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
- Publication number
- 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
- Authority
- JP
- Japan
- Prior art keywords
- tones
- rus
- tone
- data
- pilot
- 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.)
- Active
Links
- 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
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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]
Landscapes
- 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 |
---|---|---|---|
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)
Publication Number | Publication Date |
---|---|
JP2017525191A JP2017525191A (ja) | 2017-08-31 |
JP6469733B2 true JP6469733B2 (ja) | 2019-02-13 |
Family
ID=54834428
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
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 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (9)
Country | Link |
---|---|
US (7) | US10298365B2 (ja) |
EP (7) | EP4236551A3 (ja) |
JP (2) | JP6469733B2 (ja) |
KR (2) | KR20170020855A (ja) |
CN (5) | CN111555851B (ja) |
DE (1) | DE602015060876C5 (ja) |
ES (4) | ES2958339T3 (ja) |
PL (3) | PL3143820T3 (ja) |
WO (3) | WO2015192047A1 (ja) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602015060876C5 (de) | 2014-06-12 | 2024-10-24 | Huawei Technologies Co., Ltd. | Verfahren und sendegerät für ofdma-ressourcenzuweisung |
US10616020B2 (en) * | 2014-07-28 | 2020-04-07 | Lg Electronics Inc. | Transmitting and receiving device and method in wireless communication system |
US10340964B2 (en) | 2014-08-18 | 2019-07-02 | Huawei Technologies Co., Ltd. | System and method for orthogonal frequency division multiple access (OFDMA) transmission |
US9854580B2 (en) * | 2014-09-04 | 2017-12-26 | Qualcomm, Incorporated | Efficient resource allocation |
KR101928447B1 (ko) * | 2014-09-13 | 2018-12-12 | 엘지전자 주식회사 | 무선랜에서 자원 단위를 할당하는 방법 및 장치 |
US9774425B2 (en) * | 2014-09-16 | 2017-09-26 | Newracom, Inc. | Frame transmitting method and frame receiving method |
CN107113140B (zh) * | 2014-10-06 | 2020-08-28 | Lg 电子株式会社 | 在wlan中在包括导频音调的资源单元上发送数据的方法和装置 |
US9571256B2 (en) * | 2014-10-08 | 2017-02-14 | Intel Corporation | Systems, methods, and devices for allocating OFDMA subchannels without straddling direct current |
US9924510B2 (en) * | 2014-12-03 | 2018-03-20 | Intel IP Corporation | Wireless device, method, and computer readable media for orthogonal frequency division multiple access (OFDMA) allocations based on a basic tone resource unit or entire sub-channel |
US20160204915A1 (en) * | 2015-01-14 | 2016-07-14 | Xiaogang Chen | Apparatus, computer readable medium, and method for generating and receiving signal fields in a high efficiency wireless local-area network |
CN112134666B (zh) | 2015-01-26 | 2022-03-11 | 华为技术有限公司 | 用于传送正交频分复用(ofdm)帧格式的系统和方法 |
US10389563B2 (en) | 2015-05-05 | 2019-08-20 | Intel IP Corporation | Systems and methods for Wi-Fi high efficiency preambles for resource unit allocation |
US9801133B2 (en) | 2015-06-16 | 2017-10-24 | Intel Corporation | Apparatus, system and method of communicating a wakeup packet response |
US10015745B2 (en) * | 2015-06-16 | 2018-07-03 | Intel Corporation | Apparatus, system and method of communicating a wakeup packet |
CN107534502B (zh) * | 2015-07-01 | 2019-08-09 | 松下知识产权经营株式会社 | 资源分配信息的发送装置和发送方法 |
US10117254B2 (en) * | 2015-07-31 | 2018-10-30 | Qualcomm Incorporated | Pilot sequences in data streams |
CN107872307B (zh) * | 2015-09-28 | 2021-03-19 | 联发科技股份有限公司 | 确定资源单元的方法,资源单元相关信息传输方法及相应装置 |
US10524289B2 (en) | 2015-12-25 | 2019-12-31 | Kabushiki Kaisha Toshiba | Wireless communication device |
US10945274B2 (en) | 2016-05-13 | 2021-03-09 | Huawei Technologies Co., Ltd. | System and method for bandwidth utilization |
