MX2020012067A - Deteccion del canal fisico de acceso aleatorio (prach) rentable. - Google Patents
Deteccion del canal fisico de acceso aleatorio (prach) rentable.Info
- Publication number
- MX2020012067A MX2020012067A MX2020012067A MX2020012067A MX2020012067A MX 2020012067 A MX2020012067 A MX 2020012067A MX 2020012067 A MX2020012067 A MX 2020012067A MX 2020012067 A MX2020012067 A MX 2020012067A MX 2020012067 A MX2020012067 A MX 2020012067A
- Authority
- MX
- Mexico
- Prior art keywords
- antenna element
- prach
- symbols
- radio device
- averaged
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
-
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
La presente invención se refiere a una estación base para detectar una transmisión por el Canal Físico de Acceso Aleatorio (PRACH) de un dispositivo de Equipo de Usuario (UE) que comprende un dispositivo de radio y al menos un dispositivo adicional. El dispositivo de radio comprende una variedad de receptores de banda estrecha respectivamente acoplados en una variedad de elementos de antena de un arreglo de antenas. Cada receptor de banda estrecha está configurado para recibir una señal de un elemento de antena respectivo y procesar la señal para proporcionar símbolos recibidos para una PRACH recibida a través del elemento de antena respectivo. El dispositivo de radio también comprende circuitos de acumulación configurados para, para cada elemento de antena, acumular un subconjunto de los símbolos recibidos para la PRACH recibida a través del elemento de antena para producir un primer símbolo promediado para la PRACH recibida a través del elemento de antena. Al menos un dispositivo adicional se configura para recibir, desde el dispositivo de radio, los primeros símbolos promediados y procesar los primeros símbolos promediados para que la PRACH realice la detección de PRACH para uno o más haces de recepción.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2018/062636 WO2019219180A1 (en) | 2018-05-16 | 2018-05-16 | Cost efficient prach detection |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2020012067A true MX2020012067A (es) | 2021-02-09 |
Family
ID=62200436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020012067A MX2020012067A (es) | 2018-05-16 | 2018-05-16 | Deteccion del canal fisico de acceso aleatorio (prach) rentable. |
Country Status (5)
Country | Link |
---|---|
US (1) | US11129209B2 (es) |
EP (1) | EP3794760B1 (es) |
CN (1) | CN112385170B (es) |
MX (1) | MX2020012067A (es) |
WO (1) | WO2019219180A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112788777B (zh) * | 2019-11-07 | 2023-04-28 | 华为技术有限公司 | 适用于卫星网络的随机接入前导配置方法及装置 |
CN115552799A (zh) | 2020-05-08 | 2022-12-30 | 瑞典爱立信有限公司 | 具有数据回放接口的窄带aas接收机 |
CN115516773A (zh) | 2020-05-08 | 2022-12-23 | 瑞典爱立信有限公司 | 多功能aas接收机 |
CN113645685B (zh) * | 2020-05-11 | 2022-09-16 | 深圳市万普拉斯科技有限公司 | 初始接入方法、装置、移动终端和计算机可读存储介质 |
CN115516778A (zh) * | 2020-05-11 | 2022-12-23 | 瑞典爱立信有限公司 | 高效prach调度 |
CN114423092B (zh) * | 2022-03-24 | 2022-07-29 | 新华三技术有限公司 | 前导码检测方法及装置 |
WO2024005821A1 (en) * | 2022-06-30 | 2024-01-04 | Altiostar Networks, Inc. | Method and apparatus for optimized short prach preamble detection |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6259724B1 (en) * | 1996-10-18 | 2001-07-10 | Telefonaktiebolaget L M Ericsson (Publ) | Random access in a mobile telecommunications system |
CN102223654B (zh) * | 2011-06-21 | 2017-04-26 | 中兴通讯股份有限公司 | 一种前导检测方法及系统 |
WO2013181808A1 (zh) * | 2012-06-06 | 2013-12-12 | 华为技术有限公司 | 一种消息的重传方法及终端、基站 |
EP3123803A1 (en) * | 2014-03-25 | 2017-02-01 | Telefonaktiebolaget LM Ericsson (publ) | Transmission and reception of a random access preamble signal |
PL3462798T3 (pl) | 2014-03-25 | 2022-04-04 | Telefonaktiebolaget Lm Ericsson (Publ) | System i sposób dla fizycznego dostępu losowego opartego na wiązce |
US10285195B2 (en) * | 2014-06-11 | 2019-05-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Processing of random access preamble sequences |
WO2015191347A1 (en) * | 2014-06-13 | 2015-12-17 | Apple Inc. | Enhanced prach scheme for power savings, range improvement and improved detection |
EP3338374B1 (en) | 2015-08-21 | 2021-05-12 | Telefonaktiebolaget LM Ericsson (publ) | Signal distribution network |
KR102214852B1 (ko) * | 2015-10-28 | 2021-02-09 | 에스케이텔레콤 주식회사 | 센싱 기반의 랜덤액세스 방법 및 장치 |
US10367677B2 (en) | 2016-05-13 | 2019-07-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Network architecture, methods, and devices for a wireless communications network |
CN107529210A (zh) * | 2016-06-17 | 2017-12-29 | 财团法人资讯工业策进会 | 窄频物联网系统及其前置信号传输方法 |
-
2018
- 2018-05-16 MX MX2020012067A patent/MX2020012067A/es unknown
- 2018-05-16 US US17/055,575 patent/US11129209B2/en active Active
- 2018-05-16 CN CN201880095685.9A patent/CN112385170B/zh active Active
- 2018-05-16 EP EP18725809.0A patent/EP3794760B1/en active Active
- 2018-05-16 WO PCT/EP2018/062636 patent/WO2019219180A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019219180A1 (en) | 2019-11-21 |
CN112385170A (zh) | 2021-02-19 |
EP3794760B1 (en) | 2023-08-16 |
US20210120593A1 (en) | 2021-04-22 |
CN112385170B (zh) | 2023-11-24 |
WO2019219180A9 (en) | 2020-03-19 |
EP3794760A1 (en) | 2021-03-24 |
US11129209B2 (en) | 2021-09-21 |
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