JP6469733B2 - 直交周波数分割多元接続(ofdma)のリソース割り振りのためのシステムおよび方法 - Google Patents
直交周波数分割多元接続(ofdma)のリソース割り振りのためのシステムおよび方法 Download PDFInfo
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- JP6469733B2 JP6469733B2 JP2016572478A JP2016572478A JP6469733B2 JP 6469733 B2 JP6469733 B2 JP 6469733B2 JP 2016572478 A JP2016572478 A JP 2016572478A JP 2016572478 A JP2016572478 A JP 2016572478A JP 6469733 B2 JP6469733 B2 JP 6469733B2
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- 238000000034 method Methods 0.000 title claims description 33
- 238000013468 resource allocation Methods 0.000 title description 4
- 238000010586 diagram Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 14
- 230000006854 communication Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 230000011664 signaling Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 241001473439 Tonerus Species 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
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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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
-
- 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
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Description
101 カバーエリア
110 アクセスポイント(AP)
120 モバイルデバイス
130 バックホールネットワーク
200 ペイロード
210 RU
220 トーン
300 OFDMAのリソースユニット(RU)
400 ペイロード
410 RU
422 共通パイロットトーン
426 ヌルトーン
500 ペイロード
510 RU
522 予約されたトーン
526 ヌルトーン
600 処理システム
700 実施形態のRUインデックス付け方式
715 サブキャリア
720 サブキャリア
725 サブキャリア
730 サブキャリア
800 実施形態のRU割り振り方式
805 サブキャリアグループ(SCG)
810 サブキャリアグループ(SCG)
815 サブキャリアグループ(SCG)
820 サブキャリアグループ(SCG)
900 インデックス情報
905 識別子(ID)フィールド
910 RU開始インデックス
915 RU終了インデックス
1000 実施形態の方法
1100 実施形態の処理システム
1104 プロセッサ
1106 メモリ
1110 インターフェース
1112 インターフェース
1114 インターフェース
1200 トランシーバ
1202 ネットワーク側インターフェース
1204 カプラ
1206 送信機
1208 受信機
1210 信号プロセッサ
1212 デバイス側インターフェース
Claims (10)
- ワイヤレスネットワークにおいてデータを送信するための方法であって、
送信機によって、1つまたは複数のリソースユニット(RU)内で運ばれる234個のトーンおよび前記1つまたは複数のRUから除外される22個のトーンからなる256トーンのペイロードを含む直交周波数分割多元接続(OFDMA)フレームを生成するステップであって、前記234個のトーンが、データトーンおよびパイロットトーンからなる1つまたは複数のリソースユニット(RU)内で運ばれる、ステップと、
前記生成されたOFDMAフレームを20メガヘルツ(MHz)周波数チャネル上で少なくとも1つの受信機に送信するステップとを含む、方法。 - 前記1つまたは複数のRUの各々が、26個のトーンのまとまりのそれぞれが24個のデータトーンおよび2つのパイロットトーンからなるようにして26の倍数個のトーンからなる、請求項1に記載の方法。
- 前記1つまたは複数のRUのうちのRUが、52個のトーンからなり、前記52個のトーンが4つのパイロットトーンおよび48個のデータトーンからなる、請求項2に記載の方法。
- 前記1つまたは複数のRUから除外される前記22個のトーンが、共通パイロットトーンおよびヌルトーン、または予約されたトーンおよびヌルトーンを含む、請求項1から3のいずれか一項に記載の方法。
- 前記1つまたは複数のRUから除外される前記22個のトーンが、ガードトーン、少なくとも1つの直流トーン、予約されたトーン、またはこれらの組み合わせを含む、請求項1から3のいずれか一項に記載の方法。
- プロセッサと、
前記プロセッサによって実行するためのプログラミングを記憶するコンピュータ可読ストレージ媒体とを含み、前記プログラミングが、
1つまたは複数のリソースユニット(RU)内で運ばれる234個のトーンおよび前記1つまたは複数のRUから除外される22個のトーンからなる256トーンのペイロードを含む直交周波数分割多元接続(OFDMA)フレームを生成することであって、前記234個のトーンが、データトーンおよびパイロットトーンからなる1つまたは複数のリソースユニット(RU)内で運ばれる、ことと、
前記生成されたOFDMAフレームを20メガヘルツ(MHz)周波数チャネル上で少なくとも1つの受信機に送信することとを行うための命令を含む、送信機。 - 前記1つまたは複数のRUの各々が、26個のトーンのまとまりのそれぞれが24個のデータトーンおよび2つのパイロットトーンからなるようにして26の倍数個のトーンからなる、請求項6に記載の送信機。
- 前記1つまたは複数のRUののうちのRUが、52個のトーンからなり、前記52個のトーンが4つのパイロットトーンおよび48個のデータトーンからなる、請求項7に記載の送信機。
- 前記1つまたは複数のRUから除外される前記22個のトーンが、共通パイロットトーンおよびヌルトーン、または予約されたトーンおよびヌルトーンを含む、請求項6から8のいずれか一項に記載の送信機。
- 前記1つまたは複数のRUから除外される前記22個のトーンが、ガードトーン、少なくとも1つの直流トーン、予約されたトーン、またはこれらの組み合わせを含む、請求項6から8のいずれか一項に記載の送信機。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US201462011475P | 2014-06-12 | 2014-06-12 | |
US62/011,475 | 2014-06-12 | ||
US201462020902P | 2014-07-03 | 2014-07-03 | |
US62/020,902 | 2014-07-03 | ||
US201462028208P | 2014-07-23 | 2014-07-23 | |
US62/028,208 | 2014-07-23 | ||
PCT/US2015/035616 WO2015192047A1 (en) | 2014-06-12 | 2015-06-12 | System and method for orthogonal frequency division multiple access (ofdma) resource allocation |
Publications (2)
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JP2017525191A JP2017525191A (ja) | 2017-08-31 |
JP6469733B2 true JP6469733B2 (ja) | 2019-02-13 |
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JP2016572452A Active JP6500916B2 (ja) | 2014-06-12 | 2015-06-12 | 次世代Wi−FiネットワークにおけるOFDMAトーン割り振りのためのシステムおよび方法 |
JP2016572478A Active JP6469733B2 (ja) | 2014-06-12 | 2015-06-12 | 直交周波数分割多元接続(ofdma)のリソース割り振りのためのシステムおよび方法 |
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US (7) | US9722740B2 (ja) |
EP (7) | EP3902192B1 (ja) |
JP (2) | JP6500916B2 (ja) |
KR (2) | KR20170016978A (ja) |
CN (5) | CN105830518B (ja) |
ES (4) | ES2958339T3 (ja) |
PL (3) | PL3143820T3 (ja) |
WO (3) | WO2015192104A2 (ja) |
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