CN1222796A - 时分多址通信系统 - Google Patents
时分多址通信系统 Download PDFInfo
- Publication number
- CN1222796A CN1222796A CN98114871A CN98114871A CN1222796A CN 1222796 A CN1222796 A CN 1222796A CN 98114871 A CN98114871 A CN 98114871A CN 98114871 A CN98114871 A CN 98114871A CN 1222796 A CN1222796 A CN 1222796A
- Authority
- CN
- China
- Prior art keywords
- communication
- environment
- tdma
- communication environment
- condition
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
环境 | 小区半径 | 发送功率(峰值) | 天线增益(BS/MS) | 调制方法 | 要求的CNR(注1) | 载波比特率 | 用户速率 | 业务速率 | |
环境O(办公室) | 30m | 80mW | 10dB/-6dB | 16QAM | 29dB | 6.144Mbps | 4.096Mbps | 基本组接口×2 | |
环境P(步行) | 400m | 800mW | 10dB/-6dB | QPSK | 10dB | 3.072Mbps | 2.048Mbps | 基本组接口 | |
环境(车辆) | 短宏 | 1.15km | 1.5W | 16dB/-6dB | 16QAM | 21dB | 768kbps | 512kbps | (2B+D)×4 |
3km | 16dB/-6dB | QPSK | 10dB | 384kbps(注2) | 256kbps | (2B+D)×2 | |||
长宏 | 10km | 16dB/-0dB | QPSK | 10dB | 192kbps(注2) | 128kbps | 2B+D |
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12132197A JP3652837B2 (ja) | 1997-05-12 | 1997-05-12 | Tdma通信システム |
JP121321/1997 | 1997-05-12 | ||
JP121321/97 | 1997-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1222796A true CN1222796A (zh) | 1999-07-14 |
CN1143450C CN1143450C (zh) | 2004-03-24 |
Family
ID=14808364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981148719A Expired - Fee Related CN1143450C (zh) | 1997-05-12 | 1998-05-12 | 时分多址通信系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6442146B1 (zh) |
EP (1) | EP0878924B1 (zh) |
JP (1) | JP3652837B2 (zh) |
CN (1) | CN1143450C (zh) |
DE (1) | DE69818142T2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7023933B2 (en) | 2000-10-20 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus |
CN101553032B (zh) * | 2008-04-03 | 2012-11-21 | 华为技术有限公司 | 信道分配方法、装置及基站子系统 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI106607B (fi) | 1998-01-07 | 2001-02-28 | Nokia Mobile Phones Ltd | Solun valinta usean modulaation solukkoradiojärjestelmässä |
CN1348668A (zh) * | 1998-10-12 | 2002-05-08 | 艾利森电话股份有限公司 | 时分多址/时分双工系统的链路和无线小区适配 |
GB9900126D0 (en) * | 1999-01-06 | 1999-02-24 | Univ Southampton | Wideband burst-by-burst adaptive H.263 assisted wireless video telephony |
DE19919177A1 (de) * | 1999-04-28 | 2000-11-02 | Philips Corp Intellectual Pty | Netzwerk mit mehreren Netzwerk-Clustern zur drahtlosen Übertragung von Paketen |
KR100592596B1 (ko) * | 1999-12-24 | 2006-06-26 | 한국전자통신연구원 | 적응형 전송 시스템에서의 전송 방식 선택 방법 |
EP1120931B1 (en) * | 2000-01-25 | 2005-10-12 | Alcatel | A method for enhancing the capacity of a cellular radio-communication system and corresponding system |
US20010040877A1 (en) * | 2000-05-09 | 2001-11-15 | Motorola, Inc. | Method of dynamic transmit scheduling using channel quality feedback |
US6760599B1 (en) * | 2000-09-29 | 2004-07-06 | Arraycomm, Inc. | Method and apparatus for selecting a base station |
US6865388B2 (en) * | 2001-08-09 | 2005-03-08 | Hughes Electronics Corporation | Dynamic queue depth management in a satellite terminal for bandwidth allocations in a broadband satellite communications system |
JP3612563B2 (ja) * | 2001-09-07 | 2005-01-19 | 独立行政法人情報通信研究機構 | マルチモードブロック符号化変調復調方法 |
JP3838924B2 (ja) | 2002-03-05 | 2006-10-25 | 株式会社東芝 | 無線通信装置 |
JP3918669B2 (ja) * | 2002-07-24 | 2007-05-23 | 株式会社デンソー | 車載無線通信装置 |
JP4050595B2 (ja) | 2002-11-11 | 2008-02-20 | 松下電器産業株式会社 | 無線通信システム及び無線通信方法並びに無線通信装置 |
JP3717913B2 (ja) | 2002-12-27 | 2005-11-16 | 三洋電機株式会社 | 無線装置 |
JP4623992B2 (ja) | 2003-04-18 | 2011-02-02 | パナソニック株式会社 | 送信装置ならびに受信装置 |
US7489909B2 (en) * | 2004-06-18 | 2009-02-10 | Mediatek Incorporation | Method and apparatus for controlling a TX power amplifier |
TWI244257B (en) * | 2004-06-18 | 2005-11-21 | Mediatek Inc | Control method and apparatus of transmission power amplifier |
