ES2236811T3 - Unidad de abonado para un sistema de comunicacion inalambrica cdma. - Google Patents
Unidad de abonado para un sistema de comunicacion inalambrica cdma.Info
- Publication number
- ES2236811T3 ES2236811T3 ES97928912T ES97928912T ES2236811T3 ES 2236811 T3 ES2236811 T3 ES 2236811T3 ES 97928912 T ES97928912 T ES 97928912T ES 97928912 T ES97928912 T ES 97928912T ES 2236811 T3 ES2236811 T3 ES 2236811T3
- Authority
- ES
- Spain
- Prior art keywords
- data
- phase
- channel
- code
- widening
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000012937 correction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 26
- 230000002441 reversible effect Effects 0.000 description 25
- 238000010586 diagram Methods 0.000 description 17
- 230000001413 cellular effect Effects 0.000 description 8
- 238000005562 fading Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US660438 | 1996-06-07 | ||
| US08/660,438 US5926500A (en) | 1996-05-28 | 1996-06-07 | Reduced peak-to-average transmit power high data rate CDMA wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2236811T3 true ES2236811T3 (es) | 2005-07-16 |
Family
ID=24649537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES97928912T Expired - Lifetime ES2236811T3 (es) | 1996-06-07 | 1997-06-09 | Unidad de abonado para un sistema de comunicacion inalambrica cdma. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5926500A (enExample) |
| EP (1) | EP0903019B1 (enExample) |
| JP (1) | JP3998716B2 (enExample) |
| CN (1) | CN1108035C (enExample) |
| AR (1) | AR007518A1 (enExample) |
| AT (1) | ATE288154T1 (enExample) |
| AU (1) | AU716705B2 (enExample) |
| BR (1) | BR9709559B1 (enExample) |
| CA (1) | CA2257211C (enExample) |
| DE (1) | DE69732357T2 (enExample) |
| DK (1) | DK0903019T3 (enExample) |
| ES (1) | ES2236811T3 (enExample) |
| PT (1) | PT903019E (enExample) |
| WO (1) | WO1997047098A1 (enExample) |
Families Citing this family (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970011690B1 (ko) * | 1994-11-22 | 1997-07-14 | 삼성전자 주식회사 | 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기 |
| ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
| US5926500A (en) * | 1996-05-28 | 1999-07-20 | Qualcomm Incorporated | Reduced peak-to-average transmit power high data rate CDMA wireless communication system |
| US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
| JP3317866B2 (ja) * | 1996-12-20 | 2002-08-26 | 富士通株式会社 | スペクトル拡散通信システム |
| US6424722B1 (en) | 1997-01-13 | 2002-07-23 | Micro Ear Technology, Inc. | Portable system for programming hearing aids |
| US6449662B1 (en) | 1997-01-13 | 2002-09-10 | Micro Ear Technology, Inc. | System for programming hearing aids |
| US7787647B2 (en) | 1997-01-13 | 2010-08-31 | Micro Ear Technology, Inc. | Portable system for programming hearing aids |
| US6173007B1 (en) * | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
| US6898197B1 (en) * | 1997-02-28 | 2005-05-24 | Interdigital Technology Corporation | Geolocation of a mobile terminal in a CDMA communication system |
| JP3349918B2 (ja) * | 1997-04-09 | 2002-11-25 | 沖電気工業株式会社 | 通信システム、送信装置及び受信装置 |
| DK0981914T3 (da) * | 1997-05-14 | 2007-09-17 | Qualcomm Inc | Abonnentenhed med flere kontrol- og datakilder til trådlös CDMA-kommunikation |
| US6075792A (en) | 1997-06-16 | 2000-06-13 | Interdigital Technology Corporation | CDMA communication system which selectively allocates bandwidth upon demand |
| US6285655B1 (en) * | 1997-09-08 | 2001-09-04 | Qualcomm Inc. | Method and apparatus for providing orthogonal spot beams, sectors, and picocells |
