TW406491B - Method and apparatus for data transmission using time gated frequency division duplexing - Google Patents
Method and apparatus for data transmission using time gated frequency division duplexing Download PDFInfo
- Publication number
- TW406491B TW406491B TW087111996A TW87111996A TW406491B TW 406491 B TW406491 B TW 406491B TW 087111996 A TW087111996 A TW 087111996A TW 87111996 A TW87111996 A TW 87111996A TW 406491 B TW406491 B TW 406491B
- Authority
- TW
- Taiwan
- Prior art keywords
- data
- base station
- memory element
- code
- data frame
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims description 29
- 239000000463 material Substances 0.000 claims description 13
- 230000002079 cooperative effect Effects 0.000 claims description 12
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 22
- 230000001934 delay Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 19
- 238000001228 spectrum Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 230000001413 cellular effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 206010011469 Crying Diseases 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 108091082572 SK family Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012771 household material Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Bidirectional Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/899,412 US6185199B1 (en) | 1997-07-23 | 1997-07-23 | Method and apparatus for data transmission using time gated frequency division duplexing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW406491B true TW406491B (en) | 2000-09-21 |
Family
ID=25410921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087111996A TW406491B (en) | 1997-07-23 | 1998-11-30 | Method and apparatus for data transmission using time gated frequency division duplexing |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6185199B1 (https=) |
| EP (1) | EP1000471B1 (https=) |
| JP (1) | JP4216461B2 (https=) |
| KR (1) | KR100732255B1 (https=) |
| CN (1) | CN1130042C (https=) |
| AR (1) | AR016375A1 (https=) |
| AT (1) | ATE445938T1 (https=) |
| AU (1) | AU758292B2 (https=) |
| CA (1) | CA2297252A1 (https=) |
| DE (1) | DE69841240D1 (https=) |
| MY (1) | MY132799A (https=) |
| TW (1) | TW406491B (https=) |
| WO (1) | WO1999005801A2 (https=) |
| ZA (1) | ZA986499B (https=) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433901B1 (ko) * | 1998-02-21 | 2004-11-06 | 삼성전자주식회사 | 이동통신시스템의시간스위칭송신다이버시티장치 |
| US7027484B1 (en) * | 1998-07-10 | 2006-04-11 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data using code division multiple access channels |
| FR2782428B1 (fr) * | 1998-08-12 | 2000-09-15 | Alsthom Cge Alcatel | Dispositif permettant des facteurs d'etalement differents tout en preservant un code d'embrouillage commun, notamment pour systeme cellulaire de radiocommunications mobiles du type a acces multiple par repartition de codes |
| US6741581B1 (en) | 1998-09-22 | 2004-05-25 | Hughes Electronics Corporation | System and method for transmitting data in frame format using an R-Rake retransmission technique with blind identification of data frames |
| US6252865B1 (en) * | 1998-10-02 | 2001-06-26 | Qualcomm, Inc. | Methods and apparatuses for fast power control of signals transmitted on a multiple access channel |
| US6274608B1 (en) | 1999-04-20 | 2001-08-14 | Novo Nordisk A/S | Compounds, their preparation and use |
| US6671292B1 (en) * | 1999-06-25 | 2003-12-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for adaptive voice buffering |
| US7586949B1 (en) * | 2000-04-03 | 2009-09-08 | Nortel Networks Limited | Interleaving data over frames communicated in a wireless channel |
| SE0003289D0 (sv) * | 2000-05-18 | 2000-09-15 | Ericsson Telefon Ab L M | Radio receiver and channel estimator |
| US6845104B2 (en) * | 2000-06-14 | 2005-01-18 | Ipr Licensing, Inc. | Receiver for time division multiplex system without explicit time slot assignment |
| AU2001288828A1 (en) * | 2000-09-14 | 2002-03-26 | Ensemble Communications, Inc. | A system and method for wireless communication in a frequency division duplexingregion |
| 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 |
| US7190683B2 (en) * | 2000-10-27 | 2007-03-13 | L-3 Communications Corporation | Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels |
| US6985510B2 (en) * | 2000-12-22 | 2006-01-10 | Qualcomm, Incorporated | Method and system for data and voice transmission over shared and dedicated channels |
