WO2011062404A3 - Wifi direct 네트워크에서의 wifi 디스플레이 서비스 탐색 방법 및 장치 - Google Patents

Wifi direct 네트워크에서의 wifi 디스플레이 서비스 탐색 방법 및 장치 Download PDF

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Publication number
WO2011062404A3
WO2011062404A3 PCT/KR2010/008084 KR2010008084W WO2011062404A3 WO 2011062404 A3 WO2011062404 A3 WO 2011062404A3 KR 2010008084 W KR2010008084 W KR 2010008084W WO 2011062404 A3 WO2011062404 A3 WO 2011062404A3
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WO
WIPO (PCT)
Prior art keywords
wifi
investigating
service
direct network
request frame
Prior art date
Application number
PCT/KR2010/008084
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English (en)
French (fr)
Other versions
WO2011062404A2 (ko
Inventor
베르마로찬
나일주
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to BR112012011660-6A priority Critical patent/BR112012011660B1/pt
Priority to JP2012539807A priority patent/JP5718933B2/ja
Priority to KR1020127009146A priority patent/KR101837086B1/ko
Priority to CN201080052150.7A priority patent/CN102668647B/zh
Priority to MX2012005628A priority patent/MX2012005628A/es
Priority to EP10831771.0A priority patent/EP2487963B1/en
Priority to CA2780669A priority patent/CA2780669C/en
Priority to US13/510,548 priority patent/US10117157B2/en
Publication of WO2011062404A2 publication Critical patent/WO2011062404A2/ko
Publication of WO2011062404A3 publication Critical patent/WO2011062404A3/ko
Priority to US16/050,695 priority patent/US10932181B2/en

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/50—Secure pairing of devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • 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]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Communication Control (AREA)
  • Computer And Data Communications (AREA)
  • Telephonic Communication Services (AREA)

Abstract

WiFi Direct 네트워크의 제2 WFD(WiFi Display) 디바이스가 지원하는 서비스를 탐색하기 위한 서비스 탐색 요청 프레임(Service Discovery Request Frame)을 생성하고, 서비스 탐색 요청 프레임을 제2 WFD 디바이스에게 전송하고, 서비스 탐색 요청 프레임에 대한 응답으로 서비스 탐색 응답 프레임을 제2 WFD 디바이스로부터 수신하고, 서비스 탐색 요청 프레임 및 서비스 탐색 응답 프레임은 각각 802.11u의 GAS(Generic Advertising Service) 초기 요청 프레임(GAS Initial Request Frame) 및 GAS 초기 응답 프레임(GAS Initial Response Frame)을 이용하여 생성되는 WiFi Direct 네트워크에서의 WiFi 디스플레이 서비스 탐색 방법 및 그 장치가 개시되어 있다.
PCT/KR2010/008084 2009-11-17 2010-11-16 Wifi direct 네트워크에서의 wifi 디스플레이 서비스 탐색 방법 및 장치 WO2011062404A2 (ko)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BR112012011660-6A BR112012011660B1 (pt) 2009-11-17 2010-11-16 método, primeiro dispositivo wi-fi direct em uma rede wfd, segundo dispositivo wi-fi direct (wfd) em uma rede wfd, e meio de gravação legível por computador
JP2012539807A JP5718933B2 (ja) 2009-11-17 2010-11-16 ＷｉＦｉＤｉｒｅｃｔネットワークでのＷｉＦｉディスプレイサービス探索方法及び装置
KR1020127009146A KR101837086B1 (ko) 2009-11-17 2010-11-16 와이파이 다이렉트 네트워크에서의 와이파이 디스플레이 서비스 탐색 방법 및 장치
CN201080052150.7A CN102668647B (zh) 2009-11-17 2010-11-16 用于调查在WiFi直连网络中的WiFi显示服务的方法和装置
MX2012005628A MX2012005628A (es) 2009-11-17 2010-11-16 Metodo y dispositivo de investigacion de servicio de visualizacion de fidelidad inalambrica en red directa de fidelidad inalambrica.
EP10831771.0A EP2487963B1 (en) 2009-11-17 2010-11-16 Method and device for investigating wifi display service in a wifi direct network
CA2780669A CA2780669C (en) 2009-11-17 2010-11-16 Method and device for investigating wifi display service in a wifi direct network
US13/510,548 US10117157B2 (en) 2009-11-17 2010-11-16 Method and device for investigating WiFi display service in a WiFi direct network
US16/050,695 US10932181B2 (en) 2009-11-17 2018-07-31 Method and device for investigating WiFi display service in a WiFi direct network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26185009P 2009-11-17 2009-11-17
US61/261,850 2009-11-17

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/510,548 A-371-Of-International US10117157B2 (en) 2009-11-17 2010-11-16 Method and device for investigating WiFi display service in a WiFi direct network
US16/050,695 Continuation US10932181B2 (en) 2009-11-17 2018-07-31 Method and device for investigating WiFi display service in a WiFi direct network

Publications (2)

Publication Number Publication Date
WO2011062404A2 WO2011062404A2 (ko) 2011-05-26
WO2011062404A3 true WO2011062404A3 (ko) 2011-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/008084 WO2011062404A2 (ko) 2009-11-17 2010-11-16 Wifi direct 네트워크에서의 wifi 디스플레이 서비스 탐색 방법 및 장치

Country Status (9)

Country Link
US (2) US10117157B2 (ko)
EP (1) EP2487963B1 (ko)
JP (3) JP5718933B2 (ko)
KR (1) KR101837086B1 (ko)
CN (1) CN102668647B (ko)
BR (1) BR112012011660B1 (ko)
CA (1) CA2780669C (ko)
MX (1) MX2012005628A (ko)
WO (1) WO2011062404A2 (ko)

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