[go: up one dir, main page]

JP2012514889A5 - - Google Patents

Download PDF

Info

Publication number
JP2012514889A5
JP2012514889A5 JP2011544381A JP2011544381A JP2012514889A5 JP 2012514889 A5 JP2012514889 A5 JP 2012514889A5 JP 2011544381 A JP2011544381 A JP 2011544381A JP 2011544381 A JP2011544381 A JP 2011544381A JP 2012514889 A5 JP2012514889 A5 JP 2012514889A5
Authority
JP
Japan
Prior art keywords
subcarrier
preamble
preamble sequence
sequence
determined
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
JP2011544381A
Other languages
Japanese (ja)
Other versions
JP2012514889A (en
JP5661049B2 (en
Filing date
Publication date
Priority claimed from KR1020090027432A external-priority patent/KR101607846B1/en
Application filed filed Critical
Priority claimed from PCT/KR2010/000071 external-priority patent/WO2010079953A2/en
Publication of JP2012514889A publication Critical patent/JP2012514889A/en
Publication of JP2012514889A5 publication Critical patent/JP2012514889A5/ja
Application granted granted Critical
Publication of JP5661049B2 publication Critical patent/JP5661049B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (28)

無線通信システムにおける基地局装置において、  In a base station apparatus in a wireless communication system,
搬送波構成(carrier configuration)及び帯域幅(bandwidth)を基盤としてプリアンブルシーケンスを決定するシーケンス発生器と、  A sequence generator for determining a preamble sequence based on a carrier configuration and a bandwidth;
前記プリアンブルシーケンスを変調する変調器と  A modulator for modulating the preamble sequence;
変調された前記プリアンブルシーケンスを予め定められたマッピング規則に従って決定された副搬送波集合にマッピングする副搬送波マッピング器と、  A subcarrier mapper for mapping the modulated preamble sequence to a subcarrier set determined according to a predetermined mapping rule;
前記プリアンブルシーケンスを送信する送信器と、  A transmitter for transmitting the preamble sequence;
を含む装置。  Including the device.
前記プリアンブルシーケンスの長さは、216であることを特徴とする請求項1に記載の装置。  The apparatus of claim 1, wherein the length of the preamble sequence is 216. 前記副搬送波集合に含まれる副搬送波は、1個の副搬送波間隔に離隔されていることを特徴とする請求項1または2に記載の装置。  The apparatus according to claim 1 or 2, wherein the subcarriers included in the subcarrier set are separated by one subcarrier interval. 前記副搬送波集合は、下記の数式のように決定されることを特徴とする請求項1ないし3のいずれか一項に記載の装置、  The apparatus according to any one of claims 1 to 3, wherein the subcarrier set is determined as the following equation:
PSCHCarrierSet=2・k+41PSCH CarrierSet = 2 · k + 41
ここで、前記PSCHCarrierSetは、プリアンブルのために割当された副搬送波のインデックスを意味し、前記kは0から215までの定数であってインデックス256はDC(Direct Current)副搬送波を指示する。  Here, the PSCH CarrierSet means an index of a subcarrier allocated for the preamble, the k is a constant from 0 to 215, and the index 256 indicates a DC (Direct Current) subcarrier.
前記プリアンブルシーケンスは、下記表に示す候補らのうち一つに決定されることを特徴とする請求項1ないし4のいずれか一項に記載の装置。  The apparatus according to any one of claims 1 to 4, wherein the preamble sequence is determined as one of candidates shown in the following table.
Figure 2012514889
Figure 2012514889
前記帯域幅及び前記搬送波構成の組合と前記プリアンブルシーケンスとの間の対応関係は、下記表と同様であることを特徴とする請求項1ないし5のいずれか一項に記載の装置。  The apparatus according to any one of claims 1 to 5, wherein a correspondence relationship between the combination of the bandwidth and the carrier structure and the preamble sequence is similar to that in the following table.
