JP4901790B2 - 無線装置 - Google Patents
無線装置 Download PDFInfo
- Publication number
- JP4901790B2 JP4901790B2 JP2008065359A JP2008065359A JP4901790B2 JP 4901790 B2 JP4901790 B2 JP 4901790B2 JP 2008065359 A JP2008065359 A JP 2008065359A JP 2008065359 A JP2008065359 A JP 2008065359A JP 4901790 B2 JP4901790 B2 JP 4901790B2
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- JP
- Japan
- Prior art keywords
- unit
- group
- signal
- groups
- processing
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
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- 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
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (3)
- 複数のアンテナを介してマルチキャリア信号を受信する受信部と、
前記受信部において受信したマルチキャリア信号を周波数領域にて複数のグループに分割する分割部と、
前記分割部において分割した複数のグループのそれぞれを単位にして、アダプティブアレイ信号処理を実行する処理部とを備え、
前記分割部は、マルチキャリア信号に含まれた周波数領域でのサブキャリア単位に回線品質を取得し、回線品質に応じて複数のグループを設定する際、各サブキャリアの回線品質が予め規定する同一の段階に対応し、かつ隣接するサブキャリアの集合を1のグループとして設定することを特徴とする無線装置。 - 前記分割部は、所定のグループの規模がしきい値よりも小さい場合に、当該グループを別のグループに結合することを特徴とする請求項1に記載の無線装置。
- 前記処理部は、前記分割部において規定された複数のグループのうち、回線品質が悪化しているグループに対して優先的にアダプティブアレイ信号処理を実行することを特徴とする請求項1または2に記載の無線装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008065359A JP4901790B2 (ja) | 2008-03-14 | 2008-03-14 | 無線装置 |
US12/922,442 US8477882B2 (en) | 2008-03-14 | 2009-02-24 | Radio apparatus |
PCT/JP2009/000812 WO2009113253A1 (ja) | 2008-03-14 | 2009-02-24 | 無線装置 |
CN200980106968XA CN101960731B (zh) | 2008-03-14 | 2009-02-24 | 无线装置 |
KR1020107020284A KR101185231B1 (ko) | 2008-03-14 | 2009-02-24 | 무선 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008065359A JP4901790B2 (ja) | 2008-03-14 | 2008-03-14 | 無線装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011211838A Division JP2012050106A (ja) | 2011-09-28 | 2011-09-28 | 無線装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009224936A JP2009224936A (ja) | 2009-10-01 |
JP4901790B2 true JP4901790B2 (ja) | 2012-03-21 |
Family
ID=41064926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008065359A Expired - Fee Related JP4901790B2 (ja) | 2008-03-14 | 2008-03-14 | 無線装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8477882B2 (ja) |
JP (1) | JP4901790B2 (ja) |
KR (1) | KR101185231B1 (ja) |
CN (1) | CN101960731B (ja) |
WO (1) | WO2009113253A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5175907B2 (ja) * | 2010-09-10 | 2013-04-03 | 株式会社東芝 | 無線通信装置 |
US9295010B2 (en) | 2013-10-11 | 2016-03-22 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
US9608696B2 (en) * | 2013-10-11 | 2017-03-28 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3576099B2 (ja) * | 2000-12-22 | 2004-10-13 | 株式会社東芝 | スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路 |
US6927728B2 (en) | 2003-03-13 | 2005-08-09 | Motorola, Inc. | Method and apparatus for multi-antenna transmission |
WO2005020489A1 (ja) | 2003-08-20 | 2005-03-03 | Matsushita Electric Industrial Co., Ltd. | 無線通信装置及びサブキャリア割り当て方法 |
JP4597996B2 (ja) * | 2004-09-28 | 2010-12-15 | パナソニック株式会社 | マルチキャリア通信装置及びマルチキャリア通信方法 |
KR20070085542A (ko) | 2004-11-30 | 2007-08-27 | 마츠시타 덴끼 산교 가부시키가이샤 | 멀티 캐리어 통신에서의 무선 통신 장치 및 무선 통신 방법 |
JP4314185B2 (ja) | 2004-11-30 | 2009-08-12 | 株式会社東芝 | 無線受信装置 |
JP4266201B2 (ja) | 2004-12-24 | 2009-05-20 | 株式会社東芝 | Ofdmダイバーシチ受信装置 |
JP2006237692A (ja) * | 2005-02-22 | 2006-09-07 | Sanyo Electric Co Ltd | 受信方法および装置 |
JP4097656B2 (ja) * | 2005-02-28 | 2008-06-11 | 三洋電機株式会社 | 受信方法および装置 |
JP2008011157A (ja) | 2006-06-29 | 2008-01-17 | Sharp Corp | 移動局装置および基地局装置 |
-
2008
- 2008-03-14 JP JP2008065359A patent/JP4901790B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-24 CN CN200980106968XA patent/CN101960731B/zh not_active Expired - Fee Related
- 2009-02-24 WO PCT/JP2009/000812 patent/WO2009113253A1/ja active Application Filing
- 2009-02-24 KR KR1020107020284A patent/KR101185231B1/ko not_active IP Right Cessation
- 2009-02-24 US US12/922,442 patent/US8477882B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2009113253A1 (ja) | 2009-09-17 |
KR101185231B1 (ko) | 2012-09-21 |
US8477882B2 (en) | 2013-07-02 |
JP2009224936A (ja) | 2009-10-01 |
US20110019779A1 (en) | 2011-01-27 |
CN101960731A (zh) | 2011-01-26 |
KR20100126735A (ko) | 2010-12-02 |
CN101960731B (zh) | 2013-08-21 |
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