CN1331525A - 扩频通信系统及其方法 - Google Patents
扩频通信系统及其方法 Download PDFInfo
- Publication number
- CN1331525A CN1331525A CN01118883A CN01118883A CN1331525A CN 1331525 A CN1331525 A CN 1331525A CN 01118883 A CN01118883 A CN 01118883A CN 01118883 A CN01118883 A CN 01118883A CN 1331525 A CN1331525 A CN 1331525A
- Authority
- CN
- China
- Prior art keywords
- frequency band
- transmitting power
- spread
- communication quality
- spectrum
- 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
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Images
Classifications
-
- 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
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- 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
- H04L1/0025—Transmission of mode-switching indication
-
- 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
- H04W52/20—TPC being performed according to specific parameters using error rate
-
- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000193644A JP3438703B2 (ja) | 2000-06-28 | 2000-06-28 | スペクトラム拡散通信装置及びその通信方法 |
JP193644/2000 | 2000-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1331525A true CN1331525A (zh) | 2002-01-16 |
CN1218524C CN1218524C (zh) | 2005-09-07 |
Family
ID=18692600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN011188839A Expired - Fee Related CN1218524C (zh) | 2000-06-28 | 2001-06-28 | 扩频通信方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7359424B2 (zh) |
EP (1) | EP1168701B1 (zh) |
JP (1) | JP3438703B2 (zh) |
CN (1) | CN1218524C (zh) |
DE (1) | DE60112668T2 (zh) |
HK (1) | HK1041127A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103188202A (zh) * | 2011-12-28 | 2013-07-03 | 国民技术股份有限公司 | 信号发送、接收、通信方法及收、发信机、信号收发装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030095995A (ko) * | 2002-06-14 | 2003-12-24 | 마츠시타 덴끼 산교 가부시키가이샤 | 미디어 전송방법 및 그 송신장치 및 수신장치 |
WO2004012474A1 (ja) * | 2002-07-30 | 2004-02-05 | Fujitsu Limited | 無線基地局装置、基地局制御装置、無線端末装置および無線伝送系 |
DE10357522A1 (de) * | 2003-12-08 | 2005-07-07 | Marconi Communications Gmbh | Datenübertragungsverfahren und -netzwerk |
WO2005089125A2 (en) * | 2004-03-05 | 2005-09-29 | Interdigital Technology Corporation | Full duplex communication system using disjoint spectral blocks |
FR2871312B1 (fr) * | 2004-06-03 | 2006-08-11 | St Microelectronics Sa | Modulation de charge dans un transpondeur electromagnetique |
KR100765892B1 (ko) | 2006-08-30 | 2007-10-10 | 주식회사 팬택 | 이동통신 시스템의 셀간 간섭을 제어하는 방법 |
KR100753369B1 (ko) * | 2006-08-30 | 2007-08-30 | 주식회사 팬택 | 이동통신 시스템의 셀간 간섭을 저감하는 방법 |
WO2008078733A1 (ja) * | 2006-12-26 | 2008-07-03 | Panasonic Corporation | 無線通信基地局装置および制御チャネルのmcs制御方法 |
JP5121815B2 (ja) | 2007-02-19 | 2013-01-16 | 三菱電機株式会社 | 車載機器遠隔制御システム |
US8116314B2 (en) * | 2007-03-29 | 2012-02-14 | Nec Corporation | Apparatus for processing packets and method of doing the same |
TWM346223U (en) * | 2007-08-06 | 2008-12-01 | Interdigital Patent Holdings | Pulse shaping for EGPRS-2 |
US20100061424A1 (en) * | 2008-09-09 | 2010-03-11 | International Business Machines Corporation | Spread Spectrum Controller with Bit Error Rate Feedback |
JP5423499B2 (ja) | 2010-03-16 | 2014-02-19 | 富士通株式会社 | 基地局装置、通信システムおよび通信システムの制御方法 |
US8837375B2 (en) * | 2011-12-09 | 2014-09-16 | Qualcomm Incorporated | Support for voice over flexible bandwidth carrier systems |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0614006A (ja) | 1992-06-26 | 1994-01-21 | Sony Corp | スペクトラム拡散通信システム及び送受信装置 |
US5321721A (en) | 1991-09-13 | 1994-06-14 | Sony Corporation | Spread spectrum communication system and transmitter-receiver |
JPH0646033A (ja) | 1992-07-24 | 1994-02-18 | Matsushita Electric Ind Co Ltd | スペクトラム拡散通信装置 |
JPH06140976A (ja) | 1992-10-27 | 1994-05-20 | N T T Idou Tsuushinmou Kk | 移動通信装置 |
JPH06216875A (ja) | 1993-01-19 | 1994-08-05 | Matsushita Electric Ind Co Ltd | スペクトラム拡散通信装置 |
JPH06252881A (ja) | 1993-02-25 | 1994-09-09 | Matsushita Electric Ind Co Ltd | スペクトラム拡散通信装置 |
JPH06276176A (ja) | 1993-03-18 | 1994-09-30 | Fujitsu Ltd | Cdma通信方式 |
US5546424A (en) | 1993-06-30 | 1996-08-13 | Casio Computer Co., Ltd. | Spread spectrum communication system |
JP3158870B2 (ja) | 1993-06-30 | 2001-04-23 | カシオ計算機株式会社 | スペクトラム拡散通信システム、スペクトラム拡散通信方法及びこれらに適用される送受信装置 |
US5697053A (en) * | 1994-07-28 | 1997-12-09 | Lucent Technologies Inc. | Method of power control and cell site selection |
JP3284008B2 (ja) | 1994-08-29 | 2002-05-20 | 株式会社エヌ・ティ・ティ・ドコモ | 通信チャンネル切替システム |
CA2175860C (en) | 1995-06-02 | 2001-03-27 | Randall Wayne Rich | Apparatus and method for optimizing the quality of a received signal in a radio receiver |
