CN100456646C - 改进频率使用率并抑制呼损发生的码分多址通信设备 - Google Patents
改进频率使用率并抑制呼损发生的码分多址通信设备 Download PDFInfo
- Publication number
- CN100456646C CN100456646C CNB2004100559407A CN200410055940A CN100456646C CN 100456646 C CN100456646 C CN 100456646C CN B2004100559407 A CNB2004100559407 A CN B2004100559407A CN 200410055940 A CN200410055940 A CN 200410055940A CN 100456646 C CN100456646 C CN 100456646C
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- 238000004891 communication Methods 0.000 title claims abstract description 26
- 238000001228 spectrum Methods 0.000 claims description 22
- 108010003272 Hyaluronate lyase Proteins 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 230000000052 comparative effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003285162 | 2003-08-01 | ||
JP2003285162A JP2005057429A (ja) | 2003-08-01 | 2003-08-01 | Cdma通信装置およびその方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1581714A CN1581714A (zh) | 2005-02-16 |
CN100456646C true CN100456646C (zh) | 2009-01-28 |
Family
ID=32923706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100559407A Expired - Fee Related CN100456646C (zh) | 2003-08-01 | 2004-07-30 | 改进频率使用率并抑制呼损发生的码分多址通信设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7336637B2 (zh) |
JP (1) | JP2005057429A (zh) |
CN (1) | CN100456646C (zh) |
GB (1) | GB2404829B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4955080B2 (ja) * | 2004-06-28 | 2012-06-20 | 株式会社エヌ・ティ・ティ・ドコモ | 受信局、送信局及び移動通信システム、並びに周波数ブロック割当方法 |
EP1926520B1 (en) * | 2005-09-19 | 2015-11-11 | Varian Medical Systems, Inc. | Apparatus and methods for implanting objects, such as bronchoscopically implanting markers in the lung of patients |
CN1852073B (zh) * | 2005-11-21 | 2010-05-05 | 华为技术有限公司 | 一种在下行分组数据传输中分配资源的方法 |
US20090239550A1 (en) * | 2008-03-18 | 2009-09-24 | Myers Theodore J | Random phase multiple access system with location tracking |
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 |
US20100195553A1 (en) * | 2008-03-18 | 2010-08-05 | Myers Theodore J | Controlling power in a spread spectrum system |
US7593383B1 (en) * | 2008-03-18 | 2009-09-22 | On-Ramp Wireless, Inc. | Uplink transmitter in a random phase multiple access communication system |
US7733945B2 (en) * | 2008-03-18 | 2010-06-08 | On-Ramp Wireless, Inc. | Spread spectrum with doppler optimization |
US8477830B2 (en) | 2008-03-18 | 2013-07-02 | On-Ramp Wireless, Inc. | Light monitoring system using a random phase multiple access system |
US7773664B2 (en) * | 2008-03-18 | 2010-08-10 | On-Ramp Wireless, Inc. | Random phase multiple access system with meshing |
US8363699B2 (en) | 2009-03-20 | 2013-01-29 | On-Ramp Wireless, Inc. | Random timing offset determination |
US7639726B1 (en) * | 2009-03-20 | 2009-12-29 | On-Ramp Wireless, Inc. | Downlink communication |
US7702290B1 (en) | 2009-04-08 | 2010-04-20 | On-Ramp Wirless, Inc. | Dynamic energy control |
US9789603B2 (en) | 2011-04-29 | 2017-10-17 | Sarcos Lc | Teleoperated robotic system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2354678A (en) * | 1999-06-29 | 2001-03-28 | Nec Corp | CDMA receiver capable of estimating frequency offset from complex pilot symbols |