Figure 2012514889
Figure 2012514889
前記副搬送波にマッピングされた前記プリアンブルシーケンスをOFDM(Orthogonal Frequency Division Multiplexing)変調することによってプリアンブルシンボルを生成するOFDM変調器をさらに含み、  An OFDM modulator that generates a preamble symbol by modulating the preamble sequence mapped to the subcarrier by OFDM (Orthogonal Frequency Division Multiplexing);
前記プリアンブルシンボルは、同じ信号が2回繰り返すパターンを有していることを特徴とする請求項3に記載の装置。  4. The apparatus according to claim 3, wherein the preamble symbol has a pattern in which the same signal repeats twice.
無線通信システムにおける端末装置において、  In a terminal device in a wireless communication system,
プリアンブルシンボルにて予め定められた副搬送波集合内の副搬送波から信号を抽出する副搬送波抽出器と、  A subcarrier extractor for extracting a signal from a subcarrier in a subcarrier set predetermined by a preamble symbol;
前記副搬送波集合から抽出された信号を復調してプリアンブルシーケンスを検出する復調器と、  A demodulator for demodulating a signal extracted from the subcarrier set to detect a preamble sequence;
前記プリアンブルシーケンスに対応される搬送波構成(carrier configuration)及び帯域幅(bandwidth)を獲得するシーケンス復調器と、  A sequence demodulator that acquires a carrier configuration and a bandwidth corresponding to the preamble sequence;
を含む装置。  Including the device.
前記プリアンブルシーケンスの長さは、216であることを特徴とする請求項8に記載の装置。  The apparatus of claim 8, wherein the length of the preamble sequence is 216. 前記副搬送波集合に含まれる副搬送波は、1個の副搬送波間隔に離隔されていることを特徴とする請求項8または9に記載の装置。  The apparatus according to claim 8 or 9, wherein the subcarriers included in the subcarrier set are separated by one subcarrier interval. 前記副搬送波集合は、下記の数式のように決定されることを特徴とする請求項8ないし10のいずれか一項に記載の装置、  The apparatus according to any one of claims 8 to 10, wherein the subcarrier set is determined as follows:
PSCHCarrierSet=2・k+41PSCH CarrierSet = 2 · k + 41
ここで、前記PSCHCarrierSetは、プリアンブルのために割当された副搬送波のインデックスを意味し、前記kは0から215までの定数であってインデックス256はDC(Direct Current)副搬送波を指示する。  Here, the PSCH CarrierSet means an index of a subcarrier allocated for the preamble, the k is a constant from 0 to 215, and the index 256 indicates a DC (Direct Current) subcarrier.
前記プリアンブルシーケンスは、下記表に示す候補らのうち一つに決定されることを特徴とする請求項8ないし11のいずれか一項に記載の装置。  The apparatus according to any one of claims 8 to 11, wherein the preamble sequence is determined as one of candidates shown in the following table.
Figure 2012514889
Figure 2012514889
前記帯域幅及び前記搬送波構成の組合と前記プリアンブルシーケンスとの間の対応関係は、下記表と同様であることを特徴とする請求項8ないし12のいずれか一項に記載の装置。  The apparatus according to any one of claims 8 to 12, wherein a correspondence relationship between the combination of the bandwidth and the carrier structure and the preamble sequence is the same as that in the table below.
Figure 2012514889
Figure 2012514889
受信信号を基底帯域サンプルデータに変換する受信部と、  A receiving unit for converting the received signal into baseband sample data;
プリアンブル信号の時間領域の繰返しパターンを利用して前記サンプルデータから時間同期を獲得する時間同期獲得器と、  A time synchronization acquirer that acquires time synchronization from the sample data using a time domain repetition pattern of a preamble signal;
