JP5753592B2 - 無線通信システム及び基準信号を用いる方法 - Google Patents
無線通信システム及び基準信号を用いる方法 Download PDFInfo
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- JP5753592B2 JP5753592B2 JP2014000423A JP2014000423A JP5753592B2 JP 5753592 B2 JP5753592 B2 JP 5753592B2 JP 2014000423 A JP2014000423 A JP 2014000423A JP 2014000423 A JP2014000423 A JP 2014000423A JP 5753592 B2 JP5753592 B2 JP 5753592B2
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- 238000004891 communication Methods 0.000 title claims description 93
- 238000000034 method Methods 0.000 title description 15
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Classifications
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- 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
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
記憶装置208は、プロセッサ202が処理を行うのに必要な各種の情報を保存するのに提供される、記憶装置208としては、適合する任意のタイプの大容量記憶装置を含むことができる。例えば、記憶装置208は、1つまたは1つ以上のハードディスクデバイス、フロッピーディスクデバイス、及び/または記憶空間を提供する他の記憶装置を含むことができる。
通信インターフェース212は、通信接続を提供し、コンピューターが例えばインターネットなどのコンピュータネットワークを介して他のシステムと情報を交換できるようにする。
110 基地局
120 通信端末
112 送受信機
140 アンテナアレイ
142 アンテナ
122 送受信機
150 アンテナアレイ
200 制御器
202 プロセッサ
204 ランダムアクセスメモリ(RAM)
204 読み出し専用メモリ(ROM)
208 記憶装置
210 入力/出力インターフェース
212 通信インターフェース
300 資源ユニット
302 リソースグリッド
Claims (24)
- 無線通信装置であって、
少なくとも1つのアンテナ、及び
少なくとも1つのセル又はセクターを含み少なくとも2つのデータストリームを用いる領域内の、前記無線通信装置と外部無線通信装置との間の無線チャネルによって、当該外部無線通信装置と通信するように構成される送受信機を含み、
前記送受信機は、前記少なくとも2つのデータストリームで前記少なくとも1つのセルまたはセクターに用いられるように提供される複数のパイロット構造の少なくとも1つのパイロット構造を用い、
前記複数のパイロット構造の各々あるいは各組は、複数のパイロットルールから選ばれた適当なパイロットルールに基づいて作成され、
前記複数のパイロットルールは、
データシンボルとパイロットシンボルを含む第1資源ユニットから最後のOFDMシンボルを削除して、第2資源ユニットのパイロットシンボルを形成するステップ、
前記第1資源ユニットの第1OFDMシンボルを複写し、前記第1資源ユニットの後に追加のOFDMシンボルを挿入して第3資源ユニットのパイロットシンボルを形成するステップ、及び
前記第1資源ユニット、前記第2資源ユニットと、前記第3資源ユニットのパイロット密度を同じに保持して電力変動を減少するステップ
を含み、
列はOFDMシンボルを表し、行はサブキャリアを表し、‘1’はデータストリーム1のパイロットシンボルを表し、‘2’はデータストリーム2のパイロットシンボルを表し、‘0’はデータシンボルを表すという条件で、第1セル/セクター、第2セル/セクター及び第3セル/セクターの前記複数のパイロット構造の第1のパイロット構造のセットは、次の図表36の構造をそれぞれ含む
無線通信装置。
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6078008P | 2008-06-11 | 2008-06-11 | |
US61/060,780 | 2008-06-11 | ||
US6199208P | 2008-06-16 | 2008-06-16 | |
US61/061,992 | 2008-06-16 | ||
US7347908P | 2008-06-18 | 2008-06-18 | |
US61/073,479 | 2008-06-18 | ||
US7910808P | 2008-07-08 | 2008-07-08 | |
US61/079,108 | 2008-07-08 | ||
US12/406,394 | 2009-03-18 | ||
US12/406,394 US8488693B2 (en) | 2008-06-11 | 2009-03-18 | Wireless communication systems and methods using reference signals |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012045596A Division JP2012157019A (ja) | 2008-06-11 | 2012-03-01 | 無線通信システム及び基準信号を用いる方法 |
Publications (2)
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JP2014079011A JP2014079011A (ja) | 2014-05-01 |
JP5753592B2 true JP5753592B2 (ja) | 2015-07-22 |
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JP2009139973A Active JP4950249B2 (ja) | 2008-06-11 | 2009-06-11 | 無線通信システム及び基準信号を用いる方法 |
JP2012045596A Pending JP2012157019A (ja) | 2008-06-11 | 2012-03-01 | 無線通信システム及び基準信号を用いる方法 |
JP2014000423A Active JP5753592B2 (ja) | 2008-06-11 | 2014-01-06 | 無線通信システム及び基準信号を用いる方法 |
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JP2009139973A Active JP4950249B2 (ja) | 2008-06-11 | 2009-06-11 | 無線通信システム及び基準信号を用いる方法 |
JP2012045596A Pending JP2012157019A (ja) | 2008-06-11 | 2012-03-01 | 無線通信システム及び基準信号を用いる方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8488693B2 (ja) |
EP (2) | EP3447985B1 (ja) |
JP (3) | JP4950249B2 (ja) |
KR (1) | KR101077037B1 (ja) |
CN (1) | CN101610585B (ja) |
TW (1) | TWI412251B (ja) |
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KR101498059B1 (ko) | 2008-07-22 | 2015-03-03 | 엘지전자 주식회사 | 파일롯 서브캐리어 할당을 사용하는 복수개의 송신 안테나를 갖는 무선 통신 시스템 |
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-
2009
- 2009-03-18 US US12/406,394 patent/US8488693B2/en active Active
- 2009-03-27 EP EP18198480.8A patent/EP3447985B1/en active Active
- 2009-03-27 EP EP09250897.7A patent/EP2134050A3/en not_active Withdrawn
- 2009-05-20 TW TW098116665A patent/TWI412251B/zh active
- 2009-06-05 CN CN2009101456006A patent/CN101610585B/zh active Active
- 2009-06-08 KR KR1020090050513A patent/KR101077037B1/ko active IP Right Grant
- 2009-06-11 JP JP2009139973A patent/JP4950249B2/ja active Active
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2012
- 2012-03-01 JP JP2012045596A patent/JP2012157019A/ja active Pending
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- 2014-01-06 JP JP2014000423A patent/JP5753592B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2134050A2 (en) | 2009-12-16 |
KR20090129344A (ko) | 2009-12-16 |
KR101077037B1 (ko) | 2011-10-26 |
US8488693B2 (en) | 2013-07-16 |
CN101610585B (zh) | 2012-04-18 |
JP4950249B2 (ja) | 2012-06-13 |
CN101610585A (zh) | 2009-12-23 |
EP3447985B1 (en) | 2020-01-08 |
JP2014079011A (ja) | 2014-05-01 |
JP2009303214A (ja) | 2009-12-24 |
EP3447985A1 (en) | 2019-02-27 |
JP2012157019A (ja) | 2012-08-16 |
US20090323838A1 (en) | 2009-12-31 |
TW201012142A (en) | 2010-03-16 |
TWI412251B (zh) | 2013-10-11 |
EP2134050A3 (en) | 2018-04-04 |
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