BR9913465B1 - Controle de relação de potência em canais i/q em um sistema de transmissão de rádio - Google Patents
Controle de relação de potência em canais i/q em um sistema de transmissão de rádio Download PDFInfo
- Publication number
- BR9913465B1 BR9913465B1 BRPI9913465-9A BR9913465A BR9913465B1 BR 9913465 B1 BR9913465 B1 BR 9913465B1 BR 9913465 A BR9913465 A BR 9913465A BR 9913465 B1 BR9913465 B1 BR 9913465B1
- Authority
- BR
- Brazil
- Prior art keywords
- channel
- gain
- digital data
- gain signal
- value
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title description 10
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 9
- 238000013139 quantization Methods 0.000 abstract description 16
- 108091006146 Channels Proteins 0.000 description 33
- 238000012546 transfer Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- 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]
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3089—Control of digital or coded signals
-
- 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
-
- 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
- H04W52/26—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. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Control Of Amplification And Gain Control (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
- Eye Examination Apparatus (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/140470 | 1998-08-26 | ||
| US09/140,470 US6337876B1 (en) | 1998-08-26 | 1998-08-26 | Control of power ratios for in-phase and quadrature channels in a communications system |
| PCT/SE1999/001429 WO2000013312A1 (en) | 1998-08-26 | 1999-08-23 | Control of power ratios for in-phase and quadrature channels in a communications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR9913465A BR9913465A (pt) | 2001-06-05 |
| BR9913465B1 true BR9913465B1 (pt) | 2014-11-25 |
Family
ID=22491371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI9913465-9A BR9913465B1 (pt) | 1998-08-26 | 1999-08-23 | Controle de relação de potência em canais i/q em um sistema de transmissão de rádio |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6337876B1 (enExample) |
| EP (2) | EP1968189B1 (enExample) |
| JP (1) | JP3575751B2 (enExample) |
| KR (1) | KR100647764B1 (enExample) |
| CN (1) | CN1223081C (enExample) |
| AT (1) | ATE401695T1 (enExample) |
| AU (1) | AU754187B2 (enExample) |
| BR (1) | BR9913465B1 (enExample) |
| DE (1) | DE69939119D1 (enExample) |
| DK (1) | DK1968189T3 (enExample) |
| EE (1) | EE200100114A (enExample) |
| ES (1) | ES2439949T3 (enExample) |
| HK (1) | HK1040578B (enExample) |
| IL (1) | IL141131A (enExample) |
| MY (1) | MY119865A (enExample) |
| WO (1) | WO2000013312A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6337876B1 (en) * | 1998-08-26 | 2002-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Control of power ratios for in-phase and quadrature channels in a communications system |
| EP1101292B1 (en) * | 1999-05-26 | 2010-01-13 | Koninklijke Philips Electronics N.V. | Closed loop power control in a radio communication system |
| JP3688166B2 (ja) * | 1999-11-26 | 2005-08-24 | シャープ株式会社 | Ｃｄｍａ変調方法及びその装置 |
| KR20020051098A (ko) * | 2000-12-22 | 2002-06-28 | 구자홍 | 디지털 송신 이득 조절기를 갖는 ｃｄｍａ 송신기 |
| KR100515416B1 (ko) * | 2002-12-05 | 2005-09-15 | 엘지전자 주식회사 | 이동통신 시스템에서의 공통전력제어채널 제어 방법 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535299A (en) | 1983-06-14 | 1985-08-13 | Texas Instruments Incorporated | Compound floating point amplifier |
| US5544156A (en) * | 1994-04-29 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Direct sequence CDMA coherent uplink detector |