前記時間同期を基準として受信サンプルデータをOFDM(Orthogonal Frequency Division Multiplexing)復調して前記プリアンブルシンボルの周波数領域のデータを生成するOFDM復調器とをさらに含み、  An OFDM demodulator for demodulating the received sample data on the basis of the time synchronization to generate data in the frequency domain of the preamble symbol by demodulating OFDM (Orthogonal Frequency Division Multiplexing);
前記プリアンブルシンボルは、同じ信号が2回繰り返すパターンを有していることを特徴とする請求項8ないし13のいずれか一項に記載の装置。  The apparatus according to any one of claims 8 to 13, wherein the preamble symbol has a pattern in which the same signal repeats twice.
無線通信システムにおけるプリアンブル(preamble)の送信方法において、  In a method for transmitting a preamble in a wireless communication system,
搬送波構成(carrier configuration)及び帯域幅(bandwidth)を基盤としてプリアンブルシーケンスを決定する過程と、  Determining a preamble sequence based on a carrier configuration and a bandwidth;
前記プリアンブルシーケンスを変調する過程と、  Modulating the preamble sequence;
変調された前記プリアンブルシーケンスを予め定められたマッピング規則に従って決定された副搬送波集合にマッピングする過程と、  Mapping the modulated preamble sequence to a subcarrier set determined according to a predetermined mapping rule;
前記プリアンブルシーケンスを送信する過程と、  Transmitting the preamble sequence;
を含む方法。  Including methods.
前記プリアンブルシーケンスの長さは、216であることを特徴とする請求項15に記載の方法。  The method of claim 15, wherein the length of the preamble sequence is 216. 前記副搬送波集合に含まれる副搬送波は、1個の副搬送波間隔に離隔されていることを特徴とする請求項15または16に記載の方法。  The method according to claim 15 or 16, wherein the subcarriers included in the subcarrier set are separated by one subcarrier interval. 前記副搬送波集合は、下記の数式のように決定されることを特徴とする請求項15ないし17のいずれか一項に記載の方法、  The method according to any one of claims 15 to 17, wherein the subcarrier set is determined as follows:
PSCHCarrierSet=2・k+41PSCH CarrierSet = 2 · k + 41
ここで、前記PSCHCarrierSetは、前記プリアンブルのために割当された副搬送波のインデックスを意味し、前記kは0から215までの定数であってインデックス256はDC(Direct Current)副搬送波を指示する。  Here, the PSCH CarrierSet means an index of a subcarrier allocated for the preamble, the k is a constant from 0 to 215, and the index 256 indicates a DC (Direct Current) subcarrier.
前記プリアンブルシーケンスは、下記表に示す候補らのうち一つに決定されることを特徴とする請求項15ないし18のいずれか一項に記載の方法。  The method according to any one of claims 15 to 18, wherein the preamble sequence is determined as one of candidates shown in the following table.
Figure 2012514889
Figure 2012514889
前記帯域幅及び前記搬送波構成の組合と前記プリアンブルシーケンスとの間の対応関係は、下記表と同様であることを特徴とする請求項15ないし19のいずれか一項に記載の方法。The method according to any one of claims 15 to 19, wherein a correspondence relationship between the combination of the bandwidth and the carrier structure and the preamble sequence is the same as that in the table below.
Figure 2012514889
Figure 2012514889
前記副搬送波にマッピングされた前記プリアンブルシーケンスをOFDM(Orthogonal Frequency Division Multiplexing)変調することによってプリアンブルシンボルを生成する過程をさらに含み、  Further comprising: generating a preamble symbol by modulating the preamble sequence mapped to the subcarrier by OFDM (Orthogonal Frequency Division Multiplexing);
前記プリアンブルシンボルは、同じ信号が2回繰り返すパターンを有していることを特徴とする請求項17に記載の方法。  The method of claim 17, wherein the preamble symbol has a pattern in which the same signal repeats twice.
無線通信システムにおけるプリアンブルを受信する方法において、  In a method for receiving a preamble in a wireless communication system,
プリアンブルシンボルにて予め定められた副搬送波集合内の副搬送波から信号を抽出する過程と、  Extracting a signal from a subcarrier in a subcarrier set predetermined by a preamble symbol;
