KR20020049025A - 다중반송파 통신 시스템의 반송파 위상을 스크램블하기위한 시스템 및 장치 - Google Patents

다중반송파 통신 시스템의 반송파 위상을 스크램블하기위한 시스템 및 장치 Download PDF

Info

Publication number
KR20020049025A
KR20020049025A KR1020027005830A KR20027005830A KR20020049025A KR 20020049025 A KR20020049025 A KR 20020049025A KR 1020027005830 A KR1020027005830 A KR 1020027005830A KR 20027005830 A KR20027005830 A KR 20027005830A KR 20020049025 A KR20020049025 A KR 20020049025A
Authority
KR
South Korea
Prior art keywords
carrier signal
carrier
signal
value
phase
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.)
Ceased
Application number
KR1020027005830A
Other languages
English (en)
Korean (ko)
Inventor
마르코스 씨. 챠니스
Original Assignee
추후제출
어웨어, 인크.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 추후제출, 어웨어, 인크. filed Critical 추후제출
Publication of KR20020049025A publication Critical patent/KR20020049025A/ko
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2621—Reduction thereof using phase offsets between subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1020027005830A 1999-11-09 2000-11-09 다중반송파 통신 시스템의 반송파 위상을 스크램블하기위한 시스템 및 장치 Ceased KR20020049025A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16413499P 1999-11-09 1999-11-09
US60/164,134 1999-11-09
PCT/US2000/030958 WO2001035591A2 (en) 1999-11-09 2000-11-09 Par reduction by carriers phase randomization in multicarrier communications

Publications (1)

Publication Number Publication Date
KR20020049025A true KR20020049025A (ko) 2002-06-24

Family

ID=22593124

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027005830A Ceased KR20020049025A (ko) 1999-11-09 2000-11-09 다중반송파 통신 시스템의 반송파 위상을 스크램블하기위한 시스템 및 장치

Country Status (6)

Country Link
EP (1) EP1228615A2 (enExample)
JP (2) JP2003514444A (enExample)
KR (1) KR20020049025A (enExample)
AU (1) AU1596401A (enExample)
CA (1) CA2387812A1 (enExample)
WO (1) WO2001035591A2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3860762B2 (ja) 2002-02-14 2006-12-20 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、チャネル同期確立方法、及び移動局
US7313188B2 (en) 2003-06-30 2007-12-25 Motorola, Inc. Subcarrier time offsets for improved peak-to-average power of a transmitter
US7336716B2 (en) * 2004-06-30 2008-02-26 Intel Corporation Power amplifier linearization methods and apparatus using predistortion in the frequency domain
JP5139442B2 (ja) 2007-10-30 2013-02-06 京セラ株式会社 無線通信システム、基地局、端末及び通信方法
EP3920495B1 (en) 2008-01-29 2023-05-03 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving preambles in a digital video broadcasting system
KR101469977B1 (ko) * 2008-01-29 2014-12-10 삼성전자주식회사 디지털 비디오 방송 시스템에서 프리앰블 송수신 장치 및방법
EP2264917A4 (en) 2008-03-10 2013-05-01 Sumitomo Electric Industries OPTICAL COMMUNICATION SYSTEM

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1259012B (it) * 1992-07-27 1996-03-11 Alcatel Italia Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico
US5682376A (en) * 1994-12-20 1997-10-28 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor
US6240513B1 (en) * 1997-01-03 2001-05-29 Fortress Technologies, Inc. Network security device
GB2330491B (en) * 1997-10-15 2002-06-12 British Broadcasting Corp Digital broadcast systems
US6061574A (en) * 1997-10-28 2000-05-09 Motorola, Inc. Method and apparatus in a wireless communication system for reducing errors caused by intersymbol interference during a simulcast transmission
SE9704497L (sv) * 1997-12-03 1999-06-04 Telia Ab Förbättringar av, eller med avseende på, data scramblers

Also Published As

Publication number Publication date
JP2003514444A (ja) 2003-04-15
WO2001035591A3 (en) 2002-01-17
AU1596401A (en) 2001-06-06
JP2007129755A (ja) 2007-05-24
CA2387812A1 (en) 2001-05-17
WO2001035591A2 (en) 2001-05-17
EP1228615A2 (en) 2002-08-07

Similar Documents

Publication Publication Date Title
US10187240B2 (en) System and method for scrambling the phase of the carriers in a multicarrier communications system
US7391714B2 (en) Point to multipoint system and process for the transmission over the electricity network of digital data
US8254478B2 (en) Method for limiting local bandwidth impairment using tone reservation
KR20020049025A (ko) 다중반송파 통신 시스템의 반송파 위상을 스크램블하기위한 시스템 및 장치
Armstrong OFDM–orthogonal frequency division multiplexing
Mohapatra A new approach for performance improvement of OFDM system using pulse shaping
US6483869B1 (en) Frequency decimated DMT modulation modem
US20050141410A1 (en) Method of reducing peak-to-average ratio in multi-carrier communications systems
Latif et al. Performance of hybrid MQAM-LFSK (HQFM) OFDM transceiver in Rayleigh fading channels
KR100325422B1 (ko) 멀티 캐리어를 가진 무반송파 진폭 변조/위상 변조 방법 및 장치
Walia et al. Comparative study of peak-to-average power ratio reduction techniques for OFDM system
Al-Madi et al. PERFORMANCE EVALUATION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING OVER FREQUENCY SELECTIVE RAYLEIGH FADING HF CHANNEL
Chaudhari et al. CE-OFDM: A PAPR Reduction Technique

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20020506

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20050922

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20061122

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20100413

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20061122

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I