CN1630997A - 扩频通信***中对前向功率控制Eb/Nt估计的方法和装置 - Google Patents
扩频通信***中对前向功率控制Eb/Nt估计的方法和装置 Download PDFInfo
- Publication number
- CN1630997A CN1630997A CNA018185487A CN01818548A CN1630997A CN 1630997 A CN1630997 A CN 1630997A CN A018185487 A CNA018185487 A CN A018185487A CN 01818548 A CN01818548 A CN 01818548A CN 1630997 A CN1630997 A CN 1630997A
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- CN
- China
- Prior art keywords
- power control
- channel
- pilot
- noise density
- estimation
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 238000001228 spectrum Methods 0.000 title claims abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000005562 fading Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000007792 addition Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 101100173542 Caenorhabditis elegans fer-1 gene Proteins 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UJHBVMHOBZBWMX-UHFFFAOYSA-N ferrostatin-1 Chemical compound NC1=CC(C(=O)OCC)=CC=C1NC1CCCCC1 UJHBVMHOBZBWMX-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000000644 propagated effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
-
- 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)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/708,325 | 2000-11-08 | ||
US09/708,325 US6542483B1 (en) | 2000-11-08 | 2000-11-08 | Method and an apparatus for Eb/Nt estimation for forward power control in spread spectrum communications systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1630997A true CN1630997A (zh) | 2005-06-22 |
CN100459479C CN100459479C (zh) | 2009-02-04 |
Family
ID=24845342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018185487A Expired - Fee Related CN100459479C (zh) | 2000-11-08 | 2001-11-06 | 扩频通信***中对前向功率控制Eb/Nt估计的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6542483B1 (zh) |
KR (1) | KR100578435B1 (zh) |
CN (1) | CN100459479C (zh) |
AU (1) | AU3513602A (zh) |
DE (1) | DE10196851B4 (zh) |
GB (1) | GB2384401B (zh) |
WO (1) | WO2002037929A2 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6898192B2 (en) * | 2000-12-29 | 2005-05-24 | Nortel Networks Limited | Method and apparatus for improving fast forward link power control during variable rate operation of CDMA systems |
KR100428709B1 (ko) * | 2001-08-17 | 2004-04-27 | 한국전자통신연구원 | 다중 경로 정보 피드백을 이용한 순방향 빔형성 장치 및그 방법 |
US6963755B2 (en) * | 2002-01-09 | 2005-11-08 | Qualcomm, Incorporated | Method and apparatus for coherently combining power control commands to initialize communication |
US20040038656A1 (en) * | 2002-08-22 | 2004-02-26 | Mccall John H. | Method and apparatus for distortion reduction and optimizing current consumption via adjusting amplifier linearity |
US6859434B2 (en) * | 2002-10-01 | 2005-02-22 | Comsys Communication & Signal Processing Ltd. | Data transfer scheme in a communications system incorporating multiple processing elements |
KR20040040939A (ko) * | 2002-11-08 | 2004-05-13 | 에스케이 텔레콤주식회사 | 고객정보 보호방법 |
US7532864B2 (en) * | 2003-02-17 | 2009-05-12 | Panasonic Corporation | Noise power estimation method and noise power estimation device |
US7366137B2 (en) * | 2003-05-31 | 2008-04-29 | Qualcomm Incorporated | Signal-to-noise estimation in wireless communication devices with receive diversity |
US7403557B2 (en) * | 2004-07-27 | 2008-07-22 | Nokia Corporation | Apparatus and method for hybrid traffic and pilot signal quality determination of finger lock status of rake receiver correlators |
US7532664B2 (en) * | 2004-08-02 | 2009-05-12 | Nokia Corporation | Method and apparatus to estimate signal to interference plus noise ratio (SINR) in a multiple antenna receiver |
KR100645511B1 (ko) * | 2004-08-27 | 2006-11-15 | 삼성전자주식회사 | 이동 통신 시스템에서 멀티 캐스트를 위한 공유 순방향링크 데이터 채널의 전력/전송율 제어 방법 |
WO2009145505A2 (en) * | 2008-05-30 | 2009-12-03 | Korea Electronics Technology Institute | The demodulator for simultaneous multi-node receiving and the method thereof |
JP2016127436A (ja) * | 2015-01-05 | 2016-07-11 | 富士通株式会社 | 無線機器、及び、送信電力制御方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5619524A (en) * | 1994-10-04 | 1997-04-08 | Motorola, Inc. | Method and apparatus for coherent communication reception in a spread-spectrum communication system |
US5671221A (en) * | 1995-06-14 | 1997-09-23 | Sharp Microelectronics Technology, Inc. | Receiving method and apparatus for use in a spread-spectrum communication system |
US5737327A (en) * | 1996-03-29 | 1998-04-07 | Motorola, Inc. | Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system |
CA2224271C (en) * | 1996-04-12 | 2002-06-11 | Ntt Mobile Communications Network Inc. | Method and instrument for measuring receiving sir and transmission power controller |
US5767738A (en) * | 1996-10-21 | 1998-06-16 | Motorola, Inc. | Apparatus and method for demodulating a modulated signal |
US6154659A (en) * | 1997-12-24 | 2000-11-28 | Nortel Networks Limited | Fast forward link power control in a code division multiple access system |
-
2000
- 2000-11-08 US US09/708,325 patent/US6542483B1/en not_active Expired - Lifetime
-
2001
- 2001-11-06 KR KR1020037006370A patent/KR100578435B1/ko not_active IP Right Cessation
- 2001-11-06 DE DE10196851T patent/DE10196851B4/de not_active Expired - Fee Related
- 2001-11-06 CN CNB018185487A patent/CN100459479C/zh not_active Expired - Fee Related
- 2001-11-06 GB GB0308173A patent/GB2384401B/en not_active Expired - Fee Related
- 2001-11-06 WO PCT/US2001/044170 patent/WO2002037929A2/en active IP Right Grant
- 2001-11-06 AU AU3513602A patent/AU3513602A/xx active Pending
Also Published As
Publication number | Publication date |
---|---|
US6542483B1 (en) | 2003-04-01 |
DE10196851B4 (de) | 2010-04-08 |
WO2002037929A2 (en) | 2002-05-16 |
AU3513602A (en) | 2002-05-21 |
WO2002037929A3 (en) | 2002-07-04 |
KR20030093188A (ko) | 2003-12-06 |
DE10196851T5 (de) | 2004-07-08 |
CN100459479C (zh) | 2009-02-04 |
WO2002037929A9 (en) | 2003-01-09 |
GB2384401A (en) | 2003-07-23 |
KR100578435B1 (ko) | 2006-05-11 |
GB2384401B (en) | 2004-06-23 |
GB0308173D0 (en) | 2003-05-14 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110107 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110107 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160309 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20161106 |
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CF01 | Termination of patent right due to non-payment of annual fee |