PT3400748T - Padrões e esquemas de detecção de salto de frequência de canais físicos de acesso aleatório de banda estreita - Google Patents

Padrões e esquemas de detecção de salto de frequência de canais físicos de acesso aleatório de banda estreita

Info

Publication number
PT3400748T
PT3400748T PT16809561T PT16809561T PT3400748T PT 3400748 T PT3400748 T PT 3400748T PT 16809561 T PT16809561 T PT 16809561T PT 16809561 T PT16809561 T PT 16809561T PT 3400748 T PT3400748 T PT 3400748T
Authority
PT
Portugal
Prior art keywords
random access
access channel
frequency hopping
narrow band
channel frequency
Prior art date
Application number
PT16809561T
Other languages
English (en)
Portuguese (pt)
Original Assignee
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PT3400748T publication Critical patent/PT3400748T/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • H04B1/7143Arrangements for generation of hop patterns
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0866Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
PT16809561T 2016-01-07 2016-11-03 Padrões e esquemas de detecção de salto de frequência de canais físicos de acesso aleatório de banda estreita PT3400748T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662276211P 2016-01-07 2016-01-07
US15/341,753 US10334633B2 (en) 2016-01-07 2016-11-02 Narrow band physical random access channel frequency hopping patterns and detection schemes

Publications (1)

Publication Number Publication Date
PT3400748T true PT3400748T (pt) 2021-10-25

Family

ID=57539594

Family Applications (1)

Application Number Title Priority Date Filing Date
PT16809561T PT3400748T (pt) 2016-01-07 2016-11-03 Padrões e esquemas de detecção de salto de frequência de canais físicos de acesso aleatório de banda estreita

Country Status (24)

