JP2006014318A5 - - Google Patents

Download PDF

Info

Publication number
JP2006014318A5
JP2006014318A5 JP2005180551A JP2005180551A JP2006014318A5 JP 2006014318 A5 JP2006014318 A5 JP 2006014318A5 JP 2005180551 A JP2005180551 A JP 2005180551A JP 2005180551 A JP2005180551 A JP 2005180551A JP 2006014318 A5 JP2006014318 A5 JP 2006014318A5
Authority
JP
Japan
Prior art keywords
known signal
signal
packet format
communication system
wireless communication
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.)
Granted
Application number
JP2005180551A
Other languages
Japanese (ja)
Other versions
JP4583254B2 (en
JP2006014318A (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2005180551A external-priority patent/JP4583254B2/en
Priority to JP2005180551A priority Critical patent/JP4583254B2/en
Priority to PCT/JP2005/011563 priority patent/WO2006001351A1/en
Priority to KR1020077002023A priority patent/KR100887006B1/en
Priority to RU2007103189/09A priority patent/RU2383998C2/en
Priority to EP05753340.8A priority patent/EP1768294B1/en
Priority to CN2005800218250A priority patent/CN1977484B/en
Priority to BRPI0512704A priority patent/BRPI0512704B1/en
Priority to TW094121385A priority patent/TWI279999B/en
Priority to US11/167,585 priority patent/US8265055B2/en
Publication of JP2006014318A publication Critical patent/JP2006014318A/en
Publication of JP2006014318A5 publication Critical patent/JP2006014318A5/ja
Priority to US12/761,139 priority patent/US8254361B2/en
Publication of JP4583254B2 publication Critical patent/JP4583254B2/en
Application granted granted Critical
Priority to US13/566,184 priority patent/US8817767B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Claims (11)

