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MX2016012374A - Sistema y metodo para un acceso aleatorio fisico basado en un haz. - Google Patents

Sistema y metodo para un acceso aleatorio fisico basado en un haz.

Info

Publication number
MX2016012374A
MX2016012374A MX2016012374A MX2016012374A MX2016012374A MX 2016012374 A MX2016012374 A MX 2016012374A MX 2016012374 A MX2016012374 A MX 2016012374A MX 2016012374 A MX2016012374 A MX 2016012374A MX 2016012374 A MX2016012374 A MX 2016012374A
Authority
MX
Mexico
Prior art keywords
random
access
network node
brs
preferred
Prior art date
Application number
MX2016012374A
Other languages
English (en)
Other versions
MX364274B (es
Inventor
Zhang Qiang
Frenne Mattias
Andersson Håkan
Furuskog Johan
Parkvall Stefan
Sahlin Henrik
Original Assignee
ERICSSON TELEFON AB L M (publ)
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 ERICSSON TELEFON AB L M (publ) filed Critical ERICSSON TELEFON AB L M (publ)
Publication of MX2016012374A publication Critical patent/MX2016012374A/es
Publication of MX364274B publication Critical patent/MX364274B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • 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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • 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
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Landscapes

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

Abstract

Un método en un dispositivo inalámbrico para realizar el acceso aleatorio a un nodo de red. El método comprende recibir un conjunto de señales de referencia específicas de haz de enlace descendente, BRS, desde el nodo de red, y determinar un BRS preferido basado en la potencia de la señal recibida para cada BRS. El método también comprende seleccionar, basado en el BRS preferido, un recurso de acceso aleatorio a ser usado para transmitir un intento de acceso aleatorio al nodo de red, así como también usar el recurso de acceso aleatorio seleccionado cuando se transmite un intento de acceso aleatorio al nodo de red, por lo que la selección de recurso de acceso aleatorio indica al nodo de red qué haz de enlace descendente es preferido por el dispositivo inalámbrico a ser usado para las transmisiones de enlace descendente.
MX2016012374A 2014-03-25 2014-08-27 Sistema y método para un acceso aleatorio físico basado en un haz. MX364274B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461970145P 2014-03-25 2014-03-25
PCT/SE2014/050986 WO2015147717A1 (en) 2014-03-25 2014-08-27 System and method for beam-based physical random-access

Publications (2)

Publication Number Publication Date
MX2016012374A true MX2016012374A (es) 2017-01-11
MX364274B MX364274B (es) 2019-04-22

Family

ID=51619245

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016012374A MX364274B (es) 2014-03-25 2014-08-27 Sistema y método para un acceso aleatorio físico basado en un haz.

Country Status (20)

Country Link
US (5) US9814068B2 (es)
EP (3) EP3123802B1 (es)
JP (1) JP6453901B2 (es)
KR (2) KR102148594B1 (es)
CN (2) CN106797656B (es)
AP (1) AP2016009500A0 (es)
AU (2) AU2014388444A1 (es)
BR (1) BR112016022044B1 (es)
CA (1) CA2943697C (es)
CL (1) CL2016002411A1 (es)
DK (1) DK3123802T3 (es)
ES (3) ES3007608T3 (es)
MX (1) MX364274B (es)
MY (1) MY180771A (es)
PH (1) PH12016501858A1 (es)
PL (2) PL3462798T3 (es)
PT (2) PT3123802T (es)
RU (1) RU2684758C2 (es)
SG (1) SG11201607912QA (es)
WO (1) WO2015147717A1 (es)

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