JP4903258B2 - 異なるチャネル条件と1xEV−DO及びNxEV−DOとの後方互換性のためのOFDMシンボル設計 - Google Patents
異なるチャネル条件と1xEV−DO及びNxEV−DOとの後方互換性のためのOFDMシンボル設計 Download PDFInfo
- Publication number
- JP4903258B2 JP4903258B2 JP2009501360A JP2009501360A JP4903258B2 JP 4903258 B2 JP4903258 B2 JP 4903258B2 JP 2009501360 A JP2009501360 A JP 2009501360A JP 2009501360 A JP2009501360 A JP 2009501360A JP 4903258 B2 JP4903258 B2 JP 4903258B2
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- JP
- Japan
- Prior art keywords
- ofdm symbol
- ofdm
- mobile terminal
- fixed period
- chips
- 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 - Fee Related
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Classifications
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- 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
- H04L27/2602—Signal structure
-
- 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
- H04L27/2602—Signal structure
- H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
-
- 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
- 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
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
-
- 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
- H04L27/2602—Signal structure
- H04L27/2603—Signal structure ensuring backward compatibility with legacy system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Description
本発明の特徴と利点は、下記の詳細な説明で説明され、詳細な説明から明白になるか、本発明の実施によって理解されることができる。本発明の目的と他の利点は、下記の詳細な説明、特許請求の範囲及び図面で特別に指示された構造によって実現されたり達成されることができる。
例2−100、100、200;
例3−400。
Claims (8)
- 送信スロットを送信する方法であって、
前記方法は、
ネットワークエンティティにより、データ領域と制御領域とを含む送信スロットを生成することであって、前記データ領域は、固定期間の直交周波数分割多重化(OFDM)シンボルを含み、前記固定期間は、プリアンブルの長さに基づいて決定される、ことと、
移動端末機によって経験されたチャネル遅延スプレッドに基づいて前記OFDMシンボル内の循環的前置符号拡張(CPE)の期間を変更することと、
前記ネットワークエンティティにより、前記送信スロットを前記移動端末機に送信することと
を含む、方法。 - 前記生成することは、
データ領域当たりのOFDMシンボルの数を決定することと、
前記OFDMシンボルのそれぞれを、前記データの領域の特定の数のチップに割り当てることと、
前記OFDMシンボルの特定のチップを前記CPEに結合することと、
前記CPEの特定のチップを1つのウィンドに結合することと
を含む、請求項1に記載の方法。 - 前記OFDMシンボルの固定期間は、
前記移動端末機と前記ネットワークエンティティとの相対的な速度にさらに基づいて決定される、請求項1に記載の方法。 - 前記OFDMシンボルの固定期間は、要請に応じて決定される、請求項1に記載の方法。
- 前記OFDMシンボルの固定期間は、前記OFDMシンボルの固定期間と前記プリアンブルの長さとの合計が400のチップまたは400の倍数のチップであるように、決定される、請求項1に記載の方法。
- 使用者入力を許可する入力コンポーネントと、
ディスプレイと、
データ領域および制御領域を含む送信スロットを受信するように構成された受信機と
を含む移動端末機であって、
前記データ領域は、固定期間の直交周波数分割多重化(OFDM)シンボルを含み、前記固定期間は、プリアンブルの長さに基づいて決定され、
前記OFDMシンボル内の循環的前置符号拡張(CPE)の期間は、前記移動端末機によって経験されたチャネル遅延スプレッドに基づいて変更される、移動端末機。 - 前記OFDMシンボルの固定期間は、
前記送信スロットを受信する移動端末機と前記送信スロットを伝達するネットワークエンティティとの相対的な速度にさらに基づいて決定される、請求項6に記載の移動端末機。 - 前記OFDMシンボルの固定期間は、前記OFDMシンボルの固定期間と前記プリアンブルの長さとの合計が400のチップまたは400の倍数のチップであるように、決定される、請求項6に記載の移動端末機。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78543706P | 2006-03-24 | 2006-03-24 | |
US60/785,437 | 2006-03-24 | ||
US78692106P | 2006-03-28 | 2006-03-28 | |
US60/786,921 | 2006-03-28 | ||
PCT/KR2007/001440 WO2007111448A2 (en) | 2006-03-24 | 2007-03-23 | Methods for generating a transmission slot having ofdm variable duration symbol and mobile terminal using these methods |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009533891A JP2009533891A (ja) | 2009-09-17 |
JP4903258B2 true JP4903258B2 (ja) | 2012-03-28 |
Family
ID=38541542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009501360A Expired - Fee Related JP4903258B2 (ja) | 2006-03-24 | 2007-03-23 | 異なるチャネル条件と1xEV−DO及びNxEV−DOとの後方互換性のためのOFDMシンボル設計 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7944808B2 (ja) |
EP (1) | EP1999872B1 (ja) |
JP (1) | JP4903258B2 (ja) |
KR (1) | KR101012385B1 (ja) |
CN (1) | CN101611579B (ja) |
CA (1) | CA2646744C (ja) |
TW (1) | TWI415409B (ja) |
WO (1) | WO2007111448A2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US20090185476A1 (en) * | 2008-01-16 | 2009-07-23 | Telefonaktiebolaget Lm Ericsson | Duration-shortened ofdm symbols |
JP2009239749A (ja) * | 2008-03-27 | 2009-10-15 | Kyocera Corp | 割当方法およびそれを利用した基地局装置 |
US8913563B2 (en) * | 2009-02-06 | 2014-12-16 | Empire Technology Development Llc | Velocity based random access scheme |