JP2002135229A (ja) * | 2001-08-27 | 2002-05-10 | Nippon Telegr & Teleph Corp <Ntt> | スペクトラム拡散無線通信用無線送信局および無線受信局 |
JP2003046474A (ja) * | 2001-07-31 | 2003-02-14 | Matsushita Electric Ind Co Ltd | 無線通信装置および無線通信方法 |
WO2003047142A1 (fr) * | 2001-11-26 | 2003-06-05 | Matsushita Electric Industrial Co., Ltd. | Appareil et procede d'emission radio |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2290928B (en) * | 1991-08-01 | 1996-03-13 | Motorola Inc | A multiple user spread-spectrum communication system |
JPH11234242A (ja) | 1998-02-10 | 1999-08-27 | Matsushita Electric Ind Co Ltd | 時分割複信cdma移動体通信システム及び方法 |
JP2878265B1 (ja) * | 1998-03-16 | 1999-04-05 | 三菱電機株式会社 | 符号割当装置並びにその方法 |
JP2000341173A (ja) | 1999-03-23 | 2000-12-08 | Matsushita Electric Ind Co Ltd | 無線受信装置及び無線受信方法 |
US7443906B1 (en) * | 1999-05-31 | 2008-10-28 | Electronics And Telecommunications Research Institute | Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system |
JP3678944B2 (ja) * | 1999-07-02 | 2005-08-03 | 松下電器産業株式会社 | 無線通信装置および無線通信方法 |
JP4032584B2 (ja) | 1999-11-30 | 2008-01-16 | 三菱電機株式会社 | スペクトル拡散復調装置 |
AU3954201A (en) * | 2000-03-17 | 2001-09-24 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus and radio communication method |
JP3866535B2 (ja) | 2001-06-26 | 2007-01-10 | 株式会社東芝 | 符号分割多重通信装置及びその伝送路補正タイミング制御方法 |
CA2428576C (en) * | 2002-05-16 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter for multi-carrier transmission and multi-carrier transmitting method |
US6999467B2 (en) * | 2003-07-28 | 2006-02-14 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
ATE315290T1 (de) * | 2003-07-28 | 2006-02-15 | Cit Alcatel | Verfahren und vorrichtung zur auswahl von unterträgern gemäss dienstqualitätsanforderungen in einem mehrträgerkommunikationssystem |
US7397839B2 (en) * | 2004-01-27 | 2008-07-08 | Ntt Docomo, Inc. | OFDM communication system and method |
-
2003
- 2003-08-01 JP JP2003285162A patent/JP2005057429A/ja active Pending
-
2004
- 2004-07-26 GB GB0416634A patent/GB2404829B/en not_active Expired - Fee Related
- 2004-07-26 US US10/898,310 patent/US7336637B2/en not_active Expired - Fee Related
- 2004-07-30 CN CNB2004100559407A patent/CN100456646C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2354678A (en) * | 1999-06-29 | 2001-03-28 | Nec Corp | CDMA receiver capable of estimating frequency offset from complex pilot symbols |
JP2003046474A (ja) * | 2001-07-31 | 2003-02-14 | Matsushita Electric Ind Co Ltd | 無線通信装置および無線通信方法 |
JP2002135229A (ja) * | 2001-08-27 | 2002-05-10 | Nippon Telegr & Teleph Corp <Ntt> | スペクトラム拡散無線通信用無線送信局および無線受信局 |
WO2003047142A1 (fr) * | 2001-11-26 | 2003-06-05 | Matsushita Electric Industrial Co., Ltd. | Appareil et procede d'emission radio |
WO2003047141A1 (fr) * | 2001-11-26 | 2003-06-05 | Matsushita Electric Industrial Co., Ltd. | Appareil d'emission-reception radio et procede d'emission radio |
Also Published As
Publication number | Publication date |
---|---|
JP2005057429A (ja) | 2005-03-03 |
US7336637B2 (en) | 2008-02-26 |
CN1581714A (zh) | 2005-02-16 |
GB2404829A (en) | 2005-02-09 |
GB2404829B (en) | 2005-09-07 |
US20050025111A1 (en) | 2005-02-03 |
GB0416634D0 (en) | 2004-08-25 |
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