JP6342363B2 - Mimoシステムにおけるデータを送受信する方法及び装置 - Google Patents
Mimoシステムにおけるデータを送受信する方法及び装置 Download PDFInfo
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- JP6342363B2 JP6342363B2 JP2015101327A JP2015101327A JP6342363B2 JP 6342363 B2 JP6342363 B2 JP 6342363B2 JP 2015101327 A JP2015101327 A JP 2015101327A JP 2015101327 A JP2015101327 A JP 2015101327A JP 6342363 B2 JP6342363 B2 JP 6342363B2
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- 238000000034 method Methods 0.000 title claims description 144
- 230000005540 biological transmission Effects 0.000 claims description 152
- 101100421503 Arabidopsis thaliana SIGA gene Proteins 0.000 claims description 5
- 230000001934 delay Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for 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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- 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
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
- H04L1/0643—Properties of the code block codes
-
- 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
-
- 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
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (12)
- 無線LANのための方法であって、
第1のシグナルフィールドを、帯域幅が20MHzの倍数である動作帯域で受信端末によって受信するステップと、
MU−MIMO(Multi−User Multiple Input Multiple Output)送信のための一つの直交周波数分割多重(OFDM)シンボル内の第2のシグナルフィールドを、前記動作帯域で前記受信端末によって受信するステップと、を備え、
前記第2のシグナルフィールドは、各々が少なくとも一つのストリームを介して送信される複数のSIG Bを含み、前記複数のSIG Bは前記動作帯域の前記帯域幅に応じてSIG Bを所定回数繰り返すことによって取得され、
前記所定回数は、前記動作帯域の前記帯域幅が増加するにつれて増加し、
前記第1のシグナルフィールドは、前記MU−MIMO送信向けの複数の受信端末に共通する第1の情報を含み、前記SIG Bは前記受信端末に特有の第2の情報を含み、
前記第2のシグナルフィールドは、複数の空間ストリームから選択された少なくとも一つの空間ストリームを介して受信され、前記少なくとも一つの空間ストリームは、前記受信端末に対応するものであり、
前記動作帯域の帯域幅が40MHzよりも大きい場合、前記複数のSIG Bは第1の部分と第2の部分を含み、
前記第1の部分は、第1のシンボルと第2のシンボルを含み、
前記第1のシンボルと前記第2のシンボルは別の20MHz帯域幅にあり、かつ前記第2の部分は前記第1の部分の繰り返しである、
方法。 - 前記第1のシグナルフィールドは、前記MU−MIMO送信を適用せずに受信される、請求項1に記載の方法。
- 前記第1のシグナルフィールドは、前記動作帯域の各20MHz帯域幅で繰り返し送信される、請求項1に記載の方法。
- 前記第1のシグナルフィールドは、VHT−SIG A(Very High Throughput Signal A)フィールドを含み、前記第2のシグナルフィールドはVHT−SIG Bフィールドを含む、請求項1に記載の方法。
- 前記SIG Bのビット数は、前記動作帯域の帯域幅が20MHzの場合は26ビットである、請求項1に記載の方法。
- 前記SIG Bのビット数は、前記動作帯域の帯域幅が40MHzの場合は27ビットである、請求項1に記載の方法。
- 前記SIG Bのビット数は、前記動作帯域の帯域幅が40MHzより大きい場合は29ビットである、請求項1に記載の方法。
- 前記第2のシグナルフィールドのエラーを検出するために用いられるCRCフィールドを含むデータフィールドを受信するステップをさらに有する、請求項1に記載の方法。
- 無線LANのための装置であって、
第1のシグナルフィールドを、帯域幅が20MHzの倍数である動作帯域で受信し、
