FI946045A0 - Menetelmä ja laite tehon estimoimiseksi ortogonaalista koodausta käyttävässä viestintäjärjestelmässä - Google Patents

Menetelmä ja laite tehon estimoimiseksi ortogonaalista koodausta käyttävässä viestintäjärjestelmässä

Info

Publication number
FI946045A0
FI946045A0 FI946045A FI946045A FI946045A0 FI 946045 A0 FI946045 A0 FI 946045A0 FI 946045 A FI946045 A FI 946045A FI 946045 A FI946045 A FI 946045A FI 946045 A0 FI946045 A0 FI 946045A0
Authority
FI
Finland
Prior art keywords
communication system
estimating power
orthogonal coding
estimating
coding
Prior art date
Application number
FI946045A
Other languages
English (en)
Swedish (sv)
Other versions
FI946045A (fi
Inventor
Fuyun Ling
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FI946045A publication Critical patent/FI946045A/fi
Publication of FI946045A0 publication Critical patent/FI946045A0/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average, variance

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FI946045A 1992-06-29 1994-12-22 Menetelmä ja laite tehon estimoimiseksi ortogonaalista koodausta käyttävässä viestintäjärjestelmässä FI946045A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/906,321 US5297161A (en) 1992-06-29 1992-06-29 Method and apparatus for power estimation in an orthogonal coded communication system
PCT/US1993/005450 WO1994000926A1 (en) 1992-06-29 1993-06-09 Method and apparatus for power estimation in an orthogonal coded communication system

Publications (2)

Publication Number Publication Date
FI946045A FI946045A (fi) 1994-12-22
FI946045A0 true FI946045A0 (fi) 1994-12-22

Family

ID=25422248

Family Applications (1)

Application Number Title Priority Date Filing Date
FI946045A FI946045A0 (fi) 1992-06-29 1994-12-22 Menetelmä ja laite tehon estimoimiseksi ortogonaalista koodausta käyttävässä viestintäjärjestelmässä

Country Status (10)

Country Link
US (1) US5297161A (fi)
JP (1) JP3205338B2 (fi)
KR (2) KR970008172B1 (fi)
BR (1) BR9306623A (fi)
CA (1) CA2137460C (fi)
DE (2) DE4392993C2 (fi)
FI (1) FI946045A0 (fi)
MX (1) MX9303881A (fi)
SE (1) SE9404427L (fi)
WO (1) WO1994000926A1 (fi)

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US5892774A (en) * 1996-12-12 1999-04-06 Qualcomm Incorporated Phase shift encoded subchannel
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US6154659A (en) * 1997-12-24 2000-11-28 Nortel Networks Limited Fast forward link power control in a code division multiple access system
US6532252B1 (en) * 1998-06-13 2003-03-11 Samsung Electronics, Co., Ltd. Device and method for measuring non-orthogonal noise power for CDMA communication system
KR100277761B1 (ko) 1998-06-25 2001-01-15 윤종용 셀룰러 시스템에서 이동 단말기의 탐색 범위설정 방법
US6456646B1 (en) * 1998-11-30 2002-09-24 Ericsson Inc. Methods and systems for detecting codewords with intersymbol interference and imperfect timing
FR2789534B1 (fr) * 1999-02-04 2001-06-08 Cit Alcatel Procede d'estimation du rapport signal a bruit d'un signal numerique recu par un recepteur de radiocommunications
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US20030021271A1 (en) * 2001-04-03 2003-01-30 Leimer Donald K. Hybrid wireless communication system
US7330446B2 (en) * 2001-09-21 2008-02-12 Industrial Technology Research Institute Closed-loop power control method for a code-division multiple-access cellular system
US7986672B2 (en) * 2002-02-25 2011-07-26 Qualcomm Incorporated Method and apparatus for channel quality feedback in a wireless communication
US7444161B2 (en) * 2002-03-22 2008-10-28 Huawei Technologies Co., Ltd. Self & minus; adaptive weighted space time transmitting diversity method and system thereof
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JP4763539B2 (ja) * 2006-07-21 2011-08-31 富士通株式会社 無線システム、無線送信機および無線受信機
US8831530B2 (en) 2012-04-30 2014-09-09 Samsung Electronics Co., Ltd. Communication system with transmission power estimation mechanism and method of operation thereof
CN104168225A (zh) * 2013-05-20 2014-11-26 普天信息技术研究院有限公司 噪声方差的估计方法
KR102214914B1 (ko) * 2014-12-12 2021-02-10 삼성전자주식회사 직교 시퀀스를 이용한 노이즈 전력 추정에 기초한 패킷 검출 방법 및 송, 수신기
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Also Published As

Publication number Publication date
CA2137460C (en) 1998-08-18
JPH07508383A (ja) 1995-09-14
WO1994000926A1 (en) 1994-01-06
SE9404427D0 (sv) 1994-12-21
DE4392993C2 (de) 1996-09-26
MX9303881A (es) 1994-01-31
JP3205338B2 (ja) 2001-09-04
FI946045A (fi) 1994-12-22
SE9404427L (sv) 1995-02-28
KR950702358A (ko) 1995-06-19
US5297161A (en) 1994-03-22
BR9306623A (pt) 1998-12-08
KR970008172B1 (ko) 1997-05-21
DE4392993T1 (de) 1995-06-01
CA2137460A1 (en) 1994-01-06

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