第１の無線通信システムで規定された第１の既知信号と、前記第１の無線通信システムとは異なった第２の無線通信システムで規定された第２の既知信号を記憶する記憶部と、
前記第２の既知信号が先頭部分に配置されたパケットフォーマットと、前記第２の既知信号の前段に前記第１の既知信号をさらに配置したパケットフォーマットのいずれかを選択する選択部と、
前記選択部で選択したパケットフォーマットで信号を伝送する送信部と、
を備えることを特徴とする送信装置。 A storage unit for storing a first known signal defined in the first wireless communication system and a second known signal defined in a second wireless communication system different from the first wireless communication system;
A selection unit that selects one of a packet format in which the second known signal is arranged in a head portion and a packet format in which the first known signal is further arranged in a preceding stage of the second known signal;
A transmitter for transmitting a signal in the packet format selected by the selector;
A transmission device comprising: 逆高速フーリエ変換した信号を伝送すべき第１の無線通信システムで規定された第１の既知信号と、複数のアンテナから並行に、逆高速フーリエ変換した信号を伝送すべき第２の無線通信システムで規定された第２の既知信号とを記憶する記憶部と、
前記第２の既知信号が先頭部分に配置されたパケットフォーマットと、前記第２の既知信号の前段に前記第１の既知信号をさらに配置したパケットフォーマットのいずれかを選択する選択部と、
前記選択部で選択したパケットフォーマットで、逆高速フーリエ変換した信号を伝送する送信部と、
を備えることを特徴とする送信装置。 A second wireless communication system to transmit a first known signal defined by the first wireless communication system to which an inverse fast Fourier transformed signal is to be transmitted and a signal to which an inverse fast Fourier transform is transmitted in parallel from a plurality of antennas. A storage unit for storing a second known signal defined in
A selection unit that selects one of a packet format in which the second known signal is arranged in a head portion and a packet format in which the first known signal is further arranged in a preceding stage of the second known signal;
A transmission unit that transmits a signal subjected to inverse fast Fourier transform in the packet format selected by the selection unit;
A transmission device comprising: 複数のキャリアを使用して信号を伝送すべき第１の無線通信システムで規定された第１の既知信号と、前記第１の無線通信システムで信号を伝送するためのキャリア数と同一のキャリア数を使用しつつ複数のアンテナから並行に信号を伝送すべき第２の無線通信システムで規定された第２の既知信号を記憶する記憶部と、
前記第２の既知信号が先頭部分に配置されたパケットフォーマットと、前記第２の既知信号の前段に前記第１の既知信号をさらに配置したパケットフォーマットのいずれかを選択する選択部と、
前記選択部で選択したパケットフォーマットで信号を伝送する送信部と、
を備えることを特徴とする送信装置。 The first known signal defined in the first wireless communication system to transmit signals using a plurality of carriers, and the same number of carriers as the number of carriers for transmitting signals in the first wireless communication system A storage unit for storing a second known signal defined in the second wireless communication system to transmit signals from a plurality of antennas in parallel while using
A selection unit that selects one of a packet format in which the second known signal is arranged in a head portion and a packet format in which the first known signal is further arranged in a preceding stage of the second known signal;
A transmitter for transmitting a signal in the packet format selected by the selector;
A transmission device comprising: 前記記憶部に記憶された第２の既知信号は、前記第２の無線通信システムで信号を送信すべきアンテナの数に応じて複数の種類規定されていることを特徴とする請求項２または３に記載の送信装置。   The second known signal stored in the storage unit is defined in a plurality of types according to the number of antennas to which signals should be transmitted in the second wireless communication system. The transmitting device according to 1. 前記選択部は、前記第２の既知信号が先頭部分に配置されたパケットフォーマットを選択する場合に、信号を伝送すべきアンテナの数がひとつになれば、複数の種類規定された第２の既知信号のうちのひとつを配置することを特徴とする請求項４に記載の送信装置。   When the selection unit selects a packet format in which the second known signal is arranged at the head portion, if the number of antennas to which the signal is to be transmitted becomes one, a plurality of types of second known signals 5. The transmission apparatus according to claim 4, wherein one of the signals is arranged. 前記選択部は、前記第２の既知信号の前段に前記第１の既知信号をさらに配置したパケットフォーマットを選択する場合に、前記第１の既知信号と前記第２の既知信号の間に、前記第２の既知信号が配置されている旨を示した情報を配置することを特徴とする請求項２から５のいずれかに記載の送信装置。   The selection unit selects between the first known signal and the second known signal when selecting a packet format in which the first known signal is further arranged in a preceding stage of the second known signal. 6. The transmission apparatus according to claim 2, wherein information indicating that the second known signal is arranged is arranged. 前記第２の無線通信システムに対応せずに前記第１の無線通信システムに対応した通信装置の存在を監視する監視部をさらに備え、
前記選択部は、前記監視部での監視結果にもとづいて、パケットフォーマットを選択することを特徴とする請求項２から６のいずれかに記載の送信装置。 A monitoring unit that monitors the presence of a communication device compatible with the first wireless communication system without supporting the second wireless communication system;
The transmission device according to claim 2, wherein the selection unit selects a packet format based on a monitoring result in the monitoring unit. 前記記憶部に記憶された第２の既知信号は、信号のパターンが異なった複数の部分を含み、
前記選択部は、複数のアンテナから同一のタイミングで前記複数の部分の少なくともひとつをそれぞれ伝送するような前記第２の既知信号の配置と、複数のアンテナから異なったタイミングで前記複数の部分の少なくともひとつをそれぞれ伝送するような前記第２の既知信号の配置を選択することを特徴とする請求項２から７のいずれかに記載の送信装置。 The second known signal stored in the storage unit includes a plurality of portions having different signal patterns,
The selection unit includes an arrangement of the second known signals that respectively transmits at least one of the plurality of portions from a plurality of antennas at the same timing, and at least one of the plurality of portions at different timings from the plurality of antennas. 8. The transmission apparatus according to claim 2, wherein an arrangement of the second known signals is selected so that one signal is transmitted. 信号を伝送すべき無線伝送路の特性を導出する導出部と、
前記選択部は、導出した無線伝送路の特性にもとづいて、前記第２の既知信号の配置を選択することを特徴とする請求項８に記載の送信装置。 A deriving unit for deriving the characteristics of the wireless transmission path through which the signal is to be transmitted;
The transmission device according to claim 8, wherein the selection unit selects an arrangement of the second known signals based on the derived characteristics of the wireless transmission path. 前記選択部は、第２の既知信号が複数のアンテナに同一のタイミングで配置されるパケットフォーマットと、第２の既知信号が複数のアンテナに異なったタイミングで配置されるパケットフォーマットのいずれかを選択することを特徴とする請求項２または３のいずれかに記載の送信装置。   The selection unit selects one of a packet format in which the second known signal is arranged at a plurality of antennas at the same timing and a packet format in which the second known signal is arranged at a plurality of antennas at different timings. The transmission device according to claim 2, wherein the transmission device is a transmission device. 逆高速フーリエ変換した信号を伝送すべき第１の無線通信システムで規定された第１の既知信号と、複数のアンテナから並行に、逆高速フーリエ変換した信号を伝送すべき第２の無線通信システムで規定された第２の既知信号が規定されており、前記第２の既知信号が先頭部分に配置されたパケットフォーマットと、前記第２の既知信号の前段に前記第１の既知信号をさらに配置したパケットフォーマットのいずれかを選択して、信号を伝送することを特徴とする送信方法。 A second wireless communication system to transmit a first known signal defined by the first wireless communication system to which an inverse fast Fourier transformed signal is to be transmitted and a signal to which an inverse fast Fourier transform is transmitted in parallel from a plurality of antennas. A packet format in which the second known signal is defined at the head portion, and the first known signal is further arranged at a preceding stage of the second known signal. A method for transmitting a signal by selecting one of the selected packet formats.
JP2005180551A 2004-06-28 2005-06-21 Transmission method and apparatus Expired - Lifetime JP4583254B2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP2005180551A JP4583254B2 (en) 2005-06-21 2005-06-21 Transmission method and apparatus
BRPI0512704A BRPI0512704B1 (en) 2004-06-28 2005-06-23 signal transmission apparatus
KR1020077002023A KR100887006B1 (en) 2004-06-28 2005-06-23 Sending method and device
RU2007103189/09A RU2383998C2 (en) 2004-06-28 2005-06-23 Method and device for transmitting signals
EP05753340.8A EP1768294B1 (en) 2004-06-28 2005-06-23 Apparatus for transmitting signals
CN2005800218250A CN1977484B (en) 2004-06-28 2005-06-23 Transmitting method and apparatus thereof
PCT/JP2005/011563 WO2006001351A1 (en) 2004-06-28 2005-06-23 Sending method and device
TW094121385A TWI279999B (en) 2004-06-28 2005-06-27 Method and apparatus for transmitting signals
US11/167,585 US8265055B2 (en) 2004-06-28 2005-06-28 Method and apparatus for transmitting signals for multiple input multiple output wireless communication system
US12/761,139 US8254361B2 (en) 2004-06-28 2010-04-15 Method and apparatus for transmitting signals for multiple input multiple output wireless communication system
US13/566,184 US8817767B2 (en) 2004-06-28 2012-08-03 Method and apparatus for transmitting signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005180551A JP4583254B2 (en) 2005-06-21 2005-06-21 Transmission method and apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2004189303 Division 2004-06-28 2004-06-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006117472A Division JP4583330B2 (en) 2006-04-21 2006-04-21 Transmission method and apparatus