US7574175B2 (en) * | 2004-11-01 | 2009-08-11 | Broadcom Corporation | Method and system for selective equalization enablement based on modulation type |
JP4559205B2 (ja) * | 2004-12-13 | 2010-10-06 | 株式会社日立国際電気 | 無線通信システム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2294844B (en) * | 1994-11-07 | 1999-05-26 | Motorola Inc | Communications operating system and method therefor |
US6205190B1 (en) * | 1996-04-29 | 2001-03-20 | Qualcomm Inc. | System and method for reducing interference generated by a CDMA communications device |
JP3833787B2 (ja) * | 1997-08-07 | 2006-10-18 | 富士通株式会社 | 基地局の送受信装置 |
-
1997
- 1997-05-12 JP JP12132197A patent/JP3652837B2/ja not_active Expired - Fee Related
-
1998
- 1998-05-08 DE DE69818142T patent/DE69818142T2/de not_active Expired - Lifetime
- 1998-05-08 EP EP98108467A patent/EP0878924B1/en not_active Expired - Lifetime
- 1998-05-11 US US09/075,249 patent/US6442146B1/en not_active Expired - Fee Related
- 1998-05-12 CN CNB981148719A patent/CN1143450C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7023933B2 (en) | 2000-10-20 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus |
CN1310486C (zh) * | 2000-10-20 | 2007-04-11 | 松下电器产业株式会社 | 无线通信装置 |
US7738590B2 (en) | 2000-10-20 | 2010-06-15 | Panasonic Corporation | Radio communication apparatus capable of switching modulation schemes |
US7953177B2 (en) | 2000-10-20 | 2011-05-31 | Panasonic Corporation | Radio communication apparatus capable of switching modulation schemes |
US8218680B2 (en) | 2000-10-20 | 2012-07-10 | Panasonic Corporation | Radio communication apparatus capable of switching modulation schemes |
US9590834B2 (en) | 2000-10-20 | 2017-03-07 | Wi-Fi One, Llc | Radio communication apparatus capable of switching modulation schemes |
CN101553032B (zh) * | 2008-04-03 | 2012-11-21 | 华为技术有限公司 | 信道分配方法、装置及基站子系统 |
CN102916794B (zh) * | 2008-04-03 | 2015-08-19 | 华为技术有限公司 | 信道分配方法、装置及基站子系统 |
Also Published As
Publication number | Publication date |
---|---|
EP0878924A2 (en) | 1998-11-18 |
CN1143450C (zh) | 2004-03-24 |
DE69818142D1 (de) | 2003-10-23 |
DE69818142T2 (de) | 2004-06-09 |
EP0878924A3 (en) | 2001-10-24 |
EP0878924B1 (en) | 2003-09-17 |
JP3652837B2 (ja) | 2005-05-25 |
JPH10313274A (ja) | 1998-11-24 |
US6442146B1 (en) | 2002-08-27 |
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C06 | Publication | ||
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ASS | Succession or assignment of patent right |
Owner name: HITACHI CO., LTD.; MITSUBISHI ELECTRIC CO., LTD.; Free format text: FORMER OWNER: HITACHI CO., LTD.; MITSUBISHI ELECTRIC CO., LTD.; INDEPENDENT ADMINISTRATIVE BODY CORPORATE COMMUNICATIONS RESEARCH INSTITUTE; NIPPON TELEGRAPH + TELEPHONE; NTT MOBILE COMMUNICATIONS NETWORK INC.; CO. ... Effective date: 20030425 Owner name: HITACHI CO., LTD.; MITSUBISHI ELECTRIC CO., LTD.; Free format text: FORMER OWNER: HITACHI CO., LTD.; MITSUBISHI ELECTRIC CO., LTD.; TONGXINZONGHEYANJIU INSTITUTE, YOUZHENG PROVINCE; NIPPON TELEGRAPH + TELEPHONE; NTT MOBILE COMMUNICATIONS NETWORK INC.; CO., LTD. YRP MOBILE COMMUNICA ... Effective date: 20030425 |
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Effective date of registration: 20030425 Address after: Osaka Japan Applicant after: Sharp Corp. Co-applicant after: Hitachi, Ltd. Co-applicant after: MITSUBISHI ELECTRIC Corp. Co-applicant after: Independent Institute of Communications of Administrative Legal Persons Co-applicant after: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-applicant after: NTT MOBILE COMMUNICATIONS NETWORK Inc. Address before: Osaka Japan Applicant before: Sharp Corp. Co-applicant before: Hitachi, Ltd. Co-applicant before: MITSUBISHI ELECTRIC Corp. Co-applicant before: Independent Institute of Communications of Administrative Legal Persons Co-applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-applicant before: NTT MOBILE COMMUNICATIONS NETWORK Inc. Co-applicant before: YRP