AR111026A1 - Sistemas y métodos para reducir la interferencia en un sistema de comunicaciones inalámbricas - Google Patents

Sistemas y métodos para reducir la interferencia en un sistema de comunicaciones inalámbricas

Info

Publication number
AR111026A1
AR111026A1 ARP180100269A ARP180100269A AR111026A1 AR 111026 A1 AR111026 A1 AR 111026A1 AR P180100269 A ARP180100269 A AR P180100269A AR P180100269 A ARP180100269 A AR P180100269A AR 111026 A1 AR111026 A1 AR 111026A1
Authority
AR
Argentina
Prior art keywords
systems
reference signal
reduce interference
methods
wireless communications
Prior art date
Application number
ARP180100269A
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 filed Critical Ericsson Telefon Ab L M
Publication of AR111026A1 publication Critical patent/AR111026A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0062Avoidance of ingress interference, e.g. ham radio channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0222Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency

Landscapes

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

Abstract

Sistemas y método para reducir interferencias en un sistema de comunicación inalámbrica. En una realización ejemplar, un método de un dispositivo inalámbrico (105, 200, 300a, 300b, 500, 1105, 1205, 1207) comprende determinar (409, 909) un pre-codificador de enlace ascendente (107) con base en medición es de canal en primeros y segundos recursos de ,señal de referencia de enlace descendente. Además, el pre-codificador permite una transmisión (113) en un recurso de señal de referencia de enlace ascendente que está pre-codificado con el pre-codificador de enlace ascendente y que está cuasi co-situada (QCL) (121) con una transmisión (111) en el primer recurso de señal de referencia de enlace descendente pero no QCL (123) con una transmisión (115) sobre el segundo recurso de señal de referencia de enlace descendente.
ARP180100269A 2017-02-06 2018-02-05 Sistemas y métodos para reducir la interferencia en un sistema de comunicaciones inalámbricas AR111026A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201762455388P 2017-02-06 2017-02-06

Publications (1)

Publication Number Publication Date
AR111026A1 true AR111026A1 (es) 2019-05-29

Family

ID=60083299

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP180100269A AR111026A1 (es) 2017-02-06 2018-02-05 Sistemas y métodos para reducir la interferencia en un sistema de comunicaciones inalámbricas

Country Status (5)

Country Link
US (1) US10462796B2 (es)
EP (1) EP3577863A1 (es)
CN (1) CN110291762B (es)
AR (1) AR111026A1 (es)
WO (1) WO2018141425A1 (es)

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Also Published As

Publication number Publication date
US20180242327A1 (en) 2018-08-23
EP3577863A1 (en) 2019-12-11
CN110291762A (zh) 2019-09-27
CN110291762B (zh) 2022-05-24
WO2018141425A1 (en) 2018-08-09
US10462796B2 (en) 2019-10-29

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