CL2018001815A1 - Patrones de salto de frecuencia de canal de acceso aleatorio físico de banda angosta y esquemas de detección - Google Patents

Patrones de salto de frecuencia de canal de acceso aleatorio físico de banda angosta y esquemas de detección

Info

Publication number
CL2018001815A1
CL2018001815A1 CL2018001815A CL2018001815A CL2018001815A1 CL 2018001815 A1 CL2018001815 A1 CL 2018001815A1 CL 2018001815 A CL2018001815 A CL 2018001815A CL 2018001815 A CL2018001815 A CL 2018001815A CL 2018001815 A1 CL2018001815 A1 CL 2018001815A1
Authority
CL
Chile
Prior art keywords
random access
access channel
physical random
narrow band
detection schemes
Prior art date
Application number
CL2018001815A
Other languages
English (en)
Inventor
Peter Gaal
Hao Xu
Wanshi Chen
Renqiu Wang
Xiao Feng Wang
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 CL2018001815A1 publication Critical patent/CL2018001815A1/es

Links

Classifications

    • 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
    • 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
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • 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
    • 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

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)

Abstract

MÉTODO PARA COMUNICACIÓN INALÁMBRICA QUE COMPRENDE IDENTIFICAR UN CANAL DE ACCESO ALEATORIO FÍSICO (PRACH) PARA COMUNICACIÓN ENTRE UNA ESTACIÓN BASE Y UN EQUIPO DE USUARIO (UE) Y DETERMINAR UN PATRÓN DE SALTO DE FRECUENCIA DENTRO DEL PRACH PARA UN PREÁMBULO DE ACCESO ALEATORIO QUE COMPRENDE UNA PLURALIDAD DE TRANSMISIONES DE TONO SENCILLO; APARATO; MEDIO LEGIBLE POR COMPUTADORA NO TRANSITORIO.
CL2018001815A 2016-01-07 2018-07-03 Patrones de salto de frecuencia de canal de acceso aleatorio físico de banda angosta y esquemas de detección CL2018001815A1 (es)

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
CL2018001815A1 true CL2018001815A1 (es) 2018-11-09

Family

ID=57539594

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2018001815A CL2018001815A1 (es) 2016-01-07 2018-07-03 Patrones de salto de frecuencia de canal de acceso aleatorio físico de banda angosta y esquemas de detección

Country Status (25)

Country Link
US (2) US10334633B2 (es)
EP (2) EP3400748B1 (es)
JP (3) JP2019506792A (es)
KR (2) KR102073384B1 (es)
CN (2) CN108464053B (es)
AU (1) AU2016385368B2 (es)
CA (1) CA3006726C (es)
CL (1) CL2018001815A1 (es)
CO (1) CO2018006984A2 (es)
DK (1) DK3400748T3 (es)
ES (1) ES2894329T3 (es)
HK (1) HK1258333A1 (es)
HU (1) HUE056286T2 (es)
MX (1) MX2018008317A (es)
MY (1) MY192677A (es)
PH (1) PH12018501158A1 (es)
PL (1) PL3400748T3 (es)
PT (1) PT3400748T (es)
RU (1) RU2711872C1 (es)
SA (1) SA518391871B1 (es)
SG (1) SG11201804380PA (es)
SI (1) SI3400748T1 (es)
TW (1) TWI694737B (es)
WO (1) WO2017119943A1 (es)
ZA (1) ZA201804523B (es)

Families Citing this family (38)