CN107580368A (zh) * | 2016-07-05 | 2018-01-12 | 珠海市魅族科技有限公司 | 无线局域网的通信方法、通信装置、接入点和站点 |
US20180063299A1 (en) * | 2016-08-29 | 2018-03-01 | Intel IP Corporation | Transition intervals for channel bonding in wireless networks |
WO2018048498A1 (en) * | 2016-09-09 | 2018-03-15 | Intel Corporation | Signal spectra for wireless networks |
US10270625B2 (en) | 2016-12-19 | 2019-04-23 | Futurewei Technologies, Inc. | Hardware virtualization for mean and variance estimations of QAM symbols |
WO2018186648A1 (ko) * | 2017-04-04 | 2018-10-11 | 엘지전자 주식회사 | 무선랜 시스템에서 웨이크업 패킷을 송신하는 방법 및 장치 |
US20180376370A1 (en) * | 2017-06-26 | 2018-12-27 | Qualcomm Incorporated | Wakeup packet preamble |
US11296914B2 (en) * | 2017-07-06 | 2022-04-05 | Sony Corporation | Communication device and communication method |
JP7208763B2 (ja) * | 2018-10-29 | 2023-01-19 | キヤノン株式会社 | 通信装置、通信装置の制御方法、およびプログラム |
US10862637B2 (en) | 2018-11-08 | 2020-12-08 | Huawei Technologies Co., Ltd. | Segment based reference signal |
WO2020226680A1 (en) * | 2019-05-03 | 2020-11-12 | Huawei Technologies Co. Ltd. | Adaptive reordering in multiband communication systems |
CN110784297B (zh) * | 2019-10-31 | 2022-05-24 | 普联技术有限公司 | 一种资源单元的分配方法及装置 |
US11889532B2 (en) * | 2019-11-08 | 2024-01-30 | Maxlinear, Inc. | Multi-link range extension |
CN116709521A (zh) * | 2020-01-08 | 2023-09-05 | 华为技术有限公司 | 一种数据处理方法、装置 |
EP3876469A1 (en) | 2020-03-03 | 2021-09-08 | Samsung Electronics Co., Ltd. | Apparatus and method employing multi-resource unit for user in a wireless local area network |
US11641254B2 (en) | 2020-03-09 | 2023-05-02 | Apple Inc. | Multi-resource-unit aggregation |
US11737123B2 (en) | 2020-04-23 | 2023-08-22 | Samsung Electronics Co., Ltd. | Communication based on a multi-resource unit in wireless local area network system |
US11696178B2 (en) | 2020-05-25 | 2023-07-04 | Samsung Electronics Co., Ltd. | Apparatus and method for reducing overhead of signaling field in physical layer convergence protocol in wireless local area network system |
CN112751797B (zh) * | 2020-12-29 | 2023-11-03 | 厦门城市职业学院(厦门开放大学) | Ofdma上行载波频偏盲蔽式估测法 |
CN112736096B (zh) * | 2021-01-15 | 2024-09-10 | 京东方科技集团股份有限公司 | 一种显示基板的制备方法、显示基板及显示装置 |
Family Cites Families (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6928084B2 (en) * | 2000-03-28 | 2005-08-09 | At & T Corp. | OFDM communication system and method having a reduced peak-to-average power ratio |
US7072315B1 (en) * | 2000-10-10 | 2006-07-04 | Adaptix, Inc. | Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks |
KR100790114B1 (ko) * | 2002-03-16 | 2007-12-31 | 삼성전자주식회사 | 직교주파수 분할다중 접속 시스템에서 적응적 파일럿반송파 할당 방법 및 장치 |
US7042857B2 (en) | 2002-10-29 | 2006-05-09 | Qualcom, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
KR100488802B1 (ko) * | 2002-12-09 | 2005-05-12 | 한국전자통신연구원 | 직교 주파수 분할 다중화 무선 통신 시스템에서의 반송파주파수 오차와 샘플링 주파수 오차 추적 방법 및 그 장치 |
US7957359B1 (en) * | 2003-11-19 | 2011-06-07 | Nortel Networks Limited | Method of resource allocation in a multiple access wireless communications network |
KR100651454B1 (ko) * | 2004-03-05 | 2006-11-29 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 셀룰러 통신 시스템에서 부채널 할당 방법 |
KR101053610B1 (ko) | 2004-06-25 | 2011-08-03 | 엘지전자 주식회사 | Ofdm/ofdma 시스템의 무선자원 할당 방법 |
US7477633B2 (en) * | 2004-09-09 | 2009-01-13 | Agere Systems Inc. | Method and apparatus for varying the number of pilot tones in a multiple antenna communication system |
WO2006092852A1 (ja) | 2005-03-02 | 2006-09-08 | Fujitsu Limited | Ofdm通信システム及びofdm通信方法 |
KR100782627B1 (ko) | 2005-12-30 | 2007-12-06 | 포스데이타 주식회사 | 통신 단말기에서 반송파 주파수 오프셋을 추정하는 방법 및상기 방법을 수행하는 통신 단말기 |