| US6731668B2 (en) * | 2001-01-05 | 2004-05-04 | Qualcomm Incorporated | Method and system for increased bandwidth efficiency in multiple input—multiple output channels |
| KR100442603B1 (ko) * | 2001-03-20 | 2004-08-02 | 삼성전자주식회사 | 고속 패킷 데이터 전송 이동통신시스템에서 패킷 데이터채널 및 패킷 데이터 제어 채널을 스크램블링하기 위한장치 및 방법 |
| US20020181546A1 (en) * | 2001-03-23 | 2002-12-05 | Odenwalder Joseph P. | Preamble channels |
| AU2002311569A1 (en) * | 2002-05-03 | 2003-11-17 | Nokia Corporation | Method and circuitry for processing data |
| US20040223472A1 (en) * | 2003-03-06 | 2004-11-11 | Sankaran Sundar G. | Data randomization in a wireless communication system |
| US7016698B2 (en) * | 2003-06-26 | 2006-03-21 | Motorola, Inc. | Method and apparatus for mitigating power-control errors during a soft handoff in a wireless communication system |
| US6946981B1 (en) * | 2003-12-29 | 2005-09-20 | Intel Corporation | Transmitter and method thereon |
| CN1780187B (zh) * | 2004-11-19 | 2010-04-28 | 华为技术有限公司 | 一种分配沃尔什码的方法 |
| CN101103547A (zh) * | 2005-01-14 | 2008-01-09 | 汤姆森特许公司 | 使用执行扰码确定的瑞克搜索器的小区搜索 |
| WO2006078233A1 (en) * | 2005-01-14 | 2006-07-27 | Thomson Licensing | Ram-based scrambling code generator for cdma |
| WO2006080904A1 (en) | 2005-01-14 | 2006-08-03 | Thomson Licensing | Method and system for sub-chip resolution for secondary cell search |
| US7515876B2 (en) * | 2005-05-03 | 2009-04-07 | Agere Systems Inc. | Rake receiver with time-shared fingers |
| WO2007087602A2 (en) * | 2006-01-25 | 2007-08-02 | Texas Instruments Incorporated | Method and apparatus for increasing the number of orthogonal signals using block spreading |
| US8179996B2 (en) * | 2006-12-26 | 2012-05-15 | Stmicroelectronics S.A. | Method and device for decoding a signal |
| KR101405890B1 (ko) * | 2008-01-24 | 2014-06-13 | 에스케이 텔레콤주식회사 | 수동상호변조를 제어 및 제거하는 주파수 분할 듀플렉싱장치 및 안테나 장치 |
| CN104079515A (zh) * | 2013-03-29 | 2014-10-01 | 华为技术有限公司 | 调制模式调整的方法及调制解调器 |
| CN110474361B (zh) * | 2019-07-02 | 2020-11-17 | 浙江大学 | 共用逆变电路实现dc/ac功率变换和电力线载波通信的方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
| US5027372A (en) * | 1987-03-04 | 1991-06-25 | National Semiconductor Corp. | Differential phase shift keying modulator |
| 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 |
| US5109390A (en) | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
| US5511073A (en) | 1990-06-25 | 1996-04-23 | Qualcomm Incorporated | Method and apparatus for the formatting of data for transmission |
| US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | CDMA microcellular telephone system and distributed antenna system therefor |
| US5267261A (en) | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
| US5390166A (en) * | 1993-07-14 | 1995-02-14 | Motorola, Inc. | Method for recovering a data signal using diversity in a radio frequency, time division multiple access communication system |
| CA2127616C (en) | 1993-07-16 | 1999-02-09 | Osamu Kato | Mobile communication unit |
| ZA948134B (en) * | 1993-10-28 | 1995-06-13 | Quaqlcomm Inc | Method and apparatus for performing handoff between sectors of a common base station |
| US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
| KR960003102B1 (ko) * | 1993-12-01 | 1996-03-04 | 재단법인 한국전자통신연구소 | 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치 |
| US5497395A (en) * | 1994-04-04 | 1996-03-05 | Qualcomm Incorporated | Method and apparatus for modulating signal waveforms in a CDMA communication system |
| US5724385A (en) * | 1994-09-30 | 1998-03-03 | Qualcomm Incorporated | Serial linked interconnect for summation of multiple waveforms on a common channel |
| US5896368A (en) | 1995-05-01 | 1999-04-20 | Telefonaktiebolaget Lm Ericsson | Multi-code compressed mode DS-CDMA systems and methods |
| US5764687A (en) | 1995-06-20 | 1998-06-09 | Qualcomm Incorporated | Mobile demodulator architecture for a spread spectrum multiple access communication system |
| JP2737730B2 (ja) * | 1995-11-30 | 1998-04-08 | 日本電気株式会社 | スペクトル拡散送受信機 |
| US5768307A (en) * | 1996-09-13 | 1998-06-16 | Telefonaktiebolaget Lm Ericsson | Coherent demodulation with decision-directed channel estimation for digital communication |
| US5991284A (en) * | 1997-02-13 | 1999-11-23 | Qualcomm Inc. | Subchannel control loop |
| US5872774A (en) * | 1997-09-19 | 1999-02-16 | Qualcomm Incorporated | Mobile station assisted timing synchronization in a CDMA communication system |
-
1997
