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MX2016009870A - Metodo de acceso y adaptacion de enlace para transmisiones inalambricas mejoradas en cobertura. - Google Patents

Metodo de acceso y adaptacion de enlace para transmisiones inalambricas mejoradas en cobertura.

Info

Publication number
MX2016009870A
MX2016009870A MX2016009870A MX2016009870A MX2016009870A MX 2016009870 A MX2016009870 A MX 2016009870A MX 2016009870 A MX2016009870 A MX 2016009870A MX 2016009870 A MX2016009870 A MX 2016009870A MX 2016009870 A MX2016009870 A MX 2016009870A
Authority
MX
Mexico
Prior art keywords
channel
coverage enhancement
link adaptation
repetitions
lte
Prior art date
Application number
MX2016009870A
Other languages
English (en)
Other versions
MX381591B (es
Inventor
Stern-Berkowitz Janet
Rudolf Marian
Tamaki Nobuyuki
Patrick Tooher J
Il LEE Moon-
Sadeghi Pouriya
Original Assignee
Interdigital Patent Holdings 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 Interdigital Patent Holdings Inc filed Critical Interdigital Patent Holdings Inc
Publication of MX2016009870A publication Critical patent/MX2016009870A/es
Publication of MX381591B publication Critical patent/MX381591B/es

Links

Classifications

    • 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
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)

Abstract

Mejora de cobertura de canales en un sistema de comunicación inalámbrica tal como Evolución a Largo Plazo (LTE) y LTE Avanzada (LTE-A). Mejora de cobertura puede incluir repetición de un canal en el dominio de tiempo y/o frecuencia, aumento de energía del canal, y mejora de señal de referencia para mejor precisión de estimación de canal. Se describen técnicas de adaptación de enlace, en donde la adaptación de enlace es dependiente de una mejora de cobertura (CE) o nivel de repetición. Un método ilustrativo para adaptación de enlace en una Unidad de Transmisión/Recepción Inalámbrica (WTRU) en modo de mejora de cobertura (CE) incluye determinar el número de repeticiones para un canal de enlace ascendente, derivar la energía de transmisión para el canal de enlace ascendente con base en el número de repeticiones, y transmitir el canal con el número determinado de repeticiones en el nivel de energía de transmisión. Se describe adaptación de enlace con base en nivel de CE o nivel de repetición para canales de enlace ascendente y enlace descendente incluyendo canales de datos, de control, de acceso, y de emisión.
MX2016009870A 2014-01-29 2015-01-28 Método de acceso y adaptación de enlace para transmisiones inalámbricas mejoradas en cobertura. MX381591B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461933300P 2014-01-29 2014-01-29
US201461955655P 2014-03-19 2014-03-19
US201462075630P 2014-11-05 2014-11-05
PCT/US2015/013371 WO2015116732A1 (en) 2014-01-29 2015-01-28 Method of access and link adaptation for coverage enhanced wireless transmissions

Publications (2)

Publication Number Publication Date
MX2016009870A true MX2016009870A (es) 2017-01-09
MX381591B MX381591B (es) 2025-03-12

Family

ID=52469342

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016009870A MX381591B (es) 2014-01-29 2015-01-28 Método de acceso y adaptación de enlace para transmisiones inalámbricas mejoradas en cobertura.

Country Status (8)

Country Link
US (2) US20160353440A1 (es)
EP (3) EP3100536B1 (es)
JP (4) JP2017513260A (es)
KR (2) KR102470913B1 (es)
CN (2) CN110809258A (es)
AU (3) AU2015211013C1 (es)
MX (1) MX381591B (es)
WO (1) WO2015116732A1 (es)

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