KR20000023199A - 송수신 장치 및 송신 전력 제어 방법 - Google Patents
송수신 장치 및 송신 전력 제어 방법 Download PDFInfo
- Publication number
- KR20000023199A KR20000023199A KR1019990039751A KR19990039751A KR20000023199A KR 20000023199 A KR20000023199 A KR 20000023199A KR 1019990039751 A KR1019990039751 A KR 1019990039751A KR 19990039751 A KR19990039751 A KR 19990039751A KR 20000023199 A KR20000023199 A KR 20000023199A
- Authority
- KR
- South Korea
- Prior art keywords
- transmission
- data
- power
- transmission power
- received
- Prior art date
Links
Classifications
-
- 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
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (6)
- 서로 다른 확산 부호에 의해 확산되어 병렬 송신된 복수의 신호를 역확산하는 역확산 수단과,역확산된 각 데이터의 수신 전력을 측정하는 수신 전력 측정 수단과,측정한 각 데이터의 수신 전력을 합성하는 수신 전력 합성 수단과,합성한 수신 전력에 근거하여 송신 전력을 제어하는 송신 전력 제어 수단을 포함하는 송수신 장치.
- 제 1 항에 있어서,상기 합성 수단은 측정한 각 데이터의 수신 전력에 가중치를 부여하여 가산하는 송수신 장치.
- 제 1 항에 있어서,상기 합성 수단은 측정한 각 데이터의 수신 신호의 레벨을 비교하여, 큰 쪽을 수신 신호 레벨로 하는 송수신 장치.
- 송수신 장치를 포함하는 통신 단말 장치에 있어서,상기 송수신 장치는 서로 다른 확산 부호에 의해 확산되어 병렬 송신된 복수의 신호를 역확산하는 역확산 수단과,역확산된 각 데이터의 수신 전력을 측정하는 수신 전력 측정 수단과,측정한 각 데이터의 수신 전력을 합성하는 수신 전력 합성 수단과,합성한 수신 전력에 근거하여 송신 전력을 제어하는 송신 전력 제어 수단을 포함하는 통신 단말 장치.
- 안테나의 수만큼 송신 데이터를 분배하는 데이터 분배 수단과,분배한 각 데이터를 서로 다른 확산 부호를 이용하여 확산하는 확산 수단과,확산한 각 데이터를 복수의 안테나로부터 병렬로 무선 송신하는 송신 수단을 포함하되,청구항 4에 기재된 통신 단말 장치와 무선 통신을 행하는 기지국 장치.
- 기지국 장치측에서 송신 안테나의 수만큼 분배한 송신 데이터를 서로 다른 확산 부호를 이용하여 확산한 후에 복수의 송신 안테나로부터 병렬로 무선 송신하고, 통신 단말 장치측에서 수신 데이터를 송신측과 동일한 확산 부호를 이용하여 역확산하고 수신 전력을 측정하여 합성하며, 합성한 수신 전력에 근거하여 송신 전력을 제어하는 송신 전력 제어 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP98-263416 | 1998-09-17 | ||
JP26341698A JP3321419B2 (ja) | 1998-09-17 | 1998-09-17 | 通信端末装置および無線通信方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000023199A true KR20000023199A (ko) | 2000-04-25 |
KR100314110B1 KR100314110B1 (ko) | 2001-11-17 |
Family
ID=17389199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990039751A KR100314110B1 (ko) | 1998-09-17 | 1999-09-16 | 송수신 장치 및 송신 전력 제어 방법 |
Country Status (8)
Country | Link |
---|---|
US (3) | US6522639B1 (ko) |
EP (3) | EP1089454B1 (ko) |
JP (1) | JP3321419B2 (ko) |
KR (1) | KR100314110B1 (ko) |
CN (1) | CN1126297C (ko) |
BR (1) | BRPI9904207B1 (ko) |
DE (3) | DE69913134T2 (ko) |
ES (3) | ES2212441T3 (ko) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7079523B2 (en) * | 2000-02-07 | 2006-07-18 | Ipr Licensing, Inc. | Maintenance link using active/standby request channels |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US7936728B2 (en) * | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US8175120B2 (en) * | 2000-02-07 | 2012-05-08 | Ipr Licensing, Inc. | Minimal maintenance link to support synchronization |
US6222832B1 (en) * | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US7394791B2 (en) * | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US8134980B2 (en) * | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7773566B2 (en) * | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US6128330A (en) | 1998-11-24 | 2000-10-03 | Linex Technology, Inc. | Efficient shadow reduction antenna system for spread spectrum |
