Presentation on theme: "Doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks."— Presentation transcript:
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Higher Rates for Video] Date Submitted: [20 February 2002] Source: [Mary DuVal] Company [Texas Instruments] Address [6550 Chase Oaks Boulevard, MS 8479, Plano, TX 75023, USA] Voice:[972.575.2330], FAX: [972.575.0989], E-Mail:[firstname.lastname@example.org] Re: [Response to High Rate CFA] Abstract:[ Requirements for High Rate WPAN for Video ] Purpose:[Use as one of the sets of criteria for establishing an alternate PHY for the High Rate WPAN Standard.] 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.
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 2 CFA Response: Higher Rates for Video Mary DuVal
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 4 Bandwidth Needed for Relevant Applications Content TypeSource FormatBW (Mbps) Media Player: DVD, STB, VCR, D-VHS, Game Console MPEG2, I, 4:2:0 (NTSC/PAL) lower quality, DBS/DVD 2 (720x480)MPEG2, I, 4:2:0 (NTSC/PAL) good quality DVD 6.0 MPEG2, P, 4:2:0 (US – standard)19.2 MPEG2, P, 4:2:0 (US - ATSC broadcast)15.0 MPEG2, P, 4:2:0 (Europe)18.6 Home Movies: Camcorders (720x480)DV (NTSC/PAL)25 3D Computer Games: (1024x768)XGA, Non-standard Compression38 (1280x768)SXGA, Non-standard Compression63 Home Network: Video oriented entertainment HDTV Broadcast, High Quality DVD, Internet Data MPEG2, IP Packets31 Multi-media oriented entertainment HDTV Broadcast, Computer Gaming, Internet Data MPEG2, Non-standard compression, IP Packets 63
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 5 Wireless Video Challenges Reduced Data Bandwidth –Compression Trades Image Quality and Bandwidth –Wireless Must Account for Protocol Overhead Maintain High Image Quality With Low Latency –Smaller BER Required Than Typical Wireless Data Link –Image Processing Measures Can Reduce Effective BER, but Increases Protocol Overhead Forward Error Correction Error Resilience Techniques –Minimal Buffering at Receiver Resistance to Interference –Ability of Devices to Coexist Must Be Considered When Using an ISM Band –Radio Robust to Interfering Signals Ease of Use –Automatic Device Discovery –No Keyboard Entry
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 6 End User Requirements User Requirement MeasurementMeasurement Requirement Content TypeData BandwidthVideo: 2 – 25 Mbps 3D Computer Gaming: 38 & 63 Mbps Multi-Media Home Networking: 31 & 63 Mbps Ease of UseDistance10 meters (same room) 30 meters (throughout house) Power ConsumptionPossible on battery operated devices Device DiscoverySimple, Automated Image QualityBit Error Rate10 -9 Quality of ServiceIsochronous capability AffordabilityConsumer Price$300
doc.: IEEE 802.15-02/047r0 Submission Jan 2002 Mary DuVal, Texas InstrumentsSlide 7 Conclusions Bandwidth Needs Continue Grow –Current PHY is Good for a Point-to-Point Solution –Multi-media Oriented Entertainment Network Imminent –Larger Overhead Will Be Needed for Streaming Data to Increase the Quality of the Data Received Link Needs to Be Robust to Interference