26 URL A study of the hand over management with the server s URL for the wearable camera streaming
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1 26 URL A study of the hand over management with the server s URL for the wearable camera streaming
2 URL PC LAN (Local Area Network) LAN BS (Base Station) 1 BS LAN 2 VRaNCo (Virtual Radio Network Controller) VRaNCO BS SIP (Session Initiation Protocol), SIP Wi-Fi i
3 Abstract A study of the hand over management with the server s URL for the wearable camera streaming Keisuke Yoshimoto Broadband network is used widely in recent years. Communication service has begun to wear high quality features. Recently, smart phone and Tablet PC spread to all over the world quickly due to the evolution of an information communication. A market of a video delivery was been expanded using mainly a fixed line. As the communication line became broader in it s bandwidth the video contents with larger volume can be delivered. The video streaming is also spread as the background service. The wearing camera which delivers a video stream using a wireless LAN (Local Area Network) is focused in this study. The delivering camera is impossible to move the BS of a wireless LAN without a cut off of sending. To settle this problem a new handover management method is proposed. An addition of the communication function was designed to the wearing camera camera in this system. First, the wireless LAN interface was added for the wearing camera to connect with a couple of BSs at the same time. Next, VRaNCo (Virtual Radio Network Controller) was added to the wearing camera. When the wearing camera connects to a BS, VRaNCo has the role of the BS alternation support. The BS alternation was also controlled on the delivery platform. A SIP(Session Initiation Protocol) server a delivery server and a video check module composes this delivery platform. The viewer can watch a video continuously using the SIP server s managing information of the delivery platform. ii
4 key words Wearing Camera Wi-Fi Hand over Live video streaming iii
5 LAN IEEE LAN LAN LAN LAN SSID RTP (Real-time Transport Protocol) RTCP (RTP Control Protocol) RTSP (Real-time Streaming Protocol) SIP (Session Initiation Protocol) iv
6 LAN VRaNCo (Virtual Radio Network Controller) SIP (Session Initiation Protocol) IP v
7 L L RTP SIP URI vi
8 2.1 IEEE802.11b/a/g HX-A vii
9 1 1.1 NGN (Next Generation Network) 26 ICT II 2020 LAN [1] LAN Wi-Fi [2] NTTBP ,000 LAN H ,000 LAN [2]. SNS (Social Networking Service) [1] 1
10 1.2 LAN NGN LAN LAN LAN LAN LAN BS (Base Station) NGN 2
11 1.3 BS BS BS BS IP BS IP
12 2 2.1 LAN LAN LAN LAN LAN LAN 1990 IEEE LAN [3] IEEE LAN LAN IEEE LAN IEEE802.11b/11a/11g/11n/11ac LAN IEEE802.11i LAN QoS IEEE802.11e LAN [4] 4
13 2.1 LAN IEEE802.11b 2.4GHz 11Mbps LAN IEEE802.11a 5GHz 54Mbps LAN IEEE802.11g 2.4GHz 54Mbps LAN IEEE802.11i MAC IEEE802.11e QoS MAC QoS IEEE802.11n 100Mbps IEEE802.11ac n 6.93 Gbps LAN LAN LAN BS LAN BS BS BS LAN [4] 5
14 2.1 LAN LAN LAN IEEE802.11b/a/g 2.1 [4] 2.1 IEEE802.11b/a/g IEEE802.11b IEEE802.11a IEEE802.11g 11Mbps/5.5Mbps/2Mbps/1Mbps 54Mbps/48Mbps/36Mbps/24Mbps/18Mbps/12Mbps/9Mbps/6Mbps 54Mbps/48Mbps/36Mbps/24Mbps/18Mbps/12Mbps/11Mbps/9Mbps/6Mbps/5.5Mbps/2Mbps/1Mbps IEEE802.11b 11Mbps LAN 11Mbps 5.5Mbps 11Mbps 5.5Mbps IEEE802.11g IEEE802.11a BS BS BS LAN LAN LAN BS LAN LAN BS 1. LAN 2. LAN BS ESSID 3. LAN BS 6
15 2.1 LAN 2.2 IEEE802.11g IEEE802.11a 54 Mbps -71 dbm 54 Mbps -65 dbm 48 Mbps -75 dbm 48 Mbps -66 dbm 36 Mbps -80 dbm 36 Mbps -70 dbm 24 Mbps -84 dbm 24 Mbps -74 dbm 18 Mbps -86 dbm 18 Mbps -77 dbm 12 Mbps -88 dbm 12 Mbps -79 dbm 9 Mbps -86 dbm 9 Mbps -81 dbm 11 Mbps -92 dbm - Mbps - dbm 5.5 Mbps -92 dbm 6 Mbps -82 dbm 2 Mbps -93 dbm - Mbps - dbm 1 Mbps -94 dbm - Mbps - dbm 4. LAN BS 5. IEEE BS IEEEE Ethernet LAN BS BS BS BS 100ms ESSID 7
