KR100383575B1 - 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 - Google Patents
단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 Download PDFInfo
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- KR100383575B1 KR100383575B1 KR1019980017046A KR19980017046A KR100383575B1 KR 100383575 B1 KR100383575 B1 KR 100383575B1 KR 1019980017046 A KR1019980017046 A KR 1019980017046A KR 19980017046 A KR19980017046 A KR 19980017046A KR 100383575 B1 KR100383575 B1 KR 100383575B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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Abstract
Description
Claims (14)
- 이동통신시스템 단말기의 송신전력에서 피크전력 대 평균전력비을 줄이기 위한 확산변조방법에 있어서,의사잡음 시퀀스의 각 칩에 응답하여 매 두개의 연속하는 칩들간의 실수영역 또는 허수영역 중 한 영역 내에서 위상차가 90°가 되도록 복소확산시퀀스를 발생하는 제1과정과,상기 복소확산시퀀스를 가지고 상기 단말기에서 송신할 매 두 개의 연속하는 데이터들간 위상차가 90˚가 되도록 확산변조하는 제2과정으로 이루어짐을 특징으로 하는 확산변조방법.
- 제1항에 있어서, 상기 제1과정은상기 의사잡음 시퀀스내에 칩들에 미리 정해진 위상값을 곱하여 위상 변환된 칩들을 제공하는 단계와,상기 위상 변환된 칩들의 각각을 위상으로 하여 상기 위상 변환된 칩들을 복소데이터들로 변환하는 단계와,상기 변환된 복소데이터들의 각각과 이것의 바로 이전의 상기 변환된 복소데이터를 곱하여 상기 복소확산시퀀스내의 상기 복수의 칩들을 발생하는 단계로 이루어짐을 특징으로 하는 확산변조방법.
- 제2항에 있어서, 상기 미리 정해진 위상값이 ±이거나 ±임을 특징으로 하는 확산변조방법.
- 제1항에 있어서, 상기 제1과정은상기 의사잡음 시퀀스내 칩들 각각과 이것의 바로 이전 칩들 각각을 더하여 더해진 칩들을 제공하는 단계와,상기 더해진 칩들을 복소데이터들로 변환하여 상기 복소확산시퀀스내의 상기 복소의 칩들을 발생하는 단계로 이루어짐을 특징으로 확산변조방법.
- 제4항에 있어서, 상기 더해진 칩들을 상기 복수데이터들로 변환시 복수함수 exp[j(π/2(·))]을 이용함을 특징으로 하는 확산변조방법.
- 제1항에 있어서, 상기 의사잡음시퀀스를 포함 가능한 독립된 의사잡음시퀀스를 이용해 상기 확변조 단말기의 송신 데이터를 재확산하는 과정을 더 가짐을 특징으로 하는 확산변조방법.
- 이동통신시스템 단말기의 송신전력에서 피크전력 대 평균전력비을 줄이기 위한 확산변조장치에 있어서,의사잡음 시퀀스의 각 칩에 응답하여 매 두개의 연속하는 칩들간의 실수영역또는 허수영역 중 한 영역 내에서 위상차가 90°가 되도록 복소확산시퀀스를 발생하는 복소확산시퀀스 발생기와,상기 복소확산시퀀스를 가지고 상기 단말기에서 송신함 매 두 개의 연속하는 데이터들간 위상차가 90˚가 되도록 확산변조하는 확산기를 구비함을 특징으로 하는 확산변조장치.
- 제7항에 있어서, 상기 복소확산시퀀스 발생기는,상기 의사잡음 시퀀스내에 매 칩들에 미리 정해진 위상값을 곱하여 위상 변환된 칩들을 제공하는 곱셈기와,상기 위상 변환된 칩들의 각각을 위상으로 하여 상기 위상 변환된 칩들을 복소데이터들로 변환하는 복소데이터 생성기와,상기 변환된 복소데이터들의 각각과 이것의 이전의 상기 변환된 복소데이터를 곱하여 상기 복소확산시퀀스내의 상기 복수의 칩들을 발생하는 복소곱셈기로 구성함을 특징으로 하는 확산변조장치.
- 제8항에 있어서, 상기 미리 정해진 위상값이 ±이거나 ±임을 특징으로 하는 확산변조장치.