| US20020051434A1 (en) * | 1997-10-23 | 2002-05-02 | Ozluturk Fatih M. | Method for using rapid acquisition spreading codes for spread-spectrum communications |
| KR100269593B1 (ko) | 1997-12-02 | 2000-10-16 | 정선종 | 다중 채널을 위한 직교 복소 확산 방법 및 그 장치 |
| JP2002509387A (ja) * | 1997-12-12 | 2002-03-26 | トムソン ライセンシング ソシエテ アノニム | ディジタル無線電話システムのための拡大された距離範囲/適切な低品質化 |
| US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
| US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
| 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 |
| 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 |
| US6125136A (en) * | 1997-12-31 | 2000-09-26 | Sony Corporation | Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals |
| US6366863B1 (en) | 1998-01-09 | 2002-04-02 | Micro Ear Technology Inc. | Portable hearing-related analysis system |
| JP3981899B2 (ja) * | 1998-02-26 | 2007-09-26 | ソニー株式会社 | 送信方法、送信装置及び受信装置 |
| US6108810A (en) * | 1998-03-27 | 2000-08-22 | Usa Digital Radio, Inc. | Digital audio broadcasting method using puncturable convolutional code |
| KR100381012B1 (ko) | 1998-05-04 | 2003-08-19 | 한국전자통신연구원 | 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법 |
| 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 |
| RU2172078C2 (ru) * | 1998-06-30 | 2001-08-10 | Самсунг Электроникс Ко., Лтд. | Способ и устройство для соединения организованных в виде гирляндной цепи базовых приемопередающих станций путем использования мультиплексора и демультиплексоров |
| GB9814960D0 (en) * | 1998-07-10 | 1998-09-09 | Koninkl Philips Electronics Nv | Coding device and communication system using the same |
| US6366779B1 (en) * | 1998-09-22 | 2002-04-02 | Qualcomm Incorporated | Method and apparatus for rapid assignment of a traffic channel in digital cellular communication systems |
| JP3293781B2 (ja) * | 1998-09-25 | 2002-06-17 | 日本電気株式会社 | スペクトラム拡散ダイバーシティ送受信機 |
| DE19845620A1 (de) * | 1998-10-05 | 2000-04-27 | Systemonic Ag | Verfahren zum Empfang von Spreizspektrumsignalen |
| US6504827B1 (en) * | 1998-12-18 | 2003-01-07 | Lucent Technologies Inc. | Discontinuous transmission on high speed data channels |
| US6721349B1 (en) | 1999-01-28 | 2004-04-13 | Qualcomm Incorporated | Method and apparatus for reducing peak-to-average ratio in a CDMA communication system |
| SE513863C2 (sv) * | 1999-01-29 | 2000-11-20 | Ericsson Telefon Ab L M | Förfarande och anordning för klippning i ett CDMA-system |
| US6549564B1 (en) * | 1999-04-08 | 2003-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
| US6584090B1 (en) * | 1999-04-23 | 2003-06-24 | Skyworks Solutions, Inc. | System and process for shared functional block CDMA and GSM communication transceivers |
| KR100406531B1 (ko) * | 1999-05-31 | 2003-11-22 | 한국전자통신연구원 | 이동통신시스템에서 가변팩터직교확산 코드를 이용하여데이터 메시지를 변조하기 위한 장치 및 방법 |
| GB2352944B (en) | 1999-05-31 | 2004-02-11 | Korea Electronics Telecomm | Apparatus and method for moduating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication sytem |
| US6504862B1 (en) * | 1999-06-02 | 2003-01-07 | Nortel Networks Limited | Method and apparatus for reducing the ratio of peak to average power in a Gaussian signal including a CDMA signal |
| KR100585832B1 (ko) * | 1999-09-30 | 2006-06-01 | 에스케이 텔레콤주식회사 | 부호분할 다중접속 시스템의 채널 확장 장치 및 방법 |
| KR100354337B1 (ko) * | 1999-12-04 | 2002-09-28 | 한국과학기술원 | 대역 확산 통신 방식에서의 확산 변조 방식을 이용한송수신방식 및 송수신장치 |
| FI19992790A7 (fi) | 1999-12-27 | 2001-06-28 | Nokia Corp | Menetelmä signaalin koodaamiseksi, lähetin ja vastaanotin |
