March 2003 doc IEEE 802 15 03152 r
- Slides: 27
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Project: IEEE P 802. 15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [TG 3 a-Wisair-CFP-Presentation] Date Submitted: [3 March, 2003] Source: [Gadi Shor] Company: [Wisair] Address: [24 Raoul Wallenberg st. Ramat Hachayal, Tel-Aviv, ISRAEL] Voice: [+972 -3 -7676605] FAX: [+972 -3 -6477608], E-Mail: [gadi. shor@wisair. com] Re: [802. 15. 3 a Call for proposal] Abstract: [Wisair’s presentation for the P 802. 15. 3 a PHY standard – Additional Material] Purpose: [Response to WPAN-802. 15. 3 a Call for Proposals] Notice: This document has been prepared to assist the IEEE P 802. 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 P 802. 15. Submission 1 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Wisair’s Variable-Rate Multi-Band PHY layer Proposal for TG 3 a Additional Material Gadi Shor, Yaron Knobel, David Yaish, Sorin Goldenberg, Amir Krause, Erez Wineberger, Rafi Zack, Benny Blumer, Zeev Rubin, David Meshulam, Amir Freund Wisair Submission 2 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Contents • • Physical layer Implementation and Feasibility MAC enhancements Performance Submission 3 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Contents • • Physical layer Implementation and Feasibility MAC enhancements Performance Submission 4 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Contents • • Physical layer Implementation and Feasibility MAC enhancements Performance Submission 5 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (1) • UWB based WPAN system should support a higher bit rate (e. g. 110 Mbps, 200 Mbps) Ø Current MAC Throughput is degraded in high bit rate • Support a bigger packet length Ø Bigger packets may be needed for high data rate applications • Improve throughput Ø For both small and large packet sizes Ø For retransmission mode • Support Multiband channel assignment Ø Decide on usable sub bands Ø Select the time frequency interleaving sequence Submission 6 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (2) PHY SAP Data Throughput Calculation Payload Throughput PHY-SAP = N x Payload_bits / [ T_PA_INITIAL+T_SIFS + (N-1) x (T_PA_CONT+T_MIFS) + N x (Payload_bits/R_Pay+T_MACHDR + T_PHYHDR+T_HCS+T_FCS)] Submission 7 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (3) IEEE 802. 15. 3 PHY-SAP Data Throughput N= 5 Frames T_PA_INITIAL = 15 u. Sec T_PA_CONT = 15 u. Sec Submission MACHDR=10 Octets PHYHDR=2 Octets 8 HCS=2 Octets T_SIFS = 10 u. Sec FCS = 4 Octets T_MIFS = 2 u. Sec Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (4) IEEE 802. 15. 3 PHY-SAP Data Throughput in High Bit Rates N= 5 Frames T_PA_INITIAL = 15 u. Sec T_PA_CONT = 15 u. Sec Submission MACHDR=10 Octets PHYHDR=2 Octets 9 HCS=2 Octets T_SIFS = 10 u. Sec FCS = 4 Octets T_MIFS = 2 u. Sec Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements(5) Proposed MAC Performance PHY-SAP Data Throughput in High Bit Rates N= 5 Frames T_PA_INITIAL = 15 u. Sec T_PA_CONT = 15 u. Sec Submission MACHDR=10 Octets PHYHDR=2 Octets 10 HCS=2 Octets T_SIFS = 10 u. Sec FCS = 4 Octets T_MIFS = 2 u. Sec Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (6) Proposed MAC Frame Structure • Allow larger MAC frame body size (e. g. 4096 Octets Ø Frame body consists of N Sub-frames Ø Sub-frame consists of Data block unit and CRC Ø Data block unit is limited by a maximum number of octets (e. g. 512 octets) Submission 11 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (7) • The proposed UWB PHY structure is based on multi-band UWB system Ø MAC logical channel is mapped to several frequency bands Ø Some bands might be interfered (useless) by other existing systems (I. e IEEE 802. 11 a – 5 GHz) Ø MAC should be able to drive a Bands Quality Assessment (BQA) that determines whether a specific band is usable or not Ø The Piconet Coordinator (PNC) should be able to distribute the usable bands to all its associated devices Submission 12 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (8) • Provide BQA time slot at the Supperframe • Useful information is distributed as Information Element (IE) over PNC Beacon • Beacon will transmitted over the whole frequency bands Submission 13 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 MAC Enhancements (9) Submission 14 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 Contents • • Physical layer Implementation and Feasibility MAC enhancements Performance Submission 15 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 1 channels Submission 16 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 1 (No Shadow) Submission 17 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 1 Statistics Submission 18 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 2 channels Submission 19 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 2 (No Shadow) Submission 20 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 2 Statistics Submission 21 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 3 channels Submission 22 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 3 (No Shadow) Submission 23 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 3 Statistics Submission 24 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 4 channels Submission 25 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 4 (No Shadow) Submission 26 Gadi Shor, Wisair
March 2003 doc. : IEEE 802. 15 -03/152 r 0 125 Mbps CM 4 Statistics Submission 27 Gadi Shor, Wisair
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