JPH08503591A - Cdma伝送システム - Google Patents
Cdma伝送システムInfo
- Publication number
- JPH08503591A JPH08503591A JP7501541A JP50154195A JPH08503591A JP H08503591 A JPH08503591 A JP H08503591A JP 7501541 A JP7501541 A JP 7501541A JP 50154195 A JP50154195 A JP 50154195A JP H08503591 A JPH08503591 A JP H08503591A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- payload
- transmitter
- cdma
- receiver
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual 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
- 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
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
-
- 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]
- H04B7/264—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] for data rate control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.少なくとも1つの送信機が設けられており、該送信機においてデータシーケ ンスが符号シーケンスにより拡散され、少なくとも1つの受信機が設けられてお り、該受信機において検出器により前記データシーケンスが再生されるように構 成されたCDMA伝送システムにおいて、 フレーム構造が設けられており、1つのフレーム内で伝送すべきペイロードが 圧縮されて信号バーストが生成されることを特徴とする、CDMA伝送システム 。 2.元のペイロードデータレートの関数として拡散率が選定される、請求項1記 載のCDMA伝送システム。 3.セルサイズに依存して1つのバーストの開始位置t0が選定される、請求項 1または2記載のCDMA通信システム。 4.1つのフレームにおける電界強度分布を測定することにより、1つのフレー ムにおいてセルごとに適切かつよりよい使用可能な時間領域が決定される、請求 項1〜3のいずれか1項記載のCDMA伝送システム。 5.送信機と受信機との間の伝送方向を分離するために、時間の関数としての分 離が行われ、他方、時間 の要素は各伝送方向ごとに可変に定められる、請求項1〜4のいずれか1項記載 のCDMA伝送システム。 6.一時的に、異なる複数の周波数領域で同時に通信が行われる、請求項1〜5 のいずれか1項記載のCDMA伝送システム。 7.請求項1〜6のいずれか1項記載のCDMA伝送システムのための送信機。 8.請求項1〜6のいずれか1項記載のCDMA伝送システムのための受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4319830A DE4319830A1 (de) | 1993-06-16 | 1993-06-16 | CDMA Übertragungssystem |
DE4319830.9 | 1993-06-16 | ||
PCT/IB1994/000158 WO1994029980A1 (en) | 1993-06-16 | 1994-06-16 | Cdma transmission system |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004021829A Division JP4049747B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma移動局および該移動局のためのcdma伝送方法 |
JP2004021830A Division JP4049748B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma固定局および該固定局のためのcdma伝送方法 |
JP2004021831A Division JP4049749B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma送信機および該送信機のためのcdma伝送方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08503591A true JPH08503591A (ja) | 1996-04-16 |
JP3685803B2 JP3685803B2 (ja) | 2005-08-24 |
Family
ID=6490396
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50154195A Expired - Lifetime JP3685803B2 (ja) | 1993-06-16 | 1994-06-16 | Cdma伝送システム |
JP2004021829A Expired - Lifetime JP4049747B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma移動局および該移動局のためのcdma伝送方法 |
JP2004021831A Expired - Lifetime JP4049749B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma送信機および該送信機のためのcdma伝送方法 |
JP2004021830A Expired - Lifetime JP4049748B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma固定局および該固定局のためのcdma伝送方法 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004021829A Expired - Lifetime JP4049747B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma移動局および該移動局のためのcdma伝送方法 |
JP2004021831A Expired - Lifetime JP4049749B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma送信機および該送信機のためのcdma伝送方法 |
JP2004021830A Expired - Lifetime JP4049748B2 (ja) | 1993-06-16 | 2004-01-29 | Cdma固定局および該固定局のためのcdma伝送方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5619491A (ja) |
EP (5) | EP0659317B1 (ja) |
JP (4) | JP3685803B2 (ja) |
KR (5) | KR100356976B1 (ja) |
CN (2) | CN1157014C (ja) |
DE (3) | DE4319830A1 (ja) |
RU (2) | RU2287903C2 (ja) |
SG (1) | SG44858A1 (ja) |
TW (1) | TW320799B (ja) |
WO (1) | WO1994029980A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6469995B1 (en) | 1998-04-23 | 2002-10-22 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US9661519B2 (en) | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
US9893917B2 (en) | 2005-12-22 | 2018-02-13 | Qualcomm Incorporated | Methods and apparatus for communicating control information |
US10159006B2 (en) | 2005-12-22 | 2018-12-18 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
US10645693B2 (en) | 2005-12-22 | 2020-05-05 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a control channel |
US10959120B2 (en) | 2005-12-22 | 2021-03-23 | Qualcomm Incorporated | Methods and apparatus related to selecting control channel reporting formats |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI107575B (fi) * | 1994-06-20 | 2001-08-31 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä, tukiasema sekä tilaajapäätelaite |
