BRPI0515013A - método e sistema de controle de acesso a meio de comunicação sem fio - Google Patents

método e sistema de controle de acesso a meio de comunicação sem fio

Info

Publication number
BRPI0515013A
BRPI0515013A BRPI0515013-2A BRPI0515013A BRPI0515013A BR PI0515013 A BRPI0515013 A BR PI0515013A BR PI0515013 A BRPI0515013 A BR PI0515013A BR PI0515013 A BRPI0515013 A BR PI0515013A
Authority
BR
Brazil
Prior art keywords
control method
access control
media access
wireless media
time
Prior art date
Application number
BRPI0515013-2A
Other languages
English (en)
Inventor
Sudheer A Grandhi
Arty Chandra
Joseph S Levy
Kamel M Shaheen
Stephen E Terry
Eldad Zeira
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of BRPI0515013A publication Critical patent/BRPI0515013A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • 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
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2612—Arrangements for wireless medium access control, e.g. by allocating physical layer transmission capacity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • 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
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
    • 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]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

Método e sistema de controle de acesso a meio de comunicação sem fio. Método e sistema de controle de acesso a meio em sistema de comunicação sem fio. Estrutura de superquadros é definida em domínio de tempo para incluir período livre de contenção (CFP) que possui pelo menos uma alocação de recursos programada (SRA), pelo menos uma SRA de administração (MSRA) e período de contenção. Farol estendido (EB) que inclui informaçães sobre a SRA e a MSRA é transmitido. A arquitetura de MAC reduz o consumo de bateria da estação, sustenta rendimento mais alto para tráfego não em tempo real (NRT) e é mais eficiente para tráfego em tempo real (RT), mantendo ao mesmo tempo total compatibilidade.
BRPI0515013-2A 2004-08-12 2005-08-05 método e sistema de controle de acesso a meio de comunicação sem fio BRPI0515013A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60132304P 2004-08-12 2004-08-12
PCT/US2005/027956 WO2006020520A2 (en) 2004-08-12 2005-08-05 Method and system for controlling access to a wireless communication medium

Publications (1)

Publication Number Publication Date
BRPI0515013A true BRPI0515013A (pt) 2008-07-01

Family

ID=35908054

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0515013-2A BRPI0515013A (pt) 2004-08-12 2005-08-05 método e sistema de controle de acesso a meio de comunicação sem fio

Country Status (19)

Country Link
US (3) US8649322B2 (pt)
EP (4) EP2933959A3 (pt)
JP (8) JP5148275B2 (pt)
KR (8) KR101205563B1 (pt)
CN (3) CN105142233B (pt)
AR (2) AR050840A1 (pt)
AU (2) AU2005274003B2 (pt)
BR (1) BRPI0515013A (pt)
CA (1) CA2576833C (pt)
DE (1) DE202005012728U1 (pt)
GE (1) GEP20094867B (pt)
HK (1) HK1116606A1 (pt)
IL (1) IL181221A (pt)
MX (1) MX2007001704A (pt)
MY (1) MY154987A (pt)
NO (1) NO338830B1 (pt)
SG (1) SG155198A1 (pt)
TW (6) TWI475836B (pt)
WO (1) WO2006020520A2 (pt)

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