SG11201801055TA - Method for transmitting he-ltf sequence and apparatus - Google Patents

Method for transmitting he-ltf sequence and apparatus

Info

Publication number
SG11201801055TA
SG11201801055TA SG11201801055TA SG11201801055TA SG11201801055TA SG 11201801055T A SG11201801055T A SG 11201801055TA SG 11201801055T A SG11201801055T A SG 11201801055TA SG 11201801055T A SG11201801055T A SG 11201801055TA SG 11201801055T A SG11201801055T A SG 11201801055TA
Authority
SG
Singapore
Prior art keywords
transmitting
ltf sequence
ltf
sequence
Prior art date
Application number
SG11201801055TA
Inventor
Xin Xue
Ningjuan Wang
Le Liu
Wei Lin
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58238652&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG11201801055T(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Priority claimed from PCT/CN2016/096973 external-priority patent/WO2017032343A1/en
Publication of SG11201801055TA publication Critical patent/SG11201801055TA/en

Links

Classifications

    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2614—Peak power aspects
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/262—Reduction thereof by selection of pilot symbols
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • 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
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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]
SG11201801055TA 2015-08-26 2016-08-26 Method for transmitting he-ltf sequence and apparatus SG11201801055TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510532381 2015-08-26
CN201510849062.4A CN106487737B (en) 2015-08-26 2015-11-26 Method and apparatus for transmitting long training sequence in wireless local area network
PCT/CN2016/096973 WO2017032343A1 (en) 2015-08-26 2016-08-26 Method and apparatus for transmitting he-ltf sequence

Publications (1)

Publication Number Publication Date
SG11201801055TA true SG11201801055TA (en) 2018-03-28

Family

ID=58238652

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201801055TA SG11201801055TA (en) 2015-08-26 2016-08-26 Method for transmitting he-ltf sequence and apparatus

Country Status (14)

Country Link
US (4) US10645687B2 (en)
EP (4) EP3937445B1 (en)
JP (1) JP6463552B2 (en)
KR (1) KR102028661B1 (en)
CN (6) CN108551434B (en)
AU (1) AU2016312080B2 (en)
CA (3) CA3089960C (en)
DK (1) DK3657749T3 (en)
ES (2) ES2790383T3 (en)
HU (1) HUE062934T2 (en)
MX (1) MX2018002300A (en)
PL (1) PL3334112T3 (en)
SG (1) SG11201801055TA (en)
ZA (1) ZA201800863B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108551434B (en) * 2015-08-26 2019-04-12 华为技术有限公司 The method and apparatus for transmitting HE-LTF sequence
CN108540412B (en) 2015-11-23 2019-03-26 华为技术有限公司 Wireless local area network data transmission method and device
US10205570B2 (en) * 2015-11-30 2019-02-12 Lg Electronics Inc. Method and apparatus for configuring pilot sequence in WLAN system
KR20220110598A (en) * 2017-04-14 2022-08-08 주식회사 윌러스표준기술연구소 Wireless communication method using bss identifier and wireless communication terminal using same
CN109391578B (en) * 2017-08-11 2022-07-22 华为技术有限公司 Signal sending method, signal receiving method, terminal equipment and network equipment
US11212837B2 (en) * 2017-10-19 2021-12-28 Qualcomm Incorporated Listen before talk sequence design for wireless communication
US20190288895A1 (en) * 2018-03-16 2019-09-19 Qualcomm Incorporated Wireless communication via a large bandwidth channel
CN116366414A (en) 2018-07-27 2023-06-30 华为技术有限公司 Method and device for designing short training sequence
CN110876200B (en) * 2018-09-04 2023-04-18 华为技术有限公司 Method and device for transmitting data
DE212019000381U1 (en) * 2018-09-18 2021-04-20 Marvell World Trade Ltd. High-efficiency transmission of long training field symbols for several transmission streams
SG10201808652UA (en) 2018-10-01 2020-05-28 Panasonic Ip Corp America Communication Apparatus and Communication Method for Channel Estimation
KR102595373B1 (en) * 2019-08-12 2023-10-31 엘지전자 주식회사 Method and device for receiving PPDU over broadband in wireless LAN system
CN110784297B (en) * 2019-10-31 2022-05-24 普联技术有限公司 Resource unit allocation method and device
CN114788237B (en) * 2019-10-31 2024-02-27 Lg 电子株式会社 Techniques for transmitting LTF signals in a wireless communication system
WO2021112336A1 (en) * 2019-12-06 2021-06-10 엘지전자 주식회사 Method for generating ltf sequence
CN113078987A (en) 2020-01-03 2021-07-06 华为技术有限公司 Method and apparatus for transmitting physical layer protocol data unit
WO2021182755A1 (en) * 2020-03-13 2021-09-16 엘지전자 주식회사 4x ltf sequence for 320mhz band
WO2021230471A1 (en) * 2020-05-13 2021-11-18 엘지전자 주식회사 4x ltf sequence for 80mhz band
US20210360628A1 (en) * 2020-05-15 2021-11-18 Samsung Electronics Co., Ltd. Apparatus and method of communication based on extended bandwidth and multi-resource unit in wireless local area network system
CN113923082B (en) * 2020-07-10 2023-03-10 华为技术有限公司 Method and related device for transmitting PPDU
CN114070697B (en) * 2020-08-05 2023-02-10 华为技术有限公司 Method and device for transmitting physical layer protocol data unit
CN114629749A (en) * 2020-12-11 2022-06-14 华为技术有限公司 Signal processing method and device
CN113098843B (en) * 2021-03-08 2022-06-14 中国地质大学（武汉） High-speed random sampling encryption method for geological and geographical big data
US11711184B2 (en) * 2021-10-04 2023-07-25 Qualcomm Incorporated Long training field (LTF) in distributed transmission