US5883899A (en) * | 1995-05-01 | 1999-03-16 | Telefonaktiebolaget Lm Ericsson | Code-rate increased compressed mode DS-CDMA systems and methods |
US5896368A (en) * | 1995-05-01 | 1999-04-20 | Telefonaktiebolaget Lm Ericsson | Multi-code compressed mode DS-CDMA systems and methods |
US5748610A (en) * | 1995-05-08 | 1998-05-05 | Stanford Telecommunications, Inc. | Multi-application wireless direct sequence spread spectrum digital cellular telephone system |
US6122295A (en) * | 1995-06-08 | 2000-09-19 | Canon Kabushiki Kaisha | Multi-channel communication |
DE69637911D1 (de) * | 1995-07-19 | 2009-06-04 | Nec Corp | Diversity-Übertragungssystem mit Kodevielfachzugriff |
KR970013834A (ko) * | 1995-08-23 | 1997-03-29 | 사와무라 시코우 | 전송속도 추정장치(A computing apparatus of transmission rate) |
US5825835A (en) * | 1996-02-23 | 1998-10-20 | L-3 Communications Corporation | Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems |
JP2850858B2 (ja) * | 1996-06-21 | 1999-01-27 | 日本電気株式会社 | Cdma送受信方式 |
US6101176A (en) * | 1996-07-24 | 2000-08-08 | Nokia Mobile Phones | Method and apparatus for operating an indoor CDMA telecommunications system |
CA2220900C (en) | 1996-11-14 | 2002-02-12 | Ntt Mobile Communications Network Inc. | Paging scheme for mobile communication system using increased paging channel data transmission rate |
KR100205251B1 (ko) * | 1996-12-09 | 1999-07-01 | 정선종 | 코드분할 다중접속 기지국에서의 음성 부호화 장치 및 방법 |
US6212397B1 (en) * | 1996-12-23 | 2001-04-03 | Texas Instruments Incorporated | Method and system for controlling remote multipoint stations |
US6633550B1 (en) * | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
US6069880A (en) * | 1997-05-19 | 2000-05-30 | Qualcomm Incorporated | Method and apparatus for scanning other frequency pilot signals in a code division multiple access communication system |
CA2248515C (en) * | 1997-10-31 | 2003-04-15 | Charlotte Catherine Elizabeth Baden | An asymmetric multiple access protocol for a communications system |
EP0935353B1 (en) * | 1997-10-31 | 2011-08-24 | Alcatel-Lucent USA Inc. | An asymmetric multiple access protocol for a communication system |
US6366588B1 (en) * | 1998-02-27 | 2002-04-02 | Lucent Technologies Inc. | Method and apparatus for achieving data rate variability in orthogonal spread spectrum communication systems |
EP1921765B1 (en) * | 1998-03-26 | 2009-06-03 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum communication device |
JP3058270B2 (ja) * | 1998-04-22 | 2000-07-04 | 日本電気株式会社 | Cdma通信方法、スペクトラム拡散通信システム、基地局、および端末装置 |
DE69934952T2 (de) * | 1998-05-13 | 2007-10-31 | Ntt Mobile Communications Network Inc. | Verfahren und anordnung für kommunikation |
EP0993137B1 (en) * | 1998-10-05 | 2005-12-21 | Lucent Technologies Inc. | CDMA communication system and method |
US6331975B1 (en) * | 1998-10-28 | 2001-12-18 | Texas Instruments Incorporated | User data indicator for discontinuous transmission |
US6965778B1 (en) | 1999-04-08 | 2005-11-15 | Ipr Licensing, Inc. | Maintenance of channel usage in a wireless communication system |
US6512750B1 (en) | 1999-04-16 | 2003-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Power setting in CDMA systems employing discontinuous transmission |
US6501744B1 (en) * | 1999-12-22 | 2002-12-31 | Koninklijke Philips Electronics N.V. | Slotted mode in wireless CDMA systems |
WO2002007465A1 (de) * | 2000-07-19 | 2002-01-24 | Siemens Aktiengesellschaft | Datenübertragung in einem kommunikationssystem |
DE10053625B4 (de) * | 2000-10-29 | 2012-05-31 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Verfahren und Vorrichtung zur Funkfernsteuerung von beweglichen Objekten |
KR100398991B1 (ko) * | 2001-03-26 | 2003-09-19 | 주식회사 케이티프리텔 | 지에스엠 서비스 가입자에 대한 씨디엠에이 서비스 지역에서의 로밍 서비스가 가능한 씨디엠에이 단말기 및 그 cdma 단말기에서의 로밍 서비스 방법 |
SE0104113D0 (sv) * | 2001-12-07 | 2001-12-07 | Ericsson Telefon Ab L M | A wireless station and a transmission method in a wireless local area network |
CN1929337A (zh) * | 2005-09-05 | 2007-03-14 | 华为技术有限公司 | 无线收发设备间实现信息传递的方法及*** |
JP4563415B2 (ja) * | 2007-02-14 | 2010-10-13 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムで使用される基地局装置、ユーザ装置及び方法 |
US8964692B2 (en) | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS512943A (ja) * | 1974-06-27 | 1976-01-12 | Mitsubishi Electric Corp | Ijodenatsuhogosochi |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
AU8959191A (en) * | 1990-10-23 | 1992-05-20 | Omnipoint Corporation | Method and apparatus for establishing spread spectrum communications |