US8194799B2 (en) | 2009-03-30 | 2012-06-05 | King Fahd University of Pertroleum & Minerals | Cyclic prefix-based enhanced data recovery method |
KR101750049B1 (ko) * | 2009-11-13 | 2017-06-22 | 삼성전자주식회사 | 적응적인 스트리밍 방법 및 장치 |
KR101786051B1 (ko) * | 2009-11-13 | 2017-10-16 | 삼성전자 주식회사 | 데이터 제공 방법 및 장치와 데이터 수신 방법 및 장치 |
KR101786050B1 (ko) * | 2009-11-13 | 2017-10-16 | 삼성전자 주식회사 | 데이터 전송 방법 및 장치 |
KR101750048B1 (ko) | 2009-11-13 | 2017-07-03 | 삼성전자주식회사 | 변속 재생 서비스 제공 방법 및 장치 |
KR101737084B1 (ko) | 2009-12-07 | 2017-05-17 | 삼성전자주식회사 | 메인 콘텐트에 다른 콘텐트를 삽입하여 스트리밍하는 방법 및 장치 |
EP2740246A1 (en) * | 2011-08-04 | 2014-06-11 | BlackBerry Limited | Method and system for formatting cyclic prefix/postfix in a mobile communication system |
CN103332250B (zh) * | 2013-07-12 | 2016-04-20 | 广州市银三环机械有限公司 | 一种四连杆车架制造方法 |
US10862634B2 (en) | 2014-03-07 | 2020-12-08 | Huawei Technologies Co., Ltd. | Systems and methods for OFDM with flexible sub-carrier spacing and symbol duration |
EP3479515B1 (en) * | 2016-09-30 | 2020-06-03 | Motorola Mobility LLC | Flexible radio resource allocation |
EP4106464A4 (en) * | 2020-02-14 | 2023-08-23 | Fujitsu Limited | METHOD AND DEVICE FOR UPLINK TRANSMISSION |
Citations (3)
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EP1065855A1 (en) * | 1999-06-29 | 2001-01-03 | Sony International (Europe) GmbH | Adaptation of cyclic extensions in an OFDM communication system |
JP2004064793A (ja) * | 2002-07-29 | 2004-02-26 | Samsung Electronics Co Ltd | チャンネル特性に適応する直交周波数分割多重通信方法及びその装置 |
WO2007098482A2 (en) * | 2006-02-21 | 2007-08-30 | Qualcomm Incorporated | Method and apparatus for selecting cdm or ofdm in a communication system |
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US5815488A (en) * | 1995-09-28 | 1998-09-29 | Cable Television Laboratories, Inc. | Multiple user access method using OFDM |
SE9600537L (sv) * | 1996-02-14 | 1997-05-26 | Telia Ab | Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur |
US7548506B2 (en) * | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
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JP2006512870A (ja) * | 2002-12-30 | 2006-04-13 | エスケーテレコム カンパニー リミテッド | 1xEV−DOシステムから1Xシステムへの転換を1xEV−DOシステムに通知する方法およびシステム |
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-
2007
- 2007-03-23 KR KR1020087026129A patent/KR101012385B1/ko not_active IP Right Cessation
- 2007-03-23 US US11/690,724 patent/US7944808B2/en not_active Expired - Fee Related
- 2007-03-23 EP EP07745637.4A patent/EP1999872B1/en not_active Not-in-force
- 2007-03-23 CN CN2007800106451A patent/CN101611579B/zh not_active Expired - Fee Related
- 2007-03-23 WO PCT/KR2007/001440 patent/WO2007111448A2/en active Application Filing
- 2007-03-23 CA CA2646744A patent/CA2646744C/en not_active Expired - Fee Related
- 2007-03-23 JP JP2009501360A patent/JP4903258B2/ja not_active Expired - Fee Related
- 2007-03-26 TW TW096110421A patent/TWI415409B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1065855A1 (en) * | 1999-06-29 | 2001-01-03 | Sony International (Europe) GmbH | Adaptation of cyclic extensions in an OFDM communication system |
JP2004064793A (ja) * | 2002-07-29 | 2004-02-26 | Samsung Electronics Co Ltd | チャンネル特性に適応する直交周波数分割多重通信方法及びその装置 |
WO2007098482A2 (en) * | 2006-02-21 | 2007-08-30 | Qualcomm Incorporated | Method and apparatus for selecting cdm or ofdm in a communication system |
Also Published As
Publication number | Publication date |
---|---|
CA2646744A1 (en) | 2007-10-04 |
TWI415409B (zh) | 2013-11-11 |
JP2009533891A (ja) | 2009-09-17 |
KR101012385B1 (ko) | 2011-02-09 |
KR20090005060A (ko) | 2009-01-12 |
CN101611579B (zh) | 2012-12-26 |
WO2007111448A2 (en) | 2007-10-04 |
US20070223366A1 (en) | 2007-09-27 |
US7944808B2 (en) | 2011-05-17 |
TW200803243A (en) | 2008-01-01 |
CA2646744C (en) | 2012-08-21 |
CN101611579A (zh) | 2009-12-23 |
EP1999872B1 (en) | 2017-08-09 |
EP1999872A4 (en) | 2014-02-19 |
WO2007111448A3 (en) | 2009-06-11 |
EP1999872A2 (en) | 2008-12-10 |
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