US6977910B1 (en) * | 1998-12-31 | 2005-12-20 | Texas Instruments Incorporated | Power control with space time transmit diversity |
US6633552B1 (en) * | 1999-08-06 | 2003-10-14 | Qualcomm Incorporated | Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system |
JP3583343B2 (ja) * | 1999-11-29 | 2004-11-04 | 松下電器産業株式会社 | 通信端末装置、基地局装置および送信電力制御方法 |
AU4106101A (en) * | 2000-03-13 | 2001-09-24 | Matsushita Electric Industrial Co., Ltd. | Transmitting apparatus and gain compensating method |
KR20010107139A (ko) * | 2000-05-25 | 2001-12-07 | 박종섭 | 직교 전송 다이버시티를 적용한 이동통신 시스템의 순방향링크 전력제어장치 |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
US7551663B1 (en) | 2001-02-01 | 2009-06-23 | Ipr Licensing, Inc. | Use of correlation combination to achieve channel detection |
EP2479904B1 (en) | 2001-06-13 | 2017-02-15 | Intel Corporation | Apparatuses for transmittal of heartbeat signal at a lower level than heartbeat request |
US7046978B2 (en) * | 2002-02-08 | 2006-05-16 | Qualcomm, Inc. | Method and apparatus for transmit pre-correction in wireless communications |
JP2003249918A (ja) * | 2002-02-25 | 2003-09-05 | Matsushita Electric Ind Co Ltd | 受信装置および受信方法 |
CN100452674C (zh) * | 2002-09-30 | 2009-01-14 | Ut斯达康(中国)有限公司 | 码分多址系统中下行链路公共信道开环功率控制方法 |
JP3583414B2 (ja) | 2002-11-14 | 2004-11-04 | 松下電器産業株式会社 | Cdma送信装置およびcdma受信装置 |
JP4502952B2 (ja) | 2003-04-24 | 2010-07-14 | 日本電気株式会社 | 符号拡散を用いる無線伝送における雑音及び干渉電力を推定する無線送受信装置及び無線送受信方法 |
KR100741890B1 (ko) * | 2003-06-26 | 2007-07-23 | 엘지.필립스 엘시디 주식회사 | 횡전계 방식의 액정표시장치 및 그의 제조방법 |
JP4323985B2 (ja) * | 2003-08-07 | 2009-09-02 | パナソニック株式会社 | 無線送信装置及び無線送信方法 |
CN1943134B (zh) * | 2004-03-05 | 2011-08-24 | 高通股份有限公司 | 无线通信中的多天线接收分集控制 |
JP4704067B2 (ja) * | 2005-02-25 | 2011-06-15 | マツダ株式会社 | 車両のガラスガイド構造 |
EP1696503B1 (en) | 2005-02-28 | 2019-11-20 | BlackBerry Limited | Mobile wireless communications device with human interface diversity antenna and related method of operating such a device |
CN100355308C (zh) * | 2005-07-21 | 2007-12-12 | 上海交通大学 | 三扇区正交频分复用无线蜂窝网络中的频率复用方法 |
JP2009514310A (ja) * | 2005-10-28 | 2009-04-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 可変ダイバーシティ利得を有する多重アンテナ伝送 |
US20100195553A1 (en) * | 2008-03-18 | 2010-08-05 | Myers Theodore J | Controlling power in a spread spectrum system |
US8958460B2 (en) * | 2008-03-18 | 2015-02-17 | On-Ramp Wireless, Inc. | Forward error correction media access control system |
US8520721B2 (en) | 2008-03-18 | 2013-08-27 | On-Ramp Wireless, Inc. | RSSI measurement mechanism in the presence of pulsed jammers |
US8477830B2 (en) | 2008-03-18 | 2013-07-02 | On-Ramp Wireless, Inc. | Light monitoring system using a random phase multiple access system |
US8363699B2 (en) | 2009-03-20 | 2013-01-29 | On-Ramp Wireless, Inc. | Random timing offset determination |
DE102009022108B4 (de) * | 2009-05-20 | 2013-10-31 | Atmel Corp. | Schaltung und Verfahren zum Betrieb einer Schaltung eines Knotens eines Funknetzes |
JP5415308B2 (ja) * | 2010-01-26 | 2014-02-12 | 京セラ株式会社 | 基地局及び基地局での基準タイミングの調整方法 |
GB2508671B (en) | 2012-12-10 | 2015-03-11 | Broadcom Corp | Mobile communication |
KR102525770B1 (ko) * | 2016-06-15 | 2023-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 단말의 측위를 위한 장치 및 방법 |