* 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
JP6616905B2 (ja) * 2016-01-29 2019-12-04 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) ランダムアクセスのための周波数ホッピング
CN114126002B (zh) * 2016-02-04 2024-03-15 夏普株式会社 终端装置、基站装置、通信方法以及集成电路
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
WO2017160221A1 (en) * 2016-03-16 2017-09-21 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
MX2019003426A (es) * 2016-09-26 2019-08-16 Fraunhofer Ges Forschung Canales separados fisicamente para receptores de baja complejidad, de banda estrecha.
WO2018128579A1 (en) 2017-01-05 2018-07-12 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
AU2017423114B2 (en) * 2017-07-13 2023-04-27 Zte Corporation System and method for transmitting a signal
WO2019031864A1 (ko) 2017-08-09 2019-02-14 엘지전자 주식회사 랜덤 접속 과정을 수행하는 방법 및 이를 위한 장치
CN111096039B (zh) * 2017-09-08 2023-08-18 株式会社Ntt都科摩 终端、终端的通信方法和基站装置
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
CN115277336B (zh) 2018-01-25 2023-07-28 Lg电子株式会社 在无线通信系统中发送和接收nprach前导码的方法和设备
EP3750249A1 (en) * 2018-02-06 2020-12-16 Telefonaktiebolaget LM Ericsson (publ) Frequency hopping for a random access preamble
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
US11128405B2 (en) * 2018-04-18 2021-09-21 Telefonaktiebolaget Lm Ericsson (Publ) SFN timing for frequency hopping systems
EP3796563A4 (en) * 2018-05-17 2021-07-21 Sony Semiconductor Solutions Corporation TRANSMITTER, TRANSMISSION PROCESS, RECEIVER, RECEPTION PROCESS, AND COMMUNICATION PROCESS
DE102018210245A1 (de) * 2018-06-22 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung von kanalzugriffsmustern für untereinander unkoordinierte netzwerke
US11792840B2 (en) * 2018-07-24 2023-10-17 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
CN112930649B (zh) * 2018-10-26 2022-11-25 华为技术有限公司 用于循环通信的网络设备和无线通信设备
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
CN114616909A (zh) * 2019-11-07 2022-06-10 株式会社Ntt都科摩 终端
US20210392602A1 (en) * 2020-06-12 2021-12-16 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
JP2022185211A (ja) * 2021-06-02 2022-12-14 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
US11606240B1 (en) 2021-09-30 2023-03-14 Silicon Laboratories Inc. Using preamble portion having irregular carrier spacing for frequency synchronization
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

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
EP1570691A4 (en) * 2002-12-10 2011-01-05 Adapt4 Llc RADIO COMMUNICATION SYSTEM WITH SPECTRAL REUSABLE TRANSMITTERS / RECEIVERS
CN1883125A (zh) * 2003-10-16 2006-12-20 弗拉里奥恩技术公司 改善多载波无线通信系统内扇区间和/或小区间越区切换的方法和设备
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
TWI451774B (zh) * 2006-01-31 2014-09-01 Interdigital Tech Corp 無線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
US20110134853A1 (en) * 2007-08-10 2011-06-09 Zhu Xudong Method for allocating mobile user resource and resource allocation scheduler using the same
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
US8493917B2 (en) * 2008-07-01 2013-07-23 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatuses for performing preamble assignment for random access in a telecommunications system
RU2465745C1 (ru) * 2008-08-12 2012-10-27 Квэлкомм Инкорпорейтед Управление предоставлением восходящей линии связи в ответе произвольного доступа
US8780816B2 (en) 2008-08-12 2014-07-15 Qualcomm Incorporated Handling uplink grant in random access response
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
US9781747B2 (en) * 2013-01-29 2017-10-03 Lg Electronics Inc. Method and apparatus for transmitting random access channel designed for transmission in high carrier frequency in a wireless communication system
EP3021500B1 (en) * 2013-07-12 2019-03-20 LG Electronics Inc. Method and apparatus for transmitting d2d signals in cellular communication networks
US10250362B2 (en) * 2014-03-20 2019-04-02 Interdigital Patent Holdings, Inc. Method and apparatus for non-orthogonal access in LTE systems
JP6422999B2 (ja) * 2014-06-13 2018-11-14 アップル インコーポレイテッドApple Inc. 省電力化、範囲の改善、及び改善された検出のための拡張されたprachスキーム
US20160127936A1 (en) * 2014-11-05 2016-05-05 Debdeep CHATTERJEE User equipment and methods for csi measurements with reduced bandwidth support
US11089574B2 (en) * 2014-11-06 2021-08-10 Ntt Docomo, Inc. User terminal, radio base station and radio communication method
CA2995677C (en) * 2015-08-14 2023-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Random access procedure for mtc operation
ES2749918T3 (es) * 2015-09-28 2020-03-24 Ericsson Telefon Ab L M Preámbulo de acceso aleatorio para minimizar el retroceso de PA
US10110405B2 (en) * 2015-11-05 2018-10-23 Qualcomm Incorporated System and method for narrowband uplink single tone transmissions
KR102017608B1 (ko) * 2015-12-08 2019-09-03 후아웨이 테크놀러지 컴퍼니 리미티드 데이터 전송 방법, 기지국 및 단말 디바이스
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
KR20180100327A (ko) 2018-09-10
SA518391871B1 (ar) 2022-11-27
JP2021036671A (ja) 2021-03-04
KR20200013806A (ko) 2020-02-07
WO2017119943A1 (en) 2017-07-13
MX2018008317A (es) 2018-09-21
AU2016385368B2 (en) 2020-06-11
CN113286377B (zh) 2023-09-12
PH12018501158A1 (en) 2019-02-04
BR112018013688A2 (pt) 2018-12-04
JP6977129B2 (ja) 2021-12-08
DK3400748T3 (da) 2021-10-11
SG11201804380PA (en) 2018-07-30
PT3400748T (pt) 2021-10-25
CN113286377A (zh) 2021-08-20
TW201725929A (zh) 2017-07-16
CN108464053B (zh) 2021-05-25
JP2019506792A (ja) 2019-03-07
HK1258333A1 (zh) 2019-11-08
TWI694737B (zh) 2020-05-21
NZ742989A (en) 2021-07-30
EP3400748B1 (en) 2021-09-15
JP7104759B2 (ja) 2022-07-21
CA3006726C (en) 2021-07-27
US20180324868A1 (en) 2018-11-08
MY192677A (en) 2022-08-30
CO2018006984A2 (es) 2018-07-19
US10904922B2 (en) 2021-01-26
US20170202028A1 (en) 2017-07-13
KR102406581B1 (ko) 2022-06-07
CA3006726A1 (en) 2017-07-13
EP3930416A1 (en) 2021-12-29
ZA201804523B (en) 2021-06-30
SI3400748T1 (sl) 2021-11-30
EP3400748A1 (en) 2018-11-14
RU2711872C1 (ru) 2020-01-24
ES2894329T3 (es) 2022-02-14
HUE056286T2 (hu) 2022-02-28
US10334633B2 (en) 2019-06-25
JP2021036670A (ja) 2021-03-04
KR102073384B1 (ko) 2020-02-04
CN108464053A (zh) 2018-08-28
PL3400748T3 (pl) 2022-01-03
AU2016385368A1 (en) 2018-06-21