Country Link
US (2) US10334633B2 (enExample)
EP (2) EP3930416B1 (enExample)
JP (3) JP2019506792A (enExample)
KR (2) KR102073384B1 (enExample)
CN (2) CN108464053B (enExample)
AU (1) AU2016385368B2 (enExample)
CA (1) CA3006726C (enExample)
CL (1) CL2018001815A1 (enExample)
CO (1) CO2018006984A2 (enExample)
DK (1) DK3400748T3 (enExample)
ES (1) ES2894329T3 (enExample)
HU (1) HUE056286T2 (enExample)
MX (1) MX384372B (enExample)
MY (1) MY192677A (enExample)
PH (1) PH12018501158B1 (enExample)
PL (1) PL3400748T3 (enExample)
PT (1) PT3400748T (enExample)
RU (1) RU2711872C1 (enExample)
SA (1) SA518391871B1 (enExample)
SG (1) SG11201804380PA (enExample)
SI (1) SI3400748T1 (enExample)
TW (1) TWI694737B (enExample)
WO (1) WO2017119943A1 (enExample)
ZA (1) ZA201804523B (enExample)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10334633B2 (en) 2016-01-07 2019-06-25 Qualcomm Incorporated Narrow band physical random access channel frequency hopping patterns and detection schemes
AU2017212225B2 (en) 2016-01-29 2019-10-31 Telefonaktiebolaget Lm Ericsson (Publ) Frequency hopping for random access
EP3413631B1 (en) * 2016-02-04 2023-08-09 Sharp Kabushiki Kaisha Terminal device, base station device and communications methods
US20190068427A1 (en) * 2016-03-10 2019-02-28 Lg Electronics Inc. Method for performing random access procedure for single tone transmission in wireless comunication system and apparatus therefor
EP3430762B1 (en) * 2016-03-16 2021-06-09 Telefonaktiebolaget LM Ericsson (PUBL) Narrowband internet of things random access channel configuration design
KR102123233B1 (ko) * 2016-09-01 2020-06-17 주식회사 케이티 차세대 무선 액세스 망에서 데이터를 송수신하는 방법 및 그 장치
US10405332B2 (en) * 2016-09-06 2019-09-03 Samsung Electronics Co., Ltd. Coexistence of different radio access technologies or services on a same carrier
JP6810255B2 (ja) 2016-09-26 2021-01-06 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ 狭帯域用の物理的に分離されたチャンネル、低複雑な受信機
EP3566536B1 (en) 2017-01-05 2024-05-15 Telefonaktiebolaget LM Ericsson (publ) Narrowband physical random access channel (nprach) for extended range
CN108289338B (zh) * 2017-01-09 2023-07-04 北京三星通信技术研究有限公司 随机接入信道选择的方法及用户设备
KR102312572B1 (ko) * 2017-06-21 2021-10-14 삼성전자 주식회사 무선 통신 시스템에서 업링크 동기를 수행하는 방법
EP3652866B1 (en) * 2017-07-13 2024-12-25 ZTE Corporation System and method for transmitting a signal
US11395341B2 (en) 2017-08-09 2022-07-19 Lg Electronics Inc. Method for performing random access process and device therefor
FI3681236T3 (fi) * 2017-09-08 2024-12-09 Ntt Docomo Inc Tukiasemalaite ja käyttäjälaite
WO2019061319A1 (en) * 2017-09-29 2019-04-04 Qualcomm Incorporated ENHANCEMENT OF NARROW-BAND PHYSICAL RANDOM ACCESS CHANNEL CAPACITY
CN109600211B (zh) * 2017-09-30 2024-06-07 中兴通讯股份有限公司 随机接入前导的跳频处理方法和装置、及终端和存储介质
KR102356442B1 (ko) 2017-11-13 2022-01-28 한국전자통신연구원 랜덤 액세스용 프리엠블의 타이밍 추정 방법, 랜덤 액세스용 프리엠블 검출 방법 및 랜덤 액세스용 프리엠블 검출 장치
EP3614640B1 (en) 2018-01-25 2022-03-02 Lg Electronics Inc. Method of transmitting nprach preambles in wireless communication system supporting tdd
BR112020015144A2 (pt) * 2018-02-06 2021-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Método realizado por um dispositivo sem fio, método implementado por um nó de rede de rádio, dispositivo sem fio, programa de computador, portadora, e, estação base
BR112020016084A2 (pt) * 2018-02-12 2020-12-15 Huawei Technologies Co., Ltd. Método de comunicação, dispositivo de comunicação e dispositivo de rede, e meio de armazenamento
WO2019202555A1 (en) * 2018-04-18 2019-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Sfn timing for frequency hopping systems
WO2019220944A1 (ja) 2018-05-17 2019-11-21 ソニーセミコンダクタソリューションズ株式会社 送信機、送信方法、受信機、受信方法、および通信方法
DE102018210245A1 (de) * 2018-06-22 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung von kanalzugriffsmustern für untereinander unkoordinierte netzwerke
EP3827632B1 (en) * 2018-07-24 2025-01-08 Koninklijke KPN N.V. Reliable low latency communication over shared resources
CN109195115B (zh) * 2018-07-25 2021-03-02 山东精诚电子科技有限公司 利用窄带网络实现语音寻呼和广播的系统及方法
EP3868027B1 (en) * 2018-10-26 2025-03-26 Huawei Technologies Co., Ltd. Network device and wireless communication device for cyclic communication
US10659099B1 (en) * 2018-12-12 2020-05-19 Samsung Electronics Co., Ltd. Page scanning devices, computer-readable media, and methods for bluetooth page scanning using a wideband receiver
CN111278159B (zh) * 2019-01-18 2022-04-29 维沃移动通信有限公司 一种随机接入传输方法及终端
US10945293B2 (en) * 2019-07-25 2021-03-09 Qualcomm Incorporated Frequency hopping for two-step random access
CN111092703A (zh) * 2019-07-26 2020-05-01 中兴通讯股份有限公司 一种信号发送方法、装置、通讯节点及存储介质
DE102019212704A1 (de) * 2019-08-23 2021-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Unipolare binärfolgen mit gutem periodischen korrelationsverhalten
DE102019216347A1 (de) * 2019-10-23 2021-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Unipolare Binärfolgen mit verbessertem nichtperiodischen Korrelationsverhalten für unsynchronisierte TSMA-Systeme
US20220369375A1 (en) * 2019-11-07 2022-11-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for random access
CN114616909A (zh) * 2019-11-07 2022-06-10 株式会社Ntt都科摩 终端
WO2021093139A1 (en) * 2020-01-03 2021-05-20 Zte Corporation Methods and devices for enhancement on sounding reference signal (srs) transmission signaling
US12200646B2 (en) * 2020-06-12 2025-01-14 Qualcomm Incorporated Scheduling time offset for non-terrestrial networks
WO2022040995A1 (zh) * 2020-08-26 2022-03-03 华为技术有限公司 一种通信方法及装置
JP7598958B2 (ja) * 2020-12-21 2024-12-12 中興通訊股▲ふん▼有限公司 Puschのサブキャリア間隔とprachのサブキャリア間隔との組み合わせのためのシステムおよび方法
JP7721969B2 (ja) * 2021-06-02 2025-08-13 Smc株式会社 パターン生成装置、パターン生成方法、及び、無線通信システム
KR20240067889A (ko) * 2021-09-23 2024-05-17 지티이 코포레이션 캐리어와 캐리어 주파수 사이의 매핑
US11516057B1 (en) * 2021-09-30 2022-11-29 Silicon Laboratories Inc. Generating a preamble portion of an orthogonal frequency division multiplexing transmission having frequency disruption
CN115442196B (zh) * 2022-08-24 2024-05-28 成都中科微信息技术研究院有限公司 一种增强NR PRACH_format_0覆盖能力的方法
US20240314708A1 (en) * 2023-03-13 2024-09-19 Qualcomm Incorporated Repeater power management for positioning

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6246713B1 (en) * 1998-06-08 2001-06-12 Telefonaktiebolaget Lm Ericsson (Publ) Frequency-hopping in a bandwidth-on-demand system
KR100294070B1 (ko) * 1999-06-23 2001-06-15 박태진 이중주파수도약 통신 시스템 및 제어방법
US6870875B1 (en) * 1999-09-30 2005-03-22 Andrzej Partyka Transmission of urgent messages in frequency hopping system for intermittent transmission
US7551546B2 (en) * 2002-06-27 2009-06-23 Nortel Networks Limited Dual-mode shared OFDM methods/transmitters, receivers and systems
US7457295B2 (en) * 2002-12-10 2008-11-25 Adapt4 Llc Radio communication system employing spectral reuse transceivers
UA91498C2 (ru) * 2003-10-16 2010-08-10 Квелком Инкорпорейтед Устройство для улучшения передачи обслуживания между секторами и/или между сотами в системе беспроводной связи с несколькими несущими (варианты)
US20050105505A1 (en) * 2003-11-07 2005-05-19 Eran Fishler Transceiver for a wireless local area network having a sparse preamble data sequence
US8254360B2 (en) 2005-06-16 2012-08-28 Qualcomm Incorporated OFDMA control channel interlacing
TW201608907A (zh) * 2006-01-31 2016-03-01 內數位科技公司 無縣通信系統中提供及利用非競爭基礎頻道方法及裝置
US8369424B2 (en) * 2006-07-14 2013-02-05 Qualcomm Incorporated Frequency selective and frequency diversity transmissions in a wireless communication system
GB2446197A (en) * 2007-02-05 2008-08-06 Nec Corp Frequency-hopping method and mobile communication system
US8345620B2 (en) * 2007-02-08 2013-01-01 Qualcomm Incorporated Method and apparatus for frequency hopping with frequency fraction reuse
JP2008301422A (ja) * 2007-06-04 2008-12-11 Mitsubishi Electric Corp 通信システム、端末および基地局
JP5539200B2 (ja) * 2007-08-10 2014-07-02 アルカテル−ルーセント モバイル・ユーザ・リソース割当て方法およびそれを使用したリソース割当てスケジューラ
JP5038060B2 (ja) * 2007-08-14 2012-10-03 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、基地局装置、ユーザ装置及び方法
JP5142379B2 (ja) * 2008-03-19 2013-02-13 パナソニック株式会社 移動局装置及び基地局装置、並びに無線通信システムの通信制御方法
WO2010002306A1 (en) * 2008-07-01 2010-01-07 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatuses for performing preamble assignment for random access in a telecommunications system
US8780816B2 (en) 2008-08-12 2014-07-15 Qualcomm Incorporated Handling uplink grant in random access response
RU2465745C1 (ru) * 2008-08-12 2012-10-27 Квэлкомм Инкорпорейтед Управление предоставлением восходящей линии связи в ответе произвольного доступа
US9119164B2 (en) * 2008-08-20 2015-08-25 Qualcomm Incorporated Generating access point beacons at different power levels
US8553743B1 (en) 2008-10-17 2013-10-08 Honeywell International Inc. System, apparatus and method for communicating messages using multiple frequency hopping sequences
US20100110994A1 (en) 2008-10-30 2010-05-06 Motorola, Inc. Method and apparatus for allocating a physical random access channel in an othogonal frequency division multiplexing communication system
US8913562B2 (en) * 2008-10-31 2014-12-16 Intel Mobile Communications GmbH Method of accessing a physical random access channel, method of signaling access information for accessing a physical random access channel, mobile communication terminal and base station
US8175134B1 (en) * 2009-04-29 2012-05-08 L-3 Communications, Corp Radio communications system and method having decreased capability for detection by an adversary
JP2011188316A (ja) * 2010-03-10 2011-09-22 Nec Corp 周波数ホッピング無線通信装置およびその周波数ホッピング方法ならびに送信装置および受信装置
US20120120888A1 (en) * 2010-11-02 2012-05-17 Samsung Electronics Co., Ltd. Apparatus and method for primary uplink shared channel hopping in a wireless network
KR101923440B1 (ko) * 2011-02-15 2018-11-29 엘지전자 주식회사 무선접속시스템에서 채널품질제어정보 전송방법 및 장치
CN103079282A (zh) * 2011-10-26 2013-05-01 中兴通讯股份有限公司 随机接入方法、装置及系统
US9577704B2 (en) * 2012-03-01 2017-02-21 The Boeing Company Satellite communications management system
WO2014025157A1 (en) * 2012-08-05 2014-02-13 Lg Electronics Inc. Method of configuring cyclic prefix for small cell in wireless communication system and apparatus therefor
US9179409B2 (en) * 2012-12-03 2015-11-03 Qualcomm Incorporated Multiple access scheme for narrowband channels
KR101438199B1 (ko) 2013-01-09 2014-09-11 주식회사 엘지씨엔에스 교통 요금 관리 방법, 이를 수행하는 교통 요금 관리 서버 및 이를 수행하는 교통 요금 관리 시스템
KR20150113072A (ko) * 2013-01-29 2015-10-07 엘지전자 주식회사 무선 통신 시스템에서 고주파 대역을 위한 랜덤 액세스 채널 송신 방법 및 이를 위한 장치
WO2015005742A1 (ko) * 2013-07-12 2015-01-15 엘지전자 주식회사 무선 통신 시스템에서 신호 전송 방법 및 장치
EP3120485B1 (en) * 2014-03-20 2018-02-14 Interdigital Patent Holdings, Inc. Method and apparatus for non-orthogonal access in lte systems
KR102023296B1 (ko) * 2014-06-13 2019-09-19 애플 인크. 전력 절감, 범위 개선 및 개선된 검출을 위한 향상된 prach 방식
US20160127936A1 (en) * 2014-11-05 2016-05-05 Debdeep CHATTERJEE User equipment and methods for csi measurements with reduced bandwidth support
WO2016072216A1 (ja) * 2014-11-06 2016-05-12 株式会社Nttドコモ ユーザ端末、無線基地局及び無線通信方法
ES3031939T3 (en) * 2015-08-14 2025-07-14 Ericsson Telefon Ab L M Random access procedure for mtc operation
JP6503139B2 (ja) * 2015-09-28 2019-04-17 テレフオンアクチーボラゲット エルエム エリクソン(パブル) Paバックオフを最小化するランダムアクセスプリアンブル
US10110405B2 (en) * 2015-11-05 2018-10-23 Qualcomm Incorporated System and method for narrowband uplink single tone transmissions
EP3319391B1 (en) * 2015-12-08 2019-09-04 Huawei Technologies Co., Ltd. Data transmission method, base station, and terminal device
US10090880B2 (en) * 2015-12-18 2018-10-02 Qualcomm Incorporated Narrow band PRACH with multiple tone hopping distances
US10334633B2 (en) 2016-01-07 2019-06-25 Qualcomm Incorporated Narrow band physical random access channel frequency hopping patterns and detection schemes

Also Published As

Publication number Publication date
ZA201804523B (en) 2021-06-30
KR102073384B1 (ko) 2020-02-04
HK1258333A1 (zh) 2019-11-08
CA3006726C (en) 2021-07-27
US10334633B2 (en) 2019-06-25
AU2016385368A1 (en) 2018-06-21
AU2016385368B2 (en) 2020-06-11
JP6977129B2 (ja) 2021-12-08
HUE056286T2 (hu) 2022-02-28
KR20180100327A (ko) 2018-09-10
JP2021036671A (ja) 2021-03-04
EP3930416A1 (en) 2021-12-29
EP3930416C0 (en) 2025-08-13
DK3400748T3 (da) 2021-10-11
US10904922B2 (en) 2021-01-26
BR112018013688A2 (pt) 2018-12-04
PL3400748T3 (pl) 2022-01-03
KR102406581B1 (ko) 2022-06-07
EP3930416B1 (en) 2025-08-13
CN113286377B (zh) 2023-09-12
MY192677A (en) 2022-08-30
JP2021036670A (ja) 2021-03-04
TWI694737B (zh) 2020-05-21
SA518391871B1 (ar) 2022-11-27
US20170202028A1 (en) 2017-07-13
US20180324868A1 (en) 2018-11-08
PH12018501158B1 (en) 2024-06-21
CN113286377A (zh) 2021-08-20
NZ742989A (en) 2021-07-30
SG11201804380PA (en) 2018-07-30
MX2018008317A (es) 2018-09-21
JP7104759B2 (ja) 2022-07-21
ES2894329T3 (es) 2022-02-14
JP2019506792A (ja) 2019-03-07
WO2017119943A1 (en) 2017-07-13
CO2018006984A2 (es) 2018-07-19
SI3400748T1 (sl) 2021-11-30
PH12018501158A1 (en) 2019-02-04
CN108464053A (zh) 2018-08-28
TW201725929A (zh) 2017-07-16
KR20200013806A (ko) 2020-02-07
EP3400748B1 (en) 2021-09-15
RU2711872C1 (ru) 2020-01-24
CA3006726A1 (en) 2017-07-13
EP3400748A1 (en) 2018-11-14
CL2018001815A1 (es) 2018-11-09
MX384372B (es) 2025-03-14
CN108464053B (zh) 2021-05-25

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