Publications (3)

Publication Number Publication Date
JP2006014318A JP2006014318A (en) 2006-01-12
JP2006014318A5 true JP2006014318A5 (en) 2006-06-22
JP4583254B2 JP4583254B2 (en) 2010-11-17

Family

ID=35780916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005180551A Expired - Lifetime JP4583254B2 (en) 2004-06-28 2005-06-21 Transmission method and apparatus

Country Status (1)

Country Link
JP (1) JP4583254B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8259825B2 (en) * 2008-08-08 2012-09-04 Motorola Mobility, Inc. Mapping and signaling of common reference symbols for multiple antennas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329796A (en) * 1997-09-29 1999-03-31 Motorola Ltd Increased data rate by reduction of training data
JP4284769B2 (en) * 1999-08-11 2009-06-24 ソニー株式会社 Multi-carrier signal transmitter and multi-carrier signal receiver

Similar Documents

Publication Publication Date Title
JP2006050573A5 (en)
JP5161243B2 (en) Antenna switching method, signal transmission method, and antenna selection information generation method
JP5813709B2 (en) Channel sounding and estimation method for antenna selection in multiple input / output systems
CA2647896A1 (en) Repetitive transmissions in multi-carrier based wireless access techniques
RU2007103189A (en) METHOD AND DEVICE FOR SIGNAL TRANSMISSION
JP2010510692A5 (en)
JP2012060689A5 (en)
JP2019519960A5 (en)
RU2010136921A (en) REVERSE TRANSMISSION PLANNING IN WIRELESS COMMUNICATION SYSTEMS
WO2010135706A3 (en) Failure indication for one or more carriers in a multi-carrier communication environment
JP2009519673A5 (en)
WO2010126245A3 (en) Rach-specific informaiton transmission methods and apparatuses for wireless communication system
JP2008503180A5 (en)
WO2010016726A3 (en) Perfroming random access procedures using extended random access response
WO2015090034A1 (en) Method for mixedly indicating uplink and downlink beams, base station, terminal and system
EP1916778A3 (en) Method and system for generating reference signals in a wireless communication system
RU2012138171A (en) RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD
JP2008172377A5 (en)
WO2010047512A3 (en) Signal transmission method and device in wireless communication system
RU2014121799A (en) RADIO COMMUNICATION SYSTEM, USER TERMINAL AND METHOD OF RADIO COMMUNICATION
RU2010137723A (en) SYSTEMS AND METHODS FOR SIGNALING THE CONTROL CHANNEL
CA2620067A1 (en) Method and apparatus for selection of virtual antennas
EP2453625A3 (en) Method of transmitting control signals in wireless communication system
WO2010114237A3 (en) Method for transmitting ack/nack signal in wireless communication system applied carrier aggregation and apparatus therefor
EP1701456A3 (en) Wireless communication system and method