US5128959A (en) * | 1991-02-22 | 1992-07-07 | Motorola, Inc. | Variable bandwidth CDMA radio system |
US5184347A (en) * | 1991-07-09 | 1993-02-02 | At&T Bell Laboratories | Adaptive synchronization arrangement |
JPH05102943A (ja) * | 1991-10-04 | 1993-04-23 | Nippon Telegr & Teleph Corp <Ntt> | スペクトル拡散伝送方式 |
TW306102B (ja) * | 1993-06-14 | 1997-05-21 | Ericsson Telefon Ab L M |
-
1993
- 1993-06-16 DE DE4319830A patent/DE4319830A1/de not_active Withdrawn
-
1994
- 1994-06-16 EP EP94917129A patent/EP0659317B1/en not_active Expired - Lifetime
- 1994-06-16 WO PCT/IB1994/000158 patent/WO1994029980A1/en active IP Right Grant
- 1994-06-16 KR KR1020027005460A patent/KR100356976B1/ko active IP Right Grant
- 1994-06-16 KR KR1020027005462A patent/KR100559763B1/ko active IP Right Grant
- 1994-06-16 EP EP03101046.5A patent/EP1333602B1/en not_active Expired - Lifetime
- 1994-06-16 KR KR1020027005459A patent/KR100562185B1/ko active IP Right Grant
- 1994-06-16 KR KR1020027005461A patent/KR100562186B1/ko active IP Right Grant
- 1994-06-16 EP EP00111510A patent/EP1035678B1/en not_active Expired - Lifetime
- 1994-06-16 EP EP03101045.7A patent/EP1333605B1/en not_active Expired - Lifetime
- 1994-06-16 RU RU2002113290/09A patent/RU2287903C2/ru active
- 1994-06-16 SG SG1996008853A patent/SG44858A1/en unknown
- 1994-06-16 KR KR1019950700583A patent/KR100383686B1/ko active IP Right Grant
- 1994-06-16 EP EP03101044.0A patent/EP1351422B1/en not_active Expired - Lifetime
- 1994-06-16 CN CNB001262173A patent/CN1157014C/zh not_active Expired - Lifetime
- 1994-06-16 DE DE69432782T patent/DE69432782T2/de not_active Expired - Lifetime
- 1994-06-16 DE DE69435329T patent/DE69435329D1/de not_active Expired - Lifetime
- 1994-06-16 CN CN94190376A patent/CN1066596C/zh not_active Expired - Lifetime
- 1994-06-16 US US08/381,997 patent/US5619491A/en not_active Expired - Lifetime
- 1994-06-16 JP JP50154195A patent/JP3685803B2/ja not_active Expired - Lifetime
- 1994-07-14 TW TW083106431A patent/TW320799B/zh not_active IP Right Cessation
-
2003
- 2003-02-17 RU RU2003104618/09A patent/RU2315430C2/ru active
-
2004
- 2004-01-29 JP JP2004021829A patent/JP4049747B2/ja not_active Expired - Lifetime
- 2004-01-29 JP JP2004021831A patent/JP4049749B2/ja not_active Expired - Lifetime
- 2004-01-29 JP JP2004021830A patent/JP4049748B2/ja not_active Expired - Lifetime
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6469995B1 (en) | 1998-04-23 | 2002-10-22 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US6898196B2 (en) | 1998-04-23 | 2005-05-24 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US7206302B2 (en) | 1998-04-23 | 2007-04-17 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in a mobile radio communication system, and mobile radio communication method |
US7218646B2 (en) | 1998-04-23 | 2007-05-15 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US7379476B2 (en) | 1998-04-23 | 2008-05-27 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in a mobile radio communication system, and mobile radio communication method |
US7593370B2 (en) | 1998-04-23 | 2009-09-22 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US7876730B2 (en) | 1998-04-23 | 2011-01-25 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in a mobile radio communication system, and mobile radio communication method |
US7899430B2 (en) | 1998-04-23 | 2011-03-01 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US7912015B2 (en) | 1998-04-23 | 2011-03-22 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method |
US7995541B2 (en) | 1998-04-23 | 2011-08-09 | Mitsubishi Denki Kabushiki Kaisha | Mobile radio communication system, communication appartus applied in a mobile radio communication system, and mobile radio communication method |
US9661519B2 (en) | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
US9893917B2 (en) | 2005-12-22 | 2018-02-13 | Qualcomm Incorporated | Methods and apparatus for communicating control information |
US10159006B2 (en) | 2005-12-22 | 2018-12-18 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
US10645693B2 (en) | 2005-12-22 | 2020-05-05 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a control channel |
US10959120B2 (en) | 2005-12-22 | 2021-03-23 | Qualcomm Incorporated | Methods and apparatus related to selecting control channel reporting formats |
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