WO2008026891A1 (en) | 2006-08-30 | 2008-03-06 | Posdata Co., Ltd. | Apparatus and method for estimating and compensating time offset and/or carrier frequency offset in mimo system based ofdm/ofdma |
CN101136881B (zh) | 2006-08-31 | 2012-10-10 | 世意法(北京)半导体研发有限责任公司 | 一种ofdma上行链路接收机和估计载波频偏的方法 |
KR100877750B1 (ko) * | 2006-12-27 | 2009-01-12 | 포스데이타 주식회사 | 직교주파수 분할 다중 접속 시스템의 파일럿 톤 생성 방법및 장치와 이를 이용한 채널추정 방법 및 장치 |
CN101299735B (zh) * | 2007-04-30 | 2013-01-23 | 华为技术有限公司 | 一种载波频率偏移估计的方法和系统 |
KR100895049B1 (ko) | 2007-06-12 | 2009-04-30 | 포스데이타 주식회사 | Ofdm 또는 ofdma를 지원하는 무선통신시스템에서의 채널 추정 장치 및 방법 |
US8798202B2 (en) | 2007-06-15 | 2014-08-05 | Motorola Mobility Llc | Method and apparatus using sounding PPDUs to provide range extension to IEEE 802.11n signals |
US8345584B2 (en) | 2007-09-26 | 2013-01-01 | Lantiq Deutschland Gmbh | Wireless local area network and access point for a wireless local area network |
JP4613944B2 (ja) | 2007-11-09 | 2011-01-19 | 住友電気工業株式会社 | 無線通信装置 |
KR101498060B1 (ko) | 2008-02-19 | 2015-03-03 | 엘지전자 주식회사 | Ofdm(a) 시스템에서의 상향링크 전송 방법 |
CN101547170A (zh) | 2008-03-27 | 2009-09-30 | 电子科技大学 | 适用于ofdm的多载波传输的时变信道参数估计方法 |
CN101299836B (zh) * | 2008-04-30 | 2012-04-04 | 中兴通讯股份有限公司 | 调度信息位置指示方法 |
US8125885B2 (en) | 2008-07-11 | 2012-02-28 | Texas Instruments Incorporated | Frequency offset estimation in orthogonal frequency division multiple access wireless networks |
US8040790B2 (en) * | 2008-08-29 | 2011-10-18 | Indian Institute Of Technology | Low complexity bandwidth efficient carrier frequency offset estimation technique for OFDMA uplink transmissions |
EP2230786A1 (en) * | 2009-03-16 | 2010-09-22 | Panasonic Corporation | Channel quality feedback signalling in communication systems |
US8437440B1 (en) | 2009-05-28 | 2013-05-07 | Marvell International Ltd. | PHY frame formats in a system with more than four space-time streams |
US8693356B2 (en) | 2009-07-16 | 2014-04-08 | Ralink Technology Corp. | Method for wireless communication system and device using the same |
US8571010B1 (en) | 2009-07-21 | 2013-10-29 | Marvell International Ltd. | Simultaneous uplink transmission in a wireless network |
US8599804B2 (en) | 2009-08-07 | 2013-12-03 | Broadcom Corporation | Distributed signal field for communications within multiple user, multiple access, and/or MIMO wireless communications |
US8804688B2 (en) * | 2009-08-11 | 2014-08-12 | Clearwire Ip Holdings Llc | System and method providing various pilot sub-carrier densities in OFDMA communications |
CN101635619B (zh) * | 2009-08-28 | 2012-09-05 | 华为技术有限公司 | 子载波发送方法、基站和系统 |
US8432785B2 (en) | 2009-09-02 | 2013-04-30 | Qualcomm Incorporated | Flexible SDMA and interference suppression |
KR20110027533A (ko) | 2009-09-09 | 2011-03-16 | 엘지전자 주식회사 | 다중 안테나 시스템에서 제어정보 전송 방법 및 장치 |
US8265184B2 (en) * | 2009-11-18 | 2012-09-11 | Wi-Lan, Inc. | Digital communications receiver and method of estimating residual carrier frequency offset in a received signal |
US8717957B2 (en) | 2010-02-10 | 2014-05-06 | Broadcom Corporation | Preamble and header bit allocation for power savings within multiple user, multiple access, and/or MIMO wireless communications |
US20110194655A1 (en) * | 2010-02-10 | 2011-08-11 | Qualcomm Incorporated | Methods and apparatus to perform residual frequency offset estimation and correction in ieee 802.11 waveforms |
US9025428B2 (en) | 2010-04-14 | 2015-05-05 | Qualcomm Incorporated | Allocating and receiving tones for a frame |
US9025681B2 (en) | 2010-07-01 | 2015-05-05 | Marvell World Trade Ltd. | Modulation of signal field in a WLAN frame header |
US8542659B2 (en) | 2010-07-07 | 2013-09-24 | Marvell World Trade Ltd. | Cyclic shift delays in multi-user packets with resolvable very high throughput long training fields (VHTLTFs) |