Mobile Communication Base Technology Research Institute Effective date of registration: 20030425 Address after: Osaka Japan Applicant after: Sharp Corp. Co-applicant after: Hitachi, Ltd. Co-applicant after: MITSUBISHI ELECTRIC Corp. Co-applicant after: Independent Institute of Communications of Administrative Legal Persons Co-applicant after: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-applicant after: NTT MOBILE COMMUNICATIONS NETWORK Inc. Co-applicant after: YRP Mobile Communication Base Technology Research Institute Address before: Osaka Japan Applicant before: Sharp Corp. Co-applicant before: Hitachi, Ltd. Co-applicant before: MITSUBISHI ELECTRIC Corp. Co-applicant before: Director, General Institute of Communications, Ministry of Posts Co-applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-applicant before: NTT MOBILE COMMUNICATIONS NETWORK Inc. Co-applicant before: YRP Mobile Communication Base Technology Research Institute |
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C14 | Grant of patent or utility model | ||
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Address after: Osaka Japan Co-patentee after: Hitachi, Ltd. Patentee after: Sharp Corp. Co-patentee after: MITSUBISHI ELECTRIC Corp. Co-patentee after: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY Co-patentee after: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-patentee after: NTT MOBILE COMMUNICATIONS NETWORK Inc. Address before: Osaka Japan Co-patentee before: Hitachi, Ltd. Patentee before: Sharp Corp. Co-patentee before: MITSUBISHI ELECTRIC Corp. Co-patentee before: Independent Institute of Communications of Administrative Legal Persons Co-patentee before: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-patentee before: NTT MOBILE COMMUNICATIONS NETWORK Inc. |
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Owner name: NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT DOC Free format text: FORMER OWNER: HITACHI,LTD. MISSUBISHI ELECTRIC CORP. NATIONAL INSTITUTE OF INFORMATION + COMMUNICATIONS TECHNOLOGY NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT DOCOMO INC. Owner name: NATIONAL INSTITUTE OF INFORMATION + COMMUNICATIONS Free format text: FORMER OWNER: SHARP CO. (JP) OSAKA, JAPAN Effective date: 20110309 |
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Free format text: CORRECT: ADDRESS; FROM: OSAKA PREFECTURE, JAPAN TO: TOKYO METROPOLITAN, JAPAN |
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CP03 | Change of name, title or address |
Address after: Osaka Japan Co-patentee after: Hitachi, Ltd. Patentee after: Sharp Corp. Co-patentee after: MITSUBISHI ELECTRIC Corp. Co-patentee after: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY Co-patentee after: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-patentee after: NTT DOCOMO, Inc. Address before: Osaka Japan Co-patentee before: Hitachi, Ltd. Patentee before: Sharp Corp. Co-patentee before: MITSUBISHI ELECTRIC Corp. Co-patentee before: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY Co-patentee before: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-patentee before: NTT MOBILE COMMUNICATIONS NETWORK Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20110309 Address after: Tokyo, Japan Co-patentee after: NIPPON TELEGRAPH AND TELEPHONE Corp. Patentee after: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY Co-patentee after: NTT DOCOMO, Inc. Co-patentee after: MITSUBISHI ELECTRIC Corp. Address before: Osaka Japan Co-patentee before: Hitachi, Ltd. Patentee before: Sharp Corp. Co-patentee before: MITSUBISHI ELECTRIC Corp. Co-patentee before: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY Co-patentee before: NIPPON TELEGRAPH AND TELEPHONE Corp. Co-patentee before: NTT DOCOMO, Inc. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040324 Termination date: 20110512 |