MU−MIMO(Multi−User Multiple Input Multiple Output)送信のための一つの直交周波数分割多重(OFDM)シンボル内の第2のシグナルフィールドを前記動作帯域で受信する、
ように構成された受信部と、
前記第1のシグナルフィールド及び前記第2のシグナルフィールドに基づいてデータを取得するように構成されたデータ取得部と、
を備え、
前記第2のシグナルフィールドは、各々が少なくとも一つのストリームを介して送信される複数のSIG Bを含み、前記複数のSIG Bは動作帯域の帯域幅に応じてSIG
Bを所定回数繰り返すことによって取得され、
前記所定回数は、前記動作帯域の前記帯域幅が増加するにつれて増加し、
前記第1のシグナルフィールドは、前記MU−MIMO送信向けの複数の受信端末に共通する第1の情報を含み、前記SIG Bは前記装置に特有の第2の情報を含み、
前記第2のシグナルフィールドは、複数の空間ストリームから選択された少なくとも一つの空間ストリームを介して受信され、前記少なくとも一つの空間ストリームは、前記装置に対応するものであり、
前記動作帯域の帯域幅が40MHzよりも大きい場合、前記複数のSIG Bは第1の部分と第2の部分を含み、
前記第1の部分は、第1のシンボルと第2のシンボルを含み、
前記第1のシンボルと前記第2のシンボルは別の20MHz帯域幅にあり、かつ前記第2の部分は前記第1の部分の繰り返しである、
装置。 - 前記第1のシグナルフィールドは、前記MU−MIMO送信を適用せずに受信される、請求項9に記載の装置。
- 前記第1のシグナルフィールドは、前記動作帯域の各20MHz帯域幅で繰り返し送信される、請求項9に記載の装置。
- 前記第1のシグナルフィールドは、VHT−SIG A(Very High Throughput Signal A)フィールドを含み、前記第2のシグナルフィールドはVHT−SIG Bフィールドを含む、請求項9に記載の装置。
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0022122 | 2010-03-12 | ||
KR20100022122 | 2010-03-12 | ||
KR10-2010-0065898 | 2010-07-08 | ||
KR20100065898 | 2010-07-08 | ||
KR10-2010-0066458 | 2010-07-09 | ||
KR20100066458 | 2010-07-09 | ||
KR10-2010-0068167 | 2010-07-14 | ||
KR20100068167 | 2010-07-14 | ||
KR20100072506 | 2010-07-27 | ||
KR10-2010-0072506 | 2010-07-27 |
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JP2015201858A JP2015201858A (ja) | 2015-11-12 |
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JP2015101327A Active JP6342363B2 (ja) | 2010-03-12 | 2015-05-18 | Mimoシステムにおけるデータを送受信する方法及び装置 |
JP2017035293A Active JP6532904B2 (ja) | 2010-03-12 | 2017-02-27 | Mimoシステムにおけるデータを送受信する方法及び装置 |
JP2019057099A Active JP6741814B2 (ja) | 2010-03-12 | 2019-03-25 | 無線通信方法、無線通信装置、およびステーション用の通信装置 |
JP2020126629A Active JP7095032B2 (ja) | 2010-03-12 | 2020-07-27 | Mimoシステムにおけるデータを送受信する方法及び装置 |
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JP2019057099A Active JP6741814B2 (ja) | 2010-03-12 | 2019-03-25 | 無線通信方法、無線通信装置、およびステーション用の通信装置 |
JP2020126629A Active JP7095032B2 (ja) | 2010-03-12 | 2020-07-27 | Mimoシステムにおけるデータを送受信する方法及び装置 |
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US (6) | US8654881B2 (ja) |
EP (4) | EP3393053B1 (ja) |
JP (5) | JP2013522950A (ja) |
KR (1) | KR101202197B1 (ja) |
CN (2) | CN105227267B (ja) |
AU (1) | AU2011224961B2 (ja) |
BR (1) | BR112012022749B1 (ja) |
CA (1) | CA2792929C (ja) |
DE (1) | DE112011100890T5 (ja) |
ES (2) | ES2924198T3 (ja) |
MX (1) | MX2012010564A (ja) |
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