Family Cites Families (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7916803B2 (en) 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US7660362B2 (en) * 2004-06-18 2010-02-09 Broadcom Corporation Wireless local area network system using space-time block coding (STBC) having backward compatibility with prior standards
US7426199B2 (en) 2005-06-29 2008-09-16 Intel Corporation Wireless communication device and method for reducing carrier frequency offsets over a simultaneous multi-user uplink in a multicarrier communication network
US7701919B2 (en) 2006-05-01 2010-04-20 Alcatel-Lucent Usa Inc. Method of assigning uplink reference signals, and transmitter and receiver thereof
US8848837B2 (en) 2006-10-19 2014-09-30 Intel Mobile Communications GmbH Statistical procedures for carrier frequency tracking
PL2241049T3 (en) * 2008-01-08 2019-09-30 Hmd Global Oy Sounding reference signal arrangement
TWI498922B (en) 2008-03-06 2015-09-01 Panduit Corp Communication system, communication cable and barrier tape with improved crosstalk attenuation, and method for attenuating alien crosstalk between a plurality of communication cables
CN101610543B (en) * 2008-06-20 2012-12-19 中兴通讯股份有限公司 Method and system for adjusting position of resource block
EP2720399A1 (en) 2008-08-25 2014-04-16 Aware, Inc. System and method of sub-carrier indexing for devices with different decoding capabilities
JP5077181B2 (en) 2008-10-14 2012-11-21 ソニー株式会社 Information receiving apparatus, information transmitting apparatus, and information communication system
JP5615903B2 (en) * 2009-04-10 2014-10-29 コーニンクレッカ フィリップス エヌ ヴェ Signaling method and apparatus enabling multi-antenna communication in a wireless system
CN101924721B (en) * 2009-06-10 2013-06-05 清华大学 Method for determining downlink multi-access system transmission mode, transmitting end device and receiving end device
TW201105057A (en) 2009-07-16 2011-02-01 Ralink Technology Corp Method and apparatus for generating training sequences in wireless communication system
US8693356B2 (en) 2009-07-16 2014-04-08 Ralink Technology Corp. Method for wireless communication system and device using the same
US8488539B2 (en) 2009-07-16 2013-07-16 Ralink Technology Corp. Method of generating preamble sequence
US8385443B2 (en) * 2009-07-17 2013-02-26 Qualcomm Incorporated Constructing very high throughput long training field sequences
US8917784B2 (en) * 2009-07-17 2014-12-23 Qualcomm Incorporated Method and apparatus for constructing very high throughput long training field sequences
KR20110027533A (en) * 2009-09-09 2011-03-16 엘지전자 주식회사 Method and apparatus for transmitting control information in multiple antenna system
US8982686B2 (en) * 2010-06-07 2015-03-17 Qualcomm Incorporated Communication devices for generating and using a matrix-mapped sequence
CN102469053A (en) * 2010-11-08 2012-05-23 中兴通讯股份有限公司 Processing method and system of ultra-high throughput and long training domain
US8885740B2 (en) 2011-02-04 2014-11-11 Marvell World Trade Ltd. Control mode PHY for WLAN
US9178745B2 (en) * 2011-02-04 2015-11-03 Marvell World Trade Ltd. Control mode PHY for WLAN
US8625690B2 (en) 2011-03-04 2014-01-07 Qualcomm Incorporated Systems and methods for wireless communication in sub gigahertz bands
KR101538255B1 (en) 2011-04-26 2015-07-20 인텔 코포레이션 Methods and arrangements for low power wireless networks
CN102826212A (en) 2011-06-16 2012-12-19 渠仁书 Balance adjusting device
TWI574533B (en) 2011-06-24 2017-03-11 內數位專利控股公司 Method and wireless transmit / receive unitfor receiving a preamble in multi-user multipleoutput communications
US8501286B2 (en) * 2011-07-22 2013-08-06 Shenzhen China Star Optoelectronics Technology Co., Ltd. Reactive monomer of liquid crystal and liquid crystal panel
KR101945974B1 (en) * 2011-11-02 2019-02-11 마벨 월드 트레이드 리미티드 Method and apparatus for automatically detecting a physical layer (phy) mode of a data unit in a wireless local area network (wlan)
US9480104B2 (en) 2012-01-30 2016-10-25 Marvell World Trade Ltd. Systems and methods for generating preamble symbols in communication systems
KR101585366B1 (en) * 2012-02-14 2016-01-13 엘지전자 주식회사 Method for transmitting data units in wireless lan systems and apparatus for supporting same
US9078237B2 (en) 2012-04-13 2015-07-07 Intel Corporation Methods and arrangements for orthogonal training sequences in wireless networks
US8995320B2 (en) * 2012-04-16 2015-03-31 Qualcomm Incorporated Systems and methods of using space time block codes
KR20150013640A (en) * 2012-04-30 2015-02-05 인터디지탈 패튼 홀딩스, 인크 Method and apparatus for supporting coordinated orthogonal block-based resource allocation(cobra) operations
US9172449B2 (en) 2012-08-21 2015-10-27 Telefonaktiebolaget L M Ericsson (Publ) Precoding for MIMO
US9584355B2 (en) 2013-03-25 2017-02-28 Intel Deutschland Gmbh Device and method for frequency offset estimation
US10439773B2 (en) 2013-04-15 2019-10-08 Qualcomm Incorporated Systems and methods for backwards-compatible preamble formats for multiple access wireless communication
US9439161B2 (en) * 2013-07-17 2016-09-06 Qualcomm Incorporated Physical layer design for uplink (UL) multiuser multiple-input, multiple-output (MU-MIMO) in wireless local area network (WLAN) systems