| ATE527827T1 (de) | 2000-01-20 | 2011-10-15 | Starkey Lab Inc | Verfahren und vorrichtung zur hörgeräteanpassung |
| AU3673001A (en) | 2000-02-07 | 2001-08-14 | Tantivy Communications, Inc. | Minimal maintenance link to support synchronization |
| US6952454B1 (en) * | 2000-03-22 | 2005-10-04 | Qualcomm, Incorporated | Multiplexing of real time services and non-real time services for OFDM systems |
| US6289039B1 (en) * | 2000-06-14 | 2001-09-11 | Linex Technologies, Inc. | Spread-spectrum communications utilizing variable throughput reduction |
| US6947180B1 (en) * | 2000-09-12 | 2005-09-20 | Motorola, Inc. | Method for reducing analog facsimile call duration over CDMA |
| US6847677B1 (en) * | 2000-09-29 | 2005-01-25 | Qualcomm, Incorporated | Method and apparatus for efficient Walsh covering and summing of signals in a communication system |
| US20030126545A1 (en) * | 2001-10-05 | 2003-07-03 | Tan Alfred Keng Tiong | Non-linear code-division multiple access technology with improved detection algorithms and error correction coding |
| US6956891B2 (en) * | 2000-11-15 | 2005-10-18 | Go-Cdma Limited | Method and apparatus for non-linear code-division multiple access technology |
| US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
| US7551663B1 (en) | 2001-02-01 | 2009-06-23 | Ipr Licensing, Inc. | Use of correlation combination to achieve channel detection |
| US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
| FR2820564B1 (fr) * | 2001-02-02 | 2003-04-18 | Nortel Networks Ltd | Dispositifs d'emission et de reception de signal module |
| US6961324B2 (en) * | 2001-05-02 | 2005-11-01 | Ipr Licensing, Inc. | System and method for interleaving compressed audio/video (A/V) data frames |
| KR100665077B1 (ko) | 2001-06-13 | 2007-01-09 | 탄티비 커뮤니케이션즈 인코포레이티드 | 하트비트 요구보다 낮은 레벨로의 하트비트 신호의 전송 |
| US7046966B2 (en) * | 2001-08-24 | 2006-05-16 | Kyocera Wireless Corp. | Method and apparatus for assigning data rate in a multichannel communication system |
| KR100452512B1 (ko) * | 2002-08-16 | 2004-10-13 | 엘지전자 주식회사 | 채널용량 개선 왈쉬코드 확산장치 및 그 운용방법 |
| US7299402B2 (en) * | 2003-02-14 | 2007-11-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Power control for reverse packet data channel in CDMA systems |
| US8254358B2 (en) | 2003-03-06 | 2012-08-28 | Ericsson Ab | Communicating a broadcast message to change data rates of mobile stations |
| JP2004297231A (ja) * | 2003-03-26 | 2004-10-21 | Nec Corp | 移動通信システム、無線基地局装置及びそれらに用いる電力制御方法 |
| US7180384B2 (en) * | 2005-05-23 | 2007-02-20 | Analog Devices, Inc. | Universal signal modulators |
| US7729433B2 (en) * | 2006-03-07 | 2010-06-01 | Motorola, Inc. | Method and apparatus for hybrid CDM OFDMA wireless transmission |
| US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
| CA2601662A1 (en) | 2006-09-18 | 2008-03-18 | Matthias Mullenborn | Wireless interface for programming hearing assistance devices |
| US8144570B2 (en) * | 2006-09-26 | 2012-03-27 | Nokia Corporation | Apparatus, method and computer program product providing multiplexing for data-non-associated control channel |
| WO2008038114A2 (en) * | 2006-09-26 | 2008-04-03 | Nokia Corporation | Apparatus, method and computer program product providing sequence modulation for uplink control signaling |
| GB0619530D0 (en) | 2006-10-03 | 2006-11-15 | Nokia Corp | Signalling |
| US8010865B2 (en) | 2007-01-30 | 2011-08-30 | Via Telecom, Inc. | System and method for encoding and decoding in wireless communication systems |