US10098154B2 (en) | 2010-07-08 | 2018-10-09 | Qualcomm Incorporated | Method and apparatus for detection and resolution of resource collision in a peer-to-peer network |
KR101863306B1 (ko) | 2010-08-10 | 2018-05-31 | 마벨 월드 트레이드 리미티드 | 통신 시스템에서 채널 설명 피드백 |
KR20130108384A (ko) * | 2010-10-13 | 2013-10-02 | 마벨 월드 트레이드 리미티드 | Ofdm 심볼을 생성하기 위한 방법 및 장치 |
US8532077B2 (en) | 2010-12-14 | 2013-09-10 | Intel Corporation | Frame format techniques for non-resolvable long training fields in wireless networks |
EP2671337B1 (en) | 2011-02-04 | 2018-04-11 | Marvell World Trade Ltd. | Control mode phy for wlan |
US9210643B2 (en) * | 2011-03-03 | 2015-12-08 | Agency For Science, Technology And Research | Communication terminal and method for performing communication |
US8625690B2 (en) * | 2011-03-04 | 2014-01-07 | Qualcomm Incorporated | Systems and methods for wireless communication in sub gigahertz bands |
JP5704709B2 (ja) * | 2011-03-31 | 2015-04-22 | 独立行政法人情報通信研究機構 | 長時間遅延拡散環境のためのofdmaシステム |
US20120263141A1 (en) * | 2011-04-15 | 2012-10-18 | Qualcomm Incorporated | Systems and methods for range extension of wireless communication in sub gigahertz bands |
US9048994B2 (en) * | 2011-04-18 | 2015-06-02 | Broadcom Corporation | Downclocking and/or adaptive sub-carriers for single user, multiple user, multiple access, and/or MIMO wireless communications |
CN102761505B (zh) * | 2011-04-29 | 2017-05-10 | 中兴通讯股份有限公司 | 频偏估计方法及装置 |
US8934413B2 (en) * | 2011-05-13 | 2015-01-13 | Qualcomm Incorporated | Systems and methods for wireless communication of packets having a plurality of formats |
CN102357579A (zh) | 2011-08-03 | 2012-02-22 | 汪涛 | 钢管电动翻边机 |
US20130230120A1 (en) * | 2011-08-29 | 2013-09-05 | Qualcomm Incorporated | Apparatus and methods for long and short training sequences for a fast fourier transform |
CN103947170B (zh) * | 2011-11-21 | 2018-01-19 | 英特尔公司 | 用于低功率和低数据率操作的无线设备和方法 |
US9584281B2 (en) | 2012-01-04 | 2017-02-28 | Qualcomm Incorporated | Position based signaling for short packets with minimal interference to the macro |
US9001930B2 (en) | 2012-02-21 | 2015-04-07 | Futurewei Technologies, Inc. | Dual-stream signal (SIG) field encoding with higher order modulation |
WO2013134231A1 (en) * | 2012-03-06 | 2013-09-12 | Interdigital Patent Holdings, Inc. | Method and apparatus for power savings in a wireless local area network |
US9774481B2 (en) * | 2012-04-05 | 2017-09-26 | Qualcomm, Incorporated | Systems and methods for transmitting pilot tones |
US9008167B2 (en) * | 2012-12-29 | 2015-04-14 | Intel Corporation | Methods and arrangements for phase tracking for multi-mode operation in wireless networks |
US9712316B2 (en) * | 2013-02-27 | 2017-07-18 | Panasonic Corporation | Reception apparatus, phase error estimation method, and phase error correction method |
US9954711B2 (en) * | 2013-06-07 | 2018-04-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Orthogonal frequency division multiple access (OFDMA) structures for high efficiency wireless communications |
US9462575B2 (en) * | 2013-08-28 | 2016-10-04 | Qualcomm Incorporated | Low rate data communication |
US9544914B2 (en) * | 2013-11-19 | 2017-01-10 | Intel IP Corporation | Master station and method for HEW communication using a transmission signaling structure for a HEW signal field |
WO2015081132A1 (en) | 2013-11-27 | 2015-06-04 | Marvell World Trade Ltd. | Orthogonal frequency division multiple access for wireless local area network |
CA2933598C (en) | 2013-12-14 | 2019-08-20 | Lg Electronics Inc. | Method and device for transferring data from wireless lan to plurality of stas |
US10034236B2 (en) | 2014-02-04 | 2018-07-24 | Lg Electronics Inc. | Method and apparatus for receiving data unit |