Similar Documents

Publication Publication Date Title
CL2018001815A1 (es) Patrones de salto de frecuencia de canal de acceso aleatorio físico de banda angosta y esquemas de detección
CL2019002317A1 (es) Método y equipo de usuario para transmitir preámbulo de acceso aleatorio, y método y estación base para recibir preámbulo de acceso aleatorio.
AR120336A2 (es) Métodos y aparatos para la comunicación inalámbrica
CL2018002083A1 (es) Aparato terminal, aparato de estación base y método de comunicación campo tecnico.
PH12016500086A1 (en) Lte channel access over unlicensed bands
PH12016502194A1 (en) Methods and apparatus for signaling user allocations in multi-user wireless communication networks
PH12018501233A1 (en) Methods and apparatus for selecting enhanced distributed channel access parameters for different stations
BR112019000564A2 (pt) métodos e aparelho para operação de iot no espectro licenciado e não-licenciado
MX2015017454A (es) Metodo para reportar el estado del canal en el sistema de comunicacion inalambrica y aparato para lo mismo.
BR112015029166A2 (pt) comunicação de retroalimentação sem fio através de espectro não licenciado
CL2017003156A1 (es) Diseño de banda muy angosta compatible con evolución a largo plazo
WO2015122738A8 (en) Method and apparatus for transmitting data in wireless communication system
WO2017196055A3 (ko) 비면허 대역을 지원하는 무선 통신 시스템에서 사운딩 참조 신호를 전송하는 방법 및 이를 지원하는 장치
MX2018003638A (es) Terminal de usuario, estacion base inalambrica y metodo de comunicacion inalambrica.
PH12019501570A1 (en) Methods for adapting over-the -air synchronization to radio conditions
WO2015185989A3 (en) Carrier sensing for lte in unlicensed band, lte-u, applications
BR112018006622A2 (pt) avaliação de canal livre em wi-fi controlado por lte
MX2016012245A (es) Metodo de configuracion, dispositivo de red y equipo de usuario.
MX2017000410A (es) Metodos para adaptar la sincronizacion sobre-el-aire a condiciones de radio.
JP2015149542A5 (es)
AR102631A1 (es) Mensaje de solicitud de acceso optimizado
TH1801004041A (th) แผนการของการตรวจจับและแบบรูปการฮอปความถี่ของช่องสัญญาณเข้าถึงโดยสุ่มเชิงกายภาพแถบความถี่แคบ
AR107468A1 (es) Saltos de frecuencia para acceso aleatorio
BR112017009174A2 (pt) subframe alinhada escute-antes-de-falar para celular em banda não licenciada
BR112016028223A2 (pt) técnicas para gerenciar transmissões de dados de enlace ascendente por uma faixa de espectro de radiofrequência não licenciada