| AR067299A1 (es) | 2007-03-30 | 2009-10-07 | Interdigital Tech Corp | Control de potencia en sub-canales ortogonales en sistemas de comunicaciones inalambricas |
| EP2434640B1 (en) * | 2010-09-24 | 2012-12-05 | Telefonaktiebolaget L M Ericsson (PUBL) | Correction of imbalances in a complex intermediate frequency mixer |
| WO2014200102A1 (ja) * | 2013-06-14 | 2014-12-18 | 株式会社瑞光 | 超音波ホーン、これを備えた溶着機、及び超音波ホーンを用いた使い捨ておむつの製造方法 |
Family Cites Families (117)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2562180A (en) * | 1949-04-12 | 1951-07-31 | Curtiss Candy Company | Article dispenser |
| US4361890A (en) * | 1958-06-17 | 1982-11-30 | Gte Products Corporation | Synchronizing system |
| US3169171A (en) * | 1962-07-17 | 1965-02-09 | Stephen R Steinberg | Disposable sanitary cover for telephones |
| US3310631A (en) * | 1963-06-03 | 1967-03-21 | Itt | Communication system for the selective transmission of speech and data |
| US3715508A (en) * | 1967-09-15 | 1973-02-06 | Ibm | Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences |
| US4179658A (en) * | 1968-08-23 | 1979-12-18 | The United States Of America As Represented By The Secretary Of The Army | Secret-signalling system utilizing noise communication |
| DE2048055C1 (de) * | 1970-09-30 | 1978-04-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Feststellung der |
| DE2054734C1 (de) * | 1970-11-06 | 1980-10-23 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Synchronisation eines Übertragungssystems |
| DE2245189C3 (de) * | 1971-09-18 | 1980-09-25 | Fujitsu Ltd., Kawasaki, Kanagawa (Japan) | Vorrichtung zur Übertragung eines restseitenbandträgermodulierten Mehrpegelsignals und eines Synchronisier-Pilotsignals |
| US3795864A (en) * | 1972-12-21 | 1974-03-05 | Western Electric Co | Methods and apparatus for generating walsh functions |
| US4002991A (en) * | 1975-01-29 | 1977-01-11 | Nippon Gakki Seizo Kabushiki Kaisha | Pilot signal extracting circuitry |
| US4052565A (en) * | 1975-05-28 | 1977-10-04 | Martin Marietta Corporation | Walsh function signal scrambler |
| US4017798A (en) * | 1975-09-08 | 1977-04-12 | Ncr Corporation | Spread spectrum demodulator |
| US4048563A (en) * | 1975-10-17 | 1977-09-13 | The United States Of America As Represented By The Secretary Of The Navy | Carrier-modulated coherency monitoring system |
| US4020461A (en) * | 1975-11-18 | 1977-04-26 | Trw Inc. | Method of and apparatus for transmitting and receiving coded digital signals |
| US4092601A (en) * | 1976-06-01 | 1978-05-30 | The Charles Stark Draper Laboratory, Inc. | Code tracking signal processing system |
| US4100376A (en) * | 1977-01-03 | 1978-07-11 | Raytheon Company | Pilot tone demodulator |
| US4217586A (en) * | 1977-05-16 | 1980-08-12 | General Electric Company | Channel estimating reference signal processor for communication system adaptive antennas |
| US4164628A (en) * | 1977-06-06 | 1979-08-14 | International Telephone And Telegraph Corporation | Processor for multiple, continuous, spread spectrum signals |
| US4188580A (en) * | 1977-10-20 | 1980-02-12 | Telesync Corporation | Secure communication system |
| US4308617A (en) * | 1977-11-07 | 1981-12-29 | The Bendix Corporation | Noiselike amplitude and phase modulation coding for spread spectrum transmissions |
| US4193031A (en) * | 1978-03-13 | 1980-03-11 | Purdue Research Foundation | Method of signal transmission and reception utilizing wideband signals |
| US4222115A (en) * | 1978-03-13 | 1980-09-09 | Purdue Research Foundation | Spread spectrum apparatus for cellular mobile communication systems |
