MX2022008173A - Seleccion de raiz para acceso aleatorio. - Google Patents

Seleccion de raiz para acceso aleatorio.

Info

Publication number
MX2022008173A
MX2022008173A MX2022008173A MX2022008173A MX2022008173A MX 2022008173 A MX2022008173 A MX 2022008173A MX 2022008173 A MX2022008173 A MX 2022008173A MX 2022008173 A MX2022008173 A MX 2022008173A MX 2022008173 A MX2022008173 A MX 2022008173A
Authority
MX
Mexico
Prior art keywords
root
random access
prach
techniques
preamble
Prior art date
Application number
MX2022008173A
Other languages
English (en)
Inventor
Chenchen Zhang
Wei Cao
Nan Zhang
Kaibo Tian
Zhen Yang
Original Assignee
Zte Corp
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 Zte Corp filed Critical Zte Corp
Publication of MX2022008173A publication Critical patent/MX2022008173A/es

Links

Classifications

    • 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
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • 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
    • H04L5/0016—Time-frequency-code
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Se describen técnicas para seleccionar par de raíz para secuencias Zadoff-Chu para preámbulo de acceso aleatorio y para señalar uno o más valores asociados con el par de raíz a un equipo de usuario (UE) por una estación base. Los métodos de selección de par de raíz descritos para el preámbulo del canal de acceso aleatorio físico (PRACH) de dos raíces pueden permitir que las diferencias pico recibidas en el UE desde diferentes compensaciones de frecuencia (FOs) se separen incluso considerando el error en el lado del UE. Las técnicas de selección pueden mejorar el rendimiento de PRACH FO y la estimación de compensación de tiempo (TO).
MX2022008173A 2020-01-03 2020-01-03 Seleccion de raiz para acceso aleatorio. MX2022008173A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/070255 WO2021093146A1 (en) 2020-01-03 2020-01-03 Root selection for random access

Publications (1)

Publication Number Publication Date
MX2022008173A true MX2022008173A (es) 2022-08-02

Family

ID=75911698

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022008173A MX2022008173A (es) 2020-01-03 2020-01-03 Seleccion de raiz para acceso aleatorio.

Country Status (5)

Country Link
US (1) US20220338274A1 (es)
EP (1) EP4085722A4 (es)
CN (1) CN114747286A (es)
MX (1) MX2022008173A (es)
WO (1) WO2021093146A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112887241B (zh) * 2021-04-29 2021-07-16 成都星联芯通科技有限公司 频偏估计方法、装置、通信设备及存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8773968B2 (en) * 2007-08-06 2014-07-08 Texas Instruments Incorporated Signaling of random access preamble sequences in wireless networks
CN103200694B (zh) * 2012-01-09 2017-04-12 华为技术有限公司 一种通信系统中的随机接入方法及装置

Also Published As

Publication number Publication date
CN114747286A (zh) 2022-07-12
WO2021093146A1 (en) 2021-05-20
EP4085722A4 (en) 2022-12-21
US20220338274A1 (en) 2022-10-20
EP4085722A1 (en) 2022-11-09

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