US9325533B2 (en) * 2013-11-06 2016-04-26 Ixia Systems and methods for improved wireless channel estimation
KR20160098209A (en) 2013-12-14 2016-08-18 엘지전자 주식회사 Method and device for transferring data from wireless lan to plurality of stas
EP3164980B1 (en) * 2014-07-04 2020-03-11 Newracom, Inc. Physical layer protocol data unit format in a high efficiency wireless lan
KR20160013820A (en) 2014-07-28 2016-02-05 뉴라컴 인코포레이티드 Downlink acknowledgment in response to uplink multiple user transmission
EP3496354B1 (en) * 2014-08-21 2020-04-01 LG Electronics Inc. -1- Method for uplink transmission in wireless communication system and apparatus therefor
US20170222769A1 (en) 2014-08-26 2017-08-03 Intel IP Corporation Apparatus, method, and computer readable medium for transmitting a high-efficiency wireless local-area network signal field for small and large bandwidth allocations
WO2016036016A1 (en) * 2014-09-03 2016-03-10 엘지전자 주식회사 Method and device for transmitting training field in wireless lan
KR102533693B1 (en) 2014-10-31 2023-05-18 엘지전자 주식회사 Method and apparatus for multi-user transmission and reception in a wireless communication system
WO2016070330A1 (en) 2014-11-04 2016-05-12 华为技术有限公司 Ltf generation method and apparatus
US10165470B2 (en) * 2014-11-05 2018-12-25 Intel IP Corporation High-efficiency (HE) station and method for configuring HE packets with long and short preamble formats
CN104580053B (en) * 2014-12-02 2017-09-15 江苏中兴微通信息科技有限公司 The receiving/transmission method and device of OFDMA technologies are realized in wideband wireless local area network
WO2016090372A1 (en) 2014-12-05 2016-06-09 Marvell Semiconductor, Inc. Trigger frame format for orthogonal frequency division multiple access (ofdma) communication
EP3229434B1 (en) * 2014-12-05 2019-09-04 LG Electronics Inc. Data transmission method in wireless communication system and device therefor
US20180263047A1 (en) * 2014-12-25 2018-09-13 Lg Electronics Inc. Method and apparatus for transmitting data unit on basis of trigger frame
US9949285B2 (en) * 2015-01-07 2018-04-17 Futurewei Technologies, Inc. System and method for digital communications with interference avoidance
KR20170103861A (en) * 2015-01-08 2017-09-13 마벨 월드 트레이드 리미티드 Downlink signaling in a high efficiency wireless local area network (WLAN)
US9825796B2 (en) 2015-03-04 2017-11-21 Avago Technologies General Ip (Singapore) Pte. Ltd Long training field (LTF) within wireless communications
US9628310B2 (en) 2015-03-25 2017-04-18 Newracom, Inc. Long training field sequence construction
WO2016167438A1 (en) * 2015-04-15 2016-10-20 엘지전자 주식회사 Method for transmitting/receiving signal in wireless lan system and device therefor
US9912462B2 (en) 2015-04-28 2018-03-06 Intel IP Corporation Apparatus, computer readable medium, and method for alignment of long training fields in a high efficiency wireless local-area network
US9923680B2 (en) 2015-06-03 2018-03-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Beamforming feedback tone/sub-carrier location within wireless communications
US9955459B2 (en) * 2015-06-05 2018-04-24 Intel IP Corporation Orthogonal frequency division multiple access uplink resource allocation
CN105119851B (en) * 2015-07-03 2018-11-09 魅族科技（中国）有限公司 Wireless LAN communication method and equipment
WO2017007266A1 (en) * 2015-07-07 2017-01-12 엘지전자 주식회사 Method for operating sounding in wireless lan system, and apparatus therefor
US9913217B2 (en) * 2015-07-07 2018-03-06 Intel IP Corporation Transmission feedback mechanism for polling wireless devices
US10159043B1 (en) 2015-07-28 2018-12-18 Marvell International Ltd. Training sequences in wireless communication systems
US10122508B2 (en) 2015-07-31 2018-11-06 Lg Electronics Inc. Method and apparatus for configuring a long training field in a wireless local area network system
WO2017020283A1 (en) 2015-08-05 2017-02-09 华为技术有限公司 He-ltf sequence generation method, processing device, access point, and station
US9998951B2 (en) 2015-08-05 2018-06-12 Qualcomm Incorporated Training sequence generation for wireless communication networks
US9998263B2 (en) * 2015-08-10 2018-06-12 Intel IP Corporation Scheduling resources for orthogonal frequency division multiple access uplink transmissions
US10129001B2 (en) * 2015-08-14 2018-11-13 Newracom, Inc. Block acknowledgment for multi-user transmissions in WLAN systems
CN108551434B (en) * 2015-08-26 2019-04-12 华为技术有限公司 The method and apparatus for transmitting HE-LTF sequence
US10420121B2 (en) 2015-11-03 2019-09-17 Newracom, Inc. Aggregated HE control content in A-MPDU
US10135590B2 (en) 2015-11-26 2018-11-20 Lg Electronics Inc. Method and apparatus for configuring long training field in wireless local network system
TW201733389A (en) 2016-01-14 2017-09-16 內數位專利控股公司 Control and operation in wireless local area network
US10187893B2 (en) 2016-04-19 2019-01-22 Lg Electronics Inc. Method and apparatus for configuring long training field in wireless local network system
US20180027514A1 (en) 2016-07-20 2018-01-25 Xiaogang Chen Resource unit indication for extended range packets
WO2020096349A1 (en) 2018-11-06 2020-05-14 엘지전자 주식회사 Method and device for transmitting eht ppdu in wireless lan system