| US4189677A (en) * | 1978-03-13 | 1980-02-19 | Purdue Research Foundation | Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system |
| US4291409A (en) * | 1978-06-20 | 1981-09-22 | The Mitre Corporation | Spread spectrum communications method and apparatus |
| US4203070A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number code detection and tracking system |
| US4203071A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number-code-detection and tracking system |
| US4247939A (en) * | 1978-11-09 | 1981-01-27 | Sanders Associates, Inc. | Spread spectrum detector |
| US4301530A (en) * | 1978-12-18 | 1981-11-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal spread spectrum time division multiple accessing mobile subscriber access system |
| US4313211A (en) * | 1979-08-13 | 1982-01-26 | Bell Telephone Laboratories, Incorporated | Single sideband receiver with pilot-based feed forward correction for motion-induced distortion |
| US4287577A (en) * | 1979-09-27 | 1981-09-01 | Communications Satellite Corporation | Interleaved TDMA terrestrial interface buffer |
| US4291410A (en) * | 1979-10-24 | 1981-09-22 | Rockwell International Corporation | Multipath diversity spread spectrum receiver |
| US4276646A (en) * | 1979-11-05 | 1981-06-30 | Texas Instruments Incorporated | Method and apparatus for detecting errors in a data set |
| IT1119972B (it) * | 1979-12-13 | 1986-03-19 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso |
| NL189062C (nl) * | 1980-02-15 | 1992-12-16 | Philips Nv | Werkwijze en stelsel voor overdracht van datapakketten. |
| US4309769A (en) * | 1980-02-25 | 1982-01-05 | Harris Corporation | Method and apparatus for processing spread spectrum signals |
| DE3010969A1 (de) | 1980-03-21 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Pcm-system mit sendeseitigem verwuerfler und empfangsseitigem entwuerfler |
| DE3012513C2 (de) * | 1980-03-31 | 1984-04-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Überwachung analoger und digitaler Funkverbindungen |
| US4451916A (en) * | 1980-05-12 | 1984-05-29 | Harris Corporation | Repeatered, multi-channel fiber optic communication network having fault isolation system |
| DE3023375C1 (enExample) * | 1980-06-23 | 1987-12-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
| US4730340A (en) * | 1980-10-31 | 1988-03-08 | Harris Corp. | Programmable time invariant coherent spread symbol correlator |
| US4361891A (en) * | 1980-12-22 | 1982-11-30 | General Electric Company | Spread spectrum signal estimator |
| US4434323A (en) * | 1981-06-29 | 1984-02-28 | Motorola, Inc. | Scrambler key code synchronizer |
| JPS592463A (ja) * | 1982-06-29 | 1984-01-09 | Fuji Xerox Co Ltd | 再送制御方式 |
| GB2125654B (en) | 1982-08-13 | 1986-01-29 | Hazeltine Corp | Intranetwork code division multiple access communication system |
| US4472815A (en) * | 1982-09-27 | 1984-09-18 | The United States Of America As Represented By The Secretary Of The Army | Pulse interference cancelling system for spread spectrum signals |
| US4484335A (en) * | 1982-10-14 | 1984-11-20 | E-Systems, Inc. | Method and apparatus for despreading a spread spectrum signal at baseband |
| US4559633A (en) * | 1982-10-22 | 1985-12-17 | Hitachi, Ltd. | Spread spectrum system |
| US4551853A (en) * | 1982-10-28 | 1985-11-05 | Thomson Csf | Apparatus for processing speech in radioelectric transmitter/receiver equipment suitable for transmitting and receiving speech |
| US4460992A (en) * | 1982-11-04 | 1984-07-17 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal CDMA system utilizing direct sequence pseudo noise codes |