- 제7항에 있어서, 상기 복소확산시퀀스 발생기는,상기 의사잡음 시퀀스내 칩들 각각과 이것의 바로 이전 칩들 각각을 더하여 더해진 칩들을 제공하는 덧셈기와,상기 더해진 칩들을 복소데이터들로 변환하여 상기 복소확산시퀀스내의 상기 복수의 칩들을 발생하는 복소데이터 생성기를 구비함을 특징으로 확산변조장치.
- 제10항에 있어서, 상기 복소데이터 생성기는 상기 더해진 칩들을 상기 복수데이터들로 변환시 복수함수 exp[j(π/2(·))]을 이용함을 특징으로 하는 확산변조장치.
- 제7항에 있어서, 상기 의사잡음시퀀스를 포함 가능한 독립된 의사잡음시퀀스를 이용해 상기 확변조 단말기의 송신 데이터를 재확산하는 재확산기를 더 구비함을 특징으로 하는 확산변조장치.
- 제2항에 있어서, 상기 위상 변환된 칩들을 상기 복수데이터들로 변환시 복수함수 exp(j[·])을 이용함을 특징으로 하는 확산변조장치.
- 제8항에 있어서, 상기 위상 변환된 칩들을 상기 복수데이터들로 변환시 복수함수 exp(j[·])을 이용함을 특징으로 하는 확산변조장치.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980017046A KR100383575B1 (ko) | 1998-05-12 | 1998-05-12 | 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 |
AU37351/99A AU729775B2 (en) | 1998-05-12 | 1999-05-12 | Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power |
CA002293465A CA2293465C (en) | 1998-05-12 | 1999-05-12 | Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power |
CN99800694.7A CN1114282C (zh) | 1998-05-12 | 1999-05-12 | 减小移动台发射功率的蜂值与平均值功率比的装置和方法 |
DE69936498T DE69936498T2 (de) | 1998-05-12 | 1999-05-12 | Gerät und verfahren zur verminderung des verhältnisses von spitzen- zu durchschnittsleistung der sendeleistungsstärke einer mobilstation |
US09/310,389 US6459723B1 (en) | 1998-05-12 | 1999-05-12 | Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power |
BR9906499-5A BR9906499A (pt) | 1998-05-12 | 1999-05-12 | Processo e dispositivo para a redução da razão de energia de pico para média da energia de transmissão de uma estação móvel em um sistema de comunicação móvel. |
JP2000548971A JP3419760B1 (ja) | 1998-05-12 | 1999-05-12 | 端末機送信電力のピーク電力対平均電力比を低減するための方法及び装置 |
RU2000100338A RU2197778C2 (ru) | 1998-05-12 | 1999-05-12 | Способ уменьшения отношения пиковой мощности к средней мощности передачи мобильной станции и устройство для его осуществления |
PCT/KR1999/000234 WO1999059265A1 (en) | 1998-05-12 | 1999-05-12 | Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power |
EP99919693A EP0997011B1 (en) | 1998-05-12 | 1999-05-12 | Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980017046A KR100383575B1 (ko) | 1998-05-12 | 1998-05-12 | 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990084970A KR19990084970A (ko) | 1999-12-06 |
KR100383575B1 true KR100383575B1 (ko) | 2004-06-26 |
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KR1019980017046A Expired - Fee Related KR100383575B1 (ko) | 1998-05-12 | 1998-05-12 | 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3419760B1 (ko) |
KR (1) | KR100383575B1 (ko) |
CA (1) | CA2293465C (ko) |
DE (1) | DE69936498T2 (ko) |
RU (1) | RU2197778C2 (ko) |
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- 1998-05-12 KR KR1019980017046A patent/KR100383575B1/ko not_active Expired - Fee Related
-
1999
- 1999-05-12 CA CA002293465A patent/CA2293465C/en not_active Expired - Fee Related
- 1999-05-12 RU RU2000100338A patent/RU2197778C2/ru not_active IP Right Cessation
- 1999-05-12 JP JP2000548971A patent/JP3419760B1/ja not_active Expired - Fee Related
- 1999-05-12 DE DE69936498T patent/DE69936498T2/de not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CA2293465C (en) | 2003-04-29 |
DE69936498D1 (de) | 2007-08-23 |
JP3419760B1 (ja) | 2003-06-23 |
JP2004500726A (ja) | 2004-01-08 |
DE69936498T2 (de) | 2007-10-31 |
KR19990084970A (ko) | 1999-12-06 |
RU2197778C2 (ru) | 2003-01-27 |
CA2293465A1 (en) | 1999-11-18 |
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