20090197555A1 (en) | 2009-08-06 |
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| HK1170856B (en) | Signal measurements based on sync signals |
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