| US5784402A (en) | 1995-01-09 | 1998-07-21 | Kamilo Feher | FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA |
| US5784366A (en) | 1996-08-27 | 1998-07-21 | Transsky Corp. | Wideband code-division-multiple access system and method |
| US6108369A (en) * | 1997-07-11 | 2000-08-22 | Telefonaktiebolaget Lm Ericsson | Channelization code allocation for radio communication systems |
| US6009091A (en) * | 1998-03-13 | 1999-12-28 | Motorola, Inc. | Method and apparatus for mobile station location within a communication system |
| DE69904107D1 (de) * | 1998-04-30 | 2003-01-09 | Roke Manor Research | Leistungsregelung und Übertragungsrate-Verfahren für ein Mobilfunkübertragungssystem |
| US6337876B1 (en) * | 1998-08-26 | 2002-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Control of power ratios for in-phase and quadrature channels in a communications system |
-
1998
- 1998-08-26 US US09/140,470 patent/US6337876B1/en not_active Expired - Lifetime
-
1999
- 1999-08-10 MY MYPI99003414A patent/MY119865A/en unknown
- 1999-08-23 JP JP2000568181A patent/JP3575751B2/ja not_active Expired - Lifetime
- 1999-08-23 KR KR1020017001809A patent/KR100647764B1/ko not_active Expired - Lifetime
- 1999-08-23 ES ES08011543.9T patent/ES2439949T3/es not_active Expired - Lifetime
- 1999-08-23 AT AT99946500T patent/ATE401695T1/de not_active IP Right Cessation
- 1999-08-23 AU AU58899/99A patent/AU754187B2/en not_active Expired
- 1999-08-23 EP EP08011543.9A patent/EP1968189B1/en not_active Expired - Lifetime
- 1999-08-23 EE EEP200100114A patent/EE200100114A/xx unknown
- 1999-08-23 HK HK02102166.2A patent/HK1040578B/zh not_active IP Right Cessation
- 1999-08-23 DK DK08011543.9T patent/DK1968189T3/da active
- 1999-08-23 IL IL14113199A patent/IL141131A/xx not_active IP Right Cessation
- 1999-08-23 EP EP99946500A patent/EP1108285B1/en not_active Expired - Lifetime
- 1999-08-23 WO PCT/SE1999/001429 patent/WO2000013312A1/en not_active Ceased
- 1999-08-23 CN CNB998101087A patent/CN1223081C/zh not_active Expired - Lifetime
- 1999-08-23 DE DE69939119T patent/DE69939119D1/de not_active Expired - Lifetime
- 1999-08-23 BR BRPI9913465-9A patent/BR9913465B1/pt active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| MY119865A (en) | 2005-07-29 |
| EP1968189B1 (en) | 2013-11-06 |
| HK1040578B (zh) | 2006-07-14 |
| HK1040578A1 (en) | 2002-06-14 |
| BR9913465A (pt) | 2001-06-05 |
| EP1968189A2 (en) | 2008-09-10 |
| KR100647764B1 (ko) | 2006-11-23 |
| EE200100114A (et) | 2002-06-17 |
| EP1108285B1 (en) | 2008-07-16 |
| CN1315075A (zh) | 2001-09-26 |
| EP1108285A1 (en) | 2001-06-20 |
| KR20010072418A (ko) | 2001-07-31 |
| DE69939119D1 (de) | 2008-08-28 |
| WO2000013312A1 (en) | 2000-03-09 |
| AU5889999A (en) | 2000-03-21 |
| ES2439949T3 (es) | 2014-01-27 |
| CN1223081C (zh) | 2005-10-12 |
| JP3575751B2 (ja) | 2004-10-13 |
| DK1968189T3 (da) | 2014-01-20 |
| US6337876B1 (en) | 2002-01-08 |
| EP1968189A3 (en) | 2009-12-02 |
| ATE401695T1 (de) | 2008-08-15 |
| AU754187B2 (en) | 2002-11-07 |
| JP2002524901A (ja) | 2002-08-06 |
| IL141131A (en) | 2005-08-31 |
| IL141131A0 (en) | 2002-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B15K | Others concerning applications: alteration of classification |
Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H03G 3/20 , H04B 1/707 Ipc: H03G 3/20 (2006.01), H04W 52/52 (2009.01), H04B 1/ |
|
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 25/11/2014, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B25A | Requested transfer of rights approved | ||
| B25A | Requested transfer of rights approved |