US9661638B2 (en) | 2014-05-07 | 2017-05-23 | Qualcomm Incorporated | Methods and apparatus for signaling user allocations in multi-user wireless communication networks |
KR20150128613A (ko) | 2014-05-09 | 2015-11-18 | 뉴라컴 인코포레이티드 | 프레임 전송 및 수신 방법 |
US9832059B2 (en) * | 2014-06-02 | 2017-11-28 | Marvell World Trade Ltd. | High efficiency orthogonal frequency division multiplexing (OFDM) physical layer (PHY) |
DE602015060876C5 (de) | 2014-06-12 | 2024-10-24 | Huawei Technologies Co., Ltd. | Verfahren und sendegerät für ofdma-ressourcenzuweisung |
US20150365257A1 (en) | 2014-06-12 | 2015-12-17 | Huawei Technologies Co., Ltd. | System and Method for OFDMA Resource Allocation |
-
2015
- 2015-06-12 DE DE602015060876.3A patent/DE602015060876C5/de active Active
- 2015-06-12 ES ES20182803T patent/ES2958339T3/es active Active
- 2015-06-12 US US14/738,411 patent/US10298365B2/en active Active
- 2015-06-12 EP EP23174562.1A patent/EP4236551A3/en active Pending
- 2015-06-12 WO PCT/US2015/035616 patent/WO2015192047A1/en active Application Filing
- 2015-06-12 CN CN202010214213.XA patent/CN111555851B/zh active Active
- 2015-06-12 JP JP2016572478A patent/JP6469733B2/ja active Active
- 2015-06-12 EP EP21180622.9A patent/EP3902192B1/en active Active
- 2015-06-12 CN CN202010033759.5A patent/CN111245588B/zh active Active
- 2015-06-12 US US14/738,620 patent/US20150365947A1/en not_active Abandoned
- 2015-06-12 EP EP15805859.4A patent/EP3146782B1/en active Active
- 2015-06-12 EP EP20182803.5A patent/EP3737054B1/en active Active
- 2015-06-12 EP EP23166909.4A patent/EP4221114B1/en active Active
- 2015-06-12 ES ES15807463T patent/ES2926554T3/es active Active
- 2015-06-12 PL PL15807463.3T patent/PL3143820T3/pl unknown
- 2015-06-12 KR KR1020177000961A patent/KR20170020855A/ko not_active Application Discontinuation
- 2015-06-12 CN CN201580003196.2A patent/CN105830518B/zh active Active
- 2015-06-12 PL PL20182803.5T patent/PL3737054T3/pl unknown
- 2015-06-12 KR KR1020177000960A patent/KR20170016978A/ko not_active IP Right Cessation
- 2015-06-12 EP EP15806942.7A patent/EP3143741B1/en active Active
- 2015-06-12 US US14/738,643 patent/US9722740B2/en active Active
- 2015-06-12 WO PCT/US2015/035697 patent/WO2015192104A2/en active Application Filing
- 2015-06-12 ES ES21180622T patent/ES2951495T3/es active Active
- 2015-06-12 EP EP15807463.3A patent/EP3143820B1/en active Active
- 2015-06-12 WO PCT/US2015/035696 patent/WO2015192103A1/en active Application Filing
- 2015-06-12 CN CN201580003342.1A patent/CN105850088B/zh active Active
- 2015-06-12 ES ES15806942T patent/ES2838689T3/es active Active
- 2015-06-12 JP JP2016572452A patent/JP6500916B2/ja active Active
- 2015-06-12 PL PL15806942T patent/PL3143741T3/pl unknown
- 2015-06-12 CN CN201580031433.6A patent/CN106465380B/zh active Active
-
2017
- 2017-06-16 US US15/625,795 patent/US10211954B2/en active Active
-
2018
- 2018-12-07 US US16/213,412 patent/US10567128B2/en active Active
-
2020
- 2020-02-11 US US16/787,811 patent/US10944522B2/en active Active
-
2021
- 2021-03-05 US US17/193,856 patent/US11581989B2/en active Active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6469733B2 (ja) | 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 | |
JP7059235B2 (ja) | 直交周波数分割多重(ofdm)フレームフォーマットを通信するためのシステム及び方法 | |
JP2020504548A (ja) | 柔軟な新無線(nr)ロングタームエボリューション(lte)共存のための信号表示 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180122 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180426 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180918 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181213 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20181221 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190116 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6469733 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |