JP6655704B2 - 通信方法および通信装置 - Google Patents
通信方法および通信装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 50
- 238000004891 communication Methods 0.000 title claims description 30
- 230000004044 response Effects 0.000 claims description 38
- 108700026140 MAC combination Proteins 0.000 claims description 15
- 125000004122 cyclic group Chemical group 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 33
- 238000010586 diagram Methods 0.000 description 16
- 230000002123 temporal effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
-
- 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
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
- H04L1/0008—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length by supplementing frame payload, e.g. with padding bits
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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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
- H04L1/0078—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
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/324—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
-
- 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]
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
- Radio Transmission System (AREA)
- Time-Division Multiplex Systems (AREA)
Description
第1の追加パッド402によりサブフレームとパディングデリミタの各々の時点間隔が既設定された単位大きさの整数倍になることができる。また、第1の追加パッド、サブフレーム、及びパディングデリミタを含むデータフレームの大きさは、既設定された単位大きさの整数倍になることができる。例えば、単位大きさが4バイトである場合、第1の追加パッドの大きさは、0〜3バイトである。
第2のサブフレーム、第1のパッド、及び第2のパッドは、常にデータフレームに含まれるものではなく、前述されたように、同じ送信区間で複数の受信端末の各々に送信されるデータフレームの長さ、データフレームの既設定された単位大きさ、及びMCSレベル等によってデータフレームに含まれることができる。
この時、第1及び第2のサブフレームは、第1及び第2のサブフレームに含まれているMPDU(MAC Protocol Data Unit)の長さ情報を含み、第2のサブフレームに含まれているMPDUの長さ情報は、0である。即ち、データフレームは、アグリゲーションされたMPDU(A-MPDU)フレームであり、第2のサブフレームは、デリミタ(delimeter)である。
Claims (8)
- 通信方法であって、
アグリゲーションされた第1のMPDU(第1A-MPDU)を含む第1のデータフレームを生成する工程と、
前記第1のデータフレームの長さを目標の長さに等しくなるように調整するために一つ以上のパディングデリミタを前記第1A-MPDUに追加する工程であって、前記一つ以上のパディングデリミタの各々はゼロ(0)であるMPDU(MAC Protocol Data Unit)長さフィールドを前記MPDU長さフィールドに含む、工程と、
第2A−MPDUを含む第2のデータフレームを生成する工程と、
前記第2のデータフレームの長さを前記目標の長さに等しくなるように調整するために一つ以上のパディングデリミタを前記第2A-MPDUに追加する工程と、
前記第1のデータフレームを第1の装置に送信し、前記第2のデータフレームを第2の装置に送信する工程と、
を備える、通信方法。 - 前記パディングデリミタは、巡回冗長検査(CRC)、 およびシグネチャ情報を含む、請求項1に記載の方法。
- 複数のデータフレームを生成する工程と、
前記複数のデータフレームの最も長い長さを決定する工程と、
前記最も長い長さに基づいて前記目標の長さを決定する工程と、をさらに備える、請求項1に記載の方法。 - SIFS時間間隔の後、前記第1の装置から前記第1のデータフレームに応じる応答フレームを受信する工程と、
前記SIFS時間間隔の後、前記第2の装置から前記第2のデータフレームに応じる応答フレームを受信する工程と、
をさらに備える、請求項1に記載の方法。 - 無線通信のための通信装置であって、
メモリと、
前記メモリに接続された少なくとも一つのプロセッサと、を備え、
前記少なくとも一つのプロセッサは、
アグリゲーションされた第1のMPDU(第1A-MPDU)を含む第1のデータフレームを生成することと、
前記第1のデータフレームの長さを目標の長さに等しくなるように調整するために一つ以上のパディングデリミタを前記第1A-MPDUに追加することであって、前記一つ以上のパディングデリミタの各々はゼロ(0)であるMPDU(MAC Protocol Data Unit)長さフィールドを前記MPDU長さフィールドに含むことと、
第2A−MPDUを含む第2のデータフレームを生成することと、
前記第2のデータフレームの長さを前記目標の長さに等しくなるように調整するために一つ以上のパディングデリミタを前記第2A-MPDUに追加することと、
前記通信装置に、前記第1のデータフレームを第1の装置に送信させ、前記第2のデータフレームを第2の装置に送信させることと、
を実行するように構成された通信装置。 - 前記パディングデリミタは、巡回冗長検査(CRC)、およびシグネチャ情報を含む、請求項5に記載の通信装置。
- 前記少なくとも一つのプロセッサは、
複数のデータフレームを生成することと、
前記複数のデータフレームの最も長い長さを決定することと、
前記最も長い長さに基づいて前記目標の長さを決定することと、
をさらに実行するように構成された、請求項5に記載の通信装置。 - 前記少なくとも一つのプロセッサは、
SIFS時間間隔の後、前記第1の装置から前記第1のデータフレームに応じる応答フレームを受信することと、
前記SIFS時間間隔の後、前記第2の装置から前記第2のデータフレームに応じる応答フレームを受信することと、
をさらに実行するように構成された、請求項5に記載の通信装置。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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KR20090106151 | 2009-11-04 | ||
KR10-2009-0106151 | 2009-11-04 | ||
KR10-2010-0005284 | 2010-01-20 | ||
KR20100005284 | 2010-01-20 | ||
KR20100066599 | 2010-07-09 | ||
KR10-2010-0066599 | 2010-07-09 |
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JP2016172874A Division JP6463311B2 (ja) | 2009-11-04 | 2016-09-05 | 無線通信システムにおけるデータ受信方法とその装置 |
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JP2019075813A JP2019075813A (ja) | 2019-05-16 |
JP6655704B2 true JP6655704B2 (ja) | 2020-02-26 |
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JP2012537816A Active JP5707415B2 (ja) | 2009-11-04 | 2010-11-04 | 無線通信システムにおけるデータフレーム生成、送信、及び受信方法とその装置 |
JP2015038743A Active JP6002791B2 (ja) | 2009-11-04 | 2015-02-27 | 無線通信システムにおけるデータフレーム生成、送信、及び受信方法とその装置 |
JP2016172874A Active JP6463311B2 (ja) | 2009-11-04 | 2016-09-05 | 無線通信システムにおけるデータ受信方法とその装置 |
JP2018247854A Active JP6655704B2 (ja) | 2009-11-04 | 2018-12-28 | 通信方法および通信装置 |
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JP2015038743A Active JP6002791B2 (ja) | 2009-11-04 | 2015-02-27 | 無線通信システムにおけるデータフレーム生成、送信、及び受信方法とその装置 |
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US (4) | US8446891B2 (ja) |
EP (3) | EP2498411B1 (ja) |
JP (4) | JP5707415B2 (ja) |
KR (6) | KR101282346B1 (ja) |
CN (2) | CN104811274B (ja) |
AU (1) | AU2010316045B2 (ja) |
BR (1) | BR112012010467B1 (ja) |
CA (1) | CA2779928C (ja) |
DE (1) | DE112010004270T5 (ja) |
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