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ES2531198T3 - Método y aparato para mitigar las interferencias del canal de control de enlace descendente - Google Patents

Método y aparato para mitigar las interferencias del canal de control de enlace descendente Download PDF

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Publication number
ES2531198T3
ES2531198T3 ES10755036T ES10755036T ES2531198T3 ES 2531198 T3 ES2531198 T3 ES 2531198T3 ES 10755036 T ES10755036 T ES 10755036T ES 10755036 T ES10755036 T ES 10755036T ES 2531198 T3 ES2531198 T3 ES 2531198T3
Authority
ES
Spain
Prior art keywords
control channel
downlink control
channel interference
timing offset
timing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES10755036T
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English (en)
Inventor
Sandeep Krishnamurthy
Robert Love
Vijay Nangia
Ravikiran Nory
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Mobility LLC
Original Assignee
Motorola Mobility LLC
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 Motorola Mobility LLC filed Critical Motorola Mobility LLC
Application granted granted Critical
Publication of ES2531198T3 publication Critical patent/ES2531198T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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
    • 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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Landscapes

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

Abstract

Un método en una primera estación de base inalámbrica, comprendiendo el método recibir (320) una transmisión desde una entidad de red; determinar (330) un primer desfase de temporización para transmitir una subtrama de enlace descendente sobre la base de la transmisión recibida desde la entidad de red; y recibir (340) una transmisión de enlace ascendente desde un terminal móvil; caracterizado por: determinar (350) un segundo desfase de temporización sobre la base del primer desfase de temporización y sobre la base de la transmisión de enlace ascendente recibida; y transmitir (360) una orden de avance de temporización al terminal móvil, incluyendo la orden de avance de temporización el segundo desfase de temporización.
ES10755036T 2009-10-05 2010-09-08 Método y aparato para mitigar las interferencias del canal de control de enlace descendente Active ES2531198T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/573,590 US8457079B2 (en) 2009-10-05 2009-10-05 Method and apparatus for mitigating downlink control channel interference
PCT/US2010/048059 WO2011043887A2 (en) 2009-10-05 2010-09-08 Method and apparatus for mitigating downlink control channel interference

Publications (1)

Publication Number Publication Date
ES2531198T3 true ES2531198T3 (es) 2015-03-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES10755036T Active ES2531198T3 (es) 2009-10-05 2010-09-08 Método y aparato para mitigar las interferencias del canal de control de enlace descendente

Country Status (7)

Country Link
US (2) US8457079B2 (es)
EP (2) EP2544494B1 (es)
KR (1) KR101337171B1 (es)
CN (2) CN102577550A (es)
BR (2) BR122018076866B1 (es)
ES (1) ES2531198T3 (es)
WO (1) WO2011043887A2 (es)

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WO2011043887A3 (en) 2011-06-16
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KR20120049944A (ko) 2012-05-17
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WO2011043887A2 (en) 2011-04-14
EP2462768A2 (en) 2012-06-13
BR122018076866B1 (pt) 2021-07-20
US9307539B2 (en) 2016-04-05
KR101337171B1 (ko) 2013-12-31
EP2544494B1 (en) 2015-11-18
CN104125187B (zh) 2018-11-09
EP2544494A3 (en) 2013-08-21
US20130258975A1 (en) 2013-10-03
BR112012007780A2 (pt) 2018-03-20
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US20110080896A1 (en) 2011-04-07
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