Also Published As

Publication number Publication date
US20200169996A1 (en) 2020-05-28
US10616882B2 (en) 2020-04-07
US11843493B2 (en) 2023-12-12
AU2016312080A1 (en) 2018-03-08
EP3657749A1 (en) 2020-05-27
CN113612591A (en) 2021-11-05
EP3334112A1 (en) 2018-06-13
EP3334112B1 (en) 2020-02-19
AU2016312080B2 (en) 2019-03-14
EP3334112A4 (en) 2018-08-01
CN110545165B (en) 2020-10-27
PL3334112T3 (en) 2020-08-10
DK3657749T3 (en) 2021-08-09
HUE062934T2 (en) 2023-12-28
US10645687B2 (en) 2020-05-05
US20190215813A1 (en) 2019-07-11
EP4280554A2 (en) 2023-11-22
CA2995892C (en) 2023-01-17
CA3089960C (en) 2023-11-28
CN108551434B (en) 2019-04-12
MX2018002300A (en) 2018-04-11
KR20180034647A (en) 2018-04-04
EP4280554A3 (en) 2024-02-28
CN110545165A (en) 2019-12-06
KR102028661B1 (en) 2019-10-04
CN113162746A (en) 2021-07-23
US20180184408A1 (en) 2018-06-28
ES2790383T3 (en) 2020-10-27
EP3657749B1 (en) 2021-05-19
CA3089960A1 (en) 2017-03-02
CA3183273A1 (en) 2017-03-02
CA2995892A1 (en) 2017-03-02
ZA201800863B (en) 2019-10-30
CN106487737B (en) 2021-04-20
JP6463552B2 (en) 2019-02-06
US11265873B2 (en) 2022-03-01
EP3937445B1 (en) 2023-06-07
EP3937445A1 (en) 2022-01-12
ES2953874T3 (en) 2023-11-16
JP2018533244A (en) 2018-11-08
CN106487737A (en) 2017-03-08
CN108551434A (en) 2018-09-18
CN113315612A (en) 2021-08-27
US20220407752A1 (en) 2022-12-22

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