JP2019169749A (ja) * | 2016-08-10 | 2019-10-03 | シャープ株式会社 | 送信装置及び通信方法 |
US20230093484A1 (en) * | 2021-09-23 | 2023-03-23 | Apple Inc. | Systems and methods for de-correlating coded signals in dual port transmissions |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI110043B (fi) * | 1993-09-20 | 2002-11-15 | Nokia Corp | Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema |
JP3302168B2 (ja) * | 1994-04-05 | 2002-07-15 | 株式会社東芝 | 移動無線通信システム |
JP3154462B2 (ja) | 1994-08-29 | 2001-04-09 | 日本電信電話株式会社 | 移動通信方式および移動局装置 |
US5873028A (en) * | 1994-10-24 | 1999-02-16 | Ntt Mobile Communications Network Inc. | Transmission power control apparatus and method in a mobile communication system |
JPH08195703A (ja) * | 1995-01-17 | 1996-07-30 | Toshiba Corp | 無線通信装置 |
JP2798012B2 (ja) * | 1995-07-14 | 1998-09-17 | 日本電気株式会社 | 基地局送信電力制御装置および方法 |
JP2785812B2 (ja) | 1995-07-19 | 1998-08-13 | 日本電気株式会社 | Fdd/cdma送受信システム |
EP0755127B1 (en) * | 1995-07-19 | 2003-08-27 | Nec Corporation | CDMA diversity transmission system |
JP2924730B2 (ja) * | 1995-09-13 | 1999-07-26 | 日本電気株式会社 | 信号受信方法 |
JP3070825B2 (ja) | 1995-10-04 | 2000-07-31 | 松下電器産業株式会社 | 移動体通信装置 |
JP3352593B2 (ja) * | 1996-05-22 | 2002-12-03 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムおよび移動通信システムにおけるソフトハンドオーバ中送信電力制御方法 |
JP3105786B2 (ja) * | 1996-06-13 | 2000-11-06 | 松下電器産業株式会社 | 移動体通信受信機 |
KR0181377B1 (ko) * | 1996-08-30 | 1999-05-15 | 에스케이텔레콤주식회사 | 다수의 수신전력 검출기를 가지는 자동이득 제어장치 |
JP3001040B2 (ja) | 1996-09-20 | 2000-01-17 | 日本電気株式会社 | Cdmaセルラーシステム用閉ループ送信機電力制御ユニット |
JP2846860B2 (ja) * | 1996-10-01 | 1999-01-13 | ユニデン株式会社 | スペクトル拡散通信方式を用いた送信機、受信機、通信システム及び通信方法 |
US5872775A (en) * | 1996-10-30 | 1999-02-16 | Qualcomm Incorporated | Method and apparatus for performing rate determination |
JP3274375B2 (ja) * | 1996-11-25 | 2002-04-15 | 松下電器産業株式会社 | スペクトル拡散復調装置 |
US6122260A (en) * | 1996-12-16 | 2000-09-19 | Civil Telecommunications, Inc. | Smart antenna CDMA wireless communication system |
US5786791A (en) * | 1997-02-24 | 1998-07-28 | Motorola, Inc. | Method for determining an angle of arrival of a signal transmitted by a remote unit in a communication system |
JP3459866B2 (ja) * | 1997-04-22 | 2003-10-27 | 埼玉日本電気株式会社 | 符号分割多元接続方式の送信電力制御方法 |
JP2914444B2 (ja) * | 1997-07-22 | 1999-06-28 | 日本電気株式会社 | Cdma送受信機 |
KR19990012755A (ko) * | 1997-07-30 | 1999-02-25 | 윤종용 | 간섭을 줄이기 위한 역전력 제어장치 및 방법 |
JP3011236B2 (ja) * | 1997-08-12 | 2000-02-21 | 日本電気株式会社 | 符号分割多重セルラー移動無線通信システムの送信電力制御方法及び方式 |
US6097972A (en) * | 1997-08-29 | 2000-08-01 | Qualcomm Incorporated | Method and apparatus for processing power control signals in CDMA mobile telephone system |
JP3355295B2 (ja) * | 1997-11-13 | 2002-12-09 | 松下電器産業株式会社 | 送信電力制御方法及び送受信装置 |
JP3013822B2 (ja) * | 1997-11-20 | 2000-02-28 | 日本電気株式会社 | スペクトラム拡散通信システム |
-
1998
- 1998-09-17 JP JP26341698A patent/JP3321419B2/ja not_active Expired - Lifetime
-
1999
- 1999-09-14 DE DE1999613134 patent/DE69913134T2/de not_active Expired - Lifetime
- 1999-09-14 EP EP20000126708 patent/EP1089454B1/en not_active Expired - Lifetime
- 1999-09-14 DE DE1999613963 patent/DE69913963T2/de not_active Expired - Lifetime
