1. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Response to SG3c CFA – Wireless Home Video Server ] Date Submitted: [12 July, 2004] Source: [Tadahiko Maeda] Company [Oki Electric Industry Co., Ltd.] Address [10-3, Shibaura, 4-chome, Minato-ku, Tokyo 108-8551, Japan] Voice:[+81-3-3454-2111], E-Mail:[maeda097@oki.com] Re: [Doc. 04/240r2 IEEE P802.15.SG3c Call for Applications] Abstract:[Home video server is a system that transmits HDTV data by mmW in home environments] Purpose:[Use as one of the sets of criteria for establishing the Alternative PHY standard for IEEE 802.15.SG3c] Notice:This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.

2. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 2 Wireless Home Video Server Tadahiko Maeda Oki Electric Industry Co., Ltd.

3. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 3 Background A most promising and heavy application in home server systems is a high quality video service. There are many video sources in home environment. There are many video playing devices in home environment. To avoid copyright problem and reduce load on terminals, uncompressed data transmission is preferable.

4. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 4 Application concept Wireless transmission and relay of high quality video data among any home video devices and networking devices including connection point devices to external networks and broadcast environments.

5. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 5 Sources of video Broadcast –BS, CS, and terrestrial digital broadcast Internet –On-demand or broadcast-type delivery of video through Internet Home server –video data stored in home server or its peripheral equipments Camera –Home digital video cameras

6. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 6 Video playing devices HDTV with tuner –Accept broadcast radio repeated by home server system HDTV without tuner –High quality display PC –Portable versatile device Others –Other portable video devices

7. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 7 Video data Uncompressed HDTV data –HD-SDI: 1.5Gbps –Not require heavy decoders –Keep high quality –Avoid copyright problem BS bandwidth: 300Mbps CS bandwidth: 400Mbps

8. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 8 Application Requirement Data rates Data typeData rate BS300Mbps CS400Mbps Data1.5Gbps Total(Server)2.5Gbps Distance –Up to 10m at any data rates, which can cover an average single room at home

9. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 9 TV Internet HDTV （ Tuner less ） ADSL Modem HDTV （ with Tuner ） 15.3a, etc. IEEE802.15.3c devices Wireless home server mmW ADSL Modem IEEE802.15.3c devices Example of wireless home video server and its wireless links Wireless home server

10. doc.: IEEE 802.15-04/348r0 Submission July, 2004 Tadahiko Maeda, Oki Electric Industry Co,. Ltd.Slide 10 Conclusion First presentation of wireless home video server. Home video servers transmit or relay hi- quality video radio/data among servers and terminals. Servers may communicate among some servers and terminals simultaneously. Data rate required may exceed 2Gpbs.