| JPS59115640A (ja) | 1982-12-22 | 1984-07-04 | Nec Corp | 秘話信号伝送方式 |
| US4501002A (en) * | 1983-02-28 | 1985-02-19 | Auchterlonie Richard C | Offset QPSK demodulator and receiver |
| US4512024A (en) * | 1983-06-29 | 1985-04-16 | The United States Of America As Represented By The Secretary Of The Army | Impulse autocorrelation function communications system |
| US4649549A (en) * | 1983-08-30 | 1987-03-10 | Sophisticated Signals And Circuits | Apparatus for synchronizing linear PN sequences |
| US4688035A (en) * | 1983-11-28 | 1987-08-18 | International Business Machines Corp. | End user data stream syntax |
| US4601047A (en) * | 1984-03-23 | 1986-07-15 | Sangamo Weston, Inc. | Code division multiplexer using direct sequence spread spectrum signal processing |
| US4567588A (en) * | 1984-03-23 | 1986-01-28 | Sangamo Weston, Inc. | Synchronization system for use in direct sequence spread spectrum signal receiver |
| US4561089A (en) * | 1984-03-23 | 1985-12-24 | Sangamo Weston, Inc. | Correlation detectors for use in direct sequence spread spectrum signal receiver |
| US4607375A (en) * | 1984-10-17 | 1986-08-19 | Itt Corporation | Covert communication system |
| US4621365A (en) * | 1984-11-16 | 1986-11-04 | Hughes Aircraft Company | Synchronization preamble correlation detector and frequency estimator |
| US4635221A (en) * | 1985-01-18 | 1987-01-06 | Allied Corporation | Frequency multiplexed convolver communication system |
| US4630283A (en) * | 1985-07-17 | 1986-12-16 | Rca Corporation | Fast acquisition burst mode spread spectrum communications system with pilot carrier |
| US4665514A (en) * | 1985-08-02 | 1987-05-12 | American Telephone And Telegraph Company, At&T Bell Laboratories | Integrated voice/data network |
| US4785463A (en) * | 1985-09-03 | 1988-11-15 | Motorola, Inc. | Digital global positioning system receiver |
| US4669089A (en) * | 1985-09-30 | 1987-05-26 | The Boeing Company | Suppressed clock pulse-duration modulator for direct sequence spread spectrum transmission systems |
| US4672658A (en) * | 1985-10-16 | 1987-06-09 | At&T Company And At&T Bell Laboratories | Spread spectrum wireless PBX |
| US4700341A (en) | 1985-10-30 | 1987-10-13 | Racal Data Communications Inc. | Stochastic time division multiplexing |
| US4703474A (en) * | 1986-02-28 | 1987-10-27 | American Telephone And Telegraph Company, At&T Bell Laboratories | Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system |
| AU5589086A (en) | 1986-03-25 | 1987-10-20 | Motorola, Inc. | Method and apparatus for controlling a tdm communication device |
| US4754450A (en) * | 1986-03-25 | 1988-06-28 | Motorola, Inc. | TDM communication system for efficient spectrum utilization |
| JP2521925B2 (ja) | 1986-10-14 | 1996-08-07 | 日本電気株式会社 | 畳み込み符号器 |
| US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
| US4813040A (en) * | 1986-10-31 | 1989-03-14 | Futato Steven P | Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel |
| NL8700930A (nl) * | 1987-04-17 | 1988-11-16 | Hollandse Signaalapparaten Bv | Systeem van orthogonaal werkende codegeneratoren, radio's voorzien van een codegenerator en codegeneratoren van zo'n systeem. |
| US4809295A (en) * | 1987-04-20 | 1989-02-28 | Unisys Corporation | Code lengthening system |
| JP2624964B2 (ja) * | 1987-06-09 | 1997-06-25 | キヤノン株式会社 | 無線通信装置 |
| US5199045A (en) * | 1987-06-09 | 1993-03-30 | Canon Kabushiki Kaisha | Communication apparatus |