前記副搬送波集合から抽出された信号を復調してプリアンブルシーケンスを検出する過程と、  Demodulating a signal extracted from the subcarrier set to detect a preamble sequence;
前記プリアンブルシーケンスに対応される搬送波構成(carrier configuration)及び帯域幅(bandwidth)を獲得する過程と、  Obtaining a carrier configuration and a bandwidth corresponding to the preamble sequence;
を含む方法。Including methods.
前記プリアンブルシーケンスの長さは、216であることを特徴とする請求項22に記載の方法。  The method of claim 22, wherein the length of the preamble sequence is 216. 前記副搬送波集合に含まれる副搬送波は、1個の副搬送波間隔に離隔されていることを特徴とする請求項22または23に記載の方法。  The method according to claim 22 or 23, wherein the subcarriers included in the subcarrier set are separated by one subcarrier interval. 前記副搬送波集合は、下記の数式のように決定されることを特徴とする請求項22ないし24のいずれか一項に記載の方法、  The method according to any one of claims 22 to 24, wherein the subcarrier set is determined as follows:
PSCHCarrierSet=2・k+41PSCH CarrierSet = 2 · k + 41
ここで、前記PSCHCarrierSetは、前記プリアンブルのために割当された副搬送波のインデックスを意味し、前記kは0から215までの定数であってインデックス256はDC(Direct Current)副搬送波を指示する。  Here, the PSCH CarrierSet means an index of a subcarrier allocated for the preamble, the k is a constant from 0 to 215, and the index 256 indicates a DC (Direct Current) subcarrier.
前記プリアンブルシーケンスは、下記表に示す候補らのうち一つに決定されることを特徴とする請求項22ないし25のいずれか一項に記載の方法。  The method according to any one of claims 22 to 25, wherein the preamble sequence is determined as one of candidates shown in the following table.
Figure 2012514889
Figure 2012514889
前記帯域幅及び前記搬送波構成の組合と前記プリアンブルシーケンスとの間の対応関係は、下記表と同様であることを特徴とする請求項22ないし26のいずれか一項に記載の方法。  27. The method according to any one of claims 22 to 26, wherein a correspondence relationship between the combination of the bandwidth and the carrier structure and the preamble sequence is the same as in the table below.
Figure 2012514889
Figure 2012514889
受信信号を基底帯域サンプルデータに変換する過程と、  A process of converting the received signal into baseband sample data;
前記プリアンブルの時間領域の繰返しパターンを利用して前記サンプルデータから時間同期を獲得する過程と、  Obtaining time synchronization from the sample data using a time domain repetition pattern of the preamble;
前記時間同期を基準として受信サンプルデータをOFDM(Orthogonal Frequency Division Multiplexing)復調して前記プリアンブルシンボルの周波数領域のデータを生成する過程とをさらに含み、  Further comprising a step of demodulating the received sample data with respect to the time synchronization to generate frequency domain data of the preamble symbol by OFDM (Orthogonal Frequency Division Multiplexing);
前記プリアンブルシンボルは、同じ信号が2回繰り返すパターンを有していることを特徴とする請求項22ないし27のいずれか一項に記載の方法。  The method according to any one of claims 22 to 27, wherein the preamble symbol has a pattern in which the same signal repeats twice.
JP2011544381A 2009-01-06 2010-01-06 Synchronization channel generating apparatus and method in wireless communication system Active JP5661049B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20090000927 2009-01-06
KR10-2009-0000927 2009-01-06
KR10-2009-0027432 2009-03-31
KR1020090027432A KR101607846B1 (en) 2009-01-06 2009-03-31 Apparatus and method for generating synchronization channel in wireless communication system
PCT/KR2010/000071 WO2010079953A2 (en) 2009-01-06 2010-01-06 Apparatus and method for generating synchronization channel in a wireless communication system