- 1999-09-14 ES ES99118267T patent/ES2212441T3/es not_active Expired - Lifetime
- 1999-09-14 EP EP19990118267 patent/EP0987834B1/en not_active Expired - Lifetime
- 1999-09-14 EP EP20000126709 patent/EP1083677B1/en not_active Expired - Lifetime
- 1999-09-14 ES ES00126708T patent/ES2213537T3/es not_active Expired - Lifetime
- 1999-09-14 ES ES00126709T patent/ES2211442T3/es not_active Expired - Lifetime
- 1999-09-14 DE DE1999613068 patent/DE69913068T2/de not_active Expired - Lifetime
- 1999-09-15 US US09/396,375 patent/US6522639B1/en not_active Expired - Lifetime
- 1999-09-16 CN CN99118871A patent/CN1126297C/zh not_active Expired - Lifetime
- 1999-09-16 KR KR1019990039751A patent/KR100314110B1/ko active IP Right Grant
- 1999-09-16 BR BRPI9904207A patent/BRPI9904207B1/pt active IP Right Grant
-
2000
- 2000-08-25 US US09/645,522 patent/US6507574B1/en not_active Expired - Lifetime
- 2000-08-25 US US09/645,309 patent/US6545991B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BRPI9904207B1 (pt) | 2016-09-20 |
DE69913963D1 (de) | 2004-02-05 |
DE69913134D1 (de) | 2004-01-08 |
EP1089454B1 (en) | 2004-01-02 |
DE69913963T2 (de) | 2004-06-09 |
US6507574B1 (en) | 2003-01-14 |
EP0987834A3 (en) | 2002-05-29 |
EP0987834A2 (en) | 2000-03-22 |
EP1089454A2 (en) | 2001-04-04 |
JP2000091986A (ja) | 2000-03-31 |
ES2212441T3 (es) | 2004-07-16 |
DE69913068T2 (de) | 2004-04-15 |
EP1083677B1 (en) | 2003-11-26 |
KR100314110B1 (ko) | 2001-11-17 |
CN1126297C (zh) | 2003-10-29 |
ES2213537T3 (es) | 2004-09-01 |
EP0987834B1 (en) | 2003-11-26 |
ES2211442T3 (es) | 2004-07-16 |
BR9904207A (pt) | 2000-09-19 |
DE69913134T2 (de) | 2004-05-27 |
DE69913068D1 (de) | 2004-01-08 |
JP3321419B2 (ja) | 2002-09-03 |
EP1083677A3 (en) | 2001-08-16 |
CN1248109A (zh) | 2000-03-22 |
US6545991B1 (en) | 2003-04-08 |
EP1089454A3 (en) | 2002-03-27 |
US6522639B1 (en) | 2003-02-18 |
EP1083677A2 (en) | 2001-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100314110B1 (ko) | 송수신 장치 및 송신 전력 제어 방법 | |
KR100233981B1 (ko) | 송신전력 제어방법 및 송신전력 제어장치 | |
US7164725B2 (en) | Method and apparatus for antenna array beamforming | |
KR100367270B1 (ko) | 기지국 장치 및 이동국 장치 | |
CA2141733C (en) | Mobile telecommunication system | |
US5983113A (en) | CDMA communication system using orthogonal code | |
US7020445B1 (en) | Wireless base station system, and wireless transmission method | |
KR100529424B1 (ko) | 송신 장치, 송신 방법 및 기지국 장치 | |
CN100544225C (zh) | 分布式天线系统中下行链路功率控制方法和装置 | |
EP1179229B1 (en) | A method and apparatus for antenna array beamforming | |
JP3583343B2 (ja) | 通信端末装置、基地局装置および送信電力制御方法 | |
JP3512779B2 (ja) | 通信端末装置および無線通信方法 | |
JP2001358625A (ja) | 送信装置および送信ダイバーシチ方法 | |
JP3380862B2 (ja) | 基地局及びリモート局 | |
Kihira et al. | A downlink beam selection scheme with feedback in CDMA/FDD systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120928 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20131001 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20141002 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20151007 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20161013 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20181012 Year of fee payment: 18 |