| US4894842A (en) * | 1987-10-15 | 1990-01-16 | The Charles Stark Draper Laboratory, Inc. | Precorrelation digital spread spectrum receiver |
| FR2629931B1 (fr) * | 1988-04-08 | 1991-01-25 | Lmt Radio Professionelle | Correlateur numerique asynchrone et demodulateurs comportant un tel correlateur |
| JPH0234059A (ja) * | 1988-07-25 | 1990-02-05 | Mitsubishi Electric Corp | ノード装置の処理方式 |
| US4980897A (en) * | 1988-08-12 | 1990-12-25 | Telebit Corporation | Multi-channel trellis encoder/decoder |
| JPH06103873B2 (ja) * | 1988-09-01 | 1994-12-14 | 三菱電機株式会社 | 直交系列発生方式 |
| JPH069349B2 (ja) * | 1988-09-16 | 1994-02-02 | 日本ビクター株式会社 | スペクトル拡散通信方式 |
| US5260969A (en) * | 1988-11-14 | 1993-11-09 | Canon Kabushiki Kaisha | Spectrum diffusion communication receiving apparatus |
| US4951150A (en) * | 1989-03-01 | 1990-08-21 | Foresight, Inc. | Optical projection system |
| US4942591A (en) * | 1989-03-07 | 1990-07-17 | Agilis Corporation | Multiple phase PSK demodulator |
| JP2603717B2 (ja) * | 1989-03-09 | 1997-04-23 | 三菱電機株式会社 | サイクリックデータ伝送方法 |
| US5022046A (en) * | 1989-04-14 | 1991-06-04 | The United States Of America As Represented By The Secretary Of The Air Force | Narrowband/wideband packet data communication system |
| US5274836A (en) * | 1989-08-08 | 1993-12-28 | Gde Systems, Inc. | Multiple encoded carrier data link |
| GB2236454A (en) * | 1989-09-01 | 1991-04-03 | Philips Electronic Associated | Communications system for radio telephones |
| JP2733110B2 (ja) | 1989-09-19 | 1998-03-30 | 日本電信電話株式会社 | 無線信号伝送方式 |
| US4962507A (en) * | 1989-09-29 | 1990-10-09 | Hughes Aircraft Company | Feed forward spread spectrum signal processor |
| US5056109A (en) * | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
| US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
| US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
| US5005169A (en) * | 1989-11-16 | 1991-04-02 | Westinghouse Electric Corp. | Frequency division multiplex guardband communication system for sending information over the guardbands |
| US5136586A (en) * | 1989-12-04 | 1992-08-04 | Academy Of Applied Science | Method and apparatus for telephone line multiplex channeling of toll-quality voice and digital information |
| US5150387A (en) * | 1989-12-21 | 1992-09-22 | Kabushiki Kaisha Toshiba | Variable rate encoding and communicating apparatus |
| US5091940A (en) * | 1990-01-16 | 1992-02-25 | Hughes Aircraft Company | Data router with burst shuffling and deshuffling output buffers |
| JP2540968B2 (ja) | 1990-02-27 | 1996-10-09 | 日本電気株式会社 | 多方向多重通信方式 |
| JP2675890B2 (ja) * | 1990-03-06 | 1997-11-12 | キヤノン株式会社 | スペクトラム拡散通信装置 |
| US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| FR2670973B1 (fr) * | 1990-12-19 | 1994-04-15 | Ouest Standard Telematique Sa | Systeme de transmission par paquets a compression de donnees, procede et equipement correspondant. |
| US5204876A (en) * | 1991-03-13 | 1993-04-20 | Motorola, Inc. | Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
| JP2973675B2 (ja) | 1991-07-22 | 1999-11-08 | 日本電気株式会社 | 可変レート伝送に適した符号化復号方式及び装置 |
| US5218639A (en) * | 1991-12-02 | 1993-06-08 | Gte Government Systems Corporation | Method and apparatus for changing bit rate of digitized analog |
| JPH05219016A (ja) * | 1991-12-09 | 1993-08-27 | Matsushita Electric Ind Co Ltd | 送受信回路 |
| US5550809A (en) | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
| US5341396A (en) * | 1993-03-02 | 1994-08-23 | The Boeing Company | Multi-rate spread system |
| US5329547A (en) * | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