Publications (3)

Publication Number Publication Date
JP2012514889A JP2012514889A (en) 2012-06-28
JP2012514889A5 true JP2012514889A5 (en) 2012-08-09
JP5661049B2 JP5661049B2 (en) 2015-01-28

Family

ID=42642224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011544381A Active JP5661049B2 (en) 2009-01-06 2010-01-06 Synchronization channel generating apparatus and method in wireless communication system

Country Status (6)

Country Link
JP (1) JP5661049B2 (en)
KR (1) KR101607846B1 (en)
CN (1) CN102273160B (en)
BR (1) BRPI1006069A2 (en)
RU (1) RU2534040C2 (en)
TW (1) TW201027952A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101559794B1 (en) 2009-02-17 2015-10-13 엘지전자 주식회사 Method for sequence generaton and apparatus therefor
WO2012108645A2 (en) * 2011-02-08 2012-08-16 (주)팬택 Method and apparatus for transmitting and receiving channel state information in a wireless communication system
EP2934049B1 (en) 2012-12-11 2019-03-06 LG Electronics Inc. Method and device for acquiring uplink synchronization in wireless access system supporting carrier aggregation
KR102233628B1 (en) * 2013-10-15 2021-03-31 한국전자통신연구원 Apparatus and method for transmitting synchronization signal
US10893520B2 (en) * 2015-08-26 2021-01-12 Qualcomm Incorporated Downlink and synchronization techniques for narrowband wireless communications
WO2017050376A1 (en) 2015-09-24 2017-03-30 Huawei Technologies Co., Ltd. Method and device in a wireless communication system
US11044072B2 (en) 2016-06-01 2021-06-22 Qualcomm Incorporated Optimized secondary synchronization signal
AU2017292436B2 (en) * 2016-07-08 2020-07-16 Sony Semiconductor Solutions Corporation Transmitting device, transmitting method, receiving device and receiving method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7014A (en) * 1850-01-15 Folding bedstead
KR100594597B1 (en) * 2003-10-24 2006-06-30 한국전자통신연구원 Method and apparatus for configuring downlink signal in mobile communication system, method and apparatus for synchronization and cell search using same
KR100946923B1 (en) * 2004-03-12 2010-03-09 삼성전자주식회사 Device and method for transmitting / receiving channel quality information in communication system using orthogonal frequency division multiplexing system and system according thereto
US20050281316A1 (en) * 2004-06-21 2005-12-22 Samsung Electronics Co., Ltd. Method for transmitting/receiving operation mode information in a broadband wireless access communication system
KR100856249B1 (en) * 2004-08-26 2008-09-03 삼성전자주식회사 Initial Operation Mode Detection Method in Wireless Communication System
CN100483977C (en) * 2004-10-29 2009-04-29 清华大学 Time-frequency matrix two-dimensional channel dynamic allocation method in multimedia information transmission
TWI403113B (en) * 2005-12-21 2013-07-21 Interdigital Tech Corp A wireless transmit/receive unit and method of performing cell search in an orthogonal frequency division multiple access based system / a wireless communication system
EP1981191A4 (en) * 2006-01-31 2011-01-26 Mitsubishi Electric Corp Communication control method, receiving station apparatus, transmitting station apparatus, and communication system
WO2007138666A1 (en) * 2006-05-29 2007-12-06 Panasonic Corporation Radio base station apparatus
CN101286787A (en) * 2007-04-11 2008-10-15 北京三星通信技术研究有限公司 Device and method to transfer synchronous channel
CN101796867B (en) * 2007-06-22 2014-11-12 三菱电机株式会社 Communication method, base station, and mobile terminal

Similar Documents

Publication Publication Date Title
JP2012514889A5 (en)
CN106797264B (en) The dynamic configuration of flexible orthogonal frequency division multiplexing PHY transmitting data frame lead code
RU2009104048A (en) DYNAMIC FREQUENCY ALLOCATION AND MODULATION DIAGRAM FOR CONTROL INFORMATION
RU2011148271A (en) POSITION SIGNALS
RU2014124680A (en) METHOD FOR TRANSMITTING A DATA BLOCK IN A WIRELESS LOCAL NETWORK SYSTEM AND A DEVICE FOR ITS SUPPORT
RU2011116059A (en) EFFECTIVE MULTIPLEXING OF THE REFERENCE SIGNAL AND DATA IN A WIRELESS COMMUNICATION SYSTEM
MX2017005831A (en) Preamble based ofdm fine frequency offset estimation.
CN109792419B (en) Wireless transmitter device and wireless receiver device for processing signal waveforms having a selected pulse shaping scheme
RU2009129216A (en) SENDING DEVICE, RECEIVER AND SIGNAL RECEIVING METHOD IN A MOBILE COMMUNICATION SYSTEM USING OFDM DIAGRAM
JP4954617B2 (en) Apparatus and method for communicating in variable bandwidth
RU2009120507A (en) METHOD AND DEVICE IN FDM-CDM HYBRID STRUCTURE FOR ONE CARRYING CONTROL CHANNELS
EP2205030A3 (en) Apparatus and method for generating synchronization channel in a wireless communication system
WO2010095896A3 (en) Method and device for transmitting iws in a wireless communication system
EP4415272A3 (en) Communications device, infrastructure equipment and methods
JP5661049B2 (en) Synchronization channel generating apparatus and method in wireless communication system
EP2491692A4 (en) A communications system utilizing orthogonal linear frequency modulated waveforms
CN103888404B (en) A kind of entire spectrum carrier modulating method based on frequency spectrum shift
CN102739597B (en) Method for generating ACK/NACK (Acknowledge Character/Non-Acknowledgement) signal
JP5490141B2 (en) Sub-synchronization channel transmission / reception apparatus and method in broadband wireless communication system
JP2012514891A5 (en)
KR20170087693A (en) Method and apparatus for synchronizing physical layer link channel
JP2017534206A5 (en)
Ranjha et al. Robust timing synchronization for AC-OFDM based optical wireless communications
JP5811283B2 (en) Receiving device, base station, and signal measuring method
Kongara et al. Implementation of PCC OFDM on a software defined radio platform