16 2.1 LAN 2.1 BS LAN BS BS BS LAN BS 8
17 2.1 LAN SSID LAN 1 BS BS LAN BSS (Basic Service Set) BSS BSS ESS (Extended Service Set) BSS BSSID LAN BS MAC ESSID ESS 32 ESSID LAN BS BSS ESSID BSS LAN ESSID ESSID LAN BSS ESSID ESSID L2 L2 L2 2.2 ESSID L3 L3 L3 2.3 LAN 10% 15 % [4] L2 IP BSS LAN BS LAN LAN LAN BS LAN BS IP 9
18 2.1 LAN 2.2 L2 BS LAN LAN LAN BS L2 IP L2 L3 ESSID L2 IP LAN BS LAN BS LAN BS LAN BS BS IEEE802.11F IAPP (Inter Access Point Protocol) LAN 10
19 L3 2.2 LAN 2.4 [5] RNC (Radio Network Controller) RNC RNC IP LAN BS 11
20 RNC HLR (Home Location Register) HLR [5] RNC RNC RNC RNC RNC 12
21 2.3 2 [5] UDP UDP UDP RTP(Rear-time Transport Protocol) RTCP (RTP Control Protocol) RTSP(Real-time Streaming Protocol) RTP (Real-time Transport Protocol) RTP RTP 2.5. RTP UDP RTCP RTCP RTP 1996 Quick Time Real Player RTP 13
22 RTP RTCP (RTP Control Protocol) RTCP RTP RTCP RTCP IP RTSP (Real-time Streaming Protocol) RTSP - IP RTSP Web 1 14
23 2.4 SIP (Session Initiation Protocol) 2.4 SIP (Session Initiation Protocol) SIP (Session Initiation Protocol) 1 H.323 SIP RTP IP VoIP [13] SIP (User Agent: UA) SIP (User Agent) UA (UAC) (UAS) SIP 4 SIP 1 1. (Proxy Server) UAC SIP SIP 2. (Redirect Server) UAC SIP 15
24 (Registrar) UAC REGISTER 4. (Location Server) URI SIP SIP SIP 2.5 Wi-Fi MPEG-4 LAN HX-A [6] 16
25 HX-A500 MPEG-4 AVC MPEG-4 AVC/H.264 AAC /30p 72Mbps/VBR : /60p 28Mbps/VBR /30p 15Mbps/VBR /60p 15Mbps/VBR /30p 9Mbps/VBR /30p 4.5Mbps/VBR Wi-Fi IEEE802.11b/g/n 17
26 3 3.1 LAN BS LAN BS SIP 3.2 LAN BS SSID SSID LAN BS LAN BS SSID SSID BS BS BS SSID 18
27 3.3 BS NGN NW BS BS LAN LAN 19
28 LAN LAN 1 LAN LAN 1 LAN LAN 1 LAN BS 1 2 LAN BS LAN 2 LAN BS BS VRaNCo (Virtual Radio Network Controller) RNC (Radio Network Controller) RNC 20
29 3.4 RNC LAN VRaNCo (Virtual Radio Network Controller) BS a. b. LAN BS c. d. RSSI (Received Signal Strength Indicator): f. BS 1 BS Skype / 1.5Mbps [7] USTREAM HD 2Mbps [8] 15Mbps 15Mbps HX-A500 Full HD 1920x p 30p 30 BS BS 2 LAN BS LAN BS BS RSSI (Received Signal Strength Indicator) 21
30 3.4 RSSI BS RSSI [4] BS BS BS BS BS BS BS BS LAN [9] 3 GPS (Global Positioning System) LAN BS GPS [10] GPS GPS [11] [11] BS LAN BS GPS Place Engine [12] LAN BS BS PlaceEngine Wi-Fi [12]. 4 BS BS
31 BS NW.A BS LAN a BS 2. VRaNCo LAN b BS BS VRaNCo BS LAN b BS 3. LAN b LAN b 4. LAN b LAN a LAN b 23
32 VRaNCo LAN a 6. LAN a Switching Time 2 LAN LAN a LAN b VRaNCo LAN a BS 24
33 LAN b LAN a LAN a LAN VRaNCo LAN a BS 25
34 URI SIP SIP SIP (Session Initiation Protocol) SIP SIP URI IP 1 SIP URI 2 IP 2 BS SIP URI IP IP 26
35 SIP URI BS IP IP BS SIP URI IP SIP IP IP URL IP SIP IP SIP IP 27
36 BS BS 3.6 SIP URI SIP URI SIP SIP URL IP
37 BS SIP IP SIP URI 29
38 SIP SIP URI IP IP 3. SIP IP SIP 4. SIP URL SIP URI URI SIP 8. SIP URL IP 9. SIP URL IP 10. IP 11. BS 30
39
40 BS VRaNCo BS 2 LAN 3. BS SIP SIP URI BS IP 4. SIP IP 5. IP 2 SIP LAN BS 1 BS 32
41 4 1.2 LAN 1 BS 2 IP BS LAN LAN 4.2 IP BS IP SIP SIP SIP URI URI 2 IP 2 BS 1 33
42 4.3 2 IP IP 4.3 BS IP 2 BS LAN BS BS 34
43 5 5.1 LAN BS LAN BS BS LAN BS LAN BS BS BS BS VRaNCo VRaNCo SIP URI IP 35
44 HCI
45 37
46 [1] 26 PDF [2] content/ pdf ICT [3] LAN pp [4] LAN (WLAN) [5] 4 ( ) - 3 ( )2 03hen 02.pdf [6] Specification - Panasonic [7] Skype [8] Ustream Asia /Japan : [9] ASCII.jp: LAN [10] cinii.ac.jp: [11] ion Adventure x [12] LAN PlaceEngine Koozyt
47 [13] SIP pp [14] 25 [15] StreamingQos QoS 25 39
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