| MY112371A (en) * | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
| KR960003102B1 (ko) | 1993-12-01 | 1996-03-04 | 재단법인 한국전자통신연구소 | 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치 |
| US5418813A (en) | 1993-12-06 | 1995-05-23 | Motorola, Inc. | Method and apparatus for creating a composite waveform |
| WO1995023464A1 (en) * | 1994-02-25 | 1995-08-31 | Motorola Inc. | Method and apparatus for time division multiplexing the use of spreading codes in a communication system |
| US5442625A (en) | 1994-05-13 | 1995-08-15 | At&T Ipm Corp | Code division multiple access system providing variable data rate access to a user |
| US5623485A (en) | 1995-02-21 | 1997-04-22 | Lucent Technologies Inc. | Dual mode code division multiple access communication system and method |
| US5926500A (en) * | 1996-05-28 | 1999-07-20 | Qualcomm Incorporated | Reduced peak-to-average transmit power high data rate CDMA wireless communication system |
-
1996
- 1996-06-07 US US08/660,438 patent/US5926500A/en not_active Expired - Lifetime
-
1997
- 1997-06-06 AR ARP970102476A patent/AR007518A1/es active IP Right Grant
- 1997-06-09 AU AU33064/97A patent/AU716705B2/en not_active Expired
- 1997-06-09 PT PT97928912T patent/PT903019E/pt unknown
- 1997-06-09 CN CN97197104A patent/CN1108035C/zh not_active Expired - Lifetime
- 1997-06-09 DE DE69732357T patent/DE69732357T2/de not_active Expired - Lifetime
- 1997-06-09 EP EP97928912A patent/EP0903019B1/en not_active Expired - Lifetime
- 1997-06-09 JP JP50091298A patent/JP3998716B2/ja not_active Expired - Lifetime
- 1997-06-09 AT AT97928912T patent/ATE288154T1/de active
- 1997-06-09 DK DK97928912T patent/DK0903019T3/da active
- 1997-06-09 WO PCT/US1997/009959 patent/WO1997047098A1/en not_active Ceased
- 1997-06-09 BR BRPI9709559-1A patent/BR9709559B1/pt not_active IP Right Cessation
- 1997-06-09 ES ES97928912T patent/ES2236811T3/es not_active Expired - Lifetime
- 1997-06-09 CA CA002257211A patent/CA2257211C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1108035C (zh) | 2003-05-07 |
| DE69732357T2 (de) | 2006-05-11 |
| US5926500A (en) | 1999-07-20 |
| AR007518A1 (es) | 1999-11-10 |
| WO1997047098A1 (en) | 1997-12-11 |
| BR9709559A (pt) | 2000-01-11 |
| EP0903019A1 (en) | 1999-03-24 |
| EP0903019B1 (en) | 2005-01-26 |
| JP3998716B2 (ja) | 2007-10-31 |
| AU716705B2 (en) | 2000-03-02 |
| JP2000512449A (ja) | 2000-09-19 |
| DK0903019T3 (da) | 2005-05-23 |
| BR9709559B1 (pt) | 2010-11-03 |
| PT903019E (pt) | 2005-05-31 |
| AU3306497A (en) | 1998-01-05 |
| CA2257211C (en) | 2007-06-05 |
| ATE288154T1 (de) | 2005-02-15 |
| CA2257211A1 (en) | 1997-12-11 |
| DE69732357D1 (de) | 2005-03-03 |
| HK1020462A1 (en) | 2000-04-20 |
| CN1228212A (zh) | 1999-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2236811T3 (es) | Unidad de abonado para un sistema de comunicacion inalambrica cdma. | |
| ES2345279T3 (es) | Unidad de abonado y procedimiento para su uso en un sistema de comunicacion inalambrica. | |
| ES2225975T3 (es) | Unidad de abonado para el sistema de comunicacion inalambrica cdma. | |
| ES2286851T3 (es) | Unidad de abonado con fuentes plurales de datos y control para sistema de comunicacion inalambrica cdma. | |
| US6173007B1 (en) | High-data-rate supplemental channel for CDMA telecommunications system | |
| US6539050B1 (en) | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission | |
| KR100686776B1 (ko) | 다중 캐리어 시스템에서의 데이터 전송 방법 및 장치 | |
| KR100472692B1 (ko) | Cdma무선통신시스템용가입자유닛 | |
| HK1018993B (en) | Subscriber unit for cdma wireless communication system |