US6252898B1 (en) * | 1995-07-19 | 2001-06-26 | Hitachi Denshi Kabushiki Kaisha | Spread spectrum communication method and system wherein data rate of data to be transmitted is changed in accordance with transmission quality |
JP2991232B2 (ja) | 1996-03-08 | 1999-12-20 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | 帯域分割形cdma方式および送受信装置 |
US5930288A (en) | 1996-05-06 | 1999-07-27 | Motorola, Inc. | Time-shared lock indicator circuit and method for power control and traffic channel decoding in a radio receiver |
US5754583A (en) | 1996-05-06 | 1998-05-19 | Motorola, Inc. | Communication device and method for determining finger lock status in a radio receiver |
JPH10276125A (ja) | 1997-03-28 | 1998-10-13 | Matsushita Electric Ind Co Ltd | 移動無線受信装置 |
US6067458A (en) * | 1997-07-01 | 2000-05-23 | Qualcomm Incorporated | Method and apparatus for pre-transmission power control using lower rate for high rate communication |
US6510147B1 (en) * | 1997-07-15 | 2003-01-21 | Hughes Electronics Corporation | Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals |
EP0930721B1 (en) * | 1997-12-29 | 2007-06-20 | Nortel Matra Cellular | Telecommunications system with bandwidth agile receivers and transmitters |
US6144841A (en) * | 1998-03-10 | 2000-11-07 | Nortel Networks Corporation | Method and system for managing forward link power control within a code-division multiple access mobile telephone communication network |
US20010011954A1 (en) * | 1998-03-11 | 2001-08-09 | Monty M. Shelton | Public area locator system |
KR100282959B1 (ko) * | 1999-01-23 | 2001-02-15 | 윤종용 | 선택적 이중경로 수신기를 이용한 기지국 |
US6377782B1 (en) * | 1999-03-01 | 2002-04-23 | Mediacell, Inc. | Method and apparatus for communicating between a client device and a linear broadband network |
US6334047B1 (en) * | 1999-04-09 | 2001-12-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive power control in a mobile radio communications system |
US6594279B1 (en) * | 1999-04-22 | 2003-07-15 | Nortel Networks Limited | Method and apparatus for transporting IP datagrams over synchronous optical networks at guaranteed quality of service |
KR100607934B1 (ko) * | 1999-08-27 | 2006-08-03 | 삼성전자주식회사 | 광대역 무선 통신에서의 링크 계층의 오류 제어방법 및 이를위한 기록 매체 |
US6606357B1 (en) * | 1999-09-10 | 2003-08-12 | Harris Corporation | Carrier injecting waveform-based modulation scheme for reducing satellite transponder power requirements and earth terminal antenna size |
US6654616B1 (en) * | 1999-09-27 | 2003-11-25 | Verizon Laboratories Inc. | Wireless area network having flexible backhauls for creating backhaul network |
US6415153B1 (en) * | 1999-09-29 | 2002-07-02 | Lucent Technologies Inc. | System and method for aggregate overload control |
US6792030B2 (en) * | 1999-10-05 | 2004-09-14 | Nortel Networks Limited | Method and apparatus for delivering non-obtrusive data services by spread spectrum modulation |
US6947407B2 (en) * | 1999-12-09 | 2005-09-20 | Verizon Laboratories Inc. | Power control based admission methods for maximum throughput in DS-CDMA networks with multi-media traffic |
US6870816B1 (en) * | 2000-03-01 | 2005-03-22 | Motorola, Inc. | Self-organizing network with decision engine and method |
-
2000
- 2000-06-28 JP JP2000193644A patent/JP3438703B2/ja not_active Expired - Fee Related
-
2001
- 2001-06-21 EP EP20010115158 patent/EP1168701B1/en not_active Expired - Lifetime
- 2001-06-21 DE DE2001612668 patent/DE60112668T2/de not_active Expired - Lifetime
- 2001-06-27 US US09/891,235 patent/US7359424B2/en not_active Expired - Fee Related
- 2001-06-28 CN CN011188839A patent/CN1218524C/zh not_active Expired - Fee Related
-
2002
- 2002-03-08 HK HK02101811A patent/HK1041127A1/xx not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103188202A (zh) * | 2011-12-28 | 2013-07-03 | 国民技术股份有限公司 | 信号发送、接收、通信方法及收、发信机、信号收发装置 |
CN103188202B (zh) * | 2011-12-28 | 2017-09-22 | 国民技术股份有限公司 | 信号通信方法及信号收发装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1168701B1 (en) | 2005-08-17 |
US7359424B2 (en) | 2008-04-15 |
CN1218524C (zh) | 2005-09-07 |
HK1041127A1 (en) | 2002-06-28 |
EP1168701A2 (en) | 2002-01-02 |
US20020001336A1 (en) | 2002-01-03 |
EP1168701A3 (en) | 2002-05-15 |
JP3438703B2 (ja) | 2003-08-18 |
DE60112668T2 (de) | 2006-06-29 |
DE60112668D1 (de) | 2005-09-22 |
JP2002016526A (ja) | 2002-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141128 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141128 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20170628 |
|
CF01 | Termination of patent right due to non-payment of annual fee |