- 1997-07-23 US US08/899,412 patent/US6185199B1/en not_active Expired - Fee Related
-
1998
- 1998-07-21 EP EP98938016A patent/EP1000471B1/en not_active Expired - Lifetime
- 1998-07-21 CN CN98809381A patent/CN1130042C/zh not_active Expired - Fee Related
- 1998-07-21 ZA ZA986499A patent/ZA986499B/xx unknown
- 1998-07-21 AT AT98938016T patent/ATE445938T1/de not_active IP Right Cessation
- 1998-07-21 CA CA002297252A patent/CA2297252A1/en not_active Abandoned
- 1998-07-21 DE DE69841240T patent/DE69841240D1/de not_active Expired - Lifetime
- 1998-07-21 JP JP2000504664A patent/JP4216461B2/ja not_active Expired - Fee Related
- 1998-07-21 AU AU86632/98A patent/AU758292B2/en not_active Ceased
- 1998-07-21 WO PCT/US1998/015474 patent/WO1999005801A2/en not_active Ceased
- 1998-07-21 MY MYPI98003324A patent/MY132799A/en unknown
- 1998-07-21 KR KR1020007000783A patent/KR100732255B1/ko not_active Expired - Fee Related
- 1998-07-23 AR ARP980103629A patent/AR016375A1/es not_active Application Discontinuation
- 1998-11-30 TW TW087111996A patent/TW406491B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK1032493A1 (en) | 2001-07-20 |
| CN1130042C (zh) | 2003-12-03 |
| WO1999005801A2 (en) | 1999-02-04 |
| KR20010022211A (ko) | 2001-03-15 |
| DE69841240D1 (de) | 2009-11-26 |
| EP1000471A2 (en) | 2000-05-17 |
| AR016375A1 (es) | 2001-07-04 |
| EP1000471B1 (en) | 2009-10-14 |
| KR100732255B1 (ko) | 2007-06-25 |
| ZA986499B (en) | 1999-02-03 |
| ATE445938T1 (de) | 2009-10-15 |
| US6185199B1 (en) | 2001-02-06 |
| WO1999005801A3 (en) | 1999-05-14 |
| CN1271481A (zh) | 2000-10-25 |
| JP4216461B2 (ja) | 2009-01-28 |
| JP2001511617A (ja) | 2001-08-14 |
| AU8663298A (en) | 1999-02-16 |
| CA2297252A1 (en) | 1999-02-04 |
| MY132799A (en) | 2007-10-31 |
| AU758292B2 (en) | 2003-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW406491B (en) | Method and apparatus for data transmission using time gated frequency division duplexing | |
| TW387178B (en) | Low-delay rate detection for vairable rate communication systems | |
| TW294866B (https=) | ||
| TW408539B (en) | Method and apparatus for providing high speed data communications in a cellular environment | |
| JP4319538B2 (ja) | ブロードキャストおよびローカルキャスト通信を行うためのシステムおよび装置 | |
| TW308764B (https=) | ||
| KR101633326B1 (ko) | 전송 방법 | |
| TW313726B (https=) | ||
| TWI325250B (en) | Multiplexing on the reverse link feedbacks for multiple forward link frequencies | |
| CA2336330A1 (en) | Method and apparatus for transmitting and receiving information packets using multi-layer error detection | |
| JP2002518960A (ja) | 基地局同期とセクタ識別の高速化を実現するための方法、装置及びシステム | |
| TW376498B (en) | Information devices which select and use one out of a plurality of encryption utilization protocols for protecting copyrights of digital productions | |
| KR970060945A (ko) | 디지탈 신호 수신장치 | |
| BR9606291A (pt) | Método para o recebimento de sinais de um sistema de comunicação de espectro de propagação no qual a informação é comunicada por canais codificados ortogonais dentro de sinais de comunicação e aparelho para o recebimento sinais em um sistema de comunicação de espectro de propagação no qual a informação é comunicada sobre canais de comunicação codificados ortogonalmente dentro de sinais de comunicação transmitidos pelos assinantes do sistema | |
| KR960702223A (ko) | 통신 시스템에서 다수의 확산 코드를 이용하는 방법 및 장치(Method and Apparatus for Utilizing Multiple Spreading Codes in a Communication System) | |
| CA2397428A1 (en) | Method for transmitting/receiving information about orthogonal variable spreading factor codes assigned to user data in a high speed data packet access communication system | |
| US10064144B2 (en) | Use of correlation combination to achieve channel detection | |
| JP2820932B2 (ja) | スペクトラム拡散通信装置 | |
| JP2006504371A (ja) | 通信システム上の外部デコーダでコード結合するための方法およびシステム | |
| WO2000069139A3 (en) | Header compression | |
| US6763028B2 (en) | Transceiver apparatus | |
| AU5652500A (en) | A receiver architecture employing space time spreading and orthogonal transmit diversity techniques | |
| JPS61100046A (ja) | ル−プ伝送方法 | |
| TW461199B (en) | Receiver, CDMA telecommunications system and method of synchronizing a receiver with a transmitting station of such a system | |
| US6977918B2 (en) | Method and apparatus for processing a signal received in a high data rate communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent | ||
| MM4A | Annulment or lapse of patent due to non-payment of fees |